1/*	$NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
2
3/*
4 * Copyright 2017 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24#include <sys/cdefs.h>
25__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_dacgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
26
27#include "ior.h"
28
29static void
30gf119_dac_clock(struct nvkm_ior *dac)
31{
32	struct nvkm_device *device = dac->disp->engine.subdev.device;
33	const u32 doff = nv50_ior_base(dac);
34	nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
35}
36
37static void
38gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
39{
40	struct nvkm_device *device = dac->disp->engine.subdev.device;
41	const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
42	u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
43
44	state->proto_evo = (ctrl & 0x00000f00) >> 8;
45	switch (state->proto_evo) {
46	case 0: state->proto = CRT; break;
47	default:
48		state->proto = UNKNOWN;
49		break;
50	}
51
52	state->head = ctrl & 0x0000000f;
53}
54
55static const struct nvkm_ior_func
56gf119_dac = {
57	.state = gf119_dac_state,
58	.power = nv50_dac_power,
59	.sense = nv50_dac_sense,
60	.clock = gf119_dac_clock,
61};
62
63int
64gf119_dac_new(struct nvkm_disp *disp, int id)
65{
66	return nvkm_ior_new_(&gf119_dac, disp, DAC, id);
67}
68
69int
70gf119_dac_cnt(struct nvkm_disp *disp, unsigned long *pmask)
71{
72	struct nvkm_device *device = disp->engine.subdev.device;
73	*pmask = (nvkm_rd32(device, 0x612004) & 0x000000f0) >> 4;
74	return 4;
75}
76