topic.h

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/*
 * topic.h 1.8 1999/08/28 04:01:47
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License
 * at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and
 * limitations under the License. 
 *
 * The initial developer of the original code is David A. Hinds
 * <[email protected]>.  Portions created by David A. Hinds
 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License version 2 (the "GPL"), in which
 * case the provisions of the GPL are applicable instead of the
 * above.  If you wish to allow the use of your version of this file
 * only under the terms of the GPL and not to allow others to use
 * your version of this file under the MPL, indicate your decision by
 * deleting the provisions above and replace them with the notice and
 * other provisions required by the GPL.  If you do not delete the
 * provisions above, a recipient may use your version of this file
 * under either the MPL or the GPL.
 * topic.h $Release$ 1999/08/28 04:01:47
 */

#ifndef _LINUX_TOPIC_H
#define _LINUX_TOPIC_H

/* Register definitions for Toshiba ToPIC95/97/100 controllers */

#define TOPIC_SOCKET_CONTROL        0x0090  /* 32 bit */
#define  TOPIC_SCR_IRQSEL       0x00000001

#define TOPIC_SLOT_CONTROL      0x00a0  /* 8 bit */
#define  TOPIC_SLOT_SLOTON      0x80
#define  TOPIC_SLOT_SLOTEN      0x40
#define  TOPIC_SLOT_ID_LOCK     0x20
#define  TOPIC_SLOT_ID_WP       0x10
#define  TOPIC_SLOT_PORT_MASK       0x0c
#define  TOPIC_SLOT_PORT_SHIFT      2
#define  TOPIC_SLOT_OFS_MASK        0x03

#define TOPIC_CARD_CONTROL      0x00a1  /* 8 bit */
#define  TOPIC_CCR_INTB         0x20
#define  TOPIC_CCR_INTA         0x10
#define  TOPIC_CCR_CLOCK        0x0c
#define  TOPIC_CCR_PCICLK       0x0c
#define  TOPIC_CCR_PCICLK_2     0x08
#define  TOPIC_CCR_CCLK         0x04

#define TOPIC97_INT_CONTROL     0x00a1  /* 8 bit */
#define  TOPIC97_ICR_INTB       0x20
#define  TOPIC97_ICR_INTA       0x10
#define  TOPIC97_ICR_STSIRQNP       0x04
#define  TOPIC97_ICR_IRQNP      0x02
#define  TOPIC97_ICR_IRQSEL     0x01

#define TOPIC_CARD_DETECT       0x00a3  /* 8 bit */
#define  TOPIC_CDR_MODE_PC32        0x80
#define  TOPIC_CDR_VS1          0x04
#define  TOPIC_CDR_VS2          0x02
#define  TOPIC_CDR_SW_DETECT        0x01

#define TOPIC_REGISTER_CONTROL      0x00a4  /* 32 bit */
#define  TOPIC_RCR_RESUME_RESET     0x80000000
#define  TOPIC_RCR_REMOVE_RESET     0x40000000
#define  TOPIC97_RCR_CLKRUN_ENA     0x20000000
#define  TOPIC97_RCR_TESTMODE       0x10000000
#define  TOPIC97_RCR_IOPLUP     0x08000000
#define  TOPIC_RCR_BUFOFF_PWROFF    0x02000000
#define  TOPIC_RCR_BUFOFF_SIGOFF    0x01000000
#define  TOPIC97_RCR_CB_DEV_MASK    0x0000f800
#define  TOPIC97_RCR_CB_DEV_SHIFT   11
#define  TOPIC97_RCR_RI_DISABLE     0x00000004
#define  TOPIC97_RCR_CAUDIO_OFF     0x00000002
#define  TOPIC_RCR_CAUDIO_INVERT    0x00000001

#define TOPIC97_MISC1           0x00ad  /* 8bit */
#define  TOPIC97_MISC1_CLOCKRUN_ENABLE  0x80
#define  TOPIC97_MISC1_CLOCKRUN_MODE    0x40
#define  TOPIC97_MISC1_DETECT_REQ_ENA   0x10
#define  TOPIC97_MISC1_SCK_CLEAR_DIS    0x04
#define  TOPIC97_MISC1_R2_LOW_ENABLE    0x10

#define TOPIC97_MISC2           0x00ae  /* 8 bit */
#define  TOPIC97_MISC2_SPWRCLK_MASK 0x70
#define  TOPIC97_MISC2_SPWRMOD      0x08
#define  TOPIC97_MISC2_SPWR_ENABLE  0x04
#define  TOPIC97_MISC2_ZV_MODE      0x02
#define  TOPIC97_MISC2_ZV_ENABLE    0x01

#define TOPIC97_ZOOM_VIDEO_CONTROL  0x009c  /* 8 bit */
#define  TOPIC97_ZV_CONTROL_ENABLE  0x01

#define TOPIC97_AUDIO_VIDEO_SWITCH  0x003c  /* 8 bit */
#define  TOPIC97_AVS_AUDIO_CONTROL  0x02
#define  TOPIC97_AVS_VIDEO_CONTROL  0x01

#define TOPIC_EXCA_IF_CONTROL       0x3e    /* 8 bit */
#define TOPIC_EXCA_IFC_33V_ENA      0x01

static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
    u8 reg_zv, reg;

    reg_zv = config_readb(socket, TOPIC97_ZOOM_VIDEO_CONTROL);
    if (onoff) {
        reg_zv |= TOPIC97_ZV_CONTROL_ENABLE;
        config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);

        reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
        reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL;
        config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
    } else {
        reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE;
        config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);

        reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);
        reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL);
        config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);
    }
}

static int topic97_override(struct yenta_socket *socket)
{
    /* ToPIC97/100 support ZV */
    socket->socket.zoom_video = topic97_zoom_video;
    return 0;
}


static int topic95_override(struct yenta_socket *socket)
{
    u8 fctrl;

    /* enable 3.3V support for 16bit cards */
    fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL);
    exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA);

    /* tell yenta to use exca registers to power 16bit cards */
    socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF;

    return 0;
}

#endif /* _LINUX_TOPIC_H */