From patchwork Mon Apr 22 17:33:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 10911297 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 586A91708 for ; Mon, 22 Apr 2019 17:34:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BEB028678 for ; Mon, 22 Apr 2019 17:34:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 404B528717; Mon, 22 Apr 2019 17:34:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5BCFD28701 for ; Mon, 22 Apr 2019 17:34:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727538AbfDVRdr (ORCPT ); Mon, 22 Apr 2019 13:33:47 -0400 Received: from hosting.gsystem.sk ([212.5.213.30]:33652 "EHLO hosting.gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726098AbfDVRdr (ORCPT ); Mon, 22 Apr 2019 13:33:47 -0400 Received: from gsql.ggedos.sk (off-20.infotel.telecom.sk [212.5.213.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by hosting.gsystem.sk (Postfix) with ESMTPSA id BEED57A0424; Mon, 22 Apr 2019 19:33:45 +0200 (CEST) From: Ondrej Zary To: Rik Faith , "David A . Hinds" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 3/4] fdomain: Resurrect driver (ISA support) Date: Mon, 22 Apr 2019 19:33:22 +0200 Message-Id: <20190422173323.15365-4-linux@zary.sk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190422173323.15365-1-linux@zary.sk> References: <20190422173323.15365-1-linux@zary.sk> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Future Domain 16xx ISA SCSI support card support. Currently untested. Signed-off-by: Ondrej Zary --- drivers/scsi/Kconfig | 14 +++ drivers/scsi/Makefile | 1 + drivers/scsi/fdomain_isa.c | 227 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 242 insertions(+) create mode 100644 drivers/scsi/fdomain_isa.c diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index f9d058a07e2a..2ea77dafbc00 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -684,6 +684,20 @@ config SCSI_FDOMAIN_PCI To compile this driver as a module, choose M here: the module will be called fdomain_pci. +config SCSI_FDOMAIN_ISA + tristate "Future Domain 16xx ISA SCSI support" + depends on ISA && SCSI + select CHECK_SIGNATURE + select SCSI_FDOMAIN + help + This is support for Future Domain's 16-bit SCSI host adapters + (TMC-1660/1680, TMC-1650/1670, TMC-1610M/MER/MEX) and other adapters + with ISA bus based on the Future Domain chipsets (Quantum ISA-200S, + ISA-250MG; and at least one IBM board). + + To compile this driver as a module, choose M here: the + module will be called fdomain_isa. + config SCSI_GDTH tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support" depends on PCI && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index f6cc4fbe6957..2e2cffff777d 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_SCSI_ISCI) += isci/ obj-$(CONFIG_SCSI_IPS) += ips.o obj-$(CONFIG_SCSI_FDOMAIN) += fdomain.o obj-$(CONFIG_SCSI_FDOMAIN_PCI) += fdomain_pci.o +obj-$(CONFIG_SCSI_FDOMAIN_ISA) += fdomain_isa.o obj-$(CONFIG_SCSI_GENERIC_NCR5380) += g_NCR5380.o obj-$(CONFIG_SCSI_QLOGIC_FAS) += qlogicfas408.o qlogicfas.o obj-$(CONFIG_PCMCIA_QLOGIC) += qlogicfas408.o diff --git a/drivers/scsi/fdomain_isa.c b/drivers/scsi/fdomain_isa.c new file mode 100644 index 000000000000..9f8bf02f175f --- /dev/null +++ b/drivers/scsi/fdomain_isa.c @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include +#include +#include "fdomain.h" + +#define MAXBOARDS_PARAM 4 +static int io[MAXBOARDS_PARAM] = { 0, 0, 0, 0 }; +module_param_hw_array(io, int, ioport, NULL, 0); +MODULE_PARM_DESC(io, "base