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_DMIC1_MAP
|
64 static void log_quirks(struct device
*dev
)
66 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_DMIC1_MAP
)
67 dev_info(dev
, "quirk DMIC1_MAP enabled");
68 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_DMIC2_MAP
)
69 dev_info(dev
, "quirk DMIC2_MAP enabled");
70 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_IN1_MAP
)
71 dev_info(dev
, "quirk IN1_MAP enabled");
72 if (BYT_RT5640_MAP(byt_rt5640_quirk
) == BYT_RT5640_IN3_MAP
)
73 dev_info(dev
, "quirk IN3_MAP enabled");
74 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
)
75 dev_info(dev
, "quirk DMIC enabled");
76 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
)
77 dev_info(dev
, "quirk MONO_SPEAKER enabled");
78 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
)
79 dev_info(dev
, "quirk DIFF_MIC enabled");
80 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
)
81 dev_info(dev
, "quirk SSP2_AIF2 enabled");
82 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
)
83 dev_info(dev
, "quirk SSP0_AIF1 enabled");
84 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)
85 dev_info(dev
, "quirk SSP0_AIF2 enabled");
86 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
)
87 dev_info(dev
, "quirk MCLK_EN enabled");
88 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
)
89 dev_info(dev
, "quirk MCLK_25MHZ enabled");
93 #define BYT_CODEC_DAI1 "rt5640-aif1"
94 #define BYT_CODEC_DAI2 "rt5640-aif2"
96 static inline struct snd_soc_dai
*byt_get_codec_dai(struct snd_soc_card
*card
)
98 struct snd_soc_pcm_runtime
*rtd
;
100 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
101 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI1
,
102 strlen(BYT_CODEC_DAI1
)))
103 return rtd
->codec_dai
;
104 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI2
,
105 strlen(BYT_CODEC_DAI2
)))
106 return rtd
->codec_dai
;
112 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
113 struct snd_kcontrol
*k
, int event
)
115 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
116 struct snd_soc_card
*card
= dapm
->card
;
117 struct snd_soc_dai
*codec_dai
;
118 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
121 codec_dai
= byt_get_codec_dai(card
);
124 "Codec dai not found; Unable to set platform clock\n");
128 if (SND_SOC_DAPM_EVENT_ON(event
)) {
129 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
130 ret
= clk_prepare_enable(priv
->mclk
);
133 "could not configure MCLK state");
137 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
142 * Set codec clock source to internal clock before
143 * turning off the platform clock. Codec needs clock
144 * for Jack detection and button press
146 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_RCCLK
,
150 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
)
151 clk_disable_unprepare(priv
->mclk
);
156 dev_err(card
->dev
, "can't set codec sysclk: %d\n", ret
);
163 static const struct snd_soc_dapm_widget byt_rt5640_widgets
[] = {
164 SND_SOC_DAPM_HP("Headphone", NULL
),
165 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
166 SND_SOC_DAPM_MIC("Internal Mic", NULL
),
167 SND_SOC_DAPM_SPK("Speaker", NULL
),
168 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
169 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
|
170 SND_SOC_DAPM_POST_PMD
),
174 static const struct snd_soc_dapm_route byt_rt5640_audio_map
[] = {
175 {"Headphone", NULL
, "Platform Clock"},
176 {"Headset Mic", NULL
, "Platform Clock"},
177 {"Internal Mic", NULL
, "Platform Clock"},
178 {"Speaker", NULL
, "Platform Clock"},
180 {"Headset Mic", NULL
, "MICBIAS1"},
181 {"IN2P", NULL
, "Headset Mic"},
182 {"Headphone", NULL
, "HPOL"},
183 {"Headphone", NULL
, "HPOR"},
186 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map
[] = {
187 {"DMIC1", NULL
, "Internal Mic"},
190 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map
[] = {
191 {"DMIC2", NULL
, "Internal Mic"},
194 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map
[] = {
195 {"Internal Mic", NULL
, "MICBIAS1"},
196 {"IN1P", NULL
, "Internal Mic"},
