Beispiel #1
0
static void __exit parport_atari_exit(void)
{
	parport_remove_port(this_port);
	if (this_port->irq != PARPORT_IRQ_NONE)
		free_irq(IRQ_MFP_BUSY, this_port);
	parport_put_port(this_port);
}
Beispiel #2
0
static int __init amiga_parallel_probe(struct platform_device *pdev)
{
	struct parport *p;
	int err;

	ciaa.ddrb = 0xff;
	ciab.ddra &= 0xf8;
	mb();

	p = parport_register_port((unsigned long)&ciaa.prb, IRQ_AMIGA_CIAA_FLG,
				   PARPORT_DMA_NONE, &pp_amiga_ops);
	if (!p)
		return -EBUSY;

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

	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);
	return err;
}
Beispiel #3
0
static void __exit parport_amiga_exit(void)
{
	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);
}
static int __init parport_mfc3_init(void)
{
	struct parport *p;
	int pias = 0;
	struct pia *pp;
	struct zorro_dev *z = NULL;

	if (!MACH_IS_AMIGA)
		return -ENODEV;

	while ((z = zorro_find_device(ZORRO_PROD_BSC_MULTIFACE_III, z))) {
		unsigned long piabase = z->resource.start+PIABASE;
		if (!request_mem_region(piabase, sizeof(struct pia), "PIA"))
			continue;

		pp = (struct pia *)ZTWO_VADDR(piabase);
		pp->crb = 0;
		pp->pddrb = 255; /* all data pins output */
		pp->crb = PIA_DDR|32|8;
		dummy = pp->pddrb; /* reading clears interrupt */
		pp->cra = 0;
		pp->pddra = 0xe0; /* /RESET,  /DIR ,/AUTO-FEED output */
		pp->cra = PIA_DDR;
		pp->ppra = 0; /* reset printer */
		udelay(10);
		pp->ppra = 128;
		p = parport_register_port((unsigned long)pp, IRQ_AMIGA_PORTS,
					  PARPORT_DMA_NONE, &pp_mfc3_ops);
		if (!p)
			goto out_port;

		if (p->irq != PARPORT_IRQ_NONE) {
			if (use_cnt++ == 0)
				if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, IRQF_SHARED, p->name, &pp_mfc3_ops))
					goto out_irq;
		}
		p->dev = &z->dev;

		this_port[pias++] = p;
		printk(KERN_INFO "%s: Multiface III port using irq\n", p->name);
		/* XXX: set operating mode */

		p->private_data = (void *)piabase;
		parport_announce_port (p);

		if (pias >= MAX_MFC)
			break;
		continue;

	out_irq:
		parport_put_port(p);
	out_port:
		release_mem_region(piabase, sizeof(struct pia));
	}

	return pias ? 0 : -ENODEV;
}
Beispiel #5
0
static int __init lirc_parallel_init(void)
{
	pport = parport_find_base(io);
	if (pport == NULL) {
		printk(KERN_NOTICE "%s: no port at %x found\n",
		       LIRC_DRIVER_NAME, io);
		return -ENXIO;
	}
	ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
					   pf, kf, irq_handler, 0, NULL);
	parport_put_port(pport);
	if (ppdevice == NULL) {
		printk(KERN_NOTICE "%s: parport_register_device() failed\n",
		       LIRC_DRIVER_NAME);
		return -ENXIO;
	}
	if (parport_claim(ppdevice) != 0)
		goto skip_init;
	is_claimed = 1;
	out(LIRC_LP_CONTROL, LP_PSELECP|LP_PINITP);

#ifdef LIRC_TIMER
	if (debug)
		out(LIRC_PORT_DATA, tx_mask);

	timer = init_lirc_timer();

#if 0	/* continue even if device is offline */
	if (timer == 0) {
		is_claimed = 0;
		parport_release(pport);
		parport_unregister_device(ppdevice);
		return -EIO;
	}

