1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
10 #include <linux/dma-direction.h>
24 struct host1x;
28 u64 host1x_get_dma_mask(struct host1x *host1x);
31  * struct host1x_bo_cache - host1x buffer object cache
47 	INIT_LIST_HEAD(&cache->mappings);  in host1x_bo_cache_init()
48 	mutex_init(&cache->lock);  in host1x_bo_cache_init()
54 	mutex_destroy(&cache->lock);  in host1x_bo_cache_destroy()
58  * struct host1x_client_ops - host1x client operations
59  * @early_init: host1x client early initialization code
60  * @init: host1x client initialization code
61  * @exit: host1x client tear down code
62  * @late_exit: host1x client late tear down code
63  * @suspend: host1x client suspend code
64  * @resume: host1x client resume code
76  * struct host1x_client - host1x client structure
77  * @list: list node for the host1x client
78  * @host: pointer to struct device representing the host1x controller
79  * @dev: pointer to struct device backing this host1x client
81  * @ops: host1x client operations
82  * @class: host1x class represented by this client
83  * @channel: host1x channel associated with this client
89  * @cache: host1x buffer object cache
99 	enum host1x_class class;  member
113  * host1x buffer objects
159 	INIT_LIST_HEAD(&bo->mappings);  in host1x_bo_init()
160 	spin_lock_init(&bo->lock);  in host1x_bo_init()
161 	bo->ops = ops;  in host1x_bo_init()
166 	return bo->ops->get(bo);  in host1x_bo_get()
171 	bo->ops->put(bo);  in host1x_bo_put()
181 	return bo->ops->mmap(bo);  in host1x_bo_mmap()
186 	bo->ops->munmap(bo, addr);  in host1x_bo_munmap()
190  * host1x syncpoints
198 struct host1x;
200 struct host1x_syncpt *host1x_syncpt_get_by_id(struct host1x *host, u32 id);
201 struct host1x_syncpt *host1x_syncpt_get_by_id_noref(struct host1x *host, u32 id);
214 struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host,
227  * host1x channel
240  * host1x job
310 	int (*is_addr_reg)(struct device *dev, u32 class, u32 reg);
312 	/* Check if class belongs to the unit */
313 	int (*is_valid_class)(u32 class);
315 	/* Request a SETCLASS to this class */
316 	u32 class;  member
321 	/* Fast-forward syncpoint increments on job timeout */
328 	/* Whether host1x-side firewall should be ran for this job or not */
359  * struct host1x_driver - host1x logical device driver
363  * @probe: called when the host1x logical device is probed
364  * @remove: called when the host1x logical device is removed
365  * @shutdown: called when the host1x logical device is shut down
430  * register a host1x client must first initialize using either of the
432  * the low-level __host1x_client_register() function to avoid the client
457 /* host1x memory contexts */
460 	struct host1x *host;
471 struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x,
476 static inline struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x,  in host1x_memory_context_alloc()  argument