+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Support for Clovertrail PNW Camera Imaging ISP subsystem.
- *
- * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- *
- */
-
-/*
- * This file implements loadable acceleration firmware API,
- * including ioctls to map and unmap acceleration parameters and buffers.
- */
-
-#include <linux/init.h>
-#include <media/v4l2-event.h>
-
-#include "hmm.h"
-
-#include "atomisp_acc.h"
-#include "atomisp_internal.h"
-#include "atomisp_compat.h"
-#include "atomisp_cmd.h"
-
-#include "ia_css.h"
-
-static const struct {
- unsigned int flag;
- enum ia_css_pipe_id pipe_id;
-} acc_flag_to_pipe[] = {
- { ATOMISP_ACC_FW_LOAD_FL_PREVIEW, IA_CSS_PIPE_ID_PREVIEW },
- { ATOMISP_ACC_FW_LOAD_FL_COPY, IA_CSS_PIPE_ID_COPY },
- { ATOMISP_ACC_FW_LOAD_FL_VIDEO, IA_CSS_PIPE_ID_VIDEO },
- { ATOMISP_ACC_FW_LOAD_FL_CAPTURE, IA_CSS_PIPE_ID_CAPTURE },
- { ATOMISP_ACC_FW_LOAD_FL_ACC, IA_CSS_PIPE_ID_ACC }
-};
-
-static void acc_free_fw(struct atomisp_acc_fw *acc_fw)
-{
- vfree(acc_fw->fw);
- kfree(acc_fw);
-}
-
-static int acc_stop_acceleration(struct atomisp_sub_device *asd)
-{
- int ret;
-
- ret = atomisp_css_stop_acc_pipe(asd);
- atomisp_css_destroy_acc_pipe(asd);
-
- return ret;
-}
-
-void atomisp_acc_cleanup(struct atomisp_device *isp)
-{
- int i;
-
- for (i = 0; i < isp->num_of_streams; i++)
- ida_destroy(&isp->asd[i].acc.ida);
-}
-
-void atomisp_acc_release(struct atomisp_sub_device *asd)
-{
- struct atomisp_acc_fw *acc_fw, *ta;
- struct atomisp_map *atomisp_map, *tm;
-
- /* Stop acceleration if already running */
- if (asd->acc.pipeline)
- acc_stop_acceleration(asd);
-
- /* Unload all loaded acceleration binaries */
- list_for_each_entry_safe(acc_fw, ta, &asd->acc.fw, list) {
- list_del(&acc_fw->list);
- ida_free(&asd->acc.ida, acc_fw->handle);
- acc_free_fw(acc_fw);
- }
-
- /* Free all mapped memory blocks */
- list_for_each_entry_safe(atomisp_map, tm, &asd->acc.memory_maps, list) {
- list_del(&atomisp_map->list);
- hmm_free(atomisp_map->ptr);
- kfree(atomisp_map);
- }
-}
-
-void atomisp_acc_done(struct atomisp_sub_device *asd, unsigned int handle)
-{
- struct v4l2_event event = { 0 };
-
- event.type = V4L2_EVENT_ATOMISP_ACC_COMPLETE;
- event.u.frame_sync.frame_sequence = atomic_read(&asd->sequence);
- event.id = handle;
-
- v4l2_event_queue(asd->subdev.devnode, &event);
-}
-
-static void atomisp_acc_unload_some_extensions(struct atomisp_sub_device *asd,
- int i,
- struct atomisp_acc_fw *acc_fw)
-{
- while (--i >= 0) {
- if (acc_fw->flags & acc_flag_to_pipe[i].flag) {
- atomisp_css_unload_acc_extension(asd, acc_fw->fw,
- acc_flag_to_pipe[i].pipe_id);
- }
- }
-}
-
-/*
- * Appends the loaded acceleration binary extensions to the
- * current ISP mode. Must be called just before sh_css_start().
- */
-int atomisp_acc_load_extensions(struct atomisp_sub_device *asd)
-{
- struct atomisp_acc_fw *acc_fw;
- bool ext_loaded = false;
- bool continuous = asd->continuous_mode->val &&
- asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW;
- int ret = 0, i = -1;
- struct atomisp_device *isp = asd->isp;
-
- if (asd->acc.pipeline || asd->acc.extension_mode)
- return -EBUSY;
-
- /* Invalidate caches. FIXME: should flush only necessary buffers */
- wbinvd();
-
- list_for_each_entry(acc_fw, &asd->acc.fw, list) {
- if (acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_OUTPUT &&
- acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_VIEWFINDER)
- continue;
-
- for (i = 0; i < ARRAY_SIZE(acc_flag_to_pipe); i++) {
- /*
- * QoS (ACC pipe) acceleration stages are
- * currently allowed only in continuous mode.
- * Skip them for all other modes.
