m68k: amiga - Parallel port platform device conversion (6f8221c2) · Commits · e / devices / android_kernel_teracube_emerald

arch/m68k/amiga/platform.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -171,6 +171,9 @@ static int __init amiga_init_devices(void)
		if (AMIGAHW_PRESENT(AMI_SERIAL))
		platform_device_register_simple("amiga-serial", -1, NULL, 0);

		if (AMIGAHW_PRESENT(AMI_PARALLEL))
		platform_device_register_simple("amiga-parallel", -1, NULL, 0);

		return 0;
		}

drivers/parport/parport_amiga.c

+40 −24

Original line number	Diff line number	Diff line
		@@ -18,6 +18,8 @@
		#include <linux/parport.h>
		#include <linux/ioport.h>
		#include <linux/interrupt.h>
		#include <linux/platform_device.h>

		#include <asm/setup.h>
		#include <asm/amigahw.h>
		#include <asm/irq.h>
		@@ -31,7 +33,6 @@
		#define DPRINTK(x...) do { } while (0)
		#endif

		static struct parport *this_port = NULL;

		static void amiga_write_data(struct parport *p, unsigned char data)
		{
		@@ -227,18 +228,11 @@ static struct parport_operations pp_amiga_ops = {

		/* ----------- Initialisation code --------------------------------- */

		static int __init parport_amiga_init(void)
		static int __init amiga_parallel_probe(struct platform_device *pdev)
		{
		struct parport *p;
		int err;

		if (!MACH_IS_AMIGA \|\| !AMIGAHW_PRESENT(AMI_PARALLEL))
		return -ENODEV;

		err = -EBUSY;
		if (!request_mem_region(CIAA_PHYSADDR-1+0x100, 0x100, "parallel"))
		goto out_mem;

		ciaa.ddrb = 0xff;
		ciab.ddra &= 0xf8;
		mb();
		@@ -246,41 +240,63 @@ static int __init parport_amiga_init(void)
		p = parport_register_port((unsigned long)&ciaa.prb, IRQ_AMIGA_CIAA_FLG,
		PARPORT_DMA_NONE, &pp_amiga_ops);
		if (!p)
		goto out_port;
		return -EBUSY;

		err = request_irq(IRQ_AMIGA_CIAA_FLG, parport_irq_handler, 0, p->name, p);
		err = request_irq(IRQ_AMIGA_CIAA_FLG, parport_irq_handler, 0, p->name,
		p);
		if (err)
		goto out_irq;

		this_port = p;
		printk(KERN_INFO "%s: Amiga built-in port using irq\n", p->name);
		/* XXX: set operating mode */
		parport_announce_port(p);

		platform_set_drvdata(pdev, p);

		return 0;

		out_irq:
		parport_put_port(p);
		out_port:
		release_mem_region(CIAA_PHYSADDR-1+0x100, 0x100);
		out_mem:
		return err;
		}

		static void __exit parport_amiga_exit(void)
		static int __exit amiga_parallel_remove(struct platform_device *pdev)
		{
		parport_remove_port(this_port);
		if (this_port->irq != PARPORT_IRQ_NONE)
		free_irq(IRQ_AMIGA_CIAA_FLG, this_port);
		parport_put_port(this_port);
		release_mem_region(CIAA_PHYSADDR-1+0x100, 0x100);
		struct parport *port = platform_get_drvdata(pdev);

		parport_remove_port(port);
		if (port->irq != PARPORT_IRQ_NONE)
		free_irq(IRQ_AMIGA_CIAA_FLG, port);
		parport_put_port(port);
		platform_set_drvdata(pdev, NULL);
		return 0;
		}

		static struct platform_driver amiga_parallel_driver = {
		.remove = __exit_p(amiga_parallel_remove),
		.driver = {
		.name = "amiga-parallel",
		.owner = THIS_MODULE,
		},
		};

		static int __init amiga_parallel_init(void)
		{
		return platform_driver_probe(&amiga_parallel_driver,
		amiga_parallel_probe);
		}

		module_init(amiga_parallel_init);

		static void __exit amiga_parallel_exit(void)
		{
		platform_driver_unregister(&amiga_parallel_driver);
		}

		module_exit(amiga_parallel_exit);

		MODULE_AUTHOR("Joerg Dorchain <joerg@dorchain.net>");
		MODULE_DESCRIPTION("Parport Driver for Amiga builtin Port");
		MODULE_SUPPORTED_DEVICE("Amiga builtin Parallel Port");
		MODULE_LICENSE("GPL");

		module_init(parport_amiga_init)
		module_exit(parport_amiga_exit)
		MODULE_ALIAS("platform:amiga-parallel");