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/*
* 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_ENCODER_H__
#define __NOUVEAU_ENCODER_H__
#include "drm_encoder_slave.h"
#include "nouveau_drv.h"
#define NV_DPMS_CLEARED 0x80
struct dp_train_func {
void (*link_set)(struct drm_device *, struct dcb_entry *, int crtc,
int nr, u32 bw, bool enhframe);
void (*train_set)(struct drm_device *, struct dcb_entry *, u8 pattern);
void (*train_adj)(struct drm_device *, struct dcb_entry *,
u8 lane, u8 swing, u8 preem);
};
struct nouveau_encoder {
struct drm_encoder_slave base;
struct dcb_entry *dcb;
int or;
/* different to drm_encoder.crtc, this reflects what's
* actually programmed on the hw, not the proposed crtc */
struct drm_crtc *crtc;
struct drm_display_mode mode;
int last_dpms;
struct nv04_output_reg restore;
union {
struct {
u8 dpcd[8];
int link_nr;
int link_bw;
u32 datarate;
} dp;
};
};
struct nouveau_encoder *
find_encoder(struct drm_connector *connector, int type);
static inline struct nouveau_encoder *nouveau_encoder(struct drm_encoder *enc)
{
struct drm_encoder_slave *slave = to_encoder_slave(enc);
return container_of(slave, struct nouveau_encoder, base);
}
static inline struct drm_encoder *to_drm_encoder(struct nouveau_encoder *enc)
{
return &enc->base.base;
}
static inline struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder *enc)
{
return to_encoder_slave(enc)->slave_funcs;
}
/* nouveau_dp.c */
int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
uint8_t *data, int data_nr);
bool nouveau_dp_detect(struct drm_encoder *);
bool nouveau_dp_link_train(struct drm_encoder *, u32 datarate,
struct dp_train_func *);
u8 *nouveau_dp_bios_data(struct drm_device *, struct dcb_entry *, u8 **);
struct nouveau_connector *
nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
int nv50_sor_create(struct drm_connector *, struct dcb_entry *);
void nv50_sor_dp_calc_tu(struct drm_device *, int, int, u32, u32);
int nv50_dac_create(struct drm_connector *, struct dcb_entry *);
#endif /* __NOUVEAU_ENCODER_H__ */
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