#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
saddr2 += (var->xres * var->yres * var->bits_per_pixel)/8;
saddr2>>= 1;
- saddr3 = S3C2410_OFFSIZE(0) | S3C2410_PAGEWIDTH(var->xres);
+ saddr3 = S3C2410_OFFSIZE(0) | S3C2410_PAGEWIDTH((var->xres * var->bits_per_pixel / 16) & 0x3ff);
dprintk("LCDSADDR1 = 0x%08lx\n", saddr1);
dprintk("LCDSADDR2 = 0x%08lx\n", saddr2);
var->bits_per_pixel = fbi->mach_info->bpp.min;
/* set r/g/b positions */
+ switch (var->bits_per_pixel) {
+ case 1:
+ case 2:
+ case 4:
+ var->red.offset = 0;
+ var->red.length = var->bits_per_pixel;
+ var->green = var->red;
+ var->blue = var->red;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ break;
+ case 8:
+ if ( fbi->mach_info->type != S3C2410_LCDCON1_TFT ) {
+ /* 8 bpp 332 */
+ var->red.length = 3;
+ var->red.offset = 5;
+ var->green.length = 3;
+ var->green.offset = 2;
+ var->blue.length = 2;
+ var->blue.offset = 0;
+ var->transp.length = 0;
+ } else {
+ var->red.offset = 0;
+ var->red.length = var->bits_per_pixel;
+ var->green = var->red;
+ var->blue = var->red;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ }
+ break;
+ case 12:
+ /* 12 bpp 444 */
+ var->red.length = 4;
+ var->red.offset = 8;
+ var->green.length = 4;
+ var->green.offset = 4;
+ var->blue.length = 4;
+ var->blue.offset = 0;
+ var->transp.length = 0;
+ break;
+
+ default:
+ case 16:
+ if (fbi->regs.lcdcon5 & S3C2410_LCDCON5_FRM565 ) {
+ /* 16 bpp, 565 format */
+ var->red.offset = 11;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 6;
+ var->blue.length = 5;
+ var->transp.length = 0;
+ } else {
+ /* 16 bpp, 5551 format */
+ var->red.offset = 11;
+ var->green.offset = 6;
+ var->blue.offset = 1;
+ var->red.length = 5;
+ var->green.length = 5;
+ var->blue.length = 5;
+ var->transp.length = 0;
+ }
+ break;
+ case 24:
+ /* 24 bpp 888 */
+ var->red.length = 8;
+ var->red.offset = 16;
+ var->green.length = 8;
+ var->green.offset = 8;
+ var->blue.length = 8;
+ var->blue.offset = 0;
+ var->transp.length = 0;
+ break;
- if (var->bits_per_pixel == 16) {
- var->red.offset = 11;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 6;
- var->blue.length = 5;
- var->transp.length = 0;
- } else {
- var->red.length = var->bits_per_pixel;
- var->red.offset = 0;
- var->green.length = var->bits_per_pixel;
- var->green.offset = 0;
- var->blue.length = var->bits_per_pixel;
- var->blue.offset = 0;
- var->transp.length = 0;
- }
+ }
return 0;
}
+
/* s3c2410fb_activate_var
*
* activate (set) the controller from the given framebuffer
static void s3c2410fb_activate_var(struct s3c2410fb_info *fbi,
struct fb_var_screeninfo *var)
{
+ int hs;
+
fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_MODEMASK;
+ fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_TFT;
dprintk("%s: var->xres = %d\n", __FUNCTION__, var->xres);
dprintk("%s: var->yres = %d\n", __FUNCTION__, var->yres);
dprintk("%s: var->bpp = %d\n", __FUNCTION__, var->bits_per_pixel);
- switch (var->bits_per_pixel) {
- case 1:
- fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT1BPP;
- break;
- case 2:
- fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT2BPP;
- break;
- case 4:
- fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT4BPP;
- break;
- case 8:
- fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT8BPP;
- break;
- case 16:
- fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT16BPP;
- break;
- }
+ fbi->regs.lcdcon1 |= fbi->mach_info->type;
+
+ if (fbi->mach_info->type == S3C2410_LCDCON1_TFT)
+ switch (var->bits_per_pixel) {
+ case 1:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT1BPP;
+ break;
+ case 2:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT2BPP;
+ break;
+ case 4:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT4BPP;
+ break;
+ case 8:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT8BPP;
+ break;
+ case 16:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT16BPP;
+ break;
+
+ default:
+ /* invalid pixel depth */
+ dev_err(fbi->dev, "invalid bpp %d\n", var->bits_per_pixel);
+ }
+ else
+ switch (var->bits_per_pixel) {
+ case 1:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_STN1BPP;
