1 /* 2 * Copyright 2016 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 <bskeggs@redhat.com> 23 */ 24 #include "priv.h" 25 26 static int 27 gm200_pmu_flcn_reset(struct nvkm_falcon *falcon) 28 { 29 struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon); 30 31 nvkm_falcon_wr32(falcon, 0x014, 0x0000ffff); 32 pmu->func->reset(pmu); 33 return nvkm_falcon_enable(falcon); 34 } 35 36 const struct nvkm_falcon_func 37 gm200_pmu_flcn = { 38 .debug = 0xc08, 39 .fbif = 0xe00, 40 .load_imem = nvkm_falcon_v1_load_imem, 41 .load_dmem = nvkm_falcon_v1_load_dmem, 42 .read_dmem = nvkm_falcon_v1_read_dmem, 43 .bind_context = nvkm_falcon_v1_bind_context, 44 .wait_for_halt = nvkm_falcon_v1_wait_for_halt, 45 .clear_interrupt = nvkm_falcon_v1_clear_interrupt, 46 .set_start_addr = nvkm_falcon_v1_set_start_addr, 47 .start = nvkm_falcon_v1_start, 48 .enable = nvkm_falcon_v1_enable, 49 .disable = nvkm_falcon_v1_disable, 50 .reset = gm200_pmu_flcn_reset, 51 .cmdq = { 0x4a0, 0x4b0, 4 }, 52 .msgq = { 0x4c8, 0x4cc, 0 }, 53 }; 54 55 static const struct nvkm_pmu_func 56 gm200_pmu = { 57 .flcn = &gm200_pmu_flcn, 58 .enabled = gf100_pmu_enabled, 59 .reset = gf100_pmu_reset, 60 }; 61 62 63 int 64 gm200_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif) 65 { 66 nvkm_warn(&pmu->subdev, "firmware unavailable\n"); 67 return 0; 68 } 69 70 static const struct nvkm_pmu_fwif 71 gm200_pmu_fwif[] = { 72 { -1, gm200_pmu_nofw, &gm200_pmu }, 73 {} 74 }; 75 76 int 77 gm200_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 78 struct nvkm_pmu **ppmu) 79 { 80 return nvkm_pmu_new_(gm200_pmu_fwif, device, type, inst, ppmu); 81 } 82