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/* 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
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