drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c

   1 /*
   2  * Copyright 2016 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 "gk104.h"
  25 #include "changk104.h"
  26
  27 #include <subdev/fault.h>
  28
  29 #include <nvif/class.h>
  30
  31 const struct nvkm_enum
  32 gp100_fifo_fault_engine[] = {
  33         { 0x01, "DISPLAY" },
  34         { 0x03, "IFB", NULL, NVKM_ENGINE_IFB },
  35         { 0x04, "BAR1", NULL, NVKM_SUBDEV_BAR },
  36         { 0x05, "BAR2", NULL, NVKM_SUBDEV_INSTMEM },
  37         { 0x06, "HOST0", NULL, NVKM_ENGINE_FIFO },
  38         { 0x07, "HOST1", NULL, NVKM_ENGINE_FIFO },
  39         { 0x08, "HOST2", NULL, NVKM_ENGINE_FIFO },
  40         { 0x09, "HOST3", NULL, NVKM_ENGINE_FIFO },
  41         { 0x0a, "HOST4", NULL, NVKM_ENGINE_FIFO },
  42         { 0x0b, "HOST5", NULL, NVKM_ENGINE_FIFO },
  43         { 0x0c, "HOST6", NULL, NVKM_ENGINE_FIFO },
  44         { 0x0d, "HOST7", NULL, NVKM_ENGINE_FIFO },
  45         { 0x0e, "HOST8", NULL, NVKM_ENGINE_FIFO },
  46         { 0x0f, "HOST9", NULL, NVKM_ENGINE_FIFO },
  47         { 0x10, "HOST10", NULL, NVKM_ENGINE_FIFO },
  48         { 0x13, "PERF" },
  49         { 0x17, "PMU" },
  50         { 0x18, "PTP" },
  51         { 0x1f, "PHYSICAL" },
  52         {}
  53 };
  54
  55 void
  56 gp100_fifo_intr_fault(struct nvkm_fifo *fifo, int unit)
  57 {
  58         struct nvkm_device *device = fifo->engine.subdev.device;
  59         u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
  60         u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
  61         u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
  62         u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
  63         struct nvkm_fault_data info;
  64
  65         info.inst   =  (u64)inst << 12;
  66         info.addr   = ((u64)vahi << 32) | valo;
  67         info.time   = 0;
  68         info.engine = unit;
  69         info.valid  = 1;
  70         info.gpc    = (type & 0x1f000000) >> 24;
  71         info.hub    = (type & 0x00100000) >> 20;
  72         info.access = (type & 0x00070000) >> 16;
  73         info.client = (type & 0x00007f00) >> 8;
  74         info.reason = (type & 0x0000001f);
  75
  76         nvkm_fifo_fault(fifo, &info);
  77 }
  78
  79 static const struct gk104_fifo_func
  80 gp100_fifo = {
  81         .intr.fault = gp100_fifo_intr_fault,
  82         .pbdma = &gm200_fifo_pbdma,
  83         .fault.access = gk104_fifo_fault_access,
  84         .fault.engine = gp100_fifo_fault_engine,
  85         .fault.reason = gk104_fifo_fault_reason,
  86         .fault.hubclient = gk104_fifo_fault_hubclient,
  87         .fault.gpcclient = gk104_fifo_fault_gpcclient,
  88         .runlist = &gm107_fifo_runlist,
  89         .chan = {{0,0,PASCAL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
  90         .cgrp_force = true,
  91 };
  92
  93 int
  94 gp100_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
  95 {
  96         return gk104_fifo_new_(&gp100_fifo, device, index, 4096, pfifo);
  97 }