1 // SPDX-License-Identifier: GPL-2.0-only
3 * cs42l42.c -- CS42L42 ALSA SoC audio driver
5 * Copyright 2016 Cirrus Logic, Inc.
7 * Author: James Schulman <james.schulman@cirrus.com>
8 * Author: Brian Austin <brian.austin@cirrus.com>
9 * Author: Michael White <michael.white@cirrus.com>
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/version.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/i2c.h>
19 #include <linux/gpio.h>
20 #include <linux/regmap.h>
21 #include <linux/slab.h>
22 #include <linux/acpi.h>
23 #include <linux/platform_device.h>
24 #include <linux/property.h>
25 #include <linux/regulator/consumer.h>
26 #include <linux/gpio/consumer.h>
27 #include <linux/of_device.h>
28 #include <linux/pm_runtime.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/soc.h>
33 #include <sound/soc-dapm.h>
34 #include <sound/initval.h>
35 #include <sound/tlv.h>
36 #include <dt-bindings/sound/cs42l42.h>
39 #include "cirrus_legacy.h"
41 static const struct reg_default cs42l42_reg_defaults[] = {
42 { CS42L42_FRZ_CTL, 0x00 },
43 { CS42L42_SRC_CTL, 0x10 },
44 { CS42L42_MCLK_STATUS, 0x02 },
45 { CS42L42_MCLK_CTL, 0x02 },
46 { CS42L42_SFTRAMP_RATE, 0xA4 },
47 { CS42L42_I2C_DEBOUNCE, 0x88 },
48 { CS42L42_I2C_STRETCH, 0x03 },
49 { CS42L42_I2C_TIMEOUT, 0xB7 },
50 { CS42L42_PWR_CTL1, 0xFF },
51 { CS42L42_PWR_CTL2, 0x84 },
52 { CS42L42_PWR_CTL3, 0x20 },
53 { CS42L42_RSENSE_CTL1, 0x40 },
54 { CS42L42_RSENSE_CTL2, 0x00 },
55 { CS42L42_OSC_SWITCH, 0x00 },
56 { CS42L42_OSC_SWITCH_STATUS, 0x05 },
57 { CS42L42_RSENSE_CTL3, 0x1B },
58 { CS42L42_TSENSE_CTL, 0x1B },
59 { CS42L42_TSRS_INT_DISABLE, 0x00 },
60 { CS42L42_TRSENSE_STATUS, 0x00 },
61 { CS42L42_HSDET_CTL1, 0x77 },
62 { CS42L42_HSDET_CTL2, 0x00 },
63 { CS42L42_HS_SWITCH_CTL, 0xF3 },
64 { CS42L42_HS_DET_STATUS, 0x00 },
65 { CS42L42_HS_CLAMP_DISABLE, 0x00 },
66 { CS42L42_MCLK_SRC_SEL, 0x00 },
67 { CS42L42_SPDIF_CLK_CFG, 0x00 },
68 { CS42L42_FSYNC_PW_LOWER, 0x00 },
69 { CS42L42_FSYNC_PW_UPPER, 0x00 },
70 { CS42L42_FSYNC_P_LOWER, 0xF9 },
71 { CS42L42_FSYNC_P_UPPER, 0x00 },
72 { CS42L42_ASP_CLK_CFG, 0x00 },
73 { CS42L42_ASP_FRM_CFG, 0x10 },
74 { CS42L42_FS_RATE_EN, 0x00 },
75 { CS42L42_IN_ASRC_CLK, 0x00 },
76 { CS42L42_OUT_ASRC_CLK, 0x00 },
77 { CS42L42_PLL_DIV_CFG1, 0x00 },
78 { CS42L42_ADC_OVFL_STATUS, 0x00 },
79 { CS42L42_MIXER_STATUS, 0x00 },
80 { CS42L42_SRC_STATUS, 0x00 },
81 { CS42L42_ASP_RX_STATUS, 0x00 },
82 { CS42L42_ASP_TX_STATUS, 0x00 },
83 { CS42L42_CODEC_STATUS, 0x00 },
84 { CS42L42_DET_INT_STATUS1, 0x00 },
85 { CS42L42_DET_INT_STATUS2, 0x00 },
86 { CS42L42_SRCPL_INT_STATUS, 0x00 },
87 { CS42L42_VPMON_STATUS, 0x00 },
88 { CS42L42_PLL_LOCK_STATUS, 0x00 },
89 { CS42L42_TSRS_PLUG_STATUS, 0x00 },
90 { CS42L42_ADC_OVFL_INT_MASK, 0x01 },
91 { CS42L42_MIXER_INT_MASK, 0x0F },
92 { CS42L42_SRC_INT_MASK, 0x0F },
93 { CS42L42_ASP_RX_INT_MASK, 0x1F },
94 { CS42L42_ASP_TX_INT_MASK, 0x0F },
95 { CS42L42_CODEC_INT_MASK, 0x03 },
96 { CS42L42_SRCPL_INT_MASK, 0xFF },
97 { CS42L42_VPMON_INT_MASK, 0x01 },
98 { CS42L42_PLL_LOCK_INT_MASK, 0x01 },
99 { CS42L42_TSRS_PLUG_INT_MASK, 0x0F },
100 { CS42L42_PLL_CTL1, 0x00 },
101 { CS42L42_PLL_DIV_FRAC0, 0x00 },
102 { CS42L42_PLL_DIV_FRAC1, 0x00 },
103 { CS42L42_PLL_DIV_FRAC2, 0x00 },
104 { CS42L42_PLL_DIV_INT, 0x40 },
105 { CS42L42_PLL_CTL3, 0x10 },
106 { CS42L42_PLL_CAL_RATIO, 0x80 },
107 { CS42L42_PLL_CTL4, 0x03 },
108 { CS42L42_LOAD_DET_RCSTAT, 0x00 },
109 { CS42L42_LOAD_DET_DONE, 0x00 },
110 { CS42L42_LOAD_DET_EN, 0x00 },
111 { CS42L42_HSBIAS_SC_AUTOCTL, 0x03 },
112 { CS42L42_WAKE_CTL, 0xC0 },
113 { CS42L42_ADC_DISABLE_MUTE, 0x00 },
114 { CS42L42_TIPSENSE_CTL, 0x02 },
115 { CS42L42_MISC_DET_CTL, 0x03 },
116 { CS42L42_MIC_DET_CTL1, 0x1F },
117 { CS42L42_MIC_DET_CTL2, 0x2F },
118 { CS42L42_DET_STATUS1, 0x00 },
119 { CS42L42_DET_STATUS2, 0x00 },
120 { CS42L42_DET_INT1_MASK, 0xE0 },
121 { CS42L42_DET_INT2_MASK, 0xFF },
122 { CS42L42_HS_BIAS_CTL, 0xC2 },
123 { CS42L42_ADC_CTL, 0x00 },
124 { CS42L42_ADC_VOLUME, 0x00 },
125 { CS42L42_ADC_WNF_HPF_CTL, 0x71 },
126 { CS42L42_DAC_CTL1, 0x00 },
127 { CS42L42_DAC_CTL2, 0x02 },
128 { CS42L42_HP_CTL, 0x0D },
129 { CS42L42_CLASSH_CTL, 0x07 },
130 { CS42L42_MIXER_CHA_VOL, 0x3F },
131 { CS42L42_MIXER_ADC_VOL, 0x3F },
132 { CS42L42_MIXER_CHB_VOL, 0x3F },
133 { CS42L42_EQ_COEF_IN0, 0x22 },
134 { CS42L42_EQ_COEF_IN1, 0x00 },
135 { CS42L42_EQ_COEF_IN2, 0x00 },
136 { CS42L42_EQ_COEF_IN3, 0x00 },
137 { CS42L42_EQ_COEF_RW, 0x00 },
138 { CS42L42_EQ_COEF_OUT0, 0x00 },
139 { CS42L42_EQ_COEF_OUT1, 0x00 },
140 { CS42L42_EQ_COEF_OUT2, 0x00 },
141 { CS42L42_EQ_COEF_OUT3, 0x00 },
142 { CS42L42_EQ_INIT_STAT, 0x00 },
143 { CS42L42_EQ_START_FILT, 0x00 },
144 { CS42L42_EQ_MUTE_CTL, 0x00 },
145 { CS42L42_SP_RX_CH_SEL, 0x04 },
146 { CS42L42_SP_RX_ISOC_CTL, 0x04 },
147 { CS42L42_SP_RX_FS, 0x8C },
148 { CS42l42_SPDIF_CH_SEL, 0x0E },
149 { CS42L42_SP_TX_ISOC_CTL, 0x04 },
150 { CS42L42_SP_TX_FS, 0xCC },
151 { CS42L42_SPDIF_SW_CTL1, 0x3F },
152 { CS42L42_SRC_SDIN_FS, 0x40 },
153 { CS42L42_SRC_SDOUT_FS, 0x40 },
154 { CS42L42_SPDIF_CTL1, 0x01 },
155 { CS42L42_SPDIF_CTL2, 0x00 },
156 { CS42L42_SPDIF_CTL3, 0x00 },
157 { CS42L42_SPDIF_CTL4, 0x42 },
158 { CS42L42_ASP_TX_SZ_EN, 0x00 },
159 { CS42L42_ASP_TX_CH_EN, 0x00 },
160 { CS42L42_ASP_TX_CH_AP_RES, 0x0F },
161 { CS42L42_ASP_TX_CH1_BIT_MSB, 0x00 },
162 { CS42L42_ASP_TX_CH1_BIT_LSB, 0x00 },
163 { CS42L42_ASP_TX_HIZ_DLY_CFG, 0x00 },
164 { CS42L42_ASP_TX_CH2_BIT_MSB, 0x00 },
165 { CS42L42_ASP_TX_CH2_BIT_LSB, 0x00 },
166 { CS42L42_ASP_RX_DAI0_EN, 0x00 },
167 { CS42L42_ASP_RX_DAI0_CH1_AP_RES, 0x03 },
168 { CS42L42_ASP_RX_DAI0_CH1_BIT_MSB, 0x00 },
169 { CS42L42_ASP_RX_DAI0_CH1_BIT_LSB, 0x00 },
170 { CS42L42_ASP_RX_DAI0_CH2_AP_RES, 0x03 },
171 { CS42L42_ASP_RX_DAI0_CH2_BIT_MSB, 0x00 },
172 { CS42L42_ASP_RX_DAI0_CH2_BIT_LSB, 0x00 },
173 { CS42L42_ASP_RX_DAI0_CH3_AP_RES, 0x03 },
174 { CS42L42_ASP_RX_DAI0_CH3_BIT_MSB, 0x00 },
175 { CS42L42_ASP_RX_DAI0_CH3_BIT_LSB, 0x00 },
176 { CS42L42_ASP_RX_DAI0_CH4_AP_RES, 0x03 },
177 { CS42L42_ASP_RX_DAI0_CH4_BIT_MSB, 0x00 },
178 { CS42L42_ASP_RX_DAI0_CH4_BIT_LSB, 0x00 },
179 { CS42L42_ASP_RX_DAI1_CH1_AP_RES, 0x03 },
180 { CS42L42_ASP_RX_DAI1_CH1_BIT_MSB, 0x00 },
181 { CS42L42_ASP_RX_DAI1_CH1_BIT_LSB, 0x00 },
182 { CS42L42_ASP_RX_DAI1_CH2_AP_RES, 0x03 },
183 { CS42L42_ASP_RX_DAI1_CH2_BIT_MSB, 0x00 },
184 { CS42L42_ASP_RX_DAI1_CH2_BIT_LSB, 0x00 },
185 { CS42L42_SUB_REVID, 0x03 },
188 static bool cs42l42_readable_register(struct device *dev, unsigned int reg)
191 case CS42L42_PAGE_REGISTER:
192 case CS42L42_DEVID_AB:
193 case CS42L42_DEVID_CD:
194 case CS42L42_DEVID_E:
197 case CS42L42_FRZ_CTL:
198 case CS42L42_SRC_CTL:
199 case CS42L42_MCLK_STATUS:
200 case CS42L42_MCLK_CTL:
201 case CS42L42_SFTRAMP_RATE:
202 case CS42L42_I2C_DEBOUNCE:
203 case CS42L42_I2C_STRETCH:
204 case CS42L42_I2C_TIMEOUT:
205 case CS42L42_PWR_CTL1:
206 case CS42L42_PWR_CTL2:
207 case CS42L42_PWR_CTL3:
208 case CS42L42_RSENSE_CTL1:
209 case CS42L42_RSENSE_CTL2:
210 case CS42L42_OSC_SWITCH:
211 case CS42L42_OSC_SWITCH_STATUS:
212 case CS42L42_RSENSE_CTL3:
213 case CS42L42_TSENSE_CTL:
214 case CS42L42_TSRS_INT_DISABLE:
215 case CS42L42_TRSENSE_STATUS:
216 case CS42L42_HSDET_CTL1:
217 case CS42L42_HSDET_CTL2:
218 case CS42L42_HS_SWITCH_CTL:
219 case CS42L42_HS_DET_STATUS:
220 case CS42L42_HS_CLAMP_DISABLE:
221 case CS42L42_MCLK_SRC_SEL:
222 case CS42L42_SPDIF_CLK_CFG:
223 case CS42L42_FSYNC_PW_LOWER:
224 case CS42L42_FSYNC_PW_UPPER:
225 case CS42L42_FSYNC_P_LOWER:
226 case CS42L42_FSYNC_P_UPPER:
227 case CS42L42_ASP_CLK_CFG:
228 case CS42L42_ASP_FRM_CFG:
229 case CS42L42_FS_RATE_EN:
230 case CS42L42_IN_ASRC_CLK:
231 case CS42L42_OUT_ASRC_CLK:
232 case CS42L42_PLL_DIV_CFG1:
233 case CS42L42_ADC_OVFL_STATUS:
234 case CS42L42_MIXER_STATUS:
235 case CS42L42_SRC_STATUS:
236 case CS42L42_ASP_RX_STATUS:
237 case CS42L42_ASP_TX_STATUS:
238 case CS42L42_CODEC_STATUS:
239 case CS42L42_DET_INT_STATUS1:
240 case CS42L42_DET_INT_STATUS2:
241 case CS42L42_SRCPL_INT_STATUS:
242 case CS42L42_VPMON_STATUS:
243 case CS42L42_PLL_LOCK_STATUS:
244 case CS42L42_TSRS_PLUG_STATUS:
245 case CS42L42_ADC_OVFL_INT_MASK:
246 case CS42L42_MIXER_INT_MASK:
247 case CS42L42_SRC_INT_MASK:
248 case CS42L42_ASP_RX_INT_MASK:
249 case CS42L42_ASP_TX_INT_MASK:
250 case CS42L42_CODEC_INT_MASK:
251 case CS42L42_SRCPL_INT_MASK:
252 case CS42L42_VPMON_INT_MASK:
253 case CS42L42_PLL_LOCK_INT_MASK:
254 case CS42L42_TSRS_PLUG_INT_MASK:
255 case CS42L42_PLL_CTL1:
256 case CS42L42_PLL_DIV_FRAC0:
257 case CS42L42_PLL_DIV_FRAC1:
258 case CS42L42_PLL_DIV_FRAC2:
259 case CS42L42_PLL_DIV_INT:
260 case CS42L42_PLL_CTL3:
261 case CS42L42_PLL_CAL_RATIO:
262 case CS42L42_PLL_CTL4:
263 case CS42L42_LOAD_DET_RCSTAT:
264 case CS42L42_LOAD_DET_DONE:
265 case CS42L42_LOAD_DET_EN:
266 case CS42L42_HSBIAS_SC_AUTOCTL:
267 case CS42L42_WAKE_CTL:
268 case CS42L42_ADC_DISABLE_MUTE:
269 case CS42L42_TIPSENSE_CTL:
270 case CS42L42_MISC_DET_CTL:
271 case CS42L42_MIC_DET_CTL1:
272 case CS42L42_MIC_DET_CTL2:
273 case CS42L42_DET_STATUS1:
274 case CS42L42_DET_STATUS2:
275 case CS42L42_DET_INT1_MASK:
276 case CS42L42_DET_INT2_MASK:
277 case CS42L42_HS_BIAS_CTL:
278 case CS42L42_ADC_CTL:
279 case CS42L42_ADC_VOLUME:
280 case CS42L42_ADC_WNF_HPF_CTL:
281 case CS42L42_DAC_CTL1:
282 case CS42L42_DAC_CTL2:
284 case CS42L42_CLASSH_CTL:
285 case CS42L42_MIXER_CHA_VOL:
286 case CS42L42_MIXER_ADC_VOL:
287 case CS42L42_MIXER_CHB_VOL:
288 case CS42L42_EQ_COEF_IN0:
289 case CS42L42_EQ_COEF_IN1:
290 case CS42L42_EQ_COEF_IN2:
291 case CS42L42_EQ_COEF_IN3:
292 case CS42L42_EQ_COEF_RW:
293 case CS42L42_EQ_COEF_OUT0:
294 case CS42L42_EQ_COEF_OUT1:
295 case CS42L42_EQ_COEF_OUT2:
296 case CS42L42_EQ_COEF_OUT3:
297 case CS42L42_EQ_INIT_STAT:
298 case CS42L42_EQ_START_FILT:
299 case CS42L42_EQ_MUTE_CTL:
300 case CS42L42_SP_RX_CH_SEL:
301 case CS42L42_SP_RX_ISOC_CTL:
302 case CS42L42_SP_RX_FS:
303 case CS42l42_SPDIF_CH_SEL:
304 case CS42L42_SP_TX_ISOC_CTL:
305 case CS42L42_SP_TX_FS:
306 case CS42L42_SPDIF_SW_CTL1:
307 case CS42L42_SRC_SDIN_FS:
308 case CS42L42_SRC_SDOUT_FS:
309 case CS42L42_SPDIF_CTL1:
310 case CS42L42_SPDIF_CTL2:
311 case CS42L42_SPDIF_CTL3:
312 case CS42L42_SPDIF_CTL4:
313 case CS42L42_ASP_TX_SZ_EN:
314 case CS42L42_ASP_TX_CH_EN:
315 case CS42L42_ASP_TX_CH_AP_RES:
316 case CS42L42_ASP_TX_CH1_BIT_MSB:
317 case CS42L42_ASP_TX_CH1_BIT_LSB:
318 case CS42L42_ASP_TX_HIZ_DLY_CFG:
319 case CS42L42_ASP_TX_CH2_BIT_MSB:
320 case CS42L42_ASP_TX_CH2_BIT_LSB:
321 case CS42L42_ASP_RX_DAI0_EN:
322 case CS42L42_ASP_RX_DAI0_CH1_AP_RES:
323 case CS42L42_ASP_RX_DAI0_CH1_BIT_MSB:
324 case CS42L42_ASP_RX_DAI0_CH1_BIT_LSB:
325 case CS42L42_ASP_RX_DAI0_CH2_AP_RES:
326 case CS42L42_ASP_RX_DAI0_CH2_BIT_MSB:
327 case CS42L42_ASP_RX_DAI0_CH2_BIT_LSB:
328 case CS42L42_ASP_RX_DAI0_CH3_AP_RES:
329 case CS42L42_ASP_RX_DAI0_CH3_BIT_MSB:
330 case CS42L42_ASP_RX_DAI0_CH3_BIT_LSB:
331 case CS42L42_ASP_RX_DAI0_CH4_AP_RES:
332 case CS42L42_ASP_RX_DAI0_CH4_BIT_MSB:
333 case CS42L42_ASP_RX_DAI0_CH4_BIT_LSB:
334 case CS42L42_ASP_RX_DAI1_CH1_AP_RES:
335 case CS42L42_ASP_RX_DAI1_CH1_BIT_MSB:
336 case CS42L42_ASP_RX_DAI1_CH1_BIT_LSB:
337 case CS42L42_ASP_RX_DAI1_CH2_AP_RES:
338 case CS42L42_ASP_RX_DAI1_CH2_BIT_MSB:
339 case CS42L42_ASP_RX_DAI1_CH2_BIT_LSB:
340 case CS42L42_SUB_REVID:
347 static bool cs42l42_volatile_register(struct device *dev, unsigned int reg)
350 case CS42L42_DEVID_AB:
351 case CS42L42_DEVID_CD:
352 case CS42L42_DEVID_E:
353 case CS42L42_MCLK_STATUS:
354 case CS42L42_TRSENSE_STATUS:
355 case CS42L42_HS_DET_STATUS:
356 case CS42L42_ADC_OVFL_STATUS:
357 case CS42L42_MIXER_STATUS:
358 case CS42L42_SRC_STATUS:
359 case CS42L42_ASP_RX_STATUS:
360 case CS42L42_ASP_TX_STATUS:
361 case CS42L42_CODEC_STATUS:
362 case CS42L42_DET_INT_STATUS1:
363 case CS42L42_DET_INT_STATUS2:
364 case CS42L42_SRCPL_INT_STATUS:
365 case CS42L42_VPMON_STATUS:
366 case CS42L42_PLL_LOCK_STATUS:
367 case CS42L42_TSRS_PLUG_STATUS:
368 case CS42L42_LOAD_DET_RCSTAT:
369 case CS42L42_LOAD_DET_DONE:
370 case CS42L42_DET_STATUS1:
371 case CS42L42_DET_STATUS2:
378 static const struct regmap_range_cfg cs42l42_page_range = {
381 .range_max = CS42L42_MAX_REGISTER,
382 .selector_reg = CS42L42_PAGE_REGISTER,
383 .selector_mask = 0xff,
389 static const struct regmap_config cs42l42_regmap = {
393 .readable_reg = cs42l42_readable_register,
394 .volatile_reg = cs42l42_volatile_register,
396 .ranges = &cs42l42_page_range,
399 .max_register = CS42L42_MAX_REGISTER,
400 .reg_defaults = cs42l42_reg_defaults,
401 .num_reg_defaults = ARRAY_SIZE(cs42l42_reg_defaults),
402 .cache_type = REGCACHE_RBTREE,
404 .use_single_read = true,
405 .use_single_write = true,
408 static DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 100, true);
409 static DECLARE_TLV_DB_SCALE(mixer_tlv, -6300, 100, true);
411 static const char * const cs42l42_hpf_freq_text[] = {
412 "1.86Hz", "120Hz", "235Hz", "466Hz"
415 static SOC_ENUM_SINGLE_DECL(cs42l42_hpf_freq_enum, CS42L42_ADC_WNF_HPF_CTL,
416 CS42L42_ADC_HPF_CF_SHIFT,
417 cs42l42_hpf_freq_text);
419 static const char * const cs42l42_wnf3_freq_text[] = {
420 "160Hz", "180Hz", "200Hz", "220Hz",
421 "240Hz", "260Hz", "280Hz", "300Hz"
424 static SOC_ENUM_SINGLE_DECL(cs42l42_wnf3_freq_enum, CS42L42_ADC_WNF_HPF_CTL,
425 CS42L42_ADC_WNF_CF_SHIFT,
426 cs42l42_wnf3_freq_text);
428 static const struct snd_kcontrol_new cs42l42_snd_controls[] = {
429 /* ADC Volume and Filter Controls */
430 SOC_SINGLE("ADC Notch Switch", CS42L42_ADC_CTL,
431 CS42L42_ADC_NOTCH_DIS_SHIFT, true, true),
432 SOC_SINGLE("ADC Weak Force Switch", CS42L42_ADC_CTL,
433 CS42L42_ADC_FORCE_WEAK_VCM_SHIFT, true, false),
434 SOC_SINGLE("ADC Invert Switch", CS42L42_ADC_CTL,
435 CS42L42_ADC_INV_SHIFT, true, false),
436 SOC_SINGLE("ADC Boost Switch", CS42L42_ADC_CTL,
437 CS42L42_ADC_DIG_BOOST_SHIFT, true, false),
438 SOC_SINGLE_S8_TLV("ADC Volume", CS42L42_ADC_VOLUME, -97, 12, adc_tlv),
439 SOC_SINGLE("ADC WNF Switch", CS42L42_ADC_WNF_HPF_CTL,
440 CS42L42_ADC_WNF_EN_SHIFT, true, false),
441 SOC_SINGLE("ADC HPF Switch", CS42L42_ADC_WNF_HPF_CTL,
442 CS42L42_ADC_HPF_EN_SHIFT, true, false),
443 SOC_ENUM("HPF Corner Freq", cs42l42_hpf_freq_enum),
444 SOC_ENUM("WNF 3dB Freq", cs42l42_wnf3_freq_enum),
446 /* DAC Volume and Filter Controls */
447 SOC_SINGLE("DACA Invert Switch", CS42L42_DAC_CTL1,
448 CS42L42_DACA_INV_SHIFT, true, false),
449 SOC_SINGLE("DACB Invert Switch", CS42L42_DAC_CTL1,
