diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c new file mode 100644 index 0000000..4a85778 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c @@ -0,0 +1,121 @@ +/* + * 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, + }, +}; |