yenta_socket.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __YENTA_H
  3#define __YENTA_H
  4
  5#include <asm/io.h>
  6
  7#define CB_SOCKET_EVENT		0x00
  8#define    CB_CSTSEVENT		0x00000001	/* Card status event */
  9#define    CB_CD1EVENT		0x00000002	/* Card detect 1 change event */
 10#define    CB_CD2EVENT		0x00000004	/* Card detect 2 change event */
 11#define    CB_PWREVENT		0x00000008	/* PWRCYCLE change event */
 12
 13#define CB_SOCKET_MASK		0x04
 14#define    CB_CSTSMASK		0x00000001	/* Card status mask */
 15#define    CB_CDMASK		0x00000006	/* Card detect 1&2 mask */
 16#define    CB_PWRMASK		0x00000008	/* PWRCYCLE change mask */
 17
 18#define CB_SOCKET_STATE		0x08
 19#define    CB_CARDSTS		0x00000001	/* CSTSCHG status */
 20#define    CB_CDETECT1		0x00000002	/* Card detect status 1 */
 21#define    CB_CDETECT2		0x00000004	/* Card detect status 2 */
 22#define    CB_PWRCYCLE		0x00000008	/* Socket powered */
 23#define    CB_16BITCARD		0x00000010	/* 16-bit card detected */
 24#define    CB_CBCARD		0x00000020	/* CardBus card detected */
 25#define    CB_IREQCINT		0x00000040	/* READY(xIRQ)/xCINT high */
 26#define    CB_NOTACARD		0x00000080	/* Unrecognizable PC card detected */
 27#define    CB_DATALOST		0x00000100	/* Potential data loss due to card removal */
 28#define    CB_BADVCCREQ		0x00000200	/* Invalid Vcc request by host software */
 29#define    CB_5VCARD		0x00000400	/* Card Vcc at 5.0 volts? */
 30#define    CB_3VCARD		0x00000800	/* Card Vcc at 3.3 volts? */
 31#define    CB_XVCARD		0x00001000	/* Card Vcc at X.X volts? */
 32#define    CB_YVCARD		0x00002000	/* Card Vcc at Y.Y volts? */
 33#define    CB_5VSOCKET		0x10000000	/* Socket Vcc at 5.0 volts? */
 34#define    CB_3VSOCKET		0x20000000	/* Socket Vcc at 3.3 volts? */
 35#define    CB_XVSOCKET		0x40000000	/* Socket Vcc at X.X volts? */
 36#define    CB_YVSOCKET		0x80000000	/* Socket Vcc at Y.Y volts? */
 37
 38#define CB_SOCKET_FORCE		0x0C
 39#define    CB_FCARDSTS		0x00000001	/* Force CSTSCHG */
 40#define    CB_FCDETECT1		0x00000002	/* Force CD1EVENT */
 41#define    CB_FCDETECT2		0x00000004	/* Force CD2EVENT */
 42#define    CB_FPWRCYCLE		0x00000008	/* Force PWREVENT */
 43#define    CB_F16BITCARD	0x00000010	/* Force 16-bit PCMCIA card */
 44#define    CB_FCBCARD		0x00000020	/* Force CardBus line */
 45#define    CB_FNOTACARD		0x00000080	/* Force NOTACARD */
 46#define    CB_FDATALOST		0x00000100	/* Force data lost */
 47#define    CB_FBADVCCREQ	0x00000200	/* Force bad Vcc request */
 48#define    CB_F5VCARD		0x00000400	/* Force 5.0 volt card */
 49#define    CB_F3VCARD		0x00000800	/* Force 3.3 volt card */
 50#define    CB_FXVCARD		0x00001000	/* Force X.X volt card */
 51#define    CB_FYVCARD		0x00002000	/* Force Y.Y volt card */
 52#define    CB_CVSTEST		0x00004000	/* Card VS test */
 53
 54#define CB_SOCKET_CONTROL	0x10
 55#define  CB_SC_VPP_MASK		0x00000007
 56#define   CB_SC_VPP_OFF		0x00000000
 57#define   CB_SC_VPP_12V		0x00000001
 58#define   CB_SC_VPP_5V		0x00000002
 59#define   CB_SC_VPP_3V		0x00000003
 60#define   CB_SC_VPP_XV		0x00000004
 61#define   CB_SC_VPP_YV		0x00000005
 62#define  CB_SC_VCC_MASK		0x00000070
 63#define   CB_SC_VCC_OFF		0x00000000
 64#define   CB_SC_VCC_5V		0x00000020
 65#define   CB_SC_VCC_3V		0x00000030
 66#define   CB_SC_VCC_XV		0x00000040
 67#define   CB_SC_VCC_YV		0x00000050
 68#define  CB_SC_CCLK_STOP	0x00000080
 69
 70#define CB_SOCKET_POWER		0x20
 71#define    CB_SKTACCES		0x02000000	/* A PC card access has occurred (clear on read) */
 72#define    CB_SKTMODE		0x01000000	/* Clock frequency has changed (clear on read) */
 73#define    CB_CLKCTRLEN		0x00010000	/* Clock control enabled (RW) */
 74#define    CB_CLKCTRL		0x00000001	/* Stop(0) or slow(1) CB clock (RW) */
 75
 76/*
 77 * Cardbus configuration space
 78 */
 79#define CB_BRIDGE_BASE(m)	(0x1c + 8*(m))
 80#define CB_BRIDGE_LIMIT(m)	(0x20 + 8*(m))
 81#define CB_BRIDGE_CONTROL	0x3e
 82#define   CB_BRIDGE_CPERREN	0x00000001
 83#define   CB_BRIDGE_CSERREN	0x00000002
 84#define   CB_BRIDGE_ISAEN	0x00000004
 85#define   CB_BRIDGE_VGAEN	0x00000008
 86#define   CB_BRIDGE_MABTMODE	0x00000020
 87#define   CB_BRIDGE_CRST	0x00000040
 88#define   CB_BRIDGE_INTR	0x00000080
 89#define   CB_BRIDGE_PREFETCH0	0x00000100
 90#define   CB_BRIDGE_PREFETCH1	0x00000200
 91#define   CB_BRIDGE_POSTEN	0x00000400
 92#define CB_LEGACY_MODE_BASE	0x44
 93
 94/*
 95 * ExCA area extensions in Yenta
 96 */
 97#define CB_MEM_PAGE(map)	(0x40 + (map))
 98
 99
100/* control how 16bit cards are powered */
101#define YENTA_16BIT_POWER_EXCA	0x00000001
102#define YENTA_16BIT_POWER_DF	0x00000002
103
104
105struct yenta_socket;
106
107struct cardbus_type {
108	int	(*override)(struct yenta_socket *);
109	void	(*save_state)(struct yenta_socket *);
110	void	(*restore_state)(struct yenta_socket *);
111	int	(*sock_init)(struct yenta_socket *);
112};
113
114struct yenta_socket {
115	struct pci_dev *dev;
116	int cb_irq, io_irq;
117	void __iomem *base;
118	struct timer_list poll_timer;
119
120	struct pcmcia_socket socket;
121	struct cardbus_type *type;
122
123	u32 flags;
124
125	/* for PCI interrupt probing */
126	unsigned int probe_status;
127
128	/* A few words of private data for special stuff of overrides... */
129	unsigned int private[8];
130
131	/* PCI saved state */
132	u32 saved_state[2];
133};
134
135
136#endif