patch-2.4.23 linux-2.4.23/drivers/scsi/pcmcia/nsp_cs.h

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diff -urN linux-2.4.22/drivers/scsi/pcmcia/nsp_cs.h linux-2.4.23/drivers/scsi/pcmcia/nsp_cs.h
@@ -10,13 +10,13 @@
 
 =========================================================*/
 
-/* $Id: nsp_cs.h,v 1.27 2001/09/10 10:31:13 elca Exp $ */
+/* $Id: nsp_cs.h,v 1.20 2003/09/24 10:38:18 elca Exp $ */
 
 #ifndef  __nsp_cs__
 #define  __nsp_cs__
 
 /* for debugging */
-/*#define PCMCIA_DEBUG 9*/
+//#define NSP_DEBUG 9
 
 /*
 #define static
@@ -26,64 +26,83 @@
 /************************************
  * Some useful macros...
  */
-#define Number(arr) ((int) (sizeof(arr) / sizeof(arr[0])))
-#define BIT(x)      (1<<(x))
+#define NUMBER(arr) ((int) (sizeof(arr) / sizeof(arr[0]))) /* from XtNumber() in /usr/X11R6/include/X11/Intrinsic.h */
+#define BIT(x)      (1L << (x))
 #define MIN(a,b)    ((a) > (b) ? (b) : (a))
 
-/* SCSI initiator must be 7 */
-#define SCSI_INITIATOR_ID  7
+/* SCSI initiator must be ID 7 */
+#define NSP_INITIATOR_ID  7
 
 #define NSP_SELTIMEOUT 200
 
-/* base register */
-#define	IRQCONTROL	0x00
+/***************************************************************************
+ * register definitions
+ ***************************************************************************/
+/*========================================================================
+ * base register
+ ========================================================================*/
+#define	IRQCONTROL	0x00  /* R */
 #  define IRQCONTROL_RESELECT_CLEAR     BIT(0)
 #  define IRQCONTROL_PHASE_CHANGE_CLEAR BIT(1)
 #  define IRQCONTROL_TIMER_CLEAR        BIT(2)
 #  define IRQCONTROL_FIFO_CLEAR         BIT(3)
-#  define IRQCONTROL_ALLMASK            0xff
-#  define IRQCONTROL_ALLCLEAR           0x0f
-#  define IRQCONTROL_IRQDISABLE         0xf0
+#  define IRQCONTROL_SCSI_IRQ_MASK      BIT(4)
+#  define IRQCONTROL_EXT_IRQ_MASK       BIT(5)
+#  define IRQCONTROL_TIMER_IRQ_MASK     BIT(6)
+#  define IRQCONTROL_FIFO_IRQ_MASK      BIT(7)
+#  define IRQCONTROL_ALL_MASK           (IRQCONTROL_SCSI_IRQ_MASK  | \
+                                         IRQCONTROL_EXT_IRQ_MASK   | \
+                                         IRQCONTROL_TIMER_IRQ_MASK | \
+                                         IRQCONTROL_FIFO_IRQ_MASK  )
+#  define IRQCONTROL_ALL_CLEAR          (IRQCONTROL_RESELECT_CLEAR     | \
+					 IRQCONTROL_PHASE_CHANGE_CLEAR | \
+					 IRQCONTROL_TIMER_CLEAR        | \
+					 IRQCONTROL_FIFO_CLEAR         )
+#  define IRQCONTROL_ALL_CLEAR_AND_MASK  (IRQCONTROL_ALL_MASK | \
+                                          IRQCONTROL_ALL_CLEAR)
 
-#define	IRQSTATUS	0x00
+#define	IRQSTATUS	0x00  /* W */
 #  define IRQSTATUS_SCSI  BIT(0)
 #  define IRQSTATUS_TIMER BIT(2)
 #  define IRQSTATUS_FIFO  BIT(3)
 #  define IRQSTATUS_MASK  0x0f
 
-#define	IFSELECT	0x01
+#define	IFSELECT	0x01 /* W */
 #  define IF_IFSEL    BIT(0)
 #  define IF_REGSEL   BIT(2)
 
