11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sun3 SCSI stuff by Erik Verbruggen (erik@bigmama.xtdnet.nl) 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sun3 DMA routines added by Sam Creasey (sammy@sammy.net) 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Adapted from mac_scsinew.c: 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Generic Macintosh NCR5380 driver 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 1998, Michael Schmitz <mschmitz@lbl.gov> 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * derived in part from: 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Generic Generic NCR5380 driver 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 1995, Russell King 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ALPHA RELEASE 1. 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For more information, please consult 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NCR 5380 Family 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SCSI Protocol Controller 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Databook 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NCR Microelectronics 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1635 Aeroplaza Drive 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Colorado Springs, CO 80916 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1+ (719) 578-3400 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1+ (800) 334-5454 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is from mac_scsi.h, but hey, maybe this is useful for Sun3 too! :) 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Options : 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PARITY - enable parity checking. Not supported. 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SCSI2 - enable support for SCSI-II tagged queueing. Untested. 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * USLEEP - enable support for devices that don't disconnect. Untested. 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * $Log: sun3_NCR5380.c,v $ 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AUTOSENSE 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/stddef.h> 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ctype.h> 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/signal.h> 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/blkdev.h> 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/sun3ints.h> 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/dvma.h> 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/idprom.h> 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/machines.h> 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 722ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven#define NDEBUG 0 732ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven 742ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven#define NDEBUG_ABORT 0x00100000 752ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven#define NDEBUG_TAGS 0x00200000 762ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven#define NDEBUG_MERGING 0x00400000 772ba51ea28ba54ea8808ba7dfd694f1dd37e8b7c7Geert Uytterhoeven 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* dma on! */ 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REAL_DMA 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "scsi.h" 82c39e7eee149b4105fc49df27a2cb04fad880bb00Sam Creasey#include "initio.h" 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <scsi/scsi_host.h> 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "sun3_scsi.h" 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void NCR5380_print(struct Scsi_Host *instance); 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* #define OLDDMA */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define USE_WRAPPER 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*#define RESET_BOOT */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DRIVER_SETUP 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * BUG can be used to trigger a strange code-size related hang on 2.1 kernels 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef BUG 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef RESET_BOOT 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef DRIVER_SETUP 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* #define SUPPORT_TAGS */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ENABLE_IRQ() enable_irq( IRQ_SUN3_SCSI ); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1077d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic irqreturn_t scsi_sun3_intr(int irq, void *dummy); 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned char sun3scsi_read(int reg); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void sun3scsi_write(int reg, int value); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int setup_can_queue = -1; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(setup_can_queue, int, 0); 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int setup_cmd_per_lun = -1; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(setup_cmd_per_lun, int, 0); 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int setup_sg_tablesize = -1; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(setup_sg_tablesize, int, 0); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SUPPORT_TAGS 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int setup_use_tagged_queuing = -1; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(setup_use_tagged_queuing, int, 0); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int setup_hostid = -1; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(setup_hostid, int, 0); 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 124811c93666c3f4a0e99382c24a84480b03c7262f6Henrik Kretzschmarstatic struct scsi_cmnd *sun3_dma_setup_done = NULL; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AFTER_RESET_DELAY (HZ/2) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ms to wait after hitting dma regs */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SUN3_DMA_DELAY 10 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* dvma buffer to allocate -- 32k should hopefully be more than sufficient */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SUN3_DVMA_BUFSIZE 0xe000 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* minimum number of bytes to do dma on */ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SUN3_DMA_MINSIZE 128 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic volatile unsigned char *sun3_scsi_regp; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic volatile struct sun3_dma_regs *dregs; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef OLDDMA 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned char *dmabuf = NULL; /* dma memory buffer */ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct sun3_udc_regs *udc_regs = NULL; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned char *sun3_dma_orig_addr = NULL; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long sun3_dma_orig_count = 0; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int sun3_dma_active = 0; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long last_residual = 0; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NCR 5380 register access functions 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned char sun3scsi_read(int reg) 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return( sun3_scsi_regp[reg] ); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void sun3scsi_write(int reg, int value) 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_scsi_regp[reg] = value; 