xref: /openbmc/linux/drivers/pcmcia/cirrus.h (revision f052febd)
1 /*
2  * cirrus.h 1.4 1999/10/25 20:03:34
3  *
4  * The contents of this file are subject to the Mozilla Public License
5  * Version 1.1 (the "License"); you may not use this file except in
6  * compliance with the License. You may obtain a copy of the License
7  * at http://www.mozilla.org/MPL/
8  *
9  * Software distributed under the License is distributed on an "AS IS"
10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
11  * the License for the specific language governing rights and
12  * limitations under the License.
13  *
14  * The initial developer of the original code is David A. Hinds
15  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
16  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
17  *
18  * Alternatively, the contents of this file may be used under the
19  * terms of the GNU General Public License version 2 (the "GPL"), in which
20  * case the provisions of the GPL are applicable instead of the
21  * above.  If you wish to allow the use of your version of this file
22  * only under the terms of the GPL and not to allow others to use
23  * your version of this file under the MPL, indicate your decision by
24  * deleting the provisions above and replace them with the notice and
25  * other provisions required by the GPL.  If you do not delete the
26  * provisions above, a recipient may use your version of this file
27  * under either the MPL or the GPL.
28  */
29 
30 #ifndef _LINUX_CIRRUS_H
31 #define _LINUX_CIRRUS_H
32 
33 #define PD67_MISC_CTL_1		0x16	/* Misc control 1 */
34 #define PD67_FIFO_CTL		0x17	/* FIFO control */
35 #define PD67_MISC_CTL_2		0x1E	/* Misc control 2 */
36 #define PD67_CHIP_INFO		0x1f	/* Chip information */
37 #define PD67_ATA_CTL		0x026	/* 6730: ATA control */
38 #define PD67_EXT_INDEX		0x2e	/* Extension index */
39 #define PD67_EXT_DATA		0x2f	/* Extension data */
40 
41 /* PD6722 extension registers -- indexed in PD67_EXT_INDEX */
42 #define PD67_DATA_MASK0		0x01	/* Data mask 0 */
43 #define PD67_DATA_MASK1		0x02	/* Data mask 1 */
44 #define PD67_DMA_CTL		0x03	/* DMA control */
45 
46 /* PD6730 extension registers -- indexed in PD67_EXT_INDEX */
47 #define PD67_EXT_CTL_1		0x03	/* Extension control 1 */
48 #define PD67_MEM_PAGE(n)	((n)+5)	/* PCI window bits 31:24 */
49 #define PD67_EXTERN_DATA	0x0a
50 #define PD67_MISC_CTL_3		0x25
51 #define PD67_SMB_PWR_CTL	0x26
52 
53 /* I/O window address offset */
54 #define PD67_IO_OFF(w)		(0x36+((w)<<1))
55 
56 /* Timing register sets */
57 #define PD67_TIME_SETUP(n)	(0x3a + 3*(n))
58 #define PD67_TIME_CMD(n)	(0x3b + 3*(n))
59 #define PD67_TIME_RECOV(n)	(0x3c + 3*(n))
60 
61 /* Flags for PD67_MISC_CTL_1 */
62 #define PD67_MC1_5V_DET		0x01	/* 5v detect */
63 #define PD67_MC1_MEDIA_ENA	0x01	/* 6730: Multimedia enable */
