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/moduleparam.h>
23 #include <linux/platform_device.h>
24 #include <linux/acpi.h>
25 #include <linux/device.h>
26 #include <linux/dmi.h>
27 #include <linux/slab.h>
28 #include <asm/cpu_device_id.h>
29 #include <asm/platform_sst_audio.h>
30 #include <linux/clk.h>
31 #include <sound/pcm.h>
32 #include <sound/pcm_params.h>
33 #include <sound/soc.h>
34 #include <sound/jack.h>
35 #include "../../codecs/rt5640.h"
36 #include "../atom/sst-atom-controls.h"
37 #include "../common/sst-acpi.h"
38 #include "../common/sst-dsp.h"
47 #define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
48 #define BYT_RT5640_DMIC_EN BIT(16)
49 #define BYT_RT5640_MONO_SPEAKER BIT(17)
50 #define BYT_RT5640_DIFF_MIC BIT(18) /* defaut is single-ended */
51 #define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */
52 #define BYT_RT5640_SSP0_AIF1 BIT(20)
53 #define BYT_RT5640_SSP0_AIF2 BIT(21)
54 #define BYT_RT5640_MCLK_EN BIT(22)
55 #define BYT_RT5640_MCLK_25MHZ BIT(23)
57 struct byt_rt5640_private
{
62 static unsigned long byt_rt5640_quirk
= BYT_RT5640_MCLK_EN
;
63 static unsigned int quirk_override
;
64 module_param_named(quirk
, quirk_override
, uint
, 0444);
65 MODULE_PARM_DESC(quirk
, "Board-specific quirk override");
67 static void log_quirks(struct device
*dev
)
70 bool has_dmic
= false;
71 bool has_mclk
= false;
72 bool has_ssp0
= false;
73 bool has_ssp0_aif1
= false;
74 bool has_ssp0_aif2
= false;
75 bool has_ssp2_aif2
= false;
77 map
= BYT_RT5640_MAP(byt_rt5640_quirk
);
79 case BYT_RT5640_DMIC1_MAP
:
80 dev_info(dev
, "quirk DMIC1_MAP enabled\n");
83 case BYT_RT5640_DMIC2_MAP
:
84 dev_info(dev
, "quirk DMIC2_MAP enabled\n");
87 case BYT_RT5640_IN1_MAP
:
88 dev_info(dev
, "quirk IN1_MAP enabled\n");
90 case BYT_RT5640_IN3_MAP
:
91 dev_info(dev
, "quirk IN3_MAP enabled\n");
94 dev_err(dev
, "quirk map 0x%x is not supported, microphone input will not work\n", map
);
97 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
) {
99 dev_info(dev
, "quirk DMIC enabled\n");
101 dev_err(dev
, "quirk DMIC enabled but no DMIC input set, will be ignored\n");
103 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
)
104 dev_info(dev
, "quirk MONO_SPEAKER enabled\n");
105 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
) {
107 dev_info(dev
, "quirk DIFF_MIC enabled\n");
109 dev_info(dev
, "quirk DIFF_MIC enabled but DMIC input selected, will be ignored\n");
111 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) {
112 dev_info(dev
, "quirk SSP0_AIF1 enabled\n");
114 has_ssp0_aif1
= true;
116 if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
) {
117 dev_info(dev
, "quirk SSP0_AIF2 enabled\n");
119 has_ssp0_aif2
= true;
121 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) {
122 dev_info(dev
, "quirk SSP2_AIF2 enabled\n");
123 has_ssp2_aif2
= true;
125 if (is_bytcr
&& !has_ssp0
)
126 dev_err(dev
, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
127 if (has_ssp0_aif1
&& has_ssp0_aif2
)
128 dev_err(dev
, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
129 if (has_ssp0
&& has_ssp2_aif2
)
130 dev_err(dev
, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
132 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) {
133 dev_info(dev
, "quirk MCLK_EN enabled\n");
136 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
) {
138 dev_info(dev
, "quirk MCLK_25MHZ enabled\n");
140 dev_err(dev
, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
145 #define BYT_CODEC_DAI1 "rt5640-aif1"
146 #define BYT_CODEC_DAI2 "rt5640-aif2"
148 static inline struct snd_soc_dai
*byt_get_codec_dai(struct snd_soc_card
*card
)
