From: Ondrej Zary Date: Mon, 27 May 2019 20:19:47 +0000 (+0200) Subject: scsi: fdomain: Add PCMCIA support X-Git-Tag: v5.4-rc1~491^2~128 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8674a8aa2c399cb4014052796ba4bd0fbd6f3c03;p=platform%2Fkernel%2Flinux-rpi.git scsi: fdomain: Add PCMCIA support Add PCMCIA card support to Future Domain SCSI driver. Tested with IBM SCSI PCMCIA Adapter 40G1890. Signed-off-by: Ondrej Zary Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 297ccc799..b5e6697 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -510,6 +510,7 @@ struct Scsi_Host *fdomain_create(int base, int irq, int this_id, static const char * const chip_names[] = { "Unknown", "TMC-1800", "TMC-18C50", "TMC-18C30" }; + unsigned long irq_flags = 0; chip = fdomain_identify(base); if (!chip) @@ -541,8 +542,10 @@ struct Scsi_Host *fdomain_create(int base, int irq, int this_id, fd->chip = chip; INIT_WORK(&fd->work, fdomain_work); - if (request_irq(irq, fdomain_irq, dev_is_pci(dev) ? IRQF_SHARED : 0, - "fdomain", fd)) + if (dev_is_pci(dev) || !strcmp(dev->bus->name, "pcmcia")) + irq_flags = IRQF_SHARED; + + if (request_irq(irq, fdomain_irq, irq_flags, "fdomain", fd)) goto fail_put; shost_printk(KERN_INFO, sh, "%s chip at 0x%x irq %d SCSI ID %d\n", diff --git a/drivers/scsi/pcmcia/Kconfig b/drivers/scsi/pcmcia/Kconfig index 2d435f1..169d93f9 100644 --- a/drivers/scsi/pcmcia/Kconfig +++ b/drivers/scsi/pcmcia/Kconfig @@ -19,6 +19,16 @@ config PCMCIA_AHA152X To compile this driver as a module, choose M here: the module will be called aha152x_cs. +config PCMCIA_FDOMAIN + tristate "Future Domain PCMCIA support" + select SCSI_FDOMAIN + help + Say Y here if you intend to attach this type of PCMCIA SCSI host + adapter to your computer. + + To compile this driver as a module, choose M here: the + module will be called fdomain_cs. + config PCMCIA_NINJA_SCSI tristate "NinjaSCSI-3 / NinjaSCSI-32Bi (16bit) PCMCIA support" depends on !64BIT diff --git a/drivers/scsi/pcmcia/Makefile b/drivers/scsi/pcmcia/Makefile index a5a24dd..02f5b44 100644 --- a/drivers/scsi/pcmcia/Makefile +++ b/drivers/scsi/pcmcia/Makefile @@ -4,6 +4,7 @@ ccflags-y := -I $(srctree)/drivers/scsi # 16-bit client drivers obj-$(CONFIG_PCMCIA_QLOGIC) += qlogic_cs.o +obj-$(CONFIG_PCMCIA_FDOMAIN) += fdomain_cs.o obj-$(CONFIG_PCMCIA_AHA152X) += aha152x_cs.o obj-$(CONFIG_PCMCIA_NINJA_SCSI) += nsp_cs.o obj-$(CONFIG_PCMCIA_SYM53C500) += sym53c500_cs.o diff --git a/drivers/scsi/pcmcia/fdomain_cs.c b/drivers/scsi/pcmcia/fdomain_cs.c new file mode 100644 index 0000000..e42acf3 --- /dev/null +++ b/drivers/scsi/pcmcia/fdomain_cs.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) +/* + * Driver for Future Domain-compatible PCMCIA SCSI cards + * Copyright 2019 Ondrej Zary + * + * The initial developer of the original code is David A. Hinds + * . Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + */ + +#include +#include +#include +#include +#include +#include "fdomain.h" + +MODULE_AUTHOR("Ondrej Zary, David Hinds"); +MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); +MODULE_LICENSE("Dual MPL/GPL"); + +static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + p_dev->resource[0]->end = FDOMAIN_REGION_SIZE; + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + return pcmcia_request_io(p_dev); +} + +static int fdomain_probe(struct pcmcia_device *link) +{ + int ret; + struct Scsi_Host *sh; + + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; + link->config_regs = PRESENT_OPTION; + + ret = pcmcia_loop_config(link, fdomain_config_check, NULL); + if (ret) + return ret; + + ret = pcmcia_enable_device(link); + if (ret) + goto fail_disable; + + if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE, + "fdomain_cs")) + goto fail_disable; + + sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev); + if (!sh) { + dev_err(&link->dev, "Controller initialization failed"); + ret = -ENODEV; + goto fail_release; + } + + link->priv = sh; + + return 0; + +fail_release: + release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE); +fail_disable: + pcmcia_disable_device(link); + return ret; +} + +static void fdomain_remove(struct pcmcia_device *link) +{ + fdomain_destroy(link->priv); + release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE); + pcmcia_disable_device(link); +} + +static const struct pcmcia_device_id fdomain_ids[] = { + PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, + 0x859cad20), + PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), + PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", + "SCSI PCMCIA Credit Card Controller", + 0x182bdafe, 0xc80d106f), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); + +static struct pcmcia_driver fdomain_cs_driver = { + .owner = THIS_MODULE, + .name = "fdomain_cs", + .probe = fdomain_probe, + .remove = fdomain_remove, + .id_table = fdomain_ids, +}; + +module_pcmcia_driver(fdomain_cs_driver);