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V4L/DVB (10667): ov772x: setting method to register is changed.

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Color format regs array had been used, but it was not easy to understand
what to want to do, and additional bit became complex.
This patch modify this problem.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto 2009-02-23 12:12:58 -03:00 committed by Mauro Carvalho Chehab
parent 2941e81f64
commit cdce7c0be2
1 changed files with 49 additions and 74 deletions
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123
drivers/media/video/ov772x.c
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@ -271,11 +271,13 @@
#define SLCT_QVGA 0x40 /* 1 : QVGA */
#define ITU656_ON_OFF 0x20 /* ITU656 protocol ON/OFF selection */
/* RGB output format control */
#define FMT_MASK 0x0c /* Mask of color format */
#define FMT_GBR422 0x00 /* 00 : GBR 4:2:2 */
#define FMT_RGB565 0x04 /* 01 : RGB 565 */
#define FMT_RGB555 0x08 /* 10 : RGB 555 */
#define FMT_RGB444 0x0c /* 11 : RGB 444 */
/* Output format control */
#define OFMT_MASK 0x03 /* Mask of output format */
#define OFMT_YUV 0x00 /* 00 : YUV */
#define OFMT_P_BRAW 0x01 /* 01 : Processed Bayer RAW */
#define OFMT_RGB 0x02 /* 10 : RGB */
@ -299,7 +301,7 @@
#define GAIN_2x 0x00 /* 000 : 2x */
#define GAIN_4x 0x10 /* 001 : 4x */
#define GAIN_8x 0x20 /* 010 : 8x */
#define GAIN_16x 0x30 /* 011 : 16x */
#define GAIN_16x 0x30 /* 011 : 16x */
#define GAIN_32x 0x40 /* 100 : 32x */
#define GAIN_64x 0x50 /* 101 : 64x */
#define GAIN_128x 0x60 /* 110 : 128x */
@ -355,13 +357,6 @@
#define VOSZ_VGA 0xF0
#define VOSZ_QVGA 0x78
/*
* bit configure (32 bit)
* this is used in struct ov772x_color_format :: option
*/
#define OP_UV 0x00000001
#define OP_SWAP_RGB 0x00000002
/*
* ID
*/
@ -380,8 +375,9 @@ struct regval_list {
struct ov772x_color_format {
char *name;
__u32 fourcc;
const struct regval_list *regs;
unsigned int option;
u8 dsp3;
u8 com3;
u8 com7;
};
struct ov772x_win_size {
@ -403,34 +399,6 @@ struct ov772x_priv {
#define ENDMARKER { 0xff, 0xff }
/*
* register setting for color format
*/
static const struct regval_list ov772x_RGB555_regs[] = {
{ COM3, 0x00 },
{ COM7, FMT_RGB555 | OFMT_RGB },
ENDMARKER,
};
static const struct regval_list ov772x_RGB565_regs[] = {
{ COM3, 0x00 },
{ COM7, FMT_RGB565 | OFMT_RGB },
ENDMARKER,
};
static const struct regval_list ov772x_YYUV_regs[] = {
{ COM3, SWAP_YUV },
{ COM7, OFMT_YUV },
ENDMARKER,
};
static const struct regval_list ov772x_UVYY_regs[] = {
{ COM3, 0x00 },
{ COM7, OFMT_YUV },
ENDMARKER,
};
/*
* register setting for window size
*/
@ -503,34 +471,45 @@ static const struct soc_camera_data_format ov772x_fmt_lists[] = {
static const struct ov772x_color_format ov772x_cfmts[] = {
{
SETFOURCC(YUYV),
.regs = ov772x_YYUV_regs,
.dsp3 = 0x0,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
{
SETFOURCC(YVYU),
.regs = ov772x_YYUV_regs,
.option = OP_UV,
.dsp3 = UV_ON,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
{
SETFOURCC(UYVY),
.regs = ov772x_UVYY_regs,
.dsp3 = 0x0,
.com3 = 0x0,
.com7 = OFMT_YUV,
},
{
SETFOURCC(RGB555),
.regs = ov772x_RGB555_regs,
.option = OP_SWAP_RGB,
.dsp3 = 0x0,
.com3 = SWAP_RGB,
.com7 = FMT_RGB555 | OFMT_RGB,
},
{
SETFOURCC(RGB555X),
.regs = ov772x_RGB555_regs,
.dsp3 = 0x0,
.com3 = 0x0,
.com7 = FMT_RGB555 | OFMT_RGB,
},
{
SETFOURCC(RGB565),
.regs = ov772x_RGB565_regs,
.option = OP_SWAP_RGB,
.dsp3 = 0x0,
.com3 = SWAP_RGB,
.com7 = FMT_RGB565 | OFMT_RGB,
},
{
SETFOURCC(RGB565X),
.regs = ov772x_RGB565_regs,
.dsp3 = 0x0,
.com3 = 0x0,
.com7 = FMT_RGB565 | OFMT_RGB,
},
};
@ -738,6 +717,7 @@ static int ov772x_set_fmt(struct soc_camera_device *icd,
{
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
int ret = -EINVAL;
u8 val;
int i;
/*
@ -763,13 +743,6 @@ static int ov772x_set_fmt(struct soc_camera_device *icd,
*/
ov772x_reset(priv->client);
/*
* set color format
*/
ret = ov772x_write_array(priv->client, priv->fmt->regs);
if (ret < 0)
goto ov772x_set_fmt_error;
/*
* set size format
*/
@ -778,32 +751,34 @@ static int ov772x_set_fmt(struct soc_camera_device *icd,
goto ov772x_set_fmt_error;
/*
* set COM7 bit ( QVGA or VGA )
* set DSP_CTRL3
*/
val = priv->fmt->dsp3;
if (val) {
ret = ov772x_mask_set(priv->client,
DSP_CTRL3, UV_MASK, val);
if (ret < 0)
goto ov772x_set_fmt_error;
}
/*
* set COM3
*/
val = priv->fmt->com3;
ret = ov772x_mask_set(priv->client,
COM7, SLCT_MASK, priv->win->com7_bit);
COM3, SWAP_MASK, val);
if (ret < 0)
goto ov772x_set_fmt_error;
/*
* set UV setting
* set COM7
*/
if (priv->fmt->option & OP_UV) {
ret = ov772x_mask_set(priv->client,
DSP_CTRL3, UV_MASK, UV_ON);
if (ret < 0)
goto ov772x_set_fmt_error;
}
/*
* set SWAP setting
*/
if (priv->fmt->option & OP_SWAP_RGB) {
ret = ov772x_mask_set(priv->client,
COM3, SWAP_MASK, SWAP_RGB);
if (ret < 0)
goto ov772x_set_fmt_error;
}
val = priv->win->com7_bit | priv->fmt->com7;
ret = ov772x_mask_set(priv->client,
COM7, (SLCT_MASK | FMT_MASK | OFMT_MASK),
val);
if (ret < 0)
goto ov772x_set_fmt_error;
return ret;