Release 4.11 sound/soc/intel/boards/cht_bsw_rt5645.c
/*
* cht-bsw-rt5645.c - ASoc Machine driver for Intel Cherryview-based platforms
* Cherrytrail and Braswell, with RT5645 codec.
*
* Copyright (C) 2015 Intel Corp
* Author: Fang, Yang A <yang.a.fang@intel.com>
* N,Harshapriya <harshapriya.n@intel.com>
* This file is modified from cht_bsw_rt5672.c
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/dmi.h>
#include <linux/slab.h>
#include <asm/cpu_device_id.h>
#include <asm/platform_sst_audio.h>
#include <linux/clk.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../../codecs/rt5645.h"
#include "../atom/sst-atom-controls.h"
#include "../common/sst-acpi.h"
#define CHT_PLAT_CLK_3_HZ 19200000
#define CHT_CODEC_DAI1 "rt5645-aif1"
#define CHT_CODEC_DAI2 "rt5645-aif2"
struct cht_acpi_card {
char *codec_id;
int codec_type;
struct snd_soc_card *soc_card;
};
struct cht_mc_private {
struct snd_soc_jack jack;
struct cht_acpi_card *acpi_card;
char codec_name[16];
struct clk *mclk;
};
#define CHT_RT5645_MAP(quirk) ((quirk) & 0xff)
#define CHT_RT5645_SSP2_AIF2 BIT(16)
/* default is using AIF1 */
#define CHT_RT5645_SSP0_AIF1 BIT(17)
#define CHT_RT5645_SSP0_AIF2 BIT(18)
static unsigned long cht_rt5645_quirk = 0;
static void log_quirks(struct device *dev)
{
if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2)
dev_info(dev, "quirk SSP2_AIF2 enabled");
if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1)
dev_info(dev, "quirk SSP0_AIF1 enabled");
if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)
dev_info(dev, "quirk SSP0_AIF2 enabled");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pierre-Louis Bossart | 50 | 100.00% | 1 | 100.00% |
| Total | 50 | 100.00% | 1 | 100.00% |
static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
list_for_each_entry(rtd, &card->rtd_list, list) {
if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI1,
strlen(CHT_CODEC_DAI1)))
return rtd->codec_dai;
if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI2,
strlen(CHT_CODEC_DAI2)))
return rtd->codec_dai;
}
return NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Fang, Yang A | 45 | 56.25% | 1 | 33.33% |
| Pierre-Louis Bossart | 26 | 32.50% | 1 | 33.33% |
| Mengdong Lin | 9 | 11.25% | 1 | 33.33% |
| Total | 80 | 100.00% | 3 | 100.00% |
static int platform_clock_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct snd_soc_dai *codec_dai;
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
int ret;
codec_dai = cht_get_codec_dai(card);
if (!codec_dai) {
dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
return -EIO;
}
if (SND_SOC_DAPM_EVENT_ON(event)) {
if (ctx->mclk) {
ret = clk_prepare_enable(ctx->mclk);
if (ret < 0) {
dev_err(card->dev,
"could not configure MCLK state");
return ret;
}
}
} else {
/* Set codec sysclk source to its internal clock because codec PLL will
* be off when idle and MCLK will also be off when codec is
* runtime suspended. Codec needs clock for jack detection and button
* press. MCLK is turned off with clock framework or ACPI.
