diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c new file mode 100644 index 00000000000..06d4a879105 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c @@ -0,0 +1,265 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <core/os.h> +#include <core/enum.h> +#include <core/class.h> +#include <core/engctx.h> + +#include <engine/fifo.h> +#include <engine/copy.h> + +#include "fuc/nvc0.fuc.h" + +struct nvc0_copy_priv { + struct nouveau_copy base; +}; + +struct nvc0_copy_chan { + struct nouveau_copy_chan base; +}; + +/******************************************************************************* + * Copy object classes + ******************************************************************************/ + +static struct nouveau_oclass +nvc0_copy0_sclass[] = { + { 0x90b5, &nouveau_object_ofuncs }, + {}, +}; + +static struct nouveau_oclass +nvc0_copy1_sclass[] = { + { 0x90b8, &nouveau_object_ofuncs }, + {}, +}; + +/******************************************************************************* + * PCOPY context + ******************************************************************************/ + +static int +nvc0_copy_context_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_copy_chan *priv; + int ret; + + ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256, + 256, NVOBJ_FLAG_ZERO_ALLOC, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + return 0; +} + +static struct nouveau_ofuncs +nvc0_copy_context_ofuncs = { + .ctor = nvc0_copy_context_ctor, + .dtor = _nouveau_copy_context_dtor, + .init = _nouveau_copy_context_init, + .fini = _nouveau_copy_context_fini, + .rd32 = _nouveau_copy_context_rd32, + .wr32 = _nouveau_copy_context_wr32, +}; + +static struct nouveau_oclass +nvc0_copy0_cclass = { + .handle = NV_ENGCTX(COPY0, 0xc0), + .ofuncs = &nvc0_copy_context_ofuncs, +}; + +static struct nouveau_oclass +nvc0_copy1_cclass = { + .handle = NV_ENGCTX(COPY1, 0xc0), + .ofuncs = &nvc0_copy_context_ofuncs, +}; + +/******************************************************************************* + * PCOPY engine/subdev functions + ******************************************************************************/ + +static const struct nouveau_enum nvc0_copy_isr_error_name[] = { + { 0x0001, "ILLEGAL_MTHD" }, + { 0x0002, "INVALID_ENUM" }, + { 0x0003, "INVALID_BITFIELD" }, + {} +}; + +static void +nvc0_copy_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_fifo *pfifo = nouveau_fifo(subdev); + struct nouveau_engine *engine = nv_engine(subdev); + struct nouveau_object *engctx; + int idx = nv_engidx(nv_object(subdev)) - NVDEV_ENGINE_COPY0; + struct nvc0_copy_priv *priv = (void *)subdev; + u32 disp = nv_rd32(priv, 0x10401c + (idx * 0x1000)); + u32 intr = nv_rd32(priv, 0x104008 + (idx * 0x1000)); + u32 stat = intr & disp & ~(disp >> 16); + u64 inst = nv_rd32(priv, 0x104050 + (idx * 0x1000)) & 0x0fffffff; + u32 ssta = nv_rd32(priv, 0x104040 + (idx * 0x1000)) & 0x0000ffff; + u32 addr = nv_rd32(priv, 0x104040 + (idx * 0x1000)) >> 16; + u32 mthd = (addr & 0x07ff) << 2; + u32 subc = (addr & 0x3800) >> 11; + u32 data = nv_rd32(priv, 0x104044 + (idx * 0x1000)); + int chid; + + engctx = nouveau_engctx_get(engine, inst); + chid = pfifo->chid(pfifo, engctx); + + if (stat & 0x00000040) { + nv_error(priv, "DISPATCH_ERROR ["); + nouveau_enum_print(nvc0_copy_isr_error_name, ssta); + printk("] ch %d [0x%010llx] subc %d mthd 0x%04x data 0x%08x\n", + chid, (u64)inst << 12, subc, mthd, data); + nv_wr32(priv, 0x104004 + (idx * 0x1000), 0x00000040); + stat &= ~0x00000040; + } + + if (stat) { + nv_error(priv, "unhandled intr 0x%08x\n", stat); + nv_wr32(priv, 0x104004 + (idx * 0x1000), stat); + } + + nouveau_engctx_put(engctx); +} + +static int +nvc0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_copy_priv *priv; + int ret; + + if (nv_rd32(parent, 0x022500) & 0x00000100) + return -ENODEV; + + ret = nouveau_copy_create(parent, engine, oclass, true, 0, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000040; + nv_subdev(priv)->intr = nvc0_copy_intr; + nv_engine(priv)->cclass = &nvc0_copy0_cclass; + nv_engine(priv)->sclass = nvc0_copy0_sclass; + return 0; +} + +static int +nvc0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_copy_priv *priv; + int ret; + + if (nv_rd32(parent, 0x022500) & 0x00000200) + return -ENODEV; + + ret = nouveau_copy_create(parent, engine, oclass, true, 1, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000080; + nv_subdev(priv)->intr = nvc0_copy_intr; + nv_engine(priv)->cclass = &nvc0_copy1_cclass; + nv_engine(priv)->sclass = nvc0_copy1_sclass; + return 0; +} + +static int +nvc0_copy_init(struct nouveau_object *object) +{ + int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0; + struct nvc0_copy_priv *priv = (void *)object; + int ret, i; + + ret = nouveau_copy_init(&priv->base); + if (ret) + return ret; + + /* disable all interrupts */ + nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff); + + /* upload ucode */ + nv_wr32(priv, 0x1041c0 + (idx * 0x1000), 0x01000000); + for (i = 0; i < sizeof(nvc0_pcopy_data) / 4; i++) + nv_wr32(priv, 0x1041c4 + (idx * 0x1000), nvc0_pcopy_data[i]); + + nv_wr32(priv, 0x104180 + (idx * 0x1000), 0x01000000); + for (i = 0; i < sizeof(nvc0_pcopy_code) / 4; i++) { + if ((i & 0x3f) == 0) + nv_wr32(priv, 0x104188 + (idx * 0x1000), i >> 6); + nv_wr32(priv, 0x104184 + (idx * 0x1000), nvc0_pcopy_code[i]); + } + + /* start it running */ + nv_wr32(priv, 0x104084 + (idx * 0x1000), idx); + nv_wr32(priv, 0x10410c + (idx * 0x1000), 0x00000000); + nv_wr32(priv, 0x104104 + (idx * 0x1000), 0x00000000); /* ENTRY */ + nv_wr32(priv, 0x104100 + (idx * 0x1000), 0x00000002); /* TRIGGER */ + return 0; +} + +static int +nvc0_copy_fini(struct nouveau_object *object, bool suspend) +{ + int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0; + struct nvc0_copy_priv *priv = (void *)object; + + nv_mask(priv, 0x104048 + (idx * 0x1000), 0x00000003, 0x00000000); + nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff); + + return nouveau_copy_fini(&priv->base, suspend); +} + +struct nouveau_oclass +nvc0_copy0_oclass = { + .handle = NV_ENGINE(COPY0, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_copy0_ctor, + .dtor = _nouveau_copy_dtor, + .init = nvc0_copy_init, + .fini = nvc0_copy_fini, + }, +}; + +struct nouveau_oclass +nvc0_copy1_oclass = { + .handle = NV_ENGINE(COPY1, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_copy1_ctor, + .dtor = _nouveau_copy_dtor, + .init = nvc0_copy_init, + .fini = nvc0_copy_fini, + }, +}; |