mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 10:44:14 +08:00
4af889b0ff
For slaves that are behind a software-clocked master, we want FSI CFAMs to run asynchronously to the FSI clock, so set up our slaves to be in async mode. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/*
|
|
* FSI master definitions. These comprise the core <--> master interface,
|
|
* to allow the core to interact with the (hardware-specific) masters.
|
|
*
|
|
* Copyright (C) IBM Corporation 2016
|
|
*
|
|
* 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
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef DRIVERS_FSI_MASTER_H
|
|
#define DRIVERS_FSI_MASTER_H
|
|
|
|
#include <linux/device.h>
|
|
|
|
#define FSI_MASTER_FLAG_SWCLOCK 0x1
|
|
|
|
struct fsi_master {
|
|
struct device dev;
|
|
int idx;
|
|
int n_links;
|
|
int flags;
|
|
int (*read)(struct fsi_master *, int link, uint8_t id,
|
|
uint32_t addr, void *val, size_t size);
|
|
int (*write)(struct fsi_master *, int link, uint8_t id,
|
|
uint32_t addr, const void *val, size_t size);
|
|
int (*term)(struct fsi_master *, int link, uint8_t id);
|
|
int (*send_break)(struct fsi_master *, int link);
|
|
int (*link_enable)(struct fsi_master *, int link);
|
|
};
|
|
|
|
#define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev)
|
|
|
|
extern int fsi_master_register(struct fsi_master *master);
|
|
extern void fsi_master_unregister(struct fsi_master *master);
|
|
|
|
#endif /* DRIVERS_FSI_MASTER_H */
|