diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/sbhndpio.h')
-rw-r--r-- | drivers/staging/brcm80211/include/sbhndpio.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/include/sbhndpio.h b/drivers/staging/brcm80211/include/sbhndpio.h new file mode 100644 index 0000000..9eabdb5 --- /dev/null +++ b/drivers/staging/brcm80211/include/sbhndpio.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _sbhndpio_h_ +#define _sbhndpio_h_ + +/* PIO structure, + * support two PIO format: 2 bytes access and 4 bytes access + * basic FIFO register set is per channel(transmit or receive) + * a pair of channels is defined for convenience + */ + +/* 2byte-wide pio register set per channel(xmt or rcv) */ +typedef volatile struct { + u16 fifocontrol; + u16 fifodata; + u16 fifofree; /* only valid in xmt channel, not in rcv channel */ + u16 PAD; +} pio2regs_t; + +/* a pair of pio channels(tx and rx) */ +typedef volatile struct { + pio2regs_t tx; + pio2regs_t rx; +} pio2regp_t; + +/* 4byte-wide pio register set per channel(xmt or rcv) */ +typedef volatile struct { + u32 fifocontrol; + u32 fifodata; +} pio4regs_t; + +/* a pair of pio channels(tx and rx) */ +typedef volatile struct { + pio4regs_t tx; + pio4regs_t rx; +} pio4regp_t; + +#endif /* _sbhndpio_h_ */ |