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| -rw-r--r-- | sound/oss/skeleton.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/sound/oss/skeleton.c b/sound/oss/skeleton.c deleted file mode 100644 index 8fea783..0000000 --- a/sound/oss/skeleton.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * 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]); - } -} - |
