*
* (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(dev_link_t *link);
static void cm4000_release(dev_link_t *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];
/*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 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 ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket 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 ((dev->p_dev->state & DEV_PRESENT) == 0 || /* socket 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;
+ ioaddr_t iobase = dev->p_dev->io.BasePort1;
dev_link_t *link;
int size;
int rc;
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;
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;
dev->node.major = major;
dev->node.minor = devno;
dev->node.next = NULL;
- link->dev = &dev->node;
+ link->dev_node = &dev->node;
link->state &= ~DEV_CONFIG_PENDING;
return;
link->state &= ~DEV_CONFIG_PENDING;
}
-static int cm4000_event(event_t event, int priority,
- event_callback_args_t *args)
-{
- 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;
- case CS_EVENT_CARD_REMOVAL:
- DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n");
- link->state &= ~DEV_PRESENT;
- stop_monitor(dev);
- 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;
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);
static void cm4000_release(dev_link_t *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->handle);
}
-static dev_link_t *cm4000_attach(void)
+static int cm4000_attach(struct pcmcia_device *p_dev)
{
struct cm4000_dev *dev;
- dev_link_t *link;
- client_reg_t client_reg;
int i;
+ dev_link_t *link = dev_to_instance(p_dev);
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 = p_dev;
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);
- return NULL;
- }
-
init_waitqueue_head(&dev->devq);
init_waitqueue_head(&dev->ioq);
init_waitqueue_head(&dev->atrq);
init_waitqueue_head(&dev->readq);
- return link;
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ cm4000_config(link, i);
+
+ class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
+ "cmm%d", i);
+
+ return 0;
}
-static void cm4000_detach_by_devno(int devno, dev_link_t * link)
+static void cm4000_detach(struct pcmcia_device *p_dev)
{
+ dev_link_t *link = dev_to_instance(p_dev);
struct cm4000_dev *dev = link->priv;
+ int devno;
- DEBUGP(3, dev, "-> detach_by_devno(devno=%d)\n", devno);
+ /* find device */
+ for (devno = 0; devno < CM4000_MAX_DEV; devno++)
+ if (dev_table[devno] == link)
+ break;
+ if (devno == CM4000_MAX_DEV)
+ return;
- if (link->state & DEV_CONFIG) {
- DEBUGP(5, dev, "device still configured (try to release it)\n");
- cm4000_release(link);
- }
+ link->state &= ~DEV_PRESENT;
+ stop_monitor(dev);
- if (link->handle) {
- pcmcia_deregister_client(link->handle);
- }
+ if (link->state & DEV_CONFIG)
+ cm4000_release(link);
dev_table[devno] = NULL;
- kfree(dev);
- return;
-}
-
-static void cm4000_detach(dev_link_t * link)
-{
- int i;
+ kfree(dev);
- /* find device */
- for (i = 0; i < CM4000_MAX_DEV; i++)
- if (dev_table[i] == link)
- break;
+ class_device_destroy(cmm_class, MKDEV(major, devno));
- if (i == CM4000_MAX_DEV)
- return;
-
- cm4000_detach_by_devno(i, link);
return;
}
.drv = {
.name = "cm4000_cs",
},
- .attach = cm4000_attach,
- .detach = cm4000_detach,
+ .probe = cm4000_attach,
+ .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
static void __exit cmm_exit(void)
{
- int i;
-
printk(KERN_INFO MODULE_NAME ": unloading\n");
pcmcia_unregister_driver(&cm4000_driver);
- for (i = 0; i < CM4000_MAX_DEV; i++)
- if (dev_table[i])
- cm4000_detach_by_devno(i, dev_table[i]);
unregister_chrdev(major, DEVICE_NAME);
+ class_destroy(cmm_class);
};
module_init(cmm_init);
projects / mirror_ubuntu-artful-kernel.git / blobdiff