pios_spi_priv.h

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/*
 * 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 3 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, see <http://www.gnu.org/licenses/>
 */

#ifndef PIOS_SPI_PRIV_H
#define PIOS_SPI_PRIV_H

#include <pios.h>
#include <pios_stm32.h>
#include "pios_semaphore.h"

struct pios_spi_dev {
        const struct pios_spi_cfg *cfg;
        struct pios_semaphore *busy;
};

struct pios_spi_cfg {
        SPI_TypeDef *regs;
        uint32_t remap;                         /* GPIO_Remap_* or GPIO_AF_* */
        SPI_InitTypeDef init;
        struct stm32_gpio sclk;
        struct stm32_gpio miso;
        struct stm32_gpio mosi;
        uint32_t slave_count;
#ifdef PIOS_INCLUDE_VIDEO
        // XXX Hack: pios_video uses pios_spi's config structure and expects the
        // DMA information to be filled in properly
        struct stm32_dma dma;
#endif
        struct stm32_gpio ssel[];
};

#endif /* PIOS_SPI_PRIV_H */