[PATCH] patch] remove sound/oss/skeleton.c

/*

 *	PCI sound skeleton example

 *

 *	(c) 1998 Red Hat Software

 *

 *	This software may be used and distributed according to the 

 *	terms of the GNU General Public License, incorporated herein by 

 *	reference.

 *

 *	This example is designed to be built in the linux/drivers/sound

 *	directory as part of a kernel build. The example is modular only

 *	drop me a note once you have a working modular driver and want

 *	to integrate it with the main code.

 *		-- Alan <alan@redhat.com>

 *

 *	This is a first draft. Please report any errors, corrections or

 *	improvements to me.

 */

#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 <asm/io.h>

#include "sound_config.h"

/*

 *	Define our PCI vendor ID here

 */

#ifndef PCI_VENDOR_MYIDENT

#define PCI_VENDOR_MYIDENT			0x125D

/*

 *	PCI identity for the card.

 */

#define PCI_DEVICE_ID_MYIDENT_MYCARD1		0x1969

#endif

#define CARD_NAME	"ExampleWave 3D Pro Ultra ThingyWotsit"

#define MAX_CARDS	8

/*

 *	Each address_info object holds the information about one of

 *	our card resources. In this case the MSS emulation of our

 *	ficticious card. Its used to manage and attach things.

 */

static struct address_info	mss_data[MAX_CARDS];

static int 			cards;

/*

 *	Install the actual card. This is an example

 */

static int mycard_install(struct pci_dev *pcidev)

{

	int iobase;

	int mssbase;

	int mpubase;

	u8 x;

	u16 w;

	u32 v;

	int i;

	int dma;

	/*

	 *	Our imaginary code has its I/O on PCI address 0, a

	 *	MSS on PCI address 1 and an MPU on address 2

	 *

	 *	For the example we will only initialise the MSS

	 */

	iobase = pci_resource_start(pcidev, 0);

	mssbase = pci_resource_start(pcidev, 1);

	mpubase = pci_resource_start(pcidev, 2);

	/*

	 *	Reset the board

	 */

	/*

	 *	Wait for completion. udelay() waits in microseconds

	 */

	udelay(100);

	/*

	 *	Ok card ready. Begin setup proper. You might for example

	 *	load the firmware here

	 */

	dma = card_specific_magic(ioaddr);

	/*

	 *	Turn on legacy mode (example), There are also byte and

	 *	dword (32bit) PCI configuration function calls

	 */

	pci_read_config_word(pcidev, 0x40, &w);

	w&=~(1<<15);			/* legacy decode on */

	w|=(1<<14);			/* Reserved write as 1 in this case */

	w|=(1<<3)|(1<<1)|(1<<0);	/* SB on , FM on, MPU on */

	pci_write_config_word(pcidev, 0x40, w);

	/*

	 *	Let the user know we found his toy.

	 */

	printk(KERN_INFO "Programmed "CARD_NAME" at 0x%X to legacy mode.\n",

		iobase);

	/*

	 *	Now set it up the description of the card

	 */

	mss_data[cards].io_base = mssbase;

	mss_data[cards].irq = pcidev->irq;

	mss_data[cards].dma = dma;

	/*

	 *	Check there is an MSS present

	 */

	if(ad1848_detect(mssbase, NULL, mss_data[cards].osp)==0)

		return 0;

	/*

	 *	Initialize it

	 */

	mss_data[cards].slots[3] = ad1848_init("MyCard MSS 16bit", 

			mssbase,

			mss_data[cards].irq,

			mss_data[cards].dma,

			mss_data[cards].dma,

			0,

			0,

			THIS_MODULE);

	cards++;	

	return 1;

}

/*

 * 	This loop walks the PCI configuration database and finds where

 *	the sound cards are.

 */

int init_mycard(void)

{

	struct pci_dev *pcidev=NULL;

	int count=0;

	while((pcidev = pci_find_device(PCI_VENDOR_MYIDENT, PCI_DEVICE_ID_MYIDENT_MYCARD1, pcidev))!=NULL)

	{

		if (pci_enable_device(pcidev))

			continue;

		count+=mycard_install(pcidev);

		if(count)

			return 0;

		if(count==MAX_CARDS)

			break;

	}

	if(count==0)

		return -ENODEV;

	return 0;

}

/*

 *	This function is called when the user or kernel loads the 

 *	module into memory.

 */

int init_module(void)

{

	if(init_mycard()<0)

	{

		printk(KERN_ERR "No "CARD_NAME" cards found.\n");

		return -ENODEV;

	}

	return 0;

}

/*

 *	This is called when it is removed. It will only be removed 

 *	when its use count is 0.

 */

void cleanup_module(void)

{

	for(i=0;i< cards; i++)

	{

		/*

		 *	Free attached resources

		 */

		ad1848_unload(mss_data[i].io_base,

			      mss_data[i].irq,

			      mss_data[i].dma,

			      mss_data[i].dma,

			      0);

		/*

		 *	And disconnect the device from the kernel

		 */

		sound_unload_audiodevice(mss_data[i].slots[3]);

	}

}