1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // rt1015.c -- RT1015 ALSA SoC audio amplifier driver
4 //
5 // Copyright 2019 Realtek Semiconductor Corp.
6 //
7 // Author: Jack Yu <jack.yu@realtek.com>
8 //
9 //
10
11 #include <linux/acpi.h>
12 #include <linux/delay.h>
13 #include <linux/firmware.h>
14 #include <linux/fs.h>
15 #include <linux/gpio.h>
16 #include <linux/i2c.h>
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/platform_device.h>
21 #include <linux/pm.h>
22 #include <linux/regmap.h>
23 #include <sound/core.h>
24 #include <sound/initval.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/rt1015.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/soc.h>
30 #include <sound/tlv.h>
31
32 #include "rl6231.h"
33 #include "rt1015.h"
34
35 static const struct rt1015_platform_data i2s_default_platform_data = {
36 .power_up_delay_ms = 50,
37 };
38
39 static const struct reg_default rt1015_reg[] = {
40 { 0x0000, 0x0000 },
41 { 0x0004, 0xa000 },
42 { 0x0006, 0x0003 },
43 { 0x000a, 0x081e },
44 { 0x000c, 0x0006 },
45 { 0x000e, 0x0000 },
46 { 0x0010, 0x0000 },
47 { 0x0012, 0x0000 },
48 { 0x0014, 0x0000 },
49 { 0x0016, 0x0000 },
50 { 0x0018, 0x0000 },
51 { 0x0020, 0x8000 },
52 { 0x0022, 0x8043 },
53 { 0x0076, 0x0000 },
54 { 0x0078, 0x0000 },
55 { 0x007a, 0x0002 },
56 { 0x007c, 0x10ec },
57 { 0x007d, 0x1015 },
58 { 0x00f0, 0x5000 },
59 { 0x00f2, 0x004c },
60 { 0x00f3, 0xecfe },
61 { 0x00f4, 0x0000 },
62 { 0x00f6, 0x0400 },
63 { 0x0100, 0x0028 },
64 { 0x0102, 0xff02 },
65 { 0x0104, 0xa213 },
66 { 0x0106, 0x200c },
67 { 0x010c, 0x0000 },
68 { 0x010e, 0x0058 },
69 { 0x0111, 0x0200 },
70 { 0x0112, 0x0400 },
71 { 0x0114, 0x0022 },
72 { 0x0116, 0x0000 },
73 { 0x0118, 0x0000 },
74 { 0x011a, 0x0123 },
75 { 0x011c, 0x4567 },
76 { 0x0300, 0x203d },
77 { 0x0302, 0x001e },
78 { 0x0311, 0x0000 },
79 { 0x0313, 0x6014 },
80 { 0x0314, 0x00a2 },
81 { 0x031a, 0x00a0 },
82 { 0x031c, 0x001f },
83 { 0x031d, 0xffff },
84 { 0x031e, 0x0000 },
85 { 0x031f, 0x0000 },
86 { 0x0320, 0x0000 },
87 { 0x0321, 0x0000 },
88 { 0x0322, 0xd7df },
89 { 0x0328, 0x10b2 },
90 { 0x0329, 0x0175 },
91 { 0x032a, 0x36ad },
92 { 0x032b, 0x7e55 },
93 { 0x032c, 0x0520 },
94 { 0x032d, 0xaa00 },
95 { 0x032e, 0x570e },
96 { 0x0330, 0xe180 },
97 { 0x0332, 0x0034 },
98 { 0x0334, 0x0001 },
99 { 0x0336, 0x0010 },
100 { 0x0338, 0x0000 },
101 { 0x04fa, 0x0030 },
102 { 0x04fc, 0x35c8 },
103 { 0x04fe, 0x0800 },
104 { 0x0500, 0x0400 },
105 { 0x0502, 0x1000 },
106 { 0x0504, 0x0000 },
107 { 0x0506, 0x04ff },
108 { 0x0508, 0x0010 },
109 { 0x050a, 0x001a },
110 { 0x0519, 0x1c68 },
111 { 0x051a, 0x0ccc },
112 { 0x051b, 0x0666 },
113 { 0x051d, 0x0000 },
114 { 0x051f, 0x0000 },
115 { 0x0536, 0x061c },
116 { 0x0538, 0x0000 },
117 { 0x053a, 0x0000 },
118 { 0x053c, 0x0000 },
119 { 0x053d, 0x0000 },
120 { 0x053e, 0x0000 },
121 { 0x053f, 0x0000 },
122 { 0x0540, 0x0000 },
123 { 0x0541, 0x0000 },
124 { 0x0542, 0x0000 },
125 { 0x0543, 0x0000 },
126 { 0x0544, 0x0000 },
127 { 0x0568, 0x0000 },
128 { 0x056a, 0x0000 },
129 { 0x1000, 0x0040 },
130 { 0x1002, 0x5405 },
131 { 0x1006, 0x5515 },
132 { 0x1007, 0x05f7 },
133 { 0x1009, 0x0b0a },
134 { 0x100a, 0x00ef },
135 { 0x100d, 0x0003 },
136 { 0x1010, 0xa433 },
137 { 0x1020, 0x0000 },
138 { 0x1200, 0x5a01 },
139 { 0x1202, 0x6524 },
140 { 0x1204, 0x1f00 },
141 { 0x1206, 0x0000 },
142 { 0x1208, 0x0000 },
143 { 0x120a, 0x0000 },
144 { 0x120c, 0x0000 },
145 { 0x120e, 0x0000 },
146 { 0x1210, 0x0000 },
147 { 0x1212, 0x0000 },
148 { 0x1300, 0x10a1 },
149 { 0x1302, 0x12ff },
150 { 0x1304, 0x0400 },
151 { 0x1305, 0x0844 },
152 { 0x1306, 0x4611 },
153 { 0x1308, 0x555e },
154 { 0x130a, 0x0000 },
155 { 0x130c, 0x2000 },
156 { 0x130e, 0x0100 },
157 { 0x130f, 0x0001 },
158 { 0x1310, 0x0000 },
159 { 0x1312, 0x0000 },
160 { 0x1314, 0x0000 },
161 { 0x1316, 0x0000 },
162 { 0x1318, 0x0000 },
163 { 0x131a, 0x0000 },
164 { 0x1322, 0x0029 },
165 { 0x1323, 0x4a52 },
166 { 0x1324, 0x002c },
167 { 0x1325, 0x0b02 },
168 { 0x1326, 0x002d },
169 { 0x1327, 0x6b5a },
170 { 0x1328, 0x002e },
171 { 0x1329, 0xcbb2 },
172 { 0x132a, 0x0030 },
173 { 0x132b, 0x2c0b },
174 { 0x1330, 0x0031 },
175 { 0x1331, 0x8c63 },
176 { 0x1332, 0x0032 },
177 { 0x1333, 0xecbb },
178 { 0x1334, 0x0034 },
179 { 0x1335, 0x4d13 },
180 { 0x1336, 0x0037 },
181 { 0x1337, 0x0dc3 },
182 { 0x1338, 0x003d },
183 { 0x1339, 0xef7b },
184 { 0x133a, 0x0044 },
