a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#ifndef _XF86I2C_H

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define _XF86I2C_H

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "regionstr.h"

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#include "xf86.h"

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef unsigned char I2CByte;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef unsigned short I2CSlaveAddr;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _I2CBusRec *I2CBusPtr;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _I2CDevRec *I2CDevPtr;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _I2CBusRec {

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync char *BusName;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int scrnIndex;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync ScrnInfoPtr pScrn;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync void (*I2CUDelay) (I2CBusPtr b, int usec);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync void (*I2CPutBits) (I2CBusPtr b, int scl, int sda);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync void (*I2CGetBits) (I2CBusPtr b, int *scl, int *sda);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync /* Look at the generic routines to see how these functions should behave. */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool (*I2CStart) (I2CBusPtr b, int timeout);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool (*I2CAddress) (I2CDevPtr d, I2CSlaveAddr);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync void (*I2CStop) (I2CDevPtr d);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool (*I2CPutByte) (I2CDevPtr d, I2CByte data);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool (*I2CGetByte) (I2CDevPtr d, I2CByte * data, Bool);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync DevUnion DriverPrivate;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int HoldTime; /* 1 / bus clock frequency, 5 or 2 usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int BitTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int ByteTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int AcknTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int StartTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int RiseFallTime; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CDevPtr FirstDev;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CBusPtr NextBus;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool (*I2CWriteRead) (I2CDevPtr d, I2CByte * WriteBuffer, int nWrite,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CByte * ReadBuffer, int nRead);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync} I2CBusRec;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define CreateI2CBusRec xf86CreateI2CBusRec

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT I2CBusPtr xf86CreateI2CBusRec(void);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define DestroyI2CBusRec xf86DestroyI2CBusRec

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void xf86DestroyI2CBusRec(I2CBusPtr pI2CBus, Bool unalloc,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync Bool devs_too);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define I2CBusInit xf86I2CBusInit

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CBusInit(I2CBusPtr pI2CBus);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT I2CBusPtr xf86I2CFindBus(int scrnIndex, char *name);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT int xf86I2CGetScreenBuses(int scrnIndex,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CBusPtr ** pppI2CBus);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsynctypedef struct _I2CDevRec {

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync char *DevName;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int BitTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int ByteTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int AcknTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int StartTimeout; /* usec */

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CSlaveAddr SlaveAddr;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CBusPtr pI2CBus;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CDevPtr NextDev;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync DevUnion DriverPrivate;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync} I2CDevRec;

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define CreateI2CDevRec xf86CreateI2CDevRec

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT I2CDevPtr xf86CreateI2CDevRec(void);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT void xf86DestroyI2CDevRec(I2CDevPtr pI2CDev, Bool unalloc);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define I2CDevInit xf86I2CDevInit

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CDevInit(I2CDevPtr pI2CDev);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT I2CDevPtr xf86I2CFindDev(I2CBusPtr, I2CSlaveAddr);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define I2CProbeAddress xf86I2CProbeAddress

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CProbeAddress(I2CBusPtr pI2CBus, I2CSlaveAddr);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define I2C_WriteRead xf86I2CWriteRead

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CWriteRead(I2CDevPtr d, I2CByte * WriteBuffer,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int nWrite, I2CByte * ReadBuffer,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync int nRead);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define xf86I2CRead(d, rb, nr) xf86I2CWriteRead(d, NULL, 0, rb, nr)

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CReadStatus(I2CDevPtr d, I2CByte * pbyte);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CReadByte(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CByte * pbyte);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CReadBytes(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CByte * pbyte, int n);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CReadWord(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync unsigned short *pword);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#define xf86I2CWrite(d, wb, nw) xf86I2CWriteRead(d, wb, nw, NULL, 0)

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CWriteByte(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CByte byte);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CWriteBytes(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync I2CByte * WriteBuffer, int nWrite);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CWriteWord(I2CDevPtr d, I2CByte subaddr,

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync unsigned short word);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsyncextern _X_EXPORT Bool xf86I2CWriteVec(I2CDevPtr d, I2CByte * vec, int nValues);

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync

a3f3701cea1ba388e7c877955252bb7375eedebdvboxsync#endif /*_XF86I2C_H */