blob: c4a69e0fbff71245ff840361da119bbaefc9467e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/*
* 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>
*
* 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.
*/
#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
|
