xref: /linux/sound/soc/codecs/cs35l41.c (revision 05a54fa773284d1a7923cdfdd8f0c8dabb98bd26)
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 <acpi/acpi_bus.h>
11 #include <linux/delay.h>
12 #include <linux/err.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/pm_runtime.h>
18 #include <linux/property.h>
19 #include <sound/initval.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/soc-dapm.h>
24 #include <sound/tlv.h>
25 
26 #include "cs35l41.h"
27 
28 static const char * const cs35l41_supplies[CS35L41_NUM_SUPPLIES] = {
29 	"VA",
30 	"VP",
31 };
32 
33 struct cs35l41_pll_sysclk_config {
34 	int freq;
35 	int clk_cfg;
36 };
37 
38 static const struct cs35l41_pll_sysclk_config cs35l41_pll_sysclk[] = {
39 	{ 32768,	0x00 },
40 	{ 8000,		0x01 },
41 	{ 11025,	0x02 },
42 	{ 12000,	0x03 },
43 	{ 16000,	0x04 },
44 	{ 22050,	0x05 },
45 	{ 24000,	0x06 },
46 	{ 32000,	0x07 },
47 	{ 44100,	0x08 },
48 	{ 48000,	0x09 },
49 	{ 88200,	0x0A },
50 	{ 96000,	0x0B },
51 	{ 128000,	0x0C },
52 	{ 176400,	0x0D },
53 	{ 192000,	0x0E },
54 	{ 256000,	0x0F },
55 	{ 352800,	0x10 },
56 	{ 384000,	0x11 },
57 	{ 512000,	0x12 },
58 	{ 705600,	0x13 },
59 	{ 750000,	0x14 },
60 	{ 768000,	0x15 },
61 	{ 1000000,	0x16 },
62 	{ 1024000,	0x17 },
63 	{ 1200000,	0x18 },
64 	{ 1411200,	0x19 },
65 	{ 1500000,	0x1A },
66 	{ 1536000,	0x1B },
67 	{ 2000000,	0x1C },
68 	{ 2048000,	0x1D },
69 	{ 2400000,	0x1E },
70 	{ 2822400,	0x1F },
71 	{ 3000000,	0x20 },
72 	{ 3072000,	0x21 },
73 	{ 3200000,	0x22 },
74 	{ 4000000,	0x23 },
75 	{ 4096000,	0x24 },
76 	{ 4800000,	0x25 },
77 	{ 5644800,	0x26 },
78 	{ 6000000,	0x27 },
79 	{ 6144000,	0x28 },
80 	{ 6250000,	0x29 },
81 	{ 6400000,	0x2A },
82 	{ 6500000,	0x2B },
83 	{ 6750000,	0x2C },
84 	{ 7526400,	0x2D },
85 	{ 8000000,	0x2E },
86 	{ 8192000,	0x2F },
87 	{ 9600000,	0x30 },
88 	{ 11289600,	0x31 },
89 	{ 12000000,	0x32 },
90 	{ 12288000,	0x33 },
91 	{ 12500000,	0x34 },
92 	{ 12800000,	0x35 },
93 	{ 13000000,	0x36 },
94 	{ 13500000,	0x37 },
95 	{ 19200000,	0x38 },
96 	{ 22579200,	0x39 },
97 	{ 24000000,	0x3A },
98 	{ 24576000,	0x3B },
99 	{ 25000000,	0x3C },
100 	{ 25600000,	0x3D },
101 	{ 26000000,	0x3E },
102 	{ 27000000,	0x3F },
103 };
104 
105 struct cs35l41_fs_mon_config {
106 	int freq;
107 	unsigned int fs1;
108 	unsigned int fs2;
109 };
110 
111 static const struct cs35l41_fs_mon_config cs35l41_fs_mon[] = {
112 	{ 32768,	2254,	3754 },
113 	{ 8000,		9220,	15364 },
114 	{ 11025,	6148,	10244 },
115 	{ 12000,	6148,	10244 },
116 	{ 16000,	4612,	7684 },
117 	{ 22050,	3076,	5124 },
118 	{ 24000,	3076,	5124 },
119 	{ 32000,	2308,	3844 },
120 	{ 44100,	1540,	2564 },
121 	{ 48000,	1540,	2564 },
122 	{ 88200,	772,	1284 },
123 	{ 96000,	772,	1284 },
124 	{ 128000,	580,	964 },
125 	{ 176400,	388,	644 },
126 	{ 192000,	388,	644 },
127 	{ 256000,	292,	484 },
128 	{ 352800,	196,	324 },
129 	{ 384000,	196,	324 },
130 	{ 512000,	148,	244 },
131 	{ 705600,	100,	164 },
132 	{ 750000,	100,	164 },
133 	{ 768000,	100,	164 },
134 	{ 1000000,	76,	124 },
135 	{ 1024000,	76,	124 },
136 	{ 1200000,	64,	104 },
137 	{ 1411200,	52,	84 },
138 	{ 1500000,	52,	84 },
139 	{ 1536000,	52,	84 },
140 	{ 2000000,	40,	64 },
141 	{ 2048000,	40,	64 },
142 	{ 2400000,	34,	54 },
143 	{ 2822400,	28,	44 },
144 	{ 3000000,	28,	44 },
145 	{ 3072000,	28,	44 },
146 	{ 3200000,	27,	42 },
147 	{ 4000000,	22,	34 },
148 	{ 4096000,	22,	34 },
149 	{ 4800000,	19,	29 },
150 	{ 5644800,	16,	24 },
151 	{ 6000000,	16,	24 },
152 	{ 6144000,	16,	24 },
153 	{ 12288000,	0,	0 },
154 };
155 
156 static int cs35l41_get_fs_mon_config_index(int freq)
157 {
158 	int i;
159 
160 	for (i = 0; i < ARRAY_SIZE(cs35l41_fs_mon); i++) {
161 		if (cs35l41_fs_mon[i].freq == freq)
162 			return i;
163 	}
164 
165 	return -EINVAL;
166 }
167 
168 static const DECLARE_TLV_DB_RANGE(dig_vol_tlv,
169 		0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
170 		1, 913, TLV_DB_MINMAX_ITEM(-10200, 1200));
171 static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 50, 100, 0);
172 
173 static const struct snd_kcontrol_new dre_ctrl =
174 	SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0);
175 
176 static const char * const cs35l41_pcm_sftramp_text[] =  {
177 	"Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"
178 };
179 
180 static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp,
181 			    CS35L41_AMP_DIG_VOL_CTRL, 0,
