Add usb shared code between mt7921 and mt7925 chipset to mt792x-usb module.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
tristate
select MT76_CONNAC_LIB
+config MT792x_USB
+ tristate
+ select MT76_USB
+
source "drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
obj-$(CONFIG_MT76x02_USB) += mt76x02-usb.o
obj-$(CONFIG_MT76_CONNAC_LIB) += mt76-connac-lib.o
obj-$(CONFIG_MT792x_LIB) += mt792x-lib.o
+obj-$(CONFIG_MT792x_USB) += mt792x-usb.o
mt76-y := \
mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o \
mt792x-lib-y := mt792x_core.o mt792x_mac.o mt792x_trace.o \
mt792x_debugfs.o mt792x_dma.o
mt792x-lib-$(CONFIG_ACPI) += mt792x_acpi_sar.o
+mt792x-usb-y := mt792x_usb.o
obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
obj-$(CONFIG_MT76x2_COMMON) += mt76x2/
config MT7921U
tristate "MediaTek MT7921U (USB) support"
- select MT76_USB
+ select MT792x_USB
select MT7921_COMMON
depends on MAC80211
depends on USB
mt7921-common-$(CONFIG_NL80211_TESTMODE) += testmode.o
mt7921e-y := pci.o pci_mac.o pci_mcu.o dma.o
mt7921s-y := sdio.o sdio_mac.o sdio_mcu.o
-mt7921u-y := usb.o usb_mac.o
+mt7921u-y := usb.o
bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
/* usb */
-#define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
-#define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
-
-int mt7921u_mcu_power_on(struct mt792x_dev *dev);
-int mt7921u_wfsys_reset(struct mt792x_dev *dev);
-int mt7921u_dma_init(struct mt792x_dev *dev, bool resume);
-int mt7921u_init_reset(struct mt792x_dev *dev);
-int mt7921u_mac_reset(struct mt792x_dev *dev);
int mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
{ },
};
-static u32 mt7921u_rr(struct mt76_dev *dev, u32 addr)
-{
- u32 ret;
-
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
- USB_DIR_IN | MT_USB_TYPE_VENDOR, addr);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return ret;
-}
-
-static void mt7921u_wr(struct mt76_dev *dev, u32 addr, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-}
-
-static u32 mt7921u_rmw(struct mt76_dev *dev, u32 addr,
- u32 mask, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
- USB_DIR_IN | MT_USB_TYPE_VENDOR, addr) & ~mask;
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return val;
-}
-
-static void mt7921u_copy(struct mt76_dev *dev, u32 offset,
- const void *data, int len)
-{
- struct mt76_usb *usb = &dev->usb;
- int ret, i = 0, batch_len;
- const u8 *val = data;
-
- len = round_up(len, 4);
-
- mutex_lock(&usb->usb_ctrl_mtx);
- while (i < len) {
- batch_len = min_t(int, usb->data_len, len - i);
- memcpy(usb->data, val + i, batch_len);
- ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | MT_USB_TYPE_VENDOR,
- (offset + i) >> 16, offset + i,
- usb->data, batch_len);
- if (ret < 0)
- break;
-
- i += batch_len;
- }
- mutex_unlock(&usb->usb_ctrl_mtx);
-}
-
-int mt7921u_mcu_power_on(struct mt792x_dev *dev)
-{
- int ret;
-
- ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
- USB_DIR_OUT | MT_USB_TYPE_VENDOR,
- 0x0, 0x1, NULL, 0);
- if (ret)
- return ret;
-
- if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON,
- MT_TOP_MISC2_FW_PWR_ON, 500)) {
- dev_err(dev->mt76.dev, "Timeout for power on\n");
