patch-2.3.6 linux/drivers/net/irda/pc87108.c
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- Lines: 424
- Date:
Mon Jun 7 16:18:58 1999
- Orig file:
v2.3.5/linux/drivers/net/irda/pc87108.c
- Orig date:
Mon May 31 22:28:05 1999
diff -u --recursive --new-file v2.3.5/linux/drivers/net/irda/pc87108.c linux/drivers/net/irda/pc87108.c
@@ -6,7 +6,7 @@
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sat Nov 7 21:43:15 1998
- * Modified at: Sun May 9 12:57:46 1999
+ * Modified at: Mon May 24 15:19:21 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>
@@ -72,7 +72,7 @@
#define CHIP_IO_EXTENT 8
static unsigned int io[] = { 0x2f8, ~0, ~0, ~0 };
-static unsigned int io2[] = { 0x150, 0, 0, 0};
+static unsigned int io2[] = { 0x150, 0, 0, 0 };
static unsigned int irq[] = { 3, 0, 0, 0 };
static unsigned int dma[] = { 0, 0, 0, 0 };
@@ -98,28 +98,28 @@
};
/* Some prototypes */
-static int pc87108_open( int i, unsigned int iobase, unsigned int board_addr,
- unsigned int irq, unsigned int dma);
+static int pc87108_open(int i, unsigned int iobase, unsigned int board_addr,
+ unsigned int irq, unsigned int dma);
#ifdef MODULE
-static int pc87108_close( struct irda_device *idev);
+static int pc87108_close(struct irda_device *idev);
#endif /* MODULE */
-static int pc87108_probe( int iobase, int board_addr, int irq, int dma);
-static void pc87108_pio_receive( struct irda_device *idev);
-static int pc87108_dma_receive( struct irda_device *idev);
+static int pc87108_probe(int iobase, int board_addr, int irq, int dma);
+static void pc87108_pio_receive(struct irda_device *idev);
+static int pc87108_dma_receive(struct irda_device *idev);
static int pc87108_dma_receive_complete(struct irda_device *idev, int iobase);
-static int pc87108_hard_xmit( struct sk_buff *skb, struct device *dev);
-static int pc87108_pio_write( int iobase, __u8 *buf, int len, int fifo_size);
-static void pc87108_dma_write( struct irda_device *idev, int iobase);
-static void pc87108_change_speed( struct irda_device *idev, int baud);
+static int pc87108_hard_xmit(struct sk_buff *skb, struct device *dev);
+static int pc87108_pio_write(int iobase, __u8 *buf, int len, int fifo_size);
+static void pc87108_dma_write(struct irda_device *idev, int iobase);
+static void pc87108_change_speed(struct irda_device *idev, int baud);
static void pc87108_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-static void pc87108_wait_until_sent( struct irda_device *idev);
-static int pc87108_is_receiving( struct irda_device *idev);
-static int pc87108_read_dongle_id ( int iobase);
-static void pc87108_init_dongle_interface ( int iobase, int dongle_id);
-
-static int pc87108_net_init( struct device *dev);
-static int pc87108_net_open( struct device *dev);
-static int pc87108_net_close( struct device *dev);
+static void pc87108_wait_until_sent(struct irda_device *idev);
+static int pc87108_is_receiving(struct irda_device *idev);
+static int pc87108_read_dongle_id (int iobase);
+static void pc87108_init_dongle_interface (int iobase, int dongle_id);
+
+static int pc87108_net_init(struct device *dev);
+static int pc87108_net_open(struct device *dev);
+static int pc87108_net_close(struct device *dev);
/*
* Function pc87108_init ()
@@ -131,11 +131,11 @@
{
int i;
- for ( i=0; (io[i] < 2000) && (i < 4); i++) {