182 			    cs35l41_pcm_sftramp_text);
183 
184 static int cs35l41_dsp_preload_ev(struct snd_soc_dapm_widget *w,
185 				  struct snd_kcontrol *kcontrol, int event)
186 {
187 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
188 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
189 	int ret;
190 
191 	switch (event) {
192 	case SND_SOC_DAPM_PRE_PMU:
193 		if (cs35l41->dsp.cs_dsp.booted)
194 			return 0;
195 
196 		return wm_adsp_early_event(w, kcontrol, event);
197 	case SND_SOC_DAPM_PRE_PMD:
198 		if (cs35l41->dsp.preloaded)
199 			return 0;
200 
201 		if (cs35l41->dsp.cs_dsp.running) {
202 			ret = wm_adsp_event(w, kcontrol, event);
203 			if (ret)
204 				return ret;
205 		}
206 
207 		return wm_adsp_early_event(w, kcontrol, event);
208 	default:
209 		return 0;
210 	}
211 }
212 
213 static int cs35l41_dsp_audio_ev(struct snd_soc_dapm_widget *w,
214 				struct snd_kcontrol *kcontrol, int event)
215 {
216 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
217 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
218 	unsigned int fw_status;
219 	int ret;
220 
221 	switch (event) {
222 	case SND_SOC_DAPM_POST_PMU:
223 		if (!cs35l41->dsp.cs_dsp.running)
224 			return wm_adsp_event(w, kcontrol, event);
225 
226 		ret = regmap_read(cs35l41->regmap, CS35L41_DSP_MBOX_2, &fw_status);
227 		if (ret < 0) {
228 			dev_err(cs35l41->dev,
229 				"Failed to read firmware status: %d\n", ret);
230 			return ret;
231 		}
232 
233 		switch (fw_status) {
234 		case CSPL_MBOX_STS_RUNNING:
235 		case CSPL_MBOX_STS_PAUSED:
236 			break;
237 		default:
238 			dev_err(cs35l41->dev, "Firmware status is invalid: %u\n",
239 				fw_status);
240 			return -EINVAL;
241 		}
242 
243 		return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
244 						 CSPL_MBOX_CMD_RESUME);
245 	case SND_SOC_DAPM_PRE_PMD:
246 		return cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap,
247 						 CSPL_MBOX_CMD_PAUSE);
248 	default:
249 		return 0;
250 	}
251 }
252 
253 static const char * const cs35l41_pcm_source_texts[] = {"ASP", "DSP"};
254 static const unsigned int cs35l41_pcm_source_values[] = {0x08, 0x32};
255 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_pcm_source_enum,
256 				  CS35L41_DAC_PCM1_SRC,
257 				  0, CS35L41_ASP_SOURCE_MASK,
258 				  cs35l41_pcm_source_texts,
259 				  cs35l41_pcm_source_values);
260 
261 static const struct snd_kcontrol_new pcm_source_mux =
262 	SOC_DAPM_ENUM("PCM Source", cs35l41_pcm_source_enum);
263 
264 static const char * const cs35l41_tx_input_texts[] = {
265 	"Zero", "ASPRX1", "ASPRX2", "VMON", "IMON",
266 	"VPMON", "VBSTMON", "DSPTX1", "DSPTX2"
267 };
268 
269 static const unsigned int cs35l41_tx_input_values[] = {
270 	0x00, CS35L41_INPUT_SRC_ASPRX1, CS35L41_INPUT_SRC_ASPRX2,
271 	CS35L41_INPUT_SRC_VMON, CS35L41_INPUT_SRC_IMON, CS35L41_INPUT_SRC_VPMON,
272 	CS35L41_INPUT_SRC_VBSTMON, CS35L41_INPUT_DSP_TX1, CS35L41_INPUT_DSP_TX2
273 };
274 
275 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx1_enum,
276 				  CS35L41_ASP_TX1_SRC,
277 				  0, CS35L41_ASP_SOURCE_MASK,
278 				  cs35l41_tx_input_texts,
279 				  cs35l41_tx_input_values);
280 
281 static const struct snd_kcontrol_new asp_tx1_mux =
282 	SOC_DAPM_ENUM("ASPTX1 SRC", cs35l41_asptx1_enum);
283 
284 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx2_enum,
285 				  CS35L41_ASP_TX2_SRC,
286 				  0, CS35L41_ASP_SOURCE_MASK,
287 				  cs35l41_tx_input_texts,
288 				  cs35l41_tx_input_values);
289 
290 static const struct snd_kcontrol_new asp_tx2_mux =
291 	SOC_DAPM_ENUM("ASPTX2 SRC", cs35l41_asptx2_enum);
292 
293 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx3_enum,
294 				  CS35L41_ASP_TX3_SRC,
295 				  0, CS35L41_ASP_SOURCE_MASK,
296 				  cs35l41_tx_input_texts,
297 				  cs35l41_tx_input_values);
298 
299 static const struct snd_kcontrol_new asp_tx3_mux =
300 	SOC_DAPM_ENUM("ASPTX3 SRC", cs35l41_asptx3_enum);
301 
302 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx4_enum,
303 				  CS35L41_ASP_TX4_SRC,
304 				  0, CS35L41_ASP_SOURCE_MASK,
305 				  cs35l41_tx_input_texts,
306 				  cs35l41_tx_input_values);
307 
308 static const struct snd_kcontrol_new asp_tx4_mux =
309 	SOC_DAPM_ENUM("ASPTX4 SRC", cs35l41_asptx4_enum);
310 
311 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx1_enum,
312 				  CS35L41_DSP1_RX1_SRC,
313 				  0, CS35L41_ASP_SOURCE_MASK,
