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path: root/drivers/media/platform/vsp1/vsp1_rwpf.c
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Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_rwpf.c')
-rw-r--r--drivers/media/platform/vsp1/vsp1_rwpf.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c
deleted file mode 100644
index cfd8f1904fa6..000000000000
--- a/drivers/media/platform/vsp1/vsp1_rwpf.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * vsp1_rwpf.c -- R-Car VSP1 Read and Write Pixel Formatters
- *
- * Copyright (C) 2013-2014 Renesas Electronics 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 <media/v4l2-subdev.h>
-
-#include "vsp1.h"
-#include "vsp1_rwpf.h"
-#include "vsp1_video.h"
-
-#define RWPF_MIN_WIDTH 1
-#define RWPF_MIN_HEIGHT 1
-
-struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
- struct v4l2_subdev_pad_config *config)
-{
- return v4l2_subdev_get_try_crop(&rwpf->entity.subdev, config,
- RWPF_PAD_SINK);
-}
-
-/* -----------------------------------------------------------------------------
- * V4L2 Subdevice Pad Operations
- */
-
-static int vsp1_rwpf_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_AHSV8888_1X32,
- MEDIA_BUS_FMT_AYUV8_1X32,
- };
-
- if (code->index >= ARRAY_SIZE(codes))
- return -EINVAL;
-
- code->code = codes[code->index];
-
- return 0;
-}
-
-static int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_frame_size_enum *fse)
-{
- struct vsp1_rwpf *rwpf = to_rwpf(subdev);
-
- return vsp1_subdev_enum_frame_size(subdev, cfg, fse, RWPF_MIN_WIDTH,
- RWPF_MIN_HEIGHT, rwpf->max_width,
- rwpf->max_height);
-}
-
-static int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *fmt)
-{
- struct vsp1_rwpf *rwpf = to_rwpf(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- mutex_lock(&rwpf->entity.lock);
-
- config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, fmt->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* Default to YUV if the requested format is not supported. */
- if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AHSV8888_1X32 &&
- fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32)
- fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32;
-
- format = vsp1_entity_get_pad_format(&rwpf->entity, config, fmt->pad);
-
- if (fmt->pad == RWPF_PAD_SOURCE) {
- /*
- * The RWPF performs format conversion but can't scale, only the
- * format code can be changed on the source pad.
- */
- format->code = fmt->format.code;
- fmt->format = *format;
- goto done;
- }
-
- format->code = fmt->format.code;
- format->width = clamp_t(unsigned int, fmt->format.width,
- RWPF_MIN_WIDTH, rwpf->max_width);
- format->height = clamp_t(unsigned int, fmt->format.height,
- RWPF_MIN_HEIGHT, rwpf->max_height);
- format->field = V4L2_FIELD_NONE;
- format->colorspace = V4L2_COLORSPACE_SRGB;
-
- fmt->format = *format;
-
- if (rwpf->entity.type == VSP1_ENTITY_RPF) {
- struct v4l2_rect *crop;
-
- /* Update the sink crop rectangle. */
- crop = vsp1_rwpf_get_crop(rwpf, config);
- crop->left = 0;
- crop->top = 0;
- crop->width = fmt->format.width;
- crop->height = fmt->format.height;
- }
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&rwpf->entity, config,
- RWPF_PAD_SOURCE);
- *format = fmt->format;
-
- if (rwpf->flip.rotate) {
- format->width = fmt->format.height;
- format->height = fmt->format.width;
- }
-
-done:
- mutex_unlock(&rwpf->entity.lock);
- return ret;
-}
-
-static int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_rwpf *rwpf = to_rwpf(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- int ret = 0;
-
- /*
- * Cropping is only supported on the RPF and is implemented on the sink
- * pad.
- */
- if (rwpf->entity.type == VSP1_ENTITY_WPF || sel->pad != RWPF_PAD_SINK)
- return -EINVAL;
-
- mutex_lock(&rwpf->entity.lock);
-
- config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, sel->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- switch (sel->target) {
- case V4L2_SEL_TGT_CROP:
- sel->r = *vsp1_rwpf_get_crop(rwpf, config);
- break;
-
- case V4L2_SEL_TGT_CROP_BOUNDS:
- format = vsp1_entity_get_pad_format(&rwpf->entity, config,
- RWPF_PAD_SINK);
- sel->r.left = 0;
- sel->r.top = 0;
- sel->r.width = format->width;
- sel->r.height = format->height;
- break;
-
- default:
- ret = -EINVAL;
- break;
- }
-
-done:
- mutex_unlock(&rwpf->entity.lock);
- return ret;
-}
-
-static int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_selection *sel)
-{
- struct vsp1_rwpf *rwpf = to_rwpf(subdev);
- struct v4l2_subdev_pad_config *config;
- struct v4l2_mbus_framefmt *format;
- struct v4l2_rect *crop;
- int ret = 0;
-
- /*
- * Cropping is only supported on the RPF and is implemented on the sink
- * pad.
- */
- if (rwpf->entity.type == VSP1_ENTITY_WPF || sel->pad != RWPF_PAD_SINK)
- return -EINVAL;
-
- if (sel->target != V4L2_SEL_TGT_CROP)
- return -EINVAL;
-
- mutex_lock(&rwpf->entity.lock);
-
- config = vsp1_entity_get_pad_config(&rwpf->entity, cfg, sel->which);
- if (!config) {
- ret = -EINVAL;
- goto done;
- }
-
- /* Make sure the crop rectangle is entirely contained in the image. */
- format = vsp1_entity_get_pad_format(&rwpf->entity, config,
- RWPF_PAD_SINK);
-
- /*
- * Restrict the crop rectangle coordinates to multiples of 2 to avoid
- * shifting the color plane.
- */
- if (format->code == MEDIA_BUS_FMT_AYUV8_1X32) {
- sel->r.left = ALIGN(sel->r.left, 2);
- sel->r.top = ALIGN(sel->r.top, 2);
- sel->r.width = round_down(sel->r.width, 2);
- sel->r.height = round_down(sel->r.height, 2);
- }
-
- sel->r.left = min_t(unsigned int, sel->r.left, format->width - 2);
- sel->r.top = min_t(unsigned int, sel->r.top, format->height - 2);
- sel->r.width = min_t(unsigned int, sel->r.width,
- format->width - sel->r.left);
- sel->r.height = min_t(unsigned int, sel->r.height,
- format->height - sel->r.top);
-
- crop = vsp1_rwpf_get_crop(rwpf, config);
- *crop = sel->r;
-
- /* Propagate the format to the source pad. */
- format = vsp1_entity_get_pad_format(&rwpf->entity, config,
- RWPF_PAD_SOURCE);
- format->width = crop->width;
- format->height = crop->height;
-
-done:
- mutex_unlock(&rwpf->entity.lock);
- return ret;
-}
-
-const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops = {
- .init_cfg = vsp1_entity_init_cfg,
- .enum_mbus_code = vsp1_rwpf_enum_mbus_code,
- .enum_frame_size = vsp1_rwpf_enum_frame_size,
- .get_fmt = vsp1_subdev_get_pad_format,
- .set_fmt = vsp1_rwpf_set_format,
- .get_selection = vsp1_rwpf_get_selection,
- .set_selection = vsp1_rwpf_set_selection,
-};
-
-/* -----------------------------------------------------------------------------
- * Controls
- */
-
-static int vsp1_rwpf_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct vsp1_rwpf *rwpf =
- container_of(ctrl->handler, struct vsp1_rwpf, ctrls);
-
- switch (ctrl->id) {
- case V4L2_CID_ALPHA_COMPONENT:
- rwpf->alpha = ctrl->val;
- break;
- }
-
- return 0;
-}
-
-static const struct v4l2_ctrl_ops vsp1_rwpf_ctrl_ops = {
- .s_ctrl = vsp1_rwpf_s_ctrl,
-};
-
-int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols)
-{
- v4l2_ctrl_handler_init(&rwpf->ctrls, ncontrols + 1);
- v4l2_ctrl_new_std(&rwpf->ctrls, &vsp1_rwpf_ctrl_ops,
- V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255);
-
- rwpf->entity.subdev.ctrl_handler = &rwpf->ctrls;
-
- return rwpf->ctrls.error;
-}
generated by cgit (git 2.34.1) at 2025-12-25 13:30:08 +0000