11da177e4SLinus Torvalds /************************************************************************** 21da177e4SLinus Torvalds * Initio 9100 device driver for Linux. 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (c) 1994-1998 Initio Corporation 51da177e4SLinus Torvalds * Copyright (c) 1998 Bas Vermeulen <bvermeul@blackstar.xs4all.nl> 61da177e4SLinus Torvalds * All rights reserved. 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 91da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 101da177e4SLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 111da177e4SLinus Torvalds * any later version. 121da177e4SLinus Torvalds * 131da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 141da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 151da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 161da177e4SLinus Torvalds * GNU General Public License for more details. 171da177e4SLinus Torvalds * 181da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 191da177e4SLinus Torvalds * along with this program; see the file COPYING. If not, write to 201da177e4SLinus Torvalds * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 211da177e4SLinus Torvalds * 221da177e4SLinus Torvalds * -------------------------------------------------------------------------- 231da177e4SLinus Torvalds * 241da177e4SLinus Torvalds * Redistribution and use in source and binary forms, with or without 251da177e4SLinus Torvalds * modification, are permitted provided that the following conditions 261da177e4SLinus Torvalds * are met: 271da177e4SLinus Torvalds * 1. Redistributions of source code must retain the above copyright 281da177e4SLinus Torvalds * notice, this list of conditions, and the following disclaimer, 291da177e4SLinus Torvalds * without modification, immediately at the beginning of the file. 301da177e4SLinus Torvalds * 2. Redistributions in binary form must reproduce the above copyright 311da177e4SLinus Torvalds * notice, this list of conditions and the following disclaimer in the 321da177e4SLinus Torvalds * documentation and/or other materials provided with the distribution. 331da177e4SLinus Torvalds * 3. The name of the author may not be used to endorse or promote products 341da177e4SLinus Torvalds * derived from this software without specific prior written permission. 351da177e4SLinus Torvalds * 361da177e4SLinus Torvalds * Where this Software is combined with software released under the terms of 371da177e4SLinus Torvalds * the GNU General Public License ("GPL") and the terms of the GPL would require the 381da177e4SLinus Torvalds * combined work to also be released under the terms of the GPL, the terms 391da177e4SLinus Torvalds * and conditions of this License will apply in addition to those of the 401da177e4SLinus Torvalds * GPL with the exception of any terms or conditions of this License that 411da177e4SLinus Torvalds * conflict with, or are expressly prohibited by, the GPL. 421da177e4SLinus Torvalds * 431da177e4SLinus Torvalds * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 441da177e4SLinus Torvalds * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 451da177e4SLinus Torvalds * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 461da177e4SLinus Torvalds * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 471da177e4SLinus Torvalds * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 481da177e4SLinus Torvalds * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 491da177e4SLinus Torvalds * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 501da177e4SLinus Torvalds * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 511da177e4SLinus Torvalds * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 521da177e4SLinus Torvalds * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 531da177e4SLinus Torvalds * SUCH DAMAGE. 541da177e4SLinus Torvalds * 551da177e4SLinus Torvalds ************************************************************************* 561da177e4SLinus Torvalds * 571da177e4SLinus Torvalds * DESCRIPTION: 581da177e4SLinus Torvalds * 591da177e4SLinus Torvalds * This is the Linux low-level SCSI driver for Initio INI-9X00U/UW SCSI host 601da177e4SLinus Torvalds * adapters 611da177e4SLinus Torvalds * 621da177e4SLinus Torvalds * 08/06/97 hc - v1.01h 631da177e4SLinus Torvalds * - Support inic-940 and inic-935 641da177e4SLinus Torvalds * 09/26/97 hc - v1.01i 651da177e4SLinus Torvalds * - Make correction from J.W. Schultz suggestion 661da177e4SLinus Torvalds * 10/13/97 hc - Support reset function 671da177e4SLinus Torvalds * 10/21/97 hc - v1.01j 681da177e4SLinus Torvalds * - Support 32 LUN (SCSI 3) 691da177e4SLinus Torvalds * 01/14/98 hc - v1.01k 701da177e4SLinus Torvalds * - Fix memory allocation problem 711da177e4SLinus Torvalds * 03/04/98 hc - v1.01l 721da177e4SLinus Torvalds * - Fix tape rewind which will hang the system problem 731da177e4SLinus Torvalds * - Set can_queue to tul_num_scb 741da177e4SLinus Torvalds * 06/25/98 hc - v1.01m 751da177e4SLinus Torvalds * - Get it work for kernel version >= 2.1.75 761da177e4SLinus Torvalds * - Dynamic assign SCSI bus reset holding time in init_tulip() 771da177e4SLinus Torvalds * 07/02/98 hc - v1.01n 781da177e4SLinus Torvalds * - Support 0002134A 791da177e4SLinus Torvalds * 08/07/98 hc - v1.01o 801da177e4SLinus Torvalds * - Change the tul_abort_srb routine to use scsi_done. <01> 811da177e4SLinus Torvalds * 09/07/98 hl - v1.02 821da177e4SLinus Torvalds * - Change the INI9100U define and proc_dir_entry to 831da177e4SLinus Torvalds * reflect the newer Kernel 2.1.118, but the v1.o1o 841da177e4SLinus Torvalds * should work with Kernel 2.1.118. 851da177e4SLinus Torvalds * 09/20/98 wh - v1.02a 861da177e4SLinus Torvalds * - Support Abort command. 871da177e4SLinus Torvalds * - Handle reset routine. 881da177e4SLinus Torvalds * 09/21/98 hl - v1.03 891da177e4SLinus Torvalds * - remove comments. 901da177e4SLinus Torvalds * 12/09/98 bv - v1.03a 911da177e4SLinus Torvalds * - Removed unused code 921da177e4SLinus Torvalds * 12/13/98 bv - v1.03b 931da177e4SLinus Torvalds * - Remove cli() locking for kernels >= 2.1.95. This uses 941da177e4SLinus Torvalds * spinlocks to serialize access to the pSRB_head and 951da177e4SLinus Torvalds * pSRB_tail members of the HCS structure. 961da177e4SLinus Torvalds * 09/01/99 bv - v1.03d 971da177e4SLinus Torvalds * - Fixed a deadlock problem in SMP. 981da177e4SLinus Torvalds * 21/01/99 bv - v1.03e 991da177e4SLinus Torvalds * - Add support for the Domex 3192U PCI SCSI 1001da177e4SLinus Torvalds * This is a slightly modified patch by 1011da177e4SLinus Torvalds * Brian Macy <bmacy@sunshinecomputing.com> 1021da177e4SLinus Torvalds * 22/02/99 bv - v1.03f 1031da177e4SLinus Torvalds * - Didn't detect the INIC-950 in 2.0.x correctly. 1041da177e4SLinus Torvalds * Now fixed. 1051da177e4SLinus Torvalds * 05/07/99 bv - v1.03g 1061da177e4SLinus Torvalds * - Changed the assumption that HZ = 100 1071da177e4SLinus Torvalds * 10/17/03 mc - v1.04 1081da177e4SLinus Torvalds * - added new DMA API support 1091da177e4SLinus Torvalds * 06/01/04 jmd - v1.04a 1101da177e4SLinus Torvalds * - Re-add reset_bus support 1111da177e4SLinus Torvalds **************************************************************************/ 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds #include <linux/module.h> 1141da177e4SLinus Torvalds #include <linux/errno.h> 1151da177e4SLinus Torvalds #include <linux/delay.h> 1161da177e4SLinus Torvalds #include <linux/pci.h> 1171da177e4SLinus Torvalds #include <linux/init.h> 1181da177e4SLinus Torvalds #include <linux/blkdev.h> 1191da177e4SLinus Torvalds #include <linux/spinlock.h> 1201da177e4SLinus Torvalds #include <linux/stat.h> 1211da177e4SLinus Torvalds #include <linux/config.h> 1221da177e4SLinus Torvalds #include <linux/kernel.h> 1231da177e4SLinus Torvalds #include <linux/proc_fs.h> 1241da177e4SLinus Torvalds #include <linux/string.h> 1251da177e4SLinus Torvalds #include <linux/interrupt.h> 1261da177e4SLinus Torvalds #include <linux/ioport.h> 1271da177e4SLinus Torvalds #include <linux/sched.h> 1281da177e4SLinus Torvalds #include <linux/slab.h> 1291da177e4SLinus Torvalds #include <linux/jiffies.h> 130910638aeSMatthias Gehre #include <linux/dma-mapping.h> 1311da177e4SLinus Torvalds #include <asm/io.h> 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds #include <scsi/scsi.h> 1341da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h> 1351da177e4SLinus Torvalds #include <scsi/scsi_device.h> 1361da177e4SLinus Torvalds #include <scsi/scsi_host.h> 1371da177e4SLinus Torvalds #include <scsi/scsi_tcq.h> 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds #include "initio.h" 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvalds #define SENSE_SIZE 14 1421da177e4SLinus Torvalds 1431da177e4SLinus Torvalds #define i91u_MAXQUEUE 2 1441da177e4SLinus Torvalds #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.04a" 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds #define INI_VENDOR_ID 0x1101 /* Initio's PCI vendor ID */ 1471da177e4SLinus Torvalds #define DMX_VENDOR_ID 0x134a /* Domex's PCI vendor ID */ 1481da177e4SLinus Torvalds #define I950_DEVICE_ID 0x9500 /* Initio's inic-950 product ID */ 1491da177e4SLinus Torvalds #define I940_DEVICE_ID 0x9400 /* Initio's inic-940 product ID */ 1501da177e4SLinus Torvalds #define I935_DEVICE_ID 0x9401 /* Initio's inic-935 product ID */ 1511da177e4SLinus Torvalds #define I920_DEVICE_ID 0x0002 /* Initio's other product ID */ 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds #ifdef DEBUG_i91u 1541da177e4SLinus Torvalds static unsigned int i91u_debug = DEBUG_DEFAULT; 1551da177e4SLinus Torvalds #endif 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds #define TULSZ(sz) (sizeof(sz) / sizeof(sz[0])) 1581da177e4SLinus Torvalds #define TUL_RDWORD(x,y) (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) )) 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds typedef struct PCI_ID_Struc { 1611da177e4SLinus Torvalds unsigned short vendor_id; 1621da177e4SLinus Torvalds unsigned short device_id; 1631da177e4SLinus Torvalds } PCI_ID; 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds static int tul_num_ch = 4; /* Maximum 4 adapters */ 1661da177e4SLinus Torvalds static int tul_num_scb; 1671da177e4SLinus Torvalds static int tul_tag_enable = 1; 1681da177e4SLinus Torvalds static SCB *tul_scb; 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds #ifdef DEBUG_i91u 1711da177e4SLinus Torvalds static int setup_debug = 0; 1721da177e4SLinus Torvalds #endif 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds static void i91uSCBPost(BYTE * pHcb, BYTE * pScb); 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds static const PCI_ID i91u_pci_devices[] = { 1771da177e4SLinus Torvalds { INI_VENDOR_ID, I950_DEVICE_ID }, 1781da177e4SLinus Torvalds { INI_VENDOR_ID, I940_DEVICE_ID }, 1791da177e4SLinus Torvalds { INI_VENDOR_ID, I935_DEVICE_ID }, 1801da177e4SLinus Torvalds { INI_VENDOR_ID, I920_DEVICE_ID }, 1811da177e4SLinus Torvalds { DMX_VENDOR_ID, I920_DEVICE_ID }, 1821da177e4SLinus Torvalds }; 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds #define DEBUG_INTERRUPT 0 1851da177e4SLinus Torvalds #define DEBUG_QUEUE 0 1861da177e4SLinus Torvalds #define DEBUG_STATE 0 1871da177e4SLinus Torvalds #define INT_DISC 0 1881da177e4SLinus Torvalds 1891da177e4SLinus Torvalds /*--- external functions --*/ 1901da177e4SLinus Torvalds static void tul_se2_wait(void); 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvalds /*--- forward refrence ---*/ 1931da177e4SLinus Torvalds static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun); 1941da177e4SLinus Torvalds static SCB *tul_find_done_scb(HCS * pCurHcb); 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds static int tulip_main(HCS * pCurHcb); 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds static int tul_next_state(HCS * pCurHcb); 1991da177e4SLinus Torvalds static int tul_state_1(HCS * pCurHcb); 2001da177e4SLinus Torvalds static int tul_state_2(HCS * pCurHcb); 2011da177e4SLinus Torvalds static int tul_state_3(HCS * pCurHcb); 2021da177e4SLinus Torvalds static int tul_state_4(HCS * pCurHcb); 2031da177e4SLinus Torvalds static int tul_state_5(HCS * pCurHcb); 2041da177e4SLinus Torvalds static int tul_state_6(HCS * pCurHcb); 2051da177e4SLinus Torvalds static int tul_state_7(HCS * pCurHcb); 2061da177e4SLinus Torvalds static int tul_xfer_data_in(HCS * pCurHcb); 2071da177e4SLinus Torvalds static int tul_xfer_data_out(HCS * pCurHcb); 2081da177e4SLinus Torvalds static int tul_xpad_in(HCS * pCurHcb); 2091da177e4SLinus Torvalds static int tul_xpad_out(HCS * pCurHcb); 2101da177e4SLinus Torvalds static int tul_status_msg(HCS * pCurHcb); 2111da177e4SLinus Torvalds 2121da177e4SLinus Torvalds static int tul_msgin(HCS * pCurHcb); 2131da177e4SLinus Torvalds static int tul_msgin_sync(HCS * pCurHcb); 2141da177e4SLinus Torvalds static int tul_msgin_accept(HCS * pCurHcb); 2151da177e4SLinus Torvalds static int tul_msgout_reject(HCS * pCurHcb); 2161da177e4SLinus Torvalds static int tul_msgin_extend(HCS * pCurHcb); 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds static int tul_msgout_ide(HCS * pCurHcb); 2191da177e4SLinus Torvalds static int tul_msgout_abort_targ(HCS * pCurHcb); 2201da177e4SLinus Torvalds static int tul_msgout_abort_tag(HCS * pCurHcb); 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds static int tul_bus_device_reset(HCS * pCurHcb); 2231da177e4SLinus Torvalds static void tul_select_atn(HCS * pCurHcb, SCB * pCurScb); 2241da177e4SLinus Torvalds static void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb); 2251da177e4SLinus Torvalds static void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb); 2261da177e4SLinus Torvalds static int int_tul_busfree(HCS * pCurHcb); 227a2ba192cSAdrian Bunk static int int_tul_scsi_rst(HCS * pCurHcb); 2281da177e4SLinus Torvalds static int int_tul_bad_seq(HCS * pCurHcb); 2291da177e4SLinus Torvalds static int int_tul_resel(HCS * pCurHcb); 2301da177e4SLinus Torvalds static int tul_sync_done(HCS * pCurHcb); 2311da177e4SLinus Torvalds static int wdtr_done(HCS * pCurHcb); 2321da177e4SLinus Torvalds static int wait_tulip(HCS * pCurHcb); 2331da177e4SLinus Torvalds static int tul_wait_done_disc(HCS * pCurHcb); 2341da177e4SLinus Torvalds static int tul_wait_disc(HCS * pCurHcb); 2351da177e4SLinus Torvalds static void tulip_scsi(HCS * pCurHcb); 2361da177e4SLinus Torvalds static int tul_post_scsi_rst(HCS * pCurHcb); 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds static void tul_se2_ew_en(WORD CurBase); 2391da177e4SLinus Torvalds static void tul_se2_ew_ds(WORD CurBase); 2401da177e4SLinus Torvalds static int tul_se2_rd_all(WORD CurBase); 2411da177e4SLinus Torvalds static void tul_se2_update_all(WORD CurBase); /* setup default pattern */ 2421da177e4SLinus Torvalds static void tul_read_eeprom(WORD CurBase); 2431da177e4SLinus Torvalds 2441da177e4SLinus Torvalds /* ---- INTERNAL VARIABLES ---- */ 245a2ba192cSAdrian Bunk static HCS tul_hcs[MAX_SUPPORTED_ADAPTERS]; 2461da177e4SLinus Torvalds static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS]; 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvalds /*NVRAM nvram, *nvramp = &nvram; */ 2491da177e4SLinus Torvalds static NVRAM i91unvram; 2501da177e4SLinus Torvalds static NVRAM *i91unvramp; 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvalds static UCHAR i91udftNvRam[64] = 2551da177e4SLinus Torvalds { 2561da177e4SLinus Torvalds /*----------- header -----------*/ 2571da177e4SLinus Torvalds 0x25, 0xc9, /* Signature */ 2581da177e4SLinus Torvalds 0x40, /* Size */ 2591da177e4SLinus Torvalds 0x01, /* Revision */ 2601da177e4SLinus Torvalds /* -- Host Adapter Structure -- */ 2611da177e4SLinus Torvalds 0x95, /* ModelByte0 */ 2621da177e4SLinus Torvalds 0x00, /* ModelByte1 */ 2631da177e4SLinus Torvalds 0x00, /* ModelInfo */ 2641da177e4SLinus Torvalds 0x01, /* NumOfCh */ 2651da177e4SLinus Torvalds NBC1_DEFAULT, /* BIOSConfig1 */ 2661da177e4SLinus Torvalds 0, /* BIOSConfig2 */ 2671da177e4SLinus Torvalds 0, /* HAConfig1 */ 2681da177e4SLinus Torvalds 0, /* HAConfig2 */ 2691da177e4SLinus Torvalds /* SCSI channel 0 and target Structure */ 2701da177e4SLinus Torvalds 7, /* SCSIid */ 2711da177e4SLinus Torvalds NCC1_DEFAULT, /* SCSIconfig1 */ 2721da177e4SLinus Torvalds 0, /* SCSIconfig2 */ 2731da177e4SLinus Torvalds 0x10, /* NumSCSItarget */ 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2761da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2771da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2781da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2791da177e4SLinus Torvalds 2801da177e4SLinus Torvalds /* SCSI channel 1 and target Structure */ 2811da177e4SLinus Torvalds 7, /* SCSIid */ 2821da177e4SLinus Torvalds NCC1_DEFAULT, /* SCSIconfig1 */ 2831da177e4SLinus Torvalds 0, /* SCSIconfig2 */ 2841da177e4SLinus Torvalds 0x10, /* NumSCSItarget */ 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2871da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2881da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2891da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 2901da177e4SLinus Torvalds 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2911da177e4SLinus Torvalds 0, 0}; /* - CheckSum - */ 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds static UCHAR tul_rate_tbl[8] = /* fast 20 */ 2951da177e4SLinus Torvalds { 2961da177e4SLinus Torvalds /* nanosecond devide by 4 */ 2971da177e4SLinus Torvalds 12, /* 50ns, 20M */ 2981da177e4SLinus Torvalds 18, /* 75ns, 13.3M */ 2991da177e4SLinus Torvalds 25, /* 100ns, 10M */ 3001da177e4SLinus Torvalds 31, /* 125ns, 8M */ 3011da177e4SLinus Torvalds 37, /* 150ns, 6.6M */ 3021da177e4SLinus Torvalds 43, /* 175ns, 5.7M */ 3031da177e4SLinus Torvalds 50, /* 200ns, 5M */ 3041da177e4SLinus Torvalds 62 /* 250ns, 4M */ 3051da177e4SLinus Torvalds }; 3061da177e4SLinus Torvalds 3071da177e4SLinus Torvalds static void tul_do_pause(unsigned amount) 3081da177e4SLinus Torvalds { /* Pause for amount jiffies */ 3091da177e4SLinus Torvalds unsigned long the_time = jiffies + amount; 3101da177e4SLinus Torvalds 3111da177e4SLinus Torvalds while (time_before_eq(jiffies, the_time)); 3121da177e4SLinus Torvalds } 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds /*-- forward reference --*/ 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds /******************************************************************* 3171da177e4SLinus Torvalds Use memeory refresh time ~ 15us * 2 3181da177e4SLinus Torvalds ********************************************************************/ 3191da177e4SLinus Torvalds void tul_se2_wait(void) 3201da177e4SLinus Torvalds { 3211da177e4SLinus Torvalds #if 1 3221da177e4SLinus Torvalds udelay(30); 3231da177e4SLinus Torvalds #else 3241da177e4SLinus Torvalds UCHAR readByte; 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3271da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) { 3281da177e4SLinus Torvalds for (;;) { 3291da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3301da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) 3311da177e4SLinus Torvalds break; 3321da177e4SLinus Torvalds } 3331da177e4SLinus Torvalds for (;;) { 3341da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3351da177e4SLinus Torvalds if ((readByte & 0x10) != 0x10) 3361da177e4SLinus Torvalds break; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds } else { 3391da177e4SLinus Torvalds for (;;) { 3401da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3411da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) 3421da177e4SLinus Torvalds break; 3431da177e4SLinus Torvalds } 3441da177e4SLinus Torvalds for (;;) { 3451da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3461da177e4SLinus Torvalds if ((readByte & 0x10) != 0x10) 3471da177e4SLinus Torvalds break; 3481da177e4SLinus Torvalds } 3491da177e4SLinus Torvalds } 3501da177e4SLinus Torvalds #endif 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds /****************************************************************** 3551da177e4SLinus Torvalds Input: instruction for Serial E2PROM 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds EX: se2_rd(0 call se2_instr() to send address and read command 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds StartBit OP_Code Address Data 3601da177e4SLinus Torvalds --------- -------- ------------------ ------- 3611da177e4SLinus Torvalds 1 1 , 0 A5,A4,A3,A2,A1,A0 D15-D0 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds +----------------------------------------------------- 3641da177e4SLinus Torvalds | 3651da177e4SLinus Torvalds CS -----+ 3661da177e4SLinus Torvalds +--+ +--+ +--+ +--+ +--+ 3671da177e4SLinus Torvalds ^ | ^ | ^ | ^ | ^ | 3681da177e4SLinus Torvalds | | | | | | | | | | 3691da177e4SLinus Torvalds CLK -------+ +--+ +--+ +--+ +--+ +-- 3701da177e4SLinus Torvalds (leading edge trigger) 3711da177e4SLinus Torvalds 3721da177e4SLinus Torvalds +--1-----1--+ 