static void sharpsl_pcmcia_init_reset(struct soc_pcmcia_socket *skt)
{
	struct scoop_pcmcia_dev *scoopdev = &SCOOP_DEV[skt->nr];

	reset_scoop(scoopdev->dev);

	/* Shared power controls need to be handled carefully */
	if (platform_scoop_config->power_ctrl)
		platform_scoop_config->power_ctrl(scoopdev->dev, 0x0000, skt->nr);
	else
		write_scoop_reg(scoopdev->dev, SCOOP_CPR, 0x0000);

	scoopdev->keep_vs = NO_KEEP_VS;
	scoopdev->keep_rd = 0;
}
示例#2
0
文件: scoop.c 项目: 8497165/JetKernel
static int __devinit scoop_probe(struct platform_device *pdev)
{
	struct scoop_dev *devptr;
	struct scoop_config *inf;
	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	int ret;
	int temp;

	if (!mem)
		return -EINVAL;

	devptr = kzalloc(sizeof(struct scoop_dev), GFP_KERNEL);
	if (!devptr)
		return -ENOMEM;

	spin_lock_init(&devptr->scoop_lock);

	inf = pdev->dev.platform_data;
	devptr->base = ioremap(mem->start, mem->end - mem->start + 1);

	if (!devptr->base) {
		ret = -ENOMEM;
		goto err_ioremap;
	}

	platform_set_drvdata(pdev, devptr);

	printk("Sharp Scoop Device found at 0x%08x -> 0x%8p\n",(unsigned int)mem->start, devptr->base);

	iowrite16(0x0140, devptr->base + SCOOP_MCR);
	reset_scoop(&pdev->dev);
	iowrite16(0x0000, devptr->base + SCOOP_CPR);
	iowrite16(inf->io_dir & 0xffff, devptr->base + SCOOP_GPCR);
	iowrite16(inf->io_out & 0xffff, devptr->base + SCOOP_GPWR);

	devptr->suspend_clr = inf->suspend_clr;
	devptr->suspend_set = inf->suspend_set;

	devptr->gpio.base = -1;

	if (inf->gpio_base != 0) {
		devptr->gpio.label = dev_name(&pdev->dev);
		devptr->gpio.base = inf->gpio_base;
		devptr->gpio.ngpio = 12; /* PA11 = 0, PA12 = 1, etc. up to PA22 = 11 */
		devptr->gpio.set = scoop_gpio_set;
		devptr->gpio.get = scoop_gpio_get;
		devptr->gpio.direction_input = scoop_gpio_direction_input;
		devptr->gpio.direction_output = scoop_gpio_direction_output;

		ret = gpiochip_add(&devptr->gpio);
		if (ret)
			goto err_gpio;
	}

	return 0;

	if (devptr->gpio.base != -1)
		temp = gpiochip_remove(&devptr->gpio);
err_gpio:
	platform_set_drvdata(pdev, NULL);
err_ioremap:
	iounmap(devptr->base);
	kfree(devptr);

	return ret;
}
static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev)
{
    reset_scoop(scoopdev->dev);
    scoopdev->keep_vs = NO_KEEP_VS;
    scoopdev->keep_rd = 0;
}