Re: [PATCH v1 1/1] soc: mediatek: add SMC fid table for SIP interface

From: Matthias Brugger
Date: Sun Nov 10 2019 - 15:19:12 EST




On 28/10/2019 08:29, Eason Yen wrote:
> 1. Add a header file to provide SIP interface to ATF
> 2. Add AUDIO SMC fid
>
> Change-Id: I218e9f571cea079268a5414725a81e9b35702e33

Please delete Change-Id entry.
Apart from that, I don't really get the reason for this patch. Which driver is
supposed to use this header file?

Please provide more background information.

Regards,
Matthias

> Signed-off-by: Eason Yen <eason.yen@xxxxxxxxxxxx>
> ---
> 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__ */
>