Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
new file mode 100644
index 0000000..ee9df02
--- /dev/null
+++ b/drivers/scsi/tmscsim.c
@@ -0,0 +1,2693 @@
+/************************************************************************
+ * FILE NAME : TMSCSIM.C *
+ * BY : C.L. Huang, ching@tekram.com.tw *
+ * Description: Device Driver for Tekram DC-390(T) PCI SCSI *
+ * Bus Master Host Adapter *
+ * (C)Copyright 1995-1996 Tekram Technology Co., Ltd. *
+ ************************************************************************
+ * (C) Copyright: put under GNU GPL in 10/96 *
+ * (see Documentation/scsi/tmscsim.txt) *
+ ************************************************************************
+ * $Id: tmscsim.c,v 2.60.2.30 2000/12/20 01:07:12 garloff Exp $ *
+ * Enhancements and bugfixes by *
+ * Kurt Garloff <kurt@garloff.de> <garloff@suse.de> *
+ ************************************************************************
+ * HISTORY: *
+ * *
+ * REV# DATE NAME DESCRIPTION *
+ * 1.00 96/04/24 CLH First release *
+ * 1.01 96/06/12 CLH Fixed bug of Media Change for Removable *
+ * Device, scan all LUN. Support Pre2.0.10 *
+ * 1.02 96/06/18 CLH Fixed bug of Command timeout ... *
+ * 1.03 96/09/25 KG Added tmscsim_proc_info() *
+ * 1.04 96/10/11 CLH Updating for support KV 2.0.x *
+ * 1.05 96/10/18 KG Fixed bug in DC390_abort(null ptr deref)*
+ * 1.06 96/10/25 KG Fixed module support *
+ * 1.07 96/11/09 KG Fixed tmscsim_proc_info() *
+ * 1.08 96/11/18 KG Fixed null ptr in DC390_Disconnect() *
+ * 1.09 96/11/30 KG Added register the allocated IO space *
+ * 1.10 96/12/05 CLH Modified tmscsim_proc_info(), and reset *
+ * pending interrupt in DC390_detect() *
+ * 1.11 97/02/05 KG/CLH Fixeds problem with partitions greater *
+ * than 1GB *
+ * 1.12 98/02/15 MJ Rewritten PCI probing *
+ * 1.13 98/04/08 KG Support for non DC390, __initfunc decls,*
+ * changed max devs from 10 to 16 *
+ * 1.14a 98/05/05 KG Dynamic DCB allocation, add-single-dev *
+ * for LUNs if LUN_SCAN (BIOS) not set *
+ * runtime config using /proc interface *
+ * 1.14b 98/05/06 KG eliminated cli (); sti (); spinlocks *
+ * 1.14c 98/05/07 KG 2.0.x compatibility *
+ * 1.20a 98/05/07 KG changed names of funcs to be consistent *
+ * DC390_ (entry points), dc390_ (internal)*
+ * reworked locking *
+ * 1.20b 98/05/12 KG bugs: version, kfree, _ctmp *
+ * debug output *
+ * 1.20c 98/05/12 KG bugs: kfree, parsing, EEpromDefaults *
+ * 1.20d 98/05/14 KG bugs: list linkage, clear flag after *
+ * reset on startup, code cleanup *
+ * 1.20e 98/05/15 KG spinlock comments, name space cleanup *
+ * pLastDCB now part of ACB structure *
+ * added stats, timeout for 2.1, TagQ bug *
+ * RESET and INQUIRY interface commands *
+ * 1.20f 98/05/18 KG spinlocks fixes, max_lun fix, free DCBs *
+ * for missing LUNs, pending int *
+ * 1.20g 98/05/19 KG Clean up: Avoid short *
+ * 1.20h 98/05/21 KG Remove AdaptSCSIID, max_lun ... *
+ * 1.20i 98/05/21 KG Aiiie: Bug with TagQMask *
+ * 1.20j 98/05/24 KG Handle STAT_BUSY, handle pACB->pLinkDCB *
+ * == 0 in remove_dev and DoingSRB_Done *
+ * 1.20k 98/05/25 KG DMA_INT (experimental) *
+ * 1.20l 98/05/27 KG remove DMA_INT; DMA_IDLE cmds added; *
+ * 1.20m 98/06/10 KG glitch configurable; made some global *
+ * vars part of ACB; use DC390_readX *
+ * 1.20n 98/06/11 KG startup params *
+ * 1.20o 98/06/15 KG added TagMaxNum to boot/module params *
+ * Device Nr -> Idx, TagMaxNum power of 2 *
+ * 1.20p 98/06/17 KG Docu updates. Reset depends on settings *
+ * pci_set_master added; 2.0.xx: pcibios_* *
+ * used instead of MechNum things ... *
+ * 1.20q 98/06/23 KG Changed defaults. Added debug code for *
+ * removable media and fixed it. TagMaxNum *
+ * fixed for DC390. Locking: ACB, DRV for *
+ * better IRQ sharing. Spelling: Queueing *
+ * Parsing and glitch_cfg changes. Display *
+ * real SyncSpeed value. Made DisConn *
+ * functional (!) *
+ * 1.20r 98/06/30 KG Debug macros, allow disabling DsCn, set *
+ * BIT4 in CtrlR4, EN_PAGE_INT, 2.0 module *
+ * param -1 fixed. *
+ * 1.20s 98/08/20 KG Debug info on abort(), try to check PCI,*
+ * phys_to_bus instead of phys_to_virt, *
+ * fixed sel. process, fixed locking, *
+ * added MODULE_XXX infos, changed IRQ *
+ * request flags, disable DMA_INT *
+ * 1.20t 98/09/07 KG TagQ report fixed; Write Erase DMA Stat;*
+ * initfunc -> __init; better abort; *
+ * Timeout for XFER_DONE & BLAST_COMPLETE; *
+ * Allow up to 33 commands being processed *
+ * 2.0a 98/10/14 KG Max Cmnds back to 17. DMA_Stat clearing *
+ * all flags. Clear within while() loops *
+ * in DataIn_0/Out_0. Null ptr in dumpinfo *
+ * for pSRB==0. Better locking during init.*
+ * bios_param() now respects part. table. *
+ * 2.0b 98/10/24 KG Docu fixes. Timeout Msg in DMA Blast. *
+ * Disallow illegal idx in INQUIRY/REMOVE *
+ * 2.0c 98/11/19 KG Cleaned up detect/init for SMP boxes, *
+ * Write Erase DMA (1.20t) caused problems *
+ * 2.0d 98/12/25 KG Christmas release ;-) Message handling *
+ * completely reworked. Handle target ini- *
+ * tiated SDTR correctly. *
+ * 2.0d1 99/01/25 KG Try to handle RESTORE_PTR *
+ * 2.0d2 99/02/08 KG Check for failure of kmalloc, correct *
+ * inclusion of scsicam.h, DelayReset *
+ * 2.0d3 99/05/31 KG DRIVER_OK -> DID_OK, DID_NO_CONNECT, *
+ * detect Target mode and warn. *
+ * pcmd->result handling cleaned up. *
+ * 2.0d4 99/06/01 KG Cleaned selection process. Found bug *
+ * which prevented more than 16 tags. Now: *
+ * 24. SDTR cleanup. Cleaner multi-LUN *
+ * handling. Don't modify ControlRegs/FIFO *
+ * when connected. *
+ * 2.0d5 99/06/01 KG Clear DevID, Fix INQUIRY after cfg chg. *
+ * 2.0d6 99/06/02 KG Added ADD special command to allow cfg. *
+ * before detection. Reset SYNC_NEGO_DONE *
+ * after a bus reset. *
+ * 2.0d7 99/06/03 KG Fixed bugs wrt add,remove commands *
+ * 2.0d8 99/06/04 KG Removed copying of cmnd into CmdBlock. *
+ * Fixed Oops in _release(). *
+ * 2.0d9 99/06/06 KG Also tag queue INQUIRY, T_U_R, ... *
+ * Allow arb. no. of Tagged Cmnds. Max 32 *
+ * 2.0d1099/06/20 KG TagMaxNo changes now honoured! Queueing *
+ * clearified (renamed ..) TagMask handling*
+ * cleaned. *
+ * 2.0d1199/06/28 KG cmd->result now identical to 2.0d2 *
+ * 2.0d1299/07/04 KG Changed order of processing in IRQ *
+ * 2.0d1399/07/05 KG Don't update DCB fields if removed *
+ * 2.0d1499/07/05 KG remove_dev: Move kfree() to the end *
+ * 2.0d1599/07/12 KG use_new_eh_code: 0, ULONG -> UINT where *
+ * appropriate *
+ * 2.0d1699/07/13 KG Reenable StartSCSI interrupt, Retry msg *
+ * 2.0d1799/07/15 KG Remove debug msg. Disable recfg. when *
+ * there are queued cmnds *
+ * 2.0d1899/07/18 KG Selection timeout: Don't requeue *
+ * 2.0d1999/07/18 KG Abort: Only call scsi_done if dequeued *
+ * 2.0d2099/07/19 KG Rst_Detect: DoingSRB_Done *
+ * 2.0d2199/08/15 KG dev_id for request/free_irq, cmnd[0] for*
+ * RETRY, SRBdone does DID_ABORT for the *
+ * cmd passed by DC390_reset() *
+ * 2.0d2299/08/25 KG dev_id fixed. can_queue: 42 *
+ * 2.0d2399/08/25 KG Removed some debugging code. dev_id *
+ * now is set to pACB. Use u8,u16,u32. *
+ * 2.0d2499/11/14 KG Unreg. I/O if failed IRQ alloc. Call *
+ * done () w/ DID_BAD_TARGET in case of *
+ * missing DCB. We are old EH!! *
+ * 2.0d2500/01/15 KG 2.3.3x compat from Andreas Schultz *
+ * set unique_id. Disable RETRY message. *
+ * 2.0d2600/01/29 KG Go to new EH. *
+ * 2.0d2700/01/31 KG ... but maintain 2.0 compat. *
+ * and fix DCB freeing *
+ * 2.0d2800/02/14 KG Queue statistics fixed, dump special cmd*
+ * Waiting_Timer for failed StartSCSI *
+ * New EH: Don't return cmnds to ML on RST *
+ * Use old EH (don't have new EH fns yet) *
+ * Reset: Unlock, but refuse to queue *
+ * 2.3 __setup function *
+ * 2.0e 00/05/22 KG Return residual for 2.3 *
+ * 2.0e1 00/05/25 KG Compile fixes for 2.3.99 *
+ * 2.0e2 00/05/27 KG Jeff Garzik's pci_enable_device() *
+ * 2.0e3 00/09/29 KG Some 2.4 changes. Don't try Sync Nego *
+ * before INQUIRY has reported ability. *
+ * Recognise INQUIRY as scanning command. *
+ * 2.0e4 00/10/13 KG Allow compilation into 2.4 kernel *
+ * 2.0e5 00/11/17 KG Store Inq.flags in DCB *
+ * 2.0e6 00/11/22 KG 2.4 init function (Thx to O.Schumann) *
+ * 2.4 PCI device table (Thx to A.Richter) *
+ * 2.0e7 00/11/28 KG Allow overriding of BIOS settings *
+ * 2.0f 00/12/20 KG Handle failed INQUIRYs during scan *
+ * 2.1a 03/11/29 GL, KG Initial fixing for 2.6. Convert to *
+ * use the current PCI-mapping API, update *
+ * command-queuing. *
+ * 2.1b 04/04/13 GL Fix for 64-bit platforms *
+ * 2.1b1 04/01/31 GL (applied 05.04) Remove internal *
+ * command-queuing. *
+ * 2.1b2 04/02/01 CH (applied 05.04) Fix error-handling *
+ * 2.1c 04/05/23 GL Update to use the new pci_driver API, *
+ * some scsi EH updates, more cleanup. *
+ * 2.1d 04/05/27 GL Moved setting of scan_devices to *
+ * slave_alloc/_configure/_destroy, as *
+ * suggested by CH. *
+ ***********************************************************************/
+
+/* DEBUG options */
+//#define DC390_DEBUG0
+//#define DC390_DEBUG1
+//#define DC390_DCBDEBUG
+//#define DC390_PARSEDEBUG
+//#define DC390_REMOVABLEDEBUG
+//#define DC390_LOCKDEBUG
+
+//#define NOP do{}while(0)
+#define C_NOP
+
+/* Debug definitions */
+#ifdef DC390_DEBUG0
+# define DEBUG0(x) x
+#else
+# define DEBUG0(x) C_NOP
+#endif
+#ifdef DC390_DEBUG1
+# define DEBUG1(x) x
+#else
+# define DEBUG1(x) C_NOP
+#endif
+#ifdef DC390_DCBDEBUG
+# define DCBDEBUG(x) x
+#else
+# define DCBDEBUG(x) C_NOP
+#endif
+#ifdef DC390_PARSEDEBUG
+# define PARSEDEBUG(x) x
+#else
+# define PARSEDEBUG(x) C_NOP
+#endif
+#ifdef DC390_REMOVABLEDEBUG
+# define REMOVABLEDEBUG(x) x
+#else