+ break;
+ case 2:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_STN2GREY;
+ break;
+ case 4:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_STN4GREY;
+ break;
+ case 8:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_STN8BPP;
+ break;
+ case 12:
+ fbi->regs.lcdcon1 |= S3C2410_LCDCON1_STN12BPP;
+ break;
+
+ default:
+ /* invalid pixel depth */
+ dev_err(fbi->dev, "invalid bpp %d\n", var->bits_per_pixel);
+ }
/* check to see if we need to update sync/borders */
fbi->regs.lcdcon2 &= ~S3C2410_LCDCON2_LINEVAL(0x3ff);
fbi->regs.lcdcon2 |= S3C2410_LCDCON2_LINEVAL(var->yres - 1);
+ switch(fbi->mach_info->type) {
+ case S3C2410_LCDCON1_DSCAN4:
+ case S3C2410_LCDCON1_STN8:
+ hs = var->xres / 8;
+ break;
+ case S3C2410_LCDCON1_STN4:
+ hs = var->xres / 4;
+ break;
+ default:
+ case S3C2410_LCDCON1_TFT:
+ hs = var->xres;
+ break;
+
+ }
+
+ /* Special cases : STN color displays */
+ if ( ((fbi->regs.lcdcon1 & S3C2410_LCDCON1_MODEMASK) == S3C2410_LCDCON1_STN8BPP) \
+ || ((fbi->regs.lcdcon1 & S3C2410_LCDCON1_MODEMASK) == S3C2410_LCDCON1_STN12BPP) ) {
+ hs = hs * 3;
+ }
+
+
fbi->regs.lcdcon3 &= ~S3C2410_LCDCON3_HOZVAL(0x7ff);
- fbi->regs.lcdcon3 |= S3C2410_LCDCON3_HOZVAL(var->xres - 1);
+ fbi->regs.lcdcon3 |= S3C2410_LCDCON3_HOZVAL(hs - 1);
if (var->pixclock > 0) {
int clkdiv = s3c2410fb_calc_pixclk(fbi, var->pixclock);
- clkdiv = (clkdiv / 2) -1;
- if (clkdiv < 0)
- clkdiv = 0;
+ if (fbi->mach_info->type == S3C2410_LCDCON1_TFT) {
+ clkdiv = (clkdiv / 2) -1;
+ if (clkdiv < 0)
+ clkdiv = 0;
+ }
+ else {
+ clkdiv = (clkdiv / 2);
+ if (clkdiv < 2)
+ clkdiv = 2;
+ }
fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_CLKVAL(0x3ff);
fbi->regs.lcdcon1 |= S3C2410_LCDCON1_CLKVAL(clkdiv);
struct s3c2410fb_info *fbi = info->par;
struct fb_var_screeninfo *var = &info->var;
- if (var->bits_per_pixel == 16)
- fbi->fb->fix.visual = FB_VISUAL_TRUECOLOR;
- else
- fbi->fb->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+ switch (var->bits_per_pixel)
+ {
+ case 16:
+ fbi->fb->fix.visual = FB_VISUAL_TRUECOLOR;
+ break;
+ case 1:
+ fbi->fb->fix.visual = FB_VISUAL_MONO01;
+ break;
+ default:
+ fbi->fb->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+ break;
+ }
fbi->fb->fix.line_length = (var->width*var->bits_per_pixel)/8;
}
}
-static irqreturn_t s3c2410fb_irq(int irq, void *dev_id, struct pt_regs *r)
+static irqreturn_t s3c2410fb_irq(int irq, void *dev_id)
{
struct s3c2410fb_info *fbi = dev_id;
unsigned long lcdirq = readl(S3C2410_LCDINTPND);
int ret;
int irq;
int i;
+ u32 lcdcon1;
mach_info = pdev->dev.platform_data;
if (mach_info == NULL) {
memcpy(&info->regs, &mach_info->regs, sizeof(info->regs));
+ /* Stop the video and unset ENVID if set */
+ info->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID;
+ lcdcon1 = readl(S3C2410_LCDCON1);
+ writel(lcdcon1 & ~S3C2410_LCDCON1_ENVID, S3C2410_LCDCON1);
+
info->mach_info = pdev->dev.platform_data;
fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
dprintk("got LCD region\n");
- ret = request_irq(irq, s3c2410fb_irq, SA_INTERRUPT, pdev->name, info);
+ ret = request_irq(irq, s3c2410fb_irq, IRQF_DISABLED, pdev->name, info);
if (ret) {
dev_err(&pdev->dev, "cannot get irq %d - err %d\n", irq, ret);
ret = -EBUSY;
* shutdown the lcd controller
*/
-static void s3c2410fb_stop_lcd(void)
+static void s3c2410fb_stop_lcd(struct s3c2410fb_info *fbi)
{
unsigned long flags;
- unsigned long tmp;
local_irq_save(flags);
- tmp = readl(S3C2410_LCDCON1);
- writel(tmp & ~S3C2410_LCDCON1_ENVID, S3C2410_LCDCON1);
+ fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID;
+ writel(fbi->regs.lcdcon1, S3C2410_LCDCON1);
local_irq_restore(flags);
}
struct s3c2410fb_info *info = fbinfo->par;
int irq;
- s3c2410fb_stop_lcd();
+ s3c2410fb_stop_lcd(info);
msleep(1);
s3c2410fb_unmap_video_memory(info);
struct fb_info *fbinfo = platform_get_drvdata(dev);
struct s3c2410fb_info *info = fbinfo->par;
- s3c2410fb_stop_lcd();
+ s3c2410fb_stop_lcd(info);
/* sleep before disabling the clock, we need to ensure
* the LCD DMA engine is not going to get back on the bus
git://git.onelab.eu / linux-2.6.git / blobdiff