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1 | /* |
2 | * bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform | |
3 | * (derived from bytcr_rt5640.c) | |
4 | * | |
5 | * Copyright (C) 2015 Intel Corp | |
6 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
18 | */ | |
19 | ||
20 | #include <linux/init.h> | |
21 | #include <linux/module.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/acpi.h> | |
24 | #include <linux/device.h> | |
25 | #include <linux/dmi.h> | |
26 | #include <linux/slab.h> | |
27 | #include <sound/pcm.h> | |
28 | #include <sound/pcm_params.h> | |
29 | #include <sound/soc.h> | |
30 | #include <sound/jack.h> | |
31 | #include "../../codecs/rt5651.h" | |
32 | #include "../atom/sst-atom-controls.h" | |
33 | ||
34 | static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = { | |
35 | SND_SOC_DAPM_HP("Headphone", NULL), | |
36 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
37 | SND_SOC_DAPM_MIC("Internal Mic", NULL), | |
38 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
39 | }; | |
40 | ||
41 | static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = { | |
42 | {"AIF1 Playback", NULL, "ssp2 Tx"}, | |
43 | {"ssp2 Tx", NULL, "codec_out0"}, | |
44 | {"ssp2 Tx", NULL, "codec_out1"}, | |
45 | {"codec_in0", NULL, "ssp2 Rx"}, | |
46 | {"codec_in1", NULL, "ssp2 Rx"}, | |
47 | {"ssp2 Rx", NULL, "AIF1 Capture"}, | |
48 | ||
49 | {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */ | |
50 | {"IN2P", NULL, "Headset Mic"}, | |
51 | {"Headphone", NULL, "HPOL"}, | |
52 | {"Headphone", NULL, "HPOR"}, | |
53 | {"Speaker", NULL, "LOUTL"}, | |
54 | {"Speaker", NULL, "LOUTR"}, | |
55 | }; | |
56 | ||
57 | static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic1_map[] = { | |
58 | {"DMIC1", NULL, "Internal Mic"}, | |
59 | }; | |
60 | ||
61 | static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic2_map[] = { | |
62 | {"DMIC2", NULL, "Internal Mic"}, | |
63 | }; | |
64 | ||
65 | static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = { | |
66 | {"Internal Mic", NULL, "micbias1"}, | |
67 | {"IN1P", NULL, "Internal Mic"}, | |
68 | }; | |
69 | ||
70 | enum { | |
71 | BYT_RT5651_DMIC1_MAP, | |
72 | BYT_RT5651_DMIC2_MAP, | |
73 | BYT_RT5651_IN1_MAP, | |
74 | }; | |
75 | ||
76 | #define BYT_RT5651_MAP(quirk) ((quirk) & 0xff) | |
77 | #define BYT_RT5651_DMIC_EN BIT(16) | |
78 | ||
79 | static unsigned long byt_rt5651_quirk = BYT_RT5651_DMIC1_MAP | | |
80 | BYT_RT5651_DMIC_EN; | |
81 | ||
82 | static const struct snd_kcontrol_new byt_rt5651_controls[] = { | |
83 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
84 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
85 | SOC_DAPM_PIN_SWITCH("Internal Mic"), | |
86 | SOC_DAPM_PIN_SWITCH("Speaker"), | |
87 | }; | |
88 | ||
89 | static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream, | |
90 | struct snd_pcm_hw_params *params) | |
91 | { | |
92 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
93 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
94 | int ret; | |
95 | ||
96 | snd_soc_dai_set_bclk_ratio(codec_dai, 50); | |
97 | ||
98 | ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1, | |
99 | params_rate(params) * 512, | |
100 | SND_SOC_CLOCK_IN); | |
101 | if (ret < 0) { | |
102 | dev_err(rtd->dev, "can't set codec clock %d\n", ret); | |
103 | return ret; | |
104 | } | |
105 | ||
106 | ret = snd_soc_dai_set_pll(codec_dai, 0, RT5651_PLL1_S_BCLK1, | |
107 | params_rate(params) * 50, | |
108 | params_rate(params) * 512); | |
109 | if (ret < 0) { | |
110 | dev_err(rtd->dev, "can't set codec pll: %d\n", ret); | |
111 | return ret; | |
112 | } | |
113 | ||
114 | return 0; | |
115 | } | |
116 | ||
117 | static const struct dmi_system_id byt_rt5651_quirk_table[] = { | |
118 | {} | |
