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