#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/screen_info.h>
#include <asm/io.h>
#include <video/vga.h>
-#define GRAPHICS_ADDR_REG VGA_GFX_I /* Graphics address register. */
-#define GRAPHICS_DATA_REG VGA_GFX_D /* Graphics data register. */
-
-#define SET_RESET_INDEX VGA_GFX_SR_VALUE /* Set/Reset Register index. */
-#define ENABLE_SET_RESET_INDEX VGA_GFX_SR_ENABLE /* Enable Set/Reset Register index. */
-#define DATA_ROTATE_INDEX VGA_GFX_DATA_ROTATE /* Data Rotate Register index. */
-#define GRAPHICS_MODE_INDEX VGA_GFX_MODE /* Graphics Mode Register index. */
-#define BIT_MASK_INDEX VGA_GFX_BIT_MASK /* Bit Mask Register index. */
-
-#define dac_reg (VGA_PEL_IW)
-#define dac_val (VGA_PEL_D)
-
#define VGA_FB_PHYS 0xA0000
#define VGA_FB_PHYS_LEN 65536
* card parameters
*/
-static struct fb_info vga16fb;
-
-static struct vga16fb_par {
+struct vga16fb_par {
/* structure holding original VGA register settings when the
screen is blanked */
struct {
- unsigned char SeqCtrlIndex; /* Sequencer Index reg. */
- unsigned char CrtCtrlIndex; /* CRT-Contr. Index reg. */
- unsigned char CrtMiscIO; /* Miscellaneous register */
- unsigned char HorizontalTotal; /* CRT-Controller:00h */
- unsigned char HorizDisplayEnd; /* CRT-Controller:01h */
- unsigned char StartHorizRetrace; /* CRT-Controller:04h */
- unsigned char EndHorizRetrace; /* CRT-Controller:05h */
- unsigned char Overflow; /* CRT-Controller:07h */
- unsigned char StartVertRetrace; /* CRT-Controller:10h */
- unsigned char EndVertRetrace; /* CRT-Controller:11h */
- unsigned char ModeControl; /* CRT-Controller:17h */
- unsigned char ClockingMode; /* Seq-Controller:01h */
+ unsigned char SeqCtrlIndex; /* Sequencer Index reg. */
+ unsigned char CrtCtrlIndex; /* CRT-Contr. Index reg. */
+ unsigned char CrtMiscIO; /* Miscellaneous register */
+ unsigned char HorizontalTotal; /* CRT-Controller:00h */
+ unsigned char HorizDisplayEnd; /* CRT-Controller:01h */
+ unsigned char StartHorizRetrace;/* CRT-Controller:04h */
+ unsigned char EndHorizRetrace; /* CRT-Controller:05h */
+ unsigned char Overflow; /* CRT-Controller:07h */
+ unsigned char StartVertRetrace; /* CRT-Controller:10h */
+ unsigned char EndVertRetrace; /* CRT-Controller:11h */
+ unsigned char ModeControl; /* CRT-Controller:17h */
+ unsigned char ClockingMode; /* Seq-Controller:01h */
} vga_state;
struct vgastate state;
- atomic_t ref_count;
+ unsigned int ref_count;
int palette_blanked, vesa_blanked, mode, isVGA;
u8 misc, pel_msk, vss, clkdiv;
u8 crtc[VGA_CRT_C];
-} vga16_par;
+};
/* --------------------------------------------------------------------- */
-static struct fb_var_screeninfo vga16fb_defined = {
+static struct fb_var_screeninfo vga16fb_defined __initdata = {
.xres = 640,
.yres = 480,
.xres_virtual = 640,
.visual = FB_VISUAL_PSEUDOCOLOR,
.xpanstep = 8,
.ypanstep = 1,
- .line_length = 640/8,
+ .line_length = 640 / 8,
.accel = FB_ACCEL_NONE
};
{
int oldmode;
- vga_io_w(GRAPHICS_ADDR_REG, GRAPHICS_MODE_INDEX);
- oldmode = vga_io_r(GRAPHICS_DATA_REG);
- vga_io_w(GRAPHICS_DATA_REG, mode);
+ oldmode = vga_io_rgfx(VGA_GFX_MODE);
+ vga_io_w(VGA_GFX_D, mode);
return oldmode;
}
/* Select the Bit Mask Register and return its value. */
static inline int selectmask(void)
{
- return vga_io_rgfx(BIT_MASK_INDEX);
+ return vga_io_rgfx(VGA_GFX_BIT_MASK);
}
/* Set the value of the Bit Mask Register. It must already have been
selected with selectmask(). */
static inline void setmask(int mask)
{
- vga_io_w(GRAPHICS_DATA_REG, mask);
+ vga_io_w(VGA_GFX_D, mask);
}
/* Set the Data Rotate Register and return its old value.
