Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / gr / gf100.c
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
new file mode 100644 (file)
index 0000000..5606c25
--- /dev/null
@@ -0,0 +1,1692 @@
+/*
+ * 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 "ctxgf100.h"
+#include "fuc/os.h"
+
+#include <core/client.h>
+#include <core/device.h>
+#include <core/handle.h>
+#include <core/option.h>
+#include <engine/fifo.h>
+#include <subdev/fb.h>
+#include <subdev/mc.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+/*******************************************************************************
+ * Zero Bandwidth Clear
+ ******************************************************************************/
+
+static void
+gf100_gr_zbc_clear_color(struct gf100_gr_priv *priv, int zbc)
+{
+       if (priv->zbc_color[zbc].format) {
+               nv_wr32(priv, 0x405804, priv->zbc_color[zbc].ds[0]);
+               nv_wr32(priv, 0x405808, priv->zbc_color[zbc].ds[1]);
+               nv_wr32(priv, 0x40580c, priv->zbc_color[zbc].ds[2]);
+               nv_wr32(priv, 0x405810, priv->zbc_color[zbc].ds[3]);
+       }
+       nv_wr32(priv, 0x405814, priv->zbc_color[zbc].format);
+       nv_wr32(priv, 0x405820, zbc);
+       nv_wr32(priv, 0x405824, 0x00000004); /* TRIGGER | WRITE | COLOR */
+}
+
+static int
+gf100_gr_zbc_color_get(struct gf100_gr_priv *priv, int format,
+                      const u32 ds[4], const u32 l2[4])
+{
+       struct nvkm_ltc *ltc = nvkm_ltc(priv);
+       int zbc = -ENOSPC, i;
+
+       for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) {
+               if (priv->zbc_color[i].format) {
+                       if (priv->zbc_color[i].format != format)
+                               continue;
+                       if (memcmp(priv->zbc_color[i].ds, ds, sizeof(
+                                  priv->zbc_color[i].ds)))
+                               continue;
+                       if (memcmp(priv->zbc_color[i].l2, l2, sizeof(
+                                  priv->zbc_color[i].l2))) {
+                               WARN_ON(1);
+                               return -EINVAL;
+                       }
+                       return i;
+               } else {
+                       zbc = (zbc < 0) ? i : zbc;
+               }
+       }
+
+       if (zbc < 0)
+               return zbc;
+
+       memcpy(priv->zbc_color[zbc].ds, ds, sizeof(priv->zbc_color[zbc].ds));
+       memcpy(priv->zbc_color[zbc].l2, l2, sizeof(priv->zbc_color[zbc].l2));
+       priv->zbc_color[zbc].format = format;
+       ltc->zbc_color_get(ltc, zbc, l2);
+       gf100_gr_zbc_clear_color(priv, zbc);
+       return zbc;
+}
+
+static void
+gf100_gr_zbc_clear_depth(struct gf100_gr_priv *priv, int zbc)
+{
+       if (priv->zbc_depth[zbc].format)
+               nv_wr32(priv, 0x405818, priv->zbc_depth[zbc].ds);
+       nv_wr32(priv, 0x40581c, priv->zbc_depth[zbc].format);
+       nv_wr32(priv, 0x405820, zbc);
+       nv_wr32(priv, 0x405824, 0x00000005); /* TRIGGER | WRITE | DEPTH */
+}
+
+static int
+gf100_gr_zbc_depth_get(struct gf100_gr_priv *priv, int format,
+                      const u32 ds, const u32 l2)
+{
+       struct nvkm_ltc *ltc = nvkm_ltc(priv);
+       int zbc = -ENOSPC, i;
+
+       for (i = ltc->zbc_min; i <= ltc->zbc_max; i++) {
+               if (priv->zbc_depth[i].format) {
+                       if (priv->zbc_depth[i].format != format)
+                               continue;
+                       if (priv->zbc_depth[i].ds != ds)
+                               continue;
+                       if (priv->zbc_depth[i].l2 != l2) {
+                               WARN_ON(1);
+                               return -EINVAL;
+                       }
+                       return i;
+               } else {
+                       zbc = (zbc < 0) ? i : zbc;
+               }
+       }
+
+       if (zbc < 0)
+               return zbc;
+
+       priv->zbc_depth[zbc].format = format;
+       priv->zbc_depth[zbc].ds = ds;
+       priv->zbc_depth[zbc].l2 = l2;
+       ltc->zbc_depth_get(ltc, zbc, l2);
+       gf100_gr_zbc_clear_depth(priv, zbc);
+       return zbc;
+}
+
+/*******************************************************************************
+ * Graphics object classes
+ ******************************************************************************/
+
+static int
+gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size)
+{
+       struct gf100_gr_priv *priv = (void *)object->engine;
+       union {
+               struct fermi_a_zbc_color_v0 v0;
+       } *args = data;
+       int ret;
+
+       if (nvif_unpack(args->v0, 0, 0, false)) {
+               switch (args->v0.format) {
+               case FERMI_A_ZBC_COLOR_V0_FMT_ZERO:
+               case FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE:
+               case FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32:
+               case FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16:
+               case FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16:
+               case FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16:
+               case FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16:
+               case FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10:
+               case FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8:
+               case FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10:
+               case FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11:
+                       ret = gf100_gr_zbc_color_get(priv, args->v0.format,
+                                                          args->v0.ds,
+                                                          args->v0.l2);
+                       if (ret >= 0) {
+                               args->v0.index = ret;
+                               return 0;
+                       }
+                       break;
+               default:
+                       return -EINVAL;
+               }
+       }
+
+       return ret;
+}
+
+static int
+gf100_fermi_mthd_zbc_depth(struct nvkm_object *object, void *data, u32 size)
+{
+       struct gf100_gr_priv *priv = (void *)object->engine;
+       union {
+               struct fermi_a_zbc_depth_v0 v0;
+       } *args = data;
+       int ret;
+
+       if (nvif_unpack(args->v0, 0, 0, false)) {
+               switch (args->v0.format) {
+               case FERMI_A_ZBC_DEPTH_V0_FMT_FP32:
+                       ret = gf100_gr_zbc_depth_get(priv, args->v0.format,
+                                                          args->v0.ds,
+                                                          args->v0.l2);
+                       return (ret >= 0) ? 0 : -ENOSPC;
+               default:
+                       return -EINVAL;
+               }
+       }
+
+       return ret;
+}
+
+static int
+gf100_fermi_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+       switch (mthd) {
+       case FERMI_A_ZBC_COLOR:
+               return gf100_fermi_mthd_zbc_color(object, data, size);
+       case FERMI_A_ZBC_DEPTH:
+               return gf100_fermi_mthd_zbc_depth(object, data, size);
+       default:
+               break;
+       }
+       return -EINVAL;
+}
+
+struct nvkm_ofuncs
+gf100_fermi_ofuncs = {
+       .ctor = _nvkm_object_ctor,
+       .dtor = nvkm_object_destroy,
+       .init = nvkm_object_init,
+       .fini = nvkm_object_fini,
+       .mthd = gf100_fermi_mthd,
+};
+
+static int
+gf100_gr_set_shader_exceptions(struct nvkm_object *object, u32 mthd,
+                              void *pdata, u32 size)
+{
+       struct gf100_gr_priv *priv = (void *)object->engine;
+       if (size >= sizeof(u32)) {
+               u32 data = *(u32 *)pdata ? 0xffffffff : 0x00000000;
+               nv_wr32(priv, 0x419e44, data);
+               nv_wr32(priv, 0x419e4c, data);
+               return 0;
+       }
+       return -EINVAL;
+}
+
+struct nvkm_omthds
+gf100_gr_9097_omthds[] = {
+       { 0x1528, 0x1528, gf100_gr_set_shader_exceptions },
+       {}
+};
+
+struct nvkm_omthds
+gf100_gr_90c0_omthds[] = {
+       { 0x1528, 0x1528, gf100_gr_set_shader_exceptions },
+       {}
+};
+
+struct nvkm_oclass
+gf100_gr_sclass[] = {
+       { FERMI_TWOD_A, &nvkm_object_ofuncs },
+       { FERMI_MEMORY_TO_MEMORY_FORMAT_A, &nvkm_object_ofuncs },
+       { FERMI_A, &gf100_fermi_ofuncs, gf100_gr_9097_omthds },
+       { FERMI_COMPUTE_A, &nvkm_object_ofuncs, gf100_gr_90c0_omthds },
+       {}
+};
+
+/*******************************************************************************
+ * PGRAPH context
+ ******************************************************************************/
+
+int
+gf100_gr_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+                     struct nvkm_oclass *oclass, void *args, u32 size,
+                     struct nvkm_object **pobject)
+{
+       struct nvkm_vm *vm = nvkm_client(parent)->vm;
+       struct gf100_gr_priv *priv = (void *)engine;
+       struct gf100_gr_data *data = priv->mmio_data;
+       struct gf100_gr_mmio *mmio = priv->mmio_list;
+       struct gf100_gr_chan *chan;
+       int ret, i;
+
+       /* allocate memory for context, and fill with default values */
+       ret = nvkm_gr_context_create(parent, engine, oclass, NULL,
+                                    priv->size, 0x100,
+                                    NVOBJ_FLAG_ZERO_ALLOC, &chan);
+       *pobject = nv_object(chan);
+       if (ret)
+               return ret;
+
+       /* allocate memory for a "mmio list" buffer that's used by the HUB
+        * fuc to modify some per-context register settings on first load
+        * of the context.
