diff options
| author | Marcoen Hirschberg <marcoen@gmail.com> | 2006-11-05 07:54:08 +0000 |
|---|---|---|
| committer | Marcoen Hirschberg <marcoen@gmail.com> | 2006-11-05 07:54:08 +0000 |
| commit | bce255d98b90f3345f03ab1639d36ec064862300 (patch) | |
| tree | 9867fa1c06bb495f7a8204da83bc4f978b77eb68 /firmware/target | |
| parent | eda13cedc0f2bb7ca91e44e34e660d123696a401 (diff) | |
implement the gigabeat backlight driver
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11434 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target')
| -rw-r--r-- | firmware/target/arm/gigabeat/meg-fx/backlight-meg-fx.c | 15 | ||||
| -rw-r--r-- | firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.h | 29 |
2 files changed, 40 insertions, 4 deletions
diff --git a/firmware/target/arm/gigabeat/meg-fx/backlight-meg-fx.c b/firmware/target/arm/gigabeat/meg-fx/backlight-meg-fx.c index 8f7c30b5d7..9abf34ccf9 100644 --- a/firmware/target/arm/gigabeat/meg-fx/backlight-meg-fx.c +++ b/firmware/target/arm/gigabeat/meg-fx/backlight-meg-fx.c @@ -21,18 +21,25 @@ #include "system.h" #include "backlight.h" #include "lcd.h" +#include "sc606-meg-fx.h" + +int confval = SC606_LOW_FREQ; void __backlight_on(void) { + confval |= (SC606_LED_A1 | SC606_LED_A2); + sc606_write(SC606_REG_CONF, confval); } void __backlight_off(void) { + confval &= ~(SC606_LED_A1 | SC606_LED_A2); + sc606_write(SC606_REG_CONF, confval); } -void __backlight_set_brightness(int val) +void __backlight_set_brightness(int brightness) { - /* The SC606 LED driver of the gigabeat series - * can set the brightness in 64 steps */ - val &= 0x3F; + /* The SC606 LED driver can set the brightness in 64 steps */ + brightness &= 0x3F; + sc606_write(SC606_REG_A, brightness); } diff --git a/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.h b/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.h new file mode 100644 index 0000000000..2637c067e0 --- /dev/null +++ b/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.h @@ -0,0 +1,29 @@ +#include "config.h" +#include "cpu.h" +#include <stdbool.h> +#include "kernel.h" +#include "system.h" +#include "hwcompat.h" +#include "logf.h" +#include "debug.h" +#include "string.h" + +#define SC606_REG_A 0 +#define SC606_REG_B 1 +#define SC606_REG_C 2 +#define SC606_REG_CONF 3 + +#define SC606_LED_A1 1 << 0 +#define SC606_LED_A2 1 << 1 +#define SC606_LED_B1 1 << 2 +#define SC606_LED_B2 1 << 3 +#define SC606_LED_C1 1 << 4 +#define SC606_LED_C2 1 << 5 + +#define SC606_LOW_FREQ 1 << 6 + +int sc606_write(unsigned char reg, unsigned char data); + +int sc606_read(unsigned char reg, unsigned char* data); + +void sc606_init(void); |