1// SPDX-License-Identifier: GPL-2.0
2//
3// cs35l41.c -- CS35l41 ALSA SoC audio driver
4//
5// Copyright 2017-2021 Cirrus Logic, Inc.
6//
7// Author: David Rhodes <david.rhodes@cirrus.com>
8
9#include <linux/acpi.h>
10#include <linux/delay.h>
11#include <linux/err.h>
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/pm_runtime.h>
17#include <linux/property.h>
18#include <sound/initval.h>
19#include <sound/pcm.h>
20#include <sound/pcm_params.h>
21#include <sound/soc.h>
22#include <sound/soc-dapm.h>
23#include <sound/tlv.h>
24
25#include "cs35l41.h"
26
27static const char * const cs35l41_supplies[CS35L41_NUM_SUPPLIES] = {
28	"VA",
29	"VP",
30};
31
32struct cs35l41_pll_sysclk_config {
33	int freq;
34	int clk_cfg;
35};
36
37static const struct cs35l41_pll_sysclk_config cs35l41_pll_sysclk[] = {
38	{ 32768,	0x00 },
39	{ 8000,		0x01 },
40	{ 11025,	0x02 },
41	{ 12000,	0x03 },
42	{ 16000,	0x04 },
43	{ 22050,	0x05 },
44	{ 24000,	0x06 },
45	{ 32000,	0x07 },
46	{ 44100,	0x08 },
47	{ 48000,	0x09 },
48	{ 88200,	0x0A },
49	{ 96000,	0x0B },
50	{ 128000,	0x0C },
51	{ 176400,	0x0D },
52	{ 192000,	0x0E },
53	{ 256000,	0x0F },
54	{ 352800,	0x10 },
55	{ 384000,	0x11 },
56	{ 512000,	0x12 },
57	{ 705600,	0x13 },
58	{ 750000,	0x14 },
59	{ 768000,	0x15 },
60	{ 1000000,	0x16 },
61	{ 1024000,	0x17 },
62	{ 1200000,	0x18 },
63	{ 1411200,	0x19 },
64	{ 1500000,	0x1A },
65	{ 1536000,	0x1B },
66	{ 2000000,	0x1C },
67	{ 2048000,	0x1D },
68	{ 2400000,	0x1E },
69	{ 2822400,	0x1F },
70	{ 3000000,	0x20 },
71	{ 3072000,	0x21 },
72	{ 3200000,	0x22 },
73	{ 4000000,	0x23 },
74	{ 4096000,	0x24 },
75	{ 4800000,	0x25 },
76	{ 5644800,	0x26 },
77	{ 6000000,	0x27 },
78	{ 6144000,	0x28 },
79	{ 6250000,	0x29 },
80	{ 6400000,	0x2A },
81	{ 6500000,	0x2B },
82	{ 6750000,	0x2C },
83	{ 7526400,	0x2D },
84	{ 8000000,	0x2E },
85	{ 8192000,	0x2F },
86	{ 9600000,	0x30 },
87	{ 11289600,	0x31 },
88	{ 12000000,	0x32 },
89	{ 12288000,	0x33 },
90	{ 12500000,	0x34 },
91	{ 12800000,	0x35 },
92	{ 13000000,	0x36 },
93	{ 13500000,	0x37 },
94	{ 19200000,	0x38 },
95	{ 22579200,	0x39 },
96	{ 24000000,	0x3A },
97	{ 24576000,	0x3B },
98	{ 25000000,	0x3C },
99	{ 25600000,	0x3D },
100	{ 26000000,	0x3E },
101	{ 27000000,	0x3F },
102};
103
104struct cs35l41_fs_mon_config {
105	int freq;
106	unsigned int fs1;
107	unsigned int fs2;
108};
109
110static const struct cs35l41_fs_mon_config cs35l41_fs_mon[] = {
111	{ 32768,	2254,	3754 },
112	{ 8000,		9220,	15364 },
113	{ 11025,	6148,	10244 },
114	{ 12000,	6148,	10244 },
115	{ 16000,	4612,	7684 },
116	{ 22050,	3076,	5124 },
117	{ 24000,	3076,	5124 },
118	{ 32000,	2308,	3844 },
119	{ 44100,	1540,	2564 },
120	{ 48000,	1540,	2564 },
121	{ 88200,	772,	1284 },
122	{ 96000,	772,	1284 },
123	{ 128000,	580,	964 },
124	{ 176400,	388,	644 },
125	{ 192000,	388,	644 },
126	{ 256000,	292,	484 },
127	{ 352800,	196,	324 },
128	{ 384000,	196,	324 },
129	{ 512000,	148,	244 },
130	{ 705600,	100,	164 },
131	{ 750000,	100,	164 },
132	{ 768000,	100,	164 },
133	{ 1000000,	76,	124 },
134	{ 1024000,	76,	124 },
135	{ 1200000,	64,	104 },
136	{ 1411200,	52,	84 },
137	{ 1500000,	52,	84 },
138	{ 1536000,	52,	84 },
139	{ 2000000,	40,	64 },
140	{ 2048000,	40,	64 },
141	{ 2400000,	34,	54 },
142	{ 2822400,	28,	44 },
143	{ 3000000,	28,	44 },
144	{ 3072000,	28,	44 },
145	{ 3200000,	27,	42 },
146	{ 4000000,	22,	34 },
147	{ 4096000,	22,	34 },
148	{ 4800000,	19,	29 },
149	{ 5644800,	16,	24 },
150	{ 6000000,	16,	24 },
151	{ 6144000,	16,	24 },
152	{ 12288000,	0,	0 },
153};
154
155static int cs35l41_get_fs_mon_config_index(int freq)
156{
157	int i;
158
159	for (i = 0; i < ARRAY_SIZE(cs35l41_fs_mon); i++) {
160		if (cs35l41_fs_mon[i].freq == freq)
161			return i;
162	}
163
164	return -EINVAL;
165}
166
167static const DECLARE_TLV_DB_RANGE(dig_vol_tlv,
168		0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
169		1, 913, TLV_DB_MINMAX_ITEM(-10200, 1200));
170static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 50, 100, 0);
171
172static const struct snd_kcontrol_new dre_ctrl =
173	SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0);
174
175static const char * const cs35l41_pcm_sftramp_text[] =  {
176	"Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"
177};
178
179static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp,
180			    CS35L41_AMP_DIG_VOL_CTRL, 0,
181			    cs35l41_pcm_sftramp_text);
182
183static int cs35l41_dsp_preload_ev(struct snd_soc_dapm_widget *w,
184				  struct snd_kcontrol *kcontrol, int event)
185{
186	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
187	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
188	int ret;
189
190	switch (event) {
191	case SND_SOC_DAPM_PRE_PMU:
192		if (cs35l41->dsp.cs_dsp.booted)
193			return 0;
194
195		return wm_adsp_early_event(w, kcontrol, event);
196	case SND_SOC_DAPM_PRE_PMD:
197		if (cs35l41->dsp.preloaded)
198			return 0;
199
200		if (cs35l41->dsp.cs_dsp.running) {
201			ret = wm_adsp_event(w, kcontrol, event);
202			if (ret)
203				return ret;
204		}
205
206		return wm_adsp_early_event(w, kcontrol, event);
207	default:
208		return 0;
209	}
210}
211
212static int cs35l41_dsp_audio_ev(struct snd_soc_dapm_widget *w,
213				struct snd_kcontrol *kcontrol, int event)
214{
215	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
216	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
217	unsigned int fw_status;
218	int ret;
219
220	switch (event) {
221	case SND_SOC_DAPM_POST_PMU:
222		if (!cs35l41->dsp.cs_dsp.running)
223			return wm_adsp_event(w, kcontrol, event);
224
225		ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &fw_status);
226		if (ret < 0) {
227			dev_err(cs35l41->dev,
228				"Failed to read firmware status: %d\n", ret);
229			return ret;
230		}
231
232		switch (fw_status) {
233		case CSPL_MBOX_STS_RUNNING:
234		case CSPL_MBOX_STS_PAUSED:
235			break;
236		default:
237			dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
238				fw_status);
239			return -EINVAL;
240		}
241
242		return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
243						 CSPL_MBOX_CMD_RESUME);
244	case SND_SOC_DAPM_PRE_PMD:
245		return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
246						 CSPL_MBOX_CMD_PAUSE);
247	default:
248		return 0;
249	}
250}
251
252static const char * const cs35l41_pcm_source_texts[] = {"ASP", "DSP"};
253static const unsigned int cs35l41_pcm_source_values[] = {0x08, 0x32};
254static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_pcm_source_enum,
