1 #ifndef ARCH_ARM_PLAT_OMAP4_ISS_H
2 #define ARCH_ARM_PLAT_OMAP4_ISS_H
3 
4 #include <linux/i2c.h>
5 
6 struct iss_device;
7 
8 enum 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  */
18 struct 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  */
31 struct 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  */
41 struct iss_csi2_platform_data {
42 	unsigned crc:1;
43 	unsigned vpclk_div:2;
44 	struct iss_csiphy_lanes_cfg lanecfg;
45 };
46 
47 struct iss_subdev_i2c_board_info {
48 	struct i2c_board_info *board_info;
49 	int i2c_adapter_id;
50 };
51 
52 struct 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 
60 struct 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