Beispiel #1
0
static int wl1271_chip_wakeup(struct wl1271 *wl)
{
	struct wl1271_partition_set partition;
	int ret;

	msleep(WL1271_PRE_POWER_ON_SLEEP);
	ret = wl1271_power_on(wl);
	if (ret)
		return ret;

	msleep(WL1271_POWER_ON_SLEEP);

	/* We don't need a real memory partition here, because we only want
	 * to use the registers at this point. */
	memset(&partition, 0, sizeof(partition));
	partition.reg.start = REGISTERS_BASE;
	partition.reg.size = REGISTERS_DOWN_SIZE;
	wl1271_set_partition(wl, &partition);

	/* ELP module wake up */
	wl1271_fw_wakeup(wl);

	/* whal_FwCtrl_BootSm() */

	/* 0. read chip id from CHIP_ID */
	wl->chip.id = wl1271_read32(wl, CHIP_ID_B);

	/* 1. check if chip id is valid */

	switch (wl->chip.id) {
	case CHIP_ID_1271_PG10:
		wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
				wl->chip.id);
		break;
	case CHIP_ID_1271_PG20:
		wl1271_notice("chip id 0x%x (1271 PG20)",
				wl->chip.id);
		break;
	case CHIP_ID_1283_PG20:
		wl1271_notice("chip id 0x%x (1283 PG20)",
				wl->chip.id);
		break;
	case CHIP_ID_1283_PG10:
	default:
		wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
		return -ENODEV;
	}

	return ret;
}
Beispiel #2
0
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;
}
Beispiel #3
0
int wl1271_plt_start(struct wl1271 *wl)
{
	int ret;

	mutex_lock(&wl->mutex);

	wl1271_notice("power up");

	if (wl->state != WL1271_STATE_OFF) {
		wl1271_error("cannot go into PLT state because not "
			     "in off state: %d", wl->state);
		ret = -EBUSY;
		goto out;
	}

	wl->state = WL1271_STATE_PLT;

	ret = wl1271_chip_wakeup(wl);
	if (ret < 0)
		goto out;

	ret = wl1271_boot(wl);
	if (ret < 0)
		goto out;

	wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver);

	ret = wl1271_plt_init(wl);
	if (ret < 0)
		goto out;

out:
	mutex_unlock(&wl->mutex);

	return ret;
}
Beispiel #4
0
static int wl1271_register_hw(struct wl1271 *wl)
{
	int ret;

	if (wl->mac80211_registered)
		return 0;

	SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);

	ret = ieee80211_register_hw(wl->hw);
	if (ret < 0) {
		wl1271_error("unable to register mac80211 hw: %d", ret);
		return ret;
	}

	wl->mac80211_registered = true;

	wl1271_notice("loaded");

	return 0;
}
Beispiel #5
0
int wl1271_cmd_cal(struct wl1271 *wl)
{
	
	int ret;

	wl1271_notice("performing tx calibration");

	ret = wl1271_cmd_cal_channel_tune(wl);
	if (ret < 0)
		return ret;

	ret = wl1271_cmd_cal_update_ref_point(wl);
	if (ret < 0)
		return ret;

	ret = wl1271_cmd_cal_p2g(wl);
	if (ret < 0)
		return ret;

	return ret;
}
Beispiel #6
0
int wl1271_cmd_cal(struct wl1271 *wl)
{
	/*
	 * FIXME: we must make sure that we're not sleeping when calibration
	 * is done
	 */
	int ret;

	wl1271_notice("performing tx calibration");

	ret = wl1271_cmd_cal_channel_tune(wl);
	if (ret < 0)
		return ret;

	ret = wl1271_cmd_cal_update_ref_point(wl);
	if (ret < 0)
		return ret;

	ret = wl1271_cmd_cal_p2g(wl);
	if (ret < 0)
		return ret;

	return ret;
}
Beispiel #7
0
static void __exit wl1271_exit(void)
{
	sdio_unregister_driver(&wl1271_sdio_driver);

	wl1271_notice("unloaded");
}
Beispiel #8
0
static int __devinit wl1271_probe(struct sdio_func *func,
				  const struct sdio_device_id *id)
{
	struct ieee80211_hw *hw;
	struct wl1271 *wl;
	int ret;

	/* We are only able to handle the wlan function */
	if (func->num != 0x02)
		return -ENODEV;

	hw = wl1271_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl->if_priv = func;
	wl->if_ops = &sdio_ops;

	/* Grab access to FN0 for ELP reg. */
	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;

	wl->irq = gpio_to_irq(RX71_WL1271_IRQ_GPIO);
	if (wl->irq < 0) {
		ret = wl->irq;
		wl1271_error("could not get irq!");
		goto out_free;
	}

	ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl);
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);

	disable_irq(wl->irq);

