yenta_socket.h

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#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