| /*====================================================================== |
| |
| 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.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"); |
| |
| |
| /*====================================================================*/ |
| |
| /* 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) __devinit ; |
| 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) __devexit; |
| |
| typedef struct local_info_t { |
| struct pcmcia_device *p_dev; |
| 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 __devinit sedlbauer_probe(struct pcmcia_device *link) |
| { |
| local_info_t *local; |
| |
| dev_dbg(&link->dev, "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; |
| |
| /* |
| 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 __devexit sedlbauer_detach(struct pcmcia_device *link) |
| { |
| dev_dbg(&link->dev, "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. |
| |
| ======================================================================*/ |
| 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; |
| |
| 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, p_dev->win, &map) != 0) |
| return -ENODEV; |
| } |
| return 0; |
| } |
| |
| |
| |
| static int __devinit sedlbauer_config(struct pcmcia_device *link) |
| { |
| win_req_t *req; |
| int ret; |
| IsdnCard_t icard; |
| |
| dev_dbg(&link->dev, "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. |
| */ |
| ret = pcmcia_loop_config(link, sedlbauer_config_check, req); |
| if (ret) |
| goto failed; |
| |
| /* |
| 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. |
| */ |
| ret = pcmcia_request_configuration(link, &link->conf); |
| if (ret) |
| goto failed; |
| |
| /* Finally, report what we've done */ |
| dev_info(&link->dev, "index 0x%02x:", |
| 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); |
| 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; |
| icard.para[1] = link->io.BasePort1; |
| icard.protocol = protocol; |
| icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA; |
| |
| 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 at i/o %#x\n", |
| ret, link->io.BasePort1); |
| sedlbauer_release(link); |
| return -ENODEV; |
| } else |
| ((local_info_t *)link->priv)->cardnr = ret; |
| |
| return 0; |
| |
| 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; |
| 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); |
| } |
| } |
| |
| 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 = __devexit_p(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); |