1// SPDX-License-Identifier: GPL-2.0-only
2//
3// rt715-sdca.c -- rt715 ALSA SoC audio driver
4//
5// Copyright(c) 2020 Realtek Semiconductor Corp.
6//
7//
8//
9
10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/pm_runtime.h>
15#include <linux/pm.h>
16#include <linux/soundwire/sdw.h>
17#include <linux/regmap.h>
18#include <linux/slab.h>
19#include <linux/platform_device.h>
20#include <sound/core.h>
21#include <sound/pcm.h>
22#include <sound/pcm_params.h>
23#include <sound/sdw.h>
24#include <sound/soc.h>
25#include <sound/soc-dapm.h>
26#include <sound/initval.h>
27#include <sound/tlv.h>
28#include <linux/soundwire/sdw_registers.h>
29
30#include "rt715-sdca.h"
31
32static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715,
33		unsigned int nid, unsigned int reg, unsigned int value)
34{
35	struct regmap *regmap = rt715->mbq_regmap;
36	unsigned int addr;
37	int ret;
38
39	addr = (nid << 20) | reg;
40
41	ret = regmap_write(regmap, addr, value);
42	if (ret < 0)
43		dev_err(&rt715->slave->dev,
44			"%s: Failed to set private value: %08x <= %04x %d\n",
45			__func__, addr, value, ret);
46
47	return ret;
48}
49
50static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715,
51		unsigned int nid, unsigned int reg, unsigned int *value)
52{
53	struct regmap *regmap = rt715->mbq_regmap;
54	unsigned int addr;
55	int ret;
56
57	addr = (nid << 20) | reg;
58
59	ret = regmap_read(regmap, addr, value);
60	if (ret < 0)
61		dev_err(&rt715->slave->dev,
62			"%s: Failed to get private value: %06x => %04x ret=%d\n",
63			__func__, addr, *value, ret);
64
65	return ret;
66}
67
68static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715,
69	unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
70{
71	unsigned int tmp;
72	int ret;
73
74	ret = rt715_sdca_index_read(rt715, nid, reg, &tmp);
75	if (ret < 0)
76		return ret;
77
78	set_mask_bits(&tmp, mask, val);
79
80	return rt715_sdca_index_write(rt715, nid, reg, tmp);
81}
82
83static inline unsigned int rt715_sdca_vol_gain(unsigned int u_ctrl_val,
84		unsigned int vol_max, unsigned int vol_gain_sft)
85{
86	unsigned int val;
87
88	if (u_ctrl_val > vol_max)
89		u_ctrl_val = vol_max;
90	val = u_ctrl_val;
91	u_ctrl_val =
92		((abs(u_ctrl_val - vol_gain_sft) * RT715_SDCA_DB_STEP) << 8) / 1000;
93	if (val <= vol_gain_sft) {
94		u_ctrl_val = ~u_ctrl_val;
95		u_ctrl_val += 1;
96	}
97	u_ctrl_val &= 0xffff;
98
99	return u_ctrl_val;
100}
101
102static inline unsigned int rt715_sdca_boost_gain(unsigned int u_ctrl_val,
103		unsigned int b_max, unsigned int b_gain_sft)
104{
105	if (u_ctrl_val > b_max)
106		u_ctrl_val = b_max;
107
108	return (u_ctrl_val * 10) << b_gain_sft;
109}
110
111static inline unsigned int rt715_sdca_get_gain(unsigned int reg_val,
112		unsigned int gain_sft)
113{
114	unsigned int neg_flag = 0;
115
116	if (reg_val & BIT(15)) {
117		reg_val = ~(reg_val - 1) & 0xffff;
118		neg_flag = 1;
119	}
120	reg_val *= 1000;
121	reg_val >>= 8;
122	if (neg_flag)
123		reg_val = gain_sft - reg_val / RT715_SDCA_DB_STEP;
124	else
125		reg_val = gain_sft + reg_val / RT715_SDCA_DB_STEP;
126
127	return reg_val;
128}
129
130/* SDCA Volume/Boost control */
131static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol,
132		struct snd_ctl_elem_value *ucontrol)
133{
134	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
135	struct soc_mixer_control *mc =
136		(struct soc_mixer_control *)kcontrol->private_value;
137	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
138	unsigned int gain_val, i, k_changed = 0;
139	int ret;
140
141	for (i = 0; i < 2; i++) {
142		if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_orig[i]) {
143			k_changed = 1;
144			break;
145		}
146	}
147
148	for (i = 0; i < 2; i++) {
149		rt715->kctl_2ch_orig[i] = ucontrol->value.integer.value[i];
150		gain_val =
151			rt715_sdca_vol_gain(ucontrol->value.integer.value[i], mc->max,
152				mc->shift);
153		ret = regmap_write(rt715->mbq_regmap, mc->reg + i, gain_val);
154		if (ret != 0) {
155			dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
156				__func__, mc->reg + i, gain_val);
157			return ret;
158		}
159	}
160
161	return k_changed;
162}
163
164static int rt715_sdca_set_amp_gain_4ch_put(struct snd_kcontrol *kcontrol,
165		struct snd_ctl_elem_value *ucontrol)
166{
