patch-2.1.67 linux/drivers/sound/sb_card.c

• Lines: 163
• Date: Sat Nov 29 10:33:21 1997
• Orig file: v2.1.66/linux/drivers/sound/sb_card.c
• Orig date: Wed Nov 12 13:34:27 1997

diff -u --recursive --new-file v2.1.66/linux/drivers/sound/sb_card.c linux/drivers/sound/sb_card.c
@@ -11,39 +11,150 @@
  * for more info.
  */
 #include <linux/config.h>
+#include <linux/module.h>
 
 
 #include "sound_config.h"
+#include "soundmodule.h"
 
-#ifdef CONFIG_SBDSP
+#if defined(CONFIG_SBDSP) || defined (MODULE)
 
 #include "sb_mixer.h"
 #include "sb.h"
 
 void
-attach_sb_card (struct address_info *hw_config)
+attach_sb_card(struct address_info *hw_config)
 {
 #if defined(CONFIG_AUDIO) || defined(CONFIG_MIDI)
-  sb_dsp_init (hw_config);
+	sb_dsp_init(hw_config);
 #endif
 }
 
 int
-probe_sb (struct address_info *hw_config)
+probe_sb(struct address_info *hw_config)
 {
-  if (check_region (hw_config->io_base, 16))
-    {
-      printk ("\n\nsb_dsp.c: I/O port %x already in use\n\n", hw_config->io_base);
-      return 0;
-    }
+	if (check_region(hw_config->io_base, 16))
+	  {
+		  printk("\n\nsb_dsp.c: I/O port %x already in use\n\n", hw_config->io_base);
+		  return 0;
+	  }
+	return sb_dsp_detect(hw_config);
+}
+
+void
+unload_sb(struct address_info *hw_config)
+{
+	sb_dsp_unload(hw_config);
+}
+
+#ifdef MODULE
+
+static struct address_info config;
+static struct address_info config_mpu;
+
+/*
+ *    Note DMA2 of -1 has the right meaning in the SB16 driver as well
+ *      as here. It will cause either an error if it is needed or a fallback
+ *      to the 8bit channel.
+ */
+
+int             mpu_io = 0;
+int             io = -1;
+int             irq = -1;
+int             dma = -1;
+int             dma16 = -1;	/* Set this for modules that need it */
+int             type = 0;	/* Can set this to a specific card type */
+int             mad16 = 0;	/* Set mad16=1 to load this as support for mad16 */
+int             trix = 0;	/* Set trix=1 to load this as support for trix */
+int             pas2 = 0;	/* Set pas2=1 to load this as support for pas2 */
+int             sm_games = 0;	/* Mixer - see sb_mixer.c */
+int             acer = 0;	/* Do acer notebook init */
+
+MODULE_PARM(io, "i");
+MODULE_PARM(irq, "i");
+MODULE_PARM(dma, "i");
+MODULE_PARM(dma16, "i");
+MODULE_PARM(mpu_io, "i");
+MODULE_PARM(type, "i");
+MODULE_PARM(mad16, "i");
+MODULE_PARM(trix, "i");
+MODULE_PARM(pas2, "i");
+MODULE_PARM(sm_games, "i");
+
+static int      sbmpu = 0;
+
+void           *smw_free = NULL;
+
+int
+init_module(void)
+{
+	printk("Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996\n");
 
-  return sb_dsp_detect (hw_config);
+	if (mad16 == 0 && trix == 0 && pas2 == 0)
+	  {
+		  if (io == -1 || dma == -1 || irq == -1)
+		    {
+			    printk("I/O, IRQ, DMA and type are mandatory\n");
+			    return -EINVAL;
+		    }
+		  config.io_base = io;
+		  config.irq = irq;
+		  config.dma = dma;
+		  config.dma2 = dma16;
+		  config.card_subtype = type;
+
+		  if (!probe_sb(&config))
+			  return -ENODEV;
+		  attach_sb_card(&config);
+#ifdef CONFIG_MIDI
+		  config_mpu.io_base = mpu_io;
+		  if (mpu_io && probe_sbmpu(&config_mpu))
+			  sbmpu = 1;
+#endif
+#ifdef CONFIG_MIDI
+		  if (sbmpu)
+			  attach_sbmpu(&config_mpu);
+#endif
+	  }
+	SOUND_LOCK;
+	return 0;
 }
 
 void
-unload_sb (struct address_info *hw_config)
+cleanup_module(void)
 {
-  sb_dsp_unload (hw_config);
+	if (smw_free)
+		kfree(smw_free);
+	if (!mad16 && !trix && !pas2)
+		unload_sb(&config);
+	if (sbmpu)
+		unload_sbmpu(&config_mpu);
+	SOUND_LOCK_END;
 }
 
+#else
+
+#ifdef SM_GAMES
+int             sm_games = 1;
+
+#else
+int             sm_games = 0;
+
 #endif
+#ifdef SB_ACER
+int             acer = 1;
+
+#else
+int             acer = 0;
+
+#endif
+#endif
+#endif
+
+EXPORT_SYMBOL(sb_dsp_init);
+EXPORT_SYMBOL(sb_dsp_detect);
+EXPORT_SYMBOL(sb_dsp_unload);
+EXPORT_SYMBOL(sb_dsp_disable_midi);
+EXPORT_SYMBOL(attach_sb_card);
+EXPORT_SYMBOL(probe_sb);
+EXPORT_SYMBOL(unload_sb);