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 "nv50.h" 25 26 #include <subdev/bar.h> 27 28 /******************************************************************************* 29 * software object classes 30 ******************************************************************************/ 31 32 static int 33 gf100_sw_mthd_vblsem_offset(struct nvkm_object *object, u32 mthd, 34 void *args, u32 size) 35 { 36 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 37 u64 data = *(u32 *)args; 38 if (mthd == 0x0400) { 39 chan->vblank.offset &= 0x00ffffffffULL; 40 chan->vblank.offset |= data << 32; 41 } else { 42 chan->vblank.offset &= 0xff00000000ULL; 43 chan->vblank.offset |= data; 44 } 45 return 0; 46 } 47 48 static int 49 gf100_sw_mthd_mp_control(struct nvkm_object *object, u32 mthd, 50 void *args, u32 size) 51 { 52 struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); 53 struct nv50_sw_priv *priv = (void *)nv_object(chan)->engine; 54 u32 data = *(u32 *)args; 55 56 switch (mthd) { 57 case 0x600: 58 nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */ 59 break; 60 case 0x644: 61 if (data & ~0x1ffffe) 62 return -EINVAL; 63 nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */ 64 break; 65 case 0x6ac: 66 nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */ 67 break; 68 default: 69 return -EINVAL; 70 } 71 return 0; 72 } 73 74 static struct nvkm_omthds 75 gf100_sw_omthds[] = { 76 { 0x0400, 0x0400, gf100_sw_mthd_vblsem_offset }, 77 { 0x0404, 0x0404, gf100_sw_mthd_vblsem_offset }, 78 { 0x0408, 0x0408, nv50_sw_mthd_vblsem_value }, 79 { 0x040c, 0x040c, nv50_sw_mthd_vblsem_release }, 80 { 0x0500, 0x0500, nv50_sw_mthd_flip }, 81 { 0x0600, 0x0600, gf100_sw_mthd_mp_control }, 82 { 0x0644, 0x0644, gf100_sw_mthd_mp_control }, 83 { 0x06ac, 0x06ac, gf100_sw_mthd_mp_control }, 84 {} 85 }; 86 87 static struct nvkm_oclass 88 gf100_sw_sclass[] = { 89 { 0x906e, &nvkm_object_ofuncs, gf100_sw_omthds }, 90 {} 91 }; 92 93 /******************************************************************************* 94 * software context 95 ******************************************************************************/ 96 97 static int 98 gf100_sw_vblsem_release(struct nvkm_notify *notify) 99 { 100 struct nv50_sw_chan *chan = 101 container_of(notify, typeof(*chan), vblank.notify[notify->index]); 102 struct nv50_sw_priv *priv = (void *)nv_object(chan)->engine; 103 struct nvkm_bar *bar = nvkm_bar(priv); 104 105 nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); 106 bar->flush(bar); 107 nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset)); 108 nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset)); 109 nv_wr32(priv, 0x060014, chan->vblank.value); 110 111 return NVKM_NOTIFY_DROP; 112 } 113 114 static struct nv50_sw_cclass 115 gf100_sw_cclass = { 116 .base.handle = NV_ENGCTX(SW, 0xc0), 117 .base.ofuncs = &(struct nvkm_ofuncs) { 118 .ctor = nv50_sw_context_ctor, 119 .dtor = nv50_sw_context_dtor, 120 .init = _nvkm_sw_context_init, 121 .fini = _nvkm_sw_context_fini, 122 }, 123 .vblank = gf100_sw_vblsem_release, 124 }; 125 126 /******************************************************************************* 127 * software engine/subdev functions 128 ******************************************************************************/ 129 130 struct nvkm_oclass * 131 gf100_sw_oclass = &(struct nv50_sw_oclass) { 132 .base.handle = NV_ENGINE(SW, 0xc0), 133 .base.ofuncs = &(struct nvkm_ofuncs) { 134 .ctor = nv50_sw_ctor, 135 .dtor = _nvkm_sw_dtor, 136 .init = _nvkm_sw_init, 137 .fini = _nvkm_sw_fini, 138 }, 139 .cclass = &gf100_sw_cclass.base, 140 .sclass = gf100_sw_sclass, 141 }.base; 142