- ret = -EIO;
- }
-
- return ret;
-}
-
static int
mt7921u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
int cmd, int *seq)
return 0;
}
-static void mt7921u_stop(struct ieee80211_hw *hw)
+static int mt7921u_mac_reset(struct mt792x_dev *dev)
{
- struct mt792x_dev *dev = mt792x_hw_dev(hw);
+ int err;
+
+ mt76_txq_schedule_all(&dev->mphy);
+ mt76_worker_disable(&dev->mt76.tx_worker);
+
+ set_bit(MT76_RESET, &dev->mphy.state);
+ set_bit(MT76_MCU_RESET, &dev->mphy.state);
+ wake_up(&dev->mt76.mcu.wait);
+ skb_queue_purge(&dev->mt76.mcu.res_q);
+
+ mt76u_stop_rx(&dev->mt76);
mt76u_stop_tx(&dev->mt76);
- mt7921_stop(hw);
+
+ mt792xu_wfsys_reset(dev);
+
+ clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+ err = mt76u_resume_rx(&dev->mt76);
+ if (err)
+ goto out;
+
+ err = mt792xu_mcu_power_on(dev);
+ if (err)
+ goto out;
+
+ err = mt792xu_dma_init(dev, false);
+ if (err)
+ goto out;
+
+ mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
+ mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ err = mt7921_run_firmware(dev);
+ if (err)
+ goto out;
+
+ mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ err = mt7921_mcu_set_eeprom(dev);
+ if (err)
+ goto out;
+
+ err = mt7921_mac_init(dev);
+ if (err)
+ goto out;
+
+ err = __mt7921_start(&dev->phy);
+out:
+ clear_bit(MT76_RESET, &dev->mphy.state);
+
+ mt76_worker_enable(&dev->mt76.tx_worker);
+
+ return err;
}
-static void mt7921u_cleanup(struct mt792x_dev *dev)
+static void mt7921u_stop(struct ieee80211_hw *hw)
{
- clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
- mt7921u_wfsys_reset(dev);
- skb_queue_purge(&dev->mt76.mcu.res_q);
- mt76u_queues_deinit(&dev->mt76);
+ struct mt792x_dev *dev = mt792x_hw_dev(hw);
+
+ mt76u_stop_tx(&dev->mt76);
+ mt7921_stop(hw);
}
static int mt7921u_probe(struct usb_interface *usb_intf,
};
static const struct mt792x_hif_ops hif_ops = {
.mcu_init = mt7921u_mcu_init,
- .init_reset = mt7921u_init_reset,
+ .init_reset = mt792xu_init_reset,
.reset = mt7921u_mac_reset,
};
static struct mt76_bus_ops bus_ops = {
- .rr = mt7921u_rr,
- .wr = mt7921u_wr,
- .rmw = mt7921u_rmw,
+ .rr = mt792xu_rr,
+ .wr = mt792xu_wr,
+ .rmw = mt792xu_rmw,
.read_copy = mt76u_read_copy,
- .write_copy = mt7921u_copy,
+ .write_copy = mt792xu_copy,
.type = MT76_BUS_USB,
};
struct usb_device *udev = interface_to_usbdev(usb_intf);
dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
if (mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY)) {
- ret = mt7921u_wfsys_reset(dev);
+ ret = mt792xu_wfsys_reset(dev);
if (ret)
goto error;
}
- ret = mt7921u_mcu_power_on(dev);
+ ret = mt792xu_mcu_power_on(dev);
if (ret)
goto error;
if (ret)
goto error;
- ret = mt7921u_dma_init(dev, false);
+ ret = mt792xu_dma_init(dev, false);
if (ret)
goto error;
return;
mt76_unregister_device(&dev->mt76);
- mt7921u_cleanup(dev);
+ mt792xu_cleanup(dev);
usb_set_intfdata(usb_intf, NULL);
usb_put_dev(interface_to_usbdev(usb_intf));
}
if (reinit || mt792x_dma_need_reinit(dev)) {
- err = mt7921u_dma_init(dev, true);
+ err = mt792xu_dma_init(dev, true);
if (err)
goto failed;
}
+++ /dev/null
-// SPDX-License-Identifier: ISC
-/* Copyright (C) 2022 MediaTek Inc.
