| /* |
| * 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 <subdev/bios.h> |
| #include <subdev/bios/dcb.h> |
| #include <subdev/bios/disp.h> |
| #include <subdev/bios/init.h> |
| #include <subdev/vga.h> |
| |
| #include "nv50.h" |
| |
| int |
| nv50_devinit_pll_set(struct nouveau_devinit *devinit, u32 type, u32 freq) |
| { |
| struct nv50_devinit_priv *priv = (void *)devinit; |
| struct nouveau_bios *bios = nouveau_bios(priv); |
| struct nvbios_pll info; |
| int N1, M1, N2, M2, P; |
| int ret; |
| |
| ret = nvbios_pll_parse(bios, type, &info); |
| if (ret) { |
| nv_error(devinit, "failed to retrieve pll data, %d\n", ret); |
| return ret; |
| } |
| |
| ret = nv04_pll_calc(nv_subdev(devinit), &info, freq, &N1, &M1, &N2, &M2, &P); |
| if (!ret) { |
| nv_error(devinit, "failed pll calculation\n"); |
| return ret; |
| } |
| |
| switch (info.type) { |
| case PLL_VPLL0: |
| case PLL_VPLL1: |
| nv_wr32(priv, info.reg + 0, 0x10000611); |
| nv_mask(priv, info.reg + 4, 0x00ff00ff, (M1 << 16) | N1); |
| nv_mask(priv, info.reg + 8, 0x7fff00ff, (P << 28) | |
| (M2 << 16) | N2); |
| break; |
| case PLL_MEMORY: |
| nv_mask(priv, info.reg + 0, 0x01ff0000, (P << 22) | |
| (info.bias_p << 19) | |
| (P << 16)); |
| nv_wr32(priv, info.reg + 4, (N1 << 8) | M1); |
| break; |
| default: |
| nv_mask(priv, info.reg + 0, 0x00070000, (P << 16)); |
| nv_wr32(priv, info.reg + 4, (N1 << 8) | M1); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static u64 |
| nv50_devinit_disable(struct nouveau_devinit *devinit) |
| { |
| struct nv50_devinit_priv *priv = (void *)devinit; |
| u32 r001540 = nv_rd32(priv, 0x001540); |
| u64 disable = 0ULL; |
| |
| if (!(r001540 & 0x40000000)) |
| disable |= (1ULL << NVDEV_ENGINE_MPEG); |
| |
| return disable; |
| } |
| |
| int |
| nv50_devinit_init(struct nouveau_object *object) |
| { |
| struct nouveau_bios *bios = nouveau_bios(object); |
| struct nv50_devinit_priv *priv = (void *)object; |
| struct nvbios_outp info; |
| struct dcb_output outp; |
| u8 ver = 0xff, hdr, cnt, len; |
| int ret, i = 0; |
| |
| if (!priv->base.post) { |
| if (!nv_rdvgac(priv, 0, 0x00) && |
| !nv_rdvgac(priv, 0, 0x1a)) { |
| nv_info(priv, "adaptor not initialised\n"); |
| priv->base.post = true; |
| } |
| } |
| |
| ret = nouveau_devinit_init(&priv->base); |
| if (ret) |
| return ret; |
| |
| /* if we ran the init tables, we have to execute the first script |
| * pointer of each dcb entry's display encoder table in order |
| * to properly initialise each encoder. |
| */ |
| while (priv->base.post && dcb_outp_parse(bios, i, &ver, &hdr, &outp)) { |
| if (nvbios_outp_match(bios, outp.hasht, outp.hashm, |
| &ver, &hdr, &cnt, &len, &info)) { |
| struct nvbios_init init = { |
| .subdev = nv_subdev(priv), |
| .bios = bios, |
| .offset = info.script[0], |
| .outp = &outp, |
| .crtc = -1, |
| .execute = 1, |
| }; |
| |
| nvbios_exec(&init); |
| } |
| i++; |
| } |
| |
| return 0; |
| } |
| |
| int |
| nv50_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv50_devinit_priv *priv; |
| int ret; |
| |
| ret = nouveau_devinit_create(parent, engine, oclass, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| struct nouveau_oclass * |
| nv50_devinit_oclass = &(struct nouveau_devinit_impl) { |
| .base.handle = NV_SUBDEV(DEVINIT, 0x50), |
| .base.ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_devinit_ctor, |
| .dtor = _nouveau_devinit_dtor, |
| .init = nv50_devinit_init, |
| .fini = _nouveau_devinit_fini, |
| }, |
| .pll_set = nv50_devinit_pll_set, |
| .disable = nv50_devinit_disable, |
| }.base; |