diff options
Diffstat (limited to 'kernel/drivers/scsi/pcmcia')
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/Kconfig | 83 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/Makefile | 13 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/aha152x_core.c | 3 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/aha152x_stub.c | 235 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/fdomain_core.c | 2 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/fdomain_stub.c | 209 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/nsp_cs.c | 1761 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/nsp_cs.h | 392 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/nsp_debug.c | 215 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/nsp_io.h | 274 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/nsp_message.c | 78 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/qlogic_stub.c | 318 | ||||
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/sym53c500_cs.c | 898 |
13 files changed, 4481 insertions, 0 deletions
diff --git a/kernel/drivers/scsi/pcmcia/Kconfig b/kernel/drivers/scsi/pcmcia/Kconfig new file mode 100644 index 000000000..ecc855c55 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/Kconfig @@ -0,0 +1,83 @@ +# +# PCMCIA SCSI adapter configuration +# + +menuconfig SCSI_LOWLEVEL_PCMCIA + bool "PCMCIA SCSI adapter support" + depends on SCSI!=n && PCMCIA!=n + +# drivers have problems when build in, so require modules +if SCSI_LOWLEVEL_PCMCIA && SCSI && PCMCIA && m + +config PCMCIA_AHA152X + tristate "Adaptec AHA152X PCMCIA support" + select SCSI_SPI_ATTRS + 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 aha152x_cs. + +config PCMCIA_FDOMAIN + tristate "Future Domain PCMCIA support" + 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 + help + If you intend to attach this type of PCMCIA SCSI host adapter to + your computer, say Y here and read + <file:Documentation/scsi/NinjaSCSI.txt>. + + Supported cards: + + NinjaSCSI-3: (version string: "WBT","NinjaSCSI-3","R1.0") + IO-DATA PCSC-FP + ALPHA DATA AD-PCS201 + CyQ've SFC-201 + LOGITECH LPM-SCSI2E + Pioneer PCR-PR24's card + I-O DATA CDPS-PX24's card (PCSC-F) + Panasonic KXL-RW10AN CD-RW's card + etc. + + NinjaSCSI-32Bit (in 16bit mode): + [Workbit (version string: "WORKBIT","UltraNinja-16","1")] + Jazz SCP050 + [I-O DATA (OEM) (version string: "IO DATA","CBSC16 ","1")] + I-O DATA CBSC-II + [Kyusyu Matsushita Kotobuki (OEM) + (version string: "KME ","SCSI-CARD-001","1")] + KME KXL-820AN's card + HP M820e CDRW's card + etc. + + To compile this driver as a module, choose M here: the + module will be called nsp_cs. + +config PCMCIA_QLOGIC + tristate "Qlogic PCMCIA support" + 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 qlogic_cs. + +config PCMCIA_SYM53C500 + tristate "Symbios 53c500 PCMCIA support" + help + Say Y here if you have a New Media Bus Toaster or other PCMCIA + SCSI adapter based on the Symbios 53c500 controller. + + To compile this driver as a module, choose M here: the + module will be called sym53c500_cs. + +endif # SCSI_LOWLEVEL_PCMCIA diff --git a/kernel/drivers/scsi/pcmcia/Makefile b/kernel/drivers/scsi/pcmcia/Makefile new file mode 100644 index 000000000..683bf148b --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/Makefile @@ -0,0 +1,13 @@ + +ccflags-y := -Idrivers/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 + +aha152x_cs-objs := aha152x_stub.o aha152x_core.o +fdomain_cs-objs := fdomain_stub.o fdomain_core.o +qlogic_cs-objs := qlogic_stub.o diff --git a/kernel/drivers/scsi/pcmcia/aha152x_core.c b/kernel/drivers/scsi/pcmcia/aha152x_core.c new file mode 100644 index 000000000..dba371651 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/aha152x_core.c @@ -0,0 +1,3 @@ +#define PCMCIA 1 +#define AHA152X_STAT 1 +#include "aha152x.c" diff --git a/kernel/drivers/scsi/pcmcia/aha152x_stub.c b/kernel/drivers/scsi/pcmcia/aha152x_stub.c new file mode 100644 index 000000000..7d1609fa2 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/aha152x_stub.c @@ -0,0 +1,235 @@ +/*====================================================================== + + A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards. + + This driver supports the Adaptec AHA-1460, the New Media Bus + Toaster, and the New Media Toast & Jam. + + aha152x_cs.c 1.54 2000/06/12 21:27:25 + + The contents of this file are subject to the Mozilla Public + License Version 1.1 (the "License"); you may not use this file + except in compliance with the License. You may obtain a copy of + the License at http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS + IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + implied. See the License for the specific language governing + rights and limitations under the License. + + 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. + + Alternatively, the contents of this file may be used under the + terms of the GNU General Public License version 2 (the "GPL"), in which + case the provisions of the GPL are applicable instead of the + above. If you wish to allow the use of your version of this file + only under the terms of the GPL and not to allow others to use + your version of this file under the MPL, indicate your decision + by deleting the provisions above and replace them with the notice + and other provisions required by the GPL. If you do not delete + the provisions above, a recipient may use your version of this + file under either the MPL or the GPL. + +======================================================================*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <scsi/scsi.h> +#include <linux/major.h> +#include <linux/blkdev.h> +#include <scsi/scsi_ioctl.h> + +#include "scsi.h" +#include <scsi/scsi_host.h> +#include "aha152x.h" + +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> + + +/*====================================================================*/ + +/* Parameters that can be set with 'insmod' */ + +/* SCSI bus setup options */ +static int host_id = 7; +static int reconnect = 1; +static int parity = 1; +static int synchronous = 1; +static int reset_delay = 100; +static int ext_trans = 0; + +module_param(host_id, int, 0); +module_param(reconnect, int, 0); +module_param(parity, int, 0); +module_param(synchronous, int, 0); +module_param(reset_delay, int, 0); +module_param(ext_trans, int, 0); + +MODULE_LICENSE("Dual MPL/GPL"); + +/*====================================================================*/ + +typedef struct scsi_info_t { + struct pcmcia_device *p_dev; + struct Scsi_Host *host; +} scsi_info_t; + +static void aha152x_release_cs(struct pcmcia_device *link); +static void aha152x_detach(struct pcmcia_device *p_dev); +static int aha152x_config_cs(struct pcmcia_device *link); + +static int aha152x_probe(struct pcmcia_device *link) +{ + scsi_info_t *info; + + dev_dbg(&link->dev, "aha152x_attach()\n"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) return -ENOMEM; + info->p_dev = link; + link->priv = info; + + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; + link->config_regs = PRESENT_OPTION; + + return aha152x_config_cs(link); +} /* aha152x_attach */ + +/*====================================================================*/ + +static void aha152x_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "aha152x_detach\n"); + + aha152x_release_cs(link); + + /* Unlink device structure, free bits */ + kfree(link->priv); +} /* aha152x_detach */ + +/*====================================================================*/ + +static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + + /* For New Media T&J, look for a SCSI window */ + if ((p_dev->resource[0]->end < 0x20) && + (p_dev->resource[1]->end >= 0x20)) + p_dev->resource[0]->start = p_dev->resource[1]->start; + + if (p_dev->resource[0]->start >= 0xffff) + return -EINVAL; + + p_dev->resource[1]->start = p_dev->resource[1]->end = 0; + p_dev->resource[0]->end = 0x20; + 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 aha152x_config_cs(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + struct aha152x_setup s; + int ret; + struct Scsi_Host *host; + + dev_dbg(&link->dev, "aha152x_config\n"); + + ret = pcmcia_loop_config(link, aha152x_config_check, NULL); + if (ret) + goto failed; + + if (!link->irq) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + /* Set configuration options for the aha152x driver */ + memset(&s, 0, sizeof(s)); + s.conf = "PCMCIA setup"; + s.io_port = link->resource[0]->start; + s.irq = link->irq; + s.scsiid = host_id; + s.reconnect = reconnect; + s.parity = parity; + s.synchronous = synchronous; + s.delay = reset_delay; + if (ext_trans) + s.ext_trans = ext_trans; + + host = aha152x_probe_one(&s); + if (host == NULL) { + printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); + goto failed; + } + + info->host = host; + + return 0; + +failed: + aha152x_release_cs(link); + return -ENODEV; +} + +static void aha152x_release_cs(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + + aha152x_release(info->host); + pcmcia_disable_device(link); +} + +static int aha152x_resume(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + + aha152x_host_reset_host(info->host); + + return 0; +} + +static const struct pcmcia_device_id aha152x_ids[] = { + PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e), + PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e), + PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20), + PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c), + PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); + +static struct pcmcia_driver aha152x_cs_driver = { + .owner = THIS_MODULE, + .name = "aha152x_cs", + .probe = aha152x_probe, + .remove = aha152x_detach, + .id_table = aha152x_ids, + .resume = aha152x_resume, +}; + +static int __init init_aha152x_cs(void) +{ + return pcmcia_register_driver(&aha152x_cs_driver); +} + +static void __exit exit_aha152x_cs(void) +{ + pcmcia_unregister_driver(&aha152x_cs_driver); +} + +module_init(init_aha152x_cs); +module_exit(exit_aha152x_cs); diff --git a/kernel/drivers/scsi/pcmcia/fdomain_core.c b/kernel/drivers/scsi/pcmcia/fdomain_core.c new file mode 100644 index 000000000..a48913791 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/fdomain_core.c @@ -0,0 +1,2 @@ +#define PCMCIA 1 +#include "fdomain.c" diff --git a/kernel/drivers/scsi/pcmcia/fdomain_stub.c b/kernel/drivers/scsi/pcmcia/fdomain_stub.c new file mode 100644 index 000000000..714b248f5 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/fdomain_stub.c @@ -0,0 +1,209 @@ +/*====================================================================== + + A driver for Future Domain-compatible PCMCIA SCSI cards + + fdomain_cs.c 1.47 2001/10/13 00:08:52 + + The contents of this file are subject to the Mozilla Public + License Version 1.1 (the "License"); you may not use this file + except in compliance with the License. You may obtain a copy of + the License at http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS + IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + implied. See the License for the specific language governing + rights and limitations under the License. + + 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. + + Alternatively, the contents of this file may be used under the + terms of the GNU General Public License version 2 (the "GPL"), in + which case the provisions of the GPL are applicable instead of the + above. If you wish to allow the use of your version of this file + only under the terms of the GPL and not to allow others to use + your version of this file under the MPL, indicate your decision + by deleting the provisions above and replace them with the notice + and other provisions required by the GPL. If you do not delete + the provisions above, a recipient may use your version of this + file under either the MPL or the GPL. + +======================================================================*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <scsi/scsi.h> +#include <linux/major.h> +#include <linux/blkdev.h> +#include <scsi/scsi_ioctl.h> + +#include "scsi.h" +#include <scsi/scsi_host.h> +#include "fdomain.h" + +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> + +/*====================================================================*/ + +/* Module parameters */ + +MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); +MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); +MODULE_LICENSE("Dual MPL/GPL"); + +/*====================================================================*/ + +typedef struct scsi_info_t { + struct pcmcia_device *p_dev; + struct Scsi_Host *host; +} scsi_info_t; + + +static void fdomain_release(struct pcmcia_device *link); +static void fdomain_detach(struct pcmcia_device *p_dev); +static int fdomain_config(struct pcmcia_device *link); + +static int fdomain_probe(struct pcmcia_device *link) +{ + scsi_info_t *info; + + dev_dbg(&link->dev, "fdomain_attach()\n"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->p_dev = link; + link->priv = info; + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; + link->config_regs = PRESENT_OPTION; + + return fdomain_config(link); +} /* fdomain_attach */ + +/*====================================================================*/ + +static void fdomain_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "fdomain_detach\n"); + + fdomain_release(link); + + kfree(link->priv); +} /* fdomain_detach */ + +/*====================================================================*/ + +static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + p_dev->resource[0]->end = 0x10; + 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_config(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + int ret; + char str[22]; + struct Scsi_Host *host; + + dev_dbg(&link->dev, "fdomain_config\n"); + + ret = pcmcia_loop_config(link, fdomain_config_check, NULL); + if (ret) + goto failed; + + if (!link->irq) + goto failed; + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + /* A bad hack... */ + release_region(link->resource[0]->start, resource_size(link->resource[0])); + + /* Set configuration options for the fdomain driver */ + sprintf(str, "%d,%d", (unsigned int) link->resource[0]->start, link->irq); + fdomain_setup(str); + + host = __fdomain_16x0_detect(&fdomain_driver_template); + if (!host) { + printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); + goto failed; + } + + if (scsi_add_host(host, NULL)) + goto failed; + scsi_scan_host(host); + + info->host = host; + + return 0; + +failed: + fdomain_release(link); + return -ENODEV; +} /* fdomain_config */ + +/*====================================================================*/ + +static void fdomain_release(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + + dev_dbg(&link->dev, "fdomain_release\n"); + + scsi_remove_host(info->host); + pcmcia_disable_device(link); + scsi_unregister(info->host); +} + +/*====================================================================*/ + +static int fdomain_resume(struct pcmcia_device *link) +{ + fdomain_16x0_bus_reset(NULL); + + return 0; +} + +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_detach, + .id_table = fdomain_ids, + .resume = fdomain_resume, +}; + +static int __init init_fdomain_cs(void) +{ + return pcmcia_register_driver(&fdomain_cs_driver); +} + +static void __exit exit_fdomain_cs(void) +{ + pcmcia_unregister_driver(&fdomain_cs_driver); +} + +module_init(init_fdomain_cs); +module_exit(exit_fdomain_cs); diff --git a/kernel/drivers/scsi/pcmcia/nsp_cs.c b/kernel/drivers/scsi/pcmcia/nsp_cs.c new file mode 100644 index 000000000..1b6c8833a --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/nsp_cs.c @@ -0,0 +1,1761 @@ +/*====================================================================== + + NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver + By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> + + Ver.2.8 Support 32bit MMIO mode + Support Synchronous Data Transfer Request (SDTR) mode + Ver.2.0 Support 32bit PIO mode + Ver.1.1.2 Fix for scatter list buffer exceeds + Ver.1.1 Support scatter list + Ver.0.1 Initial version + + This software may be used and distributed according to the terms of + the GNU General Public License. + +======================================================================*/ + +/*********************************************************************** + This driver is for these PCcards. + + I-O DATA PCSC-F (Workbit NinjaSCSI-3) + "WBT", "NinjaSCSI-3", "R1.0" + I-O DATA CBSC-II (Workbit NinjaSCSI-32Bi in 16bit mode) + "IO DATA", "CBSC16 ", "1" + +***********************************************************************/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/ioport.