Messages in this thread Patch in this message | | | Date | Tue, 3 Jul 2001 03:22:05 +0200 | From | Linux A2232 Driver Project <> | Subject | [DRIVER] patch against 2.4.6pre8 |
| |
Hallo!
This is the patch for the A2232 multi-serial board again, as a patch against 2.4.6pre8. Should be convenient for Linus to include :)
Greetings, Enver
diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/CREDITS linux-2.4.6-pre8-withA2232/CREDITS --- linux-2.4.6-pre8-vanilla/CREDITS Tue Jul 3 01:42:49 2001 +++ linux-2.4.6-pre8-withA2232/CREDITS Tue Jul 3 02:17:29 2001 @@ -1056,6 +1056,11 @@ S: 2400 AG, Alphen aan den Rijn S: The Netherlands +N: Enver Haase +E: ehaase@inf.fu-berlin.de +W: http://www.inf.fu-berlin.de/~ehaase +D: Driver for the Commodore A2232 serial board + N: Bruno Haible E: haible@ma2s2.mathematik.uni-karlsruhe.de D: SysV FS, shm swapping, memory management fixes diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/Documentation/Configure.help linux-2.4.6-pre8-withA2232/Documentation/Configure.help --- linux-2.4.6-pre8-vanilla/Documentation/Configure.help Tue Jul 3 01:42:49 2001 +++ linux-2.4.6-pre8-withA2232/Documentation/Configure.help Tue Jul 3 02:29:22 2001 @@ -16738,6 +16738,21 @@ If you want to compile it as a module, say M here and read Documentation/modules.txt. +Commodore A2232 serial support +CONFIG_A2232 + This option supports the 2232 7-port serial card designed for the + Amiga 2000 and other Zorro-bus machines. At a maximum of 19,200 bps, + the ports are served by a 6551 ACIA UART chip each, plus a 8520 CIA, + and a master 65EC02 CPU and buffer as well. The ports are connected + with 8 pin mini-DIN connectors on the card bracket, for which 8 pin + to DB25 adapters are supplied. The card also has jumpers internally + to toggle various pinning configurations. + + This driver can be built as a module; but then "generic_serial.o" + will also be built as a module. This has to be loaded before + "ser_a2232.o". If you want to do this, answer M here and read + "<file:Documentation/modules.txt>". + Atari DMA sound support CONFIG_DMASOUND_ATARI If you want to use the internal audio of your Atari in Linux, answer diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/MAINTAINERS linux-2.4.6-pre8-withA2232/MAINTAINERS --- linux-2.4.6-pre8-vanilla/MAINTAINERS Tue Jul 3 01:42:50 2001 +++ linux-2.4.6-pre8-withA2232/MAINTAINERS Tue Jul 3 02:41:10 2001 @@ -106,6 +106,13 @@ L: linux-net@vger.kernel.org S: Maintained +A2232 SERIAL BOARD DRIVER +P: Enver Haase +M: ehaase@inf.fu-berlin.de +M: A2232@gmx.net +L: linux-m68k@lists.linux-m68k.org +S: Maintained + ACI MIXER DRIVER P: Robert Siemer M: Robert.Siemer@gmx.de diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/Config.in linux-2.4.6-pre8-withA2232/drivers/char/Config.in --- linux-2.4.6-pre8-vanilla/drivers/char/Config.in Wed Mar 7 04:44:34 2001 +++ linux-2.4.6-pre8-withA2232/drivers/char/Config.in Tue Jul 3 02:34:44 2001 @@ -60,6 +60,9 @@ tristate ' Stallion EC8/64, ONboard, Brumby support' CONFIG_ISTALLION fi fi +if [ "$CONFIG_EXPERIMENTAL" = "y" -a "$CONFIG_ZORRO" = "y" ]; then + tristate 'Commodore A2232 serial support (EXPERIMENTAL)' CONFIG_A2232 +fi if [ "$CONFIG_FOOTBRIDGE" = "y" ]; then bool 'DC21285 serial port support' CONFIG_SERIAL_21285 if [ "$CONFIG_SERIAL_21285" = "y" ]; then diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/Makefile linux-2.4.6-pre8-withA2232/drivers/char/Makefile --- linux-2.4.6-pre8-vanilla/drivers/char/Makefile Wed May 16 19:27:02 2001 +++ linux-2.4.6-pre8-withA2232/drivers/char/Makefile Tue Jul 3 02:31:16 2001 @@ -139,6 +139,7 @@ obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_SPECIALIX) += specialix.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o +obj-$(CONFIG_A2232) += ser_a2232.o generic_serial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/rio.o generic_serial.o obj-$(CONFIG_SH_SCI) += sh-sci.o generic_serial.o diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232.c linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232.c --- linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232.c Thu Jan 1 01:00:00 1970 +++ linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232.c Tue Jul 3 02:50:45 2001 @@ -0,0 +1,878 @@ +/* drivers/char/ser_a2232.c */ + +/* $Id: ser_a2232.c,v 0.4 2000/01/25 12:00:00 ehaase Exp $ */ + +/* Linux serial driver for the Amiga A2232 board */ + +/* This driver is MAINTAINED. Before applying any changes, please contact + * the author. + */ + +/* Copyright (c) 2000-2001 Enver Haase <ehaase@inf.fu-berlin.de> + * alias The A2232 driver project <A2232@gmx.net> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +/***************************** Documentation ************************/ +/* + * This driver is in EXPERIMENTAL state. That means I could not find + * someone with five A2232 boards with 35 ports running at 19200 bps + * at the same time and test the machine's behaviour. + * However, I know that you can performance-tweak this driver (see + * the source code). + * One thing to consider is the time this driver consumes during the + * Amiga's vertical blank interrupt. Everything that is to be done + * _IS DONE_ when entering the vertical blank interrupt handler of + * this driver. + * However, it would be more sane to only do the job for only ONE card + * instead of ALL cards at a time; or, more generally, to handle only + * SOME ports instead of ALL ports at a time. + * However, as long as no-one runs into problems I guess I shouldn't + * change the driver as it runs fine for me :) . + * + * Version history of this file: + * 0.4 Resolved licensing issues. + * 0.3 Inclusion in the Linux/m68k tree, small fixes. + * 0.2 Added documentation, minor typo fixes. + * 0.1 Initial release. + * + * TO DO: + * - Handle incoming BREAK events. I guess "Stevens: Advanced + * Programming in the UNIX(R) Environment" is a good reference + * on what is to be done. + * + * THANKS TO: + * - Jukka Marin (65EC02 code). + * - The other NetBSD developers on whose A2232 driver I had a + * pretty close look. However, I didn't copy any code so it + * is okay to put my code under the GPL and include it into + * Linux. + */ +/***************************** End of Documentation *****************/ + +/***************************** Defines ******************************/ +/* + * Enables experimental 115200 (normal) 230400 (turbo) baud rate. + * The A2232 specification states it can only operate at speeds up to + * 19200 bits per second, and I was not able to send a file via + * "sz"/"rz" and a null-modem cable from one A2232 port to another + * at 115200 bits per second. + * However, this might work for you. + */ +#undef A2232_SPEEDHACK +/* + * Default is not to use RTS/CTS so you could be talked to death. + */ +#define A2232_SUPPRESS_RTSCTS_WARNING +/************************* End of Defines ***************************/ + +/***************************** Includes *****************************/ +#include <linux/module.h> + +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/errno.h> + +#include <asm/setup.h> +#include <asm/amigaints.h> +#include <asm/amigahw.h> +#include <linux/zorro.h> +#include <asm/irq.h> +#include <asm/semaphore.h> + +#include <linux/delay.h> + +#include <linux/serial.h> +#include <linux/generic_serial.h> + +#include "ser_a2232.h" +#include "ser_a2232fw.h" +/************************* End of Includes **************************/ + +/***************************** Prototypes ***************************/ +/* Helper functions */ +static __inline__ volatile struct a2232status *a2232stat(unsigned int board, + unsigned int