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path: root/drivers/net/wireless/libertas/fw.c
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Diffstat (limited to 'drivers/net/wireless/libertas/fw.c')
-rw-r--r--drivers/net/wireless/libertas/fw.c349
1 files changed, 0 insertions, 349 deletions
diff --git a/drivers/net/wireless/libertas/fw.c b/drivers/net/wireless/libertas/fw.c
deleted file mode 100644
index 2dc84ff7a54..00000000000
--- a/drivers/net/wireless/libertas/fw.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/**
- * This file contains the initialization for FW and HW
- */
-#include <linux/firmware.h>
-
-#include "host.h"
-#include "defs.h"
-#include "decl.h"
-#include "dev.h"
-#include "wext.h"
-#include "if_usb.h"
-
-/**
- * @brief This function checks the validity of Boot2/FW image.
- *
- * @param data pointer to image
- * len image length
- * @return 0 or -1
- */
-static int check_fwfile_format(u8 *data, u32 totlen)
-{
- u32 bincmd, exit;
- u32 blksize, offset, len;
- int ret;
-
- ret = 1;
- exit = len = 0;
-
- do {
- struct fwheader *fwh = (void *)data;
-
- bincmd = le32_to_cpu(fwh->dnldcmd);
- blksize = le32_to_cpu(fwh->datalength);
- switch (bincmd) {
- case FW_HAS_DATA_TO_RECV:
- offset = sizeof(struct fwheader) + blksize;
- data += offset;
- len += offset;
- if (len >= totlen)
- exit = 1;
- break;
- case FW_HAS_LAST_BLOCK:
- exit = 1;
- ret = 0;
- break;
- default:
- exit = 1;
- break;
- }
- } while (!exit);
-
- if (ret)
- lbs_pr_err("firmware file format check FAIL\n");
- else
- lbs_deb_fw("firmware file format check PASS\n");
-
- return ret;
-}
-
-/**
- * @brief This function downloads firmware image, gets
- * HW spec from firmware and set basic parameters to
- * firmware.
- *
- * @param priv A pointer to wlan_private structure
- * @return 0 or -1
- */
-static int wlan_setup_station_hw(wlan_private * priv, char *fw_name)
-{
- int ret = -1;
- wlan_adapter *adapter = priv->adapter;
-
- lbs_deb_enter(LBS_DEB_FW);
-
- if ((ret = request_firmware(&priv->firmware, fw_name,
- priv->hotplug_device)) < 0) {
- lbs_pr_err("request_firmware() failed with %#x\n", ret);
- lbs_pr_err("firmware %s not found\n", fw_name);
- goto done;
- }
-
- if (check_fwfile_format(priv->firmware->data, priv->firmware->size)) {
- release_firmware(priv->firmware);
- goto done;
- }
-
- ret = priv->hw_prog_firmware(priv);
-
- release_firmware(priv->firmware);
-
- if (ret) {
- lbs_deb_fw("bootloader in invalid state\n");
- ret = -1;
- goto done;
- }
-
- /*
- * Read MAC address from HW
- */
- memset(adapter->current_addr, 0xff, ETH_ALEN);
-
- ret = libertas_prepare_and_send_command(priv, cmd_get_hw_spec,
- 0, cmd_option_waitforrsp, 0, NULL);
-
- if (ret) {
- ret = -1;
- goto done;
- }
-
- libertas_set_mac_packet_filter(priv);
-
- /* Get the supported Data rates */
- ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate,
- cmd_act_get_tx_rate,
- cmd_option_waitforrsp, 0, NULL);
-
- if (ret) {
- ret = -1;
- goto done;
- }
-
- ret = 0;
-done:
- lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
- return ret;
-}
-
-static int wlan_allocate_adapter(wlan_private * priv)
-{
- size_t bufsize;
- wlan_adapter *adapter = priv->adapter;
-
- /* Allocate buffer to store the BSSID list */
- bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
- adapter->networks = kzalloc(bufsize, GFP_KERNEL);
- if (!adapter->networks) {
- lbs_pr_err("Out of memory allocating beacons\n");
- libertas_free_adapter(priv);
- return -ENOMEM;
- }
-
- /* Allocate the command buffers */
- libertas_allocate_cmd_buffer(priv);
-
- memset(&adapter->libertas_ps_confirm_sleep, 0, sizeof(struct PS_CMD_ConfirmSleep));
- adapter->libertas_ps_confirm_sleep.seqnum = cpu_to_le16(++adapter->seqnum);
- adapter->libertas_ps_confirm_sleep.command =
- cpu_to_le16(cmd_802_11_ps_mode);
- adapter->libertas_ps_confirm_sleep.size =
- cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep));
- adapter->libertas_ps_confirm_sleep.result = 0;
- adapter->libertas_ps_confirm_sleep.action =
- cpu_to_le16(cmd_subcmd_sleep_confirmed);
-
- return 0;
-}
-
-static void wlan_init_adapter(wlan_private * priv)
-{
- wlan_adapter *adapter = priv->adapter;
- int i;
-
- adapter->scanprobes = 0;
-
- adapter->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR;
- adapter->data_avg_factor = DEFAULT_DATA_AVG_FACTOR;
-
- /* ATIM params */
- adapter->atimwindow = 0;
-
- adapter->connect_status = libertas_disconnected;
- memset(adapter->current_addr, 0xff, ETH_ALEN);
-
- /* scan type */
- adapter->scantype = cmd_scan_type_active;
-
- /* scan mode */
- adapter->scanmode = cmd_bss_type_any;
-
- /* 802.11 specific */
- adapter->secinfo.wep_enabled = 0;
- for (i = 0; i < sizeof(adapter->wep_keys) / sizeof(adapter->wep_keys[0]);
- i++)
- memset(&adapter->wep_keys[i], 0, sizeof(struct WLAN_802_11_KEY));
- adapter->wep_tx_keyidx = 0;
- adapter->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
- adapter->mode = IW_MODE_INFRA;
-
- adapter->pending_assoc_req = NULL;
- adapter->in_progress_assoc_req = NULL;
-
- /* Initialize scan result lists */
- INIT_LIST_HEAD(&adapter->network_free_list);
- INIT_LIST_HEAD(&adapter->network_list);
- for (i = 0; i < MAX_NETWORK_COUNT; i++) {
- list_add_tail(&adapter->networks[i].list,
- &adapter->network_free_list);
- }
-
- mutex_init(&adapter->lock);
-
- adapter->prescan = 1;
-
- memset(&adapter->curbssparams, 0, sizeof(adapter->curbssparams));
- adapter->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
-
- /* PnP and power profile */
- adapter->surpriseremoved = 0;
-
- adapter->currentpacketfilter =
- cmd_act_mac_rx_on | cmd_act_mac_tx_on;
-
- adapter->radioon = RADIO_ON;
- adapter->txantenna = RF_ANTENNA_2;
- adapter->rxantenna = RF_ANTENNA_AUTO;
-
- adapter->is_datarate_auto = 1;
- adapter->beaconperiod = MRVDRV_BEACON_INTERVAL;
-
- // set default value of capinfo.
