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/i2c.h>
16#include <linux/init.h>
17#include <linux/module.h>
18#include <linux/moduleparam.h>
19#include <linux/platform_device.h>
20#include <linux/pm.h>
21#include <linux/regmap.h>
22#include <sound/core.h>
23#include <sound/initval.h>
24#include <sound/pcm.h>
25#include <sound/pcm_params.h>
26#include <sound/rt1015.h>
27#include <sound/soc-dapm.h>
28#include <sound/soc.h>
29#include <sound/tlv.h>
30
31#include "rl6231.h"
32#include "rt1015.h"
33
34static const struct rt1015_platform_data i2s_default_platform_data = {
35	.power_up_delay_ms = 50,
36};
37
38static const struct reg_default rt1015_reg[] = {
39	{ 0x0000, 0x0000 },
40	{ 0x0004, 0xa000 },
41	{ 0x0006, 0x0003 },
42	{ 0x000a, 0x081e },
43	{ 0x000c, 0x0006 },
44	{ 0x000e, 0x0000 },
45	{ 0x0010, 0x0000 },
46	{ 0x0012, 0x0000 },
47	{ 0x0014, 0x0000 },
48	{ 0x0016, 0x0000 },
49	{ 0x0018, 0x0000 },
50	{ 0x0020, 0x8000 },
51	{ 0x0022, 0x8043 },
52	{ 0x0076, 0x0000 },
53	{ 0x0078, 0x0000 },
54	{ 0x007a, 0x0002 },
55	{ 0x007c, 0x10ec },
56	{ 0x007d, 0x1015 },
57	{ 0x00f0, 0x5000 },
58	{ 0x00f2, 0x004c },
59	{ 0x00f3, 0xecfe },
60	{ 0x00f4, 0x0000 },
61	{ 0x00f6, 0x0400 },
62	{ 0x0100, 0x0028 },
63	{ 0x0102, 0xff02 },
64	{ 0x0104, 0xa213 },
65	{ 0x0106, 0x200c },
66	{ 0x010c, 0x0000 },
67	{ 0x010e, 0x0058 },
68	{ 0x0111, 0x0200 },
69	{ 0x0112, 0x0400 },
70	{ 0x0114, 0x0022 },
71	{ 0x0116, 0x0000 },
72	{ 0x0118, 0x0000 },
73	{ 0x011a, 0x0123 },
74	{ 0x011c, 0x4567 },
75	{ 0x0300, 0x203d },
76	{ 0x0302, 0x001e },
77	{ 0x0311, 0x0000 },
78	{ 0x0313, 0x6014 },
79	{ 0x0314, 0x00a2 },
80	{ 0x031a, 0x00a0 },
81	{ 0x031c, 0x001f },
82	{ 0x031d, 0xffff },
83	{ 0x031e, 0x0000 },
84	{ 0x031f, 0x0000 },
85	{ 0x0320, 0x0000 },
86	{ 0x0321, 0x0000 },
87	{ 0x0322, 0xd7df },
88	{ 0x0328, 0x10b2 },
89	{ 0x0329, 0x0175 },
90	{ 0x032a, 0x36ad },
91	{ 0x032b, 0x7e55 },
92	{ 0x032c, 0x0520 },
93	{ 0x032d, 0xaa00 },
94	{ 0x032e, 0x570e },
95	{ 0x0330, 0xe180 },
96	{ 0x0332, 0x0034 },
97	{ 0x0334, 0x0001 },
98	{ 0x0336, 0x0010 },
99	{ 0x0338, 0x0000 },
100	{ 0x04fa, 0x0030 },
101	{ 0x04fc, 0x35c8 },
102	{ 0x04fe, 0x0800 },
103	{ 0x0500, 0x0400 },
104	{ 0x0502, 0x1000 },
105	{ 0x0504, 0x0000 },
106	{ 0x0506, 0x04ff },
107	{ 0x0508, 0x0010 },
108	{ 0x050a, 0x001a },
109	{ 0x0519, 0x1c68 },
110	{ 0x051a, 0x0ccc },
111	{ 0x051b, 0x0666 },
112	{ 0x051d, 0x0000 },
113	{ 0x051f, 0x0000 },
114	{ 0x0536, 0x061c },
115	{ 0x0538, 0x0000 },
116	{ 0x053a, 0x0000 },
117	{ 0x053c, 0x0000 },
118	{ 0x053d, 0x0000 },
119	{ 0x053e, 0x0000 },
120	{ 0x053f, 0x0000 },
121	{ 0x0540, 0x0000 },
122	{ 0x0541, 0x0000 },
123	{ 0x0542, 0x0000 },
124	{ 0x0543, 0x0000 },
125	{ 0x0544, 0x0000 },
126	{ 0x0568, 0x0000 },
127	{ 0x056a, 0x0000 },
128	{ 0x1000, 0x0040 },
129	{ 0x1002, 0x5405 },
130	{ 0x1006, 0x5515 },
131	{ 0x1007, 0x05f7 },
132	{ 0x1009, 0x0b0a },
133	{ 0x100a, 0x00ef },
134	{ 0x100d, 0x0003 },
135	{ 0x1010, 0xa433 },
136	{ 0x1020, 0x0000 },
137	{ 0x1200, 0x5a01 },
138	{ 0x1202, 0x6524 },
139	{ 0x1204, 0x1f00 },
140	{ 0x1206, 0x0000 },
141	{ 0x1208, 0x0000 },
142	{ 0x120a, 0x0000 },
143	{ 0x120c, 0x0000 },
144	{ 0x120e, 0x0000 },
145	{ 0x1210, 0x0000 },
146	{ 0x1212, 0x0000 },
147	{ 0x1300, 0x10a1 },
148	{ 0x1302, 0x12ff },
149	{ 0x1304, 0x0400 },
150	{ 0x1305, 0x0844 },
151	{ 0x1306, 0x4611 },
152	{ 0x1308, 0x555e },
153	{ 0x130a, 0x0000 },
154	{ 0x130c, 0x2000 },
155	{ 0x130e, 0x0100 },
156	{ 0x130f, 0x0001 },
157	{ 0x1310, 0x0000 },
158	{ 0x1312, 0x0000 },
159	{ 0x1314, 0x0000 },
160	{ 0x1316, 0x0000 },
161	{ 0x1318, 0x0000 },
162	{ 0x131a, 0x0000 },
163	{ 0x1322, 0x0029 },
164	{ 0x1323, 0x4a52 },
165	{ 0x1324, 0x002c },
166	{ 0x1325, 0x0b02 },
167	{ 0x1326, 0x002d },
168	{ 0x1327, 0x6b5a },
169	{ 0x1328, 0x002e },
170	{ 0x1329, 0xcbb2 },
171	{ 0x132a, 0x0030 },
172	{ 0x132b, 0x2c0b },
173	{ 0x1330, 0x0031 },
174	{ 0x1331, 0x8c63 },
175	{ 0x1332, 0x0032 },
176	{ 0x1333, 0xecbb },
177	{ 0x1334, 0x0034 },
178	{ 0x1335, 0x4d13 },
179	{ 0x1336, 0x0037 },
180	{ 0x1337, 0x0dc3 },
181	{ 0x1338, 0x003d },
182	{ 0x1339, 0xef7b },
183	{ 0x133a, 0x0044 },
184	{ 0x133b, 0xd134 },
185	{ 0x133c, 0x0047 },
186	{ 0x133d, 0x91e4 },
187	{ 0x133e, 0x004d },
188	{ 0x133f, 0xc370 },
189	{ 0x1340, 0x0053 },
