xref: /openbmc/linux/sound/soc/codecs/rt1015.c (revision dc6a81c3)
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/fs.h>
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/regmap.h>
18 #include <linux/i2c.h>
19 #include <linux/platform_device.h>
20 #include <linux/firmware.h>
21 #include <linux/gpio.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 
30 #include "rl6231.h"
31 #include "rt1015.h"
32 
33 static const struct reg_default rt1015_reg[] = {
34 	{ 0x0000, 0x0000 },
35 	{ 0x0004, 0xa000 },
36 	{ 0x0006, 0x0003 },
37 	{ 0x000a, 0x0802 },
38 	{ 0x000c, 0x0020 },
39 	{ 0x000e, 0x0000 },
40 	{ 0x0010, 0x0000 },
41 	{ 0x0012, 0x0000 },
42 	{ 0x0020, 0x8000 },
43 	{ 0x0022, 0x471b },
44 	{ 0x006a, 0x0000 },
45 	{ 0x006c, 0x4020 },
46 	{ 0x0076, 0x0000 },
47 	{ 0x0078, 0x0000 },
48 	{ 0x007a, 0x0000 },
49 	{ 0x007c, 0x10ec },
50 	{ 0x007d, 0x1015 },
51 	{ 0x00f0, 0x5000 },
52 	{ 0x00f2, 0x0774 },
53 	{ 0x00f3, 0x8400 },
54 	{ 0x00f4, 0x0000 },
55 	{ 0x0100, 0x0028 },
56 	{ 0x0102, 0xff02 },
57 	{ 0x0104, 0x8232 },
58 	{ 0x0106, 0x200c },
59 	{ 0x010c, 0x002f },
60 	{ 0x010e, 0xc000 },
61 	{ 0x0111, 0x0200 },
62 	{ 0x0112, 0x0400 },
63 	{ 0x0114, 0x0022 },
64 	{ 0x0116, 0x0000 },
65 	{ 0x0118, 0x0000 },
66 	{ 0x011a, 0x0123 },
67 	{ 0x011c, 0x4567 },
68 	{ 0x0300, 0xdddd },
69 	{ 0x0302, 0x0000 },
70 	{ 0x0311, 0x9330 },
71 	{ 0x0313, 0x0000 },
72 	{ 0x0314, 0x0000 },
73 	{ 0x031a, 0x00a0 },
74 	{ 0x031c, 0x001f },
75 	{ 0x031d, 0xffff },
76 	{ 0x031e, 0x0000 },
77 	{ 0x031f, 0x0000 },
78 	{ 0x0321, 0x0000 },
79 	{ 0x0322, 0x0000 },
80 	{ 0x0328, 0x0000 },
81 	{ 0x0329, 0x0000 },
82 	{ 0x032a, 0x0000 },
83 	{ 0x032b, 0x0000 },
84 	{ 0x032c, 0x0000 },
85 	{ 0x032d, 0x0000 },
86 	{ 0x032e, 0x030e },
87 	{ 0x0330, 0x0080 },
88 	{ 0x0332, 0x0034 },
89 	{ 0x0334, 0x0000 },
90 	{ 0x0336, 0x0000 },
91 	{ 0x0506, 0x04ff },
92 	{ 0x0508, 0x0030 },
93 	{ 0x050a, 0x0018 },
94 	{ 0x0519, 0x307f },
95 	{ 0x051a, 0xffff },
96 	{ 0x051b, 0x4000 },
97 	{ 0x051d, 0x0000 },
98 	{ 0x051f, 0x0000 },
99 	{ 0x0536, 0x1000 },
100 	{ 0x0538, 0x0000 },
101 	{ 0x053a, 0x0000 },
102 	{ 0x053c, 0x0000 },
103 	{ 0x053d, 0x0000 },
104 	{ 0x053e, 0x0000 },
105 	{ 0x053f, 0x0000 },
106 	{ 0x0540, 0x0000 },
107 	{ 0x0541, 0x0000 },
108 	{ 0x0542, 0x0000 },
109 	{ 0x0543, 0x0000 },
110 	{ 0x0544, 0x0000 },
111 	{ 0x0568, 0x0000 },
112 	{ 0x056a, 0x0000 },
113 	{ 0x1000, 0x0000 },
114 	{ 0x1002, 0x6505 },
115 	{ 0x1006, 0x5515 },
116 	{ 0x1007, 0x003f },
117 	{ 0x1009, 0x770f },
118 	{ 0x100a, 0x01ff },
119 	{ 0x100c, 0x0000 },
120 	{ 0x100d, 0x0003 },
121 	{ 0x1010, 0xa433 },
122 	{ 0x1020, 0x0000 },
123 	{ 0x1200, 0x3d02 },
124 	{ 0x1202, 0x0813 },
125 	{ 0x1204, 0x0211 },
126 	{ 0x1206, 0x0000 },
127 	{ 0x1208, 0x0000 },
128 	{ 0x120a, 0x0000 },
129 	{ 0x120c, 0x0000 },
130 	{ 0x120e, 0x0000 },
131 	{ 0x1210, 0x0000 },
132 	{ 0x1212, 0x0000 },
133 	{ 0x1300, 0x0701 },
134 	{ 0x1302, 0x12f9 },
135 	{ 0x1304, 0x3405 },
136 	{ 0x1305, 0x0844 },
137 	{ 0x1306, 0x1611 },
138 	{ 0x1308, 0x555e },
139 	{ 0x130a, 0x0000 },
140 	{ 0x130c, 0x2400},
141 	{ 0x130e, 0x7700 },
142 	{ 0x130f, 0x0000 },
143 	{ 0x1310, 0x0000 },
144 	{ 0x1312, 0x0000 },
145 	{ 0x1314, 0x0000 },
146 	{ 0x1316, 0x0000 },
147 	{ 0x1318, 0x0000 },
148 	{ 0x131a, 0x0000 },
149 	{ 0x1322, 0x0029 },
150 	{ 0x1323, 0x4a52 },
151 	{ 0x1324, 0x002c },
152 	{ 0x1325, 0x0b02 },
153 	{ 0x1326, 0x002d },
154 	{ 0x1327, 0x6b5a },
155 	{ 0x1328, 0x002e },
156 	{ 0x1329, 0xcbb2 },
157 	{ 0x132a, 0x0030 },
158 	{ 0x132b, 0x2c0b },
159 	{ 0x1330, 0x0031 },
160 	{ 0x1331, 0x8c63 },
