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-rw-r--r--drivers/isdn/hisax/sedlbauer_cs.c479
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diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
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+++ b/drivers/isdn/hisax/sedlbauer_cs.c
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+/*======================================================================
+
+ A Sedlbauer PCMCIA client driver
+
+ This driver is for the Sedlbauer Speed Star and Speed Star II,
+ which are ISDN PCMCIA Cards.
+
+ 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.
+
+ Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
+ <maniemann@users.sourceforge.net>. 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/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/cisreg.h>
+#include <pcmcia/ds.h>
+#include "hisax_cfg.h"
+
+MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
+MODULE_AUTHOR("Marcus Niemann");
+MODULE_LICENSE("Dual MPL/GPL");
+
+/*
+ All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
+ you do not define PCMCIA_DEBUG at all, all the debug code will be
+ left out. If you compile with PCMCIA_DEBUG=0, the debug code will
+ be present but disabled -- but it can then be enabled for specific
+ modules at load time with a 'pc_debug=#' option to insmod.
+*/
+
+#ifdef PCMCIA_DEBUG
+static int pc_debug = PCMCIA_DEBUG;
+module_param(pc_debug, int, 0);
+#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args);
+static char *version =
+"sedlbauer_cs.c 1.1a 2001/01/28 15:04:04 (M.Niemann)";
+#else
+#define DEBUG(n, args...)
+#endif
+
+
+/*====================================================================*/
+
+/* Parameters that can be set with 'insmod' */
+
+static int protocol = 2; /* EURO-ISDN Default */
+module_param(protocol, int, 0);
+
+/*====================================================================*/
+
+/*
+ The event() function is this driver's Card Services event handler.
+ It will be called by Card Services when an appropriate card status
+ event is received. The config() and release() entry points are
+ used to configure or release a socket, in response to card
+ insertion and ejection events. They are invoked from the sedlbauer
+ event handler.
+*/
+
+static int sedlbauer_config(struct pcmcia_device *link);
+static void sedlbauer_release(struct pcmcia_device *link);
+
+/*
+ The attach() and detach() entry points are used to create and destroy
+ "instances" of the driver, where each instance represents everything
+ needed to manage one actual PCMCIA card.
+*/
+
+static void sedlbauer_detach(struct pcmcia_device *p_dev);
+
+/*
+ You'll also need to prototype all the functions that will actually
+ be used to talk to your device. See 'memory_cs' for a good example
+ of a fully self-sufficient driver; the other drivers rely more or
+ less on other parts of the kernel.
+*/
+
+/*
+ A driver needs to provide a dev_node_t structure for each device
+ on a card. In some cases, there is only one device per card (for
+ example, ethernet cards, modems). In other cases, there may be
+ many actual or logical devices (SCSI adapters, memory cards with
+ multiple partitions). The dev_node_t structures need to be kept
+ in a linked list starting at the 'dev' field of a struct pcmcia_device
+ structure. We allocate them in the card's private data structure,
+ because they generally shouldn't be allocated dynamically.
+
+ In this case, we also provide a flag to indicate if a device is
+ "stopped" due to a power management event, or card ejection. The
+ device IO routines can use a flag like this to throttle IO to a
+ card that is not ready to accept it.
+*/
+
+typedef struct local_info_t {
+ struct pcmcia_device *p_dev;
+ dev_node_t node;
+ int stop;
+ int cardnr;
+} local_info_t;
+
+/*======================================================================
+
+ sedlbauer_attach() creates an "instance" of the driver, allocating
+ local data structures for one device. The device is registered
+ with Card Services.
+
+ The dev_link structure is initialized, but we don't actually
+ configure the card at this point -- we wait until we receive a
+ card insertion event.
+
+======================================================================*/
+
+static int sedlbauer_probe(struct pcmcia_device *link)
+{
+ local_info_t *local;
+
+ DEBUG(0, "sedlbauer_attach()\n");
+
+ /* Allocate space for private device-specific data */
+ local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
+ if (!local) return -ENOMEM;
+ local->cardnr = -1;
+
+ local->p_dev = link;
+ link->priv = local;
+
+ /* Interrupt setup */
+ link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
+ link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+ link->irq.Handler = NULL;
+
+ /*
+ General socket configuration defaults can go here. In this
+ client, we assume very little, and rely on the CIS for almost
+ everything. In most clients, many details (i.e., number, sizes,
+ and attributes of IO windows) are fixed by the nature of the
+ device, and can be hard-wired here.
