[mirror_ubuntu-jammy-kernel.git] / drivers / gpu / host1x / dev.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2012-2015, NVIDIA Corporation.
 */

#ifndef HOST1X_DEV_H
#define HOST1X_DEV_H

#include <linux/device.h>
#include <linux/iommu.h>
#include <linux/iova.h>
#include <linux/platform_device.h>
#include <linux/reset.h>

#include "cdma.h"
#include "channel.h"
#include "intr.h"
#include "job.h"
#include "syncpt.h"

struct host1x_syncpt;
struct host1x_syncpt_base;
struct host1x_channel;
struct host1x_cdma;
struct host1x_job;
struct push_buffer;
struct output;
struct dentry;

struct host1x_channel_ops {
	int (*init)(struct host1x_channel *channel, struct host1x *host,
		    unsigned int id);
	int (*submit)(struct host1x_job *job);
};

struct host1x_cdma_ops {
	void (*start)(struct host1x_cdma *cdma);
	void (*stop)(struct host1x_cdma *cdma);
	void (*flush)(struct  host1x_cdma *cdma);
	int (*timeout_init)(struct host1x_cdma *cdma, unsigned int syncpt);
	void (*timeout_destroy)(struct host1x_cdma *cdma);
	void (*freeze)(struct host1x_cdma *cdma);
	void (*resume)(struct host1x_cdma *cdma, u32 getptr);
	void (*timeout_cpu_incr)(struct host1x_cdma *cdma, u32 getptr,
				 u32 syncpt_incrs, u32 syncval, u32 nr_slots);
};

struct host1x_pushbuffer_ops {
	void (*init)(struct push_buffer *pb);
};

struct host1x_debug_ops {
	void (*debug_init)(struct dentry *de);
	void (*show_channel_cdma)(struct host1x *host,
				  struct host1x_channel *ch,
				  struct output *o);
	void (*show_channel_fifo)(struct host1x *host,
				  struct host1x_channel *ch,
				  struct output *o);
	void (*show_mlocks)(struct host1x *host, struct output *output);

};

struct host1x_syncpt_ops {
	void (*restore)(struct host1x_syncpt *syncpt);
	void (*restore_wait_base)(struct host1x_syncpt *syncpt);
	void (*load_wait_base)(struct host1x_syncpt *syncpt);
	u32 (*load)(struct host1x_syncpt *syncpt);
	int (*cpu_incr)(struct host1x_syncpt *syncpt);
	void (*assign_to_channel)(struct host1x_syncpt *syncpt,
	                          struct host1x_channel *channel);
	void (*enable_protection)(struct host1x *host);
};

struct host1x_intr_ops {
	int (*init_host_sync)(struct host1x *host, u32 cpm,
		void (*syncpt_thresh_work)(struct work_struct *work));
	void (*set_syncpt_threshold)(
		struct host1x *host, unsigned int id, u32 thresh);
	void (*enable_syncpt_intr)(struct host1x *host, unsigned int id);
	void (*disable_syncpt_intr)(struct host1x *host, unsigned int id);
	void (*disable_all_syncpt_intrs)(struct host1x *host);
	int (*free_syncpt_irq)(struct host1x *host);
};

struct host1x_sid_entry {
	unsigned int base;
	unsigned int offset;
	unsigned int limit;
};

struct host1x_info {
	unsigned int nb_channels; /* host1x: number of channels supported */
	unsigned int nb_pts; /* host1x: number of syncpoints supported */
	unsigned int nb_bases; /* host1x: number of syncpoint bases supported */
	unsigned int nb_mlocks; /* host1x: number of mlocks supported */
	int (*init)(struct host1x *host1x); /* initialize per SoC ops */
	unsigned int sync_offset; /* offset of syncpoint registers */
	u64 dma_mask; /* mask of addressable memory */
	bool has_hypervisor; /* has hypervisor registers */
	unsigned int num_sid_entries;
	const struct host1x_sid_entry *sid_table;
};

struct host1x {
	const struct host1x_info *info;

	void __iomem *regs;
	void __iomem *hv_regs; /* hypervisor region */
	struct host1x_syncpt *syncpt;
	struct host1x_syncpt_base *bases;
	struct device *dev;
	struct clk *clk;
	struct reset_control *rst;

	struct iommu_group *group;
	struct iommu_domain *domain;
	struct iova_domain iova;
	dma_addr_t iova_end;

	struct mutex intr_mutex;
	int intr_syncpt_irq;

	const struct host1x_syncpt_ops *syncpt_op;
	const struct host1x_intr_ops *intr_op;
	const struct host1x_channel_ops *channel_op;
	const struct host1x_cdma_ops *cdma_op;
	const struct host1x_pushbuffer_ops *cdma_pb_op;
	const struct host1x_debug_ops *debug_op;

	struct host1x_syncpt *nop_sp;

	struct mutex syncpt_mutex;

	struct host1x_channel_list channel_list;

	struct dentry *debugfs;

	struct mutex devices_lock;
	struct list_head devices;

	struct list_head list;
};

void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);
u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r);
void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
u32 host1x_sync_readl(struct host1x *host1x, u32 r);
void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);

static inline void host1x_hw_syncpt_restore(struct host1x *host,
					    struct host1x_syncpt *sp)
{
	host->syncpt_op->restore(sp);
}

static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
						      struct host1x_syncpt *sp)
{
	host->syncpt_op->restore_wait_base(sp);
}

static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
						   struct host1x_syncpt *sp)
{
	host->syncpt_op->load_wait_base(sp);
}

static inline u32 host1x_hw_syncpt_load(struct host1x *host,
					struct host1x_syncpt *sp)
{
	return host->syncpt_op->load(sp);
}

static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
					    struct host1x_syncpt *sp)
{
	return host->syncpt_op->cpu_incr(sp);
}

static inline void host1x_hw_syncpt_assign_to_channel(
	struct host1x *host, struct host1x_syncpt *sp,
	struct host1x_channel *ch)
{
	return host->syncpt_op->assign_to_channel(sp, ch);
}

static inline void host1x_hw_syncpt_enable_protection(struct host1x *host)
{
	return host->syncpt_op->enable_protection(host);
}

static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
			void (*syncpt_thresh_work)(struct work_struct *))
{
	return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
}

static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
						       unsigned int id,
						       u32 thresh)
{
	host->intr_op->set_syncpt_threshold(host, id, thresh);
}

static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
						     unsigned int id)
{
	host->intr_op->enable_syncpt_intr(host, id);
}

static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
						      unsigned int id)
{
	host->intr_op->disable_syncpt_intr(host, id);
}

static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
{
	host->intr_op->disable_all_syncpt_intrs(host);
}

static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
{
	return host->intr_op->free_syncpt_irq(host);
}

static inline int host1x_hw_channel_init(struct host1x *host,
					 struct host1x_channel *channel,
					 unsigned int id)
{
	return host->channel_op->init(channel, host, id);
}

static inline int host1x_hw_channel_submit(struct host1x *host,
					   struct host1x_job *job)
{
	return host->channel_op->submit(job);
}

static inline void host1x_hw_cdma_start(struct host1x *host,
					struct host1x_cdma *cdma)
{
	host->cdma_op->start(cdma);
}

static inline void host1x_hw_cdma_stop(struct host1x *host,
				       struct host1x_cdma *cdma)
{
	host->cdma_op->stop(cdma);
}

static inline void host1x_hw_cdma_flush(struct host1x *host,
					struct host1x_cdma *cdma)
{
	host->cdma_op->flush(cdma);
}

static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
					      struct host1x_cdma *cdma,
					      unsigned int syncpt)
{
	return host->cdma_op->timeout_init(cdma, syncpt);
}

static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
						  struct host1x_cdma *cdma)
{
	host->cdma_op->timeout_destroy(cdma);
}

static inline void host1x_hw_cdma_freeze(struct host1x *host,
					 struct host1x_cdma *cdma)
{
	host->cdma_op->freeze(cdma);
}

static inline void host1x_hw_cdma_resume(struct host1x *host,
					 struct host1x_cdma *cdma, u32 getptr)
{
	host->cdma_op->resume(cdma, getptr);
}

static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
						   struct host1x_cdma *cdma,
						   u32 getptr,
						   u32 syncpt_incrs,
						   u32 syncval, u32 nr_slots)
{
	host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
					nr_slots);
}

static inline void host1x_hw_pushbuffer_init(struct host1x *host,
					     struct push_buffer *pb)
{
	host->cdma_pb_op->init(pb);
}

static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de)
{
	if (host->debug_op && host->debug_op->debug_init)
		host->debug_op->debug_init(de);
}

static inline void host1x_hw_show_channel_cdma(struct host1x *host,
					       struct host1x_channel *channel,
					       struct output *o)
{
	host->debug_op->show_channel_cdma(host, channel, o);
}

static inline void host1x_hw_show_channel_fifo(struct host1x *host,
					       struct host1x_channel *channel,
					       struct output *o)
{
	host->debug_op->show_channel_fifo(host, channel, o);
}

static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o)
{
	host->debug_op->show_mlocks(host, o);
}

extern struct platform_driver tegra_mipi_driver;

#endif
Commit	Line	Data
9952f691	1	/* SPDX-License-Identifier: GPL-2.0-only */
75471687	2	/*
d4b57818	3	* Copyright (c) 2012-2015, NVIDIA Corporation.
75471687 TB	4	*/
	5
	6	#ifndef HOST1X_DEV_H
	7	#define HOST1X_DEV_H
	8
75471687	9	#include <linux/device.h>
404bfb78 MP	10	#include <linux/iommu.h>
404bfb78 MP	11	#include <linux/iova.h>
7e7d432c	12	#include <linux/platform_device.h>
b386c6b7	13	#include <linux/reset.h>
75471687	14
7e7d432c	15	#include "cdma.h"
6579324a	16	#include "channel.h"
7ede0b0b	17	#include "intr.h"
6579324a	18	#include "job.h"
7e7d432c	19	#include "syncpt.h"
75471687 TB	20
75471687 TB	21	struct host1x_syncpt;
f5a954fe	22	struct host1x_syncpt_base;
6579324a TB	23	struct host1x_channel;
	24	struct host1x_cdma;
	25	struct host1x_job;
	26	struct push_buffer;
6236451d TB	27	struct output;
6236451d TB	28	struct dentry;
6579324a TB	29
	30	struct host1x_channel_ops {
	31	int (init)(struct host1x_channel channel, struct host1x *host,
	32	unsigned int id);
	33	int (submit)(struct host1x_job job);
	34	};
	35
	36	struct host1x_cdma_ops {
	37	void (start)(struct host1x_cdma cdma);
	38	void (stop)(struct host1x_cdma cdma);
	39	void (flush)(struct host1x_cdma cdma);
5c0d8d38	40	int (timeout_init)(struct host1x_cdma cdma, unsigned int syncpt);
6579324a TB	41	void (timeout_destroy)(struct host1x_cdma cdma);
	42	void (freeze)(struct host1x_cdma cdma);
	43	void (resume)(struct host1x_cdma cdma, u32 getptr);
	44	void (timeout_cpu_incr)(struct host1x_cdma cdma, u32 getptr,
	45	u32 syncpt_incrs, u32 syncval, u32 nr_slots);
	46	};
	47
	48	struct host1x_pushbuffer_ops {
	49	void (init)(struct push_buffer pb);
	50	};
75471687	51
6236451d TB	52	struct host1x_debug_ops {
	53	void (debug_init)(struct dentry de);
	54	void (show_channel_cdma)(struct host1x host,
	55	struct host1x_channel *ch,
	56	struct output *o);
	57	void (show_channel_fifo)(struct host1x host,
	58	struct host1x_channel *ch,
	59	struct output *o);
	60	void (show_mlocks)(struct host1x host, struct output *output);
	61
	62	};
	63
75471687 TB	64	struct host1x_syncpt_ops {
	65	void (restore)(struct host1x_syncpt syncpt);
	66	void (restore_wait_base)(struct host1x_syncpt syncpt);
	67	void (load_wait_base)(struct host1x_syncpt syncpt);
	68	u32 (load)(struct host1x_syncpt syncpt);
ebae30b1	69	int (cpu_incr)(struct host1x_syncpt syncpt);
c3f52220 MP	70	void (assign_to_channel)(struct host1x_syncpt syncpt,
	71	struct host1x_channel *channel);
	72	void (enable_protection)(struct host1x host);
75471687 TB	73	};
75471687 TB	74
7ede0b0b TB	75	struct host1x_intr_ops {
	76	int (init_host_sync)(struct host1x host, u32 cpm,
	77	void (syncpt_thresh_work)(struct work_struct work));
	78	void (*set_syncpt_threshold)(
5c0d8d38 TR	79	struct host1x *host, unsigned int id, u32 thresh);
	80	void (enable_syncpt_intr)(struct host1x host, unsigned int id);
	81	void (disable_syncpt_intr)(struct host1x host, unsigned int id);
7ede0b0b TB	82	void (disable_all_syncpt_intrs)(struct host1x host);
	83	int (free_syncpt_irq)(struct host1x host);
	84	};
	85
6841482b TR	86	struct host1x_sid_entry {
	87	unsigned int base;
	88	unsigned int offset;
	89	unsigned int limit;
	90	};
	91
75471687	92	struct host1x_info {
14c95fc8 TR	93	unsigned int nb_channels; /* host1x: number of channels supported */
	94	unsigned int nb_pts; /* host1x: number of syncpoints supported */
	95	unsigned int nb_bases; /* host1x: number of syncpoint bases supported */
	96	unsigned int nb_mlocks; /* host1x: number of mlocks supported */
	97	int (init)(struct host1x host1x); /* initialize per SoC ops */
	98	unsigned int sync_offset; /* offset of syncpoint registers */
	99	u64 dma_mask; /* mask of addressable memory */
f1b53c4e	100	bool has_hypervisor; /* has hypervisor registers */
6841482b TR	101	unsigned int num_sid_entries;
6841482b TR	102	const struct host1x_sid_entry *sid_table;
75471687 TB	103	};
	104
	105	struct host1x {
	106	const struct host1x_info *info;
	107
	108	void __iomem *regs;
f1b53c4e	109	void __iomem hv_regs; / hypervisor region */
75471687	110	struct host1x_syncpt *syncpt;
f5a954fe	111	struct host1x_syncpt_base *bases;
75471687 TB	112	struct device *dev;
75471687 TB	113	struct clk *clk;
b386c6b7	114	struct reset_control *rst;
75471687	115
41c3068c	116	struct iommu_group *group;
404bfb78 MP	117	struct iommu_domain *domain;
	118	struct iova_domain iova;
	119	dma_addr_t iova_end;
	120
7ede0b0b	121	struct mutex intr_mutex;
7ede0b0b TB	122	int intr_syncpt_irq;
7ede0b0b TB	123
75471687	124	const struct host1x_syncpt_ops *syncpt_op;
7ede0b0b	125	const struct host1x_intr_ops *intr_op;
6579324a TB	126	const struct host1x_channel_ops *channel_op;
	127	const struct host1x_cdma_ops *cdma_op;
	128	const struct host1x_pushbuffer_ops *cdma_pb_op;
6236451d	129	const struct host1x_debug_ops *debug_op;
7ede0b0b	130
6579324a TB	131	struct host1x_syncpt *nop_sp;
6579324a TB	132
d4b57818	133	struct mutex syncpt_mutex;
8474b025 MP	134
8474b025 MP	135	struct host1x_channel_list channel_list;
6236451d TB	136
6236451d TB	137	struct dentry *debugfs;
692e6d7b	138
776dc384 TR	139	struct mutex devices_lock;
	140	struct list_head devices;
	141
	142	struct list_head list;
75471687 TB	143	};
75471687 TB	144
f1b53c4e MP	145	void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);
f1b53c4e MP	146	u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r);
75471687 TB	147	void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
75471687 TB	148	u32 host1x_sync_readl(struct host1x *host1x, u32 r);
6579324a TB	149	void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
6579324a TB	150	u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
75471687 TB	151
	152	static inline void host1x_hw_syncpt_restore(struct host1x *host,
	153	struct host1x_syncpt *sp)
	154	{
	155	host->syncpt_op->restore(sp);
	156	}
	157
	158	static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
	159	struct host1x_syncpt *sp)
	160	{
	161	host->syncpt_op->restore_wait_base(sp);
	162	}
	163
	164	static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
	165	struct host1x_syncpt *sp)
	166	{
	167	host->syncpt_op->load_wait_base(sp);
	168	}
	169
	170	static inline u32 host1x_hw_syncpt_load(struct host1x *host,
	171	struct host1x_syncpt *sp)
	172	{
	173	return host->syncpt_op->load(sp);
	174	}
	175
ebae30b1 AM	176	static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
ebae30b1 AM	177	struct host1x_syncpt *sp)
75471687	178	{
ebae30b1	179	return host->syncpt_op->cpu_incr(sp);
75471687 TB	180	}
75471687 TB	181
c3f52220 MP	182	static inline void host1x_hw_syncpt_assign_to_channel(
	183	struct host1x host, struct host1x_syncpt sp,
	184	struct host1x_channel *ch)
	185	{
	186	return host->syncpt_op->assign_to_channel(sp, ch);
	187	}
	188
	189	static inline void host1x_hw_syncpt_enable_protection(struct host1x *host)
	190	{
	191	return host->syncpt_op->enable_protection(host);
	192	}
	193
7ede0b0b TB	194	static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
	195	void (syncpt_thresh_work)(struct work_struct ))
	196	{
	197	return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
	198	}
	199
	200	static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
5c0d8d38 TR	201	unsigned int id,
5c0d8d38 TR	202	u32 thresh)
7ede0b0b TB	203	{
	204	host->intr_op->set_syncpt_threshold(host, id, thresh);
	205	}
	206
	207	static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
5c0d8d38	208	unsigned int id)
7ede0b0b TB	209	{
	210	host->intr_op->enable_syncpt_intr(host, id);
	211	}
	212
	213	static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
5c0d8d38	214	unsigned int id)
7ede0b0b TB	215	{
	216	host->intr_op->disable_syncpt_intr(host, id);
	217	}
	218
	219	static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
	220	{
	221	host->intr_op->disable_all_syncpt_intrs(host);
	222	}
	223
	224	static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
	225	{
	226	return host->intr_op->free_syncpt_irq(host);
	227	}
6579324a TB	228
	229	static inline int host1x_hw_channel_init(struct host1x *host,
	230	struct host1x_channel *channel,
5c0d8d38	231	unsigned int id)
6579324a	232	{
5c0d8d38	233	return host->channel_op->init(channel, host, id);
6579324a TB	234	}
	235
	236	static inline int host1x_hw_channel_submit(struct host1x *host,
	237	struct host1x_job *job)
	238	{
	239	return host->channel_op->submit(job);
	240	}
	241
	242	static inline void host1x_hw_cdma_start(struct host1x *host,
	243	struct host1x_cdma *cdma)
	244	{
	245	host->cdma_op->start(cdma);
	246	}
	247
	248	static inline void host1x_hw_cdma_stop(struct host1x *host,
	249	struct host1x_cdma *cdma)
	250	{
	251	host->cdma_op->stop(cdma);
	252	}
	253
	254	static inline void host1x_hw_cdma_flush(struct host1x *host,
	255	struct host1x_cdma *cdma)
	256	{
	257	host->cdma_op->flush(cdma);
	258	}
	259
	260	static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
	261	struct host1x_cdma *cdma,
5c0d8d38	262	unsigned int syncpt)
6579324a	263	{
5c0d8d38	264	return host->cdma_op->timeout_init(cdma, syncpt);
6579324a TB	265	}
	266
	267	static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
	268	struct host1x_cdma *cdma)
	269	{
	270	host->cdma_op->timeout_destroy(cdma);
	271	}
	272
	273	static inline void host1x_hw_cdma_freeze(struct host1x *host,
	274	struct host1x_cdma *cdma)
	275	{
	276	host->cdma_op->freeze(cdma);
	277	}
	278
	279	static inline void host1x_hw_cdma_resume(struct host1x *host,
	280	struct host1x_cdma *cdma, u32 getptr)
	281	{
	282	host->cdma_op->resume(cdma, getptr);
	283	}
	284
	285	static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
	286	struct host1x_cdma *cdma,
	287	u32 getptr,
	288	u32 syncpt_incrs,
	289	u32 syncval, u32 nr_slots)
	290	{
	291	host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
	292	nr_slots);
	293	}
	294
	295	static inline void host1x_hw_pushbuffer_init(struct host1x *host,
	296	struct push_buffer *pb)
	297	{
	298	host->cdma_pb_op->init(pb);
	299	}
	300
6236451d TB	301	static inline void host1x_hw_debug_init(struct host1x host, struct dentry de)
	302	{
	303	if (host->debug_op && host->debug_op->debug_init)
	304	host->debug_op->debug_init(de);
	305	}
	306
	307	static inline void host1x_hw_show_channel_cdma(struct host1x *host,
	308	struct host1x_channel *channel,
	309	struct output *o)
	310	{
	311	host->debug_op->show_channel_cdma(host, channel, o);
	312	}
	313
	314	static inline void host1x_hw_show_channel_fifo(struct host1x *host,
	315	struct host1x_channel *channel,
	316	struct output *o)
	317	{
	318	host->debug_op->show_channel_fifo(host, channel, o);
	319	}
	320
	321	static inline void host1x_hw_show_mlocks(struct host1x host, struct output o)
	322	{
	323	host->debug_op->show_mlocks(host, o);
	324	}
	325
4de6a2d6 TR	326	extern struct platform_driver tegra_mipi_driver;
4de6a2d6 TR	327
75471687	328	#endif