Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
new file mode 100644
index 0000000..e20327e
--- /dev/null
+++ b/drivers/ide/legacy/ide-cs.c
@@ -0,0 +1,481 @@
+/*======================================================================
+
+ A driver for PCMCIA IDE/ATA disk cards
+
+ ide-cs.c 1.3 2002/10/26 05:45:31
+
+ 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/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/ioport.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+#include <linux/major.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+#include <pcmcia/ciscode.h>
+
+/*====================================================================*/
+
+/* Module parameters */
+
+MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
+MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
+MODULE_LICENSE("Dual MPL/GPL");
+
+#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
+
+#ifdef PCMCIA_DEBUG
+INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
+#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
+static char *version =
+"ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";
+#else
+#define DEBUG(n, args...)
+#endif
+
+/*====================================================================*/
+
+static const char ide_major[] = {
+ IDE0_MAJOR, IDE1_MAJOR, IDE2_MAJOR, IDE3_MAJOR,
+ IDE4_MAJOR, IDE5_MAJOR
+};
+
+typedef struct ide_info_t {
+ dev_link_t link;
+ int ndev;
+ dev_node_t node;
+ int hd;
+} ide_info_t;
+
+static void ide_release(dev_link_t *);
+static int ide_event(event_t event, int priority,
+ event_callback_args_t *args);
+
+static dev_info_t dev_info = "ide-cs";
+
+static dev_link_t *ide_attach(void);
+static void ide_detach(dev_link_t *);
+
+static dev_link_t *dev_list = NULL;
+
+/*======================================================================
+
+ ide_attach() creates an "instance" of the driver, allocating
+ local data structures for one device. The device is registered
+ with Card Services.
+
+======================================================================*/
+
+static dev_link_t *ide_attach(void)
+{
+ ide_info_t *info;
+ dev_link_t *link;
+ client_reg_t client_reg;
+ int ret;
+
+ DEBUG(0, "ide_attach()\n");
+
+ /* Create new ide device */
+ info = kmalloc(sizeof(*info), GFP_KERNEL);
+ if (!info) return NULL;
+ memset(info, 0, sizeof(*info));
+ link = &info->link; link->priv = info;
+
+ link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+ link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
+ link->io.IOAddrLines = 3;
+ 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;
+
+ /* Register with Card Services */
+ link->next = dev_list;
+ dev_list = link;
+ client_reg.dev_info = &dev_info;
+ client_reg.EventMask =
+ CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
+ CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
+ CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
+ client_reg.event_handler = &ide_event;
+ client_reg.Version = 0x0210;
+ client_reg.event_callback_args.client_data = link;
+ ret = pcmcia_register_client(&link->handle, &client_reg);
+ if (ret != CS_SUCCESS) {
+ cs_error(link->handle, RegisterClient, ret);
+ ide_detach(link);
+ return NULL;
+ }
+
+ return link;
+} /* ide_attach */
+
+/*======================================================================
+
+ This deletes a driver "instance". The device is de-registered
+ with Card Services. If it has been released, all local data
+ structures are freed. Otherwise, the structures will be freed
+ when the device is released.
+
+======================================================================*/
+
+static void ide_detach(dev_link_t *link)
+{
+ dev_link_t **linkp;
+ int ret;
+
+ DEBUG(0, "ide_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)
+ ide_release(link);
+
+ if (link->handle) {
+ ret = pcmcia_deregister_client(link->handle);
+ if (ret != CS_SUCCESS)
+ cs_error(link->handle, DeregisterClient, ret);
+ }
+
+ /* Unlink, free device structure */
+ *linkp = link->next;
+ kfree(link->priv);
+
+} /* ide_detach */
+
+static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
+{
+ hw_regs_t hw;
+ memset(&hw, 0, sizeof(hw));
+ ide_init_hwif_ports(&hw, io, ctl, NULL);
+ hw.irq = irq;
+ hw.chipset = ide_pci;
+ return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
+}
+
+/*======================================================================
+
+ ide_config() is scheduled to run after a CARD_INSERTION event
+ is received, to configure the PCMCIA socket, and to make the
+ ide device available to the system.
