| /* |
| * 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_mem_reg *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_mem_reg *old_reg, struct ttm_mem_reg *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 = new_reg->num_pages; |
| 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 = new_reg->num_pages; |
| 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; |
| } |