1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * TAS571x amplifier audio driver
4 *
5 * Copyright (C) 2015 Google, Inc.
6 * Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
7 *
8 * TAS5721 support:
9 * Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
10 *
11 * TAS5707 support:
12 * Copyright (C) 2018 Jerome Brunet, Baylibre SAS <jbrunet@baylibre.com>
13 */
14
15 #include <linux/clk.h>
16 #include <linux/delay.h>
17 #include <linux/device.h>
18 #include <linux/gpio/consumer.h>
19 #include <linux/i2c.h>
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/of.h>
24 #include <linux/regmap.h>
25 #include <linux/regulator/consumer.h>
26 #include <linux/stddef.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/tlv.h>
30 #include <linux/unaligned.h>
31
32 #include "tas571x.h"
33
34 #define TAS571X_MAX_SUPPLIES 6
35
36 struct tas571x_chip {
37 const char *const *supply_names;
38 int num_supply_names;
39 const struct snd_kcontrol_new *controls;
40 int num_controls;
41 const struct regmap_config *regmap_config;
42 int vol_reg_size;
43 };
44
45 struct tas571x_private {
46 const struct tas571x_chip *chip;
47 struct regmap *regmap;
48 struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES];
49 struct clk *mclk;
50 unsigned int format;
51 struct gpio_desc *reset_gpio;
52 struct gpio_desc *pdn_gpio;
53 struct snd_soc_component_driver component_driver;
54 };
55
tas571x_register_size(struct tas571x_private * priv,unsigned int reg)56 static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
57 {
58 switch (reg) {
59 case TAS571X_MVOL_REG:
60 case TAS571X_CH1_VOL_REG:
61 case TAS571X_CH2_VOL_REG:
62 return priv->chip->vol_reg_size;
63 case TAS571X_INPUT_MUX_REG:
64 case TAS571X_CH4_SRC_SELECT_REG:
65 case TAS571X_PWM_MUX_REG:
66 case TAS5717_CH1_RIGHT_CH_MIX_REG:
67 case TAS5717_CH1_LEFT_CH_MIX_REG:
68 case TAS5717_CH2_LEFT_CH_MIX_REG:
69 case TAS5717_CH2_RIGHT_CH_MIX_REG:
70 return 4;
71 default:
72 return 1;
73 }
74 }
75
tas571x_reg_write(void * context,unsigned int reg,unsigned int value)76 static int tas571x_reg_write(void *context, unsigned int reg,
77 unsigned int value)
78 {
79 struct i2c_client *client = context;
80 struct tas571x_private *priv = i2c_get_clientdata(client);
81 unsigned int i, size;
82 uint8_t buf[5];
83 int ret;
84
85 size = tas571x_register_size(priv, reg);
86 buf[0] = reg;
87
88 for (i = size; i >= 1; --i) {
89 buf[i] = value;
90 value >>= 8;
91 }
92
93 ret = i2c_master_send(client, buf, size + 1);
94 if (ret == size + 1)
95 return 0;
96 else if (ret < 0)
97 return ret;
98 else
99 return -EIO;
100 }
101
tas571x_reg_read(void * context,unsigned int reg,unsigned int * value)102 static int tas571x_reg_read(void *context, unsigned int reg,
103 unsigned int *value)
104 {
105 struct i2c_client *client = context;
106 struct tas571x_private *priv = i2c_get_clientdata(client);
107 uint8_t send_buf, recv_buf[4];
108 struct i2c_msg msgs[2];
109 unsigned int size;
110 unsigned int i;
111 int ret;
112
113 size = tas571x_register_size(priv, reg);
114 send_buf = reg;
115
116 msgs[0].addr = client->addr;
117 msgs[0].len = sizeof(send_buf);
118 msgs[0].buf = &send_buf;
119 msgs[0].flags = 0;
120
121 msgs[1].addr = client->addr;
122 msgs[1].len = size;
123 msgs[1].buf = recv_buf;
124 msgs[1].flags = I2C_M_RD;
125
126 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
127 if (ret < 0)
128 return ret;
129 else if (ret != ARRAY_SIZE(msgs))
130 return -EIO;
131
132 *value = 0;
133
134 for (i = 0; i < size; i++) {
135 *value <<= 8;
136 *value |= recv_buf[i];
137 }
138
139 return 0;
140 }
141
142 /*
143 * register write for 8- and 20-byte registers
144 */
tas571x_reg_write_multiword(struct i2c_client * client,unsigned int reg,const long values[],size_t len)145 static int tas571x_reg_write_multiword(struct i2c_client *client,
146 unsigned int reg, const long values[], size_t len)
147 {
148 size_t i;
149 uint8_t *buf, *p;
150 int ret;
151 size_t send_size = 1 + len * sizeof(uint32_t);
152
153 buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA);
154 if (!buf)
155 return -ENOMEM;
156 buf[0] = reg;
157
158 for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t))
159 put_unaligned_be32(values[i], p);
160
161 ret = i2c_master_send(client, buf, send_size);
162
163 kfree(buf);
164
165 if (ret == send_size)
166 return 0;
167 else if (ret < 0)
168 return ret;
169 else
170 return -EIO;
171 }
172
173 /*
174 * register read for 8- and 20-byte registers
175 */
tas571x_reg_read_multiword(struct i2c_client * client,unsigned int reg,long values[],size_t len)176 static int tas571x_reg_read_multiword(struct i2c_client *client,
177 unsigned int reg, long values[], size_t len)
178 {
179 unsigned int i;
180 uint8_t send_buf;
181 uint8_t *recv_buf, *p;
182 struct i2c_msg msgs[2];
183 unsigned int recv_size = len * sizeof(uint32_t);
184 int ret;
185
186 recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA);
187 if (!recv_buf)
188 return -ENOMEM;
189
190 send_buf = reg;
191
192 msgs[0].addr = client->addr;
193 msgs[0].len = sizeof(send_buf);
194 msgs[0].buf = &send_buf;
195 msgs[0].flags = 0;
196
197 msgs[1].addr = client->addr;
198 msgs[1].len = recv_size;
199 msgs[1].buf = recv_buf;
200 msgs[1].flags = I2C_M_RD;
201
202 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
203 if (ret < 0)
204 goto err_ret;
205 else if (ret != ARRAY_SIZE(msgs)) {
206 ret = -EIO;
207 goto err_ret;
208 }
209
210 for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t))
211 values[i] = get_unaligned_be32(p);
212
213 err_ret:
214 kfree(recv_buf);
215 return ret;
216 }
217
218 /*
219 * Integer array controls for setting biquad, mixer, DRC coefficients.