190	{ 0x1341, 0xf4fd },
191	{ 0x1342, 0x0060 },
192	{ 0x1343, 0x5816 },
193	{ 0x1344, 0x006c },
194	{ 0x1345, 0xbb2e },
195	{ 0x1346, 0x0072 },
196	{ 0x1347, 0xecbb },
197	{ 0x1348, 0x0076 },
198	{ 0x1349, 0x5d97 },
199};
200
201static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
202{
203	switch (reg) {
204	case RT1015_RESET:
205	case RT1015_CLK_DET:
206	case RT1015_SIL_DET:
207	case RT1015_VER_ID:
208	case RT1015_VENDOR_ID:
209	case RT1015_DEVICE_ID:
210	case RT1015_PRO_ALT:
211	case RT1015_MAN_I2C:
212	case RT1015_DAC3:
213	case RT1015_VBAT_TEST_OUT1:
214	case RT1015_VBAT_TEST_OUT2:
215	case RT1015_VBAT_PROT_ATT:
216	case RT1015_VBAT_DET_CODE:
217	case RT1015_SMART_BST_CTRL1:
218	case RT1015_SPK_DC_DETECT1:
219	case RT1015_SPK_DC_DETECT4:
220	case RT1015_SPK_DC_DETECT5:
221	case RT1015_DC_CALIB_CLSD1:
222	case RT1015_DC_CALIB_CLSD5:
223	case RT1015_DC_CALIB_CLSD6:
224	case RT1015_DC_CALIB_CLSD7:
225	case RT1015_DC_CALIB_CLSD8:
226	case RT1015_S_BST_TIMING_INTER1:
227	case RT1015_OSCK_STA:
228	case RT1015_MONO_DYNA_CTRL1:
229	case RT1015_MONO_DYNA_CTRL5:
230		return true;
231
232	default:
233		return false;
234	}
235}
236
237static bool rt1015_readable_register(struct device *dev, unsigned int reg)
238{
239	switch (reg) {
240	case RT1015_RESET:
241	case RT1015_CLK2:
242	case RT1015_CLK3:
243	case RT1015_PLL1:
244	case RT1015_PLL2:
245	case RT1015_DUM_RW1:
246	case RT1015_DUM_RW2:
247	case RT1015_DUM_RW3:
248	case RT1015_DUM_RW4:
249	case RT1015_DUM_RW5:
250	case RT1015_DUM_RW6:
251	case RT1015_CLK_DET:
252	case RT1015_SIL_DET:
253	case RT1015_CUSTOMER_ID:
254	case RT1015_PCODE_FWVER:
255	case RT1015_VER_ID:
256	case RT1015_VENDOR_ID:
257	case RT1015_DEVICE_ID:
258	case RT1015_PAD_DRV1:
259	case RT1015_PAD_DRV2:
260	case RT1015_GAT_BOOST:
261	case RT1015_PRO_ALT:
262	case RT1015_OSCK_STA:
263	case RT1015_MAN_I2C:
264	case RT1015_DAC1:
265	case RT1015_DAC2:
266	case RT1015_DAC3:
267	case RT1015_ADC1:
268	case RT1015_ADC2:
269	case RT1015_TDM_MASTER:
270	case RT1015_TDM_TCON:
271	case RT1015_TDM1_1:
272	case RT1015_TDM1_2:
273	case RT1015_TDM1_3:
274	case RT1015_TDM1_4:
275	case RT1015_TDM1_5:
276	case RT1015_MIXER1:
277	case RT1015_MIXER2:
278	case RT1015_ANA_PROTECT1:
279	case RT1015_ANA_CTRL_SEQ1:
280	case RT1015_ANA_CTRL_SEQ2:
281	case RT1015_VBAT_DET_DEB:
282	case RT1015_VBAT_VOLT_DET1:
283	case RT1015_VBAT_VOLT_DET2:
284	case RT1015_VBAT_TEST_OUT1:
285	case RT1015_VBAT_TEST_OUT2:
286	case RT1015_VBAT_PROT_ATT:
287	case RT1015_VBAT_DET_CODE:
288	case RT1015_PWR1:
289	case RT1015_PWR4:
290	case RT1015_PWR5:
291	case RT1015_PWR6:
292	case RT1015_PWR7:
293	case RT1015_PWR8:
294	case RT1015_PWR9:
295	case RT1015_CLASSD_SEQ:
296	case RT1015_SMART_BST_CTRL1:
297	case RT1015_SMART_BST_CTRL2:
298	case RT1015_ANA_CTRL1:
299	case RT1015_ANA_CTRL2:
300	case RT1015_PWR_STATE_CTRL:
301	case RT1015_MONO_DYNA_CTRL:
302	case RT1015_MONO_DYNA_CTRL1:
303	case RT1015_MONO_DYNA_CTRL2:
304	case RT1015_MONO_DYNA_CTRL3:
305	case RT1015_MONO_DYNA_CTRL4:
306	case RT1015_MONO_DYNA_CTRL5:
307	case RT1015_SPK_VOL:
308	case RT1015_SHORT_DETTOP1:
309	case RT1015_SHORT_DETTOP2:
310	case RT1015_SPK_DC_DETECT1:
311	case RT1015_SPK_DC_DETECT2:
312	case RT1015_SPK_DC_DETECT3:
313	case RT1015_SPK_DC_DETECT4:
314	case RT1015_SPK_DC_DETECT5:
315	case RT1015_BAT_RPO_STEP1:
316	case RT1015_BAT_RPO_STEP2:
317	case RT1015_BAT_RPO_STEP3:
318	case RT1015_BAT_RPO_STEP4:
319	case RT1015_BAT_RPO_STEP5:
320	case RT1015_BAT_RPO_STEP6:
321	case RT1015_BAT_RPO_STEP7:
322	case RT1015_BAT_RPO_STEP8:
323	case RT1015_BAT_RPO_STEP9:
324	case RT1015_BAT_RPO_STEP10:
325	case RT1015_BAT_RPO_STEP11:
326	case RT1015_BAT_RPO_STEP12:
327	case RT1015_SPREAD_SPEC1:
328	case RT1015_SPREAD_SPEC2:
329	case RT1015_PAD_STATUS:
330	case RT1015_PADS_PULLING_CTRL1:
331	case RT1015_PADS_DRIVING:
332	case RT1015_SYS_RST1:
333	case RT1015_SYS_RST2:
334	case RT1015_SYS_GATING1:
335	case RT1015_TEST_MODE1:
336	case RT1015_TEST_MODE2:
337	case RT1015_TIMING_CTRL1:
338	case RT1015_PLL_INT:
339	case RT1015_TEST_OUT1:
340	case RT1015_DC_CALIB_CLSD1:
341	case RT1015_DC_CALIB_CLSD2:
342	case RT1015_DC_CALIB_CLSD3:
343	case RT1015_DC_CALIB_CLSD4:
344	case RT1015_DC_CALIB_CLSD5:
345	case RT1015_DC_CALIB_CLSD6:
346	case RT1015_DC_CALIB_CLSD7:
347	case RT1015_DC_CALIB_CLSD8:
348	case RT1015_DC_CALIB_CLSD9:
349	case RT1015_DC_CALIB_CLSD10:
350	case RT1015_CLSD_INTERNAL1:
351	case RT1015_CLSD_INTERNAL2:
352	case RT1015_CLSD_INTERNAL3:
353	case RT1015_CLSD_INTERNAL4:
354	case RT1015_CLSD_INTERNAL5:
355	case RT1015_CLSD_INTERNAL6:
356	case RT1015_CLSD_INTERNAL7:
357	case RT1015_CLSD_INTERNAL8:
358	case RT1015_CLSD_INTERNAL9:
359	case RT1015_CLSD_OCP_CTRL:
360	case RT1015_VREF_LV:
361	case RT1015_MBIAS1:
362	case RT1015_MBIAS2:
363	case RT1015_MBIAS3:
364	case RT1015_MBIAS4:
365	case RT1015_VREF_LV1:
366	case RT1015_S_BST_TIMING_INTER1:
367	case RT1015_S_BST_TIMING_INTER2:
368	case RT1015_S_BST_TIMING_INTER3:
369	case RT1015_S_BST_TIMING_INTER4:
370	case RT1015_S_BST_TIMING_INTER5:
371	case RT1015_S_BST_TIMING_INTER6:
372	case RT1015_S_BST_TIMING_INTER7:
373	case RT1015_S_BST_TIMING_INTER8:
374	case RT1015_S_BST_TIMING_INTER9:
375	case RT1015_S_BST_TIMING_INTER10:
376	case RT1015_S_BST_TIMING_INTER11:
377	case RT1015_S_BST_TIMING_INTER12:
378	case RT1015_S_BST_TIMING_INTER13:
379	case RT1015_S_BST_TIMING_INTER14:
380	case RT1015_S_BST_TIMING_INTER15:
381	case RT1015_S_BST_TIMING_INTER16:
382	case RT1015_S_BST_TIMING_INTER17:
383	case RT1015_S_BST_TIMING_INTER18:
384	case RT1015_S_BST_TIMING_INTER19:
385	case RT1015_S_BST_TIMING_INTER20:
386	case RT1015_S_BST_TIMING_INTER21:
387	case RT1015_S_BST_TIMING_INTER22:
388	case RT1015_S_BST_TIMING_INTER23:
389	case RT1015_S_BST_TIMING_INTER24:
390	case RT1015_S_BST_TIMING_INTER25:
391	case RT1015_S_BST_TIMING_INTER26:
392	case RT1015_S_BST_TIMING_INTER27:
393	case RT1015_S_BST_TIMING_INTER28:
394	case RT1015_S_BST_TIMING_INTER29:
395	case RT1015_S_BST_TIMING_INTER30:
396	case RT1015_S_BST_TIMING_INTER31:
397	case RT1015_S_BST_TIMING_INTER32:
398	case RT1015_S_BST_TIMING_INTER33:
399	case RT1015_S_BST_TIMING_INTER34:
400	case RT1015_S_BST_TIMING_INTER35:
401	case RT1015_S_BST_TIMING_INTER36:
402		return true;
403
404	default:
405		return false;
406	}
407}
408
409static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
410
411static const char * const rt1015_din_source_select[] = {
412	"Left",
413	"Right",
414	"Left + Right average",
415};
416
417static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
418	rt1015_din_source_select);
419
420static const char * const rt1015_boost_mode[] = {
421	"Bypass", "Adaptive", "Fixed Adaptive"
422};
423
424static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
425	rt1015_boost_mode);
426
427static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
428		struct snd_ctl_elem_value *ucontrol)
429{
430	struct snd_soc_component *component =
431		snd_soc_kcontrol_component(kcontrol);
432	struct rt1015_priv *rt1015 =
433		snd_soc_component_get_drvdata(component);
434
435	ucontrol->value.integer.value[0] = rt1015->boost_mode;
436
437	return 0;
438}
439
440static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
441		struct snd_ctl_elem_value *ucontrol)
442{
443	struct snd_soc_component *component =
444		snd_soc_kcontrol_component(kcontrol);
445	struct rt1015_priv *rt1015 =
446		snd_soc_component_get_drvdata(component);
447	int boost_mode = ucontrol->value.integer.value[0];
448
449	switch (boost_mode) {
450	case BYPASS:
451		snd_soc_component_update_bits(component,
452			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
453			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
454			RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
455			RT1015_BYPASS_SWRREG_BYPASS);
456		break;
457	case ADAPTIVE:
458		snd_soc_component_update_bits(component,
459			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
460			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
461			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
462			RT1015_BYPASS_SWRREG_PASS);
463		break;
464	case FIXED_ADAPTIVE:
465		snd_soc_component_update_bits(component,
466			RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
467			RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
468			RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
469			RT1015_BYPASS_SWRREG_PASS);
470		break;
471	default:
472		dev_err(component->dev, "Unknown boost control.\n");
473		return -EINVAL;
