drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.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
  26 static const struct nvkm_mc_map
  27 nv50_mc_intr[] = {
  28         { 0x04000000, NVKM_ENGINE_DISP },
  29         { 0x00001000, NVKM_ENGINE_GR },
  30         { 0x00000100, NVKM_ENGINE_FIFO },
  31         { 0x00000001, NVKM_ENGINE_MPEG },
  32         { 0x00001101, NVKM_SUBDEV_FB },
  33         { 0x10000000, NVKM_SUBDEV_BUS },
  34         { 0x00200000, NVKM_SUBDEV_GPIO },
  35         { 0x00200000, NVKM_SUBDEV_I2C },
  36         { 0x00100000, NVKM_SUBDEV_TIMER },
  37         {},
  38 };
  39
  40 void
  41 nv50_mc_init(struct nvkm_mc *mc)
  42 {
  43         struct nvkm_device *device = mc->subdev.device;
  44         nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
  45 }
  46
  47 static const struct nvkm_mc_func
  48 nv50_mc = {
  49         .init = nv50_mc_init,
  50         .intr = nv50_mc_intr,
  51         .intr_unarm = nv04_mc_intr_unarm,
  52         .intr_rearm = nv04_mc_intr_rearm,
  53         .intr_stat = nv04_mc_intr_stat,
  54         .reset = nv17_mc_reset,
  55 };
  56
  57 int
  58 nv50_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
  59 {
  60         return nvkm_mc_new_(&nv50_mc, device, index, pmc);
  61 }