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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 | { | |
1a497983 | 44 | struct snd_soc_pcm_runtime *rtd; |
17119a46 | 45 | |
1a497983 | 46 | list_for_each_entry(rtd, &card->rtd_list, list) { |
17119a46 FY |
47 | if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI, |
48 | strlen(CHT_CODEC_DAI))) | |
49 | return rtd->codec_dai; | |
50 | } | |
51 | return NULL; | |
52 | } | |
53 | ||
54 | static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { | |
55 | SND_SOC_DAPM_HP("Headphone", NULL), | |
56 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
57 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
58 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
59 | }; | |
60 | ||
61 | static const struct snd_soc_dapm_route cht_audio_map[] = { | |
62 | {"IN34", NULL, "Headset Mic"}, | |
63 | {"Headset Mic", NULL, "MICBIAS"}, | |
64 | {"DMICL", NULL, "Int Mic"}, | |
65 | {"Headphone", NULL, "HPL"}, | |
66 | {"Headphone", NULL, "HPR"}, | |
67 | {"Ext Spk", NULL, "SPKL"}, | |
68 | {"Ext Spk", NULL, "SPKR"}, | |
8bc76c8b | 69 | {"HiFi Playback", NULL, "ssp2 Tx"}, |
17119a46 FY |
70 | {"ssp2 Tx", NULL, "codec_out0"}, |
71 | {"ssp2 Tx", NULL, "codec_out1"}, | |
72 | {"codec_in0", NULL, "ssp2 Rx" }, | |
73 | {"codec_in1", NULL, "ssp2 Rx" }, | |
8bc76c8b | 74 | {"ssp2 Rx", NULL, "HiFi Capture"}, |
17119a46 FY |
75 | }; |
76 | ||
77 | static const struct snd_kcontrol_new cht_mc_controls[] = { | |
78 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
79 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
80 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
81 | SOC_DAPM_PIN_SWITCH("Ext Spk"), | |
82 | }; | |
83 | ||
84 | static int cht_aif1_hw_params(struct snd_pcm_substream *substream, | |
85 | struct snd_pcm_hw_params *params) | |
86 | { | |
87 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
88 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
89 | int ret; | |
90 | ||
91 | ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK, | |
92 | CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN); | |
93 | if (ret < 0) { | |
94 | dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); | |
95 | return ret; | |
96 | } | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
e8ed6702 FY |
101 | static int cht_ti_jack_event(struct notifier_block *nb, |
102 | unsigned long event, void *data) | |
103 | { | |
e8ed6702 | 104 | struct snd_soc_jack *jack = (struct snd_soc_jack *)data; |
c68c2be5 | 105 | struct snd_soc_dapm_context *dapm = &jack->card->dapm; |
e8ed6702 FY |
106 | |
107 | if (event & SND_JACK_MICROPHONE) { | |
c68c2be5 LPC |
108 | snd_soc_dapm_force_enable_pin(dapm, "SHDN"); |
109 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); | |
110 | snd_soc_dapm_sync(dapm); | |
e8ed6702 | 111 | } else { |
c68c2be5 LPC |
112 | snd_soc_dapm_disable_pin(dapm, "MICBIAS"); |
113 | snd_soc_dapm_disable_pin(dapm, "SHDN"); | |
114 | snd_soc_dapm_sync(dapm); | |
e8ed6702 FY |
115 | } |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | static struct notifier_block cht_jack_nb = { | |
121 | .notifier_call = cht_ti_jack_event, | |
122 | }; | |
123 | ||
17119a46 FY |
124 | static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) |
125 | { | |
126 | int ret; | |
127 | int jack_type; | |
128 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); | |
129 | struct snd_soc_jack *jack = &ctx->jack; | |
130 | ||
131 | /** | |
132 | * TI supports 4 butons headset detection | |
