rt712-sdca-dmic.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2//
  3// rt712-sdca-dmic.c -- rt712 SDCA DMIC ALSA SoC audio driver
  4//
  5// Copyright(c) 2023 Realtek Semiconductor Corp.
  6//
  7//
  8
  9#include <linux/module.h>
 10#include <linux/mod_devicetable.h>
 11#include <linux/pm_runtime.h>
 12#include <linux/soundwire/sdw_registers.h>
 13#include <linux/slab.h>
 14#include <sound/core.h>
 15#include <sound/pcm.h>
 16#include <sound/pcm_params.h>
 17#include <sound/tlv.h>
 18#include "rt712-sdca.h"
 19#include "rt712-sdca-dmic.h"
 20
 21static bool rt712_sdca_dmic_readable_register(struct device *dev, unsigned int reg)
 22{
 23	switch (reg) {
 24	case 0x201a ... 0x201f:
 25	case 0x2029 ... 0x202a:
 26	case 0x202d ... 0x2034:
 27	case 0x2230 ... 0x2232:
 28	case 0x2f01 ... 0x2f0a:
 29	case 0x2f35 ... 0x2f36:
 30	case 0x2f52:
 31	case 0x2f58 ... 0x2f59:
 32	case 0x3201:
 33	case 0x320c:
 34		return true;
 35	default:
 36		return false;
 37	}
 38}
 39
 40static bool rt712_sdca_dmic_volatile_register(struct device *dev, unsigned int reg)
 41{
 42	switch (reg) {
 43	case 0x201b:
 44	case 0x201c:
 45	case 0x201d:
 46	case 0x201f:
 47	case 0x202d ... 0x202f:
 48	case 0x2230:
 49	case 0x2f01:
 50	case 0x2f35:
 51	case 0x320c:
 52		return true;
 53	default:
 54		return false;
 55	}
 56}
 57
 58static bool rt712_sdca_dmic_mbq_readable_register(struct device *dev, unsigned int reg)
 59{
 60	switch (reg) {
 61	case 0x2000000 ... 0x200008e:
 62	case 0x5300000 ... 0x530000e:
 63	case 0x5400000 ... 0x540000e:
 64	case 0x5600000 ... 0x5600008:
 65	case 0x5700000 ... 0x570000d:
 66	case 0x5800000 ... 0x5800021:
 67	case 0x5900000 ... 0x5900028:
 68	case 0x5a00000 ... 0x5a00009:
 69	case 0x5b00000 ... 0x5b00051:
 70	case 0x5c00000 ... 0x5c0009a:
 71	case 0x5d00000 ... 0x5d00009:
 72	case 0x5f00000 ... 0x5f00030:
 73	case 0x6100000 ... 0x6100068:
 74	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01):
 75	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_02):
 76	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_03):
 77	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_04):
 78	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01):
 79	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_02):
 80	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_03):
 81	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_04):
 82		return true;
 83	default:
 84		return false;
 85	}
 86}
 87
 88static bool rt712_sdca_dmic_mbq_volatile_register(struct device *dev, unsigned int reg)
 89{
 90	switch (reg) {
 91	case 0x2000000:
 92	case 0x200001a:
 93	case 0x2000024:
 94	case 0x2000046:
 95	case 0x200008a:
 96	case 0x5800000:
 97	case 0x5800001:
 98	case 0x6100008:
 99		return true;
100	default:
101		return false;
102	}
103}
104
105static const struct regmap_config rt712_sdca_dmic_regmap = {
106	.reg_bits = 32,
107	.val_bits = 8,
108	.readable_reg = rt712_sdca_dmic_readable_register,
109	.volatile_reg = rt712_sdca_dmic_volatile_register,
110	.max_register = 0x40981300,
111	.reg_defaults = rt712_sdca_dmic_reg_defaults,
112	.num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_reg_defaults),
113	.cache_type = REGCACHE_MAPLE,
114	.use_single_read = true,
115	.use_single_write = true,
116};
117
118static const struct regmap_config rt712_sdca_dmic_mbq_regmap = {
119	.name = "sdw-mbq",
120	.reg_bits = 32,
121	.val_bits = 16,
122	.readable_reg = rt712_sdca_dmic_mbq_readable_register,
123	.volatile_reg = rt712_sdca_dmic_mbq_volatile_register,
124	.max_register = 0x40800f14,
125	.reg_defaults = rt712_sdca_dmic_mbq_defaults,
126	.num_reg_defaults = ARRAY_SIZE(rt712_sdca_dmic_mbq_defaults),
127	.cache_type = REGCACHE_MAPLE,
128	.use_single_read = true,
129	.use_single_write = true,
130};
131
132static int rt712_sdca_dmic_index_write(struct rt712_sdca_dmic_priv *rt712,
