diff options
Diffstat (limited to 'drivers/isdn/hisax/sedlbauer_cs.c')
| -rw-r--r-- | drivers/isdn/hisax/sedlbauer_cs.c | 570 |
1 files changed, 114 insertions, 456 deletions
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c index 6f5213a18a8..92ef62d4caf 100644 --- a/drivers/isdn/hisax/sedlbauer_cs.c +++ b/drivers/isdn/hisax/sedlbauer_cs.c @@ -1,54 +1,50 @@ /*====================================================================== - 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. - -======================================================================*/ + 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/sched.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> @@ -58,24 +54,6 @@ 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 - /*====================================================================*/ @@ -84,436 +62,130 @@ static char *version = 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 void sedlbauer_config(dev_link_t *link); -static void sedlbauer_release(dev_link_t *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 int sedlbauer_config(struct pcmcia_device *link); +static void sedlbauer_release(struct pcmcia_device *link); 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 dev_link_t - 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 { - dev_link_t link; - dev_node_t node; - int stop; - int cardnr; + struct pcmcia_device *p_dev; + int stop; + int cardnr; } local_info_t; -/*====================================================================== +static int sedlbauer_probe(struct pcmcia_device *link) +{ + local_info_t *local; - sedlbauer_attach() creates an "instance" of the driver, allocating - local data structures for one device. The device is registered - with Card Services. + dev_dbg(&link->dev, "sedlbauer_attach()\n"); - 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. - -======================================================================*/ + /* Allocate space for private device-specific data */ + local = kzalloc(sizeof(local_info_t), GFP_KERNEL); + if (!local) return -ENOMEM; + local->cardnr = -1; -static int sedlbauer_attach(struct pcmcia_device *p_dev) -{ - local_info_t *local; - dev_link_t *link; - - DEBUG(0, "sedlbauer_attach()\n"); - - /* Allocate space for private device-specific data */ - local = kmalloc(sizeof(local_info_t), GFP_KERNEL); - if (!local) return -ENOMEM; - memset(local, 0, sizeof(local_info_t)); - local->cardnr = -1; - link = &local->link; link->priv = local; - - /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - 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.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - sedlbauer_config(link); - - return 0; + local->p_dev = link; + link->priv = local; + + return sedlbauer_config(link); } /* sedlbauer_attach */ -/*====================================================================== +static void sedlbauer_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link); - 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. + ((local_info_t *)link->priv)->stop = 1; + sedlbauer_release(link); -======================================================================*/ + /* This points to the parent local_info_t struct */ + kfree(link->priv); +} /* sedlbauer_detach */ -static void sedlbauer_detach(struct pcmcia_device *p_dev) +static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data) { - dev_link_t *link = dev_to_instance(p_dev); + if (p_dev->config_index == 0) + return -EINVAL; + + p_dev->io_lines = 3; + return pcmcia_request_io(p_dev); +} - DEBUG(0, "sedlbauer_detach(0x%p)\n", link); +static int sedlbauer_config(struct pcmcia_device *link) +{ + int ret; + IsdnCard_t icard; - if (link->state & DEV_CONFIG) { - ((local_info_t *)link->priv)->stop = 1; - sedlbauer_release(link); - } + dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link); - /* This points to the parent local_info_t struct */ - kfree(link->priv); -} /* sedlbauer_detach */ + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC | + CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; -/*====================================================================== + ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL); + if (ret) + goto failed; - 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) + ret = pcmcia_enable_device(link); + if (ret) + goto failed; -static void sedlbauer_config(dev_link_t *link) -{ - client_handle_t handle = link->handle; - local_info_t *dev = link->priv; - tuple_t tuple; - cisparse_t parse; - int last_fn, last_ret; - u8 buf[64]; - config_info_t conf; - win_req_t req; - memreq_t map; - IsdnCard_t icard; - - DEBUG(0, "sedlbauer_config(0x%p)\n", link); - - /* - This reads the card's CONFIG tuple to find its configuration - registers. - */ - tuple.DesiredTuple = CISTPL_CONFIG; - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = sizeof(buf); - 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; - link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; - - /* Look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; - - /* - 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. - */ - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - while (1) { - cistpl_cftable_entry_t dflt = { 0 }; - cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); - if (pcmcia_get_tuple_data(handle, &tuple) != 0 || - pcmcia_parse_tuple(handle, &tuple, &parse) != 0) - goto next_entry; - - if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; - if (cfg->index == 0) goto next_entry; - link->conf.ConfigIndex = cfg->index; - - /* Does this card need audio output? */ - if (cfg->flags & CISTPL_CFTABLE_AUDIO) { - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->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 (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) - goto next_entry; - } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { - if (conf.Vcc != 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 (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM)) - link->conf.Vpp1 = link->conf.Vpp2 = - dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; - - /* Do we need to allocate an interrupt? */ - if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) - link->conf.Attributes |= CONF_ENABLE_IRQ; - - /* IO window settings */ - link->io.NumPorts1 = link->io.NumPorts2 = 0; - if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { - cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; - if (!(io->flags & CISTPL_IO_8BIT)) - link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; - if (!(io->flags & CISTPL_IO_16BIT)) - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; -/* new in dummy.cs 2001/01/28 MN - link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; -*/ - link->io.BasePort1 = io->win[0].base; - link->io.NumPorts1 = io->win[0].len; - if (io->nwin > 1) { - link->io.Attributes2 = link->io.Attributes1; - link->io.BasePort2 = io->win[1].base; - link->io.NumPorts2 = io->win[1].len; - } - /* This reserves IO space but doesn't actually enable it */ - if (pcmcia_request_io(link->handle, &link->io) != 0) - goto next_entry; - } + icard.para[0] = link->irq; + icard.para[1] = link->resource[0]->start; + icard.protocol = protocol; + icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA; - /* - Now set up a common memory window, if needed. There is room - in the dev_link_t 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; - 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; -/* new in dummy.cs 2001/01/28 MN - if (req.Size < 0x1000) - req.Size = 0x1000; -*/ - req.AccessSpeed = 0; - if (pcmcia_request_window(&link->handle, &req, &link->win) != 0) - goto next_entry; - map.Page = 0; map.CardOffset = mem->win[0].card_addr; - if (pcmcia_map_mem_page(link->win, &map) != 0) - goto next_entry; - } - /* If we got this far, we're cool! */ - break; - - next_entry: -/* new in dummy.cs 2001/01/28 MN - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); -*/ - CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); - } - - /* - 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->handle, &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->handle, &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 = &dev->node; - - /* Finally, report what we've done */ - printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d", - dev->node.dev_name, link->conf.ConfigIndex, - link->conf.Vcc/10, link->conf.Vcc%10); - if (link->conf.Vpp1) - printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%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"); - - link->state &= ~DEV_CONFIG_PENDING; - - 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); - } else - ((local_info_t*)link->priv)->cardnr = last_ret; - - return; - -cs_failed: - cs_error(link->handle, last_fn, last_ret); - sedlbauer_release(link); + ret = hisax_init_pcmcia(link, + &(((local_info_t *)link->priv)->stop), &icard); + if (ret < 0) { + printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n", + ret, link->resource[0]); + sedlbauer_release(link); + return -ENODEV; + } else + ((local_info_t *)link->priv)->cardnr = ret; -} /* sedlbauer_config */ + return 0; -/*====================================================================== +failed: + sedlbauer_release(link); + return -ENODEV; - 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. - -======================================================================*/ +} /* sedlbauer_config */ -static void sedlbauer_release(dev_link_t *link) +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); + local_info_t *local = link->priv; + dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link); + + if (local) { + if (local->cardnr >= 0) { + /* no unregister function with hisax */ + HiSax_closecard(local->cardnr); + } } - } - /* Unlink the device chain */ - link->dev = NULL; - - /* - In a normal driver, additional code may be needed to release - other kernel data structures associated with this device. - */ - - /* Don't bother checking to see if these succeed or not */ - if (link->win) - pcmcia_release_window(link->win); - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); - link->state &= ~DEV_CONFIG; + + pcmcia_disable_device(link); } /* sedlbauer_release */ -static int sedlbauer_suspend(struct pcmcia_device *p_dev) +static int sedlbauer_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); local_info_t *dev = link->priv; - link->state |= DEV_SUSPEND; dev->stop = 1; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); return 0; } -static int sedlbauer_resume(struct pcmcia_device *p_dev) +static int sedlbauer_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); local_info_t *dev = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); dev->stop = 0; return 0; } -static struct pcmcia_device_id sedlbauer_ids[] = { +static const 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), @@ -527,25 +199,11 @@ MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids); static struct pcmcia_driver sedlbauer_driver = { .owner = THIS_MODULE, - .drv = { - .name = "sedlbauer_cs", - }, - .probe = sedlbauer_attach, + .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); +module_pcmcia_driver(sedlbauer_driver); |