| /*====================================================================== |
| |
| 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 <linux/delay.h> |
| #include <asm/io.h> |
| #include <asm/system.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 void ide_config(dev_link_t *); |
| |
| static void ide_detach(struct pcmcia_device *p_dev); |
| |
| |
| |
| |
| /*====================================================================== |
| |
| ide_attach() creates an "instance" of the driver, allocating |
| local data structures for one device. The device is registered |
| with Card Services. |
| |
| ======================================================================*/ |
| |
| static int ide_attach(struct pcmcia_device *p_dev) |
| { |
| ide_info_t *info; |
| dev_link_t *link; |
| |
| DEBUG(0, "ide_attach()\n"); |
| |
| /* Create new ide device */ |
| info = kzalloc(sizeof(*info), GFP_KERNEL); |
| if (!info) |
| return -ENOMEM; |
| 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; |
| |
| link->handle = p_dev; |
| p_dev->instance = link; |
| |
| link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; |
| ide_config(link); |
| |
| return 0; |
| } /* 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(struct pcmcia_device *p_dev) |
| { |
| dev_link_t *link = dev_to_instance(p_dev); |
| |
| DEBUG(0, "ide_detach(0x%p)\n", link); |
| |
| if (link->state & DEV_CONFIG) |
| ide_release(link); |
| |
| kfree(link->priv); |
| } /* ide_detach */ |
| |
| static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) |
| { |
| hw_regs_t hw; |
| memset(&hw, 0, sizeof(hw)); |
| ide_init_hwif_ports(&hw, io, ctl, NULL); |
| hw.irq = irq; |
| hw.chipset = ide_pci; |
| hw.dev = &handle->dev; |
| 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 = kzalloc(sizeof(*stk), GFP_KERNEL); |
| if (!stk) goto err_mem; |
| 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, handle); |
| 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, handle); |
| if (hd >= 0) { |
| io_base += 0x10; |
| ctl_base += 0x10; |
| break; |
| } |
| } |
| msleep(100); |
| } |
| |
| 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 */ |
| |
| static int ide_suspend(struct pcmcia_device *dev) |
| { |
| dev_link_t *link = dev_to_instance(dev); |
| |
| link->state |= DEV_SUSPEND; |
| if (link->state & DEV_CONFIG) |
| pcmcia_release_configuration(link->handle); |
| |
| return 0; |
| } |
| |
| static int ide_resume(struct pcmcia_device *dev) |
| { |
| dev_link_t *link = dev_to_instance(dev); |
| |
| link->state &= ~DEV_SUSPEND; |
| if (DEV_OK(link)) |
| pcmcia_request_configuration(link->handle, &link->conf); |
| |
| return 0; |
| } |
| |
| /*====================================================================== |
| |
| 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. |
| |
| ======================================================================*/ |
| |
| static struct pcmcia_device_id ide_ids[] = { |
| PCMCIA_DEVICE_FUNC_ID(4), |
| PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), |
| PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), |
| PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ |
| PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), |
| PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ |
| PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), |
| PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */ |
| PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), |
| PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74), |
| PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9), |
| PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591), |
| PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728), |
| PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591), |
| PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4), |
| PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde), |
| PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf), |
| PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), |
| PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), |
| PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), |
| PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), |
| PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), |
| PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), |
| PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), |
| PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), |
| PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), |
| PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), |
| PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), |
| PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), |
| PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), |
| PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), |
| PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), |
| PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), |
| PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), |
| PCMCIA_DEVICE_NULL, |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, ide_ids); |
| |
| static struct pcmcia_driver ide_cs_driver = { |
| .owner = THIS_MODULE, |
| .drv = { |
| .name = "ide-cs", |
| }, |
| .probe = ide_attach, |
| .remove = ide_detach, |
| .id_table = ide_ids, |
| .suspend = ide_suspend, |
| .resume = ide_resume, |
| }; |
| |
| 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); |
| } |
| |
| late_initcall(init_ide_cs); |
| module_exit(exit_ide_cs); |