1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // TAS2781 HDA I2C driver
4 //
5 // Copyright 2023 - 2026 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 #include <sound/tas5825-tlv.h>
30
31 #include "hda_local.h"
32 #include "hda_auto_parser.h"
33 #include "hda_component.h"
34 #include "hda_jack.h"
35 #include "../generic.h"
36 #include "tas2781_hda.h"
37
38 #define TAS2563_CAL_VAR_NAME_MAX 16
39 #define TAS2563_CAL_ARRAY_SIZE 80
40 #define TAS2563_CAL_DATA_SIZE 4
41 #define TAS2563_MAX_CHANNELS 4
42 #define TAS2563_CAL_CH_SIZE 20
43
44 #define TAS2563_CAL_R0_LOW TASDEVICE_REG(0, 0x0f, 0x48)
45 #define TAS2563_CAL_POWER TASDEVICE_REG(0, 0x0d, 0x3c)
46 #define TAS2563_CAL_INVR0 TASDEVICE_REG(0, 0x0f, 0x40)
47 #define TAS2563_CAL_TLIM TASDEVICE_REG(0, 0x10, 0x14)
48 #define TAS2563_CAL_R0 TASDEVICE_REG(0, 0x0f, 0x34)
49
50 enum device_chip_id {
51 HDA_TAS2563,
52 HDA_TAS2770,
53 HDA_TAS2781,
54 HDA_TAS5825,
55 HDA_OTHERS
56 };
57
58 struct tas2781_hda_i2c_priv {
59 struct snd_kcontrol *snd_ctls[2];
60 int (*save_calibration)(struct tas2781_hda *h);
61
62 int hda_chip_id;
63 bool skip_calibration;
64 };
65
tas2781_get_i2c_res(struct acpi_resource * ares,void * data)66 static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
67 {
68 struct tasdevice_priv *tas_priv = data;
69 struct acpi_resource_i2c_serialbus *sb;
70
71 if (i2c_acpi_get_i2c_resource(ares, &sb)) {
72 if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
73 sb->slave_address != tas_priv->global_addr) {
74 tas_priv->tasdevice[tas_priv->ndev].dev_addr =
75 (unsigned int)sb->slave_address;
76 tas_priv->ndev++;
77 }
78 }
79 return 1;
80 }
81
82 static const struct acpi_gpio_params speakerid_gpios = { 0, 0, false };
83
84 static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = {
85 { "speakerid-gpios", &speakerid_gpios, 1 },
86 { }
87 };
88
tas2781_read_acpi(struct tasdevice_priv * p,const char * hid)89 static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
90 {
91 struct gpio_desc *speaker_id;
92 struct acpi_device *adev;
93 struct device *physdev;
94 LIST_HEAD(resources);
95 const char *sub;
96 uint32_t subid;
97 int ret;
98
99 adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
100 if (!adev) {
101 dev_err(p->dev,
102 "Failed to find an ACPI device for %s\n", hid);
103 return -ENODEV;
104 }
105
106 physdev = get_device(acpi_get_first_physical_node(adev));
107 ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p);
108 if (ret < 0) {
109 dev_err(p->dev, "Failed to get ACPI resource.\n");
110 goto err;
111 }
112 sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
113 if (IS_ERR(sub)) {
114 /* No subsys id in older tas2563 projects. */
115 if (!strncmp(hid, "INT8866", sizeof("INT8866"))) {
116 p->speaker_id = -1;
117 goto end_2563;
118 }
119 dev_err(p->dev, "Failed to get SUBSYS ID.\n");
120 ret = PTR_ERR(sub);
121 goto err;
122 }
123 /* Speaker id was needed for ASUS projects. */
124 ret = kstrtou32(sub, 16, &subid);
125 if (!ret && upper_16_bits(subid) == PCI_VENDOR_ID_ASUSTEK) {
126 ret = acpi_dev_add_driver_gpios(adev, tas2781_speaker_id_gpios);
127 if (ret < 0) {
128 dev_err(p->dev, "Failed to add driver gpio %d.\n",
129 ret);
130 p->speaker_id = -1;
131 goto end_2563;
132 }
133
134 speaker_id = fwnode_gpiod_get_index(acpi_fwnode_handle(adev),
135 "speakerid", 0, GPIOD_IN, NULL);
136 if (!IS_ERR(speaker_id)) {
137 p->speaker_id = gpiod_get_value_cansleep(speaker_id);
138 dev_dbg(p->dev, "Got speaker id gpio from ACPI: %d.\n",
139 p->speaker_id);
140 gpiod_put(speaker_id);
141 } else {
142 p->speaker_id = -1;
143 ret = PTR_ERR(speaker_id);
144 dev_err(p->dev, "Get speaker id gpio failed %d.\n",
