diff options
Diffstat (limited to 'plat/mediatek/drivers/audio')
| -rw-r--r-- | plat/mediatek/drivers/audio/audio.c | 43 | ||||
| -rw-r--r-- | plat/mediatek/drivers/audio/audio.h | 30 | ||||
| -rw-r--r-- | plat/mediatek/drivers/audio/mt8188/audio_domain.c | 44 | ||||
| -rw-r--r-- | plat/mediatek/drivers/audio/mt8188/mt_audio_private.h | 20 | ||||
| -rw-r--r-- | plat/mediatek/drivers/audio/mt8188/rules.mk | 13 | ||||
| -rw-r--r-- | plat/mediatek/drivers/audio/rules.mk | 19 |
6 files changed, 169 insertions, 0 deletions
diff --git a/plat/mediatek/drivers/audio/audio.c b/plat/mediatek/drivers/audio/audio.c new file mode 100644 index 0000000..285c565 --- /dev/null +++ b/plat/mediatek/drivers/audio/audio.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <errno.h> +#include <stdbool.h> + +#include <common/debug.h> + +#include <audio.h> + +#include <mtk_sip_svc.h> + +#define MODULE_TAG "[AUDIO]" + +static u_register_t audio_smc_handler(u_register_t x1, u_register_t x2, + u_register_t x3, u_register_t x4, + void *handle, struct smccc_res *smccc_ret) +{ + uint32_t request_ops; + int ret; + + request_ops = (uint32_t)x1; + + switch (request_ops) { + case MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS: + ret = set_audio_domain_sidebands(); + break; + default: + ERROR("%s: %s: Unsupported request_ops %x\n", + MODULE_TAG, __func__, request_ops); + ret = -EIO; + break; + } + + VERBOSE("%s: %s, request_ops = %x, ret = %d\n", + MODULE_TAG, __func__, request_ops, ret); + return ret; +} +/* Register SiP SMC service */ +DECLARE_SMC_HANDLER(MTK_SIP_AUDIO_CONTROL, audio_smc_handler); diff --git a/plat/mediatek/drivers/audio/audio.h b/plat/mediatek/drivers/audio/audio.h new file mode 100644 index 0000000..1598a92 --- /dev/null +++ b/plat/mediatek/drivers/audio/audio.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef AUDIO_H +#define AUDIO_H + +#include <stdint.h> +#include <lib/mmio.h> + +enum mtk_audio_smc_call_op { + MTK_AUDIO_SMC_OP_INIT = 0, + MTK_AUDIO_SMC_OP_DRAM_REQUEST, + MTK_AUDIO_SMC_OP_DRAM_RELEASE, + MTK_AUDIO_SMC_OP_SRAM_REQUEST, + MTK_AUDIO_SMC_OP_SRAM_RELEASE, + MTK_AUDIO_SMC_OP_ADSP_REQUEST, + MTK_AUDIO_SMC_OP_ADSP_RELEASE, + MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS, + MTK_AUDIO_SMC_OP_BTCVSD_WRITE, + MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_CLEAR, + MTK_AUDIO_SMC_OP_BTCVSD_UPDATE_CTRL_UNDERFLOW, + MTK_AUDIO_SMC_OP_NUM, +}; + +int32_t set_audio_domain_sidebands(void); + +#endif /* AUDIO_H */ 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; +} diff --git a/plat/mediatek/drivers/audio/mt8188/mt_audio_private.h b/plat/mediatek/drivers/audio/mt8188/mt_audio_private.h new file mode 100644 index 0000000..bcb1abc --- /dev/null +++ b/plat/mediatek/drivers/audio/mt8188/mt_audio_private.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef MT_AUDIO_PRIVATE_H +#define MT_AUDIO_PRIVATE_H + +#include <platform_def.h> + +#define AFE_SE_SECURE_CON (AUDIO_BASE + 0x17a8) +#define AFE_SECURE_SIDEBAND0 (AUDIO_BASE + 0x1908) +#define AFE_SECURE_SIDEBAND1 (AUDIO_BASE + 0x190c) +#define AFE_SECURE_SIDEBAND2 (AUDIO_BASE + 0x1910) +#define AFE_SECURE_SIDEBAND3 (AUDIO_BASE + 0x1914) + +#define SPM_PWR_STATUS_AUDIO_BIT (6) + +#endif /* MT_AUDIO_PRIVATE_H */ diff --git a/plat/mediatek/drivers/audio/mt8188/rules.mk b/plat/mediatek/drivers/audio/mt8188/rules.mk new file mode 100644 index 0000000..82acbfc --- /dev/null +++ b/plat/mediatek/drivers/audio/mt8188/rules.mk @@ -0,0 +1,13 @@ +# +# Copyright (c) 2022, MediaTek Inc. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +LOCAL_DIR := $(call GET_LOCAL_DIR) + +MODULE := audio_${MTK_SOC} + +LOCAL_SRCS-y := ${LOCAL_DIR}/audio_domain.c + +$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL))) diff --git a/plat/mediatek/drivers/audio/rules.mk b/plat/mediatek/drivers/audio/rules.mk new file mode 100644 index 0000000..8538a64 --- /dev/null +++ b/plat/mediatek/drivers/audio/rules.mk @@ -0,0 +1,19 @@ +# +# Copyright (c) 2022, MediaTek Inc. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +LOCAL_DIR := $(call GET_LOCAL_DIR) + +MODULE := audio + +LOCAL_SRCS-y := ${LOCAL_DIR}/audio.c + +PLAT_INCLUDES += -I${LOCAL_DIR} +PLAT_INCLUDES += -I${LOCAL_DIR}/$(MTK_SOC) + +SUB_RULES-y:= ${LOCAL_DIR}/${MTK_SOC} + +$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL))) +$(eval $(call INCLUDE_MAKEFILE,$(SUB_RULES-y))) |