220 * According to the datasheet each coefficient is effectively 26bits,
221 * i.e. stored as 32bits, where bits [31:26] are ignored.
222 * TI's TAS57xx Graphical Development Environment tool however produces
223 * coefficients with more than 26 bits. For this reason we allow values
224 * in the full 32-bits reange.
225 * The coefficients are ordered as given in the TAS571x data sheet:
226 * b0, b1, b2, a1, a2
227 */
228
tas571x_coefficient_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)229 static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol,
230 struct snd_ctl_elem_info *uinfo)
231 {
232 int numcoef = kcontrol->private_value >> 16;
233
234 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
235 uinfo->count = numcoef;
236 uinfo->value.integer.min = 0;
237 uinfo->value.integer.max = 0xffffffff;
238 return 0;
239 }
240
tas571x_coefficient_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)241 static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol,
242 struct snd_ctl_elem_value *ucontrol)
243 {
244 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
245 struct i2c_client *i2c = to_i2c_client(component->dev);
246 int numcoef = kcontrol->private_value >> 16;
247 int index = kcontrol->private_value & 0xffff;
248
249 return tas571x_reg_read_multiword(i2c, index,
250 ucontrol->value.integer.value, numcoef);
251 }
252
tas571x_coefficient_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)253 static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol,
254 struct snd_ctl_elem_value *ucontrol)
255 {
256 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
257 struct i2c_client *i2c = to_i2c_client(component->dev);
258 int numcoef = kcontrol->private_value >> 16;
259 int index = kcontrol->private_value & 0xffff;
260
261 return tas571x_reg_write_multiword(i2c, index,
262 ucontrol->value.integer.value, numcoef);
263 }
264
tas571x_set_dai_fmt(struct snd_soc_dai * dai,unsigned int format)265 static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format)
266 {
267 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
268
269 priv->format = format;
270
271 return 0;
272 }
273
tas571x_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)274 static int tas571x_hw_params(struct snd_pcm_substream *substream,
275 struct snd_pcm_hw_params *params,
276 struct snd_soc_dai *dai)
277 {
278 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
279 u32 val;
280
281 switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
282 case SND_SOC_DAIFMT_RIGHT_J:
283 val = 0x00;
284 break;
285 case SND_SOC_DAIFMT_I2S:
286 val = 0x03;
287 break;
288 case SND_SOC_DAIFMT_LEFT_J:
289 val = 0x06;
290 break;
291 default:
292 return -EINVAL;
293 }
294
295 if (params_width(params) >= 24)
296 val += 2;
297 else if (params_width(params) >= 20)
298 val += 1;
299
300 return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
301 TAS571X_SDI_FMT_MASK, val);
302 }
303
tas571x_mute(struct snd_soc_dai * dai,int mute,int direction)304 static int tas571x_mute(struct snd_soc_dai *dai, int mute, int direction)
305 {
306 struct snd_soc_component *component = dai->component;
307 u8 sysctl2;
308 int ret;
309
310 sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;
311
312 ret = snd_soc_component_update_bits(component,
313 TAS571X_SYS_CTRL_2_REG,
314 TAS571X_SYS_CTRL_2_SDN_MASK,
315 sysctl2);
316 usleep_range(1000, 2000);
317
318 return ret;
319 }
320
tas571x_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)321 static int tas571x_set_bias_level(struct snd_soc_component *component,
322 enum snd_soc_bias_level level)
323 {
324 struct tas571x_private *priv = snd_soc_component_get_drvdata(component);
325 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
326 int ret;
327
328 switch (level) {
329 case SND_SOC_BIAS_ON:
330 break;
331 case SND_SOC_BIAS_PREPARE:
332 break;
333 case SND_SOC_BIAS_STANDBY:
334 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
335 if (!IS_ERR(priv->mclk)) {
336 ret = clk_prepare_enable(priv->mclk);
337 if (ret) {
338 dev_err(component->dev,
339 "Failed to enable master clock: %d\n",
340 ret);
341 return ret;
342 }
343 }
344 }
345 break;
346 case SND_SOC_BIAS_OFF:
347 if (!IS_ERR(priv->mclk))
348 clk_disable_unprepare(priv->mclk);
349 break;
350 }
351
352 return 0;
353 }
354
355 static const struct snd_soc_dai_ops tas571x_dai_ops = {
356 .set_fmt = tas571x_set_dai_fmt,
357 .hw_params = tas571x_hw_params,
358 .mute_stream = tas571x_mute,
359 .no_capture_mute = 1,
360 };
361
362
363 #define BIQUAD_COEFS(xname, reg) \
