Commit | Line | Data |
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abbca718 LOK |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
b492c10e | 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
abbca718 LOK |
5 | * libCEC(R) is an original work, containing original code. |
6 | * | |
7 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
8 | * | |
9 | * This program is dual-licensed; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
22 | * | |
23 | * | |
24 | * Alternatively, you can license this library under a commercial license, | |
25 | * please contact Pulse-Eight Licensing for more information. | |
26 | * | |
27 | * For more information contact: | |
28 | * Pulse-Eight Licensing <license@pulse-eight.com> | |
29 | * http://www.pulse-eight.com/ | |
30 | * http://www.pulse-eight.net/ | |
31 | */ | |
32 | ||
7bb4ed43 | 33 | #include "USBCECAdapterDetection.h" |
ba65909d | 34 | #include "../platform/util/StdString.h" |
a58d63d2 | 35 | |
6df2c52f | 36 | #if defined(__APPLE__) |
37 | #include <dirent.h> | |
38 | #include <sys/param.h> | |
39 | #include <IOKit/IOKitLib.h> | |
40 | #include <IOKit/IOMessage.h> | |
41 | #include <IOKit/IOCFPlugIn.h> | |
42 | #include <IOKit/usb/IOUSBLib.h> | |
43 | #include <IOKit/serial/IOSerialKeys.h> | |
44 | #include <CoreFoundation/CoreFoundation.h> | |
42c02563 | 45 | #elif defined(__WINDOWS__) |
4d760b54 LOK |
46 | #pragma comment(lib, "advapi32.lib") |
47 | #pragma comment(lib, "setupapi.lib") | |
a58d63d2 LOK |
48 | #include <setupapi.h> |
49 | ||
50 | // the virtual COM port only shows up when requesting devices with the raw device guid! | |
51 | static GUID USB_RAW_GUID = { 0xA5DCBF10, 0x6530, 0x11D2, { 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED } }; | |
42c02563 LOK |
52 | #elif defined(HAVE_LIBUDEV) |
53 | #include <dirent.h> | |
42c02563 | 54 | #include <poll.h> |
5fa3eb86 LOK |
55 | extern "C" { |
56 | #include <libudev.h> | |
57 | } | |
5458fd77 F |
58 | #elif defined(__FreeBSD__) |
59 | #include <stdio.h> | |
60 | #include <unistd.h> | |
abbca718 | 61 | #endif |
abbca718 LOK |
62 | |
63 | #define CEC_VID 0x2548 | |
64 | #define CEC_PID 0x1001 | |
65 | ||
66 | using namespace CEC; | |
67 | using namespace std; | |
68 | ||
42c02563 | 69 | #if defined(HAVE_LIBUDEV) |
abbca718 LOK |
70 | bool TranslateComPort(CStdString &strString) |
71 | { | |
72 | CStdString strTmp(strString); | |
73 | strTmp.MakeReverse(); | |
74 | int iSlash = strTmp.Find('/'); | |
75 | if (iSlash >= 0) | |
76 | { | |
77 | strTmp = strTmp.Left(iSlash); | |
78 | strTmp.MakeReverse(); | |
79 | strString.Format("%s/%s:1.0/tty", strString.c_str(), strTmp.c_str()); | |
80 | return true; | |
81 | } | |
82 | ||
83 | return false; | |
84 | } | |
85 | ||
86 | bool FindComPort(CStdString &strLocation) | |
87 | { | |
88 | CStdString strPort = strLocation; | |
89 | bool bReturn(!strPort.IsEmpty()); | |
90 | CStdString strConfigLocation(strLocation); | |
91 | if (TranslateComPort(strConfigLocation)) | |
92 | { | |
93 | DIR *dir; | |
94 | struct dirent *dirent; | |
95 | if((dir = opendir(strConfigLocation.c_str())) == NULL) | |
96 | return bReturn; | |
97 | ||
98 | while ((dirent = readdir(dir)) != NULL) | |
99 | { | |
100 | if(strcmp((char*)dirent->d_name, "." ) != 0 && strcmp((char*)dirent->d_name, ".." ) != 0) | |
101 | { | |
102 | strPort.Format("/dev/%s", dirent->d_name); | |
103 | if (!strPort.IsEmpty()) | |
104 | { | |
