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19#include <linux/clk.h>
20#include <linux/delay.h>
21#include <linux/device.h>
22#include <linux/gpio/consumer.h>
23#include <linux/i2c.h>
24#include <linux/init.h>
25#include <linux/kernel.h>
26#include <linux/module.h>
27#include <linux/of_device.h>
28#include <linux/regmap.h>
29#include <linux/regulator/consumer.h>
30#include <linux/stddef.h>
31#include <sound/pcm_params.h>
32#include <sound/soc.h>
33#include <sound/tlv.h>
34#include <asm/unaligned.h>
35
36#include "tas571x.h"
37
38#define TAS571X_MAX_SUPPLIES 6
39
40struct tas571x_chip {
41 const char *const *supply_names;
42 int num_supply_names;
43 const struct snd_kcontrol_new *controls;
44 int num_controls;
45 const struct regmap_config *regmap_config;
46 int vol_reg_size;
47};
48
49struct tas571x_private {
50 const struct tas571x_chip *chip;
51 struct regmap *regmap;
52 struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES];
53 struct clk *mclk;
54 unsigned int format;
55 struct gpio_desc *reset_gpio;
56 struct gpio_desc *pdn_gpio;
57 struct snd_soc_component_driver component_driver;
58};
59
60static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
61{
62 switch (reg) {
63 case TAS571X_MVOL_REG:
64 case TAS571X_CH1_VOL_REG:
65 case TAS571X_CH2_VOL_REG:
66 return priv->chip->vol_reg_size;
67 case TAS571X_INPUT_MUX_REG:
68 case TAS571X_CH4_SRC_SELECT_REG:
69 case TAS571X_PWM_MUX_REG:
70 case TAS5717_CH1_RIGHT_CH_MIX_REG:
71 case TAS5717_CH1_LEFT_CH_MIX_REG:
72 case TAS5717_CH2_LEFT_CH_MIX_REG:
73 case TAS5717_CH2_RIGHT_CH_MIX_REG:
74 return 4;
75 default:
76 return 1;
77 }
78}
79
80static int tas571x_reg_write(void *context, unsigned int reg,
81 unsigned int value)
82{
83 struct i2c_client *client = context;
84 struct tas571x_private *priv = i2c_get_clientdata(client);
85 unsigned int i, size;
86 uint8_t buf[5];
87 int ret;
88
89 size = tas571x_register_size(priv, reg);
90 buf[0] = reg;
91
92 for (i = size; i >= 1; --i) {
93 buf[i] = value;
94 value >>= 8;
95 }
96
97 ret = i2c_master_send(client, buf, size + 1);
98 if (ret == size + 1)
99 return 0;
100 else if (ret < 0)
101 return ret;
102 else
103 return -EIO;
104}
105
106static int tas571x_reg_read(void *context, unsigned int reg,
107 unsigned int *value)
108{
109 struct i2c_client *client = context;
110 struct tas571x_private *priv = i2c_get_clientdata(client);
111 uint8_t send_buf, recv_buf[4];
112 struct i2c_msg msgs[2];
113 unsigned int size;
114 unsigned int i;
115 int ret;
116
117 size = tas571x_register_size(priv, reg);
118 send_buf = reg;
119
120 msgs[0].addr = client->addr;
121 msgs[0].len = sizeof(send_buf);
122 msgs[0].buf = &send_buf;
123 msgs[0].flags = 0;
124
125 msgs[1].addr = client->addr;
126 msgs[1].len = size;
127 msgs[1].buf = recv_buf;
128 msgs[1].flags = I2C_M_RD;
129
130 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
131 if (ret < 0)
132 return ret;
133 else if (ret != ARRAY_SIZE(msgs))
134 return -EIO;
135
136 *value = 0;
137
138 for (i = 0; i < size; i++) {
139 *value <<= 8;
140 *value |= recv_buf[i];
141 }
142
143 return 0;
144}
145
146
147
148
149static int tas571x_reg_write_multiword(struct i2c_client *client,
150 unsigned int reg, const long values[], size_t len)
151{
152 size_t i;
153 uint8_t *buf, *p;
154 int ret;
155 size_t send_size = 1 + len * sizeof(uint32_t);
156
157 buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA);
158 if (!buf)
159 return -ENOMEM;
160 buf[0] = reg;
161
162 for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t))
163 put_unaligned_be32(values[i], p);
164
165 ret = i2c_master_send(client, buf, send_size);
166
167 kfree(buf);
168
169 if (ret == send_size)
170 return 0;
171 else if (ret < 0)
172 return ret;
173 else
174 return -EIO;
175}
176
177
178
179
