From 6ba8b8d45335180523df8f1b6cd1c995a3dbf560 Mon Sep 17 00:00:00 2001 From: Michael Grzeschik Date: Sat, 10 Sep 2022 00:13:32 +0200 Subject: media: v4l: move helper functions for fractions from uvc to v4l2-common The functions uvc_simplify_fraction and uvc_fraction_to_interval are generic helpers which are also useful for other v4l2 drivers. This patch moves them to v4l2-common. Tested-by: Daniel Scally Reviewed-by: Daniel Scally Signed-off-by: Michael Grzeschik Link: https://lore.kernel.org/r/20220909221335.15033-2-m.grzeschik@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- include/media/v4l2-common.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/media') diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index b708d63995f4..725ff91b26e0 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -540,6 +540,10 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, unsigned int mul, unsigned int div); +void v4l2_simplify_fraction(u32 *numerator, u32 *denominator, + unsigned int n_terms, unsigned int threshold); +u32 v4l2_fraction_to_interval(u32 numerator, u32 denominator); + static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf) { /* -- cgit v1.2.3 From 6b028df7d466a5f7c0263a46256c9bdc42debd9f Mon Sep 17 00:00:00 2001 From: Michael Grzeschik Date: Sat, 10 Sep 2022 00:13:33 +0200 Subject: media: uvcvideo: move uvc_format_desc to common header The uvc_format_desc, GUID defines and the uvc_format_by_guid helper is also useful for the uvc gadget stack. This patch moves them to a common header. Tested-by: Daniel Scally Reviewed-by: Daniel Scally Signed-off-by: Michael Grzeschik Link: https://lore.kernel.org/r/20220909221335.15033-3-m.grzeschik@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- drivers/media/usb/uvc/uvc_ctrl.c | 1 + drivers/media/usb/uvc/uvc_driver.c | 206 +-------------------- drivers/media/usb/uvc/uvcvideo.h | 144 --------------- include/media/v4l2-uvc.h | 359 +++++++++++++++++++++++++++++++++++++ 4 files changed, 361 insertions(+), 349 deletions(-) create mode 100644 include/media/v4l2-uvc.h (limited to 'include/media') diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 8c208db9600b..b8a00a51679f 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "uvcvideo.h" diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 0f14dee4b6d7..2891bc9d3192 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -20,6 +20,7 @@ #include #include +#include #include "uvcvideo.h" @@ -34,198 +35,6 @@ static unsigned int uvc_quirks_param = -1; unsigned int uvc_dbg_param; unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT; -/* ------------------------------------------------------------------------ - * Video formats - */ - -static struct uvc_format_desc uvc_fmts[] = { - { - .name = "YUV 4:2:2 (YUYV)", - .guid = UVC_GUID_FORMAT_YUY2, - .fcc = V4L2_PIX_FMT_YUYV, - }, - { - .name = "YUV 4:2:2 (YUYV)", - .guid = UVC_GUID_FORMAT_YUY2_ISIGHT, - .fcc = V4L2_PIX_FMT_YUYV, - }, - { - .name = "YUV 4:2:0 (NV12)", - .guid = UVC_GUID_FORMAT_NV12, - .fcc = V4L2_PIX_FMT_NV12, - }, - { - .name = "MJPEG", - .guid = UVC_GUID_FORMAT_MJPEG, - .fcc = V4L2_PIX_FMT_MJPEG, - }, - { - .name = "YVU 4:2:0 (YV12)", - .guid = UVC_GUID_FORMAT_YV12, - .fcc = V4L2_PIX_FMT_YVU420, - }, - { - .name = "YUV 4:2:0 (I420)", - .guid = UVC_GUID_FORMAT_I420, - .fcc = V4L2_PIX_FMT_YUV420, - }, - { - .name = "YUV 4:2:0 (M420)", - .guid = UVC_GUID_FORMAT_M420, - .fcc = V4L2_PIX_FMT_M420, - }, - { - .name = "YUV 4:2:2 (UYVY)", - .guid = UVC_GUID_FORMAT_UYVY, - .fcc = V4L2_PIX_FMT_UYVY, - }, - { - .name = "Greyscale 8-bit (Y800)", - .guid = UVC_GUID_FORMAT_Y800, - .fcc = V4L2_PIX_FMT_GREY, - }, - { - .name = "Greyscale 8-bit (Y8 )", - .guid = UVC_GUID_FORMAT_Y8, - .fcc = V4L2_PIX_FMT_GREY, - }, - { - .name = "Greyscale 8-bit (D3DFMT_L8)", - .guid = UVC_GUID_FORMAT_D3DFMT_L8, - .fcc = V4L2_PIX_FMT_GREY, - }, - { - .name = "IR 8-bit (L8_IR)", - .guid = UVC_GUID_FORMAT_KSMEDIA_L8_IR, - .fcc = V4L2_PIX_FMT_GREY, - }, - { - .name = "Greyscale 10-bit (Y10 )", - .guid = UVC_GUID_FORMAT_Y10, - .fcc = V4L2_PIX_FMT_Y10, - }, - { - .name = "Greyscale 12-bit (Y12 )", - .guid = UVC_GUID_FORMAT_Y12, - .fcc = V4L2_PIX_FMT_Y12, - }, - { - .name = "Greyscale 16-bit (Y16 )", - .guid = UVC_GUID_FORMAT_Y16, - .fcc = V4L2_PIX_FMT_Y16, - }, - { - .name = "BGGR Bayer (BY8 )", - .guid = UVC_GUID_FORMAT_BY8, - .fcc = V4L2_PIX_FMT_SBGGR8, - }, - { - .name = "BGGR Bayer (BA81)", - .guid = UVC_GUID_FORMAT_BA81, - .fcc = V4L2_PIX_FMT_SBGGR8, - }, - { - .name = "GBRG Bayer (GBRG)", - .guid = UVC_GUID_FORMAT_GBRG, - .fcc = V4L2_PIX_FMT_SGBRG8, - }, - { - .name = "GRBG Bayer (GRBG)", - .guid = UVC_GUID_FORMAT_GRBG, - .fcc = V4L2_PIX_FMT_SGRBG8, - }, - { - .name = "RGGB Bayer (RGGB)", - .guid = UVC_GUID_FORMAT_RGGB, - .fcc = V4L2_PIX_FMT_SRGGB8, - }, - { - .name = "RGB565", - .guid = UVC_GUID_FORMAT_RGBP, - .fcc = V4L2_PIX_FMT_RGB565, - }, - { - .name = "BGR 8:8:8 (BGR3)", - .guid = UVC_GUID_FORMAT_BGR3, - .fcc = V4L2_PIX_FMT_BGR24, - }, - { - .name = "H.264", - .guid = UVC_GUID_FORMAT_H264, - .fcc = V4L2_PIX_FMT_H264, - }, - { - .name = "H.265", - .guid = UVC_GUID_FORMAT_H265, - .fcc = V4L2_PIX_FMT_HEVC, - }, - { - .name = "Greyscale 8 L/R (Y8I)", - .guid = UVC_GUID_FORMAT_Y8I, - .fcc = V4L2_PIX_FMT_Y8I, - }, - { - .name = "Greyscale 12 L/R (Y12I)", - .guid = UVC_GUID_FORMAT_Y12I, - .fcc = V4L2_PIX_FMT_Y12I, - }, - { - .name = "Depth data 16-bit (Z16)", - .guid = UVC_GUID_FORMAT_Z16, - .fcc = V4L2_PIX_FMT_Z16, - }, - { - .name = "Bayer 10-bit (SRGGB10P)", - .guid = UVC_GUID_FORMAT_RW10, - .fcc = V4L2_PIX_FMT_SRGGB10P, - }, - { - .name = "Bayer 16-bit (SBGGR16)", - .guid = UVC_GUID_FORMAT_BG16, - .fcc = V4L2_PIX_FMT_SBGGR16, - }, - { - .name = "Bayer 16-bit (SGBRG16)", - .guid = UVC_GUID_FORMAT_GB16, - .fcc = V4L2_PIX_FMT_SGBRG16, - }, - { - .name = "Bayer 16-bit (SRGGB16)", - .guid = UVC_GUID_FORMAT_RG16, - .fcc = V4L2_PIX_FMT_SRGGB16, - }, - { - .name = "Bayer 16-bit (SGRBG16)", - .guid = UVC_GUID_FORMAT_GR16, - .fcc = V4L2_PIX_FMT_SGRBG16, - }, - { - .name = "Depth data 16-bit (Z16)", - .guid = UVC_GUID_FORMAT_INVZ, - .fcc = V4L2_PIX_FMT_Z16, - }, - { - .name = "Greyscale 10-bit (Y10 )", - .guid = UVC_GUID_FORMAT_INVI, - .fcc = V4L2_PIX_FMT_Y10, - }, - { - .name = "IR:Depth 26-bit (INZI)", - .guid = UVC_GUID_FORMAT_INZI, - .fcc = V4L2_PIX_FMT_INZI, - }, - { - .name = "4-bit Depth Confidence (Packed)", - .guid = UVC_GUID_FORMAT_CNF4, - .fcc = V4L2_PIX_FMT_CNF4, - }, - { - .name = "HEVC", - .guid = UVC_GUID_FORMAT_HEVC, - .fcc = V4L2_PIX_FMT_HEVC, - }, -}; - /* ------------------------------------------------------------------------ * Utility functions */ @@ -245,19 +54,6 @@ struct usb_host_endpoint *uvc_find_endpoint(struct usb_host_interface *alts, return NULL; } -static struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16]) -{ - unsigned int len = ARRAY_SIZE(uvc_fmts); - unsigned int i; - - for (i = 0; i < len; ++i) { - if (memcmp(guid, uvc_fmts[i].guid, 16) == 0) - return &uvc_fmts[i]; - } - - return NULL; -} - static enum v4l2_colorspace uvc_colorspace(const u8 primaries) { static const enum v4l2_colorspace colorprimaries[] = { diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index ff710bdd38b3..df93db259312 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -41,144 +41,6 @@ #define UVC_EXT_GPIO_UNIT 0x7ffe #define UVC_EXT_GPIO_UNIT_ID 0x100 -/* ------------------------------------------------------------------------ - * GUIDs - */ -#define UVC_GUID_UVC_CAMERA \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01} -#define UVC_GUID_UVC_OUTPUT \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02} -#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03} -#define UVC_GUID_UVC_PROCESSING \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01} -#define UVC_GUID_UVC_SELECTOR \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02} -#define UVC_GUID_EXT_GPIO_CONTROLLER \ - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03} - -#define UVC_GUID_FORMAT_MJPEG \ - { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_YUY2 \ - { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_YUY2_ISIGHT \ - { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_NV12 \ - { 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_YV12 \ - { 'Y', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_I420 \ - { 'I', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_UYVY \ - { 'U', 'Y', 'V', 'Y', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y800 \ - { 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y8 \ - { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y10 \ - { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y12 \ - { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y16 \ - { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_BY8 \ - { 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_BA81 \ - { 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_GBRG \ - { 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_GRBG \ - { 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_RGGB \ - { 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_BG16 \ - { 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_GB16 \ - { 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_RG16 \ - { 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_GR16 \ - { 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_RGBP \ - { 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_BGR3 \ - { 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \ - 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70} -#define UVC_GUID_FORMAT_M420 \ - { 'M', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} - -#define UVC_GUID_FORMAT_H264 \ - { 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_H265 \ - { 'H', '2', '6', '5', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y8I \ - { 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Y12I \ - { 'Y', '1', '2', 'I', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_Z16 \ - { 'Z', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_RW10 \ - { 'R', 'W', '1', '0', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_INVZ \ - { 'I', 'N', 'V', 'Z', 0x90, 0x2d, 0x58, 0x4a, \ - 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b} -#define UVC_GUID_FORMAT_INZI \ - { 'I', 'N', 'Z', 'I', 0x66, 0x1a, 0x42, 0xa2, \ - 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a} -#define UVC_GUID_FORMAT_INVI \ - { 'I', 'N', 'V', 'I', 0xdb, 0x57, 0x49, 0x5e, \ - 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f} -#define UVC_GUID_FORMAT_CNF4 \ - { 'C', ' ', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} - -#define UVC_GUID_FORMAT_D3DFMT_L8 \ - {0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} -#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \ - {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} - -#define UVC_GUID_FORMAT_HEVC \ - { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \ - 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} - - /* ------------------------------------------------------------------------ * Driver specific constants. */ @@ -283,12 +145,6 @@ struct uvc_control { struct uvc_fh *handle; /* File handle that last changed the control. */ }; -struct uvc_format_desc { - char *name; - u8 guid[16]; - u32 fcc; -}; - /* * The term 'entity' refers to both UVC units and UVC terminals. * diff --git a/include/media/v4l2-uvc.h b/include/media/v4l2-uvc.h new file mode 100644 index 000000000000..f83e31661333 --- /dev/null +++ b/include/media/v4l2-uvc.h @@ -0,0 +1,359 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * v4l2 uvc internal API header + * + * Some commonly needed functions for uvc drivers + */ + +#ifndef __LINUX_V4L2_UVC_H +#define __LINUX_V4L2_UVC_H + +/* ------------------------------------------------------------------------ + * GUIDs + */ +#define UVC_GUID_UVC_CAMERA \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01} +#define UVC_GUID_UVC_OUTPUT \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02} +#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03} +#define UVC_GUID_UVC_PROCESSING \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01} +#define UVC_GUID_UVC_SELECTOR \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02} +#define UVC_GUID_EXT_GPIO_CONTROLLER \ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03} + +#define UVC_GUID_FORMAT_MJPEG \ + { 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YUY2 \ + { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YUY2_ISIGHT \ + { 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_NV12 \ + { 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_YV12 \ + { 'Y', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_I420 \ + { 'I', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_UYVY \ + { 'U', 'Y', 'V', 'Y', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y800 \ + { 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y8 \ + { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y10 \ + { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y12 \ + { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y16 \ + { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BY8 \ + { 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BA81 \ + { 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GBRG \ + { 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GRBG \ + { 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RGGB \ + { 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BG16 \ + { 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GB16 \ + { 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RG16 \ + { 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_GR16 \ + { 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RGBP \ + { 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_BGR3 \ + { 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \ + 0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70} +#define UVC_GUID_FORMAT_M420 \ + { 'M', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_H264 \ + { 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_H265 \ + { 'H', '2', '6', '5', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y8I \ + { 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Y12I \ + { 'Y', '1', '2', 'I', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_Z16 \ + { 'Z', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_RW10 \ + { 'R', 'W', '1', '0', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_INVZ \ + { 'I', 'N', 'V', 'Z', 0x90, 0x2d, 0x58, 0x4a, \ + 0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b} +#define UVC_GUID_FORMAT_INZI \ + { 'I', 'N', 'Z', 'I', 0x66, 0x1a, 0x42, 0xa2, \ + 0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a} +#define UVC_GUID_FORMAT_INVI \ + { 'I', 'N', 'V', 'I', 0xdb, 0x57, 0x49, 0x5e, \ + 0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f} +#define UVC_GUID_FORMAT_CNF4 \ + { 'C', ' ', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_D3DFMT_L8 \ + {0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \ + {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +#define UVC_GUID_FORMAT_HEVC \ + { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} + +/* ------------------------------------------------------------------------ + * Video formats + */ + +struct uvc_format_desc { + char *name; + u8 guid[16]; + u32 fcc; +}; + +static struct uvc_format_desc uvc_fmts[] = { + { + .name = "YUV 4:2:2 (YUYV)", + .guid = UVC_GUID_FORMAT_YUY2, + .fcc = V4L2_PIX_FMT_YUYV, + }, + { + .name = "YUV 4:2:2 (YUYV)", + .guid = UVC_GUID_FORMAT_YUY2_ISIGHT, + .fcc = V4L2_PIX_FMT_YUYV, + }, + { + .name = "YUV 4:2:0 (NV12)", + .guid = UVC_GUID_FORMAT_NV12, + .fcc = V4L2_PIX_FMT_NV12, + }, + { + .name = "MJPEG", + .guid = UVC_GUID_FORMAT_MJPEG, + .fcc = V4L2_PIX_FMT_MJPEG, + }, + { + .name = "YVU 4:2:0 (YV12)", + .guid = UVC_GUID_FORMAT_YV12, + .fcc = V4L2_PIX_FMT_YVU420, + }, + { + .name = "YUV 4:2:0 (I420)", + .guid = UVC_GUID_FORMAT_I420, + .fcc = V4L2_PIX_FMT_YUV420, + }, + { + .name = "YUV 4:2:0 (M420)", + .guid = UVC_GUID_FORMAT_M420, + .fcc = V4L2_PIX_FMT_M420, + }, + { + .name = "YUV 4:2:2 (UYVY)", + .guid = UVC_GUID_FORMAT_UYVY, + .fcc = V4L2_PIX_FMT_UYVY, + }, + { + .name = "Greyscale 8-bit (Y800)", + .guid = UVC_GUID_FORMAT_Y800, + .fcc = V4L2_PIX_FMT_GREY, + }, + { + .name = "Greyscale 8-bit (Y8 )", + .guid = UVC_GUID_FORMAT_Y8, + .fcc = V4L2_PIX_FMT_GREY, + }, + { + .name = "Greyscale 8-bit (D3DFMT_L8)", + .guid = UVC_GUID_FORMAT_D3DFMT_L8, + .fcc = V4L2_PIX_FMT_GREY, + }, + { + .name = "IR 8-bit (L8_IR)", + .guid = UVC_GUID_FORMAT_KSMEDIA_L8_IR, + .fcc = V4L2_PIX_FMT_GREY, + }, + { + .name = "Greyscale 10-bit (Y10 )", + .guid = UVC_GUID_FORMAT_Y10, + .fcc = V4L2_PIX_FMT_Y10, + }, + { + .name = "Greyscale 12-bit (Y12 )", + .guid = UVC_GUID_FORMAT_Y12, + .fcc = V4L2_PIX_FMT_Y12, + }, + { + .name = "Greyscale 16-bit (Y16 )", + .guid = UVC_GUID_FORMAT_Y16, + .fcc = V4L2_PIX_FMT_Y16, + }, + { + .name = "BGGR Bayer (BY8 )", + .guid = UVC_GUID_FORMAT_BY8, + .fcc = V4L2_PIX_FMT_SBGGR8, + }, + { + .name = "BGGR Bayer (BA81)", + .guid = UVC_GUID_FORMAT_BA81, + .fcc = V4L2_PIX_FMT_SBGGR8, + }, + { + .name = "GBRG Bayer (GBRG)", + .guid = UVC_GUID_FORMAT_GBRG, + .fcc = V4L2_PIX_FMT_SGBRG8, + }, + { + .name = "GRBG Bayer (GRBG)", + .guid = UVC_GUID_FORMAT_GRBG, + .fcc = V4L2_PIX_FMT_SGRBG8, + }, + { + .name = "RGGB Bayer (RGGB)", + .guid = UVC_GUID_FORMAT_RGGB, + .fcc = V4L2_PIX_FMT_SRGGB8, + }, + { + .name = "RGB565", + .guid = UVC_GUID_FORMAT_RGBP, + .fcc = V4L2_PIX_FMT_RGB565, + }, + { + .name = "BGR 8:8:8 (BGR3)", + .guid = UVC_GUID_FORMAT_BGR3, + .fcc = V4L2_PIX_FMT_BGR24, + }, + { + .name = "H.264", + .guid = UVC_GUID_FORMAT_H264, + .fcc = V4L2_PIX_FMT_H264, + }, + { + .name = "H.265", + .guid = UVC_GUID_FORMAT_H265, + .fcc = V4L2_PIX_FMT_HEVC, + }, + { + .name = "Greyscale 8 L/R (Y8I)", + .guid = UVC_GUID_FORMAT_Y8I, + .fcc = V4L2_PIX_FMT_Y8I, + }, + { + .name = "Greyscale 12 L/R (Y12I)", + .guid = UVC_GUID_FORMAT_Y12I, + .fcc = V4L2_PIX_FMT_Y12I, + }, + { + .name = "Depth data 16-bit (Z16)", + .guid = UVC_GUID_FORMAT_Z16, + .fcc = V4L2_PIX_FMT_Z16, + }, + { + .name = "Bayer 10-bit (SRGGB10P)", + .guid = UVC_GUID_FORMAT_RW10, + .fcc = V4L2_PIX_FMT_SRGGB10P, + }, + { + .name = "Bayer 16-bit (SBGGR16)", + .guid = UVC_GUID_FORMAT_BG16, + .fcc = V4L2_PIX_FMT_SBGGR16, + }, + { + .name = "Bayer 16-bit (SGBRG16)", + .guid = UVC_GUID_FORMAT_GB16, + .fcc = V4L2_PIX_FMT_SGBRG16, + }, + { + .name = "Bayer 16-bit (SRGGB16)", + .guid = UVC_GUID_FORMAT_RG16, + .fcc = V4L2_PIX_FMT_SRGGB16, + }, + { + .name = "Bayer 16-bit (SGRBG16)", + .guid = UVC_GUID_FORMAT_GR16, + .fcc = V4L2_PIX_FMT_SGRBG16, + }, + { + .name = "Depth data 16-bit (Z16)", + .guid = UVC_GUID_FORMAT_INVZ, + .fcc = V4L2_PIX_FMT_Z16, + }, + { + .name = "Greyscale 10-bit (Y10 )", + .guid = UVC_GUID_FORMAT_INVI, + .fcc = V4L2_PIX_FMT_Y10, + }, + { + .name = "IR:Depth 26-bit (INZI)", + .guid = UVC_GUID_FORMAT_INZI, + .fcc = V4L2_PIX_FMT_INZI, + }, + { + .name = "4-bit Depth Confidence (Packed)", + .guid = UVC_GUID_FORMAT_CNF4, + .fcc = V4L2_PIX_FMT_CNF4, + }, + { + .name = "HEVC", + .guid = UVC_GUID_FORMAT_HEVC, + .fcc = V4L2_PIX_FMT_HEVC, + }, +}; + +static inline struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16]) +{ + unsigned int len = ARRAY_SIZE(uvc_fmts); + unsigned int i; + + for (i = 0; i < len; ++i) { + if (memcmp(guid, uvc_fmts[i].guid, 16) == 0) + return &uvc_fmts[i]; + } + + return NULL; +} + +#endif /* __LINUX_V4L2_UVC_H */ -- cgit v1.2.3