nsp_cs.h
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- /*=======================================================/
- 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.
- =========================================================*/
- /* $Id: nsp_cs.h,v 1.27 2001/09/10 10:31:13 elca Exp $ */
- #ifndef __nsp_cs__
- #define __nsp_cs__
- /* for debugging */
- /*#define PCMCIA_DEBUG 9*/
- /*
- #define static
- #define inline
- */
- /************************************
- * Some useful macros...
- */
- #define Number(arr) ((int) (sizeof(arr) / sizeof(arr[0])))
- #define BIT(x) (1<<(x))
- #define MIN(a,b) ((a) > (b) ? (b) : (a))
- /* SCSI initiator must be 7 */
- #define SCSI_INITIATOR_ID 7
- #define NSP_SELTIMEOUT 200
- /* base register */
- #define IRQCONTROL 0x00
- # 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 IRQSTATUS 0x00
- # define IRQSTATUS_SCSI BIT(0)
- # define IRQSTATUS_TIMER BIT(2)
- # define IRQSTATUS_FIFO BIT(3)
- # define IRQSTATUS_MASK 0x0f
- #define IFSELECT 0x01
- # 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
- /* indexed register */
- #define EXTBUSCTRL 0x10
- #define CLOCKDIV 0x11
- # define CLOCK_40M 0x02
- # define CLOCK_20M 0x01
- #define TERMPWRCTRL 0x13
- # define POWER_ON BIT(0)
- #define SCSIIRQMODE 0x15
- # 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 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
- #define SCSIBUSCTRL 0x18
- # 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
- #define SETARBIT 0x1A
- # define ARBIT_GO BIT(0)
- # define ARBIT_FLAG_CLEAR BIT(1)
- #define ARBITSTATUS 0x1A
- /*# 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
- #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 SYNCREG 0x21
- # 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 OTHERCONTROL 0x26
- # 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
- /*
- * 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*/
- /*
- * 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 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 )
- /* synchronous transfer negotiation data */
- typedef struct _sync_data {
- unsigned int SyncNegotiation;
- #define SYNC_NOT_YET 0
- #define SYNC_OK 1
- #define SYNC_NG 2
- unsigned int SyncPeriod;
- unsigned int SyncOffset;
- unsigned char SyncRegister;
- unsigned char AckWidth;
- } sync_data;
- typedef struct _nsp_data {
- unsigned int BaseAddress;
- unsigned int NumAddress;
- unsigned int IrqNumber;
- unsigned char ScsiClockDiv;
- unsigned char TransferMode;
- int TimerCount;
- int SelectionTimeOut;
- Scsi_Cmnd *CurrentSC;
- 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];
- } 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);
- 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 {
- PH_UNDETERMINED,
- PH_ARBSTART,
- PH_SELSTART,
- PH_SELECTED,
- PH_COMMAND,
- PH_DATA,
- PH_STATUS,
- PH_MSG_IN,
- PH_MSG_OUT,
- PH_DISCONNECT,
- PH_RESELECT
- };
- enum _data_in_out {
- IO_UNKNOWN,
- IO_IN,
- IO_OUT
- };
- /* SCSI messaage */
- #define MSG_COMMAND_COMPLETE 0x00
- #define MSG_EXTENDED 0x01
- #define MSG_NO_OPERATION 0x08
- #define MSG_EXT_SDTR 0x01
- #endif /*__nsp_cs__*/