Commit | Line | Data |
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f19b2823 MLC |
1 | /* |
2 | * MFD driver for TWL6040 audio device | |
3 | * | |
4 | * Authors: Misael Lopez Cruz <misael.lopez@ti.com> | |
5 | * Jorge Eduardo Candelaria <jorge.candelaria@ti.com> | |
6 | * Peter Ujfalusi <peter.ujfalusi@ti.com> | |
7 | * | |
8 | * Copyright: (C) 2011 Texas Instruments, Inc. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
22 | * 02110-1301 USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #include <linux/module.h> | |
27 | #include <linux/types.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/platform_device.h> | |
31 | #include <linux/gpio.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/i2c/twl.h> | |
34 | #include <linux/mfd/core.h> | |
35 | #include <linux/mfd/twl6040.h> | |
36 | ||
31b402e3 PU |
37 | #define VIBRACTRL_MEMBER(reg) ((reg == TWL6040_REG_VIBCTLL) ? 0 : 1) |
38 | ||
f19b2823 MLC |
39 | int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg) |
40 | { | |
41 | int ret; | |
42 | u8 val = 0; | |
43 | ||
44 | mutex_lock(&twl6040->io_mutex); | |
31b402e3 PU |
45 | /* Vibra control registers from cache */ |
46 | if (unlikely(reg == TWL6040_REG_VIBCTLL || | |
47 | reg == TWL6040_REG_VIBCTLR)) { | |
48 | val = twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)]; | |
49 | } else { | |
50 | ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg); | |
51 | if (ret < 0) { | |
52 | mutex_unlock(&twl6040->io_mutex); | |
53 | return ret; | |
54 | } | |
f19b2823 MLC |
55 | } |
56 | mutex_unlock(&twl6040->io_mutex); | |
57 | ||
58 | return val; | |
59 | } | |
60 | EXPORT_SYMBOL(twl6040_reg_read); | |
61 | ||
62 | int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val) | |
63 | { | |
64 | int ret; | |
65 | ||
66 | mutex_lock(&twl6040->io_mutex); | |
67 | ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg); | |
31b402e3 PU |
68 | /* Cache the vibra control registers */ |
69 | if (reg == TWL6040_REG_VIBCTLL || reg == TWL6040_REG_VIBCTLR) | |
70 | twl6040->vibra_ctrl_cache[VIBRACTRL_MEMBER(reg)] = val; | |
f19b2823 MLC |
71 | mutex_unlock(&twl6040->io_mutex); |
72 | ||
73 | return ret; | |
74 | } | |
75 | EXPORT_SYMBOL(twl6040_reg_write); | |
76 | ||
77 | int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask) | |
78 | { | |
79 | int ret; | |
80 | u8 val; | |
81 | ||
82 | mutex_lock(&twl6040->io_mutex); | |
83 | ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg); | |
84 | if (ret) | |
85 | goto out; | |
86 | ||
87 | val |= mask; | |
88 | ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg); | |
89 | out: | |
90 | mutex_unlock(&twl6040->io_mutex); | |
91 | return ret; | |
92 | } | |
93 | EXPORT_SYMBOL(twl6040_set_bits); | |
94 | ||
95 | int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask) | |
96 | { | |
97 | int ret; | |
98 | u8 val; | |
99 | ||
100 | mutex_lock(&twl6040->io_mutex); | |
101 | ret = twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &val, reg); | |
102 | if (ret) | |
103 | goto out; | |
104 | ||
105 | val &= ~mask; | |
106 | ret = twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, val, reg); | |
107 | out: | |
108 | mutex_unlock(&twl6040->io_mutex); | |
109 | return ret; | |
110 | } | |
111 | EXPORT_SYMBOL(twl6040_clear_bits); | |
112 | ||
113 | /* twl6040 codec manual power-up sequence */ | |
114 | static int twl6040_power_up(struct twl6040 *twl6040) | |
115 | { | |
116 | u8 ldoctl, ncpctl, lppllctl; | |
117 | int ret; | |
