1 /*
2  * Copyright 2018 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 #include "core.h"
23 
24 static void
25 dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
26 	     struct nv50_head_atom *asyh)
27 {
28 	u32 *push, sync = 0;
29 	if ((push = evo_wait(&core->chan, 3))) {
30 		if (asyh) {
31 			sync |= asyh->or.nvsync << 1;
32 			sync |= asyh->or.nhsync;
33 		}
34 		evo_mthd(push, 0x0400 + (or * 0x080), 2);
35 		evo_data(push, ctrl);
36 		evo_data(push, sync);
37 		evo_kick(push, &core->chan);
38 	}
39 }
40 
41 const struct nv50_outp_func
42 dac507d = {
43 	.ctrl = dac507d_ctrl,
44 };
45