+ */
+
+ /* from old sedl_cs
+ */
+ /* The io structure describes IO port mapping */
+ link->io.NumPorts1 = 8;
+ link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ link->io.IOAddrLines = 3;
+
+ link->conf.Attributes = 0;
+ link->conf.IntType = INT_MEMORY_AND_IO;
+
+ return sedlbauer_config(link);
+} /* sedlbauer_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 sedlbauer_detach(struct pcmcia_device *link)
+{
+ DEBUG(0, "sedlbauer_detach(0x%p)\n", link);
+
+ ((local_info_t *)link->priv)->stop = 1;
+ sedlbauer_release(link);
+
+ /* This points to the parent local_info_t struct */
+ kfree(link->priv);
+} /* sedlbauer_detach */
+
+/*======================================================================
+
+ sedlbauer_config() is scheduled to run after a CARD_INSERTION event
+ is received, to configure the PCMCIA socket, and to make the
+ 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 int sedlbauer_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
+{
+ win_req_t *req = priv_data;
+
+ if (cfg->index == 0)
+ return -ENODEV;
+
+ /* Does this card need audio output? */
+ if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
+ p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
+ p_dev->conf.Status = CCSR_AUDIO_ENA;
+ }
+
+ /* Use power settings for Vcc and Vpp if present */
+ /* Note that the CIS values need to be rescaled */
+ if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+ if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
+ return -ENODEV;
+ } else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+ if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM]/10000)
+ return -ENODEV;
+ }
+
+ if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+ else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
+
+ /* Do we need to allocate an interrupt? */
+ if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
+ /* IO window settings */
+ p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+ if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+ if (!(io->flags & CISTPL_IO_8BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ p_dev->io.BasePort1 = io->win[0].base;
+ p_dev->io.NumPorts1 = io->win[0].len;
+ if (io->nwin > 1) {
+ p_dev->io.Attributes2 = p_dev->io.Attributes1;
+ p_dev->io.BasePort2 = io->win[1].base;
+ p_dev->io.NumPorts2 = io->win[1].len;
+ }
+ /* This reserves IO space but doesn't actually enable it */
+ if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
+ return -ENODEV;
+ }
+
+ /*
+ Now set up a common memory window, if needed. There is room
+ in the struct pcmcia_device structure for one memory window handle,
+ but if the base addresses need to be saved, or if multiple
+ windows are needed, the info should go in the private data
+ structure for this device.
+
+ Note that the memory window base is a physical address, and
+ needs to be mapped to virtual space with ioremap() before it
+ is used.
+ */
+ if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
+ cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
+ memreq_t map;
+ req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+ req->Attributes |= WIN_ENABLE;
+ req->Base = mem->win[0].host_addr;
+ req->Size = mem->win[0].len;
+ req->AccessSpeed = 0;
+ if (pcmcia_request_window(&p_dev, req, &p_dev->win) != 0)
+ return -ENODEV;
+ map.Page = 0;
+ map.CardOffset = mem->win[0].card_addr;
+ if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
+ return -ENODEV;
+ }
+ return 0;
+}
+
+
+
+static int sedlbauer_config(struct pcmcia_device *link)
+{
+ local_info_t *dev = link->priv;
+ win_req_t *req;
+ int last_fn, last_ret;
+ IsdnCard_t icard;
+
+ DEBUG(0, "sedlbauer_config(0x%p)\n", link);
+
+ req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
+ if (!req)
+ return -ENOMEM;
+
+ /*
+ In this loop, we scan the CIS for configuration table entries,
+ each of which describes a valid card configuration, including
+ voltage, IO window, memory window, and interrupt settings.
+
+ We make no assumptions about the card to be configured: we use
+ just the information available in the CIS. In an ideal world,
+ this would work for any PCMCIA card, but it requires a complete
+ and accurate CIS. In practice, a driver usually "knows" most of
+ these things without consulting the CIS, and most client drivers
+ will only use the CIS to fill in implementation-defined details.
+ */
+ last_ret = pcmcia_loop_config(link, sedlbauer_config_check, req);
+ if (last_ret)
+ goto failed;
+
+ /*
+ Allocate an interrupt line. Note that this does not assign a
+ handler to the interrupt, unless the 'Handler' member of the
+ irq structure is initialized.
