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> 1301da177e4SLinus Torvalds #include <asm/io.h> 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvalds #include <scsi/scsi.h> 1331da177e4SLinus Torvalds #include <scsi/scsi_cmnd.h> 1341da177e4SLinus Torvalds #include <scsi/scsi_device.h> 1351da177e4SLinus Torvalds #include <scsi/scsi_host.h> 1361da177e4SLinus Torvalds #include <scsi/scsi_tcq.h> 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvalds #include "initio.h" 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvalds #define SENSE_SIZE 14 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds #define i91u_MAXQUEUE 2 1431da177e4SLinus Torvalds #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.04a" 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds #define INI_VENDOR_ID 0x1101 /* Initio's PCI vendor ID */ 1461da177e4SLinus Torvalds #define DMX_VENDOR_ID 0x134a /* Domex's PCI vendor ID */ 1471da177e4SLinus Torvalds #define I950_DEVICE_ID 0x9500 /* Initio's inic-950 product ID */ 1481da177e4SLinus Torvalds #define I940_DEVICE_ID 0x9400 /* Initio's inic-940 product ID */ 1491da177e4SLinus Torvalds #define I935_DEVICE_ID 0x9401 /* Initio's inic-935 product ID */ 1501da177e4SLinus Torvalds #define I920_DEVICE_ID 0x0002 /* Initio's other product ID */ 1511da177e4SLinus Torvalds 1521da177e4SLinus Torvalds #ifdef DEBUG_i91u 1531da177e4SLinus Torvalds static unsigned int i91u_debug = DEBUG_DEFAULT; 1541da177e4SLinus Torvalds #endif 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds #define TULSZ(sz) (sizeof(sz) / sizeof(sz[0])) 1571da177e4SLinus Torvalds #define TUL_RDWORD(x,y) (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) )) 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvalds typedef struct PCI_ID_Struc { 1601da177e4SLinus Torvalds unsigned short vendor_id; 1611da177e4SLinus Torvalds unsigned short device_id; 1621da177e4SLinus Torvalds } PCI_ID; 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds static int tul_num_ch = 4; /* Maximum 4 adapters */ 1651da177e4SLinus Torvalds static int tul_num_scb; 1661da177e4SLinus Torvalds static int tul_tag_enable = 1; 1671da177e4SLinus Torvalds static SCB *tul_scb; 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds #ifdef DEBUG_i91u 1701da177e4SLinus Torvalds static int setup_debug = 0; 1711da177e4SLinus Torvalds #endif 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds static void i91uSCBPost(BYTE * pHcb, BYTE * pScb); 1741da177e4SLinus Torvalds 1751da177e4SLinus Torvalds static const PCI_ID i91u_pci_devices[] = { 1761da177e4SLinus Torvalds { INI_VENDOR_ID, I950_DEVICE_ID }, 1771da177e4SLinus Torvalds { INI_VENDOR_ID, I940_DEVICE_ID }, 1781da177e4SLinus Torvalds { INI_VENDOR_ID, I935_DEVICE_ID }, 1791da177e4SLinus Torvalds { INI_VENDOR_ID, I920_DEVICE_ID }, 1801da177e4SLinus Torvalds { DMX_VENDOR_ID, I920_DEVICE_ID }, 1811da177e4SLinus Torvalds }; 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds #define DEBUG_INTERRUPT 0 1841da177e4SLinus Torvalds #define DEBUG_QUEUE 0 1851da177e4SLinus Torvalds #define DEBUG_STATE 0 1861da177e4SLinus Torvalds #define INT_DISC 0 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds /*--- external functions --*/ 1891da177e4SLinus Torvalds static void tul_se2_wait(void); 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds /*--- forward refrence ---*/ 1921da177e4SLinus Torvalds static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun); 1931da177e4SLinus Torvalds static SCB *tul_find_done_scb(HCS * pCurHcb); 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds static int tulip_main(HCS * pCurHcb); 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds static int tul_next_state(HCS * pCurHcb); 1981da177e4SLinus Torvalds static int tul_state_1(HCS * pCurHcb); 1991da177e4SLinus Torvalds static int tul_state_2(HCS * pCurHcb); 2001da177e4SLinus Torvalds static int tul_state_3(HCS * pCurHcb); 2011da177e4SLinus Torvalds static int tul_state_4(HCS * pCurHcb); 2021da177e4SLinus Torvalds static int tul_state_5(HCS * pCurHcb); 2031da177e4SLinus Torvalds static int tul_state_6(HCS * pCurHcb); 2041da177e4SLinus Torvalds static int tul_state_7(HCS * pCurHcb); 2051da177e4SLinus Torvalds static int tul_xfer_data_in(HCS * pCurHcb); 2061da177e4SLinus Torvalds static int tul_xfer_data_out(HCS * pCurHcb); 2071da177e4SLinus Torvalds static int tul_xpad_in(HCS * pCurHcb); 2081da177e4SLinus Torvalds static int tul_xpad_out(HCS * pCurHcb); 2091da177e4SLinus Torvalds static int tul_status_msg(HCS * pCurHcb); 2101da177e4SLinus Torvalds 2111da177e4SLinus Torvalds static int tul_msgin(HCS * pCurHcb); 2121da177e4SLinus Torvalds static int tul_msgin_sync(HCS * pCurHcb); 2131da177e4SLinus Torvalds static int tul_msgin_accept(HCS * pCurHcb); 2141da177e4SLinus Torvalds static int tul_msgout_reject(HCS * pCurHcb); 2151da177e4SLinus Torvalds static int tul_msgin_extend(HCS * pCurHcb); 2161da177e4SLinus Torvalds 2171da177e4SLinus Torvalds static int tul_msgout_ide(HCS * pCurHcb); 2181da177e4SLinus Torvalds static int tul_msgout_abort_targ(HCS * pCurHcb); 2191da177e4SLinus Torvalds static int tul_msgout_abort_tag(HCS * pCurHcb); 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds static int tul_bus_device_reset(HCS * pCurHcb); 2221da177e4SLinus Torvalds static void tul_select_atn(HCS * pCurHcb, SCB * pCurScb); 2231da177e4SLinus Torvalds static void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb); 2241da177e4SLinus Torvalds static void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb); 2251da177e4SLinus Torvalds static int int_tul_busfree(HCS * pCurHcb); 226a2ba192cSAdrian Bunk static int int_tul_scsi_rst(HCS * pCurHcb); 2271da177e4SLinus Torvalds static int int_tul_bad_seq(HCS * pCurHcb); 2281da177e4SLinus Torvalds static int int_tul_resel(HCS * pCurHcb); 2291da177e4SLinus Torvalds static int tul_sync_done(HCS * pCurHcb); 2301da177e4SLinus Torvalds static int wdtr_done(HCS * pCurHcb); 2311da177e4SLinus Torvalds static int wait_tulip(HCS * pCurHcb); 2321da177e4SLinus Torvalds static int tul_wait_done_disc(HCS * pCurHcb); 2331da177e4SLinus Torvalds static int tul_wait_disc(HCS * pCurHcb); 2341da177e4SLinus Torvalds static void tulip_scsi(HCS * pCurHcb); 2351da177e4SLinus Torvalds static int tul_post_scsi_rst(HCS * pCurHcb); 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds static void tul_se2_ew_en(WORD CurBase); 2381da177e4SLinus Torvalds static void tul_se2_ew_ds(WORD CurBase); 2391da177e4SLinus Torvalds static int tul_se2_rd_all(WORD CurBase); 2401da177e4SLinus Torvalds static void tul_se2_update_all(WORD CurBase); /* setup default pattern */ 2411da177e4SLinus Torvalds static void tul_read_eeprom(WORD CurBase); 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds /* ---- INTERNAL VARIABLES ---- */ 244a2ba192cSAdrian Bunk static HCS tul_hcs[MAX_SUPPORTED_ADAPTERS]; 2451da177e4SLinus Torvalds static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS]; 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds /*NVRAM nvram, *nvramp = &nvram; */ 2481da177e4SLinus Torvalds static NVRAM i91unvram; 2491da177e4SLinus Torvalds static NVRAM *i91unvramp; 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds static UCHAR i91udftNvRam[64] = 2541da177e4SLinus Torvalds { 2551da177e4SLinus Torvalds /*----------- header -----------*/ 2561da177e4SLinus Torvalds 0x25, 0xc9, /* Signature */ 2571da177e4SLinus Torvalds 0x40, /* Size */ 2581da177e4SLinus Torvalds 0x01, /* Revision */ 2591da177e4SLinus Torvalds /* -- Host Adapter Structure -- */ 2601da177e4SLinus Torvalds 0x95, /* ModelByte0 */ 2611da177e4SLinus Torvalds 0x00, /* ModelByte1 */ 2621da177e4SLinus Torvalds 0x00, /* ModelInfo */ 2631da177e4SLinus Torvalds 0x01, /* NumOfCh */ 2641da177e4SLinus Torvalds NBC1_DEFAULT, /* BIOSConfig1 */ 2651da177e4SLinus Torvalds 0, /* BIOSConfig2 */ 2661da177e4SLinus Torvalds 0, /* HAConfig1 */ 2671da177e4SLinus Torvalds 0, /* HAConfig2 */ 2681da177e4SLinus Torvalds /* SCSI channel 0 and target Structure */ 2691da177e4SLinus Torvalds 7, /* SCSIid */ 2701da177e4SLinus Torvalds NCC1_DEFAULT, /* SCSIconfig1 */ 2711da177e4SLinus Torvalds 0, /* SCSIconfig2 */ 2721da177e4SLinus Torvalds 0x10, /* NumSCSItarget */ 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 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 2791da177e4SLinus Torvalds /* SCSI channel 1 and target Structure */ 2801da177e4SLinus Torvalds 7, /* SCSIid */ 2811da177e4SLinus Torvalds NCC1_DEFAULT, /* SCSIconfig1 */ 2821da177e4SLinus Torvalds 0, /* SCSIconfig2 */ 2831da177e4SLinus Torvalds 0x10, /* NumSCSItarget */ 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, 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 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2901da177e4SLinus Torvalds 0, 0}; /* - CheckSum - */ 2911da177e4SLinus Torvalds 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds static UCHAR tul_rate_tbl[8] = /* fast 20 */ 2941da177e4SLinus Torvalds { 2951da177e4SLinus Torvalds /* nanosecond devide by 4 */ 2961da177e4SLinus Torvalds 12, /* 50ns, 20M */ 2971da177e4SLinus Torvalds 18, /* 75ns, 13.3M */ 2981da177e4SLinus Torvalds 25, /* 100ns, 10M */ 2991da177e4SLinus Torvalds 31, /* 125ns, 8M */ 3001da177e4SLinus Torvalds 37, /* 150ns, 6.6M */ 3011da177e4SLinus Torvalds 43, /* 175ns, 5.7M */ 3021da177e4SLinus Torvalds 50, /* 200ns, 5M */ 3031da177e4SLinus Torvalds 62 /* 250ns, 4M */ 3041da177e4SLinus Torvalds }; 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds static void tul_do_pause(unsigned amount) 3071da177e4SLinus Torvalds { /* Pause for amount jiffies */ 3081da177e4SLinus Torvalds unsigned long the_time = jiffies + amount; 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds while (time_before_eq(jiffies, the_time)); 3111da177e4SLinus Torvalds } 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds /*-- forward reference --*/ 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds /******************************************************************* 3161da177e4SLinus Torvalds Use memeory refresh time ~ 15us * 2 3171da177e4SLinus Torvalds ********************************************************************/ 3181da177e4SLinus Torvalds void tul_se2_wait(void) 3191da177e4SLinus Torvalds { 3201da177e4SLinus Torvalds #if 1 3211da177e4SLinus Torvalds udelay(30); 3221da177e4SLinus Torvalds #else 3231da177e4SLinus Torvalds UCHAR readByte; 3241da177e4SLinus Torvalds 3251da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3261da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) { 3271da177e4SLinus Torvalds for (;;) { 3281da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3291da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) 3301da177e4SLinus Torvalds break; 3311da177e4SLinus Torvalds } 3321da177e4SLinus Torvalds for (;;) { 3331da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3341da177e4SLinus Torvalds if ((readByte & 0x10) != 0x10) 3351da177e4SLinus Torvalds break; 3361da177e4SLinus Torvalds } 3371da177e4SLinus Torvalds } else { 3381da177e4SLinus Torvalds for (;;) { 3391da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3401da177e4SLinus Torvalds if ((readByte & 0x10) == 0x10) 3411da177e4SLinus Torvalds break; 3421da177e4SLinus Torvalds } 3431da177e4SLinus Torvalds for (;;) { 3441da177e4SLinus Torvalds readByte = TUL_RD(0, 0x61); 3451da177e4SLinus Torvalds if ((readByte & 0x10) != 0x10) 3461da177e4SLinus Torvalds break; 3471da177e4SLinus Torvalds } 3481da177e4SLinus Torvalds } 3491da177e4SLinus Torvalds #endif 3501da177e4SLinus Torvalds } 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds /****************************************************************** 3541da177e4SLinus Torvalds Input: instruction for Serial E2PROM 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds EX: se2_rd(0 call se2_instr() to send address and read command 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds StartBit OP_Code Address Data 3591da177e4SLinus Torvalds --------- -------- ------------------ ------- 3601da177e4SLinus Torvalds 1 1 , 0 A5,A4,A3,A2,A1,A0 D15-D0 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds +----------------------------------------------------- 3631da177e4SLinus Torvalds | 3641da177e4SLinus Torvalds CS -----+ 3651da177e4SLinus Torvalds +--+ +--+ +--+ +--+ +--+ 3661da177e4SLinus Torvalds ^ | ^ | ^ | ^ | ^ | 3671da177e4SLinus Torvalds | | | | | | | | | | 3681da177e4SLinus Torvalds CLK -------+ +--+ +--+ +--+ +--+ +-- 3691da177e4SLinus Torvalds (leading edge trigger) 3701da177e4SLinus Torvalds 3711da177e4SLinus Torvalds +--1-----1--+ 3721da177e4SLinus Torvalds | SB OP | OP A5 A4 3731da177e4SLinus Torvalds DI ----+ +--0------------------ 3741da177e4SLinus Torvalds (address and cmd sent to nvram) 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvalds -------------------------------------------+ 3771da177e4SLinus Torvalds | 3781da177e4SLinus Torvalds DO +--- 3791da177e4SLinus Torvalds (data sent from nvram) 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds ******************************************************************/ 383a2ba192cSAdrian Bunk static void tul_se2_instr(WORD CurBase, UCHAR instr) 3841da177e4SLinus Torvalds { 3851da177e4SLinus Torvalds int i; 3861da177e4SLinus Torvalds UCHAR b; 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* cs+start bit */ 3891da177e4SLinus Torvalds tul_se2_wait(); 3901da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK | SE2DO); /* +CLK */ 3911da177e4SLinus Torvalds tul_se2_wait(); 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds for (i = 0; i < 8; i++) { 3941da177e4SLinus Torvalds if (instr & 0x80) 3951da177e4SLinus Torvalds b = SE2CS | SE2DO; /* -CLK+dataBit */ 3961da177e4SLinus Torvalds else 3971da177e4SLinus Torvalds b = SE2CS; /* -CLK */ 3981da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, b); 3991da177e4SLinus Torvalds tul_se2_wait(); 4001da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, b | SE2CLK); /* +CLK */ 4011da177e4SLinus Torvalds tul_se2_wait(); 4021da177e4SLinus Torvalds instr <<= 1; 4031da177e4SLinus Torvalds } 4041da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4051da177e4SLinus Torvalds tul_se2_wait(); 4061da177e4SLinus Torvalds return; 4071da177e4SLinus Torvalds } 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds 4101da177e4SLinus Torvalds /****************************************************************** 4111da177e4SLinus Torvalds Function name : tul_se2_ew_en 4121da177e4SLinus Torvalds Description : Enable erase/write state of serial EEPROM 4131da177e4SLinus Torvalds ******************************************************************/ 4141da177e4SLinus Torvalds void tul_se2_ew_en(WORD CurBase) 4151da177e4SLinus Torvalds { 4161da177e4SLinus Torvalds tul_se2_instr(CurBase, 0x30); /* EWEN */ 4171da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4181da177e4SLinus Torvalds tul_se2_wait(); 4191da177e4SLinus Torvalds return; 4201da177e4SLinus Torvalds } 4211da177e4SLinus Torvalds 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds /************************************************************************ 4241da177e4SLinus Torvalds Disable erase/write state of serial EEPROM 4251da177e4SLinus Torvalds *************************************************************************/ 4261da177e4SLinus Torvalds void tul_se2_ew_ds(WORD CurBase) 4271da177e4SLinus Torvalds { 4281da177e4SLinus Torvalds tul_se2_instr(CurBase, 0); /* EWDS */ 4291da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4301da177e4SLinus Torvalds tul_se2_wait(); 4311da177e4SLinus Torvalds return; 4321da177e4SLinus Torvalds } 4331da177e4SLinus Torvalds 4341da177e4SLinus Torvalds 4351da177e4SLinus Torvalds /****************************************************************** 4361da177e4SLinus Torvalds Input :address of Serial E2PROM 4371da177e4SLinus Torvalds Output :value stored in Serial E2PROM 4381da177e4SLinus Torvalds *******************************************************************/ 439a2ba192cSAdrian Bunk static USHORT tul_se2_rd(WORD CurBase, ULONG adr) 4401da177e4SLinus Torvalds { 4411da177e4SLinus Torvalds UCHAR instr, readByte; 4421da177e4SLinus Torvalds USHORT readWord; 4431da177e4SLinus Torvalds int i; 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds instr = (UCHAR) (adr | 0x80); 4461da177e4SLinus Torvalds tul_se2_instr(CurBase, instr); /* READ INSTR */ 4471da177e4SLinus Torvalds readWord = 0; 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds for (i = 15; i >= 0; i--) { 4501da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4511da177e4SLinus Torvalds tul_se2_wait(); 4521da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds /* sample data after the following edge of clock */ 4551da177e4SLinus Torvalds readByte = TUL_RD(CurBase, TUL_NVRAM); 4561da177e4SLinus Torvalds readByte &= SE2DI; 4571da177e4SLinus Torvalds readWord += (readByte << i); 4581da177e4SLinus Torvalds tul_se2_wait(); /* 6/20/95 */ 4591da177e4SLinus Torvalds } 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* no chip select */ 4621da177e4SLinus Torvalds tul_se2_wait(); 4631da177e4SLinus Torvalds return readWord; 4641da177e4SLinus Torvalds } 4651da177e4SLinus Torvalds 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds /****************************************************************** 4681da177e4SLinus Torvalds Input: new value in Serial E2PROM, address of Serial E2PROM 4691da177e4SLinus Torvalds *******************************************************************/ 470a2ba192cSAdrian Bunk static void tul_se2_wr(WORD CurBase, UCHAR adr, USHORT writeWord) 4711da177e4SLinus Torvalds { 4721da177e4SLinus Torvalds UCHAR readByte; 4731da177e4SLinus Torvalds UCHAR instr; 4741da177e4SLinus Torvalds int i; 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds instr = (UCHAR) (adr | 0x40); 4771da177e4SLinus Torvalds tul_se2_instr(CurBase, instr); /* WRITE INSTR */ 4781da177e4SLinus Torvalds for (i = 15; i >= 0; i--) { 4791da177e4SLinus Torvalds if (writeWord & 0x8000) 4801da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* -CLK+dataBit 1 */ 4811da177e4SLinus Torvalds else 4821da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK+dataBit 0 */ 4831da177e4SLinus Torvalds tul_se2_wait(); 4841da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4851da177e4SLinus Torvalds tul_se2_wait(); 4861da177e4SLinus Torvalds writeWord <<= 1; 4871da177e4SLinus Torvalds } 4881da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 4891da177e4SLinus Torvalds tul_se2_wait(); 4901da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 4911da177e4SLinus Torvalds tul_se2_wait(); 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* +CS */ 4941da177e4SLinus Torvalds tul_se2_wait(); 4951da177e4SLinus Torvalds 4961da177e4SLinus Torvalds for (;;) { 4971da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */ 4981da177e4SLinus Torvalds tul_se2_wait(); 4991da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */ 5001da177e4SLinus Torvalds tul_se2_wait(); 5011da177e4SLinus Torvalds if ((readByte = TUL_RD(CurBase, TUL_NVRAM)) & SE2DI) 5021da177e4SLinus Torvalds break; /* write complete */ 5031da177e4SLinus Torvalds } 5041da177e4SLinus Torvalds TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */ 5051da177e4SLinus Torvalds return; 5061da177e4SLinus Torvalds } 5071da177e4SLinus Torvalds 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds /*********************************************************************** 5101da177e4SLinus Torvalds Read SCSI H/A configuration parameters from serial EEPROM 5111da177e4SLinus Torvalds ************************************************************************/ 5121da177e4SLinus Torvalds int tul_se2_rd_all(WORD CurBase) 5131da177e4SLinus Torvalds { 5141da177e4SLinus Torvalds int i; 5151da177e4SLinus Torvalds ULONG chksum = 0; 5161da177e4SLinus Torvalds USHORT *np; 5171da177e4SLinus Torvalds 5181da177e4SLinus Torvalds i91unvramp = &i91unvram; 5191da177e4SLinus Torvalds np = (USHORT *) i91unvramp; 