obj-$(CONFIG_SBUS) += sbus/
obj-$(CONFIG_ZORRO) += zorro/
obj-$(CONFIG_ATA_OVER_ETH) += block/aoe/
-obj-y += block/paride/
obj-$(CONFIG_TC) += tc/
obj-$(CONFIG_USB_PHY) += usb/
obj-$(CONFIG_USB) += usb/
Read <file:Documentation/admin-guide/blockdev/paride.rst> for more
information.
- Use the old PARIDE protocol modules.
+source "drivers/ata/pata_parport/Kconfig"
comment "Generic fallback / legacy drivers"
obj-$(CONFIG_PATA_PXA) += pata_pxa.o
-obj-$(CONFIG_PATA_PARPORT) += pata_parport.o
+obj-$(CONFIG_PATA_PARPORT) += pata_parport/
# Should be last but two libata driver
obj-$(CONFIG_PATA_ACPI) += pata_acpi.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2023 Ondrej Zary
- * based on paride.c by Grant R. Guenther <grant@torque.net>
- */
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/parport.h>
-#include <linux/pata_parport.h>
-
-#define DRV_NAME "pata_parport"
-
-static DEFINE_IDR(parport_list);
-static DEFINE_IDR(protocols);
-static DEFINE_IDA(pata_parport_bus_dev_ids);
-static DEFINE_MUTEX(pi_mutex);
-
-static bool probe = true;
-module_param(probe, bool, 0644);
-MODULE_PARM_DESC(probe, "Enable automatic device probing (0=off, 1=on [default])");
-
-/*
- * libata drivers cannot sleep so this driver claims parport before activating
- * the ata host and keeps it claimed (and protocol connected) until the ata
- * host is removed. Unfortunately, this means that you cannot use any chained
- * devices (neither other pata_parport devices nor a printer).
- */
-static void pi_connect(struct pi_adapter *pi)
-{
- parport_claim_or_block(pi->pardev);
- pi->proto->connect(pi);
-}
-
-static void pi_disconnect(struct pi_adapter *pi)
-{
- pi->proto->disconnect(pi);
- parport_release(pi->pardev);
-}
-
-static void pata_parport_dev_select(struct ata_port *ap, unsigned int device)
-{
- struct pi_adapter *pi = ap->host->private_data;
- u8 tmp;
-
- if (device == 0)
- tmp = ATA_DEVICE_OBS;
- else
- tmp = ATA_DEVICE_OBS | ATA_DEV1;
-
- pi->proto->write_regr(pi, 0, ATA_REG_DEVICE, tmp);
- ata_sff_pause(ap);
-}
-
-static bool pata_parport_devchk(struct ata_port *ap, unsigned int device)
-{
- struct pi_adapter *pi = ap->host->private_data;
- u8 nsect, lbal;
-
- pata_parport_dev_select(ap, device);
-
- pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 0x55);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0xaa);
-
- pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 0xaa);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0x55);
-
- pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 055);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0xaa);
-
- nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
- lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
-
- return (nsect == 0x55) && (lbal == 0xaa);
-}
-
-static int pata_parport_bus_softreset(struct ata_port *ap, unsigned int devmask,
- unsigned long deadline)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- /* software reset. causes dev0 to be selected */
- pi->proto->write_regr(pi, 1, 6, ap->ctl);
- udelay(20);
- pi->proto->write_regr(pi, 1, 6, ap->ctl | ATA_SRST);
- udelay(20);
- pi->proto->write_regr(pi, 1, 6, ap->ctl);
- ap->last_ctl = ap->ctl;
-
- /* wait the port to become ready */
- return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
-}
-
-static int pata_parport_softreset(struct ata_link *link, unsigned int *classes,
- unsigned long deadline)
-{
- struct ata_port *ap = link->ap;
- unsigned int devmask = 0;
- int rc;
- u8 err;
-
- /* determine if device 0/1 are present */
- if (pata_parport_devchk(ap, 0))
- devmask |= (1 << 0);
- if (pata_parport_devchk(ap, 1))
- devmask |= (1 << 1);
-
- /* select device 0 again */
- pata_parport_dev_select(ap, 0);
-
- /* issue bus reset */
- rc = pata_parport_bus_softreset(ap, devmask, deadline);
- if (rc && rc != -ENODEV) {
- ata_link_err(link, "SRST failed (errno=%d)\n", rc);
- return rc;
- }
-
- /* determine by signature whether we have ATA or ATAPI devices */
- classes[0] = ata_sff_dev_classify(&link->device[0],
- devmask & (1 << 0), &err);
- if (err != 0x81)
- classes[1] = ata_sff_dev_classify(&link->device[1],
- devmask & (1 << 1), &err);
-
- return 0;
-}
-
-static u8 pata_parport_check_status(struct ata_port *ap)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- return pi->proto->read_regr(pi, 0, ATA_REG_STATUS);
-}
-
-static u8 pata_parport_check_altstatus(struct ata_port *ap)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- return pi->proto->read_regr(pi, 1, 6);
-}
-
-static void pata_parport_tf_load(struct ata_port *ap,
- const struct ata_taskfile *tf)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- if (tf->ctl != ap->last_ctl) {
- pi->proto->write_regr(pi, 1, 6, tf->ctl);
- ap->last_ctl = tf->ctl;
- ata_wait_idle(ap);
- }
-
- if (tf->flags & ATA_TFLAG_ISADDR) {
- if (tf->flags & ATA_TFLAG_LBA48) {
- pi->proto->write_regr(pi, 0, ATA_REG_FEATURE,
- tf->hob_feature);
- pi->proto->write_regr(pi, 0, ATA_REG_NSECT,
- tf->hob_nsect);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAL,
- tf->hob_lbal);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAM,
- tf->hob_lbam);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAH,
- tf->hob_lbah);
- }
- pi->proto->write_regr(pi, 0, ATA_REG_FEATURE, tf->feature);
- pi->proto->write_regr(pi, 0, ATA_REG_NSECT, tf->nsect);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAL, tf->lbal);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAM, tf->lbam);
- pi->proto->write_regr(pi, 0, ATA_REG_LBAH, tf->lbah);
- }
-
- if (tf->flags & ATA_TFLAG_DEVICE)
- pi->proto->write_regr(pi, 0, ATA_REG_DEVICE, tf->device);
-
- ata_wait_idle(ap);
-}
-
-static void pata_parport_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- tf->status = pi->proto->read_regr(pi, 0, ATA_REG_STATUS);
- tf->error = pi->proto->read_regr(pi, 0, ATA_REG_ERR);
- tf->nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
- tf->lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
- tf->lbam = pi->proto->read_regr(pi, 0, ATA_REG_LBAM);
- tf->lbah = pi->proto->read_regr(pi, 0, ATA_REG_LBAH);
- tf->device = pi->proto->read_regr(pi, 0, ATA_REG_DEVICE);
-
- if (tf->flags & ATA_TFLAG_LBA48) {
- pi->proto->write_regr(pi, 1, 6, tf->ctl | ATA_HOB);
- tf->hob_feature = pi->proto->read_regr(pi, 0, ATA_REG_ERR);
- tf->hob_nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
- tf->hob_lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
- tf->hob_lbam = pi->proto->read_regr(pi, 0, ATA_REG_LBAM);
- tf->hob_lbah = pi->proto->read_regr(pi, 0, ATA_REG_LBAH);
- pi->proto->write_regr(pi, 1, 6, tf->ctl);
- ap->last_ctl = tf->ctl;
- }
-}
-
-static void pata_parport_exec_command(struct ata_port *ap,
- const struct ata_taskfile *tf)
-{
- struct pi_adapter *pi = ap->host->private_data;
-
- pi->proto->write_regr(pi, 0, ATA_REG_CMD, tf->command);
- ata_sff_pause(ap);
-}
-
-static unsigned int pata_parport_data_xfer(struct ata_queued_cmd *qc,
- unsigned char *buf, unsigned int buflen, int rw)
-{
- struct ata_port *ap = qc->dev->link->ap;
- struct pi_adapter *pi = ap->host->private_data;
-
- if (rw == READ)
- pi->proto->read_block(pi, buf, buflen);
- else
- pi->proto->write_block(pi, buf, buflen);
-
- return buflen;
-}
-
-static void pata_parport_drain_fifo(struct ata_queued_cmd *qc)
-{
- int count;
- struct ata_port *ap;
- struct pi_adapter *pi;
- char junk[2];
-
- /* We only need to flush incoming data when a command was running */
- if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
- return;
-
- ap = qc->ap;
- pi = ap->host->private_data;
- /* Drain up to 64K of data before we give up this recovery method */
- for (count = 0; (pata_parport_check_status(ap) & ATA_DRQ)
- && count < 65536; count += 2) {
- pi->proto->read_block(pi, junk, 2);
- }
-
- if (count)
- ata_port_dbg(ap, "drained %d bytes to clear DRQ\n", count);
-}
-
-static struct ata_port_operations pata_parport_port_ops = {
- .inherits = &ata_sff_port_ops,
-
- .softreset = pata_parport_softreset,
- .hardreset = NULL,
-
- .sff_dev_select = pata_parport_dev_select,
- .sff_check_status = pata_parport_check_status,
- .sff_check_altstatus = pata_parport_check_altstatus,
- .sff_tf_load = pata_parport_tf_load,
- .sff_tf_read = pata_parport_tf_read,
- .sff_exec_command = pata_parport_exec_command,
- .sff_data_xfer = pata_parport_data_xfer,
- .sff_drain_fifo = pata_parport_drain_fifo,
-};
-
-static const struct ata_port_info pata_parport_port_info = {
- .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING,
- .pio_mask = ATA_PIO0,
- /* No DMA */
- .port_ops = &pata_parport_port_ops,
-};
-
-static void pi_release(struct pi_adapter *pi)
-{
- parport_unregister_device(pi->pardev);
- if (pi->proto->release_proto)
- pi->proto->release_proto(pi);
- module_put(pi->proto->owner);
-}
-
-static int default_test_proto(struct pi_adapter *pi, char *scratch)
-{
- int j, k;
- int e[2] = { 0, 0 };
-
- pi->proto->connect(pi);
-
- for (j = 0; j < 2; j++) {
- pi->proto->write_regr(pi, 0, 6, 0xa0 + j * 0x10);
- for (k = 0; k < 256; k++) {
- pi->proto->write_regr(pi, 0, 2, k ^ 0xaa);
- pi->proto->write_regr(pi, 0, 3, k ^ 0x55);
- if (pi->proto->read_regr(pi, 0, 2) != (k ^ 0xaa))
- e[j]++;
- }
- }
- pi->proto->disconnect(pi);
-
- dev_dbg(&pi->dev, "%s: port 0x%x, mode %d, test=(%d,%d)\n",
- pi->proto->name, pi->port, pi->mode, e[0], e[1]);
-
- return e[0] && e[1]; /* not here if both > 0 */
-}
-
-static int pi_test_proto(struct pi_adapter *pi, char *scratch)
-{
- int res;
-
- parport_claim_or_block(pi->pardev);
- if (pi->proto->test_proto)
- res = pi->proto->test_proto(pi, scratch, 1);
- else
- res = default_test_proto(pi, scratch);
- parport_release(pi->pardev);
-
- return res;
-}
-
-static bool pi_probe_mode(struct pi_adapter *pi, int max, char *scratch)
-{
- int best, range;
-
- if (pi->mode != -1) {
- if (pi->mode >= max)
- return false;
- range = 3;
- if (pi->mode >= pi->proto->epp_first)
- range = 8;
- if (range == 8 && pi->port % 8)
- return false;
- return !pi_test_proto(pi, scratch);
- }
- best = -1;
- for (pi->mode = 0; pi->mode < max; pi->mode++) {
- range = 3;
- if (pi->mode >= pi->proto->epp_first)
- range = 8;
- if (range == 8 && pi->port % 8)
- break;
- if (!pi_test_proto(pi, scratch))
- best = pi->mode;
- }
- pi->mode = best;
- return best > -1;
-}
-
-static bool pi_probe_unit(struct pi_adapter *pi, int unit, char *scratch)
-{
- int max, s, e;
-
- s = unit;
- e = s + 1;
-
- if (s == -1) {
- s = 0;
- e = pi->proto->max_units;
- }
-
- if (pi->proto->test_port) {
- parport_claim_or_block(pi->pardev);
- max = pi->proto->test_port(pi);
- parport_release(pi->pardev);
- } else {
- max = pi->proto->max_mode;
- }
-
- if (pi->proto->probe_unit) {
- parport_claim_or_block(pi->pardev);
- for (pi->unit = s; pi->unit < e; pi->unit++) {
- if (pi->proto->probe_unit(pi)) {
- parport_release(pi->pardev);
- return pi_probe_mode(pi, max, scratch);
- }
- }
- parport_release(pi->pardev);
- return false;
- }
-
- return pi_probe_mode(pi, max, scratch);
-}
-
-static void pata_parport_dev_release(struct device *dev)
-{
- struct pi_adapter *pi = container_of(dev, struct pi_adapter, dev);
-
- kfree(pi);
-}
-
-static void pata_parport_bus_release(struct device *dev)
-{
- /* nothing to do here but required to avoid warning on device removal */
-}
-
-static struct bus_type pata_parport_bus_type = {
- .name = DRV_NAME,
-};
-
-static struct device pata_parport_bus = {
- .init_name = DRV_NAME,
- .release = pata_parport_bus_release,
-};
-
-static struct scsi_host_template pata_parport_sht = {
- PATA_PARPORT_SHT("pata_parport")
-};
-
-struct pi_device_match {
- struct parport *parport;
- struct pi_protocol *proto;
-};
-
-static int pi_find_dev(struct device *dev, void *data)
-{
- struct pi_adapter *pi = container_of(dev, struct pi_adapter, dev);
- struct pi_device_match *match = data;
-
- return pi->pardev->port == match->parport && pi->proto == match->proto;
-}
-
-static struct pi_adapter *pi_init_one(struct parport *parport,
- struct pi_protocol *pr, int mode, int unit, int delay)
-{
- struct pardev_cb par_cb = { };
- char scratch[512];
- const struct ata_port_info *ppi[] = { &pata_parport_port_info };
- struct ata_host *host;
- struct pi_adapter *pi;
- struct pi_device_match match = { .parport = parport, .proto = pr };
-
- /*
- * Abort if there's a device already registered on the same parport
- * using the same protocol.
- */
- if (bus_for_each_dev(&pata_parport_bus_type, NULL, &match, pi_find_dev))
- return NULL;
-
- pi = kzalloc(sizeof(struct pi_adapter), GFP_KERNEL);
- if (!pi)
- return NULL;
-
- /* set up pi->dev before pi_probe_unit() so it can use dev_printk() */
- pi->dev.parent = &pata_parport_bus;
- pi->dev.bus = &pata_parport_bus_type;
- pi->dev.driver = &pr->driver;
- pi->dev.release = pata_parport_dev_release;
- pi->dev.id = ida_alloc(&pata_parport_bus_dev_ids, GFP_KERNEL);
- if (pi->dev.id < 0)
- return NULL; /* pata_parport_dev_release will do kfree(pi) */
- dev_set_name(&pi->dev, "pata_parport.%u", pi->dev.id);
- if (device_register(&pi->dev)) {
- put_device(&pi->dev);
- goto out_ida_free;
- }
-
- pi->proto = pr;
-
- if (!try_module_get(pi->proto->owner))
- goto out_unreg_dev;
- if (pi->proto->init_proto && pi->proto->init_proto(pi) < 0)
- goto out_module_put;
-
- pi->delay = (delay == -1) ? pi->proto->default_delay : delay;
- pi->mode = mode;
- pi->port = parport->base;
-
- par_cb.private = pi;
- pi->pardev = parport_register_dev_model(parport, DRV_NAME, &par_cb,
- pi->dev.id);
- if (!pi->pardev)
- goto out_module_put;
-
- if (!pi_probe_unit(pi, unit, scratch)) {
- dev_info(&pi->dev, "Adapter not found\n");
- goto out_unreg_parport;
- }
-
- pi->proto->log_adapter(pi, scratch, 1);
-
- host = ata_host_alloc_pinfo(&pi->pardev->dev, ppi, 1);
- if (!host)
- goto out_unreg_parport;
- dev_set_drvdata(&pi->dev, host);
- host->private_data = pi;
-
- ata_port_desc(host->ports[0], "port %s", pi->pardev->port->name);
- ata_port_desc(host->ports[0], "protocol %s", pi->proto->name);
-
- pi_connect(pi);
- if (ata_host_activate(host, 0, NULL, 0, &pata_parport_sht))
- goto out_unreg_parport;
-
- return pi;
-
-out_unreg_parport:
- pi_disconnect(pi);
- parport_unregister_device(pi->pardev);
- if (pi->proto->release_proto)
- pi->proto->release_proto(pi);
-out_module_put:
- module_put(pi->proto->owner);
-out_unreg_dev:
- device_unregister(&pi->dev);
-out_ida_free:
- ida_free(&pata_parport_bus_dev_ids, pi->dev.id);
- return NULL;
-}
-
-int pata_parport_register_driver(struct pi_protocol *pr)
-{
- int error;
- struct parport *parport;
- int port_num;
-
- pr->driver.bus = &pata_parport_bus_type;
- pr->driver.name = pr->name;
- error = driver_register(&pr->driver);
- if (error)
- return error;
-
- mutex_lock(&pi_mutex);
- error = idr_alloc(&protocols, pr, 0, 0, GFP_KERNEL);
- if (error < 0) {
- driver_unregister(&pr->driver);
- mutex_unlock(&pi_mutex);
- return error;
- }
-
- pr_info("pata_parport: protocol %s registered\n", pr->name);
-
- if (probe) {
- /* probe all parports using this protocol */
- idr_for_each_entry(&parport_list, parport, port_num)
- pi_init_one(parport, pr, -1, 0, -1);
- }
- mutex_unlock(&pi_mutex);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(pata_parport_register_driver);
-
-void pata_parport_unregister_driver(struct pi_protocol *pr)
-{
- struct pi_protocol *pr_iter;
- int id = -1;
-
- mutex_lock(&pi_mutex);
- idr_for_each_entry(&protocols, pr_iter, id) {
- if (pr_iter == pr)
- break;
- }
- idr_remove(&protocols, id);
- mutex_unlock(&pi_mutex);
- driver_unregister(&pr->driver);
-}
-EXPORT_SYMBOL_GPL(pata_parport_unregister_driver);
-
-static ssize_t new_device_store(struct bus_type *bus, const char *buf,
- size_t count)
-{
- char port[12] = "auto";
- char protocol[8] = "auto";
- int mode = -1, unit = -1, delay = -1;
- struct pi_protocol *pr, *pr_wanted;
- struct device_driver *drv;
- struct parport *parport;
- int port_num, port_wanted, pr_num;
- bool ok = false;
-
- if (sscanf(buf, "%11s %7s %d %d %d",
- port, protocol, &mode, &unit, &delay) < 1)
- return -EINVAL;
-
- if (sscanf(port, "parport%u", &port_wanted) < 1) {
- if (strcmp(port, "auto")) {
- pr_err("invalid port name %s\n", port);
- return -EINVAL;
- }
- port_wanted = -1;
- }
-
- drv = driver_find(protocol, &pata_parport_bus_type);
- if (!drv) {
- if (strcmp(protocol, "auto")) {
- pr_err("protocol %s not found\n", protocol);
- return -EINVAL;
- }
- pr_wanted = NULL;
- } else {
- pr_wanted = container_of(drv, struct pi_protocol, driver);
- }
-
- mutex_lock(&pi_mutex);
- /* walk all parports */
- idr_for_each_entry(&parport_list, parport, port_num) {
- if (port_num == port_wanted || port_wanted == -1) {
- parport = parport_find_number(port_num);
- if (!parport) {
- pr_err("no such port %s\n", port);
- mutex_unlock(&pi_mutex);
- return -ENODEV;
- }
- /* walk all protocols */
- idr_for_each_entry(&protocols, pr, pr_num) {
- if (pr == pr_wanted || !pr_wanted)
- if (pi_init_one(parport, pr, mode, unit,
- delay))
- ok = true;
- }
- parport_put_port(parport);
- }
- }
- mutex_unlock(&pi_mutex);
- if (!ok)
- return -ENODEV;
-
- return count;
-}
-static BUS_ATTR_WO(new_device);
-
-static void pi_remove_one(struct device *dev)
-{
- struct ata_host *host = dev_get_drvdata(dev);
- struct pi_adapter *pi = host->private_data;
-
- ata_host_detach(host);
- pi_disconnect(pi);
- pi_release(pi);
- device_unregister(dev);
- ida_free(&pata_parport_bus_dev_ids, dev->id);
- /* pata_parport_dev_release will do kfree(pi) */
-}
-
-static ssize_t delete_device_store(struct bus_type *bus, const char *buf,
- size_t count)
-{
- struct device *dev;
-
- mutex_lock(&pi_mutex);
- dev = bus_find_device_by_name(bus, NULL, buf);
- if (!dev) {
- mutex_unlock(&pi_mutex);
- return -ENODEV;
- }
-
- pi_remove_one(dev);
- mutex_unlock(&pi_mutex);
-
- return count;
-}
-static BUS_ATTR_WO(delete_device);
-
-static void pata_parport_attach(struct parport *port)
-{
- struct pi_protocol *pr;
- int pr_num, id;
-
- mutex_lock(&pi_mutex);
- id = idr_alloc(&parport_list, port, port->number, port->number,
- GFP_KERNEL);
- if (id < 0) {
- mutex_unlock(&pi_mutex);
- return;
- }
-
- if (probe) {
- /* probe this port using all protocols */
- idr_for_each_entry(&protocols, pr, pr_num)
- pi_init_one(port, pr, -1, 0, -1);
- }
- mutex_unlock(&pi_mutex);
-}
-
-static int pi_remove_port(struct device *dev, void *p)
-{
- struct ata_host *host = dev_get_drvdata(dev);
- struct pi_adapter *pi = host->private_data;
-
- if (pi->pardev->port == p)
- pi_remove_one(dev);
-
- return 0;
-}
-
-static void pata_parport_detach(struct parport *port)
-{
- mutex_lock(&pi_mutex);
- bus_for_each_dev(&pata_parport_bus_type, NULL, port, pi_remove_port);
- idr_remove(&parport_list, port->number);
- mutex_unlock(&pi_mutex);
-}
-
-static struct parport_driver pata_parport_driver = {
- .name = DRV_NAME,
- .match_port = pata_parport_attach,
- .detach = pata_parport_detach,
- .devmodel = true,
-};
-
-static __init int pata_parport_init(void)
-{
- int error;
-
- error = bus_register(&pata_parport_bus_type);
- if (error) {
- pr_err("failed to register pata_parport bus, error: %d\n", error);
- return error;
- }
-
- error = device_register(&pata_parport_bus);
- if (error) {
- pr_err("failed to register pata_parport bus, error: %d\n", error);
- goto out_unregister_bus;
- }
-
- error = bus_create_file(&pata_parport_bus_type, &bus_attr_new_device);
- if (error) {
- pr_err("unable to create sysfs file, error: %d\n", error);
- goto out_unregister_dev;
- }
-
- error = bus_create_file(&pata_parport_bus_type, &bus_attr_delete_device);
- if (error) {
- pr_err("unable to create sysfs file, error: %d\n", error);
- goto out_remove_new;
- }
-
- error = parport_register_driver(&pata_parport_driver);
- if (error) {
- pr_err("unable to register parport driver, error: %d\n", error);
- goto out_remove_del;
- }
-
- return 0;
-
-out_remove_del:
- bus_remove_file(&pata_parport_bus_type, &bus_attr_delete_device);
-out_remove_new:
- bus_remove_file(&pata_parport_bus_type, &bus_attr_new_device);
-out_unregister_dev:
- device_unregister(&pata_parport_bus);
-out_unregister_bus:
- bus_unregister(&pata_parport_bus_type);
- return error;
-}
-
-static __exit void pata_parport_exit(void)
-{
- parport_unregister_driver(&pata_parport_driver);
- bus_remove_file(&pata_parport_bus_type, &bus_attr_new_device);
- bus_remove_file(&pata_parport_bus_type, &bus_attr_delete_device);
- device_unregister(&pata_parport_bus);
- bus_unregister(&pata_parport_bus_type);
-}
-
-MODULE_AUTHOR("Ondrej Zary");
-MODULE_DESCRIPTION("driver for parallel port ATA adapters");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("paride");
-
-module_init(pata_parport_init);
-module_exit(pata_parport_exit);
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+
+comment "Parallel IDE protocol modules"
+ depends on PATA_PARPORT
+
+config PATA_PARPORT_ATEN
+ tristate "ATEN EH-100 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the ATEN EH-100 parallel port IDE
+ protocol. This protocol is used in some inexpensive low performance
+ parallel port kits made in Hong Kong.
+
+config PATA_PARPORT_BPCK
+ tristate "MicroSolutions backpack (Series 5) protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the Micro Solutions BACKPACK
+ parallel port Series 5 IDE protocol. (Most BACKPACK drives made
+ before 1999 were Series 5) Series 5 drives will NOT always have the
+ Series noted on the bottom of the drive. Series 6 drivers will.
+
+ In other words, if your BACKPACK drive doesn't say "Series 6" on the
+ bottom, enable this option.
+
+config PATA_PARPORT_BPCK6
+ tristate "MicroSolutions backpack (Series 6) protocol"
+ depends on (PATA_PARPORT) && !64BIT
+ help
+ This option enables support for the Micro Solutions BACKPACK
+ parallel port Series 6 IDE protocol. (Most BACKPACK drives made
+ after 1999 were Series 6) Series 6 drives will have the Series noted
+ on the bottom of the drive. Series 5 drivers don't always have it
+ noted.
+
+ In other words, if your BACKPACK drive says "Series 6" on the
+ bottom, enable this option.
+
+config PATA_PARPORT_COMM
+ tristate "DataStor Commuter protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the Commuter parallel port IDE
+ protocol from DataStor.
+
+config PATA_PARPORT_DSTR
+ tristate "DataStor EP-2000 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the EP-2000 parallel port IDE
+ protocol from DataStor
+
+config PATA_PARPORT_FIT2
+ tristate "FIT TD-2000 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the TD-2000 parallel port IDE
+ protocol from Fidelity International Technology. This is a simple
+ (low speed) adapter that is used in some portable hard drives.
+
+config PATA_PARPORT_FIT3
+ tristate "FIT TD-3000 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the TD-3000 parallel port IDE
+ protocol from Fidelity International Technology. This protocol is
+ used in newer models of their portable disk, CD-ROM and PD/CD
+ devices.
+
+config PATA_PARPORT_EPAT
+ tristate "Shuttle EPAT/EPEZ protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the EPAT parallel port IDE protocol.
+ EPAT is a parallel port IDE adapter manufactured by Shuttle
+ Technology and widely used in devices from major vendors such as
+ Hewlett-Packard, SyQuest, Imation and Avatar.
+
+config PATA_PARPORT_EPATC8
+ bool "Support c7/c8 chips"
+ depends on PATA_PARPORT_EPAT
+ help
+ This option enables support for the newer Shuttle EP1284 (aka c7 and
+ c8) chip. You need this if you are using any recent Imation SuperDisk
+ (LS-120) drive.
+
+config PATA_PARPORT_EPIA
+ tristate "Shuttle EPIA protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the (obsolete) EPIA parallel port
+ IDE protocol from Shuttle Technology. This adapter can still be
+ found in some no-name kits.
+
+config PATA_PARPORT_FRIQ
+ tristate "Freecom IQ ASIC-2 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for version 2 of the Freecom IQ parallel
+ port IDE adapter. This adapter is used by the Maxell Superdisk
+ drive.
+
+config PATA_PARPORT_FRPW
+ tristate "FreeCom power protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the Freecom power parallel port IDE
+ protocol.
+
+config PATA_PARPORT_KBIC
+ tristate "KingByte KBIC-951A/971A protocols"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the KBIC-951A and KBIC-971A parallel
+ port IDE protocols from KingByte Information Corp. KingByte's
+ adapters appear in many no-name portable disk and CD-ROM products,
+ especially in Europe.
+
+config PATA_PARPORT_KTTI
+ tristate "KT PHd protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the "PHd" parallel port IDE protocol
+ from KT Technology. This is a simple (low speed) adapter that is
+ used in some 2.5" portable hard drives.
+
+config PATA_PARPORT_ON20
+ tristate "OnSpec 90c20 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the (obsolete) 90c20 parallel port
+ IDE protocol from OnSpec (often marketed under the ValuStore brand
+ name).
+
+config PATA_PARPORT_ON26
+ tristate "OnSpec 90c26 protocol"
+ depends on PATA_PARPORT
+ help
+ This option enables support for the 90c26 parallel port IDE protocol
+ from OnSpec Electronics (often marketed under the ValuStore brand
+ name).