450 CS42L42_DACB_INV_SHIFT, true, false),
451 SOC_SINGLE("DAC HPF Switch", CS42L42_DAC_CTL2,
452 CS42L42_DAC_HPF_EN_SHIFT, true, false),
453 SOC_DOUBLE_R_TLV("Mixer Volume", CS42L42_MIXER_CHA_VOL,
454 CS42L42_MIXER_CHB_VOL, CS42L42_MIXER_CH_VOL_SHIFT,
458 static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = {
460 SND_SOC_DAPM_OUTPUT("HP"),
461 SND_SOC_DAPM_DAC("DAC", NULL, CS42L42_PWR_CTL1, CS42L42_HP_PDN_SHIFT, 1),
462 SND_SOC_DAPM_MIXER("MIXER", CS42L42_PWR_CTL1, CS42L42_MIXER_PDN_SHIFT, 1, NULL, 0),
463 SND_SOC_DAPM_AIF_IN("SDIN1", NULL, 0, SND_SOC_NOPM, 0, 0),
464 SND_SOC_DAPM_AIF_IN("SDIN2", NULL, 1, SND_SOC_NOPM, 0, 0),
466 /* Playback Requirements */
467 SND_SOC_DAPM_SUPPLY("ASP DAI0", CS42L42_PWR_CTL1, CS42L42_ASP_DAI_PDN_SHIFT, 1, NULL, 0),
470 SND_SOC_DAPM_INPUT("HS"),
471 SND_SOC_DAPM_ADC("ADC", NULL, CS42L42_PWR_CTL1, CS42L42_ADC_PDN_SHIFT, 1),
472 SND_SOC_DAPM_AIF_OUT("SDOUT1", NULL, 0, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH1_SHIFT, 0),
473 SND_SOC_DAPM_AIF_OUT("SDOUT2", NULL, 1, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH2_SHIFT, 0),
475 /* Capture Requirements */
476 SND_SOC_DAPM_SUPPLY("ASP DAO0", CS42L42_PWR_CTL1, CS42L42_ASP_DAO_PDN_SHIFT, 1, NULL, 0),
477 SND_SOC_DAPM_SUPPLY("ASP TX EN", CS42L42_ASP_TX_SZ_EN, CS42L42_ASP_TX_EN_SHIFT, 0, NULL, 0),
479 /* Playback/Capture Requirements */
480 SND_SOC_DAPM_SUPPLY("SCLK", CS42L42_ASP_CLK_CFG, CS42L42_ASP_SCLK_EN_SHIFT, 0, NULL, 0),
483 static const struct snd_soc_dapm_route cs42l42_audio_map[] = {
486 {"DAC", NULL, "MIXER"},
487 {"MIXER", NULL, "SDIN1"},
488 {"MIXER", NULL, "SDIN2"},
489 {"SDIN1", NULL, "Playback"},
490 {"SDIN2", NULL, "Playback"},
492 /* Playback Requirements */
493 {"SDIN1", NULL, "ASP DAI0"},
494 {"SDIN2", NULL, "ASP DAI0"},
495 {"SDIN1", NULL, "SCLK"},
496 {"SDIN2", NULL, "SCLK"},
500 { "SDOUT1", NULL, "ADC" },
501 { "SDOUT2", NULL, "ADC" },
502 { "Capture", NULL, "SDOUT1" },
503 { "Capture", NULL, "SDOUT2" },
505 /* Capture Requirements */
506 { "SDOUT1", NULL, "ASP DAO0" },
507 { "SDOUT2", NULL, "ASP DAO0" },
508 { "SDOUT1", NULL, "SCLK" },
509 { "SDOUT2", NULL, "SCLK" },
510 { "SDOUT1", NULL, "ASP TX EN" },
511 { "SDOUT2", NULL, "ASP TX EN" },
514 static int cs42l42_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jk, void *d)
516 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
520 regmap_update_bits(cs42l42->regmap, CS42L42_TSRS_PLUG_INT_MASK,
521 CS42L42_RS_PLUG_MASK | CS42L42_RS_UNPLUG_MASK |
522 CS42L42_TS_PLUG_MASK | CS42L42_TS_UNPLUG_MASK,
523 (1 << CS42L42_RS_PLUG_SHIFT) | (1 << CS42L42_RS_UNPLUG_SHIFT) |
524 (0 << CS42L42_TS_PLUG_SHIFT) | (0 << CS42L42_TS_UNPLUG_SHIFT));
529 static int cs42l42_component_probe(struct snd_soc_component *component)
531 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
533 cs42l42->component = component;
538 static const struct snd_soc_component_driver soc_component_dev_cs42l42 = {
539 .probe = cs42l42_component_probe,
540 .set_jack = cs42l42_set_jack,
541 .dapm_widgets = cs42l42_dapm_widgets,
542 .num_dapm_widgets = ARRAY_SIZE(cs42l42_dapm_widgets),
543 .dapm_routes = cs42l42_audio_map,
544 .num_dapm_routes = ARRAY_SIZE(cs42l42_audio_map),
545 .controls = cs42l42_snd_controls,
546 .num_controls = ARRAY_SIZE(cs42l42_snd_controls),
549 .non_legacy_dai_naming = 1,
552 /* Switch to SCLK. Atomic delay after the write to allow the switch to complete. */
553 static const struct reg_sequence cs42l42_to_sclk_seq[] = {
555 .reg = CS42L42_OSC_SWITCH,
556 .def = CS42L42_SCLK_PRESENT_MASK,
557 .delay_us = CS42L42_CLOCK_SWITCH_DELAY_US,
561 /* Switch to OSC. Atomic delay after the write to allow the switch to complete. */
562 static const struct reg_sequence cs42l42_to_osc_seq[] = {
564 .reg = CS42L42_OSC_SWITCH,
566 .delay_us = CS42L42_CLOCK_SWITCH_DELAY_US,
570 struct cs42l42_pll_params {
585 * Common PLL Settings for given SCLK
586 * Table 4-5 from the Datasheet
588 static const struct cs42l42_pll_params pll_ratio_table[] = {
589 { 1411200, 0, 1, 0x00, 0x80, 0x000000, 0x03, 0x10, 11289600, 128, 2},
590 { 1536000, 0, 1, 0x00, 0x7D, 0x000000, 0x03, 0x10, 12000000, 125, 2},
591 { 2304000, 0, 1, 0x00, 0x55, 0xC00000, 0x02, 0x10, 12288000, 85, 2},
592 { 2400000, 0, 1, 0x00, 0x50, 0x000000, 0x03, 0x10, 12000000, 80, 2},
593 { 2822400, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 11289600, 128, 1},
594 { 3000000, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 12000000, 128, 1},
595 { 3072000, 0, 1, 0x00, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125, 1},
596 { 4000000, 0, 1, 0x00, 0x30, 0x800000, 0x03, 0x10, 12000000, 96, 1},
597 { 4096000, 0, 1, 0x00, 0x2E, 0xE00000, 0x03, 0x10, 12000000, 94, 1},
598 { 5644800, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 11289600, 128, 1},
599 { 6000000, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 12000000, 128, 1},
600 { 6144000, 0, 1, 0x01, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125, 1},
601 { 11289600, 0, 0, 0, 0, 0, 0, 0, 11289600, 0, 1},
602 { 12000000, 0, 0, 0, 0, 0, 0, 0, 12000000, 0, 1},
603 { 12288000, 0, 0, 0, 0, 0, 0, 0, 12288000, 0, 1},
604 { 22579200, 1, 0, 0, 0, 0, 0, 0, 22579200, 0, 1},
605 { 24000000, 1, 0, 0, 0, 0, 0, 0, 24000000, 0, 1},
606 { 24576000, 1, 0, 0, 0, 0, 0, 0, 24576000, 0, 1}
609 static int cs42l42_pll_config(struct snd_soc_component *component)
611 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
621 for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
622 if (pll_ratio_table[i].sclk == clk) {
623 cs42l42->pll_config = i;
625 /* Configure the internal sample rate */
626 snd_soc_component_update_bits(component, CS42L42_MCLK_CTL,
627 CS42L42_INTERNAL_FS_MASK,
628 ((pll_ratio_table[i].mclk_int !=
630 (pll_ratio_table[i].mclk_int !=
632 CS42L42_INTERNAL_FS_SHIFT);
634 snd_soc_component_update_bits(component, CS42L42_MCLK_SRC_SEL,
635 CS42L42_MCLKDIV_MASK,
636 (pll_ratio_table[i].mclk_div <<
637 CS42L42_MCLKDIV_SHIFT));
638 /* Set up the LRCLK */
639 fsync = clk / cs42l42->srate;
640 if (((fsync * cs42l42->srate) != clk)
641 || ((fsync % 2) != 0)) {
642 dev_err(component->dev,
643 "Unsupported sclk %d/sample rate %d\n",
648 /* Set the LRCLK period */
649 snd_soc_component_update_bits(component,
650 CS42L42_FSYNC_P_LOWER,
651 CS42L42_FSYNC_PERIOD_MASK,
652 CS42L42_FRAC0_VAL(fsync - 1) <<
653 CS42L42_FSYNC_PERIOD_SHIFT);
654 snd_soc_component_update_bits(component,
655 CS42L42_FSYNC_P_UPPER,
656 CS42L42_FSYNC_PERIOD_MASK,
657 CS42L42_FRAC1_VAL(fsync - 1) <<
658 CS42L42_FSYNC_PERIOD_SHIFT);
659 /* Set the LRCLK to 50% duty cycle */
661 snd_soc_component_update_bits(component,
662 CS42L42_FSYNC_PW_LOWER,
663 CS42L42_FSYNC_PULSE_WIDTH_MASK,
664 CS42L42_FRAC0_VAL(fsync - 1) <<
665 CS42L42_FSYNC_PULSE_WIDTH_SHIFT);
666 snd_soc_component_update_bits(component,
667 CS42L42_FSYNC_PW_UPPER,
668 CS42L42_FSYNC_PULSE_WIDTH_MASK,
669 CS42L42_FRAC1_VAL(fsync - 1) <<
670 CS42L42_FSYNC_PULSE_WIDTH_SHIFT);
671 /* Set the sample rates (96k or lower) */
672 snd_soc_component_update_bits(component, CS42L42_FS_RATE_EN,
674 (CS42L42_FS_EN_IASRC_96K |
675 CS42L42_FS_EN_OASRC_96K) <<
676 CS42L42_FS_EN_SHIFT);
677 /* Set the input/output internal MCLK clock ~12 MHz */
678 snd_soc_component_update_bits(component, CS42L42_IN_ASRC_CLK,
679 CS42L42_CLK_IASRC_SEL_MASK,
680 CS42L42_CLK_IASRC_SEL_12 <<
681 CS42L42_CLK_IASRC_SEL_SHIFT);
682 snd_soc_component_update_bits(component,
683 CS42L42_OUT_ASRC_CLK,
684 CS42L42_CLK_OASRC_SEL_MASK,
685 CS42L42_CLK_OASRC_SEL_12 <<
686 CS42L42_CLK_OASRC_SEL_SHIFT);
687 if (pll_ratio_table[i].mclk_src_sel == 0) {
688 /* Pass the clock straight through */
689 snd_soc_component_update_bits(component,
691 CS42L42_PLL_START_MASK, 0);
693 /* Configure PLL per table 4-5 */
694 snd_soc_component_update_bits(component,
695 CS42L42_PLL_DIV_CFG1,
696 CS42L42_SCLK_PREDIV_MASK,
697 pll_ratio_table[i].sclk_prediv
698 << CS42L42_SCLK_PREDIV_SHIFT);
699 snd_soc_component_update_bits(component,
701 CS42L42_PLL_DIV_INT_MASK,
702 pll_ratio_table[i].pll_div_int
703 << CS42L42_PLL_DIV_INT_SHIFT);
704 snd_soc_component_update_bits(component,
705 CS42L42_PLL_DIV_FRAC0,
706 CS42L42_PLL_DIV_FRAC_MASK,
708 pll_ratio_table[i].pll_div_frac)
709 << CS42L42_PLL_DIV_FRAC_SHIFT);
710 snd_soc_component_update_bits(component,
711 CS42L42_PLL_DIV_FRAC1,
712 CS42L42_PLL_DIV_FRAC_MASK,
714 pll_ratio_table[i].pll_div_frac)
715 << CS42L42_PLL_DIV_FRAC_SHIFT);
716 snd_soc_component_update_bits(component,
717 CS42L42_PLL_DIV_FRAC2,
718 CS42L42_PLL_DIV_FRAC_MASK,
720 pll_ratio_table[i].pll_div_frac)
721 << CS42L42_PLL_DIV_FRAC_SHIFT);
722 snd_soc_component_update_bits(component,
724 CS42L42_PLL_MODE_MASK,
725 pll_ratio_table[i].pll_mode
726 << CS42L42_PLL_MODE_SHIFT);
727 snd_soc_component_update_bits(component,
729 CS42L42_PLL_DIVOUT_MASK,
730 (pll_ratio_table[i].pll_divout * pll_ratio_table[i].n)
731 << CS42L42_PLL_DIVOUT_SHIFT);
732 if (pll_ratio_table[i].n != 1)
733 cs42l42->pll_divout = pll_ratio_table[i].pll_divout;
735 cs42l42->pll_divout = 0;
736 snd_soc_component_update_bits(component,
737 CS42L42_PLL_CAL_RATIO,
738 CS42L42_PLL_CAL_RATIO_MASK,
739 pll_ratio_table[i].pll_cal_ratio
740 << CS42L42_PLL_CAL_RATIO_SHIFT);
749 static int cs42l42_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
751 struct snd_soc_component *component = codec_dai->component;
754 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
755 case SND_SOC_DAIFMT_CBS_CFM:
756 asp_cfg_val |= CS42L42_ASP_MASTER_MODE <<
757 CS42L42_ASP_MODE_SHIFT;
759 case SND_SOC_DAIFMT_CBS_CFS:
760 asp_cfg_val |= CS42L42_ASP_SLAVE_MODE <<
761 CS42L42_ASP_MODE_SHIFT;
767 /* interface format */
768 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
769 case SND_SOC_DAIFMT_I2S:
771 * 5050 mode, frame starts on falling edge of LRCLK,
772 * frame delayed by 1.0 SCLKs
774 snd_soc_component_update_bits(component,
776 CS42L42_ASP_STP_MASK |
777 CS42L42_ASP_5050_MASK |
778 CS42L42_ASP_FSD_MASK,
779 CS42L42_ASP_5050_MASK |
780 (CS42L42_ASP_FSD_1_0 <<
781 CS42L42_ASP_FSD_SHIFT));
787 /* Bitclock/frame inversion */
788 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
789 case SND_SOC_DAIFMT_NB_NF:
790 asp_cfg_val |= CS42L42_ASP_SCPOL_NOR << CS42L42_ASP_SCPOL_SHIFT;
792 case SND_SOC_DAIFMT_NB_IF:
793 asp_cfg_val |= CS42L42_ASP_SCPOL_NOR << CS42L42_ASP_SCPOL_SHIFT;
794 asp_cfg_val |= CS42L42_ASP_LCPOL_INV << CS42L42_ASP_LCPOL_SHIFT;
796 case SND_SOC_DAIFMT_IB_NF:
798 case SND_SOC_DAIFMT_IB_IF:
799 asp_cfg_val |= CS42L42_ASP_LCPOL_INV << CS42L42_ASP_LCPOL_SHIFT;
803 snd_soc_component_update_bits(component, CS42L42_ASP_CLK_CFG, CS42L42_ASP_MODE_MASK |
804 CS42L42_ASP_SCPOL_MASK |
805 CS42L42_ASP_LCPOL_MASK,
811 static int cs42l42_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
813 struct snd_soc_component *component = dai->component;
814 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
817 * Sample rates < 44.1 kHz would produce an out-of-range SCLK with
818 * a standard I2S frame. If the machine driver sets SCLK it must be
824 /* Machine driver has not set a SCLK, limit bottom end to 44.1 kHz */
825 return snd_pcm_hw_constraint_minmax(substream->runtime,
826 SNDRV_PCM_HW_PARAM_RATE,
830 static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream,
831 struct snd_pcm_hw_params *params,
832 struct snd_soc_dai *dai)
834 struct snd_soc_component *component = dai->component;
835 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
836 unsigned int channels = params_channels(params);
837 unsigned int width = (params_width(params) / 8) - 1;
838 unsigned int val = 0;
840 cs42l42->srate = params_rate(params);
841 cs42l42->bclk = snd_soc_params_to_bclk(params);
843 /* I2S frame always has 2 channels even for mono audio */
848 * Assume 24-bit samples are in 32-bit slots, to prevent SCLK being
849 * more than assumed (which would result in overclocking).
851 if (params_width(params) == 24)
852 cs42l42->bclk = (cs42l42->bclk / 3) * 4;
854 switch(substream->stream) {
855 case SNDRV_PCM_STREAM_CAPTURE:
857 val |= CS42L42_ASP_TX_CH2_AP_MASK;
858 val |= width << CS42L42_ASP_TX_CH2_RES_SHIFT;
860 val |= width << CS42L42_ASP_TX_CH1_RES_SHIFT;
862 snd_soc_component_update_bits(component, CS42L42_ASP_TX_CH_AP_RES,
863 CS42L42_ASP_TX_CH1_AP_MASK | CS42L42_ASP_TX_CH2_AP_MASK |
864 CS42L42_ASP_TX_CH2_RES_MASK | CS42L42_ASP_TX_CH1_RES_MASK, val);
866 case SNDRV_PCM_STREAM_PLAYBACK:
867 val |= width << CS42L42_ASP_RX_CH_RES_SHIFT;
868 /* channel 1 on low LRCLK */
869 snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_CH1_AP_RES,
870 CS42L42_ASP_RX_CH_AP_MASK |
871 CS42L42_ASP_RX_CH_RES_MASK, val);
872 /* Channel 2 on high LRCLK */
873 val |= CS42L42_ASP_RX_CH_AP_HI << CS42L42_ASP_RX_CH_AP_SHIFT;
874 snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_CH2_AP_RES,
875 CS42L42_ASP_RX_CH_AP_MASK |
876 CS42L42_ASP_RX_CH_RES_MASK, val);
878 /* Channel B comes from the last active channel */
879 snd_soc_component_update_bits(component, CS42L42_SP_RX_CH_SEL,
880 CS42L42_SP_RX_CHB_SEL_MASK,
881 (channels - 1) << CS42L42_SP_RX_CHB_SEL_SHIFT);
883 /* Both LRCLK slots must be enabled */
884 snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN,
885 CS42L42_ASP_RX0_CH_EN_MASK,
886 BIT(CS42L42_ASP_RX0_CH1_SHIFT) |
887 BIT(CS42L42_ASP_RX0_CH2_SHIFT));
893 return cs42l42_pll_config(component);
896 static int cs42l42_set_sysclk(struct snd_soc_dai *dai,
897 int clk_id, unsigned int freq, int dir)
899 struct snd_soc_component *component = dai->component;
900 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
908 for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
909 if (pll_ratio_table[i].sclk == freq) {
910 cs42l42->sclk = freq;
915 dev_err(component->dev, "SCLK %u not supported\n", freq);
920 static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
922 struct snd_soc_component *component = dai->component;
923 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
929 /* Mute the headphone */
930 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
931 snd_soc_component_update_bits(component, CS42L42_HP_CTL,
932 CS42L42_HP_ANA_AMUTE_MASK |
933 CS42L42_HP_ANA_BMUTE_MASK,
934 CS42L42_HP_ANA_AMUTE_MASK |
935 CS42L42_HP_ANA_BMUTE_MASK);
937 cs42l42->stream_use &= ~(1 << stream);
938 if(!cs42l42->stream_use) {
940 * Switch to the internal oscillator.
941 * SCLK must remain running until after this clock switch.
942 * Without a source of clock the I2C bus doesn't work.
944 regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_osc_seq,
945 ARRAY_SIZE(cs42l42_to_osc_seq));
947 /* Must disconnect PLL before stopping it */
948 snd_soc_component_update_bits(component,
949 CS42L42_MCLK_SRC_SEL,
950 CS42L42_MCLK_SRC_SEL_MASK,
952 usleep_range(100, 200);
954 snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
955 CS42L42_PLL_START_MASK, 0);
958 if (!cs42l42->stream_use) {
959 /* SCLK must be running before codec unmute */
960 if (pll_ratio_table[cs42l42->pll_config].mclk_src_sel) {
961 snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
962 CS42L42_PLL_START_MASK, 1);
964 if (cs42l42->pll_divout) {
965 usleep_range(CS42L42_PLL_DIVOUT_TIME_US,
966 CS42L42_PLL_DIVOUT_TIME_US * 2);
967 snd_soc_component_update_bits(component, CS42L42_PLL_CTL3,
968 CS42L42_PLL_DIVOUT_MASK,
969 cs42l42->pll_divout <<
970 CS42L42_PLL_DIVOUT_SHIFT);
973 ret = regmap_read_poll_timeout(cs42l42->regmap,
974 CS42L42_PLL_LOCK_STATUS,
977 CS42L42_PLL_LOCK_POLL_US,
978 CS42L42_PLL_LOCK_TIMEOUT_US);
980 dev_warn(component->dev, "PLL failed to lock: %d\n", ret);
982 /* PLL must be running to drive glitchless switch logic */
983 snd_soc_component_update_bits(component,
984 CS42L42_MCLK_SRC_SEL,
985 CS42L42_MCLK_SRC_SEL_MASK,
986 CS42L42_MCLK_SRC_SEL_MASK);
989 /* Mark SCLK as present, turn off internal oscillator */
990 regmap_multi_reg_write(cs42l42->regmap, cs42l42_to_sclk_seq,
991 ARRAY_SIZE(cs42l42_to_sclk_seq));
993 cs42l42->stream_use |= 1 << stream;
995 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
996 /* Read the headphone load */
997 regval = snd_soc_component_read(component, CS42L42_LOAD_DET_RCSTAT);
998 if (((regval & CS42L42_RLA_STAT_MASK) >> CS42L42_RLA_STAT_SHIFT) ==
999 CS42L42_RLA_STAT_15_OHM) {
1000 fullScaleVol = CS42L42_HP_FULL_SCALE_VOL_MASK;
1005 /* Un-mute the headphone, set the full scale volume flag */
1006 snd_soc_component_update_bits(component, CS42L42_HP_CTL,
1007 CS42L42_HP_ANA_AMUTE_MASK |
1008 CS42L42_HP_ANA_BMUTE_MASK |
1009 CS42L42_HP_FULL_SCALE_VOL_MASK, fullScaleVol);
1016 #define CS42L42_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1017 SNDRV_PCM_FMTBIT_S24_LE |\
1018 SNDRV_PCM_FMTBIT_S32_LE )
1020 static const struct snd_soc_dai_ops cs42l42_ops = {
1021 .startup = cs42l42_dai_startup,
1022 .hw_params = cs42l42_pcm_hw_params,
1023 .set_fmt = cs42l42_set_dai_fmt,
1024 .set_sysclk = cs42l42_set_sysclk,
1025 .mute_stream = cs42l42_mute_stream,
1028 static struct snd_soc_dai_driver cs42l42_dai = {
1031 .stream_name = "Playback",
1034 .rates = SNDRV_PCM_RATE_8000_192000,
1035 .formats = CS42L42_FORMATS,
1038 .stream_name = "Capture",
1041 .rates = SNDRV_PCM_RATE_8000_192000,
1042 .formats = CS42L42_FORMATS,
1044 .symmetric_rate = 1,
1045 .symmetric_sample_bits = 1,
1046 .ops = &cs42l42_ops,
1049 static void cs42l42_process_hs_type_detect(struct cs42l42_private *cs42l42)
1051 unsigned int hs_det_status;
1052 unsigned int int_status;
1054 /* Mask the auto detect interrupt */
1055 regmap_update_bits(cs42l42->regmap,
1056 CS42L42_CODEC_INT_MASK,
1057 CS42L42_PDN_DONE_MASK |
1058 CS42L42_HSDET_AUTO_DONE_MASK,
1059 (1 << CS42L42_PDN_DONE_SHIFT) |
1060 (1 << CS42L42_HSDET_AUTO_DONE_SHIFT));
1062 /* Set hs detect to automatic, disabled mode */
1063 regmap_update_bits(cs42l42->regmap,
1065 CS42L42_HSDET_CTRL_MASK |
1066 CS42L42_HSDET_SET_MASK |
1067 CS42L42_HSBIAS_REF_MASK |
1068 CS42L42_HSDET_AUTO_TIME_MASK,
1069 (2 << CS42L42_HSDET_CTRL_SHIFT) |
1070 (2 << CS42L42_HSDET_SET_SHIFT) |
1071 (0 << CS42L42_HSBIAS_REF_SHIFT) |
1072 (3 << CS42L42_HSDET_AUTO_TIME_SHIFT));
1074 /* Read and save the hs detection result */
1075 regmap_read(cs42l42->regmap, CS42L42_HS_DET_STATUS, &hs_det_status);
1077 cs42l42->hs_type = (hs_det_status & CS42L42_HSDET_TYPE_MASK) >>
1078 CS42L42_HSDET_TYPE_SHIFT;
1080 /* Set up button detection */
1081 if ((cs42l42->hs_type == CS42L42_PLUG_CTIA) ||
1082 (cs42l42->hs_type == CS42L42_PLUG_OMTP)) {
1083 /* Set auto HS bias settings to default */
1084 regmap_update_bits(cs42l42->regmap,
1085 CS42L42_HSBIAS_SC_AUTOCTL,
1086 CS42L42_HSBIAS_SENSE_EN_MASK |
1087 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1088 CS42L42_TIP_SENSE_EN_MASK |
1089 CS42L42_HSBIAS_SENSE_TRIP_MASK,
1090 (0 << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1091 (0 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1092 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1093 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1095 /* Set up hs detect level sensitivity */
1096 regmap_update_bits(cs42l42->regmap,
1097 CS42L42_MIC_DET_CTL1,
1098 CS42L42_LATCH_TO_VP_MASK |
1099 CS42L42_EVENT_STAT_SEL_MASK |
1100 CS42L42_HS_DET_LEVEL_MASK,
1101 (1 << CS42L42_LATCH_TO_VP_SHIFT) |
1102 (0 << CS42L42_EVENT_STAT_SEL_SHIFT) |
1103 (cs42l42->bias_thresholds[0] <<
1104 CS42L42_HS_DET_LEVEL_SHIFT));
1106 /* Set auto HS bias settings to default */
1107 regmap_update_bits(cs42l42->regmap,
1108 CS42L42_HSBIAS_SC_AUTOCTL,
1109 CS42L42_HSBIAS_SENSE_EN_MASK |
1110 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1111 CS42L42_TIP_SENSE_EN_MASK |
1112 CS42L42_HSBIAS_SENSE_TRIP_MASK,
1113 (cs42l42->hs_bias_sense_en << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1114 (1 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1115 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1116 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1118 /* Turn on level detect circuitry */
1119 regmap_update_bits(cs42l42->regmap,
1120 CS42L42_MISC_DET_CTL,
1121 CS42L42_DETECT_MODE_MASK |
1122 CS42L42_HSBIAS_CTL_MASK |
1123 CS42L42_PDN_MIC_LVL_DET_MASK,
1124 (0 << CS42L42_DETECT_MODE_SHIFT) |
1125 (3 << CS42L42_HSBIAS_CTL_SHIFT) |
1126 (0 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
1128 msleep(cs42l42->btn_det_init_dbnce);
1130 /* Clear any button interrupts before unmasking them */
1131 regmap_read(cs42l42->regmap, CS42L42_DET_INT_STATUS2,
1134 /* Unmask button detect interrupts */
1135 regmap_update_bits(cs42l42->regmap,
1136 CS42L42_DET_INT2_MASK,
1137 CS42L42_M_DETECT_TF_MASK |
1138 CS42L42_M_DETECT_FT_MASK |
1139 CS42L42_M_HSBIAS_HIZ_MASK |
1140 CS42L42_M_SHORT_RLS_MASK |
1141 CS42L42_M_SHORT_DET_MASK,
1142 (0 << CS42L42_M_DETECT_TF_SHIFT) |
1143 (0 << CS42L42_M_DETECT_FT_SHIFT) |
1144 (0 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
1145 (1 << CS42L42_M_SHORT_RLS_SHIFT) |
1146 (1 << CS42L42_M_SHORT_DET_SHIFT));
1148 /* Make sure button detect and HS bias circuits are off */
1149 regmap_update_bits(cs42l42->regmap,
1150 CS42L42_MISC_DET_CTL,
1151 CS42L42_DETECT_MODE_MASK |
1152 CS42L42_HSBIAS_CTL_MASK |
1153 CS42L42_PDN_MIC_LVL_DET_MASK,
1154 (0 << CS42L42_DETECT_MODE_SHIFT) |
1155 (1 << CS42L42_HSBIAS_CTL_SHIFT) |
1156 (1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
1159 regmap_update_bits(cs42l42->regmap,
1161 CS42L42_HPOUT_PULLDOWN_MASK |
1162 CS42L42_HPOUT_LOAD_MASK |
1163 CS42L42_HPOUT_CLAMP_MASK |
1164 CS42L42_DAC_HPF_EN_MASK |
1165 CS42L42_DAC_MON_EN_MASK,
1166 (0 << CS42L42_HPOUT_PULLDOWN_SHIFT) |
1167 (0 << CS42L42_HPOUT_LOAD_SHIFT) |
1168 (0 << CS42L42_HPOUT_CLAMP_SHIFT) |
1169 (1 << CS42L42_DAC_HPF_EN_SHIFT) |
1170 (0 << CS42L42_DAC_MON_EN_SHIFT));
1172 /* Unmask tip sense interrupts */
1173 regmap_update_bits(cs42l42->regmap,
1174 CS42L42_TSRS_PLUG_INT_MASK,
1175 CS42L42_RS_PLUG_MASK |
1176 CS42L42_RS_UNPLUG_MASK |
1177 CS42L42_TS_PLUG_MASK |
1178 CS42L42_TS_UNPLUG_MASK,
1179 (1 << CS42L42_RS_PLUG_SHIFT) |
1180 (1 << CS42L42_RS_UNPLUG_SHIFT) |
1181 (0 << CS42L42_TS_PLUG_SHIFT) |
1182 (0 << CS42L42_TS_UNPLUG_SHIFT));
1185 static void cs42l42_init_hs_type_detect(struct cs42l42_private *cs42l42)
1187 /* Mask tip sense interrupts */
1188 regmap_update_bits(cs42l42->regmap,
1189 CS42L42_TSRS_PLUG_INT_MASK,
1190 CS42L42_RS_PLUG_MASK |
1191 CS42L42_RS_UNPLUG_MASK |
1192 CS42L42_TS_PLUG_MASK |
1193 CS42L42_TS_UNPLUG_MASK,
1194 (1 << CS42L42_RS_PLUG_SHIFT) |
1195 (1 << CS42L42_RS_UNPLUG_SHIFT) |
1196 (1 << CS42L42_TS_PLUG_SHIFT) |
1197 (1 << CS42L42_TS_UNPLUG_SHIFT));
1199 /* Make sure button detect and HS bias circuits are off */
1200 regmap_update_bits(cs42l42->regmap,
1201 CS42L42_MISC_DET_CTL,
1202 CS42L42_DETECT_MODE_MASK |
1203 CS42L42_HSBIAS_CTL_MASK |
1204 CS42L42_PDN_MIC_LVL_DET_MASK,
1205 (0 << CS42L42_DETECT_MODE_SHIFT) |
1206 (1 << CS42L42_HSBIAS_CTL_SHIFT) |
1207 (1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
1209 /* Set auto HS bias settings to default */
1210 regmap_update_bits(cs42l42->regmap,
1211 CS42L42_HSBIAS_SC_AUTOCTL,
1212 CS42L42_HSBIAS_SENSE_EN_MASK |
1213 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1214 CS42L42_TIP_SENSE_EN_MASK |
1215 CS42L42_HSBIAS_SENSE_TRIP_MASK,
