diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/dac507d.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/dac507d.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/dac507d.c b/drivers/gpu/drm/nouveau/dispnv50/dac507d.c new file mode 100644 index 000000000..09de78d96 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv50/dac507d.c @@ -0,0 +1,52 @@ +/* + * Copyright 2018 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. + */ +#include "core.h" + +#include <nvif/push507c.h> + +#include <nvhw/class/cl507d.h> + +static int +dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl, + struct nv50_head_atom *asyh) +{ + struct nvif_push *push = core->chan.push; + u32 sync = 0; + int ret; + + if (asyh) { + sync |= NVVAL(NV507D, DAC_SET_POLARITY, HSYNC, asyh->or.nhsync); + sync |= NVVAL(NV507D, DAC_SET_POLARITY, VSYNC, asyh->or.nvsync); + } + + if ((ret = PUSH_WAIT(push, 3))) + return ret; + + PUSH_MTHD(push, NV507D, DAC_SET_CONTROL(or), ctrl, + DAC_SET_POLARITY(or), sync); + return 0; +} + +const struct nv50_outp_func +dac507d = { + .ctrl = dac507d_ctrl, +}; |