From f1da2c3860e301527d56a1ef0b56c649ee7c4b1b Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 15 Jul 2000 03:32:22 +0000 Subject: Merge with Linux 2.4.0-test5-pre1. This works again on Origin UP. The IP22 cache bugs which are plaguing some machines are still unfixed. --- drivers/acpi/driver.h | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 drivers/acpi/driver.h (limited to 'drivers/acpi/driver.h') diff --git a/drivers/acpi/driver.h b/drivers/acpi/driver.h new file mode 100644 index 000000000..a26402b40 --- /dev/null +++ b/drivers/acpi/driver.h @@ -0,0 +1,115 @@ +/* + * 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 +#include +#include +#include +#include + +#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 */ -- cgit v1.2.3