static int bcmsdio_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
int ret = 0;
printk(KERN_ERR "%s: FUNC Start\n" , __func__);
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
printk(KERN_ERR "%s: Error Host doesn't support the keep power capability\n" ,
__func__);
return ret;
}
if (bcmsdio_suspend_hldr) {
printk(KERN_ERR "%s: Disable SDIO IRQ when driver is being suspended\n" , __func__);
/* Disable SDIO IRQ when driver is being suspended */
bcmsdio_enable_sdio_irq(func, 0);
ret = bcmsdio_suspend_hldr(func);
if (ret) {
printk(KERN_ERR
"%s: BCM driver is not able to suspend\n" , __func__);
/* Error - Restore SDIO IRQ */
bcmsdio_enable_sdio_irq(func, 1);
return ret;
}
}
printk(KERN_ERR "%s: FUNC End\n" , __func__);
return sdio_set_host_pm_flags(func, MMC_PM_WAKE_SDIO_IRQ);
}
static int bcmsdh_sdmmc_suspend(struct device *pdev)
{
struct sdio_func *func = dev_to_sdio_func(pdev);
mmc_pm_flag_t sdio_flags;
int ret = 0;
if (func->num != 2)
return 0;
sd_trace(("%s Enter\n", __FUNCTION__));
if (dhd_os_check_wakelock(bcmsdh_get_drvdata()))
return -EBUSY;
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
sd_err(("%s: can't keep power while host is suspended\n", __FUNCTION__));
return -EINVAL;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
sd_err(("%s: error while trying to keep power\n", __FUNCTION__));
return ret;
}
#if defined(OOB_INTR_ONLY)
bcmsdh_oob_intr_set(0);
#endif /* defined(OOB_INTR_ONLY) */
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
sd_err(("can't keep power while host "
"is suspended\n", __FUNCTION__));
ret = -EINVAL;
goto out;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
sd_err(("error while trying to keep power\n", __FUNCTION__));
goto out;
}
dhd_mmc_suspend = TRUE;
smp_mb();
out:
return ret;
}
static int
bcmsdh_sdmmc_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
//+++ PZ2224_yikyu 20120315 for abnormal sleep current
sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
sdio_set_host_pm_flags(func, MMC_PM_WAKE_SDIO_IRQ);
return 0;
//---- PZ2224_yikyu 20120315 for abnormal sleep current
//return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
}
/** @brief This function handles client driver suspend
*
* @param dev A pointer to device structure
* @return BT_STATUS_SUCCESS or BT_STATUS_FAILURE
*/
int
bt_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
mmc_pm_flag_t pm_flags = 0;
bt_private *priv = NULL;
struct sdio_mmc_card *cardp;
struct hci_dev *hcidev;
ENTER();
if (func) {
pm_flags = sdio_get_host_pm_caps(func);
PRINTM(CMD, "%s: suspend: PM flags = 0x%x\n", sdio_func_id(func),
pm_flags);
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
PRINTM(ERROR, "%s: cannot remain alive while host is suspended\n",
sdio_func_id(func));
return -ENOSYS;
}
cardp = sdio_get_drvdata(func);
if (!cardp || !cardp->priv) {
PRINTM(ERROR, "Card or priv structure is not valid\n");
LEAVE();
return BT_STATUS_SUCCESS;
}
} else {
PRINTM(ERROR, "sdio_func is not specified\n");
LEAVE();
return BT_STATUS_SUCCESS;
}
PRINTM(CMD, "SDIO suspend\n");
priv = cardp->priv;
if ((pm_keep_power) && (priv->adapter->hs_state != HS_ACTIVATED))
bt_enable_hs(priv);
hcidev = priv->bt_dev.hcidev;
hci_suspend_dev(hcidev);
skb_queue_purge(&priv->adapter->tx_queue);
LEAVE();
/* We will keep the power when hs enabled successfully */
if ((pm_keep_power) && (priv->adapter->hs_state == HS_ACTIVATED))
