X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fi2c.h;h=8d6f867422c4bd6165d5954b5d92ad94e536fd79;hb=e0b0ec843085f96f4fe0738424835ee90e58bc00;hp=6e6c84531277e7683ac3dc98e05bee929054df06;hpb=ee89bf2782406b1f87088b4764aeb6f811d82526;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/i2c.h b/include/i2c.h
index 6e6c845..8d6f867 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -47,35 +47,67 @@
 #define I2C_RXTX_LEN	128	/* maximum tx/rx buffer length */
 
 #if defined(CONFIG_I2C_MULTI_BUS)
-#define CFG_MAX_I2C_BUS		2
+#define CONFIG_SYS_MAX_I2C_BUS		2
 #define I2C_GET_BUS()		i2c_get_bus_num()
 #define I2C_SET_BUS(a)		i2c_set_bus_num(a)
 #else
-#define CFG_MAX_I2C_BUS		1
+#define CONFIG_SYS_MAX_I2C_BUS		1
 #define I2C_GET_BUS()		0
 #define I2C_SET_BUS(a)
 #endif
 
 /* define the I2C bus number for RTC and DTT if not already done */
-#if !defined(CFG_RTC_BUS_NUM)
-#define CFG_RTC_BUS_NUM		0
+#if !defined(CONFIG_SYS_RTC_BUS_NUM)
+#define CONFIG_SYS_RTC_BUS_NUM		0
 #endif
-#if !defined(CFG_DTT_BUS_NUM)
-#define CFG_DTT_BUS_NUM		0
+#if !defined(CONFIG_SYS_DTT_BUS_NUM)
+#define CONFIG_SYS_DTT_BUS_NUM		0
 #endif
-#if !defined(CFG_SPD_BUS_NUM)
-#define CFG_SPD_BUS_NUM		0
+#if !defined(CONFIG_SYS_SPD_BUS_NUM)
+#define CONFIG_SYS_SPD_BUS_NUM		0
 #endif
 
+#ifndef I2C_SOFT_DECLARATIONS
+# if defined(CONFIG_MPC8260)
+#  define I2C_SOFT_DECLARATIONS volatile ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, I2C_PORT);
+# elif defined(CONFIG_8xx)
+#  define I2C_SOFT_DECLARATIONS	volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+# else
+#  define I2C_SOFT_DECLARATIONS
+# endif
+#endif
 /*
  * Initialization, must be called once on start up, may be called
  * repeatedly to change the speed and slave addresses.
  */
 void i2c_init(int speed, int slaveaddr);
-#ifdef CFG_I2C_INIT_BOARD
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
 void i2c_init_board(void);
 #endif
 
+#if defined(CONFIG_I2C_MUX)
+
+typedef struct _mux {
+	uchar	chip;
+	uchar	channel;
+	char	*name;
+	struct _mux	*next;
+} I2C_MUX;
+
+typedef struct _mux_device {
+	int	busid;
+	I2C_MUX	*mux;	/* List of muxes, to reach the device */
+	struct _mux_device	*next;
+} I2C_MUX_DEVICE;
+
+int	i2c_mux_add_device(I2C_MUX_DEVICE *dev);
+
+I2C_MUX_DEVICE	*i2c_mux_search_device(int id);
+I2C_MUX_DEVICE *i2c_mux_ident_muxstring (uchar *buf);
+int i2x_mux_select_mux(int bus);
+int i2c_mux_ident_muxstring_f (uchar *buf);
+#endif
+
 /*
  * Probe the given I2C chip address.  Returns 0 if a chip responded,
  * not 0 on failure.
@@ -113,9 +145,9 @@ void  i2c_reg_write(uchar chip, uchar reg, uchar val);
  *  Change the active I2C bus.  Subsequent read/write calls will
  *  go to this one.
  *
- * 	bus - bus index, zero based
+ *	bus - bus index, zero based
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_num(unsigned int bus);
@@ -133,9 +165,9 @@ unsigned int i2c_get_bus_num(void);
  *
  *  Change the speed of the active I2C bus
  *
- * 	speed - bus speed in Hz
+ *	speed - bus speed in Hz
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_speed(unsigned int);