I/O address of controller (0x140, 0x150, 0x160, 0x170)"); + +static int irq[MAXBOARDS_PARAM] = { 0, 0, 0, 0 }; +module_param_hw_array(irq, int, irq, NULL, 0); +MODULE_PARM_DESC(irq, "IRQ of controller (0=auto [default])"); + +static int scsi_id[MAXBOARDS_PARAM] = { 0, 0, 0, 0 }; +module_param_hw_array(scsi_id, int, other, NULL, 0); +MODULE_PARM_DESC(scsi_id, "SCSI ID of controller (default = 6)"); + +static unsigned long addresses[] = { + 0xc8000, + 0xca000, + 0xce000, + 0xde000, +}; +#define ADDRESS_COUNT ARRAY_SIZE(addresses) + +static unsigned short ports[] = { 0x140, 0x150, 0x160, 0x170 }; +#define PORT_COUNT ARRAY_SIZE(ports) + +/* This driver works *ONLY* for Future Domain cards using the TMC-1800, + * TMC-18C50, or TMC-18C30 chip. This includes models TMC-1650, 1660, 1670, + * and 1680. These are all 16-bit cards. + * + * The following BIOS signature signatures are for boards which do *NOT* + * work with this driver (these TMC-8xx and TMC-9xx boards may work with the + * Seagate driver): + * + * FUTURE DOMAIN CORP. (C) 1986-1988 V4.0I 03/16/88 + * FUTURE DOMAIN CORP. (C) 1986-1989 V5.0C2/14/89 + * FUTURE DOMAIN CORP. (C) 1986-1989 V6.0A7/28/89 + * FUTURE DOMAIN CORP. (C) 1986-1990 V6.0105/31/90 + * FUTURE DOMAIN CORP. (C) 1986-1990 V6.0209/18/90 + * FUTURE DOMAIN CORP. (C) 1986-1990 V7.009/18/90 + * FUTURE DOMAIN CORP. (C) 1992 V8.00.004/02/92 + * + * (The cards which do *NOT* work are all 8-bit cards -- although some of + * them have a 16-bit form-factor, the upper 8-bits are used only for IRQs + * and are *NOT* used for data. You can tell the difference by following + * the tracings on the circuit board -- if only the IRQ lines are involved, + * you have a "8-bit" card, and should *NOT* use this driver.) + */ + +static struct signature signatures[] = { +/* 1 2 3 4 5 6 */ +/* 123456789012345678901234567890123456789012345678901234567890 */ +{ "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 5, 50, 2, 0, 0 }, +{ "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V1.07/28/89", 5, 50, 2, 0, 0 }, +{ "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 72, 50, 2, 0, 2 }, +{ "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.0", 73, 43, 2, 0, 3 }, +{ "FUTURE DOMAIN CORP. (C) 1991 1800-V2.0.", 72, 39, 2, 0, 4 }, +{ "FUTURE DOMAIN CORP. (C) 1992 V3.00.004/02/92", 5, 44, 3, 0, 0 }, +{ "FUTURE DOMAIN TMC-18XX (C) 1993 V3.203/12/93", 5, 44, 3, 2, 0 }, +{ "IBM F1 P2 BIOS v1.0104/29/93", 5, 28, 3, -1, 0 }, +{ "Future Domain Corp. V1.0008/18/93", 5, 33, 3, 4, 0 }, +{ "Future Domain Corp. V1.0008/18/93", 26, 33, 3, 4, 1 }, +{ "Adaptec AHA-2920 PCI-SCSI Card", 42, 31, 3, -1, 1 }, +{ "IBM F1 P264/32", 5, 14, 3, -1, 1 }, +/* This next signature may not be a 3.5 bios */ +{ "Future Domain Corp. V2.0108/18/93", 5, 33, 3, 5, 0 }, +{ "FUTURE DOMAIN CORP. V3.5008/18/93", 5, 34, 3, 5, 0 }, +{ "FUTURE DOMAIN 18c30/18c50/1800 (C) 1994 V3.5", 5, 44, 3, 5, 0 }, +{ "FUTURE DOMAIN CORP. V3.6008/18/93", 5, 34, 3, 6, 0 }, +{ "FUTURE DOMAIN CORP. V3.6108/18/93", 5, 34, 3, 6, 0 }, +{ "FUTURE DOMAIN TMC-18XX", 5, 22, -1, -1, 0 }, +/* Note that the last line will match a "generic" 18XX bios. Because + * Future Domain has changed the host SCSI ID and/or the location of the + * geometry information in the on-board RAM area for each of the first + * three BIOS's, it is still important to enter a fully qualified + * signature in the table for any new BIOS's (after the host SCSI ID and + * geometry location are verified). + */ +}; +#define