1 files changed, 52 insertions, 0 deletions
diff --git a/src/include/device/i915.h b/src/include/device/i915.h
new file mode 100644
index 0000000000..34f6d0d51a
--- /dev/null
+++ b/src/include/device/i915.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2012 Google Inc.
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <device/i915_reg.h>
+#include <device/drm_dp_helper.h>
+
+/* things that are, strangely, not defined anywhere? */
+#define PCH_PP_UNLOCK	0xabcd0000
+#define WMx_LP_SR_EN	(1<<31)
+#define PRB0_TAIL	0x02030
+#define PRB0_HEAD	0x02034
+#define PRB0_START	0x02038
+#define PRB0_CTL	0x0203c
+
+/* debug enums. These are for printks that, due to their place in the
+ * middle of graphics device IO, might change timing.  Use with care
+ * or not at all.
+ */
+enum {
+	vio = 2, /* dump every IO */
+	vspin = 4, /* print # of times we spun on a register value */
+};
+
+/* The mainboard must provide these functions. */
+unsigned long io_i915_read32(unsigned long addr);
+void io_i915_write32(unsigned long val, unsigned long addr);
+void graphics_register_reset(u32 aux_ctl, u32 aux_data, int verbose);
+
+/* intel_dp.c */
+u32 pack_aux(u32 *src, int src_bytes);
+void unpack_aux(u32 src, u8 *dst, int dst_bytes);
+int intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
+	u8 *recv, int recv_size);
+
+