root/drivers/gpu/drm/nouveau/nouveau_crtc.h
/*
 * Copyright (C) 2008 Maarten Maathuis.
 * All Rights Reserved.
 *
 * 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 (including the
 * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
 *
 */

#ifndef __NOUVEAU_CRTC_H__
#define __NOUVEAU_CRTC_H__
#include <drm/drm_crtc.h>

#include <nvif/head.h>
#include <nvif/event.h>

struct nouveau_crtc {
        struct drm_crtc base;

        struct nvif_head head;
        int index;
        struct nvif_event vblank;

        uint32_t dpms_saved_fp_control;
        uint32_t fp_users;
        int saturation;
        int sharpness;
        int last_dpms;

        int cursor_saved_x, cursor_saved_y;

        struct {
                int cpp;
                bool blanked;
                uint32_t offset;
                uint32_t handle;
        } fb;

        struct {
                struct nouveau_bo *nvbo;
                uint32_t offset;
                void (*set_offset)(struct nouveau_crtc *, uint32_t offset);
                void (*set_pos)(struct nouveau_crtc *, int x, int y);
                void (*hide)(struct nouveau_crtc *, bool update);
                void (*show)(struct nouveau_crtc *, bool update);
        } cursor;

        struct {
                int depth;
        } lut;

        void (*save)(struct drm_crtc *crtc);
        void (*restore)(struct drm_crtc *crtc);
};

static inline struct nouveau_crtc *nouveau_crtc(struct drm_crtc *crtc)
{
        return crtc ? container_of(crtc, struct nouveau_crtc, base) : NULL;
}

static inline struct drm_crtc *to_drm_crtc(struct nouveau_crtc *crtc)
{
        return &crtc->base;
}

int nv04_cursor_init(struct nouveau_crtc *);

#endif /* __NOUVEAU_CRTC_H__ */