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_PATA_PARPORT) += pata_parport.o
+
+obj-$(CONFIG_PATA_PARPORT_ATEN) += aten.o
+obj-$(CONFIG_PATA_PARPORT_BPCK) += bpck.o
+obj-$(CONFIG_PATA_PARPORT_COMM) += comm.o
+obj-$(CONFIG_PATA_PARPORT_DSTR) += dstr.o
+obj-$(CONFIG_PATA_PARPORT_KBIC) += kbic.o
+obj-$(CONFIG_PATA_PARPORT_EPAT) += epat.o
+obj-$(CONFIG_PATA_PARPORT_EPIA) += epia.o
+obj-$(CONFIG_PATA_PARPORT_FRPW) += frpw.o
+obj-$(CONFIG_PATA_PARPORT_FRIQ) += friq.o
+obj-$(CONFIG_PATA_PARPORT_FIT2) += fit2.o
+obj-$(CONFIG_PATA_PARPORT_FIT3) += fit3.o
+obj-$(CONFIG_PATA_PARPORT_ON20) += on20.o
+obj-$(CONFIG_PATA_PARPORT_ON26) += on26.o
+obj-$(CONFIG_PATA_PARPORT_KTTI) += ktti.o
+obj-$(CONFIG_PATA_PARPORT_BPCK6) += bpck6.o
--- /dev/null
+/*
+ aten.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ aten.c is a low-level protocol driver for the ATEN EH-100
+ parallel port adapter. The EH-100 supports 4-bit and 8-bit
+ modes only. There is also an EH-132 which supports EPP mode
+ transfers. The EH-132 is not yet supported.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.05 init_proto, release_proto
+
+*/
+
+#define ATEN_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/types.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define j44(a,b) ((((a>>4)&0x0f)|(b&0xf0))^0x88)
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x08, 0x20 };
+
+static void aten_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ r = regr + cont_map[cont] + 0x80;
+
+ w0(r); w2(0xe); w2(6); w0(val); w2(7); w2(6); w2(0xc);
+}
+
+static int aten_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ r = regr + cont_map[cont] + 0x40;
+
+ switch (pi->mode) {
+
+ case 0: w0(r); w2(0xe); w2(6);
+ w2(7); w2(6); w2(0);
+ a = r1(); w0(0x10); b = r1(); w2(0xc);
+ return j44(a,b);
+
+ case 1: r |= 0x10;
+ w0(r); w2(0xe); w2(6); w0(0xff);
+ w2(0x27); w2(0x26); w2(0x20);
+ a = r0();
+ w2(0x26); w2(0xc);
+ return a;
+ }
+ return -1;
+}
+
+static void aten_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b, c, d;
+
+ switch (pi->mode) {
+
+ case 0: w0(0x48); w2(0xe); w2(6);
+ for (k=0;k<count/2;k++) {
+ w2(7); w2(6); w2(2);
+ a = r1(); w0(0x58); b = r1();
+ w2(0); d = r1(); w0(0x48); c = r1();
+ buf[2*k] = j44(c,d);
+ buf[2*k+1] = j44(a,b);
+ }
+ w2(0xc);
+ break;
+
+ case 1: w0(0x58); w2(0xe); w2(6);
+ for (k=0;k<count/2;k++) {
+ w2(0x27); w2(0x26); w2(0x22);
+ a = r0(); w2(0x20); b = r0();
+ buf[2*k] = b; buf[2*k+1] = a;
+ }
+ w2(0x26); w2(0xc);
+ break;
+ }
+}
+
+static void aten_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ w0(0x88); w2(0xe); w2(6);
+ for (k=0;k<count/2;k++) {
+ w0(buf[2*k+1]); w2(0xe); w2(6);
+ w0(buf[2*k]); w2(7); w2(6);
+ }
+ w2(0xc);
+}
+
+static void aten_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(0xc);
+}
+
+static void aten_disconnect ( PIA *pi )
+
+{ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void aten_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[2] = {"4-bit","8-bit"};
+
+ printk("%s: aten %s, ATEN EH-100 at 0x%x, ",
+ pi->device,ATEN_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol aten = {
+ .owner = THIS_MODULE,
+ .name = "aten",
+ .max_mode = 2,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = aten_write_regr,
+ .read_regr = aten_read_regr,
+ .write_block = aten_write_block,
+ .read_block = aten_read_block,
+ .connect = aten_connect,
+ .disconnect = aten_disconnect,
+ .log_adapter = aten_log_adapter,
+};
+
+static int __init aten_init(void)
+{
+ return paride_register(&aten);
+}
+
+static void __exit aten_exit(void)
+{
+ paride_unregister( &aten );
+}
+
+MODULE_LICENSE("GPL");
+module_init(aten_init)
+module_exit(aten_exit)
--- /dev/null
+/*
+ bpck.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ bpck.c is a low-level protocol driver for the MicroSolutions
+ "backpack" parallel port IDE adapter.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.05 init_proto, release_proto, pi->delay
+ 1.02 GRG 1998.08.15 default pi->delay returned to 4
+
+*/
+
+#define BPCK_VERSION "1.02"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#undef r2
+#undef w2
+#undef PC
+
+#define PC pi->private
+#define r2() (PC=(in_p(2) & 0xff))
+#define w2(byte) {out_p(2,byte); PC = byte;}
+#define t2(pat) {PC ^= pat; out_p(2,PC);}
+#define e2() {PC &= 0xfe; out_p(2,PC);}
+#define o2() {PC |= 1; out_p(2,PC);}
+
+#define j44(l,h) (((l>>3)&0x7)|((l>>4)&0x8)|((h<<1)&0x70)|(h&0x80))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+ cont = 2 - use internal bpck register addressing
+*/
+
+static int cont_map[3] = { 0x40, 0x48, 0 };
+
+static int bpck_read_regr( PIA *pi, int cont, int regr )
+
+{ int r, l, h;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0: w0(r & 0xf); w0(r); t2(2); t2(4);
+ l = r1();
+ t2(4);
+ h = r1();
+ return j44(l,h);
+
+ case 1: w0(r & 0xf); w0(r); t2(2);
+ e2(); t2(0x20);
+ t2(4); h = r0();
+ t2(1); t2(0x20);
+ return h;
+
+ case 2:
+ case 3:
+ case 4: w0(r); w2(9); w2(0); w2(0x20);
+ h = r4();
+ w2(0);
+ return h;
+
+ }
+ return -1;
+}
+
+static void bpck_write_regr( PIA *pi, int cont, int regr, int val )
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(r);
+ t2(2);
+ w0(val);
+ o2(); t2(4); t2(1);
+ break;
+
+ case 2:
+ case 3:
+ case 4: w0(r); w2(9); w2(0);
+ w0(val); w2(1); w2(3); w2(0);
+ break;
+
+ }
+}
+
+/* These macros access the bpck registers in native addressing */
+
+#define WR(r,v) bpck_write_regr(pi,2,r,v)
+#define RR(r) (bpck_read_regr(pi,2,r))
+
+static void bpck_write_block( PIA *pi, char * buf, int count )
+
+{ int i;
+
+ switch (pi->mode) {
+
+ case 0: WR(4,0x40);
+ w0(0x40); t2(2); t2(1);
+ for (i=0;i<count;i++) { w0(buf[i]); t2(4); }
+ WR(4,0);
+ break;
+
+ case 1: WR(4,0x50);
+ w0(0x40); t2(2); t2(1);
+ for (i=0;i<count;i++) { w0(buf[i]); t2(4); }
+ WR(4,0x10);
+ break;
+
+ case 2: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(1);
+ for (i=0;i<count;i++) w4(buf[i]);
+ w2(0);
+ WR(4,8);
+ break;
+
+ case 3: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(1);
+ for (i=0;i<count/2;i++) w4w(((u16 *)buf)[i]);
+ w2(0);
+ WR(4,8);
+ break;
+
+ case 4: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(1);
+ for (i=0;i<count/4;i++) w4l(((u32 *)buf)[i]);
+ w2(0);
+ WR(4,8);
+ break;
+ }
+}
+
+static void bpck_read_block( PIA *pi, char * buf, int count )
+
+{ int i, l, h;
+
+ switch (pi->mode) {
+
+ case 0: WR(4,0x40);
+ w0(0x40); t2(2);
+ for (i=0;i<count;i++) {
+ t2(4); l = r1();
+ t2(4); h = r1();
+ buf[i] = j44(l,h);
+ }
+ WR(4,0);
+ break;
+
+ case 1: WR(4,0x50);
+ w0(0x40); t2(2); t2(0x20);
+ for(i=0;i<count;i++) { t2(4); buf[i] = r0(); }
+ t2(1); t2(0x20);
+ WR(4,0x10);
+ break;
+
+ case 2: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(0x20);
+ for (i=0;i<count;i++) buf[i] = r4();
+ w2(0);
+ WR(4,8);
+ break;
+
+ case 3: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(0x20);
+ for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
+ w2(0);
+ WR(4,8);
+ break;
+
+ case 4: WR(4,0x48);
+ w0(0x40); w2(9); w2(0); w2(0x20);
+ for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
+ w2(0);
+ WR(4,8);
+ break;
+
+ }
+}
+
+static int bpck_probe_unit ( PIA *pi )
+
+{ int o1, o0, f7, id;
+ int t, s;
+
+ id = pi->unit;
+ s = 0;
+ w2(4); w2(0xe); r2(); t2(2);
+ o1 = r1()&0xf8;
+ o0 = r0();
+ w0(255-id); w2(4); w0(id);
+ t2(8); t2(8); t2(8);
+ t2(2); t = r1()&0xf8;
+ f7 = ((id % 8) == 7);
+ if ((f7) || (t != o1)) { t2(2); s = r1()&0xf8; }
+ if ((t == o1) && ((!f7) || (s == o1))) {
+ w2(0x4c); w0(o0);
+ return 0;
+ }
+ t2(8); w0(0); t2(2); w2(0x4c); w0(o0);
+ return 1;
+}
+
+static void bpck_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ w0(0xff-pi->unit); w2(4); w0(pi->unit);
+ t2(8); t2(8); t2(8);
+ t2(2); t2(2);
+
+ switch (pi->mode) {
+
+ case 0: t2(8); WR(4,0);
+ break;
+
+ case 1: t2(8); WR(4,0x10);
+ break;
+
+ case 2:
+ case 3:
+ case 4: w2(0); WR(4,8);
+ break;
+
+ }
+
+ WR(5,8);
+
+ if (pi->devtype == PI_PCD) {
+ WR(0x46,0x10); /* fiddle with ESS logic ??? */
+ WR(0x4c,0x38);
+ WR(0x4d,0x88);
+ WR(0x46,0xa0);
+ WR(0x41,0);
+ WR(0x4e,8);
+ }
+}
+
+static void bpck_disconnect ( PIA *pi )
+
+{ w0(0);
+ if (pi->mode >= 2) { w2(9); w2(0); } else t2(2);
+ w2(0x4c); w0(pi->saved_r0);
+}
+
+static void bpck_force_spp ( PIA *pi )
+
+/* This fakes the EPP protocol to turn off EPP ... */
+
+{ pi->saved_r0 = r0();
+ w0(0xff-pi->unit); w2(4); w0(pi->unit);
+ t2(8); t2(8); t2(8);
+ t2(2); t2(2);
+
+ w2(0);
+ w0(4); w2(9); w2(0);
+ w0(0); w2(1); w2(3); w2(0);
+ w0(0); w2(9); w2(0);
+ w2(0x4c); w0(pi->saved_r0);
+}
+
+#define TEST_LEN 16
+
+static int bpck_test_proto( PIA *pi, char * scratch, int verbose )
+
+{ int i, e, l, h, om;
+ char buf[TEST_LEN];
+
+ bpck_force_spp(pi);
+
+ switch (pi->mode) {
+
+ case 0: bpck_connect(pi);
+ WR(0x13,0x7f);
+ w0(0x13); t2(2);
+ for(i=0;i<TEST_LEN;i++) {
+ t2(4); l = r1();
+ t2(4); h = r1();
+ buf[i] = j44(l,h);
+ }
+ bpck_disconnect(pi);
+ break;
+
+ case 1: bpck_connect(pi);
+ WR(0x13,0x7f);
+ w0(0x13); t2(2); t2(0x20);
+ for(i=0;i<TEST_LEN;i++) { t2(4); buf[i] = r0(); }
+ t2(1); t2(0x20);
+ bpck_disconnect(pi);
+ break;
+
+ case 2:
+ case 3:
+ case 4: om = pi->mode;
+ pi->mode = 0;
+ bpck_connect(pi);
+ WR(7,3);
+ WR(4,8);
+ bpck_disconnect(pi);
+
+ pi->mode = om;
+ bpck_connect(pi);
+ w0(0x13); w2(9); w2(1); w0(0); w2(3); w2(0); w2(0xe0);
+
+ switch (pi->mode) {
+ case 2: for (i=0;i<TEST_LEN;i++) buf[i] = r4();
+ break;
+ case 3: for (i=0;i<TEST_LEN/2;i++) ((u16 *)buf)[i] = r4w();
+ break;
+ case 4: for (i=0;i<TEST_LEN/4;i++) ((u32 *)buf)[i] = r4l();
+ break;
+ }
+
+ w2(0);
+ WR(7,0);
+ bpck_disconnect(pi);
+
+ break;
+
+ }
+
+ if (verbose) {
+ printk("%s: bpck: 0x%x unit %d mode %d: ",
+ pi->device,pi->port,pi->unit,pi->mode);
+ for (i=0;i<TEST_LEN;i++) printk("%3d",buf[i]);
+ printk("\n");
+ }
+
+ e = 0;
+ for (i=0;i<TEST_LEN;i++) if (buf[i] != (i+1)) e++;
+ return e;
+}
+
+static void bpck_read_eeprom ( PIA *pi, char * buf )
+
+{ int i, j, k, p, v, f, om, od;
+
+ bpck_force_spp(pi);
+
+ om = pi->mode; od = pi->delay;
+ pi->mode = 0; pi->delay = 6;
+
+ bpck_connect(pi);
+
+ WR(4,0);
+ for (i=0;i<64;i++) {
+ WR(6,8);
+ WR(6,0xc);
+ p = 0x100;
+ for (k=0;k<9;k++) {
+ f = (((i + 0x180) & p) != 0) * 2;
+ WR(6,f+0xc);
+ WR(6,f+0xd);
+ WR(6,f+0xc);
+ p = (p >> 1);
+ }
+ for (j=0;j<2;j++) {
+ v = 0;
+ for (k=0;k<8;k++) {
+ WR(6,0xc);
+ WR(6,0xd);
+ WR(6,0xc);
+ f = RR(0);
+ v = 2*v + (f == 0x84);
+ }
+ buf[2*i+1-j] = v;
+ }
+ }
+ WR(6,8);
+ WR(6,0);
+ WR(5,8);
+
+ bpck_disconnect(pi);
+
+ if (om >= 2) {
+ bpck_connect(pi);
+ WR(7,3);
+ WR(4,8);
+ bpck_disconnect(pi);
+ }
+
+ pi->mode = om; pi->delay = od;
+}
+
+static int bpck_test_port ( PIA *pi ) /* check for 8-bit port */
+
+{ int i, r, m;
+
+ w2(0x2c); i = r0(); w0(255-i); r = r0(); w0(i);
+ m = -1;
+ if (r == i) m = 2;
+ if (r == (255-i)) m = 0;
+
+ w2(0xc); i = r0(); w0(255-i); r = r0(); w0(i);
+ if (r != (255-i)) m = -1;
+
+ if (m == 0) { w2(6); w2(0xc); r = r0(); w0(0xaa); w0(r); w0(0xaa); }
+ if (m == 2) { w2(0x26); w2(0xc); }
+
+ if (m == -1) return 0;
+ return 5;
+}
+
+static void bpck_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[5] = { "4-bit","8-bit","EPP-8",
+ "EPP-16","EPP-32" };
+
+#ifdef DUMP_EEPROM
+ int i;
+#endif
+
+ bpck_read_eeprom(pi,scratch);
+
+#ifdef DUMP_EEPROM
+ if (verbose) {
+ for(i=0;i<128;i++)
+ if ((scratch[i] < ' ') || (scratch[i] > '~'))
+ scratch[i] = '.';
+ printk("%s: bpck EEPROM: %64.64s\n",pi->device,scratch);
+ printk("%s: %64.64s\n",pi->device,&scratch[64]);
+ }
+#endif
+
+ printk("%s: bpck %s, backpack %8.8s unit %d",
+ pi->device,BPCK_VERSION,&scratch[110],pi->unit);
+ printk(" at 0x%x, mode %d (%s), delay %d\n",pi->port,
+ pi->mode,mode_string[pi->mode],pi->delay);
+}
+
+static struct pi_protocol bpck = {
+ .owner = THIS_MODULE,
+ .name = "bpck",
+ .max_mode = 5,
+ .epp_first = 2,
+ .default_delay = 4,
+ .max_units = 255,
+ .write_regr = bpck_write_regr,
+ .read_regr = bpck_read_regr,
+ .write_block = bpck_write_block,
+ .read_block = bpck_read_block,
+ .connect = bpck_connect,
+ .disconnect = bpck_disconnect,
+ .test_port = bpck_test_port,
+ .probe_unit = bpck_probe_unit,
+ .test_proto = bpck_test_proto,
+ .log_adapter = bpck_log_adapter,
+};
+
+static int __init bpck_init(void)
+{
+ return paride_register(&bpck);
+}
+
+static void __exit bpck_exit(void)
+{
+ paride_unregister(&bpck);
+}
+
+MODULE_LICENSE("GPL");
+module_init(bpck_init)
+module_exit(bpck_exit)
--- /dev/null
+/*
+ backpack.c (c) 2001 Micro Solutions Inc.
+ Released under the terms of the GNU General Public license
+
+ backpack.c is a low-level protocol driver for the Micro Solutions
+ "BACKPACK" parallel port IDE adapter
+ (Works on Series 6 drives)
+
+ Written by: Ken Hahn (linux-dev@micro-solutions.com)
+ Clive Turvey (linux-dev@micro-solutions.com)
+
+*/
+
+/*
+ This is Ken's linux wrapper for the PPC library
+ Version 1.0.0 is the backpack driver for which source is not available
+ Version 2.0.0 is the first to have source released
+ Version 2.0.1 is the "Cox-ified" source code
+ Version 2.0.2 - fixed version string usage, and made ppc functions static
+*/
+
+
+#define BACKPACK_VERSION "2.0.2"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <linux/parport.h>
+
+#include "ppc6lnx.c"
+#include <linux/pata_parport.h>
+
+/* PARAMETERS */
+static bool verbose; /* set this to 1 to see debugging messages and whatnot */
+
+
+#define PPCSTRUCT(pi) ((Interface *)(pi->private))
+
+/****************************************************************/
+/*
+ ATAPI CDROM DRIVE REGISTERS
+*/
+#define ATAPI_DATA 0 /* data port */
+#define ATAPI_ERROR 1 /* error register (read) */
+#define ATAPI_FEATURES 1 /* feature register (write) */
+#define ATAPI_INT_REASON 2 /* interrupt reason register */
+#define ATAPI_COUNT_LOW 4 /* byte count register (low) */
+#define ATAPI_COUNT_HIGH 5 /* byte count register (high) */
+#define ATAPI_DRIVE_SEL 6 /* drive select register */
+#define ATAPI_STATUS 7 /* status port (read) */
+#define ATAPI_COMMAND 7 /* command port (write) */
+#define ATAPI_ALT_STATUS 0x0e /* alternate status reg (read) */
+#define ATAPI_DEVICE_CONTROL 0x0e /* device control (write) */
+/****************************************************************/
+
+static int bpck6_read_regr(PIA *pi, int cont, int reg)
+{
+ unsigned int out;
+
+ /* check for bad settings */
+ if (reg<0 || reg>7 || cont<0 || cont>2)
+ {
+ return(-1);
+ }
+ out=ppc6_rd_port(PPCSTRUCT(pi),cont?reg|8:reg);
+ return(out);
+}
+
+static void bpck6_write_regr(PIA *pi, int cont, int reg, int val)
+{
+ /* check for bad settings */
+ if (reg>=0 && reg<=7 && cont>=0 && cont<=1)
+ {
+ ppc6_wr_port(PPCSTRUCT(pi),cont?reg|8:reg,(u8)val);
+ }
+}
+
+static void bpck6_write_block( PIA *pi, char * buf, int len )
+{
+ ppc6_wr_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1);
+}
+
+static void bpck6_read_block( PIA *pi, char * buf, int len )
+{
+ ppc6_rd_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1);
+}
+
+static void bpck6_connect ( PIA *pi )
+{
+ if(verbose)
+ {
+ printk(KERN_DEBUG "connect\n");
+ }
+
+ if(pi->mode >=2)
+ {
+ PPCSTRUCT(pi)->mode=4+pi->mode-2;
+ }
+ else if(pi->mode==1)
+ {
+ PPCSTRUCT(pi)->mode=3;
+ }
+ else
+ {
+ PPCSTRUCT(pi)->mode=1;
+ }
+
+ ppc6_open(PPCSTRUCT(pi));
+ ppc6_wr_extout(PPCSTRUCT(pi),0x3);
+}
+
+static void bpck6_disconnect ( PIA *pi )
+{
+ if(verbose)
+ {
+ printk("disconnect\n");
+ }
+ ppc6_wr_extout(PPCSTRUCT(pi),0x0);
+ ppc6_close(PPCSTRUCT(pi));
+}
+
+static int bpck6_test_port ( PIA *pi ) /* check for 8-bit port */
+{
+ if(verbose)
+ {
+ printk(KERN_DEBUG "PARPORT indicates modes=%x for lp=0x%lx\n",
+ ((struct pardevice*)(pi->pardev))->port->modes,
+ ((struct pardevice *)(pi->pardev))->port->base);
+ }
+
+ /*copy over duplicate stuff.. initialize state info*/
+ PPCSTRUCT(pi)->ppc_id=pi->unit;
+ PPCSTRUCT(pi)->lpt_addr=pi->port;
+
+ /* look at the parport device to see if what modes we can use */
+ if(((struct pardevice *)(pi->pardev))->port->modes &
+ (PARPORT_MODE_EPP)
+ )
+ {
+ return 5; /* Can do EPP*/
+ }
+ else if(((struct pardevice *)(pi->pardev))->port->modes &
+ (PARPORT_MODE_TRISTATE)
+ )
+ {
+ return 2;
+ }
+ else /*Just flat SPP*/
+ {
+ return 1;
+ }
+}
+
+static int bpck6_probe_unit ( PIA *pi )
+{
+ int out;
+
+ if(verbose)
+ {
+ printk(KERN_DEBUG "PROBE UNIT %x on port:%x\n",pi->unit,pi->port);
+ }
+
+ /*SET PPC UNIT NUMBER*/
+ PPCSTRUCT(pi)->ppc_id=pi->unit;
+
+ /*LOWER DOWN TO UNIDIRECTIONAL*/
+ PPCSTRUCT(pi)->mode=1;
+
+ out=ppc6_open(PPCSTRUCT(pi));
+
+ if(verbose)
+ {
+ printk(KERN_DEBUG "ppc_open returned %2x\n",out);
+ }
+
+ if(out)
+ {
+ ppc6_close(PPCSTRUCT(pi));
+ if(verbose)
+ {
+ printk(KERN_DEBUG "leaving probe\n");
+ }
+ return(1);
+ }
+ else
+ {
+ if(verbose)
+ {
+ printk(KERN_DEBUG "Failed open\n");
+ }
+ return(0);
+ }
+}
+
+static void bpck6_log_adapter( PIA *pi, char * scratch, int verbose )
+{
+ char *mode_string[5]=
+ {"4-bit","8-bit","EPP-8","EPP-16","EPP-32"};
+
+ printk("%s: BACKPACK Protocol Driver V"BACKPACK_VERSION"\n",pi->device);
+ printk("%s: Copyright 2001 by Micro Solutions, Inc., DeKalb IL.\n",pi->device);
+ printk("%s: BACKPACK %s, Micro Solutions BACKPACK Drive at 0x%x\n",
+ pi->device,BACKPACK_VERSION,pi->port);
+ printk("%s: Unit: %d Mode:%d (%s) Delay %d\n",pi->device,
+ pi->unit,pi->mode,mode_string[pi->mode],pi->delay);
+}
+
+static int bpck6_init_proto(PIA *pi)
+{
+ Interface *p = kzalloc(sizeof(Interface), GFP_KERNEL);
+
+ if (p) {
+ pi->private = (unsigned long)p;
+ return 0;
+ }
+
+ printk(KERN_ERR "%s: ERROR COULDN'T ALLOCATE MEMORY\n", pi->device);
+ return -1;
+}
+
+static void bpck6_release_proto(PIA *pi)
+{
+ kfree((void *)(pi->private));
+}
+
+static struct pi_protocol bpck6 = {
+ .owner = THIS_MODULE,
+ .name = "bpck6",
+ .max_mode = 5,
+ .epp_first = 2, /* 2-5 use epp (need 8 ports) */
+ .max_units = 255,
+ .write_regr = bpck6_write_regr,
+ .read_regr = bpck6_read_regr,
+ .write_block = bpck6_write_block,
+ .read_block = bpck6_read_block,
+ .connect = bpck6_connect,
+ .disconnect = bpck6_disconnect,
+ .test_port = bpck6_test_port,
+ .probe_unit = bpck6_probe_unit,
+ .log_adapter = bpck6_log_adapter,
+ .init_proto = bpck6_init_proto,
+ .release_proto = bpck6_release_proto,
+};
+
+static int __init bpck6_init(void)
+{
+ printk(KERN_INFO "bpck6: BACKPACK Protocol Driver V"BACKPACK_VERSION"\n");
+ printk(KERN_INFO "bpck6: Copyright 2001 by Micro Solutions, Inc., DeKalb IL. USA\n");
+ if(verbose)
+ printk(KERN_DEBUG "bpck6: verbose debug enabled.\n");
+ return paride_register(&bpck6);
+}
+
+static void __exit bpck6_exit(void)
+{
+ paride_unregister(&bpck6);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Micro Solutions Inc.");
+MODULE_DESCRIPTION("BACKPACK Protocol module, compatible with PARIDE");
+module_param(verbose, bool, 0644);
+module_init(bpck6_init)
+module_exit(bpck6_exit)
--- /dev/null
+/*
+ comm.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ comm.c is a low-level protocol driver for some older models
+ of the DataStor "Commuter" parallel to IDE adapter. Some of
+ the parallel port devices marketed by Arista currently
+ use this adapter.
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.05 init_proto, release_proto
+
+*/
+
+#define COMM_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+/* mode codes: 0 nybble reads, 8-bit writes
+ 1 8-bit reads and writes
+ 2 8-bit EPP mode
+*/
+
+#define j44(a,b) (((a>>3)&0x0f)|((b<<1)&0xf0))
+
+#define P1 w2(5);w2(0xd);w2(0xd);w2(5);w2(4);
+#define P2 w2(5);w2(7);w2(7);w2(5);w2(4);
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x08, 0x10 };
+
+static int comm_read_regr( PIA *pi, int cont, int regr )
+
+{ int l, h, r;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0: w0(r); P1; w0(0);
+ w2(6); l = r1(); w0(0x80); h = r1(); w2(4);
+ return j44(l,h);
+
+ case 1: w0(r+0x20); P1;
+ w0(0); w2(0x26); h = r0(); w2(4);
+ return h;
+
+ case 2:
+ case 3:
+ case 4: w3(r+0x20); (void)r1();
+ w2(0x24); h = r4(); w2(4);
+ return h;
+
+ }
+ return -1;
+}
+
+static void comm_write_regr( PIA *pi, int cont, int regr, int val )
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(r); P1; w0(val); P2;
+ break;
+
+ case 2:
+ case 3:
+ case 4: w3(r); (void)r1(); w4(val);
+ break;
+ }
+}
+
+static void comm_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(4); w0(0xff); w2(6);
+ w2(4); w0(0xaa); w2(6);
+ w2(4); w0(0x00); w2(6);
+ w2(4); w0(0x87); w2(6);
+ w2(4); w0(0xe0); w2(0xc); w2(0xc); w2(4);
+}
+
+static void comm_disconnect ( PIA *pi )
+
+{ w2(0); w2(0); w2(0); w2(4);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void comm_read_block( PIA *pi, char * buf, int count )
+
+{ int i, l, h;
+
+ switch (pi->mode) {
+
+ case 0: w0(0x48); P1;
+ for(i=0;i<count;i++) {
+ w0(0); w2(6); l = r1();
+ w0(0x80); h = r1(); w2(4);
+ buf[i] = j44(l,h);
+ }
+ break;
+
+ case 1: w0(0x68); P1; w0(0);
+ for(i=0;i<count;i++) {
+ w2(0x26); buf[i] = r0(); w2(0x24);
+ }
+ w2(4);
+ break;
+
+ case 2: w3(0x68); (void)r1(); w2(0x24);
+ for (i=0;i<count;i++) buf[i] = r4();
+ w2(4);
+ break;
+
+ case 3: w3(0x68); (void)r1(); w2(0x24);
+ for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
+ w2(4);
+ break;
+
+ case 4: w3(0x68); (void)r1(); w2(0x24);
+ for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
+ w2(4);
+ break;
+
+ }
+}
+
+/* NB: Watch out for the byte swapped writes ! */
+
+static void comm_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(0x68); P1;
+ for (k=0;k<count;k++) {
+ w2(5); w0(buf[k^1]); w2(7);
+ }
+ w2(5); w2(4);
+ break;
+
+ case 2: w3(0x48); (void)r1();
+ for (k=0;k<count;k++) w4(buf[k^1]);
+ break;
+
+ case 3: w3(0x48); (void)r1();
+ for (k=0;k<count/2;k++) w4w(pi_swab16(buf,k));
+ break;
+
+ case 4: w3(0x48); (void)r1();
+ for (k=0;k<count/4;k++) w4l(pi_swab32(buf,k));
+ break;
+
+
+ }
+}
+
+static void comm_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[5] = {"4-bit","8-bit","EPP-8","EPP-16","EPP-32"};
+
+ printk("%s: comm %s, DataStor Commuter at 0x%x, ",
+ pi->device,COMM_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol comm = {
+ .owner = THIS_MODULE,
+ .name = "comm",
+ .max_mode = 5,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = comm_write_regr,
+ .read_regr = comm_read_regr,
+ .write_block = comm_write_block,
+ .read_block = comm_read_block,
+ .connect = comm_connect,
+ .disconnect = comm_disconnect,
+ .log_adapter = comm_log_adapter,
+};
+
+static int __init comm_init(void)
+{
+ return paride_register(&comm);
+}
+
+static void __exit comm_exit(void)
+{
+ paride_unregister(&comm);
+}
+
+MODULE_LICENSE("GPL");
+module_init(comm_init)
+module_exit(comm_exit)
--- /dev/null
+/*
+ dstr.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ dstr.c is a low-level protocol driver for the
+ DataStor EP2000 parallel to IDE adapter chip.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+
+*/
+
+#define DSTR_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+/* mode codes: 0 nybble reads, 8-bit writes
+ 1 8-bit reads and writes
+ 2 8-bit EPP mode
+ 3 EPP-16
+ 4 EPP-32
+*/
+
+#define j44(a,b) (((a>>3)&0x07)|((~a>>4)&0x08)|((b<<1)&0x70)|((~b)&0x80))
+
+#define P1 w2(5);w2(0xd);w2(5);w2(4);
+#define P2 w2(5);w2(7);w2(5);w2(4);
+#define P3 w2(6);w2(4);w2(6);w2(4);
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x20, 0x40 };
+
+static int dstr_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ r = regr + cont_map[cont];
+
+ w0(0x81); P1;
+ if (pi->mode) { w0(0x11); } else { w0(1); }
+ P2; w0(r); P1;
+
+ switch (pi->mode) {
+
+ case 0: w2(6); a = r1(); w2(4); w2(6); b = r1(); w2(4);
+ return j44(a,b);
+
+ case 1: w0(0); w2(0x26); a = r0(); w2(4);
+ return a;
+
+ case 2:
+ case 3:
+ case 4: w2(0x24); a = r4(); w2(4);
+ return a;
+
+ }
+ return -1;
+}
+
+static void dstr_write_regr( PIA *pi, int cont, int regr, int val )
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ w0(0x81); P1;
+ if (pi->mode >= 2) { w0(0x11); } else { w0(1); }
+ P2; w0(r); P1;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(val); w2(5); w2(7); w2(5); w2(4);
+ break;
+
+ case 2:
+ case 3:
+ case 4: w4(val);
+ break;
+ }
+}
+
+#define CCP(x) w0(0xff);w2(0xc);w2(4);\
+ w0(0xaa);w0(0x55);w0(0);w0(0xff);w0(0x87);w0(0x78);\
+ w0(x);w2(5);w2(4);
+
+static void dstr_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(4); CCP(0xe0); w0(0xff);
+}
+
+static void dstr_disconnect ( PIA *pi )
+
+{ CCP(0x30);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void dstr_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b;
+
+ w0(0x81); P1;
+ if (pi->mode) { w0(0x19); } else { w0(9); }
+ P2; w0(0x82); P1; P3; w0(0x20); P1;
+
+ switch (pi->mode) {
+
+ case 0: for (k=0;k<count;k++) {
+ w2(6); a = r1(); w2(4);
+ w2(6); b = r1(); w2(4);
+ buf[k] = j44(a,b);
+ }
+ break;
+
+ case 1: w0(0);
+ for (k=0;k<count;k++) {
+ w2(0x26); buf[k] = r0(); w2(0x24);
+ }
+ w2(4);
+ break;
+
+ case 2: w2(0x24);
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(4);
+ break;
+
+ case 3: w2(0x24);
+ for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
+ w2(4);
+ break;
+
+ case 4: w2(0x24);
+ for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
+ w2(4);
+ break;
+
+ }
+}
+
+static void dstr_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ w0(0x81); P1;
+ if (pi->mode) { w0(0x19); } else { w0(9); }
+ P2; w0(0x82); P1; P3; w0(0x20); P1;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: for (k=0;k<count;k++) {
+ w2(5); w0(buf[k]); w2(7);
+ }
+ w2(5); w2(4);
+ break;
+
+ case 2: w2(0xc5);
+ for (k=0;k<count;k++) w4(buf[k]);
+ w2(0xc4);
+ break;
+
+ case 3: w2(0xc5);
+ for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
+ w2(0xc4);
+ break;
+
+ case 4: w2(0xc5);
+ for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
+ w2(0xc4);
+ break;
+
+ }
+}
+
+
+static void dstr_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[5] = {"4-bit","8-bit","EPP-8",
+ "EPP-16","EPP-32"};
+
+ printk("%s: dstr %s, DataStor EP2000 at 0x%x, ",
+ pi->device,DSTR_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol dstr = {
+ .owner = THIS_MODULE,
+ .name = "dstr",
+ .max_mode = 5,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = dstr_write_regr,
+ .read_regr = dstr_read_regr,
+ .write_block = dstr_write_block,
+ .read_block = dstr_read_block,
+ .connect = dstr_connect,
+ .disconnect = dstr_disconnect,
+ .log_adapter = dstr_log_adapter,
+};
+
+static int __init dstr_init(void)
+{
+ return paride_register(&dstr);
+}
+
+static void __exit dstr_exit(void)
+{
+ paride_unregister(&dstr);
+}
+
+MODULE_LICENSE("GPL");
+module_init(dstr_init)
+module_exit(dstr_exit)
--- /dev/null
+/*
+ epat.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ This is the low level protocol driver for the EPAT parallel
+ to IDE adapter from Shuttle Technologies. This adapter is
+ used in many popular parallel port disk products such as the
+ SyQuest EZ drives, the Avatar Shark and the Imation SuperDisk.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+ 1.02 Joshua b. Jore CPP(renamed), epat_connect, epat_disconnect
+
+*/
+
+#define EPAT_VERSION "1.02"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define j44(a,b) (((a>>4)&0x0f)+(b&0xf0))
+#define j53(a,b) (((a>>3)&0x1f)+((b<<4)&0xe0))
+
+static int epatc8;
+
+module_param(epatc8, int, 0);
+MODULE_PARM_DESC(epatc8, "support for the Shuttle EP1284 chip, "
+ "used in any recent Imation SuperDisk (LS-120) drive.");
+
+/* cont = 0 IDE register file
+ cont = 1 IDE control registers
+ cont = 2 internal EPAT registers
+*/
+
+static int cont_map[3] = { 0x18, 0x10, 0 };
+
+static void epat_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w0(0x60+r); w2(1); w0(val); w2(4);
+ break;
+
+ case 3:
+ case 4:
+ case 5: w3(0x40+r); w4(val);
+ break;
+
+ }
+}
+
+static int epat_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ r = regr + cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0: w0(r); w2(1); w2(3);
+ a = r1(); w2(4); b = r1();
+ return j44(a,b);
+
+ case 1: w0(0x40+r); w2(1); w2(4);
+ a = r1(); b = r2(); w0(0xff);
+ return j53(a,b);
+
+ case 2: w0(0x20+r); w2(1); w2(0x25);
+ a = r0(); w2(4);
+ return a;
+
+ case 3:
+ case 4:
+ case 5: w3(r); w2(0x24); a = r4(); w2(4);
+ return a;
+
+ }
+ return -1; /* never gets here */
+}
+
+static void epat_read_block( PIA *pi, char * buf, int count )
+
+{ int k, ph, a, b;
+
+ switch (pi->mode) {
+
+ case 0: w0(7); w2(1); w2(3); w0(0xff);
+ ph = 0;
+ for(k=0;k<count;k++) {
+ if (k == count-1) w0(0xfd);
+ w2(6+ph); a = r1();
+ if (a & 8) b = a;
+ else { w2(4+ph); b = r1(); }
+ buf[k] = j44(a,b);
+ ph = 1 - ph;
+ }
+ w0(0); w2(4);
+ break;
+
+ case 1: w0(0x47); w2(1); w2(5); w0(0xff);
+ ph = 0;
+ for(k=0;k<count;k++) {
+ if (k == count-1) w0(0xfd);
+ w2(4+ph);
+ a = r1(); b = r2();
+ buf[k] = j53(a,b);
+ ph = 1 - ph;
+ }
+ w0(0); w2(4);
+ break;
+
+ case 2: w0(0x27); w2(1); w2(0x25); w0(0);
+ ph = 0;
+ for(k=0;k<count-1;k++) {
+ w2(0x24+ph);
+ buf[k] = r0();
+ ph = 1 - ph;
+ }
+ w2(0x26); w2(0x27); buf[count-1] = r0();
+ w2(0x25); w2(4);
+ break;
+
+ case 3: w3(0x80); w2(0x24);
+ for(k=0;k<count-1;k++) buf[k] = r4();
+ w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 4: w3(0x80); w2(0x24);
+ for(k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
+ buf[count-2] = r4();
+ w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 5: w3(0x80); w2(0x24);
+ for(k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
+ for(k=count-4;k<count-1;k++) buf[k] = r4();
+ w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
+ w2(4);
+ break;
+
+ }
+}
+
+static void epat_write_block( PIA *pi, char * buf, int count )
+
+{ int ph, k;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w0(0x67); w2(1); w2(5);
+ ph = 0;
+ for(k=0;k<count;k++) {
+ w0(buf[k]);
+ w2(4+ph);
+ ph = 1 - ph;
+ }
+ w2(7); w2(4);
+ break;
+
+ case 3: w3(0xc0);
+ for(k=0;k<count;k++) w4(buf[k]);
+ w2(4);
+ break;
+
+ case 4: w3(0xc0);
+ for(k=0;k<(count/2);k++) w4w(((u16 *)buf)[k]);
+ w2(4);
+ break;
+
+ case 5: w3(0xc0);
+ for(k=0;k<(count/4);k++) w4l(((u32 *)buf)[k]);
+ w2(4);
+ break;
+
+ }
+}
+
+/* these macros access the EPAT registers in native addressing */
+
+#define WR(r,v) epat_write_regr(pi,2,r,v)
+#define RR(r) (epat_read_regr(pi,2,r))
+
+/* and these access the IDE task file */
+
+#define WRi(r,v) epat_write_regr(pi,0,r,v)
+#define RRi(r) (epat_read_regr(pi,0,r))
+
+/* FIXME: the CPP stuff should be fixed to handle multiple EPATs on a chain */
+
+#define CPP(x) w2(4);w0(0x22);w0(0xaa);w0(0x55);w0(0);w0(0xff);\
+ w0(0x87);w0(0x78);w0(x);w2(4);w2(5);w2(4);w0(0xff);
+
+static void epat_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ /* Initialize the chip */
+ CPP(0);
+
+ if (epatc8) {
+ CPP(0x40);CPP(0xe0);
+ w0(0);w2(1);w2(4);
+ WR(0x8,0x12);WR(0xc,0x14);WR(0x12,0x10);
+ WR(0xe,0xf);WR(0xf,4);
+ /* WR(0xe,0xa);WR(0xf,4); */
+ WR(0xe,0xd);WR(0xf,0);
+ /* CPP(0x30); */
+ }
+
+ /* Connect to the chip */
+ CPP(0xe0);
+ w0(0);w2(1);w2(4); /* Idle into SPP */
+ if (pi->mode >= 3) {
+ w0(0);w2(1);w2(4);w2(0xc);
+ /* Request EPP */
+ w0(0x40);w2(6);w2(7);w2(4);w2(0xc);w2(4);
+ }
+
+ if (!epatc8) {
+ WR(8,0x10); WR(0xc,0x14); WR(0xa,0x38); WR(0x12,0x10);
+ }
+}
+
+static void epat_disconnect (PIA *pi)
+{ CPP(0x30);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static int epat_test_proto( PIA *pi, char * scratch, int verbose )
+
+{ int k, j, f, cc;
+ int e[2] = {0,0};
+
+ epat_connect(pi);
+ cc = RR(0xd);
+ epat_disconnect(pi);
+
+ epat_connect(pi);
+ for (j=0;j<2;j++) {
+ WRi(6,0xa0+j*0x10);
+ for (k=0;k<256;k++) {
+ WRi(2,k^0xaa);
+ WRi(3,k^0x55);
+ if (RRi(2) != (k^0xaa)) e[j]++;
+ }
+ }
+ epat_disconnect(pi);
+
+ f = 0;
+ epat_connect(pi);
+ WR(0x13,1); WR(0x13,0); WR(0xa,0x11);
+ epat_read_block(pi,scratch,512);
+
+ for (k=0;k<256;k++) {
+ if ((scratch[2*k] & 0xff) != k) f++;
+ if ((scratch[2*k+1] & 0xff) != (0xff-k)) f++;
+ }
+ epat_disconnect(pi);
+
+ if (verbose) {
+ printk("%s: epat: port 0x%x, mode %d, ccr %x, test=(%d,%d,%d)\n",
+ pi->device,pi->port,pi->mode,cc,e[0],e[1],f);
+ }
+
+ return (e[0] && e[1]) || f;
+}
+
+static void epat_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ int ver;
+ char *mode_string[6] =
+ {"4-bit","5/3","8-bit","EPP-8","EPP-16","EPP-32"};
+
+ epat_connect(pi);
+ WR(0xa,0x38); /* read the version code */
+ ver = RR(0xb);
+ epat_disconnect(pi);
+
+ printk("%s: epat %s, Shuttle EPAT chip %x at 0x%x, ",
+ pi->device,EPAT_VERSION,ver,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol epat = {
+ .owner = THIS_MODULE,
+ .name = "epat",
+ .max_mode = 6,
+ .epp_first = 3,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = epat_write_regr,
+ .read_regr = epat_read_regr,
+ .write_block = epat_write_block,
+ .read_block = epat_read_block,
+ .connect = epat_connect,
+ .disconnect = epat_disconnect,
+ .test_proto = epat_test_proto,
+ .log_adapter = epat_log_adapter,
+};
+
+static int __init epat_init(void)
+{
+#ifdef CONFIG_PARIDE_EPATC8
+ epatc8 = 1;
+#endif
+ return paride_register(&epat);
+}
+
+static void __exit epat_exit(void)
+{
+ paride_unregister(&epat);
+}
+
+MODULE_LICENSE("GPL");
+module_init(epat_init)
+module_exit(epat_exit)
--- /dev/null
+/*
+ epia.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ epia.c is a low-level protocol driver for Shuttle Technologies
+ EPIA parallel to IDE adapter chip. This device is now obsolete
+ and has been replaced with the EPAT chip, which is supported
+ by epat.c, however, some devices based on EPIA are still
+ available.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+ 1.02 GRG 1998.06.17 support older versions of EPIA
+
+*/
+
+#define EPIA_VERSION "1.02"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+/* mode codes: 0 nybble reads on port 1, 8-bit writes
+ 1 5/3 reads on ports 1 & 2, 8-bit writes
+ 2 8-bit reads and writes
+ 3 8-bit EPP mode
+ 4 16-bit EPP
+ 5 32-bit EPP
+*/
+
+#define j44(a,b) (((a>>4)&0x0f)+(b&0xf0))
+#define j53(a,b) (((a>>3)&0x1f)+((b<<4)&0xe0))
+
+/* cont = 0 IDE register file
+ cont = 1 IDE control registers
+*/
+
+static int cont_map[2] = { 0, 0x80 };
+
+static int epia_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ regr += cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0: r = regr^0x39;
+ w0(r); w2(1); w2(3); w0(r);
+ a = r1(); w2(1); b = r1(); w2(4);
+ return j44(a,b);
+
+ case 1: r = regr^0x31;
+ w0(r); w2(1); w0(r&0x37);
+ w2(3); w2(5); w0(r|0xf0);
+ a = r1(); b = r2(); w2(4);
+ return j53(a,b);
+
+ case 2: r = regr^0x29;
+ w0(r); w2(1); w2(0X21); w2(0x23);
+ a = r0(); w2(4);
+ return a;
+
+ case 3:
+ case 4:
+ case 5: w3(regr); w2(0x24); a = r4(); w2(4);
+ return a;
+
+ }
+ return -1;
+}
+
+static void epia_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ regr += cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: r = regr^0x19;
+ w0(r); w2(1); w0(val); w2(3); w2(4);
+ break;
+
+ case 3:
+ case 4:
+ case 5: r = regr^0x40;
+ w3(r); w4(val); w2(4);
+ break;
+ }
+}
+
+#define WR(r,v) epia_write_regr(pi,0,r,v)
+#define RR(r) (epia_read_regr(pi,0,r))
+
+/* The use of register 0x84 is entirely unclear - it seems to control
+ some EPP counters ... currently we know about 3 different block
+ sizes: the standard 512 byte reads and writes, 12 byte writes and
+ 2048 byte reads (the last two being used in the CDrom drivers.
