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5be27f1e SD |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
3 | // TAS2781 HDA I2C driver | |
4 | // | |
5 | // Copyright 2023 Texas Instruments, Inc. | |
6 | // | |
7 | // Author: Shenghao Ding <shenghao-ding@ti.com> | |
8 | ||
9 | #include <linux/acpi.h> | |
10 | #include <linux/crc8.h> | |
11 | #include <linux/crc32.h> | |
12 | #include <linux/efi.h> | |
13 | #include <linux/firmware.h> | |
14 | #include <linux/i2c.h> | |
15 | #include <linux/mod_devicetable.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/pm_runtime.h> | |
18 | #include <linux/regmap.h> | |
19 | #include <sound/hda_codec.h> | |
20 | #include <sound/soc.h> | |
21 | #include <sound/tas2781.h> | |
22 | #include <sound/tlv.h> | |
23 | #include <sound/tas2781-tlv.h> | |
24 | ||
25 | #include "hda_local.h" | |
26 | #include "hda_auto_parser.h" | |
27 | #include "hda_component.h" | |
28 | #include "hda_jack.h" | |
29 | #include "hda_generic.h" | |
30 | ||
31 | #define TASDEVICE_SPEAKER_CALIBRATION_SIZE 20 | |
32 | ||
33 | /* No standard control callbacks for SNDRV_CTL_ELEM_IFACE_CARD | |
34 | * Define two controls, one is Volume control callbacks, the other is | |
35 | * flag setting control callbacks. | |
36 | */ | |
37 | ||
38 | /* Volume control callbacks for tas2781 */ | |
39 | #define ACARD_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ | |
40 | xhandler_get, xhandler_put, tlv_array) \ | |
41 | { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = (xname),\ | |
42 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
43 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
44 | .tlv.p = (tlv_array), \ | |
45 | .info = snd_soc_info_volsw_range, \ | |
46 | .get = xhandler_get, .put = xhandler_put, \ | |
47 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
48 | {.reg = xreg, .rreg = xreg, .shift = xshift, \ | |
49 | .rshift = xshift, .min = xmin, .max = xmax, \ | |
50 | .invert = xinvert} } | |
51 | ||
52 | /* Flag control callbacks for tas2781 */ | |
53 | #define ACARD_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ | |
54 | { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, \ | |
55 | .info = snd_ctl_boolean_mono_info, \ | |
56 | .get = xhandler_get, .put = xhandler_put, \ | |
57 | .private_value = xdata } | |
58 | ||
59 | enum calib_data { | |
60 | R0_VAL = 0, | |
61 | INV_R0, | |
62 | R0LOW, | |
63 | POWER, | |
64 | TLIM, | |
65 | CALIB_MAX | |
66 | }; | |
67 | ||
c3ca4458 GK |
68 | #define TAS2563_MAX_CHANNELS 4 |
69 | ||
70 | #define TAS2563_CAL_POWER TASDEVICE_REG(0, 0x0d, 0x3c) | |
71 | #define TAS2563_CAL_R0 TASDEVICE_REG(0, 0x0f, 0x34) | |
72 | #define TAS2563_CAL_INVR0 TASDEVICE_REG(0, 0x0f, 0x40) | |
73 | #define TAS2563_CAL_R0_LOW TASDEVICE_REG(0, 0x0f, 0x48) | |
74 | #define TAS2563_CAL_TLIM TASDEVICE_REG(0, 0x10, 0x14) | |
75 | #define TAS2563_CAL_N 5 | |
76 | #define TAS2563_CAL_DATA_SIZE 4 | |
77 | #define TAS2563_CAL_CH_SIZE 20 | |
78 | #define TAS2563_CAL_ARRAY_SIZE 80 | |
79 | ||
80 | static unsigned int cal_regs[TAS2563_CAL_N] = { | |
81 | TAS2563_CAL_POWER, TAS2563_CAL_R0, TAS2563_CAL_INVR0, | |
82 | TAS2563_CAL_R0_LOW, TAS2563_CAL_TLIM, | |
83 | }; | |
84 | ||
85 | ||
4e7914eb GK |
86 | struct tas2781_hda { |
87 | struct device *dev; | |
88 | struct tasdevice_priv *priv; | |
89 | struct snd_kcontrol *dsp_prog_ctl; | |
90 | struct snd_kcontrol *dsp_conf_ctl; | |
91 | struct snd_kcontrol *prof_ctl; | |
92 | struct snd_kcontrol *snd_ctls[3]; | |
93 | }; | |
94 | ||
5be27f1e SD |
95 | static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data) |
96 | { | |
97 | struct tasdevice_priv *tas_priv = data; | |
98 | struct acpi_resource_i2c_serialbus *sb; | |
99 | ||
100 | if (i2c_acpi_get_i2c_resource(ares, &sb)) { | |
101 | if (tas_priv->ndev < TASDEVICE_MAX_CHANNELS && | |
c021ca72 | 102 | sb->slave_address != tas_priv->global_addr) { |
5be27f1e SD |
103 | tas_priv->tasdevice[tas_priv->ndev].dev_addr = |
104 | (unsigned int)sb->slave_address; | |
105 | tas_priv->ndev++; | |
106 | } | |
107 | } | |
108 | return 1; | |
109 | } | |
110 | ||
111 | static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid) | |
112 | { | |
113 | struct acpi_device *adev; | |
114 | struct device *physdev; | |
115 | LIST_HEAD(resources); | |
116 | const char *sub; | |
117 | int ret; | |
118 | ||
119 | adev = acpi_dev_get_first_match_dev(hid, NULL, -1); | |
120 | if (!adev) { | |
121 | dev_err(p->dev, | |
122 | "Failed to find an ACPI device for %s\n", hid); | |
