[deliverable/linux.git] / drivers / gpu / drm / nouveau / nvkm / engine / disp / base.c

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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 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 HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Ben Skeggs
 */
#include "priv.h"
#include "conn.h"
#include "outp.h"

#include <core/client.h>
#include <core/notify.h>
#include <core/oproxy.h>
#include <subdev/bios.h>
#include <subdev/bios/dcb.h>

#include <nvif/class.h>
#include <nvif/event.h>
#include <nvif/unpack.h>

int
nvkm_disp_vblank_ctor(struct nvkm_object *object, void *data, u32 size,
		      struct nvkm_notify *notify)
{
	struct nvkm_disp *disp =
		container_of(notify->event, typeof(*disp), vblank);
	union {
		struct nvif_notify_head_req_v0 v0;
	} *req = data;
	int ret;

	if (nvif_unpack(req->v0, 0, 0, false)) {
		notify->size = sizeof(struct nvif_notify_head_rep_v0);
		if (ret = -ENXIO, req->v0.head <= disp->vblank.index_nr) {
			notify->types = 1;
			notify->index = req->v0.head;
			return 0;
		}
	}

	return ret;
}

void
nvkm_disp_vblank(struct nvkm_disp *disp, int head)
{
	struct nvif_notify_head_rep_v0 rep = {};
	nvkm_event_send(&disp->vblank, 1, head, &rep, sizeof(rep));
}

static int
nvkm_disp_hpd_ctor(struct nvkm_object *object, void *data, u32 size,
		   struct nvkm_notify *notify)
{
	struct nvkm_disp *disp =
		container_of(notify->event, typeof(*disp), hpd);
	union {
		struct nvif_notify_conn_req_v0 v0;
	} *req = data;
	struct nvkm_output *outp;
	int ret;

	if (nvif_unpack(req->v0, 0, 0, false)) {
		notify->size = sizeof(struct nvif_notify_conn_rep_v0);
		list_for_each_entry(outp, &disp->outp, head) {
			if (ret = -ENXIO, outp->conn->index == req->v0.conn) {
				if (ret = -ENODEV, outp->conn->hpd.event) {
					notify->types = req->v0.mask;
					notify->index = req->v0.conn;
					ret = 0;
				}
				break;
			}
		}
	}

	return ret;
}

static const struct nvkm_event_func
nvkm_disp_hpd_func = {
	.ctor = nvkm_disp_hpd_ctor
};

int
nvkm_disp_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **event)
{
	struct nvkm_disp *disp = (void *)object->engine;
	switch (type) {
	case NV04_DISP_NTFY_VBLANK:
		*event = &disp->vblank;
		return 0;
	case NV04_DISP_NTFY_CONN:
		*event = &disp->hpd;
		return 0;
	default:
		break;
	}
	return -EINVAL;
}

static void
nvkm_disp_class_del(struct nvkm_oproxy *oproxy)
{
	struct nvkm_disp *disp = nvkm_disp(oproxy->base.engine);
	mutex_lock(&disp->engine.subdev.mutex);
	if (disp->client == oproxy)
		disp->client = NULL;
	mutex_unlock(&disp->engine.subdev.mutex);
}

static const struct nvkm_oproxy_func
nvkm_disp_class = {
	.dtor[1] = nvkm_disp_class_del,
};

static int
nvkm_disp_class_new(struct nvkm_device *device,
		    const struct nvkm_oclass *oclass, void *data, u32 size,
		    struct nvkm_object **pobject)
{
	const struct nvkm_disp_oclass *sclass = oclass->engn;
	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	struct nvkm_oproxy *oproxy;
	int ret;

	ret = nvkm_oproxy_new_(&nvkm_disp_class, oclass, &oproxy);
	if (ret)
		return ret;
	*pobject = &oproxy->base;

	mutex_lock(&disp->engine.subdev.mutex);
	if (disp->client) {
		mutex_unlock(&disp->engine.subdev.mutex);
		return -EBUSY;
	}
	disp->client = oproxy;
	mutex_unlock(&disp->engine.subdev.mutex);

	return sclass->ctor(disp, oclass, data, size, &oproxy->object);
}

static const struct nvkm_device_oclass
nvkm_disp_sclass = {
	.ctor = nvkm_disp_class_new,
};

static int
nvkm_disp_class_get(struct nvkm_oclass *oclass, int index,
		    const struct nvkm_device_oclass **class)
{
	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	if (index == 0) {
		oclass->base = disp->func->root->base;
		oclass->engn = disp->func->root;
		*class = &nvkm_disp_sclass;
		return 0;
	}
	return 1;
}

