diff options
| -rw-r--r-- | sys/conf/files.i386 | 1 | ||||
| -rw-r--r-- | sys/i386/conf/NOTES | 6 | ||||
| -rw-r--r-- | sys/i386/isa/asc.c | 870 | ||||
| -rw-r--r-- | sys/i386/isa/ascreg.h | 96 |
4 files changed, 0 insertions, 973 deletions
diff --git a/sys/conf/files.i386 b/sys/conf/files.i386 index 1594111..1063e8d 100644 --- a/sys/conf/files.i386 +++ b/sys/conf/files.i386 @@ -258,7 +258,6 @@ i386/ibcs2/ibcs2_util.c optional ibcs2 i386/ibcs2/ibcs2_xenix.c optional ibcs2 i386/ibcs2/ibcs2_xenix_sysent.c optional ibcs2 i386/ibcs2/imgact_coff.c optional ibcs2 -i386/isa/asc.c count asc i386/isa/atpic.c standard i386/isa/atpic_vector.s standard i386/isa/clock.c standard diff --git a/sys/i386/conf/NOTES b/sys/i386/conf/NOTES index 5ebc167..1398b5e 100644 --- a/sys/i386/conf/NOTES +++ b/sys/i386/conf/NOTES @@ -637,7 +637,6 @@ options SAFE_RNDTEST # enable rndtest support # cy: Cyclades serial driver # digi: Digiboard driver # gp: National Instruments AT-GPIB and AT-GPIB/TNT board, PCMCIA-GPIB -# asc: GI1904-based hand scanners, e.g., the Trust Amiscan Grey # gsc: Genius GS-4500 hand scanner. # spic: Sony Programmable I/O controller (VAIO notebooks) # stl: Stallion EasyIO and EasyConnection 8/32 (cd1400 based) @@ -728,11 +727,6 @@ device gsc 1 hint.gsc.0.at="isa" hint.gsc.0.port="0x270" hint.gsc.0.drq="3" -device asc 1 -hint.asc.0.at="isa" -hint.asc.0.port="0x3EB" -hint.asc.0.drq="3" -hint.asc.0.irq="10" device spic hint.spic.0.at="isa" hint.spic.0.port="0x10a0" diff --git a/sys/i386/isa/asc.c b/sys/i386/isa/asc.c deleted file mode 100644 index 140ae5a..0000000 --- a/sys/i386/isa/asc.c +++ /dev/null @@ -1,870 +0,0 @@ -/* asc.c - device driver for hand scanners - * - * Current version supports: - * - * - AmiScan (Mustek) Color and BW hand scanners (GI1904 chipset) - * - * Copyright (c) 1995 Gunther Schadow. All rights reserved. - * Copyright (c) 1995,1996,1997 Luigi Rizzo. All rights reserved. - * - * 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 Gunther Schadow - * and Luigi Rizzo. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "asc.h" -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/conf.h> -#include <sys/proc.h> -#include <sys/malloc.h> -#include <sys/kernel.h> -#include <sys/poll.h> -#include <sys/selinfo.h> -#include <sys/uio.h> -#include <sys/bus.h> - -#include <machine/asc_ioctl.h> - -#include <i386/isa/isa.h> -#include <i386/isa/isa_device.h> -#include <i386/isa/ascreg.h> - -#ifndef COMPAT_OLDISA -#error "The asc device requires the old isa compatibility shims" -#endif - -/*** - *** CONSTANTS & DEFINES - *** - ***/ - -#define PROBE_FAIL 0 -#define PROBE_SUCCESS IO_ASCSIZE -#define ATTACH_FAIL 0 -#define ATTACH_SUCCESS 1 -#define SUCCESS 0 -#define FAIL -1 -#define INVALID FAIL - -#define DMA1_READY 0x08 -#define ASCDEBUG -#ifdef ASCDEBUG -# define lprintf if(scu->flags & FLAG_DEBUG) printf -#else -# define lprintf (void) -#endif - -#define TIMEOUT (hz*15) /* timeout while reading a buffer - default value */ -#define ASCPRI PRIBIO /* priority while reading a buffer */ - -/*** - *** LAYOUT OF THE MINOR NUMBER - ***/ - -#define UNIT_MASK 0xc0 /* unit asc0 .. asc3 */ -#define UNIT(x) (x >> 6) -#define DBUG_MASK 0x20 -#define FRMT_MASK 0x18 /* output format */ -#define FRMT_RAW 0x00 /* output bits as read from scanner */ -#define FRMT_GRAY 0x1 /* output gray mode for color scanner */ -#define FRMT_PBM 0x08 /* output pbm format */ -#define FRMT_PGM 0x18 - -/*** - *** THE GEMOMETRY TABLE - ***/ - -#define GREY_LINE 826 /* 825, or 826 , or 550 ??? */ -static const struct asc_geom { - int dpi; /* dots per inch */ - int dpl; /* dots per line */ - int bpl; /* bytes per line */ - int g_res; /* get resolution value (ASC_STAT) */ -} geomtab[] = { - { 800, 3312, 414, ASC_RES_800}, - { 700, 2896, 362, ASC_RES_700}, - { 600, 2480, 310, ASC_RES_600}, - { 500, 1656, 258, ASC_RES_500}, - { 400, 1656, 207, ASC_RES_400}, - { 300, 1240, 155, ASC_RES_300}, - { 200, 832, 104, ASC_RES_200}, - { 100, 416, 52, ASC_RES_100}, - { 200, 3*GREY_LINE, 3*GREY_LINE, 0 /* returned by color scanner */}, - { 200, GREY_LINE, GREY_LINE, 0 /* color scanner, grey mode */}, - { INVALID, 416, 52, INVALID } /* terminator */ -}; - -/*** - *** THE TABLE OF UNITS - ***/ - -struct _sbuf { - size_t size; - size_t rptr; - size_t wptr; /* only changed in ascintr */ - size_t count; - char *base; -}; - -struct asc_unit { - long thedev; /* XXX */ - int base; /* base address */ - int dma_num; /* dma number */ - char dma_byte; /* mask of byte for setting DMA value */ - char int_byte; /* mask of byte for setting int value */ - char cfg_byte; /* mirror of byte written to config reg (ASC_CFG). */ - char cmd_byte; /* mirror of byte written to cmd port (ASC_CMD)*/ - char portf_byte; - int flags; -#define ATTACHED 0x01 -#define OPEN 0x02 -#define READING 0x04 -#define DMA_ACTIVE 0x08 -#define SLEEPING 0x10 -#define SEL_COLL 0x20 -#define PBM_MODE 0x40 -#define FLAG_DEBUG 0x80 - int geometry; /* resolution as geomtab index */ - int linesize; /* length of one scan line (from geom.table) */ - int blen; /* length of buffer in lines */ - int btime; /* timeout of buffer in seconds/hz */ - struct _sbuf sbuf; - long icnt; /* interrupt count XXX for debugging */ - struct selinfo selp; - int height; /* height, for pnm modes */ - size_t bcount; /* bytes to read, for pnm modes */ -}; - -static struct asc_unit unittab[NASC]; - -/*** I could not find a reasonable buffer size limit other than by - *** experiments. MAXPHYS is obviously too much, while DEV_BSIZE and - *** PAGE_SIZE are really too small. There must be something wrong - *** with isa_dmastart/isa_dmarangecheck HELP!!! - *** - *** Note, must be DEFAULT_BLEN * samples_per_line <= MAX_BUFSIZE - ***/ -#define MAX_BUFSIZE 0xb000 /* XXX was 0x3000 */ -#define DEFAULT_BLEN 16 - -/*** - *** THE PER-DRIVER RECORD FOR ISA.C - ***/ -static int ascprobe (struct isa_device *isdp); -static int ascattach(struct isa_device *isdp); - -struct isa_driver ascdriver = { - INTR_TYPE_TTY, - ascprobe, - ascattach, - "asc" -}; -COMPAT_ISA_DRIVER(asc, ascdriver); - -static ointhand2_t ascintr; - -static d_open_t ascopen; -static d_close_t ascclose; -static d_read_t ascread; -static d_ioctl_t ascioctl; -static d_poll_t ascpoll; - - -static struct cdevsw asc_cdevsw = { - .d_version = D_VERSION, - .d_flags = D_NEEDGIANT, - .d_open = ascopen, - .d_close = ascclose, - .d_read = ascread, - .d_ioctl = ascioctl, - .d_poll = ascpoll, - .d_name = "asc", -}; - -#define STATIC static - -/*** - *** LOCALLY USED SUBROUTINES - *** - ***/ - -/*** - *** get_resolution - *** read resolution from the scanner - ***/ -static void -get_resolution(struct asc_unit *scu) -{ - int res, i, delay; - - res=0; - scu->cmd_byte = ASC_STANDBY; - outb(ASC_CMD, scu->cmd_byte); - tsleep(scu, ASCPRI | PCATCH, "ascres", hz/10); - for(delay= 100; (res=inb(ASC_STAT)) & ASC_RDY_FLAG; delay--) - { - i = tsleep(scu, ASCPRI | PCATCH, "ascres0", 1); - if ( ( i == 0 ) || ( i == EWOULDBLOCK ) ) - i = SUCCESS; - else - break; - } - if (delay==0) { - lprintf("asc.get_resolution: timeout completing command\n"); - return /* -1 */; - } - /* ... actual read resolution... */ - res &= ASC_RES_MASK; - for (i=0; geomtab[i].dpi != INVALID; i++) { - if (geomtab[i].g_res == res) break; - } - if (geomtab[i].dpi==INVALID) { - scu->geometry= i; /* INVALID; */ - lprintf("asc.get_resolution: wrong resolution\n"); - } else { - lprintf("asc.get_resolution: %d dpi\n",geomtab[i].dpi); - scu->geometry = i; - } - scu->portf_byte=0; /* default */ - if (geomtab[scu->geometry].g_res==0 && !(scu->thedev&FRMT_GRAY)) { - /* color scanner seems to require this */ - scu->portf_byte=2; - /* scu->geometry++; */ - } - scu->linesize = geomtab[scu->geometry].bpl; - scu->height = geomtab[scu->geometry].dpl; /* default... */ -} - -/*** - *** buffer_allocate - *** allocate/reallocate a buffer - *** Now just checks that the preallocated buffer is large enough. - ***/ - -static int -buffer_allocate(struct asc_unit *scu) -{ - size_t size, size1; - - size = scu->blen * scu->linesize; - - lprintf("asc.buffer_allocate: need 0x%x bytes\n", size); - - if ( size > MAX_BUFSIZE ) { - size1=size; - size= ( (MAX_BUFSIZE+scu->linesize-1) / scu->linesize)*scu->linesize; - lprintf("asc.buffer_allocate: 0x%x bytes are too much, try 0x%x\n", - size1, size); - return ENOMEM; - } - - scu->sbuf.size = size; - scu->sbuf.rptr = 0; - scu->sbuf.wptr = 0; - scu->sbuf.count = 0; /* available data for reading */ - - lprintf("asc.buffer_allocate: ok\n"); - - return SUCCESS; -} - -/*** dma_restart - *** invoked locally to start dma. Must run in a critical section - ***/ -static void -dma_restart(struct asc_unit *scu) -{ - unsigned char al=scu->cmd_byte; - - if (geomtab[scu->geometry].g_res==0) {/* color */ - isa_dmastart(ISADMA_READ, scu->sbuf.base+scu->sbuf.wptr, - scu->linesize + 90 /* XXX */ , scu->dma_num); - /* - * looks like we have to set and then clear this - * bit to enable the scanner to send interrupts - */ - outb( ASC_CMD, al |= 4 ); /* seems to disable interrupts */ -#if 0 - outb( ASC_CMD, al |= 8 ); /* ??? seems useless */ -#endif - outb( ASC_CMD, al &= 0xfb ); - scu->cmd_byte = al; - } else { /* normal */ - isa_dmastart(ISADMA_READ, scu->sbuf.base+scu->sbuf.wptr, - scu->linesize, scu->dma_num); - /*** this is done in sub_20, after dmastart ? ***/ -#if 0 - outb( ASC_CMD, al |= 4 ); - outb( ASC_CMD, al |= 8 ); /* ??? seems useless */ - outb( ASC_CMD, al &= 0xfb ); - scu->cmd_byte = al; -#else - outb( ASC_CMD, ASC_OPERATE); -#endif - } - scu->flags |= DMA_ACTIVE; -} - -/*** - *** the main functions - ***/ - -/*** asc_reset - *** resets the scanner and the config bytes... - ***/ -static void -asc_reset(struct asc_unit *scu) -{ - scu->cfg_byte = 0 ; /* clear... */ - scu->cmd_byte = 0 ; /* clear... */ - - outb(ASC_CFG,scu->cfg_byte); /* for safety, do this here */ - outb(ASC_CMD,scu->cmd_byte); /* probably not needed */ - tsleep(scu, ASCPRI | PCATCH, "ascres", hz/10); /* sleep .1 sec */ - - scu->blen = DEFAULT_BLEN; - scu->btime = TIMEOUT; - scu->height = 0 ; /* don't know better... */ -} -/************************************************************************** - *** - *** ascprobe - *** read status port and check for proper configuration: - *** - if address group matches (status byte has reasonable value) - *** cannot check interrupt/dma, only clear the config byte. - ***/ -static int -ascprobe (struct isa_device *isdp) -{ - int unit = isdp->id_unit; - struct asc_unit *scu = unittab + unit; - int stb; - - scu->base = isdp->id_iobase; /*** needed by the following macros ***/ - scu->flags = FLAG_DEBUG; - - if ( isdp->id_iobase < 0 ) { - lprintf("asc%d.probe: no iobase given\n", unit); - return PROBE_FAIL; - } - - if ((stb=inb(ASC_PROBE)) != ASC_PROBE_VALUE) { - lprintf("asc%d.probe: failed, got 0x%02x instead of 0x%02x\n", - unit, stb, ASC_PROBE_VALUE); - return PROBE_FAIL; - } - -/* - * NOTE NOTE NOTE - * the new AmiScan Color board uses int 10,11,12 instead of 3,5,10 - * respectively. This means that the driver must act accordingly. - * Unfortunately there is no easy way of telling which board one has, - * other than trying to get an interrupt and noticing that it is - * missing. use "option ASC_NEW_BOARD" if you have a new board. - * - */ - -#if ASC_NEW_BOARD -#define ASC_IRQ_A 10 -#define ASC_IRQ_B 11 -#define ASC_IRQ_C 12 -#else -#define ASC_IRQ_A 3 -#define ASC_IRQ_B 5 -#define ASC_IRQ_C 10 -#endif - - switch(ffs(isdp->id_irq) - 1) { - case ASC_IRQ_A : - scu->int_byte = ASC_CNF_IRQ3; - break; - case ASC_IRQ_B : - scu->int_byte = ASC_CNF_IRQ5; - break; - case ASC_IRQ_C : - scu->int_byte = ASC_CNF_IRQ10; - break; -#if 0 - case -1: - scu->int_byte = 0; - lprintf("asc%d.probe: warning - going interruptless\n", unit); - break; -#endif - default: - lprintf("asc%d.probe: unsupported INT %d (only 3, 5, 10)\n", - unit, ffs(isdp->id_irq) - 1 ); - return PROBE_FAIL; - } - scu->dma_num = isdp->id_drq; - switch(scu->dma_num) { - case 1: - scu->dma_byte = ASC_CNF_DMA1; - break; - case 3: - scu->dma_byte = ASC_CNF_DMA3; - break; - default: - lprintf("asc%d.probe: unsupported DMA %d (only 1 or 3)\n", - unit, scu->dma_num); - return PROBE_FAIL; - } - asc_reset(scu); -/* lprintf("asc%d.probe: ok\n", unit); */ - - scu->flags &= ~FLAG_DEBUG; - scu->icnt = 0; - return PROBE_SUCCESS; -} - -/************************************************************************** - *** - *** ascattach - *** finish initialization of unit structure, get geometry value (?) - ***/ - -static int -ascattach(struct isa_device *isdp) -{ - int unit = isdp->id_unit; - struct asc_unit *scu = unittab + unit; - - isdp->id_ointr = ascintr; - scu->flags |= FLAG_DEBUG; - printf("asc%d: [GI1904/Trust Ami-Scan Grey/Color]\n", unit); - - /* - * Initialize buffer structure. - * XXX this must be done early to give a good chance of getting a - * contiguous buffer. This wastes memory. - */ - scu->sbuf.base = contigmalloc((unsigned long)MAX_BUFSIZE, M_DEVBUF, M_NOWAIT, - 0ul, 0xfffffful, 1ul, 0x10000ul); - if ( scu->sbuf.base == NULL ) - { - lprintf("asc%d.attach: buffer allocation failed\n", unit); - return ATTACH_FAIL; /* XXX attach must not fail */ - } - scu->sbuf.size = INVALID; - scu->sbuf.rptr = INVALID; - - scu->flags |= ATTACHED; -/* lprintf("asc%d.attach: ok\n", unit); */ - scu->flags &= ~FLAG_DEBUG; - - scu->selp.si_flags=0; -#define ASC_UID 0 -#define ASC_GID 13 - make_dev(&asc_cdevsw, unit<<6, ASC_UID, ASC_GID, 0666, "asc%d", unit); - make_dev(&asc_cdevsw, ((unit<<6) + FRMT_PBM), - ASC_UID, ASC_GID, 0666, "asc%dp", unit); - make_dev(&asc_cdevsw, ((unit<<6) + DBUG_MASK), - ASC_UID, ASC_GID, 0666, "asc%dd", unit); - make_dev(&asc_cdevsw, ((unit<<6) + DBUG_MASK+FRMT_PBM), - ASC_UID, ASC_GID, 0666, "asc%dpd", unit); - return ATTACH_SUCCESS; -} - -/************************************************************************** - *** - *** ascintr - *** the interrupt routine, at the end of DMA... - ***/ -static void -ascintr(int unit) -{ - struct asc_unit *scu = unittab + unit; - int chan_bit = 0x01 << scu->dma_num; - - scu->icnt++; - /* ignore stray interrupts... */ - if ((scu->flags & (OPEN |READING)) != (OPEN | READING) ) { - /* must be after closing... */ - scu->flags &= ~(OPEN | READING | DMA_ACTIVE | SLEEPING | SEL_COLL); - return; - } - if ( (scu->flags & DMA_ACTIVE) && (inb(DMA1_READY) & chan_bit) != 0) { - outb( ASC_CMD, ASC_STANDBY); - scu->flags &= ~DMA_ACTIVE; - /* bounce buffers... */ - isa_dmadone(ISADMA_READ, scu->sbuf.base+scu->sbuf.wptr, - scu->linesize, scu->dma_num); - scu->sbuf.wptr += scu->linesize; - if (scu->sbuf.wptr >= scu->sbuf.size) scu->sbuf.wptr=0; - scu->sbuf.count += scu->linesize; - if (scu->flags & SLEEPING) { - scu->flags &= ~SLEEPING; - wakeup(scu); - } - if (scu->sbuf.size - scu->sbuf.count >= scu->linesize) { - dma_restart(scu); - } - if (SEL_WAITING(&scu->selp)) { - selwakeuppri(&scu->selp, ASCPRI); - } - } -} - -/************************************************************************** - *** - *** ascopen - *** set open flag, set modes according to minor number - *** FOR RELEASE: - *** don't switch scanner on, wait until first read or ioctls go before - ***/ - -STATIC int -ascopen(dev_t dev, int flags, int fmt, struct thread *td) -{ - struct asc_unit *scu; - int unit; - - unit = UNIT(minor(dev)) & UNIT_MASK; - if ( unit >= NASC ) - { -#ifdef ASCDEBUG - /* XXX lprintf isn't valid here since there is no scu. */ - printf("asc%d.open: unconfigured unit number (max %d)\n", unit, NASC); -#endif - return ENXIO; - } - scu = unittab + unit; - if ( !( scu->flags & ATTACHED ) ) - { - lprintf("asc%d.open: unit was not attached successfully 0x%04x\n", - unit, scu->flags); - return ENXIO; - } - - if ( minor(dev) & DBUG_MASK ) - scu->flags |= FLAG_DEBUG; - else - scu->flags &= ~FLAG_DEBUG; - - switch(minor(dev) & FRMT_MASK) { - case FRMT_PBM: - scu->flags |= PBM_MODE; - lprintf("asc%d.open: pbm mode\n", unit); - break; - case FRMT_RAW: - lprintf("asc%d.open: raw mode\n", unit); - scu->flags &= ~PBM_MODE; - break; - default: - lprintf("asc%d.open: gray maps are not yet supported", unit); - return ENXIO; - } - - lprintf("asc%d.open: minor %d icnt %ld\n", unit, minor(dev), scu->icnt); - - if ( scu->flags & OPEN ) { - lprintf("asc%d.open: already open", unit); - return EBUSY; - } - if (isa_dma_acquire(scu->dma_num)) - return(EBUSY); - - scu->flags = ATTACHED | OPEN; - - asc_reset(scu); - get_resolution(scu); - return SUCCESS; -} - -static int -asc_startread(struct asc_unit *scu) -{ - /*** from here on, things can be delayed to the first read/ioctl ***/ - /*** this was done in sub_12... ***/ - scu->cfg_byte= scu->cmd_byte=0; /* init scanner */ - outb(ASC_CMD, scu->cmd_byte); - /*** this was done in sub_16, set scan len... ***/ - outb(ASC_BOH, scu->portf_byte ); - if (geomtab[scu->geometry].g_res==0) { /* color */ - scu->cmd_byte = 0x00 ; - } else { - scu->cmd_byte = 0x90 ; - } - outb(ASC_CMD, scu->cmd_byte); - outb(ASC_LEN_L, scu->linesize & 0xff /* len_low */); - outb(ASC_LEN_H, (scu->linesize >>8) & 0xff /* len_high */); - /*** this was done in sub_21, config DMA ... ***/ - scu->cfg_byte |= scu->dma_byte; - outb(ASC_CFG, scu->cfg_byte); - /*** sub_22: enable int on the scanner ***/ - scu->cfg_byte |= scu->int_byte; - outb(ASC_CFG, scu->cfg_byte); - /*** sub_28: light on etc...***/ - scu->cmd_byte = ASC_STANDBY; - outb(ASC_CMD, scu->cmd_byte); - tsleep(scu, ASCPRI | PCATCH, "ascstrd", hz/10); /* sleep .1 sec */ - return SUCCESS; -} - -/************************************************************************** - *** - *** ascclose - *** turn off scanner, release the buffer - *** should probably terminate dma ops, release int and dma. lr 12mar95 - ***/ - -STATIC int -ascclose(dev_t dev, int flags, int fmt, struct thread *td) -{ - int unit = UNIT(minor(dev)); - struct asc_unit *scu = unittab + unit; - - lprintf("asc%d.close: minor %d\n", - unit, minor(dev)); - - if ( unit >= NASC || !( scu->flags & ATTACHED ) ) { - lprintf("asc%d.close: unit was not attached successfully 0x%04x\n", - unit, scu->flags); - return ENXIO; - } - /* all this is in sub_29... */ - /* cli(); */ - outb(ASC_CFG, 0 ); /* don't save in CFG byte!!! */ - scu->cmd_byte &= ~ASC_LIGHT_ON; - outb(ASC_CMD, scu->cmd_byte);/* light off */ - tsleep(scu, ASCPRI | PCATCH, "ascclo", hz/2); /* sleep 1/2 sec */ - scu->cfg_byte &= ~ scu->dma_byte ; /* disable scanner dma */ - scu->cfg_byte &= ~ scu->int_byte ; /* disable scanner int */ - outb(ASC_CFG, scu->cfg_byte); - /* --- disable dma controller ? --- */ - isa_dma_release(scu->dma_num); - /* --- disable interrupts on the controller (sub_24) --- */ - - scu->sbuf.size = INVALID; - scu->sbuf.rptr = INVALID; - - scu->flags &= ~(FLAG_DEBUG | OPEN | READING); - - return SUCCESS; -} - -static void -pbm_init(struct asc_unit *scu) -{ - int width = geomtab[scu->geometry].dpl; - int l= sprintf(scu->sbuf.base,"P4 %d %d\n", width, scu->height); - char *p; - - scu->bcount = scu->height * width / 8 + l; - - /* move header to end of sbuf */ - scu->sbuf.rptr=scu->sbuf.size-l; - bcopy(scu->sbuf.base, scu->sbuf.base+scu->sbuf.rptr,l); - scu->sbuf.count = l; - if (geomtab[scu->geometry].g_res!=0) { /* BW scanner */ - for(p = scu->sbuf.base + scu->sbuf.rptr; l; p++, l--) - *p = ~*p; -} -} -/************************************************************************** - *** - *** ascread - ***/ - -STATIC int -ascread(dev_t dev, struct uio *uio, int ioflag) -{ - int unit = UNIT(minor(dev)); - struct asc_unit *scu = unittab + unit; - size_t nbytes; - int sps, res; - unsigned char *p; - - lprintf("asc%d.read: minor %d icnt %ld\n", unit, minor(dev), scu->icnt); - - if ( unit >= NASC || !( scu->flags & ATTACHED ) ) { - lprintf("asc%d.read: unit was not attached successfully 0x%04x\n", - unit, scu->flags); - return ENXIO; - } - - if ( !(scu->flags & READING) ) { /*** first read... ***/ - /* allocate a buffer for reading data and init things */ - if ( (res = buffer_allocate(scu)) == SUCCESS ) scu->flags |= READING; - else return res; - asc_startread(scu); - if ( scu->flags & PBM_MODE ) { /* initialize for pbm mode */ - pbm_init(scu); - } - } - - lprintf("asc%d.read(before): " - "sz 0x%x, rptr 0x%x, wptr 0x%x, cnt 0x%x bcnt 0x%x flags 0x%x icnt %ld\n", - unit, scu->sbuf.size, scu->sbuf.rptr, - scu->sbuf.wptr, scu->sbuf.count, scu->bcount,scu->flags, - scu->icnt); - - sps=spltty(); - if ( scu->sbuf.count == 0 ) { /* no data avail., must wait */ - if (!(scu->flags & DMA_ACTIVE)) dma_restart(scu); - scu->flags |= SLEEPING; - res = tsleep(scu, ASCPRI | PCATCH, "ascread", 0); - scu->flags &= ~SLEEPING; - if ( res == 0 ) res = SUCCESS; - } - splx(sps); /* lower priority... */ - if (scu->flags & FLAG_DEBUG) - tsleep(scu, ASCPRI | PCATCH, "ascdly",hz); - lprintf("asc%d.read(after): " - "sz 0x%x, rptr 0x%x, wptr 0x%x, cnt 0x%x bcnt 0x%x flags 0x%x icnt %ld\n", - unit, scu->sbuf.size, scu->sbuf.rptr, - scu->sbuf.wptr, scu->sbuf.count, scu->bcount,scu->flags,scu->icnt); - - /* first, not more than available... */ - nbytes = min( uio->uio_resid, scu->sbuf.count ); - /* second, contiguous data... */ - nbytes = min( nbytes, (scu->sbuf.size - scu->sbuf.rptr) ); - /* third, one line (will remove this later, XXX) */ - nbytes = min( nbytes, scu->linesize ); - if ( (scu->flags & PBM_MODE) ) - nbytes = min( nbytes, scu->bcount ); - lprintf("asc%d.read: transferring 0x%x bytes\n", unit, nbytes); - if (geomtab[scu->geometry].g_res!=0) { /* BW scanner */ - lprintf("asc%d.read: invert buffer\n",unit); - for(p = scu->sbuf.base + scu->sbuf.rptr, res=nbytes; res; p++, res--) - *p = ~*p; - } - res = uiomove(scu->sbuf.base + scu->sbuf.rptr, nbytes, uio); - if ( res != SUCCESS ) { - lprintf("asc%d.read: uiomove failed %d", unit, res); - return res; - } - - sps=spltty(); - scu->sbuf.rptr += nbytes; - if (scu->sbuf.rptr >= scu->sbuf.size) scu->sbuf.rptr=0; - scu->sbuf.count -= nbytes; - /* having moved some data, can read mode */ - if (!(scu->flags & DMA_ACTIVE)) dma_restart(scu); - splx(sps); /* lower priority... */ - if ( scu->flags & PBM_MODE ) scu->bcount -= nbytes; - - lprintf("asc%d.read: size 0x%x, pointer 0x%x, bcount 0x%x, ok\n", - unit, scu->sbuf.size, scu->sbuf.rptr, scu->bcount); - - return SUCCESS; -} - -/************************************************************************** - *** - *** ascioctl - ***/ - -STATIC int -ascioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct thread *td) -{ - int unit = UNIT(minor(dev)); - struct asc_unit *scu = unittab + unit; - - lprintf("asc%d.ioctl: minor %d\n", - unit, minor(dev)); - - if ( unit >= NASC || !( scu->flags & ATTACHED ) ) { - lprintf("asc%d.ioctl: unit was not attached successfully 0x%04x\n", - unit, scu->flags); - return ENXIO; - } - switch(cmd) { - case ASC_GRES: - asc_reset(scu); - get_resolution(scu); - *(int *)data=geomtab[scu->geometry].dpi; - lprintf("asc%d.ioctl:ASC_GRES %ddpi\n", unit, *(int *)data); - return SUCCESS; - case ASC_GWIDTH: - *(int *)data=geomtab[scu->geometry].dpl; - lprintf("asc%d.ioctl:ASC_GWIDTH %d\n", unit, *(int *)data); - return SUCCESS; - case ASC_GHEIGHT: - *(int *)data=scu->height; - lprintf("asc%d.ioctl:ASC_GHEIGHT %d\n", unit, *(int *)data); - return SUCCESS; - case ASC_SHEIGHT: - lprintf("asc%d.ioctl:ASC_SHEIGHT %d\n", unit, *(int *)data); - if ( scu->flags & READING ) { - lprintf("asc%d:ioctl on already reading unit\n", unit); - return EBUSY; - } - scu->height=*(int *)data; - return SUCCESS; -#if 0 - case ASC_GBLEN: - *(int *)data=scu->blen; - lprintf("asc%d.ioctl:ASC_GBLEN %d\n", unit, *(int *)data); - return SUCCESS; - case ASC_SBLEN: - lprintf("asc%d.ioctl:ASC_SBLEN %d\n", unit, *(int *)data); - if (*(int *)data * geomtab[scu->geometry].dpl / 8 > MAX_BUFSIZE) - { - lprintf("asc%d:ioctl buffer size too high\n", unit); - return ENOMEM; - } - scu->blen=*(int *)data; - return SUCCESS; - case ASC_GBTIME: - *(int *)data = scu->btime / hz; - lprintf("asc%d.ioctl:ASC_GBTIME %d\n", unit, *(int *)data); - return SUCCESS; - case ASC_SBTIME: - scu->btime = *(int *)data * hz; - lprintf("asc%d.ioctl:ASC_SBTIME %d\n", unit, *(int *)data); - return SUCCESS; -#endif - default: return ENOTTY; - } - return SUCCESS; -} - -STATIC int -ascpoll(dev_t dev, int events, struct thread *td) -{ - int unit = UNIT(minor(dev)); - struct asc_unit *scu = unittab + unit; - int sps; - int revents = 0; - - sps=spltty(); - - if (events & (POLLIN | POLLRDNORM)) { - if (scu->sbuf.count >0) - revents |= events & (POLLIN | POLLRDNORM); - else { - if (!(scu->flags & DMA_ACTIVE)) - dma_restart(scu); - - selrecord(td, &scu->selp); - } - } - splx(sps); - return (revents); -} diff --git a/sys/i386/isa/ascreg.h b/sys/i386/isa/ascreg.h deleted file mode 100644 index 9fcb9a3..0000000 --- a/sys/i386/isa/ascreg.h +++ /dev/null @@ -1,96 +0,0 @@ -/* ascreg.h - port and bit definitions for the GI-1904 interface - * - * Copyright (c) 1995 Gunther Schadow. All rights reserved. - * Copyright (c) 1995 Luigi Rizzo. All rights reserved. - * - * 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 Gunther Schadow. - * and Luigi Rizzo - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -/* - * $FreeBSD$ - */ - - /*** Registers (base=3EB): ************/ -#define ASC_CFG (scu->base) - /*** ASC_CFG 3EB: configuration register. Write only, mirror in RAM - *** 7 6 5 4 3 2 1 0 - *** - - I_5 I_3 I10 D_3 - D_1 - ***/ - /*** #define ASC_CNF_MASK 0x3D */ /* was 0x5a */ -#define ASC_CNF_DMA1 0x01 /* was (~0x02 & ASC_CNF_MASK) */ -#define ASC_CNF_DMA3 0x04 /* was (~0x08 & ASC_CNF_MASK) */ -#define ASC_CNF_IRQ3 0x10 /* was (~0x10 & ASC_CNF_MASK) */ -#define ASC_CNF_IRQ5 0x20 /* was (~0x40 & ASC_CNF_MASK) */ -#define ASC_CNF_IRQ10 0x08 /* was (~0x40 & ASC_CNF_MASK) */ - - /*** ASC_STAT 3EC: command/status; rw, mirror in ram - *** 7 6 5 4 3 2 1 0 - *** BSY - - - - - - - - *** [<-- Resolution -->] 13h,10h,0eh,0ch,09h, 07h, 04h, 02h - ***/ -#define ASC_STAT (scu->base + 1) - -#define ASC_RDY_FLAG 0x80 -#define ASC_RES_MASK 0x3f -#define ASC_RES_800 0x13 -#define ASC_RES_700 0x10 -#define ASC_RES_600 0x0e -#define ASC_RES_500 0x0c -#define ASC_RES_400 0x09 /* 0x00 */ -#define ASC_RES_300 0x07 /* 0x04 */ -#define ASC_RES_200 0x04 /* 0x20 */ -#define ASC_RES_100 0x02 /* 0x24 */ - - /*** ASC_CMD 3EC: command/status; rw, mirror in ram - *** W: 7 6 5 4 3 2 1 0 - *** . - - . . . . . - *** b0: 1: light on & get resolution, 0: light off - *** b1: 0: load scan len (sub_16, with b4=1, b7=1) - *** b2: 1/0 : dma stuff - *** b3: 0/1 : dma stuff - *** b4: 1 : load scan len (sub_16, with b1=0, b7=1) - *** b5: ? - *** b6: ? - *** b7: ? : set at beginning of sub_16 - ***/ -#define ASC_CMD (scu->base + 1) - -#define ASC_LIGHT_ON 0x01 -#define ASC_SET_B2 0x04 -#define ASC_OPERATE 0x91 /* from linux driver... */ -#define ASC_STANDBY 0x05 /* from linux driver... */ - - /*** ASC_LEN_L, ASC_LEN_H 3ED, 3EE: transfer length, lsb first ***/ -#define ASC_LEN_L ((scu->base)+2) -#define ASC_LEN_H ((scu->base)+3) - - /*** 3EE ASC_PROBE (must read ASC_PROBE_VALUE) ***/ -#define ASC_PROBE ((scu->base)+3) -#define ASC_PROBE_VALUE 0xA5 - - /*** ASC_BOH 3EF: always write 0 at the moment, read some values ? ***/ -#define ASC_BOH ((scu->base)+4) |