105 | strLocation = strPort; | |
106 | bReturn = true; | |
107 | break; | |
108 | } | |
109 | } | |
110 | } | |
111 | closedir(dir); | |
112 | } | |
113 | ||
114 | return bReturn; | |
115 | } | |
116 | #endif | |
117 | ||
7bb4ed43 | 118 | uint8_t CUSBCECAdapterDetection::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */) |
abbca718 | 119 | { |
25701fa6 | 120 | uint8_t iFound(0); |
abbca718 | 121 | |
6df2c52f | 122 | #if defined(__APPLE__) |
123 | kern_return_t kresult; | |
124 | char bsdPath[MAXPATHLEN] = {0}; | |
125 | io_iterator_t serialPortIterator; | |
126 | ||
127 | CFMutableDictionaryRef classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue); | |
128 | if (classesToMatch) | |
129 | { | |
130 | CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey), CFSTR(kIOSerialBSDModemType)); | |
131 | kresult = IOServiceGetMatchingServices(kIOMasterPortDefault, classesToMatch, &serialPortIterator); | |
132 | if (kresult == KERN_SUCCESS) | |
133 | { | |
134 | io_object_t serialService; | |
135 | while ((serialService = IOIteratorNext(serialPortIterator))) | |
136 | { | |
137 | int iVendor = 0, iProduct = 0; | |
138 | CFTypeRef bsdPathAsCFString; | |
139 | ||
140 | // fetch the device path. | |
141 | bsdPathAsCFString = IORegistryEntryCreateCFProperty(serialService, | |
142 | CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0); | |
143 | if (bsdPathAsCFString) | |
144 | { | |
145 | // convert the path from a CFString to a C (NUL-terminated) string. | |
146 | CFStringGetCString((CFStringRef)bsdPathAsCFString, bsdPath, MAXPATHLEN - 1, kCFStringEncodingUTF8); | |
147 | CFRelease(bsdPathAsCFString); | |
148 | ||
149 | // now walk up the hierarchy until we find the entry with vendor/product IDs | |
150 | io_registry_entry_t parent; | |
151 | CFTypeRef vendorIdAsCFNumber = NULL; | |
152 | CFTypeRef productIdAsCFNumber = NULL; | |
153 | kern_return_t kresult = IORegistryEntryGetParentEntry(serialService, kIOServicePlane, &parent); | |
154 | while (kresult == KERN_SUCCESS) | |
155 | { | |
156 | vendorIdAsCFNumber = IORegistryEntrySearchCFProperty(parent, | |
157 | kIOServicePlane, CFSTR(kUSBVendorID), kCFAllocatorDefault, 0); | |
158 | productIdAsCFNumber = IORegistryEntrySearchCFProperty(parent, | |
159 | kIOServicePlane, CFSTR(kUSBProductID), kCFAllocatorDefault, 0); | |
160 | if (vendorIdAsCFNumber && productIdAsCFNumber) | |
161 | { | |
162 | CFNumberGetValue((CFNumberRef)vendorIdAsCFNumber, kCFNumberIntType, &iVendor); | |
163 | CFRelease(vendorIdAsCFNumber); | |
164 | CFNumberGetValue((CFNumberRef)productIdAsCFNumber, kCFNumberIntType, &iProduct); | |
165 | CFRelease(productIdAsCFNumber); | |
166 | IOObjectRelease(parent); | |
167 | break; | |
168 | } | |
169 | io_registry_entry_t oldparent = parent; | |
170 | kresult = IORegistryEntryGetParentEntry(parent, kIOServicePlane, &parent); | |
171 | IOObjectRelease(oldparent); | |
172 | } | |
173 | if (strlen(bsdPath) && iVendor == CEC_VID && iProduct == CEC_PID) | |
174 | { | |
175 | if (!strDevicePath || !strcmp(bsdPath, strDevicePath)) | |
176 | { | |
177 | // on darwin, the device path is the same as the comm path. | |
178 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", bsdPath); | |
179 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", bsdPath); | |
180 | } | |
181 | } | |
182 | } | |
183 | IOObjectRelease(serialService); | |
184 | } | |
185 | } | |
186 | IOObjectRelease(serialPortIterator); | |
