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udf: BKL ioctl pushdown
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / mfd / 88pm860x-core.c
blob6a14d2b1ccf02e3bfe6701bf086ba500c9e98d6b
1 /*
2 * Base driver for Marvell 88PM8607
3 *
4 * Copyright (C) 2009 Marvell International Ltd.
5 * Haojian Zhuang <haojian.zhuang@marvell.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/i2c.h>
15 #include <linux/irq.h>
16 #include <linux/interrupt.h>
17 #include <linux/platform_device.h>
18 #include <linux/mfd/core.h>
19 #include <linux/mfd/88pm860x.h>
20
21 #define INT_STATUS_NUM 3
22
23 char pm860x_backlight_name[][MFD_NAME_SIZE] = {
24 "backlight-0",
25 "backlight-1",
26 "backlight-2",
27 };
28 EXPORT_SYMBOL(pm860x_backlight_name);
29
30 char pm860x_led_name[][MFD_NAME_SIZE] = {
31 "led0-red",
32 "led0-green",
33 "led0-blue",
34 "led1-red",
35 "led1-green",
36 "led1-blue",
37 };
38 EXPORT_SYMBOL(pm860x_led_name);
39
40 #define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
41 { \
42 .name = pm860x_backlight_name[_i], \
43 .start = PM8606_##_x, \
44 .end = PM8606_##_x, \
45 .flags = IORESOURCE_IO, \
46 }
47
48 static struct resource backlight_resources[] = {
49 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
50 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
51 PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
52 };
53
54 #define PM8606_BACKLIGHT_DEVS(_i) \
55 { \
56 .name = "88pm860x-backlight", \
57 .num_resources = 1, \
58 .resources = &backlight_resources[_i], \
59 .id = _i, \
60 }
61
62 static struct mfd_cell backlight_devs[] = {
63 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
64 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
65 PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
66 };
67
68 #define PM8606_LED_RESOURCE(_i, _x) \
69 { \
70 .name = pm860x_led_name[_i], \
71 .start = PM8606_##_x, \
72 .end = PM8606_##_x, \
73 .flags = IORESOURCE_IO, \
74 }
75
76 static struct resource led_resources[] = {
77 PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
78 PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
79 PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
80 PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
81 PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
82 PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
83 };
84
85 #define PM8606_LED_DEVS(_i) \
86 { \
87 .name = "88pm860x-led", \
88 .num_resources = 1, \
89 .resources = &led_resources[_i], \
90 .id = _i, \
91 }
92
93 static struct mfd_cell led_devs[] = {
94 PM8606_LED_DEVS(PM8606_LED1_RED),
95 PM8606_LED_DEVS(PM8606_LED1_GREEN),
96 PM8606_LED_DEVS(PM8606_LED1_BLUE),
97 PM8606_LED_DEVS(PM8606_LED2_RED),
98 PM8606_LED_DEVS(PM8606_LED2_GREEN),
99 PM8606_LED_DEVS(PM8606_LED2_BLUE),
100 };
101
102 static struct resource touch_resources[] = {
103 {
104 .start = PM8607_IRQ_PEN,
105 .end = PM8607_IRQ_PEN,
106 .flags = IORESOURCE_IRQ,
107 },
108 };
109
110 static struct mfd_cell touch_devs[] = {
111 {
112 .name = "88pm860x-touch",
113 .num_resources = 1,
114 .resources = &touch_resources[0],
115 },
116 };
117
118 #define PM8607_REG_RESOURCE(_start, _end) \
119 { \
120 .start = PM8607_##_start, \
121 .end = PM8607_##_end, \
