/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) STMicroelectronics SA 2014
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* Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
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*/
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#ifndef _STI_PLANE_H_
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#define _STI_PLANE_H_
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_plane_helper.h>
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#define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)
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#define STI_PLANE_TYPE_SHIFT 8
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#define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1))
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enum sti_plane_type {
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STI_GDP = 1 << STI_PLANE_TYPE_SHIFT,
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STI_VDP = 2 << STI_PLANE_TYPE_SHIFT,
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STI_CUR = 3 << STI_PLANE_TYPE_SHIFT,
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STI_BCK = 4 << STI_PLANE_TYPE_SHIFT
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};
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enum sti_plane_id_of_type {
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STI_ID_0 = 0,
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STI_ID_1 = 1,
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STI_ID_2 = 2,
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STI_ID_3 = 3
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};
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enum sti_plane_desc {
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STI_GDP_0 = STI_GDP | STI_ID_0,
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STI_GDP_1 = STI_GDP | STI_ID_1,
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STI_GDP_2 = STI_GDP | STI_ID_2,
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STI_GDP_3 = STI_GDP | STI_ID_3,
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STI_HQVDP_0 = STI_VDP | STI_ID_0,
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STI_CURSOR = STI_CUR,
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STI_BACK = STI_BCK
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};
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enum sti_plane_status {
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STI_PLANE_READY,
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STI_PLANE_UPDATED,
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STI_PLANE_DISABLING,
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STI_PLANE_FLUSHING,
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STI_PLANE_DISABLED,
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};
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#define FPS_LENGTH 128
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struct sti_fps_info {
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bool output;
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unsigned int curr_frame_counter;
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unsigned int last_frame_counter;
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unsigned int curr_field_counter;
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unsigned int last_field_counter;
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ktime_t last_timestamp;
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char fps_str[FPS_LENGTH];
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char fips_str[FPS_LENGTH];
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};
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/**
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* STI plane structure
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*
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* @plane: drm plane it is bound to (if any)
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* @desc: plane type & id
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* @status: to know the status of the plane
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* @fps_info: frame per second info
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*/
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struct sti_plane {
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struct drm_plane drm_plane;
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enum sti_plane_desc desc;
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enum sti_plane_status status;
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struct sti_fps_info fps_info;
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};
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const char *sti_plane_to_str(struct sti_plane *plane);
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void sti_plane_update_fps(struct sti_plane *plane,
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bool new_frame,
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bool new_field);
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void sti_plane_init_property(struct sti_plane *plane,
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enum drm_plane_type type);
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void sti_plane_reset(struct drm_plane *plane);
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#endif
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