patch-2.4.20 linux-2.4.20/drivers/bluetooth/dtl1_cs.c
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- Lines: 1476
- Date:
Thu Nov 28 15:53:12 2002
- Orig file:
linux-2.4.19/drivers/bluetooth/dtl1_cs.c
- Orig date:
Fri Aug 2 17:39:43 2002
diff -urN linux-2.4.19/drivers/bluetooth/dtl1_cs.c linux-2.4.20/drivers/bluetooth/dtl1_cs.c
@@ -75,23 +75,22 @@
typedef struct dtl1_info_t {
- dev_link_t link;
- dev_node_t node;
+ dev_link_t link;
+ dev_node_t node;
- struct hci_dev hdev;
+ struct hci_dev hdev;
- spinlock_t lock; /* For serializing operations */
+ spinlock_t lock; /* For serializing operations */
- unsigned long flowmask; /* HCI flow mask */
- int ri_latch;
+ unsigned long flowmask; /* HCI flow mask */
+ int ri_latch;
- struct sk_buff_head txq;
- unsigned long tx_state;
-
- unsigned long rx_state;
- unsigned long rx_count;
- struct sk_buff *rx_skb;
+ struct sk_buff_head txq;
+ unsigned long tx_state;
+ unsigned long rx_state;
+ unsigned long rx_count;
+ struct sk_buff *rx_skb;
} dtl1_info_t;
@@ -104,7 +103,7 @@
dev_link_t *dtl1_attach(void);
void dtl1_detach(dev_link_t *);
-dev_link_t *dev_list = NULL;
+static dev_link_t *dev_list = NULL;
/* Transmit states */
@@ -118,282 +117,253 @@
typedef struct {
- u8 type;
- u8 zero;
- u16 len;
-} __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */
+ u8 type;
+ u8 zero;
+ u16 len;
+} __attribute__ ((packed)) nsh_t; /* Nokia Specific Header */
-#define NSHL 4 /* Nokia Specific Header Length */
+#define NSHL 4 /* Nokia Specific Header Length */
/* ======================== Interrupt handling ======================== */
-static int dtl1_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 < len)) {
- /* Transmit next byte */
- outb(buf[actual], iobase + UART_TX);
- actual++;
- }
-
-
- return actual;
-
-}
-
-
-static void dtl1_write_wakeup(dtl1_info_t *info) {
-
- if (!info) {
- printk(KERN_WARNING "dtl1_cs: Call of write_wakeup for unknown device.\n");
- return;
- }
-
-
- if (test_bit(XMIT_WAITING, &(info->tx_state))) {
- set_bit(XMIT_WAKEUP, &(info->tx_state));
- return;
- }
-
- if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
- set_bit(XMIT_WAKEUP, &(info->tx_state));
- return;
- }
-
-
- do {
- register unsigned int iobase = info->link.io.BasePort1;
- register struct sk_buff *skb;
- register int len;
-
- clear_bit(XMIT_WAKEUP, &(info->tx_state));
-
- if (!(info->link.state & DEV_PRESENT))
- return;
-
-
- if (!(skb = skb_dequeue(&(info->txq))))
- break;
-
-
- /* Send frame */
- len = dtl1_write(iobase, 32, skb->data, skb->len);
-
- if (len == skb->len) {
- set_bit(XMIT_WAITING, &(info->tx_state));
- kfree_skb(skb);
- }
- else {
- skb_pull(skb, len);
- skb_queue_head(&(info->txq), skb);
- }
-
- info->hdev.stat.byte_tx += len;
-
- } while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
-
-
- clear_bit(XMIT_SENDING, &(info->tx_state));
-
-}
-
-
-static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb) {
-
- u8 flowmask = *(u8 *)skb->data;
- int i;
-
-
- printk(KERN_INFO "dtl1_cs: Nokia control data = ");
- for (i = 0; i < skb->len; i++) {
- printk("%02x ", skb->data[i]);
- }
- printk("\n");
-
-
- /* transition to active state */
- if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) {
- clear_bit(XMIT_WAITING, &(info->tx_state));
- dtl1_write_wakeup(info);
- }
-
- info->flowmask = flowmask;
-
-
- kfree_skb(skb);
-
-}
-
-
-static void dtl1_receive(dtl1_info_t *info) {
-
- unsigned int iobase;
- nsh_t *nsh;
- int boguscount = 0;
-
-
- if (!info) {
- printk(KERN_WARNING "dtl1_cs: Call of receive for unknown device.\n");
- return;
- }
-
-
- iobase = info->link.io.BasePort1;
-
- do {
- info->hdev.stat.byte_rx++;
-
- /* Allocate packet */
- if (info->rx_skb == NULL)
- if (!(info->rx_skb = bluez_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
- printk(KERN_WARNING "dtl1_cs: Can't allocate mem for new packet.\n");
- info->rx_state = RECV_WAIT_NSH;
- info->rx_count = NSHL;
- return;
- }
-
-
- *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
- nsh = (nsh_t *)info->rx_skb->data;
-
- info->rx_count--;
-
-
- if (info->rx_count == 0) {
-
- switch (info->rx_state) {
- case RECV_WAIT_NSH:
- info->rx_state = RECV_WAIT_DATA;
- info->rx_count = nsh->len + (nsh->len & 0x0001);
- break;
- case RECV_WAIT_DATA:
- info->rx_skb->pkt_type = nsh->type;
-
- /* remove PAD byte if it exists */
- if (nsh->len & 0x0001) {
- info->rx_skb->tail--;
- info->rx_skb->len--;
- }
-
- /* remove NSH */
- skb_pull(info->rx_skb, NSHL);
-
-
- switch (info->rx_skb->pkt_type) {
- case 0x80:
- /* control data for the Nokia Card */
- dtl1_control(info, info->rx_skb);
- break;
- case 0x82:
- case 0x83:
- case 0x84:
- /* send frame to the HCI layer */
- info->rx_skb->dev = (void *)&(info->hdev);
- info->rx_skb->pkt_type &= 0x0f;
- hci_recv_frame(info->rx_skb);
- break;
- default:
- /* unknown packet */
- printk(KERN_WARNING "dtl1_cs: Unknown HCI packet with type 0x%02x received.\n", info->rx_skb->pkt_type);
- kfree_skb(info->rx_skb);
- break;
- }
-
-
- info->rx_state = RECV_WAIT_NSH;
- info->rx_count = NSHL;
- info->rx_skb = NULL;
- break;
- }
-
- }
-
-
- /* Make sure we don't stay here to long */
- if (boguscount++ > 32)
- break;
-
- } while (inb(iobase + UART_LSR) & UART_LSR_DR);
-
-
-}
-
-
-void dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs) {
-
- dtl1_info_t *info = dev_inst;
- unsigned int iobase;
- unsigned char msr;
- int boguscount = 0;
- int iir, lsr;
-
-
- if (!info) {
- printk(KERN_WARNING "dtl1_cs: Call of irq %d for unknown device.\n", irq);
- return;
- }
-
-
- iobase = info->link.io.BasePort1;
-
-
- spin_lock(&(info->lock));
-
- iir = inb(iobase + UART_IIR) & UART_IIR_ID;
- while (iir) {
-
- /* Clear interrupt */
- lsr = inb(iobase + UART_LSR);
-
- switch (iir) {
- case UART_IIR_RLSI:
- printk(KERN_NOTICE "dtl1_cs: RLSI\n");
- break;
- case UART_IIR_RDI:
- /* Receive interrupt */
- dtl1_receive(info);
- break;
- case UART_IIR_THRI:
- if (lsr & UART_LSR_THRE) {
- /* Transmitter ready for data */
- dtl1_write_wakeup(info);
- }
- break;
- default:
- printk(KERN_NOTICE "dtl1_cs: Unhandled IIR=%#x\n", iir);
- break;
- }
-
- /* Make sure we don't stay here to long */
- if (boguscount++ > 100)
- break;
-
- iir = inb(iobase + UART_IIR) & UART_IIR_ID;
-
- }
-
-
- msr = inb(iobase + UART_MSR);
-
- if (info->ri_latch ^ (msr & UART_MSR_RI)) {
- info->ri_latch = msr & UART_MSR_RI;
- clear_bit(XMIT_WAITING, &(info->tx_state));
- dtl1_write_wakeup(info);
- }
-
- spin_unlock(&(info->lock));
+static int dtl1_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 < len)) {
+ /* Transmit next byte */
+ outb(buf[actual], iobase + UART_TX);
+ actual++;
+ }
+
+ return actual;
+}
+
+
+static void dtl1_write_wakeup(dtl1_info_t *info)
+{
+ if (!info) {
+ printk(KERN_WARNING "dtl1_cs: Call of write_wakeup for unknown device.\n");
+ return;
+ }
+
+ if (test_bit(XMIT_WAITING, &(info->tx_state))) {
+ set_bit(XMIT_WAKEUP, &(info->tx_state));
+ return;
+ }
+
+ if (test_and_set_bit(XMIT_SENDING, &(info->tx_state))) {
+ set_bit(XMIT_WAKEUP, &(info->tx_state));
+ return;
+ }
+
+ do {
+ register unsigned int iobase = info->link.io.BasePort1;
+ register struct sk_buff *skb;
+ register int len;
+
+ clear_bit(XMIT_WAKEUP, &(info->tx_state));
+
+ if (!(info->link.state & DEV_PRESENT))
+ return;
+
+ if (!(skb = skb_dequeue(&(info->txq))))
+ break;
+
+ /* Send frame */
+ len = dtl1_write(iobase, 32, skb->data, skb->len);
+
+ if (len == skb->len) {
+ set_bit(XMIT_WAITING, &(info->tx_state));
+ kfree_skb(skb);
+ } else {
+ skb_pull(skb, len);
+ skb_queue_head(&(info->txq), skb);
+ }
+
+ info->hdev.stat.byte_tx += len;
+
+ } while (test_bit(XMIT_WAKEUP, &(info->tx_state)));
+
+ clear_bit(XMIT_SENDING, &(info->tx_state));
+}
+
+
+static void dtl1_control(dtl1_info_t *info, struct sk_buff *skb)
+{
+ u8 flowmask = *(u8 *)skb->data;
+ int i;
+
+ printk(KERN_INFO "dtl1_cs: Nokia control data = ");
+ for (i = 0; i < skb->len; i++) {
+ printk("%02x ", skb->data[i]);
+ }
+ printk("\n");
+
+ /* transition to active state */
+ if (((info->flowmask & 0x07) == 0) && ((flowmask & 0x07) != 0)) {
+ clear_bit(XMIT_WAITING, &(info->tx_state));
+ dtl1_write_wakeup(info);
+ }
+
+ info->flowmask = flowmask;
+
+ kfree_skb(skb);
+}
+
+
+static void dtl1_receive(dtl1_info_t *info)
+{
+ unsigned int iobase;
+ nsh_t *nsh;
+ int boguscount = 0;
+
+ if (!info) {
+ printk(KERN_WARNING "dtl1_cs: Call of receive for unknown device.\n");
+ return;
+ }
+
+ iobase = info->link.io.BasePort1;
+
+ do {
+ info->hdev.stat.byte_rx++;
+
+ /* Allocate packet */
+ if (info->rx_skb == NULL)
+ if (!(info->rx_skb = bluez_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC))) {
+ printk(KERN_WARNING "dtl1_cs: Can't allocate mem for new packet.\n");
+ info->rx_state = RECV_WAIT_NSH;
+ info->rx_count = NSHL;
+ return;
+ }
+
+ *skb_put(info->rx_skb, 1) = inb(iobase + UART_RX);
+ nsh = (nsh_t *)info->rx_skb->data;
+
+ info->rx_count--;
+
+ if (info->rx_count == 0) {
+
+ switch (info->rx_state) {
+ case RECV_WAIT_NSH:
+ info->rx_state = RECV_WAIT_DATA;
+ info->rx_count = nsh->len + (nsh->len & 0x0001);
+ break;
+ case RECV_WAIT_DATA:
+ info->rx_skb->pkt_type = nsh->type;
+
+ /* remove PAD byte if it exists */
+ if (nsh->len & 0x0001) {
+ info->rx_skb->tail--;
+ info->rx_skb->len--;
+ }
+
+ /* remove NSH */
+ skb_pull(info->rx_skb, NSHL);
+
+ switch (info->rx_skb->pkt_type) {
+ case 0x80:
+ /* control data for the Nokia Card */
+ dtl1_control(info, info->rx_skb);
+ break;
+ case 0x82:
+ case 0x83:
+ case 0x84:
+ /* send frame to the HCI layer */
+ info->rx_skb->dev = (void *)&(info->hdev);
+ info->rx_skb->pkt_type &= 0x0f;
+ hci_recv_frame(info->rx_skb);
+ break;
+ default:
+ /* unknown packet */
+ printk(KERN_WARNING "dtl1_cs: Unknown HCI packet with type 0x%02x received.\n", info->rx_skb->pkt_type);
+ kfree_skb(info->rx_skb);
+ break;
+ }
+
+ info->rx_state = RECV_WAIT_NSH;
+ info->rx_count = NSHL;
+ info->rx_skb = NULL;
+ break;
+ }
+
+ }
+
+ /* Make sure we don't stay here to long */
+ if (boguscount++ > 32)
+ break;
+
+ } while (inb(iobase + UART_LSR) & UART_LSR_DR);
+}
+
+
+void dtl1_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+{
+ dtl1_info_t *info = dev_inst;
+ unsigned int iobase;
+ unsigned char msr;
+ int boguscount = 0;
+ int iir, lsr;
+
+ if (!info) {
+ printk(KERN_WARNING "dtl1_cs: Call of irq %d for unknown device.\n", irq);
+ return;
+ }
+
+ iobase = info->link.io.BasePort1;
+
+ spin_lock(&(info->lock));
+
+ iir = inb(iobase + UART_IIR) & UART_IIR_ID;
+ while (iir) {
+
+ /* Clear interrupt */
+ lsr = inb(iobase + UART_LSR);
+
+ switch (iir) {
+ case UART_IIR_RLSI:
+ printk(KERN_NOTICE "dtl1_cs: RLSI\n");
+ break;
+ case UART_IIR_RDI:
+ /* Receive interrupt */
+ dtl1_receive(info);
+ break;
+ case UART_IIR_THRI:
+ if (lsr & UART_LSR_THRE) {
+ /* Transmitter ready for data */
+ dtl1_write_wakeup(info);
+ }
+ break;
+ default:
+ printk(KERN_NOTICE "dtl1_cs: Unhandled IIR=%#x\n", iir);
+ break;
+ }
+
+ /* Make sure we don't stay here to long */
+ if (boguscount++ > 100)
+ break;
+
+ iir = inb(iobase + UART_IIR) & UART_IIR_ID;
+
+ }
+
+ msr = inb(iobase + UART_MSR);
+
+ if (info->ri_latch ^ (msr & UART_MSR_RI)) {
+ info->ri_latch = msr & UART_MSR_RI;
+ clear_bit(XMIT_WAITING, &(info->tx_state));
+ dtl1_write_wakeup(info);
+ }
+ spin_unlock(&(info->lock));
}
@@ -401,107 +371,94 @@
/* ======================== HCI interface ======================== */
-static int dtl1_hci_open(struct hci_dev *hdev) {
-
- set_bit(HCI_RUNNING, &(hdev->flags));
-
-
- return 0;
+static int dtl1_hci_open(struct hci_dev *hdev)
+{
+ set_bit(HCI_RUNNING, &(hdev->flags));
+ return 0;
}
-static int dtl1_hci_flush(struct hci_dev *hdev) {
-
- dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data);
-
-
- /* Drop TX queue */
- skb_queue_purge(&(info->txq));
-
+static int dtl1_hci_flush(struct hci_dev *hdev)
+{
+ dtl1_info_t *info = (dtl1_info_t *)(hdev->driver_data);
- return 0;
+ /* Drop TX queue */
+ skb_queue_purge(&(info->txq));
+ return 0;
}
-static int dtl1_hci_close(struct hci_dev *hdev) {
+static int dtl1_hci_close(struct hci_dev *hdev)
+{
+ if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
+ return 0;
- if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
-
- dtl1_hci_flush(hdev);
-
-
- return 0;
+ dtl1_hci_flush(hdev);
+ return 0;
}
-static int dtl1_hci_send_frame(struct sk_buff *skb) {
-
- dtl1_info_t *info;
- struct hci_dev* hdev = (struct hci_dev *)(skb->dev);
- struct sk_buff *s;
- nsh_t nsh;
-
+static int dtl1_hci_send_frame(struct sk_buff *skb)
+{
+ dtl1_info_t *info;
+ struct hci_dev *hdev = (struct hci_dev *)(skb->dev);
+ struct sk_buff *s;
+ nsh_t nsh;
- if (!hdev) {
- printk(KERN_WARNING "dtl1_cs: Frame for unknown HCI device (hdev=NULL).");
- return -ENODEV;
- }
+ if (!hdev) {
+ printk(KERN_WARNING "dtl1_cs: Frame for unknown HCI device (hdev=NULL).");
+ return -ENODEV;
+ }
- info = (dtl1_info_t *)(hdev->driver_data);
+ info = (dtl1_info_t *)(hdev->driver_data);
+ switch (skb->pkt_type) {
+ case HCI_COMMAND_PKT:
+ hdev->stat.cmd_tx++;
+ nsh.type = 0x81;
+ break;
+ case HCI_ACLDATA_PKT:
+ hdev->stat.acl_tx++;
+ nsh.type = 0x82;
+ break;
+ case HCI_SCODATA_PKT:
+ hdev->stat.sco_tx++;
+ nsh.type = 0x83;
+ break;
+ };
- switch (skb->pkt_type) {
- case HCI_COMMAND_PKT:
- hdev->stat.cmd_tx++;
- nsh.type = 0x81;
- break;
- case HCI_ACLDATA_PKT:
- hdev->stat.acl_tx++;
- nsh.type = 0x82;
- break;
- case HCI_SCODATA_PKT:
- hdev->stat.sco_tx++;
- nsh.type = 0x83;
- break;
- };
+ nsh.zero = 0;
+ nsh.len = skb->len;
- nsh.zero = 0;
- nsh.len = skb->len;
+ s = bluez_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC);
+ skb_reserve(s, NSHL);
+ memcpy(skb_put(s, skb->len), skb->data, skb->len);
+ if (skb->len & 0x0001)
+ *skb_put(s, 1) = 0; /* PAD */
- s = bluez_skb_alloc(NSHL + skb->len + 1, GFP_ATOMIC);
- skb_reserve(s, NSHL);
- memcpy(skb_put(s, skb->len), skb->data, skb->len);
- if (skb->len & 0x0001)
- *skb_put(s, 1) = 0; /* PAD */
+ /* Prepend skb with Nokia frame header and queue */
+ memcpy(skb_push(s, NSHL), &nsh, NSHL);
+ skb_queue_tail(&(info->txq), s);
- /* Prepend skb with Nokia frame header and queue */
- memcpy(skb_push(s, NSHL), &nsh, NSHL);
- skb_queue_tail(&(info->txq), s);
+ dtl1_write_wakeup(info);
+ kfree_skb(skb);
- dtl1_write_wakeup(info);
-
- kfree_skb(skb);
-
-
- return 0;
-
+ return 0;
}
-static void dtl1_hci_destruct(struct hci_dev *hdev) {
+static void dtl1_hci_destruct(struct hci_dev *hdev)
+{
}
-static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) {
-
- return -ENOIOCTLCMD;
-
+static int dtl1_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg)
+{
+ return -ENOIOCTLCMD;
}
@@ -509,101 +466,91 @@
/* ======================== Card services HCI interaction ======================== */
-int dtl1_open(dtl1_info_t *info) {
+int dtl1_open(dtl1_info_t *info)
+{
+ unsigned long flags;
+ unsigned int iobase = info->link.io.BasePort1;
+ struct hci_dev *hdev;
- unsigned long flags;
- unsigned int iobase = info->link.io.BasePort1;
- struct hci_dev *hdev;
+ spin_lock_init(&(info->lock));
+ skb_queue_head_init(&(info->txq));
- spin_lock_init(&(info->lock));
+ info->rx_state = RECV_WAIT_NSH;
+ info->rx_count = NSHL;
+ info->rx_skb = NULL;
- skb_queue_head_init(&(info->txq));
+ set_bit(XMIT_WAITING, &(info->tx_state));
- info->rx_state = RECV_WAIT_NSH;
- info->rx_count = NSHL;
- info->rx_skb = NULL;
+ spin_lock_irqsave(&(info->lock), flags);
- set_bit(XMIT_WAITING, &(info->tx_state));
+ /* Reset UART */
+ outb(0, iobase + UART_MCR);
+ /* Turn off interrupts */
+ outb(0, iobase + UART_IER);
- spin_lock_irqsave(&(info->lock), flags);
+ /* Initialize UART */
+ outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
+ outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
- /* Reset UART */
- outb(0, iobase + UART_MCR);
+ info->ri_latch = inb(info->link.io.BasePort1 + UART_MSR) & UART_MSR_RI;
- /* Turn off interrupts */
- outb(0, iobase + UART_IER);
+ /* Turn on interrupts */
+ outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
- /* Initialize UART */
- outb(UART_LCR_WLEN8, iobase + UART_LCR); /* Reset DLAB */
- outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase + UART_MCR);
+ spin_unlock_irqrestore(&(info->lock), flags);
- info->ri_latch = inb(info->link.io.BasePort1 + UART_MSR) & UART_MSR_RI;
+ /* Timeout before it is safe to send the first HCI packet */
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(HZ * 2);
- /* Turn on interrupts */
- outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
- spin_unlock_irqrestore(&(info->lock), flags);
+ /* Initialize and register HCI device */
+ hdev = &(info->hdev);
- /* Timeout before it is safe to send the first HCI packet */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ * 2);
+ hdev->type = HCI_PCCARD;
+ hdev->driver_data = info;
+ hdev->open = dtl1_hci_open;
+ hdev->close = dtl1_hci_close;
+ hdev->flush = dtl1_hci_flush;
+ hdev->send = dtl1_hci_send_frame;
+ hdev->destruct = dtl1_hci_destruct;
+ hdev->ioctl = dtl1_hci_ioctl;
- /* Initialize and register HCI device */
-
- hdev = &(info->hdev);
-
- hdev->type = HCI_PCCARD;
- hdev->driver_data = info;
-
- hdev->open = dtl1_hci_open;
- hdev->close = dtl1_hci_close;
- hdev->flush = dtl1_hci_flush;
- hdev->send = dtl1_hci_send_frame;
- hdev->destruct = dtl1_hci_destruct;
- hdev->ioctl = dtl1_hci_ioctl;
-
- if (hci_register_dev(hdev) < 0) {
- printk(KERN_WARNING "dtl1_cs: Can't register HCI device %s.\n", hdev->name);
- return -ENODEV;
- }
-
-
- return 0;
+ if (hci_register_dev(hdev) < 0) {
+ printk(KERN_WARNING "dtl1_cs: Can't register HCI device %s.\n", hdev->name);
+ return -ENODEV;
+ }
+ return 0;
}
-int dtl1_close(dtl1_info_t *info) {
-
- unsigned long flags;
- unsigned int iobase = info->link.io.BasePort1;
- struct hci_dev *hdev = &(info->hdev);
-
-
- dtl1_hci_close(hdev);
-
-
- spin_lock_irqsave(&(info->lock), flags);
-
- /* Reset UART */
- outb(0, iobase + UART_MCR);
+int dtl1_close(dtl1_info_t *info)
+{
+ unsigned long flags;
+ unsigned int iobase = info->link.io.BasePort1;
+ struct hci_dev *hdev = &(info->hdev);
- /* Turn off interrupts */
- outb(0, iobase + UART_IER);
+ dtl1_hci_close(hdev);
- spin_unlock_irqrestore(&(info->lock), flags);
+ spin_lock_irqsave(&(info->lock), flags);
+ /* Reset UART */
+ outb(0, iobase + UART_MCR);
- if (hci_unregister_dev(hdev) < 0)
- printk(KERN_WARNING "dtl1_cs: Can't unregister HCI device %s.\n", hdev->name);
+ /* Turn off interrupts */
+ outb(0, iobase + UART_IER);
+ spin_unlock_irqrestore(&(info->lock), flags);
- return 0;
+ if (hci_unregister_dev(hdev) < 0)
+ printk(KERN_WARNING "dtl1_cs: Can't unregister HCI device %s.\n", hdev->name);
+ return 0;
}
@@ -611,291 +558,267 @@
/* ======================== Card services ======================== */
-static void cs_error(client_handle_t handle, int func, int ret) {
-
- error_info_t err = { func, ret };
-
-
- CardServices(ReportError, handle, &err);
-
-}
-
-
-dev_link_t *dtl1_attach(void) {
-
- dtl1_info_t *info;
- client_reg_t client_reg;
- dev_link_t *link;
- int i, ret;
-
-
- /* Create new info device */
- info = kmalloc(sizeof(*info), GFP_KERNEL);
- if (!info)
- return NULL;
- memset(info, 0, sizeof(*info));
-
-
- link = &info->link;
- link->priv = info;
-
- link->release.function = &dtl1_release;
- link->release.data = (u_long)link;
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- link->io.NumPorts1 = 8;
- link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
- 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 = dtl1_interrupt;
- link->irq.Instance = info;
-
- link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
- link->conf.IntType = INT_MEMORY_AND_IO;
-
-
- /* 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 = &dtl1_event;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
-
- ret = CardServices(RegisterClient, &link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- dtl1_detach(link);
- return NULL;
- }
-
-
- return link;
-
-}
-
-
-void dtl1_detach(dev_link_t *link) {
-
- dtl1_info_t *info = link->priv;
- dev_link_t **linkp;
- int ret;
-
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link)
- break;
-
- if (*linkp == NULL)
- return;
-
-
- del_timer(&link->release);
- if (link->state & DEV_CONFIG)
- dtl1_release((u_long)link);
-
-
- if (link->handle) {
- ret = CardServices(DeregisterClient, link->handle);
- if (ret != CS_SUCCESS)
- cs_error(link->handle, DeregisterClient, ret);
- }
-
-
- /* Unlink device structure, free bits */
- *linkp = link->next;
-
- kfree(info);
-
-}
-
-
-static int get_tuple(int fn, client_handle_t handle, tuple_t *tuple,
- cisparse_t *parse) {
-
- int i;
-
-
- i = CardServices(fn, handle, tuple);
- if (i != CS_SUCCESS)
- return CS_NO_MORE_ITEMS;
-
- i = CardServices(GetTupleData, handle, tuple);
- if (i != CS_SUCCESS)
- return i;
-
- return CardServices(ParseTuple, handle, tuple, parse);
+static void cs_error(client_handle_t handle, int func, int ret)
+{
+ error_info_t err = { func, ret };
+
+ CardServices(ReportError, handle, &err);
+}
+
+
+dev_link_t *dtl1_attach(void)
+{
+ dtl1_info_t *info;
+ client_reg_t client_reg;
+ dev_link_t *link;
+ int i, ret;
+
+ /* Create new info device */
+ info = kmalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return NULL;
+ memset(info, 0, sizeof(*info));
+
+ link = &info->link;
+ link->priv = info;
+
+ link->release.function = &dtl1_release;
+ link->release.data = (u_long)link;
+ link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ link->io.NumPorts1 = 8;
+ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+ 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 = dtl1_interrupt;
+ link->irq.Instance = info;
+
+ link->conf.Attributes = CONF_ENABLE_IRQ;
+ link->conf.Vcc = 50;
+ link->conf.IntType = INT_MEMORY_AND_IO;
+
+ /* 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 = &dtl1_event;
+ client_reg.Version = 0x0210;
+ client_reg.event_callback_args.client_data = link;
+
+ ret = CardServices(RegisterClient, &link->handle, &client_reg);
+ if (ret != CS_SUCCESS) {
+ cs_error(link->handle, RegisterClient, ret);
+ dtl1_detach(link);
+ return NULL;
+ }
+
+ return link;
+}
+
+
+void dtl1_detach(dev_link_t *link)
+{
+ dtl1_info_t *info = link->priv;
+ dev_link_t **linkp;
+ int ret;
+
+ /* Locate device structure */
+ for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
+ if (*linkp == link)
+ break;
+
+ if (*linkp == NULL)
+ return;
+
+ del_timer(&link->release);
+ if (link->state & DEV_CONFIG)
+ dtl1_release((u_long)link);
+
+ if (link->handle) {
+ ret = CardServices(DeregisterClient, link->handle);
+ if (ret != CS_SUCCESS)
+ cs_error(link->handle, DeregisterClient, ret);
+ }
+
+ /* Unlink device structure, free bits */
+ *linkp = link->next;
+
+ kfree(info);
+}
+
+
+static int get_tuple(int fn, client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
+{
+ int i;
+
+ i = CardServices(fn, handle, tuple);
+ if (i != CS_SUCCESS)
+ return CS_NO_MORE_ITEMS;
+
+ i = CardServices(GetTupleData, handle, tuple);
+ if (i != CS_SUCCESS)
+ return i;
+ return CardServices(ParseTuple, handle, tuple, parse);
}
#define first_tuple(a, b, c) get_tuple(GetFirstTuple, a, b, c)
#define next_tuple(a, b, c) get_tuple(GetNextTuple, a, b, c)
-void dtl1_config(dev_link_t *link) {
-
- client_handle_t handle = link->handle;
- dtl1_info_t *info = link->priv;
- tuple_t tuple;
- u_short buf[256];
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
- config_info_t config;
- int i, last_ret, last_fn;
-
-
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
-
- /* Get configuration register information */
- tuple.DesiredTuple = CISTPL_CONFIG;
- last_ret = first_tuple(handle, &tuple, &parse);
- if (last_ret != CS_SUCCESS) {
- last_fn = ParseTuple;
- goto cs_failed;
- }
- link->conf.ConfigBase = parse.config.base;
- link->conf.Present = parse.config.rmask[0];
-
-
- /* Configure card */
- link->state |= DEV_CONFIG;
- i = CardServices(GetConfigurationInfo, handle, &config);
- link->conf.Vcc = config.Vcc;
-
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-
- /* Look for a generic full-sized window */
- link->io.NumPorts1 = 8;
- i = first_tuple(handle, &tuple, &parse);
- while (i != CS_NO_MORE_ITEMS) {
- if ((i == CS_SUCCESS) && (cf->io.nwin == 1) && (cf->io.win[0].len > 8)) {
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- link->io.NumPorts1 = cf->io.win[0].len; /*yo*/
- link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
- i = CardServices(RequestIO, link->handle, &link->io);
- if (i == CS_SUCCESS)
- break;
- }
- i = next_tuple(handle, &tuple, &parse);
- }
-
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIO, i);
- goto failed;
- }
-
- i = CardServices(RequestIRQ, link->handle, &link->irq);
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIRQ, i);
- link->irq.AssignedIRQ = 0;
- }
-
- i = CardServices(RequestConfiguration, link->handle, &link->conf);
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestConfiguration, i);
- goto failed;
- }
-
-
- MOD_INC_USE_COUNT;
-
- if (dtl1_open(info) != 0)
- goto failed;
-
-
- link->dev = &info->node;
- link->state &= ~DEV_CONFIG_PENDING;
-
-
- return;
+void dtl1_config(dev_link_t *link)
+{
+ client_handle_t handle = link->handle;
+ dtl1_info_t *info = link->priv;
+ tuple_t tuple;
+ u_short buf[256];
+ cisparse_t parse;
+ cistpl_cftable_entry_t *cf = &parse.cftable_entry;
+ config_info_t config;
+ int i, last_ret, last_fn;
+
+ tuple.TupleData = (cisdata_t *)buf;
+ tuple.TupleOffset = 0;
+ tuple.TupleDataMax = 255;
+ tuple.Attributes = 0;
+
+ /* Get configuration register information */
+ tuple.DesiredTuple = CISTPL_CONFIG;
+ last_ret = first_tuple(handle, &tuple, &parse);
+ if (last_ret != CS_SUCCESS) {
+ last_fn = ParseTuple;
+ goto cs_failed;
+ }
+ link->conf.ConfigBase = parse.config.base;
+ link->conf.Present = parse.config.rmask[0];
+
+ /* Configure card */
+ link->state |= DEV_CONFIG;
+ i = CardServices(GetConfigurationInfo, handle, &config);
+ link->conf.Vcc = config.Vcc;
+
+ tuple.TupleData = (cisdata_t *)buf;
+ tuple.TupleOffset = 0;
+ tuple.TupleDataMax = 255;
+ tuple.Attributes = 0;
+ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+
+ /* Look for a generic full-sized window */
+ link->io.NumPorts1 = 8;
+ i = first_tuple(handle, &tuple, &parse);
+ while (i != CS_NO_MORE_ITEMS) {
+ if ((i == CS_SUCCESS) && (cf->io.nwin == 1) && (cf->io.win[0].len > 8)) {
+ link->conf.ConfigIndex = cf->index;
+ link->io.BasePort1 = cf->io.win[0].base;
+ link->io.NumPorts1 = cf->io.win[0].len; /*yo */
+ link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
+ i = CardServices(RequestIO, link->handle, &link->io);
+ if (i == CS_SUCCESS)
+ break;
+ }
+ i = next_tuple(handle, &tuple, &parse);
+ }
+
+ if (i != CS_SUCCESS) {
+ cs_error(link->handle, RequestIO, i);
+ goto failed;
+ }
+
+ i = CardServices(RequestIRQ, link->handle, &link->irq);
+ if (i != CS_SUCCESS) {
+ cs_error(link->handle, RequestIRQ, i);
+ link->irq.AssignedIRQ = 0;
+ }
+
+ i = CardServices(RequestConfiguration, link->handle, &link->conf);
+ if (i != CS_SUCCESS) {
+ cs_error(link->handle, RequestConfiguration, i);
+ goto failed;
+ }
+
+ MOD_INC_USE_COUNT;
+
+ if (dtl1_open(info) != 0)
+ goto failed;
+
+ strcpy(info->node.dev_name, info->hdev.name);
+ link->dev = &info->node;
+ link->state &= ~DEV_CONFIG_PENDING;
+ return;
cs_failed:
- cs_error(link->handle, last_fn, last_ret);
-failed:
- dtl1_release((u_long)link);
+ cs_error(link->handle, last_fn, last_ret);
+failed:
+ dtl1_release((u_long)link);
}
-void dtl1_release(u_long arg) {
-
- dev_link_t *link = (dev_link_t *)arg;
- dtl1_info_t *info = link->priv;
-
-
- if (link->state & DEV_PRESENT)
- dtl1_close(info);
-
- MOD_DEC_USE_COUNT;
-
-
- link->dev = NULL;
-
- CardServices(ReleaseConfiguration, link->handle);
- CardServices(ReleaseIO, link->handle, &link->io);
- CardServices(ReleaseIRQ, link->handle, &link->irq);
-
- link->state &= ~DEV_CONFIG;
-
+void dtl1_release(u_long arg)
+{
+ dev_link_t *link = (dev_link_t *)arg;
+ dtl1_info_t *info = link->priv;
+
+ if (link->state & DEV_PRESENT)
+ dtl1_close(info);
+
+ MOD_DEC_USE_COUNT;
+
+ link->dev = NULL;
+
+ CardServices(ReleaseConfiguration, link->handle);
+ CardServices(ReleaseIO, link->handle, &link->io);
+ CardServices(ReleaseIRQ, link->handle, &link->irq);
+
+ link->state &= ~DEV_CONFIG;
}
-int dtl1_event(event_t event, int priority, event_callback_args_t *args) {
-
- dev_link_t *link = args->client_data;
- dtl1_info_t *info = link->priv;
-
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- dtl1_close(info);
- mod_timer(&link->release, jiffies + HZ/20);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- dtl1_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- if (link->state & DEV_CONFIG)
- CardServices(ReleaseConfiguration, link->handle);
- break;
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (DEV_OK(link))
- CardServices(RequestConfiguration, link->handle, &link->conf);
- break;
- }
-
-
- return 0;
+int dtl1_event(event_t event, int priority, event_callback_args_t *args)
+{
+ dev_link_t *link = args->client_data;
+ dtl1_info_t *info = link->priv;
+
+ switch (event) {
+ case CS_EVENT_CARD_REMOVAL:
+ link->state &= ~DEV_PRESENT;
+ if (link->state & DEV_CONFIG) {
+ dtl1_close(info);
+ mod_timer(&link->release, jiffies + HZ / 20);
+ }
+ break;
+ case CS_EVENT_CARD_INSERTION:
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ dtl1_config(link);
+ break;
+ case CS_EVENT_PM_SUSPEND:
+ link->state |= DEV_SUSPEND;
+ /* Fall through... */
+ case CS_EVENT_RESET_PHYSICAL:
+ if (link->state & DEV_CONFIG)
+ CardServices(ReleaseConfiguration, link->handle);
+ break;
+ case CS_EVENT_PM_RESUME:
+ link->state &= ~DEV_SUSPEND;
+ /* Fall through... */
+ case CS_EVENT_CARD_RESET:
+ if (DEV_OK(link))
+ CardServices(RequestConfiguration, link->handle, &link->conf);
+ break;
+ }
+ return 0;
}
@@ -903,33 +826,29 @@
/* ======================== Module initialization ======================== */
-int __init init_dtl1_cs(void) {
+int __init init_dtl1_cs(void)
+{
+ servinfo_t serv;
+ int err;
- servinfo_t serv;
- int err;
+ CardServices(GetCardServicesInfo, &serv);
+ if (serv.Revision != CS_RELEASE_CODE) {
+ printk(KERN_NOTICE "dtl1_cs: Card Services release does not match!\n");
+ return -1;
+ }
+ err = register_pccard_driver(&dev_info, &dtl1_attach, &dtl1_detach);
- CardServices(GetCardServicesInfo, &serv);
- if (serv.Revision != CS_RELEASE_CODE) {
- printk(KERN_NOTICE "dtl1_cs: Card Services release does not match!\n");
- return -1;
- }
-
-
- err = register_pccard_driver(&dev_info, &dtl1_attach, &dtl1_detach);
-
-
- return err;
-
+ return err;
}
-void __exit exit_dtl1_cs(void) {
-
- unregister_pccard_driver(&dev_info);
- while (dev_list != NULL)
- dtl1_detach(dev_list);
+void __exit exit_dtl1_cs(void)
+{
+ unregister_pccard_driver(&dev_info);
+ while (dev_list != NULL)
+ dtl1_detach(dev_list);
}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)