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/module.h>
18 #include <linux/pci_ids.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/regmap.h>
21 #include <sound/hda_codec.h>
22 #include <sound/soc.h>
23 #include <sound/tas2781.h>
24 #include <sound/tas2781-comlib-i2c.h>
25 #include <sound/tlv.h>
26 #include <sound/tas2770-tlv.h>
27 #include <sound/tas2781-tlv.h>
28 #include <sound/tas5825-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_TAS5825,
54 HDA_OTHERS
55 };
56
57 struct tas2781_hda_i2c_priv {
58 struct snd_kcontrol *snd_ctls[2];
59 int (*save_calibration)(struct tas2781_hda *h);
60
61 int hda_chip_id;
62 };
63
tas2781_get_i2c_res(struct acpi_resource * ares,void * data)64 static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
65 {
66 struct tasdevice_priv *tas_priv = data;
67 struct acpi_resource_i2c_serialbus *sb;
68
69 if (i2c_acpi_get_i2c_resource(ares, &sb)) {
70 if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
71 sb->slave_address != tas_priv->global_addr) {
72 tas_priv->tasdevice[tas_priv->ndev].dev_addr =
73 (unsigned int)sb->slave_address;
74 tas_priv->ndev++;
75 }
76 }
77 return 1;
78 }
79
80 static const struct acpi_gpio_params speakerid_gpios = { 0, 0, false };
81
82 static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = {
83 { "speakerid-gpios", &speakerid_gpios, 1 },
84 { }
85 };
86
tas2781_read_acpi(struct tasdevice_priv * p,const char * hid)87 static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
88 {
89 struct gpio_desc *speaker_id;
90 struct acpi_device *adev;
91 LIST_HEAD(resources);
92 const char *sub;
93 uint32_t subid;
94 int ret;
95
96 adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
97 if (!adev) {
98 dev_err(p->dev,
99 "Failed to find an ACPI device for %s\n", hid);
100 return -ENODEV;
101 }
102
103 struct device *physdev __free(put_device) =
104 get_device(acpi_get_first_physical_node(adev));
105 ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p);
106 if (ret < 0) {
107 dev_err(p->dev, "Failed to get ACPI resource.\n");
108 goto err;
109 }
110 sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
111 if (IS_ERR(sub)) {
112 /* No subsys id in older tas2563 projects. */
113 if (!strncmp(hid, "INT8866", sizeof("INT8866"))) {
114 p->speaker_id = -1;
115 goto end_2563;
116 }
117 dev_err(p->dev, "Failed to get SUBSYS ID.\n");
118 ret = PTR_ERR(sub);
119 goto err;
120 }
121 /* Speaker id was needed for ASUS projects. */
122 ret = kstrtou32(sub, 16, &subid);
123 if (!ret && upper_16_bits(subid) == PCI_VENDOR_ID_ASUSTEK) {
124 ret = acpi_dev_add_driver_gpios(adev, tas2781_speaker_id_gpios);
125 if (ret < 0) {
126 dev_err(p->dev, "Failed to add driver gpio %d.\n",
127 ret);
128 p->speaker_id = -1;
129 goto end_2563;
130 }
131
132 speaker_id = fwnode_gpiod_get_index(acpi_fwnode_handle(adev),
133 "speakerid", 0, GPIOD_IN, NULL);
134 if (!IS_ERR(speaker_id)) {
135 p->speaker_id = gpiod_get_value_cansleep(speaker_id);
136 dev_dbg(p->dev, "Got speaker id gpio from ACPI: %d.\n",
137 p->speaker_id);
138 gpiod_put(speaker_id);
139 } else {
140 p->speaker_id = -1;
141 ret = PTR_ERR(speaker_id);
142 dev_err(p->dev, "Get speaker id gpio failed %d.\n",
143 ret);
144 }
145
146 acpi_dev_remove_driver_gpios(adev);
147 } else {
148 p->speaker_id = -1;
149 }
150
151 end_2563:
152 acpi_dev_free_resource_list(&resources);
153 strscpy(p->dev_name, hid, sizeof(p->dev_name));
154 acpi_dev_put(adev);
155
156 return 0;
157
158 err:
159 dev_err(p->dev, "read acpi error, ret: %d\n", ret);