167	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
168	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
169	struct rt715_sdca_kcontrol_private *p =
170		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
171	unsigned int reg_base = p->reg_base, k_changed = 0;
172	const unsigned int gain_sft = 0x2f;
173	unsigned int gain_val, i;
174	int ret;
175
176	for (i = 0; i < 4; i++) {
177		if (ucontrol->value.integer.value[i] != rt715->kctl_4ch_orig[i]) {
178			k_changed = 1;
179			break;
180		}
181	}
182
183	for (i = 0; i < 4; i++) {
184		rt715->kctl_4ch_orig[i] = ucontrol->value.integer.value[i];
185		gain_val =
186			rt715_sdca_vol_gain(ucontrol->value.integer.value[i], p->max,
187				gain_sft);
188		ret = regmap_write(rt715->mbq_regmap, reg_base + i,
189				gain_val);
190		if (ret != 0) {
191			dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
192				__func__, reg_base + i, gain_val);
193			return ret;
194		}
195	}
196
197	return k_changed;
198}
199
200static int rt715_sdca_set_amp_gain_8ch_put(struct snd_kcontrol *kcontrol,
201		struct snd_ctl_elem_value *ucontrol)
202{
203	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
204	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
205	struct rt715_sdca_kcontrol_private *p =
206		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
207	unsigned int reg_base = p->reg_base, i, k_changed = 0;
208	const unsigned int gain_sft = 8;
209	unsigned int gain_val, reg;
210	int ret;
211
212	for (i = 0; i < 8; i++) {
213		if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_orig[i]) {
214			k_changed = 1;
215			break;
216		}
217	}
218
219	for (i = 0; i < 8; i++) {
220		rt715->kctl_8ch_orig[i] = ucontrol->value.integer.value[i];
221		gain_val =
222			rt715_sdca_boost_gain(ucontrol->value.integer.value[i], p->max,
223				gain_sft);
224		reg = i < 7 ? reg_base + i : (reg_base - 1) | BIT(15);
225		ret = regmap_write(rt715->mbq_regmap, reg, gain_val);
226		if (ret != 0) {
227			dev_err(component->dev, "%s: Failed to write 0x%x=0x%x\n",
228				__func__, reg, gain_val);
229			return ret;
230		}
231	}
232
233	return k_changed;
234}
235
236static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol,
237		struct snd_ctl_elem_value *ucontrol)
238{
239	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
240	struct soc_mixer_control *mc =
241		(struct soc_mixer_control *)kcontrol->private_value;
242	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
243	unsigned int val, i;
244	int ret;
245
246	for (i = 0; i < 2; i++) {
247		ret = regmap_read(rt715->mbq_regmap, mc->reg + i, &val);
248		if (ret < 0) {
249			dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
250				__func__, mc->reg + i, ret);
251			return ret;
252		}
253		ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, mc->shift);
254	}
255
256	return 0;
257}
258
259static int rt715_sdca_set_amp_gain_4ch_get(struct snd_kcontrol *kcontrol,
260		struct snd_ctl_elem_value *ucontrol)
261{
262	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
263	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
264	struct rt715_sdca_kcontrol_private *p =
265		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
266	unsigned int reg_base = p->reg_base, i;
267	const unsigned int gain_sft = 0x2f;
268	unsigned int val;
269	int ret;
270
271	for (i = 0; i < 4; i++) {
272		ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val);
273		if (ret < 0) {
274			dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
275				__func__, reg_base + i, ret);
276			return ret;
277		}
278		ucontrol->value.integer.value[i] = rt715_sdca_get_gain(val, gain_sft);
279	}
280
281	return 0;
282}
283
284static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol,
285		struct snd_ctl_elem_value *ucontrol)
286{
287	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
288	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
289	struct rt715_sdca_kcontrol_private *p =
290		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
291	unsigned int reg_base = p->reg_base;
292	const unsigned int gain_sft = 8;
293	unsigned int val_l, val_r;
294	unsigned int i, reg;
295	int ret;
296
297	for (i = 0; i < 8; i += 2) {
298		ret = regmap_read(rt715->mbq_regmap, reg_base + i, &val_l);
299		if (ret < 0) {
