diff options
| author | Mac Chiang <mac.chiang@intel.com> | 2022-05-26 05:31:14 -0400 |
|---|---|---|
| committer | Martin L Roth <gaumless@tutanota.com> | 2022-05-29 14:39:05 +0000 |
| commit | fc32b8fea3f58e41e4db869444b26ac12dcd6606 (patch) | |
| tree | 7113e40751395105263854b62c4781d10c1db304 /src/mainboard/google | |
| parent | 8d885577ce51a035828857079469d719249f5840 (diff) | |
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>
Diffstat (limited to 'src/mainboard/google')
3 files changed, 50 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/felwinter/Makefile.inc b/src/mainboard/google/brya/variants/felwinter/Makefile.inc index 0256c73bb4..d97f2af6bb 100644 --- a/src/mainboard/google/brya/variants/felwinter/Makefile.inc +++ b/src/mainboard/google/brya/variants/felwinter/Makefile.inc @@ -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 diff --git a/src/mainboard/google/brya/variants/felwinter/fw_config.c b/src/mainboard/google/brya/variants/felwinter/fw_config.c new file mode 100644 index 0000000000..2a89c9453a --- /dev/null +++ b/src/mainboard/google/brya/variants/felwinter/fw_config.c @@ -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); diff --git a/src/mainboard/google/brya/variants/felwinter/variant.c b/src/mainboard/google/brya/variants/felwinter/variant.c index b0bf99ac56..59a4d83a6d 100644 --- a/src/mainboard/google/brya/variants/felwinter/variant.c +++ b/src/mainboard/google/brya/variants/felwinter/variant.c @@ -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)); } |