1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * rt715.c -- rt715 ALSA SoC audio driver
4  *
5  * Copyright(c) 2019 Realtek Semiconductor Corp.
6  *
7  * ALC715 ASoC Codec Driver based Intel Dummy SdW codec driver
8  *
9  */
10 
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/i2c.h>
16 #include <linux/pm_runtime.h>
17 #include <linux/pm.h>
18 #include <linux/soundwire/sdw.h>
19 #include <linux/regmap.h>
20 #include <linux/slab.h>
21 #include <linux/platform_device.h>
22 #include <linux/regulator/consumer.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/sdw.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31 #include <sound/hda_verbs.h>
32 
33 #include "rt715.h"
34 
rt715_index_write(struct regmap * regmap,unsigned int reg,unsigned int value)35 static int rt715_index_write(struct regmap *regmap, unsigned int reg,
36 		unsigned int value)
37 {
38 	int ret;
39 	unsigned int addr = ((RT715_PRIV_INDEX_W_H) << 8) | reg;
40 
41 	ret = regmap_write(regmap, addr, value);
42 	if (ret < 0) {
43 		pr_err("%s: Failed to set private value: %08x <= %04x %d\n",
44 		       __func__, addr, value, ret);
45 	}
46 
47 	return ret;
48 }
49 
rt715_index_write_nid(struct regmap * regmap,unsigned int nid,unsigned int reg,unsigned int value)50 static int rt715_index_write_nid(struct regmap *regmap,
51 		unsigned int nid, unsigned int reg, unsigned int value)
52 {
53 	int ret;
54 	unsigned int addr = ((RT715_PRIV_INDEX_W_H_2 | nid) << 8) | reg;
55 
56 	ret = regmap_write(regmap, addr, value);
57 	if (ret < 0)
58 		pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
59 		       __func__, addr, value, ret);
60 
61 	return ret;
62 }
63 
rt715_index_read_nid(struct regmap * regmap,unsigned int nid,unsigned int reg,unsigned int * value)64 static int rt715_index_read_nid(struct regmap *regmap,
65 		unsigned int nid, unsigned int reg, unsigned int *value)
66 {
67 	int ret;
68 	unsigned int addr = ((RT715_PRIV_INDEX_W_H_2 | nid) << 8) | reg;
69 
70 	*value = 0;
71 	ret = regmap_read(regmap, addr, value);
72 	if (ret < 0)
73 		pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
74 		       __func__, addr, *value, ret);
75 
76 	return ret;
77 }
78 
rt715_index_update_bits(struct regmap * regmap,unsigned int nid,unsigned int reg,unsigned int mask,unsigned int val)79 static int rt715_index_update_bits(struct regmap *regmap, unsigned int nid,
80 			unsigned int reg, unsigned int mask, unsigned int val)
81 {
82 	unsigned int tmp, orig;
83 	int ret;
84 
85 	ret = rt715_index_read_nid(regmap, nid, reg, &orig);
86 	if (ret < 0)
87 		return ret;
88 
89 	tmp = orig & ~mask;
90 	tmp |= val & mask;
91 
92 	return rt715_index_write_nid(regmap, nid, reg, tmp);
93 }
94 
rt715_reset(struct regmap * regmap)95 static void rt715_reset(struct regmap *regmap)
96 {
97 	regmap_write(regmap, RT715_FUNC_RESET, 0);
98 	rt715_index_update_bits(regmap, RT715_VENDOR_REGISTERS,
99 		RT715_VD_CLEAR_CTRL, RT715_CLEAR_HIDDEN_REG,
100 		RT715_CLEAR_HIDDEN_REG);
101 }
102 
103 
rt715_get_gain(struct rt715_priv * rt715,unsigned int addr_h,unsigned int addr_l,unsigned int val_h,unsigned int * r_val,unsigned int * l_val)104 static void rt715_get_gain(struct rt715_priv *rt715, unsigned int addr_h,
105 				unsigned int addr_l, unsigned int val_h,
106 				unsigned int *r_val, unsigned int *l_val)
107 {
108 	int ret;
109 	/* R Channel */
110 	*r_val = val_h << 8;
111 	ret = regmap_read(rt715->regmap, addr_l, r_val);
112 	if (ret < 0)
113 		pr_err("Failed to get R channel gain.\n");
114 
115 	/* L Channel */
116 	val_h |= 0x20;
117 	*l_val = val_h << 8;
118 	ret = regmap_read(rt715->regmap, addr_h, l_val);
119 	if (ret < 0)
120 		pr_err("Failed to get L channel gain.\n");
121 }
122 
123 /* For Verb-Set Amplifier Gain (Verb ID = 3h) */
rt715_set_amp_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)124 static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol,
125 					struct snd_ctl_elem_value *ucontrol)
126 {
127 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
128 	struct snd_soc_dapm_context *dapm =
129 		snd_soc_component_get_dapm(component);
130 	struct soc_mixer_control *mc =
131 		(struct soc_mixer_control *)kcontrol->private_value;
132 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
133 	unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
134 	unsigned int read_ll, read_rl, i;
135 	unsigned int k_vol_changed = 0;
136 
137 	for (i = 0; i < 2; i++) {
138 		if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_vol_ori[i]) {
139 			k_vol_changed = 1;
140 			break;
141 		}
142 	}
143 
144 	/* Can't use update bit function, so read the original value first */
145 	addr_h = mc->reg;
146 	addr_l = mc->rreg;
147 
148 	if (mc->shift == RT715_DIR_OUT_SFT) /* output */
149 		val_h = 0x80;
150 	else /* input */
151 		val_h = 0x0;
152 
153 	rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
154 
155 	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
156 		regmap_write(rt715->regmap,
157 				RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
158 
159 	/* L Channel */
160 	rt715->kctl_2ch_vol_ori[0] = ucontrol->value.integer.value[0];