300			dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
301				__func__, reg_base + i, ret);
302			return ret;
303		}
304		ucontrol->value.integer.value[i] = (val_l >> gain_sft) / 10;
305
306		reg = (i == 6) ? (reg_base - 1) | BIT(15) : reg_base + 1 + i;
307		ret = regmap_read(rt715->mbq_regmap, reg, &val_r);
308		if (ret < 0) {
309			dev_err(component->dev, "%s: Failed to read 0x%x, ret=%d\n",
310				__func__, reg, ret);
311			return ret;
312		}
313		ucontrol->value.integer.value[i + 1] = (val_r >> gain_sft) / 10;
314	}
315
316	return 0;
317}
318
319static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
320static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
321
322static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol,
323	struct snd_ctl_elem_value *ucontrol)
324{
325	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
326	struct rt715_sdca_kcontrol_private *p =
327		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
328	unsigned int reg_base = p->reg_base;
329	unsigned int invert = p->invert, i;
330	int val;
331
332	for (i = 0; i < p->count; i += 2) {
333		val = snd_soc_component_read(component, reg_base + i);
334		if (val < 0)
335			return -EINVAL;
336		ucontrol->value.integer.value[i] = invert ? p->max - val : val;
337
338		val = snd_soc_component_read(component, reg_base + 1 + i);
339		if (val < 0)
340			return -EINVAL;
341		ucontrol->value.integer.value[i + 1] =
342			invert ? p->max - val : val;
343	}
344
345	return 0;
346}
347
348static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol,
349	struct snd_ctl_elem_value *ucontrol)
350{
351	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
352	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
353	struct rt715_sdca_kcontrol_private *p =
354		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
355	unsigned int val[4] = {0}, val_mask, i, k_changed = 0;
356	unsigned int reg = p->reg_base;
357	unsigned int shift = p->shift;
358	unsigned int max = p->max;
359	unsigned int mask = (1 << fls(max)) - 1;
360	unsigned int invert = p->invert;
361	int err;
362
363	for (i = 0; i < 4; i++) {
364		if (ucontrol->value.integer.value[i] != rt715->kctl_switch_orig[i]) {
365			k_changed = 1;
366			break;
367		}
368	}
369
370	for (i = 0; i < 2; i++) {
371		rt715->kctl_switch_orig[i * 2] = ucontrol->value.integer.value[i * 2];
372		val[i * 2] = ucontrol->value.integer.value[i * 2] & mask;
373		if (invert)
374			val[i * 2] = max - val[i * 2];
375		val_mask = mask << shift;
376		val[i * 2] <<= shift;
377
378		rt715->kctl_switch_orig[i * 2 + 1] =
379			ucontrol->value.integer.value[i * 2 + 1];
380		val[i * 2 + 1] =
381			ucontrol->value.integer.value[i * 2 + 1] & mask;
382		if (invert)
383			val[i * 2 + 1] = max - val[i * 2 + 1];
384
385		val[i * 2 + 1] <<=  shift;
386
387		err = snd_soc_component_update_bits(component, reg + i * 2, val_mask,
388				val[i * 2]);
389		if (err < 0)
390			return err;
391
392		err = snd_soc_component_update_bits(component, reg + 1 + i * 2,
393			val_mask, val[i * 2 + 1]);
394		if (err < 0)
395			return err;
396	}
397
398	return k_changed;
399}
400
401static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol,
402	struct snd_ctl_elem_info *uinfo)
403{
404	struct rt715_sdca_kcontrol_private *p =
405		(struct rt715_sdca_kcontrol_private *)kcontrol->private_value;
406
407	if (p->max == 1)
408		uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
409	else
410		uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
411	uinfo->count = p->count;
412	uinfo->value.integer.min = 0;
413	uinfo->value.integer.max = p->max;
414	return 0;
415}
416
417#define RT715_SDCA_PR_VALUE(xreg_base, xcount, xmax, xshift, xinvert) \
418	((unsigned long)&(struct rt715_sdca_kcontrol_private) \
419		{.reg_base = xreg_base, .count = xcount, .max = xmax, \
420		.shift = xshift, .invert = xinvert})
421
422#define RT715_SDCA_FU_CTRL(xname, reg_base, xshift, xmax, xinvert, xcount) \
423{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
424	.info = rt715_sdca_fu_info, \
425	.get = rt715_sdca_get_volsw, \
426	.put = rt715_sdca_put_volsw, \
427	.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, \
428					xshift, xinvert)}
429
430#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
431	 xhandler_get, xhandler_put) \