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/major.h> +#include <linux/blkdev.h> +#include <linux/stat.h> + +#include <asm/io.h> +#include <asm/irq.h> + +#include <../drivers/scsi/scsi.h> +#include <scsi/scsi_host.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_ioctl.h> + +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ds.h> + +#include "nsp_cs.h" + +MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); +MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module"); +MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); +#ifdef MODULE_LICENSE +MODULE_LICENSE("GPL"); +#endif + +#include "nsp_io.h" + +/*====================================================================*/ +/* Parameters that can be set with 'insmod' */ + +static int nsp_burst_mode = BURST_MEM32; +module_param(nsp_burst_mode, int, 0); +MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); + +/* Release IO ports after configuration? */ +static bool free_ports = 0; +module_param(free_ports, bool, 0); +MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); + +static struct scsi_host_template nsp_driver_template = { + .proc_name = "nsp_cs", + .show_info = nsp_show_info, + .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", + .info = nsp_info, + .queuecommand = nsp_queuecommand, +/* .eh_abort_handler = nsp_eh_abort,*/ + .eh_bus_reset_handler = nsp_eh_bus_reset, + .eh_host_reset_handler = nsp_eh_host_reset, + .can_queue = 1, + .this_id = NSP_INITIATOR_ID, + .sg_tablesize = SG_ALL, + .cmd_per_lun = 1, + .use_clustering = DISABLE_CLUSTERING, +}; + +static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ + + + +/* + * debug, error print + */ +#ifndef NSP_DEBUG +# define NSP_DEBUG_MASK 0x000000 +# define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) +# define nsp_dbg(mask, args...) /* */ +#else +# define NSP_DEBUG_MASK 0xffffff +# define nsp_msg(type, args...) \ + nsp_cs_message (__func__, __LINE__, (type), args) +# define nsp_dbg(mask, args...) \ + nsp_cs_dmessage(__func__, __LINE__, (mask), args) +#endif + +#define NSP_DEBUG_QUEUECOMMAND BIT(0) +#define NSP_DEBUG_REGISTER BIT(1) +#define NSP_DEBUG_AUTOSCSI BIT(2) +#define NSP_DEBUG_INTR BIT(3) +#define NSP_DEBUG_SGLIST BIT(4) +#define NSP_DEBUG_BUSFREE BIT(5) +#define NSP_DEBUG_CDB_CONTENTS BIT(6) +#define NSP_DEBUG_RESELECTION BIT(7) +#define NSP_DEBUG_MSGINOCCUR BIT(8) +#define NSP_DEBUG_EEPROM BIT(9) +#define NSP_DEBUG_MSGOUTOCCUR BIT(10) +#define NSP_DEBUG_BUSRESET BIT(11) +#define NSP_DEBUG_RESTART BIT(12) +#define NSP_DEBUG_SYNC BIT(13) +#define NSP_DEBUG_WAIT BIT(14) +#define NSP_DEBUG_TARGETFLAG BIT(15) +#define NSP_DEBUG_PROC BIT(16) +#define NSP_DEBUG_INIT BIT(17) +#define NSP_DEBUG_DATA_IO BIT(18) +#define NSP_SPECIAL_PRINT_REGISTER BIT(20) + +#define NSP_DEBUG_BUF_LEN 150 + +static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc) +{ + scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc); +} + +static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) +{ + va_list args; + char buf[NSP_DEBUG_BUF_LEN]; + + va_start(args, fmt); + vsnprintf(buf, sizeof(buf), fmt, args); + va_end(args); + +#ifndef NSP_DEBUG + printk("%snsp_cs: %s\n", type, buf); +#else + printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); +#endif +} + +#ifdef NSP_DEBUG +static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) +{ + va_list args; + char buf[NSP_DEBUG_BUF_LEN]; + + va_start(args, fmt); + vsnprintf(buf, sizeof(buf), fmt, args); + va_end(args); + + if (mask & NSP_DEBUG_MASK) { + printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); + } +} +#endif + +/***********************************************************/ + +/*==================================================== + * Clenaup parameters and call done() functions. + * You must be set SCpnt->result before call this function. + */ +static void nsp_scsi_done(struct scsi_cmnd *SCpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + + data->CurrentSC = NULL; + + SCpnt->scsi_done(SCpnt); +} + +static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt, + void (*done)(struct scsi_cmnd *)) +{ +#ifdef NSP_DEBUG + /*unsigned int host_id = SCpnt->device->host->this_id;*/ + /*unsigned int base = SCpnt->device->host->io_port;*/ + unsigned char target = scmd_id(SCpnt); +#endif + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + + nsp_dbg(NSP_DEBUG_QUEUECOMMAND, + "SCpnt=0x%p target=%d lun=%llu sglist=0x%p bufflen=%d sg_count=%d", + SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt), + scsi_bufflen(SCpnt), scsi_sg_count(SCpnt)); + //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); + + SCpnt->scsi_done = done; + + if (data->CurrentSC != NULL) { + nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); + SCpnt->result = DID_BAD_TARGET << 16; + nsp_scsi_done(SCpnt); + return 0; + } + +#if 0 + /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. + This makes kernel crash when suspending... */ + if (data->ScsiInfo->stop != 0) { + nsp_msg(KERN_INFO, "suspending device. reject command."); + SCpnt->result = DID_BAD_TARGET << 16; + nsp_scsi_done(SCpnt); + return SCSI_MLQUEUE_HOST_BUSY; + } +#endif + + show_command(SCpnt); + + data->CurrentSC = SCpnt; + + SCpnt->SCp.Status = CHECK_CONDITION; + SCpnt->SCp.Message = 0; + SCpnt->SCp.have_data_in = IO_UNKNOWN; + SCpnt->SCp.sent_command = 0; + SCpnt->SCp.phase = PH_UNDETERMINED; + scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); + + /* setup scratch area + SCp.ptr : buffer pointer + SCp.this_residual : buffer length + SCp.buffer : next buffer + SCp.buffers_residual : left buffers in list + SCp.phase : current state of the command */ + if (scsi_bufflen(SCpnt)) { + SCpnt->SCp.buffer = scsi_sglist(SCpnt); + SCpnt->SCp.ptr = BUFFER_ADDR; + SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; + } else { + SCpnt->SCp.ptr = NULL; + SCpnt->SCp.this_residual = 0; + SCpnt->SCp.buffer = NULL; + SCpnt->SCp.buffers_residual = 0; + } + + if (nsphw_start_selection(SCpnt) == FALSE) { + nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); + SCpnt->result = DID_BUS_BUSY << 16; + nsp_scsi_done(SCpnt); + return 0; + } + + + //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); +#ifdef NSP_DEBUG + data->CmdId++; +#endif + return 0; +} + +static DEF_SCSI_QCMD(nsp_queuecommand) + +/* + * setup PIO FIFO transfer mode and enable/disable to data out + */ +static void nsp_setup_fifo(nsp_hw_data *data, int enabled) +{ + unsigned int base = data->BaseAddress; + unsigned char transfer_mode_reg; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); + + if (enabled != FALSE) { + transfer_mode_reg = TRANSFER_GO | BRAIND; + } else { + transfer_mode_reg = 0; + } + + transfer_mode_reg |= data->TransferMode; + + nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); +} + +static void nsphw_init_sync(nsp_hw_data *data) +{ + sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, + .SyncPeriod = 0, + .SyncOffset = 0 + }; + int i; + + /* setup sync data */ + for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { + data->Sync[i] = tmp_sync; + } +} + +/* + * Initialize Ninja hardware + */ +static int nsphw_init(nsp_hw_data *data) +{ + unsigned int base = data->BaseAddress; + + nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); + + data->ScsiClockDiv = CLOCK_40M | FAST_20; + data->CurrentSC = NULL; + data->FifoCount = 0; + data->TransferMode = MODE_IO8; + + nsphw_init_sync(data); + + /* block all interrupts */ + nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); + + /* setup SCSI interface */ + nsp_write(base, IFSELECT, IF_IFSEL); + + nsp_index_write(base, SCSIIRQMODE, 0); + + nsp_index_write(base, TRANSFERMODE, MODE_IO8); + nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); + + nsp_index_write(base, PARITYCTRL, 0); + nsp_index_write(base, POINTERCLR, POINTER_CLEAR | + ACK_COUNTER_CLEAR | + REQ_COUNTER_CLEAR | + HOST_COUNTER_CLEAR); + + /* setup fifo asic */ + nsp_write(base, IFSELECT, IF_REGSEL); + nsp_index_write(base, TERMPWRCTRL, 0); + if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { + nsp_msg(KERN_INFO, "terminator power on"); + nsp_index_write(base, TERMPWRCTRL, POWER_ON); + } + + nsp_index_write(base, TIMERCOUNT, 0); + nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ + + nsp_index_write(base, SYNCREG, 0); + nsp_index_write(base, ACKWIDTH, 0); + + /* enable interrupts and ack them */ + nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | + RESELECT_EI | + SCSI_RESET_IRQ_EI ); + nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); + + nsp_setup_fifo(data, FALSE); + + return TRUE; +} + +/* + * Start selection phase + */ +static int nsphw_start_selection(struct scsi_cmnd *SCpnt) +{ + unsigned int host_id = SCpnt->device->host->this_id; + unsigned int base = SCpnt->device->host->io_port; + unsigned char target = scmd_id(SCpnt); + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + int time_out; + unsigned char phase, arbit; + + //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); + + phase = nsp_index_read(base, SCSIBUSMON); + if(phase != BUSMON_BUS_FREE) { + //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); + return FALSE; + } + + /* start arbitration */ + //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); + SCpnt->SCp.phase = PH_ARBSTART; + nsp_index_write(base, SETARBIT, ARBIT_GO); + + time_out = 1000; + do { + /* XXX: what a stupid chip! */ + arbit = nsp_index_read(base, ARBITSTATUS); + //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); + udelay(1); /* hold 1.2us */ + } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && + (time_out-- != 0)); + + if (!(arbit & ARBIT_WIN)) { + //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); + nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); + return FALSE; + } + + /* assert select line */ + //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); + SCpnt->SCp.phase = PH_SELSTART; + udelay(3); /* wait 2.4us */ + nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); + nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); + udelay(2); /* wait >1.2us */ + nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); + nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); + /*udelay(1);*/ /* wait >90ns */ + nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); + + /* check selection timeout */ + nsp_start_timer(SCpnt, 1000/51); + data->SelectionTimeOut = 1; + + return TRUE; +} + +struct nsp_sync_table { + unsigned int min_period; + unsigned int max_period; + unsigned int chip_period; + unsigned int ack_width; +}; + +static struct nsp_sync_table nsp_sync_table_40M[] = { + {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ + {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ + {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ + {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ + { 0, 0, 0, 0}, +}; + +static struct nsp_sync_table nsp_sync_table_20M[] = { + {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ + {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ + {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ + { 0, 0, 0, 0}, +}; + +/* + * setup synchronous data transfer mode + */ +static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) +{ + unsigned char target = scmd_id(SCpnt); +// unsigned char lun = SCpnt->device->lun; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + sync_data *sync = &(data->Sync[target]); + struct nsp_sync_table *sync_table; + unsigned int period, offset; + int i; + + + nsp_dbg(NSP_DEBUG_SYNC, "in"); + + period = sync->SyncPeriod; + offset = sync->SyncOffset; + + nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); + + if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { + sync_table = nsp_sync_table_20M; + } else { + sync_table = nsp_sync_table_40M; + } + + for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { + if ( period >= sync_table->min_period && + period <= sync_table->max_period ) { + break; + } + } + + if (period != 0 && sync_table->max_period == 0) { + /* + * No proper period/offset found + */ + nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); + + sync->SyncPeriod = 0; + sync->SyncOffset = 0; + sync->SyncRegister = 0; + sync->AckWidth = 0; + + return FALSE; + } + + sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | + (offset & SYNCREG_OFFSET_MASK); + sync->AckWidth = sync_table->ack_width; + + nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); + + return TRUE; +} + + +/* + * start ninja hardware timer + */ +static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time) +{ + unsigned int base = SCpnt->device->host->io_port; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + + //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); + data->TimerCount = time; + nsp_index_write(base, TIMERCOUNT, time); +} + +/* + * wait for bus phase change + */ +static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask, + char *str) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned char reg; + int time_out; + + //nsp_dbg(NSP_DEBUG_INTR, "in"); + + time_out = 100; + + do { + reg = nsp_index_read(base, SCSIBUSMON); + if (reg == 0xff) { + break; + } + } while ((--time_out != 0) && (reg & mask) != 0); + + if (time_out == 0) { + nsp_msg(KERN_DEBUG, " %s signal off timeout", str); + } + + return 0; +} + +/* + * expect Ninja Irq + */ +static int nsp_expect_signal(struct scsi_cmnd *SCpnt, + unsigned char current_phase, + unsigned char mask) +{ + unsigned int base = SCpnt->device->host->io_port; + int time_out; + unsigned char phase, i_src; + + //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); + + time_out = 100; + do { + phase = nsp_index_read(base, SCSIBUSMON); + if (phase == 0xff) { + //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); + return -1; + } + i_src = nsp_read(base, IRQSTATUS); + if (i_src & IRQSTATUS_SCSI) { + //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); + return 0; + } + if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { + //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); + return 1; + } + } while(time_out-- != 0); + + //nsp_dbg(NSP_DEBUG_INTR, "timeout"); + return -1; +} + +/* + * transfer SCSI message + */ +static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) +{ + unsigned int base = SCpnt->device->host->io_port; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + char *buf = data->MsgBuffer; + int len = min(MSGBUF_SIZE, data->MsgLen); + int ptr; + int ret; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); + for (ptr = 0; len > 0; len--, ptr++) { + + ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); + if (ret <= 0) { + nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); + return 0; + } + + /* if last byte, negate ATN */ + if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { + nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); + } + + /* read & write message */ + if (phase & BUSMON_IO) { + nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); + buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); + } else { + nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); + nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); + } + nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); + + } + return len; +} + +/* + * get extra SCSI data from fifo + */ +static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + unsigned int count; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); + + if (SCpnt->SCp.have_data_in != IO_IN) { + return 0; + } + + count = nsp_fifo_count(SCpnt); + if (data->FifoCount == count) { + //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); + return 0; + } + + /* + * XXX: NSP_QUIRK + * data phase skip only occures in case of SCSI_LOW_READ + */ + nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); + SCpnt->SCp.phase = PH_DATA; + nsp_pio_read(SCpnt); + nsp_setup_fifo(data, FALSE); + + return 0; +} + +/* + * accept reselection + */ +static int nsp_reselected(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned int host_id = SCpnt->device->host->this_id; + //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + unsigned char bus_reg; + unsigned char id_reg, tmp; + int target; + + nsp_dbg(NSP_DEBUG_RESELECTION, "in"); + + id_reg = nsp_index_read(base, RESELECTID); + tmp = id_reg & (~BIT(host_id)); + target = 0; + while(tmp != 0) { + if (tmp & BIT(0)) { + break; + } + tmp >>= 1; + target++; + } + + if (scmd_id(SCpnt) != target) { + nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); + } + + nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); + + nsp_nexus(SCpnt); + bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); + nsp_index_write(base, SCSIBUSCTRL, bus_reg); + nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); + + return TRUE; +} + +/* + * count how many data transferd + */ +static int nsp_fifo_count(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned int count; + unsigned int l, m, h, dummy; + + nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); + + l = nsp_index_read(base, TRANSFERCOUNT); + m = nsp_index_read(base, TRANSFERCOUNT); + h = nsp_index_read(base, TRANSFERCOUNT); + dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ + + count = (h << 16) | (m << 8) | (l << 0); + + //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); + + return count; +} + +/* fifo size */ +#define RFIFO_CRIT 64 +#define WFIFO_CRIT 64 + +/* + * read data in DATA IN phase + */ +static void nsp_pio_read(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned long mmio_base = SCpnt->device->host->base; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + long time_out; + int ocount, res; + unsigned char stat, fifo_stat; + + ocount = data->FifoCount; + + nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", + SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr, + SCpnt->SCp.this_residual, SCpnt->SCp.buffer, + SCpnt->SCp.buffers_residual); + + time_out = 1000; + + while ((time_out-- != 0) && + (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { + + stat = nsp_index_read(base, SCSIBUSMON); + stat &= BUSMON_PHASE_MASK; + + + res = nsp_fifo_count(SCpnt) - ocount; + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res); + if (res == 0) { /* if some data available ? */ + if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ + //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); + continue; + } else { + nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); + break; + } + } + + fifo_stat = nsp_read(base, FIFOSTATUS); + if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && + stat == BUSPHASE_DATA_IN) { + continue; + } + + res = min(res, SCpnt->SCp.this_residual); + + switch (data->TransferMode) { + case MODE_IO32: + res &= ~(BIT(1)|BIT(0)); /* align 4 */ + nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); + break; + case MODE_IO8: + nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); + break; + + case MODE_MEM32: + res &= ~(BIT(1)|BIT(0)); /* align 4 */ + nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); + break; + + default: + nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); + return; + } + + nsp_inc_resid(SCpnt, -res); + SCpnt->SCp.ptr += res; + SCpnt->SCp.this_residual -= res; + ocount += res; + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); + + /* go to next scatter list if available */ + if (SCpnt->SCp.this_residual == 0 && + SCpnt->SCp.buffers_residual != 0 ) { + //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); + SCpnt->SCp.buffers_residual--; + SCpnt->SCp.buffer++; + SCpnt->SCp.ptr = BUFFER_ADDR; + SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + time_out = 1000; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); + } + } + + data->FifoCount = ocount; + + if (time_out < 0) { + nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", + scsi_get_resid(SCpnt), SCpnt->SCp.this_residual, + SCpnt->SCp.buffers_residual); + } + nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); + nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, + scsi_get_resid(SCpnt)); +} + +/* + * write data in DATA OUT phase + */ +static void nsp_pio_write(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned long mmio_base = SCpnt->device->host->base; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + int time_out; + int ocount, res; + unsigned char stat; + + ocount = data->FifoCount; + + nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", + data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, + SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, + scsi_get_resid(SCpnt)); + + time_out = 1000; + + while ((time_out-- != 0) && + (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { + stat = nsp_index_read(base, SCSIBUSMON); + stat &= BUSMON_PHASE_MASK; + + if (stat != BUSPHASE_DATA_OUT) { + res = ocount - nsp_fifo_count(SCpnt); + + nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); + /* Put back pointer */ + nsp_inc_resid(SCpnt, res); + SCpnt->SCp.ptr -= res; + SCpnt->SCp.this_residual += res; + ocount -= res; + + break; + } + + res = ocount - nsp_fifo_count(SCpnt); + if (res > 0) { /* write all data? */ + nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); + continue; + } + + res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); + + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); + switch (data->TransferMode) { + case MODE_IO32: + res &= ~(BIT(1)|BIT(0)); /* align 4 */ + nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); + break; + case MODE_IO8: + nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); + break; + + case MODE_MEM32: + res &= ~(BIT(1)|BIT(0)); /* align 4 */ + nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); + break; + + default: + nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); + break; + } + + nsp_inc_resid(SCpnt, -res); + SCpnt->SCp.ptr += res; + SCpnt->SCp.this_residual -= res; + ocount += res; + + /* go to next scatter list if available */ + if (SCpnt->SCp.this_residual == 0 && + SCpnt->SCp.buffers_residual != 0 ) { + //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); + SCpnt->SCp.buffers_residual--; + SCpnt->SCp.buffer++; + SCpnt->SCp.ptr = BUFFER_ADDR; + SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + time_out = 1000; + } + } + + data->FifoCount = ocount; + + if (time_out < 0) { + nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", + scsi_get_resid(SCpnt)); + } + nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); + nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, + scsi_get_resid(SCpnt)); +} +#undef RFIFO_CRIT +#undef WFIFO_CRIT + +/* + * setup synchronous/asynchronous data transfer mode + */ +static int nsp_nexus(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + unsigned char target = scmd_id(SCpnt); +// unsigned char lun = SCpnt->device->lun; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + sync_data *sync = &(data->Sync[target]); + + //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); + + /* setup synch transfer registers */ + nsp_index_write(base, SYNCREG, sync->SyncRegister); + nsp_index_write(base, ACKWIDTH, sync->AckWidth); + + if (scsi_get_resid(SCpnt) % 4 != 0 || + scsi_get_resid(SCpnt) <= PAGE_SIZE ) { + data->TransferMode = MODE_IO8; + } else if (nsp_burst_mode == BURST_MEM32) { + data->TransferMode = MODE_MEM32; + } else if (nsp_burst_mode == BURST_IO32) { + data->TransferMode = MODE_IO32; + } else { + data->TransferMode = MODE_IO8; + } + + /* setup pdma fifo */ + nsp_setup_fifo(data, TRUE); + + /* clear ack counter */ + data->FifoCount = 0; + nsp_index_write(base, POINTERCLR, POINTER_CLEAR | + ACK_COUNTER_CLEAR | + REQ_COUNTER_CLEAR | + HOST_COUNTER_CLEAR); + + return 0; +} + +#include "nsp_message.c" +/* + * interrupt handler + */ +static irqreturn_t nspintr(int irq, void *dev_id) +{ + unsigned int base; + unsigned char irq_status, irq_phase, phase; + struct scsi_cmnd *tmpSC; + unsigned char target, lun; + unsigned int *sync_neg; + int i, tmp; + nsp_hw_data *data; + + + //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); + //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); + + if ( dev_id != NULL && + ((scsi_info_t *)dev_id)->host != NULL ) { + scsi_info_t *info = (scsi_info_t *)dev_id; + + data = (nsp_hw_data *)info->host->hostdata; + } else { + nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); + return IRQ_NONE; + } + + //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); + + base = data->BaseAddress; + //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); + + /* + * interrupt check + */ + nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); + irq_status = nsp_read(base, IRQSTATUS); + //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); + if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { + nsp_write(base, IRQCONTROL, 0); + //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); + return IRQ_NONE; + } + + /* XXX: IMPORTANT + * Do not read an irq_phase register if no scsi phase interrupt. + * Unless, you should lose a scsi phase interrupt. + */ + phase = nsp_index_read(base, SCSIBUSMON); + if((irq_status & IRQSTATUS_SCSI) != 0) { + irq_phase = nsp_index_read(base, IRQPHASESENCE); + } else { + irq_phase = 0; + } + + //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); + + /* + * timer interrupt handler (scsi vs timer interrupts) + */ + //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); + if (data->TimerCount != 0) { + //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); + nsp_index_write(base, TIMERCOUNT, 0); + nsp_index_write(base, TIMERCOUNT, 0); + data->TimerCount = 0; + } + + if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && + data->SelectionTimeOut == 0) { + //nsp_dbg(NSP_DEBUG_INTR, "timer start"); + nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); + return IRQ_HANDLED; + } + + nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); + + if ((irq_status & IRQSTATUS_SCSI) && + (irq_phase & SCSI_RESET_IRQ)) { + nsp_msg(KERN_ERR, "bus reset (power off?)"); + + nsphw_init(data); + nsp_bus_reset(data); + + if(data->CurrentSC != NULL) { + tmpSC = data->CurrentSC; + tmpSC->result = (DID_RESET << 16) | + ((tmpSC->SCp.Message & 0xff) << 8) | + ((tmpSC->SCp.Status & 0xff) << 0); + nsp_scsi_done(tmpSC); + } + return IRQ_HANDLED; + } + + if (data->CurrentSC == NULL) { + nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase); + nsphw_init(data); + nsp_bus_reset(data); + return IRQ_HANDLED; + } + + tmpSC = data->CurrentSC; + target = tmpSC->device->id; + lun = tmpSC->device->lun; + sync_neg = &(data->Sync[target].SyncNegotiation); + + /* + * parse hardware SCSI irq reasons register + */ + if (irq_status & IRQSTATUS_SCSI) { + if (irq_phase & RESELECT_IRQ) { + nsp_dbg(NSP_DEBUG_INTR, "reselect"); + nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); + if (nsp_reselected(tmpSC) != FALSE) { + return IRQ_HANDLED; + } + } + + if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { + return IRQ_HANDLED; + } + } + + //show_phase(tmpSC); + + switch(tmpSC->SCp.phase) { + case PH_SELSTART: + // *sync_neg = SYNC_NOT_YET; + if ((phase & BUSMON_BSY) == 0) { + //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); + if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { + nsp_dbg(NSP_DEBUG_INTR, "selection time out"); + data->SelectionTimeOut = 0; + nsp_index_write(base, SCSIBUSCTRL, 0); + + tmpSC->result = DID_TIME_OUT << 16; + nsp_scsi_done(tmpSC); + + return IRQ_HANDLED; + } + data->SelectionTimeOut += 1; + nsp_start_timer(tmpSC, 1000/51); + return IRQ_HANDLED; + } + + /* attention assert */ + //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); + data->SelectionTimeOut = 0; + tmpSC->SCp.phase = PH_SELECTED; + nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); + udelay(1); + nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); + return