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       1                 :            : /*
       2                 :            :  * topic.h 1.8 1999/08/28 04:01:47
       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                 :            :  * topic.h $Release$ 1999/08/28 04:01:47
      29                 :            :  */
      30                 :            : 
      31                 :            : #ifndef _LINUX_TOPIC_H
      32                 :            : #define _LINUX_TOPIC_H
      33                 :            : 
      34                 :            : /* Register definitions for Toshiba ToPIC95/97/100 controllers */
      35                 :            : 
      36                 :            : #define TOPIC_SOCKET_CONTROL            0x0090  /* 32 bit */
      37                 :            : #define  TOPIC_SCR_IRQSEL               0x00000001
      38                 :            : 
      39                 :            : #define TOPIC_SLOT_CONTROL              0x00a0  /* 8 bit */
      40                 :            : #define  TOPIC_SLOT_SLOTON              0x80
      41                 :            : #define  TOPIC_SLOT_SLOTEN              0x40
      42                 :            : #define  TOPIC_SLOT_ID_LOCK             0x20
      43                 :            : #define  TOPIC_SLOT_ID_WP               0x10
      44                 :            : #define  TOPIC_SLOT_PORT_MASK           0x0c
      45                 :            : #define  TOPIC_SLOT_PORT_SHIFT          2
      46                 :            : #define  TOPIC_SLOT_OFS_MASK            0x03
      47                 :            : 
      48                 :            : #define TOPIC_CARD_CONTROL              0x00a1  /* 8 bit */
      49                 :            : #define  TOPIC_CCR_INTB                 0x20
      50                 :            : #define  TOPIC_CCR_INTA                 0x10
      51                 :            : #define  TOPIC_CCR_CLOCK                0x0c
      52                 :            : #define  TOPIC_CCR_PCICLK               0x0c
      53                 :            : #define  TOPIC_CCR_PCICLK_2             0x08
      54                 :            : #define  TOPIC_CCR_CCLK                 0x04
      55                 :            : 
      56                 :            : #define TOPIC97_INT_CONTROL             0x00a1  /* 8 bit */
      57                 :            : #define  TOPIC97_ICR_INTB               0x20
      58                 :            : #define  TOPIC97_ICR_INTA               0x10
      59                 :            : #define  TOPIC97_ICR_STSIRQNP           0x04
      60                 :            : #define  TOPIC97_ICR_IRQNP              0x02
      61                 :            : #define  TOPIC97_ICR_IRQSEL             0x01
      62                 :            : 
      63                 :            : #define TOPIC_CARD_DETECT               0x00a3  /* 8 bit */
      64                 :            : #define  TOPIC_CDR_MODE_PC32            0x80
      65                 :            : #define  TOPIC_CDR_VS1                  0x04
      66                 :            : #define  TOPIC_CDR_VS2                  0x02
      67                 :            : #define  TOPIC_CDR_SW_DETECT            0x01
      68                 :            : 
      69                 :            : #define TOPIC_REGISTER_CONTROL          0x00a4  /* 32 bit */
      70                 :            : #define  TOPIC_RCR_RESUME_RESET         0x80000000
      71                 :            : #define  TOPIC_RCR_REMOVE_RESET         0x40000000
      72                 :            : #define  TOPIC97_RCR_CLKRUN_ENA         0x20000000
      73                 :            : #define  TOPIC97_RCR_TESTMODE           0x10000000
      74                 :            : #define  TOPIC97_RCR_IOPLUP             0x08000000
      75                 :            : #define  TOPIC_RCR_BUFOFF_PWROFF        0x02000000
      76                 :            : #define  TOPIC_RCR_BUFOFF_SIGOFF        0x01000000
      77                 :            : #define  TOPIC97_RCR_CB_DEV_MASK        0x0000f800
      78                 :            : #define  TOPIC97_RCR_CB_DEV_SHIFT       11
      79                 :            : #define  TOPIC97_RCR_RI_DISABLE         0x00000004
      80                 :            : #define  TOPIC97_RCR_CAUDIO_OFF         0x00000002
      81                 :            : #define  TOPIC_RCR_CAUDIO_INVERT        0x00000001
      82                 :            : 
      83                 :            : #define TOPIC97_MISC1                   0x00ad  /* 8bit */
      84                 :            : #define  TOPIC97_MISC1_CLOCKRUN_ENABLE  0x80
      85                 :            : #define  TOPIC97_MISC1_CLOCKRUN_MODE    0x40
      86                 :            : #define  TOPIC97_MISC1_DETECT_REQ_ENA   0x10
      87                 :            : #define  TOPIC97_MISC1_SCK_CLEAR_DIS    0x04
      88                 :            : #define  TOPIC97_MISC1_R2_LOW_ENABLE    0x10
      89                 :            : 
      90                 :            : #define TOPIC97_MISC2                   0x00ae  /* 8 bit */
      91                 :            : #define  TOPIC97_MISC2_SPWRCLK_MASK     0x70
      92                 :            : #define  TOPIC97_MISC2_SPWRMOD          0x08
      93                 :            : #define  TOPIC97_MISC2_SPWR_ENABLE      0x04
      94                 :            : #define  TOPIC97_MISC2_ZV_MODE          0x02
      95                 :            : #define  TOPIC97_MISC2_ZV_ENABLE        0x01
      96                 :            : 
      97                 :            : #define TOPIC97_ZOOM_VIDEO_CONTROL      0x009c  /* 8 bit */
      98                 :            : #define  TOPIC97_ZV_CONTROL_ENABLE      0x01
      99                 :            : 
     100                 :            : #define TOPIC97_AUDIO_VIDEO_SWITCH      0x003c  /* 8 bit */
     101                 :            : #define  TOPIC97_AVS_AUDIO_CONTROL      0x02
     102                 :            : #define  TOPIC97_AVS_VIDEO_CONTROL      0x01
     103                 :            : 
     104                 :            : #define TOPIC_EXCA_IF_CONTROL           0x3e    /* 8 bit */
     105                 :            : #define TOPIC_EXCA_IFC_33V_ENA          0x01
     106                 :            : 
     107                 :            : #define TOPIC_PCI_CFG_PPBCN             0x3e    /* 16-bit */
     108                 :            : #define TOPIC_PCI_CFG_PPBCN_WBEN        0x0400
     109                 :            : 
     110                 :          0 : static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)
     111                 :            : {
     112                 :          0 :         struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
     113                 :          0 :         u8 reg_zv, reg;
     114                 :            : 
     115                 :          0 :         reg_zv = config_readb(socket, TOPIC97_ZOOM_VIDEO_CONTROL);
     116         [ #  # ]:          0 :         if (onoff) {
     117                 :          0 :                 reg_zv |= TOPIC97_ZV_CONTROL_ENABLE;
     118                 :          0 :                 config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
     119                 :            : 
     120                 :          0 :                 reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
     121                 :          0 :                 reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL;
     122                 :          0 :                 config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
     123                 :            :         } else {
     124                 :          0 :                 reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE;
     125                 :          0 :                 config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);
     126                 :            : 
     127                 :          0 :                 reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
     128                 :          0 :                 reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL);
     129                 :          0 :                 config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
     130                 :            :         }
     131                 :          0 : }
     132                 :            : 
     133                 :          0 : static int topic97_override(struct yenta_socket *socket)
     134                 :            : {
     135                 :            :         /* ToPIC97/100 support ZV */
     136                 :          0 :         socket->socket.zoom_video = topic97_zoom_video;
     137                 :          0 :         return 0;
     138                 :            : }
     139                 :            : 
     140                 :            : 
     141                 :          0 : static int topic95_override(struct yenta_socket *socket)
     142                 :            : {
     143                 :          0 :         u8 fctrl;
     144                 :          0 :         u16 ppbcn;
     145                 :            : 
     146                 :            :         /* enable 3.3V support for 16bit cards */
     147                 :          0 :         fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL);
     148                 :          0 :         exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA);
     149                 :            : 
     150                 :            :         /* tell yenta to use exca registers to power 16bit cards */
     151                 :          0 :         socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF;
     152                 :            : 
     153                 :            :         /* Disable write buffers to prevent lockups under load with numerous
     154                 :            :            Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the
     155                 :            :            net.  This is not a power-on default according to the datasheet
     156                 :            :            but some BIOSes seem to set it. */
     157         [ #  # ]:          0 :         if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0
     158         [ #  # ]:          0 :             && socket->dev->revision <= 7
     159         [ #  # ]:          0 :             && (ppbcn & TOPIC_PCI_CFG_PPBCN_WBEN)) {
     160                 :          0 :                 ppbcn &= ~TOPIC_PCI_CFG_PPBCN_WBEN;
     161                 :          0 :                 pci_write_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, ppbcn);
     162                 :          0 :                 dev_info(&socket->dev->dev, "Disabled ToPIC95 Cardbus write buffers.\n");
     163                 :            :         }
     164                 :            : 
     165                 :          0 :         return 0;
     166                 :            : }
     167                 :            : 
     168                 :            : #endif /* _LINUX_TOPIC_H */