blob: bfe6f6cdddf201f29359c66c22f8f6865aa4aa12 [file] [log] [blame]
* INTEL MID Remote Processor Core Head File
* Copyright (C) 2012 Intel, Inc.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
typedef int (*rpmsg_handle_t)(void *rx_buf, void *tx_buf,
u32 *r_len, u32 *s_len);
int scu_ipc_rpmsg_handle(void *rx_buf, void *tx_buf, u32 *r_len, u32 *s_len);
int psh_ipc_rpmsg_handle(void *rx_buf, void *tx_buf, u32 *len);
#define IPROC_NAME_SIZE 20
* struct intel_mid_rproc - intel mid remote processor
* @ns_enabled: name service enabled flag
* @name: rproc name
* @type: rproc type
* @r_vring_last_used: last used index of rx vring
* @s_vring_last_used: last used index of tx vring
* @rproc: rproc handle
* @rx_vring: rproc rx vring
* @tx_vring: rproc tx vring
* @ns_info: loop cursor when creating ns channels
* @rproc_rpmsg_handle: rproc private rpmsg handle
struct intel_mid_rproc {
bool ns_enabled;
char name[IPROC_NAME_SIZE];
u32 type;
u32 r_vring_last_used;
u32 s_vring_last_used;
struct rproc *rproc;
struct vring rx_vring;
struct vring tx_vring;
struct rpmsg_ns_info *ns_info;
rpmsg_handle_t rproc_rpmsg_handle;
enum local_vring_idx {
extern void intel_mid_rproc_vq_interrupt(struct rproc *rproc, int msg);
extern int intel_mid_rproc_msg_handle(struct intel_mid_rproc *iproc);
extern int intel_mid_rproc_ns_handle(struct intel_mid_rproc *iproc,
struct rpmsg_ns_info *ns_info);
extern struct rproc_vdev *find_rvdev(struct rproc *rproc, int id);
extern int find_vring_index(struct rproc *rproc, int vqid, int id);
extern void intel_mid_rproc_vring_init(struct rproc *rproc,
struct vring *vring, enum local_vring_idx id);
extern void rpmsg_ns_del_list(struct rpmsg_ns_list *nslist);
/* Please do NOT use these APIs to send ipc commands,
* use rpmsg commands defined in <asm/intel_mid_rpmsg.h>
extern void intel_scu_ipc_send_command(u32 cmd);
/* Issue commands to the SCU with or without data */
extern int intel_scu_ipc_simple_command(int cmd, int sub);
extern int intel_scu_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
u32 *out, u32 outlen);
extern int intel_scu_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen,
u32 *out, u32 outlen, u32 dptr, u32 sptr);
/* IPC locking */
extern void intel_scu_ipc_lock(void);
extern void intel_scu_ipc_unlock(void);