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path: root/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c699
1 files changed, 699 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
new file mode 100644
index 000000000..8b4f36b3e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -0,0 +1,699 @@
+/*
+ * 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 "gf100.h"
+#include "changf100.h"
+
+#include <core/client.h>
+#include <core/enum.h>
+#include <core/gpuobj.h>
+#include <subdev/bar.h>
+#include <subdev/fault.h>
+#include <engine/sw.h>
+
+#include <nvif/class.h>
+
+static void
+gf100_fifo_uevent_init(struct nvkm_fifo *fifo)
+{
+ struct nvkm_device *device = fifo->engine.subdev.device;
+ nvkm_mask(device, 0x002140, 0x80000000, 0x80000000);
+}
+
+static void
+gf100_fifo_uevent_fini(struct nvkm_fifo *fifo)
+{
+ struct nvkm_device *device = fifo->engine.subdev.device;
+ nvkm_mask(device, 0x002140, 0x80000000, 0x00000000);
+}
+
+void
+gf100_fifo_runlist_commit(struct gf100_fifo *fifo)
+{
+ struct gf100_fifo_chan *chan;
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_memory *cur;
+ int nr = 0;
+ int target;
+
+ mutex_lock(&fifo->base.mutex);
+ cur = fifo->runlist.mem[fifo->runlist.active];
+ fifo->runlist.active = !fifo->runlist.active;
+
+ nvkm_kmap(cur);
+ list_for_each_entry(chan, &fifo->chan, head) {
+ nvkm_wo32(cur, (nr * 8) + 0, chan->base.chid);
+ nvkm_wo32(cur, (nr * 8) + 4, 0x00000004);
+ nr++;
+ }
+ nvkm_done(cur);
+
+ switch (nvkm_memory_target(cur)) {
+ case NVKM_MEM_TARGET_VRAM: target = 0; break;
+ case NVKM_MEM_TARGET_NCOH: target = 3; break;
+ default:
+ mutex_unlock(&fifo->base.mutex);
+ WARN_ON(1);
+ return;
+ }
+
+ nvkm_wr32(device, 0x002270, (nvkm_memory_addr(cur) >> 12) |
+ (target << 28));
+ nvkm_wr32(device, 0x002274, 0x01f00000 | nr);
+
+ if (wait_event_timeout(fifo->runlist.wait,
+ !(nvkm_rd32(device, 0x00227c) & 0x00100000),
+ msecs_to_jiffies(2000)) == 0)
+ nvkm_error(subdev, "runlist update timeout\n");
+ mutex_unlock(&fifo->base.mutex);
+}
+
+void
+gf100_fifo_runlist_remove(struct gf100_fifo *fifo, struct gf100_fifo_chan *chan)
+{
+ mutex_lock(&fifo->base.mutex);
+ list_del_init(&chan->head);
+ mutex_unlock(&fifo->base.mutex);
+}
+
+void
+gf100_fifo_runlist_insert(struct gf100_fifo *fifo, struct gf100_fifo_chan *chan)
+{
+ mutex_lock(&fifo->base.mutex);
+ list_add_tail(&chan->head, &fifo->chan);
+ mutex_unlock(&fifo->base.mutex);
+}
+
+static struct nvkm_engine *
+gf100_fifo_id_engine(struct nvkm_fifo *fifo, int engi)
+{
+ enum nvkm_subdev_type type;
+ int inst;
+
+ switch (engi) {
+ case GF100_FIFO_ENGN_GR : type = NVKM_ENGINE_GR ; inst = 0; break;
+ case GF100_FIFO_ENGN_MSPDEC: type = NVKM_ENGINE_MSPDEC; inst = 0; break;
+ case GF100_FIFO_ENGN_MSPPP : type = NVKM_ENGINE_MSPPP ; inst = 0; break;
+ case GF100_FIFO_ENGN_MSVLD : type = NVKM_ENGINE_MSVLD ; inst = 0; break;
+ case GF100_FIFO_ENGN_CE0 : type = NVKM_ENGINE_CE ; inst = 0; break;
+ case GF100_FIFO_ENGN_CE1 : type = NVKM_ENGINE_CE ; inst = 1; break;
+ case GF100_FIFO_ENGN_SW : type = NVKM_ENGINE_SW ; inst = 0; break;
