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![Elena Ufimtseva](/assets/img/avatar_default.png)
Fixes checkpatch warnings about C pointer format. Signed-off-by: Elena Ufimtseva <ufimtseva@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
345 lines
9.9 KiB
C
345 lines
9.9 KiB
C
/*
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* IOCTL calls for the CED1401 driver
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* Copyright (C) 2010 Cambridge Electronic Design Ltd
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* Author Greg P Smith (greg@ced.co.uk)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __CED_IOCTL_H__
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#define __CED_IOCTL_H__
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#include <linux/ioctl.h>
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/* dma modes, only MODE_CHAR and MODE_LINEAR are used in this driver */
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#define MODE_CHAR 0
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#define MODE_LINEAR 1
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/****************************************************************************
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** TypeDefs
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*****************************************************************************/
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typedef unsigned short TBLOCKENTRY; /* index the blk transfer table 0-7 */
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typedef struct TransferDesc {
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long long lpvBuff; /* address of transfer area (for 64 or 32 bit) */
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unsigned int dwLength; /* length of the area */
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TBLOCKENTRY wAreaNum; /* number of transfer area to set up */
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short eSize; /* element size - is tohost flag for circular */
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} TRANSFERDESC;
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typedef TRANSFERDESC *LPTRANSFERDESC;
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typedef struct TransferEvent {
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unsigned int dwStart; /* offset into the area */
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unsigned int dwLength; /* length of the region */
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unsigned short wAreaNum; /* the area number */
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unsigned short wFlags; /* bit 0 set for toHost */
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int iSetEvent; /* could be dummy in LINUX */
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} TRANSFEREVENT;
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#define MAX_TRANSFER_SIZE 0x4000 /* Maximum data bytes per IRP */
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#define MAX_AREA_LENGTH 0x100000 /* Maximum size of transfer area */
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#define MAX_TRANSAREAS 8 /* definitions for dma set up */
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typedef struct TGetSelfTest {
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int code; /* self-test error code */
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int x, y; /* additional information */
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} TGET_SELFTEST;
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/* Debug block used for several commands. Not all fields are used for all commands. */
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typedef struct TDbgBlock {
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int iAddr; /* the address in the 1401 */
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int iRepeats; /* number of repeats */
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int iWidth; /* width in bytes 1, 2, 4 */
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int iDefault; /* default value */
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int iMask; /* mask to apply */
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int iData; /* data for poke, result for peek */
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} TDBGBLOCK;
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/* Used to collect information about a circular block from the device driver */
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typedef struct TCircBlock {
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unsigned int nArea; /* the area to collect information from */
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unsigned int dwOffset; /* offset into the area to the available block */
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unsigned int dwSize; /* size of the area */
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} TCIRCBLOCK;
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/* Used to clollect the 1401 status */
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typedef struct TCSBlock {
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unsigned int uiState;
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unsigned int uiError;
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} TCSBLOCK;
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/*
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* As seen by the user, an ioctl call looks like: int ioctl(int fd, unsigned
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* long cmd, char* argp); We will then have all sorts of variants on this that
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* can be used to pass stuff to our driver. We will generate macros for each
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* type of call so as to provide some sort of type safety in the calling:
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*/
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#define CED_MAGIC_IOC 0xce
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/* NBNB: READ and WRITE are from the point of view of the device, not user. */
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typedef struct ced_ioc_string {
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int nChars;
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char buffer[256];
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} CED_IOC_STRING;
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#define IOCTL_CED_SENDSTRING(n) _IOC(_IOC_WRITE, CED_MAGIC_IOC, 2, n)
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#define IOCTL_CED_RESET1401 _IO(CED_MAGIC_IOC, 3)
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#define IOCTL_CED_GETCHAR _IO(CED_MAGIC_IOC, 4)
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#define IOCTL_CED_SENDCHAR _IO(CED_MAGIC_IOC, 5)
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#define IOCTL_CED_STAT1401 _IO(CED_MAGIC_IOC, 6)
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#define IOCTL_CED_LINECOUNT _IO(CED_MAGIC_IOC, 7)
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#define IOCTL_CED_GETSTRING(nMax) _IOC(_IOC_READ, CED_MAGIC_IOC, 8, nMax)
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#define IOCTL_CED_SETTRANSFER _IOW(CED_MAGIC_IOC, 11, TRANSFERDESC)
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#define IOCTL_CED_UNSETTRANSFER _IO(CED_MAGIC_IOC, 12)
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#define IOCTL_CED_SETEVENT _IOW(CED_MAGIC_IOC, 13, TRANSFEREVENT)
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#define IOCTL_CED_GETOUTBUFSPACE _IO(CED_MAGIC_IOC, 14)
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#define IOCTL_CED_GETBASEADDRESS _IO(CED_MAGIC_IOC, 15)
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#define IOCTL_CED_GETDRIVERREVISION _IO(CED_MAGIC_IOC, 16)
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#define IOCTL_CED_GETTRANSFER _IOR(CED_MAGIC_IOC, 17, TGET_TX_BLOCK)
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#define IOCTL_CED_KILLIO1401 _IO(CED_MAGIC_IOC, 18)
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#define IOCTL_CED_BLKTRANSSTATE _IO(CED_MAGIC_IOC, 19)
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#define IOCTL_CED_STATEOF1401 _IO(CED_MAGIC_IOC, 23)
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#define IOCTL_CED_GRAB1401 _IO(CED_MAGIC_IOC, 25)
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#define IOCTL_CED_FREE1401 _IO(CED_MAGIC_IOC, 26)
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#define IOCTL_CED_STARTSELFTEST _IO(CED_MAGIC_IOC, 31)
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#define IOCTL_CED_CHECKSELFTEST _IOR(CED_MAGIC_IOC, 32, TGET_SELFTEST)
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#define IOCTL_CED_TYPEOF1401 _IO(CED_MAGIC_IOC, 33)
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#define IOCTL_CED_TRANSFERFLAGS _IO(CED_MAGIC_IOC, 34)
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#define IOCTL_CED_DBGPEEK _IOW(CED_MAGIC_IOC, 35, TDBGBLOCK)
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#define IOCTL_CED_DBGPOKE _IOW(CED_MAGIC_IOC, 36, TDBGBLOCK)
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#define IOCTL_CED_DBGRAMPDATA _IOW(CED_MAGIC_IOC, 37, TDBGBLOCK)
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#define IOCTL_CED_DBGRAMPADDR _IOW(CED_MAGIC_IOC, 38, TDBGBLOCK)
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#define IOCTL_CED_DBGGETDATA _IOR(CED_MAGIC_IOC, 39, TDBGBLOCK)
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#define IOCTL_CED_DBGSTOPLOOP _IO(CED_MAGIC_IOC, 40)
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#define IOCTL_CED_FULLRESET _IO(CED_MAGIC_IOC, 41)
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#define IOCTL_CED_SETCIRCULAR _IOW(CED_MAGIC_IOC, 42, TRANSFERDESC)
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#define IOCTL_CED_GETCIRCBLOCK _IOWR(CED_MAGIC_IOC, 43, TCIRCBLOCK)
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#define IOCTL_CED_FREECIRCBLOCK _IOWR(CED_MAGIC_IOC, 44, TCIRCBLOCK)
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#define IOCTL_CED_WAITEVENT _IO(CED_MAGIC_IOC, 45)
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#define IOCTL_CED_TESTEVENT _IO(CED_MAGIC_IOC, 46)
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#ifndef __KERNEL__
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/*
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* If nothing said about return value, it is a U14ERR_... error code
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* (U14ERR_NOERROR for none)
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*/
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inline int CED_SendString(int fh, const char *szText, int n)
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{
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return ioctl(fh, IOCTL_CED_SENDSTRING(n), szText);
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}
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inline int CED_Reset1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_RESET1401);
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}
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/* Return the singe character or a -ve error code. */
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inline int CED_GetChar(int fh)
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{
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return ioctl(fh, IOCTL_CED_GETCHAR);
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}
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/* Return character count in input buffer */
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inline int CED_Stat1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_STAT1401);
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}
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inline int CED_SendChar(int fh, char c)
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{
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return ioctl(fh, IOCTL_CED_SENDCHAR, c);
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}
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inline int CED_LineCount(int fh)
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{
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return ioctl(fh, IOCTL_CED_LINECOUNT);
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}
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/*
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* return the count of characters returned. If the string was terminated by CR
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* or 0, then the 0 is part of the count. Otherwise, we will add a zero if
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* there is room, but it is not included in the count. The return value is 0
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* if there was nothing to read.
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*/
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inline int CED_GetString(int fh, char *szText, int nMax)
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{
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return ioctl(fh, IOCTL_CED_GETSTRING(nMax), szText);
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}
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/* returns space in the output buffer. */
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inline int CED_GetOutBufSpace(int fh)
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{
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return ioctl(fh, IOCTL_CED_GETOUTBUFSPACE);
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}
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/* This always returns -1 as not implemented. */
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inline int CED_GetBaseAddress(int fh)
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{
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return ioctl(fh, IOCTL_CED_GETBASEADDRESS);
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}
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/* returns the major revision <<16 | minor revision. */
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inline int CED_GetDriverRevision(int fh)
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{
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return ioctl(fh, IOCTL_CED_GETDRIVERREVISION);
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}
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inline int CED_SetTransfer(int fh, TRANSFERDESC *pTD)
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{
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return ioctl(fh, IOCTL_CED_SETTRANSFER, pTD);
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}
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inline int CED_UnsetTransfer(int fh, int nArea)
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{
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return ioctl(fh, IOCTL_CED_UNSETTRANSFER, nArea);
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}
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inline int CED_SetEvent(int fh, TRANSFEREVENT *pTE)
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{
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return ioctl(fh, IOCTL_CED_SETEVENT, pTE);
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}
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inline int CED_GetTransfer(int fh, TGET_TX_BLOCK *pTX)
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{
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return ioctl(fh, IOCTL_CED_GETTRANSFER, pTX);
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}
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inline int CED_KillIO1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_KILLIO1401);
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}
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/* returns 0 if no active DMA, 1 if active */
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inline int CED_BlkTransState(int fh)
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{
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return ioctl(fh, IOCTL_CED_BLKTRANSSTATE);
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}
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inline int CED_StateOf1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_STATEOF1401);
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}
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inline int CED_Grab1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_GRAB1401);
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}
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inline int CED_Free1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_FREE1401);
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}
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inline int CED_StartSelfTest(int fh)
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{
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return ioctl(fh, IOCTL_CED_STARTSELFTEST);
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}
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inline int CED_CheckSelfTest(int fh, TGET_SELFTEST *pGST)
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{
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return ioctl(fh, IOCTL_CED_CHECKSELFTEST, pGST);
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}
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inline int CED_TypeOf1401(int fh)
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{
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return ioctl(fh, IOCTL_CED_TYPEOF1401);
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}
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inline int CED_TransferFlags(int fh)
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{
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return ioctl(fh, IOCTL_CED_TRANSFERFLAGS);
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}
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inline int CED_DbgPeek(int fh, TDBGBLOCK *pDB)
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{
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return ioctl(fh, IOCTL_CED_DBGPEEK, pDB);
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}
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inline int CED_DbgPoke(int fh, TDBGBLOCK *pDB)
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{
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return ioctl(fh, IOCTL_CED_DBGPOKE, pDB);
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}
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inline int CED_DbgRampData(int fh, TDBGBLOCK *pDB)
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{
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return ioctl(fh, IOCTL_CED_DBGRAMPDATA, pDB);
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}
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inline int CED_DbgRampAddr(int fh, TDBGBLOCK *pDB)
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{
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return ioctl(fh, IOCTL_CED_DBGRAMPADDR, pDB);
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}
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inline int CED_DbgGetData(int fh, TDBGBLOCK *pDB)
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{
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return ioctl(fh, IOCTL_CED_DBGGETDATA, pDB);
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}
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inline int CED_DbgStopLoop(int fh)
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{
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return ioctl(fh, IOCTL_CED_DBGSTOPLOOP);
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}
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inline int CED_FullReset(int fh)
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{
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return ioctl(fh, IOCTL_CED_FULLRESET);
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}
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inline int CED_SetCircular(int fh, TRANSFERDESC *pTD)
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{
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return ioctl(fh, IOCTL_CED_SETCIRCULAR, pTD);
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}
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inline int CED_GetCircBlock(int fh, TCIRCBLOCK *pCB)
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{
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return ioctl(fh, IOCTL_CED_GETCIRCBLOCK, pCB);
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}
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inline int CED_FreeCircBlock(int fh, TCIRCBLOCK *pCB)
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{
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return ioctl(fh, IOCTL_CED_FREECIRCBLOCK, pCB);
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}
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inline int CED_WaitEvent(int fh, int nArea, int msTimeOut)
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{
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return ioctl(fh, IOCTL_CED_WAITEVENT, (nArea & 0xff)|(msTimeOut << 8));
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}
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inline int CED_TestEvent(int fh, int nArea)
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{
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return ioctl(fh, IOCTL_CED_TESTEVENT, nArea);
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}
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#endif
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#ifdef NOTWANTEDYET
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#define IOCTL_CED_REGCALLBACK _IO(CED_MAGIC_IOC, 9) /* Not used */
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#define IOCTL_CED_GETMONITORBUF _IO(CED_MAGIC_IOC, 10) /* Not used */
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#define IOCTL_CED_BYTECOUNT _IO(CED_MAGIC_IOC, 20) /* Not used */
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#define IOCTL_CED_ZEROBLOCKCOUNT _IO(CED_MAGIC_IOC, 21) /* Not used */
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#define IOCTL_CED_STOPCIRCULAR _IO(CED_MAGIC_IOC, 22) /* Not used */
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#define IOCTL_CED_REGISTERS1401 _IO(CED_MAGIC_IOC, 24) /* Not used */
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#define IOCTL_CED_STEP1401 _IO(CED_MAGIC_IOC, 27) /* Not used */
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#define IOCTL_CED_SET1401REGISTERS _IO(CED_MAGIC_IOC, 28) /* Not used */
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#define IOCTL_CED_STEPTILL1401 _IO(CED_MAGIC_IOC, 29) /* Not used */
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#define IOCTL_CED_SETORIN _IO(CED_MAGIC_IOC, 30) /* Not used */
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#endif
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/* __CED_IOCTL_H__ */
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#endif
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