187 | } | |
42c02563 | 188 | #elif defined(HAVE_LIBUDEV) |
abbca718 LOK |
189 | struct udev *udev; |
190 | if (!(udev = udev_new())) | |
191 | return -1; | |
192 | ||
193 | struct udev_enumerate *enumerate; | |
194 | struct udev_list_entry *devices, *dev_list_entry; | |
25701fa6 | 195 | struct udev_device *dev, *pdev; |
abbca718 LOK |
196 | enumerate = udev_enumerate_new(udev); |
197 | udev_enumerate_scan_devices(enumerate); | |
198 | devices = udev_enumerate_get_list_entry(enumerate); | |
199 | udev_list_entry_foreach(dev_list_entry, devices) | |
200 | { | |
201 | const char *strPath; | |
202 | strPath = udev_list_entry_get_name(dev_list_entry); | |
203 | ||
204 | dev = udev_device_new_from_syspath(udev, strPath); | |
205 | if (!dev) | |
206 | continue; | |
207 | ||
25701fa6 LOK |
208 | pdev = udev_device_get_parent(udev_device_get_parent(dev)); |
209 | if (!pdev || !udev_device_get_sysattr_value(pdev,"idVendor") || !udev_device_get_sysattr_value(pdev, "idProduct")) | |
abbca718 LOK |
210 | { |
211 | udev_device_unref(dev); | |
212 | continue; | |
213 | } | |
214 | ||
215 | int iVendor, iProduct; | |
25701fa6 LOK |
216 | sscanf(udev_device_get_sysattr_value(pdev, "idVendor"), "%x", &iVendor); |
217 | sscanf(udev_device_get_sysattr_value(pdev, "idProduct"), "%x", &iProduct); | |
abbca718 LOK |
218 | if (iVendor == CEC_VID && iProduct == CEC_PID) |
219 | { | |
25701fa6 LOK |
220 | CStdString strPath(udev_device_get_syspath(pdev)); |
221 | if (!strDevicePath || !strcmp(strPath.c_str(), strDevicePath)) | |
abbca718 | 222 | { |
25701fa6 LOK |
223 | CStdString strComm(strPath); |
224 | if (FindComPort(strComm)) | |
225 | { | |
226 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", strPath.c_str()); | |
227 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", strComm.c_str()); | |
228 | } | |
abbca718 LOK |
229 | } |
230 | } | |
231 | udev_device_unref(dev); | |
232 | } | |
233 | ||
234 | udev_enumerate_unref(enumerate); | |
235 | udev_unref(udev); | |
42c02563 | 236 | #elif defined(__WINDOWS__) |
a58d63d2 LOK |
237 | HDEVINFO hDevHandle; |
238 | DWORD required = 0, iMemberIndex = 0; | |
239 | int nBufferSize = 0; | |
240 | ||
241 | SP_DEVICE_INTERFACE_DATA deviceInterfaceData; | |
242 | deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); | |
243 | ||
244 | SP_DEVINFO_DATA devInfoData; | |
245 | devInfoData.cbSize = sizeof(SP_DEVINFO_DATA); | |
246 | ||
247 | if ((hDevHandle = SetupDiGetClassDevs(&USB_RAW_GUID, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE)) == INVALID_HANDLE_VALUE) | |
248 | return iFound; | |
249 | ||
250 | BOOL bResult = true; | |
251 | TCHAR *buffer = NULL; | |
252 | PSP_DEVICE_INTERFACE_DETAIL_DATA devicedetailData; | |
25701fa6 | 253 | while(bResult && iFound < iBufSize) |
a58d63d2 LOK |
254 | { |
255 | bResult = SetupDiEnumDeviceInfo(hDevHandle, iMemberIndex, &devInfoData); | |
256 | ||
257 | if (bResult) | |
258 | bResult = SetupDiEnumDeviceInterfaces(hDevHandle, 0, &USB_RAW_GUID, iMemberIndex, &deviceInterfaceData); | |
259 | ||
260 | if(!bResult) | |
261 | { | |
262 | SetupDiDestroyDeviceInfoList(hDevHandle); | |
263 | delete []buffer; | |
264 | buffer = NULL; | |
265 | return iFound; | |
266 | } | |
267 | ||
268 | iMemberIndex++; | |
269 | BOOL bDetailResult = false; | |
270 | { | |
271 | // As per MSDN, Get the required buffer size. Call SetupDiGetDeviceInterfaceDetail with a | |