133		unsigned int nid, unsigned int reg, unsigned int value)
134{
135	int ret;
136	struct regmap *regmap = rt712->mbq_regmap;
137	unsigned int addr = (nid << 20) | reg;
138
139	ret = regmap_write(regmap, addr, value);
140	if (ret < 0)
141		dev_err(&rt712->slave->dev,
142			"%s: Failed to set private value: %06x <= %04x ret=%d\n",
143			__func__, addr, value, ret);
144
145	return ret;
146}
147
148static int rt712_sdca_dmic_index_read(struct rt712_sdca_dmic_priv *rt712,
149		unsigned int nid, unsigned int reg, unsigned int *value)
150{
151	int ret;
152	struct regmap *regmap = rt712->mbq_regmap;
153	unsigned int addr = (nid << 20) | reg;
154
155	ret = regmap_read(regmap, addr, value);
156	if (ret < 0)
157		dev_err(&rt712->slave->dev,
158			"%s: Failed to get private value: %06x => %04x ret=%d\n",
159			__func__, addr, *value, ret);
160
161	return ret;
162}
163
164static int rt712_sdca_dmic_index_update_bits(struct rt712_sdca_dmic_priv *rt712,
165	unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
166{
167	unsigned int tmp;
168	int ret;
169
170	ret = rt712_sdca_dmic_index_read(rt712, nid, reg, &tmp);
171	if (ret < 0)
172		return ret;
173
174	set_mask_bits(&tmp, mask, val);
175	return rt712_sdca_dmic_index_write(rt712, nid, reg, tmp);
176}
177
178static int rt712_sdca_dmic_io_init(struct device *dev, struct sdw_slave *slave)
179{
180	struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
181
182	if (rt712->hw_init)
183		return 0;
184
185	regcache_cache_only(rt712->regmap, false);
186	regcache_cache_only(rt712->mbq_regmap, false);
187	if (rt712->first_hw_init) {
188		regcache_cache_bypass(rt712->regmap, true);
189		regcache_cache_bypass(rt712->mbq_regmap, true);
190	} else {
191		/*
192		 * PM runtime status is marked as 'active' only when a Slave reports as Attached
193		 */
194
195		/* update count of parent 'active' children */
196		pm_runtime_set_active(&slave->dev);
197	}
198
199	pm_runtime_get_noresume(&slave->dev);
200
201	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
202		RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112);
203	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
204		RT712_ADC0B_11_PDE_FLOAT_CTL, 0x1111);
205	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
206		RT712_DMIC1_2_PDE_FLOAT_CTL, 0x1111);
207	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
208		RT712_I2S_IN_OUT_PDE_FLOAT_CTL, 0x1155);
209	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
210		RT712_DMIC_ENT_FLOAT_CTL, 0x2626);
211	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
212		RT712_ADC_ENT_FLOAT_CTL, 0x1e19);
213	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
214		RT712_DMIC_GAIN_ENT_FLOAT_CTL0, 0x1515);
215	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
216		RT712_ADC_VOL_CH_FLOAT_CTL2, 0x0304);
217	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
218		RT712_DMIC_GAIN_ENT_FLOAT_CTL2, 0x0304);
219	rt712_sdca_dmic_index_write(rt712, RT712_VENDOR_HDA_CTL,
220		RT712_HDA_LEGACY_CONFIG_CTL0, 0x0050);
221	regmap_write(rt712->regmap,
222		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_IT26, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01);
223	rt712_sdca_dmic_index_write(rt712, RT712_ULTRA_SOUND_DET,
224		RT712_ULTRA_SOUND_DETECTOR6, 0x3200);
225	regmap_write(rt712->regmap, RT712_RC_CAL, 0x23);
226	regmap_write(rt712->regmap, 0x2f52, 0x00);
227
228	if (rt712->first_hw_init) {
229		regcache_cache_bypass(rt712->regmap, false);
230		regcache_mark_dirty(rt712->regmap);
231		regcache_cache_bypass(rt712->mbq_regmap, false);
232		regcache_mark_dirty(rt712->mbq_regmap);
233	} else
234		rt712->first_hw_init = true;
235
236	/* Mark Slave initialization complete */
237	rt712->hw_init = true;
238
239	pm_runtime_put_autosuspend(&slave->dev);
240
241	dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
242	return 0;
243}
244
