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au1200fb: use framebuffer_alloc()

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Convert to use framebuffer_alloc() instead of using fb_info embedded
into device context (which broke the driver in the past due to un-
initialized elements).

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Manuel Lauss 2011-06-10 15:23:01 +00:00 committed by Paul Mundt
parent fc90ec8629
commit c329f606a2
1 changed files with 46 additions and 34 deletions
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80
drivers/video/au1200fb.c
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@ -150,7 +150,7 @@ struct au1200_lcd_iodata_t {
/* Private, per-framebuffer management information (independent of the panel itself) */
struct au1200fb_device {
struct fb_info fb_info; /* FB driver info record */
struct fb_info *fb_info; /* FB driver info record */
int plane;
unsigned char* fb_mem; /* FrameBuffer memory map */
@ -158,7 +158,7 @@ struct au1200fb_device {
dma_addr_t fb_phys;
};
static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS];
static struct fb_info *_au1200fb_infos[CONFIG_FB_AU1200_DEVS];
/********************************************************************/
/* LCD controller restrictions */
@ -713,7 +713,7 @@ static int fbinfo2index (struct fb_info *fb_info)
int i;
for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
if (fb_info == _au1200fb_infos[i])
return i;
}
printk("au1200fb: ERROR: fbinfo2index failed!\n");
@ -962,7 +962,7 @@ static void au1200_setmode(struct au1200fb_device *fbdev)
lcd->window[plane].winctrl2 = ( 0
| LCD_WINCTRL2_CKMODE_00
| LCD_WINCTRL2_DBM
| LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length)
| LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length)
| LCD_WINCTRL2_SCX_1
| LCD_WINCTRL2_SCY_1
) ;
@ -1050,7 +1050,7 @@ static void au1200fb_update_fbinfo(struct fb_info *fbi)
static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *fbi)
{
struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
struct au1200fb_device *fbdev = fbi->par;
u32 pixclock;
int screen_size, plane;
@ -1142,7 +1142,7 @@ static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
*/
static int au1200fb_fb_set_par(struct fb_info *fbi)
{
struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
struct au1200fb_device *fbdev = fbi->par;
au1200fb_update_fbinfo(fbi);
au1200_setmode(fbdev);
@ -1246,7 +1246,7 @@ static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
unsigned int len;
unsigned long start=0, off;
struct au1200fb_device *fbdev = (struct au1200fb_device *) info;
struct au1200fb_device *fbdev = info->par;
#ifdef CONFIG_PM
au1xxx_pm_access(LCD_pm_dev);
@ -1561,10 +1561,9 @@ static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id)
static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
{
struct fb_info *fbi = &fbdev->fb_info;
struct fb_info *fbi = fbdev->fb_info;
int bpp;
memset(fbi, 0, sizeof(struct fb_info));
fbi->fbops = &au1200fb_fb_ops;
bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);
@ -1626,11 +1625,13 @@ static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
static int au1200fb_drv_probe(struct platform_device *dev)
{
struct au1200fb_device *fbdev;
struct fb_info *fbi = NULL;
unsigned long page;
int bpp, plane, ret;
if (!dev)
return -EINVAL;
/* shut gcc up */
ret = 0;
fbdev = NULL;
for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
bpp = winbpp(win->w[plane].mode_winctrl1);
@ -1639,8 +1640,15 @@ static int au1200fb_drv_probe(struct platform_device *dev)
if (win->w[plane].yres == 0)
win->w[plane].yres = panel->Yres;
fbdev = &_au1200fb_devices[plane];
memset(fbdev, 0, sizeof(struct au1200fb_device));
fbi = framebuffer_alloc(sizeof(struct au1200fb_device),
&dev->dev);
if (!fbi)
goto failed;
_au1200fb_infos[plane] = fbi;
fbdev = fbi->par;
fbdev->fb_info = fbi;
fbdev->plane = plane;
/* Allocate the framebuffer to the maximum screen size */
@ -1673,21 +1681,20 @@ static int au1200fb_drv_probe(struct platform_device *dev)
goto failed;
/* Register new framebuffer */
if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) {
ret = register_framebuffer(fbi);
if (ret < 0) {
print_err("cannot register new framebuffer");
goto failed;
}
au1200fb_fb_set_par(&fbdev->fb_info);
au1200fb_fb_set_par(fbi);
#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
if (plane == 0)
if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) {
if (fb_prepare_logo(fbi, FB_ROTATE_UR)) {
/* Start display and show logo on boot */
fb_set_cmap(&fbdev->fb_info.cmap,
&fbdev->fb_info);
fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR);
fb_set_cmap(&fbi->cmap, fbi);
fb_show_logo(fbi, FB_ROTATE_UR);
}
#endif
}
@ -1705,12 +1712,13 @@ static int au1200fb_drv_probe(struct platform_device *dev)
failed:
/* NOTE: This only does the current plane/window that failed; others are still active */
if (fbdev->fb_mem)
dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
dma_free_noncoherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len),
fbdev->fb_mem, fbdev->fb_phys);
if (fbdev->fb_info.cmap.len != 0)
fb_dealloc_cmap(&fbdev->fb_info.cmap);
if (fbdev->fb_info.pseudo_palette)
kfree(fbdev->fb_info.pseudo_palette);
if (fbi) {
if (fbi->cmap.len != 0)
fb_dealloc_cmap(&fbi->cmap);
kfree(fbi->pseudo_palette);
}
if (plane == 0)
free_irq(AU1200_LCD_INT, (void*)dev);
return ret;
@ -1719,6 +1727,7 @@ failed:
static int au1200fb_drv_remove(struct platform_device *dev)
{
struct au1200fb_device *fbdev;
struct fb_info *fbi;
int plane;
if (!dev)
@ -1727,20 +1736,22 @@ static int au1200fb_drv_remove(struct platform_device *dev)
/* Turn off the panel */
au1200_setpanel(NULL);
for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)
{
fbdev = &_au1200fb_devices[plane];
for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
fbi = _au1200fb_infos[plane];
fbdev = fbi->par;
/* Clean up all probe data */
unregister_framebuffer(&fbdev->fb_info);
unregister_framebuffer(fbi);
if (fbdev->fb_mem)
dma_free_noncoherent(&dev->dev,
PAGE_ALIGN(fbdev->fb_len),
fbdev->fb_mem, fbdev->fb_phys);
if (fbdev->fb_info.cmap.len != 0)
fb_dealloc_cmap(&fbdev->fb_info.cmap);
if (fbdev->fb_info.pseudo_palette)
kfree(fbdev->fb_info.pseudo_palette);
if (fbi->cmap.len != 0)
fb_dealloc_cmap(&fbi->cmap);
kfree(fbi->pseudo_palette);
framebuffer_release(fbi);
_au1200fb_infos[plane] = NULL;
}
free_irq(AU1200_LCD_INT, (void *)dev);
@ -1749,7 +1760,8 @@ static int au1200fb_drv_remove(struct platform_device *dev)
}
#ifdef CONFIG_PM
static int au1200fb_drv_suspend(struct platform_device *dev, u32 state)
static int au1200fb_drv_suspend(struct platform_device *dev,
pm_message_t state)
{
/* TODO */
return 0;