1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // TAS2781 HDA SPI driver
4 //
5 // Copyright 2024 - 2025 Texas Instruments, Inc.
6 //
7 // Author: Baojun Xu <baojun.xu@ti.com>
8
9 #include <linux/acpi.h>
10 #include <linux/array_size.h>
11 #include <linux/bits.h>
12 #include <linux/cleanup.h>
13 #include <linux/crc8.h>
14 #include <linux/crc32.h>
15 #include <linux/efi.h>
16 #include <linux/firmware.h>
17 #include <linux/mod_devicetable.h>
18 #include <linux/module.h>
19 #include <linux/mutex.h>
20 #include <linux/pm_runtime.h>
21 #include <linux/property.h>
22 #include <linux/regmap.h>
23 #include <linux/spi/spi.h>
24 #include <linux/time.h>
25 #include <linux/types.h>
26 #include <linux/units.h>
27
28 #include <sound/hda_codec.h>
29 #include <sound/soc.h>
30 #include <sound/tas2781.h>
31 #include <sound/tlv.h>
32 #include <sound/tas2781-tlv.h>
33
34 #include "hda_local.h"
35 #include "hda_auto_parser.h"
36 #include "hda_component.h"
37 #include "hda_jack.h"
38 #include "../generic.h"
39 #include "tas2781_hda.h"
40
41 #define TASDEVICE_RANGE_MAX_SIZE (256 * 128)
42 #define TASDEVICE_WIN_LEN 128
43 #define TAS2781_SPI_MAX_FREQ (4 * HZ_PER_MHZ)
44 /* Flag of calibration registers address. */
45 #define TASDEVICE_CALIBRATION_REG_ADDRESS BIT(7)
46 #define TASDEV_UEFI_CALI_REG_ADDR_FLG BIT(7)
47
48 /* System Reset Check Register */
49 #define TAS2781_REG_CLK_CONFIG TASDEVICE_REG(0x0, 0x0, 0x5c)
50 #define TAS2781_REG_CLK_CONFIG_RESET 0x19
51
52 struct tas2781_hda_spi_priv {
53 struct snd_kcontrol *snd_ctls[3];
54 };
55
56 static const struct regmap_range_cfg tasdevice_ranges[] = {
57 {
58 .range_min = 0,
59 .range_max = TASDEVICE_RANGE_MAX_SIZE,
60 .selector_reg = TASDEVICE_PAGE_SELECT,
61 .selector_mask = GENMASK(7, 0),
62 .selector_shift = 0,
63 .window_start = 0,
64 .window_len = TASDEVICE_WIN_LEN,
65 },
66 };
67
68 static const struct regmap_config tasdevice_regmap = {
69 .reg_bits = 8,
70 .val_bits = 8,
71 .zero_flag_mask = true,
72 .read_flag_mask = 0x01,
73 .reg_shift = -1,
74 .cache_type = REGCACHE_NONE,
75 .ranges = tasdevice_ranges,
76 .num_ranges = ARRAY_SIZE(tasdevice_ranges),
77 .max_register = TASDEVICE_RANGE_MAX_SIZE,
78 };
79
tasdevice_spi_dev_read(struct tasdevice_priv * tas_priv,unsigned short chn,unsigned int reg,unsigned int * val)80 static int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv,
81 unsigned short chn, unsigned int reg, unsigned int *val)
82 {
83 int ret;
84
85 /*
86 * In our TAS2781 SPI mode, if read from other book (not book 0),
87 * or read from page number larger than 1 in book 0, one more byte
88 * read is needed, and first byte is a dummy byte, need to be ignored.
89 */
90 if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) {
91 unsigned char data[2];
92
93 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg,
94 data, sizeof(data));
95 *val = data[1];
96 } else {
97 ret = tasdevice_dev_read(tas_priv, chn, reg, val);
98 }
99 if (ret < 0)
100 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
101
102 return ret;
103 }
104
tasdevice_spi_dev_bulk_read(struct tasdevice_priv * tas_priv,unsigned short chn,unsigned int reg,unsigned char * data,unsigned int len)105 static int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv,
106 unsigned short chn, unsigned int reg, unsigned char *data,
107 unsigned int len)
108 {
109 int ret;
110
111 /*
112 * In our TAS2781 SPI mode, if read from other book (not book 0),
113 * or read from page number larger than 1 in book 0, one more byte
114 * read is needed, and first byte is a dummy byte, need to be ignored.
