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/*
* Purpose: PCI wrapper routines for Linux
*
* This source file contains probe and remove routines for PCI devices.
* This code will be compiled in the target system.
*/
/*
* Copyright (C) 4Front Technologies 2005-2007. Released under GPL2 license.
*/
typedef struct
{
struct pci_dev *pcidev;
oss_device_t *osdev;
} dev_map_t;
#define MAX_INSTANCE 10
static dev_map_t dev_map[MAX_INSTANCE];
static int n_devmap = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)
static int __devinit
#else
static int
#endif
osspci_probe (struct pci_dev *pcidev, const struct pci_device_id *pciid)
{
oss_device_t *osdev;
dev_info_t *dip;
int err;
if (n_devmap >= MAX_INSTANCE)
{
printk (KERN_ALERT "oss: Too many instances of " DRIVER_NICK);
return -ENOMEM;
}
if ((dip = oss_create_pcidip (pcidev)) == NULL)
return -ENOMEM;
if ((osdev =
osdev_create (dip, DRIVER_TYPE, instance++, DRIVER_NICK,
NULL)) == NULL)
{
return -ENOMEM;
}
osdev_set_owner (osdev, THIS_MODULE);
if (module_major == 0)
module_major = oss_request_major (osdev, 0, DRIVER_NICK);
if (module_major <= 0)
{
printk (KERN_ALERT "Failed to allocate major device for " DRIVER_NICK);
return -EIO;
}
osdev_set_major (osdev, module_major);
err = pci_enable_device (pcidev);
if (err) {
dev_err(&pcidev->dev, "can't enable device.\n");
return err;
}
if (!DRIVER_ATTACH (osdev))
{
pci_disable_device (pcidev);
return -EIO;
}
dev_map[n_devmap].pcidev = pcidev;
dev_map[n_devmap++].osdev = osdev;
oss_audio_delayed_attach ();
return 0;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)
static int __devexit
#elif LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
static int
#else
void
#endif
osspci_remove (struct pci_dev *pcidev)
{
int i;
oss_device_t *osdev;
for (i = 0; i < n_devmap; i++)
if (dev_map[i].pcidev == pcidev)
{
osdev = dev_map[i].osdev;
if (!DRIVER_DETACH (osdev))
printk (KERN_ALERT DRIVER_NICK ": Unloading busy device\n");
pci_disable_device (dev_map[i].pcidev);
osdev_delete (osdev);
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
return 0;
#else
return;
#endif
}
printk (KERN_ALERT DRIVER_NICK ": Can't find the PCI device to detach\n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
return -EIO;
#else
return;
#endif
}
void
oss_pcie_init (oss_device_t * osdev, int flags)
{
/* TODO: Do we need to do something here? */
}
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