drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgm107.c

   1 /*
   2  * Copyright 2013 Red Hat Inc.
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24 #include "ram.h"
  25
  26 u32
  27 gm107_ram_probe_fbp(const struct nvkm_ram_func *func,
  28                     struct nvkm_device *device, int fbp, int *pltcs)
  29 {
  30         u32 fbpao = nvkm_rd32(device, 0x021c14);
  31         return func->probe_fbp_amount(func, fbpao, device, fbp, pltcs);
  32 }
  33
  34 static const struct nvkm_ram_func
  35 gm107_ram = {
  36         .upper = 0x1000000000ULL,
  37         .probe_fbp = gm107_ram_probe_fbp,
  38         .probe_fbp_amount = gf108_ram_probe_fbp_amount,
  39         .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
  40         .dtor = gk104_ram_dtor,
  41         .init = gk104_ram_init,
  42         .calc = gk104_ram_calc,
  43         .prog = gk104_ram_prog,
  44         .tidy = gk104_ram_tidy,
  45 };
  46
  47 int
  48 gm107_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
  49 {
  50         return gk104_ram_new_(&gm107_ram, fb, pram);
  51 }