diff options
Diffstat (limited to 'drivers/ide/ide-cs.c')
| -rw-r--r-- | drivers/ide/ide-cs.c | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c new file mode 100644 index 0000000..cb199c8 --- /dev/null +++ b/drivers/ide/ide-cs.c @@ -0,0 +1,472 @@ +/*====================================================================== + + A driver for PCMCIA IDE/ATA disk 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. + + 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/ptrace.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/ioport.h> +#include <linux/ide.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> + +#define DRV_NAME "ide-cs" + +/*====================================================================*/ + +/* 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 CONFIG_PCMCIA_DEBUG +INT_MODULE_PARM(pc_debug, 0); +#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) +#else +#define DEBUG(n, args...) +#endif + +/*====================================================================*/ + +typedef struct ide_info_t { + struct pcmcia_device *p_dev; + struct ide_host *host; + int ndev; + dev_node_t node; +} ide_info_t; + +static void ide_release(struct pcmcia_device *); +static int ide_config(struct pcmcia_device *); + +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_probe(struct pcmcia_device *link) +{ + ide_info_t *info; + + DEBUG(0, "ide_attach()\n"); + + /* Create new ide 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_AUTO; + link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; + link->io.IOAddrLines = 3; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; + link->irq.IRQInfo1 = IRQ_LEVEL_ID; + link->conf.Attributes = CONF_ENABLE_IRQ; + link->conf.IntType = INT_MEMORY_AND_IO; + + return ide_config(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(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + ide_hwif_t *hwif = info->host->ports[0]; + unsigned long data_addr, ctl_addr; + + DEBUG(0, "ide_detach(0x%p)\n", link); + + data_addr = hwif->io_ports.data_addr; + ctl_addr = hwif->io_ports.ctl_addr; + + ide_release(link); + + release_region(ctl_addr, 1); + release_region(data_addr, 8); + + kfree(info); +} /* ide_detach */ + +static const struct ide_port_ops idecs_port_ops = { + .quirkproc = ide_undecoded_slave, +}; + +static const struct ide_port_info idecs_port_info = { + .port_ops = &idecs_port_ops, + .host_flags = IDE_HFLAG_NO_DMA, +}; + +static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, + unsigned long irq, struct pcmcia_device *handle) +{ + struct ide_host *host; + ide_hwif_t *hwif; + int i, rc; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + + if (!request_region(io, 8, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", + DRV_NAME, io, io + 7); + return NULL; + } + + if (!request_region(ctl, 1, DRV_NAME)) { + printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", + DRV_NAME, ctl); + release_region(io, 8); + return NULL; + } + + memset(&hw, 0, sizeof(hw)); + ide_std_init_ports(&hw, io, ctl); + hw.irq = irq; + hw.chipset = ide_pci; + hw.dev = &handle->dev; + + rc = ide_host_add(&idecs_port_info, hws, &host); + if (rc) + goto out_release; + + hwif = host->ports[0]; + + if (hwif->present) + return host; + + /* retry registration in case device is still spinning up */ + for (i = 0; i < 10; i++) { + msleep(100); + ide_port_scan(hwif); + if (hwif->present) + return host; + } + + return host; + +out_release: + release_region(ctl, 1); + release_region(io, 8); + return NULL; +} + +/*====================================================================== + + 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) + +struct pcmcia_config_check { + unsigned long ctl_base; + int skip_vcc; + int is_kme; +}; + +static int pcmcia_check_one_config(struct pcmcia_device *pdev, + cistpl_cftable_entry_t *cfg, + cistpl_cftable_entry_t *dflt, + unsigned int vcc, + void *priv_data) +{ + struct pcmcia_config_check *stk = priv_data; + + /* Check for matching Vcc, unless we're desperate */ + if (!stk->skip_vcc) { + 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)) + pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; + else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) + pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000; + + if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; + pdev->conf.ConfigIndex = cfg->index; + pdev->io.BasePort1 = io->win[0].base; + pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; + if (!(io->flags & CISTPL_IO_16BIT)) + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + if (io->nwin == 2) { + pdev->io.NumPorts1 = 8; + pdev->io.BasePort2 = io->win[1].base; + pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1; + if (pcmcia_request_io(pdev, &pdev->io) != 0) + return -ENODEV; + stk->ctl_base = pdev->io.BasePort2; + } else if ((io->nwin == 1) && (io->win[0].len >= 16)) { + pdev->io.NumPorts1 = io->win[0].len; + pdev->io.NumPorts2 = 0; + if (pcmcia_request_io(pdev, &pdev->io) != 0) + return -ENODEV; + stk->ctl_base = pdev->io.BasePort1 + 0x0e; + } else + return -ENODEV; + /* If we've got this far, we're done */ + return 0; + } + return -ENODEV; +} + +static int ide_config(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + struct pcmcia_config_check *stk = NULL; + int last_ret = 0, last_fn = 0, is_kme = 0; + unsigned long io_base, ctl_base; + struct ide_host *host; + + DEBUG(0, "ide_config(0x%p)\n", link); + + is_kme = ((link->manf_id == MANFID_KME) && + ((link->card_id == PRODID_KME_KXLC005_A) || + (link->card_id == PRODID_KME_KXLC005_B))); + + stk = kzalloc(sizeof(*stk), GFP_KERNEL); + if (!stk) + goto err_mem; + stk->is_kme = is_kme; + stk->skip_vcc = io_base = ctl_base = 0; + + if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) { + stk->skip_vcc = 1; + if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) + goto failed; /* No suitable config found */ + } + io_base = link->io.BasePort1; + ctl_base = stk->ctl_base; + + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &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); + + host = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); + if (host == NULL && link->io.NumPorts1 == 0x20) { + outb(0x02, ctl_base + 0x10); + host = idecs_register(io_base + 0x10, ctl_base + 0x10, + link->irq.AssignedIRQ, link); + } + + if (host == NULL) + goto failed; + + info->ndev = 1; + sprintf(info->node.dev_name, "hd%c", 'a' + host->ports[0]->index * 2); + info->node.major = host->ports[0]->major; + info->node.minor = 0; + info->host = host; + link->dev_node = &info->node; + printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n", + info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10); + + kfree(stk); + return 0; + +err_mem: + printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n"); + goto failed; + +cs_failed: + cs_error(link, last_fn, last_ret); +failed: + kfree(stk); + ide_release(link); + return -ENODEV; +} /* 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. + +======================================================================*/ + +static void ide_release(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + struct ide_host *host = info->host; + + 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_host_remove(host); + + info->ndev = 0; + + pcmcia_disable_device(link); +} /* 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. + +======================================================================*/ + +static struct pcmcia_device_id ide_ids[] = { + PCMCIA_DEVICE_FUNC_ID(4), + PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */ + PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */ + PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */ + PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */ + PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), + PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904), + PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */ + PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */ + PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */ + PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ + PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), + PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ + PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */ + PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), + PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */ + PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */ + 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("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae), + PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178), + PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420), + PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178), + PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), + PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e), + 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_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee), + PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c), + 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("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883), + PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d), + PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), + PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), + PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), + PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), + PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), + 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_probe, + .remove = ide_detach, + .id_table = ide_ids, +}; + +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); |
