1, 2, 4, 8, 16, 32, 64, 128,
};
+static const struct iio_chan_spec ad7605_channels[] = {
+ IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD7605_CHANNEL(0),
+ AD7605_CHANNEL(1),
+ AD7605_CHANNEL(2),
+ AD7605_CHANNEL(3),
+};
+
+static const struct iio_chan_spec ad7606_channels_16bit[] = {
+ IIO_CHAN_SOFT_TIMESTAMP(8),
+ AD7606_CHANNEL(0, 16),
+ AD7606_CHANNEL(1, 16),
+ AD7606_CHANNEL(2, 16),
+ AD7606_CHANNEL(3, 16),
+ AD7606_CHANNEL(4, 16),
+ AD7606_CHANNEL(5, 16),
+ AD7606_CHANNEL(6, 16),
+ AD7606_CHANNEL(7, 16),
+};
+
+static const struct iio_chan_spec ad7606_channels_18bit[] = {
+ IIO_CHAN_SOFT_TIMESTAMP(8),
+ AD7606_CHANNEL(0, 18),
+ AD7606_CHANNEL(1, 18),
+ AD7606_CHANNEL(2, 18),
+ AD7606_CHANNEL(3, 18),
+ AD7606_CHANNEL(4, 18),
+ AD7606_CHANNEL(5, 18),
+ AD7606_CHANNEL(6, 18),
+ AD7606_CHANNEL(7, 18),
+};
+
+/*
+ * The current assumption that this driver makes for AD7616, is that it's
+ * working in Hardware Mode with Serial, Burst and Sequencer modes activated.
+ * To activate them, following pins must be pulled high:
+ * -SER/PAR
+ * -SEQEN
+ * And following pins must be pulled low:
+ * -WR/BURST
+ * -DB4/SER1W
+ */
+static const struct iio_chan_spec ad7616_channels[] = {
+ IIO_CHAN_SOFT_TIMESTAMP(16),
+ AD7606_CHANNEL(0, 16),
+ AD7606_CHANNEL(1, 16),
+ AD7606_CHANNEL(2, 16),
+ AD7606_CHANNEL(3, 16),
+ AD7606_CHANNEL(4, 16),
+ AD7606_CHANNEL(5, 16),
+ AD7606_CHANNEL(6, 16),
+ AD7606_CHANNEL(7, 16),
+ AD7606_CHANNEL(8, 16),
+ AD7606_CHANNEL(9, 16),
+ AD7606_CHANNEL(10, 16),
+ AD7606_CHANNEL(11, 16),
+ AD7606_CHANNEL(12, 16),
+ AD7606_CHANNEL(13, 16),
+ AD7606_CHANNEL(14, 16),
+ AD7606_CHANNEL(15, 16),
+};
+
+static int ad7606c_18bit_chan_scale_setup(struct ad7606_state *st,
+ struct iio_chan_spec *chan, int ch);
+static int ad7606c_16bit_chan_scale_setup(struct ad7606_state *st,
+ struct iio_chan_spec *chan, int ch);
+static int ad7606_16bit_chan_scale_setup(struct ad7606_state *st,
+ struct iio_chan_spec *chan, int ch);
+
+const struct ad7606_chip_info ad7605_4_info = {
+ .channels = ad7605_channels,
+ .name = "ad7605-4",
+ .num_channels = 5,
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7605_4_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606_8_info = {
+ .channels = ad7606_channels_16bit,
+ .name = "ad7606-8",
+ .num_channels = 9,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606_8_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606_6_info = {
+ .channels = ad7606_channels_16bit,
+ .name = "ad7606-6",
+ .num_channels = 7,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606_6_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606_4_info = {
+ .channels = ad7606_channels_16bit,
+ .name = "ad7606-4",
+ .num_channels = 5,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606_4_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606b_info = {
+ .channels = ad7606_channels_16bit,
+ .name = "ad7606b",
+ .num_channels = 9,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606b_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606c_16_info = {
+ .channels = ad7606_channels_16bit,
+ .name = "ad7606c16",
