Skip to content

O
odroidc2-kernel
Switch branch/tag
Find file
Normal viewHistoryPermalink
stmpe.h 8.6 KB
EditWeb IDE
Newer Older
Abhijith PA's avatar
initial commit
b0362247
 
Abhijith PA committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 
/*
 * 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 {
	const 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)

/*
 * STMPE1801
 */
#define STMPE1801_ID			0xc110
#define STMPE1801_NR_INTERNAL_IRQS	5
#define STMPE1801_IRQ_KEYPAD_COMBI	4
#define STMPE1801_IRQ_GPIOC		3
#define STMPE1801_IRQ_KEYPAD_OVER	2
#define STMPE1801_IRQ_KEYPAD		1
#define STMPE1801_IRQ_WAKEUP		0

#define STMPE1801_REG_CHIP_ID			0x00
#define STMPE1801_REG_SYS_CTRL			0x02
#define STMPE1801_REG_INT_CTRL_LOW		0x04
#define STMPE1801_REG_INT_EN_MASK_LOW		0x06
#define STMPE1801_REG_INT_STA_LOW		0x08
#define STMPE1801_REG_INT_EN_GPIO_MASK_LOW	0x0A
#define STMPE1801_REG_INT_EN_GPIO_MASK_MID	0x0B
#define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH	0x0C
#define STMPE1801_REG_INT_STA_GPIO_LOW		0x0D
#define STMPE1801_REG_INT_STA_GPIO_MID		0x0E
#define STMPE1801_REG_INT_STA_GPIO_HIGH		0x0F
#define STMPE1801_REG_GPIO_SET_LOW		0x10
#define STMPE1801_REG_GPIO_SET_MID		0x11
#define STMPE1801_REG_GPIO_SET_HIGH		0x12
#define STMPE1801_REG_GPIO_CLR_LOW		0x13
#define STMPE1801_REG_GPIO_CLR_MID		0x14
#define STMPE1801_REG_GPIO_CLR_HIGH		0x15
#define STMPE1801_REG_GPIO_MP_LOW		0x16
#define STMPE1801_REG_GPIO_MP_MID		0x17
#define STMPE1801_REG_GPIO_MP_HIGH		0x18
#define STMPE1801_REG_GPIO_SET_DIR_LOW		0x19
#define STMPE1801_REG_GPIO_SET_DIR_MID		0x1A
#define STMPE1801_REG_GPIO_SET_DIR_HIGH		0x1B
#define STMPE1801_REG_GPIO_RE_LOW		0x1C
#define STMPE1801_REG_GPIO_RE_MID		0x1D
#define STMPE1801_REG_GPIO_RE_HIGH		0x1E
#define STMPE1801_REG_GPIO_FE_LOW		0x1F
#define STMPE1801_REG_GPIO_FE_MID		0x20
#define STMPE1801_REG_GPIO_FE_HIGH		0x21
#define STMPE1801_REG_GPIO_PULL_UP_LOW		0x22
#define STMPE1801_REG_GPIO_PULL_UP_MID		0x23
#define STMPE1801_REG_GPIO_PULL_UP_HIGH		0x24

#define STMPE1801_MSK_SYS_CTRL_RESET		(1 << 7)

#define STMPE1801_MSK_INT_EN_KPC		(1 << 1)
#define STMPE1801_MSK_INT_EN_GPIO		(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