feat(mt8188): add audio support
For MT8188, MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS is required for normal
mode switch.
- Add audio common code and chip specific code.
- Add new id (MTK_SIP_AUDIO_CONTROL) to mtk_sip_def.h.
- Enable for MT8188.
Change-Id: Iff4680cd0b520b2b519ecf30ecafe100f147cc62
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;
+}