118 | ||
119 | /* enable high-side LDO, reference system and internal oscillator */ | |
120 | ldoctl = TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA; | |
121 | ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
122 | if (ret) | |
123 | return ret; | |
124 | usleep_range(10000, 10500); | |
125 | ||
126 | /* enable negative charge pump */ | |
127 | ncpctl = TWL6040_NCPENA; | |
128 | ret = twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); | |
129 | if (ret) | |
130 | goto ncp_err; | |
131 | usleep_range(1000, 1500); | |
132 | ||
133 | /* enable low-side LDO */ | |
134 | ldoctl |= TWL6040_LSLDOENA; | |
135 | ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
136 | if (ret) | |
137 | goto lsldo_err; | |
138 | usleep_range(1000, 1500); | |
139 | ||
140 | /* enable low-power PLL */ | |
141 | lppllctl = TWL6040_LPLLENA; | |
142 | ret = twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
143 | if (ret) | |
144 | goto lppll_err; | |
145 | usleep_range(5000, 5500); | |
146 | ||
147 | /* disable internal oscillator */ | |
148 | ldoctl &= ~TWL6040_OSCENA; | |
149 | ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
150 | if (ret) | |
151 | goto osc_err; | |
152 | ||
153 | return 0; | |
154 | ||
155 | osc_err: | |
156 | lppllctl &= ~TWL6040_LPLLENA; | |
157 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
158 | lppll_err: | |
159 | ldoctl &= ~TWL6040_LSLDOENA; | |
160 | twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
161 | lsldo_err: | |
162 | ncpctl &= ~TWL6040_NCPENA; | |
163 | twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); | |
164 | ncp_err: | |
165 | ldoctl &= ~(TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA); | |
166 | twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
167 | ||
168 | return ret; | |
169 | } | |
170 | ||
171 | /* twl6040 manual power-down sequence */ | |
172 | static void twl6040_power_down(struct twl6040 *twl6040) | |
173 | { | |
174 | u8 ncpctl, ldoctl, lppllctl; | |
175 | ||
176 | ncpctl = twl6040_reg_read(twl6040, TWL6040_REG_NCPCTL); | |
177 | ldoctl = twl6040_reg_read(twl6040, TWL6040_REG_LDOCTL); | |
178 | lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL); | |
179 | ||
180 | /* enable internal oscillator */ | |
181 | ldoctl |= TWL6040_OSCENA; | |
182 | twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
183 | usleep_range(1000, 1500); | |
184 | ||
185 | /* disable low-power PLL */ | |
186 | lppllctl &= ~TWL6040_LPLLENA; | |
187 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
188 | ||
189 | /* disable low-side LDO */ | |
190 | ldoctl &= ~TWL6040_LSLDOENA; | |
191 | twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
192 | ||
193 | /* disable negative charge pump */ | |
194 | ncpctl &= ~TWL6040_NCPENA; | |
195 | twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); | |
196 | ||
197 | /* disable high-side LDO, reference system and internal oscillator */ | |
198 | ldoctl &= ~(TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA); | |
199 | twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); | |
200 | } | |
201 | ||
202 | static irqreturn_t twl6040_naudint_handler(int irq, void *data) | |
203 | { | |
204 | struct twl6040 *twl6040 = data; | |
205 | u8 intid, status; | |
206 | ||
207 | intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID); | |
208 | ||
209 | if (intid & TWL6040_READYINT) | |
210 | complete(&twl6040->ready); | |
211 | ||
212 | if (intid & TWL6040_THINT) { | |