180static int tas571x_reg_read_multiword(struct i2c_client *client,
181 unsigned int reg, long values[], size_t len)
182{
183 unsigned int i;
184 uint8_t send_buf;
185 uint8_t *recv_buf, *p;
186 struct i2c_msg msgs[2];
187 unsigned int recv_size = len * sizeof(uint32_t);
188 int ret;
189
190 recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA);
191 if (!recv_buf)
192 return -ENOMEM;
193
194 send_buf = reg;
195
196 msgs[0].addr = client->addr;
197 msgs[0].len = sizeof(send_buf);
198 msgs[0].buf = &send_buf;
199 msgs[0].flags = 0;
200
201 msgs[1].addr = client->addr;
202 msgs[1].len = recv_size;
203 msgs[1].buf = recv_buf;
204 msgs[1].flags = I2C_M_RD;
205
206 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
207 if (ret < 0)
208 goto err_ret;
209 else if (ret != ARRAY_SIZE(msgs)) {
210 ret = -EIO;
211 goto err_ret;
212 }
213
214 for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t))
215 values[i] = get_unaligned_be32(p);
216
217err_ret:
218 kfree(recv_buf);
219 return ret;
220}
221
222
223
224
225
226
227
228
229
230
231
232
233static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol,
234 struct snd_ctl_elem_info *uinfo)
235{
236 int numcoef = kcontrol->private_value >> 16;
237
238 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
239 uinfo->count = numcoef;
240 uinfo->value.integer.min = 0;
241 uinfo->value.integer.max = 0xffffffff;
242 return 0;
243}
244
245static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol,
246 struct snd_ctl_elem_value *ucontrol)
247{
248 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
249 struct i2c_client *i2c = to_i2c_client(component->dev);
250 int numcoef = kcontrol->private_value >> 16;
251 int index = kcontrol->private_value & 0xffff;
252
253 return tas571x_reg_read_multiword(i2c, index,
254 ucontrol->value.integer.value, numcoef);
255}
256
257static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol,
258 struct snd_ctl_elem_value *ucontrol)
259{
260 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
261 struct i2c_client *i2c = to_i2c_client(component->dev);
262 int numcoef = kcontrol->private_value >> 16;
263 int index = kcontrol->private_value & 0xffff;
264
265 return tas571x_reg_write_multiword(i2c, index,
266 ucontrol->value.integer.value, numcoef);
267}
268
269static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format)
270{
271 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
272
273 priv->format = format;
274
275 return 0;
276}
277
278static int tas571x_hw_params(struct snd_pcm_substream *substream,
279 struct snd_pcm_hw_params *params,
280 struct snd_soc_dai *dai)
281{
282 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component);
283 u32 val;
284
285 switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) {
286 case SND_SOC_DAIFMT_RIGHT_J:
287 val = 0x00;
288 break;
289 case SND_SOC_DAIFMT_I2S:
290 val = 0x03;
291 break;
292 case SND_SOC_DAIFMT_LEFT_J:
293 val = 0x06;
294 break;
295 default:
296 return -EINVAL;
297 }
298
299 if (params_width(params) >= 24)
300 val += 2;
301 else if (params_width(params) >= 20)
302 val += 1;
303
304 return regmap_update_bits(priv->regmap, TAS571X_SDI_REG,
305 TAS571X_SDI_FMT_MASK, val);
306}
307
308static int tas571x_mute(struct snd_soc_dai *dai, int mute)
309{
310 struct snd_soc_component *component = dai->component;
311 u8 sysctl2;
312 int ret;
313
314 sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;
315
316 ret = snd_soc_component_update_bits(component,
317 TAS571X_SYS_CTRL_2_REG,
318 TAS571X_SYS_CTRL_2_SDN_MASK,
319 sysctl2);
320 usleep_range(1000, 2000);
321
322 return ret;
323}
324
325static int tas571x_set_bias_level(struct snd_soc_component *component,
326 enum snd_soc_bias_level level)
327{
328 struct tas571x_private *priv = snd_soc_component_get_drvdata(component);
329 int ret;