160 acpi_dev_put(adev);
161
162 return ret;
163 }
164
tas2781_hda_playback_hook(struct device * dev,int action)165 static void tas2781_hda_playback_hook(struct device *dev, int action)
166 {
167 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
168
169 dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action);
170 switch (action) {
171 case HDA_GEN_PCM_ACT_OPEN:
172 pm_runtime_get_sync(dev);
173 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
174 tasdevice_tuning_switch(tas_hda->priv, 0, false);
175 tas_hda->priv->playback_started = true;
176 }
177 break;
178 case HDA_GEN_PCM_ACT_CLOSE:
179 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
180 tasdevice_tuning_switch(tas_hda->priv, 1, false);
181 tas_hda->priv->playback_started = false;
182 }
183
184 pm_runtime_put_autosuspend(dev);
185 break;
186 default:
187 break;
188 }
189 }
190
tas2781_amp_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)191 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
192 struct snd_ctl_elem_value *ucontrol)
193 {
194 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
195 struct soc_mixer_control *mc =
196 (struct soc_mixer_control *)kcontrol->private_value;
197 int ret;
198
199 guard(mutex)(&tas_priv->codec_lock);
200
201 ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
202
203 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
204 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
205
206 return ret;
207 }
208
tas2781_amp_putvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)209 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol,
210 struct snd_ctl_elem_value *ucontrol)
211 {
212 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
213 struct soc_mixer_control *mc =
214 (struct soc_mixer_control *)kcontrol->private_value;
215
216 guard(mutex)(&tas_priv->codec_lock);
217
218 dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
219 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
220
221 /* The check of the given value is in tasdevice_amp_putvol. */
222 return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
223 }
224
tas2781_force_fwload_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)225 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
226 struct snd_ctl_elem_value *ucontrol)
227 {
228 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
229
230 guard(mutex)(&tas_priv->codec_lock);
231
232 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
233 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
234 __func__, kcontrol->id.name, tas_priv->force_fwload_status);
235
236 return 0;
237 }
238
tas2781_force_fwload_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)239 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
240 struct snd_ctl_elem_value *ucontrol)
241 {
242 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
243 bool change, val = (bool)ucontrol->value.integer.value[0];
244
245 guard(mutex)(&tas_priv->codec_lock);
246
247 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
248 __func__, kcontrol->id.name,
249 tas_priv->force_fwload_status, val);
250
251 if (tas_priv->force_fwload_status == val)
252 change = false;
253 else {
254 change = true;
255 tas_priv->force_fwload_status = val;
256 }
257
258 return change;
259 }
260
261 static const struct snd_kcontrol_new tas2770_snd_controls[] = {
262 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2770_AMP_LEVEL,
263 0, 0, 20, 0, tas2781_amp_getvol,
264 tas2781_amp_putvol, tas2770_amp_tlv),