432{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
433	.info = snd_soc_info_volsw, \
434	.get = xhandler_get, .put = xhandler_put, \
435	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
436					    xmax, xinvert) }
437
438#define RT715_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\
439	 xhandler_put, tlv_array, xcount, xmax) \
440{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
441	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
442		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
443	.tlv.p = (tlv_array), \
444	.info = rt715_sdca_fu_info, \
445	.get = xhandler_get, .put = xhandler_put, \
446	.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) }
447
448#define RT715_SDCA_BOOST_EXT_TLV(xname, reg_base, xhandler_get,\
449	 xhandler_put, tlv_array, xcount, xmax) \
450{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
451	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
452		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
453	.tlv.p = (tlv_array), \
454	.info = rt715_sdca_fu_info, \
455	.get = xhandler_get, .put = xhandler_put, \
456	.private_value = RT715_SDCA_PR_VALUE(reg_base, xcount, xmax, 0, 0) }
457
458static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = {
459	/* Capture switch */
460	SOC_DOUBLE_R("FU0A Capture Switch",
461		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
462			RT715_SDCA_FU_MUTE_CTRL, CH_01),
463		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
464			RT715_SDCA_FU_MUTE_CTRL, CH_02),
465			0, 1, 1),
466	RT715_SDCA_FU_CTRL("FU02 Capture Switch",
467		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
468			RT715_SDCA_FU_MUTE_CTRL, CH_01),
469			0, 1, 1, 4),
470	RT715_SDCA_FU_CTRL("FU06 Capture Switch",
471		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
472			RT715_SDCA_FU_MUTE_CTRL, CH_01),
473			0, 1, 1, 4),
474	/* Volume Control */
475	SOC_DOUBLE_R_EXT_TLV("FU0A Capture Volume",
476		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
477			RT715_SDCA_FU_VOL_CTRL, CH_01),
478		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
479			RT715_SDCA_FU_VOL_CTRL, CH_02),
480			0x2f, 0x3f, 0,
481		rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
482		in_vol_tlv),
483	RT715_SDCA_EXT_TLV("FU02 Capture Volume",
484		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
485			RT715_SDCA_FU_VOL_CTRL, CH_01),
486		rt715_sdca_set_amp_gain_4ch_get,
487		rt715_sdca_set_amp_gain_4ch_put,
488		in_vol_tlv, 4, 0x3f),
489	RT715_SDCA_EXT_TLV("FU06 Capture Volume",
490		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
491			RT715_SDCA_FU_VOL_CTRL, CH_01),
492		rt715_sdca_set_amp_gain_4ch_get,
493		rt715_sdca_set_amp_gain_4ch_put,
494		in_vol_tlv, 4, 0x3f),
495	/* MIC Boost Control */
496	RT715_SDCA_BOOST_EXT_TLV("FU0E Boost",
497		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
498			RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01),
499			rt715_sdca_set_amp_gain_8ch_get,
500			rt715_sdca_set_amp_gain_8ch_put,
501			mic_vol_tlv, 8, 3),
502	RT715_SDCA_BOOST_EXT_TLV("FU0C Boost",
503		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
504			RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01),
505			rt715_sdca_set_amp_gain_8ch_get,
506			rt715_sdca_set_amp_gain_8ch_put,
507			mic_vol_tlv, 8, 3),
508};
509
510static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol,
511			struct snd_ctl_elem_value *ucontrol)
512{
513	struct snd_soc_component *component =
514		snd_soc_dapm_kcontrol_component(kcontrol);
515	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
516	unsigned int val, mask_sft;
517
518	if (strstr(ucontrol->id.name, "ADC 22 Mux"))
519		mask_sft = 12;
520	else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
521		mask_sft = 8;
522	else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
523		mask_sft = 4;
524	else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
525		mask_sft = 0;
526	else
527		return -EINVAL;
528
529	rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
530		RT715_HDA_LEGACY_MUX_CTL1, &val);
531	val = (val >> mask_sft) & 0xf;
532
533	/*
534	 * The first two indices of ADC Mux 24/25 are routed to the same
535	 * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2.
536	 * To have a unique set of inputs, we skip the index1 of the muxes.
