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ed69bdd8 LP |
1 | /* |
2 | * CCI cache coherent interconnect support | |
3 | * | |
4 | * Copyright (C) 2013 ARM Ltd. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #ifndef __LINUX_ARM_CCI_H | |
22 | #define __LINUX_ARM_CCI_H | |
23 | ||
24 | #include <linux/errno.h> | |
25 | #include <linux/types.h> | |
26 | ||
27 | struct device_node; | |
28 | ||
29 | #ifdef CONFIG_ARM_CCI | |
30 | extern bool cci_probed(void); | |
31 | extern int cci_ace_get_port(struct device_node *dn); | |
32 | extern int cci_disable_port_by_cpu(u64 mpidr); | |
33 | extern int __cci_control_port_by_device(struct device_node *dn, bool enable); | |
34 | extern int __cci_control_port_by_index(u32 port, bool enable); | |
35 | #else | |
36 | static inline bool cci_probed(void) { return false; } | |
37 | static inline int cci_ace_get_port(struct device_node *dn) | |
38 | { | |
39 | return -ENODEV; | |
40 | } | |
41 | static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; } | |
42 | static inline int __cci_control_port_by_device(struct device_node *dn, | |
43 | bool enable) | |
44 | { | |
45 | return -ENODEV; | |
46 | } | |
47 | static inline int __cci_control_port_by_index(u32 port, bool enable) | |
48 | { | |
49 | return -ENODEV; | |
50 | } | |
51 | #endif | |
52 | #define cci_disable_port_by_device(dev) \ | |
53 | __cci_control_port_by_device(dev, false) | |
54 | #define cci_enable_port_by_device(dev) \ | |
55 | __cci_control_port_by_device(dev, true) | |
56 | #define cci_disable_port_by_index(dev) \ | |
57 | __cci_control_port_by_index(dev, false) | |
58 | #define cci_enable_port_by_index(dev) \ | |
59 | __cci_control_port_by_index(dev, true) | |
60 | ||
61 | #endif |