From ef12b3b5c678e4fa44d60061b0c1bc312e589ba1 Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Mon, 12 Nov 2007 18:49:53 +0000 Subject: Hardware controlled backlight brightness for iPod Video and Nano, retaining the software PWM fade in/ fade out. * Backlight handling cleanup, getting rid of one layer of 'lowlevelness'. * Use atomic GPIO bit manipulation for PP502x backlight handling. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15599 a1c6a512-1295-4272-9138-f99709370657 --- firmware/export/backlight.h | 9 +++++++++ firmware/export/config-ipodnano.h | 6 ++++++ firmware/export/config-ipodvideo.h | 6 ++++++ 3 files changed, 21 insertions(+) (limited to 'firmware/export') diff --git a/firmware/export/backlight.h b/firmware/export/backlight.h index 8df45990fd..47fee7d59e 100644 --- a/firmware/export/backlight.h +++ b/firmware/export/backlight.h @@ -85,4 +85,13 @@ void buttonlight_off(void); void buttonlight_set_timeout(int index); #endif +/* Private API for use in target tree backlight code only */ +#ifdef HAVE_BUTTON_LIGHT +extern int _buttonlight_timeout; +#endif +#ifdef HAVE_LCD_SLEEP +extern int _lcd_sleep_timer; +extern int _lcd_sleep_timeout; +#endif + #endif /* BACKLIGHT_H */ diff --git a/firmware/export/config-ipodnano.h b/firmware/export/config-ipodnano.h index 4fcb8f69dc..69095614dc 100644 --- a/firmware/export/config-ipodnano.h +++ b/firmware/export/config-ipodnano.h @@ -72,6 +72,12 @@ /* Define this for LCD backlight available */ #define HAVE_BACKLIGHT +#define HAVE_BACKLIGHT_BRIGHTNESS + +/* Main LCD backlight brightness range and defaults */ +#define MIN_BRIGHTNESS_SETTING 1 +#define MAX_BRIGHTNESS_SETTING 32 +#define DEFAULT_BRIGHTNESS_SETTING 16 /* We can fade the backlight by using PWM */ #define HAVE_BACKLIGHT_PWM_FADING diff --git a/firmware/export/config-ipodvideo.h b/firmware/export/config-ipodvideo.h index eecb65c809..60a5dd8f6f 100644 --- a/firmware/export/config-ipodvideo.h +++ b/firmware/export/config-ipodvideo.h @@ -72,6 +72,12 @@ /* Define this for LCD backlight available */ #define HAVE_BACKLIGHT +#define HAVE_BACKLIGHT_BRIGHTNESS + +/* Main LCD backlight brightness range and defaults */ +#define MIN_BRIGHTNESS_SETTING 1 +#define MAX_BRIGHTNESS_SETTING 32 +#define DEFAULT_BRIGHTNESS_SETTING 16 /* We can fade the backlight by using PWM */ #define HAVE_BACKLIGHT_PWM_FADING -- cgit v1.2.3