int
_nvkm_disp_fini(struct nvkm_object *object, bool suspend)
{
	struct nvkm_disp *disp = (void *)object;
	struct nvkm_connector *conn;
	struct nvkm_output *outp;

	list_for_each_entry(outp, &disp->outp, head) {
		nvkm_output_fini(outp);
	}

	list_for_each_entry(conn, &disp->conn, head) {
		nvkm_connector_fini(conn);
	}

	return nvkm_engine_fini_old(&disp->engine, suspend);
}

int
_nvkm_disp_init(struct nvkm_object *object)
{
	struct nvkm_disp *disp = (void *)object;
	struct nvkm_connector *conn;
	struct nvkm_output *outp;
	int ret;

	ret = nvkm_engine_init_old(&disp->engine);
	if (ret)
		return ret;

	list_for_each_entry(conn, &disp->conn, head) {
		nvkm_connector_init(conn);
	}

	list_for_each_entry(outp, &disp->outp, head) {
		nvkm_output_init(outp);
	}

	return ret;
}

void
_nvkm_disp_dtor(struct nvkm_object *object)
{
	struct nvkm_disp *disp = (void *)object;
	struct nvkm_connector *conn;
	struct nvkm_output *outp;

	nvkm_event_fini(&disp->vblank);
	nvkm_event_fini(&disp->hpd);

	while (!list_empty(&disp->outp)) {
		outp = list_first_entry(&disp->outp, typeof(*outp), head);
		list_del(&outp->head);
		nvkm_output_del(&outp);
	}

	while (!list_empty(&disp->conn)) {
		conn = list_first_entry(&disp->conn, typeof(*conn), head);
		list_del(&conn->head);
		nvkm_connector_del(&conn);
	}

	nvkm_engine_destroy(&disp->engine);
}

static const struct nvkm_engine_func
nvkm_disp = {
	.base.sclass = nvkm_disp_class_get,
};

int
nvkm_disp_create_(struct nvkm_object *parent, struct nvkm_object *engine,
		  struct nvkm_oclass *oclass, int heads, const char *intname,
		  const char *extname, int length, void **pobject)
{
	struct nvkm_disp_impl *impl = (void *)oclass;
	struct nvkm_device *device = (void *)parent;
	struct nvkm_bios *bios = device->bios;
	struct nvkm_disp *disp;
	struct nvkm_connector *conn;
	struct nvkm_output *outp, *outt, *pair;
	struct nvbios_connE connE;
	struct dcb_output dcbE;
	u8  hpd = 0, ver, hdr;
	u32 data;
	int ret, i;

	ret = nvkm_engine_create_(parent, engine, oclass, true, intname,
				  extname, length, pobject);
	disp = *pobject;
	if (ret)
		return ret;

	disp->engine.func = &nvkm_disp;
	INIT_LIST_HEAD(&disp->outp);
	INIT_LIST_HEAD(&disp->conn);

	/* create output objects for each display path in the vbios */
	i = -1;
	while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) {
		const struct nvkm_disp_func_outp *outps;
		int (*ctor)(struct nvkm_disp *, int, struct dcb_output *,
			    struct nvkm_output **);

		if (dcbE.type == DCB_OUTPUT_UNUSED)
			continue;
		if (dcbE.type == DCB_OUTPUT_EOL)
			break;
		outp = NULL;

		switch (dcbE.location) {
		case 0: outps = &impl->outp.internal; break;
		case 1: outps = &impl->outp.external; break;
		default:
			nvkm_warn(&disp->engine.subdev,
				  "dcb %d locn %d unknown\n", i, dcbE.location);
			continue;
		}

		switch (dcbE.type) {
		case DCB_OUTPUT_ANALOG: ctor = outps->crt ; break;
		case DCB_OUTPUT_TV    : ctor = outps->tv  ; break;
		case DCB_OUTPUT_TMDS  : ctor = outps->tmds; break;
		case DCB_OUTPUT_LVDS  : ctor = outps->lvds; break;
		case DCB_OUTPUT_DP    : ctor = outps->dp  ; break;
		default:
			nvkm_warn(&disp->engine.subdev,
				  "dcb %d type %d unknown\n", i, dcbE.type);
			continue;
		}

		if (ctor)
			ret = ctor(disp, i, &dcbE, &outp);
		else
			ret = -ENODEV;

		if (ret) {
			if (ret == -ENODEV) {
				nvkm_debug(&disp->engine.subdev,
					   "dcb %d %d/%d not supported\n",
					   i, dcbE.location, dcbE.type);
				continue;
			}
			nvkm_error(&disp->engine.subdev,
				   "failed to create output %d\n", i);
			nvkm_output_del(&outp);
			continue;
		}

		list_add_tail(&outp->head, &disp->outp);
		hpd = max(hpd, (u8)(dcbE.connector + 1));
	}

