drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c - nest-learning-thermostat/5.7.1/linux-imx-ul - Git at Google

 /*
  * 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 "nv40.h"
 #include "regs.h"

 #include <core/client.h>
 #include <core/handle.h>
 #include <subdev/fb.h>
 #include <subdev/timer.h>
 #include <engine/fifo.h>

 struct nv40_gr_priv {
 	struct nvkm_gr base;
 	u32 size;
 };

 struct nv40_gr_chan {
 	struct nvkm_gr_chan base;
 };

 static u64
 nv40_gr_units(struct nvkm_gr *gr)
 {
 	struct nv40_gr_priv *priv = (void *)gr;

 	return nv_rd32(priv, 0x1540);
 }

 /*******************************************************************************
  * Graphics object classes
  ******************************************************************************/

 static int
 nv40_gr_object_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		    struct nvkm_oclass *oclass, void *data, u32 size,
 		    struct nvkm_object **pobject)
 {
 	struct nvkm_gpuobj *obj;
 	int ret;

 	ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent,
 				 20, 16, 0, &obj);
 	*pobject = nv_object(obj);
 	if (ret)
 		return ret;

 	nv_wo32(obj, 0x00, nv_mclass(obj));
 	nv_wo32(obj, 0x04, 0x00000000);
 	nv_wo32(obj, 0x08, 0x00000000);
 #ifdef __BIG_ENDIAN
 	nv_mo32(obj, 0x08, 0x01000000, 0x01000000);
 #endif
 	nv_wo32(obj, 0x0c, 0x00000000);
 	nv_wo32(obj, 0x10, 0x00000000);
 	return 0;
 }

 static struct nvkm_ofuncs
 nv40_gr_ofuncs = {
 	.ctor = nv40_gr_object_ctor,
 	.dtor = _nvkm_gpuobj_dtor,
 	.init = _nvkm_gpuobj_init,
 	.fini = _nvkm_gpuobj_fini,
 	.rd32 = _nvkm_gpuobj_rd32,
 	.wr32 = _nvkm_gpuobj_wr32,
 };

 static struct nvkm_oclass
 nv40_gr_sclass[] = {
 	{ 0x0012, &nv40_gr_ofuncs, NULL }, /* beta1 */
 	{ 0x0019, &nv40_gr_ofuncs, NULL }, /* clip */
 	{ 0x0030, &nv40_gr_ofuncs, NULL }, /* null */
 	{ 0x0039, &nv40_gr_ofuncs, NULL }, /* m2mf */
 	{ 0x0043, &nv40_gr_ofuncs, NULL }, /* rop */
 	{ 0x0044, &nv40_gr_ofuncs, NULL }, /* patt */
 	{ 0x004a, &nv40_gr_ofuncs, NULL }, /* gdi */
 	{ 0x0062, &nv40_gr_ofuncs, NULL }, /* surf2d */
 	{ 0x0072, &nv40_gr_ofuncs, NULL }, /* beta4 */
 	{ 0x0089, &nv40_gr_ofuncs, NULL }, /* sifm */
 	{ 0x008a, &nv40_gr_ofuncs, NULL }, /* ifc */
 	{ 0x009f, &nv40_gr_ofuncs, NULL }, /* imageblit */
 	{ 0x3062, &nv40_gr_ofuncs, NULL }, /* surf2d (nv40) */
 	{ 0x3089, &nv40_gr_ofuncs, NULL }, /* sifm (nv40) */
 	{ 0x309e, &nv40_gr_ofuncs, NULL }, /* swzsurf (nv40) */
 	{ 0x4097, &nv40_gr_ofuncs, NULL }, /* curie */
 	{},
 };

 static struct nvkm_oclass
 nv44_gr_sclass[] = {
 	{ 0x0012, &nv40_gr_ofuncs, NULL }, /* beta1 */
 	{ 0x0019, &nv40_gr_ofuncs, NULL }, /* clip */
 	{ 0x0030, &nv40_gr_ofuncs, NULL }, /* null */
 	{ 0x0039, &nv40_gr_ofuncs, NULL }, /* m2mf */
 	{ 0x0043, &nv40_gr_ofuncs, NULL }, /* rop */
 	{ 0x0044, &nv40_gr_ofuncs, NULL }, /* patt */
 	{ 0x004a, &nv40_gr_ofuncs, NULL }, /* gdi */
 	{ 0x0062, &nv40_gr_ofuncs, NULL }, /* surf2d */
 	{ 0x0072, &nv40_gr_ofuncs, NULL }, /* beta4 */
 	{ 0x0089, &nv40_gr_ofuncs, NULL }, /* sifm */
 	{ 0x008a, &nv40_gr_ofuncs, NULL }, /* ifc */
 	{ 0x009f, &nv40_gr_ofuncs, NULL }, /* imageblit */
 	{ 0x3062, &nv40_gr_ofuncs, NULL }, /* surf2d (nv40) */
 	{ 0x3089, &nv40_gr_ofuncs, NULL }, /* sifm (nv40) */
 	{ 0x309e, &nv40_gr_ofuncs, NULL }, /* swzsurf (nv40) */
 	{ 0x4497, &nv40_gr_ofuncs, NULL }, /* curie */
 	{},
 };