255				  CS35L41_DAC_PCM1_SRC,
256				  0, CS35L41_ASP_SOURCE_MASK,
257				  cs35l41_pcm_source_texts,
258				  cs35l41_pcm_source_values);
259
260static const struct snd_kcontrol_new pcm_source_mux =
261	SOC_DAPM_ENUM("PCM Source", cs35l41_pcm_source_enum);
262
263static const char * const cs35l41_tx_input_texts[] = {
264	"Zero", "ASPRX1", "ASPRX2", "VMON", "IMON",
265	"VPMON", "VBSTMON", "DSPTX1", "DSPTX2"
266};
267
268static const unsigned int cs35l41_tx_input_values[] = {
269	0x00, CS35L41_INPUT_SRC_ASPRX1, CS35L41_INPUT_SRC_ASPRX2,
270	CS35L41_INPUT_SRC_VMON, CS35L41_INPUT_SRC_IMON, CS35L41_INPUT_SRC_VPMON,
271	CS35L41_INPUT_SRC_VBSTMON, CS35L41_INPUT_DSP_TX1, CS35L41_INPUT_DSP_TX2
272};
273
274static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx1_enum,
275				  CS35L41_ASP_TX1_SRC,
276				  0, CS35L41_ASP_SOURCE_MASK,
277				  cs35l41_tx_input_texts,
278				  cs35l41_tx_input_values);
279
280static const struct snd_kcontrol_new asp_tx1_mux =
281	SOC_DAPM_ENUM("ASPTX1 SRC", cs35l41_asptx1_enum);
282
283static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx2_enum,
284				  CS35L41_ASP_TX2_SRC,
285				  0, CS35L41_ASP_SOURCE_MASK,
286				  cs35l41_tx_input_texts,
287				  cs35l41_tx_input_values);
288
289static const struct snd_kcontrol_new asp_tx2_mux =
290	SOC_DAPM_ENUM("ASPTX2 SRC", cs35l41_asptx2_enum);
291
292static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx3_enum,
293				  CS35L41_ASP_TX3_SRC,
294				  0, CS35L41_ASP_SOURCE_MASK,
295				  cs35l41_tx_input_texts,
296				  cs35l41_tx_input_values);
297
298static const struct snd_kcontrol_new asp_tx3_mux =
299	SOC_DAPM_ENUM("ASPTX3 SRC", cs35l41_asptx3_enum);
300
301static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx4_enum,
302				  CS35L41_ASP_TX4_SRC,
303				  0, CS35L41_ASP_SOURCE_MASK,
304				  cs35l41_tx_input_texts,
305				  cs35l41_tx_input_values);
306
307static const struct snd_kcontrol_new asp_tx4_mux =
308	SOC_DAPM_ENUM("ASPTX4 SRC", cs35l41_asptx4_enum);
309
310static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx1_enum,
311				  CS35L41_DSP1_RX1_SRC,
312				  0, CS35L41_ASP_SOURCE_MASK,
313				  cs35l41_tx_input_texts,
314				  cs35l41_tx_input_values);
315
316static const struct snd_kcontrol_new dsp_rx1_mux =
317	SOC_DAPM_ENUM("DSPRX1 SRC", cs35l41_dsprx1_enum);
318
319static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx2_enum,
320				  CS35L41_DSP1_RX2_SRC,
321				  0, CS35L41_ASP_SOURCE_MASK,
322				  cs35l41_tx_input_texts,
323				  cs35l41_tx_input_values);
324
325static const struct snd_kcontrol_new dsp_rx2_mux =
326	SOC_DAPM_ENUM("DSPRX2 SRC", cs35l41_dsprx2_enum);
327
328static const struct snd_kcontrol_new cs35l41_aud_controls[] = {
329	SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L41_AMP_DIG_VOL_CTRL,
330			  3, 0x4CF, 0x391, dig_vol_tlv),
331	SOC_SINGLE_TLV("Analog PCM Volume", CS35L41_AMP_GAIN_CTRL, 5, 0x14, 0,
332		       amp_gain_tlv),
333	SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
334	SOC_SINGLE("HW Noise Gate Enable", CS35L41_NG_CFG, 8, 63, 0),
335	SOC_SINGLE("HW Noise Gate Delay", CS35L41_NG_CFG, 4, 7, 0),
336	SOC_SINGLE("HW Noise Gate Threshold", CS35L41_NG_CFG, 0, 7, 0),
337	SOC_SINGLE("Aux Noise Gate CH1 Switch",
338		   CS35L41_MIXER_NGATE_CH1_CFG, 16, 1, 0),
339	SOC_SINGLE("Aux Noise Gate CH1 Entry Delay",
340		   CS35L41_MIXER_NGATE_CH1_CFG, 8, 15, 0),
341	SOC_SINGLE("Aux Noise Gate CH1 Threshold",
342		   CS35L41_MIXER_NGATE_CH1_CFG, 0, 7, 0),
343	SOC_SINGLE("Aux Noise Gate CH2 Entry Delay",
344		   CS35L41_MIXER_NGATE_CH2_CFG, 8, 15, 0),
345	SOC_SINGLE("Aux Noise Gate CH2 Switch",
346		   CS35L41_MIXER_NGATE_CH2_CFG, 16, 1, 0),
347	SOC_SINGLE("Aux Noise Gate CH2 Threshold",
348		   CS35L41_MIXER_NGATE_CH2_CFG, 0, 7, 0),
349	SOC_SINGLE("SCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_SCLK_FRC_SHIFT, 1, 0),
350	SOC_SINGLE("LRCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_LRCLK_FRC_SHIFT, 1, 0),
351	SOC_SINGLE("Invert Class D Switch", CS35L41_AMP_DIG_VOL_CTRL,
352		   CS35L41_AMP_INV_PCM_SHIFT, 1, 0),
353	SOC_SINGLE("Amp Gain ZC Switch", CS35L41_AMP_GAIN_CTRL,
354		   CS35L41_AMP_GAIN_ZC_SHIFT, 1, 0),
355	WM_ADSP2_PRELOAD_SWITCH("DSP1", 1),
356	WM_ADSP_FW_CONTROL("DSP1", 0),
357};
358
359static void cs35l41_boost_enable(struct cs35l41_private *cs35l41, unsigned int enable)
360{
361	switch (cs35l41->hw_cfg.bst_type) {
362	case CS35L41_INT_BOOST:
363	case CS35L41_SHD_BOOST_ACTV:
364		enable = enable ? CS35L41_BST_EN_DEFAULT : CS35L41_BST_DIS_FET_OFF;
365		regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, CS35L41_BST_EN_MASK,
366				enable << CS35L41_BST_EN_SHIFT);
367		break;
368	default:
369		break;
370	}
371}
372
373
374static void cs35l41_error_release(struct cs35l41_private *cs35l41, unsigned int irq_err_bit,
375				  unsigned int rel_err_bit)
376{
377	regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1, irq_err_bit);
378	regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
379	regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, rel_err_bit, rel_err_bit);
380	regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, rel_err_bit, 0);
381}
382
383static irqreturn_t cs35l41_irq(int irq, void *data)
384{
385	struct cs35l41_private *cs35l41 = data;
386	unsigned int status[4] = { 0, 0, 0, 0 };
387	unsigned int masks[4] = { 0, 0, 0, 0 };
388	unsigned int i;
389	int ret;
390
391	ret = pm_runtime_resume_and_get(cs35l41->dev);
392	if (ret < 0) {
393		dev_err(cs35l41->dev,
394			"pm_runtime_resume_and_get failed in %s: %d\n",
395			__func__, ret);
396		return IRQ_NONE;
397	}
398
399	ret = IRQ_NONE;
400
401	for (i = 0; i < ARRAY_SIZE(status); i++) {
402		regmap_read(cs35l41->regmap,
403			    CS35L41_IRQ1_STATUS1 + (i * CS35L41_REGSTRIDE),
404			    &status[i]);
405		regmap_read(cs35l41->regmap,
406			    CS35L41_IRQ1_MASK1 + (i * CS35L41_REGSTRIDE),
407			    &masks[i]);
408	}
409
410	/* Check to see if unmasked bits are active */
411	if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
412	    !(status[2] & ~masks[2]) && !(status[3] & ~masks[3]))
413		goto done;
414
415	if (status[3] & CS35L41_OTP_BOOT_DONE) {
416		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK4,
417				   CS35L41_OTP_BOOT_DONE, CS35L41_OTP_BOOT_DONE);
418	}
419
420	/*
421	 * The following interrupts require a
422	 * protection release cycle to get the
423	 * speaker out of Safe-Mode.