+ default:
+ WARN_ON(1);
+ return NULL;
+ }
+
+ return nvkm_device_engine(fifo->engine.subdev.device, type, inst);
+}
+
+static int
+gf100_fifo_engine_id(struct nvkm_fifo *base, struct nvkm_engine *engine)
+{
+ switch (engine->subdev.type) {
+ case NVKM_ENGINE_GR : return GF100_FIFO_ENGN_GR;
+ case NVKM_ENGINE_MSPDEC: return GF100_FIFO_ENGN_MSPDEC;
+ case NVKM_ENGINE_MSPPP : return GF100_FIFO_ENGN_MSPPP;
+ case NVKM_ENGINE_MSVLD : return GF100_FIFO_ENGN_MSVLD;
+ case NVKM_ENGINE_CE : return GF100_FIFO_ENGN_CE0 + engine->subdev.inst;
+ case NVKM_ENGINE_SW : return GF100_FIFO_ENGN_SW;
+ default:
+ WARN_ON(1);
+ return -1;
+ }
+}
+
+static void
+gf100_fifo_recover_work(struct work_struct *w)
+{
+ struct gf100_fifo *fifo = container_of(w, typeof(*fifo), recover.work);
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ struct nvkm_engine *engine;
+ unsigned long flags;
+ u32 engm, engn, todo;
+
+ spin_lock_irqsave(&fifo->base.lock, flags);
+ engm = fifo->recover.mask;
+ fifo->recover.mask = 0ULL;
+ spin_unlock_irqrestore(&fifo->base.lock, flags);
+
+ nvkm_mask(device, 0x002630, engm, engm);
+
+ for (todo = engm; engn = __ffs(todo), todo; todo &= ~BIT_ULL(engn)) {
+ if ((engine = gf100_fifo_id_engine(&fifo->base, engn))) {
+ nvkm_subdev_fini(&engine->subdev, false);
+ WARN_ON(nvkm_subdev_init(&engine->subdev));
+ }
+ }
+
+ gf100_fifo_runlist_commit(fifo);
+ nvkm_wr32(device, 0x00262c, engm);
+ nvkm_mask(device, 0x002630, engm, 0x00000000);
+}
+
+static void
+gf100_fifo_recover(struct gf100_fifo *fifo, struct nvkm_engine *engine,
+ struct gf100_fifo_chan *chan)
+{
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 chid = chan->base.chid;
+ int engi = gf100_fifo_engine_id(&fifo->base, engine);
+
+ nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n",
+ engine->subdev.name, chid);
+ assert_spin_locked(&fifo->base.lock);
+
+ nvkm_mask(device, 0x003004 + (chid * 0x08), 0x00000001, 0x00000000);
+ list_del_init(&chan->head);
+ chan->killed = true;
+
+ if (engi >= 0 && engi != GF100_FIFO_ENGN_SW)
+ fifo->recover.mask |= BIT(engi);
+ schedule_work(&fifo->recover.work);
+ nvkm_fifo_kevent(&fifo->base, chid);
+}
+
+static const struct nvkm_enum
+gf100_fifo_fault_engine[] = {
+ { 0x00, "PGRAPH", NULL, NVKM_ENGINE_GR },
+ { 0x03, "PEEPHOLE", NULL, NVKM_ENGINE_IFB },
+ { 0x04, "BAR1", NULL, NVKM_SUBDEV_BAR },
+ { 0x05, "BAR3", NULL, NVKM_SUBDEV_INSTMEM },
+ { 0x07, "PFIFO", NULL, NVKM_ENGINE_FIFO },
+ { 0x10, "PMSVLD", NULL, NVKM_ENGINE_MSVLD },
+ { 0x11, "PMSPPP", NULL, NVKM_ENGINE_MSPPP },
+ { 0x13, "PCOUNTER" },
+ { 0x14, "PMSPDEC", NULL, NVKM_ENGINE_MSPDEC },
+ { 0x15, "PCE0", NULL, NVKM_ENGINE_CE, 0 },
+ { 0x16, "PCE1", NULL, NVKM_ENGINE_CE, 1 },
+ { 0x17, "PMU" },
+ {}
+};
+
+static const struct nvkm_enum
+gf100_fifo_fault_reason[] = {
+ { 0x00, "PT_NOT_PRESENT" },
+ { 0x01, "PT_TOO_SHORT" },
+ { 0x02, "PAGE_NOT_PRESENT" },
+ { 0x03, "VM_LIMIT_EXCEEDED" },
+ { 0x04, "NO_CHANNEL" },
+ { 0x05, "PAGE_SYSTEM_ONLY" },
+ { 0x06, "PAGE_READ_ONLY" },
+ { 0x0a, "COMPRESSED_SYSRAM" },