 /*******************************************************************************
  * PGRAPH context
  ******************************************************************************/

 static int
 nv40_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 		     struct nvkm_oclass *oclass, void *data, u32 size,
 		     struct nvkm_object **pobject)
 {
 	struct nv40_gr_priv *priv = (void *)engine;
 	struct nv40_gr_chan *chan;
 	int ret;

 	ret = nvkm_gr_context_create(parent, engine, oclass, NULL, priv->size,
 				     16, NVOBJ_FLAG_ZERO_ALLOC, &chan);
 	*pobject = nv_object(chan);
 	if (ret)
 		return ret;

 	nv40_grctx_fill(nv_device(priv), nv_gpuobj(chan));
 	nv_wo32(chan, 0x00000, nv_gpuobj(chan)->addr >> 4);
 	return 0;
 }

 static int
 nv40_gr_context_fini(struct nvkm_object *object, bool suspend)
 {
 	struct nv40_gr_priv *priv = (void *)object->engine;
 	struct nv40_gr_chan *chan = (void *)object;
 	u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4;
 	int ret = 0;

 	nv_mask(priv, 0x400720, 0x00000001, 0x00000000);

 	if (nv_rd32(priv, 0x40032c) == inst) {
 		if (suspend) {
 			nv_wr32(priv, 0x400720, 0x00000000);
 			nv_wr32(priv, 0x400784, inst);
 			nv_mask(priv, 0x400310, 0x00000020, 0x00000020);
 			nv_mask(priv, 0x400304, 0x00000001, 0x00000001);
 			if (!nv_wait(priv, 0x400300, 0x00000001, 0x00000000)) {
 				u32 insn = nv_rd32(priv, 0x400308);
 				nv_warn(priv, "ctxprog timeout 0x%08x\n", insn);
 				ret = -EBUSY;
 			}
 		}

 		nv_mask(priv, 0x40032c, 0x01000000, 0x00000000);
 	}

 	if (nv_rd32(priv, 0x400330) == inst)
 		nv_mask(priv, 0x400330, 0x01000000, 0x00000000);

 	nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
 	return ret;
 }

 static struct nvkm_oclass
 nv40_gr_cclass = {
 	.handle = NV_ENGCTX(GR, 0x40),
 	.ofuncs = &(struct nvkm_ofuncs) {
 		.ctor = nv40_gr_context_ctor,
 		.dtor = _nvkm_gr_context_dtor,
 		.init = _nvkm_gr_context_init,
 		.fini = nv40_gr_context_fini,
 		.rd32 = _nvkm_gr_context_rd32,
 		.wr32 = _nvkm_gr_context_wr32,
 	},
 };

 /*******************************************************************************
  * PGRAPH engine/subdev functions
  ******************************************************************************/

 static void
 nv40_gr_tile_prog(struct nvkm_engine *engine, int i)
 {
 	struct nvkm_fb_tile *tile = &nvkm_fb(engine)->tile.region[i];
 	struct nvkm_fifo *pfifo = nvkm_fifo(engine);
 	struct nv40_gr_priv *priv = (void *)engine;
 	unsigned long flags;

 	pfifo->pause(pfifo, &flags);
 	nv04_gr_idle(priv);

 	switch (nv_device(priv)->chipset) {
 	case 0x40:
 	case 0x41:
 	case 0x42:
 	case 0x43:
 	case 0x45:
 	case 0x4e:
 		nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
 		nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
 		nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
 		nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
 		nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
 		nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
 		switch (nv_device(priv)->chipset) {
 		case 0x40:
 		case 0x45:
 			nv_wr32(priv, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
 			nv_wr32(priv, NV40_PGRAPH_ZCOMP1(i), tile->zcomp);
 			break;
 		case 0x41:
 		case 0x42:
 		case 0x43:
 			nv_wr32(priv, NV41_PGRAPH_ZCOMP0(i), tile->zcomp);
 			nv_wr32(priv, NV41_PGRAPH_ZCOMP1(i), tile->zcomp);
 			break;
 		default:
 			break;
 		}
 		break;
 	case 0x44:
 	case 0x4a:
 		nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
 		nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
 		nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
 		break;
 	case 0x46:
 	case 0x4c:
 	case 0x47:
 	case 0x49:
 	case 0x4b:
 	case 0x63:
 	case 0x67:
 	case 0x68:
 		nv_wr32(priv, NV47_PGRAPH_TSIZE(i), tile->pitch);
 		nv_wr32(priv, NV47_PGRAPH_TLIMIT(i), tile->limit);
 		nv_wr32(priv, NV47_PGRAPH_TILE(i), tile->addr);
 		nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
 		nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
 		nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
 		switch (nv_device(priv)->chipset) {
 		case 0x47:
 		case 0x49:
 		case 0x4b:
 			nv_wr32(priv, NV47_PGRAPH_ZCOMP0(i), tile->zcomp);
 			nv_wr32(priv, NV47_PGRAPH_ZCOMP1(i), tile->zcomp);
 			break;
 		default:
 			break;
 		}
 		break;
 	default:
 		break;
 	}

 	pfifo->start(pfifo, &flags);
 }

 static void
 nv40_gr_intr(struct nvkm_subdev *subdev)
 {
 	struct nvkm_fifo *pfifo = nvkm_fifo(subdev);
 	struct nvkm_engine *engine = nv_engine(subdev);
 	struct nvkm_object *engctx;
 	struct nvkm_handle *handle = NULL;
 	struct nv40_gr_priv *priv = (void *)subdev;
 	u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
 	u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
 	u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
 	u32 inst = nv_rd32(priv, 0x40032c) & 0x000fffff;
 	u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
 	u32 subc = (addr & 0x00070000) >> 16;
 	u32 mthd = (addr & 0x00001ffc);
 	u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
 	u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xffff;
 	u32 show = stat;
 	int chid;

 	engctx = nvkm_engctx_get(engine, inst);
 	chid   = pfifo->chid(pfifo, engctx);

 	if (stat & NV_PGRAPH_INTR_ERROR) {
 		if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
 			handle = nvkm_handle_get_class(engctx, class);
 			if (handle && !nv_call(handle->object, mthd, data))
 				show &= ~NV_PGRAPH_INTR_ERROR;
 			nvkm_handle_put(handle);
 		}

 		if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
 			nv_mask(priv, 0x402000, 0, 0);
 		}
 	}

 	nv_wr32(priv, NV03_PGRAPH_INTR, stat);
 	nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);

 	if (show) {
 		nv_error(priv, "%s", "");
 		nvkm_bitfield_print(nv10_gr_intr_name, show);
 		pr_cont(" nsource:");
 		nvkm_bitfield_print(nv04_gr_nsource, nsource);
 		pr_cont(" nstatus:");
 		nvkm_bitfield_print(nv10_gr_nstatus, nstatus);
 		pr_cont("\n");
 		nv_error(priv,
 			 "ch %d [0x%08x %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
 			 chid, inst << 4, nvkm_client_name(engctx), subc,
 			 class, mthd, data);
 	}

 	nvkm_engctx_put(engctx);
 }

 static int
 nv40_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	     struct nvkm_oclass *oclass, void *data, u32 size,
 	     struct nvkm_object **pobject)
 {
 	struct nv40_gr_priv *priv;
 	int ret;

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

 	nv_subdev(priv)->unit = 0x00001000;
 	nv_subdev(priv)->intr = nv40_gr_intr;
 	nv_engine(priv)->cclass = &nv40_gr_cclass;
 	if (nv44_gr_class(priv))
 		nv_engine(priv)->sclass = nv44_gr_sclass;
 	else
 		nv_engine(priv)->sclass = nv40_gr_sclass;
 	nv_engine(priv)->tile_prog = nv40_gr_tile_prog;

 	priv->base.units = nv40_gr_units;
 	return 0;
 }

 static int
 nv40_gr_init(struct nvkm_object *object)
 {
 	struct nvkm_engine *engine = nv_engine(object);
 	struct nvkm_fb *pfb = nvkm_fb(object);
 	struct nv40_gr_priv *priv = (void *)engine;
 	int ret, i, j;
 	u32 vramsz;

 	ret = nvkm_gr_init(&priv->base);
 	if (ret)
 		return ret;

 	/* generate and upload context program */
 	ret = nv40_grctx_init(nv_device(priv), &priv->size);
 	if (ret)
 		return ret;

 	/* No context present currently */
 	nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);

 	nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
 	nv_wr32(priv, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);

 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
 	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
 	nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x401287c0);
 	nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
 	nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00008000);
 	nv_wr32(priv, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);

