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Diffstat (limited to 'include/asm-x86/acpi_32.h')
| -rw-r--r-- | include/asm-x86/acpi_32.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/include/asm-x86/acpi_32.h b/include/asm-x86/acpi_32.h new file mode 100644 index 000000000000..125179adf044 --- /dev/null +++ b/include/asm-x86/acpi_32.h @@ -0,0 +1,147 @@ +/* + * asm-i386/acpi.h + * + * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#ifndef _ASM_ACPI_H +#define _ASM_ACPI_H + +#ifdef __KERNEL__ + +#include <acpi/pdc_intel.h> + +#include <asm/system.h> /* defines cmpxchg */ + +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long + +/* + * Calling conventions: + * + * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) + * ACPI_EXTERNAL_XFACE - External ACPI interfaces + * ACPI_INTERNAL_XFACE - Internal ACPI interfaces + * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces + */ +#define ACPI_SYSTEM_XFACE +#define ACPI_EXTERNAL_XFACE +#define ACPI_INTERNAL_XFACE +#define ACPI_INTERNAL_VAR_XFACE + +/* Asm macros */ + +#define ACPI_ASM_MACROS +#define BREAKPOINT3 +#define ACPI_DISABLE_IRQS() local_irq_disable() +#define ACPI_ENABLE_IRQS() local_irq_enable() +#define ACPI_FLUSH_CPU_CACHE() wbinvd() + +int __acpi_acquire_global_lock(unsigned int *lock); +int __acpi_release_global_lock(unsigned int *lock); + +#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ + ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) + +#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ + ((Acq) = __acpi_release_global_lock(&facs->global_lock)) + +/* + * Math helper asm macros + */ +#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ + asm("divl %2;" \ + :"=a"(q32), "=d"(r32) \ + :"r"(d32), \ + "0"(n_lo), "1"(n_hi)) + + +#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ + asm("shrl $1,%2;" \ + "rcrl $1,%3;" \ + :"=r"(n_hi), "=r"(n_lo) \ + :"0"(n_hi), "1"(n_lo)) + +#ifdef CONFIG_X86_IO_APIC +extern void check_acpi_pci(void); +#else +static inline void check_acpi_pci(void) { } +#endif + +#ifdef CONFIG_ACPI +extern int acpi_lapic; +extern int acpi_ioapic; +extern int acpi_noirq; +extern int acpi_strict; +extern int acpi_disabled; +extern int acpi_ht; +extern int acpi_pci_disabled; +static inline void disable_acpi(void) +{ + acpi_disabled = 1; + acpi_ht = 0; + acpi_pci_disabled = 1; + acpi_noirq = 1; +} + +/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ +#define FIX_ACPI_PAGES 4 + +extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); + +#ifdef CONFIG_X86_IO_APIC +extern int acpi_skip_timer_override; +extern int acpi_use_timer_override; +#endif + +static inline void acpi_noirq_set(void) { acpi_noirq = 1; } +static inline void acpi_disable_pci(void) +{ + acpi_pci_disabled = 1; + acpi_noirq_set(); +} +extern int acpi_irq_balance_set(char *str); + +/* routines for saving/restoring kernel state */ +extern int acpi_save_state_mem(void); +extern void acpi_restore_state_mem(void); + +extern unsigned long acpi_wakeup_address; + +/* early initialization routine */ +extern void acpi_reserve_bootmem(void); + +#else /* !CONFIG_ACPI */ + +#define acpi_lapic 0 +#define acpi_ioapic 0 +static inline void acpi_noirq_set(void) { } +static inline void acpi_disable_pci(void) { } +static inline void disable_acpi(void) { } + +#endif /* !CONFIG_ACPI */ + +#define ARCH_HAS_POWER_INIT 1 + +#endif /*__KERNEL__*/ + +#endif /*_ASM_ACPI_H*/ |
