/*
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* Copyright (C) 2008 Maarten Maathuis.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __NOUVEAU_ENCODER_H__
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#define __NOUVEAU_ENCODER_H__
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#include <subdev/bios/dcb.h>
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#include <drm/drm_encoder_slave.h>
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#include <drm/drm_dp_mst_helper.h>
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#include "dispnv04/disp.h"
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struct nv50_head_atom;
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#define NV_DPMS_CLEARED 0x80
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struct nvkm_i2c_port;
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struct nouveau_encoder {
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struct drm_encoder_slave base;
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struct dcb_output *dcb;
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int or;
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int link;
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struct i2c_adapter *i2c;
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struct nvkm_i2c_aux *aux;
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/* different to drm_encoder.crtc, this reflects what's
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* actually programmed on the hw, not the proposed crtc */
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struct drm_crtc *crtc;
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u32 ctrl;
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struct drm_display_mode mode;
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int last_dpms;
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struct nv04_output_reg restore;
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union {
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struct {
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struct nv50_mstm *mstm;
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int link_nr;
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int link_bw;
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} dp;
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};
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void (*enc_save)(struct drm_encoder *encoder);
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void (*enc_restore)(struct drm_encoder *encoder);
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void (*update)(struct nouveau_encoder *, u8 head,
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struct nv50_head_atom *, u8 proto, u8 depth);
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};
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struct nouveau_encoder *
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find_encoder(struct drm_connector *connector, int type);
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static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
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{
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struct drm_encoder_slave *slave = to_encoder_slave(enc);
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return container_of(slave, struct nouveau_encoder, base);
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}
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static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
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{
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return &enc->base.base;
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}
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static inline const struct drm_encoder_slave_funcs *
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get_slave_funcs(struct drm_encoder *enc)
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{
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return to_encoder_slave(enc)->slave_funcs;
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}
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/* nouveau_dp.c */
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enum nouveau_dp_status {
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NOUVEAU_DP_SST,
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NOUVEAU_DP_MST,
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};
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int nouveau_dp_detect(struct nouveau_encoder *);
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struct nouveau_connector *
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nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
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int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
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void nv50_mstm_remove(struct nv50_mstm *);
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void nv50_mstm_service(struct nv50_mstm *);
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#endif /* __NOUVEAU_ENCODER_H__ */
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