+*/
+
+static void epia_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ w2(4); w0(0xa0); w0(0x50); w0(0xc0); w0(0x30); w0(0xa0); w0(0);
+ w2(1); w2(4);
+ if (pi->mode >= 3) {
+ w0(0xa); w2(1); w2(4); w0(0x82); w2(4); w2(0xc); w2(4);
+ w2(0x24); w2(0x26); w2(4);
+ }
+ WR(0x86,8);
+}
+
+static void epia_disconnect ( PIA *pi )
+
+{ /* WR(0x84,0x10); */
+ w0(pi->saved_r0);
+ w2(1); w2(4);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void epia_read_block( PIA *pi, char * buf, int count )
+
+{ int k, ph, a, b;
+
+ switch (pi->mode) {
+
+ case 0: w0(0x81); w2(1); w2(3); w0(0xc1);
+ ph = 1;
+ for (k=0;k<count;k++) {
+ w2(2+ph); a = r1();
+ w2(4+ph); b = r1();
+ buf[k] = j44(a,b);
+ ph = 1 - ph;
+ }
+ w0(0); w2(4);
+ break;
+
+ case 1: w0(0x91); w2(1); w0(0x10); w2(3);
+ w0(0x51); w2(5); w0(0xd1);
+ ph = 1;
+ for (k=0;k<count;k++) {
+ w2(4+ph);
+ a = r1(); b = r2();
+ buf[k] = j53(a,b);
+ ph = 1 - ph;
+ }
+ w0(0); w2(4);
+ break;
+
+ case 2: w0(0x89); w2(1); w2(0x23); w2(0x21);
+ ph = 1;
+ for (k=0;k<count;k++) {
+ w2(0x24+ph);
+ buf[k] = r0();
+ ph = 1 - ph;
+ }
+ w2(6); w2(4);
+ break;
+
+ case 3: if (count > 512) WR(0x84,3);
+ w3(0); w2(0x24);
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(4); WR(0x84,0);
+ break;
+
+ case 4: if (count > 512) WR(0x84,3);
+ w3(0); w2(0x24);
+ for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
+ w2(4); WR(0x84,0);
+ break;
+
+ case 5: if (count > 512) WR(0x84,3);
+ w3(0); w2(0x24);
+ for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
+ w2(4); WR(0x84,0);
+ break;
+
+ }
+}
+
+static void epia_write_block( PIA *pi, char * buf, int count )
+
+{ int ph, k, last, d;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w0(0xa1); w2(1); w2(3); w2(1); w2(5);
+ ph = 0; last = 0x8000;
+ for (k=0;k<count;k++) {
+ d = buf[k];
+ if (d != last) { last = d; w0(d); }
+ w2(4+ph);
+ ph = 1 - ph;
+ }
+ w2(7); w2(4);
+ break;
+
+ case 3: if (count < 512) WR(0x84,1);
+ w3(0x40);
+ for (k=0;k<count;k++) w4(buf[k]);
+ if (count < 512) WR(0x84,0);
+ break;
+
+ case 4: if (count < 512) WR(0x84,1);
+ w3(0x40);
+ for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
+ if (count < 512) WR(0x84,0);
+ break;
+
+ case 5: if (count < 512) WR(0x84,1);
+ w3(0x40);
+ for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
+ if (count < 512) WR(0x84,0);
+ break;
+
+ }
+
+}
+
+static int epia_test_proto( PIA *pi, char * scratch, int verbose )
+
+{ int j, k, f;
+ int e[2] = {0,0};
+
+ epia_connect(pi);
+ for (j=0;j<2;j++) {
+ WR(6,0xa0+j*0x10);
+ for (k=0;k<256;k++) {
+ WR(2,k^0xaa);
+ WR(3,k^0x55);
+ if (RR(2) != (k^0xaa)) e[j]++;
+ }
+ WR(2,1); WR(3,1);
+ }
+ epia_disconnect(pi);
+
+ f = 0;
+ epia_connect(pi);
+ WR(0x84,8);
+ epia_read_block(pi,scratch,512);
+ for (k=0;k<256;k++) {
+ if ((scratch[2*k] & 0xff) != ((k+1) & 0xff)) f++;
+ if ((scratch[2*k+1] & 0xff) != ((-2-k) & 0xff)) f++;
+ }
+ WR(0x84,0);
+ epia_disconnect(pi);
+
+ if (verbose) {
+ printk("%s: epia: port 0x%x, mode %d, test=(%d,%d,%d)\n",
+ pi->device,pi->port,pi->mode,e[0],e[1],f);
+ }
+
+ return (e[0] && e[1]) || f;
+
+}
+
+
+static void epia_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[6] = {"4-bit","5/3","8-bit",
+ "EPP-8","EPP-16","EPP-32"};
+
+ printk("%s: epia %s, Shuttle EPIA at 0x%x, ",
+ pi->device,EPIA_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol epia = {
+ .owner = THIS_MODULE,
+ .name = "epia",
+ .max_mode = 6,
+ .epp_first = 3,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = epia_write_regr,
+ .read_regr = epia_read_regr,
+ .write_block = epia_write_block,
+ .read_block = epia_read_block,
+ .connect = epia_connect,
+ .disconnect = epia_disconnect,
+ .test_proto = epia_test_proto,
+ .log_adapter = epia_log_adapter,
+};
+
+static int __init epia_init(void)
+{
+ return paride_register(&epia);
+}
+
+static void __exit epia_exit(void)
+{
+ paride_unregister(&epia);
+}
+
+MODULE_LICENSE("GPL");
+module_init(epia_init)
+module_exit(epia_exit)
--- /dev/null
+/*
+ fit2.c (c) 1998 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ fit2.c is a low-level protocol driver for the older version
+ of the Fidelity International Technology parallel port adapter.
+ This adapter is used in their TransDisk 2000 and older TransDisk
+ 3000 portable hard-drives. As far as I can tell, this device
+ supports 4-bit mode _only_.
+
+ Newer models of the FIT products use an enhanced protocol.
+ The "fit3" protocol module should support current drives.
+
+*/
+
+#define FIT2_VERSION "1.0"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+
+NB: The FIT adapter does not appear to use the control registers.
+So, we map ALT_STATUS to STATUS and NO-OP writes to the device
+control register - this means that IDE reset will not work on these
+devices.
+
+*/
+
+static void fit2_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ if (cont == 1) return;
+ w2(0xc); w0(regr); w2(4); w0(val); w2(5); w0(0); w2(4);
+}
+
+static int fit2_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ if (cont) {
+ if (regr != 6) return 0xff;
+ r = 7;
+ } else r = regr + 0x10;
+
+ w2(0xc); w0(r); w2(4); w2(5);
+ w0(0); a = r1();
+ w0(1); b = r1();
+ w2(4);
+
+ return j44(a,b);
+
+}
+
+static void fit2_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b, c, d;
+
+ w2(0xc); w0(0x10);
+
+ for (k=0;k<count/4;k++) {
+
+ w2(4); w2(5);
+ w0(0); a = r1(); w0(1); b = r1();
+ w0(3); c = r1(); w0(2); d = r1();
+ buf[4*k+0] = j44(a,b);
+ buf[4*k+1] = j44(d,c);
+
+ w2(4); w2(5);
+ a = r1(); w0(3); b = r1();
+ w0(1); c = r1(); w0(0); d = r1();
+ buf[4*k+2] = j44(d,c);
+ buf[4*k+3] = j44(a,b);
+
+ }
+
+ w2(4);
+
+}
+
+static void fit2_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+
+ w2(0xc); w0(0);
+ for (k=0;k<count/2;k++) {
+ w2(4); w0(buf[2*k]);
+ w2(5); w0(buf[2*k+1]);
+ }
+ w2(4);
+}
+
+static void fit2_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(0xcc);
+}
+
+static void fit2_disconnect ( PIA *pi )
+
+{ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void fit2_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ printk("%s: fit2 %s, FIT 2000 adapter at 0x%x, delay %d\n",
+ pi->device,FIT2_VERSION,pi->port,pi->delay);
+
+}
+
+static struct pi_protocol fit2 = {
+ .owner = THIS_MODULE,
+ .name = "fit2",
+ .max_mode = 1,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = fit2_write_regr,
+ .read_regr = fit2_read_regr,
+ .write_block = fit2_write_block,
+ .read_block = fit2_read_block,
+ .connect = fit2_connect,
+ .disconnect = fit2_disconnect,
+ .log_adapter = fit2_log_adapter,
+};
+
+static int __init fit2_init(void)
+{
+ return paride_register(&fit2);
+}
+
+static void __exit fit2_exit(void)
+{
+ paride_unregister(&fit2);
+}
+
+MODULE_LICENSE("GPL");
+module_init(fit2_init)
+module_exit(fit2_exit)
--- /dev/null
+/*
+ fit3.c (c) 1998 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ fit3.c is a low-level protocol driver for newer models
+ of the Fidelity International Technology parallel port adapter.
+ This adapter is used in their TransDisk 3000 portable
+ hard-drives, as well as CD-ROM, PD-CD and other devices.
+
+ The TD-2000 and certain older devices use a different protocol.
+ Try the fit2 protocol module with them.
+
+ NB: The FIT adapters do not appear to support the control
+ registers. So, we map ALT_STATUS to STATUS and NO-OP writes
+ to the device control register - this means that IDE reset
+ will not work on these devices.
+
+*/
+
+#define FIT3_VERSION "1.0"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define j44(a,b) (((a>>3)&0x0f)|((b<<1)&0xf0))
+
+#define w7(byte) {out_p(7,byte);}
+#define r7() (in_p(7) & 0xff)
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+
+*/
+
+static void fit3_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ if (cont == 1) return;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w2(0xc); w0(regr); w2(0x8); w2(0xc);
+ w0(val); w2(0xd);
+ w0(0); w2(0xc);
+ break;
+
+ case 2: w2(0xc); w0(regr); w2(0x8); w2(0xc);
+ w4(val); w4(0);
+ w2(0xc);
+ break;
+
+ }
+}
+
+static int fit3_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b;
+
+ if (cont) {
+ if (regr != 6) return 0xff;
+ regr = 7;
+ }
+
+ switch (pi->mode) {
+
+ case 0: w2(0xc); w0(regr + 0x10); w2(0x8); w2(0xc);
+ w2(0xd); a = r1();
+ w2(0xf); b = r1();
+ w2(0xc);
+ return j44(a,b);
+
+ case 1: w2(0xc); w0(regr + 0x90); w2(0x8); w2(0xc);
+ w2(0xec); w2(0xee); w2(0xef); a = r0();
+ w2(0xc);
+ return a;
+
+ case 2: w2(0xc); w0(regr + 0x90); w2(0x8); w2(0xc);
+ w2(0xec);
+ a = r4(); b = r4();
+ w2(0xc);
+ return a;
+
+ }
+ return -1;
+
+}
+
+static void fit3_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b, c, d;
+
+ switch (pi->mode) {
+
+ case 0: w2(0xc); w0(0x10); w2(0x8); w2(0xc);
+ for (k=0;k<count/2;k++) {
+ w2(0xd); a = r1();
+ w2(0xf); b = r1();
+ w2(0xc); c = r1();
+ w2(0xe); d = r1();
+ buf[2*k ] = j44(a,b);
+ buf[2*k+1] = j44(c,d);
+ }
+ w2(0xc);
+ break;
+
+ case 1: w2(0xc); w0(0x90); w2(0x8); w2(0xc);
+ w2(0xec); w2(0xee);
+ for (k=0;k<count/2;k++) {
+ w2(0xef); a = r0();
+ w2(0xee); b = r0();
+ buf[2*k ] = a;
+ buf[2*k+1] = b;
+ }
+ w2(0xec);
+ w2(0xc);
+ break;
+
+ case 2: w2(0xc); w0(0x90); w2(0x8); w2(0xc);
+ w2(0xec);
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(0xc);
+ break;
+
+ }
+}
+
+static void fit3_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w2(0xc); w0(0); w2(0x8); w2(0xc);
+ for (k=0;k<count/2;k++) {
+ w0(buf[2*k ]); w2(0xd);
+ w0(buf[2*k+1]); w2(0xc);
+ }
+ break;
+
+ case 2: w2(0xc); w0(0); w2(0x8); w2(0xc);
+ for (k=0;k<count;k++) w4(buf[k]);
+ w2(0xc);
+ break;
+ }
+}
+
+static void fit3_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(0xc); w0(0); w2(0xa);
+ if (pi->mode == 2) {
+ w2(0xc); w0(0x9); w2(0x8); w2(0xc);
+ }
+}
+
+static void fit3_disconnect ( PIA *pi )
+
+{ w2(0xc); w0(0xa); w2(0x8); w2(0xc);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void fit3_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[3] = {"4-bit","8-bit","EPP"};
+
+ printk("%s: fit3 %s, FIT 3000 adapter at 0x%x, "
+ "mode %d (%s), delay %d\n",
+ pi->device,FIT3_VERSION,pi->port,
+ pi->mode,mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol fit3 = {
+ .owner = THIS_MODULE,
+ .name = "fit3",
+ .max_mode = 3,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = fit3_write_regr,
+ .read_regr = fit3_read_regr,
+ .write_block = fit3_write_block,
+ .read_block = fit3_read_block,
+ .connect = fit3_connect,
+ .disconnect = fit3_disconnect,
+ .log_adapter = fit3_log_adapter,
+};
+
+static int __init fit3_init(void)
+{
+ return paride_register(&fit3);
+}
+
+static void __exit fit3_exit(void)
+{
+ paride_unregister(&fit3);
+}
+
+MODULE_LICENSE("GPL");
+module_init(fit3_init)
+module_exit(fit3_exit)
--- /dev/null
+/*
+ friq.c (c) 1998 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License
+
+ friq.c is a low-level protocol driver for the Freecom "IQ"
+ parallel port IDE adapter. Early versions of this adapter
+ use the 'frpw' protocol.
+
+ Freecom uses this adapter in a battery powered external
+ CD-ROM drive. It is also used in LS-120 drives by
+ Maxell and Panasonic, and other devices.
+
+ The battery powered drive requires software support to
+ control the power to the drive. This module enables the
+ drive power when the high level driver (pcd) is loaded
+ and disables it when the module is unloaded. Note, if
+ the friq module is built in to the kernel, the power
+ will never be switched off, so other means should be
+ used to conserve battery power.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.12.20 Added support for soft power switch
+*/
+
+#define FRIQ_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define CMD(x) w2(4);w0(0xff);w0(0xff);w0(0x73);w0(0x73);\
+ w0(0xc9);w0(0xc9);w0(0x26);w0(0x26);w0(x);w0(x);
+
+#define j44(l,h) (((l>>4)&0x0f)|(h&0xf0))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x08, 0x10 };
+
+static int friq_read_regr( PIA *pi, int cont, int regr )
+
+{ int h,l,r;
+
+ r = regr + cont_map[cont];
+
+ CMD(r);
+ w2(6); l = r1();
+ w2(4); h = r1();
+ w2(4);
+
+ return j44(l,h);
+
+}
+
+static void friq_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ CMD(r);
+ w0(val);
+ w2(5);w2(7);w2(5);w2(4);
+}
+
+static void friq_read_block_int( PIA *pi, char * buf, int count, int regr )
+
+{ int h, l, k, ph;
+
+ switch(pi->mode) {
+
+ case 0: CMD(regr);
+ for (k=0;k<count;k++) {
+ w2(6); l = r1();
+ w2(4); h = r1();
+ buf[k] = j44(l,h);
+ }
+ w2(4);
+ break;
+
+ case 1: ph = 2;
+ CMD(regr+0xc0);
+ w0(0xff);
+ for (k=0;k<count;k++) {
+ w2(0xa4 + ph);
+ buf[k] = r0();
+ ph = 2 - ph;
+ }
+ w2(0xac); w2(0xa4); w2(4);
+ break;
+
+ case 2: CMD(regr+0x80);
+ for (k=0;k<count-2;k++) buf[k] = r4();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 3: CMD(regr+0x80);
+ for (k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 4: CMD(regr+0x80);
+ for (k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
+ buf[count-4] = r4();
+ buf[count-3] = r4();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ }
+}
+
+static void friq_read_block( PIA *pi, char * buf, int count)
+
+{ friq_read_block_int(pi,buf,count,0x08);
+}
+
+static void friq_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch(pi->mode) {
+
+ case 0:
+ case 1: CMD(8); w2(5);
+ for (k=0;k<count;k++) {
+ w0(buf[k]);
+ w2(7);w2(5);
+ }
+ w2(4);
+ break;
+
+ case 2: CMD(0xc8); w2(5);
+ for (k=0;k<count;k++) w4(buf[k]);
+ w2(4);
+ break;
+
+ case 3: CMD(0xc8); w2(5);
+ for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
+ w2(4);
+ break;
+
+ case 4: CMD(0xc8); w2(5);
+ for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
+ w2(4);
+ break;
+ }
+}
+
+static void friq_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(4);
+}
+
+static void friq_disconnect ( PIA *pi )
+
+{ CMD(0x20);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static int friq_test_proto( PIA *pi, char * scratch, int verbose )
+
+{ int j, k, r;
+ int e[2] = {0,0};
+
+ pi->saved_r0 = r0();
+ w0(0xff); udelay(20); CMD(0x3d); /* turn the power on */
+ udelay(500);
+ w0(pi->saved_r0);
+
+ friq_connect(pi);
+ for (j=0;j<2;j++) {
+ friq_write_regr(pi,0,6,0xa0+j*0x10);
+ for (k=0;k<256;k++) {
+ friq_write_regr(pi,0,2,k^0xaa);
+ friq_write_regr(pi,0,3,k^0x55);
+ if (friq_read_regr(pi,0,2) != (k^0xaa)) e[j]++;
+ }
+ }
+ friq_disconnect(pi);
+
+ friq_connect(pi);
+ friq_read_block_int(pi,scratch,512,0x10);
+ r = 0;
+ for (k=0;k<128;k++) if (scratch[k] != k) r++;
+ friq_disconnect(pi);
+
+ if (verbose) {
+ printk("%s: friq: port 0x%x, mode %d, test=(%d,%d,%d)\n",
+ pi->device,pi->port,pi->mode,e[0],e[1],r);
+ }
+
+ return (r || (e[0] && e[1]));
+}
+
+
+static void friq_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[6] = {"4-bit","8-bit",
+ "EPP-8","EPP-16","EPP-32"};
+
+ printk("%s: friq %s, Freecom IQ ASIC-2 adapter at 0x%x, ", pi->device,
+ FRIQ_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+ pi->private = 1;
+ friq_connect(pi);
+ CMD(0x9e); /* disable sleep timer */
+ friq_disconnect(pi);
+
+}
+
+static void friq_release_proto( PIA *pi)
+{
+ if (pi->private) { /* turn off the power */
+ friq_connect(pi);
+ CMD(0x1d); CMD(0x1e);
+ friq_disconnect(pi);
+ pi->private = 0;
+ }
+}
+
+static struct pi_protocol friq = {
+ .owner = THIS_MODULE,
+ .name = "friq",
+ .max_mode = 5,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = friq_write_regr,
+ .read_regr = friq_read_regr,
+ .write_block = friq_write_block,
+ .read_block = friq_read_block,
+ .connect = friq_connect,
+ .disconnect = friq_disconnect,
+ .test_proto = friq_test_proto,
+ .log_adapter = friq_log_adapter,
+ .release_proto = friq_release_proto,
+};
+
+static int __init friq_init(void)
+{
+ return paride_register(&friq);
+}
+
+static void __exit friq_exit(void)
+{
+ paride_unregister(&friq);
+}
+
+MODULE_LICENSE("GPL");
+module_init(friq_init)
+module_exit(friq_exit)
--- /dev/null
+/*
+ frpw.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License
+
+ frpw.c is a low-level protocol driver for the Freecom "Power"
+ parallel port IDE adapter.
+
+ Some applications of this adapter may require a "printer" reset
+ prior to loading the driver. This can be done by loading and
+ unloading the "lp" driver, or it can be done by this driver
+ if you define FRPW_HARD_RESET. The latter is not recommended
+ as it may upset devices on other ports.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+ fix chip detect
+ added EPP-16 and EPP-32
+ 1.02 GRG 1998.09.23 added hard reset to initialisation process
+ 1.03 GRG 1998.12.14 made hard reset conditional
+
+*/
+
+#define FRPW_VERSION "1.03"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define cec4 w2(0xc);w2(0xe);w2(0xe);w2(0xc);w2(4);w2(4);w2(4);
+#define j44(l,h) (((l>>4)&0x0f)|(h&0xf0))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x08, 0x10 };
+
+static int frpw_read_regr( PIA *pi, int cont, int regr )
+
+{ int h,l,r;
+
+ r = regr + cont_map[cont];
+
+ w2(4);
+ w0(r); cec4;
+ w2(6); l = r1();
+ w2(4); h = r1();
+ w2(4);
+
+ return j44(l,h);
+
+}
+
+static void frpw_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ w2(4); w0(r); cec4;
+ w0(val);
+ w2(5);w2(7);w2(5);w2(4);
+}
+
+static void frpw_read_block_int( PIA *pi, char * buf, int count, int regr )
+
+{ int h, l, k, ph;
+
+ switch(pi->mode) {
+
+ case 0: w2(4); w0(regr); cec4;
+ for (k=0;k<count;k++) {
+ w2(6); l = r1();
+ w2(4); h = r1();
+ buf[k] = j44(l,h);
+ }
+ w2(4);
+ break;
+
+ case 1: ph = 2;
+ w2(4); w0(regr + 0xc0); cec4;
+ w0(0xff);
+ for (k=0;k<count;k++) {
+ w2(0xa4 + ph);
+ buf[k] = r0();
+ ph = 2 - ph;
+ }
+ w2(0xac); w2(0xa4); w2(4);
+ break;
+
+ case 2: w2(4); w0(regr + 0x80); cec4;
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(0xac); w2(0xa4);
+ w2(4);
+ break;
+
+ case 3: w2(4); w0(regr + 0x80); cec4;
+ for (k=0;k<count-2;k++) buf[k] = r4();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 4: w2(4); w0(regr + 0x80); cec4;
+ for (k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ case 5: w2(4); w0(regr + 0x80); cec4;
+ for (k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
+ buf[count-4] = r4();
+ buf[count-3] = r4();
+ w2(0xac); w2(0xa4);
+ buf[count-2] = r4();
+ buf[count-1] = r4();
+ w2(4);
+ break;
+
+ }
+}
+
+static void frpw_read_block( PIA *pi, char * buf, int count)
+
+{ frpw_read_block_int(pi,buf,count,0x08);
+}
+
+static void frpw_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch(pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w2(4); w0(8); cec4; w2(5);
+ for (k=0;k<count;k++) {
+ w0(buf[k]);
+ w2(7);w2(5);
+ }
+ w2(4);
+ break;
+
+ case 3: w2(4); w0(0xc8); cec4; w2(5);
+ for (k=0;k<count;k++) w4(buf[k]);
+ w2(4);
+ break;
+
+ case 4: w2(4); w0(0xc8); cec4; w2(5);
+ for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
+ w2(4);
+ break;
+
+ case 5: w2(4); w0(0xc8); cec4; w2(5);
+ for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
+ w2(4);
+ break;
+ }
+}
+
+static void frpw_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(4);
+}
+
+static void frpw_disconnect ( PIA *pi )
+
+{ w2(4); w0(0x20); cec4;
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+/* Stub logic to see if PNP string is available - used to distinguish
+ between the Xilinx and ASIC implementations of the Freecom adapter.
+*/
+
+static int frpw_test_pnp ( PIA *pi )
+
+/* returns chip_type: 0 = Xilinx, 1 = ASIC */
+
+{ int olddelay, a, b;
+
+#ifdef FRPW_HARD_RESET
+ w0(0); w2(8); udelay(50); w2(0xc); /* parallel bus reset */
+ mdelay(1500);
+#endif
+
+ olddelay = pi->delay;
+ pi->delay = 10;
+
+ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ w2(4); w0(4); w2(6); w2(7);
+ a = r1() & 0xff; w2(4); b = r1() & 0xff;
+ w2(0xc); w2(0xe); w2(4);
+
+ pi->delay = olddelay;
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+
+ return ((~a&0x40) && (b&0x40));
+}
+
+/* We use the pi->private to remember the result of the PNP test.
+ To make this work, private = port*2 + chip. Yes, I know it's
+ a hack :-(
+*/
+
+static int frpw_test_proto( PIA *pi, char * scratch, int verbose )
+
+{ int j, k, r;
+ int e[2] = {0,0};
+
+ if ((pi->private>>1) != pi->port)
+ pi->private = frpw_test_pnp(pi) + 2*pi->port;
+
+ if (((pi->private%2) == 0) && (pi->mode > 2)) {
+ if (verbose)
+ printk("%s: frpw: Xilinx does not support mode %d\n",
+ pi->device, pi->mode);
+ return 1;
+ }
+
+ if (((pi->private%2) == 1) && (pi->mode == 2)) {
+ if (verbose)
+ printk("%s: frpw: ASIC does not support mode 2\n",
+ pi->device);
+ return 1;
+ }
+
+ frpw_connect(pi);
+ for (j=0;j<2;j++) {
+ frpw_write_regr(pi,0,6,0xa0+j*0x10);
+ for (k=0;k<256;k++) {
+ frpw_write_regr(pi,0,2,k^0xaa);
+ frpw_write_regr(pi,0,3,k^0x55);
+ if (frpw_read_regr(pi,0,2) != (k^0xaa)) e[j]++;
+ }
+ }
+ frpw_disconnect(pi);
+
+ frpw_connect(pi);
+ frpw_read_block_int(pi,scratch,512,0x10);
+ r = 0;
+ for (k=0;k<128;k++) if (scratch[k] != k) r++;
+ frpw_disconnect(pi);
+
+ if (verbose) {
+ printk("%s: frpw: port 0x%x, chip %ld, mode %d, test=(%d,%d,%d)\n",
+ pi->device,pi->port,(pi->private%2),pi->mode,e[0],e[1],r);
+ }
+
+ return (r || (e[0] && e[1]));
+}
+
+
+static void frpw_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[6] = {"4-bit","8-bit","EPP",
+ "EPP-8","EPP-16","EPP-32"};
+
+ printk("%s: frpw %s, Freecom (%s) adapter at 0x%x, ", pi->device,
+ FRPW_VERSION,((pi->private%2) == 0)?"Xilinx":"ASIC",pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol frpw = {
+ .owner = THIS_MODULE,
+ .name = "frpw",
+ .max_mode = 6,
+ .epp_first = 2,
+ .default_delay = 2,
+ .max_units = 1,
+ .write_regr = frpw_write_regr,
+ .read_regr = frpw_read_regr,
+ .write_block = frpw_write_block,
+ .read_block = frpw_read_block,
+ .connect = frpw_connect,
+ .disconnect = frpw_disconnect,
+ .test_proto = frpw_test_proto,
+ .log_adapter = frpw_log_adapter,
+};
+
+static int __init frpw_init(void)
+{
+ return paride_register(&frpw);
+}
+
+static void __exit frpw_exit(void)
+{
+ paride_unregister(&frpw);
+}
+
+MODULE_LICENSE("GPL");
+module_init(frpw_init)
+module_exit(frpw_exit)
--- /dev/null
+/*
+ kbic.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ This is a low-level driver for the KBIC-951A and KBIC-971A
+ parallel to IDE adapter chips from KingByte Information Systems.
+
+ The chips are almost identical, however, the wakeup code
+ required for the 971A interferes with the correct operation of
+ the 951A, so this driver registers itself twice, once for
+ each chip.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+
+*/
+
+#define KBIC_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define r12w() (delay_p,inw(pi->port+1)&0xffff)
+
+#define j44(a,b) ((((a>>4)&0x0f)|(b&0xf0))^0x88)
+#define j53(w) (((w>>3)&0x1f)|((w>>4)&0xe0))
+
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x80, 0x40 };
+
+static int kbic_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, s;
+
+ s = cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0: w0(regr|0x18|s); w2(4); w2(6); w2(4); w2(1); w0(8);
+ a = r1(); w0(0x28); b = r1(); w2(4);
+ return j44(a,b);
+
+ case 1: w0(regr|0x38|s); w2(4); w2(6); w2(4); w2(5); w0(8);
+ a = r12w(); w2(4);
+ return j53(a);
+
+ case 2: w0(regr|0x08|s); w2(4); w2(6); w2(4); w2(0xa5); w2(0xa1);
+ a = r0(); w2(4);
+ return a;
+
+ case 3:
+ case 4:
+ case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr);
+ a = r4(); b = r4(); w2(4); w2(0); w2(4);
+ return a;
+
+ }
+ return -1;
+}
+
+static void kbic_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int s;
+
+ s = cont_map[cont];
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w0(regr|0x10|s); w2(4); w2(6); w2(4);
+ w0(val); w2(5); w2(4);
+ break;
+
+ case 3:
+ case 4:
+ case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr);
+ w4(val); w4(val);
+ w2(4); w2(0); w2(4);
+ break;
+
+ }
+}
+
+static void k951_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(4);
+}
+
+static void k951_disconnect ( PIA *pi )
+
+{ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+#define CCP(x) w2(0xc4);w0(0xaa);w0(0x55);w0(0);w0(0xff);w0(0x87);\
+ w0(0x78);w0(x);w2(0xc5);w2(0xc4);w0(0xff);
+
+static void k971_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ CCP(0x20);
+ w2(4);
+}
+
+static void k971_disconnect ( PIA *pi )
+
+{ CCP(0x30);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+/* counts must be congruent to 0 MOD 4, but all known applications
+ have this property.