115 */
116 if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) {
117 unsigned char buf[TASDEVICE_WIN_LEN + 1];
118
119 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg,
120 buf, len + 1);
121 memcpy(data, buf + 1, len);
122 } else {
123 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, data, len);
124 }
125 if (ret < 0)
126 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
127
128 return ret;
129 }
130
tasdevice_spi_dev_update_bits(struct tasdevice_priv * tas_priv,unsigned short chn,unsigned int reg,unsigned int mask,unsigned int value)131 static int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv,
132 unsigned short chn, unsigned int reg, unsigned int mask,
133 unsigned int value)
134 {
135 int ret, val;
136
137 /*
138 * In our TAS2781 SPI mode, read/write was masked in last bit of
139 * address, it cause regmap_update_bits() not work as expected.
140 */
141 ret = tasdevice_dev_read(tas_priv, chn, reg, &val);
142 if (ret < 0) {
143 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
144 return ret;
145 }
146
147 ret = tasdevice_dev_write(tas_priv, chn, TASDEVICE_PAGE_REG(reg),
148 (val & ~mask) | (mask & value));
149 if (ret < 0)
150 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret);
151
152 return ret;
153 }
154
tasdevice_spi_change_chn_book(struct tasdevice_priv * p,unsigned short chn,int book)155 static int tasdevice_spi_change_chn_book(struct tasdevice_priv *p,
156 unsigned short chn, int book)
157 {
158 int ret = 0;
159
160 if (chn == p->index) {
161 struct tasdevice *tasdev = &p->tasdevice[chn];
162 struct regmap *map = p->regmap;
163
164 if (tasdev->cur_book != book) {
165 ret = regmap_write(map, TASDEVICE_BOOKCTL_REG, book);
166 if (ret < 0)
167 dev_err(p->dev, "%s, E=%d\n", __func__, ret);
168 else
169 tasdev->cur_book = book;
170 }
171 } else {
172 ret = -EXDEV;
173 dev_dbg(p->dev, "Not error, %s ignore channel(%d)\n",
174 __func__, chn);
175 }
176
177 return ret;
178 }
179
tas2781_spi_reset(struct tasdevice_priv * tas_dev)180 static void tas2781_spi_reset(struct tasdevice_priv *tas_dev)
181 {
182 int ret;
183
184 if (tas_dev->reset) {
185 gpiod_set_value_cansleep(tas_dev->reset, 0);
186 fsleep(800);
187 gpiod_set_value_cansleep(tas_dev->reset, 1);
188 } else {
189 ret = tasdevice_dev_write(tas_dev, tas_dev->index,
190 TASDEVICE_REG_SWRESET, TASDEVICE_REG_SWRESET_RESET);
191 if (ret < 0) {
192 dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret);
193 return;
194 }
195 fsleep(1000);
196 }
197 }
198
tascodec_spi_init(struct tasdevice_priv * tas_priv,void * codec,struct module * module,void (* cont)(const struct firmware * fw,void * context))199 static int tascodec_spi_init(struct tasdevice_priv *tas_priv,
200 void *codec, struct module *module,
201 void (*cont)(const struct firmware *fw, void *context))
202 {
203 int ret;
204
205 /*
206 * Codec Lock Hold to ensure that codec_probe and firmware parsing and
207 * loading do not simultaneously execute.