+# define REMOVABLEDEBUG(x) C_NOP
+#endif
+#define DCBDEBUG1(x) C_NOP
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/blkdev.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <asm/io.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsicam.h>
+#include <scsi/scsi_tcq.h>
+
+
+#define DC390_BANNER "Tekram DC390/AM53C974"
+#define DC390_VERSION "2.1d 2004-05-27"
+
+#define PCI_DEVICE_ID_AMD53C974 PCI_DEVICE_ID_AMD_SCSI
+
+#include "tmscsim.h"
+
+
+static void dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Command_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Status_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_DataInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_StatusPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_MsgInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Nop_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+static void dc390_Nop_1( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus);
+
+static void dc390_SetXferRate( struct dc390_acb* pACB, struct dc390_dcb* pDCB );
+static void dc390_Disconnect( struct dc390_acb* pACB );
+static void dc390_Reselect( struct dc390_acb* pACB );
+static void dc390_SRBdone( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB );
+static void dc390_ScsiRstDetect( struct dc390_acb* pACB );
+static void dc390_EnableMsgOut_Abort(struct dc390_acb*, struct dc390_srb*);
+static void dc390_dumpinfo(struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB);
+static void dc390_ResetDevParam(struct dc390_acb* pACB);
+
+static u32 dc390_laststatus = 0;
+static u8 dc390_adapterCnt = 0;
+
+/* Startup values, to be overriden on the commandline */
+static int tmscsim[] = {-2, -2, -2, -2, -2, -2};
+
+module_param_array(tmscsim, int, NULL, 0);
+MODULE_PARM_DESC(tmscsim, "Host SCSI ID, Speed (0=10MHz), Device Flags, Adapter Flags, Max Tags (log2(tags)-1), DelayReset (s)");
+MODULE_AUTHOR("C.L. Huang / Kurt Garloff");
+MODULE_DESCRIPTION("SCSI host adapter driver for Tekram DC390 and other AMD53C974A based PCI SCSI adapters");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("sd,sr,sg,st");
+
+static void *dc390_phase0[]={
+ dc390_DataOut_0,
+ dc390_DataIn_0,
+ dc390_Command_0,
+ dc390_Status_0,
+ dc390_Nop_0,
+ dc390_Nop_0,
+ dc390_MsgOut_0,
+ dc390_MsgIn_0,
+ dc390_Nop_1
+ };
+
+static void *dc390_phase1[]={
+ dc390_DataOutPhase,
+ dc390_DataInPhase,
+ dc390_CommandPhase,
+ dc390_StatusPhase,
+ dc390_Nop_0,
+ dc390_Nop_0,
+ dc390_MsgOutPhase,
+ dc390_MsgInPhase,
+ dc390_Nop_1
+ };
+
+#ifdef DC390_DEBUG1
+static char* dc390_p0_str[] = {
+ "dc390_DataOut_0",
+ "dc390_DataIn_0",
+ "dc390_Command_0",
+ "dc390_Status_0",
+ "dc390_Nop_0",
+ "dc390_Nop_0",
+ "dc390_MsgOut_0",
+ "dc390_MsgIn_0",
+ "dc390_Nop_1"
+ };
+
+static char* dc390_p1_str[] = {
+ "dc390_DataOutPhase",
+ "dc390_DataInPhase",
+ "dc390_CommandPhase",
+ "dc390_StatusPhase",
+ "dc390_Nop_0",
+ "dc390_Nop_0",
+ "dc390_MsgOutPhase",
+ "dc390_MsgInPhase",
+ "dc390_Nop_1"
+ };
+#endif
+
+static u8 dc390_eepromBuf[MAX_ADAPTER_NUM][EE_LEN];
+static u8 dc390_clock_period1[] = {4, 5, 6, 7, 8, 10, 13, 20};
+static u8 dc390_clock_speed[] = {100,80,67,57,50, 40, 31, 20};
+
+/***********************************************************************
+ * Functions for the management of the internal structures
+ * (DCBs, SRBs, Queueing)
+ *
+ **********************************************************************/
+static struct dc390_dcb __inline__ *dc390_findDCB ( struct dc390_acb* pACB, u8 id, u8 lun)
+{
+ struct dc390_dcb* pDCB = pACB->pLinkDCB; if (!pDCB) return NULL;
+ while (pDCB->TargetID != id || pDCB->TargetLUN != lun)
+ {
+ pDCB = pDCB->pNextDCB;
+ if (pDCB == pACB->pLinkDCB)
+ return NULL;
+ }
+ DCBDEBUG1( printk (KERN_DEBUG "DCB %p (%02x,%02x) found.\n", \
+ pDCB, pDCB->TargetID, pDCB->TargetLUN));
+ return pDCB;
+}
+
+/* Insert SRB oin top of free list */
+static __inline__ void dc390_Free_insert (struct dc390_acb* pACB, struct dc390_srb* pSRB)
+{
+ DEBUG0(printk ("DC390: Free SRB %p\n", pSRB));
+ pSRB->pNextSRB = pACB->pFreeSRB;
+ pACB->pFreeSRB = pSRB;
+}
+
+static __inline__ void dc390_Going_append (struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
+{
+ pDCB->GoingSRBCnt++;
+ DEBUG0(printk("DC390: Append SRB %p to Going\n", pSRB));
+ /* Append to the list of Going commands */
+ if( pDCB->pGoingSRB )
+ pDCB->pGoingLast->pNextSRB = pSRB;
+ else
+ pDCB->pGoingSRB = pSRB;
+
+ pDCB->pGoingLast = pSRB;
+ /* No next one in sent list */
+ pSRB->pNextSRB = NULL;
+}
+
+static __inline__ void dc390_Going_remove (struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
+{
+ DEBUG0(printk("DC390: Remove SRB %p from Going\n", pSRB));
+ if (pSRB == pDCB->pGoingSRB)
+ pDCB->pGoingSRB = pSRB->pNextSRB;
+ else
+ {
+ struct dc390_srb* psrb = pDCB->pGoingSRB;
+ while (psrb && psrb->pNextSRB != pSRB)
+ psrb = psrb->pNextSRB;
+ if (!psrb)
+ { printk (KERN_ERR "DC390: Remove non-ex. SRB %p from Going!\n", pSRB); return; }
+ psrb->pNextSRB = pSRB->pNextSRB;
+ if (pSRB == pDCB->pGoingLast)
+ pDCB->pGoingLast = psrb;
+ }
+ pDCB->GoingSRBCnt--;
+}
+
+static struct scatterlist* dc390_sg_build_single(struct scatterlist *sg, void *addr, unsigned int length)
+{
+ memset(sg, 0, sizeof(struct scatterlist));
+ sg->page = virt_to_page(addr);
+ sg->length = length;
+ sg->offset = (unsigned long)addr & ~PAGE_MASK;
+ return sg;
+}
+
+/* Create pci mapping */
+static int dc390_pci_map (struct dc390_srb* pSRB)
+{
+ int error = 0;
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
+ struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev;
+ dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp));
+
+ /* Map sense buffer */
+ if (pSRB->SRBFlag & AUTO_REQSENSE) {
+ pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->sense_buffer, sizeof(pcmd->sense_buffer));
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, 1,
+ DMA_FROM_DEVICE);
+ cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList);
+
+ /* TODO: error handling */
+ if (pSRB->SGcount != 1)
+ error = 1;
+ DEBUG1(printk("%s(): Mapped sense buffer %p at %x\n", __FUNCTION__, pcmd->sense_buffer, cmdp->saved_dma_handle));
+ /* Map SG list */
+ } else if (pcmd->use_sg) {
+ pSRB->pSegmentList = (struct scatterlist *) pcmd->request_buffer;
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, pcmd->use_sg,
+ pcmd->sc_data_direction);
+ /* TODO: error handling */
+ if (!pSRB->SGcount)
+ error = 1;
+ DEBUG1(printk("%s(): Mapped SG %p with %d (%d) elements\n",\
+ __FUNCTION__, pcmd->request_buffer, pSRB->SGcount, pcmd->use_sg));
+ /* Map single segment */
+ } else if (pcmd->request_buffer && pcmd->request_bufflen) {
+ pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->request_buffer, pcmd->request_bufflen);
+ pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, 1,
+ pcmd->sc_data_direction);
+ cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList);
+
+ /* TODO: error handling */
+ if (pSRB->SGcount != 1)
+ error = 1;
+ DEBUG1(printk("%s(): Mapped request buffer %p at %x\n", __FUNCTION__, pcmd->request_buffer, cmdp->saved_dma_handle));
+ /* No mapping !? */
+ } else
+ pSRB->SGcount = 0;
+
+ return error;
+}
+
+/* Remove pci mapping */
+static void dc390_pci_unmap (struct dc390_srb* pSRB)
+{
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
+ struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev;
+ DEBUG1(dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp)));
+
+ if (pSRB->SRBFlag) {
+ pci_unmap_sg(pdev, &pSRB->Segmentx, 1, DMA_FROM_DEVICE);
+ DEBUG1(printk("%s(): Unmapped sense buffer at %x\n", __FUNCTION__, cmdp->saved_dma_handle));
+ } else if (pcmd->use_sg) {
+ pci_unmap_sg(pdev, pcmd->request_buffer, pcmd->use_sg, pcmd->sc_data_direction);
+ DEBUG1(printk("%s(): Unmapped SG at %p with %d elements\n", __FUNCTION__, pcmd->request_buffer, pcmd->use_sg));
+ } else if (pcmd->request_buffer && pcmd->request_bufflen) {
+ pci_unmap_sg(pdev, &pSRB->Segmentx, 1, pcmd->sc_data_direction);
+ DEBUG1(printk("%s(): Unmapped request buffer at %x\n", __FUNCTION__, cmdp->saved_dma_handle));
+ }
+}
+
+static void __inline__
+dc390_freetag (struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
+{
+ if (pSRB->TagNumber != SCSI_NO_TAG) {
+ pDCB->TagMask &= ~(1 << pSRB->TagNumber); /* free tag mask */
+ pSRB->TagNumber = SCSI_NO_TAG;
+ }
+}
+
+
+static int
+dc390_StartSCSI( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB )
+{
+ struct scsi_cmnd *scmd = pSRB->pcmd;
+ struct scsi_device *sdev = scmd->device;
+ u8 cmd, disc_allowed, try_sync_nego;
+ char tag[2];
+
+ pSRB->ScsiPhase = SCSI_NOP0;
+
+ if (pACB->Connected)
+ {
+ // Should not happen normally
+ printk (KERN_WARNING "DC390: Can't select when connected! (%08x,%02x)\n",
+ pSRB->SRBState, pSRB->SRBFlag);
+ pSRB->SRBState = SRB_READY;
+ pACB->SelConn++;
+ return 1;
+ }
+ if (time_before (jiffies, pACB->pScsiHost->last_reset))
+ {
+ DEBUG0(printk ("DC390: We were just reset and don't accept commands yet!\n"));
+ return 1;
+ }
+ /* KG: Moved pci mapping here */
+ dc390_pci_map(pSRB);
+ /* TODO: error handling */
+ DC390_write8 (Scsi_Dest_ID, pDCB->TargetID);
+ DC390_write8 (Sync_Period, pDCB->SyncPeriod);
+ DC390_write8 (Sync_Offset, pDCB->SyncOffset);
+ DC390_write8 (CtrlReg1, pDCB->CtrlR1);
+ DC390_write8 (CtrlReg3, pDCB->CtrlR3);
+ DC390_write8 (CtrlReg4, pDCB->CtrlR4);
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); /* Flush FIFO */
+ DEBUG1(printk (KERN_INFO "DC390: Start SCSI command: %02x (Sync:%02x)\n",\
+ scmd->cmnd[0], pDCB->SyncMode));
+
+ /* Don't disconnect on AUTO_REQSENSE, cause it might be an
+ * Contingent Allegiance Condition (6.6), where no tags should be used.
