patch-1.3.78 linux/drivers/cdrom/optcd_isp16.h

• Lines: 338
• Date: Thu Jan 1 02:00:00 1970
• Orig file: v1.3.77/linux/drivers/cdrom/optcd_isp16.h
• Orig date: Tue Jan 23 21:15:39 1996

diff -u --recursive --new-file v1.3.77/linux/drivers/cdrom/optcd_isp16.h linux/drivers/cdrom/optcd_isp16.h
@@ -1,337 +0,0 @@
-/* linux/drivers/cdrom/optcd_isp16.h - ISP16 CDROM interface configuration
-   $Id: optcd_isp16.h,v 1.3 1996/01/15 18:43:11 root Exp root $
-
-   Extracts from linux/drivers/cdrom/sjcd.c
-   For copyrights see linux/drivers/cdrom/optcd.c
-*/
-
-
-/* Some (Media)Magic */
-/* define types of drive the interface on an ISP16 card may be looking at */
-#define ISP16_DRIVE_X 0x00
-#define ISP16_SONY  0x02
-#define ISP16_PANASONIC0 0x02
-#define ISP16_SANYO0 0x02
-#define ISP16_MITSUMI  0x04
-#define ISP16_PANASONIC1 0x06
-#define ISP16_SANYO1 0x06
-#define ISP16_DRIVE_NOT_USED 0x08  /* not used */
-#define ISP16_DRIVE_SET_MASK 0xF1  /* don't change 0-bit or 4-7-bits*/
-/* ...for port */
-#define ISP16_DRIVE_SET_PORT 0xF8D
-/* set io parameters */
-#define ISP16_BASE_340  0x00
-#define ISP16_BASE_330  0x40
-#define ISP16_BASE_360  0x80
-#define ISP16_BASE_320  0xC0
-#define ISP16_IRQ_X  0x00
-#define ISP16_IRQ_5  0x04  /* shouldn't be used due to soundcard conflicts */
-#define ISP16_IRQ_7  0x08  /* shouldn't be used due to soundcard conflicts */
-#define ISP16_IRQ_3  0x0C
-#define ISP16_IRQ_9  0x10
-#define ISP16_IRQ_10  0x14
-#define ISP16_IRQ_11  0x18
-#define ISP16_DMA_X  0x03
-#define ISP16_DMA_3  0x00
-#define ISP16_DMA_5  0x00
-#define ISP16_DMA_6  0x01
-#define ISP16_DMA_7  0x02
-#define ISP16_IO_SET_MASK  0x20  /* don't change 5-bit */
-/* ...for port */
-#define ISP16_IO_SET_PORT  0xF8E
-/* enable the card */
-#define ISP16_C928__ENABLE_PORT  0xF90  /* ISP16 with OPTi 82C928 chip */
-#define ISP16_C929__ENABLE_PORT  0xF91  /* ISP16 with OPTi 82C929 chip */
-#define ISP16_ENABLE_CDROM  0x80  /* seven bit */
-
-/* the magic stuff */
-#define ISP16_CTRL_PORT  0xF8F
-#define ISP16_C928__CTRL  0xE2  /* ISP16 with OPTi 82C928 chip */
-#define ISP16_C929__CTRL  0xE3  /* ISP16 with OPTi 82C929 chip */
-
-static short isp16_detect(void);
-static short isp16_c928__detect(void);
-static short isp16_c929__detect(void);
-static short isp16_cdi_config( int base, u_char drive_type, int irq, int dma );
-static void isp16_sound_config( void );
-static short isp16_type; /* dependent on type of interface card */
-static u_char isp16_ctrl;
-static u_short isp16_enable_port;
-
-/*static int sjcd_present = 0;*/
-static u_char special_mask = 0;
-
-static unsigned char defaults[ 16 ] = {
-  0xA8, 0xA8, 0x18, 0x18, 0x18, 0x18, 0x8E, 0x8E,
-  0x03, 0x00, 0x02, 0x00, 0x0A, 0x00, 0x00, 0x00
-};
-/* ------------- */
-/*
- * -- ISP16 detection and configuration
- *
- *    Copyright (c) 1995, Eric van der Maarel <maarel@marin.nl>
- *
- *    Version 0.5
- *
- *    Detect cdrom interface on ISP16 soundcard.
- *    Configure cdrom interface.
- *    Configure sound interface.
- *
- *    Algorithm for the card with OPTi 82C928 taken
- *    from the CDSETUP.SYS driver for MSDOS,
- *    by OPTi Computers, version 2.03.
- *    Algorithm for the card with OPTi 82C929 as communicated
- *    to me by Vadim Model and Leo Spiekman.
- *
- *    Use, modifification or redistribution of this software is
- *    allowed under the terms of the GPL.
- *
- */
-
-
-#define ISP16_IN(p) (outb(isp16_ctrl,ISP16_CTRL_PORT), inb(p))
-#define ISP16_OUT(p,b) (outb(isp16_ctrl,ISP16_CTRL_PORT), outb(b,p))
-
-static short
-isp16_detect(void)
-{
-
-  if ( !( isp16_c929__detect() < 0 ) )
-    return(2);
-  else
-    return( isp16_c928__detect() );
-}
-
-static short
-isp16_c928__detect(void)
-{
-  u_char ctrl;
-  u_char enable_cdrom;
-  u_char io;
-  short i = -1;
-
-  isp16_ctrl = ISP16_C928__CTRL;
-  isp16_enable_port = ISP16_C928__ENABLE_PORT;
-
-  /* read' and write' are a special read and write, respectively */
-
-  /* read' ISP16_CTRL_PORT, clear last two bits and write' back the result */
-  ctrl = ISP16_IN( ISP16_CTRL_PORT ) & 0xFC;
-  ISP16_OUT( ISP16_CTRL_PORT, ctrl );
-
-  /* read' 3,4 and 5-bit from the cdrom enable port */
-  enable_cdrom = ISP16_IN( ISP16_C928__ENABLE_PORT ) & 0x38;
-
-  if ( !(enable_cdrom & 0x20) ) {  /* 5-bit not set */
-    /* read' last 2 bits of ISP16_IO_SET_PORT */
-    io = ISP16_IN( ISP16_IO_SET_PORT ) & 0x03;
-    if ( ((io&0x01)<<1) == (io&0x02) ) {  /* bits are the same */
-      if ( io == 0 ) {  /* ...the same and 0 */
-        i = 0;
-        enable_cdrom |= 0x20;
-      }
-      else {  /* ...the same and 1 */  /* my card, first time 'round */
-        i = 1;
-        enable_cdrom |= 0x28;
-      }
-      ISP16_OUT( ISP16_C928__ENABLE_PORT, enable_cdrom );
-    }
-    else {  /* bits are not the same */
-      ISP16_OUT( ISP16_CTRL_PORT, ctrl );
-      return(i); /* -> not detected: possibly incorrect conclusion */
-    }
-  }
-  else if ( enable_cdrom == 0x20 )
-    i = 0;
-  else if ( enable_cdrom == 0x28 )  /* my card, already initialised */
-    i = 1;
-
-  ISP16_OUT( ISP16_CTRL_PORT, ctrl );
-
-  return(i);
-}
-
-static short
-isp16_c929__detect(void)
-{
-  u_char ctrl;
-  u_char tmp;
-
-  isp16_ctrl = ISP16_C929__CTRL;
-  isp16_enable_port = ISP16_C929__ENABLE_PORT;
-
-  /* read' and write' are a special read and write, respectively */
-
-  /* read' ISP16_CTRL_PORT and save */
-  ctrl = ISP16_IN( ISP16_CTRL_PORT );
-
-  /* write' zero to the ctrl port and get response */
-  ISP16_OUT( ISP16_CTRL_PORT, 0 );
-  tmp = ISP16_IN( ISP16_CTRL_PORT );
-
-  if ( tmp != 2 )  /* isp16 with 82C929 not detected */
-    return(-1);
-
-  /* restore ctrl port value */
-  ISP16_OUT( ISP16_CTRL_PORT, ctrl );
-  
-  return(2);
-}
-
-static short
-isp16_cdi_config( int base, u_char drive_type, int irq, int dma )
-{
-  u_char base_code;
-  u_char irq_code;
-  u_char dma_code;
-  u_char i;
-
-  if ( (drive_type == ISP16_MITSUMI) && (dma != 0) )
-    printk( "Mitsumi cdrom drive has no dma support.\n" );
-
-  switch (base) {
-  case 0x340: base_code = ISP16_BASE_340; break;
-  case 0x330: base_code = ISP16_BASE_330; break;
-  case 0x360: base_code = ISP16_BASE_360; break;
-  case 0x320: base_code = ISP16_BASE_320; break;
-  default:
-    printk( "Base address 0x%03X not supported by cdrom interface on ISP16.\n", base );
-    return(-1);
-  }
-  switch (irq) {
-  case 0: irq_code = ISP16_IRQ_X; break; /* disable irq */
-  case 5: irq_code = ISP16_IRQ_5;
-          printk( "Irq 5 shouldn't be used by cdrom interface on ISP16,"
-            " due to possible conflicts with the soundcard.\n");
-          break;
-  case 7: irq_code = ISP16_IRQ_7;
-          printk( "Irq 7 shouldn't be used by cdrom interface on ISP16,"
-            " due to possible conflicts with the soundcard.\n");
-          break;
-  case 3: irq_code = ISP16_IRQ_3; break;
-  case 9: irq_code = ISP16_IRQ_9; break;
-  case 10: irq_code = ISP16_IRQ_10; break;
-  case 11: irq_code = ISP16_IRQ_11; break;
-  default:
-    printk( "Irq %d not supported by cdrom interface on ISP16.\n", irq );
-    return(-1);
-  }
-  switch (dma) {
-  case 0: dma_code = ISP16_DMA_X; break;  /* disable dma */
-  case 1: printk( "Dma 1 cannot be used by cdrom interface on ISP16,"
-            " due to conflict with the soundcard.\n");
-          return(-1); break;
-  case 3: dma_code = ISP16_DMA_3; break;
-  case 5: dma_code = ISP16_DMA_5; break;
-  case 6: dma_code = ISP16_DMA_6; break;
-  case 7: dma_code = ISP16_DMA_7; break;
-  default:
-    printk( "Dma %d not supported by cdrom interface on ISP16.\n", dma );
-    return(-1);
-  }
-
-  if ( drive_type != ISP16_SONY && drive_type != ISP16_PANASONIC0 &&
-    drive_type != ISP16_PANASONIC1 && drive_type != ISP16_SANYO0 &&
-    drive_type != ISP16_SANYO1 && drive_type != ISP16_MITSUMI &&
-    drive_type != ISP16_DRIVE_X ) {
-    printk( "Drive type (code 0x%02X) not supported by cdrom"
-     " interface on ISP16.\n", drive_type );
-    return(-1);
-  }
-
-  /* set type of interface */
-  i = ISP16_IN(ISP16_DRIVE_SET_PORT) & ISP16_DRIVE_SET_MASK;  /* clear some bits */
-  ISP16_OUT( ISP16_DRIVE_SET_PORT, i|drive_type );
-
-  /* enable cdrom on interface with 82C929 chip */
-  if ( isp16_type > 1 )
-    ISP16_OUT( isp16_enable_port, ISP16_ENABLE_CDROM );
-
-  /* set base address, irq and dma */
-  i = ISP16_IN(ISP16_IO_SET_PORT) & ISP16_IO_SET_MASK;  /* keep some bits */
-  ISP16_OUT( ISP16_IO_SET_PORT, i|base_code|irq_code|dma_code );
-
-  return(0);
-}
-
-static void isp16_sound_config( void )
-{
-  int i;
-  u_char saved;
-
-  saved = ISP16_IN( 0xF8D ) & 0x8F;
-    
-  ISP16_OUT( 0xF8D, 0x40 );
-
-  /*
-   * Now we should wait for a while...
-   */
-  for( i = 16*1024; i--; );
-  
-  ISP16_OUT( 0xF8D, saved );
-
-  ISP16_OUT( 0xF91, 0x1B );
-
-  for( i = 5*64*1024; i != 0; i-- )
-    if( !( inb( 0x534 ) & 0x80 ) ) break;
-
-  if( i > 0 ) {
-    saved = ( inb( 0x534 ) & 0xE0 ) | 0x0A;
-    outb( saved, 0x534 );
-
-    special_mask = ( inb( 0x535 ) >> 4 ) & 0x08;
-
-    saved = ( inb( 0x534 ) & 0xE0 ) | 0x0C;
-    outb( saved, 0x534 );
-
-    switch( inb( 0x535 ) ) {
-      case 0x09:
-      case 0x0A:
-        special_mask |= 0x05;
-        break;
-      case 0x8A:
-        special_mask = 0x0F;
-        break;
-      default:
-        i = 0;
-    }
-  }
-  if ( i == 0 ) {
-    printk( "Strange MediaMagic, but\n" );
-  }
-  else {
-    printk( "Conf:" );
-    saved = inb( 0x534 ) & 0xE0;
-    for( i = 0; i < 16; i++ ) {
-      outb( 0x20 | ( u_char )i, 0x534 );
-      outb( defaults[i], 0x535 );
-    }
-    for ( i = 0; i < 16; i++ ) {
-      outb( 0x20 | ( u_char )i, 0x534 );
-      saved = inb( 0x535 );
-      printk( " %02X", saved );
-    }
-    printk( "\n" );
-  }
-
-  ISP16_OUT( 0xF91, 0xA0 | special_mask );
-
-  /*
-   * The following have no explaination yet.
-   */
-  ISP16_OUT( 0xF90, 0xA2 );
-  ISP16_OUT( 0xF92, 0x03 );
-
-  /*
-   * Turn general sound on and set total volume.
-   */
-  ISP16_OUT( 0xF93, 0x0A );
-
-/*
-  outb( 0x04, 0x224 );
-  saved = inb( 0x225 );
-  outb( 0x04, 0x224 );
-  outb( saved, 0x225 );
-*/
-
-}