[APM] SH: Convert to use shared APM emulation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Mundt
Ralf Baechle
parent
2116245ee1
commit
0a9b0db192
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@ -48,6 +48,9 @@ config GENERIC_IOMAP
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config GENERIC_TIME
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def_bool n
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config SYS_SUPPORTS_APM_EMULATION
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bool
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config ARCH_MAY_HAVE_PC_FDC
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bool
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@ -126,6 +129,7 @@ config SH_7751_SYSTEMH
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config SH_HP6XX
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bool "HP6XX"
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select SYS_SUPPORTS_APM_EMULATION
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help
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Select HP6XX if configuring for a HP jornada HP6xx.
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More information (hardware only) at
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@ -694,9 +698,6 @@ depends on EXPERIMENTAL
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source kernel/power/Kconfig
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config APM
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bool "Advanced Power Management Emulation"
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depends on PM
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endmenu
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source "net/Kconfig"
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@ -7,12 +7,11 @@
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* modify it under the terms of the GNU General Public License.
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*/
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#include <linux/module.h>
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#include <linux/apm_bios.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <asm/io.h>
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#include <asm/apm.h>
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#include <linux/apm-emulation.h>
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#include <linux/io.h>
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#include <asm/adc.h>
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#include <asm/hp6xx.h>
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@ -27,60 +26,41 @@
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#define MODNAME "hp6x0_apm"
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static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length)
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static void hp6x0_apm_get_power_status(struct apm_power_info *info)
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{
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int battery, backup, charging, percentage;
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u8 pgdr;
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char *p;
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int battery_status;
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int battery_flag;
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int ac_line_status;
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int time_units = APM_BATTERY_LIFE_UNKNOWN;
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int battery = adc_single(ADC_CHANNEL_BATTERY);
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int backup = adc_single(ADC_CHANNEL_BACKUP);
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int charging = adc_single(ADC_CHANNEL_CHARGE);
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int percentage;
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battery = adc_single(ADC_CHANNEL_BATTERY);
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backup = adc_single(ADC_CHANNEL_BACKUP);
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charging = adc_single(ADC_CHANNEL_CHARGE);
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percentage = 100 * (battery - HP680_BATTERY_MIN) /
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(HP680_BATTERY_MAX - HP680_BATTERY_MIN);
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ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
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info->ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
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APM_AC_ONLINE : APM_AC_OFFLINE;
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p = buf;
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pgdr = ctrl_inb(SH7709_PGDR);
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if (pgdr & PGDR_MAIN_BATTERY_OUT) {
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battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
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battery_flag = 0x80;
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percentage = -1;
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} else if (charging < 8 ) {
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battery_status = APM_BATTERY_STATUS_CHARGING;
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battery_flag = 0x08;
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ac_line_status = 0xff;
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info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
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info->battery_flag = 0x80;
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} else if (charging < 8) {
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info->battery_status = APM_BATTERY_STATUS_CHARGING;
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info->battery_flag = 0x08;
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info->ac_line_status = 0xff;
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} else if (percentage <= APM_CRITICAL) {
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battery_status = APM_BATTERY_STATUS_CRITICAL;
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battery_flag = 0x04;
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info->battery_status = APM_BATTERY_STATUS_CRITICAL;
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info->battery_flag = 0x04;
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} else if (percentage <= APM_LOW) {
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battery_status = APM_BATTERY_STATUS_LOW;
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battery_flag = 0x02;
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info->battery_status = APM_BATTERY_STATUS_LOW;
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info->battery_flag = 0x02;
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} else {
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battery_status = APM_BATTERY_STATUS_HIGH;
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battery_flag = 0x01;
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info->battery_status = APM_BATTERY_STATUS_HIGH;
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info->battery_flag = 0x01;
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}
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p += sprintf(p, "1.0 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n",
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APM_32_BIT_SUPPORT,
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ac_line_status,
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battery_status,
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battery_flag,
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percentage,
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time_units,
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"min");
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p += sprintf(p, "bat=%d backup=%d charge=%d\n",
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battery, backup, charging);
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return p - buf;
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info->units = 0;
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}
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static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev)
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@ -96,14 +76,14 @@ static int __init hp6x0_apm_init(void)
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int ret;
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ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
