Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 Ben Skeggs. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice (including the |
| 14 | * next paragraph) shall be included in all copies or substantial |
| 15 | * portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | #ifndef __NOUVEAU_DMA_H__ |
| 28 | #define __NOUVEAU_DMA_H__ |
| 29 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 30 | #include "nouveau_bo.h" |
| 31 | #include "nouveau_chan.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 32 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 33 | int nouveau_dma_wait(struct nouveau_channel *, int slots, int size); |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 34 | void nv50_dma_push(struct nouveau_channel *, struct nouveau_bo *, |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 35 | int delta, int length); |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 36 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 37 | /* |
| 38 | * There's a hw race condition where you can't jump to your PUT offset, |
| 39 | * to avoid this we jump to offset + SKIPS and fill the difference with |
| 40 | * NOPs. |
| 41 | * |
| 42 | * xf86-video-nv configures the DMA fetch size to 32 bytes, and uses |
| 43 | * a SKIPS value of 8. Lets assume that the race condition is to do |
| 44 | * with writing into the fetch area, we configure a fetch size of 128 |
| 45 | * bytes so we need a larger SKIPS value. |
| 46 | */ |
| 47 | #define NOUVEAU_DMA_SKIPS (128 / 4) |
| 48 | |
| 49 | /* Hardcoded object assignments to subchannels (subchannel id). */ |
| 50 | enum { |
Ben Skeggs | d1b167e | 2012-05-04 14:01:52 +1000 | [diff] [blame] | 51 | NvSubCtxSurf2D = 0, |
Ben Skeggs | acde2d8 | 2012-03-29 20:21:32 +1000 | [diff] [blame] | 52 | NvSubSw = 1, |
Ben Skeggs | d1b167e | 2012-05-04 14:01:52 +1000 | [diff] [blame] | 53 | NvSubImageBlit = 2, |
Francisco Jerez | f03a314 | 2009-12-26 02:42:45 +0100 | [diff] [blame] | 54 | NvSubGdiRect = 3, |
Ben Skeggs | 1e303c0 | 2013-11-13 10:49:46 +1000 | [diff] [blame] | 55 | |
| 56 | NvSub2D = 3, /* DO NOT CHANGE - hardcoded for kepler gr fifo */ |
| 57 | NvSubCopy = 4, /* DO NOT CHANGE - hardcoded for kepler gr fifo */ |
| 58 | FermiSw = 5, /* DO NOT CHANGE (well.. 6/7 will work...) */ |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 59 | }; |
| 60 | |
Ben Skeggs | f45f55c | 2014-08-10 04:10:23 +1000 | [diff] [blame] | 61 | /* Object handles - for stuff that's doesn't use handle == oclass. */ |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 62 | enum { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 63 | NvDmaFB = 0x80000002, |
| 64 | NvDmaTT = 0x80000003, |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 65 | NvNotify0 = 0x80000006, |
Francisco Jerez | 0c6c1c2 | 2010-09-22 00:58:54 +0200 | [diff] [blame] | 66 | NvSema = 0x8000000f, |
Ben Skeggs | cdccc70 | 2011-02-07 13:29:23 +1000 | [diff] [blame] | 67 | NvEvoSema0 = 0x80000010, |
| 68 | NvEvoSema1 = 0x80000011, |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | #define NV_MEMORY_TO_MEMORY_FORMAT 0x00000039 |
| 72 | #define NV_MEMORY_TO_MEMORY_FORMAT_NAME 0x00000000 |
| 73 | #define NV_MEMORY_TO_MEMORY_FORMAT_SET_REF 0x00000050 |
| 74 | #define NV_MEMORY_TO_MEMORY_FORMAT_NOP 0x00000100 |
| 75 | #define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY 0x00000104 |
| 76 | #define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY_STYLE_WRITE 0x00000000 |
| 77 | #define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY_STYLE_WRITE_LE_AWAKEN 0x00000001 |
| 78 | #define NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY 0x00000180 |
| 79 | #define NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE 0x00000184 |
| 80 | #define NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN 0x0000030c |
| 81 | |
| 82 | #define NV50_MEMORY_TO_MEMORY_FORMAT 0x00005039 |
| 83 | #define NV50_MEMORY_TO_MEMORY_FORMAT_UNK200 0x00000200 |
| 84 | #define NV50_MEMORY_TO_MEMORY_FORMAT_UNK21C 0x0000021c |
| 85 | #define NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN_HIGH 0x00000238 |
| 86 | #define NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_OUT_HIGH 0x0000023c |
| 87 | |
| 88 | static __must_check inline int |
| 89 | RING_SPACE(struct nouveau_channel *chan, int size) |
| 90 | { |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 91 | int ret; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 92 | |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 93 | ret = nouveau_dma_wait(chan, 1, size); |
| 94 | if (ret) |
| 95 | return ret; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 96 | |
| 97 | chan->dma.free -= size; |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | static inline void |
| 102 | OUT_RING(struct nouveau_channel *chan, int data) |
| 103 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 104 | nouveau_bo_wr32(chan->push.buffer, chan->dma.cur++, data); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | extern void |