#ifdef MMC_PM_SKIP_RESUME_PROBE
return sdio_set_host_pm_flags(func,
MMC_PM_KEEP_POWER |
MMC_PM_SKIP_RESUME_PROBE);
#else
return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
#endif
else
return BT_STATUS_SUCCESS;
static int brcmf_sdio_suspend(struct device *dev)
{
mmc_pm_flag_t sdio_flags;
struct brcmf_sdio_dev *sdiodev;
struct sdio_func *func = dev_to_sdio_func(dev);
int ret = 0;
brcmf_dbg(TRACE, "\n");
sdiodev = dev_get_drvdata(&func->card->dev);
atomic_set(&sdiodev->suspend, true);
sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
brcmf_dbg(ERROR, "Host can't keep power while suspended\n");
return -EINVAL;
}
ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
if (ret) {
brcmf_dbg(ERROR, "Failed to set pm_flags\n");
return ret;
}
brcmf_sdio_wdtmr_enable(sdiodev, false);
return ret;
}
static int brcmf_sdio_suspend(struct device *dev)
{
mmc_pm_flag_t sdio_flags;
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
int ret = 0;
brcmf_dbg(SDIO, "\n");
atomic_set(&sdiodev->suspend, true);
sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
brcmf_err("Host can't keep power while suspended\n");
return -EINVAL;
}
ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
if (ret) {
brcmf_err("Failed to set pm_flags\n");
return ret;
}
brcmf_sdio_wdtmr_enable(sdiodev, false);
return ret;
}
static int wl1271_suspend(struct device *dev)
{
/* Tell MMC/SDIO core it's OK to power down the card
* (if it isn't already), but not to remove it completely */
struct sdio_func *func = dev_to_sdio_func(dev);
struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func);
struct wl1271 *wl = platform_get_drvdata(glue->core);
mmc_pm_flag_t sdio_flags;
int ret = 0;
dev_dbg(dev, "wl1271 suspend. wow_enabled: %d\n",
wl->wow_enabled);
/* check whether sdio should keep power */
if (wl->wow_enabled) {
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
dev_err(dev, "can't keep power while host "
"is suspended\n");
ret = -EINVAL;
goto out;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
dev_err(dev, "error while trying to keep power\n");
goto out;
}
}
out:
return ret;
}
static int
bcmsdh_sdmmc_suspend(struct device *dev)
{
#ifdef CUSTOMER_HW_PT // for Sleep Current
struct sdio_func *func = dev_to_sdio_func(dev);
int ret = 0;
printk("%s: \n",__func__);
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (!ret)
ret = sdio_set_host_pm_flags(func, MMC_PM_WAKE_SDIO_IRQ);
return ret;
#else
struct sdio_func *func = dev_to_sdio_func(dev);
printk("%s: called\n", __FUNCTION__);
return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
#endif
}
static int wl1271_suspend(struct device *dev)
{
/* Tell MMC/SDIO core it's OK to power down the card
* (if it isn't already), but not to remove it completely */
struct sdio_func *func = dev_to_sdio_func(dev);
struct wl1271 *wl = sdio_get_drvdata(func);
mmc_pm_flag_t sdio_flags;
unsigned long flags;
bool abort;
int ret = 0;
/*
* if there is a pending irq work, we should abort the suspension.
* (irq might come between mac80211 suspension and our suspension)
* TODO: maybe remove it, since system will wake up anyway?
*/
spin_lock_irqsave(&wl->wl_lock, flags);
abort = !!test_bit(WL1271_FLAG_PENDING_WORK, &wl->flags);
spin_unlock_irqrestore(&wl->wl_lock, flags);
if (abort) {
wl1271_info("pending irq work - aborting suspend");
return -EBUSY;
}
/*
* we need to look into wl to tell which suspend method to use.
