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ef3bcde7 SD |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
9f1bcd16 | 3 | // ALSA SoC Texas Instruments TAS2563/TAS2781 Audio Smart Amplifier |
ef3bcde7 SD |
4 | // |
5 | // Copyright (C) 2022 - 2023 Texas Instruments Incorporated | |
6 | // https://www.ti.com | |
7 | // | |
9f1bcd16 | 8 | // The TAS2563/TAS2781 driver implements a flexible and configurable |
ef3bcde7 | 9 | // algo coefficient setting for one, two, or even multiple |
9f1bcd16 | 10 | // TAS2563/TAS2781 chips. |
ef3bcde7 SD |
11 | // |
12 | // Author: Shenghao Ding <shenghao-ding@ti.com> | |
13 | // Author: Kevin Lu <kevin-lu@ti.com> | |
14 | // | |
15 | ||
16 | #include <linux/crc8.h> | |
17 | #include <linux/firmware.h> | |
18 | #include <linux/gpio/consumer.h> | |
19 | #include <linux/i2c.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/of.h> | |
24 | #include <linux/of_gpio.h> | |
25 | #include <linux/of_irq.h> | |
26 | #include <linux/regmap.h> | |
27 | #include <linux/slab.h> | |
28 | #include <sound/pcm_params.h> | |
29 | #include <sound/soc.h> | |
30 | #include <sound/tas2781.h> | |
31 | #include <sound/tlv.h> | |
32 | #include <sound/tas2781-tlv.h> | |
33 | ||
34 | static const struct i2c_device_id tasdevice_id[] = { | |
9f1bcd16 | 35 | { "tas2563", TAS2563 }, |
ef3bcde7 SD |
36 | { "tas2781", TAS2781 }, |
37 | {} | |
38 | }; | |
39 | MODULE_DEVICE_TABLE(i2c, tasdevice_id); | |
40 | ||
41 | #ifdef CONFIG_OF | |
42 | static const struct of_device_id tasdevice_of_match[] = { | |
9f1bcd16 | 43 | { .compatible = "ti,tas2563" }, |
ef3bcde7 SD |
44 | { .compatible = "ti,tas2781" }, |
45 | {}, | |
46 | }; | |
47 | MODULE_DEVICE_TABLE(of, tasdevice_of_match); | |
48 | #endif | |
49 | ||
50 | /** | |
51 | * tas2781_digital_getvol - get the volum control | |
52 | * @kcontrol: control pointer | |
53 | * @ucontrol: User data | |
54 | * Customer Kcontrol for tas2781 is primarily for regmap booking, paging | |
55 | * depends on internal regmap mechanism. | |
56 | * tas2781 contains book and page two-level register map, especially | |
57 | * book switching will set the register BXXP00R7F, after switching to the | |
58 | * correct book, then leverage the mechanism for paging to access the | |
59 | * register. | |
60 | */ | |
61 | static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, | |
62 | struct snd_ctl_elem_value *ucontrol) | |
63 | { | |
64 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
65 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
66 | struct soc_mixer_control *mc = | |
67 | (struct soc_mixer_control *)kcontrol->private_value; | |
68 | ||
69 | return tasdevice_digital_getvol(tas_priv, ucontrol, mc); | |
70 | } | |
71 | ||
72 | static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, | |
73 | struct snd_ctl_elem_value *ucontrol) | |
74 | { | |
75 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
76 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
77 | struct soc_mixer_control *mc = | |
78 | (struct soc_mixer_control *)kcontrol->private_value; | |
79 | ||
80 | return tasdevice_digital_putvol(tas_priv, ucontrol, mc); | |
81 | } | |
82 | ||
83 | static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, | |
84 | struct snd_ctl_elem_value *ucontrol) | |
85 | { | |
86 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
87 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
