xref: /openbmc/linux/sound/soc/codecs/rt1015.c (revision 800e26b8)
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, 0x081e },
38 	{ 0x000c, 0x0006 },
39 	{ 0x000e, 0x0000 },
40 	{ 0x0010, 0x0000 },
41 	{ 0x0012, 0x0000 },
42 	{ 0x0014, 0x0000 },
43 	{ 0x0016, 0x0000 },
44 	{ 0x0018, 0x0000 },
45 	{ 0x0020, 0x8000 },
46 	{ 0x0022, 0x8043 },
47 	{ 0x0076, 0x0000 },
48 	{ 0x0078, 0x0000 },
49 	{ 0x007a, 0x0002 },
50 	{ 0x007c, 0x10ec },
51 	{ 0x007d, 0x1015 },
52 	{ 0x00f0, 0x5000 },
53 	{ 0x00f2, 0x004c },
54 	{ 0x00f3, 0xecfe },
55 	{ 0x00f4, 0x0000 },
56 	{ 0x00f6, 0x0400 },
57 	{ 0x0100, 0x0028 },
58 	{ 0x0102, 0xff02 },
59 	{ 0x0104, 0xa213 },
60 	{ 0x0106, 0x200c },
61 	{ 0x010c, 0x0000 },
62 	{ 0x010e, 0x0058 },
63 	{ 0x0111, 0x0200 },
64 	{ 0x0112, 0x0400 },
65 	{ 0x0114, 0x0022 },
66 	{ 0x0116, 0x0000 },
67 	{ 0x0118, 0x0000 },
68 	{ 0x011a, 0x0123 },
69 	{ 0x011c, 0x4567 },
70 	{ 0x0300, 0x203d },
71 	{ 0x0302, 0x001e },
72 	{ 0x0311, 0x0000 },
73 	{ 0x0313, 0x6014 },
74 	{ 0x0314, 0x00a2 },
75 	{ 0x031a, 0x00a0 },
76 	{ 0x031c, 0x001f },
77 	{ 0x031d, 0xffff },
78 	{ 0x031e, 0x0000 },
79 	{ 0x031f, 0x0000 },
80 	{ 0x0320, 0x0000 },
81 	{ 0x0321, 0x0000 },
82 	{ 0x0322, 0xd7df },
83 	{ 0x0328, 0x10b2 },
84 	{ 0x0329, 0x0175 },
85 	{ 0x032a, 0x36ad },
86 	{ 0x032b, 0x7e55 },
87 	{ 0x032c, 0x0520 },
88 	{ 0x032d, 0xaa00 },
89 	{ 0x032e, 0x570e },
90 	{ 0x0330, 0xe180 },
91 	{ 0x0332, 0x0034 },
92 	{ 0x0334, 0x0001 },
93 	{ 0x0336, 0x0010 },
94 	{ 0x0338, 0x0000 },
95 	{ 0x04fa, 0x0030 },
96 	{ 0x04fc, 0x35c8 },
97 	{ 0x04fe, 0x0800 },
98 	{ 0x0500, 0x0400 },
99 	{ 0x0502, 0x1000 },
100 	{ 0x0504, 0x0000 },
101 	{ 0x0506, 0x04ff },
102 	{ 0x0508, 0x0010 },
103 	{ 0x050a, 0x001a },
104 	{ 0x0519, 0x1c68 },
105 	{ 0x051a, 0x0ccc },
106 	{ 0x051b, 0x0666 },
107 	{ 0x051d, 0x0000 },
108 	{ 0x051f, 0x0000 },
109 	{ 0x0536, 0x061c },
110 	{ 0x0538, 0x0000 },
111 	{ 0x053a, 0x0000 },
112 	{ 0x053c, 0x0000 },
113 	{ 0x053d, 0x0000 },
114 	{ 0x053e, 0x0000 },
115 	{ 0x053f, 0x0000 },
116 	{ 0x0540, 0x0000 },
117 	{ 0x0541, 0x0000 },
118 	{ 0x0542, 0x0000 },
119 	{ 0x0543, 0x0000 },
120 	{ 0x0544, 0x0000 },
121 	{ 0x0568, 0x0000 },
122 	{ 0x056a, 0x0000 },
123 	{ 0x1000, 0x0040 },
124 	{ 0x1002, 0x5405 },
125 	{ 0x1006, 0x5515 },
126 	{ 0x1007, 0x05f7 },
127 	{ 0x1009, 0x0b0a },
128 	{ 0x100a, 0x00ef },
129 	{ 0x100d, 0x0003 },
130 	{ 0x1010, 0xa433 },
131 	{ 0x1020, 0x0000 },
132 	{ 0x1200, 0x5a01 },
133 	{ 0x1202, 0x6524 },
134 	{ 0x1204, 0x1f00 },
135 	{ 0x1206, 0x0000 },
136 	{ 0x1208, 0x0000 },
137 	{ 0x120a, 0x0000 },
138 	{ 0x120c, 0x0000 },
139 	{ 0x120e, 0x0000 },
140 	{ 0x1210, 0x0000 },
141 	{ 0x1212, 0x0000 },
142 	{ 0x1300, 0x10a1 },
143 	{ 0x1302, 0x12ff },
144 	{ 0x1304, 0x0400 },
145 	{ 0x1305, 0x0844 },
146 	{ 0x1306, 0x4611 },
147 	{ 0x1308, 0x555e },
148 	{ 0x130a, 0x0000 },
149 	{ 0x130c, 0x2000 },
150 	{ 0x130e, 0x0100 },
151 	{ 0x130f, 0x0001 },
152 	{ 0x1310, 0x0000 },
153 	{ 0x1312, 0x0000 },
154 	{ 0x1314, 0x0000 },
155 	{ 0x1316, 0x0000 },
156 	{ 0x1318, 0x0000 },
157 	{ 0x131a, 0x0000 },
158 	{ 0x1322, 0x0029 },
159 	{ 0x1323, 0x4a52 },
160 	{ 0x1324, 0x002c },
161 	{ 0x1325, 0x0b02 },
162 	{ 0x1326, 0x002d },
163 	{ 0x1327, 0x6b5a },
164 	{ 0x1328, 0x002e },
165 	{ 0x1329, 0xcbb2 },
166 	{ 0x132a, 0x0030 },
167 	{ 0x132b, 0x2c0b },
168 	{ 0x1330, 0x0031 },
169 	{ 0x1331, 0x8c63 },
170 	{ 0x1332, 0x0032 },
171 	{ 0x1333, 0xecbb },
172 	{ 0x1334, 0x0034 },
173 	{ 0x1335, 0x4d13 },
174 	{ 0x1336, 0x0037 },
175 	{ 0x1337, 0x0dc3 },
176 	{ 0x1338, 0x003d },
177 	{ 0x1339, 0xef7b },
178 	{ 0x133a, 0x0044 },
179 	{ 0x133b, 0xd134 },
180 	{ 0x133c, 0x0047 },
181 	{ 0x133d, 0x91e4 },
182 	{ 0x133e, 0x004d },
183 	{ 0x133f, 0xc370 },
