2 * byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
4 * Copyright (C) 2014 Intel Corp
5 * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.
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.
17 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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 <asm/cpu_device_id.h>
28 #include <asm/platform_sst_audio.h>
29 #include <linux/clk.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/soc.h>
33 #include <sound/jack.h>
34 #include "../../codecs/rt5640.h"
35 #include "../atom/sst-atom-controls.h"
36 #include "../common/sst-acpi.h"
37 #include "../common/sst-dsp.h"
46 #define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
47 #define BYT_RT5640_DMIC_EN BIT(16)
48 #define BYT_RT5640_MONO_SPEAKER BIT(17)
49 #define BYT_RT5640_DIFF_MIC BIT(18) /* defaut is single-ended */
50 #define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */
51 #define BYT_RT5640_SSP0_AIF1 BIT(20)
52 #define BYT_RT5640_SSP0_AIF2 BIT(21)
53 #define BYT_RT5640_MCLK_EN BIT(22)
54 #define BYT_RT5640_MCLK_25MHZ BIT(23)
56 struct byt_rt5640_private
{
60 static unsigned long byt_rt5640_quirk
= BYT_RT5640_MCLK_EN
;
62 static void log_quirks(struct device
*dev
)
64 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_DMIC1_MAP
)
65 dev_info(dev
, "quirk DMIC1_MAP enabled");
66 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_DMIC2_MAP
)
67 dev_info(dev
, "quirk DMIC2_MAP enabled");
68 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_IN1_MAP
)
69 dev_info(dev
, "quirk IN1_MAP enabled");
70 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_IN3_MAP
)
71 dev_info(dev
, "quirk IN3_MAP enabled");
72 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
)
73 dev_info(dev
, "quirk DMIC enabled");
74 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
)
75 dev_info(dev
, "quirk MONO_SPEAKER enabled");
76 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
)
77 dev_info(dev
, "quirk DIFF_MIC enabled");
78 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
)
79 dev_info(dev
, "quirk SSP2_AIF2 enabled");
80 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
)
81 dev_info(dev
, "quirk SSP0_AIF1 enabled");
82 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)
83 dev_info(dev
, "quirk SSP0_AIF2 enabled");
84 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
)
85 dev_info(dev
, "quirk MCLK_EN enabled");
86 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
)
87 dev_info(dev
, "quirk MCLK_25MHZ enabled");
91 #define BYT_CODEC_DAI1 "rt5640-aif1"
92 #define BYT_CODEC_DAI2 "rt5640-aif2"
94 static inline struct snd_soc_dai
*byt_get_codec_dai(struct snd_soc_card
*card
)
96 struct snd_soc_pcm_runtime
*rtd
;
98 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
99 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI1
,
100 strlen(BYT_CODEC_DAI1
)))
101 return rtd
->codec_dai
;
102 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI2
,
103 strlen(BYT_CODEC_DAI2
)))
104 return rtd
->codec_dai
;
110 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
111 struct snd_kcontrol
*k
, int event
)
113 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
114 struct snd_soc_card
*card
= dapm
->card
;
115 struct snd_soc_dai
*codec_dai
;
116 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
119 codec_dai
= byt_get_codec_dai(card
);
122 "Codec dai not found; Unable to set platform clock\n");
126 if (SND_SOC_DAPM_EVENT_ON(event
)) {
127 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
128 ret
= clk_prepare_enable(priv
->mclk
);
131 "could not configure MCLK state");
135 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
140 * Set codec clock source to internal clock before
141 * turning off the platform clock. Codec needs clock
142 * for Jack detection and button press
144 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_RCCLK
,
148 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
)
149 clk_disable_unprepare(priv
->mclk
);
154 dev_err(card
->dev
, "can't set codec sysclk: %d\n", ret
);
161 static const struct snd_soc_dapm_widget byt_rt5640_widgets
[] = {
162 SND_SOC_DAPM_HP("Headphone", NULL
),
163 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
164 SND_SOC_DAPM_MIC("Internal Mic", NULL
),
165 SND_SOC_DAPM_SPK("Speaker", NULL
),
166 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
167 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
