/* * acpi.h - ACPI driver interface * * Copyright (C) 1999 Andrew Henroid * * 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 _LINUX_ACPI_H #define _LINUX_ACPI_H #include #include #ifdef __KERNEL__ #include #include #endif /* __KERNEL__ */ /* * System sleep states */ enum { ACPI_S0, /* working */ ACPI_S1, /* sleep */ ACPI_S2, /* sleep */ ACPI_S3, /* sleep */ ACPI_S4, /* non-volatile sleep */ ACPI_S5, /* soft-off */ }; typedef int acpi_sstate_t; /* * Device states */ enum { ACPI_D0, /* fully-on */ ACPI_D1, /* partial-on */ ACPI_D2, /* partial-on */ ACPI_D3, /* fully-off */ }; typedef int acpi_dstate_t; /* RSDP location */ #define ACPI_BIOS_ROM_BASE (0x0e0000) #define ACPI_BIOS_ROM_END (0x100000) /* Table signatures */ #define ACPI_RSDP1_SIG 0x20445352 /* 'RSD ' */ #define ACPI_RSDP2_SIG 0x20525450 /* 'PTR ' */ #define ACPI_RSDT_SIG 0x54445352 /* 'RSDT' */ #define ACPI_FACP_SIG 0x50434146 /* 'FACP' */ #define ACPI_DSDT_SIG 0x54445344 /* 'DSDT' */ #define ACPI_FACS_SIG 0x53434146 /* 'FACS' */ /* PM1_STS/EN flags */ #define ACPI_TMR 0x0001 #define ACPI_BM 0x0010 #define ACPI_GBL 0x0020 #define ACPI_PWRBTN 0x0100 #define ACPI_SLPBTN 0x0200 #define ACPI_RTC 0x0400 #define ACPI_WAK 0x8000 /* PM1_CNT flags */ #define ACPI_SCI_EN 0x0001 #define ACPI_BM_RLD 0x0002 #define ACPI_GBL_RLS 0x0004 #define ACPI_SLP_TYP0 0x0400 #define ACPI_SLP_TYP1 0x0800 #define ACPI_SLP_TYP2 0x1000 #define ACPI_SLP_EN 0x2000 #define ACPI_SLP_TYP_MASK 0x1c00 #define ACPI_SLP_TYP_SHIFT 10 /* PM_TMR masks */ #define ACPI_TMR_MASK 0x00ffffff #define ACPI_TMR_HZ 3580000 /* 3.58 MHz */ /* strangess to avoid integer overflow */ #define ACPI_uS_TO_TMR_TICKS(val) \ (((val) * (ACPI_TMR_HZ / 10000)) / 100) #define ACPI_TMR_TICKS_TO_uS(ticks) \ (((ticks) * 100) / (ACPI_TMR_HZ / 10000)) /* PM2_CNT flags */ #define ACPI_ARB_DIS 0x01 /* FACP flags */ #define ACPI_WBINVD 0x00000001 #define ACPI_WBINVD_FLUSH 0x00000002 #define ACPI_PROC_C1 0x00000004 #define ACPI_P_LVL2_UP 0x00000008 #define ACPI_PWR_BUTTON 0x00000010 #define ACPI_SLP_BUTTON 0x00000020 #define ACPI_FIX_RTC 0x00000040 #define ACPI_RTC_64 0x00000080 #define ACPI_TMR_VAL_EXT 0x00000100 #define ACPI_DCK_CAP 0x00000200 /* FACP BOOT_ARCH flags */ #define FACP_BOOT_ARCH_LEGACY_DEVICES 0x0001 #define FACP_BOOT_ARCH_KBD_CONTROLLER 0x0002 /* FACS flags */ #define ACPI_S4BIOS 0x00000001 /* processor block offsets */ #define ACPI_P_CNT 0x00000000 #define ACPI_P_LVL2 0x00000004 #define ACPI_P_LVL3 0x00000005 /* C-state latencies (microseconds) */ #define ACPI_MAX_P_LVL2_LAT 100 #define ACPI_MAX_P_LVL3_LAT 1000 #define ACPI_INFINITE_LAT (~0UL) struct acpi_rsdp { __u32 signature[2]; __u8 checksum; __u8 oem[6]; __u8 reserved; __u32 rsdt; } __attribute__ ((packed)); struct acpi_table { __u32 signature; __u32 length; __u8 rev; __u8 checksum; __u8 oem[6]; __u8 oem_table[8]; __u32 oem_rev; __u32 creator; __u32 creator_rev; } __attribute__ ((packed)); struct acpi_facp { struct acpi_table hdr; __u32 facs; __u32 dsdt; __u8 int_model; __u8 reserved; __u16 sci_int; __u32 smi_cmd; __u8 acpi_enable; __u8 acpi_disable; __u8 s4bios_req; __u8 reserved2; __u32 pm1a_evt; __u32 pm1b_evt; __u32 pm1a_cnt; __u32 pm1b_cnt; __u32 pm2_cnt; __u32 pm_tmr; __u32 gpe0; __u32 gpe1; __u8 pm1_evt_len; __u8 pm1_cnt_len; __u8 pm2_cnt_len; __u8 pm_tm_len; __u8 gpe0_len; __u8 gpe1_len; __u8 gpe1_base; __u8 reserved3; __u16 p_lvl2_lat; __u16 p_lvl3_lat; __u16 flush_size; __u16 flush_stride; __u8 duty_offset; __u8 duty_width; __u8 day_alarm; __u8 mon_alarm; __u8 century; __u16 boot_arch; __u8 reserved6; __u32 flags; } __attribute__ ((packed)); struct acpi_facs { __u32 signature; __u32 length; __u32 hw_signature; __u32 fw_wake_vector; __u32 global_lock; __u32 flags; } __attribute__ ((packed)); /* * Sysctl declarations */ enum { CTL_ACPI = 10 }; enum { ACPI_FACP = 1, ACPI_DSDT, ACPI_FACS, ACPI_PM1_ENABLE, ACPI_GPE_ENABLE, ACPI_GPE_LEVEL, ACPI_EVENT, ACPI_P_BLK, ACPI_ENTER_LVL2_LAT, ACPI_ENTER_LVL3_LAT, ACPI_P_LVL2_LAT, ACPI_P_LVL3_LAT, ACPI_C1_TIME, ACPI_C2_TIME, ACPI_C3_TIME, ACPI_S0_SLP_TYP, ACPI_S1_SLP_TYP, ACPI_S5_SLP_TYP, ACPI_SLEEP, }; #define ACPI_SLP_TYP_DISABLED (~0UL) /* * PIIX4-specific ACPI info (for systems with PIIX4 but no ACPI tables) */ #define ACPI_PIIX4_INT_MODEL 0x00 #define ACPI_PIIX4_SCI_INT 0x0009 #define ACPI_PIIX4_SMI_CMD 0x00b2 #define ACPI_PIIX4_ACPI_ENABLE 0xf0 #define ACPI_PIIX4_ACPI_DISABLE 0xf1 #define ACPI_PIIX4_S4BIOS_REQ 0xf2 #define ACPI_PIIX4_PM1_EVT 0x0000 #define ACPI_PIIX4_PM1_CNT 0x0004 #define ACPI_PIIX4_S0_MASK (0x0005 << 10) #define ACPI_PIIX4_S1_MASK (0x0004 << 10) #define ACPI_PIIX4_S2_MASK (0x0003 << 10) #define ACPI_PIIX4_S3_MASK (0x0002 << 10) #define ACPI_PIIX4_S4_MASK (0x0001 << 10) #define ACPI_PIIX4_S5_MASK (0x0000 << 10) #define ACPI_PIIX4_PM_TMR 0x0008 #define ACPI_PIIX4_GPE0 0x000c #define ACPI_PIIX4_P_BLK 0x0010 #define ACPI_PIIX4_PM1_EVT_LEN 0x04 #define ACPI_PIIX4_PM1_CNT_LEN 0x02 #define ACPI_PIIX4_PM_TM_LEN 0x04 #define ACPI_PIIX4_GPE0_LEN 0x04 #define ACPI_PIIX4_PM2_CNT 0x0022 #define ACPI_PIIX4_PM2_CNT_LEN 0x01 #define ACPI_PIIX4_PMREGMISC 0x80 #define ACPI_PIIX4_PMIOSE 0x01 /* * VIA-specific ACPI info (for systems with VT82C586B but no ACPI tables) */ #define ACPI_VIA_INT_MODEL 0x00 #define ACPI_VIA_SMI_CMD 0x002f #define ACPI_VIA_ACPI_ENABLE 0xa1 #define ACPI_VIA_ACPI_DISABLE 0xa0 #define ACPI_VIA_PM1_EVT 0x0000 #define ACPI_VIA_PM1_CNT 0x0004 #define ACPI_VIA_PM_TMR 0x0008 #define ACPI_VIA_GPE0 0x0020 #define ACPI_VIA_P_BLK 0x0010 #define ACPI_VIA_PM1_EVT_LEN 0x04 #define ACPI_VIA_PM1_CNT_LEN 0x02 #define ACPI_VIA_PM_TM_LEN 0x04 #define ACPI_VIA_GPE0_LEN 0x04 #define ACPI_VIA_DUTY_OFFSET 1 #define ACPI_VIA_DUTY_WIDTH 3 #define ACPI_VIA_DAY_ALARM 0x7d #define ACPI_VIA_MON_ALARM 0x7e #define ACPI_VIA_CENTURY 0x7f #endif /* _LINUX_ACPI_H */