+        */
+       ret = nvkm_gpuobj_new(nv_object(chan), NULL, 0x1000, 0x100, 0,
+                             &chan->mmio);
+       if (ret)
+               return ret;
+
+       ret = nvkm_gpuobj_map_vm(nv_gpuobj(chan->mmio), vm,
+                                NV_MEM_ACCESS_RW | NV_MEM_ACCESS_SYS,
+                                &chan->mmio_vma);
+       if (ret)
+               return ret;
+
+       /* allocate buffers referenced by mmio list */
+       for (i = 0; data->size && i < ARRAY_SIZE(priv->mmio_data); i++) {
+               ret = nvkm_gpuobj_new(nv_object(chan), NULL, data->size,
+                                     data->align, 0, &chan->data[i].mem);
+               if (ret)
+                       return ret;
+
+               ret = nvkm_gpuobj_map_vm(chan->data[i].mem, vm, data->access,
+                                        &chan->data[i].vma);
+               if (ret)
+                       return ret;
+
+               data++;
+       }
+
+       /* finally, fill in the mmio list and point the context at it */
+       for (i = 0; mmio->addr && i < ARRAY_SIZE(priv->mmio_list); i++) {
+               u32 addr = mmio->addr;
+               u32 data = mmio->data;
+
+               if (mmio->buffer >= 0) {
+                       u64 info = chan->data[mmio->buffer].vma.offset;
+                       data |= info >> mmio->shift;
+               }
+
+               nv_wo32(chan->mmio, chan->mmio_nr++ * 4, addr);
+               nv_wo32(chan->mmio, chan->mmio_nr++ * 4, data);
+               mmio++;
+       }
+
+       for (i = 0; i < priv->size; i += 4)
+               nv_wo32(chan, i, priv->data[i / 4]);
+
+       if (!priv->firmware) {
+               nv_wo32(chan, 0x00, chan->mmio_nr / 2);
+               nv_wo32(chan, 0x04, chan->mmio_vma.offset >> 8);
+       } else {
+               nv_wo32(chan, 0xf4, 0);
+               nv_wo32(chan, 0xf8, 0);
+               nv_wo32(chan, 0x10, chan->mmio_nr / 2);
+               nv_wo32(chan, 0x14, lower_32_bits(chan->mmio_vma.offset));
+               nv_wo32(chan, 0x18, upper_32_bits(chan->mmio_vma.offset));
+               nv_wo32(chan, 0x1c, 1);
+               nv_wo32(chan, 0x20, 0);
+               nv_wo32(chan, 0x28, 0);
+               nv_wo32(chan, 0x2c, 0);
+       }
+
+       return 0;
+}
+
+void
+gf100_gr_context_dtor(struct nvkm_object *object)
+{
+       struct gf100_gr_chan *chan = (void *)object;
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(chan->data); i++) {
+               nvkm_gpuobj_unmap(&chan->data[i].vma);
+               nvkm_gpuobj_ref(NULL, &chan->data[i].mem);
+       }
+
+       nvkm_gpuobj_unmap(&chan->mmio_vma);
+       nvkm_gpuobj_ref(NULL, &chan->mmio);
+
+       nvkm_gr_context_destroy(&chan->base);
+}
+
+/*******************************************************************************
+ * PGRAPH register lists
+ ******************************************************************************/
+
+const struct gf100_gr_init
+gf100_gr_init_main_0[] = {
+       { 0x400080,   1, 0x04, 0x003083c2 },
+       { 0x400088,   1, 0x04, 0x00006fe7 },
+       { 0x40008c,   1, 0x04, 0x00000000 },
+       { 0x400090,   1, 0x04, 0x00000030 },
+       { 0x40013c,   1, 0x04, 0x013901f7 },
+       { 0x400140,   1, 0x04, 0x00000100 },
+       { 0x400144,   1, 0x04, 0x00000000 },
+       { 0x400148,   1, 0x04, 0x00000110 },
+       { 0x400138,   1, 0x04, 0x00000000 },
+       { 0x400130,   2, 0x04, 0x00000000 },
+       { 0x400124,   1, 0x04, 0x00000002 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_fe_0[] = {
+       { 0x40415c,   1, 0x04, 0x00000000 },
+       { 0x404170,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_pri_0[] = {
+       { 0x404488,   2, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_rstr2d_0[] = {
+       { 0x407808,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_pd_0[] = {
+       { 0x406024,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_ds_0[] = {
+       { 0x405844,   1, 0x04, 0x00ffffff },
+       { 0x405850,   1, 0x04, 0x00000000 },
+       { 0x405908,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_scc_0[] = {
+       { 0x40803c,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_prop_0[] = {
+       { 0x4184a0,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_gpc_unk_0[] = {
+       { 0x418604,   1, 0x04, 0x00000000 },
+       { 0x418680,   1, 0x04, 0x00000000 },
+       { 0x418714,   1, 0x04, 0x80000000 },
+       { 0x418384,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_setup_0[] = {
+       { 0x418814,   3, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_crstr_0[] = {
+       { 0x418b04,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_setup_1[] = {
+       { 0x4188c8,   1, 0x04, 0x80000000 },
+       { 0x4188cc,   1, 0x04, 0x00000000 },
+       { 0x4188d0,   1, 0x04, 0x00010000 },
+       { 0x4188d4,   1, 0x04, 0x00000001 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_zcull_0[] = {
+       { 0x418910,   1, 0x04, 0x00010001 },
+       { 0x418914,   1, 0x04, 0x00000301 },
+       { 0x418918,   1, 0x04, 0x00800000 },
+       { 0x418980,   1, 0x04, 0x77777770 },
+       { 0x418984,   3, 0x04, 0x77777777 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_gpm_0[] = {
+       { 0x418c04,   1, 0x04, 0x00000000 },
+       { 0x418c88,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_gpc_unk_1[] = {
+       { 0x418d00,   1, 0x04, 0x00000000 },
+       { 0x418f08,   1, 0x04, 0x00000000 },
+       { 0x418e00,   1, 0x04, 0x00000050 },
+       { 0x418e08,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_gcc_0[] = {
+       { 0x41900c,   1, 0x04, 0x00000000 },
+       { 0x419018,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_tpccs_0[] = {
+       { 0x419d08,   2, 0x04, 0x00000000 },
+       { 0x419d10,   1, 0x04, 0x00000014 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_tex_0[] = {
+       { 0x419ab0,   1, 0x04, 0x00000000 },
+       { 0x419ab8,   1, 0x04, 0x000000e7 },
+       { 0x419abc,   2, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_pe_0[] = {
+       { 0x41980c,   3, 0x04, 0x00000000 },
+       { 0x419844,   1, 0x04, 0x00000000 },
+       { 0x41984c,   1, 0x04, 0x00005bc5 },
+       { 0x419850,   4, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_l1c_0[] = {
+       { 0x419c98,   1, 0x04, 0x00000000 },
+       { 0x419ca8,   1, 0x04, 0x80000000 },
+       { 0x419cb4,   1, 0x04, 0x00000000 },
+       { 0x419cb8,   1, 0x04, 0x00008bf4 },
+       { 0x419cbc,   1, 0x04, 0x28137606 },
+       { 0x419cc0,   2, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_wwdx_0[] = {
+       { 0x419bd4,   1, 0x04, 0x00800000 },
+       { 0x419bdc,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_tpccs_1[] = {
+       { 0x419d2c,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_mpc_0[] = {
