diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c new file mode 100644 index 000000000000..8591726871ac --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgf119.c @@ -0,0 +1,171 @@ +/* + * Copyright 2012 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 "rootnv50.h" +#include "dmacnv50.h" + +#include <core/client.h> +#include <core/ramht.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +int +gf119_disp_root_scanoutpos(NV50_DISP_MTHD_V0) +{ + struct nvkm_device *device = disp->base.engine.subdev.device; + const u32 total = nvkm_rd32(device, 0x640414 + (head * 0x300)); + const u32 blanke = nvkm_rd32(device, 0x64041c + (head * 0x300)); + const u32 blanks = nvkm_rd32(device, 0x640420 + (head * 0x300)); + union { + struct nv04_disp_scanoutpos_v0 v0; + } *args = data; + int ret; + + nvif_ioctl(object, "disp scanoutpos size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(object, "disp scanoutpos vers %d\n", + args->v0.version); + args->v0.vblanke = (blanke & 0xffff0000) >> 16; + args->v0.hblanke = (blanke & 0x0000ffff); + args->v0.vblanks = (blanks & 0xffff0000) >> 16; + args->v0.hblanks = (blanks & 0x0000ffff); + args->v0.vtotal = ( total & 0xffff0000) >> 16; + args->v0.htotal = ( total & 0x0000ffff); + args->v0.time[0] = ktime_to_ns(ktime_get()); + args->v0.vline = /* vline read locks hline */ + nvkm_rd32(device, 0x616340 + (head * 0x800)) & 0xffff; + args->v0.time[1] = ktime_to_ns(ktime_get()); + args->v0.hline = + nvkm_rd32(device, 0x616344 + (head * 0x800)) & 0xffff; + } else + return ret; + + return 0; +} + +void +gf119_disp_root_fini(struct nv50_disp_root *root) +{ + struct nvkm_device *device = root->disp->base.engine.subdev.device; + /* disable all interrupts */ + nvkm_wr32(device, 0x6100b0, 0x00000000); +} + +int +gf119_disp_root_init(struct nv50_disp_root *root) +{ + struct nv50_disp *disp = root->disp; + struct nvkm_device *device = disp->base.engine.subdev.device; + u32 tmp; + int i; + + /* The below segments of code copying values from one register to + * another appear to inform EVO of the display capabilities or + * something similar. + */ + + /* ... CRTC caps */ + for (i = 0; i < disp->base.head.nr; i++) { + tmp = nvkm_rd32(device, 0x616104 + (i * 0x800)); + nvkm_wr32(device, 0x6101b4 + (i * 0x800), tmp); + tmp = nvkm_rd32(device, 0x616108 + (i * 0x800)); + nvkm_wr32(device, 0x6101b8 + (i * 0x800), tmp); + tmp = nvkm_rd32(device, 0x61610c + (i * 0x800)); + nvkm_wr32(device, 0x6101bc + (i * 0x800), tmp); + } + + /* ... DAC caps */ + for (i = 0; i < disp->func->dac.nr; i++) { + tmp = nvkm_rd32(device, 0x61a000 + (i * 0x800)); + nvkm_wr32(device, 0x6101c0 + (i * 0x800), tmp); + } + + /* ... SOR caps */ + for (i = 0; i < disp->func->sor.nr; i++) { + tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800)); + nvkm_wr32(device, 0x6301c4 + (i * 0x800), tmp); + } + + /* steal display away from vbios, or something like that */ + if (nvkm_rd32(device, 0x6100ac) & 0x00000100) { + nvkm_wr32(device, 0x6100ac, 0x00000100); + nvkm_mask(device, 0x6194e8, 0x00000001, 0x00000000); + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x6194e8) & 0x00000002)) + break; + ) < 0) + return -EBUSY; + } + + /* point at display engine memory area (hash table, objects) */ + nvkm_wr32(device, 0x610010, (root->instmem->addr >> 8) | 9); + + /* enable supervisor interrupts, disable everything else */ + nvkm_wr32(device, 0x610090, 0x00000000); + nvkm_wr32(device, 0x6100a0, 0x00000000); + nvkm_wr32(device, 0x6100b0, 0x00000307); + + /* disable underflow reporting, preventing an intermittent issue + * on some gk104 boards where the production vbios left this + * setting enabled by default. + * + * ftp://download.nvidia.com/open-gpu-doc/gk104-disable-underflow-reporting/1/gk104-disable-underflow-reporting.txt + */ + for (i = 0; i < disp->base.head.nr; i++) + nvkm_mask(device, 0x616308 + (i * 0x800), 0x00000111, 0x00000010); + + return 0; +} + +static const struct nv50_disp_root_func +gf119_disp_root = { + .init = gf119_disp_root_init, + .fini = gf119_disp_root_fini, + .dmac = { + &gf119_disp_core_oclass, + &gf119_disp_base_oclass, + &gf119_disp_ovly_oclass, + }, + .pioc = { + &gf119_disp_oimm_oclass, + &gf119_disp_curs_oclass, + }, +}; + +static int +gf119_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + return nv50_disp_root_new_(&gf119_disp_root, disp, oclass, + data, size, pobject); +} + +const struct nvkm_disp_oclass +gf119_disp_root_oclass = { + .base.oclass = GF110_DISP, + .base.minver = -1, + .base.maxver = -1, + .ctor = gf119_disp_root_new, +}; |