| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. |
| */ |
| |
| #ifndef __WCD_SPI_AC_H__ |
| #define __WCD_SPI_AC_H__ |
| |
| #include <linux/types.h> |
| #include <linux/bitops.h> |
| |
| enum wcd_spi_acc_req { |
| WCD_SPI_ACCESS_REQUEST, |
| WCD_SPI_ACCESS_RELEASE, |
| WCD_SPI_ACCESS_MAX, |
| }; |
| |
| #define WCD_SPI_AC_DATA_TRANSFER BIT(0) |
| #define WCD_SPI_AC_CONCURRENCY BIT(1) |
| #define WCD_SPI_AC_REMOTE_DOWN BIT(2) |
| #define WCD_SPI_AC_SVC_OFFLINE BIT(3) |
| #define WCD_SPI_AC_UNINITIALIZED BIT(4) |
| |
| #if IS_ENABLED(CONFIG_WCD_SPI_AC) |
| int wcd_spi_access_ctl(struct device *dev, |
| enum wcd_spi_acc_req req, |
| u32 reason); |
| #else |
| int wcd_spi_access_ctl(struct device *dev, |
| enum wcd_spi_acc_req req, |
| u32 reason) |
| { |
| return 0; |
| } |
| #endif /* end of CONFIG_WCD_SPI_AC */ |
| |
| #endif /* end of __WCD_SPI_AC_H__ */ |