From 59ca25b7eb8f6675be94ec18beb8eb66293f550d Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Tue, 26 Jul 2011 12:02:00 -0300 Subject: [PATCH] [media] V4L: ov6650: support the new mbus-config subdev ops Extend the driver to also support [gs]_mbus_config() subdevice video operations. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ov6650.c | 53 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 52 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/ov6650.c b/drivers/media/video/ov6650.c index 456d9ad..a26734d 100644 --- a/drivers/media/video/ov6650.c +++ b/drivers/media/video/ov6650.c @@ -30,9 +30,9 @@ #include #include +#include #include - /* Register definitions */ #define REG_GAIN 0x00 /* range 00 - 3F */ #define REG_BLUE 0x01 @@ -1111,6 +1111,55 @@ static struct v4l2_subdev_core_ops ov6650_core_ops = { #endif }; +static int ov6650_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + + cfg->flags = V4L2_MBUS_MASTER | + V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW | + V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW | + V4L2_MBUS_DATA_ACTIVE_HIGH; + cfg->type = V4L2_MBUS_PARALLEL; + cfg->flags = soc_camera_apply_board_flags(icl, cfg); + + return 0; +} + +static int ov6650_s_mbus_config(struct v4l2_subdev *sd, + const struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + unsigned long flags = soc_camera_apply_board_flags(icl, cfg); + int ret; + + if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + ret = ov6650_reg_rmw(client, REG_COMJ, COMJ_PCLK_RISING, 0); + else + ret = ov6650_reg_rmw(client, REG_COMJ, 0, COMJ_PCLK_RISING); + if (ret) + return ret; + + if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW) + ret = ov6650_reg_rmw(client, REG_COMF, COMF_HREF_LOW, 0); + else + ret = ov6650_reg_rmw(client, REG_COMF, 0, COMF_HREF_LOW); + if (ret) + return ret; + + if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) + ret = ov6650_reg_rmw(client, REG_COMJ, COMJ_VSYNC_HIGH, 0); + else + ret = ov6650_reg_rmw(client, REG_COMJ, 0, COMJ_VSYNC_HIGH); + + return ret; +} + static struct v4l2_subdev_video_ops ov6650_video_ops = { .s_stream = ov6650_s_stream, .g_mbus_fmt = ov6650_g_fmt, @@ -1122,6 +1171,8 @@ static struct v4l2_subdev_video_ops ov6650_video_ops = { .s_crop = ov6650_s_crop, .g_parm = ov6650_g_parm, .s_parm = ov6650_s_parm, + .g_mbus_config = ov6650_g_mbus_config, + .s_mbus_config = ov6650_s_mbus_config, }; static struct v4l2_subdev_ops ov6650_subdev_ops = { -- 2.7.4