1 /* 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 20 struct fsi_device { 21 struct device dev; 22 u8 engine_type; 23 u8 version; 24 u8 unit; 25 struct fsi_slave *slave; 26 uint32_t addr; 27 uint32_t size; 28 }; 29 30 struct 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 44 struct fsi_driver { 45 struct device_driver drv; 46 const struct fsi_device_id *id_table; 47 }; 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 52 extern struct bus_type fsi_bus_type; 53 54 #endif /* LINUX_FSI_H */ 55