--- /dev/null
+/*
+ * pata_pcmcia.c - PCMCIA PATA controller driver.
+ * Copyright 2005-2006 Red Hat Inc, 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/blkdev.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <scsi/scsi_host.h>
+#include <linux/ata.h>
+#include <linux/libata.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 "0.3.5"
+
+/**
+ * pcmcia_set_mode - PCMCIA specific mode setup
+ * @link: link
+ * @r_failed_dev: Return pointer for failed device
+ *
+ * Perform the tuning and setup of the devices and timings, which
+ * for PCMCIA is the same as any other controller. We wrap it however
+ * as we need to spot hardware with incorrect or missing master/slave
+ * decode, which alas is embarrassingly common in the PC world
+ */
+
+static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
+{
+ struct ata_device *master = &link->device[0];
+ struct ata_device *slave = &link->device[1];
+
+ if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
+ return ata_do_set_mode(link, r_failed_dev);
+
+ if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV,
+ ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
+ /* Suspicious match, but could be two cards from
+ the same vendor - check serial */
+ if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
+ ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
+ ata_dev_warn(slave, "is a ghost device, ignoring\n");
+ ata_dev_disable(slave);
+ }
+ }
+ return ata_do_set_mode(link, r_failed_dev);
+}
+
+/**
+ * pcmcia_set_mode_8bit - PCMCIA specific mode setup
+ * @link: link
+ * @r_failed_dev: Return pointer for failed device
+ *
+ * For the simple emulated 8bit stuff the less we do the better.
+ */
+
+static int pcmcia_set_mode_8bit(struct ata_link *link,
+ struct ata_device **r_failed_dev)
+{
+ return 0;
+}
+
+/**
+ * ata_data_xfer_8bit - Transfer data by 8bit PIO
+ * @dev: device to target
+ * @buf: data buffer
+ * @buflen: buffer length
+ * @rw: read/write
+ *
+ * Transfer data from/to the device data register by 8 bit PIO.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+
+static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
+ unsigned char *buf, unsigned int buflen, int rw)
+{
+ struct ata_port *ap = dev->link->ap;
+
+ if (rw == READ)
+ ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
+ else
+ iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
+
+ return buflen;
+}
+
+/**
+ * pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
+ * @qc: command
+ *
+ * Drain the FIFO and device of any stuck data following a command
+ * failing to complete. In some cases this is necessary before a
+ * reset will recover the device.
+ *
+ */
+
+static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
+{
+ int count;
+ struct ata_port *ap;
+
+ /* We only need to flush incoming data when a command was running */
+ if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
+ return;
+
+ ap = qc->ap;
+
+ /* Drain up to 64K of data before we give up this recovery method */
+ for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ)
+ && count++ < 65536;)
+ ioread8(ap->ioaddr.data_addr);
+
+ if (count)
+ ata_port_warn(ap, "drained %d bytes to clear DRQ\n", count);
+
+}
+
+static struct scsi_host_template pcmcia_sht = {
+ ATA_PIO_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations pcmcia_port_ops = {
+ .inherits = &ata_sff_port_ops,
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
+ .cable_detect = ata_cable_40wire,
+ .set_mode = pcmcia_set_mode,
+};
+
+static struct ata_port_operations pcmcia_8bit_port_ops = {
+ .inherits = &ata_sff_port_ops,
+ .sff_data_xfer = ata_data_xfer_8bit,
+ .cable_detect = ata_cable_40wire,
+ .set_mode = pcmcia_set_mode_8bit,
+ .sff_drain_fifo = pcmcia_8bit_drain_fifo,
+};
+
+
+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);
+}
+
+/**
+ * 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_host *host;
+ struct ata_port *ap;
+ int is_kme = 0, ret = -ENOMEM, p;
+ unsigned long io_base, ctl_base;
+ void __iomem *io_addr, *ctl_addr;
+ int n_ports = 1;
+ struct ata_port_operations *ops = &pcmcia_port_ops;
+
+ /* Set up attributes in order to probe card and get resources */
+ pdev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO |
+ CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC;
+
+ /* See if we have a manufacturer identifier. Use it to set is_kme for
+ vendor quirks */
+ is_kme = ((pdev->manf_id == MANFID_KME) &&
+ ((pdev->card_id == PRODID_KME_KXLC005_A) ||
+ (pdev->card_id == PRODID_KME_KXLC005_B)));
+
+ if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme)) {
+ pdev->config_flags &= ~CONF_AUTO_CHECK_VCC;
+ if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme))
+ goto failed; /* No suitable config found */
+ }
+ io_base = pdev->resource[0]->start;
+ if (pdev->resource[1]->end)
+ ctl_base = pdev->resource[1]->start;
+ else
+ ctl_base = pdev->resource[0]->start + 0x0e;
+
+ if (!pdev->irq)
+ goto failed;
+
+ ret = pcmcia_enable_device(pdev);
+ if (ret)
+ goto failed;
+
+ /* iomap */
+ ret = -ENOMEM;
+ io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
+ ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
+ if (!io_addr || !ctl_addr)
+ goto failed;
+
+ /* Success. Disable the IRQ nIEN line, do quirks */
+ iowrite8(0x02, ctl_addr);
+ if (is_kme)
+ iowrite8(0x81, ctl_addr + 0x01);
+
+ /* FIXME: Could be more ports at base + 0x10 but we only deal with
+ one right now */
+ if (resource_size(pdev->resource[0]) >= 0x20)
+ n_ports = 2;
+
+ if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
+ ops = &pcmcia_8bit_port_ops;
+ /*
+ * Having done the PCMCIA plumbing the ATA side is relatively
+ * sane.
+ */
+ ret = -ENOMEM;
+ host = ata_host_alloc(&pdev->dev, n_ports);
+ if (!host)
+ goto failed;
+
+ for (p = 0; p < n_ports; p++) {
+ ap = host->ports[p];
+
+ ap->ops = ops;
+ ap->pio_mask = ATA_PIO0; /* ISA so PIO 0 cycles */
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+ ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
+ ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
+ ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
+ ata_sff_std_ports(&ap->ioaddr);
+
+ ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
+ }
+
+ /* activate */
+ ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+ IRQF_SHARED, &pcmcia_sht);
+ if (ret)
+ goto failed;
+
+ pdev->priv = host;
+ return 0;
+
+failed:
+ pcmcia_disable_device(pdev);
+ 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_host *host = pdev->priv;
+
+ if (host)
+ ata_host_detach(host);
+
+ pcmcia_disable_device(pdev);
+}
+
+static const struct pcmcia_device_id pcmcia_devices[] = {
+ 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, pcmcia_devices);
+
+static struct pcmcia_driver pcmcia_driver = {
+ .owner = THIS_MODULE,
+ .name = DRV_NAME,
+ .id_table = pcmcia_devices,
+ .probe = pcmcia_init_one,
+ .remove = pcmcia_remove_one,
+};
+module_pcmcia_driver(pcmcia_driver);
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
Code Review / kvmfornfv.git / blobdiff