184 	{ 0x1340, 0x0053 },
185 	{ 0x1341, 0xf4fd },
186 	{ 0x1342, 0x0060 },
187 	{ 0x1343, 0x5816 },
188 	{ 0x1344, 0x006c },
189 	{ 0x1345, 0xbb2e },
190 	{ 0x1346, 0x0072 },
191 	{ 0x1347, 0xecbb },
192 	{ 0x1348, 0x0076 },
193 	{ 0x1349, 0x5d97 },
194 };
195 
196 static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
197 {
198 	switch (reg) {
199 	case RT1015_RESET:
200 	case RT1015_CLK_DET:
201 	case RT1015_SIL_DET:
202 	case RT1015_VER_ID:
203 	case RT1015_VENDOR_ID:
204 	case RT1015_DEVICE_ID:
205 	case RT1015_PRO_ALT:
206 	case RT1015_DAC3:
207 	case RT1015_VBAT_TEST_OUT1:
208 	case RT1015_VBAT_TEST_OUT2:
209 	case RT1015_VBAT_PROT_ATT:
210 	case RT1015_VBAT_DET_CODE:
211 	case RT1015_SMART_BST_CTRL1:
212 	case RT1015_SPK_DC_DETECT1:
213 	case RT1015_SPK_DC_DETECT4:
214 	case RT1015_SPK_DC_DETECT5:
215 	case RT1015_DC_CALIB_CLSD1:
216 	case RT1015_DC_CALIB_CLSD5:
217 	case RT1015_DC_CALIB_CLSD6:
218 	case RT1015_DC_CALIB_CLSD7:
219 	case RT1015_DC_CALIB_CLSD8:
220 	case RT1015_S_BST_TIMING_INTER1:
221 	case RT1015_OSCK_STA:
222 	case RT1015_MONO_DYNA_CTRL1:
223 	case RT1015_MONO_DYNA_CTRL5:
224 		return true;
225 
226 	default:
227 		return false;
228 	}
229 }
230 
231 static bool rt1015_readable_register(struct device *dev, unsigned int reg)
232 {
233 	switch (reg) {
234 	case RT1015_RESET:
235 	case RT1015_CLK2:
236 	case RT1015_CLK3:
237 	case RT1015_PLL1:
238 	case RT1015_PLL2:
239 	case RT1015_DUM_RW1:
240 	case RT1015_DUM_RW2:
241 	case RT1015_DUM_RW3:
242 	case RT1015_DUM_RW4:
243 	case RT1015_DUM_RW5:
244 	case RT1015_DUM_RW6:
245 	case RT1015_CLK_DET:
246 	case RT1015_SIL_DET:
247 	case RT1015_CUSTOMER_ID:
248 	case RT1015_PCODE_FWVER:
249 	case RT1015_VER_ID:
250 	case RT1015_VENDOR_ID:
251 	case RT1015_DEVICE_ID:
252 	case RT1015_PAD_DRV1:
253 	case RT1015_PAD_DRV2:
254 	case RT1015_GAT_BOOST:
255 	case RT1015_PRO_ALT:
256 	case RT1015_OSCK_STA:
257 	case RT1015_MAN_I2C:
258 	case RT1015_DAC1:
259 	case RT1015_DAC2:
260 	case RT1015_DAC3:
261 	case RT1015_ADC1:
262 	case RT1015_ADC2:
263 	case RT1015_TDM_MASTER:
264 	case RT1015_TDM_TCON:
265 	case RT1015_TDM1_1:
266 	case RT1015_TDM1_2:
267 	case RT1015_TDM1_3:
268 	case RT1015_TDM1_4:
269 	case RT1015_TDM1_5:
270 	case RT1015_MIXER1:
271 	case RT1015_MIXER2:
272 	case RT1015_ANA_PROTECT1:
273 	case RT1015_ANA_CTRL_SEQ1:
274 	case RT1015_ANA_CTRL_SEQ2:
275 	case RT1015_VBAT_DET_DEB:
276 	case RT1015_VBAT_VOLT_DET1:
277 	case RT1015_VBAT_VOLT_DET2:
278 	case RT1015_VBAT_TEST_OUT1:
279 	case RT1015_VBAT_TEST_OUT2:
280 	case RT1015_VBAT_PROT_ATT:
281 	case RT1015_VBAT_DET_CODE:
282 	case RT1015_PWR1:
283 	case RT1015_PWR4:
284 	case RT1015_PWR5:
285 	case RT1015_PWR6:
286 	case RT1015_PWR7:
287 	case RT1015_PWR8:
288 	case RT1015_PWR9:
289 	case RT1015_CLASSD_SEQ:
290 	case RT1015_SMART_BST_CTRL1:
291 	case RT1015_SMART_BST_CTRL2:
292 	case RT1015_ANA_CTRL1:
293 	case RT1015_ANA_CTRL2:
294 	case RT1015_PWR_STATE_CTRL:
295 	case RT1015_MONO_DYNA_CTRL:
296 	case RT1015_MONO_DYNA_CTRL1:
297 	case RT1015_MONO_DYNA_CTRL2:
298 	case RT1015_MONO_DYNA_CTRL3:
299 	case RT1015_MONO_DYNA_CTRL4:
300 	case RT1015_MONO_DYNA_CTRL5:
301 	case RT1015_SPK_VOL:
302 	case RT1015_SHORT_DETTOP1:
303 	case RT1015_SHORT_DETTOP2:
304 	case RT1015_SPK_DC_DETECT1:
305 	case RT1015_SPK_DC_DETECT2:
306 	case RT1015_SPK_DC_DETECT3:
307 	case RT1015_SPK_DC_DETECT4:
308 	case RT1015_SPK_DC_DETECT5:
309 	case RT1015_BAT_RPO_STEP1:
310 	case RT1015_BAT_RPO_STEP2:
311 	case RT1015_BAT_RPO_STEP3:
312 	case RT1015_BAT_RPO_STEP4:
313 	case RT1015_BAT_RPO_STEP5:
314 	case RT1015_BAT_RPO_STEP6:
315 	case RT1015_BAT_RPO_STEP7:
316 	case RT1015_BAT_RPO_STEP8:
317 	case RT1015_BAT_RPO_STEP9:
318 	case RT1015_BAT_RPO_STEP10:
319 	case RT1015_BAT_RPO_STEP11:
320 	case RT1015_BAT_RPO_STEP12:
321 	case RT1015_SPREAD_SPEC1:
322 	case RT1015_SPREAD_SPEC2:
323 	case RT1015_PAD_STATUS:
324 	case RT1015_PADS_PULLING_CTRL1:
325 	case RT1015_PADS_DRIVING:
326 	case RT1015_SYS_RST1:
327 	case RT1015_SYS_RST2:
328 	case RT1015_SYS_GATING1:
329 	case RT1015_TEST_MODE1:
330 	case RT1015_TEST_MODE2:
331 	case RT1015_TIMING_CTRL1:
332 	case RT1015_PLL_INT:
333 	case RT1015_TEST_OUT1:
334 	case RT1015_DC_CALIB_CLSD1:
335 	case RT1015_DC_CALIB_CLSD2:
336 	case RT1015_DC_CALIB_CLSD3:
337 	case RT1015_DC_CALIB_CLSD4:
338 	case RT1015_DC_CALIB_CLSD5:
339 	case RT1015_DC_CALIB_CLSD6:
340 	case RT1015_DC_CALIB_CLSD7:
341 	case RT1015_DC_CALIB_CLSD8:
342 	case RT1015_DC_CALIB_CLSD9:
343 	case RT1015_DC_CALIB_CLSD10:
344 	case RT1015_CLSD_INTERNAL1:
345 	case RT1015_CLSD_INTERNAL2:
346 	case RT1015_CLSD_INTERNAL3:
347 	case RT1015_CLSD_INTERNAL4:
348 	case RT1015_CLSD_INTERNAL5:
349 	case RT1015_CLSD_INTERNAL6:
350 	case RT1015_CLSD_INTERNAL7:
351 	case RT1015_CLSD_INTERNAL8:
352 	case RT1015_CLSD_INTERNAL9:
353 	case RT1015_CLSD_OCP_CTRL:
354 	case RT1015_VREF_LV:
355 	case RT1015_MBIAS1:
356 	case RT1015_MBIAS2:
357 	case RT1015_MBIAS3:
358 	case RT1015_MBIAS4:
359 	case RT1015_VREF_LV1:
360 	case RT1015_S_BST_TIMING_INTER1:
361 	case RT1015_S_BST_TIMING_INTER2:
362 	case RT1015_S_BST_TIMING_INTER3:
363 	case RT1015_S_BST_TIMING_INTER4:
364 	case RT1015_S_BST_TIMING_INTER5:
365 	case RT1015_S_BST_TIMING_INTER6:
366 	case RT1015_S_BST_TIMING_INTER7:
367 	case RT1015_S_BST_TIMING_INTER8:
368 	case RT1015_S_BST_TIMING_INTER9:
369 	case RT1015_S_BST_TIMING_INTER10:
370 	case RT1015_S_BST_TIMING_INTER11:
371 	case RT1015_S_BST_TIMING_INTER12:
372 	case RT1015_S_BST_TIMING_INTER13:
373 	case RT1015_S_BST_TIMING_INTER14:
374 	case RT1015_S_BST_TIMING_INTER15:
375 	case RT1015_S_BST_TIMING_INTER16:
376 	case RT1015_S_BST_TIMING_INTER17:
377 	case RT1015_S_BST_TIMING_INTER18:
378 	case RT1015_S_BST_TIMING_INTER19:
379 	case RT1015_S_BST_TIMING_INTER20:
380 	case RT1015_S_BST_TIMING_INTER21:
381 	case RT1015_S_BST_TIMING_INTER22:
382 	case RT1015_S_BST_TIMING_INTER23:
383 	case RT1015_S_BST_TIMING_INTER24:
384 	case RT1015_S_BST_TIMING_INTER25:
385 	case RT1015_S_BST_TIMING_INTER26:
386 	case RT1015_S_BST_TIMING_INTER27:
387 	case RT1015_S_BST_TIMING_INTER28:
388 	case RT1015_S_BST_TIMING_INTER29:
389 	case RT1015_S_BST_TIMING_INTER30:
390 	case RT1015_S_BST_TIMING_INTER31:
391 	case RT1015_S_BST_TIMING_INTER32:
392 	case RT1015_S_BST_TIMING_INTER33:
393 	case RT1015_S_BST_TIMING_INTER34:
394 	case RT1015_S_BST_TIMING_INTER35:
395 	case RT1015_S_BST_TIMING_INTER36:
396 		return true;
397 
398 	default:
399 		return false;
400 	}
401 }
402 
403 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
404 
405 static const char * const rt1015_din_source_select[] = {
406 	"Left",
407 	"Right",
408 	"Left + Right average",
409 };
410 
411 static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
412 	rt1015_din_source_select);
413 
414 static const char * const rt1015_boost_mode[] = {
415 	"Bypass", "Adaptive", "Fixed Adaptive"
416 };
417 
418 static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
419 	rt1015_boost_mode);
420 
421 static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
422 		struct snd_ctl_elem_value *ucontrol)
423 {
424 	struct snd_soc_component *component =
425 		snd_soc_kcontrol_component(kcontrol);
426 	struct rt1015_priv *rt1015 =
427 		snd_soc_component_get_drvdata(component);
428 
429 	ucontrol->value.integer.value[0] = rt1015->boost_mode;
430 
431 	return 0;
432 }
433 
434 static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
435 		struct snd_ctl_elem_value *ucontrol)
436 {