123 | return -ENODEV; | |
124 | } | |
125 | ||
126 | ret = acpi_dev_get_resources(adev, &resources, tas2781_get_i2c_res, p); | |
127 | if (ret < 0) | |
128 | goto err; | |
129 | ||
130 | acpi_dev_free_resource_list(&resources); | |
131 | strscpy(p->dev_name, hid, sizeof(p->dev_name)); | |
132 | physdev = get_device(acpi_get_first_physical_node(adev)); | |
133 | acpi_dev_put(adev); | |
134 | ||
135 | /* No side-effect to the playback even if subsystem_id is NULL*/ | |
136 | sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev)); | |
137 | if (IS_ERR(sub)) | |
138 | sub = NULL; | |
139 | ||
140 | p->acpi_subsystem_id = sub; | |
141 | ||
142 | put_device(physdev); | |
143 | ||
144 | return 0; | |
145 | ||
146 | err: | |
147 | dev_err(p->dev, "read acpi error, ret: %d\n", ret); | |
1c80cc05 | 148 | acpi_dev_put(adev); |
5be27f1e SD |
149 | |
150 | return ret; | |
151 | } | |
152 | ||
153 | static void tas2781_hda_playback_hook(struct device *dev, int action) | |
154 | { | |
4e7914eb | 155 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e | 156 | |
4e7914eb | 157 | dev_dbg(tas_hda->dev, "%s: action = %d\n", __func__, action); |
5be27f1e SD |
158 | switch (action) { |
159 | case HDA_GEN_PCM_ACT_OPEN: | |
160 | pm_runtime_get_sync(dev); | |
4e7914eb GK |
161 | mutex_lock(&tas_hda->priv->codec_lock); |
162 | tasdevice_tuning_switch(tas_hda->priv, 0); | |
163 | mutex_unlock(&tas_hda->priv->codec_lock); | |
5be27f1e SD |
164 | break; |
165 | case HDA_GEN_PCM_ACT_CLOSE: | |
4e7914eb GK |
166 | mutex_lock(&tas_hda->priv->codec_lock); |
167 | tasdevice_tuning_switch(tas_hda->priv, 1); | |
168 | mutex_unlock(&tas_hda->priv->codec_lock); | |
5be27f1e SD |
169 | |
170 | pm_runtime_mark_last_busy(dev); | |
171 | pm_runtime_put_autosuspend(dev); | |
172 | break; | |
173 | default: | |
4e7914eb | 174 | dev_dbg(tas_hda->dev, "Playback action not supported: %d\n", |
5be27f1e SD |
175 | action); |
176 | break; | |
177 | } | |
178 | } | |
179 | ||
180 | static int tasdevice_info_profile(struct snd_kcontrol *kcontrol, | |
181 | struct snd_ctl_elem_info *uinfo) | |
182 | { | |
183 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
184 | ||
185 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
186 | uinfo->count = 1; | |
187 | uinfo->value.integer.min = 0; | |
188 | uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1; | |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
193 | static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, | |
194 | struct snd_ctl_elem_value *ucontrol) | |
195 | { | |
196 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
197 | ||
198 | ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id; | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
5be27f1e SD |
203 | static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol, |
204 | struct snd_ctl_elem_value *ucontrol) | |
205 | { | |
206 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
207 | int nr_profile = ucontrol->value.integer.value[0]; | |
208 | int max = tas_priv->rcabin.ncfgs - 1; | |
209 | int val, ret = 0; | |
210 | ||
da42bcb3 | 211 | val = clamp(nr_profile, 0, max); |
5be27f1e SD |
212 | |
213 | if (tas_priv->rcabin.profile_cfg_id != val) { | |
214 | tas_priv->rcabin.profile_cfg_id = val; | |
215 | ret = 1; | |
216 | } | |
217 | ||
218 | return ret; | |
219 | } | |
220 | ||
221 | static int tasdevice_info_programs(struct snd_kcontrol *kcontrol, | |
222 | struct snd_ctl_elem_info *uinfo) | |
223 | { | |
224 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
225 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
226 | ||
227 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
228 | uinfo->count = 1; | |
229 | uinfo->value.integer.min = 0; | |
230 | uinfo->value.integer.max = tas_fw->nr_programs - 1; | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
235 | static int tasdevice_info_config(struct snd_kcontrol *kcontrol, | |
236 | struct snd_ctl_elem_info *uinfo) | |
237 | { | |
238 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
239 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
240 | ||
241 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
242 | uinfo->count = 1; | |
243 | uinfo->value.integer.min = 0; | |
244 | uinfo->value.integer.max = tas_fw->nr_configurations - 1; | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
249 | static int tasdevice_program_get(struct snd_kcontrol *kcontrol, | |
250 | struct snd_ctl_elem_value *ucontrol) | |
251 | { | |
252 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