150 struct snd_soc_pcm_runtime
*rtd
;
152 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
153 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI1
,
154 strlen(BYT_CODEC_DAI1
)))
155 return rtd
->codec_dai
;
156 if (!strncmp(rtd
->codec_dai
->name
, BYT_CODEC_DAI2
,
157 strlen(BYT_CODEC_DAI2
)))
158 return rtd
->codec_dai
;
164 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
165 struct snd_kcontrol
*k
, int event
)
167 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
168 struct snd_soc_card
*card
= dapm
->card
;
169 struct snd_soc_dai
*codec_dai
;
170 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
173 codec_dai
= byt_get_codec_dai(card
);
176 "Codec dai not found; Unable to set platform clock\n");
180 if (SND_SOC_DAPM_EVENT_ON(event
)) {
181 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
182 ret
= clk_prepare_enable(priv
->mclk
);
185 "could not configure MCLK state\n");
189 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
194 * Set codec clock source to internal clock before
195 * turning off the platform clock. Codec needs clock
196 * for Jack detection and button press
198 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_RCCLK
,
202 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
)
203 clk_disable_unprepare(priv
->mclk
);
208 dev_err(card
->dev
, "can't set codec sysclk: %d\n", ret
);
215 static const struct snd_soc_dapm_widget byt_rt5640_widgets
[] = {
216 SND_SOC_DAPM_HP("Headphone", NULL
),
217 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
218 SND_SOC_DAPM_MIC("Internal Mic", NULL
),
219 SND_SOC_DAPM_SPK("Speaker", NULL
),
220 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
221 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
|
222 SND_SOC_DAPM_POST_PMD
),
226 static const struct snd_soc_dapm_route byt_rt5640_audio_map
[] = {
227 {"Headphone", NULL
, "Platform Clock"},
228 {"Headset Mic", NULL
, "Platform Clock"},
229 {"Internal Mic", NULL
, "Platform Clock"},
230 {"Speaker", NULL
, "Platform Clock"},
232 {"Headset Mic", NULL
, "MICBIAS1"},
233 {"IN2P", NULL
, "Headset Mic"},
234 {"Headphone", NULL
, "HPOL"},
235 {"Headphone", NULL
, "HPOR"},
238 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map
[] = {
239 {"DMIC1", NULL
, "Internal Mic"},
242 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map
[] = {
243 {"DMIC2", NULL
, "Internal Mic"},
246 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map
[] = {
247 {"Internal Mic", NULL
, "MICBIAS1"},
248 {"IN1P", NULL
, "Internal Mic"},
251 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map
[] = {
252 {"Internal Mic", NULL
, "MICBIAS1"},
253 {"IN3P", NULL
, "Internal Mic"},
256 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map
[] = {
257 {"ssp2 Tx", NULL
, "codec_out0"},
258 {"ssp2 Tx", NULL
, "codec_out1"},
259 {"codec_in0", NULL
, "ssp2 Rx"},
260 {"codec_in1", NULL
, "ssp2 Rx"},
262 {"AIF1 Playback", NULL
, "ssp2 Tx"},
263 {"ssp2 Rx", NULL
, "AIF1 Capture"},
266 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map
[] = {
267 {"ssp2 Tx", NULL
, "codec_out0"},
268 {"ssp2 Tx", NULL
, "codec_out1"},
269 {"codec_in0", NULL
, "ssp2 Rx"},
270 {"codec_in1", NULL
, "ssp2 Rx"},
272 {"AIF2 Playback", NULL
, "ssp2 Tx"},
273 {"ssp2 Rx", NULL
, "AIF2 Capture"},
276 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map
[] = {
277 {"ssp0 Tx", NULL
, "modem_out"},
278 {"modem_in", NULL
, "ssp0 Rx"},
280 {"AIF1 Playback", NULL
, "ssp0 Tx"},
281 {"ssp0 Rx", NULL
, "AIF1 Capture"},
284 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map
[] = {
285 {"ssp0 Tx", NULL
, "modem_out"},
286 {"modem_in", NULL
, "ssp0 Rx"},
