Release 4.7 drivers/net/wireless/intel/iwlwifi/iwl-io.c

Directory: drivers/net/wireless/intel/iwlwifi
/******************************************************************************
 *
 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2015 Intel Deutschland GmbH
 *
 * Portions of this file are derived from the ipw3945 project.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 *  Intel Linux Wireless <linuxwifi@intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 *****************************************************************************/
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/export.h>

#include "iwl-drv.h"
#include "iwl-io.h"
#include "iwl-csr.h"
#include "iwl-debug.h"
#include "iwl-prph.h"
#include "iwl-fh.h"



void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val)
{
	trace_iwlwifi_dev_iowrite8(trans->dev, ofs, val);
	iwl_trans_write8(trans, ofs, val);
}
Contributors
Person Tokens Prop Commits CommitProp
emmanuel grumbach emmanuel grumbach 36 100.00% 1 100.00%
Total 36 100.00% 1 100.00%


IWL_EXPORT_SYMBOL(iwl_write8);



void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val)
{
	trace_iwlwifi_dev_iowrite32(trans->dev, ofs, val);
	iwl_trans_write32(trans, ofs, val);
}
Contributors
Person Tokens Prop Commits CommitProp
emmanuel grumbach emmanuel grumbach 36 100.00% 1 100.00%
Total 36 100.00% 1 100.00%


IWL_EXPORT_SYMBOL(iwl_write32);



u32 iwl_read32(struct iwl_trans *trans, u32 ofs)
{
	u32 val = iwl_trans_read32(trans, ofs);

	trace_iwlwifi_dev_ioread32(trans->dev, ofs, val);
	return val;
}
Contributors
Person Tokens Prop Commits CommitProp
emmanuel grumbach emmanuel grumbach 37 100.00% 1 100.00%
Total 37 100.00% 1 100.00%


IWL_EXPORT_SYMBOL(iwl_read32);


#define IWL_POLL_INTERVAL 10	
/* microseconds */



int iwl_poll_bit(struct iwl_trans *trans, u32 addr,
		 u32 bits, u32 mask, int timeout)
{
	int t = 0;

	do {
		if ((iwl_read32(trans, addr) & mask) == (bits & mask))
			return t;
		udelay(IWL_POLL_INTERVAL);
		t += IWL_POLL_INTERVAL;
	} while (t < timeout);

	return -ETIMEDOUT;
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 69 95.83% 1 50.00%
emmanuel grumbach emmanuel grumbach 3 4.17% 1 50.00%
Total 72 100.00% 2 100.00%


IWL_EXPORT_SYMBOL(iwl_poll_bit);



u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg)
{
	u32 value = 0x5a5a5a5a;
	unsigned long flags;
	if (iwl_trans_grab_nic_access(trans, &flags)) {
		value = iwl_read32(trans, reg);
		iwl_trans_release_nic_access(trans, &flags);
	}

	return value;
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 36 66.67% 1 20.00%
emmanuel grumbach emmanuel grumbach 14 25.93% 3 60.00%
lilach edelstein lilach edelstein 4 7.41% 1 20.00%
Total 54 100.00% 5 100.00%


IWL_EXPORT_SYMBOL(iwl_read_direct32);



void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value)
{
	unsigned long flags;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		iwl_write32(trans, reg, value);
		iwl_trans_release_nic_access(trans, &flags);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 37 75.51% 1 25.00%
emmanuel grumbach emmanuel grumbach 8 16.33% 2 50.00%
lilach edelstein lilach edelstein 4 8.16% 1 25.00%
Total 49 100.00% 4 100.00%


IWL_EXPORT_SYMBOL(iwl_write_direct32);



int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask,
			int timeout)
{
	int t = 0;

	do {
		if ((iwl_read_direct32(trans, addr) & mask) == mask)
			return t;
		udelay(IWL_POLL_INTERVAL);
		t += IWL_POLL_INTERVAL;
	} while (t < timeout);

	return -ETIMEDOUT;
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 62 95.38% 1 50.00%
emmanuel grumbach emmanuel grumbach 3 4.62% 1 50.00%
Total 65 100.00% 2 100.00%


IWL_EXPORT_SYMBOL(iwl_poll_direct_bit);



u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs)
{
	u32 val = iwl_trans_read_prph(trans, ofs);
	trace_iwlwifi_dev_ioread_prph32(trans->dev, ofs, val);
	return val;
}
Contributors
Person Tokens Prop Commits CommitProp
emmanuel grumbach emmanuel grumbach 20 54.05% 2 50.00%
johannes berg johannes berg 16 43.24% 1 25.00%
golan ben ami golan ben ami 1 2.70% 1 25.00%
Total 37 100.00% 4 100.00%