474	}
475
476	rt1015->boost_mode = boost_mode;
477
478	return 0;
479}
480
481static int rt1015_bypass_boost_get(struct snd_kcontrol *kcontrol,
482		struct snd_ctl_elem_value *ucontrol)
483{
484	struct snd_soc_component *component =
485		snd_soc_kcontrol_component(kcontrol);
486	struct rt1015_priv *rt1015 =
487		snd_soc_component_get_drvdata(component);
488
489	ucontrol->value.integer.value[0] = rt1015->bypass_boost;
490
491	return 0;
492}
493
494static void rt1015_calibrate(struct rt1015_priv *rt1015)
495{
496	struct snd_soc_component *component = rt1015->component;
497	struct regmap *regmap = rt1015->regmap;
498
499	snd_soc_dapm_mutex_lock(&component->dapm);
500	regcache_cache_bypass(regmap, true);
501
502	regmap_write(regmap, RT1015_CLK_DET, 0x0000);
503	regmap_write(regmap, RT1015_PWR4, 0x00B2);
504	regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0009);
505	msleep(100);
506	regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000A);
507	msleep(100);
508	regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000C);
509	msleep(100);
510	regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2028);
511	regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140);
512	regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000D);
513	msleep(300);
514	regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0008);
515	regmap_write(regmap, RT1015_SYS_RST1, 0x05F5);
516	regmap_write(regmap, RT1015_CLK_DET, 0x8000);
517
518	regcache_cache_bypass(regmap, false);
519	regcache_mark_dirty(regmap);
520	regcache_sync(regmap);
521	snd_soc_dapm_mutex_unlock(&component->dapm);
522}
523
524static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
525		struct snd_ctl_elem_value *ucontrol)
526{
527	struct snd_soc_component *component =
528		snd_soc_kcontrol_component(kcontrol);
529	struct rt1015_priv *rt1015 =
530		snd_soc_component_get_drvdata(component);
531
532	if (rt1015->dac_is_used) {
533		dev_err(component->dev, "DAC is being used!\n");
534		return -EBUSY;
535	}
536
537	rt1015->bypass_boost = ucontrol->value.integer.value[0];
538	if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
539			!rt1015->cali_done) {
540		rt1015_calibrate(rt1015);
541		rt1015->cali_done = 1;
542
543		regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
544	}
545
546	return 0;
547}
548
549static const char * const rt1015_dac_output_vol_select[] = {
550	"immediate",
551	"zero detection + immediate change",
552	"zero detection + inc/dec change",
553	"zero detection + soft inc/dec change",
554};
555
556static SOC_ENUM_SINGLE_DECL(rt1015_dac_vol_ctl_enum,
557	RT1015_DAC3, 2, rt1015_dac_output_vol_select);
558
559static const struct snd_kcontrol_new rt1015_snd_controls[] = {
560	SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
561		127, 0, dac_vol_tlv),
562	SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
563		RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
564	SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
565		rt1015_boost_mode_get, rt1015_boost_mode_put),
566	SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
567	SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
568		rt1015_bypass_boost_get, rt1015_bypass_boost_put),
569
570	/* DAC Output Volume Control */
571	SOC_ENUM("DAC Output Control", rt1015_dac_vol_ctl_enum),
572};
573
574static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
575			 struct snd_soc_dapm_widget *sink)
576{
577	struct snd_soc_component *component =
578		snd_soc_dapm_to_component(source->dapm);
579	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
580
581	if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
582		return 1;
583	else
584		return 0;
585}
586
587static int r1015_dac_event(struct snd_soc_dapm_widget *w,
588	struct snd_kcontrol *kcontrol, int event)
589{
590	struct snd_soc_component *component =
591		snd_soc_dapm_to_component(w->dapm);
592	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
593
594	switch (event) {
595	case SND_SOC_DAPM_PRE_PMU:
596		rt1015->dac_is_used = 1;
597		if (rt1015->bypass_boost == RT1015_Enable_Boost) {
598			snd_soc_component_write(component,
599				RT1015_SYS_RST1, 0x05f7);
600			snd_soc_component_write(component,
601				RT1015_SYS_RST2, 0x0b0a);
