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>
11 #include <linux/dma-fence.h>
25 struct host1x;
29 u64 host1x_get_dma_mask(struct host1x *host1x);
32  * struct host1x_bo_cache - host1x buffer object cache
48 	INIT_LIST_HEAD(&cache->mappings);  in host1x_bo_cache_init()
49 	mutex_init(&cache->lock);  in host1x_bo_cache_init()
55 	mutex_destroy(&cache->lock);  in host1x_bo_cache_destroy()
59  * struct host1x_client_ops - host1x client operations
60  * @early_init: host1x client early initialization code
61  * @init: host1x client initialization code
62  * @exit: host1x client tear down code
63  * @late_exit: host1x client late tear down code
64  * @suspend: host1x client suspend code
65  * @resume: host1x client resume code
77  * struct host1x_client - host1x client structure
78  * @list: list node for the host1x client
79  * @host: pointer to struct device representing the host1x controller
80  * @dev: pointer to struct device backing this host1x client
82  * @ops: host1x client operations
83  * @class: host1x class represented by this client
84  * @channel: host1x channel associated with this client
90  * @cache: host1x buffer object cache
100 	enum host1x_class class;  member
114  * host1x buffer objects
160 	INIT_LIST_HEAD(&bo->mappings);  in host1x_bo_init()
161 	spin_lock_init(&bo->lock);  in host1x_bo_init()
162 	bo->ops = ops;  in host1x_bo_init()
167 	return bo->ops->get(bo);  in host1x_bo_get()
172 	bo->ops->put(bo);  in host1x_bo_put()
182 	return bo->ops->mmap(bo);  in host1x_bo_mmap()
187 	bo->ops->munmap(bo, addr);  in host1x_bo_munmap()
191  * host1x syncpoints
199 struct host1x;
201 struct host1x_syncpt *host1x_syncpt_get_by_id(struct host1x *host, u32 id);
202 struct host1x_syncpt *host1x_syncpt_get_by_id_noref(struct host1x *host, u32 id);
215 struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host,
230  * host1x channel
243  * host1x job
314 	int (*is_addr_reg)(struct device *dev, u32 class, u32 reg);
316 	/* Check if class belongs to the unit */
317 	int (*is_valid_class)(u32 class);
319 	/* Request a SETCLASS to this class */
320 	u32 class;  member
325 	/* Fast-forward syncpoint increments on job timeout */
332 	/* Whether host1x-side firewall should be ran for this job or not */
363  * struct host1x_driver - host1x logical device driver
367  * @probe: called when the host1x logical device is probed
368  * @remove: called when the host1x logical device is removed
369  * @shutdown: called when the host1x logical device is shut down
434  * register a host1x client must first initialize using either of the
436  * the low-level __host1x_client_register() function to avoid the client
461 /* host1x memory contexts */
464 	struct host1x *host;
476 struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x,
482 static inline struct host1x_memory_context *host1x_memory_context_alloc(struct host1x *host1x,  in host1x_memory_context_alloc()  argument