source: mainline/uspace/drv/bus/adb/cuda_adb/cuda_hw.h

/*
 * Copyright (c) 2006 Martin Decky
 * Copyright (c) 2010 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup uspace_drv_cuda_adb
 * @{
 */
/** @file
 */

#ifndef CUDA_HW_H_
#define CUDA_HW_H_

#include <ddi.h>

#include <stdint.h>

typedef struct cuda_regs {
        ioport8_t b;
        uint8_t pad0[0x1ff];

        ioport8_t a;
        uint8_t pad1[0x1ff];

        ioport8_t dirb;
        uint8_t pad2[0x1ff];

        ioport8_t dira;
        uint8_t pad3[0x1ff];

        ioport8_t t1cl;
        uint8_t pad4[0x1ff];

        ioport8_t t1ch;
        uint8_t pad5[0x1ff];

        ioport8_t t1ll;
        uint8_t pad6[0x1ff];

        ioport8_t t1lh;
        uint8_t pad7[0x1ff];

        ioport8_t t2cl;
        uint8_t pad8[0x1ff];

        ioport8_t t2ch;
        uint8_t pad9[0x1ff];

        ioport8_t sr;
        uint8_t pad10[0x1ff];

        ioport8_t acr;
        uint8_t pad11[0x1ff];

        ioport8_t pcr;
        uint8_t pad12[0x1ff];

        ioport8_t ifr;
        uint8_t pad13[0x1ff];

        ioport8_t ier;
        uint8_t pad14[0x1ff];

        ioport8_t anh;
        uint8_t pad15[0x1ff];
} cuda_regs_t;

/** B register fields */
enum {
        TREQ    = 0x08,
        TACK    = 0x10,
        TIP     = 0x20
};

/** IER register fields */
enum {
        IER_CLR = 0x00,
        IER_SET = 0x80,

        SR_INT  = 0x04,
        ALL_INT = 0x7f
};

/** ACR register fields */
enum {
        SR_OUT  = 0x10
};

/** Packet types */
enum {
        PT_ADB  = 0x00,
        PT_CUDA = 0x01
};

/** CUDA packet types */
enum {
        CPT_AUTOPOLL    = 0x01
};

enum {
        ADB_MAX_ADDR    = 16
};

#endif

/** @}
 */