* Driver for PC-speaker like devices found on various Sparc systems.
*
* Copyright (c) 2002 Vojtech Pavlik
- * Copyright (c) 2002, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (c) 2002 David S. Miller (davem@redhat.com)
*/
+#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/ebus.h>
+#ifdef CONFIG_SPARC64
#include <asm/isa.h>
+#endif
-MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
+MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
MODULE_DESCRIPTION("Sparc Speaker beeper driver");
MODULE_LICENSE("GPL");
-struct sparcspkr_state {
- const char *name;
- unsigned long iobase;
- int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
- spinlock_t lock;
- struct input_dev *input_dev;
-};
+const char *beep_name;
+static unsigned long beep_iobase;
+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)
{
- struct sparcspkr_state *state = dev_get_drvdata(dev->cdev.dev);
unsigned int count = 0;
unsigned long flags;
if (value > 20 && value < 32767)
count = 1193182 / value;
- spin_lock_irqsave(&state->lock, flags);
+ spin_lock_irqsave(&beep_lock, flags);
/* EBUS speaker only has on/off state, the frequency does not
* appear to be programmable.
*/
- if (state->iobase & 0x2UL)
- outb(!!count, state->iobase);
+ if (beep_iobase & 0x2UL)
+ outb(!!count, beep_iobase);
else
- outl(!!count, state->iobase);
+ outl(!!count, beep_iobase);
- spin_unlock_irqrestore(&state->lock, flags);
+ spin_unlock_irqrestore(&beep_lock, flags);
return 0;
}
+#ifdef CONFIG_SPARC64
static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
- struct sparcspkr_state *state = dev_get_drvdata(dev->cdev.dev);
unsigned int count = 0;
unsigned long flags;
if (value > 20 && value < 32767)
count = 1193182 / value;
- spin_lock_irqsave(&state->lock, flags);
+ spin_lock_irqsave(&beep_lock, flags);
if (count) {
/* enable counter 2 */
- outb(inb(state->iobase + 0x61) | 3, state->iobase + 0x61);
+ outb(inb(beep_iobase + 0x61) | 3, beep_iobase + 0x61);
/* set command for counter 2, 2 byte write */
- outb(0xB6, state->iobase + 0x43);
+ outb(0xB6, beep_iobase + 0x43);
/* select desired HZ */
- outb(count & 0xff, state->iobase + 0x42);
- outb((count >> 8) & 0xff, state->iobase + 0x42);
+ outb(count & 0xff, beep_iobase + 0x42);
+ outb((count >> 8) & 0xff, beep_iobase + 0x42);
} else {
/* disable counter 2 */
- outb(inb_p(state->iobase + 0x61) & 0xFC, state->iobase + 0x61);
+ outb(inb_p(beep_iobase + 0x61) & 0xFC, beep_iobase + 0x61);
}
- spin_unlock_irqrestore(&state->lock, flags);
+ spin_unlock_irqrestore(&beep_lock, flags);
return 0;
}
+#endif
-static int __devinit sparcspkr_probe(struct device *dev)
+static int __devinit sparcspkr_probe(struct platform_device *dev)
{
- struct sparcspkr_state *state = dev_get_drvdata(dev);
struct input_dev *input_dev;
int error;
if (!input_dev)
return -ENOMEM;
- input_dev->name = state->name;
+ 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;
+ input_dev->cdev.dev = &dev->dev;
input_dev->evbit[0] = BIT(EV_SND);
input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
- input_dev->event = state->event;
+ input_dev->event = beep_event;
error = input_register_device(input_dev);
if (error) {
return error;
}
- state->input_dev = input_dev;
+ platform_set_drvdata(dev, input_dev);
return 0;
}
-static int __devexit sparcspkr_remove(struct of_device *dev)
+static int __devexit sparcspkr_remove(struct platform_device *dev)
{
- struct sparcspkr_state *state = dev_get_drvdata(&dev->dev);
- struct input_dev *input_dev = state->input_dev;
-
- /* turn off the speaker */
- state->event(input_dev, EV_SND, SND_BELL, 0);
+ struct input_dev *input_dev = platform_get_drvdata(dev);
input_unregister_device(input_dev);
-
- dev_set_drvdata(&dev->dev, NULL);
- kfree(state);
-
- return 0;
-}
-
-static int sparcspkr_shutdown(struct of_device *dev)