185 { 0x133b, 0xd134 },
186 { 0x133c, 0x0047 },
187 { 0x133d, 0x91e4 },
188 { 0x133e, 0x004d },
189 { 0x133f, 0xc370 },
190 { 0x1340, 0x0053 },
191 { 0x1341, 0xf4fd },
192 { 0x1342, 0x0060 },
193 { 0x1343, 0x5816 },
194 { 0x1344, 0x006c },
195 { 0x1345, 0xbb2e },
196 { 0x1346, 0x0072 },
197 { 0x1347, 0xecbb },
198 { 0x1348, 0x0076 },
199 { 0x1349, 0x5d97 },
200 };
201
rt1015_volatile_register(struct device * dev,unsigned int reg)202 static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
203 {
204 switch (reg) {
205 case RT1015_RESET:
206 case RT1015_CLK_DET:
207 case RT1015_SIL_DET:
208 case RT1015_VER_ID:
209 case RT1015_VENDOR_ID:
210 case RT1015_DEVICE_ID:
211 case RT1015_PRO_ALT:
212 case RT1015_MAN_I2C:
213 case RT1015_DAC3:
214 case RT1015_VBAT_TEST_OUT1:
215 case RT1015_VBAT_TEST_OUT2:
216 case RT1015_VBAT_PROT_ATT:
217 case RT1015_VBAT_DET_CODE:
218 case RT1015_SMART_BST_CTRL1:
219 case RT1015_SPK_DC_DETECT1:
220 case RT1015_SPK_DC_DETECT4:
221 case RT1015_SPK_DC_DETECT5:
222 case RT1015_DC_CALIB_CLSD1:
223 case RT1015_DC_CALIB_CLSD5:
224 case RT1015_DC_CALIB_CLSD6:
225 case RT1015_DC_CALIB_CLSD7:
226 case RT1015_DC_CALIB_CLSD8:
227 case RT1015_S_BST_TIMING_INTER1:
228 case RT1015_OSCK_STA:
229 case RT1015_MONO_DYNA_CTRL1:
230 case RT1015_MONO_DYNA_CTRL5:
231 return true;
232
233 default:
234 return false;
235 }
236 }
237
rt1015_readable_register(struct device * dev,unsigned int reg)238 static bool rt1015_readable_register(struct device *dev, unsigned int reg)
239 {
240 switch (reg) {
241 case RT1015_RESET:
242 case RT1015_CLK2:
243 case RT1015_CLK3:
244 case RT1015_PLL1:
245 case RT1015_PLL2:
246 case RT1015_DUM_RW1:
247 case RT1015_DUM_RW2:
248 case RT1015_DUM_RW3:
249 case RT1015_DUM_RW4:
250 case RT1015_DUM_RW5:
251 case RT1015_DUM_RW6:
252 case RT1015_CLK_DET:
253 case RT1015_SIL_DET:
254 case RT1015_CUSTOMER_ID:
255 case RT1015_PCODE_FWVER:
256 case RT1015_VER_ID:
257 case RT1015_VENDOR_ID:
258 case RT1015_DEVICE_ID:
259 case RT1015_PAD_DRV1:
260 case RT1015_PAD_DRV2:
261 case RT1015_GAT_BOOST:
262 case RT1015_PRO_ALT:
263 case RT1015_OSCK_STA:
264 case RT1015_MAN_I2C:
265 case RT1015_DAC1:
266 case RT1015_DAC2:
267 case RT1015_DAC3:
268 case RT1015_ADC1:
269 case RT1015_ADC2:
270 case RT1015_TDM_MASTER:
271 case RT1015_TDM_TCON:
272 case RT1015_TDM1_1:
273 case RT1015_TDM1_2:
274 case RT1015_TDM1_3:
275 case RT1015_TDM1_4:
276 case RT1015_TDM1_5:
277 case RT1015_MIXER1:
278 case RT1015_MIXER2:
279 case RT1015_ANA_PROTECT1:
280 case RT1015_ANA_CTRL_SEQ1:
281 case RT1015_ANA_CTRL_SEQ2:
282 case RT1015_VBAT_DET_DEB:
283 case RT1015_VBAT_VOLT_DET1:
284 case RT1015_VBAT_VOLT_DET2:
285 case RT1015_VBAT_TEST_OUT1:
286 case RT1015_VBAT_TEST_OUT2:
287 case RT1015_VBAT_PROT_ATT:
288 case RT1015_VBAT_DET_CODE:
289 case RT1015_PWR1:
290 case RT1015_PWR4:
291 case RT1015_PWR5:
292 case RT1015_PWR6:
293 case RT1015_PWR7:
294 case RT1015_PWR8:
295 case RT1015_PWR9:
296 case RT1015_CLASSD_SEQ:
297 case RT1015_SMART_BST_CTRL1:
298 case RT1015_SMART_BST_CTRL2:
299 case RT1015_ANA_CTRL1:
300 case RT1015_ANA_CTRL2:
301 case RT1015_PWR_STATE_CTRL:
302 case RT1015_MONO_DYNA_CTRL:
303 case RT1015_MONO_DYNA_CTRL1:
304 case RT1015_MONO_DYNA_CTRL2:
305 case RT1015_MONO_DYNA_CTRL3:
306 case RT1015_MONO_DYNA_CTRL4:
307 case RT1015_MONO_DYNA_CTRL5:
308 case RT1015_SPK_VOL:
309 case RT1015_SHORT_DETTOP1:
310 case RT1015_SHORT_DETTOP2:
311 case RT1015_SPK_DC_DETECT1:
312 case RT1015_SPK_DC_DETECT2:
313 case RT1015_SPK_DC_DETECT3:
314 case RT1015_SPK_DC_DETECT4:
315 case RT1015_SPK_DC_DETECT5:
316 case RT1015_BAT_RPO_STEP1:
317 case RT1015_BAT_RPO_STEP2:
318 case RT1015_BAT_RPO_STEP3:
319 case RT1015_BAT_RPO_STEP4:
320 case RT1015_BAT_RPO_STEP5:
321 case RT1015_BAT_RPO_STEP6:
322 case RT1015_BAT_RPO_STEP7:
323 case RT1015_BAT_RPO_STEP8:
324 case RT1015_BAT_RPO_STEP9:
325 case RT1015_BAT_RPO_STEP10:
326 case RT1015_BAT_RPO_STEP11:
327 case RT1015_BAT_RPO_STEP12:
328 case RT1015_SPREAD_SPEC1:
329 case RT1015_SPREAD_SPEC2:
330 case RT1015_PAD_STATUS:
331 case RT1015_PADS_PULLING_CTRL1:
332 case RT1015_PADS_DRIVING:
333 case RT1015_SYS_RST1:
334 case RT1015_SYS_RST2:
335 case RT1015_SYS_GATING1:
336 case RT1015_TEST_MODE1:
337 case RT1015_TEST_MODE2:
338 case RT1015_TIMING_CTRL1:
339 case RT1015_PLL_INT:
340 case RT1015_TEST_OUT1:
341 case RT1015_DC_CALIB_CLSD1:
342 case RT1015_DC_CALIB_CLSD2:
343 case RT1015_DC_CALIB_CLSD3:
344 case RT1015_DC_CALIB_CLSD4:
345 case RT1015_DC_CALIB_CLSD5:
346 case RT1015_DC_CALIB_CLSD6:
347 case RT1015_DC_CALIB_CLSD7:
348 case RT1015_DC_CALIB_CLSD8:
349 case RT1015_DC_CALIB_CLSD9:
350 case RT1015_DC_CALIB_CLSD10:
351 case RT1015_CLSD_INTERNAL1:
352 case RT1015_CLSD_INTERNAL2:
353 case RT1015_CLSD_INTERNAL3:
354 case RT1015_CLSD_INTERNAL4:
355 case RT1015_CLSD_INTERNAL5:
356 case RT1015_CLSD_INTERNAL6:
357 case RT1015_CLSD_INTERNAL7:
358 case RT1015_CLSD_INTERNAL8:
359 case RT1015_CLSD_INTERNAL9:
360 case RT1015_CLSD_OCP_CTRL:
361 case RT1015_VREF_LV:
362 case RT1015_MBIAS1:
363 case RT1015_MBIAS2:
364 case RT1015_MBIAS3:
365 case RT1015_MBIAS4:
366 case RT1015_VREF_LV1:
367 case RT1015_S_BST_TIMING_INTER1:
368 case RT1015_S_BST_TIMING_INTER2:
369 case RT1015_S_BST_TIMING_INTER3:
370 case RT1015_S_BST_TIMING_INTER4:
371 case RT1015_S_BST_TIMING_INTER5:
372 case RT1015_S_BST_TIMING_INTER6:
373 case RT1015_S_BST_TIMING_INTER7:
374 case RT1015_S_BST_TIMING_INTER8:
375 case RT1015_S_BST_TIMING_INTER9:
376 case RT1015_S_BST_TIMING_INTER10:
377 case RT1015_S_BST_TIMING_INTER11:
378 case RT1015_S_BST_TIMING_INTER12:
379 case RT1015_S_BST_TIMING_INTER13:
380 case RT1015_S_BST_TIMING_INTER14:
381 case RT1015_S_BST_TIMING_INTER15:
382 case RT1015_S_BST_TIMING_INTER16:
383 case RT1015_S_BST_TIMING_INTER17:
384 case RT1015_S_BST_TIMING_INTER18:
385 case RT1015_S_BST_TIMING_INTER19:
386 case RT1015_S_BST_TIMING_INTER20:
387 case RT1015_S_BST_TIMING_INTER21:
388 case RT1015_S_BST_TIMING_INTER22:
389 case RT1015_S_BST_TIMING_INTER23:
390 case RT1015_S_BST_TIMING_INTER24:
391 case RT1015_S_BST_TIMING_INTER25:
392 case RT1015_S_BST_TIMING_INTER26:
393 case RT1015_S_BST_TIMING_INTER27:
394 case RT1015_S_BST_TIMING_INTER28:
395 case RT1015_S_BST_TIMING_INTER29:
396 case RT1015_S_BST_TIMING_INTER30:
397 case RT1015_S_BST_TIMING_INTER31:
398 case RT1015_S_BST_TIMING_INTER32:
399 case RT1015_S_BST_TIMING_INTER33:
400 case RT1015_S_BST_TIMING_INTER34:
401 case RT1015_S_BST_TIMING_INTER35:
402 case RT1015_S_BST_TIMING_INTER36:
403 return true;
404
405 default:
406 return false;
407 }
408 }
409
410 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
411
412 static const char * const rt1015_din_source_select[] = {
413 "Left",
414 "Right",
415 "Left + Right average",
416 };
417
418 static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
419 rt1015_din_source_select);
420
421 static const char * const rt1015_boost_mode[] = {
422 "Bypass", "Adaptive", "Fixed Adaptive"
423 };
424
425 static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
426 rt1015_boost_mode);
427
rt1015_boost_mode_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)428 static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
429 struct snd_ctl_elem_value *ucontrol)
430 {
431 struct snd_soc_component *component =
432 snd_soc_kcontrol_component(kcontrol);
433 struct rt1015_priv *rt1015 =
434 snd_soc_component_get_drvdata(component);
435
436 ucontrol->value.integer.value[0] = rt1015->boost_mode;
437
438 return 0;
439 }
440
rt1015_boost_mode_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)441 static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
442 struct snd_ctl_elem_value *ucontrol)
443 {
444 struct snd_soc_component *component =
445 snd_soc_kcontrol_component(kcontrol);
446 struct rt1015_priv *rt1015 =
447 snd_soc_component_get_drvdata(component);
448 int boost_mode = ucontrol->value.integer.value[0];
449
450 switch (boost_mode) {
451 case BYPASS:
452 snd_soc_component_update_bits(component,
453 RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
454 RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
455 RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
456 RT1015_BYPASS_SWRREG_BYPASS);
457 break;
458 case ADAPTIVE:
459 snd_soc_component_update_bits(component,
460 RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
461 RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
462 RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
463 RT1015_BYPASS_SWRREG_PASS);
464 break;
465 case FIXED_ADAPTIVE:
466 snd_soc_component_update_bits(component,
467 RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
468 RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
469 RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
