[linux.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;

	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;
			u8  dpcd[8];
			int link_nr;
			int link_bw;
			u32 datarate;
		} dp;
	};

	void (*enc_save)(struct drm_encoder *encoder);
	void (*enc_restore)(struct drm_encoder *encoder);
};

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);
#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;
2aa5eac5 BS	45
	46	struct i2c_adapter *i2c;
	47	struct nvkm_i2c_aux *aux;
6ee73861	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;
e84a35a8	52	u32 ctrl;
ec7fc4a1	53
6ee73861 BS	54	struct drm_display_mode mode;
	55	int last_dpms;
	56
	57	struct nv04_output_reg restore;
	58
6ee73861 BS	59	union {
6ee73861 BS	60	struct {
52aa30f2	61	struct nv50_mstm *mstm;
52e0d0ec	62	u8 dpcd[8];
6ee73861 BS	63	int link_nr;
6ee73861 BS	64	int link_bw;
a002fece	65	u32 datarate;
6ee73861 BS	66	} dp;
6ee73861 BS	67	};
129b7820 SV	68
	69	void (enc_save)(struct drm_encoder encoder);
	70	void (enc_restore)(struct drm_encoder encoder);
6ee73861 BS	71	};
6ee73861 BS	72
10b461e4 BS	73	struct nouveau_encoder *
	74	find_encoder(struct drm_connector *connector, int type);
	75
6ee73861 BS	76	static inline struct nouveau_encoder nouveau_encoder(struct drm_encoder enc)
	77	{
	78	struct drm_encoder_slave *slave = to_encoder_slave(enc);
	79
	80	return container_of(slave, struct nouveau_encoder, base);
	81	}
	82
	83	static inline struct drm_encoder to_drm_encoder(struct nouveau_encoder enc)
	84	{
	85	return &enc->base.base;
	86	}
	87
16c3719c	88	static inline const struct drm_encoder_slave_funcs *
4a9f822f FJ	89	get_slave_funcs(struct drm_encoder *enc)
	90	{
	91	return to_encoder_slave(enc)->slave_funcs;
	92	}
	93
8663bc7c	94	/* nouveau_dp.c */
52aa30f2 BS	95	enum nouveau_dp_status {
	96	NOUVEAU_DP_SST,
	97	NOUVEAU_DP_MST,
	98	};
	99
8777c5c1	100	int nouveau_dp_detect(struct nouveau_encoder *);
8663bc7c	101
6ee73861 BS	102	struct nouveau_connector *
6ee73861 BS	103	nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
8663bc7c	104
52aa30f2	105	int nv50_mstm_detect(struct nv50_mstm *, u8 dpcd[8], int allow);
6ee73861	106	#endif /* __NOUVEAU_ENCODER_H__ */