Commit | Line | Data |
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62579266 RV |
1 | /* |
2 | * Copyright (C) ST-Ericsson SA 2010 | |
3 | * | |
4 | * License Terms: GNU General Public License v2 | |
5 | * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> | |
6 | * Author: Rabin Vincent <rabin.vincent@stericsson.com> | |
adceed62 | 7 | * Author: Mattias Wallin <mattias.wallin@stericsson.com> |
62579266 RV |
8 | */ |
9 | ||
10 | #include <linux/kernel.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/irq.h> | |
06e589ef | 14 | #include <linux/irqdomain.h> |
62579266 RV |
15 | #include <linux/delay.h> |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/module.h> | |
18 | #include <linux/platform_device.h> | |
19 | #include <linux/mfd/core.h> | |
47c16975 | 20 | #include <linux/mfd/abx500.h> |
ee66e653 | 21 | #include <linux/mfd/abx500/ab8500.h> |
00441b5e | 22 | #include <linux/mfd/abx500/ab8500-bm.h> |
d28f1db8 | 23 | #include <linux/mfd/dbx500-prcmu.h> |
549931f9 | 24 | #include <linux/regulator/ab8500.h> |
6bc4a568 LJ |
25 | #include <linux/of.h> |
26 | #include <linux/of_device.h> | |
62579266 RV |
27 | |
28 | /* | |
29 | * Interrupt register offsets | |
30 | * Bank : 0x0E | |
31 | */ | |
47c16975 MW |
32 | #define AB8500_IT_SOURCE1_REG 0x00 |
33 | #define AB8500_IT_SOURCE2_REG 0x01 | |
34 | #define AB8500_IT_SOURCE3_REG 0x02 | |
35 | #define AB8500_IT_SOURCE4_REG 0x03 | |
36 | #define AB8500_IT_SOURCE5_REG 0x04 | |
37 | #define AB8500_IT_SOURCE6_REG 0x05 | |
38 | #define AB8500_IT_SOURCE7_REG 0x06 | |
39 | #define AB8500_IT_SOURCE8_REG 0x07 | |
d6255529 | 40 | #define AB9540_IT_SOURCE13_REG 0x0C |
47c16975 MW |
41 | #define AB8500_IT_SOURCE19_REG 0x12 |
42 | #define AB8500_IT_SOURCE20_REG 0x13 | |
43 | #define AB8500_IT_SOURCE21_REG 0x14 | |
44 | #define AB8500_IT_SOURCE22_REG 0x15 | |
45 | #define AB8500_IT_SOURCE23_REG 0x16 | |
46 | #define AB8500_IT_SOURCE24_REG 0x17 | |
62579266 RV |
47 | |
48 | /* | |
49 | * latch registers | |
50 | */ | |
47c16975 MW |
51 | #define AB8500_IT_LATCH1_REG 0x20 |
52 | #define AB8500_IT_LATCH2_REG 0x21 | |
53 | #define AB8500_IT_LATCH3_REG 0x22 | |
54 | #define AB8500_IT_LATCH4_REG 0x23 | |
55 | #define AB8500_IT_LATCH5_REG 0x24 | |
56 | #define AB8500_IT_LATCH6_REG 0x25 | |
57 | #define AB8500_IT_LATCH7_REG 0x26 | |
58 | #define AB8500_IT_LATCH8_REG 0x27 | |
59 | #define AB8500_IT_LATCH9_REG 0x28 | |
60 | #define AB8500_IT_LATCH10_REG 0x29 | |
92d50a41 | 61 | #define AB8500_IT_LATCH12_REG 0x2B |
d6255529 | 62 | #define AB9540_IT_LATCH13_REG 0x2C |
47c16975 MW |
63 | #define AB8500_IT_LATCH19_REG 0x32 |
64 | #define AB8500_IT_LATCH20_REG 0x33 | |
65 | #define AB8500_IT_LATCH21_REG 0x34 | |
66 | #define AB8500_IT_LATCH22_REG 0x35 | |
67 | #define AB8500_IT_LATCH23_REG 0x36 | |
68 | #define AB8500_IT_LATCH24_REG 0x37 | |
62579266 RV |
69 | |
70 | /* | |
71 | * mask registers | |
72 | */ | |
73 | ||
47c16975 MW |
74 | #define AB8500_IT_MASK1_REG 0x40 |
75 | #define AB8500_IT_MASK2_REG 0x41 | |
76 | #define AB8500_IT_MASK3_REG 0x42 | |
77 | #define AB8500_IT_MASK4_REG 0x43 | |
78 | #define AB8500_IT_MASK5_REG 0x44 | |
79 | #define AB8500_IT_MASK6_REG 0x45 | |
80 | #define AB8500_IT_MASK7_REG 0x46 | |
81 | #define AB8500_IT_MASK8_REG 0x47 | |
82 | #define AB8500_IT_MASK9_REG 0x48 | |
83 | #define AB8500_IT_MASK10_REG 0x49 | |
84 | #define AB8500_IT_MASK11_REG 0x4A | |
85 | #define AB8500_IT_MASK12_REG 0x4B | |
86 | #define AB8500_IT_MASK13_REG 0x4C | |
87 | #define AB8500_IT_MASK14_REG 0x4D | |
88 | #define AB8500_IT_MASK15_REG 0x4E | |
89 | #define AB8500_IT_MASK16_REG 0x4F | |
90 | #define AB8500_IT_MASK17_REG 0x50 | |
91 | #define AB8500_IT_MASK18_REG 0x51 | |
92 | #define AB8500_IT_MASK19_REG 0x52 | |
93 | #define AB8500_IT_MASK20_REG 0x53 | |
94 | #define AB8500_IT_MASK21_REG 0x54 | |
95 | #define AB8500_IT_MASK22_REG 0x55 | |
96 | #define AB8500_IT_MASK23_REG 0x56 | |
97 | #define AB8500_IT_MASK24_REG 0x57 | |
a29264b6 | 98 | #define AB8500_IT_MASK25_REG 0x58 |
47c16975 | 99 | |
7ccfe9b1 MJ |
100 | /* |
101 | * latch hierarchy registers | |
102 | */ | |
103 | #define AB8500_IT_LATCHHIER1_REG 0x60 | |
104 | #define AB8500_IT_LATCHHIER2_REG 0x61 | |
105 | #define AB8500_IT_LATCHHIER3_REG 0x62 | |
3e1a498f | 106 | #define AB8540_IT_LATCHHIER4_REG 0x63 |
7ccfe9b1 MJ |
107 | |
108 | #define AB8500_IT_LATCHHIER_NUM 3 | |
3e1a498f | 109 | #define AB8540_IT_LATCHHIER_NUM 4 |
7ccfe9b1 | 110 | |
47c16975 | 111 | #define AB8500_REV_REG 0x80 |
0f620837 | 112 | #define AB8500_IC_NAME_REG 0x82 |
e5c238c3 | 113 | #define AB8500_SWITCH_OFF_STATUS 0x00 |
62579266 | 114 | |
b4a31037 | 115 | #define AB8500_TURN_ON_STATUS 0x00 |
93ff722e | 116 | #define AB8505_TURN_ON_STATUS_2 0x04 |
b4a31037 | 117 | |
f04a9d8a RK |
118 | #define AB8500_CH_USBCH_STAT1_REG 0x02 |
119 | #define VBUS_DET_DBNC100 0x02 | |
120 | #define VBUS_DET_DBNC1 0x01 | |
121 | ||
122 | static DEFINE_SPINLOCK(on_stat_lock); | |
123 | static u8 turn_on_stat_mask = 0xFF; | |
124 | static u8 turn_on_stat_set; | |
6ef9418c RA |
125 | static bool no_bm; /* No battery management */ |
126 | module_param(no_bm, bool, S_IRUGO); | |
127 | ||
d6255529 LW |
128 | #define AB9540_MODEM_CTRL2_REG 0x23 |
129 | #define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT BIT(2) | |
130 | ||
62579266 RV |
131 | /* |
132 | * Map interrupt numbers to the LATCH and MASK register offsets, Interrupt | |
2ced445e LW |
133 | * numbers are indexed into this array with (num / 8). The interupts are |
134 | * defined in linux/mfd/ab8500.h | |
62579266 RV |
135 | * |
136 | * This is one off from the register names, i.e. AB8500_IT_MASK1_REG is at | |
137 | * offset 0. | |
138 | */ | |
2ced445e | 139 | /* AB8500 support */ |
62579266 | 140 | static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = { |
92d50a41 | 141 | 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, |
62579266 RV |
142 | }; |
143 | ||
a29264b6 | 144 | /* AB9540 / AB8505 support */ |
d6255529 | 145 | static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = { |
a29264b6 | 146 | 0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23 |
d6255529 LW |
147 | }; |
148 | ||
3e1a498f LJ |
149 | /* AB8540 support */ |
150 | static const int ab8540_irq_regoffset[AB8540_NUM_IRQ_REGS] = { | |
151 | 0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23, | |
152 | 25, 26, 27, 28, 29, 30, 31, | |
153 | }; | |
154 | ||
0f620837 LW |
155 | static const char ab8500_version_str[][7] = { |
156 | [AB8500_VERSION_AB8500] = "AB8500", | |
157 | [AB8500_VERSION_AB8505] = "AB8505", | |
158 | [AB8500_VERSION_AB9540] = "AB9540", | |
159 | [AB8500_VERSION_AB8540] = "AB8540", | |
160 | }; | |
161 | ||
822672a7 | 162 | static int ab8500_prcmu_write(struct ab8500 *ab8500, u16 addr, u8 data) |
d28f1db8 LJ |
163 | { |
164 | int ret; | |
165 | ||
166 | ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1); | |
167 | if (ret < 0) | |
168 | dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); | |
169 | return ret; | |
170 | } | |
171 | ||
822672a7 | 172 | static int ab8500_prcmu_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask, |
d28f1db8 LJ |
173 | u8 data) |
174 | { | |
175 | int ret; | |
176 | ||
177 | ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data, | |
178 | &mask, 1); | |
179 | if (ret < 0) | |
180 | dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); | |
181 | return ret; | |
182 | } | |
183 | ||
822672a7 | 184 | static int ab8500_prcmu_read(struct ab8500 *ab8500, u16 addr) |
d28f1db8 LJ |
185 | { |
186 | int ret; | |
187 | u8 data; | |
188 | ||
189 | ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1); | |
190 | if (ret < 0) { | |
191 | dev_err(ab8500->dev, "prcmu i2c error %d\n", ret); | |
192 | return ret; | |
193 | } | |
194 | return (int)data; | |
195 | } | |
196 | ||
47c16975 MW |
197 | static int ab8500_get_chip_id(struct device *dev) |
198 | { | |
6bce7bf1 MW |
199 | struct ab8500 *ab8500; |
200 | ||
201 | if (!dev) | |
202 | return -EINVAL; | |
203 | ab8500 = dev_get_drvdata(dev->parent); | |
204 | return ab8500 ? (int)ab8500->chip_id : -EINVAL; | |
47c16975 MW |
205 | } |
206 | ||
207 | static int set_register_interruptible(struct ab8500 *ab8500, u8 bank, | |
208 | u8 reg, u8 data) | |
62579266 RV |
209 | { |
210 | int ret; | |
47c16975 MW |
