drivers/staging/media/atomisp/i2c/imx/common.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __COMMON_H__
   3 #define __COMMON_H__
   4
   5 #define MAX_FPS_OPTIONS_SUPPORTED       3
   6 #define I2C_MSG_LENGTH          0x2
   7 #define E2PROM_2ADDR 0x80000000
   8 #define E2PROM_ADDR_MASK 0x7fffffff
   9
  10 /* Defines for register writes and register array processing */
  11 #define IMX_BYTE_MAX    32
  12 #define IMX_SHORT_MAX   16
  13 #define I2C_RETRY_COUNT         5
  14 #define IMX_TOK_MASK    0xfff0
  15
  16 enum imx_tok_type {
  17         IMX_8BIT  = 0x0001,
  18         IMX_16BIT = 0x0002,
  19         IMX_TOK_TERM   = 0xf000,        /* terminating token for reg list */
  20         IMX_TOK_DELAY  = 0xfe00 /* delay token for reg list */
  21 };
  22
  23 /**
  24  * struct imx_reg - MI sensor  register format
  25  * @type: type of the register
  26  * @reg: 16-bit offset to register
  27  * @val: 8/16/32-bit register value
  28  *
  29  * Define a structure for sensor register initialization values
  30  */
  31 struct imx_reg {
  32         enum imx_tok_type type;
  33         u16 sreg;
  34         u32 val;        /* @set value for read/mod/write, @mask */
  35 };
  36
  37 struct imx_fps_setting {
  38         int fps;
  39         unsigned short pixels_per_line;
  40         unsigned short lines_per_frame;
  41         int mipi_freq;                  /* MIPI lane frequency in kHz */
  42         const struct imx_reg *regs; /* regs that the fps setting needs */
  43 };
  44
  45 struct imx_resolution {
  46         const struct imx_fps_setting fps_options[MAX_FPS_OPTIONS_SUPPORTED];
  47         u8 *desc;
  48         const struct imx_reg *regs;
  49         int res;
  50         int width;
  51         int height;
  52         int fps;
  53         unsigned short pixels_per_line;
  54         unsigned short lines_per_frame;
  55         int mipi_freq;                  /* MIPI lane frequency in kHz */
  56         unsigned short skip_frames;
  57         u8 bin_factor_x;
  58         u8 bin_factor_y;
  59         bool used;
  60 };
  61
  62 #define GROUPED_PARAMETER_HOLD_ENABLE  {IMX_8BIT, 0x0104, 0x1}
  63 #define GROUPED_PARAMETER_HOLD_DISABLE  {IMX_8BIT, 0x0104, 0x0}
  64
  65 int imx_write_reg(struct i2c_client *client, u16 data_length, u16 reg, u16 val);
  66 #endif