1// SPDX-License-Identifier: GPL-2.0
2//
3// cs35l45.c - CS35L45 ALSA SoC audio driver
4//
5// Copyright 2019-2022 Cirrus Logic, Inc.
6//
7// Author: James Schulman <james.schulman@cirrus.com>
8
9#include <linux/gpio/consumer.h>
10#include <linux/module.h>
11#include <linux/pm_runtime.h>
12#include <linux/property.h>
13#include <linux/firmware.h>
14#include <linux/regulator/consumer.h>
15#include <sound/core.h>
16#include <sound/pcm.h>
17#include <sound/pcm_params.h>
18#include <sound/soc.h>
19#include <sound/tlv.h>
20
21#include "cs35l45.h"
22
23static bool cs35l45_check_cspl_mbox_sts(const enum cs35l45_cspl_mboxcmd cmd,
24					enum cs35l45_cspl_mboxstate sts)
25{
26	switch (cmd) {
27	case CSPL_MBOX_CMD_NONE:
28	case CSPL_MBOX_CMD_UNKNOWN_CMD:
29		return true;
30	case CSPL_MBOX_CMD_PAUSE:
31	case CSPL_MBOX_CMD_OUT_OF_HIBERNATE:
32		return (sts == CSPL_MBOX_STS_PAUSED);
33	case CSPL_MBOX_CMD_RESUME:
34		return (sts == CSPL_MBOX_STS_RUNNING);
35	case CSPL_MBOX_CMD_REINIT:
36		return (sts == CSPL_MBOX_STS_RUNNING);
37	case CSPL_MBOX_CMD_STOP_PRE_REINIT:
38		return (sts == CSPL_MBOX_STS_RDY_FOR_REINIT);
39	case CSPL_MBOX_CMD_HIBERNATE:
40		return (sts == CSPL_MBOX_STS_HIBERNATE);
41	default:
42		return false;
43	}
44}
45
46static int cs35l45_set_cspl_mbox_cmd(struct cs35l45_private *cs35l45,
47				      struct regmap *regmap,
48				      const enum cs35l45_cspl_mboxcmd cmd)
49{
50	unsigned int sts = 0, i;
51	int ret;
52
53	if (!cs35l45->dsp.cs_dsp.running) {
54		dev_err(cs35l45->dev, "DSP not running\n");
55		return -EPERM;
56	}
57
58	// Set mailbox cmd
59	ret = regmap_write(regmap, CS35L45_DSP_VIRT1_MBOX_1, cmd);
60	if (ret < 0) {
61		if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
62			dev_err(cs35l45->dev, "Failed to write MBOX: %d\n", ret);
63		return ret;
64	}
65
66	// Read mailbox status and verify it is appropriate for the given cmd
67	for (i = 0; i < 5; i++) {
68		usleep_range(1000, 1100);
69
70		ret = regmap_read(regmap, CS35L45_DSP_MBOX_2, &sts);
71		if (ret < 0) {
72			dev_err(cs35l45->dev, "Failed to read MBOX STS: %d\n", ret);
73			continue;
74		}
75
76		if (!cs35l45_check_cspl_mbox_sts(cmd, sts))
77			dev_dbg(cs35l45->dev, "[%u] cmd %u returned invalid sts %u", i, cmd, sts);
78		else
79			return 0;
80	}
81
82	if (cmd != CSPL_MBOX_CMD_OUT_OF_HIBERNATE)
83		dev_err(cs35l45->dev, "Failed to set mailbox cmd %u (status %u)\n", cmd, sts);
84
85	return -ENOMSG;
86}
87
88static int cs35l45_global_en_ev(struct snd_soc_dapm_widget *w,
89				struct snd_kcontrol *kcontrol, int event)
90{
91	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
92	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(component);
93
94	dev_dbg(cs35l45->dev, "%s event : %x\n", __func__, event);
95
96	switch (event) {
97	case SND_SOC_DAPM_POST_PMU:
98		regmap_write(cs35l45->regmap, CS35L45_GLOBAL_ENABLES,
99			     CS35L45_GLOBAL_EN_MASK);
100
101		usleep_range(CS35L45_POST_GLOBAL_EN_US, CS35L45_POST_GLOBAL_EN_US + 100);
102		break;
103	case SND_SOC_DAPM_PRE_PMD:
104		usleep_range(CS35L45_PRE_GLOBAL_DIS_US, CS35L45_PRE_GLOBAL_DIS_US + 100);
105
106		regmap_write(cs35l45->regmap, CS35L45_GLOBAL_ENABLES, 0);
107		break;
108	default:
109		break;
110	}
111
112	return 0;
113}
114
115static int cs35l45_dsp_preload_ev(struct snd_soc_dapm_widget *w,
116				  struct snd_kcontrol *kcontrol, int event)
117{
118	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
119	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(component);
120	int ret;
121
122	switch (event) {
123	case SND_SOC_DAPM_PRE_PMU:
124		if (cs35l45->dsp.cs_dsp.booted)
125			return 0;
126
127		return wm_adsp_early_event(w, kcontrol, event);
128	case SND_SOC_DAPM_POST_PMU:
129		if (cs35l45->dsp.cs_dsp.running)
130			return 0;
131
132		regmap_set_bits(cs35l45->regmap, CS35L45_PWRMGT_CTL,
133				   CS35L45_MEM_RDY_MASK);
134
135		return wm_adsp_event(w, kcontrol, event);
136	case SND_SOC_DAPM_PRE_PMD:
137		if (cs35l45->dsp.preloaded)
138			return 0;
139
140		if (cs35l45->dsp.cs_dsp.running) {
141			ret = wm_adsp_event(w, kcontrol, event);
142			if (ret)
143				return ret;
144		}
145
146		return wm_adsp_early_event(w, kcontrol, event);
147	default:
148		return 0;
149	}
150}
151
152static int cs35l45_dsp_audio_ev(struct snd_soc_dapm_widget *w,
153				struct snd_kcontrol *kcontrol, int event)
154{
155	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
156	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(component);
157
158	switch (event) {
159	case SND_SOC_DAPM_POST_PMU:
160		return cs35l45_set_cspl_mbox_cmd(cs35l45, cs35l45->regmap,
161						 CSPL_MBOX_CMD_RESUME);
162	case SND_SOC_DAPM_PRE_PMD:
163		return cs35l45_set_cspl_mbox_cmd(cs35l45, cs35l45->regmap,
164						 CSPL_MBOX_CMD_PAUSE);
165	default:
166		return 0;
167	}
168
169	return 0;
170}
171
172static int cs35l45_activate_ctl(struct snd_soc_component *component,
173				const char *ctl_name, bool active)
174{
175	struct snd_card *card = component->card->snd_card;
176	struct snd_kcontrol *kcontrol;
177	struct snd_kcontrol_volatile *vd;
178	unsigned int index_offset;
179	char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
180
181	if (component->name_prefix)
182		snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s",
183			 component->name_prefix, ctl_name);
184	else
185		snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s", ctl_name);
186
187	kcontrol = snd_soc_card_get_kcontrol_locked(component->card, name);
188	if (!kcontrol) {
189		dev_err(component->dev, "Can't find kcontrol %s\n", name);
190		return -EINVAL;
191	}
192
193	index_offset = snd_ctl_get_ioff(kcontrol, &kcontrol->id);
194	vd = &kcontrol->vd[index_offset];
195	if (active)
196		vd->access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
197	else
198		vd->access &= ~SNDRV_CTL_ELEM_ACCESS_WRITE;
199
200	snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, &kcontrol->id);
201
202	return 0;
203}
204
205static int cs35l45_amplifier_mode_get(struct snd_kcontrol *kcontrol,
206				      struct snd_ctl_elem_value *ucontrol)
207{
208	struct snd_soc_component *component =
209			snd_soc_kcontrol_component(kcontrol);
210	struct cs35l45_private *cs35l45 =
211			snd_soc_component_get_drvdata(component);
212
213	ucontrol->value.integer.value[0] = cs35l45->amplifier_mode;
214
215	return 0;
216}
217
218static int cs35l45_amplifier_mode_put(struct snd_kcontrol *kcontrol,
219				      struct snd_ctl_elem_value *ucontrol)
