summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c
new file mode 100644
index 000000000000..528d14ec2f7f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdminve0.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2014 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 <core/client.h>
+#include <nvif/unpack.h>
+#include <nvif/class.h>
+
+#include "nv50.h"
+
+int
+nve0_hdmi_ctrl(NV50_DISP_MTHD_V1)
+{
+ const u32 hoff = (head * 0x800);
+ const u32 hdmi = (head * 0x400);
+ union {
+ struct nv50_disp_sor_hdmi_pwr_v0 v0;
+ } *args = data;
+ u32 ctrl;
+ int ret;
+
+ nv_ioctl(object, "disp sor hdmi ctrl size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nv_ioctl(object, "disp sor hdmi ctrl vers %d state %d "
+ "max_ac_packet %d rekey %d\n",
+ args->v0.version, args->v0.state,
+ args->v0.max_ac_packet, args->v0.rekey);
+ if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f)
+ return -EINVAL;
+ ctrl = 0x40000000 * !!args->v0.state;
+ ctrl |= args->v0.max_ac_packet << 16;
+ ctrl |= args->v0.rekey;
+ } else
+ return ret;
+
+ if (!(ctrl & 0x40000000)) {
+ nv_mask(priv, 0x616798 + hoff, 0x40000000, 0x00000000);
+ nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
+ nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000);
+ return 0;
+ }
+
+ /* AVI InfoFrame */
+ nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000000);
+ nv_wr32(priv, 0x690008 + hdmi, 0x000d0282);
+ nv_wr32(priv, 0x69000c + hdmi, 0x0000006f);
+ nv_wr32(priv, 0x690010 + hdmi, 0x00000000);
+ nv_wr32(priv, 0x690014 + hdmi, 0x00000000);
+ nv_wr32(priv, 0x690018 + hdmi, 0x00000000);
+ nv_mask(priv, 0x690000 + hdmi, 0x00000001, 0x00000001);
+
+ /* ??? InfoFrame? */
+ nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000000);
+ nv_wr32(priv, 0x6900cc + hdmi, 0x00000010);
+ nv_mask(priv, 0x6900c0 + hdmi, 0x00000001, 0x00000001);
+
+ /* ??? */
+ nv_wr32(priv, 0x690080 + hdmi, 0x82000000);
+
+ /* HDMI_CTRL */
+ nv_mask(priv, 0x616798 + hoff, 0x401f007f, ctrl);
+ return 0;
+}
OpenPOWER on IntegriCloud