diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0308-staging-bcm2835_codec-Add-support-for-the-ISP-as-an-.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0308-staging-bcm2835_codec-Add-support-for-the-ISP-as-an-.patch | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0308-staging-bcm2835_codec-Add-support-for-the-ISP-as-an-.patch b/target/linux/brcm2708/patches-4.19/950-0308-staging-bcm2835_codec-Add-support-for-the-ISP-as-an-.patch deleted file mode 100644 index df59acd249..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0308-staging-bcm2835_codec-Add-support-for-the-ISP-as-an-.patch +++ /dev/null @@ -1,384 +0,0 @@ -From 7afce6566802bcaa468f92b9e06da8b899161128 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Wed, 13 Feb 2019 14:07:52 +0000 -Subject: [PATCH] staging: bcm2835_codec: Add support for the ISP as an - M2M device - -The MMAL ISP component can also use this same V4L2 wrapper to -provide a M2M format conversion and resizer. -Instantiate 3 V4L2 devices now, one for each of decode, encode, -and isp. -The ISP currently doesn't expose any controls via V4L2, but this -can be extended in the future. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - .../bcm2835-codec/bcm2835-v4l2-codec.c | 132 ++++++++++++------ - 1 file changed, 92 insertions(+), 40 deletions(-) - ---- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c -+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c -@@ -54,10 +54,26 @@ static int encode_video_nr = 11; - module_param(encode_video_nr, int, 0644); - MODULE_PARM_DESC(encode_video_nr, "encoder video device number"); - -+static int isp_video_nr = 12; -+module_param(isp_video_nr, int, 0644); -+MODULE_PARM_DESC(isp_video_nr, "isp video device number"); -+ - static unsigned int debug; - module_param(debug, uint, 0644); - MODULE_PARM_DESC(debug, "activates debug info (0-3)"); - -+enum bcm2835_codec_role { -+ DECODE, -+ ENCODE, -+ ISP, -+}; -+ -+static const char * const components[] = { -+ "ril.video_decode", -+ "ril.video_encode", -+ "ril.isp", -+}; -+ - #define MIN_W 32 - #define MIN_H 32 - #define MAX_W 1920 -@@ -373,7 +389,7 @@ struct bcm2835_codec_dev { - atomic_t num_inst; - - /* allocated mmal instance and components */ -- bool decode; /* Is this instance a decoder? */ -+ enum bcm2835_codec_role role; - /* The list of formats supported on input and output queues. */ - struct bcm2835_codec_fmt_list supported_fmts[2]; - -@@ -558,7 +574,7 @@ static void setup_mmal_port_format(struc - port->es.video.frame_rate.den = 1; - } else { - /* Compressed format - leave resolution as 0 for decode */ -- if (ctx->dev->decode) { -+ if (ctx->dev->role == DECODE) { - port->es.video.width = 0; - port->es.video.height = 0; - port->es.video.crop.width = 0; -@@ -1089,7 +1105,8 @@ static int vidioc_s_fmt(struct bcm2835_c - v4l2_dbg(1, debug, &ctx->dev->v4l2_dev, "Calulated bpl as %u, size %u\n", - q_data->bytesperline, q_data->sizeimage); - -- if (ctx->dev->decode && q_data->fmt->flags & V4L2_FMT_FLAG_COMPRESSED && -+ if (ctx->dev->role == DECODE && -+ q_data->fmt->flags & V4L2_FMT_FLAG_COMPRESSED && - f->fmt.pix.width && f->fmt.pix.height) { - /* - * On the decoder, if provided with a resolution on the input -@@ -1188,7 +1205,8 @@ static int vidioc_g_selection(struct fil - bool capture_queue = s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ? - true : false; - -- if (capture_queue ^ ctx->dev->decode) -+ if ((ctx->dev->role == DECODE && !capture_queue) || -+ (ctx->dev->role == ENCODE && capture_queue)) - /* OUTPUT on decoder and CAPTURE on encoder are not valid. */ - return -EINVAL; - -@@ -1196,7 +1214,8 @@ static int vidioc_g_selection(struct fil - if (!q_data) - return -EINVAL; - -- if (ctx->dev->decode) { -+ switch (ctx->dev->role) { -+ case DECODE: - switch (s->target) { - case V4L2_SEL_TGT_COMPOSE_DEFAULT: - case V4L2_SEL_TGT_COMPOSE: -@@ -1214,7 +1233,8 @@ static int vidioc_g_selection(struct fil - default: - return -EINVAL; - } -- } else { -+ break; -+ case ENCODE: - switch (s->target) { - case V4L2_SEL_TGT_CROP_DEFAULT: - case V4L2_SEL_TGT_CROP_BOUNDS: -@@ -1232,6 +1252,9 @@ static int vidioc_g_selection(struct fil - default: - return -EINVAL; - } -+ break; -+ case ISP: -+ break; - } - - return 0; -@@ -1249,7 +1272,8 @@ static int vidioc_s_selection(struct fil - __func__, ctx, s->type, q_data, s->target, s->r.left, s->r.top, - s->r.width, s->r.height); - -- if (capture_queue ^ ctx->dev->decode) -+ if ((ctx->dev->role == DECODE && !capture_queue) || -+ (ctx->dev->role == ENCODE && capture_queue)) - /* OUTPUT on decoder and CAPTURE on encoder are not valid. */ - return -EINVAL; - -@@ -1257,7 +1281,8 @@ static int vidioc_s_selection(struct fil - if (!q_data) - return -EINVAL; - -- if (ctx->dev->decode) { -+ switch (ctx->dev->role) { -+ case DECODE: - switch (s->target) { - case V4L2_SEL_TGT_COMPOSE: - /* Accept cropped image */ -@@ -1272,7 +1297,8 @@ static int vidioc_s_selection(struct fil - default: - return -EINVAL; - } -- } else { -+ break; -+ case ENCODE: - switch (s->target) { - case V4L2_SEL_TGT_CROP: - /* Only support crop from (0,0) */ -@@ -1287,6 +1313,9 @@ static int vidioc_s_selection(struct fil - default: - return -EINVAL; - } -+ break; -+ case ISP: -+ break; - } - - return 0; -@@ -1490,7 +1519,7 @@ static int vidioc_try_decoder_cmd(struct - { - struct bcm2835_codec_ctx *ctx = file2ctx(file); - -- if (!ctx->dev->decode) -+ if (ctx->dev->role != DECODE) - return -EINVAL; - - switch (cmd->cmd) { -@@ -1564,7 +1593,7 @@ static int vidioc_try_encoder_cmd(struct - { - struct bcm2835_codec_ctx *ctx = file2ctx(file); - -- if (ctx->dev->decode) -+ if (ctx->dev->role != ENCODE) - return -EINVAL; - - switch (cmd->cmd) { -@@ -1697,12 +1726,11 @@ static int bcm2835_codec_create_componen - unsigned int enable = 1; - int ret; - -- ret = vchiq_mmal_component_init(dev->instance, dev->decode ? -- "ril.video_decode" : "ril.video_encode", -+ ret = vchiq_mmal_component_init(dev->instance, components[dev->role], - &ctx->component); - if (ret < 0) { -- v4l2_err(&dev->v4l2_dev, "%s: failed to create component for %s\n", -- __func__, dev->decode ? "decode" : "encode"); -+ v4l2_err(&dev->v4l2_dev, "%s: failed to create component %s\n", -+ __func__, components[dev->role]); - return -ENOMEM; - } - -@@ -1729,13 +1757,7 @@ static int bcm2835_codec_create_componen - if (ret < 0) - goto destroy_component; - -- if (dev->decode) { -- if (ctx->q_data[V4L2_M2M_DST].sizeimage < -- ctx->component->output[0].minimum_buffer.size) -- v4l2_err(&dev->v4l2_dev, "buffer size mismatch sizeimage %u < min size %u\n", -- ctx->q_data[V4L2_M2M_DST].sizeimage, -- ctx->component->output[0].minimum_buffer.size); -- } else { -+ if (dev->role == ENCODE) { - if (ctx->q_data[V4L2_M2M_SRC].sizeimage < - ctx->component->output[0].minimum_buffer.size) - v4l2_err(&dev->v4l2_dev, "buffer size mismatch sizeimage %u < min size %u\n", -@@ -1744,6 +1766,12 @@ static int bcm2835_codec_create_componen - - /* Now we have a component we can set all the ctrls */ - bcm2835_codec_set_ctrls(ctx); -+ } else { -+ if (ctx->q_data[V4L2_M2M_DST].sizeimage < -+ ctx->component->output[0].minimum_buffer.size) -+ v4l2_err(&dev->v4l2_dev, "buffer size mismatch sizeimage %u < min size %u\n", -+ ctx->q_data[V4L2_M2M_DST].sizeimage, -+ ctx->component->output[0].minimum_buffer.size); - } - - return 0; -@@ -2090,8 +2118,6 @@ static int bcm2835_codec_open(struct fil - struct v4l2_ctrl_handler *hdl; - int rc = 0; - -- v4l2_dbg(1, debug, &dev->v4l2_dev, "Creating instance for %s\n", -- dev->decode ? "decode" : "encode"); - if (mutex_lock_interruptible(&dev->dev_mutex)) { - v4l2_err(&dev->v4l2_dev, "Mutex fail\n"); - return -ERESTARTSYS; -@@ -2104,7 +2130,8 @@ static int bcm2835_codec_open(struct fil - - ctx->q_data[V4L2_M2M_SRC].fmt = get_default_format(dev, false); - ctx->q_data[V4L2_M2M_DST].fmt = get_default_format(dev, true); -- if (dev->decode) { -+ switch (dev->role) { -+ case DECODE: - /* - * Input width and height are irrelevant as they will be defined - * by the bitstream not the format. Required by V4L2 though. -@@ -2126,7 +2153,8 @@ static int bcm2835_codec_open(struct fil - get_sizeimage(ctx->q_data[V4L2_M2M_DST].bytesperline, - ctx->q_data[V4L2_M2M_DST].height, - ctx->q_data[V4L2_M2M_DST].fmt); -- } else { -+ break; -+ case ENCODE: - ctx->q_data[V4L2_M2M_SRC].crop_width = DEFAULT_WIDTH; - ctx->q_data[V4L2_M2M_SRC].crop_height = DEFAULT_HEIGHT; - ctx->q_data[V4L2_M2M_SRC].height = DEFAULT_HEIGHT; -@@ -2144,6 +2172,9 @@ static int bcm2835_codec_open(struct fil - ctx->q_data[V4L2_M2M_DST].height = DEFAULT_HEIGHT; - ctx->q_data[V4L2_M2M_DST].sizeimage = - DEF_COMP_BUF_SIZE_720P_OR_LESS; -+ break; -+ case ISP: -+ break; - } - - ctx->colorspace = V4L2_COLORSPACE_REC709; -@@ -2154,7 +2185,7 @@ static int bcm2835_codec_open(struct fil - file->private_data = &ctx->fh; - ctx->dev = dev; - hdl = &ctx->hdl; -- if (!dev->decode) { -+ if (dev->role == ENCODE) { - /* Encode controls */ - v4l2_ctrl_handler_init(hdl, 6); - -@@ -2303,14 +2334,11 @@ static int bcm2835_codec_get_supported_f - unsigned int i, j, num_encodings; - int ret; - -- ret = vchiq_mmal_component_init(dev->instance, -- dev->decode ? -- "ril.video_decode" : -- "ril.video_encode", -+ ret = vchiq_mmal_component_init(dev->instance, components[dev->role], - &component); - if (ret < 0) { -- v4l2_err(&dev->v4l2_dev, "%s: failed to create component\n", -- __func__); -+ v4l2_err(&dev->v4l2_dev, "%s: failed to create component %s\n", -+ __func__, components[dev->role]); - return -ENOMEM; - } - -@@ -2406,12 +2434,13 @@ destroy_component: - - static int bcm2835_codec_create(struct platform_device *pdev, - struct bcm2835_codec_dev **new_dev, -- bool decode) -+ enum bcm2835_codec_role role) - { - struct bcm2835_codec_dev *dev; - struct video_device *vfd; - int video_nr; - int ret; -+ const static char *roles[] = {"decode", "encode", "isp"}; - - dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) -@@ -2419,7 +2448,7 @@ static int bcm2835_codec_create(struct p - - dev->pdev = pdev; - -- dev->decode = decode; -+ dev->role = role; - - ret = vchiq_mmal_init(&dev->instance); - if (ret) -@@ -2441,14 +2470,27 @@ static int bcm2835_codec_create(struct p - vfd->lock = &dev->dev_mutex; - vfd->v4l2_dev = &dev->v4l2_dev; - -- if (dev->decode) { -+ switch (role) { -+ case DECODE: - v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD); - v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); - video_nr = decode_video_nr; -- } else { -+ break; -+ case ENCODE: - v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD); - v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD); - video_nr = encode_video_nr; -+ break; -+ case ISP: -+ v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD); -+ v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); -+ v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD); -+ v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD); -+ video_nr = isp_video_nr; -+ break; -+ default: -+ ret = -EINVAL; -+ goto unreg_dev; - } - - ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr); -@@ -2473,7 +2515,7 @@ static int bcm2835_codec_create(struct p - } - - v4l2_info(&dev->v4l2_dev, "Loaded V4L2 %s\n", -- dev->decode ? "decode" : "encode"); -+ roles[role]); - return 0; - - err_m2m: -@@ -2509,11 +2551,15 @@ static int bcm2835_codec_probe(struct pl - if (!drv) - return -ENOMEM; - -- ret = bcm2835_codec_create(pdev, &drv->encode, false); -+ ret = bcm2835_codec_create(pdev, &drv->decode, DECODE); - if (ret) - goto out; - -- ret = bcm2835_codec_create(pdev, &drv->decode, true); -+ ret = bcm2835_codec_create(pdev, &drv->encode, ENCODE); -+ if (ret) -+ goto out; -+ -+ ret = bcm2835_codec_create(pdev, &drv->isp, ISP); - if (ret) - goto out; - -@@ -2526,6 +2572,10 @@ out: - bcm2835_codec_destroy(drv->encode); - drv->encode = NULL; - } -+ if (drv->decode) { -+ bcm2835_codec_destroy(drv->decode); -+ drv->decode = NULL; -+ } - return ret; - } - -@@ -2533,6 +2583,8 @@ static int bcm2835_codec_remove(struct p - { - struct bcm2835_codec_driver *drv = platform_get_drvdata(pdev); - -+ bcm2835_codec_destroy(drv->isp); -+ - bcm2835_codec_destroy(drv->encode); - - bcm2835_codec_destroy(drv->decode); |