diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c index 03eef9d..55f36f5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c @@ -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, }; |