330
331 switch (level) {
332 case SND_SOC_BIAS_ON:
333 break;
334 case SND_SOC_BIAS_PREPARE:
335 break;
336 case SND_SOC_BIAS_STANDBY:
337 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
338 if (!IS_ERR(priv->mclk)) {
339 ret = clk_prepare_enable(priv->mclk);
340 if (ret) {
341 dev_err(component->dev,
342 "Failed to enable master clock: %d\n",
343 ret);
344 return ret;
345 }
346 }
347 }
348 break;
349 case SND_SOC_BIAS_OFF:
350 if (!IS_ERR(priv->mclk))
351 clk_disable_unprepare(priv->mclk);
352 break;
353 }
354
355 return 0;
356}
357
358static const struct snd_soc_dai_ops tas571x_dai_ops = {
359 .set_fmt = tas571x_set_dai_fmt,
360 .hw_params = tas571x_hw_params,
361 .digital_mute = tas571x_mute,
362};
363
364
365#define BIQUAD_COEFS(xname, reg) \
366{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
367 .info = tas571x_coefficient_info, \
368 .get = tas571x_coefficient_get,\
369 .put = tas571x_coefficient_put, \
370 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
371 .private_value = reg | (5 << 16) }
372
373static const char *const tas5711_supply_names[] = {
374 "AVDD",
375 "DVDD",
376 "PVDD_A",
377 "PVDD_B",
378 "PVDD_C",
379 "PVDD_D",
380};
381
382static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1);
383
384static const struct snd_kcontrol_new tas5711_controls[] = {
385 SOC_SINGLE_TLV("Master Volume",
386 TAS571X_MVOL_REG,
387 0, 0xff, 1, tas5711_volume_tlv),
388 SOC_DOUBLE_R_TLV("Speaker Volume",
389 TAS571X_CH1_VOL_REG,
390 TAS571X_CH2_VOL_REG,
391 0, 0xff, 1, tas5711_volume_tlv),
392 SOC_DOUBLE("Speaker Switch",
393 TAS571X_SOFT_MUTE_REG,
394 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
395 1, 1),
396};
397
398static const struct regmap_range tas571x_readonly_regs_range[] = {
399 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG),
400};
401
402static const struct regmap_range tas571x_volatile_regs_range[] = {
403 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
404 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
405};
406
407static const struct regmap_access_table tas571x_write_regs = {
408 .no_ranges = tas571x_readonly_regs_range,
409 .n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range),
410};
411
412static const struct regmap_access_table tas571x_volatile_regs = {
413 .yes_ranges = tas571x_volatile_regs_range,
414 .n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range),
415
416};
417
418static const struct reg_default tas5711_reg_defaults[] = {
419 { 0x04, 0x05 },
420 { 0x05, 0x40 },
421 { 0x06, 0x00 },
422 { 0x07, 0xff },
423 { 0x08, 0x30 },
424 { 0x09, 0x30 },
425 { 0x1b, 0x82 },
426};
427
428static const struct regmap_config tas5711_regmap_config = {
429 .reg_bits = 8,
430 .val_bits = 32,
431 .max_register = 0xff,
432 .reg_read = tas571x_reg_read,
433 .reg_write = tas571x_reg_write,
434 .reg_defaults = tas5711_reg_defaults,
435 .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults),
436 .cache_type = REGCACHE_RBTREE,
437 .wr_table = &tas571x_write_regs,
438 .volatile_table = &tas571x_volatile_regs,
439};
440
441static const struct tas571x_chip tas5711_chip = {
442 .supply_names = tas5711_supply_names,
443 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
444 .controls = tas5711_controls,
445 .num_controls = ARRAY_SIZE(tas5711_controls),
446 .regmap_config = &tas5711_regmap_config,
447 .vol_reg_size = 1,
448};
449
450static const struct regmap_range tas5707_volatile_regs_range[] = {
451 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
452 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
453 regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
454};
455
456static const struct regmap_access_table tas5707_volatile_regs = {
457 .yes_ranges = tas5707_volatile_regs_range,
458 .n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range),
