Пример #1
0
static void wl1251_op_stop(struct ieee80211_hw *hw)
{
	struct wl1251 *wl = hw->priv;

	wl1251_info("down");

	wl1251_debug(DEBUG_MAC80211, "mac80211 stop");

	mutex_lock(&wl->mutex);

	WARN_ON(wl->state != WL1251_STATE_ON);

	if (wl->scanning) {
		ieee80211_scan_completed(wl->hw, true);
		wl->scanning = false;
	}

	wl->state = WL1251_STATE_OFF;

	wl1251_disable_interrupts(wl);

	mutex_unlock(&wl->mutex);

	cancel_work_sync(&wl->irq_work);
	cancel_work_sync(&wl->tx_work);
	cancel_delayed_work_sync(&wl->ps_work);
	cancel_delayed_work_sync(&wl->elp_work);

	mutex_lock(&wl->mutex);

	/* let's notify MAC80211 about the remaining pending TX frames */
	wl1251_tx_flush(wl);
	wl1251_power_off(wl);

	memset(wl->bssid, 0, ETH_ALEN);
	wl->listen_int = 1;
	wl->bss_type = MAX_BSS_TYPE;

	wl->data_in_count = 0;
	wl->rx_counter = 0;
	wl->rx_handled = 0;
	wl->rx_current_buffer = 0;
	wl->rx_last_id = 0;
	wl->next_tx_complete = 0;
	wl->elp = false;
	wl->station_mode = STATION_ACTIVE_MODE;
	wl->tx_queue_stopped = false;
	wl->power_level = WL1251_DEFAULT_POWER_LEVEL;
	wl->rssi_thold = 0;
	wl->channel = WL1251_DEFAULT_CHANNEL;
	wl->monitor_present = false;
	wl->joined = false;
	wl->long_doze_mode_set = false;

	wl1251_debugfs_reset(wl);

	mutex_unlock(&wl->mutex);
}
Пример #2
0
static int wl1251_op_start(struct ieee80211_hw *hw)
{
	struct wl1251 *wl = hw->priv;
	struct wiphy *wiphy = hw->wiphy;
	int ret = 0;

	wl1251_debug(DEBUG_MAC80211, "mac80211 start");

	mutex_lock(&wl->mutex);

	if (wl->state != WL1251_STATE_OFF) {
		wl1251_error("cannot start because not in off state: %d",
			     wl->state);
		ret = -EBUSY;
		goto out;
	}

	ret = wl1251_chip_wakeup(wl);
	if (ret < 0)
		goto out;

	ret = wl1251_boot(wl);
	if (ret < 0)
		goto out;

	ret = wl1251_hw_init(wl);
	if (ret < 0)
		goto out;

	ret = wl1251_acx_station_id(wl);
	if (ret < 0)
		goto out;

	wl->state = WL1251_STATE_ON;

	wl1251_info("firmware booted (%s)", wl->fw_ver);

	/* update hw/fw version info in wiphy struct */
	wiphy->hw_version = wl->chip_id;
	strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version));

out:
	if (ret < 0)
		wl1251_power_off(wl);

	mutex_unlock(&wl->mutex);

	return ret;
}
Пример #3
0
static int wl1251_sdio_probe(struct sdio_func *func,
			     const struct sdio_device_id *id)
{
	int ret, t;
	struct wl1251 *wl;
	struct ieee80211_hw *hw;
	struct wl1251_sdio *wl_sdio;
	const struct wl12xx_platform_data *wl12xx_board_data;

	hw = wl1251_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl_sdio = kzalloc(sizeof(*wl_sdio), GFP_KERNEL);
	if (wl_sdio == NULL) {
		ret = -ENOMEM;
		goto out_free_hw;
	}

	sdio_claim_host(func);
	ret = sdio_enable_func(func);
	if (ret)
		goto release;

	sdio_set_block_size(func, 512);
	sdio_release_host(func);