	/* create connector objects based on the outputs we support */
	list_for_each_entry_safe(outp, outt, &disp->outp, head) {
		/* bios data *should* give us the most useful information */
		data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr,
				     &connE);

		/* no bios connector data... */
		if (!data) {
			/* heuristic: anything with the same ccb index is
			 * considered to be on the same connector, any
			 * output path without an associated ccb entry will
			 * be put on its own connector
			 */
			int ccb_index = outp->info.i2c_index;
			if (ccb_index != 0xf) {
				list_for_each_entry(pair, &disp->outp, head) {
					if (pair->info.i2c_index == ccb_index) {
						outp->conn = pair->conn;
						break;
					}
				}
			}

			/* connector shared with another output path */
			if (outp->conn)
				continue;

			memset(&connE, 0x00, sizeof(connE));
			connE.type = DCB_CONNECTOR_NONE;
			i = -1;
		} else {
			i = outp->info.connector;
		}

		/* check that we haven't already created this connector */
		list_for_each_entry(conn, &disp->conn, head) {
			if (conn->index == outp->info.connector) {
				outp->conn = conn;
				break;
			}
		}

		if (outp->conn)
			continue;

		/* apparently we need to create a new one! */
		ret = nvkm_connector_new(disp, i, &connE, &outp->conn);
		if (ret) {
			nvkm_error(&disp->engine.subdev,
				   "failed to create output %d conn: %d\n",
				   outp->index, ret);
			nvkm_connector_del(&outp->conn);
			list_del(&outp->head);
			nvkm_output_del(&outp);
			continue;
		}

		list_add_tail(&outp->conn->head, &disp->conn);
	}

	ret = nvkm_event_init(&nvkm_disp_hpd_func, 3, hpd, &disp->hpd);
	if (ret)
		return ret;

	ret = nvkm_event_init(impl->vblank, 1, heads, &disp->vblank);
	if (ret)
		return ret;

	return 0;
}
Commit	Line	Data
1d7c71a3 BS	1	/*
	2	* Copyright 2013 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Ben Skeggs
	23	*/
878da15a BS	24	#include "priv.h"
	25	#include "conn.h"
	26	#include "outp.h"
	27
0ce41e3c	28	#include <core/client.h>
878da15a	29	#include <core/notify.h>
0ce41e3c	30	#include <core/oproxy.h>
878da15a BS	31	#include <subdev/bios.h>
878da15a BS	32	#include <subdev/bios/dcb.h>
1d7c71a3	33
80bc340b	34	#include <nvif/class.h>
79ca2770	35	#include <nvif/event.h>
878da15a	36	#include <nvif/unpack.h>
7a014a87	37
79ca2770	38	int
878da15a BS	39	nvkm_disp_vblank_ctor(struct nvkm_object object, void data, u32 size,
878da15a BS	40	struct nvkm_notify *notify)
79ca2770	41	{
878da15a	42	struct nvkm_disp *disp =
79ca2770 BS	43	container_of(notify->event, typeof(*disp), vblank);
	44	union {
	45	struct nvif_notify_head_req_v0 v0;
	46	} *req = data;
	47	int ret;
	48
	49	if (nvif_unpack(req->v0, 0, 0, false)) {
	50	notify->size = sizeof(struct nvif_notify_head_rep_v0);
	51	if (ret = -ENXIO, req->v0.head <= disp->vblank.index_nr) {
	52	notify->types = 1;
	53	notify->index = req->v0.head;
	54	return 0;
	55	}
	56	}
	57
	58	return ret;
	59	}
	60
	61	void
878da15a	62	nvkm_disp_vblank(struct nvkm_disp *disp, int head)
79ca2770 BS	63	{
	64	struct nvif_notify_head_rep_v0 rep = {};
	65	nvkm_event_send(&disp->vblank, 1, head, &rep, sizeof(rep));
	66	}
	67
7a014a87	68	static int
878da15a BS	69	nvkm_disp_hpd_ctor(struct nvkm_object object, void data, u32 size,
878da15a BS	70	struct nvkm_notify *notify)
7a014a87	71	{
878da15a	72	struct nvkm_disp *disp =
79ca2770 BS	73	container_of(notify->event, typeof(*disp), hpd);
	74	union {
	75	struct nvif_notify_conn_req_v0 v0;
	76	} *req = data;
7a014a87	77	struct nvkm_output *outp;
79ca2770 BS	78	int ret;
	79
	80	if (nvif_unpack(req->v0, 0, 0, false)) {
	81	notify->size = sizeof(struct nvif_notify_conn_rep_v0);
	82	list_for_each_entry(outp, &disp->outp, head) {
	83	if (ret = -ENXIO, outp->conn->index == req->v0.conn) {
	84	if (ret = -ENODEV, outp->conn->hpd.event) {
	85	notify->types = req->v0.mask;
	86	notify->index = req->v0.conn;
	87	ret = 0;
	88	}
	89	break;
	90	}
7a014a87 BS	91	}
7a014a87 BS	92	}
79ca2770 BS	93
79ca2770 BS	94	return ret;
7a014a87	95	}
377b1f16	96
79ca2770	97	static const struct nvkm_event_func
878da15a BS	98	nvkm_disp_hpd_func = {
878da15a BS	99	.ctor = nvkm_disp_hpd_ctor
79ca2770 BS	100	};
79ca2770 BS	101
80bc340b	102	int
878da15a	103	nvkm_disp_ntfy(struct nvkm_object object, u32 type, struct nvkm_event *event)
80bc340b	104	{
878da15a	105	struct nvkm_disp disp = (void )object->engine;
80bc340b BS	106	switch (type) {
	107	case NV04_DISP_NTFY_VBLANK:
	108	*event = &disp->vblank;
	109	return 0;
	110	case NV04_DISP_NTFY_CONN:
	111	*event = &disp->hpd;
	112	return 0;
	113	default:
	114	break;
	115	}
	116	return -EINVAL;
	117	}
	118
0ce41e3c BS	119	static void
	120	nvkm_disp_class_del(struct nvkm_oproxy *oproxy)
	121	{
	122	struct nvkm_disp *disp = nvkm_disp(oproxy->base.engine);
	123	mutex_lock(&disp->engine.subdev.mutex);
	124	if (disp->client == oproxy)
	125	disp->client = NULL;
	126	mutex_unlock(&disp->engine.subdev.mutex);
	127	}
	128
	129	static const struct nvkm_oproxy_func
	130	nvkm_disp_class = {
	131	.dtor[1] = nvkm_disp_class_del,
	132	};
	133
	134	static int
	135	nvkm_disp_class_new(struct nvkm_device *device,
	136	const struct nvkm_oclass oclass, void data, u32 size,
	137	struct nvkm_object **pobject)
	138	{
	139	const struct nvkm_disp_oclass *sclass = oclass->engn;
	140	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	141	struct nvkm_oproxy *oproxy;
	142	int ret;
	143
	144	ret = nvkm_oproxy_new_(&nvkm_disp_class, oclass, &oproxy);
	145	if (ret)
	146	return ret;
	147	*pobject = &oproxy->base;
	148
	149	mutex_lock(&disp->engine.subdev.mutex);
	150	if (disp->client) {
	151	mutex_unlock(&disp->engine.subdev.mutex);
	152	return -EBUSY;
	153	}
	154	disp->client = oproxy;
	155	mutex_unlock(&disp->engine.subdev.mutex);
	156
	157	return sclass->ctor(disp, oclass, data, size, &oproxy->object);
	158	}
	159
	160	static const struct nvkm_device_oclass
	161	nvkm_disp_sclass = {
	162	.ctor = nvkm_disp_class_new,
	163	};
	164
	165	static int
	166	nvkm_disp_class_get(struct nvkm_oclass *oclass, int index,
	167	const struct nvkm_device_oclass **class)
	168	{
	169	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	170	if (index == 0) {
	171	oclass->base = disp->func->root->base;
	172	oclass->engn = disp->func->root;
	173	*class = &nvkm_disp_sclass;
	174	return 0;
	175	}
	176	return 1;
	177	}
	178
377b1f16	179	int
878da15a	180	_nvkm_disp_fini(struct nvkm_object *object, bool suspend)
377b1f16	181	{
878da15a	182	struct nvkm_disp disp = (void )object;
f2c906fc	183	struct nvkm_connector *conn;
7a014a87	184	struct nvkm_output *outp;
7a014a87 BS	185
7a014a87 BS	186	list_for_each_entry(outp, &disp->outp, head) {
f2c906fc	187	nvkm_output_fini(outp);
7a014a87 BS	188	}
7a014a87 BS	189
f2c906fc BS	190	list_for_each_entry(conn, &disp->conn, head) {
f2c906fc BS	191	nvkm_connector_fini(conn);
7a014a87 BS	192	}
7a014a87 BS	193
89c651e2	194	return nvkm_engine_fini_old(&disp->engine, suspend);
377b1f16 BS	195	}
	196
	197	int
878da15a	198	_nvkm_disp_init(struct nvkm_object *object)
377b1f16	199	{
878da15a	200	struct nvkm_disp disp = (void )object;
f2c906fc	201	struct nvkm_connector *conn;
7a014a87 BS	202	struct nvkm_output *outp;
	203	int ret;
	204
89c651e2	205	ret = nvkm_engine_init_old(&disp->engine);
7a014a87 BS	206	if (ret)
	207	return ret;
	208
f2c906fc BS	209	list_for_each_entry(conn, &disp->conn, head) {
f2c906fc BS	210	nvkm_connector_init(conn);
7a014a87 BS	211	}
7a014a87 BS	212
f2c906fc BS	213	list_for_each_entry(outp, &disp->outp, head) {
f2c906fc BS	214	nvkm_output_init(outp);
7a014a87 BS	215	}
	216
	217	return ret;
377b1f16	218	}
1d7c71a3 BS	219
1d7c71a3 BS	220	void
878da15a	221	_nvkm_disp_dtor(struct nvkm_object *object)
1d7c71a3	222	{
878da15a	223	struct nvkm_disp disp = (void )object;
f2c906fc BS	224	struct nvkm_connector *conn;
f2c906fc BS	225	struct nvkm_output *outp;
7a014a87	226
79ca2770 BS	227	nvkm_event_fini(&disp->vblank);
79ca2770 BS	228	nvkm_event_fini(&disp->hpd);
7a014a87	229
f2c906fc BS	230	while (!list_empty(&disp->outp)) {
	231	outp = list_first_entry(&disp->outp, typeof(*outp), head);
	232	list_del(&outp->head);
	233	nvkm_output_del(&outp);
	234	}
	235
	236	while (!list_empty(&disp->conn)) {
	237	conn = list_first_entry(&disp->conn, typeof(*conn), head);
	238	list_del(&conn->head);
	239	nvkm_connector_del(&conn);
7a014a87 BS	240	}
7a014a87 BS	241
fd166a18	242	nvkm_engine_destroy(&disp->engine);
1d7c71a3 BS	243	}
1d7c71a3 BS	244
0ce41e3c BS	245	static const struct nvkm_engine_func
	246	nvkm_disp = {
	247	.base.sclass = nvkm_disp_class_get,
	248	};
	249
1d7c71a3	250	int
878da15a BS	251	nvkm_disp_create_(struct nvkm_object parent, struct nvkm_object engine,
	252	struct nvkm_oclass oclass, int heads, const char intname,
	253	const char extname, int length, void *pobject)
1d7c71a3	254	{
878da15a	255	struct nvkm_disp_impl impl = (void )oclass;
f2c906fc BS	256	struct nvkm_device device = (void )parent;
f2c906fc BS	257	struct nvkm_bios *bios = device->bios;
878da15a	258	struct nvkm_disp *disp;
f2c906fc BS	259	struct nvkm_connector *conn;
	260	struct nvkm_output outp, outt, *pair;
	261	struct nvbios_connE connE;
7a014a87 BS	262	struct dcb_output dcbE;
	263	u8 hpd = 0, ver, hdr;
	264	u32 data;
	265	int ret, i;
1d7c71a3	266
878da15a BS	267	ret = nvkm_engine_create_(parent, engine, oclass, true, intname,
878da15a BS	268	extname, length, pobject);
1d7c71a3 BS	269	disp = *pobject;
	270	if (ret)
	271	return ret;
	272
0ce41e3c	273	disp->engine.func = &nvkm_disp;
