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Commit 555e8cee authored by Albert Cranford's avatar Albert Cranford Committed by Linus Torvalds
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[PATCH] 2.5.23 i2c updates 2/4 

i2c-core.c:Leave LINUX_VERSION in kernel.  Leave i2c_debug=1.  Leave
  CONFIG names as in the kernel.  Remove #ifdef MODULE_LICENSE around
  MODULE_LICENSE.
i2c-dev.c:Remove #ifdef MODULE_LICENSE around MODULE_LICENSE.
  Remove compatibality code for < 2.4.0
i2c-proc.c: Print message on kmalloc failure.  Leave ENOMEM as in kernel.
  Remove #ifdef MODULE_LICENSE around MODULE_LICENSE.  Remove 2.2.19 compat
  code.
parent 3fc6e4a7
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Inline Side-by-side
Showing with 171 additions and 96 deletions
drivers/i2c/i2c-core.c
View file @ 555e8cee
......@@ -20,7 +20,7 @@
/* With some changes from Kysti Mlkki <kmalkki@cc.hut.fi>.
All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl> */
/* $Id: i2c-core.c,v 1.64 2001/08/13 01:35:56 mds Exp $ */
/* $Id: i2c-core.c,v 1.73 2002/03/03 17:37:44 mds Exp $ */
#include <linux/module.h>
#include <linux/kernel.h>
......@@ -28,7 +28,6 @@
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/config.h>
#include <linux/i2c.h>
/* ----- compatibility stuff ----------------------------------------------- */
......@@ -158,7 +157,7 @@ int i2c_add_adapter(struct i2c_adapter *adap)
proc_entry = create_proc_entry(name,0,proc_bus);
if (! proc_entry) {
printk("i2c-core.o: Could not create /proc/bus/%s\n",
printk(KERN_ERR "i2c-core.o: Could not create /proc/bus/%s\n",
name);
res = -ENOENT;
goto ERROR1;
......@@ -188,7 +187,7 @@ int i2c_add_adapter(struct i2c_adapter *adap)
drivers[j]->attach_adapter(adap);
DRV_UNLOCK();
DEB(printk("i2c-core.o: adapter %s registered as adapter %d.\n",
DEB(printk(KERN_DEBUG "i2c-core.o: adapter %s registered as adapter %d.\n",
adap->name,i));
return 0;
......@@ -214,7 +213,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
if (adap == adapters[i])
break;
if (I2C_ADAP_MAX == i) {
printk( "i2c-core.o: unregister_adapter adap [%s] not found.\n",
printk( KERN_WARNING "i2c-core.o: unregister_adapter adap [%s] not found.\n",
adap->name);
res = -ENODEV;
goto ERROR0;
......@@ -229,7 +228,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
for (j = 0; j < I2C_DRIVER_MAX; j++)
if (drivers[j] && (drivers[j]->flags & I2C_DF_DUMMY))
if ((res = drivers[j]->attach_adapter(adap))) {
printk("i2c-core.o: can't detach adapter %s "
printk(KERN_WARNING "i2c-core.o: can't detach adapter %s "
"while detaching driver %s: driver not "
"detached!",adap->name,drivers[j]->name);
goto ERROR1;
......@@ -247,7 +246,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
* must be deleted, as this would cause invalid states.
*/
if ((res=client->driver->detach_client(client))) {
printk("i2c-core.o: adapter %s not "
printk(KERN_ERR "i2c-core.o: adapter %s not "
"unregistered, because client at "
"address %02x can't be detached. ",
adap->name, client->addr);
......@@ -266,7 +265,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
adap_count--;
ADAP_UNLOCK();
DEB(printk("i2c-core.o: adapter unregistered: %s\n",adap->name));
DEB(printk(KERN_DEBUG "i2c-core.o: adapter unregistered: %s\n",adap->name));
return 0;
ERROR0:
......@@ -305,7 +304,7 @@ int i2c_add_driver(struct i2c_driver *driver)
DRV_UNLOCK(); /* driver was successfully added */
DEB(printk("i2c-core.o: driver %s registered.\n",driver->name));
DEB(printk(KERN_DEBUG "i2c-core.o: driver %s registered.\n",driver->name));
ADAP_LOCK();
......@@ -340,7 +339,7 @@ int i2c_del_driver(struct i2c_driver *driver)
* attached. If so, detach them to be able to kill the driver
* afterwards.
*/
DEB2(printk("i2c-core.o: unregister_driver - looking for clients.\n"));
DEB2(printk(KERN_DEBUG "i2c-core.o: unregister_driver - looking for clients.\n"));
/* removing clients does not depend on the notify flag, else
* invalid operation might (will!) result, when using stale client
* pointers.
