From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/ipa/ipa_power.h | 80 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/net/ipa/ipa_power.h (limited to 'drivers/net/ipa/ipa_power.h') diff --git a/drivers/net/ipa/ipa_power.h b/drivers/net/ipa/ipa_power.h new file mode 100644 index 000000000..896f052e5 --- /dev/null +++ b/drivers/net/ipa/ipa_power.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + * Copyright (C) 2018-2022 Linaro Ltd. + */ +#ifndef _IPA_POWER_H_ +#define _IPA_POWER_H_ + +struct device; + +struct ipa; +struct ipa_power_data; + +/* IPA device power management function block */ +extern const struct dev_pm_ops ipa_pm_ops; + +/** + * ipa_core_clock_rate() - Return the current IPA core clock rate + * @ipa: IPA structure + * + * Return: The current clock rate (in Hz), or 0. + */ +u32 ipa_core_clock_rate(struct ipa *ipa); + +/** + * ipa_power_modem_queue_stop() - Possibly stop the modem netdev TX queue + * @ipa: IPA pointer + */ +void ipa_power_modem_queue_stop(struct ipa *ipa); + +/** + * ipa_power_modem_queue_wake() - Possibly wake the modem netdev TX queue + * @ipa: IPA pointer + */ +void ipa_power_modem_queue_wake(struct ipa *ipa); + +/** + * ipa_power_modem_queue_active() - Report modem netdev TX queue active + * @ipa: IPA pointer + */ +void ipa_power_modem_queue_active(struct ipa *ipa); + +/** + * ipa_power_retention() - Control register retention on power collapse + * @ipa: IPA pointer + * @enable: Whether retention should be enabled or disabled + */ +void ipa_power_retention(struct ipa *ipa, bool enable); + +/** + * ipa_power_setup() - Set up IPA power management + * @ipa: IPA pointer + * + * Return: 0 if successful, or a negative error code + */ +int ipa_power_setup(struct ipa *ipa); + +/** + * ipa_power_teardown() - Inverse of ipa_power_setup() + * @ipa: IPA pointer + */ +void ipa_power_teardown(struct ipa *ipa); + +/** + * ipa_power_init() - Initialize IPA power management + * @dev: IPA device + * @data: Clock configuration data + * + * Return: A pointer to an ipa_power structure, or a pointer-coded error + */ +struct ipa_power *ipa_power_init(struct device *dev, + const struct ipa_power_data *data); + +/** + * ipa_power_exit() - Inverse of ipa_power_init() + * @power: IPA power pointer + */ +void ipa_power_exit(struct ipa_power *power); + +#endif /* _IPA_POWER_H_ */ -- cgit v1.2.3