diff options
Diffstat (limited to 'recipes-kernel/linux/linux-handheld-4.0/locomo/0013-video-backlight-drop-old-locomo-bl-lcd-driver.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-handheld-4.0/locomo/0013-video-backlight-drop-old-locomo-bl-lcd-driver.patch | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-handheld-4.0/locomo/0013-video-backlight-drop-old-locomo-bl-lcd-driver.patch b/recipes-kernel/linux/linux-handheld-4.0/locomo/0013-video-backlight-drop-old-locomo-bl-lcd-driver.patch new file mode 100644 index 0000000..1713af7 --- /dev/null +++ b/recipes-kernel/linux/linux-handheld-4.0/locomo/0013-video-backlight-drop-old-locomo-bl-lcd-driver.patch @@ -0,0 +1,278 @@ +From 19c650358a308711b8f7e6e46acf778596f8c45a Mon Sep 17 00:00:00 2001 +From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> +Date: Thu, 5 Dec 2013 00:07:17 +0400 +Subject: [PATCH 13/20] video: backlight: drop old locomo bl/lcd driver + +Old locomolcd driver is now completely obsolete by new locomo_bl and +locomo_lcd drivers, so let's drop it. + +Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> +--- + drivers/video/backlight/locomolcd.c | 255 ------------------------------------ + 1 file changed, 255 deletions(-) + delete mode 100644 drivers/video/backlight/locomolcd.c + +diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c +deleted file mode 100644 +index 6c3ec42..0000000 +--- a/drivers/video/backlight/locomolcd.c ++++ /dev/null +@@ -1,255 +0,0 @@ +-/* +- * Backlight control code for Sharp Zaurus SL-5500 +- * +- * Copyright 2005 John Lenz <lenz@cs.wisc.edu> +- * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-) +- * GPL v2 +- * +- * This driver assumes single CPU. That's okay, because collie is +- * slightly old hardware, and no one is going to retrofit second CPU to +- * old PDA. +- */ +- +-/* LCD power functions */ +-#include <linux/module.h> +-#include <linux/init.h> +-#include <linux/delay.h> +-#include <linux/device.h> +-#include <linux/interrupt.h> +-#include <linux/fb.h> +-#include <linux/backlight.h> +- +-#include <asm/hardware/locomo.h> +-#include <asm/irq.h> +-#include <asm/mach/sharpsl_param.h> +-#include <asm/mach-types.h> +- +-#include "../../../arch/arm/mach-sa1100/generic.h" +- +-static struct backlight_device *locomolcd_bl_device; +-static struct locomo_dev *locomolcd_dev; +-static unsigned long locomolcd_flags; +-#define LOCOMOLCD_SUSPENDED 0x01 +- +-static void locomolcd_on(int comadj) +-{ +- locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 1); +- mdelay(2); +- +- locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 1); +- mdelay(2); +- +- locomo_m62332_senddata(locomolcd_dev, comadj, 0); +- mdelay(5); +- +- locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 1); +- mdelay(10); +- +- /* TFTCRST | CPSOUT=0 | CPSEN */ +- locomo_writel(0x01, locomolcd_dev->mapbase + LOCOMO_TC); +- +- /* Set CPSD */ +- locomo_writel(6, locomolcd_dev->mapbase + LOCOMO_CPSD); +- +- /* TFTCRST | CPSOUT=0 | CPSEN */ +- locomo_writel((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC); +- mdelay(10); +- +- locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 1); +-} +- +-static void locomolcd_off(int comadj) +-{ +- /* TFTCRST=1 | CPSOUT=1 | CPSEN = 0 */ +- locomo_writel(0x06, locomolcd_dev->mapbase + LOCOMO_TC); +- mdelay(1); +- +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0); +- mdelay(110); +- +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0); +- mdelay(700); +- +- /* TFTCRST=0 | CPSOUT=0 | CPSEN = 0 */ +- locomo_writel(0, locomolcd_dev->mapbase + LOCOMO_TC); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0); +- locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0); +-} +- +-void locomolcd_power(int on) +-{ +- int comadj = sharpsl_param.comadj; +- unsigned long flags; +- +- local_irq_save(flags); +- +- if (!locomolcd_dev) { +- local_irq_restore(flags); +- return; +- } +- +- /* read comadj */ +- if (comadj == -1 && machine_is_collie()) +- comadj = 128; +- if (comadj == -1 && machine_is_poodle()) +- comadj = 118; +- +- if (on) +- locomolcd_on(comadj); +- else +- locomolcd_off(comadj); +- +- local_irq_restore(flags); +-} +-EXPORT_SYMBOL(locomolcd_power); +- +-static int current_intensity; +- +-static int locomolcd_set_intensity(struct backlight_device *bd) +-{ +- int intensity = bd->props.brightness; +- +- if (bd->props.power != FB_BLANK_UNBLANK) +- intensity = 0; +- if (bd->props.fb_blank != FB_BLANK_UNBLANK) +- intensity = 0; +- if (locomolcd_flags & LOCOMOLCD_SUSPENDED) +- intensity = 0; +- +- switch (intensity) { +- /* +- * AC and non-AC are handled differently, +- * but produce same results in sharp code? +- */ +- case 0: +- locomo_frontlight_set(locomolcd_dev, 0, 0, 161); +- break; +- case 1: +- locomo_frontlight_set(locomolcd_dev, 117, 0, 161); +- break; +- case 2: +- locomo_frontlight_set(locomolcd_dev, 163, 0, 148); +- break; +- case 3: +- locomo_frontlight_set(locomolcd_dev, 194, 0, 161); +- break; +- case 4: +- locomo_frontlight_set(locomolcd_dev, 194, 1, 161); +- break; +- default: +- return -ENODEV; +- } +- current_intensity = intensity; +- return 0; +-} +- +-static int locomolcd_get_intensity(struct backlight_device *bd) +-{ +- return current_intensity; +-} +- +-static const struct backlight_ops locomobl_data = { +- .get_brightness = locomolcd_get_intensity, +- .update_status = locomolcd_set_intensity, +-}; +- +-#ifdef CONFIG_PM_SLEEP +-static int locomolcd_suspend(struct device *dev) +-{ +- locomolcd_flags |= LOCOMOLCD_SUSPENDED; +- locomolcd_set_intensity(locomolcd_bl_device); +- return 0; +-} +- +-static int locomolcd_resume(struct device *dev) +-{ +- locomolcd_flags &= ~LOCOMOLCD_SUSPENDED; +- locomolcd_set_intensity(locomolcd_bl_device); +- return 0; +-} +-#endif +- +-static SIMPLE_DEV_PM_OPS(locomolcd_pm_ops, locomolcd_suspend, locomolcd_resume); +- +-static int locomolcd_probe(struct locomo_dev *ldev) +-{ +- struct backlight_properties props; +- unsigned long flags; +- +- local_irq_save(flags); +- locomolcd_dev = ldev; +- +- locomo_gpio_set_dir(ldev->dev.parent, LOCOMO_GPIO_FL_VR, 0); +- +- /* +- * the poodle_lcd_power function is called for the first time +- * from fs_initcall, which is before locomo is activated. +- * We need to recall poodle_lcd_power here +- */ +- if (machine_is_poodle()) +- locomolcd_power(1); +- +- local_irq_restore(flags); +- +- memset(&props, 0, sizeof(struct backlight_properties)); +- props.type = BACKLIGHT_RAW; +- props.max_brightness = 4; +- locomolcd_bl_device = backlight_device_register("locomo-bl", +- &ldev->dev, NULL, +- &locomobl_data, &props); +- +- if (IS_ERR(locomolcd_bl_device)) +- return PTR_ERR(locomolcd_bl_device); +- +- /* Set up frontlight so that screen is readable */ +- locomolcd_bl_device->props.brightness = 2; +- locomolcd_set_intensity(locomolcd_bl_device); +- +- return 0; +-} +- +-static int locomolcd_remove(struct locomo_dev *dev) +-{ +- unsigned long flags; +- +- locomolcd_bl_device->props.brightness = 0; +- locomolcd_bl_device->props.power = 0; +- locomolcd_set_intensity(locomolcd_bl_device); +- +- backlight_device_unregister(locomolcd_bl_device); +- local_irq_save(flags); +- locomolcd_dev = NULL; +- local_irq_restore(flags); +- return 0; +-} +- +-static struct locomo_driver poodle_lcd_driver = { +- .drv = { +- .name = "locomo-backlight", +- .pm = &locomolcd_pm_ops, +- }, +- .devid = LOCOMO_DEVID_BACKLIGHT, +- .probe = locomolcd_probe, +- .remove = locomolcd_remove, +-}; +- +-static int __init locomolcd_init(void) +-{ +- return locomo_driver_register(&poodle_lcd_driver); +-} +- +-static void __exit locomolcd_exit(void) +-{ +- locomo_driver_unregister(&poodle_lcd_driver); +-} +- +-module_init(locomolcd_init); +-module_exit(locomolcd_exit); +- +-MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>"); +-MODULE_DESCRIPTION("Collie LCD driver"); +-MODULE_LICENSE("GPL"); +-- +1.9.1 + |