From 95646ceaf55fe6b1c65261d094eb161749bcdc32 Mon Sep 17 00:00:00 2001
From: funman <funman@a1c6a512-1295-4272-9138-f99709370657>
Date: Wed, 5 May 2010 02:27:18 +0000
Subject: [PATCH] as3525 FM i2c : don't assume SCL and SDA are on the same GPIO

This seems to be the case for the Fuzev2

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25817 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/as3525/fmradio-i2c-as3525.c | 44 +++++++++++++++----------
 1 file changed, 26 insertions(+), 18 deletions(-)

diff --git a/firmware/target/arm/as3525/fmradio-i2c-as3525.c b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
index 622f33963..c86e3f53a 100644
--- a/firmware/target/arm/as3525/fmradio-i2c-as3525.c
+++ b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
@@ -32,26 +32,34 @@
 #include "fmradio_i2c.h"
 
 #if     defined(SANSA_CLIP) || defined(SANSA_C200V2)
-#define I2C_GPIO(x) GPIOB_PIN(x)
-#define I2C_GPIO_DIR GPIOB_DIR
+#define I2C_SCL_GPIO(x) GPIOB_PIN(x)
+#define I2C_SDA_GPIO(x) GPIOB_PIN(x)
+#define I2C_SCL_GPIO_DIR GPIOB_DIR
+#define I2C_SDA_GPIO_DIR GPIOB_DIR
 #define I2C_SCL_PIN 4
 #define I2C_SDA_PIN 5
 
 #elif     defined(SANSA_CLIPV2) || defined(SANSA_CLIPPLUS)
-#define I2C_GPIO(x) GPIOB_PIN(x)
-#define I2C_GPIO_DIR GPIOB_DIR
+#define I2C_SCL_GPIO(x) GPIOB_PIN(x)
+#define I2C_SDA_GPIO(x) GPIOB_PIN(x)
+#define I2C_SCL_GPIO_DIR GPIOB_DIR
+#define I2C_SDA_GPIO_DIR GPIOB_DIR
 #define I2C_SCL_PIN 6
 #define I2C_SDA_PIN 7
 
 #elif   defined(SANSA_M200V4)
-#define I2C_GPIO(x) GPIOD_PIN(x)
-#define I2C_GPIO_DIR GPIOD_DIR
+#define I2C_SCL_GPIO(x) GPIOD_PIN(x)
+#define I2C_SDA_GPIO(x) GPIOD_PIN(x)
+#define I2C_SCL_GPIO_DIR GPIOD_DIR
+#define I2C_SDA_GPIO_DIR GPIOD_DIR
 #define I2C_SCL_PIN 7
 #define I2C_SDA_PIN 6
 
 #elif   defined(SANSA_FUZE) || defined(SANSA_E200V2)
-#define I2C_GPIO(x) GPIOA_PIN(x)
-#define I2C_GPIO_DIR GPIOA_DIR
+#define I2C_SCL_GPIO(x) GPIOA_PIN(x)
+#define I2C_SDA_GPIO(x) GPIOA_PIN(x)
+#define I2C_SCL_GPIO_DIR GPIOA_DIR
+#define I2C_SDA_GPIO_DIR GPIOA_DIR
 #define I2C_SCL_PIN 6
 #define I2C_SDA_PIN 7
 
@@ -63,52 +71,52 @@ static int fm_i2c_bus;
 
 static void fm_scl_hi(void)
 {
-    I2C_GPIO(I2C_SCL_PIN) = 1 << I2C_SCL_PIN;
+    I2C_SCL_GPIO(I2C_SCL_PIN) = 1 << I2C_SCL_PIN;
 }
 
 static void fm_scl_lo(void)
 {
-    I2C_GPIO(I2C_SCL_PIN) = 0;
+    I2C_SCL_GPIO(I2C_SCL_PIN) = 0;
 }
 
 static void fm_sda_hi(void)
 {
-    I2C_GPIO(I2C_SDA_PIN) = 1 << I2C_SDA_PIN;
+    I2C_SDA_GPIO(I2C_SDA_PIN) = 1 << I2C_SDA_PIN;
 }
 
 static void fm_sda_lo(void)
 {
-    I2C_GPIO(I2C_SDA_PIN) = 0;
+    I2C_SDA_GPIO(I2C_SDA_PIN) = 0;
 }
 
 static void fm_sda_input(void)
 {
-    I2C_GPIO_DIR &= ~(1 << I2C_SDA_PIN);
+    I2C_SDA_GPIO_DIR &= ~(1 << I2C_SDA_PIN);
 }
 
 static void fm_sda_output(void)
 {
-    I2C_GPIO_DIR |= 1 << I2C_SDA_PIN;
+    I2C_SDA_GPIO_DIR |= 1 << I2C_SDA_PIN;
 }
 
 static void fm_scl_input(void)
 {
-    I2C_GPIO_DIR &= ~(1 << I2C_SCL_PIN);
+    I2C_SCL_GPIO_DIR &= ~(1 << I2C_SCL_PIN);
 }
 
 static void fm_scl_output(void)
 {
-    I2C_GPIO_DIR |= 1 << I2C_SCL_PIN;
+    I2C_SCL_GPIO_DIR |= 1 << I2C_SCL_PIN;
 }
 
 static int fm_sda(void)
 {
-    return I2C_GPIO(I2C_SDA_PIN);
+    return I2C_SDA_GPIO(I2C_SDA_PIN);
 }
 
 static int fm_scl(void)
 {
-    return I2C_GPIO(I2C_SCL_PIN);
+    return I2C_SCL_GPIO(I2C_SCL_PIN);
 }
 
 /* simple and crude delay, used for all delays in the generic i2c driver */
-- 
2.11.4.GIT