424	 */
425	if (status[0] & CS35L41_AMP_SHORT_ERR) {
426		dev_crit_ratelimited(cs35l41->dev, "Amp short error\n");
427		cs35l41_error_release(cs35l41, CS35L41_AMP_SHORT_ERR, CS35L41_AMP_SHORT_ERR_RLS);
428		ret = IRQ_HANDLED;
429	}
430
431	if (status[0] & CS35L41_TEMP_WARN) {
432		dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n");
433		cs35l41_error_release(cs35l41, CS35L41_TEMP_WARN, CS35L41_TEMP_WARN_ERR_RLS);
434		ret = IRQ_HANDLED;
435	}
436
437	if (status[0] & CS35L41_TEMP_ERR) {
438		dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n");
439		cs35l41_error_release(cs35l41, CS35L41_TEMP_ERR, CS35L41_TEMP_ERR_RLS);
440		ret = IRQ_HANDLED;
441	}
442
443	if (status[0] & CS35L41_BST_OVP_ERR) {
444		dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n");
445		cs35l41_boost_enable(cs35l41, 0);
446		cs35l41_error_release(cs35l41, CS35L41_BST_OVP_ERR, CS35L41_BST_OVP_ERR_RLS);
447		cs35l41_boost_enable(cs35l41, 1);
448		ret = IRQ_HANDLED;
449	}
450
451	if (status[0] & CS35L41_BST_DCM_UVP_ERR) {
452		dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n");
453		cs35l41_boost_enable(cs35l41, 0);
454		cs35l41_error_release(cs35l41, CS35L41_BST_DCM_UVP_ERR, CS35L41_BST_UVP_ERR_RLS);
455		cs35l41_boost_enable(cs35l41, 1);
456		ret = IRQ_HANDLED;
457	}
458
459	if (status[0] & CS35L41_BST_SHORT_ERR) {
460		dev_crit_ratelimited(cs35l41->dev, "LBST error: powering off!\n");
461		cs35l41_boost_enable(cs35l41, 0);
462		cs35l41_error_release(cs35l41, CS35L41_BST_SHORT_ERR, CS35L41_BST_SHORT_ERR_RLS);
463		cs35l41_boost_enable(cs35l41, 1);
464		ret = IRQ_HANDLED;
465	}
466
467	if (status[2] & CS35L41_PLL_LOCK) {
468		regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS3, CS35L41_PLL_LOCK);
469
470		if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV ||
471		    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS) {
472			ret = cs35l41_mdsync_up(cs35l41->regmap);
473			if (ret)
474				dev_err(cs35l41->dev, "MDSYNC-up failed: %d\n", ret);
475			else
476				dev_dbg(cs35l41->dev, "MDSYNC-up done\n");
477
478			dev_dbg(cs35l41->dev, "PUP-done status: %d\n",
479				!!(status[0] & CS35L41_PUP_DONE_MASK));
480		}
481
482		ret = IRQ_HANDLED;
483	}
484
485done:
486	pm_runtime_mark_last_busy(cs35l41->dev);
487	pm_runtime_put_autosuspend(cs35l41->dev);
488
489	return ret;
490}
491
492static const struct reg_sequence cs35l41_pup_patch[] = {
493	{ CS35L41_TEST_KEY_CTL, 0x00000055 },
494	{ CS35L41_TEST_KEY_CTL, 0x000000AA },
495	{ 0x00002084, 0x002F1AA0 },
496	{ CS35L41_TEST_KEY_CTL, 0x000000CC },
497	{ CS35L41_TEST_KEY_CTL, 0x00000033 },
498};
499
500static const struct reg_sequence cs35l41_pdn_patch[] = {
501	{ CS35L41_TEST_KEY_CTL, 0x00000055 },
502	{ CS35L41_TEST_KEY_CTL, 0x000000AA },
503	{ 0x00002084, 0x002F1AA3 },
504	{ CS35L41_TEST_KEY_CTL, 0x000000CC },
505	{ CS35L41_TEST_KEY_CTL, 0x00000033 },
506};
507
508static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w,
509				  struct snd_kcontrol *kcontrol, int event)
510{
511	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
512	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
513	int ret = 0;
514
515	switch (event) {
516	case SND_SOC_DAPM_PRE_PMU:
517		regmap_multi_reg_write_bypassed(cs35l41->regmap,
518						cs35l41_pup_patch,
519						ARRAY_SIZE(cs35l41_pup_patch));
520
521		ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type,
522					    1, &cs35l41->dsp.cs_dsp);
523		break;
524	case SND_SOC_DAPM_POST_PMD:
525		ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type,
526					    0, &cs35l41->dsp.cs_dsp);
527
528		regmap_multi_reg_write_bypassed(cs35l41->regmap,
529						cs35l41_pdn_patch,
530						ARRAY_SIZE(cs35l41_pdn_patch));
531		break;
532	default:
533		dev_err(cs35l41->dev, "Invalid event = 0x%x\n", event);
534		ret = -EINVAL;
535	}
536
537	return ret;
538}
539
540static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
541	SND_SOC_DAPM_SPK("DSP1 Preload", NULL),
542	SND_SOC_DAPM_SUPPLY_S("DSP1 Preloader", 100, SND_SOC_NOPM, 0, 0,
543			      cs35l41_dsp_preload_ev,
544			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
545	SND_SOC_DAPM_OUT_DRV_E("DSP1", SND_SOC_NOPM, 0, 0, NULL, 0,
546			       cs35l41_dsp_audio_ev,
547			       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
548
549	SND_SOC_DAPM_OUTPUT("SPK"),
550
551	SND_SOC_DAPM_AIF_IN("ASPRX1", NULL, 0, CS35L41_SP_ENABLES, 16, 0),
552	SND_SOC_DAPM_AIF_IN("ASPRX2", NULL, 0, CS35L41_SP_ENABLES, 17, 0),
553	SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L41_SP_ENABLES, 0, 0),
554	SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 0, CS35L41_SP_ENABLES, 1, 0),
555	SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 0, CS35L41_SP_ENABLES, 2, 0),
556	SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 0, CS35L41_SP_ENABLES, 3, 0),
557
558	SND_SOC_DAPM_SIGGEN("VSENSE"),
559	SND_SOC_DAPM_SIGGEN("ISENSE"),
560	SND_SOC_DAPM_SIGGEN("VP"),
561	SND_SOC_DAPM_SIGGEN("VBST"),
562	SND_SOC_DAPM_SIGGEN("TEMP"),
563
564	SND_SOC_DAPM_SUPPLY("VMON", CS35L41_PWR_CTRL2, 12, 0, NULL, 0),
565	SND_SOC_DAPM_SUPPLY("IMON", CS35L41_PWR_CTRL2, 13, 0, NULL, 0),
