xref: /openbmc/linux/drivers/gpu/host1x/hw/opcodes.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Tegra host1x opcodes
 *
 * Copyright (c) 2022 NVIDIA Corporation.
 */

#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)
{
	return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
		host1x_class_host_incr_syncpt(cond, indx));
}

static inline u32 host1x_opcode_restart(unsigned address)
{
	return (5 << 28) | (address >> 4);
}

static inline u32 host1x_opcode_gather(unsigned count)
{
	return (6 << 28) | count;
}

static inline u32 host1x_opcode_gather_nonincr(unsigned offset,	unsigned count)
{
	return (6 << 28) | (offset << 16) | BIT(15) | count;
}

static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
{
	return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
}

static inline u32 host1x_opcode_setstreamid(unsigned streamid)
{
	return (7 << 28) | streamid;
}

static inline u32 host1x_opcode_setpayload(unsigned payload)
{
	return (9 << 28) | payload;
}

static inline u32 host1x_opcode_gather_wide(unsigned count)
{
	return (12 << 28) | count;
}

static inline u32 host1x_opcode_acquire_mlock(unsigned mlock)
{
	return (14 << 28) | (0 << 24) | mlock;
}

static inline u32 host1x_opcode_release_mlock(unsigned mlock)
{
	return (14 << 28) | (1 << 24) | mlock;
}

#define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)

#endif