161 	{ 0x1332, 0x0032 },
162 	{ 0x1333, 0xecbb },
163 	{ 0x1334, 0x0034 },
164 	{ 0x1335, 0x4d13 },
165 	{ 0x1336, 0x0037 },
166 	{ 0x1337, 0x0dc3 },
167 	{ 0x1338, 0x003d },
168 	{ 0x1339, 0xef7b },
169 	{ 0x133a, 0x0044 },
170 	{ 0x133b, 0xd134 },
171 	{ 0x133c, 0x0047 },
172 	{ 0x133d, 0x91e4 },
173 	{ 0x133e, 0x004d },
174 	{ 0x133f, 0xc370 },
175 	{ 0x1340, 0x0053 },
176 	{ 0x1341, 0xf4fd },
177 	{ 0x1342, 0x0060 },
178 	{ 0x1343, 0x5816 },
179 	{ 0x1344, 0x006c },
180 	{ 0x1345, 0xbb2e },
181 	{ 0x1346, 0x0072 },
182 	{ 0x1347, 0xecbb },
183 	{ 0x1348, 0x0076 },
184 	{ 0x1349, 0x5d97 },
185 };
186 
187 static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
188 {
189 	switch (reg) {
190 	case RT1015_RESET:
191 	case RT1015_CLK_DET:
192 	case RT1015_SIL_DET:
193 	case RT1015_VER_ID:
194 	case RT1015_VENDOR_ID:
195 	case RT1015_DEVICE_ID:
196 	case RT1015_PRO_ALT:
197 	case RT1015_DAC3:
198 	case RT1015_VBAT_TEST_OUT1:
199 	case RT1015_VBAT_TEST_OUT2:
200 	case RT1015_VBAT_PROT_ATT:
201 	case RT1015_VBAT_DET_CODE:
202 	case RT1015_SMART_BST_CTRL1:
203 	case RT1015_SPK_DC_DETECT1:
204 	case RT1015_SPK_DC_DETECT4:
205 	case RT1015_SPK_DC_DETECT5:
206 	case RT1015_DC_CALIB_CLSD1:
207 	case RT1015_DC_CALIB_CLSD5:
208 	case RT1015_DC_CALIB_CLSD6:
209 	case RT1015_DC_CALIB_CLSD7:
210 	case RT1015_DC_CALIB_CLSD8:
211 	case RT1015_S_BST_TIMING_INTER1:
212 		return true;
213 
214 	default:
215 		return false;
216 	}
217 }
218 
219 static bool rt1015_readable_register(struct device *dev, unsigned int reg)
220 {
221 	switch (reg) {
222 	case RT1015_RESET:
223 	case RT1015_CLK2:
224 	case RT1015_CLK3:
225 	case RT1015_PLL1:
226 	case RT1015_PLL2:
227 	case RT1015_CLK_DET:
228 	case RT1015_SIL_DET:
229 	case RT1015_CUSTOMER_ID:
230 	case RT1015_PCODE_FWVER:
231 	case RT1015_VER_ID:
232 	case RT1015_VENDOR_ID:
233 	case RT1015_DEVICE_ID:
234 	case RT1015_PAD_DRV1:
235 	case RT1015_PAD_DRV2:
236 	case RT1015_GAT_BOOST:
237 	case RT1015_PRO_ALT:
238 	case RT1015_MAN_I2C:
239 	case RT1015_DAC1:
240 	case RT1015_DAC2:
241 	case RT1015_DAC3:
242 	case RT1015_ADC1:
243 	case RT1015_ADC2:
244 	case RT1015_TDM_MASTER:
245 	case RT1015_TDM_TCON:
246 	case RT1015_TDM1_1:
247 	case RT1015_TDM1_2:
248 	case RT1015_TDM1_3:
249 	case RT1015_TDM1_4:
250 	case RT1015_TDM1_5:
251 	case RT1015_MIXER1:
252 	case RT1015_MIXER2:
253 	case RT1015_ANA_PROTECT1:
254 	case RT1015_ANA_CTRL_SEQ1:
255 	case RT1015_ANA_CTRL_SEQ2:
256 	case RT1015_VBAT_DET_DEB:
257 	case RT1015_VBAT_VOLT_DET1:
258 	case RT1015_VBAT_VOLT_DET2:
259 	case RT1015_VBAT_TEST_OUT1:
260 	case RT1015_VBAT_TEST_OUT2:
261 	case RT1015_VBAT_PROT_ATT:
262 	case RT1015_VBAT_DET_CODE:
263 	case RT1015_PWR1:
264 	case RT1015_PWR4:
265 	case RT1015_PWR5:
266 	case RT1015_PWR6:
267 	case RT1015_PWR7:
268 	case RT1015_PWR8:
269 	case RT1015_PWR9:
270 	case RT1015_CLASSD_SEQ:
271 	case RT1015_SMART_BST_CTRL1:
272 	case RT1015_SMART_BST_CTRL2:
273 	case RT1015_ANA_CTRL1:
274 	case RT1015_ANA_CTRL2:
275 	case RT1015_SPK_VOL:
276 	case RT1015_SHORT_DETTOP1:
277 	case RT1015_SHORT_DETTOP2:
278 	case RT1015_SPK_DC_DETECT1:
279 	case RT1015_SPK_DC_DETECT2:
280 	case RT1015_SPK_DC_DETECT3:
281 	case RT1015_SPK_DC_DETECT4:
282 	case RT1015_SPK_DC_DETECT5:
283 	case RT1015_BAT_RPO_STEP1:
284 	case RT1015_BAT_RPO_STEP2:
285 	case RT1015_BAT_RPO_STEP3:
286 	case RT1015_BAT_RPO_STEP4:
287 	case RT1015_BAT_RPO_STEP5:
288 	case RT1015_BAT_RPO_STEP6:
289 	case RT1015_BAT_RPO_STEP7:
290 	case RT1015_BAT_RPO_STEP8:
291 	case RT1015_BAT_RPO_STEP9:
292 	case RT1015_BAT_RPO_STEP10:
293 	case RT1015_BAT_RPO_STEP11:
