1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h b/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
new file mode 100644
index 000000000000..90d0148430fb
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/gpio.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2012-16 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_H__
+#define __DAL_GPIO_H__
+
+#include "gpio_types.h"
+
+struct gpio {
+	struct gpio_service *service;
+	struct hw_gpio_pin *pin;
+	enum gpio_id id;
+	uint32_t en;
+	enum gpio_mode mode;
+	/* when GPIO comes from VBIOS, it has defined output state */
+	enum gpio_pin_output_state output_state;
+};
+
+#if 0
+struct gpio_funcs {
+
+	struct hw_gpio_pin *(*create_ddc_data)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_ddc_clock)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_generic)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_hpd)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_gpio_pad)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_sync)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+	struct hw_gpio_pin *(*create_gsl)(
+		struct dc_context *ctx,
+		enum gpio_id id,
+		uint32_t en);
+
+	/* HW translation */
+	bool (*offset_to_id)(
+		uint32_t offset,
+		uint32_t mask,
+		enum gpio_id *id,
+		uint32_t *en);
+	bool (*id_to_offset)(
+		enum gpio_id id,
+		uint32_t en,
+		struct gpio_pin_info *info);
+};
+#endif
+
+#endif  /* __DAL_GPIO__ */