	SET_IEEE80211_DEV(hw, &func->dev);
	wl_sdio->func = func;
	wl->if_priv = wl_sdio;
	wl->if_ops = &wl1251_sdio_ops;

	wl12xx_board_data = wl12xx_get_platform_data();
	if (!IS_ERR(wl12xx_board_data)) {
		wl->set_power = wl12xx_board_data->set_power;
		wl->irq = wl12xx_board_data->irq;
		wl->use_eeprom = wl12xx_board_data->use_eeprom;
	}

	if (force_nvs_file)
		wl->use_eeprom = false;
	wl->dump_eeprom = dump_eeprom;

	if (wl->irq) {
		irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);

		ret = request_threaded_irq(wl->irq, NULL, wl1251_irq,
			IRQF_ONESHOT, "wl1251", wl);
		if (ret < 0) {
			wl1251_error("request_irq() failed: %d", ret);
			goto disable;
		}

		irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);

		wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
		wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;

		wl1251_info("using dedicated interrupt line");
	} else {
		wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
		wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;

		wl1251_info("using SDIO interrupt");
	}

	ret = wl1251_init_ieee80211(wl);
	if (ret)
		goto out_free_irq;

	sdio_set_drvdata(func, wl);

	for (t = 0; t < ARRAY_SIZE(wl1251_attrs); t++) {
		ret = device_create_file(&func->dev, &wl1251_attrs[t]);
		if (ret) {
			while (--t >= 0)
				device_remove_file(&func->dev,
						   &wl1251_attrs[t]);
			goto out_free_irq;
		}
	}

	/* Tell PM core that we don't need the card to be powered now */
	pm_runtime_put_noidle(&func->dev);

	return ret;

out_free_irq:
	if (wl->irq)
		free_irq(wl->irq, wl);
disable:
	sdio_claim_host(func);
	sdio_disable_func(func);
release:
	sdio_release_host(func);
	kfree(wl_sdio);
out_free_hw:
	wl1251_free_hw(wl);
	return ret;
}
Пример #4
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;
}
static int wl1251_sdio_probe(struct sdio_func *func,
			     const struct sdio_device_id *id)
{
	int ret;
	struct wl1251 *wl;
	struct ieee80211_hw *hw;

	hw = wl1251_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	sdio_claim_host(func);
	ret = sdio_enable_func(func);
	if (ret)
		goto release;

	sdio_set_block_size(func, 512);
	sdio_release_host(func);

	SET_IEEE80211_DEV(hw, &func->dev);
	wl->if_priv = func;
	wl->if_ops = &wl1251_sdio_ops;
	wl->set_power = wl1251_sdio_set_power;

	if (wl12xx_board_data != NULL) {
		wl->set_power = wl12xx_board_data->set_power;
		wl->irq = wl12xx_board_data->irq;
		wl->use_eeprom = wl12xx_board_data->use_eeprom;
	}

	if (wl->irq) {
		ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);
		if (ret < 0) {
			wl1251_error("request_irq() failed: %d", ret);
			goto disable;
		}

		set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
		disable_irq(wl->irq);

		wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
		wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;

		wl1251_info("using dedicated interrupt line");
	} else {
		wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
		wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;

		wl1251_info("using SDIO interrupt");
	}

	ret = wl1251_init_ieee80211(wl);
	if (ret)
		goto out_free_irq;

	sdio_set_drvdata(func, wl);
	return ret;

out_free_irq:
	if (wl->irq)
		free_irq(wl->irq, wl);
disable:
	sdio_claim_host(func);
	sdio_disable_func(func);
release:
	sdio_release_host(func);
	wl1251_free_hw(wl);
	return ret;
}
Пример #6
0
static int wl1251_sdio_probe(struct sdio_func *func,
			     const struct sdio_device_id *id)
{
	int ret;
	struct wl1251 *wl;
	struct ieee80211_hw *hw;
	struct wl1251_sdio *wl_sdio;
	const struct wl1251_platform_data *wl1251_board_data;

	hw = wl1251_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl_sdio = kzalloc(sizeof(*wl_sdio), GFP_KERNEL);
	if (wl_sdio == NULL) {
		ret = -ENOMEM;
		goto out_free_hw;
	}

	sdio_claim_host(func);
	ret = sdio_enable_func(func);
	if (ret)
		goto release;

	sdio_set_block_size(func, 512);
	sdio_release_host(func);