#endif
	if (debug)
		out(LIRC_PORT_DATA, 0);
#endif

	is_claimed = 0;
	parport_release(ppdevice);
 skip_init:
	driver.minor = lirc_register_driver(&driver);
	if (driver.minor < 0) {
		printk(KERN_NOTICE "%s: register_chrdev() failed\n",
		       LIRC_DRIVER_NAME);
		parport_unregister_device(ppdevice);
		return -EIO;
	}
	printk(KERN_INFO "%s: installed using port 0x%04x irq %d\n",
	       LIRC_DRIVER_NAME, io, irq);
	return 0;
}
Beispiel #6
0
static void parport_detach(struct parport *port)
{
	printk(KERN_INFO "%s: Releasing %s\n", THIS_MODULE->name, port->name);
	if (debug_sync_parport != port) {
		printk(KERN_ERR "%s: Using %s, ignore new detachment %s\n",
		       THIS_MODULE->name, debug_sync_parport->name, port->name);
		return;
	}
	parport_put_port(debug_sync_parport);
	debug_sync_parport = NULL;
}
Beispiel #7
0
static int __exit amiga_parallel_remove(struct platform_device *pdev)
{
	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 void __exit parport_mfc3_exit(void)
{
	int i;

	for (i = 0; i < MAX_MFC; i++) {
		if (!this_port[i])
			continue;
		parport_remove_port(this_port[i]);
		if (this_port[i]->irq != PARPORT_IRQ_NONE) {
			if (--use_cnt == 0) 
				free_irq(IRQ_AMIGA_PORTS, &pp_mfc3_ops);
		}
		release_mem_region(ZTWO_PADDR(this_port[i]->private_data), sizeof(struct pia));
		parport_put_port(this_port[i]);
	}
}
Beispiel #9
0
struct pardevice *parport_open (int devnum, const char *name,
				int (*pf) (void *), void (*kf) (void *),
				void (*irqf) (int, void *, struct pt_regs *),
				int flags, void *handle)
{
	struct daisydev *p = topology;
	struct parport *port;
	struct pardevice *dev;
	int daisy;

	spin_lock(&topology_lock);
	while (p && p->devnum != devnum)
		p = p->next;

	if (!p) {
		spin_unlock(&topology_lock);
		return NULL;
	}

	daisy = p->daisy;
	port = parport_get_port(p->port);
	spin_unlock(&topology_lock);

	dev = parport_register_device (port, name, pf, kf,
				       irqf, flags, handle);
	parport_put_port(port);
	if (!dev)
		return NULL;

	dev->daisy = daisy;

	/* Check that there really is a device to select. */
	if (daisy >= 0) {
		int selected;
		parport_claim_or_block (dev);
		selected = port->daisy;
		parport_release (dev);

		if (selected != daisy) {
			/* No corresponding device. */
			parport_unregister_device (dev);
			return NULL;
		}
	}

	return dev;
}
Beispiel #10
0
struct pardevice *parport_open(int devnum, const char *name)
{
	struct daisydev *p = topology;
	struct parport *port;
	struct pardevice *dev;
	int daisy;

	spin_lock(&topology_lock);
	while (p && p->devnum != devnum)
		p = p->next;

	if (!p) {
		spin_unlock(&topology_lock);
		return NULL;
	}

	daisy = p->daisy;
	port = parport_get_port(p->port);
	spin_unlock(&topology_lock);

	dev = parport_register_device(port, name, NULL, NULL, NULL, 0, NULL);
	parport_put_port(port);
	if (!dev)
		return NULL;

	dev->daisy = daisy;

	
	if (daisy >= 0) {
		int selected;
		parport_claim_or_block(dev);
		selected = port->daisy;
		parport_release(dev);

		if (selected != daisy) {
			
			parport_unregister_device(dev);
			return NULL;
		}
	}

	return dev;
}
Beispiel #11
0
static void __exit parport_sunbpp_exit(void)
{
	while (!list_empty(&port_list)) {
		Node *node = list_entry(port_list.next, Node, list);
		struct parport *p = node->port;
		struct parport_operations *ops = p->ops;
		parport_remove_port(p);

