/*=======================================================/ Header file for nsp_cs.c By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> Ver.1.0 : Cut unused lines. Ver 0.1 : Initial version. This software may be used and distributed according to the terms of the GNU General Public License. #ifndef __nsp_cs__#define __nsp_cs__/* for debugging */ //#define NSP_DEBUG 9 /*#define static #define inline /************************************ * Some useful macros... /* SCSI initiator must be ID 7 */ #define NSP_INITIATOR_ID 7#define NSP_SELTIMEOUT 200/*************************************************************************** * 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 (IRQCONTROL_RESELECT_CLEAR | \# define IRQCONTROL_IRQDISABLE 0xf0#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 /* W */ # define IF_IFSEL BIT(0)# define IF_REGSEL BIT(2)#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 */ #define CLOCKDIV 0x11 /* R/W */ # define CLOCK_40M 0x02# define CLOCK_20M 0x01# define FAST_20 BIT(2)#define TERMPWRCTRL 0x13 /* R/W */ # define POWER_ON BIT(0)#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 /* R */ # define LATCHED_MSG BIT(0)# define LATCHED_IO BIT(1)# define LATCHED_CD BIT(2)# define LATCHED_BUS_FREE BIT(3)# define PHASE_CHANGE_IRQ BIT(4)# define RESELECT_IRQ BIT(5)# define FIFO_IRQ BIT(6)# define SCSI_RESET_IRQ BIT(7)#define TIMERCOUNT 0x17 /* R/W */ #define SCSIBUSCTRL 0x18 /* R/W */ # define SCSI_SEL BIT(0)# define SCSI_RST BIT(1)# define SCSI_DATAOUT_ENB BIT(2)# define SCSI_ATN BIT(3)# define SCSI_ACK BIT(4)# define SCSI_BSY BIT(5)# define AUTODIRECTION BIT(6)# define ACKENB BIT(7)#define SCSIBUSMON 0x19 /* R */ #define SETARBIT 0x1A /* W */ # define ARBIT_GO BIT(0)# define ARBIT_FLAG_CLEAR BIT(1)#define ARBITSTATUS 0x1A /* R */ /*# define ARBIT_GO BIT(0)*/ # define ARBIT_WIN BIT(1)# define ARBIT_FAIL BIT(2)# define RESELECT_FLAG BIT(3)#define PARITYCTRL 0x1B /* W */ #define PARITYSTATUS 0x1B /* R */ #define COMMANDCTRL 0x1C /* W */ # define CLEAR_COMMAND_POINTER BIT(0)# define AUTO_COMMAND_GO BIT(1)#define RESELECTID 0x1C /* R */ #define COMMANDDATA 0x1D /* R/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 (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 /* R/W */ # define SYNCREG_OFFSET_MASK 0x0f# define SYNCREG_PERIOD_MASK 0xf0# define SYNCREG_PERIOD_SHIFT 4#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 /* 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 /* 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_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) /* Acknowledge 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_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 )/*====================================================================*/ typedef struct scsi_info_t {struct pcmcia_device *p_dev;struct Scsi_Host *host;int stop;/* synchronous transfer negotiation data */ typedef struct _sync_data {unsigned int SyncNegotiation;#define SYNC_NOT_YET 0#define SYNC_OK 1#define SYNC_NG 2unsigned int SyncPeriod;unsigned int SyncOffset;unsigned char SyncRegister;unsigned char AckWidth;typedef struct _nsp_hw_data {unsigned int BaseAddress;unsigned int NumAddress;unsigned int IrqNumber;unsigned long MmioAddress;#define NSP_MMIO_OFFSET 0x0800unsigned long MmioLength;unsigned char ScsiClockDiv;unsigned char TransferMode;int TimerCount;int SelectionTimeOut;struct scsi_cmnd *CurrentSC;//int CurrnetTarget; int FifoCount;#define MSGBUF_SIZE 20unsigned char MsgBuffer[MSGBUF_SIZE];int MsgLen;#define N_TARGET 8char nspinfo[110]; /* description */ /* attach <-> detect glue */ #ifdef NSP_DEBUGint CmdId; /* Accepted command serial number. #endif /**************************************************************************** * /* Card service functions */ static void nsp_cs_detach (struct pcmcia_device *p_dev);static void nsp_cs_release(struct pcmcia_device *link);static int nsp_cs_config (struct pcmcia_device *link);/* Linux SCSI subsystem specific functions */ static struct Scsi_Host *nsp_detect (struct scsi_host_template *sht);static const char *nsp_info (struct Scsi_Host *shpnt);static int nsp_show_info (struct seq_file *m,struct Scsi_Host *host);static int nsp_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *SCpnt);/* Error handler */ /*static int nsp_eh_abort (struct scsi_cmnd *SCpnt);*/ /*static int nsp_eh_device_reset(struct scsi_cmnd *SCpnt);*/ static int nsp_eh_bus_reset (struct scsi_cmnd *SCpnt);static int nsp_eh_host_reset (struct scsi_cmnd *SCpnt);static int nsp_bus_reset (nsp_hw_data *data);/* */ static void nsphw_init (nsp_hw_data *data);static bool nsphw_start_selection(struct scsi_cmnd *SCpnt);static void nsp_start_timer (struct scsi_cmnd *SCpnt, int time);static int nsp_fifo_count (struct scsi_cmnd *SCpnt);static void nsp_pio_read (struct scsi_cmnd *SCpnt);static void nsp_pio_write (struct scsi_cmnd *SCpnt);static int nsp_nexus (struct scsi_cmnd *SCpnt);static void nsp_scsi_done (struct scsi_cmnd *SCpnt);static int nsp_analyze_sdtr (struct scsi_cmnd *SCpnt);static int nsp_negate_signal (struct scsi_cmnd *SCpnt,unsigned char mask, char *str);static int nsp_expect_signal (struct scsi_cmnd *SCpnt,unsigned char current_phase,unsigned char mask);static int nsp_xfer (struct scsi_cmnd *SCpnt, int phase);static int nsp_dataphase_bypass (struct scsi_cmnd *SCpnt);static void nsp_reselected (struct scsi_cmnd *SCpnt);static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht);/* Interrupt handler */ //static irqreturn_t nspintr(int irq, void *dev_id); /* Debug */ #ifdef NSP_DEBUGstatic void show_command (struct scsi_cmnd *SCpnt);static void show_phase (struct scsi_cmnd *SCpnt);static void show_busphase(unsigned char stat);static void show_message (nsp_hw_data *data);#else # define show_command(ptr) /* */ # define show_phase(SCpnt) /* */ # define show_busphase(stat) /* */ # define show_message(data) /* */ #endif /* * SCSI phase enum _scsi_phase {enum _data_in_out {enum _burst_mode {/* scatter-gather table */ #define BUFFER_ADDR(SCpnt) ((char *)(sg_virt(nsp_priv(SCpnt)->buffer)))#endif /*__nsp_cs__*/ /* end */
Messung V0.5 C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.6 Sekunden
¤ *© Formatika GbR, Deutschland
