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Rabin Vincent27e34992010-07-02 16:52:08 +05301/*
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
Viresh Kumar1a6e4b72011-11-17 11:02:20 +053011#include <linux/device.h>
12#include <linux/mfd/core.h>
13#include <linux/mfd/stmpe.h>
14#include <linux/printk.h>
15#include <linux/types.h>
16
17extern const struct dev_pm_ops stmpe_dev_pm_ops;
18
Rabin Vincent27e34992010-07-02 16:52:08 +053019#ifdef STMPE_DUMP_BYTES
20static inline void stmpe_dump_bytes(const char *str, const void *buf,
21 size_t len)
22{
23 print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
24}
25#else
26static inline void stmpe_dump_bytes(const char *str, const void *buf,
27 size_t len)
28{
29}
30#endif
31
32/**
33 * struct stmpe_variant_block - information about block
34 * @cell: base mfd cell
35 * @irq: interrupt number to be added to each IORESOURCE_IRQ
36 * in the cell
37 * @block: block id; used for identification with platform data and for
38 * enable and altfunc callbacks
39 */
40struct stmpe_variant_block {
Geert Uytterhoeven6bbb3c42013-11-18 14:33:01 +010041 const struct mfd_cell *cell;
Rabin Vincent27e34992010-07-02 16:52:08 +053042 int irq;
43 enum stmpe_block block;
44};
45
46/**
47 * struct stmpe_variant_info - variant-specific information
48 * @name: part name
49 * @id_val: content of CHIPID register
50 * @id_mask: bits valid in CHIPID register for comparison with id_val
51 * @num_gpios: number of GPIOS
52 * @af_bits: number of bits used to specify the alternate function
Om Prakash4dcaa6b2011-06-27 09:54:22 +020053 * @regs: variant specific registers.
Rabin Vincent27e34992010-07-02 16:52:08 +053054 * @blocks: list of blocks present on this device
55 * @num_blocks: number of blocks present on this device
56 * @num_irqs: number of internal IRQs available on this device
57 * @enable: callback to enable the specified blocks.
58 * Called with the I/O lock held.
59 * @get_altfunc: callback to get the alternate function number for the
60 * specific block
Sundar R Iyer5981f4e2010-07-21 11:41:07 +053061 * @enable_autosleep: callback to configure autosleep with specified timeout
Rabin Vincent27e34992010-07-02 16:52:08 +053062 */
63struct stmpe_variant_info {
64 const char *name;
65 u16 id_val;
66 u16 id_mask;
67 int num_gpios;
68 int af_bits;
69 const u8 *regs;
70 struct stmpe_variant_block *blocks;
71 int num_blocks;
72 int num_irqs;
73 int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
74 int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
Sundar R Iyer5981f4e2010-07-21 11:41:07 +053075 int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
Rabin Vincent27e34992010-07-02 16:52:08 +053076};
77
Viresh Kumar1a6e4b72011-11-17 11:02:20 +053078/**
79 * struct stmpe_client_info - i2c or spi specific routines/info
80 * @data: client specific data
81 * @read_byte: read single byte
82 * @write_byte: write single byte
83 * @read_block: read block or multiple bytes
84 * @write_block: write block or multiple bytes
85 * @init: client init routine, called during probe
86 */
87struct stmpe_client_info {
88 void *data;
89 int irq;
90 void *client;
91 struct device *dev;
92 int (*read_byte)(struct stmpe *stmpe, u8 reg);
93 int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val);
94 int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values);
95 int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len,
96 const u8 *values);
97 void (*init)(struct stmpe *stmpe);
98};
99
Lee Jonesc00572b2014-07-02 11:54:32 +0100100int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum);
Viresh Kumar1a6e4b72011-11-17 11:02:20 +0530101int stmpe_remove(struct stmpe *stmpe);
102
Rabin Vincent27e34992010-07-02 16:52:08 +0530103#define STMPE_ICR_LSB_HIGH (1 << 2)
104#define STMPE_ICR_LSB_EDGE (1 << 1)
105#define STMPE_ICR_LSB_GIM (1 << 0)
106
107/*
Viresh Kumar7f7f4ea2011-11-17 11:02:23 +0530108 * STMPE801
109 */
110#define STMPE801_ID 0x0108
111#define STMPE801_NR_INTERNAL_IRQS 1
112
113#define STMPE801_REG_CHIP_ID 0x00
114#define STMPE801_REG_VERSION_ID 0x02
115#define STMPE801_REG_SYS_CTRL 0x04
116#define STMPE801_REG_GPIO_INT_EN 0x08
117#define STMPE801_REG_GPIO_INT_STA 0x09
118#define STMPE801_REG_GPIO_MP_STA 0x10
119#define STMPE801_REG_GPIO_SET_PIN 0x11
120#define STMPE801_REG_GPIO_DIR 0x12
121
122#define STMPE801_REG_SYS_CTRL_RESET (1 << 7)
123#define STMPE801_REG_SYS_CTRL_INT_EN (1 << 2)
124#define STMPE801_REG_SYS_CTRL_INT_HI (1 << 0)
125
126/*
Rabin Vincent27e34992010-07-02 16:52:08 +0530127 * STMPE811
128 */
129
130#define STMPE811_IRQ_TOUCH_DET 0
131#define STMPE811_IRQ_FIFO_TH 1
132#define STMPE811_IRQ_FIFO_OFLOW 2
133#define STMPE811_IRQ_FIFO_FULL 3
134#define STMPE811_IRQ_FIFO_EMPTY 4
135#define STMPE811_IRQ_TEMP_SENS 5
136#define STMPE811_IRQ_ADC 6
137#define STMPE811_IRQ_GPIOC 7
138#define STMPE811_NR_INTERNAL_IRQS 8
139
140#define STMPE811_REG_CHIP_ID 0x00
141#define STMPE811_REG_SYS_CTRL2 0x04
Viresh Kumare7899952011-11-17 11:02:21 +0530142#define STMPE811_REG_SPI_CFG 0x08
Rabin Vincent27e34992010-07-02 16:52:08 +0530143#define STMPE811_REG_INT_CTRL 0x09
144#define STMPE811_REG_INT_EN 0x0A
145#define STMPE811_REG_INT_STA 0x0B
146#define STMPE811_REG_GPIO_INT_EN 0x0C
147#define STMPE811_REG_GPIO_INT_STA 0x0D
148#define STMPE811_REG_GPIO_SET_PIN 0x10
149#define STMPE811_REG_GPIO_CLR_PIN 0x11
150#define STMPE811_REG_GPIO_MP_STA 0x12
151#define STMPE811_REG_GPIO_DIR 0x13
152#define STMPE811_REG_GPIO_ED 0x14
153#define STMPE811_REG_GPIO_RE 0x15
154#define STMPE811_REG_GPIO_FE 0x16
155#define STMPE811_REG_GPIO_AF 0x17
156
157#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0)
158#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1)
159#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2)
160#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3)
161
162/*
163 * STMPE1601
164 */
165
166#define STMPE1601_IRQ_GPIOC 8
167#define STMPE1601_IRQ_PWM3 7
168#define STMPE1601_IRQ_PWM2 6
169#define STMPE1601_IRQ_PWM1 5
170#define STMPE1601_IRQ_PWM0 4
171#define STMPE1601_IRQ_KEYPAD_OVER 2
172#define STMPE1601_IRQ_KEYPAD 1
173#define STMPE1601_IRQ_WAKEUP 0
174#define STMPE1601_NR_INTERNAL_IRQS 9
175
176#define STMPE1601_REG_SYS_CTRL 0x02
Sundar R Iyer5981f4e2010-07-21 11:41:07 +0530177#define STMPE1601_REG_SYS_CTRL2 0x03
Rabin Vincent27e34992010-07-02 16:52:08 +0530178#define STMPE1601_REG_ICR_LSB 0x11
179#define STMPE1601_REG_IER_LSB 0x13
180#define STMPE1601_REG_ISR_MSB 0x14
181#define STMPE1601_REG_CHIP_ID 0x80
182#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17
183#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18
184#define STMPE1601_REG_GPIO_MP_LSB 0x87
185#define STMPE1601_REG_GPIO_SET_LSB 0x83
186#define STMPE1601_REG_GPIO_CLR_LSB 0x85
187#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89
188#define STMPE1601_REG_GPIO_ED_MSB 0x8A
189#define STMPE1601_REG_GPIO_RE_LSB 0x8D
190#define STMPE1601_REG_GPIO_FE_LSB 0x8F
191#define STMPE1601_REG_GPIO_AF_U_MSB 0x92
192
193#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
194#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1)
Linus Walleijb69d2ad2014-05-08 23:16:37 +0200195#define STMPE1601_SYS_CTRL_ENABLE_SPWM (1 << 0)
Rabin Vincent27e34992010-07-02 16:52:08 +0530196
Sundar R Iyer5981f4e2010-07-21 11:41:07 +0530197/* The 1601/2403 share the same masks */
198#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7)
199#define STPME1601_AUTOSLEEP_ENABLE (1 << 3)
200
Rabin Vincent27e34992010-07-02 16:52:08 +0530201/*
Jean-Nicolas Graux230f13a2013-04-09 10:35:19 +0200202 * STMPE1801
203 */
204#define STMPE1801_ID 0xc110
205#define STMPE1801_NR_INTERNAL_IRQS 5
206#define STMPE1801_IRQ_KEYPAD_COMBI 4
207#define STMPE1801_IRQ_GPIOC 3
208#define STMPE1801_IRQ_KEYPAD_OVER 2
209#define STMPE1801_IRQ_KEYPAD 1
210#define STMPE1801_IRQ_WAKEUP 0
211
212#define STMPE1801_REG_CHIP_ID 0x00
213#define STMPE1801_REG_SYS_CTRL 0x02
214#define STMPE1801_REG_INT_CTRL_LOW 0x04
215#define STMPE1801_REG_INT_EN_MASK_LOW 0x06
216#define STMPE1801_REG_INT_STA_LOW 0x08
217#define STMPE1801_REG_INT_EN_GPIO_MASK_LOW 0x0A
218#define STMPE1801_REG_INT_EN_GPIO_MASK_MID 0x0B
219#define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH 0x0C
220#define STMPE1801_REG_INT_STA_GPIO_LOW 0x0D
221#define STMPE1801_REG_INT_STA_GPIO_MID 0x0E
222#define STMPE1801_REG_INT_STA_GPIO_HIGH 0x0F
223#define STMPE1801_REG_GPIO_SET_LOW 0x10
224#define STMPE1801_REG_GPIO_SET_MID 0x11
225#define STMPE1801_REG_GPIO_SET_HIGH 0x12
226#define STMPE1801_REG_GPIO_CLR_LOW 0x13
227#define STMPE1801_REG_GPIO_CLR_MID 0x14
228#define STMPE1801_REG_GPIO_CLR_HIGH 0x15
229#define STMPE1801_REG_GPIO_MP_LOW 0x16
230#define STMPE1801_REG_GPIO_MP_MID 0x17
231#define STMPE1801_REG_GPIO_MP_HIGH 0x18
232#define STMPE1801_REG_GPIO_SET_DIR_LOW 0x19
233#define STMPE1801_REG_GPIO_SET_DIR_MID 0x1A
234#define STMPE1801_REG_GPIO_SET_DIR_HIGH 0x1B
235#define STMPE1801_REG_GPIO_RE_LOW 0x1C
236#define STMPE1801_REG_GPIO_RE_MID 0x1D
237#define STMPE1801_REG_GPIO_RE_HIGH 0x1E
238#define STMPE1801_REG_GPIO_FE_LOW 0x1F
239#define STMPE1801_REG_GPIO_FE_MID 0x20
240#define STMPE1801_REG_GPIO_FE_HIGH 0x21
241#define STMPE1801_REG_GPIO_PULL_UP_LOW 0x22
242#define STMPE1801_REG_GPIO_PULL_UP_MID 0x23
243#define STMPE1801_REG_GPIO_PULL_UP_HIGH 0x24
244
245#define STMPE1801_MSK_SYS_CTRL_RESET (1 << 7)
246
247#define STMPE1801_MSK_INT_EN_KPC (1 << 1)
248#define STMPE1801_MSK_INT_EN_GPIO (1 << 3)
249
250/*
Rabin Vincent27e34992010-07-02 16:52:08 +0530251 * STMPE24xx
252 */
253
254#define STMPE24XX_IRQ_GPIOC 8
255#define STMPE24XX_IRQ_PWM2 7
256#define STMPE24XX_IRQ_PWM1 6
257#define STMPE24XX_IRQ_PWM0 5
258#define STMPE24XX_IRQ_ROT_OVER 4
259#define STMPE24XX_IRQ_ROT 3
260#define STMPE24XX_IRQ_KEYPAD_OVER 2
261#define STMPE24XX_IRQ_KEYPAD 1
262#define STMPE24XX_IRQ_WAKEUP 0
263#define STMPE24XX_NR_INTERNAL_IRQS 9
264
265#define STMPE24XX_REG_SYS_CTRL 0x02
266#define STMPE24XX_REG_ICR_LSB 0x11
267#define STMPE24XX_REG_IER_LSB 0x13
268#define STMPE24XX_REG_ISR_MSB 0x14
269#define STMPE24XX_REG_CHIP_ID 0x80
270#define STMPE24XX_REG_IEGPIOR_LSB 0x18
271#define STMPE24XX_REG_ISGPIOR_MSB 0x19
272#define STMPE24XX_REG_GPMR_LSB 0xA5
273#define STMPE24XX_REG_GPSR_LSB 0x85
274#define STMPE24XX_REG_GPCR_LSB 0x88
275#define STMPE24XX_REG_GPDR_LSB 0x8B
276#define STMPE24XX_REG_GPEDR_MSB 0x8C
277#define STMPE24XX_REG_GPRER_LSB 0x91
278#define STMPE24XX_REG_GPFER_LSB 0x94
279#define STMPE24XX_REG_GPAFR_U_MSB 0x9B
280
281#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
282#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2)
283#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1)
284#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0)
285
286#endif