tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 * @regs: variant specific registers.
46 * @blocks: list of blocks present on this device
47 * @num_blocks: number of blocks present on this device
48 * @num_irqs: number of internal IRQs available on this device
49 * @enable: callback to enable the specified blocks.
50 * Called with the I/O lock held.
51 * @get_altfunc: callback to get the alternate function number for the
52 * specific block
53 * @enable_autosleep: callback to configure autosleep with specified timeout
54 */
55struct stmpe_variant_info {
56 const char *name;
57 u16 id_val;
58 u16 id_mask;
59 int num_gpios;
60 int af_bits;
61 const u8 *regs;
62 struct stmpe_variant_block *blocks;
63 int num_blocks;
64 int num_irqs;
65 int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
66 int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
67 int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
68};
69
70#define STMPE_ICR_LSB_HIGH (1 << 2)
71#define STMPE_ICR_LSB_EDGE (1 << 1)
72#define STMPE_ICR_LSB_GIM (1 << 0)
73
74/*
75 * STMPE811
76 */
77
78#define STMPE811_IRQ_TOUCH_DET 0
79#define STMPE811_IRQ_FIFO_TH 1
80#define STMPE811_IRQ_FIFO_OFLOW 2
81#define STMPE811_IRQ_FIFO_FULL 3
82#define STMPE811_IRQ_FIFO_EMPTY 4
83#define STMPE811_IRQ_TEMP_SENS 5
84#define STMPE811_IRQ_ADC 6
85#define STMPE811_IRQ_GPIOC 7
86#define STMPE811_NR_INTERNAL_IRQS 8
87
88#define STMPE811_REG_CHIP_ID 0x00
89#define STMPE811_REG_SYS_CTRL2 0x04
90#define STMPE811_REG_INT_CTRL 0x09
91#define STMPE811_REG_INT_EN 0x0A
92#define STMPE811_REG_INT_STA 0x0B
93#define STMPE811_REG_GPIO_INT_EN 0x0C
94#define STMPE811_REG_GPIO_INT_STA 0x0D
95#define STMPE811_REG_GPIO_SET_PIN 0x10
96#define STMPE811_REG_GPIO_CLR_PIN 0x11
97#define STMPE811_REG_GPIO_MP_STA 0x12
98#define STMPE811_REG_GPIO_DIR 0x13
99#define STMPE811_REG_GPIO_ED 0x14
100#define STMPE811_REG_GPIO_RE 0x15
101#define STMPE811_REG_GPIO_FE 0x16
102#define STMPE811_REG_GPIO_AF 0x17
103
104#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0)
105#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1)
106#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2)
107#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3)
108
109/*
110 * STMPE1601
111 */
112
113#define STMPE1601_IRQ_GPIOC 8
114#define STMPE1601_IRQ_PWM3 7
115#define STMPE1601_IRQ_PWM2 6
116#define STMPE1601_IRQ_PWM1 5
117#define STMPE1601_IRQ_PWM0 4
118#define STMPE1601_IRQ_KEYPAD_OVER 2
119#define STMPE1601_IRQ_KEYPAD 1
120#define STMPE1601_IRQ_WAKEUP 0
121#define STMPE1601_NR_INTERNAL_IRQS 9
122
123#define STMPE1601_REG_SYS_CTRL 0x02
124#define STMPE1601_REG_SYS_CTRL2 0x03
125#define STMPE1601_REG_ICR_LSB 0x11
126#define STMPE1601_REG_IER_LSB 0x13
127#define STMPE1601_REG_ISR_MSB 0x14
128#define STMPE1601_REG_CHIP_ID 0x80
129#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17
130#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18
131#define STMPE1601_REG_GPIO_MP_LSB 0x87
132#define STMPE1601_REG_GPIO_SET_LSB 0x83
133#define STMPE1601_REG_GPIO_CLR_LSB 0x85
134#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89
135#define STMPE1601_REG_GPIO_ED_MSB 0x8A
136#define STMPE1601_REG_GPIO_RE_LSB 0x8D
137#define STMPE1601_REG_GPIO_FE_LSB 0x8F
138#define STMPE1601_REG_GPIO_AF_U_MSB 0x92
139
140#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
141#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1)
142#define STMPE1601_SYSCON_ENABLE_SPWM (1 << 0)
143
144/* The 1601/2403 share the same masks */
145#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7)
146#define STPME1601_AUTOSLEEP_ENABLE (1 << 3)
147
148/*
149 * STMPE24xx
150 */
151
152#define STMPE24XX_IRQ_GPIOC 8
153#define STMPE24XX_IRQ_PWM2 7
154#define STMPE24XX_IRQ_PWM1 6
155#define STMPE24XX_IRQ_PWM0 5
156#define STMPE24XX_IRQ_ROT_OVER 4
157#define STMPE24XX_IRQ_ROT 3
158#define STMPE24XX_IRQ_KEYPAD_OVER 2
159#define STMPE24XX_IRQ_KEYPAD 1
160#define STMPE24XX_IRQ_WAKEUP 0
161#define STMPE24XX_NR_INTERNAL_IRQS 9
162
163#define STMPE24XX_REG_SYS_CTRL 0x02
164#define STMPE24XX_REG_ICR_LSB 0x11
165#define STMPE24XX_REG_IER_LSB 0x13
166#define STMPE24XX_REG_ISR_MSB 0x14
167#define STMPE24XX_REG_CHIP_ID 0x80
168#define STMPE24XX_REG_IEGPIOR_LSB 0x18
169#define STMPE24XX_REG_ISGPIOR_MSB 0x19
170#define STMPE24XX_REG_GPMR_LSB 0xA5
171#define STMPE24XX_REG_GPSR_LSB 0x85
172#define STMPE24XX_REG_GPCR_LSB 0x88
173#define STMPE24XX_REG_GPDR_LSB 0x8B
174#define STMPE24XX_REG_GPEDR_MSB 0x8C
175#define STMPE24XX_REG_GPRER_LSB 0x91
176#define STMPE24XX_REG_GPFER_LSB 0x94
177#define STMPE24XX_REG_GPAFR_U_MSB 0x9B
178
179#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
180#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2)
181#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1)
182#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0)
183
184#endif