294 	case RT1015_BAT_RPO_STEP12:
295 	case RT1015_SPREAD_SPEC1:
296 	case RT1015_SPREAD_SPEC2:
297 	case RT1015_PAD_STATUS:
298 	case RT1015_PADS_PULLING_CTRL1:
299 	case RT1015_PADS_DRIVING:
300 	case RT1015_SYS_RST1:
301 	case RT1015_SYS_RST2:
302 	case RT1015_SYS_GATING1:
303 	case RT1015_TEST_MODE1:
304 	case RT1015_TEST_MODE2:
305 	case RT1015_TIMING_CTRL1:
306 	case RT1015_PLL_INT:
307 	case RT1015_TEST_OUT1:
308 	case RT1015_DC_CALIB_CLSD1:
309 	case RT1015_DC_CALIB_CLSD2:
310 	case RT1015_DC_CALIB_CLSD3:
311 	case RT1015_DC_CALIB_CLSD4:
312 	case RT1015_DC_CALIB_CLSD5:
313 	case RT1015_DC_CALIB_CLSD6:
314 	case RT1015_DC_CALIB_CLSD7:
315 	case RT1015_DC_CALIB_CLSD8:
316 	case RT1015_DC_CALIB_CLSD9:
317 	case RT1015_DC_CALIB_CLSD10:
318 	case RT1015_CLSD_INTERNAL1:
319 	case RT1015_CLSD_INTERNAL2:
320 	case RT1015_CLSD_INTERNAL3:
321 	case RT1015_CLSD_INTERNAL4:
322 	case RT1015_CLSD_INTERNAL5:
323 	case RT1015_CLSD_INTERNAL6:
324 	case RT1015_CLSD_INTERNAL7:
325 	case RT1015_CLSD_INTERNAL8:
326 	case RT1015_CLSD_INTERNAL9:
327 	case RT1015_CLSD_OCP_CTRL:
328 	case RT1015_VREF_LV:
329 	case RT1015_MBIAS1:
330 	case RT1015_MBIAS2:
331 	case RT1015_MBIAS3:
332 	case RT1015_MBIAS4:
333 	case RT1015_VREF_LV1:
334 	case RT1015_S_BST_TIMING_INTER1:
335 	case RT1015_S_BST_TIMING_INTER2:
336 	case RT1015_S_BST_TIMING_INTER3:
337 	case RT1015_S_BST_TIMING_INTER4:
338 	case RT1015_S_BST_TIMING_INTER5:
339 	case RT1015_S_BST_TIMING_INTER6:
340 	case RT1015_S_BST_TIMING_INTER7:
341 	case RT1015_S_BST_TIMING_INTER8:
342 	case RT1015_S_BST_TIMING_INTER9:
343 	case RT1015_S_BST_TIMING_INTER10:
344 	case RT1015_S_BST_TIMING_INTER11:
345 	case RT1015_S_BST_TIMING_INTER12:
346 	case RT1015_S_BST_TIMING_INTER13:
347 	case RT1015_S_BST_TIMING_INTER14:
348 	case RT1015_S_BST_TIMING_INTER15:
349 	case RT1015_S_BST_TIMING_INTER16:
350 	case RT1015_S_BST_TIMING_INTER17:
351 	case RT1015_S_BST_TIMING_INTER18:
352 	case RT1015_S_BST_TIMING_INTER19:
353 	case RT1015_S_BST_TIMING_INTER20:
354 	case RT1015_S_BST_TIMING_INTER21:
355 	case RT1015_S_BST_TIMING_INTER22:
356 	case RT1015_S_BST_TIMING_INTER23:
357 	case RT1015_S_BST_TIMING_INTER24:
358 	case RT1015_S_BST_TIMING_INTER25:
359 	case RT1015_S_BST_TIMING_INTER26:
360 	case RT1015_S_BST_TIMING_INTER27:
361 	case RT1015_S_BST_TIMING_INTER28:
362 	case RT1015_S_BST_TIMING_INTER29:
363 	case RT1015_S_BST_TIMING_INTER30:
364 	case RT1015_S_BST_TIMING_INTER31:
365 	case RT1015_S_BST_TIMING_INTER32:
366 	case RT1015_S_BST_TIMING_INTER33:
367 	case RT1015_S_BST_TIMING_INTER34:
368 	case RT1015_S_BST_TIMING_INTER35:
369 	case RT1015_S_BST_TIMING_INTER36:
370 		return true;
371 
372 	default:
373 		return false;
374 	}
375 }
376 
377 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
378 
379 static const char * const rt1015_din_source_select[] = {
380 	"Left",
381 	"Right",
382 	"Left + Right average",
383 };
384 
385 static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
386 	rt1015_din_source_select);
387 
388 static const char * const rt1015_boost_mode[] = {
389 	"Bypass", "Adaptive", "Fixed Adaptive"
390 };
391 
392 static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
393 	rt1015_boost_mode);
394 
395 static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
396 		struct snd_ctl_elem_value *ucontrol)
397 {
398 	struct snd_soc_component *component =
399 		snd_soc_kcontrol_component(kcontrol);
400 	struct rt1015_priv *rt1015 =
401 		snd_soc_component_get_drvdata(component);
402 
403 	ucontrol->value.integer.value[0] = rt1015->boost_mode;
404 
405 	return 0;
406 }
407 
