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path: root/drivers/gpu/drm/nouveau/dispnv50/dac907d.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/dac907d.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/dac907d.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/dac907d.c b/drivers/gpu/drm/nouveau/dispnv50/dac907d.c
new file mode 100644
index 000000000000..11e87fa53fac
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/dac907d.c
@@ -0,0 +1,39 @@
+/*
+ * 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 "core.h"
+
+static void
+dac907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
+ struct nv50_head_atom *asyh)
+{
+ u32 *push;
+ if ((push = evo_wait(&core->chan, 2))) {
+ evo_mthd(push, 0x0180 + (or * 0x020), 1);
+ evo_data(push, ctrl);
+ evo_kick(push, &core->chan);
+ }
+}
+
+const struct nv50_outp_func
+dac907d = {
+ .ctrl = dac907d_ctrl,
+};