1 files changed, 0 insertions, 424 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
deleted file mode 100644
index edb94ea31654..000000000000
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ /dev/null
@@ -1,424 +0,0 @@
-/******************************************************************************
- *
- * This file is provided under a dual BSD/GPLv2 license.  When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
- *
- * 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 COPYING.
- *
- * Contact Information:
- *  Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- * BSD LICENSE
- *
- * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *  * Neither the name Intel Corporation nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *****************************************************************************/
-#include <linux/firmware.h>
-#include "iwl-trans.h"
-#include "mvm.h"
-#include "iwl-eeprom-parse.h"
-#include "iwl-eeprom-read.h"
-#include "iwl-nvm-parse.h"
-
-/* list of NVM sections we are allowed/need to read */
-static const int nvm_to_read[] = {
-	NVM_SECTION_TYPE_HW,
-	NVM_SECTION_TYPE_SW,
-	NVM_SECTION_TYPE_CALIBRATION,
-	NVM_SECTION_TYPE_PRODUCTION,
-};
-
-/* Default NVM size to read */
-#define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024)
-#define IWL_MAX_NVM_SECTION_SIZE 6000
-
-#define NVM_WRITE_OPCODE 1
-#define NVM_READ_OPCODE 0
-
-/*
- * prepare the NVM host command w/ the pointers to the nvm buffer
- * and send it to fw
- */
-static int iwl_nvm_write_chunk(struct iwl_mvm *mvm, u16 section,
-			       u16 offset, u16 length, const u8 *data)
-{
-	struct iwl_nvm_access_cmd nvm_access_cmd = {
-		.offset = cpu_to_le16(offset),
-		.length = cpu_to_le16(length),
-		.type = cpu_to_le16(section),
-		.op_code = NVM_WRITE_OPCODE,
-	};
-	struct iwl_host_cmd cmd = {
-		.id = NVM_ACCESS_CMD,
-		.len = { sizeof(struct iwl_nvm_access_cmd), length },
-		.flags = CMD_SYNC | CMD_SEND_IN_RFKILL,
-		.data = { &nvm_access_cmd, data },
-		/* data may come from vmalloc, so use _DUP */
-		.dataflags = { 0, IWL_HCMD_DFL_DUP },
-	};
-
-	return iwl_mvm_send_cmd(mvm, &cmd);
-}
-
-static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section,
-			      u16 offset, u16 length, u8 *data)
-{
-	struct iwl_nvm_access_cmd nvm_access_cmd = {
-		.offset = cpu_to_le16(offset),
-		.length = cpu_to_le16(length),
-		.type = cpu_to_le16(section),
-		.op_code = NVM_READ_OPCODE,
-	};
-	struct iwl_nvm_access_resp *nvm_resp;
-	struct iwl_rx_packet *pkt;
-	struct iwl_host_cmd cmd = {
-		.id = NVM_ACCESS_CMD,
-		.flags = CMD_SYNC | CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
-		.data = { &nvm_access_cmd, },
-	};
-	int ret, bytes_read, offset_read;
-	u8 *resp_data;
-
-	cmd.len[0] = sizeof(struct iwl_nvm_access_cmd);
-
-	ret = iwl_mvm_send_cmd(mvm, &cmd);
-	if (ret)
-		return ret;
-
-	pkt = cmd.resp_pkt;
-	if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
-		IWL_ERR(mvm, "Bad return from NVM_ACCES_COMMAND (0x%08X)\n",
-			pkt->hdr.flags);
-		ret = -EIO;
-		goto exit;
-	}
-
-	/* Extract NVM response */
-	nvm_resp = (void *)pkt->data;
-	ret = le16_to_cpu(nvm_resp->status);
-	bytes_read = le16_to_cpu(nvm_resp->length);
-	offset_read = le16_to_cpu(nvm_resp->offset);
-	resp_data = nvm_resp->data;
-	if (ret) {
-		IWL_ERR(mvm,
-			"NVM access command failed with status %d (device: %s)\n",
-			ret, mvm->cfg->name);
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	if (offset_read != offset) {
-		IWL_ERR(mvm, "NVM ACCESS response with invalid offset %d\n",
-			offset_read);
-		ret = -EINVAL;
-		goto exit;
-	}
-
-	/* Write data to NVM */
-	memcpy(data + offset, resp_data, bytes_read);
-	ret = bytes_read;
-
-exit:
-	iwl_free_resp(&cmd);
-	return ret;
-}
-
-static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section,
-				 const u8 *data, u16 length)
-{
-	int offset = 0;
-
-	/* copy data in chunks of 2k (and remainder if any) */
-
-	while (offset < length) {
-		int chunk_size, ret;
-
-		chunk_size = min(IWL_NVM_DEFAULT_CHUNK_SIZE,
-				 length - offset);
-
-		ret = iwl_nvm_write_chunk(mvm, section, offset,
-					  chunk_size, data + offset);
-		if (ret < 0)
-			return ret;
-
-		offset += chunk_size;
-	}
-
-	return 0;
-}
-
-/*
- * Reads an NVM section completely.
- * NICs prior to 7000 family doesn't have a real NVM, but just read
- * section 0 which is the EEPROM. Because the EEPROM reading is unlimited
- * by uCode, we need to manually check in this case that we don't
- * overflow and try to read more than the EEPROM size.
- * For 7000 family NICs, we supply the maximal size we can read, and
- * the uCode fills the response with as much data as we can,
- * without overflowing, so no check is needed.
- */
-static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section,
-				u8 *data)
-{
-	u16 length, offset = 0;
-	int ret;
-
-	/* Set nvm section read length */
-	length = IWL_NVM_DEFAULT_CHUNK_SIZE;
-
-	ret = length;
-
-	/* Read the NVM until exhausted (reading less than requested) */
-	while (ret == length) {
-		ret = iwl_nvm_read_chunk(mvm, section, offset, length, data);
-		if (ret < 0) {
-			IWL_ERR(mvm,
-				"Cannot read NVM from section %d offset %d, length %d\n",
-				section, offset, length);
-			return ret;
-		}
-		offset += ret;
-	}
-
-	IWL_DEBUG_EEPROM(mvm->trans->dev,
-			 "NVM section %d read completed\n", section);
-	return offset;
-}
-
-static struct iwl_nvm_data *
-iwl_parse_nvm_sections(struct iwl_mvm *mvm)
-{
-	struct iwl_nvm_section *sections = mvm->nvm_sections;
-	const __le16 *hw, *sw, *calib;
-
-	/* Checking for required sections */
-	if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
-	    !mvm->nvm_sections[NVM_SECTION_TYPE_HW].data) {
-		IWL_ERR(mvm, "Can't parse empty NVM sections\n");
-		return NULL;
-	}
-
-	if (WARN_ON(!mvm->cfg))
-		return NULL;
-
-	hw = (const __le16 *)sections[NVM_SECTION_TYPE_HW].data;
-	sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
-	calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
-	return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib,
-				  iwl_fw_valid_tx_ant(mvm->fw),
-				  iwl_fw_valid_rx_ant(mvm->fw));
-}
-
-#define MAX_NVM_FILE_LEN	16384
-
-/*
- * HOW TO CREATE THE NVM FILE FORMAT:
- * ------------------------------
- * 1. create hex file, format:
- *      3800 -> header
- *      0000 -> header
- *      5a40 -> data
- *
- *   rev - 6 bit (word1)
- *   len - 10 bit (word1)
- *   id - 4 bit (word2)
- *   rsv - 12 bit (word2)
- *
- * 2. flip 8bits with 8 bits per line to get the right NVM file format
- *
- * 3. create binary file from the hex file
- *
- * 4. save as "iNVM_xxx.bin" under /lib/firmware
- */
-static int iwl_mvm_load_external_nvm(struct iwl_mvm *mvm)
-{
-	int ret, section_id, section_size;
-	const struct firmware *fw_entry;
-	const struct {
-		__le16 word1;
-		__le16 word2;
-		u8 data[];
-	} *file_sec;
-	const u8 *eof;
-
-#define NVM_WORD1_LEN(x) (8 * (x & 0x03FF))
-#define NVM_WORD2_ID(x) (x >> 12)
-
-	/*
-	 * Obtain NVM image via request_firmware. Since we already used
-	 * request_firmware_nowait() for the firmware binary load and only
-	 * get here after that we assume the NVM request can be satisfied
-	 * synchronously.
