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Diffstat (limited to 'drivers/staging/poch/poch.h')
| -rw-r--r-- | drivers/staging/poch/poch.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/staging/poch/poch.h b/drivers/staging/poch/poch.h new file mode 100644 index 000000000000..51a2d145798e --- /dev/null +++ b/drivers/staging/poch/poch.h @@ -0,0 +1,29 @@ +/* + * User-space DMA and UIO based Redrapids Pocket Change CardBus driver + * + * Copyright 2008 Vijay Kumar <vijaykumar@bravegnu.org> + * + * Part of userspace API. Should be moved to a header file in + * include/linux for final version. + * + */ +struct poch_cbuf_header { + __s32 group_size_bytes; + __s32 group_count; + __s32 group_offsets[0]; +}; + +struct poch_counters { + __u32 fifo_empty; + __u32 fifo_overflow; + __u32 pll_unlock; +}; + +#define POCH_IOC_NUM '9' + +#define POCH_IOC_TRANSFER_START _IO(POCH_IOC_NUM, 0) +#define POCH_IOC_TRANSFER_STOP _IO(POCH_IOC_NUM, 1) +#define POCH_IOC_GET_COUNTERS _IOR(POCH_IOC_NUM, 2, \ + struct poch_counters) +#define POCH_IOC_SYNC_GROUP_FOR_USER _IO(POCH_IOC_NUM, 3) +#define POCH_IOC_SYNC_GROUP_FOR_DEVICE _IO(POCH_IOC_NUM, 4) |