media: atomisp: remove atomisp_acc.c

With the ACC ioctls removed sd->acc.fw is always empty turning
the atomisp_acc.c code into no-ops, remove it.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-20-hdegoede@redhat.com
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 231 deletions

diff --git a/drivers/staging/media/atomisp/pci/atomisp_acc.c b/drivers/staging/media/atomisp/pci/atomisp_acc.c
deleted file mode 100644
index 07693983dd52..000000000000
--- a/drivers/staging/media/atomisp/pci/atomisp_acc.c
+++ /dev/null
@@ -1,231 +0,0 @@
-// 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;
-}