1 // SPDX-License-Identifier: GPL-2.0-or-later
2 //
3 // File: sound/soc/codecs/ssm2602.c
4 // Author: Cliff Cai <Cliff.Cai@analog.com>
5 //
6 // Created: Tue June 06 2008
7 // Description: Driver for ssm2602 sound chip
8 //
9 // Modified:
10 // Copyright 2008 Analog Devices Inc.
11 //
12 // Bugs: Enter bugs at http://blackfin.uclinux.org/
13
14 #include <linux/delay.h>
15 #include <linux/module.h>
16 #include <linux/regmap.h>
17 #include <linux/slab.h>
18
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/tlv.h>
23
24 #include "ssm2602.h"
25
26 /* codec private data */
27 struct ssm2602_priv {
28 unsigned int sysclk;
29 const struct snd_pcm_hw_constraint_list *sysclk_constraints;
30
31 struct regmap *regmap;
32
33 enum ssm2602_type type;
34 unsigned int clk_out_pwr;
35 };
36
37 /*
38 * ssm2602 register cache
39 * We can't read the ssm2602 register space when we are
40 * using 2 wire for device control, so we cache them instead.
41 * There is no point in caching the reset register
42 */
43 static const struct reg_default ssm2602_reg[SSM2602_CACHEREGNUM] = {
44 { .reg = 0x00, .def = 0x0097 },
45 { .reg = 0x01, .def = 0x0097 },
46 { .reg = 0x02, .def = 0x0079 },
47 { .reg = 0x03, .def = 0x0079 },
48 { .reg = 0x04, .def = 0x000a },
49 { .reg = 0x05, .def = 0x0008 },
50 { .reg = 0x06, .def = 0x009f },
51 { .reg = 0x07, .def = 0x000a },
52 { .reg = 0x08, .def = 0x0000 },
53 { .reg = 0x09, .def = 0x0000 }
54 };
55
56
57 /*Appending several "None"s just for OSS mixer use*/
58 static const char *ssm2602_input_select[] = {
59 "Line", "Mic",
60 };
61
62 static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
63
64 static const struct soc_enum ssm2602_enum[] = {
65 SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select),
66 ssm2602_input_select),
67 SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph),
68 ssm2602_deemph),
69 };
70
71 static const DECLARE_TLV_DB_RANGE(ssm260x_outmix_tlv,
72 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
73 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0)
74 );
75
76 static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0);
77 static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0);
78
79 static const struct snd_kcontrol_new ssm260x_snd_controls[] = {
80 SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0,
81 ssm260x_inpga_tlv),
82 SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1),
83
84 SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1),
85 SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0),
86
87 SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]),
88 };
89
90 static const struct snd_kcontrol_new ssm2602_snd_controls[] = {
91 SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V,
92 0, 127, 0, ssm260x_outmix_tlv),
93 SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V,
94 7, 1, 0),
95 SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1,
96 ssm260x_sidetone_tlv),
97
98 SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0),
99 SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0),
100 };
101
102 /* Output Mixer */
103 static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = {
104 SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0),
105 SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0),
106 SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0),
107 };
108
109 static const struct snd_kcontrol_new mic_ctl =
110 SOC_DAPM_SINGLE("Switch", SSM2602_APANA, 1, 1, 1);
111
112 /* Input mux */
113 static const struct snd_kcontrol_new ssm2602_input_mux_controls =
114 SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]);
115
ssm2602_mic_switch_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)116 static int ssm2602_mic_switch_event(struct snd_soc_dapm_widget *w,
117 struct snd_kcontrol *kcontrol, int event)
118 {
119 /*
120 * According to the ssm2603 data sheet (control register sequencing),
121 * the digital core should be activated only after all necessary bits
122 * in the power register are enabled, and a delay determined by the
123 * decoupling capacitor on the VMID pin has passed. If the digital core
124 * is activated too early, or even before the ADC is powered up, audible
125 * artifacts appear at the beginning and end of the recorded signal.
