Lines Matching refs:fbi
222 static inline int is_imx1_fb(struct imxfb_info *fbi) in is_imx1_fb() argument
224 return fbi->devtype == IMX1_FB; in is_imx1_fb()
280 struct imxfb_info *fbi = info->par; in imxfb_setpalettereg() local
284 if (regno < fbi->palette_size) { in imxfb_setpalettereg()
289 writel(val, fbi->regs + 0x800 + (regno << 2)); in imxfb_setpalettereg()
298 struct imxfb_info *fbi = info->par; in imxfb_setcolreg() local
308 if (fbi->cmap_inverse) { in imxfb_setcolreg()
349 static const struct imx_fb_videomode *imxfb_find_mode(struct imxfb_info *fbi) in imxfb_find_mode() argument
355 return &fbi->mode[0]; in imxfb_find_mode()
357 for (i = 0, m = &fbi->mode[0]; i < fbi->num_modes; i++, m++) { in imxfb_find_mode()
372 struct imxfb_info *fbi = info->par; in imxfb_check_var() local
384 imxfb_mode = imxfb_find_mode(fbi); in imxfb_check_var()
404 lcd_clk = clk_get_rate(fbi->clk_per); in imxfb_check_var()
417 dev_warn(&fbi->pdev->dev, "Must limit pixel clock to %luHz\n", in imxfb_check_var()
428 if (is_imx1_fb(fbi)) in imxfb_check_var()
447 fbi->pcr = pcr; in imxfb_check_var()
451 if (!is_imx1_fb(fbi) && imxfb_mode->aus_mode) in imxfb_check_var()
452 fbi->lauscr = LAUSCR_AUS_MODE; in imxfb_check_var()
455 fbi->panel_type = PANEL_TYPE_TFT; in imxfb_check_var()
457 fbi->panel_type = PANEL_TYPE_CSTN; in imxfb_check_var()
459 fbi->panel_type = PANEL_TYPE_MONOCHROME; in imxfb_check_var()
487 struct imxfb_info *fbi = info->par; in imxfb_set_par() local
492 else if (!fbi->cmap_static) in imxfb_set_par()
504 fbi->palette_size = var->bits_per_pixel == 8 ? 256 : 16; in imxfb_set_par()
511 static int imxfb_enable_controller(struct imxfb_info *fbi) in imxfb_enable_controller() argument
515 if (fbi->enabled) in imxfb_enable_controller()
520 writel(fbi->map_dma, fbi->regs + LCDC_SSA); in imxfb_enable_controller()
523 writel(FIELD_PREP(POS_POS_MASK, 0), fbi->regs + LCDC_POS); in imxfb_enable_controller()
526 writel(readl(fbi->regs + LCDC_CPOS) & ~(CPOS_CC0 | CPOS_CC1), in imxfb_enable_controller()
527 fbi->regs + LCDC_CPOS); in imxfb_enable_controller()
533 writel(RMCR_LCDC_EN_MX1, fbi->regs + LCDC_RMCR); in imxfb_enable_controller()
535 ret = clk_prepare_enable(fbi->clk_ipg); in imxfb_enable_controller()
539 ret = clk_prepare_enable(fbi->clk_ahb); in imxfb_enable_controller()
543 ret = clk_prepare_enable(fbi->clk_per); in imxfb_enable_controller()
547 fbi->enabled = true; in imxfb_enable_controller()
551 clk_disable_unprepare(fbi->clk_ahb); in imxfb_enable_controller()
553 clk_disable_unprepare(fbi->clk_ipg); in imxfb_enable_controller()
555 writel(0, fbi->regs + LCDC_RMCR); in imxfb_enable_controller()
560 static void imxfb_disable_controller(struct imxfb_info *fbi) in imxfb_disable_controller() argument
562 if (!fbi->enabled) in imxfb_disable_controller()
567 clk_disable_unprepare(fbi->clk_per); in imxfb_disable_controller()
568 clk_disable_unprepare(fbi->clk_ahb); in imxfb_disable_controller()
569 clk_disable_unprepare(fbi->clk_ipg); in imxfb_disable_controller()
570 fbi->enabled = false; in imxfb_disable_controller()
572 writel(0, fbi->regs + LCDC_RMCR); in imxfb_disable_controller()
577 struct imxfb_info *fbi = info->par; in imxfb_blank() local
586 imxfb_disable_controller(fbi); in imxfb_blank()
