va/x11/va_fglrx.c

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