220{
221	struct snd_soc_component *component =
222			snd_soc_kcontrol_component(kcontrol);
223	struct cs35l45_private *cs35l45 =
224			snd_soc_component_get_drvdata(component);
225	struct snd_soc_dapm_context *dapm =
226			snd_soc_component_get_dapm(component);
227	unsigned int amp_state;
228	int ret;
229
230	if ((ucontrol->value.integer.value[0] == cs35l45->amplifier_mode) ||
231	    (ucontrol->value.integer.value[0] > AMP_MODE_RCV))
232		return 0;
233
234	snd_soc_dapm_mutex_lock(dapm);
235
236	ret = regmap_read(cs35l45->regmap, CS35L45_BLOCK_ENABLES, &amp_state);
237	if (ret < 0) {
238		dev_err(cs35l45->dev, "Failed to read AMP state: %d\n", ret);
239		snd_soc_dapm_mutex_unlock(dapm);
240		return ret;
241	}
242
243	regmap_clear_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
244				  CS35L45_AMP_EN_MASK);
245	snd_soc_component_disable_pin_unlocked(component, "SPK");
246	snd_soc_dapm_sync_unlocked(dapm);
247
248	if (ucontrol->value.integer.value[0] == AMP_MODE_SPK) {
249		regmap_clear_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
250				  CS35L45_RCV_EN_MASK);
251
252		regmap_update_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
253				   CS35L45_BST_EN_MASK,
254				   CS35L45_BST_ENABLE << CS35L45_BST_EN_SHIFT);
255
256		regmap_update_bits(cs35l45->regmap, CS35L45_HVLV_CONFIG,
257				   CS35L45_HVLV_MODE_MASK,
258				   CS35L45_HVLV_OPERATION <<
259				   CS35L45_HVLV_MODE_SHIFT);
260
261		ret = cs35l45_activate_ctl(component, "Analog PCM Volume", true);
262		if (ret < 0)
263			dev_err(cs35l45->dev,
264				"Unable to deactivate ctl (%d)\n", ret);
265
266	} else  /* AMP_MODE_RCV */ {
267		regmap_set_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
268				CS35L45_RCV_EN_MASK);
269
270		regmap_update_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
271				   CS35L45_BST_EN_MASK,
272				   CS35L45_BST_DISABLE_FET_OFF <<
273				   CS35L45_BST_EN_SHIFT);
274
275		regmap_update_bits(cs35l45->regmap, CS35L45_HVLV_CONFIG,
276				   CS35L45_HVLV_MODE_MASK,
277				   CS35L45_FORCE_LV_OPERATION <<
278				   CS35L45_HVLV_MODE_SHIFT);
279
280		regmap_clear_bits(cs35l45->regmap,
281				  CS35L45_BLOCK_ENABLES2,
282				  CS35L45_AMP_DRE_EN_MASK);
283
284		regmap_update_bits(cs35l45->regmap, CS35L45_AMP_GAIN,
285				   CS35L45_AMP_GAIN_PCM_MASK,
286				   CS35L45_AMP_GAIN_PCM_13DBV <<
287				   CS35L45_AMP_GAIN_PCM_SHIFT);
288
289		ret = cs35l45_activate_ctl(component, "Analog PCM Volume", false);
290		if (ret < 0)
291			dev_err(cs35l45->dev,
292				"Unable to deactivate ctl (%d)\n", ret);
293	}
294
295	if (amp_state & CS35L45_AMP_EN_MASK)
296		regmap_set_bits(cs35l45->regmap, CS35L45_BLOCK_ENABLES,
297				CS35L45_AMP_EN_MASK);
298
299	snd_soc_component_enable_pin_unlocked(component, "SPK");
300	snd_soc_dapm_sync_unlocked(dapm);
301	snd_soc_dapm_mutex_unlock(dapm);
302
303	cs35l45->amplifier_mode = ucontrol->value.integer.value[0];
304
305	return 1;
306}
307
308static const char * const cs35l45_asp_tx_txt[] = {
309	"Zero", "ASP_RX1", "ASP_RX2",
310	"VMON", "IMON", "ERR_VOL",
311	"VDD_BATTMON", "VDD_BSTMON",
312	"DSP_TX1", "DSP_TX2",
313	"Interpolator", "IL_TARGET",
314};
315
316static const unsigned int cs35l45_asp_tx_val[] = {
317	CS35L45_PCM_SRC_ZERO, CS35L45_PCM_SRC_ASP_RX1, CS35L45_PCM_SRC_ASP_RX2,
318	CS35L45_PCM_SRC_VMON, CS35L45_PCM_SRC_IMON, CS35L45_PCM_SRC_ERR_VOL,
319	CS35L45_PCM_SRC_VDD_BATTMON, CS35L45_PCM_SRC_VDD_BSTMON,
320	CS35L45_PCM_SRC_DSP_TX1, CS35L45_PCM_SRC_DSP_TX2,
321	CS35L45_PCM_SRC_INTERPOLATOR, CS35L45_PCM_SRC_IL_TARGET,
322};
323
324static const struct soc_enum cs35l45_asp_tx_enums[] = {
325	SOC_VALUE_ENUM_SINGLE(CS35L45_ASPTX1_INPUT, 0, CS35L45_PCM_SRC_MASK,
326			      ARRAY_SIZE(cs35l45_asp_tx_txt), cs35l45_asp_tx_txt,
327			      cs35l45_asp_tx_val),
328	SOC_VALUE_ENUM_SINGLE(CS35L45_ASPTX2_INPUT, 0, CS35L45_PCM_SRC_MASK,
329			      ARRAY_SIZE(cs35l45_asp_tx_txt), cs35l45_asp_tx_txt,
330			      cs35l45_asp_tx_val),
331	SOC_VALUE_ENUM_SINGLE(CS35L45_ASPTX3_INPUT, 0, CS35L45_PCM_SRC_MASK,
332			      ARRAY_SIZE(cs35l45_asp_tx_txt), cs35l45_asp_tx_txt,
333			      cs35l45_asp_tx_val),
334	SOC_VALUE_ENUM_SINGLE(CS35L45_ASPTX4_INPUT, 0, CS35L45_PCM_SRC_MASK,
335			      ARRAY_SIZE(cs35l45_asp_tx_txt), cs35l45_asp_tx_txt,
336			      cs35l45_asp_tx_val),
337	SOC_VALUE_ENUM_SINGLE(CS35L45_ASPTX5_INPUT, 0, CS35L45_PCM_SRC_MASK,
338			      ARRAY_SIZE(cs35l45_asp_tx_txt), cs35l45_asp_tx_txt,
339			      cs35l45_asp_tx_val),
340};
341
342static const char * const cs35l45_dsp_rx_txt[] = {
343	"Zero", "ASP_RX1", "ASP_RX2",
344	"VMON", "IMON", "ERR_VOL",
345	"CLASSH_TGT", "VDD_BATTMON",
346	"VDD_BSTMON", "TEMPMON",
347};
348
349static const unsigned int cs35l45_dsp_rx_val[] = {
350	CS35L45_PCM_SRC_ZERO, CS35L45_PCM_SRC_ASP_RX1, CS35L45_PCM_SRC_ASP_RX2,
351	CS35L45_PCM_SRC_VMON, CS35L45_PCM_SRC_IMON, CS35L45_PCM_SRC_ERR_VOL,
352	CS35L45_PCM_SRC_CLASSH_TGT, CS35L45_PCM_SRC_VDD_BATTMON,
353	CS35L45_PCM_SRC_VDD_BSTMON, CS35L45_PCM_SRC_TEMPMON,
354};
355
356static const struct soc_enum cs35l45_dsp_rx_enums[] = {
357	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX1_INPUT, 0, CS35L45_PCM_SRC_MASK,
358			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
359			      cs35l45_dsp_rx_val),
360	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX2_INPUT, 0, CS35L45_PCM_SRC_MASK,
361			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
362			      cs35l45_dsp_rx_val),
363	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX3_INPUT, 0, CS35L45_PCM_SRC_MASK,
364			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
365			      cs35l45_dsp_rx_val),
366	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX4_INPUT, 0, CS35L45_PCM_SRC_MASK,
367			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
368			      cs35l45_dsp_rx_val),
369	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX5_INPUT, 0, CS35L45_PCM_SRC_MASK,
370			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
371			      cs35l45_dsp_rx_val),
372	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX6_INPUT, 0, CS35L45_PCM_SRC_MASK,
373			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
374			      cs35l45_dsp_rx_val),
375	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX7_INPUT, 0, CS35L45_PCM_SRC_MASK,
376			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
377			      cs35l45_dsp_rx_val),
378	SOC_VALUE_ENUM_SINGLE(CS35L45_DSP1RX8_INPUT, 0, CS35L45_PCM_SRC_MASK,
