diff options
author | Jonathan Cameron <jic23@cam.ac.uk> | 2011-05-18 14:42:37 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-19 16:15:05 -0700 |
commit | 6fe8135fccd66aedcc55ded70824342587fd2499 (patch) | |
tree | 3afc7acfd0edc052ba93241761e935af9a3b6ebc /drivers/staging/iio/adc | |
parent | a3f02370c9fa6d85fbee2c11649ebc9c84bae919 (diff) |
staging:iio: implement an iio_info structure to take some of the constant elements out of iio_dev.
This was suggested by Arnd Bergmann, Other elements may well
move in here in future, but it definitely makes sense for these.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/adc')
-rw-r--r-- | drivers/staging/iio/adc/ad7150.c | 15 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7152.c | 7 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7291.c | 11 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7298_core.c | 8 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7314.c | 7 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7476_core.c | 8 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7606_core.c | 10 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7745.c | 11 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7780.c | 8 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7816.c | 12 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad7887_core.c | 8 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad799x.h | 3 | ||||
-rw-r--r-- | drivers/staging/iio/adc/ad799x_core.c | 47 | ||||
-rw-r--r-- | drivers/staging/iio/adc/adt7310.c | 12 | ||||
-rw-r--r-- | drivers/staging/iio/adc/adt7410.c | 12 | ||||
-rw-r--r-- | drivers/staging/iio/adc/adt75.c | 12 | ||||
-rw-r--r-- | drivers/staging/iio/adc/max1363.h | 14 | ||||
-rw-r--r-- | drivers/staging/iio/adc/max1363_core.c | 770 |
18 files changed, 542 insertions, 433 deletions
diff --git a/drivers/staging/iio/adc/ad7150.c b/drivers/staging/iio/adc/ad7150.c index e23bb9960019..ca32b6778a9e 100644 --- a/drivers/staging/iio/adc/ad7150.c +++ b/drivers/staging/iio/adc/ad7150.c @@ -700,6 +700,12 @@ static struct attribute_group ad7150_event_attribute_group = { .attrs = ad7150_event_attributes, }; +static const struct iio_info ad7150_info = { + .attrs = &ad7150_attribute_group, + .num_interrupt_lines = 1, + .event_attrs = &ad7150_event_attribute_group, + .driver_module = THIS_MODULE, +}; /* * device probe and remove */ @@ -725,14 +731,13 @@ static int __devinit ad7150_probe(struct i2c_client *client, goto error_free_chip; } - /* Echipabilish that the iio_dev is a child of the i2c device */ + /* Establish that the iio_dev is a child of the i2c device */ chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &ad7150_attribute_group; - chip->indio_dev->event_attrs = &ad7150_event_attribute_group; + + chip->indio_dev->info = &ad7150_info; chip->indio_dev->dev_data = (void *)(chip); - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = 1; + chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/ad7152.c b/drivers/staging/iio/adc/ad7152.c index e53e3e9e586d..7a38bcbbe1af 100644 --- a/drivers/staging/iio/adc/ad7152.c +++ b/drivers/staging/iio/adc/ad7152.c @@ -497,6 +497,10 @@ static const struct attribute_group ad7152_attribute_group = { .attrs = ad7152_attributes, }; +static const struct iio_info ad7152_info = { + .attrs = &ad7152_attribute_group, + .driver_module = THIS_MODULE, +}; /* * device probe and remove */ @@ -525,9 +529,8 @@ static int __devinit ad7152_probe(struct i2c_client *client, /* Echipabilish that the iio_dev is a child of the i2c device */ chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &ad7152_attribute_group; + chip->indio_dev->info = &ad7152_info; chip->indio_dev->dev_data = (void *)(chip); - chip->indio_dev->driver_module = THIS_MODULE; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 0e4c7283bb07..1be3453479b7 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -778,6 +778,12 @@ static struct attribute_group ad7291_event_attribute_group = { .attrs = ad7291_event_attributes, }; +static const struct iio_info ad7291_info = { + .attrs = &ad7291_attribute_group, + .num_interrupt_lines = 1, + .event_attrs = &ad7291_event_attribute_group, +}; + /* * device probe and remove */ @@ -807,11 +813,8 @@ static int __devinit ad7291_probe(struct i2c_client *client, chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &ad7291_attribute_group; - chip->indio_dev->event_attrs = &ad7291_event_attribute_group; + chip->indio_dev->info = &ad7291_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = 1; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/ad7298_core.c b/drivers/staging/iio/adc/ad7298_core.c index 83b3d158353f..b8e4ae29b0b5 100644 --- a/drivers/staging/iio/adc/ad7298_core.c +++ b/drivers/staging/iio/adc/ad7298_core.c @@ -156,6 +156,11 @@ static int ad7298_read_raw(struct iio_dev *dev_info, return -EINVAL; } +static const struct iio_info ad7298_info = { + .read_raw = &ad7298_read_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit ad7298_probe(struct spi_device *spi) { struct ad7298_platform_data *pdata = spi->dev.platform_data; @@ -181,11 +186,10 @@ static int __devinit ad7298_probe(struct spi_device *spi) indio_dev->name = spi_get_device_id(spi)->name; indio_dev->dev.parent = &spi->dev; - indio_dev->driver_module = THIS_MODULE; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = ad7298_channels; indio_dev->num_channels = ARRAY_SIZE(ad7298_channels); - indio_dev->read_raw = &ad7298_read_raw; + indio_dev->info = &ad7298_info; /* Setup default message */ diff --git a/drivers/staging/iio/adc/ad7314.c b/drivers/staging/iio/adc/ad7314.c index a1f1b4379c66..98bb16fcff26 100644 --- a/drivers/staging/iio/adc/ad7314.c +++ b/drivers/staging/iio/adc/ad7314.c @@ -191,6 +191,10 @@ static const struct attribute_group