145 ret);
146 }
147
148 acpi_dev_remove_driver_gpios(adev);
149 } else {
150 p->speaker_id = -1;
151 }
152
153 end_2563:
154 acpi_dev_free_resource_list(&resources);
155 strscpy(p->dev_name, hid, sizeof(p->dev_name));
156 put_device(physdev);
157 acpi_dev_put(adev);
158
159 return 0;
160
161 err:
162 dev_err(p->dev, "read acpi error, ret: %d\n", ret);
163 put_device(physdev);
164 acpi_dev_put(adev);
165
166 return ret;
167 }
168
tas2781_hda_playback_hook(struct device * dev,int action)169 static void tas2781_hda_playback_hook(struct device *dev, int action)
170 {
171 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
172
173 dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action);
174 switch (action) {
175 case HDA_GEN_PCM_ACT_OPEN:
176 pm_runtime_get_sync(dev);
177 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
178 tasdevice_tuning_switch(tas_hda->priv, 0);
179 tas_hda->priv->playback_started = true;
180 }
181 break;
182 case HDA_GEN_PCM_ACT_CLOSE:
183 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
184 tasdevice_tuning_switch(tas_hda->priv, 1);
185 tas_hda->priv->playback_started = false;
186 }
187
188 pm_runtime_put_autosuspend(dev);
189 break;
190 default:
191 break;
192 }
193 }
194
tas2781_amp_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)195 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
196 struct snd_ctl_elem_value *ucontrol)
197 {
198 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
199 struct soc_mixer_control *mc =
200 (struct soc_mixer_control *)kcontrol->private_value;
201 int ret;
202
203 guard(mutex)(&tas_priv->codec_lock);
204
205 ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
206
207 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
208 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
209
210 return ret;
211 }
212
tas2781_amp_putvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)213 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
214 struct snd_ctl_elem_value *ucontrol)
215 {
216 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
217 struct soc_mixer_control *mc =
218 (struct soc_mixer_control *)kcontrol->private_value;
219
220 guard(mutex)(&tas_priv->codec_lock);
221
222 dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
223 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
224
225 /* The check of the given value is in tasdevice_amp_putvol. */
226 return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
227 }
228
tas2781_force_fwload_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)229 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
230 struct snd_ctl_elem_value *ucontrol)
231 {
232 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
233
234 guard(mutex)(&tas_priv->codec_lock);
235
236 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
237 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
238 __func__, kcontrol->id.name, tas_priv->force_fwload_status);
239
240 return 0;
241 }
242
tas2781_force_fwload_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)243 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
244 struct snd_ctl_elem_value *ucontrol)
245 {
246 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
247 bool change, val = (bool)ucontrol->value.integer.value[0];
248
249 guard(mutex)(&tas_priv->codec_lock);
250
251 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
252 __func__, kcontrol->id.name,
253 tas_priv->force_fwload_status, val);
254
255 if (tas_priv->force_fwload_status == val)
256 change = false;
257 else {
258 change = true;
259 tas_priv->force_fwload_status = val;
260 }
261
262 return change;
263 }
264
265 static const struct snd_kcontrol_new tas2770_snd_controls[] = {
266 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2770_AMP_LEVEL,
267 0, 0, 20, 0, tas2781_amp_getvol,
268 tas2781_amp_putvol, tas2770_amp_tlv),
269 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS2770_DVC_LEVEL,
270 0, 0, 200, 1, tas2781_amp_getvol,
271 tas2781_amp_putvol, tas2770_dvc_tlv),
272 };
273
274 static const struct snd_kcontrol_new tas2781_snd_controls[] = {
275 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2781_AMP_LEVEL,
276 1, 0, 20, 0, tas2781_amp_getvol,
277 tas2781_amp_putvol, tas2781_amp_tlv),
278 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
279 tas2781_force_fwload_get, tas2781_force_fwload_put),
280 };
281
282 static const struct snd_kcontrol_new tas5825_snd_controls[] = {
283 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS5825_AMP_LEVEL,
284 0, 0, 31, 1, tas2781_amp_getvol,
285 tas2781_amp_putvol, tas5825_amp_tlv),
286 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS5825_DVC_LEVEL,
287 0, 0, 254, 1, tas2781_amp_getvol,
288 tas2781_amp_putvol, tas5825_dvc_tlv),
289 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
290 tas2781_force_fwload_get, tas2781_force_fwload_put),
291 };
292
293 static const struct snd_kcontrol_new tasdevice_prof_ctrl = {
294 .name = "Speaker Profile Id",
295 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
296 .info = tasdevice_info_profile,
297 .get = tasdevice_get_profile_id,
298 .put = tasdevice_set_profile_id,
299 };
300
301 static const struct snd_kcontrol_new tasdevice_dsp_prog_ctrl = {
302 .name = "Speaker Program Id",
303 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
304 .info = tasdevice_info_programs,
305 .get = tasdevice_program_get,
306 .put = tasdevice_program_put,
307 };
308
309 static const struct snd_kcontrol_new tasdevice_dsp_conf_ctrl = {
310 .name = "Speaker Config Id",
311 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
312 .info = tasdevice_info_config,
313 .get = tasdevice_config_get,
314 .put = tasdevice_config_put,
315 };
316
tas2563_save_calibration(struct tas2781_hda * h)317 static int tas2563_save_calibration(struct tas2781_hda *h)
318 {
319 efi_guid_t efi_guid = tasdev_fct_efi_guid[LENOVO];
320 char *vars[TASDEV_CALIB_N] = {
321 "R0_%d", "R0_Low_%d", "InvR0_%d", "Power_%d", "TLim_%d"
322 };
323 efi_char16_t efi_name[TAS2563_CAL_VAR_NAME_MAX];
324 unsigned long max_size = TAS2563_CAL_DATA_SIZE;
325 unsigned char var8[TAS2563_CAL_VAR_NAME_MAX];
326 struct tasdevice_priv *p = h->priv;
327 struct calidata *cd = &p->cali_data;
328 struct cali_reg *r = &cd->cali_reg_array;
329 unsigned int offset = 0;
330 unsigned char *data;
331 __be32 bedata;
332 efi_status_t status;
333 unsigned int attr;
334 int ret, i, j, k;
335
336 if (!efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE)) {
337 dev_err(p->dev, "%s: NO EFI FOUND!\n", __func__);
338 return -EINVAL;
339 }
340
341 cd->cali_dat_sz_per_dev = TAS2563_CAL_DATA_SIZE * TASDEV_CALIB_N;
342
343 /* extra byte for each device is the device number */
344 cd->total_sz = (cd->cali_dat_sz_per_dev + 1) * p->ndev;
345 data = cd->data = devm_kzalloc(p->dev, cd->total_sz,
346 GFP_KERNEL);
347 if (!data)
348 return -ENOMEM;
349
350 for (i = 0; i < p->ndev; ++i) {
351 data[offset] = i;
352 offset++;
353 for (j = 0; j < TASDEV_CALIB_N; ++j) {
354 /* EFI name for calibration started with 1, not 0 */
355 ret = snprintf(var8, sizeof(var8), vars[j], i + 1);
356 if (ret < 0 || ret >= sizeof(var8) - 1) {
357 dev_err(p->dev, "%s: Read %s failed\n",
358 __func__, var8);
359 return -EINVAL;
360 }
361 /*
362 * Our variable names are ASCII by construction, but
363 * EFI names are wide chars. Convert and zero-pad.
364 */
365 memset(efi_name, 0, sizeof(efi_name));
366 for (k = 0; k < sizeof(var8) && var8[k]; k++)
367 efi_name[k] = var8[k];
368 status = efi.get_variable(efi_name,
369 &efi_guid, &attr, &max_size,
370 &data[offset]);
371 if (status != EFI_SUCCESS ||
372 max_size != TAS2563_CAL_DATA_SIZE) {
373 dev_warn(p->dev,
374 "Dev %d: Caldat[%d] read failed %ld\n",
375 i, j, status);
376 return -EINVAL;
377 }
378 bedata = cpu_to_be32(*(uint32_t *)&data[offset]);
379 memcpy(&data[offset], &bedata, sizeof(bedata));
380 offset += TAS2563_CAL_DATA_SIZE;
381 }
382 }
383
384 if (cd->total_sz != offset) {
385 dev_err(p->dev, "%s: tot_size(%lu) and offset(%u) mismatch\n",
386 __func__, cd->total_sz, offset);
387 return -EINVAL;
388 }
389
390 r->r0_reg = TAS2563_CAL_R0;
391 r->invr0_reg = TAS2563_CAL_INVR0;
392 r->r0_low_reg = TAS2563_CAL_R0_LOW;
393 r->pow_reg = TAS2563_CAL_POWER;
394 r->tlimit_reg = TAS2563_CAL_TLIM;
395
396 return 0;
397 }
398
tas2781_hda_remove_controls(struct tas2781_hda * tas_hda)399 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
400 {
401 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
402 struct hda_codec *codec = tas_hda->priv->codec;
403
404 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
405 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
406
407 for (int i = ARRAY_SIZE(hda_priv->snd_ctls) - 1; i >= 0; i--)
408 snd_ctl_remove(codec->card, hda_priv->snd_ctls[i]);
409
410 snd_ctl_remove(codec->card, tas_hda->prof_ctl);
411 }
412
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)413 static void tasdev_add_kcontrols(struct tasdevice_priv *tas_priv,
414 struct snd_kcontrol **ctls, struct hda_codec *codec,
415 const struct snd_kcontrol_new *tas_snd_ctrls, int num_ctls)
416 {
417 int i, ret;
418
419 for (i = 0; i < num_ctls; i++) {
420 ctls[i] = snd_ctl_new1(
421 &tas_snd_ctrls[i], tas_priv);
422 ret = snd_ctl_add(codec->card, ctls[i]);
423 if (ret) {
424 dev_err(tas_priv->dev,
425 "Failed to add KControl %s = %d\n",
426 tas_snd_ctrls[i].name, ret);
427 break;
428 }
429 }
430 }
431
tasdevice_dspfw_init(void * context)432 static void tasdevice_dspfw_init(void *context)
433 {
434 struct tasdevice_priv *tas_priv = context;
435 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
436 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
437 struct hda_codec *codec = tas_priv->codec;
438 int ret;
439
440 tasdevice_dsp_remove(tas_priv);
441 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
442 if (tas_priv->speaker_id >= 0) {
443 snprintf(tas_priv->coef_binaryname,
444 sizeof(tas_priv->coef_binaryname),
445 "TAS2XXX%04X%d.bin",
446 lower_16_bits(codec->core.subsystem_id),
447 tas_priv->speaker_id);
448 } else {
449 snprintf(tas_priv->coef_binaryname,
450 sizeof(tas_priv->coef_binaryname),
451 "TAS2XXX%04X.bin",
452 lower_16_bits(codec->core.subsystem_id));
453 }
454 ret = tasdevice_dsp_parser(tas_priv);
455 if (ret) {
456 dev_err(tas_priv->dev, "dspfw load %s error\n",
457 tas_priv->coef_binaryname);
458 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
459 return;
460 }
461 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_prog_ctl, codec,
462 &tasdevice_dsp_prog_ctrl, 1);
463 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_conf_ctl, codec,
464 &tasdevice_dsp_conf_ctrl, 1);
465
466 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
467 tasdevice_prmg_load(tas_priv, 0);
468 if (tas_priv->fmw->nr_programs > 0)
469 tas_priv->cur_prog = 0;
470 if (tas_priv->fmw->nr_configurations > 0)
471 tas_priv->cur_conf = 0;
472
473 /* Init common setting for different audio profiles */
474 if (tas_priv->rcabin.init_profile_id >= 0)
475 tasdevice_select_cfg_blk(tas_priv,
476 tas_priv->rcabin.init_profile_id,
477 TASDEVICE_BIN_BLK_PRE_POWER_UP);
478
479 /* If calibrated data occurs error, dsp will still works with default
480 * calibrated data inside algo.
481 */
482 if (!hda_priv->skip_calibration)
483 hda_priv->save_calibration(tas_hda);
484 }
485
tasdev_fw_ready(const struct firmware * fmw,void * context)486 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
487 {
488 struct tasdevice_priv *tas_priv = context;
489 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
490 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
491 struct hda_codec *codec = tas_priv->codec;
492 int ret;
493
494 guard(pm_runtime_active_auto)(tas_priv->dev);
495 guard(mutex)(&tas_priv->codec_lock);
496
497 ret = tasdevice_rca_parser(tas_priv, fmw);
498 if (ret)
499 goto out;
500
501 tas_priv->fw_state = TASDEVICE_RCA_FW_OK;
502 tasdev_add_kcontrols(tas_priv, &tas_hda->prof_ctl, codec,
503 &tasdevice_prof_ctrl, 1);
504
505 switch (hda_priv->hda_chip_id) {
506 case HDA_TAS2770:
507 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
508 &tas2770_snd_controls[0],
509 ARRAY_SIZE(tas2770_snd_controls));
510 break;
511 case HDA_TAS2781:
512 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
513 &tas2781_snd_controls[0],
514 ARRAY_SIZE(tas2781_snd_controls));
515 tasdevice_dspfw_init(context);
516 break;
517 case HDA_TAS5825:
518 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
519 &tas5825_snd_controls[0],
520 ARRAY_SIZE(tas5825_snd_controls));
521 tasdevice_dspfw_init(context);
522 break;
523 case HDA_TAS2563:
524 tasdevice_dspfw_init(context);
525 break;
526 default:
527 break;
528 }
529
530 out:
531 release_firmware(fmw);
532 }
533
tas2781_hda_bind(struct device * dev,struct device * master,void * master_data)534 static int tas2781_hda_bind(struct device *dev, struct device *master,
535 void *master_data)
536 {
537 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
538 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
539 struct hda_component_parent *parent = master_data;
540 struct hda_component *comp;
541 struct hda_codec *codec;
542 unsigned int subid;
543 int ret;
544
545 comp = hda_component_from_index(parent, tas_hda->priv->index);
546 if (!comp)
547 return -EINVAL;
548
549 if (comp->dev)
550 return -EBUSY;
551
552 codec = parent->codec;
553 subid = codec->core.subsystem_id >> 16;
554
555 switch (subid) {
556 case 0x1028:
557 tas_hda->catlog_id = DELL;
558 break;
559 case 0x103C:
560 tas_hda->catlog_id = HP;
561 break;
562 default:
563 tas_hda->catlog_id = LENOVO;
564 break;
565 }
566
567 /*
568 * Using ASUS ROG Xbox Ally X (RC73XA) UEFI calibration data
569 * causes audio dropouts during playback, use fallback data
570 * from DSP firmware as a workaround.
571 */
572 if (codec->core.subsystem_id == 0x10431384)
573 hda_priv->skip_calibration = true;
574
575 guard(pm_runtime_active_auto)(dev);
576
577 comp->dev = dev;
578
579 strscpy(comp->name, dev_name(dev), sizeof(comp->name));
580
581 ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready);
582 if (!ret)
583 comp->playback_hook = tas2781_hda_playback_hook;
584
585 return ret;
586 }
587
tas2781_hda_unbind(struct device * dev,struct device * master,void * master_data)588 static void tas2781_hda_unbind(struct device *dev,
589 struct device *master, void *master_data)
590 {
591 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
592 struct hda_component_parent *parent = master_data;
593 struct hda_component *comp;
594
595 comp = hda_component_from_index(parent, tas_hda->priv->index);
596 if (comp && (comp->dev == dev)) {
597 comp->dev = NULL;
598 memset(comp->name, 0, sizeof(comp->name));
599 comp->playback_hook = NULL;
600 }
601
602 tas2781_hda_remove_controls(tas_hda);
603
604 tasdevice_config_info_remove(tas_hda->priv);
605 tasdevice_dsp_remove(tas_hda->priv);
606
607 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
608 }
609
610 static const struct component_ops tas2781_hda_comp_ops = {
611 .bind = tas2781_hda_bind,
612 .unbind = tas2781_hda_unbind,
613 };
614
tas2781_hda_i2c_probe(struct i2c_client * clt)615 static int tas2781_hda_i2c_probe(struct i2c_client *clt)
616 {
617 struct tas2781_hda_i2c_priv *hda_priv;
618 struct tas2781_hda *tas_hda;
619 const char *device_name;
620 int ret;
621
622 tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
623 if (!tas_hda)
624 return -ENOMEM;
625
626 hda_priv = devm_kzalloc(&clt->dev, sizeof(*hda_priv), GFP_KERNEL);
627 if (!hda_priv)
628 return -ENOMEM;
629
630 tas_hda->hda_priv = hda_priv;
631
632 dev_set_drvdata(&clt->dev, tas_hda);
633 tas_hda->dev = &clt->dev;
634
635 tas_hda->priv = tasdevice_kzalloc(clt);
636 if (!tas_hda->priv)
637 return -ENOMEM;
638
639 if (strstr(dev_name(&clt->dev), "TIAS2781")) {
640 /*
641 * TAS2781, integrated on-chip DSP with
642 * global I2C address supported.
643 */
644 device_name = "TIAS2781";
645 hda_priv->hda_chip_id = HDA_TAS2781;
646 hda_priv->save_calibration = tas2781_save_calibration;
647 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
648 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW2770")) {
649 /*
650 * TAS2770, has no on-chip DSP, so no calibration data
651 * required; has no global I2C address supported.
652 */
653 device_name = "TXNW2770";
654 hda_priv->hda_chip_id = HDA_TAS2770;
655 } else if (strstarts(dev_name(&clt->dev),
656 "i2c-TXNW2781:00-tas2781-hda.0")) {
657 device_name = "TXNW2781";
658 hda_priv->hda_chip_id = HDA_TAS2781;
659 hda_priv->save_calibration = tas2781_save_calibration;
660 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
661 } else if (strstr(dev_name(&clt->dev), "INT8866")) {
662 /*
663 * TAS2563, integrated on-chip DSP with
664 * global I2C address supported.
665 */
666 device_name = "INT8866";
667 hda_priv->hda_chip_id = HDA_TAS2563;
668 hda_priv->save_calibration = tas2563_save_calibration;
669 tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR;
670 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW5825")) {
671 /*
672 * TAS5825, integrated on-chip DSP without
673 * global I2C address and calibration supported.
674 */
675 device_name = "TXNW5825";
676 hda_priv->hda_chip_id = HDA_TAS5825;
677 tas_hda->priv->chip_id = TAS5825;
678 } else {
679 return -ENODEV;
680 }
681
682 tas_hda->priv->irq = clt->irq;
683 ret = tas2781_read_acpi(tas_hda->priv, device_name);
684 if (ret)
685 return dev_err_probe(tas_hda->dev, ret,
686 "Platform not supported\n");
687
688 ret = tasdevice_init(tas_hda->priv);
689 if (ret)
690 goto err;
691
692 pm_runtime_set_autosuspend_delay(tas_hda->dev, 3000);
693 pm_runtime_use_autosuspend(tas_hda->dev);
694 pm_runtime_mark_last_busy(tas_hda->dev);
695 pm_runtime_set_active(tas_hda->dev);
696 pm_runtime_enable(tas_hda->dev);
697
698 tasdevice_reset(tas_hda->priv);
699
700 ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops);
701 if (ret) {
702 dev_err(tas_hda->dev, "Register component failed: %d\n", ret);
703 pm_runtime_disable(tas_hda->dev);
704 }
705
706 err:
707 if (ret)
708 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
709 return ret;
710 }
711
tas2781_hda_i2c_remove(struct i2c_client * clt)712 static void tas2781_hda_i2c_remove(struct i2c_client *clt)
713 {
714 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
715 }
716
tas2781_runtime_suspend(struct device * dev)717 static int tas2781_runtime_suspend(struct device *dev)
718 {
719 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
720
721 dev_dbg(tas_hda->dev, "Runtime Suspend\n");
722
723 guard(mutex)(&tas_hda->priv->codec_lock);
724
725 /* The driver powers up the amplifiers at module load time.
726 * Stop the playback if it's unused.
727 */
728 if (tas_hda->priv->playback_started) {
729 tasdevice_tuning_switch(tas_hda->priv, 1);
730 tas_hda->priv->playback_started = false;
731 }
732
733 return 0;
734 }
735
tas2781_runtime_resume(struct device * dev)736 static int tas2781_runtime_resume(struct device *dev)
737 {
738 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
739
740 dev_dbg(tas_hda->dev, "Runtime Resume\n");
741
742 guard(mutex)(&tas_hda->priv->codec_lock);
743
744 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
745
746 return 0;
747 }
748
tas2781_system_suspend(struct device * dev)749 static int tas2781_system_suspend(struct device *dev)
750 {
751 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
752
753 dev_dbg(tas_hda->priv->dev, "System Suspend\n");
754
755 guard(mutex)(&tas_hda->priv->codec_lock);
756
757 /* Shutdown chip before system suspend */
758 if (tas_hda->priv->playback_started)
759 tasdevice_tuning_switch(tas_hda->priv, 1);
760
761 /*
762 * Reset GPIO may be shared, so cannot reset here.
763 * However beyond this point, amps may be powered down.
764 */
765 return 0;
766 }
767
tas2781_system_resume(struct device * dev)768 static int tas2781_system_resume(struct device *dev)
769 {
770 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
771 int i;
772
773 dev_dbg(tas_hda->priv->dev, "System Resume\n");
774
775 guard(mutex)(&tas_hda->priv->codec_lock);
776
777 for (i = 0; i < tas_hda->priv->ndev; i++) {
778 tas_hda->priv->tasdevice[i].cur_book = -1;
779 tas_hda->priv->tasdevice[i].cur_prog = -1;
780 tas_hda->priv->tasdevice[i].cur_conf = -1;
781 }
782 tasdevice_reset(tas_hda->priv);
783 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
784
785 /* Init common setting for different audio profiles */
786 if (tas_hda->priv->rcabin.init_profile_id >= 0)
787 tasdevice_select_cfg_blk(tas_hda->priv,
788 tas_hda->priv->rcabin.init_profile_id,
789 TASDEVICE_BIN_BLK_PRE_POWER_UP);
790
791 if (tas_hda->priv->playback_started)
792 tasdevice_tuning_switch(tas_hda->priv, 0);
793
794 return 0;
795 }
796
797 static const struct dev_pm_ops tas2781_hda_pm_ops = {
798 RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
799 SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
800 };
801
802 static const struct i2c_device_id tas2781_hda_i2c_id[] = {
803 { "tas2781-hda" },
804 {}
805 };
806
807 static const struct acpi_device_id tas2781_acpi_hda_match[] = {
808 {"INT8866", 0 },
809 {"TIAS2781", 0 },
810 {"TXNW2770", 0 },
811 {"TXNW2781", 0 },
812 {"TXNW5825", 0 },
813 {}
814 };
815 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
816
817 static struct i2c_driver tas2781_hda_i2c_driver = {
818 .driver = {
819 .name = "tas2781-hda",
820 .acpi_match_table = tas2781_acpi_hda_match,
821 .pm = &tas2781_hda_pm_ops,
822 },
823 .id_table = tas2781_hda_i2c_id,
824 .probe = tas2781_hda_i2c_probe,
825 .remove = tas2781_hda_i2c_remove,
826 };
827 module_i2c_driver(tas2781_hda_i2c_driver);
828
829 MODULE_DESCRIPTION("TAS2781 HDA Driver");
830 MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
831 MODULE_LICENSE("GPL");
832 MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB");
833 MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781");
834