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 <asm/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
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
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
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 */
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 */
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
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
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_soc_kcontrol_component(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
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_soc_kcontrol_component(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
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
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
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
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 int ret;
326
327 switch (level) {
328 case SND_SOC_BIAS_ON:
329 break;
330 case SND_SOC_BIAS_PREPARE:
331 break;
332 case SND_SOC_BIAS_STANDBY:
333 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
334 if (!IS_ERR(priv->mclk)) {
335 ret = clk_prepare_enable(priv->mclk);
336 if (ret) {
337 dev_err(component->dev,
338 "Failed to enable master clock: %d\n",
339 ret);
340 return ret;
341 }
342 }
343 }
344 break;
345 case SND_SOC_BIAS_OFF:
346 if (!IS_ERR(priv->mclk))
347 clk_disable_unprepare(priv->mclk);
348 break;
349 }
350
351 return 0;
352 }
353
354 static const struct snd_soc_dai_ops tas571x_dai_ops = {
355 .set_fmt = tas571x_set_dai_fmt,
356 .hw_params = tas571x_hw_params,
357 .mute_stream = tas571x_mute,
358 .no_capture_mute = 1,
359 };
360
361
362 #define BIQUAD_COEFS(xname, reg) \
363 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
364 .info = tas571x_coefficient_info, \
365 .get = tas571x_coefficient_get,\
366 .put = tas571x_coefficient_put, \
367 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
368 .private_value = reg | (5 << 16) }
369
370 static const char *const tas5711_supply_names[] = {
371 "AVDD",
372 "DVDD",
373 "PVDD_A",
374 "PVDD_B",
375 "PVDD_C",
376 "PVDD_D",
377 };
378
379 static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);
380
381 static const struct snd_kcontrol_new tas5711_controls[] = {
382 SOC_SINGLE_TLV("Master Volume",
383 TAS571X_MVOL_REG,
384 0, 0xff, 1, tas5711_volume_tlv),
385 SOC_DOUBLE_R_TLV("Speaker Volume",
386 TAS571X_CH1_VOL_REG,
387 TAS571X_CH2_VOL_REG,
388 0, 0xff, 1, tas5711_volume_tlv),
389 SOC_DOUBLE("Speaker Switch",
390 TAS571X_SOFT_MUTE_REG,
391 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
392 1, 1),
393 };
394
395 static const struct regmap_range tas571x_readonly_regs_range[] = {
396 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG),
397 };
398
399 static const struct regmap_range tas571x_volatile_regs_range[] = {
400 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
401 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
402 };
403
404 static const struct regmap_access_table tas571x_write_regs = {
405 .no_ranges = tas571x_readonly_regs_range,
406 .n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range),
407 };
408
409 static const struct regmap_access_table tas571x_volatile_regs = {
410 .yes_ranges = tas571x_volatile_regs_range,
411 .n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range),
412
413 };
414
415 static const struct reg_default tas5711_reg_defaults[] = {
416 { 0x04, 0x05 },
417 { 0x05, 0x40 },
418 { 0x06, 0x00 },
419 { 0x07, 0xff },
420 { 0x08, 0x30 },
421 { 0x09, 0x30 },
422 { 0x1b, 0x82 },
423 };
424
425 static const struct regmap_config tas5711_regmap_config = {
426 .reg_bits = 8,
427 .val_bits = 32,
428 .max_register = 0xff,
429 .reg_read = tas571x_reg_read,
430 .reg_write = tas571x_reg_write,
431 .reg_defaults = tas5711_reg_defaults,
432 .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults),
433 .cache_type = REGCACHE_RBTREE,
434 .wr_table = &tas571x_write_regs,
435 .volatile_table = &tas571x_volatile_regs,
436 };
437
438 static const struct tas571x_chip tas5711_chip = {
439 .supply_names = tas5711_supply_names,
440 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
441 .controls = tas5711_controls,
442 .num_controls = ARRAY_SIZE(tas5711_controls),
443 .regmap_config = &tas5711_regmap_config,
444 .vol_reg_size = 1,
445 };
446
447 static const struct regmap_range tas5707_volatile_regs_range[] = {
448 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
449 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
450 regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
451 };
452
