[linux-2.6-block.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 <subdev/bios/dcb.h>

#include <drm/drm_encoder_slave.h>
#include <drm/drm_dp_mst_helper.h>
#include "dispnv04/disp.h"

#define NV_DPMS_CLEARED 0x80

struct nvkm_i2c_port;

struct nouveau_encoder {
	struct drm_encoder_slave base;

	struct dcb_output *dcb;
	int or;
	int link;

	struct i2c_adapter *i2c;
	struct nvkm_i2c_aux *aux;

	/* different to drm_encoder.crtc, this reflects what's
	 * actually programmed on the hw, not the proposed crtc */
	struct drm_crtc *crtc;
	u32 ctrl;

	struct drm_display_mode mode;
	int last_dpms;

	struct nv04_output_reg restore;

	union {
		struct {
			struct nv50_mstm *mstm;
			int link_nr;
			int link_bw;
		} dp;
	};

	void (*enc_save)(struct drm_encoder *encoder);
	void (*enc_restore)(struct drm_encoder *encoder);
	void (*update)(struct nouveau_encoder *, u8 head,
		       struct drm_display_mode *, u8 proto, u8 depth);
};

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 const struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder *enc)
{
	return to_encoder_slave(enc)->slave_funcs;
}

/* nouveau_dp.c */
enum nouveau_dp_status {
	NOUVEAU_DP_SST,
	NOUVEAU_DP_MST,
};

int nouveau_dp_detect(struct nouveau_encoder *);

struct nouveau_connector *
nouveau_encoder_connector_get(struct nouveau_encoder *encoder);

int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
void nv50_mstm_remove(struct nv50_mstm *);
void nv50_mstm_service(struct nv50_mstm *);
#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
51a3d342 BS	30	#include <subdev/bios/dcb.h>
51a3d342 BS	31
760285e7	32	#include <drm/drm_encoder_slave.h>
52aa30f2	33	#include <drm/drm_dp_mst_helper.h>
1a646342	34	#include "dispnv04/disp.h"
6ee73861 BS	35
	36	#define NV_DPMS_CLEARED 0x80
	37
be83cd4e	38	struct nvkm_i2c_port;
4196faa8	39
6ee73861 BS	40	struct nouveau_encoder {
	41	struct drm_encoder_slave base;
	42
cb75d97e	43	struct dcb_output *dcb;
6ee73861	44	int or;
6c22ea37	45	int link;
2aa5eac5 BS	46
	47	struct i2c_adapter *i2c;
	48	struct nvkm_i2c_aux *aux;
6ee73861	49
ec7fc4a1 BS	50	/* different to drm_encoder.crtc, this reflects what's
	51	* actually programmed on the hw, not the proposed crtc */
	52	struct drm_crtc *crtc;
e84a35a8	53	u32 ctrl;
ec7fc4a1	54
6ee73861 BS	55	struct drm_display_mode mode;
	56	int last_dpms;
	57
	58	struct nv04_output_reg restore;
	59
6ee73861 BS	60	union {
6ee73861 BS	61	struct {
52aa30f2	62	struct nv50_mstm *mstm;
6ee73861 BS	63	int link_nr;
	64	int link_bw;
	65	} dp;
	66	};
129b7820 DV	67
	68	void (enc_save)(struct drm_encoder encoder);
	69	void (enc_restore)(struct drm_encoder encoder);
d665c7e9 BS	70	void (update)(struct nouveau_encoder , u8 head,
d665c7e9 BS	71	struct drm_display_mode *, u8 proto, u8 depth);
6ee73861 BS	72	};
6ee73861 BS	73
10b461e4 BS	74	struct nouveau_encoder *
	75	find_encoder(struct drm_connector *connector, int type);
	76
6ee73861 BS	77	static inline struct nouveau_encoder nouveau_encoder(struct drm_encoder enc)
	78	{
	79	struct drm_encoder_slave *slave = to_encoder_slave(enc);
	80
	81	return container_of(slave, struct nouveau_encoder, base);
	82	}
	83
	84	static inline struct drm_encoder to_drm_encoder(struct nouveau_encoder enc)
	85	{
	86	return &enc->base.base;
	87	}
	88
16c3719c	89	static inline const struct drm_encoder_slave_funcs *
4a9f822f FJ	90	get_slave_funcs(struct drm_encoder *enc)
	91	{
	92	return to_encoder_slave(enc)->slave_funcs;
	93	}
	94
8663bc7c	95	/* nouveau_dp.c */
52aa30f2 BS	96	enum nouveau_dp_status {
	97	NOUVEAU_DP_SST,
	98	NOUVEAU_DP_MST,
	99	};
	100
8777c5c1	101	int nouveau_dp_detect(struct nouveau_encoder *);
8663bc7c	102
6ee73861 BS	103	struct nouveau_connector *
6ee73861 BS	104	nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
8663bc7c	105
52aa30f2	106	int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
f479c0ba BS	107	void nv50_mstm_remove(struct nv50_mstm *);
f479c0ba BS	108	void nv50_mstm_service(struct nv50_mstm *);
6ee73861	109	#endif /* __NOUVEAU_ENCODER_H__ */