1216 (0 << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1217 (0 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1218 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1219 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1221 /* Set hs detect to manual, disabled mode */
1222 regmap_update_bits(cs42l42->regmap,
1224 CS42L42_HSDET_CTRL_MASK |
1225 CS42L42_HSDET_SET_MASK |
1226 CS42L42_HSBIAS_REF_MASK |
1227 CS42L42_HSDET_AUTO_TIME_MASK,
1228 (0 << CS42L42_HSDET_CTRL_SHIFT) |
1229 (2 << CS42L42_HSDET_SET_SHIFT) |
1230 (0 << CS42L42_HSBIAS_REF_SHIFT) |
1231 (3 << CS42L42_HSDET_AUTO_TIME_SHIFT));
1233 regmap_update_bits(cs42l42->regmap,
1235 CS42L42_HPOUT_PULLDOWN_MASK |
1236 CS42L42_HPOUT_LOAD_MASK |
1237 CS42L42_HPOUT_CLAMP_MASK |
1238 CS42L42_DAC_HPF_EN_MASK |
1239 CS42L42_DAC_MON_EN_MASK,
1240 (8 << CS42L42_HPOUT_PULLDOWN_SHIFT) |
1241 (0 << CS42L42_HPOUT_LOAD_SHIFT) |
1242 (1 << CS42L42_HPOUT_CLAMP_SHIFT) |
1243 (1 << CS42L42_DAC_HPF_EN_SHIFT) |
1244 (1 << CS42L42_DAC_MON_EN_SHIFT));
1246 /* Power up HS bias to 2.7V */
1247 regmap_update_bits(cs42l42->regmap,
1248 CS42L42_MISC_DET_CTL,
1249 CS42L42_DETECT_MODE_MASK |
1250 CS42L42_HSBIAS_CTL_MASK |
1251 CS42L42_PDN_MIC_LVL_DET_MASK,
1252 (0 << CS42L42_DETECT_MODE_SHIFT) |
1253 (3 << CS42L42_HSBIAS_CTL_SHIFT) |
1254 (1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
1256 /* Wait for HS bias to ramp up */
1257 msleep(cs42l42->hs_bias_ramp_time);
1259 /* Unmask auto detect interrupt */
1260 regmap_update_bits(cs42l42->regmap,
1261 CS42L42_CODEC_INT_MASK,
1262 CS42L42_PDN_DONE_MASK |
1263 CS42L42_HSDET_AUTO_DONE_MASK,
1264 (1 << CS42L42_PDN_DONE_SHIFT) |
1265 (0 << CS42L42_HSDET_AUTO_DONE_SHIFT));
1267 /* Set hs detect to automatic, enabled mode */
1268 regmap_update_bits(cs42l42->regmap,
1270 CS42L42_HSDET_CTRL_MASK |
1271 CS42L42_HSDET_SET_MASK |
1272 CS42L42_HSBIAS_REF_MASK |
1273 CS42L42_HSDET_AUTO_TIME_MASK,
1274 (3 << CS42L42_HSDET_CTRL_SHIFT) |
1275 (2 << CS42L42_HSDET_SET_SHIFT) |
1276 (0 << CS42L42_HSBIAS_REF_SHIFT) |
1277 (3 << CS42L42_HSDET_AUTO_TIME_SHIFT));
1280 static void cs42l42_cancel_hs_type_detect(struct cs42l42_private *cs42l42)
1282 /* Mask button detect interrupts */
1283 regmap_update_bits(cs42l42->regmap,
1284 CS42L42_DET_INT2_MASK,
1285 CS42L42_M_DETECT_TF_MASK |
1286 CS42L42_M_DETECT_FT_MASK |
1287 CS42L42_M_HSBIAS_HIZ_MASK |
1288 CS42L42_M_SHORT_RLS_MASK |
1289 CS42L42_M_SHORT_DET_MASK,
1290 (1 << CS42L42_M_DETECT_TF_SHIFT) |
1291 (1 << CS42L42_M_DETECT_FT_SHIFT) |
1292 (1 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
1293 (1 << CS42L42_M_SHORT_RLS_SHIFT) |
1294 (1 << CS42L42_M_SHORT_DET_SHIFT));
1296 /* Ground HS bias */
1297 regmap_update_bits(cs42l42->regmap,
1298 CS42L42_MISC_DET_CTL,
1299 CS42L42_DETECT_MODE_MASK |
1300 CS42L42_HSBIAS_CTL_MASK |
1301 CS42L42_PDN_MIC_LVL_DET_MASK,
1302 (0 << CS42L42_DETECT_MODE_SHIFT) |
1303 (1 << CS42L42_HSBIAS_CTL_SHIFT) |
1304 (1 << CS42L42_PDN_MIC_LVL_DET_SHIFT));
1306 /* Set auto HS bias settings to default */
1307 regmap_update_bits(cs42l42->regmap,
1308 CS42L42_HSBIAS_SC_AUTOCTL,
1309 CS42L42_HSBIAS_SENSE_EN_MASK |
1310 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1311 CS42L42_TIP_SENSE_EN_MASK |
1312 CS42L42_HSBIAS_SENSE_TRIP_MASK,
1313 (0 << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1314 (0 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1315 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1316 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1318 /* Set hs detect to manual, disabled mode */
1319 regmap_update_bits(cs42l42->regmap,
1321 CS42L42_HSDET_CTRL_MASK |
1322 CS42L42_HSDET_SET_MASK |
1323 CS42L42_HSBIAS_REF_MASK |
1324 CS42L42_HSDET_AUTO_TIME_MASK,
1325 (0 << CS42L42_HSDET_CTRL_SHIFT) |
1326 (2 << CS42L42_HSDET_SET_SHIFT) |
1327 (0 << CS42L42_HSBIAS_REF_SHIFT) |
1328 (3 << CS42L42_HSDET_AUTO_TIME_SHIFT));
1331 static int cs42l42_handle_button_press(struct cs42l42_private *cs42l42)
1334 unsigned int detect_status;
1336 /* Mask button detect interrupts */
1337 regmap_update_bits(cs42l42->regmap,
1338 CS42L42_DET_INT2_MASK,
1339 CS42L42_M_DETECT_TF_MASK |
1340 CS42L42_M_DETECT_FT_MASK |
1341 CS42L42_M_HSBIAS_HIZ_MASK |
1342 CS42L42_M_SHORT_RLS_MASK |
1343 CS42L42_M_SHORT_DET_MASK,
1344 (1 << CS42L42_M_DETECT_TF_SHIFT) |
1345 (1 << CS42L42_M_DETECT_FT_SHIFT) |
1346 (1 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
1347 (1 << CS42L42_M_SHORT_RLS_SHIFT) |
1348 (1 << CS42L42_M_SHORT_DET_SHIFT));
1350 usleep_range(cs42l42->btn_det_event_dbnce * 1000,
1351 cs42l42->btn_det_event_dbnce * 2000);
1353 /* Test all 4 level detect biases */
1356 /* Adjust button detect level sensitivity */
1357 regmap_update_bits(cs42l42->regmap,
1358 CS42L42_MIC_DET_CTL1,
1359 CS42L42_LATCH_TO_VP_MASK |
1360 CS42L42_EVENT_STAT_SEL_MASK |
1361 CS42L42_HS_DET_LEVEL_MASK,
1362 (1 << CS42L42_LATCH_TO_VP_SHIFT) |
1363 (0 << CS42L42_EVENT_STAT_SEL_SHIFT) |
1364 (cs42l42->bias_thresholds[bias_level] <<
1365 CS42L42_HS_DET_LEVEL_SHIFT));
1367 regmap_read(cs42l42->regmap, CS42L42_DET_STATUS2,
1369 } while ((detect_status & CS42L42_HS_TRUE_MASK) &&
1370 (++bias_level < CS42L42_NUM_BIASES));
1372 switch (bias_level) {
1373 case 1: /* Function C button press */
1374 bias_level = SND_JACK_BTN_2;
1375 dev_dbg(cs42l42->component->dev, "Function C button press\n");
1377 case 2: /* Function B button press */
1378 bias_level = SND_JACK_BTN_1;
1379 dev_dbg(cs42l42->component->dev, "Function B button press\n");
1381 case 3: /* Function D button press */
1382 bias_level = SND_JACK_BTN_3;
1383 dev_dbg(cs42l42->component->dev, "Function D button press\n");
1385 case 4: /* Function A button press */
1386 bias_level = SND_JACK_BTN_0;
1387 dev_dbg(cs42l42->component->dev, "Function A button press\n");
1394 /* Set button detect level sensitivity back to default */
1395 regmap_update_bits(cs42l42->regmap,
1396 CS42L42_MIC_DET_CTL1,
1397 CS42L42_LATCH_TO_VP_MASK |
1398 CS42L42_EVENT_STAT_SEL_MASK |
1399 CS42L42_HS_DET_LEVEL_MASK,
1400 (1 << CS42L42_LATCH_TO_VP_SHIFT) |
1401 (0 << CS42L42_EVENT_STAT_SEL_SHIFT) |
1402 (cs42l42->bias_thresholds[0] << CS42L42_HS_DET_LEVEL_SHIFT));
1404 /* Clear any button interrupts before unmasking them */
1405 regmap_read(cs42l42->regmap, CS42L42_DET_INT_STATUS2,
1408 /* Unmask button detect interrupts */
1409 regmap_update_bits(cs42l42->regmap,
1410 CS42L42_DET_INT2_MASK,
1411 CS42L42_M_DETECT_TF_MASK |
1412 CS42L42_M_DETECT_FT_MASK |
1413 CS42L42_M_HSBIAS_HIZ_MASK |
1414 CS42L42_M_SHORT_RLS_MASK |
1415 CS42L42_M_SHORT_DET_MASK,
1416 (0 << CS42L42_M_DETECT_TF_SHIFT) |
1417 (0 << CS42L42_M_DETECT_FT_SHIFT) |
1418 (0 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
1419 (1 << CS42L42_M_SHORT_RLS_SHIFT) |
1420 (1 << CS42L42_M_SHORT_DET_SHIFT));
1425 struct cs42l42_irq_params {
1431 static const struct cs42l42_irq_params irq_params_table[] = {
1432 {CS42L42_ADC_OVFL_STATUS, CS42L42_ADC_OVFL_INT_MASK,
1433 CS42L42_ADC_OVFL_VAL_MASK},
1434 {CS42L42_MIXER_STATUS, CS42L42_MIXER_INT_MASK,
1435 CS42L42_MIXER_VAL_MASK},
1436 {CS42L42_SRC_STATUS, CS42L42_SRC_INT_MASK,
1437 CS42L42_SRC_VAL_MASK},
1438 {CS42L42_ASP_RX_STATUS, CS42L42_ASP_RX_INT_MASK,
1439 CS42L42_ASP_RX_VAL_MASK},
1440 {CS42L42_ASP_TX_STATUS, CS42L42_ASP_TX_INT_MASK,
1441 CS42L42_ASP_TX_VAL_MASK},
1442 {CS42L42_CODEC_STATUS, CS42L42_CODEC_INT_MASK,
1443 CS42L42_CODEC_VAL_MASK},
1444 {CS42L42_DET_INT_STATUS1, CS42L42_DET_INT1_MASK,
1445 CS42L42_DET_INT_VAL1_MASK},
1446 {CS42L42_DET_INT_STATUS2, CS42L42_DET_INT2_MASK,
1447 CS42L42_DET_INT_VAL2_MASK},
1448 {CS42L42_SRCPL_INT_STATUS, CS42L42_SRCPL_INT_MASK,
1449 CS42L42_SRCPL_VAL_MASK},
1450 {CS42L42_VPMON_STATUS, CS42L42_VPMON_INT_MASK,
1451 CS42L42_VPMON_VAL_MASK},
1452 {CS42L42_PLL_LOCK_STATUS, CS42L42_PLL_LOCK_INT_MASK,
1453 CS42L42_PLL_LOCK_VAL_MASK},
1454 {CS42L42_TSRS_PLUG_STATUS, CS42L42_TSRS_PLUG_INT_MASK,
1455 CS42L42_TSRS_PLUG_VAL_MASK}
1458 static irqreturn_t cs42l42_irq_thread(int irq, void *data)
1460 struct cs42l42_private *cs42l42 = (struct cs42l42_private *)data;
1461 struct snd_soc_component *component = cs42l42->component;
1462 unsigned int stickies[12];
1463 unsigned int masks[12];
1464 unsigned int current_plug_status;
1465 unsigned int current_button_status;
1470 /* Read sticky registers to clear interurpt */
1471 for (i = 0; i < ARRAY_SIZE(stickies); i++) {
1472 regmap_read(cs42l42->regmap, irq_params_table[i].status_addr,
1474 regmap_read(cs42l42->regmap, irq_params_table[i].mask_addr,
1476 stickies[i] = stickies[i] & (~masks[i]) &
1477 irq_params_table[i].mask;
1480 /* Read tip sense status before handling type detect */
1481 current_plug_status = (stickies[11] &
