59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/*
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* evdi_cursor.h
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*
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* Copyright (c) 2016 The Chromium OS Authors
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* Copyright (c) 2016 - 2017 DisplayLink (UK) Ltd.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _EVDI_CURSOR_H_
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#define _EVDI_CURSOR_H_
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#include <linux/module.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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struct evdi_cursor;
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struct evdi_framebuffer;
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struct evdi_gem_object;
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int evdi_cursor_init(struct evdi_cursor **cursor);
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void evdi_cursor_free(struct evdi_cursor *cursor);
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void evdi_cursor_lock(struct evdi_cursor *cursor);
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void evdi_cursor_unlock(struct evdi_cursor *cursor);
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bool evdi_cursor_enabled(struct evdi_cursor *cursor);
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void evdi_cursor_enable(struct evdi_cursor *cursor, bool enabled);
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void evdi_cursor_set(struct evdi_cursor *cursor,
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struct evdi_gem_object *obj,
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uint32_t width, uint32_t height,
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int32_t hot_x, int32_t hot_y,
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uint32_t pixel_format, uint32_t stride);
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void evdi_cursor_move(struct evdi_cursor *cursor, int32_t x, int32_t y);
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void evdi_cursor_position(struct evdi_cursor *cursor, int32_t *x, int32_t *y);
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void evdi_cursor_hotpoint(struct evdi_cursor *cursor,
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int32_t *hot_x, int32_t *hot_y);
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void evdi_cursor_size(struct evdi_cursor *cursor,
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uint32_t *width, uint32_t *height);
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void evdi_cursor_format(struct evdi_cursor *cursor, uint32_t *format);
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void evdi_cursor_stride(struct evdi_cursor *cursor, uint32_t *stride);
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struct evdi_gem_object *evdi_cursor_gem(struct evdi_cursor *cursor);
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int evdi_cursor_compose_and_copy(struct evdi_cursor *cursor,
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struct evdi_framebuffer *ufb,
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char __user *buffer,
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int buf_byte_stride);
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#endif
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