forked from mirrors/linux
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2016 Broadcom
|
|
*
|
|
* Common header for Broadcom mailbox messages which is shared across
|
|
* Broadcom SoCs and Broadcom mailbox client drivers.
|
|
*/
|
|
|
|
#ifndef _LINUX_BRCM_MESSAGE_H_
|
|
#define _LINUX_BRCM_MESSAGE_H_
|
|
|
|
#include <linux/scatterlist.h>
|
|
|
|
enum brcm_message_type {
|
|
BRCM_MESSAGE_UNKNOWN = 0,
|
|
BRCM_MESSAGE_BATCH,
|
|
BRCM_MESSAGE_SPU,
|
|
BRCM_MESSAGE_SBA,
|
|
BRCM_MESSAGE_MAX,
|
|
};
|
|
|
|
struct brcm_sba_command {
|
|
u64 cmd;
|
|
u64 *cmd_dma;
|
|
dma_addr_t cmd_dma_addr;
|
|
#define BRCM_SBA_CMD_TYPE_A BIT(0)
|
|
#define BRCM_SBA_CMD_TYPE_B BIT(1)
|
|
#define BRCM_SBA_CMD_TYPE_C BIT(2)
|
|
#define BRCM_SBA_CMD_HAS_RESP BIT(3)
|
|
#define BRCM_SBA_CMD_HAS_OUTPUT BIT(4)
|
|
u64 flags;
|
|
dma_addr_t resp;
|
|
size_t resp_len;
|
|
dma_addr_t data;
|
|
size_t data_len;
|
|
};
|
|
|
|
struct brcm_message {
|
|
enum brcm_message_type type;
|
|
union {
|
|
struct {
|
|
struct brcm_message *msgs;
|
|
unsigned int msgs_queued;
|
|
unsigned int msgs_count;
|
|
} batch;
|
|
struct {
|
|
struct scatterlist *src;
|
|
struct scatterlist *dst;
|
|
} spu;
|
|
struct {
|
|
struct brcm_sba_command *cmds;
|
|
unsigned int cmds_count;
|
|
} sba;
|
|
};
|
|
void *ctx;
|
|
int error;
|
|
};
|
|
|
|
#endif /* _LINUX_BRCM_MESSAGE_H_ */
|