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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 | ||
17119a46 FY |
42 | static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { |
43 | SND_SOC_DAPM_HP("Headphone", NULL), | |
44 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
45 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
46 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
47 | }; | |
48 | ||
49 | static const struct snd_soc_dapm_route cht_audio_map[] = { | |
50 | {"IN34", NULL, "Headset Mic"}, | |
51 | {"Headset Mic", NULL, "MICBIAS"}, | |
52 | {"DMICL", NULL, "Int Mic"}, | |
53 | {"Headphone", NULL, "HPL"}, | |
54 | {"Headphone", NULL, "HPR"}, | |
55 | {"Ext Spk", NULL, "SPKL"}, | |
56 | {"Ext Spk", NULL, "SPKR"}, | |
8bc76c8b | 57 | {"HiFi Playback", NULL, "ssp2 Tx"}, |
17119a46 FY |
58 | {"ssp2 Tx", NULL, "codec_out0"}, |
59 | {"ssp2 Tx", NULL, "codec_out1"}, | |
60 | {"codec_in0", NULL, "ssp2 Rx" }, | |
61 | {"codec_in1", NULL, "ssp2 Rx" }, | |
8bc76c8b | 62 | {"ssp2 Rx", NULL, "HiFi Capture"}, |
17119a46 FY |
63 | }; |
64 | ||
65 | static const struct snd_kcontrol_new cht_mc_controls[] = { | |
66 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
67 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
68 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
69 | SOC_DAPM_PIN_SWITCH("Ext Spk"), | |
70 | }; | |
71 | ||
72 | static int cht_aif1_hw_params(struct snd_pcm_substream *substream, | |
73 | struct snd_pcm_hw_params *params) | |
74 | { | |
75 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
76 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
77 | int ret; | |
78 | ||
79 | ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK, | |
80 | CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN); | |
81 | if (ret < 0) { | |
82 | dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); | |
83 | return ret; | |
84 | } | |
85 | ||
86 | return 0; | |
87 | } | |
88 | ||
e8ed6702 FY |
89 | static int cht_ti_jack_event(struct notifier_block *nb, |
90 | unsigned long event, void *data) | |
91 | { | |
e8ed6702 | 92 | struct snd_soc_jack *jack = (struct snd_soc_jack *)data; |
c68c2be5 | 93 | struct snd_soc_dapm_context *dapm = &jack->card->dapm; |
e8ed6702 FY |
94 | |
95 | if (event & SND_JACK_MICROPHONE) { | |
c68c2be5 LPC |
96 | snd_soc_dapm_force_enable_pin(dapm, "SHDN"); |
97 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); | |
98 | snd_soc_dapm_sync(dapm); | |
e8ed6702 | 99 | } else { |
c68c2be5 LPC |
100 | snd_soc_dapm_disable_pin(dapm, "MICBIAS"); |
101 | snd_soc_dapm_disable_pin(dapm, "SHDN"); | |
102 | snd_soc_dapm_sync(dapm); | |
e8ed6702 FY |
103 | } |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
108 | static struct notifier_block cht_jack_nb = { | |
109 | .notifier_call = cht_ti_jack_event, | |
110 | }; | |
111 | ||
17119a46 FY |
112 | static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) |
113 | { | |
114 | int ret; | |
115 | int jack_type; | |
116 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); | |
117 | struct snd_soc_jack *jack = &ctx->jack; | |
118 | ||
119 | /** | |
120 | * TI supports 4 butons headset detection | |
121 | * KEY_MEDIA | |
122 | * KEY_VOICECOMMAND | |
123 | * KEY_VOLUMEUP | |
124 | * KEY_VOLUMEDOWN | |
125 | */ | |
126 | if (ctx->ts3a227e_present) | |
127 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | | |
128 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | | |
129 | SND_JACK_BTN_2 | SND_JACK_BTN_3; | |
