* for more details.
*/
-#include <linux/config.h>
#include <linux/module.h>
+#include <linux/compat.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/mman.h>
-#include <linux/tty.h>
+#include <linux/vt.h>
#include <linux/init.h>
#include <linux/linux_logo.h>
#include <linux/proc_fs.h>
#ifdef CONFIG_KMOD
#include <linux/kmod.h>
#endif
-#include <linux/devfs_fs_kernel.h>
#include <linux/err.h>
-#include <linux/kernel.h>
#include <linux/device.h>
+#include <linux/efi.h>
#if defined(__mc68000__) || defined(CONFIG_APUS)
#include <asm/setup.h>
* Frame buffer device initialization and setup routines
*/
-#define FBPIXMAPSIZE 16384
+#define FBPIXMAPSIZE (1024 * 8)
-static struct notifier_block *fb_notifier_list;
-struct fb_info *registered_fb[FB_MAX];
-int num_registered_fb;
+struct fb_info *registered_fb[FB_MAX] __read_mostly;
+int num_registered_fb __read_mostly;
/*
* Helpers
*/
-int fb_get_color_depth(struct fb_info *info)
+int fb_get_color_depth(struct fb_var_screeninfo *var,
+ struct fb_fix_screeninfo *fix)
{
- struct fb_var_screeninfo *var = &info->var;
+ int depth = 0;
+
+ if (fix->visual == FB_VISUAL_MONO01 ||
+ fix->visual == FB_VISUAL_MONO10)
+ depth = 1;
+ else {
+ if (var->green.length == var->blue.length &&
+ var->green.length == var->red.length &&
+ var->green.offset == var->blue.offset &&
+ var->green.offset == var->red.offset)
+ depth = var->green.length;
+ else
+ depth = var->green.length + var->red.length +
+ var->blue.length;
+ }
- if (var->green.length == var->blue.length &&
- var->green.length == var->red.length &&
- !var->green.offset && !var->blue.offset &&
- !var->red.offset)
- return var->green.length;
- else
- return (var->green.length + var->red.length +
- var->blue.length);
+ return depth;
}
EXPORT_SYMBOL(fb_get_color_depth);
/*
- * Drawing helpers.
+ * Data padding functions.
*/
-void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
- u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
- u32 height)
-{
- int i;
-
- for (i = height; i--; ) {
- buf->outbuf(info, dst, src, s_pitch);
- src += s_pitch;
- dst += d_pitch;
- }
-}
-
-void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
- u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
- u32 height)
+void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height)
{
- int i, j;
-
- for (i = height; i--; ) {
- for (j = 0; j < s_pitch; j++)
- dst[j] = src[j];
- src += s_pitch;
- dst += d_pitch;
- }
+ __fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, height);
}
+EXPORT_SYMBOL(fb_pad_aligned_buffer);
-void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
- u8 *dst, u32 d_pitch, u8 *src, u32 idx,
- u32 height, u32 shift_high, u32 shift_low,
- u32 mod)
-{
- u8 mask = (u8) (0xfff << shift_high), tmp;
- int i, j;
-
- for (i = height; i--; ) {
- for (j = 0; j < idx; j++) {
- tmp = buf->inbuf(info, dst+j);
- tmp &= mask;
- tmp |= *src >> shift_low;
- buf->outbuf(info, dst+j, &tmp, 1);
- tmp = *src << shift_high;
- buf->outbuf(info, dst+j+1, &tmp, 1);
- src++;
- }
- tmp = buf->inbuf(info, dst+idx);
- tmp &= mask;
- tmp |= *src >> shift_low;
- buf->outbuf(info, dst+idx, &tmp, 1);
- if (shift_high < mod) {
- tmp = *src << shift_high;
- buf->outbuf(info, dst+idx+1, &tmp, 1);
- }
- src++;
- dst += d_pitch;
- }
-}
-
-void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
- u8 *dst, u32 d_pitch, u8 *src, u32 idx,
- u32 height, u32 shift_high, u32 shift_low,
- u32 mod)
+void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, u32 height,
+ u32 shift_high, u32 shift_low, u32 mod)
{
u8 mask = (u8) (0xfff << shift_high), tmp;
int i, j;
dst += d_pitch;
}
}
+EXPORT_SYMBOL(fb_pad_unaligned_buffer);
/*
* we need to lock this section since fb_cursor
}
#ifdef CONFIG_LOGO
-#include <linux/linux_logo.h>
static inline unsigned safe_shift(unsigned d, int n)
{
const struct linux_logo *logo,
u32 *palette)
{
- unsigned char mask[9] = { 0,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff };
+ static const unsigned char mask[] = { 0,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff };
unsigned char redmask, greenmask, bluemask;
int redshift, greenshift, blueshift;
int i;
const struct linux_logo *logo, u8 *dst,
int depth)
{
- int i, j, k, fg = 1;
+ int i, j, k;
const u8 *src = logo->data;
- u8 d, xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+ u8 xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+ u8 fg = 1, d;
- if (fb_get_color_depth(info) == 3)
+ if (fb_get_color_depth(&info->var, &info->fix) == 3)
