1 files changed, 6 insertions, 162 deletions

diff --git a/src/southbridge/sis/sis966/sis966_smbus.h b/src/southbridge/sis/sis966/sis966_smbus.h
index 3294be5899..087ea47f23 100644
--- a/src/southbridge/sis/sis966/sis966_smbus.h
+++ b/src/southbridge/sis/sis966/sis966_smbus.h
@@ -37,166 +37,10 @@
  */
 #define SMBUS_TIMEOUT	(100*1000*10)
 
-static inline void smbus_delay(void)
-{
-	outb(0x80, 0x80);
-}
-
-static int smbus_wait_until_ready(unsigned smbus_io_base)
-{
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	do {
-		unsigned char val;
-		smbus_delay();
-		val = inb(smbus_io_base + SMBHSTSTAT);
-		val &= 0x1f;
-		if (val == 0) {
-			return 0;
-		}
-		outb(val,smbus_io_base + SMBHSTSTAT);
-	} while(--loops);
-	return -2;
-}
-
-static int smbus_wait_until_done(unsigned smbus_io_base)
-{
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	do {
-		unsigned char val;
-		smbus_delay();
-
-		val = inb(smbus_io_base + 0x00);
-		if ( (val & 0xff) != 0x02) {
-			return 0;
-		}
-	} while(--loops);
-	return -3;
-}
-static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
-{
-	unsigned char global_status_register;
-	unsigned char byte;
-
-	/* set the device I'm talking too */
-	outb(((device & 0x7f) << 1)|1 , smbus_io_base + SMBXMITADD);
-	smbus_delay();
-
-	/* byte data recv */
-	outb(0x05, smbus_io_base + SMBHSTPRTCL);
-	smbus_delay();
-
-	/* poll for transaction completion */
-	if (smbus_wait_until_done(smbus_io_base) < 0) {
-		return -3;
-	}
-
-	global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */
-
-	/* read results of transaction */
-	byte = inb(smbus_io_base + SMBHSTCMD);
-
-	if (global_status_register != 0x80) { // lose check, otherwise it should be 0
-		return -1;
-	}
-	return byte;
-}
-static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned char val)
-{
-	unsigned global_status_register;
-
-	outb(val, smbus_io_base + SMBHSTDAT0);
-	smbus_delay();
-
-	/* set the command... */
-	outb(val, smbus_io_base + SMBHSTCMD);
-	smbus_delay();
-
-	/* set the device I'm talking too */
-	outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
-	smbus_delay();
-
-	/* set up for a byte data write */
-	outb(0x04, smbus_io_base + SMBHSTPRTCL);
-	smbus_delay();
-
-	/* poll for transaction completion */
-	if (smbus_wait_until_done(smbus_io_base) < 0) {
-		return -3;
-	}
-	global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
-
-	if (global_status_register != 0x80) {
-		return -1;
-	}
-	return 0;
-}
-static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
-{
-	unsigned char global_status_register;
-	unsigned char byte;
-
-	outb(0xff, smbus_io_base + 0x00);
-	smbus_delay();
-	outb(0x20, smbus_io_base + 0x03);
-	smbus_delay();
-
-	outb(((device & 0x7f) << 1)|1 , smbus_io_base + 0x04);
-	smbus_delay();
-	outb(address & 0xff, smbus_io_base + 0x05);
-	smbus_delay();
-	outb(0x12, smbus_io_base + 0x03);
-	smbus_delay();
-
-int	i,j;
-for(i=0;i<0x1000;i++)
-{
-	if (inb(smbus_io_base + 0x00) != 0x08)
-	{	smbus_delay();
-		for(j=0;j<0xFFFF;j++);
-	}
-};
-
-	global_status_register = inb(smbus_io_base + 0x00);
-	byte = inb(smbus_io_base + 0x08);
-
-	if (global_status_register != 0x08) { // lose check, otherwise it should be 0
-		print_debug("Fail");print_debug("\r\t");
-			return -1;
-	}
-		print_debug("Success");print_debug("\r\t");
-	return byte;
-}
-
-
-static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
-{
-	unsigned global_status_register;
-
-	outb(val, smbus_io_base + SMBHSTDAT0);
-	smbus_delay();
-
-	/* set the device I'm talking too */
-	outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
-	smbus_delay();
-
-	outb(address & 0xff, smbus_io_base + SMBHSTCMD);
-	smbus_delay();
-
-	/* set up for a byte data write */
-	outb(0x06, smbus_io_base + SMBHSTPRTCL);
-	smbus_delay();
-
-	/* poll for transaction completion */
-	if (smbus_wait_until_done(smbus_io_base) < 0) {
-		return -3;
-	}
-	global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
-
-	if (global_status_register != 0x80) {
-		return -1;
-	}
-	return 0;
-}
+int smbus_wait_until_ready(unsigned smbus_io_base);
+int smbus_wait_until_done(unsigned smbus_io_base);
+int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device);
+int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned char val);
+int smbus_read_byte(unsigned device, unsigned address);
+int smbus_write_byte(unsigned device, unsigned address, unsigned char val);