{
int oldop;
- vga_io_w(GRAPHICS_ADDR_REG, DATA_ROTATE_INDEX);
- oldop = vga_io_r(GRAPHICS_DATA_REG);
- vga_io_w(GRAPHICS_DATA_REG, op);
+ oldop = vga_io_rgfx(VGA_GFX_DATA_ROTATE);
+ vga_io_w(VGA_GFX_D, op);
return oldop;
}
{
int oldsr;
- vga_io_w(GRAPHICS_ADDR_REG, ENABLE_SET_RESET_INDEX);
- oldsr = vga_io_r(GRAPHICS_DATA_REG);
- vga_io_w(GRAPHICS_DATA_REG, sr);
+ oldsr = vga_io_rgfx(VGA_GFX_SR_ENABLE);
+ vga_io_w(VGA_GFX_D, sr);
return oldsr;
}
{
int oldcolor;
- vga_io_w(GRAPHICS_ADDR_REG, SET_RESET_INDEX);
- oldcolor = vga_io_r(GRAPHICS_DATA_REG);
- vga_io_w(GRAPHICS_DATA_REG, color);
+ oldcolor = vga_io_rgfx(VGA_GFX_SR_VALUE);
+ vga_io_w(VGA_GFX_D, color);
return oldcolor;
}
/* Return the value in the Graphics Address Register. */
static inline int getindex(void)
{
- return vga_io_r(GRAPHICS_ADDR_REG);
+ return vga_io_r(VGA_GFX_I);
}
/* Set the value in the Graphics Address Register. */
static inline void setindex(int index)
{
- vga_io_w(GRAPHICS_ADDR_REG, index);
+ vga_io_w(VGA_GFX_I, index);
}
static void vga16fb_pan_var(struct fb_info *info,
struct fb_var_screeninfo *var)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
u32 xoffset, pos;
xoffset = var->xoffset;
const struct fb_info *info,
int mul, int div)
{
- static struct {
+ static const struct {
u32 pixclock;
u8 misc;
u8 seq_clock_mode;
static int vga16fb_open(struct fb_info *info, int user)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
- int cnt = atomic_read(&par->ref_count);
+ struct vga16fb_par *par = info->par;
- if (!cnt) {
+ if (!par->ref_count) {
memset(&par->state, 0, sizeof(struct vgastate));
par->state.flags = VGA_SAVE_FONTS | VGA_SAVE_MODE |
VGA_SAVE_CMAP;
save_vga(&par->state);
}
- atomic_inc(&par->ref_count);
+ par->ref_count++;
+
return 0;
}
static int vga16fb_release(struct fb_info *info, int user)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
- int cnt = atomic_read(&par->ref_count);
+ struct vga16fb_par *par = info->par;
- if (!cnt)
+ if (!par->ref_count)
return -EINVAL;
- if (cnt == 1)
+
+ if (par->ref_count == 1)
restore_vga(&par->state);
- atomic_dec(&par->ref_count);
+ par->ref_count--;
return 0;
}
static int vga16fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
u32 xres, right, hslen, left, xtotal;
u32 yres, lower, vslen, upper, ytotal;
u32 vxres, xoffset, vyres, yoffset;
static int vga16fb_set_par(struct fb_info *info)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
u8 gdc[VGA_GFX_C];
u8 seq[VGA_SEQ_C];
u8 atc[VGA_ATT_C];
static void ega16_setpalette(int regno, unsigned red, unsigned green, unsigned blue)
{
- static unsigned char map[] = { 000, 001, 010, 011 };
+ static const unsigned char map[] = { 000, 001, 010, 011 };
int val;
if (regno >= 16)
static void vga16_setpalette(int regno, unsigned red, unsigned green, unsigned blue)
{
- outb(regno, dac_reg);
- outb(red >> 10, dac_val);
- outb(green >> 10, dac_val);
- outb(blue >> 10, dac_val);
+ outb(regno, VGA_PEL_IW);
+ outb(red >> 10, VGA_PEL_D);
+ outb(green >> 10, VGA_PEL_D);
+ outb(blue >> 10, VGA_PEL_D);
}
static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *info)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
int gray;
/*
static int vga16fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- if (var->xoffset + info->var.xres > info->var.xres_virtual ||
- var->yoffset + info->var.yres > info->var.yres_virtual)
- return -EINVAL;
-
vga16fb_pan_var(info, var);
-
- info->var.xoffset = var->xoffset;
- info->var.yoffset = var->yoffset;
- info->var.vmode &= ~FB_VMODE_YWRAP;
return 0;
}
blanking code was originally by Huang shi chao, and modified by
Christoph Rimek (chrimek@toppoint.de) and todd j. derr
(tjd@barefoot.org) for Linux. */
-#define attrib_port VGA_ATC_IW
-#define seq_port_reg VGA_SEQ_I
-#define seq_port_val VGA_SEQ_D
-#define gr_port_reg VGA_GFX_I
-#define gr_port_val VGA_GFX_D
-#define video_misc_rd VGA_MIS_R
-#define video_misc_wr VGA_MIS_W
-#define vga_video_port_reg VGA_CRT_IC
-#define vga_video_port_val VGA_CRT_DC
static void vga_vesa_blank(struct vga16fb_par *par, int mode)
{
- unsigned char SeqCtrlIndex;
- unsigned char CrtCtrlIndex;
+ unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
+ unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
- //cli();
- SeqCtrlIndex = vga_io_r(seq_port_reg);
- CrtCtrlIndex = vga_io_r(vga_video_port_reg);
-
/* save original values of VGA controller registers */
if(!par->vesa_blanked) {
- par->vga_state.CrtMiscIO = vga_io_r(video_misc_rd);
+ par->vga_state.CrtMiscIO = vga_io_r(VGA_MIS_R);
//sti();
par->vga_state.HorizontalTotal = vga_io_rcrt(0x00); /* HorizontalTotal */
/* assure that video is enabled */
/* "0x20" is VIDEO_ENABLE_bit in register 01 of sequencer */
- //cli();
vga_io_wseq(0x01, par->vga_state.ClockingMode | 0x20);
/* test for vertical retrace in process.... */
if ((par->vga_state.CrtMiscIO & 0x80) == 0x80)
- vga_io_w(video_misc_wr, par->vga_state.CrtMiscIO & 0xef);
+ vga_io_w(VGA_MIS_W, par->vga_state.CrtMiscIO & 0xef);
/*
* Set <End of vertical retrace> to minimum (0) and
* Result: turn off vertical sync (VSync) pulse.
*/
if (mode & FB_BLANK_VSYNC_SUSPEND) {
- outb_p(0x10,vga_video_port_reg); /* StartVertRetrace */
- outb_p(0xff,vga_video_port_val); /* maximum value */
- outb_p(0x11,vga_video_port_reg); /* EndVertRetrace */
- outb_p(0x40,vga_video_port_val); /* minimum (bits 0..3) */
- outb_p(0x07,vga_video_port_reg); /* Overflow */
- outb_p(par->vga_state.Overflow | 0x84,vga_video_port_val); /* bits 9,10 of vert. retrace */
+ vga_io_wcrt(VGA_CRTC_V_SYNC_START, 0xff);
+ vga_io_wcrt(VGA_CRTC_V_SYNC_END, 0x40);
+ /* bits 9,10 of vert. retrace */
+ vga_io_wcrt(VGA_CRTC_OVERFLOW, par->vga_state.Overflow | 0x84);
}
if (mode & FB_BLANK_HSYNC_SUSPEND) {
* <Start of horizontal Retrace> to maximum
* Result: turn off horizontal sync (HSync) pulse.
