drivers/input/touchscreen/malata.h

   1 /*
   2  *  "MALATA" Cypress touchscreen driver
   3  *
   4  *  Copyright (C) 2008 LocoLabs LLC
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  published by the Free Software Foundation.
   9  */
  10  #define VERSION_1
  11 #ifdef VERSION_1
  12 /* I2C slave address */
  13 #define MALATA_I2C_SLAVE_ADDR           0x5c
  14
  15 /* I2C registers */
  16 #define MALATA_TOUCH_NUM                        0x00
  17 #define MALATA_TOUCH_OLD_NUM                    0x01
  18 #define MALATA_DATA_INFO                        0x02
  19 #define MALATA_POS_X0_LO                        0x02    /* 16-bit register, MSB */
  20 #define MALATA_POS_X0_HI                        0x03    /* 16-bit register, LSB */
  21 #define MALATA_POS_Y0_LO                        0x04    /* 16-bit register, MSB */
  22 #define MALATA_POS_Y0_HI                        0x05    /* 16-bit register, LSB */
  23 #define MALATA_POS_X1_LO                        0x06    /* 16-bit register, MSB */
  24 #define MALATA_POS_X1_HI                        0x07    /* 16-bit register, LSB */
  25 #define MALATA_POS_Y1_LO                        0x08    /* 16-bit register, MSB */
  26 #define MALATA_POS_Y1_HI                        0x09    /* 16-bit register, LSB */
  27 #define MALATA_POS_PRESSURE                     0x12
  28 #define MALATA_DATA_END                         0x12
  29 #define MALATA_POWER_MODE                       0x14
  30 #define MALATA_INT_MODE                         0x15
  31 #define MALATA_SPECOP                           0x37
  32 #define MALATA_EEPROM_READ                      0x01
  33 #define MALATA_EEPROM_WRITE                     0x02
  34 #define MALATA_EEPROM_READ_ADDR                 0x38    /* 16-bit register */
  35 #define MALATA_RESOLUTION_X_LO                  0x3d    /* 8-bit register */
  36 #define MALATA_RESOLUTION_X_HI                  0x01    /* 8-bit register */
  37 #define MALATA_RESOLUTION_Y_LO                  0x3f    /* 8-bit register */
  38 #define MALATA_RESOLUTION_Y_HI                  0x01    /* 8-bit register */
  39
  40 #else
  41
  42 #define MALATA_I2C_SLAVE_ADDR           0x34
  43
  44 /* I2C registers */
  45 #define MALATA_TOUCH-NUM                        0x00
  46 #define MALATA_DATA_INFO                        0x00
  47 #define MALATA_POS_X0_LO                        0x03    /* 16-bit register, MSB */
  48 #define MALATA_POS_X0_HI                        0x04    /* 16-bit register, LSB */
  49 #define MALATA_POS_Y0_LO                        0x05    /* 16-bit register, MSB */
  50 #define MALATA_POS_Y0_HI                        0x06    /* 16-bit register, LSB */
  51 #define MALATA_POS_X1_LO                        0x09    /* 16-bit register, MSB */
  52 #define MALATA_POS_X1_HI                        0x0a    /* 16-bit register, LSB */
  53 #define MALATA_POS_Y1_LO                        0x0b    /* 16-bit register, MSB */
  54 #define MALATA_POS_Y1_HI                        0x0c    /* 16-bit register, LSB */
  55 #define MALATA_DATA_END                         0x0c
  56
  57 #endif
  58
  59
  60 #define MALATA_IRQ_PERIOD               (26 * 1000000) /* ns delay between interrupts */
  61
  62 struct malata_data {
  63         struct i2c_client               *client;
  64         struct workqueue_struct         *workq;
  65         struct input_dev                *input;
  66         struct hrtimer                  timer;
  67         int                             irq;
  68         u32                             dx;
  69         u32                             dy;
  70         u32                             width;
  71         u16                             x0;
  72         u16                             y0;
  73         u16                             x1;
  74         u16                             y1;
  75         u8                              z;
  76 };