602			snd_soc_component_write(component,
603				RT1015_GAT_BOOST, 0xacfe);
604			snd_soc_component_write(component,
605				RT1015_PWR9, 0xaa00);
606			snd_soc_component_write(component,
607				RT1015_GAT_BOOST, 0xecfe);
608		} else {
609			snd_soc_component_write(component,
610				0x032d, 0xaa60);
611			snd_soc_component_write(component,
612				RT1015_SYS_RST1, 0x05f7);
613			snd_soc_component_write(component,
614				RT1015_SYS_RST2, 0x0b0a);
615			snd_soc_component_write(component,
616				RT1015_PWR_STATE_CTRL, 0x008e);
617		}
618		break;
619
620	case SND_SOC_DAPM_POST_PMD:
621		if (rt1015->bypass_boost == RT1015_Enable_Boost) {
622			snd_soc_component_write(component,
623				RT1015_PWR9, 0xa800);
624			snd_soc_component_write(component,
625				RT1015_SYS_RST1, 0x05f5);
626			snd_soc_component_write(component,
627				RT1015_SYS_RST2, 0x0b9a);
628		} else {
629			snd_soc_component_write(component,
630				0x032d, 0xaa60);
631			snd_soc_component_write(component,
632				RT1015_PWR_STATE_CTRL, 0x0088);
633			snd_soc_component_write(component,
634				RT1015_SYS_RST1, 0x05f5);
635			snd_soc_component_write(component,
636				RT1015_SYS_RST2, 0x0b9a);
637		}
638		rt1015->dac_is_used = 0;
639		break;
640
641	default:
642		break;
643	}
644	return 0;
645}
646
647static int rt1015_amp_drv_event(struct snd_soc_dapm_widget *w,
648	struct snd_kcontrol *kcontrol, int event)
649{
650	struct snd_soc_component *component =
651		snd_soc_dapm_to_component(w->dapm);
652	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
653	unsigned int ret, ret2;
654
655	switch (event) {
656	case SND_SOC_DAPM_PRE_PMU:
657		ret = snd_soc_component_read(component, RT1015_CLK_DET);
658		ret2 = snd_soc_component_read(component, RT1015_SPK_DC_DETECT1);
659		if (!((ret >> 15) & 0x1)) {
660			snd_soc_component_update_bits(component, RT1015_CLK_DET,
661				RT1015_EN_BCLK_DET_MASK, RT1015_EN_BCLK_DET);
662			dev_dbg(component->dev, "BCLK Detection Enabled.\n");
663		}
664		if (!((ret2 >> 12) & 0x1)) {
665			snd_soc_component_update_bits(component, RT1015_SPK_DC_DETECT1,
666				RT1015_EN_CLA_D_DC_DET_MASK, RT1015_EN_CLA_D_DC_DET);
667			dev_dbg(component->dev, "Class-D DC Detection Enabled.\n");
668		}
669		break;
670	case SND_SOC_DAPM_POST_PMU:
671		msleep(rt1015->pdata.power_up_delay_ms);
672		break;
673	default:
674		break;
675	}
676	return 0;
677}
678
679static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
680	SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
681		NULL, 0),
682	SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
683	SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0,
684		r1015_dac_event, SND_SOC_DAPM_PRE_PMU |
685		SND_SOC_DAPM_POST_PMD),
686	SND_SOC_DAPM_OUT_DRV_E("Amp Drv", SND_SOC_NOPM, 0, 0, NULL, 0,
687			rt1015_amp_drv_event, SND_SOC_DAPM_PRE_PMU |
688			SND_SOC_DAPM_POST_PMU),
689	SND_SOC_DAPM_OUTPUT("SPO"),
690};
691
692static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
693	{ "DAC", NULL, "AIFRX" },
694	{ "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
695	{ "Amp Drv", NULL, "DAC" },
696	{ "SPO", NULL, "Amp Drv" },
697};
698
699static int rt1015_hw_params(struct snd_pcm_substream *substream,
700	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
701{
702	struct snd_soc_component *component = dai->component;
703	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
704	int pre_div, frame_size, lrck;
705	unsigned int val_len = 0;
706
707	lrck = params_rate(params);
708	pre_div = rl6231_get_clk_info(rt1015->sysclk, lrck);
709	if (pre_div < 0) {
710		dev_err(component->dev, "Unsupported clock rate\n");
711		return -EINVAL;
712	}
713
714	frame_size = snd_soc_params_to_frame_size(params);
715	if (frame_size < 0) {
716		dev_err(component->dev, "Unsupported frame size: %d\n",
717			frame_size);
718		return -EINVAL;
719	}
720
721	dev_dbg(component->dev, "pre_div is %d for iis %d\n", pre_div, dai->id);
722
723	dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
724				lrck, pre_div, dai->id);
725
726	switch (params_width(params)) {
727	case 16:
728		break;
729	case 20:
730		val_len = RT1015_I2S_DL_20;
731		break;
732	case 24:
733		val_len = RT1015_I2S_DL_24;
734		break;
735	case 8:
736		val_len = RT1015_I2S_DL_8;
737		break;
