| /* |
| * 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_ */ |
