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 #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 };
64
tas2781_get_i2c_res(struct acpi_resource * ares,void * data)65 static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data)
66 {
67 struct tasdevice_priv *tas_priv = data;
68 struct acpi_resource_i2c_serialbus *sb;
69
70 if (i2c_acpi_get_i2c_resource(ares, &sb)) {
71 if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS &&
72 sb->slave_address != tas_priv->global_addr) {
73 tas_priv->tasdevice[tas_priv->ndev].dev_addr =
74 (unsigned int)sb->slave_address;
75 tas_priv->ndev++;
76 }
77 }
78 return 1;
79 }
80
81 static const struct acpi_gpio_params speakerid_gpios = { 0, 0, false };
82
83 static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = {
84 { "speakerid-gpios", &speakerid_gpios, 1 },
85 { }
86 };
87
tas2781_read_acpi(struct tasdevice_priv * p,const char * hid)88 static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid)
89 {
90 struct acpi_device *adev;
91 struct device *physdev;
92 LIST_HEAD(resources);
93 const char *sub;
94 uint32_t subid;
95 int ret;
96
97 adev = acpi_dev_get_first_match_dev(hid, NULL, -1);
98 if (!adev) {
99 dev_err(p->dev,
100 "Failed to find an ACPI device for %s\n", hid);
101 return -ENODEV;
102 }
103
104 physdev = 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 goto end_2563;
115 dev_err(p->dev, "Failed to get SUBSYS ID.\n");
116 ret = PTR_ERR(sub);
117 goto err;
118 }
119 /* Speaker id was needed for ASUS projects. */
120 ret = kstrtou32(sub, 16, &subid);
121 if (!ret && upper_16_bits(subid) == PCI_VENDOR_ID_ASUSTEK) {
122 ret = devm_acpi_dev_add_driver_gpios(p->dev,
123 tas2781_speaker_id_gpios);
124 if (ret < 0)
125 dev_err(p->dev, "Failed to add driver gpio %d.\n",
126 ret);
127 p->speaker_id = devm_gpiod_get(p->dev, "speakerid", GPIOD_IN);
128 if (IS_ERR(p->speaker_id)) {
129 dev_err(p->dev, "Failed to get Speaker id.\n");
130 ret = PTR_ERR(p->speaker_id);
131 goto err;
132 }
133 } else {
134 p->speaker_id = NULL;
135 }
136
137 end_2563:
138 acpi_dev_free_resource_list(&resources);
139 strscpy(p->dev_name, hid, sizeof(p->dev_name));
140 put_device(physdev);
141 acpi_dev_put(adev);
142
143 return 0;
144
145 err:
146 dev_err(p->dev, "read acpi error, ret: %d\n", ret);
147 put_device(physdev);
148 acpi_dev_put(adev);
149
150 return ret;
151 }
152
tas2781_hda_playback_hook(struct device * dev,int action)153 static void tas2781_hda_playback_hook(struct device *dev, int action)
154 {
155 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
156
157 dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action);
158 switch (action) {
159 case HDA_GEN_PCM_ACT_OPEN:
160 pm_runtime_get_sync(dev);
161 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
162 tasdevice_tuning_switch(tas_hda->priv, 0);
163 tas_hda->priv->playback_started = true;
164 }
165 break;
166 case HDA_GEN_PCM_ACT_CLOSE:
167 scoped_guard(mutex, &tas_hda->priv->codec_lock) {
168 tasdevice_tuning_switch(tas_hda->priv, 1);
169 tas_hda->priv->playback_started = false;
170 }
171
172 pm_runtime_put_autosuspend(dev);
173 break;
174 default:
175 break;
176 }
177 }
178
tas2781_amp_getvol(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)179 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol,
180 struct snd_ctl_elem_value *ucontrol)
181 {
182 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
183 struct soc_mixer_control *mc =
184 (struct soc_mixer_control *)kcontrol->private_value;
185 int ret;
186
187 guard(mutex)(&tas_priv->codec_lock);
188
189 ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc);
190
191 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %ld\n",
192 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
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
204 guard(mutex)(&tas_priv->codec_lock);
205
206 dev_dbg(tas_priv->dev, "%s: kcontrol %s: -> %ld\n",
207 __func__, kcontrol->id.name, ucontrol->value.integer.value[0]);
208
209 /* The check of the given value is in tasdevice_amp_putvol. */
210 return tasdevice_amp_putvol(tas_priv, ucontrol, mc);
211 }
212
tas2781_force_fwload_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)213 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol,
214 struct snd_ctl_elem_value *ucontrol)
215 {
216 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
217
218 guard(mutex)(&tas_priv->codec_lock);
219
220 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status;
221 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d\n",