-	 */
-	ret = request_firmware(&fw_entry, iwlwifi_mod_params.nvm_file,
-			       mvm->trans->dev);
-	if (ret) {
-		IWL_ERR(mvm, "ERROR: %s isn't available %d\n",
-			iwlwifi_mod_params.nvm_file, ret);
-		return ret;
-	}
-
-	IWL_INFO(mvm, "Loaded NVM file %s (%zu bytes)\n",
-		 iwlwifi_mod_params.nvm_file, fw_entry->size);
-
-	if (fw_entry->size < sizeof(*file_sec)) {
-		IWL_ERR(mvm, "NVM file too small\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	if (fw_entry->size > MAX_NVM_FILE_LEN) {
-		IWL_ERR(mvm, "NVM file too large\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	eof = fw_entry->data + fw_entry->size;
-
-	file_sec = (void *)fw_entry->data;
-
-	while (true) {
-		if (file_sec->data > eof) {
-			IWL_ERR(mvm,
-				"ERROR - NVM file too short for section header\n");
-			ret = -EINVAL;
-			break;
-		}
-
-		/* check for EOF marker */
-		if (!file_sec->word1 && !file_sec->word2) {
-			ret = 0;
-			break;
-		}
-
-		section_size = 2 * NVM_WORD1_LEN(le16_to_cpu(file_sec->word1));
-		section_id = NVM_WORD2_ID(le16_to_cpu(file_sec->word2));
-
-		if (section_size > IWL_MAX_NVM_SECTION_SIZE) {
-			IWL_ERR(mvm, "ERROR - section too large (%d)\n",
-				section_size);
-			ret = -EINVAL;
-			break;
-		}
-
-		if (!section_size) {
-			IWL_ERR(mvm, "ERROR - section empty\n");
-			ret = -EINVAL;
-			break;
-		}
-
-		if (file_sec->data + section_size > eof) {
-			IWL_ERR(mvm,
-				"ERROR - NVM file too short for section (%d bytes)\n",
-				section_size);
-			ret = -EINVAL;
-			break;
-		}
-
-		ret = iwl_nvm_write_section(mvm, section_id, file_sec->data,
-					    section_size);
-		if (ret < 0) {
-			IWL_ERR(mvm, "iwl_mvm_send_cmd failed: %d\n", ret);
-			break;
-		}
-
-		/* advance to the next section */
-		file_sec = (void *)(file_sec->data + section_size);
-	}
-out:
-	release_firmware(fw_entry);
-	return ret;
-}
-
-int iwl_nvm_init(struct iwl_mvm *mvm)
-{
-	int ret, i, section;
-	u8 *nvm_buffer, *temp;
-
-	/* load external NVM if configured */
-	if (iwlwifi_mod_params.nvm_file) {
-		/* move to External NVM flow */
-		ret = iwl_mvm_load_external_nvm(mvm);
-		if (ret)
-			return ret;
-	}
-
-	/* Read From FW NVM */
-	IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
-
-	/* TODO: find correct NVM max size for a section */
-	nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size,
-			     GFP_KERNEL);
-	if (!nvm_buffer)
-		return -ENOMEM;
-	for (i = 0; i < ARRAY_SIZE(nvm_to_read); i++) {
-		section = nvm_to_read[i];
-		/* we override the constness for initial read */
-		ret = iwl_nvm_read_section(mvm, section, nvm_buffer);
-		if (ret < 0)
-			break;
-		temp = kmemdup(nvm_buffer, ret, GFP_KERNEL);
-		if (!temp) {
-			ret = -ENOMEM;
-			break;
-		}
-		mvm->nvm_sections[section].data = temp;
-		mvm->nvm_sections[section].length = ret;
-	}
-	kfree(nvm_buffer);
-	if (ret < 0)
-		return ret;
-
-	mvm->nvm_data = iwl_parse_nvm_sections(mvm);
-	if (!mvm->nvm_data)
-		return -ENODATA;
-
-	return 0;
-}