|  | #include "ixj-ver.h" | 
|  |  | 
|  | #include <linux/module.h> | 
|  |  | 
|  | #include <linux/init.h> | 
|  | #include <linux/sched.h> | 
|  | #include <linux/kernel.h>	/* printk() */ | 
|  | #include <linux/fs.h>		/* everything... */ | 
|  | #include <linux/errno.h>	/* error codes */ | 
|  | #include <linux/slab.h> | 
|  |  | 
|  | #include <pcmcia/version.h> | 
|  | #include <pcmcia/cs_types.h> | 
|  | #include <pcmcia/cs.h> | 
|  | #include <pcmcia/cistpl.h> | 
|  | #include <pcmcia/ds.h> | 
|  |  | 
|  | #include "ixj.h" | 
|  |  | 
|  | /* | 
|  | *	PCMCIA service support for Quicknet cards | 
|  | */ | 
|  |  | 
|  | #ifdef PCMCIA_DEBUG | 
|  | static int pc_debug = PCMCIA_DEBUG; | 
|  | module_param(pc_debug, int, 0644); | 
|  | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) | 
|  | #else | 
|  | #define DEBUG(n, args...) | 
|  | #endif | 
|  |  | 
|  | typedef struct ixj_info_t { | 
|  | int ndev; | 
|  | dev_node_t node; | 
|  | struct ixj *port; | 
|  | } ixj_info_t; | 
|  |  | 
|  | static dev_link_t *ixj_attach(void); | 
|  | static void ixj_detach(dev_link_t *); | 
|  | static void ixj_config(dev_link_t * link); | 
|  | static void ixj_cs_release(dev_link_t * link); | 
|  | static int ixj_event(event_t event, int priority, event_callback_args_t * args); | 
|  | static dev_info_t dev_info = "ixj_cs"; | 
|  | static dev_link_t *dev_list = NULL; | 
|  |  | 
|  | static dev_link_t *ixj_attach(void) | 
|  | { | 
|  | client_reg_t client_reg; | 
|  | dev_link_t *link; | 
|  | int ret; | 
|  | DEBUG(0, "ixj_attach()\n"); | 
|  | /* Create new ixj device */ | 
|  | link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); | 
|  | if (!link) | 
|  | return NULL; | 
|  | memset(link, 0, sizeof(struct dev_link_t)); | 
|  | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | 
|  | link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; | 
|  | link->io.IOAddrLines = 3; | 
|  | link->conf.Vcc = 50; | 
|  | link->conf.IntType = INT_MEMORY_AND_IO; | 
|  | link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL); | 
|  | if (!link->priv) { | 
|  | kfree(link); | 
|  | return NULL; | 
|  | } | 
|  | memset(link->priv, 0, sizeof(struct ixj_info_t)); | 
|  | /* 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 = &ixj_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); | 
|  | ixj_detach(link); | 
|  | return NULL; | 
|  | } | 
|  | return link; | 
|  | } | 
|  |  | 
|  | static void ixj_detach(dev_link_t * link) | 
|  | { | 
|  | dev_link_t **linkp; | 
|  | int ret; | 
|  | DEBUG(0, "ixj_detach(0x%p)\n", link); | 
|  | for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) | 
|  | if (*linkp == link) | 
|  | break; | 
|  | if (*linkp == NULL) | 
|  | return; | 
|  | link->state &= ~DEV_RELEASE_PENDING; | 
|  | if (link->state & DEV_CONFIG) | 
|  | ixj_cs_release(link); | 
|  | if (link->handle) { | 
|  | ret = pcmcia_deregister_client(link->handle); | 
|  | if (ret != CS_SUCCESS) | 
|  | cs_error(link->handle, DeregisterClient, ret); | 
|  | } | 
|  | /* Unlink device structure, free bits */ | 
|  | *linkp = link->next; | 
|  | kfree(link->priv); | 
|  | kfree(link); | 
|  | } | 
|  |  | 
|  | #define CS_CHECK(fn, ret) \ | 
|  | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | 
|  |  | 
|  | static void ixj_get_serial(dev_link_t * link, IXJ * j) | 
|  | { | 
|  | client_handle_t handle; | 
|  | tuple_t tuple; | 
|  | u_short buf[128]; | 
|  | char *str; | 
|  | int last_ret, last_fn, i, place; | 
|  | handle = link->handle; | 
|  | DEBUG(0, "ixj_get_serial(0x%p)\n", link); | 
|  | tuple.TupleData = (cisdata_t *) buf; | 
|  | tuple.TupleOffset = 0; | 
|  | tuple.TupleDataMax = 80; | 
|  | tuple.Attributes = 0; | 
|  | tuple.DesiredTuple = CISTPL_VERS_1; | 
|  | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | 
|  | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | 
|  | str = (char *) buf; | 
|  | printk("PCMCIA Version %d.%d\n", str[0], str[1]); | 
|  | str += 2; | 
|  | printk("%s", str); | 
|  | str = str + strlen(str) + 1; | 
|  | printk(" %s", str); | 
|  | str = str + strlen(str) + 1; | 
|  | place = 1; | 
|  | for (i = strlen(str) - 1; i >= 0; i--) { | 
|  | switch (str[i]) { | 
|  | case '0': | 
|  | case '1': | 
|  | case '2': | 
|  | case '3': | 
|  | case '4': | 
|  | case '5': | 
|  | case '6': | 
|  | case '7': | 
|  | case '8': | 
|  | case '9': | 
|  | j->serial += (str[i] - 48) * place; | 
|  | break; | 
|  | case 'A': | 
|  | case 'B': | 
|  | case 'C': | 
|  | case 'D': | 
|  | case 'E': | 
|  | case 'F': | 
|  | j->serial += (str[i] - 55) * place; | 
|  | break; | 
|  | case 'a': | 
|  | case 'b': | 
|  | case 'c': | 
|  | case 'd': | 
|  | case 'e': | 
|  | case 'f': | 
|  | j->serial += (str[i] - 87) * place; | 
|  | break; | 
|  | } | 
|  | place = place * 0x10; | 
|  | } | 
|  | str = str + strlen(str) + 1; | 
|  | printk(" version %s\n", str); | 
|  | cs_failed: | 
|  | return; | 
|  | } | 
|  |  | 
|  | static void ixj_config(dev_link_t * link) | 
|  | { | 
|  | IXJ *j; | 
|  | client_handle_t handle; | 
|  | ixj_info_t *info; | 
|  | tuple_t tuple; | 
|  | u_short buf[128]; | 
|  | cisparse_t parse; | 
|  | config_info_t conf; | 
|  | cistpl_cftable_entry_t *cfg = &parse.cftable_entry; | 
|  | cistpl_cftable_entry_t dflt = | 
|  | { | 
|  | 0 | 
|  | }; | 
|  | int last_ret, last_fn; | 
|  | handle = link->handle; | 
|  | info = link->priv; | 
|  | DEBUG(0, "ixj_config(0x%p)\n", link); | 
|  | tuple.TupleData = (cisdata_t *) buf; | 
|  | tuple.TupleOffset = 0; | 
|  | tuple.TupleDataMax = 255; | 
|  | tuple.Attributes = 0; | 
|  | tuple.DesiredTuple = CISTPL_CONFIG; | 
|  | 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)); | 
|  | link->conf.ConfigBase = parse.config.base; | 
|  | link->conf.Present = parse.config.rmask[0]; | 
|  | link->state |= DEV_CONFIG; | 
|  | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); | 
|  | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | 
|  | tuple.Attributes = 0; | 
|  | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | 
|  | while (1) { | 
|  | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || | 
|  | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) | 
|  | goto next_entry; | 
|  | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { | 
|  | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; | 
|  | link->conf.ConfigIndex = cfg->index; | 
|  | link->io.BasePort1 = io->win[0].base; | 
|  | link->io.NumPorts1 = io->win[0].len; | 
|  | if (io->nwin == 2) { | 
|  | link->io.BasePort2 = io->win[1].base; | 
|  | link->io.NumPorts2 = io->win[1].len; | 
|  | } | 
|  | if (pcmcia_request_io(link->handle, &link->io) != 0) | 
|  | goto next_entry; | 
|  | /* If we've got this far, we're done */ | 
|  | break; | 
|  | } | 
|  | next_entry: | 
|  | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) | 
|  | dflt = *cfg; | 
|  | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); | 
|  | } | 
|  |  | 
|  | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); | 
|  |  | 
|  | /* | 
|  | *	Register the card with the core. | 
|  | */ | 
|  | j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10); | 
|  |  | 
|  | info->ndev = 1; | 
|  | info->node.major = PHONE_MAJOR; | 
|  | link->dev = &info->node; | 
|  | ixj_get_serial(link, j); | 
|  | link->state &= ~DEV_CONFIG_PENDING; | 
|  | return; | 
|  | cs_failed: | 
|  | cs_error(link->handle, last_fn, last_ret); | 
|  | ixj_cs_release(link); | 
|  | } | 
|  |  | 
|  | static void ixj_cs_release(dev_link_t *link) | 
|  | { | 
|  | ixj_info_t *info = link->priv; | 
|  | DEBUG(0, "ixj_cs_release(0x%p)\n", link); | 
|  | info->ndev = 0; | 
|  | link->dev = NULL; | 
|  | pcmcia_release_configuration(link->handle); | 
|  | pcmcia_release_io(link->handle, &link->io); | 
|  | link->state &= ~DEV_CONFIG; | 
|  | } | 
|  |  | 
|  | static int ixj_event(event_t event, int priority, event_callback_args_t * args) | 
|  | { | 
|  | dev_link_t *link = args->client_data; | 
|  | DEBUG(1, "ixj_event(0x%06x)\n", event); | 
|  | switch (event) { | 
|  | case CS_EVENT_CARD_REMOVAL: | 
|  | link->state &= ~DEV_PRESENT; | 
|  | if (link->state & DEV_CONFIG) { | 
|  | link->state |= DEV_RELEASE_PENDING; | 
|  | ixj_cs_release(link); | 
|  | } | 
|  | break; | 
|  | case CS_EVENT_CARD_INSERTION: | 
|  | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | 
|  | ixj_config(link); | 
|  | break; | 
|  | case CS_EVENT_PM_SUSPEND: | 
|  | link->state |= DEV_SUSPEND; | 
|  | /* Fall through... */ | 
|  | case CS_EVENT_RESET_PHYSICAL: | 
|  | 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 (DEV_OK(link)) | 
|  | pcmcia_request_configuration(link->handle, &link->conf); | 
|  | break; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct pcmcia_driver ixj_driver = { | 
|  | .owner		= THIS_MODULE, | 
|  | .drv		= { | 
|  | .name	= "ixj_cs", | 
|  | }, | 
|  | .attach		= ixj_attach, | 
|  | .detach		= ixj_detach, | 
|  | }; | 
|  |  | 
|  | static int __init ixj_pcmcia_init(void) | 
|  | { | 
|  | return pcmcia_register_driver(&ixj_driver); | 
|  | } | 
|  |  | 
|  | static void ixj_pcmcia_exit(void) | 
|  | { | 
|  | pcmcia_unregister_driver(&ixj_driver); | 
|  | BUG_ON(dev_list != NULL); | 
|  | } | 
|  |  | 
|  | module_init(ixj_pcmcia_init); | 
|  | module_exit(ixj_pcmcia_exit); | 
|  |  | 
|  | MODULE_LICENSE("GPL"); |