H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_ACPI_H |
| 2 | #define _ASM_X86_ACPI_H |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 3 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 4 | /* |
| 5 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> |
| 6 | * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> |
| 7 | * |
| 8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 25 | */ |
| 26 | #include <acpi/pdc_intel.h> |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 27 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 28 | #include <asm/numa.h> |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 29 | #include <asm/processor.h> |
Venki Pallipadi | bde6f5f | 2008-01-30 13:32:01 +0100 | [diff] [blame] | 30 | #include <asm/mmu.h> |
Ingo Molnar | 4c1cbaf | 2008-06-03 09:28:52 +0200 | [diff] [blame] | 31 | #include <asm/mpspec.h> |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 32 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 33 | #define COMPILER_DEPENDENT_INT64 long long |
| 34 | #define COMPILER_DEPENDENT_UINT64 unsigned long long |
| 35 | |
| 36 | /* |
| 37 | * Calling conventions: |
| 38 | * |
| 39 | * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) |
| 40 | * ACPI_EXTERNAL_XFACE - External ACPI interfaces |
| 41 | * ACPI_INTERNAL_XFACE - Internal ACPI interfaces |
| 42 | * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces |
| 43 | */ |
| 44 | #define ACPI_SYSTEM_XFACE |
| 45 | #define ACPI_EXTERNAL_XFACE |
| 46 | #define ACPI_INTERNAL_XFACE |
| 47 | #define ACPI_INTERNAL_VAR_XFACE |
| 48 | |
| 49 | /* Asm macros */ |
| 50 | |
| 51 | #define ACPI_ASM_MACROS |
| 52 | #define BREAKPOINT3 |
| 53 | #define ACPI_DISABLE_IRQS() local_irq_disable() |
| 54 | #define ACPI_ENABLE_IRQS() local_irq_enable() |
| 55 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() |
| 56 | |
| 57 | int __acpi_acquire_global_lock(unsigned int *lock); |
| 58 | int __acpi_release_global_lock(unsigned int *lock); |
| 59 | |
| 60 | #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ |
| 61 | ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) |
| 62 | |
| 63 | #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ |
| 64 | ((Acq) = __acpi_release_global_lock(&facs->global_lock)) |
| 65 | |
| 66 | /* |
| 67 | * Math helper asm macros |
| 68 | */ |
| 69 | #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ |
| 70 | asm("divl %2;" \ |
Joe Perches | 8dbeeb2 | 2008-03-23 01:01:36 -0700 | [diff] [blame] | 71 | : "=a"(q32), "=d"(r32) \ |
| 72 | : "r"(d32), \ |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 73 | "0"(n_lo), "1"(n_hi)) |
| 74 | |
| 75 | |
| 76 | #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ |
| 77 | asm("shrl $1,%2 ;" \ |
| 78 | "rcrl $1,%3;" \ |
Joe Perches | 8dbeeb2 | 2008-03-23 01:01:36 -0700 | [diff] [blame] | 79 | : "=r"(n_hi), "=r"(n_lo) \ |
| 80 | : "0"(n_hi), "1"(n_lo)) |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 81 | |
| 82 | #ifdef CONFIG_ACPI |
| 83 | extern int acpi_lapic; |
| 84 | extern int acpi_ioapic; |
| 85 | extern int acpi_noirq; |
| 86 | extern int acpi_strict; |
| 87 | extern int acpi_disabled; |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 88 | extern int acpi_pci_disabled; |
| 89 | extern int acpi_skip_timer_override; |
| 90 | extern int acpi_use_timer_override; |
| 91 | |
Harvey Harrison | 6697c05 | 2008-02-09 23:24:08 +0100 | [diff] [blame] | 92 | extern u8 acpi_sci_flags; |
| 93 | extern int acpi_sci_override_gsi; |
| 94 | void acpi_pic_sci_set_trigger(unsigned int, u16); |
| 95 | |
Jeremy Fitzhardinge | 90f6881 | 2010-06-24 17:05:41 +0100 | [diff] [blame] | 96 | extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi, |
| 97 | int trigger, int polarity); |
| 98 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 99 | static inline void disable_acpi(void) |
| 100 | { |
| 101 | acpi_disabled = 1; |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 102 | acpi_pci_disabled = 1; |
| 103 | acpi_noirq = 1; |
| 104 | } |
| 105 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 106 | extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); |
| 107 | |