408 static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
409 		struct snd_ctl_elem_value *ucontrol)
410 {
411 	struct snd_soc_component *component =
412 		snd_soc_kcontrol_component(kcontrol);
413 	struct rt1015_priv *rt1015 =
414 		snd_soc_component_get_drvdata(component);
415 
416 	rt1015->boost_mode = ucontrol->value.integer.value[0];
417 
418 	switch (rt1015->boost_mode) {
419 	case BYPASS:
420 		snd_soc_component_update_bits(component,
421 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
422 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
423 			RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
424 			RT1015_BYPASS_SWRREG_BYPASS);
425 		break;
426 	case ADAPTIVE:
427 		snd_soc_component_update_bits(component,
428 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
429 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
430 			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
431 			RT1015_BYPASS_SWRREG_PASS);
432 		break;
433 	case FIXED_ADAPTIVE:
434 		snd_soc_component_update_bits(component,
435 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
436 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
437 			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
438 			RT1015_BYPASS_SWRREG_PASS);
439 		break;
440 	default:
441 		dev_err(component->dev, "Unknown boost control.\n");
442 	}
443 
444 	return 0;
445 }
446 
447 static int rt5518_bypass_boost_get(struct snd_kcontrol *kcontrol,
448 		struct snd_ctl_elem_value *ucontrol)
449 {
450 	struct snd_soc_component *component =
451 		snd_soc_kcontrol_component(kcontrol);
452 	struct rt1015_priv *rt1015 =
453 		snd_soc_component_get_drvdata(component);
454 
455 	ucontrol->value.integer.value[0] = rt1015->bypass_boost;
456 
457 	return 0;
458 }
459 
460 static int rt5518_bypass_boost_put(struct snd_kcontrol *kcontrol,
461 		struct snd_ctl_elem_value *ucontrol)
462 {
463 	struct snd_soc_component *component =
464 		snd_soc_kcontrol_component(kcontrol);
465 	struct rt1015_priv *rt1015 =
466 		snd_soc_component_get_drvdata(component);
467 
468 	if (!rt1015->dac_is_used) {
469 		rt1015->bypass_boost = ucontrol->value.integer.value[0];
470 		if (rt1015->bypass_boost == 1) {
471 			snd_soc_component_write(component,
472 				RT1015_PWR4, 0x00b2);
473 			snd_soc_component_write(component,
474 				RT1015_CLSD_INTERNAL8, 0x2008);
475 			snd_soc_component_write(component,
476 				RT1015_CLSD_INTERNAL9, 0x0140);
477 			snd_soc_component_write(component,
478 				RT1015_GAT_BOOST, 0x00fe);
479 			snd_soc_component_write(component,
480 				RT1015_PWR_STATE_CTRL, 0x000d);
481 			msleep(500);
482 			snd_soc_component_write(component,
483 				RT1015_PWR_STATE_CTRL, 0x000e);
484 		}
485 	} else
486 		dev_err(component->dev, "DAC is being used!\n");
487 
488 	return 0;
489 }
490 
491 static const struct snd_kcontrol_new rt1015_snd_controls[] = {
492 	SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
493 		127, 0, dac_vol_tlv),
494 	SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
495 		RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
496 	SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
497 		rt1015_boost_mode_get, rt1015_boost_mode_put),
498 	SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
499 	SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
500 		rt5518_bypass_boost_get, rt5518_bypass_boost_put),
501 };
502 
503 static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
504 			 struct snd_soc_dapm_widget *sink)
505 {
506 	struct snd_soc_component *component =
507 		snd_soc_dapm_to_component(source->dapm);
