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 "sysdeps.h"
26
27 #ifdef HAVE_FGLRX
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <dlfcn.h>
33 #include <X11/Xlib.h>
34 #include "va_fglrx.h"
35
36 #define ADL_OK 0
37 #define ADL_MAX_PATH 256
38
39 /*
40 * Based on public AMD Display Library (ADL) SDK:
41 * <http://developer.amd.com/gpu/adlsdk/Pages/default.aspx>
42 */
43 typedef struct AdapterInfo {
44 int iSize;
45 int iAdapterIndex;
46 char strUDID[ADL_MAX_PATH];
47 int iBusNumber;
48 int iDeviceNumber;
49 int iFunctionNumber;
50 int iVendorID;
51 char strAdapterName[ADL_MAX_PATH];
52 char strDisplayName[ADL_MAX_PATH];
53 int iPresent;
54 int iXScreenNum;
55 int iDrvIndex;
56 char strXScreenConfigName[ADL_MAX_PATH];
57 } AdapterInfo, *LPAdapterInfo;
58
59 typedef struct XScreenInfo {
60 int iXScreenNum;
61 char strXScreenConfigName[ADL_MAX_PATH];
62 } XScreenInfo, *LPXScreenInfo;
63
64 typedef void *(*ADL_MAIN_MALLOC_CALLBACK)(int);
65 typedef int (*ADL_MAIN_CONTROL_CREATE)(ADL_MAIN_MALLOC_CALLBACK, int);
66 typedef int (*ADL_MAIN_CONTROL_DESTROY)(void);
67 typedef int (*ADL_ADAPTER_NUMBEROFADAPTERS_GET)(int *);
68 typedef int (*ADL_ADAPTER_ADAPTERINFO_GET)(LPAdapterInfo, int);
69 typedef int (*ADL_ADAPTER_XSCREENINFO_GET)(LPXScreenInfo, int);
70
ADL_Main_Memory_Alloc(int iSize)71 static void *ADL_Main_Memory_Alloc(int iSize)
72 {
73 return malloc(iSize);
74 }
75
ADL_Main_Memory_Free(void * arg)76 static void ADL_Main_Memory_Free(void *arg)
77 {
78 void ** const lpBuffer = arg;
79
80 if (lpBuffer && *lpBuffer) {
81 free(*lpBuffer);
82 *lpBuffer = NULL;
83 }
84 }
85
get_display_name_length(const char * name)86 static int get_display_name_length(const char *name)
87 {
88 const char *m;
89
90 if (!name)
91 return 0;
92
93 /* Strip out screen number */
94 m = strchr(name, ':');
95 if (m) {
96 m = strchr(m, '.');
97 if (m)
98 return m - name;
99 }
100 return strlen(name);
101 }
102
match_display_name(Display * x11_dpy,const char * display_name)103 static int match_display_name(Display *x11_dpy, const char *display_name)
104 {
105 Display *test_dpy;
106 char *test_dpy_name, *x11_dpy_name;
107 int test_dpy_namelen, x11_dpy_namelen;
108 int m;
109
110 test_dpy = XOpenDisplay(display_name);
111 if (!test_dpy)
112 return 0;
113
114 test_dpy_name = XDisplayString(test_dpy);
115 test_dpy_namelen = get_display_name_length(test_dpy_name);
116 x11_dpy_name = XDisplayString(x11_dpy);
117 x11_dpy_namelen = get_display_name_length(x11_dpy_name);
118
119 m = (test_dpy_namelen == x11_dpy_namelen &&
120 (test_dpy_namelen == 0 ||
121 (test_dpy_namelen > 0 &&
122 strncmp(test_dpy_name, x11_dpy_name, test_dpy_namelen) == 0)));
123
124 XCloseDisplay(test_dpy);
125 return m;
126 }
127
VA_FGLRXGetClientDriverName(Display * dpy,int screen,char ** clientDriverName)128 static Bool VA_FGLRXGetClientDriverName(Display *dpy, int screen, char **clientDriverName)
129 {
130 ADL_MAIN_CONTROL_CREATE ADL_Main_Control_Create;
131 ADL_MAIN_CONTROL_DESTROY ADL_Main_Control_Destroy;
132 ADL_ADAPTER_NUMBEROFADAPTERS_GET ADL_Adapter_NumberOfAdapters_Get;
133 ADL_ADAPTER_ADAPTERINFO_GET ADL_Adapter_AdapterInfo_Get;
134 ADL_ADAPTER_XSCREENINFO_GET ADL_Adapter_XScreenInfo_Get;
135
136 LPAdapterInfo lpAdapterInfo = NULL;
137 LPXScreenInfo lpXScreenInfo = NULL;
138 void *libadl_handle = NULL;
139 Bool success = False;
140 int is_adl_initialized = 0;
141 int i, num_adapters, lpAdapterInfo_size, lpXScreenInfo_size;
142
143 libadl_handle = dlopen("libatiadlxx.so", RTLD_LAZY | RTLD_GLOBAL);
144 if (!libadl_handle)
145 goto end;
146
147 dlerror();
148 ADL_Main_Control_Create = (ADL_MAIN_CONTROL_CREATE)