-#define	FIFOSTATUS	0x01
-#  define FIFOSTATUS_CHIP_REVISION 0x0f
-#  define FIFOSTATUS_CHIP_ID       0x70
-#  define FIFOSTATUS_FULL_EMPTY    0x80
-
-#define	INDEXREG	0x02
-#define	DATAREG		0x03
-#define	FIFODATA	0x04
-#define	FIFODATA1	0x05
-#define	FIFODATA2	0x06
-#define	FIFODATA3	0x07
+#define	FIFOSTATUS	0x01 /* R */
+#  define FIFOSTATUS_CHIP_REVISION_MASK 0x0f
+#  define FIFOSTATUS_CHIP_ID_MASK       0x70
+#  define FIFOSTATUS_FULL_EMPTY         BIT(7)
+
+#define	INDEXREG	0x02 /* R/W */
+#define	DATAREG		0x03 /* R/W */
+#define	FIFODATA	0x04 /* R/W */
+#define	FIFODATA1	0x05 /* R/W */
+#define	FIFODATA2	0x06 /* R/W */
+#define	FIFODATA3	0x07 /* R/W */
+
+/*====================================================================
+ * indexed register
+ ====================================================================*/
+#define EXTBUSCTRL	0x10 /* R/W,deleted */
 
-/* indexed register */
-#define EXTBUSCTRL	0x10
-
-#define CLOCKDIV	0x11
+#define CLOCKDIV	0x11 /* R/W */
 #  define CLOCK_40M 0x02
 #  define CLOCK_20M 0x01
+#  define FAST_20   BIT(2)
 
-#define TERMPWRCTRL	0x13
+#define TERMPWRCTRL	0x13 /* R/W */
 #  define POWER_ON BIT(0)
 
-#define SCSIIRQMODE	0x15
+#define SCSIIRQMODE	0x15 /* R/W */
 #  define SCSI_PHASE_CHANGE_EI BIT(0)
 #  define RESELECT_EI          BIT(4)
 #  define FIFO_IRQ_EI          BIT(5)
 #  define SCSI_RESET_IRQ_EI    BIT(6)
 
-#define IRQPHASESENCE	0x16
+#define IRQPHASESENCE	0x16 /* R */
 #  define LATCHED_MSG      BIT(0)
 #  define LATCHED_IO       BIT(1)
 #  define LATCHED_CD       BIT(2)
@@ -93,9 +112,9 @@
 #  define FIFO_IRQ         BIT(6)
 #  define SCSI_RESET_IRQ   BIT(7)
 
-#define TIMERCOUNT	0x17
+#define TIMERCOUNT	0x17 /* R/W */
 
-#define SCSIBUSCTRL	0x18
+#define SCSIBUSCTRL	0x18 /* R/W */
 #  define SCSI_SEL         BIT(0)
 #  define SCSI_RST         BIT(1)
 #  define SCSI_DATAOUT_ENB BIT(2)
@@ -105,13 +124,13 @@
 #  define AUTODIRECTION    BIT(6)
 #  define ACKENB           BIT(7)
 
-#define SCSIBUSMON	0x19
+#define SCSIBUSMON	0x19 /* R */
 
-#define SETARBIT	0x1A
+#define SETARBIT	0x1A /* W */
 #  define ARBIT_GO         BIT(0)
 #  define ARBIT_FLAG_CLEAR BIT(1)
 
-#define ARBITSTATUS	0x1A
+#define ARBITSTATUS	0x1A /* R */
 /*#  define ARBIT_GO        BIT(0)*/
 #  define ARBIT_WIN        BIT(1)
 #  define ARBIT_FAIL       BIT(2)
@@ -124,90 +143,110 @@
 #  define CLEAR_COMMAND_POINTER BIT(0)
 #  define AUTO_COMMAND_GO       BIT(1)
 
-#define RESELECTID	0x1C  /* R */
-#define COMMANDDATA	0x1D
+#define RESELECTID	0x1C  /* R   */
+#define COMMANDDATA	0x1D  /* R/W */
 
-#define POINTERCLR	0x1E  /* W */
+#define POINTERCLR	0x1E  /*   W */
 #  define POINTER_CLEAR      BIT(0)
 #  define ACK_COUNTER_CLEAR  BIT(1)
 #  define REQ_COUNTER_CLEAR  BIT(2)
 #  define HOST_COUNTER_CLEAR BIT(3)
-#  define READ_SOURCE        0x30
-
-#define TRANSFERCOUNT	0x1E  /* R */
-
-#define TRANSFERMODE	0x20
-#   define MODE_MEM8   BIT(0)
-#   define MODE_MEM32  BIT(1)
-#   define MODE_ADR24  BIT(2)
-#   define MODE_ADR32  BIT(3)
-#   define MODE_IO8    BIT(4)
-#   define MODE_IO32   BIT(5)
-#   define TRANSFER_GO BIT(6)
-#   define BRAIND      BIT(7)
+#  define READ_SOURCE        (BIT(4) | BIT(5))
+#    define ACK_COUNTER        (0)
+#    define REQ_COUNTER        (BIT(4))
+#    define HOST_COUNTER       (BIT(5))
+
+#define TRANSFERCOUNT	0x1E  /* R   */
+
+#define TRANSFERMODE	0x20  /* R/W */
+#  define MODE_MEM8   BIT(0)
+#  define MODE_MEM32  BIT(1)
+#  define MODE_ADR24  BIT(2)
+#  define MODE_ADR32  BIT(3)
+#  define MODE_IO8    BIT(4)
+#  define MODE_IO32   BIT(5)
+#  define TRANSFER_GO BIT(6)
+#  define BRAIND      BIT(7)
 
