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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/video/cg14.c
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'drivers/video/cg14.c')
-rw-r--r--drivers/video/cg14.c648
1 files changed, 648 insertions, 0 deletions
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
new file mode 100644
index 00000000000..18e60b941e2
--- /dev/null
+++ b/drivers/video/cg14.c
@@ -0,0 +1,648 @@
+/* cg14.c: CGFOURTEEN frame buffer driver
+ *
+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
+ * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
+ *
+ * Driver layout based loosely on tgafb.c, see that file for credits.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/fb.h>
+#include <linux/mm.h>
+
+#include <asm/io.h>
+#include <asm/sbus.h>
+#include <asm/oplib.h>
+#include <asm/fbio.h>
+
+#include "sbuslib.h"
+
+/*
+ * Local functions.
+ */
+
+static int cg14_setcolreg(unsigned, unsigned, unsigned, unsigned,
+ unsigned, struct fb_info *);
+
+static int cg14_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int cg14_ioctl(struct inode *, struct file *, unsigned int,
+ unsigned long, struct fb_info *);
+static int cg14_pan_display(struct fb_var_screeninfo *, struct fb_info *);
+
+/*
+ * Frame buffer operations
+ */
+
+static struct fb_ops cg14_ops = {
+ .owner = THIS_MODULE,
+ .fb_setcolreg = cg14_setcolreg,
+ .fb_pan_display = cg14_pan_display,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+ .fb_mmap = cg14_mmap,
+ .fb_ioctl = cg14_ioctl,
+ .fb_cursor = soft_cursor,
+};
+
+#define CG14_MCR_INTENABLE_SHIFT 7
+#define CG14_MCR_INTENABLE_MASK 0x80
+#define CG14_MCR_VIDENABLE_SHIFT 6
+#define CG14_MCR_VIDENABLE_MASK 0x40
+#define CG14_MCR_PIXMODE_SHIFT 4
+#define CG14_MCR_PIXMODE_MASK 0x30
+#define CG14_MCR_TMR_SHIFT 2
+#define CG14_MCR_TMR_MASK 0x0c
+#define CG14_MCR_TMENABLE_SHIFT 1
+#define CG14_MCR_TMENABLE_MASK 0x02
+#define CG14_MCR_RESET_SHIFT 0
+#define CG14_MCR_RESET_MASK 0x01
+#define CG14_REV_REVISION_SHIFT 4
+#define CG14_REV_REVISION_MASK 0xf0
+#define CG14_REV_IMPL_SHIFT 0
+#define CG14_REV_IMPL_MASK 0x0f
+#define CG14_VBR_FRAMEBASE_SHIFT 12
+#define CG14_VBR_FRAMEBASE_MASK 0x00fff000
+#define CG14_VMCR1_SETUP_SHIFT 0
+#define CG14_VMCR1_SETUP_MASK 0x000001ff
+#define CG14_VMCR1_VCONFIG_SHIFT 9
+#define CG14_VMCR1_VCONFIG_MASK 0x00000e00
+#define CG14_VMCR2_REFRESH_SHIFT 0
+#define CG14_VMCR2_REFRESH_MASK 0x00000001
+#define CG14_VMCR2_TESTROWCNT_SHIFT 1
+#define CG14_VMCR2_TESTROWCNT_MASK 0x00000002
+#define CG14_VMCR2_FBCONFIG_SHIFT 2
+#define CG14_VMCR2_FBCONFIG_MASK 0x0000000c
+#define CG14_VCR_REFRESHREQ_SHIFT 0
+#define CG14_VCR_REFRESHREQ_MASK 0x000003ff
+#define CG14_VCR1_REFRESHENA_SHIFT 10
