--- /dev/null
+/*
+ * Copyright 2012 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.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "priv.h"
+
+#include <core/client.h>
+#include <core/device.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+struct nv04_disp_priv {
+ struct nvkm_disp base;
+};
+
+static int
+nv04_disp_scanoutpos(struct nvkm_object *object, struct nv04_disp_priv *priv,
+ void *data, u32 size, int head)
+{
+ const u32 hoff = head * 0x2000;
+ union {
+ struct nv04_disp_scanoutpos_v0 v0;
+ } *args = data;
+ u32 line;
+ int ret;
+
+ nv_ioctl(object, "disp scanoutpos size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nv_ioctl(object, "disp scanoutpos vers %d\n", args->v0.version);
+ args->v0.vblanks = nv_rd32(priv, 0x680800 + hoff) & 0xffff;
+ args->v0.vtotal = nv_rd32(priv, 0x680804 + hoff) & 0xffff;
+ args->v0.vblanke = args->v0.vtotal - 1;
+
+ args->v0.hblanks = nv_rd32(priv, 0x680820 + hoff) & 0xffff;
+ args->v0.htotal = nv_rd32(priv, 0x680824 + hoff) & 0xffff;
+ args->v0.hblanke = args->v0.htotal - 1;
+
+ /*
+ * If output is vga instead of digital then vtotal/htotal is
+ * invalid so we have to give up and trigger the timestamping
+ * fallback in the drm core.
+ */
+ if (!args->v0.vtotal || !args->v0.htotal)
+ return -ENOTSUPP;
+
+ args->v0.time[0] = ktime_to_ns(ktime_get());
+ line = nv_rd32(priv, 0x600868 + hoff);
+ args->v0.time[1] = ktime_to_ns(ktime_get());
+ args->v0.hline = (line & 0xffff0000) >> 16;
+ args->v0.vline = (line & 0x0000ffff);
+ } else
+ return ret;
+
+ return 0;
+}
+
+static int
+nv04_disp_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+ union {
+ struct nv04_disp_mthd_v0 v0;
+ } *args = data;
+ struct nv04_disp_priv *priv = (void *)object->engine;
+ int head, ret;
+
+ nv_ioctl(object, "disp mthd size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, true)) {
+ nv_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
+ args->v0.version, args->v0.method, args->v0.head);
+ mthd = args->v0.method;
+ head = args->v0.head;
+ } else
+ return ret;
+
+ if (head < 0 || head >= 2)
+ return -ENXIO;
+
+ switch (mthd) {
+ case NV04_DISP_SCANOUTPOS:
+ return nv04_disp_scanoutpos(object, priv, data, size, head);
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
+static struct nvkm_ofuncs
+nv04_disp_ofuncs = {
+ .ctor = _nvkm_object_ctor,
+ .dtor = nvkm_object_destroy,
+ .init = nvkm_object_init,
+ .fini = nvkm_object_fini,
+ .mthd = nv04_disp_mthd,
+ .ntfy = nvkm_disp_ntfy,
+};
+
+static struct nvkm_oclass
+nv04_disp_sclass[] = {
+ { NV04_DISP, &nv04_disp_ofuncs },
+ {},
+};
+
+/*******************************************************************************
+ * Display engine implementation
+ ******************************************************************************/
+
+static void
+nv04_disp_vblank_init(struct nvkm_event *event, int type, int head)
+{
+ struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
+ nv_wr32(disp, 0x600140 + (head * 0x2000) , 0x00000001);
+}
+
+static void
+nv04_disp_vblank_fini(struct nvkm_event *event, int type, int head)
+{
+ struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
+ nv_wr32(disp, 0x600140 + (head * 0x2000) , 0x00000000);
+}
+
+static const struct nvkm_event_func
+nv04_disp_vblank_func = {
+ .ctor = nvkm_disp_vblank_ctor,
+ .init = nv04_disp_vblank_init,
+ .fini = nv04_disp_vblank_fini,
+};
+
+static void
+nv04_disp_intr(struct nvkm_subdev *subdev)
+{
+ struct nv04_disp_priv *priv = (void *)subdev;
+ u32 crtc0 = nv_rd32(priv, 0x600100);
+ u32 crtc1 = nv_rd32(priv, 0x602100);
+ u32 pvideo;
+
+ if (crtc0 & 0x00000001) {
+ nvkm_disp_vblank(&priv->base, 0);
+ nv_wr32(priv, 0x600100, 0x00000001);
+ }
+
+ if (crtc1 & 0x00000001) {
+ nvkm_disp_vblank(&priv->base, 1);
+ nv_wr32(priv, 0x602100, 0x00000001);
+ }
+
+ if (nv_device(priv)->chipset >= 0x10 &&
+ nv_device(priv)->chipset <= 0x40) {
+ pvideo = nv_rd32(priv, 0x8100);
+ if (pvideo & ~0x11)
+ nv_info(priv, "PVIDEO intr: %08x\n", pvideo);
+ nv_wr32(priv, 0x8100, pvideo);
+ }
+}
+
+static int
+nv04_disp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nv04_disp_priv *priv;
+ int ret;
+
+ ret = nvkm_disp_create(parent, engine, oclass, 2, "DISPLAY",
+ "display", &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_engine(priv)->sclass = nv04_disp_sclass;
+ nv_subdev(priv)->intr = nv04_disp_intr;
+ return 0;
+}
+
+struct nvkm_oclass *
+nv04_disp_oclass = &(struct nvkm_disp_impl) {
+ .base.handle = NV_ENGINE(DISP, 0x04),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv04_disp_ctor,
+ .dtor = _nvkm_disp_dtor,
+ .init = _nvkm_disp_init,
+ .fini = _nvkm_disp_fini,
+ },
+ .vblank = &nv04_disp_vblank_func,
+}.base;
Code Review / kvmfornfv.git / blobdiff