+*/
+
+static void kbic_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b;
+
+ switch (pi->mode) {
+
+ case 0: w0(0x98); w2(4); w2(6); w2(4);
+ for (k=0;k<count/2;k++) {
+ w2(1); w0(8); a = r1();
+ w0(0x28); b = r1();
+ buf[2*k] = j44(a,b);
+ w2(5); b = r1();
+ w0(8); a = r1();
+ buf[2*k+1] = j44(a,b);
+ w2(4);
+ }
+ break;
+
+ case 1: w0(0xb8); w2(4); w2(6); w2(4);
+ for (k=0;k<count/4;k++) {
+ w0(0xb8);
+ w2(4); w2(5);
+ w0(8); buf[4*k] = j53(r12w());
+ w0(0xb8); buf[4*k+1] = j53(r12w());
+ w2(4); w2(5);
+ buf[4*k+3] = j53(r12w());
+ w0(8); buf[4*k+2] = j53(r12w());
+ }
+ w2(4);
+ break;
+
+ case 2: w0(0x88); w2(4); w2(6); w2(4);
+ for (k=0;k<count/2;k++) {
+ w2(0xa0); w2(0xa1); buf[2*k] = r0();
+ w2(0xa5); buf[2*k+1] = r0();
+ }
+ w2(4);
+ break;
+
+ case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(4); w2(0); w2(4);
+ break;
+
+ case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
+ w2(4); w2(0); w2(4);
+ break;
+
+ case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
+ w2(4); w2(0); w2(4);
+ break;
+
+
+ }
+}
+
+static void kbic_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1:
+ case 2: w0(0x90); w2(4); w2(6); w2(4);
+ for(k=0;k<count/2;k++) {
+ w0(buf[2*k+1]); w2(0); w2(4);
+ w0(buf[2*k]); w2(5); w2(4);
+ }
+ break;
+
+ case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for(k=0;k<count/2;k++) {
+ w4(buf[2*k+1]);
+ w4(buf[2*k]);
+ }
+ w2(4); w2(0); w2(4);
+ break;
+
+ case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for(k=0;k<count/2;k++) w4w(pi_swab16(buf,k));
+ w2(4); w2(0); w2(4);
+ break;
+
+ case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
+ for(k=0;k<count/4;k++) w4l(pi_swab32(buf,k));
+ w2(4); w2(0); w2(4);
+ break;
+
+ }
+
+}
+
+static void kbic_log_adapter( PIA *pi, char * scratch,
+ int verbose, char * chip )
+
+{ char *mode_string[6] = {"4-bit","5/3","8-bit",
+ "EPP-8","EPP_16","EPP-32"};
+
+ printk("%s: kbic %s, KingByte %s at 0x%x, ",
+ pi->device,KBIC_VERSION,chip,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static void k951_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ kbic_log_adapter(pi,scratch,verbose,"KBIC-951A");
+}
+
+static void k971_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ kbic_log_adapter(pi,scratch,verbose,"KBIC-971A");
+}
+
+static struct pi_protocol k951 = {
+ .owner = THIS_MODULE,
+ .name = "k951",
+ .max_mode = 6,
+ .epp_first = 3,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = kbic_write_regr,
+ .read_regr = kbic_read_regr,
+ .write_block = kbic_write_block,
+ .read_block = kbic_read_block,
+ .connect = k951_connect,
+ .disconnect = k951_disconnect,
+ .log_adapter = k951_log_adapter,
+};
+
+static struct pi_protocol k971 = {
+ .owner = THIS_MODULE,
+ .name = "k971",
+ .max_mode = 6,
+ .epp_first = 3,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = kbic_write_regr,
+ .read_regr = kbic_read_regr,
+ .write_block = kbic_write_block,
+ .read_block = kbic_read_block,
+ .connect = k971_connect,
+ .disconnect = k971_disconnect,
+ .log_adapter = k971_log_adapter,
+};
+
+static int __init kbic_init(void)
+{
+ int rv;
+
+ rv = paride_register(&k951);
+ if (rv < 0)
+ return rv;
+ rv = paride_register(&k971);
+ if (rv < 0)
+ paride_unregister(&k951);
+ return rv;
+}
+
+static void __exit kbic_exit(void)
+{
+ paride_unregister(&k951);
+ paride_unregister(&k971);
+}
+
+MODULE_LICENSE("GPL");
+module_init(kbic_init)
+module_exit(kbic_exit)
--- /dev/null
+/*
+ ktti.c (c) 1998 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ ktti.c is a low-level protocol driver for the KT Technology
+ parallel port adapter. This adapter is used in the "PHd"
+ portable hard-drives. As far as I can tell, this device
+ supports 4-bit mode _only_.
+
+*/
+
+#define KTTI_VERSION "1.0"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int cont_map[2] = { 0x10, 0x08 };
+
+static void ktti_write_regr( PIA *pi, int cont, int regr, int val)
+
+{ int r;
+
+ r = regr + cont_map[cont];
+
+ w0(r); w2(0xb); w2(0xa); w2(3); w2(6);
+ w0(val); w2(3); w0(0); w2(6); w2(0xb);
+}
+
+static int ktti_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ r = regr + cont_map[cont];
+
+ w0(r); w2(0xb); w2(0xa); w2(9); w2(0xc); w2(9);
+ a = r1(); w2(0xc); b = r1(); w2(9); w2(0xc); w2(9);
+ return j44(a,b);
+
+}
+
+static void ktti_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b;
+
+ for (k=0;k<count/2;k++) {
+ w0(0x10); w2(0xb); w2(0xa); w2(9); w2(0xc); w2(9);
+ a = r1(); w2(0xc); b = r1(); w2(9);
+ buf[2*k] = j44(a,b);
+ a = r1(); w2(0xc); b = r1(); w2(9);
+ buf[2*k+1] = j44(a,b);
+ }
+}
+
+static void ktti_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ for (k=0;k<count/2;k++) {
+ w0(0x10); w2(0xb); w2(0xa); w2(3); w2(6);
+ w0(buf[2*k]); w2(3);
+ w0(buf[2*k+1]); w2(6);
+ w2(0xb);
+ }
+}
+
+static void ktti_connect ( PIA *pi )
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+ w2(0xb); w2(0xa); w0(0); w2(3); w2(6);
+}
+
+static void ktti_disconnect ( PIA *pi )
+
+{ w2(0xb); w2(0xa); w0(0xa0); w2(3); w2(4);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void ktti_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ printk("%s: ktti %s, KT adapter at 0x%x, delay %d\n",
+ pi->device,KTTI_VERSION,pi->port,pi->delay);
+
+}
+
+static struct pi_protocol ktti = {
+ .owner = THIS_MODULE,
+ .name = "ktti",
+ .max_mode = 1,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = ktti_write_regr,
+ .read_regr = ktti_read_regr,
+ .write_block = ktti_write_block,
+ .read_block = ktti_read_block,
+ .connect = ktti_connect,
+ .disconnect = ktti_disconnect,
+ .log_adapter = ktti_log_adapter,
+};
+
+static int __init ktti_init(void)
+{
+ return paride_register(&ktti);
+}
+
+static void __exit ktti_exit(void)
+{
+ paride_unregister(&ktti);
+}
+
+MODULE_LICENSE("GPL");
+module_init(ktti_init)
+module_exit(ktti_exit)
--- /dev/null
+/*
+ on20.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ on20.c is a low-level protocol driver for the
+ Onspec 90c20 parallel to IDE adapter.
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+
+*/
+
+#define ON20_VERSION "1.01"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+#define op(f) w2(4);w0(f);w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4);
+#define vl(v) w2(4);w0(v);w2(5);w2(7);w2(5);w2(4);
+
+#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int on20_read_regr( PIA *pi, int cont, int regr )
+
+{ int h,l, r ;
+
+ r = (regr<<2) + 1 + cont;
+
+ op(1); vl(r); op(0);
+
+ switch (pi->mode) {
+
+ case 0: w2(4); w2(6); l = r1();
+ w2(4); w2(6); h = r1();
+ w2(4); w2(6); w2(4); w2(6); w2(4);
+ return j44(l,h);
+
+ case 1: w2(4); w2(0x26); r = r0();
+ w2(4); w2(0x26); w2(4);
+ return r;
+
+ }
+ return -1;
+}
+
+static void on20_write_regr( PIA *pi, int cont, int regr, int val )
+
+{ int r;
+
+ r = (regr<<2) + 1 + cont;
+
+ op(1); vl(r);
+ op(0); vl(val);
+ op(0); vl(val);
+}
+
+static void on20_connect ( PIA *pi)
+
+{ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ w2(4);w0(0);w2(0xc);w2(4);w2(6);w2(4);w2(6);w2(4);
+ if (pi->mode) { op(2); vl(8); op(2); vl(9); }
+ else { op(2); vl(0); op(2); vl(8); }
+}
+
+static void on20_disconnect ( PIA *pi )
+
+{ w2(4);w0(7);w2(4);w2(0xc);w2(4);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+static void on20_read_block( PIA *pi, char * buf, int count )
+
+{ int k, l, h;
+
+ op(1); vl(1); op(0);
+
+ for (k=0;k<count;k++)
+ if (pi->mode) {
+ w2(4); w2(0x26); buf[k] = r0();
+ } else {
+ w2(6); l = r1(); w2(4);
+ w2(6); h = r1(); w2(4);
+ buf[k] = j44(l,h);
+ }
+ w2(4);
+}
+
+static void on20_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ op(1); vl(1); op(0);
+
+ for (k=0;k<count;k++) { w2(5); w0(buf[k]); w2(7); }
+ w2(4);
+}
+
+static void on20_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[2] = {"4-bit","8-bit"};
+
+ printk("%s: on20 %s, OnSpec 90c20 at 0x%x, ",
+ pi->device,ON20_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol on20 = {
+ .owner = THIS_MODULE,
+ .name = "on20",
+ .max_mode = 2,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = on20_write_regr,
+ .read_regr = on20_read_regr,
+ .write_block = on20_write_block,
+ .read_block = on20_read_block,
+ .connect = on20_connect,
+ .disconnect = on20_disconnect,
+ .log_adapter = on20_log_adapter,
+};
+
+static int __init on20_init(void)
+{
+ return paride_register(&on20);
+}
+
+static void __exit on20_exit(void)
+{
+ paride_unregister(&on20);
+}
+
+MODULE_LICENSE("GPL");
+module_init(on20_init)
+module_exit(on20_exit)
--- /dev/null
+/*
+ on26.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
+ Under the terms of the GNU General Public License.
+
+ on26.c is a low-level protocol driver for the
+ OnSpec 90c26 parallel to IDE adapter chip.
+
+*/
+
+/* Changes:
+
+ 1.01 GRG 1998.05.06 init_proto, release_proto
+ 1.02 GRG 1998.09.23 updates for the -E rev chip
+ 1.03 GRG 1998.12.14 fix for slave drives
+ 1.04 GRG 1998.12.20 yet another bug fix
+
+*/
+
+#define ON26_VERSION "1.04"
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <asm/io.h>
+
+#include <linux/pata_parport.h>
+
+/* mode codes: 0 nybble reads, 8-bit writes
+ 1 8-bit reads and writes
+ 2 8-bit EPP mode
+ 3 EPP-16
+ 4 EPP-32
+*/
+
+#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
+
+#define P1 w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4);
+#define P2 w2(5);w2(7);w2(5);w2(4);
+
+/* cont = 0 - access the IDE register file
+ cont = 1 - access the IDE command set
+*/
+
+static int on26_read_regr( PIA *pi, int cont, int regr )
+
+{ int a, b, r;
+
+ r = (regr<<2) + 1 + cont;
+
+ switch (pi->mode) {
+
+ case 0: w0(1); P1; w0(r); P2; w0(0); P1;
+ w2(6); a = r1(); w2(4);
+ w2(6); b = r1(); w2(4);
+ w2(6); w2(4); w2(6); w2(4);
+ return j44(a,b);
+
+ case 1: w0(1); P1; w0(r); P2; w0(0); P1;
+ w2(0x26); a = r0(); w2(4); w2(0x26); w2(4);
+ return a;
+
+ case 2:
+ case 3:
+ case 4: w3(1); w3(1); w2(5); w4(r); w2(4);
+ w3(0); w3(0); w2(0x24); a = r4(); w2(4);
+ w2(0x24); (void)r4(); w2(4);
+ return a;
+
+ }
+ return -1;
+}
+
+static void on26_write_regr( PIA *pi, int cont, int regr, int val )
+
+{ int r;
+
+ r = (regr<<2) + 1 + cont;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(1); P1; w0(r); P2; w0(0); P1;
+ w0(val); P2; w0(val); P2;
+ break;
+
+ case 2:
+ case 3:
+ case 4: w3(1); w3(1); w2(5); w4(r); w2(4);
+ w3(0); w3(0);
+ w2(5); w4(val); w2(4);
+ w2(5); w4(val); w2(4);
+ break;
+ }
+}
+
+#define CCP(x) w0(0xfe);w0(0xaa);w0(0x55);w0(0);w0(0xff);\
+ w0(0x87);w0(0x78);w0(x);w2(4);w2(5);w2(4);w0(0xff);
+
+static void on26_connect ( PIA *pi )
+
+{ int x;
+
+ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ CCP(0x20);
+ x = 8; if (pi->mode) x = 9;
+
+ w0(2); P1; w0(8); P2;
+ w0(2); P1; w0(x); P2;
+}
+
+static void on26_disconnect ( PIA *pi )
+
+{ if (pi->mode >= 2) { w3(4); w3(4); w3(4); w3(4); }
+ else { w0(4); P1; w0(4); P1; }
+ CCP(0x30);
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+}
+
+#define RESET_WAIT 200
+
+static int on26_test_port( PIA *pi) /* hard reset */
+
+{ int i, m, d, x=0, y=0;
+
+ pi->saved_r0 = r0();
+ pi->saved_r2 = r2();
+
+ d = pi->delay;
+ m = pi->mode;
+ pi->delay = 5;
+ pi->mode = 0;
+
+ w2(0xc);
+
+ CCP(0x30); CCP(0);
+
+ w0(0xfe);w0(0xaa);w0(0x55);w0(0);w0(0xff);
+ i = ((r1() & 0xf0) << 4); w0(0x87);
+ i |= (r1() & 0xf0); w0(0x78);
+ w0(0x20);w2(4);w2(5);
+ i |= ((r1() & 0xf0) >> 4);
+ w2(4);w0(0xff);
+
+ if (i == 0xb5f) {
+
+ w0(2); P1; w0(0); P2;
+ w0(3); P1; w0(0); P2;
+ w0(2); P1; w0(8); P2; udelay(100);
+ w0(2); P1; w0(0xa); P2; udelay(100);
+ w0(2); P1; w0(8); P2; udelay(1000);
+
+ on26_write_regr(pi,0,6,0xa0);
+
+ for (i=0;i<RESET_WAIT;i++) {
+ on26_write_regr(pi,0,6,0xa0);
+ x = on26_read_regr(pi,0,7);
+ on26_write_regr(pi,0,6,0xb0);
+ y = on26_read_regr(pi,0,7);
+ if (!((x&0x80)||(y&0x80))) break;
+ mdelay(100);
+ }
+
+ if (i == RESET_WAIT)
+ printk("on26: Device reset failed (%x,%x)\n",x,y);
+
+ w0(4); P1; w0(4); P1;
+ }
+
+ CCP(0x30);
+
+ pi->delay = d;
+ pi->mode = m;
+ w0(pi->saved_r0);
+ w2(pi->saved_r2);
+
+ return 5;
+}
+
+
+static void on26_read_block( PIA *pi, char * buf, int count )
+
+{ int k, a, b;
+
+ switch (pi->mode) {
+
+ case 0: w0(1); P1; w0(1); P2; w0(2); P1; w0(0x18); P2; w0(0); P1;
+ udelay(10);
+ for (k=0;k<count;k++) {
+ w2(6); a = r1();
+ w2(4); b = r1();
+ buf[k] = j44(a,b);
+ }
+ w0(2); P1; w0(8); P2;
+ break;
+
+ case 1: w0(1); P1; w0(1); P2; w0(2); P1; w0(0x19); P2; w0(0); P1;
+ udelay(10);
+ for (k=0;k<count/2;k++) {
+ w2(0x26); buf[2*k] = r0();
+ w2(0x24); buf[2*k+1] = r0();
+ }
+ w0(2); P1; w0(9); P2;
+ break;
+
+ case 2: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0x24);
+ udelay(10);
+ for (k=0;k<count;k++) buf[k] = r4();
+ w2(4);
+ break;
+
+ case 3: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0x24);
+ udelay(10);
+ for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
+ w2(4);
+ break;
+
+ case 4: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0x24);
+ udelay(10);
+ for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
+ w2(4);
+ break;
+
+ }
+}
+
+static void on26_write_block( PIA *pi, char * buf, int count )
+
+{ int k;
+
+ switch (pi->mode) {
+
+ case 0:
+ case 1: w0(1); P1; w0(1); P2;
+ w0(2); P1; w0(0x18+pi->mode); P2; w0(0); P1;
+ udelay(10);
+ for (k=0;k<count/2;k++) {
+ w2(5); w0(buf[2*k]);
+ w2(7); w0(buf[2*k+1]);
+ }
+ w2(5); w2(4);
+ w0(2); P1; w0(8+pi->mode); P2;
+ break;
+
+ case 2: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0xc5);
+ udelay(10);
+ for (k=0;k<count;k++) w4(buf[k]);
+ w2(0xc4);
+ break;
+
+ case 3: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0xc5);
+ udelay(10);
+ for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
+ w2(0xc4);
+ break;
+
+ case 4: w3(1); w3(1); w2(5); w4(1); w2(4);
+ w3(0); w3(0); w2(0xc5);
+ udelay(10);
+ for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
+ w2(0xc4);
+ break;
+
+ }
+
+}
+
+static void on26_log_adapter( PIA *pi, char * scratch, int verbose )
+
+{ char *mode_string[5] = {"4-bit","8-bit","EPP-8",
+ "EPP-16","EPP-32"};
+
+ printk("%s: on26 %s, OnSpec 90c26 at 0x%x, ",
+ pi->device,ON26_VERSION,pi->port);
+ printk("mode %d (%s), delay %d\n",pi->mode,
+ mode_string[pi->mode],pi->delay);
+
+}
+
+static struct pi_protocol on26 = {
+ .owner = THIS_MODULE,
+ .name = "on26",
+ .max_mode = 5,
+ .epp_first = 2,
+ .default_delay = 1,
+ .max_units = 1,
+ .write_regr = on26_write_regr,
+ .read_regr = on26_read_regr,
+ .write_block = on26_write_block,
+ .read_block = on26_read_block,
+ .connect = on26_connect,
+ .disconnect = on26_disconnect,
+ .test_port = on26_test_port,
+ .log_adapter = on26_log_adapter,
+};
+
+static int __init on26_init(void)
+{
+ return paride_register(&on26);
+}
+
+static void __exit on26_exit(void)
+{
+ paride_unregister(&on26);
+}
+
+MODULE_LICENSE("GPL");
+module_init(on26_init)
+module_exit(on26_exit)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2023 Ondrej Zary
+ * based on paride.c by Grant R. Guenther <grant@torque.net>
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/parport.h>
+#include <linux/pata_parport.h>
+
+#define DRV_NAME "pata_parport"
+
+static DEFINE_IDR(parport_list);
+static DEFINE_IDR(protocols);
+static DEFINE_IDA(pata_parport_bus_dev_ids);
+static DEFINE_MUTEX(pi_mutex);
+
+static bool probe = true;
+module_param(probe, bool, 0644);
+MODULE_PARM_DESC(probe, "Enable automatic device probing (0=off, 1=on [default])");
+
+/*
+ * libata drivers cannot sleep so this driver claims parport before activating
+ * the ata host and keeps it claimed (and protocol connected) until the ata
+ * host is removed. Unfortunately, this means that you cannot use any chained
+ * devices (neither other pata_parport devices nor a printer).
+ */
+static void pi_connect(struct pi_adapter *pi)
+{
+ parport_claim_or_block(pi->pardev);
+ pi->proto->connect(pi);
+}
+
+static void pi_disconnect(struct pi_adapter *pi)
+{
+ pi->proto->disconnect(pi);
+ parport_release(pi->pardev);
+}
+
+static void pata_parport_dev_select(struct ata_port *ap, unsigned int device)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+ u8 tmp;
+
+ if (device == 0)
+ tmp = ATA_DEVICE_OBS;
+ else
+ tmp = ATA_DEVICE_OBS | ATA_DEV1;
+
+ pi->proto->write_regr(pi, 0, ATA_REG_DEVICE, tmp);
+ ata_sff_pause(ap);
+}
+
+static bool pata_parport_devchk(struct ata_port *ap, unsigned int device)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+ u8 nsect, lbal;
+
+ pata_parport_dev_select(ap, device);
+
+ pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 0x55);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0xaa);
+
+ pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 0xaa);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0x55);
+
+ pi->proto->write_regr(pi, 0, ATA_REG_NSECT, 055);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAL, 0xaa);
+
+ nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
+ lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
+
+ return (nsect == 0x55) && (lbal == 0xaa);
+}
+
+static int pata_parport_bus_softreset(struct ata_port *ap, unsigned int devmask,
+ unsigned long deadline)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ /* software reset. causes dev0 to be selected */
+ pi->proto->write_regr(pi, 1, 6, ap->ctl);
+ udelay(20);
+ pi->proto->write_regr(pi, 1, 6, ap->ctl | ATA_SRST);
+ udelay(20);
+ pi->proto->write_regr(pi, 1, 6, ap->ctl);
+ ap->last_ctl = ap->ctl;
+
+ /* wait the port to become ready */
+ return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
+}
+
+static int pata_parport_softreset(struct ata_link *link, unsigned int *classes,
+ unsigned long deadline)
+{
+ struct ata_port *ap = link->ap;
+ unsigned int devmask = 0;
+ int rc;
+ u8 err;
+
+ /* determine if device 0/1 are present */
+ if (pata_parport_devchk(ap, 0))
+ devmask |= (1 << 0);
+ if (pata_parport_devchk(ap, 1))
+ devmask |= (1 << 1);
+
+ /* select device 0 again */
+ pata_parport_dev_select(ap, 0);
+
+ /* issue bus reset */
+ rc = pata_parport_bus_softreset(ap, devmask, deadline);
+ if (rc && rc != -ENODEV) {
+ ata_link_err(link, "SRST failed (errno=%d)\n", rc);
+ return rc;
+ }
+
+ /* determine by signature whether we have ATA or ATAPI devices */
+ classes[0] = ata_sff_dev_classify(&link->device[0],
+ devmask & (1 << 0), &err);
+ if (err != 0x81)
+ classes[1] = ata_sff_dev_classify(&link->device[1],
+ devmask & (1 << 1), &err);
+
+ return 0;
+}
+
+static u8 pata_parport_check_status(struct ata_port *ap)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ return pi->proto->read_regr(pi, 0, ATA_REG_STATUS);
+}
+
+static u8 pata_parport_check_altstatus(struct ata_port *ap)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ return pi->proto->read_regr(pi, 1, 6);
+}
+
+static void pata_parport_tf_load(struct ata_port *ap,
+ const struct ata_taskfile *tf)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ if (tf->ctl != ap->last_ctl) {
+ pi->proto->write_regr(pi, 1, 6, tf->ctl);
+ ap->last_ctl = tf->ctl;
+ ata_wait_idle(ap);
+ }
+
+ if (tf->flags & ATA_TFLAG_ISADDR) {
+ if (tf->flags & ATA_TFLAG_LBA48) {
+ pi->proto->write_regr(pi, 0, ATA_REG_FEATURE,
+ tf->hob_feature);
+ pi->proto->write_regr(pi, 0, ATA_REG_NSECT,
+ tf->hob_nsect);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAL,
+ tf->hob_lbal);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAM,
+ tf->hob_lbam);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAH,
+ tf->hob_lbah);
+ }
+ pi->proto->write_regr(pi, 0, ATA_REG_FEATURE, tf->feature);
+ pi->proto->write_regr(pi, 0, ATA_REG_NSECT, tf->nsect);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAL, tf->lbal);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAM, tf->lbam);
+ pi->proto->write_regr(pi, 0, ATA_REG_LBAH, tf->lbah);
+ }
+
+ if (tf->flags & ATA_TFLAG_DEVICE)
+ pi->proto->write_regr(pi, 0, ATA_REG_DEVICE, tf->device);
+
+ ata_wait_idle(ap);
+}
+
+static void pata_parport_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ tf->status = pi->proto->read_regr(pi, 0, ATA_REG_STATUS);
+ tf->error = pi->proto->read_regr(pi, 0, ATA_REG_ERR);
+ tf->nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
+ tf->lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
+ tf->lbam = pi->proto->read_regr(pi, 0, ATA_REG_LBAM);
+ tf->lbah = pi->proto->read_regr(pi, 0, ATA_REG_LBAH);
+ tf->device = pi->proto->read_regr(pi, 0, ATA_REG_DEVICE);
+
+ if (tf->flags & ATA_TFLAG_LBA48) {
+ pi->proto->write_regr(pi, 1, 6, tf->ctl | ATA_HOB);
+ tf->hob_feature = pi->proto->read_regr(pi, 0, ATA_REG_ERR);
+ tf->hob_nsect = pi->proto->read_regr(pi, 0, ATA_REG_NSECT);
+ tf->hob_lbal = pi->proto->read_regr(pi, 0, ATA_REG_LBAL);
+ tf->hob_lbam = pi->proto->read_regr(pi, 0, ATA_REG_LBAM);
+ tf->hob_lbah = pi->proto->read_regr(pi, 0, ATA_REG_LBAH);
+ pi->proto->write_regr(pi, 1, 6, tf->ctl);
+ ap->last_ctl = tf->ctl;
+ }
+}
+
+static void pata_parport_exec_command(struct ata_port *ap,
+ const struct ata_taskfile *tf)
+{
+ struct pi_adapter *pi = ap->host->private_data;
+
+ pi->proto->write_regr(pi, 0, ATA_REG_CMD, tf->command);
+ ata_sff_pause(ap);
+}
+
+static unsigned int pata_parport_data_xfer(struct ata_queued_cmd *qc,
+ unsigned char *buf, unsigned int buflen, int rw)
+{
+ struct ata_port *ap = qc->dev->link->ap;
+ struct pi_adapter *pi = ap->host->private_data;
+
+ if (rw == READ)
+ pi->proto->read_block(pi, buf, buflen);
+ else
+ pi->proto->write_block(pi, buf, buflen);
+
+ return buflen;
+}
+
+static void pata_parport_drain_fifo(struct ata_queued_cmd *qc)
+{
+ int count;
+ struct ata_port *ap;
+ struct pi_adapter *pi;
+ char junk[2];
+
+ /* We only need to flush incoming data when a command was running */
+ if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
+ return;
+
+ ap = qc->ap;
+ pi = ap->host->private_data;
+ /* Drain up to 64K of data before we give up this recovery method */
+ for (count = 0; (pata_parport_check_status(ap) & ATA_DRQ)
+ && count < 65536; count += 2) {
+ pi->proto->read_block(pi, junk, 2);
+ }
+
+ if (count)
+ ata_port_dbg(ap, "drained %d bytes to clear DRQ\n", count);
+}
+
+static struct ata_port_operations pata_parport_port_ops = {
+ .inherits = &ata_sff_port_ops,
+
+ .softreset = pata_parport_softreset,
+ .hardreset = NULL,
+
+ .sff_dev_select = pata_parport_dev_select,
+ .sff_check_status = pata_parport_check_status,
+ .sff_check_altstatus = pata_parport_check_altstatus,
+ .sff_tf_load = pata_parport_tf_load,
+ .sff_tf_read = pata_parport_tf_read,
+ .sff_exec_command = pata_parport_exec_command,
+ .sff_data_xfer = pata_parport_data_xfer,
+ .sff_drain_fifo = pata_parport_drain_fifo,
+};
+
+static const struct ata_port_info pata_parport_port_info = {
+ .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING,
+ .pio_mask = ATA_PIO0,
+ /* No DMA */
+ .port_ops = &pata_parport_port_ops,
+};
+
+static void pi_release(struct pi_adapter *pi)
+{
+ parport_unregister_device(pi->pardev);
+ if (pi->proto->release_proto)
+ pi->proto->release_proto(pi);
+ module_put(pi->proto->owner);
+}
+
+static int default_test_proto(struct pi_adapter *pi, char *scratch)
+{
+ int j, k;
+ int e[2] = { 0, 0 };
+
+ pi->proto->connect(pi);
+
+ for (j = 0; j < 2; j++) {
+ pi->proto->write_regr(pi, 0, 6, 0xa0 + j * 0x10);
+ for (k = 0; k < 256; k++) {
+ pi->proto->write_regr(pi, 0, 2, k ^ 0xaa);
+ pi->proto->write_regr(pi, 0, 3, k ^ 0x55);
+ if (pi->proto->read_regr(pi, 0, 2) != (k ^ 0xaa))
+ e[j]++;
+ }
+ }
+ pi->proto->disconnect(pi);
+
+ dev_dbg(&pi->dev, "%s: port 0x%x, mode %d, test=(%d,%d)\n",
+ pi->proto->name, pi->port, pi->mode, e[0], e[1]);
+
+ return e[0] && e[1]; /* not here if both > 0 */
+}
+
+static int pi_test_proto(struct pi_adapter *pi, char *scratch)
+{
+ int res;
+
+ parport_claim_or_block(pi->pardev);
+ if (pi->proto->test_proto)
+ res = pi->proto->test_proto(pi, scratch, 1);
+ else
+ res = default_test_proto(pi, scratch);
+ parport_release(pi->pardev);
+
+ return res;
+}
+
+static bool pi_probe_mode(struct pi_adapter *pi, int max, char *scratch)
+{
+ int best, range;
+
+ if (pi->mode != -1) {
+ if (pi->mode >= max)
+ return false;
+ range = 3;
+ if (pi->mode >= pi->proto->epp_first)
+ range = 8;
+ if (range == 8 && pi->port % 8)
+ return false;
+ return !pi_test_proto(pi, scratch);
+ }
+ best = -1;
+ for (pi->mode = 0; pi->mode < max; pi->mode++) {
+ range = 3;
+ if (pi->mode >= pi->proto->epp_first)
+ range = 8;
+ if (range == 8 && pi->port % 8)
+ break;
+ if (!pi_test_proto(pi, scratch))
+ best = pi->mode;
+ }
+ pi->mode = best;
+ return best > -1;
+}
+
+static bool pi_probe_unit(struct pi_adapter *pi, int unit, char *scratch)
+{
+ int max, s, e;
+
+ s = unit;
+ e = s + 1;
+
+ if (s == -1) {
+ s = 0;
+ e = pi->proto->max_units;
+ }
+
+ if (pi->proto->test_port) {
+ parport_claim_or_block(pi->pardev);
+ max = pi->proto->test_port(pi);
+ parport_release(pi->pardev);
+ } else {
+ max = pi->proto->max_mode;
+ }
+
+ if (pi->proto->probe_unit) {
+ parport_claim_or_block(pi->pardev);
+ for (pi->unit = s; pi->unit < e; pi->unit++) {
+ if (pi->proto->probe_unit(pi)) {
+ parport_release(pi->pardev);
+ return pi_probe_mode(pi, max, scratch);
+ }
+ }
+ parport_release(pi->pardev);
+ return false;
+ }
+
+ return pi_probe_mode(pi, max, scratch);
+}
+
+static void pata_parport_dev_release(struct device *dev)
+{
+ struct pi_adapter *pi = container_of(dev, struct pi_adapter, dev);
+
+ kfree(pi);
+}
+
+static void pata_parport_bus_release(struct device *dev)
+{
+ /* nothing to do here but required to avoid warning on device removal */
+}
+
+static struct bus_type pata_parport_bus_type = {
+ .name = DRV_NAME,
+};
+
+static struct device pata_parport_bus = {
+ .init_name = DRV_NAME,
+ .release = pata_parport_bus_release,
+};
+
+static struct scsi_host_template pata_parport_sht = {
+ PATA_PARPORT_SHT("pata_parport")
+};
+
+struct pi_device_match {
+ struct parport *parport;
+ struct pi_protocol *proto;
+};
+
+static int pi_find_dev(struct device *dev, void *data)
+{
+ struct pi_adapter *pi = container_of(dev, struct pi_adapter, dev);
+ struct pi_device_match *match = data;
+
+ return pi->pardev->port == match->parport && pi->proto == match->proto;
+}
+
+static struct pi_adapter *pi_init_one(struct parport *parport,
+ struct pi_protocol *pr, int mode, int unit, int delay)
+{
+ struct pardev_cb par_cb = { };
+ char scratch[512];
+ const struct ata_port_info *ppi[] = { &pata_parport_port_info };
+ struct ata_host *host;
+ struct pi_adapter *pi;
+ struct pi_device_match match = { .parport = parport, .proto = pr };
+
+ /*
+ * Abort if there's a device already registered on the same parport
+ * using the same protocol.
