xref: /wlan-dirver/qca-wifi-host-cmn/hif/src/snoc/hif_io32_snoc.h (revision 6ecd284e5a94a1c96e26d571dd47419ac305990d)
1 /*
2  * Copyright (c) 2015-2018 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 
28 /**
29  * DOC: hif_io32_snoc.h
30  *
31  * snoc specific implementations and configurations
32  */
33 
34 #ifndef __HIF_IO32_SNOC_H__
35 #define __HIF_IO32_SNOC_H__
36 
37 #include "hif.h"
38 #include "regtable.h"
39 #include "ce_reg.h"
40 #include "qdf_atomic.h"
41 #include "hif_main.h"
42 #include "hif_debug.h"
43 
44 static inline void ce_enable_irq_in_individual_register(struct hif_softc *scn,
45 		int ce_id)
46 {
47 	uint32_t offset;
48 
49 	offset = HOST_IE_ADDRESS + CE_BASE_ADDRESS(ce_id);
50 	if (!TARGET_REGISTER_ACCESS_ALLOWED(scn)) {
51 		hif_err_rl("%s: target access is not allowed", __func__);
52 		return;
53 	}
54 	hif_write32_mb(scn->mem + offset, 1);
55 }
56 
57 static inline void ce_disable_irq_in_individual_register(struct hif_softc *scn,
58 		int ce_id)
59 {
60 	uint32_t offset;
61 
62 	offset = HOST_IE_ADDRESS + CE_BASE_ADDRESS(ce_id);
63 	if (!TARGET_REGISTER_ACCESS_ALLOWED(scn)) {
64 		hif_err_rl("%s: target access is not allowed", __func__);
65 		return;
66 	}
67 	hif_write32_mb(scn->mem + offset, 0);
68 
69 	if (!TARGET_REGISTER_ACCESS_ALLOWED(scn)) {
70 		hif_err_rl("%s: target access is not allowed", __func__);
71 		return;
72 	}
73 	hif_read32_mb(scn->mem + offset);
74 }
75 #endif
76