src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c

   1 #include "pipe/p_context.h"
   2 #include "pipe/p_state.h"
   3 #include "util/u_format.h"
   4 #include "util/u_memory.h"
   5 #include "util/u_inlines.h"
   6
   7 #include "nouveau_drm_winsys.h"
   8 #include "nouveau_drm_public.h"
   9
  10 #include "nouveau_drmif.h"
  11 #include "nouveau_channel.h"
  12 #include "nouveau_bo.h"
  13
  14 #include "nouveau/nouveau_winsys.h"
  15 #include "nouveau/nouveau_screen.h"
  16
  17 static void
  18 nouveau_drm_destroy_winsys(struct pipe_winsys *s)
  19 {
  20         struct nouveau_winsys *nv_winsys = nouveau_winsys(s);
  21         struct nouveau_screen *nv_screen= nouveau_screen(nv_winsys->pscreen);
  22         if (nv_screen)
  23                 nouveau_device_close(&nv_screen->device);
  24         FREE(nv_winsys);
  25 }
  26
  27 struct pipe_screen *
  28 nouveau_drm_screen_create(int fd)
  29 {
  30         struct nouveau_winsys *nvws;
  31         struct pipe_winsys *ws;
  32         struct nouveau_device *dev = NULL;
  33         struct pipe_screen *(*init)(struct pipe_winsys *,
  34                                     struct nouveau_device *);
  35         int ret;
  36
  37         ret = nouveau_device_open_existing(&dev, 0, fd, 0);
  38         if (ret)
  39                 return NULL;
  40
  41         switch (dev->chipset & 0xf0) {
  42         case 0x30:
  43         case 0x40:
  44         case 0x60:
  45                 init = nvfx_screen_create;
  46                 break;
  47         case 0x50:
  48         case 0x80:
  49         case 0x90:
  50         case 0xa0:
  51                 init = nv50_screen_create;
  52                 break;
  53         default:
  54                 debug_printf("%s: unknown chipset nv%02x\n", __func__,
  55                              dev->chipset);
  56                 return NULL;
  57         }
  58
  59         nvws = CALLOC_STRUCT(nouveau_winsys);
  60         if (!nvws) {
  61                 nouveau_device_close(&dev);
  62                 return NULL;
  63         }
  64         ws = &nvws->base;
  65         ws->destroy = nouveau_drm_destroy_winsys;
  66
  67         nvws->pscreen = init(ws, dev);
  68         if (!nvws->pscreen) {
  69                 ws->destroy(ws);
  70                 return NULL;
  71         }
  72
  73         return nvws->pscreen;
  74 }