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https://gitlab.freedesktop.org/mesa/drm.git
synced 2026-01-06 17:50:22 +01:00
Gut support for pre-2.6 kernels.
This commit is contained in:
Ian Romanick
parent
434657a258
commit
ec9e494eb9
1 changed files with 4 additions and 92 deletions
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@ -35,20 +35,8 @@
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#include <linux/version.h>
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#endif
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#ifndef KERNEL_VERSION /* pre-2.1.90 didn't have it */
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#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0)
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# error "This driver does not support pre-2.4 kernels!"
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#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
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#define KERNEL_2_4
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#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
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# error "This driver does not support 2.5 kernels!"
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#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 7, 0)
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#define KERNEL_2_6
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#else
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# error "This driver does not support development kernels!"
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
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# error "This driver does not support pre-2.6 kernels!"
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#endif
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#if defined (CONFIG_SMP) && !defined (__SMP__)
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@ -59,10 +47,6 @@
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#define MODVERSIONS
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#endif
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#if defined (MODVERSIONS) && !defined (KERNEL_2_6)
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#include <linux/modversions.h>
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#endif
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#include <linux/kernel.h> /* printk */
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#include <linux/module.h>
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@ -88,12 +72,10 @@
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#define XGI_SCAN_PROCESS(p) for_each_task(p)
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#endif
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#ifdef KERNEL_2_6
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#include <linux/moduleparam.h> /* module_param() */
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#include <linux/smp_lock.h> /* kernel_locked */
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#include <asm/tlbflush.h> /* flush_tlb(), flush_tlb_all() */
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#include <asm/kmap_types.h> /* page table entry lookup */
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#endif
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#include <linux/pci.h> /* pci_find_class, etc */
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#include <linux/interrupt.h> /* tasklets, interrupt helpers */
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@ -141,13 +123,8 @@
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#endif
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#ifndef MAX_ORDER
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#ifdef KERNEL_2_4
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#define MAX_ORDER 10
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#endif
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#ifdef KERNEL_2_6
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#define MAX_ORDER 11
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#endif
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#endif
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#ifndef module_init
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#define module_init(x) int init_module(void) { return x(); }
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@ -171,39 +148,20 @@ typedef void irqreturn_t;
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pos = pos->next, prefetch(pos->next))
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#endif
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#ifdef KERNEL_2_4
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#define XGI_PCI_FOR_EACH_DEV(dev) pci_for_each_dev(dev)
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#endif
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#ifdef KERNEL_2_6
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extern struct list_head pci_devices; /* list of all devices */
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#define XGI_PCI_FOR_EACH_DEV(dev) \
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for(dev = pci_dev_g(pci_devices.next); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.next))
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#endif
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/*
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* the following macro causes problems when used in the same module
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* as module_param(); undef it so we don't accidentally mix the two
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*/
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#if defined (KERNEL_2_6)
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#undef MODULE_PARM
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#endif
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#ifdef EXPORT_NO_SYMBOLS
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EXPORT_NO_SYMBOLS;
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#endif
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#if defined (KERNEL_2_4)
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#define XGI_IS_SUSER() suser()
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#define XGI_PCI_DEVICE_NAME(dev) ((dev)->name)
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#define XGI_NUM_CPUS() smp_num_cpus
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#define XGI_CLI() __cli()
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#define XGI_SAVE_FLAGS(eflags) __save_flags(eflags)
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#define XGI_RESTORE_FLAGS(eflags) __restore_flags(eflags)
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#define XGI_MAY_SLEEP() (!in_interrupt())
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#define XGI_MODULE_PARAMETER(x) MODULE_PARM(x, "i")
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#endif
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#if defined (KERNEL_2_6)
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#define XGI_IS_SUSER() capable(CAP_SYS_ADMIN)
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#define XGI_PCI_DEVICE_NAME(dev) ((dev)->pretty_name)
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#define XGI_NUM_CPUS() num_online_cpus()
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@ -212,7 +170,7 @@ EXPORT_NO_SYMBOLS;
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#define XGI_RESTORE_FLAGS(eflags) local_irq_restore(eflags)
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#define XGI_MAY_SLEEP() (!in_interrupt() && !in_atomic())
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#define XGI_MODULE_PARAMETER(x) module_param(x, int, 0)
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#endif
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/* Earlier 2.4.x kernels don't have pci_disable_device() */
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#ifdef XGI_PCI_DISABLE_DEVICE_PRESENT
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@ -255,7 +213,7 @@ EXPORT_NO_SYMBOLS;
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* model is not sufficient for full acpi support. it may work in some cases,
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* but not enough for us to officially support this configuration.
