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 struct i2c_board_info;
23 
24 /**
25  * struct s5p_fimc_isp_info - image sensor information required for host
26  *			      interace configuration.
27  *
28  * @board_info: pointer to I2C subdevice's board info
29  * @clk_frequency: frequency of the clock the host interface provides to sensor
30  * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
31  * @csi_data_align: MIPI-CSI interface data alignment in bits
32  * @i2c_bus_num: i2c control bus id the sensor is attached to
33  * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
34  * @clk_id: index of the SoC peripheral clock for sensors
35  * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
36  */
37 struct s5p_fimc_isp_info {
38 	struct i2c_board_info *board_info;
39 	unsigned long clk_frequency;
40 	enum cam_bus_type bus_type;
41 	u16 csi_data_align;
42 	u16 i2c_bus_num;
43 	u16 mux_id;
44 	u16 flags;
45 	u8 clk_id;
46 };
47 
48 /**
49  * struct s5p_platform_fimc - camera host interface platform data
50  *
51  * @isp_info: properties of camera sensor required for host interface setup
52  * @num_clients: the number of attached image sensors
53  */
54 struct s5p_platform_fimc {
55 	struct s5p_fimc_isp_info *isp_info;
56 	int num_clients;
57 };
58 
59 /*
60  * v4l2_device notification id. This is only for internal use in the kernel.
61  * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
62  * frame capture mode when there is only one VSYNC pulse issued by the sensor
63  * at begining of the frame transmission.
64  */
65 #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)
66 
67 #endif /* S5P_FIMC_H_ */
68