| 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 | u32 ctrl; |
| 50 | |
| 51 | struct drm_display_mode mode; |
| 52 | int last_dpms; |
| 53 | |
| 54 | struct nv04_output_reg restore; |
| 55 | |
| 56 | union { |
| 57 | struct { |
| 58 | u8 dpcd[8]; |
| 59 | int link_nr; |
| 60 | int link_bw; |
| 61 | u32 datarate; |
| 62 | } dp; |
| 63 | }; |
| 64 | }; |
| 65 | |
| 66 | struct nouveau_encoder * |
| 67 | find_encoder(struct drm_connector *connector, int type); |
| 68 | |
| 69 | static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc) |
| 70 | { |
| 71 | struct drm_encoder_slave *slave = to_encoder_slave(enc); |
| 72 | |
| 73 | return container_of(slave, struct nouveau_encoder, base); |
| 74 | } |
| 75 | |
| 76 | static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc) |
| 77 | { |
| 78 | return &enc->base.base; |
| 79 | } |
| 80 | |
| 81 | static inline struct drm_encoder_slave_funcs * |
| 82 | get_slave_funcs(struct drm_encoder *enc) |
| 83 | { |
| 84 | return to_encoder_slave(enc)->slave_funcs; |
| 85 | } |
| 86 | |
| 87 | /* nouveau_dp.c */ |
| 88 | int nouveau_dp_detect(struct nouveau_encoder *); |
| 89 | |
| 90 | struct nouveau_connector * |
| 91 | nouveau_encoder_connector_get(struct nouveau_encoder *encoder); |
| 92 | |
| 93 | #endif /* __NOUVEAU_ENCODER_H__ */ |