1 /* 2 * Copyright (C) ST-Ericsson SA 2010 3 * 4 * License Terms: GNU General Public License, version 2 5 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson 6 */ 7 8 #ifndef __STMPE_H 9 #define __STMPE_H 10 11 #include <linux/device.h> 12 #include <linux/mfd/core.h> 13 #include <linux/mfd/stmpe.h> 14 #include <linux/printk.h> 15 #include <linux/types.h> 16 17 extern const struct dev_pm_ops stmpe_dev_pm_ops; 18 19 #ifdef STMPE_DUMP_BYTES 20 static inline void stmpe_dump_bytes(const char *str, const void *buf, 21 size_t len) 22 { 23 print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len); 24 } 25 #else 26 static inline void stmpe_dump_bytes(const char *str, const void *buf, 27 size_t len) 28 { 29 } 30 #endif 31 32 /** 33 * struct stmpe_variant_block - information about block 34 * @cell: base mfd cell 35 * @irq: interrupt number to be added to each IORESOURCE_IRQ 36 * in the cell 37 * @block: block id; used for identification with platform data and for 38 * enable and altfunc callbacks 39 */ 40 struct stmpe_variant_block { 41 struct mfd_cell *cell; 42 int irq; 43 enum stmpe_block block; 44 }; 45 46 /** 47 * struct stmpe_variant_info - variant-specific information 48 * @name: part name 49 * @id_val: content of CHIPID register 50 * @id_mask: bits valid in CHIPID register for comparison with id_val 51 * @num_gpios: number of GPIOS 52 * @af_bits: number of bits used to specify the alternate function 53 * @regs: variant specific registers. 54 * @blocks: list of blocks present on this device 55 * @num_blocks: number of blocks present on this device 56 * @num_irqs: number of internal IRQs available on this device 57 * @enable: callback to enable the specified blocks. 58 * Called with the I/O lock held. 59 * @get_altfunc: callback to get the alternate function number for the 60 * specific block 61 * @enable_autosleep: callback to configure autosleep with specified timeout 62 */ 63 struct stmpe_variant_info { 64 const char *name; 65 u16 id_val; 66 u16 id_mask; 67 int num_gpios; 68 int af_bits; 69 const u8 *regs; 70 struct stmpe_variant_block *blocks; 71 int num_blocks; 72 int num_irqs; 73 int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable); 74 int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block); 75 int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout); 76 }; 77 78 /** 79 * struct stmpe_client_info - i2c or spi specific routines/info 80 * @data: client specific data 81 * @read_byte: read single byte 82 * @write_byte: write single byte 83 * @read_block: read block or multiple bytes 84 * @write_block: write block or multiple bytes 85 * @init: client init routine, called during probe 86 */ 87 struct stmpe_client_info { 88 void *data; 89 int irq; 90 void *client; 91 struct device *dev; 92 int (*read_byte)(struct stmpe *stmpe, u8 reg); 93 int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val); 94 int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values); 95 int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len, 96 const u8 *values); 97 void (*init)(struct stmpe *stmpe); 98 }; 99 100 int stmpe_probe(struct stmpe_client_info *ci, int partnum); 101 int stmpe_remove(struct stmpe *stmpe); 102 103 #define STMPE_ICR_LSB_HIGH (1 << 2) 104 #define STMPE_ICR_LSB_EDGE (1 << 1) 105 #define STMPE_ICR_LSB_GIM (1 << 0) 106 107 /* 108 * STMPE811 109 */ 110 111 #define STMPE811_IRQ_TOUCH_DET 0 112 #define STMPE811_IRQ_FIFO_TH 1 113 #define STMPE811_IRQ_FIFO_OFLOW 2 114 #define STMPE811_IRQ_FIFO_FULL 3 115 #define STMPE811_IRQ_FIFO_EMPTY 4 116 #define STMPE811_IRQ_TEMP_SENS 5 117 #define STMPE811_IRQ_ADC 6 118 #define STMPE811_IRQ_GPIOC 7 119 #define STMPE811_NR_INTERNAL_IRQS 8 120 121 #define STMPE811_REG_CHIP_ID 0x00 122 #define STMPE811_REG_SYS_CTRL2 0x04 123 #define STMPE811_REG_SPI_CFG 0x08 124 #define STMPE811_REG_INT_CTRL 0x09 125 #define STMPE811_REG_INT_EN 0x0A 126 #define STMPE811_REG_INT_STA 0x0B 127 #define STMPE811_REG_GPIO_INT_EN 0x0C 128 #define STMPE811_REG_GPIO_INT_STA 0x0D 129 #define STMPE811_REG_GPIO_SET_PIN 0x10 130 #define STMPE811_REG_GPIO_CLR_PIN 0x11 131 #define STMPE811_REG_GPIO_MP_STA 0x12 132 #define STMPE811_REG_GPIO_DIR 0x13 133 #define STMPE811_REG_GPIO_ED 0x14 134 #define STMPE811_REG_GPIO_RE 0x15 135 #define STMPE811_REG_GPIO_FE 0x16 136 #define STMPE811_REG_GPIO_AF 0x17 137 138 #define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0) 139 #define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1) 140 #define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2) 141 #define STMPE811_SYS_CTRL2_TS_OFF (1 << 3) 142 143 /* 144 * STMPE1601 145 */ 146 147 #define STMPE1601_IRQ_GPIOC 8 148 #define STMPE1601_IRQ_PWM3 7 149 #define STMPE1601_IRQ_PWM2 6 150 #define STMPE1601_IRQ_PWM1 5 151 #define STMPE1601_IRQ_PWM0 4 152 #define STMPE1601_IRQ_KEYPAD_OVER 2 153 #define STMPE1601_IRQ_KEYPAD 1 154 #define STMPE1601_IRQ_WAKEUP 0 155 #define STMPE1601_NR_INTERNAL_IRQS 9 156 157 #define STMPE1601_REG_SYS_CTRL 0x02 158 #define STMPE1601_REG_SYS_CTRL2 0x03 159 #define STMPE1601_REG_ICR_LSB 0x11 160 #define STMPE1601_REG_IER_LSB 0x13 161 #define STMPE1601_REG_ISR_MSB 0x14 162 #define STMPE1601_REG_CHIP_ID 0x80 163 #define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17 164 #define STMPE1601_REG_INT_STA_GPIO_MSB 0x18 165 #define STMPE1601_REG_GPIO_MP_LSB 0x87 166 #define STMPE1601_REG_GPIO_SET_LSB 0x83 167 #define STMPE1601_REG_GPIO_CLR_LSB 0x85 168 #define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89 169 #define STMPE1601_REG_GPIO_ED_MSB 0x8A 170 #define STMPE1601_REG_GPIO_RE_LSB 0x8D 171 #define STMPE1601_REG_GPIO_FE_LSB 0x8F 172 #define STMPE1601_REG_GPIO_AF_U_MSB 0x92 173 174 #define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3) 175 #define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1) 176 #define STMPE1601_SYSCON_ENABLE_SPWM (1 << 0) 177 178 /* The 1601/2403 share the same masks */ 179 #define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7) 180 #define STPME1601_AUTOSLEEP_ENABLE (1 << 3) 181 182 /* 183 * STMPE24xx 184 */ 185 186 #define STMPE24XX_IRQ_GPIOC 8 187 #define STMPE24XX_IRQ_PWM2 7 188 #define STMPE24XX_IRQ_PWM1 6 189 #define STMPE24XX_IRQ_PWM0 5 190 #define STMPE24XX_IRQ_ROT_OVER 4 191 #define STMPE24XX_IRQ_ROT 3 192 #define STMPE24XX_IRQ_KEYPAD_OVER 2 193 #define STMPE24XX_IRQ_KEYPAD 1 194 #define STMPE24XX_IRQ_WAKEUP 0 195 #define STMPE24XX_NR_INTERNAL_IRQS 9 196 197 #define STMPE24XX_REG_SYS_CTRL 0x02 198 #define STMPE24XX_REG_ICR_LSB 0x11 199 #define STMPE24XX_REG_IER_LSB 0x13 200 #define STMPE24XX_REG_ISR_MSB 0x14 201 #define STMPE24XX_REG_CHIP_ID 0x80 202 #define STMPE24XX_REG_IEGPIOR_LSB 0x18 203 #define STMPE24XX_REG_ISGPIOR_MSB 0x19 204 #define STMPE24XX_REG_GPMR_LSB 0xA5 205 #define STMPE24XX_REG_GPSR_LSB 0x85 206 #define STMPE24XX_REG_GPCR_LSB 0x88 207 #define STMPE24XX_REG_GPDR_LSB 0x8B 208 #define STMPE24XX_REG_GPEDR_MSB 0x8C 209 #define STMPE24XX_REG_GPRER_LSB 0x91 210 #define STMPE24XX_REG_GPFER_LSB 0x94 211 #define STMPE24XX_REG_GPAFR_U_MSB 0x9B 212 213 #define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3) 214 #define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2) 215 #define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1) 216 #define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0) 217 218 #endif 219