245static int rt712_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol,
246		struct snd_ctl_elem_value *ucontrol)
247{
248	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
249	struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component);
250	struct rt712_sdca_dmic_kctrl_priv *p =
251		(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
252	unsigned int regvalue, ctl, i;
253	unsigned int adc_vol_flag = 0;
254	const unsigned int interval_offset = 0xc0;
255
256	if (strstr(ucontrol->id.name, "FU1E Capture Volume"))
257		adc_vol_flag = 1;
258
259	/* check all channels */
260	for (i = 0; i < p->count; i++) {
261		regmap_read(rt712->mbq_regmap, p->reg_base + i, &regvalue);
262
263		if (!adc_vol_flag) /* boost gain */
264			ctl = regvalue / 0x0a00;
265		else /* ADC gain */
266			ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset);
267
268		ucontrol->value.integer.value[i] = ctl;
269	}
270
271	return 0;
272}
273
274static int rt712_sdca_dmic_set_gain_put(struct snd_kcontrol *kcontrol,
275		struct snd_ctl_elem_value *ucontrol)
276{
277	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
278	struct rt712_sdca_dmic_kctrl_priv *p =
279		(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
280	struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component);
281	unsigned int gain_val[4];
282	unsigned int i, adc_vol_flag = 0, changed = 0;
283	unsigned int regvalue[4];
284	const unsigned int interval_offset = 0xc0;
285	int err;
286
287	if (strstr(ucontrol->id.name, "FU1E Capture Volume"))
288		adc_vol_flag = 1;
289
290	/* check all channels */
291	for (i = 0; i < p->count; i++) {
292		regmap_read(rt712->mbq_regmap, p->reg_base + i, &regvalue[i]);
293
294		gain_val[i] = ucontrol->value.integer.value[i];
295		if (gain_val[i] > p->max)
296			gain_val[i] = p->max;
297
298		if (!adc_vol_flag) /* boost gain */
299			gain_val[i] = gain_val[i] * 0x0a00;
300		else { /* ADC gain */
301			gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset);
302			gain_val[i] &= 0xffff;
303		}
304
305		if (regvalue[i] != gain_val[i])
306			changed = 1;
307	}
308
309	if (!changed)
310		return 0;
311
312	for (i = 0; i < p->count; i++) {
313		err = regmap_write(rt712->mbq_regmap, p->reg_base + i, gain_val[i]);
314		if (err < 0)
315			dev_err(&rt712->slave->dev, "%s: 0x%08x can't be set\n",
316				__func__, p->reg_base + i);
317	}
318
319	return changed;
320}
321
322static int rt712_sdca_set_fu1e_capture_ctl(struct rt712_sdca_dmic_priv *rt712)
323{
324	int err, i;
325	unsigned int ch_mute;
326
327	for (i = 0; i < ARRAY_SIZE(rt712->fu1e_mixer_mute); i++) {
328		ch_mute = (rt712->fu1e_dapm_mute || rt712->fu1e_mixer_mute[i]) ? 0x01 : 0x00;
329		err = regmap_write(rt712->regmap,
330				SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E,
331				RT712_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute);
332		if (err < 0)
333			return err;
334	}
335
336	return 0;
337}
338
339static int rt712_sdca_dmic_fu1e_capture_get(struct snd_kcontrol *kcontrol,
340			struct snd_ctl_elem_value *ucontrol)
341{
342	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
343	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
344	struct rt712_sdca_dmic_kctrl_priv *p =
345		(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
346	unsigned int i;
347
348	for (i = 0; i < p->count; i++)
349		ucontrol->value.integer.value[i] = !rt712->fu1e_mixer_mute[i];
350
351	return 0;
352}
353
354static int rt712_sdca_dmic_fu1e_capture_put(struct snd_kcontrol *kcontrol,
355			struct snd_ctl_elem_value *ucontrol)
356{
357	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
358	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
359	struct rt712_sdca_dmic_kctrl_priv *p =
360		(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
361	int err, changed = 0, i;
362
363	for (i = 0; i < p->count; i++) {
364		if (rt712->fu1e_mixer_mute[i] != !ucontrol->value.integer.value[i])