ad7314_attribute_group = { .attrs = ad7314_attributes, }; +static const struct iio_info ad7314_info = { + .attrs = &ad7314_attribute_group, + .driver_module = THIS_MODULE, +}; /* * device probe and remove */ @@ -218,9 +222,8 @@ static int __devinit ad7314_probe(struct spi_device *spi_dev) chip->indio_dev->name = spi_get_device_id(spi_dev)->name; chip->indio_dev->dev.parent = &spi_dev->dev; - chip->indio_dev->attrs = &ad7314_attribute_group; + chip->indio_dev->info = &ad7314_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; ret = iio_device_register(chip->indio_dev); if (ret) diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c index 5b41e0101e55..50cedb422839 100644 --- a/drivers/staging/iio/adc/ad7476_core.c +++ b/drivers/staging/iio/adc/ad7476_core.c @@ -118,6 +118,11 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { }, }; +static const struct iio_info ad7476_info = { + .driver_module = THIS_MODULE, + .read_raw = &ad7476_read_raw, +}; + static int __devinit ad7476_probe(struct spi_device *spi) { struct ad7476_platform_data *pdata = spi->dev.platform_data; @@ -165,11 +170,10 @@ static int __devinit ad7476_probe(struct spi_device *spi) st->indio_dev->dev.parent = &spi->dev; st->indio_dev->name = spi_get_device_id(spi)->name; st->indio_dev->dev_data = (void *)(st); - st->indio_dev->driver_module = THIS_MODULE; st->indio_dev->modes = INDIO_DIRECT_MODE; st->indio_dev->channels = st->chip_info->channel; st->indio_dev->num_channels = 2; - st->indio_dev->read_raw = &ad7476_read_raw; + st->indio_dev->info = &ad7476_info; /* Setup default message */ st->xfer.rx_buf = &st->data; diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index fb96802819fc..459371ae4dcc 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -426,6 +426,12 @@ static irqreturn_t ad7606_interrupt(int irq, void *dev_id) return IRQ_HANDLED; }; +static const struct iio_info ad7606_info = { + .driver_module = THIS_MODULE, + .read_raw = &ad7606_read_raw, + .attrs = &ad7606_attribute_group, +}; + struct iio_dev *ad7606_probe(struct device *dev, int irq, void __iomem *base_address, unsigned id, @@ -470,13 +476,11 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq, st->chip_info = &ad7606_chip_info_tbl[id]; indio_dev->dev.parent = dev; - indio_dev->attrs = &ad7606_attribute_group; - indio_dev->driver_module = THIS_MODULE; + indio_dev->info = &ad7606_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->name = st->chip_info->name; indio_dev->channels = st->chip_info->channels; indio_dev->num_channels = st->chip_info->num_channels; - indio_dev->read_raw = &ad7606_read_raw; init_waitqueue_head(&st->wq_data_avail); diff --git a/drivers/staging/iio/adc/ad7745.c b/drivers/staging/iio/adc/ad7745.c index 98b510dcecc8..1944223ef163 100644 --- a/drivers/staging/iio/adc/ad7745.c +++ b/drivers/staging/iio/adc/ad7745.c @@ -565,6 +565,12 @@ static struct attribute_group ad774x_event_attribute_group = { .attrs = ad774x_event_attributes, }; +static const struct iio_info ad774x_info = { + .attrs = &ad774x_event_attribute_group, + .event_attrs = &ad774x_event_attribute_group, + .num_interrupt_lines = 1, + .driver_module = THIS_MODULE, +}; /* * device probe and remove */ @@ -593,11 +599,8 @@ static int __devinit ad774x_probe(struct i2c_client *client, /* Establish that the iio_dev is a child of the i2c device */ chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &ad774x_attribute_group; - chip->indio_dev->event_attrs = &ad774x_event_attribute_group; + chip->indio_dev->info = &ad774x_info; chip->indio_dev->dev_data = (void *)(chip); - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = 1; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 713e202b9395..e0c7b6cc05c7 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -151,6 +151,11 @@ static irqreturn_t ad7780_interrupt(int irq, void *dev_id) return IRQ_HANDLED; }; +static const struct iio_info ad7780_info = { + .read_raw = &ad7780_read_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit ad7780_probe(struct spi_device *spi) { struct ad7780_platform_data *pdata = spi->dev.platform_data; @@ -195,11 +200,10 @@ static int __devinit ad7780_probe(struct spi_device *spi) indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; - indio_dev->driver_module = THIS_MODULE; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; - indio_dev->read_raw = &ad7780_read_raw; + indio_dev->info = &ad7780_info; init_waitqueue_head(&st->wq_data_avail); diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 873fe2bf8312..11379e469b07 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -331,6 +331,13 @@ static struct attribute_group ad7816_event_attribute_group = { .attrs = ad7816_event_attributes, }; +static const struct iio_info ad7816_info = { + .attrs = &ad7816_attribute_group, + .num_interrupt_lines = 1, + .event_attrs = &ad7816_event_attribute_group, + .driver_module = THIS_MODULE, +}; + /* * device probe and remove */ @@ -391,11 +398,8 @@ static int __devinit ad7816_probe(struct spi_device *spi_dev) } chip->indio_dev->name = spi_get_device_id(spi_dev)->name; chip->indio_dev->dev.parent = &spi_dev->dev; - chip->indio_dev->attrs = &ad7816_attribute_group; - chip->indio_dev->event_attrs = &ad7816_event_attribute_group; + chip->indio_dev->info = &ad7816_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = 1; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c index 6773fe1bf059..de14b174cef7 100644 --- a/drivers/staging/iio/adc/ad7887_core.c +++ b/drivers/staging/iio/adc/ad7887_core.c @@ -83,6 +83,11 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { }, }; +static const struct iio_info ad7887_info = { + .read_raw = &ad7887_read_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit ad7887_probe(struct spi_device *spi) { struct ad7887_platform_data *pdata = spi->dev.platform_data; @@ -114,8 +119,7 @@ static int __devinit ad7887_probe(struct spi_device *spi) indio_dev->dev.parent = &spi->dev; indio_dev->name = spi_get_device_id(spi)->name; indio_dev->dev_data = (void *)(st); - indio_dev->read_raw = &ad7887_read_raw; - indio_dev->driver_module = THIS_MODULE; + indio_dev->info = &ad7887_info; indio_dev->modes = INDIO_DIRECT_MODE; /* Setup default message */ diff --git a/drivers/staging/iio/adc/ad799x.h b/drivers/staging/iio/adc/ad799x.h index 0a8d6e21c00b..0dc9b4c73a33 100644 --- a/drivers/staging/iio/adc/ad799x.h +++ b/drivers/staging/iio/adc/ad799x.h @@ -97,9 +97,8 @@ struct ad799x_chip_info { struct iio_chan_spec channel[9]; int num_channels; u16 int_vref_mv; - bool monitor_mode; u16 default_config; - struct attribute_group *event_attrs; + const struct iio_info *info; }; struct ad799x_state { diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index a105910bd71d..29bfbcf82064 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -459,6 +459,25 @@ static struct attribute_group ad7992_event_attrs_group = { .attrs = ad7992_event_attributes, }; +static const struct iio_info ad7991_info = { + .read_raw = &ad799x_read_raw, + .driver_module = THIS_MODULE, +}; + +static const struct iio_info ad7992_info = { + .read_raw = &ad799x_read_raw, + .num_interrupt_lines = 1, + .event_attrs = &ad7992_event_attrs_group, + .driver_module = THIS_MODULE, +}; + +static const struct iio_info ad7993_4_7_8_info = { + .read_raw = &ad799x_read_raw, + .num_interrupt_lines = 1, + .event_attrs = &ad7993_4_7_8_event_attrs_group, + .driver_module = THIS_MODULE, +}; + static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { [ad7991] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -476,6 +495,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4), .num_channels = 5, .int_vref_mv = 4096, + .info = &ad7991_info, }, [ad7995] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -493,6 +513,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4), .num_channels = 5, .int_vref_mv = 1024, + .info = &ad7991_info, }, [ad7999] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -510,6 +531,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4), .num_channels = 5, .int_vref_mv = 1024, + .info = &ad7991_info, }, [ad7992] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -521,9 +543,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2), .num_channels = 3, .int_vref_mv = 4096, - .monitor_mode = true, .default_config = AD7998_ALERT_EN, - .event_attrs = &ad7992_event_attrs_group, + .info = &ad7992_info, }, [ad7993] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -541,9 +562,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4), .num_channels = 5, .int_vref_mv = 1024, - .monitor_mode = true, .default_config = AD7998_ALERT_EN, - .event_attrs = &ad7993_4_7_8_event_attrs_group, + .info = &ad7993_4_7_8_info, }, [ad7994] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -561,9 +581,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[4] = IIO_CHAN_SOFT_TIMESTAMP(4), .num_channels = 5, .int_vref_mv = 4096, - .monitor_mode = true, .default_config = AD7998_ALERT_EN, - .event_attrs = &ad7993_4_7_8_event_attrs_group, + .info = &ad7993_4_7_8_info, }, [ad7997] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -593,9 +612,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[8] = IIO_CHAN_SOFT_TIMESTAMP(8), .num_channels = 9, .int_vref_mv = 1024, - .monitor_mode = true, .default_config = AD7998_ALERT_EN, - .event_attrs = &ad7993_4_7_8_event_attrs_group, + .info = &ad7993_4_7_8_info, }, [ad7998] = { .channel[0] = IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 0, 0, @@ -625,9 +643,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = { .channel[8] = IIO_CHAN_SOFT_TIMESTAMP(8), .num_channels = 9, .int_vref_mv = 4096, - .monitor_mode = true, .default_config = AD7998_ALERT_EN, - .event_attrs = &ad7993_4_7_8_event_attrs_group, + .info = &ad7993_4_7_8_info, }, }; @@ -667,15 +684,13 @@ static int __devinit ad799x_probe(struct i2c_client *client, indio_dev->dev.parent = &client->dev; indio_dev->name = id->name; - indio_dev->event_attrs = st->chip_info->event_attrs; + indio_dev->info = st->chip_info->info; indio_dev->name = id->name; indio_dev->dev_data = (void *)(st); - indio_dev->driver_module = THIS_MODULE; + indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->num_interrupt_lines = 1; indio_dev->channels = st->chip_info->channel; indio_dev->num_channels = st->chip_info->num_channels; - indio_dev->read_raw = &ad799x_read_raw; ret = ad799x_register_ring_funcs_and_init(indio_dev); if (ret) @@ -692,7 +707,7 @@ static int __devinit ad799x_probe(struct i2c_client *client, if (ret) goto error_cleanup_ring; - if (client->irq > 0 && st->chip_info->monitor_mode) { + if (client->irq > 0) { ret = request_threaded_irq(client->irq, NULL, ad799x_event_handler, @@ -727,7 +742,7 @@ static __devexit int ad799x_remove(struct i2c_client *client) struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ad799x_state *st = iio_priv(indio_dev); - if (client->irq > 0 && st->chip_info->monitor_mode) + if (client->irq > 0) free_irq(client->irq, indio_dev); iio_ring_buffer_unregister(indio_dev->ring); diff --git a/drivers/staging/iio/adc/adt7310.c b/drivers/staging/iio/adc/adt7310.c index e405fc311d4d..68eca0b99ac0 100644 --- a/drivers/staging/iio/adc/adt7310.c +++ b/drivers/staging/iio/adc/adt7310.c @@ -746,6 +746,13 @@ static struct attribute_group adt7310_event_attribute_group[ADT7310_IRQS] = { } }; +static const struct iio_info adt7310_info = { + .attrs = &adt7310_attribute_group, + .num_interrupt_lines = ADT7310_IRQS, + .event_attrs = adt7310_event_attribute_group, + .driver_module = THIS_MODULE, +}; + /* * device probe and remove */ @@ -775,11 +782,8 @@ static int __devinit adt7310_probe(struct spi_device *spi_dev) chip->indio_dev->dev.parent = &spi_dev->dev; chip->indio_dev->name = spi_get_device_id(spi_dev)->name; - chip->indio_dev->attrs = &adt7310_attribute_group; - chip->indio_dev->event_attrs = adt7310_event_attribute_group; + chip->indio_dev->info = &adt7310_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = ADT7310_IRQS; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c index 85b5c1acc631..c40a84f9c2ff 100644 --- a/drivers/staging/iio/adc/adt7410.c +++ b/drivers/staging/iio/adc/adt7410.c @@ -713,6 +713,13 @@ static struct attribute_group adt7410_event_attribute_group[ADT7410_IRQS] = { } }; +static const struct iio_info adt7410_info = { + .attrs = &adt7410_attribute_group, + .num_interrupt_lines = ADT7410_IRQS, + .event_attrs = adt7410_event_attribute_group, + .driver_module = THIS_MODULE, +}; + /* * device probe and remove */ @@ -741,11 +748,8 @@ static int __devinit adt7410_probe(struct i2c_client *client, } chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &adt7410_attribute_group; - chip->indio_dev->event_attrs = adt7410_event_attribute_group; + chip->indio_dev->info = &adt7410_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = ADT7410_IRQS; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/adt75.c b/drivers/staging/iio/adc/adt75.c index 2a44428a1075..1171fb9c178f 100644 --- a/drivers/staging/iio/adc/adt75.c +++ b/drivers/staging/iio/adc/adt75.c @@ -534,6 +534,13 @@ static struct attribute_group adt75_event_attribute_group = { .attrs = adt75_event_attributes, }; +static const struct iio_info adt75_info = { + .attrs = &adt75_attribute_group, + .num_interrupt_lines = 1, + .event_attrs = &adt75_event_attribute_group, + .driver_module = THIS_MODULE, +}; + /* * device probe and remove */ @@ -562,11 +569,8 @@ static int __devinit adt75_probe(struct i2c_client *client, chip->indio_dev->name = id->name; chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->attrs = &adt75_attribute_group; - chip->indio_dev->event_attrs = &adt75_event_attribute_group; + chip->indio_dev->info = &adt75_info; chip->indio_dev->dev_data = (void *)chip; - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->num_interrupt_lines = 1; chip->indio_dev->modes = INDIO_DIRECT_MODE; ret = iio_device_register(chip->indio_dev); diff --git a/drivers/staging/iio/adc/max1363.h b/drivers/staging/iio/adc/max1363.h index 15227bd571dc..5243b5a3f9a5 100644 --- a/drivers/staging/iio/adc/max1363.h +++ b/drivers/staging/iio/adc/max1363.h @@ -154,7 +154,7 @@ enum max1363_modes { * @name: indentification string for chip * @bits: accuracy of the adc in bits * @int_vref_mv: the internal reference voltage - * @monitor_mode: whether the chip supports monitor interrupts + * @info: iio core function callbacks structure * @mode_list: array of available scan modes * @num_modes: the number of scan modes available * @default_mode: the scan mode in which the chip starts up @@ -162,14 +162,14 @@ enum max1363_modes { * @num_channels: number of channels */ struct max1363_chip_info { - u8 bits; - u16 int_vref_mv; - bool monitor_mode; - const enum max1363_modes *mode_list; - int num_modes; - enum max1363_modes default_mode; + const struct iio_info *info; struct iio_chan_spec *channels; int num_channels; + const enum max1363_modes *mode_list; + enum max1363_modes default_mode; + u16 int_vref_mv; + u8 num_modes; + u8 bits; }; /** diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index 0c80abb7e753..8d09bf3d450a 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -472,47 +472,409 @@ enum { max1361, max11647 }; +static const int max1363_monitor_speeds[] = { 133000, 665000, 33300, 16600, + 8300, 4200, 2000, 1000 }; + +static ssize_t max1363_monitor_show_freq(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct max1363_state *st = iio_priv(dev_get_drvdata(dev)); + return sprintf(buf, "%d\n", max1363_monitor_speeds[st->monitor_speed]); +} + +static ssize_t max1363_monitor_store_freq(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t len) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct max1363_state *st = iio_priv(indio_dev); + int i, ret; + unsigned long val; + bool found = false; + + ret = strict_strtoul(buf, 10, &val); + if (ret) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(max1363_monitor_speeds); i++) + if (val == max1363_monitor_speeds[i]) { + found = true; + break; + } + if (!found) + return -EINVAL; + + mutex_lock(&indio_dev->mlock); + st->monitor_speed = i; + mutex_unlock(&indio_dev->mlock); + + return 0; +} + +static IIO_DEV_ATTR_SAMP_FREQ(S_IRUGO | S_IWUSR, + max1363_monitor_show_freq, + max1363_monitor_store_freq); + +static IIO_CONST_ATTR(sampling_frequency_available, + "133000 665000 33300 16600 8300 4200 2000 1000"); + +static int max1363_read_thresh(struct iio_dev *indio_dev, + int event_code, + int *val) +{ + struct max1363_state *st = iio_priv(indio_dev); + if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) + *val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; + else + *val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; + return 0; +} + +static int max1363_write_thresh(struct iio_dev *indio_dev, + int event_code, + int val) +{ + struct max1363_state *st = iio_priv(indio_dev); + /* make it handle signed correctly as well */ + switch (st->chip_info->bits) { + case 10: + if (val > 0x3FF) + return -EINVAL; + break; + case 12: + if (val > 0xFFF) + return -EINVAL; + break; + } + + switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { + case IIO_EV_DIR_FALLING: + st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; + break; + case IIO_EV_DIR_RISING: + st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; + break; + } + + return 0; +} + +static irqreturn_t max1363_event_handler(int irq, void *private) +{ + struct iio_dev *indio_dev = private; + struct max1363_state *st = iio_priv(indio_dev); + s64 timestamp = iio_get_time_ns(); + u8 rx; + u8 tx[2] = { st->setupbyte, + MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0 }; + + i2c_master_recv(st->client, &rx, 1); + /* todo - begging for use of for_each_set_bit */ + if (rx & (1 << 0)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_LOW_THRESH(3), + timestamp); + if (rx & (1 << 1)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_HIGH_THRESH(3), + timestamp); + if (rx & (1 << 2)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_LOW_THRESH(2), + timestamp); + if (rx & (1 << 3)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_HIGH_THRESH(2), + timestamp); + if (rx & (1 << 4)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_LOW_THRESH(1), + timestamp); + if (rx & (1 << 5)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_HIGH_THRESH(1), + timestamp); + if (rx & (1 << 6)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_LOW_THRESH(0), + timestamp); + if (rx & (1 << 7)) + iio_push_event(indio_dev, 0, + IIO_EVENT_CODE_IN_HIGH_THRESH(0), + timestamp); + i2c_master_send(st->client, tx, 2); + + return IRQ_HANDLED; +} + +static int max1363_read_event_config(struct iio_dev *indio_dev, + int event_code) +{ + struct max1363_state *st = iio_priv(indio_dev); + + int val; + int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + mutex_lock(&indio_dev->mlock); + if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) + val = (1 << number) & st->mask_low; + else + val = (1 << number) & st->mask_high; + mutex_unlock(&indio_dev->mlock); + + return val; +} + +static int max1363_monitor_mode_update(struct max1363_state *st, int enabled) +{ + u8 *tx_buf; + int ret, i = 3, j; + unsigned long numelements; + int len; + long modemask; + + if (!enabled) { + /* transition to ring capture is not currently supported */ + st->setupbyte &= ~MAX1363_SETUP_MONITOR_SETUP; + st->configbyte &= ~MAX1363_SCAN_MASK; + st->monitor_on = false; + return max1363_write_basic_config(st->client, + st->setupbyte, + st->configbyte); + } + + /* Ensure we are in the relevant mode */ + st->setupbyte |= MAX1363_SETUP_MONITOR_SETUP; + st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK + | MAX1363_SCAN_MASK + | MAX1363_SE_DE_MASK); + st->configbyte |= MAX1363_CONFIG_SCAN_MONITOR_MODE; + if ((st->mask_low | st->mask_high) & 0x0F) { + st->configbyte |= max1363_mode_table[s0to3].conf; + modemask = max1363_mode_table[s0to3].modemask; + } else if ((st->mask_low | st->mask_high) & 0x30) { + st->configbyte |= max1363_mode_table[d0m1to2m3].conf; + modemask = max1363_mode_table[d0m1to2m3].modemask; + } else { + st->configbyte |= max1363_mode_table[d1m0to3m2].conf; + modemask = max1363_mode_table[d1m0to3m2].modemask; + } + numelements = hweight_long(modemask); + len = 3 * numelements + 3; + tx_buf = kmalloc(len, GFP_KERNEL); + if (!tx_buf) { + ret = -ENOMEM; + goto error_ret; + } + tx_buf[0] = st->configbyte; + tx_buf[1] = st->setupbyte; + tx_buf[2] = (st->monitor_speed << 1); + + /* + * So we need to do yet another bit of nefarious scan mode + * setup to match what we need. + */ + for (j = 0; j < 8; j++) + if (modemask & (1 << j)) { + /* Establish the mode is in the scan */ + if (st->mask_low & (1 << j)) { + tx_buf[i] = (st->thresh_low[j] >> 4) & 0xFF; + tx_buf[i + 1] = (st->thresh_low[j] << 4) & 0xF0; + } else if (j < 4) { + tx_buf[i] = 0; + tx_buf[i + 1] = 0; + } else { + tx_buf[i] = 0x80; + tx_buf[i + 1] = 0; + } + if (st->mask_high & (1 << j)) { + tx_buf[i + 1] |= + (st->thresh_high[j] >> 8) & 0x0F; + tx_buf[i + 2] = st->thresh_high[j] & 0xFF; + } else if (j < 4) { + tx_buf[i + 1] |= 0x0F; + tx_buf[i + 2] = 0xFF; + } else { + tx_buf[i + 1] |= 0x07; + tx_buf[i + 2] = 0xFF; + } + i += 3; + } + + + ret = i2c_master_send(st->client, tx_buf, len); + if (ret < 0) + goto error_ret; + if (ret != len) { + ret = -EIO; + goto error_ret; + } + + /* + * Now that we hopefully have sensible thresholds in place it is + * time to turn the interrupts on. + * It is unclear from the data sheet if this should be necessary + * (i.e. whether monitor mode setup is atomic) but it appears to + * be in practice. + */ + tx_buf[0] = st->setupbyte; + tx_buf[1] = MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0; + ret = i2c_master_send(st->client, tx_buf, 2); + if (ret < 0) + goto error_ret; + if (ret != 2) { + ret = -EIO; + goto error_ret; + } + ret = 0; + st->monitor_on = true; +error_ret: + + kfree(tx_buf); + + return ret; +} + +/* + * To keep this manageable we always use one of 3 scan modes. + * Scan 0...3, 0-1,2-3 and 1-0,3-2 + */ + +static inline int __max1363_check_event_mask(int thismask, int checkmask) +{ + int ret = 0; + /* Is it unipolar */ + if (thismask < 4) { + if (checkmask & ~0x0F) { + ret = -EBUSY; + goto error_ret; + } + } else if (thismask < 6) { + if (checkmask & ~0x30) { + ret = -EBUSY; + goto error_ret; + } + } else if (checkmask & ~0xC0) + ret = -EBUSY; +error_ret: + return ret; +} + +static int max1363_write_event_config(struct iio_dev *indio_dev, + int event_code, + int state) +{ + int ret = 0; + struct max1363_state *st = iio_priv(indio_dev); + u16 unifiedmask; + int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); + + mutex_lock(&indio_dev->mlock); + unifiedmask = st->mask_low | st->mask_high; + if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) { + + if (state == 0) + st->mask_low &= ~(1 << number); + else { + ret = __max1363_check_event_mask((1 << number), + unifiedmask); + if (ret) + goto error_ret; + st->mask_low |= (1 << number); + } + } else { + if (state == 0) + st->mask_high &= ~(1 << number); + else { + ret = __max1363_check_event_mask((1 << number), + unifiedmask); + if (ret) + goto error_ret; + st->mask_high |= (1 << number); + } + } + + max1363_monitor_mode_update(st, !!(st->mask_high | st->mask_low)); +error_ret: + mutex_unlock(&indio_dev->mlock); + + return ret; +} + +/* + * As with scan_elements, only certain sets of these can + * be combined. + */ +static struct attribute *max1363_event_attributes[] = { + &iio_dev_attr_sampling_frequency.dev_attr.attr, + &iio_const_attr_sampling_frequency_available.dev_attr.attr, + NULL, +}; + +static struct attribute_group max1363_event_attribute_group = { + .attrs = max1363_event_attributes, +}; + +#define MAX1363_EVENT_FUNCS \ + + +static const struct iio_info max1238_info = { + .read_raw = &max1363_read_raw, + .driver_module = THIS_MODULE, +}; + +static const struct iio_info max1363_info = { + .read_event_value = &max1363_read_thresh, + .write_event_value = &max1363_write_thresh, + .read_event_config = &max1363_read_event_config, + .write_event_config = &max1363_write_event_config, + .read_raw = &max1363_read_raw, + .driver_module = THIS_MODULE, + .num_interrupt_lines = 1, + .event_attrs = &max1363_event_attribute_group, +}; + /* max1363 and max1368 tested - rest from data sheet */ static const struct max1363_chip_info max1363_chip_info_tbl[] = { [max1361] = { .bits = 10, .int_vref_mv = 2048, - .monitor_mode = 1, .mode_list = max1363_mode_list, .num_modes = ARRAY_SIZE(max1363_mode_list), .default_mode = s0to3, .channels = max1361_channels, .num_channels = ARRAY_SIZE(max1361_channels), + .info = &max1363_info, }, [max1362] = { .bits = 10, .int_vref_mv = 4096, - .monitor_mode = 1, .mode_list = max1363_mode_list, .num_modes = ARRAY_SIZE(max1363_mode_list), .default_mode = s0to3, .channels = max1361_channels, .num_channels = ARRAY_SIZE(max1361_channels), + .info = &max1363_info, }, [max1363] = { .bits = 12, .int_vref_mv = 2048, - .monitor_mode = 1, .mode_list = max1363_mode_list, .num_modes = ARRAY_SIZE(max1363_mode_list), .default_mode = s0to3, .channels = max1363_channels, .num_channels = ARRAY_SIZE(max1363_channels), + .info = &max1363_info, }, [max1364] = { .bits = 12, .int_vref_mv = 4096, - .monitor_mode = 1, .mode_list = max1363_mode_list, .num_modes = ARRAY_SIZE(max1363_mode_list), .default_mode = s0to3, .channels = max1363_channels, .num_channels = ARRAY_SIZE(max1363_channels), + .info = &max1363_info, }, [max1036] = { .bits = 8, @@ -520,6 +882,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1036_channels, .num_channels = ARRAY_SIZE(max1036_channels), }, @@ -529,6 +892,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1036_channels, .num_channels = ARRAY_SIZE(max1036_channels), }, @@ -538,6 +902,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1038_channels, .num_channels = ARRAY_SIZE(max1038_channels), }, @@ -547,6 +912,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1038_channels, .num_channels = ARRAY_SIZE(max1038_channels), }, @@ -556,6 +922,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1136_channels, .num_channels = ARRAY_SIZE(max1136_channels), }, @@ -565,6 +932,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1136_channels, .num_channels = ARRAY_SIZE(max1136_channels), }, @@ -574,6 +942,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1138_channels, .num_channels = ARRAY_SIZE(max1138_channels), }, @@ -583,6 +952,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1138_channels, .num_channels = ARRAY_SIZE(max1138_channels), }, @@ -592,6 +962,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1236_channels, .num_channels = ARRAY_SIZE(max1236_channels), }, @@ -601,6 +972,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1236_mode_list, .num_modes = ARRAY_SIZE(max1236_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1236_channels, .num_channels = ARRAY_SIZE(max1236_channels), }, @@ -610,6 +982,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -619,6 +992,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -628,6 +1002,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1036_channels, .num_channels = ARRAY_SIZE(max1036_channels), }, @@ -637,6 +1012,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1036_channels, .num_channels = ARRAY_SIZE(max1036_channels), }, @@ -646,6 +1022,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11602_channels, .num_channels = ARRAY_SIZE(max11602_channels), }, @@ -655,6 +1032,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11602_channels, .num_channels = ARRAY_SIZE(max11602_channels), }, @@ -664,6 +1042,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -673,6 +1052,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -682,6 +1062,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1136_channels, .num_channels = ARRAY_SIZE(max1136_channels), }, @@ -691,6 +1072,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1136_channels, .num_channels = ARRAY_SIZE(max1136_channels), }, @@ -700,6 +1082,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11608_channels, .num_channels = ARRAY_SIZE(max11608_channels), }, @@ -709,6 +1092,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11608_channels, .num_channels = ARRAY_SIZE(max11608_channels), }, @@ -718,6 +1102,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -727,6 +1112,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -736,6 +1122,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1363_channels, .num_channels = ARRAY_SIZE(max1363_channels), }, @@ -745,6 +1132,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11607_mode_list, .num_modes = ARRAY_SIZE(max11607_mode_list), .default_mode = s0to3, + .info = &max1238_info, .channels = max1363_channels, .num_channels = ARRAY_SIZE(max1363_channels), }, @@ -754,6 +1142,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11614_channels, .num_channels = ARRAY_SIZE(max11614_channels), }, @@ -763,6 +1152,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11608_mode_list, .num_modes = ARRAY_SIZE(max11608_mode_list), .default_mode = s0to7, + .info = &max1238_info, .channels = max11614_channels, .num_channels = ARRAY_SIZE(max11614_channels), }, @@ -772,6 +1162,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -781,6 +1172,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max1238_mode_list, .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, + .info = &max1238_info, .channels = max1238_channels, .num_channels = ARRAY_SIZE(max1238_channels), }, @@ -790,6 +1182,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, + .info = &max1238_info, .channels = max11644_channels, .num_channels = ARRAY_SIZE(max11644_channels), }, @@ -799,6 +1192,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, + .info = &max1238_info, .channels = max11644_channels, .num_channels = ARRAY_SIZE(max11644_channels), }, @@ -808,7 +1202,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, - .channels = max11644_channels, + .info = &max1238_info, + .channels = max11646_channels, .num_channels = ARRAY_SIZE(max11646_channels), }, [max11647] = { @@ -817,353 +1212,13 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, - .channels = max11644_channels, + .info = &max1238_info, + .channels = max11646_channels, .num_channels = ARRAY_SIZE(max11646_channels), }, }; -static const int max1363_monitor_speeds[] = { 133000, 665000, 33300, 16600, - 8300, 4200, 2000, 1000 }; - -static ssize_t max1363_monitor_show_freq(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct max1363_state *st = iio_priv(dev_get_drvdata(dev)); - return sprintf(buf, "%d\n", max1363_monitor_speeds[st->monitor_speed]); -} - -static ssize_t max1363_monitor_store_freq(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct max1363_state *st = iio_priv(indio_dev); - int i, ret; - unsigned long val; - bool found = false; - - ret = strict_strtoul(buf, 10, &val); - if (ret) - return -EINVAL; - for (i = 0; i < ARRAY_SIZE(max1363_monitor_speeds); i++) - if (val == max1363_monitor_speeds[i]) { - found = true; - break; - } - if (!found) - return -EINVAL; - - mutex_lock(&indio_dev->mlock); - st->monitor_speed = i; - mutex_unlock(&indio_dev->mlock); - - return 0; -} - -static IIO_DEV_ATTR_SAMP_FREQ(S_IRUGO | S_IWUSR, - max1363_monitor_show_freq, - max1363_monitor_store_freq); - -static IIO_CONST_ATTR(sampling_frequency_available, - "133000 665000 33300 16600 8300 4200 2000 1000"); - -static int max1363_read_thresh(struct iio_dev *indio_dev, - int event_code, - int *val) -{ - struct max1363_state *st = iio_priv(indio_dev); - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) - *val = st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; - else - *val = st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)]; - return 0; -} - -static int max1363_write_thresh(struct iio_dev *indio_dev, - int event_code, - int val) -{ - struct max1363_state *st = iio_priv(indio_dev); - /* make it handle signed correctly as well */ - switch (st->chip_info->bits) { - case 10: - if (val > 0x3FF) - return -EINVAL; - break; - case 12: - if (val > 0xFFF) - return -EINVAL; - break; - } - - switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) { - case IIO_EV_DIR_FALLING: - st->thresh_low[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; - break; - case IIO_EV_DIR_RISING: - st->thresh_high[IIO_EVENT_CODE_EXTRACT_NUM(event_code)] = val; - break; - } - - return 0; -} -static irqreturn_t max1363_event_handler(int irq, void *private) -{ - struct iio_dev *indio_dev = private; - struct max1363_state *st = iio_priv(indio_dev); - s64 timestamp = iio_get_time_ns(); - u8 rx; - u8 tx[2] = { st->setupbyte, - MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0 }; - - i2c_master_recv(st->client, &rx, 1); - /* todo - begging for use of for_each_set_bit */ - if (rx & (1 << 0)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_LOW_THRESH(3), - timestamp); - if (rx & (1 << 1)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_HIGH_THRESH(3), - timestamp); - if (rx & (1 << 2)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_LOW_THRESH(2), - timestamp); - if (rx & (1 << 3)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_HIGH_THRESH(2), - timestamp); - if (rx & (1 << 4)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_LOW_THRESH(1), - timestamp); - if (rx & (1 << 5)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_HIGH_THRESH(1), - timestamp); - if (rx & (1 << 6)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_LOW_THRESH(0), - timestamp); - if (rx & (1 << 7)) - iio_push_event(indio_dev, 0, - IIO_EVENT_CODE_IN_HIGH_THRESH(0), - timestamp); - i2c_master_send(st->client, tx, 2); - - return IRQ_HANDLED; -} - -static int max1363_read_event_config(struct iio_dev *indio_dev, - int event_code) -{ - struct max1363_state *st = iio_priv(indio_dev); - - int val; - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); - mutex_lock(&indio_dev->mlock); - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) - val = (1 << number) & st->mask_low; - else - val = (1 << number) & st->mask_high; - mutex_unlock(&indio_dev->mlock); - - return val; -} - -static int max1363_monitor_mode_update(struct max1363_state *st, int enabled) -{ - u8 *tx_buf; - int ret, i = 3, j; - unsigned long numelements; - int len; - long modemask; - - if (!enabled) { - /* transition to ring capture is not currently supported */ - st->setupbyte &= ~MAX1363_SETUP_MONITOR_SETUP; - st->configbyte &= ~MAX1363_SCAN_MASK; - st->monitor_on = false; - return max1363_write_basic_config(st->client, - st->setupbyte, - st->configbyte); - } - - /* Ensure we are in the relevant mode */ - st->setupbyte |= MAX1363_SETUP_MONITOR_SETUP; - st->configbyte &= ~(MAX1363_CHANNEL_SEL_MASK - | MAX1363_SCAN_MASK - | MAX1363_SE_DE_MASK); - st->configbyte |= MAX1363_CONFIG_SCAN_MONITOR_MODE; - if ((st->mask_low | st->mask_high) & 0x0F) { - st->configbyte |= max1363_mode_table[s0to3].conf; - modemask = max1363_mode_table[s0to3].modemask; - } else if ((st->mask_low | st->mask_high) & 0x30) { - st->configbyte |= max1363_mode_table[d0m1to2m3].conf; - modemask = max1363_mode_table[d0m1to2m3].modemask; - } else { - st->configbyte |= max1363_mode_table[d1m0to3m2].conf; - modemask = max1363_mode_table[d1m0to3m2].modemask; - } - numelements = hweight_long(modemask); - len = 3 * numelements + 3; - tx_buf = kmalloc(len, GFP_KERNEL); - if (!tx_buf) { - ret = -ENOMEM; - goto error_ret; - } - tx_buf[0] = st->configbyte; - tx_buf[1] = st->setupbyte; - tx_buf[2] = (st->monitor_speed << 1); - - /* - * So we need to do yet another bit of nefarious scan mode - * setup to match what we need. - */ - for (j = 0; j < 8; j++) - if (modemask & (1 << j)) { - /* Establish the mode is in the scan */ - if (st->mask_low & (1 << j)) { - tx_buf[i] = (st->thresh_low[j] >> 4) & 0xFF; - tx_buf[i + 1] = (st->thresh_low[j] << 4) & 0xF0; - } else if (j < 4) { - tx_buf[i] = 0; - tx_buf[i + 1] = 0; - } else { - tx_buf[i] = 0x80; - tx_buf[i + 1] = 0; - } - if (st->mask_high & (1 << j)) { - tx_buf[i + 1] |= - (st->thresh_high[j] >> 8) & 0x0F; - tx_buf[i + 2] = st->thresh_high[j] & 0xFF; - } else if (j < 4) { - tx_buf[i + 1] |= 0x0F; - tx_buf[i + 2] = 0xFF; - } else { - tx_buf[i + 1] |= 0x07; - tx_buf[i + 2] = 0xFF; - } - i += 3; - } - - - ret = i2c_master_send(st->client, tx_buf, len); - if (ret < 0) - goto error_ret; - if (ret != len) { - ret = -EIO; - goto error_ret; - } - - /* - * Now that we hopefully have sensible thresholds in place it is - * time to turn the interrupts on. - * It is unclear from the data sheet if this should be necessary - * (i.e. whether monitor mode setup is atomic) but it appears to - * be in practice. - */ - tx_buf[0] = st->setupbyte; - tx_buf[1] = MAX1363_MON_INT_ENABLE | (st->monitor_speed << 1) | 0xF0; - ret = i2c_master_send(st->client, tx_buf, 2); - if (ret < 0) - goto error_ret; - if (ret != 2) { - ret = -EIO; - goto error_ret; - } - ret = 0; - st->monitor_on = true; -error_ret: - - kfree(tx_buf); - - return ret; -} - -/* - * To keep this manageable we always use one of 3 scan modes. - * Scan 0...3, 0-1,2-3 and 1-0,3-2 - */ - -static inline int __max1363_check_event_mask(int thismask, int checkmask) -{ - int ret = 0; - /* Is it unipolar */ - if (thismask < 4) { - if (checkmask & ~0x0F) { - ret = -EBUSY; - goto error_ret; - } - } else if (thismask < 6) { - if (checkmask & ~0x30) { - ret = -EBUSY; - goto error_ret; - } - } else if (checkmask & ~0xC0) - ret = -EBUSY; -error_ret: - return ret; -} - -static int max1363_write_event_config(struct iio_dev *indio_dev, - int event_code, - int state) -{ - int ret = 0; - struct max1363_state *st = iio_priv(indio_dev); - u16 unifiedmask; - int number = IIO_EVENT_CODE_EXTRACT_NUM(event_code); - - mutex_lock(&indio_dev->mlock); - unifiedmask = st->mask_low | st->mask_high; - if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_FALLING) { - - if (state == 0) - st->mask_low &= ~(1 << number); - else { - ret = __max1363_check_event_mask((1 << number), - unifiedmask); - if (ret) - goto error_ret; - st->mask_low |= (1 << number); - } - } else { - if (state == 0) - st->mask_high &= ~(1 << number); - else { - ret = __max1363_check_event_mask((1 << number), - unifiedmask); - if (ret) - goto error_ret; - st->mask_high |= (1 << number); - } - } - - max1363_monitor_mode_update(st, !!(st->mask_high | st->mask_low)); -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret; -} - -/* - * As with scan_elements, only certain sets of these can - * be combined. - */ -static struct attribute *max1363_event_attributes[] = { - &iio_dev_attr_sampling_frequency.dev_attr.attr, - &iio_const_attr_sampling_frequency_available.dev_attr.attr, - NULL, -}; - -static struct attribute_group max1363_event_attribute_group = { - .attrs = max1363_event_attributes, -}; static int max1363_initial_setup(struct max1363_state *st) { @@ -1224,22 +1279,9 @@ static int __devinit max1363_probe(struct i2c_client *client, /* Estabilish that the iio_dev is a child of the i2c device */ indio_dev->dev.parent = &client->dev; indio_dev->name = id->name; - indio_dev->read_event_value = &max1363_read_thresh; - indio_dev->write_event_value = &max1363_write_thresh; - indio_dev->read_event_config = &max1363_read_event_config; - indio_dev->write_event_config = &max1363_write_event_config; - indio_dev->channels = st->chip_info->channels; - indio_dev->num_channels = st->chip_info->num_channels; - indio_dev->read_raw = &max1363_read_raw; - /* Todo: this shouldn't be here. */ - indio_dev->driver_module = THIS_MODULE; - indio_dev->modes = INDIO_DIRECT_MODE; - if (st->chip_info->monitor_mode && client->irq) { - indio_dev->num_interrupt_lines = 1; - indio_dev->event_attrs - = &max1363_event_attribute_group; - } + indio_dev->info = st->chip_info->info; + indio_dev->modes = INDIO_DIRECT_MODE; ret = max1363_initial_setup(st); if (ret) goto error_free_available_scan_masks; @@ -1258,7 +1300,7 @@ static int __devinit max1363_probe(struct i2c_client *client, if (ret) goto error_cleanup_ring; - if (st->chip_info->monitor_mode && client->irq) { + if (client->irq) { ret = request_threaded_irq(st->client->irq, NULL, &max1363_event_handler, @@ -1298,7 +1340,7 @@ static int max1363_remove(struct i2c_client *client) struct max1363_state *st = iio_priv(indio_dev); struct regulator *reg = st->reg; - if (st->chip_info->monitor_mode && client->irq) + if (client->irq) free_irq(st->client->irq, indio_dev); iio_ring_buffer_unregister(indio_dev->ring); max1363_ring_cleanup(indio_dev); |