364 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
365 .info = tas571x_coefficient_info, \
366 .get = tas571x_coefficient_get,\
367 .put = tas571x_coefficient_put, \
368 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
369 .private_value = reg | (5 << 16) }
370
371 static const char *const tas5711_supply_names[] = {
372 "AVDD",
373 "DVDD",
374 "PVDD_A",
375 "PVDD_B",
376 "PVDD_C",
377 "PVDD_D",
378 };
379
380 static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);
381
382 static const struct snd_kcontrol_new tas5711_controls[] = {
383 SOC_SINGLE_TLV("Master Volume",
384 TAS571X_MVOL_REG,
385 0, 0xff, 1, tas5711_volume_tlv),
386 SOC_DOUBLE_R_TLV("Speaker Volume",
387 TAS571X_CH1_VOL_REG,
388 TAS571X_CH2_VOL_REG,
389 0, 0xff, 1, tas5711_volume_tlv),
390 SOC_DOUBLE("Speaker Switch",
391 TAS571X_SOFT_MUTE_REG,
392 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
393 1, 1),
394 };
395
396 static const struct regmap_range tas571x_readonly_regs_range[] = {
397 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG),
398 };
399
400 static const struct regmap_range tas571x_volatile_regs_range[] = {
401 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
402 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
403 };
404
405 static const struct regmap_access_table tas571x_write_regs = {
406 .no_ranges = tas571x_readonly_regs_range,
407 .n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range),
408 };
409
410 static const struct regmap_access_table tas571x_volatile_regs = {
411 .yes_ranges = tas571x_volatile_regs_range,
412 .n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range),
413
414 };
415
416 static const struct reg_default tas5711_reg_defaults[] = {
417 { 0x04, 0x05 },
418 { 0x05, 0x40 },
419 { 0x06, 0x00 },
420 { 0x07, 0xff },
421 { 0x08, 0x30 },
422 { 0x09, 0x30 },
423 { 0x1b, 0x82 },
424 };
425
426 static const struct regmap_config tas5711_regmap_config = {
427 .reg_bits = 8,
428 .val_bits = 32,
429 .max_register = 0xff,
430 .reg_read = tas571x_reg_read,
431 .reg_write = tas571x_reg_write,
432 .reg_defaults = tas5711_reg_defaults,
433 .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults),
434 .cache_type = REGCACHE_RBTREE,
435 .wr_table = &tas571x_write_regs,
436 .volatile_table = &tas571x_volatile_regs,
437 };
438
439 static const struct tas571x_chip tas5711_chip = {
440 .supply_names = tas5711_supply_names,
441 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
442 .controls = tas5711_controls,
443 .num_controls = ARRAY_SIZE(tas5711_controls),
444 .regmap_config = &tas5711_regmap_config,
445 .vol_reg_size = 1,
446 };
447
448 static const struct regmap_range tas5707_volatile_regs_range[] = {
449 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
450 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
451 regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
452 };
453
454 static const struct regmap_access_table tas5707_volatile_regs = {
455 .yes_ranges = tas5707_volatile_regs_range,
456 .n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range),
457
458 };
459
460 static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);
461
462 static const char * const tas5707_volume_slew_step_txt[] = {
463 "256", "512", "1024", "2048",
464 };
465
466 static const unsigned int tas5707_volume_slew_step_values[] = {
467 3, 0, 1, 2,
468 };
469
470 static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
471 TAS571X_VOL_CFG_REG, 0, 0x3,
472 tas5707_volume_slew_step_txt,
473 tas5707_volume_slew_step_values);
474
475 static const struct snd_kcontrol_new tas5707_controls[] = {
476 SOC_SINGLE_TLV("Master Volume",
477 TAS571X_MVOL_REG,
478 0, 0xff, 1, tas5707_volume_tlv),
479 SOC_DOUBLE_R_TLV("Speaker Volume",
480 TAS571X_CH1_VOL_REG,
481 TAS571X_CH2_VOL_REG,
482 0, 0xff, 1, tas5707_volume_tlv),
483 SOC_DOUBLE("Speaker Switch",
484 TAS571X_SOFT_MUTE_REG,
485 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
486 1, 1),
487
488 SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),
489
490 BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
491 BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
492 BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
493 BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
494 BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
495 BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
496 BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),
497
498 BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
