backlight driver for Gmini

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5795 a1c6a512-1295-4272-9138-f99709370657

firmware/backlight.c

@@ -60,6 +60,8 @@ static void __backlight_off(void)
     and_b(~0x40, &PAIORH); /* let it float (up) */
 #elif CONFIG_BACKLIGHT == BL_PA14_HI /* Ondio */
     and_b(~0x40, &PADRH); /* drive it low */
+#elif CONFIG_BACKLIGHT == BL_GMINI
+    P1 &= ~0x10;
 #endif
 }
 
@@ -75,6 +77,8 @@ static void __backlight_on(void)
     or_b(0x40, &PAIORH);
 #elif CONFIG_BACKLIGHT == BL_PA14_HI /* Ondio */
     or_b(0x40, &PADRH); /* drive it high */
+#elif CONFIG_BACKLIGHT == BL_GMINI
+    P1 |= 0x10;
 #endif
 }
 
@@ -193,6 +197,8 @@ void backlight_init(void)
 #elif CONFIG_BACKLIGHT == BL_PA14_LO || CONFIG_BACKLIGHT == BL_PA14_HI
     PACR1 &= ~0x3000;    /* Set PA14 (backlight control) to GPIO */
     or_b(0x40, &PAIORH); /* ..and output */
+#elif CONFIG_BACKLIGHT == BL_GMINI
+    P1CON |= 0x10; /* P1.4 C-MOS output mode */
 #endif    
     backlight_on();
 }

firmware/export/config-gmini120.h

@@ -48,6 +48,8 @@
 
 #define CONFIG_I2C I2C_GMINI
 
+#define CONFIG_BACKLIGHT BL_GMINI
+
 #define GMINI_ARCH
 
 #endif

firmware/export/config.h

@@ -61,6 +61,7 @@
 #define BL_RTC      1 /* Recorder, RTC square wave output */
 #define BL_PA14_HI  2 /* Ondio, PA14 high active */
 #define BL_IRIVER   3 /* IRiver GPIO */
+#define BL_GMINI    4 /* Archos GMini */
 
 /* CONFIG_I2C */
 #define I2C_PLAYREC  0 /* Archos Player/Recorder style */