+ for (i=0; (io[i] < 2000) && (i < 4); i++) {
int ioaddr = io[i];
if (check_region(ioaddr, CHIP_IO_EXTENT) < 0)
continue;
- if (pc87108_open( i, io[i], io2[i], irq[i], dma[i]) == 0)
+ if (pc87108_open(i, io[i], io2[i], irq[i], dma[i]) == 0)
return 0;
}
return -ENODEV;
@@ -167,29 +167,29 @@
* Open driver instance
*
*/
-static int pc87108_open( int i, unsigned int iobase, unsigned int board_addr,
- unsigned int irq, unsigned int dma)
+static int pc87108_open(int i, unsigned int iobase, unsigned int board_addr,
+ unsigned int irq, unsigned int dma)
{
struct pc87108 *self;
struct irda_device *idev;
int ret;
int dongle_id;
- DEBUG( 0, __FUNCTION__ "()\n");
+ DEBUG(0, __FUNCTION__ "()\n");
- if (( dongle_id = pc87108_probe( iobase, board_addr, irq, dma)) == -1)
+ if ((dongle_id = pc87108_probe(iobase, board_addr, irq, dma)) == -1)
return -1;
/*
* Allocate new instance of the driver
*/
- self = kmalloc( sizeof(struct pc87108), GFP_KERNEL);
- if ( self == NULL) {
- printk( KERN_ERR "IrDA: Can't allocate memory for "
- "IrDA control block!\n");
+ self = kmalloc(sizeof(struct pc87108), 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 pc87108));
+ memset(self, 0, sizeof(struct pc87108));
/* Need to store self somewhere */
dev_self[i] = self;
@@ -204,24 +204,24 @@
idev->io.fifo_size = 32;
/* Lock the port that we need */
- ret = check_region( idev->io.iobase, idev->io.io_ext);
- if ( ret < 0) {
- DEBUG( 0, __FUNCTION__ "(), can't get iobase of 0x%03x\n",
- idev->io.iobase);
+ ret = check_region(idev->io.iobase, idev->io.io_ext);
+ if (ret < 0) {
+ DEBUG(0, __FUNCTION__ "(), can't get iobase of 0x%03x\n",
+ idev->io.iobase);
/* pc87108_cleanup( self->idev); */
return -ENODEV;
}
- request_region( idev->io.iobase, idev->io.io_ext, idev->name);
+ request_region(idev->io.iobase, idev->io.io_ext, idev->name);
/* Initialize QoS for this device */
- irda_init_max_qos_capabilies( &idev->qos);
+ irda_init_max_qos_capabilies(&idev->qos);
/* The only value we must override it the baudrate */
idev->qos.baud_rate.bits = IR_9600|IR_19200|IR_38400|IR_57600|
IR_115200|IR_576000|IR_1152000|(IR_4000000 << 8);
idev->qos.min_turn_time.bits = qos_mtt_bits;
- irda_qos_bits_to_value( &idev->qos);
+ irda_qos_bits_to_value(&idev->qos);
idev->flags = IFF_FIR|IFF_MIR|IFF_SIR|IFF_DMA|IFF_PIO|IFF_DONGLE;
@@ -245,10 +245,10 @@
idev->netdev.stop = pc87108_net_close;
idev->io.dongle_id = dongle_id;
- pc87108_init_dongle_interface( iobase, dongle_id);
+ pc87108_init_dongle_interface(iobase, dongle_id);
/* Open the IrDA device */
- irda_device_open( idev, driver_name, self);
+ irda_device_open(idev, driver_name, self);
return 0;
}
@@ -267,15 +267,14 @@
DEBUG( 4, __FUNCTION__ "()\n");
- ASSERT( idev != NULL, return -1;);
- ASSERT( idev->magic == IRDA_DEVICE_MAGIC, return -1;);
+ ASSERT(idev != NULL, return -1;);
+ ASSERT(idev->magic == IRDA_DEVICE_MAGIC, return -1;);
iobase = idev->io.iobase;
self = (struct pc87108 *) idev->priv;
/* Release the PORT that this driver is using */
- DEBUG( 4, __FUNCTION__ "(), Releasing Region %03x\n",
- idev->io.iobase);
+ DEBUG(4, __FUNCTION__ "(), Releasing Region %03x\n", idev->io.iobase);
release_region(idev->io.iobase, idev->io.io_ext);
irda_device_close(idev);
@@ -292,22 +291,22 @@
* Returns non-negative on success.
*
*/
-static int pc87108_probe( int iobase, int board_addr, int irq, int dma)
+static int pc87108_probe(int iobase, int board_addr, int irq, int dma)
{
int version;
__u8 temp=0;
int dongle_id;
- DEBUG( 4, __FUNCTION__ "()\n");
+ DEBUG(4, __FUNCTION__ "()\n");
/* Base Address and Interrupt Control Register BAIC */
outb(0, board_addr);
- switch ( iobase) {
- case 0x3E8: outb( 0x14, board_addr+1); break;
- case 0x2E8: outb( 0x15, board_addr+1); break;
- case 0x3F8: outb( 0x16, board_addr+1); break;
- case 0x2F8: outb( 0x17, board_addr+1); break;
- default: DEBUG(0, __FUNCTION__ "(), invalid base_address");
+ switch (iobase) {
+ case 0x3E8: outb(0x14, board_addr+1); break;
+ case 0x2E8: outb(0x15, board_addr+1); break;
+ case 0x3F8: outb(0x16, board_addr+1); break;
+ case 0x2F8: outb(0x17, board_addr+1); break;
+ default: ERROR(__FUNCTION__ "(), invalid base_address");
}
/* Control Signal Routing Register CSRT */
@@ -319,74 +318,73 @@
case 9: temp = 0x05; break;
case 11: temp = 0x06; break;
case 15: temp = 0x07; break;
- default: DEBUG( 0, __FUNCTION__ "(), invalid irq");
+ default: ERROR(__FUNCTION__ "(), invalid irq");
}
- outb( 1, board_addr);
-
+ outb(1, board_addr);
+
switch (dma) {
- case 0: outb( 0x08+temp, board_addr+1); break;
- case 1: outb( 0x10+temp, board_addr+1); break;
- case 3: outb( 0x18+temp, board_addr+1); break;
+ case 0: outb(0x08+temp, board_addr+1); break;
+ case 1: outb(0x10+temp, board_addr+1); break;
+ case 3: outb(0x18+temp, board_addr+1); break;
default: DEBUG( 0, __FUNCTION__ "(), invalid dma");
}
/* Mode Control Register MCTL */
- outb( 2, board_addr);
- outb( 0x03, board_addr+1);
+ outb(2, board_addr);
+ outb(0x03, board_addr+1);
/* read the Module ID */
- switch_bank( iobase, BANK3);
- version = inb( iobase+MID);
+ switch_bank(iobase, BANK3);
+ version = inb(iobase+MID);
/* should be 0x2? */
- if (0x20 != (version & 0xf0))
- {
- DEBUG( 0, __FUNCTION__ "(), Wrong chip version");
+ if (0x20 != (version & 0xf0)) {
+ ERROR(__FUNCTION__ "(), Wrong chip version %02x\n", version);
return -1;
}
/* Switch to advanced mode */
switch_bank( iobase, BANK2);
- outb( ECR1_EXT_SL, iobase+ECR1);
- switch_bank( iobase, BANK0);
+ outb(ECR1_EXT_SL, iobase+ECR1);
+ switch_bank(iobase, BANK0);
- dongle_id = pc87108_read_dongle_id( iobase);
- DEBUG( 0, __FUNCTION__ "(), Found dongle: %s\n",
- dongle_types[ dongle_id]);
+ dongle_id = pc87108_read_dongle_id(iobase);
+ DEBUG(0, __FUNCTION__ "(), Found dongle: %s\n",
+ dongle_types[ dongle_id]);
/* Set FIFO threshold to TX17, RX16, reset and enable FIFO's */
- switch_bank( iobase, BANK0);
- outb( FCR_RXTH|FCR_TXTH|FCR_TXSR|FCR_RXSR|FCR_FIFO_EN, iobase+FCR);
+ switch_bank(iobase, BANK0);
+ outb(FCR_RXTH|FCR_TXTH|FCR_TXSR|FCR_RXSR|FCR_FIFO_EN, iobase+FCR);
/* Set FIFO size to 32 */
- switch_bank( iobase, BANK2);
- outb( EXCR2_RFSIZ|EXCR2_TFSIZ, iobase+EXCR2);
+ switch_bank(iobase, BANK2);
+ outb(EXCR2_RFSIZ|EXCR2_TFSIZ, iobase+EXCR2);
/* IRCR2: FEND_MD is set */
- switch_bank( iobase, BANK5);
- outb( 0x2a, iobase+4);
+ switch_bank(iobase, BANK5);
+ outb(0x2a, iobase+4);
/* Make sure that some defaults are OK */
- switch_bank( iobase, BANK6);
- outb( 0x20, iobase+0); /* Set 32 bits FIR CRC */
- outb( 0x0a, iobase+1); /* Set MIR pulse width */
- outb( 0x0d, iobase+2); /* Set SIR pulse width */
