linux/drivers/gpu/drm/nouveau/nouveau_encoder.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_ENCODER_H__
#define __NOUVEAU_ENCODER_H__
#include <nvif/outp.h>
#include <subdev/bios/dcb.h>

#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_dp_mst_helper.h>
#include <drm/drm_encoder_slave.h>

#include "dispnv04/disp.h"

struct nv50_head_atom;
struct nouveau_connector;

#define NV_DPMS_CLEARED …

struct nvkm_i2c_port;

struct nouveau_encoder { … };

struct nv50_mstm { … };

struct nouveau_encoder *
find_encoder(struct drm_connector *connector, int type);

static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
{ … }

static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
{ … }

static inline const struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder *enc)
{ … }

/* nouveau_dp.c */
enum nouveau_dp_status { … };

int nouveau_dp_detect(struct nouveau_connector *, struct nouveau_encoder *);
bool nouveau_dp_train(struct nouveau_encoder *, bool mst, u32 khz, u8 bpc);
void nouveau_dp_power_down(struct nouveau_encoder *);
bool nouveau_dp_link_check(struct nouveau_connector *);
void nouveau_dp_irq(struct work_struct *);
enum drm_mode_status nv50_dp_mode_valid(struct nouveau_encoder *,
					const struct drm_display_mode *,
					unsigned *clock);

struct nouveau_connector *
nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);
struct nouveau_connector *
nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);

int nv50_mstm_detect(struct nouveau_encoder *encoder);
void nv50_mstm_remove(struct nv50_mstm *mstm);
bool nv50_mstm_service(struct nouveau_drm *drm,
		       struct nouveau_connector *nv_connector,
		       struct nv50_mstm *mstm);
#endif /* __NOUVEAU_ENCODER_H__ */