1 /*
2  * Copyright 2021 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 "ior.h"
23 
24 #include <subdev/timer.h>
25 
26 static int
ga102_sor_dp_links(struct nvkm_ior * sor,struct nvkm_i2c_aux * aux)27 ga102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
28 {
29 	struct nvkm_device *device = sor->disp->engine.subdev.device;
30 	const u32 soff = nv50_ior_base(sor);
31 	const u32 loff = nv50_sor_link(sor);
32 	u32 dpctrl = 0x00000000;
33 	u32 clksor = 0x00000000;
34 
35 	switch (sor->dp.bw) {
36 	case 0x06: clksor |= 0x00000000; break;
37 	case 0x0a: clksor |= 0x00040000; break;
38 	case 0x14: clksor |= 0x00080000; break;
39 	case 0x1e: clksor |= 0x000c0000; break;
40 	case 0x08: clksor |= 0x00100000; break;
41 	case 0x09: clksor |= 0x00140000; break;
42 	case 0x0c: clksor |= 0x00180000; break;
43 	case 0x10: clksor |= 0x001c0000; break;
44 	default:
45 		WARN_ON(1);
46 		return -EINVAL;
47 	}
48 
49 	dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
50 	if (sor->dp.mst)
51 		dpctrl |= 0x40000000;
52 	if (sor->dp.ef)
53 		dpctrl |= 0x00004000;
54 
55 	nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
56 
57 	/*XXX*/
58 	nvkm_msec(device, 40, NVKM_DELAY);
59 	nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
60 	nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
61 
62 	nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
63 	return 0;
64 }
65 
66 static void
ga102_sor_clock(struct nvkm_ior * sor)67 ga102_sor_clock(struct nvkm_ior *sor)
68 {
69 	struct nvkm_device *device = sor->disp->engine.subdev.device;
70 	u32 div2 = 0;
71 	if (sor->asy.proto == TMDS) {
72 		if (sor->tmds.high_speed)
73 			div2 = 1;
74 	}
75 	nvkm_wr32(device, 0x00ec08 + (sor->id * 0x10), 0x00000000);
76 	nvkm_wr32(device, 0x00ec04 + (sor->id * 0x10), div2);
77 }
78 
79 static const struct nvkm_ior_func
80 ga102_sor_hda = {
81 	.route = {
82 		.get = gm200_sor_route_get,
83 		.set = gm200_sor_route_set,
84 	},
85 	.state = gv100_sor_state,
86 	.power = nv50_sor_power,
87 	.clock = ga102_sor_clock,
88 	.hdmi = {
89 		.ctrl = gv100_hdmi_ctrl,
90 		.scdc = gm200_hdmi_scdc,
91 	},
92 	.dp = {
93 		.lanes = { 0, 1, 2, 3 },
94 		.links = ga102_sor_dp_links,
95 		.power = g94_sor_dp_power,
96 		.pattern = gm107_sor_dp_pattern,
97 		.drive = gm200_sor_dp_drive,
98 		.vcpi = tu102_sor_dp_vcpi,
99 		.audio = gv100_sor_dp_audio,
100 		.audio_sym = gv100_sor_dp_audio_sym,
101 		.watermark = gv100_sor_dp_watermark,
102 	},
103 	.hda = {
104 		.hpd = gf119_hda_hpd,
105 		.eld = gf119_hda_eld,
106 		.device_entry = gv100_hda_device_entry,
107 	},
108 };
109 
110 static const struct nvkm_ior_func
111 ga102_sor = {
112 	.route = {
113 		.get = gm200_sor_route_get,
114 		.set = gm200_sor_route_set,
115 	},
116 	.state = gv100_sor_state,
117 	.power = nv50_sor_power,
118 	.clock = ga102_sor_clock,
119 	.hdmi = {
120 		.ctrl = gv100_hdmi_ctrl,
121 		.scdc = gm200_hdmi_scdc,
122 	},
123 	.dp = {
124 		.lanes = { 0, 1, 2, 3 },
125 		.links = ga102_sor_dp_links,
126 		.power = g94_sor_dp_power,
127 		.pattern = gm107_sor_dp_pattern,
128 		.drive = gm200_sor_dp_drive,
129 		.vcpi = tu102_sor_dp_vcpi,
130 		.audio = gv100_sor_dp_audio,
131 		.audio_sym = gv100_sor_dp_audio_sym,
132 		.watermark = gv100_sor_dp_watermark,
133 	},
134 };
135 
136 int
ga102_sor_new(struct nvkm_disp * disp,int id)137 ga102_sor_new(struct nvkm_disp *disp, int id)
138 {
139 	struct nvkm_device *device = disp->engine.subdev.device;
140 	u32 hda = nvkm_rd32(device, 0x08a15c);
141 	if (hda & BIT(id))
142 		return nvkm_ior_new_(&ga102_sor_hda, disp, SOR, id);
143 	return nvkm_ior_new_(&ga102_sor, disp, SOR, id);
144 }
145