|
168 SND_SOC_DAPM_POST_PMD
),
172 static const struct snd_soc_dapm_route byt_rt5640_audio_map
[] = {
173 {"Headphone", NULL
, "Platform Clock"},
174 {"Headset Mic", NULL
, "Platform Clock"},
175 {"Internal Mic", NULL
, "Platform Clock"},
176 {"Speaker", NULL
, "Platform Clock"},
178 {"Headset Mic", NULL
, "MICBIAS1"},
179 {"IN2P", NULL
, "Headset Mic"},
180 {"Headphone", NULL
, "HPOL"},
181 {"Headphone", NULL
, "HPOR"},
184 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map
[] = {
185 {"DMIC1", NULL
, "Internal Mic"},
188 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map
[] = {
189 {"DMIC2", NULL
, "Internal Mic"},
192 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map
[] = {
193 {"Internal Mic", NULL
, "MICBIAS1"},
194 {"IN1P", NULL
, "Internal Mic"},
197 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map
[] = {
198 {"Internal Mic", NULL
, "MICBIAS1"},
199 {"IN3P", NULL
, "Internal Mic"},
202 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map
[] = {
203 {"ssp2 Tx", NULL
, "codec_out0"},
204 {"ssp2 Tx", NULL
, "codec_out1"},
205 {"codec_in0", NULL
, "ssp2 Rx"},
206 {"codec_in1", NULL
, "ssp2 Rx"},
208 {"AIF1 Playback", NULL
, "ssp2 Tx"},
209 {"ssp2 Rx", NULL
, "AIF1 Capture"},
212 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map
[] = {
213 {"ssp2 Tx", NULL
, "codec_out0"},
214 {"ssp2 Tx", NULL
, "codec_out1"},
215 {"codec_in0", NULL
, "ssp2 Rx"},
216 {"codec_in1", NULL
, "ssp2 Rx"},
218 {"AIF2 Playback", NULL
, "ssp2 Tx"},
219 {"ssp2 Rx", NULL
, "AIF2 Capture"},
222 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map
[] = {
223 {"ssp0 Tx", NULL
, "modem_out"},
224 {"modem_in", NULL
, "ssp0 Rx"},
226 {"AIF1 Playback", NULL
, "ssp0 Tx"},
227 {"ssp0 Rx", NULL
, "AIF1 Capture"},
230 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map
[] = {
231 {"ssp0 Tx", NULL
, "modem_out"},
232 {"modem_in", NULL
, "ssp0 Rx"},
234 {"AIF2 Playback", NULL
, "ssp0 Tx"},
235 {"ssp0 Rx", NULL
, "AIF2 Capture"},
238 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map
[] = {
239 {"Speaker", NULL
, "SPOLP"},
240 {"Speaker", NULL
, "SPOLN"},
241 {"Speaker", NULL
, "SPORP"},
242 {"Speaker", NULL
, "SPORN"},
245 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map
[] = {
246 {"Speaker", NULL
, "SPOLP"},
247 {"Speaker", NULL
, "SPOLN"},
250 static const struct snd_kcontrol_new byt_rt5640_controls
[] = {
251 SOC_DAPM_PIN_SWITCH("Headphone"),
252 SOC_DAPM_PIN_SWITCH("Headset Mic"),
253 SOC_DAPM_PIN_SWITCH("Internal Mic"),
254 SOC_DAPM_PIN_SWITCH("Speaker"),
257 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream
*substream
,
258 struct snd_pcm_hw_params
*params
)
260 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
261 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
264 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
265 params_rate(params
) * 512,
269 dev_err(rtd
->dev
, "can't set codec clock %d\n", ret
);
273 if (!(byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
)) {
274 /* use bitclock as PLL input */
275 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
276 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
278 /* 2x16 bit slots on SSP0 */
279 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
281 params_rate(params
) * 32,
282 params_rate(params
) * 512);
284 /* 2x15 bit slots on SSP2 */
285 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
287 params_rate(params
) * 50,
288 params_rate(params
) * 512);
291 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
) {
292 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
295 params_rate(params
) * 512);
297 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
300 params_rate(params
) * 512);
305 dev_err(rtd
->dev
, "can't set codec pll: %d\n", ret
);
312 static int byt_rt5640_quirk_cb(const struct dmi_system_id
*id
)
314 byt_rt5640_quirk
= (unsigned long)id
->driver_data
;
318 static const struct dmi_system_id byt_rt5640_quirk_table
[] = {
320 .callback
= byt_rt5640_quirk_cb
,
322 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
323 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TA"),
325 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
329 .callback
= byt_rt5640_quirk_cb
,
331 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
332 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TAF"),