- outb( 0x2a, iobase+4); /* Set beginning frag, and preamble length */
+ switch_bank(iobase, BANK6);
+ outb(0x20, iobase+0); /* Set 32 bits FIR CRC */
+ outb(0x0a, iobase+1); /* Set MIR pulse width */
+ outb(0x0d, iobase+2); /* Set SIR pulse width */
+ outb(0x2a, iobase+4); /* Set beginning frag, and preamble length */
/* Receiver frame length */
- switch_bank( iobase, BANK4);
- outb( 2048 & 0xff, iobase+6);
- outb(( 2048 >> 8) & 0x1f, iobase+7);
+ switch_bank(iobase, BANK4);
+ outb(2048 & 0xff, iobase+6);
+ outb((2048 >> 8) & 0x1f, iobase+7);
/* Transmitter frame length */
- outb( 2048 & 0xff, iobase+4);
- outb(( 2048 >> 8) & 0x1f, iobase+5);
+ outb(2048 & 0xff, iobase+4);
+ outb((2048 >> 8) & 0x1f, iobase+5);
- DEBUG( 0, "PC87108 driver loaded. Version: 0x%02x\n", version);
+ DEBUG(0, "PC87108 driver loaded. Version: 0x%02x\n", version);
/* Enable receive interrupts */
- switch_bank( iobase, BANK0);
- outb( IER_RXHDL_IE, iobase+IER);
+ switch_bank(iobase, BANK0);
+ outb(IER_RXHDL_IE, iobase+IER);
return dongle_id;
}
@@ -409,10 +407,10 @@
bank = inb( iobase+BSR);
/* Select Bank 7 */
- switch_bank( iobase, BANK7);
+ switch_bank(iobase, BANK7);
/* IRCFG4: IRSL0_DS and IRSL21_DS are cleared */
- outb( 0x00, iobase+7);
+ outb(0x00, iobase+7);
/* ID0, 1, and 2 are pulled up/down very slowly */
udelay(50);
@@ -421,16 +419,16 @@
dongle_id = inb( iobase+4) & 0x0f;
#ifdef BROKEN_DONGLE_ID
- if ( dongle_id == 0x0a)
+ if (dongle_id == 0x0a)
dongle_id = 0x09;
#endif
-
+
/* Go back to bank 0 before returning */
- switch_bank( iobase, BANK0);
+ switch_bank(iobase, BANK0);
- DEBUG( 0, __FUNCTION__ "(), Dongle = %#x\n", dongle_id);
+ DEBUG(0, __FUNCTION__ "(), Dongle = %#x\n", dongle_id);
- outb( bank, iobase+BSR);
+ outb(bank, iobase+BSR);
return dongle_id;
}
@@ -443,7 +441,7 @@
* power-on/reset. It also needs to be used whenever you suspect that
* the dongle is changed.
*/
-static void pc87108_init_dongle_interface ( int iobase, int dongle_id)
+static void pc87108_init_dongle_interface (int iobase, int dongle_id)
{
int bank;
@@ -818,11 +816,11 @@
iobase+ECR1);
/* Enable DMA */
- switch_bank( iobase, BANK0);
- outb( inb( iobase+MCR)|MCR_DMA_EN, iobase+MCR);
+ switch_bank(iobase, BANK0);
+ outb(inb(iobase+MCR)|MCR_DMA_EN, iobase+MCR);
/* Restore bank register */
- outb( bsr, iobase+BSR);
+ outb(bsr, iobase+BSR);
}
/*
@@ -832,7 +830,7 @@
* got transfered
*
*/
-static int pc87108_pio_write( int iobase, __u8 *buf, int len, int fifo_size)
+static int pc87108_pio_write(int iobase, __u8 *buf, int len, int fifo_size)
{
int actual = 0;
__u8 bank;
@@ -851,16 +849,16 @@
}
/* Fill FIFO with current frame */
- while (( fifo_size-- > 0) && (actual < len)) {
+ while ((fifo_size-- > 0) && (actual < len)) {
/* Transmit next byte */
- outb( buf[actual++], iobase+TXD);
+ outb(buf[actual++], iobase+TXD);
}
- DEBUG( 4, __FUNCTION__ "(), fifo_size %d ; %d sent of %d\n",
- fifo_size, actual, len);
+ DEBUG(4, __FUNCTION__ "(), fifo_size %d ; %d sent of %d\n",
+ fifo_size, actual, len);
/* Restore bank */
- outb( bank, iobase+BSR);
+ outb(bank, iobase+BSR);
return actual;
}
@@ -1466,6 +1464,9 @@
MODULE_DESCRIPTION("NSC PC87108 IrDA Device Driver");
MODULE_PARM(qos_mtt_bits, "i");
+MODULE_PARM(io, "1-4i");
+MODULE_PARM(io2, "1-4i");
+MODULE_PARM(irq, "1-4i");
/*
* Function init_module (void)
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