static int au1k_irda_init(void)
{
static unsigned version_printed = 0;
struct au1k_private *aup;
struct net_device *dev;
int err;
if (version_printed++ == 0) printk(version);
dev = alloc_irdadev(sizeof(struct au1k_private));
if (!dev)
return -ENOMEM;
dev->irq = AU1000_IRDA_RX_INT; /* TX has its own interrupt */
err = au1k_irda_net_init(dev);
if (err)
goto out;
err = register_netdev(dev);
if (err)
goto out1;
ir_devs[0] = dev;
printk(KERN_INFO "IrDA: Registered device %s\n", dev->name);
return 0;
out1:
aup = netdev_priv(dev);
dma_free((void *)aup->db[0].vaddr,
MAX_BUF_SIZE * 2*NUM_IR_DESC);
dma_free((void *)aup->rx_ring[0],
2 * MAX_NUM_IR_DESC*(sizeof(ring_dest_t)));
kfree(aup->rx_buff.head);
out:
free_netdev(dev);
return err;
}
/*
* Function w83977af_open (iobase, irq)
*
* Open driver instance
*
*/
static int w83977af_open(int i, unsigned int iobase, unsigned int irq,
unsigned int dma)
{
struct net_device *dev;
struct w83977af_ir *self;
int err;
IRDA_DEBUG(0, "%s()\n", __func__ );
/* Lock the port that we need */
if (!request_region(iobase, CHIP_IO_EXTENT, driver_name)) {
IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
__func__ , iobase);
return -ENODEV;
}
if (w83977af_probe(iobase, irq, dma) == -1) {
err = -1;
goto err_out;
}
/*
* Allocate new instance of the driver
*/
dev = alloc_irdadev(sizeof(struct w83977af_ir));
if (dev == NULL) {
printk( KERN_ERR "IrDA: Can't allocate memory for "
"IrDA control block!\n");
err = -ENOMEM;
goto err_out;
}
self = netdev_priv(dev);
spin_lock_init(&self->lock);
/* Initialize IO */
self->io.fir_base = iobase;
self->io.irq = irq;
self->io.fir_ext = CHIP_IO_EXTENT;
self->io.dma = dma;
self->io.fifo_size = 32;
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&self->qos);
/* The only value we must override it the baudrate */
/* FIXME: The HP HDLS-1100 does not support 1152000! */
self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8);
/* The HP HDLS-1100 needs 1 ms according to the specs */
self->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&self->qos);
/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
self->rx_buff.truesize = 14384;
self->tx_buff.truesize = 4000;
/* Allocate memory if needed */
self->rx_buff.head =
dma_alloc_coherent(NULL, self->rx_buff.truesize,
&self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto err_out1;
}
memset(self->rx_buff.head, 0, self->rx_buff.truesize);
self->tx_buff.head =
dma_alloc_coherent(NULL, self->tx_buff.truesize,
&self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto err_out2;
}
memset(self->tx_buff.head, 0, self->tx_buff.truesize);
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
self->tx_buff.data = self->tx_buff.head;
self->rx_buff.data = self->rx_buff.head;
self->netdev = dev;
dev->netdev_ops = &w83977_netdev_ops;
err = register_netdev(dev);
if (err) {
IRDA_ERROR("%s(), register_netdevice() failed!\n", __func__);
goto err_out3;
}
IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);
/* Need to store self somewhere */
dev_self[i] = self;
return 0;
err_out3:
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
err_out2:
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
err_out1:
free_netdev(dev);
err_out:
release_region(iobase, CHIP_IO_EXTENT);
return err;
}
static int pxa_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct pxa_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -ENODEV;
err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
dev = alloc_irdadev(sizeof(struct pxa_irda));
if (!dev)
goto err_mem_3;
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
goto err_mem_4;
}
/*
* Initialise the SIR buffers
*/
err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_4;
err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
if (si->pdata->startup)
err = si->pdata->startup(si->dev);
if (err)
goto err_startup;
dev->hard_start_xmit = pxa_irda_hard_xmit;
dev->open = pxa_irda_start;
dev->stop = pxa_irda_stop;
dev->do_ioctl = pxa_irda_ioctl;
dev->get_stats = pxa_irda_stats;
irda_init_max_qos_capabilies(&si->qos);
baudrate_mask = 0;
if (si->pdata->transceiver_cap & IR_SIRMODE)
baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
if (si->pdata->transceiver_cap & IR_FIRMODE)
baudrate_mask |= IR_4000000 << 8;
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7; /* 1ms or more */
irda_qos_bits_to_value(&si->qos);
err = register_netdev(dev);
if (err == 0)
dev_set_drvdata(&pdev->dev, dev);
if (err) {
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
err_startup:
kfree(si->tx_buff.head);
err_mem_5:
kfree(si->rx_buff.head);
err_mem_4:
if (si->sir_clk && !IS_ERR(si->sir_clk))
clk_put(si->sir_clk);
if (si->fir_clk && !IS_ERR(si->fir_clk))
clk_put(si->fir_clk);
free_netdev(dev);
err_mem_3:
release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
release_mem_region(__PREG(STUART), 0x24);
}
err_mem_1:
return err;
}
/*
* This routine is called by the USB subsystem for each new device
* in the system. We need to check if the device is ours, and in
* this case start handling it.
*/
static int kingsun_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_device *dev = interface_to_usbdev(intf);
struct kingsun_cb *kingsun = NULL;
struct net_device *net = NULL;
int ret = -ENOMEM;
int pipe, maxp_in, maxp_out;
__u8 ep_in;
__u8 ep_out;
/* Check that there really are two interrupt endpoints.
Check based on the one in drivers/usb/input/usbmouse.c
*/
interface = intf->cur_altsetting;
if (interface->desc.bNumEndpoints != 2) {
dev_err(&intf->dev,
"kingsun-sir: expected 2 endpoints, found %d\n",
interface->desc.bNumEndpoints);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
if (!usb_endpoint_is_int_in(endpoint)) {
dev_err(&intf->dev,
"kingsun-sir: endpoint 0 is not interrupt IN\n");
return -ENODEV;
}
ep_in = endpoint->bEndpointAddress;
pipe = usb_rcvintpipe(dev, ep_in);
maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
if (maxp_in > 255 || maxp_in <= 1) {
dev_err(&intf->dev,
"endpoint 0 has max packet size %d not in range\n",
maxp_in);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
if (!usb_endpoint_is_int_out(endpoint)) {
dev_err(&intf->dev,
"kingsun-sir: endpoint 1 is not interrupt OUT\n");
return -ENODEV;
}
ep_out = endpoint->bEndpointAddress;
pipe = usb_sndintpipe(dev, ep_out);
maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
/* Allocate network device container. */
net = alloc_irdadev(sizeof(*kingsun));
if(!net)
goto err_out1;
SET_NETDEV_DEV(net, &intf->dev);
kingsun = netdev_priv(net);
kingsun->irlap = NULL;
kingsun->tx_urb = NULL;
kingsun->rx_urb = NULL;
kingsun->ep_in = ep_in;
kingsun->ep_out = ep_out;
kingsun->in_buf = NULL;
kingsun->out_buf = NULL;
kingsun->max_rx = (__u8)maxp_in;
kingsun->max_tx = (__u8)maxp_out;
kingsun->netdev = net;
kingsun->usbdev = dev;
kingsun->rx_buff.in_frame = FALSE;
kingsun->rx_buff.state = OUTSIDE_FRAME;
kingsun->rx_buff.skb = NULL;
kingsun->receiving = 0;
spin_lock_init(&kingsun->lock);
/* Allocate input buffer */
kingsun->in_buf = kmalloc(kingsun->max_rx, GFP_KERNEL);
if (!kingsun->in_buf)
goto free_mem;
/* Allocate output buffer */
kingsun->out_buf = kmalloc(KINGSUN_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->out_buf)
goto free_mem;
printk(KERN_INFO "KingSun/DonShine IRDA/USB found at address %d, "
"Vendor: %x, Product: %x\n",
dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&kingsun->qos);
/* That's the Rx capability. */
kingsun->qos.baud_rate.bits &= IR_9600;
kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
irda_qos_bits_to_value(&kingsun->qos);
/* Override the network functions we need to use */
net->netdev_ops = &kingsun_ops;
ret = register_netdev(net);
if (ret != 0)
goto free_mem;
dev_info(&net->dev, "IrDA: Registered KingSun/DonShine device %s\n",
net->name);
usb_set_intfdata(intf, kingsun);
/* Situation at this point:
- all work buffers allocated
- urbs not allocated, set to NULL
- max rx packet known (in max_rx)
- unwrap state machine (partially) initialized, but skb == NULL
*/
return 0;
free_mem:
kfree(kingsun->out_buf);
kfree(kingsun->in_buf);
free_netdev(net);
err_out1:
return ret;
}
static int __devinit bfin_sir_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct bfin_sir_self *self;
unsigned int baudrate_mask;
struct bfin_sir_port *sir_port;
int err;
if (pdev->id >= 0 && pdev->id < ARRAY_SIZE(per) && \
per[pdev->id][3] == pdev->id) {
err = peripheral_request_list(per[pdev->id], DRIVER_NAME);
if (err)
return err;
} else {
dev_err(&pdev->dev, "Invalid pdev id, please check board file\n");
return -ENODEV;
}
err = -ENOMEM;
sir_port = kmalloc(sizeof(*sir_port), GFP_KERNEL);
if (!sir_port)
goto err_mem_0;
bfin_sir_init_ports(sir_port, pdev);
dev = alloc_irdadev(sizeof(*self));
if (!dev)
goto err_mem_1;
self = netdev_priv(dev);
self->dev = &pdev->dev;
self->sir_port = sir_port;
sir_port->dev = dev;
err = bfin_sir_init_iobuf(&self->rx_buff, IRDA_SKB_MAX_MTU);
if (err)
goto err_mem_2;
err = bfin_sir_init_iobuf(&self->tx_buff, IRDA_SIR_MAX_FRAME);
if (err)
goto err_mem_3;
dev->netdev_ops = &bfin_sir_ndo;
dev->irq = sir_port->irq;
irda_init_max_qos_capabilies(&self->qos);
baudrate_mask = IR_9600;
switch (max_rate) {
case 115200:
baudrate_mask |= IR_115200;
case 57600:
baudrate_mask |= IR_57600;
case 38400:
baudrate_mask |= IR_38400;
case 19200:
baudrate_mask |= IR_19200;
case 9600:
break;
default:
dev_warn(&pdev->dev, "Invalid maximum baud rate, using 9600\n");
}
self->qos.baud_rate.bits &= baudrate_mask;
self->qos.min_turn_time.bits = 1; /* 10 ms or more */
irda_qos_bits_to_value(&self->qos);
err = register_netdev(dev);
if (err) {
kfree(self->tx_buff.head);
err_mem_3:
kfree(self->rx_buff.head);
err_mem_2:
free_netdev(dev);
err_mem_1:
kfree(sir_port);
err_mem_0:
peripheral_free_list(per[pdev->id]);
} else
platform_set_drvdata(pdev, sir_port);
return err;
}
struct irport_cb *
irport_open(int i, unsigned int iobase, unsigned int irq)
{
struct net_device *dev;
struct irport_cb *self;
IRDA_DEBUG(1, "%s()\n", __FUNCTION__);
/* Lock the port that we need */
if (!request_region(iobase, IO_EXTENT, driver_name)) {
IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
__FUNCTION__, iobase);
goto err_out1;
}
/*
* Allocate new instance of the driver
*/
dev = alloc_irdadev(sizeof(struct irport_cb));
if (!dev) {
ERROR("%s(), can't allocate memory for "
"irda device!\n", __FUNCTION__);
goto err_out2;
}
self = dev->priv;
spin_lock_init(&self->lock);
/* Need to store self somewhere */
dev_self[i] = self;
self->priv = self;
self->index = i;
/* Initialize IO */
self->io.sir_base = iobase;
self->io.sir_ext = IO_EXTENT;
self->io.irq = irq;
self->io.fifo_size = 16; /* 16550A and compatible */
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&self->qos);
self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200;
self->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&self->qos);
/* Bootstrap ZeroCopy Rx */
self->rx_buff.truesize = IRDA_SKB_MAX_MTU;
self->rx_buff.skb = __dev_alloc_skb(self->rx_buff.truesize,
GFP_KERNEL);
if (self->rx_buff.skb == NULL) {
ERROR("%s(), can't allocate memory for "
"receive buffer!\n", __FUNCTION__);
goto err_out3;
}
skb_reserve(self->rx_buff.skb, 1);
self->rx_buff.head = self->rx_buff.skb->data;
/* No need to memset the buffer, unless you are really pedantic */
/* Finish setup the Rx buffer descriptor */
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
self->rx_buff.data = self->rx_buff.head;
/* Specify how much memory we want */
self->tx_buff.truesize = 4000;
/* Allocate memory if needed */
if (self->tx_buff.truesize > 0) {
self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize,
GFP_KERNEL);
if (self->tx_buff.head == NULL) {
ERROR("%s(), can't allocate memory for "
"transmit buffer!\n", __FUNCTION__);
goto err_out4;
}
memset(self->tx_buff.head, 0, self->tx_buff.truesize);
}
self->tx_buff.data = self->tx_buff.head;
self->netdev = dev;
/* Keep track of module usage */
SET_MODULE_OWNER(dev);
/* May be overridden by piggyback drivers */
self->interrupt = irport_interrupt;
self->change_speed = irport_change_speed;
/* Override the network functions we need to use */
dev->hard_start_xmit = irport_hard_xmit;
dev->tx_timeout = irport_timeout;
dev->watchdog_timeo = HZ; /* Allow time enough for speed change */
dev->open = irport_net_open;
dev->stop = irport_net_close;
dev->get_stats = irport_net_get_stats;
dev->do_ioctl = irport_net_ioctl;
/* Make ifconfig display some details */
dev->base_addr = iobase;
dev->irq = irq;
if (register_netdev(dev)) {
ERROR("%s(), register_netdev() failed!\n", __FUNCTION__);
goto err_out5;
}
MESSAGE("IrDA: Registered device %s (irport io=0x%X irq=%d)\n",
dev->name, iobase, irq);
return self;
err_out5:
kfree(self->tx_buff.head);
err_out4:
kfree_skb(self->rx_buff.skb);
err_out3:
free_netdev(dev);
dev_self[i] = NULL;
err_out2:
release_region(iobase, IO_EXTENT);
err_out1:
return NULL;
}
static int sa1100_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct sa1100_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -EINVAL;
err = request_mem_region(__PREG(Ser2UTCR0), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(Ser2HSCR0), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
err = request_mem_region(__PREG(Ser2HSCR2), 0x04, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_3;
dev = alloc_irdadev(sizeof(struct sa1100_irda));
if (!dev)
goto err_mem_4;
si = dev->priv;
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
/*
* Initialise the HP-SIR buffers
*/
err = sa1100_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_5;
err = sa1100_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
dev->hard_start_xmit = sa1100_irda_hard_xmit;
dev->open = sa1100_irda_start;
dev->stop = sa1100_irda_stop;
dev->do_ioctl = sa1100_irda_ioctl;
dev->get_stats = sa1100_irda_stats;
dev->irq = IRQ_Ser2ICP;
irda_init_max_qos_capabilies(&si->qos);
/*
* We support original IRDA up to 115k2. (we don't currently
* support 4Mbps). Min Turn Time set to 1ms or greater.
*/
baudrate_mask = IR_9600;
switch (max_rate) {
case 4000000: baudrate_mask |= IR_4000000 << 8;
case 115200: baudrate_mask |= IR_115200;
case 57600: baudrate_mask |= IR_57600;
case 38400: baudrate_mask |= IR_38400;
case 19200: baudrate_mask |= IR_19200;
}
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7;
irda_qos_bits_to_value(&si->qos);
si->utcr4 = UTCR4_HPSIR;
if (tx_lpm)
si->utcr4 |= UTCR4_Z1_6us;
/*
* Initially enable HP-SIR modulation, and ensure that the port
* is disabled.
*/
Ser2UTCR3 = 0;
Ser2UTCR4 = si->utcr4;
Ser2HSCR0 = HSCR0_UART;
err = register_netdev(dev);
if (err == 0)
platform_set_drvdata(pdev, dev);
if (err) {
err_mem_5:
kfree(si->tx_buff.head);
kfree(si->rx_buff.head);
free_netdev(dev);
err_mem_4:
release_mem_region(__PREG(Ser2HSCR2), 0x04);
err_mem_3:
release_mem_region(__PREG(Ser2HSCR0), 0x1c);
err_mem_2:
release_mem_region(__PREG(Ser2UTCR0), 0x24);
}
err_mem_1:
return err;
}
/*
* This routine is called by the USB subsystem for each new device
* in the system. We need to check if the device is ours, and in
* this case start handling it.
*/
static int ksdazzle_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_device *dev = interface_to_usbdev(intf);
struct ksdazzle_cb *kingsun = NULL;
struct net_device *net = NULL;
int ret = -ENOMEM;
int pipe, maxp_in, maxp_out;
__u8 ep_in;
__u8 ep_out;
/* Check that there really are two interrupt endpoints. Check based on the
one in drivers/usb/input/usbmouse.c
*/
interface = intf->cur_altsetting;
if (interface->desc.bNumEndpoints != 2) {
err("ksdazzle: expected 2 endpoints, found %d",
interface->desc.bNumEndpoints);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
if (!usb_endpoint_is_int_in(endpoint)) {
err("ksdazzle: endpoint 0 is not interrupt IN");
return -ENODEV;
}
ep_in = endpoint->bEndpointAddress;
pipe = usb_rcvintpipe(dev, ep_in);
maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
if (maxp_in > 255 || maxp_in <= 1) {
err("ksdazzle: endpoint 0 has max packet size %d not in range [2..255]", maxp_in);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
if (!usb_endpoint_is_int_out(endpoint)) {
err("ksdazzle: endpoint 1 is not interrupt OUT");
return -ENODEV;
}
ep_out = endpoint->bEndpointAddress;
pipe = usb_sndintpipe(dev, ep_out);
maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
/* Allocate network device container. */
net = alloc_irdadev(sizeof(*kingsun));
if (!net)
goto err_out1;
SET_NETDEV_DEV(net, &intf->dev);
kingsun = netdev_priv(net);
kingsun->netdev = net;
kingsun->usbdev = dev;
kingsun->ep_in = ep_in;
kingsun->ep_out = ep_out;
kingsun->irlap = NULL;
kingsun->tx_urb = NULL;
kingsun->tx_buf_clear = NULL;
kingsun->tx_buf_clear_used = 0;
kingsun->tx_buf_clear_sent = 0;
kingsun->rx_urb = NULL;
kingsun->rx_buf = NULL;
kingsun->rx_unwrap_buff.in_frame = FALSE;
kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;
kingsun->rx_unwrap_buff.skb = NULL;
kingsun->receiving = 0;
spin_lock_init(&kingsun->lock);
kingsun->speed_setuprequest = NULL;
kingsun->speed_urb = NULL;
kingsun->speedparams.baudrate = 0;
/* Allocate input buffer */
kingsun->rx_buf = kmalloc(KINGSUN_RCV_MAX, GFP_KERNEL);
if (!kingsun->rx_buf)
goto free_mem;
/* Allocate output buffer */
kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->tx_buf_clear)
goto free_mem;
/* Allocate and initialize speed setup packet */
kingsun->speed_setuprequest =
kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
if (!kingsun->speed_setuprequest)
goto free_mem;
kingsun->speed_setuprequest->bRequestType =
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
kingsun->speed_setuprequest->bRequest = KINGSUN_REQ_SEND;
kingsun->speed_setuprequest->wValue = cpu_to_le16(0x0200);
kingsun->speed_setuprequest->wIndex = cpu_to_le16(0x0001);
kingsun->speed_setuprequest->wLength =
cpu_to_le16(sizeof(struct ksdazzle_speedparams));
printk(KERN_INFO "KingSun/Dazzle IRDA/USB found at address %d, "
"Vendor: %x, Product: %x\n",
dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&kingsun->qos);
/* Baud rates known to be supported. Please uncomment if devices (other
than a SonyEriccson K300 phone) can be shown to support higher speeds
with this dongle.
*/
kingsun->qos.baud_rate.bits =
IR_2400 | IR_9600 | IR_19200 | IR_38400 | IR_57600 | IR_115200;
kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
irda_qos_bits_to_value(&kingsun->qos);
/* Override the network functions we need to use */
net->netdev_ops = &ksdazzle_ops;
ret = register_netdev(net);
if (ret != 0)
goto free_mem;
dev_info(&net->dev, "IrDA: Registered KingSun/Dazzle device %s\n",
net->name);
usb_set_intfdata(intf, kingsun);
/* Situation at this point:
- all work buffers allocated
- setup requests pre-filled
- urbs not allocated, set to NULL
- max rx packet known (is KINGSUN_FIFO_SIZE)
- unwrap state machine (partially) initialized, but skb == NULL
*/
return 0;
free_mem:
kfree(kingsun->speed_setuprequest);
kfree(kingsun->tx_buf_clear);
kfree(kingsun->rx_buf);
free_netdev(net);
err_out1:
return ret;
}
/*
* This routine is called by the USB subsystem for each new device
* in the system. We need to check if the device is ours, and in
* this case start handling it.
*/
static int ks959_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(intf);
struct ks959_cb *kingsun = NULL;
struct net_device *net = NULL;
int ret = -ENOMEM;
/* Allocate network device container. */
net = alloc_irdadev(sizeof(*kingsun));
if (!net)
goto err_out1;
SET_NETDEV_DEV(net, &intf->dev);
kingsun = netdev_priv(net);
kingsun->netdev = net;
kingsun->usbdev = dev;
kingsun->irlap = NULL;
kingsun->tx_setuprequest = NULL;
kingsun->tx_urb = NULL;
kingsun->tx_buf_clear = NULL;
kingsun->tx_buf_xored = NULL;
kingsun->tx_buf_clear_used = 0;
kingsun->tx_buf_clear_sent = 0;
kingsun->rx_setuprequest = NULL;
kingsun->rx_urb = NULL;
kingsun->rx_buf = NULL;
kingsun->rx_variable_xormask = 0;
kingsun->rx_unwrap_buff.in_frame = FALSE;
kingsun->rx_unwrap_buff.state = OUTSIDE_FRAME;
kingsun->rx_unwrap_buff.skb = NULL;
kingsun->receiving = 0;
spin_lock_init(&kingsun->lock);
kingsun->speed_setuprequest = NULL;
kingsun->speed_urb = NULL;
kingsun->speedparams.baudrate = 0;
/* Allocate input buffer */
kingsun->rx_buf = kmalloc(KINGSUN_RCV_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->rx_buf)
goto free_mem;
/* Allocate input setup packet */
kingsun->rx_setuprequest =
kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
if (!kingsun->rx_setuprequest)
goto free_mem;
kingsun->rx_setuprequest->bRequestType =
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
kingsun->rx_setuprequest->bRequest = KINGSUN_REQ_RECV;
kingsun->rx_setuprequest->wValue = cpu_to_le16(0x0200);
kingsun->rx_setuprequest->wIndex = 0;
kingsun->rx_setuprequest->wLength = cpu_to_le16(KINGSUN_RCV_FIFO_SIZE);
/* Allocate output buffer */
kingsun->tx_buf_clear = kmalloc(KINGSUN_SND_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->tx_buf_clear)
goto free_mem;
kingsun->tx_buf_xored = kmalloc(KINGSUN_SND_PACKET_SIZE, GFP_KERNEL);
if (!kingsun->tx_buf_xored)
goto free_mem;
/* Allocate and initialize output setup packet */
kingsun->tx_setuprequest =
kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
if (!kingsun->tx_setuprequest)
goto free_mem;
kingsun->tx_setuprequest->bRequestType =
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
kingsun->tx_setuprequest->bRequest = KINGSUN_REQ_SEND;
kingsun->tx_setuprequest->wValue = 0;
kingsun->tx_setuprequest->wIndex = 0;
kingsun->tx_setuprequest->wLength = 0;
/* Allocate and initialize speed setup packet */
kingsun->speed_setuprequest =
kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
if (!kingsun->speed_setuprequest)
goto free_mem;
kingsun->speed_setuprequest->bRequestType =
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
kingsun->speed_setuprequest->bRequest = KINGSUN_REQ_SEND;
kingsun->speed_setuprequest->wValue = cpu_to_le16(0x0200);
kingsun->speed_setuprequest->wIndex = cpu_to_le16(0x0001);
kingsun->speed_setuprequest->wLength =
cpu_to_le16(sizeof(struct ks959_speedparams));
// printk(KERN_INFO "KingSun KS-959 IRDA/USB found at address %d, "
// "Vendor: %x, Product: %x\n",
// dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
;
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&kingsun->qos);
/* Baud rates known to be supported. Please uncomment if devices (other
than a SonyEriccson K300 phone) can be shown to support higher speed
with this dongle.
*/
kingsun->qos.baud_rate.bits =
IR_2400 | IR_9600 | IR_19200 | IR_38400 | IR_57600;
kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
irda_qos_bits_to_value(&kingsun->qos);
/* Override the network functions we need to use */
net->netdev_ops = &ks959_ops;
ret = register_netdev(net);
if (ret != 0)
goto free_mem;
dev_info(&net->dev, "IrDA: Registered KingSun KS-959 device %s\n",
net->name);
usb_set_intfdata(intf, kingsun);
/* Situation at this point:
- all work buffers allocated
- setup requests pre-filled
- urbs not allocated, set to NULL
- max rx packet known (is KINGSUN_FIFO_SIZE)
- unwrap state machine (partially) initialized, but skb == NULL
*/
return 0;
free_mem:
kfree(kingsun->speed_setuprequest);
kfree(kingsun->tx_setuprequest);
kfree(kingsun->tx_buf_xored);
kfree(kingsun->tx_buf_clear);
kfree(kingsun->rx_setuprequest);
kfree(kingsun->rx_buf);
free_netdev(net);
err_out1:
return ret;
}
/*
* Function ali_ircc_open (int i, chipio_t *inf)
*
* Open driver instance
*
*/
static int ali_ircc_open(int i, chipio_t *info)
{
struct net_device *dev;
struct ali_ircc_cb *self;
int dongle_id;
int err;
if (i >= ARRAY_SIZE(dev_self)) {
net_err_ratelimited("%s(), maximum number of supported chips reached!\n",
__func__);
return -ENOMEM;
}
/* Set FIR FIFO and DMA Threshold */
if ((ali_ircc_setup(info)) == -1)
return -1;
dev = alloc_irdadev(sizeof(*self));
if (dev == NULL) {
net_err_ratelimited("%s(), can't allocate memory for control block!\n",
__func__);
return -ENOMEM;
}
self = netdev_priv(dev);
self->netdev = dev;
spin_lock_init(&self->lock);
/* Need to store self somewhere */
dev_self[i] = self;
self->index = i;
/* Initialize IO */
self->io.cfg_base = info->cfg_base; /* In ali_ircc_probe_53 assign */
self->io.fir_base = info->fir_base; /* info->sir_base = info->fir_base */
self->io.sir_base = info->sir_base; /* ALi SIR and FIR use the same address */
self->io.irq = info->irq;
self->io.fir_ext = CHIP_IO_EXTENT;
self->io.dma = info->dma;
self->io.fifo_size = 16; /* SIR: 16, FIR: 32 Benjamin 2000/11/1 */
/* Reserve the ioports that we need */
if (!request_region(self->io.fir_base, self->io.fir_ext,
ALI_IRCC_DRIVER_NAME)) {
net_warn_ratelimited("%s(), can't get iobase of 0x%03x\n",
__func__, self->io.fir_base);
err = -ENODEV;
goto err_out1;
}
/* Initialize QoS for this device */
irda_init_max_qos_capabilies(&self->qos);
/* The only value we must override it the baudrate */
self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8); // benjamin 2000/11/8 05:27PM
self->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&self->qos);
/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
self->rx_buff.truesize = 14384;
self->tx_buff.truesize = 14384;
/* Allocate memory if needed */
self->rx_buff.head =
dma_zalloc_coherent(NULL, self->rx_buff.truesize,
&self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto err_out2;
}
self->tx_buff.head =
dma_zalloc_coherent(NULL, self->tx_buff.truesize,
&self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto err_out3;
}
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
self->tx_buff.data = self->tx_buff.head;
self->rx_buff.data = self->rx_buff.head;
/* Reset Tx queue info */
self->tx_fifo.len = self->tx_fifo.ptr = self->tx_fifo.free = 0;
self->tx_fifo.tail = self->tx_buff.head;
/* Override the network functions we need to use */
dev->netdev_ops = &ali_ircc_sir_ops;
err = register_netdev(dev);
if (err) {
net_err_ratelimited("%s(), register_netdev() failed!\n",
__func__);
goto err_out4;
}
net_info_ratelimited("IrDA: Registered device %s\n", dev->name);
/* Check dongle id */
dongle_id = ali_ircc_read_dongle_id(i, info);
net_info_ratelimited("%s(), %s, Found dongle: %s\n",
__func__, ALI_IRCC_DRIVER_NAME,
dongle_types[dongle_id]);
self->io.dongle_id = dongle_id;
return 0;
err_out4:
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
err_out3:
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
err_out2:
release_region(self->io.fir_base, self->io.fir_ext);
err_out1:
dev_self[i] = NULL;
free_netdev(dev);
return err;
}
static int w83977af_open(int i, unsigned int iobase, unsigned int irq,
unsigned int dma)
{
struct net_device *dev;
struct w83977af_ir *self;
int err;
IRDA_DEBUG(0, "%s()\n", __func__ );
if (!request_region(iobase, CHIP_IO_EXTENT, driver_name)) {
IRDA_DEBUG(0, "%s(), can't get iobase of 0x%03x\n",
__func__ , iobase);
return -ENODEV;
}
if (w83977af_probe(iobase, irq, dma) == -1) {
err = -1;
goto err_out;
}
dev = alloc_irdadev(sizeof(struct w83977af_ir));
if (dev == NULL) {
printk( KERN_ERR "IrDA: Can't allocate memory for "
"IrDA control block!\n");
err = -ENOMEM;
goto err_out;
}
self = netdev_priv(dev);
spin_lock_init(&self->lock);
self->io.fir_base = iobase;
self->io.irq = irq;
self->io.fir_ext = CHIP_IO_EXTENT;
self->io.dma = dma;
self->io.fifo_size = 32;
irda_init_max_qos_capabilies(&self->qos);
self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8);
self->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&self->qos);
self->rx_buff.truesize = 14384;
self->tx_buff.truesize = 4000;
self->rx_buff.head =
dma_alloc_coherent(NULL, self->rx_buff.truesize,
&self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto err_out1;
}
memset(self->rx_buff.head, 0, self->rx_buff.truesize);
self->tx_buff.head =
dma_alloc_coherent(NULL, self->tx_buff.truesize,
&self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto err_out2;
}
memset(self->tx_buff.head, 0, self->tx_buff.truesize);
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
self->tx_buff.data = self->tx_buff.head;
self->rx_buff.data = self->rx_buff.head;
self->netdev = dev;
dev->netdev_ops = &w83977_netdev_ops;
err = register_netdev(dev);
if (err) {
IRDA_ERROR("%s(), register_netdevice() failed!\n", __func__);
goto err_out3;
}
IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);
dev_self[i] = self;
return 0;
err_out3:
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
err_out2:
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
err_out1:
free_netdev(dev);
err_out:
release_region(iobase, CHIP_IO_EXTENT);
return err;
}
static int pxa_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct pxa_irda *si;
unsigned int baudrate_mask;
int err;
if (!pdev->dev.platform_data)
return -ENODEV;
err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_1;
err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
if (err)
goto err_mem_2;
dev = alloc_irdadev(sizeof(struct pxa_irda));
if (!dev)
goto err_mem_3;
SET_NETDEV_DEV(dev, &pdev->dev);
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->pdata = pdev->dev.platform_data;
si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
goto err_mem_4;
}
/*
* Initialise the SIR buffers
*/
err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto err_mem_4;
err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto err_mem_5;
if (gpio_is_valid(si->pdata->gpio_pwdown)) {
err = gpio_request(si->pdata->gpio_pwdown, "IrDA switch");
if (err)
goto err_startup;
err = gpio_direction_output(si->pdata->gpio_pwdown,
!si->pdata->gpio_pwdown_inverted);
if (err) {
gpio_free(si->pdata->gpio_pwdown);
goto err_startup;
}
}
if (si->pdata->startup) {
err = si->pdata->startup(si->dev);
if (err)
goto err_startup;
}
if (gpio_is_valid(si->pdata->gpio_pwdown) && si->pdata->startup)
dev_warn(si->dev, "gpio_pwdown and startup() both defined!\n");
dev->netdev_ops = &pxa_irda_netdev_ops;
irda_init_max_qos_capabilies(&si->qos);
baudrate_mask = 0;
if (si->pdata->transceiver_cap & IR_SIRMODE)
baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
if (si->pdata->transceiver_cap & IR_FIRMODE)
baudrate_mask |= IR_4000000 << 8;
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7; /* 1ms or more */
irda_qos_bits_to_value(&si->qos);
err = register_netdev(dev);
if (err == 0)
dev_set_drvdata(&pdev->dev, dev);
if (err) {
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
err_startup:
kfree(si->tx_buff.head);
err_mem_5:
kfree(si->rx_buff.head);
err_mem_4:
if (si->sir_clk && !IS_ERR(si->sir_clk))
clk_put(si->sir_clk);
if (si->fir_clk && !IS_ERR(si->fir_clk))
clk_put(si->fir_clk);
free_netdev(dev);
err_mem_3:
release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
release_mem_region(__PREG(STUART), 0x24);
}
err_mem_1:
return err;
}
static int __init nsc_ircc_open(chipio_t *info)
{
struct net_device *dev;
struct nsc_ircc_cb *self;
void *ret;
int err, chip_index;
IRDA_DEBUG(2, "%s()\n", __func__);
for (chip_index = 0; chip_index < ARRAY_SIZE(dev_self); chip_index++) {
if (!dev_self[chip_index])
break;
}
if (chip_index == ARRAY_SIZE(dev_self)) {
IRDA_ERROR("%s(), maximum number of supported chips reached!\n", __func__);
return -ENOMEM;
}
IRDA_MESSAGE("%s, Found chip at base=0x%03x\n", driver_name,
info->cfg_base);
if ((nsc_ircc_setup(info)) == -1)
return -1;
IRDA_MESSAGE("%s, driver loaded (Dag Brattli)\n", driver_name);
dev = alloc_irdadev(sizeof(struct nsc_ircc_cb));
if (dev == NULL) {
IRDA_ERROR("%s(), can't allocate memory for "
"control block!\n", __func__);
return -ENOMEM;
}
self = netdev_priv(dev);
self->netdev = dev;
spin_lock_init(&self->lock);
dev_self[chip_index] = self;
self->index = chip_index;
self->io.cfg_base = info->cfg_base;
self->io.fir_base = info->fir_base;
self->io.irq = info->irq;
self->io.fir_ext = CHIP_IO_EXTENT;
self->io.dma = info->dma;
self->io.fifo_size = 32;
ret = request_region(self->io.fir_base, self->io.fir_ext, driver_name);
if (!ret) {
IRDA_WARNING("%s(), can't get iobase of 0x%03x\n",
__func__, self->io.fir_base);
err = -ENODEV;
goto out1;
}
irda_init_max_qos_capabilies(&self->qos);
self->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000|IR_1152000 |(IR_4000000 << 8);
self->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&self->qos);
self->rx_buff.truesize = 14384;
self->tx_buff.truesize = 14384;
self->rx_buff.head =
dma_alloc_coherent(NULL, self->rx_buff.truesize,
&self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto out2;
}
memset(self->rx_buff.head, 0, self->rx_buff.truesize);
self->tx_buff.head =
dma_alloc_coherent(NULL, self->tx_buff.truesize,
&self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto out3;
}
memset(self->tx_buff.head, 0, self->tx_buff.truesize);
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
self->tx_buff.data = self->tx_buff.head;
self->rx_buff.data = self->rx_buff.head;
self->tx_fifo.len = self->tx_fifo.ptr = self->tx_fifo.free = 0;
self->tx_fifo.tail = self->tx_buff.head;
dev->netdev_ops = &nsc_ircc_sir_ops;
err = register_netdev(dev);
if (err) {
IRDA_ERROR("%s(), register_netdev() failed!\n", __func__);
goto out4;
}
IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);
if ((dongle_id <= 0) ||
(dongle_id >= ARRAY_SIZE(dongle_types))) {
dongle_id = nsc_ircc_read_dongle_id(self->io.fir_base);
IRDA_MESSAGE("%s, Found dongle: %s\n", driver_name,
dongle_types[dongle_id]);
} else {
IRDA_MESSAGE("%s, Using dongle: %s\n", driver_name,
dongle_types[dongle_id]);
}
self->io.dongle_id = dongle_id;
nsc_ircc_init_dongle_interface(self->io.fir_base, dongle_id);
self->pldev = platform_device_register_simple(NSC_IRCC_DRIVER_NAME,
self->index, NULL, 0);
if (IS_ERR(self->pldev)) {
err = PTR_ERR(self->pldev);
goto out5;
}
platform_set_drvdata(self->pldev, self);
return chip_index;
out5:
unregister_netdev(dev);
out4:
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
out3:
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
out2:
release_region(self->io.fir_base, self->io.fir_ext);
out1:
free_netdev(dev);
dev_self[chip_index] = NULL;
return err;
}
/*
* This function is called during the driver binding process.
* This function requests for memory, initializes net_device structure and
* registers with kernel.
*
* @param pdev the device structure used to store device specific
* information that is used by the suspend, resume and remove
* functions
*
* @return The function returns 0 on success and a non-zero value on failure
*/
static int mxc_irda_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct mxc_irda *si;
struct resource *uart_res;
unsigned int baudrate_mask;
int uart_irq;
int err;
uart_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
uart_irq = platform_get_irq(pdev, 0);
if (!uart_res || uart_irq == NO_IRQ) {
dev_err(&pdev->dev, "Unable to find resources\n");
return -ENXIO;
}
if (!request_mem_region(uart_res->start,
uart_res->end - uart_res->start +1,
pdev->name)) {
dev_err(&pdev->dev, "Unable to request resource\n");
return -ENOMEM;
}
mxcirda_debug("UART base: %x, IRQ: %d", uart_res->start, uart_irq);
dev = alloc_irdadev(sizeof(struct mxc_irda));
if (!dev) {
dev_err(&pdev->dev, "Failed to request memory region\n");
err = -ENOMEM;
goto err_mem_1;
}
si = netdev_priv(dev);
si->dev = &pdev->dev;
si->uart_res = uart_res;
si->uart_irq = uart_irq;
si->uart_base = (void *)IO_ADDRESS(uart_res->start);
if (!(si->uart_base)) {
dev_err(&pdev->dev, "Failed to remap memory region\n");
err = -ENOMEM;
goto err_mem_2;
}
/*
* Initialise the SIR buffers
*/
err = mxc_irda_init_iobuf(&si->rx_buff, UART_BUFF_SIZE);
if (err) {
dev_err(&pdev->dev, "Failed to request memory for rx buffer\n");
goto err_mem_2;
}
err = mxc_irda_init_iobuf(&si->tx_buff, UART_BUFF_SIZE);
if (err) {
dev_err(&pdev->dev, "Failed to request memory for tx buffer\n");
goto err_mem_3;
}
dev->hard_start_xmit = mxc_irda_hard_xmit;
dev->open = mxc_irda_start;
dev->stop = mxc_irda_stop;
dev->do_ioctl = mxc_irda_ioctl;
dev->get_stats = mxc_irda_stats;
dev->irq = uart_irq;
irda_init_max_qos_capabilies(&si->qos);
/*
* We support
* SIR(9600, 19200,38400, 57600 and 115200 bps)
* Min Turn Time set to 1ms or greater.
*/
baudrate_mask = IR_9600;
switch (max_rate) {
case 4000000: baudrate_mask |= IR_4000000 << 8;
case 1152000: baudrate_mask |= IR_1152000;
case 576000: baudrate_mask |= IR_576000;
case 115200: baudrate_mask |= IR_115200;
case 57600: baudrate_mask |= IR_57600;
case 38400: baudrate_mask |= IR_38400;
case 19200: baudrate_mask |= IR_19200;
}
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 0x7;
irda_qos_bits_to_value(&si->qos);
err = register_netdev(dev);
if (err == 0) {
printk("%s: is found on a MXC IrDA\n", dev->name);
platform_set_drvdata(pdev, dev);
} else {
kfree(si->tx_buff.head);
err_mem_3:
kfree(si->rx_buff.head);
err_mem_2:
free_netdev(dev);
err_mem_1:
release_mem_region(uart_res->start,
uart_res->end - uart_res->start + 1);
}
return err;
}
static int kingsun_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_host_interface *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_device *dev = interface_to_usbdev(intf);
struct kingsun_cb *kingsun = NULL;
struct net_device *net = NULL;
int ret = -ENOMEM;
int pipe, maxp_in, maxp_out;
__u8 ep_in;
__u8 ep_out;
interface = intf->cur_altsetting;
if (interface->desc.bNumEndpoints != 2) {
err("kingsun-sir: expected 2 endpoints, found %d",
interface->desc.bNumEndpoints);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_IN].desc;
if (!usb_endpoint_is_int_in(endpoint)) {
err("kingsun-sir: endpoint 0 is not interrupt IN");
return -ENODEV;
}
ep_in = endpoint->bEndpointAddress;
pipe = usb_rcvintpipe(dev, ep_in);
maxp_in = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
if (maxp_in > 255 || maxp_in <= 1) {
err("%s: endpoint 0 has max packet size %d not in range",
__FILE__, maxp_in);
return -ENODEV;
}
endpoint = &interface->endpoint[KINGSUN_EP_OUT].desc;
if (!usb_endpoint_is_int_out(endpoint)) {
err("kingsun-sir: endpoint 1 is not interrupt OUT");
return -ENODEV;
}
ep_out = endpoint->bEndpointAddress;
pipe = usb_sndintpipe(dev, ep_out);
maxp_out = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
net = alloc_irdadev(sizeof(*kingsun));
if(!net)
goto err_out1;
SET_NETDEV_DEV(net, &intf->dev);
kingsun = netdev_priv(net);
kingsun->irlap = NULL;
kingsun->tx_urb = NULL;
kingsun->rx_urb = NULL;
kingsun->ep_in = ep_in;
kingsun->ep_out = ep_out;
kingsun->in_buf = NULL;
kingsun->out_buf = NULL;
kingsun->max_rx = (__u8)maxp_in;
kingsun->max_tx = (__u8)maxp_out;
kingsun->netdev = net;
kingsun->usbdev = dev;
kingsun->rx_buff.in_frame = FALSE;
kingsun->rx_buff.state = OUTSIDE_FRAME;
kingsun->rx_buff.skb = NULL;
kingsun->receiving = 0;
spin_lock_init(&kingsun->lock);
kingsun->in_buf = kmalloc(kingsun->max_rx, GFP_KERNEL);
if (!kingsun->in_buf)
goto free_mem;
kingsun->out_buf = kmalloc(KINGSUN_FIFO_SIZE, GFP_KERNEL);
if (!kingsun->out_buf)
goto free_mem;
printk(KERN_INFO "KingSun/DonShine IRDA/USB found at address %d, "
"Vendor: %x, Product: %x\n",
dev->devnum, le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
irda_init_max_qos_capabilies(&kingsun->qos);
kingsun->qos.baud_rate.bits &= IR_9600;
kingsun->qos.min_turn_time.bits &= KINGSUN_MTT;
irda_qos_bits_to_value(&kingsun->qos);
net->netdev_ops = &kingsun_ops;
ret = register_netdev(net);
if (ret != 0)
goto free_mem;
dev_info(&net->dev, "IrDA: Registered KingSun/DonShine device %s\n",
net->name);
usb_set_intfdata(intf, kingsun);
return 0;
free_mem:
if (kingsun->out_buf) kfree(kingsun->out_buf);
if (kingsun->in_buf) kfree(kingsun->in_buf);
free_netdev(net);
err_out1:
return ret;
}