LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/ovlynv50.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 "dmacnv50.h"
  25#include "rootnv50.h"
  26
  27#include <core/client.h>
  28
  29#include <nvif/class.h>
  30#include <nvif/cl507e.h>
  31#include <nvif/unpack.h>
  32
  33int
  34nv50_disp_ovly_new(const struct nv50_disp_dmac_func *func,
  35                   const struct nv50_disp_chan_mthd *mthd,
  36                   struct nv50_disp_root *root, int chid,
  37                   const struct nvkm_oclass *oclass, void *data, u32 size,
  38                   struct nvkm_object **pobject)
  39{
  40        union {
  41                struct nv50_disp_overlay_channel_dma_v0 v0;
  42        } *args = data;
  43        struct nvkm_object *parent = oclass->parent;
  44        struct nv50_disp *disp = root->disp;
  45        int head, ret = -ENOSYS;
  46        u64 push;
  47
  48        nvif_ioctl(parent, "create disp overlay channel dma size %d\n", size);
  49        if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
  50                nvif_ioctl(parent, "create disp overlay channel dma vers %d "
  51                                   "pushbuf %016llx head %d\n",
  52                           args->v0.version, args->v0.pushbuf, args->v0.head);
  53                if (args->v0.head > disp->base.head.nr)
  54                        return -EINVAL;
  55                push = args->v0.pushbuf;
  56                head = args->v0.head;
  57        } else
  58                return ret;
  59
  60        return nv50_disp_dmac_new_(func, mthd, root, chid + head,
  61                                   head, push, oclass, pobject);
  62}
  63
  64static const struct nv50_disp_mthd_list
  65nv50_disp_ovly_mthd_base = {
  66        .mthd = 0x0000,
  67        .addr = 0x000000,
  68        .data = {
  69                { 0x0080, 0x000000 },
  70                { 0x0084, 0x0009a0 },
  71                { 0x0088, 0x0009c0 },
  72                { 0x008c, 0x0009c8 },
  73                { 0x0090, 0x6109b4 },
  74                { 0x0094, 0x610970 },
  75                { 0x00a0, 0x610998 },
  76                { 0x00a4, 0x610964 },
  77                { 0x00c0, 0x610958 },
  78                { 0x00e0, 0x6109a8 },
  79                { 0x00e4, 0x6109d0 },
  80                { 0x00e8, 0x6109d8 },
  81                { 0x0100, 0x61094c },
  82                { 0x0104, 0x610984 },
  83                { 0x0108, 0x61098c },
  84                { 0x0800, 0x6109f8 },
  85                { 0x0808, 0x610a08 },
  86                { 0x080c, 0x610a10 },
  87                { 0x0810, 0x610a00 },
  88                {}
  89        }
  90};
  91
  92static const struct nv50_disp_chan_mthd
  93nv50_disp_ovly_chan_mthd = {
  94        .name = "Overlay",
  95        .addr = 0x000540,
  96        .prev = 0x000004,
  97        .data = {
  98                { "Global", 1, &nv50_disp_ovly_mthd_base },
  99                {}
 100        }
 101};
 102
 103const struct nv50_disp_dmac_oclass
 104nv50_disp_ovly_oclass = {
 105        .base.oclass = NV50_DISP_OVERLAY_CHANNEL_DMA,
 106        .base.minver = 0,
 107        .base.maxver = 0,
 108        .ctor = nv50_disp_ovly_new,
 109        .func = &nv50_disp_dmac_func,
 110        .mthd = &nv50_disp_ovly_chan_mthd,
 111        .chid = 3,
 112};
 113