^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* $Id$
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * 1993/03/31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/kernel/aha1740.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Based loosely on aha1542.c which is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 1992 Tommy Thorn and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Modified by Eric Youngdale
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This file is aha1740.c, written and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Copyright (C) 1992,1993 Brad McLean
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * brad@saturn.gaylord.com or brad@bradpc.gaylord.com.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Modifications to makecode and queuecommand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * for proper handling of multiple devices courteously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * provided by Michael Weller, March, 1993
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * Multiple adapter support, extended translation detection,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * update to current scsi subsystem changes, proc fs support,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * working (!) module support based on patches from Andreas Arens,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * by Andreas Degert <ad@papyrus.hamburg.com>, 2/1997
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * aha1740_makecode may still need even more work
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * if it doesn't work for your devices, take a look.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * Reworked for new_eh and new locking by Alan Cox <alan@lxorguk.ukuu.org.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Converted to EISA and generic DMA APIs by Marc Zyngier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * <maz@wild-wind.fr.eu.org>, 4/2003.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * Shared interrupt support added by Rask Ingemann Lambertsen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * <rask@sygehus.dk>, 10/2003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * For the avoidance of doubt the "preferred form" of this code is one which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * is in an open non patent encumbered format. Where cryptographic key signing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * forms part of the process of creating an executable the information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * including keys needed to generate an equivalently functional executable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * are deemed to be part of the source code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #include <linux/eisa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #include <linux/gfp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #include <asm/dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #include "scsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #include "aha1740.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* IF YOU ARE HAVING PROBLEMS WITH THIS DRIVER, AND WANT TO WATCH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) IT WORK, THEN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define DEB(x) x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define DEB(x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct aha1740_hostdata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct eisa_device *edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) unsigned int translation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) unsigned int last_ecb_used;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) dma_addr_t ecb_dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct ecb ecb[AHA1740_ECBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct aha1740_sg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct aha1740_chain sg_chain[AHA1740_SCATTER];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) dma_addr_t sg_dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) dma_addr_t buf_dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define HOSTDATA(host) ((struct aha1740_hostdata *) &host->hostdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static inline struct ecb *ecb_dma_to_cpu (struct Scsi_Host *host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) dma_addr_t dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct aha1740_hostdata *hdata = HOSTDATA (host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) dma_addr_t offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) offset = dma - hdata->ecb_dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return (struct ecb *)(((char *) hdata->ecb) + (unsigned int) offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static inline dma_addr_t ecb_cpu_to_dma (struct Scsi_Host *host, void *cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct aha1740_hostdata *hdata = HOSTDATA (host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) dma_addr_t offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) offset = (char *) cpu - (char *) hdata->ecb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return hdata->ecb_dma_addr + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static int aha1740_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct aha1740_hostdata *host = HOSTDATA(shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) seq_printf(m, "aha174x at IO:%lx, IRQ %d, SLOT %d.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) "Extended translation %sabled.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) shpnt->io_port, shpnt->irq, host->edev->slot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) host->translation ? "en" : "dis");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static int aha1740_makecode(unchar *sense, unchar *status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct statusword
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) ushort don:1, /* Command Done - No Error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) du:1, /* Data underrun */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) :1, qf:1, /* Queue full */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) sc:1, /* Specification Check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) dor:1, /* Data overrun */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ch:1, /* Chaining Halted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) intr:1, /* Interrupt issued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) asa:1, /* Additional Status Available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) sns:1, /* Sense information Stored */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) :1, ini:1, /* Initialization Required */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) me:1, /* Major error or exception */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) :1, eca:1, /* Extended Contingent alliance */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) :1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) } status_word;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) int retval = DID_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) status_word = * (struct statusword *) status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) printk("makecode from %x,%x,%x,%x %x,%x,%x,%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) status[0], status[1], status[2], status[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) sense[0], sense[1], sense[2], sense[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (!status_word.don) { /* Anything abnormal was detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if ( (status[1]&0x18) || status_word.sc ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /*Additional info available*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) /* Use the supplied info for further diagnostics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) switch ( status[2] ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) case 0x12:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if ( status_word.dor )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) retval=DID_ERROR; /* It's an Overrun */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* If not overrun, assume underrun and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * ignore it! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) case 0x00: /* No info, assume no error, should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * not occur */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) case 0x11:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) case 0x21:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) retval=DID_TIME_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) case 0x0a:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) retval=DID_BAD_TARGET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) case 0x04:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) case 0x05:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) retval=DID_ABORT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /* Either by this driver or the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * AHA1740 itself */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) retval=DID_ERROR; /* No further
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * diagnostics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * possible */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) /* Michael suggests, and Brad concurs: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if ( status_word.qf ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) retval = DID_TIME_OUT; /* forces a redo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /* I think this specific one should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * not happen -Brad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) printk("aha1740.c: WARNING: AHA1740 queue overflow!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) if ( status[0]&0x60 ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) /* Didn't find a better error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) retval = DID_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /* In any other case return DID_OK so for example
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) CONDITION_CHECKS make it through to the appropriate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) device driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) /* Under all circumstances supply the target status -Michael */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return status[3] | retval << 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static int aha1740_test_port(unsigned int base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if ( inb(PORTADR(base)) & PORTADDR_ENH )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return 1; /* Okay, we're all set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) printk("aha174x: Board detected, but not in enhanced mode, so disabled it.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* A "high" level interrupt handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static irqreturn_t aha1740_intr_handle(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct Scsi_Host *host = (struct Scsi_Host *) dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) void (*my_done)(struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int errstatus, adapstat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int number_serviced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct ecb *ecbptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) struct scsi_cmnd *SCtmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) unsigned int base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) int handled = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct aha1740_sg *sgptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct eisa_device *edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) panic("aha1740.c: Irq from unknown host!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) spin_lock_irqsave(host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) base = host->io_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) number_serviced = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) edev = HOSTDATA(host)->edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) while(inb(G2STAT(base)) & G2STAT_INTPEND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) handled = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) DEB(printk("aha1740_intr top of loop.\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) adapstat = inb(G2INTST(base));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ecbptr = ecb_dma_to_cpu (host, inl(MBOXIN0(base)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) outb(G2CNTRL_IRST,G2CNTRL(base)); /* interrupt reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) switch ( adapstat & G2INTST_MASK ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) case G2INTST_CCBRETRY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) case G2INTST_CCBERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) case G2INTST_CCBGOOD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) /* Host Ready -> Mailbox in complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) outb(G2CNTRL_HRDY,G2CNTRL(base));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (!ecbptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) printk("Aha1740 null ecbptr in interrupt (%x,%x,%x,%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) inb(G2STAT(base)),adapstat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) inb(G2INTST(base)), number_serviced++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) SCtmp = ecbptr->SCpnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (!SCtmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) printk("Aha1740 null SCtmp in interrupt (%x,%x,%x,%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) inb(G2STAT(base)),adapstat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) inb(G2INTST(base)), number_serviced++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) sgptr = (struct aha1740_sg *) SCtmp->host_scribble;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) scsi_dma_unmap(SCtmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /* Free the sg block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) dma_free_coherent (&edev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) sizeof (struct aha1740_sg),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) SCtmp->host_scribble,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) sgptr->sg_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /* Fetch the sense data, and tuck it away, in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) the required slot. The Adaptec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) automatically fetches it, and there is no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) guarantee that we will still have it in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) cdb when we come back */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if ( (adapstat & G2INTST_MASK) == G2INTST_CCBERROR ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) memcpy(SCtmp->sense_buffer, ecbptr->sense,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) SCSI_SENSE_BUFFERSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) errstatus = aha1740_makecode(ecbptr->sense,ecbptr->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) errstatus = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) DEB(if (errstatus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) printk("aha1740_intr_handle: returning %6x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) errstatus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) SCtmp->result = errstatus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) my_done = ecbptr->done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) memset(ecbptr,0,sizeof(struct ecb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if ( my_done )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) my_done(SCtmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) case G2INTST_HARDFAIL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) printk(KERN_ALERT "aha1740 hardware failure!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) panic("aha1740.c"); /* Goodbye */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) case G2INTST_ASNEVENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) printk("aha1740 asynchronous event: %02x %02x %02x %02x %02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) adapstat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) inb(MBOXIN0(base)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) inb(MBOXIN1(base)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) inb(MBOXIN2(base)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) inb(MBOXIN3(base))); /* Say What? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) /* Host Ready -> Mailbox in complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) outb(G2CNTRL_HRDY,G2CNTRL(base));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) case G2INTST_CMDGOOD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) /* set immediate command success flag here: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) case G2INTST_CMDERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) /* Set immediate command failure flag here: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) number_serviced++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) spin_unlock_irqrestore(host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return IRQ_RETVAL(handled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int aha1740_queuecommand_lck(struct scsi_cmnd * SCpnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) void (*done)(struct scsi_cmnd *))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) unchar direction;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) unchar *cmd = (unchar *) SCpnt->cmnd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) unchar target = scmd_id(SCpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) struct aha1740_hostdata *host = HOSTDATA(SCpnt->device->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) dma_addr_t sg_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) struct aha1740_sg *sgptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) int ecbno, nseg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) DEB(int i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if(*cmd == REQUEST_SENSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) SCpnt->result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) done(SCpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) if (*cmd == READ_10 || *cmd == WRITE_10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) i = xscsi2int(cmd+2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) else if (*cmd == READ_6 || *cmd == WRITE_6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) i = scsi2int(cmd+2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) i = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) printk("aha1740_queuecommand: dev %d cmd %02x pos %d len %d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) target, *cmd, i, bufflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) printk("scsi cmd:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) for (i = 0; i < SCpnt->cmd_len; i++) printk("%02x ", cmd[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) printk("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /* locate an available ecb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) ecbno = host->last_ecb_used + 1; /* An optimization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (ecbno >= AHA1740_ECBS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) ecbno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (!host->ecb[ecbno].cmdw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) ecbno++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (ecbno >= AHA1740_ECBS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ecbno = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) } while (ecbno != host->last_ecb_used);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (host->ecb[ecbno].cmdw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) panic("Unable to find empty ecb for aha1740.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) host->ecb[ecbno].cmdw = AHA1740CMD_INIT; /* SCSI Initiator Command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) doubles as reserved flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) host->last_ecb_used = ecbno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) printk("Sending command (%d %x)...", ecbno, done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) host->ecb[ecbno].cdblen = SCpnt->cmd_len; /* SCSI Command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) * Descriptor Block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) * Length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) direction = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (*cmd == READ_10 || *cmd == READ_6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) direction = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) else if (*cmd == WRITE_10 || *cmd == WRITE_6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) direction = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) memcpy(host->ecb[ecbno].cdb, cmd, SCpnt->cmd_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) SCpnt->host_scribble = dma_alloc_coherent (&host->edev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) sizeof (struct aha1740_sg),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) &sg_dma, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if(SCpnt->host_scribble == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) printk(KERN_WARNING "aha1740: out of memory in queuecommand!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) sgptr = (struct aha1740_sg *) SCpnt->host_scribble;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) sgptr->sg_dma_addr = sg_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) nseg = scsi_dma_map(SCpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) BUG_ON(nseg < 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (nseg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) struct scatterlist *sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) struct aha1740_chain * cptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) DEB(unsigned char * ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) host->ecb[ecbno].sg = 1; /* SCSI Initiator Command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) * w/scatter-gather*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) cptr = sgptr->sg_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) scsi_for_each_sg(SCpnt, sg, nseg, i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) cptr[i].datalen = sg_dma_len (sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) cptr[i].dataptr = sg_dma_address (sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) host->ecb[ecbno].datalen = nseg * sizeof(struct aha1740_chain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) host->ecb[ecbno].dataptr = sg_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) printk("cptr %x: ",cptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ptr = (unsigned char *) cptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) for(i=0;i<24;i++) printk("%02x ", ptr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) host->ecb[ecbno].datalen = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) host->ecb[ecbno].dataptr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) host->ecb[ecbno].lun = SCpnt->device->lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) host->ecb[ecbno].ses = 1; /* Suppress underrun errors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) host->ecb[ecbno].dir = direction;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) host->ecb[ecbno].ars = 1; /* Yes, get the sense on an error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) host->ecb[ecbno].senselen = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) host->ecb[ecbno].senseptr = ecb_cpu_to_dma (SCpnt->device->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) host->ecb[ecbno].sense);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) host->ecb[ecbno].statusptr = ecb_cpu_to_dma (SCpnt->device->host,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) host->ecb[ecbno].status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) host->ecb[ecbno].done = done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) host->ecb[ecbno].SCpnt = SCpnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) printk("aha1740_command: sending.. ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) for (i = 0; i < sizeof(host->ecb[ecbno]) - 10; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) printk("%02x ", ((unchar *)&host->ecb[ecbno])[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) printk("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (done) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* The Adaptec Spec says the card is so fast that the loops
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) will only be executed once in the code below. Even if this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) was true with the fastest processors when the spec was
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) written, it doesn't seem to be true with today's fast
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) processors. We print a warning if the code is executed more
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) often than LOOPCNT_WARN. If this happens, it should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) investigated. If the count reaches LOOPCNT_MAX, we assume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) something is broken; since there is no way to return an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) error (the return value is ignored by the mid-level scsi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) layer) we have to panic (and maybe that's the best thing we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) can do then anyhow). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) #define LOOPCNT_WARN 10 /* excessive mbxout wait -> syslog-msg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) #define LOOPCNT_MAX 1000000 /* mbxout deadlock -> panic() after ~ 2 sec. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) int loopcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) unsigned int base = SCpnt->device->host->io_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) DEB(printk("aha1740[%d] critical section\n",ecbno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) for (loopcnt = 0; ; loopcnt++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (inb(G2STAT(base)) & G2STAT_MBXOUT) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (loopcnt == LOOPCNT_WARN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) printk("aha1740[%d]_mbxout wait!\n",ecbno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) if (loopcnt == LOOPCNT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) panic("aha1740.c: mbxout busy!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) outl (ecb_cpu_to_dma (SCpnt->device->host, host->ecb + ecbno),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) MBOXOUT0(base));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) for (loopcnt = 0; ; loopcnt++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) if (! (inb(G2STAT(base)) & G2STAT_BUSY)) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) if (loopcnt == LOOPCNT_WARN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) printk("aha1740[%d]_attn wait!\n",ecbno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (loopcnt == LOOPCNT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) panic("aha1740.c: attn wait failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) outb(ATTN_START | (target & 7), ATTN(base)); /* Start it up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) DEB(printk("aha1740[%d] request queued.\n",ecbno));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) printk(KERN_ALERT "aha1740_queuecommand: done can't be NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static DEF_SCSI_QCMD(aha1740_queuecommand)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) /* Query the board for its irq_level and irq_type. Nothing else matters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) in enhanced mode on an EISA bus. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) static void aha1740_getconfig(unsigned int base, unsigned int *irq_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) unsigned int *irq_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) unsigned int *translation)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static int intab[] = { 9, 10, 11, 12, 0, 14, 15, 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) *irq_level = intab[inb(INTDEF(base)) & 0x7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) *irq_type = (inb(INTDEF(base)) & 0x8) >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) *translation = inb(RESV1(base)) & 0x1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) outb(inb(INTDEF(base)) | 0x10, INTDEF(base));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) static int aha1740_biosparam(struct scsi_device *sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) struct block_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) sector_t capacity, int* ip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) int size = capacity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) int extended = HOSTDATA(sdev->host)->translation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) DEB(printk("aha1740_biosparam\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (extended && (ip[2] > 1024)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) ip[0] = 255;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) ip[1] = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) ip[2] = size / (255 * 63);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) ip[0] = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) ip[1] = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) ip[2] = size >> 11;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) static int aha1740_eh_abort_handler (struct scsi_cmnd *dummy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) * From Alan Cox :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) * The AHA1740 has firmware handled abort/reset handling. The "head in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) * sand" kernel code is correct for once 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) * So we define a dummy handler just to keep the kernel SCSI code as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) * quiet as possible...