566	SND_SOC_DAPM_SUPPLY("VPMON", CS35L41_PWR_CTRL2, 8, 0, NULL, 0),
567	SND_SOC_DAPM_SUPPLY("VBSTMON", CS35L41_PWR_CTRL2, 9, 0, NULL, 0),
568	SND_SOC_DAPM_SUPPLY("TEMPMON", CS35L41_PWR_CTRL2, 10, 0, NULL, 0),
569
570	SND_SOC_DAPM_ADC("VMON ADC", NULL, SND_SOC_NOPM, 0, 0),
571	SND_SOC_DAPM_ADC("IMON ADC", NULL, SND_SOC_NOPM, 0, 0),
572	SND_SOC_DAPM_ADC("VPMON ADC", NULL, SND_SOC_NOPM, 0, 0),
573	SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, SND_SOC_NOPM, 0, 0),
574	SND_SOC_DAPM_ADC("TEMPMON ADC", NULL, SND_SOC_NOPM, 0, 0),
575
576	SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L41_PWR_CTRL3, 4, 0),
577
578	SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L41_PWR_CTRL2, 0, 0, NULL, 0,
579			       cs35l41_main_amp_event,
580			       SND_SOC_DAPM_POST_PMD |	SND_SOC_DAPM_PRE_PMU),
581
582	SND_SOC_DAPM_MUX("ASP TX1 Source", SND_SOC_NOPM, 0, 0, &asp_tx1_mux),
583	SND_SOC_DAPM_MUX("ASP TX2 Source", SND_SOC_NOPM, 0, 0, &asp_tx2_mux),
584	SND_SOC_DAPM_MUX("ASP TX3 Source", SND_SOC_NOPM, 0, 0, &asp_tx3_mux),
585	SND_SOC_DAPM_MUX("ASP TX4 Source", SND_SOC_NOPM, 0, 0, &asp_tx4_mux),
586	SND_SOC_DAPM_MUX("DSP RX1 Source", SND_SOC_NOPM, 0, 0, &dsp_rx1_mux),
587	SND_SOC_DAPM_MUX("DSP RX2 Source", SND_SOC_NOPM, 0, 0, &dsp_rx2_mux),
588	SND_SOC_DAPM_MUX("PCM Source", SND_SOC_NOPM, 0, 0, &pcm_source_mux),
589	SND_SOC_DAPM_SWITCH("DRE", SND_SOC_NOPM, 0, 0, &dre_ctrl),
590};
591
592static const struct snd_soc_dapm_route cs35l41_audio_map[] = {
593	{"DSP RX1 Source", "ASPRX1", "ASPRX1"},
594	{"DSP RX1 Source", "ASPRX2", "ASPRX2"},
595	{"DSP RX2 Source", "ASPRX1", "ASPRX1"},
596	{"DSP RX2 Source", "ASPRX2", "ASPRX2"},
597
598	{"DSP1", NULL, "DSP RX1 Source"},
599	{"DSP1", NULL, "DSP RX2 Source"},
600
601	{"ASP TX1 Source", "VMON", "VMON ADC"},
602	{"ASP TX1 Source", "IMON", "IMON ADC"},
603	{"ASP TX1 Source", "VPMON", "VPMON ADC"},
604	{"ASP TX1 Source", "VBSTMON", "VBSTMON ADC"},
605	{"ASP TX1 Source", "DSPTX1", "DSP1"},
606	{"ASP TX1 Source", "DSPTX2", "DSP1"},
607	{"ASP TX1 Source", "ASPRX1", "ASPRX1" },
608	{"ASP TX1 Source", "ASPRX2", "ASPRX2" },
609	{"ASP TX2 Source", "VMON", "VMON ADC"},
610	{"ASP TX2 Source", "IMON", "IMON ADC"},
611	{"ASP TX2 Source", "VPMON", "VPMON ADC"},
612	{"ASP TX2 Source", "VBSTMON", "VBSTMON ADC"},
613	{"ASP TX2 Source", "DSPTX1", "DSP1"},
614	{"ASP TX2 Source", "DSPTX2", "DSP1"},
615	{"ASP TX2 Source", "ASPRX1", "ASPRX1" },
616	{"ASP TX2 Source", "ASPRX2", "ASPRX2" },
617	{"ASP TX3 Source", "VMON", "VMON ADC"},
618	{"ASP TX3 Source", "IMON", "IMON ADC"},
619	{"ASP TX3 Source", "VPMON", "VPMON ADC"},
620	{"ASP TX3 Source", "VBSTMON", "VBSTMON ADC"},
621	{"ASP TX3 Source", "DSPTX1", "DSP1"},
622	{"ASP TX3 Source", "DSPTX2", "DSP1"},
623	{"ASP TX3 Source", "ASPRX1", "ASPRX1" },
624	{"ASP TX3 Source", "ASPRX2", "ASPRX2" },
625	{"ASP TX4 Source", "VMON", "VMON ADC"},
626	{"ASP TX4 Source", "IMON", "IMON ADC"},
627	{"ASP TX4 Source", "VPMON", "VPMON ADC"},
628	{"ASP TX4 Source", "VBSTMON", "VBSTMON ADC"},
629	{"ASP TX4 Source", "DSPTX1", "DSP1"},
630	{"ASP TX4 Source", "DSPTX2", "DSP1"},
631	{"ASP TX4 Source", "ASPRX1", "ASPRX1" },
632	{"ASP TX4 Source", "ASPRX2", "ASPRX2" },
633	{"ASPTX1", NULL, "ASP TX1 Source"},
634	{"ASPTX2", NULL, "ASP TX2 Source"},
635	{"ASPTX3", NULL, "ASP TX3 Source"},
636	{"ASPTX4", NULL, "ASP TX4 Source"},
637	{"AMP Capture", NULL, "ASPTX1"},
638	{"AMP Capture", NULL, "ASPTX2"},
639	{"AMP Capture", NULL, "ASPTX3"},
640	{"AMP Capture", NULL, "ASPTX4"},
641
642	{"DSP1", NULL, "VMON"},
643	{"DSP1", NULL, "IMON"},
644	{"DSP1", NULL, "VPMON"},
645	{"DSP1", NULL, "VBSTMON"},
646	{"DSP1", NULL, "TEMPMON"},
647
648	{"VMON ADC", NULL, "VMON"},
649	{"IMON ADC", NULL, "IMON"},
650	{"VPMON ADC", NULL, "VPMON"},
651	{"VBSTMON ADC", NULL, "VBSTMON"},
652	{"TEMPMON ADC", NULL, "TEMPMON"},
653
654	{"VMON ADC", NULL, "VSENSE"},
655	{"IMON ADC", NULL, "ISENSE"},
656	{"VPMON ADC", NULL, "VP"},
657	{"VBSTMON ADC", NULL, "VBST"},
658	{"TEMPMON ADC", NULL, "TEMP"},
659
660	{"DSP1 Preload", NULL, "DSP1 Preloader"},
661	{"DSP1", NULL, "DSP1 Preloader"},
662
663	{"ASPRX1", NULL, "AMP Playback"},
664	{"ASPRX2", NULL, "AMP Playback"},
665	{"DRE", "Switch", "CLASS H"},
666	{"Main AMP", NULL, "CLASS H"},
667	{"Main AMP", NULL, "DRE"},
668	{"SPK", NULL, "Main AMP"},
669
670	{"PCM Source", "ASP", "ASPRX1"},
671	{"PCM Source", "DSP", "DSP1"},
672	{"CLASS H", NULL, "PCM Source"},
673};
674
675static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_n,
676				   unsigned int *tx_slot, unsigned int rx_n, unsigned int *rx_slot)
677{
678	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
679
680	return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_n, tx_slot, rx_n, rx_slot);
681}
682
683static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
684{
685	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
686	unsigned int daifmt = 0;
687
688	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
689	case SND_SOC_DAIFMT_CBP_CFP:
690		daifmt |= CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK;
691		break;
692	case SND_SOC_DAIFMT_CBC_CFC:
693		break;
694	default:
695		dev_warn(cs35l41->dev, "Mixed provider/consumer mode unsupported\n");
