drm: Import driver for the sil164 I2C TMDS transmitter.

sil164 transmitters are used for DVI outputs on Intel/nvidia and ATI setups.

So far only nouveau can use this driver.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Patrice Mandin <patmandin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/drm/i2c/sil164.h b/include/drm/i2c/sil164.h
new file mode 100644
index 000000000000..205e27384c83
--- /dev/null
+++ b/include/drm/i2c/sil164.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * 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 (including the
+ * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef __DRM_I2C_SIL164_H__
+#define __DRM_I2C_SIL164_H__
+
+/**
+ * struct sil164_encoder_params
+ *
+ * Describes how the sil164 is connected to the GPU. It should be used
+ * as the @params parameter of its @set_config method.
+ *
+ * See "http://www.siliconimage.com/docs/SiI-DS-0021-E-164.pdf".
+ */
+struct sil164_encoder_params {
+        enum {
+                SIL164_INPUT_EDGE_FALLING = 0,
+                SIL164_INPUT_EDGE_RISING
+        } input_edge;
+
+        enum {
+                SIL164_INPUT_WIDTH_12BIT = 0,
+                SIL164_INPUT_WIDTH_24BIT
+        } input_width;
+
+        enum {
+                SIL164_INPUT_SINGLE_EDGE = 0,
+                SIL164_INPUT_DUAL_EDGE
+        } input_dual;
+
+        enum {
+                SIL164_PLL_FILTER_ON = 0,
+                SIL164_PLL_FILTER_OFF,
+        } pll_filter;
+
+        int input_skew; /** < Allowed range [-4, 3], use 0 for no de-skew. */
+        int duallink_skew; /** < Allowed range [-4, 3]. */
+};
+
+#endif