mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 01:35:35 +07:00
59f0ad8076
This adds a very simplistic driver to utilize the CSI2A interface inside the ISS subsystem in OMAP4, and dump the data to memory. Check Documentation/video4linux/omap4_camera.txt for details. This commit adds the driver core, registers definitions and documentation. Signed-off-by: Sergio Aguirre <sergio.a.aguirre@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
|
|
#define ARCH_ARM_PLAT_OMAP4_ISS_H
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
struct iss_device;
|
|
|
|
enum iss_interface_type {
|
|
ISS_INTERFACE_CSI2A_PHY1,
|
|
ISS_INTERFACE_CSI2B_PHY2,
|
|
};
|
|
|
|
/**
|
|
* struct iss_csiphy_lane: CSI2 lane position and polarity
|
|
* @pos: position of the lane
|
|
* @pol: polarity of the lane
|
|
*/
|
|
struct iss_csiphy_lane {
|
|
u8 pos;
|
|
u8 pol;
|
|
};
|
|
|
|
#define ISS_CSIPHY1_NUM_DATA_LANES 4
|
|
#define ISS_CSIPHY2_NUM_DATA_LANES 1
|
|
|
|
/**
|
|
* struct iss_csiphy_lanes_cfg - CSI2 lane configuration
|
|
* @data: Configuration of one or two data lanes
|
|
* @clk: Clock lane configuration
|
|
*/
|
|
struct iss_csiphy_lanes_cfg {
|
|
struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
|
|
struct iss_csiphy_lane clk;
|
|
};
|
|
|
|
/**
|
|
* struct iss_csi2_platform_data - CSI2 interface platform data
|
|
* @crc: Enable the cyclic redundancy check
|
|
* @vpclk_div: Video port output clock control
|
|
*/
|
|
struct iss_csi2_platform_data {
|
|
unsigned crc:1;
|
|
unsigned vpclk_div:2;
|
|
struct iss_csiphy_lanes_cfg lanecfg;
|
|
};
|
|
|
|
struct iss_subdev_i2c_board_info {
|
|
struct i2c_board_info *board_info;
|
|
int i2c_adapter_id;
|
|
};
|
|
|
|
struct iss_v4l2_subdevs_group {
|
|
struct iss_subdev_i2c_board_info *subdevs;
|
|
enum iss_interface_type interface;
|
|
union {
|
|
struct iss_csi2_platform_data csi2;
|
|
} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
|
|
};
|
|
|
|
struct iss_platform_data {
|
|
struct iss_v4l2_subdevs_group *subdevs;
|
|
void (*set_constraints)(struct iss_device *iss, bool enable);
|
|
};
|
|
|
|
#endif
|