1482 (CS42L42_TS_PLUG_MASK | CS42L42_TS_UNPLUG_MASK)) >>
1483 CS42L42_TS_PLUG_SHIFT;
1485 /* Read button sense status */
1486 current_button_status = stickies[7] &
1487 (CS42L42_M_DETECT_TF_MASK |
1488 CS42L42_M_DETECT_FT_MASK |
1489 CS42L42_M_HSBIAS_HIZ_MASK);
1491 /* Check auto-detect status */
1492 if ((~masks[5]) & irq_params_table[5].mask) {
1493 if (stickies[5] & CS42L42_HSDET_AUTO_DONE_MASK) {
1494 cs42l42_process_hs_type_detect(cs42l42);
1495 switch(cs42l42->hs_type){
1496 case CS42L42_PLUG_CTIA:
1497 case CS42L42_PLUG_OMTP:
1498 snd_soc_jack_report(cs42l42->jack, SND_JACK_HEADSET,
1501 case CS42L42_PLUG_HEADPHONE:
1502 snd_soc_jack_report(cs42l42->jack, SND_JACK_HEADPHONE,
1503 SND_JACK_HEADPHONE);
1508 dev_dbg(component->dev, "Auto detect done (%d)\n", cs42l42->hs_type);
1512 /* Check tip sense status */
1513 if ((~masks[11]) & irq_params_table[11].mask) {
1514 switch (current_plug_status) {
1515 case CS42L42_TS_PLUG:
1516 if (cs42l42->plug_state != CS42L42_TS_PLUG) {
1517 cs42l42->plug_state = CS42L42_TS_PLUG;
1518 cs42l42_init_hs_type_detect(cs42l42);
1522 case CS42L42_TS_UNPLUG:
1523 if (cs42l42->plug_state != CS42L42_TS_UNPLUG) {
1524 cs42l42->plug_state = CS42L42_TS_UNPLUG;
1525 cs42l42_cancel_hs_type_detect(cs42l42);
1527 switch(cs42l42->hs_type){
1528 case CS42L42_PLUG_CTIA:
1529 case CS42L42_PLUG_OMTP:
1530 snd_soc_jack_report(cs42l42->jack, 0, SND_JACK_HEADSET);
1532 case CS42L42_PLUG_HEADPHONE:
1533 snd_soc_jack_report(cs42l42->jack, 0, SND_JACK_HEADPHONE);
1538 snd_soc_jack_report(cs42l42->jack, 0,
1539 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
1540 SND_JACK_BTN_2 | SND_JACK_BTN_3);
1542 dev_dbg(component->dev, "Unplug event\n");
1547 if (cs42l42->plug_state != CS42L42_TS_TRANS)
1548 cs42l42->plug_state = CS42L42_TS_TRANS;
1552 /* Check button detect status */
1553 if (cs42l42->plug_state == CS42L42_TS_PLUG && ((~masks[7]) & irq_params_table[7].mask)) {
1554 if (!(current_button_status &
1555 CS42L42_M_HSBIAS_HIZ_MASK)) {
1557 if (current_button_status & CS42L42_M_DETECT_TF_MASK) {
1558 dev_dbg(component->dev, "Button released\n");
1560 } else if (current_button_status & CS42L42_M_DETECT_FT_MASK) {
1561 report = cs42l42_handle_button_press(cs42l42);
1564 snd_soc_jack_report(cs42l42->jack, report, SND_JACK_BTN_0 | SND_JACK_BTN_1 |
1565 SND_JACK_BTN_2 | SND_JACK_BTN_3);
1572 static void cs42l42_set_interrupt_masks(struct cs42l42_private *cs42l42)
1574 regmap_update_bits(cs42l42->regmap, CS42L42_ADC_OVFL_INT_MASK,
1575 CS42L42_ADC_OVFL_MASK,
1576 (1 << CS42L42_ADC_OVFL_SHIFT));
1578 regmap_update_bits(cs42l42->regmap, CS42L42_MIXER_INT_MASK,
1579 CS42L42_MIX_CHB_OVFL_MASK |
1580 CS42L42_MIX_CHA_OVFL_MASK |
1581 CS42L42_EQ_OVFL_MASK |
1582 CS42L42_EQ_BIQUAD_OVFL_MASK,
1583 (1 << CS42L42_MIX_CHB_OVFL_SHIFT) |
1584 (1 << CS42L42_MIX_CHA_OVFL_SHIFT) |
1585 (1 << CS42L42_EQ_OVFL_SHIFT) |
1586 (1 << CS42L42_EQ_BIQUAD_OVFL_SHIFT));
1588 regmap_update_bits(cs42l42->regmap, CS42L42_SRC_INT_MASK,
1589 CS42L42_SRC_ILK_MASK |
1590 CS42L42_SRC_OLK_MASK |
1591 CS42L42_SRC_IUNLK_MASK |
1592 CS42L42_SRC_OUNLK_MASK,
1593 (1 << CS42L42_SRC_ILK_SHIFT) |
1594 (1 << CS42L42_SRC_OLK_SHIFT) |
1595 (1 << CS42L42_SRC_IUNLK_SHIFT) |
1596 (1 << CS42L42_SRC_OUNLK_SHIFT));
1598 regmap_update_bits(cs42l42->regmap, CS42L42_ASP_RX_INT_MASK,
1599 CS42L42_ASPRX_NOLRCK_MASK |
1600 CS42L42_ASPRX_EARLY_MASK |
1601 CS42L42_ASPRX_LATE_MASK |
1602 CS42L42_ASPRX_ERROR_MASK |
1603 CS42L42_ASPRX_OVLD_MASK,
1604 (1 << CS42L42_ASPRX_NOLRCK_SHIFT) |
1605 (1 << CS42L42_ASPRX_EARLY_SHIFT) |
1606 (1 << CS42L42_ASPRX_LATE_SHIFT) |
1607 (1 << CS42L42_ASPRX_ERROR_SHIFT) |
1608 (1 << CS42L42_ASPRX_OVLD_SHIFT));
1610 regmap_update_bits(cs42l42->regmap, CS42L42_ASP_TX_INT_MASK,
1611 CS42L42_ASPTX_NOLRCK_MASK |
1612 CS42L42_ASPTX_EARLY_MASK |
1613 CS42L42_ASPTX_LATE_MASK |
1614 CS42L42_ASPTX_SMERROR_MASK,
1615 (1 << CS42L42_ASPTX_NOLRCK_SHIFT) |
1616 (1 << CS42L42_ASPTX_EARLY_SHIFT) |
1617 (1 << CS42L42_ASPTX_LATE_SHIFT) |
1618 (1 << CS42L42_ASPTX_SMERROR_SHIFT));
1620 regmap_update_bits(cs42l42->regmap, CS42L42_CODEC_INT_MASK,
1621 CS42L42_PDN_DONE_MASK |
1622 CS42L42_HSDET_AUTO_DONE_MASK,
1623 (1 << CS42L42_PDN_DONE_SHIFT) |
1624 (1 << CS42L42_HSDET_AUTO_DONE_SHIFT));
1626 regmap_update_bits(cs42l42->regmap, CS42L42_SRCPL_INT_MASK,
1627 CS42L42_SRCPL_ADC_LK_MASK |
1628 CS42L42_SRCPL_DAC_LK_MASK |
1629 CS42L42_SRCPL_ADC_UNLK_MASK |
1630 CS42L42_SRCPL_DAC_UNLK_MASK,
1631 (1 << CS42L42_SRCPL_ADC_LK_SHIFT) |
1632 (1 << CS42L42_SRCPL_DAC_LK_SHIFT) |
1633 (1 << CS42L42_SRCPL_ADC_UNLK_SHIFT) |
1634 (1 << CS42L42_SRCPL_DAC_UNLK_SHIFT));
1636 regmap_update_bits(cs42l42->regmap, CS42L42_DET_INT1_MASK,
1637 CS42L42_TIP_SENSE_UNPLUG_MASK |
1638 CS42L42_TIP_SENSE_PLUG_MASK |
1639 CS42L42_HSBIAS_SENSE_MASK,
1640 (1 << CS42L42_TIP_SENSE_UNPLUG_SHIFT) |
1641 (1 << CS42L42_TIP_SENSE_PLUG_SHIFT) |
1642 (1 << CS42L42_HSBIAS_SENSE_SHIFT));
1644 regmap_update_bits(cs42l42->regmap, CS42L42_DET_INT2_MASK,
1645 CS42L42_M_DETECT_TF_MASK |
1646 CS42L42_M_DETECT_FT_MASK |
1647 CS42L42_M_HSBIAS_HIZ_MASK |
1648 CS42L42_M_SHORT_RLS_MASK |
1649 CS42L42_M_SHORT_DET_MASK,
1650 (1 << CS42L42_M_DETECT_TF_SHIFT) |
1651 (1 << CS42L42_M_DETECT_FT_SHIFT) |
1652 (1 << CS42L42_M_HSBIAS_HIZ_SHIFT) |
1653 (1 << CS42L42_M_SHORT_RLS_SHIFT) |
1654 (1 << CS42L42_M_SHORT_DET_SHIFT));
1656 regmap_update_bits(cs42l42->regmap, CS42L42_VPMON_INT_MASK,
1658 (1 << CS42L42_VPMON_SHIFT));
1660 regmap_update_bits(cs42l42->regmap, CS42L42_PLL_LOCK_INT_MASK,
1661 CS42L42_PLL_LOCK_MASK,
1662 (1 << CS42L42_PLL_LOCK_SHIFT));
1664 regmap_update_bits(cs42l42->regmap, CS42L42_TSRS_PLUG_INT_MASK,
1665 CS42L42_RS_PLUG_MASK |
1666 CS42L42_RS_UNPLUG_MASK |
1667 CS42L42_TS_PLUG_MASK |
1668 CS42L42_TS_UNPLUG_MASK,
1669 (1 << CS42L42_RS_PLUG_SHIFT) |
1670 (1 << CS42L42_RS_UNPLUG_SHIFT) |
1671 (1 << CS42L42_TS_PLUG_SHIFT) |
1672 (1 << CS42L42_TS_UNPLUG_SHIFT));
1675 static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42)
1679 cs42l42->hs_type = CS42L42_PLUG_INVALID;
1681 /* Latch analog controls to VP power domain */
1682 regmap_update_bits(cs42l42->regmap, CS42L42_MIC_DET_CTL1,
1683 CS42L42_LATCH_TO_VP_MASK |
1684 CS42L42_EVENT_STAT_SEL_MASK |
1685 CS42L42_HS_DET_LEVEL_MASK,
1686 (1 << CS42L42_LATCH_TO_VP_SHIFT) |
1687 (0 << CS42L42_EVENT_STAT_SEL_SHIFT) |
1688 (cs42l42->bias_thresholds[0] <<
1689 CS42L42_HS_DET_LEVEL_SHIFT));
1691 /* Remove ground noise-suppression clamps */
1692 regmap_update_bits(cs42l42->regmap,
1693 CS42L42_HS_CLAMP_DISABLE,
1694 CS42L42_HS_CLAMP_DISABLE_MASK,
1695 (1 << CS42L42_HS_CLAMP_DISABLE_SHIFT));
1697 /* Enable the tip sense circuit */
1698 regmap_update_bits(cs42l42->regmap, CS42L42_TIPSENSE_CTL,
1699 CS42L42_TIP_SENSE_CTRL_MASK |
1700 CS42L42_TIP_SENSE_INV_MASK |
1701 CS42L42_TIP_SENSE_DEBOUNCE_MASK,
1702 (3 << CS42L42_TIP_SENSE_CTRL_SHIFT) |
1703 (0 << CS42L42_TIP_SENSE_INV_SHIFT) |
1704 (2 << CS42L42_TIP_SENSE_DEBOUNCE_SHIFT));
1706 /* Save the initial status of the tip sense */
1707 regmap_read(cs42l42->regmap,
1708 CS42L42_TSRS_PLUG_STATUS,
1710 cs42l42->plug_state = (((char) reg) &
1711 (CS42L42_TS_PLUG_MASK | CS42L42_TS_UNPLUG_MASK)) >>
1712 CS42L42_TS_PLUG_SHIFT;
1715 static const unsigned int threshold_defaults[] = {
1716 CS42L42_HS_DET_LEVEL_15,
1717 CS42L42_HS_DET_LEVEL_8,
1718 CS42L42_HS_DET_LEVEL_4,
1719 CS42L42_HS_DET_LEVEL_1
1722 static int cs42l42_handle_device_data(struct device *dev,
1723 struct cs42l42_private *cs42l42)
1726 u32 thresholds[CS42L42_NUM_BIASES];
1730 ret = device_property_read_u32(dev, "cirrus,ts-inv", &val);
1733 case CS42L42_TS_INV_EN:
1734 case CS42L42_TS_INV_DIS:
1735 cs42l42->ts_inv = val;
1739 "Wrong cirrus,ts-inv DT value %d\n",
1741 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1744 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1747 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1748 CS42L42_TS_INV_MASK,
1749 (cs42l42->ts_inv << CS42L42_TS_INV_SHIFT));
1751 ret = device_property_read_u32(dev, "cirrus,ts-dbnc-rise", &val);
1754 case CS42L42_TS_DBNCE_0:
1755 case CS42L42_TS_DBNCE_125:
1756 case CS42L42_TS_DBNCE_250:
1757 case CS42L42_TS_DBNCE_500:
1758 case CS42L42_TS_DBNCE_750:
1759 case CS42L42_TS_DBNCE_1000:
1760 case CS42L42_TS_DBNCE_1250:
1761 case CS42L42_TS_DBNCE_1500:
1762 cs42l42->ts_dbnc_rise = val;
1766 "Wrong cirrus,ts-dbnc-rise DT value %d\n",
1768 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1771 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1774 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1775 CS42L42_TS_RISE_DBNCE_TIME_MASK,
1776 (cs42l42->ts_dbnc_rise <<
1777 CS42L42_TS_RISE_DBNCE_TIME_SHIFT));
1779 ret = device_property_read_u32(dev, "cirrus,ts-dbnc-fall", &val);
