示例#1
0
static int ps2_open(struct serio *io)
{
	struct ps2if *ps2if = io->port_data;
	int ret;

	sa1111_enable_device(ps2if->dev);

	ret = request_irq(ps2if->dev->irq[0], ps2_rxint, 0,
			  SA1111_DRIVER_NAME(ps2if->dev), ps2if);
	if (ret) {
		printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
			ps2if->dev->irq[0], ret);
		return ret;
	}

	ret = request_irq(ps2if->dev->irq[1], ps2_txint, 0,
			  SA1111_DRIVER_NAME(ps2if->dev), ps2if);
	if (ret) {
		printk(KERN_ERR "sa1111ps2: could not allocate IRQ%d: %d\n",
			ps2if->dev->irq[1], ret);
		free_irq(ps2if->dev->irq[0], ps2if);
		return ret;
	}

	ps2if->open = 1;

	enable_irq_wake(ps2if->dev->irq[0]);

	sa1111_writel(PS2CR_ENA, ps2if->base + SA1111_PS2CR);
	return 0;
}
static int pcmcia_probe(struct sa1111_dev *dev)
{
	void __iomem *base;

	if (!request_mem_region(dev->res.start, 512,
				SA1111_DRIVER_NAME(dev)))
		return -EBUSY;

	base = dev->mapbase;

	/*
	 * Initialise the suspend state.
	 */
	sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + SA1111_PCSSR);
	sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + SA1111_PCCR);

#ifdef CONFIG_SA1100_BADGE4
	pcmcia_badge4_init(&dev->dev);
#endif
#ifdef CONFIG_SA1100_JORNADA720
	pcmcia_jornada720_init(&dev->dev);
#endif
#ifdef CONFIG_ARCH_LUBBOCK
	pcmcia_lubbock_init(dev);
#endif
#ifdef CONFIG_ASSABET_NEPONSET
	pcmcia_neponset_init(dev);
#endif
	return 0;
}
示例#3
0
static int pcmcia_probe(struct sa1111_dev *dev)
{
	void __iomem *base;
	int ret;

	ret = sa1111_enable_device(dev);
	if (ret)
		return ret;

	dev_set_drvdata(&dev->dev, NULL);

	if (!request_mem_region(dev->res.start, 512, SA1111_DRIVER_NAME(dev))) {
		sa1111_disable_device(dev);
		return -EBUSY;
	}

	base = dev->mapbase;

	/*
	 * Initialise the suspend state.
	 */
	writel_relaxed(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + PCSSR);
	writel_relaxed(PCCR_S0_FLT | PCCR_S1_FLT, base + PCCR);

	ret = -ENODEV;
#ifdef CONFIG_SA1100_BADGE4
	if (machine_is_badge4())
		ret = pcmcia_badge4_init(dev);
#endif
#ifdef CONFIG_SA1100_JORNADA720
	if (machine_is_jornada720())
		ret = pcmcia_jornada720_init(dev);
#endif
#ifdef CONFIG_ARCH_LUBBOCK
	if (machine_is_lubbock())
		ret = pcmcia_lubbock_init(dev);
#endif
#ifdef CONFIG_ASSABET_NEPONSET
	if (machine_is_assabet())
		ret = pcmcia_neponset_init(dev);
#endif

	if (ret) {
		release_mem_region(dev->res.start, 512);
		sa1111_disable_device(dev);
	}

	return ret;
}
示例#4
0
/*
 * Add one device to this driver.
 */
static int __devinit ps2_probe(struct sa1111_dev *dev)
{
	struct ps2if *ps2if;
	struct serio *serio;
	int ret;

	ps2if = kzalloc(sizeof(struct ps2if), GFP_KERNEL);
	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
	if (!ps2if || !serio) {
		ret = -ENOMEM;
		goto free;
	}


	serio->id.type		= SERIO_8042;
	serio->write		= ps2_write;
	serio->open		= ps2_open;
	serio->close		= ps2_close;
	strlcpy(serio->name, dev_name(&dev->dev), sizeof(serio->name));
	strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys));
	serio->port_data	= ps2if;
	serio->dev.parent	= &dev->dev;
	ps2if->io		= serio;
	ps2if->dev		= dev;
	sa1111_set_drvdata(dev, ps2if);

	spin_lock_init(&ps2if->lock);

	/*
	 * Request the physical region for this PS2 port.
	 */
	if (!request_mem_region(dev->res.start,
				dev->res.end - dev->res.start + 1,
				SA1111_DRIVER_NAME(dev))) {
		ret = -EBUSY;
		goto free;
	}

	/*
	 * Our parent device has already mapped the region.
	 */
	ps2if->base = dev->mapbase;

	sa1111_enable_device(ps2if->dev);

	/* Incoming clock is 8MHz */
	sa1111_writel(0, ps2if->base + SA1111_PS2CLKDIV);
	sa1111_writel(127, ps2if->base + SA1111_PS2PRECNT);

	/*
	 * Flush any pending input.
	 */
	ps2_clear_input(ps2if);

	/*
	 * Test the keyboard interface.
	 */
	ret = ps2_test(ps2if);
	if (ret)
		goto out;

	/*
	 * Flush any pending input.
	 */
	ps2_clear_input(ps2if);

	sa1111_disable_device(ps2if->dev);
	serio_register_port(ps2if->io);
	return 0;

 out:
	sa1111_disable_device(ps2if->dev);
	release_mem_region(dev->res.start, resource_size(&dev->res));
 free:
	sa1111_set_drvdata(dev, NULL);
	kfree(ps2if);
	kfree(serio);
	return ret;
}