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