| /* |
| * 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. |
| * |
| */ |
| |
| #include <linux/types.h> |
| |
| struct poch_counters { |
| __u32 fifo_empty; |
| __u32 fifo_overflow; |
| __u32 pll_unlock; |
| }; |
| |
| struct poch_consume { |
| __u32 __user *offsets; |
| __u32 nfetch; |
| __u32 nflush; |
| }; |
| |
| #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) |
| |
| #define POCH_IOC_CONSUME _IOWR(POCH_IOC_NUM, 5, \ |
| struct poch_consume) |
