diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/curs507a.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/curs507a.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c new file mode 100644 index 000000000000..1a3e199b5b45 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c @@ -0,0 +1,151 @@ +/* + * Copyright 2018 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "curs.h" +#include "core.h" + +#include <nvif/cl507a.h> + +#include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> + +static u32 +curs507a_update(struct nv50_wndw *wndw, u32 interlock) +{ + nvif_wr32(&wndw->wimm.base.user, 0x0080, 0x00000000); + return 0; +} + +static void +curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) +{ + nvif_wr32(&wndw->wimm.base.user, 0x0084, asyw->point.y << 16 | + asyw->point.x); +} + +static const struct nv50_wimm_func +curs507a = { + .point = curs507a_point, + .update = curs507a_update, +}; + +static void +curs507a_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh, + struct nv50_wndw_atom *asyw) +{ + u32 handle = nv50_disp(wndw->plane.dev)->core->chan.vram.handle; + u32 offset = asyw->image.offset; + if (asyh->curs.handle != handle || asyh->curs.offset != offset) { + asyh->curs.handle = handle; + asyh->curs.offset = offset; + asyh->set.curs = asyh->curs.visible; + } +} + +static void +curs507a_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, + struct nv50_head_atom *asyh) +{ + asyh->curs.visible = false; +} + +static int +curs507a_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, + struct nv50_head_atom *asyh) +{ + int ret; + + ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + true, true); + asyh->curs.visible = asyw->state.visible; + if (ret || !asyh->curs.visible) + return ret; + + switch (asyw->state.fb->width) { + case 32: asyh->curs.layout = 0; break; + case 64: asyh->curs.layout = 1; break; + default: + return -EINVAL; + } + + if (asyw->state.fb->width != asyw->state.fb->height) + return -EINVAL; + + switch (asyw->state.fb->format->format) { + case DRM_FORMAT_ARGB8888: asyh->curs.format = 1; break; + default: + WARN_ON(1); + return -EINVAL; + } + + return 0; +} + +static const u32 +curs507a_format[] = { + DRM_FORMAT_ARGB8888, + 0 +}; + +static const struct nv50_wndw_func +curs507a_wndw = { + .acquire = curs507a_acquire, + .release = curs507a_release, + .prepare = curs507a_prepare, +}; + +static int +curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, + int head, s32 oclass, struct nv50_wndw **pwndw) +{ + struct nv50_disp_cursor_v0 args = { + .head = head, + }; + struct nv50_disp *disp = nv50_disp(drm->dev); + struct nv50_wndw *wndw; + int ret; + + ret = nv50_wndw_new_(&curs507a_wndw, drm->dev, DRM_PLANE_TYPE_CURSOR, + "curs", head, curs507a_format, &wndw); + if (*pwndw = wndw, ret) + return ret; + + ret = nvif_object_init(&disp->disp->object, 0, oclass, &args, + sizeof(args), &wndw->wimm.base.user); + if (ret) { + NV_ERROR(drm, "curs%04x allocation failed: %d\n", oclass, ret); + return ret; + } + + nvif_object_map(&wndw->wimm.base.user, NULL, 0); + wndw->immd = func; + wndw->ctxdma.parent = &disp->core->chan.base.user; + return 0; +} + +int +curs507a_new(struct nouveau_drm *drm, int head, s32 oclass, + struct nv50_wndw **pwndw) +{ + return curs507a_new_(&curs507a, drm, head, oclass, pwndw); +} |