+
+======================================================================*/
+
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+static void ide_config(dev_link_t *link)
+{
+ client_handle_t handle = link->handle;
+ ide_info_t *info = link->priv;
+ tuple_t tuple;
+ struct {
+ u_short buf[128];
+ cisparse_t parse;
+ config_info_t conf;
+ cistpl_cftable_entry_t dflt;
+ } *stk = NULL;
+ cistpl_cftable_entry_t *cfg;
+ int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
+ unsigned long io_base, ctl_base;
+
+ DEBUG(0, "ide_config(0x%p)\n", link);
+
+ stk = kmalloc(sizeof(*stk), GFP_KERNEL);
+ if (!stk) goto err_mem;
+ memset(stk, 0, sizeof(*stk));
+ cfg = &stk->parse.cftable_entry;
+
+ tuple.TupleData = (cisdata_t *)&stk->buf;
+ tuple.TupleOffset = 0;
+ tuple.TupleDataMax = 255;
+ tuple.Attributes = 0;
+ tuple.DesiredTuple = CISTPL_CONFIG;
+ 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, &stk->parse));
+ link->conf.ConfigBase = stk->parse.config.base;
+ link->conf.Present = stk->parse.config.rmask[0];
+
+ tuple.DesiredTuple = CISTPL_MANFID;
+ if (!pcmcia_get_first_tuple(handle, &tuple) &&
+ !pcmcia_get_tuple_data(handle, &tuple) &&
+ !pcmcia_parse_tuple(handle, &tuple, &stk->parse))
+ is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
+ ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
+ (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
+
+ /* Configure card */
+ link->state |= DEV_CONFIG;
+
+ /* Not sure if this is right... look up the current Vcc */
+ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
+ link->conf.Vcc = stk->conf.Vcc;
+
+ pass = io_base = ctl_base = 0;
+ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+ tuple.Attributes = 0;
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+ while (1) {
+ if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
+ if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;
+
+ /* Check for matching Vcc, unless we're desperate */
+ if (!pass) {
+ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
+ if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
+ goto next_entry;
+ }
+ }
+
+ if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ link->conf.Vpp1 = link->conf.Vpp2 =
+ cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
+ link->conf.Vpp1 = link->conf.Vpp2 =
+ stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+
+ if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
+ link->conf.ConfigIndex = cfg->index;
+ link->io.BasePort1 = io->win[0].base;
+ link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ if (io->nwin == 2) {
+ link->io.NumPorts1 = 8;
+ link->io.BasePort2 = io->win[1].base;
+ link->io.NumPorts2 = (is_kme) ? 2 : 1;
+ if (pcmcia_request_io(link->handle, &link->io) != 0)
+ goto next_entry;
+ io_base = link->io.BasePort1;
+ ctl_base = link->io.BasePort2;
+ } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
+ link->io.NumPorts1 = io->win[0].len;
+ link->io.NumPorts2 = 0;
+ if (pcmcia_request_io(link->handle, &link->io) != 0)
+ goto next_entry;
+ io_base = link->io.BasePort1;
+ ctl_base = link->io.BasePort1 + 0x0e;
+ } else goto next_entry;
+ /* If we've got this far, we're done */
+ break;
+ }
+
+ next_entry:
+ if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+ memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
+ if (pass) {
+ CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
+ } else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+ memset(&stk->dflt, 0, sizeof(stk->dflt));
+ pass++;
+ }
+ }
+
+ CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
+ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+
+ /* disable drive interrupts during IDE probe */
+ outb(0x02, ctl_base);
+
+ /* special setup for KXLC005 card */
+ if (is_kme)
+ outb(0x81, ctl_base+1);
+
+ /* retry registration in case device is still spinning up */
+ for (hd = -1, i = 0; i < 10; i++) {
+ hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ);
+ if (hd >= 0) break;
+ if (link->io.NumPorts1 == 0x20) {
+ outb(0x02, ctl_base + 0x10);
+ hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
+ link->irq.AssignedIRQ);
+ if (hd >= 0) {
+ io_base += 0x10;
+ ctl_base += 0x10;
+ break;
+ }
+ }
+ __set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(HZ/10);
+ }
+
+ if (hd < 0) {
+ printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
+ ", irq %u failed\n", io_base, ctl_base,
+ link->irq.AssignedIRQ);
+ goto failed;
+ }
+
+ info->ndev = 1;
+ sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
+ info->node.major = ide_major[hd];
+ info->node.minor = 0;
+ info->hd = hd;
+ link->dev = &info->node;
+ printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n",
+ info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10,
+ link->conf.Vpp1 / 10, link->conf.Vpp1 % 10);
+
+ link->state &= ~DEV_CONFIG_PENDING;
+ kfree(stk);
+ return;
+
+err_mem:
+ printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
+ goto failed;
+
+cs_failed:
+ cs_error(link->handle, last_fn, last_ret);
+failed:
+ kfree(stk);
+ ide_release(link);
+ link->state &= ~DEV_CONFIG_PENDING;
+} /* ide_config */
+
+/*======================================================================
+
+ After a card is removed, ide_release() will unregister the net
+ device, and release the PCMCIA configuration. If the device is
+ still open, this will be postponed until it is closed.
+
+======================================================================*/
+
+void ide_release(dev_link_t *link)
+{
+ ide_info_t *info = link->priv;
+
+ DEBUG(0, "ide_release(0x%p)\n", link);
+
+ if (info->ndev) {
+ /* FIXME: if this fails we need to queue the cleanup somehow
+ -- need to investigate the required PCMCIA magic */
+ ide_unregister(info->hd);
+ }
+ info->ndev = 0;
+ 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;
+
+} /* ide_release */
+
+/*======================================================================
+
+ The card status event handler. Mostly, this schedules other
+ stuff to run after an event is received. A CARD_REMOVAL event
+ also sets some flags to discourage the ide drivers from
+ talking to the ports.
+
+======================================================================*/
+
+int ide_event(event_t event, int priority,
+ event_callback_args_t *args)
+{
+ dev_link_t *link = args->client_data;
+
+ DEBUG(1, "ide_event(0x%06x)\n", event);
+
+ switch (event) {
+ case CS_EVENT_CARD_REMOVAL:
+ link->state &= ~DEV_PRESENT;
+ if (link->state & DEV_CONFIG)
+ ide_release(link);
+ break;
+ case CS_EVENT_CARD_INSERTION:
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ ide_config(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 (DEV_OK(link))
+ pcmcia_request_configuration(link->handle, &link->conf);
+ break;
+ }
+ return 0;
+} /* ide_event */
+
+static struct pcmcia_driver ide_cs_driver = {
+ .owner = THIS_MODULE,
+ .drv = {
+ .name = "ide-cs",
+ },
+ .attach = ide_attach,
+ .detach = ide_detach,
+};
+
+static int __init init_ide_cs(void)
+{
+ return pcmcia_register_driver(&ide_cs_driver);
+}
+
+static void __exit exit_ide_cs(void)
+{
+ pcmcia_unregister_driver(&ide_cs_driver);
+ BUG_ON(dev_list != NULL);
+}
+
+module_init(init_ide_cs);
+module_exit(exit_ide_cs);