diff options
Diffstat (limited to 'zephyr/include/drivers/cros_bbram.h')
| -rw-r--r-- | zephyr/include/drivers/cros_bbram.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/zephyr/include/drivers/cros_bbram.h b/zephyr/include/drivers/cros_bbram.h deleted file mode 100644 index f96ef3dba4..0000000000 --- a/zephyr/include/drivers/cros_bbram.h +++ /dev/null @@ -1,193 +0,0 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef ZEPHYR_INCLUDE_DRIVERS_CROS_BBRAM_H_ -#define ZEPHYR_INCLUDE_DRIVERS_CROS_BBRAM_H_ - -#include <device.h> - -/** - * Check if "Invalid Battery-Backed RAM". This may occur as a result to low - * voltage at the VBAT pin. - * - * @return 0 if the Battery-Backed RAM data is valid. - */ -typedef int (*cros_bbram_api_ibbr)(const struct device *dev); - -/** - * Reset the IBBR status (calling cros_bbram_ibbr will return 0 after this). - * - * @return 0 after reset is complete. - * @see cros_bbram_ibbr - */ -typedef int (*cros_bbram_api_reset_ibbr)(const struct device *dev); - -/** - * Check for V SBY power failure. This will return an error if the V SBY power - * domain is turned on after it was off. - * - * @return 0 if V SBY power domain is in normal operation. - */ -typedef int (*cros_bbram_api_vsby)(const struct device *dev); - -/** - * Reset the V SBY status (calling cros_bbram_vsby will return 0 after this). - * - * @return 0 after reset is complete. - * @see cros_bbram_vsby - */ -typedef int (*cros_bbram_api_reset_vsby)(const struct device *dev); - -/** - * Check for V CC1 power failure. This will return an error if the V CC1 power - * domain is turned on after it was off. - * - * @return 0 if the V CC1 power domain is in normal operation. - */ -typedef int (*cros_bbram_api_vcc1)(const struct device *dev); - -/** - * Reset the V CC1 status (calling cros_bbram_vcc1 will return 0 after this). - * - * @return 0 after reset is complete. - * @see cros_bbram_vcc1 - */ -typedef int (*cros_bbram_api_reset_vcc1)(const struct device *dev); - -typedef int (*cros_bbram_api_read)(const struct device *dev, int offset, - int size, uint8_t *data); - -typedef int (*cros_bbram_api_write)(const struct device *dev, int offset, - int size, uint8_t *data); - -__subsystem struct cros_bbram_driver_api { - cros_bbram_api_ibbr ibbr; - cros_bbram_api_reset_ibbr reset_ibbr; - cros_bbram_api_vsby vsby; - cros_bbram_api_reset_vsby reset_vsby; - cros_bbram_api_vcc1 vcc1; - cros_bbram_api_reset_vcc1 reset_vcc1; - cros_bbram_api_read read; - cros_bbram_api_write write; -}; - -__syscall int cros_bbram_get_ibbr(const struct device *dev); - -static inline int z_impl_cros_bbram_get_ibbr(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->ibbr) { - return -ENOTSUP; - } - - return api->ibbr(dev); -} - -__syscall int cros_bbram_reset_ibbr(const struct device *dev); - -static inline int z_impl_cros_bbram_reset_ibbr(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->reset_ibbr) { - return -ENOTSUP; - } - - return api->reset_ibbr(dev); -} - -__syscall int cros_bbram_get_vsby(const struct device *dev); - -static inline int z_impl_cros_bbram_get_vsby(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->vsby) { - return -ENOTSUP; - } - - return api->vsby(dev); -} - -__syscall int cros_bbram_reset_vsby(const struct device *dev); - -static inline int z_impl_cros_bbram_reset_vsby(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->reset_vsby) { - return -ENOTSUP; - } - - return api->reset_vsby(dev); -} - -__syscall int cros_bbram_get_vcc1(const struct device *dev); - -static inline int z_impl_cros_bbram_get_vcc1(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->vcc1) { - return -ENOTSUP; - } - - return api->vcc1(dev); -} - -__syscall int cros_bbram_reset_vcc1(const struct device *dev); - -static inline int z_impl_cros_bbram_reset_vcc1(const struct device *dev) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->reset_vcc1) { - return -ENOTSUP; - } - - return api->reset_vcc1(dev); -} - -__syscall int cros_bbram_read(const struct device *dev, int offset, int size, - uint8_t *data); - -static inline int z_impl_cros_bbram_read(const struct device *dev, int offset, - int size, uint8_t *data) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->read) { - return -ENOTSUP; - } - - return api->read(dev, offset, size, data); -} - -__syscall int cros_bbram_write(const struct device *dev, int offset, int size, - uint8_t *data); - -static inline int z_impl_cros_bbram_write(const struct device *dev, int offset, - int size, uint8_t *data) -{ - const struct cros_bbram_driver_api *api = - (const struct cros_bbram_driver_api *)dev->api; - - if (!api->write) { - return -ENOTSUP; - } - - return api->write(dev, offset, size, data); -} - -#include <syscalls/cros_bbram.h> -#endif /* ZEPHYR_INCLUDE_DRIVERS_CROS_BBRAM_H_ */ |