Hi Stan,
On Fri, Dec 2, 2011 at 7:32 AM, Stanimir Varbanov <svarbanov@xxxxxxxxxx> wrote:
> Hi, Sergio
>
> This change in interface is not used from the omap4iss driver.
>
> You could drop it from the patch set, if so.
Oops, yes... I used to depend on this for my soc_camera implementation before...
You're absolutely right, i'll remove it in the next iteration.
Merci!
>
> On 12/01/2011 02:14 AM, Sergio Aguirre wrote:
>> From: Stanimir Varbanov <svarbanov@xxxxxxxxxx>
>>
>> Introduce g_interface_parms sensor operation for getting sensor
>> interface parameters. These parameters are needed from the host side
>> to determine it's own configuration.
>>
>> Signed-off-by: Stanimir Varbanov <svarbanov@xxxxxxxxxx>
>> ---
>> include/media/v4l2-subdev.h | 42 ++++++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 42 insertions(+), 0 deletions(-)
>>
>> diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
>> index f0f3358..0d322ed 100644
>> --- a/include/media/v4l2-subdev.h
>> +++ b/include/media/v4l2-subdev.h
>> @@ -362,6 +362,42 @@ struct v4l2_subdev_vbi_ops {
>> int (*s_sliced_fmt)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
>> };
>>
>> +/* Which interface the sensor use to provide it's image data */
>> +enum v4l2_subdev_sensor_iface {
>> + V4L2_SUBDEV_SENSOR_PARALLEL,
>> + V4L2_SUBDEV_SENSOR_SERIAL,
>> +};
>> +
>> +/* Each interface could use the following modes */
>> +/* Image sensor provides horizontal and vertical sync signals */
>> +#define V4L2_SUBDEV_SENSOR_MODE_PARALLEL_SYNC 0
>> +/* BT.656 interface. Embedded sync */
>> +#define V4L2_SUBDEV_SENSOR_MODE_PARALLEL_ITU 1
>> +/* MIPI CSI1 */
>> +#define V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI1 2
>> +/* MIPI CSI2 */
>> +#define V4L2_SUBDEV_SENSOR_MODE_SERIAL_CSI2 3
>> +
>> +struct v4l2_subdev_sensor_serial_parms {
>> + unsigned char lanes; /* number of lanes used */
>> + unsigned char channel; /* virtual channel */
>> + unsigned int phy_rate; /* output rate at CSI phy in bps */
>> + unsigned int pix_clk; /* pixel clock in Hz */
>> +};
>> +
>> +struct v4l2_subdev_sensor_parallel_parms {
>> + unsigned int pix_clk; /* pixel clock in Hz */
>> +};
>> +
>> +struct v4l2_subdev_sensor_interface_parms {
>> + enum v4l2_subdev_sensor_iface if_type;
>> + unsigned int if_mode;
>> + union {
>> + struct v4l2_subdev_sensor_serial_parms serial;
>> + struct v4l2_subdev_sensor_parallel_parms parallel;
>> + } parms;
>> +};
>> +
>> /**
>> * struct v4l2_subdev_sensor_ops - v4l2-subdev sensor operations
>> * @g_skip_top_lines: number of lines at the top of the image to be skipped.
>> @@ -371,10 +407,16 @@ struct v4l2_subdev_vbi_ops {
>> * @g_skip_frames: number of frames to skip at stream start. This is needed for
>> * buggy sensors that generate faulty frames when they are
>> * turned on.
>> + * @g_interface_parms: get sensor interface parameters. The sensor subdev should
>> + * fill this structure with current interface params. These
>> + * interface parameters are needed on host side to configure
>> + * it's own hardware receivers.
>> */
>> struct v4l2_subdev_sensor_ops {
>> int (*g_skip_top_lines)(struct v4l2_subdev *sd, u32 *lines);
>> int (*g_skip_frames)(struct v4l2_subdev *sd, u32 *frames);
>> + int (*g_interface_parms)(struct v4l2_subdev *sd,
>> + struct v4l2_subdev_sensor_interface_parms *parms);
>> };
>>
>> /*
>
>
> --
> best regards,
> Stan
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