365			changed = 1;
366		rt712->fu1e_mixer_mute[i] = !ucontrol->value.integer.value[i];
367	}
368
369	err = rt712_sdca_set_fu1e_capture_ctl(rt712);
370	if (err < 0)
371		return err;
372
373	return changed;
374}
375
376static int rt712_sdca_fu_info(struct snd_kcontrol *kcontrol,
377	struct snd_ctl_elem_info *uinfo)
378{
379	struct rt712_sdca_dmic_kctrl_priv *p =
380		(struct rt712_sdca_dmic_kctrl_priv *)kcontrol->private_value;
381
382	if (p->max == 1)
383		uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
384	else
385		uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
386	uinfo->count = p->count;
387	uinfo->value.integer.min = 0;
388	uinfo->value.integer.max = p->max;
389	return 0;
390}
391
392#define RT712_SDCA_PR_VALUE(xreg_base, xcount, xmax, xinvert) \
393	((unsigned long)&(struct rt712_sdca_dmic_kctrl_priv) \
394		{.reg_base = xreg_base, .count = xcount, .max = xmax, \
395		.invert = xinvert})
396
397#define RT712_SDCA_FU_CTRL(xname, reg_base, xmax, xinvert, xcount) \
398{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
399	.info = rt712_sdca_fu_info, \
400	.get = rt712_sdca_dmic_fu1e_capture_get, \
401	.put = rt712_sdca_dmic_fu1e_capture_put, \
402	.private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, xinvert)}
403
404#define RT712_SDCA_EXT_TLV(xname, reg_base, xhandler_get,\
405	 xhandler_put, xcount, xmax, tlv_array) \
406{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
407	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
408		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
409	.tlv.p = (tlv_array), \
410	.info = rt712_sdca_fu_info, \
411	.get = xhandler_get, .put = xhandler_put, \
412	.private_value = RT712_SDCA_PR_VALUE(reg_base, xcount, xmax, 0) }
413
414static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
415static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
416
417static const struct snd_kcontrol_new rt712_sdca_dmic_snd_controls[] = {
418	RT712_SDCA_FU_CTRL("FU1E Capture Switch",
419		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_MUTE, CH_01),
420		1, 1, 4),
421	RT712_SDCA_EXT_TLV("FU1E Capture Volume",
422		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01),
423		rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 0x3f, in_vol_tlv),
424	RT712_SDCA_EXT_TLV("FU15 Boost Volume",
425		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01),
426		rt712_sdca_dmic_set_gain_get, rt712_sdca_dmic_set_gain_put, 4, 3, mic_vol_tlv),
427};
428
429static int rt712_sdca_dmic_mux_get(struct snd_kcontrol *kcontrol,
430			struct snd_ctl_elem_value *ucontrol)
431{
432	struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol);
433	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
434	unsigned int val = 0, mask_sft;
435
436	if (strstr(ucontrol->id.name, "ADC 25 Mux"))
437		mask_sft = 8;
438	else if (strstr(ucontrol->id.name, "ADC 26 Mux"))
439		mask_sft = 4;
440	else
441		return -EINVAL;
442
443	rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL,
444		RT712_HDA_LEGACY_MUX_CTL0, &val);
445
446	ucontrol->value.enumerated.item[0] = (val >> mask_sft) & 0x7;
447
448	return 0;
449}
450
451static int rt712_sdca_dmic_mux_put(struct snd_kcontrol *kcontrol,
452			struct snd_ctl_elem_value *ucontrol)
453{
454	struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol);
455	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
456	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
457	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
458	unsigned int *item = ucontrol->value.enumerated.item;
459	unsigned int val, val2 = 0, change, mask_sft;
460
461	if (item[0] >= e->items)
462		return -EINVAL;
463
464	if (strstr(ucontrol->id.name, "ADC 25 Mux"))
465		mask_sft = 8;
466	else if (strstr(ucontrol->id.name, "ADC 26 Mux"))
467		mask_sft = 4;
468	else
469		return -EINVAL;
470
