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- /*
- * Copyright (c) 2016-2017, The Linux Foundation. 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 version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
- #ifndef __WCD_SPI_H__
- #define __WCD_SPI_H__
- struct wcd_spi_msg {
- /*
- * Caller's buffer pointer that holds data to
- * be transmitted in case of data_write and
- * data to be copied to in case of data_read.
- */
- void *data;
- /* Length of data to write/read */
- size_t len;
- /*
- * Address in remote memory to write to
- * or read from.
- */
- u32 remote_addr;
- /* Bitmask of flags, currently unused */
- u32 flags;
- };
- struct wcd_spi_ops {
- struct spi_device *spi_dev;
- int (*read_dev)(struct spi_device *spi, struct wcd_spi_msg *msg);
- int (*write_dev)(struct spi_device *spi, struct wcd_spi_msg *msg);
- };
- #endif /* End of __WCD_SPI_H__ */
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