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Jeremy Kerr0508ad12017-02-01 10:53:41 -06001/* FSI device & driver interfaces
2 *
3 * Copyright (C) IBM Corporation 2016
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15#ifndef LINUX_FSI_H
16#define LINUX_FSI_H
17
18#include <linux/device.h>
19
Jeremy Kerrfda07a62017-02-01 10:53:42 -060020struct fsi_device {
Jeremy Kerrdd37eed2017-02-01 10:53:43 -060021 struct device dev;
22 u8 engine_type;
23 u8 version;
Jeremy Kerrf7ade2a2017-06-06 16:08:44 -050024 u8 unit;
25 struct fsi_slave *slave;
26 uint32_t addr;
27 uint32_t size;
Jeremy Kerrfda07a62017-02-01 10:53:42 -060028};
29
Jeremy Kerrdd37eed2017-02-01 10:53:43 -060030struct fsi_device_id {
31 u8 engine_type;
32 u8 version;
33};
34
35#define FSI_VERSION_ANY 0
36
37#define FSI_DEVICE(t) \
38 .engine_type = (t), .version = FSI_VERSION_ANY,
39
40#define FSI_DEVICE_VERSIONED(t, v) \
41 .engine_type = (t), .version = (v),
42
43
Jeremy Kerrfda07a62017-02-01 10:53:42 -060044struct fsi_driver {
Jeremy Kerrdd37eed2017-02-01 10:53:43 -060045 struct device_driver drv;
46 const struct fsi_device_id *id_table;
Jeremy Kerrfda07a62017-02-01 10:53:42 -060047};
48
49#define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev)
50#define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv)
51
Jeremy Kerr0508ad12017-02-01 10:53:41 -060052extern struct bus_type fsi_bus_type;
53
54#endif /* LINUX_FSI_H */