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* dma controller register access functions */ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned short sun3_udc_read(unsigned char reg) 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short ret; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->udc_addr = UDC_CSR; 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = dregs->udc_data; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void sun3_udc_write(unsigned short val, unsigned char reg) 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->udc_addr = reg; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->udc_data = val; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * XXX: status debug 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct Scsi_Host *default_instance; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 190d0be4a7d29ad0bd3ce2209dd9e46d410b632db59Christoph Hellwig * Function : int sun3scsi_detect(struct scsi_host_template * tpnt) 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : initializes mac NCR5380 driver based on the 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * command line / compile time port and irq definitions. 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Inputs : tpnt - template for this SCSI adapter. 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Returns : 1 if a host adapter was found, 0 if not. 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201d559c49e026b4b64dbeb9227c70c98ad11518747Geert Uytterhoevenint __init sun3scsi_detect(struct scsi_host_template * tpnt) 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long ioaddr; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds static int called = 0; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *instance; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check that this machine has an onboard 5380 */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(idprom->id_machtype) { 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SM_SUN3|SM_3_50: 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SM_SUN3|SM_3_60: 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(called) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->proc_name = "Sun3 5380 SCSI"; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup variables */ 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->can_queue = 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (setup_can_queue > 0) ? setup_can_queue : CAN_QUEUE; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->cmd_per_lun = 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (setup_cmd_per_lun > 0) ? setup_cmd_per_lun : CMD_PER_LUN; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->sg_tablesize = 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (setup_sg_tablesize >= 0) ? setup_sg_tablesize : SG_TABLESIZE; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (setup_hostid >= 0) 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->this_id = setup_hostid; 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* use 7 as default */ 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tpnt->this_id = 7; 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ioaddr = (unsigned long)ioremap(IOBASE_SUN3_SCSI, PAGE_SIZE); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_scsi_regp = (unsigned char *)ioaddr; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs = (struct sun3_dma_regs *)(((unsigned char *)ioaddr) + 8); 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if((udc_regs = dvma_malloc(sizeof(struct sun3_udc_regs))) 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds == NULL) { 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("SUN3 Scsi couldn't allocate DVMA memory!\n"); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef OLDDMA 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if((dmabuf = dvma_malloc_align(SUN3_DVMA_BUFSIZE, 0x10000)) == NULL) { 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("SUN3 Scsi couldn't allocate DVMA memory!\n"); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef SUPPORT_TAGS 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (setup_use_tagged_queuing < 0) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setup_use_tagged_queuing = USE_TAGGED_QUEUING; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance = scsi_register (tpnt, sizeof(struct NCR5380_hostdata)); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(instance == NULL) 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default_instance = instance; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->io_port = (unsigned long) ioaddr; 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->irq = IRQ_SUN3_SCSI; 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_init(instance, 0); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->n_io_port = 32; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((struct NCR5380_hostdata *)instance->hostdata)->ctrl = 0; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (request_irq(instance->irq, scsi_sun3_intr, 2741e641664301744f0d381de43ae1e12343e60b479Jeff Garzik 0, "Sun3SCSI-5380", instance)) { 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef REAL_DMA 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: IRQ%d not free, interrupts disabled\n", 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->host_no, instance->irq); 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->irq = SCSI_IRQ_NONE; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: IRQ%d not free, bailing out\n", 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->host_no, instance->irq); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: Sun3 5380 at port %lX irq", instance->host_no, instance->io_port); 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (instance->irq == SCSI_IRQ_NONE) 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk ("s disabled"); 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk (" %d", instance->irq); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d", 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds instance->can_queue, instance->cmd_per_lun, 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SUN3SCSI_PUBLIC_RELEASE); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\nscsi%d:", instance->host_no); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_print_options(instance); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr = 0; 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr = CSR_SCSI | CSR_FIFO | CSR_INTR; 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->fifo_count = 0; 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds called = 1; 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef RESET_BOOT 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_scsi_reset_boot(instance); 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint sun3scsi_release (struct Scsi_Host *shpnt) 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (shpnt->irq != SCSI_IRQ_NONE) 3161e641664301744f0d381de43ae1e12343e60b479Jeff Garzik free_irq(shpnt->irq, shpnt); 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap((void *)sun3_scsi_regp); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32019b6c51cf05656c9dd970164be52b120162391bfGeert Uytterhoeven NCR5380_exit(shpnt); 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef RESET_BOOT 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Our 'bus reset on boot' function 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void sun3_scsi_reset_boot(struct Scsi_Host *instance) 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long end; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_local_declare(); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_setup(instance); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Do a SCSI reset to clean up the bus during initialization. No 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * messing with the queues, interrupts, or locks necessary here. 