133 | * KEY_MEDIA | |
134 | * KEY_VOICECOMMAND | |
135 | * KEY_VOLUMEUP | |
136 | * KEY_VOLUMEDOWN | |
137 | */ | |
138 | if (ctx->ts3a227e_present) | |
139 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | | |
140 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | | |
141 | SND_JACK_BTN_2 | SND_JACK_BTN_3; | |
142 | else | |
143 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE; | |
144 | ||
145 | ret = snd_soc_card_jack_new(runtime->card, "Headset Jack", | |
146 | jack_type, jack, NULL, 0); | |
147 | ||
148 | if (ret) { | |
149 | dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret); | |
150 | return ret; | |
151 | } | |
152 | ||
e8ed6702 FY |
153 | if (ctx->ts3a227e_present) |
154 | snd_soc_jack_notifier_register(jack, &cht_jack_nb); | |
155 | ||
17119a46 FY |
156 | return ret; |
157 | } | |
158 | ||
159 | static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd, | |
160 | struct snd_pcm_hw_params *params) | |
161 | { | |
162 | struct snd_interval *rate = hw_param_interval(params, | |
163 | SNDRV_PCM_HW_PARAM_RATE); | |
164 | struct snd_interval *channels = hw_param_interval(params, | |
165 | SNDRV_PCM_HW_PARAM_CHANNELS); | |
166 | int ret = 0; | |
167 | unsigned int fmt = 0; | |
168 | ||
169 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16); | |
170 | if (ret < 0) { | |
171 | dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret); | |
172 | return ret; | |
173 | } | |
174 | ||
175 | fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | |
176 | | SND_SOC_DAIFMT_CBS_CFS; | |
177 | ||
178 | ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt); | |
179 | if (ret < 0) { | |
180 | dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret); | |
181 | return ret; | |
182 | } | |
183 | ||
184 | /* The DSP will covert the FE rate to 48k, stereo, 24bits */ | |
185 | rate->min = rate->max = 48000; | |
186 | channels->min = channels->max = 2; | |
187 | ||
188 | /* set SSP2 to 24-bit */ | |
26f63c69 | 189 | params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); |
17119a46 FY |
190 | return 0; |
191 | } | |
192 | ||
17119a46 FY |
193 | static int cht_aif1_startup(struct snd_pcm_substream *substream) |
194 | { | |
a6553a24 LPC |
195 | return snd_pcm_hw_constraint_single(substream->runtime, |
196 | SNDRV_PCM_HW_PARAM_RATE, 48000); | |
17119a46 FY |
197 | } |
198 | ||
199 | static int cht_max98090_headset_init(struct snd_soc_component *component) | |
200 | { | |
201 | struct snd_soc_card *card = component->card; | |
202 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card); | |
203 | ||
204 | return ts3a227e_enable_jack_detect(component, &ctx->jack); | |
205 | } | |
206 | ||
207 | static struct snd_soc_ops cht_aif1_ops = { | |
208 | .startup = cht_aif1_startup, | |
209 | }; | |
210 | ||
211 | static struct snd_soc_ops cht_be_ssp2_ops = { | |
212 | .hw_params = cht_aif1_hw_params, | |
213 | }; | |
214 | ||
215 | static struct snd_soc_aux_dev cht_max98090_headset_dev = { | |
216 | .name = "Headset Chip", | |
217 | .init = cht_max98090_headset_init, | |
218 | .codec_name = "i2c-104C227E:00", | |
219 | }; | |
220 | ||
221 | static struct snd_soc_dai_link cht_dailink[] = { | |
222 | [MERR_DPCM_AUDIO] = { | |
223 | .name = "Audio Port", | |
224 | .stream_name = "Audio", | |
225 | .cpu_dai_name = "media-cpu-dai", | |
226 | .codec_dai_name = "snd-soc-dummy-dai", | |
227 | .codec_name = "snd-soc-dummy", | |
228 | .platform_name = "sst-mfld-platform", | |
229 | .nonatomic = true, | |
230 | .dynamic = 1, | |
