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 "gf100.h" 25 #include "ram.h" 26 27 #include <engine/nvdec.h> 28 29 int gp102_fb_vpr_scrub(struct nvkm_fb * fb)30 gp102_fb_vpr_scrub(struct nvkm_fb *fb) 31 { 32 return nvkm_falcon_fw_boot(&fb->vpr_scrubber, &fb->subdev, true, NULL, NULL, 0, 0x00000000); 33 } 34 35 bool gp102_fb_vpr_scrub_required(struct nvkm_fb * fb)36 gp102_fb_vpr_scrub_required(struct nvkm_fb *fb) 37 { 38 struct nvkm_device *device = fb->subdev.device; 39 nvkm_wr32(device, 0x100cd0, 0x2); 40 return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0; 41 } 42 43 u64 gp102_fb_vidmem_size(struct nvkm_fb * fb)44 gp102_fb_vidmem_size(struct nvkm_fb *fb) 45 { 46 const u32 data = nvkm_rd32(fb->subdev.device, 0x100ce0); 47 const u32 lmag = (data & 0x000003f0) >> 4; 48 const u32 lsca = (data & 0x0000000f); 49 const u64 size = (u64)lmag << (lsca + 20); 50 51 if (data & 0x40000000) 52 return size / 16 * 15; 53 54 return size; 55 } 56 57 int gp102_fb_oneinit(struct nvkm_fb * fb)58 gp102_fb_oneinit(struct nvkm_fb *fb) 59 { 60 struct nvkm_subdev *subdev = &fb->subdev; 61 62 nvkm_falcon_fw_ctor_hs(&gm200_flcn_fw, "mem-unlock", subdev, NULL, "nvdec/scrubber", 63 0, &subdev->device->nvdec[0]->falcon, &fb->vpr_scrubber); 64 65 return gf100_fb_oneinit(fb); 66 } 67 68 static const struct nvkm_fb_func 69 gp102_fb = { 70 .dtor = gf100_fb_dtor, 71 .oneinit = gp102_fb_oneinit, 72 .init = gm200_fb_init, 73 .init_remapper = gp100_fb_init_remapper, 74 .init_page = gm200_fb_init_page, 75 .sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init, 76 .vidmem.size = gp102_fb_vidmem_size, 77 .vpr.scrub_required = gp102_fb_vpr_scrub_required, 78 .vpr.scrub = gp102_fb_vpr_scrub, 79 .ram_new = gp102_ram_new, 80 }; 81 82 int gp102_fb_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)83 gp102_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) 84 { 85 return gf100_fb_new_(&gp102_fb, device, type, inst, pfb); 86 } 87 88 MODULE_FIRMWARE("nvidia/gp102/nvdec/scrubber.bin"); 89 MODULE_FIRMWARE("nvidia/gp104/nvdec/scrubber.bin"); 90 MODULE_FIRMWARE("nvidia/gp106/nvdec/scrubber.bin"); 91 MODULE_FIRMWARE("nvidia/gp107/nvdec/scrubber.bin"); 92 MODULE_FIRMWARE("nvidia/gp108/nvdec/scrubber.bin"); 93