213 | status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); | |
214 | if (status & TWL6040_TSHUTDET) { | |
2d7c957e | 215 | dev_warn(twl6040->dev, |
f19b2823 MLC |
216 | "Thermal shutdown, powering-off"); |
217 | twl6040_power(twl6040, 0); | |
218 | } else { | |
2d7c957e | 219 | dev_warn(twl6040->dev, |
f19b2823 MLC |
220 | "Leaving thermal shutdown, powering-on"); |
221 | twl6040_power(twl6040, 1); | |
222 | } | |
223 | } | |
224 | ||
225 | return IRQ_HANDLED; | |
226 | } | |
227 | ||
228 | static int twl6040_power_up_completion(struct twl6040 *twl6040, | |
229 | int naudint) | |
230 | { | |
231 | int time_left; | |
232 | u8 intid; | |
233 | ||
234 | time_left = wait_for_completion_timeout(&twl6040->ready, | |
235 | msecs_to_jiffies(144)); | |
236 | if (!time_left) { | |
237 | intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID); | |
238 | if (!(intid & TWL6040_READYINT)) { | |
2d7c957e | 239 | dev_err(twl6040->dev, |
f19b2823 MLC |
240 | "timeout waiting for READYINT\n"); |
241 | return -ETIMEDOUT; | |
242 | } | |
243 | } | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | int twl6040_power(struct twl6040 *twl6040, int on) | |
249 | { | |
250 | int audpwron = twl6040->audpwron; | |
251 | int naudint = twl6040->irq; | |
252 | int ret = 0; | |
253 | ||
254 | mutex_lock(&twl6040->mutex); | |
255 | ||
256 | if (on) { | |
257 | /* already powered-up */ | |
258 | if (twl6040->power_count++) | |
259 | goto out; | |
260 | ||
261 | if (gpio_is_valid(audpwron)) { | |
262 | /* use AUDPWRON line */ | |
263 | gpio_set_value(audpwron, 1); | |
264 | /* wait for power-up completion */ | |
265 | ret = twl6040_power_up_completion(twl6040, naudint); | |
266 | if (ret) { | |
2d7c957e | 267 | dev_err(twl6040->dev, |
f19b2823 MLC |
268 | "automatic power-down failed\n"); |
269 | twl6040->power_count = 0; | |
270 | goto out; | |
271 | } | |
272 | } else { | |
273 | /* use manual power-up sequence */ | |
274 | ret = twl6040_power_up(twl6040); | |
275 | if (ret) { | |
2d7c957e | 276 | dev_err(twl6040->dev, |
f19b2823 MLC |
277 | "manual power-up failed\n"); |
278 | twl6040->power_count = 0; | |
279 | goto out; | |
280 | } | |
281 | } | |
cfb7a33b PU |
282 | /* Default PLL configuration after power up */ |
283 | twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL; | |
f19b2823 MLC |
284 | twl6040->sysclk = 19200000; |
285 | } else { | |
286 | /* already powered-down */ | |
287 | if (!twl6040->power_count) { | |
2d7c957e | 288 | dev_err(twl6040->dev, |
f19b2823 MLC |
289 | "device is already powered-off\n"); |
290 | ret = -EPERM; | |
291 | goto out; | |
292 | } | |
293 | ||
294 | if (--twl6040->power_count) | |
295 | goto out; | |
296 | ||
297 | if (gpio_is_valid(audpwron)) { | |
298 | /* use AUDPWRON line */ | |
299 | gpio_set_value(audpwron, 0); | |
300 | ||
301 | /* power-down sequence latency */ | |
302 | usleep_range(500, 700); | |
303 | } else { | |
304 | /* use manual power-down sequence */ | |
305 | twl6040_power_down(twl6040); | |
306 | } | |
f19b2823 MLC |
307 | twl6040->sysclk = 0; |
308 | } | |
309 | ||
310 | out: | |
311 | mutex_unlock(&twl6040->mutex); | |
312 | return ret; | |
313 | } | |
314 | EXPORT_SYMBOL(twl6040_power); | |
315 | ||
cfb7a33b | 316 | int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, |
f19b2823 MLC |
317 | unsigned int freq_in, unsigned int freq_out) |
318 | { | |
319 | u8 hppllctl, lppllctl; | |
320 | int ret = 0; | |
321 | ||
322 | mutex_lock(&twl6040->mutex); | |
323 | ||
