linux-sg2042/drivers/gpu/drm/nouveau/nouveau_connector.h

113 lines
3.1 KiB
C

/*
* Copyright (C) 2008 Maarten Maathuis.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __NOUVEAU_CONNECTOR_H__
#define __NOUVEAU_CONNECTOR_H__
#include <drm/drm_edid.h>
#include <drm/drm_dp_helper.h>
#include "nouveau_crtc.h"
#include <core/event.h>
#include <subdev/bios.h>
struct nouveau_i2c_port;
enum nouveau_underscan_type {
UNDERSCAN_OFF,
UNDERSCAN_ON,
UNDERSCAN_AUTO,
};
/* the enum values specifically defined here match nv50/nvd0 hw values, and
* the code relies on this
*/
enum nouveau_dithering_mode {
DITHERING_MODE_OFF = 0x00,
DITHERING_MODE_ON = 0x01,
DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON,
DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON,
DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON,
DITHERING_MODE_AUTO
};
enum nouveau_dithering_depth {
DITHERING_DEPTH_6BPC = 0x00,
DITHERING_DEPTH_8BPC = 0x02,
DITHERING_DEPTH_AUTO
};
struct nouveau_connector {
struct drm_connector base;
enum dcb_connector_type type;
u8 index;
u8 *dcb;
struct nouveau_eventh *hpd;
u32 status;
struct work_struct work;
struct drm_dp_aux aux;
int dithering_mode;
int dithering_depth;
int scaling_mode;
enum nouveau_underscan_type underscan;
u32 underscan_hborder;
u32 underscan_vborder;
struct nouveau_encoder *detected_encoder;
struct edid *edid;
struct drm_display_mode *native_mode;
};
static inline struct nouveau_connector *nouveau_connector(
struct drm_connector *con)
{
return container_of(con, struct nouveau_connector, base);
}
static inline struct nouveau_connector *
nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
{
struct drm_device *dev = nv_crtc->base.dev;
struct drm_connector *connector;
struct drm_crtc *crtc = to_drm_crtc(nv_crtc);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->encoder && connector->encoder->crtc == crtc)
return nouveau_connector(connector);
}
return NULL;
}
struct drm_connector *
nouveau_connector_create(struct drm_device *, int index);
#endif /* __NOUVEAU_CONNECTOR_H__ */