+       { 0x419c0c,   1, 0x04, 0x00000000 },
+       {}
+};
+
+static const struct gf100_gr_init
+gf100_gr_init_sm_0[] = {
+       { 0x419e00,   1, 0x04, 0x00000000 },
+       { 0x419ea0,   1, 0x04, 0x00000000 },
+       { 0x419ea4,   1, 0x04, 0x00000100 },
+       { 0x419ea8,   1, 0x04, 0x00001100 },
+       { 0x419eac,   1, 0x04, 0x11100702 },
+       { 0x419eb0,   1, 0x04, 0x00000003 },
+       { 0x419eb4,   4, 0x04, 0x00000000 },
+       { 0x419ec8,   1, 0x04, 0x06060618 },
+       { 0x419ed0,   1, 0x04, 0x0eff0e38 },
+       { 0x419ed4,   1, 0x04, 0x011104f1 },
+       { 0x419edc,   1, 0x04, 0x00000000 },
+       { 0x419f00,   1, 0x04, 0x00000000 },
+       { 0x419f2c,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_be_0[] = {
+       { 0x40880c,   1, 0x04, 0x00000000 },
+       { 0x408910,   9, 0x04, 0x00000000 },
+       { 0x408950,   1, 0x04, 0x00000000 },
+       { 0x408954,   1, 0x04, 0x0000ffff },
+       { 0x408984,   1, 0x04, 0x00000000 },
+       { 0x408988,   1, 0x04, 0x08040201 },
+       { 0x40898c,   1, 0x04, 0x80402010 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_fe_1[] = {
+       { 0x4040f0,   1, 0x04, 0x00000000 },
+       {}
+};
+
+const struct gf100_gr_init
+gf100_gr_init_pe_1[] = {
+       { 0x419880,   1, 0x04, 0x00000002 },
+       {}
+};
+
+static const struct gf100_gr_pack
+gf100_gr_pack_mmio[] = {
+       { gf100_gr_init_main_0 },
+       { gf100_gr_init_fe_0 },
+       { gf100_gr_init_pri_0 },
+       { gf100_gr_init_rstr2d_0 },
+       { gf100_gr_init_pd_0 },
+       { gf100_gr_init_ds_0 },
+       { gf100_gr_init_scc_0 },
+       { gf100_gr_init_prop_0 },
+       { gf100_gr_init_gpc_unk_0 },
+       { gf100_gr_init_setup_0 },
+       { gf100_gr_init_crstr_0 },
+       { gf100_gr_init_setup_1 },
+       { gf100_gr_init_zcull_0 },
+       { gf100_gr_init_gpm_0 },
+       { gf100_gr_init_gpc_unk_1 },
+       { gf100_gr_init_gcc_0 },
+       { gf100_gr_init_tpccs_0 },
+       { gf100_gr_init_tex_0 },
+       { gf100_gr_init_pe_0 },
+       { gf100_gr_init_l1c_0 },
+       { gf100_gr_init_wwdx_0 },
+       { gf100_gr_init_tpccs_1 },
+       { gf100_gr_init_mpc_0 },
+       { gf100_gr_init_sm_0 },
+       { gf100_gr_init_be_0 },
+       { gf100_gr_init_fe_1 },
+       { gf100_gr_init_pe_1 },
+       {}
+};
+
+/*******************************************************************************
+ * PGRAPH engine/subdev functions
+ ******************************************************************************/
+
+void
+gf100_gr_zbc_init(struct gf100_gr_priv *priv)
+{
+       const u32  zero[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+                             0x00000000, 0x00000000, 0x00000000, 0x00000000 };
+       const u32   one[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
+                             0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
+       const u32 f32_0[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+                             0x00000000, 0x00000000, 0x00000000, 0x00000000 };
+       const u32 f32_1[] = { 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000,
+                             0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000 };
+       struct nvkm_ltc *ltc = nvkm_ltc(priv);
+       int index;
+
+       if (!priv->zbc_color[0].format) {
+               gf100_gr_zbc_color_get(priv, 1,  & zero[0],   &zero[4]);
+               gf100_gr_zbc_color_get(priv, 2,  &  one[0],    &one[4]);
+               gf100_gr_zbc_color_get(priv, 4,  &f32_0[0],  &f32_0[4]);
+               gf100_gr_zbc_color_get(priv, 4,  &f32_1[0],  &f32_1[4]);
+               gf100_gr_zbc_depth_get(priv, 1, 0x00000000, 0x00000000);
+               gf100_gr_zbc_depth_get(priv, 1, 0x3f800000, 0x3f800000);
+       }
+
+       for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
+               gf100_gr_zbc_clear_color(priv, index);
+       for (index = ltc->zbc_min; index <= ltc->zbc_max; index++)
+               gf100_gr_zbc_clear_depth(priv, index);
+}
+
+void
+gf100_gr_mmio(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p)
+{
+       const struct gf100_gr_pack *pack;
+       const struct gf100_gr_init *init;
+
+       pack_for_each_init(init, pack, p) {
+               u32 next = init->addr + init->count * init->pitch;
+               u32 addr = init->addr;
+               while (addr < next) {
+                       nv_wr32(priv, addr, init->data);
+                       addr += init->pitch;
+               }
+       }
+}
+
+void
+gf100_gr_icmd(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p)
+{
+       const struct gf100_gr_pack *pack;
+       const struct gf100_gr_init *init;
+       u32 data = 0;
+
+       nv_wr32(priv, 0x400208, 0x80000000);
+
+       pack_for_each_init(init, pack, p) {
+               u32 next = init->addr + init->count * init->pitch;
+               u32 addr = init->addr;
+
+               if ((pack == p && init == p->init) || data != init->data) {
+                       nv_wr32(priv, 0x400204, init->data);
+                       data = init->data;
+               }
+
+               while (addr < next) {
+                       nv_wr32(priv, 0x400200, addr);
+                       nv_wait(priv, 0x400700, 0x00000002, 0x00000000);
+                       addr += init->pitch;
+               }
+       }
+
+       nv_wr32(priv, 0x400208, 0x00000000);
+}
+
+void
+gf100_gr_mthd(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p)
+{
+       const struct gf100_gr_pack *pack;
+       const struct gf100_gr_init *init;
+       u32 data = 0;
+
+       pack_for_each_init(init, pack, p) {
+               u32 ctrl = 0x80000000 | pack->type;
+               u32 next = init->addr + init->count * init->pitch;
+               u32 addr = init->addr;
+
+               if ((pack == p && init == p->init) || data != init->data) {
+                       nv_wr32(priv, 0x40448c, init->data);
+                       data = init->data;
+               }
+
+               while (addr < next) {
+                       nv_wr32(priv, 0x404488, ctrl | (addr << 14));
+                       addr += init->pitch;
+               }
+       }
+}
+
+u64
+gf100_gr_units(struct nvkm_gr *gr)
+{
+       struct gf100_gr_priv *priv = (void *)gr;
+       u64 cfg;
+
+       cfg  = (u32)priv->gpc_nr;
+       cfg |= (u32)priv->tpc_total << 8;
+       cfg |= (u64)priv->rop_nr << 32;
+
+       return cfg;
+}
+
+static const struct nvkm_enum gk104_sked_error[] = {
+       { 7, "CONSTANT_BUFFER_SIZE" },
+       { 9, "LOCAL_MEMORY_SIZE_POS" },
+       { 10, "LOCAL_MEMORY_SIZE_NEG" },
+       { 11, "WARP_CSTACK_SIZE" },
+       { 12, "TOTAL_TEMP_SIZE" },
+       { 13, "REGISTER_COUNT" },
+       { 18, "TOTAL_THREADS" },
+       { 20, "PROGRAM_OFFSET" },
+       { 21, "SHARED_MEMORY_SIZE" },
+       { 25, "SHARED_CONFIG_TOO_SMALL" },