508 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
509 
510 	if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
511 		return 1;
512 	else
513 		return 0;
514 }
515 
516 static int r1015_dac_event(struct snd_soc_dapm_widget *w,
517 	struct snd_kcontrol *kcontrol, int event)
518 {
519 	struct snd_soc_component *component =
520 		snd_soc_dapm_to_component(w->dapm);
521 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
522 
523 	switch (event) {
524 	case SND_SOC_DAPM_PRE_PMU:
525 		rt1015->dac_is_used = 1;
526 		if (rt1015->bypass_boost == 0) {
527 			snd_soc_component_write(component,
528 				RT1015_SYS_RST1, 0x05f7);
529 			snd_soc_component_write(component,
530 				RT1015_GAT_BOOST, 0xacfe);
531 			snd_soc_component_write(component,
532 				RT1015_PWR9, 0xaa00);
533 			snd_soc_component_write(component,
534 				RT1015_GAT_BOOST, 0xecfe);
535 		} else {
536 			snd_soc_component_write(component,
537 				RT1015_SYS_RST1, 0x05f7);
538 			snd_soc_component_write(component,
539 				RT1015_PWR_STATE_CTRL, 0x026e);
540 		}
541 		break;
542 
543 	case SND_SOC_DAPM_POST_PMD:
544 		if (rt1015->bypass_boost == 0) {
545 			snd_soc_component_write(component,
546 				RT1015_PWR9, 0xa800);
547 			snd_soc_component_write(component,
548 				RT1015_SYS_RST1, 0x05f5);
549 		} else {
550 			snd_soc_component_write(component,
551 				RT1015_PWR_STATE_CTRL, 0x0268);
552 			snd_soc_component_write(component,
553 				RT1015_SYS_RST1, 0x05f5);
554 		}
555 		rt1015->dac_is_used = 0;
556 		break;
557 
558 	default:
559 		break;
560 	}
561 	return 0;
562 }
563 
564 static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
565 	SND_SOC_DAPM_SUPPLY("LDO2", RT1015_PWR1, RT1015_PWR_LDO2_BIT, 0,
566 		NULL, 0),
567 	SND_SOC_DAPM_SUPPLY("INT RC CLK", RT1015_PWR1, RT1015_PWR_INTCLK_BIT,
568 		0, NULL, 0),
569 	SND_SOC_DAPM_SUPPLY("ISENSE", RT1015_PWR1, RT1015_PWR_ISENSE_BIT, 0,
570 		NULL, 0),
571 	SND_SOC_DAPM_SUPPLY("VSENSE", RT1015_PWR1, RT1015_PWR_VSENSE_BIT, 0,
572 		NULL, 0),
573 	SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
574 		NULL, 0),
575 	SND_SOC_DAPM_SUPPLY("BG1 BG2", RT1015_PWR1, RT1015_PWR_BG_1_2_BIT, 0,
576 		NULL, 0),
577 	SND_SOC_DAPM_SUPPLY("MBIAS BG", RT1015_PWR1, RT1015_PWR_MBIAS_BG_BIT, 0,
578 		NULL, 0),
579 	SND_SOC_DAPM_SUPPLY("VBAT", RT1015_PWR1, RT1015_PWR_VBAT_BIT, 0, NULL,
580 		0),
581 	SND_SOC_DAPM_SUPPLY("MBIAS", RT1015_PWR1, RT1015_PWR_MBIAS_BIT, 0,
582 		NULL, 0),
583 	SND_SOC_DAPM_SUPPLY("ADCV", RT1015_PWR1, RT1015_PWR_ADCV_BIT, 0, NULL,
584 		0),
585 	SND_SOC_DAPM_SUPPLY("MIXERV", RT1015_PWR1, RT1015_PWR_MIXERV_BIT, 0,
586 		NULL, 0),
587 	SND_SOC_DAPM_SUPPLY("SUMV", RT1015_PWR1, RT1015_PWR_SUMV_BIT, 0, NULL,
588 		0),
589 	SND_SOC_DAPM_SUPPLY("VREFLV", RT1015_PWR1, RT1015_PWR_VREFLV_BIT, 0,
590 		NULL, 0),
591 
592 	SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
593 	SND_SOC_DAPM_DAC_E("DAC", NULL, RT1015_PWR1, RT1015_PWR_DAC_BIT, 0,
594 		r1015_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
595 
596 	SND_SOC_DAPM_OUTPUT("SPO"),
597 };
598 
599 static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
600 	{ "DAC", NULL, "AIFRX" },
601 	{ "DAC", NULL, "LDO2" },
602 	{ "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
603 	{ "DAC", NULL, "INT RC CLK" },
604 	{ "DAC", NULL, "ISENSE" },
605 	{ "DAC", NULL, "VSENSE" },
606 	{ "DAC", NULL, "BG1 BG2" },
607 	{ "DAC", NULL, "MBIAS BG" },
608 	{ "DAC", NULL, "VBAT" },
609 	{ "DAC", NULL, "MBIAS" },
610 	{ "DAC", NULL, "ADCV" },
611 	{ "DAC", NULL, "MIXERV" },
612 	{ "DAC", NULL, "SUMV" },
613 	{ "DAC", NULL, "VREFLV" },
614 	{ "SPO", NULL, "DAC" },
