| /* |
| * 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 <subdev/bios.h> |
| #include <subdev/bios/dcb.h> |
| #include <subdev/bios/disp.h> |
| #include <subdev/bios/init.h> |
| #include <subdev/devinit.h> |
| #include <subdev/vga.h> |
| |
| struct nv50_devinit_priv { |
| struct nouveau_devinit base; |
| }; |
| |
| static 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; |
| } |
| |
| static void |
| nv50_devinit_dtor(struct nouveau_object *object) |
| { |
| struct nv50_devinit_priv *priv = (void *)object; |
| nouveau_devinit_destroy(&priv->base); |
| } |
| |
| static 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; |
| } |
| |
| static int |
| nv50_devinit_fini(struct nouveau_object *object, bool suspend) |
| { |
| struct nv50_devinit_priv *priv = (void *)object; |
| return nouveau_devinit_fini(&priv->base, suspend); |
| } |
| |
| struct nouveau_oclass |
| nv50_devinit_oclass = { |
| .handle = NV_SUBDEV(DEVINIT, 0x50), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_devinit_ctor, |
| .dtor = nv50_devinit_dtor, |
| .init = nv50_devinit_init, |
| .fini = nv50_devinit_fini, |
| }, |
| }; |