iAudio, iRiver: As both platforms use the same i2c interface i have renamed i2c-h100.c/h to i2c-coldfire.c/h. Also i have changed some stuff in config.h and config-xx.h. Hope everybody agrees with this patch, else we can unroll and improve it.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7271 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -79,8 +79,8 @@ drivers/fmradio_i2c.c
 tuner_philips.c
 #endif
 #endif
-#if CONFIG_I2C == I2C_H100
-drivers/i2c-h100.c
+#if CONFIG_I2C == I2C_COLDFIRE
+drivers/i2c-coldfire.c
 #else
 drivers/i2c.c
 #endif

firmware/drivers/i2c-coldfire.c

@@ -21,7 +21,7 @@
 #include "kernel.h"
 #include "debug.h"
 #include "system.h"
-#include "i2c-h100.h"
+#include "i2c-coldfire.h"
 
 #define I2C_DEVICE_1    ((volatile unsigned char *)&MADR)
 #define I2C_DEVICE_2    ((volatile unsigned char *)&MADR2)
@@ -37,6 +37,7 @@ static volatile unsigned char *i2c_get_addr(int device);
 
 void i2c_init(void)
 {
+#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
     /* Audio Codec */
     MADR = 0x6c; /* iRiver firmware uses this addr */
     MBDR = 0;    /* iRiver firmware does this */
@@ -48,22 +49,21 @@ void i2c_init(void)
     MBDR2 = 0;
     MBCR2 = IEN;
 #endif
+
+#endif
 }
 
 void i2c_close(void)
 {
     MBCR  = 0;
-
-#if 0 
     MBCR2 = 0;
-#endif
 }
 
 /**
  * Writes bytes to the selected device.
  *
- * Use device=1 for bus 1 at 0x40000280 (Audio Codec)
- * Use device=2 for bus 2 at 0x80000440 (Tuner ?)
+ * Use device=1 for bus 1 at 0x40000280
+ * Use device=2 for bus 2 at 0x80000440
  * 
  * Returns number of bytes successfully send or -1 if START failed
  */
@@ -106,33 +106,33 @@ int i2c_write_byte(int device, unsigned char data)
     /* Wait for bus busy */
     while (!(regs[O_MBSR] & IBB) && count < MAX_LOOP)
     {
-        yield();  
+        yield();
         count++;
     }
-    
+
     if (count >= MAX_LOOP)
         return -1;
 
     count = 0;
-    
+
     /* Wait for interrupt flag */
     while (!(regs[O_MBSR] & IFF) && count < MAX_LOOP)
     {
         yield();
-        count++;  
+        count++;
     }
 
     if (count >= MAX_LOOP)
         return -2;
 
     regs[O_MBSR] &= ~IFF;       /* Clear interrupt flag  */
-    
+
     if (!(regs[O_MBSR] & ICF))  /* Check that transfer is complete */
-        return -3;      
+        return -3;
 
     if (regs[O_MBSR] & RXAK)    /* Check that the byte has been ACKed */
         return -4;
-    
+
     return 0;
 }
 
@@ -142,14 +142,14 @@ int i2c_gen_start(int device)
 {
     volatile unsigned char *regs = i2c_get_addr(device);
     long count = 0;
-        
+
     /* Wait for bus to become free */
     while ((regs[O_MBSR] & IBB) && (count < MAX_LOOP))
     {
         yield();
         count++;
     }
-                
+
     if (count >= MAX_LOOP)
         return -1;
 
@@ -169,6 +169,6 @@ volatile unsigned char *i2c_get_addr(int device)
 {
     if (device == 1)
         return I2C_DEVICE_1;
-    
-    return I2C_DEVICE_2;        
+
+    return I2C_DEVICE_2;
 }

firmware/export/config-h100.h

@@ -52,7 +52,8 @@
 /* Define this if you have a Motorola SCF5249 */
 #define CONFIG_CPU MCF5249
 
-#define CONFIG_I2C I2C_H100
+/* Define this if you want to use coldfire's i2c interface */
+#define CONFIG_I2C I2C_COLDFIRE
 
 #define HAVE_UDA1380
 

firmware/export/config-h120.h

@@ -48,7 +48,8 @@
 /* Define this if you have a Motorola SCF5249 */
 #define CONFIG_CPU MCF5249
 
-#define CONFIG_I2C I2C_H100
+/* Define this if you want to use coldfire's i2c interface */
+#define CONFIG_I2C I2C_COLDFIRE
 
 #define HAVE_UDA1380
 

firmware/export/config-h300.h

@@ -44,7 +44,8 @@
 /* Define this if you have a Motorola SCF5249 */
 #define CONFIG_CPU MCF5249
 
-#define CONFIG_I2C I2C_H100
+/* Define this if you want to use coldfire's i2c interface */
+#define CONFIG_I2C I2C_COLDFIRE
 
 #define HAVE_UDA1380
 

firmware/export/config-iaudiox5.h

@@ -42,10 +42,11 @@
 
 #ifndef SIMULATOR
 
-/* Define this if you have a Motorola SCF5249 */
+/* Define this if you have a Motorola SCF5250 */
 #define CONFIG_CPU MCF5250
 
-#define CONFIG_I2C I2C_IAUDIO
+/* Define this if you want to use coldfire's i2c interface */
+#define CONFIG_I2C I2C_COLDFIRE
 
 #define HAVE_TLV320
 

firmware/export/config.h

@@ -81,8 +81,7 @@
 #define I2C_PLAYREC  0 /* Archos Player/Recorder style */
 #define I2C_ONDIO    1 /* Ondio style */
 #define I2C_GMINI    2 /* Gmini style */
-#define I2C_H100     3 /* iRiver h100 style */
-#define I2C_IAUDIO   4 /* iAuido style */
+#define I2C_COLDFIRE 3 /* Coldfire style */
 
 /* CONFIG_LED */
 #define LED_REAL     1 /* SW controlled LED (Archos recorders, player, Gmini) */

firmware/export/i2c-coldfire.h

@@ -18,13 +18,13 @@
  ****************************************************************************/
 
 /*
- *  Driver for MCF5249's I2C interface
+ *  Driver for MCF52xx's I2C interface
  *  2005-02-17 hubble@mochine.com
  *
  */
  
-#ifndef _I2C_H100_H
-#define _I2C_H100_H
+#ifndef _I2C_COLDFIRE_H
+#define _I2C_COLDFIRE_H
 
 void i2c_init(void);
 int i2c_write(int device, unsigned char *buf, int count);