3731da177e4SLinus Torvalds | SB OP | OP A5 A4 3741da177e4SLinus Torvalds DI ----+ +--0------------------ 3751da177e4SLinus Torvalds (address and cmd sent to nvram) 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds -------------------------------------------+ 3781da177e4SLinus Torvalds | 3791da177e4SLinus Torvalds DO +--- 3801da177e4SLinus Torvalds (data sent from nvram) 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds ******************************************************************/ 384a2ba192cSAdrian Bunk static void tul_se2_instr(WORD CurBase, UCHAR instr) 3851da177e4SLinus Torvalds { 3861da177e4SLinus Torvalds int i; 3871da177e4SLinus Torvalds UCHAR b; 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* cs+start bit */ 3901da177e4SLinus Torvalds tul_se2_wait(); 3911da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK | SE2DO); /* +CLK */ 3921da177e4SLinus Torvalds tul_se2_wait(); 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds for (i = 0; i < 8; i++) { 3951da177e4SLinus Torvalds if (instr & 0x80) 3961da177e4SLinus Torvalds b = SE2CS | SE2DO; /* -CLK+dataBit */ 3971da177e4SLinus Torvalds else 3981da177e4SLinus Torvalds b = SE2CS; /* -CLK */ 3991da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, b); 4001da177e4SLinus Torvalds tul_se2_wait(); 4011da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, b | SE2CLK); /* +CLK */ 4021da177e4SLinus Torvalds tul_se2_wait(); 4031da177e4SLinus Torvalds instr <<= 1; 4041da177e4SLinus Torvalds } 4051da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4061da177e4SLinus Torvalds tul_se2_wait(); 4071da177e4SLinus Torvalds return; 4081da177e4SLinus Torvalds } 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds 4111da177e4SLinus Torvalds /****************************************************************** 4121da177e4SLinus Torvalds Function name : tul_se2_ew_en 4131da177e4SLinus Torvalds Description : Enable erase/write state of serial EEPROM 4141da177e4SLinus Torvalds ******************************************************************/ 4151da177e4SLinus Torvalds void tul_se2_ew_en(WORD CurBase) 4161da177e4SLinus Torvalds { 4171da177e4SLinus Torvalds tul_se2_instr(CurBase, 0x30); /* EWEN */ 4181da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4191da177e4SLinus Torvalds tul_se2_wait(); 4201da177e4SLinus Torvalds return; 4211da177e4SLinus Torvalds } 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvalds /************************************************************************ 4251da177e4SLinus Torvalds Disable erase/write state of serial EEPROM 4261da177e4SLinus Torvalds *************************************************************************/ 4271da177e4SLinus Torvalds void tul_se2_ew_ds(WORD CurBase) 4281da177e4SLinus Torvalds { 4291da177e4SLinus Torvalds tul_se2_instr(CurBase, 0); /* EWDS */ 4301da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4311da177e4SLinus Torvalds tul_se2_wait(); 4321da177e4SLinus Torvalds return; 4331da177e4SLinus Torvalds } 4341da177e4SLinus Torvalds 4351da177e4SLinus Torvalds 4361da177e4SLinus Torvalds /****************************************************************** 4371da177e4SLinus Torvalds Input :address of Serial E2PROM 4381da177e4SLinus Torvalds Output :value stored in Serial E2PROM 4391da177e4SLinus Torvalds *******************************************************************/ 440a2ba192cSAdrian Bunk static USHORT tul_se2_rd(WORD CurBase, ULONG adr) 4411da177e4SLinus Torvalds { 4421da177e4SLinus Torvalds UCHAR instr, readByte; 4431da177e4SLinus Torvalds USHORT readWord; 4441da177e4SLinus Torvalds int i; 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvalds instr = (UCHAR) (adr | 0x80); 4471da177e4SLinus Torvalds tul_se2_instr(CurBase, instr); /* READ INSTR */ 4481da177e4SLinus Torvalds readWord = 0; 4491da177e4SLinus Torvalds 4501da177e4SLinus Torvalds for (i = 15; i >= 0; i--) { 4511da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4521da177e4SLinus Torvalds tul_se2_wait(); 4531da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4541da177e4SLinus Torvalds 4551da177e4SLinus Torvalds /* sample data after the following edge of clock */ 4561da177e4SLinus Torvalds readByte = TUL_RD(CurBase, TUL_NVRAM); 4571da177e4SLinus Torvalds readByte &= SE2DI; 4581da177e4SLinus Torvalds readWord += (readByte << i); 4591da177e4SLinus Torvalds tul_se2_wait(); /* 6/20/95 */ 4601da177e4SLinus Torvalds } 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* no chip select */ 4631da177e4SLinus Torvalds tul_se2_wait(); 4641da177e4SLinus Torvalds return readWord; 4651da177e4SLinus Torvalds } 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds /****************************************************************** 4691da177e4SLinus Torvalds Input: new value in Serial E2PROM, address of Serial E2PROM 4701da177e4SLinus Torvalds *******************************************************************/ 471a2ba192cSAdrian Bunk static void tul_se2_wr(WORD CurBase, UCHAR adr, USHORT writeWord) 4721da177e4SLinus Torvalds { 4731da177e4SLinus Torvalds UCHAR readByte; 4741da177e4SLinus Torvalds UCHAR instr; 4751da177e4SLinus Torvalds int i; 4761da177e4SLinus Torvalds 4771da177e4SLinus Torvalds instr = (UCHAR) (adr | 0x40); 4781da177e4SLinus Torvalds tul_se2_instr(CurBase, instr); /* WRITE INSTR */ 4791da177e4SLinus Torvalds for (i = 15; i >= 0; i--) { 4801da177e4SLinus Torvalds if (writeWord & 0x8000) 4811da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* -CLK+dataBit 1 */ 4821da177e4SLinus Torvalds else 4831da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK+dataBit 0 */ 4841da177e4SLinus Torvalds tul_se2_wait(); 4851da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4861da177e4SLinus Torvalds tul_se2_wait(); 4871da177e4SLinus Torvalds writeWord <<= 1; 4881da177e4SLinus Torvalds } 4891da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4901da177e4SLinus Torvalds tul_se2_wait(); 4911da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4921da177e4SLinus Torvalds tul_se2_wait(); 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* +CS */ 4951da177e4SLinus Torvalds tul_se2_wait(); 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds for (;;) { 4981da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4991da177e4SLinus Torvalds tul_se2_wait(); 5001da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 5011da177e4SLinus Torvalds tul_se2_wait(); 5021da177e4SLinus Torvalds if ((readByte = TUL_RD(CurBase, TUL_NVRAM)) & SE2DI) 5031da177e4SLinus Torvalds break; /* write complete */ 5041da177e4SLinus Torvalds } 5051da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 5061da177e4SLinus Torvalds return; 5071da177e4SLinus Torvalds } 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds /*********************************************************************** 5111da177e4SLinus Torvalds Read SCSI H/A configuration parameters from serial EEPROM 5121da177e4SLinus Torvalds ************************************************************************/ 5131da177e4SLinus Torvalds int tul_se2_rd_all(WORD CurBase) 5141da177e4SLinus Torvalds { 5151da177e4SLinus Torvalds int i; 5161da177e4SLinus Torvalds ULONG chksum = 0; 5171da177e4SLinus Torvalds USHORT *np; 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds i91unvramp = &i91unvram; 5201da177e4SLinus Torvalds np = (USHORT *) i91unvramp; 5211da177e4SLinus Torvalds for (i = 0; i < 32; i++) { 5221da177e4SLinus Torvalds *np++ = tul_se2_rd(CurBase, i); 5231da177e4SLinus Torvalds } 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds /*--------------------Is signature "ini" ok ? ----------------*/ 5261da177e4SLinus Torvalds if (i91unvramp->NVM_Signature != INI_SIGNATURE) 5271da177e4SLinus Torvalds return -1; 5281da177e4SLinus Torvalds /*---------------------- Is ckecksum ok ? ----------------------*/ 5291da177e4SLinus Torvalds np = (USHORT *) i91unvramp; 5301da177e4SLinus Torvalds for (i = 0; i < 31; i++) 5311da177e4SLinus Torvalds chksum += *np++; 5321da177e4SLinus Torvalds if (i91unvramp->NVM_CheckSum != (USHORT) chksum) 5331da177e4SLinus Torvalds return -1; 5341da177e4SLinus Torvalds return 1; 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds /*********************************************************************** 5391da177e4SLinus Torvalds Update SCSI H/A configuration parameters from serial EEPROM 5401da177e4SLinus Torvalds ************************************************************************/ 5411da177e4SLinus Torvalds void tul_se2_update_all(WORD CurBase) 5421da177e4SLinus Torvalds { /* setup default pattern */ 5431da177e4SLinus Torvalds int i; 5441da177e4SLinus Torvalds ULONG chksum = 0; 5451da177e4SLinus Torvalds USHORT *np, *np1; 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds i91unvramp = &i91unvram; 5481da177e4SLinus Torvalds /* Calculate checksum first */ 5491da177e4SLinus Torvalds np = (USHORT *) i91udftNvRam; 5501da177e4SLinus Torvalds for (i = 0; i < 31; i++) 5511da177e4SLinus Torvalds chksum += *np++; 5521da177e4SLinus Torvalds *np = (USHORT) chksum; 5531da177e4SLinus Torvalds tul_se2_ew_en(CurBase); /* Enable write */ 5541da177e4SLinus Torvalds 5551da177e4SLinus Torvalds np = (USHORT *) i91udftNvRam; 5561da177e4SLinus Torvalds np1 = (USHORT *) i91unvramp; 5571da177e4SLinus Torvalds for (i = 0; i < 32; i++, np++, np1++) { 5581da177e4SLinus Torvalds if (*np != *np1) { 5591da177e4SLinus Torvalds tul_se2_wr(CurBase, i, *np); 5601da177e4SLinus Torvalds } 5611da177e4SLinus Torvalds } 5621da177e4SLinus Torvalds 5631da177e4SLinus Torvalds tul_se2_ew_ds(CurBase); /* Disable write */ 5641da177e4SLinus Torvalds return; 5651da177e4SLinus Torvalds } 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds /************************************************************************* 5681da177e4SLinus Torvalds Function name : read_eeprom 5691da177e4SLinus Torvalds **************************************************************************/ 5701da177e4SLinus Torvalds void tul_read_eeprom(WORD CurBase) 5711da177e4SLinus Torvalds { 5721da177e4SLinus Torvalds UCHAR gctrl; 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds i91unvramp = &i91unvram; 5751da177e4SLinus Torvalds /*------Enable EEProm programming ---*/ 5761da177e4SLinus Torvalds gctrl = TUL_RD(CurBase, TUL_GCTRL); 5771da177e4SLinus Torvalds TUL_WR(CurBase + TUL_GCTRL, gctrl | TUL_GCTRL_EEPROM_BIT); 5781da177e4SLinus Torvalds if (tul_se2_rd_all(CurBase) != 1) { 5791da177e4SLinus Torvalds tul_se2_update_all(CurBase); /* setup default pattern */ 5801da177e4SLinus Torvalds tul_se2_rd_all(CurBase); /* load again */ 5811da177e4SLinus Torvalds } 5821da177e4SLinus Torvalds /*------ Disable EEProm programming ---*/ 5831da177e4SLinus Torvalds gctrl = TUL_RD(CurBase, TUL_GCTRL); 5841da177e4SLinus Torvalds TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT); 5851da177e4SLinus Torvalds } /* read_eeprom */ 5861da177e4SLinus Torvalds 587a2ba192cSAdrian Bunk static int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt, 5881da177e4SLinus Torvalds BYTE bBus, BYTE bDevice) 5891da177e4SLinus Torvalds { 5901da177e4SLinus Torvalds int i, j; 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { 5931da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BIOS < wBIOS) 5941da177e4SLinus Torvalds continue; 5951da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BIOS == wBIOS) { 5961da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BASE == wBASE) { 5971da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_Bus != 0xFF) 5981da177e4SLinus Torvalds return 1; 5991da177e4SLinus Torvalds } else if (i91u_adpt[i].ADPT_BASE < wBASE) 6001da177e4SLinus Torvalds continue; 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) { 6031da177e4SLinus Torvalds i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE; 6041da177e4SLinus Torvalds i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR; 6051da177e4SLinus Torvalds i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS; 6061da177e4SLinus Torvalds i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus; 6071da177e4SLinus Torvalds i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device; 6081da177e4SLinus Torvalds } 6091da177e4SLinus Torvalds i91u_adpt[i].ADPT_BASE = wBASE; 6101da177e4SLinus Torvalds i91u_adpt[i].ADPT_INTR = bInterrupt; 6111da177e4SLinus Torvalds i91u_adpt[i].ADPT_BIOS = wBIOS; 6121da177e4SLinus Torvalds i91u_adpt[i].ADPT_Bus = bBus; 6131da177e4SLinus Torvalds i91u_adpt[i].ADPT_Device = bDevice; 6141da177e4SLinus Torvalds return 0; 6151da177e4SLinus Torvalds } 6161da177e4SLinus Torvalds return 1; 6171da177e4SLinus Torvalds } 6181da177e4SLinus Torvalds 619a2ba192cSAdrian Bunk static void init_i91uAdapter_table(void) 6201da177e4SLinus Torvalds { 6211da177e4SLinus Torvalds int i; 6221da177e4SLinus Torvalds 6231da177e4SLinus Torvalds for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { /* Initialize adapter structure */ 6241da177e4SLinus Torvalds i91u_adpt[i].ADPT_BIOS = 0xffff; 6251da177e4SLinus Torvalds i91u_adpt[i].ADPT_BASE = 0xffff; 6261da177e4SLinus Torvalds i91u_adpt[i].ADPT_INTR = 0xff; 6271da177e4SLinus Torvalds i91u_adpt[i].ADPT_Bus = 0xff; 6281da177e4SLinus Torvalds i91u_adpt[i].ADPT_Device = 0xff; 6291da177e4SLinus Torvalds } 6301da177e4SLinus Torvalds return; 6311da177e4SLinus Torvalds } 6321da177e4SLinus Torvalds 633a2ba192cSAdrian Bunk static void tul_stop_bm(HCS * pCurHcb) 6341da177e4SLinus Torvalds { 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ 6371da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); 6381da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 6391da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); 6401da177e4SLinus Torvalds } 6411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvalds /***************************************************************************/ 645a2ba192cSAdrian Bunk static void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx) 6461da177e4SLinus Torvalds { 6471da177e4SLinus Torvalds pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE; /* Supply base address */ 6481da177e4SLinus Torvalds pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS; /* Supply BIOS address */ 6491da177e4SLinus Torvalds pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR; /* Supply interrupt line */ 6501da177e4SLinus Torvalds return; 6511da177e4SLinus Torvalds } 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds /***************************************************************************/ 654a2ba192cSAdrian Bunk static int tul_reset_scsi(HCS * pCurHcb, int seconds) 6551da177e4SLinus Torvalds { 6561da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS); 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt)) & TSS_SCSIRST_INT)); 6591da177e4SLinus Torvalds /* reset tulip chip */ 6601da177e4SLinus Torvalds 6611da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 0); 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds /* Stall for a while, wait for target's firmware ready,make it 2 sec ! */ 6641da177e4SLinus Torvalds /* SONY 5200 tape drive won't work if only stall for 1 sec */ 6651da177e4SLinus Torvalds tul_do_pause(seconds * HZ); 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvalds return (SCSI_RESET_SUCCESS); 6701da177e4SLinus Torvalds } 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvalds /***************************************************************************/ 673a2ba192cSAdrian Bunk static int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb, 674a2ba192cSAdrian Bunk BYTE * pbBiosAdr, int seconds) 6751da177e4SLinus Torvalds { 6761da177e4SLinus Torvalds int i; 6771da177e4SLinus Torvalds BYTE *pwFlags; 6781da177e4SLinus Torvalds BYTE *pbHeads; 6791da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb = NULL; 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvalds pCurHcb->HCS_NumScbs = tul_num_scb; 6821da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 6831da177e4SLinus Torvalds spin_lock_init(&pCurHcb->HCS_SemaphLock); 6841da177e4SLinus Torvalds pCurHcb->HCS_JSStatus0 = 0; 6851da177e4SLinus Torvalds pCurHcb->HCS_Scb = scbp; 6861da177e4SLinus Torvalds pCurHcb->HCS_NxtPend = scbp; 6871da177e4SLinus Torvalds pCurHcb->HCS_NxtAvail = scbp; 6881da177e4SLinus Torvalds for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) { 6891da177e4SLinus Torvalds pTmpScb->SCB_TagId = i; 6901da177e4SLinus Torvalds if (i != 0) 6911da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb; 6921da177e4SLinus Torvalds pPrevScb = pTmpScb; 6931da177e4SLinus Torvalds } 6941da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = NULL; 6951da177e4SLinus Torvalds pCurHcb->HCS_ScbEnd = pTmpScb; 6961da177e4SLinus Torvalds pCurHcb->HCS_FirstAvail = scbp; 6971da177e4SLinus Torvalds pCurHcb->HCS_LastAvail = pPrevScb; 6981da177e4SLinus Torvalds spin_lock_init(&pCurHcb->HCS_AvailLock); 6991da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = NULL; 7001da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 7011da177e4SLinus Torvalds pCurHcb->HCS_FirstBusy = NULL; 7021da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 7031da177e4SLinus Torvalds pCurHcb->HCS_FirstDone = NULL; 7041da177e4SLinus Torvalds pCurHcb->HCS_LastDone = NULL; 7051da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 7061da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 7071da177e4SLinus Torvalds 7081da177e4SLinus Torvalds tul_read_eeprom(pCurHcb->HCS_Base); 7091da177e4SLinus Torvalds /*---------- get H/A configuration -------------*/ 7101da177e4SLinus Torvalds if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8) 7111da177e4SLinus Torvalds pCurHcb->HCS_MaxTar = 8; 7121da177e4SLinus Torvalds else 7131da177e4SLinus Torvalds pCurHcb->HCS_MaxTar = 16; 7141da177e4SLinus Torvalds 7151da177e4SLinus Torvalds pCurHcb->HCS_Config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; 7161da177e4SLinus Torvalds 7171da177e4SLinus Torvalds pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; 7181da177e4SLinus Torvalds pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID); 7191da177e4SLinus Torvalds 72044456d37SOlaf Hering #ifdef CHK_PARITY 7211da177e4SLinus Torvalds /* Enable parity error response */ 7221da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40); 7231da177e4SLinus Torvalds #endif 7241da177e4SLinus Torvalds 7251da177e4SLinus Torvalds /* Mask all the interrupt */ 7261da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 7271da177e4SLinus Torvalds 7281da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 7291da177e4SLinus Torvalds /* --- Initialize the tulip --- */ 7301da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_CHIP); 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds /* program HBA's SCSI ID */ 7331da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, pCurHcb->HCS_SCSI_ID << 4); 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds /* Enable Initiator Mode ,phase latch,alternate sync period mode, 7361da177e4SLinus Torvalds disable SCSI reset */ 7371da177e4SLinus Torvalds if (pCurHcb->HCS_Config & HCC_EN_PAR) 7381da177e4SLinus Torvalds pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); 7391da177e4SLinus Torvalds else 7401da177e4SLinus Torvalds pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT); 7411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_SConf1); 7421da177e4SLinus Torvalds 7431da177e4SLinus Torvalds /* Enable HW reselect */ 7441da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, 0); 7471da177e4SLinus Torvalds 7481da177e4SLinus Torvalds /* selection time out = 250 ms */ 7491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_STimeOut, 153); 7501da177e4SLinus Torvalds 7511da177e4SLinus Torvalds /*--------- Enable SCSI terminator -----*/ 7521da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, (pCurHcb->HCS_Config & (HCC_ACT_TERM1 | HCC_ACT_TERM2))); 7531da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_GCTRL1, 7541da177e4SLinus Torvalds ((pCurHcb->HCS_Config & HCC_AUTO_TERM) >> 4) | (TUL_RD(pCurHcb->HCS_Base, TUL_GCTRL1) & 0xFE)); 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds for (i = 0, 7571da177e4SLinus Torvalds pwFlags = & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config), 7581da177e4SLinus Torvalds pbHeads = pbBiosAdr + 0x180; 7591da177e4SLinus Torvalds i < pCurHcb->HCS_MaxTar; 7601da177e4SLinus Torvalds i++, pwFlags++) { 7611da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags = *pwFlags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 7621da177e4SLinus Torvalds if (pCurHcb->HCS_Tcs[i].TCS_Flags & TCF_EN_255) 7631da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; 7641da177e4SLinus Torvalds else 7651da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; 7661da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_JS_Period = 0; 7671da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_SConfig0 = pCurHcb->HCS_SConf1; 7681da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvHead = *pbHeads++; 