+ .num_channels = 9,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606c_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606c_16_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7606c_18_info = {
+ .channels = ad7606_channels_18bit,
+ .name = "ad7606c18",
+ .num_channels = 9,
+ .oversampling_avail = ad7606_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
+ .scale_setup_cb = ad7606c_18bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7606c_18_info, IIO_AD7606);
+
+const struct ad7606_chip_info ad7616_info = {
+ .channels = ad7616_channels,
+ .init_delay_ms = 15,
+ .name = "ad7616",
+ .num_channels = 17,
+ .oversampling_avail = ad7616_oversampling_avail,
+ .oversampling_num = ARRAY_SIZE(ad7616_oversampling_avail),
+ .os_req_reset = true,
+ .scale_setup_cb = ad7606_16bit_chan_scale_setup,
+};
+EXPORT_SYMBOL_NS_GPL(ad7616_info, IIO_AD7606);
+
int ad7606_reset(struct ad7606_state *st)
{
if (st->gpio_reset) {
.attrs = ad7606_attributes_range,
};
-static const struct iio_chan_spec ad7605_channels[] = {
- IIO_CHAN_SOFT_TIMESTAMP(4),
- AD7605_CHANNEL(0),
- AD7605_CHANNEL(1),
- AD7605_CHANNEL(2),
- AD7605_CHANNEL(3),
-};
-
-static const struct iio_chan_spec ad7606_channels_16bit[] = {
- IIO_CHAN_SOFT_TIMESTAMP(8),
- AD7606_CHANNEL(0, 16),
- AD7606_CHANNEL(1, 16),
- AD7606_CHANNEL(2, 16),
- AD7606_CHANNEL(3, 16),
- AD7606_CHANNEL(4, 16),
- AD7606_CHANNEL(5, 16),
- AD7606_CHANNEL(6, 16),
- AD7606_CHANNEL(7, 16),
-};
-
-static const struct iio_chan_spec ad7606_channels_18bit[] = {
- IIO_CHAN_SOFT_TIMESTAMP(8),
- AD7606_CHANNEL(0, 18),
- AD7606_CHANNEL(1, 18),
- AD7606_CHANNEL(2, 18),
- AD7606_CHANNEL(3, 18),
- AD7606_CHANNEL(4, 18),
- AD7606_CHANNEL(5, 18),
- AD7606_CHANNEL(6, 18),
- AD7606_CHANNEL(7, 18),
-};
-
-/*
- * The current assumption that this driver makes for AD7616, is that it's
- * working in Hardware Mode with Serial, Burst and Sequencer modes activated.
- * To activate them, following pins must be pulled high:
- * -SER/PAR
- * -SEQEN
- * And following pins must be pulled low:
- * -WR/BURST
- * -DB4/SER1W
- */
-static const struct iio_chan_spec ad7616_channels[] = {
- IIO_CHAN_SOFT_TIMESTAMP(16),
- AD7606_CHANNEL(0, 16),
- AD7606_CHANNEL(1, 16),
- AD7606_CHANNEL(2, 16),
- AD7606_CHANNEL(3, 16),
- AD7606_CHANNEL(4, 16),
- AD7606_CHANNEL(5, 16),
- AD7606_CHANNEL(6, 16),
- AD7606_CHANNEL(7, 16),
- AD7606_CHANNEL(8, 16),
- AD7606_CHANNEL(9, 16),
- AD7606_CHANNEL(10, 16),
- AD7606_CHANNEL(11, 16),
- AD7606_CHANNEL(12, 16),
- AD7606_CHANNEL(13, 16),
- AD7606_CHANNEL(14, 16),
- AD7606_CHANNEL(15, 16),
-};
-
-static const struct ad7606_chip_info ad7606_chip_info_tbl[] = {
- /* More devices added in future */
- [ID_AD7605_4] = {
- .channels = ad7605_channels,
- .num_channels = 5,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- },
- [ID_AD7606_8] = {
- .channels = ad7606_channels_16bit,
- .num_channels = 9,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7606_6] = {
- .channels = ad7606_channels_16bit,
- .num_channels = 7,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7606_4] = {
- .channels = ad7606_channels_16bit,
- .num_channels = 5,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7606B] = {
- .channels = ad7606_channels_16bit,
