[deliverable/linux.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_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);
	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, 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_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 */
};

struct host1x {
	const struct host1x_info *info;

	void __iomem *regs;
	struct host1x_syncpt *syncpt;
	struct host1x_syncpt_base *bases;
	struct device *dev;
	struct clk *clk;

	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 chlist_mutex;
	struct host1x_channel chlist;
	unsigned long allocated_channels;
	unsigned int num_allocated_channels;

	struct dentry *debugfs;

	struct mutex devices_lock;
	struct list_head devices;

	struct list_head list;
};

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 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,
						       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
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;
f5a954fe	30	struct host1x_syncpt_base;
6579324a TB	31	struct host1x_channel;
	32	struct host1x_cdma;
	33	struct host1x_job;
	34	struct push_buffer;
6236451d TB	35	struct output;
6236451d TB	36	struct dentry;
6579324a TB	37
	38	struct host1x_channel_ops {
	39	int (init)(struct host1x_channel channel, struct host1x *host,
	40	unsigned int id);
	41	int (submit)(struct host1x_job job);
	42	};
	43
	44	struct host1x_cdma_ops {
	45	void (start)(struct host1x_cdma cdma);
	46	void (stop)(struct host1x_cdma cdma);
	47	void (flush)(struct host1x_cdma cdma);
5c0d8d38	48	int (timeout_init)(struct host1x_cdma cdma, unsigned int syncpt);
6579324a TB	49	void (timeout_destroy)(struct host1x_cdma cdma);
	50	void (freeze)(struct host1x_cdma cdma);
	51	void (resume)(struct host1x_cdma cdma, u32 getptr);
	52	void (timeout_cpu_incr)(struct host1x_cdma cdma, u32 getptr,
	53	u32 syncpt_incrs, u32 syncval, u32 nr_slots);
	54	};
	55
	56	struct host1x_pushbuffer_ops {
	57	void (init)(struct push_buffer pb);
	58	};
75471687	59
6236451d TB	60	struct host1x_debug_ops {
	61	void (debug_init)(struct dentry de);
	62	void (show_channel_cdma)(struct host1x host,
	63	struct host1x_channel *ch,
	64	struct output *o);
	65	void (show_channel_fifo)(struct host1x host,
	66	struct host1x_channel *ch,
	67	struct output *o);
	68	void (show_mlocks)(struct host1x host, struct output *output);
	69
	70	};
	71
75471687 TB	72	struct host1x_syncpt_ops {
	73	void (restore)(struct host1x_syncpt syncpt);
	74	void (restore_wait_base)(struct host1x_syncpt syncpt);
	75	void (load_wait_base)(struct host1x_syncpt syncpt);
	76	u32 (load)(struct host1x_syncpt syncpt);
ebae30b1	77	int (cpu_incr)(struct host1x_syncpt syncpt);
75471687 TB	78	int (patch_wait)(struct host1x_syncpt syncpt, void *patch_addr);
	79	};
	80
7ede0b0b TB	81	struct host1x_intr_ops {
	82	int (init_host_sync)(struct host1x host, u32 cpm,
	83	void (syncpt_thresh_work)(struct work_struct work));
	84	void (*set_syncpt_threshold)(
5c0d8d38 TR	85	struct host1x *host, unsigned int id, u32 thresh);
	86	void (enable_syncpt_intr)(struct host1x host, unsigned int id);
	87	void (disable_syncpt_intr)(struct host1x host, unsigned int id);
7ede0b0b TB	88	void (disable_all_syncpt_intrs)(struct host1x host);
	89	int (free_syncpt_irq)(struct host1x host);
	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 */
75471687 TB	100	};
	101
	102	struct host1x {
	103	const struct host1x_info *info;
	104
	105	void __iomem *regs;
	106	struct host1x_syncpt *syncpt;
f5a954fe	107	struct host1x_syncpt_base *bases;
75471687 TB	108	struct device *dev;
	109	struct clk *clk;
	110
7ede0b0b	111	struct mutex intr_mutex;
7ede0b0b TB	112	int intr_syncpt_irq;
7ede0b0b TB	113
75471687	114	const struct host1x_syncpt_ops *syncpt_op;
7ede0b0b	115	const struct host1x_intr_ops *intr_op;
6579324a TB	116	const struct host1x_channel_ops *channel_op;
	117	const struct host1x_cdma_ops *cdma_op;
	118	const struct host1x_pushbuffer_ops *cdma_pb_op;
6236451d	119	const struct host1x_debug_ops *debug_op;
7ede0b0b	120
6579324a TB	121	struct host1x_syncpt *nop_sp;
	122
	123	struct mutex chlist_mutex;
	124	struct host1x_channel chlist;
	125	unsigned long allocated_channels;
	126	unsigned int num_allocated_channels;
6236451d TB	127
6236451d TB	128	struct dentry *debugfs;
692e6d7b	129
776dc384 TR	130	struct mutex devices_lock;
	131	struct list_head devices;
	132
	133	struct list_head list;
75471687 TB	134	};
	135
	136	void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
	137	u32 host1x_sync_readl(struct host1x *host1x, u32 r);
6579324a TB	138	void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
6579324a TB	139	u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
75471687 TB	140
	141	static inline void host1x_hw_syncpt_restore(struct host1x *host,
	142	struct host1x_syncpt *sp)
	143	{
	144	host->syncpt_op->restore(sp);
	145	}
	146
	147	static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
	148	struct host1x_syncpt *sp)
	149	{
	150	host->syncpt_op->restore_wait_base(sp);
	151	}
	152
	153	static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
	154	struct host1x_syncpt *sp)
	155	{
	156	host->syncpt_op->load_wait_base(sp);
	157	}
	158
	159	static inline u32 host1x_hw_syncpt_load(struct host1x *host,
	160	struct host1x_syncpt *sp)
	161	{
	162	return host->syncpt_op->load(sp);
	163	}
	164
ebae30b1 AM	165	static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
ebae30b1 AM	166	struct host1x_syncpt *sp)
75471687	167	{
ebae30b1	168	return host->syncpt_op->cpu_incr(sp);
75471687 TB	169	}
	170
	171	static inline int host1x_hw_syncpt_patch_wait(struct host1x *host,
	172	struct host1x_syncpt *sp,
	173	void *patch_addr)
	174	{
	175	return host->syncpt_op->patch_wait(sp, patch_addr);
	176	}
	177
7ede0b0b TB	178	static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
	179	void (syncpt_thresh_work)(struct work_struct ))
	180	{
	181	return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
	182	}
	183
	184	static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
5c0d8d38 TR	185	unsigned int id,
5c0d8d38 TR	186	u32 thresh)
7ede0b0b TB	187	{
	188	host->intr_op->set_syncpt_threshold(host, id, thresh);
	189	}
	190
	191	static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
5c0d8d38	192	unsigned int id)
7ede0b0b TB	193	{
	194	host->intr_op->enable_syncpt_intr(host, id);
	195	}
	196
	197	static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
5c0d8d38	198	unsigned int id)
7ede0b0b TB	199	{
	200	host->intr_op->disable_syncpt_intr(host, id);
	201	}
	202
	203	static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
	204	{
	205	host->intr_op->disable_all_syncpt_intrs(host);
	206	}
	207
	208	static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
	209	{
	210	return host->intr_op->free_syncpt_irq(host);
	211	}
6579324a TB	212
	213	static inline int host1x_hw_channel_init(struct host1x *host,
	214	struct host1x_channel *channel,
5c0d8d38	215	unsigned int id)
6579324a	216	{
5c0d8d38	217	return host->channel_op->init(channel, host, id);
6579324a TB	218	}
	219
	220	static inline int host1x_hw_channel_submit(struct host1x *host,
	221	struct host1x_job *job)
	222	{
	223	return host->channel_op->submit(job);
	224	}
	225
	226	static inline void host1x_hw_cdma_start(struct host1x *host,
	227	struct host1x_cdma *cdma)
	228	{
	229	host->cdma_op->start(cdma);
	230	}
	231
	232	static inline void host1x_hw_cdma_stop(struct host1x *host,
	233	struct host1x_cdma *cdma)
	234	{
	235	host->cdma_op->stop(cdma);
	236	}
	237
	238	static inline void host1x_hw_cdma_flush(struct host1x *host,
	239	struct host1x_cdma *cdma)
	240	{
	241	host->cdma_op->flush(cdma);
	242	}
	243
	244	static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
	245	struct host1x_cdma *cdma,
5c0d8d38	246	unsigned int syncpt)
6579324a	247	{
5c0d8d38	248	return host->cdma_op->timeout_init(cdma, syncpt);
6579324a TB	249	}
	250
	251	static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
	252	struct host1x_cdma *cdma)
	253	{
	254	host->cdma_op->timeout_destroy(cdma);
	255	}
	256
	257	static inline void host1x_hw_cdma_freeze(struct host1x *host,
	258	struct host1x_cdma *cdma)
	259	{
	260	host->cdma_op->freeze(cdma);
	261	}
	262
	263	static inline void host1x_hw_cdma_resume(struct host1x *host,
	264	struct host1x_cdma *cdma, u32 getptr)
	265	{
	266	host->cdma_op->resume(cdma, getptr);
	267	}
	268
	269	static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
	270	struct host1x_cdma *cdma,
	271	u32 getptr,
	272	u32 syncpt_incrs,
	273	u32 syncval, u32 nr_slots)
	274	{
	275	host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
	276	nr_slots);
	277	}
	278
	279	static inline void host1x_hw_pushbuffer_init(struct host1x *host,
	280	struct push_buffer *pb)
	281	{
	282	host->cdma_pb_op->init(pb);
	283	}
	284
6236451d TB	285	static inline void host1x_hw_debug_init(struct host1x host, struct dentry de)
	286	{
	287	if (host->debug_op && host->debug_op->debug_init)
	288	host->debug_op->debug_init(de);
	289	}
	290
	291	static inline void host1x_hw_show_channel_cdma(struct host1x *host,
	292	struct host1x_channel *channel,
	293	struct output *o)
	294	{
	295	host->debug_op->show_channel_cdma(host, channel, o);
	296	}
	297
	298	static inline void host1x_hw_show_channel_fifo(struct host1x *host,
	299	struct host1x_channel *channel,
	300	struct output *o)
	301	{
	302	host->debug_op->show_channel_fifo(host, channel, o);
	303	}
	304
	305	static inline void host1x_hw_show_mlocks(struct host1x host, struct output o)
	306	{
	307	host->debug_op->show_mlocks(host, o);
	308	}
	309
4de6a2d6 TR	310	extern struct platform_driver tegra_mipi_driver;
4de6a2d6 TR	311
75471687	312	#endif