471	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
472
473	rt712_sdca_dmic_index_read(rt712, RT712_VENDOR_HDA_CTL,
474		RT712_HDA_LEGACY_MUX_CTL0, &val2);
475	val2 = (0x7 << mask_sft) & val2;
476
477	if (val == val2)
478		change = 0;
479	else
480		change = 1;
481
482	if (change)
483		rt712_sdca_dmic_index_update_bits(rt712, RT712_VENDOR_HDA_CTL,
484			RT712_HDA_LEGACY_MUX_CTL0, 0x7 << mask_sft,
485			val << mask_sft);
486
487	snd_soc_dapm_mux_update_power(dapm, kcontrol,
488		item[0], e, NULL);
489
490	return change;
491}
492
493static const char * const adc_mux_text[] = {
494	"DMIC1",
495	"DMIC2",
496};
497
498static SOC_ENUM_SINGLE_DECL(
499	rt712_adc25_enum, SND_SOC_NOPM, 0, adc_mux_text);
500
501static SOC_ENUM_SINGLE_DECL(
502	rt712_adc26_enum, SND_SOC_NOPM, 0, adc_mux_text);
503
504static const struct snd_kcontrol_new rt712_sdca_dmic_adc25_mux =
505	SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt712_adc25_enum,
506			rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put);
507
508static const struct snd_kcontrol_new rt712_sdca_dmic_adc26_mux =
509	SOC_DAPM_ENUM_EXT("ADC 26 Mux", rt712_adc26_enum,
510			rt712_sdca_dmic_mux_get, rt712_sdca_dmic_mux_put);
511
512static int rt712_sdca_dmic_fu1e_event(struct snd_soc_dapm_widget *w,
513	struct snd_kcontrol *kcontrol, int event)
514{
515	struct snd_soc_component *component =
516		snd_soc_dapm_to_component(w->dapm);
517	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
518
519	switch (event) {
520	case SND_SOC_DAPM_POST_PMU:
521		rt712->fu1e_dapm_mute = false;
522		rt712_sdca_set_fu1e_capture_ctl(rt712);
523		break;
524	case SND_SOC_DAPM_PRE_PMD:
525		rt712->fu1e_dapm_mute = true;
526		rt712_sdca_set_fu1e_capture_ctl(rt712);
527		break;
528	}
529	return 0;
530}
531
532static int rt712_sdca_dmic_pde11_event(struct snd_soc_dapm_widget *w,
533	struct snd_kcontrol *kcontrol, int event)
534{
535	struct snd_soc_component *component =
536		snd_soc_dapm_to_component(w->dapm);
537	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
538	unsigned char ps0 = 0x0, ps3 = 0x3;
539
540	switch (event) {
541	case SND_SOC_DAPM_POST_PMU:
542		regmap_write(rt712->regmap,
543			SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11,
544				RT712_SDCA_CTL_REQ_POWER_STATE, 0),
545				ps0);
546		break;
547	case SND_SOC_DAPM_PRE_PMD:
548		regmap_write(rt712->regmap,
549			SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PDE11,
550				RT712_SDCA_CTL_REQ_POWER_STATE, 0),
551				ps3);
552		break;
553	}
554	return 0;
555}
556
557static const struct snd_soc_dapm_widget rt712_sdca_dmic_dapm_widgets[] = {
558	SND_SOC_DAPM_INPUT("DMIC1"),
559	SND_SOC_DAPM_INPUT("DMIC2"),
560
561	SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0,
562		rt712_sdca_dmic_pde11_event,
563		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
564
565	SND_SOC_DAPM_ADC_E("FU 1E", NULL, SND_SOC_NOPM, 0, 0,
566		rt712_sdca_dmic_fu1e_event,
567		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
568	SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
569		&rt712_sdca_dmic_adc25_mux),
570	SND_SOC_DAPM_MUX("ADC 26 Mux", SND_SOC_NOPM, 0, 0,
571		&rt712_sdca_dmic_adc26_mux),
572
573	SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
574};
575
576static const struct snd_soc_dapm_route rt712_sdca_dmic_audio_map[] = {
577	{"DP2TX", NULL, "FU 1E"},
578
579	{"FU 1E", NULL, "PDE 11"},
580	{"FU 1E", NULL, "ADC 25 Mux"},
581	{"FU 1E", NULL, "ADC 26 Mux"},
582	{"ADC 25 Mux", "DMIC1", "DMIC1"},
583	{"ADC 25 Mux", "DMIC2", "DMIC2"},
584	{"ADC 26 Mux", "DMIC1", "DMIC1"},
585	{"ADC 26 Mux", "DMIC2", "DMIC2"},
586};
587
588static int rt712_sdca_dmic_probe(struct snd_soc_component *component)
589{
590	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
591	int ret;
592
593	rt712->component = component;
594
595	if (!rt712->first_hw_init)
596		return 0;
597
