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6
7#include <linux/acpi.h>
8#include <linux/device.h>
9#include <linux/gpio/consumer.h>
10#include <linux/module.h>
11#include <linux/platform_device.h>
12#include <linux/slab.h>
13#include <sound/pcm.h>
14#include <sound/pcm_params.h>
15#include <sound/jack.h>
16#include <sound/soc.h>
17#include <sound/soc-acpi.h>
18#include "../../codecs/cx2072x.h"
19#include "../atom/sst-atom-controls.h"
20
21static const struct snd_soc_dapm_widget byt_cht_cx2072x_widgets[] = {
22 SND_SOC_DAPM_HP("Headphone", NULL),
23 SND_SOC_DAPM_MIC("Headset Mic", NULL),
24 SND_SOC_DAPM_MIC("Int Mic", NULL),
25 SND_SOC_DAPM_SPK("Ext Spk", NULL),
26};
27
28static const struct snd_soc_dapm_route byt_cht_cx2072x_audio_map[] = {
29
30 {"Headphone", NULL, "PORTA"},
31 {"Ext Spk", NULL, "PORTG"},
32 {"PORTC", NULL, "Int Mic"},
33 {"PORTD", NULL, "Headset Mic"},
34
35 {"Playback", NULL, "ssp2 Tx"},
36 {"ssp2 Tx", NULL, "codec_out0"},
37 {"ssp2 Tx", NULL, "codec_out1"},
38 {"codec_in0", NULL, "ssp2 Rx"},
39 {"codec_in1", NULL, "ssp2 Rx"},
40 {"ssp2 Rx", NULL, "Capture"},
41};
42
43static const struct snd_kcontrol_new byt_cht_cx2072x_controls[] = {
44 SOC_DAPM_PIN_SWITCH("Headphone"),
45 SOC_DAPM_PIN_SWITCH("Headset Mic"),
46 SOC_DAPM_PIN_SWITCH("Int Mic"),
47 SOC_DAPM_PIN_SWITCH("Ext Spk"),
48};
49
50static struct snd_soc_jack byt_cht_cx2072x_headset;
51
52
53static struct snd_soc_jack_pin byt_cht_cx2072x_headset_pins[] = {
54 {
55 .pin = "Headset Mic",
56 .mask = SND_JACK_MICROPHONE,
57 },
58 {
59 .pin = "Headphone",
60 .mask = SND_JACK_HEADPHONE,
61 },
62};
63
64static const struct acpi_gpio_params byt_cht_cx2072x_headset_gpios;
65static const struct acpi_gpio_mapping byt_cht_cx2072x_acpi_gpios[] = {
66 { "headset-gpios", &byt_cht_cx2072x_headset_gpios, 1 },
67 {},
68};
69
70static int byt_cht_cx2072x_init(struct snd_soc_pcm_runtime *rtd)
71{
72 struct snd_soc_card *card = rtd->card;
73 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
74 int ret;
75
76 if (devm_acpi_dev_add_driver_gpios(codec->dev,
77 byt_cht_cx2072x_acpi_gpios))
78 dev_warn(rtd->dev, "Unable to add GPIO mapping table\n");
79
80 card->dapm.idle_bias_off = true;
81
82
83 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), CX2072X_MCLK_EXTERNAL_PLL,
84 19200000, SND_SOC_CLOCK_IN);
85 if (ret) {
86 dev_err(rtd->dev, "Could not set sysclk\n");
87 return ret;
88 }
89
90 ret = snd_soc_card_jack_new(card, "Headset",
91 SND_JACK_HEADSET | SND_JACK_BTN_0,
92 &byt_cht_cx2072x_headset,
93 byt_cht_cx2072x_headset_pins,
94 ARRAY_SIZE(byt_cht_cx2072x_headset_pins));
95 if (ret)
96 return ret;
97
98 snd_soc_component_set_jack(codec, &byt_cht_cx2072x_headset, NULL);
99
100 snd_soc_dai_set_bclk_ratio(asoc_rtd_to_codec(rtd, 0), 50);
101
102 return 0;
103}
104
105static int byt_cht_cx2072x_fixup(struct snd_soc_pcm_runtime *rtd,
106 struct snd_pcm_hw_params *params)
107{
108 struct snd_interval *rate =
109 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
110 struct snd_interval *channels =
111 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
112 int ret;
113
114
115 rate->min = rate->max = 48000;
116 channels->min = channels->max = 2;
117
118
119 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
120
121
122
123
124
125
126 ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
127 SND_SOC_DAIFMT_I2S |
128 SND_SOC_DAIFMT_NB_NF |
129 SND_SOC_DAIFMT_CBS_CFS);
130 if (ret < 0) {
131 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
132 return ret;
133 }
134
135 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 24);
136 if (ret < 0) {
137 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
138 return ret;
139 }
140
141 return 0;
142}
143
144static int byt_cht_cx2072x_aif1_startup(struct snd_pcm_substream *substream)
145{
146 return snd_pcm_hw_constraint_single(substream->runtime,
147 SNDRV_PCM_HW_PARAM_RATE, 48000);
148}
149
150static struct snd_soc_ops byt_cht_cx2072x_aif1_ops = {
151 .startup = byt_cht_cx2072x_aif1_startup,
152};
153
154SND_SOC_DAILINK_DEF(dummy,
155 DAILINK_COMP_ARRAY(COMP_DUMMY()));
156
157SND_SOC_DAILINK_DEF(media,
158 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
159
160SND_SOC_DAILINK_DEF(deepbuffer,
161 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
162
163SND_SOC_DAILINK_DEF(ssp2,
164 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
165
166SND_SOC_DAILINK_DEF(cx2072x,
167 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-14F10720:00", "cx2072x-hifi")));
168
169SND_SOC_DAILINK_DEF(platform,
170 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
171
172static struct snd_soc_dai_link byt_cht_cx2072x_dais[] = {
173 [MERR_DPCM_AUDIO] = {
174 .name = "Audio Port",
175 .stream_name = "Audio",
176 .nonatomic = true,
177 .dynamic = 1,
178 .dpcm_playback = 1,
179 .dpcm_capture = 1,
180 .ops = &byt_cht_cx2072x_aif1_ops,
181 SND_SOC_DAILINK_REG(media, dummy, platform),
182 },
183 [MERR_DPCM_DEEP_BUFFER] = {
184 .name = "Deep-Buffer Audio Port",
185 .stream_name = "Deep-Buffer Audio",
186 .nonatomic = true,
187 .dynamic = 1,
188 .dpcm_playback = 1,
189 .ops = &byt_cht_cx2072x_aif1_ops,
190 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
191 },
192
193 {
194 .name = "SSP2-Codec",
195 .id = 0,
196 .no_pcm = 1,
197 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
198 | SND_SOC_DAIFMT_CBS_CFS,
199 .init = byt_cht_cx2072x_init,
200 .be_hw_params_fixup = byt_cht_cx2072x_fixup,
201 .nonatomic = true,
202 .dpcm_playback = 1,
203 .dpcm_capture = 1,
204 SND_SOC_DAILINK_REG(ssp2, cx2072x, platform),
205 },
206};
207
208
209#define SOF_CARD_NAME "bytcht cx2072x"
210#define SOF_DRIVER_NAME "SOF"
211
212#define CARD_NAME "bytcht-cx2072x"
213#define DRIVER_NAME NULL
214
215
216static struct snd_soc_card byt_cht_cx2072x_card = {
217 .name = CARD_NAME,
218 .driver_name = DRIVER_NAME,
219 .owner = THIS_MODULE,
220 .dai_link = byt_cht_cx2072x_dais,
221 .num_links = ARRAY_SIZE(byt_cht_cx2072x_dais),
222 .dapm_widgets = byt_cht_cx2072x_widgets,
223 .num_dapm_widgets = ARRAY_SIZE(byt_cht_cx2072x_widgets),
224 .dapm_routes = byt_cht_cx2072x_audio_map,
225 .num_dapm_routes = ARRAY_SIZE(byt_cht_cx2072x_audio_map),
226 .controls = byt_cht_cx2072x_controls,
227 .num_controls = ARRAY_SIZE(byt_cht_cx2072x_controls),
228};
229
230static char codec_name[SND_ACPI_I2C_ID_LEN];
231
232static int snd_byt_cht_cx2072x_probe(struct platform_device *pdev)
233{
234 struct snd_soc_acpi_mach *mach;
235 struct acpi_device *adev;
236 int dai_index = 0;
237 bool sof_parent;
238 int i, ret;
239
240 byt_cht_cx2072x_card.dev = &pdev->dev;
241 mach = dev_get_platdata(&pdev->dev);
242
243
244 for (i = 0; i < ARRAY_SIZE(byt_cht_cx2072x_dais); i++) {
245 if (!strcmp(byt_cht_cx2072x_dais[i].codecs->name,
246 "i2c-14F10720:00")) {
247 dai_index = i;
248 break;
249 }
250 }
251
252
253 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
254 if (adev) {
255 snprintf(codec_name, sizeof(codec_name), "i2c-%s",
256 acpi_dev_name(adev));
257 put_device(&adev->dev);
258 byt_cht_cx2072x_dais[dai_index].codecs->name = codec_name;
259 }
260
261
262 ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_cx2072x_card,
263 mach->mach_params.platform);
264 if (ret)
265 return ret;
266
267 sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
268
269
270 if (sof_parent) {
271 byt_cht_cx2072x_card.name = SOF_CARD_NAME;
272 byt_cht_cx2072x_card.driver_name = SOF_DRIVER_NAME;
273 } else {
274 byt_cht_cx2072x_card.name = CARD_NAME;
275 byt_cht_cx2072x_card.driver_name = DRIVER_NAME;
276 }
277
278
279 if (sof_parent)
280 pdev->dev.driver->pm = &snd_soc_pm_ops;
281
282 return devm_snd_soc_register_card(&pdev->dev, &byt_cht_cx2072x_card);
283}
284
285static struct platform_driver snd_byt_cht_cx2072x_driver = {
286 .driver = {
287 .name = "bytcht_cx2072x",
288 },
289 .probe = snd_byt_cht_cx2072x_probe,
290};
291module_platform_driver(snd_byt_cht_cx2072x_driver);
292
293MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
294MODULE_LICENSE("GPL v2");
295MODULE_ALIAS("platform:bytcht_cx2072x");
296