+ */
+ if (bus_for_each_dev(&pata_parport_bus_type, NULL, &match, pi_find_dev))
+ return NULL;
+
+ pi = kzalloc(sizeof(struct pi_adapter), GFP_KERNEL);
+ if (!pi)
+ return NULL;
+
+ /* set up pi->dev before pi_probe_unit() so it can use dev_printk() */
+ pi->dev.parent = &pata_parport_bus;
+ pi->dev.bus = &pata_parport_bus_type;
+ pi->dev.driver = &pr->driver;
+ pi->dev.release = pata_parport_dev_release;
+ pi->dev.id = ida_alloc(&pata_parport_bus_dev_ids, GFP_KERNEL);
+ if (pi->dev.id < 0)
+ return NULL; /* pata_parport_dev_release will do kfree(pi) */
+ dev_set_name(&pi->dev, "pata_parport.%u", pi->dev.id);
+ if (device_register(&pi->dev)) {
+ put_device(&pi->dev);
+ goto out_ida_free;
+ }
+
+ pi->proto = pr;
+
+ if (!try_module_get(pi->proto->owner))
+ goto out_unreg_dev;
+ if (pi->proto->init_proto && pi->proto->init_proto(pi) < 0)
+ goto out_module_put;
+
+ pi->delay = (delay == -1) ? pi->proto->default_delay : delay;
+ pi->mode = mode;
+ pi->port = parport->base;
+
+ par_cb.private = pi;
+ pi->pardev = parport_register_dev_model(parport, DRV_NAME, &par_cb,
+ pi->dev.id);
+ if (!pi->pardev)
+ goto out_module_put;
+
+ if (!pi_probe_unit(pi, unit, scratch)) {
+ dev_info(&pi->dev, "Adapter not found\n");
+ goto out_unreg_parport;
+ }
+
+ pi->proto->log_adapter(pi, scratch, 1);
+
+ host = ata_host_alloc_pinfo(&pi->pardev->dev, ppi, 1);
+ if (!host)
+ goto out_unreg_parport;
+ dev_set_drvdata(&pi->dev, host);
+ host->private_data = pi;
+
+ ata_port_desc(host->ports[0], "port %s", pi->pardev->port->name);
+ ata_port_desc(host->ports[0], "protocol %s", pi->proto->name);
+
+ pi_connect(pi);
+ if (ata_host_activate(host, 0, NULL, 0, &pata_parport_sht))
+ goto out_unreg_parport;
+
+ return pi;
+
+out_unreg_parport:
+ pi_disconnect(pi);
+ parport_unregister_device(pi->pardev);
+ if (pi->proto->release_proto)
+ pi->proto->release_proto(pi);
+out_module_put:
+ module_put(pi->proto->owner);
+out_unreg_dev:
+ device_unregister(&pi->dev);
+out_ida_free:
+ ida_free(&pata_parport_bus_dev_ids, pi->dev.id);
+ return NULL;
+}
+
+int pata_parport_register_driver(struct pi_protocol *pr)
+{
+ int error;
+ struct parport *parport;
+ int port_num;
+
+ pr->driver.bus = &pata_parport_bus_type;
+ pr->driver.name = pr->name;
+ error = driver_register(&pr->driver);
+ if (error)
+ return error;
+
+ mutex_lock(&pi_mutex);
+ error = idr_alloc(&protocols, pr, 0, 0, GFP_KERNEL);
+ if (error < 0) {
+ driver_unregister(&pr->driver);
+ mutex_unlock(&pi_mutex);
+ return error;
+ }
+
+ pr_info("pata_parport: protocol %s registered\n", pr->name);
+
+ if (probe) {
+ /* probe all parports using this protocol */
+ idr_for_each_entry(&parport_list, parport, port_num)
+ pi_init_one(parport, pr, -1, 0, -1);
+ }
+ mutex_unlock(&pi_mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pata_parport_register_driver);
+
+void pata_parport_unregister_driver(struct pi_protocol *pr)
+{
+ struct pi_protocol *pr_iter;
+ int id = -1;
+
+ mutex_lock(&pi_mutex);
+ idr_for_each_entry(&protocols, pr_iter, id) {
+ if (pr_iter == pr)
+ break;
+ }
+ idr_remove(&protocols, id);
+ mutex_unlock(&pi_mutex);
+ driver_unregister(&pr->driver);
+}
+EXPORT_SYMBOL_GPL(pata_parport_unregister_driver);
+
+static ssize_t new_device_store(struct bus_type *bus, const char *buf,
+ size_t count)
+{
+ char port[12] = "auto";
+ char protocol[8] = "auto";
+ int mode = -1, unit = -1, delay = -1;
+ struct pi_protocol *pr, *pr_wanted;
+ struct device_driver *drv;
+ struct parport *parport;
+ int port_num, port_wanted, pr_num;
+ bool ok = false;
+
+ if (sscanf(buf, "%11s %7s %d %d %d",
+ port, protocol, &mode, &unit, &delay) < 1)
+ return -EINVAL;
+
+ if (sscanf(port, "parport%u", &port_wanted) < 1) {
+ if (strcmp(port, "auto")) {
+ pr_err("invalid port name %s\n", port);
+ return -EINVAL;
+ }
+ port_wanted = -1;
+ }
+
+ drv = driver_find(protocol, &pata_parport_bus_type);
+ if (!drv) {
+ if (strcmp(protocol, "auto")) {
+ pr_err("protocol %s not found\n", protocol);
+ return -EINVAL;
+ }
+ pr_wanted = NULL;
+ } else {
+ pr_wanted = container_of(drv, struct pi_protocol, driver);
+ }
+
+ mutex_lock(&pi_mutex);
+ /* walk all parports */
+ idr_for_each_entry(&parport_list, parport, port_num) {
+ if (port_num == port_wanted || port_wanted == -1) {
+ parport = parport_find_number(port_num);
+ if (!parport) {
+ pr_err("no such port %s\n", port);
+ mutex_unlock(&pi_mutex);
+ return -ENODEV;
+ }
+ /* walk all protocols */
+ idr_for_each_entry(&protocols, pr, pr_num) {
+ if (pr == pr_wanted || !pr_wanted)
+ if (pi_init_one(parport, pr, mode, unit,
+ delay))
+ ok = true;
+ }
+ parport_put_port(parport);
+ }
+ }
+ mutex_unlock(&pi_mutex);
+ if (!ok)
+ return -ENODEV;
+
+ return count;
+}
+static BUS_ATTR_WO(new_device);
+
+static void pi_remove_one(struct device *dev)
+{
+ struct ata_host *host = dev_get_drvdata(dev);
+ struct pi_adapter *pi = host->private_data;
+
+ ata_host_detach(host);
+ pi_disconnect(pi);
+ pi_release(pi);
+ device_unregister(dev);
+ ida_free(&pata_parport_bus_dev_ids, dev->id);
+ /* pata_parport_dev_release will do kfree(pi) */
+}
+
+static ssize_t delete_device_store(struct bus_type *bus, const char *buf,
+ size_t count)
+{
+ struct device *dev;
+
+ mutex_lock(&pi_mutex);
+ dev = bus_find_device_by_name(bus, NULL, buf);
+ if (!dev) {
+ mutex_unlock(&pi_mutex);
+ return -ENODEV;
+ }
+
+ pi_remove_one(dev);
+ mutex_unlock(&pi_mutex);
+
+ return count;
+}
+static BUS_ATTR_WO(delete_device);
+
+static void pata_parport_attach(struct parport *port)
+{
+ struct pi_protocol *pr;
+ int pr_num, id;
+
+ mutex_lock(&pi_mutex);
+ id = idr_alloc(&parport_list, port, port->number, port->number,
+ GFP_KERNEL);
+ if (id < 0) {
+ mutex_unlock(&pi_mutex);
+ return;
+ }
+
+ if (probe) {
+ /* probe this port using all protocols */
+ idr_for_each_entry(&protocols, pr, pr_num)
+ pi_init_one(port, pr, -1, 0, -1);
+ }
+ mutex_unlock(&pi_mutex);
+}
+
+static int pi_remove_port(struct device *dev, void *p)
+{
+ struct ata_host *host = dev_get_drvdata(dev);
+ struct pi_adapter *pi = host->private_data;
+
+ if (pi->pardev->port == p)
+ pi_remove_one(dev);
+
+ return 0;
+}
+
+static void pata_parport_detach(struct parport *port)
+{
+ mutex_lock(&pi_mutex);
+ bus_for_each_dev(&pata_parport_bus_type, NULL, port, pi_remove_port);
+ idr_remove(&parport_list, port->number);
+ mutex_unlock(&pi_mutex);
+}
+
+static struct parport_driver pata_parport_driver = {
+ .name = DRV_NAME,
+ .match_port = pata_parport_attach,
+ .detach = pata_parport_detach,
+ .devmodel = true,
+};
+
+static __init int pata_parport_init(void)
+{
+ int error;
+
+ error = bus_register(&pata_parport_bus_type);
+ if (error) {
+ pr_err("failed to register pata_parport bus, error: %d\n", error);
+ return error;
+ }
+
+ error = device_register(&pata_parport_bus);
+ if (error) {
+ pr_err("failed to register pata_parport bus, error: %d\n", error);
+ goto out_unregister_bus;
+ }
+
+ error = bus_create_file(&pata_parport_bus_type, &bus_attr_new_device);
+ if (error) {
+ pr_err("unable to create sysfs file, error: %d\n", error);
+ goto out_unregister_dev;
+ }
+
+ error = bus_create_file(&pata_parport_bus_type, &bus_attr_delete_device);
+ if (error) {
+ pr_err("unable to create sysfs file, error: %d\n", error);
+ goto out_remove_new;
+ }
+
+ error = parport_register_driver(&pata_parport_driver);
+ if (error) {
+ pr_err("unable to register parport driver, error: %d\n", error);
+ goto out_remove_del;
+ }
+
+ return 0;
+
+out_remove_del:
+ bus_remove_file(&pata_parport_bus_type, &bus_attr_delete_device);
+out_remove_new:
+ bus_remove_file(&pata_parport_bus_type, &bus_attr_new_device);
+out_unregister_dev:
+ device_unregister(&pata_parport_bus);
+out_unregister_bus:
+ bus_unregister(&pata_parport_bus_type);
+ return error;
+}
+
+static __exit void pata_parport_exit(void)
+{
+ parport_unregister_driver(&pata_parport_driver);
+ bus_remove_file(&pata_parport_bus_type, &bus_attr_new_device);
+ bus_remove_file(&pata_parport_bus_type, &bus_attr_delete_device);
+ device_unregister(&pata_parport_bus);
+ bus_unregister(&pata_parport_bus_type);
+}
+
+MODULE_AUTHOR("Ondrej Zary");
+MODULE_DESCRIPTION("driver for parallel port ATA adapters");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("paride");
+
+module_init(pata_parport_init);
+module_exit(pata_parport_exit);
--- /dev/null
+/*
+ ppc6lnx.c (c) 2001 Micro Solutions Inc.
+ Released under the terms of the GNU General Public license
+
+ ppc6lnx.c is a par of the protocol driver for the Micro Solutions
+ "BACKPACK" parallel port IDE adapter
+ (Works on Series 6 drives)
+
+*/
+
+//***************************************************************************
+
+// PPC 6 Code in C sanitized for LINUX
+// Original x86 ASM by Ron, Converted to C by Clive
+
+//***************************************************************************
+
+
+#define port_stb 1
+#define port_afd 2
+#define cmd_stb port_afd
+#define port_init 4
+#define data_stb port_init
+#define port_sel 8
+#define port_int 16
+#define port_dir 0x20
+
+#define ECR_EPP 0x80
+#define ECR_BI 0x20
+
+//***************************************************************************
+
+// 60772 Commands
+
+#define ACCESS_REG 0x00
+#define ACCESS_PORT 0x40
+
+#define ACCESS_READ 0x00
+#define ACCESS_WRITE 0x20
+
+// 60772 Command Prefix
+
+#define CMD_PREFIX_SET 0xe0 // Special command that modifies the next command's operation
+#define CMD_PREFIX_RESET 0xc0 // Resets current cmd modifier reg bits
+ #define PREFIX_IO16 0x01 // perform 16-bit wide I/O
+ #define PREFIX_FASTWR 0x04 // enable PPC mode fast-write
+ #define PREFIX_BLK 0x08 // enable block transfer mode
+
+// 60772 Registers
+
+#define REG_STATUS 0x00 // status register
+ #define STATUS_IRQA 0x01 // Peripheral IRQA line
+ #define STATUS_EEPROM_DO 0x40 // Serial EEPROM data bit
+#define REG_VERSION 0x01 // PPC version register (read)
+#define REG_HWCFG 0x02 // Hardware Config register
+#define REG_RAMSIZE 0x03 // Size of RAM Buffer
+ #define RAMSIZE_128K 0x02
+#define REG_EEPROM 0x06 // EEPROM control register
+ #define EEPROM_SK 0x01 // eeprom SK bit
+ #define EEPROM_DI 0x02 // eeprom DI bit
+ #define EEPROM_CS 0x04 // eeprom CS bit
+ #define EEPROM_EN 0x08 // eeprom output enable
+#define REG_BLKSIZE 0x08 // Block transfer len (24 bit)
+
+//***************************************************************************
+
+typedef struct ppc_storage {
+ u16 lpt_addr; // LPT base address
+ u8 ppc_id;
+ u8 mode; // operating mode
+ // 0 = PPC Uni SW
+ // 1 = PPC Uni FW
+ // 2 = PPC Bi SW
+ // 3 = PPC Bi FW
+ // 4 = EPP Byte
+ // 5 = EPP Word
+ // 6 = EPP Dword
+ u8 ppc_flags;
+ u8 org_data; // original LPT data port contents
+ u8 org_ctrl; // original LPT control port contents
+ u8 cur_ctrl; // current control port contents
+} Interface;
+
+//***************************************************************************
+
+// ppc_flags
+
+#define fifo_wait 0x10
+
+//***************************************************************************
+
+// DONT CHANGE THESE LEST YOU BREAK EVERYTHING - BIT FIELD DEPENDENCIES
+
+#define PPCMODE_UNI_SW 0
+#define PPCMODE_UNI_FW 1
+#define PPCMODE_BI_SW 2
+#define PPCMODE_BI_FW 3
+#define PPCMODE_EPP_BYTE 4
+#define PPCMODE_EPP_WORD 5
+#define PPCMODE_EPP_DWORD 6
+
+//***************************************************************************
+
+static int ppc6_select(Interface *ppc);
+static void ppc6_deselect(Interface *ppc);
+static void ppc6_send_cmd(Interface *ppc, u8 cmd);
+static void ppc6_wr_data_byte(Interface *ppc, u8 data);
+static u8 ppc6_rd_data_byte(Interface *ppc);
+static u8 ppc6_rd_port(Interface *ppc, u8 port);
+static void ppc6_wr_port(Interface *ppc, u8 port, u8 data);
+static void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count);
+static void ppc6_wait_for_fifo(Interface *ppc);
+static void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count);
+static void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length);
+static void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length);
+static void ppc6_wr_extout(Interface *ppc, u8 regdata);
+static int ppc6_open(Interface *ppc);
+static void ppc6_close(Interface *ppc);
+
+//***************************************************************************
+
+static int ppc6_select(Interface *ppc)
+{
+ u8 i, j, k;
+
+ i = inb(ppc->lpt_addr + 1);
+
+ if (i & 1)
+ outb(i, ppc->lpt_addr + 1);
+
+ ppc->org_data = inb(ppc->lpt_addr);
+
+ ppc->org_ctrl = inb(ppc->lpt_addr + 2) & 0x5F; // readback ctrl
+
+ ppc->cur_ctrl = ppc->org_ctrl;
+
+ ppc->cur_ctrl |= port_sel;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ if (ppc->org_data == 'b')
+ outb('x', ppc->lpt_addr);
+
+ outb('b', ppc->lpt_addr);
+ outb('p', ppc->lpt_addr);
+ outb(ppc->ppc_id, ppc->lpt_addr);
+ outb(~ppc->ppc_id,ppc->lpt_addr);
+
+ ppc->cur_ctrl &= ~port_sel;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ ppc->cur_ctrl = (ppc->cur_ctrl & port_int) | port_init;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ i = ppc->mode & 0x0C;
+
+ if (i == 0)
+ i = (ppc->mode & 2) | 1;
+
+ outb(i, ppc->lpt_addr);
+
+ ppc->cur_ctrl |= port_sel;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ // DELAY
+
+ ppc->cur_ctrl |= port_afd;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ j = ((i & 0x08) << 4) | ((i & 0x07) << 3);
+
+ k = inb(ppc->lpt_addr + 1) & 0xB8;
+
+ if (j == k)
+ {
+ ppc->cur_ctrl &= ~port_afd;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ k = (inb(ppc->lpt_addr + 1) & 0xB8) ^ 0xB8;
+
+ if (j == k)
+ {
+ if (i & 4) // EPP
+ ppc->cur_ctrl &= ~(port_sel | port_init);
+ else // PPC/ECP
+ ppc->cur_ctrl &= ~port_sel;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ return(1);
+ }
+ }
+
+ outb(ppc->org_ctrl, ppc->lpt_addr + 2);
+
+ outb(ppc->org_data, ppc->lpt_addr);
+
+ return(0); // FAIL
+}
+
+//***************************************************************************
+
+static void ppc6_deselect(Interface *ppc)
+{
+ if (ppc->mode & 4) // EPP
+ ppc->cur_ctrl |= port_init;
+ else // PPC/ECP
+ ppc->cur_ctrl |= port_sel;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ outb(ppc->org_data, ppc->lpt_addr);
+
+ outb((ppc->org_ctrl | port_sel), ppc->lpt_addr + 2);
+
+ outb(ppc->org_ctrl, ppc->lpt_addr + 2);
+}
+
+//***************************************************************************
+
+static void ppc6_send_cmd(Interface *ppc, u8 cmd)
+{
+ switch(ppc->mode)
+ {
+ case PPCMODE_UNI_SW :
+ case PPCMODE_UNI_FW :
+ case PPCMODE_BI_SW :
+ case PPCMODE_BI_FW :
+ {
+ outb(cmd, ppc->lpt_addr);
+
+ ppc->cur_ctrl ^= cmd_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_BYTE :
+ case PPCMODE_EPP_WORD :
+ case PPCMODE_EPP_DWORD :
+ {
+ outb(cmd, ppc->lpt_addr + 3);
+
+ break;
+ }
+ }
+}
+
+//***************************************************************************
+
+static void ppc6_wr_data_byte(Interface *ppc, u8 data)
+{
+ switch(ppc->mode)
+ {
+ case PPCMODE_UNI_SW :
+ case PPCMODE_UNI_FW :
+ case PPCMODE_BI_SW :
+ case PPCMODE_BI_FW :
+ {
+ outb(data, ppc->lpt_addr);
+
+ ppc->cur_ctrl ^= data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_BYTE :
+ case PPCMODE_EPP_WORD :
+ case PPCMODE_EPP_DWORD :
+ {
+ outb(data, ppc->lpt_addr + 4);
+
+ break;
+ }
+ }
+}
+
+//***************************************************************************
+
+static u8 ppc6_rd_data_byte(Interface *ppc)
+{
+ u8 data = 0;
+
+ switch(ppc->mode)
+ {
+ case PPCMODE_UNI_SW :
+ case PPCMODE_UNI_FW :
+ {
+ ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ // DELAY
+
+ data = inb(ppc->lpt_addr + 1);
+
+ data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3);
+
+ ppc->cur_ctrl |= port_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ // DELAY
+
+ data |= inb(ppc->lpt_addr + 1) & 0xB8;
+
+ break;
+ }
+
+ case PPCMODE_BI_SW :
+ case PPCMODE_BI_FW :
+ {
+ ppc->cur_ctrl |= port_dir;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ ppc->cur_ctrl = (ppc->cur_ctrl | port_stb) ^ data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ data = inb(ppc->lpt_addr);
+
+ ppc->cur_ctrl &= ~port_stb;
+
+ outb(ppc->cur_ctrl,ppc->lpt_addr + 2);
+
+ ppc->cur_ctrl &= ~port_dir;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_BYTE :
+ case PPCMODE_EPP_WORD :
+ case PPCMODE_EPP_DWORD :
+ {
+ outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2);
+
+ data = inb(ppc->lpt_addr + 4);
+
+ outb(ppc->cur_ctrl,ppc->lpt_addr + 2);
+
+ break;
+ }
+ }
+
+ return(data);
+}
+
+//***************************************************************************
+
+static u8 ppc6_rd_port(Interface *ppc, u8 port)
+{
+ ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_READ));
+
+ return(ppc6_rd_data_byte(ppc));
+}
+
+//***************************************************************************
+
+static void ppc6_wr_port(Interface *ppc, u8 port, u8 data)
+{
+ ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_WRITE));
+
+ ppc6_wr_data_byte(ppc, data);
+}
+
+//***************************************************************************
+
+static void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count)
+{
+ switch(ppc->mode)
+ {
+ case PPCMODE_UNI_SW :
+ case PPCMODE_UNI_FW :
+ {
+ while(count)
+ {
+ u8 d;
+
+ ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ // DELAY
+
+ d = inb(ppc->lpt_addr + 1);
+
+ d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3);
+
+ ppc->cur_ctrl |= port_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ // DELAY
+
+ d |= inb(ppc->lpt_addr + 1) & 0xB8;
+
+ *data++ = d;
+ count--;
+ }
+
+ break;
+ }
+
+ case PPCMODE_BI_SW :
+ case PPCMODE_BI_FW :
+ {
+ ppc->cur_ctrl |= port_dir;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ ppc->cur_ctrl |= port_stb;
+
+ while(count)
+ {
+ ppc->cur_ctrl ^= data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ *data++ = inb(ppc->lpt_addr);
+ count--;
+ }
+
+ ppc->cur_ctrl &= ~port_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ ppc->cur_ctrl &= ~port_dir;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_BYTE :
+ {
+ outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2);
+
+ // DELAY
+
+ while(count)
+ {
+ *data++ = inb(ppc->lpt_addr + 4);
+ count--;
+ }
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_WORD :
+ {
+ outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2);
+
+ // DELAY
+
+ while(count > 1)
+ {
+ *((u16 *)data) = inw(ppc->lpt_addr + 4);
+ data += 2;
+ count -= 2;
+ }
+
+ while(count)
+ {
+ *data++ = inb(ppc->lpt_addr + 4);
+ count--;
+ }
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+
+ case PPCMODE_EPP_DWORD :
+ {
+ outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2);
+
+ // DELAY
+
+ while(count > 3)
+ {
+ *((u32 *)data) = inl(ppc->lpt_addr + 4);
+ data += 4;
+ count -= 4;
+ }
+
+ while(count)
+ {
+ *data++ = inb(ppc->lpt_addr + 4);
+ count--;
+ }
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ break;
+ }
+ }
+
+}
+
+//***************************************************************************
+
+static void ppc6_wait_for_fifo(Interface *ppc)
+{
+ int i;
+
+ if (ppc->ppc_flags & fifo_wait)
+ {
+ for(i=0; i<20; i++)
+ inb(ppc->lpt_addr + 1);
+ }
+}
+
+//***************************************************************************
+
+static void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count)
+{
+ switch(ppc->mode)
+ {
+ case PPCMODE_UNI_SW :
+ case PPCMODE_BI_SW :
+ {
+ while(count--)
+ {
+ outb(*data++, ppc->lpt_addr);
+
+ ppc->cur_ctrl ^= data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+ }
+
+ break;
+ }
+
+ case PPCMODE_UNI_FW :
+ case PPCMODE_BI_FW :
+ {
+ u8 this, last;
+
+ ppc6_send_cmd(ppc,(CMD_PREFIX_SET | PREFIX_FASTWR));
+
+ ppc->cur_ctrl |= port_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ last = *data;
+
+ outb(last, ppc->lpt_addr);
+
+ while(count)
+ {
+ this = *data++;
+ count--;
+
+ if (this == last)
+ {
+ ppc->cur_ctrl ^= data_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+ }
+ else
+ {
+ outb(this, ppc->lpt_addr);
+
+ last = this;
+ }
+ }
+
+ ppc->cur_ctrl &= ~port_stb;
+
+ outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
+
+ ppc6_send_cmd(ppc,(CMD_PREFIX_RESET | PREFIX_FASTWR));
+
+ break;
+ }
+
+ case PPCMODE_EPP_BYTE :
+ {
+ while(count)
+ {
+ outb(*data++,ppc->lpt_addr + 4);
+ count--;
+ }
+
+ ppc6_wait_for_fifo(ppc);
+
+ break;
+ }
+
+ case PPCMODE_EPP_WORD :
+ {
+ while(count > 1)
+ {
+ outw(*((u16 *)data),ppc->lpt_addr + 4);
+ data += 2;
+ count -= 2;
+ }
+
+ while(count)
+ {
+ outb(*data++,ppc->lpt_addr + 4);
+ count--;
+ }
+
+ ppc6_wait_for_fifo(ppc);
+
+ break;
+ }
+
+ case PPCMODE_EPP_DWORD :
+ {
+ while(count > 3)
+ {
+ outl(*((u32 *)data),ppc->lpt_addr + 4);
+ data += 4;
+ count -= 4;
+ }
+
+ while(count)
+ {
+ outb(*data++,ppc->lpt_addr + 4);
+ count--;
+ }
+
+ ppc6_wait_for_fifo(ppc);
+
+ break;
+ }
+ }
+}
+
+//***************************************************************************
+
+static void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length)
+{
+ length = length << 1;
+
+ ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE));
+ ppc6_wr_data_byte(ppc,(u8)length);
+ ppc6_wr_data_byte(ppc,(u8)(length >> 8));
+ ppc6_wr_data_byte(ppc,0);
+
+ ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK));
+
+ ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_READ));
+
+ ppc6_rd_data_blk(ppc, data, length);
+
+ ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK));
+}
+
+//***************************************************************************
+
+static void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length)
+{
+ length = length << 1;
+
+ ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE));
+ ppc6_wr_data_byte(ppc,(u8)length);
+ ppc6_wr_data_byte(ppc,(u8)(length >> 8));
+ ppc6_wr_data_byte(ppc,0);
+
+ ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK));
+
+ ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_WRITE));
+
+ ppc6_wr_data_blk(ppc, data, length);
+
+ ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK));
+}
+
+//***************************************************************************
+
+static void ppc6_wr_extout(Interface *ppc, u8 regdata)
+{
+ ppc6_send_cmd(ppc,(REG_VERSION | ACCESS_REG | ACCESS_WRITE));
+
+ ppc6_wr_data_byte(ppc, (u8)((regdata & 0x03) << 6));
+}
+
+//***************************************************************************
+
+static int ppc6_open(Interface *ppc)
+{
+ int ret;
+
+ ret = ppc6_select(ppc);
+
+ if (ret == 0)
+ return(ret);
+
+ ppc->ppc_flags &= ~fifo_wait;
+
+ ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE));
+ ppc6_wr_data_byte(ppc, RAMSIZE_128K);
+
+ ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_READ | REG_VERSION));
+
+ if ((ppc6_rd_data_byte(ppc) & 0x3F) == 0x0C)
+ ppc->ppc_flags |= fifo_wait;
+
+ return(ret);
+}
+
+//***************************************************************************
+
+static void ppc6_close(Interface *ppc)
+{
+ ppc6_deselect(ppc);
+}
+
+//***************************************************************************
+
Most users will want to say "Y" here.
You can also build this as a module which will be called gdrom.
-source "drivers/block/paride/Kconfig"
-
source "drivers/block/mtip32xx/Kconfig"
source "drivers/block/zram/Kconfig"
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-#
-# PARIDE configuration
-
-comment "Parallel IDE protocol modules"
- depends on PATA_PARPORT
-
-config PARIDE_ATEN
- tristate "ATEN EH-100 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the ATEN EH-100 parallel port IDE
- protocol. This protocol is used in some inexpensive low performance
- parallel port kits made in Hong Kong. If you chose to build PARIDE
- support into your kernel, you may answer Y here to build in the
- protocol driver, otherwise you should answer M to build it as a
- loadable module. The module will be called aten. You must also
- have a high-level driver for the type of device that you want to
- support.
-
-config PARIDE_BPCK
- tristate "MicroSolutions backpack (Series 5) protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the Micro Solutions BACKPACK
- parallel port Series 5 IDE protocol. (Most BACKPACK drives made
- before 1999 were Series 5) Series 5 drives will NOT always have the
- Series noted on the bottom of the drive. Series 6 drivers will.
-
- In other words, if your BACKPACK drive doesn't say "Series 6" on the
- bottom, enable this option.
-
- If you chose to build PARIDE support into your kernel, you may
- answer Y here to build in the protocol driver, otherwise you should
- answer M to build it as a loadable module. The module will be
- called bpck. You must also have a high-level driver for the type
- of device that you want to support.
-
-config PARIDE_BPCK6
- tristate "MicroSolutions backpack (Series 6) protocol"
- depends on (PATA_PARPORT) && !64BIT
- help
- This option enables support for the Micro Solutions BACKPACK
- parallel port Series 6 IDE protocol. (Most BACKPACK drives made
- after 1999 were Series 6) Series 6 drives will have the Series noted
- on the bottom of the drive. Series 5 drivers don't always have it
- noted.
-
- In other words, if your BACKPACK drive says "Series 6" on the
- bottom, enable this option.
-
- If you chose to build PARIDE support into your kernel, you may
- answer Y here to build in the protocol driver, otherwise you should
- answer M to build it as a loadable module. The module will be
- called bpck6. You must also have a high-level driver for the type
- of device that you want to support.
-
-config PARIDE_COMM
- tristate "DataStor Commuter protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the Commuter parallel port IDE
- protocol from DataStor. If you chose to build PARIDE support
- into your kernel, you may answer Y here to build in the protocol
- driver, otherwise you should answer M to build it as a loadable
- module. The module will be called comm. You must also have
- a high-level driver for the type of device that you want to support.
-
-config PARIDE_DSTR
- tristate "DataStor EP-2000 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the EP-2000 parallel port IDE
- protocol from DataStor. If you chose to build PARIDE support
- into your kernel, you may answer Y here to build in the protocol
- driver, otherwise you should answer M to build it as a loadable
- module. The module will be called dstr. You must also have
- a high-level driver for the type of device that you want to support.
-
-config PARIDE_FIT2
- tristate "FIT TD-2000 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the TD-2000 parallel port IDE
- protocol from Fidelity International Technology. This is a simple
- (low speed) adapter that is used in some portable hard drives. If
- you chose to build PARIDE support into your kernel, you may answer Y
- here to build in the protocol driver, otherwise you should answer M
- to build it as a loadable module. The module will be called ktti.
- You must also have a high-level driver for the type of device that
- you want to support.
-
-config PARIDE_FIT3
- tristate "FIT TD-3000 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the TD-3000 parallel port IDE
- protocol from Fidelity International Technology. This protocol is
- used in newer models of their portable disk, CD-ROM and PD/CD
- devices. If you chose to build PARIDE support into your kernel, you
- may answer Y here to build in the protocol driver, otherwise you
- should answer M to build it as a loadable module. The module will be
- called fit3. You must also have a high-level driver for the type
- of device that you want to support.
-
-config PARIDE_EPAT
- tristate "Shuttle EPAT/EPEZ protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the EPAT parallel port IDE protocol.
- EPAT is a parallel port IDE adapter manufactured by Shuttle
- Technology and widely used in devices from major vendors such as
- Hewlett-Packard, SyQuest, Imation and Avatar. If you chose to build
- PARIDE support into your kernel, you may answer Y here to build in
- the protocol driver, otherwise you should answer M to build it as a
- loadable module. The module will be called epat. You must also
- have a high-level driver for the type of device that you want to
- support.
-
-config PARIDE_EPATC8
- bool "Support c7/c8 chips"
- depends on PARIDE_EPAT
- help
- This option enables support for the newer Shuttle EP1284 (aka c7 and
- c8) chip. You need this if you are using any recent Imation SuperDisk
- (LS-120) drive.
-
-config PARIDE_EPIA
- tristate "Shuttle EPIA protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the (obsolete) EPIA parallel port
- IDE protocol from Shuttle Technology. This adapter can still be
- found in some no-name kits. If you chose to build PARIDE support
- into your kernel, you may answer Y here to build in the protocol
- driver, otherwise you should answer M to build it as a loadable
- module. The module will be called epia. You must also have a
- high-level driver for the type of device that you want to support.
-
-config PARIDE_FRIQ
- tristate "Freecom IQ ASIC-2 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for version 2 of the Freecom IQ parallel
- port IDE adapter. This adapter is used by the Maxell Superdisk
- drive. If you chose to build PARIDE support into your kernel, you
- may answer Y here to build in the protocol driver, otherwise you
- should answer M to build it as a loadable module. The module will be
- called friq. You must also have a high-level driver for the type
- of device that you want to support.
-
-config PARIDE_FRPW
- tristate "FreeCom power protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the Freecom power parallel port IDE
- protocol. If you chose to build PARIDE support into your kernel, you
- may answer Y here to build in the protocol driver, otherwise you
- should answer M to build it as a loadable module. The module will be
- called frpw. You must also have a high-level driver for the type
- of device that you want to support.
-
-config PARIDE_KBIC
- tristate "KingByte KBIC-951A/971A protocols"
- depends on PATA_PARPORT
- help
- This option enables support for the KBIC-951A and KBIC-971A parallel
- port IDE protocols from KingByte Information Corp. KingByte's
- adapters appear in many no-name portable disk and CD-ROM products,
- especially in Europe. If you chose to build PARIDE support into your
- kernel, you may answer Y here to build in the protocol driver,
- otherwise you should answer M to build it as a loadable module. The
- module will be called kbic. You must also have a high-level driver
- for the type of device that you want to support.
-
-config PARIDE_KTTI
- tristate "KT PHd protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the "PHd" parallel port IDE protocol
- from KT Technology. This is a simple (low speed) adapter that is
- used in some 2.5" portable hard drives. If you chose to build PARIDE
- support into your kernel, you may answer Y here to build in the
- protocol driver, otherwise you should answer M to build it as a
- loadable module. The module will be called ktti. You must also
- have a high-level driver for the type of device that you want to
- support.
-
-config PARIDE_ON20
- tristate "OnSpec 90c20 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the (obsolete) 90c20 parallel port
- IDE protocol from OnSpec (often marketed under the ValuStore brand
- name). If you chose to build PARIDE support into your kernel, you
- may answer Y here to build in the protocol driver, otherwise you
- should answer M to build it as a loadable module. The module will
- be called on20. You must also have a high-level driver for the
- type of device that you want to support.
-
-config PARIDE_ON26
- tristate "OnSpec 90c26 protocol"
- depends on PATA_PARPORT
- help
- This option enables support for the 90c26 parallel port IDE protocol
- from OnSpec Electronics (often marketed under the ValuStore brand
- name). If you chose to build PARIDE support into your kernel, you
- may answer Y here to build in the protocol driver, otherwise you
- should answer M to build it as a loadable module. The module will be
- called on26. You must also have a high-level driver for the type
- of device that you want to support.
-
-#
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for Parallel port IDE device drivers.
-#
-# 7 October 2000, Bartlomiej Zolnierkiewicz <bkz@linux-ide.org>
-# Rewritten to use lists instead of if-statements.
