Merge branch 'for-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/ieee1394...
[pandora-kernel.git] / arch / sh / boards / hp6xx / hp6xx_apm.c
index d146cda..d1c1460 100644 (file)
@@ -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>
 
 
 #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);