1 /*
2 * Copyright 2012 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
23 */
24 #include "priv.h"
25 #include "head.h"
26
27 #include <nvif/class.h>
28
29 static void
nv04_head_vblank_put(struct nvkm_head * head)30 nv04_head_vblank_put(struct nvkm_head *head)
31 {
32 struct nvkm_device *device = head->disp->engine.subdev.device;
33 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000000);
34 }
35
36 static void
nv04_head_vblank_get(struct nvkm_head * head)37 nv04_head_vblank_get(struct nvkm_head *head)
38 {
39 struct nvkm_device *device = head->disp->engine.subdev.device;
40 nvkm_wr32(device, 0x600140 + (head->id * 0x2000) , 0x00000001);
41 }
42
43 static void
nv04_head_rgpos(struct nvkm_head * head,u16 * hline,u16 * vline)44 nv04_head_rgpos(struct nvkm_head *head, u16 *hline, u16 *vline)
45 {
46 struct nvkm_device *device = head->disp->engine.subdev.device;
47 u32 data = nvkm_rd32(device, 0x600868 + (head->id * 0x2000));
48 *hline = (data & 0xffff0000) >> 16;
49 *vline = (data & 0x0000ffff);
50 }
51
52 static void
nv04_head_state(struct nvkm_head * head,struct nvkm_head_state * state)53 nv04_head_state(struct nvkm_head *head, struct nvkm_head_state *state)
54 {
55 struct nvkm_device *device = head->disp->engine.subdev.device;
56 const u32 hoff = head->id * 0x0200;
57 state->vblanks = nvkm_rd32(device, 0x680800 + hoff) & 0x0000ffff;
58 state->vtotal = nvkm_rd32(device, 0x680804 + hoff) & 0x0000ffff;
59 state->vblanke = state->vtotal - 1;
60 state->hblanks = nvkm_rd32(device, 0x680820 + hoff) & 0x0000ffff;
61 state->htotal = nvkm_rd32(device, 0x680824 + hoff) & 0x0000ffff;
62 state->hblanke = state->htotal - 1;
63 }
64
65 static const struct nvkm_head_func
66 nv04_head = {
67 .state = nv04_head_state,
68 .rgpos = nv04_head_rgpos,
69 .vblank_get = nv04_head_vblank_get,
70 .vblank_put = nv04_head_vblank_put,
71 };
72
73 static int
nv04_head_new(struct nvkm_disp * disp,int id)74 nv04_head_new(struct nvkm_disp *disp, int id)
75 {
76 return nvkm_head_new_(&nv04_head, disp, id);
77 }
78
79 static void
nv04_disp_intr(struct nvkm_disp * disp)80 nv04_disp_intr(struct nvkm_disp *disp)
81 {
82 struct nvkm_subdev *subdev = &disp->engine.subdev;
83 struct nvkm_device *device = subdev->device;
84 u32 crtc0 = nvkm_rd32(device, 0x600100);
85 u32 crtc1 = nvkm_rd32(device, 0x602100);
86 u32 pvideo;
87
88 if (crtc0 & 0x00000001) {
89 nvkm_disp_vblank(disp, 0);
90 nvkm_wr32(device, 0x600100, 0x00000001);
91 }
92
93 if (crtc1 & 0x00000001) {
94 nvkm_disp_vblank(disp, 1);
95 nvkm_wr32(device, 0x602100, 0x00000001);
96 }
97
98 if (device->chipset >= 0x10 && device->chipset <= 0x40) {
99 pvideo = nvkm_rd32(device, 0x8100);
100 if (pvideo & ~0x11)
101 nvkm_info(subdev, "PVIDEO intr: %08x\n", pvideo);
102 nvkm_wr32(device, 0x8100, pvideo);
103 }
104 }
105
106 static const struct nvkm_disp_func
107 nv04_disp = {
108 .intr = nv04_disp_intr,
109 .root = { 0, 0, NV04_DISP },
110 .user = { {} },
111 };
112
113 int
nv04_disp_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_disp ** pdisp)114 nv04_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
115 struct nvkm_disp **pdisp)
116 {
117 int ret, i;
118
119 ret = nvkm_disp_new_(&nv04_disp, device, type, inst, pdisp);
120 if (ret)
121 return ret;
122
123 for (i = 0; i < 2; i++) {
124 ret = nv04_head_new(*pdisp, i);
125 if (ret)
126 return ret;
127 }
128
129 return 0;
130 }
131