summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/curs507a.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/curs507a.c184
1 files changed, 184 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 000000000..78ee32da0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
@@ -0,0 +1,184 @@
+/*
+ * 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 "head.h"
+
+#include <nvif/if0014.h>
+#include <nvif/timer.h>
+
+#include <nvhw/class/cl507a.h>
+
+#include <drm/drm_atomic_helper.h>
+
+bool
+curs507a_space(struct nv50_wndw *wndw)
+{
+ nvif_msec(&nouveau_drm(wndw->plane.dev)->client.device, 100,
+ if (NVIF_TV32(&wndw->wimm.base.user, NV507A, FREE, COUNT, >=, 4))
+ return true;
+ );
+
+ WARN_ON(1);
+ return false;
+}
+
+static int
+curs507a_update(struct nv50_wndw *wndw, u32 *interlock)
+{
+ struct nvif_object *user = &wndw->wimm.base.user;
+ int ret = nvif_chan_wait(&wndw->wimm, 1);
+ if (ret == 0) {
+ NVIF_WR32(user, NV507A, UPDATE,
+ NVDEF(NV507A, UPDATE, INTERLOCK_WITH_CORE, DISABLE));
+ }
+ return ret;
+}
+
+static int
+curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
+{
+ struct nvif_object *user = &wndw->wimm.base.user;
+ int ret = nvif_chan_wait(&wndw->wimm, 1);
+ if (ret == 0) {
+ NVIF_WR32(user, NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT,
+ NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, X, asyw->point.x) |
+ NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, Y, asyw->point.y));
+ }
+ return ret;
+}
+
+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[0];
+ 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)
+{
+ struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
+ struct nv50_head *head = nv50_head(asyw->state.crtc);
+ int ret;
+
+ ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
+ DRM_PLANE_NO_SCALING,
+ DRM_PLANE_NO_SCALING,
+ true, true);
+ asyh->curs.visible = asyw->state.visible;
+ if (ret || !asyh->curs.visible)
+ return ret;
+
+ if (asyw->state.crtc_w != asyw->state.crtc_h) {
+ NV_ATOMIC(drm, "Plane width/height must be equal for cursors\n");
+ return -EINVAL;
+ }
+
+ if (asyw->image.w != asyw->state.crtc_w) {
+ NV_ATOMIC(drm, "Plane width must be equal to fb width for cursors (height can be larger though)\n");
+ return -EINVAL;
+ }
+
+ if (asyw->state.src_x || asyw->state.src_y) {
+ NV_ATOMIC(drm, "Cursor planes do not support framebuffer offsets\n");
+ return -EINVAL;
+ }
+
+ ret = head->func->curs_layout(head, asyw, asyh);
+ if (ret)
+ return ret;
+
+ return head->func->curs_format(head, asyw, asyh);
+}
+
+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,
+};
+
+int
+curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
+ int head, s32 oclass, u32 interlock_data,
+ struct nv50_wndw **pwndw)
+{
+ struct nvif_disp_chan_v0 args = {
+ .id = 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, BIT(head),
+ NV50_DISP_INTERLOCK_CURS, interlock_data, &wndw);
+ if (*pwndw = wndw, ret)
+ return ret;
+
+ ret = nvif_object_ctor(&disp->disp->object, "kmsCurs", 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 = NULL;
+ return 0;
+}
+
+int
+curs507a_new(struct nouveau_drm *drm, int head, s32 oclass,
+ struct nv50_wndw **pwndw)
+{
+ return curs507a_new_(&curs507a, drm, head, oclass,
+ 0x00000001 << (head * 8), pwndw);
+}