*/
- outb_p(0x04,vga_video_port_reg); /* StartHorizRetrace */
- outb_p(0xff,vga_video_port_val); /* maximum */
- outb_p(0x05,vga_video_port_reg); /* EndHorizRetrace */
- outb_p(0x00,vga_video_port_val); /* minimum (0) */
+ vga_io_wcrt(VGA_CRTC_H_SYNC_START, 0xff);
+ vga_io_wcrt(VGA_CRTC_H_SYNC_END, 0x00);
}
/* restore both index registers */
- outb_p(SeqCtrlIndex,seq_port_reg);
- outb_p(CrtCtrlIndex,vga_video_port_reg);
- //sti();
+ outb_p(SeqCtrlIndex, VGA_SEQ_I);
+ outb_p(CrtCtrlIndex, VGA_CRT_IC);
}
static void vga_vesa_unblank(struct vga16fb_par *par)
{
- unsigned char SeqCtrlIndex;
- unsigned char CrtCtrlIndex;
+ unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
+ unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
- //cli();
- SeqCtrlIndex = vga_io_r(seq_port_reg);
- CrtCtrlIndex = vga_io_r(vga_video_port_reg);
-
/* restore original values of VGA controller registers */
- vga_io_w(video_misc_wr, par->vga_state.CrtMiscIO);
+ vga_io_w(VGA_MIS_W, par->vga_state.CrtMiscIO);
/* HorizontalTotal */
vga_io_wcrt(0x00, par->vga_state.HorizontalTotal);
vga_io_wseq(0x01, par->vga_state.ClockingMode);
/* restore index/control registers */
- vga_io_w(seq_port_reg, SeqCtrlIndex);
- vga_io_w(vga_video_port_reg, CrtCtrlIndex);
- //sti();
+ vga_io_w(VGA_SEQ_I, SeqCtrlIndex);
+ vga_io_w(VGA_CRT_IC, CrtCtrlIndex);
}
static void vga_pal_blank(void)
int i;
for (i=0; i<16; i++) {
- outb_p (i, dac_reg) ;
- outb_p (0, dac_val) ;
- outb_p (0, dac_val) ;
- outb_p (0, dac_val) ;
+ outb_p(i, VGA_PEL_IW);
+ outb_p(0, VGA_PEL_D);
+ outb_p(0, VGA_PEL_D);
+ outb_p(0, VGA_PEL_D);
}
}
/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
static int vga16fb_blank(int blank, struct fb_info *info)
{
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
switch (blank) {
case FB_BLANK_UNBLANK: /* Unblank */
width = x2 - dx;
height = y2 - dy;
+ if (sx + dx < old_dx || sy + dy < old_dy)
+ return;
+
/* update sx1,sy1 */
sx += (dx - old_dx);
sy += (dy - old_dy);
/* the source must be completely inside the virtual screen */
- if (sx < 0 || sy < 0 || (sx + width) > vxres || (sy + height) > vyres)
+ if (sx + width > vxres || sy + height > vyres)
return;
switch (info->fix.type) {
}
}
-#ifdef __LITTLE_ENDIAN
-static unsigned int transl_l[] =
-{0x0,0x8,0x4,0xC,0x2,0xA,0x6,0xE,0x1,0x9,0x5,0xD,0x3,0xB,0x7,0xF};
-static unsigned int transl_h[] =
-{0x000, 0x800, 0x400, 0xC00, 0x200, 0xA00, 0x600, 0xE00,
- 0x100, 0x900, 0x500, 0xD00, 0x300, 0xB00, 0x700, 0xF00};
-#else
-#ifdef __BIG_ENDIAN
-static unsigned int transl_h[] =
-{0x0,0x8,0x4,0xC,0x2,0xA,0x6,0xE,0x1,0x9,0x5,0xD,0x3,0xB,0x7,0xF};
-static unsigned int transl_l[] =
-{0x000, 0x800, 0x400, 0xC00, 0x200, 0xA00, 0x600, 0xE00,
- 0x100, 0x900, 0x500, 0xD00, 0x300, 0xB00, 0x700, 0xF00};
+#define TRANS_MASK_LOW {0x0,0x8,0x4,0xC,0x2,0xA,0x6,0xE,0x1,0x9,0x5,0xD,0x3,0xB,0x7,0xF}