437 	struct snd_soc_component *component =
438 		snd_soc_kcontrol_component(kcontrol);
439 	struct rt1015_priv *rt1015 =
440 		snd_soc_component_get_drvdata(component);
441 
442 	rt1015->boost_mode = ucontrol->value.integer.value[0];
443 
444 	switch (rt1015->boost_mode) {
445 	case BYPASS:
446 		snd_soc_component_update_bits(component,
447 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
448 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
449 			RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
450 			RT1015_BYPASS_SWRREG_BYPASS);
451 		break;
452 	case ADAPTIVE:
453 		snd_soc_component_update_bits(component,
454 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
455 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
456 			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
457 			RT1015_BYPASS_SWRREG_PASS);
458 		break;
459 	case FIXED_ADAPTIVE:
460 		snd_soc_component_update_bits(component,
461 			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
462 			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
463 			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
464 			RT1015_BYPASS_SWRREG_PASS);
465 		break;
466 	default:
467 		dev_err(component->dev, "Unknown boost control.\n");
468 	}
469 
470 	return 0;
471 }
472 
473 static int rt1015_bypass_boost_get(struct snd_kcontrol *kcontrol,
474 		struct snd_ctl_elem_value *ucontrol)
475 {
476 	struct snd_soc_component *component =
477 		snd_soc_kcontrol_component(kcontrol);
478 	struct rt1015_priv *rt1015 =
479 		snd_soc_component_get_drvdata(component);
480 
481 	ucontrol->value.integer.value[0] = rt1015->bypass_boost;
482 
483 	return 0;
484 }
485 
486 static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
487 		struct snd_ctl_elem_value *ucontrol)
488 {
489 	struct snd_soc_component *component =
490 		snd_soc_kcontrol_component(kcontrol);
491 	struct rt1015_priv *rt1015 =
492 		snd_soc_component_get_drvdata(component);
493 
494 	if (!rt1015->dac_is_used) {
495 		rt1015->bypass_boost = ucontrol->value.integer.value[0];
496 		if (rt1015->bypass_boost == 1) {
497 			snd_soc_component_write(component,
498 				RT1015_PWR4, 0x00b2);
499 			snd_soc_component_write(component,
500 				RT1015_CLSD_INTERNAL8, 0x2008);
501 			snd_soc_component_write(component,
502 				RT1015_CLSD_INTERNAL9, 0x0140);
503 			snd_soc_component_write(component,
504 				RT1015_GAT_BOOST, 0x0efe);
505 			snd_soc_component_write(component,
506 				RT1015_PWR_STATE_CTRL, 0x000d);
507 			msleep(500);
508 			snd_soc_component_write(component,
509 				RT1015_PWR_STATE_CTRL, 0x000e);
510 		}
511 	} else
512 		dev_err(component->dev, "DAC is being used!\n");
513 
514 	return 0;
515 }
516 
517 static const struct snd_kcontrol_new rt1015_snd_controls[] = {
518 	SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
519 		127, 0, dac_vol_tlv),
520 	SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
521 		RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
522 	SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
523 		rt1015_boost_mode_get, rt1015_boost_mode_put),
524 	SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
525 	SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
526 		rt1015_bypass_boost_get, rt1015_bypass_boost_put),
527 };
528 
529 static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
530 			 struct snd_soc_dapm_widget *sink)
531 {
532 	struct snd_soc_component *component =
533 		snd_soc_dapm_to_component(source->dapm);
534 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
535 
536 	if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
537 		return 1;
538 	else
539 		return 0;
540 }
541 
542 static int r1015_dac_event(struct snd_soc_dapm_widget *w,
543 	struct snd_kcontrol *kcontrol, int event)
