text: /*
   * Copyright 2013 Red Hat Inc.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   *
   * Authors: Ben Skeggs
   */
  #include "ramnv40.h"
  
  int
  nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
  {
  	struct nvkm_device *device = fb->subdev.device;
  	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
  	u32 fb474 = nvkm_rd32(device, 0x100474);
  	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
  
  	if (fb474 & 0x00000004)
  		type = NVKM_RAM_TYPE_GDDR3;
  	if (fb474 & 0x00000002)
  		type = NVKM_RAM_TYPE_DDR2;
  	if (fb474 & 0x00000001)
  		type = NVKM_RAM_TYPE_DDR1;
  
  	return nv40_ram_new_(fb, type, size, pram);
  }
  