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ppbus_base.h revision 1.6.16.1
      1  1.6.16.1      matt /* $NetBSD: ppbus_base.h,v 1.6.16.1 2007/11/06 23:29:56 matt Exp $ */
      2       1.2     bjh21 
      3       1.1  jdolecek /*
      4       1.1  jdolecek  * Copyright (c) 1997, 1998, 1999 Nicolas Souchu
      5       1.1  jdolecek  * All rights reserved.
      6       1.1  jdolecek  *
      7       1.1  jdolecek  * Redistribution and use in source and binary forms, with or without
      8       1.1  jdolecek  * modification, are permitted provided that the following conditions
      9       1.1  jdolecek  * are met:
     10       1.1  jdolecek  * 1. Redistributions of source code must retain the above copyright
     11       1.1  jdolecek  *    notice, this list of conditions and the following disclaimer.
     12       1.1  jdolecek  * 2. Redistributions in binary form must reproduce the above copyright
     13       1.1  jdolecek  *    notice, this list of conditions and the following disclaimer in the
     14       1.1  jdolecek  *    documentation and/or other materials provided with the distribution.
     15       1.1  jdolecek  *
     16       1.1  jdolecek  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17       1.1  jdolecek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18       1.1  jdolecek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19       1.1  jdolecek  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20       1.1  jdolecek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21       1.1  jdolecek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22       1.1  jdolecek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23       1.1  jdolecek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24       1.1  jdolecek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25       1.1  jdolecek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26       1.1  jdolecek  * SUCH DAMAGE.
     27       1.1  jdolecek  *
     28       1.1  jdolecek  * $FreeBSD: src/sys/dev/ppbus/ppbconf.h,v 1.17.2.1 2000/05/24 00:20:57 n_hibma Exp $
     29       1.1  jdolecek  *
     30       1.1  jdolecek  */
     31       1.1  jdolecek #ifndef __PPBUS_BASE_H
     32       1.1  jdolecek #define __PPBUS_BASE_H
     33       1.1  jdolecek 
     34  1.6.16.1      matt #include <sys/bus.h>
     35       1.1  jdolecek 
     36       1.1  jdolecek #include <dev/ppbus/ppbus_msq.h>
     37       1.1  jdolecek 
     38       1.1  jdolecek 
     39       1.1  jdolecek /* Parallel Port Chipset control bits. */
     40       1.1  jdolecek #define STROBE		0x01
     41       1.1  jdolecek #define AUTOFEED	0x02
     42       1.1  jdolecek #define nINIT		0x04
     43       1.1  jdolecek #define SELECTIN	0x08
     44       1.1  jdolecek #define IRQENABLE	0x10
     45       1.1  jdolecek #define PCD		0x20
     46       1.1  jdolecek 
     47       1.1  jdolecek #define nSTROBE		inv(STROBE)
     48       1.1  jdolecek #define nAUTOFEED	inv(AUTOFEED)
     49       1.1  jdolecek #define INIT		inv(nINIT)
     50       1.1  jdolecek #define nSELECTIN	inv(SELECTIN)
     51       1.1  jdolecek #define nPCD		inv(PCD)
     52       1.1  jdolecek 
     53       1.1  jdolecek /* Parallel Port Chipset status bits. */
     54       1.1  jdolecek #define TIMEOUT		0x01
     55       1.1  jdolecek #define nFAULT		0x08
     56       1.1  jdolecek #define SELECT		0x10
     57       1.1  jdolecek #define PERROR		0x20
     58       1.1  jdolecek #define nACK		0x40
     59       1.1  jdolecek #define nBUSY		0x80
     60       1.1  jdolecek 
     61       1.1  jdolecek /* Byte mode signals */
     62       1.1  jdolecek #define HOSTCLK         nSTROBE /* Also ECP mode signal */
     63       1.1  jdolecek #define HOSTBUSY        nAUTOFEED
     64       1.1  jdolecek #define ACTIVE1284      nSELECTIN /* Also ECP mode signal */
     65       1.1  jdolecek #define PTRCLK          nACK
     66       1.1  jdolecek #define PTRBUSY         BUSY
     67       1.1  jdolecek #define ACKDATAREQ      PERROR
     68       1.1  jdolecek #define XFLAG           SELECT /* Also ECP mode signal */
     69       1.1  jdolecek #define nDATAVAIL       nERROR
     70       1.1  jdolecek 
     71       1.1  jdolecek /* ECP mode signals */
     72       1.1  jdolecek #define HOSTACK         nAUTOFEED
     73       1.1  jdolecek #define nREVREQ         nINIT
     74       1.1  jdolecek #define PERICLK         nACK
     75       1.1  jdolecek #define PERIACK         BUSY
     76       1.1  jdolecek #define nACKREV         PERROR
     77       1.1  jdolecek #define nPERIREQ        nERROR
     78       1.1  jdolecek 
     79       1.1  jdolecek /* EPP mode signals */
     80       1.1  jdolecek #define nWRITE          nSTROBE
     81       1.1  jdolecek #define nDATASTB        nAUTOFEED
     82       1.1  jdolecek #define nADDRSTB        nSELECTIN
     83       1.1  jdolecek #define nWAIT           BUSY
     84       1.1  jdolecek /*
     85       1.1  jdolecek #define nINIT           nRESET
     86       1.1  jdolecek #define nACK            nINTR
     87       1.1  jdolecek */
     88       1.1  jdolecek 
     89       1.1  jdolecek /* ECR register bit definitions */
     90       1.1  jdolecek #define ECR_FIFO_EMPTY        0x1     /* ecr register - bit 0 */
     91       1.4     perry #define ECR_FIFO_FULL         0x2     /* ecr register - bit 1 */
     92       1.4     perry #define ECR_SERVICE_INTR      0x4     /* ecr register - bit 2 */
     93       1.1  jdolecek #define ECR_ENABLE_DMA        0x8     /* ecr register - bit 3 */
     94       1.4     perry #define ECR_nFAULT_INTR       0x10    /* ecr register - bit 4 */
     95       1.1  jdolecek /* bits 5 through 7 */
     96       1.1  jdolecek #define ECR_STD           0x00    /* Standard mode */
     97       1.4     perry #define ECR_PS2           0x20    /* Bidirectional mode */
     98       1.1  jdolecek #define ECR_FIFO          0x40    /* Fast Centronics mode */
     99       1.1  jdolecek #define ECR_ECP           0x60    /* ECP mode */
    100       1.1  jdolecek #define ECR_EPP           0x80    /* EPP mode */
    101       1.1  jdolecek #define ECR_TST           0xc0    /* Test mode*/
    102       1.1  jdolecek 
    103       1.1  jdolecek /* Used for IEEE 1284 'PNP' detection */
    104       1.1  jdolecek #define PPBUS_PNP_PRINTER	0
    105       1.1  jdolecek #define PPBUS_PNP_MODEM		1
    106       1.1  jdolecek #define PPBUS_PNP_NET		2
    107       1.1  jdolecek #define PPBUS_PNP_HDC		3
    108       1.1  jdolecek #define PPBUS_PNP_PCMCIA	4
    109       1.1  jdolecek #define PPBUS_PNP_MEDIA		5
    110       1.1  jdolecek #define PPBUS_PNP_FDC		6
    111       1.1  jdolecek #define PPBUS_PNP_PORTS		7
    112       1.1  jdolecek #define PPBUS_PNP_SCANNER	8
    113       1.1  jdolecek #define PPBUS_PNP_DIGICAM	9
    114       1.1  jdolecek #define PPBUS_PNP_UNKNOWN	10
    115       1.1  jdolecek 
    116       1.1  jdolecek 
    117       1.1  jdolecek /* Structure to store status information. */
    118       1.1  jdolecek struct ppbus_status {
    119       1.1  jdolecek 	unsigned char status;
    120       1.1  jdolecek 
    121       1.1  jdolecek 	unsigned int timeout:1;
    122       1.1  jdolecek 	unsigned int error:1;
    123       1.1  jdolecek 	unsigned int select:1;
    124       1.1  jdolecek 	unsigned int paper_end:1;
    125       1.1  jdolecek 	unsigned int ack:1;
    126       1.1  jdolecek 	unsigned int busy:1;
    127       1.1  jdolecek };
    128       1.1  jdolecek 
    129       1.1  jdolecek /* How tsleep() is called in ppbus_request_bus(). */
    130       1.1  jdolecek #define PPBUS_DONTWAIT  0
    131       1.1  jdolecek #define PPBUS_NOINTR    0
    132       1.1  jdolecek #define PPBUS_WAIT      0x1
    133       1.1  jdolecek #define PPBUS_INTR      0x2
    134       1.1  jdolecek #define PPBUS_POLL      0x4
    135       1.1  jdolecek #define PPBUS_FOREVER   -1
    136       1.1  jdolecek 
    137       1.1  jdolecek 
    138       1.1  jdolecek /* PPBUS interface functions (includes parport interface) */
    139       1.1  jdolecek int ppbus_scan_bus(struct device *);
    140       1.1  jdolecek void ppbus_pnp_detect(struct device *);
    141       1.1  jdolecek int ppbus_request_bus(struct device *, struct device *, int, unsigned int);
    142       1.1  jdolecek int ppbus_release_bus(struct device *, struct device *, int, unsigned int);
    143       1.1  jdolecek int ppbus_get_status(struct device *, struct ppbus_status *);
    144       1.1  jdolecek int ppbus_poll_bus(struct device *, int, char, char, int);
    145       1.1  jdolecek 
    146       1.1  jdolecek /* Parport interface function prototypes */
    147       1.1  jdolecek int ppbus_read_ivar(struct device *, int, unsigned int *);
    148       1.1  jdolecek int ppbus_write_ivar(struct device *, int, unsigned int *);
    149       1.1  jdolecek int ppbus_reset_epp_timeout(struct device *);
    150       1.1  jdolecek int ppbus_ecp_sync(struct device *);
    151       1.4     perry int ppbus_set_mode(struct device *, int, int);
    152       1.4     perry int ppbus_get_mode(struct device *);
    153       1.1  jdolecek int ppbus_write(struct device *, char *, int, int, size_t *);
    154       1.1  jdolecek int ppbus_read(struct device *, char *, int, int, size_t *);
    155       1.1  jdolecek int ppbus_exec_microseq(struct device *, struct ppbus_microseq * *);
    156       1.1  jdolecek int ppbus_io(struct device *, int, u_char *, int, u_char);
    157       1.6  christos int ppbus_dma_malloc(struct device *, void **, bus_addr_t *, bus_size_t);
    158       1.6  christos int ppbus_dma_free(struct device *, void **, bus_addr_t *, bus_size_t);
    159       1.1  jdolecek int ppbus_add_handler(struct device *, void (*)(void *), void *);
    160       1.4     perry int ppbus_remove_handler(struct device *, void (*)(void *));
    161       1.1  jdolecek 
    162       1.1  jdolecek #endif /* __PPBUS_BASE_H */
    163