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Input: sparcspkr - register with driver core as a platfrom device

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-12-21 00:52:35 -05:00
parent 1f75e6bdfa
commit f5b64078d7
1 changed files with 105 additions and 57 deletions
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162
drivers/input/misc/sparcspkr.c
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@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/ebus.h>
@ -20,22 +21,10 @@ MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
MODULE_DESCRIPTION("Sparc Speaker beeper driver");
MODULE_LICENSE("GPL");
const char *beep_name;
static unsigned long beep_iobase;
static struct input_dev *sparcspkr_dev;
DEFINE_SPINLOCK(beep_lock);
static void __init init_sparcspkr_struct(void)
{
sparcspkr_dev->evbit[0] = BIT(EV_SND);
sparcspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
sparcspkr_dev->phys = "sparc/input0";
sparcspkr_dev->id.bustype = BUS_ISA;
sparcspkr_dev->id.vendor = 0x001f;
sparcspkr_dev->id.product = 0x0001;
sparcspkr_dev->id.version = 0x0100;
}
static int (*beep_event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
static DEFINE_SPINLOCK(beep_lock);
static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@ -59,39 +48,16 @@ static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned in
/* EBUS speaker only has on/off state, the frequency does not
* appear to be programmable.
*/
if (count) {
if (beep_iobase & 0x2UL)
outb(1, beep_iobase);
else
outl(1, beep_iobase);
} else {
if (beep_iobase & 0x2UL)
outb(0, beep_iobase);
else
outl(0, beep_iobase);
}
if (beep_iobase & 0x2UL)
outb(!!count, beep_iobase);
else
outl(!!count, beep_iobase);
spin_unlock_irqrestore(&beep_lock, flags);
return 0;
}
static int __init init_ebus_beep(struct linux_ebus_device *edev)
{
beep_iobase = edev->resource[0].start;
sparcspkr_dev = input_allocate_device();
if (!sparcspkr_dev)
return -ENOMEM;
sparcspkr_dev->name = "Sparc EBUS Speaker";
sparcspkr_dev->event = ebus_spkr_event;
input_register_device(sparcspkr_dev);
return 0;
}
#ifdef CONFIG_SPARC64
static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@ -129,30 +95,103 @@ static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int
return 0;
}
#endif
static int __init init_isa_beep(struct sparc_isa_device *isa_dev)
static int __devinit sparcspkr_probe(struct platform_device *dev)
{
beep_iobase = isa_dev->resource.start;
struct input_dev *input_dev;
int error;
sparcspkr_dev = input_allocate_device();
if (!sparcspkr_dev)
input_dev = input_allocate_device();
if (!input_dev)
return -ENOMEM;
init_sparcspkr_struct();
input_dev->name = beep_name;
input_dev->phys = "sparc/input0";
input_dev->id.bustype = BUS_ISA;
input_dev->id.vendor = 0x001f;
input_dev->id.product = 0x0001;
input_dev->id.version = 0x0100;
input_dev->cdev.dev = &dev->dev;
sparcspkr_dev->name = "Sparc ISA Speaker";
sparcspkr_dev->event = isa_spkr_event;
input_dev->evbit[0] = BIT(EV_SND);
input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
input_register_device(sparcspkr_dev);
input_dev->event = beep_event;
error = input_register_device(input_dev);
if (error) {
input_free_device(input_dev);
return error;
}
platform_set_drvdata(dev, input_dev);
return 0;
}
#endif
static int __devexit sparcspkr_remove(struct platform_device *dev)
{
struct input_dev *input_dev = platform_get_drvdata(dev);
input_unregister_device(input_dev);
platform_set_drvdata(dev, NULL);
/* turn off the speaker */
beep_event(NULL, EV_SND, SND_BELL, 0);
return 0;
}
static void sparcspkr_shutdown(struct platform_device *dev)
{
/* turn off the speaker */
beep_event(NULL, EV_SND, SND_BELL, 0);
}
static struct platform_driver sparcspkr_platform_driver = {
.driver = {
.name = "sparcspkr",
.owner = THIS_MODULE,
},
.probe = sparcspkr_probe,
.remove = __devexit_p(sparcspkr_remove),
.shutdown = sparcspkr_shutdown,
};
static struct platform_device *sparcspkr_platform_device;
static int __init sparcspkr_drv_init(void)
{
int error;
error = platform_driver_register(&sparcspkr_platform_driver);
if (error)
return error;
sparcspkr_platform_device = platform_device_alloc("sparcspkr", -1);
if (!sparcspkr_platform_device) {
error = -ENOMEM;
goto err_unregister_driver;
}
error = platform_device_add(sparcspkr_platform_device);
if (error)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(sparcspkr_platform_device);
err_unregister_driver:
platform_driver_unregister(&sparcspkr_platform_driver);
return error;
}
static int __init sparcspkr_init(void)
{
struct linux_ebus *ebus;
struct linux_ebus_device *edev = NULL;
struct linux_ebus_device *edev;
#ifdef CONFIG_SPARC64
struct sparc_isa_bridge *isa_br;
struct sparc_isa_device *isa_dev;
@ -160,8 +199,12 @@ static int __init sparcspkr_init(void)
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
if (!strcmp(edev->prom_name, "beep"))
return init_ebus_beep(edev);
if (!strcmp(edev->prom_name, "beep")) {
beep_name = "Sparc EBUS Speaker";
beep_event = ebus_spkr_event;
beep_iobase = edev->resource[0].start;
return sparcspkr_drv_init();
}
}
}
#ifdef CONFIG_SPARC64
@ -170,8 +213,12 @@ static int __init sparcspkr_init(void)
/* A hack, the beep device's base lives in
* the DMA isa node.
*/
if (!strcmp(isa_dev->prom_name, "dma"))
return init_isa_beep(isa_dev);
if (!strcmp(isa_dev->prom_name, "dma")) {
beep_name = "Sparc ISA Speaker";
beep_event = isa_spkr_event,
beep_iobase = isa_dev->resource.start;
return sparcspkr_drv_init();
}
}
}
#endif
@ -181,7 +228,8 @@ static int __init sparcspkr_init(void)
static void __exit sparcspkr_exit(void)
{
input_unregister_device(sparcspkr_dev);
platform_device_unregister(sparcspkr_platform_device);
platform_driver_unregister(&sparcspkr_platform_driver);
}
module_init(sparcspkr_init);