88 | struct soc_mixer_control *mc = | |
89 | (struct soc_mixer_control *)kcontrol->private_value; | |
90 | ||
91 | return tasdevice_amp_getvol(tas_priv, ucontrol, mc); | |
92 | } | |
93 | ||
94 | static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, | |
95 | struct snd_ctl_elem_value *ucontrol) | |
96 | { | |
97 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
98 | struct tasdevice_priv *tas_priv = | |
99 | snd_soc_component_get_drvdata(codec); | |
100 | struct soc_mixer_control *mc = | |
101 | (struct soc_mixer_control *)kcontrol->private_value; | |
102 | ||
103 | return tasdevice_amp_putvol(tas_priv, ucontrol, mc); | |
104 | } | |
105 | ||
106 | static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, | |
107 | struct snd_ctl_elem_value *ucontrol) | |
108 | { | |
109 | struct snd_soc_component *component = | |
110 | snd_soc_kcontrol_component(kcontrol); | |
111 | struct tasdevice_priv *tas_priv = | |
112 | snd_soc_component_get_drvdata(component); | |
113 | ||
114 | ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status; | |
115 | dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, | |
116 | tas_priv->force_fwload_status ? "ON" : "OFF"); | |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
121 | static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, | |
122 | struct snd_ctl_elem_value *ucontrol) | |
123 | { | |
124 | struct snd_soc_component *component = | |
125 | snd_soc_kcontrol_component(kcontrol); | |
126 | struct tasdevice_priv *tas_priv = | |
127 | snd_soc_component_get_drvdata(component); | |
128 | bool change, val = (bool)ucontrol->value.integer.value[0]; | |
129 | ||
130 | if (tas_priv->force_fwload_status == val) | |
131 | change = false; | |
132 | else { | |
133 | change = true; | |
134 | tas_priv->force_fwload_status = val; | |
135 | } | |
136 | dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, | |
137 | tas_priv->force_fwload_status ? "ON" : "OFF"); | |
138 | ||
139 | return change; | |
140 | } | |
141 | ||
142 | static const struct snd_kcontrol_new tas2781_snd_controls[] = { | |
143 | SOC_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL, | |
144 | 1, 0, 20, 0, tas2781_amp_getvol, | |
145 | tas2781_amp_putvol, amp_vol_tlv), | |
146 | SOC_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL, | |
147 | 0, 0, 200, 1, tas2781_digital_getvol, | |
148 | tas2781_digital_putvol, dvc_tlv), | |
149 | SOC_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0, | |
150 | tas2781_force_fwload_get, tas2781_force_fwload_put), | |
151 | }; | |
152 | ||
153 | static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol, | |
154 | struct snd_ctl_elem_value *ucontrol) | |
155 | { | |
156 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
157 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
158 | int ret = 0; | |
159 | ||
160 | if (tas_priv->rcabin.profile_cfg_id != | |
161 | ucontrol->value.integer.value[0]) { | |
162 | tas_priv->rcabin.profile_cfg_id = | |
163 | ucontrol->value.integer.value[0]; | |
164 | ret = 1; | |
165 | } | |
166 | ||
167 | return ret; | |
168 | } | |
169 | ||
170 | static int tasdevice_info_programs(struct snd_kcontrol *kcontrol, | |
171 | struct snd_ctl_elem_info *uinfo) | |
172 | { | |
173 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
174 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
175 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
