/* * Copyright (C) 2012 ARM Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __CLKSOURCE_ARM_ARCH_TIMER_H #define __CLKSOURCE_ARM_ARCH_TIMER_H #include <linux/timecounter.h> #include <linux/types.h> #define ARCH_TIMER_CTRL_ENABLE (1 << 0) #define ARCH_TIMER_CTRL_IT_MASK (1 << 1) #define ARCH_TIMER_CTRL_IT_STAT (1 << 2) #define CNTHCTL_EL1PCTEN (1 << 0) #define CNTHCTL_EL1PCEN (1 << 1) #define CNTHCTL_EVNTEN (1 << 2) #define CNTHCTL_EVNTDIR (1 << 3) #define CNTHCTL_EVNTI (0xF << 4) enum arch_timer_reg { ARCH_TIMER_REG_CTRL, ARCH_TIMER_REG_TVAL, }; #define ARCH_TIMER_PHYS_ACCESS 0 #define ARCH_TIMER_VIRT_ACCESS 1 #define ARCH_TIMER_MEM_PHYS_ACCESS 2 #define ARCH_TIMER_MEM_VIRT_ACCESS 3 #define ARCH_TIMER_USR_PCT_ACCESS_EN (1 << 0) /* physical counter */ #define ARCH_TIMER_USR_VCT_ACCESS_EN (1 << 1) /* virtual counter */ #define ARCH_TIMER_VIRT_EVT_EN (1 << 2) #define ARCH_TIMER_EVT_TRIGGER_SHIFT (4) #define ARCH_TIMER_EVT_TRIGGER_MASK (0xF << ARCH_TIMER_EVT_TRIGGER_SHIFT) #define ARCH_TIMER_USR_VT_ACCESS_EN (1 << 8) /* virtual timer registers */ #define ARCH_TIMER_USR_PT_ACCESS_EN (1 << 9) /* physical timer registers */ #define ARCH_TIMER_EVT_STREAM_FREQ 10000 /* 100us */ struct arch_timer_kvm_info { struct timecounter timecounter; int virtual_irq; }; #ifdef CONFIG_ARM_ARCH_TIMER extern u32 arch_timer_get_rate(void); extern u64 (*arch_timer_read_counter)(void); extern struct arch_timer_kvm_info *arch_timer_get_kvm_info(void); #else
static inline u32 arch_timer_get_rate(void) { return 0; }Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| mark rutland | mark rutland | 12 | 100.00% | 1 | 100.00% |
| Total | 12 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp | |
| mark rutland | mark rutland | 12 | 100.00% | 1 | 100.00% |
| Total | 12 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp | |
| mark rutland | mark rutland | 83 | 46.89% | 1 | 11.11% |
| sudeep karkadanagesha | sudeep karkadanagesha | 32 | 18.08% | 1 | 11.11% |
| marc zyngier | marc zyngier | 20 | 11.30% | 1 | 11.11% |
| julien grall | julien grall | 19 | 10.73% | 2 | 22.22% |
| stephen boyd | stephen boyd | 17 | 9.60% | 2 | 22.22% |
| will deacon | will deacon | 5 | 2.82% | 1 | 11.11% |
| richard cochran | richard cochran | 1 | 0.56% | 1 | 11.11% |
| Total | 177 | 100.00% | 9 | 100.00% |