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nouveau_encoder.h revision 1.1.1.1.6.2 
      1 /*
      2  * Copyright (C) 2008 Maarten Maathuis.
      3  * All Rights Reserved.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining
      6  * a copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the
     14  * next paragraph) shall be included in all copies or substantial
     15  * portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  *
     25  */
     26 
     27 #ifndef __NOUVEAU_ENCODER_H__
     28 #define __NOUVEAU_ENCODER_H__
     29 
     30 #include <subdev/bios/dcb.h>
     31 
     32 #include <drm/drm_encoder_slave.h>
     33 #include "dispnv04/disp.h"
     34 
     35 #define NV_DPMS_CLEARED 0x80
     36 
     37 struct nouveau_i2c_port;
     38 
     39 struct nouveau_encoder {
     40 	struct drm_encoder_slave base;
     41 
     42 	struct dcb_output *dcb;
     43 	int or;
     44 	struct nouveau_i2c_port *i2c;
     45 
     46 	/* different to drm_encoder.crtc, this reflects what's
     47 	 * actually programmed on the hw, not the proposed crtc */
     48 	struct drm_crtc *crtc;
     49 
     50 	struct drm_display_mode mode;
     51 	int last_dpms;
     52 
     53 	struct nv04_output_reg restore;
     54 
     55 	union {
     56 		struct {
     57 			u8  dpcd[8];
     58 			int link_nr;
     59 			int link_bw;
     60 			u32 datarate;
     61 		} dp;
     62 	};
     63 };
     64 
     65 struct nouveau_encoder *
     66 find_encoder(struct drm_connector *connector, int type);
     67 
     68 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
     69 {
     70 	struct drm_encoder_slave *slave = to_encoder_slave(enc);
     71 
     72 	return container_of(slave, struct nouveau_encoder, base);
     73 }
     74 
     75 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
     76 {
     77 	return &enc->base.base;
     78 }
     79 
     80 static inline struct drm_encoder_slave_funcs *
     81 get_slave_funcs(struct drm_encoder *enc)
     82 {
     83 	return to_encoder_slave(enc)->slave_funcs;
     84 }
     85 
     86 /* nouveau_dp.c */
     87 bool nouveau_dp_detect(struct drm_encoder *);
     88 void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
     89 		     struct nouveau_object *);
     90 
     91 struct nouveau_connector *
     92 nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
     93 
     94 #endif /* __NOUVEAU_ENCODER_H__ */
     95