7691da177e4SLinus Torvalds if (pCurHcb->HCS_Tcs[i].TCS_DrvHead == 255) 7701da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; 7711da177e4SLinus Torvalds else 7721da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; 7731da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvSector = *pbHeads++; 7741da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; 7751da177e4SLinus Torvalds pCurHcb->HCS_ActTags[i] = 0; 7761da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[i] = 0xFF; 7771da177e4SLinus Torvalds } /* for */ 7781da177e4SLinus Torvalds printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n", 7791da177e4SLinus Torvalds pCurHcb->HCS_Base, pCurHcb->HCS_Intr, 7801da177e4SLinus Torvalds pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID); 7811da177e4SLinus Torvalds /*------------------- reset SCSI Bus ---------------------------*/ 7821da177e4SLinus Torvalds if (pCurHcb->HCS_Config & HCC_SCSI_RESET) { 7831da177e4SLinus Torvalds printk("i91u: Reset SCSI Bus ... \n"); 7841da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, seconds); 7851da177e4SLinus Torvalds } 7861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17); 7871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9); 7881da177e4SLinus Torvalds return (0); 7891da177e4SLinus Torvalds } 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvalds /***************************************************************************/ 792a2ba192cSAdrian Bunk static SCB *tul_alloc_scb(HCS * hcsp) 7931da177e4SLinus Torvalds { 7941da177e4SLinus Torvalds SCB *pTmpScb; 7951da177e4SLinus Torvalds ULONG flags; 7961da177e4SLinus Torvalds spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); 7971da177e4SLinus Torvalds if ((pTmpScb = hcsp->HCS_FirstAvail) != NULL) { 7981da177e4SLinus Torvalds #if DEBUG_QUEUE 7991da177e4SLinus Torvalds printk("find scb at %08lx\n", (ULONG) pTmpScb); 8001da177e4SLinus Torvalds #endif 8011da177e4SLinus Torvalds if ((hcsp->HCS_FirstAvail = pTmpScb->SCB_NxtScb) == NULL) 8021da177e4SLinus Torvalds hcsp->HCS_LastAvail = NULL; 8031da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 8041da177e4SLinus Torvalds pTmpScb->SCB_Status = SCB_RENT; 8051da177e4SLinus Torvalds } 8061da177e4SLinus Torvalds spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); 8071da177e4SLinus Torvalds return (pTmpScb); 8081da177e4SLinus Torvalds } 8091da177e4SLinus Torvalds 8101da177e4SLinus Torvalds /***************************************************************************/ 811a2ba192cSAdrian Bunk static void tul_release_scb(HCS * hcsp, SCB * scbp) 8121da177e4SLinus Torvalds { 8131da177e4SLinus Torvalds ULONG flags; 8141da177e4SLinus Torvalds 8151da177e4SLinus Torvalds #if DEBUG_QUEUE 8161da177e4SLinus Torvalds printk("Release SCB %lx; ", (ULONG) scbp); 8171da177e4SLinus Torvalds #endif 8181da177e4SLinus Torvalds spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); 8191da177e4SLinus Torvalds scbp->SCB_Srb = NULL; 8201da177e4SLinus Torvalds scbp->SCB_Status = 0; 8211da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 8221da177e4SLinus Torvalds if (hcsp->HCS_LastAvail != NULL) { 8231da177e4SLinus Torvalds hcsp->HCS_LastAvail->SCB_NxtScb = scbp; 8241da177e4SLinus Torvalds hcsp->HCS_LastAvail = scbp; 8251da177e4SLinus Torvalds } else { 8261da177e4SLinus Torvalds hcsp->HCS_FirstAvail = scbp; 8271da177e4SLinus Torvalds hcsp->HCS_LastAvail = scbp; 8281da177e4SLinus Torvalds } 8291da177e4SLinus Torvalds spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); 8301da177e4SLinus Torvalds } 8311da177e4SLinus Torvalds 8321da177e4SLinus Torvalds /***************************************************************************/ 833a2ba192cSAdrian Bunk static void tul_append_pend_scb(HCS * pCurHcb, SCB * scbp) 8341da177e4SLinus Torvalds { 8351da177e4SLinus Torvalds 8361da177e4SLinus Torvalds #if DEBUG_QUEUE 8371da177e4SLinus Torvalds printk("Append pend SCB %lx; ", (ULONG) scbp); 8381da177e4SLinus Torvalds #endif 8391da177e4SLinus Torvalds scbp->SCB_Status = SCB_PEND; 8401da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 8411da177e4SLinus Torvalds if (pCurHcb->HCS_LastPend != NULL) { 8421da177e4SLinus Torvalds pCurHcb->HCS_LastPend->SCB_NxtScb = scbp; 8431da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8441da177e4SLinus Torvalds } else { 8451da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8461da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8471da177e4SLinus Torvalds } 8481da177e4SLinus Torvalds } 8491da177e4SLinus Torvalds 8501da177e4SLinus Torvalds /***************************************************************************/ 851a2ba192cSAdrian Bunk static void tul_push_pend_scb(HCS * pCurHcb, SCB * scbp) 8521da177e4SLinus Torvalds { 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvalds #if DEBUG_QUEUE 8551da177e4SLinus Torvalds printk("Push pend SCB %lx; ", (ULONG) scbp); 8561da177e4SLinus Torvalds #endif 8571da177e4SLinus Torvalds scbp->SCB_Status = SCB_PEND; 8581da177e4SLinus Torvalds if ((scbp->SCB_NxtScb = pCurHcb->HCS_FirstPend) != NULL) { 8591da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8601da177e4SLinus Torvalds } else { 8611da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8621da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds } 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvalds /***************************************************************************/ 867a2ba192cSAdrian Bunk static SCB *tul_find_first_pend_scb(HCS * pCurHcb) 8681da177e4SLinus Torvalds { 8691da177e4SLinus Torvalds SCB *pFirstPend; 8701da177e4SLinus Torvalds 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvalds pFirstPend = pCurHcb->HCS_FirstPend; 8731da177e4SLinus Torvalds while (pFirstPend != NULL) { 8741da177e4SLinus Torvalds if (pFirstPend->SCB_Opcode != ExecSCSI) { 8751da177e4SLinus Torvalds return (pFirstPend); 8761da177e4SLinus Torvalds } 8771da177e4SLinus Torvalds if (pFirstPend->SCB_TagMsg == 0) { 8781da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] == 0) && 8791da177e4SLinus Torvalds !(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { 8801da177e4SLinus Torvalds return (pFirstPend); 8811da177e4SLinus Torvalds } 8821da177e4SLinus Torvalds } else { 8831da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] >= 8841da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[pFirstPend->SCB_Target]) | 8851da177e4SLinus Torvalds (pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { 8861da177e4SLinus Torvalds pFirstPend = pFirstPend->SCB_NxtScb; 8871da177e4SLinus Torvalds continue; 8881da177e4SLinus Torvalds } 8891da177e4SLinus Torvalds return (pFirstPend); 8901da177e4SLinus Torvalds } 8911da177e4SLinus Torvalds pFirstPend = pFirstPend->SCB_NxtScb; 8921da177e4SLinus Torvalds } 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvalds 8951da177e4SLinus Torvalds return (pFirstPend); 8961da177e4SLinus Torvalds } 8971da177e4SLinus Torvalds /***************************************************************************/ 898a2ba192cSAdrian Bunk static void tul_unlink_pend_scb(HCS * pCurHcb, SCB * pCurScb) 8991da177e4SLinus Torvalds { 9001da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds #if DEBUG_QUEUE 9031da177e4SLinus Torvalds printk("unlink pend SCB %lx; ", (ULONG) pCurScb); 9041da177e4SLinus Torvalds #endif 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; 9071da177e4SLinus Torvalds while (pTmpScb != NULL) { 9081da177e4SLinus Torvalds if (pCurScb == pTmpScb) { /* Unlink this SCB */ 9091da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstPend) { 9101da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) 9111da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 9121da177e4SLinus Torvalds } else { 9131da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 9141da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastPend) 9151da177e4SLinus Torvalds pCurHcb->HCS_LastPend = pPrevScb; 9161da177e4SLinus Torvalds } 9171da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9181da177e4SLinus Torvalds break; 9191da177e4SLinus Torvalds } 9201da177e4SLinus Torvalds pPrevScb = pTmpScb; 9211da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 9221da177e4SLinus Torvalds } 9231da177e4SLinus Torvalds return; 9241da177e4SLinus Torvalds } 9251da177e4SLinus Torvalds /***************************************************************************/ 926a2ba192cSAdrian Bunk static void tul_append_busy_scb(HCS * pCurHcb, SCB * scbp) 9271da177e4SLinus Torvalds { 9281da177e4SLinus Torvalds 9291da177e4SLinus Torvalds #if DEBUG_QUEUE 9301da177e4SLinus Torvalds printk("append busy SCB %lx; ", (ULONG) scbp); 9311da177e4SLinus Torvalds #endif 9321da177e4SLinus Torvalds if (scbp->SCB_TagMsg) 9331da177e4SLinus Torvalds pCurHcb->HCS_ActTags[scbp->SCB_Target]++; 9341da177e4SLinus Torvalds else 9351da177e4SLinus Torvalds pCurHcb->HCS_Tcs[scbp->SCB_Target].TCS_Flags |= TCF_BUSY; 9361da177e4SLinus Torvalds scbp->SCB_Status = SCB_BUSY; 9371da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 9381da177e4SLinus Torvalds if (pCurHcb->HCS_LastBusy != NULL) { 9391da177e4SLinus Torvalds pCurHcb->HCS_LastBusy->SCB_NxtScb = scbp; 9401da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = scbp; 9411da177e4SLinus Torvalds } else { 9421da177e4SLinus Torvalds pCurHcb->HCS_FirstBusy = scbp; 9431da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = scbp; 9441da177e4SLinus Torvalds } 9451da177e4SLinus Torvalds } 9461da177e4SLinus Torvalds 9471da177e4SLinus Torvalds /***************************************************************************/ 948a2ba192cSAdrian Bunk static SCB *tul_pop_busy_scb(HCS * pCurHcb) 9491da177e4SLinus Torvalds { 9501da177e4SLinus Torvalds SCB *pTmpScb; 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvalds if ((pTmpScb = pCurHcb->HCS_FirstBusy) != NULL) { 9541da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 9551da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 9561da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9571da177e4SLinus Torvalds if (pTmpScb->SCB_TagMsg) 9581da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 9591da177e4SLinus Torvalds else 9601da177e4SLinus Torvalds pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; 9611da177e4SLinus Torvalds } 9621da177e4SLinus Torvalds #if DEBUG_QUEUE 9631da177e4SLinus Torvalds printk("Pop busy SCB %lx; ", (ULONG) pTmpScb); 9641da177e4SLinus Torvalds #endif 9651da177e4SLinus Torvalds return (pTmpScb); 9661da177e4SLinus Torvalds } 9671da177e4SLinus Torvalds 9681da177e4SLinus Torvalds /***************************************************************************/ 969a2ba192cSAdrian Bunk static void tul_unlink_busy_scb(HCS * pCurHcb, SCB * pCurScb) 9701da177e4SLinus Torvalds { 9711da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 9721da177e4SLinus Torvalds 9731da177e4SLinus Torvalds #if DEBUG_QUEUE 9741da177e4SLinus Torvalds printk("unlink busy SCB %lx; ", (ULONG) pCurScb); 9751da177e4SLinus Torvalds #endif 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; 9781da177e4SLinus Torvalds while (pTmpScb != NULL) { 9791da177e4SLinus Torvalds if (pCurScb == pTmpScb) { /* Unlink this SCB */ 9801da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 9811da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 9821da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 9831da177e4SLinus Torvalds } else { 9841da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 9851da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 9861da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 9871da177e4SLinus Torvalds } 9881da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9891da177e4SLinus Torvalds if (pTmpScb->SCB_TagMsg) 9901da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 9911da177e4SLinus Torvalds else 9921da177e4SLinus Torvalds pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; 9931da177e4SLinus Torvalds break; 9941da177e4SLinus Torvalds } 9951da177e4SLinus Torvalds pPrevScb = pTmpScb; 9961da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 9971da177e4SLinus Torvalds } 9981da177e4SLinus Torvalds return; 9991da177e4SLinus Torvalds } 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvalds /***************************************************************************/ 10021da177e4SLinus Torvalds SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun) 10031da177e4SLinus Torvalds { 10041da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 10051da177e4SLinus Torvalds WORD scbp_tarlun; 10061da177e4SLinus Torvalds 10071da177e4SLinus Torvalds 10081da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; 10091da177e4SLinus Torvalds while (pTmpScb != NULL) { 10101da177e4SLinus Torvalds scbp_tarlun = (pTmpScb->SCB_Lun << 8) | (pTmpScb->SCB_Target); 10111da177e4SLinus Torvalds if (scbp_tarlun == tarlun) { /* Unlink this SCB */ 10121da177e4SLinus Torvalds break; 10131da177e4SLinus Torvalds } 10141da177e4SLinus Torvalds pPrevScb = pTmpScb; 10151da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 10161da177e4SLinus Torvalds } 10171da177e4SLinus Torvalds #if DEBUG_QUEUE 10181da177e4SLinus Torvalds printk("find busy SCB %lx; ", (ULONG) pTmpScb); 10191da177e4SLinus Torvalds #endif 10201da177e4SLinus Torvalds return (pTmpScb); 10211da177e4SLinus Torvalds } 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvalds /***************************************************************************/ 1024a2ba192cSAdrian Bunk static void tul_append_done_scb(HCS * pCurHcb, SCB * scbp) 10251da177e4SLinus Torvalds { 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvalds #if DEBUG_QUEUE 10281da177e4SLinus Torvalds printk("append done SCB %lx; ", (ULONG) scbp); 10291da177e4SLinus Torvalds #endif 10301da177e4SLinus Torvalds 10311da177e4SLinus Torvalds scbp->SCB_Status = SCB_DONE; 10321da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 10331da177e4SLinus Torvalds if (pCurHcb->HCS_LastDone != NULL) { 10341da177e4SLinus Torvalds pCurHcb->HCS_LastDone->SCB_NxtScb = scbp; 10351da177e4SLinus Torvalds pCurHcb->HCS_LastDone = scbp; 10361da177e4SLinus Torvalds } else { 10371da177e4SLinus Torvalds pCurHcb->HCS_FirstDone = scbp; 10381da177e4SLinus Torvalds pCurHcb->HCS_LastDone = scbp; 10391da177e4SLinus Torvalds } 10401da177e4SLinus Torvalds } 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvalds /***************************************************************************/ 10431da177e4SLinus Torvalds SCB *tul_find_done_scb(HCS * pCurHcb) 10441da177e4SLinus Torvalds { 10451da177e4SLinus Torvalds SCB *pTmpScb; 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds 10481da177e4SLinus Torvalds if ((pTmpScb = pCurHcb->HCS_FirstDone) != NULL) { 10491da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstDone = pTmpScb->SCB_NxtScb) == NULL) 10501da177e4SLinus Torvalds pCurHcb->HCS_LastDone = NULL; 10511da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 10521da177e4SLinus Torvalds } 10531da177e4SLinus Torvalds #if DEBUG_QUEUE 10541da177e4SLinus Torvalds printk("find done SCB %lx; ", (ULONG) pTmpScb); 10551da177e4SLinus Torvalds #endif 10561da177e4SLinus Torvalds return (pTmpScb); 10571da177e4SLinus Torvalds } 10581da177e4SLinus Torvalds 10591da177e4SLinus Torvalds /***************************************************************************/ 1060a2ba192cSAdrian Bunk static int tul_abort_srb(HCS * pCurHcb, struct scsi_cmnd *srbp) 10611da177e4SLinus Torvalds { 10621da177e4SLinus Torvalds ULONG flags; 10631da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 10641da177e4SLinus Torvalds 10651da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 10661da177e4SLinus Torvalds 10671da177e4SLinus Torvalds if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { 10681da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 10691da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 10701da177e4SLinus Torvalds 10711da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10721da177e4SLinus Torvalds 10731da177e4SLinus Torvalds tulip_main(pCurHcb); 10741da177e4SLinus Torvalds 10751da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 10781da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10811da177e4SLinus Torvalds 10821da177e4SLinus Torvalds return SCSI_ABORT_SNOOZE; 10831da177e4SLinus Torvalds } 10841da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; /* Check Pend queue */ 10851da177e4SLinus Torvalds while (pTmpScb != NULL) { 10861da177e4SLinus Torvalds /* 07/27/98 */ 10871da177e4SLinus Torvalds if (pTmpScb->SCB_Srb == srbp) { 10881da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_ActScb) { 10891da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10901da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 10911da177e4SLinus Torvalds } else if (pTmpScb == pCurHcb->HCS_FirstPend) { 10921da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) 10931da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 10941da177e4SLinus Torvalds } else { 10951da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 10961da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastPend) 10971da177e4SLinus Torvalds pCurHcb->HCS_LastPend = pPrevScb; 10981da177e4SLinus Torvalds } 10991da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 11001da177e4SLinus Torvalds pTmpScb->SCB_Flags |= SCF_DONE; 11011da177e4SLinus Torvalds if (pTmpScb->SCB_Flags & SCF_POST) 11021da177e4SLinus Torvalds (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); 11031da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11041da177e4SLinus Torvalds return SCSI_ABORT_SUCCESS; 11051da177e4SLinus Torvalds } 11061da177e4SLinus Torvalds pPrevScb = pTmpScb; 11071da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 11081da177e4SLinus Torvalds } 11091da177e4SLinus Torvalds 11101da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 11111da177e4SLinus Torvalds while (pTmpScb != NULL) { 11121da177e4SLinus Torvalds 11131da177e4SLinus Torvalds if (pTmpScb->SCB_Srb == srbp) { 11141da177e4SLinus Torvalds 11151da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_ActScb) { 11161da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11171da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 11181da177e4SLinus Torvalds } else if (pTmpScb->SCB_TagMsg == 0) { 11191da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11201da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 11211da177e4SLinus Torvalds } else { 11221da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 11231da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 11241da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 11251da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 11261da177e4SLinus Torvalds } else { 11271da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 11281da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 11291da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 11301da177e4SLinus Torvalds } 11311da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvalds 11341da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 11351da177e4SLinus Torvalds pTmpScb->SCB_Flags |= SCF_DONE; 11361da177e4SLinus Torvalds if (pTmpScb->SCB_Flags & SCF_POST) 11371da177e4SLinus Torvalds (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); 11381da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11391da177e4SLinus Torvalds return SCSI_ABORT_SUCCESS; 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds } 11421da177e4SLinus Torvalds pPrevScb = pTmpScb; 11431da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 11441da177e4SLinus Torvalds } 11451da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11461da177e4SLinus Torvalds return (SCSI_ABORT_NOT_RUNNING); 11471da177e4SLinus Torvalds } 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvalds /***************************************************************************/ 1150a2ba192cSAdrian Bunk static int tul_bad_seq(HCS * pCurHcb) 11511da177e4SLinus Torvalds { 11521da177e4SLinus Torvalds SCB *pCurScb; 11531da177e4SLinus Torvalds 11541da177e4SLinus Torvalds printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index); 11551da177e4SLinus Torvalds 11561da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { 11571da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurScb); 11581da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 11591da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 11601da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 11611da177e4SLinus Torvalds } 11621da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 11631da177e4SLinus Torvalds 11641da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 8); /* 7/29/98 */ 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvalds return (tul_post_scsi_rst(pCurHcb)); 11671da177e4SLinus Torvalds } 11681da177e4SLinus Torvalds 1169a2ba192cSAdrian Bunk #if 0 1170a2ba192cSAdrian Bunk 11711da177e4SLinus Torvalds /************************************************************************/ 1172a2ba192cSAdrian Bunk static int tul_device_reset(HCS * pCurHcb, struct scsi_cmnd *pSrb, 11731da177e4SLinus Torvalds unsigned int target, unsigned int ResetFlags) 11741da177e4SLinus Torvalds { 11751da177e4SLinus Torvalds ULONG flags; 11761da177e4SLinus Torvalds SCB *pScb; 11771da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvalds if (ResetFlags & SCSI_RESET_ASYNCHRONOUS) { 11801da177e4SLinus Torvalds 11811da177e4SLinus Torvalds if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { 11821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 11831da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 11841da177e4SLinus Torvalds 11851da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11861da177e4SLinus Torvalds 11871da177e4SLinus Torvalds tulip_main(pCurHcb); 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 11901da177e4SLinus Torvalds 11911da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 11921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 11931da177e4SLinus Torvalds 11941da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvalds return SCSI_RESET_SNOOZE; 11971da177e4SLinus Torvalds } 11981da177e4SLinus Torvalds pScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 11991da177e4SLinus Torvalds while (pScb != NULL) { 12001da177e4SLinus Torvalds if (pScb->SCB_Srb == pSrb) 12011da177e4SLinus Torvalds break; 12021da177e4SLinus Torvalds pScb = pScb->SCB_NxtScb; 12031da177e4SLinus Torvalds } 12041da177e4SLinus Torvalds if (pScb == NULL) { 12051da177e4SLinus Torvalds printk("Unable to Reset - No SCB Found\n"); 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12081da177e4SLinus Torvalds return SCSI_RESET_NOT_RUNNING; 12091da177e4SLinus Torvalds } 12101da177e4SLinus Torvalds } 12111da177e4SLinus Torvalds if ((pScb = tul_alloc_scb(pCurHcb)) == NULL) { 12121da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12131da177e4SLinus Torvalds return SCSI_RESET_NOT_RUNNING; 12141da177e4SLinus Torvalds } 12151da177e4SLinus Torvalds pScb->SCB_Opcode = BusDevRst; 12161da177e4SLinus Torvalds pScb->SCB_Flags = SCF_POST; 12171da177e4SLinus Torvalds pScb->SCB_Target = target; 12181da177e4SLinus Torvalds pScb->SCB_Mode = 0; 12191da177e4SLinus Torvalds 12201da177e4SLinus Torvalds pScb->SCB_Srb = NULL; 12211da177e4SLinus Torvalds if (ResetFlags & SCSI_RESET_SYNCHRONOUS) { 12221da177e4SLinus Torvalds pScb->SCB_Srb = pSrb; 12231da177e4SLinus Torvalds } 12241da177e4SLinus Torvalds tul_push_pend_scb(pCurHcb, pScb); /* push this SCB to Pending queue */ 12251da177e4SLinus Torvalds 12261da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 12271da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12281da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 12291da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12301da177e4SLinus Torvalds 12311da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12321da177e4SLinus Torvalds 12331da177e4SLinus Torvalds tulip_main(pCurHcb); 12341da177e4SLinus Torvalds 12351da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12361da177e4SLinus Torvalds 12371da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 12381da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 12391da177e4SLinus Torvalds } 12401da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12411da177e4SLinus Torvalds return SCSI_RESET_PENDING; 12421da177e4SLinus Torvalds } 12431da177e4SLinus Torvalds 1244a2ba192cSAdrian Bunk static int tul_reset_scsi_bus(HCS * pCurHcb) 12451da177e4SLinus Torvalds { 12461da177e4SLinus Torvalds ULONG flags; 12471da177e4SLinus Torvalds 12481da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12501da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12511da177e4SLinus Torvalds 12521da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12531da177e4SLinus Torvalds 12541da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 12551da177e4SLinus Torvalds 12561da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 2); /* 7/29/98 */ 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12591da177e4SLinus Torvalds tul_post_scsi_rst(pCurHcb); 12601da177e4SLinus Torvalds 12611da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12621da177e4SLinus Torvalds 12631da177e4SLinus Torvalds tulip_main(pCurHcb); 12641da177e4SLinus Torvalds 12651da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12661da177e4SLinus Torvalds 12671da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 12681da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 12691da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12701da177e4SLinus Torvalds return (SCSI_RESET_SUCCESS | SCSI_RESET_HOST_RESET); 12711da177e4SLinus Torvalds } 12721da177e4SLinus Torvalds 1273a2ba192cSAdrian Bunk #endif /* 0 */ 1274a2ba192cSAdrian Bunk 12751da177e4SLinus Torvalds /************************************************************************/ 1276a2ba192cSAdrian Bunk static void tul_exec_scb(HCS * pCurHcb, SCB * pCurScb) 12771da177e4SLinus Torvalds { 12781da177e4SLinus Torvalds ULONG flags; 12791da177e4SLinus Torvalds 12801da177e4SLinus Torvalds pCurScb->SCB_Mode = 0; 12811da177e4SLinus Torvalds 12821da177e4SLinus Torvalds pCurScb->SCB_SGIdx = 0; 12831da177e4SLinus Torvalds pCurScb->SCB_SGMax = pCurScb->SCB_SGLen; 12841da177e4SLinus Torvalds 12851da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvalds tul_append_pend_scb(pCurHcb, pCurScb); /* Append this SCB to Pending queue */ 12881da177e4SLinus Torvalds 12891da177e4SLinus Torvalds /* VVVVV 07/21/98 */ 12901da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 12911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12921da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 12931da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12941da177e4SLinus Torvalds 12951da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12961da177e4SLinus Torvalds 12971da177e4SLinus Torvalds tulip_main(pCurHcb); 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 13021da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 13031da177e4SLinus Torvalds } 13041da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 13051da177e4SLinus Torvalds return; 13061da177e4SLinus Torvalds } 13071da177e4SLinus Torvalds 13081da177e4SLinus Torvalds /***************************************************************************/ 1309a2ba192cSAdrian Bunk static int tul_isr(HCS * pCurHcb) 13101da177e4SLinus Torvalds { 13111da177e4SLinus Torvalds /* Enter critical section */ 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) { 13141da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 13151da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 13161da177e4SLinus Torvalds /* Disable Tulip SCSI Int */ 13171da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 13181da177e4SLinus Torvalds 13191da177e4SLinus Torvalds tulip_main(pCurHcb); 13201da177e4SLinus Torvalds 13211da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 13221da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 13231da177e4SLinus Torvalds return (1); 13241da177e4SLinus Torvalds } 13251da177e4SLinus Torvalds } 13261da177e4SLinus Torvalds return (0); 13271da177e4SLinus Torvalds } 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvalds /***************************************************************************/ 13301da177e4SLinus Torvalds int tulip_main(HCS * pCurHcb) 13311da177e4SLinus Torvalds { 13321da177e4SLinus Torvalds SCB *pCurScb; 13331da177e4SLinus Torvalds 13341da177e4SLinus Torvalds for (;;) { 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvalds tulip_scsi(pCurHcb); /* Call tulip_scsi */ 13371da177e4SLinus Torvalds 13381da177e4SLinus Torvalds while ((pCurScb = tul_find_done_scb(pCurHcb)) != NULL) { /* find done entry */ 13391da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == INI_QUEUE_FULL) { 13401da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[pCurScb->SCB_Target] = 13411da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pCurScb->SCB_Target] - 1; 13421da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 13431da177e4SLinus Torvalds tul_append_pend_scb(pCurHcb, pCurScb); 13441da177e4SLinus Torvalds continue; 13451da177e4SLinus Torvalds } 13461da177e4SLinus Torvalds if (!(pCurScb->SCB_Mode & SCM_RSENS)) { /* not in auto req. sense mode */ 13471da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == 2) { 13481da177e4SLinus Torvalds 13491da177e4SLinus Torvalds /* clr sync. nego flag */ 13501da177e4SLinus Torvalds 13511da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SENSE) { 13521da177e4SLinus Torvalds BYTE len; 13531da177e4SLinus Torvalds len = pCurScb->SCB_SenseLen; 13541da177e4SLinus Torvalds if (len == 0) 13551da177e4SLinus Torvalds len = 1; 13561da177e4SLinus Torvalds pCurScb->SCB_BufLen = pCurScb->SCB_SenseLen; 13571da177e4SLinus Torvalds pCurScb->SCB_BufPtr = pCurScb->SCB_SensePtr; 13581da177e4SLinus Torvalds pCurScb->SCB_Flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ 13591da177e4SLinus Torvalds /* pCurScb->SCB_Flags |= SCF_NO_DCHK; */ 13601da177e4SLinus Torvalds /* so, we won't report worng direction in xfer_data_in, 13611da177e4SLinus Torvalds and won't report HOST_DO_DU in state_6 */ 13621da177e4SLinus Torvalds pCurScb->SCB_Mode = SCM_RSENS; 13631da177e4SLinus Torvalds pCurScb->SCB_Ident &= 0xBF; /* Disable Disconnect */ 13641da177e4SLinus Torvalds pCurScb->SCB_TagMsg = 0; 13651da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 13661da177e4SLinus Torvalds pCurScb->SCB_CDBLen = 6; 13671da177e4SLinus Torvalds pCurScb->SCB_CDB[0] = SCSICMD_RequestSense; 13681da177e4SLinus Torvalds pCurScb->SCB_CDB[1] = 0; 13691da177e4SLinus Torvalds pCurScb->SCB_CDB[2] = 0; 13701da177e4SLinus Torvalds pCurScb->SCB_CDB[3] = 0; 13711da177e4SLinus Torvalds pCurScb->SCB_CDB[4] = len; 13721da177e4SLinus Torvalds pCurScb->SCB_CDB[5] = 0; 13731da177e4SLinus Torvalds tul_push_pend_scb(pCurHcb, pCurScb); 13741da177e4SLinus Torvalds break; 13751da177e4SLinus Torvalds } 13761da177e4SLinus Torvalds } 13771da177e4SLinus Torvalds } else { /* in request sense mode */ 13781da177e4SLinus Torvalds 13791da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == 2) { /* check contition status again after sending 13801da177e4SLinus Torvalds requset sense cmd 0x3 */ 13811da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 13821da177e4SLinus Torvalds } 13831da177e4SLinus Torvalds pCurScb->SCB_TaStat = 2; 13841da177e4SLinus Torvalds } 13851da177e4SLinus Torvalds pCurScb->SCB_Flags |= SCF_DONE; 13861da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POST) { 13871da177e4SLinus Torvalds (*pCurScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pCurScb); 13881da177e4SLinus Torvalds } 13891da177e4SLinus Torvalds } /* while */ 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvalds /* find_active: */ 13921da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0) & TSS_INT_PENDING) 13931da177e4SLinus Torvalds continue; 13941da177e4SLinus Torvalds 13951da177e4SLinus Torvalds if (pCurHcb->HCS_ActScb) { /* return to OS and wait for xfer_done_ISR/Selected_ISR */ 13961da177e4SLinus Torvalds return 1; /* return to OS, enable interrupt */ 13971da177e4SLinus Torvalds } 13981da177e4SLinus Torvalds /* Check pending SCB */ 13991da177e4SLinus Torvalds if (tul_find_first_pend_scb(pCurHcb) == NULL) { 14001da177e4SLinus Torvalds return 1; /* return to OS, enable interrupt */ 14011da177e4SLinus Torvalds } 14021da177e4SLinus Torvalds } /* End of for loop */ 14031da177e4SLinus Torvalds /* statement won't reach here */ 14041da177e4SLinus Torvalds } 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvalds 14091da177e4SLinus Torvalds /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ 14101da177e4SLinus Torvalds /***************************************************************************/ 14111da177e4SLinus Torvalds /***************************************************************************/ 14121da177e4SLinus Torvalds /***************************************************************************/ 14131da177e4SLinus Torvalds /***************************************************************************/ 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvalds /***************************************************************************/ 14161da177e4SLinus Torvalds void tulip_scsi(HCS * pCurHcb) 14171da177e4SLinus Torvalds { 14181da177e4SLinus Torvalds SCB *pCurScb; 14191da177e4SLinus Torvalds TCS *pCurTcb; 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvalds /* make sure to service interrupt asap */ 14221da177e4SLinus Torvalds 14231da177e4SLinus Torvalds if ((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) & TSS_INT_PENDING) { 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvalds pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; 14261da177e4SLinus Torvalds pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); 14271da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 14281da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ 14291da177e4SLinus Torvalds int_tul_scsi_rst(pCurHcb); 14301da177e4SLinus Torvalds return; 14311da177e4SLinus Torvalds } 14321da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if selected/reselected interrupt */ 14331da177e4SLinus Torvalds if (int_tul_resel(pCurHcb) == 0) 14341da177e4SLinus Torvalds tul_next_state(pCurHcb); 14351da177e4SLinus Torvalds return; 14361da177e4SLinus Torvalds } 14371da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { 14381da177e4SLinus Torvalds int_tul_busfree(pCurHcb); 14391da177e4SLinus Torvalds return; 14401da177e4SLinus Torvalds } 14411da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 14421da177e4SLinus Torvalds int_tul_busfree(pCurHcb); /* unexpected bus free or sel timeout */ 14431da177e4SLinus Torvalds return; 14441da177e4SLinus Torvalds } 14451da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ 14461da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) 14471da177e4SLinus Torvalds tul_next_state(pCurHcb); 14481da177e4SLinus Torvalds return; 14491da177e4SLinus Torvalds } 14501da177e4SLinus Torvalds } 14511da177e4SLinus Torvalds if (pCurHcb->HCS_ActScb != NULL) 14521da177e4SLinus Torvalds return; 14531da177e4SLinus Torvalds 14541da177e4SLinus Torvalds if ((pCurScb = tul_find_first_pend_scb(pCurHcb)) == NULL) 14551da177e4SLinus Torvalds return; 14561da177e4SLinus Torvalds 14571da177e4SLinus Torvalds /* program HBA's SCSI ID & target SCSI ID */ 14581da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, 14591da177e4SLinus Torvalds (pCurHcb->HCS_SCSI_ID << 4) | (pCurScb->SCB_Target & 0x0F)); 14601da177e4SLinus Torvalds if (pCurScb->SCB_Opcode == ExecSCSI) { 14611da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 14621da177e4SLinus Torvalds 14631da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) 14641da177e4SLinus Torvalds pCurTcb->TCS_DrvFlags |= TCF_DRV_EN_TAG; 14651da177e4SLinus Torvalds else 14661da177e4SLinus Torvalds pCurTcb->TCS_DrvFlags &= ~TCF_DRV_EN_TAG; 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); 14691da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */ 14701da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14711da177e4SLinus Torvalds } else { 14721da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation */ 14731da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14741da177e4SLinus Torvalds } else { 14751da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) 14761da177e4SLinus Torvalds tul_select_atn3(pCurHcb, pCurScb); 14771da177e4SLinus Torvalds else 14781da177e4SLinus Torvalds tul_select_atn(pCurHcb, pCurScb); 14791da177e4SLinus Torvalds } 14801da177e4SLinus Torvalds } 14811da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POLL) { 14821da177e4SLinus Torvalds while (wait_tulip(pCurHcb) != -1) { 14831da177e4SLinus Torvalds if (tul_next_state(pCurHcb) == -1) 14841da177e4SLinus Torvalds break; 14851da177e4SLinus Torvalds } 14861da177e4SLinus Torvalds } 14871da177e4SLinus Torvalds } else if (pCurScb->SCB_Opcode == BusDevRst) { 14881da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14891da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 8; 14901da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POLL) { 14911da177e4SLinus Torvalds while (wait_tulip(pCurHcb) != -1) { 14921da177e4SLinus Torvalds if (tul_next_state(pCurHcb) == -1) 14931da177e4SLinus Torvalds break; 14941da177e4SLinus Torvalds } 14951da177e4SLinus Torvalds } 14961da177e4SLinus Torvalds } else if (pCurScb->SCB_Opcode == AbortCmd) { 14971da177e4SLinus Torvalds if (tul_abort_srb(pCurHcb, pCurScb->SCB_Srb) != 0) { 14981da177e4SLinus Torvalds 14991da177e4SLinus Torvalds 15001da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15011da177e4SLinus Torvalds 15021da177e4SLinus Torvalds tul_release_scb(pCurHcb, pCurScb); 15031da177e4SLinus Torvalds } else { 15041da177e4SLinus Torvalds pCurScb->SCB_Opcode = BusDevRst; 15051da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 15061da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 8; 15071da177e4SLinus Torvalds } 15081da177e4SLinus Torvalds 15091da177e4SLinus Torvalds /* 08/03/98 */ 15101da177e4SLinus Torvalds } else { 15111da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15121da177e4SLinus Torvalds pCurScb->SCB_HaStat = 0x16; /* bad command */ 15131da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 15141da177e4SLinus Torvalds } 15151da177e4SLinus Torvalds return; 15161da177e4SLinus Torvalds } 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds 15191da177e4SLinus Torvalds /***************************************************************************/ 15201da177e4SLinus Torvalds int tul_next_state(HCS * pCurHcb) 15211da177e4SLinus Torvalds { 15221da177e4SLinus Torvalds int next; 15231da177e4SLinus Torvalds 15241da177e4SLinus Torvalds next = pCurHcb->HCS_ActScb->SCB_NxtStat; 15251da177e4SLinus Torvalds for (;;) { 15261da177e4SLinus Torvalds switch (next) { 15271da177e4SLinus Torvalds case 1: 15281da177e4SLinus Torvalds next = tul_state_1(pCurHcb); 15291da177e4SLinus Torvalds break; 15301da177e4SLinus Torvalds case 2: 15311da177e4SLinus Torvalds next = tul_state_2(pCurHcb); 15321da177e4SLinus Torvalds break; 15331da177e4SLinus Torvalds case 3: 15341da177e4SLinus Torvalds next = tul_state_3(pCurHcb); 15351da177e4SLinus Torvalds break; 15361da177e4SLinus Torvalds case 4: 15371da177e4SLinus Torvalds next = tul_state_4(pCurHcb); 15381da177e4SLinus Torvalds break; 15391da177e4SLinus Torvalds case 5: 15401da177e4SLinus Torvalds next = tul_state_5(pCurHcb); 15411da177e4SLinus Torvalds break; 15421da177e4SLinus Torvalds case 6: 15431da177e4SLinus Torvalds next = tul_state_6(pCurHcb); 15441da177e4SLinus Torvalds break; 15451da177e4SLinus Torvalds case 7: 15461da177e4SLinus Torvalds next = tul_state_7(pCurHcb); 15471da177e4SLinus Torvalds break; 15481da177e4SLinus Torvalds case 8: 15491da177e4SLinus Torvalds return (tul_bus_device_reset(pCurHcb)); 15501da177e4SLinus Torvalds default: 15511da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 15521da177e4SLinus Torvalds } 15531da177e4SLinus Torvalds if (next <= 0) 15541da177e4SLinus Torvalds return next; 15551da177e4SLinus Torvalds } 15561da177e4SLinus Torvalds } 15571da177e4SLinus Torvalds 15581da177e4SLinus Torvalds 15591da177e4SLinus Torvalds /***************************************************************************/ 15601da177e4SLinus Torvalds /* sTate after selection with attention & stop */ 15611da177e4SLinus Torvalds int tul_state_1(HCS * pCurHcb) 15621da177e4SLinus Torvalds { 15631da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 15641da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 15651da177e4SLinus Torvalds #if DEBUG_STATE 15661da177e4SLinus Torvalds printk("-s1-"); 15671da177e4SLinus Torvalds #endif 15681da177e4SLinus Torvalds 15691da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15701da177e4SLinus Torvalds tul_append_busy_scb(pCurHcb, pCurScb); 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 15731da177e4SLinus Torvalds /* ATN on */ 15741da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 15751da177e4SLinus Torvalds 15761da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, (TSC_EN_BUS_IN | TSC_HW_RESELECT)); 15771da177e4SLinus Torvalds 15781da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 15791da177e4SLinus Torvalds 15801da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) { 15811da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); 15821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); 15831da177e4SLinus Torvalds } 15841da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { 15851da177e4SLinus Torvalds 15861da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_WDTR_DONE; 15871da177e4SLinus Torvalds 15881da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 15891da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); /* Extended msg length */ 15901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* Sync request */ 15911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* Start from 16 bits */ 15921da177e4SLinus Torvalds } else if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { 15931da177e4SLinus Torvalds 15941da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_SYNC_DONE; 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 15971da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* extended msg length */ 15981da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ 15991da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); 16001da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ 16011da177e4SLinus Torvalds } 16021da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16031da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16041da177e4SLinus Torvalds return (-1); 16051da177e4SLinus Torvalds } 16061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16071da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 16081da177e4SLinus Torvalds return (3); 16091da177e4SLinus Torvalds } 16101da177e4SLinus Torvalds 16111da177e4SLinus Torvalds 16121da177e4SLinus Torvalds /***************************************************************************/ 16131da177e4SLinus Torvalds /* state after selection with attention */ 16141da177e4SLinus Torvalds /* state after selection with attention3 */ 16151da177e4SLinus Torvalds int tul_state_2(HCS * pCurHcb) 16161da177e4SLinus Torvalds { 16171da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 16181da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 16191da177e4SLinus Torvalds #if DEBUG_STATE 16201da177e4SLinus Torvalds printk("-s2-"); 16211da177e4SLinus Torvalds #endif 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 16241da177e4SLinus Torvalds tul_append_busy_scb(pCurHcb, pCurScb); 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus1 & TSS_CMD_PH_CMP) { 16291da177e4SLinus Torvalds return (4); 16301da177e4SLinus Torvalds } 16311da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16321da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 16331da177e4SLinus Torvalds return (3); 16341da177e4SLinus Torvalds } 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvalds /***************************************************************************/ 16371da177e4SLinus Torvalds /* state before CDB xfer is done */ 16381da177e4SLinus Torvalds int tul_state_3(HCS * pCurHcb) 16391da177e4SLinus Torvalds { 16401da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 16411da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 16421da177e4SLinus Torvalds int i; 16431da177e4SLinus Torvalds 16441da177e4SLinus Torvalds #if DEBUG_STATE 16451da177e4SLinus Torvalds printk("-s3-"); 16461da177e4SLinus Torvalds #endif 16471da177e4SLinus Torvalds for (;;) { 16481da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 16491da177e4SLinus Torvalds case CMD_OUT: /* Command out phase */ 16501da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 16511da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 16521da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16531da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16541da177e4SLinus Torvalds return (-1); 16551da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == CMD_OUT) { 16561da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 16571da177e4SLinus Torvalds } 16581da177e4SLinus Torvalds return (4); 16591da177e4SLinus Torvalds 16601da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 16611da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 3; 16621da177e4SLinus Torvalds if (tul_msgin(pCurHcb) == -1) 16631da177e4SLinus Torvalds return (-1); 16641da177e4SLinus Torvalds break; 16651da177e4SLinus Torvalds 16661da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 16671da177e4SLinus Torvalds if (tul_status_msg(pCurHcb) == -1) 16681da177e4SLinus Torvalds return (-1); 16691da177e4SLinus Torvalds break; 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 16721da177e4SLinus Torvalds if (pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) { 16731da177e4SLinus Torvalds 16741da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 16751da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16761da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16771da177e4SLinus Torvalds return (-1); 16781da177e4SLinus Torvalds 16791da177e4SLinus Torvalds } else { 16801da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_SYNC_DONE; 16811da177e4SLinus Torvalds 16821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 16831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* ext. msg len */ 16841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ 16851da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); 16861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ 16871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16881da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16891da177e4SLinus Torvalds return (-1); 16901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)); 16921da177e4SLinus Torvalds 16931da177e4SLinus Torvalds } 16941da177e4SLinus Torvalds break; 16951da177e4SLinus Torvalds 16961da177e4SLinus Torvalds default: 16971da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 16981da177e4SLinus Torvalds } 16991da177e4SLinus Torvalds } 17001da177e4SLinus Torvalds } 17011da177e4SLinus Torvalds 17021da177e4SLinus Torvalds 17031da177e4SLinus Torvalds /***************************************************************************/ 17041da177e4SLinus Torvalds int tul_state_4(HCS * pCurHcb) 17051da177e4SLinus Torvalds { 17061da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 17071da177e4SLinus Torvalds 17081da177e4SLinus Torvalds #if DEBUG_STATE 17091da177e4SLinus Torvalds printk("-s4-"); 17101da177e4SLinus Torvalds #endif 17111da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_NO_XF) { 17121da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17131da177e4SLinus Torvalds } 17141da177e4SLinus Torvalds for (;;) { 17151da177e4SLinus Torvalds if (pCurScb->SCB_BufLen == 0) 17161da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17171da177e4SLinus Torvalds 17181da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 17191da177e4SLinus Torvalds 17201da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 17211da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != 0) { /* if direction bit set then report data underrun */ 17221da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17231da177e4SLinus Torvalds } 17241da177e4SLinus Torvalds if ((tul_status_msg(pCurHcb)) == -1) 17251da177e4SLinus Torvalds return (-1); 17261da177e4SLinus Torvalds break; 17271da177e4SLinus Torvalds 17281da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 17291da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x4; 17301da177e4SLinus Torvalds if (tul_msgin(pCurHcb) == -1) 17311da177e4SLinus Torvalds return (-1); 17321da177e4SLinus Torvalds break; 17331da177e4SLinus Torvalds 17341da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 17351da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 17361da177e4SLinus Torvalds pCurScb->SCB_BufLen = 0; 17371da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17381da177e4SLinus Torvalds if (tul_msgout_ide(pCurHcb) == -1) 17391da177e4SLinus Torvalds return (-1); 17401da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17411da177e4SLinus Torvalds } else { 17421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 17431da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 17441da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 17451da177e4SLinus Torvalds return (-1); 17461da177e4SLinus Torvalds } 17471da177e4SLinus Torvalds break; 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 17501da177e4SLinus Torvalds return (tul_xfer_data_in(pCurHcb)); 17511da177e4SLinus Torvalds 17521da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 17531da177e4SLinus Torvalds return (tul_xfer_data_out(pCurHcb)); 17541da177e4SLinus Torvalds 17551da177e4SLinus Torvalds default: 17561da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 17571da177e4SLinus Torvalds } 17581da177e4SLinus Torvalds } 17591da177e4SLinus Torvalds } 17601da177e4SLinus Torvalds 17611da177e4SLinus Torvalds 17621da177e4SLinus Torvalds /***************************************************************************/ 17631da177e4SLinus Torvalds /* state after dma xfer done or phase change before xfer done */ 17641da177e4SLinus Torvalds int tul_state_5(HCS * pCurHcb) 17651da177e4SLinus Torvalds { 17661da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 17671da177e4SLinus Torvalds long cnt, xcnt; /* cannot use unsigned !! code: if (xcnt < 0) */ 17681da177e4SLinus Torvalds 17691da177e4SLinus Torvalds #if DEBUG_STATE 17701da177e4SLinus Torvalds printk("-s5-"); 17711da177e4SLinus Torvalds #endif 17721da177e4SLinus Torvalds /*------ get remaining count -------*/ 17731da177e4SLinus Torvalds 17741da177e4SLinus Torvalds cnt = TUL_RDLONG(pCurHcb->HCS_Base, TUL_SCnt0) & 0x0FFFFFF; 17751da177e4SLinus Torvalds 17761da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XCmd) & 0x20) { 17771da177e4SLinus Torvalds /* ----------------------- DATA_IN ----------------------------- */ 17781da177e4SLinus Torvalds /* check scsi parity error */ 17791da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 17801da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17811da177e4SLinus Torvalds } 17821da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ 17831da177e4SLinus Torvalds /* tell Hardware scsi xfer has been terminated */ 17841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, TUL_RD(pCurHcb->HCS_Base, TUL_XCtrl) | 0x80); 17851da177e4SLinus Torvalds /* wait until DMA xfer not pending */ 17861da177e4SLinus Torvalds while (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND); 17871da177e4SLinus Torvalds } 17881da177e4SLinus Torvalds } else { 17891da177e4SLinus Torvalds /*-------- DATA OUT -----------*/ 17901da177e4SLinus Torvalds if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) { 17911da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_JS_Period & TSC_WIDE_SCSI) 17921da177e4SLinus Torvalds cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F) << 1; 17931da177e4SLinus Torvalds else 17941da177e4SLinus Torvalds cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F); 17951da177e4SLinus Torvalds } 17961da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ 17971da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT); 17981da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 17991da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); 18001da177e4SLinus Torvalds } 18011da177e4SLinus Torvalds if ((cnt == 1) && (pCurHcb->HCS_Phase == DATA_OUT)) { 18021da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 18031da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) { 18041da177e4SLinus Torvalds return (-1); 18051da177e4SLinus Torvalds } 18061da177e4SLinus Torvalds cnt = 0; 18071da177e4SLinus Torvalds } else { 18081da177e4SLinus Torvalds if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) 18091da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 18101da177e4SLinus Torvalds } 18111da177e4SLinus Torvalds } 18121da177e4SLinus Torvalds 18131da177e4SLinus Torvalds if (cnt == 0) { 18141da177e4SLinus Torvalds pCurScb->SCB_BufLen = 0; 18151da177e4SLinus Torvalds return (6); /* Go to state 6 */ 18161da177e4SLinus Torvalds } 18171da177e4SLinus Torvalds /* Update active data pointer */ 18181da177e4SLinus Torvalds xcnt = (long) pCurScb->SCB_BufLen - cnt; /* xcnt== bytes already xferred */ 18191da177e4SLinus Torvalds pCurScb->SCB_BufLen = (U32) cnt; /* cnt == bytes left to be xferred */ 18201da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { 18211da177e4SLinus Torvalds register SG *sgp; 18221da177e4SLinus Torvalds ULONG i; 18231da177e4SLinus Torvalds 18241da177e4SLinus Torvalds sgp = &pCurScb->SCB_SGList[pCurScb->SCB_SGIdx]; 18251da177e4SLinus Torvalds for (i = pCurScb->SCB_SGIdx; i < pCurScb->SCB_SGMax; sgp++, i++) { 18261da177e4SLinus Torvalds xcnt -= (long) sgp->SG_Len; 18271da177e4SLinus Torvalds if (xcnt < 0) { /* this sgp xfer half done */ 18281da177e4SLinus Torvalds xcnt += (long) sgp->SG_Len; /* xcnt == bytes xferred in this sgp */ 18291da177e4SLinus Torvalds sgp->SG_Ptr += (U32) xcnt; /* new ptr to be xfer */ 18301da177e4SLinus Torvalds sgp->SG_Len -= (U32) xcnt; /* new len to be xfer */ 18311da177e4SLinus Torvalds pCurScb->SCB_BufPtr += ((U32) (i - pCurScb->SCB_SGIdx) << 3); 18321da177e4SLinus Torvalds /* new SG table ptr */ 18331da177e4SLinus Torvalds pCurScb->SCB_SGLen = (BYTE) (pCurScb->SCB_SGMax - i); 18341da177e4SLinus Torvalds /* new SG table len */ 18351da177e4SLinus Torvalds pCurScb->SCB_SGIdx = (WORD) i; 18361da177e4SLinus Torvalds /* for next disc and come in this loop */ 18371da177e4SLinus Torvalds return (4); /* Go to state 4 */ 18381da177e4SLinus Torvalds } 18391da177e4SLinus Torvalds /* else (xcnt >= 0 , i.e. this sgp already xferred */ 18401da177e4SLinus Torvalds } /* for */ 18411da177e4SLinus Torvalds return (6); /* Go to state 6 */ 18421da177e4SLinus Torvalds } else { 18431da177e4SLinus Torvalds pCurScb->SCB_BufPtr += (U32) xcnt; 18441da177e4SLinus Torvalds } 18451da177e4SLinus Torvalds return (4); /* Go to state 4 */ 18461da177e4SLinus Torvalds } 18471da177e4SLinus Torvalds 18481da177e4SLinus Torvalds /***************************************************************************/ 18491da177e4SLinus Torvalds /* state after Data phase */ 18501da177e4SLinus Torvalds int tul_state_6(HCS * pCurHcb) 18511da177e4SLinus Torvalds { 18521da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 18531da177e4SLinus Torvalds 18541da177e4SLinus Torvalds #if DEBUG_STATE 18551da177e4SLinus Torvalds printk("-s6-"); 18561da177e4SLinus Torvalds #endif 18571da177e4SLinus Torvalds for (;;) { 18581da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 18591da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 18601da177e4SLinus Torvalds if ((tul_status_msg(pCurHcb)) == -1) 18611da177e4SLinus Torvalds return (-1); 18621da177e4SLinus Torvalds break; 18631da177e4SLinus Torvalds 18641da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 18651da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 6; 18661da177e4SLinus Torvalds if ((tul_msgin(pCurHcb)) == -1) 18671da177e4SLinus Torvalds return (-1); 18681da177e4SLinus Torvalds break; 18691da177e4SLinus Torvalds 18701da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 18711da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 18721da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 18731da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 18741da177e4SLinus Torvalds return (-1); 18751da177e4SLinus Torvalds break; 18761da177e4SLinus Torvalds 18771da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 18781da177e4SLinus Torvalds return (tul_xpad_in(pCurHcb)); 18791da177e4SLinus Torvalds 18801da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 18811da177e4SLinus Torvalds return (tul_xpad_out(pCurHcb)); 18821da177e4SLinus Torvalds 18831da177e4SLinus Torvalds default: 18841da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 18851da177e4SLinus Torvalds } 18861da177e4SLinus Torvalds } 18871da177e4SLinus Torvalds } 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvalds /***************************************************************************/ 18901da177e4SLinus Torvalds int tul_state_7(HCS * pCurHcb) 18911da177e4SLinus Torvalds { 18921da177e4SLinus Torvalds int cnt, i; 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvalds #if DEBUG_STATE 18951da177e4SLinus Torvalds printk("-s7-"); 18961da177e4SLinus Torvalds #endif 18971da177e4SLinus Torvalds /* flush SCSI FIFO */ 18981da177e4SLinus Torvalds cnt = TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F; 18991da177e4SLinus Torvalds if (cnt) { 19001da177e4SLinus Torvalds for (i = 0; i < cnt; i++) 19011da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 19021da177e4SLinus Torvalds } 19031da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 19041da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 19051da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 19061da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 19071da177e4SLinus Torvalds default: 19081da177e4SLinus Torvalds return (6); /* Go to state 6 */ 19091da177e4SLinus Torvalds } 19101da177e4SLinus Torvalds } 19111da177e4SLinus Torvalds 19121da177e4SLinus Torvalds /***************************************************************************/ 19131da177e4SLinus Torvalds int tul_xfer_data_in(HCS * pCurHcb) 19141da177e4SLinus Torvalds { 19151da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DOUT) { 19181da177e4SLinus Torvalds return (6); /* wrong direction */ 19191da177e4SLinus Torvalds } 19201da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); 19211da177e4SLinus Torvalds 19221da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_IN); /* 7/25/95 */ 19231da177e4SLinus Torvalds 19241da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ 19251da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); 19261da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19271da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_IN); 19281da177e4SLinus Torvalds } else { 19291da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); 19301da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19311da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_IN); 19321da177e4SLinus Torvalds } 19331da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x5; 19341da177e4SLinus Torvalds return (0); /* return to OS, wait xfer done , let jas_isr come in */ 19351da177e4SLinus Torvalds } 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds 19381da177e4SLinus Torvalds /***************************************************************************/ 19391da177e4SLinus Torvalds int tul_xfer_data_out(HCS * pCurHcb) 19401da177e4SLinus Torvalds { 19411da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19421da177e4SLinus Torvalds 19431da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DIN) { 19441da177e4SLinus Torvalds return (6); /* wrong direction */ 19451da177e4SLinus Torvalds } 19461da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); 19471da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_OUT); 19481da177e4SLinus Torvalds 19491da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ 19501da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); 19511da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19521da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_OUT); 19531da177e4SLinus Torvalds } else { 19541da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); 19551da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19561da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_OUT); 19571da177e4SLinus Torvalds } 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x5; 19601da177e4SLinus Torvalds return (0); /* return to OS, wait xfer done , let jas_isr come in */ 19611da177e4SLinus Torvalds } 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvalds 19641da177e4SLinus Torvalds /***************************************************************************/ 19651da177e4SLinus Torvalds int tul_xpad_in(HCS * pCurHcb) 19661da177e4SLinus Torvalds { 19671da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19681da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 19691da177e4SLinus Torvalds 19701da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { 19711da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ 19721da177e4SLinus Torvalds } 19731da177e4SLinus Torvalds for (;;) { 19741da177e4SLinus Torvalds if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) 19751da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); 19761da177e4SLinus Torvalds else 19771da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 19781da177e4SLinus Torvalds 19791da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 19801da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 19811da177e4SLinus Torvalds return (-1); 19821da177e4SLinus Torvalds } 19831da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != DATA_IN) { 19841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 19851da177e4SLinus Torvalds return (6); 19861da177e4SLinus Torvalds } 19871da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 19881da177e4SLinus Torvalds } 19891da177e4SLinus Torvalds } 19901da177e4SLinus Torvalds 19911da177e4SLinus Torvalds int tul_xpad_out(HCS * pCurHcb) 19921da177e4SLinus Torvalds { 19931da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19941da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 19951da177e4SLinus Torvalds 19961da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { 19971da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ 19981da177e4SLinus Torvalds } 19991da177e4SLinus Torvalds for (;;) { 20001da177e4SLinus Torvalds if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) 20011da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); 20021da177e4SLinus Torvalds else 20031da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 20041da177e4SLinus Torvalds 20051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); 20061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20071da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 20081da177e4SLinus Torvalds return (-1); 20091da177e4SLinus Torvalds } 20101da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ 20111da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); 20121da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 20131da177e4SLinus Torvalds return (6); 20141da177e4SLinus Torvalds } 20151da177e4SLinus Torvalds } 20161da177e4SLinus Torvalds } 20171da177e4SLinus Torvalds 20181da177e4SLinus Torvalds 20191da177e4SLinus Torvalds /***************************************************************************/ 20201da177e4SLinus Torvalds int tul_status_msg(HCS * pCurHcb) 20211da177e4SLinus Torvalds { /* status & MSG_IN */ 20221da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 20231da177e4SLinus Torvalds BYTE msg; 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_CMD_COMP); 20261da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 20271da177e4SLinus Torvalds return (-1); 20281da177e4SLinus Torvalds } 20291da177e4SLinus Torvalds /* get status */ 20301da177e4SLinus Torvalds pCurScb->SCB_TaStat = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 20331da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 20341da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); 20351da177e4SLinus Torvalds } else { 20361da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); 20371da177e4SLinus Torvalds } 20381da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20391da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 20401da177e4SLinus Torvalds } 20411da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_IN) { 20421da177e4SLinus Torvalds msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 20431da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { /* Parity error */ 20441da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 20451da177e4SLinus Torvalds return (-1); 20461da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 20471da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); 20491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20501da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 20511da177e4SLinus Torvalds } 20521da177e4SLinus Torvalds if (msg == 0) { /* Command complete */ 20531da177e4SLinus Torvalds 20541da177e4SLinus Torvalds if ((pCurScb->SCB_TaStat & 0x18) == 0x10) { /* No link support */ 20551da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20561da177e4SLinus Torvalds } 20571da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 20581da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 20591da177e4SLinus Torvalds return tul_wait_done_disc(pCurHcb); 20601da177e4SLinus Torvalds 20611da177e4SLinus Torvalds } 20621da177e4SLinus Torvalds if ((msg == MSG_LINK_COMP) || (msg == MSG_LINK_FLAG)) { 20631da177e4SLinus Torvalds if ((pCurScb->SCB_TaStat & 0x18) == 0x10) 20641da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 20651da177e4SLinus Torvalds } 20661da177e4SLinus Torvalds } 20671da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20681da177e4SLinus Torvalds } 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvalds 20711da177e4SLinus Torvalds /***************************************************************************/ 20721da177e4SLinus Torvalds /* scsi bus free */ 20731da177e4SLinus Torvalds int int_tul_busfree(HCS * pCurHcb) 20741da177e4SLinus Torvalds { 20751da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 20761da177e4SLinus Torvalds 20771da177e4SLinus Torvalds if (pCurScb != NULL) { 20781da177e4SLinus Torvalds if (pCurScb->SCB_Status & SCB_SELECT) { /* selection timeout */ 20791da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 20801da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_SEL_TOUT; 20811da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 20821da177e4SLinus Torvalds } else { /* Unexpected bus free */ 20831da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurScb); 20841da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BUS_FREE; 20851da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 20861da177e4SLinus Torvalds } 20871da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 20881da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 20891da177e4SLinus Torvalds } 20901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 20911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 20921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 20931da177e4SLinus Torvalds return (-1); 20941da177e4SLinus Torvalds } 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds 20971da177e4SLinus Torvalds /***************************************************************************/ 20981da177e4SLinus Torvalds /* scsi bus reset */ 2099a2ba192cSAdrian Bunk static int int_tul_scsi_rst(HCS * pCurHcb) 21001da177e4SLinus Torvalds { 21011da177e4SLinus Torvalds SCB *pCurScb; 21021da177e4SLinus Torvalds int i; 21031da177e4SLinus Torvalds 21041da177e4SLinus Torvalds /* if DMA xfer is pending, abort DMA xfer */ 21051da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & 0x01) { 21061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); 21071da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 21081da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & 0x04) == 0); 21091da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 21101da177e4SLinus Torvalds } 21111da177e4SLinus Torvalds /* Abort all active & disconnected scb */ 21121da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 21131da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 21141da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 21151da177e4SLinus Torvalds } 21161da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 21171da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 21181da177e4SLinus Torvalds 21191da177e4SLinus Torvalds /* clr sync nego. done flag */ 21201da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { 21211da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 21221da177e4SLinus Torvalds } 21231da177e4SLinus Torvalds return (-1); 21241da177e4SLinus Torvalds } 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvalds 21271da177e4SLinus Torvalds /***************************************************************************/ 21281da177e4SLinus Torvalds /* scsi reselection */ 21291da177e4SLinus Torvalds int int_tul_resel(HCS * pCurHcb) 21301da177e4SLinus Torvalds { 21311da177e4SLinus Torvalds SCB *pCurScb; 21321da177e4SLinus Torvalds TCS *pCurTcb; 21331da177e4SLinus Torvalds BYTE tag, msg = 0; 21341da177e4SLinus Torvalds BYTE tar, lun; 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { 21371da177e4SLinus Torvalds if (pCurScb->SCB_Status & SCB_SELECT) { /* if waiting for selection complete */ 21381da177e4SLinus Torvalds pCurScb->SCB_Status &= ~SCB_SELECT; 21391da177e4SLinus Torvalds } 21401da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 21411da177e4SLinus Torvalds } 21421da177e4SLinus Torvalds /* --------- get target id---------------------- */ 21431da177e4SLinus Torvalds tar = TUL_RD(pCurHcb->HCS_Base, TUL_SBusId); 21441da177e4SLinus Torvalds /* ------ get LUN from Identify message----------- */ 21451da177e4SLinus Torvalds lun = TUL_RD(pCurHcb->HCS_Base, TUL_SIdent) & 0x0F; 21461da177e4SLinus Torvalds /* 07/22/98 from 0x1F -> 0x0F */ 21471da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[tar]; 21481da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = pCurTcb; 21491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 21501da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); 21511da177e4SLinus Torvalds 21521da177e4SLinus Torvalds 21531da177e4SLinus Torvalds /* ------------- tag queueing ? ------------------- */ 21541da177e4SLinus Torvalds if (pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG) { 21551da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21561da177e4SLinus Torvalds return (-1); 21571da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 21581da177e4SLinus Torvalds goto no_tag; 21591da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 21601da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 21611da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 21621da177e4SLinus Torvalds return (-1); 21631da177e4SLinus Torvalds msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag Message */ 21641da177e4SLinus Torvalds 21651da177e4SLinus Torvalds if ((msg < MSG_STAG) || (msg > MSG_OTAG)) /* Is simple Tag */ 21661da177e4SLinus Torvalds goto no_tag; 21671da177e4SLinus Torvalds 21681da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21691da177e4SLinus Torvalds return (-1); 21701da177e4SLinus Torvalds 21711da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 21721da177e4SLinus Torvalds goto no_tag; 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 21751da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 21761da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 21771da177e4SLinus Torvalds return (-1); 21781da177e4SLinus Torvalds tag = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag ID */ 21791da177e4SLinus Torvalds pCurScb = pCurHcb->HCS_Scb + tag; 21801da177e4SLinus Torvalds if ((pCurScb->SCB_Target != tar) || (pCurScb->SCB_Lun != lun)) { 21811da177e4SLinus Torvalds return tul_msgout_abort_tag(pCurHcb); 21821da177e4SLinus Torvalds } 21831da177e4SLinus Torvalds if (pCurScb->SCB_Status != SCB_BUSY) { /* 03/24/95 */ 21841da177e4SLinus Torvalds return tul_msgout_abort_tag(pCurHcb); 21851da177e4SLinus Torvalds } 21861da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 21871da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21881da177e4SLinus Torvalds return (-1); 21891da177e4SLinus Torvalds } else { /* No tag */ 21901da177e4SLinus Torvalds no_tag: 21911da177e4SLinus Torvalds if ((pCurScb = tul_find_busy_scb(pCurHcb, tar | (lun << 8))) == NULL) { 21921da177e4SLinus Torvalds return tul_msgout_abort_targ(pCurHcb); 21931da177e4SLinus Torvalds } 21941da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 21951da177e4SLinus Torvalds if (!(pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG)) { 21961da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21971da177e4SLinus Torvalds return (-1); 21981da177e4SLinus Torvalds } 21991da177e4SLinus Torvalds } 22001da177e4SLinus Torvalds return 0; 22011da177e4SLinus Torvalds } 22021da177e4SLinus Torvalds 22031da177e4SLinus Torvalds 22041da177e4SLinus Torvalds /***************************************************************************/ 2205a2ba192cSAdrian Bunk static int int_tul_bad_seq(HCS * pCurHcb) 22061da177e4SLinus Torvalds { /* target wrong phase */ 22071da177e4SLinus Torvalds SCB *pCurScb; 22081da177e4SLinus Torvalds int i; 22091da177e4SLinus Torvalds 22101da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 10); 22111da177e4SLinus Torvalds 22121da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 22131da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 22141da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 22151da177e4SLinus Torvalds } 22161da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { 22171da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 22181da177e4SLinus Torvalds } 22191da177e4SLinus Torvalds return (-1); 22201da177e4SLinus Torvalds } 22211da177e4SLinus Torvalds 22221da177e4SLinus Torvalds 22231da177e4SLinus Torvalds /***************************************************************************/ 22241da177e4SLinus Torvalds int tul_msgout_abort_targ(HCS * pCurHcb) 22251da177e4SLinus Torvalds { 22261da177e4SLinus Torvalds 22271da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22281da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) == -1) 22291da177e4SLinus Torvalds return (-1); 22301da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 22311da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 22321da177e4SLinus Torvalds 22331da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT); 22341da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 22351da177e4SLinus Torvalds 22361da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22371da177e4SLinus Torvalds } 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvalds /***************************************************************************/ 22401da177e4SLinus Torvalds int tul_msgout_abort_tag(HCS * pCurHcb) 22411da177e4SLinus Torvalds { 22421da177e4SLinus Torvalds 22431da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22441da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) == -1) 22451da177e4SLinus Torvalds return (-1); 22461da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 22471da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 22481da177e4SLinus Torvalds 22491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT_TAG); 22501da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 22511da177e4SLinus Torvalds 22521da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22531da177e4SLinus Torvalds 22541da177e4SLinus Torvalds } 22551da177e4SLinus Torvalds 22561da177e4SLinus Torvalds /***************************************************************************/ 22571da177e4SLinus Torvalds int tul_msgin(HCS * pCurHcb) 22581da177e4SLinus Torvalds { 22591da177e4SLinus Torvalds TCS *pCurTcb; 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvalds for (;;) { 22621da177e4SLinus Torvalds 22631da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 22641da177e4SLinus Torvalds 22651da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 22661da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 22671da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 22681da177e4SLinus Torvalds return (-1); 22691da177e4SLinus Torvalds 22701da177e4SLinus Torvalds switch (TUL_RD(pCurHcb->HCS_Base, TUL_SFifo)) { 22711da177e4SLinus Torvalds case MSG_DISC: /* Disconnect msg */ 22721da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 22731da177e4SLinus Torvalds 22741da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22751da177e4SLinus Torvalds 22761da177e4SLinus Torvalds case MSG_SDP: 22771da177e4SLinus Torvalds case MSG_RESTORE: 22781da177e4SLinus Torvalds case MSG_NOP: 22791da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22801da177e4SLinus Torvalds break; 22811da177e4SLinus Torvalds 22821da177e4SLinus Torvalds case MSG_REJ: /* Clear ATN first */ 22831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 22841da177e4SLinus Torvalds (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 22851da177e4SLinus Torvalds pCurTcb = pCurHcb->HCS_ActTcs; 22861da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync nego */ 22871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22881da177e4SLinus Torvalds } 22891da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22901da177e4SLinus Torvalds break; 22911da177e4SLinus Torvalds 22921da177e4SLinus Torvalds case MSG_EXTEND: /* extended msg */ 22931da177e4SLinus Torvalds tul_msgin_extend(pCurHcb); 22941da177e4SLinus Torvalds break; 22951da177e4SLinus Torvalds 22961da177e4SLinus Torvalds case MSG_IGNOREWIDE: 22971da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22981da177e4SLinus Torvalds break; 22991da177e4SLinus Torvalds 23001da177e4SLinus Torvalds /* get */ 23011da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23021da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23031da177e4SLinus Torvalds return -1; 23041da177e4SLinus Torvalds 23051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); /* put pad */ 23061da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get IGNORE field */ 23071da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get pad */ 23081da177e4SLinus Torvalds 23091da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 23101da177e4SLinus Torvalds break; 23111da177e4SLinus Torvalds 23121da177e4SLinus Torvalds case MSG_COMP: 23131da177e4SLinus Torvalds { 23141da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 23151da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 23161da177e4SLinus Torvalds return tul_wait_done_disc(pCurHcb); 23171da177e4SLinus Torvalds } 23181da177e4SLinus Torvalds default: 23191da177e4SLinus Torvalds tul_msgout_reject(pCurHcb); 23201da177e4SLinus Torvalds break; 23211da177e4SLinus Torvalds } 23221da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 23231da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23241da177e4SLinus Torvalds } 23251da177e4SLinus Torvalds /* statement won't reach here */ 23261da177e4SLinus Torvalds } 23271da177e4SLinus Torvalds 23281da177e4SLinus Torvalds 23291da177e4SLinus Torvalds 23301da177e4SLinus Torvalds 23311da177e4SLinus Torvalds /***************************************************************************/ 23321da177e4SLinus Torvalds int tul_msgout_reject(HCS * pCurHcb) 23331da177e4SLinus Torvalds { 23341da177e4SLinus Torvalds 23351da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 23361da177e4SLinus Torvalds 23371da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 23381da177e4SLinus Torvalds return (-1); 23391da177e4SLinus Torvalds 23401da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 23411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_REJ); /* Msg reject */ 23421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 23431da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 23441da177e4SLinus Torvalds } 23451da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23461da177e4SLinus Torvalds } 23471da177e4SLinus Torvalds 23481da177e4SLinus Torvalds 23491da177e4SLinus Torvalds 23501da177e4SLinus Torvalds /***************************************************************************/ 23511da177e4SLinus Torvalds int tul_msgout_ide(HCS * pCurHcb) 23521da177e4SLinus Torvalds { 23531da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_IDE); /* Initiator Detected Error */ 23541da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 23551da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 23561da177e4SLinus Torvalds } 23571da177e4SLinus Torvalds 23581da177e4SLinus Torvalds 23591da177e4SLinus Torvalds /***************************************************************************/ 23601da177e4SLinus Torvalds int tul_msgin_extend(HCS * pCurHcb) 23611da177e4SLinus Torvalds { 23621da177e4SLinus Torvalds BYTE len, idx; 23631da177e4SLinus Torvalds 23641da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) != MSG_IN) 23651da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23661da177e4SLinus Torvalds 23671da177e4SLinus Torvalds /* Get extended msg length */ 23681da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 23691da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23701da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23711da177e4SLinus Torvalds return (-1); 23721da177e4SLinus Torvalds 23731da177e4SLinus Torvalds len = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 23741da177e4SLinus Torvalds pCurHcb->HCS_Msg[0] = len; 23751da177e4SLinus Torvalds for (idx = 1; len != 0; len--) { 23761da177e4SLinus Torvalds 23771da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) != MSG_IN) 23781da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23791da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 23801da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23811da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23821da177e4SLinus Torvalds return (-1); 23831da177e4SLinus Torvalds pCurHcb->HCS_Msg[idx++] = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 23841da177e4SLinus Torvalds } 23851da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[1] == 1) { /* if it's synchronous data transfer request */ 23861da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[0] != 3) /* if length is not right */ 23871da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 23881da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ 23891da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 23901da177e4SLinus Torvalds } else { 23911da177e4SLinus Torvalds if ((tul_msgin_sync(pCurHcb) == 0) && 23921da177e4SLinus Torvalds (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SYNC_DONE)) { 23931da177e4SLinus Torvalds tul_sync_done(pCurHcb); 23941da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 23951da177e4SLinus Torvalds } 23961da177e4SLinus Torvalds } 23971da177e4SLinus Torvalds 23981da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 23991da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) != MSG_OUT) 24001da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 24011da177e4SLinus Torvalds /* sync msg out */ 24021da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 24031da177e4SLinus Torvalds 24041da177e4SLinus Torvalds tul_sync_done(pCurHcb); 24051da177e4SLinus Torvalds 24061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 24071da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); 24081da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); 24091da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); 24101da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[3]); 24111da177e4SLinus Torvalds 24121da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 24131da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 24141da177e4SLinus Torvalds } 24151da177e4SLinus Torvalds if ((pCurHcb->HCS_Msg[0] != 2) || (pCurHcb->HCS_Msg[1] != 3)) 24161da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 24171da177e4SLinus Torvalds /* if it's WIDE DATA XFER REQ */ 24181da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) { 24191da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = 0; 24201da177e4SLinus Torvalds } else { 24211da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] > 2) /* > 32 bits */ 24221da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 24231da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] == 2) { /* == 32 */ 24241da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = 1; 24251da177e4SLinus Torvalds } else { 24261da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) == 0) { 24271da177e4SLinus Torvalds wdtr_done(pCurHcb); 24281da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTcs->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) 24291da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 24301da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 24311da177e4SLinus Torvalds } 24321da177e4SLinus Torvalds } 24331da177e4SLinus Torvalds } 24341da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 24351da177e4SLinus Torvalds 24361da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) != MSG_OUT) 24371da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 24381da177e4SLinus Torvalds /* WDTR msg out */ 24391da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 24401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); 24411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); 24421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); 24431da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 24441da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 24451da177e4SLinus Torvalds } 24461da177e4SLinus Torvalds 24471da177e4SLinus Torvalds /***************************************************************************/ 24481da177e4SLinus Torvalds int tul_msgin_sync(HCS * pCurHcb) 24491da177e4SLinus Torvalds { 24501da177e4SLinus Torvalds char default_period; 24511da177e4SLinus Torvalds 24521da177e4SLinus Torvalds default_period = tul_rate_tbl[pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SCSI_RATE]; 24531da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3] > MAX_OFFSET) { 24541da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = MAX_OFFSET; 24551da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] < default_period) { 24561da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = default_period; 24571da177e4SLinus Torvalds return 1; 24581da177e4SLinus Torvalds } 24591da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] >= 59) { /* Change to async */ 24601da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 24611da177e4SLinus Torvalds } 24621da177e4SLinus Torvalds return 1; 24631da177e4SLinus Torvalds } 24641da177e4SLinus Torvalds /* offset requests asynchronous transfers ? */ 24651da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3] == 0) { 24661da177e4SLinus Torvalds return 0; 24671da177e4SLinus Torvalds } 24681da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] < default_period) { 24691da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = default_period; 24701da177e4SLinus Torvalds return 1; 24711da177e4SLinus Torvalds } 24721da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] >= 59) { 24731da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 24741da177e4SLinus Torvalds return 1; 24751da177e4SLinus Torvalds } 24761da177e4SLinus Torvalds return 0; 24771da177e4SLinus Torvalds } 24781da177e4SLinus Torvalds 24791da177e4SLinus Torvalds 24801da177e4SLinus Torvalds /***************************************************************************/ 24811da177e4SLinus Torvalds int wdtr_done(HCS * pCurHcb) 24821da177e4SLinus Torvalds { 24831da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags &= ~TCF_SYNC_DONE; 24841da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_WDTR_DONE; 24851da177e4SLinus Torvalds 24861da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period = 0; 24871da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2]) { /* if 16 bit */ 24881da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= TSC_WIDE_SCSI; 24891da177e4SLinus Torvalds } 24901da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_SConfig0 &= ~TSC_ALT_PERIOD; 24911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); 24921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); 24931da177e4SLinus Torvalds 24941da177e4SLinus Torvalds return 1; 24951da177e4SLinus Torvalds } 24961da177e4SLinus Torvalds 24971da177e4SLinus Torvalds /***************************************************************************/ 24981da177e4SLinus Torvalds int tul_sync_done(HCS * pCurHcb) 24991da177e4SLinus Torvalds { 25001da177e4SLinus Torvalds int i; 25011da177e4SLinus Torvalds 25021da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_SYNC_DONE; 25031da177e4SLinus Torvalds 25041da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3]) { 25051da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= pCurHcb->HCS_Msg[3]; 25061da177e4SLinus Torvalds for (i = 0; i < 8; i++) { 25071da177e4SLinus Torvalds if (tul_rate_tbl[i] >= pCurHcb->HCS_Msg[2]) /* pick the big one */ 25081da177e4SLinus Torvalds break; 25091da177e4SLinus Torvalds } 25101da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= (i << 4); 25111da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_SConfig0 |= TSC_ALT_PERIOD; 25121da177e4SLinus Torvalds } 25131da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); 25141da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); 25151da177e4SLinus Torvalds 25161da177e4SLinus Torvalds return (-1); 25171da177e4SLinus Torvalds } 25181da177e4SLinus Torvalds 25191da177e4SLinus Torvalds 25201da177e4SLinus Torvalds int tul_post_scsi_rst(HCS * pCurHcb) 25211da177e4SLinus Torvalds { 25221da177e4SLinus Torvalds SCB *pCurScb; 25231da177e4SLinus Torvalds TCS *pCurTcb; 25241da177e4SLinus Torvalds int i; 25251da177e4SLinus Torvalds 25261da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 25271da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 25281da177e4SLinus Torvalds pCurHcb->HCS_Flags = 0; 25291da177e4SLinus Torvalds 25301da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 25311da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 25321da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 25331da177e4SLinus Torvalds } 25341da177e4SLinus Torvalds /* clear sync done flag */ 25351da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[0]; 25361da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; pCurTcb++, i++) { 25371da177e4SLinus Torvalds pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 25381da177e4SLinus Torvalds /* Initialize the sync. xfer register values to an asyn xfer */ 25391da177e4SLinus Torvalds pCurTcb->TCS_JS_Period = 0; 25401da177e4SLinus Torvalds pCurTcb->TCS_SConfig0 = pCurHcb->HCS_SConf1; 25411da177e4SLinus Torvalds pCurHcb->HCS_ActTags[0] = 0; /* 07/22/98 */ 25421da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; /* 07/22/98 */ 25431da177e4SLinus Torvalds } /* for */ 25441da177e4SLinus Torvalds 25451da177e4SLinus Torvalds return (-1); 25461da177e4SLinus Torvalds } 25471da177e4SLinus Torvalds 25481da177e4SLinus Torvalds /***************************************************************************/ 25491da177e4SLinus Torvalds void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb) 25501da177e4SLinus Torvalds { 25511da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25521da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x1; 25531da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25541da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25551da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SELATNSTOP); 25561da177e4SLinus Torvalds return; 25571da177e4SLinus Torvalds } 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds 25601da177e4SLinus Torvalds /***************************************************************************/ 25611da177e4SLinus Torvalds void tul_select_atn(HCS * pCurHcb, SCB * pCurScb) 25621da177e4SLinus Torvalds { 25631da177e4SLinus Torvalds int i; 25641da177e4SLinus Torvalds 25651da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25661da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x2; 25671da177e4SLinus Torvalds 25681da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 25691da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 25701da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 25711da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25721da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25731da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN); 25741da177e4SLinus Torvalds return; 25751da177e4SLinus Torvalds } 25761da177e4SLinus Torvalds 25771da177e4SLinus Torvalds /***************************************************************************/ 25781da177e4SLinus Torvalds void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb) 25791da177e4SLinus Torvalds { 25801da177e4SLinus Torvalds int i; 25811da177e4SLinus Torvalds 25821da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25831da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x2; 25841da177e4SLinus Torvalds 25851da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 25861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); 25871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); 25881da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 25891da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 25901da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25911da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN3); 25931da177e4SLinus Torvalds return; 25941da177e4SLinus Torvalds } 25951da177e4SLinus Torvalds 25961da177e4SLinus Torvalds /***************************************************************************/ 25971da177e4SLinus Torvalds /* SCSI Bus Device Reset */ 25981da177e4SLinus Torvalds int tul_bus_device_reset(HCS * pCurHcb) 25991da177e4SLinus Torvalds { 26001da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 26011da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 26021da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 26031da177e4SLinus Torvalds BYTE tar; 26041da177e4SLinus Torvalds 26051da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) { 26061da177e4SLinus Torvalds return (int_tul_bad_seq(pCurHcb)); /* Unexpected phase */ 26071da177e4SLinus Torvalds } 26081da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 26091da177e4SLinus Torvalds tul_release_scb(pCurHcb, pCurScb); 26101da177e4SLinus Torvalds 26111da177e4SLinus Torvalds 26121da177e4SLinus Torvalds tar = pCurScb->SCB_Target; /* target */ 26131da177e4SLinus Torvalds pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY); 26141da177e4SLinus Torvalds /* clr sync. nego & WDTR flags 07/22/98 */ 26151da177e4SLinus Torvalds 26161da177e4SLinus Torvalds /* abort all SCB with same target */ 26171da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 26181da177e4SLinus Torvalds while (pTmpScb != NULL) { 26191da177e4SLinus Torvalds 26201da177e4SLinus Torvalds if (pTmpScb->SCB_Target == tar) { 26211da177e4SLinus Torvalds /* unlink it */ 26221da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 26231da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 26241da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 26251da177e4SLinus Torvalds } else { 26261da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 26271da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 26281da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 26291da177e4SLinus Torvalds } 26301da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 26311da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pTmpScb); 26321da177e4SLinus Torvalds } 26331da177e4SLinus Torvalds /* Previous haven't change */ 26341da177e4SLinus Torvalds else { 26351da177e4SLinus Torvalds pPrevScb = pTmpScb; 26361da177e4SLinus Torvalds } 26371da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 26381da177e4SLinus Torvalds } 26391da177e4SLinus Torvalds 26401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_DEVRST); 26411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 26421da177e4SLinus Torvalds 26431da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 26441da177e4SLinus Torvalds 26451da177e4SLinus Torvalds } 26461da177e4SLinus Torvalds 26471da177e4SLinus Torvalds /***************************************************************************/ 26481da177e4SLinus Torvalds int tul_msgin_accept(HCS * pCurHcb) 26491da177e4SLinus Torvalds { 26501da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 26511da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 26521da177e4SLinus Torvalds } 26531da177e4SLinus Torvalds 26541da177e4SLinus Torvalds /***************************************************************************/ 26551da177e4SLinus Torvalds int wait_tulip(HCS * pCurHcb) 26561da177e4SLinus Torvalds { 26571da177e4SLinus Torvalds 26581da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 26591da177e4SLinus Torvalds & TSS_INT_PENDING)); 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 26621da177e4SLinus Torvalds pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; 26631da177e4SLinus Torvalds pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); 26641da177e4SLinus Torvalds 26651da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if SCSI bus reset detected */ 26661da177e4SLinus Torvalds return (int_tul_resel(pCurHcb)); 26671da177e4SLinus Torvalds } 26681da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { /* if selected/reselected timeout interrupt */ 26691da177e4SLinus Torvalds return (int_tul_busfree(pCurHcb)); 26701da177e4SLinus Torvalds } 26711da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 26721da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 26731da177e4SLinus Torvalds } 26741da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 26751da177e4SLinus Torvalds if (pCurHcb->HCS_Flags & HCF_EXPECT_DONE_DISC) { 26761da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 26771da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); 26781da177e4SLinus Torvalds pCurHcb->HCS_ActScb->SCB_HaStat = 0; 26791da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); 26801da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 26811da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 26821da177e4SLinus Torvalds pCurHcb->HCS_Flags &= ~HCF_EXPECT_DONE_DISC; 26831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 26841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 26851da177e4SLinus Torvalds return (-1); 26861da177e4SLinus Torvalds } 26871da177e4SLinus Torvalds if (pCurHcb->HCS_Flags & HCF_EXPECT_DISC) { 26881da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 26891da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 26901da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 26911da177e4SLinus Torvalds pCurHcb->HCS_Flags &= ~HCF_EXPECT_DISC; 26921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 26931da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 26941da177e4SLinus Torvalds return (-1); 26951da177e4SLinus Torvalds } 26961da177e4SLinus Torvalds return (int_tul_busfree(pCurHcb)); 26971da177e4SLinus Torvalds } 26981da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { 26991da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 27001da177e4SLinus Torvalds } 27011da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 27021da177e4SLinus Torvalds } 27031da177e4SLinus Torvalds /***************************************************************************/ 27041da177e4SLinus Torvalds int tul_wait_disc(HCS * pCurHcb) 27051da177e4SLinus Torvalds { 27061da177e4SLinus Torvalds 27071da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 27081da177e4SLinus Torvalds & TSS_INT_PENDING)); 27091da177e4SLinus Torvalds 27101da177e4SLinus Torvalds 27111da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 27121da177e4SLinus Torvalds 27131da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 27141da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 27151da177e4SLinus Torvalds } 27161da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 27171da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 27181da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 27191da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 27201da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 27211da177e4SLinus Torvalds return (-1); 27221da177e4SLinus Torvalds } 27231da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 27241da177e4SLinus Torvalds } 27251da177e4SLinus Torvalds 27261da177e4SLinus Torvalds /***************************************************************************/ 27271da177e4SLinus Torvalds int tul_wait_done_disc(HCS * pCurHcb) 27281da177e4SLinus Torvalds { 27291da177e4SLinus Torvalds 27301da177e4SLinus Torvalds 27311da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 27321da177e4SLinus Torvalds & TSS_INT_PENDING)); 27331da177e4SLinus Torvalds 27341da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 27351da177e4SLinus Torvalds 27361da177e4SLinus Torvalds 27371da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 27381da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 27391da177e4SLinus Torvalds } 27401da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 27411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 27421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 27431da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 27441da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); 27451da177e4SLinus Torvalds 27461da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); 27471da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 27481da177e4SLinus Torvalds return (-1); 27491da177e4SLinus Torvalds } 27501da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 27511da177e4SLinus Torvalds } 27521da177e4SLinus Torvalds 27531da177e4SLinus Torvalds static irqreturn_t i91u_intr(int irqno, void *dev_id, struct pt_regs *regs) 27541da177e4SLinus Torvalds { 27551da177e4SLinus Torvalds struct Scsi_Host *dev = dev_id; 27561da177e4SLinus Torvalds unsigned long flags; 27571da177e4SLinus Torvalds 27581da177e4SLinus Torvalds spin_lock_irqsave(dev->host_lock, flags); 27591da177e4SLinus Torvalds tul_isr((HCS *)dev->base); 27601da177e4SLinus Torvalds spin_unlock_irqrestore(dev->host_lock, flags); 27611da177e4SLinus Torvalds return IRQ_HANDLED; 27621da177e4SLinus Torvalds } 27631da177e4SLinus Torvalds 27641da177e4SLinus Torvalds static int tul_NewReturnNumberOfAdapters(void) 27651da177e4SLinus Torvalds { 27661da177e4SLinus Torvalds struct pci_dev *pDev = NULL; /* Start from none */ 27671da177e4SLinus Torvalds int iAdapters = 0; 27681da177e4SLinus Torvalds long dRegValue; 27691da177e4SLinus Torvalds WORD wBIOS; 27701da177e4SLinus Torvalds int i = 0; 27711da177e4SLinus Torvalds 27721da177e4SLinus Torvalds init_i91uAdapter_table(); 27731da177e4SLinus Torvalds 27741da177e4SLinus Torvalds for (i = 0; i < TULSZ(i91u_pci_devices); i++) 27751da177e4SLinus Torvalds { 27761da177e4SLinus Torvalds while ((pDev = pci_find_device(i91u_pci_devices[i].vendor_id, i91u_pci_devices[i].device_id, pDev)) != NULL) { 27771da177e4SLinus Torvalds if (pci_enable_device(pDev)) 27781da177e4SLinus Torvalds continue; 27791da177e4SLinus Torvalds pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue); 27801da177e4SLinus Torvalds wBIOS = (UWORD) (dRegValue & 0xFF); 27811da177e4SLinus Torvalds if (((dRegValue & 0xFF00) >> 8) == 0xFF) 27821da177e4SLinus Torvalds dRegValue = 0; 27831da177e4SLinus Torvalds wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8)); 2784910638aeSMatthias Gehre if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) { 27851da177e4SLinus Torvalds printk(KERN_WARNING 27861da177e4SLinus Torvalds "i91u: Could not set 32 bit DMA mask\n"); 27871da177e4SLinus Torvalds continue; 27881da177e4SLinus Torvalds } 27891da177e4SLinus Torvalds 27901da177e4SLinus Torvalds if (Addi91u_into_Adapter_table(wBIOS, 27911da177e4SLinus Torvalds (pDev->resource[0].start), 27921da177e4SLinus Torvalds pDev->irq, 27931da177e4SLinus Torvalds pDev->bus->number, 27941da177e4SLinus Torvalds (pDev->devfn >> 3) 27951da177e4SLinus Torvalds ) == 0) 27961da177e4SLinus Torvalds iAdapters++; 27971da177e4SLinus Torvalds } 27981da177e4SLinus Torvalds } 27991da177e4SLinus Torvalds 28001da177e4SLinus Torvalds return (iAdapters); 28011da177e4SLinus Torvalds } 28021da177e4SLinus Torvalds 28031da177e4SLinus Torvalds static int i91u_detect(struct scsi_host_template * tpnt) 28041da177e4SLinus Torvalds { 28051da177e4SLinus Torvalds HCS *pHCB; 28061da177e4SLinus Torvalds struct Scsi_Host *hreg; 28071da177e4SLinus Torvalds unsigned long i; /* 01/14/98 */ 28081da177e4SLinus Torvalds int ok = 0, iAdapters; 28091da177e4SLinus Torvalds ULONG dBiosAdr; 28101da177e4SLinus Torvalds BYTE *pbBiosAdr; 28111da177e4SLinus Torvalds 28121da177e4SLinus Torvalds /* Get total number of adapters in the motherboard */ 28131da177e4SLinus Torvalds iAdapters = tul_NewReturnNumberOfAdapters(); 28141da177e4SLinus Torvalds if (iAdapters == 0) /* If no tulip founded, return */ 28151da177e4SLinus Torvalds return (0); 28161da177e4SLinus Torvalds 28171da177e4SLinus Torvalds tul_num_ch = (iAdapters > tul_num_ch) ? tul_num_ch : iAdapters; 28181da177e4SLinus Torvalds /* Update actually channel number */ 28191da177e4SLinus Torvalds if (tul_tag_enable) { /* 1.01i */ 28201da177e4SLinus Torvalds tul_num_scb = MAX_TARGETS * i91u_MAXQUEUE; 28211da177e4SLinus Torvalds } else { 28221da177e4SLinus Torvalds tul_num_scb = MAX_TARGETS + 3; /* 1-tape, 1-CD_ROM, 1- extra */ 28231da177e4SLinus Torvalds } /* Update actually SCBs per adapter */ 28241da177e4SLinus Torvalds 28251da177e4SLinus Torvalds /* Get total memory needed for HCS */ 28261da177e4SLinus Torvalds i = tul_num_ch * sizeof(HCS); 28271da177e4SLinus Torvalds memset((unsigned char *) &tul_hcs[0], 0, i); /* Initialize tul_hcs 0 */ 28281da177e4SLinus Torvalds /* Get total memory needed for SCB */ 28291da177e4SLinus Torvalds 28301da177e4SLinus Torvalds for (; tul_num_scb >= MAX_TARGETS + 3; tul_num_scb--) { 28311da177e4SLinus Torvalds i = tul_num_ch * tul_num_scb * sizeof(SCB); 28321da177e4SLinus Torvalds if ((tul_scb = (SCB *) kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL) 28331da177e4SLinus Torvalds break; 28341da177e4SLinus Torvalds } 28351da177e4SLinus Torvalds if (tul_scb == NULL) { 28361da177e4SLinus Torvalds printk("i91u: SCB memory allocation error\n"); 28371da177e4SLinus Torvalds return (0); 28381da177e4SLinus Torvalds } 28391da177e4SLinus Torvalds memset((unsigned char *) tul_scb, 0, i); 28401da177e4SLinus Torvalds 28411da177e4SLinus Torvalds for (i = 0, pHCB = &tul_hcs[0]; /* Get pointer for control block */ 28421da177e4SLinus Torvalds i < tul_num_ch; 28431da177e4SLinus Torvalds i++, pHCB++) { 28441da177e4SLinus Torvalds get_tulipPCIConfig(pHCB, i); 28451da177e4SLinus Torvalds 28461da177e4SLinus Torvalds dBiosAdr = pHCB->HCS_BIOS; 28471da177e4SLinus Torvalds dBiosAdr = (dBiosAdr << 4); 28481da177e4SLinus Torvalds 28491da177e4SLinus Torvalds pbBiosAdr = phys_to_virt(dBiosAdr); 28501da177e4SLinus Torvalds 28511da177e4SLinus Torvalds init_tulip(pHCB, tul_scb + (i * tul_num_scb), tul_num_scb, pbBiosAdr, 10); 28521da177e4SLinus Torvalds request_region(pHCB->HCS_Base, 256, "i91u"); /* Register */ 28531da177e4SLinus Torvalds 28541da177e4SLinus Torvalds pHCB->HCS_Index = i; /* 7/29/98 */ 28551da177e4SLinus Torvalds hreg = scsi_register(tpnt, sizeof(HCS)); 28561da177e4SLinus Torvalds if(hreg == NULL) { 28571da177e4SLinus Torvalds release_region(pHCB->HCS_Base, 256); 28581da177e4SLinus Torvalds return 0; 28591da177e4SLinus Torvalds } 28601da177e4SLinus Torvalds hreg->io_port = pHCB->HCS_Base; 28611da177e4SLinus Torvalds hreg->n_io_port = 0xff; 28621da177e4SLinus Torvalds hreg->can_queue = tul_num_scb; /* 03/05/98 */ 28631da177e4SLinus Torvalds hreg->unique_id = pHCB->HCS_Base; 28641da177e4SLinus Torvalds hreg->max_id = pHCB->HCS_MaxTar; 28651da177e4SLinus Torvalds hreg->max_lun = 32; /* 10/21/97 */ 28661da177e4SLinus Torvalds hreg->irq = pHCB->HCS_Intr; 28671da177e4SLinus Torvalds hreg->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */ 28681da177e4SLinus Torvalds hreg->base = (unsigned long)pHCB; 28691da177e4SLinus Torvalds hreg->sg_tablesize = TOTAL_SG_ENTRY; /* Maximun support is 32 */ 28701da177e4SLinus Torvalds 28711da177e4SLinus Torvalds /* Initial tulip chip */ 28721da177e4SLinus Torvalds ok = request_irq(pHCB->HCS_Intr, i91u_intr, SA_INTERRUPT | SA_SHIRQ, "i91u", hreg); 28731da177e4SLinus Torvalds if (ok < 0) { 28741da177e4SLinus Torvalds printk(KERN_WARNING "i91u: unable to request IRQ %d\n\n", pHCB->HCS_Intr); 28751da177e4SLinus Torvalds return 0; 28761da177e4SLinus Torvalds } 28771da177e4SLinus Torvalds } 28781da177e4SLinus Torvalds 28791da177e4SLinus Torvalds tpnt->this_id = -1; 28801da177e4SLinus Torvalds tpnt->can_queue = 1; 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvalds return 1; 28831da177e4SLinus Torvalds } 28841da177e4SLinus Torvalds 28851da177e4SLinus Torvalds static void i91uBuildSCB(HCS * pHCB, SCB * pSCB, struct scsi_cmnd * SCpnt) 28861da177e4SLinus Torvalds { /* Create corresponding SCB */ 28871da177e4SLinus Torvalds struct scatterlist *pSrbSG; 28881da177e4SLinus Torvalds SG *pSG; /* Pointer to SG list */ 28891da177e4SLinus Torvalds int i; 28901da177e4SLinus Torvalds long TotalLen; 28911da177e4SLinus Torvalds dma_addr_t dma_addr; 28921da177e4SLinus Torvalds 28931da177e4SLinus Torvalds pSCB->SCB_Post = i91uSCBPost; /* i91u's callback routine */ 28941da177e4SLinus Torvalds pSCB->SCB_Srb = SCpnt; 28951da177e4SLinus Torvalds pSCB->SCB_Opcode = ExecSCSI; 28961da177e4SLinus Torvalds pSCB->SCB_Flags = SCF_POST; /* After SCSI done, call post routine */ 28971da177e4SLinus Torvalds pSCB->SCB_Target = SCpnt->device->id; 28981da177e4SLinus Torvalds pSCB->SCB_Lun = SCpnt->device->lun; 28991da177e4SLinus Torvalds pSCB->SCB_Ident = SCpnt->device->lun | DISC_ALLOW; 29001da177e4SLinus Torvalds 29011da177e4SLinus Torvalds pSCB->SCB_Flags |= SCF_SENSE; /* Turn on auto request sense */ 29021da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->sense_buffer, 29031da177e4SLinus Torvalds SENSE_SIZE, DMA_FROM_DEVICE); 29041da177e4SLinus Torvalds pSCB->SCB_SensePtr = cpu_to_le32((u32)dma_addr); 29051da177e4SLinus Torvalds pSCB->SCB_SenseLen = cpu_to_le32(SENSE_SIZE); 29061da177e4SLinus Torvalds SCpnt->SCp.ptr = (char *)(unsigned long)dma_addr; 29071da177e4SLinus Torvalds 29081da177e4SLinus Torvalds pSCB->SCB_CDBLen = SCpnt->cmd_len; 29091da177e4SLinus Torvalds pSCB->SCB_HaStat = 0; 29101da177e4SLinus Torvalds pSCB->SCB_TaStat = 0; 29111da177e4SLinus Torvalds memcpy(&pSCB->SCB_CDB[0], &SCpnt->cmnd, SCpnt->cmd_len); 29121da177e4SLinus Torvalds 29131da177e4SLinus Torvalds if (SCpnt->device->tagged_supported) { /* Tag Support */ 29141da177e4SLinus Torvalds pSCB->SCB_TagMsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ 29151da177e4SLinus Torvalds } else { 29161da177e4SLinus Torvalds pSCB->SCB_TagMsg = 0; /* No tag support */ 29171da177e4SLinus Torvalds } 29181da177e4SLinus Torvalds /* todo handle map_sg error */ 29191da177e4SLinus Torvalds if (SCpnt->use_sg) { 29201da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, &pSCB->SCB_SGList[0], 29211da177e4SLinus Torvalds sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, 29221da177e4SLinus Torvalds DMA_BIDIRECTIONAL); 29231da177e4SLinus Torvalds pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); 29241da177e4SLinus Torvalds SCpnt->SCp.dma_handle = dma_addr; 29251da177e4SLinus Torvalds 29261da177e4SLinus Torvalds pSrbSG = (struct scatterlist *) SCpnt->request_buffer; 29271da177e4SLinus Torvalds pSCB->SCB_SGLen = dma_map_sg(&pHCB->pci_dev->dev, pSrbSG, 29281da177e4SLinus Torvalds SCpnt->use_sg, SCpnt->sc_data_direction); 29291da177e4SLinus Torvalds 29301da177e4SLinus Torvalds pSCB->SCB_Flags |= SCF_SG; /* Turn on SG list flag */ 29311da177e4SLinus Torvalds for (i = 0, TotalLen = 0, pSG = &pSCB->SCB_SGList[0]; /* 1.01g */ 29321da177e4SLinus Torvalds i < pSCB->SCB_SGLen; i++, pSG++, pSrbSG++) { 29331da177e4SLinus Torvalds pSG->SG_Ptr = cpu_to_le32((u32)sg_dma_address(pSrbSG)); 29341da177e4SLinus Torvalds TotalLen += pSG->SG_Len = cpu_to_le32((u32)sg_dma_len(pSrbSG)); 29351da177e4SLinus Torvalds } 29361da177e4SLinus Torvalds 29371da177e4SLinus Torvalds pSCB->SCB_BufLen = (SCpnt->request_bufflen > TotalLen) ? 29381da177e4SLinus Torvalds TotalLen : SCpnt->request_bufflen; 29391da177e4SLinus Torvalds } else if (SCpnt->request_bufflen) { /* Non SG */ 29401da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->request_buffer, 29411da177e4SLinus Torvalds SCpnt->request_bufflen, 29421da177e4SLinus Torvalds SCpnt->sc_data_direction); 29431da177e4SLinus Torvalds SCpnt->SCp.dma_handle = dma_addr; 29441da177e4SLinus Torvalds pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); 29451da177e4SLinus Torvalds pSCB->SCB_BufLen = cpu_to_le32((u32)SCpnt->request_bufflen); 29461da177e4SLinus Torvalds pSCB->SCB_SGLen = 0; 29471da177e4SLinus Torvalds } else { 29481da177e4SLinus Torvalds pSCB->SCB_BufLen = 0; 29491da177e4SLinus Torvalds pSCB->SCB_SGLen = 0; 29501da177e4SLinus Torvalds } 29511da177e4SLinus Torvalds } 29521da177e4SLinus Torvalds 29531da177e4SLinus Torvalds static int i91u_queuecommand(struct scsi_cmnd *cmd, 29541da177e4SLinus Torvalds void (*done)(struct scsi_cmnd *)) 29551da177e4SLinus Torvalds { 29561da177e4SLinus Torvalds HCS *pHCB = (HCS *) cmd->device->host->base; 29571da177e4SLinus Torvalds register SCB *pSCB; 29581da177e4SLinus Torvalds 29591da177e4SLinus Torvalds cmd->scsi_done = done; 29601da177e4SLinus Torvalds 29611da177e4SLinus Torvalds pSCB = tul_alloc_scb(pHCB); 29621da177e4SLinus Torvalds if (!pSCB) 29631da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 29641da177e4SLinus Torvalds 29651da177e4SLinus Torvalds i91uBuildSCB(pHCB, pSCB, cmd); 29661da177e4SLinus Torvalds tul_exec_scb(pHCB, pSCB); 29671da177e4SLinus Torvalds return 0; 29681da177e4SLinus Torvalds } 29691da177e4SLinus Torvalds 29701da177e4SLinus Torvalds #if 0 /* no new EH yet */ 29711da177e4SLinus Torvalds /* 29721da177e4SLinus Torvalds * Abort a queued command 29731da177e4SLinus Torvalds * (commands that are on the bus can't be aborted easily) 29741da177e4SLinus Torvalds */ 29751da177e4SLinus Torvalds static int i91u_abort(struct scsi_cmnd * SCpnt) 29761da177e4SLinus Torvalds { 29771da177e4SLinus Torvalds HCS *pHCB; 29781da177e4SLinus Torvalds 29791da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 29801da177e4SLinus Torvalds return tul_abort_srb(pHCB, SCpnt); 29811da177e4SLinus Torvalds } 29821da177e4SLinus Torvalds 29831da177e4SLinus Torvalds /* 29841da177e4SLinus Torvalds * Reset registers, reset a hanging bus and 29851da177e4SLinus Torvalds * kill active and disconnected commands for target w/o soft reset 29861da177e4SLinus Torvalds */ 29871da177e4SLinus Torvalds static int i91u_reset(struct scsi_cmnd * SCpnt, unsigned int reset_flags) 29881da177e4SLinus Torvalds { /* I need Host Control Block Information */ 29891da177e4SLinus Torvalds HCS *pHCB; 29901da177e4SLinus Torvalds 29911da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 29921da177e4SLinus Torvalds 29931da177e4SLinus Torvalds if (reset_flags & (SCSI_RESET_SUGGEST_BUS_RESET | SCSI_RESET_SUGGEST_HOST_RESET)) 29941da177e4SLinus Torvalds return tul_reset_scsi_bus(pHCB); 29951da177e4SLinus Torvalds else 29961da177e4SLinus Torvalds return tul_device_reset(pHCB, SCpnt, SCpnt->device->id, reset_flags); 29971da177e4SLinus Torvalds } 29981da177e4SLinus Torvalds #endif 29991da177e4SLinus Torvalds 30001da177e4SLinus Torvalds static int i91u_bus_reset(struct scsi_cmnd * SCpnt) 30011da177e4SLinus Torvalds { 30021da177e4SLinus Torvalds HCS *pHCB; 30031da177e4SLinus Torvalds 30041da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 300568b3aa7cSJeff Garzik 300668b3aa7cSJeff Garzik spin_lock_irq(SCpnt->device->host->host_lock); 30071da177e4SLinus Torvalds tul_reset_scsi(pHCB, 0); 300868b3aa7cSJeff Garzik spin_unlock_irq(SCpnt->device->host->host_lock); 300968b3aa7cSJeff Garzik 30101da177e4SLinus Torvalds return SUCCESS; 30111da177e4SLinus Torvalds } 30121da177e4SLinus Torvalds 30131da177e4SLinus Torvalds /* 30141da177e4SLinus Torvalds * Return the "logical geometry" 30151da177e4SLinus Torvalds */ 30161da177e4SLinus Torvalds static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, 30171da177e4SLinus Torvalds sector_t capacity, int *info_array) 30181da177e4SLinus Torvalds { 30191da177e4SLinus Torvalds HCS *pHcb; /* Point to Host adapter control block */ 30201da177e4SLinus Torvalds TCS *pTcb; 30211da177e4SLinus Torvalds 30221da177e4SLinus Torvalds pHcb = (HCS *) sdev->host->base; 30231da177e4SLinus Torvalds pTcb = &pHcb->HCS_Tcs[sdev->id]; 30241da177e4SLinus Torvalds 30251da177e4SLinus Torvalds if (pTcb->TCS_DrvHead) { 30261da177e4SLinus Torvalds info_array[0] = pTcb->TCS_DrvHead; 30271da177e4SLinus Torvalds info_array[1] = pTcb->TCS_DrvSector; 30281da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity / pTcb->TCS_DrvHead / pTcb->TCS_DrvSector; 30291da177e4SLinus Torvalds } else { 30301da177e4SLinus Torvalds if (pTcb->TCS_DrvFlags & TCF_DRV_255_63) { 30311da177e4SLinus Torvalds info_array[0] = 255; 30321da177e4SLinus Torvalds info_array[1] = 63; 30331da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity / 255 / 63; 30341da177e4SLinus Torvalds } else { 30351da177e4SLinus Torvalds info_array[0] = 64; 30361da177e4SLinus Torvalds info_array[1] = 32; 30371da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity >> 11; 30381da177e4SLinus Torvalds } 30391da177e4SLinus Torvalds } 30401da177e4SLinus Torvalds 30411da177e4SLinus Torvalds #if defined(DEBUG_BIOSPARAM) 30421da177e4SLinus Torvalds if (i91u_debug & debug_biosparam) { 30431da177e4SLinus Torvalds printk("bios geometry: head=%d, sec=%d, cyl=%d\n", 30441da177e4SLinus Torvalds info_array[0], info_array[1], info_array[2]); 30451da177e4SLinus Torvalds printk("WARNING: check, if the bios geometry is correct.\n"); 30461da177e4SLinus Torvalds } 30471da177e4SLinus Torvalds #endif 30481da177e4SLinus Torvalds 30491da177e4SLinus Torvalds return 0; 30501da177e4SLinus Torvalds } 30511da177e4SLinus Torvalds 30521da177e4SLinus Torvalds static void i91u_unmap_cmnd(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) 30531da177e4SLinus Torvalds { 30541da177e4SLinus Torvalds /* auto sense buffer */ 30551da177e4SLinus Torvalds if (cmnd->SCp.ptr) { 30561da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, 30571da177e4SLinus Torvalds (dma_addr_t)((unsigned long)cmnd->SCp.ptr), 30581da177e4SLinus Torvalds SENSE_SIZE, DMA_FROM_DEVICE); 30591da177e4SLinus Torvalds cmnd->SCp.ptr = NULL; 30601da177e4SLinus Torvalds } 30611da177e4SLinus Torvalds 30621da177e4SLinus Torvalds /* request buffer */ 30631da177e4SLinus Torvalds if (cmnd->use_sg) { 30641da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, 30651da177e4SLinus Torvalds sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, 30661da177e4SLinus Torvalds DMA_BIDIRECTIONAL); 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvalds dma_unmap_sg(&pci_dev->dev, cmnd->request_buffer, 30691da177e4SLinus Torvalds cmnd->use_sg, 30701da177e4SLinus Torvalds cmnd->sc_data_direction); 30711da177e4SLinus Torvalds } else if (cmnd->request_bufflen) { 30721da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, 30731da177e4SLinus Torvalds cmnd->request_bufflen, 30741da177e4SLinus Torvalds cmnd->sc_data_direction); 30751da177e4SLinus Torvalds } 30761da177e4SLinus Torvalds } 30771da177e4SLinus Torvalds 30781da177e4SLinus Torvalds /***************************************************************************** 30791da177e4SLinus Torvalds Function name : i91uSCBPost 30801da177e4SLinus Torvalds Description : This is callback routine be called when tulip finish one 30811da177e4SLinus Torvalds SCSI command. 30821da177e4SLinus Torvalds Input : pHCB - Pointer to host adapter control block. 30831da177e4SLinus Torvalds pSCB - Pointer to SCSI control block. 30841da177e4SLinus Torvalds Output : None. 30851da177e4SLinus Torvalds Return : None. 30861da177e4SLinus Torvalds *****************************************************************************/ 30871da177e4SLinus Torvalds static void i91uSCBPost(BYTE * pHcb, BYTE * pScb) 30881da177e4SLinus Torvalds { 30891da177e4SLinus Torvalds struct scsi_cmnd *pSRB; /* Pointer to SCSI request block */ 30901da177e4SLinus Torvalds HCS *pHCB; 30911da177e4SLinus Torvalds SCB *pSCB; 30921da177e4SLinus Torvalds 30931da177e4SLinus Torvalds pHCB = (HCS *) pHcb; 30941da177e4SLinus Torvalds pSCB = (SCB *) pScb; 30951da177e4SLinus Torvalds if ((pSRB = pSCB->SCB_Srb) == 0) { 30961da177e4SLinus Torvalds printk("i91uSCBPost: SRB pointer is empty\n"); 30971da177e4SLinus Torvalds 30981da177e4SLinus Torvalds tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ 30991da177e4SLinus Torvalds return; 31001da177e4SLinus Torvalds } 31011da177e4SLinus Torvalds switch (pSCB->SCB_HaStat) { 31021da177e4SLinus Torvalds case 0x0: 31031da177e4SLinus Torvalds case 0xa: /* Linked command complete without error and linked normally */ 31041da177e4SLinus Torvalds case 0xb: /* Linked command complete without error interrupt generated */ 31051da177e4SLinus Torvalds pSCB->SCB_HaStat = 0; 31061da177e4SLinus Torvalds break; 31071da177e4SLinus Torvalds 31081da177e4SLinus Torvalds case 0x11: /* Selection time out-The initiator selection or target 31091da177e4SLinus Torvalds reselection was not complete within the SCSI Time out period */ 31101da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_TIME_OUT; 31111da177e4SLinus Torvalds break; 31121da177e4SLinus Torvalds 31131da177e4SLinus Torvalds case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus 31141da177e4SLinus Torvalds phase sequence was requested by the target. The host adapter 31151da177e4SLinus Torvalds will generate a SCSI Reset Condition, notifying the host with 31161da177e4SLinus Torvalds a SCRD interrupt */ 31171da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_RESET; 31181da177e4SLinus Torvalds break; 31191da177e4SLinus Torvalds 31201da177e4SLinus Torvalds case 0x1a: /* SCB Aborted. 07/21/98 */ 31211da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_ABORT; 31221da177e4SLinus Torvalds break; 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvalds case 0x12: /* Data overrun/underrun-The target attempted to transfer more data 31251da177e4SLinus Torvalds than was allocated by the Data Length field or the sum of the 31261da177e4SLinus Torvalds Scatter / Gather Data Length fields. */ 31271da177e4SLinus Torvalds case 0x13: /* Unexpected bus free-The target dropped the SCSI BSY at an unexpected time. */ 31281da177e4SLinus Torvalds case 0x16: /* Invalid SCB Operation Code. */ 31291da177e4SLinus Torvalds 31301da177e4SLinus Torvalds default: 31311da177e4SLinus Torvalds printk("ini9100u: %x %x\n", pSCB->SCB_HaStat, pSCB->SCB_TaStat); 31321da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_ERROR; /* Couldn't find any better */ 31331da177e4SLinus Torvalds break; 31341da177e4SLinus Torvalds } 31351da177e4SLinus Torvalds 31361da177e4SLinus Torvalds pSRB->result = pSCB->SCB_TaStat | (pSCB->SCB_HaStat << 16); 31371da177e4SLinus Torvalds 31381da177e4SLinus Torvalds if (pSRB == NULL) { 31391da177e4SLinus Torvalds printk("pSRB is NULL\n"); 31401da177e4SLinus Torvalds } 31411da177e4SLinus Torvalds 31421da177e4SLinus Torvalds i91u_unmap_cmnd(pHCB->pci_dev, pSRB); 31431da177e4SLinus Torvalds pSRB->scsi_done(pSRB); /* Notify system DONE */ 31441da177e4SLinus Torvalds 31451da177e4SLinus Torvalds tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ 31461da177e4SLinus Torvalds } 31471da177e4SLinus Torvalds 31481da177e4SLinus Torvalds /* 31491da177e4SLinus Torvalds * Release ressources 31501da177e4SLinus Torvalds */ 31511da177e4SLinus Torvalds static int i91u_release(struct Scsi_Host *hreg) 31521da177e4SLinus Torvalds { 31531da177e4SLinus Torvalds free_irq(hreg->irq, hreg); 31541da177e4SLinus Torvalds release_region(hreg->io_port, 256); 31551da177e4SLinus Torvalds return 0; 31561da177e4SLinus Torvalds } 31571da177e4SLinus Torvalds MODULE_LICENSE("Dual BSD/GPL"); 31581da177e4SLinus Torvalds 31591da177e4SLinus Torvalds static struct scsi_host_template driver_template = { 31601da177e4SLinus Torvalds .proc_name = "INI9100U", 31611da177e4SLinus Torvalds .name = i91u_REVID, 31621da177e4SLinus Torvalds .detect = i91u_detect, 31631da177e4SLinus Torvalds .release = i91u_release, 31641da177e4SLinus Torvalds .queuecommand = i91u_queuecommand, 31651da177e4SLinus Torvalds // .abort = i91u_abort, 31661da177e4SLinus Torvalds // .reset = i91u_reset, 31671da177e4SLinus Torvalds .eh_bus_reset_handler = i91u_bus_reset, 31681da177e4SLinus Torvalds .bios_param = i91u_biosparam, 31691da177e4SLinus Torvalds .can_queue = 1, 31701da177e4SLinus Torvalds .this_id = 1, 31711da177e4SLinus Torvalds .sg_tablesize = SG_ALL, 31721da177e4SLinus Torvalds .cmd_per_lun = 1, 31731da177e4SLinus Torvalds .use_clustering = ENABLE_CLUSTERING, 31741da177e4SLinus Torvalds }; 31751da177e4SLinus Torvalds #include "scsi_module.c" 31761da177e4SLinus Torvalds 3177