Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ben Skeggs | 369 | 99.73% | 16 | 94.12% |
Wambui Karuga | 1 | 0.27% | 1 | 5.88% |
Total | 370 | 17 |
/* * Copyright 2013 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include "ram.h" #include <subdev/bios.h> #include <subdev/bios/init.h> #include <subdev/bios/rammap.h> int gp100_ram_init(struct nvkm_ram *ram) { struct nvkm_subdev *subdev = &ram->fb->subdev; struct nvkm_device *device = subdev->device; struct nvkm_bios *bios = device->bios; u8 ver, hdr, cnt, len, snr, ssz; u32 data; int i; /* run a bunch of tables from rammap table. there's actually * individual pointers for each rammap entry too, but, nvidia * seem to just run the last two entries' scripts early on in * their init, and never again.. we'll just run 'em all once * for now. * * i strongly suspect that each script is for a separate mode * (likely selected by 0x9a065c's lower bits?), and the * binary driver skips the one that's already been setup by * the init tables. */ data = nvbios_rammapTe(bios, &ver, &hdr, &cnt, &len, &snr, &ssz); if (!data || hdr < 0x15) return -EINVAL; cnt = nvbios_rd08(bios, data + 0x14); /* guess at count */ data = nvbios_rd32(bios, data + 0x10); /* guess u32... */ if (cnt) { u32 save = nvkm_rd32(device, 0x9a065c) & 0x000000f0; for (i = 0; i < cnt; i++, data += 4) { if (i != save >> 4) { nvkm_mask(device, 0x9a065c, 0x000000f0, i << 4); nvbios_init(subdev, nvbios_rd32(bios, data)); } } nvkm_mask(device, 0x9a065c, 0x000000f0, save); } nvkm_mask(device, 0x9a0584, 0x11000000, 0x00000000); nvkm_wr32(device, 0x10ecc0, 0xffffffff); nvkm_mask(device, 0x9a0160, 0x00000010, 0x00000010); return 0; } static u32 gp100_ram_probe_fbpa(struct nvkm_device *device, int fbpa) { return nvkm_rd32(device, 0x90020c + (fbpa * 0x4000)); } static const struct nvkm_ram_func gp100_ram = { .upper = 0x1000000000ULL, .probe_fbp = gm107_ram_probe_fbp, .probe_fbp_amount = gm200_ram_probe_fbp_amount, .probe_fbpa_amount = gp100_ram_probe_fbpa, .init = gp100_ram_init, }; int gp100_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) { struct nvkm_ram *ram; if (!(ram = *pram = kzalloc(sizeof(*ram), GFP_KERNEL))) return -ENOMEM; return gf100_ram_ctor(&gp100_ram, fb, ram); }
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