static int au1k_irda_net_init(struct net_device *dev)
{
struct au1k_private *aup = NULL;
int i, retval = 0, err;
db_dest_t *pDB, *pDBfree;
dma_addr_t temp;
dev->priv = kmalloc(sizeof(struct au1k_private), GFP_KERNEL);
if (dev->priv == NULL) {
retval = -ENOMEM;
goto out;
}
memset(dev->priv, 0, sizeof(struct au1k_private));
aup = dev->priv;
err = au1k_irda_init_iobuf(&aup->rx_buff, 14384);
if (err)
goto out;
dev->open = au1k_irda_start;
dev->hard_start_xmit = au1k_irda_hard_xmit;
dev->stop = au1k_irda_stop;
dev->get_stats = au1k_irda_stats;
dev->do_ioctl = au1k_irda_ioctl;
dev->tx_timeout = au1k_tx_timeout;
irda_device_setup(dev);
irda_init_max_qos_capabilies(&aup->qos);
/* The only value we must override it the baudrate */
aup->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000 |(IR_4000000 << 8);
aup->qos.min_turn_time.bits = qos_mtt_bits;
irda_qos_bits_to_value(&aup->qos);
/* Tx ring follows rx ring + 512 bytes */
/* we need a 1k aligned buffer */
aup->rx_ring[0] = (ring_dest_t *)
dma_alloc(2*MAX_NUM_IR_DESC*(sizeof(ring_dest_t)), &temp);
/* allocate the data buffers */
aup->db[0].vaddr =
(void *)dma_alloc(MAX_BUF_SIZE * 2*NUM_IR_DESC, &temp);
if (!aup->db[0].vaddr || !aup->rx_ring[0]) {
retval = -ENOMEM;
goto out;
}
setup_hw_rings(aup, (u32)aup->rx_ring[0], (u32)aup->rx_ring[0] + 512);
pDBfree = NULL;
pDB = aup->db;
for (i=0; i<(2*NUM_IR_DESC); i++) {
pDB->pnext = pDBfree;
pDBfree = pDB;
pDB->vaddr =
(u32 *)((unsigned)aup->db[0].vaddr + MAX_BUF_SIZE*i);
pDB->dma_addr = (dma_addr_t)virt_to_bus(pDB->vaddr);
pDB++;
}
aup->pDBfree = pDBfree;
/* attach a data buffer to each descriptor */
for (i=0; i<NUM_IR_DESC; i++) {
pDB = GetFreeDB(aup);
if (!pDB) goto out;
aup->rx_ring[i]->addr_0 = (u8)(pDB->dma_addr & 0xff);
aup->rx_ring[i]->addr_1 = (u8)((pDB->dma_addr>>8) & 0xff);
aup->rx_ring[i]->addr_2 = (u8)((pDB->dma_addr>>16) & 0xff);
aup->rx_ring[i]->addr_3 = (u8)((pDB->dma_addr>>24) & 0xff);
aup->rx_db_inuse[i] = pDB;
}
for (i=0; i<NUM_IR_DESC; i++) {
pDB = GetFreeDB(aup);
if (!pDB) goto out;
aup->tx_ring[i]->addr_0 = (u8)(pDB->dma_addr & 0xff);
aup->tx_ring[i]->addr_1 = (u8)((pDB->dma_addr>>8) & 0xff);
aup->tx_ring[i]->addr_2 = (u8)((pDB->dma_addr>>16) & 0xff);
aup->tx_ring[i]->addr_3 = (u8)((pDB->dma_addr>>24) & 0xff);
aup->tx_ring[i]->count_0 = 0;
aup->tx_ring[i]->count_1 = 0;
aup->tx_ring[i]->flags = 0;
aup->tx_db_inuse[i] = pDB;
}
#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100)
/* power on */
bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
bcsr->resets |= BCSR_RESETS_IRDA_MODE_FULL;
au_sync();
#endif
return 0;
out:
if (aup->db[0].vaddr)
dma_free((void *)aup->db[0].vaddr,
MAX_BUF_SIZE * 2*NUM_IR_DESC);
if (aup->rx_ring[0])
kfree((void *)aup->rx_ring[0]);
if (aup->rx_buff.head)
kfree(aup->rx_buff.head);
if (dev->priv != NULL)
kfree(dev->priv);
unregister_netdevice(dev);
printk(KERN_ERR "%s: au1k_init_module failed. Returns %d\n",
dev->name, retval);
return retval;
}
static int pxa250_irda_net_init(struct net_device *dev)
{
struct pxa250_irda *si = dev->priv;
unsigned int baudrate_mask;
int err = -ENOMEM;
si = kmalloc(sizeof(struct pxa250_irda), GFP_KERNEL);
if (!si)
goto out;
memset(si, 0, sizeof(*si));
/*
* Initialise the HP-SIR buffers
*/
err = pxa250_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto out;
err = pxa250_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto out_free_rx;
si->fir_irq = IRQ_ICP;
dev->priv = si;
dev->hard_start_xmit = pxa250_irda_hard_xmit;
dev->open = pxa250_irda_start;
dev->stop = pxa250_irda_stop;
dev->do_ioctl = pxa250_irda_ioctl;
dev->get_stats = pxa250_irda_stats;
irda_device_setup(dev);
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|IR_19200|IR_38400|IR_57600|IR_115200;
baudrate_mask |= IR_4000000 << 8;
si->qos.baud_rate.bits &= baudrate_mask;
si->qos.min_turn_time.bits = 7;
irda_qos_bits_to_value(&si->qos);
#ifdef CONFIG_PM
/*
* Power-Management is optional.
*/
si->pmdev = pm_register(PM_SYS_DEV, PM_SYS_IRDA, pxa250_irda_pmproc);
if (si->pmdev)
si->pmdev->data = dev;
#endif
return 0;
kfree(si->tx_buff.head);
out_free_rx:
kfree(si->rx_buff.head);
out:
kfree(si);
return err;
}
static int sa1100_irda_net_init(struct net_device *dev)
{
struct sa1100_irda *si = dev->priv;
unsigned int baudrate_mask;
int err = -ENOMEM;
si = kmalloc(sizeof(struct sa1100_irda), GFP_KERNEL);
if (!si)
goto out;
memset(si, 0, sizeof(*si));
/*
* Initialise the HP-SIR buffers
*/
err = sa1100_irda_init_iobuf(&si->rx_buff, 14384);
if (err)
goto out;
err = sa1100_irda_init_iobuf(&si->tx_buff, 4000);
if (err)
goto out_free_rx;
dev->priv = si;
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;
irda_device_setup(dev);
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|IR_19200|IR_38400|IR_57600|IR_115200;
baudrate_mask |= IR_4000000 << 8;
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;
#ifdef CONFIG_PM
/*
* Power-Management is optional.
*/
si->pmdev = pm_register(PM_SYS_DEV, PM_SYS_IRDA, sa1100_irda_pmproc);
if (si->pmdev)
si->pmdev->data = dev;
#endif
return 0;
kfree(si->tx_buff.head);
out_free_rx:
kfree(si->rx_buff.head);
out:
kfree(si);
return err;
}