161 	/* for gain */
162 	val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
163 	if (val_ll > mc->max)
164 		val_ll = mc->max;
165 	/* keep mute status */
166 	val_ll |= read_ll & 0x80;
167 
168 	/* R Channel */
169 	rt715->kctl_2ch_vol_ori[1] = ucontrol->value.integer.value[1];
170 	/* for gain */
171 	val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
172 	if (val_lr > mc->max)
173 		val_lr = mc->max;
174 	/* keep mute status */
175 	val_lr |= read_rl & 0x80;
176 
177 	for (i = 0; i < 3; i++) { /* retry 3 times at most */
178 
179 		if (val_ll == val_lr) {
180 			/* Set both L/R channels at the same time */
181 			val_h = (1 << mc->shift) | (3 << 4);
182 			regmap_write(rt715->regmap, addr_h,
183 				(val_h << 8) | val_ll);
184 			regmap_write(rt715->regmap, addr_l,
185 				(val_h << 8) | val_ll);
186 		} else {
187 			/* Lch*/
188 			val_h = (1 << mc->shift) | (1 << 5);
189 			regmap_write(rt715->regmap, addr_h,
190 				(val_h << 8) | val_ll);
191 			/* Rch */
192 			val_h = (1 << mc->shift) | (1 << 4);
193 			regmap_write(rt715->regmap, addr_l,
194 				(val_h << 8) | val_lr);
195 		}
196 		/* check result */
197 		if (mc->shift == RT715_DIR_OUT_SFT) /* output */
198 			val_h = 0x80;
199 		else /* input */
200 			val_h = 0x0;
201 
202 		rt715_get_gain(rt715, addr_h, addr_l, val_h,
203 				&read_rl, &read_ll);
204 		if (read_rl == val_lr && read_ll == val_ll)
205 			break;
206 	}
207 
208 	/* D0:power on state, D3: power saving mode */
209 	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
210 		regmap_write(rt715->regmap,
211 				RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
212 	return k_vol_changed;
213 }
214 
rt715_set_amp_gain_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)215 static int rt715_set_amp_gain_get(struct snd_kcontrol *kcontrol,
216 				  struct snd_ctl_elem_value *ucontrol)
217 {
218 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
219 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
220 	struct soc_mixer_control *mc =
221 		(struct soc_mixer_control *)kcontrol->private_value;
222 	unsigned int addr_h, addr_l, val_h;
223 	unsigned int read_ll, read_rl;
224 
225 	addr_h = mc->reg;
226 	addr_l = mc->rreg;
227 	if (mc->shift == RT715_DIR_OUT_SFT) /* output */
228 		val_h = 0x80;
229 	else /* input */
230 		val_h = 0x0;
231 
232 	rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
233 
234 	if (mc->invert) {
235 		/* for mute status */
236 		read_ll = !(read_ll & 0x80);
237 		read_rl = !(read_rl & 0x80);
238 	} else {
239 		/* for gain */
240 		read_ll = read_ll & 0x7f;
241 		read_rl = read_rl & 0x7f;
242 	}
243 	ucontrol->value.integer.value[0] = read_ll;
244 	ucontrol->value.integer.value[1] = read_rl;
245 
246 	return 0;
247 }
248 
rt715_set_main_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)249 static int rt715_set_main_switch_put(struct snd_kcontrol *kcontrol,
250 					struct snd_ctl_elem_value *ucontrol)
251 {
252 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
253 	struct snd_soc_dapm_context *dapm =
254 		snd_soc_component_get_dapm(component);
255 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
256 	static const unsigned int capture_reg_H[] = {
257 		RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_LINE_ADC_H,
258 		RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC2_H };
259 	static const unsigned int capture_reg_L[] = {
260 		RT715_SET_GAIN_MIC_ADC_L, RT715_SET_GAIN_LINE_ADC_L,
261 		RT715_SET_GAIN_MIX_ADC_L, RT715_SET_GAIN_MIX_ADC2_L };
262 	unsigned int addr_h, addr_l, val_h = 0x0, val_ll, val_lr;
263 	unsigned int k_shift = RT715_DIR_IN_SFT, k_changed = 0;
264 	unsigned int read_ll, read_rl, i, j, loop_cnt = 4;
265 
266 	for (i = 0; i < 8; i++) {
267 		if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_switch_ori[i])
268 			k_changed = 1;
269 	}
270 
271 	for (j = 0; j < loop_cnt; j++) {
272 		/* Can't use update bit function, so read the original value first */
273 		addr_h = capture_reg_H[j];
274 		addr_l = capture_reg_L[j];
275 		rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
276 
277 		if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
278 			regmap_write(rt715->regmap,
279 					RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
280 
281 		/* L Channel */
282 		/* for mute */
283 		rt715->kctl_8ch_switch_ori[j * 2] =
284 			ucontrol->value.integer.value[j * 2];
285 		val_ll = (!ucontrol->value.integer.value[j * 2]) << 7;
286 		/* keep gain */
287 		val_ll |= read_ll & 0x7f;
288 
289 		/* R Channel */
290 		/* for mute */
291 		rt715->kctl_8ch_switch_ori[j * 2 + 1] =
292 			ucontrol->value.integer.value[j * 2 + 1];
293 		val_lr = (!ucontrol->value.integer.value[j * 2 + 1]) << 7;
294 		/* keep gain */
295 		val_lr |= read_rl & 0x7f;
296 
297 		for (i = 0; i < 3; i++) { /* retry 3 times at most */
298 
299 			if (val_ll == val_lr) {
300 				/* Set both L/R channels at the same time */
301 				val_h = (1 << k_shift) | (3 << 4);
302 				regmap_write(rt715->regmap, addr_h,
303 					(val_h << 8) | val_ll);
304 				regmap_write(rt715->regmap, addr_l,
305 					(val_h << 8) | val_ll);
306 			} else {
307 				/* Lch*/
308 				val_h = (1 << k_shift) | (1 << 5);
309 				regmap_write(rt715->regmap, addr_h,
310 					(val_h << 8) | val_ll);
311 				/* Rch */
312 				val_h = (1 << k_shift) | (1 << 4);
313 				regmap_write(rt715->regmap, addr_l,
314 					(val_h << 8) | val_lr);
315 			}
316 			val_h = 0x0;
317 			rt715_get_gain(rt715, addr_h, addr_l, val_h,
318 					&read_rl, &read_ll);
319 			if (read_rl == val_lr && read_ll == val_ll)
320 				break;
321 		}
322 	}
323 
324 	/* D0:power on state, D3: power saving mode */
325 	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
326 		regmap_write(rt715->regmap,
327 				RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
328 	return k_changed;
329 }
330 
rt715_set_main_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)331 static int rt715_set_main_switch_get(struct snd_kcontrol *kcontrol,
332 				  struct snd_ctl_elem_value *ucontrol)
333 {
334 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
335 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
336 	static const unsigned int capture_reg_H[] = {
337 		RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_LINE_ADC_H,
338 		RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC2_H };
339 	static const unsigned int capture_reg_L[] = {
340 		RT715_SET_GAIN_MIC_ADC_L, RT715_SET_GAIN_LINE_ADC_L,
341 		RT715_SET_GAIN_MIX_ADC_L, RT715_SET_GAIN_MIX_ADC2_L };
342 	unsigned int addr_h, addr_l, val_h = 0x0, i, loop_cnt = 4;
343 	unsigned int read_ll, read_rl;
344 
345 	for (i = 0; i < loop_cnt; i++) {
346 		addr_h = capture_reg_H[i];
347 		addr_l = capture_reg_L[i];
348 		rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
349 
350 		ucontrol->value.integer.value[i * 2] = !(read_ll & 0x80);
351 		ucontrol->value.integer.value[i * 2 + 1] = !(read_rl & 0x80);
352 	}
353 
354 	return 0;
355 }
356 
rt715_set_main_vol_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)357 static int rt715_set_main_vol_put(struct snd_kcontrol *kcontrol,
358 					struct snd_ctl_elem_value *ucontrol)
359 {
360 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
361 	struct snd_soc_dapm_context *dapm =
362 		snd_soc_component_get_dapm(component);
363 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
364 	static const unsigned int capture_reg_H[] = {
365 		RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_LINE_ADC_H,
366 		RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC2_H };
367 	static const unsigned int capture_reg_L[] = {
368 		RT715_SET_GAIN_MIC_ADC_L, RT715_SET_GAIN_LINE_ADC_L,
369 		RT715_SET_GAIN_MIX_ADC_L, RT715_SET_GAIN_MIX_ADC2_L};
370 	unsigned int addr_h, addr_l, val_h = 0x0, val_ll, val_lr;
371 	unsigned int read_ll, read_rl, i, j, loop_cnt = 4, k_changed = 0;
372 	unsigned int k_shift = RT715_DIR_IN_SFT, k_max = 0x3f;
373 
374 	for (i = 0; i < 8; i++) {
375 		if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_vol_ori[i])
376 			k_changed = 1;
377 	}
378 
379 	for (j = 0; j < loop_cnt; j++) {
380 		addr_h = capture_reg_H[j];
381 		addr_l = capture_reg_L[j];
382 		rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
383 
384 		if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
385 			regmap_write(rt715->regmap,
386 					RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
387 
388 		/* L Channel */
389 		/* for gain */
390 		rt715->kctl_8ch_vol_ori[j * 2] = ucontrol->value.integer.value[j * 2];
391 		val_ll = ((ucontrol->value.integer.value[j * 2]) & 0x7f);
392 		if (val_ll > k_max)
393 			val_ll = k_max;
394 		/* keep mute status */
395 		val_ll |= read_ll & 0x80;
396 
397 		/* R Channel */
398 		/* for gain */
399 		rt715->kctl_8ch_vol_ori[j * 2 + 1] =
400 			ucontrol->value.integer.value[j * 2 + 1];
401 		val_lr = ((ucontrol->value.integer.value[j * 2 + 1]) & 0x7f);
402 		if (val_lr > k_max)
403 			val_lr = k_max;
404 		/* keep mute status */
405 		val_lr |= read_rl & 0x80;
406 
407 		for (i = 0; i < 3; i++) { /* retry 3 times at most */
408 			if (val_ll == val_lr) {
409 				/* Set both L/R channels at the same time */
410 				val_h = (1 << k_shift) | (3 << 4);
411 				regmap_write(rt715->regmap, addr_h,
412 					(val_h << 8) | val_ll);
413 				regmap_write(rt715->regmap, addr_l,
414 					(val_h << 8) | val_ll);
415 			} else {
416 				/* Lch*/
417 				val_h = (1 << k_shift) | (1 << 5);
418 				regmap_write(rt715->regmap, addr_h,
419 					(val_h << 8) | val_ll);
420 				/* Rch */
421 				val_h = (1 << k_shift) | (1 << 4);
422 				regmap_write(rt715->regmap, addr_l,
423 					(val_h << 8) | val_lr);
424 			}
425 			val_h = 0x0;
426 			rt715_get_gain(rt715, addr_h, addr_l, val_h,
427 					&read_rl, &read_ll);
428 			if (read_rl == val_lr && read_ll == val_ll)
429 				break;
430 		}
431 	}
432 
433 	/* D0:power on state, D3: power saving mode */
434 	if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
435 		regmap_write(rt715->regmap,
436 				RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
437 	return k_changed;
438 }
439 
rt715_set_main_vol_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)440 static int rt715_set_main_vol_get(struct snd_kcontrol *kcontrol,
441 				  struct snd_ctl_elem_value *ucontrol)
442 {
443 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
444 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
445 	static const unsigned int capture_reg_H[] = {
446 		RT715_SET_GAIN_MIC_ADC_H, RT715_SET_GAIN_LINE_ADC_H,
447 		RT715_SET_GAIN_MIX_ADC_H, RT715_SET_GAIN_MIX_ADC2_H };
448 	static const unsigned int capture_reg_L[] = {
449 		RT715_SET_GAIN_MIC_ADC_L, RT715_SET_GAIN_LINE_ADC_L,
450 		RT715_SET_GAIN_MIX_ADC_L, RT715_SET_GAIN_MIX_ADC2_L };
451 	unsigned int addr_h, addr_l, val_h = 0x0, i, loop_cnt = 4;
452 	unsigned int read_ll, read_rl;
453 
454 	for (i = 0; i < loop_cnt; i++) {
455 		addr_h = capture_reg_H[i];
456 		addr_l = capture_reg_L[i];
457 		rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll);
458 
459 		ucontrol->value.integer.value[i * 2] = read_ll & 0x7f;
460 		ucontrol->value.integer.value[i * 2 + 1] = read_rl & 0x7f;
461 	}
462 
463 	return 0;
464 }
465 
466 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
467 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
468 
rt715_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)469 static int rt715_switch_info(struct snd_kcontrol *kcontrol,
470 	struct snd_ctl_elem_info *uinfo)
471 {
472 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
473 	uinfo->count = 8;
474 	uinfo->value.integer.min = 0;
475 	uinfo->value.integer.max = 1;
476 	return 0;
477 }
478 
rt715_vol_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)479 static int rt715_vol_info(struct snd_kcontrol *kcontrol,
480 	struct snd_ctl_elem_info *uinfo)
481 {
482 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
483 	uinfo->count = 8;
484 	uinfo->value.integer.min = 0;
485 	uinfo->value.integer.max = 0x3f;
486 	return 0;
487 }
488 
489 #define RT715_MAIN_SWITCH_EXT(xname, xhandler_get, xhandler_put) \
490 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
491 	.info = rt715_switch_info, \
492 	.get = xhandler_get, .put = xhandler_put, \
493 }
494 
495 #define RT715_MAIN_VOL_EXT_TLV(xname, xhandler_get, xhandler_put, tlv_array) \
496 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
497 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
498 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
499 	.tlv.p = (tlv_array), \
500 	.info = rt715_vol_info, \
501 	.get = xhandler_get, .put = xhandler_put, \
502 }
503 
504 static const struct snd_kcontrol_new rt715_snd_controls[] = {
505 	/* Capture switch */
506 	RT715_MAIN_SWITCH_EXT("Capture Switch",
507 			rt715_set_main_switch_get, rt715_set_main_switch_put),
508 	/* Volume Control */
509 	RT715_MAIN_VOL_EXT_TLV("Capture Volume",
510 			rt715_set_main_vol_get, rt715_set_main_vol_put, in_vol_tlv),
511 	/* MIC Boost Control */
512 	SOC_DOUBLE_R_EXT_TLV("DMIC1 Boost", RT715_SET_GAIN_DMIC1_H,
513 			RT715_SET_GAIN_DMIC1_L, RT715_DIR_IN_SFT, 3, 0,
514 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
515 			mic_vol_tlv),
516 	SOC_DOUBLE_R_EXT_TLV("DMIC2 Boost", RT715_SET_GAIN_DMIC2_H,
517 			RT715_SET_GAIN_DMIC2_L, RT715_DIR_IN_SFT, 3, 0,
518 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
519 			mic_vol_tlv),
520 	SOC_DOUBLE_R_EXT_TLV("DMIC3 Boost", RT715_SET_GAIN_DMIC3_H,
521 			RT715_SET_GAIN_DMIC3_L, RT715_DIR_IN_SFT, 3, 0,
522 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
523 			mic_vol_tlv),
524 	SOC_DOUBLE_R_EXT_TLV("DMIC4 Boost", RT715_SET_GAIN_DMIC4_H,
525 			RT715_SET_GAIN_DMIC4_L, RT715_DIR_IN_SFT, 3, 0,
526 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
527 			mic_vol_tlv),
528 	SOC_DOUBLE_R_EXT_TLV("MIC1 Boost", RT715_SET_GAIN_MIC1_H,
529 			RT715_SET_GAIN_MIC1_L, RT715_DIR_IN_SFT, 3, 0,
530 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
531 			mic_vol_tlv),
532 	SOC_DOUBLE_R_EXT_TLV("MIC2 Boost", RT715_SET_GAIN_MIC2_H,
533 			RT715_SET_GAIN_MIC2_L, RT715_DIR_IN_SFT, 3, 0,
534 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
535 			mic_vol_tlv),
536 	SOC_DOUBLE_R_EXT_TLV("LINE1 Boost", RT715_SET_GAIN_LINE1_H,
537 			RT715_SET_GAIN_LINE1_L, RT715_DIR_IN_SFT, 3, 0,
538 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
539 			mic_vol_tlv),
540 	SOC_DOUBLE_R_EXT_TLV("LINE2 Boost", RT715_SET_GAIN_LINE2_H,
541 			RT715_SET_GAIN_LINE2_L, RT715_DIR_IN_SFT, 3, 0,
542 			rt715_set_amp_gain_get, rt715_set_amp_gain_put,
543 			mic_vol_tlv),
544 };
545 
rt715_mux_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)546 static int rt715_mux_get(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 rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
552 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
553 	unsigned int reg, val;
554 	int ret;
555 
556 	/* nid = e->reg, vid = 0xf01 */
557 	reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
558 	ret = regmap_read(rt715->regmap, reg, &val);
559 	if (ret < 0) {
560 		dev_err(component->dev, "%s: sdw read failed: %d\n",
561 			__func__, ret);
562 		return ret;
563 	}
564 
565 	/*
566 	 * The first two indices of ADC Mux 24/25 are routed to the same
567 	 * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2.
568 	 * To have a unique set of inputs, we skip the index1 of the muxes.
569 	 */
570 	if ((e->reg == RT715_MUX_IN3 || e->reg == RT715_MUX_IN4) && (val > 0))
571 		val -= 1;
572 	ucontrol->value.enumerated.item[0] = val;
573 
574 	return 0;
575 }
576 
rt715_mux_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)577 static int rt715_mux_put(struct snd_kcontrol *kcontrol,
578 			struct snd_ctl_elem_value *ucontrol)
579 {
580 	struct snd_soc_component *component =
581 		snd_soc_dapm_kcontrol_component(kcontrol);
582 	struct snd_soc_dapm_context *dapm =
583 				snd_soc_dapm_kcontrol_dapm(kcontrol);
584 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
585 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
586 	unsigned int *item = ucontrol->value.enumerated.item;
587 	unsigned int val, val2 = 0, change, reg;
588 	int ret;
589 
590 	if (item[0] >= e->items)
591 		return -EINVAL;
592 
593 	/* Verb ID = 0x701h, nid = e->reg */
594 	val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
595 
596 	reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
597 	ret = regmap_read(rt715->regmap, reg, &val2);
598 	if (ret < 0) {
599 		dev_err(component->dev, "%s: sdw read failed: %d\n",
600 			__func__, ret);
601 		return ret;
602 	}
603 
604 	if (val == val2)
605 		change = 0;
606 	else
607 		change = 1;
608 
609 	if (change) {
610 		reg = RT715_VERB_SET_CONNECT_SEL | e->reg;
611 		regmap_write(rt715->regmap, reg, val);
612 	}
613 
614 	snd_soc_dapm_mux_update_power(dapm, kcontrol,
615 						item[0], e, NULL);
616 
617 	return change;
618 }
619 
620 static const char * const adc_22_23_mux_text[] = {
621 	"MIC1",
622 	"MIC2",
623 	"LINE1",
624 	"LINE2",
625 	"DMIC1",
626 	"DMIC2",
627 	"DMIC3",
628 	"DMIC4",
629 };
630 
631 /*
632  * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and
633  * 1 will be connected to the same dmic source, therefore we skip index 1 to
634  * avoid misunderstanding on usage of dapm routing.
635  */
636 static const unsigned int rt715_adc_24_25_values[] = {
637 	0,
638 	2,
639 	3,
640 	4,
641 	5,
642 };
643 
644 static const char * const adc_24_mux_text[] = {
645 	"MIC2",
646 	"DMIC1",
647 	"DMIC2",
648 	"DMIC3",
649 	"DMIC4",
650 };
651 
652 static const char * const adc_25_mux_text[] = {
653 	"MIC1",
654 	"DMIC1",
655 	"DMIC2",
656 	"DMIC3",
657 	"DMIC4",
658 };
659 
660 static SOC_ENUM_SINGLE_DECL(
661 	rt715_adc22_enum, RT715_MUX_IN1, 0, adc_22_23_mux_text);
662 
663 static SOC_ENUM_SINGLE_DECL(
664 	rt715_adc23_enum, RT715_MUX_IN2, 0, adc_22_23_mux_text);
665 
666 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
667 	RT715_MUX_IN3, 0, 0xf,
668 	adc_24_mux_text, rt715_adc_24_25_values);
669 
670 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum,
671 	RT715_MUX_IN4, 0, 0xf,
672 	adc_25_mux_text, rt715_adc_24_25_values);
673 
674 static const struct snd_kcontrol_new rt715_adc22_mux =
675 	SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum,
676 			rt715_mux_get, rt715_mux_put);
677 
678 static const struct snd_kcontrol_new rt715_adc23_mux =
679 	SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum,
680 			rt715_mux_get, rt715_mux_put);
681 
682 static const struct snd_kcontrol_new rt715_adc24_mux =
683 	SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum,
684 			rt715_mux_get, rt715_mux_put);
685 
686 static const struct snd_kcontrol_new rt715_adc25_mux =
687 	SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum,
688 			rt715_mux_get, rt715_mux_put);
689 
690 static const struct snd_soc_dapm_widget rt715_dapm_widgets[] = {
691 	SND_SOC_DAPM_INPUT("DMIC1"),
692 	SND_SOC_DAPM_INPUT("DMIC2"),
693 	SND_SOC_DAPM_INPUT("DMIC3"),
694 	SND_SOC_DAPM_INPUT("DMIC4"),
695 	SND_SOC_DAPM_INPUT("MIC1"),
696 	SND_SOC_DAPM_INPUT("MIC2"),
697 	SND_SOC_DAPM_INPUT("LINE1"),
698 	SND_SOC_DAPM_INPUT("LINE2"),
699 	SND_SOC_DAPM_ADC("ADC 07", NULL, RT715_SET_STREAMID_MIC_ADC, 4, 0),
700 	SND_SOC_DAPM_ADC("ADC 08", NULL, RT715_SET_STREAMID_LINE_ADC, 4, 0),
701 	SND_SOC_DAPM_ADC("ADC 09", NULL, RT715_SET_STREAMID_MIX_ADC, 4, 0),
702 	SND_SOC_DAPM_ADC("ADC 27", NULL, RT715_SET_STREAMID_MIX_ADC2, 4, 0),
703 	SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
704 		&rt715_adc22_mux),
705 	SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
706 		&rt715_adc23_mux),
707 	SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0,
708 		&rt715_adc24_mux),
709 	SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
710 		&rt715_adc25_mux),
711 	SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
712 	SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0),
713 };
714 
715 static const struct snd_soc_dapm_route rt715_audio_map[] = {
716 	{"DP6TX", NULL, "ADC 09"},
717 	{"DP6TX", NULL, "ADC 08"},
718 	{"DP4TX", NULL, "ADC 07"},
719 	{"DP4TX", NULL, "ADC 27"},
720 	{"ADC 09", NULL, "ADC 22 Mux"},
721 	{"ADC 08", NULL, "ADC 23 Mux"},
722 	{"ADC 07", NULL, "ADC 24 Mux"},
723 	{"ADC 27", NULL, "ADC 25 Mux"},
724 	{"ADC 22 Mux", "MIC1", "MIC1"},
725 	{"ADC 22 Mux", "MIC2", "MIC2"},
726 	{"ADC 22 Mux", "LINE1", "LINE1"},
727 	{"ADC 22 Mux", "LINE2", "LINE2"},
728 	{"ADC 22 Mux", "DMIC1", "DMIC1"},
729 	{"ADC 22 Mux", "DMIC2", "DMIC2"},
730 	{"ADC 22 Mux", "DMIC3", "DMIC3"},
731 	{"ADC 22 Mux", "DMIC4", "DMIC4"},
732 	{"ADC 23 Mux", "MIC1", "MIC1"},
733 	{"ADC 23 Mux", "MIC2", "MIC2"},
734 	{"ADC 23 Mux", "LINE1", "LINE1"},
735 	{"ADC 23 Mux", "LINE2", "LINE2"},
736 	{"ADC 23 Mux", "DMIC1", "DMIC1"},
737 	{"ADC 23 Mux", "DMIC2", "DMIC2"},
738 	{"ADC 23 Mux", "DMIC3", "DMIC3"},
739 	{"ADC 23 Mux", "DMIC4", "DMIC4"},
740 	{"ADC 24 Mux", "MIC2", "MIC2"},
741 	{"ADC 24 Mux", "DMIC1", "DMIC1"},
742 	{"ADC 24 Mux", "DMIC2", "DMIC2"},
743 	{"ADC 24 Mux", "DMIC3", "DMIC3"},
744 	{"ADC 24 Mux", "DMIC4", "DMIC4"},
745 	{"ADC 25 Mux", "MIC1", "MIC1"},
746 	{"ADC 25 Mux", "DMIC1", "DMIC1"},
747 	{"ADC 25 Mux", "DMIC2", "DMIC2"},
748 	{"ADC 25 Mux", "DMIC3", "DMIC3"},
749 	{"ADC 25 Mux", "DMIC4", "DMIC4"},
750 };
751 
rt715_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)752 static int rt715_set_bias_level(struct snd_soc_component *component,
753 				enum snd_soc_bias_level level)
754 {
755 	struct snd_soc_dapm_context *dapm =
756 		snd_soc_component_get_dapm(component);
757 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
758 
759 	switch (level) {
760 	case SND_SOC_BIAS_PREPARE:
761 		if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
762 			regmap_write(rt715->regmap,
763 						RT715_SET_AUDIO_POWER_STATE,
764 						AC_PWRST_D0);
765 			msleep(RT715_POWER_UP_DELAY_MS);
766 		}
767 		break;
768 
769 	case SND_SOC_BIAS_STANDBY:
770 		regmap_write(rt715->regmap,
771 					RT715_SET_AUDIO_POWER_STATE,
772 					AC_PWRST_D3);
773 		break;
774 
775 	default:
776 		break;
777 	}
778 	dapm->bias_level = level;
779 	return 0;
780 }
781 
rt715_probe(struct snd_soc_component * component)782 static int rt715_probe(struct snd_soc_component *component)
783 {
784 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
785 	int ret;
786 
787 	if (!rt715->first_hw_init)
788 		return 0;
789 
790 	ret = pm_runtime_resume(component->dev);
791 	if (ret < 0 && ret != -EACCES)
792 		return ret;
793 
794 	return 0;
795 }
796 
797 static const struct snd_soc_component_driver soc_codec_dev_rt715 = {
798 	.probe = rt715_probe,
799 	.set_bias_level = rt715_set_bias_level,
800 	.controls = rt715_snd_controls,
801 	.num_controls = ARRAY_SIZE(rt715_snd_controls),
802 	.dapm_widgets = rt715_dapm_widgets,
803 	.num_dapm_widgets = ARRAY_SIZE(rt715_dapm_widgets),
804 	.dapm_routes = rt715_audio_map,
805 	.num_dapm_routes = ARRAY_SIZE(rt715_audio_map),
806 	.endianness = 1,
807 };
808 
rt715_set_sdw_stream(struct snd_soc_dai * dai,void * sdw_stream,int direction)809 static int rt715_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
810 				int direction)
811 {
812 
813 	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
814 
815 	return 0;
816 }
817 
rt715_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)818 static void rt715_shutdown(struct snd_pcm_substream *substream,
819 				struct snd_soc_dai *dai)
820 
821 {
822 	snd_soc_dai_set_dma_data(dai, substream, NULL);
823 }
824 
rt715_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)825 static int rt715_pcm_hw_params(struct snd_pcm_substream *substream,
826 				struct snd_pcm_hw_params *params,
827 				struct snd_soc_dai *dai)
828 {
829 	struct snd_soc_component *component = dai->component;
830 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
831 	struct sdw_stream_config stream_config = {0};
832 	struct sdw_port_config port_config = {0};
833 	struct sdw_stream_runtime *sdw_stream;
834 	int retval;
835 	unsigned int val = 0;
836 
837 	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
838 
839 	if (!sdw_stream)
840 		return -EINVAL;
841 
842 	if (!rt715->slave)
843 		return -EINVAL;
844 
845 	snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
846 
847 	switch (dai->id) {
848 	case RT715_AIF1:
849 		port_config.num = 6;
850 		rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa500);
851 		break;
852 	case RT715_AIF2:
853 		port_config.num = 4;
854 		rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa000);
855 		break;
856 	default:
857 		dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
858 		return -EINVAL;
859 	}
860 
