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Diffstat (limited to 'arch/sh/boards/hp6xx/hp6xx_apm.c')
-rw-r--r--arch/sh/boards/hp6xx/hp6xx_apm.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/sh/boards/hp6xx/hp6xx_apm.c b/arch/sh/boards/hp6xx/hp6xx_apm.c
deleted file mode 100644
index ad0e712c29f..00000000000
--- a/arch/sh/boards/hp6xx/hp6xx_apm.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * bios-less APM driver for hp680
- *
- * Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License.
- */
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/apm_bios.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/io.h>
-#include <asm/apm.h>
-#include <asm/adc.h>
-#include <asm/hp6xx/hp6xx.h>
-
-#define SH7709_PGDR 0xa400012c
-
-#define APM_CRITICAL 10
-#define APM_LOW 30
-
-#define HP680_BATTERY_MAX 875
-#define HP680_BATTERY_MIN 600
-#define HP680_BATTERY_AC_ON 900
-
-#define MODNAME "hp6x0_apm"
-
-static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length)
-{
- u8 pgdr;
- char *p;
- int battery_status;
- int battery_flag;
- int ac_line_status;
- int time_units = APM_BATTERY_LIFE_UNKNOWN;
-
- int battery = adc_single(ADC_CHANNEL_BATTERY);
- int backup = adc_single(ADC_CHANNEL_BACKUP);
- int charging = adc_single(ADC_CHANNEL_CHARGE);
- int percentage;
-
- percentage = 100 * (battery - HP680_BATTERY_MIN) /
- (HP680_BATTERY_MAX - HP680_BATTERY_MIN);
-
- ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
- APM_AC_ONLINE : APM_AC_OFFLINE;
-
- p = buf;
-
- pgdr = ctrl_inb(SH7709_PGDR);
- if (pgdr & PGDR_MAIN_BATTERY_OUT) {
- battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
- battery_flag = 0x80;
- percentage = -1;
- } else if (charging < 8 ) {
- battery_status = APM_BATTERY_STATUS_CHARGING;
- battery_flag = 0x08;
- ac_line_status = 0xff;
- } else if (percentage <= APM_CRITICAL) {
- battery_status = APM_BATTERY_STATUS_CRITICAL;
- battery_flag = 0x04;
- } else if (percentage <= APM_LOW) {
- battery_status = APM_BATTERY_STATUS_LOW;
- battery_flag = 0x02;
- } else {
- battery_status = APM_BATTERY_STATUS_HIGH;
- battery_flag = 0x01;
- }
-
- p += sprintf(p, "1.0 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n",
- APM_32_BIT_SUPPORT,
- ac_line_status,
- battery_status,
- battery_flag,
- percentage,
- time_units,
- "min");
- p += sprintf(p, "bat=%d backup=%d charge=%d\n",
- battery, backup, charging);
-
- return p - buf;
-}
-
-static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev, struct pt_regs *regs)
-{
- if (!apm_suspended)
- apm_queue_event(APM_USER_SUSPEND);
-
- return IRQ_HANDLED;
-}
-
-static int __init hp6x0_apm_init(void)
-{
- int ret;
-
- ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
- SA_INTERRUPT, MODNAME, 0);
- if (unlikely(ret < 0)) {
- printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
- HP680_BTN_IRQ);
- return ret;
- }
-
- apm_get_info = hp6x0_apm_get_info;
-
- return ret;
-}
-
-static void __exit hp6x0_apm_exit(void)
-{
- free_irq(HP680_BTN_IRQ, 0);
- apm_get_info = 0;
-}
-
-module_init(hp6x0_apm_init);
-module_exit(hp6x0_apm_exit);
-
-MODULE_AUTHOR("Adriy Skulysh");
-MODULE_DESCRIPTION("hp6xx Advanced Power Management");
-MODULE_LICENSE("GPL");