211 | /* |
212 | * Put the u8 bank and u8 register together into a an u16. | |
213 | * The bank on higher 8 bits and register in lower 8 bits. | |
214 | * */ | |
215 | u16 addr = ((u16)bank) << 8 | reg; | |
62579266 RV |
216 | |
217 | dev_vdbg(ab8500->dev, "wr: addr %#x <= %#x\n", addr, data); | |
218 | ||
392cbd1e | 219 | mutex_lock(&ab8500->lock); |
47c16975 | 220 | |
62579266 RV |
221 | ret = ab8500->write(ab8500, addr, data); |
222 | if (ret < 0) | |
223 | dev_err(ab8500->dev, "failed to write reg %#x: %d\n", | |
224 | addr, ret); | |
47c16975 | 225 | mutex_unlock(&ab8500->lock); |
62579266 RV |
226 | |
227 | return ret; | |
228 | } | |
229 | ||
47c16975 MW |
230 | static int ab8500_set_register(struct device *dev, u8 bank, |
231 | u8 reg, u8 value) | |
62579266 | 232 | { |
112a80d2 | 233 | int ret; |
47c16975 | 234 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
62579266 | 235 | |
112a80d2 JA |
236 | atomic_inc(&ab8500->transfer_ongoing); |
237 | ret = set_register_interruptible(ab8500, bank, reg, value); | |
238 | atomic_dec(&ab8500->transfer_ongoing); | |
239 | return ret; | |
62579266 | 240 | } |
62579266 | 241 | |
47c16975 MW |
242 | static int get_register_interruptible(struct ab8500 *ab8500, u8 bank, |
243 | u8 reg, u8 *value) | |
62579266 RV |
244 | { |
245 | int ret; | |
47c16975 MW |
246 | /* put the u8 bank and u8 reg together into a an u16. |
247 | * bank on higher 8 bits and reg in lower */ | |
248 | u16 addr = ((u16)bank) << 8 | reg; | |
249 | ||
392cbd1e | 250 | mutex_lock(&ab8500->lock); |
62579266 RV |
251 | |
252 | ret = ab8500->read(ab8500, addr); | |
253 | if (ret < 0) | |
254 | dev_err(ab8500->dev, "failed to read reg %#x: %d\n", | |
255 | addr, ret); | |
47c16975 MW |
256 | else |
257 | *value = ret; | |
62579266 | 258 | |
47c16975 | 259 | mutex_unlock(&ab8500->lock); |
62579266 RV |
260 | dev_vdbg(ab8500->dev, "rd: addr %#x => data %#x\n", addr, ret); |
261 | ||
262 | return ret; | |
263 | } | |
264 | ||
47c16975 MW |
265 | static int ab8500_get_register(struct device *dev, u8 bank, |
266 | u8 reg, u8 *value) | |
62579266 | 267 | { |
112a80d2 | 268 | int ret; |
47c16975 | 269 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
62579266 | 270 | |
112a80d2 JA |
271 | atomic_inc(&ab8500->transfer_ongoing); |
272 | ret = get_register_interruptible(ab8500, bank, reg, value); | |
273 | atomic_dec(&ab8500->transfer_ongoing); | |
274 | return ret; | |
62579266 | 275 | } |
47c16975 MW |
276 | |
277 | static int mask_and_set_register_interruptible(struct ab8500 *ab8500, u8 bank, | |
278 | u8 reg, u8 bitmask, u8 bitvalues) | |
62579266 RV |
279 | { |
280 | int ret; | |
47c16975 MW |
281 | /* put the u8 bank and u8 reg together into a an u16. |
282 | * bank on higher 8 bits and reg in lower */ | |
283 | u16 addr = ((u16)bank) << 8 | reg; | |
62579266 | 284 | |
392cbd1e | 285 | mutex_lock(&ab8500->lock); |
62579266 | 286 | |
bc628fd1 MN |
287 | if (ab8500->write_masked == NULL) { |
288 | u8 data; | |
62579266 | 289 | |
bc628fd1 MN |
290 | ret = ab8500->read(ab8500, addr); |
291 | if (ret < 0) { | |
292 | dev_err(ab8500->dev, "failed to read reg %#x: %d\n", | |
293 | addr, ret); | |
294 | goto out; | |
295 | } | |
62579266 | 296 | |
bc628fd1 MN |
297 | data = (u8)ret; |
298 | data = (~bitmask & data) | (bitmask & bitvalues); | |
299 | ||
300 | ret = ab8500->write(ab8500, addr, data); | |
301 | if (ret < 0) | |
302 | dev_err(ab8500->dev, "failed to write reg %#x: %d\n", | |
303 | addr, ret); | |
62579266 | 304 | |
bc628fd1 MN |
305 | dev_vdbg(ab8500->dev, "mask: addr %#x => data %#x\n", addr, |
306 | data); | |
307 | goto out; | |
308 | } | |
309 | ret = ab8500->write_masked(ab8500, addr, bitmask, bitvalues); | |
310 | if (ret < 0) | |
311 | dev_err(ab8500->dev, "failed to modify reg %#x: %d\n", addr, | |
312 | ret); | |
62579266 RV |
313 | out: |
314 | mutex_unlock(&ab8500->lock); | |
315 | return ret; | |
316 | } | |
47c16975 MW |
317 | |
318 | static int ab8500_mask_and_set_register(struct device *dev, | |
319 | u8 bank, u8 reg, u8 bitmask, u8 bitvalues) | |
320 | { | |
112a80d2 | 321 | int ret; |
47c16975 MW |
322 | struct ab8500 *ab8500 = dev_get_drvdata(dev->parent); |
323 | ||
112a80d2 JA |
324 | atomic_inc(&ab8500->transfer_ongoing); |
325 | ret= mask_and_set_register_interruptible(ab8500, bank, reg, | |
326 | bitmask, bitvalues); | |
327 | atomic_dec(&ab8500->transfer_ongoing); | |
328 | return ret; | |
47c16975 MW |
329 | } |
330 | ||
331 | static struct abx500_ops ab8500_ops = { | |
332 | .get_chip_id = ab8500_get_chip_id, | |
333 | .get_register = ab8500_get_register, | |
334 | .set_register = ab8500_set_register, | |
335 | .get_register_page = NULL, | |
336 | .set_register_page = NULL, | |
337 | .mask_and_set_register = ab8500_mask_and_set_register, | |
338 | .event_registers_startup_state_get = NULL, | |
339 | .startup_irq_enabled = NULL, | |
1d843a6c | 340 | .dump_all_banks = ab8500_dump_all_banks, |
47c16975 | 341 | }; |
62579266 | 342 | |
9505a0a0 | 343 | static void ab8500_irq_lock(struct irq_data *data) |
62579266 | 344 | { |
9505a0a0 | 345 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
62579266 RV |
346 | |
347 | mutex_lock(&ab8500->irq_lock); | |
112a80d2 | 348 | atomic_inc(&ab8500->transfer_ongoing); |
62579266 RV |
349 | } |
350 | ||
9505a0a0 | 351 | static void ab8500_irq_sync_unlock(struct irq_data *data) |
62579266 | 352 | { |
9505a0a0 | 353 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
62579266 RV |
354 | int i; |
355 | ||
2ced445e | 356 | for (i = 0; i < ab8500->mask_size; i++) { |
62579266 RV |
357 | u8 old = ab8500->oldmask[i]; |
358 | u8 new = ab8500->mask[i]; | |
359 | int reg; | |
360 | ||
361 | if (new == old) | |
362 | continue; | |
363 | ||
0f620837 LW |
364 | /* |
365 | * Interrupt register 12 doesn't exist prior to AB8500 version | |
366 | * 2.0 | |
367 | */ | |
368 | if (ab8500->irq_reg_offset[i] == 11 && | |
369 | is_ab8500_1p1_or_earlier(ab8500)) | |
92d50a41 MW |
370 | continue; |
371 | ||
3e1a498f LJ |
372 | if (ab8500->irq_reg_offset[i] < 0) |
373 | continue; | |
374 | ||
62579266 RV |
375 | ab8500->oldmask[i] = new; |
376 | ||
2ced445e | 377 | reg = AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i]; |
47c16975 | 378 | set_register_interruptible(ab8500, AB8500_INTERRUPT, reg, new); |
62579266 | 379 | } |
112a80d2 | 380 | atomic_dec(&ab8500->transfer_ongoing); |
62579266 RV |
381 | mutex_unlock(&ab8500->irq_lock); |
382 | } | |
383 | ||
9505a0a0 | 384 | static void ab8500_irq_mask(struct irq_data *data) |
62579266 | 385 | { |
9505a0a0 | 386 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
06e589ef | 387 | int offset = data->hwirq; |
62579266 RV |
388 | int index = offset / 8; |
389 | int mask = 1 << (offset % 8); | |
390 | ||
391 | ab8500->mask[index] |= mask; | |
9c677b9b LJ |
392 | |
393 | /* The AB8500 GPIOs have two interrupts each (rising & falling). */ | |
394 | if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R) | |
395 | ab8500->mask[index + 2] |= mask; | |
396 | if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R) | |
397 | ab8500->mask[index + 1] |= mask; | |
398 | if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R) | |
e2ddf46a LW |
399 | /* Here the falling IRQ is one bit lower */ |
400 | ab8500->mask[index] |= (mask << 1); | |
62579266 RV |
401 | } |
402 | ||
9505a0a0 | 403 | static void ab8500_irq_unmask(struct irq_data *data) |
62579266 | 404 | { |
9505a0a0 | 405 | struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data); |
9c677b9b | 406 | unsigned int type = irqd_get_trigger_type(data); |
06e589ef | 407 | int offset = data->hwirq; |
62579266 RV |
408 | int index = offset / 8; |
409 | int mask = 1 << (offset % 8); | |
410 | ||
9c677b9b LJ |
411 | if (type & IRQ_TYPE_EDGE_RISING) |
412 | ab8500->mask[index] &= ~mask; | |
413 | ||
414 | /* The AB8500 GPIOs have two interrupts each (rising & falling). */ | |
415 | if (type & IRQ_TYPE_EDGE_FALLING) { | |
416 | if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R) | |
417 | ab8500->mask[index + 2] &= ~mask; | |
418 | else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R) | |
419 | ab8500->mask[index + 1] &= ~mask; | |
420 | else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R) | |
e2ddf46a LW |
421 | /* Here the falling IRQ is one bit lower */ |
422 | ab8500->mask[index] &= ~(mask << 1); | |
9c677b9b LJ |
423 | else |
424 | ab8500->mask[index] &= ~mask; | |
e2ddf46a | 425 | } else { |
9c677b9b LJ |
426 | /* Satisfies the case where type is not set. */ |
427 | ab8500->mask[index] &= ~mask; | |
e2ddf46a | 428 | } |
62579266 RV |
429 | } |
430 | ||
40f6e5a2 LJ |
431 | static int ab8500_irq_set_type(struct irq_data *data, unsigned int type) |
432 | { | |
433 | return 0; | |
62579266 RV |
434 | } |
435 | ||
436 | static struct irq_chip ab8500_irq_chip = { | |
437 | .name = "ab8500", | |
9505a0a0 MB |
438 | .irq_bus_lock = ab8500_irq_lock, |
439 | .irq_bus_sync_unlock = ab8500_irq_sync_unlock, | |
440 | .irq_mask = ab8500_irq_mask, | |
e6f9306e | 441 | .irq_disable = ab8500_irq_mask, |
9505a0a0 | 442 | .irq_unmask = ab8500_irq_unmask, |
40f6e5a2 | 443 | .irq_set_type = ab8500_irq_set_type, |
62579266 RV |
444 | }; |
445 | ||
3e1a498f LJ |
446 | static void update_latch_offset(u8 *offset, int i) |
447 | { | |
448 | /* Fix inconsistent ITFromLatch25 bit mapping... */ | |
449 | if (unlikely(*offset == 17)) | |
450 | *offset = 24; | |
451 | /* Fix inconsistent ab8540 bit mapping... */ | |
452 | if (unlikely(*offset == 16)) | |
453 | *offset = 25; | |
454 | if ((i==3) && (*offset >= 24)) | |
455 | *offset += 2; | |
456 | } | |
457 | ||
7ccfe9b1 MJ |
458 | static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500, |
459 | int latch_offset, u8 latch_val) | |
460 | { | |
7a93fb37 | 461 | int int_bit, line, i; |
7ccfe9b1 | 462 | |
7a93fb37 FB |
463 | for (i = 0; i < ab8500->mask_size; i++) |
464 | if (ab8500->irq_reg_offset[i] == latch_offset) | |
465 | break; | |
7ccfe9b1 | 466 | |
7a93fb37 FB |
467 | if (i >= ab8500->mask_size) { |
468 | dev_err(ab8500->dev, "Register offset 0x%2x not declared\n", | |
469 | latch_offset); | |
470 | return -ENXIO; | |
471 | } | |
7ccfe9b1 | 472 | |
7a93fb37 FB |
473 | /* ignore masked out interrupts */ |
474 | latch_val &= ~ab8500->mask[i]; | |
7ccfe9b1 | 475 | |
7a93fb37 FB |
476 | while (latch_val) { |
477 | int_bit = __ffs(latch_val); | |
7ccfe9b1 MJ |
478 | line = (i << 3) + int_bit; |
479 | latch_val &= ~(1 << int_bit); | |
480 | ||
e2ddf46a LW |
481 | /* |
482 | * This handles the falling edge hwirqs from the GPIO | |
483 | * lines. Route them back to the line registered for the | |
484 | * rising IRQ, as this is merely a flag for the same IRQ | |
485 | * in linux terms. | |
486 | */ | |
487 | if (line >= AB8500_INT_GPIO6F && line <= AB8500_INT_GPIO41F) | |
488 | line -= 16; | |
489 | if (line >= AB9540_INT_GPIO50F && line <= AB9540_INT_GPIO54F) | |
490 | line -= 8; | |
491 | if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F) | |
492 | line += 1; | |
493 | ||
7ccfe9b1 | 494 | handle_nested_irq(ab8500->irq_base + line); |
7a93fb37 | 495 | } |
7ccfe9b1 MJ |
496 | |
497 | return 0; | |
498 | } | |
499 | ||
500 | static int ab8500_handle_hierarchical_latch(struct ab8500 *ab8500, | |
501 | int hier_offset, u8 hier_val) | |
502 | { | |
503 | int latch_bit, status; | |
504 | u8 latch_offset, latch_val; | |
505 | ||
506 | do { | |
507 | latch_bit = __ffs(hier_val); | |
508 | latch_offset = (hier_offset << 3) + latch_bit; | |
509 | ||
3e1a498f | 510 | update_latch_offset(&latch_offset, hier_offset); |
7ccfe9b1 MJ |
511 | |
512 | status = get_register_interruptible(ab8500, | |
513 | AB8500_INTERRUPT, | |
514 | AB8500_IT_LATCH1_REG + latch_offset, | |
515 | &latch_val); | |
516 | if (status < 0 || latch_val == 0) | |
517 | goto discard; | |
518 | ||
519 | status = ab8500_handle_hierarchical_line(ab8500, | |
520 | latch_offset, latch_val); | |
521 | if (status < 0) | |
522 | return status; | |
523 | discard: | |
524 | hier_val &= ~(1 << latch_bit); | |
525 | } while (hier_val); | |
526 | ||
527 | return 0; | |
528 | } | |
529 | ||
530 | static irqreturn_t ab8500_hierarchical_irq(int irq, void *dev) | |
531 | { | |
532 | struct ab8500 *ab8500 = dev; | |
533 | u8 i; | |
534 | ||
535 | dev_vdbg(ab8500->dev, "interrupt\n"); | |
536 | ||
537 | /* Hierarchical interrupt version */ | |
3e1a498f | 538 | for (i = 0; i < (ab8500->it_latchhier_num); i++) { |
7ccfe9b1 MJ |
539 | int status; |
540 | u8 hier_val; | |
541 | ||
542 | status = get_register_interruptible(ab8500, AB8500_INTERRUPT, | |
543 | AB8500_IT_LATCHHIER1_REG + i, &hier_val); | |
544 | if (status < 0 || hier_val == 0) | |
545 | continue; | |
546 | ||
547 | status = ab8500_handle_hierarchical_latch(ab8500, i, hier_val); | |
548 | if (status < 0) | |
549 | break; | |
550 | } | |
551 | return IRQ_HANDLED; | |
552 | } | |
553 | ||
06e589ef LJ |
554 | static int ab8500_irq_map(struct irq_domain *d, unsigned int virq, |
555 | irq_hw_number_t hwirq) | |
556 | { | |
557 | struct ab8500 *ab8500 = d->host_data; | |
558 | ||
559 | if (!ab8500) | |
560 | return -EINVAL; | |
561 | ||
562 | irq_set_chip_data(virq, ab8500); | |
563 | irq_set_chip_and_handler(virq, &ab8500_irq_chip, | |
564 | handle_simple_irq); | |
565 | irq_set_nested_thread(virq, 1); | |
62579266 | 566 | #ifdef CONFIG_ARM |
06e589ef | 567 | set_irq_flags(virq, IRQF_VALID); |
62579266 | 568 | #else |
06e589ef | 569 | irq_set_noprobe(virq); |
62579266 | 570 | #endif |
62579266 RV |
571 | |
572 | return 0; | |
573 | } | |
574 | ||
06e589ef LJ |
575 | static struct irq_domain_ops ab8500_irq_ops = { |
576 | .map = ab8500_irq_map, | |
577 | .xlate = irq_domain_xlate_twocell, | |
578 | }; | |
579 | ||
580 | static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np) | |
62579266 | 581 | { |
2ced445e LW |
582 | int num_irqs; |
583 | ||
3e1a498f LJ |
584 | if (is_ab8540(ab8500)) |
585 | num_irqs = AB8540_NR_IRQS; | |
586 | else if (is_ab9540(ab8500)) | |
d6255529 | 587 | num_irqs = AB9540_NR_IRQS; |
a982362c BJ |
588 | else if (is_ab8505(ab8500)) |
589 | num_irqs = AB8505_NR_IRQS; | |
d6255529 LW |
590 | else |
591 | num_irqs = AB8500_NR_IRQS; | |
62579266 | 592 | |
f1d11f39 LW |
593 | /* If ->irq_base is zero this will give a linear mapping */ |
594 | ab8500->domain = irq_domain_add_simple(NULL, | |
595 | num_irqs, ab8500->irq_base, | |
596 | &ab8500_irq_ops, ab8500); | |
06e589ef LJ |
597 | |
598 | if (!ab8500->domain) { | |
599 | dev_err(ab8500->dev, "Failed to create irqdomain\n"); | |
600 | return -ENOSYS; | |
601 | } | |
602 | ||
603 | return 0; | |
62579266 RV |
604 | } |
605 | ||
112a80d2 JA |
606 | int ab8500_suspend(struct ab8500 *ab8500) |
607 | { | |
608 | if (atomic_read(&ab8500->transfer_ongoing)) | |
609 | return -EINVAL; | |
610 | else | |
611 | return 0; | |
612 | } | |
613 | ||
a9e9ce4c | 614 | static struct resource ab8500_gpadc_resources[] = { |
62579266 RV |
615 | { |
616 | .name = "HW_CONV_END", | |
617 | .start = AB8500_INT_GP_HW_ADC_CONV_END, | |
618 | .end = AB8500_INT_GP_HW_ADC_CONV_END, | |
619 | .flags = IORESOURCE_IRQ, | |
620 | }, | |
621 | { | |
622 | .name = "SW_CONV_END", | |
623 | .start = AB8500_INT_GP_SW_ADC_CONV_END, | |
624 | .end = AB8500_INT_GP_SW_ADC_CONV_END, | |
625 | .flags = IORESOURCE_IRQ, | |
626 | }, | |
627 | }; | |
628 | ||
4b106fb9 | 629 | static struct resource ab8505_gpadc_resources[] = { |
c0eda9ae LJ |
630 | { |
631 | .name = "SW_CONV_END", | |
632 | .start = AB8500_INT_GP_SW_ADC_CONV_END, | |
633 | .end = AB8500_INT_GP_SW_ADC_CONV_END, | |
634 | .flags = IORESOURCE_IRQ, | |
635 | }, | |
636 | }; | |
637 | ||
a9e9ce4c | 638 | static struct resource ab8500_rtc_resources[] = { |
62579266 RV |
639 | { |
640 | .name = "60S", | |
641 | .start = AB8500_INT_RTC_60S, | |
642 | .end = AB8500_INT_RTC_60S, | |
643 | .flags = IORESOURCE_IRQ, | |
644 | }, | |
645 | { | |
646 | .name = "ALARM", | |
647 | .start = AB8500_INT_RTC_ALARM, | |
648 | .end = AB8500_INT_RTC_ALARM, | |
649 | .flags = IORESOURCE_IRQ, | |
650 | }, | |
651 | }; | |
652 | ||
a9e9ce4c | 653 | static struct resource ab8500_poweronkey_db_resources[] = { |
77686517 SI |
654 | { |
655 | .name = "ONKEY_DBF", | |
656 | .start = AB8500_INT_PON_KEY1DB_F, | |
657 | .end = AB8500_INT_PON_KEY1DB_F, | |
658 | .flags = IORESOURCE_IRQ, | |
659 | }, | |
660 | { | |
661 | .name = "ONKEY_DBR", | |
662 | .start = AB8500_INT_PON_KEY1DB_R, | |
663 | .end = AB8500_INT_PON_KEY1DB_R, | |
664 | .flags = IORESOURCE_IRQ, | |
665 | }, | |
666 | }; | |
667 | ||
a9e9ce4c | 668 | static struct resource ab8500_av_acc_detect_resources[] = { |
