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-rw-r--r--drivers/media/v4l2-core/v4l2-common.c40
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls-core.c20
-rw-r--r--drivers/media/v4l2-core/v4l2-i2c.c3
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c10
-rw-r--r--drivers/media/v4l2-core/v4l2-jpeg.c80
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c31
6 files changed, 85 insertions, 99 deletions
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index bd160a8c9efe..6e585bc76367 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -323,6 +323,12 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
{ .format = V4L2_PIX_FMT_NV61M, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 2, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_P012M, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 2, .comp_planes = 2, .bpp = { 2, 4, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2 },
+ /* Tiled YUV formats, non contiguous variant */
+ { .format = V4L2_PIX_FMT_NV12MT, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 2, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2,
+ .block_w = { 64, 32, 0, 0 }, .block_h = { 32, 16, 0, 0 }},
+ { .format = V4L2_PIX_FMT_NV12MT_16X16, .pixel_enc = V4L2_PIXEL_ENC_YUV, .mem_planes = 2, .comp_planes = 2, .bpp = { 1, 2, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 2, .vdiv = 2,
+ .block_w = { 16, 8, 0, 0 }, .block_h = { 16, 8, 0, 0 }},
+
/* Bayer RGB formats */
{ .format = V4L2_PIX_FMT_SBGGR8, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SGBRG8, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
@@ -332,6 +338,10 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
{ .format = V4L2_PIX_FMT_SGBRG10, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SGRBG10, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SRGGB10, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SBGGR10P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 5, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGBRG10P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 5, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGRBG10P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 5, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SRGGB10P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 5, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SBGGR10ALAW8, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SGBRG10ALAW8, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SGRBG10ALAW8, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 1, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
@@ -344,6 +354,28 @@ const struct v4l2_format_info *v4l2_format_info(u32 format)
{ .format = V4L2_PIX_FMT_SGBRG12, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SGRBG12, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
{ .format = V4L2_PIX_FMT_SRGGB12, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SBGGR12P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 3, 0, 0, 0 }, .bpp_div = { 2, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGBRG12P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 3, 0, 0, 0 }, .bpp_div = { 2, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGRBG12P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 3, 0, 0, 0 }, .bpp_div = { 2, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SRGGB12P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 3, 0, 0, 0 }, .bpp_div = { 2, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SBGGR14, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGBRG14, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGRBG14, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SRGGB14, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SBGGR14P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 7, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGBRG14P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 7, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGRBG14P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 7, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SRGGB14P, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 7, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SBGGR16, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGBRG16, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SGRBG16, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_SRGGB16, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 2, 0, 0, 0 }, .bpp_div = { 1, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+
