include/media/i2c/smiapp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * include/media/i2c/smiapp.h
   4  *
   5  * Generic driver for SMIA/SMIA++ compliant camera modules
   6  *
   7  * Copyright (C) 2011--2012 Nokia Corporation
   8  * Contact: Sakari Ailus <sakari.ailus@iki.fi>
   9  */
  10
  11 #ifndef __SMIAPP_H_
  12 #define __SMIAPP_H_
  13
  14 #include <media/v4l2-subdev.h>
  15
  16 #define SMIAPP_NAME             "smiapp"
  17
  18 #define SMIAPP_DFL_I2C_ADDR     (0x20 >> 1) /* Default I2C Address */
  19 #define SMIAPP_ALT_I2C_ADDR     (0x6e >> 1) /* Alternate I2C Address */
  20
  21 #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK      0
  22 #define SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE     1
  23 #define SMIAPP_CSI_SIGNALLING_MODE_CSI2                 2
  24
  25 /*
  26  * Sometimes due to board layout considerations the camera module can be
  27  * mounted rotated. The typical rotation used is 180 degrees which can be
  28  * corrected by giving a default H-FLIP and V-FLIP in the sensor readout.
  29  * FIXME: rotation also changes the bayer pattern.
  30  */
  31 enum smiapp_module_board_orient {
  32         SMIAPP_MODULE_BOARD_ORIENT_0 = 0,
  33         SMIAPP_MODULE_BOARD_ORIENT_180,
  34 };
  35
  36 struct smiapp_flash_strobe_parms {
  37         u8 mode;
  38         u32 strobe_width_high_us;
  39         u16 strobe_delay;
  40         u16 stobe_start_point;
  41         u8 trigger;
  42 };
  43
  44 struct smiapp_hwconfig {
  45         /*
  46          * Change the cci address if i2c_addr_alt is set.
  47          * Both default and alternate cci addr need to be present
  48          */
  49         unsigned short i2c_addr_dfl;    /* Default i2c addr */
  50         unsigned short i2c_addr_alt;    /* Alternate i2c addr */
  51
  52         uint32_t ext_clk;               /* sensor external clk */
  53
  54         unsigned int lanes;             /* Number of CSI-2 lanes */
  55         uint32_t csi_signalling_mode;   /* SMIAPP_CSI_SIGNALLING_MODE_* */
  56         uint64_t *op_sys_clock;
  57
  58         enum smiapp_module_board_orient module_board_orient;
  59
  60         struct smiapp_flash_strobe_parms *strobe_setup;
  61 };
  62
  63 #endif /* __SMIAPP_H_  */