[picodrive.git] / pico / carthw / eeprom_spi.h

/****************************************************************************
 *  Genesis Plus
 *  SPI Serial EEPROM (25XX512 only) support
 *
 *  Copyright (C) 2012  Eke-Eke (Genesis Plus GX)
 *
 *  Redistribution and use of this code or any derivative works are permitted
 *  provided that the following conditions are met:
 *
 *   - Redistributions may not be sold, nor may they be used in a commercial
 *     product or activity.
 *
 *   - Redistributions that are modified from the original source must include the
 *     complete source code, including the source code for all components used by a
 *     binary built from the modified sources. However, as a special exception, the
 *     source code distributed need not include anything that is normally distributed
 *     (in either source or binary form) with the major components (compiler, kernel,
 *     and so on) of the operating system on which the executable runs, unless that
 *     component itself accompanies the executable.
 *
 *   - Redistributions 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.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
 *
 ****************************************************************************************/

#ifndef _EEPROM_SPI_H_
#define _EEPROM_SPI_H_

/* Function prototypes */
extern void *eeprom_spi_init(int *size);
extern void eeprom_spi_write(unsigned char data);
extern unsigned int eeprom_spi_read(unsigned int address);

#endif
Commit	Line	Data
8c2137f1	1	/****************************************************************************
	2	* Genesis Plus
	3	* SPI Serial EEPROM (25XX512 only) support
	4	*
	5	* Copyright (C) 2012 Eke-Eke (Genesis Plus GX)
	6	*
	7	* Redistribution and use of this code or any derivative works are permitted
	8	* provided that the following conditions are met:
	9	*
	10	* - Redistributions may not be sold, nor may they be used in a commercial
	11	* product or activity.
	12	*
	13	* - Redistributions that are modified from the original source must include the
	14	* complete source code, including the source code for all components used by a
	15	* binary built from the modified sources. However, as a special exception, the
	16	* source code distributed need not include anything that is normally distributed
	17	* (in either source or binary form) with the major components (compiler, kernel,
	18	* and so on) of the operating system on which the executable runs, unless that
	19	* component itself accompanies the executable.
	20	*
	21	* - Redistributions must reproduce the above copyright notice, this list of
	22	* conditions and the following disclaimer in the documentation and/or other
	23	* materials provided with the distribution.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	26	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	28	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	29	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	30	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	31	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	32	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	33	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	34	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	35	* POSSIBILITY OF SUCH DAMAGE.
	36	*
	37	****************************************************************************************/
	38
	39	#ifndef _EEPROM_SPI_H_
	40	#define _EEPROM_SPI_H_
	41
	42	/* Function prototypes */
6a47c2d4	43	extern void eeprom_spi_init(int size);
8c2137f1	44	extern void eeprom_spi_write(unsigned char data);
	45	extern unsigned int eeprom_spi_read(unsigned int address);
	46
	47	#endif