334 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
335 BYT_RT5640_MONO_SPEAKER
|
336 BYT_RT5640_DIFF_MIC
|
337 BYT_RT5640_SSP0_AIF2
|
342 .callback
= byt_rt5640_quirk_cb
,
344 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "DellInc."),
345 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "Venue 8 Pro 5830"),
347 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC2_MAP
|
352 .callback
= byt_rt5640_quirk_cb
,
354 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
355 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "HP ElitePad 1000 G2"),
357 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
361 .callback
= byt_rt5640_quirk_cb
,
363 DMI_MATCH(DMI_SYS_VENDOR
, "Circuitco"),
364 DMI_MATCH(DMI_PRODUCT_NAME
, "Minnowboard Max B3 PLATFORM"),
366 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC1_MAP
|
370 .callback
= byt_rt5640_quirk_cb
,
372 DMI_MATCH(DMI_BOARD_VENDOR
, "TECLAST"),
373 DMI_MATCH(DMI_BOARD_NAME
, "tPAD"),
375 .driver_data
= (unsigned long *)(BYT_RT5640_IN3_MAP
|
377 BYT_RT5640_SSP0_AIF1
),
380 .callback
= byt_rt5640_quirk_cb
,
382 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
383 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire SW5-012"),
385 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
387 BYT_RT5640_SSP0_AIF1
),
393 static int byt_rt5640_init(struct snd_soc_pcm_runtime
*runtime
)
396 struct snd_soc_codec
*codec
= runtime
->codec
;
397 struct snd_soc_card
*card
= runtime
->card
;
398 const struct snd_soc_dapm_route
*custom_map
;
399 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
402 card
->dapm
.idle_bias_off
= true;
404 rt5640_sel_asrc_clk_src(codec
,
405 RT5640_DA_STEREO_FILTER
|
406 RT5640_DA_MONO_L_FILTER
|
407 RT5640_DA_MONO_R_FILTER
|
408 RT5640_AD_STEREO_FILTER
|
409 RT5640_AD_MONO_L_FILTER
|
410 RT5640_AD_MONO_R_FILTER
,
411 RT5640_CLK_SEL_ASRC
);
413 ret
= snd_soc_add_card_controls(card
, byt_rt5640_controls
,
414 ARRAY_SIZE(byt_rt5640_controls
));
416 dev_err(card
->dev
, "unable to add card controls\n");
420 switch (BYT_RT5640_MAP(byt_rt5640_quirk
)) {
421 case BYT_RT5640_IN1_MAP
:
422 custom_map
= byt_rt5640_intmic_in1_map
;
423 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in1_map
);
425 case BYT_RT5640_IN3_MAP
:
426 custom_map
= byt_rt5640_intmic_in3_map
;
427 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in3_map
);
429 case BYT_RT5640_DMIC2_MAP
:
430 custom_map
= byt_rt5640_intmic_dmic2_map
;
431 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic2_map
);
434 custom_map
= byt_rt5640_intmic_dmic1_map
;
435 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic1_map
);
438 ret
= snd_soc_dapm_add_routes(&card
->dapm
, custom_map
, num_routes
);
442 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) {
443 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
444 byt_rt5640_ssp2_aif2_map
,
445 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map
));
446 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) {
447 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
448 byt_rt5640_ssp0_aif1_map
,
449 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map
));
450 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
) {
451 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
452 byt_rt5640_ssp0_aif2_map
,
453 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map
));
455 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
456 byt_rt5640_ssp2_aif1_map
,
457 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map
));
462 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
) {
463 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
464 byt_rt5640_mono_spk_map
,
465 ARRAY_SIZE(byt_rt5640_mono_spk_map
));
467 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
468 byt_rt5640_stereo_spk_map
,
469 ARRAY_SIZE(byt_rt5640_stereo_spk_map
));
474 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
) {
475 snd_soc_update_bits(codec
, RT5640_IN1_IN2
, RT5640_IN_DF1
,
479 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
) {
480 ret
= rt5640_dmic_enable(codec
, 0, 0);
485 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Headphone");
486 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Speaker");
488 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
490 * The firmware might enable the clock at
491 * boot (this information may or may not
492 * be reflected in the enable clock register).