544 {
545 	struct snd_soc_component *component =
546 		snd_soc_dapm_to_component(w->dapm);
547 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
548 
549 	switch (event) {
550 	case SND_SOC_DAPM_PRE_PMU:
551 		rt1015->dac_is_used = 1;
552 		if (rt1015->bypass_boost == 0) {
553 			snd_soc_component_write(component,
554 				RT1015_SYS_RST1, 0x05f7);
555 			snd_soc_component_write(component,
556 				RT1015_GAT_BOOST, 0xacfe);
557 			snd_soc_component_write(component,
558 				RT1015_PWR9, 0xaa00);
559 			snd_soc_component_write(component,
560 				RT1015_GAT_BOOST, 0xecfe);
561 		} else {
562 			snd_soc_component_write(component,
563 				RT1015_SYS_RST1, 0x05f7);
564 			snd_soc_component_write(component,
565 				RT1015_PWR_STATE_CTRL, 0x026e);
566 		}
567 		break;
568 
569 	case SND_SOC_DAPM_POST_PMD:
570 		if (rt1015->bypass_boost == 0) {
571 			snd_soc_component_write(component,
572 				RT1015_PWR9, 0xa800);
573 			snd_soc_component_write(component,
574 				RT1015_SYS_RST1, 0x05f5);
575 		} else {
576 			snd_soc_component_write(component,
577 				RT1015_PWR_STATE_CTRL, 0x0268);
578 			snd_soc_component_write(component,
579 				RT1015_SYS_RST1, 0x05f5);
580 		}
581 		rt1015->dac_is_used = 0;
582 		break;
583 
584 	default:
585 		break;
586 	}
587 	return 0;
588 }
589 
590 static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
591 	SND_SOC_DAPM_SUPPLY("LDO2", RT1015_PWR1, RT1015_PWR_LDO2_BIT, 0,
592 		NULL, 0),
593 	SND_SOC_DAPM_SUPPLY("INT RC CLK", RT1015_PWR1, RT1015_PWR_INTCLK_BIT,
594 		0, NULL, 0),
595 	SND_SOC_DAPM_SUPPLY("ISENSE", RT1015_PWR1, RT1015_PWR_ISENSE_BIT, 0,
596 		NULL, 0),
597 	SND_SOC_DAPM_SUPPLY("VSENSE", RT1015_PWR1, RT1015_PWR_VSENSE_BIT, 0,
598 		NULL, 0),
599 	SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
600 		NULL, 0),
601 	SND_SOC_DAPM_SUPPLY("BG1 BG2", RT1015_PWR1, RT1015_PWR_BG_1_2_BIT, 0,
602 		NULL, 0),
603 	SND_SOC_DAPM_SUPPLY("MBIAS BG", RT1015_PWR1, RT1015_PWR_MBIAS_BG_BIT, 0,
604 		NULL, 0),
605 	SND_SOC_DAPM_SUPPLY("VBAT", RT1015_PWR1, RT1015_PWR_VBAT_BIT, 0, NULL,
606 		0),
607 	SND_SOC_DAPM_SUPPLY("MBIAS", RT1015_PWR1, RT1015_PWR_MBIAS_BIT, 0,
608 		NULL, 0),
609 	SND_SOC_DAPM_SUPPLY("ADCV", RT1015_PWR1, RT1015_PWR_ADCV_BIT, 0, NULL,
610 		0),
611 	SND_SOC_DAPM_SUPPLY("MIXERV", RT1015_PWR1, RT1015_PWR_MIXERV_BIT, 0,
612 		NULL, 0),
613 	SND_SOC_DAPM_SUPPLY("SUMV", RT1015_PWR1, RT1015_PWR_SUMV_BIT, 0, NULL,
614 		0),
615 	SND_SOC_DAPM_SUPPLY("VREFLV", RT1015_PWR1, RT1015_PWR_VREFLV_BIT, 0,
616 		NULL, 0),
617 
618 	SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
619 	SND_SOC_DAPM_DAC_E("DAC", NULL, RT1015_PWR1, RT1015_PWR_DAC_BIT, 0,
620 		r1015_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
621 
622 	SND_SOC_DAPM_OUTPUT("SPO"),
623 };
624 
625 static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
626 	{ "DAC", NULL, "AIFRX" },
627 	{ "DAC", NULL, "LDO2" },
628 	{ "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
629 	{ "DAC", NULL, "INT RC CLK" },
630 	{ "DAC", NULL, "ISENSE" },
631 	{ "DAC", NULL, "VSENSE" },
632 	{ "DAC", NULL, "BG1 BG2" },
633 	{ "DAC", NULL, "MBIAS BG" },
634 	{ "DAC", NULL, "VBAT" },
635 	{ "DAC", NULL, "MBIAS" },
636 	{ "DAC", NULL, "ADCV" },
637 	{ "DAC", NULL, "MIXERV" },
638 	{ "DAC", NULL, "SUMV" },
639 	{ "DAC", NULL, "VREFLV" },
640 	{ "SPO", NULL, "DAC" },
641 };
642 
643 static int rt1015_hw_params(struct snd_pcm_substream *substream,
644 	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
645 {
646 	struct snd_soc_component *component = dai->component;
647 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
648 	int pre_div, bclk_ms, frame_size;
649 	unsigned int val_len = 0;
650 
651 	rt1015->lrck = params_rate(params);