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_irq;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_irq;

	sdio_set_drvdata(func, wl);

	wl1271_notice("initialized");

	return 0;

 out_irq:
	free_irq(wl->irq, wl);


 out_free:
	wl1271_free_hw(wl);

	return ret;
}
Beispiel #9
0
static int __devinit wl1271_probe(struct spi_device *spi)
{
	struct wl12xx_platform_data *pdata;
	struct ieee80211_hw *hw;
	struct wl1271 *wl;
	int ret, i;
	static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf};

	pdata = spi->dev.platform_data;
	if (!pdata) {
		wl1271_error("no platform data");
		return -ENODEV;
	}

	hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
	if (!hw) {
		wl1271_error("could not alloc ieee80211_hw");
		return -ENOMEM;
	}

	wl = hw->priv;
	memset(wl, 0, sizeof(*wl));

	wl->hw = hw;
	dev_set_drvdata(&spi->dev, wl);
	wl->spi = spi;

	skb_queue_head_init(&wl->tx_queue);

	INIT_WORK(&wl->filter_work, wl1271_filter_work);
	wl->channel = WL1271_DEFAULT_CHANNEL;
	wl->scanning = false;
	wl->default_key = 0;
	wl->listen_int = 1;
	wl->rx_counter = 0;
	wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
	wl->rx_filter = WL1271_DEFAULT_RX_FILTER;
	wl->elp = false;
	wl->psm = 0;
	wl->psm_requested = false;
	wl->tx_queue_stopped = false;
	wl->power_level = WL1271_DEFAULT_POWER_LEVEL;

	
	for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++)
		wl->tx_frames[i] = NULL;

	spin_lock_init(&wl->wl_lock);

	
	memcpy(wl->mac_addr, nokia_oui, 3);
	get_random_bytes(wl->mac_addr + 3, 3);

	wl->state = WL1271_STATE_OFF;
	mutex_init(&wl->mutex);

	wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL);
	if (!wl->rx_descriptor) {
		wl1271_error("could not allocate memory for rx descriptor");
		ret = -ENOMEM;
		goto out_free;
	}

	
	spi->bits_per_word = 32;

	ret = spi_setup(spi);
	if (ret < 0) {
		wl1271_error("spi_setup failed");
		goto out_free;
	}

	wl->set_power = pdata->set_power;
	if (!wl->set_power) {
		wl1271_error("set power function missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

	wl->irq = spi->irq;
	if (wl->irq < 0) {
		wl1271_error("irq missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

	ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl);
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);

	disable_irq(wl->irq);

	ret = platform_device_register(&wl1271_device);
	if (ret) {
		wl1271_error("couldn't register platform device");
		goto out_irq;
	}
	dev_set_drvdata(&wl1271_device.dev, wl);

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_platform;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_platform;

	wl1271_debugfs_init(wl);

	wl1271_notice("initialized");

	return 0;

 out_platform:
	platform_device_unregister(&wl1271_device);

 out_irq:
	free_irq(wl->irq, wl);

 out_free:
	kfree(wl->rx_descriptor);
	wl->rx_descriptor = NULL;

	ieee80211_free_hw(hw);

	return ret;
}
Beispiel #10
0
static int __devinit wl1271_probe(struct spi_device *spi)
{
	struct wl12xx_platform_data *pdata;
	struct ieee80211_hw *hw;
	struct wl1271 *wl;
	unsigned long irqflags;
	int ret;

	pdata = spi->dev.platform_data;
	if (!pdata) {
		wl1271_error("no platform data");
		return -ENODEV;
	}

	hw = wl1271_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	dev_set_drvdata(&spi->dev, wl);
	wl->if_priv = spi;

	wl->if_ops = &spi_ops;

	/* This is the only SPI value that we need to set here, the rest
	 * comes from the board-peripherals file */
	spi->bits_per_word = 32;

	ret = spi_setup(spi);
	if (ret < 0) {
		wl1271_error("spi_setup failed");
		goto out_free;
	}

	wl->set_power = pdata->set_power;
	if (!wl->set_power) {
		wl1271_error("set power function missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

	wl->ref_clock = pdata->board_ref_clock;
	wl->tcxo_clock = pdata->board_tcxo_clock;
	wl->platform_quirks = pdata->platform_quirks;

	if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
		irqflags = IRQF_TRIGGER_RISING;
	else
		irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;

	wl->irq = spi->irq;
	if (wl->irq < 0) {
		wl1271_error("irq missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

	ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
				   irqflags,
				   DRIVER_NAME, wl);
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	disable_irq(wl->irq);

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_irq;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_irq;

	wl1271_notice("initialized");

	return 0;

 out_irq:
	free_irq(wl->irq, wl);

 out_free:
	wl1271_free_hw(wl);

	return ret;
}
Beispiel #11
0
static int __devinit wl1271_probe(struct sdio_func *func,
				  const struct sdio_device_id *id)
{
	struct ieee80211_hw *hw;
	const struct wl12xx_platform_data *wlan_data;
	struct wl1271 *wl;
	unsigned long irqflags;
	mmc_pm_flag_t mmcflags;
	int ret;