615 };
616 
617 static int rt1015_hw_params(struct snd_pcm_substream *substream,
618 	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
619 {
620 	struct snd_soc_component *component = dai->component;
621 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
622 	int pre_div, bclk_ms, frame_size;
623 	unsigned int val_len = 0;
624 
625 	rt1015->lrck = params_rate(params);
626 	pre_div = rl6231_get_clk_info(rt1015->sysclk, rt1015->lrck);
627 	if (pre_div < 0) {
628 		dev_err(component->dev, "Unsupported clock rate\n");
629 		return -EINVAL;
630 	}
631 
632 	frame_size = snd_soc_params_to_frame_size(params);
633 	if (frame_size < 0) {
634 		dev_err(component->dev, "Unsupported frame size: %d\n",
635 			frame_size);
636 		return -EINVAL;
637 	}
638 
639 	bclk_ms = frame_size > 32;
640 	rt1015->bclk = rt1015->lrck * (32 << bclk_ms);
641 
642 	dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
643 				bclk_ms, pre_div, dai->id);
644 
645 	dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
646 				rt1015->lrck, pre_div, dai->id);
647 
648 	switch (params_width(params)) {
649 	case 16:
650 		break;
651 	case 20:
652 		val_len = RT1015_I2S_DL_20;
653 		break;
654 	case 24:
655 		val_len = RT1015_I2S_DL_24;
656 		break;
657 	case 8:
658 		val_len = RT1015_I2S_DL_8;
659 		break;
660 	default:
661 		return -EINVAL;
662 	}
663 
664 	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
665 		RT1015_I2S_DL_MASK, val_len);
666 	snd_soc_component_update_bits(component, RT1015_CLK2,
667 		RT1015_FS_PD_MASK, pre_div);
668 
669 	return 0;
670 }
671 
672 static int rt1015_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
673 {
674 	struct snd_soc_component *component = dai->component;
675 	unsigned int reg_val = 0, reg_val2 = 0;
676 
677 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
678 	case SND_SOC_DAIFMT_CBM_CFM:
679 		reg_val |= RT1015_TCON_TDM_MS_M;
680 		break;
681 	case SND_SOC_DAIFMT_CBS_CFS:
682 		reg_val |= RT1015_TCON_TDM_MS_S;
683 		break;
684 	default:
685 		return -EINVAL;
686 	}
687 
688 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
689 	case SND_SOC_DAIFMT_NB_NF:
690 		break;
691 	case SND_SOC_DAIFMT_IB_NF:
692 		reg_val2 |= RT1015_TDM_INV_BCLK;
693 		break;
694 	default:
695 		return -EINVAL;
696 	}
697 
698 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
699 	case SND_SOC_DAIFMT_I2S:
700 		break;
701 
702 	case SND_SOC_DAIFMT_LEFT_J:
703 		reg_val |= RT1015_I2S_M_DF_LEFT;
704 		break;
705 
706 	case SND_SOC_DAIFMT_DSP_A:
707 		reg_val |= RT1015_I2S_M_DF_PCM_A;
708 		break;
709 
710 	case SND_SOC_DAIFMT_DSP_B:
711 		reg_val |= RT1015_I2S_M_DF_PCM_B;
712 		break;
713 
714 	default:
715 		return -EINVAL;
716 	}
717 
718 	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
719 			RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
720 			reg_val);
721 	snd_soc_component_update_bits(component, RT1015_TDM1_1,
722 			RT1015_TDM_INV_BCLK_MASK, reg_val2);
723 
724 	return 0;
725 }
726 
727 static int rt1015_set_component_sysclk(struct snd_soc_component *component,
728 		int clk_id, int source, unsigned int freq, int dir)
729 {
730 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
731 	unsigned int reg_val = 0;
732 
733 	if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
734 		return 0;
735 
736 	switch (clk_id) {
737 	case RT1015_SCLK_S_MCLK:
738 		reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
739 		break;
740 
741 	case RT1015_SCLK_S_PLL:
742 		reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
743 		break;
744 
745 	default:
746 		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
747 		return -EINVAL;
748 	}
749 
750 	rt1015->sysclk = freq;
751 	rt1015->sysclk_src = clk_id;
752 
753 	dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
754 		freq, clk_id);
755 
756 	snd_soc_component_update_bits(component, RT1015_CLK2,
757 			RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
758 
759 	return 0;
760 }
761 
762 static int rt1015_set_component_pll(struct snd_soc_component *component,
763 		int pll_id, int source, unsigned int freq_in,
764 		unsigned int freq_out)
765 {
766 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
767 	struct rl6231_pll_code pll_code;
768 	int ret;
769 
770 	if (!freq_in || !freq_out) {
771 		dev_dbg(component->dev, "PLL disabled\n");
772 
773 		rt1015->pll_in = 0;
774 		rt1015->pll_out = 0;
775 
776 		return 0;
777 	}
778 
779 	if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
780 		freq_out == rt1015->pll_out)
781 		return 0;
782 
783 	switch (source) {
784 	case RT1015_PLL_S_MCLK:
785 		snd_soc_component_update_bits(component, RT1015_CLK2,
786 			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
787 		break;
788 
789 	case RT1015_PLL_S_BCLK:
790 		snd_soc_component_update_bits(component, RT1015_CLK2,
791 			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
792 		break;
793 
794 	default:
795 		dev_err(component->dev, "Unknown PLL Source %d\n", source);
796 		return -EINVAL;
797 	}
798 
799 	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
800 	if (ret < 0) {
801 		dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
802 		return ret;
803 	}
804 
805 	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
806 		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
807 		pll_code.n_code, pll_code.k_code);
808 
809 	snd_soc_component_write(component, RT1015_PLL1,
810 		(pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT |
811 		pll_code.m_bp << RT1015_PLL_M_BP_SFT | pll_code.n_code);
812 	snd_soc_component_write(component, RT1015_PLL2,
813 		pll_code.k_code);
814 
815 	rt1015->pll_in = freq_in;
816 	rt1015->pll_out = freq_out;
817 	rt1015->pll_src = source;
818 
819 	return 0;
820 }
821 
822 static int rt1015_probe(struct snd_soc_component *component)
823 {
824 	struct rt1015_priv *rt1015 =
825 		snd_soc_component_get_drvdata(component);
826 
827 	rt1015->component = component;
828 	snd_soc_component_write(component, RT1015_BAT_RPO_STEP1, 0x061c);
829 
830 	return 0;
831 }
832 
833 static void rt1015_remove(struct snd_soc_component *component)
834 {
835 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
836 
837 	regmap_write(rt1015->regmap, RT1015_RESET, 0);
838 }
839 
840 #define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
841 #define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
842 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
843 
844 struct snd_soc_dai_ops rt1015_aif_dai_ops = {
845 	.hw_params = rt1015_hw_params,
846 	.set_fmt = rt1015_set_dai_fmt,
847 };
848 
849 struct snd_soc_dai_driver rt1015_dai[] = {
850 	{
851 		.name = "rt1015-aif",
852 		.id = 0,
853 		.playback = {
854 			.stream_name = "AIF Playback",
855 			.channels_min = 1,
856 			.channels_max = 4,
857 			.rates = RT1015_STEREO_RATES,
858 			.formats = RT1015_FORMATS,
859 		},
860 	}
861 };
862 
863 #ifdef CONFIG_PM
864 static int rt1015_suspend(struct snd_soc_component *component)
865 {
866 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
867 
868 	regcache_cache_only(rt1015->regmap, true);
869 	regcache_mark_dirty(rt1015->regmap);
870 
871 	return 0;
872 }
873 
874 static int rt1015_resume(struct snd_soc_component *component)