-#define SYNCREG		0x21
+#define SYNCREG		0x21 /* R/W */
 #  define SYNCREG_OFFSET_MASK  0x0f
 #  define SYNCREG_PERIOD_MASK  0xf0
 #  define SYNCREG_PERIOD_SHIFT 4
 
-#define SCSIDATALATCH	0x22
-#define SCSIDATAIN	0x22
-#define SCSIDATAWITHACK	0x23
-#define SCAMCONTROL	0x24
-#define SCAMSTATUS	0x24
-#define SCAMDATA	0x25
+#define SCSIDATALATCH	0x22 /*   W */
+#define SCSIDATAIN	0x22 /* R   */
+#define SCSIDATAWITHACK	0x23 /* R/W */
+#define SCAMCONTROL	0x24 /*   W */
+#define SCAMSTATUS	0x24 /* R   */
+#define SCAMDATA	0x25 /* R/W */
 
-#define OTHERCONTROL	0x26
+#define OTHERCONTROL	0x26 /* R/W */
 #  define TPL_ROM_WRITE_EN BIT(0)
 #  define TPWR_OUT         BIT(1)
 #  define TPWR_SENSE       BIT(2)
 #  define RA8_CONTROL      BIT(3)
 
-#define ACKWIDTH	0x27
-#define CLRTESTPNT	0x28
-#define ACKCNTLD	0x29
-#define REQCNTLD	0x2A
-#define HSTCNTLD	0x2B
-#define CHECKSUM	0x2C
+#define ACKWIDTH	0x27 /* R/W */
+#define CLRTESTPNT	0x28 /*   W */
+#define ACKCNTLD	0x29 /*   W */
+#define REQCNTLD	0x2A /*   W */
+#define HSTCNTLD	0x2B /*   W */
+#define CHECKSUM	0x2C /* R/W */
 
-/*
+/************************************************************************
  * Input status bit definitions.
- */
-#define S_ATN		0x80	/**/
-#define S_SELECT	0x40	/**/
-#define S_REQUEST	0x20    /* Request line from SCSI bus*/
-#define S_ACK		0x10    /* Acknowlege line from SCSI bus*/
-#define S_BUSY		0x08    /* Busy line from SCSI bus*/
-#define S_CD		0x04    /* Command/Data line from SCSI bus*/
-#define S_IO		0x02    /* Input/Output line from SCSI bus*/
-#define S_MESSAGE	0x01    /* Message line from SCSI bus*/
+ ************************************************************************/
+#define S_MESSAGE	BIT(0)    /* Message line from SCSI bus      */
+#define S_IO		BIT(1)    /* Input/Output line from SCSI bus */
+#define S_CD		BIT(2)    /* Command/Data line from SCSI bus */
+#define S_BUSY		BIT(3)    /* Busy line from SCSI bus         */
+#define S_ACK		BIT(4)    /* Acknowlege line from SCSI bus   */
+#define S_REQUEST	BIT(5)    /* Request line from SCSI bus      */
+#define S_SELECT	BIT(6)	  /*                                 */
+#define S_ATN		BIT(7)	  /*                                 */
 
