drm/amd/dc: Add dc display driver (v2)

Supported DCE versions: 8.0, 10.0, 11.0, 11.2

v2: rebase against 4.11

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/include/gpio_interface.h

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, 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: AMD
+ *
+ */
+
+#ifndef __DAL_GPIO_INTERFACE_H__
+#define __DAL_GPIO_INTERFACE_H__
+
+#include "gpio_types.h"
+#include "grph_object_defs.h"
+
+struct gpio;
+
+/* Open the handle for future use */
+enum gpio_result dal_gpio_open(
+	struct gpio *gpio,
+	enum gpio_mode mode);
+
+enum gpio_result dal_gpio_open_ex(
+	struct gpio *gpio,
+	enum gpio_mode mode);
+
+/* Get high or low from the pin */
+enum gpio_result dal_gpio_get_value(
+	const struct gpio *gpio,
+	uint32_t *value);
+
+/* Set pin high or low */
+enum gpio_result dal_gpio_set_value(
+	const struct gpio *gpio,
+	uint32_t value);
+
+/* Get current mode */
+enum gpio_mode dal_gpio_get_mode(
+	const struct gpio *gpio);
+
+/* Change mode of the handle */
+enum gpio_result dal_gpio_change_mode(
+	struct gpio *gpio,
+	enum gpio_mode mode);
+
+/* Get the GPIO id */
+enum gpio_id dal_gpio_get_id(
+	const struct gpio *gpio);
+
+/* Get the GPIO enum */
+uint32_t dal_gpio_get_enum(
+	const struct gpio *gpio);
+
+/* Set the GPIO pin configuration */
+enum gpio_result dal_gpio_set_config(
+	struct gpio *gpio,
+	const struct gpio_config_data *config_data);
+
+/* Obtain GPIO pin info */
+enum gpio_result dal_gpio_get_pin_info(
+	const struct gpio *gpio,
+	struct gpio_pin_info *pin_info);
+
+/* Obtain GPIO sync source */
+enum sync_source dal_gpio_get_sync_source(
+	const struct gpio *gpio);
+
+/* Obtain GPIO pin output state (active low or active high) */
+enum gpio_pin_output_state dal_gpio_get_output_state(
+	const struct gpio *gpio);
+
+/* Close the handle */
+void dal_gpio_close(
+	struct gpio *gpio);
+
+#endif