patch-2.3.14 linux/drivers/char/lp_intern.c

• Lines: 365
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.13/linux/drivers/char/lp_intern.c
• Orig date: Mon Aug 9 14:59:20 1999

diff -u --recursive --new-file v2.3.13/linux/drivers/char/lp_intern.c linux/drivers/char/lp_intern.c
@@ -1,364 +0,0 @@
-
-/*
- * split into mid and low-level for better support of different hardware
- * by Joerg Dorchain (dorchain@mpi-sb.mpg.de)
- *
- * Amiga printer device by Michael Rausch (linux@uni-koblenz.de);
- * Atari support added by Andreas Schwab (schwab@ls5.informatik.uni-dortmund.de);
- * based upon work from
- *
- * Copyright (C) 1992 by Jim Weigand and Linus Torvalds
- * Copyright (C) 1992,1993 by Michael K. Johnson
- * - Thanks much to Gunter Windau for pointing out to me where the error
- *   checking ought to be.
- * Copyright (C) 1993 by Nigel Gamble (added interrupt code)
- */
-
-#include <linux/module.h>
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <asm/irq.h>
-#include <asm/setup.h>
-#ifdef CONFIG_AMIGA
-#include <asm/amigahw.h>
-#include <asm/amigaints.h>
-#endif
-#ifdef CONFIG_ATARI
-#include <linux/delay.h>
-#include <asm/atarihw.h>
-#include <asm/atariints.h>
-#endif
-#ifdef CONFIG_MVME16x
-#include <asm/mvme16xhw.h>
-#endif
-#ifdef CONFIG_BVME6000
-#include<asm/bvme6000hw.h>
-#endif
-#include <linux/lp_intern.h>
-
-static int minor = -1;
-MODULE_PARM(minor,"i");
-
-static void lp_int_out(int, int);
-static int lp_int_busy(int);
-static int lp_int_pout(int);
-static int lp_int_online(int);
-
-
-static void
-lp_int_out (int c, int dev)
-{
-  switch (m68k_machtype)
-    {
-#ifdef CONFIG_AMIGA
-    case MACH_AMIGA:
-       {
-	int wait = 0;
-	while (wait != lp_table[dev]->wait) wait++;
-	ciaa.prb = c;
-       }
-      break;
-#endif
-#ifdef CONFIG_ATARI
-    case MACH_ATARI:
-       {
-	 int wait = 0;
-	 sound_ym.rd_data_reg_sel = 15;
-	 sound_ym.wd_data = c;
-	 sound_ym.rd_data_reg_sel = 14;
-	 while (wait != lp_table[dev]->wait) wait++;
-	 sound_ym.wd_data = sound_ym.rd_data_reg_sel & ~(1 << 5);
-	 while (wait) wait--;
-	 sound_ym.wd_data = sound_ym.rd_data_reg_sel | (1 << 5);
-	 break;
-       }
-#endif
-#ifdef CONFIG_MVME16x
-    case MACH_MVME16x:
-      {
-	int wait = 0;
-	while (wait != lp_table[dev]->wait) wait++;
-        mvmelp.data = c;
-        break;
-      }
-#endif
-#ifdef CONFIG_BVME6000
-    case MACH_BVME6000:
-      {
-	int wait = 0;
-	while (wait != lp_table[dev]->wait) wait++;
-        bvmepit.padr = c;
-        bvmepit.pacr |= 0x02;
-        break;
-      }
-#endif
-    }
-}
-
-static int
-lp_int_busy (int dev)
-{
-  switch (m68k_machtype)
-    {
-#ifdef CONFIG_AMIGA
-    case MACH_AMIGA:
-      return ciab.pra & 1;
-#endif
-#ifdef CONFIG_ATARI
-    case MACH_ATARI:
-      return mfp.par_dt_reg & 1;
-#endif
-#ifdef CONFIG_MVME16x
-    case MACH_MVME16x:
-      return mvmelp.isr & 1;
-#endif
-#ifdef CONFIG_BVME6000
-    case MACH_BVME6000:
-      return 0 /* !(bvmepit.psr & 0x40) */ ;
-#endif
-    default:
-      return 0;
-    }
-}
-
-static int
-lp_int_pout (int dev)
-{
-  switch (m68k_machtype)
-    {
-#ifdef CONFIG_AMIGA
-    case MACH_AMIGA:
-      return ciab.pra & 2;
-#endif
-#ifdef CONFIG_ATARI
-    case MACH_ATARI:
-      return 0;
-#endif
-#ifdef CONFIG_MVME16x
-    case MACH_MVME16x:
-      return mvmelp.isr & 2;
-#endif
-#ifdef CONFIG_BVME6000
-    case MACH_BVME6000:
-      return 0;
-#endif
-    default:
-      return 0;
-    }
-}
-
-static int
-lp_int_online (int dev)
-{
-  switch (m68k_machtype)
-    {
-#ifdef CONFIG_AMIGA
-    case MACH_AMIGA:
-      return ciab.pra & 4;
-#endif
-#ifdef CONFIG_ATARI
-    case MACH_ATARI:
-      return !(mfp.par_dt_reg & 1);
-#endif
-#ifdef CONFIG_MVME16x
-    case MACH_MVME16x:
-      return mvmelp.isr & 4;
-#endif
-#ifdef CONFIG_BVME6000
-    case MACH_BVME6000:
-      return 1;
-#endif
-    default:
-      return 0;
-    }
-}
-
-static void lp_int_interrupt(int irq, void *data, struct pt_regs *fp)
-{
-#ifdef CONFIG_MVME16x
-  if (MACH_IS_MVME16x)
-    mvmelp.ack_icr |= 0x08;
-#endif
-#ifdef CONFIG_BVME6000
-  if (MACH_IS_BVME6000)
-    bvmepit.pacr &= ~0x02;
-#endif
-  lp_interrupt(minor);
-}
-
-static int lp_int_open(int dev)
-{
-  MOD_INC_USE_COUNT;
-  return 0;
-}
-
-static void lp_int_release(int dev)
-{
-  MOD_DEC_USE_COUNT;
-}
-
-static struct lp_struct tab = {
-	"Builtin parallel port",	/* name */
-	0,				/* irq */
-	lp_int_out,
-	lp_int_busy,
-	lp_int_pout,
-	lp_int_online,
-	0,
-	NULL,				/* ioctl */
-	lp_int_open,
-	lp_int_release,
-	LP_EXIST,
-	LP_INIT_CHAR,
-	LP_INIT_TIME,
-	LP_INIT_WAIT,
-	NULL,
-	NULL,
-};
-
-int __init lp_internal_init(void)
-{
-#ifdef CONFIG_AMIGA
-  if (MACH_IS_AMIGA && AMIGAHW_PRESENT(AMI_PARALLEL))
-    {
-      ciaa.ddrb = 0xff;
-      ciab.ddra &= 0xf8;
-      if (lp_irq)
-        tab.irq = request_irq(IRQ_AMIGA_CIAA_FLG, lp_int_interrupt,
-          0, "builtin printer port", lp_int_interrupt);
-      tab.base = (void *) &ciaa.prb; /* dummy, not used */
-      tab.type = LP_AMIGA;
-    }
-#endif
-#ifdef CONFIG_ATARI
-  if (MACH_IS_ATARI)
-    {
-      unsigned long flags;
-
-      save_flags(flags);
-      cli();
-      sound_ym.rd_data_reg_sel = 7;
-      sound_ym.wd_data = (sound_ym.rd_data_reg_sel & 0x3f) | 0xc0;
-      restore_flags(flags);
-      if (lp_irq)
-        tab.irq = request_irq(IRQ_MFP_BUSY, lp_int_interrupt,
-          IRQ_TYPE_SLOW, "builtin printer port", lp_int_interrupt);
-      tab.base = (void *) &sound_ym.wd_data; /* dummy, not used */
-      tab.type = LP_ATARI;
-    }
-#endif
-#ifdef CONFIG_MAC
-    if (MACH_IS_MAC)
-    	return -ENODEV;
-#endif
-#ifdef CONFIG_MVME16x
-    if (MACH_IS_MVME16x)
-    {
-      unsigned long flags;
-
-      if (!(mvme16x_config & MVME16x_CONFIG_GOT_LP))
-        return -ENODEV;
-
-      save_flags(flags);
-      cli();
-      mvmelp.ack_icr = 0x08;
-      mvmelp.flt_icr = 0x08;
-      mvmelp.sel_icr = 0x08;
-      mvmelp.pe_icr =  0x08;
-      mvmelp.bsy_icr = 0x08;
-      mvmelp.cr =      0x10;
-      mvmelp.ack_icr = 0xd9; /* Int on trailing edge of ACK */
-      restore_flags(flags);
-
-      if (lp_irq)
-        tab.irq = request_irq(MVME167_IRQ_PRN, lp_int_interrupt,
-          0, "builtin printer port", lp_int_interrupt);
-      tab.base = (void *)&mvmelp; /* dummy, not used */
-      tab.type = LP_MVME167;
-    }
-#endif
-#ifdef CONFIG_BVME6000
-    if (MACH_IS_BVME6000)
-    {
-      unsigned long flags;
-
-      save_flags(flags);
-      cli();
-      bvmepit.pgcr =   0x0f;
-      bvmepit.psrr =   0x18;
-      bvmepit.paddr =  0xff;
-      bvmepit.pcdr  =  (bvmepit.pcdr & 0xfc) | 0x02;
-      bvmepit.pcddr |= 0x03;
-      bvmepit.pacr =   0x78;
-      bvmepit.pbcr =   0x00;
-      bvmepit.pivr =   BVME_IRQ_PRN;
-      bvmepit.pgcr =   0x1f;
-      restore_flags(flags);
-
-      if (lp_irq)
-        tab.irq = request_irq(BVME_IRQ_PRN, lp_int_interrupt,
-          0, "builtin printer port", lp_int_interrupt);
-      tab.base = (void *)&bvmepit; /* dummy, not used */
-      tab.type = LP_BVME6000;
-    }
-#endif
-
-
-  if ((minor = register_parallel(&tab, minor)) < 0) {
-    printk("builtin lp init: cant get a minor\n");
-    if (lp_irq) {
-#ifdef CONFIG_AMIGA
-      if (MACH_IS_AMIGA)
-	free_irq(IRQ_AMIGA_CIAA_FLG, lp_int_interrupt);
-#endif
-#ifdef CONFIG_ATARI
-      if (MACH_IS_ATARI)
-	free_irq(IRQ_MFP_BUSY, lp_int_interrupt);
-#endif
-#ifdef CONFIG_MVME16x
-      if (MACH_IS_MVME16x)
-        free_irq(MVME167_IRQ_PRN, lp_int_interrupt);
-#endif
-#ifdef CONFIG_BVME6000
-      if (MACH_IS_BVME6000)
-        free_irq(BVME_IRQ_PRN, lp_int_interrupt);
-#endif
-    }
-    return -ENODEV;
-  }
-  
-  return 0;
-}
-
-#ifdef MODULE
-int init_module(void)
-{
-return lp_internal_init();
-}
-
-void cleanup_module(void)
-{
-if (lp_irq) {
-#ifdef CONFIG_AMIGA
-  if (MACH_IS_AMIGA)
-    free_irq(IRQ_AMIGA_CIAA_FLG, lp_int_interrupt);
-#endif
-#ifdef CONFIG_ATARI
-  if (MACH_IS_ATARI)
-    free_irq(IRQ_MFP_BUSY, lp_int_interrupt);
-#endif
-#ifdef CONFIG_MVME16x
-  if (MACH_IS_MVME16x)
-    free_irq(MVME167_IRQ_PRN, lp_int_interrupt);
-#endif
-#ifdef CONFIG_BVME6000
-  if (MACH_IS_BVME6000)
-    free_irq(BVME_IRQ_PRN, lp_int_interrupt);
-#endif
-}
-unregister_parallel(minor);
-}
-#endif