summaryrefslogtreecommitdiff
path: root/drivers/pcmcia/yenta_socket.h
blob: efeed19e28c7583c5090e154c47b316fe1e2f6a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __YENTA_H
#define __YENTA_H

#include <asm/io.h>

#define CB_SOCKET_EVENT		0x00
#define    CB_CSTSEVENT		0x00000001	/* Card status event */
#define    CB_CD1EVENT		0x00000002	/* Card detect 1 change event */
#define    CB_CD2EVENT		0x00000004	/* Card detect 2 change event */
#define    CB_PWREVENT		0x00000008	/* PWRCYCLE change event */

#define CB_SOCKET_MASK		0x04
#define    CB_CSTSMASK		0x00000001	/* Card status mask */
#define    CB_CDMASK		0x00000006	/* Card detect 1&2 mask */
#define    CB_PWRMASK		0x00000008	/* PWRCYCLE change mask */

#define CB_SOCKET_STATE		0x08
#define    CB_CARDSTS		0x00000001	/* CSTSCHG status */
#define    CB_CDETECT1		0x00000002	/* Card detect status 1 */
#define    CB_CDETECT2		0x00000004	/* Card detect status 2 */
#define    CB_PWRCYCLE		0x00000008	/* Socket powered */
#define    CB_16BITCARD		0x00000010	/* 16-bit card detected */
#define    CB_CBCARD		0x00000020	/* CardBus card detected */
#define    CB_IREQCINT		0x00000040	/* READY(xIRQ)/xCINT high */
#define    CB_NOTACARD		0x00000080	/* Unrecognizable PC card detected */
#define    CB_DATALOST		0x00000100	/* Potential data loss due to card removal */
#define    CB_BADVCCREQ		0x00000200	/* Invalid Vcc request by host software */
#define    CB_5VCARD		0x00000400	/* Card Vcc at 5.0 volts? */
#define    CB_3VCARD		0x00000800	/* Card Vcc at 3.3 volts? */
#define    CB_XVCARD		0x00001000	/* Card Vcc at X.X volts? */
#define    CB_YVCARD		0x00002000	/* Card Vcc at Y.Y volts? */
#define    CB_5VSOCKET		0x10000000	/* Socket Vcc at 5.0 volts? */
#define    CB_3VSOCKET		0x20000000	/* Socket Vcc at 3.3 volts? */
#define    CB_XVSOCKET		0x40000000	/* Socket Vcc at X.X volts? */
#define    CB_YVSOCKET		0x80000000	/* Socket Vcc at Y.Y volts? */

#define CB_SOCKET_FORCE		0x0C
#define    CB_FCARDSTS		0x00000001	/* Force CSTSCHG */
#define    CB_FCDETECT1		0x00000002	/* Force CD1EVENT */
#define    CB_FCDETECT2		0x00000004	/* Force CD2EVENT */
#define    CB_FPWRCYCLE		0x00000008	/* Force PWREVENT */
#define    CB_F16BITCARD	0x00000010	/* Force 16-bit PCMCIA card */
#define    CB_FCBCARD		0x00000020	/* Force CardBus line */
#define    CB_FNOTACARD		0x00000080	/* Force NOTACARD */
#define    CB_FDATALOST		0x00000100	/* Force data lost */
#define    CB_FBADVCCREQ	0x00000200	/* Force bad Vcc request */
#define    CB_F5VCARD		0x00000400	/* Force 5.0 volt card */
#define    CB_F3VCARD		0x00000800	/* Force 3.3 volt card */
#define    CB_FXVCARD		0x00001000	/* Force X.X volt card */
#define    CB_FYVCARD		0x00002000	/* Force Y.Y volt card */
#define    CB_CVSTEST		0x00004000	/* Card VS test */

#define CB_SOCKET_CONTROL	0x10
#define  CB_SC_VPP_MASK		0x00000007
#define   CB_SC_VPP_OFF		0x00000000
#define   CB_SC_VPP_12V		0x00000001
#define   CB_SC_VPP_5V		0x00000002
#define   CB_SC_VPP_3V		0x00000003
#define   CB_SC_VPP_XV		0x00000004
#define   CB_SC_VPP_YV		0x00000005
#define  CB_SC_VCC_MASK		0x00000070
#define   CB_SC_VCC_OFF		0x00000000
#define   CB_SC_VCC_5V		0x00000020
#define   CB_SC_VCC_3V		0x00000030
#define   CB_SC_VCC_XV		0x00000040
#define   CB_SC_VCC_YV		0x00000050
#define  CB_SC_CCLK_STOP	0x00000080

#define CB_SOCKET_POWER		0x20
#define    CB_SKTACCES		0x02000000	/* A PC card access has occurred (clear on read) */
#define    CB_SKTMODE		0x01000000	/* Clock frequency has changed (clear on read) */
#define    CB_CLKCTRLEN		0x00010000	/* Clock control enabled (RW) */
#define    CB_CLKCTRL		0x00000001	/* Stop(0) or slow(1) CB clock (RW) */

/*
 * Cardbus configuration space
 */
#define CB_BRIDGE_BASE(m)	(0x1c + 8*(m))
#define CB_BRIDGE_LIMIT(m)	(0x20 + 8*(m))
#define CB_BRIDGE_CONTROL	0x3e
#define   CB_BRIDGE_CPERREN	0x00000001
#define   CB_BRIDGE_CSERREN	0x00000002
#define   CB_BRIDGE_ISAEN	0x00000004
#define   CB_BRIDGE_VGAEN	0x00000008
#define   CB_BRIDGE_MABTMODE	0x00000020
#define   CB_BRIDGE_CRST	0x00000040
#define   CB_BRIDGE_INTR	0x00000080
#define   CB_BRIDGE_PREFETCH0	0x00000100
#define   CB_BRIDGE_PREFETCH1	0x00000200
#define   CB_BRIDGE_POSTEN	0x00000400
#define CB_LEGACY_MODE_BASE	0x44

/*
 * ExCA area extensions in Yenta
 */
#define CB_MEM_PAGE(map)	(0x40 + (map))


/* control how 16bit cards are powered */
#define YENTA_16BIT_POWER_EXCA	0x00000001
#define YENTA_16BIT_POWER_DF	0x00000002


struct yenta_socket;

struct cardbus_type {
	int	(*override)(struct yenta_socket *);
	void	(*save_state)(struct yenta_socket *);
	void	(*restore_state)(struct yenta_socket *);
	int	(*sock_init)(struct yenta_socket *);
};

struct yenta_socket {
	struct pci_dev *dev;
	int cb_irq, io_irq;
	void __iomem *base;
	struct timer_list poll_timer;

	struct pcmcia_socket socket;
	struct cardbus_type *type;

	u32 flags;

	/* for PCI interrupt probing */
	unsigned int probe_status;

	/* A few words of private data for special stuff of overrides... */
	unsigned int private[8];

	/* PCI saved state */
	u32 saved_state[2];
};


#endif