diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c new file mode 100644 index 000000000000..b229a311c78c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sornv50.c @@ -0,0 +1,56 @@ +/* + * 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 "nv50.h" +#include "outp.h" + +#include <core/client.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +int +nv50_sor_power(NV50_DISP_MTHD_V1) +{ + union { + struct nv50_disp_sor_pwr_v0 v0; + } *args = data; + const u32 soff = outp->or * 0x800; + u32 stat; + int ret; + + nv_ioctl(object, "disp sor pwr size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(object, "disp sor pwr vers %d state %d\n", + args->v0.version, args->v0.state); + stat = !!args->v0.state; + } else + return ret; + + nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); + nv_mask(priv, 0x61c004 + soff, 0x80000001, 0x80000000 | stat); + nv_wait(priv, 0x61c004 + soff, 0x80000000, 0x00000000); + nv_wait(priv, 0x61c030 + soff, 0x10000000, 0x00000000); + return 0; +} |