/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
* of PCI-SCSI IO processors.
*
* Copyright (C) 1999-2001 Gerard Roudier <[email protected]>
*
* This driver is derived from the Linux sym53c8xx driver.
* Copyright (C) 1998-2000 Gerard Roudier
*
* The sym53c8xx driver is derived from the ncr53c8xx driver that had been
* a port of the FreeBSD ncr driver to Linux-1.2.13.
*
* The original ncr driver has been written for 386bsd and FreeBSD by
* Wolfgang Stanglmeier <[email protected]>
* Stefan Esser <[email protected]>
* Copyright (C) 1994 Wolfgang Stanglmeier
*
* Other major contributions:
*
* NVRAM detection and reading.
* Copyright (C) 1997 Richard Waltham <[email protected]>
*
*-----------------------------------------------------------------------------
*/
#ifndef SYM_DEFS_H
#define SYM_DEFS_H
#define SYM_VERSION "2.2.3"
#define SYM_DRIVER_NAME "sym-" SYM_VERSION
/*
* SYM53C8XX device features descriptor.
*/
struct sym_chip {
u_short device_id;
u_short revision_id;
char *name;
u_char burst_max; /* log-base-2 of max burst */
u_char offset_max;
u_char nr_divisor;
u_char lp_probe_bit;
u_int features;
#define FE_LED0 (1<<0)
#define FE_WIDE (1<<1) /* Wide data transfers */
#define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */
#define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */
#define FE_DBLR (1<<4) /* Clock doubler present */
#define FE_QUAD (1<<5) /* Clock quadrupler present */
#define FE_ERL (1<<6) /* Enable read line */
#define FE_CLSE (1<<7) /* Cache line size enable */
#define FE_WRIE (1<<8) /* Write & Invalidate enable */
#define FE_ERMP (1<<9) /* Enable read multiple */
#define FE_BOF (1<<10) /* Burst opcode fetch */
#define FE_DFS (1<<11) /* DMA fifo size */
#define FE_PFEN (1<<12) /* Prefetch enable */
#define FE_LDSTR (1<<13) /* Load/Store supported */
#define FE_RAM (1<<14) /* On chip RAM present */
#define FE_VARCLK (1<<15) /* Clock frequency may vary */
#define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */
#define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */
#define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */
#define FE_NOPM (1<<19) /* Scripts handles phase mismatch */
#define FE_LEDC (1<<20) /* Hardware control of LED */
#define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */
#define FE_66MHZ (1<<22) /* 66MHz PCI support */
#define FE_CRC (1<<23) /* CRC support */
#define FE_DIFF (1<<24) /* SCSI HVD support */
#define FE_DFBC (1<<25) /* Have DFBC register */
#define FE_LCKFRQ (1<<26) /* Have LCKFRQ */
#define FE_C10 (1<<27) /* Various C10 core (mis)features */
#define FE_U3EN (1<<28) /* U3EN bit usable */
#define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */
#define FE_ISTAT1 (1<<30) /* Have ISTAT1, MBOX0, MBOX1 registers */
#define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP)
#define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL)
};
/*
* SYM53C8XX IO register data structure.
*/
struct sym_reg {
/*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */
/*01*/ u8 nc_scntl1; /* no reset */
#define ISCON 0x10 /* connected to scsi */
#define CRST 0x08 /* force reset */
#define IARB 0x02 /* immediate arbitration */
/*02*/ u8 nc_scntl2; /* no disconnect expected */
#define SDU 0x80 /* cmd: disconnect will raise error */
#define CHM 0x40 /* sta: chained mode */
#define WSS 0x08 /* sta: wide scsi send [W]*/
#define WSR 0x01 /* sta: wide scsi received [W]*/
/*03*/ u8 nc_scntl3; /* cnf system clock dependent */
#define EWS 0x08 /* cmd: enable wide scsi [W]*/
#define ULTRA 0x80 /* cmd: ULTRA enable */
/* bits 0-2, 7 rsvd for C1010 */
/*04*/ u8 nc_scid; /* cnf host adapter scsi address */
#define RRE 0x40 /* r/w:e enable response to resel. */
#define SRE 0x20 /* r/w:e enable response to select */
/*05*/ u8 nc_sxfer; /* ### Sync speed and count */
/* bits 6-7 rsvd for C1010 */
/*06*/ u8 nc_sdid; /* ### Destination-ID */
/*07*/ u8 nc_gpreg; /* ??? IO-Pins */
/*08*/ u8 nc_sfbr; /* ### First byte received */
/*09*/ u8 nc_socl;
#define CREQ 0x80 /* r/w: SCSI-REQ */
#define CACK 0x40 /* r/w: SCSI-ACK */
#define CBSY 0x20 /* r/w: SCSI-BSY */
#define CSEL 0x10 /* r/w: SCSI-SEL */
#define CATN 0x08 /* r/w: SCSI-ATN */
#define CMSG 0x04 /* r/w: SCSI-MSG */
#define CC_D 0x02 /* r/w: SCSI-C_D */
#define CI_O 0x01 /* r/w: SCSI-I_O */
/*0a*/ u8 nc_ssid;
/*0b*/ u8 nc_sbcl;
/*0c*/ u8 nc_dstat;
#define DFE 0x80 /* sta: dma fifo empty */
#define MDPE 0x40 /* int: master data parity error */
#define BF 0x20 /* int: script: bus fault */
#define ABRT 0x10 /* int: script: command aborted */
#define SSI 0x08 /* int: script: single step */
#define SIR 0x04 /* int: script: interrupt instruct. */
#define IID 0x01 /* int: script: illegal instruct. */
/*0d*/ u8 nc_sstat0;
#define ILF 0x80 /* sta: data in SIDL register lsb */
#define ORF 0x40 /* sta: data in SODR register lsb */
#define OLF 0x20 /* sta: data in SODL register lsb */
#define AIP 0x10 /* sta: arbitration in progress */
#define LOA 0x08 /* sta: arbitration lost */
#define WOA 0x04 /* sta: arbitration won */
#define IRST 0x02 /* sta: scsi reset signal */
#define SDP 0x01 /* sta: scsi parity signal */
/*0e*/ u8 nc_sstat1;
#define FF3210 0xf0 /* sta: bytes in the scsi fifo */
/*0f*/ u8 nc_sstat2;
#define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
#define ORF1 0x40 /* sta: data in SODR register msb[W]*/
#define OLF1 0x20 /* sta: data in SODL register msb[W]*/
#define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */
#define LDSC 0x02 /* sta: disconnect & reconnect */
/*10*/ u8 nc_dsa; /* --> Base page */
/*11*/ u8 nc_dsa1;
/*12*/ u8 nc_dsa2;
/*13*/ u8 nc_dsa3;
/*14*/ u8 nc_istat; /* --> Main Command and status */
#define CABRT 0x80 /* cmd: abort current operation */
#define SRST 0x40 /* mod: reset chip */
#define SIGP 0x20 /* r/w: message from host to script */
#define SEM 0x10 /* r/w: message between host + script */
#define CON 0x08 /* sta: connected to scsi */
#define INTF 0x04 /* sta: int on the fly (reset by wr)*/
#define SIP 0x02 /* sta: scsi-interrupt */
#define DIP 0x01 /* sta: host/script interrupt */
/*15*/ u8 nc_istat1; /* 896 only */
#define FLSH 0x04 /* sta: chip is flushing */
#define SCRUN 0x02 /* sta: scripts are running */
#define SIRQD 0x01 /* r/w: disable INT pin */
/*16*/ u8 nc_mbox0; /* 896 only */
/*17*/ u8 nc_mbox1; /* 896 only */
/*18*/ u8 nc_ctest0;
/*19*/ u8 nc_ctest1;
/*1a*/ u8 nc_ctest2;
#define CSIGP 0x40
/* bits 0-2,7 rsvd for C1010 */
/*1b*/ u8 nc_ctest3;
#define FLF 0x08 /* cmd: flush dma fifo */
#define CLF 0x04 /* cmd: clear dma fifo */
#define FM 0x02 /* mod: fetch pin mode */
#define WRIE 0x01 /* mod: write and invalidate enable */
/* bits 4-7 rsvd for C1010 */
/*1c*/ u32 nc_temp; /* ### Temporary stack */
/*20*/ u8 nc_dfifo;
/*21*/ u8 nc_ctest4;
#define BDIS 0x80 /* mod: burst disable */
#define MPEE 0x08 /* mod: master parity error enable */
/*22*/ u8 nc_ctest5;
#define DFS 0x20 /* mod: dma fifo size */
/* bits 0-1, 3-7 rsvd for C1010 */
/*23*/ u8 nc_ctest6;
/*24*/ u32 nc_dbc; /* ### Byte count and command */
/*28*/ u32 nc_dnad; /* ### Next command register */
/*2c*/ u32 nc_dsp; /* --> Script Pointer */
/*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */
/*34*/ u8 nc_scratcha; /* Temporary register a */
/*35*/ u8 nc_scratcha1;
/*36*/ u8 nc_scratcha2;
/*37*/ u8 nc_scratcha3;
/*38*/ u8 nc_dmode;
#define BL_2 0x80 /* mod: burst length shift value +2 */
#define BL_1 0x40 /* mod: burst length shift value +1 */
#define ERL 0x08 /* mod: enable read line */
#define ERMP 0x04 /* mod: enable read multiple */
#define BOF 0x02 /* mod: burst op code fetch */
/*39*/ u8 nc_dien;
/*3a*/ u8 nc_sbr;
/*3b*/ u8 nc_dcntl; /* --> Script execution control */
#define CLSE 0x80 /* mod: cache line size enable */
#define PFF 0x40 /* cmd: pre-fetch flush */
#define PFEN 0x20 /* mod: pre-fetch enable */
#define SSM 0x10 /* mod: single step mode */
#define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */
#define STD 0x04 /* cmd: start dma mode */
#define IRQD 0x02 /* mod: irq disable */
#define NOCOM 0x01 /* cmd: protect sfbr while reselect */
/* bits 0-1 rsvd for C1010 */
/*3c*/ u32 nc_adder;
/*40*/ u16 nc_sien; /* -->: interrupt enable */
/*42*/ u16 nc_sist; /* <--: interrupt status */
#define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
#define STO 0x0400/* sta: timeout (select) */
#define GEN 0x0200/* sta: timeout (general) */
#define HTH 0x0100/* sta: timeout (handshake) */
#define MA 0x80 /* sta: phase mismatch */
#define CMP 0x40 /* sta: arbitration complete */
#define SEL 0x20 /* sta: selected by another device */
#define RSL 0x10 /* sta: reselected by another device*/
#define SGE 0x08 /* sta: gross error (over/underflow)*/
#define UDC 0x04 /* sta: unexpected disconnect */
#define RST 0x02 /* sta: scsi bus reset detected */
#define PAR 0x01 /* sta: scsi parity error */
/*44*/ u8 nc_slpar;
/*45*/ u8 nc_swide;
/*46*/ u8 nc_macntl;
/*47*/ u8 nc_gpcntl;
/*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/
/*49*/ u8 nc_stime1; /* cmd: timeout user defined */
/*4a*/ u16 nc_respid; /* sta: Reselect-IDs */
/*4c*/ u8 nc_stest0;
/*4d*/ u8 nc_stest1;
#define SCLK 0x80 /* Use the PCI clock as SCSI clock */
#define DBLEN 0x08 /* clock doubler running */
#define DBLSEL 0x04 /* clock doubler selected */
/*4e*/ u8 nc_stest2;
#define ROF 0x40 /* reset scsi offset (after gross error!) */
#define EXT 0x02 /* extended filtering */
/*4f*/ u8 nc_stest3;
#define TE 0x80 /* c: tolerAnt enable */
#define HSC 0x20 /* c: Halt SCSI Clock */
#define CSF 0x02 /* c: clear scsi fifo */
/*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */
/*52*/ u8 nc_stest4;
#define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
#define SMODE_HVD 0x40 /* High Voltage Differential */
#define SMODE_SE 0x80 /* Single Ended */
#define SMODE_LVD 0xc0 /* Low Voltage Differential */
#define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
/* bits 0-5 rsvd for C1010 */
/*53*/ u8 nc_53_;
/*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */
/*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */
#define ENPMJ 0x80 /* Enable Phase Mismatch Jump */
#define PMJCTL 0x40 /* Phase Mismatch Jump Control */
#define ENNDJ 0x20 /* Enable Non Data PM Jump */
#define DISFC 0x10 /* Disable Auto FIFO Clear */
#define DILS 0x02 /* Disable Internal Load/Store */
#define DPR 0x01 /* Disable Pipe Req */
/*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */
#define ZMOD 0x80 /* High Impedance Mode */
#define DDAC 0x08 /* Disable Dual Address Cycle */
#define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */
#define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */
#define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */
/*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */
/*5a*/ u16 nc_5a_;
/*5c*/ u8 nc_scr0; /* Working register B */
/*5d*/ u8 nc_scr1;
/*5e*/ u8 nc_scr2;
/*5f*/ u8 nc_scr3;
/*60*/ u8 nc_scrx[64]; /* Working register C-R */
/*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */
/*a4*/ u32 nc_mmws; /* Memory Move Write Selector */
/*a8*/ u32 nc_sfs; /* Script Fetch Selector */
/*ac*/ u32 nc_drs; /* DSA Relative Selector */
/*b0*/ u32 nc_sbms; /* Static Block Move Selector */
/*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */
/*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */
/*bc*/ u16 nc_scntl4; /* C1010 only */
#define U3EN 0x80 /* Enable Ultra 3 */
#define AIPCKEN 0x40 /* AIP checking enable */
/* Also enable AIP generation on C10-33*/
#define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */
#define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */
#define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */
#define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */
/*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */
/*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */
#define DISAIP 0x08 /* Disable AIP generation C10-66 only */
/*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */
/*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */
/*c8*/ u8 nc_rbc; /* Remaining Byte Count */
/*c9*/ u8 nc_rbc1;
/*ca*/ u8 nc_rbc2;
/*cb*/ u8 nc_rbc3;
/*cc*/ u8 nc_ua; /* Updated Address */
/*cd*/ u8 nc_ua1;
/*ce*/ u8 nc_ua2;
/*cf*/ u8 nc_ua3;
/*d0*/ u32 nc_esa; /* Entry Storage Address */
/*d4*/ u8 nc_ia; /* Instruction Address */
/*d5*/ u8 nc_ia1;
/*d6*/ u8 nc_ia2;
/*d7*/ u8 nc_ia3;
/*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */
/*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */
/* Following for C1010 only */
/*e0*/ u16 nc_crcpad; /* CRC Value */
/*e2*/ u8 nc_crccntl0; /* CRC control register */
#define SNDCRC 0x10 /* Send CRC Request */
/*e3*/ u8 nc_crccntl1; /* CRC control register */
/*e4*/ u32 nc_crcdata; /* CRC data register */
/*e8*/ u32 nc_e8_;
/*ec*/ u32 nc_ec_;
/*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */
};
/*-----------------------------------------------------------
*
* Utility macros for the script.
*
*-----------------------------------------------------------
*/
#define REGJ(p,r) (offsetof(struct sym_reg, p ## r))
#define REG(r) REGJ (nc_, r)
/*-----------------------------------------------------------
*
* SCSI phases
*
*-----------------------------------------------------------
*/
#define SCR_DATA_OUT 0x00000000
#define SCR_DATA_IN 0x01000000
#define SCR_COMMAND 0x02000000
#define SCR_STATUS 0x03000000
#define SCR_DT_DATA_OUT 0x04000000
#define SCR_DT_DATA_IN 0x05000000
#define SCR_MSG_OUT 0x06000000
#define SCR_MSG_IN 0x07000000
/* DT phases are illegal for non Ultra3 mode */
#define SCR_ILG_OUT 0x04000000
#define SCR_ILG_IN 0x05000000
/*-----------------------------------------------------------
*
* Data transfer via SCSI.
*
*-----------------------------------------------------------
*
* MOVE_ABS (LEN)
* <<start address>>
*
* MOVE_IND (LEN)
* <<dnad_offset>>
*
* MOVE_TBL
* <<dnad_offset>>
*
*-----------------------------------------------------------
*/
#define OPC_MOVE 0x08000000
#define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l))
/* #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) */
#define SCR_MOVE_TBL (0x10000000 | OPC_MOVE)
#define SCR_CHMOV_ABS(l) ((0x00000000) | (l))
/* #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) */
#define SCR_CHMOV_TBL (0x10000000)
#ifdef SYM_CONF_TARGET_ROLE_SUPPORT
/* We steal the `indirect addressing' flag for target mode MOVE in scripts */
#define OPC_TCHMOVE 0x08000000
#define SCR_TCHMOVE_ABS(l) ((0x20000000 | OPC_TCHMOVE) | (l))
#define SCR_TCHMOVE_TBL (0x30000000 | OPC_TCHMOVE)
#define SCR_TMOV_ABS(l) ((0x20000000) | (l))
#define SCR_TMOV_TBL (0x30000000)
#endif
struct sym_tblmove {
u32 size;
u32 addr;
};
/*-----------------------------------------------------------
*
* Selection
*
*-----------------------------------------------------------
*
* SEL_ABS | SCR_ID (0..15) [ | REL_JMP]
* <<alternate_address>>
*
* SEL_TBL | << dnad_offset>> [ | REL_JMP]
* <<alternate_address>>
*
*-----------------------------------------------------------
*/
#define SCR_SEL_ABS 0x40000000
#define SCR_SEL_ABS_ATN 0x41000000
#define SCR_SEL_TBL 0x42000000
#define SCR_SEL_TBL_ATN 0x43000000
#ifdef SYM_CONF_TARGET_ROLE_SUPPORT
#define SCR_RESEL_ABS 0x40000000
#define SCR_RESEL_ABS_ATN 0x41000000
#define SCR_RESEL_TBL 0x42000000
#define SCR_RESEL_TBL_ATN 0x43000000
#endif
struct sym_tblsel {
u_char sel_scntl4; /* C1010 only */
u_char sel_sxfer;
u_char sel_id;
u_char sel_scntl3;
};
#define SCR_JMP_REL 0x04000000
#define SCR_ID(id) (((u32)(id)) << 16)
/*-----------------------------------------------------------
*
* Waiting for Disconnect or Reselect
*
*-----------------------------------------------------------
*
* WAIT_DISC
* dummy: <<alternate_address>>
*
* WAIT_RESEL
* <<alternate_address>>
*
*-----------------------------------------------------------
*/
#define SCR_WAIT_DISC 0x48000000
#define SCR_WAIT_RESEL 0x50000000
#ifdef SYM_CONF_TARGET_ROLE_SUPPORT
#define SCR_DISCONNECT 0x48000000
#endif
/*-----------------------------------------------------------
*
* Bit Set / Reset
*
*-----------------------------------------------------------
*
* SET (flags {|.. })
*
* CLR (flags {|.. })
*
*-----------------------------------------------------------
*/
#define SCR_SET(f) (0x58000000 | (f))
#define SCR_CLR(f) (0x60000000 | (f))
#define SCR_CARRY 0x00000400
#define SCR_TRG 0x00000200
#define SCR_ACK 0x00000040
#define SCR_ATN 0x00000008
/*-----------------------------------------------------------
*
* Memory to memory move
*
*-----------------------------------------------------------
*
* COPY (bytecount)
* << source_address >>
* << destination_address >>
*
* SCR_COPY sets the NO FLUSH option by default.
* SCR_COPY_F does not set this option.
*
* For chips which do not support this option,
* sym_fw_bind_script() will remove this bit.
*
*-----------------------------------------------------------
*/
#define SCR_NO_FLUSH 0x01000000
#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
#define SCR_COPY_F(n) (0xc0000000 | (n))
/*-----------------------------------------------------------
*
* Register move and binary operations
*
*-----------------------------------------------------------
*
* SFBR_REG (reg, op, data) reg = SFBR op data
* << 0 >>
*
* REG_SFBR (reg, op, data) SFBR = reg op data
* << 0 >>
*
* REG_REG (reg, op, data) reg = reg op data
* << 0 >>
*
*-----------------------------------------------------------
*
* On 825A, 875, 895 and 896 chips the content
* of SFBR register can be used as data (SCR_SFBR_DATA).
* The 896 has additionnal IO registers starting at
* offset 0x80. Bit 7 of register offset is stored in
* bit 7 of the SCRIPTS instruction first DWORD.
*
*-----------------------------------------------------------
*/
#define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80))
#define SCR_SFBR_REG(reg,op,data) \
(0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_REG_SFBR(reg,op,data) \
(0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_REG_REG(reg,op,data) \
(0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_LOAD 0x00000000
#define SCR_SHL 0x01000000
#define SCR_OR 0x02000000
#define SCR_XOR 0x03000000
#define SCR_AND 0x04000000
#define SCR_SHR 0x05000000
#define SCR_ADD 0x06000000
#define SCR_ADDC 0x07000000
#define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */
/*-----------------------------------------------------------
*
* FROM_REG (reg) SFBR = reg
* << 0 >>
*
* TO_REG (reg) reg = SFBR
* << 0 >>
*
* LOAD_REG (reg, data) reg = <data>
* << 0 >>
*
* LOAD_SFBR(data) SFBR = <data>
* << 0 >>
*
*-----------------------------------------------------------
*/
#define SCR_FROM_REG(reg) \
SCR_REG_SFBR(reg,SCR_OR,0)
#define SCR_TO_REG(reg) \
SCR_SFBR_REG(reg,SCR_OR,0)
#define SCR_LOAD_REG(reg,data) \
SCR_REG_REG(reg,SCR_LOAD,data)
#define SCR_LOAD_SFBR(data) \
(SCR_REG_SFBR (gpreg, SCR_LOAD, data))
/*-----------------------------------------------------------
*
* LOAD from memory to register.
* STORE from register to memory.
*
* Only supported by 810A, 860, 825A, 875, 895 and 896.
*
*-----------------------------------------------------------
*
* LOAD_ABS (LEN)
* <<start address>>
*
* LOAD_REL (LEN) (DSA relative)
* <<dsa_offset>>
*
*-----------------------------------------------------------
*/
#define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
#define SCR_NO_FLUSH2 0x02000000
#define SCR_DSA_REL2 0x10000000
#define SCR_LOAD_R(reg, how, n) \
(0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
#define SCR_STORE_R(reg, how, n) \
(0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n))
#define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
#define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
#define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n)
#define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n)
#define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
#define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
#define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n)
#define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n)
/*-----------------------------------------------------------
*
* Waiting for Disconnect or Reselect
*
*-----------------------------------------------------------
*
* JUMP [ | IFTRUE/IFFALSE ( ... ) ]
* <<address>>
*
* JUMPR [ | IFTRUE/IFFALSE ( ... ) ]
* <<distance>>
*
* CALL [ | IFTRUE/IFFALSE ( ... ) ]
* <<address>>
*
* CALLR [ | IFTRUE/IFFALSE ( ... ) ]
* <<distance>>
*
* RETURN [ | IFTRUE/IFFALSE ( ... ) ]
* <<dummy>>
*
* INT [ | IFTRUE/IFFALSE ( ... ) ]
* <<ident>>
*
* INT_FLY [ | IFTRUE/IFFALSE ( ... ) ]
* <<ident>>
*
* Conditions:
* WHEN (phase)
* IF (phase)
* CARRYSET
* DATA (data, mask)
*
*-----------------------------------------------------------
*/
#define SCR_NO_OP 0x80000000
#define SCR_JUMP 0x80080000
#define SCR_JUMP64 0x80480000
#define SCR_JUMPR 0x80880000
#define SCR_CALL 0x88080000
#define SCR_CALLR 0x88880000
#define SCR_RETURN 0x90080000
#define SCR_INT 0x98080000
#define SCR_INT_FLY 0x98180000
#define IFFALSE(arg) (0x00080000 | (arg))
#define IFTRUE(arg) (0x00000000 | (arg))
#define WHEN(phase) (0x00030000 | (phase))
#define IF(phase) (0x00020000 | (phase))
#define DATA(D) (0x00040000 | ((D) & 0xff))
#define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))
#define CARRYSET (0x00200000)
/*-----------------------------------------------------------
*
* SCSI constants.
*
*-----------------------------------------------------------
*/
/*
* Messages
*/
#define M_COMPLETE COMMAND_COMPLETE
#define M_EXTENDED EXTENDED_MESSAGE
#define M_SAVE_DP SAVE_POINTERS
#define M_RESTORE_DP RESTORE_POINTERS
#define M_DISCONNECT DISCONNECT
#define M_ID_ERROR INITIATOR_ERROR
#define M_ABORT ABORT_TASK_SET
#define M_REJECT MESSAGE_REJECT
#define M_NOOP NOP
#define M_PARITY MSG_PARITY_ERROR
#define M_LCOMPLETE LINKED_CMD_COMPLETE
#define M_FCOMPLETE LINKED_FLG_CMD_COMPLETE
#define M_RESET TARGET_RESET
#define M_ABORT_TAG ABORT_TASK
#define M_CLEAR_QUEUE CLEAR_TASK_SET
#define M_INIT_REC INITIATE_RECOVERY
#define M_REL_REC RELEASE_RECOVERY
#define M_TERMINATE (0x11)
#define M_SIMPLE_TAG SIMPLE_QUEUE_TAG
#define M_HEAD_TAG HEAD_OF_QUEUE_TAG
#define M_ORDERED_TAG ORDERED_QUEUE_TAG
#define M_IGN_RESIDUE IGNORE_WIDE_RESIDUE
#define M_X_MODIFY_DP EXTENDED_MODIFY_DATA_POINTER
#define M_X_SYNC_REQ EXTENDED_SDTR
#define M_X_WIDE_REQ EXTENDED_WDTR
#define M_X_PPR_REQ EXTENDED_PPR
/*
* PPR protocol options
*/
#define PPR_OPT_IU (0x01)
#define PPR_OPT_DT (0x02)
#define PPR_OPT_QAS (0x04)
#define PPR_OPT_MASK (0x07)
/*
* Status
*/
#define S_GOOD SAM_STAT_GOOD
#define S_CHECK_COND SAM_STAT_CHECK_CONDITION
#define S_COND_MET SAM_STAT_CONDITION_MET
#define S_BUSY SAM_STAT_BUSY
#define S_INT SAM_STAT_INTERMEDIATE
#define S_INT_COND_MET SAM_STAT_INTERMEDIATE_CONDITION_MET
#define S_CONFLICT SAM_STAT_RESERVATION_CONFLICT
#define S_TERMINATED SAM_STAT_COMMAND_TERMINATED
#define S_QUEUE_FULL SAM_STAT_TASK_SET_FULL
#define S_ILLEGAL (0xff)
#endif /* defined SYM_DEFS_H */
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