493 * To change the rate we must disable the clock
494 * first to cover these cases. Due to common
495 * clock framework restrictions that do not allow
496 * to disable a clock that has not been enabled,
497 * we need to enable the clock first.
499 ret
= clk_prepare_enable(priv
->mclk
);
501 clk_disable_unprepare(priv
->mclk
);
503 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
)
504 ret
= clk_set_rate(priv
->mclk
, 25000000);
506 ret
= clk_set_rate(priv
->mclk
, 19200000);
509 dev_err(card
->dev
, "unable to set MCLK rate\n");
515 static const struct snd_soc_pcm_stream byt_rt5640_dai_params
= {
516 .formats
= SNDRV_PCM_FMTBIT_S24_LE
,
523 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
524 struct snd_pcm_hw_params
*params
)
526 struct snd_interval
*rate
= hw_param_interval(params
,
527 SNDRV_PCM_HW_PARAM_RATE
);
528 struct snd_interval
*channels
= hw_param_interval(params
,
529 SNDRV_PCM_HW_PARAM_CHANNELS
);
532 /* The DSP will covert the FE rate to 48k, stereo */
533 rate
->min
= rate
->max
= 48000;
534 channels
->min
= channels
->max
= 2;
536 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
537 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
539 /* set SSP0 to 16-bit */
540 params_set_format(params
, SNDRV_PCM_FORMAT_S16_LE
);
543 * Default mode for SSP configuration is TDM 4 slot, override config
544 * with explicit setting to I2S 2ch 16-bit. The word length is set with
545 * dai_set_tdm_slot() since there is no other API exposed
547 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
549 SND_SOC_DAIFMT_NB_NF
|
550 SND_SOC_DAIFMT_CBS_CFS
553 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
557 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
559 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
565 /* set SSP2 to 24-bit */
566 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
569 * Default mode for SSP configuration is TDM 4 slot, override config
570 * with explicit setting to I2S 2ch 24-bit. The word length is set with
571 * dai_set_tdm_slot() since there is no other API exposed
573 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
575 SND_SOC_DAIFMT_NB_NF
|
576 SND_SOC_DAIFMT_CBS_CFS
579 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
583 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 24);
585 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
592 static int byt_rt5640_aif1_startup(struct snd_pcm_substream
*substream
)
594 return snd_pcm_hw_constraint_single(substream
->runtime
,
595 SNDRV_PCM_HW_PARAM_RATE
, 48000);
598 static const struct snd_soc_ops byt_rt5640_aif1_ops
= {
599 .startup
= byt_rt5640_aif1_startup
,
602 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops
= {
603 .hw_params
= byt_rt5640_aif1_hw_params
,
606 static struct snd_soc_dai_link byt_rt5640_dais
[] = {
607 [MERR_DPCM_AUDIO
] = {
608 .name
= "Baytrail Audio Port",
609 .stream_name
= "Baytrail Audio",
610 .cpu_dai_name
= "media-cpu-dai",
611 .codec_dai_name
= "snd-soc-dummy-dai",
612 .codec_name
= "snd-soc-dummy",
613 .platform_name
= "sst-mfld-platform",
618 .ops
= &byt_rt5640_aif1_ops
,
620 [MERR_DPCM_DEEP_BUFFER
] = {
621 .name
= "Deep-Buffer Audio Port",
622 .stream_name
