diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_init.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_init.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c new file mode 100644 index 0000000..490df21 --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl1271_init.c @@ -0,0 +1,397 @@ +/* + * This file is part of wl1271 + * + * Copyright (C) 2009 Nokia Corporation + * + * Contact: Luciano Coelho <luciano.coelho@nokia.com> + * + * 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 "wl1271_init.h" +#include "wl12xx_80211.h" +#include "wl1271_acx.h" +#include "wl1271_cmd.h" +#include "wl1271_reg.h" + +static int wl1271_init_hwenc_config(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_feature_cfg(wl); + if (ret < 0) { + wl1271_warning("couldn't set feature config"); + return ret; + } + + ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key); + if (ret < 0) { + wl1271_warning("couldn't set default key"); + return ret; + } + + return 0; +} + +static int wl1271_init_templates_config(struct wl1271 *wl) +{ + int ret; + + /* send empty templates for fw memory reservation */ + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL, + sizeof(struct wl12xx_probe_req_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL, + sizeof(struct wl12xx_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL, + sizeof(struct wl12xx_ps_poll_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL, + sizeof + (struct wl12xx_qos_null_data_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL, + sizeof + (struct wl12xx_probe_resp_template)); + if (ret < 0) + return ret; + + ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL, + sizeof + (struct wl12xx_beacon_template)); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter) +{ + int ret; + + ret = wl1271_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); + if (ret < 0) + return ret; + + ret = wl1271_acx_rx_config(wl, config, filter); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_phy_config(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_pd_threshold(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME); + if (ret < 0) + return ret; + + ret = wl1271_acx_group_address_tbl(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_service_period_timeout(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_beacon_filter(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_beacon_filter_opt(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_beacon_filter_table(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_pta(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_sg_enable(wl); + if (ret < 0) + return ret; + + ret = wl1271_acx_sg_cfg(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_energy_detection(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_cca_threshold(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_beacon_broadcast(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_acx_bcn_dtim_options(wl); + if (ret < 0) + return ret; + + return 0; +} + +static int wl1271_init_general_parms(struct wl1271 *wl) +{ + struct wl1271_general_parms *gen_parms; + int ret; + + gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL); + if (!gen_parms) + return -ENOMEM; + + gen_parms->id = TEST_CMD_INI_FILE_GENERAL_PARAM; + + gen_parms->ref_clk = REF_CLK_38_4_E; + /* FIXME: magic numbers */ + gen_parms->settling_time = 5; + gen_parms->clk_valid_on_wakeup = 0; + gen_parms->dc2dcmode = 0; + gen_parms->single_dual_band = 0; + gen_parms->tx_bip_fem_autodetect = 1; + gen_parms->tx_bip_fem_manufacturer = 1; + gen_parms->settings = 1; + + ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0); + if (ret < 0) { + wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); + return ret; + } + + kfree(gen_parms); + return 0; +} + +static int wl1271_init_radio_parms(struct wl1271 *wl) +{ + /* + * FIXME: All these magic numbers should be moved to some place where + * they can be configured (separate file?) + */ + + struct wl1271_radio_parms *radio_parms; + int ret; + u8 compensation[] = { 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, 0xfc, 0x00, + 0x08, 0x10, 0xf0, 0xf8, 0x00, 