| #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.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_device_id ixj_ids[] = { |
| PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600), |
| PCMCIA_DEVICE_NULL |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, ixj_ids); |
| |
| static struct pcmcia_driver ixj_driver = { |
| .owner = THIS_MODULE, |
| .drv = { |
| .name = "ixj_cs", |
| }, |
| .attach = ixj_attach, |
| .event = ixj_event, |
| .detach = ixj_detach, |
| .id_table = ixj_ids, |
| }; |
| |
| 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"); |