253 | ||
254 | ucontrol->value.integer.value[0] = tas_priv->cur_prog; | |
255 | ||
256 | return 0; | |
257 | } | |
258 | ||
259 | static int tasdevice_program_put(struct snd_kcontrol *kcontrol, | |
260 | struct snd_ctl_elem_value *ucontrol) | |
261 | { | |
262 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
263 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
264 | int nr_program = ucontrol->value.integer.value[0]; | |
265 | int max = tas_fw->nr_programs - 1; | |
266 | int val, ret = 0; | |
267 | ||
da42bcb3 | 268 | val = clamp(nr_program, 0, max); |
5be27f1e SD |
269 | |
270 | if (tas_priv->cur_prog != val) { | |
271 | tas_priv->cur_prog = val; | |
272 | ret = 1; | |
273 | } | |
274 | ||
275 | return ret; | |
276 | } | |
277 | ||
278 | static int tasdevice_config_get(struct snd_kcontrol *kcontrol, | |
279 | struct snd_ctl_elem_value *ucontrol) | |
280 | { | |
281 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
282 | ||
283 | ucontrol->value.integer.value[0] = tas_priv->cur_conf; | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
288 | static int tasdevice_config_put(struct snd_kcontrol *kcontrol, | |
289 | struct snd_ctl_elem_value *ucontrol) | |
290 | { | |
291 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
292 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
293 | int nr_config = ucontrol->value.integer.value[0]; | |
294 | int max = tas_fw->nr_configurations - 1; | |
295 | int val, ret = 0; | |
296 | ||
da42bcb3 | 297 | val = clamp(nr_config, 0, max); |
5be27f1e SD |
298 | |
299 | if (tas_priv->cur_conf != val) { | |
300 | tas_priv->cur_conf = val; | |
301 | ret = 1; | |
302 | } | |
303 | ||
304 | return ret; | |
305 | } | |
306 | ||
307 | /* | |
308 | * tas2781_digital_getvol - get the volum control | |
309 | * @kcontrol: control pointer | |
310 | * @ucontrol: User data | |
311 | * Customer Kcontrol for tas2781 is primarily for regmap booking, paging | |
312 | * depends on internal regmap mechanism. | |
313 | * tas2781 contains book and page two-level register map, especially | |
314 | * book switching will set the register BXXP00R7F, after switching to the | |
315 | * correct book, then leverage the mechanism for paging to access the | |
316 | * register. | |
317 | */ | |
318 | static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, | |
319 | struct snd_ctl_elem_value *ucontrol) | |
320 | { | |
321 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
322 | struct soc_mixer_control *mc = | |
323 | (struct soc_mixer_control *)kcontrol->private_value; | |
324 | ||
325 | return tasdevice_digital_getvol(tas_priv, ucontrol, mc); | |
326 | } | |
327 | ||
328 | static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, | |
329 | struct snd_ctl_elem_value *ucontrol) | |
330 | { | |
331 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
332 | struct soc_mixer_control *mc = | |
333 | (struct soc_mixer_control *)kcontrol->private_value; | |
334 | ||
335 | return tasdevice_amp_getvol(tas_priv, ucontrol, mc); | |
336 | } | |
337 | ||
338 | static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, | |
339 | struct snd_ctl_elem_value *ucontrol) | |
340 | { | |
341 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
342 | struct soc_mixer_control *mc = | |
343 | (struct soc_mixer_control *)kcontrol->private_value; | |
344 | ||
345 | /* The check of the given value is in tasdevice_digital_putvol. */ | |
346 | return tasdevice_digital_putvol(tas_priv, ucontrol, mc); | |
347 | } | |
348 | ||
349 | static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, | |
350 | struct snd_ctl_elem_value *ucontrol) | |
351 | { | |
352 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
353 | struct soc_mixer_control *mc = | |
354 | (struct soc_mixer_control *)kcontrol->private_value; | |
355 | ||
356 | /* The check of the given value is in tasdevice_amp_putvol. */ | |
357 | return tasdevice_amp_putvol(tas_priv, ucontrol, mc); | |
358 | } | |
359 | ||
360 | static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, | |
361 | struct snd_ctl_elem_value *ucontrol) | |
362 | { | |
363 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
364 | ||
365 | ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status; | |
366 | dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, | |
367 | tas_priv->force_fwload_status ? "ON" : "OFF"); | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
372 | static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, | |
373 | struct snd_ctl_elem_value *ucontrol) | |
374 | { | |
375 | struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); | |
376 | bool change, val = (bool)ucontrol->value.integer.value[0]; | |
377 | ||
378 | if (tas_priv->force_fwload_status == val) | |
379 | change = false; | |
380 | else { | |
381 | change = true; | |
382 | tas_priv->force_fwload_status = val; | |
383 | } | |
384 | dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, | |
385 | tas_priv->force_fwload_status ? "ON" : "OFF"); | |
386 | ||
387 | return change; | |
388 | } | |
389 | ||
390 | static const struct snd_kcontrol_new tas2781_snd_controls[] = { | |
391 | ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL, | |
392 | 1, 0, 20, 0, tas2781_amp_getvol, | |
393 | tas2781_amp_putvol, amp_vol_tlv), | |
394 | ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL, | |
395 | 0, 0, 200, 1, tas2781_digital_getvol, | |
396 | tas2781_digital_putvol, dvc_tlv), | |
397 | ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0, | |
398 | tas2781_force_fwload_get, tas2781_force_fwload_put), | |
399 | }; | |
400 | ||
401 | static const struct snd_kcontrol_new tas2781_prof_ctrl = { | |
402 | .name = "Speaker Profile Id", | |
403 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
404 | .info = tasdevice_info_profile, | |
405 | .get = tasdevice_get_profile_id, | |
406 | .put = tasdevice_set_profile_id, | |
407 | }; | |
408 | ||
409 | static const struct snd_kcontrol_new tas2781_dsp_prog_ctrl = { | |
410 | .name = "Speaker Program Id", | |
411 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
412 | .info = tasdevice_info_programs, | |
413 | .get = tasdevice_program_get, | |
414 | .put = tasdevice_program_put, | |
415 | }; | |
416 | ||
417 | static const struct snd_kcontrol_new tas2781_dsp_conf_ctrl = { | |
418 | .name = "Speaker Config Id", | |
419 | .iface = SNDRV_CTL_ELEM_IFACE_CARD, | |
420 | .info = tasdevice_info_config, | |
421 | .get = tasdevice_config_get, | |
422 | .put = tasdevice_config_put, | |
423 | }; | |
424 | ||
c3ca4458 GK |
425 | static void tas2563_apply_calib(struct tasdevice_priv *tas_priv) |
426 | { | |
c3ca4458 | 427 | int offset = 0; |
dcaca1b5 | 428 | __be32 data; |
c3ca4458 GK |
429 | int ret; |
430 | ||
431 | for (int i = 0; i < tas_priv->ndev; i++) { | |
432 | for (int j = 0; j < TAS2563_CAL_N; ++j) { | |
433 | data = cpu_to_be32( | |
434 | *(uint32_t *)&tas_priv->cali_data.data[offset]); | |
435 | ret = tasdevice_dev_bulk_write(tas_priv, i, cal_regs[j], | |
436 | (unsigned char *)&data, TAS2563_CAL_DATA_SIZE); | |
437 | if (ret) | |
438 | dev_err(tas_priv->dev, | |
439 | "Error writing calib regs\n"); | |
440 | offset += TAS2563_CAL_DATA_SIZE; | |
441 | } | |
442 | } | |
443 | } | |
444 | ||
445 | static int tas2563_save_calibration(struct tasdevice_priv *tas_priv) | |
446 | { | |
447 | static efi_guid_t efi_guid = EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, | |
448 | 0x09, 0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92); | |
449 | ||
450 | static efi_char16_t *efi_vars[TAS2563_MAX_CHANNELS][TAS2563_CAL_N] = { | |
451 | { L"Power_1", L"R0_1", L"InvR0_1", L"R0_Low_1", L"TLim_1" }, | |
452 | { L"Power_2", L"R0_2", L"InvR0_2", L"R0_Low_2", L"TLim_2" }, | |
453 | { L"Power_3", L"R0_3", L"InvR0_3", L"R0_Low_3", L"TLim_3" }, | |
454 | { L"Power_4", L"R0_4", L"InvR0_4", L"R0_Low_4", L"TLim_4" }, | |
455 | }; | |
456 | ||
457 | unsigned long max_size = TAS2563_CAL_DATA_SIZE; | |
458 | unsigned int offset = 0; | |
459 | efi_status_t status; | |
460 | unsigned int attr; | |
461 | ||
462 | tas_priv->cali_data.data = devm_kzalloc(tas_priv->dev, | |
463 | TAS2563_CAL_ARRAY_SIZE, GFP_KERNEL); | |
464 | if (!tas_priv->cali_data.data) | |
465 | return -ENOMEM; | |
466 | ||
467 | for (int i = 0; i < tas_priv->ndev; ++i) { | |
468 | for (int j = 0; j < TAS2563_CAL_N; ++j) { | |
469 | status = efi.get_variable(efi_vars[i][j], | |
470 | &efi_guid, &attr, &max_size, | |
471 | &tas_priv->cali_data.data[offset]); | |
472 | if (status != EFI_SUCCESS || | |
473 | max_size != TAS2563_CAL_DATA_SIZE) { | |
474 | dev_warn(tas_priv->dev, | |
475 | "Calibration data read failed %ld\n", status); | |
476 | return -EINVAL; | |
477 | } | |
478 | offset += TAS2563_CAL_DATA_SIZE; | |
479 | } | |
480 | } | |
481 | ||
482 | tas_priv->cali_data.total_sz = offset; | |
483 | tasdevice_apply_calibration(tas_priv); | |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
5be27f1e SD |
488 | static void tas2781_apply_calib(struct tasdevice_priv *tas_priv) |
489 | { | |
490 | static const unsigned char page_array[CALIB_MAX] = { | |
491 | 0x17, 0x18, 0x18, 0x0d, 0x18 | |
492 | }; | |
493 | static const unsigned char rgno_array[CALIB_MAX] = { | |
494 | 0x74, 0x0c, 0x14, 0x3c, 0x7c | |
495 | }; | |
496 | unsigned char *data; | |
497 | int i, j, rc; | |
498 | ||
499 | for (i = 0; i < tas_priv->ndev; i++) { | |
500 | data = tas_priv->cali_data.data + | |
501 | i * TASDEVICE_SPEAKER_CALIBRATION_SIZE; | |
502 | for (j = 0; j < CALIB_MAX; j++) { | |
503 | rc = tasdevice_dev_bulk_write(tas_priv, i, | |
504 | TASDEVICE_REG(0, page_array[j], rgno_array[j]), | |
505 | &(data[4 * j]), 4); | |
506 | if (rc < 0) | |
507 | dev_err(tas_priv->dev, | |
508 | "chn %d calib %d bulk_wr err = %d\n", | |
509 | i, j, rc); | |
510 | } | |
511 | } | |
512 | } | |
513 | ||
a0c9f7f2 | 514 | /* Update the calibration data, including speaker impedance, f0, etc, into algo. |
5be27f1e | 515 | * Calibrate data is done by manufacturer in the factory. These data are used |
a0c9f7f2 | 516 | * by Algo for calculating the speaker temperature, speaker membrane excursion |
5be27f1e SD |
517 | * and f0 in real time during playback. |
518 | */ | |
519 | static int tas2781_save_calibration(struct tasdevice_priv *tas_priv) | |
520 | { | |
521 | efi_guid_t efi_guid = EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d, | |
522 | 0x93, 0xfe, 0x5a, 0xa3, 0x5d, 0xb3); | |
523 | static efi_char16_t efi_name[] = L"CALI_DATA"; | |
524 | struct tm *tm = &tas_priv->tm; | |
525 | unsigned int attr, crc; | |
526 | unsigned int *tmp_val; | |
527 | efi_status_t status; | |
528 | ||
529 | /* Lenovo devices */ | |
530 | if (tas_priv->catlog_id == LENOVO) | |
531 | efi_guid = EFI_GUID(0x1f52d2a1, 0xbb3a, 0x457d, 0xbc, 0x09, | |
532 | 0x43, 0xa3, 0xf4, 0x31, 0x0a, 0x92); | |
533 | ||
534 | tas_priv->cali_data.total_sz = 0; | |
535 | /* Get real size of UEFI variable */ | |
536 | status = efi.get_variable(efi_name, &efi_guid, &attr, | |
537 | &tas_priv->cali_data.total_sz, tas_priv->cali_data.data); | |
538 | if (status == EFI_BUFFER_TOO_SMALL) { | |
539 | /* Allocate data buffer of data_size bytes */ | |
540 | tas_priv->cali_data.data = devm_kzalloc(tas_priv->dev, | |
541 | tas_priv->cali_data.total_sz, GFP_KERNEL); | |
542 | if (!tas_priv->cali_data.data) | |
543 | return -ENOMEM; | |
544 | /* Get variable contents into buffer */ | |
545 | status = efi.get_variable(efi_name, &efi_guid, &attr, | |
546 | &tas_priv->cali_data.total_sz, | |
547 | tas_priv->cali_data.data); | |
5be27f1e | 548 | } |
33071422 GK |
549 | if (status != EFI_SUCCESS) |
550 | return -EINVAL; | |
5be27f1e SD |
551 | |
552 | tmp_val = (unsigned int *)tas_priv->cali_data.data; | |
553 | ||
554 | crc = crc32(~0, tas_priv->cali_data.data, 84) ^ ~0; | |
555 | dev_dbg(tas_priv->dev, "cali crc 0x%08x PK tmp_val 0x%08x\n", | |
556 | crc, tmp_val[21]); | |
557 | ||
558 | if (crc == tmp_val[21]) { | |
559 | time64_to_tm(tmp_val[20], 0, tm); | |
560 | dev_dbg(tas_priv->dev, "%4ld-%2d-%2d, %2d:%2d:%2d\n", | |
561 | tm->tm_year, tm->tm_mon, tm->tm_mday, | |
562 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
76f5f55c | 563 | tasdevice_apply_calibration(tas_priv); |
5be27f1e SD |
564 | } else |
565 | tas_priv->cali_data.total_sz = 0; | |
566 | ||
567 | return 0; | |
568 | } | |
569 | ||
4e7914eb GK |
570 | static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda) |
571 | { | |
572 | struct hda_codec *codec = tas_hda->priv->codec; | |
573 | ||
574 | if (tas_hda->dsp_prog_ctl) | |
575 | snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl); | |
576 | ||
577 | if (tas_hda->dsp_conf_ctl) | |
578 | snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl); | |
579 | ||
580 | for (int i = ARRAY_SIZE(tas_hda->snd_ctls) - 1; i >= 0; i--) | |
581 | if (tas_hda->snd_ctls[i]) | |
582 | snd_ctl_remove(codec->card, tas_hda->snd_ctls[i]); | |
583 | ||
584 | if (tas_hda->prof_ctl) | |
585 | snd_ctl_remove(codec->card, tas_hda->prof_ctl); | |
586 | } | |
587 | ||
5be27f1e SD |
588 | static void tasdev_fw_ready(const struct firmware *fmw, void *context) |
589 | { | |
590 | struct tasdevice_priv *tas_priv = context; | |
4e7914eb | 591 | struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev); |
5be27f1e SD |
592 | struct hda_codec *codec = tas_priv->codec; |
593 | int i, ret; | |
594 | ||
595 | pm_runtime_get_sync(tas_priv->dev); | |
596 | mutex_lock(&tas_priv->codec_lock); | |
597 | ||
598 | ret = tasdevice_rca_parser(tas_priv, fmw); | |
599 | if (ret) | |