176 | ||
177 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
178 | uinfo->count = 1; | |
179 | uinfo->value.integer.min = 0; | |
180 | uinfo->value.integer.max = (int)tas_fw->nr_programs; | |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
185 | static int tasdevice_info_configurations( | |
186 | struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) | |
187 | { | |
188 | struct snd_soc_component *codec = | |
189 | snd_soc_kcontrol_component(kcontrol); | |
190 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
191 | struct tasdevice_fw *tas_fw = tas_priv->fmw; | |
192 | ||
193 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
194 | uinfo->count = 1; | |
195 | uinfo->value.integer.min = 0; | |
196 | uinfo->value.integer.max = (int)tas_fw->nr_configurations - 1; | |
197 | ||
198 | return 0; | |
199 | } | |
200 | ||
201 | static int tasdevice_info_profile(struct snd_kcontrol *kcontrol, | |
202 | struct snd_ctl_elem_info *uinfo) | |
203 | { | |
204 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
205 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
206 | ||
207 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
208 | uinfo->count = 1; | |
209 | uinfo->value.integer.min = 0; | |
210 | uinfo->value.integer.max = tas_priv->rcabin.ncfgs - 1; | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, | |
216 | struct snd_ctl_elem_value *ucontrol) | |
217 | { | |
218 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
219 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
220 | ||
221 | ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id; | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
226 | static int tasdevice_create_control(struct tasdevice_priv *tas_priv) | |
227 | { | |
228 | struct snd_kcontrol_new *prof_ctrls; | |
229 | int nr_controls = 1; | |
230 | int mix_index = 0; | |
231 | int ret; | |
232 | char *name; | |
233 | ||
234 | prof_ctrls = devm_kcalloc(tas_priv->dev, nr_controls, | |
235 | sizeof(prof_ctrls[0]), GFP_KERNEL); | |
236 | if (!prof_ctrls) { | |
237 | ret = -ENOMEM; | |
238 | goto out; | |
239 | } | |
240 | ||
241 | /* Create a mixer item for selecting the active profile */ | |
242 | name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, | |
243 | GFP_KERNEL); | |
244 | if (!name) { | |
245 | ret = -ENOMEM; | |
246 | goto out; | |
247 | } | |
248 | scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Speaker Profile Id"); | |
249 | prof_ctrls[mix_index].name = name; | |
250 | prof_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
251 | prof_ctrls[mix_index].info = tasdevice_info_profile; | |
252 | prof_ctrls[mix_index].get = tasdevice_get_profile_id; | |
253 | prof_ctrls[mix_index].put = tasdevice_set_profile_id; | |
254 | mix_index++; | |
255 | ||
256 | ret = snd_soc_add_component_controls(tas_priv->codec, | |
257 | prof_ctrls, nr_controls < mix_index ? nr_controls : mix_index); | |
258 | ||
259 | out: | |
260 | return ret; | |
261 | } | |
262 | ||
263 | static int tasdevice_program_get(struct snd_kcontrol *kcontrol, | |
264 | struct snd_ctl_elem_value *ucontrol) | |
265 | { | |
266 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
267 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
268 | ||
269 | ucontrol->value.integer.value[0] = tas_priv->cur_prog; | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
274 | static int tasdevice_program_put(struct snd_kcontrol *kcontrol, | |