IRQ_HANDLED; + + break; + + case PH_RESELECT: + //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); + // *sync_neg = SYNC_NOT_YET; + if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { + + tmpSC->result = DID_ABORT << 16; + nsp_scsi_done(tmpSC); + return IRQ_HANDLED; + } + /* fall thru */ + default: + if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { + return IRQ_HANDLED; + } + break; + } + + /* + * SCSI sequencer + */ + //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); + + /* normal disconnect */ + if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && + (irq_phase & LATCHED_BUS_FREE) != 0 ) { + nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); + + //*sync_neg = SYNC_NOT_YET; + + if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ + tmpSC->result = (DID_OK << 16) | + ((tmpSC->SCp.Message & 0xff) << 8) | + ((tmpSC->SCp.Status & 0xff) << 0); + nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); + nsp_scsi_done(tmpSC); + + return IRQ_HANDLED; + } + + return IRQ_HANDLED; + } + + + /* check unexpected bus free state */ + if (phase == 0) { + nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); + + *sync_neg = SYNC_NG; + tmpSC->result = DID_ERROR << 16; + nsp_scsi_done(tmpSC); + return IRQ_HANDLED; + } + + switch (phase & BUSMON_PHASE_MASK) { + case BUSPHASE_COMMAND: + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); + if ((phase & BUSMON_REQ) == 0) { + nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); + return IRQ_HANDLED; + } + + tmpSC->SCp.phase = PH_COMMAND; + + nsp_nexus(tmpSC); + + /* write scsi command */ + nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); + nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); + for (i = 0; i < tmpSC->cmd_len; i++) { + nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); + } + nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); + break; + + case BUSPHASE_DATA_OUT: + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); + + tmpSC->SCp.phase = PH_DATA; + tmpSC->SCp.have_data_in = IO_OUT; + + nsp_pio_write(tmpSC); + + break; + + case BUSPHASE_DATA_IN: + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); + + tmpSC->SCp.phase = PH_DATA; + tmpSC->SCp.have_data_in = IO_IN; + + nsp_pio_read(tmpSC); + + break; + + case BUSPHASE_STATUS: + nsp_dataphase_bypass(tmpSC); + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); + + tmpSC->SCp.phase = PH_STATUS; + + tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); + nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); + + break; + + case BUSPHASE_MESSAGE_OUT: + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); + if ((phase & BUSMON_REQ) == 0) { + goto timer_out; + } + + tmpSC->SCp.phase = PH_MSG_OUT; + + //*sync_neg = SYNC_NOT_YET; + + data->MsgLen = i = 0; + data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; + + if (*sync_neg == SYNC_NOT_YET) { + data->Sync[target].SyncPeriod = 0; + data->Sync[target].SyncOffset = 0; + + /**/ + data->MsgBuffer[i] = MSG_EXTENDED; i++; + data->MsgBuffer[i] = 3; i++; + data->MsgBuffer[i] = MSG_EXT_SDTR; i++; + data->MsgBuffer[i] = 0x0c; i++; + data->MsgBuffer[i] = 15; i++; + /**/ + } + data->MsgLen = i; + + nsp_analyze_sdtr(tmpSC); + show_message(data); + nsp_message_out(tmpSC); + break; + + case BUSPHASE_MESSAGE_IN: + nsp_dataphase_bypass(tmpSC); + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); + if ((phase & BUSMON_REQ) == 0) { + goto timer_out; + } + + tmpSC->SCp.phase = PH_MSG_IN; + nsp_message_in(tmpSC); + + /**/ + if (*sync_neg == SYNC_NOT_YET) { + //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); + + if (data->MsgLen >= 5 && + data->MsgBuffer[0] == MSG_EXTENDED && + data->MsgBuffer[1] == 3 && + data->MsgBuffer[2] == MSG_EXT_SDTR ) { + data->Sync[target].SyncPeriod = data->MsgBuffer[3]; + data->Sync[target].SyncOffset = data->MsgBuffer[4]; + //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); + *sync_neg = SYNC_OK; + } else { + data->Sync[target].SyncPeriod = 0; + data->Sync[target].SyncOffset = 0; + *sync_neg = SYNC_NG; + } + nsp_analyze_sdtr(tmpSC); + } + /**/ + + /* search last messeage byte */ + tmp = -1; + for (i = 0; i < data->MsgLen; i++) { + tmp = data->MsgBuffer[i]; + if (data->MsgBuffer[i] == MSG_EXTENDED) { + i += (1 + data->MsgBuffer[i+1]); + } + } + tmpSC->SCp.Message = tmp; + + nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); + show_message(data); + + break; + + case BUSPHASE_SELECT: + default: + nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); + + break; + } + + //nsp_dbg(NSP_DEBUG_INTR, "out"); + return IRQ_HANDLED; + +timer_out: + nsp_start_timer(tmpSC, 1000/102); + return IRQ_HANDLED; +} + +#ifdef NSP_DEBUG +#include "nsp_debug.c" +#endif /* NSP_DEBUG */ + +/*----------------------------------------------------------------*/ +/* look for ninja3 card and init if found */ +/*----------------------------------------------------------------*/ +static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) +{ + struct Scsi_Host *host; /* registered host structure */ + nsp_hw_data *data_b = &nsp_data_base, *data; + + nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); + host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); + if (host == NULL) { + nsp_dbg(NSP_DEBUG_INIT, "host failed"); + return NULL; + } + + memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); + data = (nsp_hw_data *)host->hostdata; + data->ScsiInfo->host = host; +#ifdef NSP_DEBUG + data->CmdId = 0; +#endif + + nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); + + host->unique_id = data->BaseAddress; + host->io_port = data->BaseAddress; + host->n_io_port = data->NumAddress; + host->irq = data->IrqNumber; + host->base = data->MmioAddress; + + spin_lock_init(&(data->Lock)); + + snprintf(data->nspinfo, + sizeof(data->nspinfo), + "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", + host->io_port, host->io_port + host->n_io_port - 1, + host->base, + host->irq); + sht->name = data->nspinfo; + + nsp_dbg(NSP_DEBUG_INIT, "end"); + + + return host; /* detect done. */ +} + +/*----------------------------------------------------------------*/ +/* return info string */ +/*----------------------------------------------------------------*/ +static const char *nsp_info(struct Scsi_Host *shpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; + + return data->nspinfo; +} + +static int nsp_show_info(struct seq_file *m, struct Scsi_Host *host) +{ + int id; + int speed; + unsigned long flags; + nsp_hw_data *data; + int hostno; + + hostno = host->host_no; + data = (nsp_hw_data *)host->hostdata; + + seq_puts(m, "NinjaSCSI status\n\n" + "Driver version: $Revision: 1.23 $\n"); + seq_printf(m, "SCSI host No.: %d\n", hostno); + seq_printf(m, "IRQ: %d\n", host->irq); + seq_printf(m, "IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); + seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); + seq_printf(m, "sg_tablesize: %d\n", host->sg_tablesize); + + seq_puts(m, "burst transfer mode: "); + switch (nsp_burst_mode) { + case BURST_IO8: + seq_puts(m, "io8"); + break; + case BURST_IO32: + seq_puts(m, "io32"); + break; + case BURST_MEM32: + seq_puts(m, "mem32"); + break; + default: + seq_puts(m, "???"); + break; + } + seq_putc(m, '\n'); + + + spin_lock_irqsave(&(data->Lock), flags); + seq_printf(m, "CurrentSC: 0x%p\n\n", data->CurrentSC); + spin_unlock_irqrestore(&(data->Lock), flags); + + seq_puts(m, "SDTR status\n"); + for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { + + seq_printf(m, "id %d: ", id); + + if (id == host->this_id) { + seq_puts(m, "----- NinjaSCSI-3 host adapter\n"); + continue; + } + + switch(data->Sync[id].SyncNegotiation) { + case SYNC_OK: + seq_puts(m, " sync"); + break; + case SYNC_NG: + seq_puts(m, "async"); + break; + case SYNC_NOT_YET: + seq_puts(m, " none"); + break; + default: + seq_puts(m, "?????"); + break; + } + + if (data->Sync[id].SyncPeriod != 0) { + speed = 1000000 / (data->Sync[id].SyncPeriod * 4); + + seq_printf(m, " transfer %d.%dMB/s, offset %d", + speed / 1000, + speed % 1000, + data->Sync[id].SyncOffset + ); + } + seq_putc(m, '\n'); + } + return 0; +} + +/*---------------------------------------------------------------*/ +/* error handler */ +/*---------------------------------------------------------------*/ + +/* +static int nsp_eh_abort(struct scsi_cmnd *SCpnt) +{ + nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); + + return nsp_eh_bus_reset(SCpnt); +}*/ + +static int nsp_bus_reset(nsp_hw_data *data) +{ + unsigned int base = data->BaseAddress; + int i; + + nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); + + nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); + mdelay(100); /* 100ms */ + nsp_index_write(base, SCSIBUSCTRL, 0); + for(i = 0; i < 5; i++) { + nsp_index_read(base, IRQPHASESENCE); /* dummy read */ + } + + nsphw_init_sync(data); + + nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); + + return SUCCESS; +} + +static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + + nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); + + return nsp_bus_reset(data); +} + +static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + + nsp_dbg(NSP_DEBUG_BUSRESET, "in"); + + nsphw_init(data); + + return SUCCESS; +} + + +/********************************************************************** + PCMCIA functions +**********************************************************************/ + +static int nsp_cs_probe(struct pcmcia_device *link) +{ + scsi_info_t *info; + nsp_hw_data *data = &nsp_data_base; + int ret; + + nsp_dbg(NSP_DEBUG_INIT, "in"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (info == NULL) { return -ENOMEM; } + info->p_dev = link; + link->priv = info; + data->ScsiInfo = info; + + nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); + + ret = nsp_cs_config(link); + + nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); + return ret; +} /* nsp_cs_attach */ + + +static void nsp_cs_detach(struct pcmcia_device *link) +{ + nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); + + ((scsi_info_t *)link->priv)->stop = 1; + nsp_cs_release(link); + + kfree(link->priv); + link->priv = NULL; +} /* nsp_cs_detach */ + + +static int nsp_cs_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + nsp_hw_data *data = priv_data; + + if (p_dev->config_index == 0) + return -ENODEV; + + /* This reserves IO space but doesn't actually enable it */ + if (pcmcia_request_io(p_dev) != 0) + goto next_entry; + + if (resource_size(p_dev->resource[2])) { + p_dev->resource[2]->flags |= (WIN_DATA_WIDTH_16 | + WIN_MEMORY_TYPE_CM | + WIN_ENABLE); + if (p_dev->resource[2]->end < 0x1000) + p_dev->resource[2]->end = 0x1000; + if (pcmcia_request_window(p_dev, p_dev->resource[2], 0) != 0) + goto next_entry; + if (pcmcia_map_mem_page(p_dev, p_dev->resource[2], + p_dev->card_addr) != 0) + goto next_entry; + + data->MmioAddress = (unsigned long) + ioremap_nocache(p_dev->resource[2]->start, + resource_size(p_dev->resource[2])); + data->MmioLength = resource_size(p_dev->resource[2]); + } + /* If we got this far, we're cool! */ + return 0; + +next_entry: + nsp_dbg(NSP_DEBUG_INIT, "next"); + pcmcia_disable_device(p_dev); + return -ENODEV; +} + +static int nsp_cs_config(struct pcmcia_device *link) +{ + int ret; + scsi_info_t *info = link->priv; + struct Scsi_Host *host; + nsp_hw_data *data = &nsp_data_base; + + nsp_dbg(NSP_DEBUG_INIT, "in"); + + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC | + CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IOMEM | + CONF_AUTO_SET_IO; + + ret = pcmcia_loop_config(link, nsp_cs_config_check, data); + if (ret) + goto cs_failed; + + if (pcmcia_request_irq(link, nspintr)) + goto cs_failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto cs_failed; + + if (free_ports) { + if (link->resource[0]) { + release_region(link->resource[0]->start, + resource_size(link->resource[0])); + } + if (link->resource[1]) { + release_region(link->resource[1]->start, + resource_size(link->resource[1])); + } + } + + /* Set port and IRQ */ + data->BaseAddress = link->resource[0]->start; + data->NumAddress = resource_size(link->resource[0]); + data->IrqNumber = link->irq; + + nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", + data->BaseAddress, data->NumAddress, data->IrqNumber); + + if(nsphw_init(data) == FALSE) { + goto cs_failed; + } + + host = nsp_detect(&nsp_driver_template); + + if (host == NULL) { + nsp_dbg(NSP_DEBUG_INIT, "detect failed"); + goto cs_failed; + } + + + ret = scsi_add_host (host, NULL); + if (ret) + goto cs_failed; + + scsi_scan_host(host); + + info->host = host; + + return 0; + + cs_failed: + nsp_dbg(NSP_DEBUG_INIT, "config fail"); + nsp_cs_release(link); + + return -ENODEV; +} /* nsp_cs_config */ + + +static void nsp_cs_release(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + nsp_hw_data *data = NULL; + + if (info->host == NULL) { + nsp_msg(KERN_DEBUG, "unexpected card release call."); + } else { + data = (nsp_hw_data *)info->host->hostdata; + } + + nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); + + /* Unlink the device chain */ + if (info->host != NULL) { + scsi_remove_host(info->host); + } + + if (resource_size(link->resource[2])) { + if (data != NULL) { + iounmap((void *)(data->MmioAddress)); + } + } + pcmcia_disable_device(link); + + if (info->host != NULL) { + scsi_host_put(info->host); + } +} /* nsp_cs_release */ + +static int nsp_cs_suspend(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + nsp_hw_data *data; + + nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); + + if (info->host != NULL) { + nsp_msg(KERN_INFO, "clear SDTR status"); + + data = (nsp_hw_data *)info->host->hostdata; + + nsphw_init_sync(data); + } + + info->stop = 1; + + return 0; +} + +static int nsp_cs_resume(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + nsp_hw_data *data; + + nsp_dbg(NSP_DEBUG_INIT, "event: resume"); + + info->stop = 0; + + if (info->host != NULL) { + nsp_msg(KERN_INFO, "reset host and bus"); + + data = (nsp_hw_data *)info->host->hostdata; + + nsphw_init (data); + nsp_bus_reset(data); + } + + return 0; +} + +/*======================================================================* + * module entry point + *====================================================================*/ +static const struct pcmcia_device_id nsp_cs_ids[] = { + PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), + PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), + PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), + PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), + PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), + PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), + PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), + PCMCIA_DEVICE_NULL +}; +MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); + +static struct pcmcia_driver nsp_driver = { + .owner = THIS_MODULE, + .name = "nsp_cs", + .probe = nsp_cs_probe, + .remove = nsp_cs_detach, + .id_table = nsp_cs_ids, + .suspend = nsp_cs_suspend, + .resume = nsp_cs_resume, +}; + +static int __init nsp_cs_init(void) +{ + return pcmcia_register_driver(&nsp_driver); +} + +static void __exit nsp_cs_exit(void) +{ + pcmcia_unregister_driver(&nsp_driver); +} + + +module_init(nsp_cs_init) +module_exit(nsp_cs_exit) + +/* end */ diff --git a/kernel/drivers/scsi/pcmcia/nsp_cs.h b/kernel/drivers/scsi/pcmcia/nsp_cs.h new file mode 100644 index 000000000..afd64f0ad --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/nsp_cs.h @@ -0,0 +1,392 @@ +/*=======================================================/ + Header file for nsp_cs.c + By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> + + Ver.1.0 : Cut unused lines. + Ver 0.1 : Initial version. + + This software may be used and distributed according to the terms of + the GNU General Public License. + +=========================================================*/ + +#ifndef __nsp_cs__ +#define __nsp_cs__ + +/* for debugging */ +//#define NSP_DEBUG 9 + +/* +#define static +#define inline +*/ + +/************************************ + * Some useful macros... + */ + +/* SCSI initiator must be ID 7 */ +#define NSP_INITIATOR_ID 7 + +#define NSP_SELTIMEOUT 200 + +/*************************************************************************** + * register definitions + ***************************************************************************/ +/*======================================================================== + * base register + ========================================================================*/ +#define IRQCONTROL 0x00 /* R */ +# define IRQCONTROL_RESELECT_CLEAR BIT(0) +# define IRQCONTROL_PHASE_CHANGE_CLEAR BIT(1) +# define IRQCONTROL_TIMER_CLEAR BIT(2) +# define IRQCONTROL_FIFO_CLEAR BIT(3) +# define IRQCONTROL_ALLMASK 0xff +# define IRQCONTROL_ALLCLEAR (IRQCONTROL_RESELECT_CLEAR | \ + IRQCONTROL_PHASE_CHANGE_CLEAR | \ + IRQCONTROL_TIMER_CLEAR | \ + IRQCONTROL_FIFO_CLEAR ) +# define IRQCONTROL_IRQDISABLE 0xf0 + +#define IRQSTATUS 0x00 /* W */ +# define IRQSTATUS_SCSI BIT(0) +# define IRQSTATUS_TIMER BIT(2) +# define IRQSTATUS_FIFO BIT(3) +# define IRQSTATUS_MASK 0x0f + +#define IFSELECT 0x01 /* W */ +# define IF_IFSEL BIT(0) +# define IF_REGSEL BIT(2) + +#define FIFOSTATUS 0x01 /* R */ +# define FIFOSTATUS_CHIP_REVISION_MASK 0x0f +# define FIFOSTATUS_CHIP_ID_MASK 0x70 +# define FIFOSTATUS_FULL_EMPTY BIT(7) + +#define INDEXREG 0x02 /* R/W */ +#define DATAREG 0x03 /* R/W */ +#define FIFODATA 0x04 /* R/W */ +#define FIFODATA1 0x05 /* R/W */ +#define FIFODATA2 0x06 /* R/W */ +#define FIFODATA3 0x07 /* R/W */ + +/*==================================================================== + * indexed register + ====================================================================*/ +#define EXTBUSCTRL 0x10 /* R/W,deleted */ + +#define CLOCKDIV 0x11 /* R/W */ +# define CLOCK_40M 0x02 +# define CLOCK_20M 0x01 +# define FAST_20 BIT(2) + +#define TERMPWRCTRL 0x13 /* R/W */ +# define POWER_ON BIT(0) + +#define SCSIIRQMODE 0x15 /* R/W */ +# define SCSI_PHASE_CHANGE_EI BIT(0) +# define RESELECT_EI BIT(4) +# define FIFO_IRQ_EI BIT(5) +# define SCSI_RESET_IRQ_EI BIT(6) + +#define IRQPHASESENCE 0x16 /* R */ +# define LATCHED_MSG BIT(0) +# define LATCHED_IO BIT(1) +# define LATCHED_CD BIT(2) +# define LATCHED_BUS_FREE BIT(3) +# define PHASE_CHANGE_IRQ BIT(4) +# define RESELECT_IRQ BIT(5) +# define FIFO_IRQ BIT(6) +# define SCSI_RESET_IRQ BIT(7) + +#define TIMERCOUNT 0x17 /* R/W */ + +#define SCSIBUSCTRL 0x18 /* R/W */ +# define SCSI_SEL BIT(0) +# define SCSI_RST BIT(1) +# define SCSI_DATAOUT_ENB BIT(2) +# define SCSI_ATN BIT(3) +# define SCSI_ACK BIT(4) +# define SCSI_BSY BIT(5) +# define AUTODIRECTION BIT(6) +# define ACKENB BIT(7) + +#define SCSIBUSMON 0x19 /* R */ + +#define SETARBIT 0x1A /* W */ +# define ARBIT_GO BIT(0) +# define ARBIT_FLAG_CLEAR BIT(1) + +#define ARBITSTATUS 0x1A /* R */ +/*# define ARBIT_GO BIT(0)*/ +# define ARBIT_WIN BIT(1) +# define ARBIT_FAIL BIT(2) +# define RESELECT_FLAG BIT(3) + +#define PARITYCTRL 0x1B /* W */ +#define PARITYSTATUS 0x1B /* R */ + +#define COMMANDCTRL 0x1C /* W */ +# define CLEAR_COMMAND_POINTER BIT(0) +# define AUTO_COMMAND_GO BIT(1) + +#define RESELECTID 0x1C /* R */ +#define COMMANDDATA 0x1D /* R/W */ + +#define POINTERCLR 0x1E /* W */ +# define POINTER_CLEAR BIT(0) +# define ACK_COUNTER_CLEAR BIT(1) +# define REQ_COUNTER_CLEAR BIT(2) +# define HOST_COUNTER_CLEAR BIT(3) +# define READ_SOURCE (BIT(4) | BIT(5)) +# define ACK_COUNTER (0) +# define REQ_COUNTER (BIT(4)) +# define HOST_COUNTER (BIT(5)) + +#define TRANSFERCOUNT 0x1E /* R */ + +#define TRANSFERMODE 0x20 /* R/W */ +# define MODE_MEM8 BIT(0) +# define MODE_MEM32 BIT(1) +# define MODE_ADR24 BIT(2) +# define MODE_ADR32 BIT(3) +# define MODE_IO8 BIT(4) +# define MODE_IO32 BIT(5) +# define TRANSFER_GO BIT(6) +# define BRAIND BIT(7) + +#define SYNCREG 0x21 /* R/W */ +# define SYNCREG_OFFSET_MASK 0x0f +# define SYNCREG_PERIOD_MASK 0xf0 +# define SYNCREG_PERIOD_SHIFT 4 + +#define SCSIDATALATCH 0x22 /* W */ +#define SCSIDATAIN 0x22 /* R */ +#define SCSIDATAWITHACK 0x23 /* R/W */ +#define SCAMCONTROL 0x24 /* W */ +#define SCAMSTATUS 0x24 /* R */ +#define SCAMDATA 0x25 /* R/W */ + +#define OTHERCONTROL 0x26 /* R/W */ +# define TPL_ROM_WRITE_EN BIT(0) +# define TPWR_OUT BIT(1) +# define TPWR_SENSE BIT(2) +# define RA8_CONTROL BIT(3) + +#define ACKWIDTH 0x27 /* R/W */ +#define CLRTESTPNT 0x28 /* W */ +#define ACKCNTLD 0x29 /* W */ +#define REQCNTLD 0x2A /* W */ +#define HSTCNTLD 0x2B /* W */ +#define CHECKSUM 0x2C /* R/W */ + +/************************************************************************ + * Input status bit definitions. + ************************************************************************/ +#define S_MESSAGE BIT(0) /* Message line from SCSI bus */ +#define S_IO BIT(1) /* Input/Output line from SCSI bus */ +#define S_CD BIT(2) /* Command/Data line from SCSI bus */ +#define S_BUSY BIT(3) /* Busy line from SCSI bus */ +#define S_ACK BIT(4) /* Acknowledge line from SCSI bus */ +#define S_REQUEST BIT(5) /* Request line from SCSI bus */ +#define S_SELECT BIT(6) /* */ +#define S_ATN BIT(7) /* */ + +/*********************************************************************** + * Useful Bus Monitor status combinations. + ***********************************************************************/ +#define BUSMON_SEL S_SELECT +#define BUSMON_BSY S_BUSY +#define BUSMON_REQ S_REQUEST +#define BUSMON_IO S_IO +#define BUSMON_ACK S_ACK +#define BUSMON_BUS_FREE 0 +#define BUSMON_COMMAND ( S_BUSY | S_CD | S_REQUEST ) +#define BUSMON_MESSAGE_IN ( S_BUSY | S_CD | S_IO | S_MESSAGE | S_REQUEST ) +#define BUSMON_MESSAGE_OUT ( S_BUSY | S_CD | S_MESSAGE | S_REQUEST ) +#define BUSMON_DATA_IN ( S_BUSY | S_IO | S_REQUEST ) +#define BUSMON_DATA_OUT ( S_BUSY | S_REQUEST ) +#define BUSMON_STATUS ( S_BUSY | S_CD | S_IO | S_REQUEST ) +#define BUSMON_SELECT ( S_IO | S_SELECT ) +#define BUSMON_RESELECT ( S_IO | S_SELECT ) +#define BUSMON_PHASE_MASK ( S_CD | S_IO | S_MESSAGE | S_SELECT ) + +#define BUSPHASE_SELECT ( BUSMON_SELECT & BUSMON_PHASE_MASK ) +#define BUSPHASE_COMMAND ( BUSMON_COMMAND & BUSMON_PHASE_MASK ) +#define BUSPHASE_MESSAGE_IN ( BUSMON_MESSAGE_IN & BUSMON_PHASE_MASK ) +#define BUSPHASE_MESSAGE_OUT ( BUSMON_MESSAGE_OUT & BUSMON_PHASE_MASK ) +#define BUSPHASE_DATA_IN ( BUSMON_DATA_IN & BUSMON_PHASE_MASK ) +#define BUSPHASE_DATA_OUT ( BUSMON_DATA_OUT & BUSMON_PHASE_MASK ) +#define BUSPHASE_STATUS ( BUSMON_STATUS & BUSMON_PHASE_MASK ) + +/*====================================================================*/ + +typedef struct scsi_info_t { + struct pcmcia_device *p_dev; + struct Scsi_Host *host; + int stop; +} scsi_info_t; + + +/* synchronous transfer negotiation data */ +typedef struct _sync_data { + unsigned int SyncNegotiation; +#define SYNC_NOT_YET 0 +#define SYNC_OK 1 +#define SYNC_NG 2 + + unsigned int SyncPeriod; + unsigned int SyncOffset; + unsigned char SyncRegister; + unsigned char AckWidth; +} sync_data; + +typedef struct _nsp_hw_data { + unsigned int BaseAddress; + unsigned int NumAddress; + unsigned int IrqNumber; + + unsigned long MmioAddress; +#define NSP_MMIO_OFFSET 0x0800 + unsigned long MmioLength; + + unsigned char ScsiClockDiv; + + unsigned char TransferMode; + + int TimerCount; + int SelectionTimeOut; + struct scsi_cmnd *CurrentSC; + //int CurrnetTarget; + + int FifoCount; + +#define MSGBUF_SIZE 20 + unsigned char MsgBuffer[MSGBUF_SIZE]; + int MsgLen; + +#define N_TARGET 8 + sync_data Sync[N_TARGET]; + + char nspinfo[110]; /* description */ + spinlock_t Lock; + + scsi_info_t *ScsiInfo; /* attach <-> detect glue */ + + +#ifdef NSP_DEBUG + int CmdId; /* Accepted command serial number. + Used for debugging. */ +#endif +} nsp_hw_data; + +/**************************************************************************** + * + */ + +/* Card service functions */ +static void nsp_cs_detach (struct pcmcia_device *p_dev); +static void nsp_cs_release(struct pcmcia_device *link); +static int nsp_cs_config (struct pcmcia_device *link); + +/* Linux SCSI subsystem specific functions */ +static struct Scsi_Host *nsp_detect (struct scsi_host_template *sht); +static const char *nsp_info (struct Scsi_Host *shpnt); +static int nsp_show_info (struct seq_file *m, + struct Scsi_Host *host); +static int nsp_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *SCpnt); + +/* Error handler */ +/*static int nsp_eh_abort (struct scsi_cmnd *SCpnt);*/ +/*static int nsp_eh_device_reset(struct scsi_cmnd *SCpnt);*/ +static int nsp_eh_bus_reset (struct scsi_cmnd *SCpnt); +static int nsp_eh_host_reset (struct scsi_cmnd *SCpnt); +static int nsp_bus_reset (nsp_hw_data *data); + +/* */ +static int nsphw_init (nsp_hw_data *data); +static int nsphw_start_selection(struct scsi_cmnd *SCpnt); +static void nsp_start_timer (struct scsi_cmnd *SCpnt, int time); +static int nsp_fifo_count (struct scsi_cmnd *SCpnt); +static void nsp_pio_read (struct scsi_cmnd *SCpnt); +static void nsp_pio_write (struct scsi_cmnd *SCpnt); +static int nsp_nexus (struct scsi_cmnd *SCpnt); +static void nsp_scsi_done (struct scsi_cmnd *SCpnt); +static int nsp_analyze_sdtr (struct scsi_cmnd *SCpnt); +static int nsp_negate_signal (struct scsi_cmnd *SCpnt, + unsigned char mask, char *str); +static int nsp_expect_signal (struct scsi_cmnd *SCpnt, + unsigned char current_phase, + unsigned char mask); +static int nsp_xfer (struct scsi_cmnd *SCpnt, int phase); +static int nsp_dataphase_bypass (struct scsi_cmnd *SCpnt); +static int nsp_reselected (struct scsi_cmnd *SCpnt); +static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht); + +/* Interrupt handler */ +//static irqreturn_t nspintr(int irq, void *dev_id); + +/* Module entry point*/ +static int __init nsp_cs_init(void); +static void __exit nsp_cs_exit(void); + +/* Debug */ +#ifdef NSP_DEBUG +static void show_command (struct scsi_cmnd *SCpnt); +static void show_phase (struct scsi_cmnd *SCpnt); +static void show_busphase(unsigned char stat); +static void show_message (nsp_hw_data *data); +#else +# define show_command(ptr) /* */ +# define show_phase(SCpnt) /* */ +# define show_busphase(stat) /* */ +# define show_message(data) /* */ +#endif + +/* + * SCSI phase + */ +enum _scsi_phase { + PH_UNDETERMINED , + PH_ARBSTART , + PH_SELSTART , + PH_SELECTED , + PH_COMMAND , + PH_DATA , + PH_STATUS , + PH_MSG_IN , + PH_MSG_OUT , + PH_DISCONNECT , + PH_RESELECT , + PH_ABORT , + PH_RESET +}; + +enum _data_in_out { + IO_UNKNOWN, + IO_IN, + IO_OUT +}; + +enum _burst_mode { + BURST_IO8 = 0, + BURST_IO32 = 1, + BURST_MEM32 = 2, +}; + +/************************************************************************** + * SCSI messaage + */ +#define MSG_COMMAND_COMPLETE 0x00 +#define MSG_EXTENDED 0x01 +#define MSG_ABORT 0x06 +#define MSG_NO_OPERATION 0x08 +#define MSG_BUS_DEVICE_RESET 0x0c + +#define MSG_EXT_SDTR 0x01 + +/* scatter-gather table */ +# define BUFFER_ADDR ((char *)((sg_virt(SCpnt->SCp.buffer)))) + +#endif /*__nsp_cs__*/ +/* end */ diff --git a/kernel/drivers/scsi/pcmcia/nsp_debug.c b/kernel/drivers/scsi/pcmcia/nsp_debug.c new file mode 100644 index 000000000..6aa7d269d --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/nsp_debug.c @@ -0,0 +1,215 @@ +/*======================================================================== + Debug routines for nsp_cs + By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> + + This software may be used and distributed according to the terms of + the GNU General Public License. +=========================================================================*/ + +/* $Id: nsp_debug.c,v 1.3 2003/07/26 14:21:09 elca Exp $ */ + +/* + * Show the command data of a command + */ +static const char unknown[] = "UNKNOWN"; + +static const char * group_0_commands[] = { +/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense", +/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks", +/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown, +/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry", +/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve", +/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit", +/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic", +/* 1e-1f */ "Prevent/Allow Medium Removal", unknown, +}; + + +static const char *group_1_commands[] = { +/* 20-22 */ unknown, unknown, unknown, +/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)", +/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown, +/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal", +/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position", +/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data", +/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer", +/* 3d-3f */ "Update Block", "Read Long", "Write Long", +}; + + +static const char *group_2_commands[] = { +/* 40-41 */ "Change Definition", "Write Same", +/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)", +/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown, +/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)", +/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown, +/* 5c-5f */ unknown, unknown, unknown, +}; + +#define group(opcode) (((opcode) >> 5) & 7) + +#define RESERVED_GROUP 0 +#define VENDOR_GROUP 1 +#define NOTEXT_GROUP 2 + +static const char **commands[] = { + group_0_commands, group_1_commands, group_2_commands, + (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP, + (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP, + (const char **) VENDOR_GROUP +}; + +static const char reserved[] = "RESERVED"; +static const char vendor[] = "VENDOR SPECIFIC"; + +static void