+ * All other have to be allowed to disconnect to prevent Incorrect
+ * Initiator Connection (6.8.2/6.5.2) */
+ /* Changed KG, 99/06/06 */
+ if (! (pSRB->SRBFlag & AUTO_REQSENSE))
+ disc_allowed = pDCB->DevMode & EN_DISCONNECT_;
+ else
+ disc_allowed = 0;
+
+ if ((pDCB->SyncMode & SYNC_ENABLE) && pDCB->TargetLUN == 0 && sdev->sdtr &&
+ (((scmd->cmnd[0] == REQUEST_SENSE || (pSRB->SRBFlag & AUTO_REQSENSE)) &&
+ !(pDCB->SyncMode & SYNC_NEGO_DONE)) || scmd->cmnd[0] == INQUIRY))
+ try_sync_nego = 1;
+ else
+ try_sync_nego = 0;
+
+ pSRB->MsgCnt = 0;
+ cmd = SEL_W_ATN;
+ DC390_write8 (ScsiFifo, IDENTIFY(disc_allowed, pDCB->TargetLUN));
+ /* Change 99/05/31: Don't use tags when not disconnecting (BUSY) */
+ if ((pDCB->SyncMode & EN_TAG_QUEUEING) && disc_allowed && scsi_populate_tag_msg(scmd, tag)) {
+ DC390_write8(ScsiFifo, tag[0]);
+ pDCB->TagMask |= 1 << tag[1];
+ pSRB->TagNumber = tag[1];
+ DC390_write8(ScsiFifo, tag[1]);
+ DEBUG1(printk(KERN_INFO "DC390: Select w/DisCn for Cmd %li (SRB %p), block tag %02x\n", scmd->pid, pSRB, tag[1]));
+ cmd = SEL_W_ATN3;
+ } else {
+ /* No TagQ */
+//no_tag:
+ DEBUG1(printk(KERN_INFO "DC390: Select w%s/DisCn for Cmd %li (SRB %p), No TagQ\n", disc_allowed ? "" : "o", scmd->pid, pSRB));
+ }
+
+ pSRB->SRBState = SRB_START_;
+
+ if (try_sync_nego)
+ {
+ u8 Sync_Off = pDCB->SyncOffset;
+ DEBUG0(printk (KERN_INFO "DC390: NEW Sync Nego code triggered (%i %i)\n", pDCB->TargetID, pDCB->TargetLUN));
+ pSRB->MsgOutBuf[0] = EXTENDED_MESSAGE;
+ pSRB->MsgOutBuf[1] = 3;
+ pSRB->MsgOutBuf[2] = EXTENDED_SDTR;
+ pSRB->MsgOutBuf[3] = pDCB->NegoPeriod;
+ if (!(Sync_Off & 0x0f)) Sync_Off = SYNC_NEGO_OFFSET;
+ pSRB->MsgOutBuf[4] = Sync_Off;
+ pSRB->MsgCnt = 5;
+ //pSRB->SRBState = SRB_MSGOUT_;
+ pSRB->SRBState |= DO_SYNC_NEGO;
+ cmd = SEL_W_ATN_STOP;
+ }
+
+ /* Command is written in CommandPhase, if SEL_W_ATN_STOP ... */
+ if (cmd != SEL_W_ATN_STOP)
+ {
+ if( pSRB->SRBFlag & AUTO_REQSENSE )
+ {
+ DC390_write8 (ScsiFifo, REQUEST_SENSE);
+ DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5);
+ DC390_write8 (ScsiFifo, 0);
+ DC390_write8 (ScsiFifo, 0);
+ DC390_write8 (ScsiFifo, sizeof(scmd->sense_buffer));
+ DC390_write8 (ScsiFifo, 0);
+ DEBUG1(printk (KERN_DEBUG "DC390: AutoReqSense !\n"));
+ }
+ else /* write cmnd to bus */
+ {
+ u8 *ptr; u8 i;
+ ptr = (u8 *)scmd->cmnd;
+ for (i = 0; i < scmd->cmd_len; i++)
+ DC390_write8 (ScsiFifo, *(ptr++));
+ }
+ }
+ DEBUG0(if (pACB->pActiveDCB) \
+ printk (KERN_WARNING "DC390: ActiveDCB != 0\n"));
+ DEBUG0(if (pDCB->pActiveSRB) \
+ printk (KERN_WARNING "DC390: ActiveSRB != 0\n"));
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+ if (DC390_read8 (Scsi_Status) & INTERRUPT)
+ {
+ dc390_freetag (pDCB, pSRB);
+ DEBUG0(printk ("DC390: Interrupt during Start SCSI (pid %li, target %02i-%02i)\n",
+ scmd->pid, scmd->device->id, scmd->device->lun));
+ pSRB->SRBState = SRB_READY;
+ //DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ pACB->SelLost++;
+ return 1;
+ }
+ DC390_write8 (ScsiCmd, cmd);
+ pACB->pActiveDCB = pDCB;
+ pDCB->pActiveSRB = pSRB;
+ pACB->Connected = 1;
+ pSRB->ScsiPhase = SCSI_NOP1;
+ return 0;
+}
+
+//#define DMA_INT EN_DMA_INT /*| EN_PAGE_INT*/
+#define DMA_INT 0
+
+#if DMA_INT
+/* This is similar to AM53C974.c ... */
+static u8
+dc390_dma_intr (struct dc390_acb* pACB)
+{
+ struct dc390_srb* pSRB;
+ u8 dstate;
+ DEBUG0(u16 pstate; struct pci_dev *pdev = pACB->pdev);
+
+ DEBUG0(pci_read_config_word(pdev, PCI_STATUS, &pstate));
+ DEBUG0(if (pstate & (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY))\
+ { printk(KERN_WARNING "DC390: PCI state = %04x!\n", pstate); \
+ pci_write_config_word(pdev, PCI_STATUS, (PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY));});
+
+ dstate = DC390_read8 (DMA_Status);
+
+ if (! pACB->pActiveDCB || ! pACB->pActiveDCB->pActiveSRB) return dstate;
+ else pSRB = pACB->pActiveDCB->pActiveSRB;
+
+ if (dstate & (DMA_XFER_ABORT | DMA_XFER_ERROR | POWER_DOWN | PCI_MS_ABORT))
+ {
+ printk (KERN_ERR "DC390: DMA error (%02x)!\n", dstate);
+ return dstate;
+ }
+ if (dstate & DMA_XFER_DONE)
+ {
+ u32 residual, xferCnt; int ctr = 6000000;
+ if (! (DC390_read8 (DMA_Cmd) & READ_DIRECTION))
+ {
+ do
+ {
+ DEBUG1(printk (KERN_DEBUG "DC390: read residual bytes ... \n"));
+ dstate = DC390_read8 (DMA_Status);
+ residual = DC390_read8 (CtcReg_Low) | DC390_read8 (CtcReg_Mid) << 8 |
+ DC390_read8 (CtcReg_High) << 16;
+ residual += DC390_read8 (Current_Fifo) & 0x1f;
+ } while (residual && ! (dstate & SCSI_INTERRUPT) && --ctr);
+ if (!ctr) printk (KERN_CRIT "DC390: dma_intr: DMA aborted unfinished: %06x bytes remain!!\n", DC390_read32 (DMA_Wk_ByteCntr));
+ /* residual = ... */
+ }
+ else
+ residual = 0;
+
+ /* ??? */
+
+ xferCnt = pSRB->SGToBeXferLen - residual;
+ pSRB->SGBusAddr += xferCnt;
+ pSRB->TotalXferredLen += xferCnt;
+ pSRB->SGToBeXferLen = residual;
+# ifdef DC390_DEBUG0
+ printk (KERN_INFO "DC390: DMA: residual = %i, xfer = %i\n",
+ (unsigned int)residual, (unsigned int)xferCnt);
+# endif
+
+ DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+ }
+ dc390_laststatus &= ~0xff000000; dc390_laststatus |= dstate << 24;
+ return dstate;
+}
+#endif
+
+
+static void __inline__
+dc390_InvalidCmd(struct dc390_acb* pACB)
+{
+ if (pACB->pActiveDCB->pActiveSRB->SRBState & (SRB_START_ | SRB_MSGOUT))
+ DC390_write8(ScsiCmd, CLEAR_FIFO_CMD);
+}
+
+
+static irqreturn_t __inline__
+DC390_Interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct dc390_acb *pACB = (struct dc390_acb*)dev_id;
+ struct dc390_dcb *pDCB;
+ struct dc390_srb *pSRB;
+ u8 sstatus=0;
+ u8 phase;
+ void (*stateV)( struct dc390_acb*, struct dc390_srb*, u8 *);
+ u8 istate, istatus;
+#if DMA_INT
+ u8 dstatus;
+#endif
+
+ sstatus = DC390_read8 (Scsi_Status);
+ if( !(sstatus & INTERRUPT) )
+ return IRQ_NONE;
+
+ DEBUG1(printk (KERN_DEBUG "sstatus=%02x,", sstatus));
+
+#if DMA_INT
+ spin_lock_irq(pACB->pScsiHost->host_lock);
+ dstatus = dc390_dma_intr (pACB);
+ spin_unlock_irq(pACB->pScsiHost->host_lock);
+
+ DEBUG1(printk (KERN_DEBUG "dstatus=%02x,", dstatus));
+ if (! (dstatus & SCSI_INTERRUPT))
+ {
+ DEBUG0(printk (KERN_WARNING "DC390 Int w/o SCSI actions (only DMA?)\n"));
+ return IRQ_NONE;
+ }
+#else
+ //DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | EN_INT_ON_PCI_ABORT);
+ //dstatus = DC390_read8 (DMA_Status);
+ //DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT);
+#endif
+
+ spin_lock_irq(pACB->pScsiHost->host_lock);
+
+ istate = DC390_read8 (Intern_State);
+ istatus = DC390_read8 (INT_Status); /* This clears Scsi_Status, Intern_State and INT_Status ! */
+
+ DEBUG1(printk (KERN_INFO "Istatus(Res,Inv,Dis,Serv,Succ,ReS,SelA,Sel)=%02x,",istatus));
+ dc390_laststatus &= ~0x00ffffff;
+ dc390_laststatus |= /* dstatus<<24 | */ sstatus<<16 | istate<<8 | istatus;
+
+ if (sstatus & ILLEGAL_OP_ERR)
+ {
+ printk ("DC390: Illegal Operation detected (%08x)!\n", dc390_laststatus);
+ dc390_dumpinfo (pACB, pACB->pActiveDCB, pACB->pActiveDCB->pActiveSRB);
+ }
+
+ else if (istatus & INVALID_CMD)
+ {
+ printk ("DC390: Invalid Command detected (%08x)!\n", dc390_laststatus);
+ dc390_InvalidCmd( pACB );
+ goto unlock;
+ }
+
+ if (istatus & SCSI_RESET)
+ {
+ dc390_ScsiRstDetect( pACB );
+ goto unlock;
+ }
+
+ if (istatus & DISCONNECTED)
+ {
+ dc390_Disconnect( pACB );
+ goto unlock;
+ }
+
+ if (istatus & RESELECTED)
+ {
+ dc390_Reselect( pACB );
+ goto unlock;
+ }
+
+ else if (istatus & (SELECTED | SEL_ATTENTION))
+ {
+ printk (KERN_ERR "DC390: Target mode not supported!\n");
+ goto unlock;
+ }
+
+ if (istatus & (SUCCESSFUL_OP|SERVICE_REQUEST) )
+ {
+ pDCB = pACB->pActiveDCB;
+ if (!pDCB)
+ {
+ printk (KERN_ERR "DC390: Suc. op/ Serv. req: pActiveDCB = 0!\n");
+ goto unlock;
+ }
+ pSRB = pDCB->pActiveSRB;
+ if( pDCB->DCBFlag & ABORT_DEV_ )
+ dc390_EnableMsgOut_Abort (pACB, pSRB);
+
+ phase = pSRB->ScsiPhase;
+ DEBUG1(printk (KERN_INFO "DC390: [%i]%s(0) (%02x)\n", phase, dc390_p0_str[phase], sstatus));
+ stateV = (void *) dc390_phase0[phase];
+ ( *stateV )( pACB, pSRB, &sstatus );
+
+ pSRB->ScsiPhase = sstatus & 7;
+ phase = (u8) sstatus & 7;
+ DEBUG1(printk (KERN_INFO "DC390: [%i]%s(1) (%02x)\n", phase, dc390_p1_str[phase], sstatus));
+ stateV = (void *) dc390_phase1[phase];
+ ( *stateV )( pACB, pSRB, &sstatus );
+ }
+
+ unlock:
+ spin_unlock_irq(pACB->pScsiHost->host_lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t do_DC390_Interrupt( int irq, void *dev_id, struct pt_regs *regs)
+{
+ irqreturn_t ret;
+ DEBUG1(printk (KERN_INFO "DC390: Irq (%i) caught: ", irq));
+ /* Locking is done in DC390_Interrupt */
+ ret = DC390_Interrupt(irq, dev_id, regs);
+ DEBUG1(printk (".. IRQ returned\n"));
+ return ret;
+}
+
+static void
+dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ u8 sstatus;
+ struct scatterlist *psgl;
+ u32 ResidCnt, xferCnt;
+ u8 dstate = 0;
+
+ sstatus = *psstatus;
+
+ if( !(pSRB->SRBState & SRB_XFERPAD) )
+ {
+ if( sstatus & (PARITY_ERR | ILLEGAL_OP_ERR) )
+ pSRB->SRBStatus |= PARITY_ERROR;
+
+ if( sstatus & COUNT_2_ZERO )
+ {
+ unsigned long timeout = jiffies + HZ;
+
+ /* Function called from the ISR with the host_lock held and interrupts disabled */
+ if (pSRB->SGToBeXferLen)
+ while (time_before(jiffies, timeout) && !((dstate = DC390_read8 (DMA_Status)) & DMA_XFER_DONE)) {
+ spin_unlock_irq(pACB->pScsiHost->host_lock);
+ udelay(50);
+ spin_lock_irq(pACB->pScsiHost->host_lock);
+ }
+ if (!time_before(jiffies, timeout))
+ printk (KERN_CRIT "DC390: Deadlock in DataOut_0: DMA aborted unfinished: %06x bytes remain!!\n",
+ DC390_read32 (DMA_Wk_ByteCntr));
+ dc390_laststatus &= ~0xff000000;
+ dc390_laststatus |= dstate << 24;
+ pSRB->TotalXferredLen += pSRB->SGToBeXferLen;
+ pSRB->SGIndex++;
+ if( pSRB->SGIndex < pSRB->SGcount )
+ {
+ pSRB->pSegmentList++;
+ psgl = pSRB->pSegmentList;
+
+ pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl)));
+ pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl));
+ }
+ else
+ pSRB->SGToBeXferLen = 0;
+ }
+ else
+ {
+ ResidCnt = (u32) DC390_read8 (Current_Fifo) & 0x1f;
+ ResidCnt |= (u32) DC390_read8 (CtcReg_High) << 16;
+ ResidCnt |= (u32) DC390_read8 (CtcReg_Mid) << 8;
+ ResidCnt += (u32) DC390_read8 (CtcReg_Low);
+
+ xferCnt = pSRB->SGToBeXferLen - ResidCnt;
+ pSRB->SGBusAddr += xferCnt;
+ pSRB->TotalXferredLen += xferCnt;
+ pSRB->SGToBeXferLen = ResidCnt;
+ }
+ }
+ if ((*psstatus & 7) != SCSI_DATA_OUT)
+ {
+ DC390_write8 (DMA_Cmd, WRITE_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ }
+}
+
+static void
+dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ u8 sstatus, residual, bval;
+ struct scatterlist *psgl;
+ u32 ResidCnt, i;
+ unsigned long xferCnt;
+ u8 *ptr;
+
+ sstatus = *psstatus;
+
+ if( !(pSRB->SRBState & SRB_XFERPAD) )
+ {
+ if( sstatus & (PARITY_ERR | ILLEGAL_OP_ERR))
+ pSRB->SRBStatus |= PARITY_ERROR;
+
+ if( sstatus & COUNT_2_ZERO )
+ {
+ int dstate = 0;
+ unsigned long timeout = jiffies + HZ;
+
+ /* Function called from the ISR with the host_lock held and interrupts disabled */
+ if (pSRB->SGToBeXferLen)
+ while (time_before(jiffies, timeout) && !((dstate = DC390_read8 (DMA_Status)) & DMA_XFER_DONE)) {
+ spin_unlock_irq(pACB->pScsiHost->host_lock);
+ udelay(50);
+ spin_lock_irq(pACB->pScsiHost->host_lock);
+ }
+ if (!time_before(jiffies, timeout)) {
+ printk (KERN_CRIT "DC390: Deadlock in DataIn_0: DMA aborted unfinished: %06x bytes remain!!\n",
+ DC390_read32 (DMA_Wk_ByteCntr));
+ printk (KERN_CRIT "DC390: DataIn_0: DMA State: %i\n", dstate);
+ }
+ dc390_laststatus &= ~0xff000000;
+ dc390_laststatus |= dstate << 24;
+ DEBUG1(ResidCnt = ((unsigned long) DC390_read8 (CtcReg_High) << 16) \