IWL_EXPORT_SYMBOL(iwl_read_prph_no_grab);



void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val)
{
	trace_iwlwifi_dev_iowrite_prph32(trans->dev, ofs, val);
	iwl_trans_write_prph(trans, ofs, val);
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 23 63.89% 1 25.00%
emmanuel grumbach emmanuel grumbach 12 33.33% 2 50.00%
golan ben ami golan ben ami 1 2.78% 1 25.00%
Total 36 100.00% 4 100.00%


IWL_EXPORT_SYMBOL(iwl_write_prph_no_grab);



u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs)
{
	unsigned long flags;
	u32 val = 0x5a5a5a5a;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		val = iwl_read_prph_no_grab(trans, ofs);
		iwl_trans_release_nic_access(trans, &flags);
	}
	return val;
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 33 61.11% 1 14.29%
emmanuel grumbach emmanuel grumbach 16 29.63% 4 57.14%
lilach edelstein lilach edelstein 4 7.41% 1 14.29%
golan ben ami golan ben ami 1 1.85% 1 14.29%
Total 54 100.00% 7 100.00%


IWL_EXPORT_SYMBOL(iwl_read_prph);



void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val)
{
	unsigned long flags;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		iwl_write_prph_no_grab(trans, ofs, val);
		iwl_trans_release_nic_access(trans, &flags);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 34 69.39% 1 16.67%
emmanuel grumbach emmanuel grumbach 10 20.41% 3 50.00%
lilach edelstein lilach edelstein 4 8.16% 1 16.67%
golan ben ami golan ben ami 1 2.04% 1 16.67%
Total 49 100.00% 6 100.00%


IWL_EXPORT_SYMBOL(iwl_write_prph);



int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr,
		      u32 bits, u32 mask, int timeout)
{
	int t = 0;

	do {
		if ((iwl_read_prph(trans, addr) & mask) == (bits & mask))
			return t;
		udelay(IWL_POLL_INTERVAL);
		t += IWL_POLL_INTERVAL;
	} while (t < timeout);

	return -ETIMEDOUT;
}

Contributors
Person Tokens Prop Commits CommitProp
eran harary eran harary 72 100.00% 1 100.00%
Total 72 100.00% 1 100.00%



void iwl_set_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask)
{
	unsigned long flags;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		iwl_write_prph_no_grab(trans, ofs,
				       iwl_read_prph_no_grab(trans, ofs) |
				       mask);
		iwl_trans_release_nic_access(trans, &flags);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 34 60.71% 1 14.29%
emmanuel grumbach emmanuel grumbach 12 21.43% 3 42.86%
stanislaw gruszka stanislaw gruszka 4 7.14% 1 14.29%
lilach edelstein lilach edelstein 4 7.14% 1 14.29%
golan ben ami golan ben ami 2 3.57% 1 14.29%
Total 56 100.00% 7 100.00%


IWL_EXPORT_SYMBOL(iwl_set_bits_prph);



void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 ofs,
			    u32 bits, u32 mask)
{
	unsigned long flags;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		iwl_write_prph_no_grab(trans, ofs,
				       (iwl_read_prph_no_grab(trans, ofs) &
					mask) | bits);
		iwl_trans_release_nic_access(trans, &flags);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 41 65.08% 1 14.29%
emmanuel grumbach emmanuel grumbach 12 19.05% 3 42.86%
lilach edelstein lilach edelstein 4 6.35% 1 14.29%
stanislaw gruszka stanislaw gruszka 4 6.35% 1 14.29%
golan ben ami golan ben ami 2 3.17% 1 14.29%
Total 63 100.00% 7 100.00%


IWL_EXPORT_SYMBOL(iwl_set_bits_mask_prph);



void iwl_clear_bits_prph(struct iwl_trans *trans, u32 ofs, u32 mask)
{
	unsigned long flags;
	u32 val;

	if (iwl_trans_grab_nic_access(trans, &flags)) {
		val = iwl_read_prph_no_grab(trans, ofs);
		iwl_write_prph_no_grab(trans, ofs, (val & ~mask));
		iwl_trans_release_nic_access(trans, &flags);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 44 66.67% 1 14.29%
emmanuel grumbach emmanuel grumbach 12 18.18% 3 42.86%
lilach edelstein lilach edelstein 4 6.06% 1 14.29%
stanislaw gruszka stanislaw gruszka 4 6.06% 1 14.29%
golan ben ami golan ben ami 2 3.03% 1 14.29%
Total 66 100.00% 7 100.00%


