unsigned short memreg_tx_new; /* TX2 (new) Register (R/W) */
};
-#define IODMADPR 0x00 /* DMA Data Port Register (R/W) */
-
#define CARD_PRESENT_VALUE (0xBEEFCAFEUL)
#define MEMTX_TX 0x0001
#define MEMRX_RX 0x0001
#define MEMRX_RX_DONE 0x0001
#define MEMRX_PCINTACKK 0x0001
-#define MEMRX_MEMSPURIOUSINT 0x0001
#define NL_NUM_OF_PRIORITIES 3
#define NL_NUM_OF_PROTOCOLS 3
unsigned int base_port;
short hw_version;
unsigned short ll_mtu;
- spinlock_t spinlock;
+ spinlock_t lock;
int initializing;
int init_loops;
static int do_send_fragment(struct ipw_hardware *hw, const unsigned char *data,
unsigned length)
{
- int i;
+ unsigned i;
unsigned long flags;
start_timing();
if (ipwireless_debug)
dump_data_bytes("send", data, length);
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->tx_ready = 0;
unsigned short d = data[i];
__le16 raw_data;
- if (likely(i + 1 < length))
+ if (i + 1 < length)
d |= data[i + 1] << 8;
raw_data = cpu_to_le16(d);
outw(raw_data, hw->base_port + IODWR);
outw(DCR_TXDONE, hw->base_port + IODCR);
} else if (hw->hw_version == HW_VERSION_2) {
- outw((unsigned short) length, hw->base_port + IODMADPR);
+ outw((unsigned short) length, hw->base_port);
for (i = 0; i < length; i += 2) {
unsigned short d = data[i];
__le16 raw_data;
- if ((i + 1 < length))
+ if (i + 1 < length)
d |= data[i + 1] << 8;
raw_data = cpu_to_le16(d);
- outw(raw_data, hw->base_port + IODMADPR);
+ outw(raw_data, hw->base_port);
}
while ((i & 3) != 2) {
- outw((unsigned short) 0xDEAD, hw->base_port + IODMADPR);
+ outw((unsigned short) 0xDEAD, hw->base_port);
i += 2;
}
writew(MEMRX_RX, &hw->memory_info_regs->memreg_rx);
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
end_write_timing(length);
*/
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
list_add(&packet->queue, &hw->tx_queue[0]);
hw->tx_queued++;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
} else {
if (packet->packet_callback)
packet->packet_callback(packet->callback_data,
{
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
if (hw->hw_version == HW_VERSION_1) {
/* Reset RX FIFO */
outw(DCR_RXRESET, hw->base_port + IODCR);
csr |= 1;
writew(csr, &hw->memregs_CCR->reg_config_and_status);
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
/*
if (!packet) {
unsigned long flags;
- /*
- * If this is the first fragment, then we will need to fetch a
- * packet to put it in.
- */
- spin_lock_irqsave(&hw->spinlock, flags);
- /* If we have one in our pool, then pull it out. */
+ spin_lock_irqsave(&hw->lock, flags);
if (!list_empty(&hw->rx_pool)) {
packet = list_first_entry(&hw->rx_pool,
struct ipw_rx_packet, queue);
list_del(&packet->queue);
hw->rx_pool_size--;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
} else {
- /* Otherwise allocate a new one. */
static int min_capacity = 256;
int new_capacity;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
new_capacity =
- minimum_free_space > min_capacity
- ? minimum_free_space
- : min_capacity;
+ (minimum_free_space > min_capacity
+ ? minimum_free_space
+ : min_capacity);
packet = kmalloc(sizeof(struct ipw_rx_packet)
+ new_capacity, GFP_ATOMIC);
if (!packet)
packet->length = 0;
}
- /*
- * If this packet does not have sufficient capacity for the data we
- * want to add, then make it bigger.
- */
if (packet->length + minimum_free_space > packet->capacity) {
struct ipw_rx_packet *old_packet = packet;
packet = kmalloc(sizeof(struct ipw_rx_packet) +
old_packet->length + minimum_free_space,
GFP_ATOMIC);
- if (!packet)
+ if (!packet) {
+ kfree(old_packet);
return NULL;
+ }
memcpy(packet, old_packet,
sizeof(struct ipw_rx_packet)
+ old_packet->length);
packet = *assem;
*assem = NULL;
/* Count queued DATA bytes only */
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->rx_bytes_queued += packet->length;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
} else {
/* If it's a CTRL packet, don't assemble, just queue it. */
* network layer.
*/
if (packet) {
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
list_add_tail(&packet->queue, &hw->rx_queue);
/* Block reception of incoming packets if queue is full. */
hw->blocking_rx =
- hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE;
+ (hw->rx_bytes_queued >= IPWIRELESS_RX_QUEUE_SIZE);
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
schedule_work(&hw->work_rx);
}
}
container_of(work_rx, struct ipw_hardware, work_rx);
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
while (!list_empty(&hw->rx_queue)) {
struct ipw_rx_packet *packet =
list_first_entry(&hw->rx_queue,
if (packet->protocol == TL_PROTOCOLID_COM_DATA) {
if (hw->network != NULL) {
/* If the network hasn't been disconnected. */
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
/*
* This must run unlocked due to tty processing
* and mutex locking
(unsigned char *)packet
+ sizeof(struct ipw_rx_packet),
packet->length);
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
}
/* Count queued DATA bytes only */
hw->rx_bytes_queued -= packet->length;
if (hw->shutting_down)
break;
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
static void handle_received_CTRL_packet(struct ipw_hardware *hw,
static void do_receive_packet(struct ipw_hardware *hw)
{
unsigned len;
- unsigned int i;
+ unsigned i;
unsigned char pkt[LL_MTU_MAX];
start_timing();
pkt[i + 1] = (unsigned char) (data >> 8);
}
} else {
- len = inw(hw->base_port + IODMADPR);
+ len = inw(hw->base_port);
if (len > hw->ll_mtu) {
printk(KERN_INFO IPWIRELESS_PCCARD_NAME
": received a packet of %u bytes - "
}
for (i = 0; i < len; i += 2) {
- __le16 raw_data = inw(hw->base_port + IODMADPR);
+ __le16 raw_data = inw(hw->base_port);
unsigned short data = le16_to_cpu(raw_data);
pkt[i] = (unsigned char) data;
}
while ((i & 3) != 2) {
- inw(hw->base_port + IODMADPR);
+ inw(hw->base_port);
i += 2;
}
}
* until setup is complete.
*/
return (hw->to_setup || hw->initializing
- ? PRIO_SETUP + 1 :
- NL_NUM_OF_PRIORITIES);
+ ? PRIO_SETUP + 1 : NL_NUM_OF_PRIORITIES);
}
/*
int received = 0;
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
while (hw->rx_ready && !hw->blocking_rx) {
received = 1;
hw->rx_ready--;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
do_receive_packet(hw);
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
return received;
}
int more_to_send = 0;
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
if (hw->tx_queued && hw->tx_ready) {
int priority;
struct ipw_tx_packet *packet = NULL;
}
if (!packet) {
hw->tx_queued = 0;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
return 0;
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
/* Send */
do_send_packet(hw, packet);
/* Check if more to send */
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
for (priority = 0; priority < priority_limit; priority++)
if (!list_empty(&hw->tx_queue[priority])) {
more_to_send = 1;
if (!more_to_send)
hw->tx_queued = 0;
}
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
return more_to_send;
}
struct ipw_hardware *hw = (struct ipw_hardware *) hw_;
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
if (hw->shutting_down) {
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
return;
}
* Initial setup data sent to hardware
*/
hw->to_setup = 2;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
ipw_setup_hardware(hw);
ipw_send_setup_packet(hw);
int priority_limit = get_current_packet_priority(hw);
int again;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
do {
again = send_pending_packet(hw, priority_limit);
/* Transmit complete. */
if (irqn & IR_TXINTR) {
ack |= IR_TXINTR;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->tx_ready = 1;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
/* Received data */
if (irqn & IR_RXINTR) {
ack |= IR_RXINTR;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->rx_ready++;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
if (ack != 0) {
outw(ack, hw->base_port + IOIR);
} else {
return IRQ_NONE;
}
- } else {
+ } else
return IRQ_NONE;
- }
}
/*
if (hw->serial_number_detected) {
if (memtx_serial != hw->last_memtx_serial) {
hw->last_memtx_serial = memtx_serial;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->rx_ready++;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
rx = 1;
} else
/* Ignore 'Timer Recovery' duplicates. */
printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
": memreg_tx serial num detected\n");
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->rx_ready++;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
}
rx = 1;
}
}
if (memrxdone & MEMRX_RX_DONE) {
writew(0, &hw->memory_info_regs->memreg_rx_done);
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->tx_ready = 1;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
tx = 1;
}
if (tx)
return IRQ_HANDLED;
}
-irqreturn_t ipwireless_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t ipwireless_interrupt(int irq, void *dev_id)
{
struct ipw_hardware *hw = dev_id;
int priority_limit;
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
priority_limit = get_current_packet_priority(hw);
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
while (send_pending_packet(hw, priority_limit));
}
{
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
list_add_tail(&packet->queue, &hw->tx_queue[priority]);
hw->tx_queued++;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
flush_packets_to_hw(hw);
}
{
struct ipw_tx_packet *packet;
- packet = alloc_data_packet(length,
- (unsigned char) (channel_idx + 1),
- TL_PROTOCOLID_COM_DATA);
+ packet = alloc_data_packet(length, (channel_idx + 1),
+ TL_PROTOCOLID_COM_DATA);
if (!packet)
return -ENOMEM;
packet->packet_callback = callback;
packet->callback_data = callback_data;
- memcpy((unsigned char *) packet +
- sizeof(struct ipw_tx_packet), data, length);
+ memcpy((unsigned char *) packet + sizeof(struct ipw_tx_packet), data,
+ length);
send_packet(hw, PRIO_DATA, packet);
return 0;
protocolid = TL_PROTOCOLID_SETUP;
packet = alloc_ctrl_packet(sizeof(struct ipw_control_packet),
- (unsigned char) (channel_idx + 1),
- protocolid, line);
+ (channel_idx + 1), protocolid, line);
if (!packet)
return -ENOMEM;
packet->header.length = sizeof(struct ipw_control_packet_body);
- packet->body.value = (unsigned char) (state == 0 ? 0 : 1);
+ packet->body.value = (state == 0 ? 0 : 1);
send_packet(hw, prio, &packet->header);
return 0;
}
INIT_LIST_HEAD(&hw->rx_queue);
INIT_LIST_HEAD(&hw->rx_pool);
- spin_lock_init(&hw->spinlock);
+ spin_lock_init(&hw->lock);
tasklet_init(&hw->tasklet, ipwireless_do_tasklet, (unsigned long) hw);
INIT_WORK(&hw->work_rx, ipw_receive_data_work);
setup_timer(&hw->setup_timer, ipwireless_setup_timer,
enable_irq(hw->irq);
}
hw->base_port = base_port;
- hw->hw_version = is_v2_card ? HW_VERSION_2 : HW_VERSION_1;
- hw->ll_mtu = hw->hw_version == HW_VERSION_1 ? LL_MTU_V1 : LL_MTU_V2;
+ hw->hw_version = (is_v2_card ? HW_VERSION_2 : HW_VERSION_1);
+ hw->ll_mtu = (hw->hw_version == HW_VERSION_1 ? LL_MTU_V1 : LL_MTU_V2);
hw->memregs_CCR = (struct MEMCCR __iomem *)
((unsigned short __iomem *) attr_memory + 0x200);
hw->memory_info_regs = (struct MEMINFREG __iomem *) common_memory;
if (is_card_present(hw)) {
unsigned long flags;
- spin_lock_irqsave(&hw->spinlock, flags);
+ spin_lock_irqsave(&hw->lock, flags);
hw->to_setup = 1;
hw->tx_ready = 1;
- spin_unlock_irqrestore(&hw->spinlock, flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
tasklet_schedule(&hw->tasklet);
}