265 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS2770_DVC_LEVEL,
266 0, 0, 200, 1, tas2781_amp_getvol,
267 tas2781_amp_putvol, tas2770_dvc_tlv),
268 };
269
270 static const struct snd_kcontrol_new tas2781_snd_controls[] = {
271 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2781_AMP_LEVEL,
272 1, 0, 20, 0, tas2781_amp_getvol,
273 tas2781_amp_putvol, tas2781_amp_tlv),
274 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
275 tas2781_force_fwload_get, tas2781_force_fwload_put),
276 };
277
278 static const struct snd_kcontrol_new tas5825_snd_controls[] = {
279 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS5825_AMP_LEVEL,
280 0, 0, 31, 1, tas2781_amp_getvol,
281 tas2781_amp_putvol, tas5825_amp_tlv),
282 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS5825_DVC_LEVEL,
283 0, 0, 254, 1, tas2781_amp_getvol,
284 tas2781_amp_putvol, tas5825_dvc_tlv),
285 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
286 tas2781_force_fwload_get, tas2781_force_fwload_put),
287 };
288
289 static const struct snd_kcontrol_new tasdevice_prof_ctrl = {
290 .name = "Speaker Profile Id",
291 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
292 .info = tasdevice_info_profile,
293 .get = tasdevice_get_profile_id,
294 .put = tasdevice_set_profile_id,
295 };
296
297 static const struct snd_kcontrol_new tasdevice_dsp_prog_ctrl = {
298 .name = "Speaker Program Id",
299 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
300 .info = tasdevice_info_programs,
301 .get = tasdevice_program_get,
302 .put = tasdevice_program_put,
303 };
304
305 static const struct snd_kcontrol_new tasdevice_dsp_conf_ctrl = {
306 .name = "Speaker Config Id",
307 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
308 .info = tasdevice_info_config,
309 .get = tasdevice_config_get,
310 .put = tasdevice_config_put,
311 };
312
tas2563_save_calibration(struct tas2781_hda * h)313 static int tas2563_save_calibration(struct tas2781_hda *h)
314 {
315 efi_guid_t efi_guid = tasdev_fct_efi_guid[LENOVO];
316 char *vars[TASDEV_CALIB_N] = {
317 "R0_%d", "R0_Low_%d", "InvR0_%d", "Power_%d", "TLim_%d"
318 };
319 efi_char16_t efi_name[TAS2563_CAL_VAR_NAME_MAX];
320 unsigned long max_size = TAS2563_CAL_DATA_SIZE;
321 unsigned char var8[TAS2563_CAL_VAR_NAME_MAX];
322 struct tasdevice_priv *p = h->priv;
323 struct calidata *cd = &p->cali_data;
324 struct cali_reg *r = &cd->cali_reg_array;
325 unsigned int offset = 0;
326 unsigned char *data;
327 __be32 bedata;
328 efi_status_t status;
329 unsigned int attr;
330 int ret, i, j, k;
331
332 if (!efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE)) {
333 dev_err(p->dev, "%s: NO EFI FOUND!\n", __func__);
334 return -EINVAL;
335 }
336
337 cd->cali_dat_sz_per_dev = TAS2563_CAL_DATA_SIZE * TASDEV_CALIB_N;
338
339 /* extra byte for each device is the device number */
340 cd->total_sz = (cd->cali_dat_sz_per_dev + 1) * p->ndev;
341 data = cd->data = devm_kzalloc(p->dev, cd->total_sz,
342 GFP_KERNEL);
343 if (!data)
344 return -ENOMEM;
345
346 for (i = 0; i < p->ndev; ++i) {
347 data[offset] = i;
348 offset++;
349 for (j = 0; j < TASDEV_CALIB_N; ++j) {
350 /* EFI name for calibration started with 1, not 0 */
351 ret = snprintf(var8, sizeof(var8), vars[j], i + 1);
352 if (ret < 0 || ret >= sizeof(var8) - 1) {
353 dev_err(p->dev, "%s: Read %s failed\n",
354 __func__, var8);
355 cd->total_sz = 0;
356 return -EINVAL;
357 }
358 /*
359 * Our variable names are ASCII by construction, but
360 * EFI names are wide chars. Convert and zero-pad.
361 */
362 memset(efi_name, 0, sizeof(efi_name));
363 for (k = 0; k < sizeof(var8) && var8[k]; k++)
364 efi_name[k] = var8[k];
365 status = efi.get_variable(efi_name,
366 &efi_guid, &attr, &max_size,
367 &data[offset]);
368 if (status != EFI_SUCCESS ||
369 max_size != TAS2563_CAL_DATA_SIZE) {
370 dev_warn(p->dev,
371 "Dev %d: Caldat[%d] read failed %ld\n",
372 i, j, status);
373 cd->total_sz = 0;
374 return -EINVAL;
375 }
376 bedata = cpu_to_be32(*(uint32_t *)&data[offset]);
377 memcpy(&data[offset], &bedata, sizeof(bedata));
378 offset += TAS2563_CAL_DATA_SIZE;
379 }
380 }
381
382 if (cd->total_sz != offset) {
383 dev_err(p->dev, "%s: tot_size(%lu) and offset(%u) mismatch\n",
384 __func__, cd->total_sz, offset);
385 cd->total_sz = 0;
386 return -EINVAL;
387 }
388
389 r->r0_reg = TAS2563_CAL_R0;
390 r->invr0_reg = TAS2563_CAL_INVR0;
391 r->r0_low_reg = TAS2563_CAL_R0_LOW;
392 r->pow_reg = TAS2563_CAL_POWER;
393 r->tlimit_reg = TAS2563_CAL_TLIM;
394
395 return 0;
396 }
397
tas2781_hda_remove_controls(struct tas2781_hda * tas_hda)398 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
399 {
400 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
401 struct hda_codec *codec = tas_hda->priv->codec;
402
403 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
404 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
405
406 for (int i = ARRAY_SIZE(hda_priv->snd_ctls) - 1; i >= 0; i--)
407 snd_ctl_remove(codec->card, hda_priv->snd_ctls[i]);
408
409 snd_ctl_remove(codec->card, tas_hda->prof_ctl);
410 }
411
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)412 static void tasdev_add_kcontrols(struct tasdevice_priv *tas_priv,
413 struct snd_kcontrol **ctls, struct hda_codec *codec,
414 const struct snd_kcontrol_new *tas_snd_ctrls, int num_ctls)
415 {
416 int i, ret;
417
418 for (i = 0; i < num_ctls; i++) {
419 ctls[i] = snd_ctl_new1(
420 &tas_snd_ctrls[i], tas_priv);
421 ret = snd_ctl_add(codec->card, ctls[i]);
422 if (ret) {
423 dev_err(tas_priv->dev,
424 "Failed to add KControl %s = %d\n",
425 tas_snd_ctrls[i].name, ret);
426 break;
427 }
428 }
429 }
430
tasdevice_dspfw_init(void * context)431 static void tasdevice_dspfw_init(void *context)
432 {
433 struct tasdevice_priv *tas_priv = context;
434 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
435 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
436 struct hda_codec *codec = tas_priv->codec;
437 int ret;
438
439 tasdevice_dsp_remove(tas_priv);
440 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
441 if (tas_priv->speaker_id >= 0) {
442 snprintf(tas_priv->coef_binaryname,
443 sizeof(tas_priv->coef_binaryname),
444 "TAS2XXX%04X%d.bin",
445 lower_16_bits(codec->core.subsystem_id),
446 tas_priv->speaker_id);
447 } else {
448 snprintf(tas_priv->coef_binaryname,
449 sizeof(tas_priv->coef_binaryname),
450 "TAS2XXX%04X.bin",
451 lower_16_bits(codec->core.subsystem_id));
452 }
453 ret = tasdevice_dsp_parser(tas_priv);
454 if (ret) {
455 dev_err(tas_priv->dev, "dspfw load %s error\n",
456 tas_priv->coef_binaryname);
457 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
458 return;
459 }
460 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_prog_ctl, codec,
461 &tasdevice_dsp_prog_ctrl, 1);
462 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_conf_ctl, codec,
463 &tasdevice_dsp_conf_ctrl, 1);
464
465 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
466 tasdevice_prmg_load(tas_priv, 0);
467 if (tas_priv->fmw->nr_programs > 0)
468 tas_priv->cur_prog = 0;
469 if (tas_priv->fmw->nr_configurations > 0)
470 tas_priv->cur_conf = 0;
471
472 /* Init common setting for different audio profiles */
473 if (tas_priv->rcabin.init_profile_id >= 0)
474 tasdevice_select_cfg_blk(tas_priv,
475 tas_priv->rcabin.init_profile_id,
476 TASDEVICE_BIN_BLK_PRE_POWER_UP);
477
478 /* If calibrated data occurs error, dsp will still works with default
479 * calibrated data inside algo.
480 */
481 hda_priv->save_calibration(tas_hda);
482 }
483
tasdev_fw_ready(const struct firmware * fmw,void * context)484 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
485 {
486 struct tasdevice_priv *tas_priv = context;
487 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
488 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
489 struct hda_codec *codec = tas_priv->codec;
490 int ret;
491
492 guard(pm_runtime_active_auto)(tas_priv->dev);
493 guard(mutex)(&tas_priv->codec_lock);
494
495 ret = tasdevice_rca_parser(tas_priv, fmw);
496 if (ret)
497 goto out;
498
499 tas_priv->fw_state = TASDEVICE_RCA_FW_OK;
500 tasdev_add_kcontrols(tas_priv, &tas_hda->prof_ctl, codec,
501 &tasdevice_prof_ctrl, 1);
502
503 switch (hda_priv->hda_chip_id) {
504 case HDA_TAS2770:
505 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
506 &tas2770_snd_controls[0],
507 ARRAY_SIZE(tas2770_snd_controls));
508 break;
509 case HDA_TAS2781:
510 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
511 &tas2781_snd_controls[0],
512 ARRAY_SIZE(tas2781_snd_controls));
513 tasdevice_dspfw_init(context);
514 break;
515 case HDA_TAS5825:
516 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
517 &tas5825_snd_controls[0],
518 ARRAY_SIZE(tas5825_snd_controls));
519 tasdevice_dspfw_init(context);
520 break;
521 case HDA_TAS2563:
522 tasdevice_dspfw_init(context);
523 break;
524 default:
525 break;
526 }
527
528 out:
529 release_firmware(fmw);
530 }
531
tas2781_hda_bind(struct device * dev,struct device * master,void * master_data)532 static int tas2781_hda_bind(struct device *dev, struct device *master,
533 void *master_data)
534 {
535 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
536 struct hda_component_parent *parent = master_data;
537 struct hda_component *comp;
538 struct hda_codec *codec;
539 unsigned int subid;
540 int ret;
541
542 comp = hda_component_from_index(parent, tas_hda->priv->index);
543 if (!comp)
544 return -EINVAL;
545
546 if (comp->dev)
547 return -EBUSY;
548
549 codec = parent->codec;
550 subid = codec->core.subsystem_id >> 16;
551
552 switch (subid) {
553 case 0x1028:
554 tas_hda->catlog_id = DELL;
555 break;
556 case 0x103C:
557 tas_hda->catlog_id = HP;
558 break;
559 default:
560 tas_hda->catlog_id = LENOVO;
561 break;
562 }
563
564 guard(pm_runtime_active_auto)(dev);
565
566 comp->dev = dev;
567
568 strscpy(comp->name, dev_name(dev), sizeof(comp->name));
569
570 ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready);
571 if (!ret)
572 comp->playback_hook = tas2781_hda_playback_hook;
573
574 return ret;
575 }
576
tas2781_hda_unbind(struct device * dev,struct device * master,void * master_data)577 static void tas2781_hda_unbind(struct device *dev,
578 struct device *master, void *master_data)
579 {
580 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
581 struct hda_component_parent *parent = master_data;
582 struct hda_component *comp;
583
584 comp = hda_component_from_index(parent, tas_hda->priv->index);
585 if (comp && (comp->dev == dev)) {
586 comp->dev = NULL;
587 memset(comp->name, 0, sizeof(comp->name));
588 comp->playback_hook = NULL;
589 }
590
591 request_firmware_nowait_cancel(tas_hda->priv->dev, tas_hda->priv,
592 tasdev_fw_ready);
593
594 tas2781_hda_remove_controls(tas_hda);
595
596 tasdevice_config_info_remove(tas_hda->priv);
597 tasdevice_dsp_remove(tas_hda->priv);
598
599 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
600 }
601
602 static const struct component_ops tas2781_hda_comp_ops = {
603 .bind = tas2781_hda_bind,
604 .unbind = tas2781_hda_unbind,
605 };
606
tas2781_hda_i2c_probe(struct i2c_client * clt)607 static int tas2781_hda_i2c_probe(struct i2c_client *clt)
608 {
609 struct tas2781_hda_i2c_priv *hda_priv;
610 struct tas2781_hda *tas_hda;
611 const char *device_name;
612 int ret;
613
614 tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
615 if (!tas_hda)
616 return -ENOMEM;
617
618 hda_priv = devm_kzalloc(&clt->dev, sizeof(*hda_priv), GFP_KERNEL);
619 if (!hda_priv)
620 return -ENOMEM;
621
622 tas_hda->hda_priv = hda_priv;
623
624 dev_set_drvdata(&clt->dev, tas_hda);
625 tas_hda->dev = &clt->dev;
626
627 tas_hda->priv = tasdevice_kzalloc(clt);
628 if (!tas_hda->priv)
629 return -ENOMEM;
630
631 if (strstr(dev_name(&clt->dev), "TIAS2781")) {
632 /*
633 * TAS2781, integrated on-chip DSP with
634 * global I2C address supported.
