summaryrefslogtreecommitdiff
path: root/include/linux/i2c/twl4030.h
blob: 007572536ea952110352120c594acfff0bc00723 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
/*
 * twl4030.h - header for TWL4030 PM and audio CODEC device
 *
 * Copyright (C) 2005-2006 Texas Instruments, Inc.
 *
 * Based on tlv320aic23.c:
 * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#ifndef __TWL4030_H_
#define __TWL4030_H_

#include <linux/types.h>
#include <linux/input/matrix_keypad.h>

/*
 * Using the twl4030 core we address registers using a pair
 *	{ module id, relative register offset }
 * which that core then maps to the relevant
 *	{ i2c slave, absolute register address }
 *
 * The module IDs are meaningful only to the twl4030 core code,
 * which uses them as array indices to look up the first register
 * address each module uses within a given i2c slave.
 */

/* Slave 0 (i2c address 0x48) */
#define TWL4030_MODULE_USB		0x00

/* Slave 1 (i2c address 0x49) */
#define TWL4030_MODULE_AUDIO_VOICE	0x01
#define TWL4030_MODULE_GPIO		0x02
#define TWL4030_MODULE_INTBR		0x03
#define TWL4030_MODULE_PIH		0x04
#define TWL4030_MODULE_TEST		0x05

/* Slave 2 (i2c address 0x4a) */
#define TWL4030_MODULE_KEYPAD		0x06
#define TWL4030_MODULE_MADC		0x07
#define TWL4030_MODULE_INTERRUPTS	0x08
#define TWL4030_MODULE_LED		0x09
#define TWL4030_MODULE_MAIN_CHARGE	0x0A
#define TWL4030_MODULE_PRECHARGE	0x0B
#define TWL4030_MODULE_PWM0		0x0C
#define TWL4030_MODULE_PWM1		0x0D
#define TWL4030_MODULE_PWMA		0x0E
#define TWL4030_MODULE_PWMB		0x0F

/* Slave 3 (i2c address 0x4b) */
#define TWL4030_MODULE_BACKUP		0x10
#define TWL4030_MODULE_INT		0x11
#define TWL4030_MODULE_PM_MASTER	0x12
#define TWL4030_MODULE_PM_RECEIVER	0x13
#define TWL4030_MODULE_RTC		0x14
#define TWL4030_MODULE_SECURED_REG	0x15

/*
 * Read and write single 8-bit registers
 */
int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg);
int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg);

/*
 * Read and write several 8-bit registers at once.
 *
 * IMPORTANT:  For twl4030_i2c_write(), allocate num_bytes + 1
 * for the value, and populate your data starting at offset 1.
 */
int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);

/*----------------------------------------------------------------------*/

/*
 * NOTE:  at up to 1024 registers, this is a big chip.
 *
 * Avoid putting register declarations in this file, instead of into
 * a driver-private file, unless some of the registers in a block
 * need to be shared with other drivers.  One example is blocks that
 * have Secondary IRQ Handler (SIH) registers.
 */

#define TWL4030_SIH_CTRL_EXCLEN_MASK	BIT(0)
#define TWL4030_SIH_CTRL_PENDDIS_MASK	BIT(1)
#define TWL4030_SIH_CTRL_COR_MASK	BIT(2)