499 BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
500 BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
501 BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
502 BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
503 BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
504 BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
505 };
506
507 static const struct reg_default tas5707_reg_defaults[] = {
508 {TAS571X_CLK_CTRL_REG, 0x6c},
509 {TAS571X_DEV_ID_REG, 0x70},
510 {TAS571X_ERR_STATUS_REG, 0x00},
511 {TAS571X_SYS_CTRL_1_REG, 0xa0},
512 {TAS571X_SDI_REG, 0x05},
513 {TAS571X_SYS_CTRL_2_REG, 0x40},
514 {TAS571X_SOFT_MUTE_REG, 0x00},
515 {TAS571X_MVOL_REG, 0xff},
516 {TAS571X_CH1_VOL_REG, 0x30},
517 {TAS571X_CH2_VOL_REG, 0x30},
518 {TAS571X_VOL_CFG_REG, 0x91},
519 {TAS571X_MODULATION_LIMIT_REG, 0x02},
520 {TAS571X_IC_DELAY_CH1_REG, 0xac},
521 {TAS571X_IC_DELAY_CH2_REG, 0x54},
522 {TAS571X_IC_DELAY_CH3_REG, 0xac},
523 {TAS571X_IC_DELAY_CH4_REG, 0x54},
524 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
525 {TAS571X_OSC_TRIM_REG, 0x82},
526 {TAS571X_BKND_ERR_REG, 0x02},
527 {TAS571X_INPUT_MUX_REG, 0x17772},
528 {TAS571X_PWM_MUX_REG, 0x1021345},
529 };
530
531 static const struct regmap_config tas5707_regmap_config = {
532 .reg_bits = 8,
533 .val_bits = 32,
534 .max_register = 0xff,
535 .reg_read = tas571x_reg_read,
536 .reg_write = tas571x_reg_write,
537 .reg_defaults = tas5707_reg_defaults,
538 .num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults),
539 .cache_type = REGCACHE_RBTREE,
540 .wr_table = &tas571x_write_regs,
541 .volatile_table = &tas5707_volatile_regs,
542 };
543
544 static const struct tas571x_chip tas5707_chip = {
545 .supply_names = tas5711_supply_names,
546 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
547 .controls = tas5707_controls,
548 .num_controls = ARRAY_SIZE(tas5707_controls),
549 .regmap_config = &tas5707_regmap_config,
550 .vol_reg_size = 1,
551 };
552
553 static const char *const tas5717_supply_names[] = {
554 "AVDD",
555 "DVDD",
556 "HPVDD",
557 "PVDD_AB",
558 "PVDD_CD",
559 };
560
561 static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);
562
563 static const struct snd_kcontrol_new tas5717_controls[] = {
564 /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
565 SOC_SINGLE_TLV("Master Volume",
566 TAS571X_MVOL_REG, 1, 0x1ff, 1,
567 tas5717_volume_tlv),
568 SOC_DOUBLE_R_TLV("Speaker Volume",
569 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
570 1, 0x1ff, 1, tas5717_volume_tlv),
571 SOC_DOUBLE("Speaker Switch",
572 TAS571X_SOFT_MUTE_REG,
573 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
574 1, 1),
575
576 SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
577 TAS5717_CH1_LEFT_CH_MIX_REG,
578 TAS5717_CH1_RIGHT_CH_MIX_REG,
579 16, 0, 0x80, 0),
580
581 SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
582 TAS5717_CH2_LEFT_CH_MIX_REG,
583 TAS5717_CH2_RIGHT_CH_MIX_REG,
584 16, 0, 0x80, 0),
585
586 /*
587 * The biquads are named according to the register names.
588 * Please note that TI's TAS57xx Graphical Development Environment
589 * tool names them different.
590 */
591 BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
592 BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
593 BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
594 BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
595 BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
596 BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
597 BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
598 BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
599 BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
600 BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
601 BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
602 BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),
603
604 BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
605 BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
606 BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
607 BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
608 BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
609 BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
610 BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
611 BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
612 BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
613 BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
614 BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
