bus: mhi: core: Add helper API to return number of free TREs
[linux-2.6-microblaze.git] / drivers / gpu / drm / nouveau / nvkm / engine / disp / sortu102.c
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 "ior.h"
23
24 #include <subdev/timer.h>
25
26 static void
27 tu102_sor_dp_vcpi(struct nvkm_ior *sor, int head,
28                   u8 slot, u8 slot_nr, u16 pbn, u16 aligned)
29 {
30         struct nvkm_device *device = sor->disp->engine.subdev.device;
31         const u32 hoff = head * 0x800;
32
33         nvkm_mask(device, 0x61657c + hoff, 0xffffffff, (aligned << 16) | pbn);
34         nvkm_mask(device, 0x616578 + hoff, 0x00003f3f, (slot_nr << 8) | slot);
35 }
36
37 static int
38 tu102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
39 {
40         struct nvkm_device *device = sor->disp->engine.subdev.device;
41         const u32 soff = nv50_ior_base(sor);
42         const u32 loff = nv50_sor_link(sor);
43         u32 dpctrl = 0x00000000;
44         u32 clksor = 0x00000000;
45
46         clksor |= sor->dp.bw << 18;
47         dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
48         if (sor->dp.mst)
49                 dpctrl |= 0x40000000;
50         if (sor->dp.ef)
51                 dpctrl |= 0x00004000;
52
53         nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
54
55         /*XXX*/
56         nvkm_msec(device, 40, NVKM_DELAY);
57         nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
58         nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
59
60         nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
61         return 0;
62 }
63
64 static const struct nvkm_ior_func
65 tu102_sor_hda = {
66         .route = {
67                 .get = gm200_sor_route_get,
68                 .set = gm200_sor_route_set,
69         },
70         .state = gv100_sor_state,
71         .power = nv50_sor_power,
72         .clock = gf119_sor_clock,
73         .hdmi = {
74                 .ctrl = gv100_hdmi_ctrl,
75                 .scdc = gm200_hdmi_scdc,
76         },
77         .dp = {
78                 .lanes = { 0, 1, 2, 3 },
79                 .links = tu102_sor_dp_links,
80                 .power = g94_sor_dp_power,
81                 .pattern = gm107_sor_dp_pattern,
82                 .drive = gm200_sor_dp_drive,
83                 .vcpi = tu102_sor_dp_vcpi,
84                 .audio = gv100_sor_dp_audio,
85                 .audio_sym = gv100_sor_dp_audio_sym,
86                 .watermark = gv100_sor_dp_watermark,
87         },
88         .hda = {
89                 .hpd = gf119_hda_hpd,
90                 .eld = gf119_hda_eld,
91                 .device_entry = gv100_hda_device_entry,
92         },
93 };
94
95 static const struct nvkm_ior_func
96 tu102_sor = {
97         .route = {
98                 .get = gm200_sor_route_get,
99                 .set = gm200_sor_route_set,
100         },
101         .state = gv100_sor_state,
102         .power = nv50_sor_power,
103         .clock = gf119_sor_clock,
104         .hdmi = {
105                 .ctrl = gv100_hdmi_ctrl,
106                 .scdc = gm200_hdmi_scdc,
107         },
108         .dp = {
109                 .lanes = { 0, 1, 2, 3 },
110                 .links = tu102_sor_dp_links,
111                 .power = g94_sor_dp_power,
112                 .pattern = gm107_sor_dp_pattern,
113                 .drive = gm200_sor_dp_drive,
114                 .vcpi = tu102_sor_dp_vcpi,
115                 .audio = gv100_sor_dp_audio,
116                 .audio_sym = gv100_sor_dp_audio_sym,
117                 .watermark = gv100_sor_dp_watermark,
118         },
119 };
120
121 int
122 tu102_sor_new(struct nvkm_disp *disp, int id)
123 {
124         struct nvkm_device *device = disp->engine.subdev.device;
125         u32 hda = nvkm_rd32(device, 0x08a15c);
126         if (hda & BIT(id))
127                 return nvkm_ior_new_(&tu102_sor_hda, disp, SOR, id);
128         return nvkm_ior_new_(&tu102_sor, disp, SOR, id);
129 }