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path: root/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h
new file mode 100644
index 000000000000..4ab7a208f781
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/gpio/hw_hpd.h
@@ -0,0 +1,46 @@
+/*
+ * 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_HW_HPD_H__
+#define __DAL_HW_HPD_H__
+
+#include "hpd_regs.h"
+
+struct hw_hpd {
+ struct hw_gpio base;
+ const struct hpd_registers *regs;
+ const struct hpd_sh_mask *shifts;
+ const struct hpd_sh_mask *masks;
+};
+
+#define HW_HPD_FROM_BASE(hw_gpio) \
+ container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_hpd, base)
+
+struct hw_gpio_pin *dal_hw_hpd_create(
+ struct dc_context *ctx,
+ enum gpio_id id,
+ uint32_t en);
+
+#endif