861 	retval = sdw_stream_add_slave(rt715->slave, &stream_config,
862 					&port_config, 1, sdw_stream);
863 	if (retval) {
864 		dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
865 		return retval;
866 	}
867 
868 	switch (params_rate(params)) {
869 	/* bit 14 0:48K 1:44.1K */
870 	/* bit 15 Stream Type 0:PCM 1:Non-PCM, should always be PCM */
871 	case 44100:
872 		val |= 0x40 << 8;
873 		break;
874 	case 48000:
875 		val |= 0x0 << 8;
876 		break;
877 	default:
878 		dev_err(component->dev, "%s: Unsupported sample rate %d\n",
879 			__func__, params_rate(params));
880 		return -EINVAL;
881 	}
882 
883 	if (params_channels(params) <= 16) {
884 		/* bit 3:0 Number of Channel */
885 		val |= (params_channels(params) - 1);
886 	} else {
887 		dev_err(component->dev, "%s: Unsupported channels %d\n",
888 			__func__, params_channels(params));
889 		return -EINVAL;
890 	}
891 
892 	switch (params_width(params)) {
893 	/* bit 6:4 Bits per Sample */
894 	case 8:
895 		break;
896 	case 16:
897 		val |= (0x1 << 4);
898 		break;
899 	case 20:
900 		val |= (0x2 << 4);
901 		break;
902 	case 24:
903 		val |= (0x3 << 4);
904 		break;
905 	case 32:
906 		val |= (0x4 << 4);
907 		break;
908 	default:
909 		return -EINVAL;
910 	}
911 
912 	regmap_write(rt715->regmap, RT715_MIC_ADC_FORMAT_H, val);
913 	regmap_write(rt715->regmap, RT715_MIC_LINE_FORMAT_H, val);
914 	regmap_write(rt715->regmap, RT715_MIX_ADC_FORMAT_H, val);
915 	regmap_write(rt715->regmap, RT715_MIX_ADC2_FORMAT_H, val);
916 
917 	return retval;
918 }
919 
rt715_pcm_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)920 static int rt715_pcm_hw_free(struct snd_pcm_substream *substream,
921 				struct snd_soc_dai *dai)
922 {
923 	struct snd_soc_component *component = dai->component;
924 	struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component);
925 	struct sdw_stream_runtime *sdw_stream =
926 		snd_soc_dai_get_dma_data(dai, substream);
927 
928 	if (!rt715->slave)
929 		return -EINVAL;
930 
931 	sdw_stream_remove_slave(rt715->slave, sdw_stream);
932 	return 0;
933 }
934 
935 #define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
936 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
937 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
938 
939 static const struct snd_soc_dai_ops rt715_ops = {
940 	.hw_params	= rt715_pcm_hw_params,
941 	.hw_free	= rt715_pcm_hw_free,
942 	.set_stream	= rt715_set_sdw_stream,
943 	.shutdown	= rt715_shutdown,
944 };
945 
946 static struct snd_soc_dai_driver rt715_dai[] = {
947 	{
948 		.name = "rt715-aif1",
949 		.id = RT715_AIF1,
950 		.capture = {
951 			.stream_name = "DP6 Capture",
952 			.channels_min = 1,
953 			.channels_max = 2,
954 			.rates = RT715_STEREO_RATES,
955 			.formats = RT715_FORMATS,
956 		},
957 		.ops = &rt715_ops,
958 	},
959 	{
960 		.name = "rt715-aif2",
961 		.id = RT715_AIF2,
962 		.capture = {
963 			.stream_name = "DP4 Capture",
964 			.channels_min = 1,
965 			.channels_max = 2,
966 			.rates = RT715_STEREO_RATES,
967 			.formats = RT715_FORMATS,
968 		},
969 		.ops = &rt715_ops,
970 	},
971 };
972 
973 /* Bus clock frequency */
974 #define RT715_CLK_FREQ_9600000HZ 9600000
975 #define RT715_CLK_FREQ_12000000HZ 12000000
976 #define RT715_CLK_FREQ_6000000HZ 6000000
977 #define RT715_CLK_FREQ_4800000HZ 4800000
978 #define RT715_CLK_FREQ_2400000HZ 2400000
979 #define RT715_CLK_FREQ_12288000HZ 12288000
980 
rt715_clock_config(struct device * dev)981 int rt715_clock_config(struct device *dev)
982 {
983 	struct rt715_priv *rt715 = dev_get_drvdata(dev);
984 	unsigned int clk_freq, value;
985 
986 	clk_freq = (rt715->params.curr_dr_freq >> 1);
987 
988 	switch (clk_freq) {
989 	case RT715_CLK_FREQ_12000000HZ:
990 		value = 0x0;
991 		break;
992 	case RT715_CLK_FREQ_6000000HZ:
993 		value = 0x1;
994 		break;
995 	case RT715_CLK_FREQ_9600000HZ:
996 		value = 0x2;
997 		break;
998 	case RT715_CLK_FREQ_4800000HZ:
999 		value = 0x3;
1000 		break;
1001 	case RT715_CLK_FREQ_2400000HZ:
1002 		value = 0x4;
1003 		break;
1004 	case RT715_CLK_FREQ_12288000HZ:
1005 		value = 0x5;
1006 		break;
1007 	default:
1008 		return -EINVAL;
1009 	}
1010 
1011 	regmap_write(rt715->regmap, 0xe0, value);
1012 	regmap_write(rt715->regmap, 0xf0, value);
1013 
1014 	return 0;
1015 }
1016 
rt715_init(struct device * dev,struct regmap * sdw_regmap,struct regmap * regmap,struct sdw_slave * slave)1017 int rt715_init(struct device *dev, struct regmap *sdw_regmap,
1018 	struct regmap *regmap, struct sdw_slave *slave)
1019 {
1020 	struct rt715_priv *rt715;
1021 	int ret;
1022 
1023 	rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL);
1024 	if (!rt715)
1025 		return -ENOMEM;
