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fix 2.6.24 device creation (and hopefully later kernels)

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ChaCha
2026-03-24 20:36:39 +01:00
parent 2ec5dc2709
commit 8d7d0b0ab9
1 changed files with 67 additions and 54 deletions
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121
Device3Dfx/3dfx_driver.c
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@@ -71,30 +71,33 @@
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/pci.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,46) && \
LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,17) || \
defined(DEVFS_SUPPORT)
#include <linux/devfs_fs_kernel.h>
#define HAVE_DEVFS 1
#include <linux/devfs_fs_kernel.h>
#define HAVE_DEVFS 1
#else
#define HAVE_DEVFS 0
#define HAVE_DEVFS 0
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
#include <linux/device.h>
#include <linux/err.h>
#define HAVE_CLASS_DEVICE 1
#include <linux/device.h>
#include <linux/err.h>
#define HAVE_CLASS_DEVICE 1
#else
#define HAVE_CLASS_DEVICE 0
#define HAVE_CLASS_DEVICE 0
#endif
#include <asm/segment.h>
#include <asm/ioctl.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#include <asm/mtrr.h>
#endif
#define MAJOR_3DFX 107
@@ -119,44 +122,44 @@
#define SC_DATA 0x3c5
#ifndef PCI_VENDOR_ID_3DFX
#define PCI_VENDOR_ID_3DFX 0x121a
#define PCI_VENDOR_ID_3DFX 0x121a
#endif
#ifndef PCI_VENDOR_ID_ALLIANCE
#define PCI_VENDOR_ID_ALLIANCE 0x1142
#define PCI_VENDOR_ID_ALLIANCE 0x1142
#endif
#ifndef PCI_VENDOR_ID_MACRONIX
#define PCI_VENDOR_ID_MACRONIX 0x10d9
#define PCI_VENDOR_ID_MACRONIX 0x10d9
#endif
#ifndef PCI_DEVICE_ID_3DFX_VOODOO2
#define PCI_DEVICE_ID_3DFX_VOODOO2 2
#define PCI_DEVICE_ID_3DFX_VOODOO2 2
#endif
#ifndef PCI_DEVICE_ID_ALLIANCE_AT3D
#define PCI_DEVICE_ID_ALLIANCE_AT3D 0x643d
#define PCI_DEVICE_ID_ALLIANCE_AT3D 0x643d
#endif
#ifndef PCI_DEVICE_ID_MACRONIX_MX86251
#define PCI_DEVICE_ID_MACRONIX_MX86251 0x8626
#define PCI_DEVICE_ID_MACRONIX_MX86251 0x8626
#endif
#ifndef PCI_DEVICE_ID_3DFX_BANSHEE
#define PCI_DEVICE_ID_3DFX_BANSHEE 3
#define PCI_DEVICE_ID_3DFX_BANSHEE 3
#endif
#ifndef PCI_DEVICE_ID_3DFX_VOODOO3
#define PCI_DEVICE_ID_3DFX_VOODOO3 5
#define PCI_DEVICE_ID_3DFX_VOODOO3 5
#endif
#ifndef PCI_DEVICE_ID_3DFX_VOODOO4
#define PCI_DEVICE_ID_3DFX_VOODOO4 9
#define PCI_DEVICE_ID_3DFX_VOODOO4 9
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,73)
#define pci_get_device pci_find_device
#define pci_dev_put(dev)
#define pci_get_device pci_find_device
#define pci_dev_put(dev)
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
@@ -205,22 +208,22 @@ static struct pci_card {
* on kernel version.
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,14)
#define VM_OFFSET(vma) (vma->vm_offset)
#define VM_OFFSET_ALIGNED(vma) ((vma->vm_offset) & ~PAGE_MASK)
#define VM_OFFSET(vma) (vma->vm_offset)
#define VM_OFFSET_ALIGNED(vma) ((vma->vm_offset) & ~PAGE_MASK)
#else
#define VM_OFFSET(vma) (vma->vm_pgoff << PAGE_SHIFT)
#define VM_OFFSET_ALIGNED(vma) ((vma->vm_pgoff) & ~PAGE_MASK)
#define VM_OFFSET(vma) (vma->vm_pgoff << PAGE_SHIFT)
#define VM_OFFSET_ALIGNED(vma) ((vma->vm_pgoff) & ~PAGE_MASK)
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10)
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_pfn_range(vma, start, ofs >> PAGE_SHIFT, len, prot)
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_pfn_range(vma, start, ofs >> PAGE_SHIFT, len, prot)
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_page_range(vma, start, ofs, len, prot)
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_page_range(vma, start, ofs, len, prot)
#else
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_page_range(start, ofs, len, prot)
#define my_remap_page_range(vma, start, ofs, len, prot) \
remap_page_range(start, ofs, len, prot)
#endif
struct pioData_t {
@@ -313,7 +316,8 @@ static struct pci_driver driver_3dfx;
static int findCards(void)
{
int error;
numCards = 0;
error = pci_register_driver(&driver_3dfx);
if (error)
@@ -810,6 +814,11 @@ static struct file_operations fops_3dfx = {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int probe_3dfx(struct pci_dev *dev, const struct pci_device_id *id)
{
if (numCards >= MAXCARDS) {
printk("3dfx: too many cards, MAXCARDS=%d\n", MAXCARDS);
return -ENODEV;
}
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &cards[numCards].addr0);
pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &cards[numCards].addr1);
pci_read_config_dword(dev, PCI_BASE_ADDRESS_2, &cards[numCards].addr2);
@@ -854,10 +863,16 @@ static int create_device_3dfx(void)
printk("3dfx: class_create() failed, returned %d\n", ret);
return ret;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
device_3dfx = device_create(class_3dfx, NULL,
MKDEV(MAJOR_3DFX, DEVICE_VOODOO),
NULL, "3dfx");
#else
device_3dfx = device_create(class_3dfx, NULL,
MKDEV(MAJOR_3DFX, DEVICE_VOODOO),
"3dfx");
#endif
if (IS_ERR(device_3dfx)) {
int ret = PTR_ERR(device_3dfx);
device_3dfx = NULL;
@@ -888,9 +903,18 @@ int init_module(void)
int ret;
DEBUGMSG(("3dfx: Entering init_module()\n"));
ret = findCards();
if (ret < 0) {
printk("3dfx: findCards() failed, returned %d\n", ret);
return -ENODEV;
}
if ((ret = register_chrdev(MAJOR_3DFX, "3dfx", &fops_3dfx)) < 0) {
printk("3dfx: Unable to register character device with major %d\n", MAJOR_3DFX);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
pci_unregister_driver(&driver_3dfx);
#endif
return ret;
}
@@ -910,29 +934,17 @@ int init_module(void)
ret = create_device_3dfx();
if (ret < 0) {
unregister_chrdev(MAJOR_3DFX, "3dfx");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
pci_unregister_driver(&driver_3dfx);
#endif
return ret;
}
#endif
DEBUGMSG(("3dfx: Successfully registered device 3dfx\n"));
ret = findCards();
if (ret < 0) {
printk("3dfx: findCards() failed, returned %d\n", ret);
#if HAVE_CLASS_DEVICE
destroy_device_3dfx();
#endif
unregister_chrdev(MAJOR_3DFX, "3dfx");
return ret;
}
#ifdef CONFIG_MTRR
ret = setmtrr_3dfx();
if (ret < 0) {
DEBUGMSG(("setmtrr_3dfx() failed, returned %d\n", ret));
/*
unregister_chrdev(MAJOR_3DFX, "3dfx");
return ret;
*/
}
#endif
@@ -968,16 +980,17 @@ long init_3dfx(long mem_start, long mem_end)
{
int ret;
if (register_chrdev(MAJOR_3DFX, "3dfx", &fops_3dfx)) {
DEBUGMSG(("3dfx: Unable to register_chrdev with major %d\n", MAJOR_3DFX));
return 0;
}
ret = findCards();
if (ret < 0) {
printk("3dfx: findCards() failed, returned %d\n", ret);
return 0;
return -ENODEV;
}
if (ret=register_chrdev(MAJOR_3DFX, "3dfx", &fops_3dfx)) {
DEBUGMSG(("3dfx: Unable to register_chrdev with major %d\n", MAJOR_3DFX));
return ret;
}
return mem_start;
}
@@ -988,7 +1001,7 @@ MODULE_AUTHOR("Daryll Strauss et al.");
MODULE_DESCRIPTION("3dfx glide kernel device driver");
MODULE_LICENSE("GPL");
#ifdef MODULE_VERSION
MODULE_VERSION("2011.05.27");
MODULE_VERSION("2026.03.24");
#endif
#endif