1 /*
2  * Samsung S5P SoC camera interface driver header
3  *
4  * Copyright (c) 2010 Samsung Electronics Co., Ltd
5  * Author: Sylwester Nawrocki, <s.nawrocki@samsung.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #ifndef S5P_FIMC_H_
13 #define S5P_FIMC_H_
14 
15 enum cam_bus_type {
16 	FIMC_ITU_601 = 1,
17 	FIMC_ITU_656,
18 	FIMC_MIPI_CSI2,
19 	FIMC_LCD_WB, /* FIFO link from LCD mixer */
20 };
21 
22 #define FIMC_CLK_INV_PCLK	(1 << 0)
23 #define FIMC_CLK_INV_VSYNC	(1 << 1)
24 #define FIMC_CLK_INV_HREF	(1 << 2)
25 #define FIMC_CLK_INV_HSYNC	(1 << 3)
26 
27 struct i2c_board_info;
28 
29 /**
30  * struct s5p_fimc_isp_info - image sensor information required for host
31  *			      interace configuration.
32  *
33  * @board_info: pointer to I2C subdevice's board info
34  * @clk_frequency: frequency of the clock the host interface provides to sensor
35  * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
36  * @csi_data_align: MIPI-CSI interface data alignment in bits
37  * @i2c_bus_num: i2c control bus id the sensor is attached to
38  * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
39  * @flags: flags defining bus signals polarity inversion (High by default)
40  */
41 struct s5p_fimc_isp_info {
42 	struct i2c_board_info *board_info;
43 	unsigned long clk_frequency;
44 	enum cam_bus_type bus_type;
45 	u16 csi_data_align;
46 	u16 i2c_bus_num;
47 	u16 mux_id;
48 	u16 flags;
49 };
50 
51 /**
52  * struct s5p_platform_fimc - camera host interface platform data
53  *
54  * @isp_info: properties of camera sensor required for host interface setup
55  * @num_clients: the number of attached image sensors
56  */
57 struct s5p_platform_fimc {
58 	struct s5p_fimc_isp_info *isp_info;
59 	int num_clients;
60 };
61 #endif /* S5P_FIMC_H_ */
62