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#ifndef SLIC_H
#define SLIC_H
/*
* Written by Oron Peled <oron@actcom.co.il>
* Copyright (C) 2004-2006, Xorcom
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "xdefs.h"
/*------------------------------ SLIC Data Structures ----------------------*/
struct slic_reg_d { /* SLIC Register Direct Read/Write */
byte reg_num:7;
byte read:1;
byte reg_data;
} __attribute__((packed));
struct slic_reg_iw { /* SLIC Register Indirect-Write */
struct slic_reg_d iw_data_low;
struct slic_reg_d iw_data_high;
struct slic_reg_d iw_reg;
} __attribute__((packed));
struct slic_reg_ir { /* SLIC Register Indirect-Read */
struct slic_reg_d ir_reg;
} __attribute__((packed));
typedef struct slic_cmd {
xpp_line_t lines;
byte bytes;
union {
struct slic_reg_d direct;
struct slic_reg_iw indirect_write;
struct slic_reg_ir indirect_read;
} content;
} __attribute__((packed)) slic_cmd_t;
typedef struct slic_reply {
byte size;
byte reg_num:7;
byte indirect:1;
byte data_low;
byte data_high;
} __attribute__((packed)) slic_reply_t;
#define SLIC_REG_INIT(slic_reg, reading, num, data) \
do { \
(slic_reg)->read = reading; \
(slic_reg)->reg_num = num; \
(slic_reg)->reg_data = data; \
} while(0);
/*------------------------------ SLIC Initializers -------------------------*/
int slic_cmd_direct_write(slic_cmd_t *sc, xpp_line_t lines, byte reg, byte data);
int slic_cmd_direct_read(slic_cmd_t *sc, xpp_line_t lines, byte reg);
int slic_cmd_indirect_write(slic_cmd_t *sc, xpp_line_t lines, byte reg, byte data_low, byte data_high);
int slic_cmd_indirect_read(slic_cmd_t *sc, xpp_line_t lines, byte reg);
void dump_slic_cmd(const char msg[], slic_cmd_t *sc);
int run_initialize_registers(xpd_t *xpd);
#endif /* SLIC_H */
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