1 /*
2 * Copyright (C) 2010 Splitted-Desktop Systems. All Rights Reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <dlfcn.h>
29 #include <X11/Xlib.h>
30
31 #define ADL_OK 0
32 #define ADL_MAX_PATH 256
33
34 /*
35 * Based on public AMD Display Library (ADL) SDK:
36 * <http://developer.amd.com/gpu/adlsdk/Pages/default.aspx>
37 */
38 typedef struct AdapterInfo {
39 int iSize;
40 int iAdapterIndex;
41 char strUDID[ADL_MAX_PATH];
42 int iBusNumber;
43 int iDeviceNumber;
44 int iFunctionNumber;
45 int iVendorID;
46 char strAdapterName[ADL_MAX_PATH];
47 char strDisplayName[ADL_MAX_PATH];
48 int iPresent;
49 int iXScreenNum;
50 int iDrvIndex;
51 char strXScreenConfigName[ADL_MAX_PATH];
52 } AdapterInfo, *LPAdapterInfo;
53
54 typedef struct XScreenInfo {
55 int iXScreenNum;
56 char strXScreenConfigName[ADL_MAX_PATH];
57 } XScreenInfo, *LPXScreenInfo;
58
59 typedef void *(*ADL_MAIN_MALLOC_CALLBACK)(int);
60 typedef int (*ADL_MAIN_CONTROL_CREATE)(ADL_MAIN_MALLOC_CALLBACK, int);
61 typedef int (*ADL_MAIN_CONTROL_DESTROY)(void);
62 typedef int (*ADL_ADAPTER_NUMBEROFADAPTERS_GET)(int *);
63 typedef int (*ADL_ADAPTER_ADAPTERINFO_GET)(LPAdapterInfo, int);
64 typedef int (*ADL_ADAPTER_XSCREENINFO_GET)(LPXScreenInfo, int);
65
ADL_Main_Memory_Alloc(int iSize)66 static void *ADL_Main_Memory_Alloc(int iSize)
67 {
68 return malloc(iSize);
69 }
70
ADL_Main_Memory_Free(void * arg)71 static void ADL_Main_Memory_Free(void *arg)
72 {
73 void ** const lpBuffer = arg;
74
75 if (lpBuffer && *lpBuffer) {
76 free(*lpBuffer);
77 *lpBuffer = NULL;
78 }
79 }
80
get_display_name_length(const char * name)81 static int get_display_name_length(const char *name)
82 {
83 const char *m;
84
85 if (!name)
86 return 0;
87
88 /* Strip out screen number */
89 m = strchr(name, ':');
90 if (m) {
91 m = strchr(m, '.');
92 if (m)
93 return m - name;
94 }
95 return strlen(name);
96 }
97
match_display_name(Display * x11_dpy,const char * display_name)98 static int match_display_name(Display *x11_dpy, const char *display_name)
99 {
100 Display *test_dpy;
101 char *test_dpy_name, *x11_dpy_name;
102 int test_dpy_namelen, x11_dpy_namelen;
103 int m;
104
105 test_dpy = XOpenDisplay(display_name);
106 if (!test_dpy)
107 return 0;
108
109 test_dpy_name = XDisplayString(test_dpy);
110 test_dpy_namelen = get_display_name_length(test_dpy_name);
111 x11_dpy_name = XDisplayString(x11_dpy);
112 x11_dpy_namelen = get_display_name_length(x11_dpy_name);
113
114 m = (test_dpy_namelen == x11_dpy_namelen &&
115 (test_dpy_namelen == 0 ||
116 (test_dpy_namelen > 0 &&
117 strncmp(test_dpy_name, x11_dpy_name, test_dpy_namelen) == 0)));
118
119 XCloseDisplay(test_dpy);
120 return m;
121 }
122
VA_FGLRXGetClientDriverName(Display * dpy,int screen,int * ddxDriverMajorVersion,int * ddxDriverMinorVersion,int * ddxDriverPatchVersion,char ** clientDriverName)123 Bool VA_FGLRXGetClientDriverName( Display *dpy, int screen,
124 int *ddxDriverMajorVersion, int *ddxDriverMinorVersion,
125 int *ddxDriverPatchVersion, char **clientDriverName )
126 {
127 ADL_MAIN_CONTROL_CREATE ADL_Main_Control_Create;
128 ADL_MAIN_CONTROL_DESTROY ADL_Main_Control_Destroy;
129 ADL_ADAPTER_NUMBEROFADAPTERS_GET ADL_Adapter_NumberOfAdapters_Get;
130 ADL_ADAPTER_ADAPTERINFO_GET ADL_Adapter_AdapterInfo_Get;
131 ADL_ADAPTER_XSCREENINFO_GET ADL_Adapter_XScreenInfo_Get;
132
133 LPAdapterInfo lpAdapterInfo = NULL;
134 LPXScreenInfo lpXScreenInfo = NULL;
135 void *libadl_handle = NULL;
136 Bool success = False;
137 int is_adl_initialized = 0;
138 int i, num_adapters, lpAdapterInfo_size, lpXScreenInfo_size;
139
140 if (ddxDriverMajorVersion)
141 *ddxDriverMajorVersion = 0;
142 if (ddxDriverMinorVersion)
