2 * cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
3 * Cherrytrail and Braswell, with RT5645 codec.
5 * Copyright (C) 2015 Intel Corp
6 * Author: Fang, Yang A <yang.a.fang@intel.com>
7 * N,Harshapriya <harshapriya.n@intel.com>
8 * This file is modified from cht_bsw_rt5672.c
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
23 #include <linux/module.h>
24 #include <linux/acpi.h>
25 #include <linux/platform_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/rt5645.h"
36 #include "../atom/sst-atom-controls.h"
37 #include "../common/sst-acpi.h"
39 #define CHT_PLAT_CLK_3_HZ 19200000
40 #define CHT_CODEC_DAI1 "rt5645-aif1"
41 #define CHT_CODEC_DAI2 "rt5645-aif2"
43 struct cht_acpi_card
{
46 struct snd_soc_card
*soc_card
;
49 struct cht_mc_private
{
50 struct snd_soc_jack jack
;
51 struct cht_acpi_card
*acpi_card
;
56 #define CHT_RT5645_MAP(quirk) ((quirk) & 0xff)
57 #define CHT_RT5645_SSP2_AIF2 BIT(16) /* default is using AIF1 */
58 #define CHT_RT5645_SSP0_AIF1 BIT(17)
59 #define CHT_RT5645_SSP0_AIF2 BIT(18)
61 static unsigned long cht_rt5645_quirk
= 0;
63 static void log_quirks(struct device
*dev
)
65 if (cht_rt5645_quirk
& CHT_RT5645_SSP2_AIF2
)
66 dev_info(dev
, "quirk SSP2_AIF2 enabled");
67 if (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF1
)
68 dev_info(dev
, "quirk SSP0_AIF1 enabled");
69 if (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
)
70 dev_info(dev
, "quirk SSP0_AIF2 enabled");
73 static inline struct snd_soc_dai
*cht_get_codec_dai(struct snd_soc_card
*card
)
75 struct snd_soc_pcm_runtime
*rtd
;
77 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
78 if (!strncmp(rtd
->codec_dai
->name
, CHT_CODEC_DAI1
,
79 strlen(CHT_CODEC_DAI1
)))
80 return rtd
->codec_dai
;
81 if (!strncmp(rtd
->codec_dai
->name
, CHT_CODEC_DAI2
,
82 strlen(CHT_CODEC_DAI2
)))
83 return rtd
->codec_dai
;
88 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
89 struct snd_kcontrol
*k
, int event
)
91 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
92 struct snd_soc_card
*card
= dapm
->card
;
93 struct snd_soc_dai
*codec_dai
;
94 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(card
);
97 codec_dai
= cht_get_codec_dai(card
);
99 dev_err(card
->dev
, "Codec dai not found; Unable to set platform clock\n");
103 if (SND_SOC_DAPM_EVENT_ON(event
)) {
105 ret
= clk_prepare_enable(ctx
->mclk
);
108 "could not configure MCLK state");
113 /* Set codec sysclk source to its internal clock because codec PLL will
114 * be off when idle and MCLK will also be off when codec is
115 * runtime suspended. Codec needs clock for jack detection and button
116 * press. MCLK is turned off with clock framework or ACPI.