-#define SHORT_PREAMBLE_ALLOWED 1
- memset(&adapter->capinfo, 0, sizeof(adapter->capinfo));
- adapter->capinfo.shortpreamble = SHORT_PREAMBLE_ALLOWED;
-
- adapter->psmode = wlan802_11powermodecam;
- adapter->multipledtim = MRVDRV_DEFAULT_MULTIPLE_DTIM;
-
- adapter->listeninterval = MRVDRV_DEFAULT_LISTEN_INTERVAL;
-
- adapter->psstate = PS_STATE_FULL_POWER;
- adapter->needtowakeup = 0;
- adapter->locallisteninterval = 0; /* default value in firmware will be used */
-
- adapter->datarate = 0; // Initially indicate the rate as auto
-
- adapter->adhoc_grate_enabled = 0;
-
- adapter->intcounter = 0;
-
- adapter->currenttxskb = NULL;
- adapter->pkttxctrl = 0;
-
- memset(&adapter->tx_queue_ps, 0, NR_TX_QUEUE*sizeof(struct sk_buff*));
- adapter->tx_queue_idx = 0;
- spin_lock_init(&adapter->txqueue_lock);
-
- return;
-}
-
-static void command_timer_fn(unsigned long data);
-
-int libertas_init_fw(wlan_private * priv, char *fw_name)
-{
- int ret = -1;
- wlan_adapter *adapter = priv->adapter;
-
- lbs_deb_enter(LBS_DEB_FW);
-
- /* Allocate adapter structure */
- if ((ret = wlan_allocate_adapter(priv)) != 0)
- goto done;
-
- /* init adapter structure */
- wlan_init_adapter(priv);
-
- /* init timer etc. */
- setup_timer(&adapter->command_timer, command_timer_fn,
- (unsigned long)priv);
-
- /* download fimrware etc. */
- if ((ret = wlan_setup_station_hw(priv, fw_name)) != 0) {
- del_timer_sync(&adapter->command_timer);
- goto done;
- }
-
- /* init 802.11d */
- libertas_init_11d(priv);
-
- ret = 0;
-done:
- lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
- return ret;
-}
-
-void libertas_free_adapter(wlan_private * priv)
-{
- wlan_adapter *adapter = priv->adapter;
-
- if (!adapter) {
- lbs_deb_fw("why double free adapter?\n");
- return;
- }
-
- lbs_deb_fw("free command buffer\n");
- libertas_free_cmd_buffer(priv);
-
- lbs_deb_fw("free command_timer\n");
- del_timer(&adapter->command_timer);
-
- lbs_deb_fw("free scan results table\n");
- kfree(adapter->networks);
- adapter->networks = NULL;
-
- /* Free the adapter object itself */
- lbs_deb_fw("free adapter\n");
- kfree(adapter);
- priv->adapter = NULL;
-}
-
-/**
- * This function handles the timeout of command sending.
- * It will re-send the same command again.
- */
-static void command_timer_fn(unsigned long data)
-{
- wlan_private *priv = (wlan_private *)data;
- wlan_adapter *adapter = priv->adapter;
- struct cmd_ctrl_node *ptempnode;
- struct cmd_ds_command *cmd;
- unsigned long flags;
-
- ptempnode = adapter->cur_cmd;
- if (ptempnode == NULL) {
- lbs_deb_fw("ptempnode empty\n");
- return;
- }
-
- cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr;
- if (!cmd) {
- lbs_deb_fw("cmd is NULL\n");
- return;
- }
-
- lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command);
-
- if (!adapter->fw_ready)
- return;
-
- spin_lock_irqsave(&adapter->driver_lock, flags);
- adapter->cur_cmd = NULL;
- spin_unlock_irqrestore(&adapter->driver_lock, flags);
-
- lbs_deb_fw("re-sending same command because of timeout\n");
- libertas_queue_cmd(adapter, ptempnode, 0);
-
- wake_up_interruptible(&priv->mainthread.waitq);
-
- return;
-}