-#
-
-obj-$(CONFIG_PARIDE_ATEN) += aten.o
-obj-$(CONFIG_PARIDE_BPCK) += bpck.o
-obj-$(CONFIG_PARIDE_COMM) += comm.o
-obj-$(CONFIG_PARIDE_DSTR) += dstr.o
-obj-$(CONFIG_PARIDE_KBIC) += kbic.o
-obj-$(CONFIG_PARIDE_EPAT) += epat.o
-obj-$(CONFIG_PARIDE_EPIA) += epia.o
-obj-$(CONFIG_PARIDE_FRPW) += frpw.o
-obj-$(CONFIG_PARIDE_FRIQ) += friq.o
-obj-$(CONFIG_PARIDE_FIT2) += fit2.o
-obj-$(CONFIG_PARIDE_FIT3) += fit3.o
-obj-$(CONFIG_PARIDE_ON20) += on20.o
-obj-$(CONFIG_PARIDE_ON26) += on26.o
-obj-$(CONFIG_PARIDE_KTTI) += ktti.o
-obj-$(CONFIG_PARIDE_BPCK6) += bpck6.o
+++ /dev/null
-/*
- aten.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- aten.c is a low-level protocol driver for the ATEN EH-100
- parallel port adapter. The EH-100 supports 4-bit and 8-bit
- modes only. There is also an EH-132 which supports EPP mode
- transfers. The EH-132 is not yet supported.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.05 init_proto, release_proto
-
-*/
-
-#define ATEN_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/types.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define j44(a,b) ((((a>>4)&0x0f)|(b&0xf0))^0x88)
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x08, 0x20 };
-
-static void aten_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- r = regr + cont_map[cont] + 0x80;
-
- w0(r); w2(0xe); w2(6); w0(val); w2(7); w2(6); w2(0xc);
-}
-
-static int aten_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- r = regr + cont_map[cont] + 0x40;
-
- switch (pi->mode) {
-
- case 0: w0(r); w2(0xe); w2(6);
- w2(7); w2(6); w2(0);
- a = r1(); w0(0x10); b = r1(); w2(0xc);
- return j44(a,b);
-
- case 1: r |= 0x10;
- w0(r); w2(0xe); w2(6); w0(0xff);
- w2(0x27); w2(0x26); w2(0x20);
- a = r0();
- w2(0x26); w2(0xc);
- return a;
- }
- return -1;
-}
-
-static void aten_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b, c, d;
-
- switch (pi->mode) {
-
- case 0: w0(0x48); w2(0xe); w2(6);
- for (k=0;k<count/2;k++) {
- w2(7); w2(6); w2(2);
- a = r1(); w0(0x58); b = r1();
- w2(0); d = r1(); w0(0x48); c = r1();
- buf[2*k] = j44(c,d);
- buf[2*k+1] = j44(a,b);
- }
- w2(0xc);
- break;
-
- case 1: w0(0x58); w2(0xe); w2(6);
- for (k=0;k<count/2;k++) {
- w2(0x27); w2(0x26); w2(0x22);
- a = r0(); w2(0x20); b = r0();
- buf[2*k] = b; buf[2*k+1] = a;
- }
- w2(0x26); w2(0xc);
- break;
- }
-}
-
-static void aten_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- w0(0x88); w2(0xe); w2(6);
- for (k=0;k<count/2;k++) {
- w0(buf[2*k+1]); w2(0xe); w2(6);
- w0(buf[2*k]); w2(7); w2(6);
- }
- w2(0xc);
-}
-
-static void aten_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(0xc);
-}
-
-static void aten_disconnect ( PIA *pi )
-
-{ w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void aten_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[2] = {"4-bit","8-bit"};
-
- printk("%s: aten %s, ATEN EH-100 at 0x%x, ",
- pi->device,ATEN_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol aten = {
- .owner = THIS_MODULE,
- .name = "aten",
- .max_mode = 2,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = aten_write_regr,
- .read_regr = aten_read_regr,
- .write_block = aten_write_block,
- .read_block = aten_read_block,
- .connect = aten_connect,
- .disconnect = aten_disconnect,
- .log_adapter = aten_log_adapter,
-};
-
-static int __init aten_init(void)
-{
- return paride_register(&aten);
-}
-
-static void __exit aten_exit(void)
-{
- paride_unregister( &aten );
-}
-
-MODULE_LICENSE("GPL");
-module_init(aten_init)
-module_exit(aten_exit)
+++ /dev/null
-/*
- bpck.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- bpck.c is a low-level protocol driver for the MicroSolutions
- "backpack" parallel port IDE adapter.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.05 init_proto, release_proto, pi->delay
- 1.02 GRG 1998.08.15 default pi->delay returned to 4
-
-*/
-
-#define BPCK_VERSION "1.02"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#undef r2
-#undef w2
-#undef PC
-
-#define PC pi->private
-#define r2() (PC=(in_p(2) & 0xff))
-#define w2(byte) {out_p(2,byte); PC = byte;}
-#define t2(pat) {PC ^= pat; out_p(2,PC);}
-#define e2() {PC &= 0xfe; out_p(2,PC);}
-#define o2() {PC |= 1; out_p(2,PC);}
-
-#define j44(l,h) (((l>>3)&0x7)|((l>>4)&0x8)|((h<<1)&0x70)|(h&0x80))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
- cont = 2 - use internal bpck register addressing
-*/
-
-static int cont_map[3] = { 0x40, 0x48, 0 };
-
-static int bpck_read_regr( PIA *pi, int cont, int regr )
-
-{ int r, l, h;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0: w0(r & 0xf); w0(r); t2(2); t2(4);
- l = r1();
- t2(4);
- h = r1();
- return j44(l,h);
-
- case 1: w0(r & 0xf); w0(r); t2(2);
- e2(); t2(0x20);
- t2(4); h = r0();
- t2(1); t2(0x20);
- return h;
-
- case 2:
- case 3:
- case 4: w0(r); w2(9); w2(0); w2(0x20);
- h = r4();
- w2(0);
- return h;
-
- }
- return -1;
-}
-
-static void bpck_write_regr( PIA *pi, int cont, int regr, int val )
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(r);
- t2(2);
- w0(val);
- o2(); t2(4); t2(1);
- break;
-
- case 2:
- case 3:
- case 4: w0(r); w2(9); w2(0);
- w0(val); w2(1); w2(3); w2(0);
- break;
-
- }
-}
-
-/* These macros access the bpck registers in native addressing */
-
-#define WR(r,v) bpck_write_regr(pi,2,r,v)
-#define RR(r) (bpck_read_regr(pi,2,r))
-
-static void bpck_write_block( PIA *pi, char * buf, int count )
-
-{ int i;
-
- switch (pi->mode) {
-
- case 0: WR(4,0x40);
- w0(0x40); t2(2); t2(1);
- for (i=0;i<count;i++) { w0(buf[i]); t2(4); }
- WR(4,0);
- break;
-
- case 1: WR(4,0x50);
- w0(0x40); t2(2); t2(1);
- for (i=0;i<count;i++) { w0(buf[i]); t2(4); }
- WR(4,0x10);
- break;
-
- case 2: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(1);
- for (i=0;i<count;i++) w4(buf[i]);
- w2(0);
- WR(4,8);
- break;
-
- case 3: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(1);
- for (i=0;i<count/2;i++) w4w(((u16 *)buf)[i]);
- w2(0);
- WR(4,8);
- break;
-
- case 4: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(1);
- for (i=0;i<count/4;i++) w4l(((u32 *)buf)[i]);
- w2(0);
- WR(4,8);
- break;
- }
-}
-
-static void bpck_read_block( PIA *pi, char * buf, int count )
-
-{ int i, l, h;
-
- switch (pi->mode) {
-
- case 0: WR(4,0x40);
- w0(0x40); t2(2);
- for (i=0;i<count;i++) {
- t2(4); l = r1();
- t2(4); h = r1();
- buf[i] = j44(l,h);
- }
- WR(4,0);
- break;
-
- case 1: WR(4,0x50);
- w0(0x40); t2(2); t2(0x20);
- for(i=0;i<count;i++) { t2(4); buf[i] = r0(); }
- t2(1); t2(0x20);
- WR(4,0x10);
- break;
-
- case 2: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(0x20);
- for (i=0;i<count;i++) buf[i] = r4();
- w2(0);
- WR(4,8);
- break;
-
- case 3: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(0x20);
- for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
- w2(0);
- WR(4,8);
- break;
-
- case 4: WR(4,0x48);
- w0(0x40); w2(9); w2(0); w2(0x20);
- for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
- w2(0);
- WR(4,8);
- break;
-
- }
-}
-
-static int bpck_probe_unit ( PIA *pi )
-
-{ int o1, o0, f7, id;
- int t, s;
-
- id = pi->unit;
- s = 0;
- w2(4); w2(0xe); r2(); t2(2);
- o1 = r1()&0xf8;
- o0 = r0();
- w0(255-id); w2(4); w0(id);
- t2(8); t2(8); t2(8);
- t2(2); t = r1()&0xf8;
- f7 = ((id % 8) == 7);
- if ((f7) || (t != o1)) { t2(2); s = r1()&0xf8; }
- if ((t == o1) && ((!f7) || (s == o1))) {
- w2(0x4c); w0(o0);
- return 0;
- }
- t2(8); w0(0); t2(2); w2(0x4c); w0(o0);
- return 1;
-}
-
-static void bpck_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- w0(0xff-pi->unit); w2(4); w0(pi->unit);
- t2(8); t2(8); t2(8);
- t2(2); t2(2);
-
- switch (pi->mode) {
-
- case 0: t2(8); WR(4,0);
- break;
-
- case 1: t2(8); WR(4,0x10);
- break;
-
- case 2:
- case 3:
- case 4: w2(0); WR(4,8);
- break;
-
- }
-
- WR(5,8);
-
- if (pi->devtype == PI_PCD) {
- WR(0x46,0x10); /* fiddle with ESS logic ??? */
- WR(0x4c,0x38);
- WR(0x4d,0x88);
- WR(0x46,0xa0);
- WR(0x41,0);
- WR(0x4e,8);
- }
-}
-
-static void bpck_disconnect ( PIA *pi )
-
-{ w0(0);
- if (pi->mode >= 2) { w2(9); w2(0); } else t2(2);
- w2(0x4c); w0(pi->saved_r0);
-}
-
-static void bpck_force_spp ( PIA *pi )
-
-/* This fakes the EPP protocol to turn off EPP ... */
-
-{ pi->saved_r0 = r0();
- w0(0xff-pi->unit); w2(4); w0(pi->unit);
- t2(8); t2(8); t2(8);
- t2(2); t2(2);
-
- w2(0);
- w0(4); w2(9); w2(0);
- w0(0); w2(1); w2(3); w2(0);
- w0(0); w2(9); w2(0);
- w2(0x4c); w0(pi->saved_r0);
-}
-
-#define TEST_LEN 16
-
-static int bpck_test_proto( PIA *pi, char * scratch, int verbose )
-
-{ int i, e, l, h, om;
- char buf[TEST_LEN];
-
- bpck_force_spp(pi);
-
- switch (pi->mode) {
-
- case 0: bpck_connect(pi);
- WR(0x13,0x7f);
- w0(0x13); t2(2);
- for(i=0;i<TEST_LEN;i++) {
- t2(4); l = r1();
- t2(4); h = r1();
- buf[i] = j44(l,h);
- }
- bpck_disconnect(pi);
- break;
-
- case 1: bpck_connect(pi);
- WR(0x13,0x7f);
- w0(0x13); t2(2); t2(0x20);
- for(i=0;i<TEST_LEN;i++) { t2(4); buf[i] = r0(); }
- t2(1); t2(0x20);
- bpck_disconnect(pi);
- break;
-
- case 2:
- case 3:
- case 4: om = pi->mode;
- pi->mode = 0;
- bpck_connect(pi);
- WR(7,3);
- WR(4,8);
- bpck_disconnect(pi);
-
- pi->mode = om;
- bpck_connect(pi);
- w0(0x13); w2(9); w2(1); w0(0); w2(3); w2(0); w2(0xe0);
-
- switch (pi->mode) {
- case 2: for (i=0;i<TEST_LEN;i++) buf[i] = r4();
- break;
- case 3: for (i=0;i<TEST_LEN/2;i++) ((u16 *)buf)[i] = r4w();
- break;
- case 4: for (i=0;i<TEST_LEN/4;i++) ((u32 *)buf)[i] = r4l();
- break;
- }
-
- w2(0);
- WR(7,0);
- bpck_disconnect(pi);
-
- break;
-
- }
-
- if (verbose) {
- printk("%s: bpck: 0x%x unit %d mode %d: ",
- pi->device,pi->port,pi->unit,pi->mode);
- for (i=0;i<TEST_LEN;i++) printk("%3d",buf[i]);
- printk("\n");
- }
-
- e = 0;
- for (i=0;i<TEST_LEN;i++) if (buf[i] != (i+1)) e++;
- return e;
-}
-
-static void bpck_read_eeprom ( PIA *pi, char * buf )
-
-{ int i, j, k, p, v, f, om, od;
-
- bpck_force_spp(pi);
-
- om = pi->mode; od = pi->delay;
- pi->mode = 0; pi->delay = 6;
-
- bpck_connect(pi);
-
- WR(4,0);
- for (i=0;i<64;i++) {
- WR(6,8);
- WR(6,0xc);
- p = 0x100;
- for (k=0;k<9;k++) {
- f = (((i + 0x180) & p) != 0) * 2;
- WR(6,f+0xc);
- WR(6,f+0xd);
- WR(6,f+0xc);
- p = (p >> 1);
- }
- for (j=0;j<2;j++) {
- v = 0;
- for (k=0;k<8;k++) {
- WR(6,0xc);
- WR(6,0xd);
- WR(6,0xc);
- f = RR(0);
- v = 2*v + (f == 0x84);
- }
- buf[2*i+1-j] = v;
- }
- }
- WR(6,8);
- WR(6,0);
- WR(5,8);
-
- bpck_disconnect(pi);
-
- if (om >= 2) {
- bpck_connect(pi);
- WR(7,3);
- WR(4,8);
- bpck_disconnect(pi);
- }
-
- pi->mode = om; pi->delay = od;
-}
-
-static int bpck_test_port ( PIA *pi ) /* check for 8-bit port */
-
-{ int i, r, m;
-
- w2(0x2c); i = r0(); w0(255-i); r = r0(); w0(i);
- m = -1;
- if (r == i) m = 2;
- if (r == (255-i)) m = 0;
-
- w2(0xc); i = r0(); w0(255-i); r = r0(); w0(i);
- if (r != (255-i)) m = -1;
-
- if (m == 0) { w2(6); w2(0xc); r = r0(); w0(0xaa); w0(r); w0(0xaa); }
- if (m == 2) { w2(0x26); w2(0xc); }
-
- if (m == -1) return 0;
- return 5;
-}
-
-static void bpck_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[5] = { "4-bit","8-bit","EPP-8",
- "EPP-16","EPP-32" };
-
-#ifdef DUMP_EEPROM
- int i;
-#endif
-
- bpck_read_eeprom(pi,scratch);
-
-#ifdef DUMP_EEPROM
- if (verbose) {
- for(i=0;i<128;i++)
- if ((scratch[i] < ' ') || (scratch[i] > '~'))
- scratch[i] = '.';
- printk("%s: bpck EEPROM: %64.64s\n",pi->device,scratch);
- printk("%s: %64.64s\n",pi->device,&scratch[64]);
- }
-#endif
-
- printk("%s: bpck %s, backpack %8.8s unit %d",
- pi->device,BPCK_VERSION,&scratch[110],pi->unit);
- printk(" at 0x%x, mode %d (%s), delay %d\n",pi->port,
- pi->mode,mode_string[pi->mode],pi->delay);
-}
-
-static struct pi_protocol bpck = {
- .owner = THIS_MODULE,
- .name = "bpck",
- .max_mode = 5,
- .epp_first = 2,
- .default_delay = 4,
- .max_units = 255,
- .write_regr = bpck_write_regr,
- .read_regr = bpck_read_regr,
- .write_block = bpck_write_block,
- .read_block = bpck_read_block,
- .connect = bpck_connect,
- .disconnect = bpck_disconnect,
- .test_port = bpck_test_port,
- .probe_unit = bpck_probe_unit,
- .test_proto = bpck_test_proto,
- .log_adapter = bpck_log_adapter,
-};
-
-static int __init bpck_init(void)
-{
- return paride_register(&bpck);
-}
-
-static void __exit bpck_exit(void)
-{
- paride_unregister(&bpck);
-}
-
-MODULE_LICENSE("GPL");
-module_init(bpck_init)
-module_exit(bpck_exit)
+++ /dev/null
-/*
- backpack.c (c) 2001 Micro Solutions Inc.
- Released under the terms of the GNU General Public license
-
- backpack.c is a low-level protocol driver for the Micro Solutions
- "BACKPACK" parallel port IDE adapter
- (Works on Series 6 drives)
-
- Written by: Ken Hahn (linux-dev@micro-solutions.com)
- Clive Turvey (linux-dev@micro-solutions.com)
-
-*/
-
-/*
- This is Ken's linux wrapper for the PPC library
- Version 1.0.0 is the backpack driver for which source is not available
- Version 2.0.0 is the first to have source released
- Version 2.0.1 is the "Cox-ified" source code
- Version 2.0.2 - fixed version string usage, and made ppc functions static
-*/
-
-
-#define BACKPACK_VERSION "2.0.2"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <asm/io.h>
-#include <linux/parport.h>
-
-#include "ppc6lnx.c"
-#include <linux/pata_parport.h>
-
-/* PARAMETERS */
-static bool verbose; /* set this to 1 to see debugging messages and whatnot */
-
-
-#define PPCSTRUCT(pi) ((Interface *)(pi->private))
-
-/****************************************************************/
-/*
- ATAPI CDROM DRIVE REGISTERS
-*/
-#define ATAPI_DATA 0 /* data port */
-#define ATAPI_ERROR 1 /* error register (read) */
-#define ATAPI_FEATURES 1 /* feature register (write) */
-#define ATAPI_INT_REASON 2 /* interrupt reason register */
-#define ATAPI_COUNT_LOW 4 /* byte count register (low) */
-#define ATAPI_COUNT_HIGH 5 /* byte count register (high) */
-#define ATAPI_DRIVE_SEL 6 /* drive select register */
-#define ATAPI_STATUS 7 /* status port (read) */
-#define ATAPI_COMMAND 7 /* command port (write) */
-#define ATAPI_ALT_STATUS 0x0e /* alternate status reg (read) */
-#define ATAPI_DEVICE_CONTROL 0x0e /* device control (write) */
-/****************************************************************/
-
-static int bpck6_read_regr(PIA *pi, int cont, int reg)
-{
- unsigned int out;
-
- /* check for bad settings */
- if (reg<0 || reg>7 || cont<0 || cont>2)
- {
- return(-1);
- }
- out=ppc6_rd_port(PPCSTRUCT(pi),cont?reg|8:reg);
- return(out);
-}
-
-static void bpck6_write_regr(PIA *pi, int cont, int reg, int val)
-{
- /* check for bad settings */
- if (reg>=0 && reg<=7 && cont>=0 && cont<=1)
- {
- ppc6_wr_port(PPCSTRUCT(pi),cont?reg|8:reg,(u8)val);
- }
-}
-
-static void bpck6_write_block( PIA *pi, char * buf, int len )
-{
- ppc6_wr_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1);
-}
-
-static void bpck6_read_block( PIA *pi, char * buf, int len )
-{
- ppc6_rd_port16_blk(PPCSTRUCT(pi),ATAPI_DATA,buf,(u32)len>>1);
-}
-
-static void bpck6_connect ( PIA *pi )
-{
- if(verbose)
- {
- printk(KERN_DEBUG "connect\n");
- }
-
- if(pi->mode >=2)
- {
- PPCSTRUCT(pi)->mode=4+pi->mode-2;
- }
- else if(pi->mode==1)
- {
- PPCSTRUCT(pi)->mode=3;
- }
- else
- {
- PPCSTRUCT(pi)->mode=1;
- }
-
- ppc6_open(PPCSTRUCT(pi));
- ppc6_wr_extout(PPCSTRUCT(pi),0x3);
-}
-
-static void bpck6_disconnect ( PIA *pi )
-{
- if(verbose)
- {
- printk("disconnect\n");
- }
- ppc6_wr_extout(PPCSTRUCT(pi),0x0);
- ppc6_close(PPCSTRUCT(pi));
-}
-
-static int bpck6_test_port ( PIA *pi ) /* check for 8-bit port */
-{
- if(verbose)
- {
- printk(KERN_DEBUG "PARPORT indicates modes=%x for lp=0x%lx\n",
- ((struct pardevice*)(pi->pardev))->port->modes,
- ((struct pardevice *)(pi->pardev))->port->base);
- }
-
- /*copy over duplicate stuff.. initialize state info*/
- PPCSTRUCT(pi)->ppc_id=pi->unit;
- PPCSTRUCT(pi)->lpt_addr=pi->port;
-
- /* look at the parport device to see if what modes we can use */
- if(((struct pardevice *)(pi->pardev))->port->modes &
- (PARPORT_MODE_EPP)
- )
- {
- return 5; /* Can do EPP*/
- }
- else if(((struct pardevice *)(pi->pardev))->port->modes &
- (PARPORT_MODE_TRISTATE)
- )
- {
- return 2;
- }
- else /*Just flat SPP*/
- {
- return 1;
- }
-}
-
-static int bpck6_probe_unit ( PIA *pi )
-{
- int out;
-
- if(verbose)
- {
- printk(KERN_DEBUG "PROBE UNIT %x on port:%x\n",pi->unit,pi->port);
- }
-
- /*SET PPC UNIT NUMBER*/
- PPCSTRUCT(pi)->ppc_id=pi->unit;
-
- /*LOWER DOWN TO UNIDIRECTIONAL*/
- PPCSTRUCT(pi)->mode=1;
-
- out=ppc6_open(PPCSTRUCT(pi));
-
- if(verbose)
- {
- printk(KERN_DEBUG "ppc_open returned %2x\n",out);
- }
-
- if(out)
- {
- ppc6_close(PPCSTRUCT(pi));
- if(verbose)
- {
- printk(KERN_DEBUG "leaving probe\n");
- }
- return(1);
- }
- else
- {
- if(verbose)
- {
- printk(KERN_DEBUG "Failed open\n");
- }
- return(0);
- }
-}
-
-static void bpck6_log_adapter( PIA *pi, char * scratch, int verbose )
-{
- char *mode_string[5]=
- {"4-bit","8-bit","EPP-8","EPP-16","EPP-32"};
-
- printk("%s: BACKPACK Protocol Driver V"BACKPACK_VERSION"\n",pi->device);
- printk("%s: Copyright 2001 by Micro Solutions, Inc., DeKalb IL.\n",pi->device);
- printk("%s: BACKPACK %s, Micro Solutions BACKPACK Drive at 0x%x\n",
- pi->device,BACKPACK_VERSION,pi->port);
- printk("%s: Unit: %d Mode:%d (%s) Delay %d\n",pi->device,
- pi->unit,pi->mode,mode_string[pi->mode],pi->delay);
-}
-
-static int bpck6_init_proto(PIA *pi)
-{
- Interface *p = kzalloc(sizeof(Interface), GFP_KERNEL);
-
- if (p) {
- pi->private = (unsigned long)p;
- return 0;
- }
-
- printk(KERN_ERR "%s: ERROR COULDN'T ALLOCATE MEMORY\n", pi->device);
- return -1;
-}
-
-static void bpck6_release_proto(PIA *pi)
-{
- kfree((void *)(pi->private));
-}
-
-static struct pi_protocol bpck6 = {
- .owner = THIS_MODULE,
- .name = "bpck6",
- .max_mode = 5,
- .epp_first = 2, /* 2-5 use epp (need 8 ports) */
- .max_units = 255,
- .write_regr = bpck6_write_regr,
- .read_regr = bpck6_read_regr,
- .write_block = bpck6_write_block,
- .read_block = bpck6_read_block,
- .connect = bpck6_connect,
- .disconnect = bpck6_disconnect,
- .test_port = bpck6_test_port,
- .probe_unit = bpck6_probe_unit,
- .log_adapter = bpck6_log_adapter,
- .init_proto = bpck6_init_proto,
- .release_proto = bpck6_release_proto,
-};
-
-static int __init bpck6_init(void)
-{
- printk(KERN_INFO "bpck6: BACKPACK Protocol Driver V"BACKPACK_VERSION"\n");
- printk(KERN_INFO "bpck6: Copyright 2001 by Micro Solutions, Inc., DeKalb IL. USA\n");
- if(verbose)
- printk(KERN_DEBUG "bpck6: verbose debug enabled.\n");
- return paride_register(&bpck6);
-}
-
-static void __exit bpck6_exit(void)
-{
- paride_unregister(&bpck6);
-}
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Micro Solutions Inc.");
-MODULE_DESCRIPTION("BACKPACK Protocol module, compatible with PARIDE");
-module_param(verbose, bool, 0644);
-module_init(bpck6_init)
-module_exit(bpck6_exit)
+++ /dev/null
-/*
- comm.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- comm.c is a low-level protocol driver for some older models
- of the DataStor "Commuter" parallel to IDE adapter. Some of
- the parallel port devices marketed by Arista currently
- use this adapter.
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.05 init_proto, release_proto
-
-*/
-
-#define COMM_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-/* mode codes: 0 nybble reads, 8-bit writes
- 1 8-bit reads and writes
- 2 8-bit EPP mode
-*/
-
-#define j44(a,b) (((a>>3)&0x0f)|((b<<1)&0xf0))
-
-#define P1 w2(5);w2(0xd);w2(0xd);w2(5);w2(4);
-#define P2 w2(5);w2(7);w2(7);w2(5);w2(4);
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x08, 0x10 };
-
-static int comm_read_regr( PIA *pi, int cont, int regr )
-
-{ int l, h, r;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0: w0(r); P1; w0(0);
- w2(6); l = r1(); w0(0x80); h = r1(); w2(4);
- return j44(l,h);
-
- case 1: w0(r+0x20); P1;
- w0(0); w2(0x26); h = r0(); w2(4);
- return h;
-
- case 2:
- case 3:
- case 4: w3(r+0x20); (void)r1();
- w2(0x24); h = r4(); w2(4);
- return h;
-
- }
- return -1;
-}
-
-static void comm_write_regr( PIA *pi, int cont, int regr, int val )
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(r); P1; w0(val); P2;
- break;
-
- case 2:
- case 3:
- case 4: w3(r); (void)r1(); w4(val);
- break;
- }
-}
-
-static void comm_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(4); w0(0xff); w2(6);
- w2(4); w0(0xaa); w2(6);
- w2(4); w0(0x00); w2(6);
- w2(4); w0(0x87); w2(6);
- w2(4); w0(0xe0); w2(0xc); w2(0xc); w2(4);
-}
-
-static void comm_disconnect ( PIA *pi )
-
-{ w2(0); w2(0); w2(0); w2(4);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void comm_read_block( PIA *pi, char * buf, int count )
-
-{ int i, l, h;
-
- switch (pi->mode) {
-
- case 0: w0(0x48); P1;
- for(i=0;i<count;i++) {
- w0(0); w2(6); l = r1();
- w0(0x80); h = r1(); w2(4);
- buf[i] = j44(l,h);
- }
- break;
-
- case 1: w0(0x68); P1; w0(0);
- for(i=0;i<count;i++) {
- w2(0x26); buf[i] = r0(); w2(0x24);
- }
- w2(4);
- break;
-
- case 2: w3(0x68); (void)r1(); w2(0x24);
- for (i=0;i<count;i++) buf[i] = r4();
- w2(4);
- break;
-
- case 3: w3(0x68); (void)r1(); w2(0x24);
- for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
- w2(4);
- break;
-
- case 4: w3(0x68); (void)r1(); w2(0x24);
- for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
- w2(4);
- break;
-
- }
-}
-
-/* NB: Watch out for the byte swapped writes ! */
-
-static void comm_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(0x68); P1;
- for (k=0;k<count;k++) {
- w2(5); w0(buf[k^1]); w2(7);
- }
- w2(5); w2(4);
- break;
-
- case 2: w3(0x48); (void)r1();
- for (k=0;k<count;k++) w4(buf[k^1]);
- break;
-
- case 3: w3(0x48); (void)r1();
- for (k=0;k<count/2;k++) w4w(pi_swab16(buf,k));
- break;
-
- case 4: w3(0x48); (void)r1();
- for (k=0;k<count/4;k++) w4l(pi_swab32(buf,k));
- break;
-
-
- }
-}
-
-static void comm_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[5] = {"4-bit","8-bit","EPP-8","EPP-16","EPP-32"};
-
- printk("%s: comm %s, DataStor Commuter at 0x%x, ",
- pi->device,COMM_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol comm = {
- .owner = THIS_MODULE,
- .name = "comm",
- .max_mode = 5,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = comm_write_regr,
- .read_regr = comm_read_regr,
- .write_block = comm_write_block,
- .read_block = comm_read_block,
- .connect = comm_connect,
- .disconnect = comm_disconnect,
- .log_adapter = comm_log_adapter,
-};
-
-static int __init comm_init(void)
-{
- return paride_register(&comm);
-}
-
-static void __exit comm_exit(void)
-{
- paride_unregister(&comm);
-}
-
-MODULE_LICENSE("GPL");
-module_init(comm_init)
-module_exit(comm_exit)
+++ /dev/null
-/*
- dstr.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- dstr.c is a low-level protocol driver for the
- DataStor EP2000 parallel to IDE adapter chip.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
-
-*/
-
-#define DSTR_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-/* mode codes: 0 nybble reads, 8-bit writes
- 1 8-bit reads and writes
- 2 8-bit EPP mode
- 3 EPP-16
- 4 EPP-32
-*/
-
-#define j44(a,b) (((a>>3)&0x07)|((~a>>4)&0x08)|((b<<1)&0x70)|((~b)&0x80))
-
-#define P1 w2(5);w2(0xd);w2(5);w2(4);
-#define P2 w2(5);w2(7);w2(5);w2(4);
-#define P3 w2(6);w2(4);w2(6);w2(4);
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x20, 0x40 };
-
-static int dstr_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- r = regr + cont_map[cont];
-
- w0(0x81); P1;
- if (pi->mode) { w0(0x11); } else { w0(1); }
- P2; w0(r); P1;
-
- switch (pi->mode) {
-
- case 0: w2(6); a = r1(); w2(4); w2(6); b = r1(); w2(4);
- return j44(a,b);
-
- case 1: w0(0); w2(0x26); a = r0(); w2(4);
- return a;
-
- case 2:
- case 3:
- case 4: w2(0x24); a = r4(); w2(4);
- return a;
-
- }
- return -1;
-}
-
-static void dstr_write_regr( PIA *pi, int cont, int regr, int val )
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- w0(0x81); P1;
- if (pi->mode >= 2) { w0(0x11); } else { w0(1); }
- P2; w0(r); P1;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(val); w2(5); w2(7); w2(5); w2(4);
- break;
-
- case 2:
- case 3:
- case 4: w4(val);
- break;
- }
-}
-
-#define CCP(x) w0(0xff);w2(0xc);w2(4);\
- w0(0xaa);w0(0x55);w0(0);w0(0xff);w0(0x87);w0(0x78);\
- w0(x);w2(5);w2(4);
-
-static void dstr_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(4); CCP(0xe0); w0(0xff);
-}
-
-static void dstr_disconnect ( PIA *pi )
-
-{ CCP(0x30);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void dstr_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b;
-
- w0(0x81); P1;
- if (pi->mode) { w0(0x19); } else { w0(9); }
- P2; w0(0x82); P1; P3; w0(0x20); P1;
-
- switch (pi->mode) {
-
- case 0: for (k=0;k<count;k++) {
- w2(6); a = r1(); w2(4);
- w2(6); b = r1(); w2(4);
- buf[k] = j44(a,b);
- }
- break;
-
- case 1: w0(0);
- for (k=0;k<count;k++) {
- w2(0x26); buf[k] = r0(); w2(0x24);
- }
- w2(4);
- break;
-
- case 2: w2(0x24);
- for (k=0;k<count;k++) buf[k] = r4();
- w2(4);
- break;
-
- case 3: w2(0x24);
- for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
- w2(4);
- break;
-
- case 4: w2(0x24);
- for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
- w2(4);
- break;
-
- }
-}
-
-static void dstr_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- w0(0x81); P1;
- if (pi->mode) { w0(0x19); } else { w0(9); }
- P2; w0(0x82); P1; P3; w0(0x20); P1;
-
- switch (pi->mode) {
-
- case 0:
- case 1: for (k=0;k<count;k++) {
- w2(5); w0(buf[k]); w2(7);
- }
- w2(5); w2(4);
- break;
-
- case 2: w2(0xc5);
- for (k=0;k<count;k++) w4(buf[k]);
- w2(0xc4);
- break;
-
- case 3: w2(0xc5);
- for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
- w2(0xc4);
- break;
-
- case 4: w2(0xc5);
- for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
- w2(0xc4);
- break;
-
- }
-}
-
-
-static void dstr_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[5] = {"4-bit","8-bit","EPP-8",
- "EPP-16","EPP-32"};
-
- printk("%s: dstr %s, DataStor EP2000 at 0x%x, ",
- pi->device,DSTR_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol dstr = {
- .owner = THIS_MODULE,
- .name = "dstr",
- .max_mode = 5,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = dstr_write_regr,
- .read_regr = dstr_read_regr,
- .write_block = dstr_write_block,
- .read_block = dstr_read_block,
- .connect = dstr_connect,
- .disconnect = dstr_disconnect,
- .log_adapter = dstr_log_adapter,
-};
-
-static int __init dstr_init(void)
-{
- return paride_register(&dstr);
-}
-
-static void __exit dstr_exit(void)
-{
- paride_unregister(&dstr);
-}
-
-MODULE_LICENSE("GPL");
-module_init(dstr_init)
-module_exit(dstr_exit)
+++ /dev/null
-/*
- epat.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- This is the low level protocol driver for the EPAT parallel
- to IDE adapter from Shuttle Technologies. This adapter is
- used in many popular parallel port disk products such as the
- SyQuest EZ drives, the Avatar Shark and the Imation SuperDisk.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
- 1.02 Joshua b. Jore CPP(renamed), epat_connect, epat_disconnect
-
-*/
-
-#define EPAT_VERSION "1.02"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define j44(a,b) (((a>>4)&0x0f)+(b&0xf0))
-#define j53(a,b) (((a>>3)&0x1f)+((b<<4)&0xe0))
-
-static int epatc8;
-
-module_param(epatc8, int, 0);
-MODULE_PARM_DESC(epatc8, "support for the Shuttle EP1284 chip, "
- "used in any recent Imation SuperDisk (LS-120) drive.");
-
-/* cont = 0 IDE register file
- cont = 1 IDE control registers
- cont = 2 internal EPAT registers
-*/
-
-static int cont_map[3] = { 0x18, 0x10, 0 };
-
-static void epat_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: w0(0x60+r); w2(1); w0(val); w2(4);
- break;
-
- case 3:
- case 4:
- case 5: w3(0x40+r); w4(val);
- break;
-
- }
-}
-
-static int epat_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- r = regr + cont_map[cont];
-
- switch (pi->mode) {
-
- case 0: w0(r); w2(1); w2(3);
- a = r1(); w2(4); b = r1();
- return j44(a,b);
-
- case 1: w0(0x40+r); w2(1); w2(4);
- a = r1(); b = r2(); w0(0xff);
- return j53(a,b);
-
- case 2: w0(0x20+r); w2(1); w2(0x25);
- a = r0(); w2(4);
- return a;
-
- case 3:
- case 4:
- case 5: w3(r); w2(0x24); a = r4(); w2(4);
- return a;
-
- }
- return -1; /* never gets here */
-}
-
-static void epat_read_block( PIA *pi, char * buf, int count )
-
-{ int k, ph, a, b;
-
- switch (pi->mode) {
-
- case 0: w0(7); w2(1); w2(3); w0(0xff);
- ph = 0;
- for(k=0;k<count;k++) {
- if (k == count-1) w0(0xfd);
- w2(6+ph); a = r1();
- if (a & 8) b = a;
- else { w2(4+ph); b = r1(); }
- buf[k] = j44(a,b);
- ph = 1 - ph;
- }
- w0(0); w2(4);
- break;
-
- case 1: w0(0x47); w2(1); w2(5); w0(0xff);
- ph = 0;
- for(k=0;k<count;k++) {
- if (k == count-1) w0(0xfd);
- w2(4+ph);
- a = r1(); b = r2();
- buf[k] = j53(a,b);
- ph = 1 - ph;
- }
- w0(0); w2(4);
- break;
-
- case 2: w0(0x27); w2(1); w2(0x25); w0(0);
- ph = 0;
- for(k=0;k<count-1;k++) {
- w2(0x24+ph);
- buf[k] = r0();
- ph = 1 - ph;
- }
- w2(0x26); w2(0x27); buf[count-1] = r0();
- w2(0x25); w2(4);
- break;
-
- case 3: w3(0x80); w2(0x24);
- for(k=0;k<count-1;k++) buf[k] = r4();
- w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
- w2(4);
- break;
-
- case 4: w3(0x80); w2(0x24);
- for(k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
- buf[count-2] = r4();
- w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
- w2(4);
- break;
-
- case 5: w3(0x80); w2(0x24);
- for(k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
- for(k=count-4;k<count-1;k++) buf[k] = r4();
- w2(4); w3(0xa0); w2(0x24); buf[count-1] = r4();
- w2(4);
- break;
-
- }
-}
-
-static void epat_write_block( PIA *pi, char * buf, int count )
-
-{ int ph, k;
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: w0(0x67); w2(1); w2(5);
- ph = 0;
- for(k=0;k<count;k++) {
- w0(buf[k]);
- w2(4+ph);
- ph = 1 - ph;
- }
- w2(7); w2(4);
- break;
-
- case 3: w3(0xc0);
- for(k=0;k<count;k++) w4(buf[k]);
- w2(4);
- break;
-
- case 4: w3(0xc0);
- for(k=0;k<(count/2);k++) w4w(((u16 *)buf)[k]);
- w2(4);
- break;
-
- case 5: w3(0xc0);
- for(k=0;k<(count/4);k++) w4l(((u32 *)buf)[k]);
- w2(4);
- break;
-
- }
-}
-
-/* these macros access the EPAT registers in native addressing */
-
-#define WR(r,v) epat_write_regr(pi,2,r,v)
-#define RR(r) (epat_read_regr(pi,2,r))
-
-/* and these access the IDE task file */
-
-#define WRi(r,v) epat_write_regr(pi,0,r,v)
-#define RRi(r) (epat_read_regr(pi,0,r))
-
-/* FIXME: the CPP stuff should be fixed to handle multiple EPATs on a chain */
-
-#define CPP(x) w2(4);w0(0x22);w0(0xaa);w0(0x55);w0(0);w0(0xff);\
- w0(0x87);w0(0x78);w0(x);w2(4);w2(5);w2(4);w0(0xff);
-
-static void epat_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- /* Initialize the chip */
- CPP(0);
-
- if (epatc8) {
- CPP(0x40);CPP(0xe0);
- w0(0);w2(1);w2(4);
- WR(0x8,0x12);WR(0xc,0x14);WR(0x12,0x10);
- WR(0xe,0xf);WR(0xf,4);
- /* WR(0xe,0xa);WR(0xf,4); */
- WR(0xe,0xd);WR(0xf,0);
- /* CPP(0x30); */
- }
-
- /* Connect to the chip */
- CPP(0xe0);
- w0(0);w2(1);w2(4); /* Idle into SPP */
- if (pi->mode >= 3) {
- w0(0);w2(1);w2(4);w2(0xc);
- /* Request EPP */
- w0(0x40);w2(6);w2(7);w2(4);w2(0xc);w2(4);
- }
-
- if (!epatc8) {
- WR(8,0x10); WR(0xc,0x14); WR(0xa,0x38); WR(0x12,0x10);
- }
-}
-
-static void epat_disconnect (PIA *pi)
-{ CPP(0x30);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static int epat_test_proto( PIA *pi, char * scratch, int verbose )
-
-{ int k, j, f, cc;
- int e[2] = {0,0};
-
- epat_connect(pi);
- cc = RR(0xd);
- epat_disconnect(pi);
-
- epat_connect(pi);
- for (j=0;j<2;j++) {
- WRi(6,0xa0+j*0x10);
- for (k=0;k<256;k++) {
- WRi(2,k^0xaa);
- WRi(3,k^0x55);
- if (RRi(2) != (k^0xaa)) e[j]++;
- }
- }
- epat_disconnect(pi);
-
- f = 0;
- epat_connect(pi);
- WR(0x13,1); WR(0x13,0); WR(0xa,0x11);
- epat_read_block(pi,scratch,512);
-
- for (k=0;k<256;k++) {
- if ((scratch[2*k] & 0xff) != k) f++;
- if ((scratch[2*k+1] & 0xff) != (0xff-k)) f++;
- }
- epat_disconnect(pi);
-
- if (verbose) {
- printk("%s: epat: port 0x%x, mode %d, ccr %x, test=(%d,%d,%d)\n",
- pi->device,pi->port,pi->mode,cc,e[0],e[1],f);
- }
-
- return (e[0] && e[1]) || f;
-}
-
-static void epat_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ int ver;
- char *mode_string[6] =
- {"4-bit","5/3","8-bit","EPP-8","EPP-16","EPP-32"};
-
- epat_connect(pi);
- WR(0xa,0x38); /* read the version code */
- ver = RR(0xb);
- epat_disconnect(pi);
-
- printk("%s: epat %s, Shuttle EPAT chip %x at 0x%x, ",
- pi->device,EPAT_VERSION,ver,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol epat = {
- .owner = THIS_MODULE,
- .name = "epat",
- .max_mode = 6,
- .epp_first = 3,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = epat_write_regr,
- .read_regr = epat_read_regr,
- .write_block = epat_write_block,
- .read_block = epat_read_block,
- .connect = epat_connect,
- .disconnect = epat_disconnect,
- .test_proto = epat_test_proto,
- .log_adapter = epat_log_adapter,
-};
-
-static int __init epat_init(void)
-{
-#ifdef CONFIG_PARIDE_EPATC8
- epatc8 = 1;
-#endif
- return paride_register(&epat);
-}
-
-static void __exit epat_exit(void)
-{
- paride_unregister(&epat);
-}
-
-MODULE_LICENSE("GPL");
-module_init(epat_init)
-module_exit(epat_exit)
+++ /dev/null
-/*
- epia.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- epia.c is a low-level protocol driver for Shuttle Technologies
- EPIA parallel to IDE adapter chip. This device is now obsolete
- and has been replaced with the EPAT chip, which is supported
- by epat.c, however, some devices based on EPIA are still
- available.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
- 1.02 GRG 1998.06.17 support older versions of EPIA
-
-*/
-
-#define EPIA_VERSION "1.02"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-/* mode codes: 0 nybble reads on port 1, 8-bit writes
- 1 5/3 reads on ports 1 & 2, 8-bit writes
- 2 8-bit reads and writes
- 3 8-bit EPP mode
- 4 16-bit EPP
- 5 32-bit EPP
-*/
-
-#define j44(a,b) (((a>>4)&0x0f)+(b&0xf0))
-#define j53(a,b) (((a>>3)&0x1f)+((b<<4)&0xe0))
-
-/* cont = 0 IDE register file
- cont = 1 IDE control registers
-*/
-
-static int cont_map[2] = { 0, 0x80 };
-
-static int epia_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- regr += cont_map[cont];
-
- switch (pi->mode) {
-
- case 0: r = regr^0x39;
- w0(r); w2(1); w2(3); w0(r);
- a = r1(); w2(1); b = r1(); w2(4);
- return j44(a,b);
-
- case 1: r = regr^0x31;
- w0(r); w2(1); w0(r&0x37);
- w2(3); w2(5); w0(r|0xf0);
- a = r1(); b = r2(); w2(4);
- return j53(a,b);
-
- case 2: r = regr^0x29;
- w0(r); w2(1); w2(0X21); w2(0x23);
- a = r0(); w2(4);
- return a;
-
- case 3:
- case 4:
- case 5: w3(regr); w2(0x24); a = r4(); w2(4);
- return a;
-
- }
- return -1;
-}
-
-static void epia_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- regr += cont_map[cont];
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: r = regr^0x19;
- w0(r); w2(1); w0(val); w2(3); w2(4);
- break;
-
- case 3:
- case 4:
- case 5: r = regr^0x40;
- w3(r); w4(val); w2(4);
- break;
- }
-}
-
-#define WR(r,v) epia_write_regr(pi,0,r,v)
-#define RR(r) (epia_read_regr(pi,0,r))
-
-/* The use of register 0x84 is entirely unclear - it seems to control
- some EPP counters ... currently we know about 3 different block
- sizes: the standard 512 byte reads and writes, 12 byte writes and
- 2048 byte reads (the last two being used in the CDrom drivers.
