bppreg.h 4.3 KB

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  1. /* $OpenBSD: bppreg.h,v 1.3 2008/06/26 05:42:18 ray Exp $ */
  2. /* $NetBSD: bppreg.h,v 1.1 1998/09/21 21:20:48 pk Exp $ */
  3. /*-
  4. * Copyright (c) 1998 The NetBSD Foundation, Inc.
  5. * All rights reserved.
  6. *
  7. * This code is derived from software contributed to The NetBSD Foundation
  8. * by Paul Kranenburg.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in the
  17. * documentation and/or other materials provided with the distribution.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20. * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21. * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29. * POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. /* Hardware Configuration Register */
  32. #define BPP_HCR_DSS_MASK 0x003f /* Data before strobe */
  33. #define BPP_HCR_DSS_SHFT 0 /* (in SBus clocks)*/
  34. #define BPP_HCR_DSW_MASK 0x7f00 /* Data Strobe Width */
  35. #define BPP_HCR_DSW_SHFT 8 /* (in SBus clocks)*/
  36. #define BPP_HCR_TEST 0x8000 /* */
  37. /* Operation Configuration Register */
  38. #define BPP_OCR_IDLE 0x0008 /* State machines are idle */
  39. #define BPP_OCR_SRST 0x0080 /* Reset bit */
  40. #define BPP_OCR_ACK_OP 0x0100 /* ACK handshake operation */
  41. #define BPP_OCR_BUSY_OP 0x0200 /* BUSY handshake operation */
  42. #define BPP_OCR_EN_DIAG 0x0400 /* */
  43. #define BPP_OCR_ACK_DSEL 0x0800 /* ack line is bidirectional */
  44. #define BPP_OCR_BUSY_DSEL 0x1000 /* busy line is bidirectional */
  45. #define BPP_OCR_DS_DSEL 0x2000 /* data strobe line is bidirectional */
  46. #define BPP_OCR_DATA_SRC 0x4000 /* Data source for `memory clear' */
  47. #define BPP_OCR_MEM_SRC 0x8000 /* Enable `memory clear' */
  48. /* Transfer Control Register */
  49. #define BPP_TCR_DS 0x01 /* Data Strobe */
  50. #define BPP_TCR_ACK 0x02 /* Acknowledge */
  51. #define BPP_TCR_BUSY 0x04 /* Busy */
  52. #define BPP_TCR_DIR 0x08 /* Direction control */
  53. /* Output Register */
  54. #define BPP_OR_SLCTIN 0x01 /* Select */
  55. #define BPP_OR_AFXN 0x02 /* Auto Feed */
  56. #define BPP_OR_INIT 0x04 /* Initialize */
  57. /* Input Register (read-only) */
  58. #define BPP_IR_ERR 0x01 /* Err input pin */
  59. #define BPP_IR_SLCT 0x02 /* Select input pin */
  60. #define BPP_IR_PE 0x04 /* Paper Out input pin */
  61. /* Interrupt Control Register */
  62. #define BPP_ERR_IRQ_EN 0x0001 /* Error interrupt enable */
  63. #define BPP_ERR_IRP 0x0002 /* ERR interrupt polarity */
  64. #define BPP_SLCT_IRQ_EN 0x0004 /* Select interrupt enable */
  65. #define BPP_SLCT_IRP 0x0008 /* Select interrupt polarity */
  66. #define BPP_PE_IRQ_EN 0x0010 /* Paper Empty interrupt enable */
  67. #define BPP_PE_IRP 0x0020 /* PE interrupt polarity */
  68. #define BPP_BUSY_IRQ_EN 0x0040 /* BUSY interrupt enable */
  69. #define BPP_BUSY_IRP 0x0080 /* BUSY interrupt polarity */
  70. #define BPP_ACK_IRQ_EN 0x0100 /* ACK interrupt enable */
  71. #define BPP_DS_IRQ_EN 0x0200 /* Data Strobe interrupt enable */
  72. #define BPP_ERR_IRQ 0x0400 /* ERR interrupt pending */
  73. #define BPP_SLCT_IRQ 0x0800 /* SLCT interrupt pending */
  74. #define BPP_PE_IRQ 0x1000 /* PE interrupt pending */
  75. #define BPP_BUSY_IRQ 0x2000 /* BUSY interrupt pending */
  76. #define BPP_ACK_IRQ 0x4000 /* ACK interrupt pending */
  77. #define BPP_DS_IRQ 0x8000 /* DS interrupt pending */
  78. /* Define mask for each of all irq request, all polarity and all enable bits */
  79. #define BPP_ALLIRQ (BPP_ERR_IRQ|BPP_SLCT_IRQ|BPP_PE_IRQ| \
  80. BPP_BUSY_IRQ|BPP_ACK_IRQ|BPP_DS_IRQ)
  81. #define BPP_ALLEN (BPP_ERR_IRQ_EN|BPP_SLCT_IRQ_EN| \
  82. BPP_PE_IRQ_EN|BPP_BUSY_IRQ_EN| \
  83. BPP_ACK_IRQ_EN|BPP_DS_IRQ_EN)
  84. #define BPP_ALLIRP (BPP_ERR_IRP|BPP_PE_IRP|BPP_BUSY_IRP)