From: Nícolas F. R. A. Prado Date: Fri, 1 May 2020 13:11:23 +0000 (+0200) Subject: media: vimc: deb: Add support for {RGB,BGR,GBR}888 bus formats on source pad X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f4d12d8009d9e9917859c6a4291d49c6e70e92c1;p=uclinux-h8%2Flinux.git media: vimc: deb: Add support for {RGB,BGR,GBR}888 bus formats on source pad Add support for RGB888_*, BGR888_* and GBR888_* media bus formats on the source pad of debayer subdevices. Acked-by: Helen Koike Co-developed-by: Vitor Massaru Iha Signed-off-by: Vitor Massaru Iha Signed-off-by: Nícolas F. R. A. Prado Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/test-drivers/vimc/vimc-debayer.c b/drivers/media/test-drivers/vimc/vimc-debayer.c index c4765ebaeec2..c3f6fef34f68 100644 --- a/drivers/media/test-drivers/vimc/vimc-debayer.c +++ b/drivers/media/test-drivers/vimc/vimc-debayer.c @@ -51,6 +51,19 @@ static const struct v4l2_mbus_framefmt sink_fmt_default = { .colorspace = V4L2_COLORSPACE_SRGB, }; +static const u32 vimc_deb_src_mbus_codes[] = { + MEDIA_BUS_FMT_GBR888_1X24, + MEDIA_BUS_FMT_BGR888_1X24, + MEDIA_BUS_FMT_BGR888_3X8, + MEDIA_BUS_FMT_RGB888_1X24, + MEDIA_BUS_FMT_RGB888_2X12_BE, + MEDIA_BUS_FMT_RGB888_2X12_LE, + MEDIA_BUS_FMT_RGB888_3X8, + MEDIA_BUS_FMT_RGB888_1X7X4_SPWG, + MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA, + MEDIA_BUS_FMT_RGB888_1X32_PADHI, +}; + static const struct vimc_deb_pix_map vimc_deb_pix_map_list[] = { { .code = MEDIA_BUS_FMT_SBGGR8_1X8, @@ -125,6 +138,17 @@ static const struct vimc_deb_pix_map *vimc_deb_pix_map_by_code(u32 code) return NULL; } +static bool vimc_deb_src_code_is_valid(u32 code) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(vimc_deb_src_mbus_codes); i++) + if (vimc_deb_src_mbus_codes[i] == code) + return true; + + return false; +} + static int vimc_deb_init_cfg(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg) { @@ -148,14 +172,11 @@ static int vimc_deb_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { - /* We only support one format for source pads */ if (VIMC_IS_SRC(code->pad)) { - struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd); - - if (code->index) + if (code->index >= ARRAY_SIZE(vimc_deb_src_mbus_codes)) return -EINVAL; - code->code = vdeb->src_code; + code->code = vimc_deb_src_mbus_codes[code->index]; } else { if (code->index >= ARRAY_SIZE(vimc_deb_pix_map_list)) return -EINVAL; @@ -170,8 +191,6 @@ static int vimc_deb_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { - struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd); - if (fse->index) return -EINVAL; @@ -181,7 +200,7 @@ static int vimc_deb_enum_frame_size(struct v4l2_subdev *sd, if (!vpix) return -EINVAL; - } else if (fse->code != vdeb->src_code) { + } else if (!vimc_deb_src_code_is_valid(fse->code)) { return -EINVAL; } @@ -237,6 +256,7 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd, { struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *sink_fmt; + u32 *src_code; if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { /* Do not change the format while stream is on */ @@ -244,8 +264,10 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd, return -EBUSY; sink_fmt = &vdeb->sink_fmt; + src_code = &vdeb->src_code; } else { sink_fmt = v4l2_subdev_get_try_format(sd, cfg, 0); + src_code = &v4l2_subdev_get_try_format(sd, cfg, 1)->code; } /* @@ -253,9 +275,14 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd, * it is propagated from the sink */ if (VIMC_IS_SRC(fmt->pad)) { + u32 code = fmt->format.code; + fmt->format = *sink_fmt; - /* TODO: Add support for other formats */ - fmt->format.code = vdeb->src_code; + + if (vimc_deb_src_code_is_valid(code)) + *src_code = code; + + fmt->format.code = *src_code; } else { /* Set the new format in the sink pad */ vimc_deb_adjust_sink_fmt(&fmt->format); @@ -286,16 +313,26 @@ static const struct v4l2_subdev_pad_ops vimc_deb_pad_ops = { .set_fmt = vimc_deb_set_fmt, }; -static void vimc_deb_set_rgb_mbus_fmt_rgb888_1x24(struct vimc_deb_device *vdeb, - unsigned int lin, - unsigned int col, - unsigned int rgb[3]) +static void vimc_deb_process_rgb_frame(struct vimc_deb_device *vdeb, + unsigned int lin, + unsigned int col, + unsigned int rgb[3]) { + const struct vimc_pix_map *vpix; unsigned int i, index; + vpix = vimc_pix_map_by_code(vdeb->src_code); index = VIMC_FRAME_INDEX(lin, col, vdeb->sink_fmt.width, 3); - for (i = 0; i < 3; i++) - vdeb->src_frame[index + i] = rgb[i]; + for (i = 0; i < 3; i++) { + switch (vpix->pixelformat) { + case V4L2_PIX_FMT_RGB24: + vdeb->src_frame[index + i] = rgb[i]; + break; + case V4L2_PIX_FMT_BGR24: + vdeb->src_frame[index + i] = rgb[2 - i]; + break; + } + } } static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable) @@ -568,7 +605,7 @@ static struct vimc_ent_device *vimc_deb_add(struct vimc_device *vimc, * for the code */ vdeb->src_code = MEDIA_BUS_FMT_RGB888_1X24; - vdeb->set_rgb_src = vimc_deb_set_rgb_mbus_fmt_rgb888_1x24; + vdeb->set_rgb_src = vimc_deb_process_rgb_frame; return &vdeb->ved;