......@@ -350,7 +349,7 @@ int i2c_del_driver(struct i2c_driver *driver)
struct i2c_adapter *adap = adapters[k];
if (adap == NULL) /* skip empty entries. */
continue;
DEB2(printk("i2c-core.o: examining adapter %s:\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: examining adapter %s:\n",
adap->name));
if (driver->flags & I2C_DF_DUMMY) {
/* DUMMY drivers do not register their clients, so we have to
......@@ -359,7 +358,7 @@ int i2c_del_driver(struct i2c_driver *driver)
* this or hell will break loose...
*/
if ((res = driver->attach_adapter(adap))) {
printk("i2c-core.o: while unregistering "
printk(KERN_WARNING "i2c-core.o: while unregistering "
"dummy driver %s, adapter %s could "
"not be detached properly; driver "
"not unloaded!",driver->name,
......@@ -378,7 +377,7 @@ int i2c_del_driver(struct i2c_driver *driver)
if ((res = driver->
detach_client(client)))
{
printk("i2c-core.o: while "
printk(KERN_ERR "i2c-core.o: while "
"unregistering driver "
"`%s', the client at "
"address %02x of "
......@@ -400,7 +399,7 @@ int i2c_del_driver(struct i2c_driver *driver)
driver_count--;
DRV_UNLOCK();
DEB(printk("i2c-core.o: driver unregistered: %s\n",driver->name));
DEB(printk(KERN_DEBUG "i2c-core.o: driver unregistered: %s\n",driver->name));
return 0;
}
......@@ -436,10 +435,10 @@ int i2c_attach_client(struct i2c_client *client)
if (adapter->client_register)
if (adapter->client_register(client))
printk("i2c-core.o: warning: client_register seems "
printk(KERN_DEBUG "i2c-core.o: warning: client_register seems "
"to have failed for client %02x at adapter %s\n",
client->addr,adapter->name);
DEB(printk("i2c-core.o: client [%s] registered to adapter [%s](pos. %d).\n",
DEB(printk(KERN_DEBUG "i2c-core.o: client [%s] registered to adapter [%s](pos. %d).\n",
client->name, adapter->name,i));
if(client->flags & I2C_CLIENT_ALLOW_USE)
......@@ -470,7 +469,7 @@ int i2c_detach_client(struct i2c_client *client)
if (adapter->client_unregister != NULL)
if ((res = adapter->client_unregister(client))) {
printk("i2c-core.o: client_unregister [%s] failed, "
printk(KERN_ERR "i2c-core.o: client_unregister [%s] failed, "
"client not detached",client->name);
return res;
}
......@@ -478,7 +477,7 @@ int i2c_detach_client(struct i2c_client *client)
adapter->clients[i] = NULL;
adapter->client_count--;
DEB(printk("i2c-core.o: client [%s] unregistered.\n",client->name));
DEB(printk(KERN_DEBUG "i2c-core.o: client [%s] unregistered.\n",client->name));
return 0;
}
......@@ -659,12 +658,12 @@ ssize_t i2cproc_bus_read(struct file * file, char * buf,size_t count,
int i,j,k,order_nr,len=0,len_total;
int order[I2C_CLIENT_MAX];
if (count > 4000)
if (count > 4096)
return -EINVAL;
len_total = file->f_pos + count;
/* Too bad if this gets longer (unlikely) */
if (len_total > 4000)
len_total = 4000;
if (len_total > 4096)
len_total = 4096;
for (i = 0; i < I2C_ADAP_MAX; i++)
if (adapters[i]->inode == inode->i_ino) {
/* We need a bit of slack in the kernel buffer; this makes the
......@@ -720,13 +719,13 @@ int i2cproc_init(void)
i2cproc_initialized = 0;
if (! proc_bus) {
printk("i2c-core.o: /proc/bus/ does not exist");
printk(KERN_ERR "i2c-core.o: /proc/bus/ does not exist");
i2cproc_cleanup();
return -ENOENT;
}
proc_bus_i2c = create_proc_entry("i2c",0,proc_bus);
if (!proc_bus_i2c) {
printk("i2c-core.o: Could not create /proc/bus/i2c");
printk(KERN_ERR "i2c-core.o: Could not create /proc/bus/i2c");
i2cproc_cleanup();
return -ENOENT;
}
......@@ -763,7 +762,7 @@ int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg msgs[],int num)
int ret;
if (adap->algo->master_xfer) {
DEB2(printk("i2c-core.o: master_xfer: %s with %d msgs.\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: master_xfer: %s with %d msgs.\n",
adap->name,num));
I2C_LOCK(adap);
......@@ -772,7 +771,7 @@ int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg msgs[],int num)
