1 /*
2 * Copyright 2017 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 * Authors: Ben Skeggs <bskeggs@redhat.com>
23 */
24 #include "head.h"
25
26 static void
gf119_head_vblank_put(struct nvkm_head * head)27 gf119_head_vblank_put(struct nvkm_head *head)
28 {
29 struct nvkm_device *device = head->disp->engine.subdev.device;
30 const u32 hoff = head->id * 0x800;
31 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000);
32 }
33
34 static void
gf119_head_vblank_get(struct nvkm_head * head)35 gf119_head_vblank_get(struct nvkm_head *head)
36 {
37 struct nvkm_device *device = head->disp->engine.subdev.device;
38 const u32 hoff = head->id * 0x800;
39 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001);
40 }
41
42 void
gf119_head_rgclk(struct nvkm_head * head,int div)43 gf119_head_rgclk(struct nvkm_head *head, int div)
44 {
45 struct nvkm_device *device = head->disp->engine.subdev.device;
46 nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div);
47 }
48
49 static void
gf119_head_state(struct nvkm_head * head,struct nvkm_head_state * state)50 gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
51 {
52 struct nvkm_device *device = head->disp->engine.subdev.device;
53 const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300;
54 u32 data;
55
56 data = nvkm_rd32(device, 0x640414 + hoff);
57 state->vtotal = (data & 0xffff0000) >> 16;
58 state->htotal = (data & 0x0000ffff);
59 data = nvkm_rd32(device, 0x640418 + hoff);
60 state->vsynce = (data & 0xffff0000) >> 16;
61 state->hsynce = (data & 0x0000ffff);
62 data = nvkm_rd32(device, 0x64041c + hoff);
63 state->vblanke = (data & 0xffff0000) >> 16;
64 state->hblanke = (data & 0x0000ffff);
65 data = nvkm_rd32(device, 0x640420 + hoff);
66 state->vblanks = (data & 0xffff0000) >> 16;
67 state->hblanks = (data & 0x0000ffff);
68 state->hz = nvkm_rd32(device, 0x640450 + hoff);
69
70 data = nvkm_rd32(device, 0x640404 + hoff);
71 switch ((data & 0x000003c0) >> 6) {
72 case 6: state->or.depth = 30; break;
73 case 5: state->or.depth = 24; break;
74 case 2: state->or.depth = 18; break;
75 case 0: state->or.depth = 18; break; /*XXX: "default" */
76 default:
77 state->or.depth = 18;
78 WARN_ON(1);
79 break;
80 }
81 }
82
83 static const struct nvkm_head_func
84 gf119_head = {
85 .state = gf119_head_state,
86 .rgpos = nv50_head_rgpos,
87 .rgclk = gf119_head_rgclk,
88 .vblank_get = gf119_head_vblank_get,
89 .vblank_put = gf119_head_vblank_put,
90 };
91
92 int
gf119_head_new(struct nvkm_disp * disp,int id)93 gf119_head_new(struct nvkm_disp *disp, int id)
94 {
95 return nvkm_head_new_(&gf119_head, disp, id);
96 }
97
98 int
gf119_head_cnt(struct nvkm_disp * disp,unsigned long * pmask)99 gf119_head_cnt(struct nvkm_disp *disp, unsigned long *pmask)
100 {
101 struct nvkm_device *device = disp->engine.subdev.device;
102 *pmask = nvkm_rd32(device, 0x612004) & 0x0000000f;
103 return nvkm_rd32(device, 0x022448);
104 }
105