/*
 * Copyright © 2012 Keith Packard <keithp@keithp.com>
 *
 * 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; version 2 of the License.
 *
 * 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.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

#ifndef _AO_ARCH_FUNCS_H_
#define _AO_ARCH_FUNCS_H_

/* ao_spi_stm.c
 */
extern uint8_t	ao_spi_mutex[STM_NUM_SPI];

void
ao_spi_get(uint8_t spi_index);

void
ao_spi_put(uint8_t spi_index);

void
ao_spi_send(void *block, uint16_t len, uint8_t spi_index);

void
ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);

void
ao_spi_init(void);

/* ao_dma_stm.c
 */

extern uint8_t ao_dma_done[STM_NUM_DMA];

void
ao_dma_set_transfer(uint8_t 		index,
		    volatile void	*peripheral,
		    void		*memory,
		    uint16_t		count,
		    uint32_t		ccr);

void
ao_dma_set_isr(uint8_t index, void (*isr)(void));

void
ao_dma_start(uint8_t index);

void
ao_dma_done_transfer(uint8_t index);

void
ao_dma_abort(uint8_t index);

void
ao_dma_alloc(uint8_t index);

void
ao_dma_init(void);

#endif /* _AO_ARCH_FUNCS_H_ */