1 /* 2 * Copyright 2007 Dave Airlied 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 /* 25 * Authors: Dave Airlied <airlied@linux.ie> 26 * Ben Skeggs <darktama@iinet.net.au> 27 * Jeremy Kolb <jkolb@brandeis.edu> 28 */ 29 #include "nouveau_bo.h" 30 #include "nouveau_dma.h" 31 #include "nouveau_mem.h" 32 33 #include <nvif/push906f.h> 34 35 #include <nvhw/class/cl9039.h> 36 37 int 38 nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, 39 struct ttm_resource *old_reg, struct ttm_resource *new_reg) 40 { 41 struct nvif_push *push = chan->chan.push; 42 struct nouveau_mem *mem = nouveau_mem(old_reg); 43 u64 src_offset = mem->vma[0].addr; 44 u64 dst_offset = mem->vma[1].addr; 45 u32 page_count = PFN_UP(new_reg->size); 46 int ret; 47 48 page_count = PFN_UP(new_reg->size); 49 while (page_count) { 50 int line_count = (page_count > 2047) ? 2047 : page_count; 51 52 ret = PUSH_WAIT(push, 12); 53 if (ret) 54 return ret; 55 56 PUSH_MTHD(push, NV9039, OFFSET_OUT_UPPER, 57 NVVAL(NV9039, OFFSET_OUT_UPPER, VALUE, upper_32_bits(dst_offset)), 58 59 OFFSET_OUT, lower_32_bits(dst_offset)); 60 61 PUSH_MTHD(push, NV9039, OFFSET_IN_UPPER, 62 NVVAL(NV9039, OFFSET_IN_UPPER, VALUE, upper_32_bits(src_offset)), 63 64 OFFSET_IN, lower_32_bits(src_offset), 65 PITCH_IN, PAGE_SIZE, 66 PITCH_OUT, PAGE_SIZE, 67 LINE_LENGTH_IN, PAGE_SIZE, 68 LINE_COUNT, line_count); 69 70 PUSH_MTHD(push, NV9039, LAUNCH_DMA, 71 NVDEF(NV9039, LAUNCH_DMA, SRC_INLINE, FALSE) | 72 NVDEF(NV9039, LAUNCH_DMA, SRC_MEMORY_LAYOUT, PITCH) | 73 NVDEF(NV9039, LAUNCH_DMA, DST_MEMORY_LAYOUT, PITCH) | 74 NVDEF(NV9039, LAUNCH_DMA, COMPLETION_TYPE, FLUSH_DISABLE) | 75 NVDEF(NV9039, LAUNCH_DMA, INTERRUPT_TYPE, NONE) | 76 NVDEF(NV9039, LAUNCH_DMA, SEMAPHORE_STRUCT_SIZE, ONE_WORD)); 77 78 page_count -= line_count; 79 src_offset += (PAGE_SIZE * line_count); 80 dst_offset += (PAGE_SIZE * line_count); 81 } 82 83 return 0; 84 } 85 86 int 87 nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle) 88 { 89 struct nvif_push *push = chan->chan.push; 90 int ret; 91 92 ret = PUSH_WAIT(push, 2); 93 if (ret) 94 return ret; 95 96 PUSH_MTHD(push, NV9039, SET_OBJECT, handle); 97 return 0; 98 } 99