615 BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),
616
617 BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
618 BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),
619
620 BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
621 BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
622 };
623
624 static const struct reg_default tas5717_reg_defaults[] = {
625 { 0x04, 0x05 },
626 { 0x05, 0x40 },
627 { 0x06, 0x00 },
628 { 0x07, 0x03ff },
629 { 0x08, 0x00c0 },
630 { 0x09, 0x00c0 },
631 { 0x1b, 0x82 },
632 { TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
633 { TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
634 { TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
635 { TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
636 };
637
638 static const struct regmap_config tas5717_regmap_config = {
639 .reg_bits = 8,
640 .val_bits = 32,
641 .max_register = 0xff,
642 .reg_read = tas571x_reg_read,
643 .reg_write = tas571x_reg_write,
644 .reg_defaults = tas5717_reg_defaults,
645 .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults),
646 .cache_type = REGCACHE_RBTREE,
647 .wr_table = &tas571x_write_regs,
648 .volatile_table = &tas571x_volatile_regs,
649 };
650
651 /* This entry is reused for tas5719 as the software interface is identical. */
652 static const struct tas571x_chip tas5717_chip = {
653 .supply_names = tas5717_supply_names,
654 .num_supply_names = ARRAY_SIZE(tas5717_supply_names),
655 .controls = tas5717_controls,
656 .num_controls = ARRAY_SIZE(tas5717_controls),
657 .regmap_config = &tas5717_regmap_config,
658 .vol_reg_size = 2,
659 };
660
661 static const char *const tas5721_supply_names[] = {
662 "AVDD",
663 "DVDD",
664 "DRVDD",
665 "PVDD",
666 };
667
668 static const struct snd_kcontrol_new tas5721_controls[] = {
669 SOC_SINGLE_TLV("Master Volume",
670 TAS571X_MVOL_REG,
671 0, 0xff, 1, tas5711_volume_tlv),
672 SOC_DOUBLE_R_TLV("Speaker Volume",
673 TAS571X_CH1_VOL_REG,
674 TAS571X_CH2_VOL_REG,
675 0, 0xff, 1, tas5711_volume_tlv),
676 SOC_DOUBLE("Speaker Switch",
677 TAS571X_SOFT_MUTE_REG,
678 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
679 1, 1),
680 };
681
682 static const struct reg_default tas5721_reg_defaults[] = {
683 {TAS571X_CLK_CTRL_REG, 0x6c},
684 {TAS571X_DEV_ID_REG, 0x00},
685 {TAS571X_ERR_STATUS_REG, 0x00},
686 {TAS571X_SYS_CTRL_1_REG, 0xa0},
687 {TAS571X_SDI_REG, 0x05},
688 {TAS571X_SYS_CTRL_2_REG, 0x40},
689 {TAS571X_SOFT_MUTE_REG, 0x00},
690 {TAS571X_MVOL_REG, 0xff},
691 {TAS571X_CH1_VOL_REG, 0x30},
692 {TAS571X_CH2_VOL_REG, 0x30},
693 {TAS571X_CH3_VOL_REG, 0x30},
694 {TAS571X_VOL_CFG_REG, 0x91},
695 {TAS571X_MODULATION_LIMIT_REG, 0x02},
696 {TAS571X_IC_DELAY_CH1_REG, 0xac},
697 {TAS571X_IC_DELAY_CH2_REG, 0x54},
698 {TAS571X_IC_DELAY_CH3_REG, 0xac},
699 {TAS571X_IC_DELAY_CH4_REG, 0x54},
700 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
701 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
702 {TAS571X_OSC_TRIM_REG, 0x82},
703 {TAS571X_BKND_ERR_REG, 0x02},
704 {TAS571X_INPUT_MUX_REG, 0x17772},
705 {TAS571X_CH4_SRC_SELECT_REG, 0x4303},
706 {TAS571X_PWM_MUX_REG, 0x1021345},
707 };
708
709 static const struct regmap_config tas5721_regmap_config = {
710 .reg_bits = 8,
711 .val_bits = 32,
712 .max_register = 0xff,
713 .reg_read = tas571x_reg_read,
714 .reg_write = tas571x_reg_write,
715 .reg_defaults = tas5721_reg_defaults,
716 .num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
717 .cache_type = REGCACHE_RBTREE,
718 .wr_table = &tas571x_write_regs,
719 .volatile_table = &tas571x_volatile_regs,
720 };
721
722 static const struct snd_kcontrol_new tas5733_controls[] = {
723 /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
724 SOC_SINGLE_TLV("Master Volume",
725 TAS571X_MVOL_REG, 1, 0x1ff, 1,
726 tas5717_volume_tlv),
727 SOC_DOUBLE_R_TLV("Speaker Volume",
728 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
729 1, 0x1ff, 1, tas5717_volume_tlv),
730 SOC_DOUBLE("Speaker Switch",
731 TAS571X_SOFT_MUTE_REG,
732 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
733 1, 1),
734
735 SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
736 TAS5717_CH1_LEFT_CH_MIX_REG,
737 TAS5717_CH1_RIGHT_CH_MIX_REG,
738 16, 0, 0x80, 0),
739
740 SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
741 TAS5717_CH2_LEFT_CH_MIX_REG,
742 TAS5717_CH2_RIGHT_CH_MIX_REG,
743 16, 0, 0x80, 0),
744
745 /*
746 * The biquads are named according to the register names.
747 * Please note that TI's TAS57xx Graphical Development Environment
748 * tool names them different.
