[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/drivers/scsi/a4000t.c b/ap/os/linux/linux-3.4.x/drivers/scsi/a4000t.c
new file mode 100644
index 0000000..23c76f4
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/scsi/a4000t.c
@@ -0,0 +1,138 @@
+/*
+ * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
+ * Amiga Technologies A4000T SCSI controller.
+ *
+ * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
+ * plus modifications of the 53c7xx.c driver to support the Amiga.
+ *
+ * Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <asm/amigahw.h>
+#include <asm/amigaints.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_spi.h>
+
+#include "53c700.h"
+
+
+static struct scsi_host_template a4000t_scsi_driver_template = {
+ .name = "A4000T builtin SCSI",
+ .proc_name = "A4000t",
+ .this_id = 7,
+ .module = THIS_MODULE,
+};
+
+
+#define A4000T_SCSI_OFFSET 0x40
+
+static int __init amiga_a4000t_scsi_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ phys_addr_t scsi_addr;
+ struct NCR_700_Host_Parameters *hostdata;
+ struct Scsi_Host *host;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ if (!request_mem_region(res->start, resource_size(res),
+ "A4000T builtin SCSI"))
+ return -EBUSY;
+
+ hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters),
+ GFP_KERNEL);
+ if (!hostdata) {
+ dev_err(&pdev->dev, "Failed to allocate host data\n");
+ goto out_release;
+ }
+
+ scsi_addr = res->start + A4000T_SCSI_OFFSET;
+
+ /* Fill in the required pieces of hostdata */
+ hostdata->base = (void __iomem *)ZTWO_VADDR(scsi_addr);
+ hostdata->clock = 50;
+ hostdata->chip710 = 1;
+ hostdata->dmode_extra = DMODE_FC2;
+ hostdata->dcntl_extra = EA_710;
+
+ /* and register the chip */
+ host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata,
+ &pdev->dev);
+ if (!host) {
+ dev_err(&pdev->dev,
+ "No host detected; board configuration problem?\n");
+ goto out_free;
+ }
+
+ host->this_id = 7;
+ host->base = scsi_addr;
+ host->irq = IRQ_AMIGA_PORTS;
+
+ if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi",
+ host)) {
+ dev_err(&pdev->dev, "request_irq failed\n");
+ goto out_put_host;
+ }
+
+ platform_set_drvdata(pdev, host);
+ scsi_scan_host(host);
+ return 0;
+
+ out_put_host:
+ scsi_host_put(host);
+ out_free:
+ kfree(hostdata);
+ out_release:
+ release_mem_region(res->start, resource_size(res));
+ return -ENODEV;
+}
+
+static int __exit amiga_a4000t_scsi_remove(struct platform_device *pdev)
+{
+ struct Scsi_Host *host = platform_get_drvdata(pdev);
+ struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ scsi_remove_host(host);
+ NCR_700_release(host);
+ kfree(hostdata);
+ free_irq(host->irq, host);
+ release_mem_region(res->start, resource_size(res));
+ return 0;
+}
+
+static struct platform_driver amiga_a4000t_scsi_driver = {
+ .remove = __exit_p(amiga_a4000t_scsi_remove),
+ .driver = {
+ .name = "amiga-a4000t-scsi",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init amiga_a4000t_scsi_init(void)
+{
+ return platform_driver_probe(&amiga_a4000t_scsi_driver,
+ amiga_a4000t_scsi_probe);
+}
+
+module_init(amiga_a4000t_scsi_init);
+
+static void __exit amiga_a4000t_scsi_exit(void)
+{
+ platform_driver_unregister(&amiga_a4000t_scsi_driver);
+}
+
+module_exit(amiga_a4000t_scsi_exit);
+
+MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / "
+ "Kars de Jong <jongk@linux-m68k.org>");
+MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-a4000t-scsi");