459
460};
461
462static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);
463
464static const char * const tas5707_volume_slew_step_txt[] = {
465 "256", "512", "1024", "2048",
466};
467
468static const unsigned int tas5707_volume_slew_step_values[] = {
469 3, 0, 1, 2,
470};
471
472static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
473 TAS571X_VOL_CFG_REG, 0, 0x3,
474 tas5707_volume_slew_step_txt,
475 tas5707_volume_slew_step_values);
476
477static const struct snd_kcontrol_new tas5707_controls[] = {
478 SOC_SINGLE_TLV("Master Volume",
479 TAS571X_MVOL_REG,
480 0, 0xff, 1, tas5707_volume_tlv),
481 SOC_DOUBLE_R_TLV("Speaker Volume",
482 TAS571X_CH1_VOL_REG,
483 TAS571X_CH2_VOL_REG,
484 0, 0xff, 1, tas5707_volume_tlv),
485 SOC_DOUBLE("Speaker Switch",
486 TAS571X_SOFT_MUTE_REG,
487 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
488 1, 1),
489
490 SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),
491
492 BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
493 BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
494 BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
495 BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
496 BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
497 BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
498 BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),
499
500 BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
501 BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
502 BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
503 BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
504 BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
505 BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
506 BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
507};
508
509static const struct reg_default tas5707_reg_defaults[] = {
510 {TAS571X_CLK_CTRL_REG, 0x6c},
511 {TAS571X_DEV_ID_REG, 0x70},
512 {TAS571X_ERR_STATUS_REG, 0x00},
513 {TAS571X_SYS_CTRL_1_REG, 0xa0},
514 {TAS571X_SDI_REG, 0x05},
515 {TAS571X_SYS_CTRL_2_REG, 0x40},
516 {TAS571X_SOFT_MUTE_REG, 0x00},
517 {TAS571X_MVOL_REG, 0xff},
518 {TAS571X_CH1_VOL_REG, 0x30},
519 {TAS571X_CH2_VOL_REG, 0x30},
520 {TAS571X_VOL_CFG_REG, 0x91},
521 {TAS571X_MODULATION_LIMIT_REG, 0x02},
522 {TAS571X_IC_DELAY_CH1_REG, 0xac},
523 {TAS571X_IC_DELAY_CH2_REG, 0x54},
524 {TAS571X_IC_DELAY_CH3_REG, 0xac},
525 {TAS571X_IC_DELAY_CH4_REG, 0x54},
526 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
527 {TAS571X_OSC_TRIM_REG, 0x82},
528 {TAS571X_BKND_ERR_REG, 0x02},
529 {TAS571X_INPUT_MUX_REG, 0x17772},
530 {TAS571X_PWM_MUX_REG, 0x1021345},
531};
532
533static const struct regmap_config tas5707_regmap_config = {
534 .reg_bits = 8,
535 .val_bits = 32,
536 .max_register = 0xff,
537 .reg_read = tas571x_reg_read,
538 .reg_write = tas571x_reg_write,
539 .reg_defaults = tas5707_reg_defaults,
540 .num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults),
541 .cache_type = REGCACHE_RBTREE,
542 .wr_table = &tas571x_write_regs,
543 .volatile_table = &tas5707_volatile_regs,
544};
545
546static const struct tas571x_chip tas5707_chip = {
547 .supply_names = tas5711_supply_names,
548 .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
549 .controls = tas5707_controls,
550 .num_controls = ARRAY_SIZE(tas5707_controls),
551 .regmap_config = &tas5707_regmap_config,
552 .vol_reg_size = 1,
553};
554
555static const char *const tas5717_supply_names[] = {
556 "AVDD",
557 "DVDD",
558 "HPVDD",
559 "PVDD_AB",
560 "PVDD_CD",
561};
562
563static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0);
564
565static const struct snd_kcontrol_new tas5717_controls[] = {
566
567 SOC_SINGLE_TLV("Master Volume",
568 TAS571X_MVOL_REG, 1, 0x1ff, 1,
569 tas5717_volume_tlv),
570 SOC_DOUBLE_R_TLV("Speaker Volume",
