This source file includes following definitions.
- nv31_bus_intr
- nv31_bus_init
- nv31_bus_new
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25 #include "priv.h"
26
27 #include <subdev/gpio.h>
28 #include <subdev/therm.h>
29
30 static void
31 nv31_bus_intr(struct nvkm_bus *bus)
32 {
33 struct nvkm_subdev *subdev = &bus->subdev;
34 struct nvkm_device *device = subdev->device;
35 u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140);
36 u32 gpio = nvkm_rd32(device, 0x001104) & nvkm_rd32(device, 0x001144);
37
38 if (gpio) {
39 struct nvkm_gpio *gpio = device->gpio;
40 if (gpio)
41 nvkm_subdev_intr(&gpio->subdev);
42 }
43
44 if (stat & 0x00000008) {
45 u32 addr = nvkm_rd32(device, 0x009084);
46 u32 data = nvkm_rd32(device, 0x009088);
47
48 nvkm_error(subdev, "MMIO %s of %08x FAULT at %06x\n",
49 (addr & 0x00000002) ? "write" : "read", data,
50 (addr & 0x00fffffc));
51
52 stat &= ~0x00000008;
53 nvkm_wr32(device, 0x001100, 0x00000008);
54 }
55
56 if (stat & 0x00070000) {
57 struct nvkm_therm *therm = device->therm;
58 if (therm)
59 nvkm_subdev_intr(&therm->subdev);
60 stat &= ~0x00070000;
61 nvkm_wr32(device, 0x001100, 0x00070000);
62 }
63
64 if (stat) {
65 nvkm_error(subdev, "intr %08x\n", stat);
66 nvkm_mask(device, 0x001140, stat, 0x00000000);
67 }
68 }
69
70 static void
71 nv31_bus_init(struct nvkm_bus *bus)
72 {
73 struct nvkm_device *device = bus->subdev.device;
74 nvkm_wr32(device, 0x001100, 0xffffffff);
75 nvkm_wr32(device, 0x001140, 0x00070008);
76 }
77
78 static const struct nvkm_bus_func
79 nv31_bus = {
80 .init = nv31_bus_init,
81 .intr = nv31_bus_intr,
82 };
83
84 int
85 nv31_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus)
86 {
87 return nvkm_bus_new_(&nv31_bus, device, index, pbus);
88 }