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path: root/drivers/input/misc/ixp4xx-beeper.c
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Diffstat (limited to 'drivers/input/misc/ixp4xx-beeper.c')
-rw-r--r--drivers/input/misc/ixp4xx-beeper.c78
1 files changed, 36 insertions, 42 deletions
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 805b636e73d..ed8e5e8449d 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -20,11 +20,13 @@
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
-#include <asm/hardware.h>
+#include <linux/gpio.h>
+#include <mach/hardware.h>
MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
MODULE_DESCRIPTION("ixp4xx beeper driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ixp4xx-beeper");
static DEFINE_SPINLOCK(beep_lock);
@@ -34,15 +36,12 @@ static void ixp4xx_spkr_control(unsigned int pin, unsigned int count)
spin_lock_irqsave(&beep_lock, flags);
- if (count) {
- gpio_line_config(pin, IXP4XX_GPIO_OUT);
- gpio_line_set(pin, IXP4XX_GPIO_LOW);
-
+ if (count) {
+ gpio_direction_output(pin, 0);
*IXP4XX_OSRT2 = (count & ~IXP4XX_OST_RELOAD_MASK) | IXP4XX_OST_ENABLE;
} else {
- gpio_line_config(pin, IXP4XX_GPIO_IN);
- gpio_line_set(pin, IXP4XX_GPIO_HIGH);
-
+ gpio_direction_output(pin, 1);
+ gpio_direction_input(pin);
*IXP4XX_OSRT2 = 0;
}
@@ -51,7 +50,7 @@ static void ixp4xx_spkr_control(unsigned int pin, unsigned int count)
static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
- unsigned int pin = (unsigned int) dev->private;
+ unsigned int pin = (unsigned int) input_get_drvdata(dev);
unsigned int count = 0;
if (type != EV_SND)
@@ -68,29 +67,27 @@ static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned
}
if (value > 20 && value < 32767)
-#ifndef FREQ
- count = (ixp4xx_get_board_tick_rate() / (value * 4)) - 1;
-#else
- count = (FREQ / (value * 4)) - 1;
-#endif
+ count = (ixp4xx_timer_freq / (value * 4)) - 1;
ixp4xx_spkr_control(pin, count);
return 0;
}
-static irqreturn_t ixp4xx_spkr_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ixp4xx_spkr_interrupt(int irq, void *dev_id)
{
+ unsigned int pin = (unsigned int) dev_id;
+
/* clear interrupt */
*IXP4XX_OSST = IXP4XX_OSST_TIMER_2_PEND;
/* flip the beeper output */
- *IXP4XX_GPIO_GPOUTR ^= (1 << (unsigned int) dev_id);
+ gpio_set_value(pin, !gpio_get_value(pin));
return IRQ_HANDLED;
}
-static int __devinit ixp4xx_spkr_probe(struct platform_device *dev)
+static int ixp4xx_spkr_probe(struct platform_device *dev)
{
struct input_dev *input_dev;
int err;
@@ -99,24 +96,30 @@ static int __devinit ixp4xx_spkr_probe(struct platform_device *dev)
if (!input_dev)
return -ENOMEM;
- input_dev->private = (void *) dev->id;
+ input_set_drvdata(input_dev, (void *) dev->id);
+
input_dev->name = "ixp4xx beeper",
input_dev->phys = "ixp4xx/gpio";
input_dev->id.bustype = BUS_HOST;
input_dev->id.vendor = 0x001f;
input_dev->id.product = 0x0001;
input_dev->id.version = 0x0100;
- input_dev->cdev.dev = &dev->dev;
+ input_dev->dev.parent = &dev->dev;
- input_dev->evbit[0] = BIT(EV_SND);
- input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+ input_dev->evbit[0] = BIT_MASK(EV_SND);
+ input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
input_dev->event = ixp4xx_spkr_event;
- err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt,
- IRQF_DISABLED | IRQF_TIMER, "ixp4xx-beeper", (void *) dev->id);
+ err = gpio_request(dev->id, "ixp4-beeper");
if (err)
goto err_free_device;
+ err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt,
+ IRQF_NO_SUSPEND, "ixp4xx-beeper",
+ (void *) dev->id);
+ if (err)
+ goto err_free_gpio;
+
err = input_register_device(input_dev);
if (err)
goto err_free_irq;
@@ -126,26 +129,28 @@ static int __devinit ixp4xx_spkr_probe(struct platform_device *dev)
return 0;
err_free_irq:
- free_irq(IRQ_IXP4XX_TIMER2, dev);
+ free_irq(IRQ_IXP4XX_TIMER2, (void *)dev->id);
+ err_free_gpio:
+ gpio_free(dev->id);
err_free_device:
input_free_device(input_dev);
return err;
}
-static int __devexit ixp4xx_spkr_remove(struct platform_device *dev)
+static int ixp4xx_spkr_remove(struct platform_device *dev)
{
struct input_dev *input_dev = platform_get_drvdata(dev);
- unsigned int pin = (unsigned int) input_dev->private;
+ unsigned int pin = (unsigned int) input_get_drvdata(input_dev);
input_unregister_device(input_dev);
- platform_set_drvdata(dev, NULL);
/* turn the speaker off */
disable_irq(IRQ_IXP4XX_TIMER2);
ixp4xx_spkr_control(pin, 0);
- free_irq(IRQ_IXP4XX_TIMER2, dev);
+ free_irq(IRQ_IXP4XX_TIMER2, (void *)dev->id);
+ gpio_free(dev->id);
return 0;
}
@@ -153,7 +158,7 @@ static int __devexit ixp4xx_spkr_remove(struct platform_device *dev)
static void ixp4xx_spkr_shutdown(struct platform_device *dev)
{
struct input_dev *input_dev = platform_get_drvdata(dev);
- unsigned int pin = (unsigned int) input_dev->private;
+ unsigned int pin = (unsigned int) input_get_drvdata(input_dev);
/* turn off the speaker */
disable_irq(IRQ_IXP4XX_TIMER2);
@@ -166,19 +171,8 @@ static struct platform_driver ixp4xx_spkr_platform_driver = {
.owner = THIS_MODULE,
},
.probe = ixp4xx_spkr_probe,
- .remove = __devexit_p(ixp4xx_spkr_remove),
+ .remove = ixp4xx_spkr_remove,
.shutdown = ixp4xx_spkr_shutdown,
};
+module_platform_driver(ixp4xx_spkr_platform_driver);
-static int __init ixp4xx_spkr_init(void)
-{
- return platform_driver_register(&ixp4xx_spkr_platform_driver);
-}
-
-static void __exit ixp4xx_spkr_exit(void)
-{
- platform_driver_unregister(&ixp4xx_spkr_platform_driver);
-}
-
-module_init(ixp4xx_spkr_init);
-module_exit(ixp4xx_spkr_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 10:35:21 +0000