+ /* Renesas Camera Data Receiver Unit formats, bayer order agnostic */
+ { .format = V4L2_PIX_FMT_RAW_CRU10, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .bpp_div = { 6, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_RAW_CRU12, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .bpp_div = { 5, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_RAW_CRU14, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .bpp_div = { 4, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
+ { .format = V4L2_PIX_FMT_RAW_CRU20, .pixel_enc = V4L2_PIXEL_ENC_BAYER, .mem_planes = 1, .comp_planes = 1, .bpp = { 8, 0, 0, 0 }, .bpp_div = { 3, 1, 1, 1 }, .hdiv = 1, .vdiv = 1 },
};
unsigned int i;
@@ -505,10 +537,10 @@ s64 __v4l2_get_link_freq_ctrl(struct v4l2_ctrl_handler *handler,
freq = div_u64(v4l2_ctrl_g_ctrl_int64(ctrl) * mul, div);
- pr_warn("%s: Link frequency estimated using pixel rate: result might be inaccurate\n",
- __func__);
- pr_warn("%s: Consider implementing support for V4L2_CID_LINK_FREQ in the transmitter driver\n",
- __func__);
+ pr_warn_once("%s: Link frequency estimated using pixel rate: result might be inaccurate\n",
+ __func__);
+ pr_warn_once("%s: Consider implementing support for V4L2_CID_LINK_FREQ in the transmitter driver\n",
+ __func__);
}
return freq > 0 ? freq : -EINVAL;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
index 90d25329661e..98b960775e87 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
@@ -968,12 +968,12 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
p_h264_sps->flags &=
~V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS;
-
- if (p_h264_sps->chroma_format_idc < 3)
- p_h264_sps->flags &=
- ~V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE;
}
+ if (p_h264_sps->chroma_format_idc < 3)
+ p_h264_sps->flags &=
+ ~V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE;
+
if (p_h264_sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY)
p_h264_sps->flags &=
~V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD;
@@ -1631,14 +1631,17 @@ int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
EXPORT_SYMBOL(v4l2_ctrl_handler_init_class);
/* Free all controls and control refs */
-void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
+int v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
{
struct v4l2_ctrl_ref *ref, *next_ref;
struct v4l2_ctrl *ctrl, *next_ctrl;
struct v4l2_subscribed_event *sev, *next_sev;
- if (hdl == NULL || hdl->buckets == NULL)
- return;
+ if (!hdl)
+ return 0;
+
+ if (!hdl->buckets)
+ return hdl->error;
v4l2_ctrl_handler_free_request(hdl);
@@ -1661,9 +1664,10 @@ void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
kvfree(hdl->buckets);
hdl->buckets = NULL;
hdl->cached = NULL;
- hdl->error = 0;
mutex_unlock(hdl->lock);
mutex_destroy(&hdl->_lock);
+
+ return hdl->error;
}
EXPORT_SYMBOL(v4l2_ctrl_handler_free);
diff --git a/drivers/media/v4l2-core/v4l2-i2c.c b/drivers/media/v4l2-core/v4l2-i2c.c
index 586c46544255..ffc64e10fcae 100644
--- a/drivers/media/v4l2-core/v4l2-i2c.c
+++ b/drivers/media/v4l2-core/v4l2-i2c.c
@@ -5,6 +5,7 @@
#include <linux/i2c.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
@@ -24,7 +25,7 @@ void v4l2_i2c_subdev_unregister(struct v4l2_subdev *sd)
* registered by us, and would not be
* re-created by just probing the V4L2 driver.
*/
- if (client && !client->dev.of_node && !client->dev.fwnode)
+ if (client && !dev_fwnode(&client->dev))
i2c_unregister_device(client);
}
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 650dc1956f73..46da373066f4 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1413,6 +1413,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_SGBRG10DPCM8: descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break;
case V4L2_PIX_FMT_SGRBG10DPCM8: descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break;
case V4L2_PIX_FMT_SRGGB10DPCM8: descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break;
+ case V4L2_PIX_FMT_RAW_CRU10: descr = "10-bit Raw CRU Packed"; break;
case V4L2_PIX_FMT_SBGGR12: descr = "12-bit Bayer BGBG/GRGR"; break;
case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break;
case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break;
@@ -1421,6 +1422,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_SGBRG12P: descr = "12-bit Bayer GBGB/RGRG Packed"; break;
case V4L2_PIX_FMT_SGRBG12P: descr = "12-bit Bayer GRGR/BGBG Packed"; break;
case V4L2_PIX_FMT_SRGGB12P: descr = "12-bit Bayer RGRG/GBGB Packed"; break;
+ case V4L2_PIX_FMT_RAW_CRU12: descr = "12-bit Raw CRU Packed"; break;
