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authorRamesh Babu <ramesh.babu@intel.com>2016-05-10 12:32:06 -0400
committerMark Brown <broonie@kernel.org>2016-05-10 14:12:28 -0400
commit76016322ec5670052fdabb08c586d6b16bd5062f (patch)
tree793a44daecd4aff407d5b4a9a8009a95bde36dce /sound/soc/intel/boards/bxt_rt298.c
parentfcc494af3cfaefc9f8a51c3c7e7f208a0553b28f (diff)
ASoC: Intel: Add Broxton-P machine driver
This patch adds the Broxton-P machine driver for Intel Broxton-P reference boards. This machine uses the RT298 codec Signed-off-by: Ramesh Babu <ramesh.babu@intel.com> Signed-off-by: Senthilnathan Veppur <senthilnathanx.veppur@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/boards/bxt_rt298.c')
-rw-r--r--sound/soc/intel/boards/bxt_rt298.c353
1 files changed, 353 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
new file mode 100644
index 000000000000..1b845ff779f3
--- /dev/null
+++ b/sound/soc/intel/boards/bxt_rt298.c
@@ -0,0 +1,353 @@
1/*
2 * Intel Broxton-P I2S Machine Driver
3 *
4 * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
5 *
6 * Modified from:
7 * Intel Skylake I2S Machine driver
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License version
11 * 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#include <linux/module.h>
20#include <linux/platform_device.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/soc.h>
24#include <sound/jack.h>
25#include <sound/pcm_params.h>
26#include "../../codecs/hdac_hdmi.h"
27#include "../../codecs/rt298.h"
28
29static struct snd_soc_jack broxton_headset;
30/* Headset jack detection DAPM pins */
31
32enum {
33 BXT_DPCM_AUDIO_PB = 0,
34 BXT_DPCM_AUDIO_CP,
35 BXT_DPCM_AUDIO_REF_CP,
36 BXT_DPCM_AUDIO_HDMI1_PB,
37 BXT_DPCM_AUDIO_HDMI2_PB,
38 BXT_DPCM_AUDIO_HDMI3_PB,
39};
40
41static struct snd_soc_jack_pin broxton_headset_pins[] = {
42 {
43 .pin = "Mic Jack",
44 .mask = SND_JACK_MICROPHONE,
45 },
46 {
47 .pin = "Headphone Jack",
48 .mask = SND_JACK_HEADPHONE,
49 },
50};
51
52static const struct snd_kcontrol_new broxton_controls[] = {
53 SOC_DAPM_PIN_SWITCH("Speaker"),
54 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
55 SOC_DAPM_PIN_SWITCH("Mic Jack"),
56};
57
58static const struct snd_soc_dapm_widget broxton_widgets[] = {
59 SND_SOC_DAPM_HP("Headphone Jack", NULL),
60 SND_SOC_DAPM_SPK("Speaker", NULL),
61 SND_SOC_DAPM_MIC("Mic Jack", NULL),
62 SND_SOC_DAPM_MIC("DMIC2", NULL),
63 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
64 SND_SOC_DAPM_SPK("HDMI1", NULL),
65 SND_SOC_DAPM_SPK("HDMI2", NULL),
66 SND_SOC_DAPM_SPK("HDMI3", NULL),
67};
68
69static const struct snd_soc_dapm_route broxton_rt298_map[] = {
70 /* speaker */
71 {"Speaker", NULL, "SPOR"},
72 {"Speaker", NULL, "SPOL"},
73
74 /* HP jack connectors - unknown if we have jack detect */
75 {"Headphone Jack", NULL, "HPO Pin"},
76
77 /* other jacks */
78 {"MIC1", NULL, "Mic Jack"},
79
80 /* digital mics */
81 {"DMIC1 Pin", NULL, "DMIC2"},
82 {"DMic", NULL, "SoC DMIC"},
83
84 {"HDMI1", NULL, "hif5 Output"},
85 {"HDMI2", NULL, "hif6 Output"},
86 {"HDMI3", NULL, "hif7 Output"},
87
88 /* CODEC BE connections */
89 { "AIF1 Playback", NULL, "ssp5 Tx"},
90 { "ssp5 Tx", NULL, "codec0_out"},
91
92 { "codec0_in", NULL, "ssp5 Rx" },
93 { "ssp5 Rx", NULL, "AIF1 Capture" },
94
95 { "dmic01_hifi", NULL, "DMIC01 Rx" },
96 { "DMIC01 Rx", NULL, "Capture" },
97
98 { "hifi3", NULL, "iDisp3 Tx"},
99 { "iDisp3 Tx", NULL, "iDisp3_out"},
100 { "hifi2", NULL, "iDisp2 Tx"},
101 { "iDisp2 Tx", NULL, "iDisp2_out"},
