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-rw-r--r--plat/mediatek/drivers/audio/audio.c43
-rw-r--r--plat/mediatek/drivers/audio/audio.h30
-rw-r--r--plat/mediatek/drivers/audio/mt8188/audio_domain.c44
-rw-r--r--plat/mediatek/drivers/audio/mt8188/mt_audio_private.h20
-rw-r--r--plat/mediatek/drivers/audio/mt8188/rules.mk13
-rw-r--r--plat/mediatek/drivers/audio/rules.mk19
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)))