600 | goto out; | |
601 | ||
4e7914eb GK |
602 | tas_hda->prof_ctl = snd_ctl_new1(&tas2781_prof_ctrl, tas_priv); |
603 | ret = snd_ctl_add(codec->card, tas_hda->prof_ctl); | |
5be27f1e SD |
604 | if (ret) { |
605 | dev_err(tas_priv->dev, | |
606 | "Failed to add KControl %s = %d\n", | |
607 | tas2781_prof_ctrl.name, ret); | |
608 | goto out; | |
609 | } | |
610 | ||
611 | for (i = 0; i < ARRAY_SIZE(tas2781_snd_controls); i++) { | |
4e7914eb GK |
612 | tas_hda->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_controls[i], |
613 | tas_priv); | |
614 | ret = snd_ctl_add(codec->card, tas_hda->snd_ctls[i]); | |
5be27f1e SD |
615 | if (ret) { |
616 | dev_err(tas_priv->dev, | |
617 | "Failed to add KControl %s = %d\n", | |
618 | tas2781_snd_controls[i].name, ret); | |
619 | goto out; | |
620 | } | |
621 | } | |
622 | ||
623 | tasdevice_dsp_remove(tas_priv); | |
624 | ||
625 | tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; | |
626 | scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X.bin", | |
627 | codec->core.subsystem_id & 0xffff); | |
628 | ret = tasdevice_dsp_parser(tas_priv); | |
629 | if (ret) { | |
630 | dev_err(tas_priv->dev, "dspfw load %s error\n", | |
631 | tas_priv->coef_binaryname); | |
632 | tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL; | |
633 | goto out; | |
634 | } | |
635 | ||
4e7914eb GK |
636 | tas_hda->dsp_prog_ctl = snd_ctl_new1(&tas2781_dsp_prog_ctrl, |
637 | tas_priv); | |
638 | ret = snd_ctl_add(codec->card, tas_hda->dsp_prog_ctl); | |
5be27f1e SD |
639 | if (ret) { |
640 | dev_err(tas_priv->dev, | |
641 | "Failed to add KControl %s = %d\n", | |
642 | tas2781_dsp_prog_ctrl.name, ret); | |
643 | goto out; | |
644 | } | |
645 | ||
4e7914eb GK |
646 | tas_hda->dsp_conf_ctl = snd_ctl_new1(&tas2781_dsp_conf_ctrl, |
647 | tas_priv); | |
648 | ret = snd_ctl_add(codec->card, tas_hda->dsp_conf_ctl); | |
5be27f1e SD |
649 | if (ret) { |
650 | dev_err(tas_priv->dev, | |
651 | "Failed to add KControl %s = %d\n", | |
652 | tas2781_dsp_conf_ctrl.name, ret); | |
653 | goto out; | |
654 | } | |
655 | ||
656 | tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; | |
657 | tasdevice_prmg_load(tas_priv, 0); | |
ec1de5c2 GK |
658 | if (tas_priv->fmw->nr_programs > 0) |
659 | tas_priv->cur_prog = 0; | |
660 | if (tas_priv->fmw->nr_configurations > 0) | |
661 | tas_priv->cur_conf = 0; | |
5be27f1e SD |
662 | |
663 | /* If calibrated data occurs error, dsp will still works with default | |
664 | * calibrated data inside algo. | |
665 | */ | |
76f5f55c | 666 | tasdevice_save_calibration(tas_priv); |
5be27f1e | 667 | |
68f7f3ff GK |
668 | tasdevice_tuning_switch(tas_hda->priv, 0); |
669 | ||
5be27f1e | 670 | out: |
4e7914eb | 671 | mutex_unlock(&tas_hda->priv->codec_lock); |
5be27f1e SD |
672 | if (fmw) |
673 | release_firmware(fmw); | |
4e7914eb GK |
674 | pm_runtime_mark_last_busy(tas_hda->dev); |
675 | pm_runtime_put_autosuspend(tas_hda->dev); | |
5be27f1e SD |
676 | } |
677 | ||
678 | static int tas2781_hda_bind(struct device *dev, struct device *master, | |
679 | void *master_data) | |
680 | { | |
4e7914eb | 681 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e SD |
682 | struct hda_component *comps = master_data; |
683 | struct hda_codec *codec; | |
684 | unsigned int subid; | |
685 | int ret; | |
686 | ||
4e7914eb GK |
687 | if (!comps || tas_hda->priv->index < 0 || |
688 | tas_hda->priv->index >= HDA_MAX_COMPONENTS) | |
5be27f1e SD |
689 | return -EINVAL; |
690 | ||
4e7914eb | 691 | comps = &comps[tas_hda->priv->index]; |
5be27f1e SD |
692 | if (comps->dev) |
693 | return -EBUSY; | |
694 | ||
695 | codec = comps->codec; | |
696 | subid = codec->core.subsystem_id >> 16; | |
697 | ||
698 | switch (subid) { | |
699 | case 0x17aa: | |
4e7914eb | 700 | tas_hda->priv->catlog_id = LENOVO; |
5be27f1e SD |
701 | break; |
702 | default: | |
4e7914eb | 703 | tas_hda->priv->catlog_id = OTHERS; |
5be27f1e SD |
704 | break; |
705 | } | |
706 | ||
707 | pm_runtime_get_sync(dev); | |
708 | ||
709 | comps->dev = dev; | |
710 | ||
711 | strscpy(comps->name, dev_name(dev), sizeof(comps->name)); | |
712 | ||
34a10669 | 713 | ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready); |
17a1eab7 TI |
714 | if (!ret) |
715 | comps->playback_hook = tas2781_hda_playback_hook; | |
5be27f1e SD |
716 | |
717 | pm_runtime_mark_last_busy(dev); | |
718 | pm_runtime_put_autosuspend(dev); | |
719 | ||
17a1eab7 | 720 | return ret; |
5be27f1e SD |
721 | } |
722 | ||
723 | static void tas2781_hda_unbind(struct device *dev, | |
