LXR linux/drivers/gpu/drm/nouveau/dispnv50/ovly507e.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 "ovly.h"
  23#include "atom.h"
  24
  25#include <drm/drm_atomic_helper.h>
  26#include <drm/drm_plane_helper.h>
  27
  28#include <nvif/cl507e.h>
  29#include <nvif/event.h>
  30
  31void
  32ovly507e_update(struct nv50_wndw *wndw, u32 *interlock)
  33{
  34        u32 *push;
  35        if ((push = evo_wait(&wndw->wndw, 2))) {
  36                evo_mthd(push, 0x0080, 1);
  37                evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
  38                evo_kick(push, &wndw->wndw);
  39        }
  40}
  41
  42void
  43ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
  44{
  45        u32 *push;
  46        if ((push = evo_wait(&wndw->wndw, 4))) {
  47                evo_mthd(push, 0x00e0, 3);
  48                evo_data(push, asyw->scale.sy << 16 | asyw->scale.sx);
  49                evo_data(push, asyw->scale.sh << 16 | asyw->scale.sw);
  50                evo_data(push, asyw->scale.dw);
  51                evo_kick(push, &wndw->wndw);
  52        }
  53}
  54
  55void
  56ovly507e_image_clr(struct nv50_wndw *wndw)
  57{
  58        u32 *push;
  59        if ((push = evo_wait(&wndw->wndw, 4))) {
  60                evo_mthd(push, 0x0084, 1);
  61                evo_data(push, 0x00000000);
  62                evo_mthd(push, 0x00c0, 1);
  63                evo_data(push, 0x00000000);
  64                evo_kick(push, &wndw->wndw);
  65        }
  66}
  67
  68static void
  69ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
  70{
  71        u32 *push;
  72        if ((push = evo_wait(&wndw->wndw, 12))) {
  73                evo_mthd(push, 0x0084, 1);
  74                evo_data(push, asyw->image.interval << 4);
  75                evo_mthd(push, 0x00c0, 1);
  76                evo_data(push, asyw->image.handle[0]);
  77                evo_mthd(push, 0x0100, 1);
  78                evo_data(push, 0x00000002);
  79                evo_mthd(push, 0x0800, 1);
  80                evo_data(push, asyw->image.offset[0] >> 8);
  81                evo_mthd(push, 0x0808, 3);
  82                evo_data(push, asyw->image.h << 16 | asyw->image.w);
  83                evo_data(push, asyw->image.layout << 20 |
  84                               (asyw->image.pitch[0] >> 8) << 8 |
  85                               asyw->image.blocks[0] << 8 |
  86                               asyw->image.blockh);
  87                evo_data(push, asyw->image.kind << 16 |
  88                               asyw->image.format << 8 |
  89                               asyw->image.colorspace);
  90                evo_kick(push, &wndw->wndw);
  91        }
  92}
  93
  94void
  95ovly507e_ntfy_clr(struct nv50_wndw *wndw)
  96{
  97        u32 *push;
  98        if ((push = evo_wait(&wndw->wndw, 2))) {
  99                evo_mthd(push, 0x00a4, 1);
 100                evo_data(push, 0x00000000);
 101                evo_kick(push, &wndw->wndw);
 102        }
 103}
 104
 105void
 106ovly507e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 107{
 108        u32 *push;
 109        if ((push = evo_wait(&wndw->wndw, 3))) {
 110                evo_mthd(push, 0x00a0, 2);
 111                evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
 112                evo_data(push, asyw->ntfy.handle);
 113                evo_kick(push, &wndw->wndw);
 114        }
 115}
 116
 117void
 118ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
 119                 struct nv50_head_atom *asyh)
 120{
 121        asyh->ovly.cpp = 0;
 122}
 123
 124int
 125ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
 126                 struct nv50_head_atom *asyh)
 127{
 128        const struct drm_framebuffer *fb = asyw->state.fb;
 129        int ret;
 130
 131        ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
 132                                                  DRM_PLANE_HELPER_NO_SCALING,
 133                                                  DRM_PLANE_HELPER_NO_SCALING,
 134                                                  true, true);
 135        if (ret)
 136                return ret;
 137
 138        asyh->ovly.cpp = fb->format->cpp[0];
 139        return 0;
 140}
 141
 142#include "nouveau_bo.h"
 143
 144static const struct nv50_wndw_func
 145ovly507e = {
 146        .acquire = ovly507e_acquire,
 147        .release = ovly507e_release,
 148        .ntfy_set = ovly507e_ntfy_set,
 149        .ntfy_clr = ovly507e_ntfy_clr,
 150        .ntfy_reset = base507c_ntfy_reset,
 151        .ntfy_wait_begun = base507c_ntfy_wait_begun,
 152        .image_set = ovly507e_image_set,
 153        .image_clr = ovly507e_image_clr,
 154        .scale_set = ovly507e_scale_set,
 155        .update = ovly507e_update,
 156};
 157
 158static const u32
 159ovly507e_format[] = {
 160        DRM_FORMAT_YUYV,
 161        DRM_FORMAT_UYVY,
 162        DRM_FORMAT_XRGB8888,
 163        DRM_FORMAT_ARGB8888,
 164        DRM_FORMAT_XRGB1555,
 165        DRM_FORMAT_ARGB1555,
 166        0
 167};
 168
 169int
 170ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
 171              struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
 172              struct nv50_wndw **pwndw)
 173{
 174        struct nv50_disp_overlay_channel_dma_v0 args = {
 175                .head = head,
 176        };
 177        struct nv50_disp *disp = nv50_disp(drm->dev);
 178        struct nv50_wndw *wndw;
 179        int ret;
 180
 181        ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
 182                             "ovly", head, format, BIT(head),
 183                             NV50_DISP_INTERLOCK_OVLY, interlock_data,
 184                             &wndw);
 185        if (*pwndw = wndw, ret)
 186                return ret;
 187
 188        ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
 189                               &oclass, 0, &args, sizeof(args),
 190                               disp->sync->bo.offset, &wndw->wndw);
 191        if (ret) {
 192                NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
 193                return ret;
 194        }
 195
 196        ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
 197                               NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
 198                               &(struct nvif_notify_uevent_req) {},
 199                               sizeof(struct nvif_notify_uevent_req),
 200                               sizeof(struct nvif_notify_uevent_rep),
 201                               &wndw->notify);
 202        if (ret)
 203                return ret;
 204
 205        wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
 206        wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
 207        wndw->data = 0x00000000;
 208        return 0;
 209}
 210
 211int
 212ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
 213             struct nv50_wndw **pwndw)
 214{
 215        return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
 216                             0x00000004 << (head * 8), pwndw);
 217}
 218