571 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG,
572 1, 0x1ff, 1, tas5717_volume_tlv),
573 SOC_DOUBLE("Speaker Switch",
574 TAS571X_SOFT_MUTE_REG,
575 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
576 1, 1),
577
578 SOC_DOUBLE_R_RANGE("CH1 Mixer Volume",
579 TAS5717_CH1_LEFT_CH_MIX_REG,
580 TAS5717_CH1_RIGHT_CH_MIX_REG,
581 16, 0, 0x80, 0),
582
583 SOC_DOUBLE_R_RANGE("CH2 Mixer Volume",
584 TAS5717_CH2_LEFT_CH_MIX_REG,
585 TAS5717_CH2_RIGHT_CH_MIX_REG,
586 16, 0, 0x80, 0),
587
588
589
590
591
592
593 BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG),
594 BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG),
595 BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG),
596 BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG),
597 BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG),
598 BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG),
599 BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG),
600 BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG),
601 BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG),
602 BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG),
603 BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG),
604 BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG),
605
606 BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG),
607 BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG),
608 BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG),
609 BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG),
610 BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG),
611 BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG),
612 BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG),
613 BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG),
614 BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG),
615 BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG),
616 BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG),
617 BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG),
618
619 BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG),
620 BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG),
621
622 BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG),
623 BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG),
624};
625
626static const struct reg_default tas5717_reg_defaults[] = {
627 { 0x04, 0x05 },
628 { 0x05, 0x40 },
629 { 0x06, 0x00 },
630 { 0x07, 0x03ff },
631 { 0x08, 0x00c0 },
632 { 0x09, 0x00c0 },
633 { 0x1b, 0x82 },
634 { TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 },
635 { TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000},
636 { TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 },
637 { TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000},
638};
639
640static const struct regmap_config tas5717_regmap_config = {
641 .reg_bits = 8,
642 .val_bits = 32,
643 .max_register = 0xff,
644 .reg_read = tas571x_reg_read,
645 .reg_write = tas571x_reg_write,
646 .reg_defaults = tas5717_reg_defaults,
647 .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults),
648 .cache_type = REGCACHE_RBTREE,
649 .wr_table = &tas571x_write_regs,
650 .volatile_table = &tas571x_volatile_regs,
651};
652
653
654static const struct tas571x_chip tas5717_chip = {
655 .supply_names = tas5717_supply_names,
656 .num_supply_names = ARRAY_SIZE(tas5717_supply_names),
657 .controls = tas5717_controls,
658 .num_controls = ARRAY_SIZE(tas5717_controls),
659 .regmap_config = &tas5717_regmap_config,
660 .vol_reg_size = 2,
661};
662
663static const char *const tas5721_supply_names[] = {
664 "AVDD",
665 "DVDD",
666 "DRVDD",
667 "PVDD",
668};
669
670static const struct snd_kcontrol_new tas5721_controls[] = {
671 SOC_SINGLE_TLV("Master Volume",
672 TAS571X_MVOL_REG,
673 0, 0xff, 1, tas5711_volume_tlv),
