[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>

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 d146cdaa0b8b..d1c1460c8a06 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);