102 { "hifi1", NULL, "iDisp1 Tx"},
103 { "iDisp1 Tx", NULL, "iDisp1_out"},
104
105};
106
107static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
108{
109 struct snd_soc_codec *codec = rtd->codec;
110 int ret = 0;
111
112 ret = snd_soc_card_jack_new(rtd->card, "Headset",
113 SND_JACK_HEADSET | SND_JACK_BTN_0,
114 &broxton_headset,
115 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
116
117 if (ret)
118 return ret;
119
120 rt298_mic_detect(codec, &broxton_headset);
121 return 0;
122}
123
124static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
125{
126 struct snd_soc_dai *dai = rtd->codec_dai;
127
128 return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
129}
130
131static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
132 struct snd_pcm_hw_params *params)
133{
134 struct snd_interval *rate = hw_param_interval(params,
135 SNDRV_PCM_HW_PARAM_RATE);
136 struct snd_interval *channels = hw_param_interval(params,
137 SNDRV_PCM_HW_PARAM_CHANNELS);
138 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
139
140 /* The ADSP will covert the FE rate to 48k, stereo */
141 rate->min = rate->max = 48000;
142 channels->min = channels->max = 2;
143
144 /* set SSP5 to 24 bit */
145 snd_mask_none(fmt);
146 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
147
148 return 0;
149}
150
151static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
152 struct snd_pcm_hw_params *params)
153{
154 struct snd_soc_pcm_runtime *rtd = substream->private_data;
155 struct snd_soc_dai *codec_dai = rtd->codec_dai;
156 int ret;
157
158 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
159 19200000, SND_SOC_CLOCK_IN);
160 if (ret < 0) {
161 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
162 return ret;
163 }
164
165 return ret;
166}
167
168static struct snd_soc_ops broxton_rt298_ops = {
169 .hw_params = broxton_rt298_hw_params,
170};
171
172/* broxton digital audio interface glue - connects codec <--> CPU */
173static struct snd_soc_dai_link broxton_rt298_dais[] = {
174 /* Front End DAI links */
175 [BXT_DPCM_AUDIO_PB]
176 {
177 .name = "Bxt Audio Port",
178 .stream_name = "Audio",
179 .cpu_dai_name = "System Pin",
180 .platform_name = "0000:00:0e.0",
181 .nonatomic = 1,
182 .dynamic = 1,
183 .codec_name = "snd-soc-dummy",
184 .codec_dai_name = "snd-soc-dummy-dai",
185 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
186 .dpcm_playback = 1,
187 },
188 [BXT_DPCM_AUDIO_CP]
189 {
190 .name = "Bxt Audio Capture Port",
191 .stream_name = "Audio Record",
192 .cpu_dai_name = "System Pin",
193 .platform_name = "0000:00:0e.0",
194 .nonatomic = 1,
195 .dynamic = 1,
196 .codec_name = "snd-soc-dummy",
197 .codec_dai_name = "snd-soc-dummy-dai",
198 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
199 .dpcm_capture = 1,
200 },
201 [BXT_DPCM_AUDIO_REF_CP]
202 {
203 .name = "Bxt Audio Reference cap",
204 .stream_name = "refcap",
205 .cpu_dai_name = "Reference Pin",
206 .codec_name = "snd-soc-dummy",
207 .codec_dai_name = "snd-soc-dummy-dai",
208 .platform_name = "0000:00:0e.0",
209 .init = NULL,
210 .dpcm_capture = 1,
211 .nonatomic = 1,
212 .dynamic = 1,
213 },
214 [BXT_DPCM_AUDIO_HDMI1_PB]
215 {
216 .name = "Bxt HDMI Port1",
217 .stream_name = "Hdmi1",
218 .cpu_dai_name = "HDMI1 Pin",
219 .codec_name = "snd-soc-dummy",
220 .codec_dai_name = "snd-soc-dummy-dai",
221 .platform_name = "0000:00:0e.0",
222 .dpcm_playback = 1,
223 .init = NULL,
224 .nonatomic = 1,
225 .dynamic = 1,
226 },
227 [BXT_DPCM_AUDIO_HDMI2_PB]
228 {
229 .name = "Bxt HDMI Port2",
230 .stream_name = "Hdmi2",
231 .cpu_dai_name = "HDMI2 Pin",
232 .codec_name = "snd-soc-dummy",
233 .codec_dai_name = "snd-soc-dummy-dai",
234 .platform_name = "0000:00:0e.0",
235 .dpcm_playback = 1,
236 .init = NULL,
237 .nonatomic = 1,
238 .dynamic = 1,
239 },
240 [BXT_DPCM_AUDIO_HDMI3_PB]
241 {
242 .name = "Bxt HDMI Port3",
243 .stream_name = "Hdmi3",
244 .cpu_dai_name = "HDMI3 Pin",
245 .codec_name = "snd-soc-dummy",
246 .codec_dai_name = "snd-soc-dummy-dai",
247 .platform_name = "0000:00:0e.0",
248 .dpcm_playback = 1,
249 .init = NULL,
250 .nonatomic = 1,
251 .dynamic = 1,
252 },
253 /* Back End DAI links */
254 {
255 /* SSP5 - Codec */
256 .name = "SSP5-Codec",
257 .be_id = 0,
258 .cpu_dai_name = "SSP5 Pin",
259 .platform_name = "0000:00:0e.0",
260 .no_pcm = 1,
261 .codec_name = "i2c-INT343A:00",
262 .codec_dai_name = "rt298-aif1",
263 .init = broxton_rt298_codec_init,
264 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
265 SND_SOC_DAIFMT_CBS_CFS,
266 .ignore_pmdown_time = 1,
267 .be_hw_params_fixup = broxton_ssp5_fixup,
268 .ops = &broxton_rt298_ops,
269 .dpcm_playback = 1,
270 .dpcm_capture = 1,
271 },
272 {
273 .name = "dmic01",
274 .be_id = 1,
275 .cpu_dai_name = "DMIC01 Pin",
276 .codec_name = "dmic-codec",
277 .codec_dai_name = "dmic-hifi",
278 .platform_name = "0000:00:0e.0",
279 .ignore_suspend = 1,
280 .dpcm_capture = 1,
281 .no_pcm = 1,
282 },
283 {
284 .name = "iDisp1",
285 .be_id = 3,
286 .cpu_dai_name = "iDisp1 Pin",
287 .codec_name = "ehdaudio0D2",
288 .codec_dai_name = "intel-hdmi-hifi1",
289 .platform_name = "0000:00:0e.0",
290 .init = broxton_hdmi_init,
291 .dpcm_playback = 1,
292 .no_pcm = 1,
293 },
294 {
295 .name = "iDisp2",
296 .be_id = 4,
297 .cpu_dai_name = "iDisp2 Pin",
298 .codec_name = "ehdaudio0D2",
299 .codec_dai_name = "intel-hdmi-hifi2",
300 .platform_name = "0000:00:0e.0",
301 .init = broxton_hdmi_init,
302 .dpcm_playback = 1,
303 .no_pcm = 1,
304 },
305 {
306 .name = "iDisp3",
307 .be_id = 5,
308 .cpu_dai_name = "iDisp3 Pin",
309 .codec_name = "ehdaudio0D2",
310 .codec_dai_name = "intel-hdmi-hifi3",
311 .platform_name = "0000:00:0e.0",
312 .init = broxton_hdmi_init,
313 .dpcm_playback = 1,
314 .no_pcm = 1,
315 },
316};
317
318/* broxton audio machine driver for SPT + RT298S */
319static struct snd_soc_card broxton_rt298 = {
320 .name = "broxton-rt298",
321 .owner = THIS_MODULE,
322 .dai_link = broxton_rt298_dais,
323 .num_links = ARRAY_SIZE(broxton_rt298_dais),
324 .controls = broxton_controls,
325 .num_controls = ARRAY_SIZE(broxton_controls),
326 .dapm_widgets = broxton_widgets,
327 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
328 .dapm_routes = broxton_rt298_map,
329 .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
330 .fully_routed = true,
331};
332
333static int broxton_audio_probe(struct platform_device *pdev)
334{
335 broxton_rt298.dev = &pdev->dev;
336
337 return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
338}
339
340static struct platform_driver broxton_audio = {
341 .probe = broxton_audio_probe,
342 .driver = {
343 .name = "bxt_alc298s_i2s",
344 },
345};
346module_platform_driver(broxton_audio)
347
348/* Module information */
349MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
350MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
351MODULE_DESCRIPTION("Intel SST Audio for Broxton");
352MODULE_LICENSE("GPL v2");
353MODULE_ALIAS("platform:bxt_alc298s_i2s");
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