コード例 #1
0
static dev_link_t *atmel_attach(void)
{
	client_reg_t client_reg;
	dev_link_t *link;
	local_info_t *local;
	int ret;
	
	DEBUG(0, "atmel_attach()\n");

	/* Initialize the dev_link_t structure */
	link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL);
	if (!link) {
		printk(KERN_ERR "atmel_cs: no memory for new device\n");
		return NULL;
	}
	
	/* Interrupt setup */
	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	link->irq.Handler = NULL;
	
	/*
	  General socket configuration defaults can go here.  In this
	  client, we assume very little, and rely on the CIS for almost
	  everything.  In most clients, many details (i.e., number, sizes,
	  and attributes of IO windows) are fixed by the nature of the
	  device, and can be hard-wired here.
	*/
	link->conf.Attributes = 0;
	link->conf.Vcc = 50;
	link->conf.IntType = INT_MEMORY_AND_IO;
	
	/* Allocate space for private device-specific data */
	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
	if (!local) {
		printk(KERN_ERR "atmel_cs: no memory for new device\n");
		kfree (link);
		return NULL;
	}
	link->priv = local;
	
	/* Register with Card Services */
	link->next = dev_list;
	dev_list = link;
	client_reg.dev_info = &dev_info;
	client_reg.Version = 0x0210;
	client_reg.event_callback_args.client_data = link;
	ret = pcmcia_register_client(&link->handle, &client_reg);
	if (ret != 0) {
		cs_error(link->handle, RegisterClient, ret);
		atmel_detach(link);
		return NULL;
	}
	
	return link;
} /* atmel_attach */
コード例 #2
0
ファイル: atmel_cs.c プロジェクト: xricson/knoppix
static void atmel_cs_cleanup(void)
{
        pcmcia_unregister_driver(&atmel_driver);

        /* XXX: this really needs to move into generic code.. */
        while (dev_list != NULL) {
                if (dev_list->state & DEV_CONFIG)
                        atmel_release(dev_list);
                atmel_detach(dev_list);
        }
}
コード例 #3
0
ファイル: atmel_cs.c プロジェクト: xricson/knoppix
static dev_link_t *atmel_attach(void)
{
	client_reg_t client_reg;
	dev_link_t *link;
	local_info_t *local;
	int ret, i;
	
	DEBUG(0, "atmel_attach()\n");

	/* Initialize the dev_link_t structure */
	link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
	if (!link) {
		printk(KERN_ERR "atmel_cs: no memory for new device\n");
		return NULL;
	}
	memset(link, 0, sizeof(struct dev_link_t));
	
	/* Interrupt setup */
	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	link->irq.IRQInfo1 = IRQ_INFO2_VALID|IRQ_LEVEL_ID;
	if (irq_list[0] == -1)
		link->irq.IRQInfo2 = irq_mask;
	else
		for (i = 0; i < 4; i++)
			link->irq.IRQInfo2 |= 1 << irq_list[i];
	link->irq.Handler = NULL;
	
	/*
	  General socket configuration defaults can go here.  In this
	  client, we assume very little, and rely on the CIS for almost
	  everything.  In most clients, many details (i.e., number, sizes,
	  and attributes of IO windows) are fixed by the nature of the
	  device, and can be hard-wired here.
	*/
	link->conf.Attributes = 0;
	link->conf.Vcc = 50;
	link->conf.IntType = INT_MEMORY_AND_IO;
	
	/* Allocate space for private device-specific data */
	local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
	if (!local) {
		printk(KERN_ERR "atmel_cs: no memory for new device\n");
		kfree (link);
		return NULL;
	}
	memset(local, 0, sizeof(local_info_t));
	link->priv = local;
	
	/* Register with Card Services */
	link->next = dev_list;
	dev_list = link;
	client_reg.dev_info = &dev_info;
	client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
	client_reg.EventMask =
		CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
		CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
		CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
	client_reg.event_handler = &atmel_event;
	client_reg.Version = 0x0210;
	client_reg.event_callback_args.client_data = link;
	ret = CardServices(RegisterClient, &link->handle, &client_reg);
	if (ret != 0) {
		cs_error(link->handle, RegisterClient, ret);
		atmel_detach(link);
		return NULL;
	}
	
	return link;
} /* atmel_attach */