Clean up PP5020 I2C code (no functional changes):

Move into target tree.
Use #defines instead of inb/outb.
Whitespace cleanup.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12123 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 14 insertions, 0 deletions

diff --git a/firmware/export/i2c-pp5020.h b/firmware/export/i2c-pp5020.h
index b8b10d6388..c52d07d24f 100644
--- a/firmware/export/i2c-pp5020.h
+++ b/firmware/export/i2c-pp5020.h
@@ -25,6 +25,17 @@
 #ifndef _I2C_PP5020_H
 #define _I2C_PP5020_H
 
+#define I2C_CTRL    (*(volatile unsigned char*)(I2C_BASE+0x00))
+#define I2C_ADDR    (*(volatile unsigned char*)(I2C_BASE+0x04))
+#define I2C_DATA(X) (*(volatile unsigned char*)(I2C_BASE+0xc+(4*X)))
+#define I2C_STATUS  (*(volatile unsigned char*)(I2C_BASE+0x1c))
+
+/* I2C_CTRL bit definitions */
+#define I2C_SEND    0x80
+
+/* I2C_STATUS bit definitions */
+#define I2C_BUSY    (1<<6)
+
 /* TODO: Fully implement i2c driver */
 
 void i2c_init(void);
diff --git a/firmware/export/pp5020.h b/firmware/export/pp5020.h
index cbae083913..a71ca7ef05 100644
--- a/firmware/export/pp5020.h
+++ b/firmware/export/pp5020.h
@@ -126,6 +126,7 @@
 #define DEV_EN (*(volatile unsigned long *)(0x6000600c))
 
 #define DEV_SYSTEM  0x4
+#define DEV_I2C     0x1000
 #define DEV_USB     0x400000
 
 #define DEV_INIT    (*(volatile unsigned long *)(0x70000020))
@@ -163,6 +164,8 @@
 #define SER1_MASK    (1 << (SER1_IRQ-32))
 #define I2C_MASK     (1 << (I2C_IRQ-32))
 
+#define I2C_BASE    0x7000c000
+
 #define IISCONFIG           (*(volatile unsigned long*)(0x70002800))
 
 #define IISFIFO_CFG         (*(volatile unsigned long*)(0x7000280c))