[mirror_ubuntu-bionic-kernel.git] / include / media / omap3isp.h

/*
 * 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;

#define ISP_XCLK_NONE			0
#define ISP_XCLK_A			1
#define ISP_XCLK_B			2

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_data {
	struct isp_v4l2_subdevs_group *subdevs;
	void (*set_constraints)(struct isp_device *isp, bool enable);
};

#endif	/* __MEDIA_OMAP3ISP_H__ */
Commit	Line	Data
b98d32f7 LP	1	/*
	2	* omap3isp.h
	3	*
	4	* TI OMAP3 ISP - Platform data
	5	*
	6	* Copyright (C) 2011 Nokia Corporation
	7	*
	8	* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
	9	* Sakari Ailus <sakari.ailus@iki.fi>
	10	*
	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License version 2 as
	13	* published by the Free Software Foundation.
	14	*
	15	* This program is distributed in the hope that it will be useful, but
	16	* WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	23	* 02110-1301 USA
	24	*/
	25
	26	#ifndef __MEDIA_OMAP3ISP_H__
	27	#define __MEDIA_OMAP3ISP_H__
	28
	29	struct i2c_board_info;
	30	struct isp_device;
	31
618b055b SA	32	#define ISP_XCLK_NONE 0
	33	#define ISP_XCLK_A 1
	34	#define ISP_XCLK_B 2
	35
b98d32f7 LP	36	enum isp_interface_type {
	37	ISP_INTERFACE_PARALLEL,
	38	ISP_INTERFACE_CSI2A_PHY2,
	39	ISP_INTERFACE_CCP2B_PHY1,
	40	ISP_INTERFACE_CCP2B_PHY2,
	41	ISP_INTERFACE_CSI2C_PHY1,
	42	};
	43
b98d32f7 LP	44	enum {
	45	ISP_LANE_SHIFT_0 = 0,
	46	ISP_LANE_SHIFT_2 = 1,
	47	ISP_LANE_SHIFT_4 = 2,
	48	ISP_LANE_SHIFT_6 = 3,
	49	};
	50
	51	/**
	52	* struct isp_parallel_platform_data - Parallel interface platform data
	53	* @data_lane_shift: Data lane shifter
	54	* ISP_LANE_SHIFT_0 - CAMEXT[13:0] -> CAM[13:0]
	55	* ISP_LANE_SHIFT_2 - CAMEXT[13:2] -> CAM[11:0]
	56	* ISP_LANE_SHIFT_4 - CAMEXT[13:4] -> CAM[9:0]
	57	* ISP_LANE_SHIFT_6 - CAMEXT[13:6] -> CAM[7:0]
	58	* @clk_pol: Pixel clock polarity
c1026c58	59	* 0 - Sample on rising edge, 1 - Sample on falling edge
b98d32f7 LP	60	* @hs_pol: Horizontal synchronization polarity
	61	* 0 - Active high, 1 - Active low
	62	* @vs_pol: Vertical synchronization polarity
	63	* 0 - Active high, 1 - Active low
73ea57eb LP	64	* @data_pol: Data polarity
73ea57eb LP	65	* 0 - Normal, 1 - One's complement
b98d32f7 LP	66	*/
	67	struct isp_parallel_platform_data {
	68	unsigned int data_lane_shift:2;
	69	unsigned int clk_pol:1;
	70	unsigned int hs_pol:1;
	71	unsigned int vs_pol:1;
73ea57eb	72	unsigned int data_pol:1;
b98d32f7 LP	73	};
	74
	75	enum {
	76	ISP_CCP2_PHY_DATA_CLOCK = 0,
	77	ISP_CCP2_PHY_DATA_STROBE = 1,
	78	};
	79
	80	enum {
	81	ISP_CCP2_MODE_MIPI = 0,
	82	ISP_CCP2_MODE_CCP2 = 1,
	83	};
	84
fe6adc19 SA	85	/**
	86	* struct isp_csiphy_lane: CCP2/CSI2 lane position and polarity
	87	* @pos: position of the lane
	88	* @pol: polarity of the lane
	89	*/
	90	struct isp_csiphy_lane {
	91	u8 pos;
	92	u8 pol;
	93	};
	94
	95	#define ISP_CSIPHY1_NUM_DATA_LANES 1
	96	#define ISP_CSIPHY2_NUM_DATA_LANES 2
	97
	98	/**
	99	* struct isp_csiphy_lanes_cfg - CCP2/CSI2 lane configuration
	100	* @data: Configuration of one or two data lanes
	101	* @clk: Clock lane configuration
	102	*/
	103	struct isp_csiphy_lanes_cfg {
	104	struct isp_csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
	105	struct isp_csiphy_lane clk;
	106	};
	107
b98d32f7 LP	108	/**
	109	* struct isp_ccp2_platform_data - CCP2 interface platform data
	110	* @strobe_clk_pol: Strobe/clock polarity
	111	* 0 - Non Inverted, 1 - Inverted
	112	* @crc: Enable the cyclic redundancy check
	113	* @ccp2_mode: Enable CCP2 compatibility mode
	114	* ISP_CCP2_MODE_MIPI - MIPI-CSI1 mode
	115	* ISP_CCP2_MODE_CCP2 - CCP2 mode
	116	* @phy_layer: Physical layer selection
	117	* ISP_CCP2_PHY_DATA_CLOCK - Data/clock physical layer
	118	* ISP_CCP2_PHY_DATA_STROBE - Data/strobe physical layer
	119	* @vpclk_div: Video port output clock control
	120	*/
	121	struct isp_ccp2_platform_data {
	122	unsigned int strobe_clk_pol:1;
	123	unsigned int crc:1;
	124	unsigned int ccp2_mode:1;
	125	unsigned int phy_layer:1;
	126	unsigned int vpclk_div:2;
fe6adc19	127	struct isp_csiphy_lanes_cfg lanecfg;
b98d32f7 LP	128	};
	129
	130	/**
	131	* struct isp_csi2_platform_data - CSI2 interface platform data
	132	* @crc: Enable the cyclic redundancy check
	133	* @vpclk_div: Video port output clock control
	134	*/
	135	struct isp_csi2_platform_data {
	136	unsigned crc:1;
	137	unsigned vpclk_div:2;
fe6adc19	138	struct isp_csiphy_lanes_cfg lanecfg;
b98d32f7 LP	139	};
	140
	141	struct isp_subdev_i2c_board_info {
	142	struct i2c_board_info *board_info;
	143	int i2c_adapter_id;
	144	};
	145
	146	struct isp_v4l2_subdevs_group {
	147	struct isp_subdev_i2c_board_info *subdevs;
	148	enum isp_interface_type interface;
	149	union {
	150	struct isp_parallel_platform_data parallel;
	151	struct isp_ccp2_platform_data ccp2;
	152	struct isp_csi2_platform_data csi2;
	153	} bus; /* gcc < 4.6.0 chokes on anonymous union initializers */
	154	};
	155
	156	struct isp_platform_data {
	157	struct isp_v4l2_subdevs_group *subdevs;
	158	void (set_constraints)(struct isp_device isp, bool enable);
	159	};
	160
	161	#endif /* __MEDIA_OMAP3ISP_H__ */