118 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5645_SCLK_S_RCCLK
,
119 48000 * 512, SND_SOC_CLOCK_IN
);
121 dev_err(card
->dev
, "can't set codec sysclk: %d\n", ret
);
126 clk_disable_unprepare(ctx
->mclk
);
132 static const struct snd_soc_dapm_widget cht_dapm_widgets
[] = {
133 SND_SOC_DAPM_HP("Headphone", NULL
),
134 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
135 SND_SOC_DAPM_MIC("Int Mic", NULL
),
136 SND_SOC_DAPM_SPK("Ext Spk", NULL
),
137 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
138 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
| SND_SOC_DAPM_POST_PMD
),
141 static const struct snd_soc_dapm_route cht_rt5645_audio_map
[] = {
142 {"IN1P", NULL
, "Headset Mic"},
143 {"IN1N", NULL
, "Headset Mic"},
144 {"DMIC L1", NULL
, "Int Mic"},
145 {"DMIC R1", NULL
, "Int Mic"},
146 {"Headphone", NULL
, "HPOL"},
147 {"Headphone", NULL
, "HPOR"},
148 {"Ext Spk", NULL
, "SPOL"},
149 {"Ext Spk", NULL
, "SPOR"},
150 {"Headphone", NULL
, "Platform Clock"},
151 {"Headset Mic", NULL
, "Platform Clock"},
152 {"Int Mic", NULL
, "Platform Clock"},
153 {"Ext Spk", NULL
, "Platform Clock"},
156 static const struct snd_soc_dapm_route cht_rt5650_audio_map
[] = {
157 {"IN1P", NULL
, "Headset Mic"},
158 {"IN1N", NULL
, "Headset Mic"},
159 {"DMIC L2", NULL
, "Int Mic"},
160 {"DMIC R2", NULL
, "Int Mic"},
161 {"Headphone", NULL
, "HPOL"},
162 {"Headphone", NULL
, "HPOR"},
163 {"Ext Spk", NULL
, "SPOL"},
164 {"Ext Spk", NULL
, "SPOR"},
165 {"Headphone", NULL
, "Platform Clock"},
166 {"Headset Mic", NULL
, "Platform Clock"},
167 {"Int Mic", NULL
, "Platform Clock"},
168 {"Ext Spk", NULL
, "Platform Clock"},
171 static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map
[] = {
172 {"AIF1 Playback", NULL
, "ssp2 Tx"},
173 {"ssp2 Tx", NULL
, "codec_out0"},
174 {"ssp2 Tx", NULL
, "codec_out1"},
175 {"codec_in0", NULL
, "ssp2 Rx" },
176 {"codec_in1", NULL
, "ssp2 Rx" },
177 {"ssp2 Rx", NULL
, "AIF1 Capture"},
180 static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map
[] = {
181 {"AIF2 Playback", NULL
, "ssp2 Tx"},
182 {"ssp2 Tx", NULL
, "codec_out0"},
183 {"ssp2 Tx", NULL
, "codec_out1"},
184 {"codec_in0", NULL
, "ssp2 Rx" },
185 {"codec_in1", NULL
, "ssp2 Rx" },
186 {"ssp2 Rx", NULL
, "AIF2 Capture"},
189 static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map
[] = {
190 {"AIF1 Playback", NULL
, "ssp0 Tx"},
191 {"ssp0 Tx", NULL
, "modem_out"},
192 {"modem_in", NULL
, "ssp0 Rx" },
193 {"ssp0 Rx", NULL
, "AIF1 Capture"},
196 static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map
[] = {
197 {"AIF2 Playback", NULL
, "ssp0 Tx"},
198 {"ssp0 Tx", NULL
, "modem_out"},
199 {"modem_in", NULL
, "ssp0 Rx" },
200 {"ssp0 Rx", NULL
, "AIF2 Capture"},
203 static const struct snd_kcontrol_new cht_mc_controls
[] = {
204 SOC_DAPM_PIN_SWITCH("Headphone"),
205 SOC_DAPM_PIN_SWITCH("Headset Mic"),
206 SOC_DAPM_PIN_SWITCH("Int Mic"),
207 SOC_DAPM_PIN_SWITCH("Ext Spk"),
210 static struct snd_soc_jack_pin cht_bsw_jack_pins
[] = {
213 .mask
= SND_JACK_HEADPHONE
,
216 .pin
= "Headset Mic",
217 .mask
= SND_JACK_MICROPHONE
,
221 static int cht_aif1_hw_params(struct snd_pcm_substream
*substream
,
222 struct snd_pcm_hw_params
*params
)
224 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
