patch-2.2.16 linux/drivers/sound/via82cxxx.c

• Lines: 267
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.2.15/linux/drivers/sound/via82cxxx.c
• Orig date: Tue Oct 26 17:53:41 1999

diff -urN v2.2.15/linux/drivers/sound/via82cxxx.c linux/drivers/sound/via82cxxx.c
@@ -1,266 +0,0 @@
-/*
- * Support for VIA 82Cxxx Audio Codecs
- * Copyright 1999 Jeff Garzik <jgarzik@pobox.com>
- *
- * Distributed under the GNU GENERAL PUBLIC LICENSE (GPL) Version 2.
- * See the "COPYING" file distributed with this software for more info.
- *
- ********************************************************************
- *
- * TODO:
- *
- *	- Integrate AC'97 support, when AC'97 interface released
- *
- */
- 
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-
-#include "sound_config.h"
-#include "soundmodule.h"
-#include "sb.h"
-
-#ifndef SOUND_LOCK
-#define SOUND_LOCK do {} while (0)
-#define SOUND_LOCK_END do {} while (0)
-#endif
-
-#define MAX_CARDS	2
-
-#define PFX		"via82cxxx: "
-
-#define VIA_VERSION	"1.0.0"
-#define VIA_CARD_NAME	"VIA 82Cxxx Audio driver " VIA_VERSION
-
-#define VIA_FUNC_ENABLE		0x42
-#define VIA_PNP_CONTROL		0x43
-
-#define VIA_CR42_SB_ENABLE	0x01
-#define VIA_CR42_MIDI_ENABLE	0x02
-#define VIA_CR42_FM_ENABLE	0x04
-
-#define via_probe_midi probe_uart401
-#define via_attach_midi attach_uart401
-#define via_unload_midi unload_uart401
-
-static struct address_info	sb_data[MAX_CARDS];
-static struct address_info	opl3_data[MAX_CARDS];
-static unsigned			cards = 0;
-
-
-static void __init via_attach_sb(struct address_info *hw_config)
-{
-	if(!sb_dsp_init(hw_config))
-		hw_config->slots[0] = -1;
-}
-
-
-static int __init via_probe_sb(struct address_info *hw_config)
-{
-	if (check_region(hw_config->io_base, 16))
-	{
-		printk(KERN_DEBUG PFX "SBPro port 0x%x is already in use\n",
-		       hw_config->io_base);
-		return 0;
-	}
-	return sb_dsp_detect(hw_config, 0, 0);
-}
-
-
-static void via_unload_sb(struct address_info *hw_config, int unload_mpu)
-{
-	if(hw_config->slots[0]!=-1)
-		sb_dsp_unload(hw_config, unload_mpu);
-}
-
-
-static int __init via82cxxx_install (struct pci_dev *pcidev)
-{
-	int sb_io_base = 0;
-	int sb_irq = 0;
-	int sb_dma = 0;
-	int midi_base = 0;
-	u8 tmp8;
-	
-	memset (&sb_data[cards], 0, sizeof (struct address_info));
-	memset (&opl3_data[cards], 0, sizeof (struct address_info));
-
-	sb_data[cards].name = opl3_data[cards].name = VIA_CARD_NAME;
-	opl3_data[cards].irq = -1;
-
-	/* turn on features, if not already */
-	pci_read_config_byte (pcidev, VIA_FUNC_ENABLE, &tmp8);
-	tmp8 |= VIA_CR42_SB_ENABLE | VIA_CR42_MIDI_ENABLE |
-		VIA_CR42_FM_ENABLE;
-	pci_write_config_byte (pcidev, VIA_FUNC_ENABLE, tmp8);
-
-	/* read legacy PNP info byte */
-	pci_read_config_byte (pcidev, VIA_PNP_CONTROL, &tmp8);
-	pci_write_config_byte (pcidev, VIA_PNP_CONTROL, tmp8);
-	
-	switch ((tmp8 >> 6) & 0x03) {
-		case 0: sb_irq = 5; break;
-		case 1: sb_irq = 7; break;
-		case 2: sb_irq = 9; break;
-		case 3: sb_irq = 10; break;
-		default: /* do nothing */ break;
-	}
-	switch ((tmp8 >> 4) & 0x03) {
-		case 0: sb_dma = 0; break;
-		case 1: sb_dma = 1; break;
-		case 2: sb_dma = 2; break;
-		case 3: sb_dma = 3; break;
-		default: /* do nothing */ break;
-	}
-	switch ((tmp8 >> 2) & 0x03) {
-		case 0: midi_base = 0x300; break;
-		case 1: midi_base = 0x310; break;
-		case 2: midi_base = 0x320; break;
-		case 3: midi_base = 0x330; break;
-		default: /* do nothing */ break;
-	}
-	switch (tmp8 & 0x03) {
-		case 0: sb_io_base = 0x220; break;
-		case 1: sb_io_base = 0x240; break;
-		case 2: sb_io_base = 0x260; break;
-		case 3: sb_io_base = 0x280; break;
-		default: /* do nothing */ break;
-	}
-
-	udelay(100);
-	
-	printk(KERN_INFO PFX "legacy "
-	       "MIDI: 0x%X, SB: 0x%X / %d IRQ / %d DMA\n",
-		midi_base, sb_io_base, sb_irq, sb_dma);
-		
-	sb_data[cards].card_subtype = MDL_SBPRO;
-	sb_data[cards].io_base = sb_io_base;
-	sb_data[cards].irq = sb_irq;
-	sb_data[cards].dma = sb_dma;
-	
-	opl3_data[cards].io_base = midi_base;
-	
-	/* register legacy SoundBlaster Pro */
-	if (!via_probe_sb (&sb_data[cards])) {
-		printk (KERN_ERR PFX
-			"SB probe @ 0x%X failed, aborting\n",
-			sb_io_base);
-		return -1;
-	}
-	via_attach_sb (&sb_data[cards]);
-
-	/* register legacy MIDI */
-	if (!via_probe_midi (&opl3_data[cards])) {
-		printk (KERN_ERR PFX
-			"MIDI probe @ 0x%X failed, aborting\n",
-			midi_base);
-		via_unload_sb (&sb_data[cards], 0);
-		return -1;
-	}
-	via_attach_midi (&opl3_data[cards]);
-
-	cards++;	
-	return 0;
-}
-
-
-/*
- * 	This loop walks the PCI configuration database and finds where
- *	the sound cards are.
- */
- 
-static int __init probe_via82cxxx (void)
-{
-	struct pci_dev *pcidev = NULL;
-
-	while ((pcidev = pci_find_device (PCI_VENDOR_ID_VIA,
-					  PCI_DEVICE_ID_VIA_82C686_5,
-					  pcidev)) != NULL) {
-
-		  if (via82cxxx_install (pcidev) != 0) {
-			  printk (KERN_ERR PFX "audio init failed\n");
-			  return -1;
-		  }
-
-		  if (cards == MAX_CARDS) {
-		  	  printk (KERN_DEBUG PFX "maximum number of cards reached\n");
-			  break;
-		  }
-	}
-
-	return 0;
-}
-
-
-/*
- *	This function is called when the user or kernel loads the 
- *	module into memory.
- */
-
-
-static int __init init_via82cxxx_module(void)
-{
-	if (!pci_present ()) {
-		printk (KERN_DEBUG PFX "PCI not present, exiting\n");
-		return -ENODEV;
-	}
-
-	if (probe_via82cxxx() != 0) {
-		printk(KERN_ERR PFX "probe failed, aborting\n");
-		/* XXX unload cards registered so far, if any */
-		return -ENODEV;
-	}
-
-	if (cards == 0) {
-		printk(KERN_DEBUG PFX "No chips found, aborting\n");
-		return -ENODEV;
-	}
-
-	printk (KERN_INFO PFX VIA_CARD_NAME " loaded\n");
-	
-	/*
-	 *	Binds us to the sound subsystem	
-	 */
-	SOUND_LOCK;
-	return 0;
-}
-
-/*
- *	This is called when it is removed. It will only be removed 
- *	when its use count is 0. For sound the SOUND_LOCK/SOUND_UNLOCK
- *	macros hide the entire work for this.
- */
- 
-static void cleanup_via82cxxx_module(void)
-{
-	int i;
-	
-	for (i = 0; i < cards; i++)
-		via_unload_sb (&sb_data[i], 1);
-
-	/*
-	 *	Final clean up with the sound layer
-	 */
-	SOUND_LOCK_END;
-}
-
-#ifdef MODULE
-
-int init_module(void)
-{
-	return init_via82cxxx_module();
-}
-
-void cleanup_module(void)
-{
-	cleanup_via82cxxx_module();
-}
-
-#endif