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kernel/linux-imx6_3.14.28/include/linux/mfd/tc3589x.h 5.67 KB
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  /*
   * Copyright (C) ST-Ericsson SA 2010
   *
   * License Terms: GNU General Public License, version 2
   */
  
  #ifndef __LINUX_MFD_TC3589x_H
  #define __LINUX_MFD_TC3589x_H
  
  struct device;
  
  enum tx3589x_block {
  	TC3589x_BLOCK_GPIO        = 1 << 0,
  	TC3589x_BLOCK_KEYPAD      = 1 << 1,
  };
  
  #define TC3589x_RSTCTRL_IRQRST	(1 << 4)
  #define TC3589x_RSTCTRL_TIMRST	(1 << 3)
  #define TC3589x_RSTCTRL_ROTRST	(1 << 2)
  #define TC3589x_RSTCTRL_KBDRST	(1 << 1)
  #define TC3589x_RSTCTRL_GPIRST	(1 << 0)
  
  /* Keyboard Configuration Registers */
  #define TC3589x_KBDSETTLE_REG   0x01
  #define TC3589x_KBDBOUNCE       0x02
  #define TC3589x_KBDSIZE         0x03
  #define TC3589x_KBCFG_LSB       0x04
  #define TC3589x_KBCFG_MSB       0x05
  #define TC3589x_KBDIC           0x08
  #define TC3589x_KBDMSK          0x09
  #define TC3589x_EVTCODE_FIFO    0x10
  #define TC3589x_KBDMFS		0x8F
  
  #define TC3589x_IRQST		0x91
  
  #define TC3589x_MANFCODE_MAGIC	0x03
  #define TC3589x_MANFCODE	0x80
  #define TC3589x_VERSION		0x81
  #define TC3589x_IOCFG		0xA7
  
  #define TC3589x_CLKMODE		0x88
  #define TC3589x_CLKCFG		0x89
  #define TC3589x_CLKEN		0x8A
  
  #define TC3589x_RSTCTRL		0x82
  #define TC3589x_EXTRSTN		0x83
  #define TC3589x_RSTINTCLR	0x84
  
  /* Pull up/down configuration registers */
  #define TC3589x_IOCFG           0xA7
  #define TC3589x_IOPULLCFG0_LSB  0xAA
  #define TC3589x_IOPULLCFG0_MSB  0xAB
  #define TC3589x_IOPULLCFG1_LSB  0xAC
  #define TC3589x_IOPULLCFG1_MSB  0xAD
  #define TC3589x_IOPULLCFG2_LSB  0xAE
  
  #define TC3589x_GPIOIS0		0xC9
  #define TC3589x_GPIOIS1		0xCA
  #define TC3589x_GPIOIS2		0xCB
  #define TC3589x_GPIOIBE0	0xCC
  #define TC3589x_GPIOIBE1	0xCD
  #define TC3589x_GPIOIBE2	0xCE
  #define TC3589x_GPIOIEV0	0xCF
  #define TC3589x_GPIOIEV1	0xD0
  #define TC3589x_GPIOIEV2	0xD1
  #define TC3589x_GPIOIE0		0xD2
  #define TC3589x_GPIOIE1		0xD3
  #define TC3589x_GPIOIE2		0xD4
  #define TC3589x_GPIORIS0	0xD6
  #define TC3589x_GPIORIS1	0xD7
  #define TC3589x_GPIORIS2	0xD8
  #define TC3589x_GPIOMIS0	0xD9
  #define TC3589x_GPIOMIS1	0xDA
  #define TC3589x_GPIOMIS2	0xDB
  #define TC3589x_GPIOIC0		0xDC
  #define TC3589x_GPIOIC1		0xDD
  #define TC3589x_GPIOIC2		0xDE
  
  #define TC3589x_GPIODATA0	0xC0
  #define TC3589x_GPIOMASK0	0xc1
  #define TC3589x_GPIODATA1	0xC2
  #define TC3589x_GPIOMASK1	0xc3
  #define TC3589x_GPIODATA2	0xC4
  #define TC3589x_GPIOMASK2	0xC5
  
  #define TC3589x_GPIODIR0	0xC6
  #define TC3589x_GPIODIR1	0xC7
  #define TC3589x_GPIODIR2	0xC8
  