598	ret = pm_runtime_resume(component->dev);
599	if (ret < 0 && ret != -EACCES)
600		return ret;
601
602	return 0;
603}
604
605static const struct snd_soc_component_driver soc_sdca_dev_rt712_dmic = {
606	.probe = rt712_sdca_dmic_probe,
607	.controls = rt712_sdca_dmic_snd_controls,
608	.num_controls = ARRAY_SIZE(rt712_sdca_dmic_snd_controls),
609	.dapm_widgets = rt712_sdca_dmic_dapm_widgets,
610	.num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dmic_dapm_widgets),
611	.dapm_routes = rt712_sdca_dmic_audio_map,
612	.num_dapm_routes = ARRAY_SIZE(rt712_sdca_dmic_audio_map),
613	.endianness = 1,
614};
615
616static int rt712_sdca_dmic_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
617				int direction)
618{
619	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
620
621	return 0;
622}
623
624static void rt712_sdca_dmic_shutdown(struct snd_pcm_substream *substream,
625				struct snd_soc_dai *dai)
626{
627	snd_soc_dai_set_dma_data(dai, substream, NULL);
628}
629
630static int rt712_sdca_dmic_hw_params(struct snd_pcm_substream *substream,
631				struct snd_pcm_hw_params *params,
632				struct snd_soc_dai *dai)
633{
634	struct snd_soc_component *component = dai->component;
635	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
636	struct sdw_stream_config stream_config;
637	struct sdw_port_config port_config;
638	struct sdw_stream_runtime *sdw_stream;
639	int retval, num_channels;
640	unsigned int sampling_rate;
641
642	dev_dbg(dai->dev, "%s %s", __func__, dai->name);
643	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
644
645	if (!sdw_stream)
646		return -EINVAL;
647
648	if (!rt712->slave)
649		return -EINVAL;
650
651	stream_config.frame_rate = params_rate(params);
652	stream_config.ch_count = params_channels(params);
653	stream_config.bps = snd_pcm_format_width(params_format(params));
654	stream_config.direction = SDW_DATA_DIR_TX;
655
656	num_channels = params_channels(params);
657	port_config.ch_mask = GENMASK(num_channels - 1, 0);
658	port_config.num = 2;
659
660	retval = sdw_stream_add_slave(rt712->slave, &stream_config,
661					&port_config, 1, sdw_stream);
662	if (retval) {
663		dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
664		return retval;
665	}
666
667	if (params_channels(params) > 4) {
668		dev_err(component->dev, "%s: Unsupported channels %d\n",
669			__func__, params_channels(params));
670		return -EINVAL;
671	}
672
673	/* sampling rate configuration */
674	switch (params_rate(params)) {
675	case 16000:
676		sampling_rate = RT712_SDCA_RATE_16000HZ;
677		break;
678	case 32000:
679		sampling_rate = RT712_SDCA_RATE_32000HZ;
680		break;
681	case 44100:
682		sampling_rate = RT712_SDCA_RATE_44100HZ;
683		break;
684	case 48000:
685		sampling_rate = RT712_SDCA_RATE_48000HZ;
686		break;
687	case 96000:
688		sampling_rate = RT712_SDCA_RATE_96000HZ;
689		break;
690	case 192000:
691		sampling_rate = RT712_SDCA_RATE_192000HZ;
692		break;
693	default:
694		dev_err(component->dev, "%s: Rate %d is not supported\n",
695			__func__, params_rate(params));
696		return -EINVAL;
697	}
698
699	/* set sampling frequency */
700	regmap_write(rt712->regmap,
701		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1F, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
702		sampling_rate);
703	regmap_write(rt712->regmap,
704		SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_CS1C, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
705		sampling_rate);
706
707	return 0;
708}
709
710static int rt712_sdca_dmic_hw_free(struct snd_pcm_substream *substream,
711				struct snd_soc_dai *dai)
712{
713	struct snd_soc_component *component = dai->component;
714	struct rt712_sdca_dmic_priv *rt712 = snd_soc_component_get_drvdata(component);
715	struct sdw_stream_runtime *sdw_stream =
716		snd_soc_dai_get_dma_data(dai, substream);
717
718	if (!rt712->slave)
719		return -EINVAL;
720
