src/gallium/targets/d3dadapter9/drm.c

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 /* XXX: header order is slightly screwy here */
  24 #include "loader.h"
  25
  26 #include "adapter9.h"
  27
  28 #include "pipe-loader/pipe_loader.h"
  29
  30 #include "pipe/p_screen.h"
  31 #include "pipe/p_state.h"
  32
  33 #include "target-helpers/drm_helper.h"
  34 #include "state_tracker/drm_driver.h"
  35
  36 #include "d3dadapter/d3dadapter9.h"
  37 #include "d3dadapter/drm.h"
  38
  39 #include "xmlconfig.h"
  40 #include "xmlpool.h"
  41
  42 #include <drm.h>
  43 #include <sys/ioctl.h>
  44 #include <fcntl.h>
  45 #include <stdio.h>
  46
  47 #define DBG_CHANNEL DBG_ADAPTER
  48
  49 const char __driConfigOptionsNine[] =
  50 DRI_CONF_BEGIN
  51     DRI_CONF_SECTION_PERFORMANCE
  52          DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
  53     DRI_CONF_SECTION_END
  54     DRI_CONF_SECTION_NINE
  55         DRI_CONF_NINE_THROTTLE(-2)
  56         DRI_CONF_NINE_THREADSUBMIT("false")
  57     DRI_CONF_SECTION_END
  58 DRI_CONF_END;
  59
  60 /* define fallback value here: NVIDIA GeForce GTX 970 */
  61 #define FALLBACK_NAME "NV124"
  62 #define FALLBACK_DEVID 0x13C2
  63 #define FALLBACK_VENID 0x10de
  64
  65 /* prototypes */
  66 void
  67 d3d_match_vendor_id( D3DADAPTER_IDENTIFIER9* drvid,
  68                 unsigned fallback_ven,
  69                 unsigned fallback_dev,
  70                 const char* fallback_name );
  71
  72 void d3d_fill_driver_version(D3DADAPTER_IDENTIFIER9* drvid);
  73
  74 void d3d_fill_cardname(D3DADAPTER_IDENTIFIER9* drvid);
  75
  76 struct d3dadapter9drm_context
  77 {
  78     struct d3dadapter9_context base;
  79     struct pipe_loader_device *dev, *swdev;
  80     int fd;
  81 };
  82
  83 static void
  84 drm_destroy( struct d3dadapter9_context *ctx )
  85 {
  86     struct d3dadapter9drm_context *drm = (struct d3dadapter9drm_context *)ctx;
  87
  88     if (ctx->ref)
  89         ctx->ref->destroy(ctx->ref);
  90     /* because ref is a wrapper around hal, freeing ref frees hal too. */
  91     else if (ctx->hal)
  92         ctx->hal->destroy(ctx->hal);
  93
  94     if (drm->swdev)
  95         pipe_loader_release(&drm->swdev, 1);
  96     if (drm->dev)
  97         pipe_loader_release(&drm->dev, 1);
  98
  99     close(drm->fd);
 100     FREE(ctx);
 101 }
 102
 103 static inline void
 104 get_bus_info( int fd,
 105               DWORD *vendorid,
 106               DWORD *deviceid,
 107               DWORD *subsysid,
 108               DWORD *revision )
 109 {
 110     int vid, did;
 111
 112     if (loader_get_pci_id_for_fd(fd, &vid, &did)) {
 113         DBG("PCI info: vendor=0x%04x, device=0x%04x\n",
 114             vid, did);
 115         *vendorid = vid;
 116         *deviceid = did;
 117         *subsysid = 0;
 118         *revision = 0;
 119     } else {
 120         DBG("Unable to detect card. Faking %s\n", FALLBACK_NAME);
 121         *vendorid = FALLBACK_VENID;
 122         *deviceid = FALLBACK_DEVID;
 123         *subsysid = 0;
 124         *revision = 0;
 125     }
 126 }
 127
 128 static inline void
 129 read_descriptor( struct d3dadapter9_context *ctx,
 130                  int fd )
 131 {
 132     D3DADAPTER_IDENTIFIER9 *drvid = &ctx->identifier;
 133
 134     memset(drvid, 0, sizeof(*drvid));
 135     get_bus_info(fd, &drvid->VendorId, &drvid->DeviceId,
 136                  &drvid->SubSysId, &drvid->Revision);
 137     snprintf(drvid->DeviceName, sizeof(drvid->DeviceName),
 138                  "Gallium 0.4 with %s", ctx->hal->get_vendor(ctx->hal));
 139     strncpy(drvid->Description, ctx->hal->get_name(ctx->hal),
 140                  sizeof(drvid->Description));
 141
 142     /* choose fall-back vendor if necessary to allow
 143      * the following functions to return sane results */
 144     d3d_match_vendor_id(drvid, FALLBACK_VENID, FALLBACK_DEVID, FALLBACK_NAME);
 145     /* fill in driver name and version info */
 146     d3d_fill_driver_version(drvid);
 147     /* override Description field with Windows like names */
 148     d3d_fill_cardname(drvid);
 149
 150     /* this driver isn't WHQL certified */
 151     drvid->WHQLLevel = 0;
 152
 153     /* this value is fixed */
 154     drvid->DeviceIdentifier.Data1 = 0xaeb2cdd4;
 155     drvid->DeviceIdentifier.Data2 = 0x6e41;
 156     drvid->DeviceIdentifier.Data3 = 0x43ea;
 157     drvid->DeviceIdentifier.Data4[0] = 0x94;
 158     drvid->DeviceIdentifier.Data4[1] = 0x1c;
 159     drvid->DeviceIdentifier.Data4[2] = 0x83;
 160     drvid->DeviceIdentifier.Data4[3] = 0x61;
 161     drvid->DeviceIdentifier.Data4[4] = 0xcc;
 162     drvid->DeviceIdentifier.Data4[5] = 0x76;
