diff options
Diffstat (limited to 'kernel/drivers/ide/ide-cs.c')
| -rw-r--r-- | kernel/drivers/ide/ide-cs.c | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/kernel/drivers/ide/ide-cs.c b/kernel/drivers/ide/ide-cs.c new file mode 100644 index 000000000..f1e922e24 --- /dev/null +++ b/kernel/drivers/ide/ide-cs.c @@ -0,0 +1,364 @@ +/*====================================================================== + + 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 <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"); + +/*====================================================================*/ + +typedef struct ide_info_t { + struct pcmcia_device *p_dev; + struct ide_host *host; + int ndev; +} 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); + +static int ide_probe(struct pcmcia_device *link) +{ + ide_info_t *info; + + dev_dbg(&link->dev, "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->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO | + CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC; + + return ide_config(link); +} /* ide_attach */ + +static void ide_detach(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + + dev_dbg(&link->dev, "ide_detach(0x%p)\n", link); + + ide_release(link); + + 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, + .irq_flags = IRQF_SHARED, + .chipset = ide_pci, +}; + +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; + struct ide_hw hw, *hws[] = { &hw }; + + 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.dev = &handle->dev; + + rc = ide_host_add(&idecs_port_info, hws, 1, &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; +} + +static int pcmcia_check_one_config(struct pcmcia_device *pdev, void *priv_data) +{ + int *is_kme = priv_data; + + if ((pdev->resource[0]->flags & IO_DATA_PATH_WIDTH) + != IO_DATA_PATH_WIDTH_8) { + pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + pdev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + } + pdev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH; + pdev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; + + if (pdev->resource[1]->end) { + pdev->resource[0]->end = 8; + pdev->resource[1]->end = (*is_kme) ? 2 : 1; + } else { + if (pdev->resource[0]->end < 16) + return -ENODEV; + } + + return pcmcia_request_io(pdev); +} + +static int ide_config(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + int ret = 0, is_kme = 0; + unsigned long io_base, ctl_base; + struct ide_host *host; + + dev_dbg(&link->dev, "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))); + + if (pcmcia_loop_config(link, pcmcia_check_one_config, &is_kme)) { + link->config_flags &= ~CONF_AUTO_CHECK_VCC; + if (pcmcia_loop_config(link, pcmcia_check_one_config, &is_kme)) + goto failed; /* No suitable config found */ + } + io_base = link->resource[0]->start; + if (link->resource[1]->end) + ctl_base = link->resource[1]->start; + else + ctl_base = link->resource[0]->start + 0x0e; + + if (!link->irq) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + /* 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, link); + if (host == NULL && resource_size(link->resource[0]) == 0x20) { + outb(0x02, ctl_base + 0x10); + host = idecs_register(io_base + 0x10, ctl_base + 0x10, + link->irq, link); + } + + if (host == NULL) + goto failed; + + info->ndev = 1; + info->host = host; + dev_info(&link->dev, "ide-cs: hd%c: Vpp = %d.%d\n", + 'a' + host->ports[0]->index * 2, + link->vpp / 10, link->vpp % 10); + + return 0; + +failed: + ide_release(link); + return -ENODEV; +} /* ide_config */ + +static void ide_release(struct pcmcia_device *link) +{ + ide_info_t *info = link->priv; + struct ide_host *host = info->host; + + dev_dbg(&link->dev, "ide_release(0x%p)\n", link); + + if (info->ndev) { + ide_hwif_t *hwif = host->ports[0]; + unsigned long data_addr, ctl_addr; + + data_addr = hwif->io_ports.data_addr; + ctl_addr = hwif->io_ports.ctl_addr; + + ide_host_remove(host); + info->ndev = 0; + + release_region(ctl_addr, 1); + release_region(data_addr, 8); + } + + pcmcia_disable_device(link); +} /* ide_release */ + + +static const 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-ROM", 0x46d7db81, 0x66536591), + 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", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb), + PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10), + 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("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133), + PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47), + 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_PROD_ID2("Flash Card", 0x5a362506), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, ide_ids); + +static struct pcmcia_driver ide_cs_driver = { + .owner = THIS_MODULE, + .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); |