199 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map
[] = {
200 {"Internal Mic", NULL
, "MICBIAS1"},
201 {"IN3P", NULL
, "Internal Mic"},
204 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map
[] = {
205 {"ssp2 Tx", NULL
, "codec_out0"},
206 {"ssp2 Tx", NULL
, "codec_out1"},
207 {"codec_in0", NULL
, "ssp2 Rx"},
208 {"codec_in1", NULL
, "ssp2 Rx"},
210 {"AIF1 Playback", NULL
, "ssp2 Tx"},
211 {"ssp2 Rx", NULL
, "AIF1 Capture"},
214 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map
[] = {
215 {"ssp2 Tx", NULL
, "codec_out0"},
216 {"ssp2 Tx", NULL
, "codec_out1"},
217 {"codec_in0", NULL
, "ssp2 Rx"},
218 {"codec_in1", NULL
, "ssp2 Rx"},
220 {"AIF2 Playback", NULL
, "ssp2 Tx"},
221 {"ssp2 Rx", NULL
, "AIF2 Capture"},
224 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map
[] = {
225 {"ssp0 Tx", NULL
, "modem_out"},
226 {"modem_in", NULL
, "ssp0 Rx"},
228 {"AIF1 Playback", NULL
, "ssp0 Tx"},
229 {"ssp0 Rx", NULL
, "AIF1 Capture"},
232 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map
[] = {
233 {"ssp0 Tx", NULL
, "modem_out"},
234 {"modem_in", NULL
, "ssp0 Rx"},
236 {"AIF2 Playback", NULL
, "ssp0 Tx"},
237 {"ssp0 Rx", NULL
, "AIF2 Capture"},
240 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map
[] = {
241 {"Speaker", NULL
, "SPOLP"},
242 {"Speaker", NULL
, "SPOLN"},
243 {"Speaker", NULL
, "SPORP"},
244 {"Speaker", NULL
, "SPORN"},
247 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map
[] = {
248 {"Speaker", NULL
, "SPOLP"},
249 {"Speaker", NULL
, "SPOLN"},
252 static const struct snd_kcontrol_new byt_rt5640_controls
[] = {
253 SOC_DAPM_PIN_SWITCH("Headphone"),
254 SOC_DAPM_PIN_SWITCH("Headset Mic"),
255 SOC_DAPM_PIN_SWITCH("Internal Mic"),
256 SOC_DAPM_PIN_SWITCH("Speaker"),
259 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream
*substream
,
260 struct snd_pcm_hw_params
*params
)
262 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
263 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
266 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
267 params_rate(params
) * 512,
271 dev_err(rtd
->dev
, "can't set codec clock %d\n", ret
);
275 if (!(byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
)) {
276 /* use bitclock as PLL input */
277 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
278 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
280 /* 2x16 bit slots on SSP0 */
281 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
283 params_rate(params
) * 32,
284 params_rate(params
) * 512);
286 /* 2x15 bit slots on SSP2 */
287 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
289 params_rate(params
) * 50,
290 params_rate(params
) * 512);
293 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
) {
294 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
297 params_rate(params
) * 512);
299 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
302 params_rate(params
) * 512);
307 dev_err(rtd
->dev
, "can't set codec pll: %d\n", ret
);
314 static int byt_rt5640_quirk_cb(const struct dmi_system_id
*id
)
316 byt_rt5640_quirk
= (unsigned long)id
->driver_data
;
320 static const struct dmi_system_id byt_rt5640_quirk_table
[] = {
322 .callback
= byt_rt5640_quirk_cb
,
324 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
325 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TA"),
327 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
331 .callback
= byt_rt5640_quirk_cb
,
333 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
334 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TAF"),
336 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
337 BYT_RT5640_MONO_SPEAKER
|
338 BYT_RT5640_DIFF_MIC
|
339 BYT_RT5640_SSP0_AIF2
|
344 .callback
= byt_rt5640_quirk_cb
,
346 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "DellInc."),
347 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "Venue 8 Pro 5830"),
349 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC2_MAP
|
354 .callback
= byt_rt5640_quirk_cb
,
356 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
357 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "HP ElitePad 1000 G2"),
359 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
363 .callback
= byt_rt5640_quirk_cb
,
365 DMI_MATCH(DMI_SYS_VENDOR
, "Circuitco"),
366 DMI_MATCH(DMI_PRODUCT_NAME
, "Minnowboard Max B3 PLATFORM"),
368 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC1_MAP
|
372 .callback
= byt_rt5640_quirk_cb
,
374 DMI_MATCH(DMI_BOARD_VENDOR
, "TECLAST"),
375 DMI_MATCH(DMI_BOARD_NAME
, "tPAD"),
377 .driver_data
= (unsigned long *)(BYT_RT5640_IN3_MAP
|
379 BYT_RT5640_SSP0_AIF1
),
382 .callback
= byt_rt5640_quirk_cb
,
384 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
385 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire SW5-012"),
387 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
389 BYT_RT5640_SSP0_AIF1
),
395 static int byt_rt5640_init(struct snd_soc_pcm_runtime
*runtime
)
398 struct snd_soc_codec
*codec
= runtime
->codec
;
399 struct snd_soc_card
*card
= runtime
->card
;
400 const struct snd_soc_dapm_route
*custom_map
;
401 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
404 card
->dapm
.idle_bias_off
= true;
406 rt5640_sel_asrc_clk_src(codec
,
407 RT5640_DA_STEREO_FILTER
|
408 RT5640_DA_MONO_L_FILTER
|
409 RT5640_DA_MONO_R_FILTER
|
410 RT5640_AD_STEREO_FILTER
|
411 RT5640_AD_MONO_L_FILTER
|
412 RT5640_AD_MONO_R_FILTER
,
413 RT5640_CLK_SEL_ASRC
);
415 ret
= snd_soc_add_card_controls(card
, byt_rt5640_controls
,
416 ARRAY_SIZE(byt_rt5640_controls
));
418 dev_err(card
->dev
, "unable to add card controls\n");
422 switch (BYT_RT5640_MAP(byt_rt5640_quirk
)) {
423 case BYT_RT5640_IN1_MAP
:
424 custom_map
= byt_rt5640_intmic_in1_map
;
425 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in1_map
);
427 case BYT_RT5640_IN3_MAP
:
428 custom_map
= byt_rt5640_intmic_in3_map
;
429 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in3_map
);
431 case BYT_RT5640_DMIC2_MAP
:
432 custom_map
= byt_rt5640_intmic_dmic2_map
;
433 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic2_map
);
436 custom_map
= byt_rt5640_intmic_dmic1_map
;
437 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic1_map
);
440 ret
= snd_soc_dapm_add_routes(&card
->dapm
, custom_map
, num_routes
);
444 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) {
445 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
446 byt_rt5640_ssp2_aif2_map
,
447 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map
));
448 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) {
449 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
450 byt_rt5640_ssp0_aif1_map
,
451 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map
));
452 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
) {
453 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
454 byt_rt5640_ssp0_aif2_map
,
455 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map
));
457 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
458 byt_rt5640_ssp2_aif1_map
,
459 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map
));
464 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
) {
465 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
466 byt_rt5640_mono_spk_map
,
467 ARRAY_SIZE(byt_rt5640_mono_spk_map
));
469 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
470 byt_rt5640_stereo_spk_map
,
471 ARRAY_SIZE(byt_rt5640_stereo_spk_map
));
476 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
) {
477 snd_soc_update_bits(codec
, RT5640_IN1_IN2
, RT5640_IN_DF1
,
481 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
) {
482 ret
= rt5640_dmic_enable(codec
, 0, 0);
487 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Headphone");
488 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Speaker");
490 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
492 * The firmware might enable the clock at
493 * boot (this information may or may not
494 * be reflected in the enable clock register).
495 * To change the rate we must disable the clock
496 * first to cover these cases. Due to common
497 * clock framework restrictions that do not allow
498 * to disable a clock that has not been enabled,
499 * we need to enable the clock first.
501 ret
= clk_prepare_enable(priv
->mclk
);
503 clk_disable_unprepare(priv
->mclk
);
505 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
)
506 ret
= clk_set_rate(priv
->mclk
, 25000000);
508 ret
= clk_set_rate(priv
->mclk
, 19200000);
511 dev_err(card
->dev
, "unable to set MCLK rate\n");
517 static const struct snd_soc_pcm_stream byt_rt5640_dai_params
= {
518 .formats
= SNDRV_PCM_FMTBIT_S24_LE
,
525 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
526 struct snd_pcm_hw_params
*params
)
528 struct snd_interval
*rate
= hw_param_interval(params
,
529 SNDRV_PCM_HW_PARAM_RATE
);
530 struct snd_interval
*channels
= hw_param_interval(params
,
531 SNDRV_PCM_HW_PARAM_CHANNELS
);
534 /* The DSP will covert the FE rate to 48k, stereo */
535 rate
->min
= rate
->max
= 48000;
536 channels
->min
= channels
->max
= 2;
538 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
539 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
541 /* set SSP0 to 16-bit */
542 params_set_format(params
, SNDRV_PCM_FORMAT_S16_LE
);
545 * Default mode for SSP configuration is TDM 4 slot, override config
546 * with explicit setting to I2S 2ch 16-bit. The word length is set with
547 * dai_set_tdm_slot() since there is no other API exposed
549 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
551 SND_SOC_DAIFMT_NB_IF
|
552 SND_SOC_DAIFMT_CBS_CFS
555 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
559 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
561 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
567 /* set SSP2 to 24-bit */
568 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
571 * Default mode for SSP configuration is TDM 4 slot, override config
572 * with explicit setting to I2S 2ch 24-bit. The word length is set with
573 * dai_set_tdm_slot() since there is no other API exposed
575 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
577 SND_SOC_DAIFMT_NB_IF
|
578 SND_SOC_DAIFMT_CBS_CFS
581 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
585 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 24);
587 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
594 static int byt_rt5640_aif1_startup(struct snd_pcm_substream
*substream
)
596 return snd_pcm_hw_constraint_single(substream
->runtime
,
597 SNDRV_PCM_HW_PARAM_RATE
, 48000);
600 static struct snd_soc_ops byt_rt5640_aif1_ops
= {
601 .startup
= byt_rt5640_aif1_startup
,
604 static struct snd_soc_ops byt_rt5640_be_ssp2_ops
= {
605 .hw_params
= byt_rt5640_aif1_hw_params
,
608 static struct snd_soc_dai_link byt_rt5640_dais
[] = {
609 [MERR_DPCM_AUDIO
] = {
610 .name
= "Baytrail Audio Port",
611 .stream_name
= "Baytrail Audio",
612 .cpu_dai_name
= "media-cpu-dai",
613 .codec_dai_name
= "snd-soc-dummy-dai",
614 .codec_name
= "snd-soc-dummy",
615 .platform_name
= "sst-mfld-platform",
620 .ops
= &byt_rt5640_aif1_ops
,
622 [MERR_DPCM_DEEP_BUFFER
] = {
623 .name
= "Deep-Buffer Audio Port",
624 .stream_name
= "Deep-Buffer Audio",
625 .cpu_dai_name
= "deepbuffer-cpu-dai",
626 .codec_dai_name
= "snd-soc-dummy-dai",
627 .codec_name
= "snd-soc-dummy",
628 .platform_name
= "sst-mfld-platform",
633 .ops
= &byt_rt5640_aif1_ops
,
635 [MERR_DPCM_COMPR
] = {
636 .name
= "Baytrail Compressed Port",
637 .stream_name
= "Baytrail Compress",
638 .cpu_dai_name
= "compress-cpu-dai",
639 .codec_dai_name
= "snd-soc-dummy-dai",
640 .codec_name
= "snd-soc-dummy",
641 .platform_name
= "sst-mfld-platform",
645 .name
= "SSP2-Codec",
647 .cpu_dai_name
= "ssp2-port", /* overwritten for ssp0 routing */
648 .platform_name
= "sst-mfld-platform",
650 .codec_dai_name
= "rt5640-aif1", /* changed w/ quirk */
651 .codec_name
= "i2c-10EC5640:00", /* overwritten with HID */
652 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
653 | SND_SOC_DAIFMT_CBS_CFS
,
654 .be_hw_params_fixup
= byt_rt5640_codec_fixup
,
658 .init
= byt_rt5640_init
,
659 .ops
= &byt_rt5640_be_ssp2_ops
,
664 static struct snd_soc_card byt_rt5640_card
= {
665 .name
= "bytcr-rt5640",
666 .owner
= THIS_MODULE
,
667 .dai_link
= byt_rt5640_dais
,
668 .num_links
= ARRAY_SIZE(byt_rt5640_dais
),
669 .dapm_widgets
= byt_rt5640_widgets
,
670 .num_dapm_widgets
= ARRAY_SIZE(byt_rt5640_widgets
),
671 .dapm_routes
= byt_rt5640_audio_map
,
672 .num_dapm_routes
= ARRAY_SIZE(byt_rt5640_audio_map
),
673 .fully_routed
= true,
676 static char byt_rt5640_codec_name
[16]; /* i2c-<HID>:00 with HID being 8 chars */
677 static char byt_rt5640_codec_aif_name
[12]; /* = "rt5640-aif[1|2]" */
678 static char byt_rt5640_cpu_dai_name
[10]; /* = "ssp[0|2]-port" */
680 static bool is_valleyview(void)
682 static const struct x86_cpu_id cpu_ids
[] = {
683 { X86_VENDOR_INTEL
, 6, 55 }, /* Valleyview, Bay Trail */
687 if (!x86_match_cpu(cpu_ids
))
693 static int snd_byt_rt5640_mc_probe(struct platform_device
*pdev
)
696 struct sst_acpi_mach
*mach
;
697 const char *i2c_name
= NULL
;
700 struct byt_rt5640_private
*priv
;
702 priv
= devm_kzalloc(&pdev
->dev
, sizeof(*priv
), GFP_ATOMIC
);
706 /* register the soc card */
707 byt_rt5640_card
.dev
= &pdev
->dev
;
708 mach
= byt_rt5640_card
.dev
->platform_data
;
709 snd_soc_card_set_drvdata(&byt_rt5640_card
, priv
);
711 /* fix index of codec dai */
712 dai_index
= MERR_DPCM_COMPR
+ 1;
713 for (i
= 0; i
< ARRAY_SIZE(byt_rt5640_dais
); i
++) {
714 if (!strcmp(byt_rt5640_dais
[i
].codec_name
, "i2c-10EC5640:00")) {
720 /* fixup codec name based on HID */
721 i2c_name
= sst_acpi_find_name_from_hid(mach
->id
);
722 if (i2c_name
!= NULL
) {
723 snprintf(byt_rt5640_codec_name
, sizeof(byt_rt5640_codec_name
),
724 "%s%s", "i2c-", i2c_name
);
726 byt_rt5640_dais
[dai_index
].codec_name
= byt_rt5640_codec_name
;
730 * swap SSP0 if bytcr is detected
731 * (will be overridden if DMI quirk is detected)
733 if (is_valleyview()) {
734 struct sst_platform_info
*p_info
= mach
->pdata
;
735 const struct sst_res_info
*res_info
= p_info
->res_info
;
737 /* TODO: use CHAN package info from BIOS to detect AIF1/AIF2 */
738 if (res_info
->acpi_ipc_irq_index
== 0) {
739 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF2
;
743 /* check quirks before creating card */
744 dmi_check_system(byt_rt5640_quirk_table
);
745 log_quirks(&pdev
->dev
);
747 if ((byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) ||
748 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
750 /* fixup codec aif name */
751 snprintf(byt_rt5640_codec_aif_name
,
752 sizeof(byt_rt5640_codec_aif_name
),
753 "%s", "rt5640-aif2");
755 byt_rt5640_dais
[dai_index
].codec_dai_name
=
756 byt_rt5640_codec_aif_name
;
759 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
760 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
762 /* fixup cpu dai name name */
763 snprintf(byt_rt5640_cpu_dai_name
,
764 sizeof(byt_rt5640_cpu_dai_name
),
767 byt_rt5640_dais
[dai_index
].cpu_dai_name
=
768 byt_rt5640_cpu_dai_name
;
771 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && (is_valleyview())) {
772 priv
->mclk
= devm_clk_get(&pdev
->dev
, "pmc_plt_clk_3");
773 if (IS_ERR(priv
->mclk
)) {
775 "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
776 PTR_ERR(priv
->mclk
));
777 return PTR_ERR(priv
->mclk
);
781 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, &byt_rt5640_card
);
784 dev_err(&pdev
->dev
, "devm_snd_soc_register_card failed %d\n",
788 platform_set_drvdata(pdev
, &byt_rt5640_card
);
792 static struct platform_driver snd_byt_rt5640_mc_driver
= {
794 .name
= "bytcr_rt5640",
795 .pm
= &snd_soc_pm_ops
,
797 .probe
= snd_byt_rt5640_mc_probe
,
800 module_platform_driver(snd_byt_rt5640_mc_driver
);
802 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
803 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
804 MODULE_LICENSE("GPL v2");
805 MODULE_ALIAS("platform:bytcr_rt5640");