/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
Frodo Looijaard <frodol@dds.nl> */
-/* $Id: i2c-algo-bit.c,v 1.30 2001/07/29 02:44:25 mds Exp $ */
+/* $Id: i2c-algo-bit.c,v 1.34 2001/11/19 18:45:02 mds Exp $ */
#include <linux/kernel.h>
#include <linux/module.h>
#include <asm/uaccess.h>
#include <linux/ioport.h>
#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
}
cond_resched();
}
- DEBSTAT(printk("needed %ld jiffies\n", jiffies-start));
+ DEBSTAT(printk(KERN_DEBUG "needed %ld jiffies\n", jiffies-start));
#ifdef SLO_IO
SLO_IO
#endif
struct i2c_algo_bit_data *adap = i2c_adap->algo_data;
/* assert: scl is low */
- DEB2(printk(" i2c_outb:%2.2X\n",c&0xff));
+ DEB2(printk(KERN_DEBUG " i2c_outb:%2.2X\n",c&0xff));
for ( i=7 ; i>=0 ; i-- ) {
sb = c & ( 1 << i );
setsda(adap,sb);
udelay(adap->udelay);
- DEBPROTO(printk("%d",sb!=0));
+ DEBPROTO(printk(KERN_DEBUG "%d",sb!=0));
if (sclhi(adap)<0) { /* timed out */
sdahi(adap); /* we don't want to block the net */
return -ETIMEDOUT;
};
/* read ack: SDA should be pulled down by slave */
ack=getsda(adap); /* ack: sda is pulled low ->success. */
- DEB2(printk(" i2c_outb: getsda() = 0x%2.2x\n", ~ack ));
+ DEB2(printk(KERN_DEBUG " i2c_outb: getsda() = 0x%2.2x\n", ~ack ));
- DEBPROTO( printk("[%2.2x]",c&0xff) );
- DEBPROTO(if (0==ack){ printk(" A ");} else printk(" NA ") );
+ DEBPROTO( printk(KERN_DEBUG "[%2.2x]",c&0xff) );
+ DEBPROTO(if (0==ack){ printk(KERN_DEBUG " A ");} else printk(KERN_DEBUG " NA ") );
scllo(adap);
return 0==ack; /* return 1 if device acked */
/* assert: scl is low (sda undef) */
struct i2c_algo_bit_data *adap = i2c_adap->algo_data;
/* assert: scl is low */
- DEB2(printk("i2c_inb.\n"));
+ DEB2(printk(KERN_DEBUG "i2c_inb.\n"));
sdahi(adap);
for (i=0;i<8;i++) {
scllo(adap);
}
/* assert: scl is low */
- DEBPROTO(printk(" %2.2x", indata & 0xff));
+ DEBPROTO(printk(KERN_DEBUG " %2.2x", indata & 0xff));
return (int) (indata & 0xff);
}
int scl,sda;
sda=getsda(adap);
if (adap->getscl==NULL) {
- printk("i2c-algo-bit.o: Warning: Adapter can't read from clock line - skipping test.\n");
+ printk(KERN_WARNING "i2c-algo-bit.o: Warning: Adapter can't read from clock line - skipping test.\n");
return 0;
}
scl=getscl(adap);
- printk("i2c-algo-bit.o: Adapter: %s scl: %d sda: %d -- testing...\n",
+ printk(KERN_INFO "i2c-algo-bit.o: Adapter: %s scl: %d sda: %d -- testing...\n",
name,getscl(adap),getsda(adap));
if (!scl || !sda ) {
- printk("i2c-algo-bit.o: %s seems to be busy.\n",name);
+ printk(KERN_INFO " i2c-algo-bit.o: %s seems to be busy.\n",name);
goto bailout;
}
sdalo(adap);
- printk("i2c-algo-bit.o:1 scl: %d sda: %d \n",getscl(adap),
+ printk(KERN_DEBUG "i2c-algo-bit.o:1 scl: %d sda: %d \n",getscl(adap),
getsda(adap));
if ( 0 != getsda(adap) ) {
- printk("i2c-algo-bit.o: %s SDA stuck high!\n",name);
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SDA stuck high!\n",name);
sdahi(adap);
goto bailout;
}
if ( 0 == getscl(adap) ) {
- printk("i2c-algo-bit.o: %s SCL unexpected low while pulling SDA low!\n",
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SCL unexpected low while pulling SDA low!\n",
name);
goto bailout;
}
sdahi(adap);
- printk("i2c-algo-bit.o:2 scl: %d sda: %d \n",getscl(adap),
+ printk(KERN_DEBUG "i2c-algo-bit.o:2 scl: %d sda: %d \n",getscl(adap),
getsda(adap));
if ( 0 == getsda(adap) ) {
- printk("i2c-algo-bit.o: %s SDA stuck low!\n",name);
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SDA stuck low!\n",name);
sdahi(adap);
goto bailout;
}
if ( 0 == getscl(adap) ) {
- printk("i2c-algo-bit.o: %s SCL unexpected low while SDA high!\n",
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SCL unexpected low while SDA high!\n",
name);
goto bailout;
}
scllo(adap);
- printk("i2c-algo-bit.o:3 scl: %d sda: %d \n",getscl(adap),
+ printk(KERN_DEBUG "i2c-algo-bit.o:3 scl: %d sda: %d \n",getscl(adap),
getsda(adap));
if ( 0 != getscl(adap) ) {
- printk("i2c-algo-bit.o: %s SCL stuck high!\n",name);
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SCL stuck high!\n",name);
sclhi(adap);
goto bailout;
}
if ( 0 == getsda(adap) ) {
- printk("i2c-algo-bit.o: %s SDA unexpected low while pulling SCL low!\n",
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SDA unexpected low while pulling SCL low!\n",
name);
goto bailout;
}
sclhi(adap);
- printk("i2c-algo-bit.o:4 scl: %d sda: %d \n",getscl(adap),
+ printk(KERN_DEBUG "i2c-algo-bit.o:4 scl: %d sda: %d \n",getscl(adap),
getsda(adap));
if ( 0 == getscl(adap) ) {
- printk("i2c-algo-bit.o: %s SCL stuck low!\n",name);
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SCL stuck low!\n",name);
sclhi(adap);
goto bailout;
}
if ( 0 == getsda(adap) ) {
- printk("i2c-algo-bit.o: %s SDA unexpected low while SCL high!\n",
+ printk(KERN_WARNING "i2c-algo-bit.o: %s SDA unexpected low while SCL high!\n",
name);
goto bailout;
}
- printk("i2c-algo-bit.o: %s passed test.\n",name);
+ printk(KERN_INFO "i2c-algo-bit.o: %s passed test.\n",name);
return 0;
bailout:
sdahi(adap);
i2c_start(adap);
udelay(adap->udelay);
}
- DEB2(if (i) printk("i2c-algo-bit.o: needed %d retries for %d\n",
+ DEB2(if (i) printk(KERN_DEBUG "i2c-algo-bit.o: needed %d retries for %d\n",
i,addr));
return ret;
}
while (count > 0) {
c = *temp;
- DEB2(printk("i2c-algo-bit.o: %s i2c_write: writing %2.2X\n",
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: %s i2c_write: writing %2.2X\n",
i2c_adap->name, c&0xff));
retval = i2c_outb(i2c_adap,c);
if (retval>0) {
temp++;
wrcount++;
} else { /* arbitration or no acknowledge */
- printk("i2c-algo-bit.o: %s i2c_write: error - bailout.\n",
+ printk(KERN_ERR "i2c-algo-bit.o: %s i2c_write: error - bailout.\n",
i2c_adap->name);
i2c_stop(adap);
return (retval<0)? retval : -EFAULT;
*temp = inval;
rdcount++;
} else { /* read timed out */
- printk("i2c-algo-bit.o: i2c_read: i2c_inb timed out.\n");
+ printk(KERN_ERR "i2c-algo-bit.o: i2c_read: i2c_inb timed out.\n");
break;
}
}
if (sclhi(adap)<0) { /* timeout */
sdahi(adap);
- printk("i2c-algo-bit.o: i2c_read: Timeout at ack\n");
+ printk(KERN_ERR "i2c-algo-bit.o: i2c_read: Timeout at ack\n");
return -ETIMEDOUT;
};
scllo(adap);
if ( (flags & I2C_M_TEN) ) {
/* a ten bit address */
addr = 0xf0 | (( msg->addr >> 7) & 0x03);
- DEB2(printk("addr0: %d\n",addr));
+ DEB2(printk(KERN_DEBUG "addr0: %d\n",addr));
/* try extended address code...*/
ret = try_address(i2c_adap, addr, retries);
if (ret!=1) {
- printk("died at extended address code.\n");
+ printk(KERN_ERR "died at extended address code.\n");
return -EREMOTEIO;
}
/* the remaining 8 bit address */
ret = i2c_outb(i2c_adap,msg->addr & 0x7f);
if (ret != 1) {
/* the chip did not ack / xmission error occurred */
