diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1016-gta01-vibrator.patch.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1016-gta01-vibrator.patch.patch | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1016-gta01-vibrator.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1016-gta01-vibrator.patch.patch new file mode 100644 index 000000000..bec59990b --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1016-gta01-vibrator.patch.patch @@ -0,0 +1,244 @@ +From f7ad7d5e90a4ab68e7e25df3bd4a56b6c23f5e45 Mon Sep 17 00:00:00 2001 +From: mokopatches <mokopatches@openmoko.org> +Date: Fri, 4 Apr 2008 11:31:55 +0100 +Subject: [PATCH] gta01-vibrator.patch + This patch adds driver support for the vibator device of the FIC/OpenMoko + Neo1973 GSM phone. The driver uses the existing LED class driver framework, + since there's a lot of similarity between the LED and the vibrator function. + +Signed-off-by: Harald Welte <laforge@openmoko.org> +--- + drivers/leds/Kconfig | 8 ++- + drivers/leds/Makefile | 1 + + drivers/leds/leds-neo1973-vibrator.c | 181 ++++++++++++++++++++++++++++++++++ + 3 files changed, 189 insertions(+), 1 deletions(-) + create mode 100644 drivers/leds/leds-neo1973-vibrator.c + +diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig +index ec568fa..4579a88 100644 +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig +@@ -57,7 +57,7 @@ config LEDS_TOSA + + config LEDS_S3C24XX + tristate "LED Support for Samsung S3C24XX GPIO LEDs" +- depends on LEDS_CLASS && ARCH_S3C2410 ++ depends on LEDS_CLASS && ARCH_S3C2410 && S3C2410_PWM + help + This option enables support for LEDs connected to GPIO lines + on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440. +@@ -114,6 +114,12 @@ config LEDS_CM_X270 + help + This option enables support for the CM-X270 LEDs. + ++config LEDS_NEO1973_VIBRATOR ++ tristate "Vibrator Support for the FIC Neo1973 GSM phone" ++ depends on LEDS_CLASS && MACH_NEO1973 ++ help ++ This option enables support for the vibrator on the FIC Neo1973. ++ + comment "LED Triggers" + + config LEDS_TRIGGERS +diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile +index a60de1b..f64332d 100644 +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile +@@ -19,6 +19,7 @@ obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o + obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o + obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o + obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o ++obj-$(CONFIG_LEDS_NEO1973_VIBRATOR) += leds-neo1973-vibrator.o + + # LED Triggers + obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o +diff --git a/drivers/leds/leds-neo1973-vibrator.c b/drivers/leds/leds-neo1973-vibrator.c +new file mode 100644 +index 0000000..0336e36 +--- /dev/null ++++ b/drivers/leds/leds-neo1973-vibrator.c +@@ -0,0 +1,181 @@ ++/* ++ * LED driver for the vibrator of the FIC Neo1973 GSM Phone ++ * ++ * (C) 2006-2007 by OpenMoko, Inc. ++ * Author: Harald Welte <laforge@openmoko.org> ++ * All rights reserved. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Javi Roman <javiroman@kernel-labs.org>: ++ * Implement PWM support for GTA01Bv4 and later ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> ++#include <linux/leds.h> ++#include <asm/hardware.h> ++#include <asm/mach-types.h> ++#include <asm/arch/pwm.h> ++#include <asm/arch/gta01.h> ++#include <asm/plat-s3c/regs-timer.h> ++ ++#define COUNTER 64 ++ ++struct neo1973_vib_priv { ++ struct led_classdev cdev; ++ unsigned int gpio; ++ struct mutex mutex; ++ unsigned int has_pwm; ++ struct s3c2410_pwm pwm; ++}; ++ ++static void neo1973_vib_vib_set(struct led_classdev *led_cdev, ++ enum led_brightness value) ++{ ++ struct neo1973_vib_priv *vp = ++ container_of(led_cdev, struct neo1973_vib_priv, cdev); ++ ++ /* ++ * value == 255 -> 99% duty cycle (full power) ++ * value == 128 -> 50% duty cycle (medium power) ++ * value == 0 -> 0% duty cycle (zero power) ++ */ ++ mutex_lock(&vp->mutex); ++ if (vp->has_pwm) ++ s3c2410_pwm_duty_cycle(value/4, &vp->pwm); ++ else { ++ if (value) ++ s3c2410_gpio_setpin(vp->gpio, 1); ++ else ++ s3c2410_gpio_setpin(vp->gpio, 0); ++ } ++ ++ mutex_unlock(&vp->mutex); ++} ++ ++static struct neo1973_vib_priv neo1973_vib_led = { ++ .cdev = { ++ .name = "neo1973:vibrator", ++ .brightness_set = neo1973_vib_vib_set, ++ }, ++}; ++ ++static int neo1973_vib_init_hw(struct neo1973_vib_priv *vp) ++{ ++ int rc; ++ ++ rc = s3c2410_pwm_init(&vp->pwm); ++ if (rc) ++ return rc; ++ ++ vp->pwm.timerid = PWM3; ++ /* use same prescaler as arch/arm/plat-s3c24xx/time.c */ ++ vp->pwm.prescaler = (6 - 1) / 2; ++ vp->pwm.divider = S3C2410_TCFG1_MUX3_DIV2; ++ vp->pwm.counter = COUNTER; ++ vp->pwm.comparer = COUNTER; ++ ++ rc = s3c2410_pwm_enable(&vp->pwm); ++ if (rc) ++ return rc; ++ ++ s3c2410_pwm_start(&vp->pwm); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++static int neo1973_vib_suspend(struct platform_device *dev, pm_message_t state) ++{ ++ led_classdev_suspend(&neo1973_vib_led.cdev); ++ return 0; ++} ++ ++static int neo1973_vib_resume(struct platform_device *dev) ++{ ++ struct neo1973_vib_priv *vp = platform_get_drvdata(dev); ++ ++ if (vp->has_pwm) ++ neo1973_vib_init_hw(vp); ++ ++ led_classdev_resume(&neo1973_vib_led.cdev); ++ ++ return 0; ++} ++#endif /* CONFIG_PM */ ++ ++static int __init neo1973_vib_probe(struct platform_device *pdev) ++{ ++ struct resource *r; ++ int rc; ++ ++ if (!machine_is_neo1973_gta01()) ++ return -EIO; ++ ++ r = platform_get_resource(pdev, 0, 0); ++ if (!r || !r->start) ++ return -EIO; ++ ++ neo1973_vib_led.gpio = r->start; ++ platform_set_drvdata(pdev, &neo1973_vib_led); ++ ++ /* TOUT3 */ ++ if (neo1973_vib_led.gpio == S3C2410_GPB3) { ++ rc = neo1973_vib_init_hw(&neo1973_vib_led); ++ if (rc) ++ return rc; ++ ++ s3c2410_pwm_duty_cycle(0, &neo1973_vib_led.pwm); ++ s3c2410_gpio_cfgpin(neo1973_vib_led.gpio, S3C2410_GPB3_TOUT3); ++ neo1973_vib_led.has_pwm = 1; ++ } ++ ++ mutex_init(&neo1973_vib_led.mutex); ++ ++ return led_classdev_register(&pdev->dev, &neo1973_vib_led.cdev); ++} ++ ++static int neo1973_vib_remove(struct platform_device *pdev) ++{ ++ if (neo1973_vib_led.has_pwm) ++ s3c2410_pwm_disable(&neo1973_vib_led.pwm); ++ ++ led_classdev_unregister(&neo1973_vib_led.cdev); ++ ++ mutex_destroy(&neo1973_vib_led.mutex); ++ ++ return 0; ++} ++ ++static struct platform_driver neo1973_vib_driver = { ++ .probe = neo1973_vib_probe, ++ .remove = neo1973_vib_remove, ++#ifdef CONFIG_PM ++ .suspend = neo1973_vib_suspend, ++ .resume = neo1973_vib_resume, ++#endif ++ .driver = { ++ .name = "neo1973-vibrator", ++ }, ++}; ++ ++static int __init neo1973_vib_init(void) ++{ ++ return platform_driver_register(&neo1973_vib_driver); ++} ++ ++static void __exit neo1973_vib_exit(void) ++{ ++ platform_driver_unregister(&neo1973_vib_driver); ++} ++ ++module_init(neo1973_vib_init); ++module_exit(neo1973_vib_exit); ++ ++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); ++MODULE_DESCRIPTION("FIC Neo1973 vibrator driver"); ++MODULE_LICENSE("GPL"); +-- +1.5.6.5 + |