674 SOC_DOUBLE_R_TLV("Speaker Volume",
675 TAS571X_CH1_VOL_REG,
676 TAS571X_CH2_VOL_REG,
677 0, 0xff, 1, tas5711_volume_tlv),
678 SOC_DOUBLE("Speaker Switch",
679 TAS571X_SOFT_MUTE_REG,
680 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
681 1, 1),
682};
683
684static const struct reg_default tas5721_reg_defaults[] = {
685 {TAS571X_CLK_CTRL_REG, 0x6c},
686 {TAS571X_DEV_ID_REG, 0x00},
687 {TAS571X_ERR_STATUS_REG, 0x00},
688 {TAS571X_SYS_CTRL_1_REG, 0xa0},
689 {TAS571X_SDI_REG, 0x05},
690 {TAS571X_SYS_CTRL_2_REG, 0x40},
691 {TAS571X_SOFT_MUTE_REG, 0x00},
692 {TAS571X_MVOL_REG, 0xff},
693 {TAS571X_CH1_VOL_REG, 0x30},
694 {TAS571X_CH2_VOL_REG, 0x30},
695 {TAS571X_CH3_VOL_REG, 0x30},
696 {TAS571X_VOL_CFG_REG, 0x91},
697 {TAS571X_MODULATION_LIMIT_REG, 0x02},
698 {TAS571X_IC_DELAY_CH1_REG, 0xac},
699 {TAS571X_IC_DELAY_CH2_REG, 0x54},
700 {TAS571X_IC_DELAY_CH3_REG, 0xac},
701 {TAS571X_IC_DELAY_CH4_REG, 0x54},
702 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30},
703 {TAS571X_START_STOP_PERIOD_REG, 0x0f},
704 {TAS571X_OSC_TRIM_REG, 0x82},
705 {TAS571X_BKND_ERR_REG, 0x02},
706 {TAS571X_INPUT_MUX_REG, 0x17772},
707 {TAS571X_CH4_SRC_SELECT_REG, 0x4303},
708 {TAS571X_PWM_MUX_REG, 0x1021345},
709};
710
711static const struct regmap_config tas5721_regmap_config = {
712 .reg_bits = 8,
713 .val_bits = 32,
714 .max_register = 0xff,
715 .reg_read = tas571x_reg_read,
716 .reg_write = tas571x_reg_write,
717 .reg_defaults = tas5721_reg_defaults,
718 .num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
719 .cache_type = REGCACHE_RBTREE,
720 .wr_table = &tas571x_write_regs,
721 .volatile_table = &tas571x_volatile_regs,
722};
723
724
725static const struct tas571x_chip tas5721_chip = {
726 .supply_names = tas5721_supply_names,
727 .num_supply_names = ARRAY_SIZE(tas5721_supply_names),
728 .controls = tas5711_controls,
729 .num_controls = ARRAY_SIZE(tas5711_controls),
730 .regmap_config = &tas5721_regmap_config,
731 .vol_reg_size = 1,
732};
733
734static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
735 SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
736 SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
737
738 SND_SOC_DAPM_OUTPUT("OUT_A"),
739 SND_SOC_DAPM_OUTPUT("OUT_B"),
740 SND_SOC_DAPM_OUTPUT("OUT_C"),
741 SND_SOC_DAPM_OUTPUT("OUT_D"),
742};
743
744static const struct snd_soc_dapm_route tas571x_dapm_routes[] = {
745 { "DACL", NULL, "Playback" },
746 { "DACR", NULL, "Playback" },
747
748 { "OUT_A", NULL, "DACL" },
749 { "OUT_B", NULL, "DACL" },
750 { "OUT_C", NULL, "DACR" },
751 { "OUT_D", NULL, "DACR" },
752};
753
754static const struct snd_soc_component_driver tas571x_component = {
755 .set_bias_level = tas571x_set_bias_level,
756 .dapm_widgets = tas571x_dapm_widgets,
757 .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets),
758 .dapm_routes = tas571x_dapm_routes,
759 .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes),
760 .use_pmdown_time = 1,
761 .endianness = 1,
762 .non_legacy_dai_naming = 1,
763};
764
765static struct snd_soc_dai_driver tas571x_dai = {
766 .name = "tas571x-hifi",
767 .playback = {
768 .stream_name = "Playback",
769 .channels_min = 2,
770 .channels_max = 2,
771 .rates = SNDRV_PCM_RATE_8000_48000,
772 .formats = SNDRV_PCM_FMTBIT_S32_LE |
773 SNDRV_PCM_FMTBIT_S24_LE |
774 SNDRV_PCM_FMTBIT_S16_LE,
775 },
776 .ops = &tas571x_dai_ops,
777};
778
779static const struct of_device_id tas571x_of_match[];
780
781static int tas571x_i2c_probe(struct i2c_client *client,
782 const struct i2c_device_id *id)
783{
784 struct tas571x_private *priv;
785 struct device *dev = &client->dev;
786 const struct of_device_id *of_id;
787 int i, ret;
788
789 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
790 if (!priv)
791 return -ENOMEM;
792 i2c_set_clientdata(client, priv);
793