= "Deep-Buffer Audio",
623 .cpu_dai_name
= "deepbuffer-cpu-dai",
624 .codec_dai_name
= "snd-soc-dummy-dai",
625 .codec_name
= "snd-soc-dummy",
626 .platform_name
= "sst-mfld-platform",
631 .ops
= &byt_rt5640_aif1_ops
,
633 [MERR_DPCM_COMPR
] = {
634 .name
= "Baytrail Compressed Port",
635 .stream_name
= "Baytrail Compress",
636 .cpu_dai_name
= "compress-cpu-dai",
637 .codec_dai_name
= "snd-soc-dummy-dai",
638 .codec_name
= "snd-soc-dummy",
639 .platform_name
= "sst-mfld-platform",
643 .name
= "SSP2-Codec",
645 .cpu_dai_name
= "ssp2-port", /* overwritten for ssp0 routing */
646 .platform_name
= "sst-mfld-platform",
648 .codec_dai_name
= "rt5640-aif1", /* changed w/ quirk */
649 .codec_name
= "i2c-10EC5640:00", /* overwritten with HID */
650 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
651 | SND_SOC_DAIFMT_CBS_CFS
,
652 .be_hw_params_fixup
= byt_rt5640_codec_fixup
,
656 .init
= byt_rt5640_init
,
657 .ops
= &byt_rt5640_be_ssp2_ops
,
662 static struct snd_soc_card byt_rt5640_card
= {
663 .name
= "bytcr-rt5640",
664 .owner
= THIS_MODULE
,
665 .dai_link
= byt_rt5640_dais
,
666 .num_links
= ARRAY_SIZE(byt_rt5640_dais
),
667 .dapm_widgets
= byt_rt5640_widgets
,
668 .num_dapm_widgets
= ARRAY_SIZE(byt_rt5640_widgets
),
669 .dapm_routes
= byt_rt5640_audio_map
,
670 .num_dapm_routes
= ARRAY_SIZE(byt_rt5640_audio_map
),
671 .fully_routed
= true,
674 static char byt_rt5640_codec_name
[16]; /* i2c-<HID>:00 with HID being 8 chars */
675 static char byt_rt5640_codec_aif_name
[12]; /* = "rt5640-aif[1|2]" */
676 static char byt_rt5640_cpu_dai_name
[10]; /* = "ssp[0|2]-port" */
678 static bool is_valleyview(void)
680 static const struct x86_cpu_id cpu_ids
[] = {
681 { X86_VENDOR_INTEL
, 6, 55 }, /* Valleyview, Bay Trail */
685 if (!x86_match_cpu(cpu_ids
))
690 struct acpi_chan_package
{ /* ACPICA seems to require 64 bit integers */
691 u64 aif_value
; /* 1: AIF1, 2: AIF2 */
692 u64 mclock_value
; /* usually 25MHz (0x17d7940), ignored */
695 static int snd_byt_rt5640_mc_probe(struct platform_device
*pdev
)
698 struct sst_acpi_mach
*mach
;
699 const char *i2c_name
= NULL
;
702 struct byt_rt5640_private
*priv
;
703 bool is_bytcr
= false;
705 priv
= devm_kzalloc(&pdev
->dev
, sizeof(*priv
), GFP_ATOMIC
);
709 /* register the soc card */
710 byt_rt5640_card
.dev
= &pdev
->dev
;
711 mach
= byt_rt5640_card
.dev
->platform_data
;
712 snd_soc_card_set_drvdata(&byt_rt5640_card
, priv
);
714 /* fix index of codec dai */
715 dai_index
= MERR_DPCM_COMPR
+ 1;
716 for (i
= 0; i
< ARRAY_SIZE(byt_rt5640_dais
); i
++) {
717 if (!strcmp(byt_rt5640_dais
[i
].codec_name
, "i2c-10EC5640:00")) {
723 /* fixup codec name based on HID */
724 i2c_name
= sst_acpi_find_name_from_hid(mach
->id
);
725 if (i2c_name
!= NULL
) {
726 snprintf(byt_rt5640_codec_name
, sizeof(byt_rt5640_codec_name
),
727 "%s%s", "i2c-", i2c_name
);
729 byt_rt5640_dais
[dai_index
].codec_name
= byt_rt5640_codec_name
;
733 * swap SSP0 if bytcr is detected
734 * (will be overridden if DMI quirk is detected)
736 if (is_valleyview()) {
737 struct sst_platform_info
*p_info
= mach
->pdata
;
738 const struct sst_res_info
*res_info
= p_info
->res_info
;
740 if (res_info
->acpi_ipc_irq_index
== 0)
746 * Baytrail CR platforms may have CHAN package in BIOS, try
747 * to find relevant routing quirk based as done on Windows
748 * platforms. We have to read the information directly from the
749 * BIOS, at this stage the card is not created and the links
750 * with the codec driver/pdata are non-existent
753 struct acpi_chan_package chan_package
;
755 /* format specified: 2 64-bit integers */
756 struct acpi_buffer format
= {sizeof("NN"), "NN"};
757 struct acpi_buffer state
= {0, NULL
};
758 struct sst_acpi_package_context pkg_ctx
;
759 bool pkg_found
= false;
761 state
.length
= sizeof(chan_package
);
762 state
.pointer
= &chan_package
;
764 pkg_ctx
.name
= "CHAN";
766 pkg_ctx
.format
= &format
;
767 pkg_ctx
.state
= &state
;
768 pkg_ctx
.data_valid
= false;
770 pkg_found
= sst_acpi_find_package_from_hid(mach
->id
, &pkg_ctx
);
772 if (chan_package
.aif_value
== 1) {
773 dev_info(&pdev
->dev
, "BIOS Routing: AIF1 connected\n");
774 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF1
;
775 } else if (chan_package
.aif_value
== 2) {
776 dev_info(&pdev
->dev
, "BIOS Routing: AIF2 connected\n");
777 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF2
;
779 dev_info(&pdev
->dev
, "BIOS Routing isn't valid, ignored\n");
785 /* no BIOS indications, assume SSP0-AIF2 connection */
786 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF2
;
789 /* change defaults for Baytrail-CR capture */
790 byt_rt5640_quirk
|= BYT_RT5640_IN1_MAP
;
791 byt_rt5640_quirk
|= BYT_RT5640_DIFF_MIC
;
793 byt_rt5640_quirk
|= (BYT_RT5640_DMIC1_MAP
|
797 /* check quirks before creating card */
798 dmi_check_system(byt_rt5640_quirk_table
);
799 log_quirks(&pdev
->dev
);
801 if ((byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) ||
802 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
804 /* fixup codec aif name */
805 snprintf(byt_rt5640_codec_aif_name
,
806 sizeof(byt_rt5640_codec_aif_name
),
807 "%s", "rt5640-aif2");
809 byt_rt5640_dais
[dai_index
].codec_dai_name
=
810 byt_rt5640_codec_aif_name
;
813 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
814 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
816 /* fixup cpu dai name name */
817 snprintf(byt_rt5640_cpu_dai_name
,
818 sizeof(byt_rt5640_cpu_dai_name
),
821 byt_rt5640_dais
[dai_index
].cpu_dai_name
=
822 byt_rt5640_cpu_dai_name
;
825 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && (is_valleyview())) {
826 priv
->mclk
= devm_clk_get(&pdev
->dev
, "pmc_plt_clk_3");
827 if (IS_ERR(priv
->mclk
)) {
829 "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
830 PTR_ERR(priv
->mclk
));
831 return PTR_ERR(priv
->mclk
);
835 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, &byt_rt5640_card
);
838 dev_err(&pdev
->dev
, "devm_snd_soc_register_card failed %d\n",
842 platform_set_drvdata(pdev
, &byt_rt5640_card
);
846 static struct platform_driver snd_byt_rt5640_mc_driver
= {
848 .name
= "bytcr_rt5640",
850 .probe
= snd_byt_rt5640_mc_probe
,
853 module_platform_driver(snd_byt_rt5640_mc_driver
);
855 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
856 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
857 MODULE_LICENSE("GPL v2");
858 MODULE_ALIAS("platform:bytcr_rt5640");