 	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
 	nv_wr32(priv, NV10_PGRAPH_STATE      , 0xFFFFFFFF);

 	j = nv_rd32(priv, 0x1540) & 0xff;
 	if (j) {
 		for (i = 0; !(j & 1); j >>= 1, i++)
 			;
 		nv_wr32(priv, 0x405000, i);
 	}

 	if (nv_device(priv)->chipset == 0x40) {
 		nv_wr32(priv, 0x4009b0, 0x83280fff);
 		nv_wr32(priv, 0x4009b4, 0x000000a0);
 	} else {
 		nv_wr32(priv, 0x400820, 0x83280eff);
 		nv_wr32(priv, 0x400824, 0x000000a0);
 	}

 	switch (nv_device(priv)->chipset) {
 	case 0x40:
 	case 0x45:
 		nv_wr32(priv, 0x4009b8, 0x0078e366);
 		nv_wr32(priv, 0x4009bc, 0x0000014c);
 		break;
 	case 0x41:
 	case 0x42: /* pciid also 0x00Cx */
 	/* case 0x0120: XXX (pciid) */
 		nv_wr32(priv, 0x400828, 0x007596ff);
 		nv_wr32(priv, 0x40082c, 0x00000108);
 		break;
 	case 0x43:
 		nv_wr32(priv, 0x400828, 0x0072cb77);
 		nv_wr32(priv, 0x40082c, 0x00000108);
 		break;
 	case 0x44:
 	case 0x46: /* G72 */
 	case 0x4a:
 	case 0x4c: /* G7x-based C51 */
 	case 0x4e:
 		nv_wr32(priv, 0x400860, 0);
 		nv_wr32(priv, 0x400864, 0);
 		break;
 	case 0x47: /* G70 */
 	case 0x49: /* G71 */
 	case 0x4b: /* G73 */
 		nv_wr32(priv, 0x400828, 0x07830610);
 		nv_wr32(priv, 0x40082c, 0x0000016A);
 		break;
 	default:
 		break;
 	}

 	nv_wr32(priv, 0x400b38, 0x2ffff800);
 	nv_wr32(priv, 0x400b3c, 0x00006000);

 	/* Tiling related stuff. */
 	switch (nv_device(priv)->chipset) {
 	case 0x44:
 	case 0x4a:
 		nv_wr32(priv, 0x400bc4, 0x1003d888);
 		nv_wr32(priv, 0x400bbc, 0xb7a7b500);
 		break;
 	case 0x46:
 		nv_wr32(priv, 0x400bc4, 0x0000e024);
 		nv_wr32(priv, 0x400bbc, 0xb7a7b520);
 		break;
 	case 0x4c:
 	case 0x4e:
 	case 0x67:
 		nv_wr32(priv, 0x400bc4, 0x1003d888);
 		nv_wr32(priv, 0x400bbc, 0xb7a7b540);
 		break;
 	default:
 		break;
 	}

 	/* Turn all the tiling regions off. */
 	for (i = 0; i < pfb->tile.regions; i++)
 		engine->tile_prog(engine, i);

 	/* begin RAM config */
 	vramsz = nv_device_resource_len(nv_device(priv), 0) - 1;
 	switch (nv_device(priv)->chipset) {
 	case 0x40:
 		nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
 		nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
 		nv_wr32(priv, 0x4069A4, nv_rd32(priv, 0x100200));
 		nv_wr32(priv, 0x4069A8, nv_rd32(priv, 0x100204));
 		nv_wr32(priv, 0x400820, 0);
 		nv_wr32(priv, 0x400824, 0);
 		nv_wr32(priv, 0x400864, vramsz);
 		nv_wr32(priv, 0x400868, vramsz);
 		break;
 	default:
 		switch (nv_device(priv)->chipset) {
 		case 0x41:
 		case 0x42:
 		case 0x43:
 		case 0x45:
 		case 0x4e:
 		case 0x44:
 		case 0x4a:
 			nv_wr32(priv, 0x4009F0, nv_rd32(priv, 0x100200));
 			nv_wr32(priv, 0x4009F4, nv_rd32(priv, 0x100204));
 			break;
 		default:
 			nv_wr32(priv, 0x400DF0, nv_rd32(priv, 0x100200));
 			nv_wr32(priv, 0x400DF4, nv_rd32(priv, 0x100204));
 			break;
 		}
 		nv_wr32(priv, 0x4069F0, nv_rd32(priv, 0x100200));
 		nv_wr32(priv, 0x4069F4, nv_rd32(priv, 0x100204));
 		nv_wr32(priv, 0x400840, 0);
 		nv_wr32(priv, 0x400844, 0);
 		nv_wr32(priv, 0x4008A0, vramsz);
 		nv_wr32(priv, 0x4008A4, vramsz);
 		break;
 	}

 	return 0;
 }

 struct nvkm_oclass
 nv40_gr_oclass = {
 	.handle = NV_ENGINE(GR, 0x40),
 	.ofuncs = &(struct nvkm_ofuncs) {
 		.ctor = nv40_gr_ctor,
 		.dtor = _nvkm_gr_dtor,
 		.init = nv40_gr_init,
 		.fini = _nvkm_gr_fini,
 	},
 };
	/*
	* 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 "nv40.h"
	#include "regs.h"

	#include <core/client.h>
	#include <core/handle.h>
	#include <subdev/fb.h>
	#include <subdev/timer.h>
	#include <engine/fifo.h>

	struct nv40_gr_priv {
	struct nvkm_gr base;
	u32 size;
	};

	struct nv40_gr_chan {
	struct nvkm_gr_chan base;
	};

	static u64
	nv40_gr_units(struct nvkm_gr *gr)
	{
	struct nv40_gr_priv priv = (void )gr;

	return nv_rd32(priv, 0x1540);
	}

	/*******************************************************************************
	* Graphics object classes
	******************************************************************************/

	static int
	nv40_gr_object_ctor(struct nvkm_object parent, struct nvkm_object engine,
	struct nvkm_oclass oclass, void data, u32 size,
	struct nvkm_object **pobject)
	{
	struct nvkm_gpuobj *obj;
	int ret;

	ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent,
	20, 16, 0, &obj);
	*pobject = nv_object(obj);
	if (ret)
	return ret;

	nv_wo32(obj, 0x00, nv_mclass(obj));
	nv_wo32(obj, 0x04, 0x00000000);
	nv_wo32(obj, 0x08, 0x00000000);
	#ifdef __BIG_ENDIAN
	nv_mo32(obj, 0x08, 0x01000000, 0x01000000);
	#endif
	nv_wo32(obj, 0x0c, 0x00000000);
	nv_wo32(obj, 0x10, 0x00000000);
	return 0;
	}

	static struct nvkm_ofuncs
	nv40_gr_ofuncs = {
	.ctor = nv40_gr_object_ctor,
	.dtor = _nvkm_gpuobj_dtor,
	.init = _nvkm_gpuobj_init,
	.fini = _nvkm_gpuobj_fini,
	.rd32 = _nvkm_gpuobj_rd32,
	.wr32 = _nvkm_gpuobj_wr32,
	};

	static struct nvkm_oclass
	nv40_gr_sclass[] = {
	{ 0x0012, &nv40_gr_ofuncs, NULL }, /* beta1 */
	{ 0x0019, &nv40_gr_ofuncs, NULL }, /* clip */
	{ 0x0030, &nv40_gr_ofuncs, NULL }, /* null */
	{ 0x0039, &nv40_gr_ofuncs, NULL }, /* m2mf */
	{ 0x0043, &nv40_gr_ofuncs, NULL }, /* rop */
	{ 0x0044, &nv40_gr_ofuncs, NULL }, /* patt */
	{ 0x004a, &nv40_gr_ofuncs, NULL }, /* gdi */
	{ 0x0062, &nv40_gr_ofuncs, NULL }, /* surf2d */
	{ 0x0072, &nv40_gr_ofuncs, NULL }, /* beta4 */
	{ 0x0089, &nv40_gr_ofuncs, NULL }, /* sifm */
	{ 0x008a, &nv40_gr_ofuncs, NULL }, /* ifc */
	{ 0x009f, &nv40_gr_ofuncs, NULL }, /* imageblit */
	{ 0x3062, &nv40_gr_ofuncs, NULL }, /* surf2d (nv40) */
	{ 0x3089, &nv40_gr_ofuncs, NULL }, /* sifm (nv40) */
	{ 0x309e, &nv40_gr_ofuncs, NULL }, /* swzsurf (nv40) */
	{ 0x4097, &nv40_gr_ofuncs, NULL }, /* curie */
	{},
	};

	static struct nvkm_oclass
	nv44_gr_sclass[] = {
	{ 0x0012, &nv40_gr_ofuncs, NULL }, /* beta1 */
	{ 0x0019, &nv40_gr_ofuncs, NULL }, /* clip */
	{ 0x0030, &nv40_gr_ofuncs, NULL }, /* null */
	{ 0x0039, &nv40_gr_ofuncs, NULL }, /* m2mf */
	{ 0x0043, &nv40_gr_ofuncs, NULL }, /* rop */
	{ 0x0044, &nv40_gr_ofuncs, NULL }, /* patt */
	{ 0x004a, &nv40_gr_ofuncs, NULL }, /* gdi */
	{ 0x0062, &nv40_gr_ofuncs, NULL }, /* surf2d */
	{ 0x0072, &nv40_gr_ofuncs, NULL }, /* beta4 */
	{ 0x0089, &nv40_gr_ofuncs, NULL }, /* sifm */
	{ 0x008a, &nv40_gr_ofuncs, NULL }, /* ifc */
	{ 0x009f, &nv40_gr_ofuncs, NULL }, /* imageblit */
	{ 0x3062, &nv40_gr_ofuncs, NULL }, /* surf2d (nv40) */
	{ 0x3089, &nv40_gr_ofuncs, NULL }, /* sifm (nv40) */
	{ 0x309e, &nv40_gr_ofuncs, NULL }, /* swzsurf (nv40) */
	{ 0x4497, &nv40_gr_ofuncs, NULL }, /* curie */
	{},
	};

	/*******************************************************************************
	* PGRAPH context
	******************************************************************************/

	static int
	nv40_gr_context_ctor(struct nvkm_object parent, struct nvkm_object engine,
	struct nvkm_oclass oclass, void data, u32 size,
	struct nvkm_object **pobject)
	{
	struct nv40_gr_priv priv = (void )engine;
	struct nv40_gr_chan *chan;
	int ret;

	ret = nvkm_gr_context_create(parent, engine, oclass, NULL, priv->size,
	16, NVOBJ_FLAG_ZERO_ALLOC, &chan);
	*pobject = nv_object(chan);
	if (ret)
	return ret;

	nv40_grctx_fill(nv_device(priv), nv_gpuobj(chan));
	nv_wo32(chan, 0x00000, nv_gpuobj(chan)->addr >> 4);
	return 0;
	}

	static int
	nv40_gr_context_fini(struct nvkm_object *object, bool suspend)
	{
	struct nv40_gr_priv priv = (void )object->engine;
	struct nv40_gr_chan chan = (void )object;
	u32 inst = 0x01000000 \| nv_gpuobj(chan)->addr >> 4;
	int ret = 0;

	nv_mask(priv, 0x400720, 0x00000001, 0x00000000);

	if (nv_rd32(priv, 0x40032c) == inst) {
	if (suspend) {
	nv_wr32(priv, 0x400720, 0x00000000);
	nv_wr32(priv, 0x400784, inst);
	nv_mask(priv, 0x400310, 0x00000020, 0x00000020);
	nv_mask(priv, 0x400304, 0x00000001, 0x00000001);
	if (!nv_wait(priv, 0x400300, 0x00000001, 0x00000000)) {
	u32 insn = nv_rd32(priv, 0x400308);
	nv_warn(priv, "ctxprog timeout 0x%08x\n", insn);
	ret = -EBUSY;
	}
	}

	nv_mask(priv, 0x40032c, 0x01000000, 0x00000000);
	}

	if (nv_rd32(priv, 0x400330) == inst)
	nv_mask(priv, 0x400330, 0x01000000, 0x00000000);

	nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
	return ret;
	}

	static struct nvkm_oclass
	nv40_gr_cclass = {
	.handle = NV_ENGCTX(GR, 0x40),
	.ofuncs = &(struct nvkm_ofuncs) {
	.ctor = nv40_gr_context_ctor,
	.dtor = _nvkm_gr_context_dtor,
	.init = _nvkm_gr_context_init,
	.fini = nv40_gr_context_fini,
	.rd32 = _nvkm_gr_context_rd32,
	.wr32 = _nvkm_gr_context_wr32,
	},
	};

	/*******************************************************************************
	* PGRAPH engine/subdev functions
	******************************************************************************/

	static void
	nv40_gr_tile_prog(struct nvkm_engine *engine, int i)
	{
	struct nvkm_fb_tile *tile = &nvkm_fb(engine)->tile.region[i];
	struct nvkm_fifo *pfifo = nvkm_fifo(engine);
	struct nv40_gr_priv priv = (void )engine;
	unsigned long flags;

	pfifo->pause(pfifo, &flags);
	nv04_gr_idle(priv);

	switch (nv_device(priv)->chipset) {
	case 0x40:
	case 0x41:
	case 0x42:
	case 0x43:
	case 0x45:
	case 0x4e:
	nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
	nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
	nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
	nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
	nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
	nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
	switch (nv_device(priv)->chipset) {
	case 0x40:
	case 0x45:
	nv_wr32(priv, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
	nv_wr32(priv, NV40_PGRAPH_ZCOMP1(i), tile->zcomp);
	break;
	case 0x41:
	case 0x42:
	case 0x43:
	nv_wr32(priv, NV41_PGRAPH_ZCOMP0(i), tile->zcomp);
	nv_wr32(priv, NV41_PGRAPH_ZCOMP1(i), tile->zcomp);
	break;
	default:
	break;
	}
	break;
	case 0x44:
	case 0x4a:
	nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
	nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
	nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
	break;
	case 0x46:
	case 0x4c:
	case 0x47:
	case 0x49:
	case 0x4b:
	case 0x63:
	case 0x67:
	case 0x68:
	nv_wr32(priv, NV47_PGRAPH_TSIZE(i), tile->pitch);
	nv_wr32(priv, NV47_PGRAPH_TLIMIT(i), tile->limit);
	nv_wr32(priv, NV47_PGRAPH_TILE(i), tile->addr);
	nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
	nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
	nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
	switch (nv_device(priv)->chipset) {
	case 0x47:
	case 0x49:
	case 0x4b:
	nv_wr32(priv, NV47_PGRAPH_ZCOMP0(i), tile->zcomp);
	nv_wr32(priv, NV47_PGRAPH_ZCOMP1(i), tile->zcomp);
	break;
	default:
	break;
	}
	break;
	default:
	break;
	}

	pfifo->start(pfifo, &flags);
	}

	static void
	nv40_gr_intr(struct nvkm_subdev *subdev)
	{
	struct nvkm_fifo *pfifo = nvkm_fifo(subdev);
	struct nvkm_engine *engine = nv_engine(subdev);
	struct nvkm_object *engctx;
	struct nvkm_handle *handle = NULL;
	struct nv40_gr_priv priv = (void )subdev;
	u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
	u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
	u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
	u32 inst = nv_rd32(priv, 0x40032c) & 0x000fffff;
	u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
	u32 subc = (addr & 0x00070000) >> 16;
	u32 mthd = (addr & 0x00001ffc);
	u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
	u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xffff;
	u32 show = stat;
	int chid;

	engctx = nvkm_engctx_get(engine, inst);
	chid = pfifo->chid(pfifo, engctx);

	if (stat & NV_PGRAPH_INTR_ERROR) {
	if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
	handle = nvkm_handle_get_class(engctx, class);
	if (handle && !nv_call(handle->object, mthd, data))
	show &= ~NV_PGRAPH_INTR_ERROR;
	nvkm_handle_put(handle);
	}

	if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
	nv_mask(priv, 0x402000, 0, 0);
	}
	}

	nv_wr32(priv, NV03_PGRAPH_INTR, stat);
	nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);

	if (show) {
	nv_error(priv, "%s", "");
	nvkm_bitfield_print(nv10_gr_intr_name, show);
	pr_cont(" nsource:");
	nvkm_bitfield_print(nv04_gr_nsource, nsource);
	pr_cont(" nstatus:");
	nvkm_bitfield_print(nv10_gr_nstatus, nstatus);
	pr_cont("\n");
	nv_error(priv,
	"ch %d [0x%08x %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
	chid, inst << 4, nvkm_client_name(engctx), subc,
	class, mthd, data);
	}

	nvkm_engctx_put(engctx);
	}

	static int
	nv40_gr_ctor(struct nvkm_object parent, struct nvkm_object engine,
	struct nvkm_oclass oclass, void data, u32 size,
	struct nvkm_object **pobject)
	{
	struct nv40_gr_priv *priv;
	int ret;

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

	nv_subdev(priv)->unit = 0x00001000;
	nv_subdev(priv)->intr = nv40_gr_intr;
	nv_engine(priv)->cclass = &nv40_gr_cclass;
	if (nv44_gr_class(priv))
	nv_engine(priv)->sclass = nv44_gr_sclass;
	else
	nv_engine(priv)->sclass = nv40_gr_sclass;
	nv_engine(priv)->tile_prog = nv40_gr_tile_prog;

	priv->base.units = nv40_gr_units;
	return 0;
	}

	static int
	nv40_gr_init(struct nvkm_object *object)
	{
	struct nvkm_engine *engine = nv_engine(object);
	struct nvkm_fb *pfb = nvkm_fb(object);
	struct nv40_gr_priv priv = (void )engine;
	int ret, i, j;
	u32 vramsz;

	ret = nvkm_gr_init(&priv->base);
	if (ret)
	return ret;

	/* generate and upload context program */
	ret = nv40_grctx_init(nv_device(priv), &priv->size);
	if (ret)
	return ret;

	/* No context present currently */
	nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);

	nv_wr32(priv, NV03_PGRAPH_INTR , 0xFFFFFFFF);
	nv_wr32(priv, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);