222 __func__, kcontrol->id.name, tas_priv->force_fwload_status);
223
224 return 0;
225 }
226
tas2781_force_fwload_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)227 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol,
228 struct snd_ctl_elem_value *ucontrol)
229 {
230 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);
231 bool change, val = (bool)ucontrol->value.integer.value[0];
232
233 guard(mutex)(&tas_priv->codec_lock);
234
235 dev_dbg(tas_priv->dev, "%s: kcontrol %s: %d -> %d\n",
236 __func__, kcontrol->id.name,
237 tas_priv->force_fwload_status, val);
238
239 if (tas_priv->force_fwload_status == val)
240 change = false;
241 else {
242 change = true;
243 tas_priv->force_fwload_status = val;
244 }
245
246 return change;
247 }
248
249 static const struct snd_kcontrol_new tas2770_snd_controls[] = {
250 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2770_AMP_LEVEL,
251 0, 0, 20, 0, tas2781_amp_getvol,
252 tas2781_amp_putvol, tas2770_amp_tlv),
253 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS2770_DVC_LEVEL,
254 0, 0, 200, 1, tas2781_amp_getvol,
255 tas2781_amp_putvol, tas2770_dvc_tlv),
256 };
257
258 static const struct snd_kcontrol_new tas2781_snd_controls[] = {
259 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS2781_AMP_LEVEL,
260 1, 0, 20, 0, tas2781_amp_getvol,
261 tas2781_amp_putvol, tas2781_amp_tlv),
262 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
263 tas2781_force_fwload_get, tas2781_force_fwload_put),
264 };
265
266 static const struct snd_kcontrol_new tas5825_snd_controls[] = {
267 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Volume", TAS5825_AMP_LEVEL,
268 0, 0, 31, 1, tas2781_amp_getvol,
269 tas2781_amp_putvol, tas5825_amp_tlv),
270 ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Volume", TAS5825_DVC_LEVEL,
271 0, 0, 254, 1, tas2781_amp_getvol,
272 tas2781_amp_putvol, tas5825_dvc_tlv),
273 ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0,
274 tas2781_force_fwload_get, tas2781_force_fwload_put),
275 };
276
277 static const struct snd_kcontrol_new tasdevice_prof_ctrl = {
278 .name = "Speaker Profile Id",
279 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
280 .info = tasdevice_info_profile,
281 .get = tasdevice_get_profile_id,
282 .put = tasdevice_set_profile_id,
283 };
284
285 static const struct snd_kcontrol_new tasdevice_dsp_prog_ctrl = {
286 .name = "Speaker Program Id",
287 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
288 .info = tasdevice_info_programs,
289 .get = tasdevice_program_get,
290 .put = tasdevice_program_put,
291 };
292
293 static const struct snd_kcontrol_new tasdevice_dsp_conf_ctrl = {
294 .name = "Speaker Config Id",
295 .iface = SNDRV_CTL_ELEM_IFACE_CARD,
296 .info = tasdevice_info_config,
297 .get = tasdevice_config_get,
298 .put = tasdevice_config_put,
299 };
300
tas2563_save_calibration(struct tas2781_hda * h)301 static int tas2563_save_calibration(struct tas2781_hda *h)
302 {
303 efi_guid_t efi_guid = tasdev_fct_efi_guid[LENOVO];
304 char *vars[TASDEV_CALIB_N] = {
305 "R0_%d", "R0_Low_%d", "InvR0_%d", "Power_%d", "TLim_%d"
306 };
307 efi_char16_t efi_name[TAS2563_CAL_VAR_NAME_MAX];
308 unsigned long max_size = TAS2563_CAL_DATA_SIZE;
309 unsigned char var8[TAS2563_CAL_VAR_NAME_MAX];
310 struct tasdevice_priv *p = h->priv;
311 struct calidata *cd = &p->cali_data;
312 struct cali_reg *r = &cd->cali_reg_array;
313 unsigned int offset = 0;
314 unsigned char *data;
315 __be32 bedata;
316 efi_status_t status;
317 unsigned int attr;
318 int ret, i, j, k;
319
320 if (!efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE)) {
321 dev_err(p->dev, "%s: NO EFI FOUND!\n", __func__);
322 return -EINVAL;
323 }
324
325 cd->cali_dat_sz_per_dev = TAS2563_CAL_DATA_SIZE * TASDEV_CALIB_N;
326
327 /* extra byte for each device is the device number */
328 cd->total_sz = (cd->cali_dat_sz_per_dev + 1) * p->ndev;
329 data = cd->data = devm_kzalloc(p->dev, cd->total_sz,
330 GFP_KERNEL);
331 if (!data)
332 return -ENOMEM;
333
334 for (i = 0; i < p->ndev; ++i) {
335 data[offset] = i;
336 offset++;
337 for (j = 0; j < TASDEV_CALIB_N; ++j) {
338 /* EFI name for calibration started with 1, not 0 */
339 ret = snprintf(var8, sizeof(var8), vars[j], i + 1);
340 if (ret < 0 || ret >= sizeof(var8) - 1) {
341 dev_err(p->dev, "%s: Read %s failed\n",
342 __func__, var8);
343 return -EINVAL;
344 }
345 /*
346 * Our variable names are ASCII by construction, but
347 * EFI names are wide chars. Convert and zero-pad.