314 				  cs35l41_tx_input_texts,
315 				  cs35l41_tx_input_values);
316 
317 static const struct snd_kcontrol_new dsp_rx1_mux =
318 	SOC_DAPM_ENUM("DSPRX1 SRC", cs35l41_dsprx1_enum);
319 
320 static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx2_enum,
321 				  CS35L41_DSP1_RX2_SRC,
322 				  0, CS35L41_ASP_SOURCE_MASK,
323 				  cs35l41_tx_input_texts,
324 				  cs35l41_tx_input_values);
325 
326 static const struct snd_kcontrol_new dsp_rx2_mux =
327 	SOC_DAPM_ENUM("DSPRX2 SRC", cs35l41_dsprx2_enum);
328 
329 static const struct snd_kcontrol_new cs35l41_aud_controls[] = {
330 	SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L41_AMP_DIG_VOL_CTRL,
331 			  3, 0x4CF, 0x391, dig_vol_tlv),
332 	SOC_SINGLE_TLV("Analog PCM Volume", CS35L41_AMP_GAIN_CTRL, 5, 0x14, 0,
333 		       amp_gain_tlv),
334 	SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
335 	SOC_SINGLE("HW Noise Gate Enable", CS35L41_NG_CFG, 8, 63, 0),
336 	SOC_SINGLE("HW Noise Gate Delay", CS35L41_NG_CFG, 4, 7, 0),
337 	SOC_SINGLE("HW Noise Gate Threshold", CS35L41_NG_CFG, 0, 7, 0),
338 	SOC_SINGLE("Aux Noise Gate CH1 Switch",
339 		   CS35L41_MIXER_NGATE_CH1_CFG, 16, 1, 0),
340 	SOC_SINGLE("Aux Noise Gate CH1 Entry Delay",
341 		   CS35L41_MIXER_NGATE_CH1_CFG, 8, 15, 0),
342 	SOC_SINGLE("Aux Noise Gate CH1 Threshold",
343 		   CS35L41_MIXER_NGATE_CH1_CFG, 0, 7, 0),
344 	SOC_SINGLE("Aux Noise Gate CH2 Entry Delay",
345 		   CS35L41_MIXER_NGATE_CH2_CFG, 8, 15, 0),
346 	SOC_SINGLE("Aux Noise Gate CH2 Switch",
347 		   CS35L41_MIXER_NGATE_CH2_CFG, 16, 1, 0),
348 	SOC_SINGLE("Aux Noise Gate CH2 Threshold",
349 		   CS35L41_MIXER_NGATE_CH2_CFG, 0, 7, 0),
350 	SOC_SINGLE("SCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_SCLK_FRC_SHIFT, 1, 0),
351 	SOC_SINGLE("LRCLK Force Switch", CS35L41_SP_FORMAT, CS35L41_LRCLK_FRC_SHIFT, 1, 0),
352 	SOC_SINGLE("Invert Class D Switch", CS35L41_AMP_DIG_VOL_CTRL,
353 		   CS35L41_AMP_INV_PCM_SHIFT, 1, 0),
354 	SOC_SINGLE("Amp Gain ZC Switch", CS35L41_AMP_GAIN_CTRL,
355 		   CS35L41_AMP_GAIN_ZC_SHIFT, 1, 0),
356 	WM_ADSP2_PRELOAD_SWITCH("DSP1", 1),
357 	WM_ADSP_FW_CONTROL("DSP1", 0),
358 };
359 
360 static void cs35l41_boost_enable(struct cs35l41_private *cs35l41, unsigned int enable)
361 {
362 	switch (cs35l41->hw_cfg.bst_type) {
363 	case CS35L41_INT_BOOST:
364 	case CS35L41_SHD_BOOST_ACTV:
365 		enable = enable ? CS35L41_BST_EN_DEFAULT : CS35L41_BST_DIS_FET_OFF;
366 		regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2, CS35L41_BST_EN_MASK,
367 				enable << CS35L41_BST_EN_SHIFT);
368 		break;
369 	default:
370 		break;
371 	}
372 }
373 
374 
375 static void cs35l41_error_release(struct cs35l41_private *cs35l41, unsigned int irq_err_bit,
376 				  unsigned int rel_err_bit)
377 {
378 	regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1, irq_err_bit);
379 	regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
380 	regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, rel_err_bit, rel_err_bit);
381 	regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, rel_err_bit, 0);
382 }
383 
384 static irqreturn_t cs35l41_irq(int irq, void *data)
385 {
386 	struct cs35l41_private *cs35l41 = data;
387 	unsigned int status[4] = { 0, 0, 0, 0 };
388 	unsigned int masks[4] = { 0, 0, 0, 0 };
389 	unsigned int i;
390 	int ret;
391 
392 	ret = pm_runtime_resume_and_get(cs35l41->dev);
393 	if (ret < 0) {
394 		dev_err(cs35l41->dev,
395 			"pm_runtime_resume_and_get failed in %s: %d\n",
396 			__func__, ret);
397 		return IRQ_NONE;
398 	}
399 
400 	ret = IRQ_NONE;
401 
402 	for (i = 0; i < ARRAY_SIZE(status); i++) {
403 		regmap_read(cs35l41->regmap,
404 			    CS35L41_IRQ1_STATUS1 + (i * CS35L41_REGSTRIDE),
405 			    &status[i]);
406 		regmap_read(cs35l41->regmap,
407 			    CS35L41_IRQ1_MASK1 + (i * CS35L41_REGSTRIDE),
408 			    &masks[i]);
409 	}
410 
411 	/* Check to see if unmasked bits are active */
412 	if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
413 	    !(status[2] & ~masks[2]) && !(status[3] & ~masks[3]))
414 		goto done;
415 
416 	if (status[3] & CS35L41_OTP_BOOT_DONE) {
417 		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK4,
418 				   CS35L41_OTP_BOOT_DONE, CS35L41_OTP_BOOT_DONE);
419 	}
420 
421 	/*
422 	 * The following interrupts require a
423 	 * protection release cycle to get the
424 	 * speaker out of Safe-Mode.