+       { 26, "TOTAL_REGISTER_COUNT" },
+       {}
+};
+
+static const struct nvkm_enum gf100_gpc_rop_error[] = {
+       { 1, "RT_PITCH_OVERRUN" },
+       { 4, "RT_WIDTH_OVERRUN" },
+       { 5, "RT_HEIGHT_OVERRUN" },
+       { 7, "ZETA_STORAGE_TYPE_MISMATCH" },
+       { 8, "RT_STORAGE_TYPE_MISMATCH" },
+       { 10, "RT_LINEAR_MISMATCH" },
+       {}
+};
+
+static void
+gf100_gr_trap_gpc_rop(struct gf100_gr_priv *priv, int gpc)
+{
+       u32 trap[4];
+       int i;
+
+       trap[0] = nv_rd32(priv, GPC_UNIT(gpc, 0x0420));
+       trap[1] = nv_rd32(priv, GPC_UNIT(gpc, 0x0434));
+       trap[2] = nv_rd32(priv, GPC_UNIT(gpc, 0x0438));
+       trap[3] = nv_rd32(priv, GPC_UNIT(gpc, 0x043c));
+
+       nv_error(priv, "GPC%d/PROP trap:", gpc);
+       for (i = 0; i <= 29; ++i) {
+               if (!(trap[0] & (1 << i)))
+                       continue;
+               pr_cont(" ");
+               nvkm_enum_print(gf100_gpc_rop_error, i);
+       }
+       pr_cont("\n");
+
+       nv_error(priv, "x = %u, y = %u, format = %x, storage type = %x\n",
+                trap[1] & 0xffff, trap[1] >> 16, (trap[2] >> 8) & 0x3f,
+                trap[3] & 0xff);
+       nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
+}
+
+static const struct nvkm_enum gf100_mp_warp_error[] = {
+       { 0x00, "NO_ERROR" },
+       { 0x01, "STACK_MISMATCH" },
+       { 0x05, "MISALIGNED_PC" },
+       { 0x08, "MISALIGNED_GPR" },
+       { 0x09, "INVALID_OPCODE" },
+       { 0x0d, "GPR_OUT_OF_BOUNDS" },
+       { 0x0e, "MEM_OUT_OF_BOUNDS" },
+       { 0x0f, "UNALIGNED_MEM_ACCESS" },
+       { 0x11, "INVALID_PARAM" },
+       {}
+};
+
+static const struct nvkm_bitfield gf100_mp_global_error[] = {
+       { 0x00000004, "MULTIPLE_WARP_ERRORS" },
+       { 0x00000008, "OUT_OF_STACK_SPACE" },
+       {}
+};
+
+static void
+gf100_gr_trap_mp(struct gf100_gr_priv *priv, int gpc, int tpc)
+{
+       u32 werr = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x648));
+       u32 gerr = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x650));
+
+       nv_error(priv, "GPC%i/TPC%i/MP trap:", gpc, tpc);
+       nvkm_bitfield_print(gf100_mp_global_error, gerr);
+       if (werr) {
+               pr_cont(" ");
+               nvkm_enum_print(gf100_mp_warp_error, werr & 0xffff);
+       }
+       pr_cont("\n");
+
+       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x648), 0x00000000);
+       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x650), gerr);
+}
+
+static void
+gf100_gr_trap_tpc(struct gf100_gr_priv *priv, int gpc, int tpc)
+{
+       u32 stat = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0508));
+
+       if (stat & 0x00000001) {
+               u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0224));
+               nv_error(priv, "GPC%d/TPC%d/TEX: 0x%08x\n", gpc, tpc, trap);
+               nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
+               stat &= ~0x00000001;
+       }
+
+       if (stat & 0x00000002) {
+               gf100_gr_trap_mp(priv, gpc, tpc);
+               stat &= ~0x00000002;
+       }
+
+       if (stat & 0x00000004) {
+               u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0084));
+               nv_error(priv, "GPC%d/TPC%d/POLY: 0x%08x\n", gpc, tpc, trap);
+               nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
+               stat &= ~0x00000004;
+       }
+
+       if (stat & 0x00000008) {
+               u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x048c));
+               nv_error(priv, "GPC%d/TPC%d/L1C: 0x%08x\n", gpc, tpc, trap);
+               nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
+               stat &= ~0x00000008;
+       }
+
+       if (stat) {
+               nv_error(priv, "GPC%d/TPC%d/0x%08x: unknown\n", gpc, tpc, stat);
+       }
+}
+
+static void
+gf100_gr_trap_gpc(struct gf100_gr_priv *priv, int gpc)
+{
+       u32 stat = nv_rd32(priv, GPC_UNIT(gpc, 0x2c90));
+       int tpc;
+
+       if (stat & 0x00000001) {
+               gf100_gr_trap_gpc_rop(priv, gpc);
+               stat &= ~0x00000001;
+       }
+
+       if (stat & 0x00000002) {
+               u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0900));
+               nv_error(priv, "GPC%d/ZCULL: 0x%08x\n", gpc, trap);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
+               stat &= ~0x00000002;
+       }
+
+       if (stat & 0x00000004) {
+               u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x1028));
+               nv_error(priv, "GPC%d/CCACHE: 0x%08x\n", gpc, trap);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
+               stat &= ~0x00000004;
+       }
+
+       if (stat & 0x00000008) {
+               u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0824));
+               nv_error(priv, "GPC%d/ESETUP: 0x%08x\n", gpc, trap);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
+               stat &= ~0x00000009;
+       }
+
+       for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
+               u32 mask = 0x00010000 << tpc;
+               if (stat & mask) {
+                       gf100_gr_trap_tpc(priv, gpc, tpc);
+                       nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), mask);
+                       stat &= ~mask;
+               }
+       }
+
+       if (stat) {
+               nv_error(priv, "GPC%d/0x%08x: unknown\n", gpc, stat);
+       }
+}
+
+static void
+gf100_gr_trap_intr(struct gf100_gr_priv *priv)
+{
+       u32 trap = nv_rd32(priv, 0x400108);
+       int rop, gpc, i;
+
+       if (trap & 0x00000001) {
+               u32 stat = nv_rd32(priv, 0x404000);
+               nv_error(priv, "DISPATCH 0x%08x\n", stat);
+               nv_wr32(priv, 0x404000, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000001);
+               trap &= ~0x00000001;
+       }
+
+       if (trap & 0x00000002) {
+               u32 stat = nv_rd32(priv, 0x404600);
+               nv_error(priv, "M2MF 0x%08x\n", stat);
+               nv_wr32(priv, 0x404600, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000002);
+               trap &= ~0x00000002;
+       }
+
+       if (trap & 0x00000008) {
+               u32 stat = nv_rd32(priv, 0x408030);
+               nv_error(priv, "CCACHE 0x%08x\n", stat);
+               nv_wr32(priv, 0x408030, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000008);
+               trap &= ~0x00000008;
+       }
+
+       if (trap & 0x00000010) {
+               u32 stat = nv_rd32(priv, 0x405840);
+               nv_error(priv, "SHADER 0x%08x\n", stat);
+               nv_wr32(priv, 0x405840, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000010);
+               trap &= ~0x00000010;
+       }
+
+       if (trap & 0x00000040) {
+               u32 stat = nv_rd32(priv, 0x40601c);
+               nv_error(priv, "UNK6 0x%08x\n", stat);