+#define TRANS_MASK_HIGH {0x000, 0x800, 0x400, 0xC00, 0x200, 0xA00, 0x600, 0xE00, \
+ 0x100, 0x900, 0x500, 0xD00, 0x300, 0xB00, 0x700, 0xF00}
+
+#if defined(__LITTLE_ENDIAN)
+static const u16 transl_l[] = TRANS_MASK_LOW;
+static const u16 transl_h[] = TRANS_MASK_HIGH;
+#elif defined(__BIG_ENDIAN)
+static const u16 transl_l[] = TRANS_MASK_HIGH;
+static const u16 transl_h[] = TRANS_MASK_LOW;
#else
#error "Only __BIG_ENDIAN and __LITTLE_ENDIAN are supported in vga-planes"
#endif
-#endif
static void vga_8planes_imageblit(struct fb_info *info, const struct fb_image *image)
{
{
char __iomem *where = info->screen_base + (image->dx/8) +
image->dy * info->fix.line_length;
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
char *cdat = (char *) image->data;
char __iomem *dst;
int x, y;
/*
* Draw logo
*/
- struct vga16fb_par *par = (struct vga16fb_par *) info->par;
+ struct vga16fb_par *par = info->par;
char __iomem *where =
info->screen_base + image->dy * info->fix.line_length +
image->dx/8;
.fb_fillrect = vga16fb_fillrect,
.fb_copyarea = vga16fb_copyarea,
.fb_imageblit = vga16fb_imageblit,
- .fb_cursor = soft_cursor,
};
#ifndef MODULE
}
#endif
-static int __init vga16fb_init(void)
+static int __init vga16fb_probe(struct platform_device *dev)
{
+ struct fb_info *info;
+ struct vga16fb_par *par;
int i;
- int ret;
-#ifndef MODULE
- char *option = NULL;
-
- if (fb_get_options("vga16fb", &option))
- return -ENODEV;
+ int ret = 0;
- vga16fb_setup(option);
-#endif
printk(KERN_DEBUG "vga16fb: initializing\n");
+ info = framebuffer_alloc(sizeof(struct vga16fb_par), &dev->dev);
+
+ if (!info) {
+ ret = -ENOMEM;
+ goto err_fb_alloc;
+ }
/* XXX share VGA_FB_PHYS and I/O region with vgacon and others */
+ info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS, 0);
- vga16fb.screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS);
- if (!vga16fb.screen_base) {
+ if (!info->screen_base) {
printk(KERN_ERR "vga16fb: unable to map device\n");
ret = -ENOMEM;
goto err_ioremap;
}
- printk(KERN_INFO "vga16fb: mapped to 0x%p\n", vga16fb.screen_base);
- vga16_par.isVGA = ORIG_VIDEO_ISVGA;
- vga16_par.palette_blanked = 0;
- vga16_par.vesa_blanked = 0;
+ printk(KERN_INFO "vga16fb: mapped to 0x%p\n", info->screen_base);
+ par = info->par;
+
+ par->isVGA = screen_info.orig_video_isVGA;
+ par->palette_blanked = 0;
+ par->vesa_blanked = 0;
- i = vga16_par.isVGA? 6 : 2;
+ i = par->isVGA? 6 : 2;
vga16fb_defined.red.length = i;
vga16fb_defined.green.length = i;
vga16fb_defined.blue.length = i;
/* name should not depend on EGA/VGA */
- vga16fb.fbops = &vga16fb_ops;
- vga16fb.var = vga16fb_defined;
- vga16fb.fix = vga16fb_fix;
- vga16fb.par = &vga16_par;
- vga16fb.flags = FBINFO_FLAG_DEFAULT |
+ info->fbops = &vga16fb_ops;
+ info->var = vga16fb_defined;
