aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2007-01-24 21:56:20 +0900
committerRalf Baechle <ralf@linux-mips.org>2007-02-09 17:08:58 +0000
commit0a9b0db19262dbb09f3a34195e68cafd5dc3fa10 (patch)
tree4fc4cd76617f8899494ae1f2b58aac4afe114490 /arch/sh/boards
parent2116245ee121af820225834e9695005ab07d1e84 (diff)
downloadlinux-2.6.34-ux500-0a9b0db19262dbb09f3a34195e68cafd5dc3fa10.tar.gz
[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>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/hp6xx/hp6xx_apm.c68
1 files changed, 24 insertions, 44 deletions
diff --git a/arch/sh/boards/hp6xx/hp6xx_apm.c b/arch/sh/boards/hp6xx/hp6xx_apm.c
index d146cdaa0b8..d1c1460c8a0 100644
--- a/arch/sh/boards/hp6xx/hp6xx_apm.c
+++ b/arch/sh/boards/hp6xx/hp6xx_apm.c
@@ -7,12 +7,11 @@
* modify it under the terms of the GNU General Public License.
*/
#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 <linux/apm-emulation.h>
+#include <linux/io.h>
#include <asm/adc.h>
#include <asm/hp6xx.h>
@@ -27,60 +26,41 @@
#define MODNAME "hp6x0_apm"
-static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length)
+static void hp6x0_apm_get_power_status(struct apm_power_info *info)
{
+ int battery, backup, charging, percentage;
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;
+ battery = adc_single(ADC_CHANNEL_BATTERY);
+ backup = adc_single(ADC_CHANNEL_BACKUP);
+ charging = adc_single(ADC_CHANNEL_CHARGE);
percentage = 100 * (battery - HP680_BATTERY_MIN) /
(HP680_BATTERY_MAX - HP680_BATTERY_MIN);
- ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
+ info->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;
+ info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
+ info->battery_flag = 0x80;
+ } else if (charging < 8) {
+ info->battery_status = APM_BATTERY_STATUS_CHARGING;
+ info->battery_flag = 0x08;
+ info->ac_line_status = 0xff;
} else if (percentage <= APM_CRITICAL) {
- battery_status = APM_BATTERY_STATUS_CRITICAL;
- battery_flag = 0x04;
+ info->battery_status = APM_BATTERY_STATUS_CRITICAL;
+ info->battery_flag = 0x04;
} else if (percentage <= APM_LOW) {
- battery_status = APM_BATTERY_STATUS_LOW;
- battery_flag = 0x02;
+ info->battery_status = APM_BATTERY_STATUS_LOW;
+ info->battery_flag = 0x02;
} else {
- battery_status = APM_BATTERY_STATUS_HIGH;
- battery_flag = 0x01;
+ info->battery_status = APM_BATTERY_STATUS_HIGH;
+ info->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;
+ info->units = 0;
}
static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev)
@@ -96,14 +76,14 @@ static int __init hp6x0_apm_init(void)
int ret;
ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
- IRQF_DISABLED, MODNAME, 0);
+ IRQF_DISABLED, MODNAME, NULL);
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;
+ apm_get_power_status = hp6x0_apm_get_power_status;
return ret;
}
@@ -111,7 +91,7 @@ static int __init hp6x0_apm_init(void)
static void __exit hp6x0_apm_exit(void)
{
free_irq(HP680_BTN_IRQ, 0);
- apm_get_info = 0;
+ apm_get_info = NULL;
}
module_init(hp6x0_apm_init);