1 files changed, 6 insertions, 37 deletions

diff --git a/firmware/export/i2c-pp5020.h b/firmware/export/i2c-pp5020.h
index 8487c678cf..c0dc969e8b 100644
--- a/firmware/export/i2c-pp5020.h
+++ b/firmware/export/i2c-pp5020.h
@@ -18,48 +18,17 @@
  ****************************************************************************/
 
 /*
- *  Driver for ARM i2c driver
- *  
+ * PP5020 i2c driver
  *
  */
  
-#ifndef _I2C_ARM_H
-#define _I2C_ARM_H
+#ifndef _I2C_PP5020_H
+#define _I2C_PP5020_H
 
-/* TODO: Implement: i2c-pp5020.h */
+/* TODO: Fully implement i2c driver */
 
 void i2c_init(void);
-int i2c_write(int device, unsigned char *buf, int count);
-void i2c_close(void);
-
-#define MAX_LOOP    0x100     /* TODO: select a better value */
-
-/* PLLCR control */
-#define QSPISEL (1 << 11)               /* Selects QSPI or I2C interface */
-
-/* Offsets to I2C registers from base address */
-#define O_MADR  0x00            /* Slave Address        */
-#define O_MFDR  0x04            /* Frequency divider    */
-#define O_MBCR  0x08            /* Control register     */
-#define O_MBSR  0x0c            /* Status register      */
-#define O_MBDR  0x10            /* Data register        */
-
-/* MBSR - Status register */
-#define ICF     (1 << 7)        /* Transfer Complete    */
-#define IAAS    (1 << 6)        /* Addressed As Alave   */
-#define IBB     (1 << 5)        /* Bus Busy                     */
-#define IAL     (1 << 4)        /* Arbitration Lost         */
-#define SRW     (1 << 2)        /* Slave R/W                */
-#define IFF     (1 << 1)        /* I2C Interrupt            */
-#define RXAK    (1 << 0)        /* No Ack bit               */
-
-/* MBCR - Control register */
-#define IEN     (1 << 7)                /* I2C Enable               */
-#define IIEN    (1 << 6)                /* Interrupt Enable         */
-#define MSTA    (1 << 5)                /* Master/Slave select  */
-#define MTX     (1 << 4)                /* Transmit/Receive         */
-#define TXAK    (1 << 3)                /* Transfer ACK             */
-#define RSTA    (1 << 2)                /* Restart..                */
-
+int i2c_readbyte(unsigned int dev_addr, int addr);
+int ipod_i2c_send(unsigned int addr, int data0, int data1);
 
 #endif