drivers/gpu/drm/nouveau/dispnv50/corec37d.c

   1 /*
   2  * Copyright 2018 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 #include "core.h"
  23 #include "head.h"
  24
  25 #include <nouveau_bo.h>
  26
  27 void
  28 corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
  29 {
  30         u32 *push;
  31         if ((push = evo_wait(&core->chan, 9))) {
  32                 if (ntfy) {
  33                         evo_mthd(push, 0x020c, 1);
  34                         evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY);
  35                 }
  36
  37                 evo_mthd(push, 0x0218, 2);
  38                 evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]);
  39                 evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
  40                 evo_mthd(push, 0x0200, 1);
  41                 evo_data(push, 0x00000001);
  42
  43                 if (ntfy) {
  44                         evo_mthd(push, 0x020c, 1);
  45                         evo_data(push, 0x00000000);
  46                 }
  47                 evo_kick(push, &core->chan);
  48         }
  49 }
  50
  51 int
  52 corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
  53                         struct nvif_device *device)
  54 {
  55         u32 data;
  56         s64 time = nvif_msec(device, 2000ULL,
  57                 data = nouveau_bo_rd32(bo, offset / 4 + 0);
  58                 if ((data & 0xc0000000) == 0x80000000)
  59                         break;
  60                 usleep_range(1, 2);
  61         );
  62         return time < 0 ? time : 0;
  63 }
  64
  65 void
  66 corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
  67 {
  68         nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
  69         nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
  70         nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
  71         nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
  72 }
  73
  74 static void
  75 corec37d_init(struct nv50_core *core)
  76 {
  77         const u32 windows = 8; /*XXX*/
  78         u32 *push, i;
  79         if ((push = evo_wait(&core->chan, 2 + 6 * windows + 2))) {
  80                 evo_mthd(push, 0x0208, 1);
  81                 evo_data(push, core->chan.sync.handle);
  82                 for (i = 0; i < windows; i++) {
  83                         evo_mthd(push, 0x1000 + (i * 0x080), 3);
  84                         evo_data(push, i >> 1);
  85                         evo_data(push, 0x00000017);
  86                         evo_data(push, 0x00000000);
  87                         evo_mthd(push, 0x1010 + (i * 0x080), 1);
  88                         evo_data(push, 0x00127fff);
  89                 }
  90                 evo_mthd(push, 0x0200, 1);
  91                 evo_data(push, 0x00000001);
  92                 evo_kick(push, &core->chan);
  93         }
  94 }
  95
  96 static const struct nv50_core_func
  97 corec37d = {
  98         .init = corec37d_init,
  99         .ntfy_init = corec37d_ntfy_init,
 100         .ntfy_wait_done = corec37d_ntfy_wait_done,
 101         .update = corec37d_update,
 102         .head = &headc37d,
 103         .sor = &sorc37d,
 104 };
 105
 106 int
 107 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
 108 {
 109         return core507d_new_(&corec37d, drm, oclass, pcore);
 110 }