225 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
228 /* set codec PLL source to the 19.2MHz platform clock (MCLK) */
229 ret
= snd_soc_dai_set_pll(codec_dai
, 0, RT5645_PLL1_S_MCLK
,
230 CHT_PLAT_CLK_3_HZ
, params_rate(params
) * 512);
232 dev_err(rtd
->dev
, "can't set codec pll: %d\n", ret
);
236 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5645_SCLK_S_PLL1
,
237 params_rate(params
) * 512, SND_SOC_CLOCK_IN
);
239 dev_err(rtd
->dev
, "can't set codec sysclk: %d\n", ret
);
246 /* uncomment when we have a real quirk
247 static int cht_rt5645_quirk_cb(const struct dmi_system_id *id)
249 cht_rt5645_quirk = (unsigned long)id->driver_data;
254 static const struct dmi_system_id cht_rt5645_quirk_table
[] = {
259 static int cht_codec_init(struct snd_soc_pcm_runtime
*runtime
)
263 struct snd_soc_codec
*codec
= runtime
->codec
;
264 struct snd_soc_card
*card
= runtime
->card
;
265 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(runtime
->card
);
267 if ((cht_rt5645_quirk
& CHT_RT5645_SSP2_AIF2
) ||
268 (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
)) {
269 /* Select clk_i2s2_asrc as ASRC clock source */
270 rt5645_sel_asrc_clk_src(codec
,
271 RT5645_DA_STEREO_FILTER
|
272 RT5645_DA_MONO_L_FILTER
|
273 RT5645_DA_MONO_R_FILTER
|
274 RT5645_AD_STEREO_FILTER
,
275 RT5645_CLK_SEL_I2S2_ASRC
);
277 /* Select clk_i2s1_asrc as ASRC clock source */
278 rt5645_sel_asrc_clk_src(codec
,
279 RT5645_DA_STEREO_FILTER
|
280 RT5645_DA_MONO_L_FILTER
|
281 RT5645_DA_MONO_R_FILTER
|
282 RT5645_AD_STEREO_FILTER
,
283 RT5645_CLK_SEL_I2S1_ASRC
);
286 if (cht_rt5645_quirk
& CHT_RT5645_SSP2_AIF2
) {
287 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
288 cht_rt5645_ssp2_aif2_map
,
289 ARRAY_SIZE(cht_rt5645_ssp2_aif2_map
));
290 } else if (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF1
) {
291 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
292 cht_rt5645_ssp0_aif1_map
,
293 ARRAY_SIZE(cht_rt5645_ssp0_aif1_map
));
294 } else if (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
) {
295 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
296 cht_rt5645_ssp0_aif2_map
,
297 ARRAY_SIZE(cht_rt5645_ssp0_aif2_map
));
299 ret
= snd_soc_dapm_add_routes(&card
->dapm
,
300 cht_rt5645_ssp2_aif1_map
,
301 ARRAY_SIZE(cht_rt5645_ssp2_aif1_map
));
306 if (ctx
->acpi_card
->codec_type
== CODEC_TYPE_RT5650
)
307 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
|
308 SND_JACK_BTN_0
| SND_JACK_BTN_1
|
309 SND_JACK_BTN_2
| SND_JACK_BTN_3
;
311 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
;
313 ret
= snd_soc_card_jack_new(runtime
->card
, "Headset",
314 jack_type
, &ctx
->jack
,
315 cht_bsw_jack_pins
, ARRAY_SIZE(cht_bsw_jack_pins
));
317 dev_err(runtime
->dev
, "Headset jack creation failed %d\n", ret
);
321 rt5645_set_jack_detect(codec
, &ctx
->jack
, &ctx
->jack
, &ctx
->jack
);
325 * The firmware might enable the clock at
326 * boot (this information may or may not
327 * be reflected in the enable clock register).
328 * To change the rate we must disable the clock
329 * first to cover these cases. Due to common
330 * clock framework restrictions that do not allow
331 * to disable a clock that has not been enabled,
332 * we need to enable the clock first.
334 ret
= clk_prepare_enable(ctx
->mclk
);
336 clk_disable_unprepare(ctx
->mclk
);
338 ret
= clk_set_rate(ctx
->mclk
, CHT_PLAT_CLK_3_HZ
);
341 dev_err(runtime
->dev
, "unable to set MCLK rate\n");
346 static int cht_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
347 struct snd_pcm_hw_params
*params
)
350 struct snd_interval
*rate
= hw_param_interval(params
,
351 SNDRV_PCM_HW_PARAM_RATE
);
352 struct snd_interval
*channels
= hw_param_interval(params
,
353 SNDRV_PCM_HW_PARAM_CHANNELS
);
355 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
356 rate
->min
= rate
->max
= 48000;
357 channels
->min
= channels
->max
= 2;
359 if ((cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF1
) ||
360 (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
)) {
362 /* set SSP0 to 16-bit */
363 params_set_format(params
, SNDRV_PCM_FORMAT_S16_LE
);
366 * Default mode for SSP configuration is TDM 4 slot, override config
367 * with explicit setting to I2S 2ch 16-bit. The word length is set with
368 * dai_set_tdm_slot() since there is no other API exposed
370 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
,
372 SND_SOC_DAIFMT_NB_NF
|
373 SND_SOC_DAIFMT_CBS_CFS
376 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
380 ret
= snd_soc_dai_set_fmt(rtd
->codec_dai
,
382 SND_SOC_DAIFMT_NB_NF
|
383 SND_SOC_DAIFMT_CBS_CFS
386 dev_err(rtd
->dev
, "can't set format to I2S, err %d\n", ret
);
390 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
392 dev_err(rtd
->dev
, "can't set I2S config, err %d\n", ret
);
398 /* set SSP2 to 24-bit */
399 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
402 * Default mode for SSP configuration is TDM 4 slot
404 ret
= snd_soc_dai_set_fmt(rtd
->codec_dai
,
405 SND_SOC_DAIFMT_DSP_B
|
406 SND_SOC_DAIFMT_IB_NF
|
407 SND_SOC_DAIFMT_CBS_CFS
);
409 dev_err(rtd
->dev
, "can't set format to TDM %d\n", ret
);
413 /* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
414 ret
= snd_soc_dai_set_tdm_slot(rtd
->codec_dai
, 0xF, 0xF, 4, 24);
416 dev_err(rtd
->dev
, "can't set codec TDM slot %d\n", ret
);
423 static int cht_aif1_startup(struct snd_pcm_substream
*substream
)
425 return snd_pcm_hw_constraint_single(substream
->runtime
,
426 SNDRV_PCM_HW_PARAM_RATE
, 48000);
429 static const struct snd_soc_ops cht_aif1_ops
= {
430 .startup
= cht_aif1_startup
,
433 static const struct snd_soc_ops cht_be_ssp2_ops
= {
434 .hw_params
= cht_aif1_hw_params
,
437 static struct snd_soc_dai_link cht_dailink
[] = {
438 [MERR_DPCM_AUDIO
] = {
439 .name
= "Audio Port",
440 .stream_name
= "Audio",
441 .cpu_dai_name
= "media-cpu-dai",
442 .codec_dai_name
= "snd-soc-dummy-dai",
443 .codec_name
= "snd-soc-dummy",
444 .platform_name
= "sst-mfld-platform",
449 .ops
= &cht_aif1_ops
,
451 [MERR_DPCM_DEEP_BUFFER
] = {
452 .name
= "Deep-Buffer Audio Port",
453 .stream_name
= "Deep-Buffer Audio",
454 .cpu_dai_name
= "deepbuffer-cpu-dai",
455 .codec_dai_name
= "snd-soc-dummy-dai",
456 .codec_name
= "snd-soc-dummy",
457 .platform_name
= "sst-mfld-platform",
461 .ops
= &cht_aif1_ops
,
463 [MERR_DPCM_COMPR
] = {
464 .name
= "Compressed Port",
465 .stream_name
= "Compress",
466 .cpu_dai_name
= "compress-cpu-dai",
467 .codec_dai_name
= "snd-soc-dummy-dai",
468 .codec_name
= "snd-soc-dummy",
469 .platform_name
= "sst-mfld-platform",
471 /* CODEC<->CODEC link */