+               nv_wr32(priv, 0x40601c, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000040);
+               trap &= ~0x00000040;
+       }
+
+       if (trap & 0x00000080) {
+               u32 stat = nv_rd32(priv, 0x404490);
+               nv_error(priv, "MACRO 0x%08x\n", stat);
+               nv_wr32(priv, 0x404490, 0xc0000000);
+               nv_wr32(priv, 0x400108, 0x00000080);
+               trap &= ~0x00000080;
+       }
+
+       if (trap & 0x00000100) {
+               u32 stat = nv_rd32(priv, 0x407020);
+
+               nv_error(priv, "SKED:");
+               for (i = 0; i <= 29; ++i) {
+                       if (!(stat & (1 << i)))
+                               continue;
+                       pr_cont(" ");
+                       nvkm_enum_print(gk104_sked_error, i);
+               }
+               pr_cont("\n");
+
+               if (stat & 0x3fffffff)
+                       nv_wr32(priv, 0x407020, 0x40000000);
+               nv_wr32(priv, 0x400108, 0x00000100);
+               trap &= ~0x00000100;
+       }
+
+       if (trap & 0x01000000) {
+               u32 stat = nv_rd32(priv, 0x400118);
+               for (gpc = 0; stat && gpc < priv->gpc_nr; gpc++) {
+                       u32 mask = 0x00000001 << gpc;
+                       if (stat & mask) {
+                               gf100_gr_trap_gpc(priv, gpc);
+                               nv_wr32(priv, 0x400118, mask);
+                               stat &= ~mask;
+                       }
+               }
+               nv_wr32(priv, 0x400108, 0x01000000);
+               trap &= ~0x01000000;
+       }
+
+       if (trap & 0x02000000) {
+               for (rop = 0; rop < priv->rop_nr; rop++) {
+                       u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070));
+                       u32 statc = nv_rd32(priv, ROP_UNIT(rop, 0x144));
+                       nv_error(priv, "ROP%d 0x%08x 0x%08x\n",
+                                rop, statz, statc);
+                       nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
+                       nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
+               }
+               nv_wr32(priv, 0x400108, 0x02000000);
+               trap &= ~0x02000000;
+       }
+
+       if (trap) {
+               nv_error(priv, "TRAP UNHANDLED 0x%08x\n", trap);
+               nv_wr32(priv, 0x400108, trap);
+       }
+}
+
+static void
+gf100_gr_ctxctl_debug_unit(struct gf100_gr_priv *priv, u32 base)
+{
+       nv_error(priv, "%06x - done 0x%08x\n", base,
+                nv_rd32(priv, base + 0x400));
+       nv_error(priv, "%06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
+                nv_rd32(priv, base + 0x800), nv_rd32(priv, base + 0x804),
+                nv_rd32(priv, base + 0x808), nv_rd32(priv, base + 0x80c));
+       nv_error(priv, "%06x - stat 0x%08x 0x%08x 0x%08x 0x%08x\n", base,
+                nv_rd32(priv, base + 0x810), nv_rd32(priv, base + 0x814),
+                nv_rd32(priv, base + 0x818), nv_rd32(priv, base + 0x81c));
+}
+
+void
+gf100_gr_ctxctl_debug(struct gf100_gr_priv *priv)
+{
+       u32 gpcnr = nv_rd32(priv, 0x409604) & 0xffff;
+       u32 gpc;
+
+       gf100_gr_ctxctl_debug_unit(priv, 0x409000);
+       for (gpc = 0; gpc < gpcnr; gpc++)
+               gf100_gr_ctxctl_debug_unit(priv, 0x502000 + (gpc * 0x8000));
+}
+
+static void
+gf100_gr_ctxctl_isr(struct gf100_gr_priv *priv)
+{
+       u32 stat = nv_rd32(priv, 0x409c18);
+
+       if (stat & 0x00000001) {
+               u32 code = nv_rd32(priv, 0x409814);
+               if (code == E_BAD_FWMTHD) {
+                       u32 class = nv_rd32(priv, 0x409808);
+                       u32  addr = nv_rd32(priv, 0x40980c);
+                       u32  subc = (addr & 0x00070000) >> 16;
+                       u32  mthd = (addr & 0x00003ffc);
+                       u32  data = nv_rd32(priv, 0x409810);
+
+                       nv_error(priv, "FECS MTHD subc %d class 0x%04x "
+                                      "mthd 0x%04x data 0x%08x\n",
+                                subc, class, mthd, data);
+
+                       nv_wr32(priv, 0x409c20, 0x00000001);
+                       stat &= ~0x00000001;
+               } else {
+                       nv_error(priv, "FECS ucode error %d\n", code);
+               }
+       }
+
+       if (stat & 0x00080000) {
+               nv_error(priv, "FECS watchdog timeout\n");
+               gf100_gr_ctxctl_debug(priv);
+               nv_wr32(priv, 0x409c20, 0x00080000);
+               stat &= ~0x00080000;
+       }
+
+       if (stat) {
+               nv_error(priv, "FECS 0x%08x\n", stat);
+               gf100_gr_ctxctl_debug(priv);
+               nv_wr32(priv, 0x409c20, stat);
+       }
+}
+
+static void
+gf100_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;
+       struct gf100_gr_priv *priv = (void *)subdev;
+       u64 inst = nv_rd32(priv, 0x409b00) & 0x0fffffff;
+       u32 stat = nv_rd32(priv, 0x400100);
+       u32 addr = nv_rd32(priv, 0x400704);
+       u32 mthd = (addr & 0x00003ffc);
+       u32 subc = (addr & 0x00070000) >> 16;
+       u32 data = nv_rd32(priv, 0x400708);
+       u32 code = nv_rd32(priv, 0x400110);
+       u32 class;
+       int chid;
+
+       if (nv_device(priv)->card_type < NV_E0 || subc < 4)
+               class = nv_rd32(priv, 0x404200 + (subc * 4));
+       else
+               class = 0x0000;
+
+       engctx = nvkm_engctx_get(engine, inst);
+       chid   = pfifo->chid(pfifo, engctx);
+
+       if (stat & 0x00000001) {
+               /*
+                * notifier interrupt, only needed for cyclestats
+                * can be safely ignored
+                */
+               nv_wr32(priv, 0x400100, 0x00000001);
+               stat &= ~0x00000001;
+       }
+
+       if (stat & 0x00000010) {
+               handle = nvkm_handle_get_class(engctx, class);
+               if (!handle || nv_call(handle->object, mthd, data)) {
+                       nv_error(priv,
+                                "ILLEGAL_MTHD ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
+                                chid, inst << 12, nvkm_client_name(engctx),
+                                subc, class, mthd, data);
+               }
+               nvkm_handle_put(handle);
+               nv_wr32(priv, 0x400100, 0x00000010);
+               stat &= ~0x00000010;
+       }
+
+       if (stat & 0x00000020) {
+               nv_error(priv,
+                        "ILLEGAL_CLASS ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
+                        chid, inst << 12, nvkm_client_name(engctx), subc,
+                        class, mthd, data);
+               nv_wr32(priv, 0x400100, 0x00000020);
+               stat &= ~0x00000020;
+       }
+
+       if (stat & 0x00100000) {
