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Diffstat (limited to 'include/linux/i2c/twl4030.h')
| -rw-r--r-- | include/linux/i2c/twl4030.h | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h new file mode 100644 index 000000000000..cdb453162a97 --- /dev/null +++ b/include/linux/i2c/twl4030.h | |||
| @@ -0,0 +1,339 @@ | |||
| 1 | /* | ||
| 2 | * twl4030.h - header for TWL4030 PM and audio CODEC device | ||
| 3 | * | ||
| 4 | * Copyright (C) 2005-2006 Texas Instruments, Inc. | ||
| 5 | * | ||
| 6 | * Based on tlv320aic23.c: | ||
| 7 | * Copyright (c) by Kai Svahn <kai.svahn@nokia.com> | ||
| 8 | * | ||
| 9 | * This program is free software; you can redistribute it and/or modify | ||
| 10 | * it under the terms of the GNU General Public License as published by | ||
| 11 | * the Free Software Foundation; either version 2 of the License, or | ||
| 12 | * (at your option) any later version. | ||
| 13 | * | ||
| 14 | * This program is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 17 | * GNU General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU General Public License | ||
| 20 | * along with this program; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 22 | * | ||
| 23 | */ | ||
| 24 | |||
| 25 | #ifndef __TWL4030_H_ | ||
| 26 | #define __TWL4030_H_ | ||
| 27 | |||
| 28 | /* | ||
| 29 | * Using the twl4030 core we address registers using a pair | ||
| 30 | * { module id, relative register offset } | ||
| 31 | * which that core then maps to the relevant | ||
| 32 | * { i2c slave, absolute register address } | ||
| 33 | * | ||
| 34 | * The module IDs are meaningful only to the twl4030 core code, | ||
| 35 | * which uses them as array indices to look up the first register | ||
| 36 | * address each module uses within a given i2c slave. | ||
| 37 | */ | ||
| 38 | |||
| 39 | /* Slave 0 (i2c address 0x48) */ | ||
| 40 | #define TWL4030_MODULE_USB 0x00 | ||
| 41 | |||
| 42 | /* Slave 1 (i2c address 0x49) */ | ||
| 43 | #define TWL4030_MODULE_AUDIO_VOICE 0x01 | ||
| 44 | #define TWL4030_MODULE_GPIO 0x02 | ||
| 45 | #define TWL4030_MODULE_INTBR 0x03 | ||
| 46 | #define TWL4030_MODULE_PIH 0x04 | ||
| 47 | #define TWL4030_MODULE_TEST 0x05 | ||
| 48 | |||
| 49 | /* Slave 2 (i2c address 0x4a) */ | ||
| 50 | #define TWL4030_MODULE_KEYPAD 0x06 | ||
| 51 | #define TWL4030_MODULE_MADC 0x07 | ||
| 52 | #define TWL4030_MODULE_INTERRUPTS 0x08 | ||
| 53 | #define TWL4030_MODULE_LED 0x09 | ||
| 54 | #define TWL4030_MODULE_MAIN_CHARGE 0x0A | ||
| 55 | #define TWL4030_MODULE_PRECHARGE 0x0B | ||
| 56 | #define TWL4030_MODULE_PWM0 0x0C | ||
| 57 | #define TWL4030_MODULE_PWM1 0x0D | ||
| 58 | #define TWL4030_MODULE_PWMA 0x0E | ||
| 59 | #define TWL4030_MODULE_PWMB 0x0F | ||
| 60 | |||
| 61 | /* Slave 3 (i2c address 0x4b) */ | ||
| 62 | #define TWL4030_MODULE_BACKUP 0x10 | ||
| 63 | #define TWL4030_MODULE_INT 0x11 | ||
| 64 | #define TWL4030_MODULE_PM_MASTER 0x12 | ||
| 65 | #define TWL4030_MODULE_PM_RECEIVER 0x13 | ||
| 66 | #define TWL4030_MODULE_RTC 0x14 | ||
| 67 | #define TWL4030_MODULE_SECURED_REG 0x15 | ||
| 68 | |||
| 69 | /* | ||
| 70 | * Read and write single 8-bit registers | ||
| 71 | */ | ||
| 72 | int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg); | ||
| 73 | int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg); | ||
| 74 | |||
| 75 | /* | ||
| 76 | * Read and write several 8-bit registers at once. | ||
| 77 | * | ||
| 78 | * IMPORTANT: For twl4030_i2c_write(), allocate num_bytes + 1 | ||
| 79 | * for the value, and populate your data starting at offset 1. | ||
| 80 | */ | ||
| 81 | int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); | ||
| 82 | int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); | ||
| 83 | |||
| 84 | /*----------------------------------------------------------------------*/ | ||
| 85 | |||
| 86 | /* | ||
| 87 | * NOTE: at up to 1024 registers, this is a big chip. | ||
| 88 | * | ||
| 89 | * Avoid putting register declarations in this file, instead of into | ||
| 90 | * a driver-private file, unless some of the registers in a block | ||
| 91 | * need to be shared with other drivers. One example is blocks that | ||
| 92 | * have Secondary IRQ Handler (SIH) registers. | ||
| 93 | */ | ||
| 94 | |||
| 95 | #define TWL4030_SIH_CTRL_EXCLEN_MASK BIT(0) | ||
| 96 | #define TWL4030_SIH_CTRL_PENDDIS_MASK BIT(1) | ||
| 97 | #define TWL4030_SIH_CTRL_COR_MASK BIT(2) | ||
| 98 | |||
| 99 | /*----------------------------------------------------------------------*/ | ||
| 100 | |||
| 101 | /* | ||
| 102 | * GPIO Block Register offsets (use TWL4030_MODULE_GPIO) | ||
| 103 | */ | ||
| 104 | |||
| 105 | #define REG_GPIODATAIN1 0x0 | ||
| 106 | #define REG_GPIODATAIN2 0x1 | ||
| 107 | #define REG_GPIODATAIN3 0x2 | ||
| 108 | #define REG_GPIODATADIR1 0x3 | ||
| 109 | #define REG_GPIODATADIR2 0x4 | ||
| 110 | #define REG_GPIODATADIR3 0x5 | ||
| 111 | #define REG_GPIODATAOUT1 0x6 | ||
| 112 | #define REG_GPIODATAOUT2 0x7 | ||
| 113 | #define REG_GPIODATAOUT3 0x8 | ||
| 114 | #define REG_CLEARGPIODATAOUT1 0x9 | ||
| 115 | #define REG_CLEARGPIODATAOUT2 0xA | ||
| 116 | #define REG_CLEARGPIODATAOUT3 0xB | ||
| 117 | #define REG_SETGPIODATAOUT1 0xC | ||
| 118 | #define REG_SETGPIODATAOUT2 0xD | ||
| 119 | #define REG_SETGPIODATAOUT3 0xE | ||
| 120 | #define REG_GPIO_DEBEN1 0xF | ||
| 121 | #define REG_GPIO_DEBEN2 0x10 | ||
| 122 | #define REG_GPIO_DEBEN3 0x11 | ||
| 123 | #define REG_GPIO_CTRL 0x12 | ||
| 124 | #define REG_GPIOPUPDCTR1 0x13 | ||
| 125 | #define REG_GPIOPUPDCTR2 0x14 | ||
| 126 | #define REG_GPIOPUPDCTR3 0x15 | ||
| 127 | #define REG_GPIOPUPDCTR4 0x16 | ||
| 128 | #define REG_GPIOPUPDCTR5 0x17 | ||
| 129 | #define REG_GPIO_ISR1A 0x19 | ||
| 130 | #define REG_GPIO_ISR2A 0x1A | ||
| 131 | #define REG_GPIO_ISR3A 0x1B | ||
| 132 | #define REG_GPIO_IMR1A 0x1C | ||
| 133 | #define REG_GPIO_IMR2A 0x1D | ||
| 134 | #define REG_GPIO_IMR3A 0x1E | ||
| 135 | #define REG_GPIO_ISR1B 0x1F | ||
| 136 | #define REG_GPIO_ISR2B 0x20 | ||
| 137 | #define REG_GPIO_ISR3B 0x21 | ||
| 138 | #define REG_GPIO_IMR1B 0x22 | ||
| 139 | #define REG_GPIO_IMR2B 0x23 | ||
| 140 | #define REG_GPIO_IMR3B 0x24 | ||
| 141 | #define REG_GPIO_EDR1 0x28 | ||
| 142 | #define REG_GPIO_EDR2 0x29 | ||
| 143 | #define REG_GPIO_EDR3 0x2A | ||
| 144 | #define REG_GPIO_EDR4 0x2B | ||
| 145 | #define REG_GPIO_EDR5 0x2C | ||
| 146 | #define REG_GPIO_SIH_CTRL 0x2D | ||
| 147 | |||
| 148 | /* Up to 18 signals are available as GPIOs, when their | ||
| 149 | * pins are not assigned to another use (such as ULPI/USB). | ||
| 150 | */ | ||
| 151 | #define TWL4030_GPIO_MAX 18 | ||
| 152 | |||
| 153 | /*----------------------------------------------------------------------*/ | ||
| 154 | |||
| 155 | /* | ||
| 156 | * Keypad register offsets (use TWL4030_MODULE_KEYPAD) | ||
| 157 | * ... SIH/interrupt only | ||
| 158 | */ | ||
| 159 | |||
| 160 | #define TWL4030_KEYPAD_KEYP_ISR1 0x11 | ||
| 161 | #define TWL4030_KEYPAD_KEYP_IMR1 0x12 | ||
| 162 | #define TWL4030_KEYPAD_KEYP_ISR2 0x13 | ||
| 163 | #define TWL4030_KEYPAD_KEYP_IMR2 0x14 | ||
| 164 | #define TWL4030_KEYPAD_KEYP_SIR 0x15 /* test register */ | ||
| 165 | #define TWL4030_KEYPAD_KEYP_EDR 0x16 | ||
| 166 | #define TWL4030_KEYPAD_KEYP_SIH_CTRL 0x17 | ||
| 167 | |||
| 168 | /*----------------------------------------------------------------------*/ | ||
| 169 | |||
| 170 | /* | ||
| 171 | * Multichannel ADC register offsets (use TWL4030_MODULE_MADC) | ||
| 172 | * ... SIH/interrupt only | ||
| 173 | */ | ||
| 174 | |||
| 175 | #define TWL4030_MADC_ISR1 0x61 | ||
| 176 | #define TWL4030_MADC_IMR1 0x62 | ||
| 177 | #define TWL4030_MADC_ISR2 0x63 | ||
| 178 | #define TWL4030_MADC_IMR2 0x64 | ||
| 179 | #define TWL4030_MADC_SIR 0x65 /* test register */ | ||
| 180 | #define TWL4030_MADC_EDR 0x66 | ||
| 181 | #define TWL4030_MADC_SIH_CTRL 0x67 | ||
| 182 | |||
| 183 | /*----------------------------------------------------------------------*/ | ||
| 184 | |||
| 185 | /* | ||
| 186 | * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS) | ||
| 187 | */ | ||
| 188 | |||
| 189 | #define TWL4030_INTERRUPTS_BCIISR1A 0x0 | ||
| 190 | #define TWL4030_INTERRUPTS_BCIISR2A 0x1 | ||
| 191 | #define TWL4030_INTERRUPTS_BCIIMR1A 0x2 | ||
| 192 | #define TWL4030_INTERRUPTS_BCIIMR2A 0x3 | ||
| 193 | #define TWL4030_INTERRUPTS_BCIISR1B 0x4 | ||
| 194 | #define TWL4030_INTERRUPTS_BCIISR2B 0x5 | ||
| 195 | #define TWL4030_INTERRUPTS_BCIIMR1B 0x6 | ||
| 196 | #define TWL4030_INTERRUPTS_BCIIMR2B 0x7 | ||
| 197 | #define TWL4030_INTERRUPTS_BCISIR1 0x8 /* test register */ | ||
| 198 | #define TWL4030_INTERRUPTS_BCISIR2 0x9 /* test register */ | ||
