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nouveau_connector.h revision 1.1.1.1.2.2 
      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_CONNECTOR_H__
     28 #define __NOUVEAU_CONNECTOR_H__
     29 
     30 #include <drm/drm_edid.h>
     31 #include "nouveau_crtc.h"
     32 
     33 #include <core/event.h>
     34 
     35 #include <subdev/bios.h>
     36 #include <subdev/bios/gpio.h>
     37 
     38 struct nouveau_i2c_port;
     39 
     40 enum nouveau_underscan_type {
     41 	UNDERSCAN_OFF,
     42 	UNDERSCAN_ON,
     43 	UNDERSCAN_AUTO,
     44 };
     45 
     46 /* the enum values specifically defined here match nv50/nvd0 hw values, and
     47  * the code relies on this
     48  */
     49 enum nouveau_dithering_mode {
     50 	DITHERING_MODE_OFF = 0x00,
     51 	DITHERING_MODE_ON = 0x01,
     52 	DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
     53 	DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
     54 	DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
     55 	DITHERING_MODE_AUTO
     56 };
     57 
     58 enum nouveau_dithering_depth {
     59 	DITHERING_DEPTH_6BPC = 0x00,
     60 	DITHERING_DEPTH_8BPC = 0x02,
     61 	DITHERING_DEPTH_AUTO
     62 };
     63 
     64 struct nouveau_connector {
     65 	struct drm_connector base;
     66 	enum dcb_connector_type type;
     67 	u8 index;
     68 	u8 *dcb;
     69 
     70 	struct dcb_gpio_func hpd;
     71 	struct work_struct hpd_work;
     72 	struct nouveau_eventh *hpd_func;
     73 
     74 	int dithering_mode;
     75 	int dithering_depth;
     76 	int scaling_mode;
     77 	enum nouveau_underscan_type underscan;
     78 	u32 underscan_hborder;
     79 	u32 underscan_vborder;
     80 
     81 	struct nouveau_encoder *detected_encoder;
     82 	struct edid *edid;
     83 	struct drm_display_mode *native_mode;
     84 };
     85 
     86 static inline struct nouveau_connector *nouveau_connector(
     87 						struct drm_connector *con)
     88 {
     89 	return container_of(con, struct nouveau_connector, base);
     90 }
     91 
     92 static inline struct nouveau_connector *
     93 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
     94 {
     95 	struct drm_device *dev = nv_crtc->base.dev;
     96 	struct drm_connector *connector;
     97 	struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
     98 
     99 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
    100 		if (connector->encoder && connector->encoder->crtc == crtc)
    101 			return nouveau_connector(connector);
    102 	}
    103 
    104 	return NULL;
    105 }
    106 
    107 struct drm_connector *
    108 nouveau_connector_create(struct drm_device *, int index);
    109 
    110 #endif /* __NOUVEAU_CONNECTOR_H__ */
    111