126 *
127 * In practice, audible artifacts disappear well over 500 ms.
128 */
129 msleep(500);
130
131 return 0;
132 }
133
134 static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = {
135 SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
136 SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
137 SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
138
139 SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0),
140
141 SND_SOC_DAPM_OUTPUT("LOUT"),
142 SND_SOC_DAPM_OUTPUT("ROUT"),
143 SND_SOC_DAPM_INPUT("RLINEIN"),
144 SND_SOC_DAPM_INPUT("LLINEIN"),
145 };
146
147 static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = {
148 SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1,
149 ssm260x_output_mixer_controls,
150 ARRAY_SIZE(ssm260x_output_mixer_controls)),
151
152 SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls),
153 SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1),
154
155 SND_SOC_DAPM_SWITCH_E("Mic Switch", SSM2602_APANA, 1, 1, &mic_ctl,
156 ssm2602_mic_switch_event, SND_SOC_DAPM_PRE_PMU),
157
158 SND_SOC_DAPM_OUTPUT("LHPOUT"),
159 SND_SOC_DAPM_OUTPUT("RHPOUT"),
160 SND_SOC_DAPM_INPUT("MICIN"),
161 };
162
163 static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = {
164 SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
165 ssm260x_output_mixer_controls,
166 ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */
167 };
168
169 static const struct snd_soc_dapm_route ssm260x_routes[] = {
170 {"DAC", NULL, "Digital Core Power"},
171 {"ADC", NULL, "Digital Core Power"},
172
173 {"Output Mixer", "Line Bypass Switch", "Line Input"},
174 {"Output Mixer", "HiFi Playback Switch", "DAC"},
175
176 {"ROUT", NULL, "Output Mixer"},
177 {"LOUT", NULL, "Output Mixer"},
178
179 {"Line Input", NULL, "LLINEIN"},
180 {"Line Input", NULL, "RLINEIN"},
181 };
182
183 static const struct snd_soc_dapm_route ssm2602_routes[] = {
184 {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
185
186 {"RHPOUT", NULL, "Output Mixer"},
187 {"LHPOUT", NULL, "Output Mixer"},
188
189 {"Input Mux", "Line", "Line Input"},
190 {"Input Mux", "Mic", "Mic Switch"},
191 {"ADC", NULL, "Input Mux"},
192
193 {"Mic Switch", NULL, "Mic Bias"},
194
195 {"Mic Bias", NULL, "MICIN"},
196 };
197
198 static const struct snd_soc_dapm_route ssm2604_routes[] = {
199 {"ADC", NULL, "Line Input"},
200 };
201
202 static const unsigned int ssm2602_rates_12288000[] = {
203 8000, 16000, 32000, 48000, 96000,
204 };
205
206 static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = {
207 .list = ssm2602_rates_12288000,
208 .count = ARRAY_SIZE(ssm2602_rates_12288000),
209 };
210
211 static const unsigned int ssm2602_rates_11289600[] = {
212 8000, 11025, 22050, 44100, 88200,
213 };
214
215 static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = {
216 .list = ssm2602_rates_11289600,
217 .count = ARRAY_SIZE(ssm2602_rates_11289600),
218 };
219
220 struct ssm2602_coeff {
221 u32 mclk;
222 u32 rate;
223 u8 srate;
224 };
225
226 #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb))
227
228 /* codec mclk clock coefficients */
229 static const struct ssm2602_coeff ssm2602_coeff_table[] = {
230 /* 48k */
231 {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)},
232 {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)},
233 {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)},
234
235 /* 32k */
236 {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)},
237 {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)},
238 {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)},
239
240 /* 16k */
241 {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)},
242 {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)},
243 {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)},
244
245 /* 8k */
246 {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)},
247 {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)},
248 {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)},
249 {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)},
250 {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)},
251
252 /* 96k */
253 {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)},
