diff options
Diffstat (limited to 'drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c | 196 |
1 files changed, 22 insertions, 174 deletions
diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c index 68ea035..f376ca4 100644 --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_cs.c @@ -29,153 +29,54 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <linux/delay.h> - #include <linux/netdevice.h> -#include <linux/etherdevice.h> - #include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> #include <pcmcia/ds.h> -#include <asm/io.h> -#include <asm/system.h> -#include <asm/byteorder.h> -#include <asm/uaccess.h> - /*====================================================================*/ -/* Module parameters */ - -#define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i") - MODULE_AUTHOR("Wai Chan"); MODULE_DESCRIPTION("FT1000 PCMCIA driver"); MODULE_LICENSE("GPL"); -/* Newer, simpler way of listing specific interrupts */ - -/* The old way: bit map of interrupts to choose from */ -/* This means pick from 15, 14, 12, 11, 10, 9, 7, 5, 4, and 3 */ - -/* - All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If - you do not define PCMCIA_DEBUG at all, all the debug code will be - left out. If you compile with PCMCIA_DEBUG=0, the debug code will - be present but disabled. -*/ -#ifdef FT_DEBUG -#define DEBUG(n, args...) printk(KERN_DEBUG args) -#else -#define DEBUG(n, args...) -#endif - /*====================================================================*/ -struct net_device *init_ft1000_card(struct pcmcia_device *link, - void *ft1000_reset); -void stop_ft1000_card(struct net_device *); - static int ft1000_config(struct pcmcia_device *link); -static void ft1000_release(struct pcmcia_device *link); - -/* - The attach() and detach() entry points are used to create and destroy - "instances" of the driver, where each instance represents everything - needed to manage one actual PCMCIA card. -*/ - static void ft1000_detach(struct pcmcia_device *link); -static int ft1000_attach(struct pcmcia_device *link); +static int ft1000_attach(struct pcmcia_device *link); -typedef struct local_info_t { - struct pcmcia_device *link; - struct net_device *dev; -} local_info_t; - -#define MAX_ASIC_RESET_CNT 10 -#define COR_DEFAULT 0x55 +#include "ft1000.h" /*====================================================================*/ -static void ft1000_reset(struct pcmcia_device * link) +static void ft1000_reset(struct pcmcia_device *link) { pcmcia_reset_card(link->socket); } -/*====================================================================== - - -======================================================================*/ - static int ft1000_attach(struct pcmcia_device *link) { - - local_info_t *local; - - DEBUG(0, "ft1000_cs: ft1000_attach()\n"); - - local = kzalloc(sizeof(local_info_t), GFP_KERNEL); - if (!local) { - return -ENOMEM; - } - local->link = link; - - link->priv = local; - local->dev = NULL; - + link->priv = NULL; link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; return ft1000_config(link); - -} /* ft1000_attach */ - -/*====================================================================== - - This deletes a driver "instance". The device is de-registered - with Card Services. If it has been released, all local data - structures are freed. Otherwise, the structures will be freed - when the device is released. - -======================================================================*/ +} static void ft1000_detach(struct pcmcia_device *link) { - struct net_device *dev = ((local_info_t *) link->priv)->dev; - - DEBUG(0, "ft1000_cs: ft1000_detach(0x%p)\n", link); - - if (link == NULL) { - DEBUG(0,"ft1000_cs:ft1000_detach: Got a NULL pointer\n"); - return; - } + struct net_device *dev = link->priv; - if (dev) { + if (dev) stop_ft1000_card(dev); - } pcmcia_disable_device(link); - - /* This points to the parent local_info_t struct */ free_netdev(dev); +} -} /* ft1000_detach */ - -/*====================================================================== - - Check if the io window is configured - -======================================================================*/ -int ft1000_confcheck(struct pcmcia_device *link, void *priv_data) +static int ft1000_confcheck(struct pcmcia_device *link, void *priv_data) { - return pcmcia_request_io(link); -} /* ft1000_confcheck */ +} /*====================================================================== @@ -187,7 +88,7 @@ int ft1000_confcheck(struct pcmcia_device *link, void *priv_data) static int ft1000_config(struct pcmcia_device *link) { - int ret; + int ret; dev_dbg(&link->dev, "ft1000_cs: ft1000_config(0x%p)\n", link); @@ -205,9 +106,8 @@ static int ft1000_config(struct pcmcia_device *link) goto failed; } - ((local_info_t *) link->priv)->dev = init_ft1000_card(link, - &ft1000_reset); - if (((local_info_t *) link->priv)->dev == NULL) { + link->priv = init_ft1000_card(link, &ft1000_reset); + if (!link->priv) { printk(KERN_INFO "ft1000: Could not register as network device\n"); goto failed; } @@ -216,57 +116,13 @@ static int ft1000_config(struct pcmcia_device *link) return 0; failed: - ft1000_release(link); + pcmcia_disable_device(link); return -ENODEV; - -} /* ft1000_config */ - -/*====================================================================== - - After a card is removed, ft1000_release() will unregister the - device, and release the PCMCIA configuration. If the device is - still open, this will be postponed until it is closed. - -======================================================================*/ - -static void ft1000_release(struct pcmcia_device * link) -{ - - DEBUG(0, "ft1000_cs: ft1000_release(0x%p)\n", link); - - /* - If the device is currently in use, we won't release until it - is actually closed, because until then, we can't be sure that - no one will try to access the device or its data structures. - */ - - /* - In a normal driver, additional code may be needed to release - other kernel data structures associated with this device. - */ - kfree((local_info_t *) link->priv); - /* Don't bother checking to see if these succeed or not */ - - pcmcia_disable_device(link); -} /* ft1000_release */ - -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. - - When a CARD_REMOVAL event is received, we immediately set a - private flag to block future accesses to this device. All the - functions that actually access the device should check this flag - to make sure the card is still present. - -======================================================================*/ +} static int ft1000_suspend(struct pcmcia_device *link) { - struct net_device *dev = ((local_info_t *) link->priv)->dev; - - DEBUG(1, "ft1000_cs: ft1000_event(0x%06x)\n", event); + struct net_device *dev = link->priv; if (link->open) netif_device_detach(dev); @@ -275,13 +131,9 @@ static int ft1000_suspend(struct pcmcia_device *link) static int ft1000_resume(struct pcmcia_device *link) { -/* struct net_device *dev = link->priv; - */ return 0; } - - /*====================================================================*/ static const struct pcmcia_device_id ft1000_ids[] = { @@ -294,26 +146,22 @@ static const struct pcmcia_device_id ft1000_ids[] = { MODULE_DEVICE_TABLE(pcmcia, ft1000_ids); static struct pcmcia_driver ft1000_cs_driver = { - .owner = THIS_MODULE, - .drv = { - .name = "ft1000_cs", - }, - .probe = ft1000_attach, - .remove = ft1000_detach, + .owner = THIS_MODULE, + .name = "ft1000_cs", + .probe = ft1000_attach, + .remove = ft1000_detach, .id_table = ft1000_ids, - .suspend = ft1000_suspend, - .resume = ft1000_resume, + .suspend = ft1000_suspend, + .resume = ft1000_resume, }; static int __init init_ft1000_cs(void) { - DEBUG(0, "ft1000_cs: loading\n"); return pcmcia_register_driver(&ft1000_cs_driver); } static void __exit exit_ft1000_cs(void) { - DEBUG(0, "ft1000_cs: unloading\n"); pcmcia_unregister_driver(&ft1000_cs_driver); } |