275 | struct snd_ctl_elem_value *ucontrol) | |
276 | { | |
277 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
278 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
279 | unsigned int nr_program = ucontrol->value.integer.value[0]; | |
280 | int ret = 0; | |
281 | ||
282 | if (tas_priv->cur_prog != nr_program) { | |
283 | tas_priv->cur_prog = nr_program; | |
284 | ret = 1; | |
285 | } | |
286 | ||
287 | return ret; | |
288 | } | |
289 | ||
290 | static int tasdevice_configuration_get(struct snd_kcontrol *kcontrol, | |
291 | struct snd_ctl_elem_value *ucontrol) | |
292 | { | |
293 | ||
294 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
295 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
296 | ||
297 | ucontrol->value.integer.value[0] = tas_priv->cur_conf; | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
302 | static int tasdevice_configuration_put( | |
303 | struct snd_kcontrol *kcontrol, | |
304 | struct snd_ctl_elem_value *ucontrol) | |
305 | { | |
306 | struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); | |
307 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
308 | unsigned int nr_configuration = ucontrol->value.integer.value[0]; | |
309 | int ret = 0; | |
310 | ||
311 | if (tas_priv->cur_conf != nr_configuration) { | |
312 | tas_priv->cur_conf = nr_configuration; | |
313 | ret = 1; | |
314 | } | |
315 | ||
316 | return ret; | |
317 | } | |
318 | ||
319 | static int tasdevice_dsp_create_ctrls( | |
320 | struct tasdevice_priv *tas_priv) | |
321 | { | |
322 | struct snd_kcontrol_new *dsp_ctrls; | |
323 | char *prog_name, *conf_name; | |
324 | int nr_controls = 2; | |
325 | int mix_index = 0; | |
326 | int ret; | |
327 | ||
328 | /* Alloc kcontrol via devm_kzalloc, which don't manually | |
329 | * free the kcontrol | |
330 | */ | |
331 | dsp_ctrls = devm_kcalloc(tas_priv->dev, nr_controls, | |
332 | sizeof(dsp_ctrls[0]), GFP_KERNEL); | |
333 | if (!dsp_ctrls) { | |
334 | ret = -ENOMEM; | |
335 | goto out; | |
336 | } | |
337 | ||
338 | /* Create a mixer item for selecting the active profile */ | |
339 | prog_name = devm_kzalloc(tas_priv->dev, | |
340 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); | |
341 | conf_name = devm_kzalloc(tas_priv->dev, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, | |
342 | GFP_KERNEL); | |
343 | if (!prog_name || !conf_name) { | |
344 | ret = -ENOMEM; | |
345 | goto out; | |
346 | } | |
347 | ||
348 | scnprintf(prog_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, | |
349 | "Speaker Program Id"); | |
350 | dsp_ctrls[mix_index].name = prog_name; | |
351 | dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
352 | dsp_ctrls[mix_index].info = tasdevice_info_programs; | |
353 | dsp_ctrls[mix_index].get = tasdevice_program_get; | |
354 | dsp_ctrls[mix_index].put = tasdevice_program_put; | |
355 | mix_index++; | |
356 | ||
357 | scnprintf(conf_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, | |
358 | "Speaker Config Id"); | |
359 | dsp_ctrls[mix_index].name = conf_name; | |
360 | dsp_ctrls[mix_index].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
361 | dsp_ctrls[mix_index].info = tasdevice_info_configurations; | |
362 | dsp_ctrls[mix_index].get = tasdevice_configuration_get; | |
363 | dsp_ctrls[mix_index].put = tasdevice_configuration_put; | |
364 | mix_index++; | |
365 | ||
366 | ret = snd_soc_add_component_controls(tas_priv->codec, dsp_ctrls, | |
367 | nr_controls < mix_index ? nr_controls : mix_index); | |
368 | ||
369 | out: | |
370 | return ret; | |
371 | } | |
372 | ||
373 | static void tasdevice_fw_ready(const struct firmware *fmw, | |
374 | void *context) | |
375 | { | |
376 | struct tasdevice_priv *tas_priv = context; | |
377 | int ret = 0; | |
378 | int i; | |
379 | ||
380 | mutex_lock(&tas_priv->codec_lock); | |
381 | ||
382 | ret = tasdevice_rca_parser(tas_priv, fmw); | |
383 | if (ret) | |
384 | goto out; | |
385 | tasdevice_create_control(tas_priv); | |
386 | ||
387 | tasdevice_dsp_remove(tas_priv); | |
388 | tasdevice_calbin_remove(tas_priv); | |
389 | tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; | |
390 | scnprintf(tas_priv->coef_binaryname, 64, "%s_coef.bin", | |
391 | tas_priv->dev_name); | |
392 | ret = tasdevice_dsp_parser(tas_priv); | |
393 | if (ret) { | |
394 | dev_err(tas_priv->dev, "dspfw load %s error\n", | |
395 | tas_priv->coef_binaryname); | |
396 | tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL; | |
397 | goto out; | |
398 | } | |
399 | tasdevice_dsp_create_ctrls(tas_priv); | |
400 | ||
401 | tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; | |
402 | ||
403 | /* If calibrated data occurs error, dsp will still works with default | |
404 | * calibrated data inside algo. | |
405 | */ | |
406 | for (i = 0; i < tas_priv->ndev; i++) { | |
407 | scnprintf(tas_priv->cal_binaryname[i], 64, "%s_cal_0x%02x.bin", | |
408 | tas_priv->dev_name, tas_priv->tasdevice[i].dev_addr); | |
409 | ret = tas2781_load_calibration(tas_priv, | |
410 | tas_priv->cal_binaryname[i], i); | |
411 | if (ret != 0) | |
412 | dev_err(tas_priv->dev, | |
413 | "%s: load %s error, default will effect\n", | |
414 | __func__, tas_priv->cal_binaryname[i]); | |
415 | } | |
416 | ||
417 | tasdevice_prmg_calibdata_load(tas_priv, 0); | |
418 | tas_priv->cur_prog = 0; | |
419 | out: | |
420 | if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) { | |
421 | /*If DSP FW fail, kcontrol won't be created */ | |
422 | tasdevice_config_info_remove(tas_priv); | |
423 | tasdevice_dsp_remove(tas_priv); | |
424 | } | |
425 | mutex_unlock(&tas_priv->codec_lock); | |
426 | if (fmw) | |
427 | release_firmware(fmw); | |
428 | } | |
429 | ||
430 | static int tasdevice_dapm_event(struct snd_soc_dapm_widget *w, | |
431 | struct snd_kcontrol *kcontrol, int event) | |
432 | { | |
433 | struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); | |
434 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
435 | int state = 0; | |
436 | ||
437 | /* Codec Lock Hold */ | |
438 | mutex_lock(&tas_priv->codec_lock); | |
439 | if (event == SND_SOC_DAPM_PRE_PMD) | |
440 | state = 1; | |
441 | tasdevice_tuning_switch(tas_priv, state); | |
442 | /* Codec Lock Release*/ | |
443 | mutex_unlock(&tas_priv->codec_lock); | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
448 | static const struct snd_soc_dapm_widget tasdevice_dapm_widgets[] = { | |
449 | SND_SOC_DAPM_AIF_IN("ASI", "ASI Playback", 0, SND_SOC_NOPM, 0, 0), | |
450 | SND_SOC_DAPM_AIF_OUT_E("ASI OUT", "ASI Capture", 0, SND_SOC_NOPM, | |
451 | 0, 0, tasdevice_dapm_event, | |
452 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), | |
453 | SND_SOC_DAPM_SPK("SPK", tasdevice_dapm_event), | |
454 | SND_SOC_DAPM_OUTPUT("OUT"), | |
455 | SND_SOC_DAPM_INPUT("DMIC") | |
456 | }; | |
457 | ||
