Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 1 | /* |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 2 | * max8998.h - Voltage regulator driver for the Maxim 8998 |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2009-2010 Samsung Electrnoics |
| 5 | * Kyungmin Park <kyungmin.park@samsung.com> |
| 6 | * Marek Szyprowski <m.szyprowski@samsung.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef __LINUX_MFD_MAX8998_PRIV_H |
| 24 | #define __LINUX_MFD_MAX8998_PRIV_H |
| 25 | |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 26 | #define MAX8998_NUM_IRQ_REGS 4 |
| 27 | |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 28 | /* MAX 8998 registers */ |
| 29 | enum { |
| 30 | MAX8998_REG_IRQ1, |
| 31 | MAX8998_REG_IRQ2, |
| 32 | MAX8998_REG_IRQ3, |
| 33 | MAX8998_REG_IRQ4, |
| 34 | MAX8998_REG_IRQM1, |
| 35 | MAX8998_REG_IRQM2, |
| 36 | MAX8998_REG_IRQM3, |
| 37 | MAX8998_REG_IRQM4, |
| 38 | MAX8998_REG_STATUS1, |
| 39 | MAX8998_REG_STATUS2, |
| 40 | MAX8998_REG_STATUSM1, |
| 41 | MAX8998_REG_STATUSM2, |
| 42 | MAX8998_REG_CHGR1, |
| 43 | MAX8998_REG_CHGR2, |
| 44 | MAX8998_REG_LDO_ACTIVE_DISCHARGE1, |
| 45 | MAX8998_REG_LDO_ACTIVE_DISCHARGE2, |
| 46 | MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, |
| 47 | MAX8998_REG_ONOFF1, |
| 48 | MAX8998_REG_ONOFF2, |
| 49 | MAX8998_REG_ONOFF3, |
| 50 | MAX8998_REG_ONOFF4, |
Lukasz Majewski | 889cd5a | 2010-09-27 14:32:25 +0200 | [diff] [blame^] | 51 | MAX8998_REG_BUCK1_VOLTAGE1, |
| 52 | MAX8998_REG_BUCK1_VOLTAGE2, |
| 53 | MAX8998_REG_BUCK1_VOLTAGE3, |
| 54 | MAX8998_REG_BUCK1_VOLTAGE4, |
| 55 | MAX8998_REG_BUCK2_VOLTAGE1, |
| 56 | MAX8998_REG_BUCK2_VOLTAGE2, |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 57 | MAX8998_REG_BUCK3, |
| 58 | MAX8998_REG_BUCK4, |
| 59 | MAX8998_REG_LDO2_LDO3, |
| 60 | MAX8998_REG_LDO4, |
| 61 | MAX8998_REG_LDO5, |
| 62 | MAX8998_REG_LDO6, |
| 63 | MAX8998_REG_LDO7, |
| 64 | MAX8998_REG_LDO8_LDO9, |
| 65 | MAX8998_REG_LDO10_LDO11, |
| 66 | MAX8998_REG_LDO12, |
| 67 | MAX8998_REG_LDO13, |
| 68 | MAX8998_REG_LDO14, |
| 69 | MAX8998_REG_LDO15, |
| 70 | MAX8998_REG_LDO16, |
| 71 | MAX8998_REG_LDO17, |
| 72 | MAX8998_REG_BKCHR, |
| 73 | MAX8998_REG_LBCNFG1, |
| 74 | MAX8998_REG_LBCNFG2, |
| 75 | }; |
| 76 | |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 77 | /* IRQ definitions */ |
| 78 | enum { |
| 79 | MAX8998_IRQ_DCINF, |
| 80 | MAX8998_IRQ_DCINR, |
| 81 | MAX8998_IRQ_JIGF, |
| 82 | MAX8998_IRQ_JIGR, |
| 83 | MAX8998_IRQ_PWRONF, |
| 84 | MAX8998_IRQ_PWRONR, |
| 85 | |
| 86 | MAX8998_IRQ_WTSREVNT, |
| 87 | MAX8998_IRQ_SMPLEVNT, |
| 88 | MAX8998_IRQ_ALARM1, |
| 89 | MAX8998_IRQ_ALARM0, |
| 90 | |
| 91 | MAX8998_IRQ_ONKEY1S, |
| 92 | MAX8998_IRQ_TOPOFFR, |
| 93 | MAX8998_IRQ_DCINOVPR, |
| 94 | MAX8998_IRQ_CHGRSTF, |
| 95 | MAX8998_IRQ_DONER, |
| 96 | MAX8998_IRQ_CHGFAULT, |
| 97 | |
| 98 | MAX8998_IRQ_LOBAT1, |
| 99 | MAX8998_IRQ_LOBAT2, |
| 100 | |
| 101 | MAX8998_IRQ_NR, |
| 102 | }; |
| 103 | |
Lukasz Majewski | 509bd47 | 2010-09-27 14:32:24 +0200 | [diff] [blame] | 104 | /* MAX8998 various variants */ |
| 105 | enum { |
| 106 | TYPE_MAX8998 = 0, /* Default */ |
| 107 | TYPE_LP3974, /* National version of MAX8998 */ |
| 108 | TYPE_LP3979, /* Added AVS */ |
| 109 | }; |
| 110 | |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 111 | #define MAX8998_IRQ_DCINF_MASK (1 << 2) |
| 112 | #define MAX8998_IRQ_DCINR_MASK (1 << 3) |
| 113 | #define MAX8998_IRQ_JIGF_MASK (1 << 4) |
| 114 | #define MAX8998_IRQ_JIGR_MASK (1 << 5) |
| 115 | #define MAX8998_IRQ_PWRONF_MASK (1 << 6) |
| 116 | #define MAX8998_IRQ_PWRONR_MASK (1 << 7) |
| 117 | |
| 118 | #define MAX8998_IRQ_WTSREVNT_MASK (1 << 0) |