+ info->fix = vga16fb_fix;
+ /* supports rectangles with widths of multiples of 8 */
+ info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31;
+ info->flags = FBINFO_FLAG_DEFAULT |
FBINFO_HWACCEL_YPAN;
- i = (vga16fb_defined.bits_per_pixel == 8) ? 256 : 16;
- ret = fb_alloc_cmap(&vga16fb.cmap, i, 0);
+ i = (info->var.bits_per_pixel == 8) ? 256 : 16;
+ ret = fb_alloc_cmap(&info->cmap, i, 0);
if (ret) {
printk(KERN_ERR "vga16fb: unable to allocate colormap\n");
ret = -ENOMEM;
goto err_alloc_cmap;
}
- if (vga16fb_check_var(&vga16fb.var, &vga16fb)) {
+ if (vga16fb_check_var(&info->var, info)) {
printk(KERN_ERR "vga16fb: unable to validate variable\n");
ret = -EINVAL;
goto err_check_var;
}
- vga16fb_update_fix(&vga16fb);
+ vga16fb_update_fix(info);
- if (register_framebuffer(&vga16fb) < 0) {
+ if (register_framebuffer(info) < 0) {
printk(KERN_ERR "vga16fb: unable to register framebuffer\n");
ret = -EINVAL;
goto err_check_var;
}
printk(KERN_INFO "fb%d: %s frame buffer device\n",
- vga16fb.node, vga16fb.fix.id);
+ info->node, info->fix.id);
+ platform_set_drvdata(dev, info);
return 0;
err_check_var:
- fb_dealloc_cmap(&vga16fb.cmap);
+ fb_dealloc_cmap(&info->cmap);
err_alloc_cmap:
- iounmap(vga16fb.screen_base);
+ iounmap(info->screen_base);
err_ioremap:
+ framebuffer_release(info);
+ err_fb_alloc:
+ return ret;
+}
+
+static int vga16fb_remove(struct platform_device *dev)
+{
+ struct fb_info *info = platform_get_drvdata(dev);
+
+ if (info) {
+ unregister_framebuffer(info);
+ iounmap(info->screen_base);
+ fb_dealloc_cmap(&info->cmap);
+ /* XXX unshare VGA regions */
+ framebuffer_release(info);
+ }
+
+ return 0;
+}
+
+static struct platform_driver vga16fb_driver = {
+ .probe = vga16fb_probe,
+ .remove = vga16fb_remove,
+ .driver = {
+ .name = "vga16fb",
+ },
+};
+
+static struct platform_device *vga16fb_device;
+
+static int __init vga16fb_init(void)
+{
+ int ret;
+#ifndef MODULE
+ char *option = NULL;
+
+ if (fb_get_options("vga16fb", &option))
+ return -ENODEV;
+
+ vga16fb_setup(option);
+#endif
+ ret = platform_driver_register(&vga16fb_driver);
+
+ if (!ret) {
+ vga16fb_device = platform_device_alloc("vga16fb", 0);
+
+ if (vga16fb_device)
+ ret = platform_device_add(vga16fb_device);
+ else
+ ret = -ENOMEM;
+
+ if (ret) {
+ platform_device_put(vga16fb_device);
+ platform_driver_unregister(&vga16fb_driver);
+ }
+ }
+
return ret;
}
static void __exit vga16fb_exit(void)
{
- unregister_framebuffer(&vga16fb);
- iounmap(vga16fb.screen_base);
- fb_dealloc_cmap(&vga16fb.cmap);
- /* XXX unshare VGA regions */
+ platform_device_unregister(vga16fb_device);
+ platform_driver_unregister(&vga16fb_driver);
}
+MODULE_DESCRIPTION("Legacy VGA framebuffer device driver");
MODULE_LICENSE("GPL");
module_init(vga16fb_init);
module_exit(vga16fb_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff