/*
* Intel Wireless Multicomm 3200 WiFi driver
*
* Copyright (C) 2009 Intel Corporation. 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 of 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.
*
*
* Intel Corporation <ilw@linux.intel.com>
* Samuel Ortiz <samuel.ortiz@intel.com>
* Zhu Yi <yi.zhu@intel.com>
*
*/
#include <linux/kernel.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <linux/ieee80211.h>
#include "iwm.h"
#include "bus.h"
#include "hal.h"
#include "umac.h"
#include "commands.h"
#include "debug.h"
static int iwm_send_lmac_ptrough_cmd(struct iwm_priv *iwm,
u8 lmac_cmd_id,
const void *lmac_payload,
u16 lmac_payload_size,
u8 resp)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_LMAC_INIT;
struct iwm_umac_cmd umac_cmd;
struct iwm_lmac_cmd lmac_cmd;
lmac_cmd.id = lmac_cmd_id;
umac_cmd.id = UMAC_CMD_OPCODE_WIFI_PASS_THROUGH;
umac_cmd.resp = resp;
return iwm_hal_send_host_cmd(iwm, &udma_cmd, &umac_cmd, &lmac_cmd,
lmac_payload, lmac_payload_size);
}
int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
bool resp)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
struct iwm_umac_cmd umac_cmd;
umac_cmd.id = UMAC_CMD_OPCODE_WIFI_IF_WRAPPER;
umac_cmd.resp = resp;
return iwm_hal_send_umac_cmd(iwm, &udma_cmd, &umac_cmd,
payload, payload_size);
}
static struct coex_event iwm_sta_xor_prio_tbl[COEX_EVENTS_NUM] =
{
{4, 3, 0, COEX_UNASSOC_IDLE_FLAGS},
{4, 3, 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
{4, 3, 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
{4, 3, 0, COEX_CALIBRATION_FLAGS},
{4, 3, 0, COEX_PERIODIC_CALIBRATION_FLAGS},
{4, 3, 0, COEX_CONNECTION_ESTAB_FLAGS},
{4, 3, 0, COEX_ASSOCIATED_IDLE_FLAGS},
{4, 3, 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
{4, 3, 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
{4, 3, 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
{6, 3, 0, COEX_XOR_RF_ON_FLAGS},
{4, 3, 0, COEX_RF_OFF_FLAGS},
{6, 6, 0, COEX_STAND_ALONE_DEBUG_FLAGS},
{4, 3, 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
{4, 3, 0, COEX_RSRVD1_FLAGS},
{4, 3, 0, COEX_RSRVD2_FLAGS}
};
static struct coex_event iwm_sta_cm_prio_tbl[COEX_EVENTS_NUM] =
{
{1, 1, 0, COEX_UNASSOC_IDLE_FLAGS},
{4, 3, 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
{3, 3, 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
{5, 5, 0, COEX_CALIBRATION_FLAGS},
{4, 4, 0, COEX_PERIODIC_CALIBRATION_FLAGS},
{5, 4, 0, COEX_CONNECTION_ESTAB_FLAGS},
{4, 4, 0, COEX_ASSOCIATED_IDLE_FLAGS},
{4, 4, 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
{4, 4, 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
{4, 4, 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
{1, 1, 0, COEX_RF_ON_FLAGS},
{1, 1, 0, COEX_RF_OFF_FLAGS},
{6, 6, 0, COEX_STAND_ALONE_DEBUG_FLAGS},
{5, 4, 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
{1, 1, 0, COEX_RSRVD1_FLAGS},
{1, 1, 0, COEX_RSRVD2_FLAGS}
};
int iwm_send_prio_table(struct iwm_priv *iwm)
{
struct iwm_coex_prio_table_cmd coex_table_cmd;
u32 coex_enabled, mode_enabled;
memset(&coex_table_cmd, 0, sizeof(struct iwm_coex_prio_table_cmd));
coex_table_cmd.flags = COEX_FLAGS_STA_TABLE_VALID_MSK;
switch (iwm->conf.coexist_mode) {
case COEX_MODE_XOR:
case COEX_MODE_CM:
coex_enabled = 1;
break;
default:
coex_enabled = 0;
break;
}
switch (iwm->conf.mode) {
case UMAC_MODE_BSS:
case UMAC_MODE_IBSS:
mode_enabled = 1;
break;
default:
mode_enabled = 0;
break;
}
