diff options
Diffstat (limited to 'drivers/ide/legacy/ide-cs.c')
| -rw-r--r-- | drivers/ide/legacy/ide-cs.c | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c deleted file mode 100644 index e20327e54b1..00000000000 --- a/drivers/ide/legacy/ide-cs.c +++ /dev/null @@ -1,481 +0,0 @@ -/*====================================================================== - - 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); |