2 * Copyright 2012 Red Hat Inc.
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25 #include <subdev/timer.h>
28 gf100_ibus_intr_hub(struct nvkm_subdev *ibus, int i)
30 struct nvkm_device *device = ibus->device;
31 u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0400));
32 u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0400));
33 u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0400));
34 nvkm_debug(ibus, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat);
38 gf100_ibus_intr_rop(struct nvkm_subdev *ibus, int i)
40 struct nvkm_device *device = ibus->device;
41 u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0400));
42 u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0400));
43 u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0400));
44 nvkm_debug(ibus, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat);
48 gf100_ibus_intr_gpc(struct nvkm_subdev *ibus, int i)
50 struct nvkm_device *device = ibus->device;
51 u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0400));
52 u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0400));
53 u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0400));
54 nvkm_debug(ibus, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat);
58 gf100_ibus_intr(struct nvkm_subdev *ibus)
60 struct nvkm_device *device = ibus->device;
61 u32 intr0 = nvkm_rd32(device, 0x121c58);
62 u32 intr1 = nvkm_rd32(device, 0x121c5c);
63 u32 hubnr = nvkm_rd32(device, 0x121c70);
64 u32 ropnr = nvkm_rd32(device, 0x121c74);
65 u32 gpcnr = nvkm_rd32(device, 0x121c78);
68 for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) {
69 u32 stat = 0x00000100 << i;
71 gf100_ibus_intr_hub(ibus, i);
76 for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) {
77 u32 stat = 0x00010000 << i;
79 gf100_ibus_intr_rop(ibus, i);
84 for (i = 0; intr1 && i < gpcnr; i++) {
85 u32 stat = 0x00000001 << i;
87 gf100_ibus_intr_gpc(ibus, i);
92 nvkm_mask(device, 0x121c4c, 0x0000003f, 0x00000002);
93 nvkm_msec(device, 2000,
94 if (!(nvkm_rd32(device, 0x121c4c) & 0x0000003f))
100 gf100_ibus_init(struct nvkm_subdev *ibus)
102 struct nvkm_device *device = ibus->device;
103 nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
104 nvkm_wr32(device, 0x12232c, 0x00100064);
105 nvkm_wr32(device, 0x122330, 0x00100064);
106 nvkm_wr32(device, 0x122334, 0x00100064);
107 nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
111 static const struct nvkm_subdev_func
113 .init = gf100_ibus_init,
114 .intr = gf100_ibus_intr,
118 gf100_ibus_new(struct nvkm_device *device, int index,
119 struct nvkm_subdev **pibus)
121 return nvkm_subdev_new_(&gf100_ibus, device, index, pibus);