+ + ((unsigned long) DC390_read8 (CtcReg_Mid) << 8) \
+ + ((unsigned long) DC390_read8 (CtcReg_Low)));
+ DEBUG1(printk (KERN_DEBUG "Count_2_Zero (ResidCnt=%i,ToBeXfer=%li),", ResidCnt, pSRB->SGToBeXferLen));
+
+ DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */
+
+ pSRB->TotalXferredLen += pSRB->SGToBeXferLen;
+ pSRB->SGIndex++;
+ if( pSRB->SGIndex < pSRB->SGcount )
+ {
+ pSRB->pSegmentList++;
+ psgl = pSRB->pSegmentList;
+
+ pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl)));
+ pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl));
+ }
+ else
+ pSRB->SGToBeXferLen = 0;
+ }
+ else /* phase changed */
+ {
+ residual = 0;
+ bval = DC390_read8 (Current_Fifo);
+ while( bval & 0x1f )
+ {
+ DEBUG1(printk (KERN_DEBUG "Check for residuals,"));
+ if( (bval & 0x1f) == 1 )
+ {
+ for(i=0; i < 0x100; i++)
+ {
+ bval = DC390_read8 (Current_Fifo);
+ if( !(bval & 0x1f) )
+ goto din_1;
+ else if( i == 0x0ff )
+ {
+ residual = 1; /* ;1 residual byte */
+ goto din_1;
+ }
+ }
+ }
+ else
+ bval = DC390_read8 (Current_Fifo);
+ }
+din_1:
+ DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_BLAST_CMD);
+ for (i = 0xa000; i; i--)
+ {
+ bval = DC390_read8 (DMA_Status);
+ if (bval & BLAST_COMPLETE)
+ break;
+ }
+ /* It seems a DMA Blast abort isn't that bad ... */
+ if (!i) printk (KERN_ERR "DC390: DMA Blast aborted unfinished!\n");
+ //DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */
+ dc390_laststatus &= ~0xff000000; dc390_laststatus |= bval << 24;
+
+ DEBUG1(printk (KERN_DEBUG "Blast: Read %i times DMA_Status %02x", 0xa000-i, bval));
+ ResidCnt = (u32) DC390_read8 (CtcReg_High);
+ ResidCnt <<= 8;
+ ResidCnt |= (u32) DC390_read8 (CtcReg_Mid);
+ ResidCnt <<= 8;
+ ResidCnt |= (u32) DC390_read8 (CtcReg_Low);
+
+ xferCnt = pSRB->SGToBeXferLen - ResidCnt;
+ pSRB->SGBusAddr += xferCnt;
+ pSRB->TotalXferredLen += xferCnt;
+ pSRB->SGToBeXferLen = ResidCnt;
+
+ if( residual )
+ {
+ bval = DC390_read8 (ScsiFifo); /* get one residual byte */
+ ptr = (u8 *) bus_to_virt( pSRB->SGBusAddr );
+ *ptr = bval;
+ pSRB->SGBusAddr++; xferCnt++;
+ pSRB->TotalXferredLen++;
+ pSRB->SGToBeXferLen--;
+ }
+ DEBUG1(printk (KERN_DEBUG "Xfered: %li, Total: %li, Remaining: %li\n", xferCnt,\
+ pSRB->TotalXferredLen, pSRB->SGToBeXferLen));
+
+ }
+ }
+ if ((*psstatus & 7) != SCSI_DATA_IN)
+ {
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); /* | DMA_INT */
+ }
+}
+
+static void
+dc390_Command_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+}
+
+static void
+dc390_Status_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+
+ pSRB->TargetStatus = DC390_read8 (ScsiFifo);
+ //udelay (1);
+ pSRB->EndMessage = DC390_read8 (ScsiFifo); /* get message */
+
+ *psstatus = SCSI_NOP0;
+ pSRB->SRBState = SRB_COMPLETED;
+ DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD);
+}
+
+static void
+dc390_MsgOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ if( pSRB->SRBState & (SRB_UNEXPECT_RESEL+SRB_ABORT_SENT) )
+ *psstatus = SCSI_NOP0;
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+}
+
+
+static void __inline__
+dc390_reprog (struct dc390_acb* pACB, struct dc390_dcb* pDCB)
+{
+ DC390_write8 (Sync_Period, pDCB->SyncPeriod);
+ DC390_write8 (Sync_Offset, pDCB->SyncOffset);
+ DC390_write8 (CtrlReg3, pDCB->CtrlR3);
+ DC390_write8 (CtrlReg4, pDCB->CtrlR4);
+ dc390_SetXferRate (pACB, pDCB);
+}
+
+
+#ifdef DC390_DEBUG0
+static void
+dc390_printMsg (u8 *MsgBuf, u8 len)
+{
+ int i;
+ printk (" %02x", MsgBuf[0]);
+ for (i = 1; i < len; i++)
+ printk (" %02x", MsgBuf[i]);
+ printk ("\n");
+}
+#endif
+
+#define DC390_ENABLE_MSGOUT DC390_write8 (ScsiCmd, SET_ATN_CMD)
+
+/* reject_msg */
+static void __inline__
+dc390_MsgIn_reject (struct dc390_acb* pACB, struct dc390_srb* pSRB)
+{
+ pSRB->MsgOutBuf[0] = MESSAGE_REJECT;
+ pSRB->MsgCnt = 1;
+ DC390_ENABLE_MSGOUT;
+ DEBUG0 (printk (KERN_INFO "DC390: Reject message\n"));
+}
+
+/* abort command */
+static void
+dc390_EnableMsgOut_Abort ( struct dc390_acb* pACB, struct dc390_srb* pSRB )
+{
+ pSRB->MsgOutBuf[0] = ABORT;
+ pSRB->MsgCnt = 1; DC390_ENABLE_MSGOUT;
+ pSRB->pSRBDCB->DCBFlag &= ~ABORT_DEV_;
+}
+
+static struct dc390_srb*
+dc390_MsgIn_QTag (struct dc390_acb* pACB, struct dc390_dcb* pDCB, s8 tag)
+{
+ struct dc390_srb* pSRB = pDCB->pGoingSRB;
+
+ if (pSRB)
+ {
+ struct scsi_cmnd *scmd = scsi_find_tag(pSRB->pcmd->device, tag);
+ pSRB = (struct dc390_srb *)scmd->host_scribble;
+
+ if (pDCB->DCBFlag & ABORT_DEV_)
+ {
+ pSRB->SRBState = SRB_ABORT_SENT;
+ dc390_EnableMsgOut_Abort( pACB, pSRB );
+ }
+
+ if (!(pSRB->SRBState & SRB_DISCONNECT))
+ goto mingx0;
+
+ pDCB->pActiveSRB = pSRB;
+ pSRB->SRBState = SRB_DATA_XFER;
+ }
+ else
+ {
+ mingx0:
+ pSRB = pACB->pTmpSRB;
+ pSRB->SRBState = SRB_UNEXPECT_RESEL;
+ pDCB->pActiveSRB = pSRB;
+ pSRB->MsgOutBuf[0] = ABORT_TAG;
+ pSRB->MsgCnt = 1; DC390_ENABLE_MSGOUT;
+ }
+ return pSRB;
+}
+
+
+/* set async transfer mode */
+static void
+dc390_MsgIn_set_async (struct dc390_acb* pACB, struct dc390_srb* pSRB)
+{
+ struct dc390_dcb* pDCB = pSRB->pSRBDCB;
+ if (!(pSRB->SRBState & DO_SYNC_NEGO))
+ printk (KERN_INFO "DC390: Target %i initiates Non-Sync?\n", pDCB->TargetID);
+ pSRB->SRBState &= ~DO_SYNC_NEGO;
+ pDCB->SyncMode &= ~(SYNC_ENABLE+SYNC_NEGO_DONE);
+ pDCB->SyncPeriod = 0;
+ pDCB->SyncOffset = 0;
+ //pDCB->NegoPeriod = 50; /* 200ns <=> 5 MHz */
+ pDCB->CtrlR3 = FAST_CLK; /* fast clock / normal scsi */
+ pDCB->CtrlR4 &= 0x3f;
+ pDCB->CtrlR4 |= pACB->glitch_cfg; /* glitch eater */
+ dc390_reprog (pACB, pDCB);
+}
+
+/* set sync transfer mode */
+static void
+dc390_MsgIn_set_sync (struct dc390_acb* pACB, struct dc390_srb* pSRB)
+{
+ u8 bval;
+ u16 wval, wval1;
+ struct dc390_dcb* pDCB = pSRB->pSRBDCB;
+ u8 oldsyncperiod = pDCB->SyncPeriod;
+ u8 oldsyncoffset = pDCB->SyncOffset;
+
+ if (!(pSRB->SRBState & DO_SYNC_NEGO))
+ {
+ printk (KERN_INFO "DC390: Target %i initiates Sync: %ins %i ... answer ...\n",
+ pDCB->TargetID, pSRB->MsgInBuf[3]<<2, pSRB->MsgInBuf[4]);
+
+ /* reject */
+ //dc390_MsgIn_reject (pACB, pSRB);
+ //return dc390_MsgIn_set_async (pACB, pSRB);
+
+ /* Reply with corrected SDTR Message */
+ if (pSRB->MsgInBuf[4] > 15)
+ {
+ printk (KERN_INFO "DC390: Lower Sync Offset to 15\n");
+ pSRB->MsgInBuf[4] = 15;
+ }
+ if (pSRB->MsgInBuf[3] < pDCB->NegoPeriod)
+ {
+ printk (KERN_INFO "DC390: Set sync nego period to %ins\n", pDCB->NegoPeriod << 2);
+ pSRB->MsgInBuf[3] = pDCB->NegoPeriod;
+ }
+ memcpy (pSRB->MsgOutBuf, pSRB->MsgInBuf, 5);
+ pSRB->MsgCnt = 5;
+ DC390_ENABLE_MSGOUT;
+ }
+
+ pSRB->SRBState &= ~DO_SYNC_NEGO;
+ pDCB->SyncMode |= SYNC_ENABLE+SYNC_NEGO_DONE;
+ pDCB->SyncOffset &= 0x0f0;
+ pDCB->SyncOffset |= pSRB->MsgInBuf[4];
+ pDCB->NegoPeriod = pSRB->MsgInBuf[3];
+
+ wval = (u16) pSRB->MsgInBuf[3];
+ wval = wval << 2; wval -= 3; wval1 = wval / 25; /* compute speed */
+ if( (wval1 * 25) != wval) wval1++;
+ bval = FAST_CLK+FAST_SCSI; /* fast clock / fast scsi */
+
+ pDCB->CtrlR4 &= 0x3f; /* Glitch eater: 12ns less than normal */
+ if (pACB->glitch_cfg != NS_TO_GLITCH(0))
+ pDCB->CtrlR4 |= NS_TO_GLITCH(((GLITCH_TO_NS(pACB->glitch_cfg)) - 1));
+ else
+ pDCB->CtrlR4 |= NS_TO_GLITCH(0);
+ if (wval1 < 4) pDCB->CtrlR4 |= NS_TO_GLITCH(0); /* Ultra */
+
+ if (wval1 >= 8)
+ {
+ wval1--; /* Timing computation differs by 1 from FAST_SCSI */
+ bval = FAST_CLK; /* fast clock / normal scsi */
+ pDCB->CtrlR4 |= pACB->glitch_cfg; /* glitch eater */
+ }
+
+ pDCB->CtrlR3 = bval;
+ pDCB->SyncPeriod = (u8)wval1;
+
+ if ((oldsyncperiod != wval1 || oldsyncoffset != pDCB->SyncOffset) && pDCB->TargetLUN == 0)
+ {
+ if (! (bval & FAST_SCSI)) wval1++;
+ printk (KERN_INFO "DC390: Target %i: Sync transfer %i.%1i MHz, Offset %i\n", pDCB->TargetID,
+ 40/wval1, ((40%wval1)*10+wval1/2)/wval1, pDCB->SyncOffset & 0x0f);
+ }
+
+ dc390_reprog (pACB, pDCB);
+}
+
+
+/* handle RESTORE_PTR */
+/* I presume, this command is already mapped, so, have to remap. */
+static void
+dc390_restore_ptr (struct dc390_acb* pACB, struct dc390_srb* pSRB)
+{
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
+ struct scatterlist *psgl;
+ pSRB->TotalXferredLen = 0;
+ pSRB->SGIndex = 0;
+ if (pcmd->use_sg) {
+ pSRB->pSegmentList = (struct scatterlist *)pcmd->request_buffer;
+ psgl = pSRB->pSegmentList;
+ //dc390_pci_sync(pSRB);
+
+ while (pSRB->TotalXferredLen + (unsigned long) sg_dma_len(psgl) < pSRB->Saved_Ptr)
+ {
+ pSRB->TotalXferredLen += (unsigned long) sg_dma_len(psgl);
+ pSRB->SGIndex++;
+ if( pSRB->SGIndex < pSRB->SGcount )
+ {
+ pSRB->pSegmentList++;
+ psgl = pSRB->pSegmentList;
+ pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl)));
+ pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl));
+ }
+ else
+ pSRB->SGToBeXferLen = 0;
+ }
+ pSRB->SGToBeXferLen -= (pSRB->Saved_Ptr - pSRB->TotalXferredLen);
+ pSRB->SGBusAddr += (pSRB->Saved_Ptr - pSRB->TotalXferredLen);
+ printk (KERN_INFO "DC390: Pointer restored. Segment %i, Total %li, Bus %08lx\n",
+ pSRB->SGIndex, pSRB->Saved_Ptr, pSRB->SGBusAddr);
+
+ } else if(pcmd->request_buffer) {
+ //dc390_pci_sync(pSRB);
+
+ sg_dma_len(&pSRB->Segmentx) = pcmd->request_bufflen - pSRB->Saved_Ptr;
+ pSRB->SGcount = 1;
+ pSRB->pSegmentList = (struct scatterlist *) &pSRB->Segmentx;
+ } else {
+ pSRB->SGcount = 0;
+ printk (KERN_INFO "DC390: RESTORE_PTR message for Transfer without Scatter-Gather ??\n");
+ }
+
+ pSRB->TotalXferredLen = pSRB->Saved_Ptr;
+}
+
+
+/* According to the docs, the AM53C974 reads the message and
+ * generates a Successful Operation IRQ before asserting ACK for
+ * the last byte (how does it know whether it's the last ?) */
+/* The old code handled it in another way, indicating, that on
+ * every message byte an IRQ is generated and every byte has to
+ * be manually ACKed. Hmmm ? (KG, 98/11/28) */
+/* The old implementation was correct. Sigh! */
+
+/* Check if the message is complete */
+static u8 __inline__
+dc390_MsgIn_complete (u8 *msgbuf, u32 len)
+{
+ if (*msgbuf == EXTENDED_MESSAGE)
+ {
+ if (len < 2) return 0;
+ if (len < msgbuf[1] + 2) return 0;
+ }
+ else if (*msgbuf >= 0x20 && *msgbuf <= 0x2f) // two byte messages
+ if (len < 2) return 0;
+ return 1;
+}
+
+
+
+/* read and eval received messages */
+static void
+dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ struct dc390_dcb* pDCB = pACB->pActiveDCB;
+
+ /* Read the msg */
+
+ pSRB->MsgInBuf[pACB->MsgLen++] = DC390_read8 (ScsiFifo);
+ //pSRB->SRBState = 0;
+
+ /* Msg complete ? */
+ if (dc390_MsgIn_complete (pSRB->MsgInBuf, pACB->MsgLen))
+ {
+ DEBUG0 (printk (KERN_INFO "DC390: MsgIn:"); dc390_printMsg (pSRB->MsgInBuf, pACB->MsgLen));
+ /* Now eval the msg */
+ switch (pSRB->MsgInBuf[0])
+ {
+ case DISCONNECT:
+ pSRB->SRBState = SRB_DISCONNECT; break;
+
+ case SIMPLE_QUEUE_TAG:
+ case HEAD_OF_QUEUE_TAG:
+ case ORDERED_QUEUE_TAG:
+ pSRB = dc390_MsgIn_QTag (pACB, pDCB, pSRB->MsgInBuf[1]);
+ break;
+
+ case MESSAGE_REJECT:
+ DC390_write8 (ScsiCmd, RESET_ATN_CMD);
+ pDCB->NegoPeriod = 50; /* 200ns <=> 5 MHz */
+ if( pSRB->SRBState & DO_SYNC_NEGO)
+ dc390_MsgIn_set_async (pACB, pSRB);
+ break;
+
+ case EXTENDED_MESSAGE:
+ /* reject every extended msg but SDTR */
+ if (pSRB->MsgInBuf[1] != 3 || pSRB->MsgInBuf[2] != EXTENDED_SDTR)
+ dc390_MsgIn_reject (pACB, pSRB);
+ else
+ {
+ if (pSRB->MsgInBuf[3] == 0 || pSRB->MsgInBuf[4] == 0)
+ dc390_MsgIn_set_async (pACB, pSRB);
+ else
+ dc390_MsgIn_set_sync (pACB, pSRB);
+ }
+
+ // nothing has to be done
+ case COMMAND_COMPLETE: break;
+
+ // SAVE POINTER may be ignored as we have the struct dc390_srb* associated with the
+ // scsi command. Thanks, Gerard, for pointing it out.