425 	 */
426 	if (status[0] & CS35L41_AMP_SHORT_ERR) {
427 		dev_crit_ratelimited(cs35l41->dev, "Amp short error\n");
428 		cs35l41_error_release(cs35l41, CS35L41_AMP_SHORT_ERR, CS35L41_AMP_SHORT_ERR_RLS);
429 		ret = IRQ_HANDLED;
430 	}
431 
432 	if (status[0] & CS35L41_TEMP_WARN) {
433 		dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n");
434 		cs35l41_error_release(cs35l41, CS35L41_TEMP_WARN, CS35L41_TEMP_WARN_ERR_RLS);
435 		ret = IRQ_HANDLED;
436 	}
437 
438 	if (status[0] & CS35L41_TEMP_ERR) {
439 		dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n");
440 		cs35l41_error_release(cs35l41, CS35L41_TEMP_ERR, CS35L41_TEMP_ERR_RLS);
441 		ret = IRQ_HANDLED;
442 	}
443 
444 	if (status[0] & CS35L41_BST_OVP_ERR) {
445 		dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n");
446 		cs35l41_boost_enable(cs35l41, 0);
447 		cs35l41_error_release(cs35l41, CS35L41_BST_OVP_ERR, CS35L41_BST_OVP_ERR_RLS);
448 		cs35l41_boost_enable(cs35l41, 1);
449 		ret = IRQ_HANDLED;
450 	}
451 
452 	if (status[0] & CS35L41_BST_DCM_UVP_ERR) {
453 		dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n");
454 		cs35l41_boost_enable(cs35l41, 0);
455 		cs35l41_error_release(cs35l41, CS35L41_BST_DCM_UVP_ERR, CS35L41_BST_UVP_ERR_RLS);
456 		cs35l41_boost_enable(cs35l41, 1);
457 		ret = IRQ_HANDLED;
458 	}
459 
460 	if (status[0] & CS35L41_BST_SHORT_ERR) {
461 		dev_crit_ratelimited(cs35l41->dev, "LBST error: powering off!\n");
462 		cs35l41_boost_enable(cs35l41, 0);
463 		cs35l41_error_release(cs35l41, CS35L41_BST_SHORT_ERR, CS35L41_BST_SHORT_ERR_RLS);
464 		cs35l41_boost_enable(cs35l41, 1);
465 		ret = IRQ_HANDLED;
466 	}
467 
468 	if (status[2] & CS35L41_PLL_LOCK) {
469 		regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS3, CS35L41_PLL_LOCK);
470 
471 		if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV ||
472 		    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS) {
473 			ret = cs35l41_mdsync_up(cs35l41->regmap);
474 			if (ret)
475 				dev_err(cs35l41->dev, "MDSYNC-up failed: %d\n", ret);
476 			else
477 				dev_dbg(cs35l41->dev, "MDSYNC-up done\n");
478 
479 			dev_dbg(cs35l41->dev, "PUP-done status: %d\n",
480 				!!(status[0] & CS35L41_PUP_DONE_MASK));
481 		}
482 
483 		ret = IRQ_HANDLED;
484 	}
485 
486 done:
487 	pm_runtime_put_autosuspend(cs35l41->dev);
488 
489 	return ret;
490 }
491 
492 static 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 
500 static 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 
508 static 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 
540 static 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 
592 static 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 
675 static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_n,
676 				   const unsigned int *tx_slot,
677 				   unsigned int rx_n, const unsigned int *rx_slot)
678 {
679 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
680 
681 	return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_n, tx_slot, rx_n, rx_slot);
682 }
683 
684 static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
685 {
686 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
687 	unsigned int daifmt = 0;
688 
689 	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
690 	case SND_SOC_DAIFMT_CBP_CFP:
691 		daifmt |= CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK;
692 		break;
693 	case SND_SOC_DAIFMT_CBC_CFC:
694 		break;
695 	default:
696 		dev_warn(cs35l41->dev, "Mixed provider/consumer mode unsupported\n");
697 		return -EINVAL;
698 	}
699 
700 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
701 	case SND_SOC_DAIFMT_DSP_A:
702 		break;
703 	case SND_SOC_DAIFMT_I2S:
704 		daifmt |= 2 << CS35L41_ASP_FMT_SHIFT;
705 		break;
706 	default:
707 		dev_warn(cs35l41->dev, "Invalid or unsupported DAI format\n");
708 		return -EINVAL;
709 	}
710 
711 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
712 	case SND_SOC_DAIFMT_NB_IF:
713 		daifmt |= CS35L41_LRCLK_INV_MASK;
714 		break;
715 	case SND_SOC_DAIFMT_IB_NF:
716 		daifmt |= CS35L41_SCLK_INV_MASK;
717 		break;
718 	case SND_SOC_DAIFMT_IB_IF:
719 		daifmt |= CS35L41_LRCLK_INV_MASK | CS35L41_SCLK_INV_MASK;
720 		break;
721 	case SND_SOC_DAIFMT_NB_NF:
722 		break;
723 	default:
724 		dev_warn(cs35l41->dev, "Invalid DAI clock INV\n");
725 		return -EINVAL;
726 	}
727 
728 	return regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
729 				  CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK |
730 				  CS35L41_ASP_FMT_MASK | CS35L41_LRCLK_INV_MASK |
731 				  CS35L41_SCLK_INV_MASK, daifmt);
732 }
733 
734 struct cs35l41_global_fs_config {
735 	int rate;
736 	int fs_cfg;
737 };
738 
739 static const struct cs35l41_global_fs_config cs35l41_fs_rates[] = {
740 	{ 12000,	0x01 },
741 	{ 24000,	0x02 },
742 	{ 48000,	0x03 },
743 	{ 96000,	0x04 },
744 	{ 192000,	0x05 },
745 	{ 11025,	0x09 },
746 	{ 22050,	0x0A },
747 	{ 44100,	0x0B },
748 	{ 88200,	0x0C },
749 	{ 176400,	0x0D },
750 	{ 8000,		0x11 },
751 	{ 16000,	0x12 },
752 	{ 32000,	0x13 },
753 };
754 
755 static int cs35l41_pcm_hw_params(struct snd_pcm_substream *substream,
756 				 struct snd_pcm_hw_params *params,
757 				 struct snd_soc_dai *dai)
758 {
759 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
760 	unsigned int rate = params_rate(params);
761 	u8 asp_wl;
762 	int i;
763 
764 	for (i = 0; i < ARRAY_SIZE(cs35l41_fs_rates); i++) {
765 		if (rate == cs35l41_fs_rates[i].rate)
766 			break;
767 	}
768 
769 	if (i >= ARRAY_SIZE(cs35l41_fs_rates)) {
770 		dev_err(cs35l41->dev, "Unsupported rate: %u\n", rate);
771 		return -EINVAL;
772 	}
773 
774 	asp_wl = params_width(params);
775 
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 
799 static 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 
811 static int cs35l41_component_set_sysclk(struct snd_soc_component *component,
812 					int clk_id, int source,
813 					unsigned int freq, int dir)
814 {
815 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
816 	int extclk_cfg, clksrc;
817 
818 	switch (clk_id) {
819 	case CS35L41_CLKID_SCLK:
820 		clksrc = CS35L41_PLLSRC_SCLK;
821 		break;
822 	case CS35L41_CLKID_LRCLK:
823 		clksrc = CS35L41_PLLSRC_LRCLK;
824 		break;
825 	case CS35L41_CLKID_MCLK:
826 		clksrc = CS35L41_PLLSRC_MCLK;
827 		break;
828 	default:
829 		dev_err(cs35l41->dev, "Invalid CLK Config\n");
830 		return -EINVAL;
831 	}
832 
833 	extclk_cfg = cs35l41_get_clk_config(freq);
834 
835 	if (extclk_cfg < 0) {
836 		dev_err(cs35l41->dev, "Invalid CLK Config: %d, freq: %u\n",
837 			extclk_cfg, freq);
838 		return -EINVAL;
839 	}
840 
841 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
842 			   CS35L41_PLL_OPENLOOP_MASK,
843 			   1 << CS35L41_PLL_OPENLOOP_SHIFT);
844 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
845 			   CS35L41_REFCLK_FREQ_MASK,
846 			   extclk_cfg << CS35L41_REFCLK_FREQ_SHIFT);
847 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
848 			   CS35L41_PLL_CLK_EN_MASK,
849 			   0 << CS35L41_PLL_CLK_EN_SHIFT);
850 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
851 			   CS35L41_PLL_CLK_SEL_MASK, clksrc);
852 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
853 			   CS35L41_PLL_OPENLOOP_MASK,
854 			   0 << CS35L41_PLL_OPENLOOP_SHIFT);
855 	regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
856 			   CS35L41_PLL_CLK_EN_MASK,
857 			   1 << CS35L41_PLL_CLK_EN_SHIFT);
858 
859 	return 0;
860 }
861 
862 static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
863 				  int clk_id, unsigned int freq, int dir)
864 {
865 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
866 	unsigned int fs1_val;
867 	unsigned int fs2_val;
868 	unsigned int val;
869 	int fsindex;
870 
871 	fsindex = cs35l41_get_fs_mon_config_index(freq);
872 	if (fsindex < 0) {
873 		dev_err(cs35l41->dev, "Invalid CLK Config freq: %u\n", freq);
874 		return -EINVAL;
875 	}
876 
877 	dev_dbg(cs35l41->dev, "Set DAI sysclk %d\n", freq);
878 
879 	if (freq <= 6144000) {
880 		/* Use the lookup table */
881 		fs1_val = cs35l41_fs_mon[fsindex].fs1;
882 		fs2_val = cs35l41_fs_mon[fsindex].fs2;
883 	} else {
884 		/* Use hard-coded values */
885 		fs1_val = 0x10;
886 		fs2_val = 0x24;
887 	}
888 
889 	val = fs1_val;
890 	val |= (fs2_val << CS35L41_FS2_WINDOW_SHIFT) & CS35L41_FS2_WINDOW_MASK;
891 	regmap_write(cs35l41->regmap, CS35L41_TST_FS_MON0, val);
892 
893 	return 0;
894 }
895 
896 static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
897 {
898 	struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
899 	int ret;
900 
901 	if (!hw_cfg->valid)
902 		return -EINVAL;
903 
904 	if (hw_cfg->bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
905 		return -EINVAL;
906 
907 	/* Required */
908 	ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg);
909 	if (ret)
910 		return ret;
911 
912 	/* Optional */
913 	if (hw_cfg->dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK && hw_cfg->dout_hiz >= 0)
914 		regmap_update_bits(cs35l41->regmap, CS35L41_SP_HIZ_CTRL, CS35L41_ASP_DOUT_HIZ_MASK,
915 				   hw_cfg->dout_hiz);
916 
917 	return 0;
918 }
919 
920 static const struct snd_soc_dapm_route cs35l41_ext_bst_routes[] = {
921 	{"Main AMP", NULL, "VSPK"},
922 };
923 
924 static const struct snd_soc_dapm_widget cs35l41_ext_bst_widget[] = {
925 	SND_SOC_DAPM_SUPPLY("VSPK", CS35L41_GPIO1_CTRL1, CS35L41_GPIO_LVL_SHIFT, 0, NULL, 0),
926 };
927 
928 static int cs35l41_component_probe(struct snd_soc_component *component)
929 {
930 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
931 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
932 	int ret;
933 
934 	if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) {
935 		ret = snd_soc_dapm_new_controls(dapm, cs35l41_ext_bst_widget,
936 						ARRAY_SIZE(cs35l41_ext_bst_widget));
937 		if (ret)
938 			return ret;
939 
940 		ret = snd_soc_dapm_add_routes(dapm, cs35l41_ext_bst_routes,
941 					      ARRAY_SIZE(cs35l41_ext_bst_routes));
942 		if (ret)
943 			return ret;
944 	}
945 
946 	return wm_adsp2_component_probe(&cs35l41->dsp, component);
947 }
948 
949 static void cs35l41_component_remove(struct snd_soc_component *component)
950 {
951 	struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
952 
953 	wm_adsp2_component_remove(&cs35l41->dsp, component);
954 }
955 
956 static const struct snd_soc_dai_ops cs35l41_ops = {
957 	.set_fmt = cs35l41_set_dai_fmt,
958 	.hw_params = cs35l41_pcm_hw_params,
959 	.set_sysclk = cs35l41_dai_set_sysclk,
960 	.set_channel_map = cs35l41_set_channel_map,
961 };
962 
963 #define CS35L41_RATES (		    \
964 	SNDRV_PCM_RATE_8000_48000 | \
965 	SNDRV_PCM_RATE_12000 |	    \
966 	SNDRV_PCM_RATE_24000 |	    \
967 	SNDRV_PCM_RATE_88200 |	    \
968 	SNDRV_PCM_RATE_96000 |	    \
969 	SNDRV_PCM_RATE_176400 |	    \
970 	SNDRV_PCM_RATE_192000)
971 
972 static struct snd_soc_dai_driver cs35l41_dai[] = {
973 	{
974 		.name = "cs35l41-pcm",
975 		.id = 0,
976 		.playback = {
977 			.stream_name = "AMP Playback",
978 			.channels_min = 1,
979 			.channels_max = 2,
980 			.rates = CS35L41_RATES,
981 			.formats = CS35L41_RX_FORMATS,
982 		},
983 		.capture = {
984 			.stream_name = "AMP Capture",
985 			.channels_min = 1,
986 			.channels_max = 4,
987 			.rates = CS35L41_RATES,
988 			.formats = CS35L41_TX_FORMATS,
989 		},
990 		.ops = &cs35l41_ops,
991 		.symmetric_rate = 1,
992 	},
993 };
994 
995 static const struct snd_soc_component_driver soc_component_dev_cs35l41 = {
996 	.name = "cs35l41-codec",
997 	.probe = cs35l41_component_probe,
998 	.remove = cs35l41_component_remove,
999 
1000 	.dapm_widgets = cs35l41_dapm_widgets,
1001 	.num_dapm_widgets = ARRAY_SIZE(cs35l41_dapm_widgets),
1002 	.dapm_routes = cs35l41_audio_map,
1003 	.num_dapm_routes = ARRAY_SIZE(cs35l41_audio_map),
1004 
1005 	.controls = cs35l41_aud_controls,
1006 	.num_controls = ARRAY_SIZE(cs35l41_aud_controls),
1007 	.set_sysclk = cs35l41_component_set_sysclk,
1008 
1009 	.endianness = 1,
1010 };
1011 
1012 static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cfg)
1013 {
1014 	struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1;
1015 	struct cs35l41_gpio_cfg *gpio2 = &hw_cfg->gpio2;
1016 	unsigned int val;
1017 	int ret;
1018 
1019 	/* Some ACPI systems received the Shared Boost feature before the upstream driver,
1020 	 * leaving those systems with deprecated _DSD properties.
