Lines Matching +full:ipa +full:- +full:ap +full:- +full:to +full:- +full:modem

1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2018-2024 Linaro Ltd.
25  * struct ipa - IPA information
27  * @version:		IPA hardware version
28  * @dev:		IPA device pointer
29  * @completion:		Used to signal pipeline clear transfer complete
33  * @power:		IPA power information
37  * @modem_route_count:	Number of modem entries in a routing table
39  * @interrupt:		IPA Interrupt information
42  * @reg_virt:		Virtual address used for IPA register access
43  * @regs:		IPA register definitions
44  * @mem_addr:		DMA address of IPA-local memory space
45  * @mem_virt:		Virtual address of IPA-local memory space
46  * @mem_offset:		Offset from @mem_virt used for access to IPA memory
49  * @mem:		Array of IPA-local memory region descriptors
50  * @imem_iova:		I/O virtual address of IPA region in IMEM
52  * @smem_iova:		I/O virtual address of IPA region in SMEM
54  * @zero_addr:		DMA address of preallocated zero-filled memory
55  * @zero_virt:		Virtual address of preallocated zero-filled memory
56  * @zero_size:		Size (bytes) of preallocated zero-filled memory
64  * @modem_tx_count:	Number of defined modem TX endoints
66  * @channel_map:	Mapping of GSI channel to IPA endpoint
67  * @name_map:		Mapping of IPA endpoint name to IPA endpoint
69  * @modem_state:	State of modem (stopped, running)
70  * @modem_netdev:	Network device structure used for modem
73 struct ipa {  struct
118 	u64 filtered;			/* Support filtering (AP and modem) */
135  * ipa_setup() - Perform IPA setup
136  * @ipa:		IPA pointer  argument
138  * IPA initialization is broken into stages:  init; config; and setup.
142  * any access to IPA hardware.  Activities performed at the config stage
143  * require IPA power, because they involve access to IPA registers.
145  * (more on this below).  The setup stage allows the AP to perform
147  * a special interface to the IPA.
151  * In order for the GSI hardware to be functional it needs firmware to be
152  * loaded (in addition to some other low-level initialization).  This early
153  * GSI initialization can be done either by Trust Zone on the AP or by the
154  * modem.
156  * If it's done by Trust Zone, the AP loads the GSI firmware and supplies
157  * it to Trust Zone to verify and install.  When this completes, if
161  * If the modem performs early GSI initialization, the AP needs to know
163  * and receipt of that interrupt triggers the call to ipa_setup().
165 int ipa_setup(struct ipa *ipa);