164 lines
5.3 KiB
C
164 lines
5.3 KiB
C
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#ifndef KERNEL_VERSION
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# include <linux/version.h>
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
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# ifdef KERNEL_2_6
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# undef KERNEL_2_6
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# endif
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# define PCI_GET_CLASS pci_find_class
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# define PCI_GET_DEVICE pci_find_device
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# if defined (PG_chainlock)
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# define my_io_remap_page_range(vma, start, ofs, len, prot) \
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io_remap_page_range(vma,start,ofs,len,prot)
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# else
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# ifdef __alpha__ /* Is alpha really the issue here ??? */
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# define my_io_remap_page_range(vma, start, ofs, len, prot) \
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remap_page_range(start,ofs,len,prot)
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# else
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# define my_io_remap_page_range(vma, start, ofs, len, prot) \
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io_remap_page_range(start,ofs,len,prot)
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# endif
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# endif
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# ifndef IRQ_HANDLED
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typedef void irqreturn_t;
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# define IRQ_NONE
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# define IRQ_HANDLED
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# endif
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#else /* Kernel 2.6 */
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#define NO_TASK
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# ifndef KERNEL_2_6
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# define KERNEL_2_6
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# endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
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# undef MODULE_PARM
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# define MODULE_PARM(x,y) module_param(x, int, 0)
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#endif
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/* WHY ? */
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
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# define PCI_GET_CLASS pci_find_class
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# define PCI_GET_DEVICE pci_find_device
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# define DEVFS_MK_SYMLINK(a,b) devfs_mk_symlink(a,b)
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#else
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# define PCI_GET_CLASS pci_get_class
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# define PCI_GET_DEVICE pci_get_device
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# define DEVFS_MK_SYMLINK(a,b)
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)
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# define io_remap_page_range(vma, vaddr, paddr, size, prot) \
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remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot)
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#endif
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# define my_io_remap_page_range(vma, start, ofs, len, prot) \
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io_remap_page_range(vma,start,ofs,len,prot)
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# define pci_present() 1
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# ifdef CONFIG_DEVFS_FS
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typedef void* devfs_handle_t;
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# endif
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#endif
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/* These are also not present in 2.6 kernels ... */
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#if (!defined _LINUX_DEVFS_FS_KERNEL_H) || (defined KERNEL_2_6)
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static inline int devfs_register_chrdev (unsigned int major, const char *name,
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struct file_operations *fops)
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{
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return register_chrdev (major, name, fops);
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}
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static inline int devfs_unregister_chrdev (unsigned int major,const char *name)
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{
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return unregister_chrdev (major, name);
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}
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#endif
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#if defined(KERNEL_2_6) && !defined(CONFIG_DEVFS_FS)
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# if !defined(CLASS_SIMPLE) /* no class_simple */
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# define K_CLASS class
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# define SLH_SYSFS_REGISTER \
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svgalib_helper_class = class_create(THIS_MODULE, "svgalib_helper");
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
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# define SLH_SYSFS_ADD_CONTROL \
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class_device_create(svgalib_helper_class, \
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MKDEV(SVGALIB_HELPER_MAJOR, 0), \
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NULL, "svga");
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# define SLH_SYSFS_ADD_DEVICE(_name, _minor) \
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class_device_create(svgalib_helper_class, \
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MKDEV(SVGALIB_HELPER_MAJOR, _minor), \
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&sh_pci_devs[_minor]->dev->dev, _name);
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#else /* 2.6.15 changed class_device_create */
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# define SLH_SYSFS_ADD_CONTROL \
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class_device_create(svgalib_helper_class, NULL, \
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MKDEV(SVGALIB_HELPER_MAJOR, 0), \
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NULL, "svga");
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# define SLH_SYSFS_ADD_DEVICE(_name, _minor) \
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class_device_create(svgalib_helper_class, NULL, \
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MKDEV(SVGALIB_HELPER_MAJOR, _minor), \
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&sh_pci_devs[_minor]->dev->dev, _name);
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#endif /* 2.6.15 */
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# define SLH_SYSFS_REMOVE_DEVICE(i) \
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class_destroy(svgalib_helper_class);
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# define SLH_SYSFS_UNREGISTER \
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class_destroy(svgalib_helper_class);
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# else /* class_simple */
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# define K_CLASS class_simple
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# define SLH_SYSFS_REGISTER \
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svgalib_helper_class = class_simple_create(THIS_MODULE, "svgalib_helper");
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# define SLH_SYSFS_ADD_CONTROL \
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class_simple_device_add(svgalib_helper_class, \
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MKDEV(SVGALIB_HELPER_MAJOR, 0), \
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NULL, "svga");
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# define SLH_SYSFS_ADD_DEVICE(_name, _minor) \
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class_simple_device_add(svgalib_helper_class, \
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MKDEV(SVGALIB_HELPER_MAJOR, _minor), \
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&sh_pci_devs[_minor]->dev->dev, _name);
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# define SLH_SYSFS_REMOVE_DEVICE(i) \
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class_simple_device_remove(MKDEV(SVGALIB_HELPER_MAJOR, i));
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# define SLH_SYSFS_UNREGISTER \
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class_simple_destroy(svgalib_helper_class);
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# endif /* class_simple */
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#else
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# define SLH_SYSFS_REGISTER
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# define SLH_SYSFS_ADD_CONTROL
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# define SLH_SYSFS_ADD_DEVICE(_name, _minor)
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# define SLH_SYSFS_REMOVE_DEVICE(i)
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# define SLH_SYSFS_UNREGISTER
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#endif
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#if (defined MINOR)
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# define my_minor(x) MINOR(x)
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#else
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# define my_minor(x) minor(x)
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#endif
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#if !defined(MODULE_VERSION)
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# define MODULE_VERSION(x)
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#endif
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#ifndef PCI_VENDOR_ID_RENDITION
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#define PCI_VENDOR_ID_RENDITION 0x1163
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#endif
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