/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2018 NXP
*
* Header file for the IPC implementation .
*/
#ifndef _SC_IPC_H
#define _SC_IPC_H
#include <linux/device.h>
#include <linux/types.h>
#define IMX_SC_RPC_VERSION 1
#define IMX_SC_RPC_MAX_MSG 8
struct imx_sc_ipc;
enum imx_sc_rpc_svc {
IMX_SC_RPC_SVC_UNKNOWN = 0 ,
IMX_SC_RPC_SVC_RETURN = 1 ,
IMX_SC_RPC_SVC_PM = 2 ,
IMX_SC_RPC_SVC_RM = 3 ,
IMX_SC_RPC_SVC_TIMER = 5 ,
IMX_SC_RPC_SVC_PAD = 6 ,
IMX_SC_RPC_SVC_MISC = 7 ,
IMX_SC_RPC_SVC_IRQ = 8 ,
};
struct imx_sc_rpc_msg {
uint8_t ver;
uint8_t size;
uint8_t svc;
uint8_t func;
};
#ifdef CONFIG_IMX_SCU
/*
* This is an function to send an RPC message over an IPC channel .
* It is called by client - side SCFW API function shims .
*
* @ param [ in ] ipc IPC handle
* @ param [ in , out ] msg handle to a message
* @ param [ in ] have_resp response flag
*
* If have_resp is true then this function waits for a response
* and returns the result in msg .
*/
int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg, bool have_resp);
/*
* This function gets the default ipc handle used by SCU
*
* @ param [ out ] ipc sc ipc handle
*
* @ return Returns an error code ( 0 = success , failed if < 0 )
*/
int imx_scu_get_handle(struct imx_sc_ipc **ipc);
#else
static inline int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg,
bool have_resp)
{
return -ENOTSUPP;
}
static inline int imx_scu_get_handle(struct imx_sc_ipc **ipc)
{
return -ENOTSUPP;
}
#endif
#endif /* _SC_IPC_H */
Messung V0.5 in Prozent C=94 H=100 G=96
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-01)
¤
*© Formatika GbR, Deutschland