1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // TAS2781 HDA I2C driver
4 //
5 // Copyright 2023 - 2025 Texas Instruments, Inc.
6 //
7 // Author: Shenghao Ding <shenghao-ding@ti.com>
8 // Current maintainer: Baojun Xu <baojun.xu@ti.com>
9
10 #include <linux/unaligned.h>
11 #include <linux/acpi.h>
12 #include <linux/crc8.h>
13 #include <linux/crc32.h>
14 #include <linux/efi.h>
15 #include <linux/firmware.h>
16 #include <linux/i2c.h>
17 #include <linux/mod_devicetable.h>
18 #include <linux/module.h>
19 #include <linux/pci_ids.h>
20 #include <linux/pm_runtime.h>
21 #include <linux/regmap.h>
22 #include <sound/hda_codec.h>
23 #include <sound/soc.h>
24 #include <sound/tas2781.h>
25 #include <sound/tas2781-comlib-i2c.h>
26 #include <sound/tlv.h>
27 #include <sound/tas2770-tlv.h>
28 #include <sound/tas2781-tlv.h>
29
30 #include "hda_local.h"
31 #include "hda_auto_parser.h"
32 #include "hda_component.h"
33 #include "hda_jack.h"
34 #include "../generic.h"
35 #include "tas2781_hda.h"
36
37 #define TAS2563_CAL_VAR_NAME_MAX 16
38 #define TAS2563_CAL_ARRAY_SIZE 80
39 #define TAS2563_CAL_DATA_SIZE 4
40 #define TAS2563_MAX_CHANNELS 4
41 #define TAS2563_CAL_CH_SIZE 20
42
43 #define TAS2563_CAL_R0_LOW TASDEVICE_REG(0, 0x0f, 0x48)
44 #define TAS2563_CAL_POWER TASDEVICE_REG(0, 0x0d, 0x3c)
45 #define TAS2563_CAL_INVR0 TASDEVICE_REG(0, 0x0f, 0x40)
46 #define TAS2563_CAL_TLIM TASDEVICE_REG(0, 0x10, 0x14)
47 #define TAS2563_CAL_R0 TASDEVICE_REG(0, 0x0f, 0x34)
48
49 enum device_chip_id {
50 HDA_TAS2563,
51 HDA_TAS2770,
52 HDA_TAS2781,
53 HDA_OTHERS
54 };
55
56 struct tas2781_hda_i2c_priv {
57 struct snd_kcontrol *snd_ctls[2];
58 int (*save_calibration)(struct tas2781_hda *h);
59
60 int hda_chip_id;
61 };
62
tas2781_get_i2c_res(struct acpi_resource * ares,void * data)63 static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
64 {
65 struct tasdevice_priv *tas_priv = data;
66 struct acpi_resource_i2c_serialbus *sb;
67
68 if (i2c_acpi_get_i2c_resource(ares, &sb)) {
69 if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
70 sb->slave_address != tas_priv->global_addr) {
71 tas_priv->tasdevice[tas_priv->ndev].dev_addr =
72 (unsigned int)sb->slave_address;
73 tas_priv->ndev++;
74 }
75 }
76 return 1;
77 }
78
79 static const struct acpi_gpio_params speakerid_gpios = { 0, 0, false };
80
81 static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = {
82 { "speakerid-gpios", &speakerid_gpios, 1 },
83 { }
84 };
85
tas2781_read_acpi(struct tasdevice_priv * p,const char * hid)86 static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
87 {
88 struct acpi_device *adev;
89 struct device *physdev;
90 LIST_HEAD(resources);
91 const char *sub;
92 uint32_t subid;
93 int ret;
94
95 adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
96 if (!adev) {
97 dev_err(p->dev,
98 "Failed to find an ACPI device for %s\n", hid);
99 return -ENODEV;
100 }
101
102 physdev = get_device(acpi_get_first_physical_node(adev));
103 ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p);
104 if (ret < 0) {
105 dev_err(p->dev, "Failed to get ACPI resource.\n");
106 goto err;
107 }
108 sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
109 if (IS_ERR(sub)) {
110 /* No subsys id in older tas2563 projects. */
111 if (!strncmp(hid, "INT8866", sizeof("INT8866")))
112 goto end_2563;
113 dev_err(p->dev, "Failed to get SUBSYS ID.\n");
114 ret = PTR_ERR(sub);
115 goto err;
116 }
117 /* Speaker id was needed for ASUS projects. */
118 ret = kstrtou32(sub, 16, &subid);
119 if (!ret && upper_16_bits(subid) == PCI_VENDOR_ID_ASUSTEK) {
120 ret = devm_acpi_dev_add_driver_gpios(p->dev,
