1 /* 2 * Copyright 2017 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 #include "gf100.h" 23 24 #include <subdev/timer.h> 25 26 void 27 gm107_bar_bar1_wait(struct nvkm_bar *bar) 28 { 29 struct nvkm_device *device = bar->subdev.device; 30 nvkm_msec(device, 2000, 31 if (!(nvkm_rd32(device, 0x001710) & 0x00000003)) 32 break; 33 ); 34 } 35 36 static void 37 gm107_bar_bar2_wait(struct nvkm_bar *bar) 38 { 39 struct nvkm_device *device = bar->subdev.device; 40 nvkm_msec(device, 2000, 41 if (!(nvkm_rd32(device, 0x001710) & 0x0000000c)) 42 break; 43 ); 44 } 45 46 static const struct nvkm_bar_func 47 gm107_bar_func = { 48 .dtor = gf100_bar_dtor, 49 .oneinit = gf100_bar_oneinit, 50 .bar1.init = gf100_bar_bar1_init, 51 .bar1.fini = gf100_bar_bar1_fini, 52 .bar1.wait = gm107_bar_bar1_wait, 53 .bar1.vmm = gf100_bar_bar1_vmm, 54 .bar2.init = gf100_bar_bar2_init, 55 .bar2.fini = gf100_bar_bar2_fini, 56 .bar2.wait = gm107_bar_bar2_wait, 57 .bar2.vmm = gf100_bar_bar2_vmm, 58 .flush = g84_bar_flush, 59 }; 60 61 int 62 gm107_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 63 struct nvkm_bar **pbar) 64 { 65 return gf100_bar_new_(&gm107_bar_func, device, type, inst, pbar); 66 } 67