-/*
+/***********************************************************************
  * Useful Bus Monitor status combinations.
- */
+ ***********************************************************************/
 #define BUSMON_SEL         S_SELECT
 #define BUSMON_BSY         S_BUSY
 #define BUSMON_REQ         S_REQUEST
 #define BUSMON_IO          S_IO
 #define BUSMON_ACK         S_ACK
 #define BUSMON_BUS_FREE    0
-#define BUSMON_COMMAND     ( S_BUSY | S_CD | S_REQUEST )
-#define BUSMON_MESSAGE_IN  ( S_BUSY | S_MESSAGE | S_IO | S_CD | S_REQUEST )
-#define BUSMON_MESSAGE_OUT ( S_BUSY | S_MESSAGE | S_CD | S_REQUEST )
-#define BUSMON_DATA_IN     ( S_BUSY | S_IO | S_REQUEST )
-#define BUSMON_DATA_OUT    ( S_BUSY | S_REQUEST )
-#define BUSMON_STATUS      ( S_BUSY | S_IO | S_CD | S_REQUEST )
-#define BUSMON_RESELECT    ( S_SELECT | S_IO )
-#define BUSMON_PHASE_MASK  ( S_SELECT | S_CD | S_MESSAGE | S_IO )
+#define BUSMON_COMMAND     ( S_BUSY | S_CD |                    S_REQUEST )
+#define BUSMON_MESSAGE_IN  ( S_BUSY | S_CD | S_IO | S_MESSAGE | S_REQUEST )
+#define BUSMON_MESSAGE_OUT ( S_BUSY | S_CD |        S_MESSAGE | S_REQUEST )
+#define BUSMON_DATA_IN     ( S_BUSY |        S_IO |             S_REQUEST )
+#define BUSMON_DATA_OUT    ( S_BUSY |                           S_REQUEST )
+#define BUSMON_STATUS      ( S_BUSY | S_CD | S_IO |             S_REQUEST )
+#define BUSMON_SELECT      (                 S_IO |                        S_SELECT )
+#define BUSMON_RESELECT    (                 S_IO |                        S_SELECT )
+#define BUSMON_PHASE_MASK  (          S_CD | S_IO | S_MESSAGE |            S_SELECT )
 
+#define BUSPHASE_SELECT      ( BUSMON_SELECT      & BUSMON_PHASE_MASK )
 #define BUSPHASE_COMMAND     ( BUSMON_COMMAND     & BUSMON_PHASE_MASK )
 #define BUSPHASE_MESSAGE_IN  ( BUSMON_MESSAGE_IN  & BUSMON_PHASE_MASK )
 #define BUSPHASE_MESSAGE_OUT ( BUSMON_MESSAGE_OUT & BUSMON_PHASE_MASK )
 #define BUSPHASE_DATA_IN     ( BUSMON_DATA_IN     & BUSMON_PHASE_MASK )
 #define BUSPHASE_DATA_OUT    ( BUSMON_DATA_OUT    & BUSMON_PHASE_MASK )
 #define BUSPHASE_STATUS      ( BUSMON_STATUS      & BUSMON_PHASE_MASK )
-#define BUSPHASE_SELECT      ( S_SELECT | S_IO )
+
+/*====================================================================*/
+
+typedef struct scsi_info_t {
+	dev_link_t             link;
+	struct Scsi_Host      *host;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74))
+	dev_node_t             node;
+#else
+	int	               ndev;
+	dev_node_t             node[8];
+	struct bus_operations *bus;
+#endif
+	int                    stop;
+} scsi_info_t;
+
 
 /* synchronous transfer negotiation data */
 typedef struct _sync_data {
@@ -222,67 +261,116 @@
 	unsigned char AckWidth;
 } sync_data;
 
-typedef struct _nsp_data {
+typedef struct _nsp_hw_data {
 	unsigned int  BaseAddress;
 	unsigned int  NumAddress;
 	unsigned int  IrqNumber;
 
-	unsigned char ScsiClockDiv;
+	unsigned long MmioAddress;
+#define NSP_MMIO_OFFSET 0x0800
+	unsigned long MmioLength;
 
+	unsigned char ScsiClockDiv;
 	unsigned char TransferMode;
+	unsigned char ChipRev;
 
 	int           TimerCount;
 	int           SelectionTimeOut;
 	Scsi_Cmnd    *CurrentSC;
+	//int           CurrnetTarget;
 
 	int           FifoCount;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
-	int           Residual;
-#define RESID data->Residual
-#else
-#define RESID SCpnt->resid
-#endif
 
 #define MSGBUF_SIZE 20
 	unsigned char MsgBuffer[MSGBUF_SIZE];
 	int MsgLen;
 
 #define N_TARGET 8
-#define N_LUN    8
-	sync_data     Sync[N_TARGET][N_LUN];
+	sync_data     Sync[N_TARGET];
+
+	char nspinfo[110];     /* description */
+	spinlock_t Lock;
+
+	scsi_info_t   *ScsiInfo; /* attach <-> detect glue */
+
+
+#ifdef NSP_DEBUG
+	int CmdId; /* Accepted command serial number.
+		      Used for debugging.             */
+#endif
 } nsp_hw_data;
 