537	 */
538	if ((strstr(ucontrol->id.name, "ADC 24 Mux") ||
539		strstr(ucontrol->id.name, "ADC 25 Mux")) && val > 0)
540		val -= 1;
541	ucontrol->value.enumerated.item[0] = val;
542
543	return 0;
544}
545
546static int rt715_sdca_mux_put(struct snd_kcontrol *kcontrol,
547			struct snd_ctl_elem_value *ucontrol)
548{
549	struct snd_soc_component *component =
550		snd_soc_dapm_kcontrol_component(kcontrol);
551	struct snd_soc_dapm_context *dapm =
552				snd_soc_dapm_kcontrol_dapm(kcontrol);
553	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
554	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
555	unsigned int *item = ucontrol->value.enumerated.item;
556	unsigned int val, val2 = 0, change, mask_sft;
557
558	if (item[0] >= e->items)
559		return -EINVAL;
560
561	if (strstr(ucontrol->id.name, "ADC 22 Mux"))
562		mask_sft = 12;
563	else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
564		mask_sft = 8;
565	else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
566		mask_sft = 4;
567	else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
568		mask_sft = 0;
569	else
570		return -EINVAL;
571
572	/* Verb ID = 0x701h, nid = e->reg */
573	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
574
575	rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
576		RT715_HDA_LEGACY_MUX_CTL1, &val2);
577	val2 = (val2 >> mask_sft) & 0xf;
578
579	change = val != val2;
580
581	if (change)
582		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_HDA_CTL,
583			RT715_HDA_LEGACY_MUX_CTL1, 0xf << mask_sft, val << mask_sft);
584
585	snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL);
586
587	return change;
588}
589
590static const char * const adc_22_23_mux_text[] = {
591	"MIC1",
592	"MIC2",
593	"LINE1",
594	"LINE2",
595	"DMIC1",
596	"DMIC2",
597	"DMIC3",
598	"DMIC4",
599};
600
601/*
602 * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and
603 * 1 will be connected to the same dmic source, therefore we skip index 1 to
604 * avoid misunderstanding on usage of dapm routing.
605 */
606static int rt715_adc_24_25_values[] = {
607	0,
608	2,
609	3,
610	4,
611	5,
612};
613
614static const char * const adc_24_mux_text[] = {
615	"MIC2",
616	"DMIC1",
617	"DMIC2",
618	"DMIC3",
619	"DMIC4",
620};
621
622static const char * const adc_25_mux_text[] = {
623	"MIC1",
624	"DMIC1",
625	"DMIC2",
626	"DMIC3",
627	"DMIC4",
628};
629
630static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0,
631	adc_22_23_mux_text);
632
633static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0,
634	adc_22_23_mux_text);
635
636static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
637	SND_SOC_NOPM, 0, 0xf,
638	adc_24_mux_text, rt715_adc_24_25_values);
639static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum,
640	SND_SOC_NOPM, 0, 0xf,
641	adc_25_mux_text, rt715_adc_24_25_values);
642
643static const struct snd_kcontrol_new rt715_adc22_mux =
644	SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum,
645			rt715_sdca_mux_get, rt715_sdca_mux_put);
646
647static const struct snd_kcontrol_new rt715_adc23_mux =
648	SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum,
649			rt715_sdca_mux_get, rt715_sdca_mux_put);
650
651static const struct snd_kcontrol_new rt715_adc24_mux =
652	SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum,
653			rt715_sdca_mux_get, rt715_sdca_mux_put);
654
655static const struct snd_kcontrol_new rt715_adc25_mux =
656	SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum,
657			rt715_sdca_mux_get, rt715_sdca_mux_put);
658
659static int rt715_sdca_pde23_24_event(struct snd_soc_dapm_widget *w,
660	struct snd_kcontrol *kcontrol, int event)
661{
662	struct snd_soc_component *component =
663		snd_soc_dapm_to_component(w->dapm);
664	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
665
666	switch (event) {
667	case SND_SOC_DAPM_POST_PMU:
668		regmap_write(rt715->regmap,
669			SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
670				RT715_SDCA_REQ_POW_CTRL,
671				CH_00), 0x00);
672		break;
