*
* (C) 2000,2001,2002,2003,2004 Omnikey AG
*
- * (C) 2005 Harald Welte <laforge@gnumonks.org>
+ * (C) 2005-2006 Harald Welte <laforge@gnumonks.org>
* - Adhere to Kernel CodingStyle
* - Port to 2.6.13 "new" style PCMCIA
* - Check for copy_{from,to}_user return values
* - Use nonseekable_open()
+ * - add class interface for udev device creation
*
* All rights reserved. Licensed under dual BSD/GPL license.
*/
/* #define ATR_CSUM */
#ifdef PCMCIA_DEBUG
-#define reader_to_dev(x) (&handle_to_dev(x->link.handle))
+#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle))
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0600);
#define DEBUGP(n, rdr, x, args...) do { \
#else
#define DEBUGP(n, rdr, x, args...)
#endif
-static char *version = "cm4000_cs.c v2.4.0gm5 - All bugs added by Harald Welte";
+static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte";
#define T_1SEC (HZ)
#define T_10MSEC msecs_to_jiffies(10)
#define T_100MSEC msecs_to_jiffies(100)
#define T_500MSEC msecs_to_jiffies(500)
-static void cm4000_detach(struct pcmcia_device *p_dev);
-static void cm4000_release(dev_link_t *link);
+static void cm4000_release(struct pcmcia_device *link);
static int major; /* major number we get from the kernel */
#define REG_STOPBITS(x) (x + 7)
struct cm4000_dev {
- dev_link_t link; /* pcmcia link */
+ struct pcmcia_device *p_dev;
dev_node_t node; /* OS node (major,minor) */
unsigned char atr[MAX_ATR];
#define ZERO_DEV(dev) \
memset(&dev->atr_csum,0, \
sizeof(struct cm4000_dev) - \
- /*link*/ sizeof(dev_link_t) - \
+ /*link*/ sizeof(struct pcmcia_device) - \
/*node*/ sizeof(dev_node_t) - \
/*atr*/ MAX_ATR*sizeof(char) - \
/*rbuf*/ 512*sizeof(char) - \
/*sbuf*/ 512*sizeof(char) - \
/*queue*/ 4*sizeof(wait_queue_head_t))
-static dev_info_t dev_info = MODULE_NAME;
-static dev_link_t *dev_table[CM4000_MAX_DEV];
+static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
+static struct class *cmm_class;
/* This table doesn't use spaces after the comma between fields and thus
* violates CodingStyle. However, I don't really think wrapping it around will
static void set_cardparameter(struct cm4000_dev *dev)
{
int i;
- ioaddr_t iobase = dev->link.io.BasePort1;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
u_int8_t stopbits = 0x02; /* ISO default */
DEBUGP(3, dev, "-> set_cardparameter\n");
unsigned short num_bytes_read;
unsigned char pts_reply[4];
ssize_t rc;
- ioaddr_t iobase = dev->link.io.BasePort1;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
rc = 0;
static void monitor_card(unsigned long p)
{
struct cm4000_dev *dev = (struct cm4000_dev *) p;
- ioaddr_t iobase = dev->link.io.BasePort1;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
unsigned short s;
struct ptsreq ptsreq;
int i, atrc;
loff_t *ppos)
{
struct cm4000_dev *dev = filp->private_data;
- ioaddr_t iobase = dev->link.io.BasePort1;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
ssize_t rc;
int i, j, k;
if (count == 0) /* according to manpage */
return 0;
- if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */
+ if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
test_bit(IS_CMM_ABSENT, &dev->flags))
return -ENODEV;
size_t count, loff_t *ppos)
{
struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data;
- ioaddr_t iobase = dev->link.io.BasePort1;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
unsigned short s;
unsigned char tmp;
unsigned char infolen;
sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0;
- if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */
+ if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
test_bit(IS_CMM_ABSENT, &dev->flags))
return -ENODEV;
unsigned long arg)
{
struct cm4000_dev *dev = filp->private_data;
- ioaddr_t iobase = dev->link.io.BasePort1;
- dev_link_t *link;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
+ struct pcmcia_device *link;
int size;
int rc;
void __user *argp = (void __user *)arg;
static int cmm_open(struct inode *inode, struct file *filp)
{
struct cm4000_dev *dev;
- dev_link_t *link;
+ struct pcmcia_device *link;
int rc, minor = iminor(inode);
if (minor >= CM4000_MAX_DEV)
static int cmm_close(struct inode *inode, struct file *filp)
{
struct cm4000_dev *dev;
- dev_link_t *link;
+ struct pcmcia_device *link;
int minor = iminor(inode);
if (minor >= CM4000_MAX_DEV)
return 0;
}
-static void cmm_cm4000_release(dev_link_t * link)
+static void cmm_cm4000_release(struct pcmcia_device * link)
{
struct cm4000_dev *dev = link->priv;
/*==== Interface to PCMCIA Layer =======================================*/
-static void cm4000_config(dev_link_t * link, int devno)
+static int cm4000_config(struct pcmcia_device * link, int devno)
{
- client_handle_t handle = link->handle;
struct cm4000_dev *dev;
tuple_t tuple;
cisparse_t parse;
- config_info_t conf;
u_char buf[64];
int fail_fn, fail_rc;
int rc;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
- if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) {
+ if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) {
fail_fn = GetFirstTuple;
goto cs_failed;
}
- if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) {
+ if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) {
fail_fn = GetTupleData;
goto cs_failed;
}
if ((fail_rc =
- pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) {
+ pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) {
fail_fn = ParseTuple;
goto cs_failed;
}
- if ((fail_rc =
- pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) {
- fail_fn = GetConfigurationInfo;
- goto cs_failed;
- }
- link->state |= DEV_CONFIG;
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
- link->conf.Vcc = conf.Vcc;
link->io.BasePort2 = 0;
link->io.NumPorts2 = 0;
link->io.Attributes2 = 0;
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- for (rc = pcmcia_get_first_tuple(handle, &tuple);
- rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) {
+ for (rc = pcmcia_get_first_tuple(link, &tuple);
+ rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) {
- rc = pcmcia_get_tuple_data(handle, &tuple);
+ rc = pcmcia_get_tuple_data(link, &tuple);
if (rc != CS_SUCCESS)
continue;
- rc = pcmcia_parse_tuple(handle, &tuple, &parse);
+ rc = pcmcia_parse_tuple(link, &tuple, &parse);
if (rc != CS_SUCCESS)
continue;
link->io.IOAddrLines = parse.cftable_entry.io.flags
& CISTPL_IO_LINES_MASK;
- rc = pcmcia_request_io(handle, &link->io);
+ rc = pcmcia_request_io(link, &link->io);
if (rc == CS_SUCCESS)
break; /* we are done */
}
link->conf.IntType = 00000002;
if ((fail_rc =
- pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) {
+ pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) {
fail_fn = RequestConfiguration;
goto cs_release;
}
dev->node.major = major;
dev->node.minor = devno;
dev->node.next = NULL;
- link->dev = &dev->node;
- link->state &= ~DEV_CONFIG_PENDING;
+ link->dev_node = &dev->node;
- return;
+ return 0;
cs_failed:
- cs_error(handle, fail_fn, fail_rc);
+ cs_error(link, fail_fn, fail_rc);
cs_release:
cm4000_release(link);
-
- link->state &= ~DEV_CONFIG_PENDING;
+ return -ENODEV;
}
-static int cm4000_event(event_t event, int priority,
- event_callback_args_t *args)
+static int cm4000_suspend(struct pcmcia_device *link)
{
- dev_link_t *link;
struct cm4000_dev *dev;
- int devno;
- link = args->client_data;
dev = link->priv;
-
- DEBUGP(3, dev, "-> cm4000_event\n");
- for (devno = 0; devno < CM4000_MAX_DEV; devno++)
- if (dev_table[devno] == link)
- break;
-
- if (devno == CM4000_MAX_DEV)
- return CS_BAD_ADAPTER;
-
- switch (event) {
- case CS_EVENT_CARD_INSERTION:
- DEBUGP(5, dev, "CS_EVENT_CARD_INSERTION\n");
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- cm4000_config(link, devno);
- break;
- default:
- DEBUGP(5, dev, "unknown event %.2x\n", event);
- break;
- }
- DEBUGP(3, dev, "<- cm4000_event\n");
- return CS_SUCCESS;
-}
-
-static int cm4000_suspend(struct pcmcia_device *p_dev)
-{
- dev_link_t *link = dev_to_instance(p_dev);
- struct cm4000_dev *dev;
-
- dev = link->priv;
-
- link->state |= DEV_SUSPEND;
- if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
stop_monitor(dev);
return 0;
}
-static int cm4000_resume(struct pcmcia_device *p_dev)
+static int cm4000_resume(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
struct cm4000_dev *dev;
dev = link->priv;
-
- link->state &= ~DEV_SUSPEND;
- if (link->state & DEV_CONFIG)
- pcmcia_request_configuration(link->handle, &link->conf);
-
if (link->open)
start_monitor(dev);
return 0;
}
-static void cm4000_release(dev_link_t *link)
+static void cm4000_release(struct pcmcia_device *link)
{
cmm_cm4000_release(link->priv); /* delay release until device closed */
- pcmcia_release_configuration(link->handle);
- pcmcia_release_io(link->handle, &link->io);
+ pcmcia_disable_device(link);
}
-static dev_link_t *cm4000_attach(void)
+static int cm4000_probe(struct pcmcia_device *link)
{
struct cm4000_dev *dev;
- dev_link_t *link;
- client_reg_t client_reg;
- int i;
+ int i, ret;
for (i = 0; i < CM4000_MAX_DEV; i++)
if (dev_table[i] == NULL)
if (i == CM4000_MAX_DEV) {
printk(KERN_NOTICE MODULE_NAME ": all devices in use\n");
- return NULL;
+ return -ENODEV;
}
/* create a new cm4000_cs device */
dev = kzalloc(sizeof(struct cm4000_dev), GFP_KERNEL);
if (dev == NULL)
- return NULL;
+ return -ENOMEM;
- link = &dev->link;
+ dev->p_dev = link;
link->priv = dev;
link->conf.IntType = INT_MEMORY_AND_IO;
dev_table[i] = link;
- /* register with card services */
- client_reg.dev_info = &dev_info;
- client_reg.EventMask =
- CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
- CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
- CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
-
- i = pcmcia_register_client(&link->handle, &client_reg);
- if (i) {
- cs_error(link->handle, RegisterClient, i);
- cm4000_detach(link->handle);
- return NULL;
- }
-
init_waitqueue_head(&dev->devq);
init_waitqueue_head(&dev->ioq);
init_waitqueue_head(&dev->atrq);
init_waitqueue_head(&dev->readq);
- return link;
+ ret = cm4000_config(link, i);
+ if (ret)
+ return ret;
+
+ class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
+ "cmm%d", i);
+
+ return 0;
}
-static void cm4000_detach(struct pcmcia_device *p_dev)
+static void cm4000_detach(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
struct cm4000_dev *dev = link->priv;
int devno;
if (devno == CM4000_MAX_DEV)
return;
- link->state &= ~DEV_PRESENT;
stop_monitor(dev);
- if (link->state & DEV_CONFIG)
- cm4000_release(link);
+ cm4000_release(link);
dev_table[devno] = NULL;
kfree(dev);
+ class_device_destroy(cmm_class, MKDEV(major, devno));
+
return;
}
.drv = {
.name = "cm4000_cs",
},
- .attach = cm4000_attach,
+ .probe = cm4000_probe,
.remove = cm4000_detach,
.suspend = cm4000_suspend,
.resume = cm4000_resume,
- .event = cm4000_event,
.id_table = cm4000_ids,
};
static int __init cmm_init(void)
{
+ int rc;
+
printk(KERN_INFO "%s\n", version);
- pcmcia_register_driver(&cm4000_driver);
+
+ cmm_class = class_create(THIS_MODULE, "cardman_4000");
+ if (!cmm_class)
+ return -1;
+
+ rc = pcmcia_register_driver(&cm4000_driver);
+ if (rc < 0)
+ return rc;
+
major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
if (major < 0) {
printk(KERN_WARNING MODULE_NAME
printk(KERN_INFO MODULE_NAME ": unloading\n");
pcmcia_unregister_driver(&cm4000_driver);
unregister_chrdev(major, DEVICE_NAME);
+ class_destroy(cmm_class);
};
module_init(cmm_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff