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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c
new file mode 100644
index 000000000000..dbd032ef352a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dacgf119.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017 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 "ior.h"
+
+static void
+gf119_dac_clock(struct nvkm_ior *dac)
+{
+ struct nvkm_device *device = dac->disp->engine.subdev.device;
+ const u32 doff = nv50_ior_base(dac);
+ nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
+}
+
+static void
+gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
+{
+ struct nvkm_device *device = dac->disp->engine.subdev.device;
+ const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
+ u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
+
+ state->proto_evo = (ctrl & 0x00000f00) >> 8;
+ switch (state->proto_evo) {
+ case 0: state->proto = CRT; break;
+ default:
+ state->proto = UNKNOWN;
+ break;
+ }
+
+ state->head = ctrl & 0x0000000f;
+}
+
+static const struct nvkm_ior_func
+gf119_dac = {
+ .state = gf119_dac_state,
+ .power = nv50_dac_power,
+ .sense = nv50_dac_sense,
+ .clock = gf119_dac_clock,
+};
+
+int
+gf119_dac_new(struct nvkm_disp *disp, int id)
+{
+ struct nvkm_device *device = disp->engine.subdev.device;
+ if (!(nvkm_rd32(device, 0x612004) & (0x00000010 << id)))
+ return 0;
+ return nvkm_ior_new_(&gf119_dac, disp, DAC, id);
+}