1 /* $NetBSD: nouveau_nvkm_engine_disp_headgf119.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 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_headgf119.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
28
29 #include "head.h"
30
31 static void
gf119_head_vblank_put(struct nvkm_head * head)32 gf119_head_vblank_put(struct nvkm_head *head)
33 {
34 struct nvkm_device *device = head->disp->engine.subdev.device;
35 const u32 hoff = head->id * 0x800;
36 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000000);
37 }
38
39 static void
gf119_head_vblank_get(struct nvkm_head * head)40 gf119_head_vblank_get(struct nvkm_head *head)
41 {
42 struct nvkm_device *device = head->disp->engine.subdev.device;
43 const u32 hoff = head->id * 0x800;
44 nvkm_mask(device, 0x6100c0 + hoff, 0x00000001, 0x00000001);
45 }
46
47 void
gf119_head_rgclk(struct nvkm_head * head,int div)48 gf119_head_rgclk(struct nvkm_head *head, int div)
49 {
50 struct nvkm_device *device = head->disp->engine.subdev.device;
51 nvkm_mask(device, 0x612200 + (head->id * 0x800), 0x0000000f, div);
52 }
53
54 static void
gf119_head_state(struct nvkm_head * head,struct nvkm_head_state * state)55 gf119_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
56 {
57 struct nvkm_device *device = head->disp->engine.subdev.device;
58 const u32 hoff = (state == &head->asy) * 0x20000 + head->id * 0x300;
59 u32 data;
60
61 data = nvkm_rd32(device, 0x640414 + hoff);
62 state->vtotal = (data & 0xffff0000) >> 16;
63 state->htotal = (data & 0x0000ffff);
64 data = nvkm_rd32(device, 0x640418 + hoff);
65 state->vsynce = (data & 0xffff0000) >> 16;
66 state->hsynce = (data & 0x0000ffff);
67 data = nvkm_rd32(device, 0x64041c + hoff);
68 state->vblanke = (data & 0xffff0000) >> 16;
69 state->hblanke = (data & 0x0000ffff);
70 data = nvkm_rd32(device, 0x640420 + hoff);
71 state->vblanks = (data & 0xffff0000) >> 16;
72 state->hblanks = (data & 0x0000ffff);
73 state->hz = nvkm_rd32(device, 0x640450 + hoff);
74
75 data = nvkm_rd32(device, 0x640404 + hoff);
76 switch ((data & 0x000003c0) >> 6) {
77 case 6: state->or.depth = 30; break;
78 case 5: state->or.depth = 24; break;
79 case 2: state->or.depth = 18; break;
80 case 0: state->or.depth = 18; break; /*XXX: "default" */
81 default:
82 state->or.depth = 18;
83 WARN_ON(1);
84 break;
85 }
86 }
87
88 static const struct nvkm_head_func
89 gf119_head = {
90 .state = gf119_head_state,
91 .rgpos = nv50_head_rgpos,
92 .rgclk = gf119_head_rgclk,
93 .vblank_get = gf119_head_vblank_get,
94 .vblank_put = gf119_head_vblank_put,
95 };
96
97 int
gf119_head_new(struct nvkm_disp * disp,int id)98 gf119_head_new(struct nvkm_disp *disp, int id)
99 {
100 return nvkm_head_new_(&gf119_head, disp, id);
101 }
102
103 int
gf119_head_cnt(struct nvkm_disp * disp,unsigned long * pmask)104 gf119_head_cnt(struct nvkm_disp *disp, unsigned long *pmask)
105 {
106 struct nvkm_device *device = disp->engine.subdev.device;
107 *pmask = nvkm_rd32(device, 0x612004) & 0x0000000f;
108 return nvkm_rd32(device, 0x022448);
109 }
110