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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
new file mode 100644
index 000000000..0d1b81fe1
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
@@ -0,0 +1,51 @@
+/*
+ * 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 "ior.h"
+
+void
+gt215_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
+{
+ struct nvkm_device *device = ior->disp->engine.subdev.device;
+ const u32 soff = ior->id * 0x800;
+ int i;
+
+ for (i = 0; i < size; i++)
+ nvkm_wr32(device, 0x61c440 + soff, (i << 8) | data[i]);
+ for (; i < 0x60; i++)
+ nvkm_wr32(device, 0x61c440 + soff, (i << 8));
+ nvkm_mask(device, 0x61c448 + soff, 0x80000002, 0x80000002);
+}
+
+void
+gt215_hda_hpd(struct nvkm_ior *ior, int head, bool present)
+{
+ struct nvkm_device *device = ior->disp->engine.subdev.device;
+ u32 data = 0x80000000;
+ u32 mask = 0x80000001;
+ if (present)
+ data |= 0x00000001;
+ else
+ mask |= 0x00000002;
+ nvkm_mask(device, 0x61c448 + ior->id * 0x800, mask, data);
+}