288 {"AIF2 Playback", NULL
, "ssp0 Tx"},
289 {"ssp0 Rx", NULL
, "AIF2 Capture"},
292 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map
[] = {
293 {"Speaker", NULL
, "SPOLP"},
294 {"Speaker", NULL
, "SPOLN"},
295 {"Speaker", NULL
, "SPORP"},
296 {"Speaker", NULL
, "SPORN"},
299 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map
[] = {
300 {"Speaker", NULL
, "SPOLP"},
301 {"Speaker", NULL
, "SPOLN"},
304 static const struct snd_kcontrol_new byt_rt5640_controls
[] = {
305 SOC_DAPM_PIN_SWITCH("Headphone"),
306 SOC_DAPM_PIN_SWITCH("Headset Mic"),
307 SOC_DAPM_PIN_SWITCH("Internal Mic"),
308 SOC_DAPM_PIN_SWITCH("Speaker"),
311 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream
*substream
,
312 struct snd_pcm_hw_params
*params
)
314 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
315 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
318 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5640_SCLK_S_PLL1
,
319 params_rate(params
) * 512,
323 dev_err(rtd
->dev
, "can't set codec clock %d\n", ret
);
327 if (!(byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
)) {
328 /* use bitclock as PLL input */
329 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
330 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
332 /* 2x16 bit slots on SSP0 */
333 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
335 params_rate(params
) * 32,
336 params_rate(params
) * 512);
338 /* 2x15 bit slots on SSP2 */
339 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
341 params_rate(params
) * 50,
342 params_rate(params
) * 512);
345 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
) {
346 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
349 params_rate(params
) * 512);
351 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
354 params_rate(params
) * 512);
359 dev_err(rtd
->dev
, "can't set codec pll: %d\n", ret
);
366 static int byt_rt5640_quirk_cb(const struct dmi_system_id
*id
)
368 byt_rt5640_quirk
= (unsigned long)id
->driver_data
;
372 static const struct dmi_system_id byt_rt5640_quirk_table
[] = {
374 .callback
= byt_rt5640_quirk_cb
,
376 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
377 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TA"),
379 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
383 .callback
= byt_rt5640_quirk_cb
,
385 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "ASUSTeK COMPUTER INC."),
386 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "T100TAF"),
388 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
389 BYT_RT5640_MONO_SPEAKER
|
390 BYT_RT5640_DIFF_MIC
|
391 BYT_RT5640_SSP0_AIF2
|
396 .callback
= byt_rt5640_quirk_cb
,
398 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "DellInc."),
399 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "Venue 8 Pro 5830"),
401 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC2_MAP
|
406 .callback
= byt_rt5640_quirk_cb
,
408 DMI_EXACT_MATCH(DMI_SYS_VENDOR
, "Hewlett-Packard"),
409 DMI_EXACT_MATCH(DMI_PRODUCT_NAME
, "HP ElitePad 1000 G2"),
411 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
415 .callback
= byt_rt5640_quirk_cb
,
417 DMI_MATCH(DMI_SYS_VENDOR
, "Circuitco"),
418 DMI_MATCH(DMI_PRODUCT_NAME
, "Minnowboard Max B3 PLATFORM"),
420 .driver_data
= (unsigned long *)(BYT_RT5640_DMIC1_MAP
|
424 .callback
= byt_rt5640_quirk_cb
,
426 DMI_MATCH(DMI_BOARD_VENDOR
, "TECLAST"),
427 DMI_MATCH(DMI_BOARD_NAME
, "tPAD"),
429 .driver_data
= (unsigned long *)(BYT_RT5640_IN3_MAP
|
431 BYT_RT5640_SSP0_AIF1
),
434 .callback
= byt_rt5640_quirk_cb
,
436 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
437 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire SW5-012"),