453 static const struct regmap_access_table tas5707_volatile_regs = {
454 .yes_ranges = tas5707_volatile_regs_range,
455 .n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range),
456
457 };
458
459 static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);
460
461 static const char * const tas5707_volume_slew_step_txt[] = {
462 "256", "512", "1024", "2048",
463 };
464
465 static const unsigned int tas5707_volume_slew_step_values[] = {
466 3, 0, 1, 2,
467 };
468
469 static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
470 TAS571X_VOL_CFG_REG, 0, 0x3,
471 tas5707_volume_slew_step_txt,
472 tas5707_volume_slew_step_values);
473
474 static const struct snd_kcontrol_new tas5707_controls[] = {
475 SOC_SINGLE_TLV("Master Volume",
476 TAS571X_MVOL_REG,
477 0, 0xff, 1, tas5707_volume_tlv),
478 SOC_DOUBLE_R_TLV("Speaker Volume",
479 TAS571X_CH1_VOL_REG,
480 TAS571X_CH2_VOL_REG,
481 0, 0xff, 1, tas5707_volume_tlv),
482 SOC_DOUBLE("Speaker Switch",
483 TAS571X_SOFT_MUTE_REG,
484 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
485 1, 1),
486
487 SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),
488
489 BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
490 BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
491 BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
492 BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
493 BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
494 BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
495 BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),
496
497 BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
498 BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
499 BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
500 BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
501 BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
502 BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
503 BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
504 };
505
506 static const struct reg_default tas5707_reg_defaults[] = {
507 {TAS571X_CLK_CTRL_REG, 0x6c},
508 {TAS571X_DEV_ID_REG, 0x70},
509 {TAS571X_ERR_STATUS_REG, 0x00},
510 {TAS571X_SYS_CTRL_1_REG, 0xa0},
511 {TAS571X_SDI_REG, 0x05},
512 {TAS571X_SYS_CTRL_2_REG, 0x40},
513 {TAS571X_SOFT_MUTE_REG, 0x00},
514 {TAS571X_MVOL_REG, 0xff},
515 {TAS571X_CH1_VOL_REG, 0x30},
516 {TAS571X_CH2_VOL_REG, 0x30},
517 {TAS571X_VOL_CFG_REG, 0x91},
518 {TAS571X_MODULATION_LIMIT_REG, 0x02},
519 {TAS571X_IC_DELAY_CH1_REG, 0xac},
520 {TAS571X_IC_DELAY_CH2_REG, 0x54},
521 {TAS571X_IC_DELAY_CH3_REG, 0xac},
522 {TAS571X_IC_DELAY_CH4_REG, 0x54},
523 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
524 {TAS571X_OSC_TRIM_REG, 0x82},
525 {TAS571X_BKND_ERR_REG, 0x02},
526 {TAS571X_INPUT_MUX_REG, 0x17772},
527 {TAS571X_PWM_MUX_REG, 0x1021345},
528 };
529
530 static const struct regmap_config tas5707_regmap_config = {
531 .reg_bits = 8,
532 .val_bits = 32,
533 .max_register = 0xff,
534 .reg_read = tas571x_reg_read,
535 .reg_write = tas571x_reg_write,
536 .reg_defaults = tas5707_reg_defaults,
537 .num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults),
538 .cache_type = REGCACHE_RBTREE,
539 .wr_table = &tas571x_write_regs,
540 .volatile_table = &tas5707_volatile_regs,
541 };
542
543 static const struct tas571x_chip tas5707_chip = {
544 .supply_names = tas5711_supply_names,
545 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
546 .controls = tas5707_controls,
547 .num_controls = ARRAY_SIZE(tas5707_controls),
548 .regmap_config = &tas5707_regmap_config,
549 .vol_reg_size = 1,
550 };
551
552 static const char *const tas5717_supply_names[] = {
553 "AVDD",
554 "DVDD",
555 "HPVDD",
556 "PVDD_AB",
557 "PVDD_CD",
558 };
559
560 static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);
561
562 static const struct snd_kcontrol_new tas5717_controls[] = {
563 /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */
564 SOC_SINGLE_TLV("Master Volume",
565 TAS571X_MVOL_REG, 1, 0x1ff, 1,
566 tas5717_volume_tlv),
567 SOC_DOUBLE_R_TLV("Speaker Volume",
568 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
569 1, 0x1ff, 1, tas5717_volume_tlv),
570 SOC_DOUBLE("Speaker Switch",
571 TAS571X_SOFT_MUTE_REG,
572 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
573 1, 1),
574
575 SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
576 TAS5717_CH1_LEFT_CH_MIX_REG,
577 TAS5717_CH1_RIGHT_CH_MIX_REG,
578 16, 0, 0x80, 0),
579
580 SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
581 TAS5717_CH2_LEFT_CH_MIX_REG,
582 TAS5717_CH2_RIGHT_CH_MIX_REG,
583 16, 0, 0x80, 0),
584
585 /*
586 * The biquads are named according to the register names.
587 * Please note that TI's TAS57xx Graphical Development Environment
588 * tool names them different.
589 */
590 BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
591 BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
592 BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
593 BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
594 BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
595 BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
596 BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
597 BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
598 BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
599 BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
600 BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
601 BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),
602
603 BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
604 BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
605 BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
606 BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
607 BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
608 BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
609 BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
610 BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
611 BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
612 BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
613 BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
614 BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),
615
616 BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
617 BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),
618
619 BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
620 BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
621 };
622
623 static const struct reg_default tas5717_reg_defaults[] = {
624 { 0x04, 0x05 },
625 { 0x05, 0x40 },
626 { 0x06, 0x00 },
627 { 0x07, 0x03ff },
628 { 0x08, 0x00c0 },
629 { 0x09, 0x00c0 },
630 { 0x1b, 0x82 },
631 { TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
632 { TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
633 { TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
634 { TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
635 };
636
637 static const struct regmap_config tas5717_regmap_config = {
638 .reg_bits = 8,
639 .val_bits = 32,
640 .max_register = 0xff,
641 .reg_read = tas571x_reg_read,
642 .reg_write = tas571x_reg_write,
643 .reg_defaults = tas5717_reg_defaults,
644 .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults),
645 .cache_type = REGCACHE_RBTREE,
646 .wr_table = &tas571x_write_regs,
647 .volatile_table = &tas571x_volatile_regs,
648 };
649
650 /* This entry is reused for tas5719 as the software interface is identical. */
651 static const struct tas571x_chip tas5717_chip = {
652 .supply_names = tas5717_supply_names,
653 .num_supply_names = ARRAY_SIZE(tas5717_supply_names),
654 .controls = tas5717_controls,
655 .num_controls = ARRAY_SIZE(tas5717_controls),
656 .regmap_config = &tas5717_regmap_config,
657 .vol_reg_size = 2,
658 };
659
660 static const char *const tas5721_supply_names[] = {
661 "AVDD",
662 "DVDD",
663 "DRVDD",
664 "PVDD",
665 };
666
667 static const struct snd_kcontrol_new tas5721_controls[] = {
668 SOC_SINGLE_TLV("Master Volume",
669 TAS571X_MVOL_REG,
670 0, 0xff, 1, tas5711_volume_tlv),
671 SOC_DOUBLE_R_TLV("Speaker Volume",
672 TAS571X_CH1_VOL_REG,
673 TAS571X_CH2_VOL_REG,
674 0, 0xff, 1, tas5711_volume_tlv),
675 SOC_DOUBLE("Speaker Switch",
676 TAS571X_SOFT_MUTE_REG,
677 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
678 1, 1),
679 };
680
681 static const struct reg_default tas5721_reg_defaults[] = {
682 {TAS571X_CLK_CTRL_REG, 0x6c},
683 {TAS571X_DEV_ID_REG, 0x00},
684 {TAS571X_ERR_STATUS_REG, 0x00},
685 {TAS571X_SYS_CTRL_1_REG, 0xa0},
686 {TAS571X_SDI_REG, 0x05},
687 {TAS571X_SYS_CTRL_2_REG, 0x40},
688 {TAS571X_SOFT_MUTE_REG, 0x00},
689 {TAS571X_MVOL_REG, 0xff},
690 {TAS571X_CH1_VOL_REG, 0x30},
691 {TAS571X_CH2_VOL_REG, 0x30},
692 {TAS571X_CH3_VOL_REG, 0x30},
693 {TAS571X_VOL_CFG_REG, 0x91},
694 {TAS571X_MODULATION_LIMIT_REG, 0x02},
695 {TAS571X_IC_DELAY_CH1_REG, 0xac},
696 {TAS571X_IC_DELAY_CH2_REG, 0x54},
697 {TAS571X_IC_DELAY_CH3_REG, 0xac},
698 {TAS571X_IC_DELAY_CH4_REG, 0x54},
699 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
700 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
701 {TAS571X_OSC_TRIM_REG, 0x82},
702 {TAS571X_BKND_ERR_REG, 0x02},
703 {TAS571X_INPUT_MUX_REG, 0x17772},
704 {TAS571X_CH4_SRC_SELECT_REG, 0x4303},
705 {TAS571X_PWM_MUX_REG, 0x1021345},
706 };
707
708 static const struct regmap_config tas5721_regmap_config = {
709 .reg_bits = 8,
710 .val_bits = 32,
711 .max_register = 0xff,
712 .reg_read = tas571x_reg_read,
713 .reg_write = tas571x_reg_write,
714 .reg_defaults = tas5721_reg_defaults,
715 .num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
716 .cache_type = REGCACHE_RBTREE,
717 .wr_table = &tas571x_write_regs,
718 .volatile_table = &tas571x_volatile_regs,
719 };
720
721 static const char *const tas5733_supply_names[] = {
722 "AVDD",
723 "DVDD",
724 "PVDD",
725 };
726
727 static const struct reg_default tas5733_reg_defaults[] = {
728 {TAS571X_CLK_CTRL_REG, 0x6c},
729 {TAS571X_DEV_ID_REG, 0x00},
730 {TAS571X_ERR_STATUS_REG, 0x00},
731 {TAS571X_SYS_CTRL_1_REG, 0xa0},
732 {TAS571X_SDI_REG, 0x05},
733 {TAS571X_SYS_CTRL_2_REG, 0x40},
734 {TAS571X_SOFT_MUTE_REG, 0x07},
735 {TAS571X_MVOL_REG, 0x03ff},
736 {TAS571X_CH1_VOL_REG, 0x00c0},
737 {TAS571X_CH2_VOL_REG, 0x00c0},
738 {TAS571X_CH3_VOL_REG, 0x00c0},
739 {TAS571X_VOL_CFG_REG, 0xf0},
740 {TAS571X_MODULATION_LIMIT_REG, 0x07},
741 {TAS571X_IC_DELAY_CH1_REG, 0xb8},
742 {TAS571X_IC_DELAY_CH2_REG, 0x60},
743 {TAS571X_IC_DELAY_CH3_REG, 0xa0},
744 {TAS571X_IC_DELAY_CH4_REG, 0x48},
745 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
746 {TAS571X_START_STOP_PERIOD_REG, 0x68},
747 {TAS571X_OSC_TRIM_REG, 0x82},
748 {TAS571X_BKND_ERR_REG, 0x02},
749 {TAS571X_INPUT_MUX_REG, 0x00897772},
750 {TAS571X_PWM_MUX_REG, 0x01021345},
751 {TAS5717_CH1_RIGHT_CH_MIX_REG, 0x00},
752 {TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
753 {TAS5717_CH2_LEFT_CH_MIX_REG, 0x00},
754 {TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
755 };
756
757 static const struct regmap_config tas5733_regmap_config = {
758 .reg_bits = 8,
759 .val_bits = 32,
760 .max_register = 0xff,
761 .reg_read = tas571x_reg_read,
762 .reg_write = tas571x_reg_write,
763 .reg_defaults = tas5733_reg_defaults,
764 .num_reg_defaults = ARRAY_SIZE(tas5733_reg_defaults),
765 .cache_type = REGCACHE_RBTREE,
766 .wr_table = &tas571x_write_regs,
767 .volatile_table = &tas571x_volatile_regs,
768 };
769
770 static const struct tas571x_chip tas5733_chip = {
771 .supply_names = tas5733_supply_names,
772 .num_supply_names = ARRAY_SIZE(tas5733_supply_names),
773 .controls = tas5717_controls,
774 .num_controls = ARRAY_SIZE(tas5717_controls),
775 .regmap_config = &tas5733_regmap_config,
776 .vol_reg_size = 2,
777 };
778
779 static const struct tas571x_chip tas5721_chip = {
780 .supply_names = tas5721_supply_names,
781 .num_supply_names = ARRAY_SIZE(tas5721_supply_names),
782 .controls = tas5721_controls,
783 .num_controls = ARRAY_SIZE(tas5721_controls),
784 .regmap_config = &tas5721_regmap_config,
785 .vol_reg_size = 1,
786 };
787
788 static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
789 SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
790 SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
791
792 SND_SOC_DAPM_OUTPUT("OUT_A"),
793 SND_SOC_DAPM_OUTPUT("OUT_B"),
794 SND_SOC_DAPM_OUTPUT("OUT_C"),
795 SND_SOC_DAPM_OUTPUT("OUT_D"),
796 };
797
798 static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
799 { "DACL", NULL, "Playback" },
800 { "DACR", NULL, "Playback" },
801
802 { "OUT_A", NULL, "DACL" },
803 { "OUT_B", NULL, "DACL" },
804 { "OUT_C", NULL, "DACR" },
805 { "OUT_D", NULL, "DACR" },
806 };
807
808 static const struct snd_soc_component_driver tas571x_component = {
809 .set_bias_level = tas571x_set_bias_level,
810 .dapm_widgets = tas571x_dapm_widgets,
811 .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets),
812 .dapm_routes = tas571x_dapm_routes,
813 .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes),
814 .use_pmdown_time = 1,
815 .endianness = 1,
816 };
817
818 static struct snd_soc_dai_driver tas571x_dai = {
819 .name = "tas571x-hifi",
820 .playback = {
821 .stream_name = "Playback",
822 .channels_min = 2,
823 .channels_max = 2,
824 .rates = SNDRV_PCM_RATE_8000_48000,
825 .formats = SNDRV_PCM_FMTBIT_S32_LE |
826 SNDRV_PCM_FMTBIT_S24_LE |
827 SNDRV_PCM_FMTBIT_S16_LE,
828 },
829 .ops = &tas571x_dai_ops,
830 };
831
832 static int tas571x_i2c_probe(struct i2c_client *client)
833 {
834 struct tas571x_private *priv;
835 struct device *dev = &client->dev;
836 int i, ret;
837
838 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
839 if (!priv)
840 return -ENOMEM;
841 i2c_set_clientdata(client, priv);
842
843 priv->chip = i2c_get_match_data(client);
844
845 priv->mclk = devm_clk_get(dev, "mclk");
846 if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
847 dev_err(dev, "Failed to request mclk: %ld\n",
848 PTR_ERR(priv->mclk));
849 return PTR_ERR(priv->mclk);
850 }
851
852 if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
853 return -EINVAL;
854 for (i = 0; i < priv->chip->num_supply_names; i++)
855 priv->supplies[i].supply = priv->chip->supply_names[i];
856
857 ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
858 priv->supplies);
859 if (ret) {
860 dev_err(dev, "Failed to get supplies: %d\n", ret);
861 return ret;
862 }
863 ret = regulator_bulk_enable(priv->chip->num_supply_names,
864 priv->supplies);
865 if (ret) {
866 dev_err(dev, "Failed to enable supplies: %d\n", ret);
867 return ret;
868 }
869
870 priv->regmap = devm_regmap_init(dev, NULL, client,
871 priv->chip->regmap_config);
872 if (IS_ERR(priv->regmap)) {
873 ret = PTR_ERR(priv->regmap);
874 goto disable_regs;
875 }
876
877 priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
878 if (IS_ERR(priv->pdn_gpio)) {
879 dev_err(dev, "error requesting pdn_gpio: %ld\n",
880 PTR_ERR(priv->pdn_gpio));
881 ret = PTR_ERR(priv->pdn_gpio);
882 goto disable_regs;
883 }
884
885 priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
886 GPIOD_OUT_HIGH);
887 if (IS_ERR(priv->reset_gpio)) {
888 dev_err(dev, "error requesting reset_gpio: %ld\n",
889 PTR_ERR(priv->reset_gpio));
890 ret = PTR_ERR(priv->reset_gpio);
891 goto disable_regs;
892 } else if (priv->reset_gpio) {
893 /* pulse the active low reset line for ~100us */
894 usleep_range(100, 200);
895 gpiod_set_value(priv->reset_gpio, 0);
896 usleep_range(13500, 20000);
897 }
898
899 ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
900 if (ret)
901 goto disable_regs;
902
903 usleep_range(50000, 60000);
904
905 memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver));
906 priv->component_driver.controls = priv->chip->controls;
907 priv->component_driver.num_controls = priv->chip->num_controls;
908
909 if (priv->chip->vol_reg_size == 2) {
910 /*
911 * The master volume defaults to 0x3ff (mute), but we ignore
912 * (zero) the LSB because the hardware step size is 0.125 dB
913 * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB.
914 */
915 ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
916 if (ret)
917 goto disable_regs;
918 }
919
920 ret = devm_snd_soc_register_component(&client->dev,
921 &priv->component_driver,
922 &tas571x_dai, 1);
923 if (ret)
924 goto disable_regs;
925
926 return ret;
927
928 disable_regs:
929 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
930 return ret;
931 }
932
933 static void tas571x_i2c_remove(struct i2c_client *client)
934 {
935 struct tas571x_private *priv = i2c_get_clientdata(client);
936
937 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
938 }
939
940 static const struct of_device_id tas571x_of_match[] __maybe_unused = {
941 { .compatible = "ti,tas5707", .data = &tas5707_chip, },
942 { .compatible = "ti,tas5711", .data = &tas5711_chip, },
943 { .compatible = "ti,tas5717", .data = &tas5717_chip, },
944 { .compatible = "ti,tas5719", .data = &tas5717_chip, },
945 { .compatible = "ti,tas5721", .data = &tas5721_chip, },
946 { .compatible = "ti,tas5733", .data = &tas5733_chip, },
947 { }
948 };
949 MODULE_DEVICE_TABLE(of, tas571x_of_match);
950
951 static const struct i2c_device_id tas571x_i2c_id[] = {
952 { "tas5707", (kernel_ulong_t) &tas5707_chip },
953 { "tas5711", (kernel_ulong_t) &tas5711_chip },
954 { "tas5717", (kernel_ulong_t) &tas5717_chip },
955 { "tas5719", (kernel_ulong_t) &tas5717_chip },
956 { "tas5721", (kernel_ulong_t) &tas5721_chip },
957 { "tas5733", (kernel_ulong_t) &tas5733_chip },
958 { }
959 };
960 MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);
961
962 static struct i2c_driver tas571x_i2c_driver = {
963 .driver = {
964 .name = "tas571x",
965 .of_match_table = of_match_ptr(tas571x_of_match),
966 },
967 .probe = tas571x_i2c_probe,
968 .remove = tas571x_i2c_remove,
969 .id_table = tas571x_i2c_id,
970 };
971 module_i2c_driver(tas571x_i2c_driver);
972
973 MODULE_DESCRIPTION("ASoC TAS571x driver");
974 MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
975 MODULE_LICENSE("GPL");
976
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