*
*
* Modified:
- * Copyright 2004-2007 Analog Devices Inc.
+ * Copyright 2007-2008 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
#include <asm/gpio.h>
#include <asm/portmux.h>
-#include <asm/mach/bf54x-lq043.h>
+#include <mach/bf54x-lq043.h>
#define NO_BL_SUPPORT
set_dma_config(CH_EPPI0,
set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO,
INTR_DISABLE, DIMENSION_2D,
- DATA_SIZE_32));
+ DATA_SIZE_32,
+ DMA_NOSYNC_KEEP_DMA_BUF));
set_dma_x_count(CH_EPPI0, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE);
set_dma_x_modify(CH_EPPI0, DMA_BUS_SIZE / 8);
set_dma_y_count(CH_EPPI0, LCD_Y_RES);
u16 eppi_req_18[] = EPPI0_18;
u16 disp = fbi->mach_info->disp;
- if (gpio_request(disp, NULL)) {
+ if (gpio_request(disp, DRIVER_NAME)) {
printk(KERN_ERR "Requesting GPIO %d faild\n", disp);
return -EFAULT;
}
}
}
- gpio_direction_output(disp);
- gpio_set_value(disp, 1);
+ gpio_direction_output(disp, 1);
return 0;
}
struct fb_info *info)
{
- if (var->bits_per_pixel != LCD_BPP) {
- pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__,
+ switch (var->bits_per_pixel) {
+ case 24:/* TRUECOLOUR, 16m */
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = var->green.length = var->blue.length = 8;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ var->transp.msb_right = 0;
+ var->red.msb_right = 0;
+ var->green.msb_right = 0;
+ var->blue.msb_right = 0;
+ break;
+ default:
+ pr_debug("%s: depth not supported: %u BPP\n", __func__,
var->bits_per_pixel);
return -EINVAL;
}
info->var.xres_virtual != var->xres_virtual ||
info->var.yres_virtual != var->yres_virtual) {
pr_debug("%s: Resolution not supported: X%u x Y%u \n",
- __FUNCTION__, var->xres, var->yres);
+ __func__, var->xres, var->yres);
return -EINVAL;
}
if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
- __FUNCTION__, var->yres_virtual);
+ __func__, var->yres_virtual);
return -ENOMEM;
}
* Other flags can be set, and are documented in
* include/linux/mm.h
*/
- vma->vm_flags |= VM_MAYSHARE;
+ vma->vm_flags |= VM_MAYSHARE | VM_SHARED;
return 0;
}
return 0;
}
-static int bfin_lcd_check_fb(struct fb_info *fi)
+static int bfin_lcd_check_fb(struct lcd_device *dev, struct fb_info *fi)
{
if (!fi || (fi == &bfin_bf54x_fb))
return 1;
static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id)
{
-
- /*struct bfin_bf54xfb_info *info = (struct bfin_bf54xfb_info *)dev_id;*/
+ /*struct bfin_bf54xfb_info *info = dev_id;*/
u16 status = bfin_read_EPPI0_STATUS();
goto out7;
}
- if (request_irq(info->irq, (void *)bfin_bf54x_irq_error, IRQF_DISABLED,
+ if (request_irq(info->irq, bfin_bf54x_irq_error, IRQF_DISABLED,
"PPI ERROR", info) < 0) {
printk(KERN_ERR DRIVER_NAME
": unable to request PPI ERROR IRQ\n");
&bfin_lq043fb_bl_ops);
bl_dev->props.max_brightness = 255;
- lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
+ lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops);
lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
#endif
static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state)
{
struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_bf54xfb_info *info = fbinfo->par;
bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN);
disable_dma(CH_EPPI0);
struct fb_info *fbinfo = platform_get_drvdata(pdev);
struct bfin_bf54xfb_info *info = fbinfo->par;
- enable_dma(CH_EPPI0);
- bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+ if (info->lq043_open_cnt) {
+
+ bfin_write_EPPI0_CONTROL(0);
+ SSYNC();
+
+ config_dma(info);
+ config_ppi(info);
+
+ /* start dma */
+ enable_dma(CH_EPPI0);
+ bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+ }
return 0;
}