diff options
Diffstat (limited to 'drivers/net/wireless/wl1251/init.c')
| -rw-r--r-- | drivers/net/wireless/wl1251/init.c | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl1251/init.c b/drivers/net/wireless/wl1251/init.c new file mode 100644 index 00000000000..89b43d35473 --- /dev/null +++ b/drivers/net/wireless/wl1251/init.c @@ -0,0 +1,423 @@ +/* + * This file is part of wl1251 + * + * Copyright (C) 2009 Nokia Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> + +#include "init.h" +#include "wl12xx_80211.h" +#include "acx.h" +#include "cmd.h" +#include "reg.h" + +int wl1251_hw_init_hwenc_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_feature_cfg(wl); + if (ret < 0) { + wl1251_warning("couldn't set feature config"); + return ret; + } + + ret = wl1251_acx_default_key(wl, wl->default_key); + if (ret < 0) { + wl1251_warning("couldn't set default key"); + return ret; + } + + return 0; +} + +int wl1251_hw_init_templates_config(struct wl1251 *wl) +{ + int ret; + u8 partial_vbm[PARTIAL_VBM_MAX]; + + /* send empty templates for fw memory reservation */ + ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL, + sizeof(struct wl12xx_probe_req_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL, + sizeof(struct wl12xx_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL, + sizeof(struct wl12xx_ps_poll_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL, + sizeof + (struct wl12xx_qos_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL, + sizeof + (struct wl12xx_probe_resp_template)); + if (ret < 0) + return ret; + + ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL, + sizeof + (struct wl12xx_beacon_template)); + if (ret < 0) + return ret; + + /* tim templates, first reserve space then allocate an empty one */ + memset(partial_vbm, 0, PARTIAL_VBM_MAX); + ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0); + if (ret < 0) + return ret; + + ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter) +{ + int ret; + + ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); + if (ret < 0) + return ret; + + ret = wl1251_acx_rx_config(wl, config, filter); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_phy_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_pd_threshold(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_slot(wl, DEFAULT_SLOT_TIME); + if (ret < 0) + return ret; + + ret = wl1251_acx_group_address_tbl(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_service_period_timeout(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_beacon_filter(struct wl1251 *wl) +{ + int ret; + + /* disable beacon filtering at this stage */ + ret = wl1251_acx_beacon_filter_opt(wl, false); + if (ret < 0) + return ret; + + ret = wl1251_acx_beacon_filter_table(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_pta(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_sg_enable(wl); + if (ret < 0) + return ret; + + ret = wl1251_acx_sg_cfg(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_energy_detection(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_cca_threshold(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_bcn_dtim_options(wl); + if (ret < 0) + return ret; + + return 0; +} + +int wl1251_hw_init_power_auth(struct wl1251 *wl) +{ + return wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM); +} + +int wl1251_hw_init_mem_config(struct wl1251 *wl) +{ + int ret; + + ret = wl1251_acx_mem_cfg(wl); + if (ret < 0) + return ret; + + wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map), + GFP_KERNEL); + if (!wl->target_mem_map) { + wl1251_error("couldn't allocate target memory map"); + return -ENOMEM; + } + + /* we now ask for the firmware built memory map */ + ret = wl1251_acx_mem_map(wl, wl->target_mem_map, + sizeof(struct wl1251_acx_mem_map)); + if (ret < 0) { + wl1251_error("couldn't retrieve firmware memory map"); + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + return ret; + } + + return 0; +} + +static int wl1251_hw_init_txq_fill(u8 qid, + struct acx_tx_queue_qos_config *config, + u32 num_blocks) +{ + config->qid = qid; + + switch (qid) { + case QOS_AC_BE: + config->high_threshold = + (QOS_TX_HIGH_BE_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_BE_DEF * num_blocks) / 100; + break; + case QOS_AC_BK: + config->high_threshold = + (QOS_TX_HIGH_BK_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_BK_DEF * num_blocks) / 100; + break; + case QOS_AC_VI: + config->high_threshold = + (QOS_TX_HIGH_VI_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_VI_DEF * num_blocks) / 100; + break; + case QOS_AC_VO: + config->high_threshold = + (QOS_TX_HIGH_VO_DEF * num_blocks) / 100; + config->low_threshold = + (QOS_TX_LOW_VO_DEF * num_blocks) / 100; + break; + default: + wl1251_error("Invalid TX queue id: %d", qid); + return -EINVAL; + } + + return 0; +} + +static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl) +{ + struct acx_tx_queue_qos_config *config; + struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map; + int ret, i; + + wl1251_debug(DEBUG_ACX, "acx tx queue config"); + + config = kzalloc(sizeof(*config), GFP_KERNEL); + if (!config) { + ret = -ENOMEM; + goto out; + } + + for (i = 0; i < MAX_NUM_OF_AC; i++) { + ret = wl1251_hw_init_txq_fill(i, config, + wl_mem_map->num_tx_mem_blocks); + if (ret < 0) + goto out; + + ret = wl1251_cmd_configure(wl, ACX_TX_QUEUE_CFG, + config, sizeof(*config)); + if (ret < 0) + goto out; + } + + wl1251_acx_ac_cfg(wl, AC_BE, CWMIN_BE, CWMAX_BE, AIFS_DIFS, TXOP_BE); + wl1251_acx_ac_cfg(wl, AC_BK, CWMIN_BK, CWMAX_BK, AIFS_DIFS, TXOP_BK); + wl1251_acx_ac_cfg(wl, AC_VI, CWMIN_VI, CWMAX_VI, AIFS_DIFS, TXOP_VI); + wl1251_acx_ac_cfg(wl, AC_VO, CWMIN_VO, CWMAX_VO, AIFS_DIFS, TXOP_VO); + +out: + kfree(config); + return ret; +} + +static int wl1251_hw_init_data_path_config(struct wl1251 *wl) +{ + int ret; + + /* asking for the data path parameters */ + wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp), + GFP_KERNEL); + if (!wl->data_path) { + wl1251_error("Couldnt allocate data path parameters"); + return -ENOMEM; + } + + ret = wl1251_acx_data_path_params(wl, wl->data_path); + if (ret < 0) { + kfree(wl->data_path); + wl->data_path = NULL; + return ret; + } + + return 0; +} + + +int wl1251_hw_init(struct wl1251 *wl) +{ + struct wl1251_acx_mem_map *wl_mem_map; + int ret; + + ret = wl1251_hw_init_hwenc_config(wl); + if (ret < 0) + return ret; + + /* Template settings */ + ret = wl1251_hw_init_templates_config(wl); + if (ret < 0) + return ret; + + /* Default memory configuration */ + ret = wl1251_hw_init_mem_config(wl); + if (ret < 0) + return ret; + + /* Default data path configuration */ + ret = wl1251_hw_init_data_path_config(wl); + if (ret < 0) + goto out_free_memmap; + + /* RX config */ + ret = wl1251_hw_init_rx_config(wl, + RX_CFG_PROMISCUOUS | RX_CFG_TSF, + RX_FILTER_OPTION_DEF); + /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, + RX_FILTER_OPTION_FILTER_ALL); */ + if (ret < 0) + goto out_free_data_path; + + /* TX queues config */ + ret = wl1251_hw_init_tx_queue_config(wl); + if (ret < 0) + goto out_free_data_path; + + /* PHY layer config */ + ret = wl1251_hw_init_phy_config(wl); + if (ret < 0) + goto out_free_data_path; + + /* Initialize connection monitoring thresholds */ + ret = wl1251_acx_conn_monit_params(wl); + if (ret < 0) + goto out_free_data_path; + + /* Beacon filtering */ + ret = wl1251_hw_init_beacon_filter(wl); + if (ret < 0) + goto out_free_data_path; + + /* Bluetooth WLAN coexistence */ + ret = wl1251_hw_init_pta(wl); + if (ret < 0) + goto out_free_data_path; + + /* Energy detection */ + ret = wl1251_hw_init_energy_detection(wl); + if (ret < 0) + goto out_free_data_path; + + /* Beacons and boradcast settings */ + ret = wl1251_hw_init_beacon_broadcast(wl); + if (ret < 0) + goto out_free_data_path; + + /* Enable data path */ + ret = wl1251_cmd_data_path(wl, wl->channel, 1); + if (ret < 0) + goto out_free_data_path; + + /* Default power state */ + ret = wl1251_hw_init_power_auth(wl); + if (ret < 0) + goto out_free_data_path; + + wl_mem_map = wl->target_mem_map; + wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x", + wl_mem_map->num_tx_mem_blocks, + wl->data_path->tx_control_addr, + wl_mem_map->num_rx_mem_blocks, + wl->data_path->rx_control_addr); + + return 0; + + out_free_data_path: + kfree(wl->data_path); + + out_free_memmap: + kfree(wl->target_mem_map); + + return ret; +} |