[linux-2.6-block.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>

static void
nvkm_disp_vblank_fini(struct nvkm_event *event, int type, int head)
{
	struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
	disp->func->head.vblank_fini(disp, head);
}

static void
nvkm_disp_vblank_init(struct nvkm_event *event, int type, int head)
{
	struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
	disp->func->head.vblank_init(disp, head);
}

static 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;
}

static const struct nvkm_event_func
nvkm_disp_vblank_func = {
	.ctor = nvkm_disp_vblank_ctor,
	.init = nvkm_disp_vblank_init,
	.fini = nvkm_disp_vblank_fini,
};

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 = nvkm_disp(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) {
		const struct nvkm_disp_oclass *root = disp->func->root(disp);
		oclass->base = root->base;
		oclass->engn = root;
		*class = &nvkm_disp_sclass;
		return 0;
	}
	return 1;
}

static void
nvkm_disp_intr(struct nvkm_engine *engine)
{
	struct nvkm_disp *disp = nvkm_disp(engine);
	disp->func->intr(disp);
}

static int
nvkm_disp_fini(struct nvkm_engine *engine, bool suspend)
{
	struct nvkm_disp *disp = nvkm_disp(engine);
	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 0;
}

static int
nvkm_disp_init(struct nvkm_engine *engine)
{
	struct nvkm_disp *disp = nvkm_disp(engine);
	struct nvkm_connector *conn;
	struct nvkm_output *outp;

	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 0;
}

static void *
nvkm_disp_dtor(struct nvkm_engine *engine)
{
	struct nvkm_disp *disp = nvkm_disp(engine);
	struct nvkm_connector *conn;
	struct nvkm_output *outp;
	void *data = disp;

	if (disp->func->dtor)
		data = disp->func->dtor(disp);

	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);
	}

	return data;
}

static const struct nvkm_engine_func
nvkm_disp = {
	.dtor = nvkm_disp_dtor,
	.init = nvkm_disp_init,
	.fini = nvkm_disp_fini,
	.intr = nvkm_disp_intr,
	.base.sclass = nvkm_disp_class_get,
};

int
nvkm_disp_ctor(const struct nvkm_disp_func *func, struct nvkm_device *device,
	       int index, int heads, struct nvkm_disp *disp)
{
	struct nvkm_bios *bios = device->bios;
	struct nvkm_output *outp, *outt, *pair;
	struct nvkm_connector *conn;
	struct nvbios_connE connE;
	struct dcb_output dcbE;
	u8  hpd = 0, ver, hdr;
	u32 data;
	int ret, i;

	INIT_LIST_HEAD(&disp->outp);
	INIT_LIST_HEAD(&disp->conn);
	disp->func = func;
	disp->head.nr = heads;

	ret = nvkm_engine_ctor(&nvkm_disp, device, index, 0,
			       true, &disp->engine);
	if (ret)
		return ret;

	/* 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 = &disp->func->outp.internal; break;
		case 1: outps = &disp->func->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(&nvkm_disp_vblank_func, 1, heads, &disp->vblank);
	if (ret)
		return ret;

	return 0;
}

int
nvkm_disp_new_(const struct nvkm_disp_func *func, struct nvkm_device *device,
	       int index, int heads, struct nvkm_disp **pdisp)
{
	if (!(*pdisp = kzalloc(sizeof(**pdisp), GFP_KERNEL)))
		return -ENOMEM;
	return nvkm_disp_ctor(func, device, index, heads, *pdisp);
}
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
70aa8670 BS	38	static void
	39	nvkm_disp_vblank_fini(struct nvkm_event *event, int type, int head)
	40	{
	41	struct nvkm_disp disp = container_of(event, typeof(disp), vblank);
	42	disp->func->head.vblank_fini(disp, head);
	43	}
	44
	45	static void
	46	nvkm_disp_vblank_init(struct nvkm_event *event, int type, int head)
	47	{
	48	struct nvkm_disp disp = container_of(event, typeof(disp), vblank);
	49	disp->func->head.vblank_init(disp, head);
	50	}
	51
	52	static int
878da15a BS	53	nvkm_disp_vblank_ctor(struct nvkm_object object, void data, u32 size,
878da15a BS	54	struct nvkm_notify *notify)
79ca2770	55	{
878da15a	56	struct nvkm_disp *disp =
79ca2770 BS	57	container_of(notify->event, typeof(*disp), vblank);
	58	union {
	59	struct nvif_notify_head_req_v0 v0;
	60	} *req = data;
	61	int ret;
	62
	63	if (nvif_unpack(req->v0, 0, 0, false)) {
	64	notify->size = sizeof(struct nvif_notify_head_rep_v0);
	65	if (ret = -ENXIO, req->v0.head <= disp->vblank.index_nr) {
	66	notify->types = 1;
	67	notify->index = req->v0.head;
	68	return 0;
	69	}
	70	}
	71
	72	return ret;
	73	}
	74
70aa8670 BS	75	static const struct nvkm_event_func
	76	nvkm_disp_vblank_func = {
	77	.ctor = nvkm_disp_vblank_ctor,
	78	.init = nvkm_disp_vblank_init,
	79	.fini = nvkm_disp_vblank_fini,
	80	};
	81
79ca2770	82	void
878da15a	83	nvkm_disp_vblank(struct nvkm_disp *disp, int head)
79ca2770 BS	84	{
	85	struct nvif_notify_head_rep_v0 rep = {};
	86	nvkm_event_send(&disp->vblank, 1, head, &rep, sizeof(rep));
	87	}
	88
7a014a87	89	static int
878da15a BS	90	nvkm_disp_hpd_ctor(struct nvkm_object object, void data, u32 size,
878da15a BS	91	struct nvkm_notify *notify)
7a014a87	92	{
878da15a	93	struct nvkm_disp *disp =
79ca2770 BS	94	container_of(notify->event, typeof(*disp), hpd);
	95	union {
	96	struct nvif_notify_conn_req_v0 v0;
	97	} *req = data;
7a014a87	98	struct nvkm_output *outp;
79ca2770 BS	99	int ret;
	100
	101	if (nvif_unpack(req->v0, 0, 0, false)) {
	102	notify->size = sizeof(struct nvif_notify_conn_rep_v0);
	103	list_for_each_entry(outp, &disp->outp, head) {
	104	if (ret = -ENXIO, outp->conn->index == req->v0.conn) {
	105	if (ret = -ENODEV, outp->conn->hpd.event) {
	106	notify->types = req->v0.mask;
	107	notify->index = req->v0.conn;
	108	ret = 0;
	109	}
	110	break;
	111	}
7a014a87 BS	112	}
7a014a87 BS	113	}
79ca2770 BS	114
79ca2770 BS	115	return ret;
7a014a87	116	}
377b1f16	117
79ca2770	118	static const struct nvkm_event_func
878da15a BS	119	nvkm_disp_hpd_func = {
878da15a BS	120	.ctor = nvkm_disp_hpd_ctor
79ca2770 BS	121	};
79ca2770 BS	122
80bc340b	123	int
878da15a	124	nvkm_disp_ntfy(struct nvkm_object object, u32 type, struct nvkm_event *event)
80bc340b	125	{
70aa8670	126	struct nvkm_disp *disp = nvkm_disp(object->engine);
80bc340b BS	127	switch (type) {
	128	case NV04_DISP_NTFY_VBLANK:
	129	*event = &disp->vblank;
	130	return 0;
	131	case NV04_DISP_NTFY_CONN:
	132	*event = &disp->hpd;
	133	return 0;
	134	default:
	135	break;
	136	}
	137	return -EINVAL;
	138	}
	139
0ce41e3c BS	140	static void
	141	nvkm_disp_class_del(struct nvkm_oproxy *oproxy)
	142	{
	143	struct nvkm_disp *disp = nvkm_disp(oproxy->base.engine);
	144	mutex_lock(&disp->engine.subdev.mutex);
	145	if (disp->client == oproxy)
	146	disp->client = NULL;
	147	mutex_unlock(&disp->engine.subdev.mutex);
	148	}
	149
	150	static const struct nvkm_oproxy_func
	151	nvkm_disp_class = {
	152	.dtor[1] = nvkm_disp_class_del,
	153	};
	154
	155	static int
	156	nvkm_disp_class_new(struct nvkm_device *device,
	157	const struct nvkm_oclass oclass, void data, u32 size,
	158	struct nvkm_object **pobject)
	159	{
	160	const struct nvkm_disp_oclass *sclass = oclass->engn;
	161	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	162	struct nvkm_oproxy *oproxy;
	163	int ret;
	164
	165	ret = nvkm_oproxy_new_(&nvkm_disp_class, oclass, &oproxy);
	166	if (ret)
	167	return ret;
	168	*pobject = &oproxy->base;
	169
	170	mutex_lock(&disp->engine.subdev.mutex);
	171	if (disp->client) {
	172	mutex_unlock(&disp->engine.subdev.mutex);
	173	return -EBUSY;
	174	}
	175	disp->client = oproxy;
	176	mutex_unlock(&disp->engine.subdev.mutex);
	177
	178	return sclass->ctor(disp, oclass, data, size, &oproxy->object);
	179	}
	180
	181	static const struct nvkm_device_oclass
	182	nvkm_disp_sclass = {
	183	.ctor = nvkm_disp_class_new,
	184	};
	185
	186	static int
	187	nvkm_disp_class_get(struct nvkm_oclass *oclass, int index,
	188	const struct nvkm_device_oclass **class)
	189	{
	190	struct nvkm_disp *disp = nvkm_disp(oclass->engine);
	191	if (index == 0) {
70aa8670 BS	192	const struct nvkm_disp_oclass *root = disp->func->root(disp);
	193	oclass->base = root->base;
	194	oclass->engn = root;
0ce41e3c BS	195	*class = &nvkm_disp_sclass;
	196	return 0;
	197	}
	198	return 1;
	199	}
	200
70aa8670 BS	201	static void
	202	nvkm_disp_intr(struct nvkm_engine *engine)
	203	{
	204	struct nvkm_disp *disp = nvkm_disp(engine);
	205	disp->func->intr(disp);
	206	}
	207
	208	static int
	209	nvkm_disp_fini(struct nvkm_engine *engine, bool suspend)
377b1f16	210	{
70aa8670	211	struct nvkm_disp *disp = nvkm_disp(engine);
f2c906fc	212	struct nvkm_connector *conn;
7a014a87	213	struct nvkm_output *outp;
7a014a87 BS	214
7a014a87 BS	215	list_for_each_entry(outp, &disp->outp, head) {
f2c906fc	216	nvkm_output_fini(outp);
7a014a87 BS	217	}
7a014a87 BS	218
f2c906fc BS	219	list_for_each_entry(conn, &disp->conn, head) {
f2c906fc BS	220	nvkm_connector_fini(conn);
7a014a87 BS	221	}
7a014a87 BS	222
70aa8670	223	return 0;
377b1f16 BS	224	}
377b1f16 BS	225
70aa8670 BS	226	static int
70aa8670 BS	227	nvkm_disp_init(struct nvkm_engine *engine)
377b1f16	228	{
70aa8670	229	struct nvkm_disp *disp = nvkm_disp(engine);
f2c906fc	230	struct nvkm_connector *conn;
7a014a87	231	struct nvkm_output *outp;
7a014a87	232
f2c906fc BS	233	list_for_each_entry(conn, &disp->conn, head) {
f2c906fc BS	234	nvkm_connector_init(conn);
7a014a87 BS	235	}
7a014a87 BS	236