*/
ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_RCCLK,
48000 * 512, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
return ret;
}
if (ctx->mclk)
clk_disable_unprepare(ctx->mclk);
}
return 0;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Fang, Yang A | 117 | 63.24% | 1 | 50.00% |
| Pierre-Louis Bossart | 68 | 36.76% | 1 | 50.00% |
| Total | 185 | 100.00% | 2 | 100.00% |
static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SPK("Ext Spk", NULL),
SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route cht_rt5645_audio_map[] = {
{"IN1P", NULL, "Headset Mic"},
{"IN1N", NULL, "Headset Mic"},
{"DMIC L1", NULL, "Int Mic"},
{"DMIC R1", NULL, "Int Mic"},
{"Headphone", NULL, "HPOL"},
{"Headphone", NULL, "HPOR"},
{"Ext Spk", NULL, "SPOL"},
{"Ext Spk", NULL, "SPOR"},
{"Headphone", NULL, "Platform Clock"},
{"Headset Mic", NULL, "Platform Clock"},
{"Int Mic", NULL, "Platform Clock"},
{"Ext Spk", NULL, "Platform Clock"},
};
static const struct snd_soc_dapm_route cht_rt5650_audio_map[] = {
{"IN1P", NULL, "Headset Mic"},
{"IN1N", NULL, "Headset Mic"},
{"DMIC L2", NULL, "Int Mic"},
{"DMIC R2", NULL, "Int Mic"},
{"Headphone", NULL, "HPOL"},
{"Headphone", NULL, "HPOR"},
{"Ext Spk", NULL, "SPOL"},
{"Ext Spk", NULL, "SPOR"},
{"Headphone", NULL, "Platform Clock"},
{"Headset Mic", NULL, "Platform Clock"},
{"Int Mic", NULL, "Platform Clock"},
{"Ext Spk", NULL, "Platform Clock"},
};
static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif1_map[] = {
{"AIF1 Playback", NULL, "ssp2 Tx"},
{"ssp2 Tx", NULL, "codec_out0"},
{"ssp2 Tx", NULL, "codec_out1"},
{"codec_in0", NULL, "ssp2 Rx" },
{"codec_in1", NULL, "ssp2 Rx" },
{"ssp2 Rx", NULL, "AIF1 Capture"},
};
static const struct snd_soc_dapm_route cht_rt5645_ssp2_aif2_map[] = {
{"AIF2 Playback", NULL, "ssp2 Tx"},
{"ssp2 Tx", NULL, "codec_out0"},
{"ssp2 Tx", NULL, "codec_out1"},
{"codec_in0", NULL, "ssp2 Rx" },
{"codec_in1", NULL, "ssp2 Rx" },
{"ssp2 Rx", NULL, "AIF2 Capture"},
};
static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif1_map[] = {
{"AIF1 Playback", NULL, "ssp0 Tx"},
{"ssp0 Tx", NULL, "modem_out"},
{"modem_in", NULL, "ssp0 Rx" },
{"ssp0 Rx", NULL, "AIF1 Capture"},
};
static const struct snd_soc_dapm_route cht_rt5645_ssp0_aif2_map[] = {
{"AIF2 Playback", NULL, "ssp0 Tx"},
{"ssp0 Tx", NULL, "modem_out"},
{"modem_in", NULL, "ssp0 Rx" },
{"ssp0 Rx", NULL, "AIF2 Capture"},
};
static const struct snd_kcontrol_new cht_mc_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
SOC_DAPM_PIN_SWITCH("Ext Spk"),
};
static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret;
/* set codec PLL source to the 19.2MHz platform clock (MCLK) */
ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,
CHT_PLAT_CLK_3_HZ, params_rate(params) * 512);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
params_rate(params) * 512, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Fang, Yang A | 123 | 100.00% | 1 | 100.00% |
| Total | 123 | 100.00% | 1 | 100.00% |
/* uncomment when we have a real quirk
static int cht_rt5645_quirk_cb(const struct dmi_system_id *id)
{
cht_rt5645_quirk = (unsigned long)id->driver_data;
return 1;
}
*/
static const struct dmi_system_id cht_rt5645_quirk_table[] = {
{
},
};
static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
{
int ret;
int jack_type;
struct snd_soc_codec *codec = runtime->codec;
struct snd_soc_card *card = runtime->card;
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
(cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
/* Select clk_i2s2_asrc as ASRC clock source */
rt5645_sel_asrc_clk_src(codec,
RT5645_DA_STEREO_FILTER |
RT5645_DA_MONO_L_FILTER |
RT5645_DA_MONO_R_FILTER |
RT5645_AD_STEREO_FILTER,
RT5645_CLK_SEL_I2S2_ASRC);
} else {
/* Select clk_i2s1_asrc as ASRC clock source */
rt5645_sel_asrc_clk_src(codec,
RT5645_DA_STEREO_FILTER |
RT5645_DA_MONO_L_FILTER |
RT5645_DA_MONO_R_FILTER |
RT5645_AD_STEREO_FILTER,
RT5645_CLK_SEL_I2S1_ASRC);
}
if (cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) {
ret = snd_soc_dapm_add_routes(&card->dapm,
cht_rt5645_ssp2_aif2_map,
ARRAY_SIZE(cht_rt5645_ssp2_aif2_map));
} else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) {
ret = snd_soc_dapm_add_routes(&card->dapm,
cht_rt5645_ssp0_aif1_map,
ARRAY_SIZE(cht_rt5645_ssp0_aif1_map));
} else if (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2) {
ret = snd_soc_dapm_add_routes(&card->dapm,
cht_rt5645_ssp0_aif2_map,
ARRAY_SIZE(cht_rt5645_ssp0_aif2_map));
} else {
ret = snd_soc_dapm_add_routes(&card->dapm,
cht_rt5645_ssp2_aif1_map,
ARRAY_SIZE(cht_rt5645_ssp2_aif1_map));
}
if (ret)
return ret;
if (ctx->acpi_card->codec_type == CODEC_TYPE_RT5650)
jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3;
else
jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
ret = snd_soc_card_jack_new(runtime->card, "Headset",
jack_type, &ctx->jack,
cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
if (ret) {
dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
return ret;
}
rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);
if (ctx->mclk) {
/*
* The firmware might enable the clock at
* boot (this information may or may not
* be reflected in the enable clock register).
