| /* |
| * 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 <subdev/fb.h> |
| #include <subdev/vm.h> |
| |
| #include <engine/fifo.h> |
| #include <engine/copy.h> |
| |
| #include "fuc/nva3.fuc.h" |
| |
| struct nva3_copy_priv { |
| struct nouveau_copy base; |
| }; |
| |
| struct nva3_copy_chan { |
| struct nouveau_copy_chan base; |
| }; |
| |
| /******************************************************************************* |
| * Copy object classes |
| ******************************************************************************/ |
| |
| static struct nouveau_oclass |
| nva3_copy_sclass[] = { |
| { 0x85b5, &nouveau_object_ofuncs }, |
| {} |
| }; |
| |
| /******************************************************************************* |
| * PCOPY context |
| ******************************************************************************/ |
| |
| static int |
| nva3_copy_context_ctor(struct nouveau_object *parent, |
| struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nva3_copy_chan *priv; |
| int ret; |
| |
| ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256, 0, |
| NVOBJ_FLAG_ZERO_ALLOC, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static struct nouveau_oclass |
| nva3_copy_cclass = { |
| .handle = NV_ENGCTX(COPY0, 0xa3), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nva3_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, |
| |
| }, |
| }; |
| |
| /******************************************************************************* |
| * PCOPY engine/subdev functions |
| ******************************************************************************/ |
| |
| static const struct nouveau_enum nva3_copy_isr_error_name[] = { |
| { 0x0001, "ILLEGAL_MTHD" }, |
| { 0x0002, "INVALID_ENUM" }, |
| { 0x0003, "INVALID_BITFIELD" }, |
| {} |
| }; |
| |
| static void |
| nva3_copy_intr(struct nouveau_subdev *subdev) |
| { |
| struct nouveau_fifo *pfifo = nouveau_fifo(subdev); |
| struct nouveau_engine *engine = nv_engine(subdev); |
| struct nouveau_object *engctx; |
| struct nva3_copy_priv *priv = (void *)subdev; |
| u32 dispatch = nv_rd32(priv, 0x10401c); |
| u32 stat = nv_rd32(priv, 0x104008) & dispatch & ~(dispatch >> 16); |
| u64 inst = nv_rd32(priv, 0x104050) & 0x3fffffff; |
| u32 ssta = nv_rd32(priv, 0x104040) & 0x0000ffff; |
| u32 addr = nv_rd32(priv, 0x104040) >> 16; |
| u32 mthd = (addr & 0x07ff) << 2; |
| u32 subc = (addr & 0x3800) >> 11; |
| u32 data = nv_rd32(priv, 0x104044); |
| int chid; |
| |
| engctx = nouveau_engctx_get(engine, inst); |
| chid = pfifo->chid(pfifo, engctx); |
| |
| if (stat & 0x00000040) { |
| nv_error(priv, "DISPATCH_ERROR ["); |
| nouveau_enum_print(nva3_copy_isr_error_name, ssta); |
| printk("] ch %d [0x%010llx] subc %d mthd 0x%04x data 0x%08x\n", |
| chid, inst << 12, subc, mthd, data); |
| nv_wr32(priv, 0x104004, 0x00000040); |
| stat &= ~0x00000040; |
| } |
| |
| if (stat) { |
| nv_error(priv, "unhandled intr 0x%08x\n", stat); |
| nv_wr32(priv, 0x104004, stat); |
| } |
| |
| nv50_fb_trap(nouveau_fb(priv), 1); |
| nouveau_engctx_put(engctx); |
| } |
| |
| static int |
| nva3_copy_tlb_flush(struct nouveau_engine *engine) |
| { |
| nv50_vm_flush_engine(&engine->base, 0x0d); |
| return 0; |
| } |
| |
| static int |
| nva3_copy_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| bool enable = (nv_device(parent)->chipset != 0xaf); |
| struct nva3_copy_priv *priv; |
| int ret; |
| |
| ret = nouveau_copy_create(parent, engine, oclass, enable, 0, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| nv_subdev(priv)->unit = 0x00802000; |
| nv_subdev(priv)->intr = nva3_copy_intr; |
| nv_engine(priv)->cclass = &nva3_copy_cclass; |
| nv_engine(priv)->sclass = nva3_copy_sclass; |
| nv_engine(priv)->tlb_flush = nva3_copy_tlb_flush; |
| return 0; |
| } |
| |
| static int |
| nva3_copy_init(struct nouveau_object *object) |
| { |
| struct nva3_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, 0xffffffff); |
| |
| /* upload ucode */ |
| nv_wr32(priv, 0x1041c0, 0x01000000); |
| for (i = 0; i < sizeof(nva3_pcopy_data) / 4; i++) |
| nv_wr32(priv, 0x1041c4, nva3_pcopy_data[i]); |
| |
| nv_wr32(priv, 0x104180, 0x01000000); |
| for (i = 0; i < sizeof(nva3_pcopy_code) / 4; i++) { |
| if ((i & 0x3f) == 0) |
| nv_wr32(priv, 0x104188, i >> 6); |
| nv_wr32(priv, 0x104184, nva3_pcopy_code[i]); |
| } |
| |
| /* start it running */ |
| nv_wr32(priv, 0x10410c, 0x00000000); |
| nv_wr32(priv, 0x104104, 0x00000000); /* ENTRY */ |
| nv_wr32(priv, 0x104100, 0x00000002); /* TRIGGER */ |
| return 0; |
| } |
| |
| static int |
| nva3_copy_fini(struct nouveau_object *object, bool suspend) |
| { |
| struct nva3_copy_priv *priv = (void *)object; |
| |
| nv_mask(priv, 0x104048, 0x00000003, 0x00000000); |
| nv_wr32(priv, 0x104014, 0xffffffff); |
| |
| return nouveau_copy_fini(&priv->base, suspend); |
| } |
| |
| struct nouveau_oclass |
| nva3_copy_oclass = { |
| .handle = NV_ENGINE(COPY0, 0xa3), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nva3_copy_ctor, |
| .dtor = _nouveau_copy_dtor, |
| .init = nva3_copy_init, |
| .fini = nva3_copy_fini, |
| }, |
| }; |