1 /* $NetBSD: nouveau_encoder.h,v 1.2 2018/08/27 04:58:24 riastradh Exp $ */ 2 3 /* 4 * Copyright (C) 2008 Maarten Maathuis. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sublicense, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial 17 * portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 */ 28 29 #ifndef __NOUVEAU_ENCODER_H__ 30 #define __NOUVEAU_ENCODER_H__ 31 32 #include <subdev/bios/dcb.h> 33 34 #include <drm/drm_encoder_slave.h> 35 #include "dispnv04/disp.h" 36 37 #define NV_DPMS_CLEARED 0x80 38 39 struct nvkm_i2c_port; 40 41 struct nouveau_encoder { 42 struct drm_encoder_slave base; 43 44 struct dcb_output *dcb; 45 int or; 46 47 struct i2c_adapter *i2c; 48 struct nvkm_i2c_aux *aux; 49 50 /* different to drm_encoder.crtc, this reflects what's 51 * actually programmed on the hw, not the proposed crtc */ 52 struct drm_crtc *crtc; 53 u32 ctrl; 54 55 struct drm_display_mode mode; 56 int last_dpms; 57 58 struct nv04_output_reg restore; 59 60 union { 61 struct { 62 u8 dpcd[8]; 63 int link_nr; 64 int link_bw; 65 u32 datarate; 66 } dp; 67 }; 68 }; 69 70 struct nouveau_encoder * 71 find_encoder(struct drm_connector *connector, int type); 72 73 static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc) 74 { 75 struct drm_encoder_slave *slave = to_encoder_slave(enc); 76 77 return container_of(slave, struct nouveau_encoder, base); 78 } 79 80 static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc) 81 { 82 return &enc->base.base; 83 } 84 85 static inline struct drm_encoder_slave_funcs * 86 get_slave_funcs(struct drm_encoder *enc) 87 { 88 return to_encoder_slave(enc)->slave_funcs; 89 } 90 91 /* nouveau_dp.c */ 92 int nouveau_dp_detect(struct nouveau_encoder *); 93 94 struct nouveau_connector * 95 nouveau_encoder_connector_get(struct nouveau_encoder *encoder); 96 97 #endif /* __NOUVEAU_ENCODER_H__ */ 98