portonboard); +static __inline__ volatile struct a2232memory *a2232mem (unsigned int board); +static __inline__ void a2232_receive_char( struct a2232_port *port, + int ch, int err ); +/* The interrupt service routine */ +static void a2232_vbl_inter(int irq, void *data, struct pt_regs *fp); +/* Initialize the port structures */ +static void a2232_init_portstructs(void); +/* Initialize and register TTY drivers. */ +/* returns 0 IFF successful */ +static int a2232_init_drivers(void); +/* Initialize all A2232 boards; main entry point. */ +int a2232board_init(void); + +/* BEGIN GENERIC_SERIAL PROTOTYPES */ +static void a2232_disable_tx_interrupts(void *ptr); +static void a2232_enable_tx_interrupts(void *ptr); +static void a2232_disable_rx_interrupts(void *ptr); +static void a2232_enable_rx_interrupts(void *ptr); +static int a2232_get_CD(void *ptr); +static void a2232_shutdown_port(void *ptr); +static int a2232_set_real_termios(void *ptr); +static int a2232_chars_in_buffer(void *ptr); +static void a2232_close(void *ptr); +static void a2232_hungup(void *ptr); +/* static void a2232_getserial (void *ptr, struct serial_struct *sp); */ +/* END GENERIC_SERIAL PROTOTYPES */ + +/* Functions that the TTY driver struct expects */ +static int a2232_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg); +static void a2232_throttle(struct tty_struct *tty); +static void a2232_unthrottle(struct tty_struct *tty); +static int a2232_open(struct tty_struct * tty, struct file * filp); +/************************* End of Prototypes ************************/ + +/***************************** Global variables *********************/ +/*--------------------------------------------------------------------------- + * Interface from generic_serial.c back here + *--------------------------------------------------------------------------*/ +static struct real_driver a2232_real_driver = { + a2232_disable_tx_interrupts, + a2232_enable_tx_interrupts, + a2232_disable_rx_interrupts, + a2232_enable_rx_interrupts, + a2232_get_CD, + a2232_shutdown_port, + a2232_set_real_termios, + a2232_chars_in_buffer, + a2232_close, + a2232_hungup, + NULL /* a2232_getserial */ +}; + +static void *a2232_driver_ID = &a2232_driver_ID; // Some memory address WE own. + +/* Ports structs */ +static struct a2232_port a2232_ports[MAX_A2232_BOARDS*NUMLINES]; + +/* TTY driver structs */ +static struct tty_driver a2232_driver; +static struct tty_driver a2232_callout_driver; + +/* Variables used by the TTY driver */ +static int a2232_refcount; +static struct tty_struct *a2232_table[MAX_A2232_BOARDS*NUMLINES] = { NULL, }; +static struct termios *a2232_termios[MAX_A2232_BOARDS*NUMLINES]; +static struct termios *a2232_termios_locked[MAX_A2232_BOARDS*NUMLINES]; + +/* nr of cards completely (all ports) and correctly configured */ +static int nr_a2232; + +/* zorro_dev structs for the A2232's */ +static struct zorro_dev *zd_a2232[MAX_A2232_BOARDS]; +/***************************** End of Global variables **************/ + +/***************************** Functions ****************************/ +/*** BEGIN OF REAL_DRIVER FUNCTIONS ***/ + +static void a2232_disable_tx_interrupts(void *ptr) +{ + struct a2232_port *port; + volatile struct a2232status *stat; + unsigned long flags; + + port = ptr; + stat = a2232stat(port->which_a2232, port->which_port_on_a2232); + stat->OutDisable = -1; + + /* Does this here really have to be? */ + save_flags(flags); + cli(); + port->gs.flags &= ~GS_TX_INTEN; + restore_flags(flags); +} + +static void a2232_enable_tx_interrupts(void *ptr) +{ + struct a2232_port *port; + volatile struct a2232status *stat; + unsigned long flags; + + port = ptr; + stat = a2232stat(port->which_a2232, port->which_port_on_a2232); + stat->OutDisable = 0; + + /* Does this here really have to be? */ + save_flags(flags); + cli(); + port->gs.flags |= GS_TX_INTEN; + restore_flags(flags); +} + +static void a2232_disable_rx_interrupts(void *ptr) +{ + struct a2232_port *port; + port = ptr; + port->disable_rx = -1; +} + +static void a2232_enable_rx_interrupts(void *ptr) +{ + struct a2232_port *port; + port = ptr; + port->disable_rx = 0; +} + +static int a2232_get_CD(void *ptr) +{ + return ((struct a2232_port *) ptr)->cd_status; +} + +static void a2232_shutdown_port(void *ptr) +{ + struct a2232_port *port; + volatile struct a2232status *stat; + unsigned long flags; + + port = ptr; + stat = a2232stat(port->which_a2232, port->which_port_on_a2232); + + save_flags(flags); + cli(); + + port->gs.flags &= ~GS_ACTIVE; + + if (port->gs.tty && port->gs.tty->termios->c_cflag & HUPCL) { + /* Set DTR and RTS to Low, flush output. + The NetBSD driver "msc.c" does it this way. */ + stat->Command = ( (stat->Command & ~A2232CMD_CMask) | + A2232CMD_Close ); + stat->OutFlush = -1; + stat->Setup = -1; + } + + restore_flags(flags); + + /* After analyzing control flow, I think a2232_shutdown_port + is actually the last call from the system when at application + level someone issues a "echo Hello >>/dev/ttyY0". + Therefore I think the MOD_DEC_USE_COUNT should be here and + not in "a2232_close()". See the comment in "sx.c", too. + If you run into problems, compile this driver into the + kernel instead of compiling it as a module. */ + MOD_DEC_USE_COUNT; +} + +static int a2232_set_real_termios(void *ptr) +{ + unsigned int cflag, baud, chsize, stopb, parity, softflow; + int rate; + int a2232_param, a2232_cmd; + unsigned long flags; + unsigned int i; + struct a2232_port *port = ptr; + volatile struct a2232status *status; + volatile struct a2232memory *mem; + + if (!port->gs.tty || !port->gs.tty->termios) return 0; + + status = a2232stat(port->which_a2232, port->which_port_on_a2232); + mem = a2232mem(port->which_a2232); + + a2232_param = a2232_cmd = 0; + + // get baud rate + baud = port->gs.baud; + if (baud == 0) { + /* speed == 0 -> drop DTR, do nothing else */ + save_flags(flags); + cli(); + // Clear DTR (and RTS... mhhh). + status->Command = ( (status->Command & ~A2232CMD_CMask) | + A2232CMD_Close ); + status->OutFlush = -1; + status->Setup = -1; + + restore_flags(flags); + return 0; + } + + rate = A2232_BAUD_TABLE_NOAVAIL; + for (i=0; i < A2232_BAUD_TABLE_NUM_RATES * 3; i += 3){ + if (a2232_baud_table[i] == baud){ + if (mem->Common.Crystal == A2232_TURBO) rate = a2232_baud_table[i+2]; + else rate = a2232_baud_table[i+1]; + } + } + if (rate == A2232_BAUD_TABLE_NOAVAIL){ + printk("a2232: Board %d Port %d unsupported baud rate: %d baud. Using another.\n",port->which_a2232,port->which_port_on_a2232,baud); + // This is useful for both (turbo or normal) Crystal versions. + rate = A2232PARAM_B9600; + } + a2232_param |= rate; + + cflag = port->gs.tty->termios->c_cflag; + + // get character size + chsize = cflag & CSIZE; + switch (chsize){ + case CS8: a2232_param |= A2232PARAM_8Bit; break; + case CS7: a2232_param |= A2232PARAM_7Bit; break; + case CS6: a2232_param |= A2232PARAM_6Bit; break; + case CS5: a2232_param |= A2232PARAM_5Bit; break; + default: printk("a2232: Board %d Port %d unsupported character size: %d. Using 8 data bits.\n", + port->which_a2232,port->which_port_on_a2232,chsize); + a2232_param |= A2232PARAM_8Bit; break; + } + + // get number of stop bits + stopb = cflag & CSTOPB; + if (stopb){ // two stop bits instead of one + printk("a2232: Board %d Port %d 2 stop bits unsupported. Using 1 stop bit.\n", + port->which_a2232,port->which_port_on_a2232); + } + + // Warn if RTS/CTS not wanted + if (!(cflag & CRTSCTS)){ +#ifndef A2232_SUPPRESS_RTSCTS_WARNING + printk("a2232: Board %d Port %d cannot switch off firmware-implemented RTS/CTS hardware flow control.\n", + port->which_a2232,port->which_port_on_a2232); +#endif + } + + /* I think this is correct. + However, IXOFF means _input_ flow control and I wonder + if one should care about IXON _output_ flow control, + too. If this makes problems, one should turn the A2232 + firmware XON/XOFF "SoftFlow" flow control off and use + the conventional way of inserting START/STOP characters + by hand in throttle()/unthrottle(). + */ + softflow = !!( port->gs.tty->termios->c_iflag & IXOFF ); + + // get Parity (Enabled/Disabled? If Enabled, Odd or Even?) + parity = cflag & (PARENB | PARODD); + if (parity & PARENB){ + if (parity & PARODD){ + a2232_cmd |= A2232CMD_OddParity; + } + else{ + a2232_cmd |= A2232CMD_EvenParity; + } + } + else a2232_cmd |= A2232CMD_NoParity; + + + /* Hmm. Maybe an own a2232_port structure + member would be cleaner? */ + if (cflag & CLOCAL) + port->gs.flags &= ~ASYNC_CHECK_CD; + else + port->gs.flags |= ASYNC_CHECK_CD; + + + /* Now we have all parameters and can go to set them: */ + save_flags(flags); + cli(); + + status->Param = a2232_param | A2232PARAM_RcvBaud; + status->Command = a2232_cmd | A2232CMD_Open | A2232CMD_Enable; + status->SoftFlow = softflow; + status->OutDisable = 0; + status->Setup = -1; + + restore_flags(flags); + return 0; +} + +static int a2232_chars_in_buffer(void *ptr) +{ + struct a2232_port *port; + volatile struct a2232status *status; + unsigned char ret; /* we need modulo-256 arithmetics */ + port = ptr; + status = a2232stat(port->which_a2232, port->which_port_on_a2232); +#if A2232_IOBUFLEN != 256 +#error "Re-Implement a2232_chars_in_buffer()!" +#endif + ret = (status->OutHead - status->OutTail); + return ret; +} + +static void a2232_close(void *ptr) +{ + a2232_disable_tx_interrupts(ptr); + a2232_disable_rx_interrupts(ptr); + /* see the comment in a2232_shutdown_port above. */ + /* MOD_DEC_USE_COUNT; */ +} + +static void a2232_hungup(void *ptr) +{ + a2232_close(ptr); +} +/*** END OF REAL_DRIVER FUNCTIONS ***/ + +/*** BEGIN FUNCTIONS EXPECTED BY TTY DRIVER STRUCTS ***/ +static int a2232_ioctl( struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return -ENOIOCTLCMD; +} + +static void a2232_throttle(struct tty_struct *tty) +{ +/* Throttle: System cannot take another chars: Drop RTS or + send the STOP char or whatever. + The A2232 firmware does RTS/CTS anyway, and XON/XOFF + if switched on. So the only thing we can do at this + layer here is not taking any characters out of the + A2232 buffer any more. */ + struct a2232_port *port = (struct a2232_port *) tty->driver_data; + port->throttle_input = -1; +} + +static void a2232_unthrottle(struct tty_struct *tty) +{ +/* Unthrottle: dual to "throttle()" above. */ + struct a2232_port *port = (struct a2232_port *) tty->driver_data; + port->throttle_input = 0; +} + +static int a2232_open(struct tty_struct * tty, struct file * filp) +{ +/* More or less stolen from other drivers. */ + int line; + int retval; + struct a2232_port *port; + + line = MINOR(tty->device); + port = &a2232_ports[line]; + + tty->driver_data = port; + port->gs.tty = tty; + port->gs.count++; + retval = gs_init_port(&port->gs); + if (retval) { + port->gs.count--; + return retval; + } + port->gs.flags |= GS_ACTIVE; + if (port->gs.count == 1) { + MOD_INC_USE_COUNT; + } + retval = gs_block_til_ready(port, filp); + + if (retval) { + MOD_DEC_USE_COUNT; + port->gs.count--; + return retval; + } + + if ((port->gs.count == 1) && (port->gs.flags & ASYNC_SPLIT_TERMIOS)){ + if (tty->driver.subtype == A2232_TTY_SUBTYPE_NORMAL) + *tty->termios = port->gs.normal_termios; + else + *tty->termios = port->gs.callout_termios; + a2232_set_real_termios (port); + } + + port->gs.session = current->session; + port->gs.pgrp = current->pgrp; + + a2232_enable_rx_interrupts(port); + + return 0; +} +/*** END OF FUNCTIONS EXPECTED BY TTY DRIVER STRUCTS ***/ + +static __inline__ volatile struct a2232status *a2232stat(unsigned int board, unsigned int portonboard) +{ + volatile struct a2232memory *mem = a2232mem(board); + return &(mem->Status[portonboard]); +} + +static __inline__ volatile struct a2232memory *a2232mem (unsigned int board) +{ + return (volatile struct a2232memory *) ZTWO_VADDR( zd_a2232[board]->resource.start ); +} + +static __inline__ void a2232_receive_char( struct a2232_port *port, + int ch, int err ) +{ +/* Mostly stolen from other drivers. + Maybe one could implement a more efficient version by not only + transferring one character at a time. +*/ + struct tty_struct *tty = port->gs.tty; + + if (tty->flip.count >= TTY_FLIPBUF_SIZE) + return; + + tty->flip.count++; + +#if 0 + switch(err) { + case TTY_BREAK: + break; + case TTY_PARITY: + break; + case TTY_OVERRUN: + break; + case TTY_FRAME: + break; + } +#endif + + *tty->flip.flag_buf_ptr++ = err; + *tty->flip.char_buf_ptr++ = ch; + tty_flip_buffer_push(tty); +} + +static void a2232_vbl_inter(int irq, void *data, struct pt_regs *fp) +{ +#if A2232_IOBUFLEN != 256 +#error "Re-Implement a2232_vbl_inter()!" +#endif + +struct a2232_port *port; +volatile struct a2232memory *mem; +volatile struct a2232status *status; +unsigned char newhead; +unsigned char bufpos; /* Must be unsigned char. We need the modulo-256 arithmetics */ +unsigned char ncd, ocd, ccd; /* names consistent with the NetBSD driver */ +volatile u_char *ibuf, *cbuf, *obuf; +int ch, err, n, p; + for (n = 0; n < nr_a2232; n++){ /* for every completely initialized A2232 board */ + mem = a2232mem(n); + for (p = 0; p < NUMLINES; p++){ /* for every port on this board */ + err = 0; + port = &a2232_ports[n*NUMLINES+p]; + if ( port->gs.flags & GS_ACTIVE ){ /* if the port is used */ + + status = a2232stat(n,p); + + if (!port->disable_rx && !port->throttle_input){ /* If input is not disabled */ + newhead = status->InHead; /* 65EC02 write pointer */ + bufpos = status->InTail; + + /* check for input for this port */ + if (newhead != bufpos) { + /* buffer for input chars/events */ + ibuf = mem->InBuf[p]; + + /* data types of bytes in ibuf */ + cbuf = mem->InCtl[p]; + + /* do for all chars */ + while (bufpos != newhead) { + /* which type of input data? */ + switch (cbuf[bufpos]) { + /* switch on input event (CD, BREAK, etc.) */ + case A2232INCTL_EVENT: + switch (ibuf[bufpos++]) { + case A2232EVENT_Break: + /* TODO: Handle BREAK signal */ + break; + /* A2232EVENT_CarrierOn and A2232EVENT_CarrierOff are + handled in a separate queue and should not occur here. */ + case A2232EVENT_Sync: + printk("A2232: 65EC02 software sent SYNC event, don't know what to do. Ignoring."); + break; + default: + printk("A2232: 65EC02 software broken, unknown event type %d occured.\n",ibuf[bufpos-1]); + } /* event type switch */ + break; + case A2232INCTL_CHAR: + /* Receive incoming char */ + a2232_receive_char(port, ibuf[bufpos], err); + bufpos++; + break; + default: + printk("A2232: 65EC02 software broken, unknown data type %d occured.\n",cbuf[bufpos]); + bufpos++; + } /* switch on input data type */ + } /* while there's something in the buffer */ + + status->InTail = bufpos; /* tell 65EC02 what we've read */ + + } /* if there was something in the buffer */ + } /* If input is not disabled */ + + /* Now check if there's something to output */ + obuf = mem->OutBuf[p]; + bufpos = status->OutHead; + while ( (port->gs.xmit_cnt > 0) && + (!port->gs.tty->stopped) && + (!port->gs.tty->hw_stopped) ){ /* While there are chars to transmit */ + if (((bufpos+1) & A2232_IOBUFLENMASK) != status->OutTail) { /* If the A2232 buffer is not full */ + ch = port->gs.xmit_buf[port->gs.xmit_tail]; /* get the next char to transmit */ + port->gs.xmit_tail = (port->gs.xmit_tail+1) & (SERIAL_XMIT_SIZE-1); /* modulo-addition for the gs.xmit_buf ring-buffer */ + obuf[bufpos++] = ch; /* put it into the A2232 buffer */ + port->gs.xmit_cnt--; + } + else{ /* If A2232 the buffer is full */ + break; /* simply stop filling it. */ + } + } + status->OutHead = bufpos; + + /* WakeUp if output buffer runs low */ + if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.tty) { + if ((port->gs.tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && port->gs.tty->ldisc.write_wakeup){ + (port->gs.tty->ldisc.write_wakeup)(port->gs.tty); + } + wake_up_interruptible(&port->gs.tty->write_wait); + } + } // if the port is used + } // for every port on the board + + /* Now check the CD message queue */ + newhead = mem->Common.CDHead; + bufpos = mem->Common.CDTail; + if (newhead != bufpos){ /* There are CD events in queue */ + ocd = mem->Common.CDStatus; /* get old status bits */ + while (newhead != bufpos){ /* read all events */ + ncd = mem->CDBuf[bufpos++]; /* get one event */ + ccd = ncd ^ ocd; /* mask of changed lines */ + ocd = ncd; /* save new status bits */ + for(p=0; p < NUMLINES; p++){ /* for all ports */ + if (ccd & 1){ /* this one changed */ + + struct a2232_port *port = &a2232_ports[n*7+p]; + port->cd_status = !(ncd & 1); /* ncd&1 <=> CD is now off */ + + if (!(port->gs.flags & ASYNC_CHECK_CD)) + ; /* Don't report DCD changes */ + else if (port->cd_status) { // if DCD on: DCD went UP! + if (~(port->gs.flags & ASYNC_NORMAL_ACTIVE) || + ~(port->gs.flags & ASYNC_CALLOUT_ACTIVE)) { + /* Are we blocking in open?*/ + wake_up_interruptible(&port->gs.open_wait); + } + } + else { // if DCD off: DCD went DOWN! + if (!((port->gs.flags & ASYNC_CALLOUT_ACTIVE) && + (port->gs.flags & ASYNC_CALLOUT_NOHUP))) { + if (port->gs.tty) + tty_hangup (port->gs.tty); + } + } + + } // if CD changed for this port + ccd >>= 1; + ncd >>= 1; /* Shift bits for next line */ + } // for every port + } // while CD events in queue + mem->Common.CDStatus = ocd; /* save new status */ + mem->Common.CDTail = bufpos; /* remove events */ + } // if events in CD queue + + } // for every completely initialized A2232 board +} + +static void a2232_init_portstructs(void) +{ + struct a2232_port *port; + int i; + + for (i = 0; i < MAX_A2232_BOARDS*NUMLINES; i++) { + port = a2232_ports + i; + port->which_a2232 = i/NUMLINES; + port->which_port_on_a2232 = i%NUMLINES; + port->disable_rx = port->throttle_input = port->cd_status = 0; + port->gs.callout_termios = tty_std_termios; + port->gs.normal_termios = tty_std_termios; + port->gs.magic = A2232_MAGIC; + port->gs.close_delay = HZ/2; + port->gs.closing_wait = 30 * HZ; + port->gs.rd = &a2232_real_driver; +#ifdef NEW_WRITE_LOCKING + init_MUTEX(&(port->gs.port_write_sem)); +#endif + init_waitqueue_head(&port->gs.open_wait); + init_waitqueue_head(&port->gs.close_wait); + } +} + +static int a2232_init_drivers(void) +{ + int error; + + memset(&a2232_driver, 0, sizeof(a2232_driver)); + a2232_driver.magic = TTY_DRIVER_MAGIC; + a2232_driver.driver_name = "commodore_a2232"; + a2232_driver.name = "ttyY"; + a2232_driver.major = A2232_NORMAL_MAJOR; + a2232_driver.num = NUMLINES * nr_a2232; + a2232_driver.type = TTY_DRIVER_TYPE_SERIAL; + a2232_driver.subtype = A2232_TTY_SUBTYPE_NORMAL; + a2232_driver.init_termios = tty_std_termios; + a2232_driver.init_termios.c_cflag = + B9600 | CS8 | CREAD | HUPCL | CLOCAL; + a2232_driver.flags = TTY_DRIVER_REAL_RAW; + a2232_driver.refcount = &a2232_refcount; + a2232_driver.table = a2232_table; + a2232_driver.termios = a2232_termios; + a2232_driver.termios_locked = a2232_termios_locked; + + a2232_driver.open = a2232_open; + a2232_driver.close = gs_close; + a2232_driver.write = gs_write; + a2232_driver.put_char = gs_put_char; + a2232_driver.flush_chars = gs_flush_chars; + a2232_driver.write_room = gs_write_room; + a2232_driver.chars_in_buffer = gs_chars_in_buffer; + a2232_driver.flush_buffer = gs_flush_buffer; + a2232_driver.ioctl = a2232_ioctl; + a2232_driver.throttle = a2232_throttle; + a2232_driver.unthrottle = a2232_unthrottle; + a2232_driver.set_termios = gs_set_termios; + a2232_driver.stop = gs_stop; + a2232_driver.start = gs_start; + a2232_driver.hangup = gs_hangup; + + a2232_callout_driver = a2232_driver; + a2232_callout_driver.name = "cuy"; + a2232_callout_driver.major = A2232_CALLOUT_MAJOR; + a2232_callout_driver.subtype = A2232_TTY_SUBTYPE_CALLOUT; + + if ((error = tty_register_driver(&a2232_driver))) { + printk(KERN_ERR "A2232: Couldn't register A2232 driver, error = %d\n", + error); + return 1; + } + if ((error = tty_register_driver(&a2232_callout_driver))) { + tty_unregister_driver(&a2232_driver); + printk(KERN_ERR "A2232: Couldn't register A2232 callout driver, error = %d\n", + error); + return 1; + } + return 0; +} + +int a2232board_init(void) +{ + struct zorro_dev *z; + + unsigned int boardaddr; + int bcount; + short start; + u_char *from; + volatile u_char *to; + volatile struct a2232memory *mem; + +#ifdef __SMP__ + return -ENODEV; /* This driver is not SMP aware. Is there an SMP ZorroII-bus-machine? */ +#endif + + if (!MACH_IS_AMIGA){ + return -ENODEV; + } + + printk("Commodore A2232 driver initializing.\n"); /* Say that we're alive. */ + + z = NULL; + nr_a2232 = 0; + while ( (z = zorro_find_device(ZORRO_WILDCARD, z)) ){ + if ( (z->id != ZORRO_PROD_CBM_A2232_PROTOTYPE) && + (z->id != ZORRO_PROD_CBM_A2232) ){ + continue; // The board found was no A2232 + } + if (!zorro_request_device(z,"A2232 driver")) + continue; + + printk("Commodore A2232 found (#%d).\n",nr_a2232); + + zd_a2232[nr_a2232] = z; + + boardaddr = ZTWO_VADDR( z->resource.start ); + printk("Board is located at address 0x%x, size is 0x%x.\n", boardaddr, (unsigned int) ((z->resource.end+1) - (z->resource.start))); + + mem = (volatile struct a2232memory *) boardaddr; + + (void) mem->Enable6502Reset; /* copy the code across to the board */ + to = (u_char *)mem; from = a2232_65EC02code; bcount = sizeof(a2232_65EC02code) - 2; + start = *(short *)from; + from += sizeof(start); + to += start; + while(bcount--) *to++ = *from++; + printk("65EC02 software uploaded to the A2232 memory.\n"); + + mem->Common.Crystal = A2232_UNKNOWN; /* use automatic speed check */ + + /* start 6502 running */ + (void) mem->ResetBoard; + printk("A2232's 65EC02 CPU up and running.\n"); + + /* wait until speed detector has finished */ + for (bcount = 0; bcount < 2000; bcount++) { + udelay(1000); + if (mem->Common.Crystal) + break; + } + printk((mem->Common.Crystal?"A2232 oscillator crystal detected by 65EC02 software: ":"65EC02 software could not determine A2232 oscillator crystal: ")); + switch (mem->Common.Crystal){ + case A2232_UNKNOWN: + printk("Unknown crystal.\n"); + break; + case A2232_NORMAL: + printk ("Normal crystal.\n"); + break; + case A2232_TURBO: + printk ("Turbo crystal.\n"); + break; + default: + printk ("0x%x. Huh?\n",mem->Common.Crystal); + } + + nr_a2232++; + + } + + printk("Total: %d A2232 boards initialized.\n.", nr_a2232); /* Some status report if no card was found */ + + a2232_init_portstructs(); + + /* + a2232_init_drivers also registers the drivers. Must be here because all boards + have to be detected first. + */ + if (a2232_init_drivers()) return -ENODEV; // maybe we should use a different -Exxx? + + request_irq(IRQ_AMIGA_VERTB, a2232_vbl_inter, 0, "A2232 serial VBL", a2232_driver_ID); + return 0; +} + +#ifdef MODULE +int init_module(void) +{ + return a2232board_init(); +} + +void cleanup_module(void) +{ + int i; + + for (i = 0; i < nr_a2232; i++) { + zorro_release_device(zd_a2232[i]); + } + + tty_unregister_driver(&a2232_driver); + tty_unregister_driver(&a2232_callout_driver); + free_irq(IRQ_AMIGA_VERTB, a2232_driver_ID); +} +#endif +/***************************** End of Functions *********************/ diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232.h linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232.h --- linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232.h Thu Jan 1 01:00:00 1970 +++ linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232.h Tue Jul 3 02:36:03 2001 @@ -0,0 +1,206 @@ +/* drivers/char/ser_a2232.h */ + +/* $Id: ser_a2232.h,v 0.4 2000/01/25 12:00:00 ehaase Exp $ */ + +/* Linux serial driver for the Amiga A2232 board */ + +/* This driver is MAINTAINED. Before applying any changes, please contact + * the author. + */ + +/* Copyright (c) 2000-2001 Enver Haase <ehaase@inf.fu-berlin.de> + * alias The A2232 driver project <A2232@gmx.net> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _SER_A2232_H_ +#define _SER_A2232_H_ + +/* + How many boards are to be supported at maximum; + "up to five A2232 Multiport Serial Cards may be installed in a + single Amiga 2000" states the A2232 User's Guide. If you have + more slots available, you might want to change the value below. +*/ +#define MAX_A2232_BOARDS 5 + +#ifndef A2232_NORMAL_MAJOR +/* This allows overriding on the compiler commandline, or in a "major.h" + include or something like that */ +#define A2232_NORMAL_MAJOR 224 /* /dev/ttyY* */ +#define A2232_CALLOUT_MAJOR 225 /* /dev/cuy* */ +#endif + +/* Some magic is always good - Who knows :) */ +#define A2232_MAGIC 0x000a2232 + +/* for the tty_struct subtype field */ +#define A2232_TTY_SUBTYPE_NORMAL 1 +#define A2232_TTY_SUBTYPE_CALLOUT 2 + +/* A2232 port structure to keep track of the + status of every single line used */ +struct a2232_port{ + struct gs_port gs; + unsigned int which_a2232; + unsigned int which_port_on_a2232; + short disable_rx; + short throttle_input; + short cd_status; +}; + +#define NUMLINES 7 /* number of lines per board */ +#define A2232_IOBUFLEN 256 /* number of bytes per buffer */ +#define A2232_IOBUFLENMASK 0xff /* mask for maximum number of bytes */ + + +#define A2232_UNKNOWN 0 /* crystal not known */ +#define A2232_NORMAL 1 /* normal A2232 (1.8432 MHz oscillator) */ +#define A2232_TURBO 2 /* turbo A2232 (3.6864 MHz oscillator) */ + + +struct a2232common { + char Crystal; /* normal (1) or turbo (2) board? */ + u_char Pad_a; + u_char TimerH; /* timer value after speed check */ + u_char TimerL; + u_char CDHead; /* head pointer for CD message queue */ + u_char CDTail; /* tail pointer for CD message queue */ + u_char CDStatus; + u_char Pad_b; +}; + +struct a2232status { + u_char InHead; /* input queue head */ + u_char InTail; /* input queue tail */ + u_char OutDisable; /* disables output */ + u_char OutHead; /* output queue head */ + u_char OutTail; /* output queue tail */ + u_char OutCtrl; /* soft flow control character to send */ + u_char OutFlush; /* flushes output buffer */ + u_char Setup; /* causes reconfiguration */ + u_char Param; /* parameter byte - see A2232PARAM */ + u_char Command; /* command byte - see A2232CMD */ + u_char SoftFlow; /* enables xon/xoff flow control */ + /* private 65EC02 fields: */ + u_char XonOff; /* stores XON/XOFF enable/disable */ +}; + +#define A2232_MEMPAD1 \ + (0x0200 - NUMLINES * sizeof(struct a2232status) - \ + sizeof(struct a2232common)) +#define A2232_MEMPAD2 (0x2000 - NUMLINES * A2232_IOBUFLEN - A2232_IOBUFLEN) + +struct a2232memory { + struct a2232status Status[NUMLINES]; /* 0x0000-0x006f status areas */ + struct a2232common Common; /* 0x0070-0x0077 common flags */ + u_char Dummy1[A2232_MEMPAD1]; /* 0x00XX-0x01ff */ + u_char OutBuf[NUMLINES][A2232_IOBUFLEN];/* 0x0200-0x08ff output bufs */ + u_char InBuf[NUMLINES][A2232_IOBUFLEN]; /* 0x0900-0x0fff input bufs */ + u_char InCtl[NUMLINES][A2232_IOBUFLEN]; /* 0x1000-0x16ff control data */ + u_char CDBuf[A2232_IOBUFLEN]; /* 0x1700-0x17ff CD event buffer */ + u_char Dummy2[A2232_MEMPAD2]; /* 0x1800-0x2fff */ + u_char Code[0x1000]; /* 0x3000-0x3fff code area */ + u_short InterruptAck; /* 0x4000 intr ack */ + u_char Dummy3[0x3ffe]; /* 0x4002-0x7fff */ + u_short Enable6502Reset; /* 0x8000 Stop board, */ + /* 6502 RESET line held low */ + u_char Dummy4[0x3ffe]; /* 0x8002-0xbfff */ + u_short ResetBoard; /* 0xc000 reset board & run, */ + /* 6502 RESET line held high */ +}; + +#undef A2232_MEMPAD1 +#undef A2232_MEMPAD2 + +#define A2232INCTL_CHAR 0 /* corresponding byte in InBuf is a character */ +#define A2232INCTL_EVENT 1 /* corresponding byte in InBuf is an event */ + +#define A2232EVENT_Break 1 /* break set */ +#define A2232EVENT_CarrierOn 2 /* carrier raised */ +#define A2232EVENT_CarrierOff 3 /* carrier dropped */ +#define A2232EVENT_Sync 4 /* don't know, defined in 2232.ax */ + +#define A2232CMD_Enable 0x1 /* enable/DTR bit */ +#define A2232CMD_Close 0x2 /* close the device */ +#define A2232CMD_Open 0xb /* open the device */ +#define A2232CMD_CMask 0xf /* command mask */ +#define A2232CMD_RTSOff 0x0 /* turn off RTS */ +#define A2232CMD_RTSOn 0x8 /* turn on RTS */ +#define A2232CMD_Break 0xd /* transmit a break */ +#define A2232CMD_RTSMask 0xc /* mask for RTS stuff */ +#define A2232CMD_NoParity 0x00 /* don't use parity */ +#define A2232CMD_OddParity 0x20 /* odd parity */ +#define A2232CMD_EvenParity 0x60 /* even parity */ +#define A2232CMD_ParityMask 0xe0 /* parity mask */ + +#define A2232PARAM_B115200 0x0 /* baud rates */ +#define A2232PARAM_B50 0x1 +#define A2232PARAM_B75 0x2 +#define A2232PARAM_B110 0x3 +#define A2232PARAM_B134 0x4 +#define A2232PARAM_B150 0x5 +#define A2232PARAM_B300 0x6 +#define A2232PARAM_B600 0x7 +#define A2232PARAM_B1200 0x8 +#define A2232PARAM_B1800 0x9 +#define A2232PARAM_B2400 0xa +#define A2232PARAM_B3600 0xb +#define A2232PARAM_B4800 0xc +#define A2232PARAM_B7200 0xd +#define A2232PARAM_B9600 0xe +#define A2232PARAM_B19200 0xf +#define A2232PARAM_BaudMask 0xf /* baud rate mask */ +#define A2232PARAM_RcvBaud 0x10 /* enable receive baud rate */ +#define A2232PARAM_8Bit 0x00 /* numbers of bits */ +#define A2232PARAM_7Bit 0x20 +#define A2232PARAM_6Bit 0x40 +#define A2232PARAM_5Bit 0x60 +#define A2232PARAM_BitMask 0x60 /* numbers of bits mask */ + + +/* Standard speeds tables, -1 means unavailable, -2 means 0 baud: switch off line */ +#define A2232_BAUD_TABLE_NOAVAIL -1 +#define A2232_BAUD_TABLE_NUM_RATES (18) +static int a2232_baud_table[A2232_BAUD_TABLE_NUM_RATES*3] = { + //Baud //Normal //Turbo + 50, A2232PARAM_B50, A2232_BAUD_TABLE_NOAVAIL, + 75, A2232PARAM_B75, A2232_BAUD_TABLE_NOAVAIL, + 110, A2232PARAM_B110, A2232_BAUD_TABLE_NOAVAIL, + 134, A2232PARAM_B134, A2232_BAUD_TABLE_NOAVAIL, + 150, A2232PARAM_B150, A2232PARAM_B75, + 200, A2232_BAUD_TABLE_NOAVAIL, A2232_BAUD_TABLE_NOAVAIL, + 300, A2232PARAM_B300, A2232PARAM_B150, + 600, A2232PARAM_B600, A2232PARAM_B300, + 1200, A2232PARAM_B1200, A2232PARAM_B600, + 1800, A2232PARAM_B1800, A2232_BAUD_TABLE_NOAVAIL, + 2400, A2232PARAM_B2400, A2232PARAM_B1200, + 4800, A2232PARAM_B4800, A2232PARAM_B2400, + 9600, A2232PARAM_B9600, A2232PARAM_B4800, + 19200, A2232PARAM_B19200, A2232PARAM_B9600, + 38400, A2232_BAUD_TABLE_NOAVAIL, A2232PARAM_B19200, + 57600, A2232_BAUD_TABLE_NOAVAIL, A2232_BAUD_TABLE_NOAVAIL, +#ifdef A2232_SPEEDHACK + 115200, A2232PARAM_B115200, A2232_BAUD_TABLE_NOAVAIL, + 230400, A2232_BAUD_TABLE_NOAVAIL, A2232PARAM_B115200 +#else + 115200, A2232_BAUD_TABLE_NOAVAIL, A2232_BAUD_TABLE_NOAVAIL, + 230400, A2232_BAUD_TABLE_NOAVAIL, A2232_BAUD_TABLE_NOAVAIL +#endif +}; +#endif diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232fw.ax linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232fw.ax --- linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232fw.ax Thu Jan 1 01:00:00 1970 +++ linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232fw.ax Tue Jul 3 02:36:03 2001 @@ -0,0 +1,529 @@ +;.lib "axm" +; +;begin +;title "A2232 serial board driver" +; +;set modules "2232" +;set executable "2232.bin" +; +;;;;set nolink +; +;set temporary directory "t:" +; +;set assembly options "-m6502 -l60:t:list" +;set link options "bin"; loadadr" +;;;bin2c 2232.bin msc6502.h msc6502code +;end +; +; +; ### Commodore A2232 serial board driver for NetBSD by JM v1.3 ### +; +; - Created 950501 by JM - +; +; +; Serial board driver software. +; +; +% Copyright (c) 1995 Jukka Marin <jmarin@jmp.fi>. +% 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, and the entire permission notice in its entirety, +% including the disclaimer of warranties. +% 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. The name of the author may not be used to endorse or promote +% products derived from this software without specific prior +% written permission. +% +% ALTERNATIVELY, this product may be distributed under the terms of +% the GNU General Public License, in which case the provisions of the +% GPL are required INSTEAD OF the above restrictions. (This clause is +% necessary due to a potential bad interaction between the GPL and +% the restrictions contained in a BSD-style copyright.) +% +% THIS SOFTWARE IS PROVIDED `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. +; +; +; Bugs: +; +; - Can't send a break yet +; +; +; +; Edited: +; +; - 950501 by JM -> v0.1 - Created this file. +; - 951029 by JM -> v1.3 - Carrier Detect events now queued in a separate +; queue. +; +; + + +CODE equ $3800 ; start address for program code + + +CTL_CHAR equ $00 ; byte in ibuf is a character +CTL_EVENT equ $01 ; byte in ibuf is an event + +EVENT_BREAK equ $01 +EVENT_CDON equ $02 +EVENT_CDOFF equ $03 +EVENT_SYNC equ $04 + +XON equ $11 +XOFF equ $13 + + +VARBASE macro *starting_address ; was VARINIT +_varbase set \1 + endm + +VARDEF macro *name space_needs +\1 equ _varbase +_varbase set _varbase+\2 + endm + + +stz macro * address + db $64,\1 + endm + +stzax macro * address + db $9e,<\1,>\1 + endm + + +biti macro * immediate value + db $89,\1 + endm + +smb0 macro * address + db $87,\1 + endm +smb1 macro * address + db $97,\1 + endm +smb2 macro * address + db $a7,\1 + endm +smb3 macro * address + db $b7,\1 + endm +smb4 macro * address + db $c7,\1 + endm +smb5 macro * address + db $d7,\1 + endm +smb6 macro * address + db $e7,\1 + endm +smb7 macro * address + db $f7,\1 + endm + + + +;-----------------------------------------------------------------------; +; ; +; stuff common for all ports, non-critical (run once / loop) ; +; ; +DO_SLOW macro * port_number ; + .local ; ; + lda CIA+C_PA ; check all CD inputs ; + cmp CommonCDo ; changed from previous accptd? ; + beq =over ; nope, do nothing else here ; + ; ; + cmp CommonCDb ; bouncing? ; + beq =nobounce ; nope -> ; + ; ; + sta CommonCDb ; save current state ; + lda #64 ; reinitialize counter ; + sta CommonCDc ; ; + jmp =over ; skip CD save ; + ; ; +=nobounce dec CommonCDc ; no, decrement bounce counter ; + bpl =over ; not done yet, so skip CD save ; + ; ; +=saveCD ldx CDHead ; get write index ; + sta cdbuf,x ; save status in buffer ; + inx ; ; + cpx CDTail ; buffer full? ; + .if ne ; no: preserve status: ; + stx CDHead ; update index in RAM ; + sta CommonCDo ; save state for the next check ; + .end ; ; +=over .end local ; + endm ; + ; +;-----------------------------------------------------------------------; + + +; port specific stuff (no data transfer) + +DO_PORT macro * port_number + .local ; ; + lda SetUp\1 ; reconfiguration request? ; + .if ne ; yes: ; + lda SoftFlow\1 ; get XON/XOFF flag ; + sta XonOff\1 ; save it ; + lda Param\1 ; get parameter ; + ora #%00010000 ; use baud generator for Rx ; + sta ACIA\1+A_CTRL ; store in control register ; + stz OutDisable\1 ; enable transmit output ; + stz SetUp\1 ; no reconfiguration no more ; + .end ; ; + ; ; + lda InHead\1 ; get write index ; + sbc InTail\1 ; buffer full soon? ; + cmp #200 ; 200 chars or more in buffer? ; + lda Command\1 ; get Command reg value ; + and #%11110011 ; turn RTS OFF by default ; + .if cc ; still room in buffer: ; + ora #%00001000 ; turn RTS ON ; + .end ; ; + sta ACIA\1+A_CMD ; set/clear RTS ; + ; ; + lda OutFlush\1 ; request to flush output buffer; + .if ne ; yessh! ; + lda OutHead\1 ; get head ; + sta OutTail\1 ; save as tail ; + stz OutDisable\1 ; enable transmit output ; + stz OutFlush\1 ; clear request ; + .end + .end local + endm + + +DO_DATA macro * port number + .local + lda ACIA\1+A_SR ; read ACIA status register ; + biti [1<<3] ; something received? ; + .if ne ; yes: ; + biti [1<<1] ; framing error? ; + .if ne ; yes: ; + lda ACIA\1+A_DATA ; read received character ; + bne =SEND ; not break -> ignore it ; + ldx InHead\1 ; get write pointer ; + lda #CTL_EVENT ; get type of byte ; + sta ictl\1,x ; save it in InCtl buffer ; + lda #EVENT_BREAK ; event code ; + sta ibuf\1,x ; save it as well ; + inx ; ; + cpx InTail\1 ; still room in buffer? ; + .if ne ; absolutely: ; + stx InHead\1 ; update index in memory ; + .end ; ; + jmp =SEND ; go check if anything to send ; + .end ; ; + ; normal char received: ; + ldx InHead\1 ; get write index ; + lda ACIA\1+A_DATA ; read received character ; + sta ibuf\1,x ; save char in buffer ; + stzax ictl\1 ; set type to CTL_CHAR ; + inx ; ; + cpx InTail\1 ; buffer full? ; + .if ne ; no: preserve character: ; + stx InHead\1 ; update index in RAM ; + .end ; ; + and #$7f ; mask off parity if any ; + cmp #XOFF ; XOFF from remote host? ; + .if eq ; yes: ; + lda XonOff\1 ; if XON/XOFF handshaking.. ; + sta OutDisable\1 ; ..disable transmitter ; + .end ; ; + .end ; ; + ; ; + ; BUFFER FULL CHECK WAS HERE ; + ; ; +=SEND lda ACIA\1+A_SR ; transmit register empty? ; + and #[1<<4] ; ; + .if ne ; yes: ; + ldx OutCtrl\1 ; sending out XON/XOFF? ; + .if ne ; yes: ; + lda CIA+C_PB ; check CTS signal ; + and #[1<<\1] ; (for this port only) ; + bne =DONE ; not allowed to send -> done ; + stx ACIA\1+A_DATA ; transmit control char ; + stz OutCtrl\1 ; clear flag ; + jmp =DONE ; and we're done ; + .end ; ; + ; ; + ldx OutTail\1 ; anything to transmit? ; + cpx OutHead\1 ; ; + .if ne ; yes: ; + lda OutDisable\1 ; allowed to transmit? ; + .if eq ; yes: ; + lda CIA+C_PB ; check CTS signal ; + and #[1<<\1] ; (for this port only) ; + bne =DONE ; not allowed to send -> done ; + lda obuf\1,x ; get a char from buffer ; + sta ACIA\1+A_DATA ; send it away ; + inc OutTail\1 ; update read index ; + .end ; ; + .end ; ; + .end ; ; +=DONE .end local + endm + + + +PORTVAR macro * port number + VARDEF InHead\1 1 + VARDEF InTail\1 1 + VARDEF OutDisable\1 1 + VARDEF OutHead\1 1 + VARDEF OutTail\1 1 + VARDEF OutCtrl\1 1 + VARDEF OutFlush\1 1 + VARDEF SetUp\1 1 + VARDEF Param\1 1 + VARDEF Command\1 1 + VARDEF SoftFlow\1 1 + ; private: + VARDEF XonOff\1 1 + endm + + + VARBASE 0 ; start variables at address $0000 + PORTVAR 0 ; define variables for port 0 + PORTVAR 1 ; define variables for port 1 + PORTVAR 2 ; define variables for port 2 + PORTVAR 3 ; define variables for port 3 + PORTVAR 4 ; define variables for port 4 + PORTVAR 5 ; define variables for port 5 + PORTVAR 6 ; define variables for port 6 + + + + VARDEF Crystal 1 ; 0 = unknown, 1 = normal, 2 = turbo + VARDEF Pad_a 1 + VARDEF TimerH 1 + VARDEF TimerL 1 + VARDEF CDHead 1 + VARDEF CDTail 1 + VARDEF CDStatus 1 + VARDEF Pad_b 1 + + VARDEF CommonCDo 1 ; for carrier detect optimization + VARDEF CommonCDc 1 ; for carrier detect debouncing + VARDEF CommonCDb 1 ; for carrier detect debouncing + + + VARBASE $0200 + VARDEF obuf0 256 ; output data (characters only) + VARDEF obuf1 256 + VARDEF obuf2 256 + VARDEF obuf3 256 + VARDEF obuf4 256 + VARDEF obuf5 256 + VARDEF obuf6 256 + + VARDEF ibuf0 256 ; input data (characters, events etc - see ictl) + VARDEF ibuf1 256 + VARDEF ibuf2 256 + VARDEF ibuf3 256 + VARDEF ibuf4 256 + VARDEF ibuf5 256 + VARDEF ibuf6 256 + + VARDEF ictl0 256 ; input control information (type of data in ibuf) + VARDEF ictl1 256 + VARDEF ictl2 256 + VARDEF ictl3 256 + VARDEF ictl4 256 + VARDEF ictl5 256 + VARDEF ictl6 256 + + VARDEF cdbuf 256 ; CD event queue + + +ACIA0 equ $4400 +ACIA1 equ $4c00 +ACIA2 equ $5400 +ACIA3 equ $5c00 +ACIA4 equ $6400 +ACIA5 equ $6c00 +ACIA6 equ $7400 + +A_DATA equ $00 +A_SR equ $02 +A_CMD equ $04 +A_CTRL equ $06 +; 00 write transmit data read received data +; 02 reset ACIA read status register +; 04 write command register read command register +; 06 write control register read control register + +CIA equ $7c00 ; 8520 CIA +C_PA equ $00 ; port A data register +C_PB equ $02 ; port B data register +C_DDRA equ $04 ; data direction register for port A +C_DDRB equ $06 ; data direction register for port B +C_TAL equ $08 ; timer A +C_TAH equ $0a +C_TBL equ $0c ; timer B +C_TBH equ $0e +C_TODL equ $10 ; TOD LSB +C_TODM equ $12 ; TOD middle byte +C_TODH equ $14 ; TOD MSB +C_DATA equ $18 ; serial data register +C_INTCTRL equ $1a ; interrupt control register +C_CTRLA equ $1c ; control register A +C_CTRLB equ $1e ; control register B + + + + + + section main,code,CODE-2 + + db >CODE,<CODE + +;-----------------------------------------------------------------------; +; here's the initialization code: ; +; ; +R_RESET ldx #$ff ; + txs ; initialize stack pointer ; + cld ; in case a 6502 is used... ; + ldx #0 ; ; + lda #0 ; ; + ldy #Crystal ; this many bytes to clear ; +clr_loop sta 0,x ; clear zero page variables ; + inx ; ; + dey ; ; + bne clr_loop ; ; + ; ; + stz CommonCDo ; force CD test at boot ; + stz CommonCDb ; ; + stz CDHead ; clear queue ; + stz CDTail ; ; + ; ; + lda #0 ; ; + sta Pad_a ; ; + lda #170 ; test cmp ; + cmp #100 ; ; + .if cs ; ; + inc Pad_a ; C was set ; + .end ; ; + ; +;-----------------------------------------------------------------------; +; Speed check ; +;-----------------------------------------------------------------------; + ; + lda Crystal ; speed already set? ; + beq DoSpeedy ; ; + jmp LOOP ; yes, skip speed test ; + ; ; +DoSpeedy lda #%10011000 ; 8N1, 1200/2400 bps ; + sta ACIA0+A_CTRL ; ; + lda #%00001011 ; enable DTR ; + sta ACIA0+A_CMD ; ; + lda ACIA0+A_SR ; read status register ; + ; ; + lda #%10000000 ; disable all ints (unnecessary); + sta CIA+C_INTCTRL ; ; + lda #255 ; program the timer ; + sta CIA+C_TAL ; ; + sta CIA+C_TAH ; ; + ; ; + ldx #0 ; ; + stx ACIA0+A_DATA ; transmit a zero ; + nop ; ; + nop ; ; + lda ACIA0+A_SR ; read status ; + nop ; ; + nop ; ; + stx ACIA0+A_DATA ; transmit a zero ; +Speedy1 lda ACIA0+A_SR ; read status ; + and #[1<<4] ; transmit data reg empty? ; + beq Speedy1 ; not yet, wait more ; + ; ; + lda #%00010001 ; load & start the timer ; + stx ACIA0+A_DATA ; transmit one more zero ; + sta CIA+C_CTRLA ; ; +Speedy2 lda ACIA0+A_SR ; read status ; + and #[1<<4] ; transmit data reg empty? ; + beq Speedy2 ; not yet, wait more ; + stx CIA+C_CTRLA ; stop the timer ; + ; ; + lda CIA+C_TAL ; copy timer value for 68k ; + sta TimerL ; ; + lda CIA+C_TAH ; ; + sta TimerH ; ; + cmp #$d0 ; turbo or normal? ; + .if cs ; ; + lda #2 ; turbo! :-) ; + .else ; ; + lda #1 ; normal :-( ; + .end ; ; + sta Crystal ; ; + lda #0 ; ; + sta ACIA0+A_SR ; ; + sta ACIA0+A_CTRL ; reset UART ; + sta ACIA0+A_CMD ; ; + ; + jmp LOOP ; + ; +; ; +;-----------------------------------------------------------------------; +; ; +; The Real Thing: ; +; ; +LOOP DO_SLOW ; do non-critical things ; + jsr do_input ; check for received data + DO_PORT 0 + jsr do_input + DO_PORT 1 + jsr do_input + DO_PORT 2 + jsr do_input + DO_PORT 3 + jsr do_input + DO_PORT 4 + jsr do_input + DO_PORT 5 + jsr do_input + DO_PORT 6 + jsr do_input + jmp LOOP + + +do_input DO_DATA 0 + DO_DATA 1 + DO_DATA 2 + DO_DATA 3 + DO_DATA 4 + DO_DATA 5 + DO_DATA 6 + rts + + +;-----------------------------------------------------------------------; + section vectors,data,$3ffa + dw $d0d0 + dw R_RESET + dw $c0ce +;-----------------------------------------------------------------------; + + + + end + + + diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232fw.h linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232fw.h --- linux-2.4.6-pre8-vanilla/drivers/char/ser_a2232fw.h Thu Jan 1 01:00:00 1970 +++ linux-2.4.6-pre8-withA2232/drivers/char/ser_a2232fw.h Tue Jul 3 02:36:03 2001 @@ -0,0 +1,306 @@ +/* drivers/char/ser_a2232fw.h */ + +/* $Id: ser_a2232fw.h,v 0.4 2000/01/25 12:00:00 ehaase Exp $ */ + +/* + * Copyright (c) 1995 Jukka Marin <jmarin@jmp.fi>. + * 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, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 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. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED `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. + * + */ + +/* This is the 65EC02 code by Jukka Marin that is executed by + the A2232's 65EC02 processor (base address: 0x3800) + Source file: ser_a2232fw.ax + Version: 1.3 (951029) + Known Bugs: Cannot send a break yet +*/ +static unsigned char a2232_65EC02code[] = { + 0x38, 0x00, 0xA2, 0xFF, 0x9A, 0xD8, 0xA2, 0x00, + 0xA9, 0x00, 0xA0, 0x54, 0x95, 0x00, 0xE8, 0x88, + 0xD0, 0xFA, 0x64, 0x5C, 0x64, 0x5E, 0x64, 0x58, + 0x64, 0x59, 0xA9, 0x00, 0x85, 0x55, 0xA9, 0xAA, + 0xC9, 0x64, 0x90, 0x02, 0xE6, 0x55, 0xA5, 0x54, + 0xF0, 0x03, 0x4C, 0x92, 0x38, 0xA9, 0x98, 0x8D, + 0x06, 0x44, 0xA9, 0x0B, 0x8D, 0x04, 0x44, 0xAD, + 0x02, 0x44, 0xA9, 0x80, 0x8D, 0x1A, 0x7C, 0xA9, + 0xFF, 0x8D, 0x08, 0x7C, 0x8D, 0x0A, 0x7C, 0xA2, + 0x00, 0x8E, 0x00, 0x44, 0xEA, 0xEA, 0xAD, 0x02, + 0x44, 0xEA, 0xEA, 0x8E, 0x00, 0x44, 0xAD, 0x02, + 0x44, 0x29, 0x10, 0xF0, 0xF9, 0xA9, 0x11, 0x8E, + 0x00, 0x44, 0x8D, 0x1C, 0x7C, 0xAD, 0x02, 0x44, + 0x29, 0x10, 0xF0, 0xF9, 0x8E, 0x1C, 0x7C, 0xAD, + 0x08, 0x7C, 0x85, 0x57, 0xAD, 0x0A, 0x7C, 0x85, + 0x56, 0xC9, 0xD0, 0x90, 0x05, 0xA9, 0x02, 0x4C, + 0x82, 0x38, 0xA9, 0x01, 0x85, 0x54, 0xA9, 0x00, + 0x8D, 0x02, 0x44, 0x8D, 0x06, 0x44, 0x8D, 0x04, + 0x44, 0x4C, 0x92, 0x38, 0xAD, 0x00, 0x7C, 0xC5, + 0x5C, 0xF0, 0x1F, 0xC5, 0x5E, 0xF0, 0x09, 0x85, + 0x5E, 0xA9, 0x40, 0x85, 0x5D, 0x4C, 0xB8, 0x38, + 0xC6, 0x5D, 0x10, 0x0E, 0xA6, 0x58, 0x9D, 0x00, + 0x17, 0xE8, 0xE4, 0x59, 0xF0, 0x04, 0x86, 0x58, + 0x85, 0x5C, 0x20, 0x23, 0x3A, 0xA5, 0x07, 0xF0, + 0x0F, 0xA5, 0x0A, 0x85, 0x0B, 0xA5, 0x08, 0x09, + 0x10, 0x8D, 0x06, 0x44, 0x64, 0x02, 0x64, 0x07, + 0xA5, 0x00, 0xE5, 0x01, 0xC9, 0xC8, 0xA5, 0x09, + 0x29, 0xF3, 0xB0, 0x02, 0x09, 0x08, 0x8D, 0x04, + 0x44, 0xA5, 0x06, 0xF0, 0x08, 0xA5, 0x03, 0x85, + 0x04, 0x64, 0x02, 0x64, 0x06, 0x20, 0x23, 0x3A, + 0xA5, 0x13, 0xF0, 0x0F, 0xA5, 0x16, 0x85, 0x17, + 0xA5, 0x14, 0x09, 0x10, 0x8D, 0x06, 0x4C, 0x64, + 0x0E, 0x64, 0x13, 0xA5, 0x0C, 0xE5, 0x0D, 0xC9, + 0xC8, 0xA5, 0x15, 0x29, 0xF3, 0xB0, 0x02, 0x09, + 0x08, 0x8D, 0x04, 0x4C, 0xA5, 0x12, 0xF0, 0x08, + 0xA5, 0x0F, 0x85, 0x10, 0x64, 0x0E, 0x64, 0x12, + 0x20, 0x23, 0x3A, 0xA5, 0x1F, 0xF0, 0x0F, 0xA5, + 0x22, 0x85, 0x23, 0xA5, 0x20, 0x09, 0x10, 0x8D, + 0x06, 0x54, 0x64, 0x1A, 0x64, 0x1F, 0xA5, 0x18, + 0xE5, 0x19, 0xC9, 0xC8, 0xA5, 0x21, 0x29, 0xF3, + 0xB0, 0x02, 0x09, 0x08, 0x8D, 0x04, 0x54, 0xA5, + 0x1E, 0xF0, 0x08, 0xA5, 0x1B, 0x85, 0x1C, 0x64, + 0x1A, 0x64, 0x1E, 0x20, 0x23, 0x3A, 0xA5, 0x2B, + 0xF0, 0x0F, 0xA5, 0x2E, 0x85, 0x2F, 0xA5, 0x2C, + 0x09, 0x10, 0x8D, 0x06, 0x5C, 0x64, 0x26, 0x64, + 0x2B, 0xA5, 0x24, 0xE5, 0x25, 0xC9, 0xC8, 0xA5, + 0x2D, 0x29, 0xF3, 0xB0, 0x02, 0x09, 0x08, 0x8D, + 0x04, 0x5C, 0xA5, 0x2A, 0xF0, 0x08, 0xA5, 0x27, + 0x85, 0x28, 0x64, 0x26, 0x64, 0x2A, 0x20, 0x23, + 0x3A, 0xA5, 0x37, 0xF0, 0x0F, 0xA5, 0x3A, 0x85, + 0x3B, 0xA5, 0x38, 0x09, 0x10, 0x8D, 0x06, 0x64, + 0x64, 0x32, 0x64, 0x37, 0xA5, 0x30, 0xE5, 0x31, + 0xC9, 0xC8, 0xA5, 0x39, 0x29, 0xF3, 0xB0, 0x02, + 0x09, 0x08, 0x8D, 0x04, 0x64, 0xA5, 0x36, 0xF0, + 0x08, 0xA5, 0x33, 0x85, 0x34, 0x64, 0x32, 0x64, + 0x36, 0x20, 0x23, 0x3A, 0xA5, 0x43, 0xF0, 0x0F, + 0xA5, 0x46, 0x85, 0x47, 0xA5, 0x44, 0x09, 0x10, + 0x8D, 0x06, 0x6C, 0x64, 0x3E, 0x64, 0x43, 0xA5, + 0x3C, 0xE5, 0x3D, 0xC9, 0xC8, 0xA5, 0x45, 0x29, + 0xF3, 0xB0, 0x02, 0x09, 0x08, 0x8D, 0x04, 0x6C, + 0xA5, 0x42, 0xF0, 0x08, 0xA5, 0x3F, 0x85, 0x40, + 0x64, 0x3E, 0x64, 0x42, 0x20, 0x23, 0x3A, 0xA5, + 0x4F, 0xF0, 0x0F, 0xA5, 0x52, 0x85, 0x53, 0xA5, + 0x50, 0x09, 0x10, 0x8D, 0x06, 0x74, 0x64, 0x4A, + 0x64, 0x4F, 0xA5, 0x48, 0xE5, 0x49, 0xC9, 0xC8, + 0xA5, 0x51, 0x29, 0xF3, 0xB0, 0x02, 0x09, 0x08, + 0x8D, 0x04, 0x74, 0xA5, 0x4E, 0xF0, 0x08, 0xA5, + 0x4B, 0x85, 0x4C, 0x64, 0x4A, 0x64, 0x4E, 0x20, + 0x23, 0x3A, 0x4C, 0x92, 0x38, 0xAD, 0x02, 0x44, + 0x89, 0x08, 0xF0, 0x3B, 0x89, 0x02, 0xF0, 0x1B, + 0xAD, 0x00, 0x44, 0xD0, 0x32, 0xA6, 0x00, 0xA9, + 0x01, 0x9D, 0x00, 0x10, 0xA9, 0x01, 0x9D, 0x00, + 0x09, 0xE8, 0xE4, 0x01, 0xF0, 0x02, 0x86, 0x00, + 0x4C, 0x65, 0x3A, 0xA6, 0x00, 0xAD, 0x00, 0x44, + 0x9D, 0x00, 0x09, 0x9E, 0x00, 0x10, 0xE8, 0xE4, + 0x01, 0xF0, 0x02, 0x86, 0x00, 0x29, 0x7F, 0xC9, + 0x13, 0xD0, 0x04, 0xA5, 0x0B, 0x85, 0x02, 0xAD, + 0x02, 0x44, 0x29, 0x10, 0xF0, 0x2C, 0xA6, 0x05, + 0xF0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x01, 0xD0, + 0x21, 0x8E, 0x00, 0x44, 0x64, 0x05, 0x4C, 0x98, + 0x3A, 0xA6, 0x04, 0xE4, 0x03, 0xF0, 0x13, 0xA5, + 0x02, 0xD0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x01, + 0xD0, 0x08, 0xBD, 0x00, 0x02, 0x8D, 0x00, 0x44, + 0xE6, 0x04, 0xAD, 0x02, 0x4C, 0x89, 0x08, 0xF0, + 0x3B, 0x89, 0x02, 0xF0, 0x1B, 0xAD, 0x00, 0x4C, + 0xD0, 0x32, 0xA6, 0x0C, 0xA9, 0x01, 0x9D, 0x00, + 0x11, 0xA9, 0x01, 0x9D, 0x00, 0x0A, 0xE8, 0xE4, + 0x0D, 0xF0, 0x02, 0x86, 0x0C, 0x4C, 0xDA, 0x3A, + 0xA6, 0x0C, 0xAD, 0x00, 0x4C, 0x9D, 0x00, 0x0A, + 0x9E, 0x00, 0x11, 0xE8, 0xE4, 0x0D, 0xF0, 0x02, + 0x86, 0x0C, 0x29, 0x7F, 0xC9, 0x13, 0xD0, 0x04, + 0xA5, 0x17, 0x85, 0x0E, 0xAD, 0x02, 0x4C, 0x29, + 0x10, 0xF0, 0x2C, 0xA6, 0x11, 0xF0, 0x0F, 0xAD, + 0x02, 0x7C, 0x29, 0x02, 0xD0, 0x21, 0x8E, 0x00, + 0x4C, 0x64, 0x11, 0x4C, 0x0D, 0x3B, 0xA6, 0x10, + 0xE4, 0x0F, 0xF0, 0x13, 0xA5, 0x0E, 0xD0, 0x0F, + 0xAD, 0x02, 0x7C, 0x29, 0x02, 0xD0, 0x08, 0xBD, + 0x00, 0x03, 0x8D, 0x00, 0x4C, 0xE6, 0x10, 0xAD, + 0x02, 0x54, 0x89, 0x08, 0xF0, 0x3B, 0x89, 0x02, + 0xF0, 0x1B, 0xAD, 0x00, 0x54, 0xD0, 0x32, 0xA6, + 0x18, 0xA9, 0x01, 0x9D, 0x00, 0x12, 0xA9, 0x01, + 0x9D, 0x00, 0x0B, 0xE8, 0xE4, 0x19, 0xF0, 0x02, + 0x86, 0x18, 0x4C, 0x4F, 0x3B, 0xA6, 0x18, 0xAD, + 0x00, 0x54, 0x9D, 0x00, 0x0B, 0x9E, 0x00, 0x12, + 0xE8, 0xE4, 0x19, 0xF0, 0x02, 0x86, 0x18, 0x29, + 0x7F, 0xC9, 0x13, 0xD0, 0x04, 0xA5, 0x23, 0x85, + 0x1A, 0xAD, 0x02, 0x54, 0x29, 0x10, 0xF0, 0x2C, + 0xA6, 0x1D, 0xF0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, + 0x04, 0xD0, 0x21, 0x8E, 0x00, 0x54, 0x64, 0x1D, + 0x4C, 0x82, 0x3B, 0xA6, 0x1C, 0xE4, 0x1B, 0xF0, + 0x13, 0xA5, 0x1A, 0xD0, 0x0F, 0xAD, 0x02, 0x7C, + 0x29, 0x04, 0xD0, 0x08, 0xBD, 0x00, 0x04, 0x8D, + 0x00, 0x54, 0xE6, 0x1C, 0xAD, 0x02, 0x5C, 0x89, + 0x08, 0xF0, 0x3B, 0x89, 0x02, 0xF0, 0x1B, 0xAD, + 0x00, 0x5C, 0xD0, 0x32, 0xA6, 0x24, 0xA9, 0x01, + 0x9D, 0x00, 0x13, 0xA9, 0x01, 0x9D, 0x00, 0x0C, + 0xE8, 0xE4, 0x25, 0xF0, 0x02, 0x86, 0x24, 0x4C, + 0xC4, 0x3B, 0xA6, 0x24, 0xAD, 0x00, 0x5C, 0x9D, + 0x00, 0x0C, 0x9E, 0x00, 0x13, 0xE8, 0xE4, 0x25, + 0xF0, 0x02, 0x86, 0x24, 0x29, 0x7F, 0xC9, 0x13, + 0xD0, 0x04, 0xA5, 0x2F, 0x85, 0x26, 0xAD, 0x02, + 0x5C, 0x29, 0x10, 0xF0, 0x2C, 0xA6, 0x29, 0xF0, + 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x08, 0xD0, 0x21, + 0x8E, 0x00, 0x5C, 0x64, 0x29, 0x4C, 0xF7, 0x3B, + 0xA6, 0x28, 0xE4, 0x27, 0xF0, 0x13, 0xA5, 0x26, + 0xD0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x08, 0xD0, + 0x08, 0xBD, 0x00, 0x05, 0x8D, 0x00, 0x5C, 0xE6, + 0x28, 0xAD, 0x02, 0x64, 0x89, 0x08, 0xF0, 0x3B, + 0x89, 0x02, 0xF0, 0x1B, 0xAD, 0x00, 0x64, 0xD0, + 0x32, 0xA6, 0x30, 0xA9, 0x01, 0x9D, 0x00, 0x14, + 0xA9, 0x01, 0x9D, 0x00, 0x0D, 0xE8, 0xE4, 0x31, + 0xF0, 0x02, 0x86, 0x30, 0x4C, 0x39, 0x3C, 0xA6, + 0x30, 0xAD, 0x00, 0x64, 0x9D, 0x00, 0x0D, 0x9E, + 0x00, 0x14, 0xE8, 0xE4, 0x31, 0xF0, 0x02, 0x86, + 0x30, 0x29, 0x7F, 0xC9, 0x13, 0xD0, 0x04, 0xA5, + 0x3B, 0x85, 0x32, 0xAD, 0x02, 0x64, 0x29, 0x10, + 0xF0, 0x2C, 0xA6, 0x35, 0xF0, 0x0F, 0xAD, 0x02, + 0x7C, 0x29, 0x10, 0xD0, 0x21, 0x8E, 0x00, 0x64, + 0x64, 0x35, 0x4C, 0x6C, 0x3C, 0xA6, 0x34, 0xE4, + 0x33, 0xF0, 0x13, 0xA5, 0x32, 0xD0, 0x0F, 0xAD, + 0x02, 0x7C, 0x29, 0x10, 0xD0, 0x08, 0xBD, 0x00, + 0x06, 0x8D, 0x00, 0x64, 0xE6, 0x34, 0xAD, 0x02, + 0x6C, 0x89, 0x08, 0xF0, 0x3B, 0x89, 0x02, 0xF0, + 0x1B, 0xAD, 0x00, 0x6C, 0xD0, 0x32, 0xA6, 0x3C, + 0xA9, 0x01, 0x9D, 0x00, 0x15, 0xA9, 0x01, 0x9D, + 0x00, 0x0E, 0xE8, 0xE4, 0x3D, 0xF0, 0x02, 0x86, + 0x3C, 0x4C, 0xAE, 0x3C, 0xA6, 0x3C, 0xAD, 0x00, + 0x6C, 0x9D, 0x00, 0x0E, 0x9E, 0x00, 0x15, 0xE8, + 0xE4, 0x3D, 0xF0, 0x02, 0x86, 0x3C, 0x29, 0x7F, + 0xC9, 0x13, 0xD0, 0x04, 0xA5, 0x47, 0x85, 0x3E, + 0xAD, 0x02, 0x6C, 0x29, 0x10, 0xF0, 0x2C, 0xA6, + 0x41, 0xF0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x20, + 0xD0, 0x21, 0x8E, 0x00, 0x6C, 0x64, 0x41, 0x4C, + 0xE1, 0x3C, 0xA6, 0x40, 0xE4, 0x3F, 0xF0, 0x13, + 0xA5, 0x3E, 0xD0, 0x0F, 0xAD, 0x02, 0x7C, 0x29, + 0x20, 0xD0, 0x08, 0xBD, 0x00, 0x07, 0x8D, 0x00, + 0x6C, 0xE6, 0x40, 0xAD, 0x02, 0x74, 0x89, 0x08, + 0xF0, 0x3B, 0x89, 0x02, 0xF0, 0x1B, 0xAD, 0x00, + 0x74, 0xD0, 0x32, 0xA6, 0x48, 0xA9, 0x01, 0x9D, + 0x00, 0x16, 0xA9, 0x01, 0x9D, 0x00, 0x0F, 0xE8, + 0xE4, 0x49, 0xF0, 0x02, 0x86, 0x48, 0x4C, 0x23, + 0x3D, 0xA6, 0x48, 0xAD, 0x00, 0x74, 0x9D, 0x00, + 0x0F, 0x9E, 0x00, 0x16, 0xE8, 0xE4, 0x49, 0xF0, + 0x02, 0x86, 0x48, 0x29, 0x7F, 0xC9, 0x13, 0xD0, + 0x04, 0xA5, 0x53, 0x85, 0x4A, 0xAD, 0x02, 0x74, + 0x29, 0x10, 0xF0, 0x2C, 0xA6, 0x4D, 0xF0, 0x0F, + 0xAD, 0x02, 0x7C, 0x29, 0x40, 0xD0, 0x21, 0x8E, + 0x00, 0x74, 0x64, 0x4D, 0x4C, 0x56, 0x3D, 0xA6, + 0x4C, 0xE4, 0x4B, 0xF0, 0x13, 0xA5, 0x4A, 0xD0, + 0x0F, 0xAD, 0x02, 0x7C, 0x29, 0x40, 0xD0, 0x08, + 0xBD, 0x00, 0x08, 0x8D, 0x00, 0x74, 0xE6, 0x4C, + 0x60, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xD0, 0xD0, 0x00, 0x38, + 0xCE, 0xC0, +}; diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/drivers/char/tty_io.c linux-2.4.6-pre8-withA2232/drivers/char/tty_io.c --- linux-2.4.6-pre8-vanilla/drivers/char/tty_io.c Tue Jul 3 01:42:58 2001 +++ linux-2.4.6-pre8-withA2232/drivers/char/tty_io.c Tue Jul 3 02:32:40 2001 @@ -2359,4 +2359,7 @@ #ifdef CONFIG_HWC hwc_tty_init(); #endif +#ifdef CONFIG_A2232 + a2232board_init(); +#endif } diff -u --recursive --new-file linux-2.4.6-pre8-vanilla/include/linux/tty.h linux-2.4.6-pre8-withA2232/include/linux/tty.h --- linux-2.4.6-pre8-vanilla/include/linux/tty.h Sat May 26 03:01:28 2001 +++ linux-2.4.6-pre8-withA2232/include/linux/tty.h Tue Jul 3 02:39:54 2001 @@ -366,6 +366,7 @@ extern int specialix_init(void); extern int espserial_init(void); extern int macserial_init(void); +extern int a2232board_init(void); extern int tty_paranoia_check(struct tty_struct *tty, kdev_t device, const char *routine); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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