475 lines
16 KiB
C
475 lines
16 KiB
C
/*======================================================================
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A driver for PCMCIA IDE/ATA disk cards
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The contents of this file are subject to the Mozilla Public
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License Version 1.1 (the "License"); you may not use this file
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except in compliance with the License. You may obtain a copy of
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the License at http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS
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IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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The initial developer of the original code is David A. Hinds
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<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
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are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
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Alternatively, the contents of this file may be used under the
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terms of the GNU General Public License version 2 (the "GPL"), in
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which case the provisions of the GPL are applicable instead of the
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above. If you wish to allow the use of your version of this file
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only under the terms of the GPL and not to allow others to use
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your version of this file under the MPL, indicate your decision
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by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this
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file under either the MPL or the GPL.
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======================================================================*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/ptrace.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <linux/ide.h>
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#include <linux/major.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/ds.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ciscode.h>
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#define DRV_NAME "ide-cs"
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/*====================================================================*/
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/* Module parameters */
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MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
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MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
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MODULE_LICENSE("Dual MPL/GPL");
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#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
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#ifdef CONFIG_PCMCIA_DEBUG
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INT_MODULE_PARM(pc_debug, 0);
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#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
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#else
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#define DEBUG(n, args...)
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#endif
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/*====================================================================*/
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typedef struct ide_info_t {
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struct pcmcia_device *p_dev;
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struct ide_host *host;
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int ndev;
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dev_node_t node;
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} ide_info_t;
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static void ide_release(struct pcmcia_device *);
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static int ide_config(struct pcmcia_device *);
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static void ide_detach(struct pcmcia_device *p_dev);
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/*======================================================================
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ide_attach() creates an "instance" of the driver, allocating
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local data structures for one device. The device is registered
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with Card Services.
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======================================================================*/
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static int ide_probe(struct pcmcia_device *link)
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{
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ide_info_t *info;
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DEBUG(0, "ide_attach()\n");
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/* Create new ide device */
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info = kzalloc(sizeof(*info), GFP_KERNEL);
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if (!info)
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return -ENOMEM;
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info->p_dev = link;
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link->priv = info;
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link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
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link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
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link->io.IOAddrLines = 3;
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link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
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link->irq.IRQInfo1 = IRQ_LEVEL_ID;
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link->conf.Attributes = CONF_ENABLE_IRQ;
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link->conf.IntType = INT_MEMORY_AND_IO;
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return ide_config(link);
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} /* ide_attach */
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/*======================================================================
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This deletes a driver "instance". The device is de-registered
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with Card Services. If it has been released, all local data
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structures are freed. Otherwise, the structures will be freed
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when the device is released.
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======================================================================*/
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static void ide_detach(struct pcmcia_device *link)
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{
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ide_info_t *info = link->priv;
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ide_hwif_t *hwif = info->host->ports[0];
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unsigned long data_addr, ctl_addr;
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DEBUG(0, "ide_detach(0x%p)\n", link);
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data_addr = hwif->io_ports.data_addr;
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ctl_addr = hwif->io_ports.ctl_addr;
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ide_release(link);
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release_region(ctl_addr, 1);
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release_region(data_addr, 8);
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kfree(info);
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} /* ide_detach */
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static const struct ide_port_ops idecs_port_ops = {
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.quirkproc = ide_undecoded_slave,
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};
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static const struct ide_port_info idecs_port_info = {
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.port_ops = &idecs_port_ops,
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.host_flags = IDE_HFLAG_NO_DMA,
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.irq_flags = IRQF_SHARED,
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};
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static struct ide_host *idecs_register(unsigned long io, unsigned long ctl,
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unsigned long irq, struct pcmcia_device *handle)
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{
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struct ide_host *host;
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ide_hwif_t *hwif;
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int i, rc;
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hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
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if (!request_region(io, 8, DRV_NAME)) {
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printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
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DRV_NAME, io, io + 7);
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return NULL;
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}
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if (!request_region(ctl, 1, DRV_NAME)) {
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printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
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DRV_NAME, ctl);
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release_region(io, 8);
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return NULL;
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}
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memset(&hw, 0, sizeof(hw));
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ide_std_init_ports(&hw, io, ctl);
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hw.irq = irq;
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hw.chipset = ide_pci;
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hw.dev = &handle->dev;
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rc = ide_host_add(&idecs_port_info, hws, &host);
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if (rc)
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goto out_release;
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hwif = host->ports[0];
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if (hwif->present)
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return host;
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/* retry registration in case device is still spinning up */
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for (i = 0; i < 10; i++) {
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msleep(100);
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ide_port_scan(hwif);
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if (hwif->present)
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return host;
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}
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return host;
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out_release:
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release_region(ctl, 1);
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release_region(io, 8);
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return NULL;
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}
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/*======================================================================
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ide_config() is scheduled to run after a CARD_INSERTION event
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is received, to configure the PCMCIA socket, and to make the
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ide device available to the system.
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======================================================================*/
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#define CS_CHECK(fn, ret) \
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do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
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struct pcmcia_config_check {
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unsigned long ctl_base;
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int skip_vcc;
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int is_kme;
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};
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static int pcmcia_check_one_config(struct pcmcia_device *pdev,
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cistpl_cftable_entry_t *cfg,
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cistpl_cftable_entry_t *dflt,
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unsigned int vcc,
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void *priv_data)
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{
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struct pcmcia_config_check *stk = priv_data;
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/* Check for matching Vcc, unless we're desperate */
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if (!stk->skip_vcc) {
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if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
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if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
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return -ENODEV;
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} else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
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if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000)
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return -ENODEV;
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}
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}
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if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
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pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
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else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
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pdev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
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if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
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cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
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pdev->conf.ConfigIndex = cfg->index;
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pdev->io.BasePort1 = io->win[0].base;
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pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
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if (!(io->flags & CISTPL_IO_16BIT))
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pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
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if (io->nwin == 2) {
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pdev->io.NumPorts1 = 8;
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pdev->io.BasePort2 = io->win[1].base;
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pdev->io.NumPorts2 = (stk->is_kme) ? 2 : 1;
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if (pcmcia_request_io(pdev, &pdev->io) != 0)
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return -ENODEV;
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stk->ctl_base = pdev->io.BasePort2;
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} else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
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pdev->io.NumPorts1 = io->win[0].len;
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pdev->io.NumPorts2 = 0;
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if (pcmcia_request_io(pdev, &pdev->io) != 0)
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return -ENODEV;
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stk->ctl_base = pdev->io.BasePort1 + 0x0e;
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} else
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return -ENODEV;
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/* If we've got this far, we're done */
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return 0;
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}
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return -ENODEV;
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}
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static int ide_config(struct pcmcia_device *link)
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{
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ide_info_t *info = link->priv;
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struct pcmcia_config_check *stk = NULL;
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int last_ret = 0, last_fn = 0, is_kme = 0;
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unsigned long io_base, ctl_base;
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struct ide_host *host;
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DEBUG(0, "ide_config(0x%p)\n", link);
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is_kme = ((link->manf_id == MANFID_KME) &&
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((link->card_id == PRODID_KME_KXLC005_A) ||
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(link->card_id == PRODID_KME_KXLC005_B)));
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stk = kzalloc(sizeof(*stk), GFP_KERNEL);
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if (!stk)
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goto err_mem;
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stk->is_kme = is_kme;
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stk->skip_vcc = io_base = ctl_base = 0;
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if (pcmcia_loop_config(link, pcmcia_check_one_config, stk)) {
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stk->skip_vcc = 1;
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if (pcmcia_loop_config(link, pcmcia_check_one_config, stk))
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goto failed; /* No suitable config found */
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}
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io_base = link->io.BasePort1;
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ctl_base = stk->ctl_base;
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CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
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CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
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/* disable drive interrupts during IDE probe */
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outb(0x02, ctl_base);
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/* special setup for KXLC005 card */
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if (is_kme)
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outb(0x81, ctl_base+1);
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host = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
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if (host == NULL && link->io.NumPorts1 == 0x20) {
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outb(0x02, ctl_base + 0x10);
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host = idecs_register(io_base + 0x10, ctl_base + 0x10,
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link->irq.AssignedIRQ, link);
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}
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if (host == NULL)
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goto failed;
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info->ndev = 1;
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sprintf(info->node.dev_name, "hd%c", 'a' + host->ports[0]->index * 2);
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info->node.major = host->ports[0]->major;
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info->node.minor = 0;
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info->host = host;
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link->dev_node = &info->node;
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printk(KERN_INFO "ide-cs: %s: Vpp = %d.%d\n",
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info->node.dev_name, link->conf.Vpp / 10, link->conf.Vpp % 10);
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kfree(stk);
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return 0;
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err_mem:
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printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
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goto failed;
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cs_failed:
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cs_error(link, last_fn, last_ret);
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failed:
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kfree(stk);
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ide_release(link);
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return -ENODEV;
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} /* ide_config */
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/*======================================================================
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After a card is removed, ide_release() will unregister the net
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device, and release the PCMCIA configuration. If the device is
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still open, this will be postponed until it is closed.
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======================================================================*/
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static void ide_release(struct pcmcia_device *link)
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{
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ide_info_t *info = link->priv;
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struct ide_host *host = info->host;
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DEBUG(0, "ide_release(0x%p)\n", link);
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if (info->ndev)
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/* FIXME: if this fails we need to queue the cleanup somehow
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-- need to investigate the required PCMCIA magic */
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ide_host_remove(host);
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info->ndev = 0;
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pcmcia_disable_device(link);
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} /* ide_release */
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/*======================================================================
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The card status event handler. Mostly, this schedules other
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stuff to run after an event is received. A CARD_REMOVAL event
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also sets some flags to discourage the ide drivers from
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talking to the ports.
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======================================================================*/
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static struct pcmcia_device_id ide_ids[] = {
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PCMCIA_DEVICE_FUNC_ID(4),
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PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
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PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
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PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
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PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
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PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
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PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
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PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
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PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
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PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
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PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
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PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
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PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
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PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
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PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
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PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
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PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
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PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
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PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
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PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
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PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
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PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
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PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
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PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
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PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
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PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
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PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
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PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
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PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
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PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
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PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
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PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
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PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
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PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
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PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
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PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
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PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
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PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
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PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
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PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
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PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
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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_PROD_ID2("Flash Card", 0x5a362506),
|
|
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);
|