254 {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)},
255 {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)},
256
257 /* 11.025k */
258 {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)},
259 {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)},
260 {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)},
261
262 /* 22.05k */
263 {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)},
264 {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)},
265 {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)},
266
267 /* 44.1k */
268 {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)},
269 {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)},
270 {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)},
271
272 /* 88.2k */
273 {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)},
274 {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)},
275 {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)},
276 };
277
ssm2602_get_coeff(int mclk,int rate)278 static inline int ssm2602_get_coeff(int mclk, int rate)
279 {
280 int i;
281
282 for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) {
283 if (ssm2602_coeff_table[i].rate == rate &&
284 ssm2602_coeff_table[i].mclk == mclk)
285 return ssm2602_coeff_table[i].srate;
286 }
287 return -EINVAL;
288 }
289
ssm2602_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)290 static int ssm2602_hw_params(struct snd_pcm_substream *substream,
291 struct snd_pcm_hw_params *params,
292 struct snd_soc_dai *dai)
293 {
294 struct snd_soc_component *component = dai->component;
295 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
296 int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
297 unsigned int iface;
298
299 if (srate < 0)
300 return srate;
301
302 regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
303
304 /* bit size */
305 switch (params_width(params)) {
306 case 16:
307 iface = 0x0;
308 break;
309 case 20:
310 iface = 0x4;
311 break;
312 case 24:
313 iface = 0x8;
314 break;
315 case 32:
316 iface = 0xc;
317 break;
318 default:
319 return -EINVAL;
320 }
321 regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
322 IFACE_AUDIO_DATA_LEN, iface);
323 return 0;
324 }
325
ssm2602_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)326 static int ssm2602_startup(struct snd_pcm_substream *substream,
327 struct snd_soc_dai *dai)
328 {
329 struct snd_soc_component *component = dai->component;
330 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
331
332 if (ssm2602->sysclk_constraints) {
333 snd_pcm_hw_constraint_list(substream->runtime, 0,
334 SNDRV_PCM_HW_PARAM_RATE,
335 ssm2602->sysclk_constraints);
336 }
337
338 return 0;
339 }
340
ssm2602_mute(struct snd_soc_dai * dai,int mute,int direction)341 static int ssm2602_mute(struct snd_soc_dai *dai, int mute, int direction)
342 {
343 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(dai->component);
344
345 if (mute)
346 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
347 APDIGI_ENABLE_DAC_MUTE,
348 APDIGI_ENABLE_DAC_MUTE);
349 else
350 regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
351 APDIGI_ENABLE_DAC_MUTE, 0);
352 return 0;
353 }
354
ssm2602_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)355 static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
356 int clk_id, unsigned int freq, int dir)
357 {
358 struct snd_soc_component *component = codec_dai->component;
359 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
360
361 if (dir == SND_SOC_CLOCK_IN) {
362 if (clk_id != SSM2602_SYSCLK)
363 return -EINVAL;
364
365 switch (freq) {
366 case 12288000:
367 case 18432000:
368 ssm2602->sysclk_constraints = &ssm2602_constraints_12288000;
369 break;
370 case 11289600:
371 case 16934400:
372 ssm2602->sysclk_constraints = &ssm2602_constraints_11289600;
373 break;
374 case 12000000:
375 ssm2602->sysclk_constraints = NULL;
376 break;
377 default:
378 return -EINVAL;
379 }
380 ssm2602->sysclk = freq;
381 } else {
382 unsigned int mask;
383
384 switch (clk_id) {
385 case SSM2602_CLK_CLKOUT:
386 mask = PWR_CLK_OUT_PDN;
387 break;
388 case SSM2602_CLK_XTO:
389 mask = PWR_OSC_PDN;
390 break;
391 default:
392 return -EINVAL;
393 }
