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Hello,
I have never worked with kernel or modules developing before, but needed a patch for my
pcmcia scsi cd-rom.
I found this patch from a japanese website, and I assume this is for the 2.2 releases. I
cannot make this work with my 2.4.19 (I can't even find the files to patch). I need some
assistance with "translating" this to the 2.4 releases. Can anyone please help me?
It would help a lot to know also what this patch changes in the scsi driver.
Thanks,
Rodolpho Eckhardt
-- Rodolpho H. O. Eckhardt reckhardt@mandic.com.br Cel: 11 9126-9107
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--- qlogic_cs.c.org Tue Oct 26 05:03:18 1999 +++ qlogic_cs.c Sun Nov 21 15:34:47 1999 @@ -1,3 +1,4 @@ +#undef QLOGIC_LEN32_ID_CHECK /*====================================================================== A driver for the Qlogic SCSI card @@ -239,6 +240,7 @@ #if (LINUX_VERSION_CODE >= VERSION(2,1,75)) struct Scsi_Host *host; #endif + u_short prod_id; handle = link->handle; info = link->priv; @@ -256,8 +258,10 @@ tuple.DesiredTuple = CISTPL_MANFID; if ((CardServices(GetFirstTuple, handle, &tuple) == CS_SUCCESS) && - (CardServices(GetTupleData, handle, &tuple) == CS_SUCCESS)) + (CardServices(GetTupleData, handle, &tuple) == CS_SUCCESS)){ info->manf_id = le16_to_cpu(tuple.TupleData[0]); + prod_id = le16_to_cpu(tuple_data[1]); + } /* Configure card */ #if (LINUX_VERSION_CODE >= VERSION(2,1,23)) @@ -274,6 +278,9 @@ CFG_CHECK(ParseTuple, handle, &tuple, &parse); link->conf.ConfigIndex = parse.cftable_entry.index; link->io.BasePort1 = parse.cftable_entry.io.win[0].base; +#if 1 + link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; +#endif if (link->io.BasePort1 != 0) { i = CardServices(RequestIO, handle, &link->io); if (i == CS_SUCCESS) break; @@ -296,6 +303,17 @@ /* A bad hack... */ release_region(link->io.BasePort1, link->io.NumPorts1); +#if 1 + if (link->io.NumPorts1 == 32 +#ifdef QLOGIC_LEN32_ID_CHECK + && ((info->manf_id == 0x0032 && prod_id == 0x0604)/*KXLC004*/ || + (info->manf_id == 0x0032 && prod_id == 0x0504)/*KXLC003*/ + ) +#endif /* QLOGIC_LEN32_ID_CHECK */ + ){ + qlogic_preset(link->io.BasePort1 + 16, link->irq.AssignedIRQ); + } else +#endif qlogic_preset(link->io.BasePort1, link->irq.AssignedIRQ); scsi_register_module(MODULE_SCSI_HA, &driver_template); --=_courier-31835-1046374281-0001-2 Content-Type: text/plain; name="scsi.diff"; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="scsi.diff"
diff -uNr scsi.org/sr.c scsi/sr.c --- scsi.org/sr.c Sat Jan 16 07:41:04 1999 +++ scsi/sr.c Mon Nov 1 13:41:15 1999 @@ -1050,6 +1050,7 @@ { int i; char name[6]; + extern int kme_poweron(int); blk_dev[MAJOR_NR].request_fn = DEVICE_REQUEST; blk_size[MAJOR_NR] = sr_sizes; @@ -1080,6 +1081,11 @@ scsi_CDs[i].cdi.dev = MKDEV(MAJOR_NR,i); scsi_CDs[i].cdi.mask = 0; scsi_CDs[i].cdi.capacity = 1; + if (strncmp(scsi_CDs[i].device->vendor, "MATSHITA", 8) == 0 + && strncmp(scsi_CDs[i].device->model, "KME CD-ROM07", 12) == 0){ + printk(KERN_INFO "KME CD-ROM07 found.\n"); + kme_poweron(i); + } get_capabilities(i); sr_vendor_init(i); diff -uNr scsi.org/sr_ioctl.c scsi/sr_ioctl.c --- scsi.org/sr_ioctl.c Fri Jul 9 12:14:00 1999 +++ scsi/sr_ioctl.c Mon Nov 1 13:40:33 1999 @@ -14,7 +14,7 @@ #include <linux/cdrom.h> #include "sr.h" -#if 0 +#if 1 # define DEBUG #endif @@ -42,6 +42,60 @@ if (req->sem != NULL) { up(req->sem); } +} + +int kme_poweron(int target) +{ + unsigned char cmd[12]; + Scsi_Cmnd * SCpnt; + Scsi_Device * SDev; + int result, err = 0; + unsigned long flags; + + spin_lock_irqsave(&io_request_lock, flags); + SDev = scsi_CDs[target].device; + + SCpnt = scsi_allocate_device(NULL, scsi_CDs[target].device, 1); + SCpnt->cmd_len = 12; + cmd[0] = 0xe0; + cmd[1] = (scsi_CDs[target].device->lun << 5) & 0xe0; + cmd[2] = cmd[3] = cmd[4] = 0x00; + memcpy(cmd + 5, "TOMY01H", 7); + + spin_unlock_irqrestore(&io_request_lock, flags); + + if( !scsi_block_when_processing_errors(SDev) ) + return -ENODEV; + + { + struct semaphore sem = MUTEX_LOCKED; + SCpnt->request.sem = &sem; + spin_lock_irqsave(&io_request_lock, flags); + scsi_do_cmd(SCpnt, + (void *) cmd, NULL, 0, sr_ioctl_done, + IOCTL_TIMEOUT, 0); + spin_unlock_irqrestore(&io_request_lock, flags); + down(&sem); + SCpnt->request.sem = NULL; + } + + result = SCpnt->result; + + if(driver_byte(result) != 0) { + printk(KERN_ERR "sr%d: KME-CDROM power on error, command: ", target); + print_command(cmd); + print_sense("sr", SCpnt); + err = -EIO; + } + + spin_lock_irqsave(&io_request_lock, flags); + result = SCpnt->result; + /* Wake up a process waiting for device*/ + wake_up(&SCpnt->device->device_wait); + scsi_release_command(SCpnt); + SCpnt = NULL; + spin_unlock_irqrestore(&io_request_lock, flags); + return err; } /* We do our own retries because we want to know what the specific
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