/*
* linux/drivers/char/pcmcia/synclink_cs.c
*
- * $Id: synclink_cs.c,v 4.26 2004/08/11 19:30:02 paulkf Exp $
+ * $Id: synclink_cs.c,v 4.34 2005/09/08 13:20:54 paulkf Exp $
*
* Device driver for Microgate SyncLink PC Card
* multiprotocol serial adapter.
#include <linux/workqueue.h>
#include <linux/hdlc.h>
-#include <pcmcia/version.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
int flags;
int count; /* count of opens */
int line;
- unsigned int close_delay;
- unsigned int closing_wait; /* time to wait before closing */
+ unsigned short close_delay;
+ unsigned short closing_wait; /* time to wait before closing */
struct mgsl_icount icount;
struct _input_signal_events input_signal_events;
/* PCMCIA support */
- dev_link_t link;
+ struct pcmcia_device *p_dev;
dev_node_t node;
int stop;
MODULE_LICENSE("GPL");
static char *driver_name = "SyncLink PC Card driver";
-static char *driver_version = "$Revision: 4.26 $";
+static char *driver_version = "$Revision: 4.34 $";
static struct tty_driver *serial_driver;
/* PCMCIA prototypes */
-static void mgslpc_config(dev_link_t *link);
+static int mgslpc_config(struct pcmcia_device *link);
static void mgslpc_release(u_long arg);
-static int mgslpc_event(event_t event, int priority,
- event_callback_args_t *args);
-static dev_link_t *mgslpc_attach(void);
-static void mgslpc_detach(dev_link_t *);
-
-static dev_info_t dev_info = "synclink_cs";
-static dev_link_t *dev_list = NULL;
+static void mgslpc_detach(struct pcmcia_device *p_dev);
/*
* 1st function defined in .text section. Calling this function in
}
}
-static dev_link_t *mgslpc_attach(void)
+static int mgslpc_probe(struct pcmcia_device *link)
{
MGSLPC_INFO *info;
- dev_link_t *link;
- client_reg_t client_reg;
int ret;
-
+
if (debug_level >= DEBUG_LEVEL_INFO)
printk("mgslpc_attach\n");
-
+
info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL);
if (!info) {
printk("Error can't allocate device instance data\n");
- return NULL;
+ return -ENOMEM;
}
memset(info, 0, sizeof(MGSLPC_INFO));
info->imrb_value = 0xffff;
info->pim_value = 0xff;
- link = &info->link;
+ info->p_dev = link;
link->priv = info;
-
- /* Initialize the dev_link_t structure */
+
+ /* Initialize the struct pcmcia_device structure */
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
- link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
+ link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = NULL;
-
+
link->conf.Attributes = 0;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
-
- 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.event_handler = &mgslpc_event;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
-
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- mgslpc_detach(link);
- return NULL;
- }
+ ret = mgslpc_config(link);
+ if (ret)
+ return ret;
mgslpc_add_device(info);
- return link;
+ return 0;
}
/* Card has been inserted.
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-static void mgslpc_config(dev_link_t *link)
+static int mgslpc_config(struct pcmcia_device *link)
{
- client_handle_t handle = link->handle;
MGSLPC_INFO *info = link->priv;
tuple_t tuple;
cisparse_t parse;
int last_fn, last_ret;
u_char buf[64];
- config_info_t conf;
cistpl_cftable_entry_t dflt = { 0 };
cistpl_cftable_entry_t *cfg;
tuple.TupleData = buf;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
- CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
- CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+ CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+ CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
-
- /* Configure card */
- link->state |= DEV_CONFIG;
-
- /* Look up the current Vcc */
- CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
- link->conf.Vcc = conf.Vcc;
/* get CIS configuration entry */
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
cfg = &(parse.cftable_entry);
- CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
- CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+ CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+ CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
if (cfg->index == 0)
link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
link->io.BasePort1 = io->win[0].base;
link->io.NumPorts1 = io->win[0].len;
- CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io));
+ CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
}
link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.ConfigIndex = 8;
link->conf.Present = PRESENT_OPTION;
link->irq.Attributes |= IRQ_HANDLE_PRESENT;
link->irq.Handler = mgslpc_isr;
link->irq.Instance = info;
- CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
+ CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
- CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
+ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
info->io_base = link->io.BasePort1;
info->irq_level = link->irq.AssignedIRQ;
/* add to linked list of devices */
sprintf(info->node.dev_name, "mgslpc0");
info->node.major = info->node.minor = 0;
- link->dev = &info->node;
+ link->dev_node = &info->node;
printk(KERN_INFO "%s: index 0x%02x:",
info->node.dev_name, link->conf.ConfigIndex);
printk(", io 0x%04x-0x%04x", link->io.BasePort1,
link->io.BasePort1+link->io.NumPorts1-1);
printk("\n");
-
- link->state &= ~DEV_CONFIG_PENDING;
- return;
+ return 0;
cs_failed:
- cs_error(link->handle, last_fn, last_ret);
+ cs_error(link, last_fn, last_ret);
mgslpc_release((u_long)link);
+ return -ENODEV;
}
/* Card has been removed.
*/
static void mgslpc_release(u_long arg)
{
- dev_link_t *link = (dev_link_t *)arg;
+ struct pcmcia_device *link = (struct pcmcia_device *)arg;
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("mgslpc_release(0x%p)\n", link);
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("mgslpc_release(0x%p)\n", link);
- /* Unlink the device chain */
- link->dev = NULL;
- link->state &= ~DEV_CONFIG;
+ pcmcia_disable_device(link);
+}
- pcmcia_release_configuration(link->handle);
- if (link->io.NumPorts1)
- pcmcia_release_io(link->handle, &link->io);
- if (link->irq.AssignedIRQ)
- pcmcia_release_irq(link->handle, &link->irq);
- if (link->state & DEV_STALE_LINK)
- mgslpc_detach(link);
+static void mgslpc_detach(struct pcmcia_device *link)
+{
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("mgslpc_detach(0x%p)\n", link);
+
+ ((MGSLPC_INFO *)link->priv)->stop = 1;
+ mgslpc_release((u_long)link);
+
+ mgslpc_remove_device((MGSLPC_INFO *)link->priv);
}
-static void mgslpc_detach(dev_link_t *link)
+static int mgslpc_suspend(struct pcmcia_device *link)
{
- dev_link_t **linkp;
+ MGSLPC_INFO *info = link->priv;
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("mgslpc_detach(0x%p)\n", link);
-
- /* find device */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link) break;
- if (*linkp == NULL)
- return;
-
- if (link->state & DEV_CONFIG) {
- /* device is configured/active, mark it so when
- * release() is called a proper detach() occurs.
- */
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk(KERN_DEBUG "synclinkpc: detach postponed, '%s' "
- "still locked\n", link->dev->dev_name);
- link->state |= DEV_STALE_LINK;
- return;
- }
+ info->stop = 1;
- /* Break the link with Card Services */
- if (link->handle)
- pcmcia_deregister_client(link->handle);
-
- /* Unlink device structure, and free it */
- *linkp = link->next;
- mgslpc_remove_device((MGSLPC_INFO *)link->priv);
+ return 0;
}
-static int mgslpc_event(event_t event, int priority,
- event_callback_args_t *args)
+static int mgslpc_resume(struct pcmcia_device *link)
{
- dev_link_t *link = args->client_data;
- MGSLPC_INFO *info = link->priv;
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("mgslpc_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- ((MGSLPC_INFO *)link->priv)->stop = 1;
- mgslpc_release((u_long)link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- mgslpc_config(link);
- break;
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- /* Mark the device as stopped, to block IO until later */
- info->stop = 1;
- if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
- break;
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (link->state & DEV_CONFIG)
- pcmcia_request_configuration(link->handle, &link->conf);
- info->stop = 0;
- break;
- }
- return 0;
+ MGSLPC_INFO *info = link->priv;
+
+ info->stop = 0;
+
+ return 0;
}
+
static inline int mgslpc_paranoia_check(MGSLPC_INFO *info,
char *name, const char *routine)
{
static void rx_ready_async(MGSLPC_INFO *info, int tcd)
{
- unsigned char data, status;
+ unsigned char data, status, flag;
int fifo_count;
+ int work = 0;
struct tty_struct *tty = info->tty;
struct mgsl_icount *icount = &info->icount;
fifo_count = 32;
} else
fifo_count = 32;
-
+
+ tty_buffer_request_room(tty, fifo_count);
/* Flush received async data to receive data buffer. */
while (fifo_count) {
data = read_reg(info, CHA + RXFIFO);
status = read_reg(info, CHA + RXFIFO);
fifo_count -= 2;
- if (tty->flip.count >= TTY_FLIPBUF_SIZE)
- break;
-
- *tty->flip.char_buf_ptr = data;
icount->rx++;
-
- *tty->flip.flag_buf_ptr = 0;
+ flag = TTY_NORMAL;
// if no frameing/crc error then save data
// BIT7:parity error
status &= info->read_status_mask;
if (status & BIT7)
- *tty->flip.flag_buf_ptr = TTY_PARITY;
+ flag = TTY_PARITY;
else if (status & BIT6)
- *tty->flip.flag_buf_ptr = TTY_FRAME;
+ flag = TTY_FRAME;
}
-
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
+ work += tty_insert_flip_char(tty, data, flag);
}
issue_command(info, CHA, CMD_RXFIFO);
if (debug_level >= DEBUG_LEVEL_ISR) {
- printk("%s(%d):rx_ready_async count=%d\n",
- __FILE__,__LINE__,tty->flip.count);
+ printk("%s(%d):rx_ready_async",
+ __FILE__,__LINE__);
printk("%s(%d):rx=%d brk=%d parity=%d frame=%d overrun=%d\n",
__FILE__,__LINE__,icount->rx,icount->brk,
icount->parity,icount->frame,icount->overrun);
}
- if (tty->flip.count)
+ if (work)
tty_flip_buffer_push(tty);
}
if (!info)
return IRQ_NONE;
- if (!(info->link.state & DEV_CONFIG))
+ if (!(info->p_dev->_locked))
return IRQ_HANDLED;
spin_lock(&info->lock);
info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
init_timer(&info->tx_timer);
info->tx_timer.data = (unsigned long)info;
info->tx_timer.function = tx_timeout;
int err;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("get_params(%s)\n", info->device_name);
- COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
- if (err)
- return -EFAULT;
+ if (!user_icount) {
+ memset(&info->icount, 0, sizeof(info->icount));
+ } else {
+ COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+ if (err)
+ return -EFAULT;
+ }
return 0;
}
void rx_free_buffers(MGSLPC_INFO *info)
{
- if (info->rx_buf)
- kfree(info->rx_buf);
+ kfree(info->rx_buf);
info->rx_buf = NULL;
}
}
}
+static struct pcmcia_device_id mgslpc_ids[] = {
+ PCMCIA_DEVICE_MANF_CARD(0x02c5, 0x0050),
+ PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, mgslpc_ids);
+
static struct pcmcia_driver mgslpc_driver = {
.owner = THIS_MODULE,
.drv = {
.name = "synclink_cs",
},
- .attach = mgslpc_attach,
- .detach = mgslpc_detach,
+ .probe = mgslpc_probe,
+ .remove = mgslpc_detach,
+ .id_table = mgslpc_ids,
+ .suspend = mgslpc_suspend,
+ .resume = mgslpc_resume,
};
static struct tty_operations mgslpc_ops = {
}
pcmcia_unregister_driver(&mgslpc_driver);
- BUG_ON(dev_list != NULL);
}
static int __init synclink_cs_init(void)
{
static unsigned char patterns[] =
{ 0x00, 0xff, 0xaa, 0x55, 0x69, 0x96, 0x0f };
- static unsigned int count = sizeof(patterns) / sizeof(patterns[0]);
+ static unsigned int count = ARRAY_SIZE(patterns);
unsigned int i;
BOOLEAN rc = TRUE;
unsigned long flags;
for (i = 0; i < count; i++) {
write_reg(info, XAD1, patterns[i]);
write_reg(info, XAD2, patterns[(i + 1) % count]);
- if ((read_reg(info, XAD1) != patterns[i]) ||
+ if ((read_reg(info, XAD1) != patterns[i]) ||
(read_reg(info, XAD2) != patterns[(i + 1) % count])) {
rc = FALSE;
break;
}
info->params.encoding = new_encoding;
- info->params.crc_type = new_crctype;;
+ info->params.crc_type = new_crctype;
/* if network interface up, reprogram hardware */
if (info->netcount)
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