11965aae3SH. Peter Anvin #ifndef _ASM_X86_ACPI_H 21965aae3SH. Peter Anvin #define _ASM_X86_ACPI_H 3bb898558SAl Viro 4bb898558SAl Viro /* 5bb898558SAl Viro * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 6bb898558SAl Viro * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> 7bb898558SAl Viro * 8bb898558SAl Viro * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 9bb898558SAl Viro * 10bb898558SAl Viro * This program is free software; you can redistribute it and/or modify 11bb898558SAl Viro * it under the terms of the GNU General Public License as published by 12bb898558SAl Viro * the Free Software Foundation; either version 2 of the License, or 13bb898558SAl Viro * (at your option) any later version. 14bb898558SAl Viro * 15bb898558SAl Viro * This program is distributed in the hope that it will be useful, 16bb898558SAl Viro * but WITHOUT ANY WARRANTY; without even the implied warranty of 17bb898558SAl Viro * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18bb898558SAl Viro * GNU General Public License for more details. 19bb898558SAl Viro * 20bb898558SAl Viro * You should have received a copy of the GNU General Public License 21bb898558SAl Viro * along with this program; if not, write to the Free Software 22bb898558SAl Viro * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23bb898558SAl Viro * 24bb898558SAl Viro * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 25bb898558SAl Viro */ 26bb898558SAl Viro #include <acpi/pdc_intel.h> 27bb898558SAl Viro 28bb898558SAl Viro #include <asm/numa.h> 29bb898558SAl Viro #include <asm/processor.h> 30bb898558SAl Viro #include <asm/mmu.h> 31bb898558SAl Viro #include <asm/mpspec.h> 32bb898558SAl Viro 33bb898558SAl Viro #define COMPILER_DEPENDENT_INT64 long long 34bb898558SAl Viro #define COMPILER_DEPENDENT_UINT64 unsigned long long 35bb898558SAl Viro 36bb898558SAl Viro /* 37bb898558SAl Viro * Calling conventions: 38bb898558SAl Viro * 39bb898558SAl Viro * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) 40bb898558SAl Viro * ACPI_EXTERNAL_XFACE - External ACPI interfaces 41bb898558SAl Viro * ACPI_INTERNAL_XFACE - Internal ACPI interfaces 42bb898558SAl Viro * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces 43bb898558SAl Viro */ 44bb898558SAl Viro #define ACPI_SYSTEM_XFACE 45bb898558SAl Viro #define ACPI_EXTERNAL_XFACE 46bb898558SAl Viro #define ACPI_INTERNAL_XFACE 47bb898558SAl Viro #define ACPI_INTERNAL_VAR_XFACE 48bb898558SAl Viro 49bb898558SAl Viro /* Asm macros */ 50bb898558SAl Viro 51bb898558SAl Viro #define ACPI_ASM_MACROS 52bb898558SAl Viro #define BREAKPOINT3 53bb898558SAl Viro #define ACPI_DISABLE_IRQS() local_irq_disable() 54bb898558SAl Viro #define ACPI_ENABLE_IRQS() local_irq_enable() 55bb898558SAl Viro #define ACPI_FLUSH_CPU_CACHE() wbinvd() 56bb898558SAl Viro 57bb898558SAl Viro int __acpi_acquire_global_lock(unsigned int *lock); 58bb898558SAl Viro int __acpi_release_global_lock(unsigned int *lock); 59bb898558SAl Viro 60bb898558SAl Viro #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ 61bb898558SAl Viro ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) 62bb898558SAl Viro 63bb898558SAl Viro #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ 64bb898558SAl Viro ((Acq) = __acpi_release_global_lock(&facs->global_lock)) 65bb898558SAl Viro 66bb898558SAl Viro /* 67bb898558SAl Viro * Math helper asm macros 68bb898558SAl Viro */ 69bb898558SAl Viro #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ 70bb898558SAl Viro asm("divl %2;" \ 71bb898558SAl Viro : "=a"(q32), "=d"(r32) \ 72bb898558SAl Viro : "r"(d32), \ 73bb898558SAl Viro "0"(n_lo), "1"(n_hi)) 74bb898558SAl Viro 75bb898558SAl Viro 76bb898558SAl Viro #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ 77bb898558SAl Viro asm("shrl $1,%2 ;" \ 78bb898558SAl Viro "rcrl $1,%3;" \ 79bb898558SAl Viro : "=r"(n_hi), "=r"(n_lo) \ 80bb898558SAl Viro : "0"(n_hi), "1"(n_lo)) 81bb898558SAl Viro 82bb898558SAl Viro #ifdef CONFIG_ACPI 83bb898558SAl Viro extern int