-*/
-
-static void epia_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- w2(4); w0(0xa0); w0(0x50); w0(0xc0); w0(0x30); w0(0xa0); w0(0);
- w2(1); w2(4);
- if (pi->mode >= 3) {
- w0(0xa); w2(1); w2(4); w0(0x82); w2(4); w2(0xc); w2(4);
- w2(0x24); w2(0x26); w2(4);
- }
- WR(0x86,8);
-}
-
-static void epia_disconnect ( PIA *pi )
-
-{ /* WR(0x84,0x10); */
- w0(pi->saved_r0);
- w2(1); w2(4);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void epia_read_block( PIA *pi, char * buf, int count )
-
-{ int k, ph, a, b;
-
- switch (pi->mode) {
-
- case 0: w0(0x81); w2(1); w2(3); w0(0xc1);
- ph = 1;
- for (k=0;k<count;k++) {
- w2(2+ph); a = r1();
- w2(4+ph); b = r1();
- buf[k] = j44(a,b);
- ph = 1 - ph;
- }
- w0(0); w2(4);
- break;
-
- case 1: w0(0x91); w2(1); w0(0x10); w2(3);
- w0(0x51); w2(5); w0(0xd1);
- ph = 1;
- for (k=0;k<count;k++) {
- w2(4+ph);
- a = r1(); b = r2();
- buf[k] = j53(a,b);
- ph = 1 - ph;
- }
- w0(0); w2(4);
- break;
-
- case 2: w0(0x89); w2(1); w2(0x23); w2(0x21);
- ph = 1;
- for (k=0;k<count;k++) {
- w2(0x24+ph);
- buf[k] = r0();
- ph = 1 - ph;
- }
- w2(6); w2(4);
- break;
-
- case 3: if (count > 512) WR(0x84,3);
- w3(0); w2(0x24);
- for (k=0;k<count;k++) buf[k] = r4();
- w2(4); WR(0x84,0);
- break;
-
- case 4: if (count > 512) WR(0x84,3);
- w3(0); w2(0x24);
- for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
- w2(4); WR(0x84,0);
- break;
-
- case 5: if (count > 512) WR(0x84,3);
- w3(0); w2(0x24);
- for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
- w2(4); WR(0x84,0);
- break;
-
- }
-}
-
-static void epia_write_block( PIA *pi, char * buf, int count )
-
-{ int ph, k, last, d;
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: w0(0xa1); w2(1); w2(3); w2(1); w2(5);
- ph = 0; last = 0x8000;
- for (k=0;k<count;k++) {
- d = buf[k];
- if (d != last) { last = d; w0(d); }
- w2(4+ph);
- ph = 1 - ph;
- }
- w2(7); w2(4);
- break;
-
- case 3: if (count < 512) WR(0x84,1);
- w3(0x40);
- for (k=0;k<count;k++) w4(buf[k]);
- if (count < 512) WR(0x84,0);
- break;
-
- case 4: if (count < 512) WR(0x84,1);
- w3(0x40);
- for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
- if (count < 512) WR(0x84,0);
- break;
-
- case 5: if (count < 512) WR(0x84,1);
- w3(0x40);
- for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
- if (count < 512) WR(0x84,0);
- break;
-
- }
-
-}
-
-static int epia_test_proto( PIA *pi, char * scratch, int verbose )
-
-{ int j, k, f;
- int e[2] = {0,0};
-
- epia_connect(pi);
- for (j=0;j<2;j++) {
- WR(6,0xa0+j*0x10);
- for (k=0;k<256;k++) {
- WR(2,k^0xaa);
- WR(3,k^0x55);
- if (RR(2) != (k^0xaa)) e[j]++;
- }
- WR(2,1); WR(3,1);
- }
- epia_disconnect(pi);
-
- f = 0;
- epia_connect(pi);
- WR(0x84,8);
- epia_read_block(pi,scratch,512);
- for (k=0;k<256;k++) {
- if ((scratch[2*k] & 0xff) != ((k+1) & 0xff)) f++;
- if ((scratch[2*k+1] & 0xff) != ((-2-k) & 0xff)) f++;
- }
- WR(0x84,0);
- epia_disconnect(pi);
-
- if (verbose) {
- printk("%s: epia: port 0x%x, mode %d, test=(%d,%d,%d)\n",
- pi->device,pi->port,pi->mode,e[0],e[1],f);
- }
-
- return (e[0] && e[1]) || f;
-
-}
-
-
-static void epia_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[6] = {"4-bit","5/3","8-bit",
- "EPP-8","EPP-16","EPP-32"};
-
- printk("%s: epia %s, Shuttle EPIA at 0x%x, ",
- pi->device,EPIA_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol epia = {
- .owner = THIS_MODULE,
- .name = "epia",
- .max_mode = 6,
- .epp_first = 3,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = epia_write_regr,
- .read_regr = epia_read_regr,
- .write_block = epia_write_block,
- .read_block = epia_read_block,
- .connect = epia_connect,
- .disconnect = epia_disconnect,
- .test_proto = epia_test_proto,
- .log_adapter = epia_log_adapter,
-};
-
-static int __init epia_init(void)
-{
- return paride_register(&epia);
-}
-
-static void __exit epia_exit(void)
-{
- paride_unregister(&epia);
-}
-
-MODULE_LICENSE("GPL");
-module_init(epia_init)
-module_exit(epia_exit)
+++ /dev/null
-/*
- fit2.c (c) 1998 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- fit2.c is a low-level protocol driver for the older version
- of the Fidelity International Technology parallel port adapter.
- This adapter is used in their TransDisk 2000 and older TransDisk
- 3000 portable hard-drives. As far as I can tell, this device
- supports 4-bit mode _only_.
-
- Newer models of the FIT products use an enhanced protocol.
- The "fit3" protocol module should support current drives.
-
-*/
-
-#define FIT2_VERSION "1.0"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-
-NB: The FIT adapter does not appear to use the control registers.
-So, we map ALT_STATUS to STATUS and NO-OP writes to the device
-control register - this means that IDE reset will not work on these
-devices.
-
-*/
-
-static void fit2_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ if (cont == 1) return;
- w2(0xc); w0(regr); w2(4); w0(val); w2(5); w0(0); w2(4);
-}
-
-static int fit2_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- if (cont) {
- if (regr != 6) return 0xff;
- r = 7;
- } else r = regr + 0x10;
-
- w2(0xc); w0(r); w2(4); w2(5);
- w0(0); a = r1();
- w0(1); b = r1();
- w2(4);
-
- return j44(a,b);
-
-}
-
-static void fit2_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b, c, d;
-
- w2(0xc); w0(0x10);
-
- for (k=0;k<count/4;k++) {
-
- w2(4); w2(5);
- w0(0); a = r1(); w0(1); b = r1();
- w0(3); c = r1(); w0(2); d = r1();
- buf[4*k+0] = j44(a,b);
- buf[4*k+1] = j44(d,c);
-
- w2(4); w2(5);
- a = r1(); w0(3); b = r1();
- w0(1); c = r1(); w0(0); d = r1();
- buf[4*k+2] = j44(d,c);
- buf[4*k+3] = j44(a,b);
-
- }
-
- w2(4);
-
-}
-
-static void fit2_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
-
- w2(0xc); w0(0);
- for (k=0;k<count/2;k++) {
- w2(4); w0(buf[2*k]);
- w2(5); w0(buf[2*k+1]);
- }
- w2(4);
-}
-
-static void fit2_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(0xcc);
-}
-
-static void fit2_disconnect ( PIA *pi )
-
-{ w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void fit2_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ printk("%s: fit2 %s, FIT 2000 adapter at 0x%x, delay %d\n",
- pi->device,FIT2_VERSION,pi->port,pi->delay);
-
-}
-
-static struct pi_protocol fit2 = {
- .owner = THIS_MODULE,
- .name = "fit2",
- .max_mode = 1,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = fit2_write_regr,
- .read_regr = fit2_read_regr,
- .write_block = fit2_write_block,
- .read_block = fit2_read_block,
- .connect = fit2_connect,
- .disconnect = fit2_disconnect,
- .log_adapter = fit2_log_adapter,
-};
-
-static int __init fit2_init(void)
-{
- return paride_register(&fit2);
-}
-
-static void __exit fit2_exit(void)
-{
- paride_unregister(&fit2);
-}
-
-MODULE_LICENSE("GPL");
-module_init(fit2_init)
-module_exit(fit2_exit)
+++ /dev/null
-/*
- fit3.c (c) 1998 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- fit3.c is a low-level protocol driver for newer models
- of the Fidelity International Technology parallel port adapter.
- This adapter is used in their TransDisk 3000 portable
- hard-drives, as well as CD-ROM, PD-CD and other devices.
-
- The TD-2000 and certain older devices use a different protocol.
- Try the fit2 protocol module with them.
-
- NB: The FIT adapters do not appear to support the control
- registers. So, we map ALT_STATUS to STATUS and NO-OP writes
- to the device control register - this means that IDE reset
- will not work on these devices.
-
-*/
-
-#define FIT3_VERSION "1.0"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define j44(a,b) (((a>>3)&0x0f)|((b<<1)&0xf0))
-
-#define w7(byte) {out_p(7,byte);}
-#define r7() (in_p(7) & 0xff)
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-
-*/
-
-static void fit3_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ if (cont == 1) return;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w2(0xc); w0(regr); w2(0x8); w2(0xc);
- w0(val); w2(0xd);
- w0(0); w2(0xc);
- break;
-
- case 2: w2(0xc); w0(regr); w2(0x8); w2(0xc);
- w4(val); w4(0);
- w2(0xc);
- break;
-
- }
-}
-
-static int fit3_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b;
-
- if (cont) {
- if (regr != 6) return 0xff;
- regr = 7;
- }
-
- switch (pi->mode) {
-
- case 0: w2(0xc); w0(regr + 0x10); w2(0x8); w2(0xc);
- w2(0xd); a = r1();
- w2(0xf); b = r1();
- w2(0xc);
- return j44(a,b);
-
- case 1: w2(0xc); w0(regr + 0x90); w2(0x8); w2(0xc);
- w2(0xec); w2(0xee); w2(0xef); a = r0();
- w2(0xc);
- return a;
-
- case 2: w2(0xc); w0(regr + 0x90); w2(0x8); w2(0xc);
- w2(0xec);
- a = r4(); b = r4();
- w2(0xc);
- return a;
-
- }
- return -1;
-
-}
-
-static void fit3_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b, c, d;
-
- switch (pi->mode) {
-
- case 0: w2(0xc); w0(0x10); w2(0x8); w2(0xc);
- for (k=0;k<count/2;k++) {
- w2(0xd); a = r1();
- w2(0xf); b = r1();
- w2(0xc); c = r1();
- w2(0xe); d = r1();
- buf[2*k ] = j44(a,b);
- buf[2*k+1] = j44(c,d);
- }
- w2(0xc);
- break;
-
- case 1: w2(0xc); w0(0x90); w2(0x8); w2(0xc);
- w2(0xec); w2(0xee);
- for (k=0;k<count/2;k++) {
- w2(0xef); a = r0();
- w2(0xee); b = r0();
- buf[2*k ] = a;
- buf[2*k+1] = b;
- }
- w2(0xec);
- w2(0xc);
- break;
-
- case 2: w2(0xc); w0(0x90); w2(0x8); w2(0xc);
- w2(0xec);
- for (k=0;k<count;k++) buf[k] = r4();
- w2(0xc);
- break;
-
- }
-}
-
-static void fit3_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w2(0xc); w0(0); w2(0x8); w2(0xc);
- for (k=0;k<count/2;k++) {
- w0(buf[2*k ]); w2(0xd);
- w0(buf[2*k+1]); w2(0xc);
- }
- break;
-
- case 2: w2(0xc); w0(0); w2(0x8); w2(0xc);
- for (k=0;k<count;k++) w4(buf[k]);
- w2(0xc);
- break;
- }
-}
-
-static void fit3_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(0xc); w0(0); w2(0xa);
- if (pi->mode == 2) {
- w2(0xc); w0(0x9); w2(0x8); w2(0xc);
- }
-}
-
-static void fit3_disconnect ( PIA *pi )
-
-{ w2(0xc); w0(0xa); w2(0x8); w2(0xc);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void fit3_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[3] = {"4-bit","8-bit","EPP"};
-
- printk("%s: fit3 %s, FIT 3000 adapter at 0x%x, "
- "mode %d (%s), delay %d\n",
- pi->device,FIT3_VERSION,pi->port,
- pi->mode,mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol fit3 = {
- .owner = THIS_MODULE,
- .name = "fit3",
- .max_mode = 3,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = fit3_write_regr,
- .read_regr = fit3_read_regr,
- .write_block = fit3_write_block,
- .read_block = fit3_read_block,
- .connect = fit3_connect,
- .disconnect = fit3_disconnect,
- .log_adapter = fit3_log_adapter,
-};
-
-static int __init fit3_init(void)
-{
- return paride_register(&fit3);
-}
-
-static void __exit fit3_exit(void)
-{
- paride_unregister(&fit3);
-}
-
-MODULE_LICENSE("GPL");
-module_init(fit3_init)
-module_exit(fit3_exit)
+++ /dev/null
-/*
- friq.c (c) 1998 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License
-
- friq.c is a low-level protocol driver for the Freecom "IQ"
- parallel port IDE adapter. Early versions of this adapter
- use the 'frpw' protocol.
-
- Freecom uses this adapter in a battery powered external
- CD-ROM drive. It is also used in LS-120 drives by
- Maxell and Panasonic, and other devices.
-
- The battery powered drive requires software support to
- control the power to the drive. This module enables the
- drive power when the high level driver (pcd) is loaded
- and disables it when the module is unloaded. Note, if
- the friq module is built in to the kernel, the power
- will never be switched off, so other means should be
- used to conserve battery power.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.12.20 Added support for soft power switch
-*/
-
-#define FRIQ_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define CMD(x) w2(4);w0(0xff);w0(0xff);w0(0x73);w0(0x73);\
- w0(0xc9);w0(0xc9);w0(0x26);w0(0x26);w0(x);w0(x);
-
-#define j44(l,h) (((l>>4)&0x0f)|(h&0xf0))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x08, 0x10 };
-
-static int friq_read_regr( PIA *pi, int cont, int regr )
-
-{ int h,l,r;
-
- r = regr + cont_map[cont];
-
- CMD(r);
- w2(6); l = r1();
- w2(4); h = r1();
- w2(4);
-
- return j44(l,h);
-
-}
-
-static void friq_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- CMD(r);
- w0(val);
- w2(5);w2(7);w2(5);w2(4);
-}
-
-static void friq_read_block_int( PIA *pi, char * buf, int count, int regr )
-
-{ int h, l, k, ph;
-
- switch(pi->mode) {
-
- case 0: CMD(regr);
- for (k=0;k<count;k++) {
- w2(6); l = r1();
- w2(4); h = r1();
- buf[k] = j44(l,h);
- }
- w2(4);
- break;
-
- case 1: ph = 2;
- CMD(regr+0xc0);
- w0(0xff);
- for (k=0;k<count;k++) {
- w2(0xa4 + ph);
- buf[k] = r0();
- ph = 2 - ph;
- }
- w2(0xac); w2(0xa4); w2(4);
- break;
-
- case 2: CMD(regr+0x80);
- for (k=0;k<count-2;k++) buf[k] = r4();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- case 3: CMD(regr+0x80);
- for (k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- case 4: CMD(regr+0x80);
- for (k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
- buf[count-4] = r4();
- buf[count-3] = r4();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- }
-}
-
-static void friq_read_block( PIA *pi, char * buf, int count)
-
-{ friq_read_block_int(pi,buf,count,0x08);
-}
-
-static void friq_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch(pi->mode) {
-
- case 0:
- case 1: CMD(8); w2(5);
- for (k=0;k<count;k++) {
- w0(buf[k]);
- w2(7);w2(5);
- }
- w2(4);
- break;
-
- case 2: CMD(0xc8); w2(5);
- for (k=0;k<count;k++) w4(buf[k]);
- w2(4);
- break;
-
- case 3: CMD(0xc8); w2(5);
- for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
- w2(4);
- break;
-
- case 4: CMD(0xc8); w2(5);
- for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
- w2(4);
- break;
- }
-}
-
-static void friq_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(4);
-}
-
-static void friq_disconnect ( PIA *pi )
-
-{ CMD(0x20);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static int friq_test_proto( PIA *pi, char * scratch, int verbose )
-
-{ int j, k, r;
- int e[2] = {0,0};
-
- pi->saved_r0 = r0();
- w0(0xff); udelay(20); CMD(0x3d); /* turn the power on */
- udelay(500);
- w0(pi->saved_r0);
-
- friq_connect(pi);
- for (j=0;j<2;j++) {
- friq_write_regr(pi,0,6,0xa0+j*0x10);
- for (k=0;k<256;k++) {
- friq_write_regr(pi,0,2,k^0xaa);
- friq_write_regr(pi,0,3,k^0x55);
- if (friq_read_regr(pi,0,2) != (k^0xaa)) e[j]++;
- }
- }
- friq_disconnect(pi);
-
- friq_connect(pi);
- friq_read_block_int(pi,scratch,512,0x10);
- r = 0;
- for (k=0;k<128;k++) if (scratch[k] != k) r++;
- friq_disconnect(pi);
-
- if (verbose) {
- printk("%s: friq: port 0x%x, mode %d, test=(%d,%d,%d)\n",
- pi->device,pi->port,pi->mode,e[0],e[1],r);
- }
-
- return (r || (e[0] && e[1]));
-}
-
-
-static void friq_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[6] = {"4-bit","8-bit",
- "EPP-8","EPP-16","EPP-32"};
-
- printk("%s: friq %s, Freecom IQ ASIC-2 adapter at 0x%x, ", pi->device,
- FRIQ_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
- pi->private = 1;
- friq_connect(pi);
- CMD(0x9e); /* disable sleep timer */
- friq_disconnect(pi);
-
-}
-
-static void friq_release_proto( PIA *pi)
-{
- if (pi->private) { /* turn off the power */
- friq_connect(pi);
- CMD(0x1d); CMD(0x1e);
- friq_disconnect(pi);
- pi->private = 0;
- }
-}
-
-static struct pi_protocol friq = {
- .owner = THIS_MODULE,
- .name = "friq",
- .max_mode = 5,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = friq_write_regr,
- .read_regr = friq_read_regr,
- .write_block = friq_write_block,
- .read_block = friq_read_block,
- .connect = friq_connect,
- .disconnect = friq_disconnect,
- .test_proto = friq_test_proto,
- .log_adapter = friq_log_adapter,
- .release_proto = friq_release_proto,
-};
-
-static int __init friq_init(void)
-{
- return paride_register(&friq);
-}
-
-static void __exit friq_exit(void)
-{
- paride_unregister(&friq);
-}
-
-MODULE_LICENSE("GPL");
-module_init(friq_init)
-module_exit(friq_exit)
+++ /dev/null
-/*
- frpw.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License
-
- frpw.c is a low-level protocol driver for the Freecom "Power"
- parallel port IDE adapter.
-
- Some applications of this adapter may require a "printer" reset
- prior to loading the driver. This can be done by loading and
- unloading the "lp" driver, or it can be done by this driver
- if you define FRPW_HARD_RESET. The latter is not recommended
- as it may upset devices on other ports.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
- fix chip detect
- added EPP-16 and EPP-32
- 1.02 GRG 1998.09.23 added hard reset to initialisation process
- 1.03 GRG 1998.12.14 made hard reset conditional
-
-*/
-
-#define FRPW_VERSION "1.03"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define cec4 w2(0xc);w2(0xe);w2(0xe);w2(0xc);w2(4);w2(4);w2(4);
-#define j44(l,h) (((l>>4)&0x0f)|(h&0xf0))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x08, 0x10 };
-
-static int frpw_read_regr( PIA *pi, int cont, int regr )
-
-{ int h,l,r;
-
- r = regr + cont_map[cont];
-
- w2(4);
- w0(r); cec4;
- w2(6); l = r1();
- w2(4); h = r1();
- w2(4);
-
- return j44(l,h);
-
-}
-
-static void frpw_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- w2(4); w0(r); cec4;
- w0(val);
- w2(5);w2(7);w2(5);w2(4);
-}
-
-static void frpw_read_block_int( PIA *pi, char * buf, int count, int regr )
-
-{ int h, l, k, ph;
-
- switch(pi->mode) {
-
- case 0: w2(4); w0(regr); cec4;
- for (k=0;k<count;k++) {
- w2(6); l = r1();
- w2(4); h = r1();
- buf[k] = j44(l,h);
- }
- w2(4);
- break;
-
- case 1: ph = 2;
- w2(4); w0(regr + 0xc0); cec4;
- w0(0xff);
- for (k=0;k<count;k++) {
- w2(0xa4 + ph);
- buf[k] = r0();
- ph = 2 - ph;
- }
- w2(0xac); w2(0xa4); w2(4);
- break;
-
- case 2: w2(4); w0(regr + 0x80); cec4;
- for (k=0;k<count;k++) buf[k] = r4();
- w2(0xac); w2(0xa4);
- w2(4);
- break;
-
- case 3: w2(4); w0(regr + 0x80); cec4;
- for (k=0;k<count-2;k++) buf[k] = r4();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- case 4: w2(4); w0(regr + 0x80); cec4;
- for (k=0;k<(count/2)-1;k++) ((u16 *)buf)[k] = r4w();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- case 5: w2(4); w0(regr + 0x80); cec4;
- for (k=0;k<(count/4)-1;k++) ((u32 *)buf)[k] = r4l();
- buf[count-4] = r4();
- buf[count-3] = r4();
- w2(0xac); w2(0xa4);
- buf[count-2] = r4();
- buf[count-1] = r4();
- w2(4);
- break;
-
- }
-}
-
-static void frpw_read_block( PIA *pi, char * buf, int count)
-
-{ frpw_read_block_int(pi,buf,count,0x08);
-}
-
-static void frpw_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch(pi->mode) {
-
- case 0:
- case 1:
- case 2: w2(4); w0(8); cec4; w2(5);
- for (k=0;k<count;k++) {
- w0(buf[k]);
- w2(7);w2(5);
- }
- w2(4);
- break;
-
- case 3: w2(4); w0(0xc8); cec4; w2(5);
- for (k=0;k<count;k++) w4(buf[k]);
- w2(4);
- break;
-
- case 4: w2(4); w0(0xc8); cec4; w2(5);
- for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
- w2(4);
- break;
-
- case 5: w2(4); w0(0xc8); cec4; w2(5);
- for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
- w2(4);
- break;
- }
-}
-
-static void frpw_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(4);
-}
-
-static void frpw_disconnect ( PIA *pi )
-
-{ w2(4); w0(0x20); cec4;
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-/* Stub logic to see if PNP string is available - used to distinguish
- between the Xilinx and ASIC implementations of the Freecom adapter.
-*/
-
-static int frpw_test_pnp ( PIA *pi )
-
-/* returns chip_type: 0 = Xilinx, 1 = ASIC */
-
-{ int olddelay, a, b;
-
-#ifdef FRPW_HARD_RESET
- w0(0); w2(8); udelay(50); w2(0xc); /* parallel bus reset */
- mdelay(1500);
-#endif
-
- olddelay = pi->delay;
- pi->delay = 10;
-
- pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- w2(4); w0(4); w2(6); w2(7);
- a = r1() & 0xff; w2(4); b = r1() & 0xff;
- w2(0xc); w2(0xe); w2(4);
-
- pi->delay = olddelay;
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-
- return ((~a&0x40) && (b&0x40));
-}
-
-/* We use the pi->private to remember the result of the PNP test.
- To make this work, private = port*2 + chip. Yes, I know it's
- a hack :-(
-*/
-
-static int frpw_test_proto( PIA *pi, char * scratch, int verbose )
-
-{ int j, k, r;
- int e[2] = {0,0};
-
- if ((pi->private>>1) != pi->port)
- pi->private = frpw_test_pnp(pi) + 2*pi->port;
-
- if (((pi->private%2) == 0) && (pi->mode > 2)) {
- if (verbose)
- printk("%s: frpw: Xilinx does not support mode %d\n",
- pi->device, pi->mode);
- return 1;
- }
-
- if (((pi->private%2) == 1) && (pi->mode == 2)) {
- if (verbose)
- printk("%s: frpw: ASIC does not support mode 2\n",
- pi->device);
- return 1;
- }
-
- frpw_connect(pi);
- for (j=0;j<2;j++) {
- frpw_write_regr(pi,0,6,0xa0+j*0x10);
- for (k=0;k<256;k++) {
- frpw_write_regr(pi,0,2,k^0xaa);
- frpw_write_regr(pi,0,3,k^0x55);
- if (frpw_read_regr(pi,0,2) != (k^0xaa)) e[j]++;
- }
- }
- frpw_disconnect(pi);
-
- frpw_connect(pi);
- frpw_read_block_int(pi,scratch,512,0x10);
- r = 0;
- for (k=0;k<128;k++) if (scratch[k] != k) r++;
- frpw_disconnect(pi);
-
- if (verbose) {
- printk("%s: frpw: port 0x%x, chip %ld, mode %d, test=(%d,%d,%d)\n",
- pi->device,pi->port,(pi->private%2),pi->mode,e[0],e[1],r);
- }
-
- return (r || (e[0] && e[1]));
-}
-
-
-static void frpw_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[6] = {"4-bit","8-bit","EPP",
- "EPP-8","EPP-16","EPP-32"};
-
- printk("%s: frpw %s, Freecom (%s) adapter at 0x%x, ", pi->device,
- FRPW_VERSION,((pi->private%2) == 0)?"Xilinx":"ASIC",pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol frpw = {
- .owner = THIS_MODULE,
- .name = "frpw",
- .max_mode = 6,
- .epp_first = 2,
- .default_delay = 2,
- .max_units = 1,
- .write_regr = frpw_write_regr,
- .read_regr = frpw_read_regr,
- .write_block = frpw_write_block,
- .read_block = frpw_read_block,
- .connect = frpw_connect,
- .disconnect = frpw_disconnect,
- .test_proto = frpw_test_proto,
- .log_adapter = frpw_log_adapter,
-};
-
-static int __init frpw_init(void)
-{
- return paride_register(&frpw);
-}
-
-static void __exit frpw_exit(void)
-{
- paride_unregister(&frpw);
-}
-
-MODULE_LICENSE("GPL");
-module_init(frpw_init)
-module_exit(frpw_exit)
+++ /dev/null
-/*
- kbic.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- This is a low-level driver for the KBIC-951A and KBIC-971A
- parallel to IDE adapter chips from KingByte Information Systems.
-
- The chips are almost identical, however, the wakeup code
- required for the 971A interferes with the correct operation of
- the 951A, so this driver registers itself twice, once for
- each chip.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
-
-*/
-
-#define KBIC_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define r12w() (delay_p,inw(pi->port+1)&0xffff)
-
-#define j44(a,b) ((((a>>4)&0x0f)|(b&0xf0))^0x88)
-#define j53(w) (((w>>3)&0x1f)|((w>>4)&0xe0))
-
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x80, 0x40 };
-
-static int kbic_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, s;
-
- s = cont_map[cont];
-
- switch (pi->mode) {
-
- case 0: w0(regr|0x18|s); w2(4); w2(6); w2(4); w2(1); w0(8);
- a = r1(); w0(0x28); b = r1(); w2(4);
- return j44(a,b);
-
- case 1: w0(regr|0x38|s); w2(4); w2(6); w2(4); w2(5); w0(8);
- a = r12w(); w2(4);
- return j53(a);
-
- case 2: w0(regr|0x08|s); w2(4); w2(6); w2(4); w2(0xa5); w2(0xa1);
- a = r0(); w2(4);
- return a;
-
- case 3:
- case 4:
- case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr);
- a = r4(); b = r4(); w2(4); w2(0); w2(4);
- return a;
-
- }
- return -1;
-}
-
-static void kbic_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int s;
-
- s = cont_map[cont];
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: w0(regr|0x10|s); w2(4); w2(6); w2(4);
- w0(val); w2(5); w2(4);
- break;
-
- case 3:
- case 4:
- case 5: w0(0x20|s); w2(4); w2(6); w2(4); w3(regr);
- w4(val); w4(val);
- w2(4); w2(0); w2(4);
- break;
-
- }
-}
-
-static void k951_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(4);
-}
-
-static void k951_disconnect ( PIA *pi )
-
-{ w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-#define CCP(x) w2(0xc4);w0(0xaa);w0(0x55);w0(0);w0(0xff);w0(0x87);\
- w0(0x78);w0(x);w2(0xc5);w2(0xc4);w0(0xff);
-
-static void k971_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- CCP(0x20);
- w2(4);
-}
-
-static void k971_disconnect ( PIA *pi )
-
-{ CCP(0x30);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-/* counts must be congruent to 0 MOD 4, but all known applications
- have this property.