324 | hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL); | |
325 | lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL); | |
326 | ||
cfb7a33b PU |
327 | switch (pll_id) { |
328 | case TWL6040_SYSCLK_SEL_LPPLL: | |
f19b2823 MLC |
329 | /* low-power PLL divider */ |
330 | switch (freq_out) { | |
331 | case 17640000: | |
332 | lppllctl |= TWL6040_LPLLFIN; | |
333 | break; | |
334 | case 19200000: | |
335 | lppllctl &= ~TWL6040_LPLLFIN; | |
336 | break; | |
337 | default: | |
2d7c957e | 338 | dev_err(twl6040->dev, |
f19b2823 MLC |
339 | "freq_out %d not supported\n", freq_out); |
340 | ret = -EINVAL; | |
341 | goto pll_out; | |
342 | } | |
343 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
344 | ||
345 | switch (freq_in) { | |
346 | case 32768: | |
347 | lppllctl |= TWL6040_LPLLENA; | |
348 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, | |
349 | lppllctl); | |
350 | mdelay(5); | |
351 | lppllctl &= ~TWL6040_HPLLSEL; | |
352 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, | |
353 | lppllctl); | |
354 | hppllctl &= ~TWL6040_HPLLENA; | |
355 | twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, | |
356 | hppllctl); | |
357 | break; | |
358 | default: | |
2d7c957e | 359 | dev_err(twl6040->dev, |
f19b2823 MLC |
360 | "freq_in %d not supported\n", freq_in); |
361 | ret = -EINVAL; | |
362 | goto pll_out; | |
363 | } | |
f19b2823 | 364 | break; |
cfb7a33b | 365 | case TWL6040_SYSCLK_SEL_HPPLL: |
f19b2823 MLC |
366 | /* high-performance PLL can provide only 19.2 MHz */ |
367 | if (freq_out != 19200000) { | |
2d7c957e | 368 | dev_err(twl6040->dev, |
f19b2823 MLC |
369 | "freq_out %d not supported\n", freq_out); |
370 | ret = -EINVAL; | |
371 | goto pll_out; | |
372 | } | |
373 | ||
374 | hppllctl &= ~TWL6040_MCLK_MSK; | |
375 | ||
376 | switch (freq_in) { | |
377 | case 12000000: | |
378 | /* PLL enabled, active mode */ | |
379 | hppllctl |= TWL6040_MCLK_12000KHZ | | |
380 | TWL6040_HPLLENA; | |
381 | break; | |
382 | case 19200000: | |
383 | /* | |
384 | * PLL disabled | |
385 | * (enable PLL if MCLK jitter quality | |
386 | * doesn't meet specification) | |
387 | */ | |
388 | hppllctl |= TWL6040_MCLK_19200KHZ; | |
389 | break; | |
390 | case 26000000: | |
391 | /* PLL enabled, active mode */ | |
392 | hppllctl |= TWL6040_MCLK_26000KHZ | | |
393 | TWL6040_HPLLENA; | |
394 | break; | |
395 | case 38400000: | |
396 | /* PLL enabled, active mode */ | |
397 | hppllctl |= TWL6040_MCLK_38400KHZ | | |
398 | TWL6040_HPLLENA; | |
399 | break; | |
400 | default: | |
2d7c957e | 401 | dev_err(twl6040->dev, |
f19b2823 MLC |
402 | "freq_in %d not supported\n", freq_in); |
403 | ret = -EINVAL; | |
404 | goto pll_out; | |
405 | } | |
406 | ||
407 | /* enable clock slicer to ensure input waveform is square */ | |
408 | hppllctl |= TWL6040_HPLLSQRENA; | |
409 | ||
410 | twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, hppllctl); | |
411 | usleep_range(500, 700); | |
412 | lppllctl |= TWL6040_HPLLSEL; | |
413 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
414 | lppllctl &= ~TWL6040_LPLLENA; | |
415 | twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); | |
f19b2823 MLC |
416 | break; |
417 | default: | |
2d7c957e | 418 | dev_err(twl6040->dev, "unknown pll id %d\n", pll_id); |
f19b2823 MLC |
419 | ret = -EINVAL; |
420 | goto pll_out; | |
421 | } | |
422 | ||
423 | twl6040->sysclk = freq_out; | |
cfb7a33b | 424 | twl6040->pll = pll_id; |
f19b2823 MLC |
425 | |
426 | pll_out: | |
427 | mutex_unlock(&twl6040->mutex); | |