-{
- struct sparcspkr_state *state = dev_get_drvdata(&dev->dev);
- struct input_dev *input_dev = state->input_dev;
-
+ platform_set_drvdata(dev, NULL);
/* turn off the speaker */
- state->event(input_dev, EV_SND, SND_BELL, 0);
+ beep_event(NULL, EV_SND, SND_BELL, 0);
return 0;
}
-static int __devinit ebus_beep_probe(struct of_device *dev, const struct of_device_id *match)
+static void sparcspkr_shutdown(struct platform_device *dev)
{
- struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
- struct sparcspkr_state *state;
- int err;
-
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- return -ENOMEM;
-
- state->name = "Sparc EBUS Speaker";
- state->iobase = edev->resource[0].start;
- state->event = ebus_spkr_event;
- spin_lock_init(&state->lock);
-
- dev_set_drvdata(&dev->dev, state);
-
- err = sparcspkr_probe(&dev->dev);
- if (err) {
- dev_set_drvdata(&dev->dev, NULL);
- kfree(state);
- }
-
- return 0;
+ /* turn off the speaker */
+ beep_event(NULL, EV_SND, SND_BELL, 0);
}
-static struct of_device_id ebus_beep_match[] = {
- {
- .name = "beep",
+static struct platform_driver sparcspkr_platform_driver = {
+ .driver = {
+ .name = "sparcspkr",
+ .owner = THIS_MODULE,
},
- {},
-};
-
-static struct of_platform_driver ebus_beep_driver = {
- .name = "beep",
- .match_table = ebus_beep_match,
- .probe = ebus_beep_probe,
- .remove = sparcspkr_remove,
+ .probe = sparcspkr_probe,
+ .remove = __devexit_p(sparcspkr_remove),
.shutdown = sparcspkr_shutdown,
};
-static int __devinit isa_beep_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct sparc_isa_device *idev = to_isa_device(&dev->dev);
- struct sparcspkr_state *state;
- int err;
+static struct platform_device *sparcspkr_platform_device;
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- return -ENOMEM;
-
- state->name = "Sparc ISA Speaker";
- state->iobase = idev->resource.start;
- state->event = isa_spkr_event;
- spin_lock_init(&state->lock);
+static int __init sparcspkr_drv_init(void)
+{
+ int error;
- dev_set_drvdata(&dev->dev, state);
+ error = platform_driver_register(&sparcspkr_platform_driver);
+ if (error)
+ return error;
- err = sparcspkr_probe(&dev->dev);
- if (err) {
- dev_set_drvdata(&dev->dev, NULL);
- kfree(state);
+ 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;
-}
-static struct of_device_id isa_beep_match[] = {
- {
- .name = "dma",
- },
- {},
-};
+ err_free_device:
+ platform_device_put(sparcspkr_platform_device);
+ err_unregister_driver:
+ platform_driver_unregister(&sparcspkr_platform_driver);
-static struct of_platform_driver isa_beep_driver = {
- .name = "beep",
- .match_table = isa_beep_match,
- .probe = isa_beep_probe,
- .remove = sparcspkr_remove,
- .shutdown = sparcspkr_shutdown,
-};
+ return error;
+}
static int __init sparcspkr_init(void)
{
- int err = of_register_driver(&ebus_beep_driver, &ebus_bus_type);
-
- if (!err) {
- err = of_register_driver(&isa_beep_driver, &isa_bus_type);
- if (err)
- of_unregister_driver(&ebus_beep_driver);
+ struct linux_ebus *ebus;
+ struct linux_ebus_device *edev;
+#ifdef CONFIG_SPARC64
+ struct sparc_isa_bridge *isa_br;
+ struct sparc_isa_device *isa_dev;
+#endif
+
+ for_each_ebus(ebus) {
+ for_each_ebusdev(edev, ebus) {
+ 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
+ for_each_isa(isa_br) {
+ for_each_isadev(isa_dev, isa_br) {
+ /* A hack, the beep device's base lives in
+ * the DMA isa node.
+ */
+ 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
- return err;
+ return -ENODEV;
}
static void __exit sparcspkr_exit(void)
{
- of_unregister_driver(&ebus_beep_driver);
- of_unregister_driver(&isa_beep_driver);
+ platform_device_unregister(sparcspkr_platform_device);
+ platform_driver_unregister(&sparcspkr_platform_driver);
}
module_init(sparcspkr_init);
git://git.onelab.eu / linux-2.6.git / blobdiff