kernel/drivers/gpu/drm/nouveau/nouveau_connector.h
2024-07-22 17:22:30 +08:00

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