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Annotation of coherent/d/PS2_KERNEL/include/sys/ss.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * ss.h
                      3:  *
                      4:  * Header for Seagate ST01/ST02 and Future Domain SCSI host adapters.
                      5:  *
                      6:  * $Log
                      7:  */
                      8: 
                      9: /*
                     10:  * Constants.
                     11:  */
                     12: #define SS_RAM         0x1800  /* Offset of parameter RAM */
                     13: #define SS_CSR         0x1A00  /* Offset of control/status register */
                     14: #define SS_DAT         0x1C00  /* Offset of data port */
                     15: 
                     16: #define SS_RAM_LEN     128     /* ST0x has 128 bytes of RAM */
                     17: #define SS_DAT_LEN     0x400   /* Byte range mapped to data port */
                     18: #define SS_SEL_LEN     0x2000  /* Total size of memory-mapped area */
                     19: 
                     20: #define WC_ENABLE_SCSI 0x80    /* Write Control (WC) register bits */
                     21: #define WC_ENABLE_IRPT 0x40
                     22: #define WC_ENABLE_PRTY 0x20
                     23: #define WC_ARBITRATE   0x10
                     24: #define WC_ATTENTION   0x08
                     25: #define WC_BUSY        0x04
                     26: #define WC_SELECT      0x02
                     27: #define WC_SCSI_RESET          0x01
                     28: 
                     29: #define RS_ARBIT_COMPL 0x80    /* Read STATUS (RS) register bits */
                     30: #define RS_PRTY_ERROR  0x40
                     31: #define RS_SELECT      0x20
                     32: #define RS_REQUEST     0x10
                     33: #define RS_CTRL_DATA   0x08
                     34: #define RS_I_O         0x04
                     35: #define RS_MESSAGE     0x02
                     36: #define RS_BUSY        0x01
                     37: 
                     38: /*
                     39:  * Import Functions.
                     40:  */
                     41: 
                     42: /* functions from ssqueue.c */
                     43: extern void ssq_wr_tail();
                     44: extern BUF * ssq_rd_head();
                     45: extern BUF * ssq_rm_head();
                     46: 
                     47: /* functions from ssas.s */
                     48: extern void ss_get();
                     49: extern int ss_put();

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