* To change the rate we must disable the clock
* first to cover these cases. Due to common
* clock framework restrictions that do not allow
* to disable a clock that has not been enabled,
* we need to enable the clock first.
*/
ret = clk_prepare_enable(ctx->mclk);
if (!ret)
clk_disable_unprepare(ctx->mclk);
ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
if (ret)
dev_err(runtime->dev, "unable to set MCLK rate\n");
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pierre-Louis Bossart | 202 | 56.90% | 3 | 37.50% |
| Fang, Yang A | 140 | 39.44% | 2 | 25.00% |
| Carlo Caione | 6 | 1.69% | 1 | 12.50% |
| Lars-Peter Clausen | 6 | 1.69% | 1 | 12.50% |
| Bard Liao | 1 | 0.28% | 1 | 12.50% |
| Total | 355 | 100.00% | 8 | 100.00% |
static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
int ret;
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
/* The DSP will covert the FE rate to 48k, stereo, 24bits */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
(cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
/* set SSP0 to 16-bit */
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
/*
* Default mode for SSP configuration is TDM 4 slot, override config
* with explicit setting to I2S 2ch 16-bit. The word length is set with
* dai_set_tdm_slot() since there is no other API exposed
*/
ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS
);
if (ret < 0) {
dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_fmt(rtd->codec_dai,
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS
);
if (ret < 0) {
dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
if (ret < 0) {
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
return ret;
}
} else {
/* set SSP2 to 24-bit */
params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
/*
* Default mode for SSP configuration is TDM 4 slot
*/
ret = snd_soc_dai_set_fmt(rtd->codec_dai,
SND_SOC_DAIFMT_DSP_B |
SND_SOC_DAIFMT_IB_NF |
SND_SOC_DAIFMT_CBS_CFS);
if (ret < 0) {
dev_err(rtd->dev, "can't set format to TDM %d\n", ret);
return ret;
}
/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
ret = snd_soc_dai_set_tdm_slot(rtd->codec_dai, 0xF, 0xF, 4, 24);
if (ret < 0) {
dev_err(rtd->dev, "can't set codec TDM slot %d\n", ret);
return ret;
}
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pierre-Louis Bossart | 222 | 75.51% | 2 | 50.00% |
| Fang, Yang A | 72 | 24.49% | 2 | 50.00% |
| Total | 294 | 100.00% | 4 | 100.00% |
static int cht_aif1_startup(struct snd_pcm_substream *substream)
{
return snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_RATE, 48000);
}
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| Lars-Peter Clausen | 2 | 8.70% | 1 | 50.00% |
| Total | 23 | 100.00% | 2 | 100.00% |
static const struct snd_soc_ops cht_aif1_ops = {
.startup = cht_aif1_startup,
};
static const struct snd_soc_ops cht_be_ssp2_ops = {
.hw_params = cht_aif1_hw_params,
};
static struct snd_soc_dai_link cht_dailink[] = {
[MERR_DPCM_AUDIO] = {
.name = "Audio Port",
.stream_name = "Audio",
.cpu_dai_name = "media-cpu-dai",
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.platform_name = "sst-mfld-platform",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &cht_aif1_ops,
},
[MERR_DPCM_DEEP_BUFFER] = {
.name = "Deep-Buffer Audio Port",
.stream_name = "Deep-Buffer Audio",
.cpu_dai_name = "deepbuffer-cpu-dai",
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.platform_name = "sst-mfld-platform",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.ops = &cht_aif1_ops,
},
[MERR_DPCM_COMPR] = {
.name = "Compressed Port",
.stream_name = "Compress",
.cpu_dai_name = "compress-cpu-dai",
.codec_dai_name = "snd-soc-dummy-dai",
.codec_name = "snd-soc-dummy",
.platform_name = "sst-mfld-platform",
},
/* CODEC<->CODEC link */
/* back ends */
{
.name = "SSP2-Codec",