fg = 7;
+ if (info->fix.visual == FB_VISUAL_MONO01 ||
+ info->fix.visual == FB_VISUAL_MONO10)
+ fg = ~((u8) (0xfff << info->var.green.length));
+
switch (depth) {
case 4:
for (i = 0; i < logo->height; i++)
int needs_truepalette;
int needs_cmapreset;
const struct linux_logo *logo;
-} fb_logo;
+} fb_logo __read_mostly;
+
+static void fb_rotate_logo_ud(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ u32 size = width * height, i;
+
+ out += size - 1;
+
+ for (i = size; i--; )
+ *out-- = *in++;
+}
+
+static void fb_rotate_logo_cw(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ int i, j, h = height - 1;
+
+ for (i = 0; i < height; i++)
+ for (j = 0; j < width; j++)
+ out[height * j + h - i] = *in++;
+}
+
+static void fb_rotate_logo_ccw(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ int i, j, w = width - 1;
+
+ for (i = 0; i < height; i++)
+ for (j = 0; j < width; j++)
+ out[height * (w - j) + i] = *in++;
+}
-int fb_prepare_logo(struct fb_info *info)
+static void fb_rotate_logo(struct fb_info *info, u8 *dst,
+ struct fb_image *image, int rotate)
{
- int depth = fb_get_color_depth(info);
+ u32 tmp;
+
+ if (rotate == FB_ROTATE_UD) {
+ fb_rotate_logo_ud(image->data, dst, image->width,
+ image->height);
+ image->dx = info->var.xres - image->width;
+ image->dy = info->var.yres - image->height;
+ } else if (rotate == FB_ROTATE_CW) {
+ fb_rotate_logo_cw(image->data, dst, image->width,
+ image->height);
+ tmp = image->width;
+ image->width = image->height;
+ image->height = tmp;
+ image->dx = info->var.xres - image->width;
+ } else if (rotate == FB_ROTATE_CCW) {
+ fb_rotate_logo_ccw(image->data, dst, image->width,
+ image->height);
+ tmp = image->width;
+ image->width = image->height;
+ image->height = tmp;
+ image->dy = info->var.yres - image->height;
+ }
+
+ image->data = dst;
+}
+
+static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
+ int rotate)
+{
+ int x;
+
+ if (rotate == FB_ROTATE_UR) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.xres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dx += fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_UD) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.xres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dx -= fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_CW) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.yres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dy += fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_CCW) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.yres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dy -= fb_logo.logo->width + 8;
+ }
+ }
+}
+
+int fb_prepare_logo(struct fb_info *info, int rotate)
+{
+ int depth = fb_get_color_depth(&info->var, &info->fix);
+ int yres;
memset(&fb_logo, 0, sizeof(struct logo_data));
+ if (info->flags & FBINFO_MISC_TILEBLITTING)
+ return 0;
+
if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
depth = info->var.blue.length;
if (info->var.red.length < depth)
depth = info->var.green.length;
}
+ if (info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR && depth > 4) {
+ /* assume console colormap */
+ depth = 4;
+ }
+
if (depth >= 8) {
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
/* Return if no suitable logo was found */
fb_logo.logo = fb_find_logo(depth);
+
+ if (!fb_logo.logo) {
+ return 0;
+ }
- if (!fb_logo.logo || fb_logo.logo->height > info->var.yres) {
+ if (rotate == FB_ROTATE_UR || rotate == FB_ROTATE_UD)
+ yres = info->var.yres;
+ else
+ yres = info->var.xres;
+
+ if (fb_logo.logo->height > yres) {
fb_logo.logo = NULL;
return 0;
}
+
/* What depth we asked for might be different from what we get */
if (fb_logo.logo->type == LINUX_LOGO_CLUT224)
fb_logo.depth = 8;
return fb_logo.logo->height;
}
-int fb_show_logo(struct fb_info *info)
+int fb_show_logo(struct fb_info *info, int rotate)
{
u32 *palette = NULL, *saved_pseudo_palette = NULL;
- unsigned char *logo_new = NULL;
+ unsigned char *logo_new = NULL, *logo_rotate = NULL;
struct fb_image image;
- int x;
/* Return if the frame buffer is not mapped or suspended */
if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING)
logo_new = kmalloc(fb_logo.logo->width * fb_logo.logo->height,
GFP_KERNEL);
if (logo_new == NULL) {
- if (palette)
- kfree(palette);
+ kfree(palette);
if (saved_pseudo_palette)
info->pseudo_palette = saved_pseudo_palette;
return 0;
fb_set_logo(info, fb_logo.logo, logo_new, fb_logo.depth);
}
+ image.dx = 0;