272 | // NULL DeviceInterfaceDetailData pointer, a DeviceInterfaceDetailDataSize of zero, | |
273 | // and a valid RequiredSize variable. In response to such a call, this function returns | |
274 | // the required buffer size at RequiredSize and fails with GetLastError returning | |
275 | // ERROR_INSUFFICIENT_BUFFER. | |
276 | // Allocate an appropriately sized buffer and call the function again to get the interface details. | |
277 | ||
278 | SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, NULL, 0, &required, NULL); | |
279 | ||
280 | buffer = new TCHAR[required]; | |
281 | devicedetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA) buffer; | |
282 | devicedetailData->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA); | |
283 | nBufferSize = required; | |
284 | } | |
285 | ||
286 | bDetailResult = SetupDiGetDeviceInterfaceDetail(hDevHandle, &deviceInterfaceData, devicedetailData, nBufferSize , &required, NULL); | |
287 | if(!bDetailResult) | |
288 | continue; | |
289 | ||
b824eadc LOK |
290 | if (strDevicePath && strcmp(strDevicePath, devicedetailData->DevicePath) != 0) |
291 | continue; | |
292 | ||
a58d63d2 LOK |
293 | CStdString strVendorId; |
294 | CStdString strProductId; | |
295 | CStdString strTmp(devicedetailData->DevicePath); | |
25701fa6 LOK |
296 | strVendorId.assign(strTmp.substr(strTmp.Find("vid_") + 4, 4)); |
297 | strProductId.assign(strTmp.substr(strTmp.Find("pid_") + 4, 4)); | |
a58d63d2 LOK |
298 | if (strTmp.Find("&mi_") >= 0 && strTmp.Find("&mi_00") < 0) |
299 | continue; | |
300 | ||
301 | int iVendor, iProduct; | |
302 | sscanf(strVendorId, "%x", &iVendor); | |
303 | sscanf(strProductId, "%x", &iProduct); | |
304 | if (iVendor != CEC_VID || iProduct != CEC_PID) | |
305 | continue; | |
306 | ||
307 | HKEY hDeviceKey = SetupDiOpenDevRegKey(hDevHandle, &devInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE); | |
308 | if (!hDeviceKey) | |
309 | continue; | |
310 | ||
311 | TCHAR strPortName[256]; | |
312 | strPortName[0] = _T('\0'); | |
313 | DWORD dwSize = sizeof(strPortName); | |
314 | DWORD dwType = 0; | |
315 | ||
316 | /* search the registry */ | |
317 | if ((RegQueryValueEx(hDeviceKey, _T("PortName"), NULL, &dwType, reinterpret_cast<LPBYTE>(strPortName), &dwSize) == ERROR_SUCCESS) && (dwType == REG_SZ)) | |
318 | { | |
319 | if (_tcslen(strPortName) > 3 && _tcsnicmp(strPortName, _T("COM"), 3) == 0 && | |
320 | _ttoi(&(strPortName[3])) > 0) | |
321 | { | |
25701fa6 LOK |
322 | snprintf(deviceList[iFound ].path, sizeof(deviceList[iFound].path), "%s", devicedetailData->DevicePath); |
323 | snprintf(deviceList[iFound++].comm, sizeof(deviceList[iFound].path), "%s", strPortName); | |
a58d63d2 LOK |
324 | } |
325 | } | |
326 | ||
327 | RegCloseKey(hDeviceKey); | |
328 | } | |
5458fd77 F |
329 | #elif defined(__FreeBSD__) |
330 | char devicePath[PATH_MAX + 1]; | |
331 | int i; | |
332 | ||
333 | for (i = 0; i < 8; ++i) | |
334 | { | |
335 | (void)snprintf(devicePath, sizeof(devicePath), "/dev/ttyU%d", i); | |
336 | if (!access(devicePath, 0)) | |
337 | { | |
338 | snprintf(deviceList[iFound].path, sizeof(deviceList[iFound].path), "%s", devicePath); | |
339 | snprintf(deviceList[iFound].comm, sizeof(deviceList[iFound].path), "%s", devicePath); | |
340 | ++iFound; | |
341 | } | |
342 | } | |
abbca718 LOK |
343 | #endif |
344 | ||
1de6617c LOK |
345 | iBufSize = 0; /* silence "unused" warning on linux/osx */ |
346 | ||
abbca718 LOK |
347 | return iFound; |
348 | } |