diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo9039.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo9039.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo9039.c b/drivers/gpu/drm/nouveau/nouveau_bo9039.c new file mode 100644 index 000000000000..52fefb37064c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_bo9039.c @@ -0,0 +1,98 @@ +/* + * 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_mem.h" + +#include <nvif/push906f.h> + +#include <nvhw/class/cl9039.h> + +int +nvc0_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; + struct nouveau_mem *mem = nouveau_mem(old_reg); + u64 src_offset = mem->vma[0].addr; + u64 dst_offset = mem->vma[1].addr; + u32 page_count = new_reg->num_pages; + int ret; + + page_count = new_reg->num_pages; + while (page_count) { + int line_count = (page_count > 2047) ? 2047 : page_count; + + ret = PUSH_WAIT(push, 12); + if (ret) + return ret; + + PUSH_MTHD(push, NV9039, OFFSET_OUT_UPPER, + NVVAL(NV9039, OFFSET_OUT_UPPER, VALUE, upper_32_bits(dst_offset)), + + OFFSET_OUT, lower_32_bits(dst_offset)); + + PUSH_MTHD(push, NV9039, OFFSET_IN_UPPER, + NVVAL(NV9039, OFFSET_IN_UPPER, VALUE, upper_32_bits(src_offset)), + + OFFSET_IN, lower_32_bits(src_offset), + PITCH_IN, PAGE_SIZE, + PITCH_OUT, PAGE_SIZE, + LINE_LENGTH_IN, PAGE_SIZE, + LINE_COUNT, line_count); + + PUSH_MTHD(push, NV9039, LAUNCH_DMA, + NVDEF(NV9039, LAUNCH_DMA, SRC_INLINE, FALSE) | + NVDEF(NV9039, LAUNCH_DMA, SRC_MEMORY_LAYOUT, PITCH) | + NVDEF(NV9039, LAUNCH_DMA, DST_MEMORY_LAYOUT, PITCH) | + NVDEF(NV9039, LAUNCH_DMA, COMPLETION_TYPE, FLUSH_DISABLE) | + NVDEF(NV9039, LAUNCH_DMA, INTERRUPT_TYPE, NONE) | + NVDEF(NV9039, LAUNCH_DMA, SEMAPHORE_STRUCT_SIZE, ONE_WORD)); + + page_count -= line_count; + src_offset += (PAGE_SIZE * line_count); + dst_offset += (PAGE_SIZE * line_count); + } + + return 0; +} + +int +nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle) +{ + struct nvif_push *push = chan->chan.push; + int ret; + + ret = PUSH_WAIT(push, 2); + if (ret) + return ret; + + PUSH_MTHD(push, NV9039, SET_OBJECT, handle); + return 0; +} |