include/linux/mfd/tc3589x.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * License Terms: GNU General Public License, version 2
   5  */
   6
   7 #ifndef __LINUX_MFD_TC3589x_H
   8 #define __LINUX_MFD_TC3589x_H
   9
  10 #include <linux/device.h>
  11
  12 enum tx3589x_block {
  13         TC3589x_BLOCK_GPIO        = 1 << 0,
  14         TC3589x_BLOCK_KEYPAD      = 1 << 1,
  15 };
  16
  17 #define TC3589x_RSTCTRL_IRQRST  (1 << 4)
  18 #define TC3589x_RSTCTRL_TIMRST  (1 << 3)
  19 #define TC3589x_RSTCTRL_ROTRST  (1 << 2)
  20 #define TC3589x_RSTCTRL_KBDRST  (1 << 1)
  21 #define TC3589x_RSTCTRL_GPIRST  (1 << 0)
  22
  23 /* Keyboard Configuration Registers */
  24 #define TC3589x_KBDSETTLE_REG   0x01
  25 #define TC3589x_KBDBOUNCE       0x02
  26 #define TC3589x_KBDSIZE         0x03
  27 #define TC3589x_KBCFG_LSB       0x04
  28 #define TC3589x_KBCFG_MSB       0x05
  29 #define TC3589x_KBDIC           0x08
  30 #define TC3589x_KBDMSK          0x09
  31 #define TC3589x_EVTCODE_FIFO    0x10
  32 #define TC3589x_KBDMFS          0x8F
  33
  34 #define TC3589x_IRQST           0x91
  35
  36 #define TC3589x_MANFCODE_MAGIC  0x03
  37 #define TC3589x_MANFCODE        0x80
  38 #define TC3589x_VERSION         0x81
  39 #define TC3589x_IOCFG           0xA7
  40
  41 #define TC3589x_CLKMODE         0x88
  42 #define TC3589x_CLKCFG          0x89
  43 #define TC3589x_CLKEN           0x8A
  44
  45 #define TC3589x_RSTCTRL         0x82
  46 #define TC3589x_EXTRSTN         0x83
  47 #define TC3589x_RSTINTCLR       0x84
  48
  49 /* Pull up/down configuration registers */
  50 #define TC3589x_IOCFG           0xA7
  51 #define TC3589x_IOPULLCFG0_LSB  0xAA
  52 #define TC3589x_IOPULLCFG0_MSB  0xAB
  53 #define TC3589x_IOPULLCFG1_LSB  0xAC
  54 #define TC3589x_IOPULLCFG1_MSB  0xAD
  55 #define TC3589x_IOPULLCFG2_LSB  0xAE
  56
  57 #define TC3589x_GPIOIS0         0xC9
  58 #define TC3589x_GPIOIS1         0xCA
  59 #define TC3589x_GPIOIS2         0xCB
  60 #define TC3589x_GPIOIBE0        0xCC
  61 #define TC3589x_GPIOIBE1        0xCD
  62 #define TC3589x_GPIOIBE2        0xCE
  63 #define TC3589x_GPIOIEV0        0xCF
  64 #define TC3589x_GPIOIEV1        0xD0
  65 #define TC3589x_GPIOIEV2        0xD1
  66 #define TC3589x_GPIOIE0         0xD2
  67 #define TC3589x_GPIOIE1         0xD3
  68 #define TC3589x_GPIOIE2         0xD4
  69 #define TC3589x_GPIORIS0        0xD6
  70 #define TC3589x_GPIORIS1        0xD7
  71 #define TC3589x_GPIORIS2        0xD8
  72 #define TC3589x_GPIOMIS0        0xD9
  73 #define TC3589x_GPIOMIS1        0xDA
  74 #define TC3589x_GPIOMIS2        0xDB
  75 #define TC3589x_GPIOIC0         0xDC
  76 #define TC3589x_GPIOIC1         0xDD
  77 #define TC3589x_GPIOIC2         0xDE
  78
  79 #define TC3589x_GPIODATA0       0xC0
  80 #define TC3589x_GPIOMASK0       0xc1
  81 #define TC3589x_GPIODATA1       0xC2
  82 #define TC3589x_GPIOMASK1       0xc3
  83 #define TC3589x_GPIODATA2       0xC4
  84 #define TC3589x_GPIOMASK2       0xC5
  85
  86 #define TC3589x_GPIODIR0        0xC6
  87 #define TC3589x_GPIODIR1        0xC7
  88 #define TC3589x_GPIODIR2        0xC8
  89
  90 #define TC3589x_GPIOSYNC0       0xE6
  91 #define TC3589x_GPIOSYNC1       0xE7
  92 #define TC3589x_GPIOSYNC2       0xE8
  93
  94 #define TC3589x_GPIOWAKE0       0xE9
  95 #define TC3589x_GPIOWAKE1       0xEA
  96 #define TC3589x_GPIOWAKE2       0xEB
  97
  98 #define TC3589x_GPIOODM0        0xE0
  99 #define TC3589x_GPIOODE0        0xE1
 100 #define TC3589x_GPIOODM1        0xE2
 101 #define TC3589x_GPIOODE1        0xE3
 102 #define TC3589x_GPIOODM2        0xE4
 103 #define TC3589x_GPIOODE2        0xE5
 104