5201da177e4SLinus Torvalds for (i = 0; i < 32; i++) { 5211da177e4SLinus Torvalds *np++ = tul_se2_rd(CurBase, i); 5221da177e4SLinus Torvalds } 5231da177e4SLinus Torvalds 5241da177e4SLinus Torvalds /*--------------------Is signature "ini" ok ? ----------------*/ 5251da177e4SLinus Torvalds if (i91unvramp->NVM_Signature != INI_SIGNATURE) 5261da177e4SLinus Torvalds return -1; 5271da177e4SLinus Torvalds /*---------------------- Is ckecksum ok ? ----------------------*/ 5281da177e4SLinus Torvalds np = (USHORT *) i91unvramp; 5291da177e4SLinus Torvalds for (i = 0; i < 31; i++) 5301da177e4SLinus Torvalds chksum += *np++; 5311da177e4SLinus Torvalds if (i91unvramp->NVM_CheckSum != (USHORT) chksum) 5321da177e4SLinus Torvalds return -1; 5331da177e4SLinus Torvalds return 1; 5341da177e4SLinus Torvalds } 5351da177e4SLinus Torvalds 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvalds /*********************************************************************** 5381da177e4SLinus Torvalds Update SCSI H/A configuration parameters from serial EEPROM 5391da177e4SLinus Torvalds ************************************************************************/ 5401da177e4SLinus Torvalds void tul_se2_update_all(WORD CurBase) 5411da177e4SLinus Torvalds { /* setup default pattern */ 5421da177e4SLinus Torvalds int i; 5431da177e4SLinus Torvalds ULONG chksum = 0; 5441da177e4SLinus Torvalds USHORT *np, *np1; 5451da177e4SLinus Torvalds 5461da177e4SLinus Torvalds i91unvramp = &i91unvram; 5471da177e4SLinus Torvalds /* Calculate checksum first */ 5481da177e4SLinus Torvalds np = (USHORT *) i91udftNvRam; 5491da177e4SLinus Torvalds for (i = 0; i < 31; i++) 5501da177e4SLinus Torvalds chksum += *np++; 5511da177e4SLinus Torvalds *np = (USHORT) chksum; 5521da177e4SLinus Torvalds tul_se2_ew_en(CurBase); /* Enable write */ 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds np = (USHORT *) i91udftNvRam; 5551da177e4SLinus Torvalds np1 = (USHORT *) i91unvramp; 5561da177e4SLinus Torvalds for (i = 0; i < 32; i++, np++, np1++) { 5571da177e4SLinus Torvalds if (*np != *np1) { 5581da177e4SLinus Torvalds tul_se2_wr(CurBase, i, *np); 5591da177e4SLinus Torvalds } 5601da177e4SLinus Torvalds } 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds tul_se2_ew_ds(CurBase); /* Disable write */ 5631da177e4SLinus Torvalds return; 5641da177e4SLinus Torvalds } 5651da177e4SLinus Torvalds 5661da177e4SLinus Torvalds /************************************************************************* 5671da177e4SLinus Torvalds Function name : read_eeprom 5681da177e4SLinus Torvalds **************************************************************************/ 5691da177e4SLinus Torvalds void tul_read_eeprom(WORD CurBase) 5701da177e4SLinus Torvalds { 5711da177e4SLinus Torvalds UCHAR gctrl; 5721da177e4SLinus Torvalds 5731da177e4SLinus Torvalds i91unvramp = &i91unvram; 5741da177e4SLinus Torvalds /*------Enable EEProm programming ---*/ 5751da177e4SLinus Torvalds gctrl = TUL_RD(CurBase, TUL_GCTRL); 5761da177e4SLinus Torvalds TUL_WR(CurBase + TUL_GCTRL, gctrl | TUL_GCTRL_EEPROM_BIT); 5771da177e4SLinus Torvalds if (tul_se2_rd_all(CurBase) != 1) { 5781da177e4SLinus Torvalds tul_se2_update_all(CurBase); /* setup default pattern */ 5791da177e4SLinus Torvalds tul_se2_rd_all(CurBase); /* load again */ 5801da177e4SLinus Torvalds } 5811da177e4SLinus Torvalds /*------ Disable EEProm programming ---*/ 5821da177e4SLinus Torvalds gctrl = TUL_RD(CurBase, TUL_GCTRL); 5831da177e4SLinus Torvalds TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT); 5841da177e4SLinus Torvalds } /* read_eeprom */ 5851da177e4SLinus Torvalds 586a2ba192cSAdrian Bunk static int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt, 5871da177e4SLinus Torvalds BYTE bBus, BYTE bDevice) 5881da177e4SLinus Torvalds { 5891da177e4SLinus Torvalds int i, j; 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvalds for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { 5921da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BIOS < wBIOS) 5931da177e4SLinus Torvalds continue; 5941da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BIOS == wBIOS) { 5951da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_BASE == wBASE) { 5961da177e4SLinus Torvalds if (i91u_adpt[i].ADPT_Bus != 0xFF) 5971da177e4SLinus Torvalds return 1; 5981da177e4SLinus Torvalds } else if (i91u_adpt[i].ADPT_BASE < wBASE) 5991da177e4SLinus Torvalds continue; 6001da177e4SLinus Torvalds } 6011da177e4SLinus Torvalds for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) { 6021da177e4SLinus Torvalds i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE; 6031da177e4SLinus Torvalds i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR; 6041da177e4SLinus Torvalds i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS; 6051da177e4SLinus Torvalds i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus; 6061da177e4SLinus Torvalds i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device; 6071da177e4SLinus Torvalds } 6081da177e4SLinus Torvalds i91u_adpt[i].ADPT_BASE = wBASE; 6091da177e4SLinus Torvalds i91u_adpt[i].ADPT_INTR = bInterrupt; 6101da177e4SLinus Torvalds i91u_adpt[i].ADPT_BIOS = wBIOS; 6111da177e4SLinus Torvalds i91u_adpt[i].ADPT_Bus = bBus; 6121da177e4SLinus Torvalds i91u_adpt[i].ADPT_Device = bDevice; 6131da177e4SLinus Torvalds return 0; 6141da177e4SLinus Torvalds } 6151da177e4SLinus Torvalds return 1; 6161da177e4SLinus Torvalds } 6171da177e4SLinus Torvalds 618a2ba192cSAdrian Bunk static void init_i91uAdapter_table(void) 6191da177e4SLinus Torvalds { 6201da177e4SLinus Torvalds int i; 6211da177e4SLinus Torvalds 6221da177e4SLinus Torvalds for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { /* Initialize adapter structure */ 6231da177e4SLinus Torvalds i91u_adpt[i].ADPT_BIOS = 0xffff; 6241da177e4SLinus Torvalds i91u_adpt[i].ADPT_BASE = 0xffff; 6251da177e4SLinus Torvalds i91u_adpt[i].ADPT_INTR = 0xff; 6261da177e4SLinus Torvalds i91u_adpt[i].ADPT_Bus = 0xff; 6271da177e4SLinus Torvalds i91u_adpt[i].ADPT_Device = 0xff; 6281da177e4SLinus Torvalds } 6291da177e4SLinus Torvalds return; 6301da177e4SLinus Torvalds } 6311da177e4SLinus Torvalds 632a2ba192cSAdrian Bunk static void tul_stop_bm(HCS * pCurHcb) 6331da177e4SLinus Torvalds { 6341da177e4SLinus Torvalds 6351da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ 6361da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); 6371da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 6381da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); 6391da177e4SLinus Torvalds } 6401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 6411da177e4SLinus Torvalds } 6421da177e4SLinus Torvalds 6431da177e4SLinus Torvalds /***************************************************************************/ 644a2ba192cSAdrian Bunk static void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx) 6451da177e4SLinus Torvalds { 6461da177e4SLinus Torvalds pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE; /* Supply base address */ 6471da177e4SLinus Torvalds pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS; /* Supply BIOS address */ 6481da177e4SLinus Torvalds pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR; /* Supply interrupt line */ 6491da177e4SLinus Torvalds return; 6501da177e4SLinus Torvalds } 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvalds /***************************************************************************/ 653a2ba192cSAdrian Bunk static int tul_reset_scsi(HCS * pCurHcb, int seconds) 6541da177e4SLinus Torvalds { 6551da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS); 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt)) & TSS_SCSIRST_INT)); 6581da177e4SLinus Torvalds /* reset tulip chip */ 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 0); 6611da177e4SLinus Torvalds 6621da177e4SLinus Torvalds /* Stall for a while, wait for target's firmware ready,make it 2 sec ! */ 6631da177e4SLinus Torvalds /* SONY 5200 tape drive won't work if only stall for 1 sec */ 6641da177e4SLinus Torvalds tul_do_pause(seconds * HZ); 6651da177e4SLinus Torvalds 6661da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds return (SCSI_RESET_SUCCESS); 6691da177e4SLinus Torvalds } 6701da177e4SLinus Torvalds 6711da177e4SLinus Torvalds /***************************************************************************/ 672a2ba192cSAdrian Bunk static int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb, 673a2ba192cSAdrian Bunk BYTE * pbBiosAdr, int seconds) 6741da177e4SLinus Torvalds { 6751da177e4SLinus Torvalds int i; 6761da177e4SLinus Torvalds BYTE *pwFlags; 6771da177e4SLinus Torvalds BYTE *pbHeads; 6781da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb = NULL; 6791da177e4SLinus Torvalds 6801da177e4SLinus Torvalds pCurHcb->HCS_NumScbs = tul_num_scb; 6811da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 6821da177e4SLinus Torvalds spin_lock_init(&pCurHcb->HCS_SemaphLock); 6831da177e4SLinus Torvalds pCurHcb->HCS_JSStatus0 = 0; 6841da177e4SLinus Torvalds pCurHcb->HCS_Scb = scbp; 6851da177e4SLinus Torvalds pCurHcb->HCS_NxtPend = scbp; 6861da177e4SLinus Torvalds pCurHcb->HCS_NxtAvail = scbp; 6871da177e4SLinus Torvalds for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) { 6881da177e4SLinus Torvalds pTmpScb->SCB_TagId = i; 6891da177e4SLinus Torvalds if (i != 0) 6901da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb; 6911da177e4SLinus Torvalds pPrevScb = pTmpScb; 6921da177e4SLinus Torvalds } 6931da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = NULL; 6941da177e4SLinus Torvalds pCurHcb->HCS_ScbEnd = pTmpScb; 6951da177e4SLinus Torvalds pCurHcb->HCS_FirstAvail = scbp; 6961da177e4SLinus Torvalds pCurHcb->HCS_LastAvail = pPrevScb; 6971da177e4SLinus Torvalds spin_lock_init(&pCurHcb->HCS_AvailLock); 6981da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = NULL; 6991da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 7001da177e4SLinus Torvalds pCurHcb->HCS_FirstBusy = NULL; 7011da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 7021da177e4SLinus Torvalds pCurHcb->HCS_FirstDone = NULL; 7031da177e4SLinus Torvalds pCurHcb->HCS_LastDone = NULL; 7041da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 7051da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 7061da177e4SLinus Torvalds 7071da177e4SLinus Torvalds tul_read_eeprom(pCurHcb->HCS_Base); 7081da177e4SLinus Torvalds /*---------- get H/A configuration -------------*/ 7091da177e4SLinus Torvalds if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8) 7101da177e4SLinus Torvalds pCurHcb->HCS_MaxTar = 8; 7111da177e4SLinus Torvalds else 7121da177e4SLinus Torvalds pCurHcb->HCS_MaxTar = 16; 7131da177e4SLinus Torvalds 7141da177e4SLinus Torvalds pCurHcb->HCS_Config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; 7151da177e4SLinus Torvalds 7161da177e4SLinus Torvalds pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; 7171da177e4SLinus Torvalds pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID); 7181da177e4SLinus Torvalds 7191da177e4SLinus Torvalds #if CHK_PARITY 7201da177e4SLinus Torvalds /* Enable parity error response */ 7211da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40); 7221da177e4SLinus Torvalds #endif 7231da177e4SLinus Torvalds 7241da177e4SLinus Torvalds /* Mask all the interrupt */ 7251da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 7261da177e4SLinus Torvalds 7271da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 7281da177e4SLinus Torvalds /* --- Initialize the tulip --- */ 7291da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_CHIP); 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds /* program HBA's SCSI ID */ 7321da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, pCurHcb->HCS_SCSI_ID << 4); 7331da177e4SLinus Torvalds 7341da177e4SLinus Torvalds /* Enable Initiator Mode ,phase latch,alternate sync period mode, 7351da177e4SLinus Torvalds disable SCSI reset */ 7361da177e4SLinus Torvalds if (pCurHcb->HCS_Config & HCC_EN_PAR) 7371da177e4SLinus Torvalds pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); 7381da177e4SLinus Torvalds else 7391da177e4SLinus Torvalds pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT); 7401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_SConf1); 7411da177e4SLinus Torvalds 7421da177e4SLinus Torvalds /* Enable HW reselect */ 7431da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, 0); 7461da177e4SLinus Torvalds 7471da177e4SLinus Torvalds /* selection time out = 250 ms */ 7481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_STimeOut, 153); 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvalds /*--------- Enable SCSI terminator -----*/ 7511da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, (pCurHcb->HCS_Config & (HCC_ACT_TERM1 | HCC_ACT_TERM2))); 7521da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_GCTRL1, 7531da177e4SLinus Torvalds ((pCurHcb->HCS_Config & HCC_AUTO_TERM) >> 4) | (TUL_RD(pCurHcb->HCS_Base, TUL_GCTRL1) & 0xFE)); 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds for (i = 0, 7561da177e4SLinus Torvalds pwFlags = & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config), 7571da177e4SLinus Torvalds pbHeads = pbBiosAdr + 0x180; 7581da177e4SLinus Torvalds i < pCurHcb->HCS_MaxTar; 7591da177e4SLinus Torvalds i++, pwFlags++) { 7601da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags = *pwFlags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 7611da177e4SLinus Torvalds if (pCurHcb->HCS_Tcs[i].TCS_Flags & TCF_EN_255) 7621da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; 7631da177e4SLinus Torvalds else 7641da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; 7651da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_JS_Period = 0; 7661da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_SConfig0 = pCurHcb->HCS_SConf1; 7671da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvHead = *pbHeads++; 7681da177e4SLinus Torvalds if (pCurHcb->HCS_Tcs[i].TCS_DrvHead == 255) 7691da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63; 7701da177e4SLinus Torvalds else 7711da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0; 7721da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_DrvSector = *pbHeads++; 7731da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; 7741da177e4SLinus Torvalds pCurHcb->HCS_ActTags[i] = 0; 7751da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[i] = 0xFF; 7761da177e4SLinus Torvalds } /* for */ 7771da177e4SLinus Torvalds printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n", 7781da177e4SLinus Torvalds pCurHcb->HCS_Base, pCurHcb->HCS_Intr, 7791da177e4SLinus Torvalds pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID); 7801da177e4SLinus Torvalds /*------------------- reset SCSI Bus ---------------------------*/ 7811da177e4SLinus Torvalds if (pCurHcb->HCS_Config & HCC_SCSI_RESET) { 7821da177e4SLinus Torvalds printk("i91u: Reset SCSI Bus ... \n"); 7831da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, seconds); 7841da177e4SLinus Torvalds } 7851da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17); 7861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9); 7871da177e4SLinus Torvalds return (0); 7881da177e4SLinus Torvalds } 7891da177e4SLinus Torvalds 7901da177e4SLinus Torvalds /***************************************************************************/ 791a2ba192cSAdrian Bunk static SCB *tul_alloc_scb(HCS * hcsp) 7921da177e4SLinus Torvalds { 7931da177e4SLinus Torvalds SCB *pTmpScb; 7941da177e4SLinus Torvalds ULONG flags; 7951da177e4SLinus Torvalds spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); 7961da177e4SLinus Torvalds if ((pTmpScb = hcsp->HCS_FirstAvail) != NULL) { 7971da177e4SLinus Torvalds #if DEBUG_QUEUE 7981da177e4SLinus Torvalds printk("find scb at %08lx\n", (ULONG) pTmpScb); 7991da177e4SLinus Torvalds #endif 8001da177e4SLinus Torvalds if ((hcsp->HCS_FirstAvail = pTmpScb->SCB_NxtScb) == NULL) 8011da177e4SLinus Torvalds hcsp->HCS_LastAvail = NULL; 8021da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 8031da177e4SLinus Torvalds pTmpScb->SCB_Status = SCB_RENT; 8041da177e4SLinus Torvalds } 8051da177e4SLinus Torvalds spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); 8061da177e4SLinus Torvalds return (pTmpScb); 8071da177e4SLinus Torvalds } 8081da177e4SLinus Torvalds 8091da177e4SLinus Torvalds /***************************************************************************/ 810a2ba192cSAdrian Bunk static void tul_release_scb(HCS * hcsp, SCB * scbp) 8111da177e4SLinus Torvalds { 8121da177e4SLinus Torvalds ULONG flags; 8131da177e4SLinus Torvalds 8141da177e4SLinus Torvalds #if DEBUG_QUEUE 8151da177e4SLinus Torvalds printk("Release SCB %lx; ", (ULONG) scbp); 8161da177e4SLinus Torvalds #endif 8171da177e4SLinus Torvalds spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags); 8181da177e4SLinus Torvalds scbp->SCB_Srb = NULL; 8191da177e4SLinus Torvalds scbp->SCB_Status = 0; 8201da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 8211da177e4SLinus Torvalds if (hcsp->HCS_LastAvail != NULL) { 8221da177e4SLinus Torvalds hcsp->HCS_LastAvail->SCB_NxtScb = scbp; 8231da177e4SLinus Torvalds hcsp->HCS_LastAvail = scbp; 8241da177e4SLinus Torvalds } else { 8251da177e4SLinus Torvalds hcsp->HCS_FirstAvail = scbp; 8261da177e4SLinus Torvalds hcsp->HCS_LastAvail = scbp; 8271da177e4SLinus Torvalds } 8281da177e4SLinus Torvalds spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags); 8291da177e4SLinus Torvalds } 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvalds /***************************************************************************/ 832a2ba192cSAdrian Bunk static void tul_append_pend_scb(HCS * pCurHcb, SCB * scbp) 8331da177e4SLinus Torvalds { 8341da177e4SLinus Torvalds 8351da177e4SLinus Torvalds #if DEBUG_QUEUE 8361da177e4SLinus Torvalds printk("Append pend SCB %lx; ", (ULONG) scbp); 8371da177e4SLinus Torvalds #endif 8381da177e4SLinus Torvalds scbp->SCB_Status = SCB_PEND; 8391da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 8401da177e4SLinus Torvalds if (pCurHcb->HCS_LastPend != NULL) { 8411da177e4SLinus Torvalds pCurHcb->HCS_LastPend->SCB_NxtScb = scbp; 8421da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8431da177e4SLinus Torvalds } else { 8441da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8451da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8461da177e4SLinus Torvalds } 8471da177e4SLinus Torvalds } 8481da177e4SLinus Torvalds 8491da177e4SLinus Torvalds /***************************************************************************/ 850a2ba192cSAdrian Bunk static void tul_push_pend_scb(HCS * pCurHcb, SCB * scbp) 8511da177e4SLinus Torvalds { 8521da177e4SLinus Torvalds 8531da177e4SLinus Torvalds #if DEBUG_QUEUE 8541da177e4SLinus Torvalds printk("Push pend SCB %lx; ", (ULONG) scbp); 8551da177e4SLinus Torvalds #endif 8561da177e4SLinus Torvalds scbp->SCB_Status = SCB_PEND; 8571da177e4SLinus Torvalds if ((scbp->SCB_NxtScb = pCurHcb->HCS_FirstPend) != NULL) { 8581da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8591da177e4SLinus Torvalds } else { 8601da177e4SLinus Torvalds pCurHcb->HCS_FirstPend = scbp; 8611da177e4SLinus Torvalds pCurHcb->HCS_LastPend = scbp; 8621da177e4SLinus Torvalds } 8631da177e4SLinus Torvalds } 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvalds /***************************************************************************/ 866a2ba192cSAdrian Bunk static SCB *tul_find_first_pend_scb(HCS * pCurHcb) 8671da177e4SLinus Torvalds { 8681da177e4SLinus Torvalds SCB *pFirstPend; 8691da177e4SLinus Torvalds 8701da177e4SLinus Torvalds 8711da177e4SLinus Torvalds pFirstPend = pCurHcb->HCS_FirstPend; 8721da177e4SLinus Torvalds while (pFirstPend != NULL) { 8731da177e4SLinus Torvalds if (pFirstPend->SCB_Opcode != ExecSCSI) { 8741da177e4SLinus Torvalds return (pFirstPend); 8751da177e4SLinus Torvalds } 8761da177e4SLinus Torvalds if (pFirstPend->SCB_TagMsg == 0) { 8771da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] == 0) && 8781da177e4SLinus Torvalds !