drivers/pcmcia/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
 105 struct yenta_socket;
 106
 107 struct 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
 114 struct 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