From: Eason Yen <eason.yen@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: <linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>, <wsd_upstream@mediatek.com>,
Eason Yen <eason.yen@mediatek.com>
Subject: [PATCH v2 1/1] soc: mediatek: add SMC fid table for SIP interface
Date: Mon, 11 Nov 2019 10:30:02 +0800 [thread overview]
Message-ID: <1573439402-16249-2-git-send-email-eason.yen@mediatek.com> (raw)
In-Reply-To: <1573439402-16249-1-git-send-email-eason.yen@mediatek.com>
1. Add a header file to provide SIP interface to ATF
for clients, please define MTK_SIP_XXX with specific ID
2. Add AUDIO SMC fid
mtk sip call example:
arm_smccc_smc(MTK_SIP_AUDIO_CONTROL,
MTK_AUDIO_SMC_OP_DRAM_REQUEST,
0, 0, 0, 0, 0, 0, &res)
Signed-off-by: Eason Yen <eason.yen@mediatek.com>
---
include/linux/soc/mediatek/mtk_sip_svc.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h
diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h
new file mode 100644
index 0000000..00ee0f4
--- /dev/null
+++ b/include/linux/soc/mediatek/mtk_sip_svc.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#ifndef __MTK_SIP_SVC_H__
+#define __MTK_SIP_SVC_H__
+
+#include <linux/kernel.h>
+
+/* Error Code */
+#define SIP_SVC_E_SUCCESS 0
+#define SIP_SVC_E_NOT_SUPPORTED -1
+#define SIP_SVC_E_INVALID_PARAMS -2
+#define SIP_SVC_E_INVALID_Range -3
+#define SIP_SVC_E_PERMISSION_DENY -4
+
+#ifdef CONFIG_ARM64
+#define MTK_SIP_SMC_AARCH_BIT 0x40000000
+#else
+#define MTK_SIP_SMC_AARCH_BIT 0x00000000
+#endif
+
+/* AUDIO related SMC call */
+#define MTK_SIP_AUDIO_CONTROL \
+ (0x82000517 | MTK_SIP_SMC_AARCH_BIT)
+#endif
+/* __MTK_SIP_SVC_H__ */
--
1.7.9.5
next prev parent reply other threads:[~2019-11-11 2:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 2:30 [PATCH v2] soc: mediatek: add SMC fid table for SIP interface Eason Yen
2019-11-11 2:30 ` Eason Yen [this message]
2019-11-11 15:17 ` Matthias Brugger
2019-11-12 8:00 ` Eason Yen
2019-11-12 13:15 ` Matthias Brugger
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