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 <nvif/class.h>
  26 #include <nvif/pushc37b.h>
  27 #include <nvif/timer.h>
  28
  29 #include <nvhw/class/clc37d.h>
  30
  31 #include <nouveau_bo.h>
  32
  33 int
  34 corec37d_wndw_owner(struct nv50_core *core)
  35 {
  36         struct nvif_push *push = core->chan.push;
  37         const u32 windows = 8; /*XXX*/
  38         int ret, i;
  39
  40         if ((ret = PUSH_WAIT(push, windows * 2)))
  41                 return ret;
  42
  43         for (i = 0; i < windows; i++) {
  44                 PUSH_MTHD(push, NVC37D, WINDOW_SET_CONTROL(i),
  45                           NVDEF(NVC37D, WINDOW_SET_CONTROL, OWNER, HEAD(i >> 1)));
  46         }
  47
  48         return 0;
  49 }
  50
  51 int
  52 corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
  53 {
  54         struct nvif_push *push = core->chan.push;
  55         int ret;
  56
  57         if ((ret = PUSH_WAIT(push, 9)))
  58                 return ret;
  59
  60         if (ntfy) {
  61                 PUSH_MTHD(push, NVC37D, SET_NOTIFIER_CONTROL,
  62                           NVDEF(NVC37D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
  63                           NVVAL(NVC37D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 4) |
  64                           NVDEF(NVC37D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
  65         }
  66
  67         PUSH_MTHD(push, NVC37D, SET_INTERLOCK_FLAGS, interlock[NV50_DISP_INTERLOCK_CURS],
  68                                 SET_WINDOW_INTERLOCK_FLAGS, interlock[NV50_DISP_INTERLOCK_WNDW]);
  69         PUSH_MTHD(push, NVC37D, UPDATE, 0x00000001 |
  70                   NVDEF(NVC37D, UPDATE, SPECIAL_HANDLING, NONE) |
  71                   NVDEF(NVC37D, UPDATE, INHIBIT_INTERRUPTS, FALSE));
  72
  73         if (ntfy) {
  74                 PUSH_MTHD(push, NVC37D, SET_NOTIFIER_CONTROL,
  75                           NVDEF(NVC37D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
  76         }
  77
  78         return PUSH_KICK(push);
  79 }
  80
  81 int
  82 corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
  83                         struct nvif_device *device)
  84 {
  85         s64 time = nvif_msec(device, 2000ULL,
  86                 if (NVBO_TD32(bo, offset, NV_DISP_NOTIFIER, _0, STATUS, ==, FINISHED))
  87                         break;
  88                 usleep_range(1, 2);
  89         );
  90         return time < 0 ? time : 0;
  91 }
  92
  93 void
  94 corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
  95 {
  96         NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _0,
  97                         NVDEF(NV_DISP_NOTIFIER, _0, STATUS, NOT_BEGUN));
  98         NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _1, 0);
  99         NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _2, 0);
 100         NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _3, 0);
 101 }
 102
 103 int corec37d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
 104 {
 105         int ret;
 106
 107         ret = nvif_object_ctor(&disp->disp->object, "dispCaps", 0,
 108                                GV100_DISP_CAPS, NULL, 0, &disp->caps);
 109         if (ret) {
 110                 NV_ERROR(drm,
 111                          "Failed to init notifier caps region: %d\n",
 112                          ret);
 113                 return ret;
 114         }
 115
 116         ret = nvif_object_map(&disp->caps, NULL, 0);
 117         if (ret) {
 118                 NV_ERROR(drm,
 119                          "Failed to map notifier caps region: %d\n",
 120                          ret);
 121                 return ret;
 122         }
 123
 124         return 0;
 125 }
 126
 127 static int
 128 corec37d_init(struct nv50_core *core)
 129 {
 130         struct nvif_push *push = core->chan.push;
 131         const u32 windows = 8; /*XXX*/
 132         int ret, i;
 133
 134         if ((ret = PUSH_WAIT(push, 2 + windows * 5)))
 135                 return ret;
 136
 137         PUSH_MTHD(push, NVC37D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
 138
 139         for (i = 0; i < windows; i++) {
 140                 PUSH_MTHD(push, NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS(i),
 141                           NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED1BPP, TRUE) |
 142                           NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED2BPP, TRUE) |
 143                           NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED4BPP, TRUE) |
 144                           NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED8BPP, TRUE) |
 145                           NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, YUV_PACKED422, TRUE),
 146
 147                                         WINDOW_SET_WINDOW_ROTATED_FORMAT_USAGE_BOUNDS(i), 0x00000000);
 148
 149                 PUSH_MTHD(push, NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS(i),
 150                           NVVAL(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, MAX_PIXELS_FETCHED_PER_LINE, 0x7fff) |
 151                           NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_LUT, USAGE_1025) |
 152                           NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_SCALER_TAPS, TAPS_2) |
 153                           NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, UPSCALING_ALLOWED, FALSE));
 154         }
 155
 156         core->assign_windows = true;
 157         return PUSH_KICK(push);
 158 }
 159
 160 static const struct nv50_core_func
 161 corec37d = {
 162         .init = corec37d_init,
 163         .ntfy_init = corec37d_ntfy_init,
 164         .caps_init = corec37d_caps_init,
 165         .ntfy_wait_done = corec37d_ntfy_wait_done,
 166         .update = corec37d_update,
 167         .wndw.owner = corec37d_wndw_owner,
 168         .head = &headc37d,
 169         .sor = &sorc37d,
 170 #if IS_ENABLED(CONFIG_DEBUG_FS)
 171         .crc = &crcc37d,
 172 #endif
 173 };
 174
 175 int
 176 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
 177 {
 178         return core507d_new_(&corec37d, drm, oclass, pcore);
 179 }