		if (p->irq != PARPORT_IRQ_NONE) {
			parport_sunbpp_disable_irq(p);
			free_irq(p->irq, p);
		}
		sbus_iounmap((void __iomem *)p->base, p->size);
		parport_put_port(p);
		kfree (ops);
		list_del(&node->list);
		kfree (node);
	}
}
Beispiel #12
0
static int __devexit bpp_remove(struct of_device *op)
{
	struct parport *p = dev_get_drvdata(&op->dev);
	struct parport_operations *ops = p->ops;

	parport_remove_port(p);

	if (p->irq != PARPORT_IRQ_NONE) {
		parport_sunbpp_disable_irq(p);
		free_irq(p->irq, p);
	}

	of_iounmap(&op->resource[0], (void __iomem *) p->base, p->size);
	parport_put_port(p);
	kfree(ops);

	dev_set_drvdata(&op->dev, NULL);

	return 0;
}
static int __devexit parport_remove_chip(struct parisc_device *dev)
{
	struct parport *p = dev->dev.driver_data;
	if (p) {
		struct parport_gsc_private *priv = p->private_data;
		struct parport_operations *ops = p->ops;
		parport_remove_port(p);
		if (p->dma != PARPORT_DMA_NONE)
			free_dma(p->dma);
		if (p->irq != PARPORT_IRQ_NONE)
			free_irq(p->irq, p);
		if (priv->dma_buf)
			pci_free_consistent(priv->dev, PAGE_SIZE,
					    priv->dma_buf,
					    priv->dma_handle);
		kfree (p->private_data);
		parport_put_port(p);
		kfree (ops); /* hope no-one cached it */
	}
	return 0;
}
Beispiel #14
0
static int __init parport_amiga_init(void)
{
	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();

	p = parport_register_port((unsigned long)&ciaa.prb, IRQ_AMIGA_CIAA_FLG,
				   PARPORT_DMA_NONE, &pp_amiga_ops);
	if (!p)
		goto out_port;

	err = request_irq(IRQ_AMIGA_CIAA_FLG, amiga_interrupt, 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);

	return 0;

out_irq:
	parport_put_port(p);
out_port:
	release_mem_region(CIAA_PHYSADDR-1+0x100, 0x100);
out_mem:
	return err;
}
Beispiel #15
0
static int __init parport_atari_init(void)
{
	struct parport *p;
	unsigned long flags;

	if (MACH_IS_ATARI) {
		local_irq_save(flags);
		/* Soundchip port A/B as output. */
		sound_ym.rd_data_reg_sel = 7;
		sound_ym.wd_data = (sound_ym.rd_data_reg_sel & 0x3f) | 0xc0;
		/* STROBE high. */
		sound_ym.rd_data_reg_sel = 14;
		sound_ym.wd_data = sound_ym.rd_data_reg_sel | (1 << 5);
		local_irq_restore(flags);
		/* MFP port I0 as input. */
		st_mfp.data_dir &= ~1;
		/* MFP port I0 interrupt on high->low edge. */
		st_mfp.active_edge &= ~1;
		p = parport_register_port((unsigned long)&sound_ym.wd_data,
					  IRQ_MFP_BUSY, PARPORT_DMA_NONE,
					  &parport_atari_ops);
		if (!p)
			return -ENODEV;
		if (request_irq(IRQ_MFP_BUSY, parport_irq_handler, 0, p->name,
				p)) {
			parport_put_port (p);
			return -ENODEV;
		}

		this_port = p;
		printk(KERN_INFO "%s: Atari built-in port using irq\n", p->name);
		parport_announce_port (p);

		return 0;
	}
	return -ENODEV;
}
Beispiel #16
0
static int __devinit bpp_probe(struct of_device *op, const struct of_device_id *match)
{
	struct parport_operations *ops;
	struct bpp_regs __iomem *regs;
	int irq, dma, err = 0, size;
	unsigned char value_tcr;
	void __iomem *base;
	struct parport *p;

	irq = op->irqs[0];
	base = of_ioremap(&op->resource[0], 0,
			  resource_size(&op->resource[0]),
			  "sunbpp");
	if (!base)
		return -ENODEV;

	size = resource_size(&op->resource[0]);
	dma = PARPORT_DMA_NONE;

	ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL);
        if (!ops)
		goto out_unmap;

        memcpy (ops, &parport_sunbpp_ops, sizeof(struct parport_operations));

	dprintk(("register_port\n"));
	if (!(p = parport_register_port((unsigned long)base, irq, dma, ops)))
		goto out_free_ops;

	p->size = size;
	p->dev = &op->dev;

	if ((err = request_irq(p->irq, parport_irq_handler,
			       IRQF_SHARED, p->name, p)) != 0) {
		goto out_put_port;
	}

	parport_sunbpp_enable_irq(p);

	regs = (struct bpp_regs __iomem *)p->base;

	value_tcr = sbus_readb(&regs->p_tcr);
	value_tcr &= ~P_TCR_DIR;
	sbus_writeb(value_tcr, &regs->p_tcr);

	printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base);

	dev_set_drvdata(&op->dev, p);

	parport_announce_port(p);

	return 0;

out_put_port:
	parport_put_port(p);

out_free_ops:
	kfree(ops);

out_unmap:
	of_iounmap(&op->resource[0], base, size);

	return err;
}
Beispiel #17
0
static int __init init_one_port(struct sbus_dev *sdev)
{
	struct parport *p;
	/* at least in theory there may be a "we don't dma" case */
	struct parport_operations *ops;
	void __iomem *base;
	int irq, dma, err = 0, size;
	struct bpp_regs __iomem *regs;
	unsigned char value_tcr;
	Node *node;

	dprintk((KERN_DEBUG "init_one_port(%p): ranges, alloc_io, ", sdev));
	node = kmalloc(sizeof(Node), GFP_KERNEL);
	if (!node)
		goto out0;

	irq = sdev->irqs[0];
	base = sbus_ioremap(&sdev->resource[0], 0,
			    sdev->reg_addrs[0].reg_size, 
			    "sunbpp");
	if (!base)
		goto out1;

	size = sdev->reg_addrs[0].reg_size;
	dma = PARPORT_DMA_NONE;

	dprintk(("alloc(ppops), "));
	ops = kmalloc (sizeof (struct parport_operations), GFP_KERNEL);
        if (!ops)
		goto out2;

        memcpy (ops, &parport_sunbpp_ops, sizeof (struct parport_operations));

	dprintk(("register_port\n"));
	if (!(p = parport_register_port((unsigned long)base, irq, dma, ops)))
		goto out3;

	p->size = size;

	dprintk((KERN_DEBUG "init_one_port: request_irq(%08x:%p:%x:%s:%p) ",
		p->irq, parport_sunbpp_interrupt, SA_SHIRQ, p->name, p));
	if ((err = request_irq(p->irq, parport_sunbpp_interrupt,
			       SA_SHIRQ, p->name, p)) != 0) {
		dprintk(("ERROR %d\n", err));
		goto out4;
	}
	dprintk(("OK\n"));
	parport_sunbpp_enable_irq(p);

	regs = (struct bpp_regs __iomem *)p->base;
	dprintk((KERN_DEBUG "forward\n"));
	value_tcr = sbus_readb(&regs->p_tcr);
	value_tcr &= ~P_TCR_DIR;
	sbus_writeb(value_tcr, &regs->p_tcr);

	printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base);
	node->port = p;
	list_add(&node->list, &port_list);
	parport_announce_port (p);

	return 1;

out4:
	parport_put_port(p);
out3:
	kfree(ops);
out2:
	sbus_iounmap(base, size);
out1:
	kfree(node);
out0:
	return err;
}
static int __init lirc_parallel_init(void)
{
	int result;

