30 static int check_channel(struct udevice *dev, int value, bool number_or_mask,  in check_channel()  argument
33 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in check_channel()
45 	       __FILE__, caller_function, dev->name);  in check_channel()
51 static int adc_supply_enable(struct udevice *dev)  in adc_supply_enable()  argument
53 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_supply_enable()
68 		pr_err("%s: can't enable %s-supply!", dev->name, supply_type);  in adc_supply_enable()
73 static inline int adc_supply_enable(struct udevice *dev) { return 0; }  in adc_supply_enable()  argument
76 int adc_data_mask(struct udevice *dev, unsigned int *data_mask)  in adc_data_mask()  argument
78 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_data_mask()
87 int adc_stop(struct udevice *dev)  in adc_stop()  argument
89 	const struct adc_ops *ops = dev_get_driver_ops(dev);  in adc_stop()
94 	return ops->stop(dev);  in adc_stop()
97 int adc_start_channel(struct udevice *dev, int channel)  in adc_start_channel()  argument
99 	const struct adc_ops *ops = dev_get_driver_ops(dev);  in adc_start_channel()
105 	ret = check_channel(dev, channel, CHECK_NUMBER, __func__);  in adc_start_channel()
109 	ret = adc_supply_enable(dev);  in adc_start_channel()
113 	return ops->start_channel(dev, channel);  in adc_start_channel()
116 int adc_start_channels(struct udevice *dev, unsigned int channel_mask)  in adc_start_channels()  argument
118 	const struct adc_ops *ops = dev_get_driver_ops(dev);  in adc_start_channels()
124 	ret = check_channel(dev, channel_mask, CHECK_MASK, __func__);  in adc_start_channels()
128 	ret = adc_supply_enable(dev);  in adc_start_channels()
132 	return ops->start_channels(dev, channel_mask);  in adc_start_channels()
135 int adc_channel_data(struct udevice *dev, int channel, unsigned int *data)  in adc_channel_data()  argument
137 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_channel_data()
138 	const struct adc_ops *ops = dev_get_driver_ops(dev);  in adc_channel_data()
145 	ret = check_channel(dev, channel, CHECK_NUMBER, __func__);  in adc_channel_data()
150 		ret = ops->channel_data(dev, channel, data);  in adc_channel_data()
161 int adc_channels_data(struct udevice *dev, unsigned int channel_mask,  in adc_channels_data()  argument
164 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_channels_data()
166 	const struct adc_ops *ops = dev_get_driver_ops(dev);  in adc_channels_data()
172 	ret = check_channel(dev, channel_mask, CHECK_MASK, __func__);  in adc_channels_data()
177 		ret = ops->channels_data(dev, channel_mask, channels);  in adc_channels_data()
190 	struct udevice *dev;  in adc_channel_single_shot()  local
193 	ret = uclass_get_device_by_name(UCLASS_ADC, name, &dev);  in adc_channel_single_shot()
197 	ret = adc_start_channel(dev, channel);  in adc_channel_single_shot()
201 	ret = adc_channel_data(dev, channel, data);  in adc_channel_single_shot()
208 static int _adc_channels_single_shot(struct udevice *dev,  in _adc_channels_single_shot()  argument
220 		ret = adc_start_channel(dev, channel);  in _adc_channels_single_shot()
224 		ret = adc_channel_data(dev, channel, &data);  in _adc_channels_single_shot()
239 	struct udevice *dev;  in adc_channels_single_shot()  local
242 	ret = uclass_get_device_by_name(UCLASS_ADC, name, &dev);  in adc_channels_single_shot()
246 	ret = adc_start_channels(dev, channel_mask);  in adc_channels_single_shot()
250 	ret = adc_channels_data(dev, channel_mask, channels);  in adc_channels_single_shot()
260 	return _adc_channels_single_shot(dev, channel_mask, channels);  in adc_channels_single_shot()
264 static int adc_vdd_platdata_update(struct udevice *dev)  in adc_vdd_platdata_update()  argument
266 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vdd_platdata_update()
275 	ret = device_get_supply_regulator(dev, "vdd-supply",  in adc_vdd_platdata_update()
289 static inline int adc_vdd_platdata_update(struct udevice *dev) { return 0; }  in adc_vdd_platdata_update()  argument
293 static int adc_vss_platdata_update(struct udevice *dev)  in adc_vss_platdata_update()  argument
295 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vss_platdata_update()
298 	ret = device_get_supply_regulator(dev, "vss-supply",  in adc_vss_platdata_update()
312 static inline int adc_vss_platdata_update(struct udevice *dev) { return 0; }  in adc_vss_platdata_update()  argument
315 int adc_vdd_value(struct udevice *dev, int *uV)  in adc_vdd_value()  argument
317 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vdd_value()
324 	ret = adc_vdd_platdata_update(dev);  in adc_vdd_value()
336 int adc_vss_value(struct udevice *dev, int *uV)  in adc_vss_value()  argument
338 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vss_value()
345 	ret = adc_vss_platdata_update(dev);  in adc_vss_value()
357 static int adc_vdd_platdata_set(struct udevice *dev)  in adc_vdd_platdata_set()  argument
359 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vdd_platdata_set()
364 	uc_pdata->vdd_polarity_negative = dev_read_bool(dev, prop);  in adc_vdd_platdata_set()
366 	ret = adc_vdd_platdata_update(dev);  in adc_vdd_platdata_set()
372 	uc_pdata->vdd_microvolts = dev_read_u32_default(dev, prop, -ENODATA);  in adc_vdd_platdata_set()
377 static int adc_vss_platdata_set(struct udevice *dev)  in adc_vss_platdata_set()  argument
379 	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);  in adc_vss_platdata_set()
384 	uc_pdata->vss_polarity_negative = dev_read_bool(dev, prop);  in adc_vss_platdata_set()
386 	ret = adc_vss_platdata_update(dev);  in adc_vss_platdata_set()
392 	uc_pdata->vss_microvolts = dev_read_u32_default(dev, prop, -ENODATA);  in adc_vss_platdata_set()
397 static int adc_pre_probe(struct udevice *dev)  in adc_pre_probe()  argument
402 	ret = adc_vdd_platdata_set(dev);  in adc_pre_probe()
404 		pr_err("%s: Can't update Vdd. Error: %d", dev->name, ret);  in adc_pre_probe()
407 	ret = adc_vss_platdata_set(dev);  in adc_pre_probe()
409 		pr_err("%s: Can't update Vss. Error: %d", dev->name, ret);  in adc_pre_probe()