379			      ARRAY_SIZE(cs35l45_dsp_rx_txt), cs35l45_dsp_rx_txt,
380			      cs35l45_dsp_rx_val),
381};
382
383static const char * const cs35l45_dac_txt[] = {
384	"Zero", "ASP_RX1", "ASP_RX2", "DSP_TX1", "DSP_TX2"
385};
386
387static const unsigned int cs35l45_dac_val[] = {
388	CS35L45_PCM_SRC_ZERO, CS35L45_PCM_SRC_ASP_RX1, CS35L45_PCM_SRC_ASP_RX2,
389	CS35L45_PCM_SRC_DSP_TX1, CS35L45_PCM_SRC_DSP_TX2
390};
391
392static const struct soc_enum cs35l45_dacpcm_enums[] = {
393	SOC_VALUE_ENUM_SINGLE(CS35L45_DACPCM1_INPUT, 0, CS35L45_PCM_SRC_MASK,
394			      ARRAY_SIZE(cs35l45_dac_txt), cs35l45_dac_txt,
395			      cs35l45_dac_val),
396};
397
398static const struct snd_kcontrol_new cs35l45_asp_muxes[] = {
399	SOC_DAPM_ENUM("ASP_TX1 Source", cs35l45_asp_tx_enums[0]),
400	SOC_DAPM_ENUM("ASP_TX2 Source", cs35l45_asp_tx_enums[1]),
401	SOC_DAPM_ENUM("ASP_TX3 Source", cs35l45_asp_tx_enums[2]),
402	SOC_DAPM_ENUM("ASP_TX4 Source", cs35l45_asp_tx_enums[3]),
403	SOC_DAPM_ENUM("ASP_TX5 Source", cs35l45_asp_tx_enums[4]),
404};
405
406static const struct snd_kcontrol_new cs35l45_dsp_muxes[] = {
407	SOC_DAPM_ENUM("DSP_RX1 Source", cs35l45_dsp_rx_enums[0]),
408	SOC_DAPM_ENUM("DSP_RX2 Source", cs35l45_dsp_rx_enums[1]),
409	SOC_DAPM_ENUM("DSP_RX3 Source", cs35l45_dsp_rx_enums[2]),
410	SOC_DAPM_ENUM("DSP_RX4 Source", cs35l45_dsp_rx_enums[3]),
411	SOC_DAPM_ENUM("DSP_RX5 Source", cs35l45_dsp_rx_enums[4]),
412	SOC_DAPM_ENUM("DSP_RX6 Source", cs35l45_dsp_rx_enums[5]),
413	SOC_DAPM_ENUM("DSP_RX7 Source", cs35l45_dsp_rx_enums[6]),
414	SOC_DAPM_ENUM("DSP_RX8 Source", cs35l45_dsp_rx_enums[7]),
415};
416
417static const struct snd_kcontrol_new cs35l45_dac_muxes[] = {
418	SOC_DAPM_ENUM("DACPCM Source", cs35l45_dacpcm_enums[0]),
419};
420static const struct snd_kcontrol_new amp_en_ctl =
421	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0);
422
423static const struct snd_soc_dapm_widget cs35l45_dapm_widgets[] = {
424	SND_SOC_DAPM_SPK("DSP1 Preload", NULL),
425	SND_SOC_DAPM_SUPPLY_S("DSP1 Preloader", 100, SND_SOC_NOPM, 0, 0,
426				cs35l45_dsp_preload_ev,
427				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
428	SND_SOC_DAPM_OUT_DRV_E("DSP1", SND_SOC_NOPM, 0, 0, NULL, 0,
429				cs35l45_dsp_audio_ev,
430				SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
431	SND_SOC_DAPM_SUPPLY("GLOBAL_EN", SND_SOC_NOPM, 0, 0,
432			    cs35l45_global_en_ev,
433			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
434	SND_SOC_DAPM_SUPPLY("ASP_EN", CS35L45_BLOCK_ENABLES2, CS35L45_ASP_EN_SHIFT, 0, NULL, 0),
435
436	SND_SOC_DAPM_SIGGEN("VMON_SRC"),
437	SND_SOC_DAPM_SIGGEN("IMON_SRC"),
438	SND_SOC_DAPM_SIGGEN("TEMPMON_SRC"),
439	SND_SOC_DAPM_SIGGEN("VDD_BATTMON_SRC"),
440	SND_SOC_DAPM_SIGGEN("VDD_BSTMON_SRC"),
441	SND_SOC_DAPM_SIGGEN("ERR_VOL"),
442	SND_SOC_DAPM_SIGGEN("AMP_INTP"),
443	SND_SOC_DAPM_SIGGEN("IL_TARGET"),
444
445	SND_SOC_DAPM_SUPPLY("VMON_EN", CS35L45_BLOCK_ENABLES, CS35L45_VMON_EN_SHIFT, 0, NULL, 0),
446	SND_SOC_DAPM_SUPPLY("IMON_EN", CS35L45_BLOCK_ENABLES, CS35L45_IMON_EN_SHIFT, 0, NULL, 0),
447	SND_SOC_DAPM_SUPPLY("TEMPMON_EN", CS35L45_BLOCK_ENABLES, CS35L45_TEMPMON_EN_SHIFT, 0, NULL, 0),
448	SND_SOC_DAPM_SUPPLY("VDD_BATTMON_EN", CS35L45_BLOCK_ENABLES, CS35L45_VDD_BATTMON_EN_SHIFT, 0, NULL, 0),
449	SND_SOC_DAPM_SUPPLY("VDD_BSTMON_EN", CS35L45_BLOCK_ENABLES, CS35L45_VDD_BSTMON_EN_SHIFT, 0, NULL, 0),
450
451	SND_SOC_DAPM_ADC("VMON", NULL, SND_SOC_NOPM, 0, 0),
452	SND_SOC_DAPM_ADC("IMON", NULL, SND_SOC_NOPM, 0, 0),
453	SND_SOC_DAPM_ADC("TEMPMON", NULL, SND_SOC_NOPM, 0, 0),
454	SND_SOC_DAPM_ADC("VDD_BATTMON", NULL, SND_SOC_NOPM, 0, 0),
455	SND_SOC_DAPM_ADC("VDD_BSTMON", NULL, SND_SOC_NOPM, 0, 0),
456
457
458	SND_SOC_DAPM_AIF_IN("ASP_RX1", NULL, 0, CS35L45_ASP_ENABLES1, CS35L45_ASP_RX1_EN_SHIFT, 0),
459	SND_SOC_DAPM_AIF_IN("ASP_RX2", NULL, 1, CS35L45_ASP_ENABLES1, CS35L45_ASP_RX2_EN_SHIFT, 0),
460
461	SND_SOC_DAPM_AIF_OUT("ASP_TX1", NULL, 0, CS35L45_ASP_ENABLES1, CS35L45_ASP_TX1_EN_SHIFT, 0),
462	SND_SOC_DAPM_AIF_OUT("ASP_TX2", NULL, 1, CS35L45_ASP_ENABLES1, CS35L45_ASP_TX2_EN_SHIFT, 0),
463	SND_SOC_DAPM_AIF_OUT("ASP_TX3", NULL, 2, CS35L45_ASP_ENABLES1, CS35L45_ASP_TX3_EN_SHIFT, 0),
464	SND_SOC_DAPM_AIF_OUT("ASP_TX4", NULL, 3, CS35L45_ASP_ENABLES1, CS35L45_ASP_TX4_EN_SHIFT, 0),
465	SND_SOC_DAPM_AIF_OUT("ASP_TX5", NULL, 3, CS35L45_ASP_ENABLES1, CS35L45_ASP_TX5_EN_SHIFT, 0),
466
467	SND_SOC_DAPM_MUX("ASP_TX1 Source", SND_SOC_NOPM, 0, 0, &cs35l45_asp_muxes[0]),
468	SND_SOC_DAPM_MUX("ASP_TX2 Source", SND_SOC_NOPM, 0, 0, &cs35l45_asp_muxes[1]),
469	SND_SOC_DAPM_MUX("ASP_TX3 Source", SND_SOC_NOPM, 0, 0, &cs35l45_asp_muxes[2]),
470	SND_SOC_DAPM_MUX("ASP_TX4 Source", SND_SOC_NOPM, 0, 0, &cs35l45_asp_muxes[3]),
471	SND_SOC_DAPM_MUX("ASP_TX5 Source", SND_SOC_NOPM, 0, 0, &cs35l45_asp_muxes[4]),
472
473	SND_SOC_DAPM_MUX("DSP_RX1 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[0]),
474	SND_SOC_DAPM_MUX("DSP_RX2 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[1]),
475	SND_SOC_DAPM_MUX("DSP_RX3 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[2]),
476	SND_SOC_DAPM_MUX("DSP_RX4 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[3]),
477	SND_SOC_DAPM_MUX("DSP_RX5 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[4]),
478	SND_SOC_DAPM_MUX("DSP_RX6 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[5]),
479	SND_SOC_DAPM_MUX("DSP_RX7 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[6]),
480	SND_SOC_DAPM_MUX("DSP_RX8 Source", SND_SOC_NOPM, 0, 0, &cs35l45_dsp_muxes[7]),
481
482	SND_SOC_DAPM_MUX("DACPCM Source", SND_SOC_NOPM, 0, 0, &cs35l45_dac_muxes[0]),
483
484	SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 0, &amp_en_ctl),
485
486	SND_SOC_DAPM_OUT_DRV("AMP", SND_SOC_NOPM, 0, 0, NULL, 0),
487
488	SND_SOC_DAPM_OUTPUT("SPK"),
489};
490
491#define CS35L45_ASP_MUX_ROUTE(name) \
492	{ name" Source", "ASP_RX1",	 "ASP_RX1" }, \
493	{ name" Source", "ASP_RX2",	 "ASP_RX2" }, \
494	{ name" Source", "DSP_TX1",	 "DSP1" }, \
495	{ name" Source", "DSP_TX2",	 "DSP1" }, \
496	{ name" Source", "VMON",	 "VMON" }, \
497	{ name" Source", "IMON",	 "IMON" }, \
498	{ name" Source", "ERR_VOL",	 "ERR_VOL" }, \
499	{ name" Source", "VDD_BATTMON",	 "VDD_BATTMON" }, \
500	{ name" Source", "VDD_BSTMON",	 "VDD_BSTMON" }, \
501	{ name" Source", "Interpolator", "AMP_INTP" }, \
502	{ name" Source", "IL_TARGET",	 "IL_TARGET" }
503
504#define CS35L45_DSP_MUX_ROUTE(name) \
505	{ name" Source", "ASP_RX1",	"ASP_RX1" }, \
506	{ name" Source", "ASP_RX2",	"ASP_RX2" }
507
508#define CS35L45_DAC_MUX_ROUTE(name) \
509	{ name" Source", "ASP_RX1",	"ASP_RX1" }, \
510	{ name" Source", "ASP_RX2",	"ASP_RX2" }, \
511	{ name" Source", "DSP_TX1",	"DSP1" }, \
512	{ name" Source", "DSP_TX2",	"DSP1" }
513
514static const struct snd_soc_dapm_route cs35l45_dapm_routes[] = {
515	/* Feedback */
516	{ "VMON", NULL, "VMON_SRC" },
517	{ "IMON", NULL, "IMON_SRC" },
518	{ "TEMPMON", NULL, "TEMPMON_SRC" },
519	{ "VDD_BATTMON", NULL, "VDD_BATTMON_SRC" },
520	{ "VDD_BSTMON", NULL, "VDD_BSTMON_SRC" },
521
522	{ "VMON", NULL, "VMON_EN" },
523	{ "IMON", NULL, "IMON_EN" },
524	{ "TEMPMON", NULL, "TEMPMON_EN" },
525	{ "VDD_BATTMON", NULL, "VDD_BATTMON_EN" },
526	{ "VDD_BSTMON", NULL, "VDD_BSTMON_EN" },
527
528	{ "Capture", NULL, "ASP_TX1"},
529	{ "Capture", NULL, "ASP_TX2"},
530	{ "Capture", NULL, "ASP_TX3"},
531	{ "Capture", NULL, "ASP_TX4"},
532	{ "Capture", NULL, "ASP_TX5"},
533	{ "ASP_TX1", NULL, "ASP_TX1 Source"},
534	{ "ASP_TX2", NULL, "ASP_TX2 Source"},
535	{ "ASP_TX3", NULL, "ASP_TX3 Source"},
536	{ "ASP_TX4", NULL, "ASP_TX4 Source"},
537	{ "ASP_TX5", NULL, "ASP_TX5 Source"},
538
539	{ "ASP_TX1", NULL, "ASP_EN" },
540	{ "ASP_TX2", NULL, "ASP_EN" },
541	{ "ASP_TX3", NULL, "ASP_EN" },
542	{ "ASP_TX4", NULL, "ASP_EN" },
543	{ "ASP_TX1", NULL, "GLOBAL_EN" },
544	{ "ASP_TX2", NULL, "GLOBAL_EN" },
545	{ "ASP_TX3", NULL, "GLOBAL_EN" },
546	{ "ASP_TX4", NULL, "GLOBAL_EN" },
547	{ "ASP_TX5", NULL, "GLOBAL_EN" },
548
549	CS35L45_ASP_MUX_ROUTE("ASP_TX1"),
550	CS35L45_ASP_MUX_ROUTE("ASP_TX2"),
551	CS35L45_ASP_MUX_ROUTE("ASP_TX3"),
552	CS35L45_ASP_MUX_ROUTE("ASP_TX4"),
553	CS35L45_ASP_MUX_ROUTE("ASP_TX5"),
554
555	/* Playback */
556	{ "ASP_RX1", NULL, "Playback" },
557	{ "ASP_RX2", NULL, "Playback" },
558	{ "ASP_RX1", NULL, "ASP_EN" },
559	{ "ASP_RX2", NULL, "ASP_EN" },
560
561	{ "AMP", NULL, "DACPCM Source"},
562	{ "AMP", NULL, "GLOBAL_EN"},
563
564	CS35L45_DSP_MUX_ROUTE("DSP_RX1"),
565	CS35L45_DSP_MUX_ROUTE("DSP_RX2"),
566	CS35L45_DSP_MUX_ROUTE("DSP_RX3"),
567	CS35L45_DSP_MUX_ROUTE("DSP_RX4"),
568	CS35L45_DSP_MUX_ROUTE("DSP_RX5"),
569	CS35L45_DSP_MUX_ROUTE("DSP_RX6"),
570	CS35L45_DSP_MUX_ROUTE("DSP_RX7"),
571	CS35L45_DSP_MUX_ROUTE("DSP_RX8"),
572
573	{"DSP1", NULL, "DSP_RX1 Source"},
574	{"DSP1", NULL, "DSP_RX2 Source"},
575	{"DSP1", NULL, "DSP_RX3 Source"},
576	{"DSP1", NULL, "DSP_RX4 Source"},
577	{"DSP1", NULL, "DSP_RX5 Source"},
578	{"DSP1", NULL, "DSP_RX6 Source"},
579	{"DSP1", NULL, "DSP_RX7 Source"},
580	{"DSP1", NULL, "DSP_RX8 Source"},
581
582	{"DSP1", NULL, "VMON_EN"},
583	{"DSP1", NULL, "IMON_EN"},
584	{"DSP1", NULL, "VDD_BATTMON_EN"},
585	{"DSP1", NULL, "VDD_BSTMON_EN"},
586	{"DSP1", NULL, "TEMPMON_EN"},
587
588	{"DSP1 Preload", NULL, "DSP1 Preloader"},
589	{"DSP1", NULL, "DSP1 Preloader"},
590
591	CS35L45_DAC_MUX_ROUTE("DACPCM"),
592
593	{ "AMP Enable", "Switch", "AMP" },
594	{ "SPK", NULL, "AMP Enable"},
595};
596
597static const char * const amplifier_mode_texts[] = {"SPK", "RCV"};
598static SOC_ENUM_SINGLE_DECL(amplifier_mode_enum, SND_SOC_NOPM, 0,
599			    amplifier_mode_texts);
600static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 1000, 300, 0);
601static const DECLARE_TLV_DB_SCALE(cs35l45_dig_pcm_vol_tlv, -10225, 25, true);
602
603static const struct snd_kcontrol_new cs35l45_controls[] = {
604	SOC_ENUM_EXT("Amplifier Mode", amplifier_mode_enum,
605		     cs35l45_amplifier_mode_get, cs35l45_amplifier_mode_put),
606	SOC_SINGLE_TLV("Analog PCM Volume", CS35L45_AMP_GAIN,
607			CS35L45_AMP_GAIN_PCM_SHIFT,
608			CS35L45_AMP_GAIN_PCM_MASK >> CS35L45_AMP_GAIN_PCM_SHIFT,
609			0, amp_gain_tlv),
610	/* Ignore bit 0: it is beyond the resolution of TLV_DB_SCALE */
611	SOC_SINGLE_S_TLV("Digital PCM Volume",
612			 CS35L45_AMP_PCM_CONTROL,
613			 CS35L45_AMP_VOL_PCM_SHIFT + 1,
614			 -409, 48,
615			 (CS35L45_AMP_VOL_PCM_WIDTH - 1) - 1,
616			 0, cs35l45_dig_pcm_vol_tlv),
617	WM_ADSP2_PRELOAD_SWITCH("DSP1", 1),
618	WM_ADSP_FW_CONTROL("DSP1", 0),
619};
620
621static int cs35l45_set_pll(struct cs35l45_private *cs35l45, unsigned int freq)
622{
623	unsigned int val;
624	int freq_id;
625
626	freq_id = cs35l45_get_clk_freq_id(freq);
627	if (freq_id < 0) {
628		dev_err(cs35l45->dev, "Invalid freq: %u\n", freq);
629		return -EINVAL;
630	}
631
632	regmap_read(cs35l45->regmap, CS35L45_REFCLK_INPUT, &val);
633	val = (val & CS35L45_PLL_REFCLK_FREQ_MASK) >> CS35L45_PLL_REFCLK_FREQ_SHIFT;
634	if (val == freq_id)
635		return 0;
636
637	regmap_set_bits(cs35l45->regmap, CS35L45_REFCLK_INPUT, CS35L45_PLL_OPEN_LOOP_MASK);
638	regmap_update_bits(cs35l45->regmap, CS35L45_REFCLK_INPUT,
639			   CS35L45_PLL_REFCLK_FREQ_MASK,
640			   freq_id << CS35L45_PLL_REFCLK_FREQ_SHIFT);
641	regmap_clear_bits(cs35l45->regmap, CS35L45_REFCLK_INPUT, CS35L45_PLL_REFCLK_EN_MASK);
642	regmap_clear_bits(cs35l45->regmap, CS35L45_REFCLK_INPUT, CS35L45_PLL_OPEN_LOOP_MASK);
643	regmap_set_bits(cs35l45->regmap, CS35L45_REFCLK_INPUT, CS35L45_PLL_REFCLK_EN_MASK);
644
645	return 0;
646}
647
648static int cs35l45_asp_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
649{
650	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(codec_dai->component);
651	unsigned int asp_fmt, fsync_inv, bclk_inv;
652
653	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
654	case SND_SOC_DAIFMT_CBC_CFC:
655		break;
656	default:
657		dev_err(cs35l45->dev, "Invalid DAI clocking\n");
658		return -EINVAL;
659	}
660
661	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
662	case SND_SOC_DAIFMT_DSP_A:
663		asp_fmt = CS35l45_ASP_FMT_DSP_A;
664		break;
665	case SND_SOC_DAIFMT_I2S:
666		asp_fmt = CS35L45_ASP_FMT_I2S;
667		break;
668	default:
669		dev_err(cs35l45->dev, "Invalid DAI format\n");
670		return -EINVAL;
671	}
672
673	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
674	case SND_SOC_DAIFMT_NB_IF:
675		fsync_inv = 1;
676		bclk_inv = 0;
677		break;
678	case SND_SOC_DAIFMT_IB_NF:
679		fsync_inv = 0;
680		bclk_inv = 1;
681		break;
682	case SND_SOC_DAIFMT_IB_IF:
683		fsync_inv = 1;
684		bclk_inv = 1;
685		break;
686	case SND_SOC_DAIFMT_NB_NF:
687		fsync_inv = 0;
688		bclk_inv = 0;
689		break;
690	default:
691		dev_warn(cs35l45->dev, "Invalid DAI clock polarity\n");
692		return -EINVAL;
693	}
694
695	regmap_update_bits(cs35l45->regmap, CS35L45_ASP_CONTROL2,
696			   CS35L45_ASP_FMT_MASK |
697			   CS35L45_ASP_FSYNC_INV_MASK |
698			   CS35L45_ASP_BCLK_INV_MASK,
699			   (asp_fmt << CS35L45_ASP_FMT_SHIFT) |
700			   (fsync_inv << CS35L45_ASP_FSYNC_INV_SHIFT) |
701			   (bclk_inv << CS35L45_ASP_BCLK_INV_SHIFT));
702
703	return 0;
704}
705
706static int cs35l45_asp_hw_params(struct snd_pcm_substream *substream,
707				 struct snd_pcm_hw_params *params,
708				 struct snd_soc_dai *dai)
709{
710	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(dai->component);
711	unsigned int asp_width, asp_wl, global_fs, slot_multiple, asp_fmt;
712	int bclk;
713
714	switch (params_rate(params)) {
715	case 44100:
716		global_fs = CS35L45_44P100_KHZ;
717		break;
718	case 48000:
719		global_fs = CS35L45_48P0_KHZ;
720		break;
721	case 88200:
722		global_fs = CS35L45_88P200_KHZ;
723		break;
724	case 96000:
725		global_fs = CS35L45_96P0_KHZ;
726		break;
727	default:
728		dev_warn(cs35l45->dev, "Unsupported sample rate (%d)\n",
729			 params_rate(params));
730		return -EINVAL;
731	}
732
733	regmap_update_bits(cs35l45->regmap, CS35L45_GLOBAL_SAMPLE_RATE,
734			   CS35L45_GLOBAL_FS_MASK,
735			   global_fs << CS35L45_GLOBAL_FS_SHIFT);
736
737	asp_wl = params_width(params);
738
739	if (cs35l45->slot_width)
740		asp_width = cs35l45->slot_width;
741	else
742		asp_width = params_width(params);
743
744	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
745		regmap_update_bits(cs35l45->regmap, CS35L45_ASP_CONTROL2,
746				   CS35L45_ASP_WIDTH_RX_MASK,
747				   asp_width << CS35L45_ASP_WIDTH_RX_SHIFT);
748
749		regmap_update_bits(cs35l45->regmap, CS35L45_ASP_DATA_CONTROL5,
750				   CS35L45_ASP_WL_MASK,
751				   asp_wl << CS35L45_ASP_WL_SHIFT);
752	} else {
753		regmap_update_bits(cs35l45->regmap, CS35L45_ASP_CONTROL2,
754				   CS35L45_ASP_WIDTH_TX_MASK,
755				   asp_width << CS35L45_ASP_WIDTH_TX_SHIFT);
756
757		regmap_update_bits(cs35l45->regmap, CS35L45_ASP_DATA_CONTROL1,
758				   CS35L45_ASP_WL_MASK,
759				   asp_wl << CS35L45_ASP_WL_SHIFT);
760	}
761
762	if (cs35l45->sysclk_set)
763		return 0;
764
765	/* I2S always has an even number of channels */
766	regmap_read(cs35l45->regmap, CS35L45_ASP_CONTROL2, &asp_fmt);
767	asp_fmt = (asp_fmt & CS35L45_ASP_FMT_MASK) >> CS35L45_ASP_FMT_SHIFT;
768	if (asp_fmt == CS35L45_ASP_FMT_I2S)
769		slot_multiple = 2;
770	else
771		slot_multiple = 1;
772
773	bclk = snd_soc_tdm_params_to_bclk(params, asp_width,
774					  cs35l45->slot_count, slot_multiple);
775
776	return cs35l45_set_pll(cs35l45, bclk);
777}
778
779static int cs35l45_asp_set_tdm_slot(struct snd_soc_dai *dai,
780				    unsigned int tx_mask, unsigned int rx_mask,
781				    int slots, int slot_width)
782{
783	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(dai->component);
784
785	if (slot_width && ((slot_width < 16) || (slot_width > 128)))
786		return -EINVAL;
787
788	cs35l45->slot_width = slot_width;
789	cs35l45->slot_count = slots;
790
791	return 0;
792}
793
794static int cs35l45_asp_set_sysclk(struct snd_soc_dai *dai,
795				  int clk_id, unsigned int freq, int dir)
796{
797	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(dai->component);
798	int ret;
799
800	if (clk_id != 0) {
801		dev_err(cs35l45->dev, "Invalid clk_id %d\n", clk_id);
802		return -EINVAL;
803	}
804
805	cs35l45->sysclk_set = false;
806	if (freq == 0)
807		return 0;
808
809	ret = cs35l45_set_pll(cs35l45, freq);
810	if (ret < 0)
811		return -EINVAL;
812
813	cs35l45->sysclk_set = true;
814
815	return 0;
816}
817
818static int cs35l45_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
819{
820	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(dai->component);
821	unsigned int global_fs, val, hpf_tune;
822
823	if (mute)
824		return 0;
825
826	regmap_read(cs35l45->regmap, CS35L45_GLOBAL_SAMPLE_RATE, &global_fs);
827	global_fs = (global_fs & CS35L45_GLOBAL_FS_MASK) >> CS35L45_GLOBAL_FS_SHIFT;
828	switch (global_fs) {
829	case CS35L45_44P100_KHZ:
830		hpf_tune = CS35L45_HPF_44P1;
831		break;
832	case CS35L45_88P200_KHZ:
833		hpf_tune = CS35L45_HPF_88P2;
834		break;
835	default:
836		hpf_tune = CS35l45_HPF_DEFAULT;
837		break;
838	}
839
840	regmap_read(cs35l45->regmap, CS35L45_AMP_PCM_HPF_TST, &val);
841	if (val != hpf_tune) {
842		struct reg_sequence hpf_override_seq[] = {
843			{ 0x00000040,			0x00000055 },
844			{ 0x00000040,			0x000000AA },
845			{ 0x00000044,			0x00000055 },
846			{ 0x00000044,			0x000000AA },
847			{ CS35L45_AMP_PCM_HPF_TST,	hpf_tune },
848			{ 0x00000040,			0x00000000 },
849			{ 0x00000044,			0x00000000 },
850		};
851		regmap_multi_reg_write(cs35l45->regmap, hpf_override_seq,
852				       ARRAY_SIZE(hpf_override_seq));
853	}
854
855	return 0;
856}
857
858static const struct snd_soc_dai_ops cs35l45_asp_dai_ops = {
859	.set_fmt = cs35l45_asp_set_fmt,
860	.hw_params = cs35l45_asp_hw_params,
861	.set_tdm_slot = cs35l45_asp_set_tdm_slot,
862	.set_sysclk = cs35l45_asp_set_sysclk,
863	.mute_stream = cs35l45_mute_stream,
864};
865
866static struct snd_soc_dai_driver cs35l45_dai[] = {
867	{
868		.name = "cs35l45",
869		.playback = {
870			.stream_name = "Playback",
871			.channels_min = 1,
872			.channels_max = 2,
873			.rates = CS35L45_RATES,
874			.formats = CS35L45_FORMATS,
875		},
876		.capture = {
877			.stream_name = "Capture",
878			.channels_min = 1,
879			.channels_max = 5,
880			.rates = CS35L45_RATES,
881			.formats = CS35L45_FORMATS,
882		},
883		.symmetric_rate = true,
884		.symmetric_sample_bits = true,
885		.ops = &cs35l45_asp_dai_ops,
886	},
887};
888
889static int cs35l45_component_probe(struct snd_soc_component *component)
890{
891	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(component);
892
893	return wm_adsp2_component_probe(&cs35l45->dsp, component);
894}
895
896static void cs35l45_component_remove(struct snd_soc_component *component)
897{
898	struct cs35l45_private *cs35l45 = snd_soc_component_get_drvdata(component);
899
900	wm_adsp2_component_remove(&cs35l45->dsp, component);
901}
902
903static const struct snd_soc_component_driver cs35l45_component = {
904	.probe = cs35l45_component_probe,
905	.remove = cs35l45_component_remove,
906
907	.dapm_widgets = cs35l45_dapm_widgets,
908	.num_dapm_widgets = ARRAY_SIZE(cs35l45_dapm_widgets),
909
910	.dapm_routes = cs35l45_dapm_routes,
911	.num_dapm_routes = ARRAY_SIZE(cs35l45_dapm_routes),
912
913	.controls = cs35l45_controls,
914	.num_controls = ARRAY_SIZE(cs35l45_controls),
915
916	.name = "cs35l45",
917
918	.endianness = 1,
919};
920
921static void cs35l45_setup_hibernate(struct cs35l45_private *cs35l45)
922{
923	unsigned int wksrc;
924
925	if (cs35l45->bus_type == CONTROL_BUS_I2C)
926		wksrc = CS35L45_WKSRC_I2C;
927	else
928		wksrc = CS35L45_WKSRC_SPI;
929
930	regmap_update_bits(cs35l45->regmap, CS35L45_WAKESRC_CTL,
931			   CS35L45_WKSRC_EN_MASK,
932			   wksrc << CS35L45_WKSRC_EN_SHIFT);
933
934	regmap_set_bits(cs35l45->regmap, CS35L45_WAKESRC_CTL,
935			   CS35L45_UPDT_WKCTL_MASK);
936
937	regmap_update_bits(cs35l45->regmap, CS35L45_WKI2C_CTL,
938			   CS35L45_WKI2C_ADDR_MASK, cs35l45->i2c_addr);
939
940	regmap_set_bits(cs35l45->regmap, CS35L45_WKI2C_CTL,
941			   CS35L45_UPDT_WKI2C_MASK);
942}
943
944static int cs35l45_enter_hibernate(struct cs35l45_private *cs35l45)
945{
946	dev_dbg(cs35l45->dev, "Enter hibernate\n");
947
948	cs35l45_setup_hibernate(cs35l45);
949
950	regmap_set_bits(cs35l45->regmap, CS35L45_IRQ1_MASK_2, CS35L45_DSP_VIRT2_MBOX_MASK);
951
952	// Don't wait for ACK since bus activity would wake the device
953	regmap_write(cs35l45->regmap, CS35L45_DSP_VIRT1_MBOX_1, CSPL_MBOX_CMD_HIBERNATE);
954
955	return 0;
956}
957
958static int cs35l45_exit_hibernate(struct cs35l45_private *cs35l45)
959{
960	const int wake_retries = 20;
961	const int sleep_retries = 5;
962	int ret, i, j;
963
964	for (i = 0; i < sleep_retries; i++) {
965		dev_dbg(cs35l45->dev, "Exit hibernate\n");
966
967		for (j = 0; j < wake_retries; j++) {
968			ret = cs35l45_set_cspl_mbox_cmd(cs35l45, cs35l45->regmap,
969					  CSPL_MBOX_CMD_OUT_OF_HIBERNATE);
970			if (!ret) {
971				dev_dbg(cs35l45->dev, "Wake success at cycle: %d\n", j);
972				regmap_clear_bits(cs35l45->regmap, CS35L45_IRQ1_MASK_2,
973						 CS35L45_DSP_VIRT2_MBOX_MASK);
974				return 0;
975			}
976			usleep_range(100, 200);
977		}
978
979		dev_err(cs35l45->dev, "Wake failed, re-enter hibernate: %d\n", ret);
980
981		cs35l45_setup_hibernate(cs35l45);
982	}
983
984	dev_err(cs35l45->dev, "Timed out waking device\n");
985
986	return -ETIMEDOUT;
987}
988
989static int cs35l45_runtime_suspend(struct device *dev)
990{
991	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
992
993	if (!cs35l45->dsp.preloaded || !cs35l45->dsp.cs_dsp.running)
994		return 0;
995
996	cs35l45_enter_hibernate(cs35l45);
997
998	regcache_cache_only(cs35l45->regmap, true);
999	regcache_mark_dirty(cs35l45->regmap);
1000
1001	dev_dbg(cs35l45->dev, "Runtime suspended\n");
1002
1003	return 0;
1004}
1005
1006static int cs35l45_runtime_resume(struct device *dev)
1007{
1008	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
1009	int ret;
1010
1011	if (!cs35l45->dsp.preloaded || !cs35l45->dsp.cs_dsp.running)
1012		return 0;
1013
1014	dev_dbg(cs35l45->dev, "Runtime resume\n");
1015
1016	regcache_cache_only(cs35l45->regmap, false);
1017
1018	ret = cs35l45_exit_hibernate(cs35l45);
1019	if (ret)
1020		return ret;
1021
1022	ret = regcache_sync(cs35l45->regmap);
1023	if (ret != 0)
1024		dev_warn(cs35l45->dev, "regcache_sync failed: %d\n", ret);
1025
1026	/* Clear global error status */
1027	regmap_clear_bits(cs35l45->regmap, CS35L45_ERROR_RELEASE, CS35L45_GLOBAL_ERR_RLS_MASK);
1028	regmap_set_bits(cs35l45->regmap, CS35L45_ERROR_RELEASE, CS35L45_GLOBAL_ERR_RLS_MASK);
1029	regmap_clear_bits(cs35l45->regmap, CS35L45_ERROR_RELEASE, CS35L45_GLOBAL_ERR_RLS_MASK);
1030	return ret;
1031}
1032
1033static int cs35l45_sys_suspend(struct device *dev)
1034{
1035	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
1036
1037	dev_dbg(cs35l45->dev, "System suspend, disabling IRQ\n");
1038	disable_irq(cs35l45->irq);
1039
1040	return 0;
1041}
1042
1043static int cs35l45_sys_suspend_noirq(struct device *dev)
1044{
1045	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
1046
1047	dev_dbg(cs35l45->dev, "Late system suspend, reenabling IRQ\n");
1048	enable_irq(cs35l45->irq);
1049
1050	return 0;
1051}
1052
1053static int cs35l45_sys_resume_noirq(struct device *dev)
1054{
1055	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
1056
1057	dev_dbg(cs35l45->dev, "Early system resume, disabling IRQ\n");
1058	disable_irq(cs35l45->irq);
1059
1060	return 0;
1061}
1062
1063static int cs35l45_sys_resume(struct device *dev)
1064{
1065	struct cs35l45_private *cs35l45 = dev_get_drvdata(dev);
1066
1067	dev_dbg(cs35l45->dev, "System resume, reenabling IRQ\n");
1068	enable_irq(cs35l45->irq);
1069
1070	return 0;
1071}
1072
1073static int cs35l45_apply_property_config(struct cs35l45_private *cs35l45)
1074{
1075	struct device_node *node = cs35l45->dev->of_node;
1076	unsigned int gpio_regs[] = {CS35L45_GPIO1_CTRL1, CS35L45_GPIO2_CTRL1,
1077				    CS35L45_GPIO3_CTRL1};
1078	unsigned int pad_regs[] = {CS35L45_SYNC_GPIO1,
1079				   CS35L45_INTB_GPIO2_MCLK_REF, CS35L45_GPIO3};
1080	struct device_node *child;
1081	unsigned int val;
1082	char of_name[32];
1083	int ret, i;
1084
1085	if (!node)
1086		return 0;
1087
1088	for (i = 0; i < CS35L45_NUM_GPIOS; i++) {
1089		sprintf(of_name, "cirrus,gpio-ctrl%d", i + 1);
1090		child = of_get_child_by_name(node, of_name);
1091		if (!child)
1092			continue;
1093
1094		ret = of_property_read_u32(child, "gpio-dir", &val);
1095		if (!ret)
1096			regmap_update_bits(cs35l45->regmap, gpio_regs[i],
1097					   CS35L45_GPIO_DIR_MASK,
1098					   val << CS35L45_GPIO_DIR_SHIFT);
1099
1100		ret = of_property_read_u32(child, "gpio-lvl", &val);
1101		if (!ret)
1102			regmap_update_bits(cs35l45->regmap, gpio_regs[i],
1103					   CS35L45_GPIO_LVL_MASK,
1104					   val << CS35L45_GPIO_LVL_SHIFT);
1105
1106		ret = of_property_read_u32(child, "gpio-op-cfg", &val);
1107		if (!ret)
1108			regmap_update_bits(cs35l45->regmap, gpio_regs[i],
1109					   CS35L45_GPIO_OP_CFG_MASK,
1110					   val << CS35L45_GPIO_OP_CFG_SHIFT);
1111
1112		ret = of_property_read_u32(child, "gpio-pol", &val);
1113		if (!ret)
1114			regmap_update_bits(cs35l45->regmap, gpio_regs[i],
1115					   CS35L45_GPIO_POL_MASK,
1116					   val << CS35L45_GPIO_POL_SHIFT);
1117
1118		ret = of_property_read_u32(child, "gpio-ctrl", &val);
1119		if (!ret)
1120			regmap_update_bits(cs35l45->regmap, pad_regs[i],
1121					   CS35L45_GPIO_CTRL_MASK,
1122					   val << CS35L45_GPIO_CTRL_SHIFT);
1123
1124		ret = of_property_read_u32(child, "gpio-invert", &val);
1125		if (!ret) {
1126			regmap_update_bits(cs35l45->regmap, pad_regs[i],
1127					   CS35L45_GPIO_INVERT_MASK,
1128					   val << CS35L45_GPIO_INVERT_SHIFT);
1129			if (i == 1)
1130				cs35l45->irq_invert = val;
1131		}
1132
1133		of_node_put(child);
1134	}
1135
1136	if (device_property_read_u32(cs35l45->dev,
1137				     "cirrus,asp-sdout-hiz-ctrl", &val) == 0) {
1138		regmap_update_bits(cs35l45->regmap, CS35L45_ASP_CONTROL3,
1139				   CS35L45_ASP_DOUT_HIZ_CTRL_MASK,
1140				   val << CS35L45_ASP_DOUT_HIZ_CTRL_SHIFT);
1141	}
1142
1143	return 0;
1144}
1145
1146static int cs35l45_dsp_virt2_mbox3_irq_handle(struct cs35l45_private *cs35l45,
1147					      const unsigned int cmd,
1148					      unsigned int data)
1149{
1150	static char *speak_status = "Unknown";
1151
1152	switch (cmd) {
1153	case EVENT_SPEAKER_STATUS:
1154		switch (data) {
1155		case 1:
1156			speak_status = "All Clear";
1157			break;
1158		case 2:
1159			speak_status = "Open Circuit";
1160			break;
1161		case 4:
1162			speak_status = "Short Circuit";
1163			break;
1164		}
1165
1166		dev_info(cs35l45->dev, "MBOX event (SPEAKER_STATUS): %s\n",
1167			 speak_status);
1168		break;
1169	case EVENT_BOOT_DONE:
1170		dev_dbg(cs35l45->dev, "MBOX event (BOOT_DONE)\n");
1171		break;
1172	default:
1173		dev_err(cs35l45->dev, "MBOX event not supported %u\n", cmd);
1174		return -EINVAL;
1175	}
1176
1177	return 0;
1178}
1179
1180static irqreturn_t cs35l45_dsp_virt2_mbox_cb(int irq, void *data)
1181{
1182	struct cs35l45_private *cs35l45 = data;
1183	unsigned int mbox_val;
1184	int ret = 0;
1185
1186	ret = regmap_read(cs35l45->regmap, CS35L45_DSP_VIRT2_MBOX_3, &mbox_val);
1187	if (!ret && mbox_val)
1188		cs35l45_dsp_virt2_mbox3_irq_handle(cs35l45, mbox_val & CS35L45_MBOX3_CMD_MASK,
1189				(mbox_val & CS35L45_MBOX3_DATA_MASK) >> CS35L45_MBOX3_DATA_SHIFT);
1190
1191	/* Handle DSP trace log IRQ */
1192	ret = regmap_read(cs35l45->regmap, CS35L45_DSP_VIRT2_MBOX_4, &mbox_val);
1193	if (!ret && mbox_val != 0) {
1194		dev_err(cs35l45->dev, "Spurious DSP MBOX4 IRQ\n");
1195	}
1196
1197	return IRQ_RETVAL(ret);
1198}
1199
1200static irqreturn_t cs35l45_pll_unlock(int irq, void *data)
1201{
1202	struct cs35l45_private *cs35l45 = data;
1203
1204	dev_dbg(cs35l45->dev, "PLL unlock detected!");
1205
1206	return IRQ_HANDLED;
1207}
1208
1209static irqreturn_t cs35l45_pll_lock(int irq, void *data)
1210{
1211	struct cs35l45_private *cs35l45 = data;
1212
1213	dev_dbg(cs35l45->dev, "PLL lock detected!");
1214
1215	return IRQ_HANDLED;
1216}
1217
1218static irqreturn_t cs35l45_spk_safe_err(int irq, void *data);
1219
1220static const struct cs35l45_irq cs35l45_irqs[] = {
1221	CS35L45_IRQ(AMP_SHORT_ERR, "Amplifier short error", cs35l45_spk_safe_err),
1222	CS35L45_IRQ(UVLO_VDDBATT_ERR, "VDDBATT undervoltage error", cs35l45_spk_safe_err),
1223	CS35L45_IRQ(BST_SHORT_ERR, "Boost inductor error", cs35l45_spk_safe_err),
1224	CS35L45_IRQ(BST_UVP_ERR, "Boost undervoltage error", cs35l45_spk_safe_err),
1225	CS35L45_IRQ(TEMP_ERR, "Overtemperature error", cs35l45_spk_safe_err),
1226	CS35L45_IRQ(AMP_CAL_ERR, "Amplifier calibration error", cs35l45_spk_safe_err),
1227	CS35L45_IRQ(UVLO_VDDLV_ERR, "LV threshold detector error", cs35l45_spk_safe_err),
1228	CS35L45_IRQ(GLOBAL_ERROR, "Global error", cs35l45_spk_safe_err),
1229	CS35L45_IRQ(DSP_WDT_EXPIRE, "DSP Watchdog Timer", cs35l45_spk_safe_err),
1230	CS35L45_IRQ(PLL_UNLOCK_FLAG_RISE, "PLL unlock", cs35l45_pll_unlock),
1231	CS35L45_IRQ(PLL_LOCK_FLAG, "PLL lock", cs35l45_pll_lock),
1232	CS35L45_IRQ(DSP_VIRT2_MBOX, "DSP virtual MBOX 2 write flag", cs35l45_dsp_virt2_mbox_cb),
1233};
1234
1235static irqreturn_t cs35l45_spk_safe_err(int irq, void *data)
1236{
1237	struct cs35l45_private *cs35l45 = data;
1238	int i;
1239
1240	i = irq - regmap_irq_get_virq(cs35l45->irq_data, 0);
1241
1242	if (i < 0 || i >= ARRAY_SIZE(cs35l45_irqs))
1243		dev_err(cs35l45->dev, "Unspecified global error condition (%d) detected!\n", irq);
1244	else
1245		dev_err(cs35l45->dev, "%s condition detected!\n", cs35l45_irqs[i].name);
1246
1247	return IRQ_HANDLED;
1248}
1249
1250static const struct regmap_irq cs35l45_reg_irqs[] = {
1251	CS35L45_REG_IRQ(IRQ1_EINT_1, AMP_SHORT_ERR),
1252	CS35L45_REG_IRQ(IRQ1_EINT_1, UVLO_VDDBATT_ERR),
1253	CS35L45_REG_IRQ(IRQ1_EINT_1, BST_SHORT_ERR),
1254	CS35L45_REG_IRQ(IRQ1_EINT_1, BST_UVP_ERR),
1255	CS35L45_REG_IRQ(IRQ1_EINT_1, TEMP_ERR),
1256	CS35L45_REG_IRQ(IRQ1_EINT_3, AMP_CAL_ERR),
1257	CS35L45_REG_IRQ(IRQ1_EINT_18, UVLO_VDDLV_ERR),
1258	CS35L45_REG_IRQ(IRQ1_EINT_18, GLOBAL_ERROR),
1259	CS35L45_REG_IRQ(IRQ1_EINT_2, DSP_WDT_EXPIRE),
1260	CS35L45_REG_IRQ(IRQ1_EINT_3, PLL_UNLOCK_FLAG_RISE),
1261	CS35L45_REG_IRQ(IRQ1_EINT_3, PLL_LOCK_FLAG),
1262	CS35L45_REG_IRQ(IRQ1_EINT_2, DSP_VIRT2_MBOX),
1263};
1264
1265static const struct regmap_irq_chip cs35l45_regmap_irq_chip = {
1266	.name = "cs35l45 IRQ1 Controller",
1267	.main_status = CS35L45_IRQ1_STATUS,
1268	.status_base = CS35L45_IRQ1_EINT_1,
1269	.mask_base = CS35L45_IRQ1_MASK_1,
1270	.ack_base = CS35L45_IRQ1_EINT_1,
1271	.num_regs = 18,
1272	.irqs = cs35l45_reg_irqs,
1273	.num_irqs = ARRAY_SIZE(cs35l45_reg_irqs),
1274	.runtime_pm = true,
1275};
1276
1277static int cs35l45_initialize(struct cs35l45_private *cs35l45)
1278{
1279	struct device *dev = cs35l45->dev;
1280	unsigned int dev_id[5];
1281	unsigned int sts;
1282	int ret;
1283
1284	ret = regmap_read_poll_timeout(cs35l45->regmap, CS35L45_IRQ1_EINT_4, sts,
1285				       (sts & CS35L45_OTP_BOOT_DONE_STS_MASK),
1286				       1000, 5000);
1287	if (ret < 0) {
1288		dev_err(cs35l45->dev, "Timeout waiting for OTP boot\n");
1289		return ret;
1290	}
1291
1292	ret = regmap_bulk_read(cs35l45->regmap, CS35L45_DEVID, dev_id, ARRAY_SIZE(dev_id));
1293	if (ret) {
1294		dev_err(cs35l45->dev, "Get Device ID failed: %d\n", ret);
1295		return ret;
1296	}
1297
1298	switch (dev_id[0]) {
1299	case 0x35A450:
1300	case 0x35A460:
1301		break;
1302	default:
1303		dev_err(cs35l45->dev, "Bad DEVID 0x%x\n", dev_id[0]);
1304		return -ENODEV;
1305	}
1306
1307	dev_info(cs35l45->dev, "Cirrus Logic CS35L45: REVID %02X OTPID %02X\n",
1308		 dev_id[1], dev_id[4]);
1309
1310	regmap_write(cs35l45->regmap, CS35L45_IRQ1_EINT_4,
1311		     CS35L45_OTP_BOOT_DONE_STS_MASK | CS35L45_OTP_BUSY_MASK);
1312
1313	ret = cs35l45_apply_patch(cs35l45);
1314	if (ret < 0) {
1315		dev_err(dev, "Failed to apply init patch %d\n", ret);
1316		return ret;
1317	}
1318
1319	ret = cs35l45_apply_property_config(cs35l45);
1320	if (ret < 0)
1321		return ret;
1322
1323	cs35l45->amplifier_mode = AMP_MODE_SPK;
1324
1325	return 0;
1326}
1327
1328static const struct reg_sequence cs35l45_fs_errata_patch[] = {
1329	{0x02B80080,			0x00000001},
1330	{0x02B80088,			0x00000001},
1331	{0x02B80090,			0x00000001},
1332	{0x02B80098,			0x00000001},
1333	{0x02B800A0,			0x00000001},
1334	{0x02B800A8,			0x00000001},
1335	{0x02B800B0,			0x00000001},
1336	{0x02B800B8,			0x00000001},
1337	{0x02B80280,			0x00000001},
1338	{0x02B80288,			0x00000001},
1339	{0x02B80290,			0x00000001},
1340	{0x02B80298,			0x00000001},
1341	{0x02B802A0,			0x00000001},
1342	{0x02B802A8,			0x00000001},
1343	{0x02B802B0,			0x00000001},
1344	{0x02B802B8,			0x00000001},
1345};
1346
1347static const struct cs_dsp_region cs35l45_dsp1_regions[] = {
1348	{ .type = WMFW_HALO_PM_PACKED,	.base = CS35L45_DSP1_PMEM_0 },
1349	{ .type = WMFW_HALO_XM_PACKED,	.base = CS35L45_DSP1_XMEM_PACK_0 },
1350	{ .type = WMFW_HALO_YM_PACKED,	.base = CS35L45_DSP1_YMEM_PACK_0 },
1351	{. type = WMFW_ADSP2_XM,	.base = CS35L45_DSP1_XMEM_UNPACK24_0},
1352	{. type = WMFW_ADSP2_YM,	.base = CS35L45_DSP1_YMEM_UNPACK24_0},
1353};
1354
1355static int cs35l45_dsp_init(struct cs35l45_private *cs35l45)
1356{
1357	struct wm_adsp *dsp = &cs35l45->dsp;
1358	int ret;
1359
1360	dsp->part = "cs35l45";
1361	dsp->fw = 9; /* 9 is WM_ADSP_FW_SPK_PROT in wm_adsp.c */
1362	dsp->toggle_preload = true;
1363	dsp->cs_dsp.num = 1;
1364	dsp->cs_dsp.type = WMFW_HALO;
1365	dsp->cs_dsp.rev = 0;
1366	dsp->cs_dsp.dev = cs35l45->dev;
1367	dsp->cs_dsp.regmap = cs35l45->regmap;
1368	dsp->cs_dsp.base = CS35L45_DSP1_CLOCK_FREQ;
1369	dsp->cs_dsp.base_sysinfo = CS35L45_DSP1_SYS_ID;
1370	dsp->cs_dsp.mem = cs35l45_dsp1_regions;
1371	dsp->cs_dsp.num_mems = ARRAY_SIZE(cs35l45_dsp1_regions);
1372	dsp->cs_dsp.lock_regions = 0xFFFFFFFF;
1373
1374	ret = wm_halo_init(dsp);
1375
1376	regmap_multi_reg_write(cs35l45->regmap, cs35l45_fs_errata_patch,
1377						   ARRAY_SIZE(cs35l45_fs_errata_patch));
1378
1379	return ret;
1380}
1381
1382int cs35l45_probe(struct cs35l45_private *cs35l45)
1383{
1384	struct device *dev = cs35l45->dev;
1385	unsigned long irq_pol = IRQF_ONESHOT | IRQF_SHARED;
1386	int ret, i, irq;
1387
1388	cs35l45->vdd_batt = devm_regulator_get(dev, "vdd-batt");
1389	if (IS_ERR(cs35l45->vdd_batt))
1390		return dev_err_probe(dev, PTR_ERR(cs35l45->vdd_batt),
1391				     "Failed to request vdd-batt\n");
1392
1393	cs35l45->vdd_a = devm_regulator_get(dev, "vdd-a");
1394	if (IS_ERR(cs35l45->vdd_a))
1395		return dev_err_probe(dev, PTR_ERR(cs35l45->vdd_a),
1396				     "Failed to request vdd-a\n");
1397
1398	/* VDD_BATT must always be enabled before other supplies */
1399	ret = regulator_enable(cs35l45->vdd_batt);
1400	if (ret < 0)
1401		return dev_err_probe(dev, ret, "Failed to enable vdd-batt\n");
1402
1403	ret = regulator_enable(cs35l45->vdd_a);
1404	if (ret < 0)
1405		return dev_err_probe(dev, ret, "Failed to enable vdd-a\n");
1406
1407	/* If reset is shared only one instance can claim it */
1408	cs35l45->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
1409	if (IS_ERR(cs35l45->reset_gpio)) {
1410		ret = PTR_ERR(cs35l45->reset_gpio);
1411		cs35l45->reset_gpio = NULL;
1412		if (ret == -EBUSY) {
1413			dev_dbg(dev, "Reset line busy, assuming shared reset\n");
1414		} else {
1415			dev_err_probe(dev, ret, "Failed to get reset GPIO\n");
1416			goto err;
1417		}
1418	}
1419
1420	if (cs35l45->reset_gpio) {
1421		usleep_range(CS35L45_RESET_HOLD_US, CS35L45_RESET_HOLD_US + 100);
1422		gpiod_set_value_cansleep(cs35l45->reset_gpio, 1);
1423	}
1424
1425	usleep_range(CS35L45_RESET_US, CS35L45_RESET_US + 100);
1426
1427	ret = cs35l45_initialize(cs35l45);
1428	if (ret < 0)
1429		goto err_reset;
1430
1431	ret = cs35l45_dsp_init(cs35l45);
1432	if (ret < 0)
1433		goto err_reset;
1434
1435	pm_runtime_set_autosuspend_delay(cs35l45->dev, 3000);
1436	pm_runtime_use_autosuspend(cs35l45->dev);
1437	pm_runtime_mark_last_busy(cs35l45->dev);
1438	pm_runtime_set_active(cs35l45->dev);
1439	pm_runtime_get_noresume(cs35l45->dev);
1440	pm_runtime_enable(cs35l45->dev);
1441
1442	if (cs35l45->irq) {
1443		if (cs35l45->irq_invert)
1444			irq_pol |= IRQF_TRIGGER_HIGH;
1445		else
1446			irq_pol |= IRQF_TRIGGER_LOW;
1447
1448		ret = devm_regmap_add_irq_chip(dev, cs35l45->regmap, cs35l45->irq, irq_pol, 0,
1449					       &cs35l45_regmap_irq_chip, &cs35l45->irq_data);
1450		if (ret) {
1451			dev_err(dev, "Failed to register IRQ chip: %d\n", ret);
1452			goto err_dsp;
1453		}
1454
1455		for (i = 0; i < ARRAY_SIZE(cs35l45_irqs); i++) {
1456			irq = regmap_irq_get_virq(cs35l45->irq_data, cs35l45_irqs[i].irq);
1457			if (irq < 0) {
1458				dev_err(dev, "Failed to get %s\n", cs35l45_irqs[i].name);
1459				ret = irq;
1460				goto err_dsp;
1461			}
1462
1463			ret = devm_request_threaded_irq(dev, irq, NULL, cs35l45_irqs[i].handler,
1464							irq_pol, cs35l45_irqs[i].name, cs35l45);
1465			if (ret) {
1466				dev_err(dev, "Failed to request IRQ %s: %d\n",
1467					cs35l45_irqs[i].name, ret);
1468				goto err_dsp;
1469			}
1470		}
1471	}
1472
1473	ret = devm_snd_soc_register_component(dev, &cs35l45_component,
1474					      cs35l45_dai,
1475					      ARRAY_SIZE(cs35l45_dai));
1476	if (ret < 0)
1477		goto err_dsp;
1478
1479	pm_runtime_put_autosuspend(cs35l45->dev);
1480
1481	return 0;
1482
1483err_dsp:
1484	pm_runtime_disable(cs35l45->dev);
1485	pm_runtime_put_noidle(cs35l45->dev);
1486	wm_adsp2_remove(&cs35l45->dsp);
1487
1488err_reset:
1489	gpiod_set_value_cansleep(cs35l45->reset_gpio, 0);
1490err:
1491	regulator_disable(cs35l45->vdd_a);
1492	regulator_disable(cs35l45->vdd_batt);
1493
1494	return ret;
1495}
1496EXPORT_SYMBOL_NS_GPL(cs35l45_probe, SND_SOC_CS35L45);
1497
1498void cs35l45_remove(struct cs35l45_private *cs35l45)
1499{
1500	pm_runtime_get_sync(cs35l45->dev);
1501	pm_runtime_disable(cs35l45->dev);
1502	wm_adsp2_remove(&cs35l45->dsp);
1503
1504	gpiod_set_value_cansleep(cs35l45->reset_gpio, 0);
1505
1506	pm_runtime_put_noidle(cs35l45->dev);
1507	regulator_disable(cs35l45->vdd_a);
1508	/* VDD_BATT must be the last to power-off */
1509	regulator_disable(cs35l45->vdd_batt);
1510}
1511EXPORT_SYMBOL_NS_GPL(cs35l45_remove, SND_SOC_CS35L45);
1512
1513EXPORT_GPL_DEV_PM_OPS(cs35l45_pm_ops) = {
1514	RUNTIME_PM_OPS(cs35l45_runtime_suspend, cs35l45_runtime_resume, NULL)
1515
1516	SYSTEM_SLEEP_PM_OPS(cs35l45_sys_suspend, cs35l45_sys_resume)
1517	NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l45_sys_suspend_noirq, cs35l45_sys_resume_noirq)
1518};
1519
1520MODULE_DESCRIPTION("ASoC CS35L45 driver");
1521MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
1522MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
1523MODULE_LICENSE("GPL");
1524