e098aded | 669 | { |
6af75ecd LW |
670 | .name = "ACC_DETECT_1DB_F", |
671 | .start = AB8500_INT_ACC_DETECT_1DB_F, | |
672 | .end = AB8500_INT_ACC_DETECT_1DB_F, | |
673 | .flags = IORESOURCE_IRQ, | |
e098aded MW |
674 | }, |
675 | { | |
6af75ecd LW |
676 | .name = "ACC_DETECT_1DB_R", |
677 | .start = AB8500_INT_ACC_DETECT_1DB_R, | |
678 | .end = AB8500_INT_ACC_DETECT_1DB_R, | |
679 | .flags = IORESOURCE_IRQ, | |
680 | }, | |
681 | { | |
682 | .name = "ACC_DETECT_21DB_F", | |
683 | .start = AB8500_INT_ACC_DETECT_21DB_F, | |
684 | .end = AB8500_INT_ACC_DETECT_21DB_F, | |
685 | .flags = IORESOURCE_IRQ, | |
686 | }, | |
687 | { | |
688 | .name = "ACC_DETECT_21DB_R", | |
689 | .start = AB8500_INT_ACC_DETECT_21DB_R, | |
690 | .end = AB8500_INT_ACC_DETECT_21DB_R, | |
691 | .flags = IORESOURCE_IRQ, | |
692 | }, | |
693 | { | |
694 | .name = "ACC_DETECT_22DB_F", | |
695 | .start = AB8500_INT_ACC_DETECT_22DB_F, | |
696 | .end = AB8500_INT_ACC_DETECT_22DB_F, | |
697 | .flags = IORESOURCE_IRQ, | |
e098aded | 698 | }, |
6af75ecd LW |
699 | { |
700 | .name = "ACC_DETECT_22DB_R", | |
701 | .start = AB8500_INT_ACC_DETECT_22DB_R, | |
702 | .end = AB8500_INT_ACC_DETECT_22DB_R, | |
703 | .flags = IORESOURCE_IRQ, | |
704 | }, | |
705 | }; | |
706 | ||
a9e9ce4c | 707 | static struct resource ab8500_charger_resources[] = { |
e098aded MW |
708 | { |
709 | .name = "MAIN_CH_UNPLUG_DET", | |
710 | .start = AB8500_INT_MAIN_CH_UNPLUG_DET, | |
711 | .end = AB8500_INT_MAIN_CH_UNPLUG_DET, | |
712 | .flags = IORESOURCE_IRQ, | |
713 | }, | |
714 | { | |
715 | .name = "MAIN_CHARGE_PLUG_DET", | |
716 | .start = AB8500_INT_MAIN_CH_PLUG_DET, | |
717 | .end = AB8500_INT_MAIN_CH_PLUG_DET, | |
718 | .flags = IORESOURCE_IRQ, | |
719 | }, | |
e098aded MW |
720 | { |
721 | .name = "VBUS_DET_R", | |
722 | .start = AB8500_INT_VBUS_DET_R, | |
723 | .end = AB8500_INT_VBUS_DET_R, | |
724 | .flags = IORESOURCE_IRQ, | |
725 | }, | |
726 | { | |
6af75ecd LW |
727 | .name = "VBUS_DET_F", |
728 | .start = AB8500_INT_VBUS_DET_F, | |
729 | .end = AB8500_INT_VBUS_DET_F, | |
e098aded MW |
730 | .flags = IORESOURCE_IRQ, |
731 | }, | |
732 | { | |
6af75ecd LW |
733 | .name = "USB_LINK_STATUS", |
734 | .start = AB8500_INT_USB_LINK_STATUS, | |
735 | .end = AB8500_INT_USB_LINK_STATUS, | |
736 | .flags = IORESOURCE_IRQ, | |
737 | }, | |
e098aded MW |
738 | { |
739 | .name = "VBUS_OVV", | |
740 | .start = AB8500_INT_VBUS_OVV, | |
741 | .end = AB8500_INT_VBUS_OVV, | |
742 | .flags = IORESOURCE_IRQ, | |
743 | }, | |
744 | { | |
6af75ecd LW |
745 | .name = "USB_CH_TH_PROT_R", |
746 | .start = AB8500_INT_USB_CH_TH_PROT_R, | |
747 | .end = AB8500_INT_USB_CH_TH_PROT_R, | |
e098aded MW |
748 | .flags = IORESOURCE_IRQ, |
749 | }, | |
750 | { | |
6af75ecd LW |
751 | .name = "USB_CH_TH_PROT_F", |
752 | .start = AB8500_INT_USB_CH_TH_PROT_F, | |
753 | .end = AB8500_INT_USB_CH_TH_PROT_F, | |
e098aded MW |
754 | .flags = IORESOURCE_IRQ, |
755 | }, | |
756 | { | |
6af75ecd LW |
757 | .name = "MAIN_EXT_CH_NOT_OK", |
758 | .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, | |
759 | .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, | |
760 | .flags = IORESOURCE_IRQ, | |
761 | }, | |
762 | { | |
763 | .name = "MAIN_CH_TH_PROT_R", | |
764 | .start = AB8500_INT_MAIN_CH_TH_PROT_R, | |
765 | .end = AB8500_INT_MAIN_CH_TH_PROT_R, | |
766 | .flags = IORESOURCE_IRQ, | |
767 | }, | |
768 | { | |
769 | .name = "MAIN_CH_TH_PROT_F", | |
770 | .start = AB8500_INT_MAIN_CH_TH_PROT_F, | |
771 | .end = AB8500_INT_MAIN_CH_TH_PROT_F, | |
772 | .flags = IORESOURCE_IRQ, | |
773 | }, | |
774 | { | |
775 | .name = "USB_CHARGER_NOT_OKR", | |
a982362c BJ |
776 | .start = AB8500_INT_USB_CHARGER_NOT_OKR, |
777 | .end = AB8500_INT_USB_CHARGER_NOT_OKR, | |
6af75ecd LW |
778 | .flags = IORESOURCE_IRQ, |
779 | }, | |
780 | { | |
781 | .name = "CH_WD_EXP", | |
782 | .start = AB8500_INT_CH_WD_EXP, | |
783 | .end = AB8500_INT_CH_WD_EXP, | |
784 | .flags = IORESOURCE_IRQ, | |
785 | }, | |
34c11a70 POH |
786 | { |
787 | .name = "VBUS_CH_DROP_END", | |
788 | .start = AB8500_INT_VBUS_CH_DROP_END, | |
789 | .end = AB8500_INT_VBUS_CH_DROP_END, | |
790 | .flags = IORESOURCE_IRQ, | |
791 | }, | |
6af75ecd LW |
792 | }; |
793 | ||
a9e9ce4c | 794 | static struct resource ab8500_btemp_resources[] = { |
6af75ecd LW |
795 | { |
796 | .name = "BAT_CTRL_INDB", | |
797 | .start = AB8500_INT_BAT_CTRL_INDB, | |
798 | .end = AB8500_INT_BAT_CTRL_INDB, | |
e098aded MW |
799 | .flags = IORESOURCE_IRQ, |
800 | }, | |
801 | { | |
802 | .name = "BTEMP_LOW", | |
803 | .start = AB8500_INT_BTEMP_LOW, | |
804 | .end = AB8500_INT_BTEMP_LOW, | |
805 | .flags = IORESOURCE_IRQ, | |
806 | }, | |
807 | { | |
808 | .name = "BTEMP_HIGH", | |
809 | .start = AB8500_INT_BTEMP_HIGH, | |
810 | .end = AB8500_INT_BTEMP_HIGH, | |
811 | .flags = IORESOURCE_IRQ, | |
812 | }, | |
813 | { | |
6af75ecd LW |
814 | .name = "BTEMP_LOW_MEDIUM", |
815 | .start = AB8500_INT_BTEMP_LOW_MEDIUM, | |
816 | .end = AB8500_INT_BTEMP_LOW_MEDIUM, | |
e098aded MW |
817 | .flags = IORESOURCE_IRQ, |
818 | }, | |
819 | { | |
6af75ecd LW |
820 | .name = "BTEMP_MEDIUM_HIGH", |
821 | .start = AB8500_INT_BTEMP_MEDIUM_HIGH, | |
822 | .end = AB8500_INT_BTEMP_MEDIUM_HIGH, | |
e098aded MW |
823 | .flags = IORESOURCE_IRQ, |
824 | }, | |
6af75ecd LW |
825 | }; |
826 | ||
a9e9ce4c | 827 | static struct resource ab8500_fg_resources[] = { |
e098aded | 828 | { |
6af75ecd LW |
829 | .name = "NCONV_ACCU", |
830 | .start = AB8500_INT_CCN_CONV_ACC, | |
831 | .end = AB8500_INT_CCN_CONV_ACC, | |
e098aded MW |
832 | .flags = IORESOURCE_IRQ, |
833 | }, | |
834 | { | |
6af75ecd LW |
835 | .name = "BATT_OVV", |
836 | .start = AB8500_INT_BATT_OVV, | |
837 | .end = AB8500_INT_BATT_OVV, | |
e098aded MW |
838 | .flags = IORESOURCE_IRQ, |
839 | }, | |
840 | { | |
6af75ecd LW |
841 | .name = "LOW_BAT_F", |
842 | .start = AB8500_INT_LOW_BAT_F, | |
843 | .end = AB8500_INT_LOW_BAT_F, | |
844 | .flags = IORESOURCE_IRQ, | |
845 | }, | |
846 | { | |
847 | .name = "LOW_BAT_R", | |
848 | .start = AB8500_INT_LOW_BAT_R, | |
849 | .end = AB8500_INT_LOW_BAT_R, | |
850 | .flags = IORESOURCE_IRQ, | |
851 | }, | |
852 | { | |
853 | .name = "CC_INT_CALIB", | |
854 | .start = AB8500_INT_CC_INT_CALIB, | |
855 | .end = AB8500_INT_CC_INT_CALIB, | |
e098aded MW |
856 | .flags = IORESOURCE_IRQ, |
857 | }, | |
a982362c BJ |
858 | { |
859 | .name = "CCEOC", | |
860 | .start = AB8500_INT_CCEOC, | |
861 | .end = AB8500_INT_CCEOC, | |
862 | .flags = IORESOURCE_IRQ, | |
863 | }, | |
e098aded MW |
864 | }; |
865 | ||
a9e9ce4c | 866 | static struct resource ab8500_chargalg_resources[] = {}; |
6af75ecd | 867 | |
df720647 | 868 | #ifdef CONFIG_DEBUG_FS |
a9e9ce4c | 869 | static struct resource ab8500_debug_resources[] = { |
6999181e LW |
870 | { |
871 | .name = "IRQ_AB8500", | |
872 | /* | |
873 | * Number will be filled in. NOTE: this is deliberately | |
874 | * not flagged as an IRQ in ordet to avoid remapping using | |
875 | * the irqdomain in the MFD core, so that this IRQ passes | |
876 | * unremapped to the debug code. | |
877 | */ | |
878 | }, | |
e098aded MW |
879 | { |
880 | .name = "IRQ_FIRST", | |
881 | .start = AB8500_INT_MAIN_EXT_CH_NOT_OK, | |
882 | .end = AB8500_INT_MAIN_EXT_CH_NOT_OK, | |
883 | .flags = IORESOURCE_IRQ, | |
884 | }, | |
885 | { | |
886 | .name = "IRQ_LAST", | |
a982362c BJ |
887 | .start = AB8500_INT_XTAL32K_KO, |
888 | .end = AB8500_INT_XTAL32K_KO, | |
e098aded MW |
889 | .flags = IORESOURCE_IRQ, |
890 | }, | |
891 | }; | |
df720647 | 892 | #endif |
e098aded | 893 | |
a9e9ce4c | 894 | static struct resource ab8500_usb_resources[] = { |
e098aded MW |
895 | { |
896 | .name = "ID_WAKEUP_R", | |
897 | .start = AB8500_INT_ID_WAKEUP_R, | |
898 | .end = AB8500_INT_ID_WAKEUP_R, | |
899 | .flags = IORESOURCE_IRQ, | |
900 | }, | |
901 | { | |
902 | .name = "ID_WAKEUP_F", | |
903 | .start = AB8500_INT_ID_WAKEUP_F, | |
904 | .end = AB8500_INT_ID_WAKEUP_F, | |
905 | .flags = IORESOURCE_IRQ, | |
906 | }, | |
907 | { | |
908 | .name = "VBUS_DET_F", | |
909 | .start = AB8500_INT_VBUS_DET_F, | |
910 | .end = AB8500_INT_VBUS_DET_F, | |
911 | .flags = IORESOURCE_IRQ, | |
912 | }, | |
913 | { | |
914 | .name = "VBUS_DET_R", | |
915 | .start = AB8500_INT_VBUS_DET_R, | |
