xref: /openbmc/linux/sound/pci/hda/patch_cs8409.c (revision ee8ec048)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * HD audio interface patch for Cirrus Logic CS8409 HDA bridge chip
4  *
5  * Copyright (C) 2021 Cirrus Logic, Inc. and
6  *                    Cirrus Logic International Semiconductor Ltd.
7  */
8 
9 #include <linux/init.h>
10 #include <linux/slab.h>
11 #include <linux/module.h>
12 #include <sound/core.h>
13 #include <linux/mutex.h>
14 #include <linux/iopoll.h>
15 
16 #include "patch_cs8409.h"
17 
18 /******************************************************************************
19  *                        CS8409 Specific Functions
20  ******************************************************************************/
21 
22 static int cs8409_parse_auto_config(struct hda_codec *codec)
23 {
24 	struct cs8409_spec *spec = codec->spec;
25 	int err;
26 	int i;
27 
28 	err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
29 	if (err < 0)
30 		return err;
31 
32 	err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
33 	if (err < 0)
34 		return err;
35 
36 	/* keep the ADCs powered up when it's dynamically switchable */
37 	if (spec->gen.dyn_adc_switch) {
38 		unsigned int done = 0;
39 
40 		for (i = 0; i < spec->gen.input_mux.num_items; i++) {
41 			int idx = spec->gen.dyn_adc_idx[i];
42 
43 			if (done & (1 << idx))
44 				continue;
45 			snd_hda_gen_fix_pin_power(codec, spec->gen.adc_nids[idx]);
46 			done |= 1 << idx;
47 		}
48 	}
49 
50 	return 0;
51 }
52 
53 static void cs8409_disable_i2c_clock_worker(struct work_struct *work);
54 
55 static struct cs8409_spec *cs8409_alloc_spec(struct hda_codec *codec)
56 {
57 	struct cs8409_spec *spec;
58 
59 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
60 	if (!spec)
61 		return NULL;
62 	codec->spec = spec;
63 	spec->codec = codec;
64 	codec->power_save_node = 1;
65 	mutex_init(&spec->i2c_mux);
66 	INIT_DELAYED_WORK(&spec->i2c_clk_work, cs8409_disable_i2c_clock_worker);
67 	snd_hda_gen_spec_init(&spec->gen);
68 
69 	return spec;
70 }
71 
72 static inline int cs8409_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
73 {
74 	snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx);
75 	return snd_hda_codec_read(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_GET_PROC_COEF, 0);
76 }
77 
78 static inline void cs8409_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
79 					  unsigned int coef)
80 {
81 	snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx);
82 	snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_PROC_COEF, coef);
83 }
84 
85 /*
86  * cs8409_enable_i2c_clock - Disable I2C clocks
87  * @codec: the codec instance
88  * Disable I2C clocks.
89  * This must be called when the i2c mutex is unlocked.
90  */
91 static void cs8409_disable_i2c_clock(struct hda_codec *codec)
92 {
93 	struct cs8409_spec *spec = codec->spec;
94 
95 	mutex_lock(&spec->i2c_mux);
96 	if (spec->i2c_clck_enabled) {
97 		cs8409_vendor_coef_set(spec->codec, 0x0,
98 			       cs8409_vendor_coef_get(spec->codec, 0x0) & 0xfffffff7);
99 		spec->i2c_clck_enabled = 0;
100 	}
101 	mutex_unlock(&spec->i2c_mux);
102 }
103 
104 /*
105  * cs8409_disable_i2c_clock_worker - Worker that disable the I2C Clock after 25ms without use
106  */
107 static void cs8409_disable_i2c_clock_worker(struct work_struct *work)
108 {
109 	struct cs8409_spec *spec = container_of(work, struct cs8409_spec, i2c_clk_work.work);
110 
111 	cs8409_disable_i2c_clock(spec->codec);
112 }
113 
114 /*
115  * cs8409_enable_i2c_clock - Enable I2C clocks
116  * @codec: the codec instance
117  * Enable I2C clocks.
118  * This must be called when the i2c mutex is locked.
119  */
120 static void cs8409_enable_i2c_clock(struct hda_codec *codec)
121 {
122 	struct cs8409_spec *spec = codec->spec;
123 
124 	/* Cancel the disable timer, but do not wait for any running disable functions to finish.
125 	 * If the disable timer runs out before cancel, the delayed work thread will be blocked,
126 	 * waiting for the mutex to become unlocked. This mutex will be locked for the duration of
127 	 * any i2c transaction, so the disable function will run to completion immediately
128 	 * afterwards in the scenario. The next enable call will re-enable the clock, regardless.
129 	 */
130 	cancel_delayed_work(&spec->i2c_clk_work);
131 
132 	if (!spec->i2c_clck_enabled) {
133 		cs8409_vendor_coef_set(codec, 0x0, cs8409_vendor_coef_get(codec, 0x0) | 0x8);
134 		spec->i2c_clck_enabled = 1;
135 	}
136 	queue_delayed_work(system_power_efficient_wq, &spec->i2c_clk_work, msecs_to_jiffies(25));
137 }
138 
139 /**
140  * cs8409_i2c_wait_complete - Wait for I2C transaction
141  * @codec: the codec instance
142  *
143  * Wait for I2C transaction to complete.
144  * Return -ETIMEDOUT if transaction wait times out.
145  */
146 static int cs8409_i2c_wait_complete(struct hda_codec *codec)
147 {
148 	unsigned int retval;
149 
150 	return read_poll_timeout(cs8409_vendor_coef_get, retval, retval & 0x18,
151 		CS42L42_I2C_SLEEP_US, CS42L42_I2C_TIMEOUT_US, false, codec, CS8409_I2C_STS);
152 }
153 
154 /**
155  * cs8409_set_i2c_dev_addr - Set i2c address for transaction
156  * @codec: the codec instance
157  * @addr: I2C Address
158  */
159 static void cs8409_set_i2c_dev_addr(struct hda_codec *codec, unsigned int addr)
160 {
161 	struct cs8409_spec *spec = codec->spec;
162 
163 	if (spec->dev_addr != addr) {
164 		cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, addr);
165 		spec->dev_addr = addr;
166 	}
167 }
168 
169 /**
170  * cs8409_i2c_set_page - CS8409 I2C set page register.
171  * @scodec: the codec instance
172  * @i2c_reg: Page register
173  *
174  * Returns negative on error.
175  */
176 static int cs8409_i2c_set_page(struct sub_codec *scodec, unsigned int i2c_reg)
177 {
178 	struct hda_codec *codec = scodec->codec;
179 
180 	if (scodec->paged && (scodec->last_page != (i2c_reg >> 8))) {
181 		cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8);
182 		if (cs8409_i2c_wait_complete(codec) < 0)
183 			return -EIO;
184 		scodec->last_page = i2c_reg >> 8;
185 	}
186 
187 	return 0;
188 }
189 
190 /**
191  * cs8409_i2c_read - CS8409 I2C Read.
192  * @scodec: the codec instance
193  * @addr: Register to read
194  *
195  * Returns negative on error, otherwise returns read value in bits 0-7.
196  */
197 static int cs8409_i2c_read(struct sub_codec *scodec, unsigned int addr)
198 {
199 	struct hda_codec *codec = scodec->codec;
200 	struct cs8409_spec *spec = codec->spec;
201 	unsigned int i2c_reg_data;
202 	unsigned int read_data;
203 
204 	if (scodec->suspended)
205 		return -EPERM;
206 
207 	mutex_lock(&spec->i2c_mux);
208 	cs8409_enable_i2c_clock(codec);
209 	cs8409_set_i2c_dev_addr(codec, scodec->addr);
210 
211 	if (cs8409_i2c_set_page(scodec, addr))
212 		goto error;
213 
214 	i2c_reg_data = (addr << 8) & 0x0ffff;
215 	cs8409_vendor_coef_set(codec, CS8409_I2C_QREAD, i2c_reg_data);
216 	if (cs8409_i2c_wait_complete(codec) < 0)
217 		goto error;
218 
219 	/* Register in bits 15-8 and the data in 7-0 */
220 	read_data = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD);
221 
222 	mutex_unlock(&spec->i2c_mux);
223 
224 	return read_data & 0x0ff;
225 
226 error:
227 	mutex_unlock(&spec->i2c_mux);
228 	codec_err(codec, "%s() Failed 0x%02x : 0x%04x\n", __func__, scodec->addr, addr);
229 	return -EIO;
230 }
231 
232 /**
233  * cs8409_i2c_bulk_read - CS8409 I2C Read Sequence.
234  * @scodec: the codec instance
235  * @seq: Register Sequence to read
236  * @count: Number of registeres to read
237  *
238  * Returns negative on error, values are read into value element of cs8409_i2c_param sequence.
239  */
240 static int cs8409_i2c_bulk_read(struct sub_codec *scodec, struct cs8409_i2c_param *seq, int count)
241 {
242 	struct hda_codec *codec = scodec->codec;
243 	struct cs8409_spec *spec = codec->spec;
244 	unsigned int i2c_reg_data;
245 	int i;
246 
247 	if (scodec->suspended)
248 		return -EPERM;
249 
250 	mutex_lock(&spec->i2c_mux);
251 	cs8409_set_i2c_dev_addr(codec, scodec->addr);
252 
253 	for (i = 0; i < count; i++) {
254 		cs8409_enable_i2c_clock(codec);
255 		if (cs8409_i2c_set_page(scodec, seq[i].addr))
256 			goto error;
257 
258 		i2c_reg_data = (seq[i].addr << 8) & 0x0ffff;
259 		cs8409_vendor_coef_set(codec, CS8409_I2C_QREAD, i2c_reg_data);
260 
261 		if (cs8409_i2c_wait_complete(codec) < 0)
262 			goto error;
263 
264 		seq[i].value = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD) & 0xff;
265 	}
266 
267 	mutex_unlock(&spec->i2c_mux);
268 
269 	return 0;
270 
271 error:
272 	mutex_unlock(&spec->i2c_mux);
273 	codec_err(codec, "I2C Bulk Write Failed 0x%02x\n", scodec->addr);
274 	return -EIO;
275 }
276 
277 /**
278  * cs8409_i2c_write - CS8409 I2C Write.
279  * @scodec: the codec instance
280  * @addr: Register to write to
281  * @value: Data to write
282  *
283  * Returns negative on error, otherwise returns 0.
284  */
285 static int cs8409_i2c_write(struct sub_codec *scodec, unsigned int addr, unsigned int value)
286 {
287 	struct hda_codec *codec = scodec->codec;
288 	struct cs8409_spec *spec = codec->spec;
289 	unsigned int i2c_reg_data;
290 
291 	if (scodec->suspended)
292 		return -EPERM;
293 
294 	mutex_lock(&spec->i2c_mux);
295 
296 	cs8409_enable_i2c_clock(codec);
297 	cs8409_set_i2c_dev_addr(codec, scodec->addr);
298 
299 	if (cs8409_i2c_set_page(scodec, addr))
300 		goto error;
301 
302 	i2c_reg_data = ((addr << 8) & 0x0ff00) | (value & 0x0ff);
303 	cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg_data);
304 
305 	if (cs8409_i2c_wait_complete(codec) < 0)
306 		goto error;
307 
308 	mutex_unlock(&spec->i2c_mux);
309 	return 0;
310 
311 error:
312 	mutex_unlock(&spec->i2c_mux);
313 	codec_err(codec, "%s() Failed 0x%02x : 0x%04x\n", __func__, scodec->addr, addr);
314 	return -EIO;
315 }
316 
317 /**
318  * cs8409_i2c_bulk_write - CS8409 I2C Write Sequence.
319  * @scodec: the codec instance
320  * @seq: Register Sequence to write
321  * @count: Number of registeres to write
322  *
323  * Returns negative on error.
324  */
325 static int cs8409_i2c_bulk_write(struct sub_codec *scodec, const struct cs8409_i2c_param *seq,
326 				 int count)
327 {
328 	struct hda_codec *codec = scodec->codec;
329 	struct cs8409_spec *spec = codec->spec;
330 	unsigned int i2c_reg_data;
331 	int i;
332 
333 	if (scodec->suspended)
334 		return -EPERM;
335 
336 	mutex_lock(&spec->i2c_mux);
337 	cs8409_set_i2c_dev_addr(codec, scodec->addr);
338 
339 	for (i = 0; i < count; i++) {
340 		cs8409_enable_i2c_clock(codec);
341 		if (cs8409_i2c_set_page(scodec, seq[i].addr))
342 			goto error;
343 
344 		i2c_reg_data = ((seq[i].addr << 8) & 0x0ff00) | (seq[i].value & 0x0ff);
345 		cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg_data);
346 
347 		if (cs8409_i2c_wait_complete(codec) < 0)
348 			goto error;
349 	}
350 
351 	mutex_unlock(&spec->i2c_mux);
352 
353 	return 0;
354 
355 error:
356 	mutex_unlock(&spec->i2c_mux);
357 	codec_err(codec, "I2C Bulk Write Failed 0x%02x\n", scodec->addr);
358 	return -EIO;
359 }
360 
361 static int cs8409_init(struct hda_codec *codec)
362 {
363 	int ret = snd_hda_gen_init(codec);
364 
365 	if (!ret)
366 		snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
367 
368 	return ret;
369 }
370 
371 static int cs8409_build_controls(struct hda_codec *codec)
372 {
373 	int err;
374 
375 	err = snd_hda_gen_build_controls(codec);
376 	if (err < 0)
377 		return err;
378 	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_BUILD);
379 
380 	return 0;
381 }
382 
383 /* Enable/Disable Unsolicited Response */
384 static void cs8409_enable_ur(struct hda_codec *codec, int flag)
385 {
386 	struct cs8409_spec *spec = codec->spec;
387 	unsigned int ur_gpios = 0;
388 	int i;
389 
390 	for (i = 0; i < spec->num_scodecs; i++)
391 		ur_gpios |= spec->scodecs[i]->irq_mask;
392 
393 	snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK,
394 			    flag ? ur_gpios : 0);
395 
396 	snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_UNSOLICITED_ENABLE,
397 			    flag ? AC_UNSOL_ENABLED : 0);
398 }
399 
400 static void cs8409_fix_caps(struct hda_codec *codec, unsigned int nid)
401 {
402 	int caps;
403 
404 	/* CS8409 is simple HDA bridge and intended to be used with a remote
405 	 * companion codec. Most of input/output PIN(s) have only basic
406 	 * capabilities. Receive and Transmit NID(s) have only OUTC and INC
407 	 * capabilities and no presence detect capable (PDC) and call to
408 	 * snd_hda_gen_build_controls() will mark them as non detectable
409 	 * phantom jacks. However, a companion codec may be
410 	 * connected to these pins which supports jack detect
411 	 * capabilities. We have to override pin capabilities,
412 	 * otherwise they will not be created as input devices.
413 	 */
414 	caps = snd_hdac_read_parm(&codec->core, nid, AC_PAR_PIN_CAP);
415 	if (caps >= 0)
416 		snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP,
417 				       (caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT)));
418 
419 	snd_hda_override_wcaps(codec, nid, (get_wcaps(codec, nid) | AC_WCAP_UNSOL_CAP));
420 }
421 
422 /******************************************************************************
423  *                        CS42L42 Specific Functions
424  ******************************************************************************/
425 
426 int cs42l42_volume_info(struct snd_kcontrol *kctrl, struct snd_ctl_elem_info *uinfo)
427 {
428 	unsigned int ofs = get_amp_offset(kctrl);
429 	u8 chs = get_amp_channels(kctrl);
430 
431 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
432 	uinfo->value.integer.step = 1;
433 	uinfo->count = chs == 3 ? 2 : 1;
434 
435 	switch (ofs) {
436 	case CS42L42_VOL_DAC:
437 		uinfo->value.integer.min = CS42L42_HP_VOL_REAL_MIN;
438 		uinfo->value.integer.max = CS42L42_HP_VOL_REAL_MAX;
439 		break;
440 	case CS42L42_VOL_ADC:
441 		uinfo->value.integer.min = CS42L42_AMIC_VOL_REAL_MIN;
442 		uinfo->value.integer.max = CS42L42_AMIC_VOL_REAL_MAX;
443 		break;
444 	default:
445 		break;
446 	}
447 
448 	return 0;
449 }
450 
451 int cs42l42_volume_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl)
452 {
453 	struct hda_codec *codec = snd_kcontrol_chip(kctrl);
454 	struct cs8409_spec *spec = codec->spec;
455 	struct sub_codec *cs42l42 = spec->scodecs[get_amp_index(kctrl)];
456 	int chs = get_amp_channels(kctrl);
457 	unsigned int ofs = get_amp_offset(kctrl);
458 	long *valp = uctrl->value.integer.value;
459 
460 	switch (ofs) {
461 	case CS42L42_VOL_DAC:
462 		if (chs & BIT(0))
463 			*valp++ = cs42l42->vol[ofs];
464 		if (chs & BIT(1))
465 			*valp = cs42l42->vol[ofs+1];
466 		break;
467 	case CS42L42_VOL_ADC:
468 		if (chs & BIT(0))
469 			*valp = cs42l42->vol[ofs];
470 		break;
471 	default:
472 		break;
473 	}
474 
475 	return 0;
476 }
477 
478 static void cs42l42_mute(struct sub_codec *cs42l42, int vol_type,
479 	unsigned int chs, bool mute)
480 {
481 	if (mute) {
482 		if (vol_type == CS42L42_VOL_DAC) {
483 			if (chs & BIT(0))
484 				cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA, 0x3f);
485 			if (chs & BIT(1))
486 				cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB, 0x3f);
487 		} else if (vol_type == CS42L42_VOL_ADC) {
488 			if (chs & BIT(0))
489 				cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL, 0x9f);
490 		}
491 	} else {
492 		if (vol_type == CS42L42_VOL_DAC) {
493 			if (chs & BIT(0))
494 				cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA,
495 					-(cs42l42->vol[CS42L42_DAC_CH0_VOL_OFFSET])
496 					& CS42L42_REG_HS_VOL_MASK);
497 			if (chs & BIT(1))
498 				cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB,
499 					-(cs42l42->vol[CS42L42_DAC_CH1_VOL_OFFSET])
500 					& CS42L42_REG_HS_VOL_MASK);
501 		} else if (vol_type == CS42L42_VOL_ADC) {
502 			if (chs & BIT(0))
503 				cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL,
504 					cs42l42->vol[CS42L42_ADC_VOL_OFFSET]
505 					& CS42L42_REG_AMIC_VOL_MASK);
506 		}
507 	}
508 }
509 
510 int cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl)
511 {
512 	struct hda_codec *codec = snd_kcontrol_chip(kctrl);
513 	struct cs8409_spec *spec = codec->spec;
514 	struct sub_codec *cs42l42 = spec->scodecs[get_amp_index(kctrl)];
515 	int chs = get_amp_channels(kctrl);
516 	unsigned int ofs = get_amp_offset(kctrl);
517 	long *valp = uctrl->value.integer.value;
518 
519 	switch (ofs) {
520 	case CS42L42_VOL_DAC:
521 		if (chs & BIT(0))
522 			cs42l42->vol[ofs] = *valp;
523 		if (chs & BIT(1)) {
524 			valp++;
525 			cs42l42->vol[ofs + 1] = *valp;
526 		}
527 		if (spec->playback_started)
528 			cs42l42_mute(cs42l42, CS42L42_VOL_DAC, chs, false);
529 		break;
530 	case CS42L42_VOL_ADC:
531 		if (chs & BIT(0))
532 			cs42l42->vol[ofs] = *valp;
533 		if (spec->capture_started)
534 			cs42l42_mute(cs42l42, CS42L42_VOL_ADC, chs, false);
535 		break;
536 	default:
537 		break;
538 	}
539 
540 	return 0;
541 }
542 
543 static void cs42l42_playback_pcm_hook(struct hda_pcm_stream *hinfo,
544 				   struct hda_codec *codec,
545 				   struct snd_pcm_substream *substream,
546 				   int action)
547 {
548 	struct cs8409_spec *spec = codec->spec;
549 	struct sub_codec *cs42l42;
550 	int i;
551 	bool mute;
552 
553 	switch (action) {
554 	case HDA_GEN_PCM_ACT_PREPARE:
555 		mute = false;
556 		spec->playback_started = 1;
557 		break;
558 	case HDA_GEN_PCM_ACT_CLEANUP:
559 		mute = true;
560 		spec->playback_started = 0;
561 		break;
562 	default:
563 		return;
564 	}
565 
566 	for (i = 0; i < spec->num_scodecs; i++) {
567 		cs42l42 = spec->scodecs[i];
568 		cs42l42_mute(cs42l42, CS42L42_VOL_DAC, 0x3, mute);
569 	}
570 }
571 
572 static void cs42l42_capture_pcm_hook(struct hda_pcm_stream *hinfo,
573 				   struct hda_codec *codec,
574 				   struct snd_pcm_substream *substream,
575 				   int action)
576 {
577 	struct cs8409_spec *spec = codec->spec;
578 	struct sub_codec *cs42l42;
579 	int i;
580 	bool mute;
581 
582 	switch (action) {
583 	case HDA_GEN_PCM_ACT_PREPARE:
584 		mute = false;
585 		spec->capture_started = 1;
586 		break;
587 	case HDA_GEN_PCM_ACT_CLEANUP:
588 		mute = true;
589 		spec->capture_started = 0;
590 		break;
591 	default:
592 		return;
593 	}
594 
595 	for (i = 0; i < spec->num_scodecs; i++) {
596 		cs42l42 = spec->scodecs[i];
597 		cs42l42_mute(cs42l42, CS42L42_VOL_ADC, 0x3, mute);
598 	}
599 }
600 
601 /* Configure CS42L42 slave codec for jack autodetect */
602 static void cs42l42_enable_jack_detect(struct sub_codec *cs42l42)
603 {
604 	cs8409_i2c_write(cs42l42, 0x1b70, cs42l42->hsbias_hiz);
605 	/* Clear WAKE# */
606 	cs8409_i2c_write(cs42l42, 0x1b71, 0x00C1);
607 	/* Wait ~2.5ms */
608 	usleep_range(2500, 3000);
609 	/* Set mode WAKE# output follows the combination logic directly */
610 	cs8409_i2c_write(cs42l42, 0x1b71, 0x00C0);
611 	/* Clear interrupts status */
612 	cs8409_i2c_read(cs42l42, 0x130f);
613 	/* Enable interrupt */
614 	cs8409_i2c_write(cs42l42, 0x1320, 0xF3);
615 }
616 
617 /* Enable and run CS42L42 slave codec jack auto detect */
618 static void cs42l42_run_jack_detect(struct sub_codec *cs42l42)
619 {
620 	/* Clear interrupts */
621 	cs8409_i2c_read(cs42l42, 0x1308);
622 	cs8409_i2c_read(cs42l42, 0x1b77);
623 	cs8409_i2c_write(cs42l42, 0x1320, 0xFF);
624 	cs8409_i2c_read(cs42l42, 0x130f);
625 
626 	cs8409_i2c_write(cs42l42, 0x1102, 0x87);
627 	cs8409_i2c_write(cs42l42, 0x1f06, 0x86);
628 	cs8409_i2c_write(cs42l42, 0x1b74, 0x07);
629 	cs8409_i2c_write(cs42l42, 0x131b, 0xFD);
630 	cs8409_i2c_write(cs42l42, 0x1120, 0x80);
631 	/* Wait ~100us*/
632 	usleep_range(100, 200);
633 	cs8409_i2c_write(cs42l42, 0x111f, 0x77);
634 	cs8409_i2c_write(cs42l42, 0x1120, 0xc0);
635 }
636 
637 static int cs42l42_handle_tip_sense(struct sub_codec *cs42l42, unsigned int reg_ts_status)
638 {
639 	int status_changed = 0;
640 
641 	/* TIP_SENSE INSERT/REMOVE */
642 	switch (reg_ts_status) {
643 	case CS42L42_JACK_INSERTED:
644 		if (!cs42l42->hp_jack_in) {
645 			if (cs42l42->no_type_dect) {
646 				status_changed = 1;
647 				cs42l42->hp_jack_in = 1;
648 				cs42l42->mic_jack_in = 0;
649 			} else {
650 				cs42l42_run_jack_detect(cs42l42);
651 			}
652 		}
653 		break;
654 
655 	case CS42L42_JACK_REMOVED:
656 		if (cs42l42->hp_jack_in || cs42l42->mic_jack_in) {
657 			status_changed = 1;
658 			cs42l42->hp_jack_in = 0;
659 			cs42l42->mic_jack_in = 0;
660 		}
661 		break;
662 	default:
663 		/* jack in transition */
664 		break;
665 	}
666 
667 	return status_changed;
668 }
669 
670 static int cs42l42_jack_unsol_event(struct sub_codec *cs42l42)
671 {
672 	int status_changed = 0;
673 	int reg_cdc_status;
674 	int reg_hs_status;
675 	int reg_ts_status;
676 	int type;
677 
678 	/* Read jack detect status registers */
679 	reg_cdc_status = cs8409_i2c_read(cs42l42, 0x1308);
680 	reg_hs_status = cs8409_i2c_read(cs42l42, 0x1124);
681 	reg_ts_status = cs8409_i2c_read(cs42l42, 0x130f);
682 
683 	/* If status values are < 0, read error has occurred. */
684 	if (reg_cdc_status < 0 || reg_hs_status < 0 || reg_ts_status < 0)
685 		return -EIO;
686 
687 	/* HSDET_AUTO_DONE */
688 	if (reg_cdc_status & CS42L42_HSDET_AUTO_DONE) {
689 
690 		/* Disable HSDET_AUTO_DONE */
691 		cs8409_i2c_write(cs42l42, 0x131b, 0xFF);
692 
693 		type = ((reg_hs_status & CS42L42_HSTYPE_MASK) + 1);
694 
695 		if (cs42l42->no_type_dect) {
696 			status_changed = cs42l42_handle_tip_sense(cs42l42, reg_ts_status);
697 		} else if (type == 4) {
698 			/* Type 4 not supported	*/
699 			status_changed = cs42l42_handle_tip_sense(cs42l42, CS42L42_JACK_REMOVED);
700 		} else {
701 			if (!cs42l42->hp_jack_in) {
702 				status_changed = 1;
703 				cs42l42->hp_jack_in = 1;
704 			}
705 			/* type = 3 has no mic */
706 			if ((!cs42l42->mic_jack_in) && (type != 3)) {
707 				status_changed = 1;
708 				cs42l42->mic_jack_in = 1;
709 			}
710 		}
711 		/* Configure the HSDET mode. */
712 		cs8409_i2c_write(cs42l42, 0x1120, 0x80);
713 		/* Enable the HPOUT ground clamp and configure the HP pull-down */
714 		cs8409_i2c_write(cs42l42, 0x1F06, 0x02);
715 		/* Re-Enable Tip Sense Interrupt */
716 		cs8409_i2c_write(cs42l42, 0x1320, 0xF3);
717 	} else {
718 		status_changed = cs42l42_handle_tip_sense(cs42l42, reg_ts_status);
719 	}
720 
721 	return status_changed;
722 }
723 
724 static void cs42l42_resume(struct sub_codec *cs42l42)
725 {
726 	struct hda_codec *codec = cs42l42->codec;
727 	unsigned int gpio_data;
728 	struct cs8409_i2c_param irq_regs[] = {
729 		{ 0x1308, 0x00 },
730 		{ 0x1309, 0x00 },
731 		{ 0x130A, 0x00 },
732 		{ 0x130F, 0x00 },
733 	};
734 
735 	/* Bring CS42L42 out of Reset */
736 	gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0);
737 	gpio_data |= cs42l42->reset_gpio;
738 	snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, gpio_data);
739 	usleep_range(10000, 15000);
740 
741 	cs42l42->suspended = 0;
742 
743 	/* Initialize CS42L42 companion codec */
744 	cs8409_i2c_bulk_write(cs42l42, cs42l42->init_seq, cs42l42->init_seq_num);
745 	usleep_range(20000, 25000);
746 
747 	/* Clear interrupts, by reading interrupt status registers */
748 	cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs));
749 
750 	if (cs42l42->full_scale_vol)
751 		cs8409_i2c_write(cs42l42, 0x2001, 0x01);
752 
753 	cs42l42_enable_jack_detect(cs42l42);
754 }
755 
756 #ifdef CONFIG_PM
757 static void cs42l42_suspend(struct sub_codec *cs42l42)
758 {
759 	struct hda_codec *codec = cs42l42->codec;
760 	unsigned int gpio_data;
761 	int reg_cdc_status = 0;
762 	const struct cs8409_i2c_param cs42l42_pwr_down_seq[] = {
763 		{ 0x1F06, 0x02 },
764 		{ 0x1129, 0x00 },
765 		{ 0x2301, 0x3F },
766 		{ 0x2302, 0x3F },
767 		{ 0x2303, 0x3F },
768 		{ 0x2001, 0x0F },
769 		{ 0x2A01, 0x00 },
770 		{ 0x1207, 0x00 },
771 		{ 0x1101, 0xFE },
772 		{ 0x1102, 0x8C },
773 		{ 0x1101, 0xFF },
774 	};
775 
776 	cs8409_i2c_bulk_write(cs42l42, cs42l42_pwr_down_seq, ARRAY_SIZE(cs42l42_pwr_down_seq));
777 
778 	if (read_poll_timeout(cs8409_i2c_read, reg_cdc_status,
779 			(reg_cdc_status & 0x1), CS42L42_PDN_SLEEP_US, CS42L42_PDN_TIMEOUT_US,
780 			true, cs42l42, 0x1308) < 0)
781 		codec_warn(codec, "Timeout waiting for PDN_DONE for CS42L42\n");
782 
783 	/* Power down CS42L42 ASP/EQ/MIX/HP */
784 	cs8409_i2c_write(cs42l42, 0x1102, 0x9C);
785 	cs42l42->suspended = 1;
786 	cs42l42->last_page = 0;
787 	cs42l42->hp_jack_in = 0;
788 	cs42l42->mic_jack_in = 0;
789 
790 	/* Put CS42L42 into Reset */
791 	gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0);
792 	gpio_data &= ~cs42l42->reset_gpio;
793 	snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, gpio_data);
794 }
795 #endif
796 
797 static void cs8409_free(struct hda_codec *codec)
798 {
799 	struct cs8409_spec *spec = codec->spec;
800 
801 	/* Cancel i2c clock disable timer, and disable clock if left enabled */
802 	cancel_delayed_work_sync(&spec->i2c_clk_work);
803 	cs8409_disable_i2c_clock(codec);
804 
805 	snd_hda_gen_free(codec);
806 }
807 
808 /******************************************************************************
809  *                   BULLSEYE / WARLOCK / CYBORG Specific Functions
810  *                               CS8409/CS42L42
811  ******************************************************************************/
812 
813 /*
814  * In the case of CS8409 we do not have unsolicited events from NID's 0x24
815  * and 0x34 where hs mic and hp are connected. Companion codec CS42L42 will
816  * generate interrupt via gpio 4 to notify jack events. We have to overwrite
817  * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers
818  * and then notify status via generic snd_hda_jack_unsol_event() call.
819  */
820 static void cs8409_cs42l42_jack_unsol_event(struct hda_codec *codec, unsigned int res)
821 {
822 	struct cs8409_spec *spec = codec->spec;
823 	struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0];
824 	struct hda_jack_tbl *jk;
825 
826 	/* jack_unsol_event() will be called every time gpio line changing state.
827 	 * In this case gpio4 line goes up as a result of reading interrupt status
828 	 * registers in previous cs8409_jack_unsol_event() call.
829 	 * We don't need to handle this event, ignoring...
830 	 */
831 	if (res & cs42l42->irq_mask)
832 		return;
833 
834 	if (cs42l42_jack_unsol_event(cs42l42)) {
835 		snd_hda_set_pin_ctl(codec, CS8409_CS42L42_SPK_PIN_NID,
836 				    cs42l42->hp_jack_in ? 0 : PIN_OUT);
837 		/* Report jack*/
838 		jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_HP_PIN_NID, 0);
839 		if (jk)
840 			snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
841 							AC_UNSOL_RES_TAG);
842 		/* Report jack*/
843 		jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_AMIC_PIN_NID, 0);
844 		if (jk)
845 			snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
846 							 AC_UNSOL_RES_TAG);
847 	}
848 }
849 
850 #ifdef CONFIG_PM
851 /* Manage PDREF, when transition to D3hot */
852 static int cs8409_cs42l42_suspend(struct hda_codec *codec)
853 {
854 	struct cs8409_spec *spec = codec->spec;
855 	int i;
856 
857 	spec->init_done = 0;
858 
859 	cs8409_enable_ur(codec, 0);
860 
861 	for (i = 0; i < spec->num_scodecs; i++)
862 		cs42l42_suspend(spec->scodecs[i]);
863 
864 	/* Cancel i2c clock disable timer, and disable clock if left enabled */
865 	cancel_delayed_work_sync(&spec->i2c_clk_work);
866 	cs8409_disable_i2c_clock(codec);
867 
868 	snd_hda_shutup_pins(codec);
869 
870 	return 0;
871 }
872 #endif
873 
874 /* Vendor specific HW configuration
875  * PLL, ASP, I2C, SPI, GPIOs, DMIC etc...
876  */
877 static void cs8409_cs42l42_hw_init(struct hda_codec *codec)
878 {
879 	const struct cs8409_cir_param *seq = cs8409_cs42l42_hw_cfg;
880 	const struct cs8409_cir_param *seq_bullseye = cs8409_cs42l42_bullseye_atn;
881 	struct cs8409_spec *spec = codec->spec;
882 	struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0];
883 
884 	if (spec->gpio_mask) {
885 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_MASK,
886 			spec->gpio_mask);
887 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DIRECTION,
888 			spec->gpio_dir);
889 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA,
890 			spec->gpio_data);
891 	}
892 
893 	for (; seq->nid; seq++)
894 		cs8409_vendor_coef_set(codec, seq->cir, seq->coeff);
895 
896 	if (codec->fixup_id == CS8409_BULLSEYE) {
897 		for (; seq_bullseye->nid; seq_bullseye++)
898 			cs8409_vendor_coef_set(codec, seq_bullseye->cir, seq_bullseye->coeff);
899 	}
900 
901 	/* DMIC1_MO=00b, DMIC1/2_SR=1 */
902 	if (codec->fixup_id == CS8409_WARLOCK || codec->fixup_id == CS8409_CYBORG)
903 		cs8409_vendor_coef_set(codec, 0x09, 0x0003);
904 
905 	cs42l42_resume(cs42l42);
906 
907 	/* Enable Unsolicited Response */
908 	cs8409_enable_ur(codec, 1);
909 }
910 
911 static const struct hda_codec_ops cs8409_cs42l42_patch_ops = {
912 	.build_controls = cs8409_build_controls,
913 	.build_pcms = snd_hda_gen_build_pcms,
914 	.init = cs8409_init,
915 	.free = cs8409_free,
916 	.unsol_event = cs8409_cs42l42_jack_unsol_event,
917 #ifdef CONFIG_PM
918 	.suspend = cs8409_cs42l42_suspend,
919 #endif
920 };
921 
922 static int cs8409_cs42l42_exec_verb(struct hdac_device *dev, unsigned int cmd, unsigned int flags,
923 				    unsigned int *res)
924 {
925 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);
926 	struct cs8409_spec *spec = codec->spec;
927 	struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0];
928 
929 	unsigned int nid = ((cmd >> 20) & 0x07f);
930 	unsigned int verb = ((cmd >> 8) & 0x0fff);
931 
932 	/* CS8409 pins have no AC_PINSENSE_PRESENCE
933 	 * capabilities. We have to intercept 2 calls for pins 0x24 and 0x34
934 	 * and return correct pin sense values for read_pin_sense() call from
935 	 * hda_jack based on CS42L42 jack detect status.
936 	 */
937 	switch (nid) {
938 	case CS8409_CS42L42_HP_PIN_NID:
939 		if (verb == AC_VERB_GET_PIN_SENSE) {
940 			*res = (cs42l42->hp_jack_in) ? AC_PINSENSE_PRESENCE : 0;
941 			return 0;
942 		}
943 		break;
944 	case CS8409_CS42L42_AMIC_PIN_NID:
945 		if (verb == AC_VERB_GET_PIN_SENSE) {
946 			*res = (cs42l42->mic_jack_in) ? AC_PINSENSE_PRESENCE : 0;
947 			return 0;
948 		}
949 		break;
950 	default:
951 		break;
952 	}
953 
954 	return spec->exec_verb(dev, cmd, flags, res);
955 }
956 
957 void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action)
958 {
959 	struct cs8409_spec *spec = codec->spec;
960 
961 	switch (action) {
962 	case HDA_FIXUP_ACT_PRE_PROBE:
963 		snd_hda_add_verbs(codec, cs8409_cs42l42_init_verbs);
964 		/* verb exec op override */
965 		spec->exec_verb = codec->core.exec_verb;
966 		codec->core.exec_verb = cs8409_cs42l42_exec_verb;
967 
968 		spec->scodecs[CS8409_CODEC0] = &cs8409_cs42l42_codec;
969 		spec->num_scodecs = 1;
970 		spec->scodecs[CS8409_CODEC0]->codec = codec;
971 		codec->patch_ops = cs8409_cs42l42_patch_ops;
972 
973 		spec->gen.suppress_auto_mute = 1;
974 		spec->gen.no_primary_hp = 1;
975 		spec->gen.suppress_vmaster = 1;
976 
977 		/* GPIO 5 out, 3,4 in */
978 		spec->gpio_dir = spec->scodecs[CS8409_CODEC0]->reset_gpio;
979 		spec->gpio_data = 0;
980 		spec->gpio_mask = 0x03f;
981 
982 		/* Basic initial sequence for specific hw configuration */
983 		snd_hda_sequence_write(codec, cs8409_cs42l42_init_verbs);
984 
985 		cs8409_fix_caps(codec, CS8409_CS42L42_HP_PIN_NID);
986 		cs8409_fix_caps(codec, CS8409_CS42L42_AMIC_PIN_NID);
987 
988 		/* Set TIP_SENSE_EN for analog front-end of tip sense.
989 		 * Additionally set HSBIAS_SENSE_EN and Full Scale volume for some variants.
990 		 */
991 		switch (codec->fixup_id) {
992 		case CS8409_WARLOCK:
993 			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020;
994 			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
995 			break;
996 		case CS8409_BULLSEYE:
997 			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020;
998 			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 0;
999 			break;
1000 		case CS8409_CYBORG:
1001 			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x00a0;
1002 			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
1003 			break;
1004 		default:
1005 			spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0003;
1006 			spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1;
1007 			break;
1008 		}
1009 
1010 		break;
1011 	case HDA_FIXUP_ACT_PROBE:
1012 		/* Fix Sample Rate to 48kHz */
1013 		spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback;
1014 		spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture;
1015 		/* add hooks */
1016 		spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook;
1017 		spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook;
1018 		/* Set initial DMIC volume to -26 dB */
1019 		snd_hda_codec_amp_init_stereo(codec, CS8409_CS42L42_DMIC_ADC_PIN_NID,
1020 					      HDA_INPUT, 0, 0xff, 0x19);
1021 		snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume",
1022 				&cs42l42_dac_volume_mixer);
1023 		snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume",
1024 				&cs42l42_adc_volume_mixer);
1025 		/* Disable Unsolicited Response during boot */
1026 		cs8409_enable_ur(codec, 0);
1027 		snd_hda_codec_set_name(codec, "CS8409/CS42L42");
1028 		break;
1029 	case HDA_FIXUP_ACT_INIT:
1030 		cs8409_cs42l42_hw_init(codec);
1031 		spec->init_done = 1;
1032 		if (spec->init_done && spec->build_ctrl_done
1033 			&& !spec->scodecs[CS8409_CODEC0]->hp_jack_in)
1034 			cs42l42_run_jack_detect(spec->scodecs[CS8409_CODEC0]);
1035 		break;
1036 	case HDA_FIXUP_ACT_BUILD:
1037 		spec->build_ctrl_done = 1;
1038 		/* Run jack auto detect first time on boot
1039 		 * after controls have been added, to check if jack has
1040 		 * been already plugged in.
1041 		 * Run immediately after init.
1042 		 */
1043 		if (spec->init_done && spec->build_ctrl_done
1044 			&& !spec->scodecs[CS8409_CODEC0]->hp_jack_in)
1045 			cs42l42_run_jack_detect(spec->scodecs[CS8409_CODEC0]);
1046 		break;
1047 	default:
1048 		break;
1049 	}
1050 }
1051 
1052 /******************************************************************************
1053  *                          Dolphin Specific Functions
1054  *                               CS8409/ 2 X CS42L42
1055  ******************************************************************************/
1056 
1057 /*
1058  * In the case of CS8409 we do not have unsolicited events when
1059  * hs mic and hp are connected. Companion codec CS42L42 will
1060  * generate interrupt via irq_mask to notify jack events. We have to overwrite
1061  * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers
1062  * and then notify status via generic snd_hda_jack_unsol_event() call.
1063  */
1064 static void dolphin_jack_unsol_event(struct hda_codec *codec, unsigned int res)
1065 {
1066 	struct cs8409_spec *spec = codec->spec;
1067 	struct sub_codec *cs42l42;
1068 	struct hda_jack_tbl *jk;
1069 
1070 	cs42l42 = spec->scodecs[CS8409_CODEC0];
1071 	if (!cs42l42->suspended && (~res & cs42l42->irq_mask) &&
1072 	    cs42l42_jack_unsol_event(cs42l42)) {
1073 		jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_HP_PIN_NID, 0);
1074 		if (jk)
1075 			snd_hda_jack_unsol_event(codec,
1076 						 (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
1077 						  AC_UNSOL_RES_TAG);
1078 
1079 		jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_AMIC_PIN_NID, 0);
1080 		if (jk)
1081 			snd_hda_jack_unsol_event(codec,
1082 						 (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
1083 						  AC_UNSOL_RES_TAG);
1084 	}
1085 
1086 	cs42l42 = spec->scodecs[CS8409_CODEC1];
1087 	if (!cs42l42->suspended && (~res & cs42l42->irq_mask) &&
1088 	    cs42l42_jack_unsol_event(cs42l42)) {
1089 		jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_LO_PIN_NID, 0);
1090 		if (jk)
1091 			snd_hda_jack_unsol_event(codec,
1092 						 (jk->tag << AC_UNSOL_RES_TAG_SHIFT) &
1093 						  AC_UNSOL_RES_TAG);
1094 	}
1095 }
1096 
1097 /* Vendor specific HW configuration
1098  * PLL, ASP, I2C, SPI, GPIOs, DMIC etc...
1099  */
1100 static void dolphin_hw_init(struct hda_codec *codec)
1101 {
1102 	const struct cs8409_cir_param *seq = dolphin_hw_cfg;
1103 	struct cs8409_spec *spec = codec->spec;
1104 	struct sub_codec *cs42l42;
1105 	int i;
1106 
1107 	if (spec->gpio_mask) {
1108 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_MASK,
1109 				    spec->gpio_mask);
1110 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DIRECTION,
1111 				    spec->gpio_dir);
1112 		snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA,
1113 				    spec->gpio_data);
1114 	}
1115 
1116 	for (; seq->nid; seq++)
1117 		cs8409_vendor_coef_set(codec, seq->cir, seq->coeff);
1118 
1119 	for (i = 0; i < spec->num_scodecs; i++) {
1120 		cs42l42 = spec->scodecs[i];
1121 		cs42l42_resume(cs42l42);
1122 	}
1123 
1124 	/* Enable Unsolicited Response */
1125 	cs8409_enable_ur(codec, 1);
1126 }
1127 
1128 static const struct hda_codec_ops cs8409_dolphin_patch_ops = {
1129 	.build_controls = cs8409_build_controls,
1130 	.build_pcms = snd_hda_gen_build_pcms,
1131 	.init = cs8409_init,
1132 	.free = cs8409_free,
1133 	.unsol_event = dolphin_jack_unsol_event,
1134 #ifdef CONFIG_PM
1135 	.suspend = cs8409_cs42l42_suspend,
1136 #endif
1137 };
1138 
1139 static int dolphin_exec_verb(struct hdac_device *dev, unsigned int cmd, unsigned int flags,
1140 			     unsigned int *res)
1141 {
1142 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);
1143 	struct cs8409_spec *spec = codec->spec;
1144 	struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0];
1145 
1146 	unsigned int nid = ((cmd >> 20) & 0x07f);
1147 	unsigned int verb = ((cmd >> 8) & 0x0fff);
1148 
1149 	/* CS8409 pins have no AC_PINSENSE_PRESENCE
1150 	 * capabilities. We have to intercept calls for CS42L42 pins
1151 	 * and return correct pin sense values for read_pin_sense() call from
1152 	 * hda_jack based on CS42L42 jack detect status.
1153 	 */
1154 	switch (nid) {
1155 	case DOLPHIN_HP_PIN_NID:
1156 	case DOLPHIN_LO_PIN_NID:
1157 		if (nid == DOLPHIN_LO_PIN_NID)
1158 			cs42l42 = spec->scodecs[CS8409_CODEC1];
1159 		if (verb == AC_VERB_GET_PIN_SENSE) {
1160 			*res = (cs42l42->hp_jack_in) ? AC_PINSENSE_PRESENCE : 0;
1161 			return 0;
1162 		}
1163 		break;
1164 	case DOLPHIN_AMIC_PIN_NID:
1165 		if (verb == AC_VERB_GET_PIN_SENSE) {
1166 			*res = (cs42l42->mic_jack_in) ? AC_PINSENSE_PRESENCE : 0;
1167 			return 0;
1168 		}
1169 		break;
1170 	default:
1171 		break;
1172 	}
1173 
1174 	return spec->exec_verb(dev, cmd, flags, res);
1175 }
1176 
1177 void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action)
1178 {
1179 	struct cs8409_spec *spec = codec->spec;
1180 	struct snd_kcontrol_new *kctrl;
1181 	int i;
1182 
1183 	switch (action) {
1184 	case HDA_FIXUP_ACT_PRE_PROBE:
1185 		snd_hda_add_verbs(codec, dolphin_init_verbs);
1186 		/* verb exec op override */
1187 		spec->exec_verb = codec->core.exec_verb;
1188 		codec->core.exec_verb = dolphin_exec_verb;
1189 
1190 		spec->scodecs[CS8409_CODEC0] = &dolphin_cs42l42_0;
1191 		spec->scodecs[CS8409_CODEC0]->codec = codec;
1192 		spec->scodecs[CS8409_CODEC1] = &dolphin_cs42l42_1;
1193 		spec->scodecs[CS8409_CODEC1]->codec = codec;
1194 		spec->num_scodecs = 2;
1195 
1196 		codec->patch_ops = cs8409_dolphin_patch_ops;
1197 
1198 		/* GPIO 1,5 out, 0,4 in */
1199 		spec->gpio_dir = spec->scodecs[CS8409_CODEC0]->reset_gpio |
1200 				 spec->scodecs[CS8409_CODEC1]->reset_gpio;
1201 		spec->gpio_data = 0;
1202 		spec->gpio_mask = 0x03f;
1203 
1204 		/* Basic initial sequence for specific hw configuration */
1205 		snd_hda_sequence_write(codec, dolphin_init_verbs);
1206 
1207 		snd_hda_jack_add_kctl(codec, DOLPHIN_LO_PIN_NID, "Line Out", true,
1208 				      SND_JACK_HEADPHONE, NULL);
1209 
1210 		snd_hda_jack_add_kctl(codec, DOLPHIN_AMIC_PIN_NID, "Microphone", true,
1211 				      SND_JACK_MICROPHONE, NULL);
1212 
1213 		cs8409_fix_caps(codec, DOLPHIN_HP_PIN_NID);
1214 		cs8409_fix_caps(codec, DOLPHIN_LO_PIN_NID);
1215 		cs8409_fix_caps(codec, DOLPHIN_AMIC_PIN_NID);
1216 
1217 		break;
1218 	case HDA_FIXUP_ACT_PROBE:
1219 		/* Fix Sample Rate to 48kHz */
1220 		spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback;
1221 		spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture;
1222 		/* add hooks */
1223 		spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook;
1224 		spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook;
1225 		snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume",
1226 				     &cs42l42_dac_volume_mixer);
1227 		snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume", &cs42l42_adc_volume_mixer);
1228 		kctrl = snd_hda_gen_add_kctl(&spec->gen, "Line Out Playback Volume",
1229 					     &cs42l42_dac_volume_mixer);
1230 		/* Update Line Out kcontrol template */
1231 		kctrl->private_value = HDA_COMPOSE_AMP_VAL_OFS(DOLPHIN_HP_PIN_NID, 3, CS8409_CODEC1,
1232 				       HDA_OUTPUT, CS42L42_VOL_DAC) | HDA_AMP_VAL_MIN_MUTE;
1233 		cs8409_enable_ur(codec, 0);
1234 		snd_hda_codec_set_name(codec, "CS8409/CS42L42");
1235 		break;
1236 	case HDA_FIXUP_ACT_INIT:
1237 		dolphin_hw_init(codec);
1238 		spec->init_done = 1;
1239 		if (spec->init_done && spec->build_ctrl_done) {
1240 			for (i = 0; i < spec->num_scodecs; i++) {
1241 				if (!spec->scodecs[i]->hp_jack_in)
1242 					cs42l42_run_jack_detect(spec->scodecs[i]);
1243 			}
1244 		}
1245 		break;
1246 	case HDA_FIXUP_ACT_BUILD:
1247 		spec->build_ctrl_done = 1;
1248 		/* Run jack auto detect first time on boot
1249 		 * after controls have been added, to check if jack has
1250 		 * been already plugged in.
1251 		 * Run immediately after init.
1252 		 */
1253 		if (spec->init_done && spec->build_ctrl_done) {
1254 			for (i = 0; i < spec->num_scodecs; i++) {
1255 				if (!spec->scodecs[i]->hp_jack_in)
1256 					cs42l42_run_jack_detect(spec->scodecs[i]);
1257 			}
1258 		}
1259 		break;
1260 	default:
1261 		break;
1262 	}
1263 }
1264 
1265 static int patch_cs8409(struct hda_codec *codec)
1266 {
1267 	int err;
1268 
1269 	if (!cs8409_alloc_spec(codec))
1270 		return -ENOMEM;
1271 
1272 	snd_hda_pick_fixup(codec, cs8409_models, cs8409_fixup_tbl, cs8409_fixups);
1273 
1274 	codec_dbg(codec, "Picked ID=%d, VID=%08x, DEV=%08x\n", codec->fixup_id,
1275 			 codec->bus->pci->subsystem_vendor,
1276 			 codec->bus->pci->subsystem_device);
1277 
1278 	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
1279 
1280 	err = cs8409_parse_auto_config(codec);
1281 	if (err < 0) {
1282 		cs8409_free(codec);
1283 		return err;
1284 	}
1285 
1286 	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);
1287 	return 0;
1288 }
1289 
1290 static const struct hda_device_id snd_hda_id_cs8409[] = {
1291 	HDA_CODEC_ENTRY(0x10138409, "CS8409", patch_cs8409),
1292 	{} /* terminator */
1293 };
1294 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cs8409);
1295 
1296 static struct hda_codec_driver cs8409_driver = {
1297 	.id = snd_hda_id_cs8409,
1298 };
1299 module_hda_codec_driver(cs8409_driver);
1300 
1301 MODULE_LICENSE("GPL");
1302 MODULE_DESCRIPTION("Cirrus Logic HDA bridge");
1303