749 */
750 BIQUAD_COEFS("CH1 - Biquad 0", TAS5733_CH1_BQ0_REG),
751 BIQUAD_COEFS("CH1 - Biquad 1", TAS5733_CH1_BQ1_REG),
752 BIQUAD_COEFS("CH1 - Biquad 2", TAS5733_CH1_BQ2_REG),
753 BIQUAD_COEFS("CH1 - Biquad 3", TAS5733_CH1_BQ3_REG),
754 BIQUAD_COEFS("CH1 - Biquad 4", TAS5733_CH1_BQ4_REG),
755 BIQUAD_COEFS("CH1 - Biquad 5", TAS5733_CH1_BQ5_REG),
756 BIQUAD_COEFS("CH1 - Biquad 6", TAS5733_CH1_BQ6_REG),
757 BIQUAD_COEFS("CH1 - Biquad 7", TAS5733_CH1_BQ7_REG),
758 BIQUAD_COEFS("CH1 - Biquad 8", TAS5733_CH1_BQ8_REG),
759 BIQUAD_COEFS("CH1 - Biquad 9", TAS5733_CH1_BQ9_REG),
760 BIQUAD_COEFS("CH1 - Biquad 10", TAS5733_CH1_BQ10_REG),
761
762 BIQUAD_COEFS("CH2 - Biquad 0", TAS5733_CH2_BQ0_REG),
763 BIQUAD_COEFS("CH2 - Biquad 1", TAS5733_CH2_BQ1_REG),
764 BIQUAD_COEFS("CH2 - Biquad 2", TAS5733_CH2_BQ2_REG),
765 BIQUAD_COEFS("CH2 - Biquad 3", TAS5733_CH2_BQ3_REG),
766 BIQUAD_COEFS("CH2 - Biquad 4", TAS5733_CH2_BQ4_REG),
767 BIQUAD_COEFS("CH2 - Biquad 5", TAS5733_CH2_BQ5_REG),
768 BIQUAD_COEFS("CH2 - Biquad 6", TAS5733_CH2_BQ6_REG),
769 BIQUAD_COEFS("CH2 - Biquad 7", TAS5733_CH2_BQ7_REG),
770 BIQUAD_COEFS("CH2 - Biquad 8", TAS5733_CH2_BQ8_REG),
771 BIQUAD_COEFS("CH2 - Biquad 9", TAS5733_CH2_BQ9_REG),
772 BIQUAD_COEFS("CH2 - Biquad 10", TAS5733_CH2_BQ10_REG),
773
774 BIQUAD_COEFS("CH1 - Cross Biquad 0", TAS5733_CH1_CBQ0_REG),
775 BIQUAD_COEFS("CH1 - Cross Biquad 1", TAS5733_CH1_CBQ1_REG),
776 BIQUAD_COEFS("CH1 - Cross Biquad 2", TAS5733_CH1_CBQ2_REG),
777 BIQUAD_COEFS("CH1 - Cross Biquad 3", TAS5733_CH1_CBQ3_REG),
778
779 BIQUAD_COEFS("CH2 - Cross Biquad 0", TAS5733_CH2_CBQ0_REG),
780 BIQUAD_COEFS("CH2 - Cross Biquad 1", TAS5733_CH2_CBQ1_REG),
781 BIQUAD_COEFS("CH2 - Cross Biquad 2", TAS5733_CH2_CBQ2_REG),
782 BIQUAD_COEFS("CH2 - Cross Biquad 3", TAS5733_CH2_CBQ3_REG),
783 };
784
785 static const char *const tas5733_supply_names[] = {
786 "AVDD",
787 "DVDD",
788 "PVDD",
789 };
790
791 static const struct reg_default tas5733_reg_defaults[] = {
792 {TAS571X_CLK_CTRL_REG, 0x6c},
793 {TAS571X_DEV_ID_REG, 0x00},
794 {TAS571X_ERR_STATUS_REG, 0x00},
795 {TAS571X_SYS_CTRL_1_REG, 0xa0},
796 {TAS571X_SDI_REG, 0x05},
797 {TAS571X_SYS_CTRL_2_REG, 0x40},
798 {TAS571X_SOFT_MUTE_REG, 0x07},
799 {TAS571X_MVOL_REG, 0x03ff},
800 {TAS571X_CH1_VOL_REG, 0x00c0},
801 {TAS571X_CH2_VOL_REG, 0x00c0},
802 {TAS571X_CH3_VOL_REG, 0x00c0},
803 {TAS571X_VOL_CFG_REG, 0xf0},
804 {TAS571X_MODULATION_LIMIT_REG, 0x07},
805 {TAS571X_IC_DELAY_CH1_REG, 0xb8},
806 {TAS571X_IC_DELAY_CH2_REG, 0x60},
807 {TAS571X_IC_DELAY_CH3_REG, 0xa0},
808 {TAS571X_IC_DELAY_CH4_REG, 0x48},
809 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
810 {TAS571X_START_STOP_PERIOD_REG, 0x68},
811 {TAS571X_OSC_TRIM_REG, 0x82},
812 {TAS571X_BKND_ERR_REG, 0x02},
813 {TAS571X_INPUT_MUX_REG, 0x00897772},
814 {TAS571X_PWM_MUX_REG, 0x01021345},
815 {TAS5717_CH1_RIGHT_CH_MIX_REG, 0x00},
816 {TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
817 {TAS5717_CH2_LEFT_CH_MIX_REG, 0x00},
818 {TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
819 };
820
821 static const struct regmap_config tas5733_regmap_config = {
822 .reg_bits = 8,
823 .val_bits = 32,
824 .max_register = 0xff,
825 .reg_read = tas571x_reg_read,
826 .reg_write = tas571x_reg_write,
827 .reg_defaults = tas5733_reg_defaults,
828 .num_reg_defaults = ARRAY_SIZE(tas5733_reg_defaults),
829 .cache_type = REGCACHE_RBTREE,
830 .wr_table = &tas571x_write_regs,
831 .volatile_table = &tas571x_volatile_regs,
832 };
833
834 static const struct tas571x_chip tas5733_chip = {
835 .supply_names = tas5733_supply_names,
836 .num_supply_names = ARRAY_SIZE(tas5733_supply_names),
837 .controls = tas5733_controls,
838 .num_controls = ARRAY_SIZE(tas5733_controls),
839 .regmap_config = &tas5733_regmap_config,
840 .vol_reg_size = 2,
841 };
842
843 static const struct reg_default tas5753_reg_defaults[] = {
844 {TAS571X_CLK_CTRL_REG, 0x6c},
845 {TAS571X_DEV_ID_REG, 0x41},
846 {TAS571X_ERR_STATUS_REG, 0x00},
847 {TAS571X_SYS_CTRL_1_REG, 0xa0},
848 {TAS571X_SDI_REG, 0x05},