635 */
636 device_name = "TIAS2781";
637 hda_priv->hda_chip_id = HDA_TAS2781;
638 tas_hda->priv->chip_id = TAS2781;
639 hda_priv->save_calibration = tas2781_save_calibration;
640 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
641 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW2770")) {
642 /*
643 * TAS2770, has no on-chip DSP, so no calibration data
644 * required; has no global I2C address supported.
645 */
646 device_name = "TXNW2770";
647 hda_priv->hda_chip_id = HDA_TAS2770;
648 } else if (strstarts(dev_name(&clt->dev),
649 "i2c-TXNW2781:00-tas2781-hda.0")) {
650 device_name = "TXNW2781";
651 hda_priv->hda_chip_id = HDA_TAS2781;
652 tas_hda->priv->chip_id = TAS2781;
653 hda_priv->save_calibration = tas2781_save_calibration;
654 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
655 } else if (strstr(dev_name(&clt->dev), "INT8866")) {
656 /*
657 * TAS2563, integrated on-chip DSP with
658 * global I2C address supported.
659 */
660 device_name = "INT8866";
661 hda_priv->hda_chip_id = HDA_TAS2563;
662 hda_priv->save_calibration = tas2563_save_calibration;
663 tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR;
664 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW5825")) {
665 /*
666 * TAS5825, integrated on-chip DSP without
667 * global I2C address and calibration supported.
668 */
669 device_name = "TXNW5825";
670 hda_priv->hda_chip_id = HDA_TAS5825;
671 tas_hda->priv->chip_id = TAS5825;
672 } else {
673 return -ENODEV;
674 }
675
676 tas_hda->priv->irq = clt->irq;
677 ret = tas2781_read_acpi(tas_hda->priv, device_name);
678 if (ret)
679 return dev_err_probe(tas_hda->dev, ret,
680 "Platform not supported\n");
681
682 ret = tasdevice_init(tas_hda->priv);
683 if (ret)
684 goto err;
685
686 pm_runtime_set_autosuspend_delay(tas_hda->dev, 3000);
687 pm_runtime_use_autosuspend(tas_hda->dev);
688 pm_runtime_mark_last_busy(tas_hda->dev);
689 pm_runtime_set_active(tas_hda->dev);
690 pm_runtime_enable(tas_hda->dev);
691
692 tasdevice_reset(tas_hda->priv);
693
694 ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops);
695 if (ret) {
696 dev_err(tas_hda->dev, "Register component failed: %d\n", ret);
697 pm_runtime_disable(tas_hda->dev);
698 }
699
700 err:
701 if (ret)
702 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
703 return ret;
704 }
705
tas2781_hda_i2c_remove(struct i2c_client * clt)706 static void tas2781_hda_i2c_remove(struct i2c_client *clt)
707 {
708 tas2781_hda_remove(&clt->dev, &tas2781_hda_comp_ops);
709 }
710
tas2781_runtime_suspend(struct device * dev)711 static int tas2781_runtime_suspend(struct device *dev)
712 {
713 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
714
715 dev_dbg(tas_hda->dev, "Runtime Suspend\n");
716
717 guard(mutex)(&tas_hda->priv->codec_lock);
718
719 /* The driver powers up the amplifiers at module load time.
720 * Stop the playback if it's unused.
721 */
722 if (tas_hda->priv->playback_started) {
723 tasdevice_tuning_switch(tas_hda->priv, 1, false);
724 tas_hda->priv->playback_started = false;
725 }
726
727 return 0;
728 }
729
tas2781_runtime_resume(struct device * dev)730 static int tas2781_runtime_resume(struct device *dev)
731 {
732 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
733
734 dev_dbg(tas_hda->dev, "Runtime Resume\n");
735
736 guard(mutex)(&tas_hda->priv->codec_lock);
737
738 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
739
740 return 0;
741 }
742
tas2781_system_suspend(struct device * dev)743 static int tas2781_system_suspend(struct device *dev)
744 {
745 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
746
747 dev_dbg(tas_hda->priv->dev, "System Suspend\n");
748
749 guard(mutex)(&tas_hda->priv->codec_lock);
750
751 /* Shutdown chip before system suspend */
752 if (tas_hda->priv->playback_started)
753 tasdevice_tuning_switch(tas_hda->priv, 1, false);
754
755 /*
756 * Reset GPIO may be shared, so cannot reset here.
757 * However beyond this point, amps may be powered down.
758 */
759 return 0;
760 }
761
tas2781_system_resume(struct device * dev)762 static int tas2781_system_resume(struct device *dev)
763 {
764 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
765 int i;
766
767 dev_dbg(tas_hda->priv->dev, "System Resume\n");
768
769 guard(mutex)(&tas_hda->priv->codec_lock);
770
771 for (i = 0; i < tas_hda->priv->ndev; i++) {
772 tas_hda->priv->tasdevice[i].cur_book = -1;
773 tas_hda->priv->tasdevice[i].cur_prog = -1;
774 tas_hda->priv->tasdevice[i].cur_conf = -1;
775 }
776 tasdevice_reset(tas_hda->priv);
777 tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog);
778
779 /* Init common setting for different audio profiles */
780 if (tas_hda->priv->rcabin.init_profile_id >= 0)
781 tasdevice_select_cfg_blk(tas_hda->priv,
782 tas_hda->priv->rcabin.init_profile_id,
783 TASDEVICE_BIN_BLK_PRE_POWER_UP);
784
785 if (tas_hda->priv->playback_started)
786 tasdevice_tuning_switch(tas_hda->priv, 0, false);
787
788 return 0;
789 }
790
791 static const struct dev_pm_ops tas2781_hda_pm_ops = {
792 RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL)
793 SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume)
794 };
795
796 static const struct i2c_device_id tas2781_hda_i2c_id[] = {
797 { .name = "tas2781-hda" },
798 { }
799 };
800
801 static const struct acpi_device_id tas2781_acpi_hda_match[] = {
802 {"INT8866", 0 },
803 {"TIAS2781", 0 },
804 {"TXNW2770", 0 },
805 {"TXNW2781", 0 },
806 {"TXNW5825", 0 },
807 {}
808 };
809 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match);
810
811 static struct i2c_driver tas2781_hda_i2c_driver = {
812 .driver = {
813 .name = "tas2781-hda",
814 .acpi_match_table = tas2781_acpi_hda_match,
815 .pm = &tas2781_hda_pm_ops,
816 },
817 .id_table = tas2781_hda_i2c_id,
818 .probe = tas2781_hda_i2c_probe,
819 .remove = tas2781_hda_i2c_remove,
820 };
821 module_i2c_driver(tas2781_hda_i2c_driver);
822
823 MODULE_DESCRIPTION("TAS2781 HDA Driver");
824 MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
825 MODULE_LICENSE("GPL");
826 MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB");
827 MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781");
828