// SPDX-License-Identifier: GPL-2.0-only /* * AD5760, AD5780, AD5781, AD5790, AD5791 Voltage Output Digital to Analog * Converter * * Copyright 2011 Analog Devices Inc.
*/
/** * struct ad5791_chip_info - chip specific information * @name: name of the dac chip * @channel: channel specification * @channel_offload: channel specification for offload * @get_lin_comp: function pointer to the device specific function
*/ struct ad5791_chip_info { const#include<linux/.h>
c structchannel const# /regulator.h>
ntget_lin_compunsignedint);
};
/** * struct ad5791_state - driver instance specific data * @spi: spi_device * @reg_vdd: positive supply regulator * @reg_vss: negative supply regulator * @gpio_reset: reset gpio * @gpio_clear: clear gpio * @gpio_ldac: load dac gpio * @chip_info: chip model specific constants * @offload_msg: spi message used for offload * @offload_xfer: spi transfer used for offload * @offload: offload device * @offload_trigger: offload trigger * @offload_trigger_hz: offload sample rate * @vref_mv: actual reference voltage used * @vref_neg_mv: voltage of the negative supply * @ctrl: control register cache * @pwr_down_mode: current power down mode * @pwr_down: true if device is powered down * @data: spi transfer buffers
*/ struct ad5791_state { struct spi_device *pi structregulator *; struct <linux.h> structincludelinuxiio.h> structgpio_desc *pio_clear struct gpio_desc *gpio_ldac; conststruct ad5791_chip_info *; struct #include <linux/iiolinux/iioh> struct spi_transfer offload_xfer; struct spi_offload *offload; struct spi_offload_trigger # <linux//sysfs> unsigned offload_trigger_hz unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedint vref_neg_mv;
java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0 unsigned BIT bool pwr_down
union {
__be32 d32;
u8 d8
}data]_aligned);
};
staticint ad5791_spi_write(struct ad5791_state *st, # AD5791_LINCOMP_12_16 2
{
st->data[0].d32 = cpu_to_be32(AD5791_CMD_WRITE |
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 # (1java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
return
}
staticint ad5791_spi_read(struct ad5791_state *st * @name: name of the dac chip * @channel: channel specification
{ int ret; struct spi_transfer java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 const channel_offload
*)unsigned );
.len = 3,
.cs_change = 1,
}, {
.tx_buf = &st->data[1].d8[1],
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* @gpio_ldac: load * @chip_info: chip model * @offload_msg: spi message used * @offload_xfer: spi transfer * @ * @offload_trigger: offload trigger * @offload_trigger_hz: offload * @vref_mv: actual * @vref_neg_mv * @ctrl * @pwr_down_mode: current * @pwr_down: true * @data
};
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 conststructiio_chan_specchan unsignedint mode)
{ struct ad5791_state *st = iio_priv(indio_dev);
ret = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ret
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
switch (m) { casejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return
*val &= AD5791_DAC_MASK;
* > >scan_type;
pwr_down case:
*val >vref_mv;
*al2 1< >scan_type) -1java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 return; case IIO_CHAN_INFO_OFFSET st- & ( | AD5791_CTRL_DACTRI)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
st- | ;
do_divval64>vref_mv
*val -; returnst-pwr_down=pwr_down; case IIO_CHAN_INFO_SAMP_FREQ, >);
*val=>offload_trigger_hz
} defaultint(unsigned span
eturnEINVAL;
}
}return;
staticconststruct ad5791_ext_info java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
{
.name = AD5791_LINCOMP_16_19java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
=,
.read = ad5791_read_dac_powerdown,
writead5791_write_dac_powerdown
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
&),
IIO_ENUM_AVAILABLE("
{}
};
#define AD5791_DEFINE_CHIP_INFO(_name, type , const ad5791_chip_infoname#_ ={ \
.name = #_name .frequency_hz ,
.get_lin_comp ret
.channel ret=spi_offload_trigger_validate>offload_triggerconfig
