drivers/gpu/drm/nouveau/nvkm/engine/ce/gf100.c

   1 /*
   2  * Copyright 2012 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 "priv.h"
  25 #include "fuc/gf100.fuc3.h"
  26
  27 #include <nvif/class.h>
  28
  29 static void
  30 gf100_ce_init(struct nvkm_falcon *ce)
  31 {
  32         struct nvkm_device *device = ce->engine.subdev.device;
  33         const int index = ce->engine.subdev.index - NVKM_ENGINE_CE0;
  34         nvkm_wr32(device, ce->addr + 0x084, index);
  35 }
  36
  37 static const struct nvkm_falcon_func
  38 gf100_ce0 = {
  39         .code.data = gf100_ce_code,
  40         .code.size = sizeof(gf100_ce_code),
  41         .data.data = gf100_ce_data,
  42         .data.size = sizeof(gf100_ce_data),
  43         .init = gf100_ce_init,
  44         .intr = gt215_ce_intr,
  45         .sclass = {
  46                 { -1, -1, FERMI_DMA },
  47                 {}
  48         }
  49 };
  50
  51 static const struct nvkm_falcon_func
  52 gf100_ce1 = {
  53         .code.data = gf100_ce_code,
  54         .code.size = sizeof(gf100_ce_code),
  55         .data.data = gf100_ce_data,
  56         .data.size = sizeof(gf100_ce_data),
  57         .init = gf100_ce_init,
  58         .intr = gt215_ce_intr,
  59         .sclass = {
  60                 { -1, -1, FERMI_DECOMPRESS },
  61                 {}
  62         }
  63 };
  64
  65 int
  66 gf100_ce_new(struct nvkm_device *device, int index,
  67              struct nvkm_engine **pengine)
  68 {
  69         if (index == NVKM_ENGINE_CE0) {
  70                 return nvkm_falcon_new_(&gf100_ce0, device, index, true,
  71                                         0x104000, pengine);
  72         } else
  73         if (index == NVKM_ENGINE_CE1) {
  74                 return nvkm_falcon_new_(&gf100_ce1, device, index, true,
  75                                         0x105000, pengine);
  76         }
  77         return -ENODEV;
  78 }