439 .driver_data
= (unsigned long *)(BYT_RT5640_IN1_MAP
|
441 BYT_RT5640_SSP0_AIF1
),
445 .callback
= byt_rt5640_quirk_cb
,
447 DMI_MATCH(DMI_SYS_VENDOR
, "Insyde"),
449 .driver_data
= (unsigned long *)(BYT_RT5640_IN3_MAP
|
451 BYT_RT5640_SSP0_AIF1
),
457 static int byt_rt5640_init(struct snd_soc_pcm_runtime
*runtime
)
460 struct snd_soc_codec
*codec
= runtime
->codec
;
461 struct snd_soc_card
*card
= runtime
->card
;
462 const struct snd_soc_dapm_route
*custom_map
;
463 struct byt_rt5640_private
*priv
= snd_soc_card_get_drvdata(card
);
466 card
->dapm
.idle_bias_off
= true;
468 rt5640_sel_asrc_clk_src(codec
,
469 RT5640_DA_STEREO_FILTER
|
470 RT5640_DA_MONO_L_FILTER
|
471 RT5640_DA_MONO_R_FILTER
|
472 RT5640_AD_STEREO_FILTER
|
473 RT5640_AD_MONO_L_FILTER
|
474 RT5640_AD_MONO_R_FILTER
,
475 RT5640_CLK_SEL_ASRC
);
477 ret
= snd_soc_add_card_controls(card
, byt_rt5640_controls
,
478 ARRAY_SIZE(byt_rt5640_controls
));
480 dev_err(card
->dev
, "unable to add card controls\n");
484 switch (BYT_RT5640_MAP(byt_rt5640_quirk
)) {
485 case BYT_RT5640_IN1_MAP
:
486 custom_map
= byt_rt5640_intmic_in1_map
;
487 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in1_map
);
489 case BYT_RT5640_IN3_MAP
:
490 custom_map
= byt_rt5640_intmic_in3_map
;
491 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_in3_map
);
493 case BYT_RT5640_DMIC2_MAP
:
494 custom_map
= byt_rt5640_intmic_dmic2_map
;
495 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic2_map
);
498 custom_map
= byt_rt5640_intmic_dmic1_map
;
499 num_routes
= ARRAY_SIZE(byt_rt5640_intmic_dmic1_map
);
502 ret
= snd_soc_dapm_add_routes(&card
->dapm
, custom_map
, num_routes
);
506 if (byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) {
507 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
508 byt_rt5640_ssp2_aif2_map
,
509 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map
));
510 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) {
511 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
512 byt_rt5640_ssp0_aif1_map
,
513 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map
));
514 } else if (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
) {
515 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
516 byt_rt5640_ssp0_aif2_map
,
517 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map
));
519 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
520 byt_rt5640_ssp2_aif1_map
,
521 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map
));
526 if (byt_rt5640_quirk
& BYT_RT5640_MONO_SPEAKER
) {
527 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
528 byt_rt5640_mono_spk_map
,
529 ARRAY_SIZE(byt_rt5640_mono_spk_map
));
531 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
532 byt_rt5640_stereo_spk_map
,
533 ARRAY_SIZE(byt_rt5640_stereo_spk_map
));
538 if (byt_rt5640_quirk
& BYT_RT5640_DIFF_MIC
) {
539 snd_soc_update_bits(codec
, RT5640_IN1_IN2
, RT5640_IN_DF1
,
543 if (byt_rt5640_quirk
& BYT_RT5640_DMIC_EN
) {
544 ret
= rt5640_dmic_enable(codec
, 0, 0);
549 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Headphone");
550 snd_soc_dapm_ignore_suspend(&card
->dapm
, "Speaker");
552 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && priv
->mclk
) {
554 * The firmware might enable the clock at
555 * boot (this information may or may not
556 * be reflected in the enable clock register).
557 * To change the rate we must disable the clock
558 * first to cover these cases. Due to common
559 * clock framework restrictions that do not allow
560 * to disable a clock that has not been enabled,
561 * we need to enable the clock first.