+ image.dy = 0;
image.width = fb_logo.logo->width;
image.height = fb_logo.logo->height;
- image.dy = 0;
- for (x = 0; x < num_online_cpus() * (fb_logo.logo->width + 8) &&
- x <= info->var.xres-fb_logo.logo->width; x += (fb_logo.logo->width + 8)) {
- image.dx = x;
- info->fbops->fb_imageblit(info, &image);
+ if (rotate) {
+ logo_rotate = kmalloc(fb_logo.logo->width *
+ fb_logo.logo->height, GFP_KERNEL);
+ if (logo_rotate)
+ fb_rotate_logo(info, logo_rotate, &image, rotate);
}
-
- if (palette != NULL)
- kfree(palette);
+
+ fb_do_show_logo(info, &image, rotate);
+
+ kfree(palette);
if (saved_pseudo_palette != NULL)
info->pseudo_palette = saved_pseudo_palette;
- if (logo_new != NULL)
- kfree(logo_new);
+ kfree(logo_new);
+ kfree(logo_rotate);
return fb_logo.logo->height;
}
#else
-int fb_prepare_logo(struct fb_info *info) { return 0; }
-int fb_show_logo(struct fb_info *info) { return 0; }
+int fb_prepare_logo(struct fb_info *info, int rotate) { return 0; }
+int fb_show_logo(struct fb_info *info, int rotate) { return 0; }
#endif /* CONFIG_LOGO */
static int fbmem_read_proc(char *buf, char **start, off_t offset,
int clen;
clen = 0;
- for (fi = registered_fb; fi < ®istered_fb[FB_MAX] && len < 4000; fi++)
+ for (fi = registered_fb; fi < ®istered_fb[FB_MAX] && clen < 4000;
+ fi++)
if (*fi)
clen += sprintf(buf + clen, "%d %s\n",
(*fi)->node,
fb_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
- u32 *buffer, *dst, *src;
+ u32 *buffer, *dst;
+ u32 __iomem *src;
int c, i, cnt = 0, err = 0;
unsigned long total_size;
return info->fbops->fb_read(file, buf, count, ppos);
total_size = info->screen_size;
+
if (total_size == 0)
total_size = info->fix.smem_len;
if (p >= total_size)
- return 0;
+ return 0;
+
if (count >= total_size)
- count = total_size;
+ count = total_size;
+
if (count + p > total_size)
count = total_size - p;
- cnt = 0;
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
GFP_KERNEL);
if (!buffer)
return -ENOMEM;
- src = (u32 *) (info->screen_base + p);
+ src = (u32 __iomem *) (info->screen_base + p);
if (info->fbops->fb_sync)
info->fbops->fb_sync(info);
*dst++ = fb_readl(src++);
if (c & 3) {
u8 *dst8 = (u8 *) dst;
- u8 *src8 = (u8 *) src;
+ u8 __iomem *src8 = (u8 __iomem *) src;
for (i = c & 3; i--;)
*dst8++ = fb_readb(src8++);
- src = (u32 *) src8;
+ src = (u32 __iomem *) src8;
}
if (copy_to_user(buf, buffer, c)) {
}
kfree(buffer);
+
return (err) ? err : cnt;
}
fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
- u32 *buffer, *dst, *src;
- int c, i, cnt = 0, err;
+ u32 *buffer, *src;
+ u32 __iomem *dst;
+ int c, i, cnt = 0, err = 0;
unsigned long total_size;
if (!info || !info->screen_base)
return info->fbops->fb_write(file, buf, count, ppos);
total_size = info->screen_size;
+
if (total_size == 0)
total_size = info->fix.smem_len;
if (p > total_size)
- return -ENOSPC;
- if (count >= total_size)
- count = total_size;
- err = 0;
+ return -EFBIG;
+
+ if (count > total_size) {
+ err = -EFBIG;
+ count = total_size;
+ }
+
if (count + p > total_size) {
- count = total_size - p;
- err = -ENOSPC;
+ if (!err)
+ err = -ENOSPC;
+
+ count = total_size - p;
}
- cnt = 0;
+
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
GFP_KERNEL);
if (!buffer)
return -ENOMEM;
- dst = (u32 *) (info->screen_base + p);
+ dst = (u32 __iomem *) (info->screen_base + p);
if (info->fbops->fb_sync)
info->fbops->fb_sync(info);
while (count) {
c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
src = buffer;
+
if (copy_from_user(src, buf, c)) {
err = -EFAULT;
break;
}
+
for (i = c >> 2; i--; )
fb_writel(*src++, dst++);
+
if (c & 3) {
u8 *src8 = (u8 *) src;
- u8 *dst8 = (u8 *) dst;
+ u8 __iomem *dst8 = (u8 __iomem *) dst;
for (i = c & 3; i--; )
fb_writeb(*src8++, dst8++);
- dst = (u32 *) dst8;
+ dst = (u32 __iomem *) dst8;
}
+
*ppos += c;
buf += c;
cnt += c;
count -= c;
}
+
kfree(buffer);
- return (err) ? err : cnt;
+ return (cnt) ? cnt : err;
}
#ifdef CONFIG_KMOD
}
#endif /* CONFIG_KMOD */
-void
-fb_load_cursor_image(struct fb_info *info)
-{
- unsigned int width = (info->cursor.image.width + 7) >> 3;
- u8 *data = (u8 *) info->cursor.image.data;
-
- if (info->sprite.outbuf)
- info->sprite.outbuf(info, info->sprite.addr, data, width);
- else
- memcpy(info->sprite.addr, data, width);
-}
-
-int
-fb_cursor(struct fb_info *info, struct fb_cursor_user __user *sprite)
-{
- struct fb_cursor_user cursor_user;
- struct fb_cursor cursor;
- char *data = NULL, *mask = NULL, *info_mask = NULL;