.id = 1,
.cpu_dai_name = "ssp2-port",
.platform_name = "sst-mfld-platform",
.no_pcm = 1,
.codec_dai_name = "rt5645-aif1",
.codec_name = "i2c-10EC5645:00",
.init = cht_codec_init,
.be_hw_params_fixup = cht_codec_fixup,
.nonatomic = true,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &cht_be_ssp2_ops,
},
};
/* SoC card */
static struct snd_soc_card snd_soc_card_chtrt5645 = {
.name = "chtrt5645",
.owner = THIS_MODULE,
.dai_link = cht_dailink,
.num_links = ARRAY_SIZE(cht_dailink),
.dapm_widgets = cht_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
.dapm_routes = cht_rt5645_audio_map,
.num_dapm_routes = ARRAY_SIZE(cht_rt5645_audio_map),
.controls = cht_mc_controls,
.num_controls = ARRAY_SIZE(cht_mc_controls),
};
static struct snd_soc_card snd_soc_card_chtrt5650 = {
.name = "chtrt5650",
.owner = THIS_MODULE,
.dai_link = cht_dailink,
.num_links = ARRAY_SIZE(cht_dailink),
.dapm_widgets = cht_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
.dapm_routes = cht_rt5650_audio_map,
.num_dapm_routes = ARRAY_SIZE(cht_rt5650_audio_map),
.controls = cht_mc_controls,
.num_controls = ARRAY_SIZE(cht_mc_controls),
};
static struct cht_acpi_card snd_soc_cards[] = {
{"10EC5640", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
{"10EC5645", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
{"10EC5648", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
{"10EC3270", CODEC_TYPE_RT5645, &snd_soc_card_chtrt5645},
{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
};
static char cht_rt5645_codec_name[16];
/* i2c-<HID>:00 with HID being 8 chars */
static char cht_rt5645_codec_aif_name[12];
/* = "rt5645-aif[1|2]" */
static char cht_rt5645_cpu_dai_name[10];
/* = "ssp[0|2]-port" */
static bool is_valleyview(void)
{
static const struct x86_cpu_id cpu_ids[] = {
{ X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
{}
};
if (!x86_match_cpu(cpu_ids))
return false;
return true;
}
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| Total | 42 | 100.00% | 1 | 100.00% |
struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */
u64 aif_value; /* 1: AIF1, 2: AIF2 */
u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */
};
static int snd_cht_mc_probe(struct platform_device *pdev)
{
int ret_val = 0;
int i;
struct cht_mc_private *drv;
struct snd_soc_card *card = snd_soc_cards[0].soc_card;
struct sst_acpi_mach *mach;
const char *i2c_name = NULL;
int dai_index = 0;
bool found = false;
bool is_bytcr = false;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
if (!drv)
return -ENOMEM;
mach = (&pdev->dev)->platform_data;
for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
if (acpi_dev_found(snd_soc_cards[i].codec_id) &&
(!strncmp(snd_soc_cards[i].codec_id, mach->id, 8))) {
dev_dbg(&pdev->dev,
"found codec %s\n", snd_soc_cards[i].codec_id);
card = snd_soc_cards[i].soc_card;
drv->acpi_card = &snd_soc_cards[i];
found = true;
break;
}
}
if (!found) {
dev_err(&pdev->dev, "No matching HID found in supported list\n");
return -ENODEV;
}
card->dev = &pdev->dev;
sprintf(drv->codec_name, "i2c-%s:00", drv->acpi_card->codec_id);
/* set correct codec name */
for (i = 0; i < ARRAY_SIZE(cht_dailink); i++)
if (!strcmp(card->dai_link[i].codec_name, "i2c-10EC5645:00")) {
card->dai_link[i].codec_name = drv->codec_name;
dai_index = i;
}
/* fixup codec name based on HID */
i2c_name = sst_acpi_find_name_from_hid(mach->id);
if (i2c_name != NULL) {
snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
"%s%s", "i2c-", i2c_name);
cht_dailink[dai_index].codec_name = cht_rt5645_codec_name;
}
/*
* swap SSP0 if bytcr is detected
* (will be overridden if DMI quirk is detected)
*/
if (is_valleyview()) {
struct sst_platform_info *p_info = mach->pdata;
const struct sst_res_info *res_info = p_info->res_info;