	result = platform_driver_register(&lirc_parallel_driver);
	if (result) {
		pr_notice("platform_driver_register returned %d\n", result);
		return result;
	}

	lirc_parallel_dev = platform_device_alloc(LIRC_DRIVER_NAME, 0);
	if (!lirc_parallel_dev) {
		result = -ENOMEM;
		goto exit_driver_unregister;
	}

	result = platform_device_add(lirc_parallel_dev);
	if (result)
		goto exit_device_put;

	pport = parport_find_base(io);
	if (pport == NULL) {
		pr_notice("no port at %x found\n", io);
		result = -ENXIO;
		goto exit_device_put;
	}
	ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
					   pf, kf, lirc_lirc_irq_handler, 0,
					   NULL);
	parport_put_port(pport);
	if (ppdevice == NULL) {
		pr_notice("parport_register_device() failed\n");
		result = -ENXIO;
		goto exit_device_put;
	}
	if (parport_claim(ppdevice) != 0)
		goto skip_init;
	is_claimed = 1;
	out(LIRC_LP_CONTROL, LP_PSELECP|LP_PINITP);

#ifdef LIRC_TIMER
	if (debug)
		out(LIRC_PORT_DATA, tx_mask);

	timer = init_lirc_timer();

#if 0	/* continue even if device is offline */
	if (timer == 0) {
		is_claimed = 0;
		parport_release(pport);
		parport_unregister_device(ppdevice);
		result = -EIO;
		goto exit_device_put;
	}

#endif
	if (debug)
		out(LIRC_PORT_DATA, 0);
#endif

	is_claimed = 0;
	parport_release(ppdevice);
 skip_init:
	driver.dev = &lirc_parallel_dev->dev;
	driver.minor = lirc_register_driver(&driver);
	if (driver.minor < 0) {
		pr_notice("register_chrdev() failed\n");
		parport_unregister_device(ppdevice);
		result = -EIO;
		goto exit_device_put;
	}
	pr_info("installed using port 0x%04x irq %d\n", io, irq);
	return 0;

exit_device_put:
	platform_device_put(lirc_parallel_dev);
exit_driver_unregister:
	platform_driver_unregister(&lirc_parallel_driver);
	return result;
}
Beispiel #19
0
static int __devinit init_one_port(struct sbus_dev *sdev)
{
	struct parport *p;
	/* at least in theory there may be a "we don't dma" case */
	struct parport_operations *ops;
	void __iomem *base;
	int irq, dma, err = 0, size;
	struct bpp_regs __iomem *regs;
	unsigned char value_tcr;

	irq = sdev->irqs[0];
	base = sbus_ioremap(&sdev->resource[0], 0,
			    sdev->reg_addrs[0].reg_size, 
			    "sunbpp");
	if (!base)
		return -ENODEV;

	size = sdev->reg_addrs[0].reg_size;
	dma = PARPORT_DMA_NONE;

	ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL);
        if (!ops)
		goto out_unmap;

        memcpy (ops, &parport_sunbpp_ops, sizeof (struct parport_operations));

	dprintk(("register_port\n"));
	if (!(p = parport_register_port((unsigned long)base, irq, dma, ops)))
		goto out_free_ops;

	p->size = size;
	p->dev = &sdev->ofdev.dev;

	if ((err = request_irq(p->irq, parport_sunbpp_interrupt,
			       IRQF_SHARED, p->name, p)) != 0) {
		goto out_put_port;
	}

	parport_sunbpp_enable_irq(p);

	regs = (struct bpp_regs __iomem *)p->base;

	value_tcr = sbus_readb(&regs->p_tcr);
	value_tcr &= ~P_TCR_DIR;
	sbus_writeb(value_tcr, &regs->p_tcr);

	printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base);

	dev_set_drvdata(&sdev->ofdev.dev, p);

	parport_announce_port(p);

	return 0;

out_put_port:
	parport_put_port(p);

out_free_ops:
	kfree(ops);

out_unmap:
	sbus_iounmap(base, size);

	return err;
}