1 files changed, 343 insertions, 0 deletions

diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c
new file mode 100644
index 000000000000..e60b4c0a8427
--- /dev/null
+++ b/drivers/scsi/pcmcia/aha152x_stub.c
@@ -0,0 +1,343 @@
+/*======================================================================
+
+    A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
+
+    This driver supports the Adaptec AHA-1460, the New Media Bus
+    Toaster, and the New Media Toast & Jam.
+    
+    aha152x_cs.c 1.54 2000/06/12 21:27:25
+
+    The contents of this file are subject to the Mozilla Public
+    License Version 1.1 (the "License"); you may not use this file
+    except in compliance with the License. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+    Software distributed under the License is distributed on an "AS
+    IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+    implied. See the License for the specific language governing
+    rights and limitations under the License.
+
+    The initial developer of the original code is David A. Hinds
+    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
+    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
+
+    Alternatively, the contents of this file may be used under the
+    terms of the GNU General Public License version 2 (the "GPL"), in which
+    case the provisions of the GPL are applicable instead of the
+    above.  If you wish to allow the use of your version of this file
+    only under the terms of the GPL and not to allow others to use
+    your version of this file under the MPL, indicate your decision
+    by deleting the provisions above and replace them with the notice
+    and other provisions required by the GPL.  If you do not delete
+    the provisions above, a recipient may use your version of this
+    file under either the MPL or the GPL.
+    
+======================================================================*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/ioport.h>
+#include <scsi/scsi.h>
+#include <linux/major.h>
+#include <linux/blkdev.h>
+#include <scsi/scsi_ioctl.h>
+
+#include "scsi.h"
+#include <scsi/scsi_host.h>
+#include "aha152x.h"
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+
+#ifdef PCMCIA_DEBUG
+static int pc_debug = PCMCIA_DEBUG;
+module_param(pc_debug, int, 0644);
+#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
+static char *version =
+"aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
+#else
+#define DEBUG(n, args...)
+#endif
+
+/*====================================================================*/
+
+/* Parameters that can be set with 'insmod' */
+
+/* SCSI bus setup options */
+static int host_id = 7;
+static int reconnect = 1;
+static int parity = 1;
+static int synchronous = 1;
+static int reset_delay = 100;
+static int ext_trans = 0;
+
+module_param(host_id, int, 0);
+module_param(reconnect, int, 0);
+module_param(parity, int, 0);
+module_param(synchronous, int, 0);
+module_param(reset_delay, int, 0);
+module_param(ext_trans, int, 0);
+
+MODULE_LICENSE("Dual MPL/GPL");
+
+/*====================================================================*/
+
+typedef struct scsi_info_t {
+    dev_link_t          link;
+    dev_node_t          node;
+    struct Scsi_Host    *host;
+} scsi_info_t;
+
+static void aha152x_release_cs(dev_link_t *link);
+static int aha152x_event(event_t event, int priority,
+                         event_callback_args_t *args);
+
+static dev_link_t *aha152x_attach(void);
+static void aha152x_detach(dev_link_t *);
+
+static dev_link_t *dev_list;
+static dev_info_t dev_info = "aha152x_cs";
+
+static dev_link_t *aha152x_attach(void)
+{
+    scsi_info_t *info;
+    client_reg_t client_reg;
+    dev_link_t *link;
+    int ret;
+    
+    DEBUG(0, "aha152x_attach()\n");
+
+    /* Create new SCSI device */
+    info = kmalloc(sizeof(*info), GFP_KERNEL);
+    if (!info) return NULL;
+    memset(info, 0, sizeof(*info));
+    link = &info->link; link->priv = info;
+
+    link->io.NumPorts1 = 0x20;
+    link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+    link->io.IOAddrLines = 10;
+    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+    link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+    link->conf.Attributes = CONF_ENABLE_IRQ;
+    link->conf.Vcc = 50;
+    link->conf.IntType = INT_MEMORY_AND_IO;
+    link->conf.Present = PRESENT_OPTION;
+
+    /* Register with Card Services */
+    link->next = dev_list;
+    dev_list = link;
+    client_reg.dev_info = &dev_info;
+    client_reg.event_handler = &aha152x_event;
+    client_reg.EventMask =
+        CS_EVENT_RESET_REQUEST | CS_EVENT_CARD_RESET |
+        CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
+        CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
+    client_reg.Version = 0x0210;
+    client_reg.event_callback_args.client_data = link;
+    ret = pcmcia_register_client(&link->handle, &client_reg);
+    if (ret != 0) {
+        cs_error(link->handle, RegisterClient, ret);
+        aha152x_detach(link);
+        return NULL;
+    }
+    
+    return link;
+} /* aha152x_attach */
+
+/*====================================================================*/
+
+static void aha152x_detach(dev_link_t *link)
+{
+    dev_link_t **linkp;
+
+    DEBUG(0, "aha152x_detach(0x%p)\n", link);
+    
+    /* Locate device structure */
+    for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