- .num_channels = 9,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7606C_16] = {
- .channels = ad7606_channels_16bit,
- .num_channels = 9,
- .scale_setup_cb = ad7606c_16bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7606C_18] = {
- .channels = ad7606_channels_18bit,
- .num_channels = 9,
- .scale_setup_cb = ad7606c_18bit_chan_scale_setup,
- .oversampling_avail = ad7606_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail),
- },
- [ID_AD7616] = {
- .channels = ad7616_channels,
- .num_channels = 17,
- .scale_setup_cb = ad7606_16bit_chan_scale_setup,
- .oversampling_avail = ad7616_oversampling_avail,
- .oversampling_num = ARRAY_SIZE(ad7616_oversampling_avail),
- .os_req_reset = true,
- .init_delay_ms = 15,
- },
-};
-
static int ad7606_request_gpios(struct ad7606_state *st)
{
struct device *dev = st->dev;
.validate_device = iio_trigger_validate_own_device,
};
-static int ad7606_sw_mode_setup(struct iio_dev *indio_dev, unsigned int id)
+static int ad7606_sw_mode_setup(struct iio_dev *indio_dev)
{
struct ad7606_state *st = iio_priv(indio_dev);
}
int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
- const char *name, unsigned int id,
+ const struct ad7606_chip_info *chip_info,
const struct ad7606_bus_ops *bops)
{
struct ad7606_state *st;
return dev_err_probe(dev, ret,
"Failed to enable specified AVcc supply\n");
- st->chip_info = &ad7606_chip_info_tbl[id];
+ st->chip_info = chip_info;
if (st->chip_info->oversampling_num) {
st->oversampling_avail = st->chip_info->oversampling_avail;
indio_dev->info = &ad7606_info_no_os_or_range;
}
indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->name = name;
+ indio_dev->name = chip_info->name;
indio_dev->channels = st->chip_info->channels;
indio_dev->num_channels = st->chip_info->num_channels;
st->write_scale = ad7606_write_scale_hw;
st->write_os = ad7606_write_os_hw;
- ret = ad7606_sw_mode_setup(indio_dev, id);
+ ret = ad7606_sw_mode_setup(indio_dev);
if (ret)
return ret;
NULL,
&ad7606_interrupt,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- name, indio_dev);
+ chip_info->name, indio_dev);
if (ret)
return ret;
/**
* struct ad7606_chip_info - chip specific information
* @channels: channel specification
+ * @name device name
* @num_channels: number of channels
* @scale_setup_cb: callback to setup the scales for each channel
* @oversampling_avail pointer to the array which stores the available
*/
struct ad7606_chip_info {
const struct iio_chan_spec *channels;
+ const char *name;
unsigned int num_channels;
ad7606_scale_setup_cb_t scale_setup_cb;
const unsigned int *oversampling_avail;
u16 (*rd_wr_cmd)(int addr, char isWriteOp);
};
+/**
+ * struct ad7606_bus_info - agregate ad7606_chip_info and ad7606_bus_ops
+ * @chip_info entry in the table of chips that describes this device
+ * @bops bus operations (SPI or parallel)
+ */
+struct ad7606_bus_info {
+ const struct ad7606_chip_info *chip_info;
+ const struct ad7606_bus_ops *bops;
+};
+
int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
- const char *name, unsigned int id,
+ const struct ad7606_chip_info *info,
const struct ad7606_bus_ops *bops);
int ad7606_reset(struct ad7606_state *st);
