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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/mfd/
1/*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * License Terms: GNU General Public License, version 2
5 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
6 */
7
8#ifndef __STMPE_H
9#define __STMPE_H
10
11#ifdef STMPE_DUMP_BYTES
12static inline void stmpe_dump_bytes(const char *str, const void *buf,
13				    size_t len)
14{
15	print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
16}
17#else
18static inline void stmpe_dump_bytes(const char *str, const void *buf,
19				    size_t len)
20{
21}
22#endif
23
24/**
25 * struct stmpe_variant_block - information about block
26 * @cell:	base mfd cell
27 * @irq:	interrupt number to be added to each IORESOURCE_IRQ
28 *		in the cell
29 * @block:	block id; used for identification with platform data and for
30 *		enable and altfunc callbacks
31 */
32struct stmpe_variant_block {
33	struct mfd_cell		*cell;
34	int			irq;
35	enum stmpe_block	block;
36};
37
38/**
39 * struct stmpe_variant_info - variant-specific information
40 * @name:	part name
41 * @id_val:	content of CHIPID register
42 * @id_mask:	bits valid in CHIPID register for comparison with id_val
43 * @num_gpios:	number of GPIOS
44 * @af_bits:	number of bits used to specify the alternate function
45 * @blocks:	list of blocks present on this device
46 * @num_blocks:	number of blocks present on this device
47 * @num_irqs:	number of internal IRQs available on this device
48 * @enable:	callback to enable the specified blocks.
49 *		Called with the I/O lock held.
50 * @get_altfunc: callback to get the alternate function number for the
51 *		 specific block
52 * @enable_autosleep: callback to configure autosleep with specified timeout
53 */
54struct stmpe_variant_info {
55	const char *name;
56	u16 id_val;
57	u16 id_mask;
58	int num_gpios;
59	int af_bits;
60	const u8 *regs;
61	struct stmpe_variant_block *blocks;
62	int num_blocks;
63	int num_irqs;
64	int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
65	int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
66	int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
67};
68
69#define STMPE_ICR_LSB_HIGH	(1 << 2)
70#define STMPE_ICR_LSB_EDGE	(1 << 1)
71#define STMPE_ICR_LSB_GIM	(1 << 0)
72
73/*
74 * STMPE811
75 */
76
77#define STMPE811_IRQ_TOUCH_DET		0
78#define STMPE811_IRQ_FIFO_TH		1
79#define STMPE811_IRQ_FIFO_OFLOW		2
80#define STMPE811_IRQ_FIFO_FULL		3
81#define STMPE811_IRQ_FIFO_EMPTY		4
82#define STMPE811_IRQ_TEMP_SENS		5
83#define STMPE811_IRQ_ADC		6
84#define STMPE811_IRQ_GPIOC		7
85#define STMPE811_NR_INTERNAL_IRQS	8
86
87#define STMPE811_REG_CHIP_ID		0x00
88#define STMPE811_REG_SYS_CTRL2		0x04
89#define STMPE811_REG_INT_CTRL		0x09
90#define STMPE811_REG_INT_EN		0x0A
91#define STMPE811_REG_INT_STA		0x0B
92#define STMPE811_REG_GPIO_INT_EN	0x0C
93#define STMPE811_REG_GPIO_INT_STA	0x0D
94#define STMPE811_REG_GPIO_SET_PIN	0x10
95#define STMPE811_REG_GPIO_CLR_PIN	0x11
96#define STMPE811_REG_GPIO_MP_STA	0x12
97#define STMPE811_REG_GPIO_DIR		0x13
98#define STMPE811_REG_GPIO_ED		0x14
99#define STMPE811_REG_GPIO_RE		0x15
100#define STMPE811_REG_GPIO_FE		0x16
101#define STMPE811_REG_GPIO_AF		0x17
102
103#define STMPE811_SYS_CTRL2_ADC_OFF	(1 << 0)
104#define STMPE811_SYS_CTRL2_TSC_OFF	(1 << 1)
105#define STMPE811_SYS_CTRL2_GPIO_OFF	(1 << 2)
106#define STMPE811_SYS_CTRL2_TS_OFF	(1 << 3)
107
108/*
109 * STMPE1601
110 */
111
112#define STMPE1601_IRQ_GPIOC		8
113#define STMPE1601_IRQ_PWM3		7
114#define STMPE1601_IRQ_PWM2		6
115#define STMPE1601_IRQ_PWM1		5
116#define STMPE1601_IRQ_PWM0		4
117#define STMPE1601_IRQ_KEYPAD_OVER	2
118#define STMPE1601_IRQ_KEYPAD		1
119#define STMPE1601_IRQ_WAKEUP		0
120#define STMPE1601_NR_INTERNAL_IRQS	9
121
122#define STMPE1601_REG_SYS_CTRL			0x02
123#define STMPE1601_REG_SYS_CTRL2			0x03
124#define STMPE1601_REG_ICR_LSB			0x11
125#define STMPE1601_REG_IER_LSB			0x13
126#define STMPE1601_REG_ISR_MSB			0x14
127#define STMPE1601_REG_CHIP_ID			0x80
128#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB	0x17
129#define STMPE1601_REG_INT_STA_GPIO_MSB		0x18
130#define STMPE1601_REG_GPIO_MP_LSB		0x87
131#define STMPE1601_REG_GPIO_SET_LSB		0x83
132#define STMPE1601_REG_GPIO_CLR_LSB		0x85
133#define STMPE1601_REG_GPIO_SET_DIR_LSB		0x89
134#define STMPE1601_REG_GPIO_ED_MSB		0x8A
135#define STMPE1601_REG_GPIO_RE_LSB		0x8D
136#define STMPE1601_REG_GPIO_FE_LSB		0x8F
137#define STMPE1601_REG_GPIO_AF_U_MSB		0x92
138
139#define STMPE1601_SYS_CTRL_ENABLE_GPIO		(1 << 3)
140#define STMPE1601_SYS_CTRL_ENABLE_KPC		(1 << 1)
141#define STMPE1601_SYSCON_ENABLE_SPWM		(1 << 0)
142
143/* The 1601/2403 share the same masks */
144#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK	(0x7)
145#define STPME1601_AUTOSLEEP_ENABLE		(1 << 3)
146
147/*
148 * STMPE24xx
149 */
150
151#define STMPE24XX_IRQ_GPIOC		8
152#define STMPE24XX_IRQ_PWM2		7
153#define STMPE24XX_IRQ_PWM1		6
154#define STMPE24XX_IRQ_PWM0		5
155#define STMPE24XX_IRQ_ROT_OVER		4
156#define STMPE24XX_IRQ_ROT		3
157#define STMPE24XX_IRQ_KEYPAD_OVER	2
158#define STMPE24XX_IRQ_KEYPAD		1
159#define STMPE24XX_IRQ_WAKEUP		0
160#define STMPE24XX_NR_INTERNAL_IRQS	9
161
162#define STMPE24XX_REG_SYS_CTRL		0x02
163#define STMPE24XX_REG_ICR_LSB		0x11
164#define STMPE24XX_REG_IER_LSB		0x13
165#define STMPE24XX_REG_ISR_MSB		0x14
166#define STMPE24XX_REG_CHIP_ID		0x80
167#define STMPE24XX_REG_IEGPIOR_LSB	0x18
168#define STMPE24XX_REG_ISGPIOR_MSB	0x19
169#define STMPE24XX_REG_GPMR_LSB		0xA5
170#define STMPE24XX_REG_GPSR_LSB		0x85
171#define STMPE24XX_REG_GPCR_LSB		0x88
172#define STMPE24XX_REG_GPDR_LSB		0x8B
173#define STMPE24XX_REG_GPEDR_MSB		0x8C
174#define STMPE24XX_REG_GPRER_LSB		0x91
175#define STMPE24XX_REG_GPFER_LSB		0x94
176#define STMPE24XX_REG_GPAFR_U_MSB	0x9B
177
178#define STMPE24XX_SYS_CTRL_ENABLE_GPIO		(1 << 3)
179#define STMPE24XX_SYSCON_ENABLE_PWM		(1 << 2)
180#define STMPE24XX_SYS_CTRL_ENABLE_KPC		(1 << 1)
181#define STMPE24XX_SYSCON_ENABLE_ROT		(1 << 0)
182
183#endif
184