| 119 | #define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1) |
| 120 | #define MAX8998_IRQ_ALARM1_MASK (1 << 2) |
| 121 | #define MAX8998_IRQ_ALARM0_MASK (1 << 3) |
| 122 | |
| 123 | #define MAX8998_IRQ_ONKEY1S_MASK (1 << 0) |
| 124 | #define MAX8998_IRQ_TOPOFFR_MASK (1 << 2) |
| 125 | #define MAX8998_IRQ_DCINOVPR_MASK (1 << 3) |
| 126 | #define MAX8998_IRQ_CHGRSTF_MASK (1 << 4) |
| 127 | #define MAX8998_IRQ_DONER_MASK (1 << 5) |
| 128 | #define MAX8998_IRQ_CHGFAULT_MASK (1 << 7) |
| 129 | |
| 130 | #define MAX8998_IRQ_LOBAT1_MASK (1 << 0) |
| 131 | #define MAX8998_IRQ_LOBAT2_MASK (1 << 1) |
| 132 | |
Lukasz Majewski | 509bd47 | 2010-09-27 14:32:24 +0200 | [diff] [blame] | 133 | #define MAX8998_ENRAMP (1 << 4) |
| 134 | |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 135 | /** |
| 136 | * struct max8998_dev - max8998 master device for sub-drivers |
| 137 | * @dev: master device of the chip (can be used to access platform data) |
Joonyoung Shim | 9b16c0a | 2010-08-06 11:28:08 +0900 | [diff] [blame] | 138 | * @i2c: i2c client private data for regulator |
| 139 | * @rtc: i2c client private data for rtc |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 140 | * @iolock: mutex for serializing io access |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 141 | * @irqlock: mutex for buslock |
| 142 | * @irq_base: base IRQ number for max8998, required for IRQs |
| 143 | * @irq: generic IRQ number for max8998 |
| 144 | * @ono: power onoff IRQ number for max8998 |
| 145 | * @irq_masks_cur: currently active value |
| 146 | * @irq_masks_cache: cached hardware value |
Lukasz Majewski | 509bd47 | 2010-09-27 14:32:24 +0200 | [diff] [blame] | 147 | * @type: indicate which max8998 "variant" is used |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 148 | */ |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 149 | struct max8998_dev { |
| 150 | struct device *dev; |
Joonyoung Shim | 676e02d | 2010-08-06 11:28:06 +0900 | [diff] [blame] | 151 | struct i2c_client *i2c; |
Joonyoung Shim | 9b16c0a | 2010-08-06 11:28:08 +0900 | [diff] [blame] | 152 | struct i2c_client *rtc; |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 153 | struct mutex iolock; |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 154 | struct mutex irqlock; |
| 155 | |
| 156 | int irq_base; |
| 157 | int irq; |
| 158 | int ono; |
| 159 | u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS]; |
| 160 | u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS]; |
Lukasz Majewski | 509bd47 | 2010-09-27 14:32:24 +0200 | [diff] [blame] | 161 | int type; |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 162 | }; |
| 163 | |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 164 | int max8998_irq_init(struct max8998_dev *max8998); |
| 165 | void max8998_irq_exit(struct max8998_dev *max8998); |
| 166 | |
Joonyoung Shim | 676e02d | 2010-08-06 11:28:06 +0900 | [diff] [blame] | 167 | extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); |
Joonyoung Shim | 2c7e6f5 | 2010-09-10 18:36:39 +0200 | [diff] [blame] | 168 | extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count, |
| 169 | u8 *buf); |
Joonyoung Shim | 676e02d | 2010-08-06 11:28:06 +0900 | [diff] [blame] | 170 | extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value); |
Joonyoung Shim | 9b16c0a | 2010-08-06 11:28:08 +0900 | [diff] [blame] | 171 | extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count, |
| 172 | u8 *buf); |
Joonyoung Shim | 676e02d | 2010-08-06 11:28:06 +0900 | [diff] [blame] | 173 | extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); |
Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 174 | |
| 175 | #endif /* __LINUX_MFD_MAX8998_PRIV_H */ |