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24#include "channv50.h"
25#include "rootnv50.h"
26
27#include <subdev/timer.h>
28
29static void
30gf119_disp_pioc_fini(struct nv50_disp_chan *chan)
31{
32 struct nv50_disp *disp = chan->root->disp;
33 struct nvkm_subdev *subdev = &disp->base.engine.subdev;
34 struct nvkm_device *device = subdev->device;
35 int ctrl = chan->chid.ctrl;
36 int user = chan->chid.user;
37
38 nvkm_mask(device, 0x610490 + (ctrl * 0x10), 0x00000001, 0x00000000);
39 if (nvkm_msec(device, 2000,
40 if (!(nvkm_rd32(device, 0x610490 + (ctrl * 0x10)) & 0x00030000))
41 break;
42 ) < 0) {
43 nvkm_error(subdev, "ch %d fini: %08x\n", user,
44 nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
45 }
46
47
48 nvkm_mask(device, 0x610090, 0x00000001 << user, 0x00000000);
49 nvkm_mask(device, 0x6100a0, 0x00000001 << user, 0x00000000);
50}
51
52static int
53gf119_disp_pioc_init(struct nv50_disp_chan *chan)
54{
55 struct nv50_disp *disp = chan->root->disp;
56 struct nvkm_subdev *subdev = &disp->base.engine.subdev;
57 struct nvkm_device *device = subdev->device;
58 int ctrl = chan->chid.ctrl;
59 int user = chan->chid.user;
60
61
62 nvkm_mask(device, 0x6100a0, 0x00000001 << user, 0x00000001 << user);
63
64
65 nvkm_wr32(device, 0x610490 + (ctrl * 0x10), 0x00000001);
66 if (nvkm_msec(device, 2000,
67 u32 tmp = nvkm_rd32(device, 0x610490 + (ctrl * 0x10));
68 if ((tmp & 0x00030000) == 0x00010000)
69 break;
70 ) < 0) {
71 nvkm_error(subdev, "ch %d init: %08x\n", user,
72 nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
73 return -EBUSY;
74 }
75
76 return 0;
77}
78
79const struct nv50_disp_chan_func
80gf119_disp_pioc_func = {
81 .init = gf119_disp_pioc_init,
82 .fini = gf119_disp_pioc_fini,
83};
84