Lines Matching +full:ipa +full:- +full:setup +full:- +full:ready

1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2018-2020 Linaro Ltd.
31  * enum ipa_flag - IPA state flags
33  * @IPA_FLAG_COUNT:	Number of defined IPA flags
41  * struct ipa - IPA information
44  * @version:		IPA hardware version
48  * @clock:		IPA clocking information
51  * @interrupt:		IPA Interrupt information
52  * @uc_loaded:		true after microcontroller has reported it's ready
53  * @reg_addr:		DMA address used for IPA register access
54  * @reg_virt:		Virtual address used for IPA register access
55  * @mem_addr:		DMA address of IPA-local memory space
56  * @mem_virt:		Virtual address of IPA-local memory space
57  * @mem_offset:		Offset from @mem_virt used for access to IPA memory
60  * @mem:		Array of IPA-local memory region descriptors
61  * @imem_iova:		I/O virtual address of IPA region in IMEM
63  * @smem_iova:		I/O virtual address of IPA region in SMEM
65  * @zero_addr:		DMA address of preallocated zero-filled memory
66  * @zero_virt:		Virtual address of preallocated zero-filled memory
67  * @zero_size:		Size (bytes) of preallocated zero-filled memory
75  * @channel_map:	Mapping of GSI channel to IPA endpoint
76  * @name_map:		Mapping of IPA endpoint name to IPA endpoint
77  * @setup_complete:	Flag indicating whether setup stage has completed
82 struct ipa {  struct
138  * ipa_setup() - Perform IPA setup
139  * @ipa:		IPA pointer  argument
141  * IPA initialization is broken into stages:  init; config; and setup.
145  * any access to IPA hardware.  Activities performed at the config stage
146  * require the IPA clock to be running, because they involve access
147  * to IPA registers.  The setup stage is performed only after the GSI
148  * hardware is ready (more on this below).  The setup stage allows
150  * commands" using a special interface to the IPA.
152  * This function, @ipa_setup(), starts the setup stage.
155  * loaded (in addition to some other low-level initialization).  This early
161  * verification was successful, the GSI layer is ready and ipa_setup()
162  * implements the setup phase of initialization.
168 int ipa_setup(struct ipa *ipa);