474 .name
= "SSP2-Codec",
476 .cpu_dai_name
= "ssp2-port",
477 .platform_name
= "sst-mfld-platform",
479 .codec_dai_name
= "rt5645-aif1",
480 .codec_name
= "i2c-10EC5645:00",
481 .init
= cht_codec_init
,
482 .be_hw_params_fixup
= cht_codec_fixup
,
486 .ops
= &cht_be_ssp2_ops
,
491 static struct snd_soc_card snd_soc_card_chtrt5645
= {
493 .owner
= THIS_MODULE
,
494 .dai_link
= cht_dailink
,
495 .num_links
= ARRAY_SIZE(cht_dailink
),
496 .dapm_widgets
= cht_dapm_widgets
,
497 .num_dapm_widgets
= ARRAY_SIZE(cht_dapm_widgets
),
498 .dapm_routes
= cht_rt5645_audio_map
,
499 .num_dapm_routes
= ARRAY_SIZE(cht_rt5645_audio_map
),
500 .controls
= cht_mc_controls
,
501 .num_controls
= ARRAY_SIZE(cht_mc_controls
),
504 static struct snd_soc_card snd_soc_card_chtrt5650
= {
506 .owner
= THIS_MODULE
,
507 .dai_link
= cht_dailink
,
508 .num_links
= ARRAY_SIZE(cht_dailink
),
509 .dapm_widgets
= cht_dapm_widgets
,
510 .num_dapm_widgets
= ARRAY_SIZE(cht_dapm_widgets
),
511 .dapm_routes
= cht_rt5650_audio_map
,
512 .num_dapm_routes
= ARRAY_SIZE(cht_rt5650_audio_map
),
513 .controls
= cht_mc_controls
,
514 .num_controls
= ARRAY_SIZE(cht_mc_controls
),
517 static struct cht_acpi_card snd_soc_cards
[] = {
518 {"10EC5640", CODEC_TYPE_RT5645
, &snd_soc_card_chtrt5645
},
519 {"10EC5645", CODEC_TYPE_RT5645
, &snd_soc_card_chtrt5645
},
520 {"10EC5648", CODEC_TYPE_RT5645
, &snd_soc_card_chtrt5645
},
521 {"10EC3270", CODEC_TYPE_RT5645
, &snd_soc_card_chtrt5645
},
522 {"10EC5650", CODEC_TYPE_RT5650
, &snd_soc_card_chtrt5650
},
525 static char cht_rt5645_codec_name
[16]; /* i2c-<HID>:00 with HID being 8 chars */
526 static char cht_rt5645_codec_aif_name
[12]; /* = "rt5645-aif[1|2]" */
527 static char cht_rt5645_cpu_dai_name
[10]; /* = "ssp[0|2]-port" */
529 static bool is_valleyview(void)
531 static const struct x86_cpu_id cpu_ids
[] = {
532 { X86_VENDOR_INTEL
, 6, 55 }, /* Valleyview, Bay Trail */
536 if (!x86_match_cpu(cpu_ids
))
541 struct acpi_chan_package
{ /* ACPICA seems to require 64 bit integers */
542 u64 aif_value
; /* 1: AIF1, 2: AIF2 */
543 u64 mclock_value
; /* usually 25MHz (0x17d7940), ignored */
546 static int snd_cht_mc_probe(struct platform_device
*pdev
)
550 struct cht_mc_private
*drv
;
551 struct snd_soc_card
*card
= snd_soc_cards
[0].soc_card
;
552 struct sst_acpi_mach
*mach
;
553 const char *i2c_name
= NULL
;
556 bool is_bytcr
= false;
558 drv
= devm_kzalloc(&pdev
->dev
, sizeof(*drv
), GFP_ATOMIC
);
562 mach
= (&pdev
->dev
)->platform_data
;
564 for (i
= 0; i
< ARRAY_SIZE(snd_soc_cards
); i
++) {
565 if (acpi_dev_found(snd_soc_cards
[i
].codec_id
) &&
566 (!strncmp(snd_soc_cards
[i
].codec_id
, mach
->id
, 8))) {
568 "found codec %s\n", snd_soc_cards
[i
].codec_id
);
569 card
= snd_soc_cards
[i
].soc_card
;
570 drv
->acpi_card
= &snd_soc_cards
[i
];
577 dev_err(&pdev
->dev
, "No matching HID found in supported list\n");
581 card
->dev
= &pdev
->dev
;
582 sprintf(drv
->codec_name
, "i2c-%s:00", drv
->acpi_card
->codec_id
);
584 /* set correct codec name */
585 for (i
= 0; i
< ARRAY_SIZE(cht_dailink
); i
++)
586 if (!strcmp(card
->dai_link
[i
].codec_name
, "i2c-10EC5645:00")) {
587 card
->dai_link
[i
].codec_name
= drv
->codec_name
;
591 /* fixup codec name based on HID */
592 i2c_name
= sst_acpi_find_name_from_hid(mach
->id
);
593 if (i2c_name
