^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Backlight control code for Sharp Zaurus SL-5500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2005 John Lenz <lenz@cs.wisc.edu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * This driver assumes single CPU. That's okay, because collie is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * slightly old hardware, and no one is going to retrofit second CPU to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * old PDA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /* LCD power functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/hardware/locomo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <asm/mach/sharpsl_param.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include "../../../arch/arm/mach-sa1100/generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static struct backlight_device *locomolcd_bl_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static struct locomo_dev *locomolcd_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static unsigned long locomolcd_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define LOCOMOLCD_SUSPENDED 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static void locomolcd_on(int comadj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) mdelay(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) mdelay(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) locomo_m62332_senddata(locomolcd_dev, comadj, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) mdelay(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) mdelay(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* TFTCRST | CPSOUT=0 | CPSEN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) locomo_writel(0x01, locomolcd_dev->mapbase + LOCOMO_TC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* Set CPSD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) locomo_writel(6, locomolcd_dev->mapbase + LOCOMO_CPSD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* TFTCRST | CPSOUT=0 | CPSEN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) locomo_writel((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) mdelay(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static void locomolcd_off(int comadj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* TFTCRST=1 | CPSOUT=1 | CPSEN = 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) locomo_writel(0x06, locomolcd_dev->mapbase + LOCOMO_TC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) mdelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) mdelay(110);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VEE_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) mdelay(700);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* TFTCRST=0 | CPSOUT=0 | CPSEN = 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) locomo_writel(0, locomolcd_dev->mapbase + LOCOMO_TC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) void locomolcd_power(int on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int comadj = sharpsl_param.comadj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if (!locomolcd_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* read comadj */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (comadj == -1 && machine_is_collie())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) comadj = 128;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (comadj == -1 && machine_is_poodle())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) comadj = 118;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) locomolcd_on(comadj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) locomolcd_off(comadj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) EXPORT_SYMBOL(locomolcd_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static int current_intensity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static int locomolcd_set_intensity(struct backlight_device *bd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int intensity = backlight_get_brightness(bd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (locomolcd_flags & LOCOMOLCD_SUSPENDED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) intensity = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) switch (intensity) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * AC and non-AC are handled differently,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) * but produce same results in sharp code?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) locomo_frontlight_set(locomolcd_dev, 0, 0, 161);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) locomo_frontlight_set(locomolcd_dev, 117, 0, 161);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) locomo_frontlight_set(locomolcd_dev, 163, 0, 148);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) locomo_frontlight_set(locomolcd_dev, 194, 0, 161);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) locomo_frontlight_set(locomolcd_dev, 194, 1, 161);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) current_intensity = intensity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int locomolcd_get_intensity(struct backlight_device *bd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return current_intensity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static const struct backlight_ops locomobl_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .get_brightness = locomolcd_get_intensity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .update_status = locomolcd_set_intensity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static int locomolcd_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) locomolcd_flags |= LOCOMOLCD_SUSPENDED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) locomolcd_set_intensity(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static int locomolcd_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) locomolcd_flags &= ~LOCOMOLCD_SUSPENDED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) locomolcd_set_intensity(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static SIMPLE_DEV_PM_OPS(locomolcd_pm_ops, locomolcd_suspend, locomolcd_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int locomolcd_probe(struct locomo_dev *ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct backlight_properties props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) locomolcd_dev = ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) locomo_gpio_set_dir(ldev->dev.parent, LOCOMO_GPIO_FL_VR, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * the poodle_lcd_power function is called for the first time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * from fs_initcall, which is before locomo is activated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * We need to recall poodle_lcd_power here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (machine_is_poodle())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) locomolcd_power(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) memset(&props, 0, sizeof(struct backlight_properties));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) props.type = BACKLIGHT_RAW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) props.max_brightness = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) locomolcd_bl_device = backlight_device_register("locomo-bl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) &ldev->dev, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) &locomobl_data, &props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (IS_ERR(locomolcd_bl_device))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return PTR_ERR(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* Set up frontlight so that screen is readable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) locomolcd_bl_device->props.brightness = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) locomolcd_set_intensity(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static int locomolcd_remove(struct locomo_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) locomolcd_bl_device->props.brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) locomolcd_bl_device->props.power = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) locomolcd_set_intensity(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) backlight_device_unregister(locomolcd_bl_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) local_irq_save(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) locomolcd_dev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) local_irq_restore(flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static struct locomo_driver poodle_lcd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .drv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .name = "locomo-backlight",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .pm = &locomolcd_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .devid = LOCOMO_DEVID_BACKLIGHT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .probe = locomolcd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .remove = locomolcd_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static int __init locomolcd_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return locomo_driver_register(&poodle_lcd_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static void __exit locomolcd_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) locomo_driver_unregister(&poodle_lcd_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) module_init(locomolcd_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) module_exit(locomolcd_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) MODULE_DESCRIPTION("Collie LCD driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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