738	default:
739		return -EINVAL;
740	}
741
742	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
743		RT1015_I2S_DL_MASK, val_len);
744	snd_soc_component_update_bits(component, RT1015_CLK2,
745		RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
746
747	return 0;
748}
749
750static int rt1015_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
751{
752	struct snd_soc_component *component = dai->component;
753	unsigned int reg_val = 0, reg_val2 = 0;
754
755	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
756	case SND_SOC_DAIFMT_CBM_CFM:
757		reg_val |= RT1015_TCON_TDM_MS_M;
758		break;
759	case SND_SOC_DAIFMT_CBS_CFS:
760		reg_val |= RT1015_TCON_TDM_MS_S;
761		break;
762	default:
763		return -EINVAL;
764	}
765
766	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
767	case SND_SOC_DAIFMT_NB_NF:
768		break;
769	case SND_SOC_DAIFMT_IB_NF:
770		reg_val2 |= RT1015_TDM_INV_BCLK;
771		break;
772	default:
773		return -EINVAL;
774	}
775
776	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
777	case SND_SOC_DAIFMT_I2S:
778		break;
779
780	case SND_SOC_DAIFMT_LEFT_J:
781		reg_val |= RT1015_I2S_M_DF_LEFT;
782		break;
783
784	case SND_SOC_DAIFMT_DSP_A:
785		reg_val |= RT1015_I2S_M_DF_PCM_A;
786		break;
787
788	case SND_SOC_DAIFMT_DSP_B:
789		reg_val |= RT1015_I2S_M_DF_PCM_B;
790		break;
791
792	default:
793		return -EINVAL;
794	}
795
796	snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
797			RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
798			reg_val);
799	snd_soc_component_update_bits(component, RT1015_TDM1_1,
800			RT1015_TDM_INV_BCLK_MASK, reg_val2);
801
802	return 0;
803}
804
805static int rt1015_set_component_sysclk(struct snd_soc_component *component,
806		int clk_id, int source, unsigned int freq, int dir)
807{
808	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
809	unsigned int reg_val = 0;
810
811	if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
812		return 0;
813
814	switch (clk_id) {
815	case RT1015_SCLK_S_MCLK:
816		reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
817		break;
818
819	case RT1015_SCLK_S_PLL:
820		reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
821		break;
822
823	default:
824		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
825		return -EINVAL;
826	}
827
828	rt1015->sysclk = freq;
829	rt1015->sysclk_src = clk_id;
830
831	dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
832		freq, clk_id);
833
834	snd_soc_component_update_bits(component, RT1015_CLK2,
835			RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
836
837	return 0;
838}
839
840static int rt1015_set_component_pll(struct snd_soc_component *component,
841		int pll_id, int source, unsigned int freq_in,
842		unsigned int freq_out)
843{
844	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
845	struct rl6231_pll_code pll_code;
846	int ret;
847
848	if (!freq_in || !freq_out) {
849		dev_dbg(component->dev, "PLL disabled\n");
850
851		rt1015->pll_in = 0;
852		rt1015->pll_out = 0;
853
854		return 0;
855	}
856
857	if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
858		freq_out == rt1015->pll_out)
859		return 0;
860
861	switch (source) {
862	case RT1015_PLL_S_MCLK:
863		snd_soc_component_update_bits(component, RT1015_CLK2,
864			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
865		break;
866
867	case RT1015_PLL_S_BCLK:
868		snd_soc_component_update_bits(component, RT1015_CLK2,
869			RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
870		break;
871
872	default:
873		dev_err(component->dev, "Unknown PLL Source %d\n", source);
874		return -EINVAL;
875	}
876
877	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
878	if (ret < 0) {
879		dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
880		return ret;
881	}
882
883	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
884		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
885		pll_code.n_code, pll_code.k_code);
886
887	snd_soc_component_write(component, RT1015_PLL1,
888		((pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT) |
889		(pll_code.m_bp << RT1015_PLL_M_BP_SFT) |
890		pll_code.n_code);
891	snd_soc_component_write(component, RT1015_PLL2,
892		pll_code.k_code);
893
894	rt1015->pll_in = freq_in;
895	rt1015->pll_out = freq_out;