- u16 *red = NULL, *green = NULL, *blue = NULL, *transp = NULL;
- int err = -EINVAL;
-
- if (copy_from_user(&cursor_user, sprite, sizeof(struct fb_cursor_user)))
- return -EFAULT;
-
- memcpy(&cursor, &cursor_user, sizeof(cursor_user));
- cursor.mask = info->cursor.mask;
- cursor.image.data = info->cursor.image.data;
- cursor.image.cmap.red = info->cursor.image.cmap.red;
- cursor.image.cmap.green = info->cursor.image.cmap.green;
- cursor.image.cmap.blue = info->cursor.image.cmap.blue;
- cursor.image.cmap.transp = info->cursor.image.cmap.transp;
- cursor.data = NULL;
-
- if (cursor.set & FB_CUR_SETCUR)
- info->cursor.enable = 1;
-
- if (cursor.set & FB_CUR_SETCMAP) {
- unsigned len = cursor.image.cmap.len;
- if ((int)len <= 0)
- goto out;
- len *= 2;
- err = -ENOMEM;
- red = kmalloc(len, GFP_USER);
- green = kmalloc(len, GFP_USER);
- blue = kmalloc(len, GFP_USER);
- if (!red || !green || !blue)
- goto out;
- if (cursor_user.image.cmap.transp) {
- transp = kmalloc(len, GFP_USER);
- if (!transp)
- goto out;
- }
- err = -EFAULT;
- if (copy_from_user(red, cursor_user.image.cmap.red, len))
- goto out;
- if (copy_from_user(green, cursor_user.image.cmap.green, len))
- goto out;
- if (copy_from_user(blue, cursor_user.image.cmap.blue, len))
- goto out;
- if (transp) {
- if (copy_from_user(transp,
- cursor_user.image.cmap.transp, len))
- goto out;
- }
- cursor.image.cmap.red = red;
- cursor.image.cmap.green = green;
- cursor.image.cmap.blue = blue;
- cursor.image.cmap.transp = transp;
- }
-
- if (cursor.set & FB_CUR_SETSHAPE) {
- int size = ((cursor.image.width + 7) >> 3) * cursor.image.height;
-
- if ((cursor.image.height != info->cursor.image.height) ||
- (cursor.image.width != info->cursor.image.width))
- cursor.set |= FB_CUR_SETSIZE;
-
- err = -ENOMEM;
- data = kmalloc(size, GFP_USER);
- mask = kmalloc(size, GFP_USER);
- if (!mask || !data)
- goto out;
-
- err = -EFAULT;
- if (copy_from_user(data, cursor_user.image.data, size) ||
- copy_from_user(mask, cursor_user.mask, size))
- goto out;
-
- cursor.image.data = data;
- cursor.mask = mask;
- info_mask = (char *) info->cursor.mask;
- info->cursor.mask = mask;
- }
- info->cursor.set = cursor.set;
- info->cursor.rop = cursor.rop;
- err = info->fbops->fb_cursor(info, &cursor);
-out:
- kfree(data);
- kfree(mask);
- kfree(red);
- kfree(green);
- kfree(blue);
- kfree(transp);
- if (info_mask)
- info->cursor.mask = info_mask;
- return err;
-}
-
int
fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
{
+ struct fb_fix_screeninfo *fix = &info->fix;
int xoffset = var->xoffset;
int yoffset = var->yoffset;
- int err;
+ int err = 0, yres = info->var.yres;
+
+ if (var->yoffset > 0) {
+ if (var->vmode & FB_VMODE_YWRAP) {
+ if (!fix->ywrapstep || (var->yoffset % fix->ywrapstep))
+ err = -EINVAL;
+ else
+ yres = 0;
+ } else if (!fix->ypanstep || (var->yoffset % fix->ypanstep))
+ err = -EINVAL;
+ }
+
+ if (var->xoffset > 0 && (!fix->xpanstep ||
+ (var->xoffset % fix->xpanstep)))
+ err = -EINVAL;
+
+ if (err || !info->fbops->fb_pan_display || xoffset < 0 ||
+ yoffset < 0 || var->yoffset + yres > info->var.yres_virtual ||
+ var->xoffset + info->var.xres > info->var.xres_virtual)
+ return -EINVAL;
- if (xoffset < 0 || yoffset < 0 || !info->fbops->fb_pan_display ||
- xoffset + info->var.xres > info->var.xres_virtual ||
- yoffset + info->var.yres > info->var.yres_virtual)
- return -EINVAL;
if ((err = info->fbops->fb_pan_display(var, info)))
return err;
info->var.xoffset = var->xoffset;
int
fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
{
- int err;
+ int err, flags = info->flags;
if (var->activate & FB_ACTIVATE_INV_MODE) {
struct fb_videomode mode1, mode2;
event.info = info;
event.data = &mode1;
- ret = notifier_call_chain(&fb_notifier_list,
- FB_EVENT_MODE_DELETE, &event);
+ ret = fb_notifier_call_chain(FB_EVENT_MODE_DELETE, &event);
}
if (!ret)
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
struct fb_videomode mode;
- info->var = *var;
+ int err = 0;
+ info->var = *var;
if (info->fbops->fb_set_par)
info->fbops->fb_set_par(info);
fb_set_cmap(&info->cmap, info);
fb_var_to_videomode(&mode, &info->var);
- fb_add_videomode(&mode, &info->modelist);
- if (info->flags & FBINFO_MISC_MODECHANGEUSER) {
+ if (info->modelist.prev && info->modelist.next &&
+ !list_empty(&info->modelist))
+ err = fb_add_videomode(&mode, &info->modelist);
+
+ if (!err && (flags & FBINFO_MISC_USEREVENT)) {
struct fb_event event;
+ int evnt = (var->activate & FB_ACTIVATE_ALL) ?