+#define CG14_VCR1_REFRESHENA_MASK 0x00000400
+#define CG14_VCA_CAD_SHIFT 0
+#define CG14_VCA_CAD_MASK 0x000003ff
+#define CG14_VCA_VERS_SHIFT 10
+#define CG14_VCA_VERS_MASK 0x00000c00
+#define CG14_VCA_RAMSPEED_SHIFT 12
+#define CG14_VCA_RAMSPEED_MASK 0x00001000
+#define CG14_VCA_8MB_SHIFT 13
+#define CG14_VCA_8MB_MASK 0x00002000
+
+#define CG14_MCR_PIXMODE_8 0
+#define CG14_MCR_PIXMODE_16 2
+#define CG14_MCR_PIXMODE_32 3
+
+struct cg14_regs{
+ volatile u8 mcr; /* Master Control Reg */
+ volatile u8 ppr; /* Packed Pixel Reg */
+ volatile u8 tms[2]; /* Test Mode Status Regs */
+ volatile u8 msr; /* Master Status Reg */
+ volatile u8 fsr; /* Fault Status Reg */
+ volatile u8 rev; /* Revision & Impl */
+ volatile u8 ccr; /* Clock Control Reg */
+ volatile u32 tmr; /* Test Mode Read Back */
+ volatile u8 mod; /* Monitor Operation Data Reg */
+ volatile u8 acr; /* Aux Control */
+ u8 xxx0[6];
+ volatile u16 hct; /* Hor Counter */
+ volatile u16 vct; /* Vert Counter */
+ volatile u16 hbs; /* Hor Blank Start */
+ volatile u16 hbc; /* Hor Blank Clear */
+ volatile u16 hss; /* Hor Sync Start */
+ volatile u16 hsc; /* Hor Sync Clear */
+ volatile u16 csc; /* Composite Sync Clear */
+ volatile u16 vbs; /* Vert Blank Start */
+ volatile u16 vbc; /* Vert Blank Clear */
+ volatile u16 vss; /* Vert Sync Start */
+ volatile u16 vsc; /* Vert Sync Clear */
+ volatile u16 xcs;
+ volatile u16 xcc;
+ volatile u16 fsa; /* Fault Status Address */
+ volatile u16 adr; /* Address Registers */
+ u8 xxx1[0xce];
+ volatile u8 pcg[0x100]; /* Pixel Clock Generator */
+ volatile u32 vbr; /* Frame Base Row */
+ volatile u32 vmcr; /* VBC Master Control */
+ volatile u32 vcr; /* VBC refresh */
+ volatile u32 vca; /* VBC Config */
+};
+
+#define CG14_CCR_ENABLE 0x04
+#define CG14_CCR_SELECT 0x02 /* HW/Full screen */
+
+struct cg14_cursor {
+ volatile u32 cpl0[32]; /* Enable plane 0 */
+ volatile u32 cpl1[32]; /* Color selection plane */
+ volatile u8 ccr; /* Cursor Control Reg */
+ u8 xxx0[3];
+ volatile u16 cursx; /* Cursor x,y position */
+ volatile u16 cursy; /* Cursor x,y position */
+ volatile u32 color0;
+ volatile u32 color1;
+ u32 xxx1[0x1bc];
+ volatile u32 cpl0i[32]; /* Enable plane 0 autoinc */
+ volatile u32 cpl1i[32]; /* Color selection autoinc */
+};
+
+struct cg14_dac {
+ volatile u8 addr; /* Address Register */
+ u8 xxx0[255];
+ volatile u8 glut; /* Gamma table */
+ u8 xxx1[255];
+ volatile u8 select; /* Register Select */
+ u8 xxx2[255];
+ volatile u8 mode; /* Mode Register */
+};
+
+struct cg14_xlut{
+ volatile u8 x_xlut [256];
+ volatile u8 x_xlutd [256];
+ u8 xxx0[0x600];
+ volatile u8 x_xlut_inc [256];
+ volatile u8 x_xlutd_inc [256];
+};
+
+/* Color look up table (clut) */
+/* Each one of these arrays hold the color lookup table (for 256