- printk("died at 2nd address code.\n");
+ printk(KERN_ERR "died at 2nd address code.\n");
return -EREMOTEIO;
}
if ( flags & I2C_M_RD ) {
addr |= 0x01;
ret = try_address(i2c_adap, addr, retries);
if (ret!=1) {
- printk("died at extended address code.\n");
+ printk(KERN_ERR "died at extended address code.\n");
return -EREMOTEIO;
}
}
}
ret = bit_doAddress(i2c_adap,pmsg,i2c_adap->retries);
if (ret != 0) {
- DEB2(printk("i2c-algo-bit.o: NAK from device adr %#2x msg #%d\n"
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: NAK from device adr %#2x msg #%d\n"
,msgs[i].addr,i));
return (ret<0) ? ret : -EREMOTEIO;
}
if (pmsg->flags & I2C_M_RD ) {
/* read bytes into buffer*/
ret = readbytes(i2c_adap,pmsg->buf,pmsg->len);
- DEB2(printk("i2c-algo-bit.o: read %d bytes.\n",ret));
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: read %d bytes.\n",ret));
if (ret < pmsg->len ) {
return (ret<0)? ret : -EREMOTEIO;
}
} else {
/* write bytes from buffer */
ret = sendbytes(i2c_adap,pmsg->buf,pmsg->len);
- DEB2(printk("i2c-algo-bit.o: wrote %d bytes.\n",ret));
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: wrote %d bytes.\n",ret));
if (ret < pmsg->len ) {
return (ret<0) ? ret : -EREMOTEIO;
}
return -ENODEV;
}
- DEB2(printk("i2c-algo-bit.o: hw routines for %s registered.\n",
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: hw routines for %s registered.\n",
adap->name));
/* register new adapter to i2c module... */
if ((res = i2c_del_adapter(adap)) < 0)
return res;
- DEB2(printk("i2c-algo-bit.o: adapter unregistered: %s\n",adap->name));
+ DEB2(printk(KERN_DEBUG "i2c-algo-bit.o: adapter unregistered: %s\n",adap->name));
#ifdef MODULE
MOD_DEC_USE_COUNT;
int __init i2c_algo_bit_init (void)
{
- printk("i2c-algo-bit.o: i2c bit algorithm module\n");
+ printk(KERN_INFO "i2c-algo-bit.o: i2c bit algorithm module version %s (%s)\n", I2C_VERSION, I2C_DATE);
return 0;
}
#include <asm/uaccess.h>
#include <linux/ioport.h>
#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-pcf.h>
}
#endif
if (timeout <= 0) {
- printk("Timeout waiting for Bus Busy\n");
+ printk(KERN_ERR "Timeout waiting for Bus Busy\n");
}
return (timeout<=0);
{
unsigned char temp;
- DEB3(printk("i2c-algo-pcf.o: PCF state 0x%02x\n", get_pcf(adap, 1)));
+ DEB3(printk(KERN_DEBUG "i2c-algo-pcf.o: PCF state 0x%02x\n", get_pcf(adap, 1)));
/* S1=0x80: S0 selected, serial interface off */
set_pcf(adap, 1, I2C_PCF_PIN);
/* check to see S1 now used as R/W ctrl -
PCF8584 does that when ESO is zero */
- /* PCF also resets PIN bit */
- if ((temp = get_pcf(adap, 1)) != (0)) {
- DEB2(printk("i2c-algo-pcf.o: PCF detection failed -- can't select S0 (0x%02x).\n", temp));
+ if (((temp = get_pcf(adap, 1)) & 0x7f) != (0)) {
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S0 (0x%02x).\n", temp));
return -ENXIO; /* definetly not PCF8584 */
}
i2c_outb(adap, get_own(adap));
/* check it's realy writen */
if ((temp = i2c_inb(adap)) != get_own(adap)) {
- DEB2(printk("i2c-algo-pcf.o: PCF detection failed -- can't set S0 (0x%02x).\n", temp));
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't set S0 (0x%02x).\n", temp));
return -ENXIO;
}
/* S1=0xA0, next byte in S2 */
set_pcf(adap, 1, I2C_PCF_PIN | I2C_PCF_ES1);
/* check to see S2 now selected */
- if ((temp = get_pcf(adap, 1)) != I2C_PCF_ES1) {
