drivers/media/i2c/et8ek8/et8ek8_reg.h

   1 /*
   2  * et8ek8_reg.h
   3  *
   4  * Copyright (C) 2008 Nokia Corporation
   5  *
   6  * Contact: Sakari Ailus <sakari.ailus@iki.fi>
   7  *          Tuukka Toivonen <tuukkat76@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  */
  18
  19 #ifndef ET8EK8REGS_H
  20 #define ET8EK8REGS_H
  21
  22 #include <linux/i2c.h>
  23 #include <linux/types.h>
  24 #include <linux/videodev2.h>
  25 #include <linux/v4l2-subdev.h>
  26
  27 struct v4l2_mbus_framefmt;
  28 struct v4l2_subdev_pad_mbus_code_enum;
  29
  30 struct et8ek8_mode {
  31         /* Physical sensor resolution and current image window */
  32         u16 sensor_width;
  33         u16 sensor_height;
  34         u16 sensor_window_origin_x;
  35         u16 sensor_window_origin_y;
  36         u16 sensor_window_width;
  37         u16 sensor_window_height;
  38
  39         /* Image data coming from sensor (after scaling) */
  40         u16 width;
  41         u16 height;
  42         u16 window_origin_x;
  43         u16 window_origin_y;
  44         u16 window_width;
  45         u16 window_height;
  46
  47         u32 pixel_clock;                /* in Hz */
  48         u32 ext_clock;                  /* in Hz */
  49         struct v4l2_fract timeperframe;
  50         u32 max_exp;                    /* Maximum exposure value */
  51         u32 bus_format;                 /* MEDIA_BUS_FMT_ */
  52         u32 sensitivity;                /* 16.16 fixed point */
  53 };
  54
  55 #define ET8EK8_REG_8BIT                 1
  56 #define ET8EK8_REG_16BIT                2
  57 #define ET8EK8_REG_DELAY                100
  58 #define ET8EK8_REG_TERM                 0xff
  59 struct et8ek8_reg {
  60         u16 type;
  61         u16 reg;                        /* 16-bit offset */
  62         u32 val;                        /* 8/16/32-bit value */
  63 };
  64
  65 /* Possible struct smia_reglist types. */
  66 #define ET8EK8_REGLIST_STANDBY          0
  67 #define ET8EK8_REGLIST_POWERON          1
  68 #define ET8EK8_REGLIST_RESUME           2
  69 #define ET8EK8_REGLIST_STREAMON         3
  70 #define ET8EK8_REGLIST_STREAMOFF        4
  71 #define ET8EK8_REGLIST_DISABLED         5
  72
  73 #define ET8EK8_REGLIST_MODE             10
  74
  75 #define ET8EK8_REGLIST_LSC_ENABLE       100
  76 #define ET8EK8_REGLIST_LSC_DISABLE      101
  77 #define ET8EK8_REGLIST_ANR_ENABLE       102
  78 #define ET8EK8_REGLIST_ANR_DISABLE      103
  79
  80 struct et8ek8_reglist {
  81         u32 type;
  82         struct et8ek8_mode mode;
  83         struct et8ek8_reg regs[];
  84 };
  85
  86 #define ET8EK8_MAX_LEN                  32
  87 struct et8ek8_meta_reglist {
  88         char version[ET8EK8_MAX_LEN];
  89         union {
  90                 struct et8ek8_reglist *ptr;
  91         } reglist[];
  92 };
  93
  94 extern struct et8ek8_meta_reglist meta_reglist;
  95
  96 #endif /* ET8EK8REGS */