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17119a46 FY |
1 | /* |
2 | * cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based | |
3 | * platforms Cherrytrail and Braswell, with max98090 & TI codec. | |
4 | * | |
5 | * Copyright (C) 2015 Intel Corp | |
6 | * Author: Fang, Yang A <yang.a.fang@intel.com> | |
7 | * This file is modified from cht_bsw_rt5645.c | |
8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/platform_device.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/acpi.h> | |
26 | #include <sound/pcm.h> | |
27 | #include <sound/pcm_params.h> | |
28 | #include <sound/soc.h> | |
29 | #include <sound/jack.h> | |
30 | #include "../../codecs/max98090.h" | |
31 | #include "../atom/sst-atom-controls.h" | |
32 | #include "../../codecs/ts3a227e.h" | |
33 | ||
34 | #define CHT_PLAT_CLK_3_HZ 19200000 | |
35 | #define CHT_CODEC_DAI "HiFi" | |
36 | ||
37 | struct cht_mc_private { | |
38 | struct snd_soc_jack jack; | |
39 | bool ts3a227e_present; | |
40 | }; | |
41 | ||
42 | static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card) | |
43 | { | |
44 | int i; | |
45 | ||
46 | for (i = 0; i < card->num_rtd; i++) { | |
47 | struct snd_soc_pcm_runtime *rtd; | |
48 | ||
49 | rtd = card->rtd + i; | |
50 | if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI, | |
51 | strlen(CHT_CODEC_DAI))) | |
52 | return rtd->codec_dai; | |
53 | } | |
54 | return NULL; | |
55 | } | |
56 | ||
57 | static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { | |
58 | SND_SOC_DAPM_HP("Headphone", NULL), | |
59 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
60 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
61 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
62 | }; | |
63 | ||
64 | static const struct snd_soc_dapm_route cht_audio_map[] = { | |
65 | {"IN34", NULL, "Headset Mic"}, | |
66 | {"Headset Mic", NULL, "MICBIAS"}, | |
67 | {"DMICL", NULL, "Int Mic"}, | |
68 | {"Headphone", NULL, "HPL"}, | |
69 | {"Headphone", NULL, "HPR"}, | |
70 | {"Ext Spk", NULL, "SPKL"}, | |
71 | {"Ext Spk", NULL, "SPKR"}, | |
8bc76c8b | 72 | {"HiFi Playback", NULL, "ssp2 Tx"}, |
17119a46 FY |
73 | {"ssp2 Tx", NULL, "codec_out0"}, |
74 | {"ssp2 Tx", NULL, "codec_out1"}, | |
75 | {"codec_in0", NULL, "ssp2 Rx" }, | |
76 | {"codec_in1", NULL, "ssp2 Rx" }, | |
8bc76c8b | 77 | {"ssp2 Rx", NULL, "HiFi Capture"}, |
17119a46 FY |
78 | }; |
79 | ||
80 | static const struct snd_kcontrol_new cht_mc_controls[] = { | |
81 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
82 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
83 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
84 | SOC_DAPM_PIN_SWITCH("Ext Spk"), | |
85 | }; | |
86 | ||
87 | static int cht_aif1_hw_params(struct snd_pcm_substream *substream, | |
88 | struct snd_pcm_hw_params *params) | |
89 | { | |
90 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
91 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
92 | int ret; | |
93 | ||
94 | ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK, | |
95 | CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN); | |
96 | if (ret < 0) { | |
97 | dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); | |
98 | return ret; | |
99 | } | |
100 | ||
101 | return 0; | |
102 | } | |
103 | ||
e8ed6702 FY |
104 | static int cht_ti_jack_event(struct notifier_block *nb, |
105 | unsigned long event, void *data) | |
106 | { | |
e8ed6702 | 107 | struct snd_soc_jack *jack = (struct snd_soc_jack *)data; |
c68c2be5 | 108 | struct snd_soc_dapm_context *dapm = &jack->card->dapm; |
e8ed6702 FY |
109 | |
110 | if (event & SND_JACK_MICROPHONE) { | |
c68c2be5 LPC |
111 | snd_soc_dapm_force_enable_pin(dapm, "SHDN"); |
112 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); | |
113 | snd_soc_dapm_sync(dapm); | |
e8ed6702 | 114 | } else { |
c68c2be5 LPC |
115 | snd_soc_dapm_disable_pin(dapm, "MICBIAS"); |
116 | snd_soc_dapm_disable_pin(dapm, "SHDN"); | |
117 | snd_soc_dapm_sync(dapm); | |
e8ed6702 FY |
118 | } |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
123 | static struct notifier_block cht_jack_nb = { | |
124 | .notifier_call = cht_ti_jack_event, | |
125 | }; | |
126 | ||
17119a46 FY |
127 | static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) |
128 | { | |
129 | int ret; | |
130 | int jack_type; | |
131 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); | |
132 | struct snd_soc_jack *jack = &ctx->jack; | |
133 | ||
134 | /** | |
135 | * TI supports 4 butons headset detection | |
136 | * KEY_MEDIA | |
137 | * KEY_VOICECOMMAND | |
138 | * KEY_VOLUMEUP | |
139 | * KEY_VOLUMEDOWN | |
140 | */ | |
141 | if (ctx->ts3a227e_present) | |
142 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | | |
143 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | | |
144 | SND_JACK_BTN_2 | SND_JACK_BTN_3; | |
145 | else | |
146 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE; | |
147 | ||
148 | ret = snd_soc_card_jack_new(runtime->card, "Headset Jack", | |
149 | jack_type, jack, NULL, 0); | |
150 | ||
151 | if (ret) { | |
152 | dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret); | |
153 | return ret; | |
154 | } | |
155 | ||
e8ed6702 FY |
156 | if (ctx->ts3a227e_present) |
157 | snd_soc_jack_notifier_register(jack, &cht_jack_nb); | |
158 | ||
17119a46 FY |
159 | return ret; |
160 | } | |
161 | ||
162 | static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd, | |
163 | struct snd_pcm_hw_params *params) | |
164 | { | |
165 | struct snd_interval *rate = hw_param_interval(params, | |
166 | SNDRV_PCM_HW_PARAM_RATE); | |
167 | struct snd_interval *channels = hw_param_interval(params, | |
168 | SNDRV_PCM_HW_PARAM_CHANNELS); | |
169 | int ret = 0; | |
170 | unsigned int fmt = 0; | |
171 | ||
172 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16); | |
173 | if (ret < 0) { | |
174 | dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret); | |
175 | return ret; | |
176 | } | |
177 | ||
178 | fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | |
179 | | SND_SOC_DAIFMT_CBS_CFS; | |
180 | ||
181 | ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt); | |
182 | if (ret < 0) { | |
183 | dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret); | |
184 | return ret; | |
185 | } | |
186 | ||
187 | /* The DSP will covert the FE rate to 48k, stereo, 24bits */ | |
188 | rate->min = rate->max = 48000; | |
189 | channels->min = channels->max = 2; | |
190 | ||
191 | /* set SSP2 to 24-bit */ | |
26f63c69 | 192 | params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); |
17119a46 FY |
193 | return 0; |
194 | } | |
195 | ||
196 | static unsigned int rates_48000[] = { | |
197 | 48000, | |
198 | }; | |
199 | ||
200 | static struct snd_pcm_hw_constraint_list constraints_48000 = { | |
201 | .count = ARRAY_SIZE(rates_48000), | |
202 | .list = rates_48000, | |
203 | }; | |
204 | ||
205 | static int cht_aif1_startup(struct snd_pcm_substream *substream) | |
206 | { | |
207 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | |
208 | SNDRV_PCM_HW_PARAM_RATE, | |
209 | &constraints_48000); | |
210 | } | |
211 | ||
212 | static int cht_max98090_headset_init(struct snd_soc_component *component) | |
213 | { | |
214 | struct snd_soc_card *card = component->card; | |
215 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card); | |
216 | ||
217 | return ts3a227e_enable_jack_detect(component, &ctx->jack); | |
218 | } | |
219 | ||
220 | static struct snd_soc_ops cht_aif1_ops = { | |
221 | .startup = cht_aif1_startup, | |
222 | }; | |
223 | ||
224 | static struct snd_soc_ops cht_be_ssp2_ops = { | |
225 | .hw_params = cht_aif1_hw_params, | |
226 | }; | |
227 | ||
228 | static struct snd_soc_aux_dev cht_max98090_headset_dev = { | |
229 | .name = "Headset Chip", | |
230 | .init = cht_max98090_headset_init, | |
231 | .codec_name = "i2c-104C227E:00", | |
232 | }; | |
233 | ||
234 | static struct snd_soc_dai_link cht_dailink[] = { | |
235 | [MERR_DPCM_AUDIO] = { | |
236 | .name = "Audio Port", | |
237 | .stream_name = "Audio", | |
238 | .cpu_dai_name = "media-cpu-dai", | |
239 | .codec_dai_name = "snd-soc-dummy-dai", | |
240 | .codec_name = "snd-soc-dummy", | |
241 | .platform_name = "sst-mfld-platform", | |
242 | .nonatomic = true, | |
243 | .dynamic = 1, | |
244 | .dpcm_playback = 1, | |
245 | .dpcm_capture = 1, | |
246 | .ops = &cht_aif1_ops, | |
247 | }, | |
248 | [MERR_DPCM_COMPR] = { | |
249 | .name = "Compressed Port", | |
250 | .stream_name = "Compress", | |
251 | .cpu_dai_name = "compress-cpu-dai", | |
252 | .codec_dai_name = "snd-soc-dummy-dai", | |
253 | .codec_name = "snd-soc-dummy", | |
254 | .platform_name = "sst-mfld-platform", | |
255 | }, | |
256 | /* back ends */ | |
257 | { | |
258 | .name = "SSP2-Codec", | |
259 | .be_id = 1, | |
260 | .cpu_dai_name = "ssp2-port", | |
261 | .platform_name = "sst-mfld-platform", | |
262 | .no_pcm = 1, | |
263 | .codec_dai_name = "HiFi", | |
264 | .codec_name = "i2c-193C9890:00", | |
265 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
266 | | SND_SOC_DAIFMT_CBS_CFS, | |
267 | .init = cht_codec_init, | |
268 | .be_hw_params_fixup = cht_codec_fixup, | |
269 | .dpcm_playback = 1, | |
270 | .dpcm_capture = 1, | |
271 | .ops = &cht_be_ssp2_ops, | |
272 | }, | |
273 | }; | |
274 | ||
275 | /* SoC card */ | |
276 | static struct snd_soc_card snd_soc_card_cht = { | |
277 | .name = "chtmax98090", | |
54d8697f | 278 | .owner = THIS_MODULE, |
17119a46 FY |
279 | .dai_link = cht_dailink, |
280 | .num_links = ARRAY_SIZE(cht_dailink), | |
281 | .aux_dev = &cht_max98090_headset_dev, | |
282 | .num_aux_devs = 1, | |
283 | .dapm_widgets = cht_dapm_widgets, | |
284 | .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), | |
285 | .dapm_routes = cht_audio_map, | |
286 | .num_dapm_routes = ARRAY_SIZE(cht_audio_map), | |
287 | .controls = cht_mc_controls, | |
288 | .num_controls = ARRAY_SIZE(cht_mc_controls), | |
289 | }; | |
290 | ||
291 | static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level, | |
292 | void *context, void **ret) | |
293 | { | |
294 | *(bool *)context = true; | |
295 | return AE_OK; | |
296 | } | |
297 | ||
298 | static int snd_cht_mc_probe(struct platform_device *pdev) | |
299 | { | |
300 | int ret_val = 0; | |
301 | bool found = false; | |
302 | struct cht_mc_private *drv; | |
303 | ||
304 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); | |
305 | if (!drv) | |
306 | return -ENOMEM; | |
307 | ||
308 | if (ACPI_SUCCESS(acpi_get_devices( | |
309 | "104C227E", | |
310 | snd_acpi_codec_match, | |
311 | &found, NULL)) && found) { | |
312 | drv->ts3a227e_present = true; | |
313 | } else { | |
314 | /* no need probe TI jack detection chip */ | |
315 | snd_soc_card_cht.aux_dev = NULL; | |
316 | snd_soc_card_cht.num_aux_devs = 0; | |
317 | drv->ts3a227e_present = false; | |
318 | } | |
319 | ||
320 | /* register the soc card */ | |
321 | snd_soc_card_cht.dev = &pdev->dev; | |
322 | snd_soc_card_set_drvdata(&snd_soc_card_cht, drv); | |
323 | ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht); | |
324 | if (ret_val) { | |
325 | dev_err(&pdev->dev, | |
326 | "snd_soc_register_card failed %d\n", ret_val); | |
327 | return ret_val; | |
328 | } | |
329 | platform_set_drvdata(pdev, &snd_soc_card_cht); | |
330 | return ret_val; | |
331 | } | |
332 | ||
333 | static struct platform_driver snd_cht_mc_driver = { | |
334 | .driver = { | |
335 | .name = "cht-bsw-max98090", | |
336 | }, | |
337 | .probe = snd_cht_mc_probe, | |
338 | }; | |
339 | ||
340 | module_platform_driver(snd_cht_mc_driver) | |
341 | ||
342 | MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver"); | |
343 | MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>"); | |
344 | MODULE_LICENSE("GPL v2"); | |
345 | MODULE_ALIAS("platform:cht-bsw-max98090"); |