1 files changed, 105 insertions, 3 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index fafe7db20d6d..bb2514369507 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -227,6 +227,22 @@ static int pxafb_bpp_to_lccr3(struct fb_var_screeninfo *var)
         case 4:  ret = LCCR3_4BPP; break;
         case 8:  ret = LCCR3_8BPP; break;
         case 16: ret = LCCR3_16BPP; break;
+        case 24:
+                switch (var->red.length + var->green.length +
+                                var->blue.length + var->transp.length) {
+                case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break;
+                case 19: ret = LCCR3_19BPP_P; break;
+                }
+                break;
+        case 32:
+                switch (var->red.length + var->green.length +
+                                var->blue.length + var->transp.length) {
+                case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break;
+                case 19: ret = LCCR3_19BPP; break;
+                case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break;
+                case 25: ret = LCCR3_25BPP; break;
+                }
+                break;
         }
         return ret;
 }
@@ -345,6 +361,41 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
                 var->green.offset = 5;  var->green.length = 6;
                 var->blue.offset  = 0;  var->blue.length  = 5;
                 var->transp.offset = var->transp.length = 0;
+        } else if (var->bits_per_pixel > 16) {
+                struct pxafb_mode_info *mode;
+
+                mode = pxafb_getmode(inf, var);
+                if (!mode)
+                        return -EINVAL;
+
+                switch (mode->depth) {
+                case 18: /* RGB666 */
+                        var->transp.offset = var->transp.length     = 0;
+                        var->red.offset    = 12; var->red.length    = 6;
+                        var->green.offset  = 6;  var->green.length  = 6;
+                        var->blue.offset   = 0;  var->blue.length   = 6;
+                        break;
+                case 19: /* RGBT666 */
+                        var->transp.offset = 18; var->transp.length = 1;
+                        var->red.offset    = 12; var->red.length    = 6;
+                        var->green.offset  = 6;  var->green.length  = 6;
+                        var->blue.offset   = 0;  var->blue.length   = 6;
+                        break;
+                case 24: /* RGB888 */
+                        var->transp.offset = var->transp.length     = 0;
+                        var->red.offset    = 16; var->red.length    = 8;
+                        var->green.offset  = 8;  var->green.length  = 8;
+                        var->blue.offset   = 0;  var->blue.length   = 8;
+                        break;
+                case 25: /* RGBT888 */
+                        var->transp.offset = 24; var->transp.length = 1;
+                        var->red.offset    = 16; var->red.length    = 8;
+                        var->green.offset  = 8;  var->green.length  = 8;
+                        var->blue.offset   = 0;  var->blue.length   = 8;
+                        break;
+                default:
+                        return -EINVAL;
+                }
         } else {
                 var->red.offset = var->green.offset = 0;
                 var->blue.offset = var->transp.offset = 0;
@@ -376,7 +427,7 @@ static int pxafb_set_par(struct fb_info *info)
         struct pxafb_info *fbi = (struct pxafb_info *)info;
         struct fb_var_screeninfo *var = &info->var;
 
-        if (var->bits_per_pixel == 16)
+        if (var->bits_per_pixel >= 16)
                 fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR;
         else if (!fbi->cmap_static)
                 fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR;
@@ -391,7 +442,7 @@ static int pxafb_set_par(struct fb_info *info)
 
         fbi->fb.fix.line_length = var->xres_virtual *
                                   var->bits_per_pixel / 8;
-        if (var->bits_per_pixel == 16)
+        if (var->bits_per_pixel >= 16)
                 fbi->palette_size = 0;
         else
                 fbi->palette_size = var->bits_per_pixel == 1 ?
@@ -404,7 +455,7 @@ static int pxafb_set_par(struct fb_info *info)
          */
         pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR);
 
-        if (fbi->fb.var.bits_per_pixel == 16)
+        if (fbi->fb.var.bits_per_pixel >= 16)
                 fb_dealloc_cmap(&fbi->fb.cmap);
         else
                 fb_alloc_cmap(&fbi->fb.cmap, 1<<fbi->fb.var.bits_per_pixel, 0);
@@ -831,6 +882,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
                 case 4:
                 case 8:
                 case 16:
+                case 24:
+                case 32:
                         break;
                 default:
                         printk(KERN_ERR "%s: invalid bit depth %d\n",
@@ -968,6 +1021,11 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi)
 
         for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
                 pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
+        /* 18 bit interface */
+        if (fbi->fb.var.bits_per_pixel > 16) {
+                pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT);
+                pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT);
+        }
         pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
         pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
         pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
@@ -1792,11 +1850,49 @@ failed:
         return ret;
 }
 
+static int __devexit pxafb_remove(struct platform_device *dev)
+{
+        struct pxafb_info *fbi = platform_get_drvdata(dev);
+        struct resource *r;
+        int irq;
+        struct fb_info *info;
+
+        if (!fbi)
+                return 0;
+
+        info = &fbi->fb;
+
+        unregister_framebuffer(info);
+
+        pxafb_disable_controller(fbi);
+
+        if (fbi->fb.cmap.len)
+                fb_dealloc_cmap(&fbi->fb.cmap);
+
+        irq = platform_get_irq(dev, 0);
+        free_irq(irq, fbi);
+
+        dma_free_writecombine(&dev->dev, fbi->map_size,
+                                        fbi->map_cpu, fbi->map_dma);
+
+        iounmap(fbi->mmio_base);
+
+        r = platform_get_resource(dev, IORESOURCE_MEM, 0);
+        release_mem_region(r->start, r->end - r->start + 1);
+
+        clk_put(fbi->clk);
+        kfree(fbi);
+
+        return 0;
+}
+
 static struct platform_driver pxafb_driver = {
         .probe          = pxafb_probe,
+        .remove         = pxafb_remove,
         .suspend        = pxafb_suspend,
         .resume         = pxafb_resume,
         .driver         = {
+                .owner  = THIS_MODULE,
                 .name   = "pxa2xx-fb",
         },
 };
@@ -1809,7 +1905,13 @@ static int __init pxafb_init(void)
         return platform_driver_register(&pxafb_driver);
 }
 
+static void __exit pxafb_exit(void)
+{
+        platform_driver_unregister(&pxafb_driver);
+}
+
 module_init(pxafb_init);
+module_exit(pxafb_exit);
 
 MODULE_DESCRIPTION("loadable framebuffer driver for PXA");
 MODULE_LICENSE("GPL");