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
138 * enum mhi_state - MHI states
163 * enum mhi_ch_ee_mask - Execution environment mask for channel
183 * enum mhi_er_data_type - Event ring data types
184 * @MHI_ER_DATA: Only client data over this ring
185 * @MHI_ER_CTRL: MHI control data and client data
193 * enum mhi_db_brst_mode - Doorbell mode
203 * struct mhi_channel_config - Channel configuration structure for controller
209 * @dir: Direction that data may flow on this channel
219 * @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)
302 * @fw_data: Firmware image data content for normal booting, used only
304 * @fw_sz: Firmware image data size for normal booting, used only if fw_image
316 * @max_chan: Maximum number of channels the controller supports
321 * @family_number: MHI controller family number
322 * @device_number: MHI controller device number
323 * @major_version: MHI controller major revision number
324 * @minor_version: MHI controller minor revision number
325 * @serial_number: MHI controller serial number obtained from BHI
326 * @oem_pk_hash: MHI controller OEM PK Hash obtained from BHI
338 * @pending_pkts: Pending packets for the controller
349 * @wake_put: CB function to de-assert device wake (optional)
350 * @wake_toggle: CB function to assert and de-assert device wake (optional)
351 * @runtime_get: CB function to controller runtime resume (required)
357 * @reset: Controller specific reset function (optional)
359 * @index: Index of the MHI controller instance
366 * Fields marked as (required) need to be populated by the controller driver
372 * by the controller drivers. The MHI stack will just populate these fields
464 * struct mhi_device - Structure representing an MHI device which binds
468 * @mhi_cntrl: Controller the device belongs to
491 * struct mhi_result - Completed buffer information
492 * @buf_addr: Address of data buffer
505 * struct mhi_buf - MHI Buffer description
508 * ECA - Event context array data
509 * CCA - Channel context array data
521 * struct mhi_driver - Structure representing a MHI client driver
524 * @ul_xfer_cb: CB function for UL data transfer
525 * @dl_xfer_cb: CB function for DL data transfer
546 * mhi_alloc_controller - Allocate the MHI Controller structure
552 * mhi_free_controller - Free the MHI Controller structure
558 * mhi_register_controller - Register MHI controller
559 * @mhi_cntrl: MHI controller to register
560 * @config: Configuration to use for the controller
566 * mhi_unregister_controller - Unregister MHI controller
567 * @mhi_cntrl: MHI controller to unregister
572 * module_mhi_driver() - Helper macro for drivers that don't do
588 * __mhi_driver_register - Register driver with MHI framework
595 * mhi_driver_unregister - Unregister a driver for mhi_devices
601 * mhi_set_mhi_state - Set MHI device state
602 * @mhi_cntrl: MHI controller
609 * mhi_notify - Notify the MHI client driver about client device status
616 * mhi_get_free_desc_count - Get transfer ring length
625 * mhi_prepare_for_power_up - Do pre-initialization before power up.
627 * the controller does not want bus framework to
630 * @mhi_cntrl: MHI controller
635 * mhi_async_power_up - Start MHI power up sequence
636 * @mhi_cntrl: MHI controller
641 * mhi_sync_power_up - Start MHI power up sequence and wait till the device
643 * @mhi_cntrl: MHI controller
648 * mhi_power_down - Start MHI power down sequence
649 * @mhi_cntrl: MHI controller
655 * mhi_unprepare_after_power_down - Free any allocated memory after power down
656 * @mhi_cntrl: MHI controller
661 * mhi_pm_suspend - Move MHI into a suspended state
662 * @mhi_cntrl: MHI controller
667 * mhi_pm_resume - Resume MHI from suspended state
668 * @mhi_cntrl: MHI controller
673 * mhi_pm_resume_force - Force resume MHI from suspended state
674 * @mhi_cntrl: MHI controller
686 * mhi_download_rddm_image - Download ramdump image from device for
688 * @mhi_cntrl: MHI controller
694 * mhi_force_rddm_mode - Force device into rddm mode
695 * @mhi_cntrl: MHI controller
700 * mhi_get_exec_env - Get BHI execution environment of the device
701 * @mhi_cntrl: MHI controller
706 * mhi_get_mhi_state - Get MHI state of the device
707 * @mhi_cntrl: MHI controller
712 * mhi_soc_reset - Trigger a device reset. This can be used as a last resort
714 * @mhi_cntrl: MHI controller
719 * mhi_device_get - Disable device low power mode
725 * mhi_device_get_sync - Disable device low power mode. Synchronously
726 * take the controller out of suspended state
732 * mhi_device_put - Re-enable device low power mode
738 * mhi_prepare_for_transfer - Setup UL and DL channels for data transfer.
748 * mhi_prepare_for_transfer_autoqueue - Setup UL and DL channels with auto queue
760 * mhi_unprepare_from_transfer - Reset UL and DL channels for data transfer.
762 * device clean-up the context so no incoming
766 * clean-up. Channels can be reset only if both
775 * mhi_queue_dma - Send or receive DMA mapped buffers from client device
779 * @mhi_buf: Buffer for holding the DMA mapped data
787 * mhi_queue_buf - Send or receive raw buffers from client device over MHI
791 * @buf: Buffer for holding the data
799 * mhi_queue_skb - Send or receive SKBs from client device over MHI channel
810 * mhi_queue_is_full - Determine whether queueing new elements is possible