673	case SND_SOC_DAPM_PRE_PMD:
674		regmap_write(rt715->regmap,
675			SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
676				RT715_SDCA_REQ_POW_CTRL,
677				CH_00), 0x03);
678		break;
679	}
680	return 0;
681}
682
683static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = {
684	SND_SOC_DAPM_INPUT("DMIC1"),
685	SND_SOC_DAPM_INPUT("DMIC2"),
686	SND_SOC_DAPM_INPUT("DMIC3"),
687	SND_SOC_DAPM_INPUT("DMIC4"),
688	SND_SOC_DAPM_INPUT("MIC1"),
689	SND_SOC_DAPM_INPUT("MIC2"),
690	SND_SOC_DAPM_INPUT("LINE1"),
691	SND_SOC_DAPM_INPUT("LINE2"),
692
693	SND_SOC_DAPM_SUPPLY("PDE23_24", SND_SOC_NOPM, 0, 0,
694		rt715_sdca_pde23_24_event,
695		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
696
697	SND_SOC_DAPM_ADC("ADC 07", NULL, SND_SOC_NOPM, 4, 0),
698	SND_SOC_DAPM_ADC("ADC 08", NULL, SND_SOC_NOPM, 4, 0),
699	SND_SOC_DAPM_ADC("ADC 09", NULL, SND_SOC_NOPM, 4, 0),
700	SND_SOC_DAPM_ADC("ADC 27", NULL, SND_SOC_NOPM, 4, 0),
701	SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
702		&rt715_adc22_mux),
703	SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
704		&rt715_adc23_mux),
705	SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0,
706		&rt715_adc24_mux),
707	SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
708		&rt715_adc25_mux),
709	SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
710	SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0),
711};
712
713static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = {
714	{"DP6TX", NULL, "ADC 09"},
715	{"DP6TX", NULL, "ADC 08"},
716	{"DP4TX", NULL, "ADC 07"},
717	{"DP4TX", NULL, "ADC 27"},
718	{"DP4TX", NULL, "ADC 09"},
719	{"DP4TX", NULL, "ADC 08"},
720
721	{"LINE1", NULL, "PDE23_24"},
722	{"LINE2", NULL, "PDE23_24"},
723	{"MIC1", NULL, "PDE23_24"},
724	{"MIC2", NULL, "PDE23_24"},
725	{"DMIC1", NULL, "PDE23_24"},
726	{"DMIC2", NULL, "PDE23_24"},
727	{"DMIC3", NULL, "PDE23_24"},
728	{"DMIC4", NULL, "PDE23_24"},
729
730	{"ADC 09", NULL, "ADC 22 Mux"},
731	{"ADC 08", NULL, "ADC 23 Mux"},
732	{"ADC 07", NULL, "ADC 24 Mux"},
733	{"ADC 27", NULL, "ADC 25 Mux"},
734	{"ADC 22 Mux", "MIC1", "MIC1"},
735	{"ADC 22 Mux", "MIC2", "MIC2"},
736	{"ADC 22 Mux", "LINE1", "LINE1"},
737	{"ADC 22 Mux", "LINE2", "LINE2"},
738	{"ADC 22 Mux", "DMIC1", "DMIC1"},
739	{"ADC 22 Mux", "DMIC2", "DMIC2"},
740	{"ADC 22 Mux", "DMIC3", "DMIC3"},
741	{"ADC 22 Mux", "DMIC4", "DMIC4"},
742	{"ADC 23 Mux", "MIC1", "MIC1"},
743	{"ADC 23 Mux", "MIC2", "MIC2"},
744	{"ADC 23 Mux", "LINE1", "LINE1"},
745	{"ADC 23 Mux", "LINE2", "LINE2"},
746	{"ADC 23 Mux", "DMIC1", "DMIC1"},
747	{"ADC 23 Mux", "DMIC2", "DMIC2"},
748	{"ADC 23 Mux", "DMIC3", "DMIC3"},
749	{"ADC 23 Mux", "DMIC4", "DMIC4"},
750	{"ADC 24 Mux", "MIC2", "MIC2"},
751	{"ADC 24 Mux", "DMIC1", "DMIC1"},
752	{"ADC 24 Mux", "DMIC2", "DMIC2"},
753	{"ADC 24 Mux", "DMIC3", "DMIC3"},
754	{"ADC 24 Mux", "DMIC4", "DMIC4"},
755	{"ADC 25 Mux", "MIC1", "MIC1"},
756	{"ADC 25 Mux", "DMIC1", "DMIC1"},
757	{"ADC 25 Mux", "DMIC2", "DMIC2"},
758	{"ADC 25 Mux", "DMIC3", "DMIC3"},
759	{"ADC 25 Mux", "DMIC4", "DMIC4"},
760};
761
762static int rt715_sdca_probe(struct snd_soc_component *component)
763{
764	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
765	int ret;
766
767	if (!rt715->first_hw_init)
768		return 0;
769
770	ret = pm_runtime_resume(component->dev);
771	if (ret < 0 && ret != -EACCES)
772		return ret;
773
774	return 0;
775}
776
777static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = {
778	.probe = rt715_sdca_probe,
779	.controls = rt715_sdca_snd_controls,
780	.num_controls = ARRAY_SIZE(rt715_sdca_snd_controls),
781	.dapm_widgets = rt715_sdca_dapm_widgets,
782	.num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets),
783	.dapm_routes = rt715_sdca_audio_map,
784	.num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map),
785	.endianness = 1,
786};
787
788static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
789				int direction)
790{
791	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
792
793	return 0;
794}
