[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / engine / software / nvc0.c

/*
 * Copyright 2012 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 <core/os.h>
#include <core/class.h>
#include <core/engctx.h>
#include <core/event.h>

#include <subdev/bar.h>

#include <engine/software.h>
#include <engine/disp.h>

struct nvc0_software_priv {
	struct nouveau_software base;
};

struct nvc0_software_chan {
	struct nouveau_software_chan base;
};

/*******************************************************************************
 * software object classes
 ******************************************************************************/

static int
nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
				 void *args, u32 size)
{
	struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
	u64 data = *(u32 *)args;
	if (mthd == 0x0400) {
		chan->base.vblank.offset &= 0x00ffffffffULL;
		chan->base.vblank.offset |= data << 32;
	} else {
		chan->base.vblank.offset &= 0xff00000000ULL;
		chan->base.vblank.offset |= data;
	}
	return 0;
}

static int
nvc0_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd,
				void *args, u32 size)
{
	struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
	chan->base.vblank.value = *(u32 *)args;
	return 0;
}

static int
nvc0_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd,
				  void *args, u32 size)
{
	struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
	struct nouveau_disp *disp = nouveau_disp(object);
	u32 crtc = *(u32 *)args;

	if ((nv_device(object)->card_type < NV_E0 && crtc > 1) || crtc > 3)
		return -EINVAL;

	nouveau_event_get(disp->vblank, crtc, &chan->base.vblank.event);
	return 0;
}

static int
nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd,
			void *args, u32 size)
{
	struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
	if (chan->base.flip)
		return chan->base.flip(chan->base.flip_data);
	return -EINVAL;
}

static struct nouveau_omthds
nvc0_software_omthds[] = {
	{ 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
	{ 0x0404, 0x0404, nvc0_software_mthd_vblsem_offset },
	{ 0x0408, 0x0408, nvc0_software_mthd_vblsem_value },
	{ 0x040c, 0x040c, nvc0_software_mthd_vblsem_release },
	{ 0x0500, 0x0500, nvc0_software_mthd_flip },
	{}
};

static struct nouveau_oclass
nvc0_software_sclass[] = {
	{ 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
	{}
};

/*******************************************************************************
 * software context
 ******************************************************************************/

static int
nvc0_software_vblsem_release(struct nouveau_eventh *event, int head)
{
	struct nouveau_software_chan *chan =
		container_of(event, struct nouveau_software_chan, vblank.event);
	struct nvc0_software_priv *priv = (void *)nv_object(chan)->engine;
	struct nouveau_bar *bar = nouveau_bar(priv);

	nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
	bar->flush(bar);
	nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset));
	nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset));
	nv_wr32(priv, 0x060014, chan->vblank.value);

	return NVKM_EVENT_DROP;
}

static int
nvc0_software_context_ctor(struct nouveau_object *parent,
			   struct nouveau_object *engine,
			   struct nouveau_oclass *oclass, void *data, u32 size,
			   struct nouveau_object **pobject)
{
	struct nvc0_software_chan *chan;
	int ret;

	ret = nouveau_software_context_create(parent, engine, oclass, &chan);
	*pobject = nv_object(chan);
	if (ret)
		return ret;

	chan->base.vblank.channel = nv_gpuobj(parent->parent)->addr >> 12;
	chan->base.vblank.event.func = nvc0_software_vblsem_release;
	return 0;
}

static struct nouveau_oclass
nvc0_software_cclass = {
	.handle = NV_ENGCTX(SW, 0xc0),
	.ofuncs = &(struct nouveau_ofuncs) {
		.ctor = nvc0_software_context_ctor,
		.dtor = _nouveau_software_context_dtor,
		.init = _nouveau_software_context_init,
		.fini = _nouveau_software_context_fini,
	},
};

/*******************************************************************************
 * software engine/subdev functions
 ******************************************************************************/

static int
nvc0_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
		   struct nouveau_oclass *oclass, void *data, u32 size,
		   struct nouveau_object **pobject)
{
	struct nvc0_software_priv *priv;
	int ret;

	ret = nouveau_software_create(parent, engine, oclass, &priv);
	*pobject = nv_object(priv);
	if (ret)
		return ret;

	nv_engine(priv)->cclass = &nvc0_software_cclass;
	nv_engine(priv)->sclass = nvc0_software_sclass;
	nv_subdev(priv)->intr = nv04_software_intr;
	return 0;
}

struct nouveau_oclass
nvc0_software_oclass = {
	.handle = NV_ENGINE(SW, 0xc0),
	.ofuncs = &(struct nouveau_ofuncs) {
		.ctor = nvc0_software_ctor,
		.dtor = _nouveau_software_dtor,
		.init = _nouveau_software_init,
		.fini = _nouveau_software_fini,
	},
};
Commit	Line	Data
ebb945a9 BS	1	/*
	2	* Copyright 2012 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	*/
	24
	25	#include <core/os.h>
	26	#include <core/class.h>
	27	#include <core/engctx.h>
1d7c71a3 BS	28	#include <core/event.h>
	29
	30	#include <subdev/bar.h>
ebb945a9 BS	31
	32	#include <engine/software.h>
	33	#include <engine/disp.h>
	34
	35	struct nvc0_software_priv {
	36	struct nouveau_software base;
	37	};
	38
	39	struct nvc0_software_chan {
	40	struct nouveau_software_chan base;
	41	};
	42
	43	/*******************************************************************************
	44	* software object classes
	45	******************************************************************************/
	46
	47	static int
	48	nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
	49	void *args, u32 size)
	50	{
	51	struct nvc0_software_chan chan = (void )nv_engctx(object->parent);
	52	u64 data = (u32 )args;
	53	if (mthd == 0x0400) {
	54	chan->base.vblank.offset &= 0x00ffffffffULL;
	55	chan->base.vblank.offset \|= data << 32;
	56	} else {
	57	chan->base.vblank.offset &= 0xff00000000ULL;
	58	chan->base.vblank.offset \|= data;
	59	}
	60	return 0;
	61	}
	62
	63	static int
	64	nvc0_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd,
	65	void *args, u32 size)
	66	{
	67	struct nvc0_software_chan chan = (void )nv_engctx(object->parent);
	68	chan->base.vblank.value = (u32 )args;
	69	return 0;
	70	}
	71
	72	static int
	73	nvc0_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd,
	74	void *args, u32 size)
	75	{
	76	struct nvc0_software_chan chan = (void )nv_engctx(object->parent);
	77	struct nouveau_disp *disp = nouveau_disp(object);
ebb945a9 BS	78	u32 crtc = (u32 )args;
	79
	80	if ((nv_device(object)->card_type < NV_E0 && crtc > 1) \|\| crtc > 3)
	81	return -EINVAL;
	82
1d7c71a3	83	nouveau_event_get(disp->vblank, crtc, &chan->base.vblank.event);
ebb945a9 BS	84	return 0;
	85	}
	86
	87	static int
	88	nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd,
	89	void *args, u32 size)
	90	{
	91	struct nvc0_software_chan chan = (void )nv_engctx(object->parent);
	92	if (chan->base.flip)
	93	return chan->base.flip(chan->base.flip_data);
	94	return -EINVAL;
	95	}
	96
	97	static struct nouveau_omthds
	98	nvc0_software_omthds[] = {
fb445b3c BS	99	{ 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
	100	{ 0x0404, 0x0404, nvc0_software_mthd_vblsem_offset },
	101	{ 0x0408, 0x0408, nvc0_software_mthd_vblsem_value },
	102	{ 0x040c, 0x040c, nvc0_software_mthd_vblsem_release },
	103	{ 0x0500, 0x0500, nvc0_software_mthd_flip },
ebb945a9 BS	104	{}
	105	};
	106
	107	static struct nouveau_oclass
	108	nvc0_software_sclass[] = {
	109	{ 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
	110	{}
	111	};
	112
	113	/*******************************************************************************
	114	* software context
	115	******************************************************************************/
	116
1d7c71a3 BS	117	static int
	118	nvc0_software_vblsem_release(struct nouveau_eventh *event, int head)
	119	{
	120	struct nouveau_software_chan *chan =
	121	container_of(event, struct nouveau_software_chan, vblank.event);
	122	struct nvc0_software_priv priv = (void )nv_object(chan)->engine;
	123	struct nouveau_bar *bar = nouveau_bar(priv);
	124
	125	nv_wr32(priv, 0x001718, 0x80000000 \| chan->vblank.channel);
	126	bar->flush(bar);
	127	nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset));
	128	nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset));
	129	nv_wr32(priv, 0x060014, chan->vblank.value);
	130
	131	return NVKM_EVENT_DROP;
	132	}
	133
ebb945a9 BS	134	static int
	135	nvc0_software_context_ctor(struct nouveau_object *parent,
	136	struct nouveau_object *engine,
	137	struct nouveau_oclass oclass, void data, u32 size,
	138	struct nouveau_object **pobject)
	139	{
	140	struct nvc0_software_chan *chan;
	141	int ret;
	142
	143	ret = nouveau_software_context_create(parent, engine, oclass, &chan);
	144	*pobject = nv_object(chan);
	145	if (ret)
	146	return ret;
	147
	148	chan->base.vblank.channel = nv_gpuobj(parent->parent)->addr >> 12;
1d7c71a3	149	chan->base.vblank.event.func = nvc0_software_vblsem_release;
ebb945a9 BS	150	return 0;
	151	}
	152
	153	static struct nouveau_oclass
	154	nvc0_software_cclass = {
	155	.handle = NV_ENGCTX(SW, 0xc0),
	156	.ofuncs = &(struct nouveau_ofuncs) {
	157	.ctor = nvc0_software_context_ctor,
	158	.dtor = _nouveau_software_context_dtor,
	159	.init = _nouveau_software_context_init,
	160	.fini = _nouveau_software_context_fini,
	161	},
	162	};
	163
	164	/*******************************************************************************
	165	* software engine/subdev functions
	166	******************************************************************************/
	167
	168	static int
	169	nvc0_software_ctor(struct nouveau_object parent, struct nouveau_object engine,
	170	struct nouveau_oclass oclass, void data, u32 size,
	171	struct nouveau_object **pobject)
	172	{
	173	struct nvc0_software_priv *priv;
	174	int ret;
	175
	176	ret = nouveau_software_create(parent, engine, oclass, &priv);
	177	*pobject = nv_object(priv);
	178	if (ret)
	179	return ret;
	180
	181	nv_engine(priv)->cclass = &nvc0_software_cclass;
	182	nv_engine(priv)->sclass = nvc0_software_sclass;
757833cc	183	nv_subdev(priv)->intr = nv04_software_intr;
ebb945a9 BS	184	return 0;
	185	}
	186
	187	struct nouveau_oclass
	188	nvc0_software_oclass = {
	189	.handle = NV_ENGINE(SW, 0xc0),
	190	.ofuncs = &(struct nouveau_ofuncs) {
	191	.ctor = nvc0_software_ctor,
	192	.dtor = _nouveau_software_dtor,
	193	.init = _nouveau_software_init,
	194	.fini = _nouveau_software_fini,
	195	},
	196	};