/*
* include/media/smiapp.h
*
* Generic driver for SMIA/SMIA++ compliant camera modules
*
* Copyright (C) 2011--2012 Nokia Corporation
* Contact: Sakari Ailus <[email protected]>
*
* 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 __SMIAPP_H_
#define __SMIAPP_H_

#include <media/v4l2-subdev.h>

#define SMIAPP_NAME "smiapp"

#define SMIAPP_DFL_I2C_ADDR (0x20 >> 1) /* Default I2C Address */
#define SMIAPP_ALT_I2C_ADDR (0x6e >> 1) /* Alternate I2C Address */

#define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK 0
#define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE 1
#define SMIAPP_CSI_SIGNALLING_MODE_CSI2 2

#define SMIAPP_NO_XSHUTDOWN -1

/*
* Sometimes due to board layout considerations the camera module can be
* mounted rotated. The typical rotation used is 180 degrees which can be
* corrected by giving a default H-FLIP and V-FLIP in the sensor readout.
* FIXME: rotation also changes the bayer pattern.
*/
enum smiapp_module_board_orient {
SMIAPP_MODULE_BOARD_ORIENT_0 = 0,
SMIAPP_MODULE_BOARD_ORIENT_180,
};

struct smiapp_flash_strobe_parms {
u8 mode;
u32 strobe_width_high_us;
u16 strobe_delay;
u16 stobe_start_point;
u8 trigger;
};

struct smiapp_platform_data {
/*
* Change the cci address if i2c_addr_alt is set.
* Both default and alternate cci addr need to be present
*/
unsigned short i2c_addr_dfl; /* Default i2c addr */
unsigned short i2c_addr_alt; /* Alternate i2c addr */

unsigned int nvm_size; /* bytes */
unsigned int ext_clk; /* sensor external clk */

unsigned int lanes; /* Number of CSI-2 lanes */
u8 csi_signalling_mode; /* SMIAPP_CSI_SIGNALLING_MODE_* */
const s64 *op_sys_clock;

enum smiapp_module_board_orient module_board_orient;

struct smiapp_flash_strobe_parms *strobe_setup;

int (*set_xclk)(struct v4l2_subdev *sd, int hz);
int xshutdown; /* gpio or SMIAPP_NO_XSHUTDOWN */
};

#endif /* __SMIAPP_H_ */