916 | .end = AB8500_INT_VBUS_DET_R, | |
917 | .flags = IORESOURCE_IRQ, | |
918 | }, | |
92d50a41 MW |
919 | { |
920 | .name = "USB_LINK_STATUS", | |
921 | .start = AB8500_INT_USB_LINK_STATUS, | |
922 | .end = AB8500_INT_USB_LINK_STATUS, | |
923 | .flags = IORESOURCE_IRQ, | |
924 | }, | |
6af75ecd LW |
925 | { |
926 | .name = "USB_ADP_PROBE_PLUG", | |
927 | .start = AB8500_INT_ADP_PROBE_PLUG, | |
928 | .end = AB8500_INT_ADP_PROBE_PLUG, | |
929 | .flags = IORESOURCE_IRQ, | |
930 | }, | |
931 | { | |
932 | .name = "USB_ADP_PROBE_UNPLUG", | |
933 | .start = AB8500_INT_ADP_PROBE_UNPLUG, | |
934 | .end = AB8500_INT_ADP_PROBE_UNPLUG, | |
935 | .flags = IORESOURCE_IRQ, | |
936 | }, | |
e098aded MW |
937 | }; |
938 | ||
a9e9ce4c | 939 | static struct resource ab8505_iddet_resources[] = { |
44f72e53 VS |
940 | { |
941 | .name = "KeyDeglitch", | |
942 | .start = AB8505_INT_KEYDEGLITCH, | |
943 | .end = AB8505_INT_KEYDEGLITCH, | |
944 | .flags = IORESOURCE_IRQ, | |
945 | }, | |
946 | { | |
947 | .name = "KP", | |
948 | .start = AB8505_INT_KP, | |
949 | .end = AB8505_INT_KP, | |
950 | .flags = IORESOURCE_IRQ, | |
951 | }, | |
952 | { | |
953 | .name = "IKP", | |
954 | .start = AB8505_INT_IKP, | |
955 | .end = AB8505_INT_IKP, | |
956 | .flags = IORESOURCE_IRQ, | |
957 | }, | |
958 | { | |
959 | .name = "IKR", | |
960 | .start = AB8505_INT_IKR, | |
961 | .end = AB8505_INT_IKR, | |
962 | .flags = IORESOURCE_IRQ, | |
963 | }, | |
964 | { | |
965 | .name = "KeyStuck", | |
966 | .start = AB8505_INT_KEYSTUCK, | |
967 | .end = AB8505_INT_KEYSTUCK, | |
968 | .flags = IORESOURCE_IRQ, | |
969 | }, | |
492390c8 LJ |
970 | { |
971 | .name = "VBUS_DET_R", | |
972 | .start = AB8500_INT_VBUS_DET_R, | |
973 | .end = AB8500_INT_VBUS_DET_R, | |
974 | .flags = IORESOURCE_IRQ, | |
975 | }, | |
976 | { | |
977 | .name = "VBUS_DET_F", | |
978 | .start = AB8500_INT_VBUS_DET_F, | |
979 | .end = AB8500_INT_VBUS_DET_F, | |
980 | .flags = IORESOURCE_IRQ, | |
981 | }, | |
982 | { | |
983 | .name = "ID_DET_PLUGR", | |
984 | .start = AB8500_INT_ID_DET_PLUGR, | |
985 | .end = AB8500_INT_ID_DET_PLUGR, | |
986 | .flags = IORESOURCE_IRQ, | |
987 | }, | |
988 | { | |
989 | .name = "ID_DET_PLUGF", | |
990 | .start = AB8500_INT_ID_DET_PLUGF, | |
991 | .end = AB8500_INT_ID_DET_PLUGF, | |
992 | .flags = IORESOURCE_IRQ, | |
993 | }, | |
44f72e53 VS |
994 | }; |
995 | ||
a9e9ce4c | 996 | static struct resource ab8500_temp_resources[] = { |
e098aded | 997 | { |
151621a7 | 998 | .name = "ABX500_TEMP_WARM", |
e098aded MW |
999 | .start = AB8500_INT_TEMP_WARM, |
1000 | .end = AB8500_INT_TEMP_WARM, | |
1001 | .flags = IORESOURCE_IRQ, | |
1002 | }, | |
1003 | }; | |
1004 | ||
4b106fb9 LJ |
1005 | static struct mfd_cell ab8500_bm_devs[] = { |
1006 | { | |
1007 | .name = "ab8500-charger", | |
1008 | .of_compatible = "stericsson,ab8500-charger", | |
1009 | .num_resources = ARRAY_SIZE(ab8500_charger_resources), | |
1010 | .resources = ab8500_charger_resources, | |
1011 | .platform_data = &ab8500_bm_data, | |
1012 | .pdata_size = sizeof(ab8500_bm_data), | |
1013 | }, | |
1014 | { | |
1015 | .name = "ab8500-btemp", | |
1016 | .of_compatible = "stericsson,ab8500-btemp", | |
1017 | .num_resources = ARRAY_SIZE(ab8500_btemp_resources), | |
1018 | .resources = ab8500_btemp_resources, | |
1019 | .platform_data = &ab8500_bm_data, | |
1020 | .pdata_size = sizeof(ab8500_bm_data), | |
1021 | }, | |
1022 | { | |
1023 | .name = "ab8500-fg", | |
1024 | .of_compatible = "stericsson,ab8500-fg", | |
1025 | .num_resources = ARRAY_SIZE(ab8500_fg_resources), | |
1026 | .resources = ab8500_fg_resources, | |
1027 | .platform_data = &ab8500_bm_data, | |
1028 | .pdata_size = sizeof(ab8500_bm_data), | |
1029 | }, | |
1030 | { | |
1031 | .name = "ab8500-chargalg", | |
1032 | .of_compatible = "stericsson,ab8500-chargalg", | |
1033 | .num_resources = ARRAY_SIZE(ab8500_chargalg_resources), | |
1034 | .resources = ab8500_chargalg_resources, | |
1035 | .platform_data = &ab8500_bm_data, | |
1036 | .pdata_size = sizeof(ab8500_bm_data), | |
1037 | }, | |
1038 | }; | |
1039 | ||
1040 | static struct mfd_cell ab8500_devs[] = { | |
5814fc35 MW |
1041 | #ifdef CONFIG_DEBUG_FS |
1042 | { | |
1043 | .name = "ab8500-debug", | |
bad76991 | 1044 | .of_compatible = "stericsson,ab8500-debug", |
e098aded MW |
1045 | .num_resources = ARRAY_SIZE(ab8500_debug_resources), |
1046 | .resources = ab8500_debug_resources, | |
5814fc35 MW |
1047 | }, |
1048 | #endif | |
e098aded MW |
1049 | { |
1050 | .name = "ab8500-sysctrl", | |
bad76991 | 1051 | .of_compatible = "stericsson,ab8500-sysctrl", |
e098aded MW |
1052 | }, |
1053 | { | |
1054 | .name = "ab8500-regulator", | |
bad76991 | 1055 | .of_compatible = "stericsson,ab8500-regulator", |
e098aded | 1056 | }, |
916a871c UH |
1057 | { |
1058 | .name = "abx500-clk", | |
1059 | .of_compatible = "stericsson,abx500-clk", | |
1060 | }, | |
4b106fb9 LJ |
1061 | { |
1062 | .name = "ab8500-gpadc", | |
1063 | .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), | |
1064 | .resources = ab8500_gpadc_resources, | |
1065 | }, | |
62579266 RV |
1066 | { |
1067 | .name = "ab8500-rtc", | |
bad76991 | 1068 | .of_compatible = "stericsson,ab8500-rtc", |
62579266 RV |
1069 | .num_resources = ARRAY_SIZE(ab8500_rtc_resources), |
1070 | .resources = ab8500_rtc_resources, | |
1071 | }, | |
6af75ecd LW |
1072 | { |
1073 | .name = "ab8500-acc-det", | |
bad76991 | 1074 | .of_compatible = "stericsson,ab8500-acc-det", |
6af75ecd LW |
1075 | .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), |
1076 | .resources = ab8500_av_acc_detect_resources, | |
1077 | }, | |
e098aded | 1078 | { |
4b106fb9 | 1079 | |
e098aded | 1080 | .name = "ab8500-poweron-key", |
bad76991 | 1081 | .of_compatible = "stericsson,ab8500-poweron-key", |
e098aded MW |
1082 | .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), |
1083 | .resources = ab8500_poweronkey_db_resources, | |
1084 | }, | |
f0f05b1c AM |
1085 | { |
1086 | .name = "ab8500-pwm", | |
bad76991 | 1087 | .of_compatible = "stericsson,ab8500-pwm", |
f0f05b1c AM |
1088 | .id = 1, |
1089 | }, | |
1090 | { | |
1091 | .name = "ab8500-pwm", | |
bad76991 | 1092 | .of_compatible = "stericsson,ab8500-pwm", |
f0f05b1c AM |
1093 | .id = 2, |
1094 | }, | |
1095 | { | |
1096 | .name = "ab8500-pwm", | |
bad76991 | 1097 | .of_compatible = "stericsson,ab8500-pwm", |
f0f05b1c AM |
1098 | .id = 3, |
1099 | }, | |
bad76991 LJ |
1100 | { |
1101 | .name = "ab8500-leds", | |
1102 | .of_compatible = "stericsson,ab8500-leds", | |
1103 | }, | |
77686517 | 1104 | { |
e098aded | 1105 | .name = "ab8500-denc", |
bad76991 | 1106 | .of_compatible = "stericsson,ab8500-denc", |
e098aded | 1107 | }, |
4b106fb9 | 1108 | { |
eb696c31 | 1109 | .name = "pinctrl-ab8500", |
4b106fb9 LJ |
1110 | .of_compatible = "stericsson,ab8500-gpio", |
1111 | }, | |
e098aded | 1112 | { |
151621a7 HZ |
1113 | .name = "abx500-temp", |
1114 | .of_compatible = "stericsson,abx500-temp", | |
e098aded MW |
1115 | .num_resources = ARRAY_SIZE(ab8500_temp_resources), |
1116 | .resources = ab8500_temp_resources, | |
77686517 | 1117 | }, |
6ef9418c | 1118 | { |
4b106fb9 | 1119 | .name = "ab8500-usb", |
f201f730 | 1120 | .of_compatible = "stericsson,ab8500-usb", |
4b106fb9 LJ |
1121 | .num_resources = ARRAY_SIZE(ab8500_usb_resources), |
1122 | .resources = ab8500_usb_resources, | |
6ef9418c RA |
1123 | }, |
1124 | { | |
4b106fb9 | 1125 | .name = "ab8500-codec", |
6ef9418c RA |
1126 | }, |
1127 | }; | |
1128 | ||
4b106fb9 LJ |
1129 | static struct mfd_cell ab9540_devs[] = { |
1130 | #ifdef CONFIG_DEBUG_FS | |
d6255529 | 1131 | { |
4b106fb9 LJ |
1132 | .name = "ab8500-debug", |
1133 | .num_resources = ARRAY_SIZE(ab8500_debug_resources), | |
1134 | .resources = ab8500_debug_resources, | |
d6255529 | 1135 | }, |
4b106fb9 | 1136 | #endif |
d6255529 | 1137 | { |
4b106fb9 | 1138 | .name = "ab8500-sysctrl", |
d6255529 | 1139 | }, |
44f72e53 | 1140 | { |
4b106fb9 | 1141 | .name = "ab8500-regulator", |
44f72e53 | 1142 | }, |
9ee17676 UH |
1143 | { |
1144 | .name = "abx500-clk", | |
1145 | .of_compatible = "stericsson,abx500-clk", | |
1146 | }, | |
c0eda9ae LJ |
1147 | { |
1148 | .name = "ab8500-gpadc", | |
1149 | .of_compatible = "stericsson,ab8500-gpadc", | |
1150 | .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), | |
1151 | .resources = ab8500_gpadc_resources, | |
