fw.c 38.1 KB
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/******************************************************************************
 *
 * 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
 *
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 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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 * Copyright(c) 2016 Intel Deutschland GmbH
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 *
 * 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
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 * in the file called COPYING.
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 *
 * Contact Information:
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 *  Intel Linux Wireless <linuxwifi@intel.com>
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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
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 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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 * 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 <net/mac80211.h>
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#include <linux/netdevice.h>
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#include <linux/acpi.h>
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#include "iwl-trans.h"
#include "iwl-op-mode.h"
#include "iwl-fw.h"
#include "iwl-debug.h"
#include "iwl-csr.h" /* for iwl_mvm_rx_card_state_notif */
#include "iwl-io.h" /* for iwl_mvm_rx_card_state_notif */
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#include "iwl-prph.h"
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#include "iwl-eeprom-parse.h"

#include "mvm.h"
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#include "fw-dbg.h"
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#include "iwl-phy-db.h"

#define MVM_UCODE_ALIVE_TIMEOUT	HZ
#define MVM_UCODE_CALIB_TIMEOUT	(2*HZ)

#define UCODE_VALID_OK	cpu_to_le32(0x1)

struct iwl_mvm_alive_data {
	bool valid;
	u32 scd_base_addr;
};

static inline const struct fw_img *
iwl_get_ucode_image(struct iwl_mvm *mvm, enum iwl_ucode_type ucode_type)
{
	if (ucode_type >= IWL_UCODE_TYPE_MAX)
		return NULL;

	return &mvm->fw->img[ucode_type];
}

static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
{
	struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
		.valid = cpu_to_le32(valid_tx_ant),
	};

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	IWL_DEBUG_FW(mvm, "select valid tx ant: %u\n", valid_tx_ant);
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	return iwl_mvm_send_cmd_pdu(mvm, TX_ANT_CONFIGURATION_CMD, 0,
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				    sizeof(tx_ant_cmd), &tx_ant_cmd);
}

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static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
{
	int i;
	struct iwl_rss_config_cmd cmd = {
		.flags = cpu_to_le32(IWL_RSS_ENABLE),
		.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
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			     IWL_RSS_HASH_TYPE_IPV4_UDP |
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			     IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
			     IWL_RSS_HASH_TYPE_IPV6_TCP |
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			     IWL_RSS_HASH_TYPE_IPV6_UDP |
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			     IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
	};

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	if (mvm->trans->num_rx_queues == 1)
		return 0;

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	/* Do not direct RSS traffic to Q 0 which is our fallback queue */
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	for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
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		cmd.indirection_table[i] =
			1 + (i % (mvm->trans->num_rx_queues - 1));
	netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
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	return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
}

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static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm)
{
	struct iwl_dqa_enable_cmd dqa_cmd = {
		.cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE),
	};
	u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0);
	int ret;

	ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd);
	if (ret)
		IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret);
	else
		IWL_DEBUG_FW(mvm, "Working in DQA mode\n");

	return ret;
}

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void iwl_free_fw_paging(struct iwl_mvm *mvm)
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{
	int i;

	if (!mvm->fw_paging_db[0].fw_paging_block)
		return;

	for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) {
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		struct iwl_fw_paging *paging = &mvm->fw_paging_db[i];

		if (!paging->fw_paging_block) {
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			IWL_DEBUG_FW(mvm,
				     "Paging: block %d already freed, continue to next page\n",
				     i);

			continue;
		}
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		dma_unmap_page(mvm->trans->dev, paging->fw_paging_phys,
			       paging->fw_paging_size, DMA_BIDIRECTIONAL);
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		__free_pages(paging->fw_paging_block,
			     get_order(paging->fw_paging_size));
		paging->fw_paging_block = NULL;
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	}
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	kfree(mvm->trans->paging_download_buf);
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	mvm->trans->paging_download_buf = NULL;
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	mvm->trans->paging_db = NULL;
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	memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db));
}

static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image)
{
	int sec_idx, idx;
	u32 offset = 0;

	/*
	 * find where is the paging image start point:
	 * if CPU2 exist and it's in paging format, then the image looks like:
	 * CPU1 sections (2 or more)
	 * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2
	 * CPU2 sections (not paged)
	 * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2
	 * non paged to CPU2 paging sec
	 * CPU2 paging CSS
	 * CPU2 paging image (including instruction and data)
	 */
	for (sec_idx = 0; sec_idx < IWL_UCODE_SECTION_MAX; sec_idx++) {
		if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) {
			sec_idx++;
			break;
		}
	}

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	/*
	 * If paging is enabled there should be at least 2 more sections left
	 * (one for CSS and one for Paging data)
	 */
	if (sec_idx >= ARRAY_SIZE(image->sec) - 1) {
		IWL_ERR(mvm, "Paging: Missing CSS and/or paging sections\n");
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		iwl_free_fw_paging(mvm);
		return -EINVAL;
	}

	/* copy the CSS block to the dram */
	IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n",
		     sec_idx);

	memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block),
	       image->sec[sec_idx].data,
	       mvm->fw_paging_db[0].fw_paging_size);

	IWL_DEBUG_FW(mvm,
		     "Paging: copied %d CSS bytes to first block\n",
		     mvm->fw_paging_db[0].fw_paging_size);

	sec_idx++;

	/*
	 * copy the paging blocks to the dram
	 * loop index start from 1 since that CSS block already copied to dram
	 * and CSS index is 0.
	 * loop stop at num_of_paging_blk since that last block is not full.
	 */
	for (idx = 1; idx < mvm->num_of_paging_blk; idx++) {
		memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block),
		       image->sec[sec_idx].data + offset,
		       mvm->fw_paging_db[idx].fw_paging_size);

		IWL_DEBUG_FW(mvm,
			     "Paging: copied %d paging bytes to block %d\n",
			     mvm->fw_paging_db[idx].fw_paging_size,
			     idx);

		offset += mvm->fw_paging_db[idx].fw_paging_size;
	}

	/* copy the last paging block */
	if (mvm->num_of_pages_in_last_blk > 0) {
		memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block),
		       image->sec[sec_idx].data + offset,
		       FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk);

		IWL_DEBUG_FW(mvm,
			     "Paging: copied %d pages in the last block %d\n",
			     mvm->num_of_pages_in_last_blk, idx);
	}

	return 0;
}

static int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm,
				   const struct fw_img *image)
{
	struct page *block;
	dma_addr_t phys = 0;
	int blk_idx = 0;
	int order, num_of_pages;
	int dma_enabled;

	if (mvm->fw_paging_db[0].fw_paging_block)
		return 0;

	dma_enabled = is_device_dma_capable(mvm->trans->dev);

	/* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */
	BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE);

	num_of_pages = image->paging_mem_size / FW_PAGING_SIZE;
	mvm->num_of_paging_blk = ((num_of_pages - 1) /
				    NUM_OF_PAGE_PER_GROUP) + 1;

	mvm->num_of_pages_in_last_blk =
		num_of_pages -
		NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1);

	IWL_DEBUG_FW(mvm,
		     "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n",
		     mvm->num_of_paging_blk,
		     mvm->num_of_pages_in_last_blk);

	/* allocate block of 4Kbytes for paging CSS */
	order = get_order(FW_PAGING_SIZE);
	block = alloc_pages(GFP_KERNEL, order);
	if (!block) {
		/* free all the previous pages since we failed */
		iwl_free_fw_paging(mvm);
		return -ENOMEM;
	}

	mvm->fw_paging_db[blk_idx].fw_paging_block = block;
	mvm->fw_paging_db[blk_idx].fw_paging_size = FW_PAGING_SIZE;

	if (dma_enabled) {
		phys = dma_map_page(mvm->trans->dev, block, 0,
				    PAGE_SIZE << order, DMA_BIDIRECTIONAL);
		if (dma_mapping_error(mvm->trans->dev, phys)) {
			/*
			 * free the previous pages and the current one since
			 * we failed to map_page.
			 */
			iwl_free_fw_paging(mvm);
			return -ENOMEM;
		}
		mvm->fw_paging_db[blk_idx].fw_paging_phys = phys;
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	} else {
		mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG |
			blk_idx << BLOCK_2_EXP_SIZE;
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	}

	IWL_DEBUG_FW(mvm,
		     "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n",
		     order);

	/*
	 * allocate blocks in dram.
	 * since that CSS allocated in fw_paging_db[0] loop start from index 1
	 */
	for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) {
		/* allocate block of PAGING_BLOCK_SIZE (32K) */
		order = get_order(PAGING_BLOCK_SIZE);
		block = alloc_pages(GFP_KERNEL, order);
		if (!block) {
			/* free all the previous pages since we failed */
			iwl_free_fw_paging(mvm);
			return -ENOMEM;
		}

		mvm->fw_paging_db[blk_idx].fw_paging_block = block;
		mvm->fw_paging_db[blk_idx].fw_paging_size = PAGING_BLOCK_SIZE;

		if (dma_enabled) {
			phys = dma_map_page(mvm->trans->dev, block, 0,
					    PAGE_SIZE << order,
					    DMA_BIDIRECTIONAL);
			if (dma_mapping_error(mvm->trans->dev, phys)) {
				/*
				 * free the previous pages and the current one
				 * since we failed to map_page.
				 */
				iwl_free_fw_paging(mvm);
				return -ENOMEM;
			}
			mvm->fw_paging_db[blk_idx].fw_paging_phys = phys;
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		} else {
			mvm->fw_paging_db[blk_idx].fw_paging_phys =
				PAGING_ADDR_SIG |
				blk_idx << BLOCK_2_EXP_SIZE;
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		}

		IWL_DEBUG_FW(mvm,
			     "Paging: allocated 32K bytes (order %d) for firmware paging.\n",
			     order);
	}

	return 0;
}

static int iwl_save_fw_paging(struct iwl_mvm *mvm,
			      const struct fw_img *fw)
{
	int ret;

	ret = iwl_alloc_fw_paging_mem(mvm, fw);
	if (ret)
		return ret;

	return iwl_fill_paging_mem(mvm, fw);
}

/* send paging cmd to FW in case CPU2 has paging image */
static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw)
{
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	struct iwl_fw_paging_cmd paging_cmd = {
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		.flags =
			cpu_to_le32(PAGING_CMD_IS_SECURED |
				    PAGING_CMD_IS_ENABLED |
				    (mvm->num_of_pages_in_last_blk <<
				    PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)),
		.block_size = cpu_to_le32(BLOCK_2_EXP_SIZE),
		.block_num = cpu_to_le32(mvm->num_of_paging_blk),
	};
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	int blk_idx, size = sizeof(paging_cmd);

	/* A bit hard coded - but this is the old API and will be deprecated */
	if (!iwl_mvm_has_new_tx_api(mvm))
		size -= NUM_OF_FW_PAGING_BLOCKS * 4;
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	/* loop for for all paging blocks + CSS block */
	for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) {
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		dma_addr_t addr = mvm->fw_paging_db[blk_idx].fw_paging_phys;

		addr = addr >> PAGE_2_EXP_SIZE;

		if (iwl_mvm_has_new_tx_api(mvm)) {
			__le64 phy_addr = cpu_to_le64(addr);

			paging_cmd.device_phy_addr.addr64[blk_idx] = phy_addr;
		} else {
			__le32 phy_addr = cpu_to_le32(addr);

			paging_cmd.device_phy_addr.addr32[blk_idx] = phy_addr;
		}
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	}

	return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD,
						    IWL_ALWAYS_LONG_GROUP, 0),
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				    0, size, &paging_cmd);
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}

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/*
 * Send paging item cmd to FW in case CPU2 has paging image
 */
static int iwl_trans_get_paging_item(struct iwl_mvm *mvm)
{
	int ret;
	struct iwl_fw_get_item_cmd fw_get_item_cmd = {
		.item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING),
	};

	struct iwl_fw_get_item_resp *item_resp;
	struct iwl_host_cmd cmd = {
		.id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0),
		.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
		.data = { &fw_get_item_cmd, },
	};

	cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd);

	ret = iwl_mvm_send_cmd(mvm, &cmd);
	if (ret) {
		IWL_ERR(mvm,
			"Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n",
			ret);
		return ret;
	}

	item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data;
	if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) {
		IWL_ERR(mvm,
			"Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n",
			le32_to_cpu(item_resp->item_id));
		ret = -EIO;
		goto exit;
	}

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	/* Add an extra page for headers */
	mvm->trans->paging_download_buf = kzalloc(PAGING_BLOCK_SIZE +
						  FW_PAGING_SIZE,
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						  GFP_KERNEL);
	if (!mvm->trans->paging_download_buf) {
		ret = -ENOMEM;
		goto exit;
	}
	mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val);
	mvm->trans->paging_db = mvm->fw_paging_db;
	IWL_DEBUG_FW(mvm,
		     "Paging: got paging request address (paging_req_addr 0x%08x)\n",
		     mvm->trans->paging_req_addr);

exit:
	iwl_free_resp(&cmd);

	return ret;
}

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static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
			 struct iwl_rx_packet *pkt, void *data)
{
	struct iwl_mvm *mvm =
		container_of(notif_wait, struct iwl_mvm, notif_wait);
	struct iwl_mvm_alive_data *alive_data = data;
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	struct mvm_alive_resp_ver1 *palive1;
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	struct mvm_alive_resp_ver2 *palive2;
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	struct mvm_alive_resp *palive;
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	if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive1)) {
		palive1 = (void *)pkt->data;
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		mvm->support_umac_log = false;
		mvm->error_event_table =
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			le32_to_cpu(palive1->error_event_table_ptr);
		mvm->log_event_table =
			le32_to_cpu(palive1->log_event_table_ptr);
		alive_data->scd_base_addr = le32_to_cpu(palive1->scd_base_ptr);
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		alive_data->valid = le16_to_cpu(palive1->status) ==
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				    IWL_ALIVE_STATUS_OK;
		IWL_DEBUG_FW(mvm,
			     "Alive VER1 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
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			     le16_to_cpu(palive1->status), palive1->ver_type,
			     palive1->ver_subtype, palive1->flags);
	} else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive2)) {
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		palive2 = (void *)pkt->data;

		mvm->error_event_table =
			le32_to_cpu(palive2->error_event_table_ptr);
		mvm->log_event_table =
			le32_to_cpu(palive2->log_event_table_ptr);
		alive_data->scd_base_addr = le32_to_cpu(palive2->scd_base_ptr);
		mvm->umac_error_event_table =
			le32_to_cpu(palive2->error_info_addr);
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		mvm->sf_space.addr = le32_to_cpu(palive2->st_fwrd_addr);
		mvm->sf_space.size = le32_to_cpu(palive2->st_fwrd_size);
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		alive_data->valid = le16_to_cpu(palive2->status) ==
				    IWL_ALIVE_STATUS_OK;
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		if (mvm->umac_error_event_table)
			mvm->support_umac_log = true;

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		IWL_DEBUG_FW(mvm,
			     "Alive VER2 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
			     le16_to_cpu(palive2->status), palive2->ver_type,
			     palive2->ver_subtype, palive2->flags);

		IWL_DEBUG_FW(mvm,
			     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
			     palive2->umac_major, palive2->umac_minor);
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	} else if (iwl_rx_packet_payload_len(pkt) == sizeof(*palive)) {
		palive = (void *)pkt->data;

		mvm->error_event_table =
			le32_to_cpu(palive->error_event_table_ptr);
		mvm->log_event_table =
			le32_to_cpu(palive->log_event_table_ptr);
		alive_data->scd_base_addr = le32_to_cpu(palive->scd_base_ptr);
		mvm->umac_error_event_table =
			le32_to_cpu(palive->error_info_addr);
		mvm->sf_space.addr = le32_to_cpu(palive->st_fwrd_addr);
		mvm->sf_space.size = le32_to_cpu(palive->st_fwrd_size);

		alive_data->valid = le16_to_cpu(palive->status) ==
				    IWL_ALIVE_STATUS_OK;
		if (mvm->umac_error_event_table)
			mvm->support_umac_log = true;

		IWL_DEBUG_FW(mvm,
			     "Alive VER3 ucode status 0x%04x revision 0x%01X 0x%01X flags 0x%01X\n",
			     le16_to_cpu(palive->status), palive->ver_type,
			     palive->ver_subtype, palive->flags);

		IWL_DEBUG_FW(mvm,
			     "UMAC version: Major - 0x%x, Minor - 0x%x\n",
			     le32_to_cpu(palive->umac_major),
			     le32_to_cpu(palive->umac_minor));
560
	}
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	return true;
}

static bool iwl_wait_phy_db_entry(struct iwl_notif_wait_data *notif_wait,
				  struct iwl_rx_packet *pkt, void *data)
{
	struct iwl_phy_db *phy_db = data;

	if (pkt->hdr.cmd != CALIB_RES_NOTIF_PHY_DB) {
		WARN_ON(pkt->hdr.cmd != INIT_COMPLETE_NOTIF);
		return true;
	}

575
	WARN_ON(iwl_phy_db_set_section(phy_db, pkt));
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	return false;
}

static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
					 enum iwl_ucode_type ucode_type)
{
	struct iwl_notification_wait alive_wait;
	struct iwl_mvm_alive_data alive_data;
	const struct fw_img *fw;
	int ret, i;
	enum iwl_ucode_type old_type = mvm->cur_ucode;
588
	static const u16 alive_cmd[] = { MVM_ALIVE };
589
	struct iwl_sf_region st_fwrd_space;
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Johannes Berg 已提交
590

591
	if (ucode_type == IWL_UCODE_REGULAR &&
592 593 594
	    iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
	    !(fw_has_capa(&mvm->fw->ucode_capa,
			  IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED)))
595 596 597
		fw = iwl_get_ucode_image(mvm, IWL_UCODE_REGULAR_USNIFFER);
	else
		fw = iwl_get_ucode_image(mvm, ucode_type);
598
	if (WARN_ON(!fw))
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Johannes Berg 已提交
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		return -EINVAL;
600 601
	mvm->cur_ucode = ucode_type;
	mvm->ucode_loaded = false;
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	iwl_init_notification_wait(&mvm->notif_wait, &alive_wait,
				   alive_cmd, ARRAY_SIZE(alive_cmd),
				   iwl_alive_fn, &alive_data);

	ret = iwl_trans_start_fw(mvm->trans, fw, ucode_type == IWL_UCODE_INIT);
	if (ret) {
		mvm->cur_ucode = old_type;
		iwl_remove_notification(&mvm->notif_wait, &alive_wait);
		return ret;
	}

	/*
	 * Some things may run in the background now, but we
	 * just wait for the ALIVE notification here.
	 */
	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
				    MVM_UCODE_ALIVE_TIMEOUT);
	if (ret) {
621 622 623 624 625
		if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
			IWL_ERR(mvm,
				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
				iwl_read_prph(mvm->trans, SB_CPU_1_STATUS),
				iwl_read_prph(mvm->trans, SB_CPU_2_STATUS));
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		mvm->cur_ucode = old_type;
		return ret;
	}

	if (!alive_data.valid) {
		IWL_ERR(mvm, "Loaded ucode is not valid!\n");
		mvm->cur_ucode = old_type;
		return -EIO;
	}

636 637 638 639 640 641 642
	/*
	 * update the sdio allocation according to the pointer we get in the
	 * alive notification.
	 */
	st_fwrd_space.addr = mvm->sf_space.addr;
	st_fwrd_space.size = mvm->sf_space.size;
	ret = iwl_trans_update_sf(mvm->trans, &st_fwrd_space);
643 644 645 646
	if (ret) {
		IWL_ERR(mvm, "Failed to update SF size. ret %d\n", ret);
		return ret;
	}
647

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	iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr);

650 651 652 653 654 655
	/*
	 * configure and operate fw paging mechanism.
	 * driver configures the paging flow only once, CPU2 paging image
	 * included in the IWL_UCODE_INIT image.
	 */
	if (fw->paging_mem_size) {
656 657 658 659 660 661 662 663 664 665 666 667 668 669
		/*
		 * When dma is not enabled, the driver needs to copy / write
		 * the downloaded / uploaded page to / from the smem.
		 * This gets the location of the place were the pages are
		 * stored.
		 */
		if (!is_device_dma_capable(mvm->trans->dev)) {
			ret = iwl_trans_get_paging_item(mvm);
			if (ret) {
				IWL_ERR(mvm, "failed to get FW paging item\n");
				return ret;
			}
		}

670 671 672 673 674 675 676 677 678 679 680 681 682 683
		ret = iwl_save_fw_paging(mvm, fw);
		if (ret) {
			IWL_ERR(mvm, "failed to save the FW paging image\n");
			return ret;
		}

		ret = iwl_send_paging_cmd(mvm, fw);
		if (ret) {
			IWL_ERR(mvm, "failed to send the paging cmd\n");
			iwl_free_fw_paging(mvm);
			return ret;
		}
	}

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Johannes Berg 已提交
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	/*
	 * Note: all the queues are enabled as part of the interface
	 * initialization, but in firmware restart scenarios they
	 * could be stopped, so wake them up. In firmware restart,
	 * mac80211 will have the queues stopped as well until the
	 * reconfiguration completes. During normal startup, they
	 * will be empty.
	 */

693
	memset(&mvm->queue_info, 0, sizeof(mvm->queue_info));
694 695 696 697
	if (iwl_mvm_is_dqa_supported(mvm))
		mvm->queue_info[IWL_MVM_DQA_CMD_QUEUE].hw_queue_refcount = 1;
	else
		mvm->queue_info[IWL_MVM_CMD_QUEUE].hw_queue_refcount = 1;
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699 700
	for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
		atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
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	mvm->ucode_loaded = true;

	return 0;
}

static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
	struct iwl_phy_cfg_cmd phy_cfg_cmd;
	enum iwl_ucode_type ucode_type = mvm->cur_ucode;

	/* Set parameters */
713
	phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm));
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	phy_cfg_cmd.calib_control.event_trigger =
		mvm->fw->default_calib[ucode_type].event_trigger;
	phy_cfg_cmd.calib_control.flow_trigger =
		mvm->fw->default_calib[ucode_type].flow_trigger;

	IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
		       phy_cfg_cmd.phy_cfg);

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722
	return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
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				    sizeof(phy_cfg_cmd), &phy_cfg_cmd);
}

int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
{
	struct iwl_notification_wait calib_wait;
729
	static const u16 init_complete[] = {
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		INIT_COMPLETE_NOTIF,
		CALIB_RES_NOTIF_PHY_DB
	};
	int ret;

	lockdep_assert_held(&mvm->mutex);

737
	if (WARN_ON_ONCE(mvm->calibrating))
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		return 0;

	iwl_init_notification_wait(&mvm->notif_wait,
				   &calib_wait,
				   init_complete,
				   ARRAY_SIZE(init_complete),
				   iwl_wait_phy_db_entry,
				   mvm->phy_db);

	/* Will also start the device */
	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_INIT);
	if (ret) {
		IWL_ERR(mvm, "Failed to start INIT ucode: %d\n", ret);
		goto error;
	}

754
	ret = iwl_send_bt_init_conf(mvm);
755 756 757
	if (ret)
		goto error;

758
	/* Read the NVM only at driver load time, no need to do this twice */
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	if (read_nvm) {
		/* Read nvm */
761
		ret = iwl_nvm_init(mvm, true);
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762 763 764 765 766 767
		if (ret) {
			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
			goto error;
		}
	}

768
	/* In case we read the NVM from external file, load it to the NIC */
769
	if (mvm->nvm_file_name)
770 771
		iwl_mvm_load_nvm_to_nic(mvm);

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772 773 774
	ret = iwl_nvm_check_version(mvm->nvm_data, mvm->trans);
	WARN_ON(ret);

775 776 777 778
	/*
	 * abort after reading the nvm in case RF Kill is on, we will complete
	 * the init seq later when RF kill will switch to off
	 */
779
	if (iwl_mvm_is_radio_hw_killed(mvm)) {
780 781 782
		IWL_DEBUG_RF_KILL(mvm,
				  "jump over all phy activities due to RF kill\n");
		iwl_remove_notification(&mvm->notif_wait, &calib_wait);
783 784
		ret = 1;
		goto out;
785 786
	}

787 788
	mvm->calibrating = true;

789
	/* Send TX valid antennas before triggering calibrations */
790
	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
791 792 793
	if (ret)
		goto error;

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	/*
	 * Send phy configurations command to init uCode
	 * to start the 16.0 uCode init image internal calibrations.
	 */
	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret) {
		IWL_ERR(mvm, "Failed to run INIT calibrations: %d\n",
			ret);
		goto error;
	}

	/*
	 * Some things may run in the background now, but we
	 * just wait for the calibration complete notification.
	 */
	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
			MVM_UCODE_CALIB_TIMEOUT);
811

812
	if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
813 814 815
		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
		ret = 1;
	}
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816 817 818 819 820
	goto out;

error:
	iwl_remove_notification(&mvm->notif_wait, &calib_wait);
out:
821
	mvm->calibrating = false;
822
	if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) {
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		/* we want to debug INIT and we have no NVM - fake */
		mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) +
					sizeof(struct ieee80211_channel) +
					sizeof(struct ieee80211_rate),
					GFP_KERNEL);
		if (!mvm->nvm_data)
			return -ENOMEM;
		mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;
		mvm->nvm_data->bands[0].n_channels = 1;
		mvm->nvm_data->bands[0].n_bitrates = 1;
		mvm->nvm_data->bands[0].bitrates =
			(void *)mvm->nvm_data->channels + 1;
		mvm->nvm_data->bands[0].bitrates->hw_value = 10;
	}

	return ret;
}

841 842
static void iwl_mvm_parse_shared_mem_a000(struct iwl_mvm *mvm,
					  struct iwl_rx_packet *pkt)
843
{
844 845
	struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
	int i;
846

847 848 849 850 851 852 853 854
	mvm->shared_mem_cfg.num_txfifo_entries =
		ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size);
	for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
		mvm->shared_mem_cfg.txfifo_size[i] =
			le32_to_cpu(mem_cfg->txfifo_size[i]);
	for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++)
		mvm->shared_mem_cfg.rxfifo_size[i] =
			le32_to_cpu(mem_cfg->rxfifo_size[i]);
855

856 857
	BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) !=
		     sizeof(mem_cfg->internal_txfifo_size));
858

859 860 861 862 863
	for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size);
	     i++)
		mvm->shared_mem_cfg.internal_txfifo_size[i] =
			le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
}
864

865 866 867 868 869 870 871 872 873
static void iwl_mvm_parse_shared_mem(struct iwl_mvm *mvm,
				     struct iwl_rx_packet *pkt)
{
	struct iwl_shared_mem_cfg_v1 *mem_cfg = (void *)pkt->data;
	int i;

	mvm->shared_mem_cfg.num_txfifo_entries =
		ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size);
	for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
874 875 876 877 878
		mvm->shared_mem_cfg.txfifo_size[i] =
			le32_to_cpu(mem_cfg->txfifo_size[i]);
	for (i = 0; i < ARRAY_SIZE(mvm->shared_mem_cfg.rxfifo_size); i++)
		mvm->shared_mem_cfg.rxfifo_size[i] =
			le32_to_cpu(mem_cfg->rxfifo_size[i]);
879

880
	/* new API has more data, from rxfifo_addr field and on */
881 882 883 884 885 886 887 888 889 890 891
	if (fw_has_capa(&mvm->fw->ucode_capa,
			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
		BUILD_BUG_ON(sizeof(mvm->shared_mem_cfg.internal_txfifo_size) !=
			     sizeof(mem_cfg->internal_txfifo_size));

		for (i = 0;
		     i < ARRAY_SIZE(mvm->shared_mem_cfg.internal_txfifo_size);
		     i++)
			mvm->shared_mem_cfg.internal_txfifo_size[i] =
				le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
	}
892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
}

static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm)
{
	struct iwl_host_cmd cmd = {
		.flags = CMD_WANT_SKB,
		.data = { NULL, },
		.len = { 0, },
	};
	struct iwl_rx_packet *pkt;

	lockdep_assert_held(&mvm->mutex);

	if (fw_has_capa(&mvm->fw->ucode_capa,
			IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
		cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
	else
		cmd.id = SHARED_MEM_CFG;

	if (WARN_ON(iwl_mvm_send_cmd(mvm, &cmd)))
		return;

	pkt = cmd.resp_pkt;
	if (iwl_mvm_has_new_tx_api(mvm))
		iwl_mvm_parse_shared_mem_a000(mvm, pkt);
	else
		iwl_mvm_parse_shared_mem(mvm, pkt);
919

920 921 922 923 924
	IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n");

	iwl_free_resp(&cmd);
}

925 926 927 928 929 930 931 932 933 934 935 936 937
static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
{
	struct iwl_ltr_config_cmd cmd = {
		.flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE),
	};

	if (!mvm->trans->ltr_enabled)
		return 0;

	return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0,
				    sizeof(cmd), &cmd);
}

938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
#define ACPI_WRDS_METHOD	"WRDS"
#define ACPI_WRDS_WIFI		(0x07)
#define ACPI_WRDS_TABLE_SIZE	10

struct iwl_mvm_sar_table {
	bool enabled;
	u8 values[ACPI_WRDS_TABLE_SIZE];
};

#ifdef CONFIG_ACPI
static int iwl_mvm_sar_get_wrds(struct iwl_mvm *mvm, union acpi_object *wrds,
				struct iwl_mvm_sar_table *sar_table)
{
	union acpi_object *data_pkg;
	u32 i;

	/* We need at least two packages, one for the revision and one
	 * for the data itself.  Also check that the revision is valid
	 * (i.e. it is an integer set to 0).
	*/
	if (wrds->type != ACPI_TYPE_PACKAGE ||
	    wrds->package.count < 2 ||
	    wrds->package.elements[0].type != ACPI_TYPE_INTEGER ||
	    wrds->package.elements[0].integer.value != 0) {
		IWL_DEBUG_RADIO(mvm, "Unsupported wrds structure\n");
		return -EINVAL;
	}

	/* loop through all the packages to find the one for WiFi */
	for (i = 1; i < wrds->package.count; i++) {
		union acpi_object *domain;

		data_pkg = &wrds->package.elements[i];

		/* Skip anything that is not a package with the right
		 * amount of elements (i.e. domain_type,
		 * enabled/disabled plus the sar table size.
		 */
		if (data_pkg->type != ACPI_TYPE_PACKAGE ||
		    data_pkg->package.count != ACPI_WRDS_TABLE_SIZE + 2)
			continue;

		domain = &data_pkg->package.elements[0];
		if (domain->type == ACPI_TYPE_INTEGER &&
		    domain->integer.value == ACPI_WRDS_WIFI)
			break;

		data_pkg = NULL;
	}

	if (!data_pkg)
		return -ENOENT;

	if (data_pkg->package.elements[1].type != ACPI_TYPE_INTEGER)
		return -EINVAL;

	sar_table->enabled = !!(data_pkg->package.elements[1].integer.value);

	for (i = 0; i < ACPI_WRDS_TABLE_SIZE; i++) {
		union acpi_object *entry;

		entry = &data_pkg->package.elements[i + 2];
		if ((entry->type != ACPI_TYPE_INTEGER) ||
		    (entry->integer.value > U8_MAX))
			return -EINVAL;

		sar_table->values[i] = entry->integer.value;
	}

	return 0;
}

static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm,
				 struct iwl_mvm_sar_table *sar_table)
{
	acpi_handle root_handle;
	acpi_handle handle;
	struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL};
	acpi_status status;
	int ret;

	root_handle = ACPI_HANDLE(mvm->dev);
	if (!root_handle) {
		IWL_DEBUG_RADIO(mvm,
				"Could not retrieve root port ACPI handle\n");
		return -ENOENT;
	}

	/* Get the method's handle */
	status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD,
				 &handle);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WRDS method not found\n");
		return -ENOENT;
	}

	/* Call WRDS with no arguments */
	status = acpi_evaluate_object(handle, NULL, NULL, &wrds);
	if (ACPI_FAILURE(status)) {
		IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status);
		return -ENOENT;
	}

	ret = iwl_mvm_sar_get_wrds(mvm, wrds.pointer, sar_table);
	kfree(wrds.pointer);

	return ret;
}
#else /* CONFIG_ACPI */
static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm,
				 struct iwl_mvm_sar_table *sar_table)
{
	return -ENOENT;
}
#endif /* CONFIG_ACPI */

static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
{
	struct iwl_mvm_sar_table sar_table;
	struct iwl_dev_tx_power_cmd cmd = {
1058
		.v3.v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
1059 1060
	};
	int ret, i, j, idx;
1061
	int len = sizeof(cmd);
1062 1063 1064 1065 1066 1067 1068 1069 1070

	/* we can't do anything with the table if the FW doesn't support it */
	if (!fw_has_api(&mvm->fw->ucode_capa,
			IWL_UCODE_TLV_API_TX_POWER_CHAIN)) {
		IWL_DEBUG_RADIO(mvm,
				"FW doesn't support per-chain TX power settings.\n");
		return 0;
	}

1071 1072 1073
	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
		len = sizeof(cmd.v3);

1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
	ret = iwl_mvm_sar_get_table(mvm, &sar_table);
	if (ret < 0) {
		IWL_DEBUG_RADIO(mvm,
				"SAR BIOS table invalid or unavailable. (%d)\n",
				ret);
		/* we don't fail if the table is not available */
		return 0;
	}

	if (!sar_table.enabled)
		return 0;

	IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");

	BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS !=
		     ACPI_WRDS_TABLE_SIZE);

	for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
		IWL_DEBUG_RADIO(mvm, "  Chain[%d]:\n", i);
		for (j = 0; j < IWL_NUM_SUB_BANDS; j++) {
			idx = (i * IWL_NUM_SUB_BANDS) + j;
1095
			cmd.v3.per_chain_restriction[i][j] =
1096 1097 1098 1099 1100 1101
				cpu_to_le16(sar_table.values[idx]);
			IWL_DEBUG_RADIO(mvm, "    Band[%d] = %d * .125dBm\n",
					j, sar_table.values[idx]);
		}
	}

1102
	ret = iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
1103 1104 1105 1106 1107 1108
	if (ret)
		IWL_ERR(mvm, "failed to set per-chain TX power: %d\n", ret);

	return ret;
}

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Johannes Berg 已提交
1109 1110 1111
int iwl_mvm_up(struct iwl_mvm *mvm)
{
	int ret, i;
1112 1113
	struct ieee80211_channel *chan;
	struct cfg80211_chan_def chandef;
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Johannes Berg 已提交
1114 1115 1116 1117 1118 1119 1120

	lockdep_assert_held(&mvm->mutex);

	ret = iwl_trans_start_hw(mvm->trans);
	if (ret)
		return ret;

1121 1122 1123 1124 1125
	/*
	 * If we haven't completed the run of the init ucode during
	 * module loading, load init ucode now
	 * (for example, if we were in RFKILL)
	 */
1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140
	ret = iwl_run_init_mvm_ucode(mvm, false);
	if (ret && !iwlmvm_mod_params.init_dbg) {
		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
		/* this can't happen */
		if (WARN_ON(ret > 0))
			ret = -ERFKILL;
		goto error;
	}
	if (!iwlmvm_mod_params.init_dbg) {
		/*
		 * Stop and start the transport without entering low power
		 * mode. This will save the state of other components on the
		 * device that are triggered by the INIT firwmare (MFUART).
		 */
		_iwl_trans_stop_device(mvm->trans, false);
1141
		ret = _iwl_trans_start_hw(mvm->trans, false);
1142
		if (ret)
1143
			goto error;
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Johannes Berg 已提交
1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
	}

	if (iwlmvm_mod_params.init_dbg)
		return 0;

	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
	if (ret) {
		IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
		goto error;
	}

1155
	iwl_mvm_get_shared_mem_conf(mvm);
1156

1157 1158 1159 1160
	ret = iwl_mvm_sf_update(mvm, NULL, false);
	if (ret)
		IWL_ERR(mvm, "Failed to initialize Smart Fifo\n");

1161
	mvm->fw_dbg_conf = FW_DBG_INVALID;
1162 1163 1164
	/* if we have a destination, assume EARLY START */
	if (mvm->fw->dbg_dest_tlv)
		mvm->fw_dbg_conf = FW_DBG_START_FROM_ALIVE;
1165
	iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_START_FROM_ALIVE);
1166

1167
	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
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1168 1169 1170
	if (ret)
		goto error;

1171 1172 1173 1174
	ret = iwl_send_bt_init_conf(mvm);
	if (ret)
		goto error;

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1175 1176 1177 1178 1179 1180 1181 1182 1183
	/* Send phy db control command and then phy db calibration*/
	ret = iwl_send_phy_db_data(mvm->phy_db);
	if (ret)
		goto error;

	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret)
		goto error;

1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
	/* Init RSS configuration */
	if (iwl_mvm_has_new_rx_api(mvm)) {
		ret = iwl_send_rss_cfg_cmd(mvm);
		if (ret) {
			IWL_ERR(mvm, "Failed to configure RSS queues: %d\n",
				ret);
			goto error;
		}
	}

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1194 1195 1196 1197
	/* init the fw <-> mac80211 STA mapping */
	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);

1198 1199
	mvm->tdls_cs.peer.sta_id = IWL_MVM_STATION_COUNT;

1200 1201 1202
	/* reset quota debouncing buffer - 0xff will yield invalid data */
	memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd));