	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
	nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
	nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x401287c0);
	nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
	nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00008000);
	nv_wr32(priv, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);

	nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
	nv_wr32(priv, NV10_PGRAPH_STATE , 0xFFFFFFFF);

	j = nv_rd32(priv, 0x1540) & 0xff;
	if (j) {
	for (i = 0; !(j & 1); j >>= 1, i++)
	;
	nv_wr32(priv, 0x405000, i);
	}

	if (nv_device(priv)->chipset == 0x40) {
	nv_wr32(priv, 0x4009b0, 0x83280fff);
	nv_wr32(priv, 0x4009b4, 0x000000a0);
	} else {
	nv_wr32(priv, 0x400820, 0x83280eff);
	nv_wr32(priv, 0x400824, 0x000000a0);
	}

	switch (nv_device(priv)->chipset) {
	case 0x40:
	case 0x45:
	nv_wr32(priv, 0x4009b8, 0x0078e366);
	nv_wr32(priv, 0x4009bc, 0x0000014c);
	break;
	case 0x41:
	case 0x42: /* pciid also 0x00Cx */
	/* case 0x0120: XXX (pciid) */
	nv_wr32(priv, 0x400828, 0x007596ff);
	nv_wr32(priv, 0x40082c, 0x00000108);
	break;
	case 0x43:
	nv_wr32(priv, 0x400828, 0x0072cb77);
	nv_wr32(priv, 0x40082c, 0x00000108);
	break;
	case 0x44:
	case 0x46: /* G72 */
	case 0x4a:
	case 0x4c: /* G7x-based C51 */
	case 0x4e:
	nv_wr32(priv, 0x400860, 0);
	nv_wr32(priv, 0x400864, 0);
	break;
	case 0x47: /* G70 */
	case 0x49: /* G71 */
	case 0x4b: /* G73 */
	nv_wr32(priv, 0x400828, 0x07830610);
	nv_wr32(priv, 0x40082c, 0x0000016A);
	break;
	default:
	break;
	}

	nv_wr32(priv, 0x400b38, 0x2ffff800);
	nv_wr32(priv, 0x400b3c, 0x00006000);

	/* Tiling related stuff. */
	switch (nv_device(priv)->chipset) {
	case 0x44:
	case 0x4a:
	nv_wr32(priv, 0x400bc4, 0x1003d888);
	nv_wr32(priv, 0x400bbc, 0xb7a7b500);
	break;
	case 0x46:
	nv_wr32(priv, 0x400bc4, 0x0000e024);
	nv_wr32(priv, 0x400bbc, 0xb7a7b520);
	break;
	case 0x4c:
	case 0x4e:
	case 0x67:
	nv_wr32(priv, 0x400bc4, 0x1003d888);
	nv_wr32(priv, 0x400bbc, 0xb7a7b540);
	break;
	default:
	break;
	}

	/* Turn all the tiling regions off. */
	for (i = 0; i < pfb->tile.regions; i++)
	engine->tile_prog(engine, i);

	/* begin RAM config */
	vramsz = nv_device_resource_len(nv_device(priv), 0) - 1;
	switch (nv_device(priv)->chipset) {
	case 0x40:
	nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
	nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
	nv_wr32(priv, 0x4069A4, nv_rd32(priv, 0x100200));
	nv_wr32(priv, 0x4069A8, nv_rd32(priv, 0x100204));
	nv_wr32(priv, 0x400820, 0);
	nv_wr32(priv, 0x400824, 0);
	nv_wr32(priv, 0x400864, vramsz);
	nv_wr32(priv, 0x400868, vramsz);
	break;
	default:
	switch (nv_device(priv)->chipset) {
	case 0x41:
	case 0x42:
	case 0x43:
	case 0x45:
	case 0x4e:
	case 0x44:
	case 0x4a:
	nv_wr32(priv, 0x4009F0, nv_rd32(priv, 0x100200));
	nv_wr32(priv, 0x4009F4, nv_rd32(priv, 0x100204));
	break;
	default:
	nv_wr32(priv, 0x400DF0, nv_rd32(priv, 0x100200));
	nv_wr32(priv, 0x400DF4, nv_rd32(priv, 0x100204));
	break;
	}
	nv_wr32(priv, 0x4069F0, nv_rd32(priv, 0x100200));
	nv_wr32(priv, 0x4069F4, nv_rd32(priv, 0x100204));
	nv_wr32(priv, 0x400840, 0);
	nv_wr32(priv, 0x400844, 0);
	nv_wr32(priv, 0x4008A0, vramsz);
	nv_wr32(priv, 0x4008A4, vramsz);
	break;
	}

	return 0;
	}

	struct nvkm_oclass
	nv40_gr_oclass = {
	.handle = NV_ENGINE(GR, 0x40),
	.ofuncs = &(struct nvkm_ofuncs) {
	.ctor = nv40_gr_ctor,
	.dtor = _nvkm_gr_dtor,
	.init = nv40_gr_init,
	.fini = _nvkm_gr_fini,
	},
	};