- */
- if (!continuous &&
- acc_flag_to_pipe[i].flag ==
- ATOMISP_ACC_FW_LOAD_FL_ACC)
- continue;
-
- if (acc_fw->flags & acc_flag_to_pipe[i].flag) {
- ret = atomisp_css_load_acc_extension(asd,
- acc_fw->fw,
- acc_flag_to_pipe[i].pipe_id,
- acc_fw->type);
- if (ret) {
- atomisp_acc_unload_some_extensions(asd, i, acc_fw);
- goto error;
- }
-
- ext_loaded = true;
- }
- }
-
- ret = atomisp_css_set_acc_parameters(acc_fw);
- if (ret < 0) {
- atomisp_acc_unload_some_extensions(asd, i, acc_fw);
- goto error;
- }
- }
-
- if (!ext_loaded)
- return ret;
-
- ret = atomisp_css_update_stream(asd);
- if (ret) {
- dev_err(isp->dev, "%s: update stream failed.\n", __func__);
- atomisp_acc_unload_extensions(asd);
- goto error;
- }
-
- asd->acc.extension_mode = true;
- return 0;
-
-error:
- list_for_each_entry_continue_reverse(acc_fw, &asd->acc.fw, list) {
- if (acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_OUTPUT &&
- acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_VIEWFINDER)
- continue;
-
- for (i = ARRAY_SIZE(acc_flag_to_pipe) - 1; i >= 0; i--) {
- if (!continuous &&
- acc_flag_to_pipe[i].flag ==
- ATOMISP_ACC_FW_LOAD_FL_ACC)
- continue;
- if (acc_fw->flags & acc_flag_to_pipe[i].flag) {
- atomisp_css_unload_acc_extension(asd,
- acc_fw->fw,
- acc_flag_to_pipe[i].pipe_id);
- }
- }
- }
- return ret;
-}
-
-void atomisp_acc_unload_extensions(struct atomisp_sub_device *asd)
-{
- struct atomisp_acc_fw *acc_fw;
- int i;
-
- if (!asd->acc.extension_mode)
- return;
-
- list_for_each_entry_reverse(acc_fw, &asd->acc.fw, list) {
- if (acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_OUTPUT &&
- acc_fw->type != ATOMISP_ACC_FW_LOAD_TYPE_VIEWFINDER)
- continue;
-
- for (i = ARRAY_SIZE(acc_flag_to_pipe) - 1; i >= 0; i--) {
- if (acc_fw->flags & acc_flag_to_pipe[i].flag) {
- atomisp_css_unload_acc_extension(asd,
- acc_fw->fw,
- acc_flag_to_pipe[i].pipe_id);
- }
- }
- }
-
- asd->acc.extension_mode = false;
-}
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Support for Clovertrail PNW Camera Imaging ISP subsystem.
- *
- * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- *
- */
-
-#ifndef __ATOMISP_ACC_H__
-#define __ATOMISP_ACC_H__
-
-#include "../../include/linux/atomisp.h"
-#include "atomisp_internal.h"
-
-#include "ia_css_types.h"
-
-/*
- * Interface functions for AtomISP driver acceleration API implementation.
- */
-
-struct atomisp_sub_device;
-
-void atomisp_acc_cleanup(struct atomisp_device *isp);
-
-/*
- * Free up any allocated resources.
- * Must be called each time when the device is closed.
- * Note that there isn't corresponding open() call;
- * this function may be called sequentially multiple times.
- * Must be called to free up resources before driver is unloaded.
- */
-void atomisp_acc_release(struct atomisp_sub_device *asd);
-
-/*
- * Used by ISR to notify ACC stage finished.
- * This is internally used and does not export as IOCTL.
- */
-void atomisp_acc_done(struct atomisp_sub_device *asd, unsigned int handle);
-
-/*
- * Appends the loaded acceleration binary extensions to the
- * current ISP mode. Must be called just before atomisp_css_start().
- */
-int atomisp_acc_load_extensions(struct atomisp_sub_device *asd);
-
-/*
- * Must be called after streaming is stopped:
- * unloads any loaded acceleration extensions.
- */
-void atomisp_acc_unload_extensions(struct atomisp_sub_device *asd);
-
-#endif /* __ATOMISP_ACC_H__ */
#include "atomisp_ioctl.h"
#include "atomisp-regs.h"
#include "atomisp_tables.h"
-#include "atomisp_acc.h"
#include "atomisp_compat.h"
#include "atomisp_subdev.h"
#include "atomisp_dfs_tables.h"
for (i = 0; i < isp->num_of_streams; i++) {
struct atomisp_sub_device *asd = &isp->asd[i];
- struct ia_css_pipeline *acc_pipeline;
- struct ia_css_pipe *acc_pipe = NULL;
if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
!asd->stream_prepared)
continue;
- /*
- * AtomISP::waitStageUpdate is blocked when WDT happens.
- * By calling acc_done() for all loaded fw_handles,
- * HAL will be unblocked.
- */
- acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
- if (acc_pipe) {
- acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
- if (acc_pipeline) {
- struct ia_css_pipeline_stage *stage;
-
- for (stage = acc_pipeline->stages; stage;
- stage = stage->next) {
- const struct ia_css_fw_info *fw;
-
- fw = stage->firmware;
- atomisp_acc_done(asd, fw->handle);
- }
- }
- }
-
depth_cnt++;
if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
dev_warn(isp->dev,
"can't stop streaming on sensor!\n");
- atomisp_acc_unload_extensions(asd);
-
atomisp_clear_css_buffer_counters(asd);
css_pipe_id = atomisp_get_css_pipe_id(asd);
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