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kernel-fxtec-pro1x/drivers/mfd/stmpe.h
Viresh Kumar 7f7f4ea15e mfd: Add support for stmpe variant 801 
STMPE801 is a GPIO expander. Registers for 801 are much different from other
variants. This patch adds support for STMPE801 in stmpe mfd driver.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@st.com>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-01-09 00:37:44 +01:00

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6.9 KiB
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/*
* Copyright (C) ST-Ericsson SA 2010
*
* License Terms: GNU General Public License, version 2
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
*/
#ifndef __STMPE_H
#define __STMPE_H
#include <linux/device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/stmpe.h>
#include <linux/printk.h>
#include <linux/types.h>
extern const struct dev_pm_ops stmpe_dev_pm_ops;
#ifdef STMPE_DUMP_BYTES
static inline void stmpe_dump_bytes(const char *str, const void *buf,
size_t len)
{
print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
}
#else
static inline void stmpe_dump_bytes(const char *str, const void *buf,
size_t len)
{
}
#endif
/**
* struct stmpe_variant_block - information about block
* @cell: base mfd cell
* @irq: interrupt number to be added to each IORESOURCE_IRQ
* in the cell
* @block: block id; used for identification with platform data and for
* enable and altfunc callbacks
*/
struct stmpe_variant_block {
struct mfd_cell *cell;
int irq;
enum stmpe_block block;
};
/**
* struct stmpe_variant_info - variant-specific information
* @name: part name
* @id_val: content of CHIPID register
* @id_mask: bits valid in CHIPID register for comparison with id_val
* @num_gpios: number of GPIOS
* @af_bits: number of bits used to specify the alternate function
* @regs: variant specific registers.
* @blocks: list of blocks present on this device
* @num_blocks: number of blocks present on this device
* @num_irqs: number of internal IRQs available on this device
* @enable: callback to enable the specified blocks.
* Called with the I/O lock held.
* @get_altfunc: callback to get the alternate function number for the
* specific block
* @enable_autosleep: callback to configure autosleep with specified timeout
*/
struct stmpe_variant_info {
const char *name;
u16 id_val;
u16 id_mask;
int num_gpios;
int af_bits;
const u8 *regs;
struct stmpe_variant_block *blocks;
int num_blocks;
int num_irqs;
int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
};
/**
* struct stmpe_client_info - i2c or spi specific routines/info
* @data: client specific data
* @read_byte: read single byte
* @write_byte: write single byte
* @read_block: read block or multiple bytes
* @write_block: write block or multiple bytes
* @init: client init routine, called during probe
*/
struct stmpe_client_info {
void *data;
int irq;
void *client;
struct device *dev;
int (*read_byte)(struct stmpe *stmpe, u8 reg);
int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val);
int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values);
int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len,
const u8 *values);
void (*init)(struct stmpe *stmpe);
};
int stmpe_probe(struct stmpe_client_info *ci, int partnum);
int stmpe_remove(struct stmpe *stmpe);
#define STMPE_ICR_LSB_HIGH (1 << 2)
#define STMPE_ICR_LSB_EDGE (1 << 1)
#define STMPE_ICR_LSB_GIM (1 << 0)
/*
* STMPE801
*/
#define STMPE801_ID 0x0108
#define STMPE801_NR_INTERNAL_IRQS 1
#define STMPE801_REG_CHIP_ID 0x00
#define STMPE801_REG_VERSION_ID 0x02
#define STMPE801_REG_SYS_CTRL 0x04
#define STMPE801_REG_GPIO_INT_EN 0x08
#define STMPE801_REG_GPIO_INT_STA 0x09