* we will have full power, ps mode, elp, and power off
*/
wl1271_info("%s: wow_enabled: %d", __func__, wl->wow_enabled);
if (wl->wow_enabled) {
sdio_flags = sdio_get_host_pm_caps(func);
wl1271_info("suspend PM flags = 0x%x", sdio_flags);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
wl1271_error("can't keep power while host "
"is suspended");
goto power_off;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
wl1271_error("error while trying to keep power");
goto power_off;
}
/* release host */
sdio_release_host(func);
}
power_off:
return 0;
}
/** @brief This function handles client driver suspend
*
* @param dev A pointer to device structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
int
woal_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
mmc_pm_flag_t pm_flags = 0;
moal_handle *handle = NULL;
struct sdio_mmc_card *cardp;
int i;
int ret = MLAN_STATUS_SUCCESS;
int hs_actived = 0;
ENTER();
if (func) {
pm_flags = sdio_get_host_pm_caps(func);
PRINTM(MCMND, "%s: suspend: PM flags = 0x%x\n", sdio_func_id(func),
pm_flags);
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
PRINTM(MERROR, "%s: cannot remain alive while host is suspended\n",
sdio_func_id(func));
LEAVE();
return -ENOSYS;
}
cardp = sdio_get_drvdata(func);
if (!cardp || !cardp->handle) {
PRINTM(MERROR, "Card or moal_handle structure is not valid\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
} else {
PRINTM(MERROR, "sdio_func is not specified\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
handle = cardp->handle;
if (pm_keep_power) {
/* Enable the Host Sleep */
hs_actived = woal_enable_hs(woal_get_priv(handle, MLAN_BSS_TYPE_ANY));
if (hs_actived) {
PRINTM(MCMND, "suspend with MMC_PM_KEEP_POWER\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
}
}
/* Indicate device suspended */
handle->is_suspended = MTRUE;
for (i = 0; i < handle->priv_num; i++)
netif_carrier_off(handle->priv[i]->netdev);
LEAVE();
return ret;
}
/*
* SDIO suspend.
*
* Kernel needs to suspend all functions separately. Therefore all
* registered functions must have drivers with suspend and resume
* methods. Failing that the kernel simply removes the whole card.
*
* If already not suspended, this function allocates and sends a host
* sleep activate request to the firmware and turns off the traffic.
*/
static int mwifiex_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
struct sdio_mmc_card *card;
struct mwifiex_adapter *adapter;
mmc_pm_flag_t pm_flag = 0;
int i;
int ret = 0;
if (func) {
pm_flag = sdio_get_host_pm_caps(func);
pr_debug("cmd: %s: suspend: PM flag = 0x%x\n",
sdio_func_id(func), pm_flag);
if (!(pm_flag & MMC_PM_KEEP_POWER)) {
pr_err("%s: cannot remain alive while host is"
" suspended\n", sdio_func_id(func));
return -ENOSYS;
}
card = sdio_get_drvdata(func);
if (!card || !card->adapter) {
pr_err("suspend: invalid card or adapter\n");
return 0;
}
} else {
pr_err("suspend: sdio_func is not specified\n");
return 0;
}
adapter = card->adapter;
/* Enable the Host Sleep */
if (!mwifiex_enable_hs(adapter)) {
dev_err(adapter->dev, "cmd: failed to suspend\n");
return -EFAULT;
}
dev_dbg(adapter->dev, "cmd: suspend with MMC_PM_KEEP_POWER\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
/* Indicate device suspended */
adapter->is_suspended = true;
for (i = 0; i < adapter->priv_num; i++)
netif_carrier_off(adapter->priv[i]->netdev);
return ret;
}
static int cw1200_sdio_suspend(struct device *dev)
{
int ret;
struct sdio_func *func = dev_to_sdio_func(dev);
struct hwbus_priv *self = sdio_get_drvdata(func);
if (!cw1200_can_suspend(self->core))
return -EAGAIN;
/* Notify SDIO that CW1200 will remain powered during suspend */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret)
pr_err("Error setting SDIO pm flags: %i\n", ret);
return ret;
}
static int bcmsdh_sdmmc_suspend(struct device *pdev)
{
int err;
sdioh_info_t *sdioh;
struct sdio_func *func = dev_to_sdio_func(pdev);
mmc_pm_flag_t sdio_flags;