470 RT1015_BYPASS_SWRREG_PASS);
471 break;
472 default:
473 dev_err(component->dev, "Unknown boost control.\n");
474 return -EINVAL;
475 }
476
477 rt1015->boost_mode = boost_mode;
478
479 return 0;
480 }
481
rt1015_bypass_boost_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)482 static int rt1015_bypass_boost_get(struct snd_kcontrol *kcontrol,
483 struct snd_ctl_elem_value *ucontrol)
484 {
485 struct snd_soc_component *component =
486 snd_soc_kcontrol_component(kcontrol);
487 struct rt1015_priv *rt1015 =
488 snd_soc_component_get_drvdata(component);
489
490 ucontrol->value.integer.value[0] = rt1015->bypass_boost;
491
492 return 0;
493 }
494
rt1015_calibrate(struct rt1015_priv * rt1015)495 static void rt1015_calibrate(struct rt1015_priv *rt1015)
496 {
497 struct snd_soc_component *component = rt1015->component;
498 struct regmap *regmap = rt1015->regmap;
499
500 snd_soc_dapm_mutex_lock(&component->dapm);
501 regcache_cache_bypass(regmap, true);
502
503 regmap_write(regmap, RT1015_CLK_DET, 0x0000);
504 regmap_write(regmap, RT1015_PWR4, 0x00B2);
505 regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0009);
506 msleep(100);
507 regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000A);
508 msleep(100);
509 regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000C);
510 msleep(100);
511 regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2028);
512 regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140);
513 regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000D);
514 msleep(300);
515 regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0008);
516 regmap_write(regmap, RT1015_SYS_RST1, 0x05F5);
517 regmap_write(regmap, RT1015_CLK_DET, 0x8000);
518
519 regcache_cache_bypass(regmap, false);
520 regcache_mark_dirty(regmap);
521 regcache_sync(regmap);
522 snd_soc_dapm_mutex_unlock(&component->dapm);
523 }
524
rt1015_bypass_boost_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)525 static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527 {
528 struct snd_soc_component *component =
529 snd_soc_kcontrol_component(kcontrol);
530 struct rt1015_priv *rt1015 =
531 snd_soc_component_get_drvdata(component);
532
533 if (rt1015->dac_is_used) {
534 dev_err(component->dev, "DAC is being used!\n");
535 return -EBUSY;
536 }
537
538 rt1015->bypass_boost = ucontrol->value.integer.value[0];
539 if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
540 !rt1015->cali_done) {
541 rt1015_calibrate(rt1015);
542 rt1015->cali_done = 1;
543
544 regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
545 }
546
547 return 0;
548 }
549
550 static const struct snd_kcontrol_new rt1015_snd_controls[] = {
551 SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
552 127, 0, dac_vol_tlv),
553 SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
554 RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
555 SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
556 rt1015_boost_mode_get, rt1015_boost_mode_put),
557 SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
558 SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
559 rt1015_bypass_boost_get, rt1015_bypass_boost_put),
560 };
561
rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)562 static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
563 struct snd_soc_dapm_widget *sink)
564 {
565 struct snd_soc_component *component =
566 snd_soc_dapm_to_component(source->dapm);
567 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
568
569 if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
570 return 1;
571 else
572 return 0;
573 }
574
r1015_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)575 static int r1015_dac_event(struct snd_soc_dapm_widget *w,
576 struct snd_kcontrol *kcontrol, int event)
577 {
578 struct snd_soc_component *component =
579 snd_soc_dapm_to_component(w->dapm);
580 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
581
582 switch (event) {
583 case SND_SOC_DAPM_PRE_PMU:
584 rt1015->dac_is_used = 1;
585 if (rt1015->bypass_boost == RT1015_Enable_Boost) {
586 snd_soc_component_write(component,
587 RT1015_SYS_RST1, 0x05f7);
588 snd_soc_component_write(component,
589 RT1015_SYS_RST2, 0x0b0a);
590 snd_soc_component_write(component,
591 RT1015_GAT_BOOST, 0xacfe);
592 snd_soc_component_write(component,
593 RT1015_PWR9, 0xaa00);
594 snd_soc_component_write(component,