590 return imxfb_enable_controller(fbi); in imxfb_blank()
611 struct imxfb_info *fbi = info->par; in imxfb_activate_var() local
612 u32 ymax_mask = is_imx1_fb(fbi) ? YMAX_MASK_IMX1 : YMAX_MASK_IMX21; in imxfb_activate_var()
622 if (fbi->panel_type == PANEL_TYPE_TFT) in imxfb_activate_var()
624 else if (fbi->panel_type == PANEL_TYPE_CSTN) in imxfb_activate_var()
631 dev_err(&fbi->pdev->dev, "%s: invalid xres %d\n", in imxfb_activate_var()
634 dev_err(&fbi->pdev->dev, "%s: invalid hsync_len %d\n", in imxfb_activate_var()
637 dev_err(&fbi->pdev->dev, "%s: invalid left_margin %d\n", in imxfb_activate_var()
640 dev_err(&fbi->pdev->dev, "%s: invalid right_margin %d\n", in imxfb_activate_var()
643 dev_err(&fbi->pdev->dev, "%s: invalid yres %d\n", in imxfb_activate_var()
646 dev_err(&fbi->pdev->dev, "%s: invalid vsync_len %d\n", in imxfb_activate_var()
649 dev_err(&fbi->pdev->dev, "%s: invalid upper_margin %d\n", in imxfb_activate_var()
652 dev_err(&fbi->pdev->dev, "%s: invalid lower_margin %d\n", in imxfb_activate_var()
659 fbi->regs + LCDC_VPW); in imxfb_activate_var()
665 fbi->regs + LCDC_HCR); in imxfb_activate_var()
670 fbi->regs + LCDC_VCR); in imxfb_activate_var()
674 fbi->regs + LCDC_SIZE); in imxfb_activate_var()
676 writel(fbi->pcr, fbi->regs + LCDC_PCR); in imxfb_activate_var()
677 if (fbi->pwmr) in imxfb_activate_var()
678 writel(fbi->pwmr, fbi->regs + LCDC_PWMR); in imxfb_activate_var()
679 writel(fbi->lscr1, fbi->regs + LCDC_LSCR1); in imxfb_activate_var()
682 if (fbi->dmacr) in imxfb_activate_var()
683 writel(fbi->dmacr, fbi->regs + LCDC_DMACR); in imxfb_activate_var()
685 if (fbi->lauscr) in imxfb_activate_var()
686 writel(fbi->lauscr, fbi->regs + LCDC_LAUSCR); in imxfb_activate_var()
694 struct imxfb_info *fbi = info->par; in imxfb_init_fbinfo() local
702 memset(fbi, 0, sizeof(struct imxfb_info)); in imxfb_init_fbinfo()
704 fbi->pdev = pdev; in imxfb_init_fbinfo()
705 fbi->devtype = pdev->id_entry->driver_data; in imxfb_init_fbinfo()
729 fbi->cmap_inverse = of_property_read_bool(np, "cmap-inverse"); in imxfb_init_fbinfo()
730 fbi->cmap_static = of_property_read_bool(np, "cmap-static"); in imxfb_init_fbinfo()
732 fbi->lscr1 = IMXFB_LSCR1_DEFAULT; in imxfb_init_fbinfo()
734 of_property_read_u32(np, "fsl,lpccr", &fbi->pwmr); in imxfb_init_fbinfo()
736 of_property_read_u32(np, "fsl,lscr1", &fbi->lscr1); in imxfb_init_fbinfo()
738 of_property_read_u32(np, "fsl,dmacr", &fbi->dmacr); in imxfb_init_fbinfo()
787 struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); in imxfb_lcd_check_fb() local
789 if (!fi || fi->par == fbi) in imxfb_lcd_check_fb()
797 struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); in imxfb_lcd_get_contrast() local
799 return fbi->pwmr & 0xff; in imxfb_lcd_get_contrast()
804 struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); in imxfb_lcd_set_contrast() local
806 if (fbi->pwmr && fbi->enabled) { in imxfb_lcd_set_contrast()
812 fbi->pwmr &= ~0xff; in imxfb_lcd_set_contrast()
813 fbi->pwmr |= contrast; in imxfb_lcd_set_contrast()
815 writel(fbi->pwmr, fbi->regs + LCDC_PWMR); in imxfb_lcd_set_contrast()
823 struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); in imxfb_lcd_get_power() local