+               nv_error(priv, "DATA_ERROR [");
+               nvkm_enum_print(nv50_data_error_names, code);
+               pr_cont("] ch %d [0x%010llx %s] subc %d class 0x%04x mthd 0x%04x data 0x%08x\n",
+                       chid, inst << 12, nvkm_client_name(engctx), subc,
+                       class, mthd, data);
+               nv_wr32(priv, 0x400100, 0x00100000);
+               stat &= ~0x00100000;
+       }
+
+       if (stat & 0x00200000) {
+               nv_error(priv, "TRAP ch %d [0x%010llx %s]\n", chid, inst << 12,
+                        nvkm_client_name(engctx));
+               gf100_gr_trap_intr(priv);
+               nv_wr32(priv, 0x400100, 0x00200000);
+               stat &= ~0x00200000;
+       }
+
+       if (stat & 0x00080000) {
+               gf100_gr_ctxctl_isr(priv);
+               nv_wr32(priv, 0x400100, 0x00080000);
+               stat &= ~0x00080000;
+       }
+
+       if (stat) {
+               nv_error(priv, "unknown stat 0x%08x\n", stat);
+               nv_wr32(priv, 0x400100, stat);
+       }
+
+       nv_wr32(priv, 0x400500, 0x00010001);
+       nvkm_engctx_put(engctx);
+}
+
+void
+gf100_gr_init_fw(struct gf100_gr_priv *priv, u32 fuc_base,
+                struct gf100_gr_fuc *code, struct gf100_gr_fuc *data)
+{
+       int i;
+
+       nv_wr32(priv, fuc_base + 0x01c0, 0x01000000);
+       for (i = 0; i < data->size / 4; i++)
+               nv_wr32(priv, fuc_base + 0x01c4, data->data[i]);
+
+       nv_wr32(priv, fuc_base + 0x0180, 0x01000000);
+       for (i = 0; i < code->size / 4; i++) {
+               if ((i & 0x3f) == 0)
+                       nv_wr32(priv, fuc_base + 0x0188, i >> 6);
+               nv_wr32(priv, fuc_base + 0x0184, code->data[i]);
+       }
+
+       /* code must be padded to 0x40 words */
+       for (; i & 0x3f; i++)
+               nv_wr32(priv, fuc_base + 0x0184, 0);
+}
+
+static void
+gf100_gr_init_csdata(struct gf100_gr_priv *priv,
+                    const struct gf100_gr_pack *pack,
+                    u32 falcon, u32 starstar, u32 base)
+{
+       const struct gf100_gr_pack *iter;
+       const struct gf100_gr_init *init;
+       u32 addr = ~0, prev = ~0, xfer = 0;
+       u32 star, temp;
+
+       nv_wr32(priv, falcon + 0x01c0, 0x02000000 + starstar);
+       star = nv_rd32(priv, falcon + 0x01c4);
+       temp = nv_rd32(priv, falcon + 0x01c4);
+       if (temp > star)
+               star = temp;
+       nv_wr32(priv, falcon + 0x01c0, 0x01000000 + star);
+
+       pack_for_each_init(init, iter, pack) {
+               u32 head = init->addr - base;
+               u32 tail = head + init->count * init->pitch;
+               while (head < tail) {
+                       if (head != prev + 4 || xfer >= 32) {
+                               if (xfer) {
+                                       u32 data = ((--xfer << 26) | addr);
+                                       nv_wr32(priv, falcon + 0x01c4, data);
+                                       star += 4;
+                               }
+                               addr = head;
+                               xfer = 0;
+                       }
+                       prev = head;
+                       xfer = xfer + 1;
+                       head = head + init->pitch;
+               }
+       }
+
+       nv_wr32(priv, falcon + 0x01c4, (--xfer << 26) | addr);
+       nv_wr32(priv, falcon + 0x01c0, 0x01000004 + starstar);
+       nv_wr32(priv, falcon + 0x01c4, star + 4);
+}
+
+int
+gf100_gr_init_ctxctl(struct gf100_gr_priv *priv)
+{
+       struct gf100_gr_oclass *oclass = (void *)nv_object(priv)->oclass;
+       struct gf100_grctx_oclass *cclass = (void *)nv_engine(priv)->cclass;
+       int i;
+
+       if (priv->firmware) {
+               /* load fuc microcode */
+               nvkm_mc(priv)->unk260(nvkm_mc(priv), 0);
+               gf100_gr_init_fw(priv, 0x409000, &priv->fuc409c,
+                                                &priv->fuc409d);
+               gf100_gr_init_fw(priv, 0x41a000, &priv->fuc41ac,
+                                                &priv->fuc41ad);
+               nvkm_mc(priv)->unk260(nvkm_mc(priv), 1);
+
+               /* start both of them running */
+               nv_wr32(priv, 0x409840, 0xffffffff);
+               nv_wr32(priv, 0x41a10c, 0x00000000);
+               nv_wr32(priv, 0x40910c, 0x00000000);
+               nv_wr32(priv, 0x41a100, 0x00000002);
+               nv_wr32(priv, 0x409100, 0x00000002);
+               if (!nv_wait(priv, 0x409800, 0x00000001, 0x00000001))
+                       nv_warn(priv, "0x409800 wait failed\n");
+
+               nv_wr32(priv, 0x409840, 0xffffffff);
+               nv_wr32(priv, 0x409500, 0x7fffffff);
+               nv_wr32(priv, 0x409504, 0x00000021);
+
+               nv_wr32(priv, 0x409840, 0xffffffff);
+               nv_wr32(priv, 0x409500, 0x00000000);
+               nv_wr32(priv, 0x409504, 0x00000010);
+               if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                       nv_error(priv, "fuc09 req 0x10 timeout\n");
+                       return -EBUSY;
+               }
+               priv->size = nv_rd32(priv, 0x409800);
+
+               nv_wr32(priv, 0x409840, 0xffffffff);
+               nv_wr32(priv, 0x409500, 0x00000000);
+               nv_wr32(priv, 0x409504, 0x00000016);
+               if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                       nv_error(priv, "fuc09 req 0x16 timeout\n");
+                       return -EBUSY;
+               }
+
+               nv_wr32(priv, 0x409840, 0xffffffff);
+               nv_wr32(priv, 0x409500, 0x00000000);
+               nv_wr32(priv, 0x409504, 0x00000025);
+               if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                       nv_error(priv, "fuc09 req 0x25 timeout\n");
+                       return -EBUSY;
+               }
+
+               if (nv_device(priv)->chipset >= 0xe0) {
+                       nv_wr32(priv, 0x409800, 0x00000000);
+                       nv_wr32(priv, 0x409500, 0x00000001);
+                       nv_wr32(priv, 0x409504, 0x00000030);
+                       if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                               nv_error(priv, "fuc09 req 0x30 timeout\n");
+                               return -EBUSY;
+                       }
+
+                       nv_wr32(priv, 0x409810, 0xb00095c8);
+                       nv_wr32(priv, 0x409800, 0x00000000);
+                       nv_wr32(priv, 0x409500, 0x00000001);
+                       nv_wr32(priv, 0x409504, 0x00000031);
+                       if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                               nv_error(priv, "fuc09 req 0x31 timeout\n");
+                               return -EBUSY;
+                       }
+
+                       nv_wr32(priv, 0x409810, 0x00080420);
+                       nv_wr32(priv, 0x409800, 0x00000000);
+                       nv_wr32(priv, 0x409500, 0x00000001);
+                       nv_wr32(priv, 0x409504, 0x00000032);
+                       if (!nv_wait_ne(priv, 0x409800, 0xffffffff, 0x00000000)) {
+                               nv_error(priv, "fuc09 req 0x32 timeout\n");
+                               return -EBUSY;
+                       }
+
+                       nv_wr32(priv, 0x409614, 0x00000070);
+                       nv_wr32(priv, 0x409614, 0x00000770);
+                       nv_wr32(priv, 0x40802c, 0x00000001);
+               }
+
+               if (priv->data == NULL) {
+                       int ret = gf100_grctx_generate(priv);
+                       if (ret) {
+                               nv_error(priv, "failed to construct context\n");
+                               return ret;
+                       }
+               }
+
+               return 0;
+       } else
+       if (!oclass->fecs.ucode) {
+               return -ENOSYS;
+       }
+
+       /* load HUB microcode */
+       nvkm_mc(priv)->unk260(nvkm_mc(priv), 0);
+       nv_wr32(priv, 0x4091c0, 0x01000000);
+       for (i = 0; i < oclass->fecs.ucode->data.size / 4; i++)
+               nv_wr32(priv, 0x4091c4, oclass->fecs.ucode->data.data[i]);
+
+       nv_wr32(priv, 0x409180, 0x01000000);
+       for (i = 0; i < oclass->fecs.ucode->code.size / 4; i++) {
+               if ((i & 0x3f) == 0)
+                       nv_wr32(priv, 0x409188, i >> 6);
+               nv_wr32(priv, 0x409184, oclass->fecs.ucode->code.data[i]);
+       }
+
+       /* load GPC microcode */
+       nv_wr32(priv, 0x41a1c0, 0x01000000);
+       for (i = 0; i < oclass->gpccs.ucode->data.size / 4; i++)
+               nv_wr32(priv, 0x41a1c4, oclass->gpccs.ucode->data.data[i]);
+
+       nv_wr32(priv, 0x41a180, 0x01000000);
+       for (i = 0; i < oclass->gpccs.ucode->code.size / 4; i++) {
+               if ((i & 0x3f) == 0)
+                       nv_wr32(priv, 0x41a188, i >> 6);
+               nv_wr32(priv, 0x41a184, oclass->gpccs.ucode->code.data[i]);
+       }
+       nvkm_mc(priv)->unk260(nvkm_mc(priv), 1);
+
+       /* load register lists */
+       gf100_gr_init_csdata(priv, cclass->hub, 0x409000, 0x000, 0x000000);
+       gf100_gr_init_csdata(priv, cclass->gpc, 0x41a000, 0x000, 0x418000);
+       gf100_gr_init_csdata(priv, cclass->tpc, 0x41a000, 0x004, 0x419800);
+       gf100_gr_init_csdata(priv, cclass->ppc, 0x41a000, 0x008, 0x41be00);
+
+       /* start HUB ucode running, it'll init the GPCs */
+       nv_wr32(priv, 0x40910c, 0x00000000);
+       nv_wr32(priv, 0x409100, 0x00000002);
+       if (!nv_wait(priv, 0x409800, 0x80000000, 0x80000000)) {
+               nv_error(priv, "HUB_INIT timed out\n");
+               gf100_gr_ctxctl_debug(priv);
+               return -EBUSY;
+       }
+
+       priv->size = nv_rd32(priv, 0x409804);
+       if (priv->data == NULL) {
+               int ret = gf100_grctx_generate(priv);
+               if (ret) {
+                       nv_error(priv, "failed to construct context\n");
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
+int
+gf100_gr_init(struct nvkm_object *object)
+{
+       struct gf100_gr_oclass *oclass = (void *)object->oclass;
+       struct gf100_gr_priv *priv = (void *)object;
+       const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, priv->tpc_total);
+       u32 data[TPC_MAX / 8] = {};
+       u8  tpcnr[GPC_MAX];
+       int gpc, tpc, rop;
+       int ret, i;
+
+       ret = nvkm_gr_init(&priv->base);
+       if (ret)
+               return ret;
+
+       nv_wr32(priv, GPC_BCAST(0x0880), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x08a4), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x0888), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x088c), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x0890), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x0894), 0x00000000);
+       nv_wr32(priv, GPC_BCAST(0x08b4), priv->unk4188b4->addr >> 8);
+       nv_wr32(priv, GPC_BCAST(0x08b8), priv->unk4188b8->addr >> 8);
+
+       gf100_gr_mmio(priv, oclass->mmio);
+
+       memcpy(tpcnr, priv->tpc_nr, sizeof(priv->tpc_nr));
+       for (i = 0, gpc = -1; i < priv->tpc_total; i++) {
+               do {
+                       gpc = (gpc + 1) % priv->gpc_nr;
+               } while (!tpcnr[gpc]);
+               tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
+
+               data[i / 8] |= tpc << ((i % 8) * 4);
+       }
+
+       nv_wr32(priv, GPC_BCAST(0x0980), data[0]);
+       nv_wr32(priv, GPC_BCAST(0x0984), data[1]);
+       nv_wr32(priv, GPC_BCAST(0x0988), data[2]);
+       nv_wr32(priv, GPC_BCAST(0x098c), data[3]);
+
+       for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0914),
+                       priv->magic_not_rop_nr << 8 | priv->tpc_nr[gpc]);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0910), 0x00040000 |
+                       priv->tpc_total);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0918), magicgpc918);
+       }
+
+       if (nv_device(priv)->chipset != 0xd7)
+               nv_wr32(priv, GPC_BCAST(0x1bd4), magicgpc918);
+       else
+               nv_wr32(priv, GPC_BCAST(0x3fd4), magicgpc918);
+
+       nv_wr32(priv, GPC_BCAST(0x08ac), nv_rd32(priv, 0x100800));
+
+       nv_wr32(priv, 0x400500, 0x00010001);
+
+       nv_wr32(priv, 0x400100, 0xffffffff);
+       nv_wr32(priv, 0x40013c, 0xffffffff);
+
+       nv_wr32(priv, 0x409c24, 0x000f0000);
+       nv_wr32(priv, 0x404000, 0xc0000000);
+       nv_wr32(priv, 0x404600, 0xc0000000);
+       nv_wr32(priv, 0x408030, 0xc0000000);
+       nv_wr32(priv, 0x40601c, 0xc0000000);
+       nv_wr32(priv, 0x404490, 0xc0000000);
+       nv_wr32(priv, 0x406018, 0xc0000000);
+       nv_wr32(priv, 0x405840, 0xc0000000);
+       nv_wr32(priv, 0x405844, 0x00ffffff);
+       nv_mask(priv, 0x419cc0, 0x00000008, 0x00000008);
+       nv_mask(priv, 0x419eb4, 0x00001000, 0x00001000);
+
+       for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
+               for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x644), 0x001ffffe);
+                       nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x64c), 0x0000000f);
+               }
+               nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
+               nv_wr32(priv, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
+       }
+
+       for (rop = 0; rop < priv->rop_nr; rop++) {
+               nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
+               nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
+               nv_wr32(priv, ROP_UNIT(rop, 0x204), 0xffffffff);
+               nv_wr32(priv, ROP_UNIT(rop, 0x208), 0xffffffff);
+       }
