drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.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 #include "channv04.h"
  26 #include "regsnv04.h"
  27
  28 #include <core/ramht.h>
  29 #include <subdev/fb.h>
  30 #include <subdev/instmem.h>
  31
  32 static const struct nv04_fifo_ramfc
  33 nv40_fifo_ramfc[] = {
  34         { 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
  35         { 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
  36         { 32,  0, 0x08,  0, NV10_PFIFO_CACHE1_REF_CNT },
  37         { 32,  0, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
  38         { 32,  0, 0x10,  0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
  39         { 32,  0, 0x14,  0, NV04_PFIFO_CACHE1_DMA_STATE },
  40         { 28,  0, 0x18,  0, NV04_PFIFO_CACHE1_DMA_FETCH },
  41         {  2, 28, 0x18, 28, 0x002058 },
  42         { 32,  0, 0x1c,  0, NV04_PFIFO_CACHE1_ENGINE },
  43         { 32,  0, 0x20,  0, NV04_PFIFO_CACHE1_PULL1 },
  44         { 32,  0, 0x24,  0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE },
  45         { 32,  0, 0x28,  0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP },
  46         { 32,  0, 0x2c,  0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT },
  47         { 32,  0, 0x30,  0, NV10_PFIFO_CACHE1_SEMAPHORE },
  48         { 32,  0, 0x34,  0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE },
  49         { 32,  0, 0x38,  0, NV40_PFIFO_GRCTX_INSTANCE },
  50         { 17,  0, 0x3c,  0, NV04_PFIFO_DMA_TIMESLICE },
  51         { 32,  0, 0x40,  0, 0x0032e4 },
  52         { 32,  0, 0x44,  0, 0x0032e8 },
  53         { 32,  0, 0x4c,  0, 0x002088 },
  54         { 32,  0, 0x50,  0, 0x003300 },
  55         { 32,  0, 0x54,  0, 0x00330c },
  56         {}
  57 };
  58
  59 static void
  60 nv40_fifo_init(struct nvkm_fifo *base)
  61 {
  62         struct nv04_fifo *fifo = nv04_fifo(base);
  63         struct nvkm_device *device = fifo->base.engine.subdev.device;
  64         struct nvkm_fb *fb = device->fb;
  65         struct nvkm_instmem *imem = device->imem;
  66         struct nvkm_ramht *ramht = imem->ramht;
  67         struct nvkm_memory *ramro = imem->ramro;
  68         struct nvkm_memory *ramfc = imem->ramfc;
  69
  70         nvkm_wr32(device, 0x002040, 0x000000ff);
  71         nvkm_wr32(device, 0x002044, 0x2101ffff);
  72         nvkm_wr32(device, 0x002058, 0x00000001);
  73
  74         nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
  75                                             ((ramht->bits - 9) << 16) |
  76                                             (ramht->gpuobj->addr >> 8));
  77         nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8);
  78
  79         switch (device->chipset) {
  80         case 0x47:
  81         case 0x49:
  82         case 0x4b:
  83                 nvkm_wr32(device, 0x002230, 0x00000001);
  84                 fallthrough;
  85         case 0x40:
  86         case 0x41:
  87         case 0x42:
  88         case 0x43:
  89         case 0x45:
  90         case 0x48:
  91                 nvkm_wr32(device, 0x002220, 0x00030002);
  92                 break;
  93         default:
  94                 nvkm_wr32(device, 0x002230, 0x00000000);
  95                 nvkm_wr32(device, 0x002220, ((fb->ram->size - 512 * 1024 +
  96                                               nvkm_memory_addr(ramfc)) >> 16) |
  97                                             0x00030000);
  98                 break;
  99         }
 100
 101         nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.nr - 1);
 102
 103         nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff);
 104         nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff);
 105
 106         nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
 107         nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
 108         nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
 109 }
 110
 111 static const struct nvkm_fifo_func
 112 nv40_fifo = {
 113         .init = nv40_fifo_init,
 114         .intr = nv04_fifo_intr,
 115         .pause = nv04_fifo_pause,
 116         .start = nv04_fifo_start,
 117         .chan = {
 118                 &nv40_fifo_dma_oclass,
 119                 NULL
 120         },
 121 };
 122
 123 int
 124 nv40_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
 125 {
 126         return nv04_fifo_new_(&nv40_fifo, device, index, 32,
 127                               nv40_fifo_ramfc, pfifo);
 128 }