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382 lines
13 KiB
382 lines
13 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* pata_pcmcia.c - PCMCIA PATA controller driver. |
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* Copyright 2005-2006 Red Hat Inc, all rights reserved. |
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* PCMCIA ident update Copyright 2006 Marcin Juszkiewicz |
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* <[email protected]> |
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* |
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* Heavily based upon ide-cs.c |
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* The initial developer of the original code is David A. Hinds |
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* <[email protected]>. Portions created by David A. Hinds |
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* are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/blkdev.h> |
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#include <linux/delay.h> |
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#include <linux/slab.h> |
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#include <scsi/scsi_host.h> |
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#include <linux/ata.h> |
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#include <linux/libata.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 "pata_pcmcia" |
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#define DRV_VERSION "0.3.5" |
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/** |
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* pcmcia_set_mode - PCMCIA specific mode setup |
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* @link: link |
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* @r_failed_dev: Return pointer for failed device |
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* |
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* Perform the tuning and setup of the devices and timings, which |
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* for PCMCIA is the same as any other controller. We wrap it however |
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* as we need to spot hardware with incorrect or missing master/slave |
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* decode, which alas is embarrassingly common in the PC world |
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*/ |
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static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev) |
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{ |
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struct ata_device *master = &link->device[0]; |
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struct ata_device *slave = &link->device[1]; |
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if (!ata_dev_enabled(master) || !ata_dev_enabled(slave)) |
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return ata_do_set_mode(link, r_failed_dev); |
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if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV, |
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ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) { |
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/* Suspicious match, but could be two cards from |
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the same vendor - check serial */ |
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if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO, |
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ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) { |
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ata_dev_warn(slave, "is a ghost device, ignoring\n"); |
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ata_dev_disable(slave); |
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} |
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} |
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return ata_do_set_mode(link, r_failed_dev); |
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} |
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/** |
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* pcmcia_set_mode_8bit - PCMCIA specific mode setup |
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* @link: link |
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* @r_failed_dev: Return pointer for failed device |
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* |
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* For the simple emulated 8bit stuff the less we do the better. |
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*/ |
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static int pcmcia_set_mode_8bit(struct ata_link *link, |
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struct ata_device **r_failed_dev) |
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{ |
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return 0; |
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} |
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/** |
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* ata_data_xfer_8bit - Transfer data by 8bit PIO |
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* @qc: queued command |
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* @buf: data buffer |
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* @buflen: buffer length |
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* @rw: read/write |
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* |
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* Transfer data from/to the device data register by 8 bit PIO. |
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* |
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* LOCKING: |
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* Inherited from caller. |
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*/ |
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static unsigned int ata_data_xfer_8bit(struct ata_queued_cmd *qc, |
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unsigned char *buf, unsigned int buflen, int rw) |
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{ |
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struct ata_port *ap = qc->dev->link->ap; |
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if (rw == READ) |
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ioread8_rep(ap->ioaddr.data_addr, buf, buflen); |
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else |
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iowrite8_rep(ap->ioaddr.data_addr, buf, buflen); |
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return buflen; |
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} |
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/** |
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* pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers |
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* @qc: command |
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* |
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* Drain the FIFO and device of any stuck data following a command |
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* failing to complete. In some cases this is necessary before a |
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* reset will recover the device. |
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* |
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*/ |
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static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc) |
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{ |
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int count; |
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struct ata_port *ap; |
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/* We only need to flush incoming data when a command was running */ |
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if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE) |
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return; |
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ap = qc->ap; |
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/* Drain up to 64K of data before we give up this recovery method */ |
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for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ) |
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&& count++ < 65536;) |
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ioread8(ap->ioaddr.data_addr); |
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if (count) |
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ata_port_warn(ap, "drained %d bytes to clear DRQ\n", count); |
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} |
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static struct scsi_host_template pcmcia_sht = { |
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ATA_PIO_SHT(DRV_NAME), |
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}; |
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static struct ata_port_operations pcmcia_port_ops = { |
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.inherits = &ata_sff_port_ops, |
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.sff_data_xfer = ata_sff_data_xfer32, |
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.cable_detect = ata_cable_40wire, |
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.set_mode = pcmcia_set_mode, |
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}; |
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static struct ata_port_operations pcmcia_8bit_port_ops = { |
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.inherits = &ata_sff_port_ops, |
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.sff_data_xfer = ata_data_xfer_8bit, |
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.cable_detect = ata_cable_40wire, |
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.set_mode = pcmcia_set_mode_8bit, |
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.sff_drain_fifo = pcmcia_8bit_drain_fifo, |
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}; |
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static int pcmcia_check_one_config(struct pcmcia_device *pdev, void *priv_data) |
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{ |
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int *is_kme = priv_data; |
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if ((pdev->resource[0]->flags & IO_DATA_PATH_WIDTH) |
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!= IO_DATA_PATH_WIDTH_8) { |
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pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
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pdev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; |
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} |
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pdev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH; |
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pdev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; |
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if (pdev->resource[1]->end) { |
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pdev->resource[0]->end = 8; |
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pdev->resource[1]->end = (*is_kme) ? 2 : 1; |
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} else { |
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if (pdev->resource[0]->end < 16) |
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return -ENODEV; |
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} |