595 RT1015_GAT_BOOST, 0xecfe);
596 } else {
597 snd_soc_component_write(component,
598 0x032d, 0xaa60);
599 snd_soc_component_write(component,
600 RT1015_SYS_RST1, 0x05f7);
601 snd_soc_component_write(component,
602 RT1015_SYS_RST2, 0x0b0a);
603 snd_soc_component_write(component,
604 RT1015_PWR_STATE_CTRL, 0x008e);
605 }
606 break;
607
608 case SND_SOC_DAPM_POST_PMD:
609 if (rt1015->bypass_boost == RT1015_Enable_Boost) {
610 snd_soc_component_write(component,
611 RT1015_PWR9, 0xa800);
612 snd_soc_component_write(component,
613 RT1015_SYS_RST1, 0x05f5);
614 snd_soc_component_write(component,
615 RT1015_SYS_RST2, 0x0b9a);
616 } else {
617 snd_soc_component_write(component,
618 0x032d, 0xaa60);
619 snd_soc_component_write(component,
620 RT1015_PWR_STATE_CTRL, 0x0088);
621 snd_soc_component_write(component,
622 RT1015_SYS_RST1, 0x05f5);
623 snd_soc_component_write(component,
624 RT1015_SYS_RST2, 0x0b9a);
625 }
626 rt1015->dac_is_used = 0;
627 break;
628
629 default:
630 break;
631 }
632 return 0;
633 }
634
rt1015_amp_drv_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)635 static int rt1015_amp_drv_event(struct snd_soc_dapm_widget *w,
636 struct snd_kcontrol *kcontrol, int event)
637 {
638 struct snd_soc_component *component =
639 snd_soc_dapm_to_component(w->dapm);
640 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
641 unsigned int ret, ret2;
642
643 switch (event) {
644 case SND_SOC_DAPM_PRE_PMU:
645 ret = snd_soc_component_read(component, RT1015_CLK_DET);
646 ret2 = snd_soc_component_read(component, RT1015_SPK_DC_DETECT1);
647 if (!((ret >> 15) & 0x1)) {
648 snd_soc_component_update_bits(component, RT1015_CLK_DET,
649 RT1015_EN_BCLK_DET_MASK, RT1015_EN_BCLK_DET);
650 dev_dbg(component->dev, "BCLK Detection Enabled.\n");
651 }
652 if (!((ret2 >> 12) & 0x1)) {
653 snd_soc_component_update_bits(component, RT1015_SPK_DC_DETECT1,
654 RT1015_EN_CLA_D_DC_DET_MASK, RT1015_EN_CLA_D_DC_DET);
655 dev_dbg(component->dev, "Class-D DC Detection Enabled.\n");
656 }
657 break;
658 case SND_SOC_DAPM_POST_PMU:
659 msleep(rt1015->pdata.power_up_delay_ms);
660 break;
661 default:
662 break;
663 }
664 return 0;
665 }
666
667 static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
668 SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
669 NULL, 0),
670 SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
671 SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0,
672 r1015_dac_event, SND_SOC_DAPM_PRE_PMU |
673 SND_SOC_DAPM_POST_PMD),
674 SND_SOC_DAPM_OUT_DRV_E("Amp Drv", SND_SOC_NOPM, 0, 0, NULL, 0,
675 rt1015_amp_drv_event, SND_SOC_DAPM_PRE_PMU |
676 SND_SOC_DAPM_POST_PMU),
677 SND_SOC_DAPM_OUTPUT("SPO"),
678 };
679
680 static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
681 { "DAC", NULL, "AIFRX" },
682 { "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
683 { "Amp Drv", NULL, "DAC" },
684 { "SPO", NULL, "Amp Drv" },
685 };
686
rt1015_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)687 static int rt1015_hw_params(struct snd_pcm_substream *substream,
688 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
689 {
690 struct snd_soc_component *component = dai->component;
691 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
692 int pre_div, frame_size, lrck;
693 unsigned int val_len = 0;
694
695 lrck = params_rate(params);
696 pre_div = rl6231_get_clk_info(rt1015->sysclk, lrck);
697 if (pre_div < 0) {
698 dev_err(component->dev, "Unsupported clock rate\n");
699 return -EINVAL;
700 }
701
702 frame_size = snd_soc_params_to_frame_size(params);
703 if (frame_size < 0) {
704 dev_err(component->dev, "Unsupported frame size: %d\n",
705 frame_size);
706 return -EINVAL;
707 }
708
709 dev_dbg(component->dev, "pre_div is %d for iis %d\n", pre_div, dai->id);
710
711 dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
712 lrck, pre_div, dai->id);
713
714 switch (params_width(params)) {
715 case 16:
716 break;
717 case 20:
718 val_len = RT1015_I2S_DL_20;
719 break;
720 case 24:
721 val_len = RT1015_I2S_DL_24;
722 break;
723 case 8:
724 val_len = RT1015_I2S_DL_8;
725 break;
726 default:
727 return -EINVAL;
728 }
729
730 snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
731 RT1015_I2S_DL_MASK, val_len);
732 snd_soc_component_update_bits(component, RT1015_CLK2,
733 RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
734