print_opcodek(unsigned char opcode) +{ + const char **table = commands[ group(opcode) ]; + + switch ((unsigned long) table) { + case RESERVED_GROUP: + printk("%s[%02x] ", reserved, opcode); + break; + case NOTEXT_GROUP: + printk("%s(notext)[%02x] ", unknown, opcode); + break; + case VENDOR_GROUP: + printk("%s[%02x] ", vendor, opcode); + break; + default: + if (table[opcode & 0x1f] != unknown) + printk("%s[%02x] ", table[opcode & 0x1f], opcode); + else + printk("%s[%02x] ", unknown, opcode); + break; + } +} + +static void print_commandk (unsigned char *command) +{ + int i, s; + printk(KERN_DEBUG); + print_opcodek(command[0]); + /*printk(KERN_DEBUG "%s ", __func__);*/ + if ((command[0] >> 5) == 6 || + (command[0] >> 5) == 7 ) { + s = 12; /* vender specific */ + } else { + s = COMMAND_SIZE(command[0]); + } + for ( i = 1; i < s; ++i) { + printk("%02x ", command[i]); + } + + switch (s) { + case 6: + printk("LBA=%d len=%d", + (((unsigned int)command[1] & 0x0f) << 16) | + ( (unsigned int)command[2] << 8) | + ( (unsigned int)command[3] ), + (unsigned int)command[4] + ); + break; + case 10: + printk("LBA=%d len=%d", + ((unsigned int)command[2] << 24) | + ((unsigned int)command[3] << 16) | + ((unsigned int)command[4] << 8) | + ((unsigned int)command[5] ), + ((unsigned int)command[7] << 8) | + ((unsigned int)command[8] ) + ); + break; + case 12: + printk("LBA=%d len=%d", + ((unsigned int)command[2] << 24) | + ((unsigned int)command[3] << 16) | + ((unsigned int)command[4] << 8) | + ((unsigned int)command[5] ), + ((unsigned int)command[6] << 24) | + ((unsigned int)command[7] << 16) | + ((unsigned int)command[8] << 8) | + ((unsigned int)command[9] ) + ); + break; + default: + break; + } + printk("\n"); +} + +static void show_command(struct scsi_cmnd *SCpnt) +{ + print_commandk(SCpnt->cmnd); +} + +static void show_phase(struct scsi_cmnd *SCpnt) +{ + int i = SCpnt->SCp.phase; + + char *ph[] = { + "PH_UNDETERMINED", + "PH_ARBSTART", + "PH_SELSTART", + "PH_SELECTED", + "PH_COMMAND", + "PH_DATA", + "PH_STATUS", + "PH_MSG_IN", + "PH_MSG_OUT", + "PH_DISCONNECT", + "PH_RESELECT" + }; + + if ( i < PH_UNDETERMINED || i > PH_RESELECT ) { + printk(KERN_DEBUG "scsi phase: unknown(%d)\n", i); + return; + } + + printk(KERN_DEBUG "scsi phase: %s\n", ph[i]); + + return; +} + +static void show_busphase(unsigned char stat) +{ + switch(stat) { + case BUSPHASE_COMMAND: + printk(KERN_DEBUG "BUSPHASE_COMMAND\n"); + break; + case BUSPHASE_MESSAGE_IN: + printk(KERN_DEBUG "BUSPHASE_MESSAGE_IN\n"); + break; + case BUSPHASE_MESSAGE_OUT: + printk(KERN_DEBUG "BUSPHASE_MESSAGE_OUT\n"); + break; + case BUSPHASE_DATA_IN: + printk(KERN_DEBUG "BUSPHASE_DATA_IN\n"); + break; + case BUSPHASE_DATA_OUT: + printk(KERN_DEBUG "BUSPHASE_DATA_OUT\n"); + break; + case BUSPHASE_STATUS: + printk(KERN_DEBUG "BUSPHASE_STATUS\n"); + break; + case BUSPHASE_SELECT: + printk(KERN_DEBUG "BUSPHASE_SELECT\n"); + break; + default: + printk(KERN_DEBUG "BUSPHASE_other\n"); + break; + } +} + +static void show_message(nsp_hw_data *data) +{ + int i; + + printk(KERN_DEBUG "msg:"); + for(i=0; i < data->MsgLen; i++) { + printk(" %02x", data->MsgBuffer[i]); + } + printk("\n"); +} + +/* end */ diff --git a/kernel/drivers/scsi/pcmcia/nsp_io.h b/kernel/drivers/scsi/pcmcia/nsp_io.h new file mode 100644 index 000000000..3b8746f85 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/nsp_io.h @@ -0,0 +1,274 @@ +/* + NinjaSCSI I/O funtions + By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> + + This software may be used and distributed according to the terms of + the GNU General Public License. + + */ + +/* $Id: nsp_io.h,v 1.3 2003/08/04 21:15:26 elca Exp $ */ + +#ifndef __NSP_IO_H__ +#define __NSP_IO_H__ + +static inline void nsp_write(unsigned int base, + unsigned int index, + unsigned char val); +static inline unsigned char nsp_read(unsigned int base, + unsigned int index); +static inline void nsp_index_write(unsigned int BaseAddr, + unsigned int Register, + unsigned char Value); +static inline unsigned char nsp_index_read(unsigned int BaseAddr, + unsigned int Register); + +/******************************************************************* + * Basic IO + */ + +static inline void nsp_write(unsigned int base, + unsigned int index, + unsigned char val) +{ + outb(val, (base + index)); +} + +static inline unsigned char nsp_read(unsigned int base, + unsigned int index) +{ + return inb(base + index); +} + + +/********************************************************************** + * Indexed IO + */ +static inline unsigned char nsp_index_read(unsigned int BaseAddr, + unsigned int Register) +{ + outb(Register, BaseAddr + INDEXREG); + return inb(BaseAddr + DATAREG); +} + +static inline void nsp_index_write(unsigned int BaseAddr, + unsigned int Register, + unsigned char Value) +{ + outb(Register, BaseAddr + INDEXREG); + outb(Value, BaseAddr + DATAREG); +} + +/********************************************************************* + * fifo func + */ + +/* read 8 bit FIFO */ +static inline void nsp_multi_read_1(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + insb(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo8_read(unsigned int base, + void *buf, + unsigned long count) +{ + /*nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx", buf, count);*/ + nsp_multi_read_1(base, FIFODATA, buf, count); +} + +/*--------------------------------------------------------------*/ + +/* read 16 bit FIFO */ +static inline void nsp_multi_read_2(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + insw(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo16_read(unsigned int base, + void *buf, + unsigned long count) +{ + //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*2", buf, count); + nsp_multi_read_2(base, FIFODATA, buf, count); +} + +/*--------------------------------------------------------------*/ + +/* read 32bit FIFO */ +static inline void nsp_multi_read_4(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + insl(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo32_read(unsigned int base, + void *buf, + unsigned long count) +{ + //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); + nsp_multi_read_4(base, FIFODATA, buf, count); +} + +/*----------------------------------------------------------*/ + +/* write 8bit FIFO */ +static inline void nsp_multi_write_1(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + outsb(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo8_write(unsigned int base, + void *buf, + unsigned long count) +{ + nsp_multi_write_1(base, FIFODATA, buf, count); +} + +/*---------------------------------------------------------*/ + +/* write 16bit FIFO */ +static inline void nsp_multi_write_2(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + outsw(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo16_write(unsigned int base, + void *buf, + unsigned long count) +{ + nsp_multi_write_2(base, FIFODATA, buf, count); +} + +/*---------------------------------------------------------*/ + +/* write 32bit FIFO */ +static inline void nsp_multi_write_4(unsigned int BaseAddr, + unsigned int Register, + void *buf, + unsigned long count) +{ + outsl(BaseAddr + Register, buf, count); +} + +static inline void nsp_fifo32_write(unsigned int base, + void *buf, + unsigned long count) +{ + nsp_multi_write_4(base, FIFODATA, buf, count); +} + + +/*====================================================================*/ + +static inline void nsp_mmio_write(unsigned long base, + unsigned int index, + unsigned char val) +{ + unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index); + + writeb(val, ptr); +} + +static inline unsigned char nsp_mmio_read(unsigned long base, + unsigned int index) +{ + unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index); + + return readb(ptr); +} + +/*-----------*/ + +static inline unsigned char nsp_mmio_index_read(unsigned long base, + unsigned int reg) +{ + unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG); + unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG); + + writeb((unsigned char)reg, index_ptr); + return readb(data_ptr); +} + +static inline void nsp_mmio_index_write(unsigned long base, + unsigned int reg, + unsigned char val) +{ + unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG); + unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG); + + writeb((unsigned char)reg, index_ptr); + writeb(val, data_ptr); +} + +/* read 32bit FIFO */ +static inline void nsp_mmio_multi_read_4(unsigned long base, + unsigned int Register, + void *buf, + unsigned long count) +{ + unsigned long *ptr = (unsigned long *)(base + Register); + unsigned long *tmp = (unsigned long *)buf; + int i; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr); + + for (i = 0; i < count; i++) { + *tmp = readl(ptr); + //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp); + tmp++; + } +} + +static inline void nsp_mmio_fifo32_read(unsigned int base, + void *buf, + unsigned long count) +{ + //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); + nsp_mmio_multi_read_4(base, FIFODATA, buf, count); +} + +static inline void nsp_mmio_multi_write_4(unsigned long base, + unsigned int Register, + void *buf, + unsigned long count) +{ + unsigned long *ptr = (unsigned long *)(base + Register); + unsigned long *tmp = (unsigned long *)buf; + int i; + + //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr); + + for (i = 0; i < count; i++) { + writel(*tmp, ptr); + //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp); + tmp++; + } +} + +static inline void nsp_mmio_fifo32_write(unsigned int base, + void *buf, + unsigned long count) +{ + //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count); + nsp_mmio_multi_write_4(base, FIFODATA, buf, count); +} + + + +#endif +/* end */ diff --git a/kernel/drivers/scsi/pcmcia/nsp_message.c b/kernel/drivers/scsi/pcmcia/nsp_message.c new file mode 100644 index 000000000..ef593b70d --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/nsp_message.c @@ -0,0 +1,78 @@ +/*========================================================================== + NinjaSCSI-3 message handler + By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> + + This software may be used and distributed according to the terms of + the GNU General Public License. + */ + +/* $Id: nsp_message.c,v 1.6 2003/07/26 14:21:09 elca Exp $ */ + +static void nsp_message_in(struct scsi_cmnd *SCpnt) +{ + unsigned int base = SCpnt->device->host->io_port; + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + unsigned char data_reg, control_reg; + int ret, len; + + /* + * XXX: NSP QUIRK + * NSP invoke interrupts only in the case of scsi phase changes, + * therefore we should poll the scsi phase here to catch + * the next "msg in" if exists (no scsi phase changes). + */ + ret = 16; + len = 0; + + nsp_dbg(NSP_DEBUG_MSGINOCCUR, "msgin loop"); + do { + /* read data */ + data_reg = nsp_index_read(base, SCSIDATAIN); + + /* assert ACK */ + control_reg = nsp_index_read(base, SCSIBUSCTRL); + control_reg |= SCSI_ACK; + nsp_index_write(base, SCSIBUSCTRL, control_reg); + nsp_negate_signal(SCpnt, BUSMON_REQ, "msgin<REQ>"); + + data->MsgBuffer[len] = data_reg; len++; + + /* deassert ACK */ + control_reg = nsp_index_read(base, SCSIBUSCTRL); + control_reg &= ~SCSI_ACK; + nsp_index_write(base, SCSIBUSCTRL, control_reg); + + /* catch a next signal */ + ret = nsp_expect_signal(SCpnt, BUSPHASE_MESSAGE_IN, BUSMON_REQ); + } while (ret > 0 && MSGBUF_SIZE > len); + + data->MsgLen = len; + +} + +static void nsp_message_out(struct scsi_cmnd *SCpnt) +{ + nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + int ret = 1; + int len = data->MsgLen; + + /* + * XXX: NSP QUIRK + * NSP invoke interrupts only in the case of scsi phase changes, + * therefore we should poll the scsi phase here to catch + * the next "msg out" if exists (no scsi phase changes). + */ + + nsp_dbg(NSP_DEBUG_MSGOUTOCCUR, "msgout loop"); + do { + if (nsp_xfer(SCpnt, BUSPHASE_MESSAGE_OUT)) { + nsp_msg(KERN_DEBUG, "msgout: xfer short"); + } + + /* catch a next signal */ + ret = nsp_expect_signal(SCpnt, BUSPHASE_MESSAGE_OUT, BUSMON_REQ); + } while (ret > 0 && len-- > 0); + +} + +/* end */ diff --git a/kernel/drivers/scsi/pcmcia/qlogic_stub.c b/kernel/drivers/scsi/pcmcia/qlogic_stub.c new file mode 100644 index 000000000..bcaf89fe0 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/qlogic_stub.c @@ -0,0 +1,318 @@ +/*====================================================================== + + A driver for the Qlogic SCSI card + + qlogic_cs.c 1.79 2000/06/12 21:27:26 + + The contents of this file are subject to the Mozilla Public + License Version 1.1 (the "License"); you may not use this file + except in compliance with the License. You may obtain a copy of + the License at http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS + IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + implied. See the License for the specific language governing + rights and limitations under the License. + + 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. + + Alternatively, the contents of this file may be used under the + terms of the GNU General Public License version 2 (the "GPL"), in which + case the provisions of the GPL are applicable instead of the + above. If you wish to allow the use of your version of this file + only under the terms of the GPL and not to allow others to use + your version of this file under the MPL, indicate your decision + by deleting the provisions above and replace them with the notice + and other provisions required by the GPL. If you do not delete + the provisions above, a recipient may use your version of this + file under either the MPL or the GPL. + +======================================================================*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <asm/io.h> +#include <scsi/scsi.h> +#include <linux/major.h> +#include <linux/blkdev.h> +#include <scsi/scsi_ioctl.h> +#include <linux/interrupt.h> + +#include "scsi.h" +#include <scsi/scsi_host.h> +#include "../qlogicfas408.h" + +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> +#include <pcmcia/ciscode.h> + +/* Set the following to 2 to use normal interrupt (active high/totempole- + * tristate), otherwise use 0 (REQUIRED FOR PCMCIA) for active low, open + * drain + */ +#define INT_TYPE 0 + +static char qlogic_name[] = "qlogic_cs"; + +static struct scsi_host_template qlogicfas_driver_template = { + .module = THIS_MODULE, + .name = qlogic_name, + .proc_name = qlogic_name, + .info = qlogicfas408_info, + .queuecommand = qlogicfas408_queuecommand, + .eh_abort_handler = qlogicfas408_abort, + .eh_bus_reset_handler = qlogicfas408_bus_reset, + .bios_param = qlogicfas408_biosparam, + .can_queue = 1, + .this_id = -1, + .sg_tablesize = SG_ALL, + .cmd_per_lun = 1, + .use_clustering = DISABLE_CLUSTERING, +}; + +/*====================================================================*/ + +typedef struct scsi_info_t { + struct pcmcia_device *p_dev; + struct Scsi_Host *host; + unsigned short manf_id; +} scsi_info_t; + +static void qlogic_release(struct pcmcia_device *link); +static void qlogic_detach(struct pcmcia_device *p_dev); +static int qlogic_config(struct pcmcia_device * link); + +static struct Scsi_Host *qlogic_detect(struct scsi_host_template *host, + struct pcmcia_device *link, int qbase, int qlirq) +{ + int qltyp; /* type of chip */ + int qinitid; + struct Scsi_Host *shost; /* registered host structure */ + struct qlogicfas408_priv *priv; + + qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE); + qinitid = host->this_id; + if (qinitid < 0) + qinitid = 7; /* if no ID, use 7 */ + + qlogicfas408_setup(qbase, qinitid, INT_TYPE); + + host->name = qlogic_name; + shost = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv)); + if (!shost) + goto err; + shost->io_port = qbase; + shost->n_io_port = 16; + shost->dma_channel = -1; + if (qlirq != -1) + shost->irq = qlirq; + + priv = get_priv_by_host(shost); + priv->qlirq = qlirq; + priv->qbase = qbase; + priv->qinitid = qinitid; + priv->shost = shost; + priv->int_type = INT_TYPE; + + if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogic_name, shost)) + goto free_scsi_host; + + sprintf(priv->qinfo, + "Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d", + qltyp, qbase, qlirq, QL_TURBO_PDMA); + + if (scsi_add_host(shost, NULL)) + goto free_interrupt; + + scsi_scan_host(shost); + + return shost; + +free_interrupt: + free_irq(qlirq, shost); + +free_scsi_host: + scsi_host_put(shost); + +err: + return NULL; +} +static int qlogic_probe(struct pcmcia_device *link) +{ + scsi_info_t *info; + + dev_dbg(&link->dev, "qlogic_attach()\n"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + info->p_dev = link; + link->priv = info; + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; + link->config_regs = PRESENT_OPTION; + + return qlogic_config(link); +} /* qlogic_attach */ + +/*====================================================================*/ + +static void qlogic_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "qlogic_detach\n"); + + qlogic_release(link); + kfree(link->priv); + +} /* qlogic_detach */ + +/*====================================================================*/ + +static int qlogic_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + + if (p_dev->resource[0]->start == 0) + return -ENODEV; + + return pcmcia_request_io(p_dev); +} + +static int qlogic_config(struct pcmcia_device * link) +{ + scsi_info_t *info = link->priv; + int ret; + struct Scsi_Host *host; + + dev_dbg(&link->dev, "qlogic_config\n"); + + ret = pcmcia_loop_config(link, qlogic_config_check, NULL); + if (ret) + goto failed; + + if (!link->irq) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + if ((info->manf_id == MANFID_MACNICA) || (info->manf_id == MANFID_PIONEER) || (info->manf_id == 0x0098)) { + /* set ATAcmd */ + outb(0xb4, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); + } + + /* The KXL-810AN has a bigger IO port window */ + if (resource_size(link->resource[0]) == 32) + host = qlogic_detect(&qlogicfas_driver_template, link, + link->resource[0]->start + 16, link->irq); + else + host = qlogic_detect(&qlogicfas_driver_template, link, + link->resource[0]->start, link->irq); + + if (!host) { + printk(KERN_INFO "%s: no SCSI devices found\n", qlogic_name); + goto failed; + } + + info->host = host; + + return 0; + +failed: + pcmcia_disable_device(link); + return -ENODEV; +} /* qlogic_config */ + +/*====================================================================*/ + +static void qlogic_release(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + + dev_dbg(&link->dev, "qlogic_release\n"); + + scsi_remove_host(info->host); + + free_irq(link->irq, info->host); + pcmcia_disable_device(link); + + scsi_host_put(info->host); +} + +/*====================================================================*/ + +static int qlogic_resume(struct pcmcia_device *link) +{ + scsi_info_t *info = link->priv; + + pcmcia_enable_device(link); + if ((info->manf_id == MANFID_MACNICA) || + (info->manf_id == MANFID_PIONEER) || + (info->manf_id == 0x0098)) { + outb(0x80, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); + } + /* Ugggglllyyyy!!! */ + qlogicfas408_bus_reset(NULL); + + return 0; +} + +static const struct pcmcia_device_id qlogic_ids[] = { + PCMCIA_DEVICE_PROD_ID12("EIger Labs", "PCMCIA-to-SCSI Adapter", 0x88395fa7, 0x33b7a5e6), + PCMCIA_DEVICE_PROD_ID12("EPSON", "SCSI-2 PC Card SC200", 0xd361772f, 0x299d1751), + PCMCIA_DEVICE_PROD_ID12("MACNICA", "MIRACLE SCSI-II mPS110", 0x20841b68, 0xab3c3b6d), + PCMCIA_DEVICE_PROD_ID12("MIDORI ELECTRONICS ", "CN-SC43", 0x6534382a, 0xd67eee79), + PCMCIA_DEVICE_PROD_ID12("NEC", "PC-9801N-J03R", 0x18df0ba0, 0x24662e8a), + PCMCIA_DEVICE_PROD_ID12("KME ", "KXLC003", 0x82375a27, 0xf68e5bf7), + PCMCIA_DEVICE_PROD_ID12("KME ", "KXLC004", 0x82375a27, 0x68eace54), + PCMCIA_DEVICE_PROD_ID12("KME", "KXLC101", 0x3faee676, 0x194250ec), + PCMCIA_DEVICE_PROD_ID12("QLOGIC CORPORATION", "pc05", 0xd77b2930, 0xa85b2735), + PCMCIA_DEVICE_PROD_ID12("QLOGIC CORPORATION", "pc05 rev 1.10", 0xd77b2930, 0x70f8b5f8), + PCMCIA_DEVICE_PROD_ID123("KME", "KXLC002", "00", 0x3faee676, 0x81896b61, 0xf99f065f), + PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "SCSI2 CARD 37", 0x85c10e17, 0x1a2640c1), + PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "SCSC200A PC CARD SCSI", 0xb4585a1a, 0xa6f06ebe), + PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "SCSC200B PC CARD SCSI-10", 0xb4585a1a, 0x0a88dea0), + /* these conflict with other cards! */ + /* PCMCIA_DEVICE_PROD_ID123("MACNICA", "MIRACLE SCSI", "mPS100", 0x20841b68, 0xf8dedaeb, 0x89f7fafb), */ + /* PCMCIA_DEVICE_PROD_ID123("MACNICA", "MIRACLE SCSI", "mPS100", 0x20841b68, 0xf8dedaeb, 0x89f7fafb), */ + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, qlogic_ids); + +static struct pcmcia_driver qlogic_cs_driver = { + .owner = THIS_MODULE, + .name = "qlogic_cs", + .probe = qlogic_probe, + .remove = qlogic_detach, + .id_table = qlogic_ids, + .resume = qlogic_resume, +}; + +static int __init init_qlogic_cs(void) +{ + return pcmcia_register_driver(&qlogic_cs_driver); +} + +static void __exit exit_qlogic_cs(void) +{ + pcmcia_unregister_driver(&qlogic_cs_driver); +} + +MODULE_AUTHOR("Tom Zerucha, Michael Griffith"); +MODULE_DESCRIPTION("Driver for the PCMCIA Qlogic FAS SCSI controllers"); +MODULE_LICENSE("GPL"); +module_init(init_qlogic_cs); +module_exit(exit_qlogic_cs); diff --git a/kernel/drivers/scsi/pcmcia/sym53c500_cs.c b/kernel/drivers/scsi/pcmcia/sym53c500_cs.c new file mode 100644 index 000000000..155f95730 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/sym53c500_cs.c @@ -0,0 +1,898 @@ +/* +* sym53c500_cs.c Bob Tracy (rct@frus.com) +* +* A rewrite of the pcmcia-cs add-on driver for newer (circa 1997) +* New Media Bus Toaster PCMCIA SCSI cards using the Symbios Logic +* 53c500 controller: intended for use with 2.6 and later kernels. +* The pcmcia-cs add-on version of this driver is not supported +* beyond 2.4. It consisted of three files with history/copyright +* information as follows: +* +* SYM53C500.h +* Bob Tracy (rct@frus.com) +* Original by Tom Corner (tcorner@via.at). +* Adapted from NCR53c406a.h which is Copyrighted (C) 1994 +* Normunds Saumanis (normunds@rx.tech.swh.lv) +* +* SYM53C500.c +* Bob Tracy (rct@frus.com) +* Original driver by Tom Corner (tcorner@via.at) was adapted +* from NCR53c406a.c which is Copyrighted (C) 1994, 1995, 1996 +* Normunds Saumanis (normunds@fi.ibm.com) +* +* sym53c500.c +* Bob Tracy (rct@frus.com) +* Original by Tom Corner (tcorner@via.at) was adapted from a +* driver for the Qlogic SCSI card written by +* David Hinds (dhinds@allegro.stanford.edu). +* +* 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. +*/ + +#define SYM53C500_DEBUG 0 +#define VERBOSE_SYM53C500_DEBUG 0 + +/* +* Set this to 0 if you encounter kernel lockups while transferring +* data in PIO mode. Note this can be changed via "sysfs". +*/ +#define USE_FAST_PIO 1 + +/* =============== End of user configurable parameters ============== */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <linux/blkdev.h> +#include <linux/spinlock.h> +#include <linux/bitops.h> + +#include <asm/io.h> +#include <asm/dma.h> +#include <asm/irq.h> + +#include <scsi/scsi_ioctl.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi.h> +#include <scsi/scsi_host.h> + +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> +#include <pcmcia/ciscode.h> + + +/* ================================================================== */ + +#define SYNC_MODE 0 /* Synchronous transfer mode */ + +/* Default configuration */ +#define C1_IMG 0x07 /* ID=7 */ +#define C2_IMG 0x48 /* FE SCSI2 */ +#define C3_IMG 0x20 /* CDB */ +#define C4_IMG 0x04 /* ANE */ +#define C5_IMG 0xa4 /* ? changed from b6= AA PI SIE POL */ +#define C7_IMG 0x80 /* added for SYM53C500 t. corner */ + +/* Hardware Registers: offsets from io_port (base) */ + +/* Control Register Set 0 */ +#define TC_LSB 0x00 /* transfer counter lsb */ +#define TC_MSB 0x01 /* transfer counter msb */ +#define SCSI_FIFO 0x02 /* scsi fifo register */ +#define CMD_REG 0x03 /* command register */ +#define STAT_REG 0x04 /* status register */ +#define DEST_ID 0x04 /* selection/reselection bus id */ +#define INT_REG 0x05 /* interrupt status register */ +#define SRTIMOUT 0x05 /* select/reselect timeout reg */ +#define SEQ_REG 0x06 /* sequence step register */ +#define SYNCPRD 0x06 /* synchronous transfer period */ +#define FIFO_FLAGS 0x07 /* indicates # of bytes in fifo */ +#define SYNCOFF 0x07 /* synchronous offset register */ +#define CONFIG1 0x08 /* configuration register */ +#define CLKCONV 0x09 /* clock conversion register */ +/* #define TESTREG 0x0A */ /* test mode register */ +#define CONFIG2 0x0B /* configuration 2 register */ +#define CONFIG3 0x0C /* configuration 3 register */ +#define CONFIG4 0x0D /* configuration 4 register */ +#define TC_HIGH 0x0E /* transfer counter high */ +/* #define FIFO_BOTTOM 0x0F */ /* reserve FIFO byte register */ + +/* Control Register Set 1 */ +/* #define JUMPER_SENSE 0x00 */ /* jumper sense port reg (r/w) */ +/* #define SRAM_PTR 0x01 */ /* SRAM address pointer reg (r/w) */ +/* #define SRAM_DATA 0x02 */ /* SRAM data register (r/w) */ +#define PIO_FIFO 0x04 /* PIO FIFO registers (r/w) */ +/* #define PIO_FIFO1 0x05 */ /* */ +/* #define PIO_FIFO2 0x06 */ /* */ +/* #define PIO_FIFO3 0x07 */ /* */ +#define PIO_STATUS 0x08 /* PIO status (r/w) */ +/* #define ATA_CMD 0x09 */ /* ATA command/status reg (r/w) */ +/* #define ATA_ERR 0x0A */ /* ATA features/error reg (r/w) */ +#define PIO_FLAG 0x0B /* PIO flag interrupt enable (r/w) */ +#define CONFIG5 0x09 /* configuration 5 register */ +/* #define SIGNATURE 0x0E */ /* signature register (r) */ +/* #define CONFIG6 0x0F */ /* configuration 6 register (r) */ +#define CONFIG7 0x0d + +/* select register set 0 */ +#define REG0(x) (outb(C4_IMG, (x) + CONFIG4)) +/* select register set 1 */ +#define REG1(x) outb(C7_IMG, (x) + CONFIG7); outb(C5_IMG, (x) + CONFIG5) + +#if SYM53C500_DEBUG +#define DEB(x) x +#else +#define DEB(x) +#endif + +#if VERBOSE_SYM53C500_DEBUG +#define VDEB(x) x +#else +#define VDEB(x) +#endif + +#define LOAD_DMA_COUNT(x, count) \ + outb(count & 0xff, (x) + TC_LSB); \ + outb((count >> 8) & 0xff, (x) + TC_MSB); \ + outb((count >> 16) & 0xff, (x) + TC_HIGH); + +/* Chip commands */ +#define DMA_OP 0x80 + +#define SCSI_NOP 0x00 +#define FLUSH_FIFO 0x01 +#define CHIP_RESET 0x02 +#define SCSI_RESET 0x03 +#define RESELECT 0x40 +#define SELECT_NO_ATN 0x41 +#define SELECT_ATN 0x42 +#define SELECT_ATN_STOP 0x43 +#define ENABLE_SEL 0x44 +#define DISABLE_SEL 0x45 +#define SELECT_ATN3 0x46 +#define RESELECT3 0x47 +#define TRANSFER_INFO 0x10 +#define INIT_CMD_COMPLETE 0x11 +#define MSG_ACCEPT 0x12 +#define TRANSFER_PAD 0x18 +#define SET_ATN 0x1a +#define RESET_ATN 0x1b +#define SEND_MSG 0x20 +#define SEND_STATUS 0x21 +#define SEND_DATA 0x22 +#define DISCONN_SEQ 0x23 +#define TERMINATE_SEQ 0x24 +#define TARG_CMD_COMPLETE 0x25 +#define DISCONN 0x27 +#define RECV_MSG 0x28 +#define RECV_CMD 0x29 +#define RECV_DATA 0x2a +#define RECV_CMD_SEQ 0x2b +#define TARGET_ABORT_DMA 0x04 + +/* ================================================================== */ + +struct scsi_info_t { + struct pcmcia_device *p_dev; + struct Scsi_Host *host; + unsigned short manf_id; +}; + +/* +* Repository for per-instance host data. +*/ +struct sym53c500_data { + struct scsi_cmnd *current_SC; + int fast_pio; +}; + +enum Phase { + idle, + data_out, + data_in, + command_ph, + status_ph, + message_out, + message_in +}; + +/* ================================================================== */ + +static void +chip_init(int io_port) +{ + REG1(io_port); + outb(0x01, io_port + PIO_STATUS); + outb(0x00, io_port + PIO_FLAG); + + outb(C4_IMG, io_port + CONFIG4); /* REG0(io_port); */ + outb(C3_IMG, io_port + CONFIG3); + outb(C2_IMG, io_port + CONFIG2); + outb(C1_IMG, io_port + CONFIG1); + + outb(0x05, io_port + CLKCONV); /* clock conversion factor */ + outb(0x9C, io_port + SRTIMOUT); /* Selection timeout */ + outb(0x05, io_port + SYNCPRD); /* Synchronous transfer period */ + outb(SYNC_MODE, io_port + SYNCOFF); /* synchronous mode */ +} + +static void +SYM53C500_int_host_reset(int io_port) +{ + outb(C4_IMG, io_port + CONFIG4); /* REG0(io_port); */ + outb(CHIP_RESET, io_port + CMD_REG); + outb(SCSI_NOP, io_port + CMD_REG); /* required after reset */ + outb(SCSI_RESET, io_port + CMD_REG); + chip_init(io_port); +} + +static __inline__ int +SYM53C500_pio_read(int fast_pio, int base, unsigned char *request, unsigned int reqlen) +{ + int i; + int len; /* current scsi fifo size */ + + REG1(base); + while (reqlen) { + i = inb(base + PIO_STATUS); + /* VDEB(printk("pio_status=%x\n", i)); */ + if (i & 0x80) + return 0; + + switch (i & 0x1e) { + default: + case 0x10: /* fifo empty */ + len = 0; + break; + case 0x0: + len = 1; + break; + case 0x8: /* fifo 1/3 full */ + len = 42; + break; + case 0xc: /* fifo 2/3 full */ + len = 84; + break; + case 0xe: /* fifo full */ + len = 128; + break; + } + + if ((i & 0x40) && len == 0) { /* fifo empty and interrupt occurred */ + return 0; + } + + if (len) { + if (len > reqlen) + len = reqlen; + + if (fast_pio && len > 3) { + insl(base + PIO_FIFO, request, len >> 2); + request += len & 0xfc; + reqlen -= len & 0xfc; + } else { + while (len--) { + *request++ = inb(base + PIO_FIFO); + reqlen--; + } + } + } + } + return 0; +} + +static __inline__ int +SYM53C500_pio_write(int fast_pio, int base, unsigned char *request, unsigned int reqlen) +{ + int i = 0; + int len; /* current scsi fifo size */ + + REG1(base); + while (reqlen && !(i & 0x40)) { + i = inb(base + PIO_STATUS); + /* VDEB(printk("pio_status=%x\n", i)); */ + if (i & 0x80) /* error */ + return 0; + + switch (i & 0x1e) { + case 0x10: + len = 128; + break; + case 0x0: + len = 84; + break; + case 0x8: + len = 42; + break; + case 0xc: + len = 1; + break; + default: + case 0xe: + len = 0; + break; + } + + if (len) { + if (len > reqlen) + len = reqlen; + + if (fast_pio && len > 3) { + outsl(base + PIO_FIFO, request, len >> 2); + request += len & 0xfc; + reqlen -= len & 0xfc; + } else { + while (len--) { + outb(*request++, base + PIO_FIFO); + reqlen--; + } + } + } + } + return 0; +} + +static irqreturn_t +SYM53C500_intr(int irq, void *dev_id) +{ + unsigned long flags; + struct Scsi_Host *dev = dev_id; + DEB(unsigned char fifo_size;) + DEB(unsigned char seq_reg;) + unsigned char status, int_reg; + unsigned char pio_status; + int port_base = dev->io_port; + struct sym53c500_data *data = + (struct sym53c500_data *)dev->hostdata; + struct scsi_cmnd *curSC = data->current_SC; + int fast_pio = data->fast_pio; + + spin_lock_irqsave(dev->host_lock, flags); + + VDEB(printk("SYM53C500_intr called\n")); + + REG1(port_base); + pio_status = inb(port_base + PIO_STATUS); + REG0(port_base); + status = inb(port_base + STAT_REG); + DEB(seq_reg = inb(port_base + SEQ_REG)); + int_reg = inb(port_base + INT_REG); + DEB(fifo_size = inb(port_base + FIFO_FLAGS) & 0x1f); + +#if SYM53C500_DEBUG + printk("status=%02x, seq_reg=%02x, int_reg=%02x, fifo_size=%02x", + status, seq_reg, int_reg, fifo_size); + printk(", pio=%02x\n", pio_status); +#endif /* SYM53C500_DEBUG */ + + if (int_reg & 0x80) { /* SCSI reset intr */ + DEB(printk("SYM53C500: reset intr received\n")); + curSC->result = DID_RESET << 16; + goto idle_out; + } + + if (pio_status & 0x80) { + printk("SYM53C500: Warning: PIO error!\n"); + curSC->result = DID_ERROR << 16; + goto idle_out; + } + + if (status & 0x20) { /* Parity error */ + printk("SYM53C500: Warning: parity error!\n"); + curSC->result = DID_PARITY << 16; + goto idle_out; + } + + if (status & 0x40) { /* Gross error */ + printk("SYM53C500: Warning: gross error!\n"); + curSC->result = DID_ERROR << 16; + goto idle_out; + } + + if (int_reg & 0x20) { /* Disconnect */ + DEB(printk("SYM53C500: disconnect intr received\n")); + if (curSC->SCp.phase != message_in) { /* Unexpected disconnect */ + curSC->result = DID_NO_CONNECT << 16; + } else { /* Command complete, return status and message */ + curSC->result = (curSC->SCp.Status & 0xff) + | ((curSC->SCp.Message & 0xff) << 8) | (DID_OK << 16); + } + goto idle_out; + } + + switch (status & 0x07) { /* scsi phase */ + case 0x00: /* DATA-OUT */ + if (int_reg & 0x10) { /* Target requesting info transfer */ + struct scatterlist *sg; + int i; + + curSC->SCp.phase = data_out; + VDEB(printk("SYM53C500: Data-Out phase\n")); + outb(FLUSH_FIFO, port_base + CMD_REG); + LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ + outb(TRANSFER_INFO | DMA_OP, port_base + CMD_REG); + + scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { + SYM53C500_pio_write(fast_pio, port_base, + sg_virt(sg), sg->length); + } + REG0(port_base); + } + break; + + case 0x01: /* DATA-IN */ + if (int_reg & 0x10) { /* Target requesting info transfer */ + struct scatterlist *sg; + int i; + + curSC->SCp.phase = data_in; + VDEB(printk("SYM53C500: Data-In phase\n")); + outb(FLUSH_FIFO, port_base + CMD_REG); + LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ + outb(TRANSFER_INFO | DMA_OP, port_base + CMD_REG); + + scsi_for_each_sg(curSC, sg, scsi_sg_count(curSC), i) { + SYM53C500_pio_read(fast_pio, port_base, + sg_virt(sg), sg->length); + } + REG0(port_base); + } + break; + + case 0x02: /* COMMAND */ + curSC->SCp.phase = command_ph; + printk("SYM53C500: Warning: Unknown interrupt occurred in command phase!\n"); + break; + + case 0x03: /* STATUS */ + curSC->SCp.phase = status_ph; + VDEB(printk("SYM53C500: Status phase\n")); + outb(FLUSH_FIFO, port_base + CMD_REG); + outb(INIT_CMD_COMPLETE, port_base + CMD_REG); + break; + + case 0x04: /* Reserved */ + case 0x05: /* Reserved */ + printk("SYM53C500: WARNING: Reserved phase!!!\n"); + break; + + case 0x06: /* MESSAGE-OUT */ + DEB(printk("SYM53C500: Message-Out phase\n")); + curSC->SCp.phase = message_out; + outb(SET_ATN, port_base + CMD_REG); /* Reject the message */ + outb(MSG_ACCEPT, port_base + CMD_REG); + break; + + case 0x07: /* MESSAGE-IN */ + VDEB(printk("SYM53C500: Message-In phase\n")); + curSC->SCp.phase = message_in; + + curSC->SCp.Status = inb(port_base + SCSI_FIFO); + curSC->SCp.Message = inb(port_base + SCSI_FIFO); + + VDEB(printk("SCSI FIFO size=%d\n", inb(port_base + FIFO_FLAGS) & 0x1f)); + DEB(printk("Status = %02x Message = %02x\n", curSC->SCp.Status, curSC->SCp.Message)); + + if (curSC->SCp.Message == SAVE_POINTERS || curSC->SCp.Message == DISCONNECT) { + outb(SET_ATN, port_base + CMD_REG); /* Reject message */ + DEB(printk("Discarding SAVE_POINTERS message\n")); + } + outb(MSG_ACCEPT, port_base + CMD_REG); + break; + } +out: + spin_unlock_irqrestore(dev->host_lock, flags); + return IRQ_HANDLED; + +idle_out: + curSC->SCp.phase = idle; + curSC->scsi_done(curSC); + goto out; +} + +static void +SYM53C500_release(struct pcmcia_device *link) +{ + struct scsi_info_t *info = link->priv; + struct Scsi_Host *shost = info->host; + + dev_dbg(&link->dev, "SYM53C500_release\n"); + + /* + * Do this before releasing/freeing resources. + */ + scsi_remove_host(shost); + + /* + * Interrupts getting hosed on card removal. Try + * the following code, mostly from qlogicfas.c. + */ + if (shost->irq) + free_irq(shost->irq, shost); + if (shost->io_port && shost->n_io_port) + release_region(shost->io_port, shost->n_io_port); + + pcmcia_disable_device(link); + + scsi_host_put(shost); +} /* SYM53C500_release */ + +static const char* +SYM53C500_info(struct Scsi_Host *SChost) +{ + static char info_msg[256]; + struct sym53c500_data *data = + (struct sym53c500_data *)SChost->hostdata; + + DEB(printk("SYM53C500_info called\n")); + (void)snprintf(info_msg, sizeof(info_msg), + "SYM53C500 at 0x%lx, IRQ %d, %s PIO mode.", + SChost->io_port, SChost->irq, data->fast_pio ? "fast" : "slow"); + return (info_msg); +} + +static int +SYM53C500_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +{ + int i; + int port_base = SCpnt->device->host->io_port; + struct sym53c500_data *data = + (struct sym53c500_data *)SCpnt->device->host->hostdata; + + VDEB(printk("SYM53C500_queue called\n")); + + DEB(printk("cmd=%02x, cmd_len=%02x, target=%02x, lun=%02x, bufflen=%d\n", + SCpnt->cmnd[0], SCpnt->cmd_len, SCpnt->device->id, + (u8)SCpnt->device->lun, scsi_bufflen(SCpnt))); + + VDEB(for (i = 0; i < SCpnt->cmd_len; i++) + printk("cmd[%d]=%02x ", i, SCpnt->cmnd[i])); + VDEB(printk("\n")); + + data->current_SC = SCpnt; + data->current_SC->scsi_done = done; + data->current_SC->SCp.phase = command_ph; + data->current_SC->SCp.Status = 0; + data->current_SC->SCp.Message = 0; + + /* We are locked here already by the mid layer */ + REG0(port_base); + outb(scmd_id(SCpnt), port_base + DEST_ID); /* set destination */ + outb(FLUSH_FIFO, port_base + CMD_REG); /* reset the fifos */ + + for (i = 0; i < SCpnt->cmd_len; i++) { + outb(SCpnt->cmnd[i], port_base + SCSI_FIFO); + } + outb(SELECT_NO_ATN, port_base + CMD_REG); + + return 0; +} + +static DEF_SCSI_QCMD(SYM53C500_queue) + +static int +SYM53C500_host_reset(struct scsi_cmnd *SCpnt) +{ + int port_base = SCpnt->device->host->io_port; + + DEB(printk("SYM53C500_host_reset called\n")); + spin_lock_irq(SCpnt->device->host->host_lock); + SYM53C500_int_host_reset(port_base); + spin_unlock_irq(SCpnt->device->host->host_lock); + + return SUCCESS; +} + +static int +SYM53C500_biosparm(struct scsi_device *disk, + struct block_device *dev, + sector_t capacity, int *info_array) +{ + int size; + + DEB(printk("SYM53C500_biosparm called\n")); + + size = capacity; + info_array[0] = 64; /* heads */ + info_array[1] = 32; /* sectors */ + info_array[2] = size >> 11; /* cylinders */ + if (info_array[2] > 1024) { /* big disk */ + info_array[0] = 255; + info_array[1] = 63; + info_array[2] = size / (255 * 63); + } + return 0; +} + +static ssize_t +SYM53C500_show_pio(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *SHp = class_to_shost(dev); + struct sym53c500_data *data = + (struct sym53c500_data *)SHp->hostdata; + + return snprintf(buf, 4, "%d\n", data->fast_pio); +} + +static ssize_t +SYM53C500_store_pio(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int pio; + struct Scsi_Host *SHp = class_to_shost(dev); + struct sym53c500_data *data = + (struct sym53c500_data *)SHp->hostdata; + + pio = simple_strtoul(buf, NULL, 0); + if (pio == 0 || pio == 1) { + data->fast_pio = pio; + return count; + } + else + return -EINVAL; +} + +/* +* SCSI HBA device attributes we want to +* make available via sysfs. +*/ +static struct device_attribute SYM53C500_pio_attr = { + .attr = { + .name = "fast_pio", + .mode = (S_IRUGO | S_IWUSR), + }, + .show = SYM53C500_show_pio, + .store = SYM53C500_store_pio, +}; + +static struct device_attribute *SYM53C500_shost_attrs[] = { + &SYM53C500_pio_attr, + NULL, +}; + +/* +* scsi_host_template initializer +*/ +static struct scsi_host_template sym53c500_driver_template = { + .module = THIS_MODULE, + .name = "SYM53C500", + .info = SYM53C500_info, + .queuecommand = SYM53C500_queue, + .eh_host_reset_handler = SYM53C500_host_reset, + .bios_param = SYM53C500_biosparm, + .proc_name = "SYM53C500", + .can_queue = 1, + .this_id = 7, + .sg_tablesize = 32, + .cmd_per_lun = 1, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = SYM53C500_shost_attrs +}; + +static int SYM53C500_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->io_lines = 10; + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; + + if (p_dev->resource[0]->start == 0) + return -ENODEV; + + return pcmcia_request_io(p_dev); +} + +static int +SYM53C500_config(struct pcmcia_device *link) +{ + struct scsi_info_t *info = link->priv; + int ret; + int irq_level, port_base; + struct Scsi_Host *host; + struct scsi_host_template *tpnt = &sym53c500_driver_template; + struct sym53c500_data *data; + + dev_dbg(&link->dev, "SYM53C500_config\n"); + + info->manf_id = link->manf_id; + + ret = pcmcia_loop_config(link, SYM53C500_config_check, NULL); + if (ret) + goto failed; + + if (!link->irq) + goto failed; + + ret = pcmcia_enable_device(link); + if (ret) + goto failed; + + /* + * That's the trouble with copying liberally from another driver. + * Some things probably aren't relevant, and I suspect this entire + * section dealing with manufacturer IDs can be scrapped. --rct + */ + if ((info->manf_id == MANFID_MACNICA) || + (info->manf_id == MANFID_PIONEER) || + (info->manf_id == 0x0098)) { + /* set ATAcmd */ + outb(0xb4, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); + } + + /* + * irq_level == 0 implies tpnt->can_queue == 0, which + * is not supported in 2.6. Thus, only irq_level > 0 + * will be allowed. + * + * Possible port_base values are as follows: + * + * 0x130, 0x230, 0x280, 0x290, + * 0x320, 0x330, 0x340, 0x350 + */ + port_base = link->resource[0]->start; + irq_level = link->irq; + + DEB(printk("SYM53C500: port_base=0x%x, irq=%d, fast_pio=%d\n", + port_base, irq_level, USE_FAST_PIO);) + + chip_init(port_base); + + host = scsi_host_alloc(tpnt, sizeof(struct sym53c500_data)); + if (!host) { + printk("SYM53C500: Unable to register host, giving up.\n"); + goto err_release; + } + + data = (struct sym53c500_data *)host->hostdata; + + if (irq_level > 0) { + if (request_irq(irq_level, SYM53C500_intr, IRQF_SHARED, "SYM53C500", host)) { + printk("SYM53C500: unable to allocate IRQ %d\n", irq_level); + goto err_free_scsi; + } + DEB(printk("SYM53C500: allocated IRQ %d\n", irq_level)); + } else if (irq_level == 0) { + DEB(printk("SYM53C500: No interrupts detected\n")); + goto err_free_scsi; + } else { + DEB(printk("SYM53C500: Shouldn't get here!\n")); + goto err_free_scsi; + } + + host->unique_id = port_base; + host->irq = irq_level; + host->io_port = port_base; + host->n_io_port = 0x10; + host->dma_channel = -1; + + /* + * Note fast_pio is set to USE_FAST_PIO by + * default, but can be changed via "sysfs". + */ + data->fast_pio = USE_FAST_PIO; + + info->host = host; + + if (scsi_add_host(host, NULL)) + goto err_free_irq; + + scsi_scan_host(host); + + return 0; + +err_free_irq: + free_irq(irq_level, host); +err_free_scsi: + scsi_host_put(host); +err_release: + release_region(port_base, 0x10); + printk(KERN_INFO "sym53c500_cs: no SCSI devices found\n"); + return -ENODEV; + +failed: + SYM53C500_release(link); + return -ENODEV; +} /* SYM53C500_config */ + +static int sym53c500_resume(struct pcmcia_device *link) +{ + struct scsi_info_t *info = link->priv; + + /* See earlier comment about manufacturer IDs. */ + if ((info->manf_id == MANFID_MACNICA) || + (info->manf_id == MANFID_PIONEER) || + (info->manf_id == 0x0098)) { + outb(0x80, link->resource[0]->start + 0xd); + outb(0x24, link->resource[0]->start + 0x9); + outb(0x04, link->resource[0]->start + 0xd); + } + /* + * If things don't work after a "resume", + * this is a good place to start looking. + */ + SYM53C500_int_host_reset(link->resource[0]->start); + + return 0; +} + +static void +SYM53C500_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "SYM53C500_detach\n"); + + SYM53C500_release(link); + + kfree(link->priv); + link->priv = NULL; +} /* SYM53C500_detach */ + +static int +SYM53C500_probe(struct pcmcia_device *link) +{ + struct scsi_info_t *info; + + dev_dbg(&link->dev, "SYM53C500_attach()\n"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + info->p_dev = link; + link->priv = info; + link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; + + return SYM53C500_config(link); +} /* SYM53C500_attach */ + +MODULE_AUTHOR("Bob Tracy <rct@frus.com>"); +MODULE_DESCRIPTION("SYM53C500 PCMCIA SCSI driver"); +MODULE_LICENSE("GPL"); + +static const struct pcmcia_device_id sym53c500_ids[] = { + PCMCIA_DEVICE_PROD_ID12("BASICS by New Media Corporation", "SCSI Sym53C500", 0x23c78a9d, 0x0099e7f7), + PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "SCSI Bus Toaster Sym53C500", 0x085a850b, 0x45432eb8), + PCMCIA_DEVICE_PROD_ID2("SCSI9000", 0x21648f44), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, sym53c500_ids); + +static struct pcmcia_driver sym53c500_cs_driver = { + .owner = THIS_MODULE, + .name = "sym53c500_cs", + .probe = SYM53C500_probe, + .remove = SYM53C500_detach, + .id_table = sym53c500_ids, + .resume = sym53c500_resume, +}; + +static int __init +init_sym53c500_cs(void) +{ + return pcmcia_register_driver(&sym53c500_cs_driver); +} + +static void __exit +exit_sym53c500_cs(void) +{ + pcmcia_unregister_driver(&sym53c500_cs_driver); +} + +module_init(init_sym53c500_cs); +module_exit(exit_sym53c500_cs); |