1 /*	$OpenBSD: bppreg.h,v 1.3 2003/06/03 21:09:02 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, Jason Downs.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /*
29  * based on work by Stephen Williams, Gus Baldauf, and Peter Zaitcev
30  */
31 
32 /*
33  * BPP Register Block
34  */
35 struct bppregs {
36 
37 	volatile u_int32_t	bpp_csr;
38 	volatile u_int32_t	bpp_addr;
39 	volatile u_int32_t	bpp_bcnt;
40 	volatile u_int32_t	bpp_tst_csr;
41 
42 	volatile u_int16_t	bpp_hcr;
43 	volatile u_int16_t	bpp_ocr;
44 	volatile u_int8_t	bpp_dr;
45 	volatile u_int8_t	bpp_tcr;
46 	volatile u_int8_t	bpp_or;
47 	volatile u_int8_t	bpp_ir;
48 	volatile u_int16_t	bpp_icr;
49 };
50 
51 
52 #define BPP_DEV_ID_MASK		0xf0000000
53 #define BPP_DEV_ID_ZEBRA	0x40000000
54 #define BPP_DEV_ID_L64854	0xa0000000
55 #define BPP_NA_LOADED		0x08000000
56 #define BPP_A_LOADED		0x04000000
57 #define BPP_DMA_ON		0x02000000
58 #define BPP_EN_NEXT		0x01000000
59 #define BPP_TCI_DIS		0x00800000
60 #define BPP_DIAG		0x00100000
61 
62 #define BPP_BURST_SIZE		0x000c0000
63 #define BPP_BURST_8		0x00000000
64 #define BPP_BURST_4		0x00040000
65 #define BPP_BURST_1		0x00080000
66 #define BPP_TC			0x00004000
67 
68 #define BPP_EN_CNT		0x00002000
69 #define BPP_EN_DMA		0x00000200
70 #define BPP_WRITE		0x00000100
71 #define BPP_RESET		0x00000080
72 #define BPP_SLAVE_ERR		0x00000040
73 #define BPP_INVALIDATE		0x00000020
74 #define BPP_INT_EN		0x00000010
75 #define BPP_DRAINING		0x0000000c
76 
77 #define BPP_ERR_PEND		0x00000002
78 #define BPP_INT_PEND		0x00000001
79 
80 
81 #define BPP_HCR_TEST		0x8000
82 #define BPP_HCR_DSW		0x7f00
83 #define BPP_HCR_DDS		0x007f
84 
85 
86 #define BPP_OCR_MEM_CLR		0x8000
87 #define BPP_OCR_DATA_SRC	0x4000
88 #define BPP_OCR_DS_DSEL		0x2000
89 #define BPP_OCR_BUSY_DSEL	0x1000
90 #define BPP_OCR_ACK_DSEL	0x0800
91 #define BPP_OCR_EN_DIAG		0x0400
92 #define BPP_OCR_BUSY_OP		0x0200
93 #define BPP_OCR_ACK_OP		0x0100
94 #define BPP_OCR_SRST		0x0080
95 #define BPP_OCR_IDLE		0x0008
96 #define BPP_OCR_V_ILCK		0x0002
97 #define BPP_OCR_EN_VER		0x0001
98 
99 
100 #define BPP_TCR_DIR		0x08
101 #define BPP_TCR_BUSY		0x04
102 #define BPP_TCR_ACK		0x02
103 #define BPP_TCR_DS		0x01
104 
105 
106 #define BPP_OR_V3		0x20
107 #define BPP_OR_V2		0x10
108 #define BPP_OR_V1		0x08
109 #define BPP_OR_INIT		0x04
110 #define BPP_OR_AFXN		0x02
111 #define BPP_OR_SLCT_IN		0x01
112 
113 
114 #define BPP_IR_PE		0x04
115 #define BPP_IR_SLCT		0x02
116 #define BPP_IR_ERR		0x01
117 
118 
119 #define BPP_DS_IRQ		0x8000
120 #define BPP_ACK_IRQ		0x4000
121 #define BPP_BUSY_IRQ		0x2000
122 #define BPP_PE_IRQ		0x1000
123 #define BPP_SLCT_IRQ		0x0800
124 #define BPP_ERR_IRQ		0x0400
125 #define BPP_DS_IRQ_EN		0x0200
126 #define BPP_ACK_IRQ_EN		0x0100
127 #define BPP_BUSY_IRP		0x0080
128 #define BPP_BUSY_IRQ_EN		0x0040
129 #define BPP_PE_IRP		0x0020
130 #define BPP_PE_IRQ_EN		0x0010
131 #define BPP_SLCT_IRP		0x0008
132 #define BPP_SLCT_IRQ_EN		0x0004
133 #define BPP_ERR_IRP		0x0002
134 #define BPP_ERR_IRQ_EN		0x0001
135