1 /* 2 * Maxim8925 Interface 3 * 4 * Copyright (C) 2009 Marvell International Ltd. 5 * Haojian Zhuang <haojian.zhuang@marvell.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef __LINUX_MFD_MAX8925_H 13 #define __LINUX_MFD_MAX8925_H 14 15 #include <linux/mutex.h> 16 #include <linux/interrupt.h> 17 18 /* Unified sub device IDs for MAX8925 */ 19 enum { 20 MAX8925_ID_SD1, 21 MAX8925_ID_SD2, 22 MAX8925_ID_SD3, 23 MAX8925_ID_LDO1, 24 MAX8925_ID_LDO2, 25 MAX8925_ID_LDO3, 26 MAX8925_ID_LDO4, 27 MAX8925_ID_LDO5, 28 MAX8925_ID_LDO6, 29 MAX8925_ID_LDO7, 30 MAX8925_ID_LDO8, 31 MAX8925_ID_LDO9, 32 MAX8925_ID_LDO10, 33 MAX8925_ID_LDO11, 34 MAX8925_ID_LDO12, 35 MAX8925_ID_LDO13, 36 MAX8925_ID_LDO14, 37 MAX8925_ID_LDO15, 38 MAX8925_ID_LDO16, 39 MAX8925_ID_LDO17, 40 MAX8925_ID_LDO18, 41 MAX8925_ID_LDO19, 42 MAX8925_ID_LDO20, 43 MAX8925_ID_MAX, 44 }; 45 46 enum { 47 /* 48 * Charging current threshold trigger going from fast charge 49 * to TOPOFF charge. From 5% to 20% of fasting charging current. 50 */ 51 MAX8925_TOPOFF_THR_5PER, 52 MAX8925_TOPOFF_THR_10PER, 53 MAX8925_TOPOFF_THR_15PER, 54 MAX8925_TOPOFF_THR_20PER, 55 }; 56 57 enum { 58 /* Fast charging current */ 59 MAX8925_FCHG_85MA, 60 MAX8925_FCHG_300MA, 61 MAX8925_FCHG_460MA, 62 MAX8925_FCHG_600MA, 63 MAX8925_FCHG_700MA, 64 MAX8925_FCHG_800MA, 65 MAX8925_FCHG_900MA, 66 MAX8925_FCHG_1000MA, 67 }; 68 69 /* Charger registers */ 70 #define MAX8925_CHG_IRQ1 (0x7e) 71 #define MAX8925_CHG_IRQ2 (0x7f) 72 #define MAX8925_CHG_IRQ1_MASK (0x80) 73 #define MAX8925_CHG_IRQ2_MASK (0x81) 74 #define MAX8925_CHG_STATUS (0x82) 75 76 /* GPM registers */ 77 #define MAX8925_SYSENSEL (0x00) 78 #define MAX8925_ON_OFF_IRQ1 (0x01) 79 #define MAX8925_ON_OFF_IRQ1_MASK (0x02) 80 #define MAX8925_ON_OFF_STATUS (0x03) 81 #define MAX8925_ON_OFF_IRQ2 (0x0d) 82 #define MAX8925_ON_OFF_IRQ2_MASK (0x0e) 83 #define MAX8925_RESET_CNFG (0x0f) 84 85 /* Touch registers */ 86 #define MAX8925_TSC_IRQ (0x00) 87 #define MAX8925_TSC_IRQ_MASK (0x01) 88 #define MAX8925_TSC_CNFG1 (0x02) 89 #define MAX8925_ADC_SCHED (0x10) 90 #define MAX8925_ADC_RES_END (0x6f) 91 92 #define MAX8925_NREF_OK (1 << 4) 93 94 /* RTC registers */ 95 #define MAX8925_ALARM0_CNTL (0x18) 96 #define MAX8925_ALARM1_CNTL (0x19) 97 #define MAX8925_RTC_IRQ (0x1c) 98 #define MAX8925_RTC_IRQ_MASK (0x1d) 99 #define MAX8925_MPL_CNTL (0x1e) 100 101 /* WLED registers */ 102 #define MAX8925_WLED_MODE_CNTL (0x84) 103 #define MAX8925_WLED_CNTL (0x85) 104 105 /* MAX8925 Registers */ 106 #define MAX8925_SDCTL1 (0x04) 107 #define MAX8925_SDCTL2 (0x07) 108 #define MAX8925_SDCTL3 (0x0A) 109 #define MAX8925_SDV1 (0x06) 110 #define MAX8925_SDV2 (0x09) 111 #define MAX8925_SDV3 (0x0C) 112 #define MAX8925_LDOCTL1 (0x18) 113 #define MAX8925_LDOCTL2 (0x1C) 114 #define MAX8925_LDOCTL3 (0x20) 115 #define MAX8925_LDOCTL4 (0x24) 116 #define MAX8925_LDOCTL5 (0x28) 117 #define MAX8925_LDOCTL6 (0x2C) 118 #define MAX8925_LDOCTL7 (0x30) 119 #define MAX8925_LDOCTL8 (0x34) 120 #define MAX8925_LDOCTL9 (0x38) 121 #define MAX8925_LDOCTL10 (0x3C) 122 #define MAX8925_LDOCTL11 (0x40) 123 #define MAX8925_LDOCTL12 (0x44) 124 #define MAX8925_LDOCTL13 (0x48) 125 #define MAX8925_LDOCTL14 (0x4C) 126 #define MAX8925_LDOCTL15 (0x50) 127 #define MAX8925_LDOCTL16 (0x10) 128 #define MAX8925_LDOCTL17 (0x14) 129 #define MAX8925_LDOCTL18 (0x72) 130 #define MAX8925_LDOCTL19 (0x5C) 131 #define MAX8925_LDOCTL20 (0x9C) 132 #define MAX8925_LDOVOUT1 (0x1A) 133 #define MAX8925_LDOVOUT2 (0x1E) 134 #define MAX8925_LDOVOUT3 (0x22) 135 #define MAX8925_LDOVOUT4 (0x26) 136 #define MAX8925_LDOVOUT5 (0x2A) 137 #define MAX8925_LDOVOUT6 (0x2E) 138 #define MAX8925_LDOVOUT7 (0x32) 139 #define MAX8925_LDOVOUT8 (0x36) 140 #define MAX8925_LDOVOUT9 (0x3A) 141 #define MAX8925_LDOVOUT10 (0x3E) 142 #define MAX8925_LDOVOUT11 (0x42) 143 #define MAX8925_LDOVOUT12 (0x46) 144 #define MAX8925_LDOVOUT13 (0x4A) 145 #define MAX8925_LDOVOUT14 (0x4E) 146 #define MAX8925_LDOVOUT15 (0x52) 147 #define MAX8925_LDOVOUT16 (0x12) 148 #define MAX8925_LDOVOUT17 (0x16) 149 #define MAX8925_LDOVOUT18 (0x74) 150 #define MAX8925_LDOVOUT19 (0x5E) 151 #define MAX8925_LDOVOUT20 (0x9E) 152 153 /* bit definitions */ 154 #define CHG_IRQ1_MASK (0x07) 155 #define CHG_IRQ2_MASK (0xff) 156 #define ON_OFF_IRQ1_MASK (0xff) 157 #define ON_OFF_IRQ2_MASK (0x03) 158 #define TSC_IRQ_MASK (0x03) 159 #define RTC_IRQ_MASK (0x0c) 160 161 #define MAX8925_NAME_SIZE (32) 162 163 /* IRQ definitions */ 164 enum { 165 MAX8925_IRQ_VCHG_DC_OVP, 166 MAX8925_IRQ_VCHG_DC_F, 167 MAX8925_IRQ_VCHG_DC_R, 168 MAX8925_IRQ_VCHG_THM_OK_R, 169 MAX8925_IRQ_VCHG_THM_OK_F, 170 MAX8925_IRQ_VCHG_SYSLOW_F, 171 MAX8925_IRQ_VCHG_SYSLOW_R, 172 MAX8925_IRQ_VCHG_RST, 173 MAX8925_IRQ_VCHG_DONE, 174 MAX8925_IRQ_VCHG_TOPOFF, 175 MAX8925_IRQ_VCHG_TMR_FAULT, 176 MAX8925_IRQ_GPM_RSTIN, 177 MAX8925_IRQ_GPM_MPL, 178 MAX8925_IRQ_GPM_SW_3SEC, 179 MAX8925_IRQ_GPM_EXTON_F, 180 MAX8925_IRQ_GPM_EXTON_R, 181 MAX8925_IRQ_GPM_SW_1SEC, 182 MAX8925_IRQ_GPM_SW_F, 183 MAX8925_IRQ_GPM_SW_R, 184 MAX8925_IRQ_GPM_SYSCKEN_F, 185 MAX8925_IRQ_GPM_SYSCKEN_R, 186 MAX8925_IRQ_RTC_ALARM1, 187 MAX8925_IRQ_RTC_ALARM0, 188 MAX8925_IRQ_TSC_STICK, 189 MAX8925_IRQ_TSC_NSTICK, 190 MAX8925_NR_IRQS, 191 }; 192 193 194 195 struct max8925_chip { 196 struct device *dev; 197 struct