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Diffstat (limited to 'sys/i386/isa/b004.h')
| -rw-r--r-- | sys/i386/isa/b004.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/sys/i386/isa/b004.h b/sys/i386/isa/b004.h new file mode 100644 index 0000000000000..8ae161f025277 --- /dev/null +++ b/sys/i386/isa/b004.h @@ -0,0 +1,154 @@ +/* + * b004.h + * + * Based on the Linux driver, by + * Christoph Niemann (niemann@swt.ruhr-uni-bochum.de) + * + * Ported to FreeBSD by Luigi Rizzo (luigi@iet.unipi.it) + * and Lorenzo Vicisano (l.vicisano@iet.unipi.it) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christoph Niemann, + * Luigi Rizzo and Lorenzo Vicisano - Dipartimento di Ingegneria + * dell'Informazione + * 4. The names of these contributors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Works for FreeBSD 1.1.5 + */ + +#ifndef _I386_ISA_B004_H_ +#define _I386_ISA_B004_H_ + +#include <sys/ioccom.h> + +/* + * device status FLAGS + */ +#define B004_EXIST 0x0001 /* Is a B004-Board with at least one + Transputer present ? */ +#define B004_BUSY 0x0002 /* Is the B004-board in use ? */ + +/* + * IOCTL numbers + */ +#define B004RESET _IO ('Q', 0) + /* Reset transputer(s) */ +#define B004WRITEABLE _IOR ('Q', 1, int) + /* Return C012 Output Ready */ +#define B004READABLE _IOR ('Q', 2, int) + /* Return C012 Data Present */ +#define B004ANALYSE _IO ('Q', 3) + /* Switch transputer(s) to ANALYSE mode */ +#define B004ERROR _IOR ('Q', 4, int) + /* Return 1 on ERROR set */ +#define B004TIMEOUT _IOW ('Q', 5, int) + /* Set TIMEOUT for subsequent writing or + reading call, value in ticks, initial + 0 = no timeout (read/write blocking) + "open" sets timeout to 0 */ + + +#define B004_INIT_TIMEOUT 0 /* No timeout yet */ + +/* + * Registers DISPLACEMENT + */ +#define B004_IDR_OFFSET 0 /* Input Data Register */ +#define B004_ODR_OFFSET 1 /* Output Data Register */ +#define B004_ISR_OFFSET 2 /* Input Status Register */ +#define B004_OSR_OFFSET 3 /* Output Status Register */ +#define B004_RESET_OFFSET 16 /* Reset/Error Register */ +#define B004_ERROR_OFFSET B004_RESET_OFFSET +#define B004_ANALYSE_OFFSET 17 /* Analyse Register */ +#define B008_DMA_OFFSET 18 /* B008: DMA request register */ +#define B008_INT_OFFSET 19 /* B008: Interrupt control reg */ + +struct b004_struct { + int flags; /* various flags */ + int idr; /* address of the input data register */ + int odr; /* address if the output data register */ + int isr; /* address of the input status register */ + int osr; /* address of the output status register */ + unsigned int timeout; /* timeout for writing/reading the link */ + int boardtype; /* what kind of board is installed */ + void *devfs_token[8][4]; /* tokens for 4 types for 8 ports */ +}; + +/* + * Id's for the supported boards + */ +#define B004 1 +#define B008 2 + +/* + * Defines for easier access to the b004_table. + */ +#define B004_F(minor) b004_table[minor].flags +#define B004_TIMEOUT(minor) b004_table[minor].timeout +#define B004_BASE(minor) B004_IDR(minor) +#define B004_IDR(minor) b004_table[minor].idr +#define B004_ODR(minor) b004_table[minor].odr +#define B004_ISR(minor) b004_table[minor].isr +#define B004_OSR(minor) b004_table[minor].osr +#define B004_WAIT(minor) b004_table[minor].wait +#define B004_BOARDTYPE(minor) b004_table[minor].boardtype + +/* + * Additional defines for B008-boards + */ +#define B008_DMA(minor) b004_table[minor].int +#define B008_INT(minor) b004_table[minor].dma + +/* + * Number of tries to access isr or osr before reading or writing sleeps + */ +#define B004_MAXTRY 200 + +/* + * Maximum number of bytes to transfer at once + */ +#define B004_MAX_BYTES 2048 + +/* + * bit defines for C012 status ports at base + 2/3 + * accessed with B004_IS, B004_OS, which gets the byte... + */ +#define B004_READBYTE 1 +#define B004_WRITEBYTE 1 + +/* + * bit defines for C012 reset/error port at base + 16 + */ +#define B004_ASSERT_RESET 0x01 /* resetting the transputer */ +#define B004_DEASSERT_RESET 0x00 +#define B004_TEST_ERROR 0x01 /* for testing the transputer's error flag */ + +/* + * bit defines for C012 analyse port at base + 17 + */ +#define B004_ASSERT_ANALYSE 0x01 /* switch transputer to analyse-mode */ +#define B004_DEASSERT_ANALYSE 0x00 + +#endif /* !_I386_ISA_B004_H_ */ |