提交 2e9a43f9 编写于 作者: K Karol Herbst 提交者: Ben Skeggs

drm/nouveau/iccsense: configure sensors like nvidia does

v2: rename ina209/ina219 read function
Signed-off-by: NKarol Herbst <nouveau@karolherbst.de>
Reviewed-by: NMartin Peres <martin.peres@free.fr>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 5f1f07de
......@@ -95,6 +95,63 @@ nvkm_iccsense_ina3221_read(struct nvkm_iccsense *iccsense,
40 * 8);
}
static void
nvkm_iccsense_ina209_config(struct nvkm_iccsense *iccsense,
struct nvkm_iccsense_sensor *sensor)
{
struct nvkm_subdev *subdev = &iccsense->subdev;
/* configuration:
* 0x0007: 0x0007 shunt and bus continous
* 0x0078: 0x0078 128 samples shunt
* 0x0780: 0x0780 128 samples bus
* 0x1800: 0x0000 +-40 mV shunt range
* 0x2000: 0x0000 16V FSR
*/
u16 value = 0x07ff;
nvkm_debug(subdev, "config for sensor id %i: 0x%x\n", sensor->id, value);
nv_wr16i2cr(sensor->i2c, sensor->addr, 0x00, value);
}
static void
nvkm_iccsense_ina3221_config(struct nvkm_iccsense *iccsense,
struct nvkm_iccsense_sensor *sensor)
{
struct nvkm_subdev *subdev = &iccsense->subdev;
/* configuration:
* 0x0007: 0x0007 shunt and bus continous
* 0x0031: 0x0000 140 us conversion time shunt
* 0x01c0: 0x0000 140 us conversion time bus
* 0x0f00: 0x0f00 1024 samples
* 0x7000: 0x?000 channels
*/
u16 value = 0x0e07;
if (sensor->rail_mask & 0x1)
value |= 0x1 << 14;
if (sensor->rail_mask & 0x2)
value |= 0x1 << 13;
if (sensor->rail_mask & 0x4)
value |= 0x1 << 12;
nvkm_debug(subdev, "config for sensor id %i: 0x%x\n", sensor->id, value);
nv_wr16i2cr(sensor->i2c, sensor->addr, 0x00, value);
}
static void
nvkm_iccsense_sensor_config(struct nvkm_iccsense *iccsense,
struct nvkm_iccsense_sensor *sensor)
{
switch (sensor->type) {
case NVBIOS_EXTDEV_INA209:
case NVBIOS_EXTDEV_INA219:
nvkm_iccsense_ina209_config(iccsense, sensor);
break;
case NVBIOS_EXTDEV_INA3221:
nvkm_iccsense_ina3221_config(iccsense, sensor);
break;
default:
break;
}
}
int
nvkm_iccsense_read_all(struct nvkm_iccsense *iccsense)
{
......@@ -260,8 +317,19 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
return 0;
}
static int
nvkm_iccsense_init(struct nvkm_subdev *subdev)
{
struct nvkm_iccsense *iccsense = nvkm_iccsense(subdev);
struct nvkm_iccsense_sensor *sensor;
list_for_each_entry(sensor, &iccsense->sensors, head)
nvkm_iccsense_sensor_config(iccsense, sensor);
return 0;
}
struct nvkm_subdev_func iccsense_func = {
.oneinit = nvkm_iccsense_oneinit,
.init = nvkm_iccsense_init,
.dtor = nvkm_iccsense_dtor,
};
......
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