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IRQF_DISABLED, MODNAME, 0);
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IRQF_DISABLED, MODNAME, NULL);
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if (unlikely(ret < 0)) {
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printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
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HP680_BTN_IRQ);
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return ret;
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}
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apm_get_info = hp6x0_apm_get_info;
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apm_get_power_status = hp6x0_apm_get_power_status;
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return ret;
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}
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@ -111,7 +91,7 @@ static int __init hp6x0_apm_init(void)
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static void __exit hp6x0_apm_exit(void)
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{
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free_irq(HP680_BTN_IRQ, 0);
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apm_get_info = 0;
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apm_get_info = NULL;
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}
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module_init(hp6x0_apm_init);
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@ -19,6 +19,5 @@ obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
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obj-$(CONFIG_APM) += apm.o
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obj-$(CONFIG_PM) += pm.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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@ -1,538 +0,0 @@
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/*
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* bios-less APM driver for hp680
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*
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* Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com>
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*
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* based on ARM APM driver by
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* Jamey Hicks <jamey@crl.dec.com>
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*
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* adapted from the APM BIOS driver for Linux by
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* Stephen Rothwell (sfr@linuxcare.com)
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*
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* APM 1.2 Reference:
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* Intel Corporation, Microsoft Corporation. Advanced Power Management
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* (APM) BIOS Interface Specification, Revision 1.2, February 1996.
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*
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* [This document is available from Microsoft at:
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* http://www.microsoft.com/hwdev/busbios/amp_12.htm]
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*/
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#include <linux/module.h>
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#include <linux/poll.h>
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#include <linux/timer.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/miscdevice.h>
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#include <linux/apm_bios.h>
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#include <linux/pm.h>
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#include <linux/pm_legacy.h>
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#include <asm/apm.h>
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#define MODNAME "apm"
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/*
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* The apm_bios device is one of the misc char devices.
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* This is its minor number.
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*/
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#define APM_MINOR_DEV 134
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/*
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* Maximum number of events stored
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*/
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#define APM_MAX_EVENTS 16
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struct apm_queue {
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unsigned int event_head;
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unsigned int event_tail;
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apm_event_t events[APM_MAX_EVENTS];
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};
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/*
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* The per-file APM data
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*/
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struct apm_user {
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struct list_head list;
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unsigned int suser: 1;
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unsigned int writer: 1;
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unsigned int reader: 1;
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int suspend_result;
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unsigned int suspend_state;
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#define SUSPEND_NONE 0 /* no suspend pending */
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#define SUSPEND_PENDING 1 /* suspend pending read */
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#define SUSPEND_READ 2 /* suspend read, pending ack */
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#define SUSPEND_ACKED 3 /* suspend acked */
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#define SUSPEND_DONE 4 /* suspend completed */
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struct apm_queue queue;
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};
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/*
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* Local variables
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*/
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static int suspends_pending;
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static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue);
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static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue);
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/*
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* This is a list of everyone who has opened /dev/apm_bios
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*/
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static DECLARE_RWSEM(user_list_lock);
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static LIST_HEAD(apm_user_list);
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/*
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* kapmd info. kapmd provides us a process context to handle
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* "APM" events within - specifically necessary if we're going
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* to be suspending the system.
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*/
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static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait);
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static DECLARE_COMPLETION(kapmd_exit);
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static DEFINE_SPINLOCK(kapmd_queue_lock);
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static struct apm_queue kapmd_queue;
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int apm_suspended;
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EXPORT_SYMBOL(apm_suspended);
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/* Platform-specific apm_read_proc(). */
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int (*apm_get_info)(char *buf, char **start, off_t fpos, int length);
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EXPORT_SYMBOL(apm_get_info);
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/*
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* APM event queue management.
