diff options
Diffstat (limited to '')
| -rw-r--r-- | plat/mediatek/drivers/audio/mt8188/audio_domain.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/plat/mediatek/drivers/audio/mt8188/audio_domain.c b/plat/mediatek/drivers/audio/mt8188/audio_domain.c new file mode 100644 index 0000000..cbafd19 --- /dev/null +++ b/plat/mediatek/drivers/audio/mt8188/audio_domain.c @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2022, Mediatek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <errno.h> +#include <common/debug.h> + +#include <audio.h> +#include <mt_audio_private.h> +#include <mtk_mmap_pool.h> +#include <platform_def.h> +#include <spm_reg.h> + +#define MODULE_TAG "[AUDIO_DOMAIN]" + +int32_t set_audio_domain_sidebands(void) +{ + uint32_t val = mmio_read_32(PWR_STATUS); + + if ((val & BIT(SPM_PWR_STATUS_AUDIO_BIT)) == 0) { + ERROR("%s: %s, pwr_status=0x%x, w/o [%d]AUDIO!\n", + MODULE_TAG, __func__, val, SPM_PWR_STATUS_AUDIO_BIT); + return -EIO; + } + + mmio_write_32(AFE_SE_SECURE_CON, 0x0); + + mmio_write_32(AFE_SECURE_SIDEBAND0, 0x0); + mmio_write_32(AFE_SECURE_SIDEBAND1, 0x0); + mmio_write_32(AFE_SECURE_SIDEBAND2, 0x0); + mmio_write_32(AFE_SECURE_SIDEBAND3, 0x0); + + VERBOSE("%s: %s, SE_SECURE_CON=0x%x, SIDEBAND0/1/2/3=0x%x/0x%x/0x%x/0x%x\n", + MODULE_TAG, __func__, + mmio_read_32(AFE_SE_SECURE_CON), + mmio_read_32(AFE_SECURE_SIDEBAND0), + mmio_read_32(AFE_SECURE_SIDEBAND1), + mmio_read_32(AFE_SECURE_SIDEBAND2), + mmio_read_32(AFE_SECURE_SIDEBAND3)); + + return 0; +} |