+ case SAVE_POINTERS:
+ pSRB->Saved_Ptr = pSRB->TotalXferredLen;
+ break;
+ // The device might want to restart transfer with a RESTORE
+ case RESTORE_POINTERS:
+ DEBUG0(printk ("DC390: RESTORE POINTER message received ... try to handle\n"));
+ dc390_restore_ptr (pACB, pSRB);
+ break;
+
+ // reject unknown messages
+ default: dc390_MsgIn_reject (pACB, pSRB);
+ }
+
+ /* Clear counter and MsgIn state */
+ pSRB->SRBState &= ~SRB_MSGIN;
+ pACB->MsgLen = 0;
+ }
+
+ *psstatus = SCSI_NOP0;
+ DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD);
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+}
+
+
+static void
+dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir)
+{
+ struct scatterlist *psgl;
+ unsigned long lval;
+ struct dc390_dcb* pDCB = pACB->pActiveDCB;
+
+ if (pSRB == pACB->pTmpSRB)
+ {
+ if (pDCB)
+ printk(KERN_ERR "DC390: pSRB == pTmpSRB! (TagQ Error?) (%02i-%i)\n", pDCB->TargetID, pDCB->TargetLUN);
+ else
+ printk(KERN_ERR "DC390: pSRB == pTmpSRB! (TagQ Error?) (DCB 0!)\n");
+
+ /* Try to recover - some broken disks react badly to tagged INQUIRY */
+ if (pDCB && pACB->scan_devices && pDCB->GoingSRBCnt == 1) {
+ pSRB = pDCB->pGoingSRB;
+ pDCB->pActiveSRB = pSRB;
+ } else {
+ pSRB->pSRBDCB = pDCB;
+ dc390_EnableMsgOut_Abort(pACB, pSRB);
+ if (pDCB)
+ pDCB->DCBFlag |= ABORT_DEV;
+ return;
+ }
+ }
+
+ if( pSRB->SGIndex < pSRB->SGcount )
+ {
+ DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir /* | DMA_INT */);
+ if( !pSRB->SGToBeXferLen )
+ {
+ psgl = pSRB->pSegmentList;
+ pSRB->SGBusAddr = cpu_to_le32(pci_dma_lo32(sg_dma_address(psgl)));
+ pSRB->SGToBeXferLen = cpu_to_le32(sg_dma_len(psgl));
+ DEBUG1(printk (KERN_DEBUG " DC390: Next SG segment."));
+ }
+ lval = pSRB->SGToBeXferLen;
+ DEBUG1(printk (KERN_DEBUG " DC390: Start transfer: %li bytes (address %08lx)\n", lval, pSRB->SGBusAddr));
+ DC390_write8 (CtcReg_Low, (u8) lval);
+ lval >>= 8;
+ DC390_write8 (CtcReg_Mid, (u8) lval);
+ lval >>= 8;
+ DC390_write8 (CtcReg_High, (u8) lval);
+
+ DC390_write32 (DMA_XferCnt, pSRB->SGToBeXferLen);
+ DC390_write32 (DMA_XferAddr, pSRB->SGBusAddr);
+
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); /* | DMA_INT; */
+ pSRB->SRBState = SRB_DATA_XFER;
+
+ DC390_write8 (ScsiCmd, DMA_COMMAND+INFO_XFER_CMD);
+
+ DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir | DMA_INT);
+ //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | EN_INT_ON_PCI_ABORT));
+ //DEBUG1(printk (KERN_DEBUG "DC390: DMA_Status: %02x\n", DC390_read8 (DMA_Status)));
+ //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT));
+ }
+ else /* xfer pad */
+ {
+ if( pSRB->SGcount )
+ {
+ pSRB->AdaptStatus = H_OVER_UNDER_RUN;
+ pSRB->SRBStatus |= OVER_RUN;
+ DEBUG0(printk (KERN_WARNING " DC390: Overrun -"));
+ }
+ DEBUG0(printk (KERN_WARNING " Clear transfer pad \n"));
+ DC390_write8 (CtcReg_Low, 0);
+ DC390_write8 (CtcReg_Mid, 0);
+ DC390_write8 (CtcReg_High, 0);
+
+ pSRB->SRBState |= SRB_XFERPAD;
+ DC390_write8 (ScsiCmd, DMA_COMMAND+XFER_PAD_BYTE);
+/*
+ DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); // | DMA_INT;
+ DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir | DMA_INT);
+*/
+ }
+}
+
+
+static void
+dc390_DataOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ dc390_DataIO_Comm (pACB, pSRB, WRITE_DIRECTION);
+}
+
+static void
+dc390_DataInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ dc390_DataIO_Comm (pACB, pSRB, READ_DIRECTION);
+}
+
+static void
+dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ struct dc390_dcb* pDCB;
+ u8 i, cnt;
+ u8 *ptr;
+
+ DC390_write8 (ScsiCmd, RESET_ATN_CMD);
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ if( !(pSRB->SRBFlag & AUTO_REQSENSE) )
+ {
+ cnt = (u8) pSRB->pcmd->cmd_len;
+ ptr = (u8 *) pSRB->pcmd->cmnd;
+ for(i=0; i < cnt; i++)
+ DC390_write8 (ScsiFifo, *(ptr++));
+ }
+ else
+ {
+ DC390_write8 (ScsiFifo, REQUEST_SENSE);
+ pDCB = pACB->pActiveDCB;
+ DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5);
+ DC390_write8 (ScsiFifo, 0);
+ DC390_write8 (ScsiFifo, 0);
+ DC390_write8 (ScsiFifo, sizeof(pSRB->pcmd->sense_buffer));
+ DC390_write8 (ScsiFifo, 0);
+ DEBUG0(printk(KERN_DEBUG "DC390: AutoReqSense (CmndPhase)!\n"));
+ }
+ pSRB->SRBState = SRB_COMMAND;
+ DC390_write8 (ScsiCmd, INFO_XFER_CMD);
+}
+
+static void
+dc390_StatusPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ pSRB->SRBState = SRB_STATUS;
+ DC390_write8 (ScsiCmd, INITIATOR_CMD_CMPLTE);
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+}
+
+static void
+dc390_MsgOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ u8 bval, i, cnt;
+ u8 *ptr;
+ struct dc390_dcb* pDCB;
+
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ pDCB = pACB->pActiveDCB;
+ if( !(pSRB->SRBState & SRB_MSGOUT) )
+ {
+ cnt = pSRB->MsgCnt;
+ if( cnt )
+ {
+ ptr = (u8 *) pSRB->MsgOutBuf;
+ for(i=0; i < cnt; i++)
+ DC390_write8 (ScsiFifo, *(ptr++));
+ pSRB->MsgCnt = 0;
+ if( (pDCB->DCBFlag & ABORT_DEV_) &&
+ (pSRB->MsgOutBuf[0] == ABORT) )
+ pSRB->SRBState = SRB_ABORT_SENT;
+ }
+ else
+ {
+ bval = ABORT; /* ??? MSG_NOP */
+ if( (pSRB->pcmd->cmnd[0] == INQUIRY ) ||
+ (pSRB->pcmd->cmnd[0] == REQUEST_SENSE) ||
+ (pSRB->SRBFlag & AUTO_REQSENSE) )
+ {
+ if( pDCB->SyncMode & SYNC_ENABLE )
+ goto mop1;
+ }
+ DC390_write8 (ScsiFifo, bval);
+ }
+ DC390_write8 (ScsiCmd, INFO_XFER_CMD);
+ }
+ else
+ {
+mop1:
+ printk (KERN_ERR "DC390: OLD Sync Nego code triggered! (%i %i)\n", pDCB->TargetID, pDCB->TargetLUN);
+ DC390_write8 (ScsiFifo, EXTENDED_MESSAGE);
+ DC390_write8 (ScsiFifo, 3); /* ;length of extended msg */
+ DC390_write8 (ScsiFifo, EXTENDED_SDTR); /* ; sync nego */
+ DC390_write8 (ScsiFifo, pDCB->NegoPeriod);
+ if (pDCB->SyncOffset & 0x0f)
+ DC390_write8 (ScsiFifo, pDCB->SyncOffset);
+ else
+ DC390_write8 (ScsiFifo, SYNC_NEGO_OFFSET);
+ pSRB->SRBState |= DO_SYNC_NEGO;
+ DC390_write8 (ScsiCmd, INFO_XFER_CMD);
+ }
+}
+
+static void
+dc390_MsgInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ if( !(pSRB->SRBState & SRB_MSGIN) )
+ {
+ pSRB->SRBState &= ~SRB_DISCONNECT;
+ pSRB->SRBState |= SRB_MSGIN;
+ }
+ DC390_write8 (ScsiCmd, INFO_XFER_CMD);
+ //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+}
+
+static void
+dc390_Nop_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+}
+
+static void
+dc390_Nop_1( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus)
+{
+}
+
+
+static void
+dc390_SetXferRate( struct dc390_acb* pACB, struct dc390_dcb* pDCB )
+{
+ u8 bval, i, cnt;
+ struct dc390_dcb* ptr;
+
+ if( !(pDCB->TargetLUN) )
+ {
+ if( !pACB->scan_devices )
+ {
+ ptr = pACB->pLinkDCB;
+ cnt = pACB->DCBCnt;
+ bval = pDCB->TargetID;
+ for(i=0; i<cnt; i++)
+ {
+ if( ptr->TargetID == bval )
+ {
+ ptr->SyncPeriod = pDCB->SyncPeriod;
+ ptr->SyncOffset = pDCB->SyncOffset;
+ ptr->CtrlR3 = pDCB->CtrlR3;
+ ptr->CtrlR4 = pDCB->CtrlR4;
+ ptr->SyncMode = pDCB->SyncMode;
+ }
+ ptr = ptr->pNextDCB;
+ }
+ }
+ }
+ return;
+}
+
+
+static void
+dc390_Disconnect( struct dc390_acb* pACB )
+{
+ struct dc390_dcb *pDCB;
+ struct dc390_srb *pSRB, *psrb;
+ u8 i, cnt;
+
+ DEBUG0(printk(KERN_INFO "DISC,"));
+
+ if (!pACB->Connected) printk(KERN_ERR "DC390: Disconnect not-connected bus?\n");
+ pACB->Connected = 0;
+ pDCB = pACB->pActiveDCB;
+ if (!pDCB)
+ {
+ DEBUG0(printk(KERN_ERR "ACB:%p->ActiveDCB:%p IOPort:%04x IRQ:%02x !\n",\
+ pACB, pDCB, pACB->IOPortBase, pACB->IRQLevel));
+ mdelay(400);
+ DC390_read8 (INT_Status); /* Reset Pending INT */
+ DC390_write8 (ScsiCmd, EN_SEL_RESEL);
+ return;
+ }
+ DC390_write8 (ScsiCmd, EN_SEL_RESEL);
+ pSRB = pDCB->pActiveSRB;
+ pACB->pActiveDCB = NULL;
+ pSRB->ScsiPhase = SCSI_NOP0;
+ if( pSRB->SRBState & SRB_UNEXPECT_RESEL )
+ pSRB->SRBState = 0;
+ else if( pSRB->SRBState & SRB_ABORT_SENT )
+ {
+ pDCB->TagMask = 0;
+ pDCB->DCBFlag = 0;
+ cnt = pDCB->GoingSRBCnt;
+ pDCB->GoingSRBCnt = 0;
+ pSRB = pDCB->pGoingSRB;
+ for( i=0; i < cnt; i++)
+ {
+ psrb = pSRB->pNextSRB;
+ dc390_Free_insert (pACB, pSRB);
+ pSRB = psrb;
+ }
+ pDCB->pGoingSRB = NULL;
+ }
+ else
+ {
+ if( (pSRB->SRBState & (SRB_START_+SRB_MSGOUT)) ||
+ !(pSRB->SRBState & (SRB_DISCONNECT+SRB_COMPLETED)) )
+ { /* Selection time out */
+ pSRB->TargetStatus = SCSI_STAT_SEL_TIMEOUT;
+ goto disc1;
+ }