+ * colors) for each MDI page (I assume then there should be 4 MDI
+ * pages, I still wonder what they are. I have seen NeXTStep split
+ * the screen in four parts, while operating in 24 bits mode. Each
+ * integer holds 4 values: alpha value (transparency channel, thanks
+ * go to John Stone (johns@umr.edu) from OpenBSD), red, green and blue
+ *
+ * I currently use the clut instead of the Xlut
+ */
+struct cg14_clut {
+ u32 c_clut [256];
+ u32 c_clutd [256]; /* i wonder what the 'd' is for */
+ u32 c_clut_inc [256];
+ u32 c_clutd_inc [256];
+};
+
+#define CG14_MMAP_ENTRIES 16
+
+struct cg14_par {
+ spinlock_t lock;
+ struct cg14_regs __iomem *regs;
+ struct cg14_clut __iomem *clut;
+ struct cg14_cursor __iomem *cursor;
+
+ u32 flags;
+#define CG14_FLAG_BLANKED 0x00000001
+
+ unsigned long physbase;
+ unsigned long iospace;
+ unsigned long fbsize;
+
+ struct sbus_mmap_map mmap_map[CG14_MMAP_ENTRIES];
+
+ int mode;
+ int ramsize;
+ struct sbus_dev *sdev;
+ struct list_head list;
+};
+
+static void __cg14_reset(struct cg14_par *par)
+{
+ struct cg14_regs __iomem *regs = par->regs;
+ u8 val;
+
+ val = sbus_readb(&regs->mcr);
+ val &= ~(CG14_MCR_PIXMODE_MASK);
+ sbus_writeb(val, &regs->mcr);
+}
+
+static int cg14_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct cg14_par *par = (struct cg14_par *) info->par;
+ unsigned long flags;
+
+ /* We just use this to catch switches out of
+ * graphics mode.
+ */
+ spin_lock_irqsave(&par->lock, flags);
+ __cg14_reset(par);
+ spin_unlock_irqrestore(&par->lock, flags);
+
+ if (var->xoffset || var->yoffset || var->vmode)
+ return -EINVAL;
+ return 0;
+}
+
+/**
+ * cg14_setcolreg - Optional function. Sets a color register.
+ * @regno: boolean, 0 copy local, 1 get_user() function
+ * @red: frame buffer colormap structure
+ * @green: The green value which can be up to 16 bits wide
+ * @blue: The blue value which can be up to 16 bits wide.
+ * @transp: If supported the alpha value which can be up to 16 bits wide.
+ * @info: frame buffer info structure
+ */
+static int cg14_setcolreg(unsigned regno,
+ unsigned red, unsigned green, unsigned blue,
+ unsigned transp, struct fb_info *info)
+{
+ struct cg14_par *par = (struct cg14_par *) info->par;
+ struct cg14_clut __iomem *clut = par->clut;
+ unsigned long flags;
+ u32 val;
+
+ if (regno >= 256)
+ return 1;
+
+ red >>= 8;
+ green >>= 8;
+ blue >>= 8;
+ val = (red | (green << 8) | (blue << 16));
+
+ spin_lock_irqsave(&par->lock, flags);
+ sbus_writel(val, &clut->c_clut[regno]);
+ spin_unlock_irqrestore(&par->lock, flags);
+
+ return 0;
+}
+
+static int cg14_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+{
+ struct cg14_par *par = (struct cg14_par *) info->par;
+
+ return sbusfb_mmap_helper(par->mmap_map,
+ par->physbase, par->fbsize,
+ par->iospace, vma);
+}
+
+static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg, struct fb_info *info)
+{
+ struct cg14_par *par = (struct cg14_par *) info->par;
+ struct cg14_regs __iomem *regs = par->regs;
+ struct mdi_cfginfo kmdi, __user *mdii;
+ unsigned long flags;
+ int cur_mode, mode, ret = 0;
+
+ switch (cmd) {
+ case MDI_RESET:
+ spin_lock_irqsave(&par->lock, flags);
+ __cg14_reset(par);
+ spin_unlock_irqrestore(&par->lock, flags);
+ break;
+
+ case MDI_GET_CFGINFO:
+ memset(&kmdi, 0, sizeof(kmdi));
+
+ spin_lock_irqsave(&par->lock, flags);
+ kmdi.mdi_type = FBTYPE_MDICOLOR;
+ kmdi.mdi_height = info->var.yres;
+ kmdi.mdi_width = info->var.xres;
+ kmdi.mdi_mode = par->mode;
+ kmdi.mdi_pixfreq = 72; /* FIXME */
+ kmdi.mdi_size = par->ramsize;
+ spin_unlock_irqrestore(&par->lock, flags);
+
+ mdii = (struct mdi_cfginfo __user *) arg;
+ if (copy_to_user(mdii, &kmdi, sizeof(kmdi)))
+ ret = -EFAULT;
+ break;
+
+ case MDI_SET_PIXELMODE:
+ if (get_user(mode, (int __user *) arg)) {
+ ret = -EFAULT;
+ break;
+ }
+
+ spin_lock_irqsave(&par->lock, flags);
+ cur_mode = sbus_readb(&regs->mcr);
+ cur_mode &= ~CG14_MCR_PIXMODE_MASK;
+ switch(mode) {
+ case MDI_32_PIX:
+ cur_mode |= (CG14_MCR_PIXMODE_32 <<
+ CG14_MCR_PIXMODE_SHIFT);
+ break;
+
+ case MDI_16_PIX:
+ cur_mode |= (CG14_MCR_PIXMODE_16 <<
+ CG14_MCR_PIXMODE_SHIFT);
+ break;
+
+ case MDI_8_PIX:
+ break;
+
+ default:
+ ret = -ENOSYS;
+ break;
+ };
+ if (!ret) {
+ sbus_writeb(cur_mode, &regs->mcr);
+ par->mode = mode;
+ }
+ spin_unlock_irqrestore(&par->lock, flags);
+ break;
+
+ default:
+ ret = sbusfb_ioctl_helper(cmd, arg, info,
+ FBTYPE_MDICOLOR, 8, par->fbsize);
+ break;
+ };
+
+ return ret;
+}
+
+/*
+ * Initialisation
+ */
+
+static void cg14_init_fix(struct fb_info *info, int linebytes)
+{
+ struct cg14_par *par = (struct cg14_par *)info->par;
+ const char *name;
+
+ name = "cgfourteen";
+ if (par->sdev)
+ name = par->sdev->prom_name;
+
+ strlcpy(info->fix.id, name, sizeof(info->fix.id));
+
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+
+ info->fix.line_length = linebytes;
+
+ info->fix.accel = FB_ACCEL_SUN_CG14;
+}
+
+static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __initdata = {
+ {
+ .voff = CG14_REGS,
+ .poff = 0x80000000,
+ .size = 0x1000
+ },
+ {
+ .voff = CG14_XLUT,
+ .poff = 0x80003000,
+ .size = 0x1000
+ },
+ {
+ .voff = CG14_CLUT1,
+ .poff = 0x80004000,
+ .size = 0x1000
+ },
+ {
+ .voff = CG14_CLUT2,
+ .poff = 0x80005000,
+ .size = 0x1000
+ },
+ {
+ .voff = CG14_CLUT3,
+ .poff = 0x80006000,
+ .size = 0x1000
+ },
+ {
+ .voff = CG3_MMAP_OFFSET - 0x7000,
+ .poff = 0x80000000,
+ .size = 0x7000
+ },
+ {
+ .voff = CG3_MMAP_OFFSET,
+ .poff = 0x00000000,
