diff options
Diffstat (limited to 'kernel/drivers/media/i2c/soc_camera/tw9910.c')
| -rw-r--r-- | kernel/drivers/media/i2c/soc_camera/tw9910.c | 76 |
1 files changed, 60 insertions, 16 deletions
diff --git a/kernel/drivers/media/i2c/soc_camera/tw9910.c b/kernel/drivers/media/i2c/soc_camera/tw9910.c index 9b853215d..e939c24bf 100644 --- a/kernel/drivers/media/i2c/soc_camera/tw9910.c +++ b/kernel/drivers/media/i2c/soc_camera/tw9910.c @@ -510,13 +510,39 @@ static int tw9910_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct tw9910_priv *priv = to_tw9910(client); + const unsigned hact = 720; + const unsigned hdelay = 15; + unsigned vact; + unsigned vdelay; + int ret; if (!(norm & (V4L2_STD_NTSC | V4L2_STD_PAL))) return -EINVAL; priv->norm = norm; + if (norm & V4L2_STD_525_60) { + vact = 240; + vdelay = 18; + ret = tw9910_mask_set(client, VVBI, 0x10, 0x10); + } else { + vact = 288; + vdelay = 24; + ret = tw9910_mask_set(client, VVBI, 0x10, 0x00); + } + if (!ret) + ret = i2c_smbus_write_byte_data(client, CROP_HI, + ((vdelay >> 2) & 0xc0) | + ((vact >> 4) & 0x30) | + ((hdelay >> 6) & 0x0c) | + ((hact >> 8) & 0x03)); + if (!ret) + ret = i2c_smbus_write_byte_data(client, VDELAY_LO, + vdelay & 0xff); + if (!ret) + ret = i2c_smbus_write_byte_data(client, VACTIVE_LO, + vact & 0xff); - return 0; + return ret; } #ifdef CONFIG_VIDEO_ADV_DEBUG @@ -691,12 +717,17 @@ static int tw9910_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) return 0; } -static int tw9910_g_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int tw9910_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { + struct v4l2_mbus_framefmt *mf = &format->format; struct i2c_client *client = v4l2_get_subdevdata(sd); struct tw9910_priv *priv = to_tw9910(client); + if (format->pad) + return -EINVAL; + if (!priv->scale) { priv->scale = tw9910_select_norm(priv->norm, 640, 480); if (!priv->scale) @@ -706,7 +737,7 @@ static int tw9910_g_fmt(struct v4l2_subdev *sd, mf->width = priv->scale->width; mf->height = priv->scale->height; mf->code = MEDIA_BUS_FMT_UYVY8_2X8; - mf->colorspace = V4L2_COLORSPACE_JPEG; + mf->colorspace = V4L2_COLORSPACE_SMPTE170M; mf->field = V4L2_FIELD_INTERLACED_BT; return 0; @@ -727,7 +758,7 @@ static int tw9910_s_fmt(struct v4l2_subdev *sd, if (mf->code != MEDIA_BUS_FMT_UYVY8_2X8) return -EINVAL; - mf->colorspace = V4L2_COLORSPACE_JPEG; + mf->colorspace = V4L2_COLORSPACE_SMPTE170M; ret = tw9910_set_frame(sd, &width, &height); if (!ret) { @@ -737,13 +768,18 @@ static int tw9910_s_fmt(struct v4l2_subdev *sd, return ret; } -static int tw9910_try_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *mf) +static int tw9910_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { + struct v4l2_mbus_framefmt *mf = &format->format; struct i2c_client *client = v4l2_get_subdevdata(sd); struct tw9910_priv *priv = to_tw9910(client); const struct tw9910_scale_ctrl *scale; + if (format->pad) + return -EINVAL; + if (V4L2_FIELD_ANY == mf->field) { mf->field = V4L2_FIELD_INTERLACED_BT; } else if (V4L2_FIELD_INTERLACED_BT != mf->field) { @@ -752,7 +788,7 @@ static int tw9910_try_fmt(struct v4l2_subdev *sd, } mf->code = MEDIA_BUS_FMT_UYVY8_2X8; - mf->colorspace = V4L2_COLORSPACE_JPEG; + mf->colorspace = V4L2_COLORSPACE_SMPTE170M; /* * select suitable norm @@ -764,6 +800,9 @@ static int tw9910_try_fmt(struct v4l2_subdev *sd, mf->width = scale->width; mf->height = scale->height; + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + return tw9910_s_fmt(sd, mf); + cfg->try_fmt = *mf; return 0; } @@ -807,6 +846,7 @@ static int tw9910_video_probe(struct i2c_client *client) "tw9910 Product ID %0x:%0x\n", id, priv->revision); priv->norm = V4L2_STD_NTSC; + priv->scale = &tw9910_ntsc_scales[0]; done: tw9910_s_power(&priv->subdev, 0); @@ -821,13 +861,14 @@ static struct v4l2_subdev_core_ops tw9910_subdev_core_ops = { .s_power = tw9910_s_power, }; -static int tw9910_enum_fmt(struct v4l2_subdev *sd, unsigned int index, - u32 *code) +static int tw9910_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) { - if (index) + if (code->pad || code->index) return -EINVAL; - *code = MEDIA_BUS_FMT_UYVY8_2X8; + code->code = MEDIA_BUS_FMT_UYVY8_2X8; return 0; } @@ -880,20 +921,23 @@ static struct v4l2_subdev_video_ops tw9910_subdev_video_ops = { .s_std = tw9910_s_std, .g_std = tw9910_g_std, .s_stream = tw9910_s_stream, - .g_mbus_fmt = tw9910_g_fmt, - .s_mbus_fmt = tw9910_s_fmt, - .try_mbus_fmt = tw9910_try_fmt, .cropcap = tw9910_cropcap, .g_crop = tw9910_g_crop, - .enum_mbus_fmt = tw9910_enum_fmt, .g_mbus_config = tw9910_g_mbus_config, .s_mbus_config = tw9910_s_mbus_config, .g_tvnorms = tw9910_g_tvnorms, }; +static const struct v4l2_subdev_pad_ops tw9910_subdev_pad_ops = { + .enum_mbus_code = tw9910_enum_mbus_code, + .get_fmt = tw9910_get_fmt, + .set_fmt = tw9910_set_fmt, +}; + static struct v4l2_subdev_ops tw9910_subdev_ops = { .core = &tw9910_subdev_core_ops, .video = &tw9910_subdev_video_ops, + .pad = &tw9910_subdev_pad_ops, }; /* |