static int snd_cht_mc_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = snd_soc_cards[0].soc_card;
struct snd_soc_acpi_mach *mach;
struct cht_mc_private *drv;
const char *i2c_name = NULL;
bool found = false;
bool is_bytcr = false;
int dai_index = 0;
int ret_val = 0;
int i;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
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 = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
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()) {
if (mach->mach_params.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 snd_soc_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 = snd_soc_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;
}
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;
}
static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
{
const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
struct byt_rt5651_private *priv;
struct snd_soc_acpi_mach *mach;
struct device *codec_dev;
const char *i2c_name = NULL;
const char *hp_swapped;
bool is_bytcr = false;
int ret_val = 0;
int dai_index = 0;
int i;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
/* register the soc card */
byt_rt5651_card.dev = &pdev->dev;
mach = byt_rt5651_card.dev->platform_data;
snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
/* fix index of codec dai */
for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
if (!strcmp(byt_rt5651_dais[i].codec_name, "i2c-10EC5651:00")) {
dai_index = i;
break;
}
}
/* fixup codec name based on HID */
i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (!i2c_name) {
dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
return -ENODEV;
}
snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
"%s%s", "i2c-", i2c_name);
byt_rt5651_dais[dai_index].codec_name = byt_rt5651_codec_name;
codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
byt_rt5651_codec_name);
if (!codec_dev)
return -EPROBE_DEFER;
/*
* swap SSP0 if bytcr is detected
* (will be overridden if DMI quirk is detected)
*/
if (x86_match_cpu(baytrail_cpu_ids)) {
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 snd_soc_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 = snd_soc_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");
byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
} else if (chan_package.aif_value == 2) {
dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
byt_rt5651_quirk |= BYT_RT5651_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 */
byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
}
}
/* check quirks before creating card */
dmi_check_system(byt_rt5651_quirk_table);
/* Must be called before register_card, also see declaration comment. */
ret_val = byt_rt5651_add_codec_device_props(codec_dev);
if (ret_val) {
put_device(codec_dev);
return ret_val;
}
/* Cherry Trail devices use an external amplifier enable gpio */
if (x86_match_cpu(cherrytrail_cpu_ids)) {
snd_byt_rt5651_mc_add_amp_en_gpio_mapping(codec_dev);
priv->ext_amp_gpio = devm_fwnode_get_index_gpiod_from_child(
&pdev->dev, "ext-amp-enable", 0,
codec_dev->fwnode,
GPIOD_OUT_LOW, "speaker-amp");
if (IS_ERR(priv->ext_amp_gpio)) {
ret_val = PTR_ERR(priv->ext_amp_gpio);
switch (ret_val) {
case -ENOENT:
priv->ext_amp_gpio = NULL;
break;
default:
dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
ret_val);
/* fall through */
case -EPROBE_DEFER:
put_device(codec_dev);
return ret_val;
}
}
}
put_device(codec_dev);
log_quirks(&pdev->dev);
if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
(byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
/* fixup codec aif name */
snprintf(byt_rt5651_codec_aif_name,
sizeof(byt_rt5651_codec_aif_name),
"%s", "rt5651-aif2");
byt_rt5651_dais[dai_index].codec_dai_name =
byt_rt5651_codec_aif_name;
}
if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
(byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
/* fixup cpu dai name name */
snprintf(byt_rt5651_cpu_dai_name,
sizeof(byt_rt5651_cpu_dai_name),
"%s", "ssp0-port");
byt_rt5651_dais[dai_index].cpu_dai_name =
byt_rt5651_cpu_dai_name;
}
if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
if (IS_ERR(priv->mclk)) {
ret_val = PTR_ERR(priv->mclk);
dev_err(&pdev->dev,
"Failed to get MCLK from pmc_plt_clk_3: %d\n",
ret_val);
/*
* Fall back to bit clock usage for -ENOENT (clock not
* available likely due to missing dependencies), bail
* for all other errors, including -EPROBE_DEFER
*/
if (ret_val != -ENOENT)
return ret_val;
byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
}
}
if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED)
hp_swapped = "-hp-swapped";
else
hp_swapped = "";
snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
"bytcr-rt5651-%s-spk-%s-mic%s",
(byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
"mono" : "stereo",
mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], hp_swapped);
byt_rt5651_card.long_name = byt_rt5651_long_name;
ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
if (ret_val) {
dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
ret_val);
return ret_val;
}
platform_set_drvdata(pdev, &byt_rt5651_card);
return ret_val;
}