| 199 | #define TWL4030_INTERRUPTS_BCIEDR1 0xa | ||
| 200 | #define TWL4030_INTERRUPTS_BCIEDR2 0xb | ||
| 201 | #define TWL4030_INTERRUPTS_BCIEDR3 0xc | ||
| 202 | #define TWL4030_INTERRUPTS_BCISIHCTRL 0xd | ||
| 203 | |||
| 204 | /*----------------------------------------------------------------------*/ | ||
| 205 | |||
| 206 | /* | ||
| 207 | * Power Interrupt block register offsets (use TWL4030_MODULE_INT) | ||
| 208 | */ | ||
| 209 | |||
| 210 | #define TWL4030_INT_PWR_ISR1 0x0 | ||
| 211 | #define TWL4030_INT_PWR_IMR1 0x1 | ||
| 212 | #define TWL4030_INT_PWR_ISR2 0x2 | ||
| 213 | #define TWL4030_INT_PWR_IMR2 0x3 | ||
| 214 | #define TWL4030_INT_PWR_SIR 0x4 /* test register */ | ||
| 215 | #define TWL4030_INT_PWR_EDR1 0x5 | ||
| 216 | #define TWL4030_INT_PWR_EDR2 0x6 | ||
| 217 | #define TWL4030_INT_PWR_SIH_CTRL 0x7 | ||
| 218 | |||
| 219 | /*----------------------------------------------------------------------*/ | ||
| 220 | |||
| 221 | struct twl4030_bci_platform_data { | ||
| 222 | int *battery_tmp_tbl; | ||
| 223 | unsigned int tblsize; | ||
| 224 | }; | ||
| 225 | |||
| 226 | /* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */ | ||
| 227 | struct twl4030_gpio_platform_data { | ||
| 228 | int gpio_base; | ||
| 229 | unsigned irq_base, irq_end; | ||
| 230 | |||
| 231 | /* For gpio-N, bit (1 << N) in "pullups" is set if that pullup | ||
| 232 | * should be enabled. Else, if that bit is set in "pulldowns", | ||
| 233 | * that pulldown is enabled. Don't waste power by letting any | ||
| 234 | * digital inputs float... | ||
| 235 | */ | ||
| 236 | u32 pullups; | ||
| 237 | u32 pulldowns; | ||
| 238 | |||
| 239 | int (*setup)(struct device *dev, | ||
| 240 | unsigned gpio, unsigned ngpio); | ||
| 241 | int (*teardown)(struct device *dev, | ||
| 242 | unsigned gpio, unsigned ngpio); | ||
| 243 | }; | ||
| 244 | |||
| 245 | struct twl4030_madc_platform_data { | ||
| 246 | int irq_line; | ||
| 247 | }; | ||
| 248 | |||
| 249 | struct twl4030_keypad_data { | ||
| 250 | int rows; | ||
| 251 | int cols; | ||
| 252 | int *keymap; | ||
| 253 | int irq; | ||
| 254 | unsigned int keymapsize; | ||
| 255 | unsigned int rep:1; | ||
| 256 | }; | ||
| 257 | |||
| 258 | enum twl4030_usb_mode { | ||
| 259 | T2_USB_MODE_ULPI = 1, | ||
| 260 | T2_USB_MODE_CEA2011_3PIN = 2, | ||
| 261 | }; | ||
| 262 | |||
| 263 | struct twl4030_usb_data { | ||
| 264 | enum twl4030_usb_mode usb_mode; | ||
| 265 | }; | ||
| 266 | |||
| 267 | struct twl4030_platform_data { | ||
| 268 | unsigned irq_base, irq_end; | ||
| 269 | struct twl4030_bci_platform_data *bci; | ||
| 270 | struct twl4030_gpio_platform_data *gpio; | ||
| 271 | struct twl4030_madc_platform_data *madc; | ||
| 272 | struct twl4030_keypad_data *keypad; | ||
| 273 | struct twl4030_usb_data *usb; | ||
| 274 | |||
| 275 | /* REVISIT more to come ... _nothing_ should be hard-wired */ | ||
| 276 | }; | ||
