1 // SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) 2 /* 3 * Driver for Future Domain-compatible PCMCIA SCSI cards 4 * Copyright 2019 Ondrej Zary 5 * 6 * The initial developer of the original code is David A. Hinds 7 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 8 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 9 */ 10 11 #include <linux/module.h> 12 #include <linux/init.h> 13 #include <scsi/scsi_host.h> 14 #include <pcmcia/cistpl.h> 15 #include <pcmcia/ds.h> 16 #include "fdomain.h" 17 18 MODULE_AUTHOR("Ondrej Zary, David Hinds"); 19 MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); 20 MODULE_LICENSE("Dual MPL/GPL"); 21 22 static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data) 23 { 24 p_dev->io_lines = 10; 25 p_dev->resource[0]->end = FDOMAIN_REGION_SIZE; 26 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; 27 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 28 return pcmcia_request_io(p_dev); 29 } 30 31 static int fdomain_probe(struct pcmcia_device *link) 32 { 33 int ret; 34 struct Scsi_Host *sh; 35 36 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; 37 link->config_regs = PRESENT_OPTION; 38 39 ret = pcmcia_loop_config(link, fdomain_config_check, NULL); 40 if (ret) 41 return ret; 42 43 ret = pcmcia_enable_device(link); 44 if (ret) 45 goto fail_disable; 46 47 if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE, 48 "fdomain_cs")) { 49 ret = -EBUSY; 50 goto fail_disable; 51 } 52 53 sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev); 54 if (!sh) { 55 dev_err(&link->dev, "Controller initialization failed"); 56 ret = -ENODEV; 57 goto fail_release; 58 } 59 60 link->priv = sh; 61 62 return 0; 63 64 fail_release: 65 release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE); 66 fail_disable: 67 pcmcia_disable_device(link); 68 return ret; 69 } 70 71 static void fdomain_remove(struct pcmcia_device *link) 72 { 73 fdomain_destroy(link->priv); 74 release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE); 75 pcmcia_disable_device(link); 76 } 77 78 static const struct pcmcia_device_id fdomain_ids[] = { 79 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 80 0x859cad20), 81 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), 82 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", 83 "SCSI PCMCIA Credit Card Controller", 84 0x182bdafe, 0xc80d106f), 85 PCMCIA_DEVICE_NULL, 86 }; 87 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); 88 89 static struct pcmcia_driver fdomain_cs_driver = { 90 .owner = THIS_MODULE, 91 .name = "fdomain_cs", 92 .probe = fdomain_probe, 93 .remove = fdomain_remove, 94 .id_table = fdomain_ids, 95 }; 96 97 module_pcmcia_driver(fdomain_cs_driver); 98