721	sdw_stream_remove_slave(rt712->slave, sdw_stream);
722	return 0;
723}
724
725#define RT712_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
726			SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
727#define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
728			SNDRV_PCM_FMTBIT_S24_LE)
729
730static const struct snd_soc_dai_ops rt712_sdca_dmic_ops = {
731	.hw_params	= rt712_sdca_dmic_hw_params,
732	.hw_free	= rt712_sdca_dmic_hw_free,
733	.set_stream	= rt712_sdca_dmic_set_sdw_stream,
734	.shutdown	= rt712_sdca_dmic_shutdown,
735};
736
737static struct snd_soc_dai_driver rt712_sdca_dmic_dai[] = {
738	{
739		.name = "rt712-sdca-dmic-aif1",
740		.id = RT712_AIF1,
741		.capture = {
742			.stream_name = "DP2 Capture",
743			.channels_min = 1,
744			.channels_max = 4,
745			.rates = RT712_STEREO_RATES,
746			.formats = RT712_FORMATS,
747		},
748		.ops = &rt712_sdca_dmic_ops,
749	},
750};
751
752static int rt712_sdca_dmic_init(struct device *dev, struct regmap *regmap,
753			struct regmap *mbq_regmap, struct sdw_slave *slave)
754{
755	struct rt712_sdca_dmic_priv *rt712;
756	int ret;
757
758	rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL);
759	if (!rt712)
760		return -ENOMEM;
761
762	dev_set_drvdata(dev, rt712);
763	rt712->slave = slave;
764	rt712->regmap = regmap;
765	rt712->mbq_regmap = mbq_regmap;
766
767	regcache_cache_only(rt712->regmap, true);
768	regcache_cache_only(rt712->mbq_regmap, true);
769
770	/*
771	 * Mark hw_init to false
772	 * HW init will be performed when device reports present
773	 */
774	rt712->hw_init = false;
775	rt712->first_hw_init = false;
776	rt712->fu1e_dapm_mute = true;
777	rt712->fu1e_mixer_mute[0] = rt712->fu1e_mixer_mute[1] =
778		rt712->fu1e_mixer_mute[2] = rt712->fu1e_mixer_mute[3] = true;
779
780	ret =  devm_snd_soc_register_component(dev,
781			&soc_sdca_dev_rt712_dmic,
782			rt712_sdca_dmic_dai,
783			ARRAY_SIZE(rt712_sdca_dmic_dai));
784	if (ret < 0)
785		return ret;
786
787	/* set autosuspend parameters */
788	pm_runtime_set_autosuspend_delay(dev, 3000);
789	pm_runtime_use_autosuspend(dev);
790
791	/* make sure the device does not suspend immediately */
792	pm_runtime_mark_last_busy(dev);
793
794	pm_runtime_enable(dev);
795
796	/* important note: the device is NOT tagged as 'active' and will remain
797	 * 'suspended' until the hardware is enumerated/initialized. This is required
798	 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
799	 * fail with -EACCESS because of race conditions between card creation and enumeration
800	 */
801
802	dev_dbg(dev, "%s\n", __func__);
803
804	return 0;
805}
806
807
808static int rt712_sdca_dmic_update_status(struct sdw_slave *slave,
809				enum sdw_slave_status status)
810{
811	struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(&slave->dev);
812
813	if (status == SDW_SLAVE_UNATTACHED)
814		rt712->hw_init = false;
815
816	/*
817	 * Perform initialization only if slave status is present and
818	 * hw_init flag is false
819	 */
820	if (rt712->hw_init || status != SDW_SLAVE_ATTACHED)
821		return 0;
822
823	/* perform I/O transfers required for Slave initialization */
824	return rt712_sdca_dmic_io_init(&slave->dev, slave);
825}
826
827static int rt712_sdca_dmic_read_prop(struct sdw_slave *slave)
828{
829	struct sdw_slave_prop *prop = &slave->prop;
830	int nval, i;
831	u32 bit;
832	unsigned long addr;
833	struct sdw_dpn_prop *dpn;
834
835	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
836	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
837
838	prop->paging_support = true;
839
840	/* first we need to allocate memory for set bits in port lists */
841	prop->source_ports = BIT(2); /* BITMAP: 00000100 */
842	prop->sink_ports = 0;
843
844	nval = hweight32(prop->source_ports);
845	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
846		sizeof(*prop->src_dpn_prop), GFP_KERNEL);
