drivers/scsi/fdomain.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #define FDOMAIN_REGION_SIZE     0x10
   4 #define FDOMAIN_BIOS_SIZE       0x2000
   5
   6 enum {
   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
 106 static 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
 112 struct Scsi_Host *fdomain_create(int base, int irq, int this_id,
 113                                  struct device *dev);
 114 int fdomain_destroy(struct Scsi_Host *sh);