xref: /openbmc/linux/sound/soc/codecs/rt715-sdca.c (revision 122333d6)
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 
32 static 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 				"Failed to set private value: %08x <= %04x %d\n", ret, addr,
45 				value);
46 
47 	return ret;
48 }
49 
50 static 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 				"Failed to get private value: %06x => %04x ret=%d\n",
63 				addr, *value, ret);
64 
65 	return ret;
66 }
67 
68 static 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 
83 static 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 
102 static 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 
111 static 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 */
131 static 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, "Failed to write 0x%x=0x%x\n",
156 				mc->reg + i, gain_val);
157 			return ret;
158 		}
159 	}
160 
161 	return k_changed;
162 }
163 
164 static 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, "Failed to write 0x%x=0x%x\n",
192 				reg_base + i, gain_val);
193 			return ret;
194 		}
195 	}
196 
197 	return k_changed;
198 }
199 
200 static 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, "Failed to write 0x%x=0x%x\n",
228 				reg, gain_val);
229 			return ret;
230 		}
231 	}
232 
233 	return k_changed;
234 }
235 
236 static 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, "Failed to read 0x%x, ret=%d\n",
250 				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 
259 static 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, "Failed to read 0x%x, ret=%d\n",
275 				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 
284 static 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, "Failed to read 0x%x, ret=%d\n",
301 					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, "Failed to read 0x%x, ret=%d\n",
310 					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 
319 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0);
320 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
321 
322 static 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 
348 static 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 
401 static 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 
458 static 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, 0x7f, 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, 0x7f),
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, 0x7f),
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 
510 static 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 
546 static 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 
590 static 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  */
606 static int rt715_adc_24_25_values[] = {
607 	0,
608 	2,
609 	3,
610 	4,
611 	5,
612 };
613 
614 static const char * const adc_24_mux_text[] = {
615 	"MIC2",
616 	"DMIC1",
617 	"DMIC2",
618 	"DMIC3",
619 	"DMIC4",
620 };
621 
622 static const char * const adc_25_mux_text[] = {
623 	"MIC1",
624 	"DMIC1",
625 	"DMIC2",
626 	"DMIC3",
627 	"DMIC4",
628 };
629 
630 static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0,
631 	adc_22_23_mux_text);
632 
633 static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0,
634 	adc_22_23_mux_text);
635 
636 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
637 	SND_SOC_NOPM, 0, 0xf,
638 	adc_24_mux_text, rt715_adc_24_25_values);
639 static 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 
643 static 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 
647 static 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 
651 static 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 
655 static 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 
659 static 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 
683 static 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 
713 static 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 
762 static int rt715_sdca_probe(struct snd_soc_component *component)
763 {
764 	int ret;
765 
766 	ret = pm_runtime_resume(component->dev);
767 	if (ret < 0 && ret != -EACCES)
768 		return ret;
769 
770 	return 0;
771 }
772 
773 static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = {
774 	.probe = rt715_sdca_probe,
775 	.controls = rt715_sdca_snd_controls,
776 	.num_controls = ARRAY_SIZE(rt715_sdca_snd_controls),
777 	.dapm_widgets = rt715_sdca_dapm_widgets,
778 	.num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets),
779 	.dapm_routes = rt715_sdca_audio_map,
780 	.num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map),
781 	.endianness = 1,
782 };
783 
784 static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
785 				int direction)
786 {
787 	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
788 
789 	return 0;
790 }
791 
792 static void rt715_sdca_shutdown(struct snd_pcm_substream *substream,
793 				struct snd_soc_dai *dai)
794 
795 {
796 	snd_soc_dai_set_dma_data(dai, substream, NULL);
797 }
798 
799 static int rt715_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
800 				struct snd_pcm_hw_params *params,
801 				struct snd_soc_dai *dai)
802 {
803 	struct snd_soc_component *component = dai->component;
804 	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
805 	struct sdw_stream_config stream_config = {0};
806 	struct sdw_port_config port_config = {0};
807 	struct sdw_stream_runtime *sdw_stream;
808 	int retval;
809 	unsigned int val;
810 
811 	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
812 
813 	if (!sdw_stream)
814 		return -EINVAL;
815 
816 	if (!rt715->slave)
817 		return -EINVAL;
818 
819 	snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
820 
821 	switch (dai->id) {
822 	case RT715_AIF1:
823 		port_config.num = 6;
824 		rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
825 			0xa500);
826 		break;
827 	case RT715_AIF2:
828 		port_config.num = 4;
829 		rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
830 			0xaf00);
831 		break;
832 	default:
833 		dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
834 		return -EINVAL;
835 	}
836 
837 	retval = sdw_stream_add_slave(rt715->slave, &stream_config,
838 					&port_config, 1, sdw_stream);
839 	if (retval) {
840 		dev_err(component->dev, "Unable to configure port, retval:%d\n",
841 			retval);
842 		return retval;
843 	}
844 
845 	switch (params_rate(params)) {
846 	case 8000:
847 		val = 0x1;
848 		break;
849 	case 11025:
850 		val = 0x2;
851 		break;
852 	case 12000:
853 		val = 0x3;
854 		break;
855 	case 16000:
856 		val = 0x4;
857 		break;
858 	case 22050:
859 		val = 0x5;
860 		break;
861 	case 24000:
862 		val = 0x6;
863 		break;
864 	case 32000:
865 		val = 0x7;
866 		break;
867 	case 44100:
868 		val = 0x8;
869 		break;
870 	case 48000:
871 		val = 0x9;
872 		break;
873 	case 88200:
874 		val = 0xa;
875 		break;
876 	case 96000:
877 		val = 0xb;
878 		break;
879 	case 176400:
880 		val = 0xc;
881 		break;
882 	case 192000:
883 		val = 0xd;
884 		break;
885 	case 384000:
886 		val = 0xe;
887 		break;
888 	case 768000:
889 		val = 0xf;
890 		break;
891 	default:
892 		dev_err(component->dev, "Unsupported sample rate %d\n",
893 			params_rate(params));
894 		return -EINVAL;
895 	}
896 
897 	regmap_write(rt715->regmap,
898 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN,
899 			RT715_SDCA_FREQ_IND_CTRL, CH_00), val);
900 
901 	return 0;
902 }
903 
904 static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
905 				struct snd_soc_dai *dai)
906 {
907 	struct snd_soc_component *component = dai->component;
908 	struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
909 	struct sdw_stream_runtime *sdw_stream =
910 		snd_soc_dai_get_dma_data(dai, substream);
911 
912 	if (!rt715->slave)
913 		return -EINVAL;
914 
915 	sdw_stream_remove_slave(rt715->slave, sdw_stream);
916 	return 0;
917 }
918 
919 #define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
920 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
921 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
922 
923 static const struct snd_soc_dai_ops rt715_sdca_ops = {
924 	.hw_params	= rt715_sdca_pcm_hw_params,
925 	.hw_free	= rt715_sdca_pcm_hw_free,
926 	.set_stream	= rt715_sdca_set_sdw_stream,
927 	.shutdown	= rt715_sdca_shutdown,
928 };
929 
930 static struct snd_soc_dai_driver rt715_sdca_dai[] = {
931 	{
932 		.name = "rt715-aif1",
933 		.id = RT715_AIF1,
934 		.capture = {
935 			.stream_name = "DP6 Capture",
936 			.channels_min = 1,
937 			.channels_max = 2,
938 			.rates = RT715_STEREO_RATES,
939 			.formats = RT715_FORMATS,
940 		},
941 		.ops = &rt715_sdca_ops,
942 	},
943 	{
944 		.name = "rt715-aif2",
945 		.id = RT715_AIF2,
946 		.capture = {
947 			.stream_name = "DP4 Capture",
948 			.channels_min = 1,
949 			.channels_max = 2,
950 			.rates = RT715_STEREO_RATES,
951 			.formats = RT715_FORMATS,
952 		},
953 		.ops = &rt715_sdca_ops,
954 	},
955 };
956 
957 /* Bus clock frequency */
958 #define RT715_CLK_FREQ_9600000HZ 9600000
959 #define RT715_CLK_FREQ_12000000HZ 12000000
960 #define RT715_CLK_FREQ_6000000HZ 6000000
961 #define RT715_CLK_FREQ_4800000HZ 4800000
962 #define RT715_CLK_FREQ_2400000HZ 2400000
963 #define RT715_CLK_FREQ_12288000HZ 12288000
964 
965 int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap,
966 	struct regmap *regmap, struct sdw_slave *slave)
967 {
968 	struct rt715_sdca_priv *rt715;
969 	int ret;
970 
971 	rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL);
972 	if (!rt715)
973 		return -ENOMEM;
974 
975 	dev_set_drvdata(dev, rt715);
976 	rt715->slave = slave;
977 	rt715->regmap = regmap;
978 	rt715->mbq_regmap = mbq_regmap;
979 	rt715->hw_sdw_ver = slave->id.sdw_version;
980 	/*
981 	 * Mark hw_init to false
982 	 * HW init will be performed when device reports present
983 	 */
984 	rt715->hw_init = false;
985 	rt715->first_hw_init = false;
986 
987 	ret = devm_snd_soc_register_component(dev,
988 			&soc_codec_dev_rt715_sdca,
989 			rt715_sdca_dai,
990 			ARRAY_SIZE(rt715_sdca_dai));
991 
992 	return ret;
993 }
994 
995 int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave)
996 {
997 	struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
998 	unsigned int hw_ver;
999 
1000 	if (rt715->hw_init)
1001 		return 0;
1002 
1003 	/*
1004 	 * PM runtime is only enabled when a Slave reports as Attached
1005 	 */
1006 	if (!rt715->first_hw_init) {
1007 		/* set autosuspend parameters */
1008 		pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
1009 		pm_runtime_use_autosuspend(&slave->dev);
1010 
1011 		/* update count of parent 'active' children */
1012 		pm_runtime_set_active(&slave->dev);
1013 
1014 		/* make sure the device does not suspend immediately */
1015 		pm_runtime_mark_last_busy(&slave->dev);
1016 
1017 		pm_runtime_enable(&slave->dev);
1018 
1019 		rt715->first_hw_init = true;
1020 	}
1021 
1022 	pm_runtime_get_noresume(&slave->dev);
1023 
1024 	rt715_sdca_index_read(rt715, RT715_VENDOR_REG,
1025 		RT715_PRODUCT_NUM, &hw_ver);
1026 	hw_ver = hw_ver & 0x000f;
1027 
1028 	/* set clock selector = external */
1029 	regmap_write(rt715->regmap,
1030 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
1031 			RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1);
1032 	/* set GPIO_4/5/6 to be 3rd/4th DMIC usage */
1033 	if (hw_ver == 0x0)
1034 		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1035 			RT715_AD_FUNC_EN, 0x54, 0x54);
1036 	else if (hw_ver == 0x1) {
1037 		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1038 			RT715_AD_FUNC_EN, 0x55, 0x55);
1039 		rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1040 			RT715_REV_1, 0x40, 0x40);
1041 	}
1042 	/* DFLL Calibration trigger */
1043 	rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
1044 			RT715_DFLL_VAD, 0x1, 0x1);
1045 	/* trigger mode = VAD enable */
1046 	regmap_write(rt715->regmap,
1047 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
1048 			RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2);
1049 	/* SMPU-1 interrupt enable mask */
1050 	regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1);
1051 
1052 	/* Mark Slave initialization complete */
1053 	rt715->hw_init = true;
1054 
1055 	pm_runtime_mark_last_busy(&slave->dev);
1056 	pm_runtime_put_autosuspend(&slave->dev);
1057 
1058 	return 0;
1059 }
1060 
1061 MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA");
1062 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
1063 MODULE_LICENSE("GPL v2");
1064