case V4L2_PIX_FMT_SBGGR14: descr = "14-bit Bayer BGBG/GRGR"; break;
case V4L2_PIX_FMT_SGBRG14: descr = "14-bit Bayer GBGB/RGRG"; break;
case V4L2_PIX_FMT_SGRBG14: descr = "14-bit Bayer GRGR/BGBG"; break;
@@ -1429,10 +1431,12 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_SGBRG14P: descr = "14-bit Bayer GBGB/RGRG Packed"; break;
case V4L2_PIX_FMT_SGRBG14P: descr = "14-bit Bayer GRGR/BGBG Packed"; break;
case V4L2_PIX_FMT_SRGGB14P: descr = "14-bit Bayer RGRG/GBGB Packed"; break;
+ case V4L2_PIX_FMT_RAW_CRU14: descr = "14-bit Raw CRU Packed"; break;
case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR"; break;
case V4L2_PIX_FMT_SGBRG16: descr = "16-bit Bayer GBGB/RGRG"; break;
case V4L2_PIX_FMT_SGRBG16: descr = "16-bit Bayer GRGR/BGBG"; break;
case V4L2_PIX_FMT_SRGGB16: descr = "16-bit Bayer RGRG/GBGB"; break;
+ case V4L2_PIX_FMT_RAW_CRU20: descr = "14-bit Raw CRU Packed"; break;
case V4L2_PIX_FMT_SN9C20X_I420: descr = "GSPCA SN9C20X I420"; break;
case V4L2_PIX_FMT_SPCA501: descr = "GSPCA SPCA501"; break;
case V4L2_PIX_FMT_SPCA505: descr = "GSPCA SPCA505"; break;
@@ -1459,6 +1463,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_META_FMT_VSP1_HGO: descr = "R-Car VSP1 1-D Histogram"; break;
case V4L2_META_FMT_VSP1_HGT: descr = "R-Car VSP1 2-D Histogram"; break;
case V4L2_META_FMT_UVC: descr = "UVC Payload Header Metadata"; break;
+ case V4L2_META_FMT_UVC_MSXU_1_5: descr = "UVC MSXU Metadata"; break;
case V4L2_META_FMT_D4XX: descr = "Intel D4xx UVC Metadata"; break;
case V4L2_META_FMT_VIVID: descr = "Vivid Metadata"; break;
case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A Parameters"; break;
@@ -3245,7 +3250,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
return ret;
}
-static unsigned int video_translate_cmd(unsigned int cmd)
+unsigned int v4l2_translate_cmd(unsigned int cmd)
{
#if !defined(CONFIG_64BIT) && defined(CONFIG_COMPAT_32BIT_TIME)
switch (cmd) {
@@ -3266,6 +3271,7 @@ static unsigned int video_translate_cmd(unsigned int cmd)
return cmd;
}
+EXPORT_SYMBOL_GPL(v4l2_translate_cmd);
static int video_get_user(void __user *arg, void *parg,
unsigned int real_cmd, unsigned int cmd,
@@ -3426,7 +3432,7 @@ video_usercopy(struct file *file, unsigned int orig_cmd, unsigned long arg,
size_t array_size = 0;
void __user *user_ptr = NULL;
void **kernel_ptr = NULL;
- unsigned int cmd = video_translate_cmd(orig_cmd);
+ unsigned int cmd = v4l2_translate_cmd(orig_cmd);
const size_t ioc_size = _IOC_SIZE(cmd);
/* Copy arguments into temp kernel buffer */
diff --git a/drivers/media/v4l2-core/v4l2-jpeg.c b/drivers/media/v4l2-core/v4l2-jpeg.c
index 6e2647323522..36a0f1a1b0d9 100644
--- a/drivers/media/v4l2-core/v4l2-jpeg.c
+++ b/drivers/media/v4l2-core/v4l2-jpeg.c
@@ -711,83 +711,3 @@ int v4l2_jpeg_parse_header(void *buf, size_t len, struct v4l2_jpeg_header *out)
return marker;
}
EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_header);
-
-/**
- * v4l2_jpeg_parse_frame_header - parse frame header
- * @buf: address of the frame header, after the SOF0 marker
- * @len: length of the frame header
- * @frame_header: returns the parsed frame header
- *
- * Returns 0 or negative error if parsing failed.
- */
-int v4l2_jpeg_parse_frame_header(void *buf, size_t len,
- struct v4l2_jpeg_frame_header *frame_header)
-{
- struct jpeg_stream stream;
-
- stream.curr = buf;
- stream.end = stream.curr + len;
- return jpeg_parse_frame_header(&stream, SOF0, frame_header);
-}
-EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_frame_header);
-
-/**
- * v4l2_jpeg_parse_scan_header - parse scan header
- * @buf: address of the scan header, after the SOS marker
- * @len: length of the scan header
- * @scan_header: returns the parsed scan header
- *
- * Returns 0 or negative error if parsing failed.
- */
-int v4l2_jpeg_parse_scan_header(void *buf, size_t len,
- struct v4l2_jpeg_scan_header *scan_header)
-{
- struct jpeg_stream stream;
-
- stream.curr = buf;
- stream.end = stream.curr + len;
- return jpeg_parse_scan_header(&stream, scan_header);
-}
-EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_scan_header);
-
-/**
- * v4l2_jpeg_parse_quantization_tables - parse quantization tables segment
- * @buf: address of the quantization table segment, after the DQT marker
- * @len: length of the quantization table segment
- * @precision: sample precision (P) in bits per component
- * @q_tables: returns four references into the buffer for the
- * four possible quantization table destinations
- *
- * Returns 0 or negative error if parsing failed.
- */
-int v4l2_jpeg_parse_quantization_tables(void *buf, size_t len, u8 precision,
- struct v4l2_jpeg_reference *q_tables)
-{
- struct jpeg_stream stream;
-
- stream.curr = buf;
- stream.end = stream.curr + len;
- return jpeg_parse_quantization_tables(&stream, precision, q_tables);
-}
-EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_quantization_tables);
-
-/**
- * v4l2_jpeg_parse_huffman_tables - parse huffman tables segment
- * @buf: address of the Huffman table segment, after the DHT marker
- * @len: length of the Huffman table segment
- * @huffman_tables: returns four references into the buffer for the
- * four possible Huffman table destinations, in
- * the order DC0, DC1, AC0, AC1
- *
- * Returns 0 or negative error if parsing failed.
- */
-int v4l2_jpeg_parse_huffman_tables(void *buf, size_t len,
- struct v4l2_jpeg_reference *huffman_tables)
-{
- struct jpeg_stream stream;
-
- stream.curr = buf;
- stream.end = stream.curr + len;
- return jpeg_parse_huffman_tables(&stream, huffman_tables);
-}
-EXPORT_SYMBOL_GPL(v4l2_jpeg_parse_huffman_tables);
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index a3074f469b15..4fd25fea3b58 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -1004,6 +1004,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg,
struct v4l2_subdev_route *routes =
(struct v4l2_subdev_route *)(uintptr_t)routing->routes;
struct v4l2_subdev_krouting krouting = {};
+ unsigned int num_active_routes = 0;
unsigned int i;
if (!v4l2_subdev_enable_streams_api)
@@ -1041,9 +1042,22 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg,
if (!(pads[route->source_pad].flags &
MEDIA_PAD_FL_SOURCE))
return -EINVAL;
+
+ if (route->flags & V4L2_SUBDEV_ROUTE_FL_ACTIVE)
+ num_active_routes++;
}
/*
+ * Drivers that implement routing need to report a frame
+ * descriptor accordingly, with up to one entry per route. Until
+ * the frame descriptors entries get allocated dynamically,
+ * limit the number of active routes to
+ * V4L2_FRAME_DESC_ENTRY_MAX.
+ */
+ if (num_active_routes > V4L2_FRAME_DESC_ENTRY_MAX)
+ return -E2BIG;
+
+ /*
* If the driver doesn't support setting routing, just return
* the routing table.
*/
@@ -2219,6 +2233,9 @@ static void v4l2_subdev_collect_streams(struct v4l2_subdev *sd,
*found_streams = BIT_ULL(0);
*enabled_streams =
(sd->enabled_pads & BIT_ULL(pad)) ? BIT_ULL(0) : 0;
+ dev_dbg(sd->dev,
+ "collect_streams: sub-device \"%s\" does not support streams\n",
+ sd->entity.name);
return;
}
@@ -2236,6 +2253,10 @@ static void v4l2_subdev_collect_streams(struct v4l2_subdev *sd,
if (cfg->enabled)
*enabled_streams |= BIT_ULL(cfg->stream);
}
+
+ dev_dbg(sd->dev,
+ "collect_streams: \"%s\":%u: found %#llx enabled %#llx\n",
+ sd->entity.name, pad, *found_streams, *enabled_streams);
}
static void v4l2_subdev_set_streams_enabled(struct v4l2_subdev *sd,
@@ -2271,6 +2292,9 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
bool use_s_stream;
int ret;
+ dev_dbg(dev, "enable streams \"%s\":%u/%#llx\n", sd->entity.name, pad,
+ streams_mask);
+
/* A few basic sanity checks first. */
if (pad >= sd->entity.num_pads)
return -EINVAL;
@@ -2318,8 +2342,6 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
goto done;
}
- dev_dbg(dev, "enable streams %u:%#llx\n", pad, streams_mask);
-
already_streaming = v4l2_subdev_is_streaming(sd);
if (!use_s_stream) {
@@ -2371,6 +2393,9 @@ int v4l2_subdev_disable_streams(struct v4l2_subdev *sd, u32 pad,
bool use_s_stream;
int ret;
+ dev_dbg(dev, "disable streams \"%s\":%u/%#llx\n", sd->entity.name, pad,
+ streams_mask);
+
/* A few basic sanity checks first. */
if (pad >= sd->entity.num_pads)
return -EINVAL;
@@ -2418,8 +2443,6 @@ int v4l2_subdev_disable_streams(struct v4l2_subdev *sd, u32 pad,
goto done;
}
- dev_dbg(dev, "disable streams %u:%#llx\n", pad, streams_mask);
-
if (!use_s_stream) {
/* Call the .disable_streams() operation. */
ret = v4l2_subdev_call(sd, pad, disable_streams, state, pad,
generated by cgit (git 2.34.1) at 2025-08-01 00:34:12 +0000