i2c_client *i2c; 198 struct i2c_client *adc; 199 struct i2c_client *rtc; 200 struct mutex io_lock; 201 struct mutex irq_lock; 202 203 int irq_base; 204 int core_irq; 205 int tsc_irq; 206 unsigned int wakeup_flag; 207 }; 208 209 struct max8925_backlight_pdata { 210 int lxw_scl; /* 0/1 -- 0.8Ohm/0.4Ohm */ 211 int lxw_freq; /* 700KHz ~ 1400KHz */ 212 int dual_string; /* 0/1 -- single/dual string */ 213 }; 214 215 struct max8925_touch_pdata { 216 unsigned int flags; 217 }; 218 219 struct max8925_power_pdata { 220 int (*set_charger)(int); 221 unsigned batt_detect:1; 222 unsigned topoff_threshold:2; 223 unsigned fast_charge:3; /* charge current */ 224 unsigned no_temp_support:1; /* set if no temperature detect */ 225 unsigned no_insert_detect:1; /* set if no ac insert detect */ 226 char **supplied_to; 227 int num_supplicants; 228 }; 229 230 /* 231 * irq_base: stores IRQ base number of MAX8925 in platform 232 * tsc_irq: stores IRQ number of MAX8925 TSC 233 */ 234 struct max8925_platform_data { 235 struct max8925_backlight_pdata *backlight; 236 struct max8925_touch_pdata *touch; 237 struct max8925_power_pdata *power; 238 struct regulator_init_data *sd1; 239 struct regulator_init_data *sd2; 240 struct regulator_init_data *sd3; 241 struct regulator_init_data *ldo1; 242 struct regulator_init_data *ldo2; 243 struct regulator_init_data *ldo3; 244 struct regulator_init_data *ldo4; 245 struct regulator_init_data *ldo5; 246 struct regulator_init_data *ldo6; 247 struct regulator_init_data *ldo7; 248 struct regulator_init_data *ldo8; 249 struct regulator_init_data *ldo9; 250 struct regulator_init_data *ldo10; 251 struct regulator_init_data *ldo11; 252 struct regulator_init_data *ldo12; 253 struct regulator_init_data *ldo13; 254 struct regulator_init_data *ldo14; 255 struct regulator_init_data *ldo15; 256 struct regulator_init_data *ldo16; 257 struct regulator_init_data *ldo17; 258 struct regulator_init_data *ldo18; 259 struct regulator_init_data *ldo19; 260 struct regulator_init_data *ldo20; 261 262 int irq_base; 263 int tsc_irq; 264 }; 265 266 extern int max8925_reg_read(struct i2c_client *, int); 267 extern int max8925_reg_write(struct i2c_client *, int, unsigned char); 268 extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *); 269 extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *); 270 extern int max8925_set_bits(struct i2c_client *, int, unsigned char, 271 unsigned char); 272 273 extern int max8925_device_init(struct max8925_chip *, 274 struct max8925_platform_data *); 275 extern void max8925_device_exit(struct max8925_chip *); 276 #endif /* __LINUX_MFD_MAX8925_H */ 277 278