-enum ad7606_supported_device_ids {
- ID_AD7605_4,
- ID_AD7606_8,
- ID_AD7606_6,
- ID_AD7606_4,
- ID_AD7606B,
- ID_AD7606C_16,
- ID_AD7606C_18,
- ID_AD7616,
-};
+extern const struct ad7606_chip_info ad7605_4_info;
+extern const struct ad7606_chip_info ad7606_8_info;
+extern const struct ad7606_chip_info ad7606_6_info;
+extern const struct ad7606_chip_info ad7606_4_info;
+extern const struct ad7606_chip_info ad7606b_info;
+extern const struct ad7606_chip_info ad7606c_16_info;
+extern const struct ad7606_chip_info ad7606c_18_info;
+extern const struct ad7606_chip_info ad7616_info;
#ifdef CONFIG_PM_SLEEP
extern const struct dev_pm_ops ad7606_pm_ops;
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/types.h>
#include <linux/iio/iio.h>
static int ad7606_par_probe(struct platform_device *pdev)
{
- const struct platform_device_id *id = platform_get_device_id(pdev);
+ const struct ad7606_chip_info *chip_info;
+ const struct platform_device_id *id;
struct resource *res;
void __iomem *addr;
resource_size_t remap_size;
int irq;
+ if (dev_fwnode(&pdev->dev)) {
+ chip_info = device_get_match_data(&pdev->dev);
+ } else {
+ id = platform_get_device_id(pdev);
+ chip_info = (const struct ad7606_chip_info *)id->driver_data;
+ }
+
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
remap_size = resource_size(res);
- return ad7606_probe(&pdev->dev, irq, addr,
- id->name, id->driver_data,
+ return ad7606_probe(&pdev->dev, irq, addr, chip_info,
remap_size > 1 ? &ad7606_par16_bops :
&ad7606_par8_bops);
}
static const struct platform_device_id ad7606_driver_ids[] = {
- { .name = "ad7605-4", .driver_data = ID_AD7605_4, },
- { .name = "ad7606-4", .driver_data = ID_AD7606_4, },
- { .name = "ad7606-6", .driver_data = ID_AD7606_6, },
- { .name = "ad7606-8", .driver_data = ID_AD7606_8, },
+ { .name = "ad7605-4", .driver_data = (kernel_ulong_t)&ad7605_4_info, },
+ { .name = "ad7606-4", .driver_data = (kernel_ulong_t)&ad7606_4_info, },
+ { .name = "ad7606-6", .driver_data = (kernel_ulong_t)&ad7606_6_info, },
+ { .name = "ad7606-8", .driver_data = (kernel_ulong_t)&ad7606_8_info, },
{ }
};
MODULE_DEVICE_TABLE(platform, ad7606_driver_ids);
static const struct of_device_id ad7606_of_match[] = {
- { .compatible = "adi,ad7605-4" },
- { .compatible = "adi,ad7606-4" },
- { .compatible = "adi,ad7606-6" },
- { .compatible = "adi,ad7606-8" },
+ { .compatible = "adi,ad7605-4", .data = &ad7605_4_info },
+ { .compatible = "adi,ad7606-4", .data = &ad7606_4_info },
+ { .compatible = "adi,ad7606-6", .data = &ad7606_6_info },
+ { .compatible = "adi,ad7606-8", .data = &ad7606_8_info },
{ }
};
MODULE_DEVICE_TABLE(of, ad7606_of_match);
.sw_mode_config = ad7616_sw_mode_config,
};
-static const struct ad7606_bus_ops ad7606B_spi_bops = {
+static const struct ad7606_bus_ops ad7606b_spi_bops = {
.read_block = ad7606_spi_read_block,
.reg_read = ad7606_spi_reg_read,
.reg_write = ad7606_spi_reg_write,
.sw_mode_config = ad7606c_18_sw_mode_config,
};
+static const struct ad7606_bus_info ad7605_4_bus_info = {
+ .chip_info = &ad7605_4_info,
+ .bops = &ad7606_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606_8_bus_info = {
+ .chip_info = &ad7606_8_info,