724 | struct device *master, void *master_data) | |
725 | { | |
4e7914eb | 726 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e | 727 | struct hda_component *comps = master_data; |
4e7914eb | 728 | comps = &comps[tas_hda->priv->index]; |
5be27f1e | 729 | |
75a25d31 GK |
730 | if (comps->dev == dev) { |
731 | comps->dev = NULL; | |
732 | memset(comps->name, 0, sizeof(comps->name)); | |
733 | comps->playback_hook = NULL; | |
734 | } | |
5be27f1e | 735 | |
4e7914eb | 736 | tas2781_hda_remove_controls(tas_hda); |
5be27f1e | 737 | |
4e7914eb GK |
738 | tasdevice_config_info_remove(tas_hda->priv); |
739 | tasdevice_dsp_remove(tas_hda->priv); | |
740 | ||
741 | tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING; | |
5be27f1e SD |
742 | } |
743 | ||
744 | static const struct component_ops tas2781_hda_comp_ops = { | |
745 | .bind = tas2781_hda_bind, | |
746 | .unbind = tas2781_hda_unbind, | |
747 | }; | |
748 | ||
749 | static void tas2781_hda_remove(struct device *dev) | |
750 | { | |
4e7914eb | 751 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e | 752 | |
4e7914eb GK |
753 | pm_runtime_get_sync(tas_hda->dev); |
754 | pm_runtime_disable(tas_hda->dev); | |
5be27f1e | 755 | |
4e7914eb | 756 | component_del(tas_hda->dev, &tas2781_hda_comp_ops); |
5be27f1e | 757 | |
4e7914eb | 758 | pm_runtime_put_noidle(tas_hda->dev); |
5be27f1e | 759 | |
4e7914eb | 760 | tasdevice_remove(tas_hda->priv); |
5be27f1e SD |
761 | } |
762 | ||
763 | static int tas2781_hda_i2c_probe(struct i2c_client *clt) | |
764 | { | |
4e7914eb | 765 | struct tas2781_hda *tas_hda; |
5be27f1e SD |
766 | const char *device_name; |
767 | int ret; | |
768 | ||
5be27f1e | 769 | |
4e7914eb GK |
770 | tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL); |
771 | if (!tas_hda) | |
5be27f1e SD |
772 | return -ENOMEM; |
773 | ||
4e7914eb GK |
774 | dev_set_drvdata(&clt->dev, tas_hda); |
775 | tas_hda->dev = &clt->dev; | |
776 | ||
777 | tas_hda->priv = tasdevice_kzalloc(clt); | |
778 | if (!tas_hda->priv) | |
779 | return -ENOMEM; | |
e7aa1056 | 780 | |
76f5f55c GK |
781 | if (strstr(dev_name(&clt->dev), "TIAS2781")) { |
782 | device_name = "TIAS2781"; | |
783 | tas_hda->priv->save_calibration = tas2781_save_calibration; | |
784 | tas_hda->priv->apply_calibration = tas2781_apply_calib; | |
c021ca72 | 785 | tas_hda->priv->global_addr = TAS2781_GLOBAL_ADDR; |
c3ca4458 GK |
786 | } else if (strstr(dev_name(&clt->dev), "INT8866")) { |
787 | device_name = "INT8866"; | |
788 | tas_hda->priv->save_calibration = tas2563_save_calibration; | |
789 | tas_hda->priv->apply_calibration = tas2563_apply_calib; | |
790 | tas_hda->priv->global_addr = TAS2563_GLOBAL_ADDR; | |
76f5f55c GK |
791 | } else |
792 | return -ENODEV; | |
793 | ||
4e7914eb GK |
794 | tas_hda->priv->irq_info.irq = clt->irq; |
795 | ret = tas2781_read_acpi(tas_hda->priv, device_name); | |
5be27f1e | 796 | if (ret) |
4e7914eb | 797 | return dev_err_probe(tas_hda->dev, ret, |
5be27f1e SD |
798 | "Platform not supported\n"); |
799 | ||
4e7914eb | 800 | ret = tasdevice_init(tas_hda->priv); |
5be27f1e SD |
801 | if (ret) |
802 | goto err; | |
803 | ||
4e7914eb GK |
804 | pm_runtime_set_autosuspend_delay(tas_hda->dev, 3000); |
805 | pm_runtime_use_autosuspend(tas_hda->dev); | |
806 | pm_runtime_mark_last_busy(tas_hda->dev); | |
807 | pm_runtime_set_active(tas_hda->dev); | |
808 | pm_runtime_get_noresume(tas_hda->dev); | |
809 | pm_runtime_enable(tas_hda->dev); | |
5be27f1e | 810 | |
4e7914eb | 811 | pm_runtime_put_autosuspend(tas_hda->dev); |
5be27f1e | 812 | |
4e7914eb | 813 | tas2781_reset(tas_hda->priv); |
315deab2 | 814 | |
4e7914eb | 815 | ret = component_add(tas_hda->dev, &tas2781_hda_comp_ops); |
5be27f1e | 816 | if (ret) { |
4e7914eb GK |
817 | dev_err(tas_hda->dev, "Register component failed: %d\n", ret); |
818 | pm_runtime_disable(tas_hda->dev); | |
5be27f1e SD |
819 | } |
820 | ||
5be27f1e SD |
821 | err: |
822 | if (ret) | |
823 | tas2781_hda_remove(&clt->dev); | |
824 | return ret; | |
825 | } | |
826 | ||
827 | static void tas2781_hda_i2c_remove(struct i2c_client *clt) | |
828 | { | |
829 | tas2781_hda_remove(&clt->dev); | |
830 | } | |
831 | ||
832 | static int tas2781_runtime_suspend(struct device *dev) | |
833 | { | |
4e7914eb | 834 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e SD |
835 | int i; |
836 | ||
4e7914eb | 837 | dev_dbg(tas_hda->dev, "Runtime Suspend\n"); |
5be27f1e | 838 | |
4e7914eb | 839 | mutex_lock(&tas_hda->priv->codec_lock); |
5be27f1e | 840 | |