+ .size = SBUS_MMAP_FBSIZE(1)
+ },
+ {
+ .voff = MDI_CURSOR_MAP,
+ .poff = 0x80001000,
+ .size = 0x1000
+ },
+ {
+ .voff = MDI_CHUNKY_BGR_MAP,
+ .poff = 0x01000000,
+ .size = 0x400000
+ },
+ {
+ .voff = MDI_PLANAR_X16_MAP,
+ .poff = 0x02000000,
+ .size = 0x200000
+ },
+ {
+ .voff = MDI_PLANAR_C16_MAP,
+ .poff = 0x02800000,
+ .size = 0x200000
+ },
+ {
+ .voff = MDI_PLANAR_X32_MAP,
+ .poff = 0x03000000,
+ .size = 0x100000
+ },
+ {
+ .voff = MDI_PLANAR_B32_MAP,
+ .poff = 0x03400000,
+ .size = 0x100000
+ },
+ {
+ .voff = MDI_PLANAR_G32_MAP,
+ .poff = 0x03800000,
+ .size = 0x100000
+ },
+ {
+ .voff = MDI_PLANAR_R32_MAP,
+ .poff = 0x03c00000,
+ .size = 0x100000
+ },
+ { .size = 0 }
+};
+
+struct all_info {
+ struct fb_info info;
+ struct cg14_par par;
+ struct list_head list;
+};
+static LIST_HEAD(cg14_list);
+
+static void cg14_init_one(struct sbus_dev *sdev, int node, int parent_node)
+{
+ struct all_info *all;
+ unsigned long phys, rphys;
+ u32 bases[6];
+ int is_8mb, linebytes, i;
+
+ if (!sdev) {
+ if (prom_getproperty(node, "address",
+ (char *) &bases[0], sizeof(bases)) <= 0
+ || !bases[0]) {
+ printk(KERN_ERR "cg14: Device is not mapped.\n");
+ return;
+ }
+ if (__get_iospace(bases[0]) != __get_iospace(bases[1])) {
+ printk(KERN_ERR "cg14: I/O spaces don't match.\n");
+ return;
+ }
+ }
+
+ all = kmalloc(sizeof(*all), GFP_KERNEL);
+ if (!all) {
+ printk(KERN_ERR "cg14: Cannot allocate memory.\n");
+ return;
+ }
+ memset(all, 0, sizeof(*all));
+
+ INIT_LIST_HEAD(&all->list);
+
+ spin_lock_init(&all->par.lock);
+
+ sbusfb_fill_var(&all->info.var, node, 8);
+ all->info.var.red.length = 8;
+ all->info.var.green.length = 8;
+ all->info.var.blue.length = 8;
+
+ linebytes = prom_getintdefault(node, "linebytes",
+ all->info.var.xres);
+ all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
+
+ all->par.sdev = sdev;
+ if (sdev) {
+ rphys = sdev->reg_addrs[0].phys_addr;
+ all->par.physbase = phys = sdev->reg_addrs[1].phys_addr;
+ all->par.iospace = sdev->reg_addrs[0].which_io;
+
+ all->par.regs = sbus_ioremap(&sdev->resource[0], 0,
+ sizeof(struct cg14_regs),
+ "cg14 regs");
+ all->par.clut = sbus_ioremap(&sdev->resource[0], CG14_CLUT1,
+ sizeof(struct cg14_clut),
+ "cg14 clut");
+ all->par.cursor = sbus_ioremap(&sdev->resource[0], CG14_CURSORREGS,
+ sizeof(struct cg14_cursor),
+ "cg14 cursor");
+ all->info.screen_base = sbus_ioremap(&sdev->resource[1], 0,
+ all->par.fbsize, "cg14 ram");
+ } else {
+ rphys = __get_phys(bases[0]);
+ all->par.physbase = phys = __get_phys(bases[1]);
+ all->par.iospace = __get_iospace(bases[0]);
+ all->par.regs = (struct cg14_regs __iomem *)(unsigned long)bases[0];
+ all->par.clut = (struct cg14_clut __iomem *)((unsigned long)bases[0] +
+ CG14_CLUT1);
+ all->par.cursor =
+ (struct cg14_cursor __iomem *)((unsigned long)bases[0] +
+ CG14_CURSORREGS);
+
+ all->info.screen_base = (char __iomem *)(unsigned long)bases[1];
+ }
+
+ prom_getproperty(node, "reg", (char *) &bases[0], sizeof(bases));
+ is_8mb = (bases[5] == 0x800000);
+
+ if (sizeof(all->par.mmap_map) != sizeof(__cg14_mmap_map)) {
+ extern void __cg14_mmap_sized_wrongly(void);
+
+ __cg14_mmap_sized_wrongly();
+ }
+
+ memcpy(&all->par.mmap_map, &__cg14_mmap_map, sizeof(all->par.mmap_map));
+ for (i = 0; i < CG14_MMAP_ENTRIES; i++) {
+ struct sbus_mmap_map *map = &all->par.mmap_map[i];
+
+ if (!map->size)
+ break;
+ if (map->poff & 0x80000000)
+ map->poff = (map->poff & 0x7fffffff) + rphys - phys;
+ if (is_8mb &&
+ map->size >= 0x100000 &&
+ map->size <= 0x400000)
+ map->size *= 2;
+ }
+
+ all->par.mode = MDI_8_PIX;
+ all->par.ramsize = (is_8mb ? 0x800000 : 0x400000);
+
+ all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+ all->info.fbops = &cg14_ops;
+ all->info.par = &all->par;
+
+ __cg14_reset(&all->par);
+
+ if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
+ printk(KERN_ERR "cg14: Could not allocate color map.\n");
+ kfree(all);
+ return;
+ }
+ fb_set_cmap(&all->info.cmap, &all->info);
+
+ cg14_init_fix(&all->info, linebytes);
+
+ if (register_framebuffer(&all->info) < 0) {
+ printk(KERN_ERR "cg14: Could not register framebuffer.\n");
+ fb_dealloc_cmap(&all->info.cmap);
+ kfree(all);
+ return;
+ }
+
+ list_add(&all->list, &cg14_list);
+
+ printk("cg14: cgfourteen at %lx:%lx, %dMB\n",
+ all->par.iospace, all->par.physbase, all->par.ramsize >> 20);
+
+}
+
+int __init cg14_init(void)
+{
+ struct sbus_bus *sbus;
+ struct sbus_dev *sdev;
+
+ if (fb_get_options("cg14fb", NULL))
+ return -ENODEV;
+
+#ifdef CONFIG_SPARC32
+ {
+ int root, node;
+
+ root = prom_getchild(prom_root_node);
+ root = prom_searchsiblings(root, "obio");
+ if (root) {
+ node = prom_searchsiblings(prom_getchild(root),
+ "cgfourteen");
+ if (node)
+ cg14_init_one(NULL, node, root);
+ }
+ }
+#endif
+ for_all_sbusdev(sdev, sbus) {
+ if (!strcmp(sdev->prom_name, "cgfourteen"))
+ cg14_init_one(sdev, sdev->prom_node, sbus->prom_node);
+ }
+
+ return 0;
+}
+
+void __exit cg14_exit(void)
+{
+ struct list_head *pos, *tmp;
+
+ list_for_each_safe(pos, tmp, &cg14_list) {
+ struct all_info *all = list_entry(pos, typeof(*all), list);
+
+ unregister_framebuffer(&all->info);
+ fb_dealloc_cmap(&all->info.cmap);
+ kfree(all);
+ }
+}
+
+int __init
+cg14_setup(char *arg)
+{
+ /* No cmdline options yet... */
+ return 0;
+}
+
+module_init(cg14_init);
+
+#ifdef MODULE
+module_exit(cg14_exit);
+#endif
+
+MODULE_DESCRIPTION("framebuffer driver for CGfourteen chipsets");
+MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
+MODULE_LICENSE("GPL");