/*
?*
?*??Driver?for?Bluetooth?PCMCIA?cards?with?HCI?UART?interface
?*
?*
?*/

#include?
#include?

#include?
#include?
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#include?
#include?



/*?========================?Module?parameters?========================?*/


/*?Bit?map?of?interrupts?to?choose?from?*/
static?u_int?irq_mask?=?0xffff;
static?int?irq_list[4]?=?{?-1?};

MODULE_PARM（irq_mask?“i“）;
MODULE_PARM（irq_list?“1-4i“）;

MODULE_AUTHOR（“Marcel?Holtmann?“）;
MODULE_DEscriptION（“BlueZ?driver?for?Bluetooth?PCMCIA?cards?with?HCI?UART?interface“）;
MODULE_LICENSE（“GPL“）;



/*?========================?Local?structures?========================?*/


typedef?struct?btuart_info_t?{
	dev_link_t?link;
	dev_node_t?node;

	struct?hci_dev?hdev;

	spinlock_t?lock;	/*?For?serializing?operations?*/

	struct?sk_buff_head?txq;
	unsigned?long?tx_state;

	unsigned?long?rx_state;
	unsigned?long?rx_count;
	struct?sk_buff?*rx_skb;
}?btuart_info_t;


void?btuart_config（dev_link_t?*link）;
void?btuart_release（u_long?arg）;
int?btuart_event（event_t?event?int?priority?event_callback_args_t?*args）;

static?dev_info_t?dev_info?=?“btuart_cs“;

dev_link_t?*btuart_attach（void）;
void?btuart_detach（dev_link_t?*）;

static?dev_link_t?*dev_list?=?NULL;


/*?Maximum?baud?rate?*/
#define?SPEED_MAX??115200

/*?Default?baud?rate:?57600?115200?230400?or?460800?*/
#define?DEFAULT_BAUD_RATE??115200


/*?Transmit?states??*/
#define?XMIT_SENDING	1
#define?XMIT_WAKEUP	2
#define?XMIT_WAITING	8

/*?Receiver?states?*/
#define?RECV_WAIT_PACKET_TYPE	0
#define?RECV_WAIT_EVENT_HEADER	1
#define?RECV_WAIT_ACL_HEADER	2
#define?RECV_WAIT_SCO_HEADER	3
#define?RECV_WAIT_DATA		4



/*?========================?Interrupt?handling?========================?*/


static?int?btuart_write（unsigned?int?iobase?int?fifo_size?__u8?*buf?int?len）
{
	int?actual?=?0;

	/*?Tx?FIFO?should?be?empty?*/
	if?（!（inb（iobase?+?UART_LSR）?&?UART_LSR_THRE））
		return?0;

	/*?Fill?FIFO?with?current?frame?*/
	while?（（fifo_size--?>?0）?&&?（actual?		/*?Transmit?next?byte?*/
		outb（buf[actual]?iobase?+?UART_TX）;
		actual++;
	}

	return?actual;
}


static?void?btuart_write_wakeup（btuart_info_t?*info）
{
	if?（!info）?{
		printk（KERN_WARNING?“btuart_cs:?Call?of?write_wakeup?for?unknown?device.\n“）;
		return;
	}

	if?（test_and_set_bit（XMIT_SENDING?&（info->tx_state）））?{
		set_bit（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????19867??2006-02-26?09:37??btuart.c

-----------?---------??----------?-----??----

????????????????19867????????????????????1