696		return -EINVAL;
697	}
698
699	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
700	case SND_SOC_DAIFMT_DSP_A:
701		break;
702	case SND_SOC_DAIFMT_I2S:
703		daifmt |= 2 << CS35L41_ASP_FMT_SHIFT;
704		break;
705	default:
706		dev_warn(cs35l41->dev, "Invalid or unsupported DAI format\n");
707		return -EINVAL;
708	}
709
710	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
711	case SND_SOC_DAIFMT_NB_IF:
712		daifmt |= CS35L41_LRCLK_INV_MASK;
713		break;
714	case SND_SOC_DAIFMT_IB_NF:
715		daifmt |= CS35L41_SCLK_INV_MASK;
716		break;
717	case SND_SOC_DAIFMT_IB_IF:
718		daifmt |= CS35L41_LRCLK_INV_MASK | CS35L41_SCLK_INV_MASK;
719		break;
720	case SND_SOC_DAIFMT_NB_NF:
721		break;
722	default:
723		dev_warn(cs35l41->dev, "Invalid DAI clock INV\n");
724		return -EINVAL;
725	}
726
727	return regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
728				  CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK |
729				  CS35L41_ASP_FMT_MASK | CS35L41_LRCLK_INV_MASK |
730				  CS35L41_SCLK_INV_MASK, daifmt);
731}
732
733struct cs35l41_global_fs_config {
734	int rate;
735	int fs_cfg;
736};
737
738static const struct cs35l41_global_fs_config cs35l41_fs_rates[] = {
739	{ 12000,	0x01 },
740	{ 24000,	0x02 },
741	{ 48000,	0x03 },
742	{ 96000,	0x04 },
743	{ 192000,	0x05 },
744	{ 11025,	0x09 },
745	{ 22050,	0x0A },
746	{ 44100,	0x0B },
747	{ 88200,	0x0C },
748	{ 176400,	0x0D },
749	{ 8000,		0x11 },
750	{ 16000,	0x12 },
751	{ 32000,	0x13 },
752};
753
754static int cs35l41_pcm_hw_params(struct snd_pcm_substream *substream,
755				 struct snd_pcm_hw_params *params,
756				 struct snd_soc_dai *dai)
757{
758	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
759	unsigned int rate = params_rate(params);
760	u8 asp_wl;
761	int i;
762
763	for (i = 0; i < ARRAY_SIZE(cs35l41_fs_rates); i++) {
764		if (rate == cs35l41_fs_rates[i].rate)
765			break;
766	}
767
768	if (i >= ARRAY_SIZE(cs35l41_fs_rates)) {
769		dev_err(cs35l41->dev, "Unsupported rate: %u\n", rate);
770		return -EINVAL;
771	}
772
773	asp_wl = params_width(params);
774
775	if (i < ARRAY_SIZE(cs35l41_fs_rates))
776		regmap_update_bits(cs35l41->regmap, CS35L41_GLOBAL_CLK_CTRL,
777				   CS35L41_GLOBAL_FS_MASK,
778				   cs35l41_fs_rates[i].fs_cfg << CS35L41_GLOBAL_FS_SHIFT);
779
780	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
781		regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
782				   CS35L41_ASP_WIDTH_RX_MASK,
783				   asp_wl << CS35L41_ASP_WIDTH_RX_SHIFT);
784		regmap_update_bits(cs35l41->regmap, CS35L41_SP_RX_WL,
785				   CS35L41_ASP_RX_WL_MASK,
786				   asp_wl << CS35L41_ASP_RX_WL_SHIFT);
787	} else {
788		regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
789				   CS35L41_ASP_WIDTH_TX_MASK,
790				   asp_wl << CS35L41_ASP_WIDTH_TX_SHIFT);
791		regmap_update_bits(cs35l41->regmap, CS35L41_SP_TX_WL,
792				   CS35L41_ASP_TX_WL_MASK,
793				   asp_wl << CS35L41_ASP_TX_WL_SHIFT);
794	}
795
796	return 0;
797}
798
799static int cs35l41_get_clk_config(int freq)
800{
801	int i;
802
803	for (i = 0; i < ARRAY_SIZE(cs35l41_pll_sysclk); i++) {
804		if (cs35l41_pll_sysclk[i].freq == freq)
805			return cs35l41_pll_sysclk[i].clk_cfg;
806	}
807
808	return -EINVAL;
809}
810
811static const unsigned int cs35l41_src_rates[] = {
812	8000, 12000, 11025, 16000, 22050, 24000, 32000,
813	44100, 48000, 88200, 96000, 176400, 192000
814};
815
816static const struct snd_pcm_hw_constraint_list cs35l41_constraints = {
817	.count = ARRAY_SIZE(cs35l41_src_rates),
818	.list = cs35l41_src_rates,
819};
820
821static int cs35l41_pcm_startup(struct snd_pcm_substream *substream,
822			       struct snd_soc_dai *dai)
823{
824	if (substream->runtime)
825		return snd_pcm_hw_constraint_list(substream->runtime, 0,
826						  SNDRV_PCM_HW_PARAM_RATE,
827						  &cs35l41_constraints);
828	return 0;
829}
830
831static int cs35l41_component_set_sysclk(struct snd_soc_component *component,
832					int clk_id, int source,
833					unsigned int freq, int dir)
834{
835	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
836	int extclk_cfg, clksrc;
837
838	switch (clk_id) {
839	case CS35L41_CLKID_SCLK:
840		clksrc = CS35L41_PLLSRC_SCLK;
841		break;
842	case CS35L41_CLKID_LRCLK:
843		clksrc = CS35L41_PLLSRC_LRCLK;
844		break;
845	case CS35L41_CLKID_MCLK:
846		clksrc = CS35L41_PLLSRC_MCLK;
847		break;
848	default:
849		dev_err(cs35l41->dev, "Invalid CLK Config\n");
850		return -EINVAL;
851	}
852
853	extclk_cfg = cs35l41_get_clk_config(freq);
854
855	if (extclk_cfg < 0) {
856		dev_err(cs35l41->dev, "Invalid CLK Config: %d, freq: %u\n",
857			extclk_cfg, freq);
858		return -EINVAL;
859	}
860
861	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
862			   CS35L41_PLL_OPENLOOP_MASK,
863			   1 << CS35L41_PLL_OPENLOOP_SHIFT);
864	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
865			   CS35L41_REFCLK_FREQ_MASK,
866			   extclk_cfg << CS35L41_REFCLK_FREQ_SHIFT);
867	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
868			   CS35L41_PLL_CLK_EN_MASK,
869			   0 << CS35L41_PLL_CLK_EN_SHIFT);
870	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
871			   CS35L41_PLL_CLK_SEL_MASK, clksrc);
872	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
873			   CS35L41_PLL_OPENLOOP_MASK,
874			   0 << CS35L41_PLL_OPENLOOP_SHIFT);
875	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
876			   CS35L41_PLL_CLK_EN_MASK,
877			   1 << CS35L41_PLL_CLK_EN_SHIFT);
878
879	return 0;
880}
881
882static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
883				  int clk_id, unsigned int freq, int dir)
884{
885	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
886	unsigned int fs1_val;
887	unsigned int fs2_val;
888	unsigned int val;
889	int fsindex;
890
891	fsindex = cs35l41_get_fs_mon_config_index(freq);
892	if (fsindex < 0) {
893		dev_err(cs35l41->dev, "Invalid CLK Config freq: %u\n", freq);
894		return -EINVAL;
895	}
896
897	dev_dbg(cs35l41->dev, "Set DAI sysclk %d\n", freq);
898
899	if (freq <= 6144000) {
900		/* Use the lookup table */
901		fs1_val = cs35l41_fs_mon[fsindex].fs1;
902		fs2_val = cs35l41_fs_mon[fsindex].fs2;
903	} else {
904		/* Use hard-coded values */
905		fs1_val = 0x10;
906		fs2_val = 0x24;
907	}
908
909	val = fs1_val;
910	val |= (fs2_val << CS35L41_FS2_WINDOW_SHIFT) & CS35L41_FS2_WINDOW_MASK;
911	regmap_write(cs35l41->regmap, CS35L41_TST_FS_MON0, val);
912
913	return 0;
914}
915
916static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
917{
918	struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
919	int ret;
920
921	if (!hw_cfg->valid)
922		return -EINVAL;
923
924	if (hw_cfg->bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
925		return -EINVAL;
926
927	/* Required */
928	ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg);
929	if (ret)
930		return ret;
931
932	/* Optional */
933	if (hw_cfg->dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK && hw_cfg->dout_hiz >= 0)
934		regmap_update_bits(cs35l41->regmap, CS35L41_SP_HIZ_CTRL, CS35L41_ASP_DOUT_HIZ_MASK,
935				   hw_cfg->dout_hiz);
936
937	return 0;
938}
939
940static const struct snd_soc_dapm_route cs35l41_ext_bst_routes[] = {
941	{"Main AMP", NULL, "VSPK"},
942};
943
944static const struct snd_soc_dapm_widget cs35l41_ext_bst_widget[] = {
945	SND_SOC_DAPM_SUPPLY("VSPK", CS35L41_GPIO1_CTRL1, CS35L41_GPIO_LVL_SHIFT, 0, NULL, 0),
946};
947
948static int cs35l41_component_probe(struct snd_soc_component *component)
949{
950	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
951	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
952	int ret;
953
954	if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) {
955		ret = snd_soc_dapm_new_controls(dapm, cs35l41_ext_bst_widget,
956						ARRAY_SIZE(cs35l41_ext_bst_widget));
957		if (ret)
958			return ret;
959
960		ret = snd_soc_dapm_add_routes(dapm, cs35l41_ext_bst_routes,
961					      ARRAY_SIZE(cs35l41_ext_bst_routes));
962		if (ret)
963			return ret;
964	}
965
966	return wm_adsp2_component_probe(&cs35l41->dsp, component);
967}
968
969static void cs35l41_component_remove(struct snd_soc_component *component)
970{
971	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
972
973	wm_adsp2_component_remove(&cs35l41->dsp, component);
974}
975
976static const struct snd_soc_dai_ops cs35l41_ops = {
977	.startup = cs35l41_pcm_startup,
978	.set_fmt = cs35l41_set_dai_fmt,
979	.hw_params = cs35l41_pcm_hw_params,
980	.set_sysclk = cs35l41_dai_set_sysclk,
981	.set_channel_map = cs35l41_set_channel_map,
982};
983
984static struct snd_soc_dai_driver cs35l41_dai[] = {
985	{
986		.name = "cs35l41-pcm",
987		.id = 0,
988		.playback = {
989			.stream_name = "AMP Playback",
990			.channels_min = 1,
991			.channels_max = 2,
992			.rates = SNDRV_PCM_RATE_KNOT,
993			.formats = CS35L41_RX_FORMATS,
994		},
995		.capture = {
996			.stream_name = "AMP Capture",
997			.channels_min = 1,
998			.channels_max = 4,
999			.rates = SNDRV_PCM_RATE_KNOT,
1000			.formats = CS35L41_TX_FORMATS,
1001		},
1002		.ops = &cs35l41_ops,
1003		.symmetric_rate = 1,
1004	},
1005};
1006
1007static const struct snd_soc_component_driver soc_component_dev_cs35l41 = {
1008	.name = "cs35l41-codec",
1009	.probe = cs35l41_component_probe,
1010	.remove = cs35l41_component_remove,
1011
1012	.dapm_widgets = cs35l41_dapm_widgets,
1013	.num_dapm_widgets = ARRAY_SIZE(cs35l41_dapm_widgets),
1014	.dapm_routes = cs35l41_audio_map,
1015	.num_dapm_routes = ARRAY_SIZE(cs35l41_audio_map),
1016
1017	.controls = cs35l41_aud_controls,
1018	.num_controls = ARRAY_SIZE(cs35l41_aud_controls),
1019	.set_sysclk = cs35l41_component_set_sysclk,
1020
1021	.endianness = 1,
1022};
1023
1024static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cfg)
1025{
1026	struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1;
1027	struct cs35l41_gpio_cfg *gpio2 = &hw_cfg->gpio2;
1028	unsigned int val;
1029	int ret;
1030
1031	/* Some ACPI systems received the Shared Boost feature before the upstream driver,
1032	 * leaving those systems with deprecated _DSD properties.
1033	 * To correctly configure those systems add shared-boost-active and shared-boost-passive
1034	 * properties mapped to the correct value in boost-type.
1035	 * These two are not DT properties and should not be used in new systems designs.