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk( "Sun3 SCSI: resetting the SCSI bus..." ); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch off SCSI IRQ - catch an interrupt without IRQ bit set else */ 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// sun3_disable_irq( IRQ_SUN3_SCSI ); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get in phase */ 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_write( TARGET_COMMAND_REG, 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) )); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* assert RST */ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST ); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The min. reset hold time is 25us, so 40us should be enough */ 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay( 50 ); 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset RST and interrupt */ 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE ); 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_read( RESET_PARITY_INTERRUPT_REG ); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for( end = jiffies + AFTER_RESET_DELAY; time_before(jiffies, end); ) 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds barrier(); 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch on SCSI IRQ again */ 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// sun3_enable_irq( IRQ_SUN3_SCSI ); 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk( " done\n" ); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char * sun3scsi_info (struct Scsi_Host *spnt) { 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ""; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// safe bits for the CSR 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_GOOD 0x060f 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3777d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic irqreturn_t scsi_sun3_intr(int irq, void *dummy) 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short csr = dregs->csr; 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int handled = 0; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(csr & ~CSR_GOOD) { 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(csr & CSR_DMA_BUSERR) { 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: bus error in dma\n", default_instance->host_no); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(csr & CSR_DMA_CONFLICT) { 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: dma conflict\n", default_instance->host_no); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds handled = 1; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(csr & (CSR_SDB_INT | CSR_DMA_INT)) { 3947d12e780e003f93433d49ce78cfedf4b4c52adc5David Howells NCR5380_intr(irq, dummy); 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds handled = 1; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_RETVAL(handled); 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Debug stuff - to be called on NMI, or sysrq key. Use at your own risk; 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reentering NCR5380_print_status seems to have ugly side effects 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* this doesn't seem to get used at all -- sam */ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid sun3_sun3_debug (void) 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_local_declare(); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (default_instance) { 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_save(flags); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_print_status(default_instance); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_restore(flags); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* sun3scsi_dma_setup() -- initialize the dma controller for a read/write */ 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long sun3scsi_dma_setup(void *data, unsigned long count, int write_flag) 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef OLDDMA 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(write_flag) 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(dmabuf, data, count); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_addr = data; 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_count = count; 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *addr; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(sun3_dma_orig_addr != NULL) 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvma_unmap(sun3_dma_orig_addr); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// addr = sun3_dvma_page((unsigned long)data, (unsigned long)dmabuf); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr = (void *)dvma_map((unsigned long) data, count); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_addr = addr; 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_count = count; 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->fifo_count = 0; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(UDC_RESET, UDC_CSR); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset fifo */ 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr &= ~CSR_FIFO; 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr |= CSR_FIFO; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set direction */ 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(write_flag) 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr |= CSR_SEND; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr &= ~CSR_SEND; 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* byte count for fifo */ 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->fifo_count = count; 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(UDC_RESET, UDC_CSR); 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset fifo */ 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr &= ~CSR_FIFO; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr |= CSR_FIFO; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(dregs->fifo_count != count) { 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: fifo_mismatch %04x not %04x\n", 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default_instance->host_no, dregs->fifo_count, 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (unsigned int) count); 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCR5380_print(default_instance); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup udc */ 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef OLDDMA 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->addr_hi = ((dvma_vtob(dmabuf) & 0xff0000) >> 8); 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->addr_lo = (dvma_vtob(dmabuf) & 0xffff); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->addr_hi = (((unsigned long)(addr) & 0xff0000) >> 8); 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->addr_lo = ((unsigned long)(addr) & 0xffff); 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->count = count/2; /* count in words */ 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->mode_hi = UDC_MODE_HIWORD; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(write_flag) { 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(count & 1) 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->count++; 