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