aboutsummaryrefslogtreecommitdiffstats
path: root/include/media/omap3isp.h
blob: c9d06d9f7e6eaa823eb4eb8b286ada0008abc176 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/*
 * omap3isp.h
 *
 * TI OMAP3 ISP - Platform data
 *
 * Copyright (C) 2011 Nokia Corporation
 *
 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 *	     Sakari Ailus <sakari.ailus@iki.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

#ifndef __MEDIA_OMAP3ISP_H__
#define __MEDIA_OMAP3ISP_H__

struct i2c_board_info;
struct isp_device;

enum isp_interface_type {
	ISP_INTERFACE_PARALLEL,
	ISP_INTERFACE_CSI2A_PHY2,
	ISP_INTERFACE_CCP2B_PHY1,
	ISP_INTERFACE_CCP2B_PHY2,
	ISP_INTERFACE_CSI2C_PHY1,
};

enum {
	ISP_LANE_SHIFT_0 = 0,
	ISP_LANE_SHIFT_2 = 1,
	ISP_LANE_SHIFT_4 = 2,
	ISP_LANE_SHIFT_6 = 3,
};

/**
 * struct isp_parallel_platform_data - Parallel interface platform data
 * @data_lane_shift: Data lane shifter
 *		ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0]
 *		ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0]
 *		ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0]
 *		ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0]
 * @clk_pol: Pixel clock polarity
 *		0 - Sample on rising edge, 1 - Sample on falling edge
 * @hs_pol: Horizontal synchronization polarity
 *		0 - Active high, 1 - Active low
 * @vs_pol: Vertical synchronization polarity
 *		0 - Active high, 1 - Active low
 * @data_pol: Data polarity
 *		0 - Normal, 1 - One's complement
 */
struct isp_parallel_platform_data {
	unsigned int data_lane_shift:2;
	unsigned int clk_pol:1;
	unsigned int hs_pol:1;
	unsigned int vs_pol:1;
	unsigned int data_pol:1;
};

enum {
	ISP_CCP2_PHY_DATA_CLOCK = 0,
	ISP_CCP2_PHY_DATA_STROBE = 1,
};

enum {
	ISP_CCP2_MODE_MIPI = 0,
	ISP_CCP2_MODE_CCP2 = 1,
};

/**
 * struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
 * @pos: position of the lane
 * @pol: polarity of the lane
 */
struct isp_csiphy_lane {
	u8 pos;
	u8 pol;
};

#define ISP_CSIPHY1_NUM_DATA_LANES	1
#define ISP_CSIPHY2_NUM_DATA_LANES	2

/**
 * struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
 * @data: Configuration of one or two data lanes
 * @clk: Clock lane configuration
 */
struct isp_csiphy_lanes_cfg {
	struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
	struct isp_csiphy_lane clk;
};

/**
 * struct isp_ccp2_platform_data - CCP2 interface platform data
 * @strobe_clk_pol: Strobe/clock polarity
 *		0 - Non Inverted, 1 - Inverted
 * @crc: Enable the cyclic redundancy check
 * @ccp2_mode: Enable CCP2 compatibility mode
 *		ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
 *		ISP_CCP2_MODE_CCP2 - CCP2 mode
 * @phy_layer: Physical layer selection
 *		ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
 *		ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
 * @vpclk_div: Video port output clock control
 */
struct isp_ccp2_platform_data {
	unsigned int strobe_clk_pol:1;
	unsigned int crc:1;
	unsigned int ccp2_mode:1;
	unsigned int phy_layer:1;
	unsigned int vpclk_div:2;
	struct isp_csiphy_lanes_cfg lanecfg;
};

/**
 * struct isp_csi2_platform_data - CSI2 interface platform data
 * @crc: Enable the cyclic redundancy check
 * @vpclk_div: Video port output clock control
 */
struct isp_csi2_platform_data {
	unsigned crc:1;
	unsigned vpclk_div:2;
	struct isp_csiphy_lanes_cfg lanecfg;
};

struct isp_subdev_i2c_board_info {
	struct i2c_board_info *board_info;
	int i2c_adapter_id;
};

struct isp_v4l2_subdevs_group {
	struct isp_subdev_i2c_board_info *subdevs;
	enum isp_interface_type interface;
	union {
		struct isp_parallel_platform_data parallel;
		struct isp_ccp2_platform_data ccp2;
		struct isp_csi2_platform_data csi2;
	} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
};

struct isp_platform_xclk {
	const char *dev_id;
	const char *con_id;
};

struct isp_platform_data {
	struct isp_platform_xclk xclks[2];
	struct isp_v4l2_subdevs_group *subdevs;
	void (*set_constraints)(struct isp_device *isp, bool enable);
};

#endif	/* __MEDIA_OMAP3ISP_H__ */