wl12xx: add driver

wl12xx is a driver for TI wl1251 802.11 chipset designed for embedded
devices, supporting both SDIO and SPI busses. Currently the driver
supports only SPI. Adding support 1253 (the 5 GHz version) should be
relatively easy. More information here:

http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?contentId=4711&navigationId=12494&templateId=6123

(Collapsed original sequence of pre-merge patches into single commit for
initial merge. -- JWL)

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
new file mode 100644
index 000000000000..2a573a6010bd
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -0,0 +1,200 @@
+/*
+ * This file is part of wl12xx
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * Contact: Kalle Valo <kalle.valo@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 "init.h"
+#include "wl12xx_80211.h"
+#include "acx.h"
+#include "cmd.h"
+
+int wl12xx_hw_init_hwenc_config(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_feature_cfg(wl);
+        if (ret < 0) {
+                wl12xx_warning("couldn't set feature config");
+                return ret;
+        }
+
+        ret = wl12xx_acx_default_key(wl, wl->default_key);
+        if (ret < 0) {
+                wl12xx_warning("couldn't set default key");
+                return ret;
+        }
+
+        return 0;
+}
+
+int wl12xx_hw_init_templates_config(struct wl12xx *wl)
+{
+        int ret;
+        u8 partial_vbm[PARTIAL_VBM_MAX];
+
+        /* send empty templates for fw memory reservation */
+        ret = wl12xx_cmd_template_set(wl, CMD_PROBE_REQ, NULL,
+                                      sizeof(struct wl12xx_probe_req_template));
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_cmd_template_set(wl, CMD_NULL_DATA, NULL,
+                                      sizeof(struct wl12xx_null_data_template));
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_cmd_template_set(wl, CMD_PS_POLL, NULL,
+                                      sizeof(struct wl12xx_ps_poll_template));
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL,
+                                      sizeof
+                                      (struct wl12xx_qos_null_data_template));
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_cmd_template_set(wl, CMD_PROBE_RESP, NULL,
+                                      sizeof
+                                      (struct wl12xx_probe_resp_template));
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_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 = wl12xx_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_rx_config(struct wl12xx *wl, u32 config, u32 filter)
+{
+        int ret;
+
+        ret = wl12xx_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_rx_config(wl, config, filter);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_phy_config(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_pd_threshold(wl);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_slot(wl, DEFAULT_SLOT_TIME);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_group_address_tbl(wl);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_service_period_timeout(wl);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_rts_threshold(wl, RTS_THRESHOLD_DEF);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_beacon_filter(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_beacon_filter_opt(wl);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_beacon_filter_table(wl);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_pta(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_sg_enable(wl);
+        if (ret < 0)
+                return ret;
+
+        ret = wl12xx_acx_sg_cfg(wl);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_energy_detection(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_cca_threshold(wl);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_beacon_broadcast(struct wl12xx *wl)
+{
+        int ret;
+
+        ret = wl12xx_acx_bcn_dtim_options(wl);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+int wl12xx_hw_init_power_auth(struct wl12xx *wl)
+{
+        return wl12xx_acx_sleep_auth(wl, WL12XX_PSM_CAM);
+}