/* * PCMCIA client driver for AVM A1 / Fritz!PCMCIA * * Author Carsten Paeth * Copyright 1998-2001 by Carsten Paeth <calle@calle.in-berlin.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/string.h> #include <asm/io.h> #include <asm/system.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> #include "hisax_cfg.h" MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for AVM A1/Fritz!PCMCIA cards"); MODULE_AUTHOR("Carsten Paeth"); MODULE_LICENSE("GPL"); /*====================================================================*/ /* Parameters that can be set with 'insmod' */ static int isdnprot = 2; module_param(isdnprot, int, 0); /*====================================================================*/ static int avma1cs_config(struct pcmcia_device *link) __devinit ; static void avma1cs_release(struct pcmcia_device *link); static void avma1cs_detach(struct pcmcia_device *p_dev) __devexit ; static int __devinit avma1cs_probe(struct pcmcia_device *p_dev) { dev_dbg(&p_dev->dev, "avma1cs_attach()\n"); /* General socket configuration */ p_dev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; p_dev->config_index = 1; p_dev->config_regs = PRESENT_OPTION; return avma1cs_config(p_dev); } /* avma1cs_attach */ static void __devexit avma1cs_detach(struct pcmcia_device *link) { dev_dbg(&link->dev, "avma1cs_detach(0x%p)\n", link); avma1cs_release(link); kfree(link->priv); } /* avma1cs_detach */ static int avma1cs_configcheck(struct pcmcia_device *p_dev, void *priv_data) { p_dev->resource[0]->end = 16; p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; p_dev->io_lines = 5; return pcmcia_request_io(p_dev); } static int __devinit avma1cs_config(struct pcmcia_device *link) { int i = -1; char devname[128]; IsdnCard_t icard; int busy = 0; dev_dbg(&link->dev, "avma1cs_config(0x%p)\n", link); devname[0] = 0; if (link->prod_id[1]) strlcpy(devname, link->prod_id[1], sizeof(devname)); if (pcmcia_loop_config(link, avma1cs_configcheck, NULL)) return -ENODEV; do { /* * allocate an interrupt line */ if (!link->irq) { /* undo */ pcmcia_disable_device(link); break; } /* * configure the PCMCIA socket */ i = pcmcia_enable_device(link); if (i != 0) { pcmcia_disable_device(link); break; } } while (0); /* If any step failed, release any partially configured state */ if (i != 0) { avma1cs_release(link); return -ENODEV; } icard.para[0] = link->irq; icard.para[1] = link->resource[0]->start; icard.protocol = isdnprot; icard.typ = ISDN_CTYPE_A1_PCMCIA; i = hisax_init_pcmcia(link, &busy, &icard); if (i < 0) { printk(KERN_ERR "avma1_cs: failed to initialize AVM A1 " "PCMCIA %d at i/o %#x\n", i, (unsigned int) link->resource[0]->start); avma1cs_release(link); return -ENODEV; } link->priv = (void *) (unsigned long) i; return 0; } /* avma1cs_config */ static void avma1cs_release(struct pcmcia_device *link) { unsigned long minor = (unsigned long) link->priv; dev_dbg(&link->dev, "avma1cs_release(0x%p)\n", link); /* now unregister function with hisax */ HiSax_closecard(minor); pcmcia_disable_device(link); } /* avma1cs_release */ static const struct pcmcia_device_id avma1cs_ids[] = { PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb), PCMCIA_DEVICE_PROD_ID12("ISDN", "CARD", 0x8d9761c8, 0x01c5aa7b), PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, avma1cs_ids); static struct pcmcia_driver avma1cs_driver = { .owner = THIS_MODULE, .name = "avma1_cs", .probe = avma1cs_probe, .remove = __devexit_p(avma1cs_detach), .id_table = avma1cs_ids, }; static int __init init_avma1_cs(void) { return pcmcia_register_driver(&avma1cs_driver); } static void __exit exit_avma1_cs(void) { pcmcia_unregister_driver(&avma1cs_driver); } module_init(init_avma1_cs); module_exit(exit_avma1_cs);