[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_wide_gather; /* supports GATHER_W opcode */
	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;

	struct device_dma_parameters dma_parms;
};

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 */
06867a36	100	bool has_wide_gather; /* supports GATHER_W opcode */
f1b53c4e	101	bool has_hypervisor; /* has hypervisor registers */
6841482b TR	102	unsigned int num_sid_entries;
6841482b TR	103	const struct host1x_sid_entry *sid_table;
75471687 TB	104	};
	105
	106	struct host1x {
	107	const struct host1x_info *info;
	108
	109	void __iomem *regs;
f1b53c4e	110	void __iomem hv_regs; / hypervisor region */
75471687	111	struct host1x_syncpt *syncpt;
f5a954fe	112	struct host1x_syncpt_base *bases;
75471687 TB	113	struct device *dev;
75471687 TB	114	struct clk *clk;
b386c6b7	115	struct reset_control *rst;
75471687	116
41c3068c	117	struct iommu_group *group;
404bfb78 MP	118	struct iommu_domain *domain;
	119	struct iova_domain iova;
	120	dma_addr_t iova_end;
	121
7ede0b0b	122	struct mutex intr_mutex;
7ede0b0b TB	123	int intr_syncpt_irq;
7ede0b0b TB	124
75471687	125	const struct host1x_syncpt_ops *syncpt_op;
7ede0b0b	126	const struct host1x_intr_ops *intr_op;
6579324a TB	127	const struct host1x_channel_ops *channel_op;
	128	const struct host1x_cdma_ops *cdma_op;
	129	const struct host1x_pushbuffer_ops *cdma_pb_op;
6236451d	130	const struct host1x_debug_ops *debug_op;
7ede0b0b	131
6579324a TB	132	struct host1x_syncpt *nop_sp;
6579324a TB	133
d4b57818	134	struct mutex syncpt_mutex;
8474b025 MP	135
8474b025 MP	136	struct host1x_channel_list channel_list;
6236451d TB	137
6236451d TB	138	struct dentry *debugfs;
692e6d7b	139
776dc384 TR	140	struct mutex devices_lock;
	141	struct list_head devices;
	142
	143	struct list_head list;
d98914eb TR	144
d98914eb TR	145	struct device_dma_parameters dma_parms;
75471687 TB	146	};
75471687 TB	147
f1b53c4e MP	148	void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);
f1b53c4e MP	149	u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r);
75471687 TB	150	void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
75471687 TB	151	u32 host1x_sync_readl(struct host1x *host1x, u32 r);
6579324a TB	152	void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
6579324a TB	153	u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
75471687 TB	154
	155	static inline void host1x_hw_syncpt_restore(struct host1x *host,
	156	struct host1x_syncpt *sp)
	157	{
	158	host->syncpt_op->restore(sp);
	159	}
	160
	161	static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
	162	struct host1x_syncpt *sp)
	163	{
	164	host->syncpt_op->restore_wait_base(sp);
	165	}
	166
	167	static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
	168	struct host1x_syncpt *sp)
	169	{
	170	host->syncpt_op->load_wait_base(sp);
	171	}
	172
	173	static inline u32 host1x_hw_syncpt_load(struct host1x *host,
	174	struct host1x_syncpt *sp)
	175	{
	176	return host->syncpt_op->load(sp);
	177	}
	178
ebae30b1 AM	179	static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
ebae30b1 AM	180	struct host1x_syncpt *sp)
75471687	181	{
ebae30b1	182	return host->syncpt_op->cpu_incr(sp);
75471687 TB	183	}
75471687 TB	184
c3f52220 MP	185	static inline void host1x_hw_syncpt_assign_to_channel(
	186	struct host1x host, struct host1x_syncpt sp,
	187	struct host1x_channel *ch)
	188	{
	189	return host->syncpt_op->assign_to_channel(sp, ch);
	190	}
	191
	192	static inline void host1x_hw_syncpt_enable_protection(struct host1x *host)
	193	{
	194	return host->syncpt_op->enable_protection(host);
	195	}
	196
7ede0b0b TB	197	static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
	198	void (syncpt_thresh_work)(struct work_struct ))
	199	{
	200	return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
	201	}
	202
	203	static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
5c0d8d38 TR	204	unsigned int id,
5c0d8d38 TR	205	u32 thresh)
7ede0b0b TB	206	{
	207	host->intr_op->set_syncpt_threshold(host, id, thresh);
	208	}
	209
	210	static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
5c0d8d38	211	unsigned int id)
7ede0b0b TB	212	{
	213	host->intr_op->enable_syncpt_intr(host, id);
	214	}
	215
	216	static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
5c0d8d38	217	unsigned int id)
7ede0b0b TB	218	{
	219	host->intr_op->disable_syncpt_intr(host, id);
	220	}
	221
	222	static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
	223	{
	224	host->intr_op->disable_all_syncpt_intrs(host);
	225	}
	226
	227	static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
	228	{
	229	return host->intr_op->free_syncpt_irq(host);
	230	}
6579324a TB	231
	232	static inline int host1x_hw_channel_init(struct host1x *host,
	233	struct host1x_channel *channel,
5c0d8d38	234	unsigned int id)
6579324a	235	{
5c0d8d38	236	return host->channel_op->init(channel, host, id);
6579324a TB	237	}
	238
	239	static inline int host1x_hw_channel_submit(struct host1x *host,
	240	struct host1x_job *job)
	241	{
	242	return host->channel_op->submit(job);
	243	}
	244
	245	static inline void host1x_hw_cdma_start(struct host1x *host,
	246	struct host1x_cdma *cdma)
	247	{
	248	host->cdma_op->start(cdma);
	249	}
	250
	251	static inline void host1x_hw_cdma_stop(struct host1x *host,
	252	struct host1x_cdma *cdma)
	253	{
	254	host->cdma_op->stop(cdma);
	255	}
	256
	257	static inline void host1x_hw_cdma_flush(struct host1x *host,
	258	struct host1x_cdma *cdma)
	259	{
	260	host->cdma_op->flush(cdma);
	261	}
	262
	263	static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
	264	struct host1x_cdma *cdma,
5c0d8d38	265	unsigned int syncpt)
6579324a	266	{
5c0d8d38	267	return host->cdma_op->timeout_init(cdma, syncpt);
6579324a TB	268	}
	269
	270	static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
	271	struct host1x_cdma *cdma)
	272	{
	273	host->cdma_op->timeout_destroy(cdma);
	274	}
	275
	276	static inline void host1x_hw_cdma_freeze(struct host1x *host,
	277	struct host1x_cdma *cdma)
	278	{
	279	host->cdma_op->freeze(cdma);
	280	}
	281
	282	static inline void host1x_hw_cdma_resume(struct host1x *host,
	283	struct host1x_cdma *cdma, u32 getptr)
	284	{
	285	host->cdma_op->resume(cdma, getptr);
	286	}
	287
	288	static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
	289	struct host1x_cdma *cdma,
	290	u32 getptr,
	291	u32 syncpt_incrs,
	292	u32 syncval, u32 nr_slots)
	293	{
	294	host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
	295	nr_slots);
	296	}
	297
	298	static inline void host1x_hw_pushbuffer_init(struct host1x *host,
	299	struct push_buffer *pb)
	300	{
	301	host->cdma_pb_op->init(pb);
	302	}
	303
6236451d TB	304	static inline void host1x_hw_debug_init(struct host1x host, struct dentry de)
	305	{
	306	if (host->debug_op && host->debug_op->debug_init)
	307	host->debug_op->debug_init(de);
	308	}
	309
	310	static inline void host1x_hw_show_channel_cdma(struct host1x *host,
	311	struct host1x_channel *channel,
	312	struct output *o)
	313	{
	314	host->debug_op->show_channel_cdma(host, channel, o);
	315	}
	316
	317	static inline void host1x_hw_show_channel_fifo(struct host1x *host,
	318	struct host1x_channel *channel,
	319	struct output *o)
	320	{
	321	host->debug_op->show_channel_fifo(host, channel, o);
	322	}
	323
	324	static inline void host1x_hw_show_mlocks(struct host1x host, struct output o)
	325	{
	326	host->debug_op->show_mlocks(host, o);
	327	}
	328
4de6a2d6 TR	329	extern struct platform_driver tegra_mipi_driver;
4de6a2d6 TR	330
75471687	331	#endif