119 | }; | |
120 | ||
121 | static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime) | |
122 | { | |
123 | int ret; | |
124 | struct snd_soc_card *card = runtime->card; | |
125 | const struct snd_soc_dapm_route *custom_map; | |
126 | int num_routes; | |
127 | ||
128 | card->dapm.idle_bias_off = true; | |
129 | ||
130 | dmi_check_system(byt_rt5651_quirk_table); | |
131 | switch (BYT_RT5651_MAP(byt_rt5651_quirk)) { | |
132 | case BYT_RT5651_IN1_MAP: | |
133 | custom_map = byt_rt5651_intmic_in1_map; | |
134 | num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map); | |
135 | break; | |
136 | case BYT_RT5651_DMIC2_MAP: | |
137 | custom_map = byt_rt5651_intmic_dmic2_map; | |
138 | num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic2_map); | |
139 | break; | |
140 | default: | |
141 | custom_map = byt_rt5651_intmic_dmic1_map; | |
142 | num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic1_map); | |
143 | } | |
144 | ||
145 | ret = snd_soc_add_card_controls(card, byt_rt5651_controls, | |
146 | ARRAY_SIZE(byt_rt5651_controls)); | |
147 | if (ret) { | |
148 | dev_err(card->dev, "unable to add card controls\n"); | |
149 | return ret; | |
150 | } | |
151 | snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); | |
152 | snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); | |
153 | ||
154 | return ret; | |
155 | } | |
156 | ||
157 | static const struct snd_soc_pcm_stream byt_rt5651_dai_params = { | |
158 | .formats = SNDRV_PCM_FMTBIT_S24_LE, | |
159 | .rate_min = 48000, | |
160 | .rate_max = 48000, | |
161 | .channels_min = 2, | |
162 | .channels_max = 2, | |
163 | }; | |
164 | ||
165 | static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd, | |
166 | struct snd_pcm_hw_params *params) | |
167 | { | |
168 | struct snd_interval *rate = hw_param_interval(params, | |
169 | SNDRV_PCM_HW_PARAM_RATE); | |
170 | struct snd_interval *channels = hw_param_interval(params, | |
171 | SNDRV_PCM_HW_PARAM_CHANNELS); | |
172 | int ret; | |
173 | ||
174 | /* The DSP will covert the FE rate to 48k, stereo, 24bits */ | |
175 | rate->min = rate->max = 48000; | |
176 | channels->min = channels->max = 2; | |
177 | ||
178 | /* set SSP2 to 24-bit */ | |
179 | params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); | |
180 | ||
181 | /* | |
182 | * Default mode for SSP configuration is TDM 4 slot, override config | |
183 | * with explicit setting to I2S 2ch 24-bit. The word length is set with | |
184 | * dai_set_tdm_slot() since there is no other API exposed | |
185 | */ | |
186 | ret = snd_soc_dai_set_fmt(rtd->cpu_dai, | |
187 | SND_SOC_DAIFMT_I2S | | |
f12f5c84 | 188 | SND_SOC_DAIFMT_NB_NF | |
2bd5bd15 PLB |
189 | SND_SOC_DAIFMT_CBS_CFS |
190 | ); | |
191 | ||
192 | if (ret < 0) { | |
193 | dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); | |
194 | return ret; | |
195 | } | |
196 | ||
197 | ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24); | |
198 | if (ret < 0) { | |
199 | dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); | |
200 | return ret; | |
201 | } | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
206 | static unsigned int rates_48000[] = { | |
207 | 48000, | |
208 | }; | |
209 | ||
210 | static struct snd_pcm_hw_constraint_list constraints_48000 = { | |
211 | .count = ARRAY_SIZE(rates_48000), | |
212 | .list = rates_48000, | |
213 | }; | |
214 | ||
215 | static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream) | |
216 | { | |
217 | return snd_pcm_hw_constraint_list(substream->runtime, 0, | |
218 | SNDRV_PCM_HW_PARAM_RATE, | |
219 | &constraints_48000); | |
220 | } | |
221 | ||
9b6fdef6 | 222 | static const struct snd_soc_ops byt_rt5651_aif1_ops = { |
2bd5bd15 PLB |
223 | .startup = byt_rt5651_aif1_startup, |
224 | }; | |
225 | ||