735 return 0;
736 }
737
rt1015_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)738 static int rt1015_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
739 {
740 struct snd_soc_component *component = dai->component;
741 unsigned int reg_val = 0, reg_val2 = 0;
742
743 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
744 case SND_SOC_DAIFMT_CBM_CFM:
745 reg_val |= RT1015_TCON_TDM_MS_M;
746 break;
747 case SND_SOC_DAIFMT_CBS_CFS:
748 reg_val |= RT1015_TCON_TDM_MS_S;
749 break;
750 default:
751 return -EINVAL;
752 }
753
754 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
755 case SND_SOC_DAIFMT_NB_NF:
756 break;
757 case SND_SOC_DAIFMT_IB_NF:
758 reg_val2 |= RT1015_TDM_INV_BCLK;
759 break;
760 default:
761 return -EINVAL;
762 }
763
764 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
765 case SND_SOC_DAIFMT_I2S:
766 break;
767
768 case SND_SOC_DAIFMT_LEFT_J:
769 reg_val |= RT1015_I2S_M_DF_LEFT;
770 break;
771
772 case SND_SOC_DAIFMT_DSP_A:
773 reg_val |= RT1015_I2S_M_DF_PCM_A;
774 break;
775
776 case SND_SOC_DAIFMT_DSP_B:
777 reg_val |= RT1015_I2S_M_DF_PCM_B;
778 break;
779
780 default:
781 return -EINVAL;
782 }
783
784 snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
785 RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
786 reg_val);
787 snd_soc_component_update_bits(component, RT1015_TDM1_1,
788 RT1015_TDM_INV_BCLK_MASK, reg_val2);
789
790 return 0;
791 }
792
rt1015_set_component_sysclk(struct snd_soc_component * component,int clk_id,int source,unsigned int freq,int dir)793 static int rt1015_set_component_sysclk(struct snd_soc_component *component,
794 int clk_id, int source, unsigned int freq, int dir)
795 {
796 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
797 unsigned int reg_val = 0;
798
799 if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
800 return 0;
801
802 switch (clk_id) {
803 case RT1015_SCLK_S_MCLK:
804 reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
805 break;
806
807 case RT1015_SCLK_S_PLL:
808 reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
809 break;
810
811 default:
812 dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
813 return -EINVAL;
814 }
815
816 rt1015->sysclk = freq;
817 rt1015->sysclk_src = clk_id;
818
819 dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
820 freq, clk_id);
821
822 snd_soc_component_update_bits(component, RT1015_CLK2,
823 RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
824
825 return 0;
826 }
827
rt1015_set_component_pll(struct snd_soc_component * component,int pll_id,int source,unsigned int freq_in,unsigned int freq_out)828 static int rt1015_set_component_pll(struct snd_soc_component *component,
829 int pll_id, int source, unsigned int freq_in,
830 unsigned int freq_out)
831 {
832 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
833 struct rl6231_pll_code pll_code;
834 int ret;
835
836 if (!freq_in || !freq_out) {
837 dev_dbg(component->dev, "PLL disabled\n");
838
839 rt1015->pll_in = 0;
840 rt1015->pll_out = 0;
841
842 return 0;
843 }
844
845 if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
846 freq_out == rt1015->pll_out)
847 return 0;
848
849 switch (source) {
850 case RT1015_PLL_S_MCLK:
851 snd_soc_component_update_bits(component, RT1015_CLK2,
852 RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
853 break;
854
855 case RT1015_PLL_S_BCLK:
856 snd_soc_component_update_bits(component, RT1015_CLK2,
857 RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
858 break;
859
860 default:
861 dev_err(component->dev, "Unknown PLL Source %d\n", source);
862 return -EINVAL;
863 }
864
865 ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
866 if (ret < 0) {
867 dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
868 return ret;
869 }
870
871 dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
872 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
873 pll_code.n_code, pll_code.k_code);
874
875 snd_soc_component_write(component, RT1015_PLL1,
876 ((pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT) |
877 (pll_code.m_bp << RT1015_PLL_M_BP_SFT) |
878 pll_code.n_code);
879 snd_soc_component_write(component, RT1015_PLL2,
880 pll_code.k_code);
881
882 rt1015->pll_in = freq_in;
883 rt1015->pll_out = freq_out;
884 rt1015->pll_src = source;
885
886 return 0;
887 }
888
