From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Tue, 9 Jun 2015 07:55:34 +0100 Subject: [PATCH v5 16/17] video: backlight: drop old locomo bl/lcd driver In-Reply-To: <1433797008-6246-17-git-send-email-dbaryshkov@gmail.com> References: <1433797008-6246-1-git-send-email-dbaryshkov@gmail.com> <1433797008-6246-17-git-send-email-dbaryshkov@gmail.com> Message-ID: <20150609065534.GB2982@x1> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 08 Jun 2015, Dmitry Eremin-Solenikov wrote: > 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 > --- > drivers/video/backlight/locomolcd.c | 255 ------------------------------------ > 1 file changed, 255 deletions(-) > delete mode 100644 drivers/video/backlight/locomolcd.c Acked-by: Lee Jones > 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 > - * Maintainer: Pavel Machek (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 > -#include > -#include > -#include > -#include > -#include > -#include > - > -#include > -#include > -#include > -#include > - > -#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 , Pavel Machek "); > -MODULE_DESCRIPTION("Collie LCD driver"); > -MODULE_LICENSE("GPL"); -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? 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