return ret;
} else {
printk("i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
printk(KERN_ERR "i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
adap->id);
return -ENOSYS;
}
......@@ -790,7 +789,7 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
msg.len = count;
(const char *)msg.buf = buf;
DEB2(printk("i2c-core.o: master_send: writing %d bytes on %s.\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: master_send: writing %d bytes on %s.\n",
count,client->adapter->name));
I2C_LOCK(adap);
......@@ -802,7 +801,7 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
*/
return (ret == 1 )? count : ret;
} else {
printk("i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
printk(KERN_ERR "i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
client->adapter->id);
return -ENOSYS;
}
......@@ -820,14 +819,14 @@ int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
msg.len = count;
msg.buf = buf;
DEB2(printk("i2c-core.o: master_recv: reading %d bytes on %s.\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: master_recv: reading %d bytes on %s.\n",
count,client->adapter->name));
I2C_LOCK(adap);
ret = adap->algo->master_xfer(adap,&msg,1);
I2C_UNLOCK(adap);
DEB2(printk("i2c-core.o: master_recv: return:%d (count:%d, addr:0x%02x)\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: master_recv: return:%d (count:%d, addr:0x%02x)\n",
ret, count, client->addr));
/* if everything went ok (i.e. 1 msg transmitted), return #bytes
......@@ -835,7 +834,7 @@ int i2c_master_recv(struct i2c_client *client, char *buf ,int count)
*/
return (ret == 1 )? count : ret;
} else {
printk("i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
printk(KERN_DEBUG "i2c-core.o: I2C adapter %04x: I2C level transfers not supported\n",
client->adapter->id);
return -ENOSYS;
}
......@@ -848,7 +847,7 @@ int i2c_control(struct i2c_client *client,
int ret = 0;
struct i2c_adapter *adap = client->adapter;
DEB2(printk("i2c-core.o: i2c ioctl, cmd: 0x%x, arg: %#lx\n", cmd, arg));
DEB2(printk(KERN_DEBUG "i2c-core.o: i2c ioctl, cmd: 0x%x, arg: %#lx\n", cmd, arg));
switch ( cmd ) {
case I2C_RETRIES:
adap->retries = arg;
......@@ -893,7 +892,7 @@ int i2c_probe(struct i2c_adapter *adapter,
if (((adap_id == address_data->force[i]) ||
(address_data->force[i] == ANY_I2C_BUS)) &&
(addr == address_data->force[i+1])) {
DEB2(printk("i2c-core.o: found force parameter for adapter %d, addr %04x\n",
DEB2(printk(KERN_DEBUG "i2c-core.o: found force parameter for adapter %d, addr %04x\n",
adap_id,addr));
if ((err = found_proc(adapter,addr,0,0)))
return err;
......@@ -911,7 +910,7 @@ int i2c_probe(struct i2c_adapter *adapter,
if (((adap_id == address_data->ignore[i]) ||
((address_data->ignore[i] == ANY_I2C_BUS))) &&
(addr == address_data->ignore[i+1])) {
DEB2(printk("i2c-core.o: found ignore parameter for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found ignore parameter for adapter %d, "
"addr %04x\n", adap_id ,addr));
found = 1;
}
......@@ -923,7 +922,7 @@ int i2c_probe(struct i2c_adapter *adapter,
((address_data->ignore_range[i]==ANY_I2C_BUS))) &&
(addr >= address_data->ignore_range[i+1]) &&
(addr <= address_data->ignore_range[i+2])) {
DEB2(printk("i2c-core.o: found ignore_range parameter for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found ignore_range parameter for adapter %d, "
"addr %04x\n", adap_id,addr));
found = 1;
}
......@@ -938,7 +937,7 @@ int i2c_probe(struct i2c_adapter *adapter,
i += 1) {
if (addr == address_data->normal_i2c[i]) {
found = 1;
DEB2(printk("i2c-core.o: found normal i2c entry for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found normal i2c entry for adapter %d, "
"addr %02x", adap_id,addr));
}
}
......@@ -949,7 +948,7 @@ int i2c_probe(struct i2c_adapter *adapter,
if ((addr >= address_data->normal_i2c_range[i]) &&
(addr <= address_data->normal_i2c_range[i+1])) {
found = 1;