825 if (!IS_ERR(fbi->lcd_pwr) && in imxfb_lcd_get_power()
826 !regulator_is_enabled(fbi->lcd_pwr)) in imxfb_lcd_get_power()
832 static int imxfb_regulator_set(struct imxfb_info *fbi, int enable) in imxfb_regulator_set() argument
836 if (enable == fbi->lcd_pwr_enabled) in imxfb_regulator_set()
840 ret = regulator_enable(fbi->lcd_pwr); in imxfb_regulator_set()
842 ret = regulator_disable(fbi->lcd_pwr); in imxfb_regulator_set()
845 fbi->lcd_pwr_enabled = enable; in imxfb_regulator_set()
852 struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev); in imxfb_lcd_set_power() local
854 if (!IS_ERR(fbi->lcd_pwr)) in imxfb_lcd_set_power()
855 return imxfb_regulator_set(fbi, power == FB_BLANK_UNBLANK); in imxfb_lcd_set_power()
890 struct imxfb_info *fbi; in imxfb_probe() local
913 fbi = info->par; in imxfb_probe()
934 fbi->num_modes = 1; in imxfb_probe()
936 fbi->mode = devm_kzalloc(&pdev->dev, in imxfb_probe()
938 if (!fbi->mode) { in imxfb_probe()
944 ret = imxfb_of_read_mode(&pdev->dev, display_np, fbi->mode); in imxfb_probe()
953 m = &fbi->mode[0]; in imxfb_probe()
955 for (i = 0; i < fbi->num_modes; i++, m++) in imxfb_probe()
959 fbi->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in imxfb_probe()
960 if (IS_ERR(fbi->clk_ipg)) { in imxfb_probe()
961 ret = PTR_ERR(fbi->clk_ipg); in imxfb_probe()
975 ret = clk_prepare_enable(fbi->clk_ipg); in imxfb_probe()
978 clk_disable_unprepare(fbi->clk_ipg); in imxfb_probe()
980 fbi->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); in imxfb_probe()
981 if (IS_ERR(fbi->clk_ahb)) { in imxfb_probe()
982 ret = PTR_ERR(fbi->clk_ahb); in imxfb_probe()
986 fbi->clk_per = devm_clk_get(&pdev->dev, "per"); in imxfb_probe()
987 if (IS_ERR(fbi->clk_per)) { in imxfb_probe()
988 ret = PTR_ERR(fbi->clk_per); in imxfb_probe()
992 fbi->regs = devm_platform_ioremap_resource(pdev, 0); in imxfb_probe()
993 if (IS_ERR(fbi->regs)) { in imxfb_probe()
994 ret = PTR_ERR(fbi->regs); in imxfb_probe()
998 fbi->map_size = PAGE_ALIGN(info->fix.smem_len); in imxfb_probe()
999 info->screen_buffer = dma_alloc_wc(&pdev->dev, fbi->map_size, in imxfb_probe()
1000 &fbi->map_dma, GFP_KERNEL); in imxfb_probe()
1007 info->fix.smem_start = fbi->map_dma; in imxfb_probe()
1010 for (i = 0; i < fbi->num_modes; i++) in imxfb_probe()
1011 fb_add_videomode(&fbi->mode[i].mode, &info->modelist); in imxfb_probe()
1034 fbi->lcd_pwr = devm_regulator_get(&pdev->dev, "lcd"); in imxfb_probe()
1035 if (PTR_ERR(fbi->lcd_pwr) == -EPROBE_DEFER) { in imxfb_probe()
1040 lcd = devm_lcd_device_register(&pdev->dev, "imxfb-lcd", &pdev->dev, fbi, in imxfb_probe()
1049 imxfb_enable_controller(fbi); in imxfb_probe()
1058 dma_free_wc(&pdev->dev, fbi->map_size, info->screen_buffer, in imxfb_probe()
1059 fbi->map_dma); in imxfb_probe()
1068 struct imxfb_info *fbi = info->par; in imxfb_remove() local
1070 imxfb_disable_controller(fbi); in imxfb_remove()
1074 dma_free_wc(&pdev->dev, fbi->map_size, info->screen_buffer, in imxfb_remove()
1075 fbi->map_dma); in imxfb_remove()
1082 struct imxfb_info *fbi = info->par; in imxfb_suspend() local
1084 imxfb_disable_controller(fbi); in imxfb_suspend()
1092 struct imxfb_info *fbi = info->par; in imxfb_resume() local
1094 imxfb_enable_controller(fbi); in imxfb_resume()