diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c new file mode 100644 index 000000000000..ca776ce75f4f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/g84.c @@ -0,0 +1,66 @@ +/* + * 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 "nv50.h" + +#include <subdev/bios.h> +#include <subdev/bios/init.h> + +static u64 +g84_devinit_disable(struct nvkm_devinit *devinit) +{ + struct nv50_devinit_priv *priv = (void *)devinit; + u32 r001540 = nv_rd32(priv, 0x001540); + u32 r00154c = nv_rd32(priv, 0x00154c); + u64 disable = 0ULL; + + if (!(r001540 & 0x40000000)) { + disable |= (1ULL << NVDEV_ENGINE_MPEG); + disable |= (1ULL << NVDEV_ENGINE_VP); + disable |= (1ULL << NVDEV_ENGINE_BSP); + disable |= (1ULL << NVDEV_ENGINE_CIPHER); + } + + if (!(r00154c & 0x00000004)) + disable |= (1ULL << NVDEV_ENGINE_DISP); + if (!(r00154c & 0x00000020)) + disable |= (1ULL << NVDEV_ENGINE_BSP); + if (!(r00154c & 0x00000040)) + disable |= (1ULL << NVDEV_ENGINE_CIPHER); + + return disable; +} + +struct nvkm_oclass * +g84_devinit_oclass = &(struct nvkm_devinit_impl) { + .base.handle = NV_SUBDEV(DEVINIT, 0x84), + .base.ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_devinit_ctor, + .dtor = _nvkm_devinit_dtor, + .init = nv50_devinit_init, + .fini = _nvkm_devinit_fini, + }, + .pll_set = nv50_devinit_pll_set, + .disable = g84_devinit_disable, + .post = nvbios_init, +}.base; |