diff options
Diffstat (limited to 'arch/i386/kernel/acpi/sleep_32.c')
-rw-r--r-- | arch/i386/kernel/acpi/sleep_32.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/arch/i386/kernel/acpi/sleep_32.c b/arch/i386/kernel/acpi/sleep_32.c deleted file mode 100644 index c42b5ab49deb..000000000000 --- a/arch/i386/kernel/acpi/sleep_32.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * sleep.c - x86-specific ACPI sleep support. - * - * Copyright (C) 2001-2003 Patrick Mochel - * Copyright (C) 2001-2003 Pavel Machek <pavel@suse.cz> - */ - -#include <linux/acpi.h> -#include <linux/bootmem.h> -#include <linux/dmi.h> -#include <linux/cpumask.h> - -#include <asm/smp.h> - -/* address in low memory of the wakeup routine. */ -unsigned long acpi_wakeup_address = 0; -unsigned long acpi_realmode_flags; -extern char wakeup_start, wakeup_end; - -extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long)); - -/** - * acpi_save_state_mem - save kernel state - * - * Create an identity mapped page table and copy the wakeup routine to - * low memory. - */ -int acpi_save_state_mem(void) -{ - if (!acpi_wakeup_address) - return 1; - memcpy((void *)acpi_wakeup_address, &wakeup_start, - &wakeup_end - &wakeup_start); - acpi_copy_wakeup_routine(acpi_wakeup_address); - - return 0; -} - -/* - * acpi_restore_state - undo effects of acpi_save_state_mem - */ -void acpi_restore_state_mem(void) -{ -} - -/** - * acpi_reserve_bootmem - do _very_ early ACPI initialisation - * - * We allocate a page from the first 1MB of memory for the wakeup - * routine for when we come back from a sleep state. The - * runtime allocator allows specification of <16MB pages, but not - * <1MB pages. - */ -void __init acpi_reserve_bootmem(void) -{ - if ((&wakeup_end - &wakeup_start) > PAGE_SIZE) { - printk(KERN_ERR - "ACPI: Wakeup code way too big, S3 disabled.\n"); - return; - } - - acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE); - if (!acpi_wakeup_address) - printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n"); -} - -static int __init acpi_sleep_setup(char *str) -{ - while ((str != NULL) && (*str != '\0')) { - if (strncmp(str, "s3_bios", 7) == 0) - acpi_realmode_flags |= 1; - if (strncmp(str, "s3_mode", 7) == 0) - acpi_realmode_flags |= 2; - if (strncmp(str, "s3_beep", 7) == 0) - acpi_realmode_flags |= 4; - str = strchr(str, ','); - if (str != NULL) - str += strspn(str, ", \t"); - } - return 1; -} - -__setup("acpi_sleep=", acpi_sleep_setup); - -/* Ouch, we want to delete this. We already have better version in userspace, in - s2ram from suspend.sf.net project */ -static __init int reset_videomode_after_s3(struct dmi_system_id *d) -{ - acpi_realmode_flags |= 2; - return 0; -} - -static __initdata struct dmi_system_id acpisleep_dmi_table[] = { - { /* Reset video mode after returning from ACPI S3 sleep */ - .callback = reset_videomode_after_s3, - .ident = "Toshiba Satellite 4030cdt", - .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"), - }, - }, - {} -}; - -static int __init acpisleep_dmi_init(void) -{ - dmi_check_system(acpisleep_dmi_table); - return 0; -} - -core_initcall(acpisleep_dmi_init); |