- *
- * Author: Lorenzo Bianconi <lorenzo@kernel.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-
-#include "mt7921.h"
-#include "mcu.h"
-#include "../mt76_connac2_mac.h"
-
-static u32 mt7921u_uhw_rr(struct mt76_dev *dev, u32 addr)
-{
- u32 ret;
-
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ret = ___mt76u_rr(dev, MT_VEND_DEV_MODE,
- USB_DIR_IN | MT_USB_TYPE_UHW_VENDOR, addr);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return ret;
-}
-
-static void mt7921u_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ___mt76u_wr(dev, MT_VEND_WRITE,
- USB_DIR_OUT | MT_USB_TYPE_UHW_VENDOR, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-}
-
-static void mt7921u_dma_prefetch(struct mt792x_dev *dev)
-{
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
- MT_WPDMA0_BASE_PTR_MASK, 0x80);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
- MT_WPDMA0_BASE_PTR_MASK, 0xc0);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
- MT_WPDMA0_BASE_PTR_MASK, 0x100);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
- MT_WPDMA0_BASE_PTR_MASK, 0x140);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
- MT_WPDMA0_BASE_PTR_MASK, 0x180);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
- MT_WPDMA0_BASE_PTR_MASK, 0x280);
-
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
- MT_WPDMA0_MAX_CNT_MASK, 4);
- mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
- MT_WPDMA0_BASE_PTR_MASK, 0x2c0);
-}
-
-static void mt7921u_wfdma_init(struct mt792x_dev *dev)
-{
- mt7921u_dma_prefetch(dev);
-
- mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_OMIT_RX_INFO);
- mt76_set(dev, MT_UWFDMA0_GLO_CFG,
- MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
- MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 |
- MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL |
- MT_WFDMA0_GLO_CFG_TX_DMA_EN |
- MT_WFDMA0_GLO_CFG_RX_DMA_EN);
-
- /* disable dmashdl */
- mt76_clear(dev, MT_UWFDMA0_GLO_CFG_EXT0,
- MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
- mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
-
- mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
-}
-
-static int mt7921u_dma_rx_evt_ep4(struct mt792x_dev *dev)
-{
- if (!mt76_poll(dev, MT_UWFDMA0_GLO_CFG,
- MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000))
- return -ETIMEDOUT;
-
- mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
- mt76_set(dev, MT_WFDMA_HOST_CONFIG,
- MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN);
- mt76_set(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
-
- return 0;
-}
-
-static void mt7921u_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
-{
- u32 val;
-
- /* usb endpoint reset opt
- * bits[4,9]: out blk ep 4-9
- * bits[20,21]: in blk ep 4-5
- * bits[22]: in int ep 6
- */
- val = mt7921u_uhw_rr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT);
- if (reset)
- val |= GENMASK(9, 4) | GENMASK(22, 20);
- else
- val &= ~(GENMASK(9, 4) | GENMASK(22, 20));
- mt7921u_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val);
-}
-
-int mt7921u_dma_init(struct mt792x_dev *dev, bool resume)
-{
- int err;
-
- mt7921u_wfdma_init(dev);
-
- mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
-
- mt76_set(dev, MT_UDMA_WLCFG_0,
- MT_WL_RX_EN | MT_WL_TX_EN |
- MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN);
- mt76_clear(dev, MT_UDMA_WLCFG_0,
- MT_WL_RX_AGG_TO | MT_WL_RX_AGG_LMT);
- mt76_clear(dev, MT_UDMA_WLCFG_1, MT_WL_RX_AGG_PKT_LMT);
-
- if (resume)
- return 0;
-
- err = mt7921u_dma_rx_evt_ep4(dev);
- if (err)
- return err;
-
- mt7921u_epctl_rst_opt(dev, false);
-
- return 0;
-}
-
-int mt7921u_wfsys_reset(struct mt792x_dev *dev)
-{
- u32 val;
- int i;
-
- mt7921u_epctl_rst_opt(dev, false);
-
- val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
- val |= MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
- mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
-
- usleep_range(10, 20);
-
- val = mt7921u_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
- val &= ~MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
- mt7921u_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
-
- mt7921u_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
- for (i = 0; i < MT792x_WFSYS_INIT_RETRY_COUNT; i++) {
- val = mt7921u_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
- if (val & MT_UDMA_CONN_WFSYS_INIT_DONE)
- break;
-
- msleep(100);
- }
-
- if (i == MT792x_WFSYS_INIT_RETRY_COUNT)
- return -ETIMEDOUT;
-
- return 0;
-}
-
-int mt7921u_init_reset(struct mt792x_dev *dev)
