/* * Function w83977af_open (iobase, irq) * * Open driver instance * */ int w83977af_open(int i, unsigned int iobase, unsigned int irq, unsigned int dma) { struct net_device *dev; struct w83977af_ir *self; int ret; int err; IRDA_DEBUG(0, __FUNCTION__ "()\n"); if (w83977af_probe(iobase, irq, dma) == -1) return -1; /* * Allocate new instance of the driver */ self = kmalloc(sizeof(struct w83977af_ir), GFP_KERNEL); if (self == NULL) { printk( KERN_ERR "IrDA: Can't allocate memory for " "IrDA control block!\n"); return -ENOMEM; } memset(self, 0, sizeof(struct w83977af_ir)); /* Need to store self somewhere */ dev_self[i] = self; /* 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; /* Lock the port that we need */ ret = check_region(self->io.fir_base, self->io.fir_ext); if (ret < 0) { IRDA_DEBUG(0, __FUNCTION__ "(), can't get iobase of 0x%03x\n", self->io.fir_base); /* w83977af_cleanup( self); */ return -ENODEV; } request_region(self->io.fir_base, self->io.fir_ext, driver_name); /* 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); self->flags = IFF_FIR|IFF_MIR|IFF_SIR|IFF_DMA|IFF_PIO; /* 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 = (__u8 *) kmalloc(self->rx_buff.truesize, GFP_KERNEL|GFP_DMA); if (self->rx_buff.head == NULL) return -ENOMEM; memset(self->rx_buff.head, 0, self->rx_buff.truesize); self->tx_buff.head = (__u8 *) kmalloc(self->tx_buff.truesize, GFP_KERNEL|GFP_DMA); if (self->tx_buff.head == NULL) { kfree(self->rx_buff.head); return -ENOMEM; } 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; if (!(dev = dev_alloc("irda%d", &err))) { ERROR(__FUNCTION__ "(), dev_alloc() failed!\n"); return -ENOMEM; } dev->priv = (void *) self; self->netdev = dev; /* Override the network functions we need to use */ dev->init = w83977af_net_init; dev->hard_start_xmit = w83977af_hard_xmit; dev->open = w83977af_net_open; dev->stop = w83977af_net_close; dev->do_ioctl = w83977af_net_ioctl; dev->get_stats = w83977af_net_get_stats; rtnl_lock(); err = register_netdevice(dev); rtnl_unlock(); if (err) { ERROR(__FUNCTION__ "(), register_netdevice() failed!\n"); return -1; } MESSAGE("IrDA: Registered device %s\n", dev->name); return 0; }
/* * 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 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; }