diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2007-03-25 11:38:21 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-04-27 15:45:07 -0300 |
| commit | 585553ecedabf434e5cdc59d05bf64596ceab7bc (patch) | |
| tree | c78b3bdf64908c72808cf033c8aab582bac003d2 /drivers/media/video/ov7670.c | |
| parent | 77d5140fe78ca628bfc9d2567c35457481f9c63d (diff) | |
V4L/DVB (5469): Add raw bayer support to the ov7670 driver
Add raw bayer support to the ov7670 driver
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/ov7670.c')
| -rw-r--r-- | drivers/media/video/ov7670.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c index 639fc2367832..03bc369a9e49 100644 --- a/drivers/media/video/ov7670.c +++ b/drivers/media/video/ov7670.c @@ -165,6 +165,10 @@ MODULE_LICENSE("GPL"); #define REG_GFIX 0x69 /* Fix gain control */ +#define REG_REG76 0x76 /* OV's name */ +#define R76_BLKPCOR 0x80 /* Black pixel correction enable */ +#define R76_WHTPCOR 0x40 /* White pixel correction enable */ + #define REG_RGB444 0x8c /* RGB 444 control */ #define R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ #define R444_RGBX 0x01 /* Empty nibble at end */ @@ -383,6 +387,13 @@ static struct regval_list ov7670_fmt_rgb444[] = { { 0xff, 0xff }, }; +static struct regval_list ov7670_fmt_raw[] = { + { REG_COM7, COM7_BAYER }, + { REG_COM13, 0x08 }, /* No gamma, magic rsvd bit */ + { REG_COM16, 0x3d }, /* Edge enhancement, denoise */ + { REG_REG76, 0xe1 }, /* Pix correction, magic rsvd */ + { 0xff, 0xff }, +}; @@ -486,32 +497,39 @@ static struct ov7670_format_struct { __u32 pixelformat; struct regval_list *regs; int cmatrix[CMATRIX_LEN]; + int bpp; /* Bytes per pixel */ } ov7670_formats[] = { { .desc = "YUYV 4:2:2", .pixelformat = V4L2_PIX_FMT_YUYV, .regs = ov7670_fmt_yuv422, .cmatrix = { 128, -128, 0, -34, -94, 128 }, + .bpp = 2, }, { .desc = "RGB 444", .pixelformat = V4L2_PIX_FMT_RGB444, .regs = ov7670_fmt_rgb444, .cmatrix = { 179, -179, 0, -61, -176, 228 }, + .bpp = 2, }, { .desc = "RGB 565", .pixelformat = V4L2_PIX_FMT_RGB565, .regs = ov7670_fmt_rgb565, .cmatrix = { 179, -179, 0, -61, -176, 228 }, + .bpp = 2, + }, + { + .desc = "Raw RGB Bayer", + .pixelformat = V4L2_PIX_FMT_SBGGR8, + .regs = ov7670_fmt_raw, + .cmatrix = { 0, 0, 0, 0, 0, 0 }, + .bpp = 1 }, }; -#define N_OV7670_FMTS (sizeof(ov7670_formats)/sizeof(ov7670_formats[0])) +#define N_OV7670_FMTS ARRAY_SIZE(ov7670_formats) -/* - * All formats we support are 2 bytes/pixel. - */ -#define BYTES_PER_PIXEL 2 /* * Then there is the issue of window sizes. Try to capture the info here. @@ -688,7 +706,7 @@ static int ov7670_try_fmt(struct i2c_client *c, struct v4l2_format *fmt, */ pix->width = wsize->width; pix->height = wsize->height; - pix->bytesperline = pix->width*BYTES_PER_PIXEL; + pix->bytesperline = pix->width*ov7670_formats[index].bpp; pix->sizeimage = pix->height*pix->bytesperline; return 0; } |