255 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			255 lines
		
	
	
		
			7.0 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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| 
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| #ifndef __NOUVEAU_CONNECTOR_H__
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| #define __NOUVEAU_CONNECTOR_H__
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| #include <nvif/conn.h>
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| #include <nvif/event.h>
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| 
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| #include <nvhw/class/cl507d.h>
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| #include <nvhw/class/cl907d.h>
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| #include <nvhw/drf.h>
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| 
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| #include <drm/display/drm_dp_helper.h>
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| #include <drm/drm_crtc.h>
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| #include <drm/drm_encoder.h>
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| #include <drm/drm_util.h>
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| 
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| #include "nouveau_crtc.h"
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| #include "nouveau_encoder.h"
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| 
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| struct nvkm_i2c_port;
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| struct dcb_output;
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| struct edid;
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| 
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| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
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| struct nouveau_backlight {
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| 	struct backlight_device *dev;
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| 
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| 	struct drm_edp_backlight_info edp_info;
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| 	bool uses_dpcd : 1;
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| 
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| 	int id;
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| };
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| #endif
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| 
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| #define nouveau_conn_atom(p)                                                   \
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| 	container_of((p), struct nouveau_conn_atom, state)
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| 
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| struct nouveau_conn_atom {
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| 	struct drm_connector_state state;
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| 
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| 	struct {
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| 		/* The enum values specifically defined here match nv50/gf119
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| 		 * hw values, and the code relies on this.
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| 		 */
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| 		enum {
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| 			DITHERING_MODE_OFF =
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, DISABLE),
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| 			DITHERING_MODE_ON =
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, ENABLE),
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| 			DITHERING_MODE_DYNAMIC2X2 = DITHERING_MODE_ON |
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, DYNAMIC_2X2),
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| 			DITHERING_MODE_STATIC2X2 = DITHERING_MODE_ON |
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, MODE, STATIC_2X2),
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| 			DITHERING_MODE_TEMPORAL = DITHERING_MODE_ON |
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| 				NVDEF(NV907D, HEAD_SET_DITHER_CONTROL, MODE, TEMPORAL),
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| 			DITHERING_MODE_AUTO
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| 		} mode;
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| 		enum {
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| 			DITHERING_DEPTH_6BPC =
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_6_BITS),
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| 			DITHERING_DEPTH_8BPC =
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| 				NVDEF(NV507D, HEAD_SET_DITHER_CONTROL, BITS, DITHER_TO_8_BITS),
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| 			DITHERING_DEPTH_AUTO
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| 		} depth;
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| 	} dither;
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| 
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| 	struct {
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| 		int mode;	/* DRM_MODE_SCALE_* */
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| 		struct {
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| 			enum {
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| 				UNDERSCAN_OFF,
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| 				UNDERSCAN_ON,
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| 				UNDERSCAN_AUTO,
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| 			} mode;
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| 			u32 hborder;
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| 			u32 vborder;
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| 		} underscan;
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| 		bool full;
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| 	} scaler;
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| 
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| 	struct {
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| 		int color_vibrance;
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| 		int vibrant_hue;
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| 	} procamp;
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| 
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| 	union {
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| 		struct {
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| 			bool dither:1;
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| 			bool scaler:1;
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| 			bool procamp:1;
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| 		};
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| 		u8 mask;
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| 	} set;
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| };
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| 
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| struct nouveau_connector {
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| 	struct drm_connector base;
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| 	enum dcb_connector_type type;
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| 	u8 index;
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| 
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| 	struct nvif_conn conn;
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| 	u64 hpd_pending;
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| 	struct nvif_event hpd;
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| 	struct nvif_event irq;
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| 	struct work_struct irq_work;
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| 
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| 	struct drm_dp_aux aux;
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| 
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| 	/* The fixed DP encoder for this connector, if there is one */
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| 	struct nouveau_encoder *dp_encoder;
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| 
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| 	int dithering_mode;
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| 	int scaling_mode;
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| 
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| 	struct nouveau_encoder *detected_encoder;
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| 	struct edid *edid;
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| 	struct drm_display_mode *native_mode;
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| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
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| 	struct nouveau_backlight *backlight;
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| #endif
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| 	/*
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| 	 * Our connector property code expects a nouveau_conn_atom struct
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| 	 * even on pre-nv50 where we do not support atomic. This embedded
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| 	 * version gets used in the non atomic modeset case.
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| 	 */
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| 	struct nouveau_conn_atom properties_state;
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| };
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| 
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| static inline struct nouveau_connector *nouveau_connector(
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| 						struct drm_connector *con)
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| {
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| 	return container_of(con, struct nouveau_connector, base);
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| }
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| 
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| static inline bool
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| nouveau_connector_is_mst(struct drm_connector *connector)
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| {
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| 	const struct nouveau_encoder *nv_encoder;
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| 	const struct drm_encoder *encoder;
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| 
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| 	if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
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| 		return false;
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| 
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| 	nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY);
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| 	if (!nv_encoder)
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| 		return false;
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| 
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| 	encoder = &nv_encoder->base.base;
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| 	return encoder->encoder_type == DRM_MODE_ENCODER_DPMST;
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| }
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| 
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| #define nouveau_for_each_non_mst_connector_iter(connector, iter) \
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| 	drm_for_each_connector_iter(connector, iter) \
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| 		for_each_if(!nouveau_connector_is_mst(connector))
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| 
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| static inline struct nouveau_connector *
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| nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
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| {
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| 	struct drm_device *dev = nv_crtc->base.dev;
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| 	struct drm_connector *connector;
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| 	struct drm_connector_list_iter conn_iter;
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| 	struct nouveau_connector *nv_connector = NULL;
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| 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
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| 
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| 	drm_connector_list_iter_begin(dev, &conn_iter);
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| 	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
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| 		if (connector->encoder && connector->encoder->crtc == crtc) {
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| 			nv_connector = nouveau_connector(connector);
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| 			break;
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| 		}
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| 	}
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| 	drm_connector_list_iter_end(&conn_iter);
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| 
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| 	return nv_connector;
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| }
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| 
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| struct drm_connector *
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| nouveau_connector_create(struct drm_device *, int id);
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| void nouveau_connector_hpd(struct nouveau_connector *, u64 bits);
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| 
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| extern int nouveau_tv_disable;
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| extern int nouveau_ignorelid;
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| extern int nouveau_duallink;
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| extern int nouveau_hdmimhz;
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| 
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| void nouveau_conn_attach_properties(struct drm_connector *);
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| void nouveau_conn_reset(struct drm_connector *);
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| struct drm_connector_state *
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| nouveau_conn_atomic_duplicate_state(struct drm_connector *);
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| void nouveau_conn_atomic_destroy_state(struct drm_connector *,
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| 				       struct drm_connector_state *);
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| int nouveau_conn_atomic_set_property(struct drm_connector *,
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| 				     struct drm_connector_state *,
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| 				     struct drm_property *, u64);
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| int nouveau_conn_atomic_get_property(struct drm_connector *,
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| 				     const struct drm_connector_state *,
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| 				     struct drm_property *, u64 *);
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| struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
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| enum drm_mode_status
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| nouveau_conn_mode_clock_valid(const struct drm_display_mode *,
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| 			      const unsigned min_clock,
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| 			      const unsigned max_clock,
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| 			      unsigned *clock);
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| 
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| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
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| extern int nouveau_backlight_init(struct drm_connector *);
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| extern void nouveau_backlight_fini(struct drm_connector *);
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| extern void nouveau_backlight_ctor(void);
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| extern void nouveau_backlight_dtor(void);
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| #else
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| static inline int
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| nouveau_backlight_init(struct drm_connector *connector)
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| {
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| 	return 0;
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| }
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| 
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| static inline void
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| nouveau_backlight_fini(struct drm_connector *connector) {
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| }
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| 
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| static inline void
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| nouveau_backlight_ctor(void) {
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| }
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| 
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| static inline void
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| nouveau_backlight_dtor(void) {
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| }
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| #endif
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| 
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| #endif /* __NOUVEAU_CONNECTOR_H__ */
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