[mirror_ubuntu-jammy-kernel.git] / include / linux / host1x.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
 */

#ifndef __LINUX_HOST1X_H
#define __LINUX_HOST1X_H

#include <linux/device.h>
#include <linux/types.h>

enum host1x_class {
	HOST1X_CLASS_HOST1X = 0x1,
	HOST1X_CLASS_GR2D = 0x51,
	HOST1X_CLASS_GR2D_SB = 0x52,
	HOST1X_CLASS_VIC = 0x5D,
	HOST1X_CLASS_GR3D = 0x60,
};

struct host1x;
struct host1x_client;
struct iommu_group;

u64 host1x_get_dma_mask(struct host1x *host1x);

/**
 * struct host1x_client_ops - host1x client operations
 * @early_init: host1x client early initialization code
 * @init: host1x client initialization code
 * @exit: host1x client tear down code
 * @late_exit: host1x client late tear down code
 * @suspend: host1x client suspend code
 * @resume: host1x client resume code
 */
struct host1x_client_ops {
	int (*early_init)(struct host1x_client *client);
	int (*init)(struct host1x_client *client);
	int (*exit)(struct host1x_client *client);
	int (*late_exit)(struct host1x_client *client);
	int (*suspend)(struct host1x_client *client);
	int (*resume)(struct host1x_client *client);
};

/**
 * struct host1x_client - host1x client structure
 * @list: list node for the host1x client
 * @host: pointer to struct device representing the host1x controller
 * @dev: pointer to struct device backing this host1x client
 * @group: IOMMU group that this client is a member of
 * @ops: host1x client operations
 * @class: host1x class represented by this client
 * @channel: host1x channel associated with this client
 * @syncpts: array of syncpoints requested for this client
 * @num_syncpts: number of syncpoints requested for this client
 * @parent: pointer to parent structure
 * @usecount: reference count for this structure
 * @lock: mutex for mutually exclusive concurrency
 */
struct host1x_client {
	struct list_head list;
	struct device *host;
	struct device *dev;
	struct iommu_group *group;

	const struct host1x_client_ops *ops;

	enum host1x_class class;
	struct host1x_channel *channel;

	struct host1x_syncpt **syncpts;
	unsigned int num_syncpts;

	struct host1x_client *parent;
	unsigned int usecount;
	struct mutex lock;
};

/*
 * host1x buffer objects
 */

struct host1x_bo;
struct sg_table;

struct host1x_bo_ops {
	struct host1x_bo *(*get)(struct host1x_bo *bo);
	void (*put)(struct host1x_bo *bo);
	struct sg_table *(*pin)(struct device *dev, struct host1x_bo *bo,
				dma_addr_t *phys);
	void (*unpin)(struct device *dev, struct sg_table *sgt);
	void *(*mmap)(struct host1x_bo *bo);
	void (*munmap)(struct host1x_bo *bo, void *addr);
};

struct host1x_bo {
	const struct host1x_bo_ops *ops;
};

static inline void host1x_bo_init(struct host1x_bo *bo,
				  const struct host1x_bo_ops *ops)
{
	bo->ops = ops;
}

static inline struct host1x_bo *host1x_bo_get(struct host1x_bo *bo)
{
	return bo->ops->get(bo);
}

static inline void host1x_bo_put(struct host1x_bo *bo)
{
	bo->ops->put(bo);
}

static inline struct sg_table *host1x_bo_pin(struct device *dev,
					     struct host1x_bo *bo,
					     dma_addr_t *phys)
{
	return bo->ops->pin(dev, bo, phys);
}

static inline void host1x_bo_unpin(struct device *dev, struct host1x_bo *bo,
				   struct sg_table *sgt)
{
	bo->ops->unpin(dev, sgt);
}

static inline void *host1x_bo_mmap(struct host1x_bo *bo)
{
	return bo->ops->mmap(bo);
}

static inline void host1x_bo_munmap(struct host1x_bo *bo, void *addr)
{
	bo->ops->munmap(bo, addr);
}

/*
 * host1x syncpoints
 */

#define HOST1X_SYNCPT_CLIENT_MANAGED	(1 << 0)
#define HOST1X_SYNCPT_HAS_BASE		(1 << 1)

struct host1x_syncpt_base;
struct host1x_syncpt;
struct host1x;

struct host1x_syncpt *host1x_syncpt_get_by_id(struct host1x *host, u32 id);
struct host1x_syncpt *host1x_syncpt_get_by_id_noref(struct host1x *host, u32 id);
struct host1x_syncpt *host1x_syncpt_get(struct host1x_syncpt *sp);
u32 host1x_syncpt_id(struct host1x_syncpt *sp);
u32 host1x_syncpt_read_min(struct host1x_syncpt *sp);
u32 host1x_syncpt_read_max(struct host1x_syncpt *sp);
u32 host1x_syncpt_read(struct host1x_syncpt *sp);
int host1x_syncpt_incr(struct host1x_syncpt *sp);
u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs);
int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout,
		       u32 *value);
struct host1x_syncpt *host1x_syncpt_request(struct host1x_client *client,
					    unsigned long flags);
void host1x_syncpt_put(struct host1x_syncpt *sp);
struct host1x_syncpt *host1x_syncpt_alloc(struct host1x *host,
					  unsigned long flags,
					  const char *name);

struct host1x_syncpt_base *host1x_syncpt_get_base(struct host1x_syncpt *sp);
u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base);

void host1x_syncpt_release_vblank_reservation(struct host1x_client *client,
					      u32 syncpt_id);

/*
 * host1x channel
 */

struct host1x_channel;
struct host1x_job;

struct host1x_channel *host1x_channel_request(struct host1x_client *client);
struct host1x_channel *host1x_channel_get(struct host1x_channel *channel);
void host1x_channel_put(struct host1x_channel *channel);
int host1x_job_submit(struct host1x_job *job);

/*
 * host1x job
 */

#define HOST1X_RELOC_READ	(1 << 0)
#define HOST1X_RELOC_WRITE	(1 << 1)

struct host1x_reloc {
	struct {
		struct host1x_bo *bo;
		unsigned long offset;
	} cmdbuf;
	struct {
		struct host1x_bo *bo;
		unsigned long offset;
	} target;
	unsigned long shift;
	unsigned long flags;
};

struct host1x_job {
	/* When refcount goes to zero, job can be freed */
	struct kref ref;

	/* List entry */
	struct list_head list;

	/* Channel where job is submitted to */
	struct host1x_channel *channel;

	/* client where the job originated */
	struct host1x_client *client;

	/* Gathers and their memory */
	struct host1x_job_gather *gathers;
	unsigned int num_gathers;

	/* Array of handles to be pinned & unpinned */
	struct host1x_reloc *relocs;
	unsigned int num_relocs;
	struct host1x_job_unpin_data *unpins;
	unsigned int num_unpins;

	dma_addr_t *addr_phys;
	dma_addr_t *gather_addr_phys;
	dma_addr_t *reloc_addr_phys;

	/* Sync point id, number of increments and end related to the submit */
	struct host1x_syncpt *syncpt;
	u32 syncpt_incrs;
	u32 syncpt_end;

	/* Maximum time to wait for this job */
	unsigned int timeout;

	/* Index and number of slots used in the push buffer */
	unsigned int first_get;
	unsigned int num_slots;

	/* Copy of gathers */
	size_t gather_copy_size;
	dma_addr_t gather_copy;
	u8 *gather_copy_mapped;

	/* Check if register is marked as an address reg */
	int (*is_addr_reg)(struct device *dev, u32 class, u32 reg);

	/* Check if class belongs to the unit */
	int (*is_valid_class)(u32 class);

	/* Request a SETCLASS to this class */
	u32 class;

	/* Add a channel wait for previous ops to complete */
	bool serialize;
};

struct host1x_job *host1x_job_alloc(struct host1x_channel *ch,
				    u32 num_cmdbufs, u32 num_relocs);
void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *bo,
			   unsigned int words, unsigned int offset);
struct host1x_job *host1x_job_get(struct host1x_job *job);
void host1x_job_put(struct host1x_job *job);
int host1x_job_pin(struct host1x_job *job, struct device *dev);
void host1x_job_unpin(struct host1x_job *job);

/*
 * subdevice probe infrastructure
 */

struct host1x_device;

/**
 * struct host1x_driver - host1x logical device driver
 * @driver: core driver
 * @subdevs: table of OF device IDs matching subdevices for this driver
 * @list: list node for the driver
 * @probe: called when the host1x logical device is probed
 * @remove: called when the host1x logical device is removed
 * @shutdown: called when the host1x logical device is shut down
 */
struct host1x_driver {
	struct device_driver driver;

	const struct of_device_id *subdevs;
	struct list_head list;

	int (*probe)(struct host1x_device *device);
	int (*remove)(struct host1x_device *device);
	void (*shutdown)(struct host1x_device *device);
};

static inline struct host1x_driver *
to_host1x_driver(struct device_driver *driver)
{
	return container_of(driver, struct host1x_driver, driver);
}

int host1x_driver_register_full(struct host1x_driver *driver,
				struct module *owner);
void host1x_driver_unregister(struct host1x_driver *driver);

#define host1x_driver_register(driver) \
	host1x_driver_register_full(driver, THIS_MODULE)

struct host1x_device {
	struct host1x_driver *driver;
	struct list_head list;
	struct device dev;

	struct mutex subdevs_lock;
	struct list_head subdevs;
	struct list_head active;

	struct mutex clients_lock;
	struct list_head clients;

	bool registered;

	struct device_dma_parameters dma_parms;
};

static inline struct host1x_device *to_host1x_device(struct device *dev)
{
	return container_of(dev, struct host1x_device, dev);
}

int host1x_device_init(struct host1x_device *device);
int host1x_device_exit(struct host1x_device *device);

void __host1x_client_init(struct host1x_client *client, struct lock_class_key *key);
void host1x_client_exit(struct host1x_client *client);

#define host1x_client_init(client)			\
	({						\
		static struct lock_class_key __key;	\
		__host1x_client_init(client, &__key);	\
	})

int __host1x_client_register(struct host1x_client *client);

/*
 * Note that this wrapper calls __host1x_client_init() for compatibility
 * with existing callers. Callers that want to separately initialize and
 * register a host1x client must first initialize using either of the
 * __host1x_client_init() or host1x_client_init() functions and then use
 * the low-level __host1x_client_register() function to avoid the client
 * getting reinitialized.
 */
#define host1x_client_register(client)			\
	({						\
		static struct lock_class_key __key;	\
		__host1x_client_init(client, &__key);	\
		__host1x_client_register(client);	\
	})

int host1x_client_unregister(struct host1x_client *client);

int host1x_client_suspend(struct host1x_client *client);
int host1x_client_resume(struct host1x_client *client);

struct tegra_mipi_device;

struct tegra_mipi_device *tegra_mipi_request(struct device *device,
					     struct device_node *np);
void tegra_mipi_free(struct tegra_mipi_device *device);
int tegra_mipi_enable(struct tegra_mipi_device *device);
int tegra_mipi_disable(struct tegra_mipi_device *device);
int tegra_mipi_start_calibration(struct tegra_mipi_device *device);
int tegra_mipi_finish_calibration(struct tegra_mipi_device *device);

#endif
Commit	Line	Data
16216333	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
6579324a	2	/*
6579324a	3	* Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
6579324a TB	4	*/
	5
	6	#ifndef __LINUX_HOST1X_H
	7	#define __LINUX_HOST1X_H
	8
776dc384	9	#include <linux/device.h>
35d747a8 TR	10	#include <linux/types.h>
35d747a8 TR	11
6579324a	12	enum host1x_class {
e1e90644 TR	13	HOST1X_CLASS_HOST1X = 0x1,
	14	HOST1X_CLASS_GR2D = 0x51,
	15	HOST1X_CLASS_GR2D_SB = 0x52,
0ae797a8	16	HOST1X_CLASS_VIC = 0x5D,
5f60ed0d	17	HOST1X_CLASS_GR3D = 0x60,
6579324a TB	18	};
6579324a TB	19
501be6c1	20	struct host1x;
53fa7f72	21	struct host1x_client;
aacdf198	22	struct iommu_group;
53fa7f72	23
501be6c1 TR	24	u64 host1x_get_dma_mask(struct host1x *host1x);
501be6c1 TR	25
466749f1 TR	26	/**
466749f1 TR	27	* struct host1x_client_ops - host1x client operations
933deb8c	28	* @early_init: host1x client early initialization code
466749f1 TR	29	* @init: host1x client initialization code
466749f1 TR	30	* @exit: host1x client tear down code
933deb8c	31	* @late_exit: host1x client late tear down code
fd67e9c6 TR	32	* @suspend: host1x client suspend code
fd67e9c6 TR	33	* @resume: host1x client resume code
466749f1	34	*/
53fa7f72	35	struct host1x_client_ops {
933deb8c	36	int (early_init)(struct host1x_client client);
53fa7f72 TR	37	int (init)(struct host1x_client client);
53fa7f72 TR	38	int (exit)(struct host1x_client client);
933deb8c	39	int (late_exit)(struct host1x_client client);
fd67e9c6 TR	40	int (suspend)(struct host1x_client client);
fd67e9c6 TR	41	int (resume)(struct host1x_client client);
53fa7f72 TR	42	};
53fa7f72 TR	43
466749f1 TR	44	/**
	45	* struct host1x_client - host1x client structure
	46	* @list: list node for the host1x client
608f43ad	47	* @host: pointer to struct device representing the host1x controller
466749f1	48	* @dev: pointer to struct device backing this host1x client
aacdf198	49	* @group: IOMMU group that this client is a member of
466749f1 TR	50	* @ops: host1x client operations
	51	* @class: host1x class represented by this client
	52	* @channel: host1x channel associated with this client
	53	* @syncpts: array of syncpoints requested for this client
	54	* @num_syncpts: number of syncpoints requested for this client
2fd2bc7f CL	55	* @parent: pointer to parent structure
	56	* @usecount: reference count for this structure
	57	* @lock: mutex for mutually exclusive concurrency
466749f1	58	*/
53fa7f72 TR	59	struct host1x_client {
53fa7f72 TR	60	struct list_head list;
608f43ad	61	struct device *host;
53fa7f72	62	struct device *dev;
aacdf198	63	struct iommu_group *group;
53fa7f72 TR	64
	65	const struct host1x_client_ops *ops;
	66
	67	enum host1x_class class;
	68	struct host1x_channel *channel;
	69
	70	struct host1x_syncpt **syncpts;
	71	unsigned int num_syncpts;
fd67e9c6 TR	72
	73	struct host1x_client *parent;
	74	unsigned int usecount;
	75	struct mutex lock;
53fa7f72 TR	76	};
53fa7f72 TR	77
35d747a8 TR	78	/*
	79	* host1x buffer objects
	80	*/
	81
	82	struct host1x_bo;
	83	struct sg_table;
	84
	85	struct host1x_bo_ops {
	86	struct host1x_bo (get)(struct host1x_bo *bo);
	87	void (put)(struct host1x_bo bo);
80327ce3 TR	88	struct sg_table (pin)(struct device dev, struct host1x_bo bo,
	89	dma_addr_t *phys);
	90	void (unpin)(struct device dev, struct sg_table *sgt);
35d747a8 TR	91	void (mmap)(struct host1x_bo *bo);
35d747a8 TR	92	void (munmap)(struct host1x_bo bo, void *addr);
35d747a8 TR	93	};
	94
	95	struct host1x_bo {
	96	const struct host1x_bo_ops *ops;
	97	};
	98
	99	static inline void host1x_bo_init(struct host1x_bo *bo,
	100	const struct host1x_bo_ops *ops)
	101	{
	102	bo->ops = ops;
	103	}
	104
	105	static inline struct host1x_bo host1x_bo_get(struct host1x_bo bo)
	106	{
	107	return bo->ops->get(bo);
	108	}
	109
	110	static inline void host1x_bo_put(struct host1x_bo *bo)
	111	{
	112	bo->ops->put(bo);
	113	}
	114
80327ce3 TR	115	static inline struct sg_table host1x_bo_pin(struct device dev,
	116	struct host1x_bo *bo,
	117	dma_addr_t *phys)
35d747a8	118	{
80327ce3	119	return bo->ops->pin(dev, bo, phys);
35d747a8 TR	120	}
35d747a8 TR	121
80327ce3 TR	122	static inline void host1x_bo_unpin(struct device dev, struct host1x_bo bo,
80327ce3 TR	123	struct sg_table *sgt)
35d747a8	124	{
80327ce3	125	bo->ops->unpin(dev, sgt);
35d747a8 TR	126	}
	127
	128	static inline void host1x_bo_mmap(struct host1x_bo bo)
	129	{
	130	return bo->ops->mmap(bo);
	131	}
	132
	133	static inline void host1x_bo_munmap(struct host1x_bo bo, void addr)
	134	{
	135	bo->ops->munmap(bo, addr);
	136	}
	137
35d747a8 TR	138	/*
	139	* host1x syncpoints
	140	*/
	141
8736fe81	142	#define HOST1X_SYNCPT_CLIENT_MANAGED (1 << 0)
f5a954fe	143	#define HOST1X_SYNCPT_HAS_BASE (1 << 1)
8736fe81	144
f5a954fe	145	struct host1x_syncpt_base;
35d747a8 TR	146	struct host1x_syncpt;
	147	struct host1x;
	148
2aed4f5a MP	149	struct host1x_syncpt host1x_syncpt_get_by_id(struct host1x host, u32 id);
	150	struct host1x_syncpt host1x_syncpt_get_by_id_noref(struct host1x host, u32 id);
	151	struct host1x_syncpt host1x_syncpt_get(struct host1x_syncpt sp);
35d747a8 TR	152	u32 host1x_syncpt_id(struct host1x_syncpt *sp);
	153	u32 host1x_syncpt_read_min(struct host1x_syncpt *sp);
	154	u32 host1x_syncpt_read_max(struct host1x_syncpt *sp);
b4a20144	155	u32 host1x_syncpt_read(struct host1x_syncpt *sp);
35d747a8	156	int host1x_syncpt_incr(struct host1x_syncpt *sp);
64400c37	157	u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs);
35d747a8 TR	158	int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout,
35d747a8 TR	159	u32 *value);
617dd7cc	160	struct host1x_syncpt host1x_syncpt_request(struct host1x_client client,
8736fe81	161	unsigned long flags);
2aed4f5a	162	void host1x_syncpt_put(struct host1x_syncpt *sp);
86cec7ec MP	163	struct host1x_syncpt host1x_syncpt_alloc(struct host1x host,
	164	unsigned long flags,
	165	const char *name);
35d747a8	166
f5a954fe AM	167	struct host1x_syncpt_base host1x_syncpt_get_base(struct host1x_syncpt sp);
	168	u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base);
	169
f5ba33fb MP	170	void host1x_syncpt_release_vblank_reservation(struct host1x_client *client,
	171	u32 syncpt_id);
	172
35d747a8 TR	173	/*
	174	* host1x channel
	175	*/
	176
	177	struct host1x_channel;
	178	struct host1x_job;
	179
caccddcf	180	struct host1x_channel host1x_channel_request(struct host1x_client client);
35d747a8 TR	181	struct host1x_channel host1x_channel_get(struct host1x_channel channel);
	182	void host1x_channel_put(struct host1x_channel *channel);
	183	int host1x_job_submit(struct host1x_job *job);
	184
	185	/*
	186	* host1x job
	187	*/
	188
ab4f81bf TR	189	#define HOST1X_RELOC_READ (1 << 0)
	190	#define HOST1X_RELOC_WRITE (1 << 1)
	191
35d747a8	192	struct host1x_reloc {
961e3bea TR	193	struct {
	194	struct host1x_bo *bo;
	195	unsigned long offset;
	196	} cmdbuf;
	197	struct {
	198	struct host1x_bo *bo;
	199	unsigned long offset;
	200	} target;
	201	unsigned long shift;
ab4f81bf	202	unsigned long flags;
35d747a8 TR	203	};
	204
	205	struct host1x_job {
	206	/* When refcount goes to zero, job can be freed */
	207	struct kref ref;
	208
	209	/* List entry */
	210	struct list_head list;
	211
	212	/* Channel where job is submitted to */
	213	struct host1x_channel *channel;
	214
bf3d41cc TR	215	/* client where the job originated */
bf3d41cc TR	216	struct host1x_client *client;
35d747a8 TR	217
	218	/* Gathers and their memory */
	219	struct host1x_job_gather *gathers;
	220	unsigned int num_gathers;
	221
35d747a8	222	/* Array of handles to be pinned & unpinned */
06490bb9	223	struct host1x_reloc *relocs;
35d747a8 TR	224	unsigned int num_relocs;
	225	struct host1x_job_unpin_data *unpins;
	226	unsigned int num_unpins;
	227
	228	dma_addr_t *addr_phys;
	229	dma_addr_t *gather_addr_phys;
	230	dma_addr_t *reloc_addr_phys;
	231
	232	/* Sync point id, number of increments and end related to the submit */
2aed4f5a	233	struct host1x_syncpt *syncpt;
35d747a8 TR	234	u32 syncpt_incrs;
	235	u32 syncpt_end;
	236
	237	/* Maximum time to wait for this job */
	238	unsigned int timeout;
	239
	240	/* Index and number of slots used in the push buffer */
	241	unsigned int first_get;
	242	unsigned int num_slots;
	243
	244	/* Copy of gathers */
	245	size_t gather_copy_size;
	246	dma_addr_t gather_copy;
	247	u8 *gather_copy_mapped;
	248
	249	/* Check if register is marked as an address reg */
a2b78b0d	250	int (is_addr_reg)(struct device dev, u32 class, u32 reg);
35d747a8	251
0f563a4b DO	252	/* Check if class belongs to the unit */
	253	int (*is_valid_class)(u32 class);
	254
35d747a8 TR	255	/* Request a SETCLASS to this class */
	256	u32 class;
	257
	258	/* Add a channel wait for previous ops to complete */
	259	bool serialize;
	260	};
	261
	262	struct host1x_job host1x_job_alloc(struct host1x_channel ch,
24c94e16	263	u32 num_cmdbufs, u32 num_relocs);
326bbd79 TR	264	void host1x_job_add_gather(struct host1x_job job, struct host1x_bo bo,
326bbd79 TR	265	unsigned int words, unsigned int offset);
35d747a8 TR	266	struct host1x_job host1x_job_get(struct host1x_job job);
	267	void host1x_job_put(struct host1x_job *job);
	268	int host1x_job_pin(struct host1x_job job, struct device dev);
	269	void host1x_job_unpin(struct host1x_job *job);
	270
776dc384 TR	271	/*
	272	* subdevice probe infrastructure
	273	*/
	274
	275	struct host1x_device;
	276
466749f1 TR	277	/**
	278	* struct host1x_driver - host1x logical device driver
	279	* @driver: core driver
	280	* @subdevs: table of OF device IDs matching subdevices for this driver
	281	* @list: list node for the driver
	282	* @probe: called when the host1x logical device is probed
	283	* @remove: called when the host1x logical device is removed
	284	* @shutdown: called when the host1x logical device is shut down
	285	*/
776dc384	286	struct host1x_driver {
f4c5cf88 TR	287	struct device_driver driver;
f4c5cf88 TR	288
776dc384 TR	289	const struct of_device_id *subdevs;
776dc384 TR	290	struct list_head list;
776dc384 TR	291
	292	int (probe)(struct host1x_device device);
	293	int (remove)(struct host1x_device device);
f4c5cf88	294	void (shutdown)(struct host1x_device device);
776dc384 TR	295	};
776dc384 TR	296
f4c5cf88 TR	297	static inline struct host1x_driver *
	298	to_host1x_driver(struct device_driver *driver)
	299	{
	300	return container_of(driver, struct host1x_driver, driver);
	301	}
	302
	303	int host1x_driver_register_full(struct host1x_driver *driver,
	304	struct module *owner);
776dc384 TR	305	void host1x_driver_unregister(struct host1x_driver *driver);
776dc384 TR	306
f4c5cf88 TR	307	#define host1x_driver_register(driver) \
	308	host1x_driver_register_full(driver, THIS_MODULE)
	309
776dc384 TR	310	struct host1x_device {
	311	struct host1x_driver *driver;
	312	struct list_head list;
	313	struct device dev;
	314
	315	struct mutex subdevs_lock;
	316	struct list_head subdevs;
	317	struct list_head active;
	318
	319	struct mutex clients_lock;
	320	struct list_head clients;
536e1715	321
f4c5cf88	322	bool registered;
1e390478 TR	323
1e390478 TR	324	struct device_dma_parameters dma_parms;
776dc384 TR	325	};
	326
	327	static inline struct host1x_device to_host1x_device(struct device dev)
	328	{
	329	return container_of(dev, struct host1x_device, dev);
	330	}
	331
	332	int host1x_device_init(struct host1x_device *device);
	333	int host1x_device_exit(struct host1x_device *device);
	334
0cfe5a6e TR	335	void __host1x_client_init(struct host1x_client client, struct lock_class_key key);
	336	void host1x_client_exit(struct host1x_client *client);
	337
	338	#define host1x_client_init(client) \
	339	({ \
	340	static struct lock_class_key __key; \
	341	__host1x_client_init(client, &__key); \
	342	})
	343
	344	int __host1x_client_register(struct host1x_client *client);
	345
	346	/*
	347	* Note that this wrapper calls __host1x_client_init() for compatibility
	348	* with existing callers. Callers that want to separately initialize and
	349	* register a host1x client must first initialize using either of the
	350	* __host1x_client_init() or host1x_client_init() functions and then use
	351	* the low-level __host1x_client_register() function to avoid the client
	352	* getting reinitialized.
	353	*/
	354	#define host1x_client_register(client) \
	355	({ \
	356	static struct lock_class_key __key; \
	357	__host1x_client_init(client, &__key); \
	358	__host1x_client_register(client); \
a24f9817 MP	359	})
a24f9817 MP	360
776dc384 TR	361	int host1x_client_unregister(struct host1x_client *client);
776dc384 TR	362
fd67e9c6 TR	363	int host1x_client_suspend(struct host1x_client *client);
	364	int host1x_client_resume(struct host1x_client *client);
	365
4de6a2d6 TR	366	struct tegra_mipi_device;
4de6a2d6 TR	367
767598d4 SK	368	struct tegra_mipi_device tegra_mipi_request(struct device device,
767598d4 SK	369	struct device_node *np);
4de6a2d6	370	void tegra_mipi_free(struct tegra_mipi_device *device);
87904c3e TR	371	int tegra_mipi_enable(struct tegra_mipi_device *device);
87904c3e TR	372	int tegra_mipi_disable(struct tegra_mipi_device *device);
cf5153e4 SK	373	int tegra_mipi_start_calibration(struct tegra_mipi_device *device);
cf5153e4 SK	374	int tegra_mipi_finish_calibration(struct tegra_mipi_device *device);
4de6a2d6	375
6579324a	376	#endif