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23#include <linux/module.h>
24#include <linux/acpi.h>
25#include <linux/platform_device.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/rt5645.h"
32#include "../atom/sst-atom-controls.h"
33#include "../common/sst-acpi.h"
34
35#define CHT_PLAT_CLK_3_HZ 19200000
36#define CHT_CODEC_DAI "rt5645-aif1"
37
38struct cht_acpi_card {
39 char *codec_id;
40 int codec_type;
41 struct snd_soc_card *soc_card;
42};
43
44struct cht_mc_private {
45 struct snd_soc_jack jack;
46 struct cht_acpi_card *acpi_card;
47};
48
49static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
50{
51 struct snd_soc_pcm_runtime *rtd;
52
53 list_for_each_entry(rtd, &card->rtd_list, list) {
54 if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI,
55 strlen(CHT_CODEC_DAI)))
56 return rtd->codec_dai;
57 }
58 return NULL;
59}
60
61static int platform_clock_control(struct snd_soc_dapm_widget *w,
62 struct snd_kcontrol *k, int event)
63{
64 struct snd_soc_dapm_context *dapm = w->dapm;
65 struct snd_soc_card *card = dapm->card;
66 struct snd_soc_dai *codec_dai;
67 int ret;
68
69 codec_dai = cht_get_codec_dai(card);
70 if (!codec_dai) {
71 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
72 return -EIO;
73 }
74
75 if (!SND_SOC_DAPM_EVENT_OFF(event))
76 return 0;
77
78
79
80
81
82
83 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
84 0, SND_SOC_CLOCK_IN);
85 if (ret < 0) {
86 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
87 return ret;
88 }
89
90 return 0;
91}
92
93static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
94 SND_SOC_DAPM_HP("Headphone", NULL),
95 SND_SOC_DAPM_MIC("Headset Mic", NULL),
96 SND_SOC_DAPM_MIC("Int Mic", NULL),
97 SND_SOC_DAPM_SPK("Ext Spk", NULL),
98 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
99 platform_clock_control, SND_SOC_DAPM_POST_PMD),
100};
101
102static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
103 {"IN1P", NULL, "Headset Mic"},
104 {"IN1N", NULL, "Headset Mic"},
105 {"DMIC L1", NULL, "Int Mic"},
106 {"DMIC R1", NULL, "Int Mic"},
107 {"Headphone", NULL, "HPOL"},
108 {"Headphone", NULL, "HPOR"},
109 {"Ext Spk", NULL, "SPOL"},
110 {"Ext Spk", NULL, "SPOR"},
111 {"AIF1 Playback", NULL, "ssp2 Tx"},
112 {"ssp2 Tx", NULL, "codec_out0"},
113 {"ssp2 Tx", NULL, "codec_out1"},
114 {"codec_in0", NULL, "ssp2 Rx" },
115 {"codec_in1", NULL, "ssp2 Rx" },
116 {"ssp2 Rx", NULL, "AIF1 Capture"},
117 {"Headphone", NULL, "Platform Clock"},
118 {"Headset Mic", NULL, "Platform Clock"},
119 {"Int Mic", NULL, "Platform Clock"},
120 {"Ext Spk", NULL, "Platform Clock"},
121};
122
123static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
124 {"IN1P", NULL, "Headset Mic"},
125 {"IN1N", NULL, "Headset Mic"},
126 {"DMIC L2", NULL, "Int Mic"},
127 {"DMIC R2", NULL, "Int Mic"},
128 {"Headphone", NULL, "HPOL"},
129 {"Headphone", NULL, "HPOR"},
130 {"Ext Spk", NULL, "SPOL"},
131 {"Ext Spk", NULL, "SPOR"},
132 {"AIF1 Playback", NULL, "ssp2 Tx"},
133 {"ssp2 Tx", NULL, "codec_out0"},
134 {"ssp2 Tx", NULL, "codec_out1"},
135 {"codec_in0", NULL, "ssp2 Rx" },
136 {"codec_in1", NULL, "ssp2 Rx" },
137 {"ssp2 Rx", NULL, "AIF1 Capture"},
138 {"Headphone", NULL, "Platform Clock"},
139 {"Headset Mic", NULL, "Platform Clock"},
140 {"Int Mic", NULL, "Platform Clock"},
141 {"Ext Spk", NULL, "Platform Clock"},
142};
143
144static const struct snd_kcontrol_new cht_mc_controls[] = {
145 SOC_DAPM_PIN_SWITCH("Headphone"),
146 SOC_DAPM_PIN_SWITCH("Headset Mic"),
147 SOC_DAPM_PIN_SWITCH("Int Mic"),
148 SOC_DAPM_PIN_SWITCH("Ext Spk"),
149};
150
151static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
152 {
153 .pin = "Headphone",
154 .mask = SND_JACK_HEADPHONE,
155 },
156 {
157 .pin = "Headset Mic",
158 .mask = SND_JACK_MICROPHONE,
159 },
160};
161
162static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
163 struct snd_pcm_hw_params *params)
164{
165 struct snd_soc_pcm_runtime *rtd = substream->private_data;
166 struct snd_soc_dai *codec_dai = rtd->codec_dai;
167 int ret;
168
169
170 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
171 CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
172 if (ret < 0) {
173 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
174 return ret;
175 }
176
177 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
178 params_rate(params) * 512, SND_SOC_CLOCK_IN);
179 if (ret < 0) {
180 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
181 return ret;
182 }
183
184 return 0;
185}
186
187static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
188{
189 int ret;
190 int jack_type;
191 struct snd_soc_codec *codec = runtime->codec;
192 struct snd_soc_dai *codec_dai = runtime->codec_dai;
193 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
194
195
196 rt5645_sel_asrc_clk_src(codec,
197 RT5645_DA_STEREO_FILTER |
198 RT5645_DA_MONO_L_FILTER |
199 RT5645_DA_MONO_R_FILTER |
200 RT5645_AD_STEREO_FILTER,
201 RT5645_CLK_SEL_I2S1_ASRC);
202
203
204 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
205 if (ret < 0) {
206 dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
207 return ret;
208 }
209
210 if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
211 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
212 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
213 SND_JACK_BTN_2 | SND_JACK_BTN_3;
214 else
215 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
216
217 ret = snd_soc_card_jack_new(runtime->card, "Headset",
218 jack_type, &ctx->jack,
219 cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
220 if (ret) {
221 dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
222 return ret;
223 }
224
225 rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);
226
227 return ret;
228}
229
230static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
231 struct snd_pcm_hw_params *params)
232{
233 struct snd_interval *rate = hw_param_interval(params,
234 SNDRV_PCM_HW_PARAM_RATE);
235 struct snd_interval *channels = hw_param_interval(params,
236 SNDRV_PCM_HW_PARAM_CHANNELS);
237
238
239 rate->min = rate->max = 48000;
240 channels->min = channels->max = 2;
241
242
243 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
244 return 0;
245}
246
247static int cht_aif1_startup(struct snd_pcm_substream *substream)
248{
249 return snd_pcm_hw_constraint_single(substream->runtime,
250 SNDRV_PCM_HW_PARAM_RATE, 48000);
251}
252
253static struct snd_soc_ops cht_aif1_ops = {
254 .startup = cht_aif1_startup,
255};
256
257static struct snd_soc_ops cht_be_ssp2_ops = {
258 .hw_params = cht_aif1_hw_params,
259};
260
261static struct snd_soc_dai_link cht_dailink[] = {
262 [MERR_DPCM_AUDIO] = {
263 .name = "Audio Port",
264 .stream_name = "Audio",
265 .cpu_dai_name = "media-cpu-dai",
266 .codec_dai_name = "snd-soc-dummy-dai",
267 .codec_name = "snd-soc-dummy",
268 .platform_name = "sst-mfld-platform",
269 .nonatomic = true,
270 .dynamic = 1,
271 .dpcm_playback = 1,
272 .dpcm_capture = 1,
273 .ops = &cht_aif1_ops,
274 },
275 [MERR_DPCM_DEEP_BUFFER] = {
276 .name = "Deep-Buffer Audio Port",
277 .stream_name = "Deep-Buffer Audio",
278 .cpu_dai_name = "deepbuffer-cpu-dai",
279 .codec_dai_name = "snd-soc-dummy-dai",
280 .codec_name = "snd-soc-dummy",
281 .platform_name = "sst-mfld-platform",
282 .nonatomic = true,
283 .dynamic = 1,
284 .dpcm_playback = 1,
285 .ops = &cht_aif1_ops,
286 },
287 [MERR_DPCM_COMPR] = {
288 .name = "Compressed Port",
289 .stream_name = "Compress",
290 .cpu_dai_name = "compress-cpu-dai",
291 .codec_dai_name = "snd-soc-dummy-dai",
292 .codec_name = "snd-soc-dummy",
293 .platform_name = "sst-mfld-platform",
294 },
295
296
297 {
298 .name = "SSP2-Codec",
299 .id = 1,
300 .cpu_dai_name = "ssp2-port",
301 .platform_name = "sst-mfld-platform",
302 .no_pcm = 1,
303 .codec_dai_name = "rt5645-aif1",
304 .codec_name = "i2c-10EC5645:00",
305 .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
306 | SND_SOC_DAIFMT_CBS_CFS,
307 .init = cht_codec_init,
308 .be_hw_params_fixup = cht_codec_fixup,
309 .nonatomic = true,
310 .dpcm_playback = 1,
311 .dpcm_capture = 1,
312 .ops = &cht_be_ssp2_ops,
313 },
314};
315
316
317static struct snd_soc_card snd_soc_card_chtrt5645 = {
318 .name = "chtrt5645",
319 .owner = THIS_MODULE,
320 .dai_link = cht_dailink,
321 .num_links = ARRAY_SIZE(cht_dailink),
322 .dapm_widgets = cht_dapm_widgets,
323 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
324 .dapm_routes = cht_rt5645_audio_map,
325 .num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
326 .controls = cht_mc_controls,
327 .num_controls = ARRAY_SIZE(cht_mc_controls),
328};
329
330static struct snd_soc_card snd_soc_card_chtrt5650 = {
331 .name = "chtrt5650",
332 .owner = THIS_MODULE,
333 .dai_link = cht_dailink,
334 .num_links = ARRAY_SIZE(cht_dailink),
335 .dapm_widgets = cht_dapm_widgets,
336 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
337 .dapm_routes = cht_rt5650_audio_map,
338 .num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
339 .controls = cht_mc_controls,
340 .num_controls = ARRAY_SIZE(cht_mc_controls),
341};
342
343static struct cht_acpi_card snd_soc_cards[] = {
344 {"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
345 {"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
346 {"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
347};
348
349static char cht_rt5640_codec_name[16];
350
351static int snd_cht_mc_probe(struct platform_device *pdev)
352{
353 int ret_val = 0;
354 int i;
355 struct cht_mc_private *drv;
356 struct snd_soc_card *card = snd_soc_cards[0].soc_card;
357 char codec_name[16];
358 struct sst_acpi_mach *mach;
359 const char *i2c_name = NULL;
360 int dai_index = 0;
361
362 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
363 if (!drv)
364 return -ENOMEM;
365
366 for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
367 if (acpi_dev_found(snd_soc_cards[i].codec_id)) {
368 dev_dbg(&pdev->dev,
369 "found codec %s\n", snd_soc_cards[i].codec_id);
370 card = snd_soc_cards[i].soc_card;
371 drv->acpi_card = &snd_soc_cards[i];
372 break;
373 }
374 }
375 card->dev = &pdev->dev;
376 mach = card->dev->platform_data;
377 sprintf(codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
378
379
380 for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
381 if (!strcmp(card->dai_link[i].codec_name, "i2c-10EC5645:00")) {
382 card->dai_link[i].codec_name = kstrdup(codec_name, GFP_KERNEL);
383 dai_index = i;
384 }
385
386
387 i2c_name = sst_acpi_find_name_from_hid(mach->id);
388 if (i2c_name != NULL) {
389 snprintf(cht_rt5640_codec_name, sizeof(cht_rt5640_codec_name),
390 "%s%s", "i2c-", i2c_name);
391 cht_dailink[dai_index].codec_name = cht_rt5640_codec_name;
392 }
393
394 snd_soc_card_set_drvdata(card, drv);
395 ret_val = devm_snd_soc_register_card(&pdev->dev, card);
396 if (ret_val) {
397 dev_err(&pdev->dev,
398 "snd_soc_register_card failed %d\n", ret_val);
399 return ret_val;
400 }
401 platform_set_drvdata(pdev, card);
402 return ret_val;
403}
404
405static struct platform_driver snd_cht_mc_driver = {
406 .driver = {
407 .name = "cht-bsw-rt5645",
408 },
409 .probe = snd_cht_mc_probe,
410};
411
412module_platform_driver(snd_cht_mc_driver)
413
414MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
415MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
416MODULE_LICENSE("GPL v2");
417MODULE_ALIAS("platform:cht-bsw-rt5645");
418