130 | else | |
131 | jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE; | |
132 | ||
133 | ret = snd_soc_card_jack_new(runtime->card, "Headset Jack", | |
134 | jack_type, jack, NULL, 0); | |
135 | ||
136 | if (ret) { | |
137 | dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret); | |
138 | return ret; | |
139 | } | |
140 | ||
e8ed6702 FY |
141 | if (ctx->ts3a227e_present) |
142 | snd_soc_jack_notifier_register(jack, &cht_jack_nb); | |
143 | ||
17119a46 FY |
144 | return ret; |
145 | } | |
146 | ||
147 | static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd, | |
148 | struct snd_pcm_hw_params *params) | |
149 | { | |
150 | struct snd_interval *rate = hw_param_interval(params, | |
151 | SNDRV_PCM_HW_PARAM_RATE); | |
152 | struct snd_interval *channels = hw_param_interval(params, | |
153 | SNDRV_PCM_HW_PARAM_CHANNELS); | |
154 | int ret = 0; | |
155 | unsigned int fmt = 0; | |
156 | ||
157 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16); | |
158 | if (ret < 0) { | |
159 | dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret); | |
160 | return ret; | |
161 | } | |
162 | ||
163 | fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | |
164 | | SND_SOC_DAIFMT_CBS_CFS; | |
165 | ||
166 | ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt); | |
167 | if (ret < 0) { | |
168 | dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret); | |
169 | return ret; | |
170 | } | |
171 | ||
172 | /* The DSP will covert the FE rate to 48k, stereo, 24bits */ | |
173 | rate->min = rate->max = 48000; | |
174 | channels->min = channels->max = 2; | |
175 | ||
176 | /* set SSP2 to 24-bit */ | |
26f63c69 | 177 | params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); |
17119a46 FY |
178 | return 0; |
179 | } | |
180 | ||
17119a46 FY |
181 | static int cht_aif1_startup(struct snd_pcm_substream *substream) |
182 | { | |
a6553a24 LPC |
183 | return snd_pcm_hw_constraint_single(substream->runtime, |
184 | SNDRV_PCM_HW_PARAM_RATE, 48000); | |
17119a46 FY |
185 | } |
186 | ||
187 | static int cht_max98090_headset_init(struct snd_soc_component *component) | |
188 | { | |
189 | struct snd_soc_card *card = component->card; | |
190 | struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card); | |
191 | ||
192 | return ts3a227e_enable_jack_detect(component, &ctx->jack); | |
193 | } | |
194 | ||
9b6fdef6 | 195 | static const struct snd_soc_ops cht_aif1_ops = { |
17119a46 FY |
196 | .startup = cht_aif1_startup, |
197 | }; | |
198 | ||
9b6fdef6 | 199 | static const struct snd_soc_ops cht_be_ssp2_ops = { |
17119a46 FY |
200 | .hw_params = cht_aif1_hw_params, |
201 | }; | |
202 | ||
203 | static struct snd_soc_aux_dev cht_max98090_headset_dev = { | |
204 | .name = "Headset Chip", | |
205 | .init = cht_max98090_headset_init, | |
206 | .codec_name = "i2c-104C227E:00", | |
207 | }; | |
208 | ||
209 | static struct snd_soc_dai_link cht_dailink[] = { | |
210 | [MERR_DPCM_AUDIO] = { | |
211 | .name = "Audio Port", | |
212 | .stream_name = "Audio", | |
213 | .cpu_dai_name = "media-cpu-dai", | |
214 | .codec_dai_name = "snd-soc-dummy-dai", | |
215 | .codec_name = "snd-soc-dummy", | |
216 | .platform_name = "sst-mfld-platform", | |
217 | .nonatomic = true, | |
218 | .dynamic = 1, | |
219 | .dpcm_playback = 1, | |
220 | .dpcm_capture = 1, | |
221 | .ops = &cht_aif1_ops, | |
222 | }, | |
d35eb96a PLB |
223 | [MERR_DPCM_DEEP_BUFFER] = { |
224 | .name = "Deep-Buffer Audio Port", | |
