1/*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * License Terms: GNU General Public License, version 2
5 */
6
7#ifndef __LINUX_MFD_TC3589x_H
8#define __LINUX_MFD_TC3589x_H
9
10struct device;
11
12enum tx3589x_block {
13	TC3589x_BLOCK_GPIO        = 1 << 0,
14	TC3589x_BLOCK_KEYPAD      = 1 << 1,
15};
16
17#define TC3589x_RSTCTRL_IRQRST	(1 << 4)
18#define TC3589x_RSTCTRL_TIMRST	(1 << 3)
19#define TC3589x_RSTCTRL_ROTRST	(1 << 2)
20#define TC3589x_RSTCTRL_KBDRST	(1 << 1)
21#define TC3589x_RSTCTRL_GPIRST	(1 << 0)
22
23/* Keyboard Configuration Registers */
24#define TC3589x_KBDSETTLE_REG   0x01
25#define TC3589x_KBDBOUNCE       0x02
26#define TC3589x_KBDSIZE         0x03
27#define TC3589x_KBCFG_LSB       0x04
28#define TC3589x_KBCFG_MSB       0x05
29#define TC3589x_KBDIC           0x08
30#define TC3589x_KBDMSK          0x09
31#define TC3589x_EVTCODE_FIFO    0x10
32#define TC3589x_KBDMFS		0x8F
33
34#define TC3589x_IRQST		0x91
35
36#define TC3589x_MANFCODE_MAGIC	0x03
37#define TC3589x_MANFCODE	0x80
38#define TC3589x_VERSION		0x81
39#define TC3589x_IOCFG		0xA7
40
41#define TC3589x_CLKMODE		0x88
42#define TC3589x_CLKCFG		0x89
43#define TC3589x_CLKEN		0x8A
44
45#define TC3589x_RSTCTRL		0x82
46#define TC3589x_EXTRSTN		0x83
47#define TC3589x_RSTINTCLR	0x84
48
49/* Pull up/down configuration registers */
50#define TC3589x_IOCFG           0xA7
51#define TC3589x_IOPULLCFG0_LSB  0xAA
52#define TC3589x_IOPULLCFG0_MSB  0xAB
53#define TC3589x_IOPULLCFG1_LSB  0xAC
54#define TC3589x_IOPULLCFG1_MSB  0xAD
55#define TC3589x_IOPULLCFG2_LSB  0xAE
56
57#define TC3589x_GPIOIS0		0xC9
58#define TC3589x_GPIOIS1		0xCA
59#define TC3589x_GPIOIS2		0xCB
60#define TC3589x_GPIOIBE0	0xCC
61#define TC3589x_GPIOIBE1	0xCD
62#define TC3589x_GPIOIBE2	0xCE
63#define TC3589x_GPIOIEV0	0xCF
64#define TC3589x_GPIOIEV1	0xD0
65#define TC3589x_GPIOIEV2	0xD1
66#define TC3589x_GPIOIE0		0xD2
67#define TC3589x_GPIOIE1		0xD3
68#define TC3589x_GPIOIE2		0xD4
69#define TC3589x_GPIORIS0	0xD6
70#define TC3589x_GPIORIS1	0xD7
71#define TC3589x_GPIORIS2	0xD8
72#define TC3589x_GPIOMIS0	0xD9
73#define TC3589x_GPIOMIS1	0xDA
74#define TC3589x_GPIOMIS2	0xDB
75#define TC3589x_GPIOIC0		0xDC
76#define TC3589x_GPIOIC1		0xDD
77#define TC3589x_GPIOIC2		0xDE
78
79#define TC3589x_GPIODATA0	0xC0
80#define TC3589x_GPIOMASK0	0xc1
81#define TC3589x_GPIODATA1	0xC2
82#define TC3589x_GPIOMASK1	0xc3
83#define TC3589x_GPIODATA2	0xC4
84#define TC3589x_GPIOMASK2	0xC5
85
86#define TC3589x_GPIODIR0	0xC6
87#define TC3589x_GPIODIR1	0xC7
88#define TC3589x_GPIODIR2	0xC8
89
90#define TC3589x_GPIOSYNC0	0xE6
91#define TC3589x_GPIOSYNC1	0xE7
92#define TC3589x_GPIOSYNC2	0xE8
93
94#define TC3589x_GPIOWAKE0	0xE9
95#define TC3589x_GPIOWAKE1	0xEA
96#define TC3589x_GPIOWAKE2	0xEB
97
98#define TC3589x_GPIOODM0	0xE0
99#define TC3589x_GPIOODE0	0xE1
100#define TC3589x_GPIOODM1	0xE2
101#define TC3589x_GPIOODE1	0xE3
102#define TC3589x_GPIOODM2	0xE4
103#define TC3589x_GPIOODE2	0xE5
104
105#define TC3589x_INT_GPIIRQ	0
106#define TC3589x_INT_TI0IRQ	1
107#define TC3589x_INT_TI1IRQ	2
108#define TC3589x_INT_TI2IRQ	3
109#define TC3589x_INT_ROTIRQ	5
110#define TC3589x_INT_KBDIRQ	6
111#define TC3589x_INT_PORIRQ	7
112
113#define TC3589x_NR_INTERNAL_IRQS	8
114
115struct tc3589x {
116	struct mutex lock;
117	struct device *dev;
118	struct i2c_client *i2c;
119	struct irq_domain *domain;
120
121	int irq_base;
122	int num_gpio;
123	struct tc3589x_platform_data *pdata;
124};
125
126extern int tc3589x_reg_write(struct tc3589x *tc3589x, u8 reg, u8 data);
127extern int tc3589x_reg_read(struct tc3589x *tc3589x, u8 reg);
128extern int tc3589x_block_read(struct tc3589x *tc3589x, u8 reg, u8 length,
129			      u8 *values);
130extern int tc3589x_block_write(struct tc3589x *tc3589x, u8 reg, u8 length,
131			       const u8 *values);
132extern int tc3589x_set_bits(struct tc3589x *tc3589x, u8 reg, u8 mask, u8 val);
133
134/*
135 * Keypad related platform specific constants
136 * These values may be modified for fine tuning
137 */
138#define TC_KPD_ROWS             0x8
139#define TC_KPD_COLUMNS          0x8
140#define TC_KPD_DEBOUNCE_PERIOD  0xA3
141#define TC_KPD_SETTLE_TIME      0xA3
142
143
144/**
145 * struct tc3589x_platform_data - TC3589x platform data
146 * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
147 */
148struct tc3589x_platform_data {
149	unsigned int block;
150};
151
152#endif
153