xref: /openbmc/linux/include/pcmcia/cisreg.h (revision a44e4f3a)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * cisreg.h
4  *
5  * The initial developer of the original code is David A. Hinds
6  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
7  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
8  *
9  * (C) 1999             David A. Hinds
10  */
11 
12 #ifndef _LINUX_CISREG_H
13 #define _LINUX_CISREG_H
14 
15 /*
16  * Offsets from ConfigBase for CIS registers
17  */
18 #define CISREG_COR		0x00
19 #define CISREG_CCSR		0x02
20 #define CISREG_PRR		0x04
21 #define CISREG_SCR		0x06
22 #define CISREG_ESR		0x08
23 #define CISREG_IOBASE_0		0x0a
24 #define CISREG_IOBASE_1		0x0c
25 #define CISREG_IOBASE_2		0x0e
26 #define CISREG_IOBASE_3		0x10
27 #define CISREG_IOSIZE		0x12
28 
29 /*
30  * Configuration Option Register
31  */
32 #define COR_CONFIG_MASK		0x3f
33 #define COR_MFC_CONFIG_MASK	0x38
34 #define COR_FUNC_ENA		0x01
35 #define COR_ADDR_DECODE		0x02
36 #define COR_IREQ_ENA		0x04
37 #define COR_LEVEL_REQ		0x40
38 #define COR_SOFT_RESET		0x80
39 
40 /*
41  * Card Configuration and Status Register
42  */
43 #define CCSR_INTR_ACK		0x01
44 #define CCSR_INTR_PENDING	0x02
45 #define CCSR_POWER_DOWN		0x04
46 #define CCSR_AUDIO_ENA		0x08
47 #define CCSR_IOIS8		0x20
48 #define CCSR_SIGCHG_ENA		0x40
49 #define CCSR_CHANGED		0x80
50 
51 /*
52  * Pin Replacement Register
53  */
54 #define PRR_WP_STATUS		0x01
55 #define PRR_READY_STATUS	0x02
56 #define PRR_BVD2_STATUS		0x04
57 #define PRR_BVD1_STATUS		0x08
58 #define PRR_WP_EVENT		0x10
59 #define PRR_READY_EVENT		0x20
60 #define PRR_BVD2_EVENT		0x40
61 #define PRR_BVD1_EVENT		0x80
62 
63 /*
64  * Socket and Copy Register
65  */
66 #define SCR_SOCKET_NUM		0x0f
67 #define SCR_COPY_NUM		0x70
68 
69 /*
70  * Extended Status Register
71  */
72 #define ESR_REQ_ATTN_ENA	0x01
73 #define ESR_REQ_ATTN		0x10
74 
75 /*
76  * CardBus Function Status Registers
77  */
78 #define CBFN_EVENT		0x00
79 #define CBFN_MASK		0x04
80 #define CBFN_STATE		0x08
81 #define CBFN_FORCE		0x0c
82 
83 /*
84  * These apply to all the CardBus function registers
85  */
86 #define CBFN_WP			0x0001
87 #define CBFN_READY		0x0002
88 #define CBFN_BVD2		0x0004
89 #define CBFN_BVD1		0x0008
90 #define CBFN_GWAKE		0x0010
91 #define CBFN_INTR		0x8000
92 
93 /*
94  * Extra bits in the Function Event Mask Register
95  */
96 #define FEMR_BAM_ENA		0x0020
97 #define FEMR_PWM_ENA		0x0040
98 #define FEMR_WKUP_MASK		0x4000
99 
100 /*
101  * Indirect Addressing Registers for Zoomed Video: these are addresses
102  * in common memory space
103  */
104 #define CISREG_ICTRL0		0x02	/* control registers */
105 #define CISREG_ICTRL1		0x03
106 #define CISREG_IADDR0		0x04	/* address registers */
107 #define CISREG_IADDR1		0x05
108 #define CISREG_IADDR2		0x06
109 #define CISREG_IADDR3		0x07
110 #define CISREG_IDATA0		0x08	/* data registers */
111 #define CISREG_IDATA1		0x09
112 
113 #define ICTRL0_COMMON		0x01
114 #define ICTRL0_AUTOINC		0x02
115 #define ICTRL0_BYTEGRAN		0x04
116 
117 #endif /* _LINUX_CISREG_H */
118