acpi_lapic; 84bb898558SAl Viro extern int acpi_ioapic; 85bb898558SAl Viro extern int acpi_noirq; 86bb898558SAl Viro extern int acpi_strict; 87bb898558SAl Viro extern int acpi_disabled; 88bb898558SAl Viro extern int acpi_ht; 89bb898558SAl Viro extern int acpi_pci_disabled; 90bb898558SAl Viro extern int acpi_skip_timer_override; 91bb898558SAl Viro extern int acpi_use_timer_override; 92bb898558SAl Viro 93bb898558SAl Viro extern u8 acpi_sci_flags; 94bb898558SAl Viro extern int acpi_sci_override_gsi; 95bb898558SAl Viro void acpi_pic_sci_set_trigger(unsigned int, u16); 96bb898558SAl Viro 97bb898558SAl Viro static inline void disable_acpi(void) 98bb898558SAl Viro { 99bb898558SAl Viro acpi_disabled = 1; 100bb898558SAl Viro acpi_ht = 0; 101bb898558SAl Viro acpi_pci_disabled = 1; 102bb898558SAl Viro acpi_noirq = 1; 103bb898558SAl Viro } 104bb898558SAl Viro 105bb898558SAl Viro extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); 106bb898558SAl Viro 107bb898558SAl Viro static inline void acpi_noirq_set(void) { acpi_noirq = 1; } 108bb898558SAl Viro static inline void acpi_disable_pci(void) 109bb898558SAl Viro { 110bb898558SAl Viro acpi_pci_disabled = 1; 111bb898558SAl Viro acpi_noirq_set(); 112bb898558SAl Viro } 113bb898558SAl Viro 114bb898558SAl Viro /* routines for saving/restoring kernel state */ 115bb898558SAl Viro extern int acpi_save_state_mem(void); 116bb898558SAl Viro extern void acpi_restore_state_mem(void); 117bb898558SAl Viro 118bb898558SAl Viro extern unsigned long acpi_wakeup_address; 119bb898558SAl Viro 120bb898558SAl Viro /* early initialization routine */ 121196cf0d6SYinghai Lu extern void acpi_reserve_wakeup_memory(void); 122bb898558SAl Viro 123bb898558SAl Viro /* 124bb898558SAl Viro * Check if the CPU can handle C2 and deeper 125bb898558SAl Viro */ 126bb898558SAl Viro static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) 127bb898558SAl Viro { 128bb898558SAl Viro /* 129bb898558SAl Viro * Early models (<=5) of AMD Opterons are not supposed to go into 130bb898558SAl Viro * C2 state. 131bb898558SAl Viro * 132bb898558SAl Viro * Steppings 0x0A and later are good 133bb898558SAl Viro */ 134bb898558SAl Viro if (boot_cpu_data.x86 == 0x0F && 135bb898558SAl Viro boot_cpu_data.x86_vendor == X86_VENDOR_AMD && 136bb898558SAl Viro boot_cpu_data.x86_model <= 0x05 && 137bb898558SAl Viro boot_cpu_data.x86_mask < 0x0A) 138bb898558SAl Viro return 1; 139bb898558SAl Viro else if (boot_cpu_has(X86_FEATURE_AMDC1E)) 140bb898558SAl Viro return 1; 141bb898558SAl Viro else 142bb898558SAl Viro return max_cstate; 143bb898558SAl Viro } 144bb898558SAl Viro 145bb898558SAl Viro #else /* !CONFIG_ACPI */ 146bb898558SAl Viro 147bb898558SAl Viro #define acpi_lapic 0 148bb898558SAl Viro #define acpi_ioapic 0 149bb898558SAl Viro static inline void acpi_noirq_set(void) { } 150bb898558SAl Viro static inline void acpi_disable_pci(void) { } 151bb898558SAl Viro static inline void disable_acpi(void) { } 152bb898558SAl Viro 153bb898558SAl Viro #endif /* !CONFIG_ACPI */ 154bb898558SAl Viro 155bb898558SAl Viro #define ARCH_HAS_POWER_INIT 1 156bb898558SAl Viro 157bb898558SAl Viro struct bootnode; 158bb898558SAl Viro 159bb898558SAl Viro #ifdef CONFIG_ACPI_NUMA 160bb898558SAl Viro extern int acpi_numa; 1618716273cSDavid Rientjes extern int acpi_get_nodes(struct bootnode *physnodes); 162bb898558SAl Viro extern int acpi_scan_nodes(unsigned long start, unsigned long end); 163bb898558SAl Viro #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) 164bb898558SAl Viro extern void acpi_fake_nodes(const struct bootnode *fake_nodes, 165bb898558SAl Viro int num_nodes); 166bb898558SAl Viro #else 167bb898558SAl Viro static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, 168bb898558SAl Viro int num_nodes) 169bb898558SAl Viro { 170bb898558SAl Viro } 171bb898558SAl Viro #endif 172bb898558SAl Viro 173bb898558SAl Viro #define acpi_unlazy_tlb(x) leave_mm(x) 174bb898558SAl Viro 1751965aae3SH. Peter Anvin #endif /* _ASM_X86_ACPI_H */ 176