rt1015_set_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)889 static int rt1015_set_tdm_slot(struct snd_soc_dai *dai,
890 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
891 {
892 struct snd_soc_component *component = dai->component;
893 unsigned int val = 0, rx_slotnum, tx_slotnum;
894 int ret = 0, first_bit;
895
896 switch (slots) {
897 case 2:
898 val |= RT1015_I2S_TX_2CH;
899 break;
900 case 4:
901 val |= RT1015_I2S_TX_4CH;
902 break;
903 case 6:
904 val |= RT1015_I2S_TX_6CH;
905 break;
906 case 8:
907 val |= RT1015_I2S_TX_8CH;
908 break;
909 default:
910 ret = -EINVAL;
911 goto _set_tdm_err_;
912 }
913
914 switch (slot_width) {
915 case 16:
916 val |= RT1015_I2S_CH_TX_LEN_16B;
917 break;
918 case 20:
919 val |= RT1015_I2S_CH_TX_LEN_20B;
920 break;
921 case 24:
922 val |= RT1015_I2S_CH_TX_LEN_24B;
923 break;
924 case 32:
925 val |= RT1015_I2S_CH_TX_LEN_32B;
926 break;
927 default:
928 ret = -EINVAL;
929 goto _set_tdm_err_;
930 }
931
932 /* Rx slot configuration */
933 rx_slotnum = hweight_long(rx_mask);
934 if (rx_slotnum != 1) {
935 ret = -EINVAL;
936 dev_err(component->dev, "too many rx slots or zero slot\n");
937 goto _set_tdm_err_;
938 }
939
940 /* This is an assumption that the system sends stereo audio to the amplifier typically.
941 * And the stereo audio is placed in slot 0/2/4/6 as the starting slot.
942 * The users could select the channel from L/R/L+R by "Mono LR Select" control.
943 */
944 first_bit = __ffs(rx_mask);
945 switch (first_bit) {
946 case 0:
947 case 2:
948 case 4:
949 case 6:
950 snd_soc_component_update_bits(component,
951 RT1015_TDM1_4,
952 RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
953 RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
954 (first_bit << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
955 ((first_bit+1) << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
956 break;
957 case 1:
958 case 3:
959 case 5:
960 case 7:
961 snd_soc_component_update_bits(component,
962 RT1015_TDM1_4,
963 RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
964 RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
965 ((first_bit-1) << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
966 (first_bit << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
967 break;
968 default:
969 ret = -EINVAL;
970 goto _set_tdm_err_;
971 }
972
973 /* Tx slot configuration */
974 tx_slotnum = hweight_long(tx_mask);
975 if (tx_slotnum) {
976 ret = -EINVAL;
977 dev_err(component->dev, "doesn't need to support tx slots\n");
978 goto _set_tdm_err_;
979 }
980
981 snd_soc_component_update_bits(component, RT1015_TDM1_1,
982 RT1015_I2S_CH_TX_MASK | RT1015_I2S_CH_RX_MASK |
983 RT1015_I2S_CH_TX_LEN_MASK | RT1015_I2S_CH_RX_LEN_MASK, val);
984
985 _set_tdm_err_:
986 return ret;
987 }
988
rt1015_probe(struct snd_soc_component * component)989 static int rt1015_probe(struct snd_soc_component *component)
990 {
991 struct rt1015_priv *rt1015 =
992 snd_soc_component_get_drvdata(component);
993
994 rt1015->component = component;
995
996 return 0;
997 }
998
rt1015_remove(struct snd_soc_component * component)999 static void rt1015_remove(struct snd_soc_component *component)
1000 {
1001 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1002
1003 regmap_write(rt1015->regmap, RT1015_RESET, 0);
1004 }
1005
1006 #define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1007 #define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1008 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1009
1010 static const struct snd_soc_dai_ops rt1015_aif_dai_ops = {
1011 .hw_params = rt1015_hw_params,
1012 .set_fmt = rt1015_set_dai_fmt,
1013 .set_tdm_slot = rt1015_set_tdm_slot,
1014 };
1015
1016 static struct snd_soc_dai_driver rt1015_dai[] = {
1017 {
1018 .name = "rt1015-aif",
1019 .id = 0,
1020 .playback = {
1021 .stream_name = "AIF Playback",
1022 .channels_min = 1,
1023 .channels_max = 4,
1024 .rates = RT1015_STEREO_RATES,
1025 .formats = RT1015_FORMATS,
1026 },
1027 .ops = &rt1015_aif_dai_ops,
1028 }
1029 };
1030
1031 #ifdef CONFIG_PM
rt1015_suspend(struct snd_soc_component * component)1032 static int rt1015_suspend(struct snd_soc_component *component)
1033 {
1034 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1035
1036 regcache_cache_only(rt1015->regmap, true);
1037 regcache_mark_dirty(rt1015->regmap);
1038
1039 return 0;
1040 }
1041