1152 | }, | |
4b106fb9 LJ |
1153 | { |
1154 | .name = "ab8500-rtc", | |
1155 | .num_resources = ARRAY_SIZE(ab8500_rtc_resources), | |
1156 | .resources = ab8500_rtc_resources, | |
1157 | }, | |
1158 | { | |
1159 | .name = "ab8500-acc-det", | |
1160 | .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), | |
1161 | .resources = ab8500_av_acc_detect_resources, | |
1162 | }, | |
1163 | { | |
1164 | .name = "ab8500-poweron-key", | |
1165 | .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), | |
1166 | .resources = ab8500_poweronkey_db_resources, | |
1167 | }, | |
1168 | { | |
1169 | .name = "ab8500-pwm", | |
1170 | .id = 1, | |
1171 | }, | |
1172 | { | |
1173 | .name = "ab8500-leds", | |
1174 | }, | |
1175 | { | |
1176 | .name = "abx500-temp", | |
1177 | .num_resources = ARRAY_SIZE(ab8500_temp_resources), | |
1178 | .resources = ab8500_temp_resources, | |
1179 | }, | |
d6255529 | 1180 | { |
e64d905e LJ |
1181 | .name = "pinctrl-ab9540", |
1182 | .of_compatible = "stericsson,ab9540-gpio", | |
d6255529 LW |
1183 | }, |
1184 | { | |
1185 | .name = "ab9540-usb", | |
1186 | .num_resources = ARRAY_SIZE(ab8500_usb_resources), | |
1187 | .resources = ab8500_usb_resources, | |
1188 | }, | |
44f72e53 VS |
1189 | { |
1190 | .name = "ab9540-codec", | |
1191 | }, | |
c0eda9ae LJ |
1192 | { |
1193 | .name = "ab-iddet", | |
1194 | .num_resources = ARRAY_SIZE(ab8505_iddet_resources), | |
1195 | .resources = ab8505_iddet_resources, | |
1196 | }, | |
44f72e53 VS |
1197 | }; |
1198 | ||
c0eda9ae LJ |
1199 | /* Device list for ab8505 */ |
1200 | static struct mfd_cell ab8505_devs[] = { | |
4b106fb9 LJ |
1201 | #ifdef CONFIG_DEBUG_FS |
1202 | { | |
1203 | .name = "ab8500-debug", | |
1204 | .num_resources = ARRAY_SIZE(ab8500_debug_resources), | |
1205 | .resources = ab8500_debug_resources, | |
1206 | }, | |
1207 | #endif | |
1208 | { | |
1209 | .name = "ab8500-sysctrl", | |
1210 | }, | |
1211 | { | |
1212 | .name = "ab8500-regulator", | |
1213 | }, | |
9ee17676 UH |
1214 | { |
1215 | .name = "abx500-clk", | |
1216 | .of_compatible = "stericsson,abx500-clk", | |
1217 | }, | |
4b106fb9 LJ |
1218 | { |
1219 | .name = "ab8500-gpadc", | |
1220 | .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), | |
1221 | .resources = ab8505_gpadc_resources, | |
1222 | }, | |
1223 | { | |
1224 | .name = "ab8500-rtc", | |
1225 | .num_resources = ARRAY_SIZE(ab8500_rtc_resources), | |
1226 | .resources = ab8500_rtc_resources, | |
1227 | }, | |
1228 | { | |
1229 | .name = "ab8500-acc-det", | |
1230 | .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), | |
1231 | .resources = ab8500_av_acc_detect_resources, | |
1232 | }, | |
1233 | { | |
1234 | .name = "ab8500-poweron-key", | |
1235 | .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), | |
1236 | .resources = ab8500_poweronkey_db_resources, | |
1237 | }, | |
1238 | { | |
1239 | .name = "ab8500-pwm", | |
1240 | .id = 1, | |
1241 | }, | |
1242 | { | |
1243 | .name = "ab8500-leds", | |
1244 | }, | |
1245 | { | |
eb696c31 | 1246 | .name = "pinctrl-ab8505", |
4b106fb9 LJ |
1247 | }, |
1248 | { | |
1249 | .name = "ab8500-usb", | |
1250 | .num_resources = ARRAY_SIZE(ab8500_usb_resources), | |
1251 | .resources = ab8500_usb_resources, | |
1252 | }, | |
1253 | { | |
1254 | .name = "ab8500-codec", | |
1255 | }, | |
c0eda9ae LJ |
1256 | { |
1257 | .name = "ab-iddet", | |
1258 | .num_resources = ARRAY_SIZE(ab8505_iddet_resources), | |
1259 | .resources = ab8505_iddet_resources, | |
1260 | }, | |
1261 | }; | |
1262 | ||
1263 | static struct mfd_cell ab8540_devs[] = { | |
4b106fb9 LJ |
1264 | #ifdef CONFIG_DEBUG_FS |
1265 | { | |
1266 | .name = "ab8500-debug", | |
1267 | .num_resources = ARRAY_SIZE(ab8500_debug_resources), | |
1268 | .resources = ab8500_debug_resources, | |
1269 | }, | |
1270 | #endif | |
1271 | { | |
1272 | .name = "ab8500-sysctrl", | |
1273 | }, | |
1274 | { | |
1275 | .name = "ab8500-regulator", | |
1276 | }, | |
9ee17676 UH |
1277 | { |
1278 | .name = "abx500-clk", | |
1279 | .of_compatible = "stericsson,abx500-clk", | |
1280 | }, | |
4b106fb9 LJ |
1281 | { |
1282 | .name = "ab8500-gpadc", | |
1283 | .num_resources = ARRAY_SIZE(ab8505_gpadc_resources), | |
1284 | .resources = ab8505_gpadc_resources, | |
1285 | }, | |
1286 | { | |
1287 | .name = "ab8500-rtc", | |
1288 | .num_resources = ARRAY_SIZE(ab8500_rtc_resources), | |
1289 | .resources = ab8500_rtc_resources, | |
1290 | }, | |
1291 | { | |
1292 | .name = "ab8500-acc-det", | |
1293 | .num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources), | |
1294 | .resources = ab8500_av_acc_detect_resources, | |
1295 | }, | |
1296 | { | |
1297 | .name = "ab8500-poweron-key", | |
1298 | .num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources), | |
1299 | .resources = ab8500_poweronkey_db_resources, | |
1300 | }, | |
1301 | { | |
1302 | .name = "ab8500-pwm", | |
1303 | .id = 1, | |
1304 | }, | |
1305 | { | |
1306 | .name = "ab8500-leds", | |
1307 | }, | |
1308 | { | |
1309 | .name = "abx500-temp", | |
1310 | .num_resources = ARRAY_SIZE(ab8500_temp_resources), | |
1311 | .resources = ab8500_temp_resources, | |
1312 | }, | |
c0eda9ae | 1313 | { |
eb696c31 | 1314 | .name = "pinctrl-ab8540", |
c0eda9ae LJ |
1315 | }, |
1316 | { | |
1317 | .name = "ab8540-usb", | |
1318 | .num_resources = ARRAY_SIZE(ab8500_usb_resources), | |
1319 | .resources = ab8500_usb_resources, | |
1320 | }, | |
1321 | { | |
1322 | .name = "ab8540-codec", | |
1323 | }, | |
44f72e53 VS |
1324 | { |
1325 | .name = "ab-iddet", | |
1326 | .num_resources = ARRAY_SIZE(ab8505_iddet_resources), | |
1327 | .resources = ab8505_iddet_resources, | |
1328 | }, | |
d6255529 LW |
1329 | }; |
1330 | ||
cca69b67 MW |
1331 | static ssize_t show_chip_id(struct device *dev, |
1332 | struct device_attribute *attr, char *buf) | |
1333 | { | |
1334 | struct ab8500 *ab8500; | |
1335 | ||
1336 | ab8500 = dev_get_drvdata(dev); | |
e436ddff | 1337 | |
cca69b67 MW |
1338 | return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL); |
1339 | } | |
1340 | ||
e5c238c3 MW |
1341 | /* |
1342 | * ab8500 has switched off due to (SWITCH_OFF_STATUS): | |
1343 | * 0x01 Swoff bit programming | |
1344 | * 0x02 Thermal protection activation | |
1345 | * 0x04 Vbat lower then BattOk falling threshold | |
1346 | * 0x08 Watchdog expired | |
1347 | * 0x10 Non presence of 32kHz clock | |
1348 | * 0x20 Battery level lower than power on reset threshold | |
1349 | * 0x40 Power on key 1 pressed longer than 10 seconds | |
1350 | * 0x80 DB8500 thermal shutdown | |
1351 | */ | |
1352 | static ssize_t show_switch_off_status(struct device *dev, | |
1353 | struct device_attribute *attr, char *buf) | |
1354 | { | |
1355 | int ret; | |
1356 | u8 value; | |
1357 | struct ab8500 *ab8500; | |
1358 | ||
1359 | ab8500 = dev_get_drvdata(dev); | |
1360 | ret = get_register_interruptible(ab8500, AB8500_RTC, | |
1361 | AB8500_SWITCH_OFF_STATUS, &value); | |
1362 | if (ret < 0) | |
1363 | return ret; | |
1364 | return sprintf(buf, "%#x\n", value); | |
1365 | } | |
1366 | ||
f04a9d8a RK |
1367 | /* use mask and set to override the register turn_on_stat value */ |
1368 | void ab8500_override_turn_on_stat(u8 mask, u8 set) | |
1369 | { | |
1370 | spin_lock(&on_stat_lock); | |
1371 | turn_on_stat_mask = mask; | |
1372 | turn_on_stat_set = set; | |
1373 | spin_unlock(&on_stat_lock); | |
1374 | } | |
1375 | ||
b4a31037 AL |
1376 | /* |
1377 | * ab8500 has turned on due to (TURN_ON_STATUS): | |
1378 | * 0x01 PORnVbat | |
1379 | * 0x02 PonKey1dbF | |
1380 | * 0x04 PonKey2dbF | |
1381 | * 0x08 RTCAlarm | |
1382 | * 0x10 MainChDet | |
1383 | * 0x20 VbusDet | |
1384 | * 0x40 UsbIDDetect | |
1385 | * 0x80 Reserved | |
1386 | */ | |
1387 | static ssize_t show_turn_on_status(struct device *dev, | |
1388 | struct device_attribute *attr, char *buf) | |
1389 | { | |
1390 | int ret; | |
1391 | u8 value; | |
1392 | struct ab8500 *ab8500; | |
1393 | ||
1394 | ab8500 = dev_get_drvdata(dev); | |
1395 | ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, | |
1396 | AB8500_TURN_ON_STATUS, &value); | |
1397 | if (ret < 0) | |
1398 | return ret; | |
f04a9d8a RK |
1399 | |
1400 | /* | |
1401 | * In L9540, turn_on_status register is not updated correctly if | |
1402 | * the device is rebooted with AC/USB charger connected. Due to | |