4e7914eb GK |
841 | if (tas_hda->priv->playback_started) { |
842 | tasdevice_tuning_switch(tas_hda->priv, 1); | |
843 | tas_hda->priv->playback_started = false; | |
5be27f1e SD |
844 | } |
845 | ||
4e7914eb GK |
846 | for (i = 0; i < tas_hda->priv->ndev; i++) { |
847 | tas_hda->priv->tasdevice[i].cur_book = -1; | |
848 | tas_hda->priv->tasdevice[i].cur_prog = -1; | |
849 | tas_hda->priv->tasdevice[i].cur_conf = -1; | |
5be27f1e SD |
850 | } |
851 | ||
4e7914eb | 852 | mutex_unlock(&tas_hda->priv->codec_lock); |
5be27f1e SD |
853 | |
854 | return 0; | |
855 | } | |
856 | ||
857 | static int tas2781_runtime_resume(struct device *dev) | |
858 | { | |
4e7914eb | 859 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e | 860 | |
4e7914eb | 861 | dev_dbg(tas_hda->dev, "Runtime Resume\n"); |
5be27f1e | 862 | |
4e7914eb | 863 | mutex_lock(&tas_hda->priv->codec_lock); |
5be27f1e | 864 | |
4e7914eb | 865 | tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog); |
5be27f1e SD |
866 | |
867 | /* If calibrated data occurs error, dsp will still works with default | |
868 | * calibrated data inside algo. | |
869 | */ | |
76f5f55c | 870 | tasdevice_apply_calibration(tas_hda->priv); |
5be27f1e | 871 | |
4e7914eb | 872 | mutex_unlock(&tas_hda->priv->codec_lock); |
5be27f1e | 873 | |
6dad45f4 | 874 | return 0; |
5be27f1e SD |
875 | } |
876 | ||
877 | static int tas2781_system_suspend(struct device *dev) | |
878 | { | |
4e7914eb | 879 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e SD |
880 | int ret; |
881 | ||
4e7914eb | 882 | dev_dbg(tas_hda->priv->dev, "System Suspend\n"); |
5be27f1e SD |
883 | |
884 | ret = pm_runtime_force_suspend(dev); | |
885 | if (ret) | |
886 | return ret; | |
887 | ||
888 | /* Shutdown chip before system suspend */ | |
4e7914eb | 889 | tasdevice_tuning_switch(tas_hda->priv, 1); |
5be27f1e SD |
890 | |
891 | /* | |
892 | * Reset GPIO may be shared, so cannot reset here. | |
893 | * However beyond this point, amps may be powered down. | |
894 | */ | |
895 | return 0; | |
896 | } | |
897 | ||
898 | static int tas2781_system_resume(struct device *dev) | |
899 | { | |
4e7914eb | 900 | struct tas2781_hda *tas_hda = dev_get_drvdata(dev); |
5be27f1e SD |
901 | int i, ret; |
902 | ||
4e7914eb | 903 | dev_info(tas_hda->priv->dev, "System Resume\n"); |
5be27f1e SD |
904 | |
905 | ret = pm_runtime_force_resume(dev); | |
906 | if (ret) | |
907 | return ret; | |
908 | ||
4e7914eb | 909 | mutex_lock(&tas_hda->priv->codec_lock); |
5be27f1e | 910 | |
4e7914eb GK |
911 | for (i = 0; i < tas_hda->priv->ndev; i++) { |
912 | tas_hda->priv->tasdevice[i].cur_book = -1; | |
913 | tas_hda->priv->tasdevice[i].cur_prog = -1; | |
914 | tas_hda->priv->tasdevice[i].cur_conf = -1; | |
5be27f1e | 915 | } |
4e7914eb GK |
916 | tas2781_reset(tas_hda->priv); |
917 | tasdevice_prmg_load(tas_hda->priv, tas_hda->priv->cur_prog); | |
5be27f1e SD |
918 | |
919 | /* If calibrated data occurs error, dsp will still work with default | |
920 | * calibrated data inside algo. | |
921 | */ | |
76f5f55c | 922 | tasdevice_apply_calibration(tas_hda->priv); |
4e7914eb | 923 | mutex_unlock(&tas_hda->priv->codec_lock); |
5be27f1e SD |
924 | |
925 | return 0; | |
926 | } | |
927 | ||
928 | static const struct dev_pm_ops tas2781_hda_pm_ops = { | |
929 | RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL) | |
930 | SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume) | |
931 | }; | |
932 | ||
933 | static const struct i2c_device_id tas2781_hda_i2c_id[] = { | |
934 | { "tas2781-hda", 0 }, | |
935 | {} | |
936 | }; | |
937 | ||
938 | static const struct acpi_device_id tas2781_acpi_hda_match[] = { | |
939 | {"TIAS2781", 0 }, | |
c3ca4458 | 940 | {"INT8866", 0 }, |
5be27f1e SD |
941 | {} |
942 | }; | |
943 | MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match); | |
944 | ||
945 | static struct i2c_driver tas2781_hda_i2c_driver = { | |
946 | .driver = { | |
947 | .name = "tas2781-hda", | |
948 | .acpi_match_table = tas2781_acpi_hda_match, | |
949 | .pm = &tas2781_hda_pm_ops, | |
950 | }, | |
951 | .id_table = tas2781_hda_i2c_id, | |
ed81cb9e | 952 | .probe = tas2781_hda_i2c_probe, |
5be27f1e SD |
953 | .remove = tas2781_hda_i2c_remove, |
954 | }; | |
955 | module_i2c_driver(tas2781_hda_i2c_driver); | |
956 | ||
957 | MODULE_DESCRIPTION("TAS2781 HDA Driver"); | |
958 | MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>"); | |
959 | MODULE_LICENSE("GPL"); | |
960 | MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB); |