| /* |
| * 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 "0.2.11" |
| |
| /* |
| * 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, |
| .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, |
| .slave_destroy = ata_scsi_slave_destroy, |
| .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, |
| |
| .data_xfer = ata_data_xfer_noirq, |
| |
| .irq_handler = ata_interrupt, |
| .irq_clear = ata_bmdma_irq_clear, |
| .irq_on = ata_irq_on, |
| .irq_ack = ata_irq_ack, |
| |
| .port_start = ata_port_start, |
| }; |
| |
| #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; |
| void __iomem *io_addr, *ctl_addr; |
| |
| 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; |
| |
| /* 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))); |
| |
| /* 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)); |
| |
| /* 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 (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_addr; |
| ae.port[0].altstatus_addr = ctl_addr; |
| ae.port[0].ctl_addr = ctl_addr; |
| ata_std_ports(&ae.port[0]); |
| |
| ret = -ENODEV; |
| 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_detach(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_ID1("TRANSCEND 512M ", 0xd0909443), |
| PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1), |
| 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_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); |