1#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
2#define ARCH_ARM_PLAT_OMAP4_ISS_H
3
4#include <linux/i2c.h>
5
6struct iss_device;
7
8enum iss_interface_type {
9	ISS_INTERFACE_CSI2A_PHY1,
10	ISS_INTERFACE_CSI2B_PHY2,
11};
12
13/**
14 * struct iss_csiphy_lane: CSI2 lane position and polarity
15 * @pos: position of the lane
16 * @pol: polarity of the lane
17 */
18struct iss_csiphy_lane {
19	u8 pos;
20	u8 pol;
21};
22
23#define ISS_CSIPHY1_NUM_DATA_LANES	4
24#define ISS_CSIPHY2_NUM_DATA_LANES	1
25
26/**
27 * struct iss_csiphy_lanes_cfg - CSI2 lane configuration
28 * @data: Configuration of one or two data lanes
29 * @clk: Clock lane configuration
30 */
31struct iss_csiphy_lanes_cfg {
32	struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES];
33	struct iss_csiphy_lane clk;
34};
35
36/**
37 * struct iss_csi2_platform_data - CSI2 interface platform data
38 * @crc: Enable the cyclic redundancy check
39 * @vpclk_div: Video port output clock control
40 */
41struct iss_csi2_platform_data {
42	unsigned crc:1;
43	unsigned vpclk_div:2;
44	struct iss_csiphy_lanes_cfg lanecfg;
45};
46
47struct iss_subdev_i2c_board_info {
48	struct i2c_board_info *board_info;
49	int i2c_adapter_id;
50};
51
52struct iss_v4l2_subdevs_group {
53	struct iss_subdev_i2c_board_info *subdevs;
54	enum iss_interface_type interface;
55	union {
56		struct iss_csi2_platform_data csi2;
57	} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
58};
59
60struct iss_platform_data {
61	struct iss_v4l2_subdevs_group *subdevs;
62	void (*set_constraints)(struct iss_device *iss, bool enable);
63};
64
65#endif
66