225 | .stream_name = "Deep-Buffer Audio", | |
226 | .cpu_dai_name = "deepbuffer-cpu-dai", | |
227 | .codec_dai_name = "snd-soc-dummy-dai", | |
228 | .codec_name = "snd-soc-dummy", | |
229 | .platform_name = "sst-mfld-platform", | |
230 | .nonatomic = true, | |
231 | .dynamic = 1, | |
232 | .dpcm_playback = 1, | |
233 | .ops = &cht_aif1_ops, | |
234 | }, | |
17119a46 FY |
235 | [MERR_DPCM_COMPR] = { |
236 | .name = "Compressed Port", | |
237 | .stream_name = "Compress", | |
238 | .cpu_dai_name = "compress-cpu-dai", | |
239 | .codec_dai_name = "snd-soc-dummy-dai", | |
240 | .codec_name = "snd-soc-dummy", | |
241 | .platform_name = "sst-mfld-platform", | |
242 | }, | |
243 | /* back ends */ | |
244 | { | |
245 | .name = "SSP2-Codec", | |
2f0ad491 | 246 | .id = 1, |
17119a46 FY |
247 | .cpu_dai_name = "ssp2-port", |
248 | .platform_name = "sst-mfld-platform", | |
249 | .no_pcm = 1, | |
250 | .codec_dai_name = "HiFi", | |
251 | .codec_name = "i2c-193C9890:00", | |
252 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
253 | | SND_SOC_DAIFMT_CBS_CFS, | |
254 | .init = cht_codec_init, | |
255 | .be_hw_params_fixup = cht_codec_fixup, | |
256 | .dpcm_playback = 1, | |
257 | .dpcm_capture = 1, | |
258 | .ops = &cht_be_ssp2_ops, | |
259 | }, | |
260 | }; | |
261 | ||
262 | /* SoC card */ | |
263 | static struct snd_soc_card snd_soc_card_cht = { | |
264 | .name = "chtmax98090", | |
54d8697f | 265 | .owner = THIS_MODULE, |
17119a46 FY |
266 | .dai_link = cht_dailink, |
267 | .num_links = ARRAY_SIZE(cht_dailink), | |
268 | .aux_dev = &cht_max98090_headset_dev, | |
269 | .num_aux_devs = 1, | |
270 | .dapm_widgets = cht_dapm_widgets, | |
271 | .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), | |
272 | .dapm_routes = cht_audio_map, | |
273 | .num_dapm_routes = ARRAY_SIZE(cht_audio_map), | |
274 | .controls = cht_mc_controls, | |
275 | .num_controls = ARRAY_SIZE(cht_mc_controls), | |
276 | }; | |
277 | ||
17119a46 FY |
278 | static int snd_cht_mc_probe(struct platform_device *pdev) |
279 | { | |
280 | int ret_val = 0; | |
17119a46 FY |
281 | struct cht_mc_private *drv; |
282 | ||
283 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); | |
284 | if (!drv) | |
285 | return -ENOMEM; | |
286 | ||
c68ae33e | 287 | drv->ts3a227e_present = acpi_dev_found("104C227E"); |
6f08cbda | 288 | if (!drv->ts3a227e_present) { |
17119a46 FY |
289 | /* no need probe TI jack detection chip */ |
290 | snd_soc_card_cht.aux_dev = NULL; | |
291 | snd_soc_card_cht.num_aux_devs = 0; | |
17119a46 FY |
292 | } |
293 | ||
294 | /* register the soc card */ | |
295 | snd_soc_card_cht.dev = &pdev->dev; | |
296 | snd_soc_card_set_drvdata(&snd_soc_card_cht, drv); | |
297 | ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht); | |
298 | if (ret_val) { | |
299 | dev_err(&pdev->dev, | |
300 | "snd_soc_register_card failed %d\n", ret_val); | |
301 | return ret_val; | |
302 | } | |
303 | platform_set_drvdata(pdev, &snd_soc_card_cht); | |
304 | return ret_val; | |
305 | } | |
306 | ||
307 | static struct platform_driver snd_cht_mc_driver = { | |
308 | .driver = { | |
309 | .name = "cht-bsw-max98090", | |
310 | }, | |
311 | .probe = snd_cht_mc_probe, | |
312 | }; | |
313 | ||
314 | module_platform_driver(snd_cht_mc_driver) | |
315 | ||
316 | MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver"); | |
317 | MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>"); | |
318 | MODULE_LICENSE("GPL v2"); | |
319 | MODULE_ALIAS("platform:cht-bsw-max98090"); |