  #define TC3589x_GPIOSYNC0	0xE6
  #define TC3589x_GPIOSYNC1	0xE7
  #define TC3589x_GPIOSYNC2	0xE8
  
  #define TC3589x_GPIOWAKE0	0xE9
  #define TC3589x_GPIOWAKE1	0xEA
  #define TC3589x_GPIOWAKE2	0xEB
  
  #define TC3589x_GPIOODM0	0xE0
  #define TC3589x_GPIOODE0	0xE1
  #define TC3589x_GPIOODM1	0xE2
  #define TC3589x_GPIOODE1	0xE3
  #define TC3589x_GPIOODM2	0xE4
  #define TC3589x_GPIOODE2	0xE5
  
  #define TC3589x_INT_GPIIRQ	0
  #define TC3589x_INT_TI0IRQ	1
  #define TC3589x_INT_TI1IRQ	2
  #define TC3589x_INT_TI2IRQ	3
  #define TC3589x_INT_ROTIRQ	5
  #define TC3589x_INT_KBDIRQ	6
  #define TC3589x_INT_PORIRQ	7
  
  #define TC3589x_NR_INTERNAL_IRQS	8
  #define TC3589x_INT_GPIO(x)	(TC3589x_NR_INTERNAL_IRQS + (x))
  
  struct tc3589x {
  	struct mutex lock;
  	struct device *dev;
  	struct i2c_client *i2c;
  	struct irq_domain *domain;
  
  	int irq_base;
  	int num_gpio;
  	struct tc3589x_platform_data *pdata;
  };
  
  extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
  extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
  extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
  			      u8 *values);
  extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
  			       const u8 *values);
  extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
  
  /*
   * Keypad related platform specific constants
   * These values may be modified for fine tuning
   */
  #define TC_KPD_ROWS             0x8
  #define TC_KPD_COLUMNS          0x8
  #define TC_KPD_DEBOUNCE_PERIOD  0xA3
  #define TC_KPD_SETTLE_TIME      0xA3
  
  /**
   * struct tc35893_platform_data - data structure for platform specific data
   * @keymap_data:        matrix scan code table for keycodes
   * @krow:               mask for available rows, value is 0xFF
   * @kcol:               mask for available columns, value is 0xFF
   * @debounce_period:    platform specific debounce time
   * @settle_time:        platform specific settle down time
   * @irqtype:            type of interrupt, falling or rising edge
   * @enable_wakeup:      specifies if keypad event can wake up system from sleep
   * @no_autorepeat:      flag for auto repetition
   */
  struct tc3589x_keypad_platform_data {
  	const struct matrix_keymap_data *keymap_data;
  	u8                      krow;
  	u8                      kcol;
  	u8                      debounce_period;
  	u8                      settle_time;
  	unsigned long           irqtype;
  	bool                    enable_wakeup;
  	bool                    no_autorepeat;
  };
  
  /**
   * struct tc3589x_gpio_platform_data - TC3589x GPIO platform data
   * @gpio_base: first gpio number assigned to TC3589x.  A maximum of
   *	       %TC3589x_NR_GPIOS GPIOs will be allocated.
   * @setup: callback for board-specific initialization
   * @remove: callback for board-specific teardown
   */
  struct tc3589x_gpio_platform_data {
  	int gpio_base;
  	void (*setup)(struct tc3589x *tc3589x, unsigned gpio_base);
  	void (*remove)(struct tc3589x *tc3589x, unsigned gpio_base);
  };
  
  /**
   * struct tc3589x_platform_data - TC3589x platform data
   * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
   * @irq_base: base IRQ number.  %TC3589x_NR_IRQS irqs will be used.
   * @gpio: GPIO-specific platform data
   * @keypad: keypad-specific platform data
   */
  struct tc3589x_platform_data {
  	unsigned int block;
  	int irq_base;
  	struct tc3589x_gpio_platform_data *gpio;
  	const struct tc3589x_keypad_platform_data *keypad;
  };
  
  #define TC3589x_NR_GPIOS	24
  #define TC3589x_NR_IRQS		TC3589x_INT_GPIO(TC3589x_NR_GPIOS)
  
  #endif