849 {TAS571X_SYS_CTRL_2_REG, 0x40},
850 {TAS571X_SOFT_MUTE_REG, 0x00},
851 {TAS571X_MVOL_REG, 0x03ff},
852 {TAS571X_CH1_VOL_REG, 0x00c0},
853 {TAS571X_CH2_VOL_REG, 0x00c0},
854 {TAS571X_CH3_VOL_REG, 0x00c0},
855 {TAS571X_VOL_CFG_REG, 0xf0},
856 {TAS571X_MODULATION_LIMIT_REG, 0x01},
857 {TAS571X_IC_DELAY_CH1_REG, 0xac},
858 {TAS571X_IC_DELAY_CH2_REG, 0x54},
859 {TAS571X_IC_DELAY_CH3_REG, 0xac},
860 {TAS571X_IC_DELAY_CH4_REG, 0x54},
861 {TAS571X_OSC_TRIM_REG, 0x82},
862 {TAS571X_BKND_ERR_REG, 0x57},
863 {TAS571X_INPUT_MUX_REG, 0x00017772},
864 {TAS571X_PWM_MUX_REG, 0x01021345},
865 {TAS5717_CH1_RIGHT_CH_MIX_REG, 0x00},
866 {TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
867 {TAS5717_CH2_LEFT_CH_MIX_REG, 0x00},
868 {TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
869 };
870
871 static const struct regmap_config tas5753_regmap_config = {
872 .reg_bits = 8,
873 .val_bits = 32,
874 .max_register = 0xff,
875 .reg_read = tas571x_reg_read,
876 .reg_write = tas571x_reg_write,
877 .reg_defaults = tas5753_reg_defaults,
878 .num_reg_defaults = ARRAY_SIZE(tas5753_reg_defaults),
879 .cache_type = REGCACHE_RBTREE,
880 .wr_table = &tas571x_write_regs,
881 .volatile_table = &tas571x_volatile_regs,
882 };
883
884 static const struct tas571x_chip tas5753_chip = {
885 .supply_names = tas5721_supply_names,
886 .num_supply_names = ARRAY_SIZE(tas5721_supply_names),
887 .controls = tas5733_controls,
888 .num_controls = ARRAY_SIZE(tas5733_controls),
889 .regmap_config = &tas5753_regmap_config,
890 .vol_reg_size = 2,
891 };
892
893 static const struct tas571x_chip tas5721_chip = {
894 .supply_names = tas5721_supply_names,
895 .num_supply_names = ARRAY_SIZE(tas5721_supply_names),
896 .controls = tas5721_controls,
897 .num_controls = ARRAY_SIZE(tas5721_controls),
898 .regmap_config = &tas5721_regmap_config,
899 .vol_reg_size = 1,
900 };
901
902 static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
903 SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
904 SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
905
906 SND_SOC_DAPM_OUTPUT("OUT_A"),
907 SND_SOC_DAPM_OUTPUT("OUT_B"),
908 SND_SOC_DAPM_OUTPUT("OUT_C"),
909 SND_SOC_DAPM_OUTPUT("OUT_D"),
910 };
911
912 static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
913 { "DACL", NULL, "Playback" },
914 { "DACR", NULL, "Playback" },
915
916 { "OUT_A", NULL, "DACL" },
917 { "OUT_B", NULL, "DACL" },
918 { "OUT_C", NULL, "DACR" },
919 { "OUT_D", NULL, "DACR" },
920 };
921
922 static const struct snd_soc_component_driver tas571x_component = {
923 .set_bias_level = tas571x_set_bias_level,
924 .dapm_widgets = tas571x_dapm_widgets,
925 .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets),
926 .dapm_routes = tas571x_dapm_routes,
927 .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes),
928 .use_pmdown_time = 1,
929 .endianness = 1,
930 };
931
932 static struct snd_soc_dai_driver tas571x_dai = {
933 .name = "tas571x-hifi",
934 .playback = {
935 .stream_name = "Playback",
936 .channels_min = 2,
937 .channels_max = 2,
938 .rates = SNDRV_PCM_RATE_8000_48000,
939 .formats = SNDRV_PCM_FMTBIT_S32_LE |
940 SNDRV_PCM_FMTBIT_S24_LE |
941 SNDRV_PCM_FMTBIT_S16_LE,
942 },
943 .ops = &tas571x_dai_ops,
944 };
945
tas571x_i2c_probe(struct i2c_client * client)946 static int tas571x_i2c_probe(struct i2c_client *client)
947 {
948 struct tas571x_private *priv;
949 struct device *dev = &client->dev;
950 int i, ret;
951
952 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
953 if (!priv)
954 return -ENOMEM;
955 i2c_set_clientdata(client, priv);
956
957 priv->chip = i2c_get_match_data(client);
958
959 priv->mclk = devm_clk_get(dev, "mclk");
960 if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
961 dev_err(dev, "Failed to request mclk: %ld\n",
962 PTR_ERR(priv->mclk));
963 return PTR_ERR(priv->mclk);
964 }
965
966 if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
967 return -EINVAL;
968 for (i = 0; i < priv->chip->num_supply_names; i++)
969 priv->supplies[i].supply = priv->chip->supply_names[i];
970
971 ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
972 priv->supplies);
973 if (ret) {
974 dev_err(dev, "Failed to get supplies: %d\n", ret);
975 return ret;
976 }
977 ret = regulator_bulk_enable(priv->chip->num_supply_names,
978 priv->supplies);
979 if (ret) {
980 dev_err(dev, "Failed to enable supplies: %d\n", ret);
981 return ret;
982 }
983
984 priv->regmap = devm_regmap_init(dev, NULL, client,
985 priv->chip->regmap_config);
986 if (IS_ERR(priv->regmap)) {
987 ret = PTR_ERR(priv->regmap);
988 goto disable_regs;
989 }
990
991 priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
992 if (IS_ERR(priv->pdn_gpio)) {
993 dev_err(dev, "error requesting pdn_gpio: %ld\n",
994 PTR_ERR(priv->pdn_gpio));
995 ret = PTR_ERR(priv->pdn_gpio);
996 goto disable_regs;
997 }
998
999 priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
1000 GPIOD_OUT_HIGH);
1001 if (IS_ERR(priv->reset_gpio)) {
1002 dev_err(dev, "error requesting reset_gpio: %ld\n",
1003 PTR_ERR(priv->reset_gpio));
1004 ret = PTR_ERR(priv->reset_gpio);
1005 goto disable_regs;
1006 } else if (priv->reset_gpio) {
1007 /* pulse the active low reset line for ~100us */
1008 usleep_range(100, 200);
1009 gpiod_set_value(priv->reset_gpio, 0);
1010 usleep_range(13500, 20000);
1011 }
1012
1013 ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
1014 if (ret)
1015 goto disable_regs;
1016
1017 usleep_range(50000, 60000);
1018
1019 memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver));
1020 priv->component_driver.controls = priv->chip->controls;
1021 priv->component_driver.num_controls = priv->chip->num_controls;
1022
1023 if (priv->chip->vol_reg_size == 2) {
1024 /*
1025 * The master volume defaults to 0x3ff (mute), but we ignore
1026 * (zero) the LSB because the hardware step size is 0.125 dB
1027 * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB.
1028 */
1029 ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
1030 if (ret)
1031 goto disable_regs;
1032 }
1033
1034 ret = devm_snd_soc_register_component(&client->dev,
1035 &priv->component_driver,
1036 &tas571x_dai, 1);
1037 if (ret)
1038 goto disable_regs;
1039
1040 return ret;
1041
1042 disable_regs:
1043 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
1044 return ret;
1045 }
1046
tas571x_i2c_remove(struct i2c_client * client)1047 static void tas571x_i2c_remove(struct i2c_client *client)
1048 {
1049 struct tas571x_private *priv = i2c_get_clientdata(client);
1050
1051 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
1052 }
1053
1054 static const struct of_device_id tas571x_of_match[] __maybe_unused = {
1055 { .compatible = "ti,tas5707", .data = &tas5707_chip, },
1056 { .compatible = "ti,tas5711", .data = &tas5711_chip, },
1057 { .compatible = "ti,tas5717", .data = &tas5717_chip, },
1058 { .compatible = "ti,tas5719", .data = &tas5717_chip, },
1059 { .compatible = "ti,tas5721", .data = &tas5721_chip, },
1060 { .compatible = "ti,tas5733", .data = &tas5733_chip, },
1061 { .compatible = "ti,tas5753", .data = &tas5753_chip, },
1062 { }
1063 };
1064 MODULE_DEVICE_TABLE(of, tas571x_of_match);
1065
1066 static const struct i2c_device_id tas571x_i2c_id[] = {
1067 { "tas5707", (kernel_ulong_t) &tas5707_chip },
1068 { "tas5711", (kernel_ulong_t) &tas5711_chip },
1069 { "tas5717", (kernel_ulong_t) &tas5717_chip },
1070 { "tas5719", (kernel_ulong_t) &tas5717_chip },
1071 { "tas5721", (kernel_ulong_t) &tas5721_chip },
1072 { "tas5733", (kernel_ulong_t) &tas5733_chip },
1073 { "tas5753", (kernel_ulong_t) &tas5753_chip },
1074 { }
1075 };
1076 MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);
1077
1078 static struct i2c_driver tas571x_i2c_driver = {
1079 .driver = {
1080 .name = "tas571x",
1081 .of_match_table = of_match_ptr(tas571x_of_match),
1082 },
1083 .probe = tas571x_i2c_probe,
1084 .remove = tas571x_i2c_remove,
1085 .id_table = tas571x_i2c_id,
1086 };
1087 module_i2c_driver(tas571x_i2c_driver);
1088
1089 MODULE_DESCRIPTION("ASoC TAS571x driver");
1090 MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
1091 MODULE_LICENSE("GPL");
1092