/************************************************************************************
 * arch/hc/src/m9s12/m9s12_internal.h
 *
 *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * 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 __ARCH_HC_SRC_M9S12_M9S12_INTERNAL_H
#define __ARCH_HC_SRC_M9S12_M9S12_INTERNAL_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

#include <nuttx/config.h>

#ifndef __ASSEMBLY__
#  include <stdint.h>
#  include <stdbool.h>
#  include <nuttx/spi.h>
#endif

#include "up_internal.h"
#include "chip.h"

/************************************************************************************
 * Definitions
 ************************************************************************************/

/* Configuration ********************************************************************/

/************************************************************************************
 * Inline Functions
 ************************************************************************************/

#ifndef __ASSEMBLY__

/************************************************************************************
 * Public Data
 ************************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif

/************************************************************************************
 * Public Function Prototypes
 ************************************************************************************/

/************************************************************************************
 * Function: hcs12_ethinitialize
 *
 * Description:
 *   Initialize the Ethernet driver for one interface.  If the STM32 chip
 *   supports multiple Ethernet controllers, then bould specific logic
 *   must implement up_netinitialize() and call this function to initialize
 *   the desiresed interfaces.
 *
 * Parameters:
 *   None
 *
 * Returned Value:
 *   OK on success; Negated errno on failure.
 *
 * Assumptions:
 *
 ************************************************************************************/

#if STM32_NTHERNET > 1
EXTERN int hcs12_ethinitialize(int intf);
#endif

/************************************************************************************
 * Name:  hcs12_spiselect and hcs12_spistatus
 *
 * Description:
 *   The external functions, hcs12_spiselect and hcs12_spistatus must be
 *   provided by board-specific logic.  They are implementations of the select
 *   and status methods of the SPI interface defined by struct spi_ops_s (see
 *   include/nuttx/spi.h). All other methods (including up_spiinitialize())
 *   are provided by common STM32 logic.  To use this common SPI logic on your
 *   board:
 *
 *   1. Provide logic in hcs12_boardinitialize() to configure SPI chip select
 *      pins.
 *   2. Provide hcs12_spiselect() and hcs12_spistatus() functions in your
 *      board-specific logic.  These functions will perform chip selection and
 *      status operations using GPIOs in the way your board is configured.
 *   3. Add a calls to up_spiinitialize() in your low level application
 *      initialization logic
 *   4. The handle returned by up_spiinitialize() may then be used to bind the
 *      SPI driver to higher level logic (e.g., calling 
 *      mmcsd_spislotinitialize(), for example, will bind the SPI driver to
 *      the SPI MMC/SD driver).
 *
 ************************************************************************************/

EXTERN void  hcs12_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected);
EXTERN uint8_t hcs12_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);

#undef EXTERN
#if defined(__cplusplus)
}
#endif

#endif /* __ASSEMBLY__ */
#endif /* __ARCH_HC_SRC_M9S12_M9S12_INTERNAL_H */