794 of_id = of_match_device(tas571x_of_match, dev);
795 if (of_id)
796 priv->chip = of_id->data;
797 else
798 priv->chip = (void *) id->driver_data;
799
800 priv->mclk = devm_clk_get(dev, "mclk");
801 if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
802 dev_err(dev, "Failed to request mclk: %ld\n",
803 PTR_ERR(priv->mclk));
804 return PTR_ERR(priv->mclk);
805 }
806
807 if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES))
808 return -EINVAL;
809 for (i = 0; i < priv->chip->num_supply_names; i++)
810 priv->supplies[i].supply = priv->chip->supply_names[i];
811
812 ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names,
813 priv->supplies);
814 if (ret) {
815 dev_err(dev, "Failed to get supplies: %d\n", ret);
816 return ret;
817 }
818 ret = regulator_bulk_enable(priv->chip->num_supply_names,
819 priv->supplies);
820 if (ret) {
821 dev_err(dev, "Failed to enable supplies: %d\n", ret);
822 return ret;
823 }
824
825 priv->regmap = devm_regmap_init(dev, NULL, client,
826 priv->chip->regmap_config);
827 if (IS_ERR(priv->regmap))
828 return PTR_ERR(priv->regmap);
829
830 priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
831 if (IS_ERR(priv->pdn_gpio)) {
832 dev_err(dev, "error requesting pdn_gpio: %ld\n",
833 PTR_ERR(priv->pdn_gpio));
834 return PTR_ERR(priv->pdn_gpio);
835 }
836
837 priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
838 GPIOD_OUT_HIGH);
839 if (IS_ERR(priv->reset_gpio)) {
840 dev_err(dev, "error requesting reset_gpio: %ld\n",
841 PTR_ERR(priv->reset_gpio));
842 return PTR_ERR(priv->reset_gpio);
843 } else if (priv->reset_gpio) {
844
845 usleep_range(100, 200);
846 gpiod_set_value(priv->reset_gpio, 0);
847 usleep_range(13500, 20000);
848 }
849
850 ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
851 if (ret)
852 return ret;
853
854 usleep_range(50000, 60000);
855
856 memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver));
857 priv->component_driver.controls = priv->chip->controls;
858 priv->component_driver.num_controls = priv->chip->num_controls;
859
860 if (priv->chip->vol_reg_size == 2) {
861
862
863
864
865
866 ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
867 if (ret)
868 return ret;
869 }
870
871 return devm_snd_soc_register_component(&client->dev,
872 &priv->component_driver,
873 &tas571x_dai, 1);
874}
875
876static int tas571x_i2c_remove(struct i2c_client *client)
877{
878 struct tas571x_private *priv = i2c_get_clientdata(client);
879
880 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
881
882 return 0;
883}
884
885static const struct of_device_id tas571x_of_match[] = {
886 { .compatible = "ti,tas5707", .data = &tas5707_chip, },
887 { .compatible = "ti,tas5711", .data = &tas5711_chip, },
888 { .compatible = "ti,tas5717", .data = &tas5717_chip, },
889 { .compatible = "ti,tas5719", .data = &tas5717_chip, },
890 { .compatible = "ti,tas5721", .data = &tas5721_chip, },
891 { }
892};
893MODULE_DEVICE_TABLE(of, tas571x_of_match);
894
895static const struct i2c_device_id tas571x_i2c_id[] = {
896 { "tas5707", (kernel_ulong_t) &tas5707_chip },
897 { "tas5711", (kernel_ulong_t) &tas5711_chip },
898 { "tas5717", (kernel_ulong_t) &tas5717_chip },
899 { "tas5719", (kernel_ulong_t) &tas5717_chip },
900 { "tas5721", (kernel_ulong_t) &tas5721_chip },
901 { }
902};
903MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);
904
905static struct i2c_driver tas571x_i2c_driver = {
906 .driver = {
907 .name = "tas571x",
908 .of_match_table = of_match_ptr(tas571x_of_match),
909 },
910 .probe = tas571x_i2c_probe,
911 .remove = tas571x_i2c_remove,
912 .id_table = tas571x_i2c_id,
913};
914module_i2c_driver(tas571x_i2c_driver);
915
916MODULE_DESCRIPTION("ASoC TAS571x driver");
917MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>");
918MODULE_LICENSE("GPL");
919