7a014a87	274	INIT_LIST_HEAD(&disp->outp);
f2c906fc	275	INIT_LIST_HEAD(&disp->conn);
7a014a87 BS	276
	277	/* create output objects for each display path in the vbios */
	278	i = -1;
	279	while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) {
f2c906fc BS	280	const struct nvkm_disp_func_outp *outps;
	281	int (ctor)(struct nvkm_disp , int, struct dcb_output *,
	282	struct nvkm_output **);
	283
7a014a87 BS	284	if (dcbE.type == DCB_OUTPUT_UNUSED)
	285	continue;
	286	if (dcbE.type == DCB_OUTPUT_EOL)
	287	break;
f2c906fc BS	288	outp = NULL;
	289
	290	switch (dcbE.location) {
	291	case 0: outps = &impl->outp.internal; break;
	292	case 1: outps = &impl->outp.external; break;
	293	default:
	294	nvkm_warn(&disp->engine.subdev,
	295	"dcb %d locn %d unknown\n", i, dcbE.location);
	296	continue;
	297	}
7a014a87	298
f2c906fc BS	299	switch (dcbE.type) {
	300	case DCB_OUTPUT_ANALOG: ctor = outps->crt ; break;
	301	case DCB_OUTPUT_TV : ctor = outps->tv ; break;
	302	case DCB_OUTPUT_TMDS : ctor = outps->tmds; break;
	303	case DCB_OUTPUT_LVDS : ctor = outps->lvds; break;
	304	case DCB_OUTPUT_DP : ctor = outps->dp ; break;
	305	default:
	306	nvkm_warn(&disp->engine.subdev,
	307	"dcb %d type %d unknown\n", i, dcbE.type);
	308	continue;
	309	}
	310
	311	if (ctor)
	312	ret = ctor(disp, i, &dcbE, &outp);
	313	else
	314	ret = -ENODEV;
	315
	316	if (ret) {
	317	if (ret == -ENODEV) {
	318	nvkm_debug(&disp->engine.subdev,
	319	"dcb %d %d/%d not supported\n",
	320	i, dcbE.location, dcbE.type);
	321	continue;
7a014a87	322	}
f2c906fc BS	323	nvkm_error(&disp->engine.subdev,
	324	"failed to create output %d\n", i);
	325	nvkm_output_del(&outp);
	326	continue;
7a014a87 BS	327	}
7a014a87 BS	328
f2c906fc	329	list_add_tail(&outp->head, &disp->outp);
7a014a87 BS	330	hpd = max(hpd, (u8)(dcbE.connector + 1));
	331	}
	332
f2c906fc BS	333	/* create connector objects based on the outputs we support */
	334	list_for_each_entry_safe(outp, outt, &disp->outp, head) {
	335	/* bios data should give us the most useful information */
	336	data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr,
	337	&connE);
	338
	339	/* no bios connector data... */
	340	if (!data) {
	341	/* heuristic: anything with the same ccb index is
	342	* considered to be on the same connector, any
	343	* output path without an associated ccb entry will
	344	* be put on its own connector
	345	*/
	346	int ccb_index = outp->info.i2c_index;
	347	if (ccb_index != 0xf) {
	348	list_for_each_entry(pair, &disp->outp, head) {
	349	if (pair->info.i2c_index == ccb_index) {
	350	outp->conn = pair->conn;
	351	break;
	352	}
	353	}
	354	}
	355
	356	/* connector shared with another output path */
	357	if (outp->conn)
	358	continue;
	359
	360	memset(&connE, 0x00, sizeof(connE));
	361	connE.type = DCB_CONNECTOR_NONE;
	362	i = -1;
	363	} else {
	364	i = outp->info.connector;
	365	}
	366
	367	/* check that we haven't already created this connector */
	368	list_for_each_entry(conn, &disp->conn, head) {
	369	if (conn->index == outp->info.connector) {
	370	outp->conn = conn;
	371	break;
	372	}
	373	}
	374
	375	if (outp->conn)
	376	continue;
	377
	378	/* apparently we need to create a new one! */
	379	ret = nvkm_connector_new(disp, i, &connE, &outp->conn);
	380	if (ret) {
	381	nvkm_error(&disp->engine.subdev,
	382	"failed to create output %d conn: %d\n",
	383	outp->index, ret);
	384	nvkm_connector_del(&outp->conn);
	385	list_del(&outp->head);
	386	nvkm_output_del(&outp);
	387	continue;
	388	}
	389
	390	list_add_tail(&outp->conn->head, &disp->conn);
	391	}
	392
878da15a	393	ret = nvkm_event_init(&nvkm_disp_hpd_func, 3, hpd, &disp->hpd);
7a014a87 BS	394	if (ret)
	395	return ret;
	396
79ca2770	397	ret = nvkm_event_init(impl->vblank, 1, heads, &disp->vblank);
377b1f16 BS	398	if (ret)
	399	return ret;
	400
	401	return 0;
1d7c71a3	402	}