428 | return ret; | |
429 | } | |
430 | EXPORT_SYMBOL(twl6040_set_pll); | |
431 | ||
cfb7a33b | 432 | int twl6040_get_pll(struct twl6040 *twl6040) |
f19b2823 | 433 | { |
cfb7a33b PU |
434 | if (twl6040->power_count) |
435 | return twl6040->pll; | |
436 | else | |
437 | return -ENODEV; | |
f19b2823 MLC |
438 | } |
439 | EXPORT_SYMBOL(twl6040_get_pll); | |
440 | ||
441 | unsigned int twl6040_get_sysclk(struct twl6040 *twl6040) | |
442 | { | |
443 | return twl6040->sysclk; | |
444 | } | |
445 | EXPORT_SYMBOL(twl6040_get_sysclk); | |
446 | ||
70601ec1 PU |
447 | /* Get the combined status of the vibra control register */ |
448 | int twl6040_get_vibralr_status(struct twl6040 *twl6040) | |
449 | { | |
450 | u8 status; | |
451 | ||
452 | status = twl6040->vibra_ctrl_cache[0] | twl6040->vibra_ctrl_cache[1]; | |
453 | status &= (TWL6040_VIBENA | TWL6040_VIBSEL); | |
454 | ||
455 | return status; | |
456 | } | |
457 | EXPORT_SYMBOL(twl6040_get_vibralr_status); | |
458 | ||
0f962ae2 PU |
459 | static struct resource twl6040_vibra_rsrc[] = { |
460 | { | |
461 | .flags = IORESOURCE_IRQ, | |
462 | }, | |
463 | }; | |
464 | ||
465 | static struct resource twl6040_codec_rsrc[] = { | |
466 | { | |
467 | .flags = IORESOURCE_IRQ, | |
468 | }, | |
469 | }; | |
470 | ||
f19b2823 MLC |
471 | static int __devinit twl6040_probe(struct platform_device *pdev) |
472 | { | |
473 | struct twl4030_audio_data *pdata = pdev->dev.platform_data; | |
474 | struct twl6040 *twl6040; | |
475 | struct mfd_cell *cell = NULL; | |
476 | int ret, children = 0; | |
477 | ||
478 | if (!pdata) { | |
479 | dev_err(&pdev->dev, "Platform data is missing\n"); | |
480 | return -EINVAL; | |
481 | } | |
482 | ||
d20e1d21 PU |
483 | /* In order to operate correctly we need valid interrupt config */ |
484 | if (!pdata->naudint_irq || !pdata->irq_base) { | |
485 | dev_err(&pdev->dev, "Invalid IRQ configuration\n"); | |
486 | return -EINVAL; | |
487 | } | |
488 | ||
f19b2823 MLC |
489 | twl6040 = kzalloc(sizeof(struct twl6040), GFP_KERNEL); |
490 | if (!twl6040) | |
491 | return -ENOMEM; | |
492 | ||
493 | platform_set_drvdata(pdev, twl6040); | |
494 | ||
f19b2823 | 495 | twl6040->dev = &pdev->dev; |
f19b2823 MLC |
496 | twl6040->irq = pdata->naudint_irq; |
497 | twl6040->irq_base = pdata->irq_base; | |
498 | ||
499 | mutex_init(&twl6040->mutex); | |
500 | mutex_init(&twl6040->io_mutex); | |
501 | init_completion(&twl6040->ready); | |
502 | ||
503 | twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV); | |
504 | ||
77f63e06 PU |
505 | /* ERRATA: Automatic power-up is not possible in ES1.0 */ |
506 | if (twl6040_get_revid(twl6040) > TWL6040_REV_ES1_0) | |
507 | twl6040->audpwron = pdata->audpwron_gpio; | |
508 | else | |
509 | twl6040->audpwron = -EINVAL; | |
510 | ||
f19b2823 MLC |
511 | if (gpio_is_valid(twl6040->audpwron)) { |
512 | ret = gpio_request(twl6040->audpwron, "audpwron"); | |
513 | if (ret) | |
514 | goto gpio1_err; | |
515 | ||
516 | ret = gpio_direction_output(twl6040->audpwron, 0); | |
517 | if (ret) | |
518 | goto gpio2_err; | |
519 | } | |
520 | ||
d20e1d21 PU |
521 | /* codec interrupt */ |
522 | ret = twl6040_irq_init(twl6040); | |
523 | if (ret) | |
524 | goto gpio2_err; | |
525 | ||
1b7c4725 PU |
526 | ret = request_threaded_irq(twl6040->irq_base + TWL6040_IRQ_READY, |
527 | NULL, twl6040_naudint_handler, 0, | |
528 | "twl6040_irq_ready", twl6040); | |
d20e1d21 PU |
529 | if (ret) { |
530 | dev_err(twl6040->dev, "READY IRQ request failed: %d\n", | |
