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 "nv04.h"
  25
  26 #include <core/device.h>
  27
  28 const struct nvkm_mc_intr
  29 nv50_mc_intr[] = {
  30         { 0x04000000, NVDEV_ENGINE_DISP },  /* DISP before FIFO, so pageflip-timestamping works! */
  31         { 0x00000001, NVDEV_ENGINE_MPEG },
  32         { 0x00000100, NVDEV_ENGINE_FIFO },
  33         { 0x00001000, NVDEV_ENGINE_GR },
  34         { 0x00004000, NVDEV_ENGINE_CIPHER },    /* NV84- */
  35         { 0x00008000, NVDEV_ENGINE_BSP },       /* NV84- */
  36         { 0x00020000, NVDEV_ENGINE_VP },        /* NV84- */
  37         { 0x00100000, NVDEV_SUBDEV_TIMER },
  38         { 0x00200000, NVDEV_SUBDEV_GPIO },      /* PMGR->GPIO */
  39         { 0x00200000, NVDEV_SUBDEV_I2C },       /* PMGR->I2C/AUX */
  40         { 0x10000000, NVDEV_SUBDEV_BUS },
  41         { 0x80000000, NVDEV_ENGINE_SW },
  42         { 0x0002d101, NVDEV_SUBDEV_FB },
  43         {},
  44 };
  45
  46 static void
  47 nv50_mc_msi_rearm(struct nvkm_mc *pmc)
  48 {
  49         struct nvkm_device *device = nv_device(pmc);
  50         pci_write_config_byte(device->pdev, 0x68, 0xff);
  51 }
  52
  53 int
  54 nv50_mc_init(struct nvkm_object *object)
  55 {
  56         struct nv04_mc_priv *priv = (void *)object;
  57         nv_wr32(priv, 0x000200, 0xffffffff); /* everything on */
  58         return nvkm_mc_init(&priv->base);
  59 }
  60
  61 struct nvkm_oclass *
  62 nv50_mc_oclass = &(struct nvkm_mc_oclass) {
  63         .base.handle = NV_SUBDEV(MC, 0x50),
  64         .base.ofuncs = &(struct nvkm_ofuncs) {
  65                 .ctor = nv04_mc_ctor,
  66                 .dtor = _nvkm_mc_dtor,
  67                 .init = nv50_mc_init,
  68                 .fini = _nvkm_mc_fini,
  69         },
  70         .intr = nv50_mc_intr,
  71         .msi_rearm = nv50_mc_msi_rearm,
  72 }.base;