[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / nouveau / nouveau_encoder.h

/*
 * 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/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 *);
void nouveau_dp_dpms(struct drm_encoder *, int mode, 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__ */
Commit	Line	Data
6ee73861 BS	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_ENCODER_H__
	28	#define __NOUVEAU_ENCODER_H__
	29
760285e7	30	#include <drm/drm_encoder_slave.h>
6ee73861 BS	31	#include "nouveau_drv.h"
	32
	33	#define NV_DPMS_CLEARED 0x80
	34
8663bc7c BS	35	struct dp_train_func {
	36	void (link_set)(struct drm_device , struct dcb_entry *, int crtc,
	37	int nr, u32 bw, bool enhframe);
	38	void (train_set)(struct drm_device , struct dcb_entry *, u8 pattern);
	39	void (train_adj)(struct drm_device , struct dcb_entry *,
	40	u8 lane, u8 swing, u8 preem);
	41	};
	42
6ee73861 BS	43	struct nouveau_encoder {
	44	struct drm_encoder_slave base;
	45
	46	struct dcb_entry *dcb;
	47	int or;
	48
ec7fc4a1 BS	49	/* different to drm_encoder.crtc, this reflects what's
	50	* actually programmed on the hw, not the proposed crtc */
	51	struct drm_crtc *crtc;
	52
6ee73861 BS	53	struct drm_display_mode mode;
	54	int last_dpms;
	55
	56	struct nv04_output_reg restore;
	57
6ee73861 BS	58	union {
6ee73861 BS	59	struct {
52e0d0ec	60	u8 dpcd[8];
6ee73861 BS	61	int link_nr;
6ee73861 BS	62	int link_bw;
a002fece	63	u32 datarate;
6ee73861 BS	64	} dp;
	65	};
	66	};
	67
10b461e4 BS	68	struct nouveau_encoder *
	69	find_encoder(struct drm_connector *connector, int type);
	70
6ee73861 BS	71	static inline struct nouveau_encoder nouveau_encoder(struct drm_encoder enc)
	72	{
	73	struct drm_encoder_slave *slave = to_encoder_slave(enc);
	74
	75	return container_of(slave, struct nouveau_encoder, base);
	76	}
	77
	78	static inline struct drm_encoder to_drm_encoder(struct nouveau_encoder enc)
	79	{
	80	return &enc->base.base;
	81	}
	82
4a9f822f FJ	83	static inline struct drm_encoder_slave_funcs *
	84	get_slave_funcs(struct drm_encoder *enc)
	85	{
	86	return to_encoder_slave(enc)->slave_funcs;
	87	}
	88
8663bc7c BS	89	/* nouveau_dp.c */
	90	int nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr,
	91	uint8_t *data, int data_nr);
	92	bool nouveau_dp_detect(struct drm_encoder *);
f14d9a4d BS	93	void nouveau_dp_dpms(struct drm_encoder *, int mode, u32 datarate,
f14d9a4d BS	94	struct dp_train_func *);
8663bc7c BS	95	u8 nouveau_dp_bios_data(struct drm_device , struct dcb_entry , u8 *);
8663bc7c BS	96
6ee73861 BS	97	struct nouveau_connector *
6ee73861 BS	98	nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
8f1a6086	99	int nv50_sor_create(struct drm_connector , struct dcb_entry );
8663bc7c	100	void nv50_sor_dp_calc_tu(struct drm_device *, int, int, u32, u32);
8f1a6086	101	int nv50_dac_create(struct drm_connector , struct dcb_entry );
6ee73861	102
8663bc7c	103
6ee73861	104	#endif /* __NOUVEAU_ENCODER_H__ */