3  * This file is part of STM32 DAC driver
17 #include "stm32-dac-core.h"
24  * struct stm32_dac - private data of DAC driver
25  * @common:		reference to DAC common data
33 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_is_enabled()  local
37 	ret = regmap_read(dac->common->regmap, STM32_DAC_CR, &val);  in stm32_dac_is_enabled()
51 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_set_enable_state()  local
56 	ret = regmap_update_bits(dac->common->regmap, STM32_DAC_CR, msk, en);  in stm32_dac_set_enable_state()
68 	if (en && dac->common->hfsel)  in stm32_dac_set_enable_state()
74 static int stm32_dac_get_value(struct stm32_dac *dac, int channel, int *val)  in stm32_dac_get_value()  argument
79 		ret = regmap_read(dac->common->regmap, STM32_DAC_DOR1, val);  in stm32_dac_get_value()
81 		ret = regmap_read(dac->common->regmap, STM32_DAC_DOR2, val);  in stm32_dac_get_value()
86 static int stm32_dac_set_value(struct stm32_dac *dac, int channel, int val)  in stm32_dac_set_value()  argument
91 		ret = regmap_write(dac->common->regmap, STM32_DAC_DHR12R1, val);  in stm32_dac_set_value()
93 		ret = regmap_write(dac->common->regmap, STM32_DAC_DHR12R2, val);  in stm32_dac_set_value()
102 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_read_raw()  local
106 		return stm32_dac_get_value(dac, chan->channel, val);  in stm32_dac_read_raw()
108 		*val = dac->common->vref_mv;  in stm32_dac_read_raw()
120 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_write_raw()  local
124 		return stm32_dac_set_value(dac, chan->channel, val);  in stm32_dac_write_raw()
134 	struct stm32_dac *dac = iio_priv(indio_dev);  in stm32_dac_debugfs_reg_access()  local
137 		return regmap_write(dac->common->regmap, reg, writeval);  in stm32_dac_debugfs_reg_access()
139 		return regmap_read(dac->common->regmap, reg, readval);  in stm32_dac_debugfs_reg_access()
276 	struct stm32_dac *dac;  in stm32_dac_probe()  local
282 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*dac));  in stm32_dac_probe()
287 	dac = iio_priv(indio_dev);  in stm32_dac_probe()
288 	dac->common = dev_get_drvdata(pdev->dev.parent);  in stm32_dac_probe()
303 	{ .compatible = "st,stm32-dac", },
311 		.name = "stm32-dac",
317 MODULE_ALIAS("platform:stm32-dac");
319 MODULE_DESCRIPTION("STMicroelectronics STM32 DAC driver");