149 dlsym(libadl_handle, "ADL_Main_Control_Create");
150 if (dlerror())
151 goto end;
152
153 ADL_Main_Control_Destroy = (ADL_MAIN_CONTROL_DESTROY)
154 dlsym(libadl_handle, "ADL_Main_Control_Destroy");
155 if (dlerror())
156 goto end;
157
158 ADL_Adapter_NumberOfAdapters_Get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET)
159 dlsym(libadl_handle, "ADL_Adapter_NumberOfAdapters_Get");
160 if (dlerror())
161 goto end;
162
163 ADL_Adapter_AdapterInfo_Get = (ADL_ADAPTER_ADAPTERINFO_GET)
164 dlsym(libadl_handle, "ADL_Adapter_AdapterInfo_Get");
165 if (dlerror())
166 goto end;
167
168 ADL_Adapter_XScreenInfo_Get = (ADL_ADAPTER_XSCREENINFO_GET)
169 dlsym(libadl_handle, "ADL_Adapter_XScreenInfo_Get");
170 if (dlerror())
171 goto end;
172
173 if (ADL_Main_Control_Create(ADL_Main_Memory_Alloc, 1) != ADL_OK)
174 goto end;
175 is_adl_initialized = 1;
176
177 if (ADL_Adapter_NumberOfAdapters_Get(&num_adapters) != ADL_OK)
178 goto end;
179 if (num_adapters <= 0)
180 goto end;
181
182 lpAdapterInfo_size = num_adapters * sizeof(*lpAdapterInfo);
183 lpAdapterInfo = ADL_Main_Memory_Alloc(lpAdapterInfo_size);
184 if (!lpAdapterInfo)
185 goto end;
186 memset(lpAdapterInfo, 0, lpAdapterInfo_size);
187
188 for (i = 0; i < num_adapters; i++)
189 lpAdapterInfo[i].iSize = sizeof(lpAdapterInfo[i]);
190
191 lpXScreenInfo_size = num_adapters * sizeof(*lpXScreenInfo);
192 lpXScreenInfo = ADL_Main_Memory_Alloc(lpXScreenInfo_size);
193 if (!lpXScreenInfo)
194 goto end;
195 memset(lpXScreenInfo, 0, lpXScreenInfo_size);
196
197 if (ADL_Adapter_AdapterInfo_Get(lpAdapterInfo, lpAdapterInfo_size) != ADL_OK)
198 goto end;
199
200 if (ADL_Adapter_XScreenInfo_Get(lpXScreenInfo, lpXScreenInfo_size) != ADL_OK)
201 goto end;
202
203 for (i = 0; i < num_adapters; i++) {
204 LPXScreenInfo const lpCurrXScreenInfo = &lpXScreenInfo[i];
205 LPAdapterInfo const lpCurrAdapterInfo = &lpAdapterInfo[i];
206 if (!lpCurrAdapterInfo->iPresent)
207 continue;
208 #if 0
209 printf("Adapter %d:\n", i);
210 printf(" iAdapterIndex: %d\n", lpCurrAdapterInfo->iAdapterIndex);
211 printf(" strUDID: '%s'\n", lpCurrAdapterInfo->strUDID);
212 printf(" iBusNumber: %d\n", lpCurrAdapterInfo->iBusNumber);
213 printf(" iDeviceNumber: %d\n", lpCurrAdapterInfo->iDeviceNumber);
214 printf(" iFunctionNumber: %d\n", lpCurrAdapterInfo->iFunctionNumber);
215 printf(" iVendorID: 0x%04x\n", lpCurrAdapterInfo->iVendorID);
216 printf(" strAdapterName: '%s'\n", lpCurrAdapterInfo->strAdapterName);
217 printf(" strDisplayName: '%s'\n", lpCurrAdapterInfo->strDisplayName);
218 printf(" iPresent: %d\n", lpCurrAdapterInfo->iPresent);
219 printf(" iXScreenNum: %d\n", lpCurrXScreenInfo->iXScreenNum);
220 #endif
221 if (screen == lpCurrXScreenInfo->iXScreenNum &&
222 match_display_name(dpy, lpCurrAdapterInfo->strDisplayName)) {
223 *clientDriverName = strdup("fglrx");
224 success = !!(*clientDriverName);
225 break;
226 }
227 }
228
229 end:
230 if (lpXScreenInfo)
231 ADL_Main_Memory_Free(&lpXScreenInfo);
232 if (lpAdapterInfo)
233 ADL_Main_Memory_Free(&lpAdapterInfo);
234 if (is_adl_initialized)
235 ADL_Main_Control_Destroy();
236 if (libadl_handle)
237 dlclose(libadl_handle);
238 return success;
239 }
240
va_FGLRX_GetDriverNames(VADisplayContextP pDisplayContext,char ** drivers,unsigned * num_drivers)241 VAStatus va_FGLRX_GetDriverNames(
242 VADisplayContextP pDisplayContext,
243 char **drivers,
244 unsigned *num_drivers
245 )
246 {
247 VADriverContextP ctx = pDisplayContext->pDriverContext;
248 if (!VA_FGLRXGetClientDriverName(ctx->native_dpy, ctx->x11_screen,
249 drivers))
250 return VA_STATUS_ERROR_UNKNOWN;
251
252 *num_drivers = 1;
253 return VA_STATUS_SUCCESS;
254 }
255
256 #endif
257