/*====================================================================== A driver for PCMCIA serial devices serial_cs.c 1.134 2002/05/04 05:48:53 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/moduleparam.h>#include <linux/kernel.h>#include <linux/init.h>#include <linux/ptrace.h>#include <linux/slab.h>#include <linux/string.h>#include <linux/timer.h>#include <linux/serial_core.h>#include <linux/delay.h>#include <linux/major.h>#include <asm/io.h>#include <asm/system.h> #include <pcmcia/cs_types.h>#include <pcmcia/cs.h>#include <pcmcia/cistpl.h>#include <pcmcia/ciscode.h>#include <pcmcia/ds.h>#include <pcmcia/cisreg.h> #include "8250.h" #ifdef PCMCIA_DEBUGstatic 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 = "serial_cs.c 1.134 2002/05/04 05:48:53 (David Hinds)";#else#define DEBUG(n, args...)#endif /*====================================================================*/ /* Parameters that can be set with 'insmod' */ /* Enable the speaker? */static int do_sound = 1;/* Skip strict UART tests? */static int buggy_uart; module_param(do_sound, int, 0444);module_param(buggy_uart, int, 0444); /*====================================================================*/ /* Table of multi-port card ID's */ struct serial_quirk { unsigned int manfid; unsigned int prodid; int multi; /* 1 = multifunction, > 1 = # ports */ void (*config)(struct pcmcia_device *); void (*setup)(struct pcmcia_device *, struct uart_port *); void (*wakeup)(struct pcmcia_device *); int (*post)(struct pcmcia_device *);}; struct serial_info { struct pcmcia_device *p_dev; int ndev; int multi; int slave; int manfid; int prodid; int c950ctrl; dev_node_t node[4]; int line[4]; const struct serial_quirk *quirk;}; struct serial_cfg_mem { tuple_t tuple; cisparse_t parse; u_char buf[256];}; /* * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6" * manfid 0x0160, 0x0104 * This card appears to have a 14.7456MHz clock. */static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_port *port){ port->uartclk = 14745600;} static int quirk_post_ibm(struct pcmcia_device *link){ conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; int last_ret, last_fn; last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } reg.Action = CS_WRITE; reg.Value = reg.Value | 1; last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } return 0; cs_failed: cs_error(link, last_fn, last_ret); return -ENODEV;} /* * Nokia cards are not really multiport cards. Shouldn't this * be handled by setting the quirk entry .multi = 0 | 1 ? */static void quirk_config_nokia(struct pcmcia_device *link){ struct serial_info *info = link->priv; if (info->multi > 1) info->multi = 1;} static void quirk_wakeup_oxsemi(struct pcmcia_device *link){ struct serial_info *info = link->priv; outb(12, info->c950ctrl + 1);} /* request_region? oxsemi branch does no request_region too... *//* * This sequence is needed to properly initialize MC45 attached to OXCF950. * I tried decreasing these msleep()s, but it worked properly (survived * 1000 stop/start operations) with these timeouts (or bigger). */static void quirk_wakeup_possio_gcc(struct pcmcia_device *link){ struct serial_info *info = link->priv; unsigned int ctrl = info->c950ctrl; outb(0xA, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(300); outb(0xC, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(200); outb(0xF, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(100); outb(0xC, ctrl + 1);} /* * Socket Dual IO: this enables irq's for second port */static void quirk_config_socket(struct pcmcia_device *link){ struct serial_info *info = link->priv; if (info->multi) { link->conf.Present |= PRESENT_EXT_STATUS; link->conf.ExtStatus = ESR_REQ_ATTN_ENA; }} static const struct serial_quirk quirks[] = { { .manfid = 0x0160, .prodid = 0x0104, .multi = -1, .setup = quirk_setup_brainboxes_0104, }, { .manfid = MANFID_IBM, .prodid = ~0, .multi = -1, .post = quirk_post_ibm, }, { .manfid = MANFID_INTEL, .prodid = PRODID_INTEL_DUAL_RS232, .multi = 2, }, { .manfid = MANFID_NATINST, .prodid = PRODID_NATINST_QUAD_RS232, .multi = 4, }, { .manfid = MANFID_NOKIA, .prodid = ~0, .multi = -1, .config = quirk_config_nokia, }, { .manfid = MANFID_OMEGA, .prodid = PRODID_OMEGA_QSP_100, .multi = 4, }, { .manfid = MANFID_OXSEMI, .prodid = ~0, .multi = -1, .wakeup = quirk_wakeup_oxsemi, }, { .manfid = MANFID_POSSIO, .prodid = PRODID_POSSIO_GCC, .multi = -1, .wakeup = quirk_wakeup_possio_gcc, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232_D1, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232_G, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_QUAD_RS232, .multi = 4, }, { .manfid = MANFID_SOCKET, .prodid = PRODID_SOCKET_DUAL_RS232, .multi = 2, .config = quirk_config_socket, }, { .manfid = MANFID_SOCKET, .prodid = ~0, .multi = -1, .config = quirk_config_socket, }}; static int serial_config(struct pcmcia_device * link); /*====================================================================== After a card is removed, serial_remove() will unregister the serial device(s), and release the PCMCIA configuration. ======================================================================*/ static void serial_remove(struct pcmcia_device *link){ struct serial_info *info = link->priv; int i; DEBUG(0, "serial_release(0x%p)\n", link); /* * Recheck to see if the device is still configured. */ for (i = 0; i < info->ndev; i++) serial8250_unregister_port(info->line[i]); info->p_dev->dev_node = NULL; if (!info->slave) pcmcia_disable_device(link);} static int serial_suspend(struct pcmcia_device *link){ struct serial_info *info = link->priv; int i; for (i = 0; i < info->ndev; i++) serial8250_suspend_port(info->line[i]); return 0;} static int serial_resume(struct pcmcia_device *link){ struct serial_info *info = link->priv; int i; for (i = 0; i < info->ndev; i++) serial8250_resume_port(info->line[i]); if (info->quirk && info->quirk->wakeup) info->quirk->wakeup(link); return 0;} /*====================================================================== serial_attach() creates an "instance" of the driver, allocating local data structures for one device. The device is registered with Card Services. ======================================================================*/ static int serial_probe(struct pcmcia_device *link){ struct serial_info *info; DEBUG(0, "serial_attach()\n"); /* Create new serial device */ info = kzalloc(sizeof (*info), GFP_KERNEL); if (!info) return -ENOMEM; info->p_dev = link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.NumPorts1 = 8; link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; if (do_sound) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } link->conf.IntType = INT_MEMORY_AND_IO; return serial_config(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. ======================================================================*/ static void serial_detach(struct pcmcia_device *link){ struct serial_info *info = link->priv; DEBUG(0, "serial_detach(0x%p)\n", link); /* * Ensure any outstanding scheduled tasks are completed. */ flush_scheduled_work(); /* * Ensure that the ports have been released. */ serial_remove(link); /* free bits */ kfree(info);} /*====================================================================*/ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, kio_addr_t iobase, int irq){ struct uart_port port; int line; memset(&port, 0, sizeof (struct uart_port)); port.iobase = iobase; port.irq = irq; port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ; port.uartclk = 1843200; port.dev = &handle_to_dev(handle); if (buggy_uart) port.flags |= UPF_BUGGY_UART; if (info->quirk && info->quirk->setup) info->quirk->setup(handle, &port); line = serial8250_register_port(&port); if (line < 0) { printk(KERN_NOTICE "serial_cs: serial8250_register_port() at " "0x%04lx, irq %d failed\n", (u_long)iobase, irq); return -EINVAL; } info->line[info->ndev] = line; sprintf(info->node[info->ndev].dev_name, "ttyS%d", line); info->node[info->ndev].major = TTY_MAJOR; info->node[info->ndev].minor = 0x40 + line; if (info->ndev > 0) info->node[info->ndev - 1].next = &info->node[info->ndev]; info->ndev++; return 0;} /*====================================================================*/ static intfirst_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse){ int i; i = pcmcia_get_first_tuple(handle, tuple); if (i != CS_SUCCESS) return CS_NO_MORE_ITEMS; i = pcmcia_get_tuple_data(handle, tuple); if (i != CS_SUCCESS) return i; return pcmcia_parse_tuple(handle, tuple, parse);} static intnext_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse){ int i; i = pcmcia_get_next_tuple(handle, tuple); if (i != CS_SUCCESS) return CS_NO_MORE_ITEMS; i = pcmcia_get_tuple_data(handle, tuple); if (i != CS_SUCCESS) return i; return pcmcia_parse_tuple(handle, tuple, parse);} /*====================================================================*/ static int simple_config(struct pcmcia_device *link){ static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; static const int size_table[2] = { 8, 16 }; struct serial_info *info = link->priv; struct serial_cfg_mem *cfg_mem; tuple_t *tuple; u_char *buf; cisparse_t *parse; cistpl_cftable_entry_t *cf; config_info_t config; int i, j, try; int s; cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL); if (!cfg_mem) return -1; tuple = &cfg_mem->tuple; parse = &cfg_mem->parse; cf = &parse->cftable_entry; buf = cfg_mem->buf; /* If the card is already configured, look up the port and irq */ i = pcmcia_get_configuration_info(link, &config); if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) { kio_addr_t port = 0; if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) { port = config.BasePort2; info->slave = 1; } else if ((info->manfid == MANFID_OSITECH) && (config.NumPorts1 == 0x40)) { port = config.BasePort1 + 0x28; info->slave = 1; } if (info->slave) { kfree(cfg_mem); return setup_serial(link, info, port, config.AssignedIRQ); } } /* First pass: look for a config entry that looks normal. */ tuple->TupleData = (cisdata_t *) buf; tuple->TupleOffset = 0;Lines 1–500 of 975. 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/*====================================================================== A driver for PCMCIA serial devices serial_cs.c 1.134 2002/05/04 05:48:53 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/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/ptrace.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/timer.h> #include <linux/serial_core.h> #include <linux/delay.h> #include <linux/major.h> #include <asm/io.h> #include <asm/system.h> #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/ciscode.h> #include <pcmcia/ds.h> #include <pcmcia/cisreg.h> #include "8250.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 = "serial_cs.c 1.134 2002/05/04 05:48:53 (David Hinds)"; #else #define DEBUG(n, args...) #endif /*====================================================================*/ /* Parameters that can be set with 'insmod' */ /* Enable the speaker? */ static int do_sound = 1; /* Skip strict UART tests? */ static int buggy_uart; module_param(do_sound, int, 0444); module_param(buggy_uart, int, 0444); /*====================================================================*/ /* Table of multi-port card ID's */ struct serial_quirk { unsigned int manfid; unsigned int prodid; int multi; /* 1 = multifunction, > 1 = # ports */ void (*config)(struct pcmcia_device *); void (*setup)(struct pcmcia_device *, struct uart_port *); void (*wakeup)(struct pcmcia_device *); int (*post)(struct pcmcia_device *); }; struct serial_info { struct pcmcia_device *p_dev; int ndev; int multi; int slave; int manfid; int prodid; int c950ctrl; dev_node_t node[4]; int line[4]; const struct serial_quirk *quirk; }; struct serial_cfg_mem { tuple_t tuple; cisparse_t parse; u_char buf[256]; }; /* * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6" * manfid 0x0160, 0x0104 * This card appears to have a 14.7456MHz clock. */ static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_port *port) { port->uartclk = 14745600; } static int quirk_post_ibm(struct pcmcia_device *link) { conf_reg_t reg = { 0, CS_READ, 0x800, 0 }; int last_ret, last_fn; last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } reg.Action = CS_WRITE; reg.Value = reg.Value | 1; last_ret = pcmcia_access_configuration_register(link, ®); if (last_ret) { last_fn = AccessConfigurationRegister; goto cs_failed; } return 0; cs_failed: cs_error(link, last_fn, last_ret); return -ENODEV; } /* * Nokia cards are not really multiport cards. Shouldn't this * be handled by setting the quirk entry .multi = 0 | 1 ? */ static void quirk_config_nokia(struct pcmcia_device *link) { struct serial_info *info = link->priv; if (info->multi > 1) info->multi = 1; } static void quirk_wakeup_oxsemi(struct pcmcia_device *link) { struct serial_info *info = link->priv; outb(12, info->c950ctrl + 1); } /* request_region? oxsemi branch does no request_region too... */ /* * This sequence is needed to properly initialize MC45 attached to OXCF950. * I tried decreasing these msleep()s, but it worked properly (survived * 1000 stop/start operations) with these timeouts (or bigger). */ static void quirk_wakeup_possio_gcc(struct pcmcia_device *link) { struct serial_info *info = link->priv; unsigned int ctrl = info->c950ctrl; outb(0xA, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(300); outb(0xC, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(200); outb(0xF, ctrl + 1); msleep(100); outb(0xE, ctrl + 1); msleep(100); outb(0xC, ctrl + 1); } /* * Socket Dual IO: this enables irq's for second port */ static void quirk_config_socket(struct pcmcia_device *link) { struct serial_info *info = link->priv; if (info->multi) { link->conf.Present |= PRESENT_EXT_STATUS; link->conf.ExtStatus = ESR_REQ_ATTN_ENA; } } static const struct serial_quirk quirks[] = { { .manfid = 0x0160, .prodid = 0x0104, .multi = -1, .setup = quirk_setup_brainboxes_0104, }, { .manfid = MANFID_IBM, .prodid = ~0, .multi = -1, .post = quirk_post_ibm, }, { .manfid = MANFID_INTEL, .prodid = PRODID_INTEL_DUAL_RS232, .multi = 2, }, { .manfid = MANFID_NATINST, .prodid = PRODID_NATINST_QUAD_RS232, .multi = 4, }, { .manfid = MANFID_NOKIA, .prodid = ~0, .multi = -1, .config = quirk_config_nokia, }, { .manfid = MANFID_OMEGA, .prodid = PRODID_OMEGA_QSP_100, .multi = 4, }, { .manfid = MANFID_OXSEMI, .prodid = ~0, .multi = -1, .wakeup = quirk_wakeup_oxsemi, }, { .manfid = MANFID_POSSIO, .prodid = PRODID_POSSIO_GCC, .multi = -1, .wakeup = quirk_wakeup_possio_gcc, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232_D1, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_DUAL_RS232_G, .multi = 2, }, { .manfid = MANFID_QUATECH, .prodid = PRODID_QUATECH_QUAD_RS232, .multi = 4, }, { .manfid = MANFID_SOCKET, .prodid = PRODID_SOCKET_DUAL_RS232, .multi = 2, .config = quirk_config_socket, }, { .manfid = MANFID_SOCKET, .prodid = ~0, .multi = -1, .config = quirk_config_socket, } }; static int serial_config(struct pcmcia_device * link); /*====================================================================== After a card is removed, serial_remove() will unregister the serial device(s), and release the PCMCIA configuration. ======================================================================*/ static void serial_remove(struct pcmcia_device *link) { struct serial_info *info = link->priv; int i; DEBUG(0, "serial_release(0x%p)\n", link); /* * Recheck to see if the device is still configured. */ for (i = 0; i < info->ndev; i++) serial8250_unregister_port(info->line[i]); info->p_dev->dev_node = NULL; if (!info->slave) pcmcia_disable_device(link); } static int serial_suspend(struct pcmcia_device *link) { struct serial_info *info = link->priv; int i; for (i = 0; i < info->ndev; i++) serial8250_suspend_port(info->line[i]); return 0; } static int serial_resume(struct pcmcia_device *link) { struct serial_info *info = link->priv; int i; for (i = 0; i < info->ndev; i++) serial8250_resume_port(info->line[i]); if (info->quirk && info->quirk->wakeup) info->quirk->wakeup(link); return 0; } /*====================================================================== serial_attach() creates an "instance" of