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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/rt5640.h"
32#include "../atom/sst-atom-controls.h"
33#include "../common/sst-acpi.h"
34
35enum {
36 BYT_RT5640_DMIC1_MAP,
37 BYT_RT5640_DMIC2_MAP,
38 BYT_RT5640_IN1_MAP,
39};
40
41#define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
42#define BYT_RT5640_DMIC_EN BIT(16)
43
44static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
45 BYT_RT5640_DMIC_EN;
46
47static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
48 SND_SOC_DAPM_HP("Headphone", NULL),
49 SND_SOC_DAPM_MIC("Headset Mic", NULL),
50 SND_SOC_DAPM_MIC("Internal Mic", NULL),
51 SND_SOC_DAPM_SPK("Speaker", NULL),
52};
53
54static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
55 {"AIF1 Playback", NULL, "ssp2 Tx"},
56 {"ssp2 Tx", NULL, "codec_out0"},
57 {"ssp2 Tx", NULL, "codec_out1"},
58 {"codec_in0", NULL, "ssp2 Rx"},
59 {"codec_in1", NULL, "ssp2 Rx"},
60 {"ssp2 Rx", NULL, "AIF1 Capture"},
61
62 {"Headset Mic", NULL, "MICBIAS1"},
63 {"IN2P", NULL, "Headset Mic"},
64 {"Headphone", NULL, "HPOL"},
65 {"Headphone", NULL, "HPOR"},
66 {"Speaker", NULL, "SPOLP"},
67 {"Speaker", NULL, "SPOLN"},
68 {"Speaker", NULL, "SPORP"},
69 {"Speaker", NULL, "SPORN"},
70};
71
72static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
73 {"DMIC1", NULL, "Internal Mic"},
74};
75
76static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
77 {"DMIC2", NULL, "Internal Mic"},
78};
79
80static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
81 {"Internal Mic", NULL, "MICBIAS1"},
82 {"IN1P", NULL, "Internal Mic"},
83};
84
85static const struct snd_kcontrol_new byt_rt5640_controls[] = {
86 SOC_DAPM_PIN_SWITCH("Headphone"),
87 SOC_DAPM_PIN_SWITCH("Headset Mic"),
88 SOC_DAPM_PIN_SWITCH("Internal Mic"),
89 SOC_DAPM_PIN_SWITCH("Speaker"),
90};
91
92static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
93 struct snd_pcm_hw_params *params)
94{
95 struct snd_soc_pcm_runtime *rtd = substream->private_data;
96 struct snd_soc_dai *codec_dai = rtd->codec_dai;
97 int ret;
98
99 snd_soc_dai_set_bclk_ratio(codec_dai, 50);
100
101 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
102 params_rate(params) * 512,
103 SND_SOC_CLOCK_IN);
104 if (ret < 0) {
105 dev_err(rtd->dev, "can't set codec clock %d\n", ret);
106 return ret;
107 }
108
109 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
110 params_rate(params) * 50,
111 params_rate(params) * 512);
112 if (ret < 0) {
113 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
114 return ret;
115 }
116
117 return 0;
118}
119
120static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
121{
122 byt_rt5640_quirk = (unsigned long)id->driver_data;
123 return 1;
124}
125
126static const struct dmi_system_id byt_rt5640_quirk_table[] = {
127 {
128 .callback = byt_rt5640_quirk_cb,
129 .matches = {
130 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
131 DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
132 },
133 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
134 },
135 {
136 .callback = byt_rt5640_quirk_cb,
137 .matches = {
138 DMI_MATCH(DMI_SYS_VENDOR, "DellInc."),
139 DMI_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
140 },
141 .driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP |
142 BYT_RT5640_DMIC_EN),
143 },
144 {
145 .callback = byt_rt5640_quirk_cb,
146 .matches = {
147 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
148 DMI_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
149 },
150 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
151 },
152 {}
153};
154
155static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
156{
157 int ret;
158 struct snd_soc_codec *codec = runtime->codec;
159 struct snd_soc_card *card = runtime->card;
160 const struct snd_soc_dapm_route *custom_map;
161 int num_routes;
162
163 card->dapm.idle_bias_off = true;
164
165 rt5640_sel_asrc_clk_src(codec,
166 RT5640_DA_STEREO_FILTER |
167 RT5640_AD_STEREO_FILTER,
168 RT5640_CLK_SEL_ASRC);
169
170 ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
171 ARRAY_SIZE(byt_rt5640_controls));
172 if (ret) {
173 dev_err(card->dev, "unable to add card controls\n");
174 return ret;
175 }
176
177 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
178 case BYT_RT5640_IN1_MAP:
179 custom_map = byt_rt5640_intmic_in1_map;
180 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
181 break;
182 case BYT_RT5640_DMIC2_MAP:
183 custom_map = byt_rt5640_intmic_dmic2_map;
184 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
185 break;
186 default:
187 custom_map = byt_rt5640_intmic_dmic1_map;
188 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
189 }
190
191 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
192 if (ret)
193 return ret;
194
195 if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
196 ret = rt5640_dmic_enable(codec, 0, 0);
197 if (ret)
198 return ret;
199 }
200
201 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
202 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
203
204 return ret;
205}
206
207static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
208 .formats = SNDRV_PCM_FMTBIT_S24_LE,
209 .rate_min = 48000,
210 .rate_max = 48000,
211 .channels_min = 2,
212 .channels_max = 2,
213};
214
215static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
216 struct snd_pcm_hw_params *params)
217{
218 struct snd_interval *rate = hw_param_interval(params,
219 SNDRV_PCM_HW_PARAM_RATE);
220 struct snd_interval *channels = hw_param_interval(params,
221 SNDRV_PCM_HW_PARAM_CHANNELS);
222 int ret;
223
224
225 rate->min = rate->max = 48000;
226 channels->min = channels->max = 2;
227
228
229 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
230
231
232
233
234
235
236 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
237 SND_SOC_DAIFMT_I2S |
238 SND_SOC_DAIFMT_NB_IF |
239 SND_SOC_DAIFMT_CBS_CFS
240 );
241 if (ret < 0) {
242 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
243 return ret;
244 }
245
246 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
247 if (ret < 0) {
248 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
249 return ret;
250 }
251
252 return 0;
253}
254
255static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
256{
257 return snd_pcm_hw_constraint_single(substream->runtime,
258 SNDRV_PCM_HW_PARAM_RATE, 48000);
259}
260
261static struct snd_soc_ops byt_rt5640_aif1_ops = {
262 .startup = byt_rt5640_aif1_startup,
263};
264
265static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
266 .hw_params = byt_rt5640_aif1_hw_params,
267};
268
269static struct snd_soc_dai_link byt_rt5640_dais[] = {
270 [MERR_DPCM_AUDIO] = {
271 .name = "Baytrail Audio Port",
272 .stream_name = "Baytrail Audio",
273 .cpu_dai_name = "media-cpu-dai",
274 .codec_dai_name = "snd-soc-dummy-dai",
275 .codec_name = "snd-soc-dummy",
276 .platform_name = "sst-mfld-platform",
277 .ignore_suspend = 1,
278 .dynamic = 1,
279 .dpcm_playback = 1,
280 .dpcm_capture = 1,
281 .ops = &byt_rt5640_aif1_ops,
282 },
283 [MERR_DPCM_DEEP_BUFFER] = {
284 .name = "Deep-Buffer Audio Port",
285 .stream_name = "Deep-Buffer Audio",
286 .cpu_dai_name = "deepbuffer-cpu-dai",
287 .codec_dai_name = "snd-soc-dummy-dai",
288 .codec_name = "snd-soc-dummy",
289 .platform_name = "sst-mfld-platform",
290 .ignore_suspend = 1,
291 .nonatomic = true,
292 .dynamic = 1,
293 .dpcm_playback = 1,
294 .ops = &byt_rt5640_aif1_ops,
295 },
296 [MERR_DPCM_COMPR] = {
297 .name = "Baytrail Compressed Port",
298 .stream_name = "Baytrail Compress",
299 .cpu_dai_name = "compress-cpu-dai",
300 .codec_dai_name = "snd-soc-dummy-dai",
301 .codec_name = "snd-soc-dummy",
302 .platform_name = "sst-mfld-platform",
303 },
304
305 {
306 .name = "SSP2-Codec",
307 .id = 1,
308 .cpu_dai_name = "ssp2-port",
309 .platform_name = "sst-mfld-platform",
310 .no_pcm = 1,
311 .codec_dai_name = "rt5640-aif1",
312 .codec_name = "i2c-10EC5640:00",
313 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
314 | SND_SOC_DAIFMT_CBS_CFS,
315 .be_hw_params_fixup = byt_rt5640_codec_fixup,
316 .ignore_suspend = 1,
317 .dpcm_playback = 1,
318 .dpcm_capture = 1,
319 .init = byt_rt5640_init,
320 .ops = &byt_rt5640_be_ssp2_ops,
321 },
322};
323
324
325static struct snd_soc_card byt_rt5640_card = {
326 .name = "bytcr-rt5640",
327 .owner = THIS_MODULE,
328 .dai_link = byt_rt5640_dais,
329 .num_links = ARRAY_SIZE(byt_rt5640_dais),
330 .dapm_widgets = byt_rt5640_widgets,
331 .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
332 .dapm_routes = byt_rt5640_audio_map,
333 .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
334 .fully_routed = true,
335};
336
337static char byt_rt5640_codec_name[16];
338
339static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
340{
341 int ret_val = 0;
342 struct sst_acpi_mach *mach;
343 const char *i2c_name = NULL;
344 int i;
345 int dai_index;
346
347
348 byt_rt5640_card.dev = &pdev->dev;
349 mach = byt_rt5640_card.dev->platform_data;
350
351
352 dai_index = MERR_DPCM_COMPR + 1;
353 for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
354 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
355 dai_index = i;
356 break;
357 }
358 }
359
360
361 i2c_name = sst_acpi_find_name_from_hid(mach->id);
362 if (i2c_name != NULL) {
363 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
364 "%s%s", "i2c-", i2c_name);
365
366 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
367 }
368
369
370 dmi_check_system(byt_rt5640_quirk_table);
371
372 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
373
374 if (ret_val) {
375 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
376 ret_val);
377 return ret_val;
378 }
379 platform_set_drvdata(pdev, &byt_rt5640_card);
380 return ret_val;
381}
382
383static struct platform_driver snd_byt_rt5640_mc_driver = {
384 .driver = {
385 .name = "bytcr_rt5640",
386 .pm = &snd_soc_pm_ops,
387 },
388 .probe = snd_byt_rt5640_mc_probe,
389};
390
391module_platform_driver(snd_byt_rt5640_mc_driver);
392
393MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
394MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
395MODULE_LICENSE("GPL v2");
396MODULE_ALIAS("platform:bytcr_rt5640");
397