+ { 0x0c, "INVALID_STORAGE_TYPE" },
+ {}
+};
+
+static const struct nvkm_enum
+gf100_fifo_fault_hubclient[] = {
+ { 0x01, "PCOPY0" },
+ { 0x02, "PCOPY1" },
+ { 0x04, "DISPATCH" },
+ { 0x05, "CTXCTL" },
+ { 0x06, "PFIFO" },
+ { 0x07, "BAR_READ" },
+ { 0x08, "BAR_WRITE" },
+ { 0x0b, "PVP" },
+ { 0x0c, "PMSPPP" },
+ { 0x0d, "PMSVLD" },
+ { 0x11, "PCOUNTER" },
+ { 0x12, "PMU" },
+ { 0x14, "CCACHE" },
+ { 0x15, "CCACHE_POST" },
+ {}
+};
+
+static const struct nvkm_enum
+gf100_fifo_fault_gpcclient[] = {
+ { 0x01, "TEX" },
+ { 0x0c, "ESETUP" },
+ { 0x0e, "CTXCTL" },
+ { 0x0f, "PROP" },
+ {}
+};
+
+static void
+gf100_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ const struct nvkm_enum *er, *eu, *ec;
+ struct nvkm_engine *engine = NULL;
+ struct nvkm_fifo_chan *chan;
+ unsigned long flags;
+ char gpcid[8] = "";
+
+ er = nvkm_enum_find(gf100_fifo_fault_reason, info->reason);
+ eu = nvkm_enum_find(gf100_fifo_fault_engine, info->engine);
+ if (info->hub) {
+ ec = nvkm_enum_find(gf100_fifo_fault_hubclient, info->client);
+ } else {
+ ec = nvkm_enum_find(gf100_fifo_fault_gpcclient, info->client);
+ snprintf(gpcid, sizeof(gpcid), "GPC%d/", info->gpc);
+ }
+
+ if (eu && eu->data2) {
+ switch (eu->data2) {
+ case NVKM_SUBDEV_BAR:
+ nvkm_bar_bar1_reset(device);
+ break;
+ case NVKM_SUBDEV_INSTMEM:
+ nvkm_bar_bar2_reset(device);
+ break;
+ case NVKM_ENGINE_IFB:
+ nvkm_mask(device, 0x001718, 0x00000000, 0x00000000);
+ break;
+ default:
+ engine = nvkm_device_engine(device, eu->data2, eu->inst);
+ break;
+ }
+ }
+
+ chan = nvkm_fifo_chan_inst(&fifo->base, info->inst, &flags);
+
+ nvkm_error(subdev,
+ "%s fault at %010llx engine %02x [%s] client %02x [%s%s] "
+ "reason %02x [%s] on channel %d [%010llx %s]\n",
+ info->access ? "write" : "read", info->addr,
+ info->engine, eu ? eu->name : "",
+ info->client, gpcid, ec ? ec->name : "",
+ info->reason, er ? er->name : "", chan ? chan->chid : -1,
+ info->inst, chan ? chan->object.client->name : "unknown");
+
+ if (engine && chan)
+ gf100_fifo_recover(fifo, engine, (void *)chan);
+ nvkm_fifo_chan_put(&fifo->base, flags, &chan);
+}
+
+static const struct nvkm_enum
+gf100_fifo_sched_reason[] = {
+ { 0x0a, "CTXSW_TIMEOUT" },
+ {}
+};
+
+static void
+gf100_fifo_intr_sched_ctxsw(struct gf100_fifo *fifo)
+{
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ struct nvkm_engine *engine;
+ struct gf100_fifo_chan *chan;
+ unsigned long flags;
+ u32 engn;
+
+ spin_lock_irqsave(&fifo->base.lock, flags);
+ for (engn = 0; engn < 6; engn++) {
+ u32 stat = nvkm_rd32(device, 0x002640 + (engn * 0x04));
+ u32 busy = (stat & 0x80000000);
+ u32 save = (stat & 0x00100000); /* maybe? */
+ u32 unk0 = (stat & 0x00040000);
+ u32 unk1 = (stat & 0x00001000);
+ u32 chid = (stat & 0x0000007f);
+ (void)save;
+
+ if (busy && unk0 && unk1) {
+ list_for_each_entry(chan, &fifo->chan, head) {
+ if (chan->base.chid == chid) {
+ engine = gf100_fifo_id_engine(&fifo->base, engn);
+ if (!engine)
+ break;
+ gf100_fifo_recover(fifo, engine, chan);
+ break;
+ }
+ }
+ }
+ }
