nv40.c (4321B)
1/* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24#include "nv04.h" 25#include "channv04.h" 26#include "regsnv04.h" 27 28#include <core/ramht.h> 29#include <subdev/fb.h> 30#include <subdev/instmem.h> 31 32static const struct nv04_fifo_ramfc 33nv40_fifo_ramfc[] = { 34 { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, 35 { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, 36 { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT }, 37 { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, 38 { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, 39 { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_STATE }, 40 { 28, 0, 0x18, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, 41 { 2, 28, 0x18, 28, 0x002058 }, 42 { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_ENGINE }, 43 { 32, 0, 0x20, 0, NV04_PFIFO_CACHE1_PULL1 }, 44 { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE }, 45 { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP }, 46 { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT }, 47 { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_SEMAPHORE }, 48 { 32, 0, 0x34, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE }, 49 { 32, 0, 0x38, 0, NV40_PFIFO_GRCTX_INSTANCE }, 50 { 17, 0, 0x3c, 0, NV04_PFIFO_DMA_TIMESLICE }, 51 { 32, 0, 0x40, 0, 0x0032e4 }, 52 { 32, 0, 0x44, 0, 0x0032e8 }, 53 { 32, 0, 0x4c, 0, 0x002088 }, 54 { 32, 0, 0x50, 0, 0x003300 }, 55 { 32, 0, 0x54, 0, 0x00330c }, 56 {} 57}; 58 59static void 60nv40_fifo_init(struct nvkm_fifo *base) 61{ 62 struct nv04_fifo *fifo = nv04_fifo(base); 63 struct nvkm_device *device = fifo->base.engine.subdev.device; 64 struct nvkm_fb *fb = device->fb; 65 struct nvkm_instmem *imem = device->imem; 66 struct nvkm_ramht *ramht = imem->ramht; 67 struct nvkm_memory *ramro = imem->ramro; 68 struct nvkm_memory *ramfc = imem->ramfc; 69 70 nvkm_wr32(device, 0x002040, 0x000000ff); 71 nvkm_wr32(device, 0x002044, 0x2101ffff); 72 nvkm_wr32(device, 0x002058, 0x00000001); 73 74 nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | 75 ((ramht->bits - 9) << 16) | 76 (ramht->gpuobj->addr >> 8)); 77 nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8); 78 79 switch (device->chipset) { 80 case 0x47: 81 case 0x49: 82 case 0x4b: 83 nvkm_wr32(device, 0x002230, 0x00000001); 84 fallthrough; 85 case 0x40: 86 case 0x41: 87 case 0x42: 88 case 0x43: 89 case 0x45: 90 case 0x48: 91 nvkm_wr32(device, 0x002220, 0x00030002); 92 break; 93 default: 94 nvkm_wr32(device, 0x002230, 0x00000000); 95 nvkm_wr32(device, 0x002220, ((fb->ram->size - 512 * 1024 + 96 nvkm_memory_addr(ramfc)) >> 16) | 97 0x00030000); 98 break; 99 } 100 101 nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.nr - 1); 102 103 nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff); 104 nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff); 105 106 nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1); 107 nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1); 108 nvkm_wr32(device, NV03_PFIFO_CACHES, 1); 109} 110 111static const struct nvkm_fifo_func 112nv40_fifo = { 113 .init = nv40_fifo_init, 114 .intr = nv04_fifo_intr, 115 .engine_id = nv04_fifo_engine_id, 116 .id_engine = nv04_fifo_id_engine, 117 .pause = nv04_fifo_pause, 118 .start = nv04_fifo_start, 119 .chan = { 120 &nv40_fifo_dma_oclass, 121 NULL 122 }, 123}; 124 125int 126nv40_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 127 struct nvkm_fifo **pfifo) 128{ 129 return nv04_fifo_new_(&nv40_fifo, device, type, inst, 32, nv40_fifo_ramfc, pfifo); 130}