2 * Parallel-port device support
7 #include "debugtools.h"
9 DEFAULT_DEBUG_CHANNEL(int);
14 #include <sys/types.h>
17 #include <sys/ioctl.h>
19 #include <linux/ppdev.h>
25 typedef struct _PPDEVICESTRUCT{
26 int fd; /* NULL if device not available */
28 int userbase; /* where wine thinks the ports are*/
29 DWORD lastaccess; /* or NULL if release */
30 int timeout; /* time in second of inactivity to release the port*/
33 static PPDeviceStruct PPDeviceList[5];
34 static int PPDeviceNum=0;
36 static int IO_pp_sort(const void *p1,const void *p2)
38 return ((PPDeviceStruct*)p1)->userbase - ((PPDeviceStruct*)p2)->userbase;
43 * Read the ppdev entries from wine.conf, open the device and check
44 * for nescessary IOCTRL
45 * Report verbose about possible errors
53 int i,idx=0,fd,res,userbase,nports=0;
59 if (RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ppdev", &hkey ) != ERROR_SUCCESS)
64 DWORD type, count = sizeof(buffer), name_len = sizeof(name);
66 if (RegEnumValueA( hkey, idx, name, &name_len, NULL, &type, buffer, &count )!= ERROR_SUCCESS)
72 FIXME("Make the PPDeviceList larger then 5 elements\n");
75 TRACE("Device '%s' at virtual userbase '%s'\n", buffer,name);
76 timeout = strchr(buffer,',');
79 fd=open(buffer,O_RDWR);
83 WARN("Configuration: No access to %s Cause: %s\n",buffer,strerror(lasterror));
84 WARN("Rejecting configuration item\n");
85 if (lasterror == ENODEV)
86 FIXME("Is the ppdev module loaded?\n");
89 userbase = strtol(name,(char **)NULL, 16);
92 WARN("Configuration: Invalid base %s for %s\n",name,buffer);
93 WARN("Rejecting configuration item\n");
96 if (ioctl (fd,PPEXCL,0))
98 ERR("PPEXCL IOCTL rejected for device %s\n",buffer);
99 ERR("Check that PPDEV module is loaded!\n");
100 ERR("Perhaps the device is already in use or non-existant\n");
103 if (ioctl (fd,PPCLAIM,0))
105 ERR("PPCLAIM rejected %s\n",buffer);
106 ERR("Perhaps the device is already in use or non-existant\n");
111 for (i=0; i<= nports; i++)
113 if (PPDeviceList[i].userbase == userbase)
115 WARN("Configuration: %s uses the same virtual ports as %s\n",
116 buffer,PPDeviceList[0].devicename);
117 WARN("Configuration: Rejecting configuration item");
122 if (!userbase) continue;
124 /* Check for the minimum required IOCTLS */
125 if ((ioctl(fd,PPRDATA,&res))||
126 (ioctl(fd,PPRCONTROL,&res))||
127 (ioctl(fd,PPRCONTROL,&res)))
129 ERR("PPUSER IOCTL not available for parport device %s\n",temp);
132 PPDeviceList[nports].devicename = malloc(sizeof(buffer)+1);
133 if (!PPDeviceList[nports].devicename)
135 ERR("No (more)space for devicename\n");
138 strcpy(PPDeviceList[nports].devicename,buffer);
139 PPDeviceList[nports].fd = fd;
140 PPDeviceList[nports].userbase = userbase;
141 PPDeviceList[nports].lastaccess=GetTickCount();
144 PPDeviceList[nports].timeout = strtol(timeout,(char **)NULL, 10);
147 WARN("Configuration:Invalid timeout %s in configuration for %s, Setting to 0\n",
149 PPDeviceList[nports].timeout = 0;
153 PPDeviceList[nports].timeout = 0;
156 TRACE("found %d ports\n",nports);
161 /* sort in accending order for userbase for faster access*/
162 qsort (PPDeviceList,PPDeviceNum,sizeof(PPDeviceStruct),IO_pp_sort);
166 for (idx= 0;idx<PPDeviceNum; idx++)
167 TRACE("found device %s userbase %x fd %x timeout %d\n",
168 PPDeviceList[idx].devicename, PPDeviceList[idx].userbase,
169 PPDeviceList[idx].fd,PPDeviceList[idx].timeout);
171 register a timer callback perhaps every 30 second to release unused ports
172 Set lastaccess = 0 as indicator when port was released
179 * Do the actual IOCTL
180 * Return NULL on success
182 static int IO_pp_do_access(int idx,int ppctl, DWORD* res)
184 if (!PPDeviceList[idx].lastaccess)
185 /* TIMER callback has released the device after some time of inactivity
187 !!!!!!THIS MAY UNINTERRUPTIPLE BLOCK IF SOME OTHER DEVICE
188 !!!!!! HAS CLAIMED THE SAME PORT
190 if (ioctl(PPDeviceList[idx].fd,PPCLAIM,0))
192 ERR("Can't reclaim device %s, PPUSER/PPDEV handling confused\n",
193 PPDeviceList[idx].devicename);
196 PPDeviceList[idx].lastaccess=GetTickCount();
197 return ioctl(PPDeviceList[idx].fd,ppctl,res);
202 * Check if we can satisfy the INP command with some of the configured PPDEV deviced
203 * Return NULL on success
205 int IO_pp_inp(int port, DWORD* res)
209 for (idx=0;idx<PPDeviceNum ;idx++)
211 j = port - PPDeviceList[idx].userbase;
216 return IO_pp_do_access(idx,PPRDATA,res);
218 return IO_pp_do_access(idx,PPRSTATUS,res);
220 return IO_pp_do_access(idx,PPRCONTROL,res);
226 FIXME("Port 0x%x not accessible for reading with ppdev\n",port);
227 FIXME("If this is causing problems, try direct port access\n");
238 * Check if we can satisfy the INP command with some of the configured PPDEV deviced
239 * Return NULL on success
241 BOOL IO_pp_outp(int port, DWORD* res)
245 for (idx=0;idx<PPDeviceNum ;idx++)
247 j = port - PPDeviceList[idx].userbase;
252 return IO_pp_do_access(idx,PPWDATA,res);
254 return IO_pp_do_access(idx,PPWCONTROL,res);
261 FIXME("Port %d not accessible for writing with ppdev\n",port);
262 FIXME("If this is causing problems, try direct port access\n");
272 #else /* HAVE_PPDEV */
274 char IO_pp_init(void)
279 int IO_pp_inp(int port, DWORD* res)
284 BOOL IO_pp_outp(int port, DWORD* res)
288 #endif /* HAVE_PPDEV */