25 #include "bus.h"
32 	u32 data;  member
38 	struct nv50_i2c_bus *bus = nv50_i2c_bus(base);  in nv50_i2c_bus_drive_scl()  local
39 	struct nvkm_device *device = bus->base.pad->i2c->subdev.device;  in nv50_i2c_bus_drive_scl()
40 	if (state) bus->data |= 0x01;  in nv50_i2c_bus_drive_scl()
41 	else	   bus->data &= 0xfe;  in nv50_i2c_bus_drive_scl()
42 	nvkm_wr32(device, bus->addr, bus->data);  in nv50_i2c_bus_drive_scl()
48 	struct nv50_i2c_bus *bus = nv50_i2c_bus(base);  in nv50_i2c_bus_drive_sda()  local
49 	struct nvkm_device *device = bus->base.pad->i2c->subdev.device;  in nv50_i2c_bus_drive_sda()
50 	if (state) bus->data |= 0x02;  in nv50_i2c_bus_drive_sda()
51 	else	   bus->data &= 0xfd;  in nv50_i2c_bus_drive_sda()
52 	nvkm_wr32(device, bus->addr, bus->data);  in nv50_i2c_bus_drive_sda()
58 	struct nv50_i2c_bus *bus = nv50_i2c_bus(base);  in nv50_i2c_bus_sense_scl()  local
59 	struct nvkm_device *device = bus->base.pad->i2c->subdev.device;  in nv50_i2c_bus_sense_scl()
60 	return !!(nvkm_rd32(device, bus->addr) & 0x00000001);  in nv50_i2c_bus_sense_scl()
66 	struct nv50_i2c_bus *bus = nv50_i2c_bus(base);  in nv50_i2c_bus_sense_sda()  local
67 	struct nvkm_device *device = bus->base.pad->i2c->subdev.device;  in nv50_i2c_bus_sense_sda()
68 	return !!(nvkm_rd32(device, bus->addr) & 0x00000002);  in nv50_i2c_bus_sense_sda()
74 	struct nv50_i2c_bus *bus = nv50_i2c_bus(base);  in nv50_i2c_bus_init()  local
75 	struct nvkm_device *device = bus->base.pad->i2c->subdev.device;  in nv50_i2c_bus_init()
76 	nvkm_wr32(device, bus->addr, (bus->data = 0x00000007));  in nv50_i2c_bus_init()
98 	struct nv50_i2c_bus *bus;  in nv50_i2c_bus_new()  local
101 		nvkm_warn(&pad->i2c->subdev, "bus %d unknown\n", drive);  in nv50_i2c_bus_new()
102 		return -ENODEV;  in nv50_i2c_bus_new()
105 	if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL)))  in nv50_i2c_bus_new()
106 		return -ENOMEM;  in nv50_i2c_bus_new()
107 	*pbus = &bus->base;  in nv50_i2c_bus_new()
109 	nvkm_i2c_bus_ctor(&nv50_i2c_bus_func, pad, id, &bus->base);  in nv50_i2c_bus_new()
110 	bus->addr = addr[drive];  in nv50_i2c_bus_new()
111 	bus->data = 0x00000007;  in nv50_i2c_bus_new()