1 files changed, 0 insertions, 460 deletions

diff --git a/drivers/media/platform/vsp1/vsp1_bru.c b/drivers/media/platform/vsp1/vsp1_bru.c
deleted file mode 100644
index e8fd2ae3b3eb..000000000000
--- a/drivers/media/platform/vsp1/vsp1_bru.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * vsp1_bru.c  --  R-Car VSP1 Blend ROP Unit
- *
- * Copyright (C) 2013 Renesas Corporation
- *
- * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/device.h>
-#include <linux/gfp.h>
-
-#include <media/v4l2-subdev.h>
-
-#include "vsp1.h"
-#include "vsp1_bru.h"
-#include "vsp1_dl.h"
-#include "vsp1_pipe.h"
-#include "vsp1_rwpf.h"
-#include "vsp1_video.h"
-
-#define BRU_MIN_SIZE				1U
-#define BRU_MAX_SIZE				8190U
-
-/* -----------------------------------------------------------------------------
- * Device Access
- */
-
-static inline void vsp1_bru_write(struct vsp1_bru *bru, struct vsp1_dl_list *dl,
-				  u32 reg, u32 data)
-{
-	vsp1_dl_list_write(dl, bru->base + reg, data);
-}
-
-/* -----------------------------------------------------------------------------
- * Controls
- */
-
-static int bru_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct vsp1_bru *bru =
-		container_of(ctrl->handler, struct vsp1_bru, ctrls);
-
-	switch (ctrl->id) {
-	case V4L2_CID_BG_COLOR:
-		bru->bgcolor = ctrl->val;
-		break;
-	}
-
-	return 0;
-}
-
-static const struct v4l2_ctrl_ops bru_ctrl_ops = {
-	.s_ctrl = bru_s_ctrl,
-};
-
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Operations
- */
-
-/*
- * The BRU can't perform format conversion, all sink and source formats must be
- * identical. We pick the format on the first sink pad (pad 0) and propagate it
- * to all other pads.
- */
-
-static int bru_enum_mbus_code(struct v4l2_subdev *subdev,
-			      struct v4l2_subdev_pad_config *cfg,
-			      struct v4l2_subdev_mbus_code_enum *code)
-{
-	static const unsigned int codes[] = {
-		MEDIA_BUS_FMT_ARGB8888_1X32,
-		MEDIA_BUS_FMT_AYUV8_1X32,
-	};
-
-	return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes,
-					  ARRAY_SIZE(codes));
-}
-
-static int bru_enum_frame_size(struct v4l2_subdev *subdev,
-			       struct v4l2_subdev_pad_config *cfg,
-			       struct v4l2_subdev_frame_size_enum *fse)
-{
-	if (fse->index)
-		return -EINVAL;
-
-	if (fse->code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
-	    fse->code != MEDIA_BUS_FMT_AYUV8_1X32)
-		return -EINVAL;
-
-	fse->min_width = BRU_MIN_SIZE;
-	fse->max_width = BRU_MAX_SIZE;
-	fse->min_height = BRU_MIN_SIZE;
-	fse->max_height = BRU_MAX_SIZE;
-
-	return 0;
-}
-
-static struct v4l2_rect *bru_get_compose(struct vsp1_bru *bru,
-					 struct v4l2_subdev_pad_config *cfg,
-					 unsigned int pad)
-{
-	return v4l2_subdev_get_try_compose(&bru->entity.subdev, cfg, pad);
-}
-
-static void bru_try_format(struct vsp1_bru *bru,
-			   struct v4l2_subdev_pad_config *config,
-			   unsigned int pad, struct v4l2_mbus_framefmt *fmt)
-{
-	struct v4l2_mbus_framefmt *format;
-
-	switch (pad) {
-	case BRU_PAD_SINK(0):
-		/* Default to YUV if the requested format is not supported. */
-		if (fmt->code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
-		    fmt->code != MEDIA_BUS_FMT_AYUV8_1X32)
-			fmt->code = MEDIA_BUS_FMT_AYUV8_1X32;
-		break;
-
-	default:
-		/* The BRU can't perform format conversion. */
-		format = vsp1_entity_get_pad_format(&bru->entity, config,
-						    BRU_PAD_SINK(0));
-		fmt->code = format->code;
-		break;
-	}
-
-	fmt->width = clamp(fmt->width, BRU_MIN_SIZE, BRU_MAX_SIZE);
-	fmt->height = clamp(fmt->height, BRU_MIN_SIZE, BRU_MAX_SIZE);
-	fmt->field = V4L2_FIELD_NONE;
-	fmt->colorspace = V4L2_COLORSPACE_SRGB;
-}
-
-static int bru_set_format(struct v4l2_subdev *subdev,
-			  struct v4l2_subdev_pad_config *cfg,
-			  struct v4l2_subdev_format *fmt)
-{
-	struct vsp1_bru *bru = to_bru(subdev);
-	struct v4l2_subdev_pad_config *config;
-	struct v4l2_mbus_framefmt *format;
-	int ret = 0;
-
-	mutex_lock(&bru->entity.lock);
-
-	config = vsp1_entity_get_pad_config(&bru->entity, cfg, fmt->which);
-	if (!config) {
-		ret = -EINVAL;
-		goto done;
-	}
-
-	bru_try_format(bru, config, fmt->pad, &fmt->format);
-
-	format = vsp1_entity_get_pad_format(&bru->entity, config, fmt->pad);
-	*format = fmt->format;
-
-	/* Reset the compose rectangle */
-	if (fmt->pad != bru->entity.source_pad) {
-		struct v4l2_rect *compose;
-
-		compose = bru_get_compose(bru, config, fmt->pad);
-		compose->left = 0;
-		compose->top = 0;
-		compose->width = format->width;
-		compose->height = format->height;
-	}
-
-	/* Propagate the format code to all pads */
-	if (fmt->pad == BRU_PAD_SINK(0)) {
-		unsigned int i;
-
-		for (i = 0; i <= bru->entity.source_pad; ++i) {
-			format = vsp1_entity_get_pad_format(&bru->entity,
-							    config, i);
-			format->code = fmt->format.code;
-		}
-	}
-
-done:
-	mutex_unlock(&bru->entity.lock);
-	return ret;
-}
-
-static int bru_get_selection(struct v4l2_subdev *subdev,
-			     struct v4l2_subdev_pad_config *cfg,
-			     struct v4l2_subdev_selection *sel)
-{
-	struct vsp1_bru *bru = to_bru(subdev);
-	struct v4l2_subdev_pad_config *config;
-
-	if (sel->pad == bru->entity.source_pad)
-		return -EINVAL;
-
-	switch (sel->target) {
-	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
-		sel->r.left = 0;
-		sel->r.top = 0;
-		sel->r.width = BRU_MAX_SIZE;
-		sel->r.height = BRU_MAX_SIZE;
-		return 0;
-
-	case V4L2_SEL_TGT_COMPOSE:
-		config = vsp1_entity_get_pad_config(&bru->entity, cfg,
-						    sel->which);
-		if (!config)
-			return -EINVAL;
-
-		mutex_lock(&bru->entity.lock);
-		sel->r = *bru_get_compose(bru, config, sel->pad);
-		mutex_unlock(&bru->entity.lock);
-		return 0;
-
-	default:
-		return -EINVAL;
-	}
-}
-
-static int bru_set_selection(struct v4l2_subdev *subdev,
-			     struct v4l2_subdev_pad_config *cfg,
-			     struct v4l2_subdev_selection *sel)
-{
-	struct vsp1_bru *bru = to_bru(subdev);
-	struct v4l2_subdev_pad_config *config;
-	struct v4l2_mbus_framefmt *format;
-	struct v4l2_rect *compose;
-	int ret = 0;
-
-	if (sel->pad == bru->entity.source_pad)
-		return -EINVAL;
-
-	if (sel->target != V4L2_SEL_TGT_COMPOSE)
-		return -EINVAL;
-
-	mutex_lock(&bru->entity.lock);
-
-	config = vsp1_entity_get_pad_config(&bru->entity, cfg, sel->which);
-	if (!config) {
-		ret = -EINVAL;
-		goto done;
-	}
-
-	/*
-	 * The compose rectangle top left corner must be inside the output
-	 * frame.
-	 */
-	format = vsp1_entity_get_pad_format(&bru->entity, config,
-					    bru->entity.source_pad);
-	sel->r.left = clamp_t(unsigned int, sel->r.left, 0, format->width - 1);
-	sel->r.top = clamp_t(unsigned int, sel->r.top, 0, format->height - 1);
-
-	/*
-	 * Scaling isn't supported, the compose rectangle size must be identical
-	 * to the sink format size.
-	 */
-	format = vsp1_entity_get_pad_format(&bru->entity, config, sel->pad);
-	sel->r.width = format->width;
-	sel->r.height = format->height;
-
-	compose = bru_get_compose(bru, config, sel->pad);
-	*compose = sel->r;
-
-done:
-	mutex_unlock(&bru->entity.lock);
-	return ret;
-}
-
-static const struct v4l2_subdev_pad_ops bru_pad_ops = {
-	.init_cfg = vsp1_entity_init_cfg,
-	.enum_mbus_code = bru_enum_mbus_code,
-	.enum_frame_size = bru_enum_frame_size,
-	.get_fmt = vsp1_subdev_get_pad_format,
-	.set_fmt = bru_set_format,
-	.get_selection = bru_get_selection,
-	.set_selection = bru_set_selection,
-};
-
-static const struct v4l2_subdev_ops bru_ops = {
-	.pad    = &bru_pad_ops,
-};
-
-/* -----------------------------------------------------------------------------
- * VSP1 Entity Operations
- */
-
-static void bru_configure(struct vsp1_entity *entity,
-			  struct vsp1_pipeline *pipe,
-			  struct vsp1_dl_list *dl,
-			  enum vsp1_entity_params params)
-{
-	struct vsp1_bru *bru = to_bru(&entity->subdev);
-	struct v4l2_mbus_framefmt *format;
-	unsigned int flags;
-	unsigned int i;
-
-	if (params != VSP1_ENTITY_PARAMS_INIT)
-		return;
-
-	format = vsp1_entity_get_pad_format(&bru->entity, bru->entity.config,
-					    bru->entity.source_pad);
-
-	/*
-	 * The hardware is extremely flexible but we have no userspace API to
-	 * expose all the parameters, nor is it clear whether we would have use
-	 * cases for all the supported modes. Let's just harcode the parameters
-	 * to sane default values for now.
-	 */
-
-	/*
-	 * Disable dithering and enable color data normalization unless the
-	 * format at the pipeline output is premultiplied.
-	 */
-	flags = pipe->output ? pipe->output->format.flags : 0;
-	vsp1_bru_write(bru, dl, VI6_BRU_INCTRL,
-		       flags & V4L2_PIX_FMT_FLAG_PREMUL_ALPHA ?
-		       0 : VI6_BRU_INCTRL_NRM);
-
-	/*
-	 * Set the background position to cover the whole output image and
-	 * configure its color.
-	 */
-	vsp1_bru_write(bru, dl, VI6_BRU_VIRRPF_SIZE,
-		       (format->width << VI6_BRU_VIRRPF_SIZE_HSIZE_SHIFT) |
-		       (format->height << VI6_BRU_VIRRPF_SIZE_VSIZE_SHIFT));
-	vsp1_bru_write(bru, dl, VI6_BRU_VIRRPF_LOC, 0);
-
-	vsp1_bru_write(bru, dl, VI6_BRU_VIRRPF_COL, bru->bgcolor |
-		       (0xff << VI6_BRU_VIRRPF_COL_A_SHIFT));
-
-	/*
-	 * Route BRU input 1 as SRC input to the ROP unit and configure the ROP
-	 * unit with a NOP operation to make BRU input 1 available as the
-	 * Blend/ROP unit B SRC input. Only needed for BRU, the BRS has no ROP
-	 * unit.
-	 */
-	if (entity->type == VSP1_ENTITY_BRU)
-		vsp1_bru_write(bru, dl, VI6_BRU_ROP,
-			       VI6_BRU_ROP_DSTSEL_BRUIN(1) |
-			       VI6_BRU_ROP_CROP(VI6_ROP_NOP) |
-			       VI6_BRU_ROP_AROP(VI6_ROP_NOP));
-
-	for (i = 0; i < bru->entity.source_pad; ++i) {
-		bool premultiplied = false;
-		u32 ctrl = 0;
-
-		/*
-		 * Configure all Blend/ROP units corresponding to an enabled BRU
-		 * input for alpha blending. Blend/ROP units corresponding to
-		 * disabled BRU inputs are used in ROP NOP mode to ignore the
-		 * SRC input.