348 */
349 memset(efi_name, 0, sizeof(efi_name));
350 for (k = 0; k < sizeof(var8) && var8[k]; k++)
351 efi_name[k] = var8[k];
352 status = efi.get_variable(efi_name,
353 &efi_guid, &attr, &max_size,
354 &data[offset]);
355 if (status != EFI_SUCCESS ||
356 max_size != TAS2563_CAL_DATA_SIZE) {
357 dev_warn(p->dev,
358 "Dev %d: Caldat[%d] read failed %ld\n",
359 i, j, status);
360 return -EINVAL;
361 }
362 bedata = cpu_to_be32(*(uint32_t *)&data[offset]);
363 memcpy(&data[offset], &bedata, sizeof(bedata));
364 offset += TAS2563_CAL_DATA_SIZE;
365 }
366 }
367
368 if (cd->total_sz != offset) {
369 dev_err(p->dev, "%s: tot_size(%lu) and offset(%u) mismatch\n",
370 __func__, cd->total_sz, offset);
371 return -EINVAL;
372 }
373
374 r->r0_reg = TAS2563_CAL_R0;
375 r->invr0_reg = TAS2563_CAL_INVR0;
376 r->r0_low_reg = TAS2563_CAL_R0_LOW;
377 r->pow_reg = TAS2563_CAL_POWER;
378 r->tlimit_reg = TAS2563_CAL_TLIM;
379
380 /*
381 * TAS2781_FMWLIB supports two solutions of calibrated data. One is
382 * from the driver itself: driver reads the calibrated files directly
383 * during probe; The other from user space: during init of audio hal,
384 * the audio hal will pass the calibrated data via kcontrol interface.
385 * Driver will store this data in "struct calidata" for use. For hda
386 * device, calibrated data are usunally saved into UEFI. So Hda side
387 * codec driver use the mixture of these two solutions, driver reads
388 * the data from UEFI, then store this data in "struct calidata" for
389 * use.
390 */
391 p->is_user_space_calidata = true;
392
393 return 0;
394 }
395
tas2781_hda_remove_controls(struct tas2781_hda * tas_hda)396 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda)
397 {
398 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
399 struct hda_codec *codec = tas_hda->priv->codec;
400
401 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl);
402 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl);
403
404 for (int i = ARRAY_SIZE(hda_priv->snd_ctls) - 1; i >= 0; i--)
405 snd_ctl_remove(codec->card, hda_priv->snd_ctls[i]);
406
407 snd_ctl_remove(codec->card, tas_hda->prof_ctl);
408 }
409
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)410 static void tasdev_add_kcontrols(struct tasdevice_priv *tas_priv,
411 struct snd_kcontrol **ctls, struct hda_codec *codec,
412 const struct snd_kcontrol_new *tas_snd_ctrls, int num_ctls)
413 {
414 int i, ret;
415
416 for (i = 0; i < num_ctls; i++) {
417 ctls[i] = snd_ctl_new1(
418 &tas_snd_ctrls[i], tas_priv);
419 ret = snd_ctl_add(codec->card, ctls[i]);
420 if (ret) {
421 dev_err(tas_priv->dev,
422 "Failed to add KControl %s = %d\n",
423 tas_snd_ctrls[i].name, ret);
424 break;
425 }
426 }
427 }
428
tasdevice_dspfw_init(void * context)429 static void tasdevice_dspfw_init(void *context)
430 {
431 struct tasdevice_priv *tas_priv = context;
432 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
433 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
434 struct hda_codec *codec = tas_priv->codec;
435 int ret, spk_id;
436
437 tasdevice_dsp_remove(tas_priv);
438 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING;
439 if (tas_priv->speaker_id != NULL) {
440 // Speaker id need to be checked for ASUS only.
441 spk_id = gpiod_get_value(tas_priv->speaker_id);
442 if (spk_id < 0) {
443 // Speaker id is not valid, use default.
444 dev_dbg(tas_priv->dev, "Wrong spk_id = %d\n", spk_id);
445 spk_id = 0;
446 }
447 snprintf(tas_priv->coef_binaryname,
448 sizeof(tas_priv->coef_binaryname),
449 "TAS2XXX%04X%d.bin",
450 lower_16_bits(codec->core.subsystem_id),
451 spk_id);
452 } else {
453 snprintf(tas_priv->coef_binaryname,
454 sizeof(tas_priv->coef_binaryname),
455 "TAS2XXX%04X.bin",
456 lower_16_bits(codec->core.subsystem_id));
457 }
458 ret = tasdevice_dsp_parser(tas_priv);
459 if (ret) {
460 dev_err(tas_priv->dev, "dspfw load %s error\n",
461 tas_priv->coef_binaryname);
462 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
463 return;
464 }
465 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_prog_ctl, codec,
466 &tasdevice_dsp_prog_ctrl, 1);
467 tasdev_add_kcontrols(tas_priv, &tas_hda->dsp_conf_ctl, codec,
468 &tasdevice_dsp_conf_ctrl, 1);
469
470 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK;
471 tasdevice_prmg_load(tas_priv, 0);
472 if (tas_priv->fmw->nr_programs > 0)
473 tas_priv->cur_prog = 0;
474 if (tas_priv->fmw->nr_configurations > 0)
475 tas_priv->cur_conf = 0;
476
477 /* Init common setting for different audio profiles */
478 if (tas_priv->rcabin.init_profile_id >= 0)
479 tasdevice_select_cfg_blk(tas_priv,
480 tas_priv->rcabin.init_profile_id,
481 TASDEVICE_BIN_BLK_PRE_POWER_UP);
482
483 /* If calibrated data occurs error, dsp will still works with default
484 * calibrated data inside algo.
485 */
486 hda_priv->save_calibration(tas_hda);
487 }
488
tasdev_fw_ready(const struct firmware * fmw,void * context)489 static void tasdev_fw_ready(const struct firmware *fmw, void *context)
490 {
491 struct tasdevice_priv *tas_priv = context;
492 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev);
493 struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv;
494 struct hda_codec *codec = tas_priv->codec;
495 int ret;
496
497 pm_runtime_get_sync(tas_priv->dev);
498 mutex_lock(&tas_priv->codec_lock);
499
500 ret = tasdevice_rca_parser(tas_priv, fmw);
501 if (ret)
502 goto out;
503
504 tas_priv->fw_state = TASDEVICE_RCA_FW_OK;
505 tasdev_add_kcontrols(tas_priv, &tas_hda->prof_ctl, codec,
506 &tasdevice_prof_ctrl, 1);
507
508 switch (hda_priv->hda_chip_id) {
509 case HDA_TAS2770:
510 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
511 &tas2770_snd_controls[0],
512 ARRAY_SIZE(tas2770_snd_controls));
513 break;
514 case HDA_TAS2781:
515 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
516 &tas2781_snd_controls[0],
517 ARRAY_SIZE(tas2781_snd_controls));
518 tasdevice_dspfw_init(context);
519 break;
520 case HDA_TAS5825:
521 tasdev_add_kcontrols(tas_priv, hda_priv->snd_ctls, codec,
522 &tas5825_snd_controls[0],
523 ARRAY_SIZE(tas5825_snd_controls));
524 tasdevice_dspfw_init(context);
525 break;
526 case HDA_TAS2563:
527 tasdevice_dspfw_init(context);
528 break;
529 default:
530 break;
531 }
532
533 out:
534 mutex_unlock(&tas_hda->priv->codec_lock);
535 release_firmware(fmw);
536 pm_runtime_put_autosuspend(tas_hda->dev);
537 }
538
tas2781_hda_bind(struct device * dev,struct device * master,void * master_data)539 static int tas2781_hda_bind(struct device *dev, struct device *master,
540 void *master_data)
541 {
542 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
543 struct hda_component_parent *parent = master_data;
544 struct hda_component *comp;
545 struct hda_codec *codec;
546 unsigned int subid;
547 int ret;
548
549 comp = hda_component_from_index(parent, tas_hda->priv->index);
550 if (!comp)
551 return -EINVAL;
552
553 if (comp->dev)
554 return -EBUSY;
555
556 codec = parent->codec;
557 subid = codec->core.subsystem_id >> 16;
558
559 switch (subid) {
560 case 0x1028:
561 tas_hda->catlog_id = DELL;
562 break;
563 default:
564 tas_hda->catlog_id = LENOVO;
565 break;
566 }
567
568 pm_runtime_get_sync(dev);
569
570 comp->dev = dev;
571
572 strscpy(comp->name, dev_name(dev), sizeof(comp->name));
573
574 ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready);
575 if (!ret)
576 comp->playback_hook = tas2781_hda_playback_hook;
577
578 pm_runtime_put_autosuspend(dev);
579
580 return ret;
581 }
582
tas2781_hda_unbind(struct device * dev,struct device * master,void * master_data)583 static void tas2781_hda_unbind(struct device *dev,
584 struct device *master, void *master_data)
585 {
586 struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
587 struct hda_component_parent *parent = master_data;
588 struct hda_component *comp;
589
590 comp = hda_component_from_index(parent, tas_hda->priv->index);
591 if (comp && (comp->dev == dev)) {
592 comp->dev = NULL;
593 memset(comp->name, 0, sizeof(comp->name));
594 comp->playback_hook = NULL;
595 }
596
597 tas2781_hda_remove_controls(tas_hda);
598
599 tasdevice_config_info_remove(tas_hda->priv);
600 tasdevice_dsp_remove(tas_hda->priv);
601
602 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING;
603 }
604
605 static const struct component_ops tas2781_hda_comp_ops = {
606 .bind = tas2781_hda_bind,
607 .unbind = tas2781_hda_unbind,
608 };
609
tas2781_hda_i2c_probe(struct i2c_client * clt)610 static int tas2781_hda_i2c_probe(struct i2c_client *clt)
611 {
612 struct tas2781_hda_i2c_priv *hda_priv;
613 struct tas2781_hda *tas_hda;
614 const char *device_name;
615 int ret;
616
617 tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
618 if (!tas_hda)
619 return -ENOMEM;
620
621 hda_priv = devm_kzalloc(&clt->dev, sizeof(*hda_priv), GFP_KERNEL);
622 if (!hda_priv)
623 return -ENOMEM;
624
625 tas_hda->hda_priv = hda_priv;
626
627 dev_set_drvdata(&clt->dev, tas_hda);
628 tas_hda->dev = &clt->dev;
629
630 tas_hda->priv = tasdevice_kzalloc(clt);
631 if (!tas_hda->priv)
632 return -ENOMEM;
633
634 if (strstr(dev_name(&clt->dev), "TIAS2781")) {
635 /*
636 * TAS2781, integrated on-chip DSP with
637 * global I2C address supported.
638 */
639 device_name = "TIAS2781";
640 hda_priv->hda_chip_id = HDA_TAS2781;
641 hda_priv->save_calibration = tas2781_save_calibration;
642 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
643 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW2770")) {
644 /*
645 * TAS2770, has no on-chip DSP, so no calibration data
646 * required; has no global I2C address supported.
647 */
648 device_name = "TXNW2770";
649 hda_priv->hda_chip_id = HDA_TAS2770;
650 } else if (strstarts(dev_name(&clt->dev),
651 "i2c-TXNW2781:00-tas2781-hda.0")) {
652 device_name = "TXNW2781";
653 hda_priv->hda_chip_id = HDA_TAS2781;
654 hda_priv->save_calibration = tas2781_save_calibration;
655 tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR;
656 } else if (strstr(dev_name(&clt->dev), "INT8866")) {
657 /*
658 * TAS2563, integrated on-chip DSP with
659 * global I2C address supported.
660 */
661 device_name = "INT8866";
662 hda_priv->hda_chip_id = HDA_TAS2563;
663 hda_priv->save_calibration = tas2563_save_calibration;
664 tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR;
665 } else if (strstarts(dev_name(&clt->dev), "i2c-TXNW5825")) {
666 /*
667 * TAS5825, integrated on-chip DSP without
668 * global I2C address and calibration supported.
669 */
670 device_name = "TXNW5825";
671 hda_priv->hda_chip_id = HDA_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);
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);
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);
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 { "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