IWL_EXPORT_SYMBOL(iwl_clear_bits_prph);



void iwl_force_nmi(struct iwl_trans *trans)
{
	if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
			       DEVICE_SET_NMI_VAL_DRV);
		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
			       DEVICE_SET_NMI_VAL_HW);
	} else {
		iwl_write_prph(trans, DEVICE_SET_NMI_8000_REG,
			       DEVICE_SET_NMI_8000_VAL);
		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
			       DEVICE_SET_NMI_VAL_DRV);
	}
}
Contributors
Person Tokens Prop Commits CommitProp
liad kaufman liad kaufman 36 59.02% 1 25.00%
emmanuel grumbach emmanuel grumbach 25 40.98% 3 75.00%
Total 61 100.00% 4 100.00%


IWL_EXPORT_SYMBOL(iwl_force_nmi);



static const char *get_fh_string(int cmd)
{

#define IWL_CMD(x) case x: return #x
	switch (cmd) {
	IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG);
	IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG);
	IWL_CMD(FH_RSCSR_CHNL0_WPTR);
	IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG);
	IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG);
	IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG);
	IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV);
	IWL_CMD(FH_TSSR_TX_STATUS_REG);
	IWL_CMD(FH_TSSR_TX_ERROR_REG);
	default:
		return "UNKNOWN";
	}

#undef IWL_CMD
}

Contributors
Person Tokens Prop Commits CommitProp
inbal hacohen inbal hacohen 76 100.00% 1 100.00%
Total 76 100.00% 1 100.00%



int iwl_dump_fh(struct iwl_trans *trans, char **buf)
{
	int i;
	static const u32 fh_tbl[] = {
		FH_RSCSR_CHNL0_STTS_WPTR_REG,
		FH_RSCSR_CHNL0_RBDCB_BASE_REG,
		FH_RSCSR_CHNL0_WPTR,
		FH_MEM_RCSR_CHNL0_CONFIG_REG,
		FH_MEM_RSSR_SHARED_CTRL_REG,
		FH_MEM_RSSR_RX_STATUS_REG,
		FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV,
		FH_TSSR_TX_STATUS_REG,
		FH_TSSR_TX_ERROR_REG
	};

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (buf) {
		int pos = 0;
		size_t bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;

		*buf = kmalloc(bufsz, GFP_KERNEL);
		if (!*buf)
			return -ENOMEM;

		pos += scnprintf(*buf + pos, bufsz - pos,
				"FH register values:\n");

		for (i = 0; i < ARRAY_SIZE(fh_tbl); i++)
			pos += scnprintf(*buf + pos, bufsz - pos,
				"  %34s: 0X%08x\n",
				get_fh_string(fh_tbl[i]),
				iwl_read_direct32(trans, fh_tbl[i]));

		return pos;
	}
#endif

	IWL_ERR(trans, "FH register values:\n");
	for (i = 0; i <  ARRAY_SIZE(fh_tbl); i++)
		IWL_ERR(trans, "  %34s: 0X%08x\n",
			get_fh_string(fh_tbl[i]),
			iwl_read_direct32(trans, fh_tbl[i]));

	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
inbal hacohen inbal hacohen 212 100.00% 1 100.00%
Total 212 100.00% 1 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
johannes berg johannes berg 449 36.24% 2 10.53%
inbal hacohen inbal hacohen 291 23.49% 1 5.26%
emmanuel grumbach emmanuel grumbach 284 22.92% 10 52.63%
eran harary eran harary 72 5.81% 1 5.26%
liad kaufman liad kaufman 44 3.55% 1 5.26%
don fry don fry 39 3.15% 1 5.26%
lilach edelstein lilach edelstein 28 2.26% 1 5.26%
golan ben ami golan ben ami 20 1.61% 1 5.26%
stanislaw gruszka stanislaw gruszka 12 0.97% 1 5.26%
Total 1239 100.00% 19 100.00%
  Directory: drivers/net/wireless/intel/iwlwifi

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
emmanuel grumbach	emmanuel grumbach	36	100.00%	1	100.00%
	Total	36	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/wireless/intel/iwlwifi/iwl-io.c

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