208 */
209 guard(mutex)(&tas_priv->codec_lock);
210
211 scnprintf(tas_priv->rca_binaryname,
212 sizeof(tas_priv->rca_binaryname), "%sRCA%d.bin",
213 tas_priv->dev_name, tas_priv->ndev);
214 crc8_populate_msb(tas_priv->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL);
215 tas_priv->codec = codec;
216 ret = request_firmware_nowait(module, FW_ACTION_UEVENT,
217 tas_priv->rca_binaryname, tas_priv->dev, GFP_KERNEL, tas_priv,
218 cont);
219 if (ret)
220 dev_err(tas_priv->dev, "request_firmware_nowait err:0x%08x\n",
221 ret);
222
223 return ret;
224 }
225
tasdevice_spi_init(struct tasdevice_priv * tas_priv)226 static void tasdevice_spi_init(struct tasdevice_priv *tas_priv)
227 {
228 tas_priv->tasdevice[tas_priv->index].cur_book = -1;
229 tas_priv->tasdevice[tas_priv->index].cur_conf = -1;
230 tas_priv->tasdevice[tas_priv->index].cur_prog = -1;
231
232 tas_priv->isspi = true;
233
234 tas_priv->update_bits = tasdevice_spi_dev_update_bits;
235 tas_priv->change_chn_book = tasdevice_spi_change_chn_book;
236 tas_priv->dev_read = tasdevice_spi_dev_read;
237 tas_priv->dev_bulk_read = tasdevice_spi_dev_bulk_read;
238
239 mutex_init(&tas_priv->codec_lock);
240 }
241
tasdevice_spi_amp_putvol(struct tasdevice_priv * tas_priv,struct snd_ctl_elem_value * ucontrol,struct soc_mixer_control * mc)242 static int tasdevice_spi_amp_putvol(struct tasdevice_priv *tas_priv,
243 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
244 {
245 unsigned int invert = mc->invert;
246 unsigned char mask;
247 int max = mc->max;
248 int val, ret;
249
250 mask = rounddown_pow_of_two(max);
251 mask <<= mc->shift;
252 val = clamp(invert ? max - ucontrol->value.integer.value[0] :
253 ucontrol->value.integer.value[0], 0, max);
254
255 ret = tasdevice_spi_dev_update_bits(tas_priv, tas_priv->index,
256 mc->reg, mask, (unsigned int)(val << mc->shift));
257 if (ret)
258 dev_err(tas_priv->dev, "set AMP vol error in dev %d\n",
259 tas_priv->index);
260
261 return ret;
262 }
263
tasdevice_spi_amp_getvol(struct tasdevice_priv * tas_priv,struct snd_ctl_elem_value * ucontrol,struct soc_mixer_control * mc)264 static int tasdevice_spi_amp_getvol(struct tasdevice_priv *tas_priv,
265 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
266 {
267 unsigned int invert = mc->invert;
268 unsigned char mask = 0;
269 int max = mc->max;
270 int ret, val;
271
272 ret = tasdevice_spi_dev_read(tas_priv, tas_priv->index, mc->reg, &val);
273 if (ret) {
274 dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__);
275 return ret;
276 }
277
278 mask = rounddown_pow_of_two(max);
279 mask <<= mc->shift;
280 val = (val & mask) >> mc->shift;
281 val = clamp(invert ? max - val : val, 0, max);
282 ucontrol->value.integer.value[0] = val;
283
284 return ret;
285 }
286
tasdevice_spi_digital_putvol(struct tasdevice_priv * p,struct snd_ctl_elem_value * ucontrol,struct soc_mixer_control * mc)287 static int tasdevice_spi_digital_putvol(struct tasdevice_priv *p,
288 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
289 {
290 unsigned int invert = mc->invert;
291 int max = mc->max;
292 int val, ret;
293
294 val = clamp(invert ? max - ucontrol->value.integer.value[0] :
295 ucontrol->value.integer.value[0], 0, max);
296 ret = tasdevice_dev_write(p, p->index, mc->reg, (unsigned int)val);
297 if (ret)
298 dev_err(p->dev, "set digital vol err in dev %d\n", p->index);
299
300 return ret;
301 }
302
tasdevice_spi_digital_getvol(struct tasdevice_priv * p,struct snd_ctl_elem_value * ucontrol,struct soc_mixer_control * mc)303 static int tasdevice_spi_digital_getvol(struct tasdevice_priv *p,
304 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc)
305 {
306 unsigned int invert = mc->invert;
307 int max = mc->max;
308 int ret, val;
309
310 ret = tasdevice_spi_dev_read(p, p->index, mc->reg, &val);
311 if (ret) {
312 dev_err(p->dev, "%s, get digital vol err\n", __func__);
313 return ret;
314 }
315
316 val = clamp(invert ? max - val : val, 0, max);
317 ucontrol->value.integer.value[0] = val;
318
319 return ret;
320 }
321
tas2781_read_acpi(struct tas2781_hda * tas_hda,const char * hid,int id)322 static int tas2781_read_acpi(struct tas2781_hda *tas_hda,
