/*
* Function w83977af_close (self)
*
* Close driver instance
*
*/
static int w83977af_close(struct w83977af_ir *self)
{
int iobase;
IRDA_DEBUG(0, __FUNCTION__ "()\n");
iobase = self->io.fir_base;
#ifdef CONFIG_USE_W977_PNP
/* enter PnP configuration mode */
w977_efm_enter(efio);
w977_select_device(W977_DEVICE_IR, efio);
/* Deactivate device */
w977_write_reg(0x30, 0x00, efio);
w977_efm_exit(efio);
#endif /* CONFIG_USE_W977_PNP */
/* Remove netdevice */
if (self->netdev) {
rtnl_lock();
unregister_netdevice(self->netdev);
rtnl_unlock();
}
/* Release the PORT that this driver is using */
IRDA_DEBUG(0 , __FUNCTION__ "(), Releasing Region %03x\n",
self->io.fir_base);
release_region(self->io.fir_base, self->io.fir_ext);
if (self->tx_buff.head)
kfree(self->tx_buff.head);
if (self->rx_buff.head)
kfree(self->rx_buff.head);
kfree(self);
return 0;
}
/*
* Function w83977af_close (self)
*
* Close driver instance
*
*/
static int w83977af_close(struct w83977af_ir *self)
{
int iobase;
IRDA_DEBUG(0, "%s()\n", __func__ );
iobase = self->io.fir_base;
#ifdef CONFIG_USE_W977_PNP
/* enter PnP configuration mode */
w977_efm_enter(efio);
w977_select_device(W977_DEVICE_IR, efio);
/* Deactivate device */
w977_write_reg(0x30, 0x00, efio);
w977_efm_exit(efio);
#endif /* CONFIG_USE_W977_PNP */
/* Remove netdevice */
unregister_netdev(self->netdev);
/* Release the PORT that this driver is using */
IRDA_DEBUG(0 , "%s(), Releasing Region %03x\n",
__func__ , self->io.fir_base);
release_region(self->io.fir_base, self->io.fir_ext);
if (self->tx_buff.head)
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
if (self->rx_buff.head)
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
free_netdev(self->netdev);
return 0;
}
static int w83977af_close(struct w83977af_ir *self)
{
int iobase;
IRDA_DEBUG(0, "%s()\n", __func__ );
iobase = self->io.fir_base;
#ifdef CONFIG_USE_W977_PNP
w977_efm_enter(efio);
w977_select_device(W977_DEVICE_IR, efio);
w977_write_reg(0x30, 0x00, efio);
w977_efm_exit(efio);
#endif
unregister_netdev(self->netdev);
IRDA_DEBUG(0 , "%s(), Releasing Region %03x\n",
__func__ , self->io.fir_base);
release_region(self->io.fir_base, self->io.fir_ext);
if (self->tx_buff.head)
dma_free_coherent(NULL, self->tx_buff.truesize,
self->tx_buff.head, self->tx_buff_dma);
if (self->rx_buff.head)
dma_free_coherent(NULL, self->rx_buff.truesize,
self->rx_buff.head, self->rx_buff_dma);
free_netdev(self->netdev);
return 0;
}
static int w83977af_probe(int iobase, int irq, int dma)
{
int version;
int i;
for (i=0; i < 2; i++) {
IRDA_DEBUG( 0, "%s()\n", __func__ );
#ifdef CONFIG_USE_W977_PNP
/* Enter PnP configuration mode */
w977_efm_enter(efbase[i]);
w977_select_device(W977_DEVICE_IR, efbase[i]);
/* Configure PnP port, IRQ, and DMA channel */
w977_write_reg(0x60, (iobase >> 8) & 0xff, efbase[i]);
w977_write_reg(0x61, (iobase) & 0xff, efbase[i]);
w977_write_reg(0x70, irq, efbase[i]);
#ifdef CONFIG_ARCH_NETWINDER
/* Netwinder uses 1 higher than Linux */
w977_write_reg(0x74, dma+1, efbase[i]);
#else
w977_write_reg(0x74, dma, efbase[i]);
#endif /*CONFIG_ARCH_NETWINDER */
w977_write_reg(0x75, 0x04, efbase[i]); /* Disable Tx DMA */
/* Set append hardware CRC, enable IR bank selection */
w977_write_reg(0xf0, APEDCRC|ENBNKSEL, efbase[i]);
/* Activate device */
w977_write_reg(0x30, 0x01, efbase[i]);
w977_efm_exit(efbase[i]);
#endif /* CONFIG_USE_W977_PNP */
/* Disable Advanced mode */
switch_bank(iobase, SET2);
outb(iobase+2, 0x00);
/* Turn on UART (global) interrupts */
switch_bank(iobase, SET0);
outb(HCR_EN_IRQ, iobase+HCR);
/* Switch to advanced mode */
switch_bank(iobase, SET2);
outb(inb(iobase+ADCR1) | ADCR1_ADV_SL, iobase+ADCR1);
/* Set default IR-mode */
switch_bank(iobase, SET0);
outb(HCR_SIR, iobase+HCR);
/* Read the Advanced IR ID */
switch_bank(iobase, SET3);
version = inb(iobase+AUID);
/* Should be 0x1? */
if (0x10 == (version & 0xf0)) {
efio = efbase[i];
/* Set FIFO size to 32 */
switch_bank(iobase, SET2);
outb(ADCR2_RXFS32|ADCR2_TXFS32, iobase+ADCR2);
/* Set FIFO threshold to TX17, RX16 */
switch_bank(iobase, SET0);
outb(UFR_RXTL|UFR_TXTL|UFR_TXF_RST|UFR_RXF_RST|
UFR_EN_FIFO,iobase+UFR);
/* Receiver frame length */
switch_bank(iobase, SET4);
outb(2048 & 0xff, iobase+6);
outb((2048 >> 8) & 0x1f, iobase+7);
/*
* Init HP HSDL-1100 transceiver.
*
* Set IRX_MSL since we have 2 * receive paths IRRX,
* and IRRXH. Clear IRSL0D since we want IRSL0 * to
* be a input pin used for IRRXH
*
* IRRX pin 37 connected to receiver
* IRTX pin 38 connected to transmitter
* FIRRX pin 39 connected to receiver (IRSL0)
* CIRRX pin 40 connected to pin 37
*/
switch_bank(iobase, SET7);
outb(0x40, iobase+7);
IRDA_MESSAGE("W83977AF (IR) driver loaded. "
"Version: 0x%02x\n", version);
return 0;
} else {
static int w83977af_probe(int iobase, int irq, int dma)
{
int version;
int i;
for (i=0; i < 2; i++) {
IRDA_DEBUG( 0, "%s()\n", __func__ );
#ifdef CONFIG_USE_W977_PNP
w977_efm_enter(efbase[i]);
w977_select_device(W977_DEVICE_IR, efbase[i]);
w977_write_reg(0x60, (iobase >> 8) & 0xff, efbase[i]);
w977_write_reg(0x61, (iobase) & 0xff, efbase[i]);
w977_write_reg(0x70, irq, efbase[i]);
#ifdef CONFIG_ARCH_NETWINDER
w977_write_reg(0x74, dma+1, efbase[i]);
#else
w977_write_reg(0x74, dma, efbase[i]);
#endif
w977_write_reg(0x75, 0x04, efbase[i]);
w977_write_reg(0xf0, APEDCRC|ENBNKSEL, efbase[i]);
w977_write_reg(0x30, 0x01, efbase[i]);
w977_efm_exit(efbase[i]);
#endif
switch_bank(iobase, SET2);
outb(iobase+2, 0x00);
switch_bank(iobase, SET0);
outb(HCR_EN_IRQ, iobase+HCR);
switch_bank(iobase, SET2);
outb(inb(iobase+ADCR1) | ADCR1_ADV_SL, iobase+ADCR1);
switch_bank(iobase, SET0);
outb(HCR_SIR, iobase+HCR);
switch_bank(iobase, SET3);
version = inb(iobase+AUID);
if (0x10 == (version & 0xf0)) {
efio = efbase[i];
switch_bank(iobase, SET2);
outb(ADCR2_RXFS32|ADCR2_TXFS32, iobase+ADCR2);
switch_bank(iobase, SET0);
outb(UFR_RXTL|UFR_TXTL|UFR_TXF_RST|UFR_RXF_RST|
UFR_EN_FIFO,iobase+UFR);
switch_bank(iobase, SET4);
outb(2048 & 0xff, iobase+6);
outb((2048 >> 8) & 0x1f, iobase+7);
switch_bank(iobase, SET7);
outb(0x40, iobase+7);
IRDA_MESSAGE("W83977AF (IR) driver loaded. "
"Version: 0x%02x\n", version);
return 0;
} else {