if (res_info->acpi_ipc_irq_index == 0)
is_bytcr = true;
}
if (is_bytcr) {
/*
* Baytrail CR platforms may have CHAN package in BIOS, try
* to find relevant routing quirk based as done on Windows
* platforms. We have to read the information directly from the
* BIOS, at this stage the card is not created and the links
* with the codec driver/pdata are non-existent
*/
struct acpi_chan_package chan_package;
/* format specified: 2 64-bit integers */
struct acpi_buffer format = {sizeof("NN"), "NN"};
struct acpi_buffer state = {0, NULL};
struct sst_acpi_package_context pkg_ctx;
bool pkg_found = false;
state.length = sizeof(chan_package);
state.pointer = &chan_package;
pkg_ctx.name = "CHAN";
pkg_ctx.length = 2;
pkg_ctx.format = &format;
pkg_ctx.state = &state;
pkg_ctx.data_valid = false;
pkg_found = sst_acpi_find_package_from_hid(mach->id, &pkg_ctx);
if (pkg_found) {
if (chan_package.aif_value == 1) {
dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF1;
} else if (chan_package.aif_value == 2) {
dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
} else {
dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
pkg_found = false;
}
}
if (!pkg_found) {
/* no BIOS indications, assume SSP0-AIF2 connection */
cht_rt5645_quirk |= CHT_RT5645_SSP0_AIF2;
}
}
/* check quirks before creating card */
dmi_check_system(cht_rt5645_quirk_table);
log_quirks(&pdev->dev);
if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
(cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
/* fixup codec aif name */
snprintf(cht_rt5645_codec_aif_name,
sizeof(cht_rt5645_codec_aif_name),
"%s", "rt5645-aif2");
cht_dailink[dai_index].codec_dai_name =
cht_rt5645_codec_aif_name;
}
if ((cht_rt5645_quirk & CHT_RT5645_SSP0_AIF1) ||
(cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
/* fixup cpu dai name name */
snprintf(cht_rt5645_cpu_dai_name,
sizeof(cht_rt5645_cpu_dai_name),
"%s", "ssp0-port");
cht_dailink[dai_index].cpu_dai_name =
cht_rt5645_cpu_dai_name;
}
if (is_valleyview()) {
drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
if (IS_ERR(drv->mclk)) {
dev_err(&pdev->dev,
"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
PTR_ERR(drv->mclk));
return PTR_ERR(drv->mclk);
}
}
snd_soc_card_set_drvdata(card, drv);
ret_val = devm_snd_soc_register_card(&pdev->dev, card);
if (ret_val) {
dev_err(&pdev->dev,
"snd_soc_register_card failed %d\n", ret_val);
return ret_val;
}
platform_set_drvdata(pdev, card);
return ret_val;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pierre-Louis Bossart | 445 | 58.40% | 3 | 30.00% |
| Fang, Yang A | 211 | 27.69% | 2 | 20.00% |
| Vinod Koul | 68 | 8.92% | 2 | 20.00% |
| Carlo Caione | 33 | 4.33% | 1 | 10.00% |
| Takashi Iwai | 4 | 0.52% | 1 | 10.00% |
| Lukas Wunner | 1 | 0.13% | 1 | 10.00% |
| Total | 762 | 100.00% | 10 | 100.00% |
static struct platform_driver snd_cht_mc_driver = {
.driver = {
.name = "cht-bsw-rt5645",
},
.probe = snd_cht_mc_probe,
};
module_platform_driver(snd_cht_mc_driver)
MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
MODULE_AUTHOR("Fang, Yang A,N,Harshapriya");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:cht-bsw-rt5645");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Fang, Yang A | 1534 | 49.34% | 4 | 14.81% |
| Pierre-Louis Bossart | 1373 | 44.16% | 8 | 29.63% |
| Vinod Koul | 87 | 2.80% | 2 | 7.41% |
| Carlo Caione | 71 | 2.28% | 2 | 7.41% |
| Axel Lin | 10 | 0.32% | 1 | 3.70% |
| Takashi Iwai | 10 | 0.32% | 1 | 3.70% |
| Mengdong Lin | 10 | 0.32% | 2 | 7.41% |
| Lars-Peter Clausen | 8 | 0.26% | 2 | 7.41% |
| Jie Yang | 2 | 0.06% | 2 | 7.41% |
| Julia Lawall | 2 | 0.06% | 1 | 3.70% |
| Bard Liao | 1 | 0.03% | 1 | 3.70% |
| Lukas Wunner | 1 | 0.03% | 1 | 3.70% |
| Total | 3109 | 100.00% | 27 | 100.00% |
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