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return pcmcia_request_io(pdev); |
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} |
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/** |
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* pcmcia_init_one - attach a PCMCIA interface |
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* @pdev: pcmcia device |
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* |
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* Register a PCMCIA IDE interface. Such interfaces are PIO 0 and |
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* shared IRQ. |
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*/ |
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static int pcmcia_init_one(struct pcmcia_device *pdev) |
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{ |
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struct ata_host *host; |
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struct ata_port *ap; |
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int is_kme = 0, ret = -ENOMEM, p; |
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unsigned long io_base, ctl_base; |
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void __iomem *io_addr, *ctl_addr; |
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int n_ports = 1; |
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struct ata_port_operations *ops = &pcmcia_port_ops; |
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/* Set up attributes in order to probe card and get resources */ |
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pdev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO | |
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CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC; |
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/* See if we have a manufacturer identifier. Use it to set is_kme for |
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vendor quirks */ |
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is_kme = ((pdev->manf_id == MANFID_KME) && |
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((pdev->card_id == PRODID_KME_KXLC005_A) || |
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(pdev->card_id == PRODID_KME_KXLC005_B))); |
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if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme)) { |
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pdev->config_flags &= ~CONF_AUTO_CHECK_VCC; |
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if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme)) |
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goto failed; /* No suitable config found */ |
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} |
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io_base = pdev->resource[0]->start; |
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if (pdev->resource[1]->end) |
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ctl_base = pdev->resource[1]->start; |
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else |
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ctl_base = pdev->resource[0]->start + 0x0e; |
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if (!pdev->irq) |
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goto failed; |
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ret = pcmcia_enable_device(pdev); |
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if (ret) |
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goto failed; |
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/* iomap */ |
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ret = -ENOMEM; |
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io_addr = devm_ioport_map(&pdev->dev, io_base, 8); |
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ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1); |
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if (!io_addr || !ctl_addr) |
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goto failed; |
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/* Success. Disable the IRQ nIEN line, do quirks */ |
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iowrite8(0x02, ctl_addr); |
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if (is_kme) |
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iowrite8(0x81, ctl_addr + 0x01); |
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/* FIXME: Could be more ports at base + 0x10 but we only deal with |
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one right now */ |
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if (resource_size(pdev->resource[0]) >= 0x20) |
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n_ports = 2; |
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if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620) |
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ops = &pcmcia_8bit_port_ops; |
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/* |
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* Having done the PCMCIA plumbing the ATA side is relatively |
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* sane. |
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*/ |
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ret = -ENOMEM; |
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host = ata_host_alloc(&pdev->dev, n_ports); |
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if (!host) |
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goto failed; |
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for (p = 0; p < n_ports; p++) { |
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ap = host->ports[p]; |
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ap->ops = ops; |
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ap->pio_mask = ATA_PIO0; /* ISA so PIO 0 cycles */ |
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ap->flags |= ATA_FLAG_SLAVE_POSS; |
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ap->ioaddr.cmd_addr = io_addr + 0x10 * p; |
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ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p; |
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ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p; |
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ata_sff_std_ports(&ap->ioaddr); |
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ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base); |
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} |
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/* activate */ |
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ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt, |
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IRQF_SHARED, &pcmcia_sht); |
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if (ret) |
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goto failed; |
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pdev->priv = host; |
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return 0; |
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failed: |
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pcmcia_disable_device(pdev); |
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return ret; |
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} |
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/** |
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* pcmcia_remove_one - unplug an pcmcia interface |
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* @pdev: pcmcia device |
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* |
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* A PCMCIA ATA device has been unplugged. Perform the needed |
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* cleanup. Also called on module unload for any active devices. |
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*/ |
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static void pcmcia_remove_one(struct pcmcia_device *pdev) |
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{ |
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struct ata_host *host = pdev->priv; |
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if (host) |
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ata_host_detach(host); |
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pcmcia_disable_device(pdev); |
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} |
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static const struct pcmcia_device_id pcmcia_devices[] = { |
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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(0x00f1, 0x0101), /* SanDisk High (>8G) CFA */ |
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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-ROM", 0x46d7db81, 0x66536591), |
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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", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb), |
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PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10), |
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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), |
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PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d), |
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PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6), |
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PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003), |
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PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133), |
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PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47), |
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PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852), |
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PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918), |
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PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209), |
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PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e), |
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PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6), |
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PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506), |
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PCMCIA_DEVICE_NULL, |
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}; |
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MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices); |
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static struct pcmcia_driver pcmcia_driver = { |
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.owner = THIS_MODULE, |
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.name = DRV_NAME, |
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.id_table = pcmcia_devices, |
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.probe = pcmcia_init_one, |
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.remove = pcmcia_remove_one, |
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}; |
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module_pcmcia_driver(pcmcia_driver); |
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MODULE_AUTHOR("Alan Cox"); |
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MODULE_DESCRIPTION("low-level driver for PCMCIA ATA"); |
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MODULE_LICENSE("GPL"); |
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MODULE_VERSION(DRV_VERSION);
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