98 lines
4.9 KiB
C
98 lines
4.9 KiB
C
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/*
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* Copyright (C) 2007 Ben Skeggs.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __NOUVEAU_DMA_H__
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#define __NOUVEAU_DMA_H__
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typedef enum {
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NvSubM2MF = 0,
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} nouveau_subchannel_id_t;
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typedef enum {
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NvM2MF = 0x80039001,
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NvDmaFB = 0x8003d001,
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NvDmaTT = 0x8003d002,
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NvNotify0 = 0x8003d003
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} nouveau_object_handle_t;
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#define NV_MEMORY_TO_MEMORY_FORMAT 0x00000039
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#define NV_MEMORY_TO_MEMORY_FORMAT_NAME 0x00000000
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#define NV_MEMORY_TO_MEMORY_FORMAT_SET_REF 0x00000050
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#define NV_MEMORY_TO_MEMORY_FORMAT_NOP 0x00000100
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#define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY 0x00000104
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#define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY_STYLE_WRITE 0x00000000
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#define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY_STYLE_WRITE_LE_AWAKEN 0x00000001
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#define NV_MEMORY_TO_MEMORY_FORMAT_SET_DMA_NOTIFY 0x00000180
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#define NV_MEMORY_TO_MEMORY_FORMAT_SET_DMA_SOURCE 0x00000184
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#define NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN 0x0000030c
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#define NV50_MEMORY_TO_MEMORY_FORMAT 0x00005039
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#define NV50_MEMORY_TO_MEMORY_FORMAT_UNK200 0x00000200
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#define NV50_MEMORY_TO_MEMORY_FORMAT_UNK21C 0x0000021c
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#define NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN_HIGH 0x00000238
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#define NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_OUT_HIGH 0x0000023c
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#define BEGIN_RING(subc, mthd, cnt) do { \
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int push_size = (cnt) + 1; \
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if (dchan->push_free) { \
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DRM_ERROR("prior packet incomplete: %d\n", dchan->push_free); \
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break; \
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} \
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if (dchan->free < push_size) { \
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if (nouveau_dma_wait(dev, push_size)) { \
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DRM_ERROR("FIFO timeout\n"); \
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break; \
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} \
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} \
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dchan->free -= push_size; \
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dchan->push_free = push_size; \
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OUT_RING(((cnt)<<18) | ((subc)<<15) | mthd); \
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} while(0)
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#define OUT_RING(data) do { \
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if (dchan->push_free == 0) { \
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DRM_ERROR("no space left in packet\n"); \
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break; \
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} \
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dchan->pushbuf[dchan->cur++] = (data); \
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dchan->push_free--; \
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} while(0)
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#define FIRE_RING() do { \
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if (dchan->push_free) { \
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DRM_ERROR("packet incomplete: %d\n", dchan->push_free); \
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break; \
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} \
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if (dchan->cur != dchan->put) { \
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DRM_MEMORYBARRIER(); \
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dchan->put = dchan->cur; \
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NV_WRITE(NV03_FIFO_REGS_DMAPUT(dchan->chan->id), \
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(dchan->put<<2)); \
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} \
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} while(0)
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#endif
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