int wl1271_plt_stop(struct wl1271 *wl)
{
int ret = 0;
mutex_lock(&wl->mutex);
wl1271_notice("power down");
if (wl->state != WL1271_STATE_PLT) {
wl1271_error("cannot power down because not in PLT "
"state: %d", wl->state);
ret = -EBUSY;
goto out;
}
wl1271_disable_interrupts(wl);
wl1271_power_off(wl);
wl->state = WL1271_STATE_OFF;
out:
mutex_unlock(&wl->mutex);
return ret;
}
static void wl1271_op_stop(struct ieee80211_hw *hw)
{
struct wl1271 *wl = hw->priv;
int i;
wl1271_info("down");
wl1271_debug(DEBUG_MAC80211, "mac80211 stop");
mutex_lock(&wl->mutex);
WARN_ON(wl->state != WL1271_STATE_ON);
if (wl->scanning) {
mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, true);
mutex_lock(&wl->mutex);
wl->scanning = false;
}
wl->state = WL1271_STATE_OFF;
wl1271_disable_interrupts(wl);
mutex_unlock(&wl->mutex);
cancel_work_sync(&wl->irq_work);
cancel_work_sync(&wl->tx_work);
cancel_work_sync(&wl->filter_work);
mutex_lock(&wl->mutex);
wl1271_tx_flush(wl);
wl1271_power_off(wl);
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1);
wl->ssid_len = 0;
wl->listen_int = 1;
wl->bss_type = MAX_BSS_TYPE;
wl->rx_counter = 0;
wl->elp = false;
wl->psm = 0;
wl->tx_queue_stopped = false;
wl->power_level = WL1271_DEFAULT_POWER_LEVEL;
wl->tx_blocks_available = 0;
wl->tx_results_count = 0;
wl->tx_packets_count = 0;
wl->time_offset = 0;
wl->session_counter = 0;
for (i = 0; i < NUM_TX_QUEUES; i++)
wl->tx_blocks_freed[i] = 0;
wl1271_debugfs_reset(wl);
mutex_unlock(&wl->mutex);
}
static int wl1271_boot_enable_interrupts(struct wl1271 *wl)
{
int ret;
wl1271_enable_interrupts(wl);
ret = wl1271_write32(wl, ACX_REG_INTERRUPT_MASK,
WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
if (ret < 0)
goto disable_interrupts;
ret = wl1271_write32(wl, HI_CFG, HI_CFG_DEF_VAL);
if (ret < 0)
goto disable_interrupts;
return ret;
disable_interrupts:
wl1271_disable_interrupts(wl);
return ret;
}
int wl1271_boot(struct wl1271 *wl)
{
int ret;
/* polarity must be set before the firmware is loaded */
ret = wl1271_boot_write_irq_polarity(wl);
if (ret < 0)
goto out;
/* upload NVS and firmware */
ret = wl1271_load_firmware(wl);
if (ret)
return ret;
/* 10.5 start firmware */
ret = wl1271_boot_run_firmware(wl);
if (ret < 0)
goto out;
ret = wl1271_write32(wl, ACX_REG_INTERRUPT_MASK,
WL1271_ACX_ALL_EVENTS_VECTOR);
if (ret < 0)
goto out;
/* Enable firmware interrupts now */
ret = wl1271_boot_enable_interrupts(wl);
if (ret < 0)
goto out;
ret = wl1271_event_mbox_config(wl);
if (ret < 0)
goto disable_interrupts;
return ret;
disable_interrupts:
wl1271_disable_interrupts(wl);
out:
return ret;
}
