1 /*	$NetBSD: nouveau_nvkm_engine_disp_sorgv100.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2018 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_sorgv100.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
26 
27 #include "ior.h"
28 
29 #include <subdev/timer.h>
30 
31 void
gv100_sor_dp_watermark(struct nvkm_ior * sor,int head,u8 watermark)32 gv100_sor_dp_watermark(struct nvkm_ior *sor, int head, u8 watermark)
33 {
34 	struct nvkm_device *device = sor->disp->engine.subdev.device;
35 	const u32 hoff = head * 0x800;
36 	nvkm_mask(device, 0x616550 + hoff, 0x0c00003f, 0x08000000 | watermark);
37 }
38 
39 void
gv100_sor_dp_audio_sym(struct nvkm_ior * sor,int head,u16 h,u32 v)40 gv100_sor_dp_audio_sym(struct nvkm_ior *sor, int head, u16 h, u32 v)
41 {
42 	struct nvkm_device *device = sor->disp->engine.subdev.device;
43 	const u32 hoff = head * 0x800;
44 	nvkm_mask(device, 0x616568 + hoff, 0x0000ffff, h);
45 	nvkm_mask(device, 0x61656c + hoff, 0x00ffffff, v);
46 }
47 
48 void
gv100_sor_dp_audio(struct nvkm_ior * sor,int head,bool enable)49 gv100_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
50 {
51 	struct nvkm_device *device = sor->disp->engine.subdev.device;
52 	const u32 hoff = 0x800 * head;
53 	const u32 data = 0x80000000 | (0x00000001 * enable);
54 	const u32 mask = 0x8000000d;
55 	nvkm_mask(device, 0x616560 + hoff, mask, data);
56 	nvkm_msec(device, 2000,
57 		if (!(nvkm_rd32(device, 0x616560 + hoff) & 0x80000000))
58 			break;
59 	);
60 }
61 
62 void
gv100_sor_state(struct nvkm_ior * sor,struct nvkm_ior_state * state)63 gv100_sor_state(struct nvkm_ior *sor, struct nvkm_ior_state *state)
64 {
65 	struct nvkm_device *device = sor->disp->engine.subdev.device;
66 	const u32 coff = (state == &sor->arm) * 0x8000 + sor->id * 0x20;
67 	u32 ctrl = nvkm_rd32(device, 0x680300 + coff);
68 
69 	state->proto_evo = (ctrl & 0x00000f00) >> 8;
70 	switch (state->proto_evo) {
71 	case 0: state->proto = LVDS; state->link = 1; break;
72 	case 1: state->proto = TMDS; state->link = 1; break;
73 	case 2: state->proto = TMDS; state->link = 2; break;
74 	case 5: state->proto = TMDS; state->link = 3; break;
75 	case 8: state->proto =   DP; state->link = 1; break;
76 	case 9: state->proto =   DP; state->link = 2; break;
77 	default:
78 		state->proto = UNKNOWN;
79 		break;
80 	}
81 
82 	state->head = ctrl & 0x000000ff;
83 }
84 
85 static const struct nvkm_ior_func
86 gv100_sor = {
87 	.route = {
88 		.get = gm200_sor_route_get,
89 		.set = gm200_sor_route_set,
90 	},
91 	.state = gv100_sor_state,
92 	.power = nv50_sor_power,
93 	.clock = gf119_sor_clock,
94 	.hdmi = {
95 		.ctrl = gv100_hdmi_ctrl,
96 		.scdc = gm200_hdmi_scdc,
97 	},
98 	.dp = {
99 		.lanes = { 0, 1, 2, 3 },
100 		.links = gf119_sor_dp_links,
101 		.power = g94_sor_dp_power,
102 		.pattern = gm107_sor_dp_pattern,
103 		.drive = gm200_sor_dp_drive,
104 		.audio = gv100_sor_dp_audio,
105 		.audio_sym = gv100_sor_dp_audio_sym,
106 		.watermark = gv100_sor_dp_watermark,
107 	},
108 	.hda = {
109 		.hpd = gf119_hda_hpd,
110 		.eld = gf119_hda_eld,
111 	},
112 };
113 
114 int
gv100_sor_new(struct nvkm_disp * disp,int id)115 gv100_sor_new(struct nvkm_disp *disp, int id)
116 {
117 	return nvkm_ior_new_(&gv100_sor, disp, SOR, id);
118 }
119 
120 int
gv100_sor_cnt(struct nvkm_disp * disp,unsigned long * pmask)121 gv100_sor_cnt(struct nvkm_disp *disp, unsigned long *pmask)
122 {
123 	struct nvkm_device *device = disp->engine.subdev.device;
124 	*pmask = (nvkm_rd32(device, 0x610060) & 0x0000ff00) >> 8;
125 	return (nvkm_rd32(device, 0x610074) & 0x00000f00) >> 8;
126 }
127