From e90f961593e92fa5d98efa67b569e7efe5f4fbe0 Mon Sep 17 00:00:00 2001
From: Bertrik Sikken <bertrik@sikken.nl>
Date: Sat, 29 Oct 2011 17:08:05 +0000
Subject: Sansa clip zip: update mkamsboot and fix various drivers to make it
 boot to the main firmware

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30853 a1c6a512-1295-4272-9138-f99709370657
---
 .../arm/as3525/sansa-clipzip/backlight-clipzip.c       | 18 ++++++++----------
 .../target/arm/as3525/sansa-clipzip/button-clipzip.c   | 10 +++++-----
 firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c | 10 +++++++---
 3 files changed, 20 insertions(+), 18 deletions(-)

(limited to 'firmware/target/arm/as3525/sansa-clipzip')

diff --git a/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c
index 758aa875cc..589f80436e 100644
--- a/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c
+++ b/firmware/target/arm/as3525/sansa-clipzip/backlight-clipzip.c
@@ -25,11 +25,14 @@
 #include "lcd.h"
 #include "as3525v2.h"
 #include "ascodec-target.h"
+#include "lcd-target.h"
 
 bool _backlight_init()
 {
     /* GPIO B1 controls backlight */
     GPIOB_DIR |= (1 << 1);
+    ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x91);
+    GPIOB_PIN(1) = (1 << 1);
     
     return true;
 }
@@ -37,13 +40,6 @@ bool _backlight_init()
 void _backlight_on(void)
 {
     GPIOB_PIN(1) = (1 << 1);
-    
-    ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x91);
-    sleep(1);
-    ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x91);
-    sleep(1);
-    ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x91);
-
 #ifdef HAVE_LCD_ENABLE
     lcd_enable(true);
 #endif
@@ -54,9 +50,11 @@ void _backlight_off(void)
 #ifdef HAVE_LCD_ENABLE
     lcd_enable(false);
 #endif
-
     GPIOB_PIN(1) = 0;
-    
-    ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x91);
+}
+
+void _backlight_set_brightness(int brightness)
+{
+    oled_brightness(brightness);
 }
 
diff --git a/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c
index 104c227378..e960b49b77 100644
--- a/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c
+++ b/firmware/target/arm/as3525/sansa-clipzip/button-clipzip.c
@@ -71,13 +71,13 @@ int button_read_device(void)
     udelay(500);
     
     if (GPIOC_PIN(3)) {
-        buttons |= BUTTON_LEFT;
+        buttons |= BUTTON_RIGHT;
     }
     if (GPIOC_PIN(4)) {
         buttons |= BUTTON_SELECT;
     }
     if (GPIOC_PIN(5)) {
-        buttons |= BUTTON_RIGHT;
+        buttons |= BUTTON_UP;
     }
     
     /* key matrix buttons, second row */
@@ -86,13 +86,13 @@ int button_read_device(void)
     udelay(500);
     
     if (GPIOC_PIN(3)) {
-        buttons |= BUTTON_UP;
+        buttons |= BUTTON_HOME;
     }
     if (GPIOC_PIN(4)) {
-        buttons |= BUTTON_HOME;
+        buttons |= BUTTON_DOWN;
     }
     if (GPIOC_PIN(5)) {
-        buttons |= BUTTON_DOWN;
+        buttons |= BUTTON_LEFT;
     }
     
     /* deselect scan rows */
diff --git a/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c b/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c
index 899eb538ea..0ae049b6ff 100644
--- a/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c
+++ b/firmware/target/arm/as3525/sansa-clipzip/lcd-clipzip.c
@@ -51,12 +51,16 @@ static int lcd_hw_init(void)
     SSP_IMSC &= ~0xF;       /* disable interrupts */
     SSP_DMACR &= ~0x3;      /* disable DMA */
 
+    /* GPIO A3 is ??? but needs to be set */
+    GPIOA_DIR |= (1 << 3);
+    GPIOA_PIN(3) = (1 << 3);
+
     /* configure GPIO B2 (lcd D/C#) as output */
     GPIOB_DIR |= (1<<2);
 
     /* configure GPIO B3 (lcd type detect) as input */
     GPIOB_DIR &= ~(1<<3);
-
+    
     /* configure GPIO A5 (lcd reset#) as output and perform lcd reset */
     GPIOA_DIR |= (1 << 5);
     GPIOA_PIN(5) = 0;
@@ -154,7 +158,7 @@ static void lcd_write_nibbles(uint8_t val)
 /* initialises lcd type 1 */
 static void lcd_init_type1(void)
 {
-    static const uint8_t curve[256] = {
+    static const uint8_t curve[128] = {
         /* 5-bit curve */
         0, 5, 10, 15, 20, 25, 30, 35, 39, 43, 47, 51, 55, 59, 63, 67,
         71, 75, 79, 83, 87, 91, 95, 99, 103, 105, 109, 113, 117, 121, 123, 127,
@@ -242,7 +246,7 @@ static void lcd_init_type1(void)
     lcd_write_dat(0x10);
 
     lcd_write_cmd(0x3A);
-    for (i = 0; i < 256; i++) {
+    for (i = 0; i < 128; i++) {
         lcd_write_nibbles(curve[i]);
     }
 
-- 
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