summaryrefslogtreecommitdiffstats
path: root/drivers/ata/pata_pcmcia.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/pata_pcmcia.c')
-rw-r--r--drivers/ata/pata_pcmcia.c393
1 files changed, 393 insertions, 0 deletions
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
new file mode 100644
index 0000000..2abe0a3
--- /dev/null
+++ b/drivers/ata/pata_pcmcia.c
@@ -0,0 +1,393 @@
+/*
+ * pata_pcmcia.c - PCMCIA PATA controller driver.
+ * Copyright 2005-2006 Red Hat Inc <alan@redhat.com>, all rights reserved.
+ * PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
+ * <openembedded@hrw.one.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Heavily based upon ide-cs.c
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <scsi/scsi_host.h>
+#include <linux/ata.h>
+#include <linux/libata.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 "pata_pcmcia"
+#define DRV_VERSION "0.2.9"
+
+/*
+ * Private data structure to glue stuff together
+ */
+
+struct ata_pcmcia_info {
+ struct pcmcia_device *pdev;
+ int ndev;
+ dev_node_t node;
+};
+
+static struct scsi_host_template pcmcia_sht = {
+ .module = THIS_MODULE,
+ .name = DRV_NAME,
+ .ioctl = ata_scsi_ioctl,
+ .queuecommand = ata_scsi_queuecmd,
+ .can_queue = ATA_DEF_QUEUE,
+ .this_id = ATA_SHT_THIS_ID,
+ .sg_tablesize = LIBATA_MAX_PRD,
+ .max_sectors = ATA_MAX_SECTORS,
+ .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
+ .emulated = ATA_SHT_EMULATED,
+ .use_clustering = ATA_SHT_USE_CLUSTERING,
+ .proc_name = DRV_NAME,
+ .dma_boundary = ATA_DMA_BOUNDARY,
+ .slave_configure = ata_scsi_slave_config,
+ .bios_param = ata_std_bios_param,
+};
+
+static struct ata_port_operations pcmcia_port_ops = {
+ .port_disable = ata_port_disable,
+ .tf_load = ata_tf_load,
+ .tf_read = ata_tf_read,
+ .check_status = ata_check_status,
+ .exec_command = ata_exec_command,
+ .dev_select = ata_std_dev_select,
+
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = ata_bmdma_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
+
+ .qc_prep = ata_qc_prep,
+ .qc_issue = ata_qc_issue_prot,
+ .eng_timeout = ata_eng_timeout,
+ .data_xfer = ata_pio_data_xfer_noirq,
+
+ .irq_handler = ata_interrupt,
+ .irq_clear = ata_bmdma_irq_clear,
+
+ .port_start = ata_port_start,
+ .port_stop = ata_port_stop,
+ .host_stop = ata_host_stop
+};
+
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+/**
+ * pcmcia_init_one - attach a PCMCIA interface
+ * @pdev: pcmcia device
+ *
+ * Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
+ * shared IRQ.
+ */
+
+static int pcmcia_init_one(struct pcmcia_device *pdev)
+{
+ struct ata_probe_ent ae;
+ struct ata_pcmcia_info *info;
+ tuple_t tuple;
+ struct {
+ unsigned short buf[128];
+ cisparse_t parse;
+ config_info_t conf;
+ cistpl_cftable_entry_t dflt;
+ } *stk = NULL;
+ cistpl_cftable_entry_t *cfg;
+ int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM;
+ unsigned long io_base, ctl_base;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (info == NULL)
+ return -ENOMEM;
+
+ /* Glue stuff together. FIXME: We may be able to get rid of info with care */
+ info->pdev = pdev;
+ pdev->priv = info;
+
+ /* Set up attributes in order to probe card and get resources */
+ pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+ pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
+ pdev->io.IOAddrLines = 3;
+ pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
+ pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
+ pdev->conf.Attributes = CONF_ENABLE_IRQ;
+ pdev->conf.IntType = INT_MEMORY_AND_IO;
+
+ /* Allocate resoure probing structures */
+
+ stk = kzalloc(sizeof(*stk), GFP_KERNEL);
+ if (!stk)
+ goto out1;
+
+ cfg = &stk->parse.cftable_entry;
+
+ /* Tuples we are walking */
+ 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(pdev, &tuple));
+ CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple));
+ CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, &stk->parse));
+ pdev->conf.ConfigBase = stk->parse.config.base;
+ pdev->conf.Present = stk->parse.config.rmask[0];
+
+ /* See if we have a manufacturer identifier. Use it to set is_kme for
+ vendor quirks */
+ tuple.DesiredTuple = CISTPL_MANFID;
+ if (!pcmcia_get_first_tuple(pdev, &tuple) && !pcmcia_get_tuple_data(pdev, &tuple) && !pcmcia_parse_tuple(pdev, &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)));
+
+ /* Not sure if this is right... look up the current Vcc */
+ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &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(pdev, &tuple));
+
+ /* Now munch the resources looking for a suitable set */
+ while (1) {
+ if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
+ goto next_entry;
+ if (pcmcia_parse_tuple(pdev, &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))
+ pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
+ pdev->conf.Vpp = 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;
+ 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 = (is_kme) ? 2 : 1;
+ if (pcmcia_request_io(pdev, &pdev->io) != 0)
+ goto next_entry;
+ io_base = pdev->io.BasePort1;
+ 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)
+ goto next_entry;
+ io_base = pdev->io.BasePort1;
+ ctl_base = pdev->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(pdev, &tuple));
+ } else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
+ memset(&stk->dflt, 0, sizeof(stk->dflt));
+ pass++;
+ }
+ }
+
+ CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
+ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
+
+ /* Success. Disable the IRQ nIEN line, do quirks */
+ outb(0x02, ctl_base);
+ if (is_kme)
+ outb(0x81, ctl_base + 0x01);
+
+ /* FIXME: Could be more ports at base + 0x10 but we only deal with
+ one right now */
+ if (pdev->io.NumPorts1 >= 0x20)
+ printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n");
+
+ /*
+ * Having done the PCMCIA plumbing the ATA side is relatively
+ * sane.
+ */
+
+ memset(&ae, 0, sizeof(struct ata_probe_ent));
+ INIT_LIST_HEAD(&ae.node);
+ ae.dev = &pdev->dev;
+ ae.port_ops = &pcmcia_port_ops;
+ ae.sht = &pcmcia_sht;
+ ae.n_ports = 1;
+ ae.pio_mask = 1; /* ISA so PIO 0 cycles */
+ ae.irq = pdev->irq.AssignedIRQ;
+ ae.irq_flags = SA_SHIRQ;
+ ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
+ ae.port[0].cmd_addr = io_base;
+ ae.port[0].altstatus_addr = ctl_base;
+ ae.port[0].ctl_addr = ctl_base;
+ ata_std_ports(&ae.port[0]);
+
+ if (ata_device_add(&ae) == 0)
+ goto failed;
+
+ info->ndev = 1;
+ kfree(stk);
+ return 0;
+
+cs_failed:
+ cs_error(pdev, last_fn, last_ret);
+failed:
+ kfree(stk);
+ info->ndev = 0;
+ pcmcia_disable_device(pdev);
+out1:
+ kfree(info);
+ return ret;
+}
+
+/**
+ * pcmcia_remove_one - unplug an pcmcia interface
+ * @pdev: pcmcia device
+ *
+ * A PCMCIA ATA device has been unplugged. Perform the needed
+ * cleanup. Also called on module unload for any active devices.
+ */
+
+static void pcmcia_remove_one(struct pcmcia_device *pdev)
+{
+ struct ata_pcmcia_info *info = pdev->priv;
+ struct device *dev = &pdev->dev;
+
+ if (info != NULL) {
+ /* If we have attached the device to the ATA layer, detach it */
+ if (info->ndev) {
+ struct ata_host *host = dev_get_drvdata(dev);
+ ata_host_remove(host);
+ dev_set_drvdata(dev, NULL);
+ }
+ info->ndev = 0;
+ pdev->priv = NULL;
+ }
+ pcmcia_disable_device(pdev);
+ kfree(info);
+}
+
+static struct pcmcia_device_id pcmcia_devices[] = {
+ PCMCIA_DEVICE_FUNC_ID(4),
+ PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
+ 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(0x0319, 0x0000), /* Hitachi */
+ 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("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
+ PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
+ PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
+ 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_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_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, pcmcia_devices);
+
+static struct pcmcia_driver pcmcia_driver = {
+ .owner = THIS_MODULE,
+ .drv = {
+ .name = DRV_NAME,
+ },
+ .id_table = pcmcia_devices,
+ .probe = pcmcia_init_one,
+ .remove = pcmcia_remove_one,
+};
+
+static int __init pcmcia_init(void)
+{
+ return pcmcia_register_driver(&pcmcia_driver);
+}
+
+static void __exit pcmcia_exit(void)
+{
+ pcmcia_unregister_driver(&pcmcia_driver);
+}
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+module_init(pcmcia_init);
+module_exit(pcmcia_exit);
OpenPOWER on IntegriCloud