f2c906fc BS	237	list_for_each_entry(outp, &disp->outp, head) {
f2c906fc BS	238	nvkm_output_init(outp);
7a014a87 BS	239	}
7a014a87 BS	240
70aa8670	241	return 0;
377b1f16	242	}
1d7c71a3	243
70aa8670 BS	244	static void *
70aa8670 BS	245	nvkm_disp_dtor(struct nvkm_engine *engine)
1d7c71a3	246	{
70aa8670	247	struct nvkm_disp *disp = nvkm_disp(engine);
f2c906fc BS	248	struct nvkm_connector *conn;
f2c906fc BS	249	struct nvkm_output *outp;
70aa8670 BS	250	void *data = disp;
	251
	252	if (disp->func->dtor)
	253	data = disp->func->dtor(disp);
7a014a87	254
79ca2770 BS	255	nvkm_event_fini(&disp->vblank);
79ca2770 BS	256	nvkm_event_fini(&disp->hpd);
7a014a87	257
f2c906fc BS	258	while (!list_empty(&disp->outp)) {
	259	outp = list_first_entry(&disp->outp, typeof(*outp), head);
	260	list_del(&outp->head);
	261	nvkm_output_del(&outp);
	262	}
	263
	264	while (!list_empty(&disp->conn)) {
	265	conn = list_first_entry(&disp->conn, typeof(*conn), head);
	266	list_del(&conn->head);
	267	nvkm_connector_del(&conn);
7a014a87 BS	268	}
7a014a87 BS	269
70aa8670	270	return data;
1d7c71a3 BS	271	}
1d7c71a3 BS	272
0ce41e3c BS	273	static const struct nvkm_engine_func
0ce41e3c BS	274	nvkm_disp = {
70aa8670 BS	275	.dtor = nvkm_disp_dtor,
	276	.init = nvkm_disp_init,
	277	.fini = nvkm_disp_fini,
	278	.intr = nvkm_disp_intr,
0ce41e3c BS	279	.base.sclass = nvkm_disp_class_get,
	280	};
	281
1d7c71a3	282	int
70aa8670 BS	283	nvkm_disp_ctor(const struct nvkm_disp_func func, struct nvkm_device device,
70aa8670 BS	284	int index, int heads, struct nvkm_disp *disp)
1d7c71a3	285	{
f2c906fc	286	struct nvkm_bios *bios = device->bios;
f2c906fc	287	struct nvkm_output outp, outt, *pair;
70aa8670	288	struct nvkm_connector *conn;
f2c906fc	289	struct nvbios_connE connE;
7a014a87 BS	290	struct dcb_output dcbE;
	291	u8 hpd = 0, ver, hdr;
	292	u32 data;
	293	int ret, i;
1d7c71a3	294
7a014a87	295	INIT_LIST_HEAD(&disp->outp);
f2c906fc	296	INIT_LIST_HEAD(&disp->conn);
70aa8670 BS	297	disp->func = func;
	298	disp->head.nr = heads;
	299
	300	ret = nvkm_engine_ctor(&nvkm_disp, device, index, 0,
	301	true, &disp->engine);
	302	if (ret)
	303	return ret;
7a014a87 BS	304
	305	/* create output objects for each display path in the vbios */
	306	i = -1;
	307	while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) {
f2c906fc BS	308	const struct nvkm_disp_func_outp *outps;
	309	int (ctor)(struct nvkm_disp , int, struct dcb_output *,
	310	struct nvkm_output **);
	311
7a014a87 BS	312	if (dcbE.type == DCB_OUTPUT_UNUSED)
	313	continue;
	314	if (dcbE.type == DCB_OUTPUT_EOL)
	315	break;
f2c906fc BS	316	outp = NULL;
	317
	318	switch (dcbE.location) {
70aa8670 BS	319	case 0: outps = &disp->func->outp.internal; break;
70aa8670 BS	320	case 1: outps = &disp->func->outp.external; break;
f2c906fc BS	321	default:
	322	nvkm_warn(&disp->engine.subdev,
	323	"dcb %d locn %d unknown\n", i, dcbE.location);
	324	continue;
	325	}
7a014a87	326
f2c906fc BS	327	switch (dcbE.type) {
	328	case DCB_OUTPUT_ANALOG: ctor = outps->crt ; break;
	329	case DCB_OUTPUT_TV : ctor = outps->tv ; break;
	330	case DCB_OUTPUT_TMDS : ctor = outps->tmds; break;