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*/
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#if defined(CONFIG_ACPI) && defined(KERNEL_2_6)
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#if defined(CONFIG_ACPI)
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#define XGI_PM_SUPPORT_ACPI
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#endif
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@ -264,7 +222,6 @@ EXPORT_NO_SYMBOLS;
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#endif
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#if defined(CONFIG_DEVFS_FS)
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#if defined(KERNEL_2_6)
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typedef void *devfs_handle_t;
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#define XGI_DEVFS_REGISTER(_name, _minor) \
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({ \
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@ -281,39 +238,10 @@ typedef void *devfs_handle_t;
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*/
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#define XGI_DEVFS_REMOVE_CONTROL() devfs_remove("xgi_ctl")
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#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi")
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#else // defined(KERNEL_2_4)
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#define XGI_DEVFS_REGISTER(_name, _minor) \
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({ \
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devfs_handle_t __handle = devfs_register(NULL, _name, DEVFS_FL_AUTO_DEVNUM, \
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XGI_DEV_MAJOR, _minor, \
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S_IFCHR | S_IRUGO | S_IWUGO, &xgi_fops, NULL); \
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__handle; \
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})
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#define XGI_DEVFS_REMOVE_DEVICE(i) \
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({ \
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if (xgi_devfs_handles[i] != NULL) \
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{ \
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devfs_unregister(xgi_devfs_handles[i]); \
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} \
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})
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#define XGI_DEVFS_REMOVE_CONTROL() \
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({ \
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if (xgi_devfs_handles[0] != NULL) \
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{ \
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devfs_unregister(xgi_devfs_handles[0]); \
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} \
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})
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#endif /* defined(KERNEL_2_4) */
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#endif /* defined(CONFIG_DEVFS_FS) */
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#if defined(CONFIG_DEVFS_FS) && !defined(KERNEL_2_6)
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#define XGI_REGISTER_CHRDEV(x...) devfs_register_chrdev(x)
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#define XGI_UNREGISTER_CHRDEV(x...) devfs_unregister_chrdev(x)
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#else
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#define XGI_REGISTER_CHRDEV(x...) register_chrdev(x)
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#define XGI_UNREGISTER_CHRDEV(x...) unregister_chrdev(x)
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#endif
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#if defined(XGI_REMAP_PFN_RANGE_PRESENT)
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#define XGI_REMAP_PAGE_RANGE(from, offset, x...) \
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@ -519,17 +447,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr)
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#define XGI_SET_PAGE_ATTRIB_CACHED(page_list)
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#endif
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#ifdef KERNEL_2_4
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#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
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#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count)
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#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count)
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#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v)
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#define XGILockPage(page) set_bit(PG_locked, &(page)->flags)
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#define XGIUnlockPage(page) clear_bit(PG_locked, &(page)->flags)
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#endif
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#ifdef KERNEL_2_6
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/* add for SUSE 9, Jill*/
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 4)
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#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
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@ -544,7 +461,6 @@ static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr)
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#endif
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#define XGILockPage(page) SetPageLocked(page)
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#define XGIUnlockPage(page) ClearPageLocked(page)
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#endif
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/*
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* hide a pointer to struct xgi_info_t in a file-private info
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@ -564,11 +480,7 @@ typedef struct {
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/* for the card devices */
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#define XGI_INFO_FROM_FP(filp) (XGI_GET_FP(filp)->info)
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#ifdef KERNEL_2_0
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#define INODE_FROM_FP(filp) ((filp)->f_inode)
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#else
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#define INODE_FROM_FP(filp) ((filp)->f_dentry->d_inode)
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#endif
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#define XGI_ATOMIC_SET(data,val) atomic_set(&(data), (val))
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#define XGI_ATOMIC_INC(data) atomic_inc(&(data))
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