rt1015_resume(struct snd_soc_component * component)1042 static int rt1015_resume(struct snd_soc_component *component)
1043 {
1044 struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1045
1046 regcache_cache_only(rt1015->regmap, false);
1047 regcache_sync(rt1015->regmap);
1048
1049 if (rt1015->cali_done)
1050 rt1015_calibrate(rt1015);
1051
1052 return 0;
1053 }
1054 #else
1055 #define rt1015_suspend NULL
1056 #define rt1015_resume NULL
1057 #endif
1058
1059 static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
1060 .probe = rt1015_probe,
1061 .remove = rt1015_remove,
1062 .suspend = rt1015_suspend,
1063 .resume = rt1015_resume,
1064 .controls = rt1015_snd_controls,
1065 .num_controls = ARRAY_SIZE(rt1015_snd_controls),
1066 .dapm_widgets = rt1015_dapm_widgets,
1067 .num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
1068 .dapm_routes = rt1015_dapm_routes,
1069 .num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
1070 .set_sysclk = rt1015_set_component_sysclk,
1071 .set_pll = rt1015_set_component_pll,
1072 .use_pmdown_time = 1,
1073 .endianness = 1,
1074 };
1075
1076 static const struct regmap_config rt1015_regmap = {
1077 .reg_bits = 16,
1078 .val_bits = 16,
1079 .max_register = RT1015_S_BST_TIMING_INTER36,
1080 .volatile_reg = rt1015_volatile_register,
1081 .readable_reg = rt1015_readable_register,
1082 .cache_type = REGCACHE_RBTREE,
1083 .reg_defaults = rt1015_reg,
1084 .num_reg_defaults = ARRAY_SIZE(rt1015_reg),
1085 };
1086
1087 static const struct i2c_device_id rt1015_i2c_id[] = {
1088 { "rt1015", 0 },
1089 { }
1090 };
1091 MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
1092
1093 #if defined(CONFIG_OF)
1094 static const struct of_device_id rt1015_of_match[] = {
1095 { .compatible = "realtek,rt1015", },
1096 {},
1097 };
1098 MODULE_DEVICE_TABLE(of, rt1015_of_match);
1099 #endif
1100
1101 #ifdef CONFIG_ACPI
1102 static const struct acpi_device_id rt1015_acpi_match[] = {
1103 {"10EC1015", 0,},
1104 {},
1105 };
1106 MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
1107 #endif
1108
rt1015_parse_dt(struct rt1015_priv * rt1015,struct device * dev)1109 static void rt1015_parse_dt(struct rt1015_priv *rt1015, struct device *dev)
1110 {
1111 device_property_read_u32(dev, "realtek,power-up-delay-ms",
1112 &rt1015->pdata.power_up_delay_ms);
1113 }
1114
rt1015_i2c_probe(struct i2c_client * i2c)1115 static int rt1015_i2c_probe(struct i2c_client *i2c)
1116 {
1117 struct rt1015_platform_data *pdata = dev_get_platdata(&i2c->dev);
1118 struct rt1015_priv *rt1015;
1119 int ret;
1120 unsigned int val;
1121
1122 rt1015 = devm_kzalloc(&i2c->dev, sizeof(*rt1015), GFP_KERNEL);
1123 if (!rt1015)
1124 return -ENOMEM;
1125
1126 i2c_set_clientdata(i2c, rt1015);
1127
1128 rt1015->pdata = i2s_default_platform_data;
1129
1130 if (pdata)
1131 rt1015->pdata = *pdata;
1132 else
1133 rt1015_parse_dt(rt1015, &i2c->dev);
1134
1135 rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
1136 if (IS_ERR(rt1015->regmap)) {
1137 ret = PTR_ERR(rt1015->regmap);
1138 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1139 ret);
1140 return ret;
1141 }
1142
1143 ret = regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
1144 if (ret) {
1145 dev_err(&i2c->dev,
1146 "Failed to read device register: %d\n", ret);
1147 return ret;
1148 } else if ((val != RT1015_DEVICE_ID_VAL) &&
1149 (val != RT1015_DEVICE_ID_VAL2)) {
1150 dev_err(&i2c->dev,
1151 "Device with ID register %x is not rt1015\n", val);
1152 return -ENODEV;
1153 }
1154
1155 return devm_snd_soc_register_component(&i2c->dev,
1156 &soc_component_dev_rt1015,
1157 rt1015_dai, ARRAY_SIZE(rt1015_dai));
1158 }
1159
rt1015_i2c_shutdown(struct i2c_client * client)1160 static void rt1015_i2c_shutdown(struct i2c_client *client)
1161 {
1162 struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
1163
1164 regmap_write(rt1015->regmap, RT1015_RESET, 0);
1165 }
1166
1167 static struct i2c_driver rt1015_i2c_driver = {
1168 .driver = {
1169 .name = "rt1015",
1170 .of_match_table = of_match_ptr(rt1015_of_match),
1171 .acpi_match_table = ACPI_PTR(rt1015_acpi_match),
1172 },
1173 .probe_new = rt1015_i2c_probe,
1174 .shutdown = rt1015_i2c_shutdown,
1175 .id_table = rt1015_i2c_id,
1176 };
1177 module_i2c_driver(rt1015_i2c_driver);
1178
1179 MODULE_DESCRIPTION("ASoC RT1015 driver");
1180 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1181 MODULE_LICENSE("GPL v2");
1182