- DEB2(printk("i2c-algo-pcf.o: PCF detection failed -- can't select S2 (0x%02x).\n", temp));
+ if (((temp = get_pcf(adap, 1)) & 0x7f) != I2C_PCF_ES1) {
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S2 (0x%02x).\n", temp));
return -ENXIO;
}
i2c_outb(adap, get_clock(adap));
/* check it's realy writen, the only 5 lowest bits does matter */
if (((temp = i2c_inb(adap)) & 0x1f) != get_clock(adap)) {
- DEB2(printk("i2c-algo-pcf.o: PCF detection failed -- can't set S2 (0x%02x).\n", temp));
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't set S2 (0x%02x).\n", temp));
return -ENXIO;
}
/* check to see PCF is realy idled and we can access status register */
if ((temp = get_pcf(adap, 1)) != (I2C_PCF_PIN | I2C_PCF_BB)) {
- DEB2(printk("i2c-algo-pcf.o: PCF detection failed -- can't select S1` (0x%02x).\n", temp));
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S1` (0x%02x).\n", temp));
return -ENXIO;
}
- printk("i2c-algo-pcf.o: deteted and initialized PCF8584.\n");
+ printk(KERN_DEBUG "i2c-algo-pcf.o: deteted and initialized PCF8584.\n");
return 0;
}
i2c_stop(adap);
udelay(adap->udelay);
}
- DEB2(if (i) printk("i2c-algo-pcf.o: needed %d retries for %d\n",i,
+ DEB2(if (i) printk(KERN_DEBUG "i2c-algo-pcf.o: needed %d retries for %d\n",i,
addr));
return ret;
}
int wrcount, status, timeout;
for (wrcount=0; wrcount<count; ++wrcount) {
- DEB2(printk("i2c-algo-pcf.o: %s i2c_write: writing %2.2X\n",
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: %s i2c_write: writing %2.2X\n",
i2c_adap->name, buf[wrcount]&0xff));
i2c_outb(adap, buf[wrcount]);
timeout = wait_for_pin(adap, &status);
if (timeout) {
i2c_stop(adap);
- printk("i2c-algo-pcf.o: %s i2c_write: "
+ printk(KERN_ERR "i2c-algo-pcf.o: %s i2c_write: "
"error - timeout.\n", i2c_adap->name);
return -EREMOTEIO; /* got a better one ?? */
}
#ifndef STUB_I2C
if (status & I2C_PCF_LRB) {
i2c_stop(adap);
- printk("i2c-algo-pcf.o: %s i2c_write: "
+ printk(KERN_ERR "i2c-algo-pcf.o: %s i2c_write: "
"error - no ack.\n", i2c_adap->name);
return -EREMOTEIO; /* got a better one ?? */
}
if (wait_for_pin(adap, &status)) {
i2c_stop(adap);
- printk("i2c-algo-pcf.o: pcf_readbytes timed out.\n");
+ printk(KERN_ERR "i2c-algo-pcf.o: pcf_readbytes timed out.\n");
return (-1);
}
#ifndef STUB_I2C
if ((status & I2C_PCF_LRB) && (i != count)) {
i2c_stop(adap);
- printk("i2c-algo-pcf.o: i2c_read: i2c_inb, No ack.\n");
+ printk(KERN_ERR "i2c-algo-pcf.o: i2c_read: i2c_inb, No ack.\n");
return (-1);
}
#endif
if ( (flags & I2C_M_TEN) ) {
/* a ten bit address */
addr = 0xf0 | (( msg->addr >> 7) & 0x03);
- DEB2(printk("addr0: %d\n",addr));
+ DEB2(printk(KERN_DEBUG "addr0: %d\n",addr));
/* try extended address code...*/
ret = try_address(adap, addr, retries);
if (ret!=1) {
- printk("died at extended address code.\n");
+ printk(KERN_ERR "died at extended address code.\n");
return -EREMOTEIO;
}
/* the remaining 8 bit address */
i2c_outb(adap,msg->addr & 0x7f);
/* Status check comes here */
if (ret != 1) {
- printk("died at 2nd address code.\n");
+ printk(KERN_ERR "died at 2nd address code.\n");
return -EREMOTEIO;
}
if ( flags & I2C_M_RD ) {
addr |= 0x01;
ret = try_address(adap, addr, retries);
if (ret!=1) {
- printk("died at extended address code.\n");
+ printk(KERN_ERR "died at extended address code.\n");
return -EREMOTEIO;
}
}
/* Check for bus busy */
timeout = wait_for_bb(adap);
if (timeout) {
- DEB2(printk("i2c-algo-pcf.o: "
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: "
"Timeout waiting for BB in pcf_xfer\n");)
return -EIO;
}
for (i = 0;ret >= 0 && i < num; i++) {
pmsg = &msgs[i];
- DEB2(printk("i2c-algo-pcf.o: Doing %s %d bytes to 0x%02x - %d of %d messages\n",
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: Doing %s %d bytes to 0x%02x - %d of %d messages\n",
pmsg->flags & I2C_M_RD ? "read" : "write",
pmsg->len, pmsg->addr, i + 1, num);)
timeout = wait_for_pin(adap, &status);
if (timeout) {
i2c_stop(adap);
- DEB2(printk("i2c-algo-pcf.o: Timeout waiting "
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: Timeout waiting "
"for PIN(1) in pcf_xfer\n");)
return (-EREMOTEIO);
}
/* Check LRB (last rcvd bit - slave ack) */
if (status & I2C_PCF_LRB) {
i2c_stop(adap);
- DEB2(printk("i2c-algo-pcf.o: No LRB(1) in pcf_xfer\n");)
+ DEB2(printk(KERN_ERR "i2c-algo-pcf.o: No LRB(1) in pcf_xfer\n");)
return (-EREMOTEIO);
}
#endif
- DEB3(printk("i2c-algo-pcf.o: Msg %d, addr=0x%x, flags=0x%x, len=%d\n",
+ DEB3(printk(KERN_DEBUG "i2c-algo-pcf.o: Msg %d, addr=0x%x, flags=0x%x, len=%d\n",
i, msgs[i].addr, msgs[i].flags, msgs[i].len);)
/* Read */
(i + 1 == num));
if (ret != pmsg->len) {
- DEB2(printk("i2c-algo-pcf.o: fail: "
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: fail: "
"only read %d bytes.\n",ret));
} else {
- DEB2(printk("i2c-algo-pcf.o: read %d bytes.\n",ret));
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: read %d bytes.\n",ret));
}
} else { /* Write */
ret = pcf_sendbytes(i2c_adap, pmsg->buf, pmsg->len,
(i + 1 == num));
if (ret != pmsg->len) {
- DEB2(printk("i2c-algo-pcf.o: fail: "
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: fail: "
"only wrote %d bytes.\n",ret));
} else {
- DEB2(printk("i2c-algo-pcf.o: wrote %d bytes.\n",ret));
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: wrote %d bytes.\n",ret));
}
}
}
int i, status;
struct i2c_algo_pcf_data *pcf_adap = adap->algo_data;
- DEB2(printk("i2c-algo-pcf.o: hw routines for %s registered.\n",
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: hw routines for %s registered.\n",
adap->name));
/* register new adapter to i2c module... */
int res;
if ((res = i2c_del_adapter(adap)) < 0)
return res;
- DEB2(printk("i2c-algo-pcf.o: adapter unregistered: %s\n",adap->name));
+ DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: adapter unregistered: %s\n",adap->name));
#ifdef MODULE
MOD_DEC_USE_COUNT;
int __init i2c_algo_pcf_init (void)
{
- printk("i2c-algo-pcf.o: i2c pcf8584 algorithm module\n");
+ printk(KERN_INFO "i2c-algo-pcf.o: i2c pcf8584 algorithm module version %s (%s)\n", I2C_VERSION, I2C_DATE);
return 0;
}
{
int address = ctl ? (base + 1) : base;
- if (ctl && irq) {
+ /* enable irq if any specified for serial operation */
+ if (ctl && irq && (val & I2C_PCF_ESO)) {
val |= I2C_PCF_ENI;
}
- DEB3(printk("i2c-elektor.o: Write 0x%X 0x%02X\n", address, val & 255));
+ DEB3(printk(KERN_DEBUG "i2c-elektor.o: Write 0x%X 0x%02X\n", address, val & 255));
switch (mmapped) {
case 0: /* regular I/O */
int address = ctl ? (base + 1) : base;
int val = mmapped ? readb(address) : inb(address);
- DEB3(printk("i2c-elektor.o: Read 0x%X 0x%02X\n", address, val));
+ DEB3(printk(KERN_DEBUG "i2c-elektor.o: Read 0x%X 0x%02X\n", address, val));
return (val);
}
{
if (!mmapped) {
if (check_region(base, 2) < 0 ) {
- printk("i2c-elektor.o: requested I/O region (0x%X:2) is in use.\n", base);
+ printk(KERN_ERR "i2c-elektor.o: requested I/O region (0x%X:2) is in use.\n", base);
return -ENODEV;
} else {
request_region(base, 2, "i2c (isa bus adapter)");
}
if (irq > 0) {
if (request_irq(irq, pcf_isa_handler, 0, "PCF8584", 0) < 0) {
- printk("i2c-elektor.o: Request irq%d failed\n", irq);
+ printk(KERN_ERR "i2c-elektor.o: Request irq%d failed\n", irq);
irq = 0;
} else
enable_irq(irq);
/* yeap, we've found cypress, let's check config */
if (!pci_read_config_byte(cy693_dev, 0x47, &config)) {
- DEB3(printk("i2c-elektor.o: found cy82c693, config register 0x47 = 0x%02x.\n", config));
+ DEB3(printk(KERN_DEBUG "i2c-elektor.o: found cy82c693, config register 0x47 = 0x%02x.\n", config));
/* UP2000 board has this register set to 0xe1,
but the most significant bit as seems can be
8.25 MHz (PCI/4) clock
(this can be read from cypress) */
clock = I2C_PCF_CLK | I2C_PCF_TRNS90;
- printk("i2c-elektor.o: found API UP2000 like board, will probe PCF8584 later.\n");
+ printk(KERN_INFO "i2c-elektor.o: found API UP2000 like board, will probe PCF8584 later.\n");
}
}
}
/* sanity checks for mmapped I/O */
if (mmapped && base < 0xc8000) {
- printk("i2c-elektor.o: incorrect base address (0x%0X) specified for mmapped I/O.\n", base);
+ printk(KERN_ERR "i2c-elektor.o: incorrect base address (0x%0X) specified for mmapped I/O.\n", base);
return -ENODEV;
}
- printk("i2c-elektor.o: i2c pcf8584-isa adapter module\n");
+ printk(KERN_INFO "i2c-elektor.o: i2c pcf8584-isa adapter module version %s (%s)\n", I2C_VERSION, I2C_DATE);
if (base == 0) {
base = DEFAULT_BASE;
init_waitqueue_head(&pcf_wait);
#endif
if (pcf_isa_init() == 0) {
- if (i2c_pcf_add_bus(&pcf_isa_ops) < 0)
+ if (i2c_pcf_add_bus(&pcf_isa_ops) < 0) {
+ pcf_isa_exit();
return -ENODEV;
+ }
} else {
return -ENODEV;
}
- printk("i2c-elektor.o: found device at %#x.\n", base);
+ printk(KERN_ERR "i2c-elektor.o: found device at %#x.\n", base);
return 0;
}
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
Frodo Looijaard <frodol@dds.nl> */
-/* $Id: i2c-elv.c,v 1.17 2001/07/29 02:44:25 mds Exp $ */
+/* $Id: i2c-elv.c,v 1.21 2001/11/19 18:45:02 mds Exp $ */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/version.h>
#include <linux/init.h>
-
#include <asm/uaccess.h>
-
#include <linux/ioport.h>
#include <asm/io.h>
#include <linux/errno.h>
} else {
/* test for ELV adap. */
if (inb(base+1) & 0x80) { /* BUSY should be high */
- DEBINIT(printk("i2c-elv.o: Busy was low.\n"));
+ DEBINIT(printk(KERN_DEBUG "i2c-elv.o: Busy was low.\n"));
return -ENODEV;
} else {
outb(0x0c,base+2); /* SLCT auf low */
udelay(400);
if ( !(inb(base+1) && 0x10) ) {
outb(0x04,base+2);
- DEBINIT(printk("i2c-elv.o: Select was high.\n"));
+ DEBINIT(printk(KERN_DEBUG "i2c-elv.o: Select was high.\n"));
return -ENODEV;
}
}
int __init i2c_bitelv_init(void)
{
- printk("i2c-elv.o: i2c ELV parallel port adapter module\n");
+ printk(KERN_INFO "i2c-elv.o: i2c ELV parallel port adapter module version %s (%s)\n", I2C_VERSION, I2C_DATE);
if (base==0) {
/* probe some values */
base=DEFAULT_BASE;
return -ENODEV;
}
}
- printk("i2c-elv.o: found device at %#x.\n",base);
+ printk(KERN_DEBUG "i2c-elv.o: found device at %#x.\n",base);
return 0;
}
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
Frodo Looijaard <frodol@dds.nl> */
-/* $Id: i2c-philips-par.c,v 1.18 2000/07/06 19:21:49 frodo Exp $ */
+/* $Id: i2c-philips-par.c,v 1.23 2002/02/06 08:50:58 simon Exp $ */
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/stddef.h>
#include <linux/parport.h>
-
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
struct i2c_par *adapter = kmalloc(sizeof(struct i2c_par),
GFP_KERNEL);
if (!adapter) {
- printk("i2c-philips-par: Unable to malloc.\n");
+ printk(KERN_ERR "i2c-philips-par: Unable to malloc.\n");
return;
}
- printk("i2c-philips-par.o: attaching to %s\n", port->name);
+ printk(KERN_DEBUG "i2c-philips-par.o: attaching to %s\n", port->name);
adapter->pdev = parport_register_device(port, "i2c-philips-par",
NULL, NULL, NULL,
PARPORT_FLAG_EXCL,
NULL);
if (!adapter->pdev) {
- printk("i2c-philips-par: Unable to register with parport.\n");
+ printk(KERN_ERR "i2c-philips-par: Unable to register with parport.\n");
return;
}
adapter->bit_lp_data = type ? bit_lp_data2 : bit_lp_data;
adapter->bit_lp_data.data = port;
+ if (parport_claim_or_block(adapter->pdev) < 0 ) {
+ printk(KERN_ERR "i2c-philips-par: Could not claim parallel port.\n");
+ return;
+ }
/* reset hardware to sane state */
- parport_claim_or_block(adapter->pdev);
bit_lp_setsda(port, 1);
bit_lp_setscl(port, 1);
parport_release(adapter->pdev);
if (i2c_bit_add_bus(&adapter->adapter) < 0)
{
- printk("i2c-philips-par: Unable to register with I2C.\n");
+ printk(KERN_ERR "i2c-philips-par: Unable to register with I2C.\n");
parport_unregister_device(adapter->pdev);
kfree(adapter);
return; /* No good */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,4)
struct parport *port;
#endif
- printk("i2c-philips-par.o: i2c Philips parallel port adapter module\n");
+ printk(KERN_INFO "i2c-philips-par.o: i2c Philips parallel port adapter module version %s (%s)\n", I2C_VERSION, I2C_DATE);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,4)
parport_register_driver(&i2c_driver);
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* ------------------------------------------------------------------------- */
-/* $Id: i2c-velleman.c,v 1.19 2000/01/24 02:06:33 mds Exp $ */
+/* $Id: i2c-velleman.c,v 1.23 2001/11/19 18:45:02 mds Exp $ */
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/string.h> /* for 2.0 kernels to get NULL */
#include <asm/errno.h> /* for 2.0 kernels to get ENODEV */
#include <asm/io.h>
-
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
static int bit_velle_init(void)
{
if (check_region(base,(base == 0x3bc)? 3 : 8) < 0 ) {
- DEBE(printk("i2c-velleman.o: Port %#x already in use.\n",
+ DEBE(printk(KERN_DEBUG "i2c-velleman.o: Port %#x already in use.\n",
base));
return -ENODEV;
} else {
int __init i2c_bitvelle_init(void)
{
- printk("i2c-velleman.o: i2c Velleman K8000 adapter module\n");
+ printk(KERN_INFO "i2c-velleman.o: i2c Velleman K8000 adapter module version %s (%s)\n", I2C_VERSION, I2C_DATE);
if (base==0) {
/* probe some values */
base=DEFAULT_BASE;
return -ENODEV;
}
}
- printk("i2c-velleman.o: found device at %#x.\n",base);
+ printk(KERN_DEBUG "i2c-velleman.o: found device at %#x.\n",base);
return 0;
}
projects / linux / commitdiff