[libata] Add a bunch of PATA drivers.

The vast majority of drivers and changes are from Alan Cox.  Albert Lee
contributed and maintains pata_pdc2027x.  Adrian Bunk, Andrew Morton,
and Tejun Heo contributed various minor fixes and updates.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

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 000000000000..2abe0a3bbb92
--- /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);