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*/
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static inline int queue_empty(struct apm_queue *q)
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{
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return q->event_head == q->event_tail;
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}
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static inline apm_event_t queue_get_event(struct apm_queue *q)
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{
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q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS;
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return q->events[q->event_tail];
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}
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static void queue_add_event(struct apm_queue *q, apm_event_t event)
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{
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q->event_head = (q->event_head + 1) % APM_MAX_EVENTS;
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if (q->event_head == q->event_tail) {
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static int notified;
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if (notified++ == 0)
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printk(KERN_ERR "apm: an event queue overflowed\n");
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q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS;
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}
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q->events[q->event_head] = event;
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}
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static void queue_event_one_user(struct apm_user *as, apm_event_t event)
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{
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if (as->suser && as->writer) {
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switch (event) {
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case APM_SYS_SUSPEND:
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case APM_USER_SUSPEND:
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/*
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* If this user already has a suspend pending,
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* don't queue another one.
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*/
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if (as->suspend_state != SUSPEND_NONE)
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return;
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as->suspend_state = SUSPEND_PENDING;
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suspends_pending++;
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break;
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}
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}
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queue_add_event(&as->queue, event);
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}
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static void queue_event(apm_event_t event, struct apm_user *sender)
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{
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struct apm_user *as;
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down_read(&user_list_lock);
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list_for_each_entry(as, &apm_user_list, list)
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if (as != sender && as->reader)
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queue_event_one_user(as, event);
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up_read(&user_list_lock);
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wake_up_interruptible(&apm_waitqueue);
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}
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/**
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* apm_queue_event - queue an APM event for kapmd
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* @event: APM event
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*
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* Queue an APM event for kapmd to process and ultimately take the
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* appropriate action. Only a subset of events are handled:
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* %APM_LOW_BATTERY
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* %APM_POWER_STATUS_CHANGE
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* %APM_USER_SUSPEND
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* %APM_SYS_SUSPEND
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* %APM_CRITICAL_SUSPEND
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*/
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void apm_queue_event(apm_event_t event)
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{
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spin_lock_irq(&kapmd_queue_lock);
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queue_add_event(&kapmd_queue, event);
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spin_unlock_irq(&kapmd_queue_lock);
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wake_up_interruptible(&kapmd_wait);
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}
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EXPORT_SYMBOL(apm_queue_event);
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static void apm_suspend(void)
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{
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struct apm_user *as;
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int err;
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apm_suspended = 1;
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err = pm_suspend(PM_SUSPEND_MEM);
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/*
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* Anyone on the APM queues will think we're still suspended.
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* Send a message so everyone knows we're now awake again.
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*/
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queue_event(APM_NORMAL_RESUME, NULL);
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/*
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* Finally, wake up anyone who is sleeping on the suspend.
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*/
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down_read(&user_list_lock);
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list_for_each_entry(as, &apm_user_list, list) {
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as->suspend_result = err;
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as->suspend_state = SUSPEND_DONE;
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}
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up_read(&user_list_lock);
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wake_up(&apm_suspend_waitqueue);
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apm_suspended = 0;
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}
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static ssize_t apm_read(struct file *fp, char __user *buf,
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size_t count, loff_t *ppos)
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{
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struct apm_user *as = fp->private_data;
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apm_event_t event;
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int i = count, ret = 0;
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if (count < sizeof(apm_event_t))
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return -EINVAL;
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if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK)
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return -EAGAIN;
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wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue));
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while ((i >= sizeof(event)) && !queue_empty(&as->queue)) {
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event = queue_get_event(&as->queue);
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ret = -EFAULT;
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if (copy_to_user(buf, &event, sizeof(event)))
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break;
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if (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND)
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as->suspend_state = SUSPEND_READ;
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buf += sizeof(event);
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i -= sizeof(event);
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}
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if (i < count)
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ret = count - i;
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return ret;
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}
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static unsigned int apm_poll(struct file *fp, poll_table * wait)
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{
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struct apm_user *as = fp->private_data;
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poll_wait(fp, &apm_waitqueue, wait);
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return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM;
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}
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/*
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* apm_ioctl - handle APM ioctl
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*
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* APM_IOC_SUSPEND
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* This IOCTL is overloaded, and performs two functions. It is used to:
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* - initiate a suspend
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* - acknowledge a suspend read from /dev/apm_bios.