+ spin_unlock_irqrestore(&fifo->base.lock, flags);
+}
+
+static void
+gf100_fifo_intr_sched(struct gf100_fifo *fifo)
+{
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 intr = nvkm_rd32(device, 0x00254c);
+ u32 code = intr & 0x000000ff;
+ const struct nvkm_enum *en;
+
+ en = nvkm_enum_find(gf100_fifo_sched_reason, code);
+
+ nvkm_error(subdev, "SCHED_ERROR %02x [%s]\n", code, en ? en->name : "");
+
+ switch (code) {
+ case 0x0a:
+ gf100_fifo_intr_sched_ctxsw(fifo);
+ break;
+ default:
+ break;
+ }
+}
+
+void
+gf100_fifo_intr_fault(struct nvkm_fifo *fifo, int unit)
+{
+ struct nvkm_device *device = fifo->engine.subdev.device;
+ u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
+ u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
+ u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
+ u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
+ struct nvkm_fault_data info;
+
+ info.inst = (u64)inst << 12;
+ info.addr = ((u64)vahi << 32) | valo;
+ info.time = 0;
+ info.engine = unit;
+ info.valid = 1;
+ info.gpc = (type & 0x1f000000) >> 24;
+ info.client = (type & 0x00001f00) >> 8;
+ info.access = (type & 0x00000080) >> 7;
+ info.hub = (type & 0x00000040) >> 6;
+ info.reason = (type & 0x0000000f);
+
+ nvkm_fifo_fault(fifo, &info);
+}
+
+static const struct nvkm_bitfield
+gf100_fifo_pbdma_intr[] = {
+/* { 0x00008000, "" } seen with null ib push */
+ { 0x00200000, "ILLEGAL_MTHD" },
+ { 0x00800000, "EMPTY_SUBC" },
+ {}
+};
+
+static void
+gf100_fifo_intr_pbdma(struct gf100_fifo *fifo, int unit)
+{
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 stat = nvkm_rd32(device, 0x040108 + (unit * 0x2000));
+ u32 addr = nvkm_rd32(device, 0x0400c0 + (unit * 0x2000));
+ u32 data = nvkm_rd32(device, 0x0400c4 + (unit * 0x2000));
+ u32 chid = nvkm_rd32(device, 0x040120 + (unit * 0x2000)) & 0x7f;
+ u32 subc = (addr & 0x00070000) >> 16;
+ u32 mthd = (addr & 0x00003ffc);
+ struct nvkm_fifo_chan *chan;
+ unsigned long flags;
+ u32 show= stat;
+ char msg[128];
+
+ if (stat & 0x00800000) {
+ if (device->sw) {
+ if (nvkm_sw_mthd(device->sw, chid, subc, mthd, data))
+ show &= ~0x00800000;
+ }
+ }
+
+ if (show) {
+ nvkm_snprintbf(msg, sizeof(msg), gf100_fifo_pbdma_intr, show);
+ chan = nvkm_fifo_chan_chid(&fifo->base, chid, &flags);
+ nvkm_error(subdev, "PBDMA%d: %08x [%s] ch %d [%010llx %s] "
+ "subc %d mthd %04x data %08x\n",
+ unit, show, msg, chid, chan ? chan->inst->addr : 0,
+ chan ? chan->object.client->name : "unknown",
+ subc, mthd, data);
+ nvkm_fifo_chan_put(&fifo->base, flags, &chan);
+ }
+
+ nvkm_wr32(device, 0x0400c0 + (unit * 0x2000), 0x80600008);
+ nvkm_wr32(device, 0x040108 + (unit * 0x2000), stat);
+}
+
+static void
+gf100_fifo_intr_runlist(struct gf100_fifo *fifo)
+{
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 intr = nvkm_rd32(device, 0x002a00);
+
+ if (intr & 0x10000000) {
+ wake_up(&fifo->runlist.wait);
+ nvkm_wr32(device, 0x002a00, 0x10000000);
+ intr &= ~0x10000000;
+ }
+
+ if (intr) {
+ nvkm_error(subdev, "RUNLIST %08x\n", intr);
+ nvkm_wr32(device, 0x002a00, intr);
+ }
+}
+
+static void
+gf100_fifo_intr_engine_unit(struct gf100_fifo *fifo, int engn)
+{
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 intr = nvkm_rd32(device, 0x0025a8 + (engn * 0x04));
+ u32 inte = nvkm_rd32(device, 0x002628);
+ u32 unkn;
+
+ nvkm_wr32(device, 0x0025a8 + (engn * 0x04), intr);
+
+ for (unkn = 0; unkn < 8; unkn++) {
+ u32 ints = (intr >> (unkn * 0x04)) & inte;
+ if (ints & 0x1) {
+ nvkm_fifo_uevent(&fifo->base);
+ ints &= ~1;
+ }
+ if (ints) {
+ nvkm_error(subdev, "ENGINE %d %d %01x",
+ engn, unkn, ints);
+ nvkm_mask(device, 0x002628, ints, 0);
+ }
+ }
+}
+
+void
+gf100_fifo_intr_engine(struct gf100_fifo *fifo)
+{
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ u32 mask = nvkm_rd32(device, 0x0025a4);
+ while (mask) {
+ u32 unit = __ffs(mask);
+ gf100_fifo_intr_engine_unit(fifo, unit);
+ mask &= ~(1 << unit);
+ }
+}
+
+static void
+gf100_fifo_intr(struct nvkm_fifo *base)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ u32 mask = nvkm_rd32(device, 0x002140);
+ u32 stat = nvkm_rd32(device, 0x002100) & mask;
+
+ if (stat & 0x00000001) {
+ u32 intr = nvkm_rd32(device, 0x00252c);
+ nvkm_warn(subdev, "INTR 00000001: %08x\n", intr);
+ nvkm_wr32(device, 0x002100, 0x00000001);
+ stat &= ~0x00000001;
+ }
+
+ if (stat & 0x00000100) {
+ gf100_fifo_intr_sched(fifo);
+ nvkm_wr32(device, 0x002100, 0x00000100);
+ stat &= ~0x00000100;
+ }
+
+ if (stat & 0x00010000) {
+ u32 intr = nvkm_rd32(device, 0x00256c);
+ nvkm_warn(subdev, "INTR 00010000: %08x\n", intr);
+ nvkm_wr32(device, 0x002100, 0x00010000);
+ stat &= ~0x00010000;
+ }
+
+ if (stat & 0x01000000) {
+ u32 intr = nvkm_rd32(device, 0x00258c);
+ nvkm_warn(subdev, "INTR 01000000: %08x\n", intr);
+ nvkm_wr32(device, 0x002100, 0x01000000);
+ stat &= ~0x01000000;
+ }
+
+ if (stat & 0x10000000) {
+ u32 mask = nvkm_rd32(device, 0x00259c);
+ while (mask) {
+ u32 unit = __ffs(mask);
+ gf100_fifo_intr_fault(&fifo->base, unit);
+ nvkm_wr32(device, 0x00259c, (1 << unit));
+ mask &= ~(1 << unit);
+ }
+ stat &= ~0x10000000;
+ }
+
+ if (stat & 0x20000000) {
+ u32 mask = nvkm_rd32(device, 0x0025a0);
+ while (mask) {
+ u32 unit = __ffs(mask);
+ gf100_fifo_intr_pbdma(fifo, unit);
+ nvkm_wr32(device, 0x0025a0, (1 << unit));
+ mask &= ~(1 << unit);
+ }
+ stat &= ~0x20000000;
+ }
+
+ if (stat & 0x40000000) {
+ gf100_fifo_intr_runlist(fifo);
+ stat &= ~0x40000000;
+ }
+
+ if (stat & 0x80000000) {
+ gf100_fifo_intr_engine(fifo);
+ stat &= ~0x80000000;
+ }
+
+ if (stat) {
+ nvkm_error(subdev, "INTR %08x\n", stat);
+ nvkm_mask(device, 0x002140, stat, 0x00000000);
+ nvkm_wr32(device, 0x002100, stat);
+ }
+}
+
+static int
+gf100_fifo_oneinit(struct nvkm_fifo *base)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device);
+ int ret;
+
+ /* Determine number of PBDMAs by checking valid enable bits. */
+ nvkm_wr32(device, 0x002204, 0xffffffff);
+ fifo->pbdma_nr = hweight32(nvkm_rd32(device, 0x002204));
+ nvkm_debug(subdev, "%d PBDMA(s)\n", fifo->pbdma_nr);
+
+
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000,
+ false, &fifo->runlist.mem[0]);
+ if (ret)
+ return ret;
+
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000,
+ false, &fifo->runlist.mem[1]);
+ if (ret)
+ return ret;
+
+ init_waitqueue_head(&fifo->runlist.wait);
+
+ ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 128 * 0x1000,
+ 0x1000, false, &fifo->user.mem);
+ if (ret)
+ return ret;
+
+ ret = nvkm_vmm_get(bar, 12, nvkm_memory_size(fifo->user.mem),
+ &fifo->user.bar);
+ if (ret)
+ return ret;
+
+ return nvkm_memory_map(fifo->user.mem, 0, bar, fifo->user.bar, NULL, 0);
+}
+
+static void
+gf100_fifo_fini(struct nvkm_fifo *base)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ flush_work(&fifo->recover.work);
+}
+
+static void
+gf100_fifo_init(struct nvkm_fifo *base)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ int i;
+
+ /* Enable PBDMAs. */
+ nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1);
+ nvkm_wr32(device, 0x002204, (1 << fifo->pbdma_nr) - 1);
+
+ /* Assign engines to PBDMAs. */
+ if (fifo->pbdma_nr >= 3) {
+ nvkm_wr32(device, 0x002208, ~(1 << 0)); /* PGRAPH */
+ nvkm_wr32(device, 0x00220c, ~(1 << 1)); /* PVP */
+ nvkm_wr32(device, 0x002210, ~(1 << 1)); /* PMSPP */
+ nvkm_wr32(device, 0x002214, ~(1 << 1)); /* PMSVLD */
+ nvkm_wr32(device, 0x002218, ~(1 << 2)); /* PCE0 */
+ nvkm_wr32(device, 0x00221c, ~(1 << 1)); /* PCE1 */
+ }
+
+ /* PBDMA[n] */
+ for (i = 0; i < fifo->pbdma_nr; i++) {
+ nvkm_mask(device, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
+ nvkm_wr32(device, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
+ nvkm_wr32(device, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
+ }
+
+ nvkm_mask(device, 0x002200, 0x00000001, 0x00000001);
+ nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar->addr >> 12);
+
+ nvkm_wr32(device, 0x002100, 0xffffffff);
+ nvkm_wr32(device, 0x002140, 0x7fffffff);
+ nvkm_wr32(device, 0x002628, 0x00000001); /* ENGINE_INTR_EN */
+}
+
+static void *
+gf100_fifo_dtor(struct nvkm_fifo *base)
+{
+ struct gf100_fifo *fifo = gf100_fifo(base);
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ nvkm_vmm_put(nvkm_bar_bar1_vmm(device), &fifo->user.bar);
+ nvkm_memory_unref(&fifo->user.mem);
+ nvkm_memory_unref(&fifo->runlist.mem[0]);
+ nvkm_memory_unref(&fifo->runlist.mem[1]);
+ return fifo;
+}
+
+static const struct nvkm_fifo_func
+gf100_fifo = {
+ .dtor = gf100_fifo_dtor,
+ .oneinit = gf100_fifo_oneinit,
+ .init = gf100_fifo_init,
+ .fini = gf100_fifo_fini,
+ .intr = gf100_fifo_intr,
+ .fault = gf100_fifo_fault,
+ .engine_id = gf100_fifo_engine_id,
+ .id_engine = gf100_fifo_id_engine,
+ .uevent_init = gf100_fifo_uevent_init,
+ .uevent_fini = gf100_fifo_uevent_fini,
+ .chan = {
+ &gf100_fifo_gpfifo_oclass,
+ NULL
+ },
+};
+
+int
+gf100_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_fifo **pfifo)
+{
+ struct gf100_fifo *fifo;
+
+ if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
+ return -ENOMEM;
+ INIT_LIST_HEAD(&fifo->chan);
+ INIT_WORK(&fifo->recover.work, gf100_fifo_recover_work);
+ *pfifo = &fifo->base;
+
+ return nvkm_fifo_ctor(&gf100_fifo, device, type, inst, 128, &fifo->base);
+}