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authorAlex Elder <elder@linaro.org>2021-08-20 18:01:29 +0200
committerDavid S. Miller <davem@davemloft.net>2021-08-22 10:44:17 +0200
commit2775cbc5afeb63f1ddd8c05df216763450772ad9 (patch)
tree2e64bd4e098334bdc45041ed002c9d78d51e2d92 /drivers/net/ipa/ipa_power.h
parentnet: ipa: rename ipa_clock_* symbols (diff)
downloadlinux-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.h73
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_ */