1 /* 2 * Copyright 2021 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 "priv.h" 23 24 #include <subdev/gsp.h> 25 26 #include <nvif/class.h> 27 28 static const struct nvkm_engine_func 29 ga102_nvdec_gsp = { 30 .sclass = { 31 { -1, -1, NVC7B0_VIDEO_DECODER }, 32 {} 33 } 34 }; 35 36 static const struct nvkm_falcon_func 37 ga102_nvdec_flcn = { 38 .disable = gm200_flcn_disable, 39 .enable = gm200_flcn_enable, 40 .addr2 = 0x1c00, 41 .reset_pmc = true, 42 .reset_prep = ga102_flcn_reset_prep, 43 .reset_wait_mem_scrubbing = ga102_flcn_reset_wait_mem_scrubbing, 44 .imem_dma = &ga102_flcn_dma, 45 .dmem_dma = &ga102_flcn_dma, 46 }; 47 48 static const struct nvkm_nvdec_func 49 ga102_nvdec = { 50 .flcn = &ga102_nvdec_flcn, 51 }; 52 53 static int 54 ga102_nvdec_nofw(struct nvkm_nvdec *nvdec, int ver, const struct nvkm_nvdec_fwif *fwif) 55 { 56 return 0; 57 } 58 59 static const struct nvkm_nvdec_fwif 60 ga102_nvdec_fwif[] = { 61 { -1, ga102_nvdec_nofw, &ga102_nvdec }, 62 {} 63 }; 64 65 int 66 ga102_nvdec_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 67 struct nvkm_nvdec **pnvdec) 68 { 69 if (nvkm_gsp_rm(device->gsp)) 70 return r535_nvdec_new(&ga102_nvdec_gsp, device, type, inst, pnvdec); 71 72 return nvkm_nvdec_new_(ga102_nvdec_fwif, device, type, inst, 0x848000, pnvdec); 73 } 74