	/* We are only able to handle the wlan function */
	if (func->num != 0x02)
		return -ENODEV;

	hw = wl1271_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl->if_priv = func;
	wl->if_ops = &sdio_ops;

	/* 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;

	wlan_data = wl12xx_get_platform_data();
	if (IS_ERR(wlan_data)) {
		ret = PTR_ERR(wlan_data);
		wl1271_error("missing wlan platform data: %d", ret);
		goto out_free;
	}

	wl->irq = wlan_data->irq;
	wl->ref_clock = wlan_data->board_ref_clock;
	wl->tcxo_clock = wlan_data->board_tcxo_clock;
	wl->platform_quirks = wlan_data->platform_quirks;

	if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ)
		irqflags = IRQF_TRIGGER_RISING;
	else
		irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;

	ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
				   irqflags,
				   DRIVER_NAME, wl);
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	enable_irq_wake(wl->irq);
	device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);

	disable_irq(wl->irq);

	/* if sdio can keep power while host is suspended, enable wow */
	mmcflags = sdio_get_host_pm_caps(func);
	wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags);

	if (mmcflags & MMC_PM_KEEP_POWER)
		hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_irq;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_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);

	wl->set_power = wlan_data->set_power;
	wl1271_notice("initialized");

	return 0;

 out_irq:
	free_irq(wl->irq, wl);

 out_free:
	wl1271_free_hw(wl);

	return ret;
}
Beispiel #12
0
static int __devinit wl1271_probe(struct sdio_func *func,
				  const struct sdio_device_id *id)
{
	struct ieee80211_hw *hw;
	const struct wl12xx_platform_data *wlan_data;
	struct wl1271 *wl;
	int ret;

	/* We are only able to handle the wlan function */
	if (func->num != 0x02)
		return -ENODEV;

	hw = wl1271_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	wl->if_priv = func;
	wl->if_ops = &sdio_ops;

	/* Grab access to FN0 for ELP reg. */
	func->card->quirks |= MMC_QUIRK_LENIENT_FN0;

	wlan_data = wl12xx_get_platform_data();
	if (IS_ERR(wlan_data)) {
		ret = PTR_ERR(wlan_data);
		wl1271_error("missing wlan platform data: %d", ret);
		goto out_free;
	}

	wl->irq = wlan_data->irq;
	wl->ref_clock = wlan_data->board_ref_clock;

	ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl);
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);

	disable_irq(wl->irq);

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_irq;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_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);

	wl1271_notice("initialized");

	return 0;

 out_irq:
	free_irq(wl->irq, wl);


 out_free:
	wl1271_free_hw(wl);

	return ret;
}
Beispiel #13
0
static int __devinit wl1271_probe(struct spi_device *spi)
{
	struct wl12xx_platform_data *pdata;
	struct ieee80211_hw *hw;
	struct wl1271 *wl;
	int ret;

	pdata = spi->dev.platform_data;
	if (!pdata) {
		wl1271_error("no platform data");
		return -ENODEV;
	}

	hw = wl1271_alloc_hw();
	if (IS_ERR(hw))
		return PTR_ERR(hw);

	wl = hw->priv;

	dev_set_drvdata(&spi->dev, wl);
	wl->if_priv = spi;

	wl->if_ops = &spi_ops;

	/* This is the only SPI value that we need to set here, the rest
	 * comes from the board-peripherals file */
	spi->bits_per_word = 32;

	ret = spi_setup(spi);
	if (ret < 0) {
		wl1271_error("spi_setup failed");
		goto out_free;
	}

	wl->set_power = pdata->set_power;
	if (!wl->set_power) {
		wl1271_error("set power function missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

	wl->ref_clock = pdata->board_ref_clock;

	wl->irq = spi->irq;
	if (wl->irq < 0) {
		wl1271_error("irq missing in platform data");
		ret = -ENODEV;
		goto out_free;
	}

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
	ret = compat_request_threaded_irq(&wl->irq_compat, wl->irq,
					  wl1271_hardirq, wl1271_irq,
					  IRQF_TRIGGER_RISING,
					  DRIVER_NAME, wl);
#else
	ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
				   IRQF_TRIGGER_RISING,
#else
				   IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
#endif
				   DRIVER_NAME, wl);
#endif
	if (ret < 0) {
		wl1271_error("request_irq() failed: %d", ret);
		goto out_free;
	}

	disable_irq(wl->irq);

	ret = wl1271_init_ieee80211(wl);
	if (ret)
		goto out_irq;

	ret = wl1271_register_hw(wl);
	if (ret)
		goto out_irq;

	wl1271_notice("initialized");

	return 0;

 out_irq:
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
	compat_free_threaded_irq(&wl->irq_compat);
#else
	free_irq(wl->irq, wl);
#endif

 out_free:
	wl1271_free_hw(wl);

	return ret;
}