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 000000000000..89b43d35473c
--- /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;
+}