| /* |
| * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux. |
| * |
| * Based on work by Alan Hourihane and Kars de Jong |
| * |
| * Rewritten to use 53c700.c by Richard Hirst <richard@sleepie.demon.co.uk> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/blkdev.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <asm/bvme6000hw.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_transport.h> |
| #include <scsi/scsi_transport_spi.h> |
| |
| #include "53c700.h" |
| |
| MODULE_AUTHOR("Richard Hirst <richard@sleepie.demon.co.uk>"); |
| MODULE_DESCRIPTION("BVME6000 NCR53C710 driver"); |
| MODULE_LICENSE("GPL"); |
| |
| static struct scsi_host_template bvme6000_scsi_driver_template = { |
| .name = "BVME6000 NCR53c710 SCSI", |
| .proc_name = "BVME6000", |
| .this_id = 7, |
| .module = THIS_MODULE, |
| }; |
| |
| static struct platform_device *bvme6000_scsi_device; |
| |
| static __devinit int |
| bvme6000_probe(struct device *dev) |
| { |
| struct Scsi_Host * host = NULL; |
| struct NCR_700_Host_Parameters *hostdata; |
| |
| if (!MACH_IS_BVME6000) |
| goto out; |
| |
| hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL); |
| if (hostdata == NULL) { |
| printk(KERN_ERR "bvme6000-scsi: " |
| "Failed to allocate host data\n"); |
| goto out; |
| } |
| memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters)); |
| |
| /* Fill in the required pieces of hostdata */ |
| hostdata->base = (void __iomem *)BVME_NCR53C710_BASE; |
| hostdata->clock = 40; /* XXX - depends on the CPU clock! */ |
| hostdata->chip710 = 1; |
| hostdata->dmode_extra = DMODE_FC2; |
| hostdata->dcntl_extra = EA_710; |
| hostdata->ctest7_extra = CTEST7_TT1; |
| |
| /* and register the chip */ |
| host = NCR_700_detect(&bvme6000_scsi_driver_template, hostdata, dev); |
| if (!host) { |
| printk(KERN_ERR "bvme6000-scsi: No host detected; " |
| "board configuration problem?\n"); |
| goto out_free; |
| } |
| host->base = BVME_NCR53C710_BASE; |
| host->this_id = 7; |
| host->irq = BVME_IRQ_SCSI; |
| if (request_irq(BVME_IRQ_SCSI, NCR_700_intr, 0, "bvme6000-scsi", |
| host)) { |
| printk(KERN_ERR "bvme6000-scsi: request_irq failed\n"); |
| goto out_put_host; |
| } |
| |
| scsi_scan_host(host); |
| |
| return 0; |
| |
| out_put_host: |
| scsi_host_put(host); |
| out_free: |
| kfree(hostdata); |
| out: |
| return -ENODEV; |
| } |
| |
| static __devexit int |
| bvme6000_device_remove(struct device *dev) |
| { |
| struct Scsi_Host *host = dev_to_shost(dev); |
| struct NCR_700_Host_Parameters *hostdata = shost_priv(host); |
| |
| scsi_remove_host(host); |
| NCR_700_release(host); |
| kfree(hostdata); |
| free_irq(host->irq, host); |
| |
| return 0; |
| } |
| |
| static struct device_driver bvme6000_scsi_driver = { |
| .name = "bvme6000-scsi", |
| .bus = &platform_bus_type, |
| .probe = bvme6000_probe, |
| .remove = __devexit_p(bvme6000_device_remove), |
| }; |
| |
| static int __init bvme6000_scsi_init(void) |
| { |
| int err; |
| |
| err = driver_register(&bvme6000_scsi_driver); |
| if (err) { |
| return err; |
| |
| bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi", |
| -1, NULL, 0); |
| if (IS_ERR(bvme6000_scsi_device)) { |
| driver_unregister(&bvme6000_scsi_driver); |
| return PTR_ERR(bvme6000_scsi_device); |
| } |
| |
| return 0; |
| } |
| |
| static void __exit bvme6000_scsi_exit(void) |
| { |
| platform_device_unregister(bvme6000_scsi_device); |
| driver_unregister(&bvme6000_scsi_driver); |
| } |
| |
| module_init(bvme6000_scsi_init); |
| module_exit(bvme6000_scsi_exit); |