1403 | * this, the device boots android instead of entering into charge | |
1404 | * only mode. Read the AC/USB status register to detect the charger | |
1405 | * presence and update the turn on status manually. | |
1406 | */ | |
1407 | if (is_ab9540(ab8500)) { | |
1408 | spin_lock(&on_stat_lock); | |
1409 | value = (value & turn_on_stat_mask) | turn_on_stat_set; | |
1410 | spin_unlock(&on_stat_lock); | |
1411 | } | |
1412 | ||
b4a31037 AL |
1413 | return sprintf(buf, "%#x\n", value); |
1414 | } | |
1415 | ||
93ff722e LJ |
1416 | static ssize_t show_turn_on_status_2(struct device *dev, |
1417 | struct device_attribute *attr, char *buf) | |
1418 | { | |
1419 | int ret; | |
1420 | u8 value; | |
1421 | struct ab8500 *ab8500; | |
1422 | ||
1423 | ab8500 = dev_get_drvdata(dev); | |
1424 | ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, | |
1425 | AB8505_TURN_ON_STATUS_2, &value); | |
1426 | if (ret < 0) | |
1427 | return ret; | |
1428 | return sprintf(buf, "%#x\n", (value & 0x1)); | |
1429 | } | |
1430 | ||
d6255529 LW |
1431 | static ssize_t show_ab9540_dbbrstn(struct device *dev, |
1432 | struct device_attribute *attr, char *buf) | |
1433 | { | |
1434 | struct ab8500 *ab8500; | |
1435 | int ret; | |
1436 | u8 value; | |
1437 | ||
1438 | ab8500 = dev_get_drvdata(dev); | |
1439 | ||
1440 | ret = get_register_interruptible(ab8500, AB8500_REGU_CTRL2, | |
1441 | AB9540_MODEM_CTRL2_REG, &value); | |
1442 | if (ret < 0) | |
1443 | return ret; | |
1444 | ||
1445 | return sprintf(buf, "%d\n", | |
1446 | (value & AB9540_MODEM_CTRL2_SWDBBRSTN_BIT) ? 1 : 0); | |
1447 | } | |
1448 | ||
1449 | static ssize_t store_ab9540_dbbrstn(struct device *dev, | |
1450 | struct device_attribute *attr, const char *buf, size_t count) | |
1451 | { | |
1452 | struct ab8500 *ab8500; | |
1453 | int ret = count; | |
1454 | int err; | |
1455 | u8 bitvalues; | |
1456 | ||
1457 | ab8500 = dev_get_drvdata(dev); | |
1458 | ||
1459 | if (count > 0) { | |
1460 | switch (buf[0]) { | |
1461 | case '0': | |
1462 | bitvalues = 0; | |
1463 | break; | |
1464 | case '1': | |
1465 | bitvalues = AB9540_MODEM_CTRL2_SWDBBRSTN_BIT; | |
1466 | break; | |
1467 | default: | |
1468 | goto exit; | |
1469 | } | |
1470 | ||
1471 | err = mask_and_set_register_interruptible(ab8500, | |
1472 | AB8500_REGU_CTRL2, AB9540_MODEM_CTRL2_REG, | |
1473 | AB9540_MODEM_CTRL2_SWDBBRSTN_BIT, bitvalues); | |
1474 | if (err) | |
1475 | dev_info(ab8500->dev, | |
1476 | "Failed to set DBBRSTN %c, err %#x\n", | |
1477 | buf[0], err); | |
1478 | } | |
1479 | ||
1480 | exit: | |
1481 | return ret; | |
1482 | } | |
1483 | ||
cca69b67 | 1484 | static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL); |
e5c238c3 | 1485 | static DEVICE_ATTR(switch_off_status, S_IRUGO, show_switch_off_status, NULL); |
b4a31037 | 1486 | static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL); |
93ff722e | 1487 | static DEVICE_ATTR(turn_on_status_2, S_IRUGO, show_turn_on_status_2, NULL); |
d6255529 LW |
1488 | static DEVICE_ATTR(dbbrstn, S_IRUGO | S_IWUSR, |
1489 | show_ab9540_dbbrstn, store_ab9540_dbbrstn); | |
cca69b67 MW |
1490 | |
1491 | static struct attribute *ab8500_sysfs_entries[] = { | |
1492 | &dev_attr_chip_id.attr, | |
e5c238c3 | 1493 | &dev_attr_switch_off_status.attr, |
b4a31037 | 1494 | &dev_attr_turn_on_status.attr, |
cca69b67 MW |
1495 | NULL, |
1496 | }; | |
1497 | ||
93ff722e LJ |
1498 | static struct attribute *ab8505_sysfs_entries[] = { |
1499 | &dev_attr_turn_on_status_2.attr, | |
1500 | NULL, | |
1501 | }; | |
1502 | ||
d6255529 LW |
1503 | static struct attribute *ab9540_sysfs_entries[] = { |
1504 | &dev_attr_chip_id.attr, | |
1505 | &dev_attr_switch_off_status.attr, | |
1506 | &dev_attr_turn_on_status.attr, | |
1507 | &dev_attr_dbbrstn.attr, | |
1508 | NULL, | |
1509 | }; | |
1510 | ||
cca69b67 MW |
1511 | static struct attribute_group ab8500_attr_group = { |
1512 | .attrs = ab8500_sysfs_entries, | |
1513 | }; | |
1514 | ||
93ff722e LJ |
1515 | static struct attribute_group ab8505_attr_group = { |
1516 | .attrs = ab8505_sysfs_entries, | |
1517 | }; | |
1518 | ||
d6255529 LW |
1519 | static struct attribute_group ab9540_attr_group = { |
1520 | .attrs = ab9540_sysfs_entries, | |
1521 | }; | |
1522 | ||
f791be49 | 1523 | static int ab8500_probe(struct platform_device *pdev) |
62579266 | 1524 | { |
b04c530c JA |
1525 | static char *switch_off_status[] = { |
1526 | "Swoff bit programming", | |
1527 | "Thermal protection activation", | |
1528 | "Vbat lower then BattOk falling threshold", | |
1529 | "Watchdog expired", | |
1530 | "Non presence of 32kHz clock", | |
1531 | "Battery level lower than power on reset threshold", | |
1532 | "Power on key 1 pressed longer than 10 seconds", | |
1533 | "DB8500 thermal shutdown"}; | |
abee26cd MW |
1534 | static char *turn_on_status[] = { |
1535 | "Battery rising (Vbat)", | |
1536 | "Power On Key 1 dbF", | |
1537 | "Power On Key 2 dbF", | |
1538 | "RTC Alarm", | |
1539 | "Main Charger Detect", | |
1540 | "Vbus Detect (USB)", | |
1541 | "USB ID Detect", | |
1542 | "UART Factory Mode Detect"}; | |
d28f1db8 LJ |
1543 | struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); |
1544 | const struct platform_device_id *platid = platform_get_device_id(pdev); | |
6bc4a568 LJ |
1545 | enum ab8500_version version = AB8500_VERSION_UNDEFINED; |
1546 | struct device_node *np = pdev->dev.of_node; | |
d28f1db8 LJ |
1547 | struct ab8500 *ab8500; |
1548 | struct resource *resource; | |
62579266 RV |
1549 | int ret; |
1550 | int i; | |
47c16975 | 1551 | u8 value; |
62579266 | 1552 | |
8c4203cb | 1553 | ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL); |
d28f1db8 LJ |
1554 | if (!ab8500) |
1555 | return -ENOMEM; | |
1556 | ||
62579266 RV |
1557 | if (plat) |
1558 | ab8500->irq_base = plat->irq_base; | |
1559 | ||
d28f1db8 LJ |
1560 | ab8500->dev = &pdev->dev; |
1561 | ||
1562 | resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
8c4203cb LJ |
1563 | if (!resource) |
1564 | return -ENODEV; | |
d28f1db8 LJ |
1565 | |
1566 | ab8500->irq = resource->start; | |
1567 | ||
822672a7 LJ |
1568 | ab8500->read = ab8500_prcmu_read; |
1569 | ab8500->write = ab8500_prcmu_write; | |
1570 | ab8500->write_masked = ab8500_prcmu_write_masked; | |
d28f1db8 | 1571 | |
62579266 RV |
1572 | mutex_init(&ab8500->lock); |
1573 | mutex_init(&ab8500->irq_lock); | |
112a80d2 | 1574 | atomic_set(&ab8500->transfer_ongoing, 0); |
62579266 | 1575 | |
d28f1db8 LJ |
1576 | platform_set_drvdata(pdev, ab8500); |
1577 | ||
6bc4a568 LJ |
1578 | if (platid) |
1579 | version = platid->driver_data; | |
6bc4a568 | 1580 | |
0f620837 LW |
1581 | if (version != AB8500_VERSION_UNDEFINED) |
1582 | ab8500->version = version; | |
1583 | else { | |
1584 | ret = get_register_interruptible(ab8500, AB8500_MISC, | |
1585 | AB8500_IC_NAME_REG, &value); | |
1586 | if (ret < 0) | |
8c4203cb | 1587 | return ret; |
0f620837 LW |
1588 | |
1589 | ab8500->version = value; | |
1590 | } | |
1591 | ||
47c16975 MW |
1592 | ret = get_register_interruptible(ab8500, AB8500_MISC, |
1593 | AB8500_REV_REG, &value); | |
62579266 | 1594 | if (ret < 0) |
8c4203cb | 1595 | return ret; |
62579266 | 1596 | |
47c16975 | 1597 | ab8500->chip_id = value; |
62579266 | 1598 | |
0f620837 LW |
1599 | dev_info(ab8500->dev, "detected chip, %s rev. %1x.%1x\n", |
1600 | ab8500_version_str[ab8500->version], | |
1601 | ab8500->chip_id >> 4, | |
1602 | ab8500->chip_id & 0x0F); | |
1603 | ||
3e1a498f LJ |
1604 | /* Configure AB8540 */ |
1605 | if (is_ab8540(ab8500)) { | |
1606 | ab8500->mask_size = AB8540_NUM_IRQ_REGS; | |
1607 | ab8500->irq_reg_offset = ab8540_irq_regoffset; | |
1608 | ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM; | |
1609 | }/* Configure AB8500 or AB9540 IRQ */ | |
1610 | else if (is_ab9540(ab8500) || is_ab8505(ab8500)) { | |
d6255529 LW |
1611 | ab8500->mask_size = AB9540_NUM_IRQ_REGS; |
1612 | ab8500->irq_reg_offset = ab9540_irq_regoffset; | |
3e1a498f | 1613 | ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; |
d6255529 LW |
1614 | } else { |
1615 | ab8500->mask_size = AB8500_NUM_IRQ_REGS; | |
1616 | ab8500->irq_reg_offset = ab8500_irq_regoffset; | |
3e1a498f | 1617 | ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM; |
d6255529 | 1618 | } |
8c4203cb | 1619 | ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); |
2ced445e LW |
1620 | if (!ab8500->mask) |
1621 | return -ENOMEM; | |
8c4203cb LJ |
1622 | ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL); |
1623 | if (!ab8500->oldmask) | |
1624 | return -ENOMEM; | |
1625 | ||
e5c238c3 MW |
1626 | /* |
1627 | * ab8500 has switched off due to (SWITCH_OFF_STATUS): | |
1628 | * 0x01 Swoff bit programming | |
1629 | * 0x02 Thermal protection activation | |
1630 | * 0x04 Vbat lower then BattOk falling threshold | |
1631 | * 0x08 Watchdog expired | |
1632 | * 0x10 Non presence of 32kHz clock | |
1633 | * 0x20 Battery level lower than power on reset threshold | |
1634 | * 0x40 Power on key 1 pressed longer than 10 seconds | |
1635 | * 0x80 DB8500 thermal shutdown | |
1636 | */ | |
1637 | ||
1638 | ret = get_register_interruptible(ab8500, AB8500_RTC, | |
1639 | AB8500_SWITCH_OFF_STATUS, &value); | |
1640 | if (ret < 0) | |
1641 | return ret; | |
b04c530c JA |
1642 | dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value); |
1643 | ||
1644 | if (value) { | |
1645 | for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) { | |
1646 | if (value & 1) | |
1647 | printk(KERN_CONT " \"%s\"", | |
1648 | switch_off_status[i]); | |
1649 | value = value >> 1; | |
1650 | ||
1651 | } | |
1652 | printk(KERN_CONT "\n"); | |
1653 | } else { | |
1654 | printk(KERN_CONT " None\n"); | |
1655 | } | |
abee26cd MW |
1656 | ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK, |
1657 | AB8500_TURN_ON_STATUS, &value); | |
1658 | if (ret < 0) | |
1659 | return ret; | |
1660 | dev_info(ab8500->dev, "turn on reason(s) (%#x): ", value); | |
1661 | ||
1662 | if (value) { | |
1663 | for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) { | |
1664 | if (value & 1) | |
1665 | printk("\"%s\" ", turn_on_status[i]); | |
1666 | value = value >> 1; | |
1667 | } | |
1668 | printk("\n"); | |
1669 | } else { | |
1670 | printk("None\n"); | |
1671 | } | |
e5c238c3 | 1672 | |
62579266 RV |
1673 | if (plat && plat->init) |
1674 | plat->init(ab8500); | |
abee26cd | 1675 | |
f04a9d8a RK |
1676 | if (is_ab9540(ab8500)) { |
1677 | ret = get_register_interruptible(ab8500, AB8500_CHARGER, | |
1678 | AB8500_CH_USBCH_STAT1_REG, &value); | |
1679 | if (ret < 0) | |
1680 | return ret; | |
1681 | if ((value & VBUS_DET_DBNC1) && (value & VBUS_DET_DBNC100)) | |
1682 | ab8500_override_turn_on_stat(~AB8500_POW_KEY_1_ON, | |
1683 | AB8500_VBUS_DET); | |
1684 | } | |
62579266 RV |
1685 | |
1686 | /* Clear and mask all interrupts */ | |
2ced445e | 1687 | for (i = 0; i < ab8500->mask_size; i++) { |
0f620837 LW |
1688 | /* |
1689 | * Interrupt register 12 doesn't exist prior to AB8500 version | |
1690 | * 2.0 | |
1691 | */ | |
1692 | if (ab8500->irq_reg_offset[i] == 11 && | |
1693 | is_ab8500_1p1_or_earlier(ab8500)) | |
92d50a41 | 1694 | continue; |
62579266 | 1695 | |
3e1a498f LJ |
1696 | if (ab8500->irq_reg_offset[i] < 0) |
1697 | continue; | |
1698 | ||
47c16975 | 1699 | get_register_interruptible(ab8500, AB8500_INTERRUPT, |
2ced445e | 1700 | AB8500_IT_LATCH1_REG + ab8500->irq_reg_offset[i], |
92d50a41 | 1701 | &value); |
47c16975 | 1702 | set_register_interruptible(ab8500, AB8500_INTERRUPT, |
2ced445e | 1703 | AB8500_IT_MASK1_REG + ab8500->irq_reg_offset[i], 0xff); |
62579266 RV |
1704 | } |
1705 | ||
47c16975 MW |
1706 | ret = abx500_register_ops(ab8500->dev, &ab8500_ops); |
1707 | if (ret) | |
8c4203cb | 1708 | return ret; |
47c16975 | 1709 | |
2ced445e | 1710 | for (i = 0; i < ab8500->mask_size; i++) |
62579266 RV |
1711 | ab8500->mask[i] = ab8500->oldmask[i] = 0xff; |
1712 | ||
06e589ef LJ |
1713 | ret = ab8500_irq_init(ab8500, np); |
1714 | if (ret) | |
8c4203cb | 1715 | return ret; |
62579266 | 1716 | |
f348fefd DS |
1717 | ret = devm_request_threaded_irq(&pdev->dev, ab8500->irq, NULL, |
1718 | ab8500_hierarchical_irq, | |
1719 | IRQF_ONESHOT | IRQF_NO_SUSPEND, | |
1720 | "ab8500", ab8500); | |
1721 | if (ret) | |
1722 | return ret; | |
62579266 | 1723 | |
6999181e LW |
1724 | #if CONFIG_DEBUG_FS |
1725 | /* Pass to debugfs */ | |
1726 | ab8500_debug_resources[0].start = ab8500->irq; | |
1727 | ab8500_debug_resources[0].end = ab8500->irq; | |
1728 | #endif | |
1729 | ||
bad76991 LJ |
1730 | if (is_ab9540(ab8500)) |
1731 | ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs, | |
1732 | ARRAY_SIZE(ab9540_devs), NULL, | |
55692af5 | 1733 | ab8500->irq_base, ab8500->domain); |
c0eda9ae LJ |
1734 | else if (is_ab8540(ab8500)) |
1735 | ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs, | |
1736 | ARRAY_SIZE(ab8540_devs), NULL, | |
1737 | ab8500->irq_base, ab8500->domain); | |
1738 | else if (is_ab8505(ab8500)) | |
1739 | ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs, | |
1740 | ARRAY_SIZE(ab8505_devs), NULL, | |
1741 | ab8500->irq_base, ab8500->domain); | |
bad76991 LJ |
1742 | else |
1743 | ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, | |
1744 | ARRAY_SIZE(ab8500_devs), NULL, | |
55692af5 | 1745 | ab8500->irq_base, ab8500->domain); |
bad76991 | 1746 | if (ret) |
8c4203cb | 1747 | return ret; |
44f72e53 | 1748 | |
6ef9418c RA |
1749 | if (!no_bm) { |
1750 | /* Add battery management devices */ | |
1751 | ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs, | |
1752 | ARRAY_SIZE(ab8500_bm_devs), NULL, | |
55692af5 | 1753 | ab8500->irq_base, ab8500->domain); |
6ef9418c RA |
1754 | if (ret) |
1755 | dev_err(ab8500->dev, "error adding bm devices\n"); | |
1756 | } | |
1757 | ||
e436ddff LJ |
1758 | if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && |
1759 | ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) | |
d6255529 LW |
1760 | ret = sysfs_create_group(&ab8500->dev->kobj, |
1761 | &ab9540_attr_group); | |
1762 | else | |
1763 | ret = sysfs_create_group(&ab8500->dev->kobj, | |
1764 | &ab8500_attr_group); | |
93ff722e LJ |
1765 | |
1766 | if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && | |
1767 | ab8500->chip_id >= AB8500_CUT2P0) | |
1768 | ret = sysfs_create_group(&ab8500->dev->kobj, | |
1769 | &ab8505_attr_group); | |
1770 | ||
cca69b67 MW |
1771 | if (ret) |
1772 | dev_err(ab8500->dev, "error creating sysfs entries\n"); | |
06e589ef LJ |
1773 | |
1774 | return ret; | |
62579266 RV |
1775 | } |
1776 | ||
4740f73f | 1777 | static int ab8500_remove(struct platform_device *pdev) |
62579266 | 1778 | { |
d28f1db8 LJ |
1779 | struct ab8500 *ab8500 = platform_get_drvdata(pdev); |
1780 | ||
e436ddff LJ |
1781 | if (((is_ab8505(ab8500) || is_ab9540(ab8500)) && |
1782 | ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500)) | |
d6255529 LW |
1783 | sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group); |
1784 | else | |
1785 | sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group); | |
06e589ef | 1786 | |
93ff722e LJ |
1787 | if ((is_ab8505(ab8500) || is_ab9540(ab8500)) && |
1788 | ab8500->chip_id >= AB8500_CUT2P0) | |
1789 | sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group); | |
1790 | ||
62579266 | 1791 | mfd_remove_devices(ab8500->dev); |
62579266 RV |
1792 | |
1793 | return 0; | |
1794 | } | |
1795 | ||
d28f1db8 LJ |
1796 | static const struct platform_device_id ab8500_id[] = { |
1797 | { "ab8500-core", AB8500_VERSION_AB8500 }, | |
1798 | { "ab8505-i2c", AB8500_VERSION_AB8505 }, | |
1799 | { "ab9540-i2c", AB8500_VERSION_AB9540 }, | |
1800 | { "ab8540-i2c", AB8500_VERSION_AB8540 }, | |
1801 | { } | |
1802 | }; | |
1803 | ||
1804 | static struct platform_driver ab8500_core_driver = { | |
1805 | .driver = { | |
1806 | .name = "ab8500-core", | |
1807 | .owner = THIS_MODULE, | |
1808 | }, | |
1809 | .probe = ab8500_probe, | |
84449216 | 1810 | .remove = ab8500_remove, |
d28f1db8 LJ |
1811 | .id_table = ab8500_id, |
1812 | }; | |
1813 | ||
1814 | static int __init ab8500_core_init(void) | |
1815 | { | |
1816 | return platform_driver_register(&ab8500_core_driver); | |
1817 | } | |
1818 | ||
1819 | static void __exit ab8500_core_exit(void) | |
1820 | { | |
1821 | platform_driver_unregister(&ab8500_core_driver); | |
1822 | } | |
ba7cbc3e | 1823 | core_initcall(ab8500_core_init); |
d28f1db8 LJ |
1824 | module_exit(ab8500_core_exit); |
1825 | ||
adceed62 | 1826 | MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent"); |
62579266 RV |
1827 | MODULE_DESCRIPTION("AB8500 MFD core"); |
1828 | MODULE_LICENSE("GPL v2"); |