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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 16:51:54 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 16:51:54 -0700
commitbc06cffdec85d487c77109dffcd2f285bdc502d3 (patch)
treeadc6e6398243da87e66c56102840597a329183a0 /drivers/scsi/bvme6000_scsi.c
parentd3502d7f25b22cfc9762bf1781faa9db1bb3be2e (diff)
parent9413d7b8aa777dd1fc7db9563ce5e80d769fe7b5 (diff)
downloadblackbird-obmc-linux-bc06cffdec85d487c77109dffcd2f285bdc502d3.tar.gz
blackbird-obmc-linux-bc06cffdec85d487c77109dffcd2f285bdc502d3.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits) [SCSI] ibmvscsi: convert to use the data buffer accessors [SCSI] dc395x: convert to use the data buffer accessors [SCSI] ncr53c8xx: convert to use the data buffer accessors [SCSI] sym53c8xx: convert to use the data buffer accessors [SCSI] ppa: coding police and printk levels [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c [SCSI] remove the dead CYBERSTORMIII_SCSI option [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA [SCSI] Clean up scsi_add_lun a bit [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs [SCSI] sni_53c710: Cleanup [SCSI] qla4xxx: Fix underrun/overrun conditions [SCSI] megaraid_mbox: use mutex instead of semaphore [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation. [SCSI] qla2xxx: update version to 8.02.00-k1. [SCSI] qla2xxx: add support for NPIV [SCSI] stex: use resid for xfer len information [SCSI] Add Brownie 1200U3P to blacklist [SCSI] scsi.c: convert to use the data buffer accessors ...
Diffstat (limited to 'drivers/scsi/bvme6000_scsi.c')
-rw-r--r--drivers/scsi/bvme6000_scsi.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/scsi/bvme6000_scsi.c b/drivers/scsi/bvme6000_scsi.c
new file mode 100644
index 000000000000..012cdea7946d
--- /dev/null
+++ b/drivers/scsi/bvme6000_scsi.c
@@ -0,0 +1,135 @@
+/*
+ * 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);
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