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author | Alex Elder <elder@linaro.org> | 2021-08-20 18:01:29 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2021-08-22 10:44:17 +0200 |
commit | 2775cbc5afeb63f1ddd8c05df216763450772ad9 (patch) | |
tree | 2e64bd4e098334bdc45041ed002c9d78d51e2d92 /drivers/net/ipa/ipa_power.h | |
parent | net: ipa: rename ipa_clock_* symbols (diff) | |
download | linux-2775cbc5afeb63f1ddd8c05df216763450772ad9.tar.xz linux-2775cbc5afeb63f1ddd8c05df216763450772ad9.zip |
net: ipa: rename "ipa_clock.c"
Finally, rename "ipa_clock.c" to be "ipa_power.c" and "ipa_clock.h"
to be "ipa_power.h".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ipa/ipa_power.h')
-rw-r--r-- | drivers/net/ipa/ipa_power.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_power.h b/drivers/net/ipa/ipa_power.h new file mode 100644 index 000000000000..2151805d7fbb --- /dev/null +++ b/drivers/net/ipa/ipa_power.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + * Copyright (C) 2018-2020 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_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_ */ |