return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
ring->scan_timestamp = true;
- ring->access = &ring_sw_access_funcs;
indio_dev->setup_ops = &adis16201_ring_setup_ops;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
ring->scan_timestamp = true;
- ring->access = &ring_sw_access_funcs;
indio_dev->setup_ops = &adis16203_ring_setup_ops;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
- ring->access = &ring_sw_access_funcs;
ring->scan_timestamp = true;
indio_dev->setup_ops = &adis16204_ring_setup_ops;
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
- ring->access = &ring_sw_access_funcs;
ring->scan_timestamp = true;
indio_dev->setup_ops = &adis16209_ring_setup_ops;
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
- ring->access = &ring_sw_access_funcs;
ring->scan_timestamp = true;
indio_dev->setup_ops = &adis16240_ring_setup_ops;
#ifdef CONFIG_LIS3L02DQ_BUF_RING_SW
#define lis3l02dq_free_buf iio_sw_rb_free
#define lis3l02dq_alloc_buf iio_sw_rb_allocate
-#define lis3l02dq_access_funcs ring_sw_access_funcs
#endif
#ifdef CONFIG_LIS3L02DQ_BUF_KFIFO
#define lis3l02dq_free_buf iio_kfifo_free
#define lis3l02dq_alloc_buf iio_kfifo_allocate
-#define lis3l02dq_access_funcs kfifo_access_funcs
#endif
irqreturn_t lis3l02dq_data_rdy_trig_poll(int irq, void *private);
#define lis3l02dq_th lis3l02dq_data_rdy_trig_poll
return -ENOMEM;
indio_dev->buffer = buffer;
- /* Effectively select the buffer implementation */
- indio_dev->buffer->access = &lis3l02dq_access_funcs;
buffer->scan_timestamp = true;
indio_dev->setup_ops = &lis3l02dq_buffer_setup_ops;
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
&ad7192_trigger_handler,
IRQF_ONESHOT,
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
-
indio_dev->pollfunc = iio_alloc_pollfunc(NULL,
&ad7298_trigger_handler,
IRQF_ONESHOT,
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc
= iio_alloc_pollfunc(NULL,
&ad7476_trigger_handler,
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc = iio_alloc_pollfunc(&ad7606_trigger_handler_th_bh,
&ad7606_trigger_handler_th_bh,
0,
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
&ad7793_trigger_handler,
IRQF_ONESHOT,
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
&ad7887_trigger_handler,
IRQF_ONESHOT,
ret = -ENOMEM;
goto error_ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->pollfunc = iio_alloc_pollfunc(NULL,
&ad799x_trigger_handler,
IRQF_ONESHOT,
ret = -ENOMEM;
goto error_deallocate_sw_rb;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
/* Ring buffer functions - here trigger setup related */
indio_dev->setup_ops = &max1363_ring_setup_ops;
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
- ring->access = &ring_sw_access_funcs;
ring->scan_timestamp = true;
indio_dev->setup_ops = &adis16260_ring_setup_ops;
}
indio_dev->buffer = buffer;
- /* Tell the core how to access the buffer */
- buffer->access = &kfifo_access_funcs;
/* Enable timestamps by default */
buffer->scan_timestamp = true;
if (!indio_dev->buffer)
return -ENOMEM;
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
-
/* Ring buffer functions - here trigger setup related */
indio_dev->setup_ops = &ad5933_ring_setup_ops;
return ret;
}
indio_dev->buffer = ring;
- /* Effectively select the ring buffer implementation */
- ring->access = &ring_sw_access_funcs;
ring->scan_timestamp = true;
indio_dev->setup_ops = &adis16400_ring_setup_ops;
.name = "buffer",
};
-struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev)
-{
- struct iio_kfifo *kf;
-
- kf = kzalloc(sizeof *kf, GFP_KERNEL);
- if (!kf)
- return NULL;
- kf->update_needed = true;
- iio_buffer_init(&kf->buffer);
- kf->buffer.attrs = &iio_kfifo_attribute_group;
-
- return &kf->buffer;
-}
-EXPORT_SYMBOL(iio_kfifo_allocate);
-
static int iio_get_bytes_per_datum_kfifo(struct iio_buffer *r)
{
return r->bytes_per_datum;
return 0;
}
-void iio_kfifo_free(struct iio_buffer *r)
-{
- kfree(iio_to_kfifo(r));
-}
-EXPORT_SYMBOL(iio_kfifo_free);
-
static int iio_store_to_kfifo(struct iio_buffer *r,
u8 *data,
s64 timestamp)
return copied;
}
-const struct iio_buffer_access_funcs kfifo_access_funcs = {
+static const struct iio_buffer_access_funcs kfifo_access_funcs = {
.store_to = &iio_store_to_kfifo,
.read_first_n = &iio_read_first_n_kfifo,
.request_update = &iio_request_update_kfifo,
.get_length = &iio_get_length_kfifo,
.set_length = &iio_set_length_kfifo,
};
-EXPORT_SYMBOL(kfifo_access_funcs);
+
+struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev)
+{
+ struct iio_kfifo *kf;
+
+ kf = kzalloc(sizeof *kf, GFP_KERNEL);
+ if (!kf)
+ return NULL;
+ kf->update_needed = true;
+ iio_buffer_init(&kf->buffer);
+ kf->buffer.attrs = &iio_kfifo_attribute_group;
+ kf->buffer.access = &kfifo_access_funcs;
+
+ return &kf->buffer;
+}
+EXPORT_SYMBOL(iio_kfifo_allocate);
+
+void iio_kfifo_free(struct iio_buffer *r)
+{
+ kfree(iio_to_kfifo(r));
+}
+EXPORT_SYMBOL(iio_kfifo_free);
MODULE_LICENSE("GPL");
#include "iio.h"
#include "buffer.h"
-extern const struct iio_buffer_access_funcs kfifo_access_funcs;
-
struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev);
void iio_kfifo_free(struct iio_buffer *r);
return ret;
}
- /* Effectively select the ring buffer implementation */
- indio_dev->buffer->access = &ring_sw_access_funcs;
indio_dev->setup_ops = &ade7758_ring_setup_ops;
indio_dev->pollfunc = iio_alloc_pollfunc(&iio_pollfunc_store_time,
.name = "buffer",
};
+static const struct iio_buffer_access_funcs ring_sw_access_funcs = {
+ .store_to = &iio_store_to_sw_rb,
+ .read_first_n = &iio_read_first_n_sw_rb,
+ .request_update = &iio_request_update_sw_rb,
+ .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb,
+ .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb,
+ .get_length = &iio_get_length_sw_rb,
+ .set_length = &iio_set_length_sw_rb,
+};
+
struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev)
{
struct iio_buffer *buf;
buf = &ring->buf;
iio_buffer_init(buf);
buf->attrs = &iio_ring_attribute_group;
+ buf->access = &ring_sw_access_funcs;
return buf;
}
}
EXPORT_SYMBOL(iio_sw_rb_free);
-const struct iio_buffer_access_funcs ring_sw_access_funcs = {
- .store_to = &iio_store_to_sw_rb,
- .read_first_n = &iio_read_first_n_sw_rb,
- .request_update = &iio_request_update_sw_rb,
- .get_bytes_per_datum = &iio_get_bytes_per_datum_sw_rb,
- .set_bytes_per_datum = &iio_set_bytes_per_datum_sw_rb,
- .get_length = &iio_get_length_sw_rb,
- .set_length = &iio_set_length_sw_rb,
-};
-EXPORT_SYMBOL(ring_sw_access_funcs);
-
MODULE_DESCRIPTION("Industrialio I/O software ring buffer");
MODULE_LICENSE("GPL");
#define _IIO_RING_SW_H_
#include "buffer.h"
-/**
- * ring_sw_access_funcs - access functions for a software ring buffer
- **/
-extern const struct iio_buffer_access_funcs ring_sw_access_funcs;
-
struct iio_buffer *iio_sw_rb_allocate(struct iio_dev *indio_dev);
void iio_sw_rb_free(struct iio_buffer *ring);
#endif /* _IIO_RING_SW_H_ */