+ */
+ if (link->conf.Attributes & CONF_ENABLE_IRQ)
+ CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
+
+ /*
+ This actually configures the PCMCIA socket -- setting up
+ the I/O windows and the interrupt mapping, and putting the
+ card and host interface into "Memory and IO" mode.
+ */
+ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+
+ /*
+ At this point, the dev_node_t structure(s) need to be
+ initialized and arranged in a linked list at link->dev.
+ */
+ sprintf(dev->node.dev_name, "sedlbauer");
+ dev->node.major = dev->node.minor = 0;
+ link->dev_node = &dev->node;
+
+ /* Finally, report what we've done */
+ printk(KERN_INFO "%s: index 0x%02x:",
+ dev->node.dev_name, link->conf.ConfigIndex);
+ if (link->conf.Vpp)
+ printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
+ if (link->conf.Attributes & CONF_ENABLE_IRQ)
+ printk(", irq %d", link->irq.AssignedIRQ);
+ if (link->io.NumPorts1)
+ printk(", io 0x%04x-0x%04x", link->io.BasePort1,
+ link->io.BasePort1+link->io.NumPorts1-1);
+ if (link->io.NumPorts2)
+ printk(" & 0x%04x-0x%04x", link->io.BasePort2,
+ link->io.BasePort2+link->io.NumPorts2-1);
+ if (link->win)
+ printk(", mem 0x%06lx-0x%06lx", req->Base,
+ req->Base+req->Size-1);
+ printk("\n");
+
+ icard.para[0] = link->irq.AssignedIRQ;
+ icard.para[1] = link->io.BasePort1;
+ icard.protocol = protocol;
+ icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;
+
+ last_ret = hisax_init_pcmcia(link, &(((local_info_t*)link->priv)->stop), &icard);
+ if (last_ret < 0) {
+ printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d at i/o %#x\n",
+ last_ret, link->io.BasePort1);
+ sedlbauer_release(link);
+ return -ENODEV;
+ } else
+ ((local_info_t*)link->priv)->cardnr = last_ret;
+
+ return 0;
+
+cs_failed:
+ cs_error(link, last_fn, last_ret);
+failed:
+ sedlbauer_release(link);
+ return -ENODEV;
+
+} /* sedlbauer_config */
+
+/*======================================================================
+
+ After a card is removed, sedlbauer_release() will unregister the
+ device, and release the PCMCIA configuration. If the device is
+ still open, this will be postponed until it is closed.
+
+======================================================================*/
+
+static void sedlbauer_release(struct pcmcia_device *link)
+{
+ local_info_t *local = link->priv;
+ DEBUG(0, "sedlbauer_release(0x%p)\n", link);
+
+ if (local) {
+ if (local->cardnr >= 0) {
+ /* no unregister function with hisax */
+ HiSax_closecard(local->cardnr);
+ }
+ }
+
+ pcmcia_disable_device(link);
+} /* sedlbauer_release */
+
+static int sedlbauer_suspend(struct pcmcia_device *link)
+{
+ local_info_t *dev = link->priv;
+
+ dev->stop = 1;
+
+ return 0;
+}
+
+static int sedlbauer_resume(struct pcmcia_device *link)
+{
+ local_info_t *dev = link->priv;
+
+ dev->stop = 0;
+
+ return 0;
+}
+
+
+static struct pcmcia_device_id sedlbauer_ids[] = {
+ PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
+ PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
+ PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
+ PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
+ PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
+ PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
+/* PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
+ PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);
+
+static struct pcmcia_driver sedlbauer_driver = {
+ .owner = THIS_MODULE,
+ .drv = {
+ .name = "sedlbauer_cs",
+ },
+ .probe = sedlbauer_probe,
+ .remove = sedlbauer_detach,
+ .id_table = sedlbauer_ids,
+ .suspend = sedlbauer_suspend,
+ .resume = sedlbauer_resume,
+};
+
+static int __init init_sedlbauer_cs(void)
+{
+ return pcmcia_register_driver(&sedlbauer_driver);
+}
+
+static void __exit exit_sedlbauer_cs(void)
+{
+ pcmcia_unregister_driver(&sedlbauer_driver);
+}
+
+module_init(init_sedlbauer_cs);
+module_exit(exit_sedlbauer_cs);
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