+ else if (!(pSRB->SRBState & SRB_DISCONNECT) && (pSRB->SRBState & SRB_COMPLETED))
+ {
+disc1:
+ dc390_freetag (pDCB, pSRB);
+ pDCB->pActiveSRB = NULL;
+ pSRB->SRBState = SRB_FREE;
+ dc390_SRBdone( pACB, pDCB, pSRB);
+ }
+ }
+ pACB->MsgLen = 0;
+}
+
+
+static void
+dc390_Reselect( struct dc390_acb* pACB )
+{
+ struct dc390_dcb* pDCB;
+ struct dc390_srb* pSRB;
+ u8 id, lun;
+
+ DEBUG0(printk(KERN_INFO "RSEL,"));
+ pACB->Connected = 1;
+ pDCB = pACB->pActiveDCB;
+ if( pDCB )
+ { /* Arbitration lost but Reselection won */
+ DEBUG0(printk ("DC390: (ActiveDCB != 0: Arb. lost but resel. won)!\n"));
+ pSRB = pDCB->pActiveSRB;
+ if( !( pACB->scan_devices ) )
+ {
+ struct scsi_cmnd *pcmd = pSRB->pcmd;
+ pcmd->resid = pcmd->request_bufflen;
+ SET_RES_DID(pcmd->result, DID_SOFT_ERROR);
+ dc390_Going_remove(pDCB, pSRB);
+ dc390_Free_insert(pACB, pSRB);
+ pcmd->scsi_done (pcmd);
+ DEBUG0(printk(KERN_DEBUG"DC390: Return SRB %p to free\n", pSRB));
+ }
+ }
+ /* Get ID */
+ lun = DC390_read8 (ScsiFifo);
+ DEBUG0(printk ("Dev %02x,", lun));
+ if (!(lun & (1 << pACB->pScsiHost->this_id)))
+ printk (KERN_ERR "DC390: Reselection must select host adapter: %02x!\n", lun);
+ else
+ lun ^= 1 << pACB->pScsiHost->this_id; /* Mask AdapterID */
+ id = 0; while (lun >>= 1) id++;
+ /* Get LUN */
+ lun = DC390_read8 (ScsiFifo);
+ if (!(lun & IDENTIFY_BASE)) printk (KERN_ERR "DC390: Resel: Expect identify message!\n");
+ lun &= 7;
+ DEBUG0(printk ("(%02i-%i),", id, lun));
+ pDCB = dc390_findDCB (pACB, id, lun);
+ if (!pDCB)
+ {
+ printk (KERN_ERR "DC390: Reselect from non existing device (%02i-%i)\n",
+ id, lun);
+ return;
+ }
+ pACB->pActiveDCB = pDCB;
+ /* TagQ: We expect a message soon, so never mind the exact SRB */
+ if( pDCB->SyncMode & EN_TAG_QUEUEING )
+ {
+ pSRB = pACB->pTmpSRB;
+ pDCB->pActiveSRB = pSRB;
+ }
+ else
+ {
+ pSRB = pDCB->pActiveSRB;
+ if( !pSRB || !(pSRB->SRBState & SRB_DISCONNECT) )
+ {
+ pSRB= pACB->pTmpSRB;
+ pSRB->SRBState = SRB_UNEXPECT_RESEL;
+ printk (KERN_ERR "DC390: Reselect without outstanding cmnd (%02i-%i)\n",
+ id, lun);
+ pDCB->pActiveSRB = pSRB;
+ dc390_EnableMsgOut_Abort ( pACB, pSRB );
+ }
+ else
+ {
+ if( pDCB->DCBFlag & ABORT_DEV_ )
+ {
+ pSRB->SRBState = SRB_ABORT_SENT;
+ printk (KERN_INFO "DC390: Reselect: Abort (%02i-%i)\n",
+ id, lun);
+ dc390_EnableMsgOut_Abort( pACB, pSRB );
+ }
+ else
+ pSRB->SRBState = SRB_DATA_XFER;
+ }
+ }
+
+ DEBUG1(printk (KERN_DEBUG "Resel SRB(%p): TagNum (%02x)\n", pSRB, pSRB->TagNumber));
+ pSRB->ScsiPhase = SCSI_NOP0;
+ DC390_write8 (Scsi_Dest_ID, pDCB->TargetID);
+ DC390_write8 (Sync_Period, pDCB->SyncPeriod);
+ DC390_write8 (Sync_Offset, pDCB->SyncOffset);
+ DC390_write8 (CtrlReg1, pDCB->CtrlR1);
+ DC390_write8 (CtrlReg3, pDCB->CtrlR3);
+ DC390_write8 (CtrlReg4, pDCB->CtrlR4); /* ; Glitch eater */
+ DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD); /* ;to release the /ACK signal */
+}
+
+static int __inline__
+dc390_RequestSense(struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
+{
+ struct scsi_cmnd *pcmd;
+
+ pcmd = pSRB->pcmd;
+
+ REMOVABLEDEBUG(printk(KERN_INFO "DC390: RequestSense(Cmd %02x, Id %02x, LUN %02x)\n",\
+ pcmd->cmnd[0], pDCB->TargetID, pDCB->TargetLUN));
+
+ pSRB->SRBFlag |= AUTO_REQSENSE;
+ pSRB->SavedSGCount = pcmd->use_sg;
+ pSRB->SavedTotXLen = pSRB->TotalXferredLen;
+ pSRB->AdaptStatus = 0;
+ pSRB->TargetStatus = 0; /* CHECK_CONDITION<<1; */
+
+ /* We are called from SRBdone, original PCI mapping has been removed
+ * already, new one is set up from StartSCSI */
+ pSRB->SGIndex = 0;
+
+ pSRB->TotalXferredLen = 0;
+ pSRB->SGToBeXferLen = 0;
+ return dc390_StartSCSI(pACB, pDCB, pSRB);
+}
+
+
+static void
+dc390_SRBdone( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB )
+{
+ u8 status;
+ struct scsi_cmnd *pcmd;
+
+ pcmd = pSRB->pcmd;
+ /* KG: Moved pci_unmap here */
+ dc390_pci_unmap(pSRB);
+
+ status = pSRB->TargetStatus;
+
+ DEBUG0(printk (" SRBdone (%02x,%08x), SRB %p, pid %li\n", status, pcmd->result,\
+ pSRB, pcmd->pid));
+ if(pSRB->SRBFlag & AUTO_REQSENSE)
+ { /* Last command was a Request Sense */
+ pSRB->SRBFlag &= ~AUTO_REQSENSE;
+ pSRB->AdaptStatus = 0;
+ pSRB->TargetStatus = CHECK_CONDITION << 1;
+
+ //pcmd->result = MK_RES(DRIVER_SENSE,DID_OK,0,status);
+ if (status == (CHECK_CONDITION << 1))
+ pcmd->result = MK_RES_LNX(0, DID_BAD_TARGET, 0, /*CHECK_CONDITION*/0);
+ else /* Retry */
+ {
+ if( pSRB->pcmd->cmnd[0] == TEST_UNIT_READY /* || pSRB->pcmd->cmnd[0] == START_STOP */)
+ {
+ /* Don't retry on TEST_UNIT_READY */
+ pcmd->result = MK_RES_LNX(DRIVER_SENSE,DID_OK,0,CHECK_CONDITION);
+ REMOVABLEDEBUG(printk(KERN_INFO "Cmd=%02x, Result=%08x, XferL=%08x\n",pSRB->pcmd->cmnd[0],\
+ (u32) pcmd->result, (u32) pSRB->TotalXferredLen));
+ } else {
+ SET_RES_DRV(pcmd->result, DRIVER_SENSE);
+ pcmd->use_sg = pSRB->SavedSGCount;
+ //pSRB->ScsiCmdLen = (u8) (pSRB->Segment1[0] >> 8);
+ DEBUG0 (printk ("DC390: RETRY pid %li (%02x), target %02i-%02i\n", pcmd->pid, pcmd->cmnd[0], pcmd->device->id, pcmd->device->lun));
+ pSRB->TotalXferredLen = 0;
+ SET_RES_DID(pcmd->result, DID_SOFT_ERROR);
+ }
+ }
+ goto cmd_done;
+ }
+ if( status )
+ {
+ if( status_byte(status) == CHECK_CONDITION )
+ {
+ if (dc390_RequestSense(pACB, pDCB, pSRB)) {
+ SET_RES_DID(pcmd->result, DID_ERROR);
+ goto cmd_done;
+ }
+ return;
+ }
+ else if( status_byte(status) == QUEUE_FULL )
+ {
+ scsi_track_queue_full(pcmd->device, pDCB->GoingSRBCnt - 1);
+ pcmd->use_sg = pSRB->SavedSGCount;
+ DEBUG0 (printk ("DC390: RETRY pid %li (%02x), target %02i-%02i\n", pcmd->pid, pcmd->cmnd[0], pcmd->device->id, pcmd->device->lun));
+ pSRB->TotalXferredLen = 0;
+ SET_RES_DID(pcmd->result, DID_SOFT_ERROR);
+ }
+ else if(status == SCSI_STAT_SEL_TIMEOUT)
+ {
+ pSRB->AdaptStatus = H_SEL_TIMEOUT;
+ pSRB->TargetStatus = 0;
+ pcmd->result = MK_RES(0,DID_NO_CONNECT,0,0);
+ /* Devices are removed below ... */
+ }
+ else if (status_byte(status) == BUSY &&
+ (pcmd->cmnd[0] == TEST_UNIT_READY || pcmd->cmnd[0] == INQUIRY) &&
+ pACB->scan_devices)
+ {
+ pSRB->AdaptStatus = 0;
+ pSRB->TargetStatus = status;
+ pcmd->result = MK_RES(0,0,pSRB->EndMessage,/*status*/0);
+ }
+ else
+ { /* Another error */
+ pSRB->TotalXferredLen = 0;
+ SET_RES_DID(pcmd->result, DID_SOFT_ERROR);
+ goto cmd_done;
+ }
+ }
+ else
+ { /* Target status == 0 */
+ status = pSRB->AdaptStatus;
+ if(status & H_OVER_UNDER_RUN)
+ {
+ pSRB->TargetStatus = 0;
+ SET_RES_DID(pcmd->result,DID_OK);
+ SET_RES_MSG(pcmd->result,pSRB->EndMessage);
+ }
+ else if( pSRB->SRBStatus & PARITY_ERROR)
+ {
+ //pcmd->result = MK_RES(0,DID_PARITY,pSRB->EndMessage,0);
+ SET_RES_DID(pcmd->result,DID_PARITY);
+ SET_RES_MSG(pcmd->result,pSRB->EndMessage);
+ }
+ else /* No error */
+ {
+ pSRB->AdaptStatus = 0;
+ pSRB->TargetStatus = 0;
+ SET_RES_DID(pcmd->result,DID_OK);
+ }
+ }
+
+cmd_done:
+ pcmd->resid = pcmd->request_bufflen - pSRB->TotalXferredLen;
+
+ dc390_Going_remove (pDCB, pSRB);
+ /* Add to free list */
+ dc390_Free_insert (pACB, pSRB);
+
+ DEBUG0(printk (KERN_DEBUG "DC390: SRBdone: done pid %li\n", pcmd->pid));
+ pcmd->scsi_done (pcmd);
+
+ return;
+}
+
+
+/* Remove all SRBs from Going list and inform midlevel */
+static void
+dc390_DoingSRB_Done(struct dc390_acb* pACB, struct scsi_cmnd *cmd)
+{
+ struct dc390_dcb *pDCB, *pdcb;
+ struct dc390_srb *psrb, *psrb2;
+ int i;
+ struct scsi_cmnd *pcmd;
+
+ pDCB = pACB->pLinkDCB;
+ pdcb = pDCB;
+ if (! pdcb) return;
+ do
+ {
+ psrb = pdcb->pGoingSRB;
+ for (i = 0; i < pdcb->GoingSRBCnt; i++)
+ {
+ psrb2 = psrb->pNextSRB;
+ pcmd = psrb->pcmd;
+ dc390_Free_insert (pACB, psrb);
+ psrb = psrb2;
+ }
+ pdcb->GoingSRBCnt = 0;
+ pdcb->pGoingSRB = NULL;
+ pdcb->TagMask = 0;
+ pdcb = pdcb->pNextDCB;
+ } while( pdcb != pDCB );
+}
+
+
+static void
+dc390_ResetSCSIBus( struct dc390_acb* pACB )
+{
+ //DC390_write8 (ScsiCmd, RST_DEVICE_CMD);
+ //udelay (250);
+ //DC390_write8 (ScsiCmd, NOP_CMD);
+
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+ DC390_write8 (ScsiCmd, RST_SCSI_BUS_CMD);
+ pACB->Connected = 0;
+
+ return;
+}
+
+static void
+dc390_ScsiRstDetect( struct dc390_acb* pACB )
+{
+ printk ("DC390: Rst_Detect: laststat = %08x\n", dc390_laststatus);
+ //DEBUG0(printk(KERN_INFO "RST_DETECT,"));
+
+ DC390_write8 (DMA_Cmd, DMA_IDLE_CMD);
+ /* Unlock before ? */
+ /* delay half a second */
+ udelay (1000);
+ DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD);
+ pACB->pScsiHost->last_reset = jiffies + 5*HZ/2
+ + HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY];
+ pACB->Connected = 0;
+
+ if( pACB->ACBFlag & RESET_DEV )
+ pACB->ACBFlag |= RESET_DONE;
+ else
+ { /* Reset was issued by sb else */
+ pACB->ACBFlag |= RESET_DETECT;
+
+ dc390_ResetDevParam( pACB );
+ dc390_DoingSRB_Done( pACB, NULL);
+ //dc390_RecoverSRB( pACB );
+ pACB->pActiveDCB = NULL;
+ pACB->ACBFlag = 0;
+ }
+ return;
+}
+
+static int DC390_queuecommand(struct scsi_cmnd *cmd,
+ void (*done)(struct scsi_cmnd *))
+{
+ struct scsi_device *sdev = cmd->device;
+ struct dc390_acb *acb = (struct dc390_acb *)sdev->host->hostdata;
+ struct dc390_dcb *dcb = sdev->hostdata;
+ struct dc390_srb *srb;
+
+ if (sdev->queue_depth <= dcb->GoingSRBCnt)
+ goto device_busy;
+ if (acb->pActiveDCB)
+ goto host_busy;
+ if (acb->ACBFlag & (RESET_DETECT|RESET_DONE|RESET_DEV))
+ goto host_busy;
+
+ srb = acb->pFreeSRB;
+ if (unlikely(srb == NULL))
+ goto host_busy;
+
+ cmd->scsi_done = done;
+ cmd->result = 0;
+ acb->Cmds++;
+
+ acb->pFreeSRB = srb->pNextSRB;
+ srb->pNextSRB = NULL;
+
+ srb->pSRBDCB = dcb;
+ srb->pcmd = cmd;
+ cmd->host_scribble = (char *)srb;
+
+ srb->SGIndex = 0;
+ srb->AdaptStatus = 0;
+ srb->TargetStatus = 0;
+ srb->MsgCnt = 0;
+
+ srb->SRBStatus = 0;
+ srb->SRBFlag = 0;
+ srb->SRBState = 0;
+ srb->TotalXferredLen = 0;
+ srb->SGBusAddr = 0;
+ srb->SGToBeXferLen = 0;
+ srb->ScsiPhase = 0;
+ srb->EndMessage = 0;
+ srb->TagNumber = SCSI_NO_TAG;
+
+ if (dc390_StartSCSI(acb, dcb, srb)) {
+ dc390_Free_insert(acb, srb);
+ goto host_busy;
+ }
+
+ dc390_Going_append(dcb, srb);
+
+ return 0;
+
+ host_busy:
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ device_busy:
+ return SCSI_MLQUEUE_DEVICE_BUSY;
+}
+
+static void dc390_dumpinfo (struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_srb* pSRB)
+{
+ struct pci_dev *pdev;
+ u16 pstat;
+
+ if (!pDCB) pDCB = pACB->pActiveDCB;
+ if (!pSRB && pDCB) pSRB = pDCB->pActiveSRB;
+
+ if (pSRB)
+ {
+ printk ("DC390: SRB: Xferred %08lx, Remain %08lx, State %08x, Phase %02x\n",
+ pSRB->TotalXferredLen, pSRB->SGToBeXferLen, pSRB->SRBState,
+ pSRB->ScsiPhase);
+ printk ("DC390: AdpaterStatus: %02x, SRB Status %02x\n", pSRB->AdaptStatus, pSRB->SRBStatus);
+ }
+ printk ("DC390: Status of last IRQ (DMA/SC/Int/IRQ): %08x\n", dc390_laststatus);
+ printk ("DC390: Register dump: SCSI block:\n");
+ printk ("DC390: XferCnt Cmd Stat IntS IRQS FFIS Ctl1 Ctl2 Ctl3 Ctl4\n");
+ printk ("DC390: %06x %02x %02x %02x",
+ DC390_read8(CtcReg_Low) + (DC390_read8(CtcReg_Mid) << 8) + (DC390_read8(CtcReg_High) << 16),
+ DC390_read8(ScsiCmd), DC390_read8(Scsi_Status), DC390_read8(Intern_State));
+ printk (" %02x %02x %02x %02x %02x %02x\n",
+ DC390_read8(INT_Status), DC390_read8(Current_Fifo), DC390_read8(CtrlReg1),
+ DC390_read8(CtrlReg2), DC390_read8(CtrlReg3), DC390_read8(CtrlReg4));
+ DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | EN_INT_ON_PCI_ABORT);
+ if (DC390_read8(Current_Fifo) & 0x1f)
+ {
+ printk ("DC390: FIFO:");
+ while (DC390_read8(Current_Fifo) & 0x1f) printk (" %02x", DC390_read8(ScsiFifo));
+ printk ("\n");
+ }
+ printk ("DC390: Register dump: DMA engine:\n");
+ printk ("DC390: Cmd STrCnt SBusA WrkBC WrkAC Stat SBusCtrl\n");
+ printk ("DC390: %02x %08x %08x %08x %08x %02x %08x\n",
+ DC390_read8(DMA_Cmd), DC390_read32(DMA_XferCnt), DC390_read32(DMA_XferAddr),
+ DC390_read32(DMA_Wk_ByteCntr), DC390_read32(DMA_Wk_AddrCntr),
+ DC390_read8(DMA_Status), DC390_read32(DMA_ScsiBusCtrl));
+ DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT);
+
+ pdev = pACB->pdev;
+ pci_read_config_word(pdev, PCI_STATUS, &pstat);
+ printk ("DC390: Register dump: PCI Status: %04x\n", pstat);
+ printk ("DC390: In case of driver trouble read Documentation/scsi/tmscsim.txt\n");
+}
+
+
+static int DC390_abort(struct scsi_cmnd *cmd)
+{
+ struct dc390_acb *pACB = (struct dc390_acb*) cmd->device->host->hostdata;
+ struct dc390_dcb *pDCB = (struct dc390_dcb*) cmd->device->hostdata;
+
+ printk("DC390: Abort command (pid %li, Device %02i-%02i)\n",
+ cmd->pid, cmd->device->id, cmd->device->lun);
+
+ /* abort() is too stupid for already sent commands at the moment.
+ * If it's called we are in trouble anyway, so let's dump some info
+ * into the syslog at least. (KG, 98/08/20,99/06/20) */
+ dc390_dumpinfo(pACB, pDCB, NULL);
+
+ pDCB->DCBFlag |= ABORT_DEV_;
+ printk(KERN_INFO "DC390: Aborted pid %li\n", cmd->pid);
+
+ return FAILED;
+}
+
+
+static void dc390_ResetDevParam( struct dc390_acb* pACB )
+{
+ struct dc390_dcb *pDCB, *pdcb;
+
+ pDCB = pACB->pLinkDCB;
+ if (! pDCB) return;
+ pdcb = pDCB;
+ do
+ {
+ pDCB->SyncMode &= ~SYNC_NEGO_DONE;
+ pDCB->SyncPeriod = 0;
+ pDCB->SyncOffset = 0;
+ pDCB->TagMask = 0;
+ pDCB->CtrlR3 = FAST_CLK;
+ pDCB->CtrlR4 &= NEGATE_REQACKDATA | CTRL4_RESERVED | NEGATE_REQACK;
+ pDCB->CtrlR4 |= pACB->glitch_cfg;
+ pDCB = pDCB->pNextDCB;
+ }
+ while( pdcb != pDCB );
+ pACB->ACBFlag &= ~(RESET_DEV | RESET_DONE | RESET_DETECT);
+
+}
+
+static int DC390_bus_reset (struct scsi_cmnd *cmd)
+{
+ struct dc390_acb* pACB = (struct dc390_acb*) cmd->device->host->hostdata;
+ u8 bval;
+
+ bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST;
+ DC390_write8(CtrlReg1, bval); /* disable IRQ on bus reset */
+
+ pACB->ACBFlag |= RESET_DEV;
+ dc390_ResetSCSIBus(pACB);
+
+ dc390_ResetDevParam(pACB);
+ udelay(1000);
+ pACB->pScsiHost->last_reset = jiffies + 3*HZ/2
+ + HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY];
+
+ DC390_write8(ScsiCmd, CLEAR_FIFO_CMD);
+ DC390_read8(INT_Status); /* Reset Pending INT */
+
+ dc390_DoingSRB_Done(pACB, cmd);
+
+ pACB->pActiveDCB = NULL;
+ pACB->ACBFlag = 0;
+
+ bval = DC390_read8(CtrlReg1) & ~DIS_INT_ON_SCSI_RST;
+ DC390_write8(CtrlReg1, bval); /* re-enable interrupt */
+
+ return SUCCESS;
+}
+
+/**
+ * dc390_slave_alloc - Called by the scsi mid layer to tell us about a new
+ * scsi device that we need to deal with.
+ *
+ * @scsi_device: The new scsi device that we need to handle.
+ */
+static int dc390_slave_alloc(struct scsi_device *scsi_device)
+{
+ struct dc390_acb *pACB = (struct dc390_acb*) scsi_device->host->hostdata;
+ struct dc390_dcb *pDCB, *pDCB2 = NULL;
+ uint id = scsi_device->id;
+ uint lun = scsi_device->lun;
+
+ pDCB = kmalloc(sizeof(struct dc390_dcb), GFP_KERNEL);
+ if (!pDCB)
+ return -ENOMEM;
+ memset(pDCB, 0, sizeof(struct dc390_dcb));
+
+ if (!pACB->DCBCnt++) {
+ pACB->pLinkDCB = pDCB;
+ pACB->pDCBRunRobin = pDCB;
+ } else {
+ pACB->pLastDCB->pNextDCB = pDCB;
+ }
+
+ pDCB->pNextDCB = pACB->pLinkDCB;
+ pACB->pLastDCB = pDCB;
+
+ pDCB->pDCBACB = pACB;
+ pDCB->TargetID = id;
+ pDCB->TargetLUN = lun;
+
+ /*
+ * Some values are for all LUNs: Copy them
+ * In a clean way: We would have an own structure for a SCSI-ID
+ */
+ if (lun && (pDCB2 = dc390_findDCB(pACB, id, 0))) {
+ pDCB->DevMode = pDCB2->DevMode;
+ pDCB->SyncMode = pDCB2->SyncMode & SYNC_NEGO_DONE;
+ pDCB->SyncPeriod = pDCB2->SyncPeriod;
+ pDCB->SyncOffset = pDCB2->SyncOffset;
+ pDCB->NegoPeriod = pDCB2->NegoPeriod;
+
+ pDCB->CtrlR3 = pDCB2->CtrlR3;
+ pDCB->CtrlR4 = pDCB2->CtrlR4;
+ } else {
+ u8 index = pACB->AdapterIndex;
+ PEEprom prom = (PEEprom) &dc390_eepromBuf[index][id << 2];
+
+ pDCB->DevMode = prom->EE_MODE1;
+ pDCB->NegoPeriod =
+ (dc390_clock_period1[prom->EE_SPEED] * 25) >> 2;
+ pDCB->CtrlR3 = FAST_CLK;
+ pDCB->CtrlR4 = pACB->glitch_cfg | CTRL4_RESERVED;
+ if (dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION)
+ pDCB->CtrlR4 |= NEGATE_REQACKDATA | NEGATE_REQACK;
+ }
+
+ if (pDCB->DevMode & SYNC_NEGO_)
+ pDCB->SyncMode |= SYNC_ENABLE;
+ else {
+ pDCB->SyncMode = 0;
+ pDCB->SyncOffset &= ~0x0f;
+ }
+
+ pDCB->CtrlR1 = pACB->pScsiHost->this_id;
+ if (pDCB->DevMode & PARITY_CHK_)
+ pDCB->CtrlR1 |= PARITY_ERR_REPO;
+
+ pACB->scan_devices = 1;
+ scsi_device->hostdata = pDCB;
+ return 0;
+}
+
+/**
+ * dc390_slave_destroy - Called by the scsi mid layer to tell us about a
+ * device that is going away.
+ *
+ * @scsi_device: The scsi device that we need to remove.
