xref: /wlan-dirver/qca-wifi-host-cmn/hif/src/dispatcher/pci_api.h (revision c8e2987f9325baadee03d0265544a08c4a0217b0)
1 /*
2  * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
3  *
4  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
5  *
6  *
7  * Permission to use, copy, modify, and/or distribute this software for
8  * any purpose with or without fee is hereby granted, provided that the
9  * above copyright notice and this permission notice appear in all
10  * copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
13  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
14  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
15  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
16  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
17  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
18  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
19  * PERFORMANCE OF THIS SOFTWARE.
20  */
21 
22 /*
23  * This file was originally distributed by Qualcomm Atheros, Inc.
24  * under proprietary terms before Copyright ownership was assigned
25  * to the Linux Foundation.
26  */
27 #ifndef _PCI_API_H_
28 #define _PCI_API_H_
29 struct hif_exec_context;
30 
31 QDF_STATUS hif_pci_open(struct hif_softc *hif_ctx,
32 			enum qdf_bus_type bus_type);
33 void hif_pci_close(struct hif_softc *hif_ctx);
34 void hif_pci_prevent_linkdown(struct hif_softc *scn, bool flag);
35 void hif_pci_reset_soc(struct hif_softc *ol_sc);
36 int hif_pci_bus_suspend(struct hif_softc *scn);
37 int hif_pci_bus_suspend_noirq(struct hif_softc *scn);
38 int hif_pci_bus_resume(struct hif_softc *scn);
39 int hif_pci_bus_resume_noirq(struct hif_softc *scn);
40 int hif_pci_target_sleep_state_adjust(struct hif_softc *scn,
41 			bool sleep_ok, bool wait_for_it);
42 
43 void hif_pci_disable_isr(struct hif_softc *scn);
44 void hif_pci_nointrs(struct hif_softc *scn);
45 QDF_STATUS hif_pci_enable_bus(struct hif_softc *scn,
46 			struct device *dev, void *bdev,
47 			const struct hif_bus_id *bid,
48 			enum hif_enable_type type);
49 void hif_pci_disable_bus(struct hif_softc *scn);
50 int hif_pci_bus_configure(struct hif_softc *scn);
51 void hif_pci_irq_disable(struct hif_softc *scn, int ce_id);
52 void hif_pci_irq_enable(struct hif_softc *scn, int ce_id);
53 int hif_pci_dump_registers(struct hif_softc *scn);
54 void hif_pci_enable_power_management(struct hif_softc *hif_ctx,
55 				 bool is_packet_log_enabled);
56 void hif_pci_disable_power_management(struct hif_softc *hif_ctx);
57 int hif_pci_configure_grp_irq(struct hif_softc *scn,
58 			      struct hif_exec_context *exec);
59 void hif_pci_display_stats(struct hif_softc *hif_ctx);
60 void hif_pci_clear_stats(struct hif_softc *hif_ctx);
61 int hif_pci_legacy_map_ce_to_irq(struct hif_softc *scn, int ce_id);
62 bool hif_pci_needs_bmi(struct hif_softc *scn);
63 #endif /* _PCI_API_H_ */
64