| 277 | |||
| 278 | /*----------------------------------------------------------------------*/ | ||
| 279 | |||
| 280 | /* | ||
| 281 | * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the | ||
| 282 | * IRQ data to subsidiary devices using platform device resources. | ||
| 283 | */ | ||
| 284 | |||
| 285 | /* IRQ information-need base */ | ||
| 286 | #include <mach/irqs.h> | ||
| 287 | /* TWL4030 interrupts */ | ||
| 288 | |||
| 289 | /* #define TWL4030_MODIRQ_GPIO (TWL4030_IRQ_BASE + 0) */ | ||
| 290 | #define TWL4030_MODIRQ_KEYPAD (TWL4030_IRQ_BASE + 1) | ||
| 291 | #define TWL4030_MODIRQ_BCI (TWL4030_IRQ_BASE + 2) | ||
| 292 | #define TWL4030_MODIRQ_MADC (TWL4030_IRQ_BASE + 3) | ||
| 293 | /* #define TWL4030_MODIRQ_USB (TWL4030_IRQ_BASE + 4) */ | ||
| 294 | #define TWL4030_MODIRQ_PWR (TWL4030_IRQ_BASE + 5) | ||
| 295 | |||
| 296 | #define TWL4030_PWRIRQ_PWRBTN (TWL4030_PWR_IRQ_BASE + 0) | ||
| 297 | #define TWL4030_PWRIRQ_CHG_PRES (TWL4030_PWR_IRQ_BASE + 1) | ||
| 298 | #define TWL4030_PWRIRQ_USB_PRES (TWL4030_PWR_IRQ_BASE + 2) | ||
| 299 | #define TWL4030_PWRIRQ_RTC (TWL4030_PWR_IRQ_BASE + 3) | ||
| 300 | #define TWL4030_PWRIRQ_HOT_DIE (TWL4030_PWR_IRQ_BASE + 4) | ||
| 301 | #define TWL4030_PWRIRQ_PWROK_TIMEOUT (TWL4030_PWR_IRQ_BASE + 5) | ||
| 302 | #define TWL4030_PWRIRQ_MBCHG (TWL4030_PWR_IRQ_BASE + 6) | ||
| 303 | #define TWL4030_PWRIRQ_SC_DETECT (TWL4030_PWR_IRQ_BASE + 7) | ||
| 304 | |||
| 305 | /* Rest are unsued currently*/ | ||
| 306 | |||
| 307 | /* Offsets to Power Registers */ | ||
| 308 | #define TWL4030_VDAC_DEV_GRP 0x3B | ||
| 309 | #define TWL4030_VDAC_DEDICATED 0x3E | ||
| 310 | #define TWL4030_VAUX1_DEV_GRP 0x17 | ||
| 311 | #define TWL4030_VAUX1_DEDICATED 0x1A | ||
| 312 | #define TWL4030_VAUX2_DEV_GRP 0x1B | ||
| 313 | #define TWL4030_VAUX2_DEDICATED 0x1E | ||
| 314 | #define TWL4030_VAUX3_DEV_GRP 0x1F | ||
| 315 | #define TWL4030_VAUX3_DEDICATED 0x22 | ||
| 316 | |||
| 317 | /* TWL4030 GPIO interrupt definitions */ | ||
| 318 | |||
| 319 | #define TWL4030_GPIO_IRQ_NO(n) (TWL4030_GPIO_IRQ_BASE + (n)) | ||
| 320 | #define TWL4030_GPIO_IS_ENABLE 1 | ||
| 321 | |||
| 322 | /* | ||
| 323 | * Exported TWL4030 GPIO APIs | ||
| 324 | * | ||
| 325 | * WARNING -- use standard GPIO and IRQ calls instead; these will vanish. | ||
| 326 | */ | ||
| 327 | int twl4030_get_gpio_datain(int gpio); | ||
| 328 | int twl4030_request_gpio(int gpio); | ||
| 329 | int twl4030_set_gpio_debounce(int gpio, int enable); | ||
| 330 | int twl4030_free_gpio(int gpio); | ||
| 331 | |||
| 332 | #if defined(CONFIG_TWL4030_BCI_BATTERY) || \ | ||
| 333 | defined(CONFIG_TWL4030_BCI_BATTERY_MODULE) | ||
| 334 | extern int twl4030charger_usb_en(int enable); | ||
| 335 | #else | ||
| 336 | static inline int twl4030charger_usb_en(int enable) { return 0; } | ||
| 337 | #endif | ||
| 338 | |||
| 339 | #endif /* End of __TWL4030_H */ | ||
