linux/drivers/scsi/fdomain.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2
   3#define FDOMAIN_REGION_SIZE     0x10
   4#define FDOMAIN_BIOS_SIZE       0x2000
   5
   6enum {
   7        in_arbitration  = 0x02,
   8        in_selection    = 0x04,
   9        in_other        = 0x08,
  10        disconnect      = 0x10,
  11        aborted         = 0x20,
  12        sent_ident      = 0x40,
  13};
  14
  15/* (@) = not present on TMC1800, (#) = not present on TMC1800 and TMC18C50 */
  16#define REG_SCSI_DATA           0       /* R/W: SCSI Data (with ACK) */
  17#define REG_BSTAT               1       /* R: SCSI Bus Status */
  18#define         BSTAT_BSY       BIT(0)   /* Busy */
  19#define         BSTAT_MSG       BIT(1)   /* Message */
  20#define         BSTAT_IO        BIT(2)   /* Input/Output */
  21#define         BSTAT_CMD       BIT(3)   /* Command/Data */
  22#define         BSTAT_REQ       BIT(4)   /* Request and Not Ack */
  23#define         BSTAT_SEL       BIT(5)   /* Select */
  24#define         BSTAT_ACK       BIT(6)   /* Acknowledge and Request */
  25#define         BSTAT_ATN       BIT(7)   /* Attention */
  26#define REG_BCTL                1       /* W: SCSI Bus Control */
  27#define         BCTL_RST        BIT(0)   /* Bus Reset */
  28#define         BCTL_SEL        BIT(1)   /* Select */
  29#define         BCTL_BSY        BIT(2)   /* Busy */
  30#define         BCTL_ATN        BIT(3)   /* Attention */
  31#define         BCTL_IO         BIT(4)   /* Input/Output */
  32#define         BCTL_CMD        BIT(5)   /* Command/Data */
  33#define         BCTL_MSG        BIT(6)   /* Message */
  34#define         BCTL_BUSEN      BIT(7)   /* Enable bus drivers */
  35#define REG_ASTAT               2       /* R: Adapter Status 1 */
  36#define         ASTAT_IRQ       BIT(0)   /* Interrupt active */
  37#define         ASTAT_ARB       BIT(1)   /* Arbitration complete */
  38#define         ASTAT_PARERR    BIT(2)   /* Parity error */
  39#define         ASTAT_RST       BIT(3)   /* SCSI reset occurred */
  40#define         ASTAT_FIFODIR   BIT(4)   /* FIFO direction */
  41#define         ASTAT_FIFOEN    BIT(5)   /* FIFO enabled */
  42#define         ASTAT_PAREN     BIT(6)   /* Parity enabled */
  43#define         ASTAT_BUSEN     BIT(7)   /* Bus drivers enabled */
  44#define REG_ICTL                2       /* W: Interrupt Control */
  45#define         ICTL_FIFO_MASK  0x0f     /* FIFO threshold, 1/16 FIFO size */
  46#define         ICTL_FIFO       BIT(4)   /* Int. on FIFO count */
  47#define         ICTL_ARB        BIT(5)   /* Int. on Arbitration complete */
  48#define         ICTL_SEL        BIT(6)   /* Int. on SCSI Select */
  49#define         ICTL_REQ        BIT(7)   /* Int. on SCSI Request */
  50#define REG_FSTAT               3       /* R: Adapter Status 2 (FIFO) - (@) */
  51#define         FSTAT_ONOTEMPTY BIT(0)   /* Output FIFO not empty */
  52#define         FSTAT_INOTEMPTY BIT(1)   /* Input FIFO not empty */
  53#define         FSTAT_NOTEMPTY  BIT(2)   /* Main FIFO not empty */
  54#define         FSTAT_NOTFULL   BIT(3)   /* Main FIFO not full */
  55#define REG_MCTL                3       /* W: SCSI Data Mode Control */
  56#define         MCTL_ACK_MASK   0x0f     /* Acknowledge period */
  57#define         MCTL_ACTDEASS   BIT(4)   /* Active deassert of REQ and ACK */
  58#define         MCTL_TARGET     BIT(5)   /* Enable target mode */
  59#define         MCTL_FASTSYNC   BIT(6)   /* Enable Fast Synchronous */
