160 lines
4.2 KiB
C
160 lines
4.2 KiB
C
/*
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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_helper.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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struct nouveau_connector;
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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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/* Protected by nouveau_drm.audio.lock */
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struct {
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bool enabled;
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struct drm_connector *connector;
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} audio;
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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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/* Protects DP state that needs to be accessed outside
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* connector reprobing contexts
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*/
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struct mutex hpd_irq_lock;
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u8 dpcd[DP_RECEIVER_CAP_SIZE];
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u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
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struct drm_dp_desc desc;
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u8 sink_count;
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} dp;
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};
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struct {
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bool dp_interlace : 1;
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} caps;
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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 nv50_mstm {
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struct nouveau_encoder *outp;
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struct drm_dp_mst_topology_mgr mgr;
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/* Protected under nouveau_encoder->dp.hpd_irq_lock */
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bool can_mst;
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bool is_mst;
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bool suspended;
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bool modified;
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bool disabled;
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int links;
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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_NONE,
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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_connector *, struct nouveau_encoder *);
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void nouveau_dp_irq(struct nouveau_drm *drm,
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struct nouveau_connector *nv_connector);
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enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
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struct nouveau_encoder *,
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const struct drm_display_mode *,
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unsigned *clock);
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struct nouveau_connector *
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nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);
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struct nouveau_connector *
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nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp);
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int nv50_mstm_detect(struct nouveau_encoder *encoder);
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void nv50_mstm_remove(struct nv50_mstm *mstm);
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bool nv50_mstm_service(struct nouveau_drm *drm,
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struct nouveau_connector *nv_connector,
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struct nv50_mstm *mstm);
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#endif /* __NOUVEAU_ENCODER_H__ */
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