/* 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