472 lines
12 KiB
C
472 lines
12 KiB
C
/******************************************************************************
|
|
*
|
|
* 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) 2007 - 2014 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) 2005 - 2014 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/slab.h>
|
|
#include <linux/string.h>
|
|
#include <linux/export.h>
|
|
|
|
#include "iwl-drv.h"
|
|
#include "iwl-phy-db.h"
|
|
#include "iwl-debug.h"
|
|
#include "iwl-op-mode.h"
|
|
#include "iwl-trans.h"
|
|
|
|
#define CHANNEL_NUM_SIZE 4 /* num of channels in calib_ch size */
|
|
#define IWL_NUM_PAPD_CH_GROUPS 7
|
|
#define IWL_NUM_TXP_CH_GROUPS 9
|
|
|
|
struct iwl_phy_db_entry {
|
|
u16 size;
|
|
u8 *data;
|
|
};
|
|
|
|
/**
|
|
* struct iwl_phy_db - stores phy configuration and calibration data.
|
|
*
|
|
* @cfg: phy configuration.
|
|
* @calib_nch: non channel specific calibration data.
|
|
* @calib_ch: channel specific calibration data.
|
|
* @calib_ch_group_papd: calibration data related to papd channel group.
|
|
* @calib_ch_group_txp: calibration data related to tx power chanel group.
|
|
*/
|
|
struct iwl_phy_db {
|
|
struct iwl_phy_db_entry cfg;
|
|
struct iwl_phy_db_entry calib_nch;
|
|
struct iwl_phy_db_entry calib_ch_group_papd[IWL_NUM_PAPD_CH_GROUPS];
|
|
struct iwl_phy_db_entry calib_ch_group_txp[IWL_NUM_TXP_CH_GROUPS];
|
|
|
|
struct iwl_trans *trans;
|
|
};
|
|
|
|
enum iwl_phy_db_section_type {
|
|
IWL_PHY_DB_CFG = 1,
|
|
IWL_PHY_DB_CALIB_NCH,
|
|
IWL_PHY_DB_UNUSED,
|
|
IWL_PHY_DB_CALIB_CHG_PAPD,
|
|
IWL_PHY_DB_CALIB_CHG_TXP,
|
|
IWL_PHY_DB_MAX
|
|
};
|
|
|
|
#define PHY_DB_CMD 0x6c /* TEMP API - The actual is 0x8c */
|
|
|
|
/*
|
|
* phy db - configure operational ucode
|
|
*/
|
|
struct iwl_phy_db_cmd {
|
|
__le16 type;
|
|
__le16 length;
|
|
u8 data[];
|
|
} __packed;
|
|
|
|
/* for parsing of tx power channel group data that comes from the firmware*/
|
|
struct iwl_phy_db_chg_txp {
|
|
__le32 space;
|
|
__le16 max_channel_idx;
|
|
} __packed;
|
|
|
|
/*
|
|
* phy db - Receieve phy db chunk after calibrations
|
|
*/
|
|
struct iwl_calib_res_notif_phy_db {
|
|
__le16 type;
|
|
__le16 length;
|
|
u8 data[];
|
|
} __packed;
|
|
|
|
struct iwl_phy_db *iwl_phy_db_init(struct iwl_trans *trans)
|
|
{
|
|
struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db),
|
|
GFP_KERNEL);
|
|
|
|
if (!phy_db)
|
|
return phy_db;
|
|
|
|
phy_db->trans = trans;
|
|
|
|
/* TODO: add default values of the phy db. */
|
|
return phy_db;
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_phy_db_init);
|
|
|
|
/*
|
|
* get phy db section: returns a pointer to a phy db section specified by
|
|
* type and channel group id.
|
|
*/
|
|
static struct iwl_phy_db_entry *
|
|
iwl_phy_db_get_section(struct iwl_phy_db *phy_db,
|
|
enum iwl_phy_db_section_type type,
|
|
u16 chg_id)
|
|
{
|
|
if (!phy_db || type >= IWL_PHY_DB_MAX)
|
|
return NULL;
|
|
|
|
switch (type) {
|
|
case IWL_PHY_DB_CFG:
|
|
return &phy_db->cfg;
|
|
case IWL_PHY_DB_CALIB_NCH:
|
|
return &phy_db->calib_nch;
|
|
case IWL_PHY_DB_CALIB_CHG_PAPD:
|
|
if (chg_id >= IWL_NUM_PAPD_CH_GROUPS)
|
|
return NULL;
|
|
return &phy_db->calib_ch_group_papd[chg_id];
|
|
case IWL_PHY_DB_CALIB_CHG_TXP:
|
|
if (chg_id >= IWL_NUM_TXP_CH_GROUPS)
|
|
return NULL;
|
|
return &phy_db->calib_ch_group_txp[chg_id];
|
|
default:
|
|
return NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db,
|
|
enum iwl_phy_db_section_type type,
|
|
u16 chg_id)
|
|
{
|
|
struct iwl_phy_db_entry *entry =
|
|
iwl_phy_db_get_section(phy_db, type, chg_id);
|
|
if (!entry)
|
|
return;
|
|
|
|
kfree(entry->data);
|
|
entry->data = NULL;
|
|
entry->size = 0;
|
|
}
|
|
|
|
void iwl_phy_db_free(struct iwl_phy_db *phy_db)
|
|
{
|
|
int i;
|
|
|
|
if (!phy_db)
|
|
return;
|
|
|
|
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0);
|
|
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0);
|
|
for (i = 0; i < IWL_NUM_PAPD_CH_GROUPS; i++)
|
|
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i);
|
|
for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++)
|
|
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i);
|
|
|
|
kfree(phy_db);
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_phy_db_free);
|
|
|
|
int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt,
|
|
gfp_t alloc_ctx)
|
|
{
|
|
struct iwl_calib_res_notif_phy_db *phy_db_notif =
|
|
(struct iwl_calib_res_notif_phy_db *)pkt->data;
|
|
enum iwl_phy_db_section_type type = le16_to_cpu(phy_db_notif->type);
|
|
u16 size = le16_to_cpu(phy_db_notif->length);
|
|
struct iwl_phy_db_entry *entry;
|
|
u16 chg_id = 0;
|
|
|
|
if (!phy_db)
|
|
return -EINVAL;
|
|
|
|
if (type == IWL_PHY_DB_CALIB_CHG_PAPD ||
|
|
type == IWL_PHY_DB_CALIB_CHG_TXP)
|
|
chg_id = le16_to_cpup((__le16 *)phy_db_notif->data);
|
|
|
|
entry = iwl_phy_db_get_section(phy_db, type, chg_id);
|
|
if (!entry)
|
|
return -EINVAL;
|
|
|
|
kfree(entry->data);
|
|
entry->data = kmemdup(phy_db_notif->data, size, alloc_ctx);
|
|
if (!entry->data) {
|
|
entry->size = 0;
|
|
return -ENOMEM;
|
|
}
|
|
|
|
entry->size = size;
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"%s(%d): [PHYDB]SET: Type %d , Size: %d\n",
|
|
__func__, __LINE__, type, size);
|
|
|
|
return 0;
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_phy_db_set_section);
|
|
|
|
static int is_valid_channel(u16 ch_id)
|
|
{
|
|
if (ch_id <= 14 ||
|
|
(36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
|
|
(100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
|
|
(145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static u8 ch_id_to_ch_index(u16 ch_id)
|
|
{
|
|
if (WARN_ON(!is_valid_channel(ch_id)))
|
|
return 0xff;
|
|
|
|
if (ch_id <= 14)
|
|
return ch_id - 1;
|
|
if (ch_id <= 64)
|
|
return (ch_id + 20) / 4;
|
|
if (ch_id <= 140)
|
|
return (ch_id - 12) / 4;
|
|
return (ch_id - 13) / 4;
|
|
}
|
|
|
|
|
|
static u16 channel_id_to_papd(u16 ch_id)
|
|
{
|
|
if (WARN_ON(!is_valid_channel(ch_id)))
|
|
return 0xff;
|
|
|
|
if (1 <= ch_id && ch_id <= 14)
|
|
return 0;
|
|
if (36 <= ch_id && ch_id <= 64)
|
|
return 1;
|
|
if (100 <= ch_id && ch_id <= 140)
|
|
return 2;
|
|
return 3;
|
|
}
|
|
|
|
static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
|
|
{
|
|
struct iwl_phy_db_chg_txp *txp_chg;
|
|
int i;
|
|
u8 ch_index = ch_id_to_ch_index(ch_id);
|
|
if (ch_index == 0xff)
|
|
return 0xff;
|
|
|
|
for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++) {
|
|
txp_chg = (void *)phy_db->calib_ch_group_txp[i].data;
|
|
if (!txp_chg)
|
|
return 0xff;
|
|
/*
|
|
* Looking for the first channel group that its max channel is
|
|
* higher then wanted channel.
