diff options
Diffstat (limited to 'xorg-server/hw/xfree86/i2c/xf86i2c.h')
| -rw-r--r-- | xorg-server/hw/xfree86/i2c/xf86i2c.h | 103 |
1 files changed, 56 insertions, 47 deletions
diff --git a/xorg-server/hw/xfree86/i2c/xf86i2c.h b/xorg-server/hw/xfree86/i2c/xf86i2c.h index f2ded09db..9a8fb21a3 100644 --- a/xorg-server/hw/xfree86/i2c/xf86i2c.h +++ b/xorg-server/hw/xfree86/i2c/xf86i2c.h @@ -2,13 +2,12 @@ * Copyright (C) 1998 Itai Nahshon, Michael Schimek */ - #ifndef _XF86I2C_H #define _XF86I2C_H #include "regionstr.h" -typedef unsigned char I2CByte; +typedef unsigned char I2CByte; typedef unsigned short I2CSlaveAddr; typedef struct _I2CBusRec *I2CBusPtr; @@ -17,68 +16,71 @@ typedef struct _I2CDevRec *I2CDevPtr; /* I2C masters have to register themselves */ typedef struct _I2CBusRec { - char * BusName; - int scrnIndex; - - void (*I2CUDelay) (I2CBusPtr b, int usec); - - void (*I2CPutBits)(I2CBusPtr b, int scl, int sda); - void (*I2CGetBits)(I2CBusPtr b, int *scl, int *sda); + char *BusName; + int scrnIndex; + + void (*I2CUDelay) (I2CBusPtr b, int usec); + + void (*I2CPutBits) (I2CBusPtr b, int scl, int sda); + void (*I2CGetBits) (I2CBusPtr b, int *scl, int *sda); /* Look at the generic routines to see how these functions should behave. */ - Bool (*I2CStart) (I2CBusPtr b, int timeout); - Bool (*I2CAddress)(I2CDevPtr d, I2CSlaveAddr); - void (*I2CStop) (I2CDevPtr d); - Bool (*I2CPutByte)(I2CDevPtr d, I2CByte data); - Bool (*I2CGetByte)(I2CDevPtr d, I2CByte *data, Bool); + Bool (*I2CStart) (I2CBusPtr b, int timeout); + Bool (*I2CAddress) (I2CDevPtr d, I2CSlaveAddr); + void (*I2CStop) (I2CDevPtr d); + Bool (*I2CPutByte) (I2CDevPtr d, I2CByte data); + Bool (*I2CGetByte) (I2CDevPtr d, I2CByte * data, Bool); - DevUnion DriverPrivate; + DevUnion DriverPrivate; - int HoldTime; /* 1 / bus clock frequency, 5 or 2 usec */ + int HoldTime; /* 1 / bus clock frequency, 5 or 2 usec */ - int BitTimeout; /* usec */ - int ByteTimeout; /* usec */ - int AcknTimeout; /* usec */ - int StartTimeout; /* usec */ - int RiseFallTime; /* usec */ + int BitTimeout; /* usec */ + int ByteTimeout; /* usec */ + int AcknTimeout; /* usec */ + int StartTimeout; /* usec */ + int RiseFallTime; /* usec */ - I2CDevPtr FirstDev; - I2CBusPtr NextBus; - Bool (*I2CWriteRead)(I2CDevPtr d, I2CByte *WriteBuffer, int nWrite, - I2CByte *ReadBuffer, int nRead); + I2CDevPtr FirstDev; + I2CBusPtr NextBus; + Bool (*I2CWriteRead) (I2CDevPtr d, I2CByte * WriteBuffer, int nWrite, + I2CByte * ReadBuffer, int nRead); } I2CBusRec; #define CreateI2CBusRec xf86CreateI2CBusRec extern _X_EXPORT I2CBusPtr xf86CreateI2CBusRec(void); + #define DestroyI2CBusRec xf86DestroyI2CBusRec -extern _X_EXPORT void xf86DestroyI2CBusRec(I2CBusPtr pI2CBus, Bool unalloc, Bool devs_too); +extern _X_EXPORT void xf86DestroyI2CBusRec(I2CBusPtr pI2CBus, Bool unalloc, + Bool devs_too); #define I2CBusInit xf86I2CBusInit extern _X_EXPORT Bool xf86I2CBusInit(I2CBusPtr pI2CBus); extern _X_EXPORT I2CBusPtr xf86I2CFindBus(int scrnIndex, char *name); -extern _X_EXPORT int xf86I2CGetScreenBuses(int scrnIndex, I2CBusPtr **pppI2CBus); - +extern _X_EXPORT int xf86I2CGetScreenBuses(int scrnIndex, + I2CBusPtr ** pppI2CBus); /* I2C slave devices */ typedef struct _I2CDevRec { - char * DevName; + char *DevName; - int BitTimeout; /* usec */ - int ByteTimeout; /* usec */ - int AcknTimeout; /* usec */ - int StartTimeout; /* usec */ + int BitTimeout; /* usec */ + int ByteTimeout; /* usec */ + int AcknTimeout; /* usec */ + int StartTimeout; /* usec */ - I2CSlaveAddr SlaveAddr; - I2CBusPtr pI2CBus; - I2CDevPtr NextDev; - DevUnion DriverPrivate; + I2CSlaveAddr SlaveAddr; + I2CBusPtr pI2CBus; + I2CDevPtr NextDev; + DevUnion DriverPrivate; } I2CDevRec; #define CreateI2CDevRec xf86CreateI2CDevRec extern _X_EXPORT I2CDevPtr xf86CreateI2CDevRec(void); extern _X_EXPORT void xf86DestroyI2CDevRec(I2CDevPtr pI2CDev, Bool unalloc); + #define I2CDevInit xf86I2CDevInit extern _X_EXPORT Bool xf86I2CDevInit(I2CDevPtr pI2CDev); extern _X_EXPORT I2CDevPtr xf86I2CFindDev(I2CBusPtr, I2CSlaveAddr); @@ -89,18 +91,25 @@ extern _X_EXPORT I2CDevPtr xf86I2CFindDev(I2CBusPtr, I2CSlaveAddr); extern _X_EXPORT Bool xf86I2CProbeAddress(I2CBusPtr pI2CBus, I2CSlaveAddr); #define I2C_WriteRead xf86I2CWriteRead -extern _X_EXPORT Bool xf86I2CWriteRead(I2CDevPtr d, I2CByte *WriteBuffer, int nWrite, - I2CByte *ReadBuffer, int nRead); +extern _X_EXPORT Bool xf86I2CWriteRead(I2CDevPtr d, I2CByte * WriteBuffer, + int nWrite, I2CByte * ReadBuffer, + int nRead); #define xf86I2CRead(d, rb, nr) xf86I2CWriteRead(d, NULL, 0, rb, nr) -extern _X_EXPORT Bool xf86I2CReadStatus(I2CDevPtr d, I2CByte *pbyte); -extern _X_EXPORT Bool xf86I2CReadByte(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte); -extern _X_EXPORT Bool xf86I2CReadBytes(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte, int n); -extern _X_EXPORT Bool xf86I2CReadWord(I2CDevPtr d, I2CByte subaddr, unsigned short *pword); +extern _X_EXPORT Bool xf86I2CReadStatus(I2CDevPtr d, I2CByte * pbyte); +extern _X_EXPORT Bool xf86I2CReadByte(I2CDevPtr d, I2CByte subaddr, + I2CByte * pbyte); +extern _X_EXPORT Bool xf86I2CReadBytes(I2CDevPtr d, I2CByte subaddr, + I2CByte * pbyte, int n); +extern _X_EXPORT Bool xf86I2CReadWord(I2CDevPtr d, I2CByte subaddr, + unsigned short *pword); #define xf86I2CWrite(d, wb, nw) xf86I2CWriteRead(d, wb, nw, NULL, 0) -extern _X_EXPORT Bool xf86I2CWriteByte(I2CDevPtr d, I2CByte subaddr, I2CByte byte); -extern _X_EXPORT Bool xf86I2CWriteBytes(I2CDevPtr d, I2CByte subaddr, I2CByte *WriteBuffer, int nWrite); -extern _X_EXPORT Bool xf86I2CWriteWord(I2CDevPtr d, I2CByte subaddr, unsigned short word); -extern _X_EXPORT Bool xf86I2CWriteVec(I2CDevPtr d, I2CByte *vec, int nValues); +extern _X_EXPORT Bool xf86I2CWriteByte(I2CDevPtr d, I2CByte subaddr, + I2CByte byte); +extern _X_EXPORT Bool xf86I2CWriteBytes(I2CDevPtr d, I2CByte subaddr, + I2CByte * WriteBuffer, int nWrite); +extern _X_EXPORT Bool xf86I2CWriteWord(I2CDevPtr d, I2CByte subaddr, + unsigned short word); +extern _X_EXPORT Bool xf86I2CWriteVec(I2CDevPtr d, I2CByte * vec, int nValues); #endif /*_XF86I2C_H */ |