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mb/google/fatcat/variants/fatcat: Enable BT audio offload

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vGPIO configs are configured to enable SSP2 for BT audio offload.

BUG=b:391771159
Test=Verified BT offload with I2S and soundwire configuration

Change-Id: Id68667d674386cf9e6abc066a4637ee055a967f3
Signed-off-by: Uday M Bhat <uday.m.bhat@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86121
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jamie Ryu <jamie.m.ryu@intel.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Pranava Y N <pranavayn@google.com>
This commit is contained in:
Uday M Bhat 2024-12-17 18:05:29 +05:30 • committed by Subrata Banik
commit a7c3129f3f
2 changed files with 62 additions and 6 deletions
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61
src/mainboard/google/fatcat/variants/fatcat/fw_config.c
View file

@ -85,6 +85,44 @@ static const struct pad_config sndw_external_codec_enable_pads[] = {
PAD_CFG_GPO(GPP_D13, 1, PLTRST),
};
static const struct pad_config bt_i2s_enable_pads[] = {
/* GPP_V30 : [] ==> BT_I2S_BCLK - SSP2 */
PAD_CFG_NF(GPP_VGPIO30, NONE, DEEP, NF3),
/* GPP_V31 : [] ==> BT_I2S_SYNC - SSP2 */
PAD_CFG_NF(GPP_VGPIO31, NONE, DEEP, NF3),
/* GPP_V32 : [] ==> BT_I2S_SDO - SSP2 */
PAD_CFG_NF(GPP_VGPIO32, NONE, DEEP, NF3),
/* GPP_V33 : [] ==> BT_I2S_SDI - SSP2 */
PAD_CFG_NF(GPP_VGPIO33, NONE, DEEP, NF3),
/* GPP_V34 : [] ==> SSP_SCLK */
PAD_CFG_NF(GPP_VGPIO34, NONE, DEEP, NF1),
/* GPP_V35 : [] ==> SSP_SFRM */
PAD_CFG_NF(GPP_VGPIO35, NONE, DEEP, NF1),
/* GPP_V36 : [] ==> SSP_TXD */
PAD_CFG_NF(GPP_VGPIO36, NONE, DEEP, NF1),
/* GPP_V37 : [] ==> SSP_RXD */
PAD_CFG_NF(GPP_VGPIO37, NONE, DEEP, NF1),
};
static const struct pad_config bt_i2s_disable_pads[] = {
/* GPP_V30 : [] ==> BT_I2S_BCLK */
PAD_NC(GPP_VGPIO30, NONE),
/* GPP_V31 : [] ==> BT_I2S_SYNC */
PAD_NC(GPP_VGPIO31, NONE),
/* GPP_V32 : [] ==> BT_I2S_SDO */
PAD_NC(GPP_VGPIO32, NONE),
/* GPP_V33 : [] ==> BT_I2S_SDI */
PAD_NC(GPP_VGPIO33, NONE),
/* GPP_V34 : [] ==> SSP2_SCLK */
PAD_NC(GPP_VGPIO34, NONE),
/* GPP_V35 : [] ==> SSP2_SFRM */
PAD_NC(GPP_VGPIO35, NONE),
/* GPP_V36 : [] ==> SSP_TXD */
PAD_NC(GPP_VGPIO36, NONE),
/* GPP_V37 : [] ==> SSP_RXD */
PAD_NC(GPP_VGPIO37, NONE),
};
static const struct pad_config sndw_alc722_enable_pads[] = {
/* SNDW3_CLK */
PAD_CFG_NF(GPP_S00, NONE, DEEP, NF1),
@ -535,17 +573,28 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
GPIO_PADBASED_OVERRIDE(padbased_table, ufs_enable_pads);
}
if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_NONE)))
if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_NONE))) {
GPIO_PADBASED_OVERRIDE(padbased_table, audio_disable_pads);
else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_MAX98360_ALC5682I_I2S)))
GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_disable_pads);
} else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_MAX98360_ALC5682I_I2S))) {
printk(BIOS_INFO, "Configure GPIOs for I2S MAX98360 ALC5682 audio.\n");
GPIO_PADBASED_OVERRIDE(padbased_table, i2s_enable_pads);
else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_MAX98373_ALC5682_SNDW)))
printk(BIOS_INFO, "Configure GPIOs for BT offload mode.\n");
GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_enable_pads);
} else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_MAX98373_ALC5682_SNDW))) {
GPIO_PADBASED_OVERRIDE(padbased_table, sndw_external_codec_enable_pads);
else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC722_SNDW)) ||
fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC721_SNDW)))
GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_disable_pads);
} else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC722_SNDW)) ||
fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC721_SNDW))) {
printk(BIOS_INFO, "Configure GPIOs for Soundwire audio.\n");
GPIO_PADBASED_OVERRIDE(padbased_table, sndw_alc722_enable_pads);
else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC256_HDA)))
printk(BIOS_INFO, "Configure GPIOs for BT offload mode.\n");
GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_enable_pads);
} else if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC256_HDA))) {
printk(BIOS_INFO, "Configure GPIOs for HDA ALC 256 mode.\n");
GPIO_PADBASED_OVERRIDE(padbased_table, hda_enable_pads);
GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_disable_pads);
}
if (fw_config_probe(FW_CONFIG(WIFI, WIFI_PCIE_6)) ||
fw_config_probe(FW_CONFIG(WIFI, WIFI_PCIE_7))) {

7
src/mainboard/google/fatcat/variants/fatcat/variant.c
View file

@ -19,5 +19,12 @@ void variant_update_soc_chip_config(struct soc_intel_pantherlake_config *config)
fw_config_probe(FW_CONFIG(WIFI, WIFI_CNVI_7))) {
config->cnvi_wifi_core = true;
config->cnvi_bt_core = true;
if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_MAX98360_ALC5682I_I2S)) ||
fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC722_SNDW)) ||
fw_config_probe(FW_CONFIG(AUDIO, AUDIO_ALC721_SNDW))) {
printk(BIOS_INFO, "BT audio offload configured.\n");
config->cnvi_bt_audio_offload = true;
}
}
}