mfd: New AB8500 driver
[linux-2.6-block.git] / include / linux / mfd / ab8500.h
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62579266
RV
1/*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * License Terms: GNU General Public License v2
5 * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
6 */
7#ifndef MFD_AB8500_H
8#define MFD_AB8500_H
9
10#include <linux/device.h>
11
12/*
13 * Interrupts
14 */
15
16#define AB8500_INT_MAIN_EXT_CH_NOT_OK 0
17#define AB8500_INT_UN_PLUG_TV_DET 1
18#define AB8500_INT_PLUG_TV_DET 2
19#define AB8500_INT_TEMP_WARM 3
20#define AB8500_INT_PON_KEY2DB_F 4
21#define AB8500_INT_PON_KEY2DB_R 5
22#define AB8500_INT_PON_KEY1DB_F 6
23#define AB8500_INT_PON_KEY1DB_R 7
24#define AB8500_INT_BATT_OVV 8
25#define AB8500_INT_MAIN_CH_UNPLUG_DET 10
26#define AB8500_INT_MAIN_CH_PLUG_DET 11
27#define AB8500_INT_USB_ID_DET_F 12
28#define AB8500_INT_USB_ID_DET_R 13
29#define AB8500_INT_VBUS_DET_F 14
30#define AB8500_INT_VBUS_DET_R 15
31#define AB8500_INT_VBUS_CH_DROP_END 16
32#define AB8500_INT_RTC_60S 17
33#define AB8500_INT_RTC_ALARM 18
34#define AB8500_INT_BAT_CTRL_INDB 20
35#define AB8500_INT_CH_WD_EXP 21
36#define AB8500_INT_VBUS_OVV 22
37#define AB8500_INT_MAIN_CH_DROP_END 23
38#define AB8500_INT_CCN_CONV_ACC 24
39#define AB8500_INT_INT_AUD 25
40#define AB8500_INT_CCEOC 26
41#define AB8500_INT_CC_INT_CALIB 27
42#define AB8500_INT_LOW_BAT_F 28
43#define AB8500_INT_LOW_BAT_R 29
44#define AB8500_INT_BUP_CHG_NOT_OK 30
45#define AB8500_INT_BUP_CHG_OK 31
46#define AB8500_INT_GP_HW_ADC_CONV_END 32
47#define AB8500_INT_ACC_DETECT_1DB_F 33
48#define AB8500_INT_ACC_DETECT_1DB_R 34
49#define AB8500_INT_ACC_DETECT_22DB_F 35
50#define AB8500_INT_ACC_DETECT_22DB_R 36
51#define AB8500_INT_ACC_DETECT_21DB_F 37
52#define AB8500_INT_ACC_DETECT_21DB_R 38
53#define AB8500_INT_GP_SW_ADC_CONV_END 39
54#define AB8500_INT_BTEMP_LOW 72
55#define AB8500_INT_BTEMP_LOW_MEDIUM 73
56#define AB8500_INT_BTEMP_MEDIUM_HIGH 74
57#define AB8500_INT_BTEMP_HIGH 75
58#define AB8500_INT_USB_CHARGER_NOT_OK 81
59#define AB8500_INT_ID_WAKEUP_R 82
60#define AB8500_INT_ID_DET_R1R 84
61#define AB8500_INT_ID_DET_R2R 85
62#define AB8500_INT_ID_DET_R3R 86
63#define AB8500_INT_ID_DET_R4R 87
64#define AB8500_INT_ID_WAKEUP_F 88
65#define AB8500_INT_ID_DET_R1F 90
66#define AB8500_INT_ID_DET_R2F 91
67#define AB8500_INT_ID_DET_R3F 92
68#define AB8500_INT_ID_DET_R4F 93
69#define AB8500_INT_USB_CHG_DET_DONE 94
70#define AB8500_INT_USB_CH_TH_PROT_F 96
71#define AB8500_INT_USB_CH_TH_PROP_R 97
72#define AB8500_INT_MAIN_CH_TH_PROP_F 98
73#define AB8500_INT_MAIN_CH_TH_PROT_R 99
74#define AB8500_INT_USB_CHARGER_NOT_OKF 103
75
76#define AB8500_NR_IRQS 104
77#define AB8500_NUM_IRQ_REGS 13
78
79/**
80 * struct ab8500 - ab8500 internal structure
81 * @dev: parent device
82 * @lock: read/write operations lock
83 * @irq_lock: genirq bus lock
84 * @revision: chip revision
85 * @irq: irq line
86 * @write: register write
87 * @read: register read
88 * @rx_buf: rx buf for SPI
89 * @tx_buf: tx buf for SPI
90 * @mask: cache of IRQ regs for bus lock
91 * @oldmask: cache of previous IRQ regs for bus lock
92 */
93struct ab8500 {
94 struct device *dev;
95 struct mutex lock;
96 struct mutex irq_lock;
97 int revision;
98 int irq_base;
99 int irq;
100
101 int (*write) (struct ab8500 *a8500, u16 addr, u8 data);
102 int (*read) (struct ab8500 *a8500, u16 addr);
103
104 unsigned long tx_buf[4];
105 unsigned long rx_buf[4];
106
107 u8 mask[AB8500_NUM_IRQ_REGS];
108 u8 oldmask[AB8500_NUM_IRQ_REGS];
109};
110
111/**
112 * struct ab8500_platform_data - AB8500 platform data
113 * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
114 * @init: board-specific initialization after detection of ab8500
115 */
116struct ab8500_platform_data {
117 int irq_base;
118 void (*init) (struct ab8500 *);
119};
120
121extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data);
122extern int ab8500_read(struct ab8500 *a8500, u16 addr);
123extern int ab8500_set_bits(struct ab8500 *a8500, u16 addr, u8 mask, u8 data);
124
125extern int __devinit ab8500_init(struct ab8500 *ab8500);
126extern int __devexit ab8500_exit(struct ab8500 *ab8500);
127
128#endif /* MFD_AB8500_H */