896	rt1015->pll_src = source;
897
898	return 0;
899}
900
901static int rt1015_set_tdm_slot(struct snd_soc_dai *dai,
902	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
903{
904	struct snd_soc_component *component = dai->component;
905	unsigned int val = 0, rx_slotnum, tx_slotnum;
906	int ret = 0, first_bit;
907
908	switch (slots) {
909	case 2:
910		val |= RT1015_I2S_TX_2CH;
911		break;
912	case 4:
913		val |= RT1015_I2S_TX_4CH;
914		break;
915	case 6:
916		val |= RT1015_I2S_TX_6CH;
917		break;
918	case 8:
919		val |= RT1015_I2S_TX_8CH;
920		break;
921	default:
922		ret = -EINVAL;
923		goto _set_tdm_err_;
924	}
925
926	switch (slot_width) {
927	case 16:
928		val |= RT1015_I2S_CH_TX_LEN_16B;
929		break;
930	case 20:
931		val |= RT1015_I2S_CH_TX_LEN_20B;
932		break;
933	case 24:
934		val |= RT1015_I2S_CH_TX_LEN_24B;
935		break;
936	case 32:
937		val |= RT1015_I2S_CH_TX_LEN_32B;
938		break;
939	default:
940		ret = -EINVAL;
941		goto _set_tdm_err_;
942	}
943
944	/* Rx slot configuration */
945	rx_slotnum = hweight_long(rx_mask);
946	if (rx_slotnum != 1) {
947		ret = -EINVAL;
948		dev_err(component->dev, "too many rx slots or zero slot\n");
949		goto _set_tdm_err_;
950	}
951
952	/* This is an assumption that the system sends stereo audio to the amplifier typically.
953	 * And the stereo audio is placed in slot 0/2/4/6 as the starting slot.
954	 * The users could select the channel from L/R/L+R by "Mono LR Select" control.
955	 */
956	first_bit = __ffs(rx_mask);
957	switch (first_bit) {
958	case 0:
959	case 2:
960	case 4:
961	case 6:
962		snd_soc_component_update_bits(component,
963			RT1015_TDM1_4,
964			RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
965			RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
966			(first_bit << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
967			((first_bit+1) << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
968		break;
969	case 1:
970	case 3:
971	case 5:
972	case 7:
973		snd_soc_component_update_bits(component,
974			RT1015_TDM1_4,
975			RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
976			RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
977			((first_bit-1) << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
978			(first_bit << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
979		break;
980	default:
981		ret = -EINVAL;
982		goto _set_tdm_err_;
983	}
984
985	/* Tx slot configuration */
986	tx_slotnum = hweight_long(tx_mask);
987	if (tx_slotnum) {
988		ret = -EINVAL;
989		dev_err(component->dev, "doesn't need to support tx slots\n");
990		goto _set_tdm_err_;
991	}
992
993	snd_soc_component_update_bits(component, RT1015_TDM1_1,
994		RT1015_I2S_CH_TX_MASK | RT1015_I2S_CH_RX_MASK |
995		RT1015_I2S_CH_TX_LEN_MASK | RT1015_I2S_CH_RX_LEN_MASK, val);
996
997_set_tdm_err_:
998	return ret;
999}
1000
1001static int rt1015_probe(struct snd_soc_component *component)
1002{
1003	struct rt1015_priv *rt1015 =
1004		snd_soc_component_get_drvdata(component);
1005
1006	rt1015->component = component;
1007
1008	return 0;
1009}
1010
1011static void rt1015_remove(struct snd_soc_component *component)
1012{
1013	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1014
1015	regmap_write(rt1015->regmap, RT1015_RESET, 0);
1016}
1017
1018#define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1019#define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1020			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1021
1022static const struct snd_soc_dai_ops rt1015_aif_dai_ops = {
1023	.hw_params = rt1015_hw_params,
1024	.set_fmt = rt1015_set_dai_fmt,
1025	.set_tdm_slot = rt1015_set_tdm_slot,
1026};
1027
1028static struct snd_soc_dai_driver rt1015_dai[] = {
1029	{
1030		.name = "rt1015-aif",
1031		.id = 0,
1032		.playback = {
1033			.stream_name = "AIF Playback",
1034			.channels_min = 1,
1035			.channels_max = 4,
1036			.rates = RT1015_STEREO_RATES,
1037			.formats = RT1015_FORMATS,
1038		},
1039		.ops = &rt1015_aif_dai_ops,
1040	}
1041};
1042
1043#ifdef CONFIG_PM
1044static int rt1015_suspend(struct snd_soc_component *component)
1045{
1046	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1047
1048	regcache_cache_only(rt1015->regmap, true);
1049	regcache_mark_dirty(rt1015->regmap);
