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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /* * driver.h - ACPI driver * * Copyright (C) 2000 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 __DRIVER_H #define __DRIVER_H #include <linux/tqueue.h> #include <linux/wait.h> #include <linux/pm.h> #include <linux/acpi.h> #include <asm/io.h> #define ACPI_MAX_THROTTLE 10 #define ACPI_INVALID ~0UL #define ACPI_INFINITE ~0UL /* * cpu.c */ int acpi_cpu_init(void); extern unsigned long acpi_c2_exit_latency; extern unsigned long acpi_c3_exit_latency; extern unsigned long acpi_c2_enter_latency; extern unsigned long acpi_c3_enter_latency; /* * driver.c */ int acpi_run(void (*callback)(void*), void *context); /* * ec.c */ int acpi_ec_init(void); int acpi_ec_read(int addr, int *value); int acpi_ec_write(int addr, int value); /* * sys.c */ int acpi_sys_init(void); int acpi_enter_sx(acpi_sstate_t state); extern volatile acpi_sstate_t acpi_sleep_state; /* * tables.c */ extern struct acpi_facp acpi_facp; int acpi_load_tables(void); /* * access ACPI registers */ extern inline u32 acpi_read_pm1_control(struct acpi_facp *facp) { u32 value = 0; if (facp->pm1a_cnt) value = inw(facp->pm1a_cnt); if (facp->pm1b_cnt) value |= inw(facp->pm1b_cnt); return value; } extern inline void acpi_write_pm1_control(struct acpi_facp *facp, u32 value) { if (facp->pm1a_cnt) outw(value, facp->pm1a_cnt); if (facp->pm1b_cnt) outw(value, facp->pm1b_cnt); } extern inline u32 acpi_read_pm1_status(struct acpi_facp *facp) { u32 value = 0; if (facp->pm1a_evt) value = inw(facp->pm1a_evt); if (facp->pm1b_evt) value |= inw(facp->pm1b_evt); return value; } extern inline void acpi_write_pm1_status(struct acpi_facp *facp, u32 value) { if (facp->pm1a_evt) outw(value, facp->pm1a_evt); if (facp->pm1b_evt) outw(value, facp->pm1b_evt); } #endif /* __DRIVER_H */ |