| Tomasz Nowicki | 88ef16d | 2016-09-12 20:54:20 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016, Semihalf |
| 3 | * Author: Tomasz Nowicki <tn@semihalf.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms and conditions of the GNU General Public License, |
| 7 | * version 2, as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| 16 | * Place - Suite 330, Boston, MA 02111-1307 USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __ACPI_IORT_H__ |
| 20 | #define __ACPI_IORT_H__ |
| 21 | |
| 22 | #include <linux/acpi.h> |
| Tomasz Nowicki | 4bf2efd | 2016-09-12 20:32:21 +0200 | [diff] [blame] | 23 | #include <linux/fwnode.h> |
| 24 | #include <linux/irqdomain.h> |
| Tomasz Nowicki | 88ef16d | 2016-09-12 20:54:20 +0200 | [diff] [blame] | 25 | |
| Tomasz Nowicki | 4bf2efd | 2016-09-12 20:32:21 +0200 | [diff] [blame] | 26 | int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node); |
| 27 | void iort_deregister_domain_token(int trans_id); |
| 28 | struct fwnode_handle *iort_find_domain_token(int trans_id); |
| Tomasz Nowicki | 88ef16d | 2016-09-12 20:54:20 +0200 | [diff] [blame] | 29 | #ifdef CONFIG_ACPI_IORT |
| 30 | void acpi_iort_init(void); |
| Tomasz Nowicki | 4bf2efd | 2016-09-12 20:32:21 +0200 | [diff] [blame] | 31 | u32 iort_msi_map_rid(struct device *dev, u32 req_id); |
| 32 | struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id); |
| Tomasz Nowicki | 88ef16d | 2016-09-12 20:54:20 +0200 | [diff] [blame] | 33 | #else |
| 34 | static inline void acpi_iort_init(void) { } |
| Tomasz Nowicki | 4bf2efd | 2016-09-12 20:32:21 +0200 | [diff] [blame] | 35 | static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id) |
| 36 | { return req_id; } |
| 37 | static inline struct irq_domain *iort_get_device_domain(struct device *dev, |
| 38 | u32 req_id) |
| 39 | { return NULL; } |
| Tomasz Nowicki | 88ef16d | 2016-09-12 20:54:20 +0200 | [diff] [blame] | 40 | #endif |
| 41 | |
| 42 | #endif /* __ACPI_IORT_H__ */ |