143 *ddxDriverMinorVersion = 0;
144 if (ddxDriverPatchVersion)
145 *ddxDriverPatchVersion = 0;
146 if (clientDriverName)
147 *clientDriverName = NULL;
148
149 libadl_handle = dlopen("libatiadlxx.so", RTLD_LAZY|RTLD_GLOBAL);
150 if (!libadl_handle)
151 goto end;
152
153 dlerror();
154 ADL_Main_Control_Create = (ADL_MAIN_CONTROL_CREATE)
155 dlsym(libadl_handle,"ADL_Main_Control_Create");
156 if (dlerror() || !ADL_Main_Control_Create)
157 goto end;
158
159 ADL_Main_Control_Destroy = (ADL_MAIN_CONTROL_DESTROY)
160 dlsym(libadl_handle,"ADL_Main_Control_Destroy");
161 if (dlerror() || !ADL_Main_Control_Destroy)
162 goto end;
163
164 ADL_Adapter_NumberOfAdapters_Get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET)
165 dlsym(libadl_handle,"ADL_Adapter_NumberOfAdapters_Get");
166 if (dlerror() || !ADL_Adapter_NumberOfAdapters_Get)
167 goto end;
168
169 ADL_Adapter_AdapterInfo_Get = (ADL_ADAPTER_ADAPTERINFO_GET)
170 dlsym(libadl_handle,"ADL_Adapter_AdapterInfo_Get");
171 if (dlerror() || !ADL_Adapter_AdapterInfo_Get)
172 goto end;
173
174 ADL_Adapter_XScreenInfo_Get = (ADL_ADAPTER_XSCREENINFO_GET)
175 dlsym(libadl_handle,"ADL_Adapter_XScreenInfo_Get");
176 if (dlerror() || !ADL_Adapter_XScreenInfo_Get)
177 goto end;
178
179 if (ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1) != ADL_OK)
180 goto end;
181 is_adl_initialized = 1;
182
183 if (ADL_Adapter_NumberOfAdapters_Get(&num_adapters) != ADL_OK)
184 goto end;
185 if (num_adapters <= 0)
186 goto end;
187
188 lpAdapterInfo_size = num_adapters * sizeof(*lpAdapterInfo);
189 lpAdapterInfo = ADL_Main_Memory_Alloc(lpAdapterInfo_size);
190 if (!lpAdapterInfo)
191 goto end;
192 memset(lpAdapterInfo, 0, lpAdapterInfo_size);
193
194 for (i = 0; i < num_adapters; i++)
195 lpAdapterInfo[i].iSize = sizeof(lpAdapterInfo[i]);
196
197 lpXScreenInfo_size = num_adapters * sizeof(*lpXScreenInfo);
198 lpXScreenInfo = ADL_Main_Memory_Alloc(lpXScreenInfo_size);
199 if (!lpXScreenInfo)
200 goto end;
201 memset(lpXScreenInfo, 0, lpXScreenInfo_size);
202
203 if (ADL_Adapter_AdapterInfo_Get(lpAdapterInfo, lpAdapterInfo_size) != ADL_OK)
204 goto end;
205
206 if (ADL_Adapter_XScreenInfo_Get(lpXScreenInfo, lpXScreenInfo_size) != ADL_OK)
207 goto end;
208
209 for (i = 0; i < num_adapters; i++) {
210 LPXScreenInfo const lpCurrXScreenInfo = &lpXScreenInfo[i];
211 LPAdapterInfo const lpCurrAdapterInfo = &lpAdapterInfo[i];
212 if (!lpCurrAdapterInfo->iPresent)
213 continue;
214 #if 0
215 printf("Adapter %d:\n", i);
216 printf(" iAdapterIndex: %d\n", lpCurrAdapterInfo->iAdapterIndex);
217 printf(" strUDID: '%s'\n", lpCurrAdapterInfo->strUDID);
218 printf(" iBusNumber: %d\n", lpCurrAdapterInfo->iBusNumber);
219 printf(" iDeviceNumber: %d\n", lpCurrAdapterInfo->iDeviceNumber);
220 printf(" iFunctionNumber: %d\n", lpCurrAdapterInfo->iFunctionNumber);
221 printf(" iVendorID: 0x%04x\n", lpCurrAdapterInfo->iVendorID);
222 printf(" strAdapterName: '%s'\n", lpCurrAdapterInfo->strAdapterName);
223 printf(" strDisplayName: '%s'\n", lpCurrAdapterInfo->strDisplayName);
224 printf(" iPresent: %d\n", lpCurrAdapterInfo->iPresent);
225 printf(" iXScreenNum: %d\n", lpCurrXScreenInfo->iXScreenNum);
226 #endif
227 if (screen == lpCurrXScreenInfo->iXScreenNum &&
228 match_display_name(dpy, lpCurrAdapterInfo->strDisplayName)) {
229 if (clientDriverName)
230 *clientDriverName = strdup("fglrx");
231 success = True;
232 break;
233 }
234 }
235
236 end:
237 if (lpXScreenInfo)
238 ADL_Main_Memory_Free(&lpXScreenInfo);
239 if (lpAdapterInfo)
240 ADL_Main_Memory_Free(&lpAdapterInfo);
241 if (is_adl_initialized)
242 ADL_Main_Control_Destroy();
243 if (libadl_handle)
244 dlclose(libadl_handle);
245 return success;
246 }
247