DEB2(printk("i2c-core.o: found normal i2c_range entry for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found normal i2c_range entry for adapter %d, "
"addr %04x\n", adap_id,addr));
}
}
......@@ -961,7 +960,7 @@ int i2c_probe(struct i2c_adapter *adapter,
((address_data->probe[i] == ANY_I2C_BUS))) &&
(addr == address_data->probe[i+1])) {
found = 1;
DEB2(printk("i2c-core.o: found probe parameter for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found probe parameter for adapter %d, "
"addr %04x\n", adap_id,addr));
}
}
......@@ -973,7 +972,7 @@ int i2c_probe(struct i2c_adapter *adapter,
(addr >= address_data->probe_range[i+1]) &&
(addr <= address_data->probe_range[i+2])) {
found = 1;
DEB2(printk("i2c-core.o: found probe_range parameter for adapter %d, "
DEB2(printk(KERN_DEBUG "i2c-core.o: found probe_range parameter for adapter %d, "
"addr %04x\n", adap_id,addr));
}
}
......@@ -1110,6 +1109,23 @@ extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
I2C_SMBUS_BLOCK_DATA,&data);
}
/* Returns the number of read bytes */
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
u8 command, u8 *values)
{
union i2c_smbus_data data;
int i;
if (i2c_smbus_xfer(client->adapter,client->addr,client->flags,
I2C_SMBUS_READ,command,
I2C_SMBUS_I2C_BLOCK_DATA,&data))
return -1;
else {
for (i = 1; i <= data.block[0]; i++)
values[i-1] = data.block[i];
return data.block[0];
}
}
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length, u8 *values)
{
......@@ -1185,23 +1201,38 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
break;
case I2C_SMBUS_BLOCK_DATA:
if (read_write == I2C_SMBUS_READ) {
printk("i2c-core.o: Block read not supported under "
printk(KERN_ERR "i2c-core.o: Block read not supported under "
"I2C emulation!\n");
return -1;
} else {
msg[0].len = data->block[0] + 2;
if (msg[0].len > 34) {
printk("i2c-core.o: smbus_access called with "
printk(KERN_ERR "i2c-core.o: smbus_access called with "
"invalid block write size (%d)\n",
msg[0].len);
data->block[0]);
return -1;
}
for (i = 1; i <= msg[0].len; i++)
msgbuf0[i] = data->block[i-1];
}
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
if (read_write == I2C_SMBUS_READ) {
msg[1].len = 32;
} else {
msg[0].len = data->block[0] + 2;
if (msg[0].len > 34) {
printk("i2c-core.o: i2c_smbus_xfer_emulated called with "
"invalid block write size (%d)\n",
data->block[0]);
return -1;
}
for (i = 0; i < data->block[0]; i++)
msgbuf0[i] = data->block[i+1];
}
break;
default:
printk("i2c-core.o: smbus_access called with invalid size (%d)\n",
printk(KERN_ERR "i2c-core.o: smbus_access called with invalid size (%d)\n",
size);
return -1;
}
......@@ -1221,6 +1252,12 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
case I2C_SMBUS_PROC_CALL:
data->word = msgbuf1[0] | (msgbuf1[1] << 8);
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
/* fixed at 32 for now */
data->block[0] = 32;
for (i = 0; i < 32; i++)
data->block[i+1] = msgbuf1[i];
break;
}
return 0;
}
......@@ -1263,7 +1300,7 @@ int i2c_check_functionality (struct i2c_adapter *adap, u32 func)
static int __init i2c_init(void)
{
printk("i2c-core.o: i2c core module\n");
printk(KERN_INFO "i2c-core.o: i2c core module version %s (%s)\n", I2C_VERSION, I2C_DATE);
memset(adapters,0,sizeof(adapters));
memset(drivers,0,sizeof(drivers));
adap_count=0;
......@@ -1401,6 +1438,8 @@ EXPORT_SYMBOL(i2c_smbus_write_word_data);
EXPORT_SYMBOL(i2c_smbus_process_call);
EXPORT_SYMBOL(i2c_smbus_read_block_data);
EXPORT_SYMBOL(i2c_smbus_write_block_data);
EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data);
EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data);
EXPORT_SYMBOL(i2c_get_functionality);
EXPORT_SYMBOL(i2c_check_functionality);
......
drivers/i2c/i2c-dev.c
View file @ 555e8cee
......@@ -28,7 +28,7 @@
/* The devfs code is contributed by Philipp Matthias Hahn
<pmhahn@titan.lahn.de> */
/* $Id: i2c-dev.c,v 1.40 2001/08/25 01:28:01 mds Exp $ */
/* $Id: i2c-dev.c,v 1.44 2001/11/19 18:45:02 mds Exp $ */
#include <linux/config.h>
#include <linux/kernel.h>
......@@ -49,7 +49,6 @@
#include <linux/init.h>
#include <asm/uaccess.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
......@@ -140,7 +139,7 @@ loff_t i2cdev_lseek (struct file *file, loff_t offset, int origin)
{
#ifdef DEBUG
struct inode *inode = file->f_dentry->d_inode;
printk("i2c-dev.o: i2c-%d lseek to %ld bytes relative to %d.\n",
printk(KERN_DEBUG "i2c-dev.o: i2c-%d lseek to %ld bytes relative to %d.\n",
minor(inode->i_rdev),(long) offset,origin);
#endif /* DEBUG */
return -ESPIPE;
......@@ -165,7 +164,7 @@ static ssize_t i2cdev_read (struct file *file, char *buf, size_t count,
return -ENOMEM;
#ifdef DEBUG
printk("i2c-dev.o: i2c-%d reading %d bytes.\n",minor(inode->i_rdev),
printk(KERN_DEBUG "i2c-dev.o: i2c-%d reading %d bytes.\n",minor(inode->i_rdev),
count);
#endif
......@@ -197,7 +196,7 @@ static ssize_t i2cdev_write (struct file *file, const char *buf, size_t count,
}
#ifdef DEBUG
printk("i2c-dev.o: i2c-%d writing %d bytes.\n",minor(inode->i_rdev),
printk(KERN_DEBUG "i2c-dev.o: i2c-%d writing %d bytes.\n",minor(inode->i_rdev),
count);
#endif
ret = i2c_master_send(client,tmp,count);
......@@ -217,7 +216,7 @@ int i2cdev_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
unsigned long funcs;
#ifdef DEBUG
printk("i2c-dev.o: i2c-%d ioctl, cmd: 0x%x, arg: %lx.\n",
printk(KERN_DEBUG "i2c-dev.o: i2c-%d ioctl, cmd: 0x%x, arg: %lx.\n",
minor(inode->i_rdev),cmd, arg);
#endif /* DEBUG */
......@@ -315,7 +314,7 @@ int i2cdev_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
(data_arg.size != I2C_SMBUS_BLOCK_DATA) &&
(data_arg.size != I2C_SMBUS_I2C_BLOCK_DATA)) {
#ifdef DEBUG
printk("i2c-dev.o: size out of range (%x) in ioctl I2C_SMBUS.\n",
printk(KERN_DEBUG "i2c-dev.o: size out of range (%x) in ioctl I2C_SMBUS.\n",
data_arg.size);
#endif
return -EINVAL;
......@@ -325,7 +324,7 @@ int i2cdev_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
if ((data_arg.read_write != I2C_SMBUS_READ) &&
(data_arg.read_write != I2C_SMBUS_WRITE)) {
#ifdef DEBUG
printk("i2c-dev.o: read_write out of range (%x) in ioctl I2C_SMBUS.\n",
printk(KERN_DEBUG "i2c-dev.o: read_write out of range (%x) in ioctl I2C_SMBUS.\n",
data_arg.read_write);
#endif
return -EINVAL;
......@@ -345,7 +344,7 @@ int i2cdev_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
if (data_arg.data == NULL) {
#ifdef DEBUG
printk("i2c-dev.o: data is NULL pointer in ioctl I2C_SMBUS.\n");
printk(KERN_DEBUG "i2c-dev.o: data is NULL pointer in ioctl I2C_SMBUS.\n");
#endif
return -EINVAL;
}
......@@ -387,7 +386,7 @@ int i2cdev_open (struct inode *inode, struct file *file)
if ((minor >= I2CDEV_ADAPS_MAX) || ! (i2cdev_adaps[minor])) {
#ifdef DEBUG
printk("i2c-dev.o: Trying to open unattached adapter i2c-%d\n",
printk(KERN_DEBUG "i2c-dev.o: Trying to open unattached adapter i2c-%d\n",
minor);
#endif
return -ENODEV;
......@@ -408,7 +407,7 @@ int i2cdev_open (struct inode *inode, struct file *file)
#endif /* LINUX_KERNEL_VERSION < KERNEL_VERSION(2,4,0) */
#ifdef DEBUG
printk("i2c-dev.o: opened i2c-%d\n",minor);
printk(KERN_DEBUG "i2c-dev.o: opened i2c-%d\n",minor);
#endif
return 0;
}
......@@ -419,13 +418,18 @@ static int i2cdev_release (struct inode *inode, struct file *file)
kfree(file->private_data);
file->private_data=NULL;
#ifdef DEBUG
printk("i2c-dev.o: Closed: i2c-%d\n", minor);
printk(KERN_DEBUG "i2c-dev.o: Closed: i2c-%d\n", minor);
#endif
#if LINUX_KERNEL_VERSION < KERNEL_VERSION(2,4,0)
MOD_DEC_USE_COUNT;
#else /* LINUX_KERNEL_VERSION >= KERNEL_VERSION(2,4,0) */
lock_kernel();
#endif /* LINUX_KERNEL_VERSION < KERNEL_VERSION(2,4,0) */
if (i2cdev_adaps[minor]->dec_use)
i2cdev_adaps[minor]->dec_use(i2cdev_adaps[minor]);
#if LINUX_KERNEL_VERSION >= KERNEL_VERSION(2,4,0)
unlock_kernel();
#endif /* LINUX_KERNEL_VERSION >= KERNEL_VERSION(2,4,0) */
return 0;
}
......@@ -435,11 +439,11 @@ int i2cdev_attach_adapter(struct i2c_adapter *adap)
char name[8];
if ((i = i2c_adapter_id(adap)) < 0) {
printk("i2c-dev.o: Unknown adapter ?!?\n");
printk(KERN_DEBUG "i2c-dev.o: Unknown adapter ?!?\n");
return -ENODEV;
}
if (i >= I2CDEV_ADAPS_MAX) {
printk("i2c-dev.o: Adapter number too large?!? (%d)\n",i);
printk(KERN_DEBUG "i2c-dev.o: Adapter number too large?!? (%d)\n",i);
return -ENODEV;
}
......@@ -452,7 +456,7 @@ int i2cdev_attach_adapter(struct i2c_adapter *adap)
S_IFCHR | S_IRUSR | S_IWUSR,
&i2cdev_fops, NULL);
#endif
printk("i2c-dev.o: Registered '%s' as minor %d\n",adap->name,i);
printk(KERN_DEBUG "i2c-dev.o: Registered '%s' as minor %d\n",adap->name,i);
} else {
/* This is actually a detach_adapter call! */
#ifdef CONFIG_DEVFS_FS
......@@ -460,7 +464,7 @@ int i2cdev_attach_adapter(struct i2c_adapter *adap)
#endif
i2cdev_adaps[i] = NULL;
#ifdef DEBUG
printk("i2c-dev.o: Adapter unregistered: %s\n",adap->name);
printk(KERN_DEBUG "i2c-dev.o: Adapter unregistered: %s\n",adap->name);
#endif
}
......@@ -482,7 +486,7 @@ int __init i2c_dev_init(void)
{
int res;
printk("i2c-dev.o: i2c /dev entries driver module\n");
printk(KERN_INFO "i2c-dev.o: i2c /dev entries driver module version %s (%s)\n", I2C_VERSION, I2C_DATE);
i2cdev_initialized = 0;
#ifdef CONFIG_DEVFS_FS
......@@ -490,7 +494,7 @@ int __init i2c_dev_init(void)
#else
if (register_chrdev(I2C_MAJOR,"i2c",&i2cdev_fops)) {
#endif
printk("i2c-dev.o: unable to get major %d for i2c bus\n",
printk(KERN_ERR "i2c-dev.o: unable to get major %d for i2c bus\n",
I2C_MAJOR);
return -EIO;
}
......@@ -500,7 +504,7 @@ int __init i2c_dev_init(void)
i2cdev_initialized ++;
if ((res = i2c_add_driver(&i2cdev_driver))) {
printk("i2c-dev.o: Driver registration failed, module not inserted.\n");
printk(KERN_ERR "i2c-dev.o: Driver registration failed, module not inserted.\n");
i2cdev_cleanup();
return res;
}
......@@ -514,7 +518,7 @@ int i2cdev_cleanup(void)
if (i2cdev_initialized >= 2) {
if ((res = i2c_del_driver(&i2cdev_driver))) {
printk("i2c-dev.o: Driver deregistration failed, "
printk(KERN_ERR "i2c-dev.o: Driver deregistration failed, "
"module not removed.\n");
return res;
}
......@@ -528,7 +532,7 @@ int i2cdev_cleanup(void)
#else
if ((res = unregister_chrdev(I2C_MAJOR,"i2c"))) {
#endif
printk("i2c-dev.o: unable to release major %d for i2c bus\n",
printk(KERN_ERR "i2c-dev.o: unable to release major %d for i2c bus\n",
I2C_MAJOR);
return res;
}
......
drivers/i2c/i2c-proc.c
View file @ 555e8cee
......@@ -32,16 +32,10 @@
#include <linux/proc_fs.h>
#include <linux/ioport.h>
#include <asm/uaccess.h>
#include <linux/i2c.h>
#include <linux/i2c-proc.h>
#include <linux/init.h>
/* FIXME need i2c versioning */
#define LM_DATE "20010825"
#define LM_VERSION "2.6.1"
#ifndef THIS_MODULE
#define THIS_MODULE NULL
#endif
......@@ -175,6 +169,7 @@ int i2c_register_entry(struct i2c_client *client, const char *prefix,
new_table[i].extra2 = client;
if (!(new_header = register_sysctl_table(new_table, 0))) {
printk(KERN_ERR "i2c-proc.o: error: sysctl interface not supported by kernel!\n");
kfree(new_table);
kfree(name);
return -ENOMEM;
......@@ -189,7 +184,7 @@ int i2c_register_entry(struct i2c_client *client, const char *prefix,
!new_header->ctl_table->child->child ||
!new_header->ctl_table->child->child->de) {
printk
("i2c-proc.o: NULL pointer when trying to install fill_inode fix!\n");
(KERN_ERR "i2c-proc.o: NULL pointer when trying to install fill_inode fix!\n");
return id;
}
#endif /* DEBUG */
......@@ -629,7 +624,7 @@ int i2c_detect(struct i2c_adapter *adapter,
&& (addr == this_force->force[j + 1])) {
#ifdef DEBUG
printk
("i2c-proc.o: found force parameter for adapter %d, addr %04x\n",
(KERN_DEBUG "i2c-proc.o: found force parameter for adapter %d, addr %04x\n",
adapter_id, addr);
#endif
if (
......@@ -659,7 +654,7 @@ int i2c_detect(struct i2c_adapter *adapter,
&& (addr == address_data->ignore[i + 1])) {
#ifdef DEBUG
printk
("i2c-proc.o: found ignore parameter for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found ignore parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1;
......@@ -679,7 +674,7 @@ int i2c_detect(struct i2c_adapter *adapter,
&& (addr <= address_data->ignore_range[i + 2])) {
#ifdef DEBUG
printk
("i2c-proc.o: found ignore_range parameter for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found ignore_range parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1;
......@@ -698,7 +693,7 @@ int i2c_detect(struct i2c_adapter *adapter,
if (addr == address_data->normal_isa[i]) {
#ifdef DEBUG
printk
("i2c-proc.o: found normal isa entry for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found normal isa entry for adapter %d, "
"addr %04x\n", adapter_id,
addr);
#endif
......@@ -720,7 +715,7 @@ int i2c_detect(struct i2c_adapter *adapter,
0)) {
#ifdef DEBUG
printk
("i2c-proc.o: found normal isa_range entry for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found normal isa_range entry for adapter %d, "
"addr %04x", adapter_id, addr);
#endif
found = 1;
......@@ -734,7 +729,7 @@ int i2c_detect(struct i2c_adapter *adapter,
found = 1;
#ifdef DEBUG
printk
("i2c-proc.o: found normal i2c entry for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found normal i2c entry for adapter %d, "
"addr %02x", adapter_id, addr);
#endif
}
......@@ -750,7 +745,7 @@ int i2c_detect(struct i2c_adapter *adapter,
{
#ifdef DEBUG
printk
("i2c-proc.o: found normal i2c_range entry for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found normal i2c_range entry for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1;
......@@ -767,7 +762,7 @@ int i2c_detect(struct i2c_adapter *adapter,
&& (addr == address_data->probe[i + 1])) {
#ifdef DEBUG
printk
("i2c-proc.o: found probe parameter for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found probe parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
found = 1;
......@@ -786,7 +781,7 @@ int i2c_detect(struct i2c_adapter *adapter,
found = 1;
#ifdef DEBUG
printk
("i2c-proc.o: found probe_range parameter for adapter %d, "
(KERN_DEBUG "i2c-proc.o: found probe_range parameter for adapter %d, "
"addr %04x\n", adapter_id, addr);
#endif
}
......@@ -807,11 +802,14 @@ int i2c_detect(struct i2c_adapter *adapter,
int __init sensors_init(void)
{
printk("i2c-proc.o version %s (%s)\n", LM_VERSION, LM_DATE);
printk(KERN_INFO "i2c-proc.o version %s (%s)\n", I2C_VERSION, I2C_DATE);
i2c_initialized = 0;
if (!
(i2c_proc_header =
register_sysctl_table(i2c_proc, 0))) return -ENOMEM;
register_sysctl_table(i2c_proc, 0))) {
printk(KERN_ERR "i2c-proc.o: error: sysctl interface not supported by kernel!\n");
return -EPERM;
}
i2c_proc_header->ctl_table->child->de->owner = THIS_MODULE;
i2c_initialized++;
return 0;
......@@ -847,4 +845,5 @@ int cleanup_module(void)
{
return i2c_cleanup();
}
#endif /* MODULE */
include/linux/i2c-dev.h
View file @ 555e8cee
......@@ -19,7 +19,7 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: i2c-dev.h,v 1.9 2001/08/15 03:04:58 mds Exp $ */
/* $Id: i2c-dev.h,v 1.10 2001/11/19 19:01:46 mds Exp $ */
#ifndef I2C_DEV_H
#define I2C_DEV_H
......@@ -162,6 +162,22 @@ static inline __s32 i2c_smbus_write_block_data(int file, __u8 command,
I2C_SMBUS_BLOCK_DATA, &data);
}
/* Returns the number of read bytes */
static inline __s32 i2c_smbus_read_i2c_block_data(int file, __u8 command,
__u8 *values)
{
union i2c_smbus_data data;
int i;
if (i2c_smbus_access(file,I2C_SMBUS_READ,command,
I2C_SMBUS_I2C_BLOCK_DATA,&data))
return -1;
else {
for (i = 1; i <= data.block[0]; i++)
values[i-1] = data.block[i];
return data.block[0];
}
}
static inline __s32 i2c_smbus_write_i2c_block_data(int file, __u8 command,
__u8 length, __u8 *values)
{
......
include/linux/i2c-id.h
View file @ 555e8cee
......@@ -20,7 +20,7 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* ------------------------------------------------------------------------- */
/* $Id: i2c-id.h,v 1.35 2001/08/12 17:22:20 mds Exp $ */
/* $Id: i2c-id.h,v 1.41 2002/03/11 07:18:55 simon Exp $ */
#ifndef I2C_ID_H
#define I2C_ID_H
......@@ -90,6 +90,10 @@
#define I2C_DRIVERID_DRP3510 43 /* ADR decoder (Astra Radio) */
#define I2C_DRIVERID_SP5055 44 /* Satellite tuner */
#define I2C_DRIVERID_STV0030 45 /* Multipurpose switch */
#define I2C_DRIVERID_SAA7108 46 /* video decoder, image scaler */
#define I2C_DRIVERID_EXP0 0xF0 /* experimental use id's */
#define I2C_DRIVERID_EXP1 0xF1
......@@ -127,6 +131,9 @@
#define I2C_DRIVERID_ADM1024 1025
#define I2C_DRIVERID_IT87 1026
#define I2C_DRIVERID_CH700X 1027 /* single driver for CH7003-7009 digital pc to tv encoders */
#define I2C_DRIVERID_FSCPOS 1028
#define I2C_DRIVERID_FSCSCY 1029
#define I2C_DRIVERID_PCF8591 1030
/*
* ---- Adapter types ----------------------------------------------------
......@@ -143,7 +150,8 @@
#define I2C_ALGO_ISA 0x050000 /* lm_sensors ISA pseudo-adapter */
#define I2C_ALGO_SAA7146 0x060000 /* SAA 7146 video decoder bus */
#define I2C_ALGO_ACB 0x070000 /* ACCESS.bus algorithm */
#define I2C_ALGO_IIC 0x080000 /* ITE IIC bus */
#define I2C_ALGO_SAA7134 0x090000
#define I2C_ALGO_EC 0x100000 /* ACPI embedded controller */
#define I2C_ALGO_MPC8XX 0x110000 /* MPC8xx PowerPC I2C algorithm */
......@@ -189,6 +197,9 @@
/* --- MPC8xx PowerPC adapters */
#define I2C_HW_MPC8XX_EPON 0x00 /* Eponymous MPC8xx I2C adapter */
/* --- ITE based algorithms */
#define I2C_HW_I_IIC 0x00 /* controller on the ITE */
/* --- SMBus only adapters */
#define I2C_HW_SMBUS_PIIX4 0x00
#define I2C_HW_SMBUS_ALI15X3 0x01
......
include/linux/i2c-proc.h
View file @ 555e8cee
/*
sensors.h - Part of lm_sensors, Linux kernel modules for hardware
monitoring
i2c-proc.h - Part of the i2c package
was originally sensors.h - Part of lm_sensors, Linux kernel modules
for hardware monitoring
Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
This program is free software; you can redistribute it and/or modify
......
include/linux/i2c.h
View file @ 555e8cee
......@@ -23,13 +23,13 @@
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
Frodo Looijaard <frodol@dds.nl> */
/* $Id: i2c.h,v 1.46 2001/08/31 00:04:07 phil Exp $ */
/* $Id: i2c.h,v 1.50 2002/03/23 00:53:38 phil Exp $ */
#ifndef I2C_H
#define I2C_H
#define I2C_DATE "20010830"
#define I2C_VERSION "2.6.1"
#define I2C_DATE "20020322"
#define I2C_VERSION "2.6.3"
#include <linux/i2c-id.h> /* id values of adapters et. al. */
#include <linux/types.h>
......@@ -48,11 +48,8 @@ struct i2c_msg;
#endif
#include <asm/page.h> /* for 2.2.xx */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,0,25)
#include <linux/sched.h>
#else
#include <asm/semaphore.h>
#endif
#include <linux/config.h>
/* --- General options ------------------------------------------------ */
......@@ -123,6 +120,8 @@ extern s32 i2c_smbus_read_block_data(struct i2c_client * client,
extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
u8 command, u8 length,
u8 *values);
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
u8 command, u8 *values);
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length,
u8 *values);
......@@ -406,8 +405,10 @@ struct i2c_msg {
#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* New I2C-like block */
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* transfer */
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
#define I2C_FUNC_SMBUS_BYTE I2C_FUNC_SMBUS_READ_BYTE | \
I2C_FUNC_SMBUS_WRITE_BYTE
......@@ -419,13 +420,17 @@ struct i2c_msg {
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA
#define I2C_FUNC_SMBUS_I2C_BLOCK I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK
#define I2C_FUNC_SMBUS_I2C_BLOCK_2 I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2
#define I2C_FUNC_SMBUS_EMUL I2C_FUNC_SMBUS_QUICK | \
I2C_FUNC_SMBUS_BYTE | \
I2C_FUNC_SMBUS_BYTE_DATA | \
I2C_FUNC_SMBUS_WORD_DATA | \
I2C_FUNC_SMBUS_PROC_CALL | \
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA
I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
I2C_FUNC_SMBUS_I2C_BLOCK | \
I2C_FUNC_SMBUS_I2C_BLOCK_2
/*
* Data for SMBus Messages
......
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