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path: root/drivers/media/video/s5p-tv/mixer_grp_layer.c
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Diffstat (limited to 'drivers/media/video/s5p-tv/mixer_grp_layer.c')
-rw-r--r--drivers/media/video/s5p-tv/mixer_grp_layer.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/drivers/media/video/s5p-tv/mixer_grp_layer.c b/drivers/media/video/s5p-tv/mixer_grp_layer.c
deleted file mode 100644
index b93a21f5aa13..000000000000
--- a/drivers/media/video/s5p-tv/mixer_grp_layer.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * Samsung TV Mixer driver
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *
- * Tomasz Stanislawski, <t.stanislaws@samsung.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 Foundiation. either version 2 of the License,
- * or (at your option) any later version
- */
-
-#include "mixer.h"
-
-#include <media/videobuf2-dma-contig.h>
-
-/* FORMAT DEFINITIONS */
-
-static const struct mxr_format mxr_fb_fmt_rgb565 = {
- .name = "RGB565",
- .fourcc = V4L2_PIX_FMT_RGB565,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .num_planes = 1,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 4,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb1555 = {
- .name = "ARGB1555",
- .num_planes = 1,
- .fourcc = V4L2_PIX_FMT_RGB555,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 5,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb4444 = {
- .name = "ARGB4444",
- .num_planes = 1,
- .fourcc = V4L2_PIX_FMT_RGB444,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .plane = {
- { .width = 1, .height = 1, .size = 2 },
- },
- .num_subframes = 1,
- .cookie = 6,
-};
-
-static const struct mxr_format mxr_fb_fmt_argb8888 = {
- .name = "ARGB8888",
- .fourcc = V4L2_PIX_FMT_BGR32,
- .colorspace = V4L2_COLORSPACE_SRGB,
- .num_planes = 1,
- .plane = {
- { .width = 1, .height = 1, .size = 4 },
- },
- .num_subframes = 1,
- .cookie = 7,
-};
-
-static const struct mxr_format *mxr_graph_format[] = {
- &mxr_fb_fmt_rgb565,
- &mxr_fb_fmt_argb1555,
- &mxr_fb_fmt_argb4444,
- &mxr_fb_fmt_argb8888,
-};
-
-/* AUXILIARY CALLBACKS */
-
-static void mxr_graph_layer_release(struct mxr_layer *layer)
-{
- mxr_base_layer_unregister(layer);
- mxr_base_layer_release(layer);
-}
-
-static void mxr_graph_buffer_set(struct mxr_layer *layer,
- struct mxr_buffer *buf)
-{
- dma_addr_t addr = 0;
-
- if (buf)
- addr = vb2_dma_contig_plane_dma_addr(&buf->vb, 0);
- mxr_reg_graph_buffer(layer->mdev, layer->idx, addr);
-}
-
-static void mxr_graph_stream_set(struct mxr_layer *layer, int en)
-{
- mxr_reg_graph_layer_stream(layer->mdev, layer->idx, en);
-}
-
-static void mxr_graph_format_set(struct mxr_layer *layer)
-{
- mxr_reg_graph_format(layer->mdev, layer->idx,
- layer->fmt, &layer->geo);
-}
-
-static inline unsigned int closest(unsigned int x, unsigned int a,
- unsigned int b, unsigned long flags)
-{
- unsigned int mid = (a + b) / 2;
-
- /* choosing closest value with constraints according to table:
- * -------------+-----+-----+-----+-------+
- * flags | 0 | LE | GE | LE|GE |
- * -------------+-----+-----+-----+-------+
- * x <= a | a | a | a | a |
- * a < x <= mid | a | a | b | a |
- * mid < x < b | b | a | b | b |
- * b <= x | b | b | b | b |
- * -------------+-----+-----+-----+-------+
- */
-
- /* remove all non-constraint flags */
- flags &= V4L2_SEL_FLAG_LE | V4L2_SEL_FLAG_GE;
-
- if (x <= a)
- return a;
- if (x >= b)
- return b;
- if (flags == V4L2_SEL_FLAG_LE)
- return a;
- if (flags == V4L2_SEL_FLAG_GE)
- return b;
- if (x <= mid)
- return a;
- return b;
-}
-
-static inline unsigned int do_center(unsigned int center,
- unsigned int size, unsigned int upper, unsigned int flags)
-{
- unsigned int lower;
-
- if (flags & MXR_NO_OFFSET)
- return 0;
-
- lower = center - min(center, size / 2);
- return min(lower, upper - size);
-}
-
-static void mxr_graph_fix_geometry(struct mxr_layer *layer,
- enum mxr_geometry_stage stage, unsigned long flags)
-{
- struct mxr_geometry *geo = &layer->geo;
- struct mxr_crop *src = &geo->src;
- struct mxr_crop *dst = &geo->dst;
- unsigned int x_center, y_center;
-
- switch (stage) {
-
- case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
- flags = 0;
- /* fall through */
-
- case MXR_GEOMETRY_COMPOSE:
- /* remember center of the area */
- x_center = dst->x_offset + dst->width / 2;
- y_center = dst->y_offset + dst->height / 2;
- /* round up/down to 2 multiple depending on flags */
- if (flags & V4L2_SEL_FLAG_LE) {
- dst->width = round_down(dst->width, 2);
- dst->height = round_down(dst->height, 2);
- } else {
- dst->width = round_up(dst->width, 2);
- dst->height = round_up(dst->height, 2);
- }
- /* assure that compose rect is inside display area */
- dst->width = min(dst->width, dst->full_width);
- dst->height = min(dst->height, dst->full_height);
-
- /* ensure that compose is reachable using 2x scaling */
- dst->width = min(dst->width, 2 * src->full_width);
- dst->height = min(dst->height, 2 * src->full_height);
-
- /* setup offsets */
- dst->x_offset = do_center(x_center, dst->width,
- dst->full_width, flags);
- dst->y_offset = do_center(y_center, dst->height,
- dst->full_height, flags);
- flags = 0;
- /* fall through */
-
- case MXR_GEOMETRY_CROP:
- /* remember center of the area */
- x_center = src->x_offset + src->width / 2;
- y_center = src->y_offset + src->height / 2;
- /* ensure that cropping area lies inside the buffer */
- if (src->full_width < dst->width)
- src->width = dst->width / 2;
- else
- src->width = closest(src->width, dst->width / 2,
- dst->width, flags);
-
- if (src->width == dst->width)
- geo->x_ratio = 0;
- else
- geo->x_ratio = 1;
-
- if (src->full_height < dst->height)
- src->height = dst->height / 2;
- else
- src->height = closest(src->height, dst->height / 2,
- dst->height, flags);
-
- if (src->height == dst->height)
- geo->y_ratio = 0;
- else
- geo->y_ratio = 1;
-
- /* setup offsets */
- src->x_offset = do_center(x_center, src->width,
- src->full_width, flags);
- src->y_offset = do_center(y_center, src->height,
- src->full_height, flags);
- flags = 0;
- /* fall through */
- case MXR_GEOMETRY_SOURCE:
- src->full_width = clamp_val(src->full_width,
- src->width + src->x_offset, 32767);
- src->full_height = clamp_val(src->full_height,
- src->height + src->y_offset, 2047);
- };
-}
-
-/* PUBLIC API */
-
-struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx)
-{
- struct mxr_layer *layer;
- int ret;
- struct mxr_layer_ops ops = {
- .release = mxr_graph_layer_release,
- .buffer_set = mxr_graph_buffer_set,
- .stream_set = mxr_graph_stream_set,
- .format_set = mxr_graph_format_set,
- .fix_geometry = mxr_graph_fix_geometry,
- };
- char name[32];
-
- sprintf(name, "graph%d", idx);
-
- layer = mxr_base_layer_create(mdev, idx, name, &ops);
- if (layer == NULL) {
- mxr_err(mdev, "failed to initialize layer(%d) base\n", idx);
- goto fail;
- }
-
- layer->fmt_array = mxr_graph_format;
- layer->fmt_array_size = ARRAY_SIZE(mxr_graph_format);
-
- ret = mxr_base_layer_register(layer);
- if (ret)
- goto fail_layer;
-
- return layer;
-
-fail_layer:
- mxr_base_layer_release(layer);
-
-fail:
- return NULL;
-}
-
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-22 17:56:17 +0300