Lines Matching +full:controller +full:- +full:data
1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
10 #include <linux/dma-direction.h>
27 * enum mhi_callback - MHI callback
29 * @MHI_CB_PENDING_DATA: New data available for client to process
51 * enum mhi_flags - Transfer flags
63 * enum mhi_device_type - Device types
64 * @MHI_DEVICE_XFER: Handles data transfer
73 * enum mhi_ch_type - Channel types
89 * struct image_info - Firmware and RDDM table
102 * struct mhi_link_info - BW requirement
103 * target_link_speed - Link speed as defined by TLS bits in LinkControl reg
104 * target_link_width - Link width as defined by NLW bits in LinkStatus reg
112 * enum mhi_ee_type - Execution environment types
136 * enum mhi_state - MHI states
161 * enum mhi_ch_ee_mask - Execution environment mask for channel
181 * enum mhi_er_data_type - Event ring data types
182 * @MHI_ER_DATA: Only client data over this ring
183 * @MHI_ER_CTRL: MHI control data and client data
191 * enum mhi_db_brst_mode - Doorbell mode
201 * struct mhi_channel_config - Channel configuration structure for controller
207 * @dir: Direction that data may flow on this channel
218 * @wake-capable: Channel capable of waking up the system
240 * struct mhi_event_config - Event ring configuration structure for controller
244 * @channel: Dedicated channel number. U32_MAX indicates a non-dedicated ring
247 * @data_type: Type of data this ring will process
266 * struct mhi_controller_config - Root MHI controller configuration
290 * struct mhi_controller - Master MHI controller structure
292 * controller (required)
293 * @mhi_dev: MHI device instance for the controller
294 * @debugfs_dentry: MHI controller debugfs directory
299 * @iova_start: IOMMU starting address for data (required)
300 * @iova_stop: IOMMU stop address for data (required)
312 * @max_chan: Maximum number of channels the controller supports
317 * @family_number: MHI controller family number
318 * @device_number: MHI controller device number
319 * @major_version: MHI controller major revision number
320 * @minor_version: MHI controller minor revision number
321 * @serial_number: MHI controller serial number obtained from BHI
322 * @oem_pk_hash: MHI controller OEM PK Hash obtained from BHI
334 * @pending_pkts: Pending packets for the controller
344 * @wake_put: CB function to de-assert device wake (optional)
345 * @wake_toggle: CB function to assert and de-assert device wake (optional)
346 * @runtime_get: CB function to controller runtime resume (required)
355 * @pre_init: MHI host needs to do pre-initialization before power up
358 * Fields marked as (required) need to be populated by the controller driver
364 * by the controller drivers. The MHI stack will just populate these fields
450 * struct mhi_device - Structure representing an MHI device which binds
454 * @mhi_cntrl: Controller the device belongs to
477 * struct mhi_result - Completed buffer information
478 * @buf_addr: Address of data buffer
491 * struct mhi_buf - MHI Buffer description
494 * ECA - Event context array data
495 * CCA - Channel context array data
507 * struct mhi_driver - Structure representing a MHI client driver
510 * @ul_xfer_cb: CB function for UL data transfer
511 * @dl_xfer_cb: CB function for DL data transfer
532 * mhi_alloc_controller - Allocate the MHI Controller structure
538 * mhi_free_controller - Free the MHI Controller structure
544 * mhi_register_controller - Register MHI controller
545 * @mhi_cntrl: MHI controller to register
546 * @config: Configuration to use for the controller
552 * mhi_unregister_controller - Unregister MHI controller
553 * @mhi_cntrl: MHI controller to unregister
558 * module_mhi_driver() - Helper macro for drivers that don't do
574 * __mhi_driver_register - Register driver with MHI framework
581 * mhi_driver_unregister - Unregister a driver for mhi_devices
587 * mhi_set_mhi_state - Set MHI device state
588 * @mhi_cntrl: MHI controller
595 * mhi_notify - Notify the MHI client driver about client device status
602 * mhi_prepare_for_power_up - Do pre-initialization before power up.
604 * the controller does not want bus framework to
607 * @mhi_cntrl: MHI controller
612 * mhi_async_power_up - Start MHI power up sequence
613 * @mhi_cntrl: MHI controller
618 * mhi_sync_power_up - Start MHI power up sequence and wait till the device
620 * @mhi_cntrl: MHI controller
625 * mhi_power_down - Start MHI power down sequence
626 * @mhi_cntrl: MHI controller
632 * mhi_unprepare_after_power_down - Free any allocated memory after power down
633 * @mhi_cntrl: MHI controller
638 * mhi_pm_suspend - Move MHI into a suspended state
639 * @mhi_cntrl: MHI controller
644 * mhi_pm_resume - Resume MHI from suspended state
645 * @mhi_cntrl: MHI controller
650 * mhi_download_rddm_img - Download ramdump image from device for
652 * @mhi_cntrl: MHI controller
658 * mhi_force_rddm_mode - Force device into rddm mode
659 * @mhi_cntrl: MHI controller
664 * mhi_get_mhi_state - Get MHI state of the device
665 * @mhi_cntrl: MHI controller
670 * mhi_device_get - Disable device low power mode
676 * mhi_device_get_sync - Disable device low power mode. Synchronously
677 * take the controller out of suspended state
683 * mhi_device_put - Re-enable device low power mode
689 * mhi_prepare_for_transfer - Setup channel for data transfer
695 * mhi_unprepare_from_transfer - Unprepare the channels
701 * mhi_poll - Poll for any available data in DL direction
708 * mhi_queue_dma - Send or receive DMA mapped buffers from client device
712 * @mhi_buf: Buffer for holding the DMA mapped data
720 * mhi_queue_buf - Send or receive raw buffers from client device over MHI
724 * @buf: Buffer for holding the data
732 * mhi_queue_skb - Send or receive SKBs from client device over MHI channel