diff options
Diffstat (limited to 'drivers/media/video/ov772x.c')
| -rw-r--r-- | drivers/media/video/ov772x.c | 320 |
1 files changed, 201 insertions, 119 deletions
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index 3c9e0ba974e..84b0fc1bb23 100644 --- a/drivers/media/video/ov772x.c +++ b/drivers/media/video/ov772x.c @@ -217,10 +217,11 @@ #define OCAP_4x 0x03 /* 4x */ /* COM3 */ -#define SWAP_MASK 0x38 +#define SWAP_MASK (SWAP_RGB | SWAP_YUV | SWAP_ML) +#define IMG_MASK (VFLIP_IMG | HFLIP_IMG) -#define VFIMG_ON_OFF 0x80 /* Vertical flip image ON/OFF selection */ -#define HMIMG_ON_OFF 0x40 /* Horizontal mirror image ON/OFF selection */ +#define VFLIP_IMG 0x80 /* Vertical flip image ON/OFF selection */ +#define HFLIP_IMG 0x40 /* Horizontal mirror image ON/OFF selection */ #define SWAP_RGB 0x20 /* Swap B/R output sequence in RGB mode */ #define SWAP_YUV 0x10 /* Swap Y/UV output sequence in YUV mode */ #define SWAP_ML 0x08 /* Swap output MSB/LSB */ @@ -271,11 +272,13 @@ #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 +302,7 @@ #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 */ @@ -356,13 +359,6 @@ #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 */ #define OV7720 0x7720 @@ -380,8 +376,9 @@ 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 { @@ -399,39 +396,13 @@ struct ov772x_priv { const struct ov772x_color_format *fmt; const struct ov772x_win_size *win; int model; + unsigned int flag_vflip:1; + unsigned int flag_hflip:1; }; #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 */ static const struct regval_list ov772x_qvga_regs[] = { @@ -500,38 +471,48 @@ static const struct soc_camera_data_format ov772x_fmt_lists[] = { /* * color format list */ -#define T_YUYV 0 static const struct ov772x_color_format ov772x_cfmts[] = { - [T_YUYV] = { + { 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, }, }; @@ -562,6 +543,27 @@ static const struct ov772x_win_size ov772x_win_qvga = { .regs = ov772x_qvga_regs, }; +static const struct v4l2_queryctrl ov772x_controls[] = { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Flip Vertically", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Flip Horizontally", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, +}; + /* * general function @@ -587,8 +589,11 @@ static int ov772x_mask_set(struct i2c_client *client, u8 set) { s32 val = i2c_smbus_read_byte_data(client, command); + if (val < 0) + return val; + val &= ~mask; - val |= set; + val |= set & mask; return i2c_smbus_write_byte_data(client, command, val); } @@ -635,74 +640,24 @@ static int ov772x_release(struct soc_camera_device *icd) static int ov772x_start_capture(struct soc_camera_device *icd) { struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); - int ret; - - if (!priv->win) - priv->win = &ov772x_win_vga; - if (!priv->fmt) - priv->fmt = &ov772x_cfmts[T_YUYV]; - - /* - * reset hardware - */ - ov772x_reset(priv->client); - /* - * set color format - */ - ret = ov772x_write_array(priv->client, priv->fmt->regs); - if (ret < 0) - goto start_end; - - /* - * set size format - */ - ret = ov772x_write_array(priv->client, priv->win->regs); - if (ret < 0) - goto start_end; - - /* - * set COM7 bit ( QVGA or VGA ) - */ - ret = ov772x_mask_set(priv->client, - COM7, SLCT_MASK, priv->win->com7_bit); - if (ret < 0) - goto start_end; - - /* - * set UV setting - */ - if (priv->fmt->option & OP_UV) { - ret = ov772x_mask_set(priv->client, - DSP_CTRL3, UV_MASK, UV_ON); - if (ret < 0) - goto start_end; + if (!priv->win || !priv->fmt) { + dev_err(&icd->dev, "norm or win select error\n"); + return -EPERM; } - /* - * 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 start_end; - } + ov772x_mask_set(priv->client, COM2, SOFT_SLEEP_MODE, 0); dev_dbg(&icd->dev, "format %s, win %s\n", priv->fmt->name, priv->win->name); -start_end: - priv->fmt = NULL; - priv->win = NULL; - - return ret; + return 0; } static int ov772x_stop_capture(struct soc_camera_device *icd) { struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); - ov772x_reset(priv->client); + ov772x_mask_set(priv->client, COM2, SOFT_SLEEP_MODE, SOFT_SLEEP_MODE); return 0; } @@ -718,11 +673,54 @@ static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd) struct soc_camera_link *icl = priv->client->dev.platform_data; unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER | SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH | - priv->info->buswidth; + SOCAM_DATA_ACTIVE_HIGH | priv->info->buswidth; return soc_camera_apply_sensor_flags(icl, flags); } +static int ov772x_get_control(struct soc_camera_device *icd, + struct v4l2_control *ctrl) +{ + struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); + + switch (ctrl->id) { + case V4L2_CID_VFLIP: + ctrl->value = priv->flag_vflip; + break; + case V4L2_CID_HFLIP: + ctrl->value = priv->flag_hflip; + break; + } + return 0; +} + +static int ov772x_set_control(struct soc_camera_device *icd, + struct v4l2_control *ctrl) +{ + struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); + int ret = 0; + u8 val; + + switch (ctrl->id) { + case V4L2_CID_VFLIP: + val = ctrl->value ? VFLIP_IMG : 0x00; + priv->flag_vflip = ctrl->value; + if (priv->info->flags & OV772X_FLAG_VFLIP) + val ^= VFLIP_IMG; + ret = ov772x_mask_set(priv->client, COM3, VFLIP_IMG, val); + break; + case V4L2_CID_HFLIP: + val = ctrl->value ? HFLIP_IMG : 0x00; + priv->flag_hflip = ctrl->value; + if (priv->info->flags & OV772X_FLAG_HFLIP) + val ^= HFLIP_IMG; + ret = ov772x_mask_set(priv->client, COM3, HFLIP_IMG, val); + break; + } + + return ret; +} + static int ov772x_get_chip_id(struct soc_camera_device *icd, struct v4l2_dbg_chip_ident *id) { @@ -787,13 +785,11 @@ ov772x_select_win(u32 width, u32 height) return win; } - -static int ov772x_set_fmt(struct soc_camera_device *icd, - __u32 pixfmt, - struct v4l2_rect *rect) +static int ov772x_set_params(struct ov772x_priv *priv, u32 width, u32 height, + u32 pixfmt) { - struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); int ret = -EINVAL; + u8 val; int i; /* @@ -803,19 +799,101 @@ static int ov772x_set_fmt(struct soc_camera_device *icd, for (i = 0; i < ARRAY_SIZE(ov772x_cfmts); i++) { if (pixfmt == ov772x_cfmts[i].fourcc) { priv->fmt = ov772x_cfmts + i; - ret = 0; break; } } + if (!priv->fmt) + goto ov772x_set_fmt_error; /* * select win */ - priv->win = ov772x_select_win(rect->width, rect->height); + priv->win = ov772x_select_win(width, height); + + /* + * reset hardware + */ + ov772x_reset(priv->client); + + /* + * set size format + */ + ret = ov772x_write_array(priv->client, priv->win->regs); + if (ret < 0) + goto ov772x_set_fmt_error; + + /* + * 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; + if (priv->info->flags & OV772X_FLAG_VFLIP) + val |= VFLIP_IMG; + if (priv->info->flags & OV772X_FLAG_HFLIP) + val |= HFLIP_IMG; + if (priv->flag_vflip) + val ^= VFLIP_IMG; + if (priv->flag_hflip) + val ^= HFLIP_IMG; + + ret = ov772x_mask_set(priv->client, + COM3, SWAP_MASK | IMG_MASK, val); + if (ret < 0) + goto ov772x_set_fmt_error; + + /* + * set COM7 + */ + 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; + +ov772x_set_fmt_error: + + ov772x_reset(priv->client); + priv->win = NULL; + priv->fmt = NULL; return ret; } +static int ov772x_set_crop(struct soc_camera_device *icd, + struct v4l2_rect *rect) +{ + struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); + + if (!priv->fmt) + return -EINVAL; + + return ov772x_set_params(priv, rect->width, rect->height, + priv->fmt->fourcc); +} + +static int ov772x_set_fmt(struct soc_camera_device *icd, + struct v4l2_format *f) +{ + struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd); + struct v4l2_pix_format *pix = &f->fmt.pix; + + return ov772x_set_params(priv, pix->width, pix->height, + pix->pixelformat); +} + static int ov772x_try_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { @@ -889,7 +967,6 @@ static int ov772x_video_probe(struct soc_camera_device *icd) i2c_smbus_read_byte_data(priv->client, MIDH), i2c_smbus_read_byte_data(priv->client, MIDL)); - return soc_camera_video_start(icd); } @@ -906,10 +983,15 @@ static struct soc_camera_ops ov772x_ops = { .release = ov772x_release, .start_capture = ov772x_start_capture, .stop_capture = ov772x_stop_capture, + .set_crop = ov772x_set_crop, .set_fmt = ov772x_set_fmt, .try_fmt = ov772x_try_fmt, .set_bus_param = ov772x_set_bus_param, .query_bus_param = ov772x_query_bus_param, + .controls = ov772x_controls, + .num_controls = ARRAY_SIZE(ov772x_controls), + .get_control = ov772x_get_control, + .set_control = ov772x_set_control, .get_chip_id = ov772x_get_chip_id, #ifdef CONFIG_VIDEO_ADV_DEBUG .get_register = ov772x_get_register, |