394
395 if (freq == 0)
396 ssm2602->clk_out_pwr |= mask;
397 else
398 ssm2602->clk_out_pwr &= ~mask;
399
400 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
401 PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
402 }
403
404 return 0;
405 }
406
ssm2602_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)407 static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
408 unsigned int fmt)
409 {
410 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(codec_dai->component);
411 unsigned int iface = 0;
412
413 /* set master/slave audio interface */
414 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
415 case SND_SOC_DAIFMT_CBM_CFM:
416 iface |= 0x0040;
417 break;
418 case SND_SOC_DAIFMT_CBS_CFS:
419 break;
420 default:
421 return -EINVAL;
422 }
423
424 /* interface format */
425 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
426 case SND_SOC_DAIFMT_I2S:
427 iface |= 0x0002;
428 break;
429 case SND_SOC_DAIFMT_RIGHT_J:
430 break;
431 case SND_SOC_DAIFMT_LEFT_J:
432 iface |= 0x0001;
433 break;
434 case SND_SOC_DAIFMT_DSP_A:
435 iface |= 0x0013;
436 break;
437 case SND_SOC_DAIFMT_DSP_B:
438 iface |= 0x0003;
439 break;
440 default:
441 return -EINVAL;
442 }
443
444 /* clock inversion */
445 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
446 case SND_SOC_DAIFMT_NB_NF:
447 break;
448 case SND_SOC_DAIFMT_IB_IF:
449 iface |= 0x0090;
450 break;
451 case SND_SOC_DAIFMT_IB_NF:
452 iface |= 0x0080;
453 break;
454 case SND_SOC_DAIFMT_NB_IF:
455 iface |= 0x0010;
456 break;
457 default:
458 return -EINVAL;
459 }
460
461 /* set iface */
462 regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
463 return 0;
464 }
465
ssm2602_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)466 static int ssm2602_set_bias_level(struct snd_soc_component *component,
467 enum snd_soc_bias_level level)
468 {
469 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
470
471 switch (level) {
472 case SND_SOC_BIAS_ON:
473 /* vref/mid on, osc and clkout on if enabled */
474 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
475 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
476 ssm2602->clk_out_pwr);
477 break;
478 case SND_SOC_BIAS_PREPARE:
479 break;
480 case SND_SOC_BIAS_STANDBY:
481 /* everything off except vref/vmid, */
482 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
483 PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
484 PWR_CLK_OUT_PDN | PWR_OSC_PDN);
485 break;
486 case SND_SOC_BIAS_OFF:
487 /* everything off */
488 regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
489 PWR_POWER_OFF, PWR_POWER_OFF);
490 break;
491
492 }
493 return 0;
494 }
495
496 #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
497 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
498 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
499 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
500 SNDRV_PCM_RATE_96000)
501
502 #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
503 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
504
505 static const struct snd_soc_dai_ops ssm2602_dai_ops = {
506 .startup = ssm2602_startup,
507 .hw_params = ssm2602_hw_params,
508 .mute_stream = ssm2602_mute,
509 .set_sysclk = ssm2602_set_dai_sysclk,
510 .set_fmt = ssm2602_set_dai_fmt,
511 .no_capture_mute = 1,
512 };
513
514 static struct snd_soc_dai_driver ssm2602_dai = {
515 .name = "ssm2602-hifi",
516 .playback = {
517 .stream_name = "Playback",
518 .channels_min = 2,
519 .channels_max = 2,
520 .rates = SSM2602_RATES,
521 .formats = SSM2602_FORMATS,},
522 .capture = {
523 .stream_name = "Capture",
524 .channels_min = 2,
525 .channels_max = 2,
526 .rates = SSM2602_RATES,
527 .formats = SSM2602_FORMATS,},
528 .ops = &ssm2602_dai_ops,
529 .symmetric_rates = 1,
530 .symmetric_samplebits = 1,
531 };
532
ssm2602_resume(struct snd_soc_component * component)533 static int ssm2602_resume(struct snd_soc_component *component)
534 {
535 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
536
537 regcache_sync(ssm2602->regmap);
538
539 return 0;
540 }
541
ssm2602_component_probe(struct snd_soc_component * component)542 static int ssm2602_component_probe(struct snd_soc_component *component)
