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

/*
 * Copyright (c) 2012-2013, NVIDIA Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef HOST1X_DEV_H
#define HOST1X_DEV_H

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

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

struct host1x_syncpt;
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, u32 syncpt_id);
	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);
	void (*cpu_incr)(struct host1x_syncpt *syncpt);
	int (*patch_wait)(struct host1x_syncpt *syncpt, void *patch_addr);
};

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, u32 id, u32 thresh);
	void (*enable_syncpt_intr)(struct host1x *host, u32 id);
	void (*disable_syncpt_intr)(struct host1x *host, u32 id);
	void (*disable_all_syncpt_intrs)(struct host1x *host);
	int (*free_syncpt_irq)(struct host1x *host);
};

struct host1x_info {
	int	nb_channels;		/* host1x: num channels supported */
	int	nb_pts;			/* host1x: num syncpoints supported */
	int	nb_bases;		/* host1x: num syncpoints supported */
	int	nb_mlocks;		/* host1x: number of mlocks */
	int	(*init)(struct host1x *); /* initialize per SoC ops */
	int	sync_offset;
};

struct host1x {
	const struct host1x_info *info;

	void __iomem *regs;
	struct host1x_syncpt *syncpt;
	struct device *dev;
	struct clk *clk;

	struct mutex intr_mutex;
	struct workqueue_struct *intr_wq;
	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 chlist_mutex;
	struct host1x_channel chlist;
	unsigned long allocated_channels;
	unsigned int num_allocated_channels;

	struct dentry *debugfs;
};

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 void host1x_hw_syncpt_cpu_incr(struct host1x *host,
					     struct host1x_syncpt *sp)
{
	host->syncpt_op->cpu_incr(sp);
}

static inline int host1x_hw_syncpt_patch_wait(struct host1x *host,
					      struct host1x_syncpt *sp,
					      void *patch_addr)
{
	return host->syncpt_op->patch_wait(sp, patch_addr);
}

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,
						       u32 id, u32 thresh)
{
	host->intr_op->set_syncpt_threshold(host, id, thresh);
}

static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
						     u32 id)
{
	host->intr_op->enable_syncpt_intr(host, id);
}

static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
						      u32 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,
					 int chid)
{
	return host->channel_op->init(channel, host, chid);
}

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,
					      u32 syncpt_id)
{
	return host->cdma_op->timeout_init(cdma, syncpt_id);
}

