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drm/nouveau/iccsense: configure sensors like nvidia does 

v2: rename ina209/ina219 read function

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Karol Herbst 2016-03-28 14:24:32 +02:00 committed by Ben Skeggs
parent 5f1f07de41
commit 2e9a43f901
1 changed files with 68 additions and 0 deletions
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68
drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
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@ -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,
};