projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fa3eb70 S |
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) | |
| 37 | { | |
| 38 | return false; | |
| 39 | } | |
| 40 | ||
| 41 | static inline int cci_ace_get_port(struct device_node *dn) | |
| 42 | { | |
| 43 | return -ENODEV; | |
| 44 | } | |
| 45 | ||
| 46 | static inline int cci_disable_port_by_cpu(u64 mpidr) | |
| 47 | { | |
| 48 | return -ENODEV; | |
| 49 | } | |
| 50 | ||
| 51 | static inline int __cci_control_port_by_device(struct device_node *dn, bool enable) | |
| 52 | { | |
| 53 | return -ENODEV; | |
| 54 | } | |
| 55 | ||
| 56 | static inline int __cci_control_port_by_index(u32 port, bool enable) | |
| 57 | { | |
| 58 | return -ENODEV; | |
| 59 | } | |
| 60 | #endif | |
| 61 | #define cci_disable_port_by_device(dev) \ | |
| 62 | __cci_control_port_by_device(dev, false) | |
| 63 | #define cci_enable_port_by_device(dev) \ | |
| 64 | __cci_control_port_by_device(dev, true) | |
| 65 | #define cci_disable_port_by_index(dev) \ | |
| 66 | __cci_control_port_by_index(dev, false) | |
| 67 | #define cci_enable_port_by_index(dev) \ | |
| 68 | __cci_control_port_by_index(dev, true) | |
| 69 | ||
| 70 | #endif |