1782 case CS42L42_TS_DBNCE_0:
1783 case CS42L42_TS_DBNCE_125:
1784 case CS42L42_TS_DBNCE_250:
1785 case CS42L42_TS_DBNCE_500:
1786 case CS42L42_TS_DBNCE_750:
1787 case CS42L42_TS_DBNCE_1000:
1788 case CS42L42_TS_DBNCE_1250:
1789 case CS42L42_TS_DBNCE_1500:
1790 cs42l42->ts_dbnc_fall = val;
1794 "Wrong cirrus,ts-dbnc-fall DT value %d\n",
1796 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1799 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1802 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1803 CS42L42_TS_FALL_DBNCE_TIME_MASK,
1804 (cs42l42->ts_dbnc_fall <<
1805 CS42L42_TS_FALL_DBNCE_TIME_SHIFT));
1807 ret = device_property_read_u32(dev, "cirrus,btn-det-init-dbnce", &val);
1809 if (val <= CS42L42_BTN_DET_INIT_DBNCE_MAX)
1810 cs42l42->btn_det_init_dbnce = val;
1813 "Wrong cirrus,btn-det-init-dbnce DT value %d\n",
1815 cs42l42->btn_det_init_dbnce =
1816 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1819 cs42l42->btn_det_init_dbnce =
1820 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1823 ret = device_property_read_u32(dev, "cirrus,btn-det-event-dbnce", &val);
1825 if (val <= CS42L42_BTN_DET_EVENT_DBNCE_MAX)
1826 cs42l42->btn_det_event_dbnce = val;
1829 "Wrong cirrus,btn-det-event-dbnce DT value %d\n", val);
1830 cs42l42->btn_det_event_dbnce =
1831 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1834 cs42l42->btn_det_event_dbnce =
1835 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1838 ret = device_property_read_u32_array(dev, "cirrus,bias-lvls",
1839 thresholds, ARRAY_SIZE(thresholds));
1841 for (i = 0; i < CS42L42_NUM_BIASES; i++) {
1842 if (thresholds[i] <= CS42L42_HS_DET_LEVEL_MAX)
1843 cs42l42->bias_thresholds[i] = thresholds[i];
1846 "Wrong cirrus,bias-lvls[%d] DT value %d\n", i,
1848 cs42l42->bias_thresholds[i] = threshold_defaults[i];
1852 for (i = 0; i < CS42L42_NUM_BIASES; i++)
1853 cs42l42->bias_thresholds[i] = threshold_defaults[i];
1856 ret = device_property_read_u32(dev, "cirrus,hs-bias-ramp-rate", &val);
1859 case CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL:
1860 cs42l42->hs_bias_ramp_rate = val;
1861 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME0;
1863 case CS42L42_HSBIAS_RAMP_FAST:
1864 cs42l42->hs_bias_ramp_rate = val;
1865 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME1;
1867 case CS42L42_HSBIAS_RAMP_SLOW:
1868 cs42l42->hs_bias_ramp_rate = val;
1869 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1871 case CS42L42_HSBIAS_RAMP_SLOWEST:
1872 cs42l42->hs_bias_ramp_rate = val;
1873 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME3;
1877 "Wrong cirrus,hs-bias-ramp-rate DT value %d\n",
1879 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1880 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1883 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1884 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1887 regmap_update_bits(cs42l42->regmap, CS42L42_HS_BIAS_CTL,
1888 CS42L42_HSBIAS_RAMP_MASK,
1889 (cs42l42->hs_bias_ramp_rate <<
1890 CS42L42_HSBIAS_RAMP_SHIFT));
1892 if (device_property_read_bool(dev, "cirrus,hs-bias-sense-disable"))
1893 cs42l42->hs_bias_sense_en = 0;
1895 cs42l42->hs_bias_sense_en = 1;
1900 static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
1901 const struct i2c_device_id *id)
1903 struct cs42l42_private *cs42l42;
1907 cs42l42 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l42_private),
1912 i2c_set_clientdata(i2c_client, cs42l42);
1914 cs42l42->regmap = devm_regmap_init_i2c(i2c_client, &cs42l42_regmap);
1915 if (IS_ERR(cs42l42->regmap)) {
1916 ret = PTR_ERR(cs42l42->regmap);
1917 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1921 for (i = 0; i < ARRAY_SIZE(cs42l42->supplies); i++)
1922 cs42l42->supplies[i].supply = cs42l42_supply_names[i];
1924 ret = devm_regulator_bulk_get(&i2c_client->dev,
1925 ARRAY_SIZE(cs42l42->supplies),
1928 dev_err(&i2c_client->dev,
1929 "Failed to request supplies: %d\n", ret);
1933 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l42->supplies),
1936 dev_err(&i2c_client->dev,
1937 "Failed to enable supplies: %d\n", ret);
1941 /* Reset the Device */
1942 cs42l42->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
1943 "reset", GPIOD_OUT_LOW);
1944 if (IS_ERR(cs42l42->reset_gpio)) {
1945 ret = PTR_ERR(cs42l42->reset_gpio);
1949 if (cs42l42->reset_gpio) {
1950 dev_dbg(&i2c_client->dev, "Found reset GPIO\n");
1951 gpiod_set_value_cansleep(cs42l42->reset_gpio, 1);
1953 usleep_range(CS42L42_BOOT_TIME_US, CS42L42_BOOT_TIME_US * 2);
1956 ret = devm_request_threaded_irq(&i2c_client->dev,
1958 NULL, cs42l42_irq_thread,
1959 IRQF_ONESHOT | IRQF_TRIGGER_LOW,
1960 "cs42l42", cs42l42);
1963 dev_err(&i2c_client->dev,
1964 "Failed to request IRQ: %d\n", ret);
1966 /* initialize codec */
1967 devid = cirrus_read_device_id(cs42l42->regmap, CS42L42_DEVID_AB);
1970 dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
1974 if (devid != CS42L42_CHIP_ID) {
1976 dev_err(&i2c_client->dev,
1977 "CS42L42 Device ID (%X). Expected %X\n",
1978 devid, CS42L42_CHIP_ID);
1982 ret = regmap_read(cs42l42->regmap, CS42L42_REVID, ®);
1984 dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1988 dev_info(&i2c_client->dev,
1989 "Cirrus Logic CS42L42, Revision: %02X\n", reg & 0xFF);
1991 /* Power up the codec */
1992 regmap_update_bits(cs42l42->regmap, CS42L42_PWR_CTL1,
1993 CS42L42_ASP_DAO_PDN_MASK |
1994 CS42L42_ASP_DAI_PDN_MASK |
1995 CS42L42_MIXER_PDN_MASK |
1996 CS42L42_EQ_PDN_MASK |
1997 CS42L42_HP_PDN_MASK |
1998 CS42L42_ADC_PDN_MASK |
1999 CS42L42_PDN_ALL_MASK,
2000 (1 << CS42L42_ASP_DAO_PDN_SHIFT) |
2001 (1 << CS42L42_ASP_DAI_PDN_SHIFT) |
2002 (1 << CS42L42_MIXER_PDN_SHIFT) |
2003 (1 << CS42L42_EQ_PDN_SHIFT) |
2004 (1 << CS42L42_HP_PDN_SHIFT) |
2005 (1 << CS42L42_ADC_PDN_SHIFT) |
2006 (0 << CS42L42_PDN_ALL_SHIFT));
2008 ret = cs42l42_handle_device_data(&i2c_client->dev, cs42l42);
2012 /* Setup headset detection */
2013 cs42l42_setup_hs_type_detect(cs42l42);
2015 /* Mask/Unmask Interrupts */
2016 cs42l42_set_interrupt_masks(cs42l42);
2018 /* Register codec for machine driver */
2019 ret = devm_snd_soc_register_component(&i2c_client->dev,
2020 &soc_component_dev_cs42l42, &cs42l42_dai, 1);
2026 regulator_bulk_disable(ARRAY_SIZE(cs42l42->supplies),
2031 static int cs42l42_i2c_remove(struct i2c_client *i2c_client)
2033 struct cs42l42_private *cs42l42 = i2c_get_clientdata(i2c_client);
2035 devm_free_irq(&i2c_client->dev, i2c_client->irq, cs42l42);
2036 pm_runtime_suspend(&i2c_client->dev);
2037 pm_runtime_disable(&i2c_client->dev);
2043 static int cs42l42_runtime_suspend(struct device *dev)
2045 struct cs42l42_private *cs42l42 = dev_get_drvdata(dev);
2047 regcache_cache_only(cs42l42->regmap, true);
2048 regcache_mark_dirty(cs42l42->regmap);
2050 /* Hold down reset */
2051 gpiod_set_value_cansleep(cs42l42->reset_gpio, 0);
2054 regulator_bulk_disable(ARRAY_SIZE(cs42l42->supplies),
2060 static int cs42l42_runtime_resume(struct device *dev)
2062 struct cs42l42_private *cs42l42 = dev_get_drvdata(dev);
2066 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l42->supplies),
2069 dev_err(dev, "Failed to enable supplies: %d\n",
2074 gpiod_set_value_cansleep(cs42l42->reset_gpio, 1);
2075 usleep_range(CS42L42_BOOT_TIME_US, CS42L42_BOOT_TIME_US * 2);
2077 regcache_cache_only(cs42l42->regmap, false);
2078 regcache_sync(cs42l42->regmap);
2084 static const struct dev_pm_ops cs42l42_runtime_pm = {
2085 SET_RUNTIME_PM_OPS(cs42l42_runtime_suspend, cs42l42_runtime_resume,
2090 static const struct of_device_id cs42l42_of_match[] = {
2091 { .compatible = "cirrus,cs42l42", },
2094 MODULE_DEVICE_TABLE(of, cs42l42_of_match);
2098 static const struct acpi_device_id cs42l42_acpi_match[] = {
2102 MODULE_DEVICE_TABLE(acpi, cs42l42_acpi_match);
2105 static const struct i2c_device_id cs42l42_id[] = {
2110 MODULE_DEVICE_TABLE(i2c, cs42l42_id);
2112 static struct i2c_driver cs42l42_i2c_driver = {
2115 .pm = &cs42l42_runtime_pm,
2116 .of_match_table = of_match_ptr(cs42l42_of_match),
2117 .acpi_match_table = ACPI_PTR(cs42l42_acpi_match),
2119 .id_table = cs42l42_id,
2120 .probe = cs42l42_i2c_probe,
2121 .remove = cs42l42_i2c_remove,
2124 module_i2c_driver(cs42l42_i2c_driver);
2126 MODULE_DESCRIPTION("ASoC CS42L42 driver");
2127 MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
2128 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
2129 MODULE_AUTHOR("Michael White, Cirrus Logic Inc, <michael.white@cirrus.com>");
2130 MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
2131 MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
2132 MODULE_AUTHOR("Vitaly Rodionov <vitalyr@opensource.cirrus.com>");
2133 MODULE_LICENSE("GPL");