#define STMPE801_REG_GPIO_MP_STA 0x10
#define STMPE801_REG_GPIO_SET_PIN 0x11
#define STMPE801_REG_GPIO_DIR 0x12
#define STMPE801_REG_SYS_CTRL_RESET (1 << 7)
#define STMPE801_REG_SYS_CTRL_INT_EN (1 << 2)
#define STMPE801_REG_SYS_CTRL_INT_HI (1 << 0)
/*
* STMPE811
*/
#define STMPE811_IRQ_TOUCH_DET 0
#define STMPE811_IRQ_FIFO_TH 1
#define STMPE811_IRQ_FIFO_OFLOW 2
#define STMPE811_IRQ_FIFO_FULL 3
#define STMPE811_IRQ_FIFO_EMPTY 4
#define STMPE811_IRQ_TEMP_SENS 5
#define STMPE811_IRQ_ADC 6
#define STMPE811_IRQ_GPIOC 7
#define STMPE811_NR_INTERNAL_IRQS 8
#define STMPE811_REG_CHIP_ID 0x00
#define STMPE811_REG_SYS_CTRL2 0x04
#define STMPE811_REG_SPI_CFG 0x08
#define STMPE811_REG_INT_CTRL 0x09
#define STMPE811_REG_INT_EN 0x0A
#define STMPE811_REG_INT_STA 0x0B
#define STMPE811_REG_GPIO_INT_EN 0x0C
#define STMPE811_REG_GPIO_INT_STA 0x0D
#define STMPE811_REG_GPIO_SET_PIN 0x10
#define STMPE811_REG_GPIO_CLR_PIN 0x11
#define STMPE811_REG_GPIO_MP_STA 0x12
#define STMPE811_REG_GPIO_DIR 0x13
#define STMPE811_REG_GPIO_ED 0x14
#define STMPE811_REG_GPIO_RE 0x15
#define STMPE811_REG_GPIO_FE 0x16
#define STMPE811_REG_GPIO_AF 0x17
#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0)
#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1)
#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2)
#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3)
/*
* STMPE1601
*/
#define STMPE1601_IRQ_GPIOC 8
#define STMPE1601_IRQ_PWM3 7
#define STMPE1601_IRQ_PWM2 6
#define STMPE1601_IRQ_PWM1 5
#define STMPE1601_IRQ_PWM0 4
#define STMPE1601_IRQ_KEYPAD_OVER 2
#define STMPE1601_IRQ_KEYPAD 1
#define STMPE1601_IRQ_WAKEUP 0
#define STMPE1601_NR_INTERNAL_IRQS 9
#define STMPE1601_REG_SYS_CTRL 0x02
#define STMPE1601_REG_SYS_CTRL2 0x03
#define STMPE1601_REG_ICR_LSB 0x11
#define STMPE1601_REG_IER_LSB 0x13
#define STMPE1601_REG_ISR_MSB 0x14
#define STMPE1601_REG_CHIP_ID 0x80
#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17
#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18
#define STMPE1601_REG_GPIO_MP_LSB 0x87
#define STMPE1601_REG_GPIO_SET_LSB 0x83
#define STMPE1601_REG_GPIO_CLR_LSB 0x85
#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89
#define STMPE1601_REG_GPIO_ED_MSB 0x8A
#define STMPE1601_REG_GPIO_RE_LSB 0x8D
#define STMPE1601_REG_GPIO_FE_LSB 0x8F
#define STMPE1601_REG_GPIO_AF_U_MSB 0x92
#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1)
#define STMPE1601_SYSCON_ENABLE_SPWM (1 << 0)
/* The 1601/2403 share the same masks */
#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7)
#define STPME1601_AUTOSLEEP_ENABLE (1 << 3)
/*
* STMPE24xx
*/
#define STMPE24XX_IRQ_GPIOC 8
#define STMPE24XX_IRQ_PWM2 7
#define STMPE24XX_IRQ_PWM1 6
#define STMPE24XX_IRQ_PWM0 5
#define STMPE24XX_IRQ_ROT_OVER 4
#define STMPE24XX_IRQ_ROT 3
#define STMPE24XX_IRQ_KEYPAD_OVER 2
#define STMPE24XX_IRQ_KEYPAD 1
#define STMPE24XX_IRQ_WAKEUP 0
#define STMPE24XX_NR_INTERNAL_IRQS 9
#define STMPE24XX_REG_SYS_CTRL 0x02
#define STMPE24XX_REG_ICR_LSB 0x11
#define STMPE24XX_REG_IER_LSB 0x13
#define STMPE24XX_REG_ISR_MSB 0x14
#define STMPE24XX_REG_CHIP_ID 0x80
#define STMPE24XX_REG_IEGPIOR_LSB 0x18
#define STMPE24XX_REG_ISGPIOR_MSB 0x19
#define STMPE24XX_REG_GPMR_LSB 0xA5
#define STMPE24XX_REG_GPSR_LSB 0x85
#define STMPE24XX_REG_GPCR_LSB 0x88
#define STMPE24XX_REG_GPDR_LSB 0x8B
#define STMPE24XX_REG_GPEDR_MSB 0x8C
#define STMPE24XX_REG_GPRER_LSB 0x91
#define STMPE24XX_REG_GPFER_LSB 0x94
#define STMPE24XX_REG_GPAFR_U_MSB 0x9B
#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2)
#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1)
#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0)
#endif
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