847	if (!prop->src_dpn_prop)
848		return -ENOMEM;
849
850	i = 0;
851	dpn = prop->src_dpn_prop;
852	addr = prop->source_ports;
853	for_each_set_bit(bit, &addr, 32) {
854		dpn[i].num = bit;
855		dpn[i].type = SDW_DPN_FULL;
856		dpn[i].simple_ch_prep_sm = true;
857		dpn[i].ch_prep_timeout = 10;
858		i++;
859	}
860
861	/* set the timeout values */
862	prop->clk_stop_timeout = 200;
863
864	/* wake-up event */
865	prop->wake_capable = 1;
866
867	return 0;
868}
869
870static const struct sdw_device_id rt712_sdca_dmic_id[] = {
871	SDW_SLAVE_ENTRY_EXT(0x025d, 0x1712, 0x3, 0x1, 0),
872	SDW_SLAVE_ENTRY_EXT(0x025d, 0x1713, 0x3, 0x1, 0),
873	SDW_SLAVE_ENTRY_EXT(0x025d, 0x1716, 0x3, 0x1, 0),
874	SDW_SLAVE_ENTRY_EXT(0x025d, 0x1717, 0x3, 0x1, 0),
875	{},
876};
877MODULE_DEVICE_TABLE(sdw, rt712_sdca_dmic_id);
878
879static int rt712_sdca_dmic_dev_suspend(struct device *dev)
880{
881	struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
882
883	if (!rt712->hw_init)
884		return 0;
885
886	regcache_cache_only(rt712->regmap, true);
887	regcache_cache_only(rt712->mbq_regmap, true);
888
889	return 0;
890}
891
892static int rt712_sdca_dmic_dev_system_suspend(struct device *dev)
893{
894	struct rt712_sdca_dmic_priv *rt712_sdca = dev_get_drvdata(dev);
895
896	if (!rt712_sdca->hw_init)
897		return 0;
898
899	return rt712_sdca_dmic_dev_suspend(dev);
900}
901
902#define RT712_PROBE_TIMEOUT 5000
903
904static int rt712_sdca_dmic_dev_resume(struct device *dev)
905{
906	struct sdw_slave *slave = dev_to_sdw_dev(dev);
907	struct rt712_sdca_dmic_priv *rt712 = dev_get_drvdata(dev);
908	unsigned long time;
909
910	if (!rt712->first_hw_init)
911		return 0;
912
913	if (!slave->unattach_request)
914		goto regmap_sync;
915
916	time = wait_for_completion_timeout(&slave->initialization_complete,
917				msecs_to_jiffies(RT712_PROBE_TIMEOUT));
918	if (!time) {
919		dev_err(&slave->dev, "%s: Initialization not complete, timed out\n",
920			__func__);
921		sdw_show_ping_status(slave->bus, true);
922
923		return -ETIMEDOUT;
924	}
925
926regmap_sync:
927	slave->unattach_request = 0;
928	regcache_cache_only(rt712->regmap, false);
929	regcache_sync(rt712->regmap);
930	regcache_cache_only(rt712->mbq_regmap, false);
931	regcache_sync(rt712->mbq_regmap);
932	return 0;
933}
934
935static const struct dev_pm_ops rt712_sdca_dmic_pm = {
936	SYSTEM_SLEEP_PM_OPS(rt712_sdca_dmic_dev_system_suspend, rt712_sdca_dmic_dev_resume)
937	RUNTIME_PM_OPS(rt712_sdca_dmic_dev_suspend, rt712_sdca_dmic_dev_resume, NULL)
938};
939
940
941static const struct sdw_slave_ops rt712_sdca_dmic_slave_ops = {
942	.read_prop = rt712_sdca_dmic_read_prop,
943	.update_status = rt712_sdca_dmic_update_status,
944};
945
946static int rt712_sdca_dmic_sdw_probe(struct sdw_slave *slave,
947				const struct sdw_device_id *id)
948{
949	struct regmap *regmap, *mbq_regmap;
950
951	/* Regmap Initialization */
952	mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_dmic_mbq_regmap);
953	if (IS_ERR(mbq_regmap))
954		return PTR_ERR(mbq_regmap);
955
956	regmap = devm_regmap_init_sdw(slave, &rt712_sdca_dmic_regmap);
957	if (IS_ERR(regmap))
958		return PTR_ERR(regmap);
959
960	return rt712_sdca_dmic_init(&slave->dev, regmap, mbq_regmap, slave);
961}
962
963static int rt712_sdca_dmic_sdw_remove(struct sdw_slave *slave)
964{
965	pm_runtime_disable(&slave->dev);
966
967	return 0;
968}
969
970static struct sdw_driver rt712_sdca_dmic_sdw_driver = {
971	.driver = {
972		.name = "rt712-sdca-dmic",
973		.pm = pm_ptr(&rt712_sdca_dmic_pm),
974	},
975	.probe = rt712_sdca_dmic_sdw_probe,
976	.remove = rt712_sdca_dmic_sdw_remove,
977	.ops = &rt712_sdca_dmic_slave_ops,
978	.id_table = rt712_sdca_dmic_id,
979};
980module_sdw_driver(rt712_sdca_dmic_sdw_driver);
981
982MODULE_DESCRIPTION("ASoC RT712 SDCA DMIC SDW driver");
983MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
984MODULE_LICENSE("GPL");