if (coex_enabled && mode_enabled) {
coex_table_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK |
COEX_FLAGS_ASSOC_WAKEUP_UMASK_MSK |
COEX_FLAGS_UNASSOC_WAKEUP_UMASK_MSK;
switch (iwm->conf.coexist_mode) {
case COEX_MODE_XOR:
memcpy(coex_table_cmd.sta_prio, iwm_sta_xor_prio_tbl,
sizeof(iwm_sta_xor_prio_tbl));
break;
case COEX_MODE_CM:
memcpy(coex_table_cmd.sta_prio, iwm_sta_cm_prio_tbl,
sizeof(iwm_sta_cm_prio_tbl));
break;
default:
IWM_ERR(iwm, "Invalid coex_mode 0x%x\n",
iwm->conf.coexist_mode);
break;
}
} else
IWM_WARN(iwm, "coexistense disabled\n");
return iwm_send_lmac_ptrough_cmd(iwm, COEX_PRIORITY_TABLE_CMD,
&coex_table_cmd,
sizeof(struct iwm_coex_prio_table_cmd), 1);
}
int iwm_send_init_calib_cfg(struct iwm_priv *iwm, u8 calib_requested)
{
struct iwm_lmac_cal_cfg_cmd cal_cfg_cmd;
memset(&cal_cfg_cmd, 0, sizeof(struct iwm_lmac_cal_cfg_cmd));
cal_cfg_cmd.ucode_cfg.init.enable = cpu_to_le32(calib_requested);
cal_cfg_cmd.ucode_cfg.init.start = cpu_to_le32(calib_requested);
cal_cfg_cmd.ucode_cfg.init.send_res = cpu_to_le32(calib_requested);
cal_cfg_cmd.ucode_cfg.flags =
cpu_to_le32(CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_AFTER_MSK);
return iwm_send_lmac_ptrough_cmd(iwm, CALIBRATION_CFG_CMD, &cal_cfg_cmd,
sizeof(struct iwm_lmac_cal_cfg_cmd), 1);
}
int iwm_send_periodic_calib_cfg(struct iwm_priv *iwm, u8 calib_requested)
{
struct iwm_lmac_cal_cfg_cmd cal_cfg_cmd;
memset(&cal_cfg_cmd, 0, sizeof(struct iwm_lmac_cal_cfg_cmd));
cal_cfg_cmd.ucode_cfg.periodic.enable = cpu_to_le32(calib_requested);
cal_cfg_cmd.ucode_cfg.periodic.start = cpu_to_le32(calib_requested);
return iwm_send_lmac_ptrough_cmd(iwm, CALIBRATION_CFG_CMD, &cal_cfg_cmd,
sizeof(struct iwm_lmac_cal_cfg_cmd), 0);
}
int iwm_store_rxiq_calib_result(struct iwm_priv *iwm)
{
struct iwm_calib_rxiq *rxiq;
u8 *eeprom_rxiq = iwm_eeprom_access(iwm, IWM_EEPROM_CALIB_RXIQ);
int grplen = sizeof(struct iwm_calib_rxiq_group);
rxiq = kzalloc(sizeof(struct iwm_calib_rxiq), GFP_KERNEL);
if (!rxiq) {
IWM_ERR(iwm, "Couldn't alloc memory for RX IQ\n");
return -ENOMEM;
}
eeprom_rxiq = iwm_eeprom_access(iwm, IWM_EEPROM_CALIB_RXIQ);
if (IS_ERR(eeprom_rxiq)) {
IWM_ERR(iwm, "Couldn't access EEPROM RX IQ entry\n");
return PTR_ERR(eeprom_rxiq);
}
iwm->calib_res[SHILOH_PHY_CALIBRATE_RX_IQ_CMD].buf = (u8 *)rxiq;
iwm->calib_res[SHILOH_PHY_CALIBRATE_RX_IQ_CMD].size = sizeof(*rxiq);
rxiq->hdr.opcode = SHILOH_PHY_CALIBRATE_RX_IQ_CMD;
rxiq->hdr.first_grp = 0;
rxiq->hdr.grp_num = 1;
rxiq->hdr.all_data_valid = 1;
memcpy(&rxiq->group[0], eeprom_rxiq, 4 * grplen);
memcpy(&rxiq->group[4], eeprom_rxiq + 6 * grplen, grplen);
return 0;
}
int iwm_send_calib_results(struct iwm_priv *iwm)
{
int i, ret = 0;
for (i = PHY_CALIBRATE_OPCODES_NUM; i < CALIBRATION_CMD_NUM; i++) {
if (test_bit(i - PHY_CALIBRATE_OPCODES_NUM,
&iwm->calib_done_map)) {
IWM_DBG_CMD(iwm, DBG,
"Send calibration %d result\n", i);
ret |= iwm_send_lmac_ptrough_cmd(iwm,
REPLY_PHY_CALIBRATION_CMD,
iwm->calib_res[i].buf,
iwm->calib_res[i].size, 0);
kfree(iwm->calib_res[i].buf);
iwm->calib_res[i].buf = NULL;
iwm->calib_res[i].size = 0;
}
}
return ret;
}
int iwm_send_umac_reset(struct iwm_priv *iwm, __le32 reset_flags, bool resp)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
struct iwm_umac_cmd umac_cmd;
struct iwm_umac_cmd_reset reset;
reset.flags = reset_flags;
umac_cmd.id = UMAC_CMD_OPCODE_RESET;
umac_cmd.resp = resp;