795
796static void rt715_sdca_shutdown(struct snd_pcm_substream *substream,
797				struct snd_soc_dai *dai)
798
799{
800	snd_soc_dai_set_dma_data(dai, substream, NULL);
801}
802
803static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
804				struct snd_pcm_hw_params *params,
805				struct snd_soc_dai *dai)
806{
807	struct snd_soc_component *component = dai->component;
808	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
809	struct sdw_stream_config stream_config = {0};
810	struct sdw_port_config port_config = {0};
811	struct sdw_stream_runtime *sdw_stream;
812	int retval;
813	unsigned int val;
814
815	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
816
817	if (!sdw_stream)
818		return -EINVAL;
819
820	if (!rt715->slave)
821		return -EINVAL;
822
823	snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
824
825	switch (dai->id) {
826	case RT715_AIF1:
827		port_config.num = 6;
828		rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
829			0xa500);
830		break;
831	case RT715_AIF2:
832		port_config.num = 4;
833		rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
834			0xaf00);
835		break;
836	default:
837		dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
838		return -EINVAL;
839	}
840
841	retval = sdw_stream_add_slave(rt715->slave, &stream_config,
842					&port_config, 1, sdw_stream);
843	if (retval) {
844		dev_err(component->dev, "%s: Unable to configure port, retval:%d\n",
845			__func__, retval);
846		return retval;
847	}
848
849	switch (params_rate(params)) {
850	case 8000:
851		val = 0x1;
852		break;
853	case 11025:
854		val = 0x2;
855		break;
856	case 12000:
857		val = 0x3;
858		break;
859	case 16000:
860		val = 0x4;
861		break;
862	case 22050:
863		val = 0x5;
864		break;
865	case 24000:
866		val = 0x6;
867		break;
868	case 32000:
869		val = 0x7;
870		break;
871	case 44100:
872		val = 0x8;
873		break;
874	case 48000:
875		val = 0x9;
876		break;
877	case 88200:
878		val = 0xa;
879		break;
880	case 96000:
881		val = 0xb;
882		break;
883	case 176400:
884		val = 0xc;
885		break;
886	case 192000:
887		val = 0xd;
888		break;
889	case 384000:
890		val = 0xe;
891		break;
892	case 768000:
893		val = 0xf;
894		break;
895	default:
896		dev_err(component->dev, "%s: Unsupported sample rate %d\n",
897			__func__, params_rate(params));
898		return -EINVAL;
899	}
900
901	regmap_write(rt715->regmap,
902		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN,
903			RT715_SDCA_FREQ_IND_CTRL, CH_00), val);
904
905	return 0;
906}
907
908static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
909				struct snd_soc_dai *dai)
910{
911	struct snd_soc_component *component = dai->component;
912	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
913	struct sdw_stream_runtime *sdw_stream =
914		snd_soc_dai_get_dma_data(dai, substream);
915
916	if (!rt715->slave)
917		return -EINVAL;
918
919	sdw_stream_remove_slave(rt715->slave, sdw_stream);
920	return 0;
921}
922
923#define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
924#define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
925			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
926
927static const struct snd_soc_dai_ops rt715_sdca_ops = {
928	.hw_params	= rt715_sdca_pcm_hw_params,
929	.hw_free	= rt715_sdca_pcm_hw_free,
930	.set_stream	= rt715_sdca_set_sdw_stream,
931	.shutdown	= rt715_sdca_shutdown,
932};
933
934static struct snd_soc_dai_driver rt715_sdca_dai[] = {
935	{
936		.name = "rt715-aif1",
937		.id = RT715_AIF1,
938		.capture = {
939			.stream_name = "DP6 Capture",
940			.channels_min = 1,
941			.channels_max = 2,
942			.rates = RT715_STEREO_RATES,
943			.formats = RT715_FORMATS,
944		},
945		.ops = &rt715_sdca_ops,
946	},
947	{
948		.name = "rt715-aif2",
949		.id = RT715_AIF2,
950		.capture = {
951			.stream_name = "DP4 Capture",
952			.channels_min = 1,
953			.channels_max = 2,
954			.rates = RT715_STEREO_RATES,
955			.formats = RT715_FORMATS,
956		},
957		.ops = &rt715_sdca_ops,
958	},
959};
960
961/* Bus clock frequency */