64 #define PD67_MC1_VCC_3V		0x02	/* 3.3v Vcc */
65 #define PD67_MC1_PULSE_MGMT	0x04
66 #define PD67_MC1_PULSE_IRQ	0x08
67 #define PD67_MC1_SPKR_ENA	0x10
68 #define PD67_MC1_INPACK_ENA	0x80
69 
70 /* Flags for PD67_FIFO_CTL */
71 #define PD67_FIFO_EMPTY		0x80
72 
73 /* Flags for PD67_MISC_CTL_2 */
74 #define PD67_MC2_FREQ_BYPASS	0x01
75 #define PD67_MC2_DYNAMIC_MODE	0x02
76 #define PD67_MC2_SUSPEND	0x04
77 #define PD67_MC2_5V_CORE	0x08
78 #define PD67_MC2_LED_ENA	0x10	/* IRQ 12 is LED enable */
79 #define PD67_MC2_FAST_PCI	0x10	/* 6729: PCI bus > 25 MHz */
80 #define PD67_MC2_3STATE_BIT7	0x20	/* Floppy change bit */
81 #define PD67_MC2_DMA_MODE	0x40
82 #define PD67_MC2_IRQ15_RI	0x80	/* IRQ 15 is ring enable */
83 
84 /* Flags for PD67_CHIP_INFO */
85 #define PD67_INFO_SLOTS		0x20	/* 0 = 1 slot, 1 = 2 slots */
86 #define PD67_INFO_CHIP_ID	0xc0
87 #define PD67_INFO_REV		0x1c
88 
89 /* Fields in PD67_TIME_* registers */
90 #define PD67_TIME_SCALE		0xc0
91 #define PD67_TIME_SCALE_1	0x00
92 #define PD67_TIME_SCALE_16	0x40
93 #define PD67_TIME_SCALE_256	0x80
94 #define PD67_TIME_SCALE_4096	0xc0
95 #define PD67_TIME_MULT		0x3f
96 
97 /* Fields in PD67_DMA_CTL */
98 #define PD67_DMA_MODE		0xc0
99 #define PD67_DMA_OFF		0x00
100 #define PD67_DMA_DREQ_INPACK	0x40
101 #define PD67_DMA_DREQ_WP	0x80
102 #define PD67_DMA_DREQ_BVD2	0xc0
103 #define PD67_DMA_PULLUP		0x20	/* Disable socket pullups? */
104 
105 /* Fields in PD67_EXT_CTL_1 */
106 #define PD67_EC1_VCC_PWR_LOCK	0x01
107 #define PD67_EC1_AUTO_PWR_CLEAR	0x02
108 #define PD67_EC1_LED_ENA	0x04
109 #define PD67_EC1_INV_CARD_IRQ	0x08
110 #define PD67_EC1_INV_MGMT_IRQ	0x10
111 #define PD67_EC1_PULLUP_CTL	0x20
112 
113 /* Fields in PD67_MISC_CTL_3 */
114 #define PD67_MC3_IRQ_MASK	0x03
115 #define PD67_MC3_IRQ_PCPCI	0x00
116 #define PD67_MC3_IRQ_EXTERN	0x01
117 #define PD67_MC3_IRQ_PCIWAY	0x02
118 #define PD67_MC3_IRQ_PCI	0x03
119 #define PD67_MC3_PWR_MASK	0x0c
120 #define PD67_MC3_PWR_SERIAL	0x00
121 #define PD67_MC3_PWR_TI2202	0x08
122 #define PD67_MC3_PWR_SMB	0x0c
123 
124 /* Register definitions for Cirrus PD6832 PCI-to-CardBus bridge */
125 
126 /* PD6832 extension registers -- indexed in PD67_EXT_INDEX */
127 #define PD68_EXT_CTL_2			0x0b
128 #define PD68_PCI_SPACE			0x22
129 #define PD68_PCCARD_SPACE		0x23
130 #define PD68_WINDOW_TYPE		0x24
131 #define PD68_EXT_CSC			0x2e
132 #define PD68_MISC_CTL_4			0x2f
133 #define PD68_MISC_CTL_5			0x30
134 #define PD68_MISC_CTL_6			0x31
135 
136 /* Extra flags in PD67_MISC_CTL_3 */
137 #define PD68_MC3_HW_SUSP		0x10
138 #define PD68_MC3_MM_EXPAND		0x40
139 #define PD68_MC3_MM_ARM			0x80
140 
141 /* Bridge Control Register */
142 #define  PD6832_BCR_MGMT_IRQ_ENA	0x0800
143 
144 /* Socket Number Register */
145 #define PD6832_SOCKET_NUMBER		0x004c	/* 8 bit */
146 
147 #endif /* _LINUX_CIRRUS_H */
148