122 .flags = IORESOURCE_IO, \
123 }
124
125 static struct resource power_supply_resources[] = {
126 {
127 .name = "88pm860x-power",
128 .start = PM8607_IRQ_CHG,
129 .end = PM8607_IRQ_CHG,
130 .flags = IORESOURCE_IRQ,
131 },
132 };
133
134 static struct mfd_cell power_devs[] = {
135 {
136 .name = "88pm860x-power",
137 .num_resources = 1,
138 .resources = &power_supply_resources[0],
139 .id = -1,
140 },
141 };
142
143 static struct resource onkey_resources[] = {
144 {
145 .name = "88pm860x-onkey",
146 .start = PM8607_IRQ_ONKEY,
147 .end = PM8607_IRQ_ONKEY,
148 .flags = IORESOURCE_IRQ,
149 },
150 };
151
152 static struct mfd_cell onkey_devs[] = {
153 {
154 .name = "88pm860x-onkey",
155 .num_resources = 1,
156 .resources = &onkey_resources[0],
157 .id = -1,
158 },
159 };
160
161 static struct resource regulator_resources[] = {
162 PM8607_REG_RESOURCE(BUCK1, BUCK1),
163 PM8607_REG_RESOURCE(BUCK2, BUCK2),
164 PM8607_REG_RESOURCE(BUCK3, BUCK3),
165 PM8607_REG_RESOURCE(LDO1, LDO1),
166 PM8607_REG_RESOURCE(LDO2, LDO2),
167 PM8607_REG_RESOURCE(LDO3, LDO3),
168 PM8607_REG_RESOURCE(LDO4, LDO4),
169 PM8607_REG_RESOURCE(LDO5, LDO5),
170 PM8607_REG_RESOURCE(LDO6, LDO6),
171 PM8607_REG_RESOURCE(LDO7, LDO7),
172 PM8607_REG_RESOURCE(LDO8, LDO8),
173 PM8607_REG_RESOURCE(LDO9, LDO9),
174 PM8607_REG_RESOURCE(LDO10, LDO10),
175 PM8607_REG_RESOURCE(LDO12, LDO12),
176 PM8607_REG_RESOURCE(LDO14, LDO14),
177 };
178
179 #define PM8607_REG_DEVS(_name, _id) \
180 { \
181 .name = "88pm8607-" #_name, \
182 .num_resources = 1, \
183 .resources = &regulator_resources[PM8607_ID_##_id], \
184 .id = PM8607_ID_##_id, \
185 }
186
187 static struct mfd_cell regulator_devs[] = {
188 PM8607_REG_DEVS(buck1, BUCK1),
189 PM8607_REG_DEVS(buck2, BUCK2),
190 PM8607_REG_DEVS(buck3, BUCK3),
191 PM8607_REG_DEVS(ldo1, LDO1),
192 PM8607_REG_DEVS(ldo2, LDO2),
193 PM8607_REG_DEVS(ldo3, LDO3),
194 PM8607_REG_DEVS(ldo4, LDO4),
195 PM8607_REG_DEVS(ldo5, LDO5),
196 PM8607_REG_DEVS(ldo6, LDO6),
197 PM8607_REG_DEVS(ldo7, LDO7),
198 PM8607_REG_DEVS(ldo8, LDO8),
199 PM8607_REG_DEVS(ldo9, LDO9),
200 PM8607_REG_DEVS(ldo10, LDO10),
201 PM8607_REG_DEVS(ldo12, LDO12),
202 PM8607_REG_DEVS(ldo14, LDO14),
203 };
204
205 struct pm860x_irq_data {
206 int reg;
207 int mask_reg;
208 int enable; /* enable or not */
209 int offs; /* bit offset in mask register */
210 };
211
212 static struct pm860x_irq_data pm860x_irqs[] = {
213 [PM8607_IRQ_ONKEY] = {
214 .reg = PM8607_INT_STATUS1,
215 .mask_reg = PM8607_INT_MASK_1,
216 .offs = 1 << 0,
217 },
218 [PM8607_IRQ_EXTON] = {
219 .reg = PM8607_INT_STATUS1,
220 .mask_reg = PM8607_INT_MASK_1,
221 .offs = 1 << 1,
222 },
223 [PM8607_IRQ_CHG] = {
224 .reg = PM8607_INT_STATUS1,
225 .mask_reg = PM8607_INT_MASK_1,
226 .offs = 1 << 2,
227 },
228 [PM8607_IRQ_BAT] = {
229 .reg = PM8607_INT_STATUS1,
230 .mask_reg = PM8607_INT_MASK_1,
231 .offs = 1 << 3,
232 },
233 [PM8607_IRQ_RTC] = {
234 .reg = PM8607_INT_STATUS1,
235 .mask_reg = PM8607_INT_MASK_1,
236 .offs = 1 << 4,
237 },
238 [PM8607_IRQ_CC] = {
239 .reg = PM8607_INT_STATUS1,
240 .mask_reg = PM8607_INT_MASK_1,
241 .offs = 1 << 5,
242 },
243 [PM8607_IRQ_VBAT] = {
244 .reg = PM8607_INT_STATUS2,
245 .mask_reg = PM8607_INT_MASK_2,
246 .offs = 1 << 0,
247 },
248 [PM8607_IRQ_VCHG] = {
249 .reg = PM8607_INT_STATUS2,
250 .mask_reg = PM8607_INT_MASK_2,
251 .offs = 1 << 1,
252 },
253 [PM8607_IRQ_VSYS] = {
254 .reg = PM8607_INT_STATUS2,
255 .mask_reg = PM8607_INT_MASK_2,
256 .offs = 1 << 2,
257 },
258 [PM8607_IRQ_TINT] = {
259 .reg = PM8607_INT_STATUS2,
260 .mask_reg = PM8607_INT_MASK_2,
261 .offs = 1 << 3,
262 },
263 [PM8607_IRQ_GPADC0] = {
264 .reg = PM8607_INT_STATUS2,
265 .mask_reg = PM8607_INT_MASK_2,
266 .offs = 1 << 4,
267 },
268 [PM8607_IRQ_GPADC1] = {
269 .reg = PM8607_INT_STATUS2,
270 .mask_reg = PM8607_INT_MASK_2,
271 .offs = 1 << 5,
272 },
273 [PM8607_IRQ_GPADC2] = {
274 .reg = PM8607_INT_STATUS2,
275 .mask_reg = PM8607_INT_MASK_2,
276 .offs = 1 << 6,
277 },
278 [PM8607_IRQ_GPADC3] = {
279 .reg = PM8607_INT_STATUS2,
280 .mask_reg = PM8607_INT_MASK_2,
281 .offs = 1 << 7,
282 },
283 [PM8607_IRQ_AUDIO_SHORT] = {
284 .reg = PM8607_INT_STATUS3,
285 .mask_reg = PM8607_INT_MASK_3,
286 .offs = 1 << 0,
287 },
288 [PM8607_IRQ_PEN] = {
289 .reg = PM8607_INT_STATUS3,
290 .mask_reg = PM8607_INT_MASK_3,
291 .offs = 1 << 1,
292 },
293 [PM8607_IRQ_HEADSET] = {
294 .reg = PM8607_INT_STATUS3,
295 .mask_reg = PM8607_INT_MASK_3,
296 .offs = 1 << 2,
297 },
298 [PM8607_IRQ_HOOK] = {
299 .reg = PM8607_INT_STATUS3,
300 .mask_reg = PM8607_INT_MASK_3,
301 .offs = 1 << 3,
302 },
303 [PM8607_IRQ_MICIN] = {
304 .reg = PM8607_INT_STATUS3,
305 .mask_reg = PM8607_INT_MASK_3,
306 .offs = 1 << 4,
307 },
308 [PM8607_IRQ_CHG_FAIL] = {
309 .reg = PM8607_INT_STATUS3,
310 .mask_reg = PM8607_INT_MASK_3,
311 .offs = 1 << 5,
312 },
313 [PM8607_IRQ_CHG_DONE] = {
314 .reg = PM8607_INT_STATUS3,
315 .mask_reg = PM8607_INT_MASK_3,
316 .offs = 1 << 6,
317 },
318 [PM8607_IRQ_CHG_FAULT] = {
319 .reg = PM8607_INT_STATUS3,
320 .mask_reg = PM8607_INT_MASK_3,
321 .offs = 1 << 7,
322 },
323 };
324
325 static inline struct pm860x_irq_data *irq_to_pm860x(struct pm860x_chip *chip,
326 int irq)
327 {
328 return &pm860x_irqs[irq - chip->irq_base];
329 }
330
331 static irqreturn_t pm860x_irq(int irq, void *data)
332 {
333 struct pm860x_chip *chip = data;
334 struct pm860x_irq_data *irq_data;
335 struct i2c_client *i2c;
336 int read_reg = -1, value = 0;
337 int i;
338
339 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
340 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
341 irq_data = &pm860x_irqs[i];
342 if (read_reg != irq_data->reg) {
343 read_reg = irq_data->reg;
344 value = pm860x_reg_read(i2c, irq_data->reg);
345 }
346 if (value & irq_data->enable)
347 handle_nested_irq(chip->irq_base + i);
348 }
349 return IRQ_HANDLED;
350 }
351
352 static void pm860x_irq_lock(unsigned int irq)
353 {
354 struct pm860x_chip *chip = get_irq_chip_data(irq);
355
356 mutex_lock(&chip->irq_lock);
357 }
358
359 static void pm860x_irq_sync_unlock(unsigned int irq)
360 {
361 struct pm860x_chip *chip = get_irq_chip_data(irq);
362 struct pm860x_irq_data *irq_data;
363 struct i2c_client *i2c;
364 static unsigned char cached[3] = {0x0, 0x0, 0x0};
365 unsigned char mask[3];
366 int i;
367
368 i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
369 /* Load cached value. In initial, all IRQs are masked */
370 for (i = 0; i < 3; i++)
371 mask[i] = cached[i];
372 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
373 irq_data = &pm860x_irqs[i];
374 switch (irq_data->mask_reg) {
375 case PM8607_INT_MASK_1:
376 mask[0] &= ~irq_data->offs;
377 mask[0] |= irq_data->enable;
378 break;
379 case PM8607_INT_MASK_2:
380 mask[1] &= ~irq_data->offs;
381 mask[1] |= irq_data->enable;
382 break;
383 case PM8607_INT_MASK_3:
384 mask[2] &= ~irq_data->offs;
385 mask[2] |= irq_data->enable;
386 break;
387 default:
388 dev_err(chip->dev, "wrong IRQ\n");
389 break;
390 }
391 }
392 /* update mask into registers */
393 for (i = 0; i < 3; i++) {
394 if (mask[i] != cached[i]) {
395 cached[i] = mask[i];
396 pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
397 }
398 }
399
400 mutex_unlock(&chip->irq_lock);
401 }
402
403 static void pm860x_irq_enable(unsigned int irq)
404 {
405 struct pm860x_chip *chip = get_irq_chip_data(irq);
406 pm860x_irqs[irq - chip->irq_base].enable
407 = pm860x_irqs[irq - chip->irq_base].offs;
408 }
409
410 static void pm860x_irq_disable(unsigned int irq)
411 {
412 struct pm860x_chip *chip = get_irq_chip_data(irq);
413 pm860x_irqs[irq - chip->irq_base].enable = 0;
414 }
415
416 static struct irq_chip pm860x_irq_chip = {
417 .name = "88pm860x",
418 .bus_lock = pm860x_irq_lock,
419 .bus_sync_unlock = pm860x_irq_sync_unlock,
420 .enable = pm860x_irq_enable,
421 .disable = pm860x_irq_disable,
422 };
423
424 static int __devinit device_gpadc_init(struct pm860x_chip *chip,
425 struct pm860x_platform_data *pdata)
426 {
427 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
428 : chip->companion;
429 int use_gpadc = 0, data, ret;
430
431 /* initialize GPADC without activating it */
432
433 if (pdata && pdata->touch) {
434 /* set GPADC MISC1 register */
435 data = 0;
436 data |= (pdata->touch->gpadc_prebias << 1)
437 & PM8607_GPADC_PREBIAS_MASK;
438 data |= (pdata->touch->slot_cycle << 3)
439 & PM8607_GPADC_SLOT_CYCLE_MASK;
440 data |= (pdata->touch->off_scale << 5)
441 & PM8607_GPADC_OFF_SCALE_MASK;
442 data |= (pdata->touch->sw_cal << 7)
443 & PM8607_GPADC_SW_CAL_MASK;
444 if (data) {
445 ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
446 if (ret < 0)
447 goto out;
448 }
449 /* set tsi prebias time */
450 if (pdata->touch->tsi_prebias) {
451 data = pdata->touch->tsi_prebias;
452 ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
453 if (ret < 0)
454 goto out;
455 }
456 /* set prebias & prechg time of pen detect */
457 data = 0;
458 data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
459 data |= (pdata->touch->pen_prechg << 5)
460 & PM8607_PD_PRECHG_MASK;
461 if (data) {
462 ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
463 if (ret < 0)
464 goto out;
465 }
466
467 use_gpadc = 1;
468 }
469
470 /* turn on GPADC */
471 if (use_gpadc) {
472 ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
473 PM8607_GPADC_EN, PM8607_GPADC_EN);
474 }
475 out:
476 return ret;
477 }
478
479 static int __devinit device_irq_init(struct pm860x_chip *chip,
480 struct pm860x_platform_data *pdata)
481 {
482 struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
483 : chip->companion;
484 unsigned char status_buf[INT_STATUS_NUM];
485 unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
486 struct irq_desc *desc;
487 int i, data, mask, ret = -EINVAL;
488 int __irq;
489
490 if (!pdata || !pdata->irq_base) {
491 dev_warn(chip->dev, "No interrupt support on IRQ base\n");
492 return -EINVAL;
493 }
494
495 mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
496 | PM8607_B0_MISC1_INT_MASK;
497 data = 0;
498 chip->irq_mode = 0;
499 if (pdata && pdata->irq_mode) {
500 /*
501 * irq_mode defines the way of clearing interrupt. If it's 1,
502 * clear IRQ by write. Otherwise, clear it by read.
503 * This control bit is valid from 88PM8607 B0 steping.
504 */
505 data |= PM8607_B0_MISC1_INT_CLEAR;
506 chip->irq_mode = 1;
507 }
508 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
509 if (ret < 0)
510 goto out;
511
512 /* mask all IRQs */
513 memset(status_buf, 0, INT_STATUS_NUM);
514 ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
515 INT_STATUS_NUM, status_buf);
516 if (ret < 0)
517 goto out;
518
519 if (chip->irq_mode) {
520 /* clear interrupt status by write */
521 memset(status_buf, 0xFF, INT_STATUS_NUM);
522 ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
523 INT_STATUS_NUM, status_buf);
524 } else {
525 /* clear interrupt status by read */
526 ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
527 INT_STATUS_NUM, status_buf);
528 }
529 if (ret < 0)
530 goto out;
531
532 mutex_init(&chip->irq_lock);
533 chip->irq_base = pdata->irq_base;
534 chip->core_irq = i2c->irq;
535 if (!chip->core_irq)
536 goto out;
537
538 desc = irq_to_desc(chip->core_irq);
539
540 /* register IRQ by genirq */
541 for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
542 __irq = i + chip->irq_base;
543 set_irq_chip_data(__irq, chip);
544 set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
545 handle_edge_irq);
546 set_irq_nested_thread(__irq, 1);
547 #ifdef CONFIG_ARM
548 set_irq_flags(__irq, IRQF_VALID);
549 #else
550 set_irq_noprobe(__irq);
551 #endif
552 }
553
554 ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
555 "88pm860x", chip);
556 if (ret) {
557 dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
558 chip->core_irq = 0;
559 }
560
561 return 0;
562 out:
563 chip->core_irq = 0;
564 return ret;
565 }
566
567 static void __devexit device_irq_exit(struct pm860x_chip *chip)
568 {
569 if (chip->core_irq)
570 free_irq(chip->core_irq, chip);
571 }
572
573 static void __devinit device_8606_init(struct pm860x_chip *chip,
574 struct i2c_client *i2c,
575 struct pm860x_platform_data *pdata)
576 {
577 int ret;
578
579 if (pdata && pdata->backlight) {
580 ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
581 ARRAY_SIZE(backlight_devs),
582 &backlight_resources[0], 0);
583 if (ret < 0) {
584 dev_err(chip->dev, "Failed to add backlight "
585 "subdev\n");
586 goto out_dev;
587 }
588 }
589
590 if (pdata && pdata->led) {
591 ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
592 ARRAY_SIZE(led_devs),
593 &led_resources[0], 0);
594 if (ret < 0) {
595 dev_err(chip->dev, "Failed to add led "
596 "subdev\n");
597 goto out_dev;
598 }
599 }
600 return;
601 out_dev:
602 mfd_remove_devices(chip->dev);
603 device_irq_exit(chip);
604 }
605
606 static void __devinit device_8607_init(struct pm860x_chip *chip,
607 struct i2c_client *i2c,
608 struct pm860x_platform_data *pdata)
609 {
610 int data, ret;
611
612 ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
613 if (ret < 0) {
614 dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
615 goto out;
616 }
617 if ((ret & PM8607_VERSION_MASK) == PM8607_VERSION)
618 dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
619 ret);
620 else {
621 dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
622 "Chip ID: %02x\n", ret);
623 goto out;
624 }
625
626 ret = pm860x_reg_read(i2c, PM8607_BUCK3);
627 if (ret < 0) {
628 dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
629 goto out;
630 }
631 if (ret & PM8607_BUCK3_DOUBLE)
632 chip->buck3_double = 1;
633
634 ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
635 if (ret < 0) {
636 dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
637 goto out;
638 }
639
640 if (pdata && (pdata->i2c_port == PI2C_PORT))
641 data = PM8607_B0_MISC1_PI2C;
642 else
643 data = 0;
644 ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
645 if (ret < 0) {
646 dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
647 goto out;
648 }
649
650 ret = device_gpadc_init(chip, pdata);
651 if (ret < 0)
652 goto out;
653
654 ret = device_irq_init(chip, pdata);
655 if (ret < 0)
656 goto out;
657
658 ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
659 ARRAY_SIZE(regulator_devs),
660 &regulator_resources[0], 0);
661 if (ret < 0) {
662 dev_err(chip->dev, "Failed to add regulator subdev\n");
663 goto out_dev;
664 }
665
666 if (pdata && pdata->touch) {
667 ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
668 ARRAY_SIZE(touch_devs),
669 &touch_resources[0], 0);
670 if (ret < 0) {
671 dev_err(chip->dev, "Failed to add touch "
672 "subdev\n");
673 goto out_dev;
674 }
675 }
676
677 if (pdata && pdata->power) {
678 ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
679 ARRAY_SIZE(power_devs),
680 &power_supply_resources[0], 0);
681 if (ret < 0) {
682 dev_err(chip->dev, "Failed to add power supply "
683 "subdev\n");
684 goto out_dev;
685 }
686 }
687
688 ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
689 ARRAY_SIZE(onkey_devs),
690 &onkey_resources[0], 0);
691 if (ret < 0) {
692 dev_err(chip->dev, "Failed to add onkey subdev\n");
693 goto out_dev;
694 }
695
696 return;
697 out_dev:
698 mfd_remove_devices(chip->dev);
699 device_irq_exit(chip);
700 out:
701 return;
702 }
703
704 int pm860x_device_init(struct pm860x_chip *chip,
705 struct pm860x_platform_data *pdata)
706 {
707 chip->core_irq = 0;
708
709 switch (chip->id) {
710 case CHIP_PM8606:
711 device_8606_init(chip, chip->client, pdata);
712 break;
713 case CHIP_PM8607:
714 device_8607_init(chip, chip->client, pdata);
715 break;
716 }
717
718 if (chip->companion) {
719 switch (chip->id) {
720 case CHIP_PM8607:
721 device_8606_init(chip, chip->companion, pdata);
722 break;
723 case CHIP_PM8606:
724 device_8607_init(chip, chip->companion, pdata);
725 break;
726 }
727 }
728
729 return 0;
730 }
731
732 void pm860x_device_exit(struct pm860x_chip *chip)
733 {
734 device_irq_exit(chip);
735 mfd_remove_devices(chip->dev);
736 }
737
738 MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
739 MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
740 MODULE_LICENSE("GPL");
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree