nouveau/dispnv50/dac507d.c

0001 /*
0002  * Copyright 2018 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "core.h"
0023
0024 #include <nvif/push507c.h>
0025
0026 #include <nvhw/class/cl507d.h>
0027
0028 static int
0029 dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
0030          struct nv50_head_atom *asyh)
0031 {
0032     struct nvif_push *push = core->chan.push;
0033     u32 sync = 0;
0034     int ret;
0035
0036     if (asyh) {
0037         sync |= NVVAL(NV507D, DAC_SET_POLARITY, HSYNC, asyh->or.nhsync);
0038         sync |= NVVAL(NV507D, DAC_SET_POLARITY, VSYNC, asyh->or.nvsync);
0039     }
0040
0041     if ((ret = PUSH_WAIT(push, 3)))
0042         return ret;
0043
0044     PUSH_MTHD(push, NV507D, DAC_SET_CONTROL(or), ctrl,
0045                 DAC_SET_POLARITY(or), sync);
0046     return 0;
0047 }
0048
0049 const struct nv50_outp_func
0050 dac507d = {
0051     .ctrl = dac507d_ctrl,
0052 };