563 ret
= clk_prepare_enable(priv
->mclk
);
565 clk_disable_unprepare(priv
->mclk
);
567 if (byt_rt5640_quirk
& BYT_RT5640_MCLK_25MHZ
)
568 ret
= clk_set_rate(priv
->mclk
, 25000000);
570 ret
= clk_set_rate(priv
->mclk
, 19200000);
573 dev_err(card
->dev
, "unable to set MCLK rate\n");
579 static const struct snd_soc_pcm_stream byt_rt5640_dai_params
= {
580 .formats
= SNDRV_PCM_FMTBIT_S24_LE
,
587 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
588 struct snd_pcm_hw_params
*params
)
590 struct snd_interval
*rate
= hw_param_interval(params
,
591 SNDRV_PCM_HW_PARAM_RATE
);
592 struct snd_interval
*channels
= hw_param_interval(params
,
593 SNDRV_PCM_HW_PARAM_CHANNELS
);
596 /* The DSP will covert the FE rate to 48k, stereo */
597 rate
->min
= rate
->max
= 48000;
598 channels
->min
= channels
->max
= 2;
600 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
601 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
603 /* set SSP0 to 16-bit */
604 params_set_format(params
, SNDRV_PCM_FORMAT_S16_LE
);
607 * Default mode for SSP configuration is TDM 4 slot, override config
608 * with explicit setting to I2S 2ch 16-bit. The word length is set with
609 * dai_set_tdm_slot() since there is no other API exposed
611 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
613 SND_SOC_DAIFMT_NB_NF
|
614 SND_SOC_DAIFMT_CBS_CFS
617 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
621 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
623 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
629 /* set SSP2 to 24-bit */
630 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
633 * Default mode for SSP configuration is TDM 4 slot, override config
634 * with explicit setting to I2S 2ch 24-bit. The word length is set with
635 * dai_set_tdm_slot() since there is no other API exposed
637 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
639 SND_SOC_DAIFMT_NB_NF
|
640 SND_SOC_DAIFMT_CBS_CFS
643 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
647 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 24);
649 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
656 static int byt_rt5640_aif1_startup(struct snd_pcm_substream
*substream
)
658 return snd_pcm_hw_constraint_single(substream
->runtime
,
659 SNDRV_PCM_HW_PARAM_RATE
, 48000);
662 static const struct snd_soc_ops byt_rt5640_aif1_ops
= {
663 .startup
= byt_rt5640_aif1_startup
,
666 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops
= {
667 .hw_params
= byt_rt5640_aif1_hw_params
,
670 static struct snd_soc_dai_link byt_rt5640_dais
[] = {
671 [MERR_DPCM_AUDIO
] = {
672 .name
= "Baytrail Audio Port",
673 .stream_name
= "Baytrail Audio",
674 .cpu_dai_name
= "media-cpu-dai",
675 .codec_dai_name
= "snd-soc-dummy-dai",
676 .codec_name
= "snd-soc-dummy",
677 .platform_name
= "sst-mfld-platform",
682 .ops
= &byt_rt5640_aif1_ops
,
684 [MERR_DPCM_DEEP_BUFFER
] = {
685 .name
= "Deep-Buffer Audio Port",
686 .stream_name
= "Deep-Buffer Audio",
687 .cpu_dai_name
= "deepbuffer-cpu-dai",
688 .codec_dai_name
= "snd-soc-dummy-dai",
689 .codec_name
= "snd-soc-dummy",
690 .platform_name
= "sst-mfld-platform",
694 .ops
= &byt_rt5640_aif1_ops
,
696 [MERR_DPCM_COMPR
] = {
697 .name
= "Baytrail Compressed Port",
698 .stream_name
= "Baytrail Compress",
699 .cpu_dai_name
= "compress-cpu-dai",
700 .codec_dai_name
= "snd-soc-dummy-dai",
701 .codec_name
= "snd-soc-dummy",
702 .platform_name
= "sst-mfld-platform",
706 .name
= "SSP2-Codec",
708 .cpu_dai_name
= "ssp2-port", /* overwritten for ssp0 routing */
709 .platform_name
= "sst-mfld-platform",
711 .codec_dai_name
= "rt5640-aif1", /* changed w/ quirk */
712 .codec_name
= "i2c-10EC5640:00", /* overwritten with HID */
713 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
714 | SND_SOC_DAIFMT_CBS_CFS
,
715 .be_hw_params_fixup
= byt_rt5640_codec_fixup
,
720 .init
= byt_rt5640_init
,
721 .ops
= &byt_rt5640_be_ssp2_ops
,
726 static struct snd_soc_card byt_rt5640_card
= {
727 .name
= "bytcr-rt5640",
728 .owner
= THIS_MODULE
,
729 .dai_link
= byt_rt5640_dais
,
730 .num_links
= ARRAY_SIZE(byt_rt5640_dais
),
731 .dapm_widgets
= byt_rt5640_widgets
,
732 .num_dapm_widgets
= ARRAY_SIZE(byt_rt5640_widgets
),
733 .dapm_routes
= byt_rt5640_audio_map
,
734 .num_dapm_routes
= ARRAY_SIZE(byt_rt5640_audio_map
),
735 .fully_routed
= true,
738 static char byt_rt5640_codec_name
[16]; /* i2c-<HID>:00 with HID being 8 chars */
739 static char byt_rt5640_codec_aif_name
[12]; /* = "rt5640-aif[1|2]" */
740 static char byt_rt5640_cpu_dai_name
[10]; /* = "ssp[0|2]-port" */
742 static bool is_valleyview(void)
744 static const struct x86_cpu_id cpu_ids
[] = {
745 { X86_VENDOR_INTEL
, 6, 55 }, /* Valleyview, Bay Trail */
749 if (!x86_match_cpu(cpu_ids
))
754 struct acpi_chan_package
{ /* ACPICA seems to require 64 bit integers */
755 u64 aif_value
; /* 1: AIF1, 2: AIF2 */
756 u64 mclock_value
; /* usually 25MHz (0x17d7940), ignored */
759 static int snd_byt_rt5640_mc_probe(struct platform_device
*pdev
)
762 struct sst_acpi_mach
*mach
;
763 const char *i2c_name
= NULL
;
766 struct byt_rt5640_private
*priv
;
769 priv
= devm_kzalloc(&pdev
->dev
, sizeof(*priv
), GFP_ATOMIC
);
773 /* register the soc card */
774 byt_rt5640_card
.dev
= &pdev
->dev
;
775 mach
= byt_rt5640_card
.dev
->platform_data
;
776 snd_soc_card_set_drvdata(&byt_rt5640_card
, priv
);
778 /* fix index of codec dai */
779 dai_index
= MERR_DPCM_COMPR
+ 1;
780 for (i
= 0; i
< ARRAY_SIZE(byt_rt5640_dais
); i
++) {
781 if (!strcmp(byt_rt5640_dais
[i
].codec_name
, "i2c-10EC5640:00")) {
787 /* fixup codec name based on HID */
788 i2c_name
= sst_acpi_find_name_from_hid(mach
->id
);
789 if (i2c_name
!= NULL
) {
790 snprintf(byt_rt5640_codec_name
, sizeof(byt_rt5640_codec_name
),
791 "%s%s", "i2c-", i2c_name
);
793 byt_rt5640_dais
[dai_index
].codec_name
= byt_rt5640_codec_name
;
797 * swap SSP0 if bytcr is detected
798 * (will be overridden if DMI quirk is detected)
800 if (is_valleyview()) {
801 struct sst_platform_info
*p_info
= mach
->pdata
;
802 const struct sst_res_info
*res_info
= p_info
->res_info
;
804 if (res_info
->acpi_ipc_irq_index
== 0)
810 * Baytrail CR platforms may have CHAN package in BIOS, try
811 * to find relevant routing quirk based as done on Windows
812 * platforms. We have to read the information directly from the
813 * BIOS, at this stage the card is not created and the links
814 * with the codec driver/pdata are non-existent
817 struct acpi_chan_package chan_package
;
