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-rw-r--r--linux/include/linux/videodev2.h37
-rw-r--r--linux/include/media/v4l2-chip-ident.h60
-rw-r--r--linux/include/media/v4l2-common.h45
-rw-r--r--linux/include/media/v4l2-dev.h2
4 files changed, 100 insertions, 44 deletions
diff --git a/linux/include/linux/videodev2.h b/linux/include/linux/videodev2.h
index 769b37bd3..8a5aabb84 100644
--- a/linux/include/linux/videodev2.h
+++ b/linux/include/linux/videodev2.h
@@ -145,7 +145,10 @@ enum v4l2_buf_type {
V4L2_BUF_TYPE_VBI_OUTPUT = 5,
V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
+#if 1 /*KEEP*/
+ /* Experimental */
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
+#endif
V4L2_BUF_TYPE_PRIVATE = 0x80,
};
@@ -264,8 +267,8 @@ struct v4l2_pix_format
__u32 sizeimage;
enum v4l2_colorspace colorspace;
__u32 priv; /* private data, depends on pixelformat */
- __u32 x; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */
- __u32 y; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */
+ __u32 left; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */
+ __u32 top; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */
};
/* Pixel format FOURCC depth Description */
@@ -1378,13 +1381,30 @@ struct v4l2_streamparm
/*
* A D V A N C E D D E B U G G I N G
+ *
+ * NOTE: EXPERIMENTAL API
*/
/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
+
+#define V4L2_CHIP_MATCH_ALWAYS 0 /* Match always (match_chip is not used) */
+#define V4L2_CHIP_MATCH_HOST 1 /* Match against chip ID on host (0 for the host) */
+#define V4L2_CHIP_MATCH_I2C_DRIVER 2 /* Match against I2C driver ID */
+#define V4L2_CHIP_MATCH_I2C_ADDR 3 /* Match against I2C 7-bit address */
+
struct v4l2_register {
+ __u32 match_type; /* Match type */
+ __u32 match_chip; /* Match this chip, meaning determined by match_type */
__u64 reg;
- __u32 i2c_id; /* I2C driver ID of the I2C chip, or 0 for the host */
- __u32 val;
+ __u64 val;
+};
+
+/* VIDIOC_G_CHIP_IDENT */
+struct v4l2_chip_ident {
+ __u32 match_type; /* Match type */
+ __u32 match_chip; /* Match this chip, meaning determined by match_type */
+ __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */
+ __u32 revision; /* chip revision, chip specific */
};
/*
@@ -1456,10 +1476,13 @@ struct v4l2_register {
#define VIDIOC_G_ENC_INDEX _IOR ('V', 76, struct v4l2_enc_idx)
#define VIDIOC_ENCODER_CMD _IOWR ('V', 77, struct v4l2_encoder_cmd)
#define VIDIOC_TRY_ENCODER_CMD _IOWR ('V', 78, struct v4l2_encoder_cmd)
+
+/* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
+#define VIDIOC_DBG_S_REGISTER _IOW ('V', 79, struct v4l2_register)
+#define VIDIOC_DBG_G_REGISTER _IOWR ('V', 80, struct v4l2_register)
+
+#define VIDIOC_G_CHIP_IDENT _IOWR ('V', 81, struct v4l2_chip_ident)
#endif
-/* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
-#define VIDIOC_DBG_S_REGISTER _IOW ('d', 100, struct v4l2_register)
-#define VIDIOC_DBG_G_REGISTER _IOWR('d', 101, struct v4l2_register)
#ifdef __OLD_VIDIOC_
/* for compatibility, will go away some day */
diff --git a/linux/include/media/v4l2-chip-ident.h b/linux/include/media/v4l2-chip-ident.h
new file mode 100644
index 000000000..67a34d528
--- /dev/null
+++ b/linux/include/media/v4l2-chip-ident.h
@@ -0,0 +1,60 @@
+/*
+ v4l2 chip identifiers header
+
+ This header provides a list of chip identifiers that can be returned
+ through the VIDIOC_G_CHIP_IDENT ioctl.