458 | static const struct snd_soc_dapm_route tasdevice_audio_map[] = { | |
459 | {"SPK", NULL, "ASI"}, | |
460 | {"OUT", NULL, "SPK"}, | |
461 | {"ASI OUT", NULL, "DMIC"} | |
462 | }; | |
463 | ||
464 | static int tasdevice_startup(struct snd_pcm_substream *substream, | |
465 | struct snd_soc_dai *dai) | |
466 | { | |
467 | struct snd_soc_component *codec = dai->component; | |
468 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
469 | int ret = 0; | |
470 | ||
471 | if (tas_priv->fw_state != TASDEVICE_DSP_FW_ALL_OK) { | |
472 | dev_err(tas_priv->dev, "DSP bin file not loaded\n"); | |
473 | ret = -EINVAL; | |
474 | } | |
475 | ||
476 | return ret; | |
477 | } | |
478 | ||
479 | static int tasdevice_hw_params(struct snd_pcm_substream *substream, | |
480 | struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) | |
481 | { | |
482 | struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(dai); | |
483 | unsigned int slot_width; | |
484 | unsigned int fsrate; | |
485 | int bclk_rate; | |
486 | int rc = 0; | |
487 | ||
488 | fsrate = params_rate(params); | |
489 | switch (fsrate) { | |
490 | case 48000: | |
491 | case 44100: | |
492 | break; | |
493 | default: | |
494 | dev_err(tas_priv->dev, "%s: incorrect sample rate = %u\n", | |
495 | __func__, fsrate); | |
496 | rc = -EINVAL; | |
497 | goto out; | |
498 | } | |
499 | ||
500 | slot_width = params_width(params); | |
501 | switch (slot_width) { | |
502 | case 16: | |
503 | case 20: | |
504 | case 24: | |
505 | case 32: | |
506 | break; | |
507 | default: | |
508 | dev_err(tas_priv->dev, "%s: incorrect slot width = %u\n", | |
509 | __func__, slot_width); | |
510 | rc = -EINVAL; | |
511 | goto out; | |
512 | } | |
513 | ||
514 | bclk_rate = snd_soc_params_to_bclk(params); | |
515 | if (bclk_rate < 0) { | |
516 | dev_err(tas_priv->dev, "%s: incorrect bclk rate = %d\n", | |
517 | __func__, bclk_rate); | |
518 | rc = bclk_rate; | |
519 | goto out; | |
520 | } | |
521 | ||
522 | out: | |
523 | return rc; | |
524 | } | |
525 | ||
526 | static int tasdevice_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
527 | int clk_id, unsigned int freq, int dir) | |
528 | { | |
529 | struct tasdevice_priv *tas_priv = snd_soc_dai_get_drvdata(codec_dai); | |
530 | ||
531 | tas_priv->sysclk = freq; | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
536 | static const struct snd_soc_dai_ops tasdevice_dai_ops = { | |
537 | .startup = tasdevice_startup, | |
538 | .hw_params = tasdevice_hw_params, | |
539 | .set_sysclk = tasdevice_set_dai_sysclk, | |
540 | }; | |
541 | ||
542 | static struct snd_soc_dai_driver tasdevice_dai_driver[] = { | |
543 | { | |
544 | .name = "tas2781_codec", | |
545 | .id = 0, | |
546 | .playback = { | |
547 | .stream_name = "Playback", | |
548 | .channels_min = 1, | |
549 | .channels_max = 4, | |
550 | .rates = TASDEVICE_RATES, | |
551 | .formats = TASDEVICE_FORMATS, | |
552 | }, | |
553 | .capture = { | |
554 | .stream_name = "Capture", | |
555 | .channels_min = 1, | |
556 | .channels_max = 4, | |
557 | .rates = TASDEVICE_RATES, | |
558 | .formats = TASDEVICE_FORMATS, | |
559 | }, | |
560 | .ops = &tasdevice_dai_ops, | |
561 | .symmetric_rate = 1, | |
562 | }, | |
563 | }; | |
564 | ||
565 | static int tasdevice_codec_probe(struct snd_soc_component *codec) | |
566 | { | |
567 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
568 | ||
34a10669 | 569 | return tascodec_init(tas_priv, codec, THIS_MODULE, tasdevice_fw_ready); |
ef3bcde7 SD |
570 | } |
571 | ||
572 | static void tasdevice_deinit(void *context) | |
573 | { | |
574 | struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context; | |
575 | ||
576 | tasdevice_config_info_remove(tas_priv); | |
577 | tasdevice_dsp_remove(tas_priv); | |
578 | tasdevice_calbin_remove(tas_priv); | |
579 | tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; | |
580 | } | |
581 | ||
582 | static void tasdevice_codec_remove( | |
583 | struct snd_soc_component *codec) | |
584 | { | |
585 | struct tasdevice_priv *tas_priv = snd_soc_component_get_drvdata(codec); | |
586 | ||
587 | tasdevice_deinit(tas_priv); | |
588 | } | |
589 | ||
590 | static const struct snd_soc_component_driver | |
591 | soc_codec_driver_tasdevice = { | |
592 | .probe = tasdevice_codec_probe, | |
593 | .remove = tasdevice_codec_remove, | |
594 | .controls = tas2781_snd_controls, | |
595 | .num_controls = ARRAY_SIZE(tas2781_snd_controls), | |
596 | .dapm_widgets = tasdevice_dapm_widgets, | |
597 | .num_dapm_widgets = ARRAY_SIZE(tasdevice_dapm_widgets), | |
598 | .dapm_routes = tasdevice_audio_map, | |
599 | .num_dapm_routes = ARRAY_SIZE(tasdevice_audio_map), | |
600 | .idle_bias_on = 1, | |
601 | .endianness = 1, | |
602 | }; | |
603 | ||
604 | static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv) | |
605 | { | |
606 | struct i2c_client *client = (struct i2c_client *)tas_priv->client; | |
607 | unsigned int dev_addrs[TASDEVICE_MAX_CHANNELS]; | |
608 | int rc, i, ndev = 0; | |
609 | ||
610 | if (tas_priv->isacpi) { | |
611 | ndev = device_property_read_u32_array(&client->dev, | |
612 | "ti,audio-slots", NULL, 0); | |
613 | if (ndev <= 0) { | |
614 | ndev = 1; | |
615 | dev_addrs[0] = client->addr; | |
616 | } else { | |
617 | ndev = (ndev < ARRAY_SIZE(dev_addrs)) | |
618 | ? ndev : ARRAY_SIZE(dev_addrs); | |
619 | ndev = device_property_read_u32_array(&client->dev, | |
620 | "ti,audio-slots", dev_addrs, ndev); | |
621 | } | |
622 | ||
623 | tas_priv->irq_info.irq_gpio = | |
624 | acpi_dev_gpio_irq_get(ACPI_COMPANION(&client->dev), 0); | |
625 | } else { | |
626 | struct device_node *np = tas_priv->dev->of_node; | |
627 | #ifdef CONFIG_OF | |
628 | const __be32 *reg, *reg_end; | |
629 | int len, sw, aw; | |
630 | ||
631 | aw = of_n_addr_cells(np); | |
632 | sw = of_n_size_cells(np); | |
633 | if (sw == 0) { | |
634 | reg = (const __be32 *)of_get_property(np, | |
635 | "reg", &len); | |
636 | reg_end = reg + len/sizeof(*reg); | |
637 | ndev = 0; | |
638 | do { | |
639 | dev_addrs[ndev] = of_read_number(reg, aw); | |
640 | reg += aw; | |
641 | ndev++; | |
642 | } while (reg < reg_end); | |
643 | } else { | |
644 | ndev = 1; | |
645 | dev_addrs[0] = client->addr; | |
646 | } | |
647 | #else | |
648 | ndev = 1; | |
649 | dev_addrs[0] = client->addr; | |
650 | #endif | |
651 | tas_priv->irq_info.irq_gpio = of_irq_get(np, 0); | |
652 | } | |
653 | tas_priv->ndev = ndev; | |
654 | for (i = 0; i < ndev; i++) | |
655 | tas_priv->tasdevice[i].dev_addr = dev_addrs[i]; | |
656 | ||
657 | tas_priv->reset = devm_gpiod_get_optional(&client->dev, | |
658 | "reset-gpios", GPIOD_OUT_HIGH); | |
659 | if (IS_ERR(tas_priv->reset)) | |
660 | dev_err(tas_priv->dev, "%s Can't get reset GPIO\n", | |
661 | __func__); | |
662 | ||
663 | strcpy(tas_priv->dev_name, tasdevice_id[tas_priv->chip_id].name); | |