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* Only when everyone who has opened /dev/apm_bios with write permission
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* has acknowledge does the actual suspend happen.
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*/
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static int
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apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
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{
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struct apm_user *as = filp->private_data;
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unsigned long flags;
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int err = -EINVAL;
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if (!as->suser || !as->writer)
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return -EPERM;
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switch (cmd) {
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case APM_IOC_SUSPEND:
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as->suspend_result = -EINTR;
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if (as->suspend_state == SUSPEND_READ) {
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/*
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* If we read a suspend command from /dev/apm_bios,
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* then the corresponding APM_IOC_SUSPEND ioctl is
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* interpreted as an acknowledge.
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*/
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as->suspend_state = SUSPEND_ACKED;
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suspends_pending--;
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} else {
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/*
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* Otherwise it is a request to suspend the system.
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* Queue an event for all readers, and expect an
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* acknowledge from all writers who haven't already
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* acknowledged.
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*/
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queue_event(APM_USER_SUSPEND, as);
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}
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/*
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* If there are no further acknowledges required, suspend
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* the system.
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*/
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if (suspends_pending == 0)
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apm_suspend();
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/*
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* Wait for the suspend/resume to complete. If there are
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* pending acknowledges, we wait here for them.
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*
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* Note that we need to ensure that the PM subsystem does
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||||
* not kick us out of the wait when it suspends the threads.
|
||||
*/
|
||||
flags = current->flags;
|
||||
current->flags |= PF_NOFREEZE;
|
||||
|
||||
/*
|
||||
* Note: do not allow a thread which is acking the suspend
|
||||
* to escape until the resume is complete.
|
||||
*/
|
||||
if (as->suspend_state == SUSPEND_ACKED)
|
||||
wait_event(apm_suspend_waitqueue,
|
||||
as->suspend_state == SUSPEND_DONE);
|
||||
else
|
||||
wait_event_interruptible(apm_suspend_waitqueue,
|
||||
as->suspend_state == SUSPEND_DONE);
|
||||
|
||||
current->flags = flags;
|
||||
err = as->suspend_result;
|
||||
as->suspend_state = SUSPEND_NONE;
|
||||
break;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int apm_release(struct inode * inode, struct file * filp)
|
||||
{
|
||||
struct apm_user *as = filp->private_data;
|
||||
filp->private_data = NULL;
|
||||
|
||||
down_write(&user_list_lock);
|
||||
list_del(&as->list);
|
||||
up_write(&user_list_lock);
|
||||
|
||||
/*
|
||||
* We are now unhooked from the chain. As far as new
|
||||
* events are concerned, we no longer exist. However, we
|
||||
* need to balance suspends_pending, which means the
|
||||
* possibility of sleeping.
|
||||
*/
|
||||
if (as->suspend_state != SUSPEND_NONE) {
|
||||
suspends_pending -= 1;
|
||||
if (suspends_pending == 0)
|
||||
apm_suspend();
|
||||
}
|
||||
|
||||
kfree(as);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int apm_open(struct inode * inode, struct file * filp)
|
||||
{
|
||||
struct apm_user *as;
|
||||
|
||||
as = kzalloc(sizeof(*as), GFP_KERNEL);
|
||||
if (as) {
|
||||
/*
|
||||
* XXX - this is a tiny bit broken, when we consider BSD
|
||||
* process accounting. If the device is opened by root, we
|
||||
* instantly flag that we used superuser privs. Who knows,
|
||||
* we might close the device immediately without doing a
|
||||
* privileged operation -- cevans
|
||||
*/
|
||||
as->suser = capable(CAP_SYS_ADMIN);
|
||||
as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE;
|
||||
as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ;
|
||||
|
||||
down_write(&user_list_lock);
|
||||
list_add(&as->list, &apm_user_list);
|
||||
up_write(&user_list_lock);
|
||||
|
||||
filp->private_data = as;
|
||||
}
|
||||
|
||||
return as ? 0 : -ENOMEM;
|
||||
}
|
||||
|
||||
static struct file_operations apm_bios_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.read = apm_read,
|
||||
.poll = apm_poll,
|
||||
.ioctl = apm_ioctl,
|
||||
.open = apm_open,
|
||||
.release = apm_release,
|
||||
};
|
||||
|
||||
static struct miscdevice apm_device = {
|
||||
.minor = APM_MINOR_DEV,
|
||||
.name = "apm_bios",
|
||||
.fops = &apm_bios_fops
|
||||
};
|
||||
|
||||
|
||||
#ifdef CONFIG_PROC_FS
|
||||
/*
|
||||
* Arguments, with symbols from linux/apm_bios.h.
|
||||
*
|
||||
* 0) Linux driver version (this will change if format changes)
|
||||
* 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2.
|
||||
* 2) APM flags from APM Installation Check (0x00):
|
||||
* bit 0: APM_16_BIT_SUPPORT
|
||||
* bit 1: APM_32_BIT_SUPPORT
|
||||
* bit 2: APM_IDLE_SLOWS_CLOCK
|
||||
* bit 3: APM_BIOS_DISABLED
|
||||
* bit 4: APM_BIOS_DISENGAGED
|
||||
* 3) AC line status
|
||||
* 0x00: Off-line
|
||||
* 0x01: On-line
|
||||
* 0x02: On backup power (BIOS >= 1.1 only)
|
||||
* 0xff: Unknown
|
||||
* 4) Battery status
|
||||
* 0x00: High
|
||||
* 0x01: Low
|
||||
* 0x02: Critical
|
||||
* 0x03: Charging
|
||||
* 0x04: Selected battery not present (BIOS >= 1.2 only)
|
||||
* 0xff: Unknown
|
||||
* 5) Battery flag
|
||||
* bit 0: High
|
||||
* bit 1: Low
|
||||
* bit 2: Critical
|
||||
* bit 3: Charging
|
||||
* bit 7: No system battery
|
||||
* 0xff: Unknown
|
||||
* 6) Remaining battery life (percentage of charge):
|
||||
* 0-100: valid
|
||||
* -1: Unknown
|
||||
* 7) Remaining battery life (time units):
|
||||
* Number of remaining minutes or seconds
|
||||
* -1: Unknown
|
||||
* 8) min = minutes; sec = seconds
|
||||
*/
|
||||
static int apm_read_proc(char *buf, char **start, off_t fpos, int length)
|
||||
{
|
||||
if (likely(apm_get_info))
|
||||
return apm_get_info(buf, start, fpos, length);
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
#endif
|
||||
|
||||
static int kapmd(void *arg)
|
||||
{
|
||||
daemonize("kapmd");
|
||||
current->flags |= PF_NOFREEZE;
|
||||
|
||||
do {
|
||||
apm_event_t event;
|
||||
|
||||
wait_event_interruptible(kapmd_wait,
|
||||
!queue_empty(&kapmd_queue) || !pm_active);
|
||||
|
||||
if (!pm_active)
|
||||
break;
|
||||
|
||||
spin_lock_irq(&kapmd_queue_lock);
|
||||
event = 0;
|
||||
if (!queue_empty(&kapmd_queue))
|
||||
event = queue_get_event(&kapmd_queue);
|
||||
spin_unlock_irq(&kapmd_queue_lock);
|
||||
|
||||
switch (event) {
|
||||
case 0:
|
||||
break;
|
||||
|
||||
case APM_LOW_BATTERY:
|
||||
case APM_POWER_STATUS_CHANGE:
|
||||
queue_event(event, NULL);
|
||||
break;
|
||||
|
||||
case APM_USER_SUSPEND:
|
||||
case APM_SYS_SUSPEND:
|
||||
queue_event(event, NULL);
|
||||
if (suspends_pending == 0)
|
||||
apm_suspend();
|
||||
break;
|
||||
|
||||
case APM_CRITICAL_SUSPEND:
|
||||
apm_suspend();
|
||||
break;
|
||||
}
|
||||
} while (1);
|
||||
|
||||
complete_and_exit(&kapmd_exit, 0);
|
||||
}
|
||||
|
||||
static int __init apm_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
pm_active = 1;
|
||||
|
||||
ret = kernel_thread(kapmd, NULL, CLONE_KERNEL);
|
||||
if (unlikely(ret < 0)) {
|
||||
pm_active = 0;
|
||||
return ret;
|
||||
}
|
||||
|
||||
create_proc_info_entry("apm", 0, NULL, apm_read_proc);
|
||||
|
||||
ret = misc_register(&apm_device);
|
||||
if (unlikely(ret != 0)) {
|
||||
remove_proc_entry("apm", NULL);
|
||||
|
||||
pm_active = 0;
|
||||
wake_up(&kapmd_wait);
|
||||
wait_for_completion(&kapmd_exit);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void __exit apm_exit(void)
|
||||
{
|
||||
misc_deregister(&apm_device);
|
||||
remove_proc_entry("apm", NULL);
|
||||
|
||||
pm_active = 0;
|
||||
wake_up(&kapmd_wait);
|
||||
wait_for_completion(&kapmd_exit);
|
||||
}
|
||||
|
||||
module_init(apm_init);
|
||||
module_exit(apm_exit);
|
||||
|
||||
MODULE_AUTHOR("Stephen Rothwell, Andriy Skulysh");
|
||||
MODULE_DESCRIPTION("Advanced Power Management");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
/*
|
||||
* Copyright 2006 (c) Andriy Skulysh <askulysh@gmail.com>
|
||||
*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __ASM_SH_APM_H
|
||||
#define __ASM_SH_APM_H
|
||||
|
||||
#define APM_AC_OFFLINE 0
|
||||
#define APM_AC_ONLINE 1
|
||||
#define APM_AC_BACKUP 2
|
||||
#define APM_AC_UNKNOWN 0xff
|
||||
|
||||
#define APM_BATTERY_STATUS_HIGH 0
|
||||
#define APM_BATTERY_STATUS_LOW 1
|
||||
#define APM_BATTERY_STATUS_CRITICAL 2
|
||||
#define APM_BATTERY_STATUS_CHARGING 3
|
||||
#define APM_BATTERY_STATUS_NOT_PRESENT 4
|
||||
#define APM_BATTERY_STATUS_UNKNOWN 0xff
|
||||
|
||||
#define APM_BATTERY_LIFE_UNKNOWN 0xFFFF
|
||||
#define APM_BATTERY_LIFE_MINUTES 0x8000
|
||||
#define APM_BATTERY_LIFE_VALUE_MASK 0x7FFF
|
||||
|
||||
#define APM_BATTERY_FLAG_HIGH (1 << 0)
|
||||
#define APM_BATTERY_FLAG_LOW (1 << 1)
|
||||
#define APM_BATTERY_FLAG_CRITICAL (1 << 2)
|
||||
#define APM_BATTERY_FLAG_CHARGING (1 << 3)
|
||||
#define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7)
|
||||
#define APM_BATTERY_FLAG_UNKNOWN 0xff
|
||||
|
||||
#define APM_UNITS_MINS 0
|
||||
#define APM_UNITS_SECS 1
|
||||
#define APM_UNITS_UNKNOWN -1
|
||||
|
||||
|
||||
extern int (*apm_get_info)(char *buf, char **start, off_t fpos, int length);
|
||||
extern int apm_suspended;
|
||||
|
||||
void apm_queue_event(apm_event_t event);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue