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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172/* 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);#elsestatic 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 */