121 tas2781_speaker_id_gpios);
122 if (ret < 0)
123 dev_err(p->dev, "Failed to add driver gpio %d.\n",
124 ret);
125 p->speaker_id = devm_gpiod_get(p->dev, "speakerid", GPIOD_IN);
126 if (IS_ERR(p->speaker_id)) {
127 dev_err(p->dev, "Failed to get Speaker id.\n");
128 ret = PTR_ERR(p->speaker_id);
129 goto err;
130 }
131 } else {
132 p->speaker_id = NULL;
133 }
134
135 end_2563:
136 acpi_dev_free_resource_list(&resources);
137 strscpy(p->dev_name, hid, sizeof(p->dev_name));
138 put_device(physdev);
139 acpi_dev_put(adev);
140
141 return 0;
142
143 err:
144 dev_err(p->dev, "read acpi error, ret: %d\n", ret);
145 put_device(physdev);
146 acpi_dev_put(adev);
147
148 return ret;
149 }
150
tas2781_hda_playback_hook(struct device * dev,int action)151 static void tas2781_hda_playback_hook(struct device *dev, int action)
152 {
153 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
154
155 dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action);
156 switch (action) {
157 case HDA_GEN_PCM_ACT_OPEN:
158 pm_runtime_get_sync(dev);
159 mutex_lock(&tas_hda->priv->codec_lock);
160 tasdevice_tuning_switch(tas_hda->priv, 0);
161 tas_hda->priv->playback_started = true;
162 mutex_unlock(&tas_hda->priv->codec_lock);
163 break;
164 case HDA_GEN_PCM_ACT_CLOSE:
165 mutex_lock(&tas_hda->priv->codec_lock);
166 tasdevice_tuning_switch(tas_hda->priv, 1);
167 tas_hda->priv->playback_started = false;
168 mutex_unlock(&tas_hda->priv->codec_lock);
169
170 pm_runtime_put_autosuspend(dev);
171 break;
172 default:
173 break;
174 }
175 }
176
tas2781_amp_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)177 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
178 struct snd_ctl_elem_value *ucontrol)
179 {
180 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
181 struct soc_mixer_control *mc =
182 (struct soc_mixer_control *)kcontrol->private_value;
183 int ret;
184
185 mutex_lock(&tas_priv->codec_lock);
186
187 ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
188
189 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
190 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
191
192 mutex_unlock(&tas_priv->codec_lock);
193
194 return ret;
195 }
196
tas2781_amp_putvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)197 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
198 struct snd_ctl_elem_value *ucontrol)
199 {
200 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
201 struct soc_mixer_control *mc =
202 (struct soc_mixer_control *)kcontrol->private_value;
203 int ret;
204
205 mutex_lock(&tas_priv->codec_lock);
206
207 dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
208 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
209
210 /* The check of the given value is in tasdevice_amp_putvol. */
211 ret = tasdevice_amp_putvol(tas_priv, ucontrol, mc);
212
213 mutex_unlock(&tas_priv->codec_lock);
214
215 return ret;
216 }
217
tas2781_force_fwload_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)218 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
219 struct snd_ctl_elem_value *ucontrol)
220 {
221 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
222
223 mutex_lock(&tas_priv->codec_lock);
224
225 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
226 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
227 __func__, kcontrol->id.name, tas_priv->force_fwload_status);
228
229 mutex_unlock(&tas_priv->codec_lock);
230
231 return 0;
232 }
233
tas2781_force_fwload_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)234 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
235 struct snd_ctl_elem_value *ucontrol)
