83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* Neither the name of ARM nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __SCPI_H__
|
|
#define __SCPI_H__
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
extern void *scpi_secure_message_start(void);
|
|
extern void scpi_secure_message_send(unsigned command, size_t size);
|
|
extern unsigned scpi_secure_message_receive(void **message_out, size_t *size_out);
|
|
extern void scpi_secure_message_end(void);
|
|
|
|
|
|
enum {
|
|
SCP_OK = 0, /* Success */
|
|
SCP_E_PARAM, /* Invalid parameter(s) */
|
|
SCP_E_ALIGN, /* Invalid alignment */
|
|
SCP_E_SIZE, /* Invalid size */
|
|
SCP_E_HANDLER, /* Invalid handler or callback */
|
|
SCP_E_ACCESS, /* Invalid access or permission denied */
|
|
SCP_E_RANGE, /* Value out of range */
|
|
SCP_E_TIMEOUT, /* Time out has ocurred */
|
|
SCP_E_NOMEM, /* Invalid memory area or pointer */
|
|
SCP_E_PWRSTATE, /* Invalid power state */
|
|
SCP_E_SUPPORT, /* Feature not supported or disabled */
|
|
};
|
|
|
|
typedef uint32_t scpi_status_t;
|
|
|
|
typedef enum {
|
|
SCPI_CMD_SCP_READY = 0x01,
|
|
SCPI_CMD_SET_CSS_POWER_STATE = 0x04,
|
|
SCPI_CMD_SYS_POWER_STATE = 0x08
|
|
} scpi_command_t;
|
|
|
|
typedef enum {
|
|
scpi_power_on = 0,
|
|
scpi_power_retention = 1,
|
|
scpi_power_off = 3,
|
|
} scpi_power_state_t;
|
|
|
|
typedef enum {
|
|
scpi_system_shutdown = 0,
|
|
scpi_system_reboot = 1,
|
|
scpi_system_reset = 2
|
|
} scpi_system_state_t;
|
|
|
|
extern int scpi_wait_ready(void);
|
|
extern void scpi_set_css_power_state(unsigned mpidr, scpi_power_state_t cpu_state,
|
|
scpi_power_state_t cluster_state, scpi_power_state_t css_state);
|
|
uint32_t scpi_sys_power_state(scpi_system_state_t system_state);
|
|
|
|
#endif /* __SCPI_H__ */
|