return iwm_hal_send_umac_cmd(iwm, &udma_cmd, &umac_cmd, &reset,
sizeof(struct iwm_umac_cmd_reset));
}
int iwm_umac_set_config_fix(struct iwm_priv *iwm, u16 tbl, u16 key, u32 value)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
struct iwm_umac_cmd umac_cmd;
struct iwm_umac_cmd_set_param_fix param;
if ((tbl != UMAC_PARAM_TBL_CFG_FIX) &&
(tbl != UMAC_PARAM_TBL_FA_CFG_FIX))
return -EINVAL;
umac_cmd.id = UMAC_CMD_OPCODE_SET_PARAM_FIX;
umac_cmd.resp = 0;
param.tbl = cpu_to_le16(tbl);
param.key = cpu_to_le16(key);
param.value = cpu_to_le32(value);
return iwm_hal_send_umac_cmd(iwm, &udma_cmd, &umac_cmd, ¶m,
sizeof(struct iwm_umac_cmd_set_param_fix));
}
int iwm_umac_set_config_var(struct iwm_priv *iwm, u16 key,
void *payload, u16 payload_size)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;
struct iwm_umac_cmd umac_cmd;
struct iwm_umac_cmd_set_param_var *param_hdr;
u8 *param;
int ret;
param = kzalloc(payload_size +
sizeof(struct iwm_umac_cmd_set_param_var), GFP_KERNEL);
if (!param) {
IWM_ERR(iwm, "Couldn't allocate param\n");
return -ENOMEM;
}
param_hdr = (struct iwm_umac_cmd_set_param_var *)param;
umac_cmd.id = UMAC_CMD_OPCODE_SET_PARAM_VAR;
umac_cmd.resp = 0;
param_hdr->tbl = cpu_to_le16(UMAC_PARAM_TBL_CFG_VAR);
param_hdr->key = cpu_to_le16(key);
param_hdr->len = cpu_to_le16(payload_size);
memcpy(param + sizeof(struct iwm_umac_cmd_set_param_var),
payload, payload_size);
ret = iwm_hal_send_umac_cmd(iwm, &udma_cmd, &umac_cmd, param,
sizeof(struct iwm_umac_cmd_set_param_var) +
payload_size);
kfree(param);
return ret;
}
int iwm_send_umac_config(struct iwm_priv *iwm,
__le32 reset_flags)
{
int ret;
/* Use UMAC default values */
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_POWER_INDEX, iwm->conf.power_index);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_FA_CFG_FIX,
CFG_FRAG_THRESHOLD,
iwm->conf.frag_threshold);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_RTS_THRESHOLD,
iwm->conf.rts_threshold);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_CTS_TO_SELF, iwm->conf.cts_to_self);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_COEX_MODE, iwm->conf.coexist_mode);
if (ret < 0)
return ret;
/*
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_ASSOCIATION_TIMEOUT,
iwm->conf.assoc_timeout);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_ROAM_TIMEOUT,
iwm->conf.roam_timeout);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_WIRELESS_MODE,
WIRELESS_MODE_11A | WIRELESS_MODE_11G);
if (ret < 0)
return ret;
*/
ret = iwm_umac_set_config_var(iwm, CFG_NET_ADDR,
iwm_to_ndev(iwm)->dev_addr, ETH_ALEN);
if (ret < 0)
return ret;
/* UMAC PM static configurations */
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_PM_LEGACY_RX_TIMEOUT, 0x12C);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_PM_LEGACY_TX_TIMEOUT, 0x15E);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_PM_CTRL_FLAGS, 0x30001);
if (ret < 0)
return ret;
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_PM_KEEP_ALIVE_IN_BEACONS, 0x80);
if (ret < 0)
return ret;
/* reset UMAC */
ret = iwm_send_umac_reset(iwm, reset_flags, 1);
if (ret < 0)
return ret;
ret = iwm_notif_handle(iwm, UMAC_CMD_OPCODE_RESET, IWM_SRC_UMAC,
WAIT_NOTIF_TIMEOUT);
if (ret) {
IWM_ERR(iwm, "Wait for UMAC RESET timeout\n");
return ret;
}
return ret;
}
int iwm_send_packet(struct iwm_priv *iwm, struct sk_buff *skb, int pool_id)
{
struct iwm_udma_wifi_cmd udma_cmd;
