c2a77187de
scm_call_atomic*() can return a negative 32 bit value indicating an error. Change the function signature to indicate that this is possible. Change-Id: I633bb521410f9a07495ec5e73e3a8b0e9adb7af1 Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MACH_SCM_H
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#define __MACH_SCM_H
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#define SCM_SVC_BOOT 0x1
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#define SCM_SVC_PIL 0x2
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#define SCM_SVC_UTIL 0x3
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#define SCM_SVC_TZ 0x4
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#define SCM_SVC_IO 0x5
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#define SCM_SVC_INFO 0x6
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#define SCM_SVC_SSD 0x7
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#define SCM_SVC_FUSE 0x8
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#define SCM_SVC_PWR 0x9
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#define SCM_SVC_TZSCHEDULER 0xFC
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#ifdef CONFIG_MSM_SCM
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extern int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len,
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void *resp_buf, size_t resp_len);
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extern s32 scm_call_atomic1(u32 svc, u32 cmd, u32 arg1);
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extern s32 scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2);
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#define SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
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extern u32 scm_get_version(void);
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extern int scm_is_call_available(u32 svc_id, u32 cmd_id);
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#else
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static inline int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf,
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size_t cmd_len, void *resp_buf, size_t resp_len)
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{
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return 0;
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}
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static inline s32 scm_call_atomic1(u32 svc, u32 cmd, u32 arg1)
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{
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return 0;
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}
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static inline s32 scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2)
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{
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return 0;
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}
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static inline u32 scm_get_version(void)
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{
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return 0;
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}
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static inline int scm_is_call_available(u32 svc_id, u32 cmd_id)
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{
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return 0;
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}
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#endif
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#endif
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