664 | ||
665 | if (gpio_is_valid(tas_priv->irq_info.irq_gpio)) { | |
666 | rc = gpio_request(tas_priv->irq_info.irq_gpio, | |
667 | "AUDEV-IRQ"); | |
668 | if (!rc) { | |
669 | gpio_direction_input( | |
670 | tas_priv->irq_info.irq_gpio); | |
671 | ||
672 | tas_priv->irq_info.irq = | |
673 | gpio_to_irq(tas_priv->irq_info.irq_gpio); | |
674 | } else | |
675 | dev_err(tas_priv->dev, "%s: GPIO %d request error\n", | |
676 | __func__, tas_priv->irq_info.irq_gpio); | |
677 | } else | |
678 | dev_err(tas_priv->dev, | |
679 | "Looking up irq-gpio property failed %d\n", | |
680 | tas_priv->irq_info.irq_gpio); | |
681 | } | |
682 | ||
683 | static int tasdevice_i2c_probe(struct i2c_client *i2c) | |
684 | { | |
685 | const struct i2c_device_id *id = i2c_match_id(tasdevice_id, i2c); | |
686 | const struct acpi_device_id *acpi_id; | |
687 | struct tasdevice_priv *tas_priv; | |
688 | int ret; | |
689 | ||
690 | tas_priv = tasdevice_kzalloc(i2c); | |
691 | if (!tas_priv) | |
692 | return -ENOMEM; | |
693 | ||
e7aa1056 GK |
694 | dev_set_drvdata(&i2c->dev, tas_priv); |
695 | ||
ef3bcde7 SD |
696 | if (ACPI_HANDLE(&i2c->dev)) { |
697 | acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, | |
698 | &i2c->dev); | |
699 | if (!acpi_id) { | |
700 | dev_err(&i2c->dev, "No driver data\n"); | |
701 | ret = -EINVAL; | |
702 | goto err; | |
703 | } | |
704 | tas_priv->chip_id = acpi_id->driver_data; | |
705 | tas_priv->isacpi = true; | |
706 | } else { | |
707 | tas_priv->chip_id = id ? id->driver_data : 0; | |
708 | tas_priv->isacpi = false; | |
709 | } | |
710 | ||
711 | tasdevice_parse_dt(tas_priv); | |
712 | ||
713 | ret = tasdevice_init(tas_priv); | |
714 | if (ret) | |
715 | goto err; | |
716 | ||
717 | ret = devm_snd_soc_register_component(tas_priv->dev, | |
718 | &soc_codec_driver_tasdevice, | |
719 | tasdevice_dai_driver, ARRAY_SIZE(tasdevice_dai_driver)); | |
720 | if (ret) { | |
721 | dev_err(tas_priv->dev, "%s: codec register error:0x%08x\n", | |
722 | __func__, ret); | |
723 | goto err; | |
724 | } | |
725 | err: | |
726 | if (ret < 0) | |
727 | tasdevice_remove(tas_priv); | |
728 | return ret; | |
729 | } | |
730 | ||
731 | static void tasdevice_i2c_remove(struct i2c_client *client) | |
732 | { | |
733 | struct tasdevice_priv *tas_priv = i2c_get_clientdata(client); | |
734 | ||
735 | tasdevice_remove(tas_priv); | |
736 | } | |
737 | ||
738 | #ifdef CONFIG_ACPI | |
739 | static const struct acpi_device_id tasdevice_acpi_match[] = { | |
740 | { "TAS2781", TAS2781 }, | |
741 | {}, | |
742 | }; | |
743 | ||
744 | MODULE_DEVICE_TABLE(acpi, tasdevice_acpi_match); | |
745 | #endif | |
746 | ||
747 | static struct i2c_driver tasdevice_i2c_driver = { | |
748 | .driver = { | |
749 | .name = "tas2781-codec", | |
ef3bcde7 SD |
750 | .of_match_table = of_match_ptr(tasdevice_of_match), |
751 | #ifdef CONFIG_ACPI | |
752 | .acpi_match_table = ACPI_PTR(tasdevice_acpi_match), | |
753 | #endif | |
754 | }, | |
755 | .probe = tasdevice_i2c_probe, | |
756 | .remove = tasdevice_i2c_remove, | |
757 | .id_table = tasdevice_id, | |
758 | }; | |
759 | ||
760 | module_i2c_driver(tasdevice_i2c_driver); | |
761 | ||
762 | MODULE_AUTHOR("Shenghao Ding <shenghao-ding@ti.com>"); | |
763 | MODULE_AUTHOR("Kevin Lu <kevin-lu@ti.com>"); | |
764 | MODULE_DESCRIPTION("ASoC TAS2781 Driver"); | |
765 | MODULE_LICENSE("GPL"); | |
766 | MODULE_IMPORT_NS(SND_SOC_TAS2781_FMWLIB); |