diff options
Diffstat (limited to 'linux-core/xgi_linux.h')
| -rw-r--r-- | linux-core/xgi_linux.h | 1187 |
1 files changed, 591 insertions, 596 deletions
diff --git a/linux-core/xgi_linux.h b/linux-core/xgi_linux.h index f207a4f6..67c1af82 100644 --- a/linux-core/xgi_linux.h +++ b/linux-core/xgi_linux.h @@ -1,596 +1,591 @@ -
-/****************************************************************************
- * Copyright (C) 2003-2006 by XGI Technology, Taiwan.
- * *
- * All Rights Reserved. *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- * *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR
- * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- ***************************************************************************/
-
-
-#ifndef _XGI_LINUX_H_
-#define _XGI_LINUX_H_
-
-#include <linux/config.h>
-
-#ifndef LINUX_VERSION_CODE
-#include <linux/version.h>
-#endif
-
-#ifndef KERNEL_VERSION /* pre-2.1.90 didn't have it */
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0)
-# error "This driver does not support pre-2.4 kernels!"
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
-#define KERNEL_2_4
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
-# error "This driver does not support 2.5 kernels!"
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 7, 0)
-#define KERNEL_2_6
-#else
-# error "This driver does not support development kernels!"
-#endif
-
-#if defined (CONFIG_SMP) && !defined (__SMP__)
-#define __SMP__
-#endif
-
-#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS)
-#define MODVERSIONS
-#endif
-
-#if defined (MODVERSIONS) && !defined (KERNEL_2_6)
-#include <linux/modversions.h>
-#endif
-
-#include <linux/kernel.h> /* printk */
-#include <linux/module.h>
-
-#include <linux/init.h> /* module_init, module_exit */
-#include <linux/types.h> /* pic_t, size_t, __u32, etc */
-#include <linux/errno.h> /* error codes */
-#include <linux/list.h> /* circular linked list */
-#include <linux/stddef.h> /* NULL, offsetof */
-#include <linux/wait.h> /* wait queues */
-
-#include <linux/slab.h> /* kmalloc, kfree, etc */
-#include <linux/vmalloc.h> /* vmalloc, vfree, etc */
-
-#include <linux/poll.h> /* poll_wait */
-#include <linux/delay.h> /* mdelay, udelay */
-#include <asm/msr.h> /* rdtsc rdtscl */
-
-#include <linux/sched.h> /* suser(), capable() replacement
- for_each_task, for_each_process */
-#ifdef for_each_process
-#define XGI_SCAN_PROCESS(p) for_each_process(p)
-#else
-#define XGI_SCAN_PROCESS(p) for_each_task(p)
-#endif
-
-#ifdef KERNEL_2_6
-#include <linux/moduleparam.h> /* module_param() */
-#include <linux/smp_lock.h> /* kernel_locked */
-#include <asm/tlbflush.h> /* flush_tlb(), flush_tlb_all() */
-#include <asm/kmap_types.h> /* page table entry lookup */
-#endif
-
-#include <linux/pci.h> /* pci_find_class, etc */
-#include <linux/interrupt.h> /* tasklets, interrupt helpers */
-#include <linux/timer.h>
-
-#include <asm/system.h> /* cli, sli, save_flags */
-#include <asm/io.h> /* ioremap, virt_to_phys */
-#include <asm/uaccess.h> /* access_ok */
-#include <asm/page.h> /* PAGE_OFFSET */
-#include <asm/pgtable.h> /* pte bit definitions */
-
-#include <linux/spinlock.h>
-#include <asm/semaphore.h>
-#include <linux/highmem.h>
-
-#ifdef CONFIG_PROC_FS
-#include <linux/proc_fs.h>
-#endif
-
-#ifdef CONFIG_DEVFS_FS
-#include <linux/devfs_fs_kernel.h>
-#endif
-
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
-#ifdef CONFIG_PM
-#include <linux/pm.h>
-#endif
-
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
-#ifdef CONFIG_KDB
-#include <linux/kdb.h>
-#include <asm/kdb.h>
-#endif
-
-#if defined (CONFIG_AGP) || defined (CONFIG_AGP_MODULE)
-#define AGPGART
-#include <linux/agp_backend.h>
-#include <linux/agpgart.h>
-#endif
-
-#ifndef MAX_ORDER
-#ifdef KERNEL_2_4
-#define MAX_ORDER 10
-#endif
-#ifdef KERNEL_2_6
-#define MAX_ORDER 11
-#endif
-#endif
-
-#ifndef module_init
-#define module_init(x) int init_module(void) { return x(); }
-#define module_exit(x) void cleanup_module(void) { x(); }
-#endif
-
-#ifndef minor
-#define minor(x) MINOR(x)
-#endif
-
-#ifndef IRQ_HANDLED
-typedef void irqreturn_t;
-#define IRQ_NONE
-#define IRQ_HANDLED
-#define IRQ_RETVAL(x)
-#endif
-
-#if !defined (list_for_each)
-#define list_for_each(pos, head) \
- for (pos = (head)->next, prefetch(pos->next); pos != (head); \
- pos = pos->next, prefetch(pos->next))
-#endif
-
-#ifdef KERNEL_2_4
-#define XGI_PCI_FOR_EACH_DEV(dev) pci_for_each_dev(dev)
-#endif
-#ifdef KERNEL_2_6
-extern struct list_head pci_devices; /* list of all devices */
-#define XGI_PCI_FOR_EACH_DEV(dev) \
- for(dev = pci_dev_g(pci_devices.next); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.next))
-#endif
-
-/*
- * the following macro causes problems when used in the same module
- * as module_param(); undef it so we don't accidentally mix the two
- */
-#if defined (KERNEL_2_6)
-#undef MODULE_PARM
-#endif
-
-#ifdef EXPORT_NO_SYMBOLS
-EXPORT_NO_SYMBOLS;
-#endif
-
-#if defined (KERNEL_2_4)
-#define XGI_IS_SUSER() suser()
-#define XGI_PCI_DEVICE_NAME(dev) ((dev)->name)
-#define XGI_NUM_CPUS() smp_num_cpus
-#define XGI_CLI() __cli()
-#define XGI_SAVE_FLAGS(eflags) __save_flags(eflags)
-#define XGI_RESTORE_FLAGS(eflags) __restore_flags(eflags)
-#define XGI_MAY_SLEEP() (!in_interrupt())
-#define XGI_MODULE_PARAMETER(x) MODULE_PARM(x, "i")
-#endif
-
-#if defined (KERNEL_2_6)
-#define XGI_IS_SUSER() capable(CAP_SYS_ADMIN)
-#define XGI_PCI_DEVICE_NAME(dev) ((dev)->pretty_name)
-#define XGI_NUM_CPUS() num_online_cpus()
-#define XGI_CLI() local_irq_disable()
-#define XGI_SAVE_FLAGS(eflags) local_save_flags(eflags)
-#define XGI_RESTORE_FLAGS(eflags) local_irq_restore(eflags)
-#define XGI_MAY_SLEEP() (!in_interrupt() && !in_atomic())
-#define XGI_MODULE_PARAMETER(x) module_param(x, int, 0)
-#endif
-
-/* Earlier 2.4.x kernels don't have pci_disable_device() */
-#ifdef XGI_PCI_DISABLE_DEVICE_PRESENT
-#define XGI_PCI_DISABLE_DEVICE(dev) pci_disable_device(dev)
-#else
-#define XGI_PCI_DISABLE_DEVICE(dev)
-#endif
-
-/* common defines */
-#define GET_MODULE_SYMBOL(mod,sym) (const void *) inter_module_get(sym)
-#define PUT_MODULE_SYMBOL(sym) inter_module_put((char *) sym)
-
-#define XGI_GET_PAGE_STRUCT(phys_page) virt_to_page(__va(phys_page))
-#define XGI_VMA_OFFSET(vma) (((vma)->vm_pgoff) << PAGE_SHIFT)
-#define XGI_VMA_PRIVATE(vma) ((vma)->vm_private_data)
-
-#define XGI_DEVICE_NUMBER(x) minor((x)->i_rdev)
-#define XGI_IS_CONTROL_DEVICE(x) (minor((x)->i_rdev) == 255)
-
-#define XGI_PCI_RESOURCE_START(dev, bar) ((dev)->resource[bar].start)
-#define XGI_PCI_RESOURCE_SIZE(dev, bar) ((dev)->resource[bar].end - (dev)->resource[bar].start + 1)
-
-#define XGI_PCI_BUS_NUMBER(dev) (dev)->bus->number
-#define XGI_PCI_SLOT_NUMBER(dev) PCI_SLOT((dev)->devfn)
-
-#ifdef XGI_PCI_GET_CLASS_PRESENT
-#define XGI_PCI_DEV_PUT(dev) pci_dev_put(dev)
-#define XGI_PCI_GET_DEVICE(vendor,device,from) pci_get_device(vendor,device,from)
-#define XGI_PCI_GET_SLOT(bus,devfn) pci_get_slot(pci_find_bus(0,bus),devfn)
-#define XGI_PCI_GET_CLASS(class,from) pci_get_class(class,from)
-#else
-#define XGI_PCI_DEV_PUT(dev)
-#define XGI_PCI_GET_DEVICE(vendor,device,from) pci_find_device(vendor,device,from)
-#define XGI_PCI_GET_SLOT(bus,devfn) pci_find_slot(bus,devfn)
-#define XGI_PCI_GET_CLASS(class,from) pci_find_class(class,from)
-#endif
-
-/*
- * acpi support has been back-ported to the 2.4 kernel, but the 2.4 driver
- * model is not sufficient for full acpi support. it may work in some cases,
- * but not enough for us to officially support this configuration.
- */
-#if defined(CONFIG_ACPI) && defined(KERNEL_2_6)
-#define XGI_PM_SUPPORT_ACPI
-#endif
-
-#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
-#define XGI_PM_SUPPORT_APM
-#endif
-
-
-#if defined(CONFIG_DEVFS_FS)
-#if defined(KERNEL_2_6)
-typedef void* devfs_handle_t;
-#define XGI_DEVFS_REGISTER(_name, _minor) \
- ({ \
- devfs_handle_t __handle = NULL; \
- if (devfs_mk_cdev(MKDEV(XGI_DEV_MAJOR, _minor), \
- S_IFCHR | S_IRUGO | S_IWUGO, _name) == 0) \
- { \
- __handle = (void *) 1; /* XXX Fix me! (boolean) */ \
- } \
- __handle; \
- })
-/*
-#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi%d", i)
-*/
-#define XGI_DEVFS_REMOVE_CONTROL() devfs_remove("xgi_ctl")
-#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi")
-#else // defined(KERNEL_2_4)
-#define XGI_DEVFS_REGISTER(_name, _minor) \
- ({ \
- devfs_handle_t __handle = devfs_register(NULL, _name, DEVFS_FL_AUTO_DEVNUM, \
- XGI_DEV_MAJOR, _minor, \
- S_IFCHR | S_IRUGO | S_IWUGO, &xgi_fops, NULL); \
- __handle; \
- })
-
-#define XGI_DEVFS_REMOVE_DEVICE(i) \
- ({ \
- if (xgi_devfs_handles[i] != NULL) \
- { \
- devfs_unregister(xgi_devfs_handles[i]); \
- } \
- })
-#define XGI_DEVFS_REMOVE_CONTROL() \
- ({ \
- if (xgi_devfs_handles[0] != NULL) \
- { \
- devfs_unregister(xgi_devfs_handles[0]); \
- } \
- })
-#endif /* defined(KERNEL_2_4) */
-#endif /* defined(CONFIG_DEVFS_FS) */
-
-#if defined(CONFIG_DEVFS_FS) && !defined(KERNEL_2_6)
-#define XGI_REGISTER_CHRDEV(x...) devfs_register_chrdev(x)
-#define XGI_UNREGISTER_CHRDEV(x...) devfs_unregister_chrdev(x)
-#else
-#define XGI_REGISTER_CHRDEV(x...) register_chrdev(x)
-#define XGI_UNREGISTER_CHRDEV(x...) unregister_chrdev(x)
-#endif
-
-#if defined(XGI_REMAP_PFN_RANGE_PRESENT)
-#define XGI_REMAP_PAGE_RANGE(from, offset, x...) \
- remap_pfn_range(vma, from, ((offset) >> PAGE_SHIFT), x)
-#elif defined(XGI_REMAP_PAGE_RANGE_5)
-#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(vma, x)
-#elif defined(XGI_REMAP_PAGE_RANGE_4)
-#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(x)
-#else
-#warning "xgi_configure.sh failed, assuming remap_page_range(5)!"
-#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(vma, x)
-#endif
-
-#if defined(pmd_offset_map)
-#define XGI_PMD_OFFSET(addres, pg_dir, pg_mid_dir) \
- { \
- pg_mid_dir = pmd_offset_map(pg_dir, address); \
- }
-#define XGI_PMD_UNMAP(pg_mid_dir) \
- { \
- pmd_unmap(pg_mid_dir); \
- }
-#else
-#define XGI_PMD_OFFSET(addres, pg_dir, pg_mid_dir) \
- { \
- pg_mid_dir = pmd_offset(pg_dir, address); \
- }
-#define XGI_PMD_UNMAP(pg_mid_dir)
-#endif
-
-#define XGI_PMD_PRESENT(pg_mid_dir) \
- ({ \
- if ((pg_mid_dir) && (pmd_none(*pg_mid_dir))) \
- { \
- XGI_PMD_UNMAP(pg_mid_dir); \
- pg_mid_dir = NULL; \
- } \
- pg_mid_dir != NULL; \
- })
-
-#if defined(pte_offset_atomic)
-#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \
- { \
- pte = pte_offset_atomic(pg_mid_dir, address); \
- XGI_PMD_UNMAP(pg_mid_dir); \
- }
-#define XGI_PTE_UNMAP(pte) \
- { \
- pte_kunmap(pte); \
- }
-#elif defined(pte_offset)
-#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \
- { \
- pte = pte_offset(pg_mid_dir, address); \
- XGI_PMD_UNMAP(pg_mid_dir); \
- }
-#define XGI_PTE_UNMAP(pte)
-#else
-#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \
- { \
- pte = pte_offset_map(pg_mid_dir, address); \
- XGI_PMD_UNMAP(pg_mid_dir); \
- }
-#define XGI_PTE_UNMAP(pte) \
- { \
- pte_unmap(pte); \
- }
-#endif
-
-#define XGI_PTE_PRESENT(pte) \
- ({ \
- if (pte) \
- { \
- if (!pte_present(*pte)) \
- { \
- XGI_PTE_UNMAP(pte); pte = NULL; \
- } \
- } \
- pte != NULL; \
- })
-
-#define XGI_PTE_VALUE(pte) \
- ({ \
- unsigned long __pte_value = pte_val(*pte); \
- XGI_PTE_UNMAP(pte); \
- __pte_value; \
- })
-
-#define XGI_PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) / PAGE_SIZE)
-#define XGI_MASK_OFFSET(addr) ((addr) & (PAGE_SIZE - 1))
-
-#if !defined (pgprot_noncached)
-static inline pgprot_t pgprot_noncached(pgprot_t old_prot)
- {
- pgprot_t new_prot = old_prot;
- if (boot_cpu_data.x86 > 3)
- new_prot = __pgprot(pgprot_val(old_prot) | _PAGE_PCD);
- return new_prot;
- }
-#endif
-
-#if defined(XGI_BUILD_XGI_PAT_SUPPORT) && !defined (pgprot_writecombined)
-/* Added define for write combining page, only valid if pat enabled. */
-#define _PAGE_WRTCOMB _PAGE_PWT
-#define __PAGE_KERNEL_WRTCOMB \
- (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_WRTCOMB | _PAGE_ACCESSED)
-#define PAGE_KERNEL_WRTCOMB MAKE_GLOBAL(__PAGE_KERNEL_WRTCOMB)
-
-static inline pgprot_t pgprot_writecombined(pgprot_t old_prot)
- {
- pgprot_t new_prot = old_prot;
- if (boot_cpu_data.x86 > 3)
- {
- pgprot_val(old_prot) &= ~(_PAGE_PCD | _PAGE_PWT);
- new_prot = __pgprot(pgprot_val(old_prot) | _PAGE_WRTCOMB);
- }
- return new_prot;
- }
-#endif
-
-#if !defined(page_to_pfn)
-#define page_to_pfn(page) ((page) - mem_map)
-#endif
-
-#define XGI_VMALLOC(ptr, size) \
- { \
- (ptr) = vmalloc_32(size); \
- }
-
-#define XGI_VFREE(ptr, size) \
- { \
- vfree((void *) (ptr)); \
- }
-
-#define XGI_IOREMAP(ptr, physaddr, size) \
- { \
- (ptr) = ioremap(physaddr, size); \
- }
-
-#define XGI_IOREMAP_NOCACHE(ptr, physaddr, size) \
- { \
- (ptr) = ioremap_nocache(physaddr, size); \
- }
-
-#define XGI_IOUNMAP(ptr, size) \
- { \
- iounmap(ptr); \
- }
-
-/*
- * only use this because GFP_KERNEL may sleep..
- * GFP_ATOMIC is ok, it won't sleep
- */
-#define XGI_KMALLOC(ptr, size) \
- { \
- (ptr) = kmalloc(size, GFP_KERNEL); \
- }
-
-#define XGI_KMALLOC_ATOMIC(ptr, size) \
- { \
- (ptr) = kmalloc(size, GFP_ATOMIC); \
- }
-
-#define XGI_KFREE(ptr, size) \
- { \
- kfree((void *) (ptr)); \
- }
-
-#define XGI_GET_FREE_PAGES(ptr, order) \
- { \
- (ptr) = __get_free_pages(GFP_KERNEL, order); \
- }
-
-#define XGI_FREE_PAGES(ptr, order) \
- { \
- free_pages(ptr, order); \
- }
-
-typedef struct xgi_pte_s {
- unsigned long phys_addr;
- unsigned long virt_addr;
-} xgi_pte_t;
-
-/*
- * AMD Athlon processors expose a subtle bug in the Linux
- * kernel, that may lead to AGP memory corruption. Recent
- * kernel versions had a workaround for this problem, but
- * 2.4.20 is the first kernel to address it properly. The
- * page_attr API provides the means to solve the problem.
- */
-#if defined(XGI_CHANGE_PAGE_ATTR_PRESENT)
-static inline void XGI_SET_PAGE_ATTRIB_UNCACHED(xgi_pte_t *page_ptr)
- {
- struct page *page = virt_to_page(__va(page_ptr->phys_addr));
- change_page_attr(page, 1, PAGE_KERNEL_NOCACHE);
- }
-static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t *page_ptr)
- {
- struct page *page = virt_to_page(__va(page_ptr->phys_addr));
- change_page_attr(page, 1, PAGE_KERNEL);
- }
-#else
-#define XGI_SET_PAGE_ATTRIB_UNCACHED(page_list)
-#define XGI_SET_PAGE_ATTRIB_CACHED(page_list)
-#endif
-
-#ifdef KERNEL_2_4
-#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
-#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count)
-#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count)
-#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v)
-
-#define XGILockPage(page) set_bit(PG_locked, &(page)->flags)
-#define XGIUnlockPage(page) clear_bit(PG_locked, &(page)->flags)
-#endif
-
-#ifdef KERNEL_2_6
-/* add for SUSE 9, Jill*/
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 4)
-#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count)
-#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count)
-#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count)
-#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v)
-#else
-#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->_count)
-#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->_count)
-#define XGI_PAGE_COUNT(page) atomic_read(&(page)->_count)
-#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->_count, v)
-#endif
-#define XGILockPage(page) SetPageLocked(page)
-#define XGIUnlockPage(page) ClearPageLocked(page)
-#endif
-
-
-/*
- * hide a pointer to struct xgi_info_t in a file-private info
- */
-
-typedef struct
-{
- void *info;
- U32 num_events;
- spinlock_t fp_lock;
- wait_queue_head_t wait_queue;
-} xgi_file_private_t;
-
-#define FILE_PRIVATE(filp) ((filp)->private_data)
-
-#define XGI_GET_FP(filp) ((xgi_file_private_t *) FILE_PRIVATE(filp))
-
-/* for the card devices */
-#define XGI_INFO_FROM_FP(filp) (XGI_GET_FP(filp)->info)
-
-#ifdef KERNEL_2_0
-#define INODE_FROM_FP(filp) ((filp)->f_inode)
-#else
-#define INODE_FROM_FP(filp) ((filp)->f_dentry->d_inode)
-#endif
-
-#define XGI_ATOMIC_SET(data,val) atomic_set(&(data), (val))
-#define XGI_ATOMIC_INC(data) atomic_inc(&(data))
-#define XGI_ATOMIC_DEC(data) atomic_dec(&(data))
-#define XGI_ATOMIC_DEC_AND_TEST(data) atomic_dec_and_test(&(data))
-#define XGI_ATOMIC_READ(data) atomic_read(&(data))
-
-/*
- * lock-related functions that should only be called from this file
- */
-#define xgi_init_lock(lock) spin_lock_init(&lock)
-#define xgi_lock(lock) spin_lock(&lock)
-#define xgi_unlock(lock) spin_unlock(&lock)
-#define xgi_down(lock) down(&lock)
-#define xgi_up(lock) up(&lock)
-
-#define xgi_lock_irqsave(lock,flags) spin_lock_irqsave(&lock,flags)
-#define xgi_unlock_irqsave(lock,flags) spin_unlock_irqrestore(&lock,flags)
-
-#endif
+ +/**************************************************************************** + * Copyright (C) 2003-2006 by XGI Technology, Taiwan. + * * + * All Rights Reserved. * + * * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR + * ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + ***************************************************************************/ + +#ifndef _XGI_LINUX_H_ +#define _XGI_LINUX_H_ + +#include <linux/config.h> + +#ifndef LINUX_VERSION_CODE +#include <linux/version.h> +#endif + +#ifndef KERNEL_VERSION /* pre-2.1.90 didn't have it */ +#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0) +# error "This driver does not support pre-2.4 kernels!" +#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0) +#define KERNEL_2_4 +#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) +# error "This driver does not support 2.5 kernels!" +#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 7, 0) +#define KERNEL_2_6 +#else +# error "This driver does not support development kernels!" +#endif + +#if defined (CONFIG_SMP) && !defined (__SMP__) +#define __SMP__ +#endif + +#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS) +#define MODVERSIONS +#endif + +#if defined (MODVERSIONS) && !defined (KERNEL_2_6) +#include <linux/modversions.h> +#endif + +#include <linux/kernel.h> /* printk */ +#include <linux/module.h> + +#include <linux/init.h> /* module_init, module_exit */ +#include <linux/types.h> /* pic_t, size_t, __u32, etc */ +#include <linux/errno.h> /* error codes */ +#include <linux/list.h> /* circular linked list */ +#include <linux/stddef.h> /* NULL, offsetof */ +#include <linux/wait.h> /* wait queues */ + +#include <linux/slab.h> /* kmalloc, kfree, etc */ +#include <linux/vmalloc.h> /* vmalloc, vfree, etc */ + +#include <linux/poll.h> /* poll_wait */ +#include <linux/delay.h> /* mdelay, udelay */ +#include <asm/msr.h> /* rdtsc rdtscl */ + +#include <linux/sched.h> /* suser(), capable() replacement + for_each_task, for_each_process */ +#ifdef for_each_process +#define XGI_SCAN_PROCESS(p) for_each_process(p) +#else +#define XGI_SCAN_PROCESS(p) for_each_task(p) +#endif + +#ifdef KERNEL_2_6 +#include <linux/moduleparam.h> /* module_param() */ +#include <linux/smp_lock.h> /* kernel_locked */ +#include <asm/tlbflush.h> /* flush_tlb(), flush_tlb_all() */ +#include <asm/kmap_types.h> /* page table entry lookup */ +#endif + +#include <linux/pci.h> /* pci_find_class, etc */ +#include <linux/interrupt.h> /* tasklets, interrupt helpers */ +#include <linux/timer.h> + +#include <asm/system.h> /* cli, sli, save_flags */ +#include <asm/io.h> /* ioremap, virt_to_phys */ +#include <asm/uaccess.h> /* access_ok */ +#include <asm/page.h> /* PAGE_OFFSET */ +#include <asm/pgtable.h> /* pte bit definitions */ + +#include <linux/spinlock.h> +#include <asm/semaphore.h> +#include <linux/highmem.h> + +#ifdef CONFIG_PROC_FS +#include <linux/proc_fs.h> +#endif + +#ifdef CONFIG_DEVFS_FS +#include <linux/devfs_fs_kernel.h> +#endif + +#ifdef CONFIG_KMOD +#include <linux/kmod.h> +#endif + +#ifdef CONFIG_PM +#include <linux/pm.h> +#endif + +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#ifdef CONFIG_KDB +#include <linux/kdb.h> +#include <asm/kdb.h> +#endif + +#if defined (CONFIG_AGP) || defined (CONFIG_AGP_MODULE) +#define AGPGART +#include <linux/agp_backend.h> +#include <linux/agpgart.h> +#endif + +#ifndef MAX_ORDER +#ifdef KERNEL_2_4 +#define MAX_ORDER 10 +#endif +#ifdef KERNEL_2_6 +#define MAX_ORDER 11 +#endif +#endif + +#ifndef module_init +#define module_init(x) int init_module(void) { return x(); } +#define module_exit(x) void cleanup_module(void) { x(); } +#endif + +#ifndef minor +#define minor(x) MINOR(x) +#endif + +#ifndef IRQ_HANDLED +typedef void irqreturn_t; +#define IRQ_NONE +#define IRQ_HANDLED +#define IRQ_RETVAL(x) +#endif + +#if !defined (list_for_each) +#define list_for_each(pos, head) \ + for (pos = (head)->next, prefetch(pos->next); pos != (head); \ + pos = pos->next, prefetch(pos->next)) +#endif + +#ifdef KERNEL_2_4 +#define XGI_PCI_FOR_EACH_DEV(dev) pci_for_each_dev(dev) +#endif +#ifdef KERNEL_2_6 +extern struct list_head pci_devices; /* list of all devices */ +#define XGI_PCI_FOR_EACH_DEV(dev) \ + for(dev = pci_dev_g(pci_devices.next); dev != pci_dev_g(&pci_devices); dev = pci_dev_g(dev->global_list.next)) +#endif + +/* + * the following macro causes problems when used in the same module + * as module_param(); undef it so we don't accidentally mix the two + */ +#if defined (KERNEL_2_6) +#undef MODULE_PARM +#endif + +#ifdef EXPORT_NO_SYMBOLS +EXPORT_NO_SYMBOLS; +#endif + +#if defined (KERNEL_2_4) +#define XGI_IS_SUSER() suser() +#define XGI_PCI_DEVICE_NAME(dev) ((dev)->name) +#define XGI_NUM_CPUS() smp_num_cpus +#define XGI_CLI() __cli() +#define XGI_SAVE_FLAGS(eflags) __save_flags(eflags) +#define XGI_RESTORE_FLAGS(eflags) __restore_flags(eflags) +#define XGI_MAY_SLEEP() (!in_interrupt()) +#define XGI_MODULE_PARAMETER(x) MODULE_PARM(x, "i") +#endif + +#if defined (KERNEL_2_6) +#define XGI_IS_SUSER() capable(CAP_SYS_ADMIN) +#define XGI_PCI_DEVICE_NAME(dev) ((dev)->pretty_name) +#define XGI_NUM_CPUS() num_online_cpus() +#define XGI_CLI() local_irq_disable() +#define XGI_SAVE_FLAGS(eflags) local_save_flags(eflags) +#define XGI_RESTORE_FLAGS(eflags) local_irq_restore(eflags) +#define XGI_MAY_SLEEP() (!in_interrupt() && !in_atomic()) +#define XGI_MODULE_PARAMETER(x) module_param(x, int, 0) +#endif + +/* Earlier 2.4.x kernels don't have pci_disable_device() */ +#ifdef XGI_PCI_DISABLE_DEVICE_PRESENT +#define XGI_PCI_DISABLE_DEVICE(dev) pci_disable_device(dev) +#else +#define XGI_PCI_DISABLE_DEVICE(dev) +#endif + +/* common defines */ +#define GET_MODULE_SYMBOL(mod,sym) (const void *) inter_module_get(sym) +#define PUT_MODULE_SYMBOL(sym) inter_module_put((char *) sym) + +#define XGI_GET_PAGE_STRUCT(phys_page) virt_to_page(__va(phys_page)) +#define XGI_VMA_OFFSET(vma) (((vma)->vm_pgoff) << PAGE_SHIFT) +#define XGI_VMA_PRIVATE(vma) ((vma)->vm_private_data) + +#define XGI_DEVICE_NUMBER(x) minor((x)->i_rdev) +#define XGI_IS_CONTROL_DEVICE(x) (minor((x)->i_rdev) == 255) + +#define XGI_PCI_RESOURCE_START(dev, bar) ((dev)->resource[bar].start) +#define XGI_PCI_RESOURCE_SIZE(dev, bar) ((dev)->resource[bar].end - (dev)->resource[bar].start + 1) + +#define XGI_PCI_BUS_NUMBER(dev) (dev)->bus->number +#define XGI_PCI_SLOT_NUMBER(dev) PCI_SLOT((dev)->devfn) + +#ifdef XGI_PCI_GET_CLASS_PRESENT +#define XGI_PCI_DEV_PUT(dev) pci_dev_put(dev) +#define XGI_PCI_GET_DEVICE(vendor,device,from) pci_get_device(vendor,device,from) +#define XGI_PCI_GET_SLOT(bus,devfn) pci_get_slot(pci_find_bus(0,bus),devfn) +#define XGI_PCI_GET_CLASS(class,from) pci_get_class(class,from) +#else +#define XGI_PCI_DEV_PUT(dev) +#define XGI_PCI_GET_DEVICE(vendor,device,from) pci_find_device(vendor,device,from) +#define XGI_PCI_GET_SLOT(bus,devfn) pci_find_slot(bus,devfn) +#define XGI_PCI_GET_CLASS(class,from) pci_find_class(class,from) +#endif + +/* + * acpi support has been back-ported to the 2.4 kernel, but the 2.4 driver + * model is not sufficient for full acpi support. it may work in some cases, + * but not enough for us to officially support this configuration. + */ +#if defined(CONFIG_ACPI) && defined(KERNEL_2_6) +#define XGI_PM_SUPPORT_ACPI +#endif + +#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE) +#define XGI_PM_SUPPORT_APM +#endif + +#if defined(CONFIG_DEVFS_FS) +#if defined(KERNEL_2_6) +typedef void *devfs_handle_t; +#define XGI_DEVFS_REGISTER(_name, _minor) \ + ({ \ + devfs_handle_t __handle = NULL; \ + if (devfs_mk_cdev(MKDEV(XGI_DEV_MAJOR, _minor), \ + S_IFCHR | S_IRUGO | S_IWUGO, _name) == 0) \ + { \ + __handle = (void *) 1; /* XXX Fix me! (boolean) */ \ + } \ + __handle; \ + }) +/* +#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi%d", i) +*/ +#define XGI_DEVFS_REMOVE_CONTROL() devfs_remove("xgi_ctl") +#define XGI_DEVFS_REMOVE_DEVICE(i) devfs_remove("xgi") +#else // defined(KERNEL_2_4) +#define XGI_DEVFS_REGISTER(_name, _minor) \ + ({ \ + devfs_handle_t __handle = devfs_register(NULL, _name, DEVFS_FL_AUTO_DEVNUM, \ + XGI_DEV_MAJOR, _minor, \ + S_IFCHR | S_IRUGO | S_IWUGO, &xgi_fops, NULL); \ + __handle; \ + }) + +#define XGI_DEVFS_REMOVE_DEVICE(i) \ + ({ \ + if (xgi_devfs_handles[i] != NULL) \ + { \ + devfs_unregister(xgi_devfs_handles[i]); \ + } \ + }) +#define XGI_DEVFS_REMOVE_CONTROL() \ + ({ \ + if (xgi_devfs_handles[0] != NULL) \ + { \ + devfs_unregister(xgi_devfs_handles[0]); \ + } \ + }) +#endif /* defined(KERNEL_2_4) */ +#endif /* defined(CONFIG_DEVFS_FS) */ + +#if defined(CONFIG_DEVFS_FS) && !defined(KERNEL_2_6) +#define XGI_REGISTER_CHRDEV(x...) devfs_register_chrdev(x) +#define XGI_UNREGISTER_CHRDEV(x...) devfs_unregister_chrdev(x) +#else +#define XGI_REGISTER_CHRDEV(x...) register_chrdev(x) +#define XGI_UNREGISTER_CHRDEV(x...) unregister_chrdev(x) +#endif + +#if defined(XGI_REMAP_PFN_RANGE_PRESENT) +#define XGI_REMAP_PAGE_RANGE(from, offset, x...) \ + remap_pfn_range(vma, from, ((offset) >> PAGE_SHIFT), x) +#elif defined(XGI_REMAP_PAGE_RANGE_5) +#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(vma, x) +#elif defined(XGI_REMAP_PAGE_RANGE_4) +#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(x) +#else +#warning "xgi_configure.sh failed, assuming remap_page_range(5)!" +#define XGI_REMAP_PAGE_RANGE(x...) remap_page_range(vma, x) +#endif + +#if defined(pmd_offset_map) +#define XGI_PMD_OFFSET(addres, pg_dir, pg_mid_dir) \ + { \ + pg_mid_dir = pmd_offset_map(pg_dir, address); \ + } +#define XGI_PMD_UNMAP(pg_mid_dir) \ + { \ + pmd_unmap(pg_mid_dir); \ + } +#else +#define XGI_PMD_OFFSET(addres, pg_dir, pg_mid_dir) \ + { \ + pg_mid_dir = pmd_offset(pg_dir, address); \ + } +#define XGI_PMD_UNMAP(pg_mid_dir) +#endif + +#define XGI_PMD_PRESENT(pg_mid_dir) \ + ({ \ + if ((pg_mid_dir) && (pmd_none(*pg_mid_dir))) \ + { \ + XGI_PMD_UNMAP(pg_mid_dir); \ + pg_mid_dir = NULL; \ + } \ + pg_mid_dir != NULL; \ + }) + +#if defined(pte_offset_atomic) +#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \ + { \ + pte = pte_offset_atomic(pg_mid_dir, address); \ + XGI_PMD_UNMAP(pg_mid_dir); \ + } +#define XGI_PTE_UNMAP(pte) \ + { \ + pte_kunmap(pte); \ + } +#elif defined(pte_offset) +#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \ + { \ + pte = pte_offset(pg_mid_dir, address); \ + XGI_PMD_UNMAP(pg_mid_dir); \ + } +#define XGI_PTE_UNMAP(pte) +#else +#define XGI_PTE_OFFSET(addres, pg_mid_dir, pte) \ + { \ + pte = pte_offset_map(pg_mid_dir, address); \ + XGI_PMD_UNMAP(pg_mid_dir); \ + } +#define XGI_PTE_UNMAP(pte) \ + { \ + pte_unmap(pte); \ + } +#endif + +#define XGI_PTE_PRESENT(pte) \ + ({ \ + if (pte) \ + { \ + if (!pte_present(*pte)) \ + { \ + XGI_PTE_UNMAP(pte); pte = NULL; \ + } \ + } \ + pte != NULL; \ + }) + +#define XGI_PTE_VALUE(pte) \ + ({ \ + unsigned long __pte_value = pte_val(*pte); \ + XGI_PTE_UNMAP(pte); \ + __pte_value; \ + }) + +#define XGI_PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) / PAGE_SIZE) +#define XGI_MASK_OFFSET(addr) ((addr) & (PAGE_SIZE - 1)) + +#if !defined (pgprot_noncached) +static inline pgprot_t pgprot_noncached(pgprot_t old_prot) +{ + pgprot_t new_prot = old_prot; + if (boot_cpu_data.x86 > 3) + new_prot = __pgprot(pgprot_val(old_prot) | _PAGE_PCD); + return new_prot; +} +#endif + +#if defined(XGI_BUILD_XGI_PAT_SUPPORT) && !defined (pgprot_writecombined) +/* Added define for write combining page, only valid if pat enabled. */ +#define _PAGE_WRTCOMB _PAGE_PWT +#define __PAGE_KERNEL_WRTCOMB \ + (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_WRTCOMB | _PAGE_ACCESSED) +#define PAGE_KERNEL_WRTCOMB MAKE_GLOBAL(__PAGE_KERNEL_WRTCOMB) + +static inline pgprot_t pgprot_writecombined(pgprot_t old_prot) +{ + pgprot_t new_prot = old_prot; + if (boot_cpu_data.x86 > 3) { + pgprot_val(old_prot) &= ~(_PAGE_PCD | _PAGE_PWT); + new_prot = __pgprot(pgprot_val(old_prot) | _PAGE_WRTCOMB); + } + return new_prot; +} +#endif + +#if !defined(page_to_pfn) +#define page_to_pfn(page) ((page) - mem_map) +#endif + +#define XGI_VMALLOC(ptr, size) \ + { \ + (ptr) = vmalloc_32(size); \ + } + +#define XGI_VFREE(ptr, size) \ + { \ + vfree((void *) (ptr)); \ + } + +#define XGI_IOREMAP(ptr, physaddr, size) \ + { \ + (ptr) = ioremap(physaddr, size); \ + } + +#define XGI_IOREMAP_NOCACHE(ptr, physaddr, size) \ + { \ + (ptr) = ioremap_nocache(physaddr, size); \ + } + +#define XGI_IOUNMAP(ptr, size) \ + { \ + iounmap(ptr); \ + } + +/* + * only use this because GFP_KERNEL may sleep.. + * GFP_ATOMIC is ok, it won't sleep + */ +#define XGI_KMALLOC(ptr, size) \ + { \ + (ptr) = kmalloc(size, GFP_KERNEL); \ + } + +#define XGI_KMALLOC_ATOMIC(ptr, size) \ + { \ + (ptr) = kmalloc(size, GFP_ATOMIC); \ + } + +#define XGI_KFREE(ptr, size) \ + { \ + kfree((void *) (ptr)); \ + } + +#define XGI_GET_FREE_PAGES(ptr, order) \ + { \ + (ptr) = __get_free_pages(GFP_KERNEL, order); \ + } + +#define XGI_FREE_PAGES(ptr, order) \ + { \ + free_pages(ptr, order); \ + } + +typedef struct xgi_pte_s { + unsigned long phys_addr; + unsigned long virt_addr; +} xgi_pte_t; + +/* + * AMD Athlon processors expose a subtle bug in the Linux + * kernel, that may lead to AGP memory corruption. Recent + * kernel versions had a workaround for this problem, but + * 2.4.20 is the first kernel to address it properly. The + * page_attr API provides the means to solve the problem. + */ +#if defined(XGI_CHANGE_PAGE_ATTR_PRESENT) +static inline void XGI_SET_PAGE_ATTRIB_UNCACHED(xgi_pte_t * page_ptr) +{ + struct page *page = virt_to_page(__va(page_ptr->phys_addr)); + change_page_attr(page, 1, PAGE_KERNEL_NOCACHE); +} +static inline void XGI_SET_PAGE_ATTRIB_CACHED(xgi_pte_t * page_ptr) +{ + struct page *page = virt_to_page(__va(page_ptr->phys_addr)); + change_page_attr(page, 1, PAGE_KERNEL); +} +#else +#define XGI_SET_PAGE_ATTRIB_UNCACHED(page_list) +#define XGI_SET_PAGE_ATTRIB_CACHED(page_list) +#endif + +#ifdef KERNEL_2_4 +#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count) +#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count) +#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count) +#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v) + +#define XGILockPage(page) set_bit(PG_locked, &(page)->flags) +#define XGIUnlockPage(page) clear_bit(PG_locked, &(page)->flags) +#endif + +#ifdef KERNEL_2_6 +/* add for SUSE 9, Jill*/ +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 4) +#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->count) +#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->count) +#define XGI_PAGE_COUNT(page) atomic_read(&(page)->count) +#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->count, v) +#else +#define XGI_INC_PAGE_COUNT(page) atomic_inc(&(page)->_count) +#define XGI_DEC_PAGE_COUNT(page) atomic_dec(&(page)->_count) +#define XGI_PAGE_COUNT(page) atomic_read(&(page)->_count) +#define XGI_SET_PAGE_COUNT(page,v) atomic_set(&(page)->_count, v) +#endif +#define XGILockPage(page) SetPageLocked(page) +#define XGIUnlockPage(page) ClearPageLocked(page) +#endif + +/* + * hide a pointer to struct xgi_info_t in a file-private info + */ + +typedef struct { + void *info; + U32 num_events; + spinlock_t fp_lock; + wait_queue_head_t wait_queue; +} xgi_file_private_t; + +#define FILE_PRIVATE(filp) ((filp)->private_data) + +#define XGI_GET_FP(filp) ((xgi_file_private_t *) FILE_PRIVATE(filp)) + +/* for the card devices */ +#define XGI_INFO_FROM_FP(filp) (XGI_GET_FP(filp)->info) + +#ifdef KERNEL_2_0 +#define INODE_FROM_FP(filp) ((filp)->f_inode) +#else +#define INODE_FROM_FP(filp) ((filp)->f_dentry->d_inode) +#endif + +#define XGI_ATOMIC_SET(data,val) atomic_set(&(data), (val)) +#define XGI_ATOMIC_INC(data) atomic_inc(&(data)) +#define XGI_ATOMIC_DEC(data) atomic_dec(&(data)) +#define XGI_ATOMIC_DEC_AND_TEST(data) atomic_dec_and_test(&(data)) +#define XGI_ATOMIC_READ(data) atomic_read(&(data)) + +/* + * lock-related functions that should only be called from this file + */ +#define xgi_init_lock(lock) spin_lock_init(&lock) +#define xgi_lock(lock) spin_lock(&lock) +#define xgi_unlock(lock) spin_unlock(&lock) +#define xgi_down(lock) down(&lock) +#define xgi_up(lock) up(&lock) + +#define xgi_lock_irqsave(lock,flags) spin_lock_irqsave(&lock,flags) +#define xgi_unlock_irqsave(lock,flags) spin_unlock_irqrestore(&lock,flags) + +#endif |