323 const char *hid, int id)
324 {
325 struct tasdevice_priv *p = tas_hda->priv;
326 struct acpi_device *adev;
327 struct device *physdev;
328 u32 values[HDA_MAX_COMPONENTS];
329 const char *property;
330 size_t nval;
331 int ret, i;
332
333 adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
334 if (!adev) {
335 dev_err(p->dev, "Failed to find ACPI device: %s\n", hid);
336 return -ENODEV;
337 }
338
339 strscpy(p->dev_name, hid, sizeof(p->dev_name));
340 physdev = get_device(acpi_get_first_physical_node(adev));
341 acpi_dev_put(adev);
342
343 property = "ti,dev-index";
344 ret = device_property_count_u32(physdev, property);
345 if (ret <= 0 || ret > ARRAY_SIZE(values)) {
346 ret = -EINVAL;
347 goto err;
348 }
349 p->ndev = nval = ret;
350
351 ret = device_property_read_u32_array(physdev, property, values, nval);
352 if (ret)
353 goto err;
354
355 p->index = U8_MAX;
356 for (i = 0; i < nval; i++) {
357 if (values[i] == id) {
358 p->index = i;
359 break;
360 }
361 }
362 if (p->index == U8_MAX) {
363 dev_dbg(p->dev, "No index found in %s\n", property);
364 ret = -ENODEV;
365 goto err;
366 }
367
368 if (p->index == 0) {
369 /* All of amps share same RESET pin. */
370 p->reset = devm_gpiod_get_index_optional(physdev, "reset",
371 p->index, GPIOD_OUT_LOW);
372 if (IS_ERR(p->reset)) {
373 ret = PTR_ERR(p->reset);
374 dev_err_probe(p->dev, ret, "Failed on reset GPIO\n");
375 goto err;
376 }
377 }
378 put_device(physdev);
379
380 return 0;
381 err:
382 dev_err(p->dev, "read acpi error, ret: %d\n", ret);
383 put_device(physdev);
384 acpi_dev_put(adev);
385
386 return ret;
387 }
388
tas2781_hda_playback_hook(struct device * dev,int action)389 static void tas2781_hda_playback_hook(struct device *dev, int action)
390 {
391 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
392 struct tasdevice_priv *tas_priv = tas_hda->priv;
393
394 if (action == HDA_GEN_PCM_ACT_OPEN) {
395 pm_runtime_get_sync(dev);
396 guard(mutex)(&tas_priv->codec_lock);
397 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK)
398 tasdevice_tuning_switch(tas_hda->priv, 0);
399 } else if (action == HDA_GEN_PCM_ACT_CLOSE) {
400 guard(mutex)(&tas_priv->codec_lock);
401 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK)
402 tasdevice_tuning_switch(tas_priv, 1);
403 pm_runtime_put_autosuspend(dev);
404 }
405 }
406
407 /*
408 * tas2781_digital_getvol - get the volum control
409 * @kcontrol: control pointer
410 * @ucontrol: User data
411 *
412 * Customer Kcontrol for tas2781 is primarily for regmap booking, paging
413 * depends on internal regmap mechanism.
414 * tas2781 contains book and page two-level register map, especially
415 * book switching will set the register BXXP00R7F, after switching to the
416 * correct book, then leverage the mechanism for paging to access the
417 * register.
418 *
419 * Return 0 if succeeded.
420 */
tas2781_digital_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)421 static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol,
422 struct snd_ctl_elem_value *ucontrol)
423 {
424 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
425 struct soc_mixer_control *mc =
426 (struct soc_mixer_control *)kcontrol->private_value;
427
428 guard(mutex)(&tas_priv->codec_lock);
429 return tasdevice_spi_digital_getvol(tas_priv, ucontrol, mc);
430 }
431
tas2781_amp_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)432 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
433 struct snd_ctl_elem_value *ucontrol)
434 {
435 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
436 struct soc_mixer_control *mc =
437 (struct soc_mixer_control *)kcontrol->private_value;
438
439 guard(mutex)(&tas_priv->codec_lock);
440 return tasdevice_spi_amp_getvol(tas_priv, ucontrol, mc);
441 }
442
tas2781_digital_putvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)443 static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol,
444 struct snd_ctl_elem_value *ucontrol)
445 {
446 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
447 struct soc_mixer_control *mc =
448 (struct soc_mixer_control *)kcontrol->private_value;
449
450 guard(mutex)(&tas_priv->codec_lock);
451 return tasdevice_spi_digital_putvol(tas_priv, ucontrol, mc);
452 }
453
tas2781_amp_putvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)454 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
455 struct snd_ctl_elem_value *ucontrol)
456 {
457 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
458 struct soc_mixer_control *mc =
459 (struct soc_mixer_control *)kcontrol->private_value;
460
461 guard(mutex)(&tas_priv->codec_lock);
462 return tasdevice_spi_amp_putvol(tas_priv, ucontrol, mc);
463 }
464
tas2781_force_fwload_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)465 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
466 struct snd_ctl_elem_value *ucontrol)
467 {
468 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
469
470 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
471 dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
472 str_on_off(tas_priv->force_fwload_status));
473
474 return 0;
475 }
476
tas2781_force_fwload_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)477 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
478 struct snd_ctl_elem_value *ucontrol)
479 {
480 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
481 bool change, val = (bool)ucontrol->value.integer.value[0];
482
483 if (tas_priv->force_fwload_status == val) {
484 change = false;
485 } else {
486 change = true;
487 tas_priv->force_fwload_status = val;
488 }
489 dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__,
490 str_on_off(tas_priv->force_fwload_status));
491
492 return change;
493 }
494
495 static struct snd_kcontrol_new tas2781_snd_ctls[] = {
496 ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_AMP_LEVEL, 1, 0, 20, 0,
497 tas2781_amp_getvol, tas2781_amp_putvol,
498 tas2781_amp_tlv),
499 ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_DVC_LVL, 0, 0, 200, 1,
500 tas2781_digital_getvol, tas2781_digital_putvol,
501 tas2781_dvc_tlv),
502 ACARD_SINGLE_BOOL_EXT(NULL, 0, tas2781_force_fwload_get,
503 tas2781_force_fwload_put),
504 };
505
506 static struct snd_kcontrol_new tas2781_prof_ctl = {
507 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
508 .info = tasdevice_info_profile,
509 .get = tasdevice_get_profile_id,
510 .put = tasdevice_set_profile_id,
511 };
512
513 static struct snd_kcontrol_new tas2781_dsp_ctls[] = {
514 /* Speaker Program */
515 {
516 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
517 .info = tasdevice_info_programs,
518 .get = tasdevice_program_get,
519 .put = tasdevice_program_put,
520 },
521 /* Speaker Config */
522 {
523 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
524 .info = tasdevice_info_config,
525 .get = tasdevice_config_get,
526 .put = tasdevice_config_put,
527 },
528 };
529
tas2781_hda_remove_controls(struct tas2781_hda * tas_hda)530 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
531 {
532 struct hda_codec *codec = tas_hda->priv->codec;
533 struct tas2781_hda_spi_priv *h_priv = tas_hda->hda_priv;
534
535 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
536
537 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
538
539 for (int i = ARRAY_SIZE(h_priv->snd_ctls) - 1; i >= 0; i--)
540 snd_ctl_remove(codec->card, h_priv->snd_ctls[i]);
541
542 snd_ctl_remove(codec->card, tas_hda->prof_ctl);
543 }
544
tas2781_hda_spi_prf_ctl(struct tas2781_hda * h)545 static int tas2781_hda_spi_prf_ctl(struct tas2781_hda *h)
546 {
547 struct tasdevice_priv *p = h->priv;
548 struct hda_codec *c = p->codec;
549 char name[64];
550 int rc;
551
552 snprintf(name, sizeof(name), "Speaker-%d Profile Id", p->index);
553 tas2781_prof_ctl.name = name;
554 h->prof_ctl = snd_ctl_new1(&tas2781_prof_ctl, p);
555 rc = snd_ctl_add(c->card, h->prof_ctl);
556 if (rc)
557 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
558 tas2781_prof_ctl.name, rc);
559 return rc;
560 }
561
tas2781_hda_spi_snd_ctls(struct tas2781_hda * h)562 static int tas2781_hda_spi_snd_ctls(struct tas2781_hda *h)
563 {
564 struct tas2781_hda_spi_priv *h_priv = h->hda_priv;
565 struct tasdevice_priv *p = h->priv;
566 struct hda_codec *c = p->codec;
567 char name[64];
568 int i = 0;
569 int rc;
570