962#define RT715_CLK_FREQ_9600000HZ 9600000
963#define RT715_CLK_FREQ_12000000HZ 12000000
964#define RT715_CLK_FREQ_6000000HZ 6000000
965#define RT715_CLK_FREQ_4800000HZ 4800000
966#define RT715_CLK_FREQ_2400000HZ 2400000
967#define RT715_CLK_FREQ_12288000HZ 12288000
968
969int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap,
970	struct regmap *regmap, struct sdw_slave *slave)
971{
972	struct rt715_sdca_priv *rt715;
973	int ret;
974
975	rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL);
976	if (!rt715)
977		return -ENOMEM;
978
979	dev_set_drvdata(dev, rt715);
980	rt715->slave = slave;
981	rt715->regmap = regmap;
982	rt715->mbq_regmap = mbq_regmap;
983	rt715->hw_sdw_ver = slave->id.sdw_version;
984
985	regcache_cache_only(rt715->regmap, true);
986	regcache_cache_only(rt715->mbq_regmap, true);
987
988	/*
989	 * Mark hw_init to false
990	 * HW init will be performed when device reports present
991	 */
992	rt715->hw_init = false;
993	rt715->first_hw_init = false;
994
995	ret = devm_snd_soc_register_component(dev,
996			&soc_codec_dev_rt715_sdca,
997			rt715_sdca_dai,
998			ARRAY_SIZE(rt715_sdca_dai));
999	if (ret < 0)
1000		return ret;
1001
1002	/* set autosuspend parameters */
1003	pm_runtime_set_autosuspend_delay(dev, 3000);
1004	pm_runtime_use_autosuspend(dev);
1005
1006	/* make sure the device does not suspend immediately */
1007	pm_runtime_mark_last_busy(dev);
1008
1009	pm_runtime_enable(dev);
1010
1011	/* important note: the device is NOT tagged as 'active' and will remain
1012	 * 'suspended' until the hardware is enumerated/initialized. This is required
1013	 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1014	 * fail with -EACCESS because of race conditions between card creation and enumeration
1015	 */
1016
1017	dev_dbg(dev, "%s\n", __func__);
1018
1019	return ret;
1020}
1021
1022int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave)
1023{
1024	struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
1025	unsigned int hw_ver;
1026
1027	if (rt715->hw_init)
1028		return 0;
1029
1030	regcache_cache_only(rt715->regmap, false);
1031	regcache_cache_only(rt715->mbq_regmap, false);
1032
1033	/*
1034	 * PM runtime status is marked as 'active' only when a Slave reports as Attached
1035	 */
1036	if (!rt715->first_hw_init) {
1037		/* update count of parent 'active' children */
1038		pm_runtime_set_active(&slave->dev);
1039
1040		rt715->first_hw_init = true;
1041	}
1042
1043	pm_runtime_get_noresume(&slave->dev);
1044
1045	rt715_sdca_index_read(rt715, RT715_VENDOR_REG,
1046		RT715_PRODUCT_NUM, &hw_ver);
1047	hw_ver = hw_ver & 0x000f;
1048
1049	/* set clock selector = external */
1050	regmap_write(rt715->regmap,
1051		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
1052			RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1);
1053	/* set GPIO_4/5/6 to be 3rd/4th DMIC usage */
1054	if (hw_ver == 0x0)
1055		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1056			RT715_AD_FUNC_EN, 0x54, 0x54);
1057	else if (hw_ver == 0x1) {
1058		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1059			RT715_AD_FUNC_EN, 0x55, 0x55);
1060		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1061			RT715_REV_1, 0x40, 0x40);
1062	}
1063	/* DFLL Calibration trigger */
1064	rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1065			RT715_DFLL_VAD, 0x1, 0x1);
1066	/* trigger mode = VAD enable */
1067	regmap_write(rt715->regmap,
1068		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
1069			RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2);
1070	/* SMPU-1 interrupt enable mask */
1071	regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1);
1072
1073	/* Mark Slave initialization complete */
1074	rt715->hw_init = true;
1075
1076	pm_runtime_mark_last_busy(&slave->dev);
1077	pm_runtime_put_autosuspend(&slave->dev);
1078
1079	return 0;
1080}
1081
1082MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA");
1083MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1084MODULE_LICENSE("GPL v2");
1085