+ */
+static void dc390_slave_destroy(struct scsi_device *scsi_device)
+{
+ struct dc390_acb* pACB = (struct dc390_acb*) scsi_device->host->hostdata;
+ struct dc390_dcb* pDCB = (struct dc390_dcb*) scsi_device->hostdata;
+ struct dc390_dcb* pPrevDCB = pACB->pLinkDCB;
+
+ pACB->scan_devices = 0;
+
+ BUG_ON(pDCB->GoingSRBCnt > 1);
+
+ if (pDCB == pACB->pLinkDCB) {
+ if (pACB->pLastDCB == pDCB) {
+ pDCB->pNextDCB = NULL;
+ pACB->pLastDCB = NULL;
+ }
+ pACB->pLinkDCB = pDCB->pNextDCB;
+ } else {
+ while (pPrevDCB->pNextDCB != pDCB)
+ pPrevDCB = pPrevDCB->pNextDCB;
+ pPrevDCB->pNextDCB = pDCB->pNextDCB;
+ if (pDCB == pACB->pLastDCB)
+ pACB->pLastDCB = pPrevDCB;
+ }
+
+ if (pDCB == pACB->pActiveDCB)
+ pACB->pActiveDCB = NULL;
+ if (pDCB == pACB->pLinkDCB)
+ pACB->pLinkDCB = pDCB->pNextDCB;
+ if (pDCB == pACB->pDCBRunRobin)
+ pACB->pDCBRunRobin = pDCB->pNextDCB;
+ kfree(pDCB);
+
+ pACB->DCBCnt--;
+}
+
+static int dc390_slave_configure(struct scsi_device *sdev)
+{
+ struct dc390_acb *acb = (struct dc390_acb *)sdev->host->hostdata;
+ struct dc390_dcb *dcb = (struct dc390_dcb *)sdev->hostdata;
+
+ acb->scan_devices = 0;
+ if (sdev->tagged_supported && (dcb->DevMode & TAG_QUEUEING_)) {
+ dcb->SyncMode |= EN_TAG_QUEUEING;
+ scsi_activate_tcq(sdev, acb->TagMaxNum);
+ }
+
+ return 0;
+}
+
+static struct scsi_host_template driver_template = {
+ .module = THIS_MODULE,
+ .proc_name = "tmscsim",
+ .name = DC390_BANNER " V" DC390_VERSION,
+ .slave_alloc = dc390_slave_alloc,
+ .slave_configure = dc390_slave_configure,
+ .slave_destroy = dc390_slave_destroy,
+ .queuecommand = DC390_queuecommand,
+ .eh_abort_handler = DC390_abort,
+ .eh_bus_reset_handler = DC390_bus_reset,
+ .can_queue = 1,
+ .this_id = 7,
+ .sg_tablesize = SG_ALL,
+ .cmd_per_lun = 1,
+ .use_clustering = DISABLE_CLUSTERING,
+};
+
+/***********************************************************************
+ * Functions for access to DC390 EEPROM
+ * and some to emulate it
+ *
+ **********************************************************************/
+
+static void __devinit dc390_eeprom_prepare_read(struct pci_dev *pdev, u8 cmd)
+{
+ u8 carryFlag = 1, j = 0x80, bval;
+ int i;
+
+ for (i = 0; i < 9; i++) {
+ if (carryFlag) {
+ pci_write_config_byte(pdev, 0x80, 0x40);
+ bval = 0xc0;
+ } else
+ bval = 0x80;
+
+ udelay(160);
+ pci_write_config_byte(pdev, 0x80, bval);
+ udelay(160);
+ pci_write_config_byte(pdev, 0x80, 0);
+ udelay(160);
+
+ carryFlag = (cmd & j) ? 1 : 0;
+ j >>= 1;
+ }
+}
+
+static u16 __devinit dc390_eeprom_get_data(struct pci_dev *pdev)
+{
+ int i;
+ u16 wval = 0;
+ u8 bval;
+
+ for (i = 0; i < 16; i++) {
+ wval <<= 1;
+
+ pci_write_config_byte(pdev, 0x80, 0x80);
+ udelay(160);
+ pci_write_config_byte(pdev, 0x80, 0x40);
+ udelay(160);
+ pci_read_config_byte(pdev, 0x00, &bval);
+
+ if (bval == 0x22)
+ wval |= 1;
+ }
+
+ return wval;
+}
+
+static void __devinit dc390_read_eeprom(struct pci_dev *pdev, u16 *ptr)
+{
+ u8 cmd = EEPROM_READ, i;
+
+ for (i = 0; i < 0x40; i++) {
+ pci_write_config_byte(pdev, 0xc0, 0);
+ udelay(160);
+
+ dc390_eeprom_prepare_read(pdev, cmd++);
+ *ptr++ = dc390_eeprom_get_data(pdev);
+
+ pci_write_config_byte(pdev, 0x80, 0);
+ pci_write_config_byte(pdev, 0x80, 0);
+ udelay(160);
+ }
+}
+
+/* Override EEprom values with explicitly set values */
+static void __devinit dc390_eeprom_override(u8 index)
+{
+ u8 *ptr = (u8 *) dc390_eepromBuf[index], id;
+
+ /* Adapter Settings */
+ if (tmscsim[0] != -2)
+ ptr[EE_ADAPT_SCSI_ID] = (u8)tmscsim[0]; /* Adapter ID */
+ if (tmscsim[3] != -2)
+ ptr[EE_MODE2] = (u8)tmscsim[3];
+ if (tmscsim[5] != -2)
+ ptr[EE_DELAY] = tmscsim[5]; /* Reset delay */
+ if (tmscsim[4] != -2)
+ ptr[EE_TAG_CMD_NUM] = (u8)tmscsim[4]; /* Tagged Cmds */
+
+ /* Device Settings */
+ for (id = 0; id < MAX_SCSI_ID; id++) {
+ if (tmscsim[2] != -2)
+ ptr[id << 2] = (u8)tmscsim[2]; /* EE_MODE1 */
+ if (tmscsim[1] != -2)
+ ptr[(id << 2) + 1] = (u8)tmscsim[1]; /* EE_Speed */
+ }
+}
+
+static int __devinitdata tmscsim_def[] = {
+ 7,
+ 0 /* 10MHz */,
+ PARITY_CHK_ | SEND_START_ | EN_DISCONNECT_ | SYNC_NEGO_ | TAG_QUEUEING_,
+ MORE2_DRV | GREATER_1G | RST_SCSI_BUS | ACTIVE_NEGATION | LUN_CHECK,
+ 3 /* 16 Tags per LUN */,
+ 1 /* s delay after Reset */,
+};
+
+/* Copy defaults over set values where missing */
+static void __devinit dc390_fill_with_defaults (void)
+{
+ int i;
+
+ for (i = 0; i < 6; i++) {
+ if (tmscsim[i] < 0 || tmscsim[i] > 255)
+ tmscsim[i] = tmscsim_def[i];
+ }
+
+ /* Sanity checks */
+ if (tmscsim[0] > 7)
+ tmscsim[0] = 7;
+ if (tmscsim[1] > 7)
+ tmscsim[1] = 4;
+ if (tmscsim[4] > 5)
+ tmscsim[4] = 4;
+ if (tmscsim[5] > 180)
+ tmscsim[5] = 180;
+}
+
+static void __devinit dc390_check_eeprom(struct pci_dev *pdev, u8 index)
+{
+ u8 interpd[] = {1, 3, 5, 10, 16, 30, 60, 120};
+ u8 EEbuf[128];
+ u16 *ptr = (u16 *)EEbuf, wval = 0;
+ int i;
+
+ dc390_read_eeprom(pdev, ptr);
+ memcpy(dc390_eepromBuf[index], EEbuf, EE_ADAPT_SCSI_ID);
+ memcpy(&dc390_eepromBuf[index][EE_ADAPT_SCSI_ID],
+ &EEbuf[REAL_EE_ADAPT_SCSI_ID], EE_LEN - EE_ADAPT_SCSI_ID);
+
+ dc390_eepromBuf[index][EE_DELAY] = interpd[dc390_eepromBuf[index][EE_DELAY]];
+
+ for (i = 0; i < 0x40; i++, ptr++)
+ wval += *ptr;
+
+ /* no Tekram EEprom found */
+ if (wval != 0x1234) {
+ int speed;
+
+ printk(KERN_INFO "DC390_init: No EEPROM found! Trying default settings ...\n");
+
+ /*
+ * XXX(hch): bogus, because we might have tekram and
+ * non-tekram hbas in a single machine.
+ */
+ dc390_fill_with_defaults();
+
+ speed = dc390_clock_speed[tmscsim[1]];
+ printk(KERN_INFO "DC390: Used defaults: AdaptID=%i, SpeedIdx=%i (%i.%i MHz), "
+ "DevMode=0x%02x, AdaptMode=0x%02x, TaggedCmnds=%i (%i), DelayReset=%is\n",
+ tmscsim[0], tmscsim[1], speed / 10, speed % 10,
+ (u8)tmscsim[2], (u8)tmscsim[3], tmscsim[4], 2 << (tmscsim[4]), tmscsim[5]);
+ }
+}
+
+static void __devinit dc390_init_hw(struct dc390_acb *pACB, u8 index)
+{
+ struct Scsi_Host *shost = pACB->pScsiHost;
+ u8 dstate;
+
+ /* Disable SCSI bus reset interrupt */
+ DC390_write8(CtrlReg1, DIS_INT_ON_SCSI_RST | shost->this_id);
+
+ if (pACB->Gmode2 & RST_SCSI_BUS) {
+ dc390_ResetSCSIBus(pACB);
+ udelay(1000);
+ shost->last_reset = jiffies + HZ/2 +
+ HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY];
+ }
+
+ pACB->ACBFlag = 0;
+
+ /* Reset Pending INT */
+ DC390_read8(INT_Status);
+
+ /* 250ms selection timeout */
+ DC390_write8(Scsi_TimeOut, SEL_TIMEOUT);
+
+ /* Conversion factor = 0 , 40MHz clock */
+ DC390_write8(Clk_Factor, CLK_FREQ_40MHZ);
+
+ /* NOP cmd - clear command register */
+ DC390_write8(ScsiCmd, NOP_CMD);
+
+ /* Enable Feature and SCSI-2 */
+ DC390_write8(CtrlReg2, EN_FEATURE+EN_SCSI2_CMD);
+
+ /* Fast clock */
+ DC390_write8(CtrlReg3, FAST_CLK);
+
+ /* Negation */
+ DC390_write8(CtrlReg4, pACB->glitch_cfg | /* glitch eater */
+ (dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION) ?
+ NEGATE_REQACKDATA : 0);
+
+ /* Clear Transfer Count High: ID */
+ DC390_write8(CtcReg_High, 0);
+ DC390_write8(DMA_Cmd, DMA_IDLE_CMD);
+ DC390_write8(ScsiCmd, CLEAR_FIFO_CMD);
+ DC390_write32(DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT);
+
+ dstate = DC390_read8(DMA_Status);
+ DC390_write8(DMA_Status, dstate);
+}
+
+static int __devinit dc390_probe_one(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ struct dc390_acb *pACB;
+ struct Scsi_Host *shost;
+ unsigned long io_port;
+ int error = -ENODEV, i;
+
+ if (pci_enable_device(pdev))
+ goto out;
+
+ pci_set_master(pdev);
+
+ error = -ENOMEM;
+ shost = scsi_host_alloc(&driver_template, sizeof(struct dc390_acb));
+ if (!shost)
+ goto out_disable_device;
+
+ pACB = (struct dc390_acb *)shost->hostdata;
+ memset(pACB, 0, sizeof(struct dc390_acb));
+
+ dc390_check_eeprom(pdev, dc390_adapterCnt);
+ dc390_eeprom_override(dc390_adapterCnt);
+
+ io_port = pci_resource_start(pdev, 0);
+
+ shost->this_id = dc390_eepromBuf[dc390_adapterCnt][EE_ADAPT_SCSI_ID];
+ shost->io_port = io_port;
+ shost->n_io_port = 0x80;
+ shost->irq = pdev->irq;
+ shost->base = io_port;
+ shost->unique_id = io_port;
+ shost->last_reset = jiffies;
+
+ pACB->pScsiHost = shost;
+ pACB->IOPortBase = (u16) io_port;
+ pACB->IRQLevel = pdev->irq;
+
+ shost->max_id = 8;
+
+ if (shost->max_id - 1 ==
+ dc390_eepromBuf[dc390_adapterCnt][EE_ADAPT_SCSI_ID])
+ shost->max_id--;
+
+ if (dc390_eepromBuf[dc390_adapterCnt][EE_MODE2] & LUN_CHECK)
+ shost->max_lun = 8;
+ else
+ shost->max_lun = 1;
+
+ pACB->pFreeSRB = pACB->SRB_array;
+ pACB->SRBCount = MAX_SRB_CNT;
+ pACB->AdapterIndex = dc390_adapterCnt;
+ pACB->TagMaxNum =
+ 2 << dc390_eepromBuf[dc390_adapterCnt][EE_TAG_CMD_NUM];
+ pACB->Gmode2 = dc390_eepromBuf[dc390_adapterCnt][EE_MODE2];
+
+ for (i = 0; i < pACB->SRBCount-1; i++)
+ pACB->SRB_array[i].pNextSRB = &pACB->SRB_array[i+1];
+ pACB->SRB_array[pACB->SRBCount-1].pNextSRB = NULL;
+ pACB->pTmpSRB = &pACB->TmpSRB;
+
+ pACB->sel_timeout = SEL_TIMEOUT;
+ pACB->glitch_cfg = EATER_25NS;
+ pACB->pdev = pdev;
+
+ if (!request_region(io_port, shost->n_io_port, "tmscsim")) {
+ printk(KERN_ERR "DC390: register IO ports error!\n");
+ goto out_host_put;
+ }
+
+ /* Reset Pending INT */
+ DC390_read8_(INT_Status, io_port);
+
+ if (request_irq(pdev->irq, do_DC390_Interrupt, SA_SHIRQ,
+ "tmscsim", pACB)) {
+ printk(KERN_ERR "DC390: register IRQ error!\n");
+ goto out_release_region;
+ }
+
+ dc390_init_hw(pACB, dc390_adapterCnt);
+
+ dc390_adapterCnt++;
+
+ pci_set_drvdata(pdev, shost);
+
+ error = scsi_add_host(shost, &pdev->dev);
+ if (error)
+ goto out_free_irq;
+ scsi_scan_host(shost);
+ return 0;
+
+ out_free_irq:
+ free_irq(pdev->irq, pACB);
+ out_release_region:
+ release_region(io_port, shost->n_io_port);
+ out_host_put:
+ scsi_host_put(shost);
+ out_disable_device:
+ pci_disable_device(pdev);
+ out:
+ return error;
+}
+
+/**
+ * dc390_remove_one - Called to remove a single instance of the adapter.
+ *
+ * @dev: The PCI device to remove.
+ */
+static void __devexit dc390_remove_one(struct pci_dev *dev)
+{
+ struct Scsi_Host *scsi_host = pci_get_drvdata(dev);
+ unsigned long iflags;
+ struct dc390_acb* pACB = (struct dc390_acb*) scsi_host->hostdata;
+ u8 bval;
+
+ scsi_remove_host(scsi_host);
+
+ spin_lock_irqsave(scsi_host->host_lock, iflags);
+ pACB->ACBFlag = RESET_DEV;
+ bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST;
+ DC390_write8 (CtrlReg1, bval); /* disable interrupt */
+ if (pACB->Gmode2 & RST_SCSI_BUS)
+ dc390_ResetSCSIBus(pACB);
+ spin_unlock_irqrestore(scsi_host->host_lock, iflags);
+
+ free_irq(scsi_host->irq, pACB);
+ release_region(scsi_host->io_port, scsi_host->n_io_port);
+
+ pci_disable_device(dev);
+ scsi_host_put(scsi_host);
+ pci_set_drvdata(dev, NULL);
+}
+
+static struct pci_device_id tmscsim_pci_tbl[] = {
+ { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD53C974,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(pci, tmscsim_pci_tbl);
+
+static struct pci_driver dc390_driver = {
+ .name = "tmscsim",
+ .id_table = tmscsim_pci_tbl,
+ .probe = dc390_probe_one,
+ .remove = __devexit_p(dc390_remove_one),
+};
+
+static int __init dc390_module_init(void)
+{
+ if (tmscsim[0] == -1 || tmscsim[0] > 15) {
+ tmscsim[0] = 7;
+ tmscsim[1] = 4;
+ tmscsim[2] = PARITY_CHK_ | TAG_QUEUEING_;
+ tmscsim[3] = MORE2_DRV | GREATER_1G | RST_SCSI_BUS | ACTIVE_NEGATION;
+ tmscsim[4] = 2;
+ tmscsim[5] = 10;
+ printk (KERN_INFO "DC390: Using safe settings.\n");
+ }
+
+ return pci_module_init(&dc390_driver);
+}
+
+static void __exit dc390_module_exit(void)
+{
+ pci_unregister_driver(&dc390_driver);
+}
+
+module_init(dc390_module_init);
+module_exit(dc390_module_exit);
+
+#ifndef MODULE
+static int __init dc390_setup (char *str)
+{
+ int ints[8],i, im;
+
+ get_options(str, ARRAY_SIZE(ints), ints);
+ im = ints[0];
+
+ if (im > 6) {
+ printk (KERN_NOTICE "DC390: ignore extra params!\n");
+ im = 6;
+ }
+
+ for (i = 0; i < im; i++)
+ tmscsim[i] = ints[i+1];
+ /* dc390_checkparams (); */
+ return 1;
+}
+
+__setup("tmscsim=", dc390_setup);
+#endif