571 snprintf(name, sizeof(name), "Speaker-%d Analog Volume", p->index);
572 tas2781_snd_ctls[i].name = name;
573 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p);
574 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]);
575 if (rc) {
576 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
577 tas2781_snd_ctls[i].name, rc);
578 return rc;
579 }
580 i++;
581 snprintf(name, sizeof(name), "Speaker-%d Digital Volume", p->index);
582 tas2781_snd_ctls[i].name = name;
583 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p);
584 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]);
585 if (rc) {
586 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
587 tas2781_snd_ctls[i].name, rc);
588 return rc;
589 }
590 i++;
591 snprintf(name, sizeof(name), "Froce Speaker-%d FW Load", p->index);
592 tas2781_snd_ctls[i].name = name;
593 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p);
594 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]);
595 if (rc) {
596 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
597 tas2781_snd_ctls[i].name, rc);
598 }
599 return rc;
600 }
601
tas2781_hda_spi_dsp_ctls(struct tas2781_hda * h)602 static int tas2781_hda_spi_dsp_ctls(struct tas2781_hda *h)
603 {
604 struct tasdevice_priv *p = h->priv;
605 struct hda_codec *c = p->codec;
606 char name[64];
607 int i = 0;
608 int rc;
609
610 snprintf(name, sizeof(name), "Speaker-%d Program Id", p->index);
611 tas2781_dsp_ctls[i].name = name;
612 h->dsp_prog_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p);
613 rc = snd_ctl_add(c->card, h->dsp_prog_ctl);
614 if (rc) {
615 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
616 tas2781_dsp_ctls[i].name, rc);
617 return rc;
618 }
619 i++;
620 snprintf(name, sizeof(name), "Speaker-%d Config Id", p->index);
621 tas2781_dsp_ctls[i].name = name;
622 h->dsp_conf_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p);
623 rc = snd_ctl_add(c->card, h->dsp_conf_ctl);
624 if (rc) {
625 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n",
626 tas2781_dsp_ctls[i].name, rc);
627 }
628
629 return rc;
630 }
631
tasdev_fw_ready(const struct firmware * fmw,void * context)632 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
633 {
634 struct tasdevice_priv *tas_priv = context;
635 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
636 struct hda_codec *codec = tas_priv->codec;
637 int ret, val;
638
639 pm_runtime_get_sync(tas_priv->dev);
640 guard(mutex)(&tas_priv->codec_lock);
641
642 ret = tasdevice_rca_parser(tas_priv, fmw);
643 if (ret)
644 goto out;
645
646 /* Add control one time only. */
647 ret = tas2781_hda_spi_prf_ctl(tas_hda);
648 if (ret)
649 goto out;
650
651 ret = tas2781_hda_spi_snd_ctls(tas_hda);
652 if (ret)
653 goto out;
654
655 tasdevice_dsp_remove(tas_priv);
656
657 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
658 scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X-%01d.bin",
659 lower_16_bits(codec->core.subsystem_id), tas_priv->index);
660 ret = tasdevice_dsp_parser(tas_priv);
661 if (ret) {
662 dev_err(tas_priv->dev, "dspfw load %s error\n",
663 tas_priv->coef_binaryname);
664 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
665 goto out;
666 }
667
668 ret = tas2781_hda_spi_dsp_ctls(tas_hda);
669 if (ret)
670 goto out;
671 /* Perform AMP reset before firmware download. */
672 tas2781_spi_reset(tas_priv);
673 tas_priv->rcabin.profile_cfg_id = 0;
674
675 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
676 ret = tasdevice_spi_dev_read(tas_priv, tas_priv->index,
677 TAS2781_REG_CLK_CONFIG, &val);
678 if (ret < 0)
679 goto out;
680
681 if (val == TAS2781_REG_CLK_CONFIG_RESET) {
682 ret = tasdevice_prmg_load(tas_priv, 0);
683 if (ret < 0) {
684 dev_err(tas_priv->dev, "FW download failed = %d\n",
685 ret);
686 goto out;
687 }
688 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
689 }
690 if (tas_priv->fmw->nr_programs > 0)
691 tas_priv->tasdevice[tas_priv->index].cur_prog = 0;
692 if (tas_priv->fmw->nr_configurations > 0)
693 tas_priv->tasdevice[tas_priv->index].cur_conf = 0;
694
695 /*
696 * If calibrated data occurs error, dsp will still works with default
697 * calibrated data inside algo.
