diff options
Diffstat (limited to 'sys/dev/iwm/if_iwm_phy_db.c')
| -rw-r--r-- | sys/dev/iwm/if_iwm_phy_db.c | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/sys/dev/iwm/if_iwm_phy_db.c b/sys/dev/iwm/if_iwm_phy_db.c new file mode 100644 index 0000000000000..90c8da9f7a7b5 --- /dev/null +++ b/sys/dev/iwm/if_iwm_phy_db.c @@ -0,0 +1,451 @@ +/* $OpenBSD: if_iwm.c,v 1.39 2015/03/23 00:35:19 jsg Exp $ */ + +/* + * Copyright (c) 2014 genua mbh <info@genua.de> + * Copyright (c) 2014 Fixup Software Ltd. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/*- + * Based on BSD-licensed source modules in the Linux iwlwifi driver, + * which were used as the reference documentation for this implementation. + * + * Driver version we are currently based off of is + * Linux 3.14.3 (tag id a2df521e42b1d9a23f620ac79dbfe8655a8391dd) + * + *********************************************************************** + * + * 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 - 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) 2005 - 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. + */ + +/*- + * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/endian.h> +#include <sys/firmware.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> +#include <sys/mutex.h> +#include <sys/module.h> +#include <sys/proc.h> +#include <sys/rman.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/sysctl.h> +#include <sys/linker.h> + +#include <machine/bus.h> +#include <machine/endian.h> +#include <machine/resource.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> + +#include <net/bpf.h> + +#include <net/if.h> +#include <net/if_var.h> +#include <net/if_arp.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/if_ether.h> +#include <netinet/ip.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_regdomain.h> +#include <net80211/ieee80211_ratectl.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/iwm/if_iwmreg.h> +#include <dev/iwm/if_iwmvar.h> +#include <dev/iwm/if_iwm_debug.h> +#include <dev/iwm/if_iwm_util.h> +#include <dev/iwm/if_iwm_phy_db.h> + +/* + * BEGIN iwl-phy-db.c + */ +/* + * get phy db section: returns a pointer to a phy db section specified by + * type and channel group id. + */ +static struct iwm_phy_db_entry * +iwm_phy_db_get_section(struct iwm_softc *sc, + enum iwm_phy_db_section_type type, uint16_t chg_id) +{ + struct iwm_phy_db *phy_db = &sc->sc_phy_db; + + if (type >= IWM_PHY_DB_MAX) + return NULL; + + switch (type) { + case IWM_PHY_DB_CFG: + return &phy_db->cfg; + case IWM_PHY_DB_CALIB_NCH: + return &phy_db->calib_nch; + case IWM_PHY_DB_CALIB_CHG_PAPD: + if (chg_id >= IWM_NUM_PAPD_CH_GROUPS) + return NULL; + return &phy_db->calib_ch_group_papd[chg_id]; + case IWM_PHY_DB_CALIB_CHG_TXP: + if (chg_id >= IWM_NUM_TXP_CH_GROUPS) + return NULL; + return &phy_db->calib_ch_group_txp[chg_id]; + default: + return NULL; + } + return NULL; +} + +int +iwm_phy_db_set_section(struct iwm_softc *sc, + struct iwm_calib_res_notif_phy_db *phy_db_notif) +{ + enum iwm_phy_db_section_type type = le16toh(phy_db_notif->type); + uint16_t size = le16toh(phy_db_notif->length); + struct iwm_phy_db_entry *entry; + uint16_t chg_id = 0; + + if (type == IWM_PHY_DB_CALIB_CHG_PAPD || + type == IWM_PHY_DB_CALIB_CHG_TXP) + chg_id = le16toh(*(uint16_t *)phy_db_notif->data); + + entry = iwm_phy_db_get_section(sc, type, chg_id); + if (!entry) + return EINVAL; + + if (entry->data) + free(entry->data, M_DEVBUF); + entry->data = malloc(size, M_DEVBUF, M_NOWAIT); + if (!entry->data) { + entry->size = 0; + return ENOMEM; + } + memcpy(entry->data, phy_db_notif->data, size); + entry->size = size; + + IWM_DPRINTF(sc, IWM_DEBUG_RESET, + "%s(%d): [PHYDB]SET: Type %d , Size: %d, data: %p\n", + __func__, __LINE__, type, size, entry->data); + + return 0; +} + +static int +iwm_is_valid_channel(uint16_t 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 uint8_t +iwm_ch_id_to_ch_index(uint16_t ch_id) +{ + if (!iwm_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 uint16_t +iwm_channel_id_to_papd(uint16_t ch_id) +{ + if (!iwm_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 uint16_t +iwm_channel_id_to_txp(struct iwm_softc *sc, uint16_t ch_id) +{ + struct iwm_phy_db *phy_db = &sc->sc_phy_db; + struct iwm_phy_db_chg_txp *txp_chg; + int i; + uint8_t