652 	pre_div = rl6231_get_clk_info(rt1015->sysclk, rt1015->lrck);
653 	if (pre_div < 0) {
654 		dev_err(component->dev, "Unsupported clock rate\n");
655 		return -EINVAL;
656 	}
657 
658 	frame_size = snd_soc_params_to_frame_size(params);
659 	if (frame_size < 0) {
660 		dev_err(component->dev, "Unsupported frame size: %d\n",
661 			frame_size);
662 		return -EINVAL;
663 	}
664 
665 	bclk_ms = frame_size > 32;
666 	rt1015->bclk = rt1015->lrck * (32 << bclk_ms);
667 
668 	dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
669 				bclk_ms, pre_div, dai->id);
670 
671 	dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
672 				rt1015->lrck, pre_div, dai->id);
673 
674 	switch (params_width(params)) {
675 	case 16:
676 		break;
677 	case 20:
678 		val_len = RT1015_I2S_DL_20;
679 		break;
680 	case 24:
681 		val_len = RT1015_I2S_DL_24;
682 		break;
683 	case 8:
684 		val_len = RT1015_I2S_DL_8;
685 		break;
686 	default:
687 		return -EINVAL;
688 	}
689 
690 	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
691 		RT1015_I2S_DL_MASK, val_len);
692 	snd_soc_component_update_bits(component, RT1015_CLK2,
693 		RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
694 
695 	return 0;
696 }
697 
698 static int rt1015_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
699 {
700 	struct snd_soc_component *component = dai->component;
701 	unsigned int reg_val = 0, reg_val2 = 0;
702 
703 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
704 	case SND_SOC_DAIFMT_CBM_CFM:
705 		reg_val |= RT1015_TCON_TDM_MS_M;
706 		break;
707 	case SND_SOC_DAIFMT_CBS_CFS:
708 		reg_val |= RT1015_TCON_TDM_MS_S;
709 		break;
710 	default:
711 		return -EINVAL;
712 	}
713 
714 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
715 	case SND_SOC_DAIFMT_NB_NF:
716 		break;
717 	case SND_SOC_DAIFMT_IB_NF:
718 		reg_val2 |= RT1015_TDM_INV_BCLK;
719 		break;
720 	default:
721 		return -EINVAL;
722 	}
723 
724 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
725 	case SND_SOC_DAIFMT_I2S:
726 		break;
727 
728 	case SND_SOC_DAIFMT_LEFT_J:
729 		reg_val |= RT1015_I2S_M_DF_LEFT;
730 		break;
731 
732 	case SND_SOC_DAIFMT_DSP_A:
733 		reg_val |= RT1015_I2S_M_DF_PCM_A;
734 		break;
735 
736 	case SND_SOC_DAIFMT_DSP_B:
737 		reg_val |= RT1015_I2S_M_DF_PCM_B;
738 		break;
739 
740 	default:
741 		return -EINVAL;
742 	}
743 
744 	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
745 			RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
746 			reg_val);
747 	snd_soc_component_update_bits(component, RT1015_TDM1_1,
748 			RT1015_TDM_INV_BCLK_MASK, reg_val2);
749 
750 	return 0;
751 }
752 
753 static int rt1015_set_component_sysclk(struct snd_soc_component *component,
754 		int clk_id, int source, unsigned int freq, int dir)
755 {
756 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
757 	unsigned int reg_val = 0;
758 
759 	if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
760 		return 0;
761 
762 	switch (clk_id) {
763 	case RT1015_SCLK_S_MCLK:
764 		reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
765 		break;
766 
767 	case RT1015_SCLK_S_PLL:
768 		reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
769 		break;
770 
771 	default:
772 		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
773 		return -EINVAL;
774 	}
775 
776 	rt1015->sysclk = freq;
777 	rt1015->sysclk_src = clk_id;
778 
779 	dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
780 		freq, clk_id);
781 
782 	snd_soc_component_update_bits(component, RT1015_CLK2,
783 			RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
784 
785 	return 0;
786 }
787 
788 static int rt1015_set_component_pll(struct snd_soc_component *component,
789 		int pll_id, int source, unsigned int freq_in,
790 		unsigned int freq_out)