-		 */
-		if (bru->inputs[i].rpf) {
-			ctrl |= VI6_BRU_CTRL_RBC;
-
-			premultiplied = bru->inputs[i].rpf->format.flags
-				      & V4L2_PIX_FMT_FLAG_PREMUL_ALPHA;
-		} else {
-			ctrl |= VI6_BRU_CTRL_CROP(VI6_ROP_NOP)
-			     |  VI6_BRU_CTRL_AROP(VI6_ROP_NOP);
-		}
-
-		/*
-		 * Select the virtual RPF as the Blend/ROP unit A DST input to
-		 * serve as a background color.
-		 */
-		if (i == 0)
-			ctrl |= VI6_BRU_CTRL_DSTSEL_VRPF;
-
-		/*
-		 * Route inputs 0 to 3 as SRC inputs to Blend/ROP units A to D
-		 * in that order. In the BRU the Blend/ROP unit B SRC is
-		 * hardwired to the ROP unit output, the corresponding register
-		 * bits must be set to 0. The BRS has no ROP unit and doesn't
-		 * need any special processing.
-		 */
-		if (!(entity->type == VSP1_ENTITY_BRU && i == 1))
-			ctrl |= VI6_BRU_CTRL_SRCSEL_BRUIN(i);
-
-		vsp1_bru_write(bru, dl, VI6_BRU_CTRL(i), ctrl);
-
-		/*
-		 * Harcode the blending formula to
-		 *
-		 *	DSTc = DSTc * (1 - SRCa) + SRCc * SRCa
-		 *	DSTa = DSTa * (1 - SRCa) + SRCa
-		 *
-		 * when the SRC input isn't premultiplied, and to
-		 *
-		 *	DSTc = DSTc * (1 - SRCa) + SRCc
-		 *	DSTa = DSTa * (1 - SRCa) + SRCa
-		 *
-		 * otherwise.
-		 */
-		vsp1_bru_write(bru, dl, VI6_BRU_BLD(i),
-			       VI6_BRU_BLD_CCMDX_255_SRC_A |
-			       (premultiplied ? VI6_BRU_BLD_CCMDY_COEFY :
-						VI6_BRU_BLD_CCMDY_SRC_A) |
-			       VI6_BRU_BLD_ACMDX_255_SRC_A |
-			       VI6_BRU_BLD_ACMDY_COEFY |
-			       (0xff << VI6_BRU_BLD_COEFY_SHIFT));
-	}
-}
-
-static const struct vsp1_entity_operations bru_entity_ops = {
-	.configure = bru_configure,
-};
-
-/* -----------------------------------------------------------------------------
- * Initialization and Cleanup
- */
-
-struct vsp1_bru *vsp1_bru_create(struct vsp1_device *vsp1,
-				 enum vsp1_entity_type type)
-{
-	struct vsp1_bru *bru;
-	unsigned int num_pads;
-	const char *name;
-	int ret;
-
-	bru = devm_kzalloc(vsp1->dev, sizeof(*bru), GFP_KERNEL);
-	if (bru == NULL)
-		return ERR_PTR(-ENOMEM);
-
-	bru->base = type == VSP1_ENTITY_BRU ? VI6_BRU_BASE : VI6_BRS_BASE;
-	bru->entity.ops = &bru_entity_ops;
-	bru->entity.type = type;
-
-	if (type == VSP1_ENTITY_BRU) {
-		num_pads = vsp1->info->num_bru_inputs + 1;
-		name = "bru";
-	} else {
-		num_pads = 3;
-		name = "brs";
-	}
-
-	ret = vsp1_entity_init(vsp1, &bru->entity, name, num_pads, &bru_ops,
-			       MEDIA_ENT_F_PROC_VIDEO_COMPOSER);
-	if (ret < 0)
-		return ERR_PTR(ret);
-
-	/* Initialize the control handler. */
-	v4l2_ctrl_handler_init(&bru->ctrls, 1);
-	v4l2_ctrl_new_std(&bru->ctrls, &bru_ctrl_ops, V4L2_CID_BG_COLOR,
-			  0, 0xffffff, 1, 0);
-
-	bru->bgcolor = 0;
-
-	bru->entity.subdev.ctrl_handler = &bru->ctrls;
-
-	if (bru->ctrls.error) {
-		dev_err(vsp1->dev, "%s: failed to initialize controls\n", name);
-		ret = bru->ctrls.error;
-		vsp1_entity_destroy(&bru->entity);
-		return ERR_PTR(ret);
-	}
-
-	return bru;
-}