236 {
237 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
238 bool change, val = (bool)ucontrol->value.integer.value[0];
239
240 mutex_lock(&tas_priv->codec_lock);
241
242 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
243 __func__, kcontrol->id.name,
244 tas_priv->force_fwload_status, val);
245
246 if (tas_priv->force_fwload_status == val)
247 change = false;
248 else {
249 change = true;
250 tas_priv->force_fwload_status = val;
251 }
252
253 mutex_unlock(&tas_priv->codec_lock);
254
255 return change;
256 }
257
258 static const struct snd_kcontrol_new tas2770_snd_controls[] = {
259 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2770_AMP_LEVEL,
260 0, 0, 20, 0, tas2781_amp_getvol,
261 tas2781_amp_putvol, tas2770_amp_tlv),
262 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS2770_DVC_LEVEL,
263 0, 0, 200, 1, tas2781_amp_getvol,
264 tas2781_amp_putvol, tas2770_dvc_tlv),
265 };
266
267 static const struct snd_kcontrol_new tas2781_snd_controls[] = {
268 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2781_AMP_LEVEL,
269 1, 0, 20, 0, tas2781_amp_getvol,
270 tas2781_amp_putvol, tas2781_amp_tlv),
271 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
272 tas2781_force_fwload_get, tas2781_force_fwload_put),
273 };
274
275 static const struct snd_kcontrol_new tasdevice_prof_ctrl = {
276 .name = "Speaker Profile Id",
277 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
278 .info = tasdevice_info_profile,
279 .get = tasdevice_get_profile_id,
280 .put = tasdevice_set_profile_id,
281 };
282
283 static const struct snd_kcontrol_new tasdevice_dsp_prog_ctrl = {
284 .name = "Speaker Program Id",
285 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
286 .info = tasdevice_info_programs,
287 .get = tasdevice_program_get,
288 .put = tasdevice_program_put,
289 };
290
291 static const struct snd_kcontrol_new tasdevice_dsp_conf_ctrl = {
292 .name = "Speaker Config Id",
293 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
294 .info = tasdevice_info_config,
295 .get = tasdevice_config_get,
296 .put = tasdevice_config_put,
297 };
298
tas2563_save_calibration(struct tas2781_hda * h)299 static int tas2563_save_calibration(struct tas2781_hda *h)
300 {
301 efi_guid_t efi_guid = tasdev_fct_efi_guid[LENOVO];
302 char *vars[TASDEV_CALIB_N] = {
303 "R0_%d", "R0_Low_%d", "InvR0_%d", "Power_%d", "TLim_%d"
304 };
305 efi_char16_t efi_name[TAS2563_CAL_VAR_NAME_MAX];
306 unsigned long max_size = TAS2563_CAL_DATA_SIZE;
307 unsigned char var8[TAS2563_CAL_VAR_NAME_MAX];
308 struct tasdevice_priv *p = h->priv;
309 struct calidata *cd = &p->cali_data;
310 struct cali_reg *r = &cd->cali_reg_array;
311 unsigned int offset = 0;
312 unsigned char *data;
313 __be32 bedata;
314 efi_status_t status;
315 unsigned int attr;
316 int ret, i, j, k;
317
318 cd->cali_dat_sz_per_dev = TAS2563_CAL_DATA_SIZE * TASDEV_CALIB_N;
319
320 /* extra byte for each device is the device number */
321 cd->total_sz = (cd->cali_dat_sz_per_dev + 1) * p->ndev;
322 data = cd->data = devm_kzalloc(p->dev, cd->total_sz,
323 GFP_KERNEL);
324 if (!data)
325 return -ENOMEM;
326
327 for (i = 0; i < p->ndev; ++i) {
328 data[offset] = i;
329 offset++;
330 for (j = 0; j < TASDEV_CALIB_N; ++j) {
331 /* EFI name for calibration started with 1, not 0 */
332 ret = snprintf(var8, sizeof(var8), vars[j], i + 1);
333 if (ret < 0 || ret >= sizeof(var8) - 1) {
334 dev_err(p->dev, "%s: Read %s failed\n",
335 __func__, var8);
336 return -EINVAL;
337 }
338 /*
339 * Our variable names are ASCII by construction, but
340 * EFI names are wide chars. Convert and zero-pad.
341 */
342 memset(efi_name, 0, sizeof(efi_name));
343 for (k = 0; k < sizeof(var8) && var8[k]; k++)
344 efi_name[k] = var8[k];
345 status = efi.get_variable(efi_name,
346 &efi_guid, &attr, &max_size,
347 &data[offset]);
348 if (status != EFI_SUCCESS ||
349 max_size != TAS2563_CAL_DATA_SIZE) {
350 dev_warn(p->dev,
351 "Dev %d: Caldat[%d] read failed %ld\n",
352 i, j, status);
353 return -EINVAL;
354 }
355 bedata = cpu_to_be32(*(uint32_t *)&data[offset]);
356 memcpy(&data[offset], &bedata, sizeof(bedata));
357 offset += TAS2563_CAL_DATA_SIZE;
358 }
359 }
360
361 if (cd->total_sz != offset) {
362 dev_err(p->dev, "%s: tot_size(%lu) and offset(%u) dismatch\n",
363 __func__, cd->total_sz, offset);
364 return -EINVAL;
365 }
366
367 r->r0_reg = TAS2563_CAL_R0;
368 r->invr0_reg = TAS2563_CAL_INVR0;
369 r->r0_low_reg = TAS2563_CAL_R0_LOW;
370 r->pow_reg = TAS2563_CAL_POWER;
371 r->tlimit_reg = TAS2563_CAL_TLIM;
372
373 /*
374 * TAS2781_FMWLIB supports two solutions of calibrated data. One is
375 * from the driver itself: driver reads the calibrated files directly
376 * during probe; The other from user space: during init of audio hal,
377 * the audio hal will pass the calibrated data via kcontrol interface.
378 * Driver will store this data in "struct calidata" for use. For hda
379 * device, calibrated data are usunally saved into UEFI. So Hda side
380 * codec driver use the mixture of these two solutions, driver reads
381 * the data from UEFI, then store this data in "struct calidata" for
382 * use.
383 */
384 p->is_user_space_calidata = true;
385
386 return 0;
387 }
388
tas2781_hda_remove_controls(struct tas2781_hda * tas_hda)389 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
390 {
391 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
392 struct hda_codec *codec = tas_hda->priv->codec;
393
394 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
395 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
396
397 for (int i = ARRAY_SIZE(hda_priv->snd_ctls) - 1; i >= 0; i--)
398 snd_ctl_remove(codec->card, hda_priv->snd_ctls[i]);
399
400 snd_ctl_remove(codec->card, tas_hda->prof_ctl);
401 }
402
tasdev_add_kcontrols(struct tasdevice_priv * tas_priv,struct snd_kcontrol ** ctls,struct hda_codec * codec,const struct snd_kcontrol_new * tas_snd_ctrls,int num_ctls)403 static void tasdev_add_kcontrols(struct tasdevice_priv *tas_priv,
404 struct snd_kcontrol **ctls, struct hda_codec *codec,
405 const struct snd_kcontrol_new *tas_snd_ctrls, int num_ctls)
406 {
407 int i, ret;
408
409 for (i = 0; i < num_ctls; i++) {
410 ctls[i] = snd_ctl_new1(
411 &tas_snd_ctrls[i], tas_priv);
412 ret = snd_ctl_add(codec->card, ctls[i]);
413 if (ret) {
414 dev_err(tas_priv->dev,
415 "Failed to add KControl %s = %d\n",
416 tas_snd_ctrls[i].name, ret);
417 break;
418 }
419 }
420 }
421
tasdevice_dspfw_init(void * context)422 static void tasdevice_dspfw_init(void *context)
423 {
424 struct tasdevice_priv *tas_priv = context;
425 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
426 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
427 struct hda_codec *codec = tas_priv->codec;
428 int ret, spk_id;
429
430 tasdevice_dsp_remove(tas_priv);
431 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
432 if (tas_priv->speaker_id != NULL) {
433 // Speaker id need to be checked for ASUS only.
434 spk_id = gpiod_get_value(tas_priv->speaker_id);
435 if (spk_id < 0) {
436 // Speaker id is not valid, use default.
437 dev_dbg(tas_priv->dev, "Wrong spk_id = %d\n", spk_id);
438 spk_id = 0;
439 }
440 snprintf(tas_priv->coef_binaryname,
441 sizeof(tas_priv->coef_binaryname),
442 "TAS2XXX%04X%d.bin",
443 lower_16_bits(codec->core.subsystem_id),
444 spk_id);
445 } else {
446 snprintf(tas_priv->coef_binaryname,
447 sizeof(tas_priv->coef_binaryname),
448 "TAS2XXX%04X.bin",
449 lower_16_bits(codec->core.subsystem_id));
450 }
451 ret = tasdevice_dsp_parser(tas_priv);
452 if (ret) {
453 dev_err(tas_priv->dev, "dspfw load %s error\n",
454 tas_priv->coef_binaryname);
455 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
456 return;
457 }
458 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_prog_ctl, codec,
459 &tasdevice_dsp_prog_ctrl, 1);
460 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_conf_ctl, codec,
461 &tasdevice_dsp_conf_ctrl, 1);
462
463 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
464 tasdevice_prmg_load(tas_priv, 0);
465 if (tas_priv->fmw->nr_programs > 0)
466 tas_priv->cur_prog = 0;
467 if (tas_priv->fmw->nr_configurations > 0)
468 tas_priv->cur_conf = 0;
469
470 /* If calibrated data occurs error, dsp will still works with default
471 * calibrated data inside algo.
472 */
473 hda_priv->save_calibration(tas_hda);
474 }
475
tasdev_fw_ready(const struct firmware * fmw,void * context)476 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
477 {
478 struct tasdevice_priv *tas_priv = context;
479 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
480 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
481 struct hda_codec *codec = tas_priv->codec;
482 int ret;
483
484 pm_runtime_get_sync(tas_priv->dev);
485 mutex_lock(&tas_priv->codec_lock);
486
487 ret = tasdevice_rca_parser(tas_priv, fmw);
488 if (ret)
489 goto out;
490
491 tas_priv->fw_state = TASDEVICE_RCA_FW_OK;
492 tasdev_add_kcontrols(tas_priv, &tas_hda->prof_ctl, codec,
493 &tasdevice_prof_ctrl, 1);
494
495 switch (hda_priv->hda_chip_id) {
496 case HDA_TAS2770:
497 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
498 &tas2770_snd_controls[0],
499 ARRAY_SIZE(tas2770_snd_controls));
500 break;
501 case HDA_TAS2781:
502 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
503 &tas2781_snd_controls[0],
504 ARRAY_SIZE(tas2781_snd_controls));
505 tasdevice_dspfw_init(context);
506 break;
507 case HDA_TAS2563:
508 tasdevice_dspfw_init(context);
509 break;
510 default:
511 break;
512 }
513
514 out:
515 mutex_unlock(&tas_hda->priv->codec_lock);
516 release_firmware(fmw);
517 pm_runtime_put_autosuspend(tas_hda->dev);
518 }
519
tas2781_hda_bind(struct device * dev,struct device * master,void * master_data)520 static int tas2781_hda_bind(struct device *dev, struct device *master,
521 void *master_data)
522 {
523 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
524 struct hda_component_parent *parent = master_data;
525 struct hda_component *comp;
526 struct hda_codec *codec;
527 unsigned int subid;
528 int ret;
529
530 comp = hda_component_from_index(parent, tas_hda->priv->index);
531 if (!comp)
532 return -EINVAL;
533
534 if (comp->dev)
535 return -EBUSY;
536
537 codec = parent->codec;
538 subid = codec->core.subsystem_id >> 16;
539
540 switch (subid) {
541 case 0x1028:
542 tas_hda->catlog_id = DELL;
543 break;
544 default:
545 tas_hda->catlog_id = LENOVO;
546 break;
547 }
548
549 pm_runtime_get_sync(dev);
550
551 comp->dev = dev;
552
553 strscpy(comp->name, dev_name(dev), sizeof(comp->name));
554
555 ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready);
556 if (!ret)
557 comp->playback_hook = tas2781_hda_playback_hook;
558
559 pm_runtime_put_autosuspend(dev);
560
561 return ret;
562 }
563
tas2781_hda_unbind(struct device * dev,struct device * master,void * master_data)564 static void tas2781_hda_unbind(struct device *dev,
565 struct device *master, void *master_data)
566 {
567 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
568 struct hda_component_parent *parent = master_data;
569 struct hda_component *comp;
570
571 comp = hda_component_from_index(parent, tas_hda->priv->index);
572 if (comp && (comp->dev == dev)) {
573 comp->dev = NULL;
574 memset(comp->name, 0, sizeof(comp->name));
575 comp->playback_hook = NULL;
576 }
577
578 tas2781_hda_remove_controls(tas_hda);
579
580 tasdevice_config_info_remove(tas_hda->priv);
581 tasdevice_dsp_remove(tas_hda->priv);
582
583 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
584 }
585
586 static const struct component_ops tas2781_hda_comp_ops = {
587 .bind = tas2781_hda_bind,
588 .unbind = tas2781_hda_unbind,
589 };
590
tas2781_hda_i2c_probe(struct i2c_client * clt)591 static int tas2781_hda_i2c_probe(struct i2c_client *clt)
592 {
593 struct tas2781_hda_i2c_priv *hda_priv;
594 struct tas2781_hda *tas_hda;
595 const char *device_name;
596 int ret;
597
598 tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
599 if (!tas_hda)
600 return -ENOMEM;
601
602 hda_priv = devm_kzalloc(&clt->dev, sizeof(*hda_priv), GFP_KERNEL);
603 if (!hda_priv)
604 return -ENOMEM;
605
606 tas_hda->hda_priv = hda_priv;
607
608 dev_set_drvdata(&clt->dev, tas_hda);
609 tas_hda->dev = &clt->dev;
610
611 tas_hda->priv = tasdevice_kzalloc(clt);
612 if (!tas_hda->priv)
613 return -ENOMEM;
614
615 if (strstr(dev_name(&clt->dev), "TIAS2781")) {
616 /*
617 * TAS2781, integrated on-chip DSP with
618 * global I2C address supported.
619 */
620 device_name = "TIAS2781";
621 hda_priv->hda_chip_id = HDA_TAS2781;
622 hda_priv->save_calibration = tas2781_save_calibration;
623 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
624 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW2770")) {
625 /*
626 * TAS2770, has no on-chip DSP, so no calibration data
627 * required; has no global I2C address supported.
628 */
629 device_name = "TXNW2770";
630 hda_priv->hda_chip_id = HDA_TAS2770;
631 } else if (strstarts(dev_name(&clt->dev),
632 "i2c-TXNW2781:00-tas2781-hda.0")) {
633 device_name = "TXNW2781";
634 hda_priv->save_calibration = tas2781_save_calibration;
635 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
636 } else if (strstr(dev_name(&clt->dev), "INT8866")) {
637 /*
638 * TAS2563, integrated on-chip DSP with
639 * global I2C address supported.
640 */
641 device_name = "INT8866";
642 hda_priv->hda_chip_id = HDA_TAS2563;
643 hda_priv->save_calibration = tas2563_save_calibration;
644 tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR;
645 } else {
646 return -ENODEV;
647 }
648
649 tas_hda->priv->irq = clt->irq;
650 ret = tas2781_read_acpi(tas_hda->priv, device_name);
651 if (ret)
652 return dev_err_probe(tas_hda->dev, ret,
653 "Platform not supported\n");
654
655 ret = tasdevice_init(tas_hda->priv);
656 if (ret)
657 goto err;
658
659 pm_runtime_set_autosuspend_delay(tas_hda->dev, 3000);
660 pm_runtime_use_autosuspend(tas_hda->dev);
661 pm_runtime_mark_last_busy(tas_hda->dev);
662 pm_runtime_set_active(tas_hda->dev);
663 pm_runtime_enable(tas_hda->dev);
664
665 tasdevice_reset(tas_hda->priv);
666
667 ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops);
668 if (ret) {
669 dev_err(tas_hda->dev, "Register component failed: %d\n", ret);
670 pm_runtime_disable(tas_hda->dev);
671 }
672
673 err:
674 if (ret)
675 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
676 return ret;
677 }
678
tas2781_hda_i2c_remove(struct i2c_client * clt)679 static void tas2781_hda_i2c_remove(struct i2c_client *clt)
680 {
681 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
682 }
683
tas2781_runtime_suspend(struct device * dev)684 static int tas2781_runtime_suspend(struct device *dev)
685 {
686 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
687
688 dev_dbg(tas_hda->dev, "Runtime Suspend\n");
689
690 mutex_lock(&tas_hda->priv->codec_lock);
691
692 /* The driver powers up the amplifiers at module load time.
693 * Stop the playback if it's unused.
694 */
695 if (tas_hda->priv->playback_started) {
696 tasdevice_tuning_switch(tas_hda->priv, 1);
697 tas_hda->priv->playback_started = false;
698 }
699
700 mutex_unlock(&tas_hda->priv->codec_lock);
701
702 return 0;
703 }
704
tas2781_runtime_resume(struct device * dev)705 static int tas2781_runtime_resume(struct device *dev)
706 {
707 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
708
709 dev_dbg(tas_hda->dev, "Runtime Resume\n");
710
711 mutex_lock(&tas_hda->priv->codec_lock);
712
713 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
714
715 mutex_unlock(&tas_hda->priv->codec_lock);
716
717 return 0;
718 }
719
tas2781_system_suspend(struct device * dev)720 static int tas2781_system_suspend(struct device *dev)
721 {
722 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
723
724 dev_dbg(tas_hda->priv->dev, "System Suspend\n");
725
726 mutex_lock(&tas_hda->priv->codec_lock);
727
728 /* Shutdown chip before system suspend */
729 if (tas_hda->priv->playback_started)
730 tasdevice_tuning_switch(tas_hda->priv, 1);
731
732 mutex_unlock(&tas_hda->priv->codec_lock);
733
734 /*
735 * Reset GPIO may be shared, so cannot reset here.
736 * However beyond this point, amps may be powered down.
737 */
738 return 0;
739 }
740
tas2781_system_resume(struct device * dev)741 static int tas2781_system_resume(struct device *dev)
742 {
743 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
744 int i;
745
746 dev_dbg(tas_hda->priv->dev, "System Resume\n");
747
748 mutex_lock(&tas_hda->priv->codec_lock);
749
750 for (i = 0; i < tas_hda->priv->ndev; i++) {
751 tas_hda->priv->tasdevice[i].cur_book = -1;
752 tas_hda->priv->tasdevice[i].cur_prog = -1;
753 tas_hda->priv->tasdevice[i].cur_conf = -1;
754 }
755 tasdevice_reset(tas_hda->priv);
756 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
757
758 if (tas_hda->priv->playback_started)
759 tasdevice_tuning_switch(tas_hda->priv, 0);
760
761 mutex_unlock(&tas_hda->priv->codec_lock);
762
763 return 0;
764 }
765
766 static const struct dev_pm_ops tas2781_hda_pm_ops = {
767 RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
768 SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
769 };
770
771 static const struct i2c_device_id tas2781_hda_i2c_id[] = {
772 { "tas2781-hda" },
773 {}
774 };
775
776 static const struct acpi_device_id tas2781_acpi_hda_match[] = {
777 {"INT8866", 0 },
778 {"TIAS2781", 0 },
779 {"TXNW2770", 0 },
780 {"TXNW2781", 0 },
781 {}
782 };
783 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
784
785 static struct i2c_driver tas2781_hda_i2c_driver = {
786 .driver = {
787 .name = "tas2781-hda",
788 .acpi_match_table = tas2781_acpi_hda_match,
789 .pm = &tas2781_hda_pm_ops,
790 },
791 .id_table = tas2781_hda_i2c_id,
792 .probe = tas2781_hda_i2c_probe,
793 .remove = tas2781_hda_i2c_remove,
794 };
795 module_i2c_driver(tas2781_hda_i2c_driver);
796
797 MODULE_DESCRIPTION("TAS2781 HDA Driver");
798 MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
799 MODULE_LICENSE("GPL");
800 MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB");
801 MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781");
802