  60#define         MCTL_SYNC       BIT(7)   /* Enable Synchronous */
  61#define REG_INTCOND             4       /* R: Interrupt Condition - (@) */
  62#define         IRQ_FIFO        BIT(1)   /* FIFO interrupt */
  63#define         IRQ_REQ         BIT(2)   /* SCSI Request interrupt */
  64#define         IRQ_SEL         BIT(3)   /* SCSI Select interrupt */
  65#define         IRQ_ARB         BIT(4)   /* SCSI Arbitration interrupt */
  66#define         IRQ_RST         BIT(5)   /* SCSI Reset interrupt */
  67#define         IRQ_FORCED      BIT(6)   /* Forced interrupt */
  68#define         IRQ_TIMEOUT     BIT(7)   /* Bus timeout */
  69#define REG_ACTL                4       /* W: Adapter Control 1 */
  70#define         ACTL_RESET      BIT(0)   /* Reset FIFO, parity, reset int. */
  71#define         ACTL_FIRQ       BIT(1)   /* Set Forced interrupt */
  72#define         ACTL_ARB        BIT(2)   /* Initiate Bus Arbitration */
  73#define         ACTL_PAREN      BIT(3)   /* Enable SCSI Parity */
  74#define         ACTL_IRQEN      BIT(4)   /* Enable interrupts */
  75#define         ACTL_CLRFIRQ    BIT(5)   /* Clear Forced interrupt */
  76#define         ACTL_FIFOWR     BIT(6)   /* FIFO Direction (1=write) */
  77#define         ACTL_FIFOEN     BIT(7)   /* Enable FIFO */
  78#define REG_ID_LSB              5       /* R: ID Code (LSB) */
  79#define REG_ACTL2               5       /* Adapter Control 2 - (@) */
  80#define         ACTL2_RAMOVRLY  BIT(0)   /* Enable RAM overlay */
  81#define         ACTL2_SLEEP     BIT(7)   /* Sleep mode */
  82#define REG_ID_MSB              6       /* R: ID Code (MSB) */
  83#define REG_LOOPBACK            7       /* R/W: Loopback */
  84#define REG_SCSI_DATA_NOACK     8       /* R/W: SCSI Data (no ACK) */
  85#define REG_ASTAT3              9       /* R: Adapter Status 3 */
  86#define         ASTAT3_ACTDEASS BIT(0)   /* Active deassert enabled */
  87#define         ASTAT3_RAMOVRLY BIT(1)   /* RAM overlay enabled */
  88#define         ASTAT3_TARGERR  BIT(2)   /* Target error */
  89#define         ASTAT3_IRQEN    BIT(3)   /* Interrupts enabled */
  90#define         ASTAT3_IRQMASK  0xf0     /* Enabled interrupts mask */
  91#define REG_CFG1                10      /* R: Configuration Register 1 */
  92#define         CFG1_BUS        BIT(0)   /* 0 = ISA */
  93#define         CFG1_IRQ_MASK   0x0e     /* IRQ jumpers */
  94#define         CFG1_IO_MASK    0x30     /* I/O base jumpers */
  95#define         CFG1_BIOS_MASK  0xc0     /* BIOS base jumpers */
  96#define REG_CFG2                11      /* R/W: Configuration Register 2 (@) */
  97#define         CFG2_ROMDIS     BIT(0)   /* ROM disabled */
  98#define         CFG2_RAMDIS     BIT(1)   /* RAM disabled */
  99#define         CFG2_IRQEDGE    BIT(2)   /* Edge-triggered interrupts */
 100#define         CFG2_NOWS       BIT(3)   /* No wait states */
 101#define         CFG2_32BIT      BIT(7)   /* 32-bit mode */
 102#define REG_FIFO                12      /* R/W: FIFO */
 103#define REG_FIFO_COUNT          14      /* R: FIFO Data Count */
 104
 105#ifdef CONFIG_PM_SLEEP
 106static const struct dev_pm_ops __maybe_unused fdomain_pm_ops;
 107#define FDOMAIN_PM_OPS  (&fdomain_pm_ops)
 108#else
 109#define FDOMAIN_PM_OPS  NULL
 110#endif /* CONFIG_PM_SLEEP */
 111
 112struct Scsi_Host *fdomain_create(int base, int irq, int this_id,
 113                                 struct device *dev);
 114int fdomain_destroy(struct Scsi_Host *sh);
 115