 163     drvid->DeviceIdentifier.Data4[6] = 0x07;
 164     drvid->DeviceIdentifier.Data4[7] = 0x81;
 165 }
 166
 167 static HRESULT WINAPI
 168 drm_create_adapter( int fd,
 169                     ID3DAdapter9 **ppAdapter )
 170 {
 171     struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
 172     HRESULT hr;
 173     int different_device;
 174     const struct drm_conf_ret *throttle_ret = NULL;
 175     const struct drm_conf_ret *dmabuf_ret = NULL;
 176     driOptionCache defaultInitOptions;
 177     driOptionCache userInitOptions;
 178     int throttling_value_user = -2;
 179
 180     if (!ctx) { return E_OUTOFMEMORY; }
 181
 182     ctx->base.destroy = drm_destroy;
 183
 184     /* Although the fd is provided from external source, mesa/nine
 185      * takes ownership of it. */
 186     fd = loader_get_user_preferred_fd(fd, &different_device);
 187     ctx->fd = fd;
 188     ctx->base.linear_framebuffer = !!different_device;
 189
 190     if (!pipe_loader_drm_probe_fd(&ctx->dev, fd)) {
 191         ERR("Failed to probe drm fd %d.\n", fd);
 192         FREE(ctx);
 193         close(fd);
 194         return D3DERR_DRIVERINTERNALERROR;
 195     }
 196
 197     ctx->base.hal = pipe_loader_create_screen(ctx->dev);
 198     if (!ctx->base.hal) {
 199         ERR("Unable to load requested driver.\n");
 200         drm_destroy(&ctx->base);
 201         return D3DERR_DRIVERINTERNALERROR;
 202     }
 203
 204     dmabuf_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_SHARE_FD);
 205     throttle_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_THROTTLE);
 206     if (!dmabuf_ret || !dmabuf_ret->val.val_bool) {
 207         ERR("The driver is not capable of dma-buf sharing."
 208             "Abandon to load nine state tracker\n");
 209         drm_destroy(&ctx->base);
 210         return D3DERR_DRIVERINTERNALERROR;
 211     }
 212
 213     if (throttle_ret && throttle_ret->val.val_int != -1) {
 214         ctx->base.throttling = TRUE;
 215         ctx->base.throttling_value = throttle_ret->val.val_int;
 216     } else
 217         ctx->base.throttling = FALSE;
 218
 219     driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
 220     driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "nine");
 221     if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
 222         throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
 223         if (throttling_value_user == -1)
 224             ctx->base.throttling = FALSE;
 225         else if (throttling_value_user >= 0) {
 226             ctx->base.throttling = TRUE;
 227             ctx->base.throttling_value = throttling_value_user;
 228         }
 229     }
 230
 231     if (driCheckOption(&userInitOptions, "vblank_mode", DRI_ENUM))
 232         ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
 233     else
 234         ctx->base.vblank_mode = 1;
 235
 236     if (driCheckOption(&userInitOptions, "thread_submit", DRI_BOOL)) {
 237         ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit");
 238         if (ctx->base.thread_submit && (throttling_value_user == -2 || throttling_value_user == 0)) {
 239             ctx->base.throttling_value = 0;
 240         } else if (ctx->base.thread_submit) {
 241             DBG("You have set a non standard throttling value in combination with thread_submit."
 242                 "We advise to use a throttling value of -2/0");
 243         }
 244         if (ctx->base.thread_submit && !different_device)
 245             DBG("You have set thread_submit but do not use a different device than the server."
 246                 "You should not expect any benefit.");
 247     }
 248
 249     driDestroyOptionCache(&userInitOptions);
 250     driDestroyOptionInfo(&defaultInitOptions);
 251
 252     /* wrap it to create a software screen that can share resources */
 253     if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
 254         ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
 255
 256     if (!ctx->base.ref) {
 257         ERR("Couldn't wrap drm screen to swrast screen. Software devices "
 258             "will be unavailable.\n");
 259     }
 260
 261     /* read out PCI info */
 262     read_descriptor(&ctx->base, fd);
 263
 264     /* create and return new ID3DAdapter9 */
 265     hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
 266     if (FAILED(hr)) {
 267         drm_destroy(&ctx->base);
 268         return hr;
 269     }
 270
 271     return D3D_OK;
 272 }
 273
 274 const struct D3DAdapter9DRM drm9_desc = {
 275     .major_version = D3DADAPTER9DRM_MAJOR,
 276     .minor_version = D3DADAPTER9DRM_MINOR,
 277     .create_adapter = drm_create_adapter
 278 };