531 | ret); | |
532 | goto irq_err; | |
f19b2823 MLC |
533 | } |
534 | ||
535 | /* dual-access registers controlled by I2C only */ | |
536 | twl6040_set_bits(twl6040, TWL6040_REG_ACCCTL, TWL6040_I2CSEL); | |
537 | ||
538 | if (pdata->codec) { | |
0f962ae2 PU |
539 | int irq = twl6040->irq_base + TWL6040_IRQ_PLUG; |
540 | ||
f19b2823 MLC |
541 | cell = &twl6040->cells[children]; |
542 | cell->name = "twl6040-codec"; | |
0f962ae2 PU |
543 | twl6040_codec_rsrc[0].start = irq; |
544 | twl6040_codec_rsrc[0].end = irq; | |
545 | cell->resources = twl6040_codec_rsrc; | |
546 | cell->num_resources = ARRAY_SIZE(twl6040_codec_rsrc); | |
6c448637 PU |
547 | cell->platform_data = pdata->codec; |
548 | cell->pdata_size = sizeof(*pdata->codec); | |
f19b2823 MLC |
549 | children++; |
550 | } | |
551 | ||
552 | if (pdata->vibra) { | |
0f962ae2 PU |
553 | int irq = twl6040->irq_base + TWL6040_IRQ_VIB; |
554 | ||
f19b2823 MLC |
555 | cell = &twl6040->cells[children]; |
556 | cell->name = "twl6040-vibra"; | |
0f962ae2 PU |
557 | twl6040_vibra_rsrc[0].start = irq; |
558 | twl6040_vibra_rsrc[0].end = irq; | |
559 | cell->resources = twl6040_vibra_rsrc; | |
560 | cell->num_resources = ARRAY_SIZE(twl6040_vibra_rsrc); | |
561 | ||
f19b2823 MLC |
562 | cell->platform_data = pdata->vibra; |
563 | cell->pdata_size = sizeof(*pdata->vibra); | |
564 | children++; | |
565 | } | |
566 | ||
567 | if (children) { | |
568 | ret = mfd_add_devices(&pdev->dev, pdev->id, twl6040->cells, | |
569 | children, NULL, 0); | |
570 | if (ret) | |
571 | goto mfd_err; | |
572 | } else { | |
573 | dev_err(&pdev->dev, "No platform data found for children\n"); | |
574 | ret = -ENODEV; | |
575 | goto mfd_err; | |
576 | } | |
577 | ||
578 | return 0; | |
579 | ||
580 | mfd_err: | |
1b7c4725 | 581 | free_irq(twl6040->irq_base + TWL6040_IRQ_READY, twl6040); |
f19b2823 | 582 | irq_err: |
d20e1d21 | 583 | twl6040_irq_exit(twl6040); |
f19b2823 MLC |
584 | gpio2_err: |
585 | if (gpio_is_valid(twl6040->audpwron)) | |
586 | gpio_free(twl6040->audpwron); | |
587 | gpio1_err: | |
588 | platform_set_drvdata(pdev, NULL); | |
589 | kfree(twl6040); | |
f19b2823 MLC |
590 | return ret; |
591 | } | |
592 | ||
593 | static int __devexit twl6040_remove(struct platform_device *pdev) | |
594 | { | |
595 | struct twl6040 *twl6040 = platform_get_drvdata(pdev); | |
596 | ||
597 | if (twl6040->power_count) | |
598 | twl6040_power(twl6040, 0); | |
599 | ||
600 | if (gpio_is_valid(twl6040->audpwron)) | |
601 | gpio_free(twl6040->audpwron); | |
602 | ||
1b7c4725 | 603 | free_irq(twl6040->irq_base + TWL6040_IRQ_READY, twl6040); |
d20e1d21 | 604 | twl6040_irq_exit(twl6040); |
f19b2823 MLC |
605 | |
606 | mfd_remove_devices(&pdev->dev); | |
607 | platform_set_drvdata(pdev, NULL); | |
608 | kfree(twl6040); | |
f19b2823 MLC |
609 | |
610 | return 0; | |
611 | } | |
612 | ||
613 | static struct platform_driver twl6040_driver = { | |
614 | .probe = twl6040_probe, | |
615 | .remove = __devexit_p(twl6040_remove), | |
616 | .driver = { | |
617 | .owner = THIS_MODULE, | |
618 | .name = "twl6040", | |
619 | }, | |
620 | }; | |
621 | ||
65349d60 | 622 | module_platform_driver(twl6040_driver); |
f19b2823 MLC |
623 | |
624 | MODULE_DESCRIPTION("TWL6040 MFD"); | |
625 | MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); | |
626 | MODULE_AUTHOR("Jorge Eduardo Candelaria <jorge.candelaria@ti.com>"); | |
627 | MODULE_LICENSE("GPL"); | |
628 | MODULE_ALIAS("platform:twl6040"); |