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->mode_lo = UDC_MODE_LSEND; 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->rsel = UDC_RSEL_SEND; 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->mode_lo = UDC_MODE_LRECV; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udc_regs->rsel = UDC_RSEL_RECV; 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* announce location of regs block */ 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(((dvma_vtob(udc_regs) & 0xff0000) >> 8), 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds UDC_CHN_HI); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write((dvma_vtob(udc_regs) & 0xffff), UDC_CHN_LO); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* set dma master on */ 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(0xd, UDC_MODE); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* interrupt enable */ 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(UDC_INT_ENABLE, UDC_CSR); 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned long sun3scsi_dma_count(struct Scsi_Host *instance) 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short resid; 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->udc_addr = 0x32; 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds resid = dregs->udc_data; 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(SUN3_DMA_DELAY); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds resid *= 2; 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (unsigned long) resid; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline unsigned long sun3scsi_dma_residual(struct Scsi_Host *instance) 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return last_residual; 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 527811c93666c3f4a0e99382c24a84480b03c7262f6Henrik Kretzschmarstatic inline unsigned long sun3scsi_dma_xfer_len(unsigned long wanted, 528811c93666c3f4a0e99382c24a84480b03c7262f6Henrik Kretzschmar struct scsi_cmnd *cmd, 529811c93666c3f4a0e99382c24a84480b03c7262f6Henrik Kretzschmar int write_flag) 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 53133659ebbae262228eef4e0fe990f393d1f0ed941Christoph Hellwig if (cmd->request->cmd_type == REQ_TYPE_FS) 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return wanted; 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int sun3scsi_dma_start(unsigned long count, unsigned char *data) 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(UDC_CHN_START, UDC_CSR); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* clean up after our dma is done */ 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int sun3scsi_dma_finish(int write_flag) 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short count; 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short fifo; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_active = 0; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 1 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // check to empty the fifo on a read 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(!write_flag) { 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tmo = 20000; /* .2 sec */ 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(1) { 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(dregs->csr & CSR_FIFO_EMPTY) 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(--tmo <= 0) { 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("sun3scsi: fifo failed to empty!\n"); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(10); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count = sun3scsi_dma_count(default_instance); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef OLDDMA 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* if we've finished a read, copy out the data we read */ 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(sun3_dma_orig_addr) { 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check for residual bytes after dma end */ 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if(count && (NCR5380_read(BUS_AND_STATUS_REG) & 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (BASR_PHASE_MATCH | BASR_ACK))) { 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("scsi%d: sun3_scsi_finish: read overrun baby... ", default_instance->host_no); 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("basr now %02x\n", NCR5380_read(BUS_AND_STATUS_REG)); 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = count; 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* copy in what we dma'd no matter what */ 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(sun3_dma_orig_addr, dmabuf, sun3_dma_orig_count); 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_addr = NULL; 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fifo = dregs->fifo_count; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last_residual = fifo; 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* empty bytes from the fifo which didn't make it */ 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if((!write_flag) && (count - fifo) == 2) { 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short data; 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *vaddr; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = dregs->fifo_data; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vaddr = (unsigned char *)dvma_btov(sun3_dma_orig_addr); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vaddr += (sun3_dma_orig_count - fifo); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vaddr[-2] = (data & 0xff00) >> 8; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vaddr[-1] = (data & 0xff); 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvma_unmap(sun3_dma_orig_addr); 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_orig_addr = NULL; 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_udc_write(UDC_RESET, UDC_CSR); 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->fifo_count = 0; 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr &= ~CSR_SEND; 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset fifo */ 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr &= ~CSR_FIFO; 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dregs->csr |= CSR_FIFO; 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sun3_dma_setup_done = NULL; 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "sun3_NCR5380.c" 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 628d0be4a7d29ad0bd3ce2209dd9e46d410b632db59Christoph Hellwigstatic struct scsi_host_template driver_template = { 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = SUN3_SCSI_NAME, 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .detect = sun3scsi_detect, 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .release = sun3scsi_release, 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .info = sun3scsi_info, 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .queuecommand = sun3scsi_queue_command, 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .eh_abort_handler = sun3scsi_abort, 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .eh_bus_reset_handler = sun3scsi_bus_reset, 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .can_queue = CAN_QUEUE, 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .this_id = 7, 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .sg_tablesize = SG_TABLESIZE, 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .cmd_per_lun = CMD_PER_LUN, 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .use_clustering = DISABLE_CLUSTERING 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "scsi_module.c" 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 647