diff options
Diffstat (limited to 'drivers/media/platform/renesas/vsp1/vsp1_pipe.c')
| -rw-r--r-- | drivers/media/platform/renesas/vsp1/vsp1_pipe.c | 290 |
1 files changed, 263 insertions, 27 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_pipe.c b/drivers/media/platform/renesas/vsp1/vsp1_pipe.c index 68d05243c3ee..3cbb768cf6ad 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_pipe.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_pipe.c @@ -138,14 +138,6 @@ static const struct vsp1_format_info vsp1_video_formats[] = { VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, 1, { 32, 0, 0 }, false, false, 1, 1, false }, - { V4L2_PIX_FMT_HSV24, MEDIA_BUS_FMT_AHSV8888_1X32, - VI6_FMT_RGB_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | - VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, - 1, { 24, 0, 0 }, false, false, 1, 1, false }, - { V4L2_PIX_FMT_HSV32, MEDIA_BUS_FMT_AHSV8888_1X32, - VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | - VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, - 1, { 32, 0, 0 }, false, false, 1, 1, false }, { V4L2_PIX_FMT_RGBX1010102, MEDIA_BUS_FMT_ARGB8888_1X32, VI6_FMT_RGB10_RGB10A2_A2RGB10, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS, @@ -162,10 +154,6 @@ static const struct vsp1_format_info vsp1_video_formats[] = { VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, 1, { 16, 0, 0 }, false, false, 2, 1, false }, - { V4L2_PIX_FMT_VYUY, MEDIA_BUS_FMT_AYUV8_1X32, - VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | - VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, - 1, { 16, 0, 0 }, false, true, 2, 1, false }, { V4L2_PIX_FMT_YUYV, MEDIA_BUS_FMT_AYUV8_1X32, VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, @@ -222,6 +210,24 @@ static const struct vsp1_format_info vsp1_video_formats[] = { 1, { 32, 0, 0 }, false, false, 2, 1, false }, }; +static const struct vsp1_format_info vsp1_video_gen2_formats[] = { + { V4L2_PIX_FMT_VYUY, MEDIA_BUS_FMT_AYUV8_1X32, + VI6_FMT_YUYV_422, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | + VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, + 1, { 16, 0, 0 }, false, true, 2, 1, false }, +}; + +static const struct vsp1_format_info vsp1_video_hsit_formats[] = { + { V4L2_PIX_FMT_HSV24, MEDIA_BUS_FMT_AHSV8888_1X32, + VI6_FMT_RGB_888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | + VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, + 1, { 24, 0, 0 }, false, false, 1, 1, false }, + { V4L2_PIX_FMT_HSV32, MEDIA_BUS_FMT_AHSV8888_1X32, + VI6_FMT_ARGB_8888, VI6_RPF_DSWAP_P_LLS | VI6_RPF_DSWAP_P_LWS | + VI6_RPF_DSWAP_P_WDS | VI6_RPF_DSWAP_P_BTS, + 1, { 32, 0, 0 }, false, false, 1, 1, false }, +}; + /** * vsp1_get_format_info - Retrieve format information for a 4CC * @vsp1: the VSP1 device @@ -235,26 +241,164 @@ const struct vsp1_format_info *vsp1_get_format_info(struct vsp1_device *vsp1, { unsigned int i; - /* Special case, the VYUY and HSV formats are supported on Gen2 only. */ - if (vsp1->info->gen != 2) { - switch (fourcc) { - case V4L2_PIX_FMT_VYUY: - case V4L2_PIX_FMT_HSV24: - case V4L2_PIX_FMT_HSV32: - return NULL; + for (i = 0; i < ARRAY_SIZE(vsp1_video_formats); ++i) { + const struct vsp1_format_info *info = &vsp1_video_formats[i]; + + if (info->fourcc == fourcc) + return info; + } + + if (vsp1->info->gen == 2) { + for (i = 0; i < ARRAY_SIZE(vsp1_video_gen2_formats); ++i) { + const struct vsp1_format_info *info = + &vsp1_video_gen2_formats[i]; + + if (info->fourcc == fourcc) + return info; + } + } + + if (vsp1_feature(vsp1, VSP1_HAS_HSIT)) { + for (i = 0; i < ARRAY_SIZE(vsp1_video_hsit_formats); ++i) { + const struct vsp1_format_info *info = + &vsp1_video_hsit_formats[i]; + + if (info->fourcc == fourcc) + return info; + } + } + + return NULL; +} + +/** + * vsp1_get_format_info_by_index - Enumerate format information + * @vsp1: the VSP1 device + * @index: the format index + * @code: media bus code to limit enumeration + * + * Return a pointer to the format information structure corresponding to the + * given index, or NULL if the index exceeds the supported formats list. If the + * @code parameter is not zero, only formats compatible with the media bus code + * will be enumerated. + */ +const struct vsp1_format_info * +vsp1_get_format_info_by_index(struct vsp1_device *vsp1, unsigned int index, + u32 code) +{ + unsigned int i; + + if (!code) { + if (index < ARRAY_SIZE(vsp1_video_formats)) + return &vsp1_video_formats[index]; + + if (vsp1->info->gen == 2) { + index -= ARRAY_SIZE(vsp1_video_formats); + if (index < ARRAY_SIZE(vsp1_video_gen2_formats)) + return &vsp1_video_gen2_formats[index]; + } + + if (vsp1_feature(vsp1, VSP1_HAS_HSIT)) { + index -= ARRAY_SIZE(vsp1_video_gen2_formats); + if (index < ARRAY_SIZE(vsp1_video_hsit_formats)) + return &vsp1_video_hsit_formats[index]; } + + return NULL; } for (i = 0; i < ARRAY_SIZE(vsp1_video_formats); ++i) { const struct vsp1_format_info *info = &vsp1_video_formats[i]; - if (info->fourcc == fourcc) - return info; + if (info->mbus == code) { + if (!index) + return info; + index--; + } + } + + if (vsp1->info->gen == 2) { + for (i = 0; i < ARRAY_SIZE(vsp1_video_gen2_formats); ++i) { + const struct vsp1_format_info *info = + &vsp1_video_gen2_formats[i]; + + if (info->mbus == code) { + if (!index) + return info; + index--; + } + } + } + + if (vsp1_feature(vsp1, VSP1_HAS_HSIT)) { + for (i = 0; i < ARRAY_SIZE(vsp1_video_hsit_formats); ++i) { + const struct vsp1_format_info *info = + &vsp1_video_hsit_formats[i]; + + if (info->mbus == code) { + if (!index) + return info; + index--; + } + } } return NULL; } +/** + * vsp1_adjust_color_space - Adjust color space fields in a format + * @code: the media bus code + * @colorspace: the colorspace + * @xfer_func: the transfer function + * @encoding: the encoding + * @quantization: the quantization + * + * This function adjusts all color space fields of a video device of subdev + * format structure, taking into account the requested format, requested color + * space and limitations of the VSP1. It should be used in the video device and + * subdev set format handlers. + * + * The colorspace and xfer_func fields are freely configurable, as they are out + * of scope for VSP processing. The encoding and quantization is hardcoded for + * non-YUV formats, and can be configured for YUV formats. + */ +void vsp1_adjust_color_space(u32 code, u32 *colorspace, u8 *xfer_func, + u8 *encoding, u8 *quantization) +{ + if (*colorspace == V4L2_COLORSPACE_DEFAULT || + *colorspace >= V4L2_COLORSPACE_LAST) + *colorspace = code == MEDIA_BUS_FMT_AYUV8_1X32 + ? V4L2_COLORSPACE_SMPTE170M + : V4L2_COLORSPACE_SRGB; + + if (*xfer_func == V4L2_XFER_FUNC_DEFAULT || + *xfer_func >= V4L2_XFER_FUNC_LAST) + *xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(*colorspace); + + switch (code) { + case MEDIA_BUS_FMT_ARGB8888_1X32: + default: + *encoding = V4L2_YCBCR_ENC_601; + *quantization = V4L2_QUANTIZATION_FULL_RANGE; + break; + + case MEDIA_BUS_FMT_AHSV8888_1X32: + *encoding = V4L2_HSV_ENC_256; + *quantization = V4L2_QUANTIZATION_FULL_RANGE; + break; + + case MEDIA_BUS_FMT_AYUV8_1X32: + if (*encoding != V4L2_YCBCR_ENC_601 && + *encoding != V4L2_YCBCR_ENC_709) + *encoding = V4L2_YCBCR_ENC_601; + if (*quantization != V4L2_QUANTIZATION_FULL_RANGE && + *quantization != V4L2_QUANTIZATION_LIM_RANGE) + *quantization = V4L2_QUANTIZATION_LIM_RANGE; + break; + } +} + /* ----------------------------------------------------------------------------- * Pipeline Management */ @@ -286,6 +430,7 @@ void vsp1_pipeline_reset(struct vsp1_pipeline *pipe) pipe->brx = NULL; pipe->hgo = NULL; pipe->hgt = NULL; + pipe->iif = NULL; pipe->lif = NULL; pipe->uds = NULL; } @@ -301,6 +446,28 @@ void vsp1_pipeline_init(struct vsp1_pipeline *pipe) pipe->state = VSP1_PIPELINE_STOPPED; } +void __vsp1_pipeline_dump(struct _ddebug *dbg, struct vsp1_pipeline *pipe, + const char *msg) +{ + struct vsp1_device *vsp1 = pipe->output->entity.vsp1; + struct vsp1_entity *entity; + bool first = true; + + printk(KERN_DEBUG "%s: %s: pipe: ", dev_name(vsp1->dev), msg); + + list_for_each_entry(entity, &pipe->entities, list_pipe) { + const char *name; + + name = strchrnul(entity->subdev.name, ' '); + name = name ? name + 1 : entity->subdev.name; + + pr_cont("%s%s", first ? "" : ", ", name); + first = false; + } + + pr_cont("\n"); +} + /* Must be called with the pipe irqlock held. */ void vsp1_pipeline_run(struct vsp1_pipeline *pipe) { @@ -444,6 +611,10 @@ void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe, vsp1_uds_set_alpha(pipe->uds, dlb, alpha); } +/* ----------------------------------------------------------------------------- + * VSP1 Partition Algorithm support + */ + /* * Propagate the partition calculations through the pipeline * @@ -452,17 +623,82 @@ void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe, * source. Each entity must produce the partition required for the previous * entity in the pipeline. */ -void vsp1_pipeline_propagate_partition(struct vsp1_pipeline *pipe, - struct vsp1_partition *partition, - unsigned int index, - struct vsp1_partition_window *window) +static void vsp1_pipeline_propagate_partition(struct vsp1_pipeline *pipe, + struct vsp1_partition *partition, + unsigned int index, + struct v4l2_rect *window) { struct vsp1_entity *entity; list_for_each_entry_reverse(entity, &pipe->entities, list_pipe) { if (entity->ops->partition) - entity->ops->partition(entity, pipe, partition, index, - window); + entity->ops->partition(entity, entity->state, pipe, + partition, index, window); } } +/* + * vsp1_pipeline_calculate_partition - Calculate pipeline configuration for a + * partition + * + * @pipe: the pipeline + * @partition: partition that will hold the calculated values + * @div_size: pre-determined maximum partition division size + * @index: partition index + */ +void vsp1_pipeline_calculate_partition(struct vsp1_pipeline *pipe, + struct vsp1_partition *partition, + unsigned int div_size, + unsigned int index) +{ + const struct v4l2_mbus_framefmt *format; + struct v4l2_rect window; + unsigned int modulus; + + /* + * Partitions are computed on the size before rotation, use the format + * at the WPF sink. + */ + format = v4l2_subdev_state_get_format(pipe->output->entity.state, + RWPF_PAD_SINK); + + /* Initialise the partition with sane starting conditions. */ + window.left = index * div_size; + window.width = div_size; + window.top = 0; + window.height = format->height; + + modulus = format->width % div_size; + + /* + * We need to prevent the last partition from being smaller than the + * *minimum* width of the hardware capabilities. + * + * If the modulus is less than half of the partition size, + * the penultimate partition is reduced to half, which is added + * to the final partition: |1234|1234|1234|12|341| + * to prevent this: |1234|1234|1234|1234|1|. + */ + if (modulus) { + /* + * pipe->partitions is 1 based, whilst index is a 0 based index. + * Normalise this locally. + */ + unsigned int partitions = pipe->partitions - 1; + + if (modulus < div_size / 2) { + if (index == partitions - 1) { + /* Halve the penultimate partition. */ + window.width = div_size / 2; + } else if (index == partitions) { + /* Increase the final partition. */ + window.width = (div_size / 2) + modulus; + window.left -= div_size / 2; + } + } else if (index == partitions) { + window.width = modulus; + } + } + + vsp1_pipeline_propagate_partition(pipe, partition, index, &window); +} |