|
|
*/
|
|
if (le16_to_cpu(txp_chg->max_channel_idx) >= ch_index)
|
|
return i;
|
|
}
|
|
return 0xff;
|
|
}
|
|
static
|
|
int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
|
|
u32 type, u8 **data, u16 *size, u16 ch_id)
|
|
{
|
|
struct iwl_phy_db_entry *entry;
|
|
u16 ch_group_id = 0;
|
|
|
|
if (!phy_db)
|
|
return -EINVAL;
|
|
|
|
/* find wanted channel group */
|
|
if (type == IWL_PHY_DB_CALIB_CHG_PAPD)
|
|
ch_group_id = channel_id_to_papd(ch_id);
|
|
else if (type == IWL_PHY_DB_CALIB_CHG_TXP)
|
|
ch_group_id = channel_id_to_txp(phy_db, ch_id);
|
|
|
|
entry = iwl_phy_db_get_section(phy_db, type, ch_group_id);
|
|
if (!entry)
|
|
return -EINVAL;
|
|
|
|
*data = entry->data;
|
|
*size = entry->size;
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"%s(%d): [PHYDB] GET: Type %d , Size: %d\n",
|
|
__func__, __LINE__, type, *size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int iwl_send_phy_db_cmd(struct iwl_phy_db *phy_db, u16 type,
|
|
u16 length, void *data)
|
|
{
|
|
struct iwl_phy_db_cmd phy_db_cmd;
|
|
struct iwl_host_cmd cmd = {
|
|
.id = PHY_DB_CMD,
|
|
};
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"Sending PHY-DB hcmd of type %d, of length %d\n",
|
|
type, length);
|
|
|
|
/* Set phy db cmd variables */
|
|
phy_db_cmd.type = cpu_to_le16(type);
|
|
phy_db_cmd.length = cpu_to_le16(length);
|
|
|
|
/* Set hcmd variables */
|
|
cmd.data[0] = &phy_db_cmd;
|
|
cmd.len[0] = sizeof(struct iwl_phy_db_cmd);
|
|
cmd.data[1] = data;
|
|
cmd.len[1] = length;
|
|
cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
|
|
|
|
return iwl_trans_send_cmd(phy_db->trans, &cmd);
|
|
}
|
|
|
|
static int iwl_phy_db_send_all_channel_groups(
|
|
struct iwl_phy_db *phy_db,
|
|
enum iwl_phy_db_section_type type,
|
|
u8 max_ch_groups)
|
|
{
|
|
u16 i;
|
|
int err;
|
|
struct iwl_phy_db_entry *entry;
|
|
|
|
/* Send all the channel specific groups to operational fw */
|
|
for (i = 0; i < max_ch_groups; i++) {
|
|
entry = iwl_phy_db_get_section(phy_db,
|
|
type,
|
|
i);
|
|
if (!entry)
|
|
return -EINVAL;
|
|
|
|
if (!entry->size)
|
|
continue;
|
|
|
|
/* Send the requested PHY DB section */
|
|
err = iwl_send_phy_db_cmd(phy_db,
|
|
type,
|
|
entry->size,
|
|
entry->data);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Can't SEND phy_db section %d (%d), err %d\n",
|
|
type, i, err);
|
|
return err;
|
|
}
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"Sent PHY_DB HCMD, type = %d num = %d\n",
|
|
type, i);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int iwl_send_phy_db_data(struct iwl_phy_db *phy_db)
|
|
{
|
|
u8 *data = NULL;
|
|
u16 size = 0;
|
|
int err;
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"Sending phy db data and configuration to runtime image\n");
|
|
|
|
/* Send PHY DB CFG section */
|
|
err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CFG,
|
|
&data, &size, 0);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans, "Cannot get Phy DB cfg section\n");
|
|
return err;
|
|
}
|
|
|
|
err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CFG, size, data);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Cannot send HCMD of Phy DB cfg section\n");
|
|
return err;
|
|
}
|
|
|
|
err = iwl_phy_db_get_section_data(phy_db, IWL_PHY_DB_CALIB_NCH,
|
|
&data, &size, 0);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Cannot get Phy DB non specific channel section\n");
|
|
return err;
|
|
}
|
|
|
|
err = iwl_send_phy_db_cmd(phy_db, IWL_PHY_DB_CALIB_NCH, size, data);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Cannot send HCMD of Phy DB non specific channel section\n");
|
|
return err;
|
|
}
|
|
|
|
/* Send all the TXP channel specific data */
|
|
err = iwl_phy_db_send_all_channel_groups(phy_db,
|
|
IWL_PHY_DB_CALIB_CHG_PAPD,
|
|
IWL_NUM_PAPD_CH_GROUPS);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Cannot send channel specific PAPD groups\n");
|
|
return err;
|
|
}
|
|
|
|
/* Send all the TXP channel specific data */
|
|
err = iwl_phy_db_send_all_channel_groups(phy_db,
|
|
IWL_PHY_DB_CALIB_CHG_TXP,
|
|
IWL_NUM_TXP_CH_GROUPS);
|
|
if (err) {
|
|
IWL_ERR(phy_db->trans,
|
|
"Cannot send channel specific TX power groups\n");
|
|
return err;
|
|
}
|
|
|
|
IWL_DEBUG_INFO(phy_db->trans,
|
|
"Finished sending phy db non channel data\n");
|
|
return 0;
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_send_phy_db_data);
|