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/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* SPDX-License-Identifier: GPL-2.0+
*
* Most of these definitions are derived from
* linux/drivers/scsi/sym53c8xx_defs.h
*/
#ifndef _SYM53C8XX_DEFS_H
#define _SYM53C8XX_DEFS_H
#define SCNTL0 0x00 /* full arb., ena parity, par->ATN */
#define SCNTL1 0x01 /* no reset */
#define ISCON 0x10 /* connected to scsi */
#define CRST 0x08 /* force reset */
#define IARB 0x02 /* immediate arbitration */
#define SCNTL2 0x02 /* 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]*/
#define SCNTL3 0x03 /* 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 */
#define SCID 0x04 /* 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 */
#define SXFER 0x05 /* ### Sync speed and count */
/* bits 6-7 rsvd for C1010 */
#define SDID 0x06 /* ### Destination-ID */
#define GPREG 0x07 /* ??? IO-Pins */
#define SFBR 0x08 /* ### First byte in phase */
#define SOCL 0x09
#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 */
#define SSID 0x0a
#define SBCL 0x0b
#define DSTAT 0x0c
#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. */
#define SSTAT0 0x0d
#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 */
#define SSTAT1 0x0e
#define FF3210 0xf0 /* sta: bytes in the scsi fifo */
#define SSTAT2 0x0f
#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 */
#define DSA 0x10 /* --> Base page */
#define DSA1 0x11
#define DSA2 0x12
#define DSA3 0x13
#define ISTAT 0x14 /* --> 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 ncr */
#define SEM 0x10 /* r/w: message between host + ncr */
#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 */
#define CTEST0 0x18
#define CTEST1 0x19
#define CTEST2 0x1a
#define CSIGP 0x40
/* bits 0-2,7 rsvd for C1010 */
#define CTEST3 0x1b
#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 */
#define DFIFO 0x20
#define CTEST4 0x21
#define BDIS 0x80 /* mod: burst disable */
#define MPEE 0x08 /* mod: master parity error enable */
#define CTEST5 0x22
#define DFS 0x20 /* mod: dma fifo size */
/* bits 0-1, 3-7 rsvd for C1010 */
#define CTEST6 0x23
#define DBC 0x24 /* ### Byte count and command */
#define DNAD 0x28 /* ### Next command register */
#define DSP 0x2c /* --> Script Pointer */
#define DSPS 0x30 /* --> Script pointer save/opcode#2 */
#define SCRATCHA 0x34 /* Temporary register a */
#define SCRATCHA1 0x35
#define SCRATCHA2 0x36
#define SCRATCHA3 0x37
#define DMODE 0x38
#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 */
#define MAN 0x01 /* mod: manual start */
#define DIEN 0x39
#define SBR 0x3a
#define DCNTL 0x3b /* --> 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 */
#define ADDER 0x3c
#define SIEN 0x40 /* -->: interrupt enable */
#define SIST 0x42 /* <--: 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 */
#define SLPAR 0x44
#define SWIDE 0x45
#define MACNTL 0x46
#define GPCNTL 0x47
#define STIME0 0x48 /* cmd: timeout for select&handshake*/
#define STIME1 0x49 /* cmd: timeout user defined */
#define RESPID 0x4a /* sta: Reselect-IDs */
#define STEST0 0x4c
#define STEST1 0x4d
#define SCLK 0x80 /* Use the PCI clock as SCSI clock */
#define DBLEN 0x08 /* clock doubler running */
#define DBLSEL 0x04 /* clock doubler selected */
#define STEST2 0x4e
#define ROF 0x40 /* reset scsi offset (after gross error!) */
#define EXT 0x02 /* extended filtering */
#define STEST3 0x4f
#define TE 0x80 /* c: tolerAnt enable */
#define HSC 0x20 /* c: Halt SCSI Clock */
#define CSF 0x02 /* c: clear scsi fifo */
#define SIDL 0x50 /* Lowlevel: latched from scsi data */
#define STEST4 0x52
#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 */
#define SODL 0x54 /* Lowlevel: data out to scsi data */
#define SBDL 0x58 /* Lowlevel: data from scsi data */
/*-----------------------------------------------------------
**
** Utility macros for the script.
**
**-----------------------------------------------------------
*/
#define REG(r) (r)
/*-----------------------------------------------------------
**
** SCSI phases
**
** DT phases illegal for ncr driver.
**
**-----------------------------------------------------------
*/
#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
#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)
/*-----------------------------------------------------------
**
** 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
#define SCR_JMP_REL 0x04000000
#define SCR_ID(id) (((unsigned long)(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
/*-----------------------------------------------------------
**
** 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,
** ncr_copy_and_bind() 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 810A, 860, 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)
#define SIR_COMPLETE 0x10000000
/* script errors */
#define SIR_SEL_ATN_NO_MSG_OUT 0x00000001
#define SIR_CMD_OUT_ILL_PH 0x00000002
#define SIR_STATUS_ILL_PH 0x00000003
#define SIR_MSG_RECEIVED 0x00000004
#define SIR_DATA_IN_ERR 0x00000005
#define SIR_DATA_OUT_ERR 0x00000006
#define SIR_SCRIPT_ERROR 0x00000007
#define SIR_MSG_OUT_NO_CMD 0x00000008
#define SIR_MSG_OVER7 0x00000009
/* Fly interrupt */
#define INT_ON_FY 0x00000080
/* Hardware errors are defined in scsi.h */
#define SCSI_IDENTIFY 0xC0
#endif
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