(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { 8791da177e4SLinus Torvalds return (pFirstPend); 8801da177e4SLinus Torvalds } 8811da177e4SLinus Torvalds } else { 8821da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] >= 8831da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[pFirstPend->SCB_Target]) | 8841da177e4SLinus Torvalds (pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) { 8851da177e4SLinus Torvalds pFirstPend = pFirstPend->SCB_NxtScb; 8861da177e4SLinus Torvalds continue; 8871da177e4SLinus Torvalds } 8881da177e4SLinus Torvalds return (pFirstPend); 8891da177e4SLinus Torvalds } 8901da177e4SLinus Torvalds pFirstPend = pFirstPend->SCB_NxtScb; 8911da177e4SLinus Torvalds } 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvalds return (pFirstPend); 8951da177e4SLinus Torvalds } 8961da177e4SLinus Torvalds /***************************************************************************/ 897a2ba192cSAdrian Bunk static void tul_unlink_pend_scb(HCS * pCurHcb, SCB * pCurScb) 8981da177e4SLinus Torvalds { 8991da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 9001da177e4SLinus Torvalds 9011da177e4SLinus Torvalds #if DEBUG_QUEUE 9021da177e4SLinus Torvalds printk("unlink pend SCB %lx; ", (ULONG) pCurScb); 9031da177e4SLinus Torvalds #endif 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; 9061da177e4SLinus Torvalds while (pTmpScb != NULL) { 9071da177e4SLinus Torvalds if (pCurScb == pTmpScb) { /* Unlink this SCB */ 9081da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstPend) { 9091da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) 9101da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 9111da177e4SLinus Torvalds } else { 9121da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 9131da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastPend) 9141da177e4SLinus Torvalds pCurHcb->HCS_LastPend = pPrevScb; 9151da177e4SLinus Torvalds } 9161da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9171da177e4SLinus Torvalds break; 9181da177e4SLinus Torvalds } 9191da177e4SLinus Torvalds pPrevScb = pTmpScb; 9201da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 9211da177e4SLinus Torvalds } 9221da177e4SLinus Torvalds return; 9231da177e4SLinus Torvalds } 9241da177e4SLinus Torvalds /***************************************************************************/ 925a2ba192cSAdrian Bunk static void tul_append_busy_scb(HCS * pCurHcb, SCB * scbp) 9261da177e4SLinus Torvalds { 9271da177e4SLinus Torvalds 9281da177e4SLinus Torvalds #if DEBUG_QUEUE 9291da177e4SLinus Torvalds printk("append busy SCB %lx; ", (ULONG) scbp); 9301da177e4SLinus Torvalds #endif 9311da177e4SLinus Torvalds if (scbp->SCB_TagMsg) 9321da177e4SLinus Torvalds pCurHcb->HCS_ActTags[scbp->SCB_Target]++; 9331da177e4SLinus Torvalds else 9341da177e4SLinus Torvalds pCurHcb->HCS_Tcs[scbp->SCB_Target].TCS_Flags |= TCF_BUSY; 9351da177e4SLinus Torvalds scbp->SCB_Status = SCB_BUSY; 9361da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 9371da177e4SLinus Torvalds if (pCurHcb->HCS_LastBusy != NULL) { 9381da177e4SLinus Torvalds pCurHcb->HCS_LastBusy->SCB_NxtScb = scbp; 9391da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = scbp; 9401da177e4SLinus Torvalds } else { 9411da177e4SLinus Torvalds pCurHcb->HCS_FirstBusy = scbp; 9421da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = scbp; 9431da177e4SLinus Torvalds } 9441da177e4SLinus Torvalds } 9451da177e4SLinus Torvalds 9461da177e4SLinus Torvalds /***************************************************************************/ 947a2ba192cSAdrian Bunk static SCB *tul_pop_busy_scb(HCS * pCurHcb) 9481da177e4SLinus Torvalds { 9491da177e4SLinus Torvalds SCB *pTmpScb; 9501da177e4SLinus Torvalds 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds if ((pTmpScb = pCurHcb->HCS_FirstBusy) != NULL) { 9531da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 9541da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 9551da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9561da177e4SLinus Torvalds if (pTmpScb->SCB_TagMsg) 9571da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 9581da177e4SLinus Torvalds else 9591da177e4SLinus Torvalds pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; 9601da177e4SLinus Torvalds } 9611da177e4SLinus Torvalds #if DEBUG_QUEUE 9621da177e4SLinus Torvalds printk("Pop busy SCB %lx; ", (ULONG) pTmpScb); 9631da177e4SLinus Torvalds #endif 9641da177e4SLinus Torvalds return (pTmpScb); 9651da177e4SLinus Torvalds } 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvalds /***************************************************************************/ 968a2ba192cSAdrian Bunk static void tul_unlink_busy_scb(HCS * pCurHcb, SCB * pCurScb) 9691da177e4SLinus Torvalds { 9701da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 9711da177e4SLinus Torvalds 9721da177e4SLinus Torvalds #if DEBUG_QUEUE 9731da177e4SLinus Torvalds printk("unlink busy SCB %lx; ", (ULONG) pCurScb); 9741da177e4SLinus Torvalds #endif 9751da177e4SLinus Torvalds 9761da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; 9771da177e4SLinus Torvalds while (pTmpScb != NULL) { 9781da177e4SLinus Torvalds if (pCurScb == pTmpScb) { /* Unlink this SCB */ 9791da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 9801da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 9811da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 9821da177e4SLinus Torvalds } else { 9831da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 9841da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 9851da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 9861da177e4SLinus Torvalds } 9871da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 9881da177e4SLinus Torvalds if (pTmpScb->SCB_TagMsg) 9891da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 9901da177e4SLinus Torvalds else 9911da177e4SLinus Torvalds pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY; 9921da177e4SLinus Torvalds break; 9931da177e4SLinus Torvalds } 9941da177e4SLinus Torvalds pPrevScb = pTmpScb; 9951da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 9961da177e4SLinus Torvalds } 9971da177e4SLinus Torvalds return; 9981da177e4SLinus Torvalds } 9991da177e4SLinus Torvalds 10001da177e4SLinus Torvalds /***************************************************************************/ 10011da177e4SLinus Torvalds SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun) 10021da177e4SLinus Torvalds { 10031da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 10041da177e4SLinus Torvalds WORD scbp_tarlun; 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvalds 10071da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; 10081da177e4SLinus Torvalds while (pTmpScb != NULL) { 10091da177e4SLinus Torvalds scbp_tarlun = (pTmpScb->SCB_Lun << 8) | (pTmpScb->SCB_Target); 10101da177e4SLinus Torvalds if (scbp_tarlun == tarlun) { /* Unlink this SCB */ 10111da177e4SLinus Torvalds break; 10121da177e4SLinus Torvalds } 10131da177e4SLinus Torvalds pPrevScb = pTmpScb; 10141da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 10151da177e4SLinus Torvalds } 10161da177e4SLinus Torvalds #if DEBUG_QUEUE 10171da177e4SLinus Torvalds printk("find busy SCB %lx; ", (ULONG) pTmpScb); 10181da177e4SLinus Torvalds #endif 10191da177e4SLinus Torvalds return (pTmpScb); 10201da177e4SLinus Torvalds } 10211da177e4SLinus Torvalds 10221da177e4SLinus Torvalds /***************************************************************************/ 1023a2ba192cSAdrian Bunk static void tul_append_done_scb(HCS * pCurHcb, SCB * scbp) 10241da177e4SLinus Torvalds { 10251da177e4SLinus Torvalds 10261da177e4SLinus Torvalds #if DEBUG_QUEUE 10271da177e4SLinus Torvalds printk("append done SCB %lx; ", (ULONG) scbp); 10281da177e4SLinus Torvalds #endif 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvalds scbp->SCB_Status = SCB_DONE; 10311da177e4SLinus Torvalds scbp->SCB_NxtScb = NULL; 10321da177e4SLinus Torvalds if (pCurHcb->HCS_LastDone != NULL) { 10331da177e4SLinus Torvalds pCurHcb->HCS_LastDone->SCB_NxtScb = scbp; 10341da177e4SLinus Torvalds pCurHcb->HCS_LastDone = scbp; 10351da177e4SLinus Torvalds } else { 10361da177e4SLinus Torvalds pCurHcb->HCS_FirstDone = scbp; 10371da177e4SLinus Torvalds pCurHcb->HCS_LastDone = scbp; 10381da177e4SLinus Torvalds } 10391da177e4SLinus Torvalds } 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds /***************************************************************************/ 10421da177e4SLinus Torvalds SCB *tul_find_done_scb(HCS * pCurHcb) 10431da177e4SLinus Torvalds { 10441da177e4SLinus Torvalds SCB *pTmpScb; 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvalds 10471da177e4SLinus Torvalds if ((pTmpScb = pCurHcb->HCS_FirstDone) != NULL) { 10481da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstDone = pTmpScb->SCB_NxtScb) == NULL) 10491da177e4SLinus Torvalds pCurHcb->HCS_LastDone = NULL; 10501da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 10511da177e4SLinus Torvalds } 10521da177e4SLinus Torvalds #if DEBUG_QUEUE 10531da177e4SLinus Torvalds printk("find done SCB %lx; ", (ULONG) pTmpScb); 10541da177e4SLinus Torvalds #endif 10551da177e4SLinus Torvalds return (pTmpScb); 10561da177e4SLinus Torvalds } 10571da177e4SLinus Torvalds 10581da177e4SLinus Torvalds /***************************************************************************/ 1059a2ba192cSAdrian Bunk static int tul_abort_srb(HCS * pCurHcb, struct scsi_cmnd *srbp) 10601da177e4SLinus Torvalds { 10611da177e4SLinus Torvalds ULONG flags; 10621da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 10651da177e4SLinus Torvalds 10661da177e4SLinus Torvalds if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { 10671da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 10681da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 10691da177e4SLinus Torvalds 10701da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvalds tulip_main(pCurHcb); 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 10751da177e4SLinus Torvalds 10761da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 10771da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 10781da177e4SLinus Torvalds 10791da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10801da177e4SLinus Torvalds 10811da177e4SLinus Torvalds return SCSI_ABORT_SNOOZE; 10821da177e4SLinus Torvalds } 10831da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; /* Check Pend queue */ 10841da177e4SLinus Torvalds while (pTmpScb != NULL) { 10851da177e4SLinus Torvalds /* 07/27/98 */ 10861da177e4SLinus Torvalds if (pTmpScb->SCB_Srb == srbp) { 10871da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_ActScb) { 10881da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 10891da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 10901da177e4SLinus Torvalds } else if (pTmpScb == pCurHcb->HCS_FirstPend) { 10911da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL) 10921da177e4SLinus Torvalds pCurHcb->HCS_LastPend = NULL; 10931da177e4SLinus Torvalds } else { 10941da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 10951da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastPend) 10961da177e4SLinus Torvalds pCurHcb->HCS_LastPend = pPrevScb; 10971da177e4SLinus Torvalds } 10981da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 10991da177e4SLinus Torvalds pTmpScb->SCB_Flags |= SCF_DONE; 11001da177e4SLinus Torvalds if (pTmpScb->SCB_Flags & SCF_POST) 11011da177e4SLinus Torvalds (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); 11021da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11031da177e4SLinus Torvalds return SCSI_ABORT_SUCCESS; 11041da177e4SLinus Torvalds } 11051da177e4SLinus Torvalds pPrevScb = pTmpScb; 11061da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 11071da177e4SLinus Torvalds } 11081da177e4SLinus Torvalds 11091da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 11101da177e4SLinus Torvalds while (pTmpScb != NULL) { 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvalds if (pTmpScb->SCB_Srb == srbp) { 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_ActScb) { 11151da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11161da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 11171da177e4SLinus Torvalds } else if (pTmpScb->SCB_TagMsg == 0) { 11181da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11191da177e4SLinus Torvalds return SCSI_ABORT_BUSY; 11201da177e4SLinus Torvalds } else { 11211da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--; 11221da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 11231da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 11241da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 11251da177e4SLinus Torvalds } else { 11261da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 11271da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 11281da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 11291da177e4SLinus Torvalds } 11301da177e4SLinus Torvalds pTmpScb->SCB_NxtScb = NULL; 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvalds 11331da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 11341da177e4SLinus Torvalds pTmpScb->SCB_Flags |= SCF_DONE; 11351da177e4SLinus Torvalds if (pTmpScb->SCB_Flags & SCF_POST) 11361da177e4SLinus Torvalds (*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb); 11371da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11381da177e4SLinus Torvalds return SCSI_ABORT_SUCCESS; 11391da177e4SLinus Torvalds } 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds pPrevScb = pTmpScb; 11421da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 11431da177e4SLinus Torvalds } 11441da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11451da177e4SLinus Torvalds return (SCSI_ABORT_NOT_RUNNING); 11461da177e4SLinus Torvalds } 11471da177e4SLinus Torvalds 11481da177e4SLinus Torvalds /***************************************************************************/ 1149a2ba192cSAdrian Bunk static int tul_bad_seq(HCS * pCurHcb) 11501da177e4SLinus Torvalds { 11511da177e4SLinus Torvalds SCB *pCurScb; 11521da177e4SLinus Torvalds 11531da177e4SLinus Torvalds printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index); 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { 11561da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurScb); 11571da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 11581da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 11591da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 11601da177e4SLinus Torvalds } 11611da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 11621da177e4SLinus Torvalds 11631da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 8); /* 7/29/98 */ 11641da177e4SLinus Torvalds 11651da177e4SLinus Torvalds return (tul_post_scsi_rst(pCurHcb)); 11661da177e4SLinus Torvalds } 11671da177e4SLinus Torvalds 1168a2ba192cSAdrian Bunk #if 0 1169a2ba192cSAdrian Bunk 11701da177e4SLinus Torvalds /************************************************************************/ 1171a2ba192cSAdrian Bunk static int tul_device_reset(HCS * pCurHcb, struct scsi_cmnd *pSrb, 11721da177e4SLinus Torvalds unsigned int target, unsigned int ResetFlags) 11731da177e4SLinus Torvalds { 11741da177e4SLinus Torvalds ULONG flags; 11751da177e4SLinus Torvalds SCB *pScb; 11761da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 11771da177e4SLinus Torvalds 11781da177e4SLinus Torvalds if (ResetFlags & SCSI_RESET_ASYNCHRONOUS) { 11791da177e4SLinus Torvalds 11801da177e4SLinus Torvalds if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) { 11811da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 11821da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvalds tulip_main(pCurHcb); 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 11891da177e4SLinus Torvalds 11901da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 11911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 11941da177e4SLinus Torvalds 11951da177e4SLinus Torvalds return SCSI_RESET_SNOOZE; 11961da177e4SLinus Torvalds } 11971da177e4SLinus Torvalds pScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 11981da177e4SLinus Torvalds while (pScb != NULL) { 11991da177e4SLinus Torvalds if (pScb->SCB_Srb == pSrb) 12001da177e4SLinus Torvalds break; 12011da177e4SLinus Torvalds pScb = pScb->SCB_NxtScb; 12021da177e4SLinus Torvalds } 12031da177e4SLinus Torvalds if (pScb == NULL) { 12041da177e4SLinus Torvalds printk("Unable to Reset - No SCB Found\n"); 12051da177e4SLinus Torvalds 12061da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12071da177e4SLinus Torvalds return SCSI_RESET_NOT_RUNNING; 12081da177e4SLinus Torvalds } 12091da177e4SLinus Torvalds } 12101da177e4SLinus Torvalds if ((pScb = tul_alloc_scb(pCurHcb)) == NULL) { 12111da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12121da177e4SLinus Torvalds return SCSI_RESET_NOT_RUNNING; 12131da177e4SLinus Torvalds } 12141da177e4SLinus Torvalds pScb->SCB_Opcode = BusDevRst; 12151da177e4SLinus Torvalds pScb->SCB_Flags = SCF_POST; 12161da177e4SLinus Torvalds pScb->SCB_Target = target; 12171da177e4SLinus Torvalds pScb->SCB_Mode = 0; 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvalds pScb->SCB_Srb = NULL; 12201da177e4SLinus Torvalds if (ResetFlags & SCSI_RESET_SYNCHRONOUS) { 12211da177e4SLinus Torvalds pScb->SCB_Srb = pSrb; 12221da177e4SLinus Torvalds } 12231da177e4SLinus Torvalds tul_push_pend_scb(pCurHcb, pScb); /* push this SCB to Pending queue */ 12241da177e4SLinus Torvalds 12251da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 12261da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12271da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 12281da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12311da177e4SLinus Torvalds 12321da177e4SLinus Torvalds tulip_main(pCurHcb); 12331da177e4SLinus Torvalds 12341da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 12371da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 12381da177e4SLinus Torvalds } 12391da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12401da177e4SLinus Torvalds return SCSI_RESET_PENDING; 12411da177e4SLinus Torvalds } 12421da177e4SLinus Torvalds 1243a2ba192cSAdrian Bunk static int tul_reset_scsi_bus(HCS * pCurHcb) 12441da177e4SLinus Torvalds { 12451da177e4SLinus Torvalds ULONG flags; 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12491da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12501da177e4SLinus Torvalds 12511da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12521da177e4SLinus Torvalds 12531da177e4SLinus Torvalds tul_stop_bm(pCurHcb); 12541da177e4SLinus Torvalds 12551da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 2); /* 7/29/98 */ 12561da177e4SLinus Torvalds 12571da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12581da177e4SLinus Torvalds tul_post_scsi_rst(pCurHcb); 12591da177e4SLinus Torvalds 12601da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12611da177e4SLinus Torvalds 12621da177e4SLinus Torvalds tulip_main(pCurHcb); 12631da177e4SLinus Torvalds 12641da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12651da177e4SLinus Torvalds 12661da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 12671da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 12681da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12691da177e4SLinus Torvalds return (SCSI_RESET_SUCCESS | SCSI_RESET_HOST_RESET); 12701da177e4SLinus Torvalds } 12711da177e4SLinus Torvalds 1272a2ba192cSAdrian Bunk #endif /* 0 */ 1273a2ba192cSAdrian Bunk 12741da177e4SLinus Torvalds /************************************************************************/ 1275a2ba192cSAdrian Bunk static void tul_exec_scb(HCS * pCurHcb, SCB * pCurScb) 12761da177e4SLinus Torvalds { 12771da177e4SLinus Torvalds ULONG flags; 12781da177e4SLinus Torvalds 12791da177e4SLinus Torvalds pCurScb->SCB_Mode = 0; 12801da177e4SLinus Torvalds 12811da177e4SLinus Torvalds pCurScb->SCB_SGIdx = 0; 12821da177e4SLinus Torvalds pCurScb->SCB_SGMax = pCurScb->SCB_SGLen; 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvalds tul_append_pend_scb(pCurHcb, pCurScb); /* Append this SCB to Pending queue */ 12871da177e4SLinus Torvalds 12881da177e4SLinus Torvalds /* VVVVV 07/21/98 */ 12891da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 12901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 12911da177e4SLinus Torvalds /* disable Jasmin SCSI Int */ 12921da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 12951da177e4SLinus Torvalds 12961da177e4SLinus Torvalds tulip_main(pCurHcb); 12971da177e4SLinus Torvalds 12981da177e4SLinus Torvalds spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags); 12991da177e4SLinus Torvalds 13001da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 13011da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 13021da177e4SLinus Torvalds } 13031da177e4SLinus Torvalds spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags); 13041da177e4SLinus Torvalds return; 13051da177e4SLinus Torvalds } 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvalds /***************************************************************************/ 1308a2ba192cSAdrian Bunk static int tul_isr(HCS * pCurHcb) 13091da177e4SLinus Torvalds { 13101da177e4SLinus Torvalds /* Enter critical section */ 13111da177e4SLinus Torvalds 13121da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) { 13131da177e4SLinus Torvalds if (pCurHcb->HCS_Semaph == 1) { 13141da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F); 13151da177e4SLinus Torvalds /* Disable Tulip SCSI Int */ 13161da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 0; 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvalds tulip_main(pCurHcb); 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvalds pCurHcb->HCS_Semaph = 1; 13211da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F); 13221da177e4SLinus Torvalds return (1); 13231da177e4SLinus Torvalds } 13241da177e4SLinus Torvalds } 13251da177e4SLinus Torvalds return (0); 13261da177e4SLinus Torvalds } 13271da177e4SLinus Torvalds 13281da177e4SLinus Torvalds /***************************************************************************/ 13291da177e4SLinus Torvalds int tulip_main(HCS * pCurHcb) 13301da177e4SLinus Torvalds { 13311da177e4SLinus Torvalds SCB *pCurScb; 13321da177e4SLinus Torvalds 13331da177e4SLinus Torvalds for (;;) { 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvalds tulip_scsi(pCurHcb); /* Call tulip_scsi */ 13361da177e4SLinus Torvalds 13371da177e4SLinus Torvalds while ((pCurScb = tul_find_done_scb(pCurHcb)) != NULL) { /* find done entry */ 13381da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == INI_QUEUE_FULL) { 13391da177e4SLinus Torvalds pCurHcb->HCS_MaxTags[pCurScb->SCB_Target] = 13401da177e4SLinus Torvalds pCurHcb->HCS_ActTags[pCurScb->SCB_Target] - 1; 13411da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 13421da177e4SLinus Torvalds tul_append_pend_scb(pCurHcb, pCurScb); 13431da177e4SLinus Torvalds continue; 13441da177e4SLinus Torvalds } 13451da177e4SLinus Torvalds if (!(pCurScb->SCB_Mode & SCM_RSENS)) { /* not in auto req. sense mode */ 13461da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == 2) { 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvalds /* clr sync. nego flag */ 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SENSE) { 13511da177e4SLinus Torvalds BYTE len; 13521da177e4SLinus Torvalds len = pCurScb->SCB_SenseLen; 13531da177e4SLinus Torvalds if (len == 0) 13541da177e4SLinus Torvalds len = 1; 13551da177e4SLinus Torvalds pCurScb->SCB_BufLen = pCurScb->SCB_SenseLen; 13561da177e4SLinus Torvalds pCurScb->SCB_BufPtr = pCurScb->SCB_SensePtr; 13571da177e4SLinus Torvalds pCurScb->SCB_Flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ 13581da177e4SLinus Torvalds /* pCurScb->SCB_Flags |= SCF_NO_DCHK; */ 13591da177e4SLinus Torvalds /* so, we won't report worng direction in xfer_data_in, 13601da177e4SLinus Torvalds and won't report HOST_DO_DU in state_6 */ 13611da177e4SLinus Torvalds pCurScb->SCB_Mode = SCM_RSENS; 13621da177e4SLinus Torvalds pCurScb->SCB_Ident &= 0xBF; /* Disable Disconnect */ 13631da177e4SLinus Torvalds pCurScb->SCB_TagMsg = 0; 13641da177e4SLinus Torvalds pCurScb->SCB_TaStat = 0; 13651da177e4SLinus Torvalds pCurScb->SCB_CDBLen = 6; 13661da177e4SLinus Torvalds pCurScb->SCB_CDB[0] = SCSICMD_RequestSense; 13671da177e4SLinus Torvalds pCurScb->SCB_CDB[1] = 0; 13681da177e4SLinus Torvalds pCurScb->SCB_CDB[2] = 0; 13691da177e4SLinus Torvalds pCurScb->SCB_CDB[3] = 0; 13701da177e4SLinus Torvalds pCurScb->SCB_CDB[4] = len; 13711da177e4SLinus Torvalds pCurScb->SCB_CDB[5] = 0; 13721da177e4SLinus Torvalds tul_push_pend_scb(pCurHcb, pCurScb); 13731da177e4SLinus Torvalds break; 13741da177e4SLinus Torvalds } 13751da177e4SLinus Torvalds } 13761da177e4SLinus Torvalds } else { /* in request sense mode */ 13771da177e4SLinus Torvalds 13781da177e4SLinus Torvalds if (pCurScb->SCB_TaStat == 2) { /* check contition status again after sending 13791da177e4SLinus Torvalds requset sense cmd 0x3 */ 13801da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 13811da177e4SLinus Torvalds } 13821da177e4SLinus Torvalds pCurScb->SCB_TaStat = 2; 13831da177e4SLinus Torvalds } 13841da177e4SLinus Torvalds pCurScb->SCB_Flags |= SCF_DONE; 13851da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POST) { 13861da177e4SLinus Torvalds (*pCurScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pCurScb); 13871da177e4SLinus Torvalds } 13881da177e4SLinus Torvalds } /* while */ 13891da177e4SLinus Torvalds 13901da177e4SLinus Torvalds /* find_active: */ 13911da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0) & TSS_INT_PENDING) 13921da177e4SLinus Torvalds continue; 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvalds if (pCurHcb->HCS_ActScb) { /* return to OS and wait for xfer_done_ISR/Selected_ISR */ 13951da177e4SLinus Torvalds return 1; /* return to OS, enable interrupt */ 13961da177e4SLinus Torvalds } 13971da177e4SLinus Torvalds /* Check pending SCB */ 13981da177e4SLinus Torvalds if (tul_find_first_pend_scb(pCurHcb) == NULL) { 13991da177e4SLinus Torvalds return 1; /* return to OS, enable interrupt */ 14001da177e4SLinus Torvalds } 14011da177e4SLinus Torvalds } /* End of for loop */ 14021da177e4SLinus Torvalds /* statement won't reach here */ 14031da177e4SLinus Torvalds } 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvalds /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ 14091da177e4SLinus Torvalds /***************************************************************************/ 14101da177e4SLinus Torvalds /***************************************************************************/ 14111da177e4SLinus Torvalds /***************************************************************************/ 14121da177e4SLinus Torvalds /***************************************************************************/ 14131da177e4SLinus Torvalds 14141da177e4SLinus Torvalds /***************************************************************************/ 14151da177e4SLinus Torvalds void tulip_scsi(HCS * pCurHcb) 14161da177e4SLinus Torvalds { 14171da177e4SLinus Torvalds SCB *pCurScb; 14181da177e4SLinus Torvalds TCS *pCurTcb; 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvalds /* make sure to service interrupt asap */ 14211da177e4SLinus Torvalds 14221da177e4SLinus Torvalds if ((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) & TSS_INT_PENDING) { 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvalds pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; 14251da177e4SLinus Torvalds pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); 14261da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 14271da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ 14281da177e4SLinus Torvalds int_tul_scsi_rst(pCurHcb); 14291da177e4SLinus Torvalds return; 14301da177e4SLinus Torvalds } 14311da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if selected/reselected interrupt */ 14321da177e4SLinus Torvalds if (int_tul_resel(pCurHcb) == 0) 14331da177e4SLinus Torvalds tul_next_state(pCurHcb); 14341da177e4SLinus Torvalds return; 14351da177e4SLinus Torvalds } 14361da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { 14371da177e4SLinus Torvalds int_tul_busfree(pCurHcb); 14381da177e4SLinus Torvalds return; 14391da177e4SLinus Torvalds } 14401da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 14411da177e4SLinus Torvalds int_tul_busfree(pCurHcb); /* unexpected bus free or sel timeout */ 14421da177e4SLinus Torvalds return; 14431da177e4SLinus Torvalds } 14441da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ 14451da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) 14461da177e4SLinus Torvalds tul_next_state(pCurHcb); 14471da177e4SLinus Torvalds return; 14481da177e4SLinus Torvalds } 14491da177e4SLinus Torvalds } 14501da177e4SLinus Torvalds if (pCurHcb->HCS_ActScb != NULL) 14511da177e4SLinus Torvalds return; 14521da177e4SLinus Torvalds 14531da177e4SLinus Torvalds if ((pCurScb = tul_find_first_pend_scb(pCurHcb)) == NULL) 14541da177e4SLinus Torvalds return; 14551da177e4SLinus Torvalds 14561da177e4SLinus Torvalds /* program HBA's SCSI ID & target SCSI ID */ 14571da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, 14581da177e4SLinus Torvalds (pCurHcb->HCS_SCSI_ID << 4) | (pCurScb->SCB_Target & 0x0F)); 14591da177e4SLinus Torvalds if (pCurScb->SCB_Opcode == ExecSCSI) { 14601da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) 14631da177e4SLinus Torvalds pCurTcb->TCS_DrvFlags |= TCF_DRV_EN_TAG; 14641da177e4SLinus Torvalds else 14651da177e4SLinus Torvalds pCurTcb->TCS_DrvFlags &= ~TCF_DRV_EN_TAG; 14661da177e4SLinus Torvalds 14671da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); 14681da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */ 14691da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14701da177e4SLinus Torvalds } else { 14711da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation */ 14721da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14731da177e4SLinus Torvalds } else { 14741da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) 14751da177e4SLinus Torvalds tul_select_atn3(pCurHcb, pCurScb); 14761da177e4SLinus Torvalds else 14771da177e4SLinus Torvalds tul_select_atn(pCurHcb, pCurScb); 14781da177e4SLinus Torvalds } 14791da177e4SLinus Torvalds } 14801da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POLL) { 14811da177e4SLinus Torvalds while (wait_tulip(pCurHcb) != -1) { 14821da177e4SLinus Torvalds if (tul_next_state(pCurHcb) == -1) 14831da177e4SLinus Torvalds break; 14841da177e4SLinus Torvalds } 14851da177e4SLinus Torvalds } 14861da177e4SLinus Torvalds } else if (pCurScb->SCB_Opcode == BusDevRst) { 14871da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 14881da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 8; 14891da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_POLL) { 14901da177e4SLinus Torvalds while (wait_tulip(pCurHcb) != -1) { 14911da177e4SLinus Torvalds if (tul_next_state(pCurHcb) == -1) 14921da177e4SLinus Torvalds break; 14931da177e4SLinus Torvalds } 14941da177e4SLinus Torvalds } 14951da177e4SLinus Torvalds } else if (pCurScb->SCB_Opcode == AbortCmd) { 14961da177e4SLinus Torvalds if (tul_abort_srb(pCurHcb, pCurScb->SCB_Srb) != 0) { 14971da177e4SLinus Torvalds 14981da177e4SLinus Torvalds 14991da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15001da177e4SLinus Torvalds 15011da177e4SLinus Torvalds tul_release_scb(pCurHcb, pCurScb); 15021da177e4SLinus Torvalds } else { 15031da177e4SLinus Torvalds pCurScb->SCB_Opcode = BusDevRst; 15041da177e4SLinus Torvalds tul_select_atn_stop(pCurHcb, pCurScb); 15051da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 8; 15061da177e4SLinus Torvalds } 15071da177e4SLinus Torvalds 15081da177e4SLinus Torvalds /* 08/03/98 */ 15091da177e4SLinus Torvalds } else { 15101da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15111da177e4SLinus Torvalds pCurScb->SCB_HaStat = 0x16; /* bad command */ 15121da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 15131da177e4SLinus Torvalds } 15141da177e4SLinus Torvalds return; 15151da177e4SLinus Torvalds } 15161da177e4SLinus Torvalds 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds /***************************************************************************/ 15191da177e4SLinus Torvalds int tul_next_state(HCS * pCurHcb) 15201da177e4SLinus Torvalds { 15211da177e4SLinus Torvalds int next; 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds next = pCurHcb->HCS_ActScb->SCB_NxtStat; 15241da177e4SLinus Torvalds for (;;) { 15251da177e4SLinus Torvalds switch (next) { 15261da177e4SLinus Torvalds case 1: 15271da177e4SLinus Torvalds next = tul_state_1(pCurHcb); 15281da177e4SLinus Torvalds break; 15291da177e4SLinus Torvalds case 2: 15301da177e4SLinus Torvalds next = tul_state_2(pCurHcb); 15311da177e4SLinus Torvalds break; 15321da177e4SLinus Torvalds case 3: 15331da177e4SLinus Torvalds next = tul_state_3(pCurHcb); 15341da177e4SLinus Torvalds break; 15351da177e4SLinus Torvalds case 4: 15361da177e4SLinus Torvalds next = tul_state_4(pCurHcb); 15371da177e4SLinus Torvalds break; 15381da177e4SLinus Torvalds case 5: 15391da177e4SLinus Torvalds next = tul_state_5(pCurHcb); 15401da177e4SLinus Torvalds break; 15411da177e4SLinus Torvalds case 6: 15421da177e4SLinus Torvalds next = tul_state_6(pCurHcb); 15431da177e4SLinus Torvalds break; 15441da177e4SLinus Torvalds case 7: 15451da177e4SLinus Torvalds next = tul_state_7(pCurHcb); 15461da177e4SLinus Torvalds break; 15471da177e4SLinus Torvalds case 8: 15481da177e4SLinus Torvalds return (tul_bus_device_reset(pCurHcb)); 15491da177e4SLinus Torvalds default: 15501da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 15511da177e4SLinus Torvalds } 15521da177e4SLinus Torvalds if (next <= 0) 15531da177e4SLinus Torvalds return next; 15541da177e4SLinus Torvalds } 15551da177e4SLinus Torvalds } 15561da177e4SLinus Torvalds 15571da177e4SLinus Torvalds 15581da177e4SLinus Torvalds /***************************************************************************/ 15591da177e4SLinus Torvalds /* sTate after selection with attention & stop */ 15601da177e4SLinus Torvalds int tul_state_1(HCS * pCurHcb) 15611da177e4SLinus Torvalds { 15621da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 15631da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 15641da177e4SLinus Torvalds #if DEBUG_STATE 15651da177e4SLinus Torvalds printk("-s1-"); 15661da177e4SLinus Torvalds #endif 15671da177e4SLinus Torvalds 15681da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 15691da177e4SLinus Torvalds tul_append_busy_scb(pCurHcb, pCurScb); 15701da177e4SLinus Torvalds 15711da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 15721da177e4SLinus Torvalds /* ATN on */ 15731da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, (TSC_EN_BUS_IN | TSC_HW_RESELECT)); 15761da177e4SLinus Torvalds 15771da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 15781da177e4SLinus Torvalds 15791da177e4SLinus Torvalds if (pCurScb->SCB_TagMsg) { 15801da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); 15811da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); 15821da177e4SLinus Torvalds } 15831da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_WDTR_DONE; 15861da177e4SLinus Torvalds 15871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 15881da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); /* Extended msg length */ 15891da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* Sync request */ 15901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* Start from 16 bits */ 15911da177e4SLinus Torvalds } else if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_SYNC_DONE; 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 15961da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* extended msg length */ 15971da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ 15981da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); 15991da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ 16001da177e4SLinus Torvalds } 16011da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16021da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16031da177e4SLinus Torvalds return (-1); 16041da177e4SLinus Torvalds } 16051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 16071da177e4SLinus Torvalds return (3); 16081da177e4SLinus Torvalds } 16091da177e4SLinus Torvalds 16101da177e4SLinus Torvalds 16111da177e4SLinus Torvalds /***************************************************************************/ 16121da177e4SLinus Torvalds /* state after selection with attention */ 16131da177e4SLinus Torvalds /* state after selection with attention3 */ 16141da177e4SLinus Torvalds int tul_state_2(HCS * pCurHcb) 16151da177e4SLinus Torvalds { 16161da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 16171da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 16181da177e4SLinus Torvalds #if DEBUG_STATE 16191da177e4SLinus Torvalds printk("-s2-"); 16201da177e4SLinus Torvalds #endif 16211da177e4SLinus Torvalds 16221da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 16231da177e4SLinus Torvalds tul_append_busy_scb(pCurHcb, pCurScb); 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus1 & TSS_CMD_PH_CMP) { 16281da177e4SLinus Torvalds return (4); 16291da177e4SLinus Torvalds } 16301da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16311da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 16321da177e4SLinus Torvalds return (3); 16331da177e4SLinus Torvalds } 16341da177e4SLinus Torvalds 16351da177e4SLinus Torvalds /***************************************************************************/ 16361da177e4SLinus Torvalds /* state before CDB xfer is done */ 16371da177e4SLinus Torvalds int tul_state_3(HCS * pCurHcb) 16381da177e4SLinus Torvalds { 16391da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 16401da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 16411da177e4SLinus Torvalds int i; 16421da177e4SLinus Torvalds 16431da177e4SLinus Torvalds #if DEBUG_STATE 16441da177e4SLinus Torvalds printk("-s3-"); 16451da177e4SLinus Torvalds #endif 16461da177e4SLinus Torvalds for (;;) { 16471da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 16481da177e4SLinus Torvalds case CMD_OUT: /* Command out phase */ 16491da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 16501da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 16511da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16521da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16531da177e4SLinus Torvalds return (-1); 16541da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == CMD_OUT) { 16551da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 16561da177e4SLinus Torvalds } 16571da177e4SLinus Torvalds return (4); 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 16601da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 3; 16611da177e4SLinus Torvalds if (tul_msgin(pCurHcb) == -1) 16621da177e4SLinus Torvalds return (-1); 16631da177e4SLinus Torvalds break; 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 16661da177e4SLinus Torvalds if (tul_status_msg(pCurHcb) == -1) 16671da177e4SLinus Torvalds return (-1); 16681da177e4SLinus Torvalds break; 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 16711da177e4SLinus Torvalds if (pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) { 16721da177e4SLinus Torvalds 16731da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 16741da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16751da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16761da177e4SLinus Torvalds return (-1); 16771da177e4SLinus Torvalds 16781da177e4SLinus Torvalds } else { 16791da177e4SLinus Torvalds pCurTcb->TCS_Flags |= TCF_SYNC_DONE; 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 16821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* ext. msg len */ 16831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */ 16841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]); 16851da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */ 16861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 16871da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 16881da177e4SLinus Torvalds return (-1); 16891da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 16901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)); 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvalds } 16931da177e4SLinus Torvalds break; 16941da177e4SLinus Torvalds 16951da177e4SLinus Torvalds default: 16961da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 16971da177e4SLinus Torvalds } 16981da177e4SLinus Torvalds } 16991da177e4SLinus Torvalds } 17001da177e4SLinus Torvalds 17011da177e4SLinus Torvalds 17021da177e4SLinus Torvalds /***************************************************************************/ 17031da177e4SLinus Torvalds int tul_state_4(HCS * pCurHcb) 17041da177e4SLinus Torvalds { 17051da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 17061da177e4SLinus Torvalds 17071da177e4SLinus Torvalds #if DEBUG_STATE 17081da177e4SLinus Torvalds printk("-s4-"); 17091da177e4SLinus Torvalds #endif 17101da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_NO_XF) { 17111da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17121da177e4SLinus Torvalds } 17131da177e4SLinus Torvalds for (;;) { 17141da177e4SLinus Torvalds if (pCurScb->SCB_BufLen == 0) 17151da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17161da177e4SLinus Torvalds 17171da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 17181da177e4SLinus Torvalds 17191da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 17201da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != 0) { /* if direction bit set then report data underrun */ 17211da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17221da177e4SLinus Torvalds } 17231da177e4SLinus Torvalds if ((tul_status_msg(pCurHcb)) == -1) 17241da177e4SLinus Torvalds return (-1); 17251da177e4SLinus Torvalds break; 17261da177e4SLinus Torvalds 17271da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 17281da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x4; 17291da177e4SLinus Torvalds if (tul_msgin(pCurHcb) == -1) 17301da177e4SLinus Torvalds return (-1); 17311da177e4SLinus Torvalds break; 17321da177e4SLinus Torvalds 17331da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 17341da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 17351da177e4SLinus Torvalds pCurScb->SCB_BufLen = 0; 17361da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17371da177e4SLinus Torvalds if (tul_msgout_ide(pCurHcb) == -1) 17381da177e4SLinus Torvalds return (-1); 17391da177e4SLinus Torvalds return (6); /* Go to state 6 */ 17401da177e4SLinus Torvalds } else { 17411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 17421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 17431da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 17441da177e4SLinus Torvalds return (-1); 17451da177e4SLinus Torvalds } 17461da177e4SLinus Torvalds break; 17471da177e4SLinus Torvalds 17481da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 17491da177e4SLinus Torvalds return (tul_xfer_data_in(pCurHcb)); 17501da177e4SLinus Torvalds 17511da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 17521da177e4SLinus Torvalds return (tul_xfer_data_out(pCurHcb)); 17531da177e4SLinus Torvalds 17541da177e4SLinus Torvalds default: 17551da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 17561da177e4SLinus Torvalds } 17571da177e4SLinus Torvalds } 17581da177e4SLinus Torvalds } 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvalds 17611da177e4SLinus Torvalds /***************************************************************************/ 17621da177e4SLinus Torvalds /* state after dma xfer done or phase change before xfer done */ 17631da177e4SLinus Torvalds int tul_state_5(HCS * pCurHcb) 17641da177e4SLinus Torvalds { 17651da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 17661da177e4SLinus Torvalds long cnt, xcnt; /* cannot use unsigned !! code: if (xcnt < 0) */ 17671da177e4SLinus Torvalds 17681da177e4SLinus Torvalds #if DEBUG_STATE 17691da177e4SLinus Torvalds printk("-s5-"); 17701da177e4SLinus Torvalds #endif 17711da177e4SLinus Torvalds /*------ get remaining count -------*/ 17721da177e4SLinus Torvalds 17731da177e4SLinus Torvalds cnt = TUL_RDLONG(pCurHcb->HCS_Base, TUL_SCnt0) & 0x0FFFFFF; 17741da177e4SLinus Torvalds 17751da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XCmd) & 0x20) { 17761da177e4SLinus Torvalds /* ----------------------- DATA_IN ----------------------------- */ 17771da177e4SLinus Torvalds /* check scsi parity error */ 17781da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 17791da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; 17801da177e4SLinus Torvalds } 17811da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ 17821da177e4SLinus Torvalds /* tell Hardware scsi xfer has been terminated */ 17831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, TUL_RD(pCurHcb->HCS_Base, TUL_XCtrl) | 0x80); 17841da177e4SLinus Torvalds /* wait until DMA xfer not pending */ 17851da177e4SLinus Torvalds while (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND); 17861da177e4SLinus Torvalds } 17871da177e4SLinus Torvalds } else { 17881da177e4SLinus Torvalds /*-------- DATA OUT -----------*/ 17891da177e4SLinus Torvalds if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) { 17901da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_JS_Period & TSC_WIDE_SCSI) 17911da177e4SLinus Torvalds cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F) << 1; 17921da177e4SLinus Torvalds else 17931da177e4SLinus Torvalds cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F); 17941da177e4SLinus Torvalds } 17951da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ 17961da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT); 17971da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 17981da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0); 17991da177e4SLinus Torvalds } 18001da177e4SLinus Torvalds if ((cnt == 1) && (pCurHcb->HCS_Phase == DATA_OUT)) { 18011da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 18021da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) { 18031da177e4SLinus Torvalds return (-1); 18041da177e4SLinus Torvalds } 18051da177e4SLinus Torvalds cnt = 0; 18061da177e4SLinus Torvalds } else { 18071da177e4SLinus Torvalds if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) 18081da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 18091da177e4SLinus Torvalds } 18101da177e4SLinus Torvalds } 18111da177e4SLinus Torvalds 18121da177e4SLinus Torvalds if (cnt == 0) { 18131da177e4SLinus Torvalds pCurScb->SCB_BufLen = 0; 18141da177e4SLinus Torvalds return (6); /* Go to state 6 */ 18151da177e4SLinus Torvalds } 18161da177e4SLinus Torvalds /* Update active data pointer */ 18171da177e4SLinus Torvalds xcnt = (long) pCurScb->SCB_BufLen - cnt; /* xcnt== bytes already xferred */ 18181da177e4SLinus Torvalds pCurScb->SCB_BufLen = (U32) cnt; /* cnt == bytes left to be xferred */ 18191da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { 18201da177e4SLinus Torvalds register SG *sgp; 18211da177e4SLinus Torvalds ULONG i; 18221da177e4SLinus Torvalds 18231da177e4SLinus Torvalds sgp = &pCurScb->SCB_SGList[pCurScb->SCB_SGIdx]; 18241da177e4SLinus Torvalds for (i = pCurScb->SCB_SGIdx; i < pCurScb->SCB_SGMax; sgp++, i++) { 18251da177e4SLinus Torvalds xcnt -= (long) sgp->SG_Len; 18261da177e4SLinus Torvalds if (xcnt < 0) { /* this sgp xfer half done */ 18271da177e4SLinus Torvalds xcnt += (long) sgp->SG_Len; /* xcnt == bytes xferred in this sgp */ 18281da177e4SLinus Torvalds sgp->SG_Ptr += (U32) xcnt; /* new ptr to be xfer */ 18291da177e4SLinus Torvalds sgp->SG_Len -= (U32) xcnt; /* new len to be xfer */ 18301da177e4SLinus Torvalds pCurScb->SCB_BufPtr += ((U32) (i - pCurScb->SCB_SGIdx) << 3); 18311da177e4SLinus Torvalds /* new SG table ptr */ 18321da177e4SLinus Torvalds pCurScb->SCB_SGLen = (BYTE) (pCurScb->SCB_SGMax - i); 18331da177e4SLinus Torvalds /* new SG table len */ 18341da177e4SLinus Torvalds pCurScb->SCB_SGIdx = (WORD) i; 18351da177e4SLinus Torvalds /* for next disc and come in this loop */ 18361da177e4SLinus Torvalds return (4); /* Go to state 4 */ 18371da177e4SLinus Torvalds } 18381da177e4SLinus Torvalds /* else (xcnt >= 0 , i.e. this sgp already xferred */ 18391da177e4SLinus Torvalds } /* for */ 18401da177e4SLinus Torvalds return (6); /* Go to state 6 */ 18411da177e4SLinus Torvalds } else { 18421da177e4SLinus Torvalds pCurScb->SCB_BufPtr += (U32) xcnt; 18431da177e4SLinus Torvalds } 18441da177e4SLinus Torvalds return (4); /* Go to state 4 */ 18451da177e4SLinus Torvalds } 18461da177e4SLinus Torvalds 18471da177e4SLinus Torvalds /***************************************************************************/ 18481da177e4SLinus Torvalds /* state after Data phase */ 18491da177e4SLinus Torvalds int tul_state_6(HCS * pCurHcb) 18501da177e4SLinus Torvalds { 18511da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 18521da177e4SLinus Torvalds 18531da177e4SLinus Torvalds #if DEBUG_STATE 18541da177e4SLinus Torvalds printk("-s6-"); 18551da177e4SLinus Torvalds #endif 18561da177e4SLinus Torvalds for (;;) { 18571da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 18581da177e4SLinus Torvalds case STATUS_IN: /* Status phase */ 18591da177e4SLinus Torvalds if ((tul_status_msg(pCurHcb)) == -1) 18601da177e4SLinus Torvalds return (-1); 18611da177e4SLinus Torvalds break; 18621da177e4SLinus Torvalds 18631da177e4SLinus Torvalds case MSG_IN: /* Message in phase */ 18641da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 6; 18651da177e4SLinus Torvalds if ((tul_msgin(pCurHcb)) == -1) 18661da177e4SLinus Torvalds return (-1); 18671da177e4SLinus Torvalds break; 18681da177e4SLinus Torvalds 18691da177e4SLinus Torvalds case MSG_OUT: /* Message out phase */ 18701da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */ 18711da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 18721da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 18731da177e4SLinus Torvalds return (-1); 18741da177e4SLinus Torvalds break; 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 18771da177e4SLinus Torvalds return (tul_xpad_in(pCurHcb)); 18781da177e4SLinus Torvalds 18791da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 18801da177e4SLinus Torvalds return (tul_xpad_out(pCurHcb)); 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvalds default: 18831da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 18841da177e4SLinus Torvalds } 18851da177e4SLinus Torvalds } 18861da177e4SLinus Torvalds } 18871da177e4SLinus Torvalds 18881da177e4SLinus Torvalds /***************************************************************************/ 18891da177e4SLinus Torvalds int tul_state_7(HCS * pCurHcb) 18901da177e4SLinus Torvalds { 18911da177e4SLinus Torvalds int cnt, i; 18921da177e4SLinus Torvalds 18931da177e4SLinus Torvalds #if DEBUG_STATE 18941da177e4SLinus Torvalds printk("-s7-"); 18951da177e4SLinus Torvalds #endif 18961da177e4SLinus Torvalds /* flush SCSI FIFO */ 18971da177e4SLinus Torvalds cnt = TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F; 18981da177e4SLinus Torvalds if (cnt) { 18991da177e4SLinus Torvalds for (i = 0; i < cnt; i++) 19001da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 19011da177e4SLinus Torvalds } 19021da177e4SLinus Torvalds switch (pCurHcb->HCS_Phase) { 19031da177e4SLinus Torvalds case DATA_IN: /* Data in phase */ 19041da177e4SLinus Torvalds case DATA_OUT: /* Data out phase */ 19051da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 19061da177e4SLinus Torvalds default: 19071da177e4SLinus Torvalds return (6); /* Go to state 6 */ 19081da177e4SLinus Torvalds } 19091da177e4SLinus Torvalds } 19101da177e4SLinus Torvalds 19111da177e4SLinus Torvalds /***************************************************************************/ 19121da177e4SLinus Torvalds int tul_xfer_data_in(HCS * pCurHcb) 19131da177e4SLinus Torvalds { 19141da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19151da177e4SLinus Torvalds 19161da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DOUT) { 19171da177e4SLinus Torvalds return (6); /* wrong direction */ 19181da177e4SLinus Torvalds } 19191da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_IN); /* 7/25/95 */ 19221da177e4SLinus Torvalds 19231da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ 19241da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); 19251da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19261da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_IN); 19271da177e4SLinus Torvalds } else { 19281da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); 19291da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19301da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_IN); 19311da177e4SLinus Torvalds } 19321da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x5; 19331da177e4SLinus Torvalds return (0); /* return to OS, wait xfer done , let jas_isr come in */ 19341da177e4SLinus Torvalds } 19351da177e4SLinus Torvalds 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds /***************************************************************************/ 19381da177e4SLinus Torvalds int tul_xfer_data_out(HCS * pCurHcb) 19391da177e4SLinus Torvalds { 19401da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19411da177e4SLinus Torvalds 19421da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DIN) { 19431da177e4SLinus Torvalds return (6); /* wrong direction */ 19441da177e4SLinus Torvalds } 19451da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen); 19461da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_OUT); 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvalds if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */ 19491da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3); 19501da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19511da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_OUT); 19521da177e4SLinus Torvalds } else { 19531da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen); 19541da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr); 19551da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_OUT); 19561da177e4SLinus Torvalds } 19571da177e4SLinus Torvalds 19581da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x5; 19591da177e4SLinus Torvalds return (0); /* return to OS, wait xfer done , let jas_isr come in */ 19601da177e4SLinus Torvalds } 19611da177e4SLinus Torvalds 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvalds /***************************************************************************/ 19641da177e4SLinus Torvalds int tul_xpad_in(HCS * pCurHcb) 19651da177e4SLinus Torvalds { 19661da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19671da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 19681da177e4SLinus Torvalds 19691da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { 19701da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ 19711da177e4SLinus Torvalds } 19721da177e4SLinus Torvalds for (;;) { 19731da177e4SLinus Torvalds if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) 19741da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); 19751da177e4SLinus Torvalds else 19761da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 19791da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 19801da177e4SLinus Torvalds return (-1); 19811da177e4SLinus Torvalds } 19821da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != DATA_IN) { 19831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 19841da177e4SLinus Torvalds return (6); 19851da177e4SLinus Torvalds } 19861da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 19871da177e4SLinus Torvalds } 19881da177e4SLinus Torvalds } 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvalds int tul_xpad_out(HCS * pCurHcb) 19911da177e4SLinus Torvalds { 19921da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 19931da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 19941da177e4SLinus Torvalds 19951da177e4SLinus Torvalds if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) { 19961da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */ 19971da177e4SLinus Torvalds } 19981da177e4SLinus Torvalds for (;;) { 19991da177e4SLinus Torvalds if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI) 20001da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2); 20011da177e4SLinus Torvalds else 20021da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 20031da177e4SLinus Torvalds 20041da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); 20051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20061da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 20071da177e4SLinus Torvalds return (-1); 20081da177e4SLinus Torvalds } 20091da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ 20101da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); 20111da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 20121da177e4SLinus Torvalds return (6); 20131da177e4SLinus Torvalds } 20141da177e4SLinus Torvalds } 20151da177e4SLinus Torvalds } 20161da177e4SLinus Torvalds 20171da177e4SLinus Torvalds 20181da177e4SLinus Torvalds /***************************************************************************/ 20191da177e4SLinus Torvalds int tul_status_msg(HCS * pCurHcb) 20201da177e4SLinus Torvalds { /* status & MSG_IN */ 20211da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 20221da177e4SLinus Torvalds BYTE msg; 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_CMD_COMP); 20251da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) { 20261da177e4SLinus Torvalds return (-1); 20271da177e4SLinus Torvalds } 20281da177e4SLinus Torvalds /* get status */ 20291da177e4SLinus Torvalds pCurScb->SCB_TaStat = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 20301da177e4SLinus Torvalds 20311da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 20321da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { 20331da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); 20341da177e4SLinus Torvalds } else { 20351da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); 20361da177e4SLinus Torvalds } 20371da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20381da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 20391da177e4SLinus Torvalds } 20401da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_IN) { 20411da177e4SLinus Torvalds msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 20421da177e4SLinus Torvalds if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { /* Parity error */ 20431da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 20441da177e4SLinus Torvalds return (-1); 20451da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 20461da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20471da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY); 20481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 20491da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 20501da177e4SLinus Torvalds } 20511da177e4SLinus Torvalds if (msg == 0) { /* Command complete */ 20521da177e4SLinus Torvalds 20531da177e4SLinus Torvalds if ((pCurScb->SCB_TaStat & 0x18) == 0x10) { /* No link support */ 20541da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20551da177e4SLinus Torvalds } 20561da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 20571da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 20581da177e4SLinus Torvalds return tul_wait_done_disc(pCurHcb); 20591da177e4SLinus Torvalds 20601da177e4SLinus Torvalds } 20611da177e4SLinus Torvalds if ((msg == MSG_LINK_COMP) || (msg == MSG_LINK_FLAG)) { 20621da177e4SLinus Torvalds if ((pCurScb->SCB_TaStat & 0x18) == 0x10) 20631da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 20641da177e4SLinus Torvalds } 20651da177e4SLinus Torvalds } 20661da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 20671da177e4SLinus Torvalds } 20681da177e4SLinus Torvalds 20691da177e4SLinus Torvalds 20701da177e4SLinus Torvalds /***************************************************************************/ 20711da177e4SLinus Torvalds /* scsi bus free */ 20721da177e4SLinus Torvalds int int_tul_busfree(HCS * pCurHcb) 20731da177e4SLinus Torvalds { 20741da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 20751da177e4SLinus Torvalds 20761da177e4SLinus Torvalds if (pCurScb != NULL) { 20771da177e4SLinus Torvalds if (pCurScb->SCB_Status & SCB_SELECT) { /* selection timeout */ 20781da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 20791da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_SEL_TOUT; 20801da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 20811da177e4SLinus Torvalds } else { /* Unexpected bus free */ 20821da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurScb); 20831da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BUS_FREE; 20841da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 20851da177e4SLinus Torvalds } 20861da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 20871da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 20881da177e4SLinus Torvalds } 20891da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 20901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 20911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 20921da177e4SLinus Torvalds return (-1); 20931da177e4SLinus Torvalds } 20941da177e4SLinus Torvalds 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds /***************************************************************************/ 20971da177e4SLinus Torvalds /* scsi bus reset */ 2098a2ba192cSAdrian Bunk static int int_tul_scsi_rst(HCS * pCurHcb) 20991da177e4SLinus Torvalds { 21001da177e4SLinus Torvalds SCB *pCurScb; 21011da177e4SLinus Torvalds int i; 21021da177e4SLinus Torvalds 21031da177e4SLinus Torvalds /* if DMA xfer is pending, abort DMA xfer */ 21041da177e4SLinus Torvalds if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & 0x01) { 21051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO); 21061da177e4SLinus Torvalds /* wait Abort DMA xfer done */ 21071da177e4SLinus Torvalds while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & 0x04) == 0); 21081da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 21091da177e4SLinus Torvalds } 21101da177e4SLinus Torvalds /* Abort all active & disconnected scb */ 21111da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 21121da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 21131da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 21141da177e4SLinus Torvalds } 21151da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 21161da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 21171da177e4SLinus Torvalds 21181da177e4SLinus Torvalds /* clr sync nego. done flag */ 21191da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { 21201da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 21211da177e4SLinus Torvalds } 21221da177e4SLinus Torvalds return (-1); 21231da177e4SLinus Torvalds } 21241da177e4SLinus Torvalds 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvalds /***************************************************************************/ 21271da177e4SLinus Torvalds /* scsi reselection */ 21281da177e4SLinus Torvalds int int_tul_resel(HCS * pCurHcb) 21291da177e4SLinus Torvalds { 21301da177e4SLinus Torvalds SCB *pCurScb; 21311da177e4SLinus Torvalds TCS *pCurTcb; 21321da177e4SLinus Torvalds BYTE tag, msg = 0; 21331da177e4SLinus Torvalds BYTE tar, lun; 21341da177e4SLinus Torvalds 21351da177e4SLinus Torvalds if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) { 21361da177e4SLinus Torvalds if (pCurScb->SCB_Status & SCB_SELECT) { /* if waiting for selection complete */ 21371da177e4SLinus Torvalds pCurScb->SCB_Status &= ~SCB_SELECT; 21381da177e4SLinus Torvalds } 21391da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 21401da177e4SLinus Torvalds } 21411da177e4SLinus Torvalds /* --------- get target id---------------------- */ 21421da177e4SLinus Torvalds tar = TUL_RD(pCurHcb->HCS_Base, TUL_SBusId); 21431da177e4SLinus Torvalds /* ------ get LUN from Identify message----------- */ 21441da177e4SLinus Torvalds lun = TUL_RD(pCurHcb->HCS_Base, TUL_SIdent) & 0x0F; 21451da177e4SLinus Torvalds /* 07/22/98 from 0x1F -> 0x0F */ 21461da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[tar]; 21471da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = pCurTcb; 21481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0); 21491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period); 21501da177e4SLinus Torvalds 21511da177e4SLinus Torvalds 21521da177e4SLinus Torvalds /* ------------- tag queueing ? ------------------- */ 21531da177e4SLinus Torvalds if (pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG) { 21541da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21551da177e4SLinus Torvalds return (-1); 21561da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 21571da177e4SLinus Torvalds goto no_tag; 21581da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 21591da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 21601da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 21611da177e4SLinus Torvalds return (-1); 21621da177e4SLinus Torvalds msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag Message */ 21631da177e4SLinus Torvalds 21641da177e4SLinus Torvalds if ((msg < MSG_STAG) || (msg > MSG_OTAG)) /* Is simple Tag */ 21651da177e4SLinus Torvalds goto no_tag; 21661da177e4SLinus Torvalds 21671da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21681da177e4SLinus Torvalds return (-1); 21691da177e4SLinus Torvalds 21701da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 21711da177e4SLinus Torvalds goto no_tag; 21721da177e4SLinus Torvalds 21731da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 21741da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 21751da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 21761da177e4SLinus Torvalds return (-1); 21771da177e4SLinus Torvalds tag = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag ID */ 21781da177e4SLinus Torvalds pCurScb = pCurHcb->HCS_Scb + tag; 21791da177e4SLinus Torvalds if ((pCurScb->SCB_Target != tar) || (pCurScb->SCB_Lun != lun)) { 21801da177e4SLinus Torvalds return tul_msgout_abort_tag(pCurHcb); 21811da177e4SLinus Torvalds } 21821da177e4SLinus Torvalds if (pCurScb->SCB_Status != SCB_BUSY) { /* 03/24/95 */ 21831da177e4SLinus Torvalds return tul_msgout_abort_tag(pCurHcb); 21841da177e4SLinus Torvalds } 21851da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 21861da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21871da177e4SLinus Torvalds return (-1); 21881da177e4SLinus Torvalds } else { /* No tag */ 21891da177e4SLinus Torvalds no_tag: 21901da177e4SLinus Torvalds if ((pCurScb = tul_find_busy_scb(pCurHcb, tar | (lun << 8))) == NULL) { 21911da177e4SLinus Torvalds return tul_msgout_abort_targ(pCurHcb); 21921da177e4SLinus Torvalds } 21931da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 21941da177e4SLinus Torvalds if (!(pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG)) { 21951da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 21961da177e4SLinus Torvalds return (-1); 21971da177e4SLinus Torvalds } 21981da177e4SLinus Torvalds } 21991da177e4SLinus Torvalds return 0; 22001da177e4SLinus Torvalds } 22011da177e4SLinus Torvalds 22021da177e4SLinus Torvalds 22031da177e4SLinus Torvalds /***************************************************************************/ 2204a2ba192cSAdrian Bunk static int int_tul_bad_seq(HCS * pCurHcb) 22051da177e4SLinus Torvalds { /* target wrong phase */ 22061da177e4SLinus Torvalds SCB *pCurScb; 22071da177e4SLinus Torvalds int i; 22081da177e4SLinus Torvalds 22091da177e4SLinus Torvalds tul_reset_scsi(pCurHcb, 10); 22101da177e4SLinus Torvalds 22111da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 22121da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 22131da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 22141da177e4SLinus Torvalds } 22151da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; i++) { 22161da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 22171da177e4SLinus Torvalds } 22181da177e4SLinus Torvalds return (-1); 22191da177e4SLinus Torvalds } 22201da177e4SLinus Torvalds 22211da177e4SLinus Torvalds 22221da177e4SLinus Torvalds /***************************************************************************/ 22231da177e4SLinus Torvalds int tul_msgout_abort_targ(HCS * pCurHcb) 22241da177e4SLinus Torvalds { 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22271da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) == -1) 22281da177e4SLinus Torvalds return (-1); 22291da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 22301da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 22311da177e4SLinus Torvalds 22321da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT); 22331da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 22341da177e4SLinus Torvalds 22351da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22361da177e4SLinus Torvalds } 22371da177e4SLinus Torvalds 22381da177e4SLinus Torvalds /***************************************************************************/ 22391da177e4SLinus Torvalds int tul_msgout_abort_tag(HCS * pCurHcb) 22401da177e4SLinus Torvalds { 22411da177e4SLinus Torvalds 22421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22431da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) == -1) 22441da177e4SLinus Torvalds return (-1); 22451da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) 22461da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 22471da177e4SLinus Torvalds 22481da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT_TAG); 22491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 22501da177e4SLinus Torvalds 22511da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22521da177e4SLinus Torvalds 22531da177e4SLinus Torvalds } 22541da177e4SLinus Torvalds 22551da177e4SLinus Torvalds /***************************************************************************/ 22561da177e4SLinus Torvalds int tul_msgin(HCS * pCurHcb) 22571da177e4SLinus Torvalds { 22581da177e4SLinus Torvalds TCS *pCurTcb; 22591da177e4SLinus Torvalds 22601da177e4SLinus Torvalds for (;;) { 22611da177e4SLinus Torvalds 22621da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 22631da177e4SLinus Torvalds 22641da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 22651da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 22661da177e4SLinus Torvalds if ((wait_tulip(pCurHcb)) == -1) 22671da177e4SLinus Torvalds return (-1); 22681da177e4SLinus Torvalds 22691da177e4SLinus Torvalds switch (TUL_RD(pCurHcb->HCS_Base, TUL_SFifo)) { 22701da177e4SLinus Torvalds case MSG_DISC: /* Disconnect msg */ 22711da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 22721da177e4SLinus Torvalds 22731da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 22741da177e4SLinus Torvalds 22751da177e4SLinus Torvalds case MSG_SDP: 22761da177e4SLinus Torvalds case MSG_RESTORE: 22771da177e4SLinus Torvalds case MSG_NOP: 22781da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22791da177e4SLinus Torvalds break; 22801da177e4SLinus Torvalds 22811da177e4SLinus Torvalds case MSG_REJ: /* Clear ATN first */ 22821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 22831da177e4SLinus Torvalds (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7))); 22841da177e4SLinus Torvalds pCurTcb = pCurHcb->HCS_ActTcs; 22851da177e4SLinus Torvalds if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync nego */ 22861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 22871da177e4SLinus Torvalds } 22881da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22891da177e4SLinus Torvalds break; 22901da177e4SLinus Torvalds 22911da177e4SLinus Torvalds case MSG_EXTEND: /* extended msg */ 22921da177e4SLinus Torvalds tul_msgin_extend(pCurHcb); 22931da177e4SLinus Torvalds break; 22941da177e4SLinus Torvalds 22951da177e4SLinus Torvalds case MSG_IGNOREWIDE: 22961da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 22971da177e4SLinus Torvalds break; 22981da177e4SLinus Torvalds 22991da177e4SLinus Torvalds /* get */ 23001da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23011da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23021da177e4SLinus Torvalds return -1; 23031da177e4SLinus Torvalds 23041da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); /* put pad */ 23051da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get IGNORE field */ 23061da177e4SLinus Torvalds TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get pad */ 23071da177e4SLinus Torvalds 23081da177e4SLinus Torvalds tul_msgin_accept(pCurHcb); 23091da177e4SLinus Torvalds break; 23101da177e4SLinus Torvalds 23111da177e4SLinus Torvalds case MSG_COMP: 23121da177e4SLinus Torvalds { 23131da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 23141da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 23151da177e4SLinus Torvalds return tul_wait_done_disc(pCurHcb); 23161da177e4SLinus Torvalds } 23171da177e4SLinus Torvalds default: 23181da177e4SLinus Torvalds tul_msgout_reject(pCurHcb); 23191da177e4SLinus Torvalds break; 23201da177e4SLinus Torvalds } 23211da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_IN) 23221da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23231da177e4SLinus Torvalds } 23241da177e4SLinus Torvalds /* statement won't reach here */ 23251da177e4SLinus Torvalds } 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvalds 23281da177e4SLinus Torvalds 23291da177e4SLinus Torvalds 23301da177e4SLinus Torvalds /***************************************************************************/ 23311da177e4SLinus Torvalds int tul_msgout_reject(HCS * pCurHcb) 23321da177e4SLinus Torvalds { 23331da177e4SLinus Torvalds 23341da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 23351da177e4SLinus Torvalds 23361da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) == -1) 23371da177e4SLinus Torvalds return (-1); 23381da177e4SLinus Torvalds 23391da177e4SLinus Torvalds if (pCurHcb->HCS_Phase == MSG_OUT) { 23401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_REJ); /* Msg reject */ 23411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 23421da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 23431da177e4SLinus Torvalds } 23441da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23451da177e4SLinus Torvalds } 23461da177e4SLinus Torvalds 23471da177e4SLinus Torvalds 23481da177e4SLinus Torvalds 23491da177e4SLinus Torvalds /***************************************************************************/ 23501da177e4SLinus Torvalds int tul_msgout_ide(HCS * pCurHcb) 23511da177e4SLinus Torvalds { 23521da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_IDE); /* Initiator Detected Error */ 23531da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 23541da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 23551da177e4SLinus Torvalds } 23561da177e4SLinus Torvalds 23571da177e4SLinus Torvalds 23581da177e4SLinus Torvalds /***************************************************************************/ 23591da177e4SLinus Torvalds int tul_msgin_extend(HCS * pCurHcb) 23601da177e4SLinus Torvalds { 23611da177e4SLinus Torvalds BYTE len, idx; 23621da177e4SLinus Torvalds 23631da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) != MSG_IN) 23641da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23651da177e4SLinus Torvalds 23661da177e4SLinus Torvalds /* Get extended msg length */ 23671da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 23681da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23691da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23701da177e4SLinus Torvalds return (-1); 23711da177e4SLinus Torvalds 23721da177e4SLinus Torvalds len = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 23731da177e4SLinus Torvalds pCurHcb->HCS_Msg[0] = len; 23741da177e4SLinus Torvalds for (idx = 1; len != 0; len--) { 23751da177e4SLinus Torvalds 23761da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) != MSG_IN) 23771da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 23781da177e4SLinus Torvalds TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1); 23791da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN); 23801da177e4SLinus Torvalds if (wait_tulip(pCurHcb) == -1) 23811da177e4SLinus Torvalds return (-1); 23821da177e4SLinus Torvalds pCurHcb->HCS_Msg[idx++] = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); 23831da177e4SLinus Torvalds } 23841da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[1] == 1) { /* if it's synchronous data transfer request */ 23851da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[0] != 3) /* if length is not right */ 23861da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 23871da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ 23881da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 23891da177e4SLinus Torvalds } else { 23901da177e4SLinus Torvalds if ((tul_msgin_sync(pCurHcb) == 0) && 23911da177e4SLinus Torvalds (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SYNC_DONE)) { 23921da177e4SLinus Torvalds tul_sync_done(pCurHcb); 23931da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 23941da177e4SLinus Torvalds } 23951da177e4SLinus Torvalds } 23961da177e4SLinus Torvalds 23971da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 23981da177e4SLinus Torvalds if ((tul_msgin_accept(pCurHcb)) != MSG_OUT) 23991da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 24001da177e4SLinus Torvalds /* sync msg out */ 24011da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); 24021da177e4SLinus Torvalds 24031da177e4SLinus Torvalds tul_sync_done(pCurHcb); 24041da177e4SLinus Torvalds 24051da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 24061da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); 24071da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); 24081da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); 24091da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[3]); 24101da177e4SLinus Torvalds 24111da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 24121da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 24131da177e4SLinus Torvalds } 24141da177e4SLinus Torvalds if ((pCurHcb->HCS_Msg[0] != 2) || (pCurHcb->HCS_Msg[1] != 3)) 24151da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 24161da177e4SLinus Torvalds /* if it's WIDE DATA XFER REQ */ 24171da177e4SLinus Torvalds if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) { 24181da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = 0; 24191da177e4SLinus Torvalds } else { 24201da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] > 2) /* > 32 bits */ 24211da177e4SLinus Torvalds return (tul_msgout_reject(pCurHcb)); 24221da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] == 2) { /* == 32 */ 24231da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = 1; 24241da177e4SLinus Torvalds } else { 24251da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) == 0) { 24261da177e4SLinus Torvalds wdtr_done(pCurHcb); 24271da177e4SLinus Torvalds if ((pCurHcb->HCS_ActTcs->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) 24281da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 24291da177e4SLinus Torvalds return (tul_msgin_accept(pCurHcb)); 24301da177e4SLinus Torvalds } 24311da177e4SLinus Torvalds } 24321da177e4SLinus Torvalds } 24331da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN)); 24341da177e4SLinus Torvalds 24351da177e4SLinus Torvalds if (tul_msgin_accept(pCurHcb) != MSG_OUT) 24361da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 24371da177e4SLinus Torvalds /* WDTR msg out */ 24381da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND); 24391da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); 24401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); 24411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]); 24421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 24431da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 24441da177e4SLinus Torvalds } 24451da177e4SLinus Torvalds 24461da177e4SLinus Torvalds /***************************************************************************/ 24471da177e4SLinus Torvalds int tul_msgin_sync(HCS * pCurHcb) 24481da177e4SLinus Torvalds { 24491da177e4SLinus Torvalds char default_period; 24501da177e4SLinus Torvalds 24511da177e4SLinus Torvalds default_period = tul_rate_tbl[pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SCSI_RATE]; 24521da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3] > MAX_OFFSET) { 24531da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = MAX_OFFSET; 24541da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] < default_period) { 24551da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = default_period; 24561da177e4SLinus Torvalds return 1; 24571da177e4SLinus Torvalds } 24581da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] >= 59) { /* Change to async */ 24591da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 24601da177e4SLinus Torvalds } 24611da177e4SLinus Torvalds return 1; 24621da177e4SLinus Torvalds } 24631da177e4SLinus Torvalds /* offset requests asynchronous transfers ? */ 24641da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3] == 0) { 24651da177e4SLinus Torvalds return 0; 24661da177e4SLinus Torvalds } 24671da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] < default_period) { 24681da177e4SLinus Torvalds pCurHcb->HCS_Msg[2] = default_period; 24691da177e4SLinus Torvalds return 1; 24701da177e4SLinus Torvalds } 24711da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2] >= 59) { 24721da177e4SLinus Torvalds pCurHcb->HCS_Msg[3] = 0; 24731da177e4SLinus Torvalds return 1; 24741da177e4SLinus Torvalds } 24751da177e4SLinus Torvalds return 0; 24761da177e4SLinus Torvalds } 24771da177e4SLinus Torvalds 24781da177e4SLinus Torvalds 24791da177e4SLinus Torvalds /***************************************************************************/ 24801da177e4SLinus Torvalds int wdtr_done(HCS * pCurHcb) 24811da177e4SLinus Torvalds { 24821da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags &= ~TCF_SYNC_DONE; 24831da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_WDTR_DONE; 24841da177e4SLinus Torvalds 24851da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period = 0; 24861da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[2]) { /* if 16 bit */ 24871da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= TSC_WIDE_SCSI; 24881da177e4SLinus Torvalds } 24891da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_SConfig0 &= ~TSC_ALT_PERIOD; 24901da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); 24911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); 24921da177e4SLinus Torvalds 24931da177e4SLinus Torvalds return 1; 24941da177e4SLinus Torvalds } 24951da177e4SLinus Torvalds 24961da177e4SLinus Torvalds /***************************************************************************/ 24971da177e4SLinus Torvalds int tul_sync_done(HCS * pCurHcb) 24981da177e4SLinus Torvalds { 24991da177e4SLinus Torvalds int i; 25001da177e4SLinus Torvalds 25011da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_SYNC_DONE; 25021da177e4SLinus Torvalds 25031da177e4SLinus Torvalds if (pCurHcb->HCS_Msg[3]) { 25041da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= pCurHcb->HCS_Msg[3]; 25051da177e4SLinus Torvalds for (i = 0; i < 8; i++) { 25061da177e4SLinus Torvalds if (tul_rate_tbl[i] >= pCurHcb->HCS_Msg[2]) /* pick the big one */ 25071da177e4SLinus Torvalds break; 25081da177e4SLinus Torvalds } 25091da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_JS_Period |= (i << 4); 25101da177e4SLinus Torvalds pCurHcb->HCS_ActTcs->TCS_SConfig0 |= TSC_ALT_PERIOD; 25111da177e4SLinus Torvalds } 25121da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0); 25131da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period); 25141da177e4SLinus Torvalds 25151da177e4SLinus Torvalds return (-1); 25161da177e4SLinus Torvalds } 25171da177e4SLinus Torvalds 25181da177e4SLinus Torvalds 25191da177e4SLinus Torvalds int tul_post_scsi_rst(HCS * pCurHcb) 25201da177e4SLinus Torvalds { 25211da177e4SLinus Torvalds SCB *pCurScb; 25221da177e4SLinus Torvalds TCS *pCurTcb; 25231da177e4SLinus Torvalds int i; 25241da177e4SLinus Torvalds 25251da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 25261da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 25271da177e4SLinus Torvalds pCurHcb->HCS_Flags = 0; 25281da177e4SLinus Torvalds 25291da177e4SLinus Torvalds while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) { 25301da177e4SLinus Torvalds pCurScb->SCB_HaStat = HOST_BAD_PHAS; 25311da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurScb); 25321da177e4SLinus Torvalds } 25331da177e4SLinus Torvalds /* clear sync done flag */ 25341da177e4SLinus Torvalds pCurTcb = &pCurHcb->HCS_Tcs[0]; 25351da177e4SLinus Torvalds for (i = 0; i < pCurHcb->HCS_MaxTar; pCurTcb++, i++) { 25361da177e4SLinus Torvalds pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); 25371da177e4SLinus Torvalds /* Initialize the sync. xfer register values to an asyn xfer */ 25381da177e4SLinus Torvalds pCurTcb->TCS_JS_Period = 0; 25391da177e4SLinus Torvalds pCurTcb->TCS_SConfig0 = pCurHcb->HCS_SConf1; 25401da177e4SLinus Torvalds pCurHcb->HCS_ActTags[0] = 0; /* 07/22/98 */ 25411da177e4SLinus Torvalds pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; /* 07/22/98 */ 25421da177e4SLinus Torvalds } /* for */ 25431da177e4SLinus Torvalds 25441da177e4SLinus Torvalds return (-1); 25451da177e4SLinus Torvalds } 25461da177e4SLinus Torvalds 25471da177e4SLinus Torvalds /***************************************************************************/ 25481da177e4SLinus Torvalds void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb) 25491da177e4SLinus Torvalds { 25501da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25511da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x1; 25521da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25531da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25541da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SELATNSTOP); 25551da177e4SLinus Torvalds return; 25561da177e4SLinus Torvalds } 25571da177e4SLinus Torvalds 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds /***************************************************************************/ 25601da177e4SLinus Torvalds void tul_select_atn(HCS * pCurHcb, SCB * pCurScb) 25611da177e4SLinus Torvalds { 25621da177e4SLinus Torvalds int i; 25631da177e4SLinus Torvalds 25641da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25651da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x2; 25661da177e4SLinus Torvalds 25671da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 25681da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 25691da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 25701da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25711da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25721da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN); 25731da177e4SLinus Torvalds return; 25741da177e4SLinus Torvalds } 25751da177e4SLinus Torvalds 25761da177e4SLinus Torvalds /***************************************************************************/ 25771da177e4SLinus Torvalds void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb) 25781da177e4SLinus Torvalds { 25791da177e4SLinus Torvalds int i; 25801da177e4SLinus Torvalds 25811da177e4SLinus Torvalds pCurScb->SCB_Status |= SCB_SELECT; 25821da177e4SLinus Torvalds pCurScb->SCB_NxtStat = 0x2; 25831da177e4SLinus Torvalds 25841da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident); 25851da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg); 25861da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId); 25871da177e4SLinus Torvalds for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++) 25881da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]); 25891da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target]; 25901da177e4SLinus Torvalds pCurHcb->HCS_ActScb = pCurScb; 25911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN3); 25921da177e4SLinus Torvalds return; 25931da177e4SLinus Torvalds } 25941da177e4SLinus Torvalds 25951da177e4SLinus Torvalds /***************************************************************************/ 25961da177e4SLinus Torvalds /* SCSI Bus Device Reset */ 25971da177e4SLinus Torvalds int tul_bus_device_reset(HCS * pCurHcb) 25981da177e4SLinus Torvalds { 25991da177e4SLinus Torvalds SCB *pCurScb = pCurHcb->HCS_ActScb; 26001da177e4SLinus Torvalds TCS *pCurTcb = pCurHcb->HCS_ActTcs; 26011da177e4SLinus Torvalds SCB *pTmpScb, *pPrevScb; 26021da177e4SLinus Torvalds BYTE tar; 26031da177e4SLinus Torvalds 26041da177e4SLinus Torvalds if (pCurHcb->HCS_Phase != MSG_OUT) { 26051da177e4SLinus Torvalds return (int_tul_bad_seq(pCurHcb)); /* Unexpected phase */ 26061da177e4SLinus Torvalds } 26071da177e4SLinus Torvalds tul_unlink_pend_scb(pCurHcb, pCurScb); 26081da177e4SLinus Torvalds tul_release_scb(pCurHcb, pCurScb); 26091da177e4SLinus Torvalds 26101da177e4SLinus Torvalds 26111da177e4SLinus Torvalds tar = pCurScb->SCB_Target; /* target */ 26121da177e4SLinus Torvalds pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY); 26131da177e4SLinus Torvalds /* clr sync. nego & WDTR flags 07/22/98 */ 26141da177e4SLinus Torvalds 26151da177e4SLinus Torvalds /* abort all SCB with same target */ 26161da177e4SLinus Torvalds pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */ 26171da177e4SLinus Torvalds while (pTmpScb != NULL) { 26181da177e4SLinus Torvalds 26191da177e4SLinus Torvalds if (pTmpScb->SCB_Target == tar) { 26201da177e4SLinus Torvalds /* unlink it */ 26211da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_FirstBusy) { 26221da177e4SLinus Torvalds if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL) 26231da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = NULL; 26241da177e4SLinus Torvalds } else { 26251da177e4SLinus Torvalds pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb; 26261da177e4SLinus Torvalds if (pTmpScb == pCurHcb->HCS_LastBusy) 26271da177e4SLinus Torvalds pCurHcb->HCS_LastBusy = pPrevScb; 26281da177e4SLinus Torvalds } 26291da177e4SLinus Torvalds pTmpScb->SCB_HaStat = HOST_ABORTED; 26301da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pTmpScb); 26311da177e4SLinus Torvalds } 26321da177e4SLinus Torvalds /* Previous haven't change */ 26331da177e4SLinus Torvalds else { 26341da177e4SLinus Torvalds pPrevScb = pTmpScb; 26351da177e4SLinus Torvalds } 26361da177e4SLinus Torvalds pTmpScb = pTmpScb->SCB_NxtScb; 26371da177e4SLinus Torvalds } 26381da177e4SLinus Torvalds 26391da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_DEVRST); 26401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT); 26411da177e4SLinus Torvalds 26421da177e4SLinus Torvalds return tul_wait_disc(pCurHcb); 26431da177e4SLinus Torvalds 26441da177e4SLinus Torvalds } 26451da177e4SLinus Torvalds 26461da177e4SLinus Torvalds /***************************************************************************/ 26471da177e4SLinus Torvalds int tul_msgin_accept(HCS * pCurHcb) 26481da177e4SLinus Torvalds { 26491da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT); 26501da177e4SLinus Torvalds return (wait_tulip(pCurHcb)); 26511da177e4SLinus Torvalds } 26521da177e4SLinus Torvalds 26531da177e4SLinus Torvalds /***************************************************************************/ 26541da177e4SLinus Torvalds int wait_tulip(HCS * pCurHcb) 26551da177e4SLinus Torvalds { 26561da177e4SLinus Torvalds 26571da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 26581da177e4SLinus Torvalds & TSS_INT_PENDING)); 26591da177e4SLinus Torvalds 26601da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 26611da177e4SLinus Torvalds pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK; 26621da177e4SLinus Torvalds pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1); 26631da177e4SLinus Torvalds 26641da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if SCSI bus reset detected */ 26651da177e4SLinus Torvalds return (int_tul_resel(pCurHcb)); 26661da177e4SLinus Torvalds } 26671da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { /* if selected/reselected timeout interrupt */ 26681da177e4SLinus Torvalds return (int_tul_busfree(pCurHcb)); 26691da177e4SLinus Torvalds } 26701da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 26711da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 26721da177e4SLinus Torvalds } 26731da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 26741da177e4SLinus Torvalds if (pCurHcb->HCS_Flags & HCF_EXPECT_DONE_DISC) { 26751da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 26761da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); 26771da177e4SLinus Torvalds pCurHcb->HCS_ActScb->SCB_HaStat = 0; 26781da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); 26791da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 26801da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 26811da177e4SLinus Torvalds pCurHcb->HCS_Flags &= ~HCF_EXPECT_DONE_DISC; 26821da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 26831da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 26841da177e4SLinus Torvalds return (-1); 26851da177e4SLinus Torvalds } 26861da177e4SLinus Torvalds if (pCurHcb->HCS_Flags & HCF_EXPECT_DISC) { 26871da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 26881da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 26891da177e4SLinus Torvalds pCurHcb->HCS_ActTcs = NULL; 26901da177e4SLinus Torvalds pCurHcb->HCS_Flags &= ~HCF_EXPECT_DISC; 26911da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 26921da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 26931da177e4SLinus Torvalds return (-1); 26941da177e4SLinus Torvalds } 26951da177e4SLinus Torvalds return (int_tul_busfree(pCurHcb)); 26961da177e4SLinus Torvalds } 26971da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { 26981da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 26991da177e4SLinus Torvalds } 27001da177e4SLinus Torvalds return (pCurHcb->HCS_Phase); 27011da177e4SLinus Torvalds } 27021da177e4SLinus Torvalds /***************************************************************************/ 27031da177e4SLinus Torvalds int tul_wait_disc(HCS * pCurHcb) 27041da177e4SLinus Torvalds { 27051da177e4SLinus Torvalds 27061da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 27071da177e4SLinus Torvalds & TSS_INT_PENDING)); 27081da177e4SLinus Torvalds 27091da177e4SLinus Torvalds 27101da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 27111da177e4SLinus Torvalds 27121da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 27131da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 27141da177e4SLinus Torvalds } 27151da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 27161da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 27171da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 27181da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 27191da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 27201da177e4SLinus Torvalds return (-1); 27211da177e4SLinus Torvalds } 27221da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 27231da177e4SLinus Torvalds } 27241da177e4SLinus Torvalds 27251da177e4SLinus Torvalds /***************************************************************************/ 27261da177e4SLinus Torvalds int tul_wait_done_disc(HCS * pCurHcb) 27271da177e4SLinus Torvalds { 27281da177e4SLinus Torvalds 27291da177e4SLinus Torvalds 27301da177e4SLinus Torvalds while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) 27311da177e4SLinus Torvalds & TSS_INT_PENDING)); 27321da177e4SLinus Torvalds 27331da177e4SLinus Torvalds pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt); 27341da177e4SLinus Torvalds 27351da177e4SLinus Torvalds 27361da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */ 27371da177e4SLinus Torvalds return (int_tul_scsi_rst(pCurHcb)); 27381da177e4SLinus Torvalds } 27391da177e4SLinus Torvalds if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */ 27401da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */ 27411da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT); 27421da177e4SLinus Torvalds TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */ 27431da177e4SLinus Torvalds tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb); 27441da177e4SLinus Torvalds 27451da177e4SLinus Torvalds tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb); 27461da177e4SLinus Torvalds pCurHcb->HCS_ActScb = NULL; 27471da177e4SLinus Torvalds return (-1); 27481da177e4SLinus Torvalds } 27491da177e4SLinus Torvalds return (tul_bad_seq(pCurHcb)); 27501da177e4SLinus Torvalds } 27511da177e4SLinus Torvalds 27521da177e4SLinus Torvalds static irqreturn_t i91u_intr(int irqno, void *dev_id, struct pt_regs *regs) 27531da177e4SLinus Torvalds { 27541da177e4SLinus Torvalds struct Scsi_Host *dev = dev_id; 27551da177e4SLinus Torvalds unsigned long flags; 27561da177e4SLinus Torvalds 27571da177e4SLinus Torvalds spin_lock_irqsave(dev->host_lock, flags); 27581da177e4SLinus Torvalds tul_isr((HCS *)dev->base); 27591da177e4SLinus Torvalds spin_unlock_irqrestore(dev->host_lock, flags); 27601da177e4SLinus Torvalds return IRQ_HANDLED; 27611da177e4SLinus Torvalds } 27621da177e4SLinus Torvalds 27631da177e4SLinus Torvalds static int tul_NewReturnNumberOfAdapters(void) 27641da177e4SLinus Torvalds { 27651da177e4SLinus Torvalds struct pci_dev *pDev = NULL; /* Start from none */ 27661da177e4SLinus Torvalds int iAdapters = 0; 27671da177e4SLinus Torvalds long dRegValue; 27681da177e4SLinus Torvalds WORD wBIOS; 27691da177e4SLinus Torvalds int i = 0; 27701da177e4SLinus Torvalds 27711da177e4SLinus Torvalds init_i91uAdapter_table(); 27721da177e4SLinus Torvalds 27731da177e4SLinus Torvalds for (i = 0; i < TULSZ(i91u_pci_devices); i++) 27741da177e4SLinus Torvalds { 27751da177e4SLinus Torvalds while ((pDev = pci_find_device(i91u_pci_devices[i].vendor_id, i91u_pci_devices[i].device_id, pDev)) != NULL) { 27761da177e4SLinus Torvalds if (pci_enable_device(pDev)) 27771da177e4SLinus Torvalds continue; 27781da177e4SLinus Torvalds pci_read_config_dword(pDev, 0x44, (u32 *) & dRegValue); 27791da177e4SLinus Torvalds wBIOS = (UWORD) (dRegValue & 0xFF); 27801da177e4SLinus Torvalds if (((dRegValue & 0xFF00) >> 8) == 0xFF) 27811da177e4SLinus Torvalds dRegValue = 0; 27821da177e4SLinus Torvalds wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8)); 27831da177e4SLinus Torvalds if (pci_set_dma_mask(pDev, 0xffffffff)) { 27841da177e4SLinus Torvalds printk(KERN_WARNING 27851da177e4SLinus Torvalds "i91u: Could not set 32 bit DMA mask\n"); 27861da177e4SLinus Torvalds continue; 27871da177e4SLinus Torvalds } 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvalds if (Addi91u_into_Adapter_table(wBIOS, 27901da177e4SLinus Torvalds (pDev->resource[0].start), 27911da177e4SLinus Torvalds pDev->irq, 27921da177e4SLinus Torvalds pDev->bus->number, 27931da177e4SLinus Torvalds (pDev->devfn >> 3) 27941da177e4SLinus Torvalds ) == 0) 27951da177e4SLinus Torvalds iAdapters++; 27961da177e4SLinus Torvalds } 27971da177e4SLinus Torvalds } 27981da177e4SLinus Torvalds 27991da177e4SLinus Torvalds return (iAdapters); 28001da177e4SLinus Torvalds } 28011da177e4SLinus Torvalds 28021da177e4SLinus Torvalds static int i91u_detect(struct scsi_host_template * tpnt) 28031da177e4SLinus Torvalds { 28041da177e4SLinus Torvalds HCS *pHCB; 28051da177e4SLinus Torvalds struct Scsi_Host *hreg; 28061da177e4SLinus Torvalds unsigned long i; /* 01/14/98 */ 28071da177e4SLinus Torvalds int ok = 0, iAdapters; 28081da177e4SLinus Torvalds ULONG dBiosAdr; 28091da177e4SLinus Torvalds BYTE *pbBiosAdr; 28101da177e4SLinus Torvalds 28111da177e4SLinus Torvalds /* Get total number of adapters in the motherboard */ 28121da177e4SLinus Torvalds iAdapters = tul_NewReturnNumberOfAdapters(); 28131da177e4SLinus Torvalds if (iAdapters == 0) /* If no tulip founded, return */ 28141da177e4SLinus Torvalds return (0); 28151da177e4SLinus Torvalds 28161da177e4SLinus Torvalds tul_num_ch = (iAdapters > tul_num_ch) ? tul_num_ch : iAdapters; 28171da177e4SLinus Torvalds /* Update actually channel number */ 28181da177e4SLinus Torvalds if (tul_tag_enable) { /* 1.01i */ 28191da177e4SLinus Torvalds tul_num_scb = MAX_TARGETS * i91u_MAXQUEUE; 28201da177e4SLinus Torvalds } else { 28211da177e4SLinus Torvalds tul_num_scb = MAX_TARGETS + 3; /* 1-tape, 1-CD_ROM, 1- extra */ 28221da177e4SLinus Torvalds } /* Update actually SCBs per adapter */ 28231da177e4SLinus Torvalds 28241da177e4SLinus Torvalds /* Get total memory needed for HCS */ 28251da177e4SLinus Torvalds i = tul_num_ch * sizeof(HCS); 28261da177e4SLinus Torvalds memset((unsigned char *) &tul_hcs[0], 0, i); /* Initialize tul_hcs 0 */ 28271da177e4SLinus Torvalds /* Get total memory needed for SCB */ 28281da177e4SLinus Torvalds 28291da177e4SLinus Torvalds for (; tul_num_scb >= MAX_TARGETS + 3; tul_num_scb--) { 28301da177e4SLinus Torvalds i = tul_num_ch * tul_num_scb * sizeof(SCB); 28311da177e4SLinus Torvalds if ((tul_scb = (SCB *) kmalloc(i, GFP_ATOMIC | GFP_DMA)) != NULL) 28321da177e4SLinus Torvalds break; 28331da177e4SLinus Torvalds } 28341da177e4SLinus Torvalds if (tul_scb == NULL) { 28351da177e4SLinus Torvalds printk("i91u: SCB memory allocation error\n"); 28361da177e4SLinus Torvalds return (0); 28371da177e4SLinus Torvalds } 28381da177e4SLinus Torvalds memset((unsigned char *) tul_scb, 0, i); 28391da177e4SLinus Torvalds 28401da177e4SLinus Torvalds for (i = 0, pHCB = &tul_hcs[0]; /* Get pointer for control block */ 28411da177e4SLinus Torvalds i < tul_num_ch; 28421da177e4SLinus Torvalds i++, pHCB++) { 28431da177e4SLinus Torvalds get_tulipPCIConfig(pHCB, i); 28441da177e4SLinus Torvalds 28451da177e4SLinus Torvalds dBiosAdr = pHCB->HCS_BIOS; 28461da177e4SLinus Torvalds dBiosAdr = (dBiosAdr << 4); 28471da177e4SLinus Torvalds 28481da177e4SLinus Torvalds pbBiosAdr = phys_to_virt(dBiosAdr); 28491da177e4SLinus Torvalds 28501da177e4SLinus Torvalds init_tulip(pHCB, tul_scb + (i * tul_num_scb), tul_num_scb, pbBiosAdr, 10); 28511da177e4SLinus Torvalds request_region(pHCB->HCS_Base, 256, "i91u"); /* Register */ 28521da177e4SLinus Torvalds 28531da177e4SLinus Torvalds pHCB->HCS_Index = i; /* 7/29/98 */ 28541da177e4SLinus Torvalds hreg = scsi_register(tpnt, sizeof(HCS)); 28551da177e4SLinus Torvalds if(hreg == NULL) { 28561da177e4SLinus Torvalds release_region(pHCB->HCS_Base, 256); 28571da177e4SLinus Torvalds return 0; 28581da177e4SLinus Torvalds } 28591da177e4SLinus Torvalds hreg->io_port = pHCB->HCS_Base; 28601da177e4SLinus Torvalds hreg->n_io_port = 0xff; 28611da177e4SLinus Torvalds hreg->can_queue = tul_num_scb; /* 03/05/98 */ 28621da177e4SLinus Torvalds hreg->unique_id = pHCB->HCS_Base; 28631da177e4SLinus Torvalds hreg->max_id = pHCB->HCS_MaxTar; 28641da177e4SLinus Torvalds hreg->max_lun = 32; /* 10/21/97 */ 28651da177e4SLinus Torvalds hreg->irq = pHCB->HCS_Intr; 28661da177e4SLinus Torvalds hreg->this_id = pHCB->HCS_SCSI_ID; /* Assign HCS index */ 28671da177e4SLinus Torvalds hreg->base = (unsigned long)pHCB; 28681da177e4SLinus Torvalds hreg->sg_tablesize = TOTAL_SG_ENTRY; /* Maximun support is 32 */ 28691da177e4SLinus Torvalds 28701da177e4SLinus Torvalds /* Initial tulip chip */ 28711da177e4SLinus Torvalds ok = request_irq(pHCB->HCS_Intr, i91u_intr, SA_INTERRUPT | SA_SHIRQ, "i91u", hreg); 28721da177e4SLinus Torvalds if (ok < 0) { 28731da177e4SLinus Torvalds printk(KERN_WARNING "i91u: unable to request IRQ %d\n\n", pHCB->HCS_Intr); 28741da177e4SLinus Torvalds return 0; 28751da177e4SLinus Torvalds } 28761da177e4SLinus Torvalds } 28771da177e4SLinus Torvalds 28781da177e4SLinus Torvalds tpnt->this_id = -1; 28791da177e4SLinus Torvalds tpnt->can_queue = 1; 28801da177e4SLinus Torvalds 28811da177e4SLinus Torvalds return 1; 28821da177e4SLinus Torvalds } 28831da177e4SLinus Torvalds 28841da177e4SLinus Torvalds static void i91uBuildSCB(HCS * pHCB, SCB * pSCB, struct scsi_cmnd * SCpnt) 28851da177e4SLinus Torvalds { /* Create corresponding SCB */ 28861da177e4SLinus Torvalds struct scatterlist *pSrbSG; 28871da177e4SLinus Torvalds SG *pSG; /* Pointer to SG list */ 28881da177e4SLinus Torvalds int i; 28891da177e4SLinus Torvalds long TotalLen; 28901da177e4SLinus Torvalds dma_addr_t dma_addr; 28911da177e4SLinus Torvalds 28921da177e4SLinus Torvalds pSCB->SCB_Post = i91uSCBPost; /* i91u's callback routine */ 28931da177e4SLinus Torvalds pSCB->SCB_Srb = SCpnt; 28941da177e4SLinus Torvalds pSCB->SCB_Opcode = ExecSCSI; 28951da177e4SLinus Torvalds pSCB->SCB_Flags = SCF_POST; /* After SCSI done, call post routine */ 28961da177e4SLinus Torvalds pSCB->SCB_Target = SCpnt->device->id; 28971da177e4SLinus Torvalds pSCB->SCB_Lun = SCpnt->device->lun; 28981da177e4SLinus Torvalds pSCB->SCB_Ident = SCpnt->device->lun | DISC_ALLOW; 28991da177e4SLinus Torvalds 29001da177e4SLinus Torvalds pSCB->SCB_Flags |= SCF_SENSE; /* Turn on auto request sense */ 29011da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->sense_buffer, 29021da177e4SLinus Torvalds SENSE_SIZE, DMA_FROM_DEVICE); 29031da177e4SLinus Torvalds pSCB->SCB_SensePtr = cpu_to_le32((u32)dma_addr); 29041da177e4SLinus Torvalds pSCB->SCB_SenseLen = cpu_to_le32(SENSE_SIZE); 29051da177e4SLinus Torvalds SCpnt->SCp.ptr = (char *)(unsigned long)dma_addr; 29061da177e4SLinus Torvalds 29071da177e4SLinus Torvalds pSCB->SCB_CDBLen = SCpnt->cmd_len; 29081da177e4SLinus Torvalds pSCB->SCB_HaStat = 0; 29091da177e4SLinus Torvalds pSCB->SCB_TaStat = 0; 29101da177e4SLinus Torvalds memcpy(&pSCB->SCB_CDB[0], &SCpnt->cmnd, SCpnt->cmd_len); 29111da177e4SLinus Torvalds 29121da177e4SLinus Torvalds if (SCpnt->device->tagged_supported) { /* Tag Support */ 29131da177e4SLinus Torvalds pSCB->SCB_TagMsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ 29141da177e4SLinus Torvalds } else { 29151da177e4SLinus Torvalds pSCB->SCB_TagMsg = 0; /* No tag support */ 29161da177e4SLinus Torvalds } 29171da177e4SLinus Torvalds /* todo handle map_sg error */ 29181da177e4SLinus Torvalds if (SCpnt->use_sg) { 29191da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, &pSCB->SCB_SGList[0], 29201da177e4SLinus Torvalds sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, 29211da177e4SLinus Torvalds DMA_BIDIRECTIONAL); 29221da177e4SLinus Torvalds pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); 29231da177e4SLinus Torvalds SCpnt->SCp.dma_handle = dma_addr; 29241da177e4SLinus Torvalds 29251da177e4SLinus Torvalds pSrbSG = (struct scatterlist *) SCpnt->request_buffer; 29261da177e4SLinus Torvalds pSCB->SCB_SGLen = dma_map_sg(&pHCB->pci_dev->dev, pSrbSG, 29271da177e4SLinus Torvalds SCpnt->use_sg, SCpnt->sc_data_direction); 29281da177e4SLinus Torvalds 29291da177e4SLinus Torvalds pSCB->SCB_Flags |= SCF_SG; /* Turn on SG list flag */ 29301da177e4SLinus Torvalds for (i = 0, TotalLen = 0, pSG = &pSCB->SCB_SGList[0]; /* 1.01g */ 29311da177e4SLinus Torvalds i < pSCB->SCB_SGLen; i++, pSG++, pSrbSG++) { 29321da177e4SLinus Torvalds pSG->SG_Ptr = cpu_to_le32((u32)sg_dma_address(pSrbSG)); 29331da177e4SLinus Torvalds TotalLen += pSG->SG_Len = cpu_to_le32((u32)sg_dma_len(pSrbSG)); 29341da177e4SLinus Torvalds } 29351da177e4SLinus Torvalds 29361da177e4SLinus Torvalds pSCB->SCB_BufLen = (SCpnt->request_bufflen > TotalLen) ? 29371da177e4SLinus Torvalds TotalLen : SCpnt->request_bufflen; 29381da177e4SLinus Torvalds } else if (SCpnt->request_bufflen) { /* Non SG */ 29391da177e4SLinus Torvalds dma_addr = dma_map_single(&pHCB->pci_dev->dev, SCpnt->request_buffer, 29401da177e4SLinus Torvalds SCpnt->request_bufflen, 29411da177e4SLinus Torvalds SCpnt->sc_data_direction); 29421da177e4SLinus Torvalds SCpnt->SCp.dma_handle = dma_addr; 29431da177e4SLinus Torvalds pSCB->SCB_BufPtr = cpu_to_le32((u32)dma_addr); 29441da177e4SLinus Torvalds pSCB->SCB_BufLen = cpu_to_le32((u32)SCpnt->request_bufflen); 29451da177e4SLinus Torvalds pSCB->SCB_SGLen = 0; 29461da177e4SLinus Torvalds } else { 29471da177e4SLinus Torvalds pSCB->SCB_BufLen = 0; 29481da177e4SLinus Torvalds pSCB->SCB_SGLen = 0; 29491da177e4SLinus Torvalds } 29501da177e4SLinus Torvalds } 29511da177e4SLinus Torvalds 29521da177e4SLinus Torvalds static int i91u_queuecommand(struct scsi_cmnd *cmd, 29531da177e4SLinus Torvalds void (*done)(struct scsi_cmnd *)) 29541da177e4SLinus Torvalds { 29551da177e4SLinus Torvalds HCS *pHCB = (HCS *) cmd->device->host->base; 29561da177e4SLinus Torvalds register SCB *pSCB; 29571da177e4SLinus Torvalds 29581da177e4SLinus Torvalds cmd->scsi_done = done; 29591da177e4SLinus Torvalds 29601da177e4SLinus Torvalds pSCB = tul_alloc_scb(pHCB); 29611da177e4SLinus Torvalds if (!pSCB) 29621da177e4SLinus Torvalds return SCSI_MLQUEUE_HOST_BUSY; 29631da177e4SLinus Torvalds 29641da177e4SLinus Torvalds i91uBuildSCB(pHCB, pSCB, cmd); 29651da177e4SLinus Torvalds tul_exec_scb(pHCB, pSCB); 29661da177e4SLinus Torvalds return 0; 29671da177e4SLinus Torvalds } 29681da177e4SLinus Torvalds 29691da177e4SLinus Torvalds #if 0 /* no new EH yet */ 29701da177e4SLinus Torvalds /* 29711da177e4SLinus Torvalds * Abort a queued command 29721da177e4SLinus Torvalds * (commands that are on the bus can't be aborted easily) 29731da177e4SLinus Torvalds */ 29741da177e4SLinus Torvalds static int i91u_abort(struct scsi_cmnd * SCpnt) 29751da177e4SLinus Torvalds { 29761da177e4SLinus Torvalds HCS *pHCB; 29771da177e4SLinus Torvalds 29781da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 29791da177e4SLinus Torvalds return tul_abort_srb(pHCB, SCpnt); 29801da177e4SLinus Torvalds } 29811da177e4SLinus Torvalds 29821da177e4SLinus Torvalds /* 29831da177e4SLinus Torvalds * Reset registers, reset a hanging bus and 29841da177e4SLinus Torvalds * kill active and disconnected commands for target w/o soft reset 29851da177e4SLinus Torvalds */ 29861da177e4SLinus Torvalds static int i91u_reset(struct scsi_cmnd * SCpnt, unsigned int reset_flags) 29871da177e4SLinus Torvalds { /* I need Host Control Block Information */ 29881da177e4SLinus Torvalds HCS *pHCB; 29891da177e4SLinus Torvalds 29901da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 29911da177e4SLinus Torvalds 29921da177e4SLinus Torvalds if (reset_flags & (SCSI_RESET_SUGGEST_BUS_RESET | SCSI_RESET_SUGGEST_HOST_RESET)) 29931da177e4SLinus Torvalds return tul_reset_scsi_bus(pHCB); 29941da177e4SLinus Torvalds else 29951da177e4SLinus Torvalds return tul_device_reset(pHCB, SCpnt, SCpnt->device->id, reset_flags); 29961da177e4SLinus Torvalds } 29971da177e4SLinus Torvalds #endif 29981da177e4SLinus Torvalds 29991da177e4SLinus Torvalds static int i91u_bus_reset(struct scsi_cmnd * SCpnt) 30001da177e4SLinus Torvalds { 30011da177e4SLinus Torvalds HCS *pHCB; 30021da177e4SLinus Torvalds 30031da177e4SLinus Torvalds pHCB = (HCS *) SCpnt->device->host->base; 300468b3aa7cSJeff Garzik 300568b3aa7cSJeff Garzik spin_lock_irq(SCpnt->device->host->host_lock); 30061da177e4SLinus Torvalds tul_reset_scsi(pHCB, 0); 300768b3aa7cSJeff Garzik spin_unlock_irq(SCpnt->device->host->host_lock); 300868b3aa7cSJeff Garzik 30091da177e4SLinus Torvalds return SUCCESS; 30101da177e4SLinus Torvalds } 30111da177e4SLinus Torvalds 30121da177e4SLinus Torvalds /* 30131da177e4SLinus Torvalds * Return the "logical geometry" 30141da177e4SLinus Torvalds */ 30151da177e4SLinus Torvalds static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, 30161da177e4SLinus Torvalds sector_t capacity, int *info_array) 30171da177e4SLinus Torvalds { 30181da177e4SLinus Torvalds HCS *pHcb; /* Point to Host adapter control block */ 30191da177e4SLinus Torvalds TCS *pTcb; 30201da177e4SLinus Torvalds 30211da177e4SLinus Torvalds pHcb = (HCS *) sdev->host->base; 30221da177e4SLinus Torvalds pTcb = &pHcb->HCS_Tcs[sdev->id]; 30231da177e4SLinus Torvalds 30241da177e4SLinus Torvalds if (pTcb->TCS_DrvHead) { 30251da177e4SLinus Torvalds info_array[0] = pTcb->TCS_DrvHead; 30261da177e4SLinus Torvalds info_array[1] = pTcb->TCS_DrvSector; 30271da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity / pTcb->TCS_DrvHead / pTcb->TCS_DrvSector; 30281da177e4SLinus Torvalds } else { 30291da177e4SLinus Torvalds if (pTcb->TCS_DrvFlags & TCF_DRV_255_63) { 30301da177e4SLinus Torvalds info_array[0] = 255; 30311da177e4SLinus Torvalds info_array[1] = 63; 30321da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity / 255 / 63; 30331da177e4SLinus Torvalds } else { 30341da177e4SLinus Torvalds info_array[0] = 64; 30351da177e4SLinus Torvalds info_array[1] = 32; 30361da177e4SLinus Torvalds info_array[2] = (unsigned long)capacity >> 11; 30371da177e4SLinus Torvalds } 30381da177e4SLinus Torvalds } 30391da177e4SLinus Torvalds 30401da177e4SLinus Torvalds #if defined(DEBUG_BIOSPARAM) 30411da177e4SLinus Torvalds if (i91u_debug & debug_biosparam) { 30421da177e4SLinus Torvalds printk("bios geometry: head=%d, sec=%d, cyl=%d\n", 30431da177e4SLinus Torvalds info_array[0], info_array[1], info_array[2]); 30441da177e4SLinus Torvalds printk("WARNING: check, if the bios geometry is correct.\n"); 30451da177e4SLinus Torvalds } 30461da177e4SLinus Torvalds #endif 30471da177e4SLinus Torvalds 30481da177e4SLinus Torvalds return 0; 30491da177e4SLinus Torvalds } 30501da177e4SLinus Torvalds 30511da177e4SLinus Torvalds static void i91u_unmap_cmnd(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) 30521da177e4SLinus Torvalds { 30531da177e4SLinus Torvalds /* auto sense buffer */ 30541da177e4SLinus Torvalds if (cmnd->SCp.ptr) { 30551da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, 30561da177e4SLinus Torvalds (dma_addr_t)((unsigned long)cmnd->SCp.ptr), 30571da177e4SLinus Torvalds SENSE_SIZE, DMA_FROM_DEVICE); 30581da177e4SLinus Torvalds cmnd->SCp.ptr = NULL; 30591da177e4SLinus Torvalds } 30601da177e4SLinus Torvalds 30611da177e4SLinus Torvalds /* request buffer */ 30621da177e4SLinus Torvalds if (cmnd->use_sg) { 30631da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, 30641da177e4SLinus Torvalds sizeof(struct SG_Struc) * TOTAL_SG_ENTRY, 30651da177e4SLinus Torvalds DMA_BIDIRECTIONAL); 30661da177e4SLinus Torvalds 30671da177e4SLinus Torvalds dma_unmap_sg(&pci_dev->dev, cmnd->request_buffer, 30681da177e4SLinus Torvalds cmnd->use_sg, 30691da177e4SLinus Torvalds cmnd->sc_data_direction); 30701da177e4SLinus Torvalds } else if (cmnd->request_bufflen) { 30711da177e4SLinus Torvalds dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, 30721da177e4SLinus Torvalds cmnd->request_bufflen, 30731da177e4SLinus Torvalds cmnd->sc_data_direction); 30741da177e4SLinus Torvalds } 30751da177e4SLinus Torvalds } 30761da177e4SLinus Torvalds 30771da177e4SLinus Torvalds /***************************************************************************** 30781da177e4SLinus Torvalds Function name : i91uSCBPost 30791da177e4SLinus Torvalds Description : This is callback routine be called when tulip finish one 30801da177e4SLinus Torvalds SCSI command. 30811da177e4SLinus Torvalds Input : pHCB - Pointer to host adapter control block. 30821da177e4SLinus Torvalds pSCB - Pointer to SCSI control block. 30831da177e4SLinus Torvalds Output : None. 30841da177e4SLinus Torvalds Return : None. 30851da177e4SLinus Torvalds *****************************************************************************/ 30861da177e4SLinus Torvalds static void i91uSCBPost(BYTE * pHcb, BYTE * pScb) 30871da177e4SLinus Torvalds { 30881da177e4SLinus Torvalds struct scsi_cmnd *pSRB; /* Pointer to SCSI request block */ 30891da177e4SLinus Torvalds HCS *pHCB; 30901da177e4SLinus Torvalds SCB *pSCB; 30911da177e4SLinus Torvalds 30921da177e4SLinus Torvalds pHCB = (HCS *) pHcb; 30931da177e4SLinus Torvalds pSCB = (SCB *) pScb; 30941da177e4SLinus Torvalds if ((pSRB = pSCB->SCB_Srb) == 0) { 30951da177e4SLinus Torvalds printk("i91uSCBPost: SRB pointer is empty\n"); 30961da177e4SLinus Torvalds 30971da177e4SLinus Torvalds tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ 30981da177e4SLinus Torvalds return; 30991da177e4SLinus Torvalds } 31001da177e4SLinus Torvalds switch (pSCB->SCB_HaStat) { 31011da177e4SLinus Torvalds case 0x0: 31021da177e4SLinus Torvalds case 0xa: /* Linked command complete without error and linked normally */ 31031da177e4SLinus Torvalds case 0xb: /* Linked command complete without error interrupt generated */ 31041da177e4SLinus Torvalds pSCB->SCB_HaStat = 0; 31051da177e4SLinus Torvalds break; 31061da177e4SLinus Torvalds 31071da177e4SLinus Torvalds case 0x11: /* Selection time out-The initiator selection or target 31081da177e4SLinus Torvalds reselection was not complete within the SCSI Time out period */ 31091da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_TIME_OUT; 31101da177e4SLinus Torvalds break; 31111da177e4SLinus Torvalds 31121da177e4SLinus Torvalds case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus 31131da177e4SLinus Torvalds phase sequence was requested by the target. The host adapter 31141da177e4SLinus Torvalds will generate a SCSI Reset Condition, notifying the host with 31151da177e4SLinus Torvalds a SCRD interrupt */ 31161da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_RESET; 31171da177e4SLinus Torvalds break; 31181da177e4SLinus Torvalds 31191da177e4SLinus Torvalds case 0x1a: /* SCB Aborted. 07/21/98 */ 31201da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_ABORT; 31211da177e4SLinus Torvalds break; 31221da177e4SLinus Torvalds 31231da177e4SLinus Torvalds case 0x12: /* Data overrun/underrun-The target attempted to transfer more data 31241da177e4SLinus Torvalds than was allocated by the Data Length field or the sum of the 31251da177e4SLinus Torvalds Scatter / Gather Data Length fields. */ 31261da177e4SLinus Torvalds case 0x13: /* Unexpected bus free-The target dropped the SCSI BSY at an unexpected time. */ 31271da177e4SLinus Torvalds case 0x16: /* Invalid SCB Operation Code. */ 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvalds default: 31301da177e4SLinus Torvalds printk("ini9100u: %x %x\n", pSCB->SCB_HaStat, pSCB->SCB_TaStat); 31311da177e4SLinus Torvalds pSCB->SCB_HaStat = DID_ERROR; /* Couldn't find any better */ 31321da177e4SLinus Torvalds break; 31331da177e4SLinus Torvalds } 31341da177e4SLinus Torvalds 31351da177e4SLinus Torvalds pSRB->result = pSCB->SCB_TaStat | (pSCB->SCB_HaStat << 16); 31361da177e4SLinus Torvalds 31371da177e4SLinus Torvalds if (pSRB == NULL) { 31381da177e4SLinus Torvalds printk("pSRB is NULL\n"); 31391da177e4SLinus Torvalds } 31401da177e4SLinus Torvalds 31411da177e4SLinus Torvalds i91u_unmap_cmnd(pHCB->pci_dev, pSRB); 31421da177e4SLinus Torvalds pSRB->scsi_done(pSRB); /* Notify system DONE */ 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvalds tul_release_scb(pHCB, pSCB); /* Release SCB for current channel */ 31451da177e4SLinus Torvalds } 31461da177e4SLinus Torvalds 31471da177e4SLinus Torvalds /* 31481da177e4SLinus Torvalds * Release ressources 31491da177e4SLinus Torvalds */ 31501da177e4SLinus Torvalds static int i91u_release(struct Scsi_Host *hreg) 31511da177e4SLinus Torvalds { 31521da177e4SLinus Torvalds free_irq(hreg->irq, hreg); 31531da177e4SLinus Torvalds release_region(hreg->io_port, 256); 31541da177e4SLinus Torvalds return 0; 31551da177e4SLinus Torvalds } 31561da177e4SLinus Torvalds MODULE_LICENSE("Dual BSD/GPL"); 31571da177e4SLinus Torvalds 31581da177e4SLinus Torvalds static struct scsi_host_template driver_template = { 31591da177e4SLinus Torvalds .proc_name = "INI9100U", 31601da177e4SLinus Torvalds .name = i91u_REVID, 31611da177e4SLinus Torvalds .detect = i91u_detect, 31621da177e4SLinus Torvalds .release = i91u_release, 31631da177e4SLinus Torvalds .queuecommand = i91u_queuecommand, 31641da177e4SLinus Torvalds // .abort = i91u_abort, 31651da177e4SLinus Torvalds // .reset = i91u_reset, 31661da177e4SLinus Torvalds .eh_bus_reset_handler = i91u_bus_reset, 31671da177e4SLinus Torvalds .bios_param = i91u_biosparam, 31681da177e4SLinus Torvalds .can_queue = 1, 31691da177e4SLinus Torvalds .this_id = 1, 31701da177e4SLinus Torvalds .sg_tablesize = SG_ALL, 31711da177e4SLinus Torvalds .cmd_per_lun = 1, 31721da177e4SLinus Torvalds .use_clustering = ENABLE_CLUSTERING, 31731da177e4SLinus Torvalds }; 31741da177e4SLinus Torvalds #include "scsi_module.c" 31751da177e4SLinus Torvalds 3176