drivers/net/wireless/intel/iwlwifi/iwl-io.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/intel/iwlwifi/iwl-io.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/intel/iwlwifi/iwl-io.h
Extension
.h
Size
3526 bytes
Lines
108
Domain
Driver Families
Bucket
drivers/net
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 __iwl_io_h__
#define __iwl_io_h__

#include "iwl-devtrace.h"
#include "iwl-trans.h"

void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val);
void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val);
void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val);
u32 iwl_read32(struct iwl_trans *trans, u32 ofs);

static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask)
{
	iwl_trans_set_bits_mask(trans, reg, mask, mask);
}

static inline void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask)
{
	iwl_trans_set_bits_mask(trans, reg, mask, 0);
}

int iwl_poll_bits_mask(struct iwl_trans *trans, u32 addr,
		       u32 bits, u32 mask, int timeout);
static inline int iwl_poll_bits(struct iwl_trans *trans, u32 addr, u32 bits,
				int timeout)
{
	return iwl_poll_bits_mask(trans, addr, bits, bits, timeout);
}
int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
			int timeout);

u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg);
void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value);
void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value);


u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs);
u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs);
void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val);
void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val);
void iwl_write_prph_delay(struct iwl_trans *trans, u32 ofs,
			  u32 val, u32 delay_ms);
static inline void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
{
	iwl_write_prph_delay(trans, ofs, val, 0);
}

int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
		      u32 bits, u32 mask, int timeout);
int iwl_poll_umac_prph_bits_no_grab(struct iwl_trans *trans, u32 addr,
				    u32 bits, u32 mask, int timeout);
void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
			    u32 bits, u32 mask);
void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask);
void iwl_force_nmi(struct iwl_trans *trans);

/* Error handling */
int iwl_dump_fh(struct iwl_trans *trans, char **buf);

/*
 * UMAC periphery address space changed from 0xA00000 to 0xD00000 starting from
 * device family AX200. So peripheries used in families above and below AX200
 * should go through iwl_..._umac_..._prph.
 */
static inline u32 iwl_umac_prph(struct iwl_trans *trans, u32 ofs)
{
	return ofs + trans->mac_cfg->umac_prph_offset;
}

static inline u32 iwl_read_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs)
{
	return iwl_read_prph_no_grab(trans, ofs +
				     trans->mac_cfg->umac_prph_offset);
}

static inline u32 iwl_read_umac_prph(struct iwl_trans *trans, u32 ofs)
{
	return iwl_read_prph(trans, ofs + trans->mac_cfg->umac_prph_offset);
}

static inline void iwl_write_umac_prph_no_grab(struct iwl_trans *trans, u32 ofs,
					       u32 val)
{
	iwl_write_prph_no_grab(trans,  ofs + trans->mac_cfg->umac_prph_offset,
			       val);
}

static inline void iwl_write_umac_prph(struct iwl_trans *trans, u32 ofs,
				       u32 val)

Annotation

Implementation Notes