698 */
699 tas2781_save_calibration(tas_hda);
700 out:
701 release_firmware(fmw);
702 pm_runtime_put_autosuspend(tas_hda->priv->dev);
703 }
704
tas2781_hda_bind(struct device * dev,struct device * master,void * master_data)705 static int tas2781_hda_bind(struct device *dev, struct device *master,
706 void *master_data)
707 {
708 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
709 struct hda_component_parent *parent = master_data;
710 struct hda_component *comp;
711 struct hda_codec *codec;
712 int ret;
713
714 comp = hda_component_from_index(parent, tas_hda->priv->index);
715 if (!comp)
716 return -EINVAL;
717
718 if (comp->dev)
719 return -EBUSY;
720
721 codec = parent->codec;
722
723 pm_runtime_get_sync(dev);
724
725 comp->dev = dev;
726
727 strscpy(comp->name, dev_name(dev), sizeof(comp->name));
728
729 ret = tascodec_spi_init(tas_hda->priv, codec, THIS_MODULE,
730 tasdev_fw_ready);
731 if (!ret)
732 comp->playback_hook = tas2781_hda_playback_hook;
733
734 pm_runtime_put_autosuspend(dev);
735
736 return ret;
737 }
738
tas2781_hda_unbind(struct device * dev,struct device * master,void * master_data)739 static void tas2781_hda_unbind(struct device *dev, struct device *master,
740 void *master_data)
741 {
742 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
743 struct hda_component_parent *parent = master_data;
744 struct tasdevice_priv *tas_priv = tas_hda->priv;
745 struct hda_component *comp;
746
747 comp = hda_component_from_index(parent, tas_priv->index);
748 if (comp && (comp->dev == dev)) {
749 comp->dev = NULL;
750 memset(comp->name, 0, sizeof(comp->name));
751 comp->playback_hook = NULL;
752 }
753
754 tas2781_hda_remove_controls(tas_hda);
755
756 tasdevice_config_info_remove(tas_priv);
757 tasdevice_dsp_remove(tas_priv);
758
759 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
760 }
761
762 static const struct component_ops tas2781_hda_comp_ops = {
763 .bind = tas2781_hda_bind,
764 .unbind = tas2781_hda_unbind,
765 };
766
tas2781_hda_spi_probe(struct spi_device * spi)767 static int tas2781_hda_spi_probe(struct spi_device *spi)
768 {
769 struct tas2781_hda_spi_priv *hda_priv;
770 struct tasdevice_priv *tas_priv;
771 struct tas2781_hda *tas_hda;
772 const char *device_name;
773 int ret = 0;
774
775 tas_hda = devm_kzalloc(&spi->dev, sizeof(*tas_hda), GFP_KERNEL);
776 if (!tas_hda)
777 return -ENOMEM;
778
779 hda_priv = devm_kzalloc(&spi->dev, sizeof(*hda_priv), GFP_KERNEL);
780 if (!hda_priv)
781 return -ENOMEM;
782
783 tas_hda->hda_priv = hda_priv;
784 spi->max_speed_hz = TAS2781_SPI_MAX_FREQ;
785
786 tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL);
787 if (!tas_priv)
788 return -ENOMEM;
789 tas_priv->dev = &spi->dev;
790 tas_hda->priv = tas_priv;
791 tas_priv->regmap = devm_regmap_init_spi(spi, &tasdevice_regmap);
792 if (IS_ERR(tas_priv->regmap)) {
793 ret = PTR_ERR(tas_priv->regmap);
794 dev_err(tas_priv->dev, "Failed to allocate regmap: %d\n",
795 ret);
796 return ret;
797 }
798 if (strstr(dev_name(&spi->dev), "TXNW2781")) {
799 device_name = "TXNW2781";
800 } else {
801 dev_err(tas_priv->dev, "Unmatched spi dev %s\n",
802 dev_name(&spi->dev));
803 return -ENODEV;
804 }
805
806 tas_priv->irq = spi->irq;
807 dev_set_drvdata(&spi->dev, tas_hda);
808 ret = tas2781_read_acpi(tas_hda, device_name,
809 spi_get_chipselect(spi, 0));
810 if (ret)
811 return dev_err_probe(tas_priv->dev, ret,
812 "Platform not supported\n");
813
814 tasdevice_spi_init(tas_priv);
815
816 pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000);
817 pm_runtime_use_autosuspend(tas_priv->dev);
818 pm_runtime_set_active(tas_priv->dev);
819 pm_runtime_get_noresume(tas_priv->dev);
820 pm_runtime_enable(tas_priv->dev);
821
822 pm_runtime_put_autosuspend(tas_priv->dev);
823
824 ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops);
825 if (ret) {
826 dev_err(tas_priv->dev, "Register component fail: %d\n", ret);