9b6fdef6 | 226 | static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = { |
2bd5bd15 PLB |
227 | .hw_params = byt_rt5651_aif1_hw_params, |
228 | }; | |
229 | ||
230 | static struct snd_soc_dai_link byt_rt5651_dais[] = { | |
231 | [MERR_DPCM_AUDIO] = { | |
232 | .name = "Audio Port", | |
233 | .stream_name = "Audio", | |
234 | .cpu_dai_name = "media-cpu-dai", | |
235 | .codec_dai_name = "snd-soc-dummy-dai", | |
236 | .codec_name = "snd-soc-dummy", | |
237 | .platform_name = "sst-mfld-platform", | |
238 | .ignore_suspend = 1, | |
239 | .nonatomic = true, | |
240 | .dynamic = 1, | |
241 | .dpcm_playback = 1, | |
242 | .dpcm_capture = 1, | |
243 | .ops = &byt_rt5651_aif1_ops, | |
244 | }, | |
245 | [MERR_DPCM_DEEP_BUFFER] = { | |
246 | .name = "Deep-Buffer Audio Port", | |
247 | .stream_name = "Deep-Buffer Audio", | |
248 | .cpu_dai_name = "deepbuffer-cpu-dai", | |
249 | .codec_dai_name = "snd-soc-dummy-dai", | |
250 | .codec_name = "snd-soc-dummy", | |
251 | .platform_name = "sst-mfld-platform", | |
252 | .ignore_suspend = 1, | |
253 | .nonatomic = true, | |
254 | .dynamic = 1, | |
255 | .dpcm_playback = 1, | |
256 | .ops = &byt_rt5651_aif1_ops, | |
257 | }, | |
258 | [MERR_DPCM_COMPR] = { | |
259 | .name = "Compressed Port", | |
260 | .stream_name = "Compress", | |
261 | .cpu_dai_name = "compress-cpu-dai", | |
262 | .codec_dai_name = "snd-soc-dummy-dai", | |
263 | .codec_name = "snd-soc-dummy", | |
264 | .platform_name = "sst-mfld-platform", | |
265 | }, | |
266 | /* CODEC<->CODEC link */ | |
267 | /* back ends */ | |
268 | { | |
269 | .name = "SSP2-Codec", | |
2f0ad491 | 270 | .id = 1, |
2bd5bd15 PLB |
271 | .cpu_dai_name = "ssp2-port", |
272 | .platform_name = "sst-mfld-platform", | |
273 | .no_pcm = 1, | |
274 | .codec_dai_name = "rt5651-aif1", | |
275 | .codec_name = "i2c-10EC5651:00", | |
276 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
277 | | SND_SOC_DAIFMT_CBS_CFS, | |
278 | .be_hw_params_fixup = byt_rt5651_codec_fixup, | |
279 | .ignore_suspend = 1, | |
280 | .nonatomic = true, | |
281 | .dpcm_playback = 1, | |
282 | .dpcm_capture = 1, | |
283 | .init = byt_rt5651_init, | |
284 | .ops = &byt_rt5651_be_ssp2_ops, | |
285 | }, | |
286 | }; | |
287 | ||
288 | /* SoC card */ | |
289 | static struct snd_soc_card byt_rt5651_card = { | |
290 | .name = "bytcr-rt5651", | |
291 | .owner = THIS_MODULE, | |
292 | .dai_link = byt_rt5651_dais, | |
293 | .num_links = ARRAY_SIZE(byt_rt5651_dais), | |
294 | .dapm_widgets = byt_rt5651_widgets, | |
295 | .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets), | |
296 | .dapm_routes = byt_rt5651_audio_map, | |
297 | .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map), | |
298 | .fully_routed = true, | |
299 | }; | |
300 | ||
301 | static int snd_byt_rt5651_mc_probe(struct platform_device *pdev) | |
302 | { | |
303 | int ret_val = 0; | |
304 | ||
305 | /* register the soc card */ | |
306 | byt_rt5651_card.dev = &pdev->dev; | |
307 | ||
308 | ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card); | |
309 | ||
310 | if (ret_val) { | |
311 | dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n", | |
312 | ret_val); | |
313 | return ret_val; | |
314 | } | |
315 | platform_set_drvdata(pdev, &byt_rt5651_card); | |
316 | return ret_val; | |
317 | } | |
318 | ||
319 | static struct platform_driver snd_byt_rt5651_mc_driver = { | |
320 | .driver = { | |
321 | .name = "bytcr_rt5651", | |
2bd5bd15 PLB |
322 | }, |
323 | .probe = snd_byt_rt5651_mc_probe, | |
324 | }; | |
325 | ||
326 | module_platform_driver(snd_byt_rt5651_mc_driver); | |
327 | ||
328 | MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651"); | |
329 | MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>"); | |
330 | MODULE_LICENSE("GPL v2"); | |
331 | MODULE_ALIAS("platform:bytcr_rt5651"); |