1 files changed, 244 insertions, 100 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
index c6730c124769..674faf002b20 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
@@ -21,38 +21,201 @@
  *
  * Authors: Ben Skeggs
  */
-#include "nv04.h"
-#include "channv04.h"
+#include "priv.h"
+#include "cgrp.h"
+#include "chan.h"
+#include "chid.h"
+#include "runl.h"
+
 #include "regsnv04.h"
 
-#include <core/client.h>
 #include <core/ramht.h>
 #include <subdev/instmem.h>
+#include <subdev/mc.h>
 #include <subdev/timer.h>
 #include <engine/sw.h>
 
-static const struct nv04_fifo_ramfc
-nv04_fifo_ramfc[] = {
-	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
-	{ 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
-	{ 16,  0, 0x08,  0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
-	{ 16, 16, 0x08,  0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
-	{ 32,  0, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_STATE },
-	{ 32,  0, 0x10,  0, NV04_PFIFO_CACHE1_DMA_FETCH },
-	{ 32,  0, 0x14,  0, NV04_PFIFO_CACHE1_ENGINE },
-	{ 32,  0, 0x18,  0, NV04_PFIFO_CACHE1_PULL1 },
-	{}
+#include <nvif/class.h>
+
+void
+nv04_chan_stop(struct nvkm_chan *chan)
+{
+	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	struct nvkm_memory *fctx = device->imem->ramfc;
+	const struct nvkm_ramfc_layout *c;
+	unsigned long flags;
+	u32 data = chan->ramfc_offset;
+	u32 chid;
+
+	/* prevent fifo context switches */
+	spin_lock_irqsave(&fifo->lock, flags);
+	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
+
+	/* if this channel is active, replace it with a null context */
+	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->chid->mask;
+	if (chid == chan->id) {
+		nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0);
+		nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
+
+		c = chan->func->ramfc->layout;
+		nvkm_kmap(fctx);
+		do {
+			u32 rm = ((1ULL << c->bits) - 1) << c->regs;
+			u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
+			u32 rv = (nvkm_rd32(device, c->regp) &  rm) >> c->regs;
+			u32 cv = (nvkm_ro32(fctx, c->ctxp + data) & ~cm);
+			nvkm_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs));
+		} while ((++c)->bits);
+		nvkm_done(fctx);
+
+		c = chan->func->ramfc->layout;
+		do {
+			nvkm_wr32(device, c->regp, 0x00000000);
+		} while ((++c)->bits);
+
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUT, 0);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask);
+		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
+		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
+	}
+
+	/* restore normal operation, after disabling dma mode */
+	nvkm_mask(device, NV04_PFIFO_MODE, BIT(chan->id), 0);
+	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
+	spin_unlock_irqrestore(&fifo->lock, flags);
+}
+
+void
+nv04_chan_start(struct nvkm_chan *chan)
+{
+	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
+	unsigned long flags;
+
+	spin_lock_irqsave(&fifo->lock, flags);
+	nvkm_mask(fifo->engine.subdev.device, NV04_PFIFO_MODE, BIT(chan->id), BIT(chan->id));
+	spin_unlock_irqrestore(&fifo->lock, flags);
+}
+
+void
+nv04_chan_ramfc_clear(struct nvkm_chan *chan)
+{
+	struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc;
+	const struct nvkm_ramfc_layout *c = chan->func->ramfc->layout;
+
+	nvkm_kmap(ramfc);
+	do {
+		nvkm_wo32(ramfc, chan->ramfc_offset + c->ctxp, 0x00000000);
+	} while ((++c)->bits);
+	nvkm_done(ramfc);
+}
+
+static int
+nv04_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv)
+{
+	struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc;
+	const u32 base = chan->id * 32;
+
+	chan->ramfc_offset = base;
+
+	nvkm_kmap(ramfc);
+	nvkm_wo32(ramfc, base + 0x00, offset);
+	nvkm_wo32(ramfc, base + 0x04, offset);
+	nvkm_wo32(ramfc, base + 0x08, chan->push->addr >> 4);
+	nvkm_wo32(ramfc, base + 0x10, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+				      NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+				      NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+				      NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+	nvkm_done(ramfc);
+	return 0;
+}
+
+static const struct nvkm_chan_func_ramfc
+nv04_chan_ramfc = {
+	.layout = (const struct nvkm_ramfc_layout[]) {
+		{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
+		{ 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
+		{ 16,  0, 0x08,  0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
+		{ 16, 16, 0x08,  0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
+		{ 32,  0, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_STATE },
+		{ 32,  0, 0x10,  0, NV04_PFIFO_CACHE1_DMA_FETCH },
+		{ 32,  0, 0x14,  0, NV04_PFIFO_CACHE1_ENGINE },
+		{ 32,  0, 0x18,  0, NV04_PFIFO_CACHE1_PULL1 },
+		{}
+	},
+	.write = nv04_chan_ramfc_write,
+	.clear = nv04_chan_ramfc_clear,
+	.ctxdma = true,
+};
+
+const struct nvkm_chan_func_userd
+nv04_chan_userd = {
+	.bar = 0,
+	.base = 0x800000,
+	.size = 0x010000,
+};
+
+const struct nvkm_chan_func_inst
+nv04_chan_inst = {
+	.size = 0x1000,
+};
+
+static const struct nvkm_chan_func
+nv04_chan = {
+	.inst = &nv04_chan_inst,
+	.userd = &nv04_chan_userd,
+	.ramfc = &nv04_chan_ramfc,
+	.start = nv04_chan_start,
+	.stop = nv04_chan_stop,
+};
+
+const struct nvkm_cgrp_func
+nv04_cgrp = {
+};
+
+void
+nv04_eobj_ramht_del(struct nvkm_chan *chan, int hash)
+{
+	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
+	struct nvkm_instmem *imem = fifo->engine.subdev.device->imem;
+
+	mutex_lock(&fifo->mutex);
+	nvkm_ramht_remove(imem->ramht, hash);
+	mutex_unlock(&fifo->mutex);
+}
+
+static int
+nv04_eobj_ramht_add(struct nvkm_engn *engn, struct nvkm_object *eobj, struct nvkm_chan *chan)
+{
+	struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
+	struct nvkm_instmem *imem = fifo->engine.subdev.device->imem;
+	u32 context = 0x80000000 | chan->id << 24 | engn->id << 16;
+	int hash;
+
+	mutex_lock(&fifo->mutex);
+	hash = nvkm_ramht_insert(imem->ramht, eobj, chan->id, 4, eobj->handle, context);
+	mutex_unlock(&fifo->mutex);
+	return hash;
+}
+
+const struct nvkm_engn_func
+nv04_engn = {
+	.ramht_add = nv04_eobj_ramht_add,
+	.ramht_del = nv04_eobj_ramht_del,
 };
 
 void
-nv04_fifo_pause(struct nvkm_fifo *base, unsigned long *pflags)
-__acquires(fifo->base.lock)
+nv04_fifo_pause(struct nvkm_fifo *fifo, unsigned long *pflags)
+__acquires(fifo->lock)
 {
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_device *device = fifo->engine.subdev.device;
 	unsigned long flags;
 
-	spin_lock_irqsave(&fifo->base.lock, flags);
+	spin_lock_irqsave(&fifo->lock, flags);
 	*pflags = flags;
 
 	nvkm_wr32(device, NV03_PFIFO_CACHES, 0x00000000);
@@ -81,50 +244,21 @@ __acquires(fifo->base.lock)
 }
 
 void
-nv04_fifo_start(struct nvkm_fifo *base, unsigned long *pflags)
-__releases(fifo->base.lock)
+nv04_fifo_start(struct nvkm_fifo *fifo, unsigned long *pflags)
+__releases(fifo->lock)
 {
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_device *device = fifo->engine.subdev.device;
 	unsigned long flags = *pflags;
 
 	nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000001);
 	nvkm_wr32(device, NV03_PFIFO_CACHES, 0x00000001);
 
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
+	spin_unlock_irqrestore(&fifo->lock, flags);
 }
 
-struct nvkm_engine *
-nv04_fifo_id_engine(struct nvkm_fifo *fifo, int engi)
-{
-	enum nvkm_subdev_type type;
-
-	switch (engi) {
-	case NV04_FIFO_ENGN_SW  : type = NVKM_ENGINE_SW; break;
-	case NV04_FIFO_ENGN_GR  : type = NVKM_ENGINE_GR; break;
-	case NV04_FIFO_ENGN_MPEG: type = NVKM_ENGINE_MPEG; break;
-	case NV04_FIFO_ENGN_DMA : type = NVKM_ENGINE_DMAOBJ; break;
-	default:
-		WARN_ON(1);
-		return NULL;
-	}
-
-	return nvkm_device_engine(fifo->engine.subdev.device, type, 0);
-}
-
-int
-nv04_fifo_engine_id(struct nvkm_fifo *base, struct nvkm_engine *engine)
-{
-	switch (engine->subdev.type) {
-	case NVKM_ENGINE_SW    : return NV04_FIFO_ENGN_SW;
-	case NVKM_ENGINE_GR    : return NV04_FIFO_ENGN_GR;
-	case NVKM_ENGINE_MPEG  : return NV04_FIFO_ENGN_MPEG;
-	case NVKM_ENGINE_DMAOBJ: return NV04_FIFO_ENGN_DMA;
-	default:
-		WARN_ON(1);
-		return 0;
-	}
-}
+const struct nvkm_runl_func
+nv04_runl = {
+};
 
 static const char *
 nv_dma_state_err(u32 state)
@@ -166,11 +300,11 @@ nv04_fifo_swmthd(struct nvkm_device *device, u32 chid, u32 addr, u32 data)
 }
 
 static void
-nv04_fifo_cache_error(struct nv04_fifo *fifo, u32 chid, u32 get)
+nv04_fifo_intr_cache_error(struct nvkm_fifo *fifo, u32 chid, u32 get)
 {
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_subdev *subdev = &fifo->engine.subdev;
 	struct nvkm_device *device = subdev->device;
-	struct nvkm_fifo_chan *chan;
+	struct nvkm_chan *chan;
 	unsigned long flags;
 	u32 pull0 = nvkm_rd32(device, 0x003250);
 	u32 mthd, data;
@@ -193,12 +327,12 @@ nv04_fifo_cache_error(struct nv04_fifo *fifo, u32 chid, u32 get)
 
 	if (!(pull0 & 0x00000100) ||
 	    !nv04_fifo_swmthd(device, chid, mthd, data)) {
-		chan = nvkm_fifo_chan_chid(&fifo->base, chid, &flags);
+		chan = nvkm_chan_get_chid(&fifo->engine, chid, &flags);
 		nvkm_error(subdev, "CACHE_ERROR - "
 			   "ch %d [%s] subc %d mthd %04x data %08x\n",
-			   chid, chan ? chan->object.client->name : "unknown",
+			   chid, chan ? chan->name : "unknown",
 			   (mthd >> 13) & 7, mthd & 0x1ffc, data);
-		nvkm_fifo_chan_put(&fifo->base, flags, &chan);
+		nvkm_chan_put(&chan, flags);
 	}
 
 	nvkm_wr32(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0);
@@ -217,20 +351,20 @@ nv04_fifo_cache_error(struct nv04_fifo *fifo, u32 chid, u32 get)
 }
 
 static void
-nv04_fifo_dma_pusher(struct nv04_fifo *fifo, u32 chid)
+nv04_fifo_intr_dma_pusher(struct nvkm_fifo *fifo, u32 chid)
 {
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_subdev *subdev = &fifo->engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	u32 dma_get = nvkm_rd32(device, 0x003244);
 	u32 dma_put = nvkm_rd32(device, 0x003240);
 	u32 push = nvkm_rd32(device, 0x003220);
 	u32 state = nvkm_rd32(device, 0x003228);
-	struct nvkm_fifo_chan *chan;
+	struct nvkm_chan *chan;
 	unsigned long flags;
 	const char *name;
 
-	chan = nvkm_fifo_chan_chid(&fifo->base, chid, &flags);
-	name = chan ? chan->object.client->name : "unknown";
+	chan = nvkm_chan_get_chid(&fifo->engine, chid, &flags);
+	name = chan ? chan->name : "unknown";
 	if (device->card_type == NV_50) {
 		u32 ho_get = nvkm_rd32(device, 0x003328);
 		u32 ho_put = nvkm_rd32(device, 0x003320);
@@ -261,18 +395,18 @@ nv04_fifo_dma_pusher(struct nv04_fifo *fifo, u32 chid)
 		if (dma_get != dma_put)
 			nvkm_wr32(device, 0x003244, dma_put);
 	}
-	nvkm_fifo_chan_put(&fifo->base, flags, &chan);
+	nvkm_chan_put(&chan, flags);
 
 	nvkm_wr32(device, 0x003228, 0x00000000);
 	nvkm_wr32(device, 0x003220, 0x00000001);
 	nvkm_wr32(device, 0x002100, NV_PFIFO_INTR_DMA_PUSHER);
 }
 
-void
-nv04_fifo_intr(struct nvkm_fifo *base)
+irqreturn_t
+nv04_fifo_intr(struct nvkm_inth *inth)
 {
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+	struct nvkm_fifo *fifo = container_of(inth, typeof(*fifo), engine.subdev.inth);
+	struct nvkm_subdev *subdev = &fifo->engine.subdev;
 	struct nvkm_device *device = subdev->device;
 	u32 mask = nvkm_rd32(device, NV03_PFIFO_INTR_EN_0);
 	u32 stat = nvkm_rd32(device, NV03_PFIFO_INTR_0) & mask;
@@ -281,16 +415,16 @@ nv04_fifo_intr(struct nvkm_fifo *base)
 	reassign = nvkm_rd32(device, NV03_PFIFO_CACHES) & 1;
 	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
 
