61 static int is_s3c2412(struct s3c2410fb_info *fbi)  in is_s3c2412()  argument
63 	return (fbi->drv_type == DRV_S3C2412);  in is_s3c2412()
73 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_set_lcdaddr()  local
74 	void __iomem *regs = fbi->io;  in s3c2410fb_set_lcdaddr()
97 static unsigned int s3c2410fb_calc_pixclk(struct s3c2410fb_info *fbi,  in s3c2410fb_calc_pixclk()  argument
100 	unsigned long clk = fbi->clk_rate;  in s3c2410fb_calc_pixclk()
125 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_check_var()  local
126 	struct s3c2410fb_mach_info *mach_info = dev_get_platdata(fbi->dev);  in s3c2410fb_check_var()
172 	fbi->regs.lcdcon5 = display->lcdcon5;  in s3c2410fb_check_var()
174 	fbi->regs.lcdcon1 = display->type;  in s3c2410fb_check_var()
254 	const struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_calculate_stn_lcd_regs()  local
285 		dev_err(fbi->dev, "invalid bpp %d\n",  in s3c2410fb_calculate_stn_lcd_regs()
314 	const struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_calculate_tft_lcd_regs()  local
346 		dev_err(fbi->dev, "invalid bpp %d\n",  in s3c2410fb_calculate_tft_lcd_regs()
375 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_activate_var()  local
376 	void __iomem *regs = fbi->io;  in s3c2410fb_activate_var()
377 	int type = fbi->regs.lcdcon1 & S3C2410_LCDCON1_TFT;  in s3c2410fb_activate_var()
381 	clkdiv = DIV_ROUND_UP(s3c2410fb_calc_pixclk(fbi, var->pixclock), 2);  in s3c2410fb_activate_var()
388 		s3c2410fb_calculate_tft_lcd_regs(info, &fbi->regs);  in s3c2410fb_activate_var()
393 		s3c2410fb_calculate_stn_lcd_regs(info, &fbi->regs);  in s3c2410fb_activate_var()
398 	fbi->regs.lcdcon1 |=  S3C2410_LCDCON1_CLKVAL(clkdiv);  in s3c2410fb_activate_var()
403 	dprintk("lcdcon[1] = 0x%08lx\n", fbi->regs.lcdcon1);  in s3c2410fb_activate_var()
404 	dprintk("lcdcon[2] = 0x%08lx\n", fbi->regs.lcdcon2);  in s3c2410fb_activate_var()
405 	dprintk("lcdcon[3] = 0x%08lx\n", fbi->regs.lcdcon3);  in s3c2410fb_activate_var()
406 	dprintk("lcdcon[4] = 0x%08lx\n", fbi->regs.lcdcon4);  in s3c2410fb_activate_var()
407 	dprintk("lcdcon[5] = 0x%08lx\n", fbi->regs.lcdcon5);  in s3c2410fb_activate_var()
409 	writel(fbi->regs.lcdcon1 & ~S3C2410_LCDCON1_ENVID,  in s3c2410fb_activate_var()
411 	writel(fbi->regs.lcdcon2, regs + S3C2410_LCDCON2);  in s3c2410fb_activate_var()
412 	writel(fbi->regs.lcdcon3, regs + S3C2410_LCDCON3);  in s3c2410fb_activate_var()
413 	writel(fbi->regs.lcdcon4, regs + S3C2410_LCDCON4);  in s3c2410fb_activate_var()
414 	writel(fbi->regs.lcdcon5, regs + S3C2410_LCDCON5);  in s3c2410fb_activate_var()
419 	fbi->regs.lcdcon1 |= S3C2410_LCDCON1_ENVID,  in s3c2410fb_activate_var()
420 	writel(fbi->regs.lcdcon1, regs + S3C2410_LCDCON1);  in s3c2410fb_activate_var()
454 static void schedule_palette_update(struct s3c2410fb_info *fbi,  in schedule_palette_update()  argument
459 	void __iomem *irq_base = fbi->irq_base;  in schedule_palette_update()
463 	fbi->palette_buffer[regno] = val;  in schedule_palette_update()
465 	if (!fbi->palette_ready) {  in schedule_palette_update()
466 		fbi->palette_ready = 1;  in schedule_palette_update()
490 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_setcolreg()  local
491 	void __iomem *regs = fbi->io;  in s3c2410fb_setcolreg()
521 			schedule_palette_update(fbi, regno, val);  in s3c2410fb_setcolreg()
537 static void s3c2410fb_lcd_enable(struct s3c2410fb_info *fbi, int enable)  in s3c2410fb_lcd_enable()  argument
544 		fbi->regs.lcdcon1 |= S3C2410_LCDCON1_ENVID;  in s3c2410fb_lcd_enable()
546 		fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID;  in s3c2410fb_lcd_enable()
548 	writel(fbi->regs.lcdcon1, fbi->io + S3C2410_LCDCON1);  in s3c2410fb_lcd_enable()
569 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_blank()  local
570 	void __iomem *tpal_reg = fbi->io;  in s3c2410fb_blank()
574 	tpal_reg += is_s3c2412(fbi) ? S3C2412_TPAL : S3C2410_TPAL;  in s3c2410fb_blank()
577 		s3c2410fb_lcd_enable(fbi, 0);  in s3c2410fb_blank()
579 		s3c2410fb_lcd_enable(fbi, 1);  in s3c2410fb_blank()
642 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_map_video_memory()  local
646 	dprintk("map_video_memory(fbi=%p) map_size %u\n", fbi, map_size);  in s3c2410fb_map_video_memory()
648 	info->screen_base = dma_alloc_writecombine(fbi->dev, map_size,  in s3c2410fb_map_video_memory()
668 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_unmap_video_memory()  local
670 	dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len),  in s3c2410fb_unmap_video_memory()
688 	struct s3c2410fb_info *fbi = info->par;  in s3c2410fb_init_registers()  local
689 	struct s3c2410fb_mach_info *mach_info = dev_get_platdata(fbi->dev);  in s3c2410fb_init_registers()
691 	void __iomem *regs = fbi->io;  in s3c2410fb_init_registers()
695 	if (is_s3c2412(fbi)) {  in s3c2410fb_init_registers()
727 static void s3c2410fb_write_palette(struct s3c2410fb_info *fbi)  in s3c2410fb_write_palette()  argument
730 	void __iomem *regs = fbi->io;  in s3c2410fb_write_palette()
732 	fbi->palette_ready = 0;  in s3c2410fb_write_palette()
735 		unsigned long ent = fbi->palette_buffer[i];  in s3c2410fb_write_palette()
747 			fbi->palette_buffer[i] = PALETTE_BUFF_CLEAR;  in s3c2410fb_write_palette()
749 			fbi->palette_ready = 1;   /* retry */  in s3c2410fb_write_palette()
755 	struct s3c2410fb_info *fbi = dev_id;  in s3c2410fb_irq()  local
756 	void __iomem *irq_base = fbi->irq_base;  in s3c2410fb_irq()
760 		if (fbi->palette_ready)  in s3c2410fb_irq()
761 			s3c2410fb_write_palette(fbi);  in s3c2410fb_irq()