/*----------------------------------------------------------------------*/

/*
 * GPIO Block Register offsets (use TWL4030_MODULE_GPIO)
 */

#define REG_GPIODATAIN1			0x0
#define REG_GPIODATAIN2			0x1
#define REG_GPIODATAIN3			0x2
#define REG_GPIODATADIR1		0x3
#define REG_GPIODATADIR2		0x4
#define REG_GPIODATADIR3		0x5
#define REG_GPIODATAOUT1		0x6
#define REG_GPIODATAOUT2		0x7
#define REG_GPIODATAOUT3		0x8
#define REG_CLEARGPIODATAOUT1		0x9
#define REG_CLEARGPIODATAOUT2		0xA
#define REG_CLEARGPIODATAOUT3		0xB
#define REG_SETGPIODATAOUT1		0xC
#define REG_SETGPIODATAOUT2		0xD
#define REG_SETGPIODATAOUT3		0xE
#define REG_GPIO_DEBEN1			0xF
#define REG_GPIO_DEBEN2			0x10
#define REG_GPIO_DEBEN3			0x11
#define REG_GPIO_CTRL			0x12
#define REG_GPIOPUPDCTR1		0x13
#define REG_GPIOPUPDCTR2		0x14
#define REG_GPIOPUPDCTR3		0x15
#define REG_GPIOPUPDCTR4		0x16
#define REG_GPIOPUPDCTR5		0x17
#define REG_GPIO_ISR1A			0x19
#define REG_GPIO_ISR2A			0x1A
#define REG_GPIO_ISR3A			0x1B
#define REG_GPIO_IMR1A			0x1C
#define REG_GPIO_IMR2A			0x1D
#define REG_GPIO_IMR3A			0x1E
#define REG_GPIO_ISR1B			0x1F
#define REG_GPIO_ISR2B			0x20
#define REG_GPIO_ISR3B			0x21
#define REG_GPIO_IMR1B			0x22
#define REG_GPIO_IMR2B			0x23
#define REG_GPIO_IMR3B			0x24
#define REG_GPIO_EDR1			0x28
#define REG_GPIO_EDR2			0x29
#define REG_GPIO_EDR3			0x2A
#define REG_GPIO_EDR4			0x2B
#define REG_GPIO_EDR5			0x2C
#define REG_GPIO_SIH_CTRL		0x2D

/* Up to 18 signals are available as GPIOs, when their
 * pins are not assigned to another use (such as ULPI/USB).
 */
#define TWL4030_GPIO_MAX		18

/*----------------------------------------------------------------------*/

/*
 * Keypad register offsets (use TWL4030_MODULE_KEYPAD)
 * ... SIH/interrupt only
 */

#define TWL4030_KEYPAD_KEYP_ISR1	0x11
#define TWL4030_KEYPAD_KEYP_IMR1	0x12
#define TWL4030_KEYPAD_KEYP_ISR2	0x13
#define TWL4030_KEYPAD_KEYP_IMR2	0x14
#define TWL4030_KEYPAD_KEYP_SIR		0x15	/* test register */
#define TWL4030_KEYPAD_KEYP_EDR		0x16
#define TWL4030_KEYPAD_KEYP_SIH_CTRL	0x17

/*----------------------------------------------------------------------*/

/*
 * Multichannel ADC register offsets (use TWL4030_MODULE_MADC)
 * ... SIH/interrupt only
 */

#define TWL4030_MADC_ISR1		0x61
#define TWL4030_MADC_IMR1		0x62
#define TWL4030_MADC_ISR2		0x63
#define TWL4030_MADC_IMR2		0x64
#define TWL4030_MADC_SIR		0x65	/* test register */
#define TWL4030_MADC_EDR		0x66
#define TWL4030_MADC_SIH_CTRL		0x67

/*----------------------------------------------------------------------*/

/*
 * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS)
 */

#define TWL4030_INTERRUPTS_BCIISR1A	0x0
#define TWL4030_INTERRUPTS_BCIISR2A	0x1
#define TWL4030_INTERRUPTS_BCIIMR1A	0x2
#define TWL4030_INTERRUPTS_BCIIMR2A	0x3
#define TWL4030_INTERRUPTS_BCIISR1B	0x4
#define TWL4030_INTERRUPTS_BCIISR2B	0x5
#define TWL4030_INTERRUPTS_BCIIMR1B	0x6
#define TWL4030_INTERRUPTS_BCIIMR2B	0x7
#define TWL4030_INTERRUPTS_BCISIR1	0x8	/* test register */
#define TWL4030_INTERRUPTS_BCISIR2	0x9	/* test register */
#define TWL4030_INTERRUPTS_BCIEDR1	0xa
#define TWL4030_INTERRUPTS_BCIEDR2	0xb
#define TWL4030_INTERRUPTS_BCIEDR3	0xc
#define TWL4030_INTERRUPTS_BCISIHCTRL	0xd