875 {
876 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
877 
878 	regcache_cache_only(rt1015->regmap, false);
879 	regcache_sync(rt1015->regmap);
880 	return 0;
881 }
882 #else
883 #define rt1015_suspend NULL
884 #define rt1015_resume NULL
885 #endif
886 
887 static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
888 	.probe = rt1015_probe,
889 	.remove = rt1015_remove,
890 	.suspend = rt1015_suspend,
891 	.resume = rt1015_resume,
892 	.controls = rt1015_snd_controls,
893 	.num_controls = ARRAY_SIZE(rt1015_snd_controls),
894 	.dapm_widgets = rt1015_dapm_widgets,
895 	.num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
896 	.dapm_routes = rt1015_dapm_routes,
897 	.num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
898 	.set_sysclk = rt1015_set_component_sysclk,
899 	.set_pll = rt1015_set_component_pll,
900 	.use_pmdown_time	= 1,
901 	.endianness		= 1,
902 	.non_legacy_dai_naming	= 1,
903 };
904 
905 static const struct regmap_config rt1015_regmap = {
906 	.reg_bits = 16,
907 	.val_bits = 16,
908 	.max_register = RT1015_S_BST_TIMING_INTER36,
909 	.volatile_reg = rt1015_volatile_register,
910 	.readable_reg = rt1015_readable_register,
911 	.cache_type = REGCACHE_RBTREE,
912 	.reg_defaults = rt1015_reg,
913 	.num_reg_defaults = ARRAY_SIZE(rt1015_reg),
914 };
915 
916 static const struct i2c_device_id rt1015_i2c_id[] = {
917 	{ "rt1015", 0 },
918 	{ }
919 };
920 MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
921 
922 #if defined(CONFIG_OF)
923 static const struct of_device_id rt1015_of_match[] = {
924 	{ .compatible = "realtek,rt1015", },
925 	{},
926 };
927 MODULE_DEVICE_TABLE(of, rt1015_of_match);
928 #endif
929 
930 #ifdef CONFIG_ACPI
931 static struct acpi_device_id rt1015_acpi_match[] = {
932 	{"10EC1015", 0,},
933 	{},
934 };
935 MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
936 #endif
937 
938 static int rt1015_i2c_probe(struct i2c_client *i2c,
939 	const struct i2c_device_id *id)
940 {
941 	struct rt1015_priv *rt1015;
942 	int ret;
943 	unsigned int val;
944 
945 	rt1015 = devm_kzalloc(&i2c->dev, sizeof(struct rt1015_priv),
946 				GFP_KERNEL);
947 	if (rt1015 == NULL)
948 		return -ENOMEM;
949 
950 	i2c_set_clientdata(i2c, rt1015);
951 
952 	rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
953 	if (IS_ERR(rt1015->regmap)) {
954 		ret = PTR_ERR(rt1015->regmap);
955 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
956 			ret);
957 		return ret;
958 	}
959 
960 	regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
961 	if ((val != RT1015_DEVICE_ID_VAL) && (val != RT1015_DEVICE_ID_VAL2)) {
962 		dev_err(&i2c->dev,
963 			"Device with ID register %x is not rt1015\n", val);
964 		return -ENODEV;
965 	}
966 
967 	return devm_snd_soc_register_component(&i2c->dev,
968 		&soc_component_dev_rt1015,
969 		rt1015_dai, ARRAY_SIZE(rt1015_dai));
970 }
971 
972 static void rt1015_i2c_shutdown(struct i2c_client *client)
973 {
974 	struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
975 
976 	regmap_write(rt1015->regmap, RT1015_RESET, 0);
977 }
978 
979 static struct i2c_driver rt1015_i2c_driver = {
980 	.driver = {
981 		.name = "rt1015",
982 		.of_match_table = of_match_ptr(rt1015_of_match),
983 		.acpi_match_table = ACPI_PTR(rt1015_acpi_match),
984 	},
985 	.probe = rt1015_i2c_probe,
986 	.shutdown = rt1015_i2c_shutdown,
987 	.id_table = rt1015_i2c_id,
988 };
989 module_i2c_driver(rt1015_i2c_driver);
990 
991 MODULE_DESCRIPTION("ASoC RT1015 driver");
992 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
993 MODULE_LICENSE("GPL v2");
994