0x0a, 0x14 }; + + u8 tx_rate_limits_normal[] = { 0x1e, 0x1f, 0x22, 0x24, 0x28, 0x29 }; + u8 tx_rate_limits_degraded[] = { 0x1b, 0x1c, 0x1e, 0x20, 0x24, 0x25 }; + + u8 tx_channel_limits_11b[] = { 0x22, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x22, 0x50, + 0x22, 0x50 }; + + u8 tx_channel_limits_ofdm[] = { 0x20, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x50, 0x50, + 0x50, 0x50, 0x20, 0x50, + 0x20, 0x50 }; + + u8 tx_pdv_rate_offsets[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + + u8 tx_ibias[] = { 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x27 }; + + radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL); + if (!radio_parms) + return -ENOMEM; + + radio_parms->id = TEST_CMD_INI_FILE_RADIO_PARAM; + + /* Static radio parameters */ + radio_parms->rx_trace_loss = 10; + radio_parms->tx_trace_loss = 10; + memcpy(radio_parms->rx_rssi_and_proc_compens, compensation, + sizeof(compensation)); + + /* We don't set the 5GHz -- N/A */ + + /* Dynamic radio parameters */ + radio_parms->tx_ref_pd_voltage = cpu_to_le16(0x24e); + radio_parms->tx_ref_power = 0x78; + radio_parms->tx_offset_db = 0x0; + + memcpy(radio_parms->tx_rate_limits_normal, tx_rate_limits_normal, + sizeof(tx_rate_limits_normal)); + memcpy(radio_parms->tx_rate_limits_degraded, tx_rate_limits_degraded, + sizeof(tx_rate_limits_degraded)); + + memcpy(radio_parms->tx_channel_limits_11b, tx_channel_limits_11b, + sizeof(tx_channel_limits_11b)); + memcpy(radio_parms->tx_channel_limits_ofdm, tx_channel_limits_ofdm, + sizeof(tx_channel_limits_ofdm)); + memcpy(radio_parms->tx_pdv_rate_offsets, tx_pdv_rate_offsets, + sizeof(tx_pdv_rate_offsets)); + memcpy(radio_parms->tx_ibias, tx_ibias, + sizeof(tx_ibias)); + + radio_parms->rx_fem_insertion_loss = 0x14; + + ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0); + if (ret < 0) + wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed"); + + kfree(radio_parms); + return ret; +} + +int wl1271_hw_init(struct wl1271 *wl) +{ + int ret; + + ret = wl1271_init_general_parms(wl); + if (ret < 0) + return ret; + + ret = wl1271_init_radio_parms(wl); + if (ret < 0) + return ret; + + /* Template settings */ + ret = wl1271_init_templates_config(wl); + if (ret < 0) + return ret; + + /* Default memory configuration */ + ret = wl1271_acx_init_mem_config(wl); + if (ret < 0) + return ret; + + /* RX config */ + ret = wl1271_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_memmap; + + /* PHY layer config */ + ret = wl1271_init_phy_config(wl); + if (ret < 0) + goto out_free_memmap; + + /* Beacon filtering */ + ret = wl1271_init_beacon_filter(wl); + if (ret < 0) + goto out_free_memmap; + + /* Configure TX patch complete interrupt behavior */ + ret = wl1271_acx_tx_config_options(wl); + if (ret < 0) + goto out_free_memmap; + + /* RX complete interrupt pacing */ + ret = wl1271_acx_init_rx_interrupt(wl); + if (ret < 0) + goto out_free_memmap; + + /* Bluetooth WLAN coexistence */ + ret = wl1271_init_pta(wl); + if (ret < 0) + goto out_free_memmap; + + /* Energy detection */ + ret = wl1271_init_energy_detection(wl); + if (ret < 0) + goto out_free_memmap; + + /* Beacons and boradcast settings */ + ret = wl1271_init_beacon_broadcast(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default fragmentation threshold */ + ret = wl1271_acx_frag_threshold(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default TID configuration */ + ret = wl1271_acx_tid_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Default AC configuration */ + ret = wl1271_acx_ac_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Configure TX rate classes */ + ret = wl1271_acx_rate_policies(wl); + if (ret < 0) + goto out_free_memmap; + + /* Enable data path */ + ret = wl1271_cmd_data_path(wl, wl->channel, 1); + if (ret < 0) + goto out_free_memmap; + + /* Configure for ELP power saving */ + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); + if (ret < 0) + goto out_free_memmap; + + /* Configure HW encryption */ + ret = wl1271_init_hwenc_config(wl); + if (ret < 0) + goto out_free_memmap; + + return 0; + + out_free_memmap: + kfree(wl->target_mem_map); + + return ret; +} |