!= NULL
) {
594 snprintf(cht_rt5645_codec_name
, sizeof(cht_rt5645_codec_name
),
595 "%s%s", "i2c-", i2c_name
);
596 cht_dailink
[dai_index
].codec_name
= cht_rt5645_codec_name
;
600 * swap SSP0 if bytcr is detected
601 * (will be overridden if DMI quirk is detected)
603 if (is_valleyview()) {
604 struct sst_platform_info
*p_info
= mach
->pdata
;
605 const struct sst_res_info
*res_info
= p_info
->res_info
;
607 if (res_info
->acpi_ipc_irq_index
== 0)
613 * Baytrail CR platforms may have CHAN package in BIOS, try
614 * to find relevant routing quirk based as done on Windows
615 * platforms. We have to read the information directly from the
616 * BIOS, at this stage the card is not created and the links
617 * with the codec driver/pdata are non-existent
620 struct acpi_chan_package chan_package
;
622 /* format specified: 2 64-bit integers */
623 struct acpi_buffer format
= {sizeof("NN"), "NN"};
624 struct acpi_buffer state
= {0, NULL
};
625 struct sst_acpi_package_context pkg_ctx
;
626 bool pkg_found
= false;
628 state
.length
= sizeof(chan_package
);
629 state
.pointer
= &chan_package
;
631 pkg_ctx
.name
= "CHAN";
633 pkg_ctx
.format
= &format
;
634 pkg_ctx
.state
= &state
;
635 pkg_ctx
.data_valid
= false;
637 pkg_found
= sst_acpi_find_package_from_hid(mach
->id
, &pkg_ctx
);
639 if (chan_package
.aif_value
== 1) {
640 dev_info(&pdev
->dev
, "BIOS Routing: AIF1 connected\n");
641 cht_rt5645_quirk
|= CHT_RT5645_SSP0_AIF1
;
642 } else if (chan_package
.aif_value
== 2) {
643 dev_info(&pdev
->dev
, "BIOS Routing: AIF2 connected\n");
644 cht_rt5645_quirk
|= CHT_RT5645_SSP0_AIF2
;
646 dev_info(&pdev
->dev
, "BIOS Routing isn't valid, ignored\n");
652 /* no BIOS indications, assume SSP0-AIF2 connection */
653 cht_rt5645_quirk
|= CHT_RT5645_SSP0_AIF2
;
657 /* check quirks before creating card */
658 dmi_check_system(cht_rt5645_quirk_table
);
659 log_quirks(&pdev
->dev
);
661 if ((cht_rt5645_quirk
& CHT_RT5645_SSP2_AIF2
) ||
662 (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
)) {
664 /* fixup codec aif name */
665 snprintf(cht_rt5645_codec_aif_name
,
666 sizeof(cht_rt5645_codec_aif_name
),
667 "%s", "rt5645-aif2");
669 cht_dailink
[dai_index
].codec_dai_name
=
670 cht_rt5645_codec_aif_name
;
673 if ((cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF1
) ||
674 (cht_rt5645_quirk
& CHT_RT5645_SSP0_AIF2
)) {
676 /* fixup cpu dai name name */
677 snprintf(cht_rt5645_cpu_dai_name
,
678 sizeof(cht_rt5645_cpu_dai_name
),
681 cht_dailink
[dai_index
].cpu_dai_name
=
682 cht_rt5645_cpu_dai_name
;
685 if (is_valleyview()) {
686 drv
->mclk
= devm_clk_get(&pdev
->dev
, "pmc_plt_clk_3");
687 if (IS_ERR(drv
->mclk
)) {
689 "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
691 return PTR_ERR(drv
->mclk
);
695 snd_soc_card_set_drvdata(card
, drv
);
696 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, card
);
699 "snd_soc_register_card failed %d\n", ret_val
);
702 platform_set_drvdata(pdev
, card
);
706 static struct platform_driver snd_cht_mc_driver
= {
708 .name
= "cht-bsw-rt5645",
710 .probe
= snd_cht_mc_probe
,
713 module_platform_driver(snd_cht_mc_driver
)
715 MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
716 MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
717 MODULE_LICENSE("GPL v2");
718 MODULE_ALIAS("platform:cht-bsw-rt5645");