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author | Ben Skeggs <bskeggs@redhat.com> | 2013-03-04 03:01:21 (GMT) |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2013-07-01 03:44:04 (GMT) |
commit | dceef5d87cc01358cc1434416f3272e2ddc3d97a (patch) | |
tree | 6d073077600739f296087e0e38d65e21d7074873 /drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c | |
parent | 54ecff3e1ad22fd44443acde7f27f213758fdddc (diff) | |
download | linux-dceef5d87cc01358cc1434416f3272e2ddc3d97a.tar.xz |
drm/nouveau/fb: initialise vram controller as pfb sub-object
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c new file mode 100644 index 0000000..25fff84 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv44.c @@ -0,0 +1,62 @@ +/* + * 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 "priv.h" + +static int +nv44_ram_create(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_fb *pfb = nouveau_fb(parent); + struct nouveau_ram *ram; + u32 pfb474 = nv_rd32(pfb, 0x100474); + int ret; + + ret = nouveau_ram_create(parent, engine, oclass, &ram); + *pobject = nv_object(ram); + if (ret) + return ret; + + if (pfb474 & 0x00000004) + ram->type = NV_MEM_TYPE_GDDR3; + if (pfb474 & 0x00000002) + ram->type = NV_MEM_TYPE_DDR2; + if (pfb474 & 0x00000001) + ram->type = NV_MEM_TYPE_DDR1; + + ram->size = nv_rd32(pfb, 0x10020c) & 0xff000000; + return 0; +} + +struct nouveau_oclass +nv44_ram_oclass = { + .handle = 0, + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv44_ram_create, + .dtor = _nouveau_ram_dtor, + .init = _nouveau_ram_init, + .fini = _nouveau_ram_fini, + } +}; |