-	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & (fifo->base.nr - 1);
+	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & fifo->chid->mask;
 	get  = nvkm_rd32(device, NV03_PFIFO_CACHE1_GET);
 
 	if (stat & NV_PFIFO_INTR_CACHE_ERROR) {
-		nv04_fifo_cache_error(fifo, chid, get);
+		nv04_fifo_intr_cache_error(fifo, chid, get);
 		stat &= ~NV_PFIFO_INTR_CACHE_ERROR;
 	}
 
 	if (stat & NV_PFIFO_INTR_DMA_PUSHER) {
-		nv04_fifo_dma_pusher(fifo, chid);
+		nv04_fifo_intr_dma_pusher(fifo, chid);
 		stat &= ~NV_PFIFO_INTR_DMA_PUSHER;
 	}
 
@@ -313,7 +447,7 @@ nv04_fifo_intr(struct nvkm_fifo *base)
 
 		if (stat & 0x40000000) {
 			nvkm_wr32(device, 0x002100, 0x40000000);
-			nvkm_fifo_uevent(&fifo->base);
+			nvkm_event_ntfy(&fifo->nonstall.event, 0, NVKM_FIFO_NONSTALL_EVENT);
 			stat &= ~0x40000000;
 		}
 	}
@@ -325,13 +459,13 @@ nv04_fifo_intr(struct nvkm_fifo *base)
 	}
 
 	nvkm_wr32(device, NV03_PFIFO_CACHES, reassign);
+	return IRQ_HANDLED;
 }
 
 void
-nv04_fifo_init(struct nvkm_fifo *base)
+nv04_fifo_init(struct nvkm_fifo *fifo)
 {
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	struct nvkm_device *device = fifo->engine.subdev.device;
 	struct nvkm_instmem *imem = device->imem;
 	struct nvkm_ramht *ramht = imem->ramht;
 	struct nvkm_memory *ramro = imem->ramro;
@@ -346,7 +480,7 @@ nv04_fifo_init(struct nvkm_fifo *base)
 	nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8);
 	nvkm_wr32(device, NV03_PFIFO_RAMFC, nvkm_memory_addr(ramfc) >> 8);
 
-	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.nr - 1);
+	nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask);
 
 	nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff);
 	nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff);
@@ -357,43 +491,53 @@ nv04_fifo_init(struct nvkm_fifo *base)
 }
 
 int
-nv04_fifo_new_(const struct nvkm_fifo_func *func, struct nvkm_device *device,
-	       enum nvkm_subdev_type type, int inst, int nr, const struct nv04_fifo_ramfc *ramfc,
-	       struct nvkm_fifo **pfifo)
+nv04_fifo_runl_ctor(struct nvkm_fifo *fifo)
 {
-	struct nv04_fifo *fifo;
-	int ret;
-
-	if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
-		return -ENOMEM;
-	fifo->ramfc = ramfc;
-	*pfifo = &fifo->base;
+	struct nvkm_runl *runl;
 
-	ret = nvkm_fifo_ctor(func, device, type, inst, nr, &fifo->base);
-	if (ret)
-		return ret;
+	runl = nvkm_runl_new(fifo, 0, 0, 0);
+	if (IS_ERR(runl))
+		return PTR_ERR(runl);
 
-	set_bit(nr - 1, fifo->base.mask); /* inactive channel */
+	nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_SW, 0);
+	nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_DMAOBJ, 0);
+	nvkm_runl_add(runl, 1, fifo->func->engn   , NVKM_ENGINE_GR, 0);
+	nvkm_runl_add(runl, 2, fifo->func->engn   , NVKM_ENGINE_MPEG, 0); /* NV31- */
 	return 0;
 }
 
+int
+nv04_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)
+{
+	/* The last CHID is reserved by HW as a "channel invalid" marker. */
+	return nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr - 1, &fifo->chid);
+}
+
+static int
+nv04_fifo_chid_nr(struct nvkm_fifo *fifo)
+{
+	return 16;
+}
+
 static const struct nvkm_fifo_func
 nv04_fifo = {
+	.chid_nr = nv04_fifo_chid_nr,
+	.chid_ctor = nv04_fifo_chid_ctor,
+	.runl_ctor = nv04_fifo_runl_ctor,
 	.init = nv04_fifo_init,
 	.intr = nv04_fifo_intr,
-	.engine_id = nv04_fifo_engine_id,
-	.id_engine = nv04_fifo_id_engine,
 	.pause = nv04_fifo_pause,
 	.start = nv04_fifo_start,
-	.chan = {
-		&nv04_fifo_dma_oclass,
-		NULL
-	},
+	.runl = &nv04_runl,
+	.engn = &nv04_engn,
+	.engn_sw = &nv04_engn,
+	.cgrp = {{                        }, &nv04_cgrp },
+	.chan = {{ 0, 0, NV03_CHANNEL_DMA }, &nv04_chan },
 };
 
 int
 nv04_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	      struct nvkm_fifo **pfifo)
 {
-	return nv04_fifo_new_(&nv04_fifo, device, type, inst, 16, nv04_fifo_ramfc, pfifo);
+	return nvkm_fifo_new_(&nv04_fifo, device, type, inst, pfifo);
 }