mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-18 10:35:55 +00:00
Merge up to rev 1.226 of i386/isa/sio.c
This commit is contained in:
Peter Wemm
parent
8da287cee8
commit
c976cd3849
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=45729
@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: sio.c,v 1.221 1999/01/30 12:17:35 phk Exp $
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* $Id: sio.c,v 1.222 1999/04/16 21:22:34 peter Exp $
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* from: @(#)com.c 7.5 (Berkeley) 5/16/91
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* from: i386/isa sio.c,v 1.215
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*/
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@ -80,6 +80,9 @@
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#include <machine/clock.h>
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#include <machine/ipl.h>
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#ifndef SMP
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#include <machine/lock.h>
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#endif
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#include <machine/resource.h>
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#include <isa/sioreg.h>
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@ -341,9 +344,6 @@ static timeout_t comwakeup;
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static void disc_optim __P((struct tty *tp, struct termios *t,
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struct com_s *com));
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#ifdef DSI_SOFT_MODEM
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static int LoadSoftModem __P((int unit,int base_io, u_long size, u_char *ptr));
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#endif /* DSI_SOFT_MODEM */
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static char driver_name[] = "sio";
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@ -989,12 +989,6 @@ sioattach(dev)
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/* attempt to determine UART type */
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printf("sio%d: type", unit);
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#ifdef DSI_SOFT_MODEM
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if((inb(iobase+7) ^ inb(iobase+7)) & 0x80) {
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printf(" Digicom Systems, Inc. SoftModem");
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goto determined_type;
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}
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#endif /* DSI_SOFT_MODEM */
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#ifdef COM_MULTIPORT
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if (!COM_ISMULTIPORT(flags) && !COM_IIR_TXRDYBUG(flags))
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@ -1558,7 +1552,6 @@ siointr1(com)
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u_char modem_status;
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u_char *ioptr;
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u_char recv_data;
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u_char int_ident;
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u_char int_ctl;
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u_char int_ctl_new;
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@ -1782,34 +1775,6 @@ sioioctl(dev, cmd, data, flag, p)
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case TIOCGWINSZ:
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bzero(data, sizeof(struct winsize));
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return (0);
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#ifdef DSI_SOFT_MODEM
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/*
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* Download micro-code to Digicom modem.
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*/
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case TIOCDSIMICROCODE:
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{
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u_long l;
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u_char *p,*pi;
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pi = (u_char*)(*(caddr_t*)data);
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error = copyin(pi,&l,sizeof l);
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if(error)
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{return error;};
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pi += sizeof l;
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p = malloc(l,M_TEMP,M_NOWAIT);
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if(!p)
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{return ENOBUFS;}
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error = copyin(pi,p,l);
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if(error)
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{free(p,M_TEMP); return error;};
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if(error = LoadSoftModem(
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MINOR_TO_UNIT(mynor),iobase,l,p))
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{free(p,M_TEMP); return error;}
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free(p,M_TEMP);
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return(0);
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}
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#endif /* DSI_SOFT_MODEM */
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default:
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return (ENOTTY);
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}
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@ -2074,11 +2039,9 @@ comparam(tp, t)
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int divisor;
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u_char dlbh;
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u_char dlbl;
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int error;
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Port_t iobase;
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int s;
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int unit;
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int txtimeout;
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/* do historical conversions */
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if (t->c_ispeed == 0)
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@ -2144,54 +2107,8 @@ comparam(tp, t)
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outb(iobase + com_fifo, com->fifo_image);
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}
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/*
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* Some UARTs lock up if the divisor latch registers are selected
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* while the UART is doing output (they refuse to transmit anything
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* more until given a hard reset). Fix this by stopping filling
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* the device buffers and waiting for them to drain. Reading the
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* line status port outside of siointr1() might lose some receiver
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* error bits, but that is acceptable here.
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*/
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disable_intr();
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retry:
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com->state &= ~CS_TTGO;
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txtimeout = tp->t_timeout;
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enable_intr();
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while ((inb(com->line_status_port) & (LSR_TSRE | LSR_TXRDY))
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!= (LSR_TSRE | LSR_TXRDY)) {
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tp->t_state |= TS_SO_OCOMPLETE;
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error = ttysleep(tp, TSA_OCOMPLETE(tp), TTIPRI | PCATCH,
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"siotx", hz / 100);
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if ( txtimeout != 0
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&& (!error || error == EAGAIN)
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&& (txtimeout -= hz / 100) <= 0
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)
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error = EIO;
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if (com->gone)
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error = ENODEV;
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if (error != 0 && error != EAGAIN) {
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if (!(tp->t_state & TS_TTSTOP)) {
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disable_intr();
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com->state |= CS_TTGO;
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enable_intr();
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}
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splx(s);
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return (error);
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}
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}
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disable_intr(); /* very important while com_data is hidden */
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/*
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* XXX - clearing CS_TTGO is not sufficient to stop further output,
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* because siopoll() calls comstart() which usually sets it again
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* because TS_TTSTOP is clear. Setting TS_TTSTOP would not be
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* sufficient, for similar reasons.
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*/
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if ((inb(com->line_status_port) & (LSR_TSRE | LSR_TXRDY))
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!= (LSR_TSRE | LSR_TXRDY))
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goto retry;
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if (divisor != 0) {
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outb(iobase + com_cfcr, cfcr | CFCR_DLAB);
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/*
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@ -2383,7 +2300,6 @@ siostop(tp, rw)
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/* XXX avoid h/w bug. */
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if (!com->esp)
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#endif
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/* XXX does this flush everything? */
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outb(com->iobase + com_fifo,
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FIFO_XMT_RST | com->fifo_image);
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com->obufs[0].l_queued = FALSE;
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@ -2399,7 +2315,6 @@ siostop(tp, rw)
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/* XXX avoid h/w bug. */
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if (!com->esp)
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#endif
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/* XXX does this flush everything? */
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outb(com->iobase + com_fifo,
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FIFO_RCV_RST | com->fifo_image);
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com_events -= (com->iptr - com->ibuf);
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@ -2745,6 +2660,9 @@ siocnclose(sp, iobase)
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outb(iobase + com_ier, sp->ier);
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}
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#ifdef __i386__
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static
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#endif
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void
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siocnprobe(cp)
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struct consdev *cp;
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@ -2903,6 +2821,9 @@ siogdbattach(port, speed)
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#endif
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#ifdef __i386__
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static
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#endif
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void
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siocninit(cp)
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struct consdev *cp;
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@ -2910,6 +2831,9 @@ siocninit(cp)
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comconsole = DEV_TO_UNIT(cp->cn_dev);
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}
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#ifdef __i386__
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static
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#endif
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int
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siocncheckc(dev)
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dev_t dev;
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@ -3002,126 +2926,6 @@ siogdbputc(c)
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splx(s);
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}
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#ifdef DSI_SOFT_MODEM
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/*
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* The magic code to download microcode to a "Connection 14.4+Fax"
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* modem from Digicom Systems Inc. Very magic.
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*/
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#define DSI_ERROR(str) { ptr = str; goto error; }
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static int
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LoadSoftModem(int unit, int base_io, u_long size, u_char *ptr)
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{
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int int_c,int_k;
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int data_0188, data_0187;
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/*
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* First see if it is a DSI SoftModem
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*/
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if(!((inb(base_io+7) ^ inb(base_io+7)) & 0x80))
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return ENODEV;
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data_0188 = inb(base_io+4);
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data_0187 = inb(base_io+3);
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outb(base_io+3,0x80);
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outb(base_io+4,0x0C);
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outb(base_io+0,0x31);
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outb(base_io+1,0x8C);
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outb(base_io+7,0x10);
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outb(base_io+7,0x19);
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if(0x18 != (inb(base_io+7) & 0x1A))
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DSI_ERROR("dsp bus not granted");
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if(0x01 != (inb(base_io+7) & 0x01)) {
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outb(base_io+7,0x18);
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outb(base_io+7,0x19);
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if(0x01 != (inb(base_io+7) & 0x01))
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DSI_ERROR("program mem not granted");
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}
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int_c = 0;
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while(1) {
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if(int_c >= 7 || size <= 0x1800)
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break;
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for(int_k = 0 ; int_k < 0x800; int_k++) {
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outb(base_io+0,*ptr++);
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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size -= 0x1800;
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int_c++;
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}
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if(size > 0x1800) {
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outb(base_io+7,0x18);
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outb(base_io+7,0x19);
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if(0x00 != (inb(base_io+7) & 0x01))
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DSI_ERROR("program data not granted");
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for(int_k = 0 ; int_k < 0x800; int_k++) {
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outb(base_io+1,*ptr++);
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outb(base_io+2,0);
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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size -= 0x1800;
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while(size > 0x1800) {
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for(int_k = 0 ; int_k < 0xC00; int_k++) {
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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size -= 0x1800;
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}
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if(size < 0x1800) {
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for(int_k=0;int_k<size/2;int_k++) {
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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}
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} else if (size > 0) {
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if(int_c == 7) {
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outb(base_io+7,0x18);
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outb(base_io+7,0x19);
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if(0x00 != (inb(base_io+7) & 0x01))
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DSI_ERROR("program data not granted");
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for(int_k = 0 ; int_k < size/3; int_k++) {
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outb(base_io+1,*ptr++);
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outb(base_io+2,0);
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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} else {
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for(int_k = 0 ; int_k < size/3; int_k++) {
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outb(base_io+0,*ptr++);
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outb(base_io+1,*ptr++);
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outb(base_io+2,*ptr++);
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}
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}
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}
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outb(base_io+7,0x11);
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outb(base_io+7,3);
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outb(base_io+4,data_0188 & 0xfb);
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outb(base_io+3,data_0187);
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return 0;
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error:
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printf("sio%d: DSI SoftModem microcode load failed: <%s>\n",unit,ptr);
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outb(base_io+7,0x00); \
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outb(base_io+3,data_0187); \
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outb(base_io+4,data_0188); \
|
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return EIO;
|
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}
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#endif /* DSI_SOFT_MODEM */
|
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|
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/*
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* support PnP cards if we are using 'em
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@ -3199,7 +3003,7 @@ siopnp_attach(u_long csn, u_long vend_id, char *name, struct isa_device *dev)
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|
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dev->id_iobase = d.port[0];
|
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dev->id_irq = (1 << d.irq[0]);
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dev->id_intr = siointr;
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dev->id_ointr = siointr;
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dev->id_ri_flags = RI_FAST;
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dev->id_drq = -1;
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|
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|
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224
sys/isa/sio.c
224
sys/isa/sio.c
@ -30,7 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $Id: sio.c,v 1.221 1999/01/30 12:17:35 phk Exp $
|
||||
* $Id: sio.c,v 1.222 1999/04/16 21:22:34 peter Exp $
|
||||
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
|
||||
* from: i386/isa sio.c,v 1.215
|
||||
*/
|
||||
@ -80,6 +80,9 @@
|
||||
|
||||
#include <machine/clock.h>
|
||||
#include <machine/ipl.h>
|
||||
#ifndef SMP
|
||||
#include <machine/lock.h>
|
||||
#endif
|
||||
#include <machine/resource.h>
|
||||
|
||||
#include <isa/sioreg.h>
|
||||
@ -341,9 +344,6 @@ static timeout_t comwakeup;
|
||||
static void disc_optim __P((struct tty *tp, struct termios *t,
|
||||
struct com_s *com));
|
||||
|
||||
#ifdef DSI_SOFT_MODEM
|
||||
static int LoadSoftModem __P((int unit,int base_io, u_long size, u_char *ptr));
|
||||
#endif /* DSI_SOFT_MODEM */
|
||||
|
||||
static char driver_name[] = "sio";
|
||||
|
||||
@ -989,12 +989,6 @@ sioattach(dev)
|
||||
/* attempt to determine UART type */
|
||||
printf("sio%d: type", unit);
|
||||
|
||||
#ifdef DSI_SOFT_MODEM
|
||||
if((inb(iobase+7) ^ inb(iobase+7)) & 0x80) {
|
||||
printf(" Digicom Systems, Inc. SoftModem");
|
||||
goto determined_type;
|
||||
}
|
||||
#endif /* DSI_SOFT_MODEM */
|
||||
|
||||
#ifdef COM_MULTIPORT
|
||||
if (!COM_ISMULTIPORT(flags) && !COM_IIR_TXRDYBUG(flags))
|
||||
@ -1558,7 +1552,6 @@ siointr1(com)
|
||||
u_char modem_status;
|
||||
u_char *ioptr;
|
||||
u_char recv_data;
|
||||
u_char int_ident;
|
||||
u_char int_ctl;
|
||||
u_char int_ctl_new;
|
||||
|
||||
@ -1782,34 +1775,6 @@ sioioctl(dev, cmd, data, flag, p)
|
||||
case TIOCGWINSZ:
|
||||
bzero(data, sizeof(struct winsize));
|
||||
return (0);
|
||||
#ifdef DSI_SOFT_MODEM
|
||||
/*
|
||||
* Download micro-code to Digicom modem.
|
||||
*/
|
||||
case TIOCDSIMICROCODE:
|
||||
{
|
||||
u_long l;
|
||||
u_char *p,*pi;
|
||||
|
||||
pi = (u_char*)(*(caddr_t*)data);
|
||||
error = copyin(pi,&l,sizeof l);
|
||||
if(error)
|
||||
{return error;};
|
||||
pi += sizeof l;
|
||||
|
||||
p = malloc(l,M_TEMP,M_NOWAIT);
|
||||
if(!p)
|
||||
{return ENOBUFS;}
|
||||
error = copyin(pi,p,l);
|
||||
if(error)
|
||||
{free(p,M_TEMP); return error;};
|
||||
if(error = LoadSoftModem(
|
||||
MINOR_TO_UNIT(mynor),iobase,l,p))
|
||||
{free(p,M_TEMP); return error;}
|
||||
free(p,M_TEMP);
|
||||
return(0);
|
||||
}
|
||||
#endif /* DSI_SOFT_MODEM */
|
||||
default:
|
||||
return (ENOTTY);
|
||||
}
|
||||
@ -2074,11 +2039,9 @@ comparam(tp, t)
|
||||
int divisor;
|
||||
u_char dlbh;
|
||||
u_char dlbl;
|
||||
int error;
|
||||
Port_t iobase;
|
||||
int s;
|
||||
int unit;
|
||||
int txtimeout;
|
||||
|
||||
/* do historical conversions */
|
||||
if (t->c_ispeed == 0)
|
||||
@ -2144,54 +2107,8 @@ comparam(tp, t)
|
||||
outb(iobase + com_fifo, com->fifo_image);
|
||||
}
|
||||
|
||||
/*
|
||||
* Some UARTs lock up if the divisor latch registers are selected
|
||||
* while the UART is doing output (they refuse to transmit anything
|
||||
* more until given a hard reset). Fix this by stopping filling
|
||||
* the device buffers and waiting for them to drain. Reading the
|
||||
* line status port outside of siointr1() might lose some receiver
|
||||
* error bits, but that is acceptable here.
|
||||
*/
|
||||
disable_intr();
|
||||
retry:
|
||||
com->state &= ~CS_TTGO;
|
||||
txtimeout = tp->t_timeout;
|
||||
enable_intr();
|
||||
while ((inb(com->line_status_port) & (LSR_TSRE | LSR_TXRDY))
|
||||
!= (LSR_TSRE | LSR_TXRDY)) {
|
||||
tp->t_state |= TS_SO_OCOMPLETE;
|
||||
error = ttysleep(tp, TSA_OCOMPLETE(tp), TTIPRI | PCATCH,
|
||||
"siotx", hz / 100);
|
||||
if ( txtimeout != 0
|
||||
&& (!error || error == EAGAIN)
|
||||
&& (txtimeout -= hz / 100) <= 0
|
||||
)
|
||||
error = EIO;
|
||||
if (com->gone)
|
||||
error = ENODEV;
|
||||
if (error != 0 && error != EAGAIN) {
|
||||
if (!(tp->t_state & TS_TTSTOP)) {
|
||||
disable_intr();
|
||||
com->state |= CS_TTGO;
|
||||
enable_intr();
|
||||
}
|
||||
splx(s);
|
||||
return (error);
|
||||
}
|
||||
}
|
||||
|
||||
disable_intr(); /* very important while com_data is hidden */
|
||||
|
||||
/*
|
||||
* XXX - clearing CS_TTGO is not sufficient to stop further output,
|
||||
* because siopoll() calls comstart() which usually sets it again
|
||||
* because TS_TTSTOP is clear. Setting TS_TTSTOP would not be
|
||||
* sufficient, for similar reasons.
|
||||
*/
|
||||
if ((inb(com->line_status_port) & (LSR_TSRE | LSR_TXRDY))
|
||||
!= (LSR_TSRE | LSR_TXRDY))
|
||||
goto retry;
|
||||
|
||||
if (divisor != 0) {
|
||||
outb(iobase + com_cfcr, cfcr | CFCR_DLAB);
|
||||
/*
|
||||
@ -2383,7 +2300,6 @@ siostop(tp, rw)
|
||||
/* XXX avoid h/w bug. */
|
||||
if (!com->esp)
|
||||
#endif
|
||||
/* XXX does this flush everything? */
|
||||
outb(com->iobase + com_fifo,
|
||||
FIFO_XMT_RST | com->fifo_image);
|
||||
com->obufs[0].l_queued = FALSE;
|
||||
@ -2399,7 +2315,6 @@ siostop(tp, rw)
|
||||
/* XXX avoid h/w bug. */
|
||||
if (!com->esp)
|
||||
#endif
|
||||
/* XXX does this flush everything? */
|
||||
outb(com->iobase + com_fifo,
|
||||
FIFO_RCV_RST | com->fifo_image);
|
||||
com_events -= (com->iptr - com->ibuf);
|
||||
@ -2745,6 +2660,9 @@ siocnclose(sp, iobase)
|
||||
outb(iobase + com_ier, sp->ier);
|
||||
}
|
||||
|
||||
#ifdef __i386__
|
||||
static
|
||||
#endif
|
||||
void
|
||||
siocnprobe(cp)
|
||||
struct consdev *cp;
|
||||
@ -2903,6 +2821,9 @@ siogdbattach(port, speed)
|
||||
|
||||
#endif
|
||||
|
||||
#ifdef __i386__
|
||||
static
|
||||
#endif
|
||||
void
|
||||
siocninit(cp)
|
||||
struct consdev *cp;
|
||||
@ -2910,6 +2831,9 @@ siocninit(cp)
|
||||
comconsole = DEV_TO_UNIT(cp->cn_dev);
|
||||
}
|
||||
|
||||
#ifdef __i386__
|
||||
static
|
||||
#endif
|
||||
int
|
||||
siocncheckc(dev)
|
||||
dev_t dev;
|
||||
@ -3002,126 +2926,6 @@ siogdbputc(c)
|
||||
splx(s);
|
||||
}
|
||||
|
||||
#ifdef DSI_SOFT_MODEM
|
||||
/*
|
||||
* The magic code to download microcode to a "Connection 14.4+Fax"
|
||||
* modem from Digicom Systems Inc. Very magic.
|
||||
*/
|
||||
|
||||
#define DSI_ERROR(str) { ptr = str; goto error; }
|
||||
static int
|
||||
LoadSoftModem(int unit, int base_io, u_long size, u_char *ptr)
|
||||
{
|
||||
int int_c,int_k;
|
||||
int data_0188, data_0187;
|
||||
|
||||
/*
|
||||
* First see if it is a DSI SoftModem
|
||||
*/
|
||||
if(!((inb(base_io+7) ^ inb(base_io+7)) & 0x80))
|
||||
return ENODEV;
|
||||
|
||||
data_0188 = inb(base_io+4);
|
||||
data_0187 = inb(base_io+3);
|
||||
outb(base_io+3,0x80);
|
||||
outb(base_io+4,0x0C);
|
||||
outb(base_io+0,0x31);
|
||||
outb(base_io+1,0x8C);
|
||||
outb(base_io+7,0x10);
|
||||
outb(base_io+7,0x19);
|
||||
|
||||
if(0x18 != (inb(base_io+7) & 0x1A))
|
||||
DSI_ERROR("dsp bus not granted");
|
||||
|
||||
if(0x01 != (inb(base_io+7) & 0x01)) {
|
||||
outb(base_io+7,0x18);
|
||||
outb(base_io+7,0x19);
|
||||
if(0x01 != (inb(base_io+7) & 0x01))
|
||||
DSI_ERROR("program mem not granted");
|
||||
}
|
||||
|
||||
int_c = 0;
|
||||
|
||||
while(1) {
|
||||
if(int_c >= 7 || size <= 0x1800)
|
||||
break;
|
||||
|
||||
for(int_k = 0 ; int_k < 0x800; int_k++) {
|
||||
outb(base_io+0,*ptr++);
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
|
||||
size -= 0x1800;
|
||||
int_c++;
|
||||
}
|
||||
|
||||
if(size > 0x1800) {
|
||||
outb(base_io+7,0x18);
|
||||
outb(base_io+7,0x19);
|
||||
if(0x00 != (inb(base_io+7) & 0x01))
|
||||
DSI_ERROR("program data not granted");
|
||||
|
||||
for(int_k = 0 ; int_k < 0x800; int_k++) {
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,0);
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
|
||||
size -= 0x1800;
|
||||
|
||||
while(size > 0x1800) {
|
||||
for(int_k = 0 ; int_k < 0xC00; int_k++) {
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
size -= 0x1800;
|
||||
}
|
||||
|
||||
if(size < 0x1800) {
|
||||
for(int_k=0;int_k<size/2;int_k++) {
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
}
|
||||
|
||||
} else if (size > 0) {
|
||||
if(int_c == 7) {
|
||||
outb(base_io+7,0x18);
|
||||
outb(base_io+7,0x19);
|
||||
if(0x00 != (inb(base_io+7) & 0x01))
|
||||
DSI_ERROR("program data not granted");
|
||||
for(int_k = 0 ; int_k < size/3; int_k++) {
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,0);
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
} else {
|
||||
for(int_k = 0 ; int_k < size/3; int_k++) {
|
||||
outb(base_io+0,*ptr++);
|
||||
outb(base_io+1,*ptr++);
|
||||
outb(base_io+2,*ptr++);
|
||||
}
|
||||
}
|
||||
}
|
||||
outb(base_io+7,0x11);
|
||||
outb(base_io+7,3);
|
||||
|
||||
outb(base_io+4,data_0188 & 0xfb);
|
||||
|
||||
outb(base_io+3,data_0187);
|
||||
|
||||
return 0;
|
||||
error:
|
||||
printf("sio%d: DSI SoftModem microcode load failed: <%s>\n",unit,ptr);
|
||||
outb(base_io+7,0x00); \
|
||||
outb(base_io+3,data_0187); \
|
||||
outb(base_io+4,data_0188); \
|
||||
return EIO;
|
||||
}
|
||||
#endif /* DSI_SOFT_MODEM */
|
||||
|
||||
/*
|
||||
* support PnP cards if we are using 'em
|
||||
@ -3199,7 +3003,7 @@ siopnp_attach(u_long csn, u_long vend_id, char *name, struct isa_device *dev)
|
||||
|
||||
dev->id_iobase = d.port[0];
|
||||
dev->id_irq = (1 << d.irq[0]);
|
||||
dev->id_intr = siointr;
|
||||
dev->id_ointr = siointr;
|
||||
dev->id_ri_flags = RI_FAST;
|
||||
dev->id_drq = -1;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user