Input: sparcspkr - register with driver core as a platfrom device (f5b64078) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/input/misc/sparcspkr.c

+105 −57

Original line number	Diff line number	Diff line
		@@ -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);
		outb(!!count, beep_iobase);
		else
		outl(1, beep_iobase);
		} else {
		if (beep_iobase & 0x2UL)
		outb(0, beep_iobase);
		else
		outl(0, beep_iobase);
		}
		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;

		input_dev->evbit[0] = BIT(EV_SND);
		input_dev->sndbit[0] = BIT(SND_BELL) \| BIT(SND_TONE);

		sparcspkr_dev->name = "Sparc ISA Speaker";
		sparcspkr_dev->event = isa_spkr_event;
		input_dev->event = beep_event;

		input_register_device(sparcspkr_dev);
		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);