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, count: 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(adap: 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(size: 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(val: values[i], p); |
160 | |
161 | ret = i2c_master_send(client, buf, count: send_size); |
162 | |
163 | kfree(objp: 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(size: 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(adap: 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(objp: 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(client: i2c, reg: index, |
250 | values: ucontrol->value.integer.value, len: 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(client: i2c, reg: index, |
262 | values: ucontrol->value.integer.value, len: 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(c: 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(c: 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(p: params) >= 24) |
296 | val += 2; |
297 | else if (params_width(p: params) >= 20) |
298 | val += 1; |
299 | |
300 | return regmap_update_bits(map: 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 | val: sysctl2); |
316 | usleep_range(min: 1000, max: 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(c: 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(ptr: priv->mclk)) { |
335 | ret = clk_prepare_enable(clk: 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(ptr: priv->mclk)) |
347 | clk_disable_unprepare(clk: 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, size: sizeof(*priv), GFP_KERNEL); |
839 | if (!priv) |
840 | return -ENOMEM; |
841 | i2c_set_clientdata(client, data: priv); |
842 | |
843 | priv->chip = i2c_get_match_data(client); |
844 | |
845 | priv->mclk = devm_clk_get(dev, id: "mclk" ); |
846 | if (IS_ERR(ptr: priv->mclk) && PTR_ERR(ptr: priv->mclk) != -ENOENT) { |
847 | dev_err(dev, "Failed to request mclk: %ld\n" , |
848 | PTR_ERR(priv->mclk)); |
849 | return PTR_ERR(ptr: 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, num_consumers: priv->chip->num_supply_names, |
858 | consumers: 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(num_consumers: priv->chip->num_supply_names, |
864 | consumers: 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(ptr: priv->regmap)) { |
873 | ret = PTR_ERR(ptr: priv->regmap); |
874 | goto disable_regs; |
875 | } |
876 | |
877 | priv->pdn_gpio = devm_gpiod_get_optional(dev, con_id: "pdn" , flags: GPIOD_OUT_LOW); |
878 | if (IS_ERR(ptr: priv->pdn_gpio)) { |
879 | dev_err(dev, "error requesting pdn_gpio: %ld\n" , |
880 | PTR_ERR(priv->pdn_gpio)); |
881 | ret = PTR_ERR(ptr: priv->pdn_gpio); |
882 | goto disable_regs; |
883 | } |
884 | |
885 | priv->reset_gpio = devm_gpiod_get_optional(dev, con_id: "reset" , |
886 | flags: GPIOD_OUT_HIGH); |
887 | if (IS_ERR(ptr: priv->reset_gpio)) { |
888 | dev_err(dev, "error requesting reset_gpio: %ld\n" , |
889 | PTR_ERR(priv->reset_gpio)); |
890 | ret = PTR_ERR(ptr: 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(min: 100, max: 200); |
895 | gpiod_set_value(desc: priv->reset_gpio, value: 0); |
896 | usleep_range(min: 13500, max: 20000); |
897 | } |
898 | |
899 | ret = regmap_write(map: priv->regmap, TAS571X_OSC_TRIM_REG, val: 0); |
900 | if (ret) |
901 | goto disable_regs; |
902 | |
903 | usleep_range(min: 50000, max: 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(map: priv->regmap, TAS571X_MVOL_REG, mask: 1, val: 0); |
916 | if (ret) |
917 | goto disable_regs; |
918 | } |
919 | |
920 | ret = devm_snd_soc_register_component(dev: &client->dev, |
921 | component_driver: &priv->component_driver, |
922 | dai_drv: &tas571x_dai, num_dai: 1); |
923 | if (ret) |
924 | goto disable_regs; |
925 | |
926 | return ret; |
927 | |
928 | disable_regs: |
929 | regulator_bulk_disable(num_consumers: priv->chip->num_supply_names, consumers: 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(num_consumers: priv->chip->num_supply_names, consumers: 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 | |