diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-01-24 12:56:20 (GMT) |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-02-09 17:08:58 (GMT) |
commit | 0a9b0db19262dbb09f3a34195e68cafd5dc3fa10 (patch) | |
tree | 4fc4cd76617f8899494ae1f2b58aac4afe114490 /arch/sh/boards | |
parent | 2116245ee121af820225834e9695005ab07d1e84 (diff) | |
download | linux-fsl-qoriq-0a9b0db19262dbb09f3a34195e68cafd5dc3fa10.tar.xz |
[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.c | 68 |
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 d146cda..d1c1460 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); |