-{
- set_bit(MT76_RESET, &dev->mphy.state);
-
- wake_up(&dev->mt76.mcu.wait);
- skb_queue_purge(&dev->mt76.mcu.res_q);
-
- mt76u_stop_rx(&dev->mt76);
- mt76u_stop_tx(&dev->mt76);
-
- mt7921u_wfsys_reset(dev);
-
- clear_bit(MT76_RESET, &dev->mphy.state);
-
- return mt76u_resume_rx(&dev->mt76);
-}
-
-int mt7921u_mac_reset(struct mt792x_dev *dev)
-{
- int err;
-
- mt76_txq_schedule_all(&dev->mphy);
- mt76_worker_disable(&dev->mt76.tx_worker);
-
- set_bit(MT76_RESET, &dev->mphy.state);
- set_bit(MT76_MCU_RESET, &dev->mphy.state);
-
- wake_up(&dev->mt76.mcu.wait);
- skb_queue_purge(&dev->mt76.mcu.res_q);
-
- mt76u_stop_rx(&dev->mt76);
- mt76u_stop_tx(&dev->mt76);
-
- mt7921u_wfsys_reset(dev);
-
- clear_bit(MT76_MCU_RESET, &dev->mphy.state);
- err = mt76u_resume_rx(&dev->mt76);
- if (err)
- goto out;
-
- err = mt7921u_mcu_power_on(dev);
- if (err)
- goto out;
-
- err = mt7921u_dma_init(dev, false);
- if (err)
- goto out;
-
- mt76_wr(dev, MT_SWDEF_MODE, MT_SWDEF_NORMAL_MODE);
- mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
-
- err = mt7921_run_firmware(dev);
- if (err)
- goto out;
-
- mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
-
- err = mt7921_mcu_set_eeprom(dev);
- if (err)
- goto out;
-
- err = mt7921_mac_init(dev);
- if (err)
- goto out;
-
- err = __mt7921_start(&dev->phy);
-out:
- clear_bit(MT76_RESET, &dev->mphy.state);
-
- mt76_worker_enable(&dev->mt76.tx_worker);
-
- return err;
-}
int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev);
+/* usb */
+#define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
+#define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
+int mt792xu_dma_init(struct mt792x_dev *dev, bool resume);
+int mt792xu_mcu_power_on(struct mt792x_dev *dev);
+int mt792xu_wfsys_reset(struct mt792x_dev *dev);
+int mt792xu_init_reset(struct mt792x_dev *dev);
+u32 mt792xu_rr(struct mt76_dev *dev, u32 addr);
+void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val);
+u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val);
+void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len);
+void mt792xu_cleanup(struct mt792x_dev *dev);
+
int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev);
--- /dev/null
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2023 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt792x.h"
+#include "mt76_connac2_mac.h"
+
+u32 mt792xu_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | MT_USB_TYPE_VENDOR, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt792xu_rr);
+
+void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+EXPORT_SYMBOL_GPL(mt792xu_wr);
+
+u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
+ USB_DIR_IN | MT_USB_TYPE_VENDOR, addr) & ~mask;
+ ___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return val;
+}
+EXPORT_SYMBOL_GPL(mt792xu_rmw);
+
+void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len)
+{
+ struct mt76_usb *usb = &dev->usb;
+ int ret, i = 0, batch_len;
+ const u8 *val = data;
+
+ len = round_up(len, 4);
+
+ mutex_lock(&usb->usb_ctrl_mtx);
+ while (i < len) {
+ batch_len = min_t(int, usb->data_len, len - i);
+ memcpy(usb->data, val + i, batch_len);
+ ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR,
+ (offset + i) >> 16, offset + i,
+ usb->data, batch_len);
+ if (ret < 0)
+ break;
+
+ i += batch_len;
+ }
+ mutex_unlock(&usb->usb_ctrl_mtx);
+}
+EXPORT_SYMBOL_GPL(mt792xu_copy);
+
+int mt792xu_mcu_power_on(struct mt792x_dev *dev)
+{
+ int ret;
+
+ ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
+ USB_DIR_OUT | MT_USB_TYPE_VENDOR,
+ 0x0, 0x1, NULL, 0);
+ if (ret)
+ return ret;
+
+ if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON,
+ MT_TOP_MISC2_FW_PWR_ON, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for power on\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt792xu_mcu_power_on);
+
+void mt792xu_cleanup(struct mt792x_dev *dev)
+{
+ clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+ mt792xu_wfsys_reset(dev);
+ skb_queue_purge(&dev->mt76.mcu.res_q);
+ mt76u_queues_deinit(&dev->mt76);
+}
+EXPORT_SYMBOL_GPL(mt792xu_cleanup);
+
+static u32 mt792xu_uhw_rr(struct mt76_dev *dev, u32 addr)
+{
+ u32 ret;
+
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ret = ___mt76u_rr(dev, MT_VEND_DEV_MODE,
+ USB_DIR_IN | MT_USB_TYPE_UHW_VENDOR, addr);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+ return ret;
+}
+
+static void mt792xu_uhw_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+ mutex_lock(&dev->usb.usb_ctrl_mtx);
+ ___mt76u_wr(dev, MT_VEND_WRITE,
+ USB_DIR_OUT | MT_USB_TYPE_UHW_VENDOR, addr, val);
+ mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static void mt792xu_dma_prefetch(struct mt792x_dev *dev)
+{
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(0),
+ MT_WPDMA0_BASE_PTR_MASK, 0x80);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(1),
+ MT_WPDMA0_BASE_PTR_MASK, 0xc0);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(2),
+ MT_WPDMA0_BASE_PTR_MASK, 0x100);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(3),
+ MT_WPDMA0_BASE_PTR_MASK, 0x140);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(4),
+ MT_WPDMA0_BASE_PTR_MASK, 0x180);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(16),
+ MT_WPDMA0_BASE_PTR_MASK, 0x280);
+
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
+ MT_WPDMA0_MAX_CNT_MASK, 4);
+ mt76_rmw(dev, MT_UWFDMA0_TX_RING_EXT_CTRL(17),
+ MT_WPDMA0_BASE_PTR_MASK, 0x2c0);
+}
+
+static void mt792xu_wfdma_init(struct mt792x_dev *dev)
+{
+ mt792xu_dma_prefetch(dev);
+
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_OMIT_RX_INFO);
+ mt76_set(dev, MT_UWFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+ MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 |
+ MT_WFDMA0_GLO_CFG_FW_DWLD_BYPASS_DMASHDL |
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ /* disable dmashdl */
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG_EXT0,
+ MT_WFDMA0_CSR_TX_DMASHDL_ENABLE);
+ mt76_set(dev, MT_DMASHDL_SW_CONTROL, MT_DMASHDL_DMASHDL_BYPASS);
+
+ mt76_set(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
+}
+
+static int mt792xu_dma_rx_evt_ep4(struct mt792x_dev *dev)
+{
+ if (!mt76_poll(dev, MT_UWFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000))
+ return -ETIMEDOUT;
+
+ mt76_clear(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_set(dev, MT_WFDMA_HOST_CONFIG,
+ MT_WFDMA_HOST_CONFIG_USB_RXEVT_EP4_EN);
+ mt76_set(dev, MT_UWFDMA0_GLO_CFG, MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+
+ return 0;
+}
+
+static void mt792xu_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
+{
+ u32 val;
+
+ /* usb endpoint reset opt
+ * bits[4,9]: out blk ep 4-9
+ * bits[20,21]: in blk ep 4-5
+ * bits[22]: in int ep 6
+ */
+ val = mt792xu_uhw_rr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT);
+ if (reset)
+ val |= GENMASK(9, 4) | GENMASK(22, 20);
+ else
+ val &= ~(GENMASK(9, 4) | GENMASK(22, 20));
+ mt792xu_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val);
+}
+
+int mt792xu_dma_init(struct mt792x_dev *dev, bool resume)
+{
+ int err;
+
+ mt792xu_wfdma_init(dev);
+
+ mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
+
+ mt76_set(dev, MT_UDMA_WLCFG_0,
+ MT_WL_RX_EN | MT_WL_TX_EN |
+ MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN);
+ mt76_clear(dev, MT_UDMA_WLCFG_0,
+ MT_WL_RX_AGG_TO | MT_WL_RX_AGG_LMT);
+ mt76_clear(dev, MT_UDMA_WLCFG_1, MT_WL_RX_AGG_PKT_LMT);
+
+ if (resume)
+ return 0;
+
+ err = mt792xu_dma_rx_evt_ep4(dev);
+ if (err)
+ return err;
+
+ mt792xu_epctl_rst_opt(dev, false);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt792xu_dma_init);
+
+int mt792xu_wfsys_reset(struct mt792x_dev *dev)
+{
+ u32 val;
+ int i;
+
+ mt792xu_epctl_rst_opt(dev, false);
+
+ val = mt792xu_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+ val |= MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
+ mt792xu_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+
+ usleep_range(10, 20);
+
+ val = mt792xu_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+ val &= ~MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
+ mt792xu_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+
+ mt792xu_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
+ for (i = 0; i < MT792x_WFSYS_INIT_RETRY_COUNT; i++) {
+ val = mt792xu_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
+ if (val & MT_UDMA_CONN_WFSYS_INIT_DONE)
+ break;
+
+ msleep(100);
+ }
+
+ if (i == MT792x_WFSYS_INIT_RETRY_COUNT)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt792xu_wfsys_reset);
+
+int mt792xu_init_reset(struct mt792x_dev *dev)
+{
+ set_bit(MT76_RESET, &dev->mphy.state);
+
+ wake_up(&dev->mt76.mcu.wait);
+ skb_queue_purge(&dev->mt76.mcu.res_q);
+
+ mt76u_stop_rx(&dev->mt76);
+ mt76u_stop_tx(&dev->mt76);
+
+ mt792xu_wfsys_reset(dev);
+
+ clear_bit(MT76_RESET, &dev->mphy.state);
+
+ return mt76u_resume_rx(&dev->mt76);
+}
+EXPORT_SYMBOL_GPL(mt792xu_init_reset);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
projects / linux.git / commitdiff