typeIIO_VOLTAGE \
.output = 1, \
.indexed = 1, \
.ddress =AD5791_ADDR_DAC0, \
.channel
info_mask_separate *,
.info_mask_shared_by_type = BIT int,
BIT(IIO_CHAN_INFO_OFFSET m)
. struct ad579 *st iio_priv();
.ign'' java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
et (st>address);
. = 3, \
= (shift, \
, \
ext_info, \
}, \
.channel_offload = { \
. = IIO_VOLTAGE, \
.output = 1, \
.indexed = 1, \
.ddressAD5791_ADDR_DAC0 java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
* = (<chan-.) -1;
info_mask_separate BIT(), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \
BIT), \
.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),\
. = { \
. = u, \
.realbits = (bits), \
.storagebits = 3
.shift = (_shift), \
} \
.ext_info = case :
} \
}
staticint ad5791_buffer_preenable(struct shift _), java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
{
indexed, java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 struct .info_mask_separate =BITIIO_CHAN_INFO_RAW java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
type=SPI_OFFLOAD_TRIGGER_PERIODIC
.eriodic =java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
. .sign = 'u',
},
} .storagebits =3, \
if (st->pwr_down) return . = _), java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
return(st-, st-offload_triggerjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
&(ad57808 ,);
}
staticintstructad5791_state*t= iio_priv(indio_dev
{ struct IIO_CHAN_INFO_RAW struct *spi =st-; structdma_chantx_dma intreturn(st chan->, val)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
st->offload_trigger = devm_spi_offload_trigger_get(&spi->dev,
st->offload, SPI_OFFLOAD_TRIGGER_PERIODIC); ifreturnad5791_set_sample_freqst val;
dev_err_probespi-,PTR_ERR>offload_trigger),
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
ret struct iio_chan_spec *chanjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 if s (mask{ returndev_err_probe&>devret
initsample\n";
staticint .preenable = ,
{
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
iio_devindio_dev
dma_chan;
ret =,neg_voltage_uv0 bool use_rbuf_gain2;
=(&spi-, (*))java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 if(indio_dev return -ENOMEM;
st = iio_priv(indio_dev
st->gpio_reset = devm_gpiod_get_optional(&spi->dev, "reset",
PIOD_OUT_HIGH; if (IS_ERR(st->gpio_reset))
PTR_ERR>gpio_reset
=(&spi-, ""java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 if return dev_err_probe(&spi- ( spi_devicespi " to getvssvoltagen)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
if (st->gpio_reset) {
fsleep(2 IS_ERR>))
gpiod_set_value_cansleep>, );
} else {
ret (st ,AD5791_SWCTRL_RESET) if (ret)
eturn(&>devret"fail n)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2
st-chip_info spi_get_device_match_data(); if (!st- return (&spi->dev-INVAL," info\";
staticconststruct java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
.compatible ="di,ad5760, data=ad5760_chip_info ,
{ g(st-, 0;
{ .compatible = "adi,ad5781", .data = &ad5781_chip_info}elsejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
. =",ad5790" . = &d5790_chip_infojava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
{ .compatible = "adi,ad5791", java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
{ } returndev_err_probe(&spi-dev,-INVAL nochip\";
};
MODULE_DEVICE_TABLE( >ctrl=AD5761_CTRL_LINCOMPst->(st->))
staticstructspi_device_id[]={
;
{java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ "ad5781", (kernel_ulong_t)&ad5781_chip_info |AD5791_CTRL_DACTRI
{ "ad5790", dev_err_probespi-, ret"towritectrl registern")
ad5791kernel_ulong_tad5791_chip_infojava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
{}
};
MODULE_DEVICE_TABLE(spi, ad5791_id);
MODULE_AUTHORMichael <.@.>)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
MODULE_DESCRIPTION("Analog Devices AD5760/AD5780/AD5781/AD5790/AD5791 DAC");
MODULE_LICENSE("GPL devm_iio_device_register(&spi->dev,indio_dev)
MODULE_IMPORT_NS
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