From 02aa769d9fa12d51213e7b1db34bb9b200a967a3 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 14 Mar 2015 08:01:50 -0300 Subject: [PATCH] [media] vivid: add support for 8-bit Bayer formats Add support for: PIX_FMT_SBGGR8, SGBRG8, SGRBG8 and SRGGB8. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vivid/vivid-tpg.c | 57 +++++++++++++++++-- drivers/media/platform/vivid/vivid-tpg.h | 17 ++++-- .../media/platform/vivid/vivid-vid-common.c | 32 +++++++++++ 3 files changed, 97 insertions(+), 9 deletions(-) diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 7079460deb61..9656e4dbd5e7 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -181,6 +181,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) tpg->planes = 1; tpg->buffers = 1; tpg->recalc_colors = true; + tpg->interleaved = false; tpg->vdownsampling[0] = 1; tpg->hdownsampling[0] = 1; tpg->hmask[0] = ~0; @@ -188,6 +189,15 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) tpg->hmask[2] = ~0; switch (fourcc) { + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: + tpg->interleaved = true; + tpg->vdownsampling[1] = 1; + tpg->hdownsampling[1] = 1; + tpg->planes = 2; + /* fall through */ case V4L2_PIX_FMT_RGB332: case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: @@ -326,13 +336,14 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_NV21: case V4L2_PIX_FMT_NV12M: case V4L2_PIX_FMT_NV21M: - tpg->twopixelsize[0] = 2; - tpg->twopixelsize[1] = 2; - break; case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV61: case V4L2_PIX_FMT_NV16M: case V4L2_PIX_FMT_NV61M: + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: tpg->twopixelsize[0] = 2; tpg->twopixelsize[1] = 2; break; @@ -1011,6 +1022,35 @@ static void gen_twopix(struct tpg_data *tpg, buf[0][offset + 2] = r_y; buf[0][offset + 3] = alpha; break; + case V4L2_PIX_FMT_SBGGR8: + buf[0][offset] = odd ? g_u : b_v; + buf[1][offset] = odd ? r_y : g_u; + break; + case V4L2_PIX_FMT_SGBRG8: + buf[0][offset] = odd ? b_v : g_u; + buf[1][offset] = odd ? g_u : r_y; + break; + case V4L2_PIX_FMT_SGRBG8: + buf[0][offset] = odd ? r_y : g_u; + buf[1][offset] = odd ? g_u : b_v; + break; + case V4L2_PIX_FMT_SRGGB8: + buf[0][offset] = odd ? g_u : r_y; + buf[1][offset] = odd ? b_v : g_u; + break; + } +} + +unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line) +{ + switch (tpg->fourcc) { + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: + return buf_line & 1; + default: + return 0; } } @@ -1614,6 +1654,8 @@ void tpg_calc_text_basep(struct tpg_data *tpg, basep[p][1] += h * stride / 2; else if (tpg->field == V4L2_FIELD_SEQ_BT) basep[p][0] += h * stride / 2; + if (p == 0 && tpg->interleaved) + tpg_calc_text_basep(tpg, basep, 1, vbuf); } static int tpg_pattern_avg(const struct tpg_data *tpg, @@ -1990,6 +2032,13 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, src_y++; } + /* + * For line-interleaved formats determine the 'plane' + * based on the buffer line. + */ + if (tpg_g_interleaved(tpg)) + p = tpg_g_interleaved_plane(tpg, buf_line); + if (tpg->vdownsampling[p] > 1) { /* * When doing vertical downsampling the field setting @@ -2036,7 +2085,7 @@ void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) return; } - for (i = 0; i < tpg->planes; i++) { + for (i = 0; i < tpg_g_planes(tpg); i++) { tpg_fill_plane_buffer(tpg, std, i, vbuf + offset); offset += tpg_calc_plane_size(tpg, i); } diff --git a/drivers/media/platform/vivid/vivid-tpg.h b/drivers/media/platform/vivid/vivid-tpg.h index 82ce9bfa8604..a50cd2e2535b 100644 --- a/drivers/media/platform/vivid/vivid-tpg.h +++ b/drivers/media/platform/vivid/vivid-tpg.h @@ -140,6 +140,7 @@ struct tpg_data { unsigned real_rgb_range; unsigned buffers; unsigned planes; + bool interleaved; u8 vdownsampling[TPG_MAX_PLANES]; u8 hdownsampling[TPG_MAX_PLANES]; /* @@ -197,6 +198,7 @@ void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text); void tpg_calc_text_basep(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf); +unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line); void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf); void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, @@ -346,7 +348,12 @@ static inline unsigned tpg_g_buffers(const struct tpg_data *tpg) static inline unsigned tpg_g_planes(const struct tpg_data *tpg) { - return tpg->planes; + return tpg->interleaved ? 1 : tpg->planes; +} + +static inline bool tpg_g_interleaved(const struct tpg_data *tpg) +{ + return tpg->interleaved; } static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane) @@ -386,7 +393,7 @@ static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsi return; } - for (p = 0; p < tpg->planes; p++) { + for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p]; @@ -401,7 +408,7 @@ static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned pla if (tpg->buffers > 1) return tpg_g_bytesperline(tpg, plane); - for (p = 0; p < tpg->planes; p++) { + for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = tpg_g_bytesperline(tpg, p); w += plane_w / tpg->vdownsampling[p]; @@ -417,7 +424,7 @@ static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg, if (tpg->buffers > 1) return bpl; - for (p = 0; p < tpg->planes; p++) { + for (p = 0; p < tpg_g_planes(tpg); p++) { unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; plane_w /= tpg->hdownsampling[p]; @@ -428,7 +435,7 @@ static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg, static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane) { - if (plane >= tpg->planes) + if (plane >= tpg_g_planes(tpg)) return 0; return tpg_g_bytesperline(tpg, plane) * tpg->buf_height / diff --git a/drivers/media/platform/vivid/vivid-vid-common.c b/drivers/media/platform/vivid/vivid-vid-common.c index 8f0910da2bc4..283b2e861b79 100644 --- a/drivers/media/platform/vivid/vivid-vid-common.c +++ b/drivers/media/platform/vivid/vivid-vid-common.c @@ -383,6 +383,38 @@ struct vivid_fmt vivid_formats[] = { .buffers = 1, .alpha_mask = 0xff000000, }, + { + .name = "Bayer BG/GR", + .fourcc = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */ + .vdownsampling = { 1 }, + .bit_depth = { 8 }, + .planes = 1, + .buffers = 1, + }, + { + .name = "Bayer GB/RG", + .fourcc = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */ + .vdownsampling = { 1 }, + .bit_depth = { 8 }, + .planes = 1, + .buffers = 1, + }, + { + .name = "Bayer GR/BG", + .fourcc = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */ + .vdownsampling = { 1 }, + .bit_depth = { 8 }, + .planes = 1, + .buffers = 1, + }, + { + .name = "Bayer RG/GB", + .fourcc = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */ + .vdownsampling = { 1 }, + .bit_depth = { 8 }, + .planes = 1, + .buffers = 1, + }, { .name = "4:2:2, biplanar, YUV", .fourcc = V4L2_PIX_FMT_NV16M, -- 2.39.5