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mb/google/brya/variants/felwinter: Enable Bluetooth offload support 

Add fw_config support NMAX98360_ALC5682VS_I2S_2WAY and I2S2 vgpio
config and enabling cnvi_bt_audio_offload UPD bit.

BUG=none
TEST=emerge-brya coreboot

Signed-off-by: Mac Chiang <mac.chiang@intel.com>

Change-Id: I64a4e5479905911b2e9d1597b78131720abb689e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64691
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Mac Chiang 2022-05-26 05:31:14 -04:00 committed by Martin L Roth
parent 8d885577ce
commit fc32b8fea3
3 changed files with 50 additions and 0 deletions
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3
src/mainboard/google/brya/variants/felwinter/Makefile.inc
View File

@ -3,3 +3,6 @@ bootblock-y += gpio.c
ramstage-y += gpio.c
ramstage-$(CONFIG_FW_CONFIG) += variant.c
ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
ramstage-$(CONFIG_FW_CONFIG) += variant.c

45
src/mainboard/google/brya/variants/felwinter/fw_config.c Normal file
View File

@ -0,0 +1,45 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootstate.h>
#include <console/console.h>
#include <fw_config.h>
#include <gpio.h>
static const struct pad_config bt_i2s_enable_pads[] = {
PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3), /* BT_I2S_BCLK */
PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3), /* BT_I2S_SYNC */
PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3), /* BT_I2S_SDO */
PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3), /* BT_I2S_SDI */
PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1), /* SSP2_SCLK */
PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1), /* SSP2_SFRM */
PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1), /* SSP_TXD */
PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1), /* SSP_RXD */
};
static const struct pad_config bt_i2s_disable_pads[] = {
PAD_NC(GPP_VGPIO_30, NONE),
PAD_NC(GPP_VGPIO_31, NONE),
PAD_NC(GPP_VGPIO_32, NONE),
PAD_NC(GPP_VGPIO_33, NONE),
PAD_NC(GPP_VGPIO_34, NONE),
PAD_NC(GPP_VGPIO_35, NONE),
PAD_NC(GPP_VGPIO_36, NONE),
PAD_NC(GPP_VGPIO_37, NONE),
};
static void fw_config_handle(void *unused)
{
if (!fw_config_is_provisioned() ||
fw_config_probe(FW_CONFIG(AUDIO_AMP, UNPROVISIONED))) {
printk(BIOS_INFO, "Disable BT offload audio related GPIO pins.\n");
gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads));
return;
}
if (fw_config_probe(FW_CONFIG(AUDIO_AMP, MAX98360_ALC5682VS_I2S_2WAY))) {
printk(BIOS_INFO, "BT offload enabled over I2S with MAX98360+RT5682VS\n");
gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
}
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);

2
src/mainboard/google/brya/variants/felwinter/variant.c
View File

@ -17,4 +17,6 @@ void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
config->typec_aux_bias_pads[2].pad_auxn_dc = GPP_A20;
config->tcss_aux_ori = 0x10;
}
config->cnvi_bt_audio_offload = fw_config_probe(FW_CONFIG(AUDIO_AMP,
MAX98360_ALC5682VS_I2S_2WAY));
}