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) return SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) static struct scsi_host_template aha1740_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) .proc_name = "aha1740",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) .show_info = aha1740_show_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) .name = "Adaptec 174x (EISA)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) .queuecommand = aha1740_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) .bios_param = aha1740_biosparam,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) .can_queue = AHA1740_ECBS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) .this_id = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) .sg_tablesize = AHA1740_SCATTER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) .eh_abort_handler = aha1740_eh_abort_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) static int aha1740_probe (struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) int slotbase, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) unsigned int irq_level, irq_type, translation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) struct Scsi_Host *shpnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) struct aha1740_hostdata *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) struct eisa_device *edev = to_eisa_device (dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) DEB(printk("aha1740_probe: \n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) slotbase = edev->base_addr + EISA_VENDOR_ID_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if (!request_region(slotbase, SLOTSIZE, "aha1740")) /* See if in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (!aha1740_test_port(slotbase))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) goto err_release_region;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) aha1740_getconfig(slotbase,&irq_level,&irq_type,&translation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) if ((inb(G2STAT(slotbase)) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) (G2STAT_MBXOUT|G2STAT_BUSY)) != G2STAT_MBXOUT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* If the card isn't ready, hard reset it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) outb(G2CNTRL_HRST, G2CNTRL(slotbase));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) outb(0, G2CNTRL(slotbase));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) printk(KERN_INFO "Configuring slot %d at IO:%x, IRQ %u (%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) edev->slot, slotbase, irq_level, irq_type ? "edge" : "level");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) printk(KERN_INFO "aha174x: Extended translation %sabled.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) translation ? "en" : "dis");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) shpnt = scsi_host_alloc(&aha1740_template,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) sizeof(struct aha1740_hostdata));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) if(shpnt == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) goto err_release_region;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) shpnt->base = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) shpnt->io_port = slotbase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) shpnt->n_io_port = SLOTSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) shpnt->irq = irq_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) shpnt->dma_channel = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) host = HOSTDATA(shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) host->edev = edev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) host->translation = translation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) host->ecb_dma_addr = dma_map_single (&edev->dev, host->ecb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) sizeof (host->ecb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) DMA_BIDIRECTIONAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) if (!host->ecb_dma_addr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) printk (KERN_ERR "aha1740_probe: Couldn't map ECB, giving up\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) goto err_host_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) DEB(printk("aha1740_probe: enable interrupt channel %d\n",irq_level));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) if (request_irq(irq_level,aha1740_intr_handle,irq_type ? 0 : IRQF_SHARED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) "aha1740",shpnt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) printk(KERN_ERR "aha1740_probe: Unable to allocate IRQ %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) irq_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) goto err_unmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) eisa_set_drvdata (edev, shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) rc = scsi_add_host (shpnt, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) goto err_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) scsi_scan_host (shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) err_irq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) free_irq(irq_level, shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) err_unmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) dma_unmap_single (&edev->dev, host->ecb_dma_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) sizeof (host->ecb), DMA_BIDIRECTIONAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) err_host_put:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) scsi_host_put (shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) err_release_region:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) release_region(slotbase, SLOTSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) static int aha1740_remove (struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) struct Scsi_Host *shpnt = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) struct aha1740_hostdata *host = HOSTDATA (shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) scsi_remove_host(shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) free_irq (shpnt->irq, shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) dma_unmap_single (dev, host->ecb_dma_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) sizeof (host->ecb), DMA_BIDIRECTIONAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) release_region (shpnt->io_port, SLOTSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) scsi_host_put (shpnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) static struct eisa_device_id aha1740_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) { "ADP0000" }, /* 1740 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) { "ADP0001" }, /* 1740A */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) { "ADP0002" }, /* 1742A */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) { "ADP0400" }, /* 1744 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) { "" }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) MODULE_DEVICE_TABLE(eisa, aha1740_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) static struct eisa_driver aha1740_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) .id_table = aha1740_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) .name = "aha1740",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) .probe = aha1740_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) .remove = aha1740_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static __init int aha1740_init (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) return eisa_driver_register (&aha1740_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) static __exit void aha1740_exit (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) eisa_driver_unregister (&aha1740_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) module_init (aha1740_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) module_exit (aha1740_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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