drivers/gpu/host1x/hw/opcodes.h

Source file repositories/reference/linux-study-clean/drivers/gpu/host1x/hw/opcodes.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/host1x/hw/opcodes.h
Extension
.h
Size
3736 bytes
Lines
151
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __HOST1X_OPCODES_H
#define __HOST1X_OPCODES_H

#include <linux/types.h>

static inline u32 host1x_class_host_wait_syncpt(
	unsigned indx, unsigned threshold)
{
	return host1x_uclass_wait_syncpt_indx_f(indx)
		| host1x_uclass_wait_syncpt_thresh_f(threshold);
}

static inline u32 host1x_class_host_load_syncpt_base(
	unsigned indx, unsigned threshold)
{
	return host1x_uclass_load_syncpt_base_base_indx_f(indx)
		| host1x_uclass_load_syncpt_base_value_f(threshold);
}

static inline u32 host1x_class_host_wait_syncpt_base(
	unsigned indx, unsigned base_indx, unsigned offset)
{
	return host1x_uclass_wait_syncpt_base_indx_f(indx)
		| host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
		| host1x_uclass_wait_syncpt_base_offset_f(offset);
}

static inline u32 host1x_class_host_incr_syncpt_base(
	unsigned base_indx, unsigned offset)
{
	return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
		| host1x_uclass_incr_syncpt_base_offset_f(offset);
}

static inline u32 host1x_class_host_incr_syncpt(
	unsigned cond, unsigned indx)
{
	return host1x_uclass_incr_syncpt_cond_f(cond)
		| host1x_uclass_incr_syncpt_indx_f(indx);
}

static inline u32 host1x_class_host_indoff_reg_write(
	unsigned mod_id, unsigned offset, bool auto_inc)
{
	u32 v = host1x_uclass_indoff_indbe_f(0xf)
		| host1x_uclass_indoff_indmodid_f(mod_id)
		| host1x_uclass_indoff_indroffset_f(offset);
	if (auto_inc)
		v |= host1x_uclass_indoff_autoinc_f(1);
	return v;
}

static inline u32 host1x_class_host_indoff_reg_read(
	unsigned mod_id, unsigned offset, bool auto_inc)
{
	u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
		| host1x_uclass_indoff_indroffset_f(offset)
		| host1x_uclass_indoff_rwn_read_v();
	if (auto_inc)
		v |= host1x_uclass_indoff_autoinc_f(1);
	return v;
}

static inline u32 host1x_opcode_setclass(
	unsigned class_id, unsigned offset, unsigned mask)
{
	return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
}

static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
{
	return (1 << 28) | (offset << 16) | count;
}

static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
{
	return (2 << 28) | (offset << 16) | count;
}

static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
{
	return (3 << 28) | (offset << 16) | mask;
}

static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
{
	return (4 << 28) | (offset << 16) | value;
}

static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)

Annotation

Implementation Notes