ch_index = iwm_ch_id_to_ch_index(ch_id); + + if (ch_index == 0xff) + return 0xff; + + for (i = 0; i < IWM_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 (le16toh(txp_chg->max_channel_idx) >= ch_index) + return i; + } + return 0xff; +} + +static int +iwm_phy_db_get_section_data(struct iwm_softc *sc, + uint32_t type, uint8_t **data, uint16_t *size, uint16_t ch_id) +{ + struct iwm_phy_db_entry *entry; + uint16_t ch_group_id = 0; + + IWM_DPRINTF(sc, IWM_DEBUG_RESET, "->%s\n", __func__); + /* find wanted channel group */ + if (type == IWM_PHY_DB_CALIB_CHG_PAPD) + ch_group_id = iwm_channel_id_to_papd(ch_id); + else if (type == IWM_PHY_DB_CALIB_CHG_TXP) + ch_group_id = iwm_channel_id_to_txp(sc, ch_id); + + entry = iwm_phy_db_get_section(sc, type, ch_group_id); + if (!entry) + return EINVAL; + + *data = entry->data; + *size = entry->size; + + IWM_DPRINTF(sc, IWM_DEBUG_RESET, + "%s(%d): [PHYDB] GET: Type %d , Size: %d\n", + __func__, __LINE__, type, *size); + + return 0; +} + +static int +iwm_send_phy_db_cmd(struct iwm_softc *sc, uint16_t type, + uint16_t length, void *data) +{ + struct iwm_phy_db_cmd phy_db_cmd; + struct iwm_host_cmd cmd = { + .id = IWM_PHY_DB_CMD, + .flags = IWM_CMD_SYNC, + }; + + IWM_DPRINTF(sc, IWM_DEBUG_CMD, + "Sending PHY-DB hcmd of type %d, of length %d\n", + type, length); + + /* Set phy db cmd variables */ + phy_db_cmd.type = le16toh(type); + phy_db_cmd.length = le16toh(length); + + /* Set hcmd variables */ + cmd.data[0] = &phy_db_cmd; + cmd.len[0] = sizeof(struct iwm_phy_db_cmd); + cmd.data[1] = data; + cmd.len[1] = length; + cmd.dataflags[1] = IWM_HCMD_DFL_NOCOPY; + + return iwm_send_cmd(sc, &cmd); +} + +static int +iwm_phy_db_send_all_channel_groups(struct iwm_softc *sc, + enum iwm_phy_db_section_type type, uint8_t max_ch_groups) +{ + uint16_t i; + int err; + struct iwm_phy_db_entry *entry; + + /* Send all the channel-specific groups to operational fw */ + for (i = 0; i < max_ch_groups; i++) { + entry = iwm_phy_db_get_section(sc, type, i); + if (!entry) + return EINVAL; + + if (!entry->size) + continue; + + /* Send the requested PHY DB section */ + err = iwm_send_phy_db_cmd(sc, type, entry->size, entry->data); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD, + "%s: Can't SEND phy_db section %d (%d), " + "err %d\n", __func__, type, i, err); + return err; + } + + IWM_DPRINTF(sc, IWM_DEBUG_CMD, + "Sent PHY_DB HCMD, type = %d num = %d\n", type, i); + } + + return 0; +} + +int +iwm_send_phy_db_data(struct iwm_softc *sc) +{ + uint8_t *data = NULL; + uint16_t size = 0; + int err; + + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Sending phy db data and configuration to runtime image\n", + __func__); + + /* Send PHY DB CFG section */ + err = iwm_phy_db_get_section_data(sc, IWM_PHY_DB_CFG, &data, &size, 0); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot get Phy DB cfg section, %d\n", + __func__, err); + return err; + } + + err = iwm_send_phy_db_cmd(sc, IWM_PHY_DB_CFG, size, data); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot send HCMD of Phy DB cfg section, %d\n", + __func__, err); + return err; + } + + err = iwm_phy_db_get_section_data(sc, IWM_PHY_DB_CALIB_NCH, + &data, &size, 0); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot get Phy DB non specific channel section, " + "%d\n", __func__, err); + return err; + } + + err = iwm_send_phy_db_cmd(sc, IWM_PHY_DB_CALIB_NCH, size, data); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot send HCMD of Phy DB non specific channel " + "sect, %d\n", __func__, err); + return err; + } + + /* Send all the TXP channel specific data */ + err = iwm_phy_db_send_all_channel_groups(sc, + IWM_PHY_DB_CALIB_CHG_PAPD, IWM_NUM_PAPD_CH_GROUPS); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot send channel specific PAPD groups, %d\n", + __func__, err); + return err; + } + + /* Send all the TXP channel specific data */ + err = iwm_phy_db_send_all_channel_groups(sc, + IWM_PHY_DB_CALIB_CHG_TXP, IWM_NUM_TXP_CH_GROUPS); + if (err) { + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Cannot send channel specific TX power groups, " + "%d\n", __func__, err); + return err; + } + + IWM_DPRINTF(sc, IWM_DEBUG_CMD | IWM_DEBUG_RESET, + "%s: Finished sending phy db non channel data\n", + __func__); + return 0; +} |