/* SPDX-License-Identifier: GPL-2.0 */
|
/*
|
* Thunderbolt DMA configuration based mailbox support
|
*
|
* Copyright (C) 2017, Intel Corporation
|
* Authors: Michael Jamet <michael.jamet@intel.com>
|
* Mika Westerberg <mika.westerberg@linux.intel.com>
|
*/
|
|
#ifndef DMA_PORT_H_
|
#define DMA_PORT_H_
|
|
#include "tb.h"
|
|
struct tb_switch;
|
struct tb_dma_port;
|
|
#define DMA_PORT_CSS_ADDRESS 0x3fffff
|
#define DMA_PORT_CSS_MAX_SIZE SZ_128
|
|
struct tb_dma_port *dma_port_alloc(struct tb_switch *sw);
|
void dma_port_free(struct tb_dma_port *dma);
|
int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address,
|
void *buf, size_t size);
|
int dma_port_flash_update_auth(struct tb_dma_port *dma);
|
int dma_port_flash_update_auth_status(struct tb_dma_port *dma, u32 *status);
|
int dma_port_flash_write(struct tb_dma_port *dma, unsigned int address,
|
const void *buf, size_t size);
|
int dma_port_power_cycle(struct tb_dma_port *dma);
|
|
#endif
|