1021 	 * To correctly configure those systems add shared-boost-active and shared-boost-passive
1022 	 * properties mapped to the correct value in boost-type.
1023 	 * These two are not DT properties and should not be used in new systems designs.
1024 	 */
1025 	if (device_property_read_bool(dev, "cirrus,shared-boost-active")) {
1026 		hw_cfg->bst_type = CS35L41_SHD_BOOST_ACTV;
1027 	} else if (device_property_read_bool(dev, "cirrus,shared-boost-passive")) {
1028 		hw_cfg->bst_type = CS35L41_SHD_BOOST_PASS;
1029 	} else {
1030 		ret = device_property_read_u32(dev, "cirrus,boost-type", &val);
1031 		if (ret >= 0)
1032 			hw_cfg->bst_type = val;
1033 	}
1034 
1035 	ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val);
1036 	if (ret >= 0)
1037 		hw_cfg->bst_ipk = val;
1038 	else
1039 		hw_cfg->bst_ipk = -1;
1040 
1041 	ret = device_property_read_u32(dev, "cirrus,boost-ind-nanohenry", &val);
1042 	if (ret >= 0)
1043 		hw_cfg->bst_ind = val;
1044 	else
1045 		hw_cfg->bst_ind = -1;
1046 
1047 	ret = device_property_read_u32(dev, "cirrus,boost-cap-microfarad", &val);
1048 	if (ret >= 0)
1049 		hw_cfg->bst_cap = val;
1050 	else
1051 		hw_cfg->bst_cap = -1;
1052 
1053 	ret = device_property_read_u32(dev, "cirrus,asp-sdout-hiz", &val);
1054 	if (ret >= 0)
1055 		hw_cfg->dout_hiz = val;
1056 	else
1057 		hw_cfg->dout_hiz = -1;
1058 
1059 	/* GPIO1 Pin Config */
1060 	gpio1->pol_inv = device_property_read_bool(dev, "cirrus,gpio1-polarity-invert");
1061 	gpio1->out_en = device_property_read_bool(dev, "cirrus,gpio1-output-enable");
1062 	ret = device_property_read_u32(dev, "cirrus,gpio1-src-select", &val);
1063 	if (ret >= 0) {
1064 		gpio1->func = val;
1065 		gpio1->valid = true;
1066 	}
1067 
1068 	/* GPIO2 Pin Config */
1069 	gpio2->pol_inv = device_property_read_bool(dev, "cirrus,gpio2-polarity-invert");
1070 	gpio2->out_en = device_property_read_bool(dev, "cirrus,gpio2-output-enable");
1071 	ret = device_property_read_u32(dev, "cirrus,gpio2-src-select", &val);
1072 	if (ret >= 0) {
1073 		gpio2->func = val;
1074 		gpio2->valid = true;
1075 	}
1076 
1077 	hw_cfg->valid = true;
1078 
1079 	return 0;
1080 }
1081 
1082 static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
1083 {
1084 	struct wm_adsp *dsp;
1085 	uint32_t dsp1rx5_src;
1086 	int ret;
1087 
1088 	dsp = &cs35l41->dsp;
1089 	dsp->part = "cs35l41";
1090 	dsp->fw = 9; /* 9 is WM_ADSP_FW_SPK_PROT in wm_adsp.c */
1091 	dsp->toggle_preload = true;
1092 
1093 	cs35l41_configure_cs_dsp(cs35l41->dev, cs35l41->regmap, &dsp->cs_dsp);
1094 
1095 	ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap);
1096 	if (ret < 0)
1097 		return ret;
1098 
1099 	ret = wm_halo_init(dsp);
1100 	if (ret) {
1101 		dev_err(cs35l41->dev, "wm_halo_init failed: %d\n", ret);
1102 		return ret;
1103 	}
1104 
1105 	switch (cs35l41->hw_cfg.bst_type) {
1106 	case CS35L41_INT_BOOST:
1107 	case CS35L41_SHD_BOOST_ACTV:
1108 		dsp1rx5_src = CS35L41_INPUT_SRC_VPMON;
1109 		break;
1110 	case CS35L41_EXT_BOOST:
1111 	case CS35L41_SHD_BOOST_PASS:
1112 		dsp1rx5_src = CS35L41_INPUT_SRC_VBSTMON;
1113 		break;
1114 	default:
1115 		dev_err(cs35l41->dev, "wm_halo_init failed - Invalid Boost Type: %d\n",
1116 			cs35l41->hw_cfg.bst_type);
1117 		goto err_dsp;
1118 	}
1119 
1120 	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX5_SRC, dsp1rx5_src);
1121 	if (ret < 0) {
1122 		dev_err(cs35l41->dev, "Write DSP1RX5_SRC: %d failed: %d\n", dsp1rx5_src, ret);
1123 		goto err_dsp;
1124 	}
1125 	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX6_SRC, CS35L41_INPUT_SRC_VBSTMON);
1126 	if (ret < 0) {
1127 		dev_err(cs35l41->dev, "Write CS35L41_INPUT_SRC_VBSTMON failed: %d\n", ret);
1128 		goto err_dsp;
1129 	}
1130 	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX7_SRC,
1131 			   CS35L41_INPUT_SRC_TEMPMON);
1132 	if (ret < 0) {
1133 		dev_err(cs35l41->dev, "Write INPUT_SRC_TEMPMON failed: %d\n", ret);
1134 		goto err_dsp;
1135 	}
1136 	ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_RX8_SRC,
1137 			   CS35L41_INPUT_SRC_RSVD);
1138 	if (ret < 0) {
1139 		dev_err(cs35l41->dev, "Write INPUT_SRC_RSVD failed: %d\n", ret);
1140 		goto err_dsp;
1141 	}
1142 
1143 	return 0;
1144 
1145 err_dsp:
1146 	wm_adsp2_remove(dsp);
1147 
1148 	return ret;
1149 }
1150 
1151 static int cs35l41_get_system_name(struct cs35l41_private *cs35l41)
1152 {
1153 	struct acpi_device *adev = ACPI_COMPANION(cs35l41->dev);
1154 	const char *sub = NULL;
1155 	const char *tmp;
1156 	int ret = 0;
1157 
1158 	/* If there is no acpi_device, there is no ACPI for this system, skip checking ACPI */
1159 	if (adev) {
1160 		acpi_handle handle = acpi_device_handle(adev);
1161 
1162 		sub = acpi_get_subsystem_id(handle);
1163 		ret = PTR_ERR_OR_ZERO(sub);
1164 		if (ret) {
1165 			sub = NULL;
1166 			/* If no _SUB, fallback to _HID, otherwise fail */
1167 			if (ret == -ENODATA) {
1168 				tmp = acpi_device_hid(adev);
1169 				/* If dummy hid, return 0 and fallback to legacy firmware path */
1170 				if (!strcmp(tmp, "device")) {
1171 					ret = 0;
1172 					goto err;
1173 				}
1174 				sub = kstrdup(tmp, GFP_KERNEL);
1175 				if (!sub) {
1176 					ret = -ENOMEM;
1177 					goto err;
1178 				}
1179 			}
1180 		}
1181 	} else {
1182 		if (!device_property_read_string(cs35l41->dev, "cirrus,subsystem-id", &tmp)) {
1183 			sub = kstrdup(tmp, GFP_KERNEL);
1184 			if (!sub) {
1185 				ret = -ENOMEM;
1186 				goto err;
1187 			}
1188 		}
1189 	}
1190 
1191 err:
1192 	if (sub) {
1193 		cs35l41->dsp.system_name = sub;
1194 		dev_info(cs35l41->dev, "Subsystem ID: %s\n", cs35l41->dsp.system_name);
1195 	} else
1196 		dev_warn(cs35l41->dev, "Subsystem ID not found\n");
1197 
1198 	return ret;
1199 }
1200 
1201 int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg *hw_cfg)
1202 {
1203 	u32 regid, reg_revid, i, mtl_revid, int_status, chipid_match;
1204 	int irq_pol = 0;
1205 	int ret;
1206 
1207 	if (hw_cfg) {
1208 		cs35l41->hw_cfg = *hw_cfg;
1209 	} else {
1210 		ret = cs35l41_handle_pdata(cs35l41->dev, &cs35l41->hw_cfg);
1211 		if (ret != 0)
1212 			return ret;
1213 	}
1214 
1215 	for (i = 0; i < CS35L41_NUM_SUPPLIES; i++)
1216 		cs35l41->supplies[i].supply = cs35l41_supplies[i];
1217 
1218 	ret = devm_regulator_bulk_get(cs35l41->dev, CS35L41_NUM_SUPPLIES,
1219 				      cs35l41->supplies);
1220 	if (ret != 0)
1221 		return dev_err_probe(cs35l41->dev, ret,
1222 				     "Failed to request core supplies\n");
1223 
1224 	ret = regulator_bulk_enable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1225 	if (ret != 0)
1226 		return dev_err_probe(cs35l41->dev, ret,
1227 				     "Failed to enable core supplies\n");
1228 
1229 	/* returning NULL can be an option if in stereo mode */
1230 	cs35l41->reset_gpio = devm_gpiod_get_optional(cs35l41->dev, "reset",
1231 						      GPIOD_OUT_LOW);
1232 	if (IS_ERR(cs35l41->reset_gpio)) {
1233 		ret = PTR_ERR(cs35l41->reset_gpio);
1234 		cs35l41->reset_gpio = NULL;
1235 		if (ret == -EBUSY) {
1236 			dev_info(cs35l41->dev,
1237 				 "Reset line busy, assuming shared reset\n");
1238 		} else {
1239 			dev_err_probe(cs35l41->dev, ret,
1240 				      "Failed to get reset GPIO\n");
1241 			goto err;
1242 		}
1243 	}
1244 	if (cs35l41->reset_gpio) {
1245 		/* satisfy minimum reset pulse width spec */
1246 		usleep_range(2000, 2100);
1247 		gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
1248 	}
1249 
1250 	usleep_range(2000, 2100);
1251 
1252 	ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4,
1253 				       int_status, int_status & CS35L41_OTP_BOOT_DONE,
1254 				       1000, 100000);
1255 	if (ret) {
1256 		dev_err_probe(cs35l41->dev, ret,
1257 			      "Failed waiting for OTP_BOOT_DONE\n");
1258 		goto err;
1259 	}
1260 
1261 	regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_status);
1262 	if (int_status & CS35L41_OTP_BOOT_ERR) {
1263 		dev_err(cs35l41->dev, "OTP Boot error\n");
1264 		ret = -EINVAL;
1265 		goto err;
1266 	}
1267 
1268 	ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid);
1269 	if (ret < 0) {
1270 		dev_err_probe(cs35l41->dev, ret, "Get Device ID failed\n");
1271 		goto err;
1272 	}
1273 
1274 	ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid);
1275 	if (ret < 0) {
1276 		dev_err_probe(cs35l41->dev, ret, "Get Revision ID failed\n");
1277 		goto err;
1278 	}
1279 
1280 	mtl_revid = reg_revid & CS35L41_MTLREVID_MASK;
1281 
1282 	/* CS35L41 will have even MTLREVID
1283 	 * CS35L41R will have odd MTLREVID
1284 	 */
1285 	chipid_match = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
1286 	if (regid != chipid_match) {
1287 		dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n",
1288 			regid, chipid_match);
1289 		ret = -ENODEV;
1290 		goto err;
1291 	}
1292 
1293 	cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1294 
1295 	ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid);
1296 	if (ret)
1297 		goto err;
1298 
1299 	ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap);
1300 	if (ret < 0) {
1301 		dev_err_probe(cs35l41->dev, ret, "OTP Unpack failed\n");
1302 		goto err;
1303 	}
1304 
1305 	cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1306 
1307 	irq_pol = cs35l41_gpio_config(cs35l41->regmap, &cs35l41->hw_cfg);
1308 
1309 	/* Set interrupt masks for critical errors */
1310 	regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1,
1311 		     CS35L41_INT1_MASK_DEFAULT);
1312 	if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS ||
1313 	    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV)
1314 		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK3, CS35L41_INT3_PLL_LOCK_MASK,
1315 				   0 << CS35L41_INT3_PLL_LOCK_SHIFT);
1316 
1317 	ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL, cs35l41_irq,
1318 					IRQF_ONESHOT | IRQF_SHARED | irq_pol,
1319 					"cs35l41", cs35l41);
1320 	if (ret != 0) {
1321 		dev_err_probe(cs35l41->dev, ret, "Failed to request IRQ\n");
1322 		goto err;
1323 	}
1324 
1325 	ret = cs35l41_set_pdata(cs35l41);
1326 	if (ret < 0) {
1327 		dev_err_probe(cs35l41->dev, ret, "Set pdata failed\n");
1328 		goto err;
1329 	}
1330 
1331 	ret = cs35l41_get_system_name(cs35l41);
1332 	if (ret < 0)
1333 		goto err;
1334 
1335 	ret = cs35l41_dsp_init(cs35l41);