791 {
792 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
793 	struct rl6231_pll_code pll_code;
794 	int ret;
795 
796 	if (!freq_in || !freq_out) {
797 		dev_dbg(component->dev, "PLL disabled\n");
798 
799 		rt1015->pll_in = 0;
800 		rt1015->pll_out = 0;
801 
802 		return 0;
803 	}
804 
805 	if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
806 		freq_out == rt1015->pll_out)
807 		return 0;
808 
809 	if (source == RT1015_PLL_S_BCLK) {
810 		if (rt1015->bclk_ratio == 0) {
811 			dev_err(component->dev,
812 				"Can not support bclk ratio as 0.\n");
813 			return -EINVAL;
814 		}
815 	}
816 
817 	switch (source) {
818 	case RT1015_PLL_S_MCLK:
819 		snd_soc_component_update_bits(component, RT1015_CLK2,
820 			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
821 		break;
822 
823 	case RT1015_PLL_S_BCLK:
824 		snd_soc_component_update_bits(component, RT1015_CLK2,
825 			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
826 		break;
827 
828 	default:
829 		dev_err(component->dev, "Unknown PLL Source %d\n", source);
830 		return -EINVAL;
831 	}
832 
833 	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
834 	if (ret < 0) {
835 		dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
836 		return ret;
837 	}
838 
839 	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
840 		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
841 		pll_code.n_code, pll_code.k_code);
842 
843 	snd_soc_component_write(component, RT1015_PLL1,
844 		(pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT |
845 		pll_code.m_bp << RT1015_PLL_M_BP_SFT | pll_code.n_code);
846 	snd_soc_component_write(component, RT1015_PLL2,
847 		pll_code.k_code);
848 
849 	rt1015->pll_in = freq_in;
850 	rt1015->pll_out = freq_out;
851 	rt1015->pll_src = source;
852 
853 	return 0;
854 }
855 
856 static int rt1015_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
857 {
858 	struct snd_soc_component *component = dai->component;
859 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
860 
861 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
862 
863 	rt1015->bclk_ratio = ratio;
864 
865 	if (ratio == 50) {
866 		dev_dbg(component->dev, "Unsupport bclk ratio\n");
867 		return -EINVAL;
868 	}
869 
870 	return 0;
871 }
872 
873 static int rt1015_probe(struct snd_soc_component *component)
874 {
875 	struct rt1015_priv *rt1015 =
876 		snd_soc_component_get_drvdata(component);
877 
878 	rt1015->component = component;
879 	rt1015->bclk_ratio = 0;
880 	snd_soc_component_write(component, RT1015_BAT_RPO_STEP1, 0x061c);
881 
882 	return 0;
883 }
884 
885 static void rt1015_remove(struct snd_soc_component *component)
886 {
887 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
888 
889 	regmap_write(rt1015->regmap, RT1015_RESET, 0);
890 }
891 
892 #define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
893 #define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
894 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
895 
896 static struct snd_soc_dai_ops rt1015_aif_dai_ops = {
897 	.hw_params = rt1015_hw_params,
898 	.set_fmt = rt1015_set_dai_fmt,
899 	.set_bclk_ratio = rt1015_set_bclk_ratio,
900 };
901 
902 static struct snd_soc_dai_driver rt1015_dai[] = {
903 	{
904 		.name = "rt1015-aif",
905 		.id = 0,
906 		.playback = {
907 			.stream_name = "AIF Playback",
908 			.channels_min = 1,
909 			.channels_max = 4,
910 			.rates = RT1015_STEREO_RATES,
911 			.formats = RT1015_FORMATS,
912 		},
913 		.ops = &rt1015_aif_dai_ops,
914 	}
915 };
916 
917 #ifdef CONFIG_PM
918 static int rt1015_suspend(struct snd_soc_component *component)
919 {
920 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
921 
922 	regcache_cache_only(rt1015->regmap, true);
923 	regcache_mark_dirty(rt1015->regmap);
924 
925 	return 0;
926 }
927 
928 static int rt1015_resume(struct snd_soc_component *component)
929 {
930 	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
931 
932 	regcache_cache_only(rt1015->regmap, false);
933 	regcache_sync(rt1015->regmap);
934 	return 0;
935 }
936 #else
937 #define rt1015_suspend NULL
938 #define rt1015_resume NULL
939 #endif
940 
941 static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
942 	.probe = rt1015_probe,
943 	.remove = rt1015_remove,
944 	.suspend = rt1015_suspend,
945 	.resume = rt1015_resume,
946 	.controls = rt1015_snd_controls,
947 	.num_controls = ARRAY_SIZE(rt1015_snd_controls),
948 	.dapm_widgets = rt1015_dapm_widgets,
949 	.num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
950 	.dapm_routes = rt1015_dapm_routes,
951 	.num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
952 	.set_sysclk = rt1015_set_component_sysclk,
953 	.set_pll = rt1015_set_component_pll,
954 	.use_pmdown_time	= 1,
955 	.endianness		= 1,
956 	.non_legacy_dai_naming	= 1,
957 };
958 
959 static const struct regmap_config rt1015_regmap = {
960 	.reg_bits = 16,
961 	.val_bits = 16,
962 	.max_register = RT1015_S_BST_TIMING_INTER36,
963 	.volatile_reg = rt1015_volatile_register,
964 	.readable_reg = rt1015_readable_register,
965 	.cache_type = REGCACHE_RBTREE,
966 	.reg_defaults = rt1015_reg,
967 	.num_reg_defaults = ARRAY_SIZE(rt1015_reg),
968 };
969 
970 static const struct i2c_device_id rt1015_i2c_id[] = {
971 	{ "rt1015", 0 },
972 	{ }
973 };
974 MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
975 
976 #if defined(CONFIG_OF)
977 static const struct of_device_id rt1015_of_match[] = {
978 	{ .compatible = "realtek,rt1015", },
979 	{},
980 };
981 MODULE_DEVICE_TABLE(of, rt1015_of_match);
982 #endif
983 
984 #ifdef CONFIG_ACPI
985 static struct acpi_device_id rt1015_acpi_match[] = {
986 	{"10EC1015", 0,},
987 	{},
988 };
989 MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
990 #endif
991 
992 static int rt1015_i2c_probe(struct i2c_client *i2c,
993 	const struct i2c_device_id *id)
994 {
995 	struct rt1015_priv *rt1015;
996 	int ret;
997 	unsigned int val;
998 
999 	rt1015 = devm_kzalloc(&i2c->dev, sizeof(struct rt1015_priv),
1000 				GFP_KERNEL);
1001 	if (rt1015 == NULL)
1002 		return -ENOMEM;
1003 
1004 	i2c_set_clientdata(i2c, rt1015);
1005 
1006 	rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
1007 	if (IS_ERR(rt1015->regmap)) {
1008 		ret = PTR_ERR(rt1015->regmap);
1009 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1010 			ret);
1011 		return ret;
1012 	}
1013 
1014 	regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
1015 	if ((val != RT1015_DEVICE_ID_VAL) && (val != RT1015_DEVICE_ID_VAL2)) {
1016 		dev_err(&i2c->dev,
1017 			"Device with ID register %x is not rt1015\n", val);
1018 		return -ENODEV;
1019 	}
1020 
1021 	return devm_snd_soc_register_component(&i2c->dev,
1022 		&soc_component_dev_rt1015,
1023 		rt1015_dai, ARRAY_SIZE(rt1015_dai));
1024 }
1025 
1026 static void rt1015_i2c_shutdown(struct i2c_client *client)
1027 {
1028 	struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
1029 
1030 	regmap_write(rt1015->regmap, RT1015_RESET, 0);
1031 }
1032 
1033 static struct i2c_driver rt1015_i2c_driver = {
1034 	.driver = {
1035 		.name = "rt1015",
1036 		.of_match_table = of_match_ptr(rt1015_of_match),
1037 		.acpi_match_table = ACPI_PTR(rt1015_acpi_match),
1038 	},
1039 	.probe = rt1015_i2c_probe,
1040 	.shutdown = rt1015_i2c_shutdown,
1041 	.id_table = rt1015_i2c_id,
1042 };
1043 module_i2c_driver(rt1015_i2c_driver);
1044 
1045 MODULE_DESCRIPTION("ASoC RT1015 driver");
1046 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1047 MODULE_LICENSE("GPL v2");
1048