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Ported to iRiver H100

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5209 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2004-10-07 08:38:51 +00:00
parent 74c445c0fd
commit eb5463d158
1 changed files with 39 additions and 23 deletions
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62
firmware/backlight.c
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@ -18,7 +18,7 @@
****************************************************************************/
#include "config.h"
#include <stdlib.h>
#include "sh7034.h"
#include "cpu.h"
#include "kernel.h"
#include "thread.h"
#include "i2c.h"
@ -49,6 +49,35 @@ static bool backlight_on_when_charging = 0;
static int backlight_timer;
static unsigned int backlight_timeout = 5;
static void __backlight_off(void)
{
#ifdef IRIVER_H100
GPIO1_OUT &= ~0x00020000;
#else
#ifdef HAVE_RTC
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
#endif
}
static void __backlight_on(void)
{
#ifdef IRIVER_H100
GPIO1_OUT |= 0x00020000;
#else
#ifdef HAVE_RTC
/* Enable square wave */
rtc_write(0x0a, rtc_read(0x0a) | 0x40);
#else
and_b(~0x40, &PADRH);
or_b(0x40, &PAIORH);
#endif
#endif
}
void backlight_thread(void)
{
struct event ev;
@ -69,36 +98,19 @@ void backlight_thread(void)
backlight_timer = HZ*backlight_timeout_value[backlight_timeout];
}
if(backlight_timer < 0)
if(backlight_timer < 0) /* Backlight == OFF in the setting? */
{
backlight_timer = 0; /* timer value 0 will not get ticked */
#ifdef HAVE_RTC
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
backlight_timer = 0; /* Disable the timeout */
__backlight_off();
}
/* else if(backlight_timer) */
else
{
#ifdef HAVE_RTC
/* Enable square wave */
rtc_write(0x0a, rtc_read(0x0a) | 0x40);
#else
and_b(~0x40, &PADRH);
or_b(0x40, &PAIORH);
#endif
__backlight_on();
}
break;
case BACKLIGHT_OFF:
#ifdef HAVE_RTC
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
__backlight_off();
break;
case SYS_USB_CONNECTED:
@ -175,6 +187,10 @@ void backlight_init(void)
create_thread(backlight_thread, backlight_stack,
sizeof(backlight_stack), backlight_thread_name);
#ifdef IRIVER_H100
GPIO1_ENABLE |= 0x00020000;
GPIO1_FUNCTION |= 0x00020000;
#endif
backlight_on();
}