+ FB_EVENT_MODE_CHANGE_ALL :
+ FB_EVENT_MODE_CHANGE;
- info->flags &= ~FBINFO_MISC_MODECHANGEUSER;
+ info->flags &= ~FBINFO_MISC_USEREVENT;
event.info = info;
- notifier_call_chain(&fb_notifier_list,
- FB_EVENT_MODE_CHANGE, &event);
+ fb_notifier_call_chain(evnt, &event);
}
}
}
int
fb_blank(struct fb_info *info, int blank)
{
- /* ??? Variable sized stack allocation. */
- u16 black[info->cmap.len];
- struct fb_cmap cmap;
-
- if (info->fbops->fb_blank && !info->fbops->fb_blank(blank, info))
- return 0;
- if (blank) {
- memset(black, 0, info->cmap.len * sizeof(u16));
- cmap.red = cmap.green = cmap.blue = black;
- cmap.transp = info->cmap.transp ? black : NULL;
- cmap.start = info->cmap.start;
- cmap.len = info->cmap.len;
- } else
- cmap = info->cmap;
- return fb_set_cmap(&cmap, info);
+ int ret = -EINVAL;
+
+ if (blank > FB_BLANK_POWERDOWN)
+ blank = FB_BLANK_POWERDOWN;
+
+ if (info->fbops->fb_blank)
+ ret = info->fbops->fb_blank(blank, info);
+
+ if (!ret) {
+ struct fb_event event;
+
+ event.info = info;
+ event.data = ␣
+ fb_notifier_call_chain(FB_EVENT_BLANK, &event);
+ }
+
+ return ret;
}
static int
if (copy_from_user(&var, argp, sizeof(var)))
return -EFAULT;
acquire_console_sem();
- info->flags |= FBINFO_MISC_MODECHANGEUSER;
+ info->flags |= FBINFO_MISC_USEREVENT;
i = fb_set_var(info, &var);
- info->flags &= ~FBINFO_MISC_MODECHANGEUSER;
+ info->flags &= ~FBINFO_MISC_USEREVENT;
release_console_sem();
if (i) return i;
if (copy_to_user(argp, &var, sizeof(var)))
return -EFAULT;
return 0;
case FBIO_CURSOR:
- acquire_console_sem();
- i = fb_cursor(info, argp);
- release_console_sem();
- return i;
+ return -EINVAL;
case FBIOGET_CON2FBMAP:
if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
return -EFAULT;
con2fb.framebuffer = -1;
event.info = info;
event.data = &con2fb;
- notifier_call_chain(&fb_notifier_list,
- FB_EVENT_GET_CONSOLE_MAP, &event);
+ fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
return copy_to_user(argp, &con2fb,
sizeof(con2fb)) ? -EFAULT : 0;
case FBIOPUT_CON2FBMAP:
#endif /* CONFIG_KMOD */
if (!registered_fb[con2fb.framebuffer])
return -EINVAL;
- if (con2fb.console > 0 && con2fb.console < MAX_NR_CONSOLES) {
- event.info = info;
- event.data = &con2fb;
- return notifier_call_chain(&fb_notifier_list,
- FB_EVENT_SET_CONSOLE_MAP,
- &event);
- }
- return -EINVAL;
+ event.info = info;
+ event.data = &con2fb;
+ return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
+ &event);
case FBIOBLANK:
acquire_console_sem();
+ info->flags |= FBINFO_MISC_USEREVENT;
i = fb_blank(info, arg);
+ info->flags &= ~FBINFO_MISC_USEREVENT;
release_console_sem();
return i;
default:
if (fb->fb_ioctl == NULL)
return -EINVAL;
- return fb->fb_ioctl(inode, file, cmd, arg, info);
+ return fb->fb_ioctl(info, cmd, arg);
}
}
+#ifdef CONFIG_COMPAT
+struct fb_fix_screeninfo32 {
+ char id[16];
+ compat_caddr_t smem_start;
+ u32 smem_len;
+ u32 type;
+ u32 type_aux;
+ u32 visual;
+ u16 xpanstep;
+ u16 ypanstep;
+ u16 ywrapstep;
+ u32 line_length;
+ compat_caddr_t mmio_start;
+ u32 mmio_len;
+ u32 accel;
+ u16 reserved[3];
+};
+
+struct fb_cmap32 {
+ u32 start;
+ u32 len;
+ compat_caddr_t red;
+ compat_caddr_t green;
+ compat_caddr_t blue;
+ compat_caddr_t transp;
+};
+
+static int fb_getput_cmap(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct fb_cmap_user __user *cmap;
+ struct fb_cmap32 __user *cmap32;
+ __u32 data;
+ int err;
+
+ cmap = compat_alloc_user_space(sizeof(*cmap));
+ cmap32 = compat_ptr(arg);
+
+ if (copy_in_user(&cmap->start, &cmap32->start, 2 * sizeof(__u32)))
+ return -EFAULT;
+
+ if (get_user(data, &cmap32->red) ||
+ put_user(compat_ptr(data), &cmap->red) ||
+ get_user(data, &cmap32->green) ||
+ put_user(compat_ptr(data), &cmap->green) ||
+ get_user(data, &cmap32->blue) ||
+ put_user(compat_ptr(data), &cmap->blue) ||
+ get_user(data, &cmap32->transp) ||
+ put_user(compat_ptr(data), &cmap->transp))
+ return -EFAULT;
+
+ err = fb_ioctl(inode, file, cmd, (unsigned long) cmap);
+
+ if (!err) {
+ if (copy_in_user(&cmap32->start,
+ &cmap->start,
+ 2 * sizeof(__u32)))
+ err = -EFAULT;
+ }
+ return err;
+}
+
+static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix,
+ struct fb_fix_screeninfo32 __user *fix32)
+{
+ __u32 data;
+ int err;
+
+ err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id));
+
+ data = (__u32) (unsigned long) fix->smem_start;
+ err |= put_user(data, &fix32->smem_start);
+
+ err |= put_user(fix->smem_len, &fix32->smem_len);
+ err |= put_user(fix->type, &fix32->type);
+ err |= put_user(fix->type_aux, &fix32->type_aux);
+ err |= put_user(fix->visual, &fix32->visual);
+ err |= put_user(fix->xpanstep, &fix32->xpanstep);
+ err |= put_user(fix->ypanstep, &fix32->ypanstep);
+ err |= put_user(fix->ywrapstep, &fix32->ywrapstep);
+ err |= put_user(fix->line_length, &fix32->line_length);
+
+ data = (__u32) (unsigned long) fix->mmio_start;
+ err |= put_user(data, &fix32->mmio_start);
+
+ err |= put_user(fix->mmio_len, &fix32->mmio_len);
+ err |= put_user(fix->accel, &fix32->accel);
+ err |= copy_to_user(fix32->reserved, fix->reserved,
+ sizeof(fix->reserved));
+
+ return err;
+}
+
+static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ mm_segment_t old_fs;
+ struct fb_fix_screeninfo fix;
+ struct fb_fix_screeninfo32 __user *fix32;
+ int err;
+
+ fix32 = compat_ptr(arg);
+
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ err = fb_ioctl(inode, file, cmd, (unsigned long) &fix);
+ set_fs(old_fs);
+
+ if (!err)
+ err = do_fscreeninfo_to_user(&fix, fix32);
+
+ return err;
+}
+
+static long
+fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ int fbidx = iminor(inode);
+ struct fb_info *info = registered_fb[fbidx];
+ struct fb_ops *fb = info->fbops;
+ long ret = -ENOIOCTLCMD;
+
+ lock_kernel();
+ switch(cmd) {
+ case FBIOGET_VSCREENINFO:
+ case FBIOPUT_VSCREENINFO:
+ case FBIOPAN_DISPLAY:
+ case FBIOGET_CON2FBMAP:
+ case FBIOPUT_CON2FBMAP:
+ arg = (unsigned long) compat_ptr(arg);
+ case FBIOBLANK:
+ ret = fb_ioctl(inode, file, cmd, arg);
+ break;
+
+ case FBIOGET_FSCREENINFO:
+ ret = fb_get_fscreeninfo(inode, file, cmd, arg);
+ break;
+
+ case FBIOGETCMAP:
+ case FBIOPUTCMAP:
+ ret = fb_getput_cmap(inode, file, cmd, arg);
+ break;
+
+ default:
+ if (fb->fb_compat_ioctl)
+ ret = fb->fb_compat_ioctl(info, cmd, arg);
+ break;
+ }
+ unlock_kernel();
+ return ret;
+}
+#endif
+
static int
fb_mmap(struct file *file, struct vm_area_struct * vma)
{
- int fbidx = iminor(file->f_dentry->d_inode);
+ int fbidx = iminor(file->f_path.dentry->d_inode);
struct fb_info *info = registered_fb[fbidx];
struct fb_ops *fb = info->fbops;
unsigned long off;
if (fb->fb_mmap) {
int res;
lock_kernel();
- res = fb->fb_mmap(info, file, vma);
+ res = fb->fb_mmap(info, vma);
unlock_kernel();
return res;
}
off += start;
vma->vm_pgoff = off >> PAGE_SHIFT;
/* This is an IO map - tell maydump to skip this VMA */
- vma->vm_flags |= VM_IO;
-#if defined(__sparc_v9__)
- vma->vm_flags |= (VM_SHM | VM_LOCKED);
- if (io_remap_page_range(vma, vma->vm_start, off,
- vma->vm_end - vma->vm_start, vma->vm_page_prot, 0))
- return -EAGAIN;
-#else
+ vma->vm_flags |= VM_IO | VM_RESERVED;
#if defined(__mc68000__)
#if defined(CONFIG_SUN3)
pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
}
#endif
#elif defined(__powerpc__)
- pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE|_PAGE_GUARDED;
+ vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
+ vma->vm_end - vma->vm_start,
+ vma->vm_page_prot);
#elif defined(__alpha__)
/* Caching is off in the I/O space quadrant by design. */
#elif defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3)
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
-#elif defined(__mips__)
+#elif defined(__mips__) || defined(__sparc_v9__)
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
#elif defined(__hppa__)
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
-#elif defined(__ia64__) || defined(__arm__) || defined(__sh__)
+#elif defined(__arm__) || defined(__sh__) || defined(__m32r__)
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+#elif defined(__ia64__)
+ if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+ else
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
#else
#warning What do we have to do here??
#endif
- if (io_remap_page_range(vma, vma->vm_start, off,
+ if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start, vma->vm_page_prot))
return -EAGAIN;
-#endif /* !__sparc_v9__ */
return 0;
#endif /* !sparc32 */
}
return -ENODEV;
if (!try_module_get(info->fbops->owner))
return -ENODEV;
+ file->private_data = info;
if (info->fbops->fb_open) {
res = info->fbops->fb_open(info,1);
if (res)
static int
fb_release(struct inode *inode, struct file *file)
{
- int fbidx = iminor(inode);
- struct fb_info *info;
+ struct fb_info * const info = file->private_data;
lock_kernel();
- info = registered_fb[fbidx];
if (info->fbops->fb_release)
info->fbops->fb_release(info,1);
module_put(info->fbops->owner);
return 0;
}
-static struct file_operations fb_fops = {
+static const struct file_operations fb_fops = {
.owner = THIS_MODULE,
.read = fb_read,
.write = fb_write,
.ioctl = fb_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = fb_compat_ioctl,
+#endif
.mmap = fb_mmap,
.open = fb_open,
.release = fb_release,
#endif
};
-static struct class_simple *fb_class;
-
+struct class *fb_class;
+EXPORT_SYMBOL(fb_class);
/**
* register_framebuffer - registers a frame buffer device
* @fb_info: frame buffer info structure
register_framebuffer(struct fb_info *fb_info)
{
int i;
- struct class_device *c;
struct fb_event event;
+ struct fb_videomode mode;
if (num_registered_fb == FB_MAX)
return -ENXIO;
break;
fb_info->node = i;
- c = class_simple_device_add(fb_class, MKDEV(FB_MAJOR, i), NULL, "fb%d", i);
- if (IS_ERR(c)) {
+ fb_info->dev = device_create(fb_class, fb_info->device,
+ MKDEV(FB_MAJOR, i), "fb%d", i);
+ if (IS_ERR(fb_info->dev)) {
/* Not fatal */
- printk(KERN_WARNING "Unable to create class_device for framebuffer %d; errno = %ld\n", i, PTR_ERR(c));
- }
-
+ printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev));
+ fb_info->dev = NULL;
+ } else
+ fb_init_device(fb_info);
+
if (fb_info->pixmap.addr == NULL) {
fb_info->pixmap.addr = kmalloc(FBPIXMAPSIZE, GFP_KERNEL);
if (fb_info->pixmap.addr) {
fb_info->pixmap.size = FBPIXMAPSIZE;
fb_info->pixmap.buf_align = 1;
fb_info->pixmap.scan_align = 1;
- fb_info->pixmap.access_align = 4;
+ fb_info->pixmap.access_align = 32;
fb_info->pixmap.flags = FB_PIXMAP_DEFAULT;
}
}
fb_info->pixmap.offset = 0;
- if (fb_info->sprite.addr == NULL) {
- fb_info->sprite.addr = kmalloc(FBPIXMAPSIZE, GFP_KERNEL);
- if (fb_info->sprite.addr) {
- fb_info->sprite.size = FBPIXMAPSIZE;
- fb_info->sprite.buf_align = 1;
- fb_info->sprite.scan_align = 1;
- fb_info->sprite.access_align = 4;
- fb_info->sprite.flags = FB_PIXMAP_DEFAULT;
- }
- }
- fb_info->sprite.offset = 0;
-
- if (!fb_info->modelist.prev ||
- !fb_info->modelist.next ||
- list_empty(&fb_info->modelist)) {
- struct fb_videomode mode;
-
+ if (!fb_info->modelist.prev || !fb_info->modelist.next)
INIT_LIST_HEAD(&fb_info->modelist);
- fb_var_to_videomode(&mode, &fb_info->var);
- fb_add_videomode(&mode, &fb_info->modelist);
- }
+ fb_var_to_videomode(&mode, &fb_info->var);
+ fb_add_videomode(&mode, &fb_info->modelist);
registered_fb[i] = fb_info;
- devfs_mk_cdev(MKDEV(FB_MAJOR, i),
- S_IFCHR | S_IRUGO | S_IWUGO, "fb/%d", i);
event.info = fb_info;
- notifier_call_chain(&fb_notifier_list,
- FB_EVENT_FB_REGISTERED, &event);
+ fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
return 0;
}
int
unregister_framebuffer(struct fb_info *fb_info)
{
+ struct fb_event event;
int i;
i = fb_info->node;
if (!registered_fb[i])
return -EINVAL;
- devfs_remove("fb/%d", i);
- if (fb_info->pixmap.addr && (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT))
+ if (fb_info->pixmap.addr &&
+ (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT))
kfree(fb_info->pixmap.addr);
- if (fb_info->sprite.addr && (fb_info->sprite.flags & FB_PIXMAP_DEFAULT))
- kfree(fb_info->sprite.addr);
fb_destroy_modelist(&fb_info->modelist);
registered_fb[i]=NULL;
num_registered_fb--;
- class_simple_device_remove(MKDEV(FB_MAJOR, i));
+ fb_cleanup_device(fb_info);
+ device_destroy(fb_class, MKDEV(FB_MAJOR, i));
+ event.info = fb_info;
+ fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
return 0;
}
-/**
- * fb_register_client - register a client notifier
- * @nb: notifier block to callback on events
- */
-int fb_register_client(struct notifier_block *nb)
-{
- return notifier_chain_register(&fb_notifier_list, nb);
-}
-
-/**
- * fb_unregister_client - unregister a client notifier
- * @nb: notifier block to callback on events
- */
-int fb_unregister_client(struct notifier_block *nb)
-{
- return notifier_chain_unregister(&fb_notifier_list, nb);
-}
-
/**
* fb_set_suspend - low level driver signals suspend
* @info: framebuffer affected
event.info = info;
if (state) {
- notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, &event);
+ fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
info->state = FBINFO_STATE_SUSPENDED;
} else {
info->state = FBINFO_STATE_RUNNING;
- notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, &event);
+ fb_notifier_call_chain(FB_EVENT_RESUME, &event);
}
}
*
*/
-int __init
+static int __init
fbmem_init(void)
{
create_proc_read_entry("fb", 0, NULL, fbmem_read_proc, NULL);
- devfs_mk_dir("fb");
if (register_chrdev(FB_MAJOR,"fb",&fb_fops))
printk("unable to get major %d for fb devs\n", FB_MAJOR);
- fb_class = class_simple_create(THIS_MODULE, "graphics");
+ fb_class = class_create(THIS_MODULE, "graphics");
if (IS_ERR(fb_class)) {
printk(KERN_WARNING "Unable to create fb class; errno = %ld\n", PTR_ERR(fb_class));
fb_class = NULL;
}
return 0;
}
+
+#ifdef MODULE
module_init(fbmem_init);
+static void __exit
+fbmem_exit(void)
+{
+ class_destroy(fb_class);
+ unregister_chrdev(FB_MAJOR, "fb");
+}
+
+module_exit(fbmem_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Framebuffer base");
+#else
+subsys_initcall(fbmem_init);
+#endif
+
+int fb_new_modelist(struct fb_info *info)
+{
+ struct fb_event event;
+ struct fb_var_screeninfo var = info->var;
+ struct list_head *pos, *n;
+ struct fb_modelist *modelist;
+ struct fb_videomode *m, mode;
+ int err = 1;
+
+ list_for_each_safe(pos, n, &info->modelist) {
+ modelist = list_entry(pos, struct fb_modelist, list);
+ m = &modelist->mode;
+ fb_videomode_to_var(&var, m);
+ var.activate = FB_ACTIVATE_TEST;
+ err = fb_set_var(info, &var);
+ fb_var_to_videomode(&mode, &var);
+ if (err || !fb_mode_is_equal(m, &mode)) {
+ list_del(pos);
+ kfree(pos);
+ }
+ }
-#define NR_FB_DRIVERS 64
-static char *video_options[NR_FB_DRIVERS];
-static int ofonly;
+ err = 1;
+
+ if (!list_empty(&info->modelist)) {
+ event.info = info;
+ err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
+ }
+
+ return err;
+}
+
+static char *video_options[FB_MAX] __read_mostly;
+static int ofonly __read_mostly;
+
+extern const char *global_mode_option;
/**
* fb_get_options - get kernel boot parameters
- * @name - framebuffer name as it would appear in
- * the boot parameter line
- * (video=<name>:<options>)
+ * @name: framebuffer name as it would appear in
+ * the boot parameter line
+ * (video=<name>:<options>)
+ * @option: the option will be stored here
*
* NOTE: Needed to maintain backwards compatibility
*/
retval = 1;
if (name_len && !retval) {
- for (i = 0; i < NR_FB_DRIVERS; i++) {
+ for (i = 0; i < FB_MAX; i++) {
if (video_options[i] == NULL)
continue;
opt_len = strlen(video_options[i]);
return retval;
}
+#ifndef MODULE
/**
* video_setup - process command line options
* @options: string of options
* Returns zero.
*
*/
-
-int __init video_setup(char *options)
+static int __init video_setup(char *options)
{
- int i;
+ int i, global = 0;
if (!options || !*options)
- return 0;
+ global = 1;
+
+ if (!global && !strncmp(options, "ofonly", 6)) {
+ ofonly = 1;
+ global = 1;
+ }
+
+ if (!global && !strstr(options, "fb:")) {
+ global_mode_option = options;
+ global = 1;
+ }
+
+ if (!global) {
+ for (i = 0; i < FB_MAX; i++) {
+ if (video_options[i] == NULL) {
+ video_options[i] = options;
+ break;
+ }
- for (i = 0; i < NR_FB_DRIVERS; i++) {
- if (!strncmp(options, "ofonly", 6))
- ofonly = 1;
- if (video_options[i] == NULL) {
- video_options[i] = options;
- break;
}
}
- return 0;
+ return 1;
}
__setup("video=", video_setup);
+#endif
/*
* Visible symbols for modules
EXPORT_SYMBOL(fb_blank);
EXPORT_SYMBOL(fb_pan_display);
EXPORT_SYMBOL(fb_get_buffer_offset);
-EXPORT_SYMBOL(fb_iomove_buf_unaligned);
-EXPORT_SYMBOL(fb_iomove_buf_aligned);
-EXPORT_SYMBOL(fb_sysmove_buf_unaligned);
-EXPORT_SYMBOL(fb_sysmove_buf_aligned);
-EXPORT_SYMBOL(fb_load_cursor_image);
EXPORT_SYMBOL(fb_set_suspend);
-EXPORT_SYMBOL(fb_register_client);
-EXPORT_SYMBOL(fb_unregister_client);
EXPORT_SYMBOL(fb_get_options);
MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff