xref: /openbmc/linux/drivers/mfd/stmpe.h (revision 4bacd796)
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
12 static 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
18 static 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  */
32 struct 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  */
54 struct 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