-*/
-
-static void kbic_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b;
-
- switch (pi->mode) {
-
- case 0: w0(0x98); w2(4); w2(6); w2(4);
- for (k=0;k<count/2;k++) {
- w2(1); w0(8); a = r1();
- w0(0x28); b = r1();
- buf[2*k] = j44(a,b);
- w2(5); b = r1();
- w0(8); a = r1();
- buf[2*k+1] = j44(a,b);
- w2(4);
- }
- break;
-
- case 1: w0(0xb8); w2(4); w2(6); w2(4);
- for (k=0;k<count/4;k++) {
- w0(0xb8);
- w2(4); w2(5);
- w0(8); buf[4*k] = j53(r12w());
- w0(0xb8); buf[4*k+1] = j53(r12w());
- w2(4); w2(5);
- buf[4*k+3] = j53(r12w());
- w0(8); buf[4*k+2] = j53(r12w());
- }
- w2(4);
- break;
-
- case 2: w0(0x88); w2(4); w2(6); w2(4);
- for (k=0;k<count/2;k++) {
- w2(0xa0); w2(0xa1); buf[2*k] = r0();
- w2(0xa5); buf[2*k+1] = r0();
- }
- w2(4);
- break;
-
- case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for (k=0;k<count;k++) buf[k] = r4();
- w2(4); w2(0); w2(4);
- break;
-
- case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
- w2(4); w2(0); w2(4);
- break;
-
- case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
- w2(4); w2(0); w2(4);
- break;
-
-
- }
-}
-
-static void kbic_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch (pi->mode) {
-
- case 0:
- case 1:
- case 2: w0(0x90); w2(4); w2(6); w2(4);
- for(k=0;k<count/2;k++) {
- w0(buf[2*k+1]); w2(0); w2(4);
- w0(buf[2*k]); w2(5); w2(4);
- }
- break;
-
- case 3: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for(k=0;k<count/2;k++) {
- w4(buf[2*k+1]);
- w4(buf[2*k]);
- }
- w2(4); w2(0); w2(4);
- break;
-
- case 4: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for(k=0;k<count/2;k++) w4w(pi_swab16(buf,k));
- w2(4); w2(0); w2(4);
- break;
-
- case 5: w0(0xa0); w2(4); w2(6); w2(4); w3(0);
- for(k=0;k<count/4;k++) w4l(pi_swab32(buf,k));
- w2(4); w2(0); w2(4);
- break;
-
- }
-
-}
-
-static void kbic_log_adapter( PIA *pi, char * scratch,
- int verbose, char * chip )
-
-{ char *mode_string[6] = {"4-bit","5/3","8-bit",
- "EPP-8","EPP_16","EPP-32"};
-
- printk("%s: kbic %s, KingByte %s at 0x%x, ",
- pi->device,KBIC_VERSION,chip,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static void k951_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ kbic_log_adapter(pi,scratch,verbose,"KBIC-951A");
-}
-
-static void k971_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ kbic_log_adapter(pi,scratch,verbose,"KBIC-971A");
-}
-
-static struct pi_protocol k951 = {
- .owner = THIS_MODULE,
- .name = "k951",
- .max_mode = 6,
- .epp_first = 3,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = kbic_write_regr,
- .read_regr = kbic_read_regr,
- .write_block = kbic_write_block,
- .read_block = kbic_read_block,
- .connect = k951_connect,
- .disconnect = k951_disconnect,
- .log_adapter = k951_log_adapter,
-};
-
-static struct pi_protocol k971 = {
- .owner = THIS_MODULE,
- .name = "k971",
- .max_mode = 6,
- .epp_first = 3,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = kbic_write_regr,
- .read_regr = kbic_read_regr,
- .write_block = kbic_write_block,
- .read_block = kbic_read_block,
- .connect = k971_connect,
- .disconnect = k971_disconnect,
- .log_adapter = k971_log_adapter,
-};
-
-static int __init kbic_init(void)
-{
- int rv;
-
- rv = paride_register(&k951);
- if (rv < 0)
- return rv;
- rv = paride_register(&k971);
- if (rv < 0)
- paride_unregister(&k951);
- return rv;
-}
-
-static void __exit kbic_exit(void)
-{
- paride_unregister(&k951);
- paride_unregister(&k971);
-}
-
-MODULE_LICENSE("GPL");
-module_init(kbic_init)
-module_exit(kbic_exit)
+++ /dev/null
-/*
- ktti.c (c) 1998 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- ktti.c is a low-level protocol driver for the KT Technology
- parallel port adapter. This adapter is used in the "PHd"
- portable hard-drives. As far as I can tell, this device
- supports 4-bit mode _only_.
-
-*/
-
-#define KTTI_VERSION "1.0"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int cont_map[2] = { 0x10, 0x08 };
-
-static void ktti_write_regr( PIA *pi, int cont, int regr, int val)
-
-{ int r;
-
- r = regr + cont_map[cont];
-
- w0(r); w2(0xb); w2(0xa); w2(3); w2(6);
- w0(val); w2(3); w0(0); w2(6); w2(0xb);
-}
-
-static int ktti_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- r = regr + cont_map[cont];
-
- w0(r); w2(0xb); w2(0xa); w2(9); w2(0xc); w2(9);
- a = r1(); w2(0xc); b = r1(); w2(9); w2(0xc); w2(9);
- return j44(a,b);
-
-}
-
-static void ktti_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b;
-
- for (k=0;k<count/2;k++) {
- w0(0x10); w2(0xb); w2(0xa); w2(9); w2(0xc); w2(9);
- a = r1(); w2(0xc); b = r1(); w2(9);
- buf[2*k] = j44(a,b);
- a = r1(); w2(0xc); b = r1(); w2(9);
- buf[2*k+1] = j44(a,b);
- }
-}
-
-static void ktti_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- for (k=0;k<count/2;k++) {
- w0(0x10); w2(0xb); w2(0xa); w2(3); w2(6);
- w0(buf[2*k]); w2(3);
- w0(buf[2*k+1]); w2(6);
- w2(0xb);
- }
-}
-
-static void ktti_connect ( PIA *pi )
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
- w2(0xb); w2(0xa); w0(0); w2(3); w2(6);
-}
-
-static void ktti_disconnect ( PIA *pi )
-
-{ w2(0xb); w2(0xa); w0(0xa0); w2(3); w2(4);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void ktti_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ printk("%s: ktti %s, KT adapter at 0x%x, delay %d\n",
- pi->device,KTTI_VERSION,pi->port,pi->delay);
-
-}
-
-static struct pi_protocol ktti = {
- .owner = THIS_MODULE,
- .name = "ktti",
- .max_mode = 1,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = ktti_write_regr,
- .read_regr = ktti_read_regr,
- .write_block = ktti_write_block,
- .read_block = ktti_read_block,
- .connect = ktti_connect,
- .disconnect = ktti_disconnect,
- .log_adapter = ktti_log_adapter,
-};
-
-static int __init ktti_init(void)
-{
- return paride_register(&ktti);
-}
-
-static void __exit ktti_exit(void)
-{
- paride_unregister(&ktti);
-}
-
-MODULE_LICENSE("GPL");
-module_init(ktti_init)
-module_exit(ktti_exit)
+++ /dev/null
-/*
- on20.c (c) 1996-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- on20.c is a low-level protocol driver for the
- Onspec 90c20 parallel to IDE adapter.
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
-
-*/
-
-#define ON20_VERSION "1.01"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-#define op(f) w2(4);w0(f);w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4);
-#define vl(v) w2(4);w0(v);w2(5);w2(7);w2(5);w2(4);
-
-#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int on20_read_regr( PIA *pi, int cont, int regr )
-
-{ int h,l, r ;
-
- r = (regr<<2) + 1 + cont;
-
- op(1); vl(r); op(0);
-
- switch (pi->mode) {
-
- case 0: w2(4); w2(6); l = r1();
- w2(4); w2(6); h = r1();
- w2(4); w2(6); w2(4); w2(6); w2(4);
- return j44(l,h);
-
- case 1: w2(4); w2(0x26); r = r0();
- w2(4); w2(0x26); w2(4);
- return r;
-
- }
- return -1;
-}
-
-static void on20_write_regr( PIA *pi, int cont, int regr, int val )
-
-{ int r;
-
- r = (regr<<2) + 1 + cont;
-
- op(1); vl(r);
- op(0); vl(val);
- op(0); vl(val);
-}
-
-static void on20_connect ( PIA *pi)
-
-{ pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- w2(4);w0(0);w2(0xc);w2(4);w2(6);w2(4);w2(6);w2(4);
- if (pi->mode) { op(2); vl(8); op(2); vl(9); }
- else { op(2); vl(0); op(2); vl(8); }
-}
-
-static void on20_disconnect ( PIA *pi )
-
-{ w2(4);w0(7);w2(4);w2(0xc);w2(4);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-static void on20_read_block( PIA *pi, char * buf, int count )
-
-{ int k, l, h;
-
- op(1); vl(1); op(0);
-
- for (k=0;k<count;k++)
- if (pi->mode) {
- w2(4); w2(0x26); buf[k] = r0();
- } else {
- w2(6); l = r1(); w2(4);
- w2(6); h = r1(); w2(4);
- buf[k] = j44(l,h);
- }
- w2(4);
-}
-
-static void on20_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- op(1); vl(1); op(0);
-
- for (k=0;k<count;k++) { w2(5); w0(buf[k]); w2(7); }
- w2(4);
-}
-
-static void on20_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[2] = {"4-bit","8-bit"};
-
- printk("%s: on20 %s, OnSpec 90c20 at 0x%x, ",
- pi->device,ON20_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol on20 = {
- .owner = THIS_MODULE,
- .name = "on20",
- .max_mode = 2,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = on20_write_regr,
- .read_regr = on20_read_regr,
- .write_block = on20_write_block,
- .read_block = on20_read_block,
- .connect = on20_connect,
- .disconnect = on20_disconnect,
- .log_adapter = on20_log_adapter,
-};
-
-static int __init on20_init(void)
-{
- return paride_register(&on20);
-}
-
-static void __exit on20_exit(void)
-{
- paride_unregister(&on20);
-}
-
-MODULE_LICENSE("GPL");
-module_init(on20_init)
-module_exit(on20_exit)
+++ /dev/null
-/*
- on26.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
- Under the terms of the GNU General Public License.
-
- on26.c is a low-level protocol driver for the
- OnSpec 90c26 parallel to IDE adapter chip.
-
-*/
-
-/* Changes:
-
- 1.01 GRG 1998.05.06 init_proto, release_proto
- 1.02 GRG 1998.09.23 updates for the -E rev chip
- 1.03 GRG 1998.12.14 fix for slave drives
- 1.04 GRG 1998.12.20 yet another bug fix
-
-*/
-
-#define ON26_VERSION "1.04"
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <asm/io.h>
-
-#include <linux/pata_parport.h>
-
-/* mode codes: 0 nybble reads, 8-bit writes
- 1 8-bit reads and writes
- 2 8-bit EPP mode
- 3 EPP-16
- 4 EPP-32
-*/
-
-#define j44(a,b) (((a>>4)&0x0f)|(b&0xf0))
-
-#define P1 w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4);
-#define P2 w2(5);w2(7);w2(5);w2(4);
-
-/* cont = 0 - access the IDE register file
- cont = 1 - access the IDE command set
-*/
-
-static int on26_read_regr( PIA *pi, int cont, int regr )
-
-{ int a, b, r;
-
- r = (regr<<2) + 1 + cont;
-
- switch (pi->mode) {
-
- case 0: w0(1); P1; w0(r); P2; w0(0); P1;
- w2(6); a = r1(); w2(4);
- w2(6); b = r1(); w2(4);
- w2(6); w2(4); w2(6); w2(4);
- return j44(a,b);
-
- case 1: w0(1); P1; w0(r); P2; w0(0); P1;
- w2(0x26); a = r0(); w2(4); w2(0x26); w2(4);
- return a;
-
- case 2:
- case 3:
- case 4: w3(1); w3(1); w2(5); w4(r); w2(4);
- w3(0); w3(0); w2(0x24); a = r4(); w2(4);
- w2(0x24); (void)r4(); w2(4);
- return a;
-
- }
- return -1;
-}
-
-static void on26_write_regr( PIA *pi, int cont, int regr, int val )
-
-{ int r;
-
- r = (regr<<2) + 1 + cont;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(1); P1; w0(r); P2; w0(0); P1;
- w0(val); P2; w0(val); P2;
- break;
-
- case 2:
- case 3:
- case 4: w3(1); w3(1); w2(5); w4(r); w2(4);
- w3(0); w3(0);
- w2(5); w4(val); w2(4);
- w2(5); w4(val); w2(4);
- break;
- }
-}
-
-#define CCP(x) w0(0xfe);w0(0xaa);w0(0x55);w0(0);w0(0xff);\
- w0(0x87);w0(0x78);w0(x);w2(4);w2(5);w2(4);w0(0xff);
-
-static void on26_connect ( PIA *pi )
-
-{ int x;
-
- pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- CCP(0x20);
- x = 8; if (pi->mode) x = 9;
-
- w0(2); P1; w0(8); P2;
- w0(2); P1; w0(x); P2;
-}
-
-static void on26_disconnect ( PIA *pi )
-
-{ if (pi->mode >= 2) { w3(4); w3(4); w3(4); w3(4); }
- else { w0(4); P1; w0(4); P1; }
- CCP(0x30);
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-}
-
-#define RESET_WAIT 200
-
-static int on26_test_port( PIA *pi) /* hard reset */
-
-{ int i, m, d, x=0, y=0;
-
- pi->saved_r0 = r0();
- pi->saved_r2 = r2();
-
- d = pi->delay;
- m = pi->mode;
- pi->delay = 5;
- pi->mode = 0;
-
- w2(0xc);
-
- CCP(0x30); CCP(0);
-
- w0(0xfe);w0(0xaa);w0(0x55);w0(0);w0(0xff);
- i = ((r1() & 0xf0) << 4); w0(0x87);
- i |= (r1() & 0xf0); w0(0x78);
- w0(0x20);w2(4);w2(5);
- i |= ((r1() & 0xf0) >> 4);
- w2(4);w0(0xff);
-
- if (i == 0xb5f) {
-
- w0(2); P1; w0(0); P2;
- w0(3); P1; w0(0); P2;
- w0(2); P1; w0(8); P2; udelay(100);
- w0(2); P1; w0(0xa); P2; udelay(100);
- w0(2); P1; w0(8); P2; udelay(1000);
-
- on26_write_regr(pi,0,6,0xa0);
-
- for (i=0;i<RESET_WAIT;i++) {
- on26_write_regr(pi,0,6,0xa0);
- x = on26_read_regr(pi,0,7);
- on26_write_regr(pi,0,6,0xb0);
- y = on26_read_regr(pi,0,7);
- if (!((x&0x80)||(y&0x80))) break;
- mdelay(100);
- }
-
- if (i == RESET_WAIT)
- printk("on26: Device reset failed (%x,%x)\n",x,y);
-
- w0(4); P1; w0(4); P1;
- }
-
- CCP(0x30);
-
- pi->delay = d;
- pi->mode = m;
- w0(pi->saved_r0);
- w2(pi->saved_r2);
-
- return 5;
-}
-
-
-static void on26_read_block( PIA *pi, char * buf, int count )
-
-{ int k, a, b;
-
- switch (pi->mode) {
-
- case 0: w0(1); P1; w0(1); P2; w0(2); P1; w0(0x18); P2; w0(0); P1;
- udelay(10);
- for (k=0;k<count;k++) {
- w2(6); a = r1();
- w2(4); b = r1();
- buf[k] = j44(a,b);
- }
- w0(2); P1; w0(8); P2;
- break;
-
- case 1: w0(1); P1; w0(1); P2; w0(2); P1; w0(0x19); P2; w0(0); P1;
- udelay(10);
- for (k=0;k<count/2;k++) {
- w2(0x26); buf[2*k] = r0();
- w2(0x24); buf[2*k+1] = r0();
- }
- w0(2); P1; w0(9); P2;
- break;
-
- case 2: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0x24);
- udelay(10);
- for (k=0;k<count;k++) buf[k] = r4();
- w2(4);
- break;
-
- case 3: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0x24);
- udelay(10);
- for (k=0;k<count/2;k++) ((u16 *)buf)[k] = r4w();
- w2(4);
- break;
-
- case 4: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0x24);
- udelay(10);
- for (k=0;k<count/4;k++) ((u32 *)buf)[k] = r4l();
- w2(4);
- break;
-
- }
-}
-
-static void on26_write_block( PIA *pi, char * buf, int count )
-
-{ int k;
-
- switch (pi->mode) {
-
- case 0:
- case 1: w0(1); P1; w0(1); P2;
- w0(2); P1; w0(0x18+pi->mode); P2; w0(0); P1;
- udelay(10);
- for (k=0;k<count/2;k++) {
- w2(5); w0(buf[2*k]);
- w2(7); w0(buf[2*k+1]);
- }
- w2(5); w2(4);
- w0(2); P1; w0(8+pi->mode); P2;
- break;
-
- case 2: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0xc5);
- udelay(10);
- for (k=0;k<count;k++) w4(buf[k]);
- w2(0xc4);
- break;
-
- case 3: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0xc5);
- udelay(10);
- for (k=0;k<count/2;k++) w4w(((u16 *)buf)[k]);
- w2(0xc4);
- break;
-
- case 4: w3(1); w3(1); w2(5); w4(1); w2(4);
- w3(0); w3(0); w2(0xc5);
- udelay(10);
- for (k=0;k<count/4;k++) w4l(((u32 *)buf)[k]);
- w2(0xc4);
- break;
-
- }
-
-}
-
-static void on26_log_adapter( PIA *pi, char * scratch, int verbose )
-
-{ char *mode_string[5] = {"4-bit","8-bit","EPP-8",
- "EPP-16","EPP-32"};
-
- printk("%s: on26 %s, OnSpec 90c26 at 0x%x, ",
- pi->device,ON26_VERSION,pi->port);
- printk("mode %d (%s), delay %d\n",pi->mode,
- mode_string[pi->mode],pi->delay);
-
-}
-
-static struct pi_protocol on26 = {
- .owner = THIS_MODULE,
- .name = "on26",
- .max_mode = 5,
- .epp_first = 2,
- .default_delay = 1,
- .max_units = 1,
- .write_regr = on26_write_regr,
- .read_regr = on26_read_regr,
- .write_block = on26_write_block,
- .read_block = on26_read_block,
- .connect = on26_connect,
- .disconnect = on26_disconnect,
- .test_port = on26_test_port,
- .log_adapter = on26_log_adapter,
-};
-
-static int __init on26_init(void)
-{
- return paride_register(&on26);
-}
-
-static void __exit on26_exit(void)
-{
- paride_unregister(&on26);
-}
-
-MODULE_LICENSE("GPL");
-module_init(on26_init)
-module_exit(on26_exit)
+++ /dev/null
-/*
- ppc6lnx.c (c) 2001 Micro Solutions Inc.
- Released under the terms of the GNU General Public license
-
- ppc6lnx.c is a par of the protocol driver for the Micro Solutions
- "BACKPACK" parallel port IDE adapter
- (Works on Series 6 drives)
-
-*/
-
-//***************************************************************************
-
-// PPC 6 Code in C sanitized for LINUX
-// Original x86 ASM by Ron, Converted to C by Clive
-
-//***************************************************************************
-
-
-#define port_stb 1
-#define port_afd 2
-#define cmd_stb port_afd
-#define port_init 4
-#define data_stb port_init
-#define port_sel 8
-#define port_int 16
-#define port_dir 0x20
-
-#define ECR_EPP 0x80
-#define ECR_BI 0x20
-
-//***************************************************************************
-
-// 60772 Commands
-
-#define ACCESS_REG 0x00
-#define ACCESS_PORT 0x40
-
-#define ACCESS_READ 0x00
-#define ACCESS_WRITE 0x20
-
-// 60772 Command Prefix
-
-#define CMD_PREFIX_SET 0xe0 // Special command that modifies the next command's operation
-#define CMD_PREFIX_RESET 0xc0 // Resets current cmd modifier reg bits
- #define PREFIX_IO16 0x01 // perform 16-bit wide I/O
- #define PREFIX_FASTWR 0x04 // enable PPC mode fast-write
- #define PREFIX_BLK 0x08 // enable block transfer mode
-
-// 60772 Registers
-
-#define REG_STATUS 0x00 // status register
- #define STATUS_IRQA 0x01 // Peripheral IRQA line
- #define STATUS_EEPROM_DO 0x40 // Serial EEPROM data bit
-#define REG_VERSION 0x01 // PPC version register (read)
-#define REG_HWCFG 0x02 // Hardware Config register
-#define REG_RAMSIZE 0x03 // Size of RAM Buffer
- #define RAMSIZE_128K 0x02
-#define REG_EEPROM 0x06 // EEPROM control register
- #define EEPROM_SK 0x01 // eeprom SK bit
- #define EEPROM_DI 0x02 // eeprom DI bit
- #define EEPROM_CS 0x04 // eeprom CS bit
- #define EEPROM_EN 0x08 // eeprom output enable
-#define REG_BLKSIZE 0x08 // Block transfer len (24 bit)
-
-//***************************************************************************
-
-typedef struct ppc_storage {
- u16 lpt_addr; // LPT base address
- u8 ppc_id;
- u8 mode; // operating mode
- // 0 = PPC Uni SW
- // 1 = PPC Uni FW
- // 2 = PPC Bi SW
- // 3 = PPC Bi FW
- // 4 = EPP Byte
- // 5 = EPP Word
- // 6 = EPP Dword
- u8 ppc_flags;
- u8 org_data; // original LPT data port contents
- u8 org_ctrl; // original LPT control port contents
- u8 cur_ctrl; // current control port contents
-} Interface;
-
-//***************************************************************************
-
-// ppc_flags
-
-#define fifo_wait 0x10
-
-//***************************************************************************
-
-// DONT CHANGE THESE LEST YOU BREAK EVERYTHING - BIT FIELD DEPENDENCIES
-
-#define PPCMODE_UNI_SW 0
-#define PPCMODE_UNI_FW 1
-#define PPCMODE_BI_SW 2
-#define PPCMODE_BI_FW 3
-#define PPCMODE_EPP_BYTE 4
-#define PPCMODE_EPP_WORD 5
-#define PPCMODE_EPP_DWORD 6
-
-//***************************************************************************
-
-static int ppc6_select(Interface *ppc);
-static void ppc6_deselect(Interface *ppc);
-static void ppc6_send_cmd(Interface *ppc, u8 cmd);
-static void ppc6_wr_data_byte(Interface *ppc, u8 data);
-static u8 ppc6_rd_data_byte(Interface *ppc);
-static u8 ppc6_rd_port(Interface *ppc, u8 port);
-static void ppc6_wr_port(Interface *ppc, u8 port, u8 data);
-static void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count);
-static void ppc6_wait_for_fifo(Interface *ppc);
-static void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count);
-static void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length);
-static void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length);
-static void ppc6_wr_extout(Interface *ppc, u8 regdata);
-static int ppc6_open(Interface *ppc);
-static void ppc6_close(Interface *ppc);
-
-//***************************************************************************
-
-static int ppc6_select(Interface *ppc)
-{
- u8 i, j, k;
-
- i = inb(ppc->lpt_addr + 1);
-
- if (i & 1)
- outb(i, ppc->lpt_addr + 1);
-
- ppc->org_data = inb(ppc->lpt_addr);
-
- ppc->org_ctrl = inb(ppc->lpt_addr + 2) & 0x5F; // readback ctrl
-
- ppc->cur_ctrl = ppc->org_ctrl;
-
- ppc->cur_ctrl |= port_sel;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- if (ppc->org_data == 'b')
- outb('x', ppc->lpt_addr);
-
- outb('b', ppc->lpt_addr);
- outb('p', ppc->lpt_addr);
- outb(ppc->ppc_id, ppc->lpt_addr);
- outb(~ppc->ppc_id,ppc->lpt_addr);
-
- ppc->cur_ctrl &= ~port_sel;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- ppc->cur_ctrl = (ppc->cur_ctrl & port_int) | port_init;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- i = ppc->mode & 0x0C;
-
- if (i == 0)
- i = (ppc->mode & 2) | 1;
-
- outb(i, ppc->lpt_addr);
-
- ppc->cur_ctrl |= port_sel;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- // DELAY
-
- ppc->cur_ctrl |= port_afd;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- j = ((i & 0x08) << 4) | ((i & 0x07) << 3);
-
- k = inb(ppc->lpt_addr + 1) & 0xB8;
-
- if (j == k)
- {
- ppc->cur_ctrl &= ~port_afd;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- k = (inb(ppc->lpt_addr + 1) & 0xB8) ^ 0xB8;
-
- if (j == k)
- {
- if (i & 4) // EPP
- ppc->cur_ctrl &= ~(port_sel | port_init);
- else // PPC/ECP
- ppc->cur_ctrl &= ~port_sel;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- return(1);
- }
- }
-
- outb(ppc->org_ctrl, ppc->lpt_addr + 2);
-
- outb(ppc->org_data, ppc->lpt_addr);
-
- return(0); // FAIL
-}
-
-//***************************************************************************
-
-static void ppc6_deselect(Interface *ppc)
-{
- if (ppc->mode & 4) // EPP
- ppc->cur_ctrl |= port_init;
- else // PPC/ECP
- ppc->cur_ctrl |= port_sel;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- outb(ppc->org_data, ppc->lpt_addr);
-
- outb((ppc->org_ctrl | port_sel), ppc->lpt_addr + 2);
-
- outb(ppc->org_ctrl, ppc->lpt_addr + 2);
-}
-
-//***************************************************************************
-
-static void ppc6_send_cmd(Interface *ppc, u8 cmd)
-{
- switch(ppc->mode)
- {
- case PPCMODE_UNI_SW :
- case PPCMODE_UNI_FW :
- case PPCMODE_BI_SW :
- case PPCMODE_BI_FW :
- {
- outb(cmd, ppc->lpt_addr);
-
- ppc->cur_ctrl ^= cmd_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_BYTE :
- case PPCMODE_EPP_WORD :
- case PPCMODE_EPP_DWORD :
- {
- outb(cmd, ppc->lpt_addr + 3);
-
- break;
- }
- }
-}
-
-//***************************************************************************
-
-static void ppc6_wr_data_byte(Interface *ppc, u8 data)
-{
- switch(ppc->mode)
- {
- case PPCMODE_UNI_SW :
- case PPCMODE_UNI_FW :
- case PPCMODE_BI_SW :
- case PPCMODE_BI_FW :
- {
- outb(data, ppc->lpt_addr);
-
- ppc->cur_ctrl ^= data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_BYTE :
- case PPCMODE_EPP_WORD :
- case PPCMODE_EPP_DWORD :
- {
- outb(data, ppc->lpt_addr + 4);
-
- break;
- }
- }
-}
-
-//***************************************************************************
-
-static u8 ppc6_rd_data_byte(Interface *ppc)
-{
- u8 data = 0;
-
- switch(ppc->mode)
- {
- case PPCMODE_UNI_SW :
- case PPCMODE_UNI_FW :
- {
- ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- // DELAY
-
- data = inb(ppc->lpt_addr + 1);
-
- data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3);
-
- ppc->cur_ctrl |= port_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- // DELAY
-
- data |= inb(ppc->lpt_addr + 1) & 0xB8;
-
- break;
- }
-
- case PPCMODE_BI_SW :
- case PPCMODE_BI_FW :
- {
- ppc->cur_ctrl |= port_dir;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- ppc->cur_ctrl = (ppc->cur_ctrl | port_stb) ^ data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- data = inb(ppc->lpt_addr);
-
- ppc->cur_ctrl &= ~port_stb;
-
- outb(ppc->cur_ctrl,ppc->lpt_addr + 2);
-
- ppc->cur_ctrl &= ~port_dir;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_BYTE :
- case PPCMODE_EPP_WORD :
- case PPCMODE_EPP_DWORD :
- {
- outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2);
-
- data = inb(ppc->lpt_addr + 4);
-
- outb(ppc->cur_ctrl,ppc->lpt_addr + 2);
-
- break;
- }
- }
-
- return(data);
-}
-
-//***************************************************************************
-
-static u8 ppc6_rd_port(Interface *ppc, u8 port)
-{
- ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_READ));
-
- return(ppc6_rd_data_byte(ppc));
-}
-
-//***************************************************************************
-
-static void ppc6_wr_port(Interface *ppc, u8 port, u8 data)
-{
- ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_WRITE));
-
- ppc6_wr_data_byte(ppc, data);
-}
-
-//***************************************************************************
-
-static void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count)
-{
- switch(ppc->mode)
- {
- case PPCMODE_UNI_SW :
- case PPCMODE_UNI_FW :
- {
- while(count)
- {
- u8 d;
-
- ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- // DELAY
-
- d = inb(ppc->lpt_addr + 1);
-
- d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3);
-
- ppc->cur_ctrl |= port_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- // DELAY
-
- d |= inb(ppc->lpt_addr + 1) & 0xB8;
-
- *data++ = d;
- count--;
- }
-
- break;
- }
-
- case PPCMODE_BI_SW :
- case PPCMODE_BI_FW :
- {
- ppc->cur_ctrl |= port_dir;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- ppc->cur_ctrl |= port_stb;
-
- while(count)
- {
- ppc->cur_ctrl ^= data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- *data++ = inb(ppc->lpt_addr);
- count--;
- }
-
- ppc->cur_ctrl &= ~port_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- ppc->cur_ctrl &= ~port_dir;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_BYTE :
- {
- outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2);
-
- // DELAY
-
- while(count)
- {
- *data++ = inb(ppc->lpt_addr + 4);
- count--;
- }
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_WORD :
- {
- outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2);
-
- // DELAY
-
- while(count > 1)
- {
- *((u16 *)data) = inw(ppc->lpt_addr + 4);
- data += 2;
- count -= 2;
- }
-
- while(count)
- {
- *data++ = inb(ppc->lpt_addr + 4);
- count--;
- }
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
-
- case PPCMODE_EPP_DWORD :
- {
- outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2);
-
- // DELAY
-
- while(count > 3)
- {
- *((u32 *)data) = inl(ppc->lpt_addr + 4);
- data += 4;
- count -= 4;
- }
-
- while(count)
- {
- *data++ = inb(ppc->lpt_addr + 4);
- count--;
- }
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- break;
- }
- }
-
-}
-
-//***************************************************************************
-
-static void ppc6_wait_for_fifo(Interface *ppc)
-{
- int i;
-
- if (ppc->ppc_flags & fifo_wait)
- {
- for(i=0; i<20; i++)
- inb(ppc->lpt_addr + 1);
- }
-}
-
-//***************************************************************************
-
-static void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count)
-{
- switch(ppc->mode)
- {
- case PPCMODE_UNI_SW :
- case PPCMODE_BI_SW :
- {
- while(count--)
- {
- outb(*data++, ppc->lpt_addr);
-
- ppc->cur_ctrl ^= data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
- }
-
- break;
- }
-
- case PPCMODE_UNI_FW :
- case PPCMODE_BI_FW :
- {
- u8 this, last;
-
- ppc6_send_cmd(ppc,(CMD_PREFIX_SET | PREFIX_FASTWR));
-
- ppc->cur_ctrl |= port_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- last = *data;
-
- outb(last, ppc->lpt_addr);
-
- while(count)
- {
- this = *data++;
- count--;
-
- if (this == last)
- {
- ppc->cur_ctrl ^= data_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
- }
- else
- {
- outb(this, ppc->lpt_addr);
-
- last = this;
- }
- }
-
- ppc->cur_ctrl &= ~port_stb;
-
- outb(ppc->cur_ctrl, ppc->lpt_addr + 2);
-
- ppc6_send_cmd(ppc,(CMD_PREFIX_RESET | PREFIX_FASTWR));
-
- break;
- }
-
- case PPCMODE_EPP_BYTE :
- {
- while(count)
- {
- outb(*data++,ppc->lpt_addr + 4);
- count--;
- }
-
- ppc6_wait_for_fifo(ppc);
-
- break;
- }
-
- case PPCMODE_EPP_WORD :
- {
- while(count > 1)
- {
- outw(*((u16 *)data),ppc->lpt_addr + 4);
- data += 2;
- count -= 2;
- }
-
- while(count)
- {
- outb(*data++,ppc->lpt_addr + 4);
- count--;
- }
-
- ppc6_wait_for_fifo(ppc);
-
- break;
- }
-
- case PPCMODE_EPP_DWORD :
- {
- while(count > 3)
- {
- outl(*((u32 *)data),ppc->lpt_addr + 4);
- data += 4;
- count -= 4;
- }
-
- while(count)
- {
- outb(*data++,ppc->lpt_addr + 4);
- count--;
- }
-
- ppc6_wait_for_fifo(ppc);
-
- break;
- }
- }
-}
-
-//***************************************************************************
-
-static void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length)
-{
- length = length << 1;
-
- ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE));
- ppc6_wr_data_byte(ppc,(u8)length);
- ppc6_wr_data_byte(ppc,(u8)(length >> 8));
- ppc6_wr_data_byte(ppc,0);
-
- ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK));
-
- ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_READ));
-
- ppc6_rd_data_blk(ppc, data, length);
-
- ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK));
-}
-
-//***************************************************************************
-
-static void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length)
-{
- length = length << 1;
-
- ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE));
- ppc6_wr_data_byte(ppc,(u8)length);
- ppc6_wr_data_byte(ppc,(u8)(length >> 8));
- ppc6_wr_data_byte(ppc,0);
-
- ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK));
-
- ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_WRITE));
-
- ppc6_wr_data_blk(ppc, data, length);
-
- ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK));
-}
-
-//***************************************************************************
-
-static void ppc6_wr_extout(Interface *ppc, u8 regdata)
-{
- ppc6_send_cmd(ppc,(REG_VERSION | ACCESS_REG | ACCESS_WRITE));
-
- ppc6_wr_data_byte(ppc, (u8)((regdata & 0x03) << 6));
-}
-
-//***************************************************************************
-
-static int ppc6_open(Interface *ppc)
-{
- int ret;
-
- ret = ppc6_select(ppc);
-
- if (ret == 0)
- return(ret);
-
- ppc->ppc_flags &= ~fifo_wait;
-
- ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE));
- ppc6_wr_data_byte(ppc, RAMSIZE_128K);
-
- ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_READ | REG_VERSION));
-
- if ((ppc6_rd_data_byte(ppc) & 0x3F) == 0x0C)
- ppc->ppc_flags |= fifo_wait;
-
- return(ret);
-}
-
-//***************************************************************************
-
-static void ppc6_close(Interface *ppc)
-{
- ppc6_deselect(ppc);
-}
-
-//***************************************************************************
-
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