1036	 */
1037	if (device_property_read_bool(dev, "cirrus,shared-boost-active")) {
1038		hw_cfg->bst_type = CS35L41_SHD_BOOST_ACTV;
1039	} else if (device_property_read_bool(dev, "cirrus,shared-boost-passive")) {
1040		hw_cfg->bst_type = CS35L41_SHD_BOOST_PASS;
1041	} else {
1042		ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
1043		if (ret >= 0)
1044			hw_cfg->bst_type = val;
1045	}
1046
1047	ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val);
1048	if (ret >= 0)
1049		hw_cfg->bst_ipk = val;
1050	else
1051		hw_cfg->bst_ipk = -1;
1052
1053	ret = device_property_read_u32(dev, "cirrus,boost-ind-nanohenry", &val);
1054	if (ret >= 0)
1055		hw_cfg->bst_ind = val;
1056	else
1057		hw_cfg->bst_ind = -1;
1058
1059	ret = device_property_read_u32(dev, "cirrus,boost-cap-microfarad", &val);
1060	if (ret >= 0)
1061		hw_cfg->bst_cap = val;
1062	else
1063		hw_cfg->bst_cap = -1;
1064
1065	ret = device_property_read_u32(dev, "cirrus,asp-sdout-hiz", &val);
1066	if (ret >= 0)
1067		hw_cfg->dout_hiz = val;
1068	else
1069		hw_cfg->dout_hiz = -1;
1070
1071	/* GPIO1 Pin Config */
1072	gpio1->pol_inv = device_property_read_bool(dev, "cirrus,gpio1-polarity-invert");
1073	gpio1->out_en = device_property_read_bool(dev, "cirrus,gpio1-output-enable");
1074	ret = device_property_read_u32(dev, "cirrus,gpio1-src-select", &val);
1075	if (ret >= 0) {
1076		gpio1->func = val;
1077		gpio1->valid = true;
1078	}
1079
1080	/* GPIO2 Pin Config */
1081	gpio2->pol_inv = device_property_read_bool(dev, "cirrus,gpio2-polarity-invert");
1082	gpio2->out_en = device_property_read_bool(dev, "cirrus,gpio2-output-enable");
1083	ret = device_property_read_u32(dev, "cirrus,gpio2-src-select", &val);
1084	if (ret >= 0) {
1085		gpio2->func = val;
1086		gpio2->valid = true;
1087	}
1088
1089	hw_cfg->valid = true;
1090
1091	return 0;
1092}
1093
1094static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
1095{
1096	struct wm_adsp *dsp;
1097	uint32_t dsp1rx5_src;
1098	int ret;
1099
1100	dsp = &cs35l41->dsp;
1101	dsp->part = "cs35l41";
1102	dsp->fw = 9; /* 9 is WM_ADSP_FW_SPK_PROT in wm_adsp.c */
1103	dsp->toggle_preload = true;
1104
1105	cs35l41_configure_cs_dsp(cs35l41->dev, cs35l41->regmap, &dsp->cs_dsp);
1106
1107	ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap);
1108	if (ret < 0)
1109		return ret;
1110
1111	ret = wm_halo_init(dsp);
1112	if (ret) {
1113		dev_err(cs35l41->dev, "wm_halo_init failed: %d\n", ret);
1114		return ret;
1115	}
1116
1117	switch (cs35l41->hw_cfg.bst_type) {
1118	case CS35L41_INT_BOOST:
1119	case CS35L41_SHD_BOOST_ACTV:
1120		dsp1rx5_src = CS35L41_INPUT_SRC_VPMON;
1121		break;
1122	case CS35L41_EXT_BOOST:
1123	case CS35L41_SHD_BOOST_PASS:
1124		dsp1rx5_src = CS35L41_INPUT_SRC_VBSTMON;
1125		break;
1126	default:
1127		dev_err(cs35l41->dev, "wm_halo_init failed - Invalid Boost Type: %d\n",
1128			cs35l41->hw_cfg.bst_type);
1129		goto err_dsp;
1130	}
1131
1132	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX5_SRC, dsp1rx5_src);
1133	if (ret < 0) {
1134		dev_err(cs35l41->dev, "Write DSP1RX5_SRC: %d failed: %d\n", dsp1rx5_src, ret);
1135		goto err_dsp;
1136	}
1137	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX6_SRC, CS35L41_INPUT_SRC_VBSTMON);
1138	if (ret < 0) {
1139		dev_err(cs35l41->dev, "Write CS35L41_INPUT_SRC_VBSTMON failed: %d\n", ret);
1140		goto err_dsp;
1141	}
1142	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX7_SRC,
1143			   CS35L41_INPUT_SRC_TEMPMON);
1144	if (ret < 0) {
1145		dev_err(cs35l41->dev, "Write INPUT_SRC_TEMPMON failed: %d\n", ret);
1146		goto err_dsp;
1147	}
1148	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX8_SRC,
1149			   CS35L41_INPUT_SRC_RSVD);
1150	if (ret < 0) {
1151		dev_err(cs35l41->dev, "Write INPUT_SRC_RSVD failed: %d\n", ret);
1152		goto err_dsp;
1153	}
1154
1155	return 0;
1156
1157err_dsp:
1158	wm_adsp2_remove(dsp);
1159
1160	return ret;
1161}
1162
1163static int cs35l41_acpi_get_name(struct cs35l41_private *cs35l41)
1164{
1165	acpi_handle handle = ACPI_HANDLE(cs35l41->dev);
1166	const char *sub;
1167
1168	/* If there is no ACPI_HANDLE, there is no ACPI for this system, return 0 */
1169	if (!handle)
1170		return 0;
1171
1172	sub = acpi_get_subsystem_id(handle);
1173	if (IS_ERR(sub)) {
1174		/* If bad ACPI, return 0 and fallback to legacy firmware path, otherwise fail */
1175		if (PTR_ERR(sub) == -ENODATA)
1176			return 0;
1177		else
1178			return PTR_ERR(sub);
1179	}
1180
1181	cs35l41->dsp.system_name = sub;
1182	dev_dbg(cs35l41->dev, "Subsystem ID: %s\n", cs35l41->dsp.system_name);
1183
1184	return 0;
1185}
1186
1187int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg *hw_cfg)
1188{
1189	u32 regid, reg_revid, i, mtl_revid, int_status, chipid_match;
1190	int irq_pol = 0;
1191	int ret;
1192
1193	if (hw_cfg) {
1194		cs35l41->hw_cfg = *hw_cfg;
1195	} else {
1196		ret = cs35l41_handle_pdata(cs35l41->dev, &cs35l41->hw_cfg);
1197		if (ret != 0)
1198			return ret;
1199	}
1200
1201	for (i = 0; i < CS35L41_NUM_SUPPLIES; i++)
1202		cs35l41->supplies[i].supply = cs35l41_supplies[i];
1203
1204	ret = devm_regulator_bulk_get(cs35l41->dev, CS35L41_NUM_SUPPLIES,
1205				      cs35l41->supplies);
1206	if (ret != 0)
1207		return dev_err_probe(cs35l41->dev, ret,
1208				     "Failed to request core supplies\n");
1209
1210	ret = regulator_bulk_enable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1211	if (ret != 0)
1212		return dev_err_probe(cs35l41->dev, ret,
1213				     "Failed to enable core supplies\n");
1214
1215	/* returning NULL can be an option if in stereo mode */
1216	cs35l41->reset_gpio = devm_gpiod_get_optional(cs35l41->dev, "reset",
1217						      GPIOD_OUT_LOW);
1218	if (IS_ERR(cs35l41->reset_gpio)) {
1219		ret = PTR_ERR(cs35l41->reset_gpio);
1220		cs35l41->reset_gpio = NULL;
1221		if (ret == -EBUSY) {
1222			dev_info(cs35l41->dev,
1223				 "Reset line busy, assuming shared reset\n");
1224		} else {
1225			dev_err_probe(cs35l41->dev, ret,
1226				      "Failed to get reset GPIO\n");
1227			goto err;
1228		}
1229	}
1230	if (cs35l41->reset_gpio) {
1231		/* satisfy minimum reset pulse width spec */
1232		usleep_range(2000, 2100);
1233		gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
1234	}
1235
1236	usleep_range(2000, 2100);
1237
1238	ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4,
1239				       int_status, int_status & CS35L41_OTP_BOOT_DONE,
1240				       1000, 100000);
1241	if (ret) {
1242		dev_err_probe(cs35l41->dev, ret,
1243			      "Failed waiting for OTP_BOOT_DONE\n");
1244		goto err;
1245	}
1246
1247	regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_status);
1248	if (int_status & CS35L41_OTP_BOOT_ERR) {
1249		dev_err(cs35l41->dev, "OTP Boot error\n");
1250		ret = -EINVAL;
1251		goto err;
1252	}
1253
1254	ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid);
1255	if (ret < 0) {
1256		dev_err_probe(cs35l41->dev, ret, "Get Device ID failed\n");
1257		goto err;
1258	}
1259
1260	ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid);
1261	if (ret < 0) {
1262		dev_err_probe(cs35l41->dev, ret, "Get Revision ID failed\n");
1263		goto err;
1264	}
1265
1266	mtl_revid = reg_revid & CS35L41_MTLREVID_MASK;
1267
1268	/* CS35L41 will have even MTLREVID
1269	 * CS35L41R will have odd MTLREVID
1270	 */
1271	chipid_match = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
1272	if (regid != chipid_match) {
1273		dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n",
1274			regid, chipid_match);
1275		ret = -ENODEV;
1276		goto err;
1277	}
1278
1279	cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1280
1281	ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid);
1282	if (ret)
1283		goto err;
1284
1285	ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap);
1286	if (ret < 0) {
1287		dev_err_probe(cs35l41->dev, ret, "OTP Unpack failed\n");
1288		goto err;
1289	}
1290
1291	cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1292
1293	irq_pol = cs35l41_gpio_config(cs35l41->regmap, &cs35l41->hw_cfg);
1294
1295	/* Set interrupt masks for critical errors */
1296	regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1,
1297		     CS35L41_INT1_MASK_DEFAULT);
1298	if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS ||
1299	    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV)
1300		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK3, CS35L41_INT3_PLL_LOCK_MASK,
1301				   0 << CS35L41_INT3_PLL_LOCK_SHIFT);
1302
1303	ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL, cs35l41_irq,
1304					IRQF_ONESHOT | IRQF_SHARED | irq_pol,
1305					"cs35l41", cs35l41);
1306	if (ret != 0) {
1307		dev_err_probe(cs35l41->dev, ret, "Failed to request IRQ\n");
1308		goto err;
1309	}
1310
1311	ret = cs35l41_set_pdata(cs35l41);
1312	if (ret < 0) {
1313		dev_err_probe(cs35l41->dev, ret, "Set pdata failed\n");
1314		goto err;
1315	}
1316
1317	ret = cs35l41_acpi_get_name(cs35l41);
1318	if (ret < 0)
1319		goto err;
1320
1321	ret = cs35l41_dsp_init(cs35l41);
1322	if (ret < 0)
1323		goto err;
1324
1325	pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000);
1326	pm_runtime_use_autosuspend(cs35l41->dev);
1327	pm_runtime_mark_last_busy(cs35l41->dev);
1328	pm_runtime_set_active(cs35l41->dev);
1329	pm_runtime_get_noresume(cs35l41->dev);
1330	pm_runtime_enable(cs35l41->dev);
1331
1332	ret = devm_snd_soc_register_component(cs35l41->dev,
1333					      &soc_component_dev_cs35l41,
1334					      cs35l41_dai, ARRAY_SIZE(cs35l41_dai));
1335	if (ret < 0) {
1336		dev_err_probe(cs35l41->dev, ret, "Register codec failed\n");
1337		goto err_pm;
1338	}
1339
1340	pm_runtime_put_autosuspend(cs35l41->dev);
1341
1342	dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n",
1343		 regid, reg_revid);
1344
1345	return 0;
1346
1347err_pm:
1348	pm_runtime_dont_use_autosuspend(cs35l41->dev);
1349	pm_runtime_disable(cs35l41->dev);
1350	pm_runtime_put_noidle(cs35l41->dev);
1351
1352	wm_adsp2_remove(&cs35l41->dsp);
1353err:
1354	cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1355	regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1356	gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1357
1358	return ret;
1359}
1360EXPORT_SYMBOL_GPL(cs35l41_probe);
1361
1362void cs35l41_remove(struct cs35l41_private *cs35l41)
1363{
1364	pm_runtime_get_sync(cs35l41->dev);
1365	pm_runtime_dont_use_autosuspend(cs35l41->dev);
1366	pm_runtime_disable(cs35l41->dev);
1367
1368	regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
1369	if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS ||
1370	    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV)
1371		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK3, CS35L41_INT3_PLL_LOCK_MASK,
1372				   1 << CS35L41_INT3_PLL_LOCK_SHIFT);
1373	kfree(cs35l41->dsp.system_name);
1374	wm_adsp2_remove(&cs35l41->dsp);
1375	cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1376
1377	pm_runtime_put_noidle(cs35l41->dev);
1378
1379	regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1380	gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1381}
1382EXPORT_SYMBOL_GPL(cs35l41_remove);
1383
1384static int cs35l41_runtime_suspend(struct device *dev)
1385{
1386	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1387
1388	dev_dbg(cs35l41->dev, "Runtime suspend\n");
1389
1390	if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1391		return 0;
1392
1393	cs35l41_enter_hibernate(dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1394
1395	regcache_cache_only(cs35l41->regmap, true);
1396	regcache_mark_dirty(cs35l41->regmap);
1397
1398	return 0;
1399}
1400
1401static int cs35l41_runtime_resume(struct device *dev)
1402{
1403	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1404	int ret;
1405
1406	dev_dbg(cs35l41->dev, "Runtime resume\n");
1407
1408	if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1409		return 0;
1410
1411	regcache_cache_only(cs35l41->regmap, false);
1412
1413	ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap);
1414	if (ret)
1415		return ret;
1416
1417	/* Test key needs to be unlocked to allow the OTP settings to re-apply */
1418	cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1419	ret = regcache_sync(cs35l41->regmap);
1420	cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1421	if (ret) {
1422		dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret);
1423		return ret;
1424	}
1425	cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg);
1426
1427	return 0;
1428}
1429
1430static int cs35l41_sys_suspend(struct device *dev)
1431{
1432	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1433
1434	dev_dbg(cs35l41->dev, "System suspend, disabling IRQ\n");
1435	disable_irq(cs35l41->irq);
1436
1437	return 0;
1438}
1439
1440static int cs35l41_sys_suspend_noirq(struct device *dev)
1441{
1442	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1443
1444	dev_dbg(cs35l41->dev, "Late system suspend, reenabling IRQ\n");
1445	enable_irq(cs35l41->irq);
1446
1447	return 0;
1448}
1449
1450static int cs35l41_sys_resume_noirq(struct device *dev)
1451{
1452	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1453
1454	dev_dbg(cs35l41->dev, "Early system resume, disabling IRQ\n");
1455	disable_irq(cs35l41->irq);
1456
1457	return 0;
1458}
1459
1460static int cs35l41_sys_resume(struct device *dev)
1461{
1462	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1463
1464	dev_dbg(cs35l41->dev, "System resume, reenabling IRQ\n");
1465	enable_irq(cs35l41->irq);
1466
1467	return 0;
1468}
1469
1470EXPORT_GPL_DEV_PM_OPS(cs35l41_pm_ops) = {
1471	RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, NULL)
1472
1473	SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend, cs35l41_sys_resume)
1474	NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend_noirq, cs35l41_sys_resume_noirq)
1475};
1476
1477MODULE_DESCRIPTION("ASoC CS35L41 driver");
1478MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
1479MODULE_LICENSE("GPL");
1480