 105 #define TC3589x_INT_GPIIRQ      0
 106 #define TC3589x_INT_TI0IRQ      1
 107 #define TC3589x_INT_TI1IRQ      2
 108 #define TC3589x_INT_TI2IRQ      3
 109 #define TC3589x_INT_ROTIRQ      5
 110 #define TC3589x_INT_KBDIRQ      6
 111 #define TC3589x_INT_PORIRQ      7
 112
 113 #define TC3589x_NR_INTERNAL_IRQS        8
 114 #define TC3589x_INT_GPIO(x)     (TC3589x_NR_INTERNAL_IRQS + (x))
 115
 116 struct tc3589x {
 117         struct mutex lock;
 118         struct device *dev;
 119         struct i2c_client *i2c;
 120
 121         int irq_base;
 122         int num_gpio;
 123         struct tc3589x_platform_data *pdata;
 124 };
 125
 126 extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
 127 extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
 128 extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
 129                               u8 *values);
 130 extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
 131                                const u8 *values);
 132 extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
 133
 134 /*
 135  * Keypad related platform specific constants
 136  * These values may be modified for fine tuning
 137  */
 138 #define TC_KPD_ROWS             0x8
 139 #define TC_KPD_COLUMNS          0x8
 140 #define TC_KPD_DEBOUNCE_PERIOD  0xA3
 141 #define TC_KPD_SETTLE_TIME      0xA3
 142
 143 /**
 144  * struct tc35893_platform_data - data structure for platform specific data
 145  * @keymap_data:        matrix scan code table for keycodes
 146  * @krow:               mask for available rows, value is 0xFF
 147  * @kcol:               mask for available columns, value is 0xFF
 148  * @debounce_period:    platform specific debounce time
 149  * @settle_time:        platform specific settle down time
 150  * @irqtype:            type of interrupt, falling or rising edge
 151  * @enable_wakeup:      specifies if keypad event can wake up system from sleep
 152  * @no_autorepeat:      flag for auto repetition
 153  */
 154 struct tc3589x_keypad_platform_data {
 155         const struct matrix_keymap_data *keymap_data;
 156         u8                      krow;
 157         u8                      kcol;
 158         u8                      debounce_period;
 159         u8                      settle_time;
 160         unsigned long           irqtype;
 161         bool                    enable_wakeup;
 162         bool                    no_autorepeat;
 163 };
 164
 165 /**
 166  * struct tc3589x_gpio_platform_data - TC3589x GPIO platform data
 167  * @gpio_base: first gpio number assigned to TC3589x.  A maximum of
 168  *             %TC3589x_NR_GPIOS GPIOs will be allocated.
 169  * @setup: callback for board-specific initialization
 170  * @remove: callback for board-specific teardown
 171  */
 172 struct tc3589x_gpio_platform_data {
 173         int gpio_base;
 174         void (*setup)(struct tc3589x *tc3589x, unsigned gpio_base);
 175         void (*remove)(struct tc3589x *tc3589x, unsigned gpio_base);
 176 };
 177
 178 /**
 179  * struct tc3589x_platform_data - TC3589x platform data
 180  * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
 181  * @irq_base: base IRQ number.  %TC3589x_NR_IRQS irqs will be used.
 182  * @gpio: GPIO-specific platform data
 183  * @keypad: keypad-specific platform data
 184  */
 185 struct tc3589x_platform_data {
 186         unsigned int block;
 187         int irq_base;
 188         struct tc3589x_gpio_platform_data *gpio;
 189         const struct tc3589x_keypad_platform_data *keypad;
 190 };
 191
 192 #define TC3589x_NR_GPIOS        24
 193 #define TC3589x_NR_IRQS         TC3589x_INT_GPIO(TC3589x_NR_GPIOS)
 194
 195 #endif