2 #include <linux/kfifo.h>
4 #include "ring_generic.h"
7 struct iio_ring_buffer ring;
11 struct mutex use_lock;
14 #define iio_to_kfifo(r) container_of(r, struct iio_kfifo, ring)
16 int iio_create_kfifo(struct iio_ring_buffer **r);
17 int iio_init_kfifo(struct iio_ring_buffer *r, struct iio_dev *indio_dev);
18 void iio_exit_kfifo(struct iio_ring_buffer *r);
19 void iio_free_kfifo(struct iio_ring_buffer *r);
20 void iio_mark_kfifo_in_use(struct iio_ring_buffer *r);
21 void iio_unmark_kfifo_in_use(struct iio_ring_buffer *r);
23 int iio_store_to_kfifo(struct iio_ring_buffer *r, u8 *data, s64 timestamp);
24 int iio_rip_kfifo(struct iio_ring_buffer *r,
29 int iio_request_update_kfifo(struct iio_ring_buffer *r);
30 int iio_mark_update_needed_kfifo(struct iio_ring_buffer *r);
32 int iio_get_bytes_per_datum_kfifo(struct iio_ring_buffer *r);
33 int iio_set_bytes_per_datum_kfifo(struct iio_ring_buffer *r, size_t bpd);
34 int iio_get_length_kfifo(struct iio_ring_buffer *r);
35 int iio_set_length_kfifo(struct iio_ring_buffer *r, int length);
37 static inline void iio_kfifo_register_funcs(struct iio_ring_access_funcs *ra)
39 ra->mark_in_use = &iio_mark_kfifo_in_use;
40 ra->unmark_in_use = &iio_unmark_kfifo_in_use;
42 ra->store_to = &iio_store_to_kfifo;
43 ra->rip_lots = &iio_rip_kfifo;
45 ra->mark_param_change = &iio_mark_update_needed_kfifo;
46 ra->request_update = &iio_request_update_kfifo;
48 ra->get_bytes_per_datum = &iio_get_bytes_per_datum_kfifo;
49 ra->set_bytes_per_datum = &iio_set_bytes_per_datum_kfifo;
50 ra->get_length = &iio_get_length_kfifo;
51 ra->set_length = &iio_set_length_kfifo;
54 struct iio_ring_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev);
55 void iio_kfifo_free(struct iio_ring_buffer *r);