/*----------------------------------------------------------------------*/

/*
 * Power Interrupt block register offsets (use TWL4030_MODULE_INT)
 */

#define TWL4030_INT_PWR_ISR1		0x0
#define TWL4030_INT_PWR_IMR1		0x1
#define TWL4030_INT_PWR_ISR2		0x2
#define TWL4030_INT_PWR_IMR2		0x3
#define TWL4030_INT_PWR_SIR		0x4	/* test register */
#define TWL4030_INT_PWR_EDR1		0x5
#define TWL4030_INT_PWR_EDR2		0x6
#define TWL4030_INT_PWR_SIH_CTRL	0x7

/*----------------------------------------------------------------------*/

/* Power bus message definitions */

#define DEV_GRP_NULL		0x0
#define DEV_GRP_P1		0x1
#define DEV_GRP_P2		0x2
#define DEV_GRP_P3		0x4

#define RES_GRP_RES		0x0
#define RES_GRP_PP		0x1
#define RES_GRP_RC		0x2
#define RES_GRP_PP_RC		0x3
#define RES_GRP_PR		0x4
#define RES_GRP_PP_PR		0x5
#define RES_GRP_RC_PR		0x6
#define RES_GRP_ALL		0x7

#define RES_TYPE2_R0		0x0

#define RES_TYPE_ALL		0x7

#define RES_STATE_WRST		0xF
#define RES_STATE_ACTIVE	0xE
#define RES_STATE_SLEEP		0x8
#define RES_STATE_OFF		0x0

/*
 * Power Bus Message Format ... these can be sent individually by Linux,
 * but are usually part of downloaded scripts that are run when various
 * power events are triggered.
 *
 *  Broadcast Message (16 Bits):
 *    DEV_GRP[15:13] MT[12]  RES_GRP[11:9]  RES_TYPE2[8:7] RES_TYPE[6:4]
 *    RES_STATE[3:0]
 *
 *  Singular Message (16 Bits):
 *    DEV_GRP[15:13] MT[12]  RES_ID[11:4]  RES_STATE[3:0]
 */

#define MSG_BROADCAST(devgrp, grp, type, type2, state) \
	( (devgrp) << 13 | 1 << 12 | (grp) << 9 | (type2) << 7 \
	| (type) << 4 | (state))

#define MSG_SINGULAR(devgrp, id, state) \
	((devgrp) << 13 | 0 << 12 | (id) << 4 | (state))

/*----------------------------------------------------------------------*/

struct twl4030_bci_platform_data {
	int *battery_tmp_tbl;
	unsigned int tblsize;
};

/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */
struct twl4030_gpio_platform_data {
	int		gpio_base;
	unsigned	irq_base, irq_end;

	/* package the two LED signals as output-only GPIOs? */
	bool		use_leds;

	/* gpio-n should control VMMC(n+1) if BIT(n) in mmc_cd is set */
	u8		mmc_cd;

	/* if BIT(N) is set, or VMMC(n+1) is linked, debounce GPIO-N */
	u32		debounce;

	/* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
	 * should be enabled.  Else, if that bit is set in "pulldowns",
	 * that pulldown is enabled.  Don't waste power by letting any
	 * digital inputs float...
	 */
	u32		pullups;
	u32		pulldowns;

	int		(*setup)(struct device *dev,
				unsigned gpio, unsigned ngpio);
	int		(*teardown)(struct device *dev,
				unsigned gpio, unsigned ngpio);
};

struct twl4030_madc_platform_data {
	int		irq_line;
};

/* Boards have uniqe mappings of {row, col} --> keycode.
 * Column and row are 8 bits each, but range only from 0..7.
 * a PERSISTENT_KEY is "always on" and never reported.
 */
#define PERSISTENT_KEY(r, c)	KEY((r), (c), KEY_RESERVED)

struct twl4030_keypad_data {
	const struct matrix_keymap_data *keymap_data;
	unsigned rows;
	unsigned cols;
	bool rep;
};

enum twl4030_usb_mode {
	T2_USB_MODE_ULPI = 1,
	T2_USB_MODE_CEA2011_3PIN = 2,
};

struct twl4030_usb_data {
	enum twl4030_usb_mode	usb_mode;
};

struct twl4030_platform_data {
	unsigned				irq_base, irq_end;
	struct twl4030_bci_platform_data	*bci;
	struct twl4030_gpio_platform_data	*gpio;
	struct twl4030_madc_platform_data	*madc;
	struct twl4030_keypad_data		*keypad;
	struct twl4030_usb_data			*usb;

	/* LDO regulators */
	struct regulator_init_data		*vdac;
	struct regulator_init_data		*vpll1;
	struct regulator_init_data		*vpll2;
	struct regulator_init_data		*vmmc1;
	struct regulator_init_data		*vmmc2;
	struct regulator_init_data		*vsim;
	struct regulator_init_data		*vaux1;
	struct regulator_init_data		*vaux2;
	struct regulator_init_data		*vaux3;
	struct regulator_init_data		*vaux4;

	/* REVISIT more to come ... _nothing_ should be hard-wired */
};

/*----------------------------------------------------------------------*/

int twl4030_sih_setup(int module);

/* Offsets to Power Registers */
#define TWL4030_VDAC_DEV_GRP		0x3B
#define TWL4030_VDAC_DEDICATED		0x3E
#define TWL4030_VAUX1_DEV_GRP		0x17
#define TWL4030_VAUX1_DEDICATED		0x1A
#define TWL4030_VAUX2_DEV_GRP		0x1B
#define TWL4030_VAUX2_DEDICATED		0x1E
#define TWL4030_VAUX3_DEV_GRP		0x1F
#define TWL4030_VAUX3_DEDICATED		0x22


#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
	extern int twl4030charger_usb_en(int enable);
#else
	static inline int twl4030charger_usb_en(int enable) { return 0; }
#endif

/*----------------------------------------------------------------------*/

/* Linux-specific regulator identifiers ... for now, we only support
 * the LDOs, and leave the three buck converters alone.  VDD1 and VDD2
 * need to tie into hardware based voltage scaling (cpufreq etc), while
 * VIO is generally fixed.
 */

/* EXTERNAL dc-to-dc buck converters */
#define TWL4030_REG_VDD1	0
#define TWL4030_REG_VDD2	1
#define TWL4030_REG_VIO		2

/* EXTERNAL LDOs */
#define TWL4030_REG_VDAC	3
#define TWL4030_REG_VPLL1	4
#define TWL4030_REG_VPLL2	5	/* not on all chips */
#define TWL4030_REG_VMMC1	6
#define TWL4030_REG_VMMC2	7	/* not on all chips */
#define TWL4030_REG_VSIM	8	/* not on all chips */
#define TWL4030_REG_VAUX1	9	/* not on all chips */
#define TWL4030_REG_VAUX2_4030	10	/* (twl4030-specific) */
#define TWL4030_REG_VAUX2	11	/* (twl5030 and newer) */
#define TWL4030_REG_VAUX3	12	/* not on all chips */
#define TWL4030_REG_VAUX4	13	/* not on all chips */

/* INTERNAL LDOs */
#define TWL4030_REG_VINTANA1	14
#define TWL4030_REG_VINTANA2	15
#define TWL4030_REG_VINTDIG	16
#define TWL4030_REG_VUSB1V5	17
#define TWL4030_REG_VUSB1V8	18
#define TWL4030_REG_VUSB3V1	19

#endif /* End of __TWL4030_H */