819 /* format specified: 2 64-bit integers */
820 struct acpi_buffer format
= {sizeof("NN"), "NN"};
821 struct acpi_buffer state
= {0, NULL
};
822 struct sst_acpi_package_context pkg_ctx
;
823 bool pkg_found
= false;
825 state
.length
= sizeof(chan_package
);
826 state
.pointer
= &chan_package
;
828 pkg_ctx
.name
= "CHAN";
830 pkg_ctx
.format
= &format
;
831 pkg_ctx
.state
= &state
;
832 pkg_ctx
.data_valid
= false;
834 pkg_found
= sst_acpi_find_package_from_hid(mach
->id
, &pkg_ctx
);
836 if (chan_package
.aif_value
== 1) {
837 dev_info(&pdev
->dev
, "BIOS Routing: AIF1 connected\n");
838 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF1
;
839 } else if (chan_package
.aif_value
== 2) {
840 dev_info(&pdev
->dev
, "BIOS Routing: AIF2 connected\n");
841 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF2
;
843 dev_info(&pdev
->dev
, "BIOS Routing isn't valid, ignored\n");
849 /* no BIOS indications, assume SSP0-AIF2 connection */
850 byt_rt5640_quirk
|= BYT_RT5640_SSP0_AIF2
;
853 /* change defaults for Baytrail-CR capture */
854 byt_rt5640_quirk
|= BYT_RT5640_IN1_MAP
;
855 byt_rt5640_quirk
|= BYT_RT5640_DIFF_MIC
;
857 byt_rt5640_quirk
|= (BYT_RT5640_DMIC1_MAP
|
861 /* check quirks before creating card */
862 dmi_check_system(byt_rt5640_quirk_table
);
863 if (quirk_override
) {
864 dev_info(&pdev
->dev
, "Overriding quirk 0x%x => 0x%x\n",
865 (unsigned int)byt_rt5640_quirk
, quirk_override
);
866 byt_rt5640_quirk
= quirk_override
;
868 log_quirks(&pdev
->dev
);
870 if ((byt_rt5640_quirk
& BYT_RT5640_SSP2_AIF2
) ||
871 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
873 /* fixup codec aif name */
874 snprintf(byt_rt5640_codec_aif_name
,
875 sizeof(byt_rt5640_codec_aif_name
),
876 "%s", "rt5640-aif2");
878 byt_rt5640_dais
[dai_index
].codec_dai_name
=
879 byt_rt5640_codec_aif_name
;
882 if ((byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF1
) ||
883 (byt_rt5640_quirk
& BYT_RT5640_SSP0_AIF2
)) {
885 /* fixup cpu dai name name */
886 snprintf(byt_rt5640_cpu_dai_name
,
887 sizeof(byt_rt5640_cpu_dai_name
),
890 byt_rt5640_dais
[dai_index
].cpu_dai_name
=
891 byt_rt5640_cpu_dai_name
;
894 if ((byt_rt5640_quirk
& BYT_RT5640_MCLK_EN
) && (is_valleyview())) {
895 priv
->mclk
= devm_clk_get(&pdev
->dev
, "pmc_plt_clk_3");
896 if (IS_ERR(priv
->mclk
)) {
897 ret_val
= PTR_ERR(priv
->mclk
);
900 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
904 * Fall back to bit clock usage for -ENOENT (clock not
905 * available likely due to missing dependencies), bail
906 * for all other errors, including -EPROBE_DEFER
908 if (ret_val
!= -ENOENT
)
910 byt_rt5640_quirk
&= ~BYT_RT5640_MCLK_EN
;
914 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, &byt_rt5640_card
);
917 dev_err(&pdev
->dev
, "devm_snd_soc_register_card failed %d\n",
921 platform_set_drvdata(pdev
, &byt_rt5640_card
);
925 static struct platform_driver snd_byt_rt5640_mc_driver
= {
927 .name
= "bytcr_rt5640",
929 .probe
= snd_byt_rt5640_mc_probe
,
932 module_platform_driver(snd_byt_rt5640_mc_driver
);
934 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
935 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
936 MODULE_LICENSE("GPL v2");
937 MODULE_ALIAS("platform:bytcr_rt5640");