543 {
544 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
545 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
546 int ret;
547
548 regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
549 LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
550 regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
551 ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
552
553 ret = snd_soc_add_component_controls(component, ssm2602_snd_controls,
554 ARRAY_SIZE(ssm2602_snd_controls));
555 if (ret)
556 return ret;
557
558 ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets,
559 ARRAY_SIZE(ssm2602_dapm_widgets));
560 if (ret)
561 return ret;
562
563 return snd_soc_dapm_add_routes(dapm, ssm2602_routes,
564 ARRAY_SIZE(ssm2602_routes));
565 }
566
ssm2604_component_probe(struct snd_soc_component * component)567 static int ssm2604_component_probe(struct snd_soc_component *component)
568 {
569 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
570 int ret;
571
572 ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets,
573 ARRAY_SIZE(ssm2604_dapm_widgets));
574 if (ret)
575 return ret;
576
577 return snd_soc_dapm_add_routes(dapm, ssm2604_routes,
578 ARRAY_SIZE(ssm2604_routes));
579 }
580
ssm260x_component_probe(struct snd_soc_component * component)581 static int ssm260x_component_probe(struct snd_soc_component *component)
582 {
583 struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component);
584 int ret;
585
586 ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
587 if (ret < 0) {
588 dev_err(component->dev, "Failed to issue reset: %d\n", ret);
589 return ret;
590 }
591
592 /* set the update bits */
593 regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
594 LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
595 regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
596 RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
597 /*select Line in as default input*/
598 regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
599 APANA_ENABLE_MIC_BOOST);
600
601 switch (ssm2602->type) {
602 case SSM2602:
603 ret = ssm2602_component_probe(component);
604 break;
605 case SSM2604:
606 ret = ssm2604_component_probe(component);
607 break;
608 }
609
610 return ret;
611 }
612
613 static const struct snd_soc_component_driver soc_component_dev_ssm2602 = {
614 .probe = ssm260x_component_probe,
615 .resume = ssm2602_resume,
616 .set_bias_level = ssm2602_set_bias_level,
617 .controls = ssm260x_snd_controls,
618 .num_controls = ARRAY_SIZE(ssm260x_snd_controls),
619 .dapm_widgets = ssm260x_dapm_widgets,
620 .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets),
621 .dapm_routes = ssm260x_routes,
622 .num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
623 .suspend_bias_off = 1,
624 .idle_bias_on = 1,
625 .use_pmdown_time = 1,
626 .endianness = 1,
627 .non_legacy_dai_naming = 1,
628 };
629
ssm2602_register_volatile(struct device * dev,unsigned int reg)630 static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
631 {
632 return reg == SSM2602_RESET;
633 }
634
635 const struct regmap_config ssm2602_regmap_config = {
636 .val_bits = 9,
637 .reg_bits = 7,
638
639 .max_register = SSM2602_RESET,
640 .volatile_reg = ssm2602_register_volatile,
641
642 .cache_type = REGCACHE_RBTREE,
643 .reg_defaults = ssm2602_reg,
644 .num_reg_defaults = ARRAY_SIZE(ssm2602_reg),
645 };
646 EXPORT_SYMBOL_GPL(ssm2602_regmap_config);
647
ssm2602_probe(struct device * dev,enum ssm2602_type type,struct regmap * regmap)648 int ssm2602_probe(struct device *dev, enum ssm2602_type type,
649 struct regmap *regmap)
650 {
651 struct ssm2602_priv *ssm2602;
652
653 if (IS_ERR(regmap))
654 return PTR_ERR(regmap);
655
656 ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL);
657 if (ssm2602 == NULL)
658 return -ENOMEM;
659
660 dev_set_drvdata(dev, ssm2602);
661 ssm2602->type = type;
662 ssm2602->regmap = regmap;
663
664 return devm_snd_soc_register_component(dev, &soc_component_dev_ssm2602,
665 &ssm2602_dai, 1);
666 }
667 EXPORT_SYMBOL_GPL(ssm2602_probe);
668
669 MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver");
670 MODULE_AUTHOR("Cliff Cai");
671 MODULE_LICENSE("GPL");
672