 
-static void nsp_cs_release(u_long arg);
-static int nsp_cs_event(event_t event, int priority, event_callback_args_t *args);
-static dev_link_t *nsp_cs_attach(void);
-static void nsp_cs_detach(dev_link_t *);
-
-static unsigned int nsphw_start_selection(Scsi_Cmnd *SCpnt, nsp_hw_data *data);
-static void nsp_start_timer(Scsi_Cmnd *SCpnt, nsp_hw_data *data, int time);
-
-static int nsp_detect(Scsi_Host_Template * );
-static int nsp_release(struct Scsi_Host *shpnt);
-static const char * nsp_info(struct Scsi_Host *shpnt);
-static int nsp_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));
-
-static int nsp_abort(Scsi_Cmnd *);
-static int nsp_reset(Scsi_Cmnd *, unsigned int);
-
-static int nsp_eh_abort(Scsi_Cmnd * SCpnt);
-static int nsp_eh_device_reset(Scsi_Cmnd *SCpnt);
-static int nsp_eh_bus_reset(Scsi_Cmnd *SCpnt);
-static int nsp_eh_host_reset(Scsi_Cmnd *SCpnt);
-
-static int  nsp_fifo_count(Scsi_Cmnd *SCpnt);
-static void nsp_pio_read(Scsi_Cmnd *SCpnt, nsp_hw_data *data);
-static int  nsp_nexus(Scsi_Cmnd *SCpnt, nsp_hw_data *data);
-
-#ifdef PCMCIA_DEBUG
-static void show_command(Scsi_Cmnd *ptr);
-static void show_phase(Scsi_Cmnd *SCpnt);
+/****************************************************************************
+ *
+ */
+
+/* Card service functions */
+static dev_link_t *nsp_cs_attach (void);
+static void        nsp_cs_detach (dev_link_t *link);
+static void        nsp_cs_release(dev_link_t *link);
+static void        nsp_cs_config (dev_link_t *link);
+static int         nsp_cs_event  (event_t event, int priority, event_callback_args_t *args);
+
+/* Linux SCSI subsystem specific functions */
+static struct Scsi_Host *nsp_detect     (Scsi_Host_Template *sht);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+static        int        nsp_detect_old (Scsi_Host_Template *sht);
+static        int        nsp_release_old(struct Scsi_Host *shpnt);
+#endif
+static const  char      *nsp_info       (struct Scsi_Host *shpnt);
+static        int        nsp_proc_info  (
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
+	                                 struct Scsi_Host *host,
+#endif
+					 char   *buffer,
+					 char  **start,
+					 off_t   offset,
+					 int     length,
+#if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
+					 int     hostno,
+#endif
+					 int     inout);
+static        int        nsp_queuecommand(Scsi_Cmnd *SCpnt, void (* done)(Scsi_Cmnd *SCpnt));
+
+/* Error handler */
+/*static int nsp_eh_abort       (Scsi_Cmnd *SCpnt);*/
+/*static int nsp_eh_device_reset(Scsi_Cmnd *SCpnt);*/
+static int nsp_eh_bus_reset    (Scsi_Cmnd *SCpnt);
+static int nsp_eh_host_reset   (Scsi_Cmnd *SCpnt);
+static int nsp_bus_reset       (nsp_hw_data *data);
+
+/* */
+static int  nsphw_init           (nsp_hw_data *data);
+static int  nsphw_start_selection(Scsi_Cmnd *SCpnt);
+static void nsp_start_timer      (Scsi_Cmnd *SCpnt, int time);
+static int  nsp_fifo_count       (Scsi_Cmnd *SCpnt);
+static void nsp_pio_read         (Scsi_Cmnd *SCpnt);
+static void nsp_pio_write        (Scsi_Cmnd *SCpnt);
+static int  nsp_nexus            (Scsi_Cmnd *SCpnt);
+static void nsp_scsi_done        (Scsi_Cmnd *SCpnt);
+static int  nsp_analyze_sdtr     (Scsi_Cmnd *SCpnt);
+static int  nsp_negate_signal    (Scsi_Cmnd *SCpnt, unsigned char mask, char *str);
+static int  nsp_expect_signal    (Scsi_Cmnd *SCpnt, unsigned char current_phase, unsigned char  mask);
+static int  nsp_xfer             (Scsi_Cmnd *SCpnt, int phase);
+static int  nsp_dataphase_bypass (Scsi_Cmnd *SCpnt);
+static int  nsp_reselected       (Scsi_Cmnd *SCpnt);
+static struct Scsi_Host *nsp_detect(Scsi_Host_Template *sht);
+
+/* Interrupt handler */
+//static irqreturn_t nspintr(int irq, void *dev_id, struct pt_regs *regs);
+
+/* Module entry point*/
+static int  __init nsp_cs_init(void);
+static void __exit nsp_cs_exit(void);
+
+
+/* Debug */
+#ifdef NSP_DEBUG
+static void show_command (Scsi_Cmnd *SCpnt);
+static void show_phase   (Scsi_Cmnd *SCpnt);
 static void show_busphase(unsigned char stat);
-static void show_message(nsp_hw_data *data);
+static void show_message (nsp_hw_data *data);
 #else
 # define show_command(ptr)   /* */
 # define show_phase(SCpnt)   /* */
@@ -294,17 +382,19 @@
  * SCSI phase
  */
 enum _scsi_phase {
-	PH_UNDETERMINED,
-	PH_ARBSTART,
-	PH_SELSTART,
-	PH_SELECTED,
-	PH_COMMAND,
-	PH_DATA,
-	PH_STATUS,
-	PH_MSG_IN,
-	PH_MSG_OUT,
-	PH_DISCONNECT,
-	PH_RESELECT
+	PH_UNDETERMINED ,
+	PH_ARBSTART     ,
+	PH_SELSTART     ,
+	PH_SELECTED     ,
+	PH_COMMAND      ,
+	PH_DATA         ,
+	PH_STATUS       ,
+	PH_MSG_IN       ,
+	PH_MSG_OUT      ,
+	PH_DISCONNECT   ,
+	PH_RESELECT     ,
+	PH_ABORT        ,
+	PH_RESET
 };
 
 enum _data_in_out {
@@ -313,12 +403,85 @@
 	IO_OUT
 };
 
+enum _burst_mode {
+	BURST_IO8   = 0,
+	BURST_IO32  = 1,
+	BURST_MEM32 = 2,
+};
 
-/* SCSI messaage */
+
+/**************************************************************************
+ * SCSI messaage
+ */
 #define MSG_COMMAND_COMPLETE 0x00
 #define MSG_EXTENDED         0x01
+#define MSG_ABORT            0x06
 #define MSG_NO_OPERATION     0x08
+#define MSG_BUS_DEVICE_RESET 0x0c
 
 #define MSG_EXT_SDTR         0x01
 
+
+/**************************************************************************
+ * Compatibility functions
+ */
+
+/* for Kernel 2.4 */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+# define scsi_register_host(template)   scsi_register_module(MODULE_SCSI_HA, template)
+# define scsi_unregister_host(template) scsi_unregister_module(MODULE_SCSI_HA, template)
+# define scsi_host_put(host)            scsi_unregister(host)
+
+# define IRQ_NONE      /* */
+# define IRQ_HANDLED   /* */
+# define IRQ_RETVAL(x) /* */
+
+/* This is ad-hoc version of scsi_host_get_next() */
+static inline struct Scsi_Host *scsi_host_get_next(struct Scsi_Host *host)
+{
+	if (host == NULL) {
+		return scsi_hostlist;
+	} else {
+		return host->next;
+	}
+}
+
+/* This is ad-hoc version of scsi_host_hn_get() */
+static inline struct Scsi_Host *scsi_host_hn_get(unsigned short hostno)
+{
+	struct Scsi_Host *host;
+
+	for (host = scsi_host_get_next(NULL); host != NULL;
+	     host = scsi_host_get_next(host)) {
+		if (host->host_no == hostno) {
+			break;
+		}
+	}
+
+	return host;
+}
+
+static void cs_error(client_handle_t handle, int func, int ret)
+{
+	error_info_t err = { func, ret };
+	CardServices(ReportError, handle, &err);
+}
+
+/* scatter-gather table */
+# define SG_ADDRESS(buffer) ((buffer)->address)
+
+/* host spin lock */
+# define HOST_LOCK          (&io_request_lock)
+#endif
+
+/* for Kernel 2.6 */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+/* scatter-gather table */
+# define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset))
+
+/* host spin lock */
+# define HOST_LOCK          (((scsi_info_t *)dev_id)->host->host_lock)
+#endif
+
 #endif  /*__nsp_cs__*/
+/* end */

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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)