+
+ Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef V4L2_CHIP_IDENT_H_
+#define V4L2_CHIP_IDENT_H_
+
+/* VIDIOC_G_CHIP_IDENT: identifies the actual chip installed on the board */
+enum {
+ /* general idents: reserved range 0-49 */
+ V4L2_IDENT_UNKNOWN = 0,
+
+ /* module saa7110: just ident= 100 */
+ V4L2_IDENT_SAA7110 = 100,
+
+ /* module saa7111: just ident= 101 */
+ V4L2_IDENT_SAA7111 = 101,
+
+ /* module saa7115: reserved range 102-149 */
+ V4L2_IDENT_SAA7113 = 103,
+ V4L2_IDENT_SAA7114 = 104,
+ V4L2_IDENT_SAA7115 = 105,
+ V4L2_IDENT_SAA7118 = 108,
+
+ /* module saa7127: reserved range 150-199 */
+ V4L2_IDENT_SAA7127 = 157,
+ V4L2_IDENT_SAA7129 = 159,
+
+ /* module cx25840: reserved range 200-249 */
+ V4L2_IDENT_CX25836 = 236,
+ V4L2_IDENT_CX25837 = 237,
+ V4L2_IDENT_CX25840 = 240,
+ V4L2_IDENT_CX25841 = 241,
+ V4L2_IDENT_CX25842 = 242,
+ V4L2_IDENT_CX25843 = 243,
+
+ /* OmniVision sensors - range 250-299 */
+ V4L2_IDENT_OV7670 = 250,
+};
+
+#endif
diff --git a/linux/include/media/v4l2-common.h b/linux/include/media/v4l2-common.h
index 08a002966..cc2ab055a 100644
--- a/linux/include/media/v4l2-common.h
+++ b/linux/include/media/v4l2-common.h
@@ -100,6 +100,14 @@ u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
/* ------------------------------------------------------------------------- */
+/* Register/chip ident helper function */
+
+struct i2c_client; /* forward reference */
+int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 id_type, u32 chip_id);
+int v4l2_chip_match_host(u32 id_type, u32 chip_id);
+
+/* ------------------------------------------------------------------------- */
+
/* Internal ioctls */
/* VIDIOC_INT_DECODE_VBI_LINE */
@@ -112,39 +120,6 @@ struct v4l2_decode_vbi_line {
u32 type; /* VBI service type (V4L2_SLICED_*). 0 if no service found */
};
-/* VIDIOC_INT_G_CHIP_IDENT: identifies the actual chip installed on the board */
-enum v4l2_chip_ident {
- /* general idents: reserved range 0-49 */
- V4L2_IDENT_UNKNOWN = 0,
-
- /* module saa7110: just ident= 100 */
- V4L2_IDENT_SAA7110 = 100,
-
- /* module saa7111: just ident= 101 */
- V4L2_IDENT_SAA7111 = 101,
-
- /* module saa7115: reserved range 102-149 */
- V4L2_IDENT_SAA7113 = 103,
- V4L2_IDENT_SAA7114 = 104,
- V4L2_IDENT_SAA7115 = 105,
- V4L2_IDENT_SAA7118 = 108,
-
- /* module saa7127: reserved range 150-199 */
- V4L2_IDENT_SAA7127 = 157,
- V4L2_IDENT_SAA7129 = 159,
-
- /* module cx25840: reserved range 200-249 */
- V4L2_IDENT_CX25836 = 236,
- V4L2_IDENT_CX25837 = 237,
- V4L2_IDENT_CX25840 = 240,
- V4L2_IDENT_CX25841 = 241,
- V4L2_IDENT_CX25842 = 242,
- V4L2_IDENT_CX25843 = 243,
-
- /* OmniVision sensors - range 250-299 */
- V4L2_IDENT_OV7670 = 250,
-};
-
/* audio ioctls */
/* v4l device was opened in Radio mode, to be replaced by VIDIOC_INT_S_TUNER_MODE */
@@ -206,10 +181,6 @@ enum v4l2_chip_ident {
whether CC data from the first or second field should be obtained). */
#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data)
-/* Returns the chip identifier or V4L2_IDENT_UNKNOWN if no identification can
- be made. */
-#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident)
-
/* Sets I2S speed in bps. This is used to provide a standard way to select I2S
clock used by driving digital audio streams at some board designs.
Usual values for the frequency are 1024000 and 2048000.
diff --git a/linux/include/media/v4l2-dev.h b/linux/include/media/v4l2-dev.h
index f3c230f3c..c24d96af7 100644
--- a/linux/include/media/v4l2-dev.h
+++ b/linux/include/media/v4l2-dev.h
@@ -329,6 +329,8 @@ struct video_device
int (*vidioc_s_register) (struct file *file, void *fh,
struct v4l2_register *reg);
#endif
+ int (*vidioc_g_chip_ident) (struct file *file, void *fh,
+ struct v4l2_chip_ident *chip);
#if 0 /* old, obsolete interface */
int (*open)(struct video_device *, int mode);
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-28 13:24:28 +0000