sd_err(("%s +\n", __FUNCTION__));
if (func->num != 2)
return 0;
sdioh = sdio_get_drvdata(func);
err = bcmsdh_suspend(sdioh->bcmsdh);
if (err){
sd_err(("%s -\n", __FUNCTION__));
return err;
}
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
sd_err(("%s: can't keep power while host is suspended\n", __FUNCTION__));
sd_err(("%s -\n", __FUNCTION__));
return -EINVAL;
}
/* keep power while host suspended */
err = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (err) {
sd_err(("%s: error while trying to keep power\n", __FUNCTION__));
sd_err(("%s -\n", __FUNCTION__));
return err;
}
#if defined(OOB_INTR_ONLY)
#ifndef HW_WIFI_OOB_INT_SET
bcmsdh_oob_intr_set(sdioh->bcmsdh, FALSE);
#endif
#endif
dhd_mmc_suspend = TRUE;
#ifdef HW_WIFI_WAKEUP_SRC_PARSE
g_wifi_firstwake = TRUE;
#endif
smp_mb();
sd_err(("%s -\n", __FUNCTION__));
return 0;
}
static int wl1271_suspend(struct device *dev)
{
/* Tell MMC/SDIO core it's OK to power down the card
* (if it isn't already), but not to remove it completely */
struct sdio_func *func = dev_to_sdio_func(dev);
struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func);
struct wl1271 *wl = platform_get_drvdata(glue->core);
mmc_pm_flag_t sdio_flags;
int ret = 0;
dev_dbg(dev, "wl1271 suspend. wow_enabled: %d\n",
wl->wow_enabled);
/*
* check whether sdio should keep power.
* due to some mmc layer issues, the system automatically
* powers us up on resume, which later cause issues when
* we try to restore_power again explicitly.
* workaround it by always asking to keep power. this is
* fine as the driver controls the chip power anyway.
* TODO: remove it when mmc issue is fixed.
*/
if (true || wl->wow_enabled) {
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
dev_err(dev, "can't keep power while host "
"is suspended\n");
ret = -EINVAL;
goto out;
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
dev_err(dev, "error while trying to keep power\n");
goto out;
}
}
out:
return ret;
}
static int bcmsdh_sdmmc_suspend(struct device *pdev)
{
int err;
sdioh_info_t *sdioh;
struct sdio_func *func = dev_to_sdio_func(pdev);
mmc_pm_flag_t sdio_flags;
sd_err(("%s Enter\n", __FUNCTION__));
if (func->num != 2)
return 0;
dhd_mmc_suspend = TRUE;
sdioh = sdio_get_drvdata(func);
err = bcmsdh_suspend(sdioh->bcmsdh);
if (err) {
dhd_mmc_suspend = FALSE;
return err;
}
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
sd_err(("%s: can't keep power while host is suspended\n", __FUNCTION__));
dhd_mmc_suspend = FALSE;
return -EINVAL;
}
/* keep power while host suspended */
err = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (err) {
sd_err(("%s: error while trying to keep power\n", __FUNCTION__));
dhd_mmc_suspend = FALSE;
return err;
}
#if defined(OOB_INTR_ONLY) && !defined(CUSTOMER_HW4)
bcmsdh_oob_intr_set(sdioh->bcmsdh, FALSE);
#endif /* OOB_INTR_ONLY && !CUSTOMER_HW4 */
smp_mb();
return 0;
}
static int esp_sdio_suspend(struct device *dev)
{
//#define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32))
struct sdio_func *func = dev_to_sdio_func(dev);
#else
struct sdio_func *func = container_of(dev, struct sdio_func, dev);
#endif
struct esp_sdio_ctrl *sctrl = sdio_get_drvdata(func);
struct esp_pub *epub = sctrl->epub;
printk("%s", __func__);
#if 0
sip_send_suspend_config(epub, 1);
#endif
atomic_set(&epub->ps.state, ESP_PM_ON);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34))
do{
u32 sdio_flags = 0;
int ret = 0;
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
printk("%s can't keep power while host is suspended\n", __func__);
}
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
printk("%s error while trying to keep power\n", __func__);
}
}while(0);
#endif
return 0;
}
static int wl1271_suspend(struct device *dev)
{
/* Tell MMC/SDIO core it's OK to power down the card
* (if it isn't already), but not to remove it completely */
struct sdio_func *func = dev_to_sdio_func(dev);
struct wl1271 *wl = sdio_get_drvdata(func);
mmc_pm_flag_t sdio_flags;
int ret = 0;
wl1271_debug(DEBUG_MAC80211, "wl1271 suspend. wow_enabled: %d",
wl->wow_enabled);
/* check whether sdio should keep power */
if (wl->wow_enabled) {
sdio_flags = sdio_get_host_pm_caps(func);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
wl1271_error("can't keep power while host "
"is suspended");
ret = -EINVAL;
goto out;
}
printk("\n\nSetting MMC_PM_KEEP_POWER\n");
/* keep power while host suspended */
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
if (ret) {
wl1271_error("error while trying to keep power");
goto out;
}
/* release host */
sdio_release_host(func);
}
out:
return ret;
}
/** @brief This function handles client driver suspend
*
* @param dev A pointer to device structure
* @return MLAN_STATUS_SUCCESS or error code
*/
int
woal_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
mmc_pm_flag_t pm_flags = 0;
moal_handle *handle = NULL;
struct sdio_mmc_card *cardp;
int i, retry_num = 8;
int ret = MLAN_STATUS_SUCCESS;
int hs_actived = 0;
mlan_ds_ps_info pm_info;
ENTER();
PRINTM(MCMND, "<--- Enter woal_sdio_suspend --->\n");
pm_flags = sdio_get_host_pm_caps(func);
PRINTM(MCMND, "%s: suspend: PM flags = 0x%x\n", sdio_func_id(func),
pm_flags);
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
PRINTM(MERROR,
"%s: cannot remain alive while host is suspended\n",
sdio_func_id(func));
LEAVE();
return -ENOSYS;
}
cardp = sdio_get_drvdata(func);
if (!cardp || !cardp->handle) {
PRINTM(MERROR, "Card or moal_handle structure is not valid\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
handle = cardp->handle;
if (handle->is_suspended == MTRUE) {
PRINTM(MWARN, "Device already suspended\n");
LEAVE();
return MLAN_STATUS_SUCCESS;
}
if (handle->fw_dump) {
PRINTM(MMSG, "suspend not allowed while FW dump!");
ret = -EBUSY;
goto done;
}
handle->suspend_fail = MFALSE;
memset(&pm_info, 0, sizeof(pm_info));
for (i = 0; i < retry_num; i++) {
if (MLAN_STATUS_SUCCESS ==
woal_get_pm_info(woal_get_priv(handle, MLAN_BSS_ROLE_ANY),
&pm_info)) {
if (pm_info.is_suspend_allowed == MTRUE)
break;
else
PRINTM(MMSG,
"Suspend not allowed and retry again\n");
}
woal_sched_timeout(100);
}
if (pm_info.is_suspend_allowed == MFALSE) {
PRINTM(MMSG, "Suspend not allowed\n");
ret = -EBUSY;
goto done;
}
for (i = 0; i < handle->priv_num; i++)
netif_device_detach(handle->priv[i]->netdev);
if (pm_keep_power) {
/* Enable the Host Sleep */
#ifdef MMC_PM_FUNC_SUSPENDED
handle->suspend_notify_req = MTRUE;
#endif
hs_actived =
woal_enable_hs(woal_get_priv
(handle, MLAN_BSS_ROLE_ANY));
#ifdef MMC_PM_FUNC_SUSPENDED
handle->suspend_notify_req = MFALSE;
#endif
if (hs_actived) {
#ifdef MMC_PM_SKIP_RESUME_PROBE
PRINTM(MCMND,
"suspend with MMC_PM_KEEP_POWER and MMC_PM_SKIP_RESUME_PROBE\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER |
MMC_PM_SKIP_RESUME_PROBE);
#else
PRINTM(MCMND, "suspend with MMC_PM_KEEP_POWER\n");
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
#endif
} else {
PRINTM(MMSG, "HS not actived, suspend fail!");
handle->suspend_fail = MTRUE;
for (i = 0; i < handle->priv_num; i++)
netif_device_attach(handle->priv[i]->netdev);
ret = -EBUSY;
goto done;
}
}
/* Indicate device suspended */
handle->is_suspended = MTRUE;
done:
PRINTM(MCMND, "<--- Leave woal_sdio_suspend --->\n");
LEAVE();
return ret;
}
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;
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;
if (wl->ref_clock < 0)
wl->ref_clock = wlan_data->board_ref_clock;
if (wl->tcxo_clock < 0)
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;
}
disable_irq(wl->irq);
sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
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);
mmc_power_save_host(func->card->host);
return 0;
out_irq:
free_irq(wl->irq, wl);
out_free:
wl1271_free_hw(wl);
return ret;
}
/** @brief This function handles client driver suspend
*
* @param dev A pointer to device structure
* @return BT_STATUS_SUCCESS or other error no.
*/
int
bt_sdio_suspend(struct device *dev)
{
struct sdio_func *func = dev_to_sdio_func(dev);
mmc_pm_flag_t pm_flags = 0;
bt_private *priv = NULL;
struct sdio_mmc_card *cardp;
struct m_dev *m_dev = NULL;
ENTER();
pm_flags = sdio_get_host_pm_caps(func);
PRINTM(CMD, "BT: %s: suspend: PM flags = 0x%x\n", sdio_func_id(func),
pm_flags);
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
PRINTM(ERROR,
"BT: %s: cannot remain alive while host is suspended\n",
sdio_func_id(func));
return -ENOSYS;
}
cardp = sdio_get_drvdata(func);
if (!cardp || !cardp->priv) {
PRINTM(ERROR, "BT: Card or priv structure is not valid\n");
LEAVE();
return BT_STATUS_SUCCESS;
}
priv = cardp->priv;
if ((mbt_pm_keep_power) && (priv->adapter->hs_state != HS_ACTIVATED)) {
/* disable FM event mask */
if ((priv->bt_dev.m_dev[FM_SEQ].dev_type == FM_TYPE) &&
test_bit(HCI_RUNNING, &(priv->bt_dev.m_dev[FM_SEQ].flags)))
fm_set_intr_mask(priv, FM_DISABLE_INTR_MASK);
if (BT_STATUS_SUCCESS != bt_enable_hs(priv)) {
PRINTM(CMD, "BT: HS not actived, suspend fail!\n");
if (BT_STATUS_SUCCESS != bt_enable_hs(priv)) {
PRINTM(CMD,
"BT: HS not actived the second time, force to suspend!\n");
}
}
}
m_dev = &(priv->bt_dev.m_dev[BT_SEQ]);
PRINTM(CMD, "BT %s: SDIO suspend\n", m_dev->name);
mbt_hci_suspend_dev(m_dev);
skb_queue_purge(&priv->adapter->tx_queue);
priv->adapter->is_suspended = TRUE;
LEAVE();
/* We will keep the power when hs enabled successfully */
if ((mbt_pm_keep_power) && (priv->adapter->hs_state == HS_ACTIVATED)) {
#ifdef MMC_PM_SKIP_RESUME_PROBE
PRINTM(CMD, "BT: suspend with MMC_PM_KEEP_POWER and "
"MMC_PM_SKIP_RESUME_PROBE\n");
return sdio_set_host_pm_flags(func,
MMC_PM_KEEP_POWER |
MMC_PM_SKIP_RESUME_PROBE);
#else
PRINTM(CMD, "BT: suspend with MMC_PM_KEEP_POWER\n");
return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
#endif
} else {
PRINTM(CMD, "BT: suspend without MMC_PM_KEEP_POWER\n");
return BT_STATUS_SUCCESS;
}
}