1203 1204 1205 1206 1207 1208 1209 1210 1211
	/* Enable DQA-mode if required */
	if (iwl_mvm_is_dqa_supported(mvm)) {
		ret = iwl_mvm_send_dqa_cmd(mvm);
		if (ret)
			goto error;
	} else {
		IWL_DEBUG_FW(mvm, "Working in non-DQA mode\n");
	}

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1212 1213 1214 1215 1216
	/* Add auxiliary station for scanning */
	ret = iwl_mvm_add_aux_sta(mvm);
	if (ret)
		goto error;

1217
	/* Add all the PHY contexts */
1218
	chan = &mvm->hw->wiphy->bands[NL80211_BAND_2GHZ]->channels[0];
1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230
	cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
	for (i = 0; i < NUM_PHY_CTX; i++) {
		/*
		 * The channel used here isn't relevant as it's
		 * going to be overwritten in the other flows.
		 * For now use the first channel we have.
		 */
		ret = iwl_mvm_phy_ctxt_add(mvm, &mvm->phy_ctxts[i],
					   &chandef, 1, 1);
		if (ret)
			goto error;
	}
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Johannes Berg 已提交
1231

1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
#ifdef CONFIG_THERMAL
	if (iwl_mvm_is_tt_in_fw(mvm)) {
		/* in order to give the responsibility of ct-kill and
		 * TX backoff to FW we need to send empty temperature reporting
		 * cmd during init time
		 */
		iwl_mvm_send_temp_report_ths_cmd(mvm);
	} else {
		/* Initialize tx backoffs to the minimal possible */
		iwl_mvm_tt_tx_backoff(mvm, 0);
	}
1243 1244 1245 1246 1247

	/* TODO: read the budget from BIOS / Platform NVM */
	if (iwl_mvm_is_ctdp_supported(mvm) && mvm->cooling_dev.cur_state > 0)
		ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START,
					   mvm->cooling_dev.cur_state);
1248
#else
1249 1250
	/* Initialize tx backoffs to the minimal possible */
	iwl_mvm_tt_tx_backoff(mvm, 0);
1251
#endif
1252

1253
	WARN_ON(iwl_mvm_config_ltr(mvm));
E
Emmanuel Grumbach 已提交
1254

1255
	ret = iwl_mvm_power_update_device(mvm);
1256 1257 1258
	if (ret)
		goto error;

1259 1260 1261 1262 1263 1264 1265 1266 1267
	/*
	 * RTNL is not taken during Ct-kill, but we don't need to scan/Tx
	 * anyway, so don't init MCC.
	 */
	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) {
		ret = iwl_mvm_init_mcc(mvm);
		if (ret)
			goto error;
	}
1268

1269
	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
1270
		mvm->scan_type = IWL_SCAN_TYPE_NOT_SET;
1271 1272 1273 1274 1275
		ret = iwl_mvm_config_scan(mvm);
		if (ret)
			goto error;
	}

1276 1277 1278 1279
	if (iwl_mvm_is_csum_supported(mvm) &&
	    mvm->cfg->features & NETIF_F_RXCSUM)
		iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3);

1280 1281 1282 1283
	/* allow FW/transport low power modes if not during restart */
	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
		iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);

1284 1285 1286 1287
	ret = iwl_mvm_sar_init(mvm);
	if (ret)
		goto error;

1288
	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
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Johannes Berg 已提交
1289 1290
	return 0;
 error:
1291
	iwl_mvm_stop_device(mvm);
J
Johannes Berg 已提交
1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310
	return ret;
}

int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm)
{
	int ret, i;

	lockdep_assert_held(&mvm->mutex);

	ret = iwl_trans_start_hw(mvm->trans);
	if (ret)
		return ret;

	ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_WOWLAN);
	if (ret) {
		IWL_ERR(mvm, "Failed to start WoWLAN firmware: %d\n", ret);
		goto error;
	}

1311
	ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm));
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Johannes Berg 已提交
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334
	if (ret)
		goto error;

	/* Send phy db control command and then phy db calibration*/
	ret = iwl_send_phy_db_data(mvm->phy_db);
	if (ret)
		goto error;

	ret = iwl_send_phy_cfg_cmd(mvm);
	if (ret)
		goto error;

	/* init the fw <-> mac80211 STA mapping */
	for (i = 0; i < IWL_MVM_STATION_COUNT; i++)
		RCU_INIT_POINTER(mvm->fw_id_to_mac_id[i], NULL);

	/* Add auxiliary station for scanning */
	ret = iwl_mvm_add_aux_sta(mvm);
	if (ret)
		goto error;

	return 0;
 error:
1335
	iwl_mvm_stop_device(mvm);
J
Johannes Berg 已提交
1336 1337 1338
	return ret;
}

1339 1340
void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb)
J
Johannes Berg 已提交
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
	u32 flags = le32_to_cpu(card_state_notif->flags);

	IWL_DEBUG_RF_KILL(mvm, "Card state received: HW:%s SW:%s CT:%s\n",
			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
			  (flags & SW_CARD_DISABLED) ? "Kill" : "On",
			  (flags & CT_KILL_CARD_DISABLED) ?
			  "Reached" : "Not reached");
}

1353 1354
void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
			     struct iwl_rx_cmd_buffer *rxb)
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;

	IWL_DEBUG_INFO(mvm,
		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
		       le32_to_cpu(mfuart_notif->installed_ver),
		       le32_to_cpu(mfuart_notif->external_ver),
		       le32_to_cpu(mfuart_notif->status),
		       le32_to_cpu(mfuart_notif->duration));
}