+        if (*linkp == link) break;
+    if (*linkp == NULL)
+        return;
+
+    if (link->state & DEV_CONFIG)
+        aha152x_release_cs(link);
+
+    if (link->handle)
+        pcmcia_deregister_client(link->handle);
+    
+    /* Unlink device structure, free bits */
+    *linkp = link->next;
+    kfree(link->priv);
+    
+} /* aha152x_detach */
+
+/*====================================================================*/
+
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+static void aha152x_config_cs(dev_link_t *link)
+{
+    client_handle_t handle = link->handle;
+    scsi_info_t *info = link->priv;
+    struct aha152x_setup s;
+    tuple_t tuple;
+    cisparse_t parse;
+    int i, last_ret, last_fn;
+    u_char tuple_data[64];
+    struct Scsi_Host *host;
+    
+    DEBUG(0, "aha152x_config(0x%p)\n", link);
+
+    tuple.DesiredTuple = CISTPL_CONFIG;
+    tuple.TupleData = tuple_data;
+    tuple.TupleDataMax = 64;
+    tuple.TupleOffset = 0;
+    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
+    CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+    link->conf.ConfigBase = parse.config.base;
+
+    /* Configure card */
+    link->state |= DEV_CONFIG;
+
+    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+    while (1) {
+        if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
+                pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
+            goto next_entry;
+        /* For New Media T&J, look for a SCSI window */
+        if (parse.cftable_entry.io.win[0].len >= 0x20)
+            link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
+        else if ((parse.cftable_entry.io.nwin > 1) &&
+                 (parse.cftable_entry.io.win[1].len >= 0x20))
+            link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
+        if ((parse.cftable_entry.io.nwin > 0) &&
+            (link->io.BasePort1 < 0xffff)) {
+            link->conf.ConfigIndex = parse.cftable_entry.index;
+            i = pcmcia_request_io(handle, &link->io);
+            if (i == CS_SUCCESS) break;
+        }
+    next_entry:
+        CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
+    }
+    
+    CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
+    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+    
+    /* Set configuration options for the aha152x driver */
+    memset(&s, 0, sizeof(s));
+    s.conf        = "PCMCIA setup";
+    s.io_port     = link->io.BasePort1;
+    s.irq         = link->irq.AssignedIRQ;
+    s.scsiid      = host_id;
+    s.reconnect   = reconnect;
+    s.parity      = parity;
+    s.synchronous = synchronous;
+    s.delay       = reset_delay;
+    if (ext_trans)
+        s.ext_trans = ext_trans;
+
+    host = aha152x_probe_one(&s);
+    if (host == NULL) {
+        printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
+        goto cs_failed;
+    }
+
+    sprintf(info->node.dev_name, "scsi%d", host->host_no);
+    link->dev = &info->node;
+    info->host = host;
+
+    link->state &= ~DEV_CONFIG_PENDING;
+    return;
+    
+cs_failed:
+    cs_error(link->handle, last_fn, last_ret);
+    aha152x_release_cs(link);
+    return;
+}
+
+static void aha152x_release_cs(dev_link_t *link)
+{
+        scsi_info_t *info = link->priv;
+
+        aha152x_release(info->host);
+        link->dev = NULL;
+    
+        pcmcia_release_configuration(link->handle);
+        pcmcia_release_io(link->handle, &link->io);
+        pcmcia_release_irq(link->handle, &link->irq);
+    
+        link->state &= ~DEV_CONFIG;
+}
+
+static int aha152x_event(event_t event, int priority,
+                         event_callback_args_t *args)
+{
+    dev_link_t *link = args->client_data;
+    scsi_info_t *info = link->priv;
+    
+    DEBUG(0, "aha152x_event(0x%06x)\n", event);
+    
+    switch (event) {
+    case CS_EVENT_CARD_REMOVAL:
+        link->state &= ~DEV_PRESENT;
+        if (link->state & DEV_CONFIG)
+            aha152x_release_cs(link);
+        break;
+    case CS_EVENT_CARD_INSERTION:
+        link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+        aha152x_config_cs(link);
+        break;
+    case CS_EVENT_PM_SUSPEND:
+        link->state |= DEV_SUSPEND;
+        /* Fall through... */
+    case CS_EVENT_RESET_PHYSICAL:
+        if (link->state & DEV_CONFIG)
+            pcmcia_release_configuration(link->handle);
+        break;
+    case CS_EVENT_PM_RESUME:
+        link->state &= ~DEV_SUSPEND;
+        /* Fall through... */
+    case CS_EVENT_CARD_RESET:
+        if (link->state & DEV_CONFIG) {
+            Scsi_Cmnd tmp;
+            pcmcia_request_configuration(link->handle, &link->conf);
+            tmp.device->host = info->host;
+            aha152x_host_reset(&tmp);
+        }
+        break;
+    }
+    return 0;
+}
+
+static struct pcmcia_driver aha152x_cs_driver = {
+        .owner          = THIS_MODULE,
+        .drv            = {
+                .name   = "aha152x_cs",
+        },
+        .attach         = aha152x_attach,
+        .detach         = aha152x_detach,
+};
+
+static int __init init_aha152x_cs(void)
+{
+        return pcmcia_register_driver(&aha152x_cs_driver);
+}
+
+static void __exit exit_aha152x_cs(void)
+{
+        pcmcia_unregister_driver(&aha152x_cs_driver);
+        BUG_ON(dev_list != NULL);
+}
+
+module_init(init_aha152x_cs);
+module_exit(exit_aha152x_cs);
+