1336 	if (ret < 0)
1337 		goto err;
1338 
1339 	pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000);
1340 	pm_runtime_use_autosuspend(cs35l41->dev);
1341 	pm_runtime_set_active(cs35l41->dev);
1342 	pm_runtime_get_noresume(cs35l41->dev);
1343 	pm_runtime_enable(cs35l41->dev);
1344 
1345 	ret = devm_snd_soc_register_component(cs35l41->dev,
1346 					      &soc_component_dev_cs35l41,
1347 					      cs35l41_dai, ARRAY_SIZE(cs35l41_dai));
1348 	if (ret < 0) {
1349 		dev_err_probe(cs35l41->dev, ret, "Register codec failed\n");
1350 		goto err_pm;
1351 	}
1352 
1353 	pm_runtime_put_autosuspend(cs35l41->dev);
1354 
1355 	dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n",
1356 		 regid, reg_revid);
1357 
1358 	return 0;
1359 
1360 err_pm:
1361 	pm_runtime_dont_use_autosuspend(cs35l41->dev);
1362 	pm_runtime_disable(cs35l41->dev);
1363 	pm_runtime_put_noidle(cs35l41->dev);
1364 
1365 	wm_adsp2_remove(&cs35l41->dsp);
1366 err:
1367 	cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1368 	regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1369 	gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1370 
1371 	return ret;
1372 }
1373 EXPORT_SYMBOL_GPL(cs35l41_probe);
1374 
1375 void cs35l41_remove(struct cs35l41_private *cs35l41)
1376 {
1377 	pm_runtime_get_sync(cs35l41->dev);
1378 	pm_runtime_dont_use_autosuspend(cs35l41->dev);
1379 	pm_runtime_disable(cs35l41->dev);
1380 
1381 	regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
1382 	if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS ||
1383 	    cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV)
1384 		regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK3, CS35L41_INT3_PLL_LOCK_MASK,
1385 				   1 << CS35L41_INT3_PLL_LOCK_SHIFT);
1386 	kfree(cs35l41->dsp.system_name);
1387 	wm_adsp2_remove(&cs35l41->dsp);
1388 	cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1389 
1390 	pm_runtime_put_noidle(cs35l41->dev);
1391 
1392 	regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
1393 	gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
1394 }
1395 EXPORT_SYMBOL_GPL(cs35l41_remove);
1396 
1397 static int cs35l41_runtime_suspend(struct device *dev)
1398 {
1399 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1400 
1401 	dev_dbg(cs35l41->dev, "Runtime suspend\n");
1402 
1403 	if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1404 		return 0;
1405 
1406 	cs35l41_enter_hibernate(dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type);
1407 
1408 	regcache_cache_only(cs35l41->regmap, true);
1409 	regcache_mark_dirty(cs35l41->regmap);
1410 
1411 	return 0;
1412 }
1413 
1414 static int cs35l41_runtime_resume(struct device *dev)
1415 {
1416 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1417 	int ret;
1418 
1419 	dev_dbg(cs35l41->dev, "Runtime resume\n");
1420 
1421 	if (!cs35l41->dsp.preloaded || !cs35l41->dsp.cs_dsp.running)
1422 		return 0;
1423 
1424 	regcache_cache_only(cs35l41->regmap, false);
1425 
1426 	ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap);
1427 	if (ret)
1428 		return ret;
1429 
1430 	/* Test key needs to be unlocked to allow the OTP settings to re-apply */
1431 	cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap);
1432 	ret = regcache_sync(cs35l41->regmap);
1433 	cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap);
1434 	if (ret) {
1435 		dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret);
1436 		return ret;
1437 	}
1438 	cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg);
1439 
1440 	return 0;
1441 }
1442 
1443 static int cs35l41_sys_suspend(struct device *dev)
1444 {
1445 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1446 
1447 	dev_dbg(cs35l41->dev, "System suspend, disabling IRQ\n");
1448 	disable_irq(cs35l41->irq);
1449 
1450 	return 0;
1451 }
1452 
1453 static int cs35l41_sys_suspend_noirq(struct device *dev)
1454 {
1455 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1456 
1457 	dev_dbg(cs35l41->dev, "Late system suspend, reenabling IRQ\n");
1458 	enable_irq(cs35l41->irq);
1459 
1460 	return 0;
1461 }
1462 
1463 static int cs35l41_sys_resume_noirq(struct device *dev)
1464 {
1465 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1466 
1467 	dev_dbg(cs35l41->dev, "Early system resume, disabling IRQ\n");
1468 	disable_irq(cs35l41->irq);
1469 
1470 	return 0;
1471 }
1472 
1473 static int cs35l41_sys_resume(struct device *dev)
1474 {
1475 	struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
1476 
1477 	dev_dbg(cs35l41->dev, "System resume, reenabling IRQ\n");
1478 	enable_irq(cs35l41->irq);
1479 
1480 	return 0;
1481 }
1482 
1483 EXPORT_GPL_DEV_PM_OPS(cs35l41_pm_ops) = {
1484 	RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, NULL)
1485 
1486 	SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend, cs35l41_sys_resume)
1487 	NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l41_sys_suspend_noirq, cs35l41_sys_resume_noirq)
1488 };
1489 
1490 MODULE_DESCRIPTION("ASoC CS35L41 driver");
1491 MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
1492 MODULE_LICENSE("GPL");
1493