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);
}

#endif
Commit	Line	Data
75471687 TB	1	/*
	2	* Copyright (c) 2012-2013, NVIDIA Corporation.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms and conditions of the GNU General Public License,
	6	* version 2, as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	15	*/
	16
	17	#ifndef HOST1X_DEV_H
	18	#define HOST1X_DEV_H
	19
	20	#include <linux/platform_device.h>
	21	#include <linux/device.h>
	22
6579324a	23	#include "channel.h"
75471687	24	#include "syncpt.h"
7ede0b0b	25	#include "intr.h"
6579324a TB	26	#include "cdma.h"
6579324a TB	27	#include "job.h"
75471687 TB	28
75471687 TB	29	struct host1x_syncpt;
6579324a TB	30	struct host1x_channel;
	31	struct host1x_cdma;
	32	struct host1x_job;
	33	struct push_buffer;
6236451d TB	34	struct output;
6236451d TB	35	struct dentry;
6579324a TB	36
	37	struct host1x_channel_ops {
	38	int (init)(struct host1x_channel channel, struct host1x *host,
	39	unsigned int id);
	40	int (submit)(struct host1x_job job);
	41	};
	42
	43	struct host1x_cdma_ops {
	44	void (start)(struct host1x_cdma cdma);
	45	void (stop)(struct host1x_cdma cdma);
	46	void (flush)(struct host1x_cdma cdma);
	47	int (timeout_init)(struct host1x_cdma cdma, u32 syncpt_id);
	48	void (timeout_destroy)(struct host1x_cdma cdma);
	49	void (freeze)(struct host1x_cdma cdma);
	50	void (resume)(struct host1x_cdma cdma, u32 getptr);
	51	void (timeout_cpu_incr)(struct host1x_cdma cdma, u32 getptr,
	52	u32 syncpt_incrs, u32 syncval, u32 nr_slots);
	53	};
	54
	55	struct host1x_pushbuffer_ops {
	56	void (init)(struct push_buffer pb);
	57	};
75471687	58
6236451d TB	59	struct host1x_debug_ops {
	60	void (debug_init)(struct dentry de);
	61	void (show_channel_cdma)(struct host1x host,
	62	struct host1x_channel *ch,
	63	struct output *o);
	64	void (show_channel_fifo)(struct host1x host,
	65	struct host1x_channel *ch,
	66	struct output *o);
	67	void (show_mlocks)(struct host1x host, struct output *output);
	68
	69	};
	70
75471687 TB	71	struct host1x_syncpt_ops {
	72	void (restore)(struct host1x_syncpt syncpt);
	73	void (restore_wait_base)(struct host1x_syncpt syncpt);
	74	void (load_wait_base)(struct host1x_syncpt syncpt);
	75	u32 (load)(struct host1x_syncpt syncpt);
	76	void (cpu_incr)(struct host1x_syncpt syncpt);
	77	int (patch_wait)(struct host1x_syncpt syncpt, void *patch_addr);
	78	};
	79
7ede0b0b TB	80	struct host1x_intr_ops {
	81	int (init_host_sync)(struct host1x host, u32 cpm,
	82	void (syncpt_thresh_work)(struct work_struct work));
	83	void (*set_syncpt_threshold)(
	84	struct host1x *host, u32 id, u32 thresh);
	85	void (enable_syncpt_intr)(struct host1x host, u32 id);
	86	void (disable_syncpt_intr)(struct host1x host, u32 id);
	87	void (disable_all_syncpt_intrs)(struct host1x host);
	88	int (free_syncpt_irq)(struct host1x host);
	89	};
	90
75471687 TB	91	struct host1x_info {
	92	int nb_channels; /* host1x: num channels supported */
	93	int nb_pts; /* host1x: num syncpoints supported */
	94	int nb_bases; /* host1x: num syncpoints supported */
	95	int nb_mlocks; /* host1x: number of mlocks */
	96	int (init)(struct host1x ); /* initialize per SoC ops */
	97	int sync_offset;
	98	};
	99
	100	struct host1x {
	101	const struct host1x_info *info;
	102
	103	void __iomem *regs;
	104	struct host1x_syncpt *syncpt;
	105	struct device *dev;
	106	struct clk *clk;
	107
7ede0b0b TB	108	struct mutex intr_mutex;
	109	struct workqueue_struct *intr_wq;
	110	int intr_syncpt_irq;
	111
75471687	112	const struct host1x_syncpt_ops *syncpt_op;
7ede0b0b	113	const struct host1x_intr_ops *intr_op;
6579324a TB	114	const struct host1x_channel_ops *channel_op;
	115	const struct host1x_cdma_ops *cdma_op;
	116	const struct host1x_pushbuffer_ops *cdma_pb_op;
6236451d	117	const struct host1x_debug_ops *debug_op;
7ede0b0b	118
6579324a TB	119	struct host1x_syncpt *nop_sp;
	120
	121	struct mutex chlist_mutex;
	122	struct host1x_channel chlist;
	123	unsigned long allocated_channels;
	124	unsigned int num_allocated_channels;
6236451d TB	125
6236451d TB	126	struct dentry *debugfs;
75471687 TB	127	};
	128
	129	void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
	130	u32 host1x_sync_readl(struct host1x *host1x, u32 r);
6579324a TB	131	void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
6579324a TB	132	u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
75471687 TB	133
	134	static inline void host1x_hw_syncpt_restore(struct host1x *host,
	135	struct host1x_syncpt *sp)
	136	{
	137	host->syncpt_op->restore(sp);
	138	}
	139
	140	static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
	141	struct host1x_syncpt *sp)
	142	{
	143	host->syncpt_op->restore_wait_base(sp);
	144	}
	145
	146	static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
	147	struct host1x_syncpt *sp)
	148	{
	149	host->syncpt_op->load_wait_base(sp);
	150	}
	151
	152	static inline u32 host1x_hw_syncpt_load(struct host1x *host,
	153	struct host1x_syncpt *sp)
	154	{
	155	return host->syncpt_op->load(sp);
	156	}
	157
	158	static inline void host1x_hw_syncpt_cpu_incr(struct host1x *host,
	159	struct host1x_syncpt *sp)
	160	{
	161	host->syncpt_op->cpu_incr(sp);
	162	}
	163
	164	static inline int host1x_hw_syncpt_patch_wait(struct host1x *host,
	165	struct host1x_syncpt *sp,
	166	void *patch_addr)
	167	{
	168	return host->syncpt_op->patch_wait(sp, patch_addr);
	169	}
	170
7ede0b0b TB	171	static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
	172	void (syncpt_thresh_work)(struct work_struct ))
	173	{
	174	return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
	175	}
	176
	177	static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
	178	u32 id, u32 thresh)
	179	{
	180	host->intr_op->set_syncpt_threshold(host, id, thresh);
	181	}
	182
	183	static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
	184	u32 id)
	185	{
	186	host->intr_op->enable_syncpt_intr(host, id);
	187	}
	188
	189	static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
	190	u32 id)
	191	{
	192	host->intr_op->disable_syncpt_intr(host, id);
	193	}
	194
	195	static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
	196	{
	197	host->intr_op->disable_all_syncpt_intrs(host);
	198	}
	199
	200	static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
	201	{
	202	return host->intr_op->free_syncpt_irq(host);
	203	}
6579324a TB	204
	205	static inline int host1x_hw_channel_init(struct host1x *host,
	206	struct host1x_channel *channel,
	207	int chid)
	208	{
	209	return host->channel_op->init(channel, host, chid);
	210	}
	211
	212	static inline int host1x_hw_channel_submit(struct host1x *host,
	213	struct host1x_job *job)
	214	{
	215	return host->channel_op->submit(job);
	216	}
	217
	218	static inline void host1x_hw_cdma_start(struct host1x *host,
	219	struct host1x_cdma *cdma)
	220	{
	221	host->cdma_op->start(cdma);
	222	}
	223
	224	static inline void host1x_hw_cdma_stop(struct host1x *host,
	225	struct host1x_cdma *cdma)
	226	{
	227	host->cdma_op->stop(cdma);
	228	}
	229
	230	static inline void host1x_hw_cdma_flush(struct host1x *host,
	231	struct host1x_cdma *cdma)
	232	{
	233	host->cdma_op->flush(cdma);
	234	}
	235
	236	static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
	237	struct host1x_cdma *cdma,
	238	u32 syncpt_id)
	239	{
	240	return host->cdma_op->timeout_init(cdma, syncpt_id);
	241	}
	242
	243	static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
	244	struct host1x_cdma *cdma)
	245	{
	246	host->cdma_op->timeout_destroy(cdma);
	247	}
	248
	249	static inline void host1x_hw_cdma_freeze(struct host1x *host,
	250	struct host1x_cdma *cdma)
	251	{
	252	host->cdma_op->freeze(cdma);
	253	}
	254
	255	static inline void host1x_hw_cdma_resume(struct host1x *host,
	256	struct host1x_cdma *cdma, u32 getptr)
	257	{
	258	host->cdma_op->resume(cdma, getptr);
	259	}
	260
	261	static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
	262	struct host1x_cdma *cdma,
	263	u32 getptr,
	264	u32 syncpt_incrs,
	265	u32 syncval, u32 nr_slots)
	266	{
	267	host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
268	nr_slots);
269	}
270
271	static inline void host1x_hw_pushbuffer_init(struct host1x *host,
272	struct push_buffer *pb)
273	{
274	host->cdma_pb_op->init(pb);
275	}
276
6236451d TB	277	static inline void host1x_hw_debug_init(struct host1x host, struct dentry de)
	278	{
	279	if (host->debug_op && host->debug_op->debug_init)
	280	host->debug_op->debug_init(de);
	281	}
	282
	283	static inline void host1x_hw_show_channel_cdma(struct host1x *host,
	284	struct host1x_channel *channel,
	285	struct output *o)
	286	{
	287	host->debug_op->show_channel_cdma(host, channel, o);
	288	}
	289
	290	static inline void host1x_hw_show_channel_fifo(struct host1x *host,
	291	struct host1x_channel *channel,
	292	struct output *o)
	293	{
	294	host->debug_op->show_channel_fifo(host, channel, o);
	295	}
	296
	297	static inline void host1x_hw_show_mlocks(struct host1x host, struct output o)
	298	{
	299	host->debug_op->show_mlocks(host, o);
	300	}
	301
75471687	302	#endif