the driver, allocating local data structures for one device. The device is registered with Card Services. ======================================================================*/ static int serial_probe(struct pcmcia_device *link) { struct serial_info *info; DEBUG(0, "serial_attach()\n"); /* Create new serial device */ info = kzalloc(sizeof (*info), GFP_KERNEL); if (!info) return -ENOMEM; info->p_dev = link; link->priv = info; link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.NumPorts1 = 8; link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; if (do_sound) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } link->conf.IntType = INT_MEMORY_AND_IO; return serial_config(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. ======================================================================*/ static void serial_detach(struct pcmcia_device *link) { struct serial_info *info = link->priv; DEBUG(0, "serial_detach(0x%p)\n", link); /* * Ensure any outstanding scheduled tasks are completed. */ flush_scheduled_work(); /* * Ensure that the ports have been released. */ serial_remove(link); /* free bits */ kfree(info); } /*====================================================================*/ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, kio_addr_t iobase, int irq) { struct uart_port port; int line; memset(&port, 0, sizeof (struct uart_port)); port.iobase = iobase; port.irq = irq; port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ; port.uartclk = 1843200; port.dev = &handle_to_dev(handle); if (buggy_uart) port.flags |= UPF_BUGGY_UART; if (info->quirk && info->quirk->setup) info->quirk->setup(handle, &port); line = serial8250_register_port(&port); if (line < 0) { printk(KERN_NOTICE "serial_cs: serial8250_register_port() at " "0x%04lx, irq %d failed\n", (u_long)iobase, irq); return -EINVAL; } info->line[info->ndev] = line; sprintf(info->node[info->ndev].dev_name, "ttyS%d", line); info->node[info->ndev].major = TTY_MAJOR; info->node[info->ndev].minor = 0x40 + line; if (info->ndev > 0) info->node[info->ndev - 1].next = &info->node[info->ndev]; info->ndev++; return 0; } /*====================================================================*/ static int first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse) { int i; i = pcmcia_get_first_tuple(handle, tuple); if (i != CS_SUCCESS) return CS_NO_MORE_ITEMS; i = pcmcia_get_tuple_data(handle, tuple); if (i != CS_SUCCESS) return i; return pcmcia_parse_tuple(handle, tuple, parse); } static int next_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse) { int i; i = pcmcia_get_next_tuple(handle, tuple); if (i != CS_SUCCESS) return CS_NO_MORE_ITEMS; i = pcmcia_get_tuple_data(handle, tuple); if (i != CS_SUCCESS) return i; return pcmcia_parse_tuple(handle, tuple, parse); } /*====================================================================*/ static int simple_config(struct pcmcia_device *link) { static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; static const int size_table[2] = { 8, 16 }; struct serial_info *info = link->priv; struct serial_cfg_mem *cfg_mem; tuple_t *tuple; u_char *buf; cisparse_t *parse; cistpl_cftable_entry_t *cf; config_info_t config; int i, j, try; int s; cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL); if (!cfg_mem) return -1; tuple = &cfg_mem->tuple; parse = &cfg_mem->parse; cf = &parse->cftable_entry; buf = cfg_mem->buf; /* If the card is already configured, look up the port and irq */ i = pcmcia_get_configuration_info(link, &config); if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) { kio_addr_t port = 0; if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) { port = config.BasePort2; info->slave = 1; } else if ((info->manfid == MANFID_OSITECH) && (config.NumPorts1 == 0x40)) { port = config.BasePort1 + 0x28; info->slave = 1; } if (info->slave) { kfree(cfg_mem); return setup_serial(link, info, port, config.AssignedIRQ); } } /* First pass: look for a config entry that looks normal. */ tuple->TupleData = (cisdata_t *) buf; tuple->TupleOffset = 0;