| 108 | static inline void acpi_noirq_set(void) { acpi_noirq = 1; } |
| 109 | static inline void acpi_disable_pci(void) |
| 110 | { |
| 111 | acpi_pci_disabled = 1; |
| 112 | acpi_noirq_set(); |
| 113 | } |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 114 | |
| 115 | /* routines for saving/restoring kernel state */ |
| 116 | extern int acpi_save_state_mem(void); |
| 117 | extern void acpi_restore_state_mem(void); |
| 118 | |
| 119 | extern unsigned long acpi_wakeup_address; |
| 120 | |
| 121 | /* early initialization routine */ |
Yinghai Lu | 196cf0d | 2009-11-10 18:27:23 -0800 | [diff] [blame] | 122 | extern void acpi_reserve_wakeup_memory(void); |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 123 | |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 124 | /* |
| 125 | * Check if the CPU can handle C2 and deeper |
| 126 | */ |
| 127 | static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) |
| 128 | { |
| 129 | /* |
| 130 | * Early models (<=5) of AMD Opterons are not supposed to go into |
| 131 | * C2 state. |
| 132 | * |
| 133 | * Steppings 0x0A and later are good |
| 134 | */ |
| 135 | if (boot_cpu_data.x86 == 0x0F && |
| 136 | boot_cpu_data.x86_vendor == X86_VENDOR_AMD && |
| 137 | boot_cpu_data.x86_model <= 0x05 && |
| 138 | boot_cpu_data.x86_mask < 0x0A) |
| 139 | return 1; |
Michal Schmidt | e8c534e | 2010-07-27 18:53:35 +0200 | [diff] [blame] | 140 | else if (c1e_detected) |
Thomas Gleixner | a8d6829 | 2008-09-22 19:02:25 +0200 | [diff] [blame] | 141 | return 1; |
Alexey Starikovskiy | c1c3063 | 2007-11-26 20:42:19 +0100 | [diff] [blame] | 142 | else |
| 143 | return max_cstate; |
| 144 | } |
| 145 | |
Alex Chiang | 1d9cb47 | 2009-12-20 12:19:14 -0700 | [diff] [blame] | 146 | static inline bool arch_has_acpi_pdc(void) |
| 147 | { |
| 148 | struct cpuinfo_x86 *c = &cpu_data(0); |
| 149 | return (c->x86_vendor == X86_VENDOR_INTEL || |
| 150 | c->x86_vendor == X86_VENDOR_CENTAUR); |
| 151 | } |
| 152 | |
Alex Chiang | 6c5807d | 2009-12-20 12:19:29 -0700 | [diff] [blame] | 153 | static inline void arch_acpi_set_pdc_bits(u32 *buf) |
| 154 | { |
| 155 | struct cpuinfo_x86 *c = &cpu_data(0); |
| 156 | |
| 157 | buf[2] |= ACPI_PDC_C_CAPABILITY_SMP; |
| 158 | |
| 159 | if (cpu_has(c, X86_FEATURE_EST)) |
| 160 | buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP; |
| 161 | |
| 162 | if (cpu_has(c, X86_FEATURE_ACPI)) |
| 163 | buf[2] |= ACPI_PDC_T_FFH; |
| 164 | |
| 165 | /* |
| 166 | * If mwait/monitor is unsupported, C2/C3_FFH will be disabled |
| 167 | */ |
| 168 | if (!cpu_has(c, X86_FEATURE_MWAIT)) |
| 169 | buf[2] &= ~(ACPI_PDC_C_C2C3_FFH); |
| 170 | } |
| 171 | |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 172 | #else /* !CONFIG_ACPI */ |
| 173 | |
| 174 | #define acpi_lapic 0 |
| 175 | #define acpi_ioapic 0 |
| 176 | static inline void acpi_noirq_set(void) { } |
| 177 | static inline void acpi_disable_pci(void) { } |
| 178 | static inline void disable_acpi(void) { } |
| 179 | |
| 180 | #endif /* !CONFIG_ACPI */ |
| 181 | |
| 182 | #define ARCH_HAS_POWER_INIT 1 |
| 183 | |
| 184 | struct bootnode; |
| 185 | |
| 186 | #ifdef CONFIG_ACPI_NUMA |
| 187 | extern int acpi_numa; |
David Rientjes | 8716273 | 2009-09-25 15:20:04 -0700 | [diff] [blame] | 188 | extern int acpi_get_nodes(struct bootnode *physnodes); |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 189 | extern int acpi_scan_nodes(unsigned long start, unsigned long end); |
Yinghai Lu | 1c6e550 | 2008-06-17 15:41:45 -0700 | [diff] [blame] | 190 | #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) |
Glauber de Oliveira Costa | 7ba65c7 | 2008-01-30 13:31:57 +0100 | [diff] [blame] | 191 | extern void acpi_fake_nodes(const struct bootnode *fake_nodes, |
Thomas Gleixner | 0b80fc7 | 2008-01-30 13:30:36 +0100 | [diff] [blame] | 192 | int num_nodes); |
| 193 | #else |
| 194 | static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, |
| 195 | int num_nodes) |
| 196 | { |
| 197 | } |
| 198 | #endif |
| 199 | |
Venki Pallipadi | bde6f5f | 2008-01-30 13:32:01 +0100 | [diff] [blame] | 200 | #define acpi_unlazy_tlb(x) leave_mm(x) |
| 201 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 202 | #endif /* _ASM_X86_ACPI_H */ |