LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.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 "channv50.h"
  25#include "head.h"
  26
  27#include <core/client.h>
  28
  29#include <nvif/cl507c.h>
  30#include <nvif/unpack.h>
  31
  32int
  33nv50_disp_base_new_(const struct nv50_disp_chan_func *func,
  34                    const struct nv50_disp_chan_mthd *mthd,
  35                    struct nv50_disp *disp, int chid,
  36                    const struct nvkm_oclass *oclass, void *argv, u32 argc,
  37                    struct nvkm_object **pobject)
  38{
  39        union {
  40                struct nv50_disp_base_channel_dma_v0 v0;
  41        } *args = argv;
  42        struct nvkm_object *parent = oclass->parent;
  43        int head, ret = -ENOSYS;
  44        u64 push;
  45
  46        nvif_ioctl(parent, "create disp base channel dma size %d\n", argc);
  47        if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
  48                nvif_ioctl(parent, "create disp base channel dma vers %d "
  49                                   "pushbuf %016llx head %d\n",
  50                           args->v0.version, args->v0.pushbuf, args->v0.head);
  51                if (!nvkm_head_find(&disp->base, args->v0.head))
  52                        return -EINVAL;
  53                push = args->v0.pushbuf;
  54                head = args->v0.head;
  55        } else
  56                return ret;
  57
  58        return nv50_disp_dmac_new_(func, mthd, disp, chid + head,
  59                                   head, push, oclass, pobject);
  60}
  61
  62static const struct nv50_disp_mthd_list
  63nv50_disp_base_mthd_base = {
  64        .mthd = 0x0000,
  65        .addr = 0x000000,
  66        .data = {
  67                { 0x0080, 0x000000 },
  68                { 0x0084, 0x0008c4 },
  69                { 0x0088, 0x0008d0 },
  70                { 0x008c, 0x0008dc },
  71                { 0x0090, 0x0008e4 },
  72                { 0x0094, 0x610884 },
  73                { 0x00a0, 0x6108a0 },
  74                { 0x00a4, 0x610878 },
  75                { 0x00c0, 0x61086c },
  76                { 0x00e0, 0x610858 },
  77                { 0x00e4, 0x610860 },
  78                { 0x00e8, 0x6108ac },
  79                { 0x00ec, 0x6108b4 },
  80                { 0x0100, 0x610894 },
  81                { 0x0110, 0x6108bc },
  82                { 0x0114, 0x61088c },
  83                {}
  84        }
  85};
  86
  87const struct nv50_disp_mthd_list
  88nv50_disp_base_mthd_image = {
  89        .mthd = 0x0400,
  90        .addr = 0x000000,
  91        .data = {
  92                { 0x0800, 0x6108f0 },
  93                { 0x0804, 0x6108fc },
  94                { 0x0808, 0x61090c },
  95                { 0x080c, 0x610914 },
  96                { 0x0810, 0x610904 },
  97                {}
  98        }
  99};
 100
 101static const struct nv50_disp_chan_mthd
 102nv50_disp_base_mthd = {
 103        .name = "Base",
 104        .addr = 0x000540,
 105        .prev = 0x000004,
 106        .data = {
 107                { "Global", 1, &nv50_disp_base_mthd_base },
 108                {  "Image", 2, &nv50_disp_base_mthd_image },
 109                {}
 110        }
 111};
 112
 113int
 114nv50_disp_base_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
 115                   struct nv50_disp *disp, struct nvkm_object **pobject)
 116{
 117        return nv50_disp_base_new_(&nv50_disp_dmac_func, &nv50_disp_base_mthd,
 118                                   disp, 1, oclass, argv, argc, pobject);
 119}
 120