231 | .dpcm_playback = 1, | |
232 | .dpcm_capture = 1, | |
233 | .ops = &cht_aif1_ops, | |
234 | }, | |
d35eb96a PLB |
235 | [MERR_DPCM_DEEP_BUFFER] = { |
236 | .name = "Deep-Buffer Audio Port", | |
237 | .stream_name = "Deep-Buffer Audio", | |
238 | .cpu_dai_name = "deepbuffer-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 | .ops = &cht_aif1_ops, | |
246 | }, | |
17119a46 FY |
247 | [MERR_DPCM_COMPR] = { |
248 | .name = "Compressed Port", | |
249 | .stream_name = "Compress", | |
250 | .cpu_dai_name = "compress-cpu-dai", | |
251 | .codec_dai_name = "snd-soc-dummy-dai", | |
252 | .codec_name = "snd-soc-dummy", | |
253 | .platform_name = "sst-mfld-platform", | |
254 | }, | |
255 | /* back ends */ | |
256 | { | |
257 | .name = "SSP2-Codec", | |
2f0ad491 | 258 | .id = 1, |
17119a46 FY |
259 | .cpu_dai_name = "ssp2-port", |
260 | .platform_name = "sst-mfld-platform", | |
261 | .no_pcm = 1, | |
262 | .codec_dai_name = "HiFi", | |
263 | .codec_name = "i2c-193C9890:00", | |
264 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
265 | | SND_SOC_DAIFMT_CBS_CFS, | |
266 | .init = cht_codec_init, | |
267 | .be_hw_params_fixup = cht_codec_fixup, | |
268 | .dpcm_playback = 1, | |
269 | .dpcm_capture = 1, | |
270 | .ops = &cht_be_ssp2_ops, | |
271 | }, | |
272 | }; | |
273 | ||
274 | /* SoC card */ | |
275 | static struct snd_soc_card snd_soc_card_cht = { | |
276 | .name = "chtmax98090", | |
54d8697f | 277 | .owner = THIS_MODULE, |
17119a46 FY |
278 | .dai_link = cht_dailink, |
279 | .num_links = ARRAY_SIZE(cht_dailink), | |
280 | .aux_dev = &cht_max98090_headset_dev, | |
281 | .num_aux_devs = 1, | |
282 | .dapm_widgets = cht_dapm_widgets, | |
283 | .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), | |
284 | .dapm_routes = cht_audio_map, | |
285 | .num_dapm_routes = ARRAY_SIZE(cht_audio_map), | |
286 | .controls = cht_mc_controls, | |
287 | .num_controls = ARRAY_SIZE(cht_mc_controls), | |
288 | }; | |
289 | ||
17119a46 FY |
290 | static int snd_cht_mc_probe(struct platform_device *pdev) |
291 | { | |
292 | int ret_val = 0; | |
17119a46 FY |
293 | struct cht_mc_private *drv; |
294 | ||
295 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); | |
296 | if (!drv) | |
297 | return -ENOMEM; | |
298 | ||
c68ae33e | 299 | drv->ts3a227e_present = acpi_dev_found("104C227E"); |
6f08cbda | 300 | if (!drv->ts3a227e_present) { |
17119a46 FY |
301 | /* no need probe TI jack detection chip */ |
302 | snd_soc_card_cht.aux_dev = NULL; | |
303 | snd_soc_card_cht.num_aux_devs = 0; | |
17119a46 FY |
304 | } |
305 | ||
306 | /* register the soc card */ | |
307 | snd_soc_card_cht.dev = &pdev->dev; | |
308 | snd_soc_card_set_drvdata(&snd_soc_card_cht, drv); | |
309 | ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht); | |
310 | if (ret_val) { | |
311 | dev_err(&pdev->dev, | |
312 | "snd_soc_register_card failed %d\n", ret_val); | |
313 | return ret_val; | |
314 | } | |
315 | platform_set_drvdata(pdev, &snd_soc_card_cht); | |
316 | return ret_val; | |
317 | } | |
318 | ||
319 | static struct platform_driver snd_cht_mc_driver = { | |
320 | .driver = { | |
321 | .name = "cht-bsw-max98090", | |
322 | }, | |
323 | .probe = snd_cht_mc_probe, | |
324 | }; | |
325 | ||
326 | module_platform_driver(snd_cht_mc_driver) | |
327 | ||
328 | MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver"); | |
329 | MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>"); | |
330 | MODULE_LICENSE("GPL v2"); | |
331 | MODULE_ALIAS("platform:cht-bsw-max98090"); |