+ .bops = &ad7606_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606_6_bus_info = {
+ .chip_info = &ad7606_6_info,
+ .bops = &ad7606_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606_4_bus_info = {
+ .chip_info = &ad7606_4_info,
+ .bops = &ad7606_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606b_bus_info = {
+ .chip_info = &ad7606b_info,
+ .bops = &ad7606b_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606c_16_bus_info = {
+ .chip_info = &ad7606c_16_info,
+ .bops = &ad7606b_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7606c_18_bus_info = {
+ .chip_info = &ad7606c_18_info,
+ .bops = &ad7606c_18_spi_bops,
+};
+
+static const struct ad7606_bus_info ad7616_bus_info = {
+ .chip_info = &ad7616_info,
+ .bops = &ad7616_spi_bops,
+};
+
static int ad7606_spi_probe(struct spi_device *spi)
{
- const struct spi_device_id *id = spi_get_device_id(spi);
- const struct ad7606_bus_ops *bops;
-
- switch (id->driver_data) {
- case ID_AD7616:
- bops = &ad7616_spi_bops;
- break;
- case ID_AD7606B:
- case ID_AD7606C_16:
- bops = &ad7606B_spi_bops;
- break;
- case ID_AD7606C_18:
- bops = &ad7606c_18_spi_bops;
- break;
- default:
- bops = &ad7606_spi_bops;
- break;
- }
+ const struct ad7606_bus_info *bus_info = spi_get_device_match_data(spi);
return ad7606_probe(&spi->dev, spi->irq, NULL,
- id->name, id->driver_data,
- bops);
+ bus_info->chip_info, bus_info->bops);
}
static const struct spi_device_id ad7606_id_table[] = {
- { "ad7605-4", ID_AD7605_4 },
- { "ad7606-4", ID_AD7606_4 },
- { "ad7606-6", ID_AD7606_6 },
- { "ad7606-8", ID_AD7606_8 },
- { "ad7606b", ID_AD7606B },
- { "ad7606c-16", ID_AD7606C_16 },
- { "ad7606c-18", ID_AD7606C_18 },
- { "ad7616", ID_AD7616 },
+ { "ad7605-4", (kernel_ulong_t)&ad7605_4_bus_info },
+ { "ad7606-4", (kernel_ulong_t)&ad7606_4_bus_info },
+ { "ad7606-6", (kernel_ulong_t)&ad7606_6_bus_info },
+ { "ad7606-8", (kernel_ulong_t)&ad7606_8_bus_info },
+ { "ad7606b", (kernel_ulong_t)&ad7606b_bus_info },
+ { "ad7606c-16", (kernel_ulong_t)&ad7606c_16_bus_info },
+ { "ad7606c-18", (kernel_ulong_t)&ad7606c_18_bus_info },
+ { "ad7616", (kernel_ulong_t)&ad7616_bus_info },
{ }
};
MODULE_DEVICE_TABLE(spi, ad7606_id_table);
static const struct of_device_id ad7606_of_match[] = {
- { .compatible = "adi,ad7605-4" },
- { .compatible = "adi,ad7606-4" },
- { .compatible = "adi,ad7606-6" },
- { .compatible = "adi,ad7606-8" },
- { .compatible = "adi,ad7606b" },
- { .compatible = "adi,ad7606c-16" },
- { .compatible = "adi,ad7606c-18" },
- { .compatible = "adi,ad7616" },
+ { .compatible = "adi,ad7605-4", .data = &ad7605_4_bus_info },
+ { .compatible = "adi,ad7606-4", .data = &ad7606_4_bus_info },
+ { .compatible = "adi,ad7606-6", .data = &ad7606_6_bus_info },
+ { .compatible = "adi,ad7606-8", .data = &ad7606_8_bus_info },
+ { .compatible = "adi,ad7606b", .data = &ad7606b_bus_info },
+ { .compatible = "adi,ad7606c-16", .data = &ad7606c_16_bus_info },
+ { .compatible = "adi,ad7606c-18", .data = &ad7606c_18_bus_info },
+ { .compatible = "adi,ad7616", .data = &ad7616_bus_info },
{ }
};
MODULE_DEVICE_TABLE(of, ad7606_of_match);
projects / linux-2.6-microblaze.git / commitdiff