827 pm_runtime_disable(tas_priv->dev);
828 tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops);
829 }
830
831 return ret;
832 }
833
tas2781_hda_spi_remove(struct spi_device * spi)834 static void tas2781_hda_spi_remove(struct spi_device *spi)
835 {
836 tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops);
837 }
838
tas2781_runtime_suspend(struct device * dev)839 static int tas2781_runtime_suspend(struct device *dev)
840 {
841 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
842 struct tasdevice_priv *tas_priv = tas_hda->priv;
843
844 guard(mutex)(&tas_priv->codec_lock);
845
846 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK
847 && tas_priv->playback_started)
848 tasdevice_tuning_switch(tas_priv, 1);
849
850 tas_priv->tasdevice[tas_priv->index].cur_book = -1;
851 tas_priv->tasdevice[tas_priv->index].cur_conf = -1;
852
853 return 0;
854 }
855
tas2781_runtime_resume(struct device * dev)856 static int tas2781_runtime_resume(struct device *dev)
857 {
858 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
859 struct tasdevice_priv *tas_priv = tas_hda->priv;
860
861 guard(mutex)(&tas_priv->codec_lock);
862
863 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK
864 && tas_priv->playback_started)
865 tasdevice_tuning_switch(tas_priv, 0);
866
867 return 0;
868 }
869
tas2781_system_suspend(struct device * dev)870 static int tas2781_system_suspend(struct device *dev)
871 {
872 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
873 struct tasdevice_priv *tas_priv = tas_hda->priv;
874 int ret;
875
876 ret = pm_runtime_force_suspend(dev);
877 if (ret)
878 return ret;
879
880 /* Shutdown chip before system suspend */
881 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK
882 && tas_priv->playback_started)
883 tasdevice_tuning_switch(tas_priv, 1);
884
885 return 0;
886 }
887
tas2781_system_resume(struct device * dev)888 static int tas2781_system_resume(struct device *dev)
889 {
890 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
891 struct tasdevice_priv *tas_priv = tas_hda->priv;
892 int ret, val;
893
894 ret = pm_runtime_force_resume(dev);
895 if (ret)
896 return ret;
897
898 guard(mutex)(&tas_priv->codec_lock);
899 ret = tas_priv->dev_read(tas_priv, tas_priv->index,
900 TAS2781_REG_CLK_CONFIG, &val);
901 if (ret < 0)
902 return ret;
903
904 if (val == TAS2781_REG_CLK_CONFIG_RESET) {
905 tas_priv->tasdevice[tas_priv->index].cur_book = -1;
906 tas_priv->tasdevice[tas_priv->index].cur_conf = -1;
907 tas_priv->tasdevice[tas_priv->index].cur_prog = -1;
908
909 ret = tasdevice_prmg_load(tas_priv, 0);
910 if (ret < 0) {
911 dev_err(tas_priv->dev,
912 "FW download failed = %d\n", ret);
913 return ret;
914 }
915 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
916
917 if (tas_priv->playback_started)
918 tasdevice_tuning_switch(tas_priv, 0);
919 }
920
921 return ret;
922 }
923
924 static const struct dev_pm_ops tas2781_hda_pm_ops = {
925 RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
926 SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
927 };
928
929 static const struct spi_device_id tas2781_hda_spi_id[] = {
930 { "tas2781-hda", },
931 {}
932 };
933
934 static const struct acpi_device_id tas2781_acpi_hda_match[] = {
935 {"TXNW2781", },
936 {}
937 };
938 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
939
940 static struct spi_driver tas2781_hda_spi_driver = {
941 .driver = {
942 .name = "tas2781-hda",
943 .acpi_match_table = tas2781_acpi_hda_match,
944 .pm = &tas2781_hda_pm_ops,
945 },
946 .id_table = tas2781_hda_spi_id,
947 .probe = tas2781_hda_spi_probe,
948 .remove = tas2781_hda_spi_remove,
949 };
950 module_spi_driver(tas2781_hda_spi_driver);
951
952 MODULE_DESCRIPTION("TAS2781 HDA SPI Driver");
953 MODULE_AUTHOR("Baojun, Xu, <baojun.xug@ti.com>");
954 MODULE_LICENSE("GPL");
955 MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB");
956 MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781");
957