1050
1051	return 0;
1052}
1053
1054static int rt1015_resume(struct snd_soc_component *component)
1055{
1056	struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
1057
1058	regcache_cache_only(rt1015->regmap, false);
1059	regcache_sync(rt1015->regmap);
1060
1061	if (rt1015->cali_done)
1062		rt1015_calibrate(rt1015);
1063
1064	return 0;
1065}
1066#else
1067#define rt1015_suspend NULL
1068#define rt1015_resume NULL
1069#endif
1070
1071static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
1072	.probe = rt1015_probe,
1073	.remove = rt1015_remove,
1074	.suspend = rt1015_suspend,
1075	.resume = rt1015_resume,
1076	.controls = rt1015_snd_controls,
1077	.num_controls = ARRAY_SIZE(rt1015_snd_controls),
1078	.dapm_widgets = rt1015_dapm_widgets,
1079	.num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
1080	.dapm_routes = rt1015_dapm_routes,
1081	.num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
1082	.set_sysclk = rt1015_set_component_sysclk,
1083	.set_pll = rt1015_set_component_pll,
1084	.use_pmdown_time	= 1,
1085	.endianness		= 1,
1086};
1087
1088static const struct regmap_config rt1015_regmap = {
1089	.reg_bits = 16,
1090	.val_bits = 16,
1091	.max_register = RT1015_S_BST_TIMING_INTER36,
1092	.volatile_reg = rt1015_volatile_register,
1093	.readable_reg = rt1015_readable_register,
1094	.cache_type = REGCACHE_RBTREE,
1095	.reg_defaults = rt1015_reg,
1096	.num_reg_defaults = ARRAY_SIZE(rt1015_reg),
1097};
1098
1099static const struct i2c_device_id rt1015_i2c_id[] = {
1100	{ "rt1015", 0 },
1101	{ }
1102};
1103MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
1104
1105#if defined(CONFIG_OF)
1106static const struct of_device_id rt1015_of_match[] = {
1107	{ .compatible = "realtek,rt1015", },
1108	{},
1109};
1110MODULE_DEVICE_TABLE(of, rt1015_of_match);
1111#endif
1112
1113#ifdef CONFIG_ACPI
1114static const struct acpi_device_id rt1015_acpi_match[] = {
1115	{"10EC1015", 0,},
1116	{},
1117};
1118MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
1119#endif
1120
1121static void rt1015_parse_dt(struct rt1015_priv *rt1015, struct device *dev)
1122{
1123	device_property_read_u32(dev, "realtek,power-up-delay-ms",
1124		&rt1015->pdata.power_up_delay_ms);
1125}
1126
1127static int rt1015_i2c_probe(struct i2c_client *i2c)
1128{
1129	struct rt1015_platform_data *pdata = dev_get_platdata(&i2c->dev);
1130	struct rt1015_priv *rt1015;
1131	int ret;
1132	unsigned int val;
1133
1134	rt1015 = devm_kzalloc(&i2c->dev, sizeof(*rt1015), GFP_KERNEL);
1135	if (!rt1015)
1136		return -ENOMEM;
1137
1138	i2c_set_clientdata(i2c, rt1015);
1139
1140	rt1015->pdata = i2s_default_platform_data;
1141
1142	if (pdata)
1143		rt1015->pdata = *pdata;
1144	else
1145		rt1015_parse_dt(rt1015, &i2c->dev);
1146
1147	rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
1148	if (IS_ERR(rt1015->regmap)) {
1149		ret = PTR_ERR(rt1015->regmap);
1150		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1151			ret);
1152		return ret;
1153	}
1154
1155	ret = regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
1156	if (ret) {
1157		dev_err(&i2c->dev,
1158			"Failed to read device register: %d\n", ret);
1159		return ret;
1160	} else if ((val != RT1015_DEVICE_ID_VAL) &&
1161			(val != RT1015_DEVICE_ID_VAL2)) {
1162		dev_err(&i2c->dev,
1163			"Device with ID register %x is not rt1015\n", val);
1164		return -ENODEV;
1165	}
1166
1167	return devm_snd_soc_register_component(&i2c->dev,
1168		&soc_component_dev_rt1015,
1169		rt1015_dai, ARRAY_SIZE(rt1015_dai));
1170}
1171
1172static void rt1015_i2c_shutdown(struct i2c_client *client)
1173{
1174	struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
1175
1176	regmap_write(rt1015->regmap, RT1015_RESET, 0);
1177}
1178
1179static struct i2c_driver rt1015_i2c_driver = {
1180	.driver = {
1181		.name = "rt1015",
1182		.of_match_table = of_match_ptr(rt1015_of_match),
1183		.acpi_match_table = ACPI_PTR(rt1015_acpi_match),
1184	},
1185	.probe = rt1015_i2c_probe,
1186	.shutdown = rt1015_i2c_shutdown,
1187	.id_table = rt1015_i2c_id,
1188};
1189module_i2c_driver(rt1015_i2c_driver);
1190
1191MODULE_DESCRIPTION("ASoC RT1015 driver");
1192MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1193MODULE_LICENSE("GPL v2");
1194