SIGNATURE_COUNT ARRAY_SIZE(signatures) + +static int fdomain_isa_match(struct device *dev, unsigned int ndev) +{ + struct Scsi_Host *sh; + int i, base = 0, irq = 0, bios_base = 0; + struct signature *sig = NULL; + void __iomem *p; + static int saved_bios_base; + static struct signature *saved_sig; + + if (ndev < ADDRESS_COUNT) { /* scan supported ISA BIOS addresses */ + p = ioremap(addresses[ndev], FDOMAIN_BIOS_SIZE); + if (!p) + return 0; + for (i = 0; i < SIGNATURE_COUNT; i++) + if (check_signature(p + signatures[i].offset, + signatures[i].signature, + signatures[i].length)) + break; + if (i == SIGNATURE_COUNT) /* no signature found */ + goto fail_unmap; + if (signatures[i].flag == 1) /* ignore PCI devices */ + goto fail_unmap; + sig = &signatures[i]; + bios_base = addresses[ndev]; + /* read I/O base from BIOS area */ + if (sig->bios_major == 2) { + switch (sig->flag) { + case 2: /* ISA_200S */ + case 3: /* ISA_250MG */ + base = readb(p + 0x1fa2) + + (readb(p + 0x1fa3) << 8); + break; + case 4: /* ISA_200S (another one) */ + base = readb(p + 0x1fa3) + + (readb(p + 0x1fa4) << 8); + break; + default: + base = readb(p + 0x1fcc) + + (readb(p + 0x1fcd) << 8); + break; + } + } + iounmap(p); + if (!base) { /* no I/O base in BIOS area */ + /* save BIOS info for later use in port probing */ + saved_bios_base = bios_base; + saved_sig = sig; + return 0; + } + } else /* scan supported I/O ports */ + base = ports[ndev - ADDRESS_COUNT]; + + /* use saved BIOS details if present */ + if (!bios_base && saved_bios_base) { + bios_base = saved_bios_base; + sig = saved_sig; + } + + if (!request_region(base, FDOMAIN_REGION_SIZE, "fdomain_isa")) + return 0; + + sh = fdomain_create(base, irq, 0, bios_base, sig, dev); + if (!sh) { + release_region(base, FDOMAIN_REGION_SIZE); + return 0; + } + + dev_set_drvdata(dev, sh); + return 1; +fail_unmap: + iounmap(p); + return 0; +} + +static int fdomain_isa_param_match(struct device *dev, unsigned int ndev) +{ + struct Scsi_Host *sh; + + if (!io[ndev]) + return 0; + + if (!request_region(io[ndev], FDOMAIN_REGION_SIZE, "fdomain_isa")) { + dev_err(dev, "base 0x%x already in use", io[ndev]); + return 0; + } + + sh = fdomain_create(io[ndev], irq[ndev], scsi_id[ndev], 0, NULL, dev); + if (!sh) { + dev_err(dev, "controller not found at base 0x%x", io[ndev]); + release_region(io[ndev], FDOMAIN_REGION_SIZE); + return 0; + } + + dev_set_drvdata(dev, sh); + return 1; +} + +static int fdomain_isa_remove(struct device *dev, unsigned int ndev) +{ + struct Scsi_Host *sh = dev_get_drvdata(dev); + int base = sh->io_port; + + fdomain_destroy(sh); + release_region(base, FDOMAIN_REGION_SIZE); + dev_set_drvdata(dev, NULL); + return 0; +} + +static struct isa_driver fdomain_isa_driver = { + .match = fdomain_isa_match, + .remove = fdomain_isa_remove, + .driver = { + .name = "fdomain_isa", + .pm = FDOMAIN_PM_OPS, + }, +}; + +static int __init fdomain_isa_init(void) +{ + int isa_probe_count = ADDRESS_COUNT + PORT_COUNT; + + if (io[0]) { /* use module parameters if present */ + fdomain_isa_driver.match = fdomain_isa_param_match; + isa_probe_count = MAXBOARDS_PARAM; + } + + return isa_register_driver(&fdomain_isa_driver, isa_probe_count); +} + +static void __exit fdomain_isa_exit(void) +{ + isa_unregister_driver(&fdomain_isa_driver); +} + +module_init(fdomain_isa_init); +module_exit(fdomain_isa_exit); + +MODULE_AUTHOR("Ondrej Zary, Rickard E. Faith"); +MODULE_DESCRIPTION("Future Domain TMC-16x0 ISA SCSI driver"); +MODULE_LICENSE("GPL");