| 108 | OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords); |
| 109 | |
| 110 | static inline void |
Ben Skeggs | 6d59702 | 2012-04-01 21:09:13 +1000 | [diff] [blame] | 111 | BEGIN_NV04(struct nouveau_channel *chan, int subc, int mthd, int size) |
Ben Skeggs | 9654529 | 2010-11-24 10:26:24 +1000 | [diff] [blame] | 112 | { |
Ben Skeggs | 6d59702 | 2012-04-01 21:09:13 +1000 | [diff] [blame] | 113 | OUT_RING(chan, 0x00000000 | (subc << 13) | (size << 18) | mthd); |
Ben Skeggs | 9654529 | 2010-11-24 10:26:24 +1000 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | static inline void |
Ben Skeggs | 6d59702 | 2012-04-01 21:09:13 +1000 | [diff] [blame] | 117 | BEGIN_NI04(struct nouveau_channel *chan, int subc, int mthd, int size) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 118 | { |
Ben Skeggs | 6d59702 | 2012-04-01 21:09:13 +1000 | [diff] [blame] | 119 | OUT_RING(chan, 0x40000000 | (subc << 13) | (size << 18) | mthd); |
| 120 | } |
| 121 | |
| 122 | static inline void |
| 123 | BEGIN_NVC0(struct nouveau_channel *chan, int subc, int mthd, int size) |
| 124 | { |
| 125 | OUT_RING(chan, 0x20000000 | (size << 16) | (subc << 13) | (mthd >> 2)); |
| 126 | } |
| 127 | |
| 128 | static inline void |
| 129 | BEGIN_NIC0(struct nouveau_channel *chan, int subc, int mthd, int size) |
| 130 | { |
| 131 | OUT_RING(chan, 0x60000000 | (size << 16) | (subc << 13) | (mthd >> 2)); |
| 132 | } |
| 133 | |
| 134 | static inline void |
| 135 | BEGIN_IMC0(struct nouveau_channel *chan, int subc, int mthd, u16 data) |
| 136 | { |
| 137 | OUT_RING(chan, 0x80000000 | (data << 16) | (subc << 13) | (mthd >> 2)); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | #define WRITE_PUT(val) do { \ |
Daniel Vetter | 85b2331 | 2013-12-11 11:34:45 +0100 | [diff] [blame] | 141 | mb(); \ |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 142 | nouveau_bo_rd32(chan->push.buffer, 0); \ |
Ben Skeggs | a01ca78 | 2015-08-20 14:54:15 +1000 | [diff] [blame] | 143 | nvif_wr32(&chan->user, chan->user_put, ((val) << 2) + chan->push.vma.offset); \ |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 144 | } while (0) |
| 145 | |
| 146 | static inline void |
| 147 | FIRE_RING(struct nouveau_channel *chan) |
| 148 | { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 149 | if (chan->dma.cur == chan->dma.put) |
| 150 | return; |
| 151 | chan->accel_done = true; |
| 152 | |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 153 | if (chan->dma.ib_max) { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 154 | nv50_dma_push(chan, chan->push.buffer, chan->dma.put << 2, |
Ben Skeggs | a1606a9 | 2010-02-12 10:27:35 +1000 | [diff] [blame] | 155 | (chan->dma.cur - chan->dma.put) << 2); |
Ben Skeggs | 9a391ad | 2010-02-11 16:37:26 +1000 | [diff] [blame] | 156 | } else { |
| 157 | WRITE_PUT(chan->dma.cur); |
| 158 | } |
| 159 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 160 | chan->dma.put = chan->dma.cur; |
| 161 | } |
| 162 | |
| 163 | static inline void |
| 164 | WIND_RING(struct nouveau_channel *chan) |
| 165 | { |
| 166 | chan->dma.cur = chan->dma.put; |
| 167 | } |
| 168 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 169 | /* FIFO methods */ |
| 170 | #define NV01_SUBCHAN_OBJECT 0x00000000 |
| 171 | #define NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH 0x00000010 |
| 172 | #define NV84_SUBCHAN_SEMAPHORE_ADDRESS_LOW 0x00000014 |
| 173 | #define NV84_SUBCHAN_SEMAPHORE_SEQUENCE 0x00000018 |
| 174 | #define NV84_SUBCHAN_SEMAPHORE_TRIGGER 0x0000001c |
| 175 | #define NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL 0x00000001 |
| 176 | #define NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG 0x00000002 |
| 177 | #define NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL 0x00000004 |
| 178 | #define NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD 0x00001000 |
Ben Skeggs | e18c080 | 2013-01-31 14:57:33 +1000 | [diff] [blame] | 179 | #define NV84_SUBCHAN_UEVENT 0x00000020 |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 180 | #define NV84_SUBCHAN_WRCACHE_FLUSH 0x00000024 |
| 181 | #define NV10_SUBCHAN_REF_CNT 0x00000050 |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 182 | #define NV11_SUBCHAN_DMA_SEMAPHORE 0x00000060 |
| 183 | #define NV11_SUBCHAN_SEMAPHORE_OFFSET 0x00000064 |
| 184 | #define NV11_SUBCHAN_SEMAPHORE_ACQUIRE 0x00000068 |
| 185 | #define NV11_SUBCHAN_SEMAPHORE_RELEASE 0x0000006c |
| 186 | #define NV40_SUBCHAN_YIELD 0x00000080 |
| 187 | |
| 188 | /* NV_SW object class */ |
| 189 | #define NV_SW_DMA_VBLSEM 0x0000018c |
| 190 | #define NV_SW_VBLSEM_OFFSET 0x00000400 |
| 191 | #define NV_SW_VBLSEM_RELEASE_VALUE 0x00000404 |
| 192 | #define NV_SW_VBLSEM_RELEASE 0x00000408 |
| 193 | #define NV_SW_PAGE_FLIP 0x00000500 |
| 194 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 195 | #endif |