projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d50f8f33 HZ |
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/interrupt.h> | |
| 16 | ||
| 17 | /* Charger registers */ | |
| 18 | #define MAX8925_CHG_IRQ1 (0x7e) | |
| 19 | #define MAX8925_CHG_IRQ2 (0x7f) | |
| 20 | #define MAX8925_CHG_IRQ1_MASK (0x80) | |
| 21 | #define MAX8925_CHG_IRQ2_MASK (0x81) | |
| 22 | ||
| 23 | /* GPM registers */ | |
| 24 | #define MAX8925_SYSENSEL (0x00) | |
| 25 | #define MAX8925_ON_OFF_IRQ1 (0x01) | |
| 26 | #define MAX8925_ON_OFF_IRQ1_MASK (0x02) | |
| 27 | #define MAX8925_ON_OFF_STAT (0x03) | |
| 28 | #define MAX8925_ON_OFF_IRQ2 (0x0d) | |
| 29 | #define MAX8925_ON_OFF_IRQ2_MASK (0x0e) | |
| 30 | #define MAX8925_RESET_CNFG (0x0f) | |
| 31 | ||
| 32 | /* Touch registers */ | |
| 33 | #define MAX8925_TSC_IRQ (0x00) | |
| 34 | #define MAX8925_TSC_IRQ_MASK (0x01) | |
| 35 | ||
| 36 | /* RTC registers */ | |
| 37 | #define MAX8925_RTC_STATUS (0x1a) | |
| 38 | #define MAX8925_RTC_IRQ (0x1c) | |
| 39 | #define MAX8925_RTC_IRQ_MASK (0x1d) | |
| 40 | ||
| 41 | /* bit definitions */ | |
| 42 | #define CHG_IRQ1_MASK (0x07) | |
| 43 | #define CHG_IRQ2_MASK (0xff) | |
| 44 | #define ON_OFF_IRQ1_MASK (0xff) | |
| 45 | #define ON_OFF_IRQ2_MASK (0x03) | |
| 46 | #define TSC_IRQ_MASK (0x03) | |
| 47 | #define RTC_IRQ_MASK (0x0c) | |
| 48 | ||
| 49 | #define MAX8925_NUM_IRQ (32) | |
| 50 | ||
| 51 | #define MAX8925_NAME_SIZE (32) | |
| 52 | ||
| 53 | enum { | |
| 54 | MAX8925_INVALID = 0, | |
| 55 | MAX8925_RTC, | |
| 56 | MAX8925_ADC, | |
| 57 | MAX8925_GPM, /* general power management */ | |
| 58 | MAX8925_MAX, | |
| 59 | }; | |
| 60 | ||
| 61 | #define MAX8925_IRQ_VCHG_OVP (0) | |
| 62 | #define MAX8925_IRQ_VCHG_F (1) | |
| 63 | #define MAX8925_IRQ_VCHG_R (2) | |
| 64 | #define MAX8925_IRQ_VCHG_THM_OK_R (8) | |
| 65 | #define MAX8925_IRQ_VCHG_THM_OK_F (9) | |
| 66 | #define MAX8925_IRQ_VCHG_BATTLOW_F (10) | |
| 67 | #define MAX8925_IRQ_VCHG_BATTLOW_R (11) | |
| 68 | #define MAX8925_IRQ_VCHG_RST (12) | |
| 69 | #define MAX8925_IRQ_VCHG_DONE (13) | |
| 70 | #define MAX8925_IRQ_VCHG_TOPOFF (14) | |
| 71 | #define MAX8925_IRQ_VCHG_TMR_FAULT (15) | |
| 72 | #define MAX8925_IRQ_GPM_RSTIN (16) | |
| 73 | #define MAX8925_IRQ_GPM_MPL (17) | |
| 74 | #define MAX8925_IRQ_GPM_SW_3SEC (18) | |
| 75 | #define MAX8925_IRQ_GPM_EXTON_F (19) | |
| 76 | #define MAX8925_IRQ_GPM_EXTON_R (20) | |
| 77 | #define MAX8925_IRQ_GPM_SW_1SEC (21) | |
| 78 | #define MAX8925_IRQ_GPM_SW_F (22) | |
| 79 | #define MAX8925_IRQ_GPM_SW_R (23) | |
| 80 | #define MAX8925_IRQ_GPM_SYSCKEN_F (24) | |
| 81 | #define MAX8925_IRQ_GPM_SYSCKEN_R (25) | |
| 82 | ||
| 83 | #define MAX8925_IRQ_TSC_STICK (0) | |
| 84 | #define MAX8925_IRQ_TSC_NSTICK (1) | |
| 85 | ||
| 86 | struct max8925_irq { | |
| 87 | irq_handler_t handler; | |
| 88 | void *data; | |
| 89 | }; | |
| 90 | ||
| 91 | struct max8925_chip { | |
| 92 | struct device *dev; | |
| 93 | struct mutex io_lock; | |
| 94 | struct mutex irq_lock; | |
| 95 | struct i2c_client *i2c; | |
| 96 | struct max8925_irq irq[MAX8925_NUM_IRQ]; | |
| 97 | ||
| 98 | const char *name; | |
| 99 | int chip_id; | |
| 100 | int chip_irq; | |
| 101 | }; | |
| 102 | ||
| 103 | struct max8925_platform_data { | |
| 104 | int chip_id; | |
| 105 | int chip_irq; | |
| 106 | }; | |
| 107 | ||
| 108 | extern int max8925_reg_read(struct i2c_client *, int); | |
| 109 | extern int max8925_reg_write(struct i2c_client *, int, unsigned char); | |
| 110 | extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *); | |
| 111 | extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *); | |
| 112 | extern int max8925_set_bits(struct i2c_client *, int, unsigned char, | |
| 113 | unsigned char); | |
| 114 | ||
| 115 | extern int max8925_device_init(struct max8925_chip *, | |
| 116 | struct max8925_platform_data *); | |
| 117 | extern void max8925_device_exit(struct max8925_chip *); | |
| 118 | #endif /* __LINUX_MFD_MAX8925_H */ | |
| 119 |