+
+       nv_wr32(priv, 0x400108, 0xffffffff);
+       nv_wr32(priv, 0x400138, 0xffffffff);
+       nv_wr32(priv, 0x400118, 0xffffffff);
+       nv_wr32(priv, 0x400130, 0xffffffff);
+       nv_wr32(priv, 0x40011c, 0xffffffff);
+       nv_wr32(priv, 0x400134, 0xffffffff);
+
+       nv_wr32(priv, 0x400054, 0x34ce3464);
+
+       gf100_gr_zbc_init(priv);
+
+       return gf100_gr_init_ctxctl(priv);
+}
+
+static void
+gf100_gr_dtor_fw(struct gf100_gr_fuc *fuc)
+{
+       kfree(fuc->data);
+       fuc->data = NULL;
+}
+
+int
+gf100_gr_ctor_fw(struct gf100_gr_priv *priv, const char *fwname,
+                struct gf100_gr_fuc *fuc)
+{
+       struct nvkm_device *device = nv_device(priv);
+       const struct firmware *fw;
+       char f[32];
+       int ret;
+
+       snprintf(f, sizeof(f), "nouveau/nv%02x_%s", device->chipset, fwname);
+       ret = request_firmware(&fw, f, nv_device_base(device));
+       if (ret) {
+               snprintf(f, sizeof(f), "nouveau/%s", fwname);
+               ret = request_firmware(&fw, f, nv_device_base(device));
+               if (ret) {
+                       nv_error(priv, "failed to load %s\n", fwname);
+                       return ret;
+               }
+       }
+
+       fuc->size = fw->size;
+       fuc->data = kmemdup(fw->data, fuc->size, GFP_KERNEL);
+       release_firmware(fw);
+       return (fuc->data != NULL) ? 0 : -ENOMEM;
+}
+
+void
+gf100_gr_dtor(struct nvkm_object *object)
+{
+       struct gf100_gr_priv *priv = (void *)object;
+
+       kfree(priv->data);
+
+       gf100_gr_dtor_fw(&priv->fuc409c);
+       gf100_gr_dtor_fw(&priv->fuc409d);
+       gf100_gr_dtor_fw(&priv->fuc41ac);
+       gf100_gr_dtor_fw(&priv->fuc41ad);
+
+       nvkm_gpuobj_ref(NULL, &priv->unk4188b8);
+       nvkm_gpuobj_ref(NULL, &priv->unk4188b4);
+
+       nvkm_gr_destroy(&priv->base);
+}
+
+int
+gf100_gr_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+             struct nvkm_oclass *bclass, void *data, u32 size,
+             struct nvkm_object **pobject)
+{
+       struct gf100_gr_oclass *oclass = (void *)bclass;
+       struct nvkm_device *device = nv_device(parent);
+       struct gf100_gr_priv *priv;
+       bool use_ext_fw, enable;
+       int ret, i, j;
+
+       use_ext_fw = nvkm_boolopt(device->cfgopt, "NvGrUseFW",
+                                 oclass->fecs.ucode == NULL);
+       enable = use_ext_fw || oclass->fecs.ucode != NULL;
+
+       ret = nvkm_gr_create(parent, engine, bclass, enable, &priv);
+       *pobject = nv_object(priv);
+       if (ret)
+               return ret;
+
+       nv_subdev(priv)->unit = 0x08001000;
+       nv_subdev(priv)->intr = gf100_gr_intr;
+
+       priv->base.units = gf100_gr_units;
+
+       if (use_ext_fw) {
+               nv_info(priv, "using external firmware\n");
+               if (gf100_gr_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
+                   gf100_gr_ctor_fw(priv, "fuc409d", &priv->fuc409d) ||
+                   gf100_gr_ctor_fw(priv, "fuc41ac", &priv->fuc41ac) ||
+                   gf100_gr_ctor_fw(priv, "fuc41ad", &priv->fuc41ad))
+                       return -ENODEV;
+               priv->firmware = true;
+       }
+
+       ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 256, 0,
+                             &priv->unk4188b4);
+       if (ret)
+               return ret;
+
+       ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 256, 0,
+                             &priv->unk4188b8);
+       if (ret)
+               return ret;
+
+       for (i = 0; i < 0x1000; i += 4) {
+               nv_wo32(priv->unk4188b4, i, 0x00000010);
+               nv_wo32(priv->unk4188b8, i, 0x00000010);
+       }
+
+       priv->rop_nr = (nv_rd32(priv, 0x409604) & 0x001f0000) >> 16;
+       priv->gpc_nr =  nv_rd32(priv, 0x409604) & 0x0000001f;
+       for (i = 0; i < priv->gpc_nr; i++) {
+               priv->tpc_nr[i]  = nv_rd32(priv, GPC_UNIT(i, 0x2608));
+               priv->tpc_total += priv->tpc_nr[i];
+               priv->ppc_nr[i]  = oclass->ppc_nr;
+               for (j = 0; j < priv->ppc_nr[i]; j++) {
+                       u8 mask = nv_rd32(priv, GPC_UNIT(i, 0x0c30 + (j * 4)));
+                       priv->ppc_tpc_nr[i][j] = hweight8(mask);
+               }
+       }
+
+       /*XXX: these need figuring out... though it might not even matter */
+       switch (nv_device(priv)->chipset) {
+       case 0xc0:
+               if (priv->tpc_total == 11) { /* 465, 3/4/4/0, 4 */
+                       priv->magic_not_rop_nr = 0x07;
+               } else
+               if (priv->tpc_total == 14) { /* 470, 3/3/4/4, 5 */
+                       priv->magic_not_rop_nr = 0x05;
+               } else
+               if (priv->tpc_total == 15) { /* 480, 3/4/4/4, 6 */
+                       priv->magic_not_rop_nr = 0x06;
+               }
+               break;
+       case 0xc3: /* 450, 4/0/0/0, 2 */
+               priv->magic_not_rop_nr = 0x03;
+               break;
+       case 0xc4: /* 460, 3/4/0/0, 4 */
+               priv->magic_not_rop_nr = 0x01;
+               break;
+       case 0xc1: /* 2/0/0/0, 1 */
+               priv->magic_not_rop_nr = 0x01;
+               break;
+       case 0xc8: /* 4/4/3/4, 5 */
+               priv->magic_not_rop_nr = 0x06;
+               break;
+       case 0xce: /* 4/4/0/0, 4 */
+               priv->magic_not_rop_nr = 0x03;
+               break;
+       case 0xcf: /* 4/0/0/0, 3 */
+               priv->magic_not_rop_nr = 0x03;
+               break;
+       case 0xd7:
+       case 0xd9: /* 1/0/0/0, 1 */
+               priv->magic_not_rop_nr = 0x01;
+               break;
+       }
+
+       nv_engine(priv)->cclass = *oclass->cclass;
+       nv_engine(priv)->sclass =  oclass->sclass;
+       return 0;
+}
+
+#include "fuc/hubgf100.fuc3.h"
+
+struct gf100_gr_ucode
+gf100_gr_fecs_ucode = {
+       .code.data = gf100_grhub_code,
+       .code.size = sizeof(gf100_grhub_code),
+       .data.data = gf100_grhub_data,
+       .data.size = sizeof(gf100_grhub_data),
+};
+
+#include "fuc/gpcgf100.fuc3.h"
+
+struct gf100_gr_ucode
+gf100_gr_gpccs_ucode = {
+       .code.data = gf100_grgpc_code,
+       .code.size = sizeof(gf100_grgpc_code),
+       .data.data = gf100_grgpc_data,
+       .data.size = sizeof(gf100_grgpc_data),
+};
+
+struct nvkm_oclass *
+gf100_gr_oclass = &(struct gf100_gr_oclass) {
+       .base.handle = NV_ENGINE(GR, 0xc0),
+       .base.ofuncs = &(struct nvkm_ofuncs) {
+               .ctor = gf100_gr_ctor,
+               .dtor = gf100_gr_dtor,
+               .init = gf100_gr_init,
+               .fini = _nvkm_gr_fini,
+       },
+       .cclass = &gf100_grctx_oclass,
+       .sclass =  gf100_gr_sclass,
+       .mmio = gf100_gr_pack_mmio,
+       .fecs.ucode = &gf100_gr_fecs_ucode,
+       .gpccs.ucode = &gf100_gr_gpccs_ucode,
+}.base;