1026 
1027 	dev_set_drvdata(dev, rt715);
1028 	rt715->slave = slave;
1029 	rt715->regmap = regmap;
1030 	rt715->sdw_regmap = sdw_regmap;
1031 
1032 	regcache_cache_only(rt715->regmap, true);
1033 
1034 	/*
1035 	 * Mark hw_init to false
1036 	 * HW init will be performed when device reports present
1037 	 */
1038 	rt715->hw_init = false;
1039 	rt715->first_hw_init = false;
1040 
1041 	ret = devm_snd_soc_register_component(dev,
1042 						&soc_codec_dev_rt715,
1043 						rt715_dai,
1044 						ARRAY_SIZE(rt715_dai));
1045 	if (ret < 0)
1046 		return ret;
1047 
1048 	/* set autosuspend parameters */
1049 	pm_runtime_set_autosuspend_delay(dev, 3000);
1050 	pm_runtime_use_autosuspend(dev);
1051 
1052 	/* make sure the device does not suspend immediately */
1053 	pm_runtime_mark_last_busy(dev);
1054 
1055 	pm_runtime_enable(dev);
1056 
1057 	/* important note: the device is NOT tagged as 'active' and will remain
1058 	 * 'suspended' until the hardware is enumerated/initialized. This is required
1059 	 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1060 	 * fail with -EACCESS because of race conditions between card creation and enumeration
1061 	 */
1062 
1063 	return 0;
1064 }
1065 
rt715_io_init(struct device * dev,struct sdw_slave * slave)1066 int rt715_io_init(struct device *dev, struct sdw_slave *slave)
1067 {
1068 	struct rt715_priv *rt715 = dev_get_drvdata(dev);
1069 
1070 	if (rt715->hw_init)
1071 		return 0;
1072 
1073 	regcache_cache_only(rt715->regmap, false);
1074 
1075 	/*
1076 	 *  PM runtime status is marked as 'active' only when a Slave reports as Attached
1077 	 */
1078 	if (!rt715->first_hw_init)
1079 		/* update count of parent 'active' children */
1080 		pm_runtime_set_active(&slave->dev);
1081 
1082 	pm_runtime_get_noresume(&slave->dev);
1083 
1084 	rt715_reset(rt715->regmap);
1085 
1086 	/* Mute nid=08h/09h */
1087 	regmap_write(rt715->regmap, RT715_SET_GAIN_LINE_ADC_H, 0xb080);
1088 	regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC_H, 0xb080);
1089 	/* Mute nid=07h/27h */
1090 	regmap_write(rt715->regmap, RT715_SET_GAIN_MIC_ADC_H, 0xb080);
1091 	regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC2_H, 0xb080);
1092 
1093 	/* Set Pin Widget */
1094 	regmap_write(rt715->regmap, RT715_SET_PIN_DMIC1, 0x20);
1095 	regmap_write(rt715->regmap, RT715_SET_PIN_DMIC2, 0x20);
1096 	regmap_write(rt715->regmap, RT715_SET_PIN_DMIC3, 0x20);
1097 	regmap_write(rt715->regmap, RT715_SET_PIN_DMIC4, 0x20);
1098 	/* Set Converter Stream */
1099 	regmap_write(rt715->regmap, RT715_SET_STREAMID_LINE_ADC, 0x10);
1100 	regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC, 0x10);
1101 	regmap_write(rt715->regmap, RT715_SET_STREAMID_MIC_ADC, 0x10);
1102 	regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC2, 0x10);
1103 	/* Set Configuration Default */
1104 	regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT1, 0xd0);
1105 	regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT2, 0x11);
1106 	regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT3, 0xa1);
1107 	regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT4, 0x81);
1108 	regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT1, 0xd1);
1109 	regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT2, 0x11);
1110 	regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT3, 0xa1);
1111 	regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT4, 0x81);
1112 	regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT1, 0xd0);
1113 	regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT2, 0x11);
1114 	regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT3, 0xa1);
1115 	regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT4, 0x81);
1116 	regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT1, 0xd1);
1117 	regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT2, 0x11);
1118 	regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT3, 0xa1);
1119 	regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT4, 0x81);
1120 
1121 	/* Finish Initial Settings, set power to D3 */
1122 	regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
1123 
1124 	if (rt715->first_hw_init)
1125 		regcache_mark_dirty(rt715->regmap);
1126 	else
1127 		rt715->first_hw_init = true;
1128 
1129 	/* Mark Slave initialization complete */
1130 	rt715->hw_init = true;
1131 
1132 	pm_runtime_mark_last_busy(&slave->dev);
1133 	pm_runtime_put_autosuspend(&slave->dev);
1134 
1135 	return 0;
1136 }
1137 
1138 MODULE_DESCRIPTION("ASoC rt715 driver");
1139 MODULE_DESCRIPTION("ASoC rt715 driver SDW");
1140 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1141 MODULE_LICENSE("GPL v2");
1142