1 /* $NetBSD: pstworeg.h,v 1.1 2006/12/02 22:18:47 freza Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Jachym Holecek 5 * All rights reserved. 6 * 7 * Written for DFC Design, s.r.o. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _VIRTEX_DEV_PSTWOREG_H_ 33 #define _VIRTEX_DEV_PSTWOREG_H_ 34 35 /* 36 * PeeCee style PS2 serdes core. Doesn't save us much work, really. 37 * Each instance handles one PS2 port, the user has to know if it's 38 * mouse or keyboard. 39 */ 40 41 #define PSTWO_SIZE 0x1c 42 43 /* Deal with inconsistent notation in Xilinx datasheets. Whee. */ 44 #define PSTWO_BIT(n) (0x80000000U >> (n)) 45 46 #define PSTWO_CTRL 0x0000 /* wo */ 47 #define CTRL_RESET PSTWO_BIT(7) /* Component reset when set */ 48 49 #define PSTWO_STAT 0x0004 /* ro */ 50 #define STAT_TX_BUSY PSTWO_BIT(6) /* Transmitting byte */ 51 #define STAT_RX_DONE PSTWO_BIT(7) /* Received a byte */ 52 53 #define PSTWO_RX_DATA 0x0008 /* ro */ 54 #define PSTWO_TX_DATA 0x000c /* wo */ 55 #define DATA_RECV(x) ((x) >> 24) /* RX */ 56 #define DATA_SEND(x) ((x) << 24) /* TX */ 57 58 #define PSTWO_INTR_STAT 0x0010 /* ro */ 59 #define PSTWO_INTR_ACK 0x0014 /* wo (reads as STAT) */ 60 #define PSTWO_INTR_MSET 0x0018 /* wo (reads as MASK) */ 61 #define PSTWO_INTR_MCLR 0x001c /* wo (reads as MASK) */ 62 #define PSTWO_INTR_MASK PSTWO_INTR_MSET 63 64 /* PSTWO_INTR_ bits */ 65 #define INTR_RX_FULL PSTWO_BIT(2) /* Received byte */ 66 #define INTR_RX_ERR PSTWO_BIT(3) /* Received corrupt packet */ 67 #define INTR_RX_OVER PSTWO_BIT(4) /* RX overrun */ 68 #define INTR_TX_DONE PSTWO_BIT(5) /* TX packet acknowledged */ 69 #define INTR_TX_SENT PSTWO_BIT(6) /* TX packet sent */ 70 #define INTR_TX_TIMO PSTWO_BIT(7) /* Clock lost while TX */ 71 #define INTR_ANY (INTR_RX_FULL | INTR_RX_ERR | INTR_RX_OVER | \ 72 INTR_TX_DONE | INTR_TX_SENT | INTR_TX_TIMO) 73 74 #endif /*_VIRTEX_DEV_PSTWOREG_H_*/ 75