	331	case DCB_OUTPUT_LVDS : ctor = outps->lvds; break;
	332	case DCB_OUTPUT_DP : ctor = outps->dp ; break;
	333	default:
	334	nvkm_warn(&disp->engine.subdev,
	335	"dcb %d type %d unknown\n", i, dcbE.type);
	336	continue;
	337	}
	338
	339	if (ctor)
	340	ret = ctor(disp, i, &dcbE, &outp);
	341	else
	342	ret = -ENODEV;
	343
	344	if (ret) {
	345	if (ret == -ENODEV) {
	346	nvkm_debug(&disp->engine.subdev,
	347	"dcb %d %d/%d not supported\n",
	348	i, dcbE.location, dcbE.type);
	349	continue;
7a014a87	350	}
f2c906fc BS	351	nvkm_error(&disp->engine.subdev,
	352	"failed to create output %d\n", i);
	353	nvkm_output_del(&outp);
	354	continue;
7a014a87 BS	355	}
7a014a87 BS	356
f2c906fc	357	list_add_tail(&outp->head, &disp->outp);
7a014a87 BS	358	hpd = max(hpd, (u8)(dcbE.connector + 1));
	359	}
	360
f2c906fc BS	361	/* create connector objects based on the outputs we support */
	362	list_for_each_entry_safe(outp, outt, &disp->outp, head) {
	363	/* bios data should give us the most useful information */
	364	data = nvbios_connEp(bios, outp->info.connector, &ver, &hdr,
	365	&connE);
	366
	367	/* no bios connector data... */
	368	if (!data) {
	369	/* heuristic: anything with the same ccb index is
	370	* considered to be on the same connector, any
	371	* output path without an associated ccb entry will
	372	* be put on its own connector
	373	*/
	374	int ccb_index = outp->info.i2c_index;
	375	if (ccb_index != 0xf) {
	376	list_for_each_entry(pair, &disp->outp, head) {
	377	if (pair->info.i2c_index == ccb_index) {
	378	outp->conn = pair->conn;
	379	break;
	380	}
	381	}
	382	}
	383
	384	/* connector shared with another output path */
	385	if (outp->conn)
	386	continue;
	387
	388	memset(&connE, 0x00, sizeof(connE));
	389	connE.type = DCB_CONNECTOR_NONE;
	390	i = -1;
	391	} else {
	392	i = outp->info.connector;
	393	}
	394
	395	/* check that we haven't already created this connector */
	396	list_for_each_entry(conn, &disp->conn, head) {
	397	if (conn->index == outp->info.connector) {
	398	outp->conn = conn;
	399	break;
	400	}
	401	}
	402
	403	if (outp->conn)
	404	continue;
	405
	406	/* apparently we need to create a new one! */
	407	ret = nvkm_connector_new(disp, i, &connE, &outp->conn);
	408	if (ret) {
	409	nvkm_error(&disp->engine.subdev,
	410	"failed to create output %d conn: %d\n",
	411	outp->index, ret);
	412	nvkm_connector_del(&outp->conn);
	413	list_del(&outp->head);
	414	nvkm_output_del(&outp);
	415	continue;
	416	}
	417
	418	list_add_tail(&outp->conn->head, &disp->conn);
	419	}
	420
878da15a	421	ret = nvkm_event_init(&nvkm_disp_hpd_func, 3, hpd, &disp->hpd);
7a014a87 BS	422	if (ret)
	423	return ret;
	424
70aa8670	425	ret = nvkm_event_init(&nvkm_disp_vblank_func, 1, heads, &disp->vblank);
377b1f16 BS	426	if (ret)
	427	return ret;
	428
	429	return 0;
1d7c71a3	430	}
70aa8670 BS	431
	432	int
	433	nvkm_disp_new_(const struct nvkm_disp_func func, struct nvkm_device device,
	434	int index, int heads, struct nvkm_disp **pdisp)
	435	{
	436	if (!(pdisp = kzalloc(sizeof(*pdisp), GFP_KERNEL)))
	437	return -ENOMEM;
	438	return nvkm_disp_ctor(func, device, index, heads, *pdisp);
	439	}