drivers/net/ipa/ipa_smp2p.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
   4  * Copyright (C) 2019-2022 Linaro Ltd.
   5  */
   6 #ifndef _IPA_SMP2P_H_
   7 #define _IPA_SMP2P_H_
   8
   9 #include <linux/types.h>
  10
  11 struct platform_device;
  12
  13 struct ipa;
  14
  15 /**
  16  * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem
  17  * @ipa:        IPA pointer
  18  * @pdev:       Platform device pointer
  19  * @modem_init: Whether the modem is responsible for GSI initialization
  20  *
  21  * Return:      0 if successful, or a negative error code
  22  */
  23 int ipa_smp2p_init(struct ipa *ipa, struct platform_device *pdev,
  24                    bool modem_init);
  25
  26 /**
  27  * ipa_smp2p_exit() - Inverse of ipa_smp2p_init()
  28  * @ipa:        IPA pointer
  29  */
  30 void ipa_smp2p_exit(struct ipa *ipa);
  31
  32 /**
  33  * ipa_smp2p_irq_disable_setup() - Disable the "setup ready" interrupt
  34  * @ipa:        IPA pointer
  35  *
  36  * Disable the "ipa-setup-ready" interrupt from the modem.
  37  */
  38 void ipa_smp2p_irq_disable_setup(struct ipa *ipa);
  39
  40 /**
  41  * ipa_smp2p_notify_reset() - Reset modem notification state
  42  * @ipa:        IPA pointer
  43  *
  44  * If the modem crashes it queries the IPA power state.  In cleaning
  45  * up after such a crash this is used to reset some state maintained
  46  * for managing this notification.
  47  */
  48 void ipa_smp2p_notify_reset(struct ipa *ipa);
  49
  50 #endif /* _IPA_SMP2P_H_ */