/* * Copyright 2007 Dave Airlied * All Rights Reserved. * * 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 (including the next * paragraph) 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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: Dave Airlied <airlied@linux.ie> * Ben Skeggs <darktama@iinet.net.au> * Jeremy Kolb <jkolb@brandeis.edu> */ #include "nouveau_bo.h" #include "nouveau_dma.h" #include "nouveau_drv.h" #include <nvif/push006c.h> #include <nvhw/class/cl0039.h> static inline uint32_t nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo, struct nouveau_channel *chan, struct ttm_resource *reg) { if (reg->mem_type == TTM_PL_TT) return NvDmaTT; return chan->vram.handle; } int nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, struct ttm_resource *old_reg, struct ttm_resource *new_reg) { struct nvif_push *push = chan->chan.push; u32 src_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, old_reg); u32 src_offset = old_reg->start << PAGE_SHIFT; u32 dst_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, new_reg); u32 dst_offset = new_reg->start << PAGE_SHIFT; u32 page_count = PFN_UP(new_reg->size); int ret; ret = PUSH_WAIT(push, 3); if (ret) return ret; PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_BUFFER_IN, src_ctxdma, SET_CONTEXT_DMA_BUFFER_OUT, dst_ctxdma); page_count = PFN_UP(new_reg->size); while (page_count) { int line_count = (page_count > 2047) ? 2047 : page_count; ret = PUSH_WAIT(push, 11); if (ret) return ret; PUSH_MTHD(push, NV039, OFFSET_IN, src_offset, OFFSET_OUT, dst_offset, PITCH_IN, PAGE_SIZE, PITCH_OUT, PAGE_SIZE, LINE_LENGTH_IN, PAGE_SIZE, LINE_COUNT, line_count, FORMAT, NVVAL(NV039, FORMAT, IN, 1) | NVVAL(NV039, FORMAT, OUT, 1), BUFFER_NOTIFY, NV039_BUFFER_NOTIFY_WRITE_ONLY); PUSH_MTHD(push, NV039, NO_OPERATION, 0x00000000); page_count -= line_count; src_offset += (PAGE_SIZE * line_count); dst_offset += (PAGE_SIZE * line_count); } return 0; } int nv04_bo_move_init(struct nouveau_channel *chan, u32 handle) { struct nvif_push *push = chan->chan.push; int ret; ret = PUSH_WAIT(push, 4); if (ret) return ret; PUSH_MTHD(push, NV039, SET_OBJECT, handle); PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_NOTIFIES, chan->drm->ntfy.handle); return 0; }