	SET_IEEE80211_DEV(hw, &func->dev);
	wl_sdio->func = func;
	wl->if_priv = wl_sdio;
	wl->if_ops = &wl1251_sdio_ops;

	wl1251_board_data = wl1251_get_platform_data();
	if (!IS_ERR(wl1251_board_data)) {
		wl->power_gpio = wl1251_board_data->power_gpio;
		wl->irq = wl1251_board_data->irq;
		wl->use_eeprom = wl1251_board_data->use_eeprom;
	}

	if (gpio_is_valid(wl->power_gpio)) {
#if 0 /* Not in RHEL */
		ret = devm_gpio_request(&func->dev, wl->power_gpio,
								"wl1251 power");
#else
		ret = gpio_request(wl->power_gpio, "wl1251 power");
#endif
		if (ret) {
			wl1251_error("Failed to request gpio: %d\n", ret);
			goto disable;
		}
	}

	if (wl->irq) {
		irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);
		ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);
		if (ret < 0) {
			wl1251_error("request_irq() failed: %d", ret);
			goto disable;
		}

		irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);

		wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
		wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;

		wl1251_info("using dedicated interrupt line");
	} else {
		wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
		wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;

		wl1251_info("using SDIO interrupt");
	}

	ret = wl1251_init_ieee80211(wl);
	if (ret)
		goto out_free_irq;

	sdio_set_drvdata(func, wl);

	/* Tell PM core that we don't need the card to be powered now */
	pm_runtime_put_noidle(&func->dev);

	return ret;

out_free_irq:
	if (wl->irq)
		free_irq(wl->irq, wl);
disable:
	sdio_claim_host(func);
	sdio_disable_func(func);
release:
	sdio_release_host(func);
	kfree(wl_sdio);
out_free_hw:
	wl1251_free_hw(wl);
	return ret;
}
Пример #7
0
static int wl1251_sdio_probe(struct sdio_func *func,
			     const struct sdio_device_id *id)
{
	int ret;
	struct wl1251 *wl;
	struct ieee80211_hw *hw;
	struct wl1251_sdio *wl_sdio;

	hw = wl1251_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl_sdio = kzalloc(sizeof(*wl_sdio), GFP_KERNEL);
	if (wl_sdio == NULL) {
		ret = -ENOMEM;
		goto out_free_hw;
	}
	
	/* Grab access to FN0 for ELP reg. */
	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;

	/* Use block mode for transferring over one block size of data */
	func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;

	sdio_claim_host(func);
	pr_info("%s: claimed host\n", __func__);
	ret = sdio_enable_func(func);
	if (ret)
		goto release;
	pr_info("%s: enabled host\n", __func__);

	sdio_set_block_size(func, 512);
	sdio_release_host(func);
	pr_info("%s: released host\n", __func__);

	SET_IEEE80211_DEV(hw, &func->dev);
	wl_sdio->func = func;
	wl->if_priv = wl_sdio;
	wl->if_ops = &wl1251_sdio_ops;

	if (wl12xx_board_data != NULL) {
		wl->set_power = wl12xx_board_data->set_power;
		wl->irq = wl12xx_board_data->irq;
		wl->use_eeprom = wl12xx_board_data->use_eeprom;
	}

	if (wl->irq) {
		ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);
		if (ret < 0) {
			wl1251_error("request_irq() failed: %d", ret);
			goto disable;
		}

		set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
		//disable_irq(wl->irq);

		wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq;
		wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq;

		wl1251_info("using dedicated interrupt line");
	} else {
		wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq;
		wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq;

		wl1251_info("using SDIO interrupt");
	}

	ret = wl1251_init_ieee80211(wl);
	if (ret)
		goto out_free_irq;

	sdio_set_drvdata(func, wl);

	return ret;

out_free_irq:
	if (wl->irq)
		free_irq(wl->irq, wl);
disable:
	sdio_claim_host(func);
	sdio_disable_func(func);
release:
	sdio_release_host(func);
	kfree(wl_sdio);
out_free_hw:
	wl1251_free_hw(wl);
	return ret;
}
Пример #8
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;

	
	ret = wl1251_hw_init_templates_config(wl);
	if (ret < 0)
		return ret;

	
	ret = wl1251_hw_init_mem_config(wl);
	if (ret < 0)
		return ret;

	
	ret = wl1251_hw_init_data_path_config(wl);
	if (ret < 0)
		goto out_free_memmap;

	
	ret = wl1251_hw_init_rx_config(wl,
				       RX_CFG_PROMISCUOUS | RX_CFG_TSF,
				       RX_FILTER_OPTION_DEF);
	
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_tx_queue_config(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_phy_config(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_beacon_filter(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_pta(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_energy_detection(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_hw_init_beacon_broadcast(wl);
	if (ret < 0)
		goto out_free_data_path;

	
	ret = wl1251_cmd_data_path(wl, wl->channel, 1);
	if (ret < 0)
		goto out_free_data_path;

	
	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;
}