static int sdhci_pm_resume(struct device *dev) {
int retval = 0;
unsigned long flags;
struct platform_device *pdev = container_of(dev, struct platform_device, dev);
struct sdhci_host *host = platform_get_drvdata(pdev);
struct mmc_host *mmc = host->mmc;
spin_lock_irqsave(&host->lock, flags);
if(host->ops->set_clock)
host->ops->set_clock(host, 1);
spin_unlock_irqrestore(&host->lock, flags);
#ifdef CONFIG_MMC_HOST_WAKEUP_SUPPORTED
if(!strcmp(host->hw_name, "Spread SDIO host1")) {
sdhci_host_wakeup_clear(host);
}
#endif
retval = sdhci_resume_host(host);
if(!retval) {
#ifdef CONFIG_PM_RUNTIME
if(pm_runtime_enabled(dev))
pm_runtime_put_autosuspend(dev);
#endif
}
return retval;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
sdhci_resume_host(host);
return 0;
}
static int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
int ret;
ret = sdhci_suspend_host(host, state);
if (ret) {
dev_err(&dev->dev, "suspend failed, error = %d\n", ret);
return ret;
}
#if defined (CONFIG_MACH_STAR) //
if(host->irq==INT_SDMMC1)
enable_irq_wake(host->irq);
#endif
if (host->ops && host->ops->suspend)
ret = host->ops->suspend(host, state);
if (ret) {
dev_err(&dev->dev, "suspend hook failed, error = %d\n", ret);
sdhci_resume_host(host);
#if defined (CONFIG_MACH_STAR) //
if(host->irq == INT_SDMMC1)
disable_irq_wake(host->irq);
#endif
}
return ret;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
struct sdhci_s3c *sc = sdhci_priv(host);
/* add by cym 20130328 */
#if MMC2_SKIP_SUSPEND
/* mmc2 is s3c_device_hsmmc3 */
if (2 == host->mmc->index) {
printk(KERN_INFO "skip %s for %s dev->id(%d)\n", __func__, mmc_hostname(host->mmc), dev->id);
return 0;
}
else {
printk(KERN_INFO "%s for %s dev->id(%d)\n", __func__, mmc_hostname(host->mmc), dev->id);
}
#endif
/* end add */
sdhci_resume_host(host);
/* add by cym 20130328 */
#ifndef MMC2_SKIP_SUSPEND
/* end add */
if(!(host->mmc->caps & MMC_CAP_NONREMOVABLE)){//lisw hotplug during suspend
int status = gpio_get_value(sc->ext_cd_gpio);
if (sc->pdata->ext_cd_gpio_invert)
status = !status;
sdhci_s3c_notify_change(sc->pdev, status);
}
/* add by cym 20130328 */
#endif
/* end add */
return 0;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
#if defined(CONFIG_WIMAX_CMC)/* && defined(CONFIG_TARGET_LOCALE_NA)*/
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
u32 ier;
#endif
#ifdef CONFIG_MACH_MIDAS_01_BD
/* turn vdd_tflash off if a card exists*/
if (sdhci_s3c_get_card_exist(host))
sdhci_s3c_vtf_on_off(1);
else
sdhci_s3c_vtf_on_off(0);
#endif
sdhci_resume_host(host);
#if defined(CONFIG_WIMAX_CMC)/* && defined(CONFIG_TARGET_LOCALE_NA)*/
if (pdata->enable_intr_on_resume) {
ier = sdhci_readl(host, SDHCI_INT_ENABLE);
ier |= SDHCI_INT_CARD_INT;
sdhci_writel(host, ier, SDHCI_INT_ENABLE);
sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE);
}
#endif
return 0;
}
static int sdhci_acpi_resume(struct device *dev)
{
struct sdhci_acpi_host *c = dev_get_drvdata(dev);
sdhci_acpi_byt_setting(&c->pdev->dev);
return sdhci_resume_host(c->host);
}
static int tegra_sdhci_resume(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
int ret;
tegra_sdhci_enable_clock(host, 1);
ret = sdhci_resume_host(host->sdhci);
if (ret)
pr_err("%s: failed, error = %d\n", __func__, ret);
return ret;
}
static int sdhci_pxav3_resume(struct device *dev)
{
int ret;
struct sdhci_host *host = dev_get_drvdata(dev);
pm_runtime_get_sync(dev);
ret = sdhci_resume_host(host);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
return ret;
}
static int sdhci_pltfm_resume(struct platform_device *pdev)
{
struct sdio_dev *dev = platform_get_drvdata(pdev);
struct sdhci_host *host = dev->host;
/*
* If the device type is WIFI, and WiFi is enabled,
* turn on the clock since currently
* the WIFI driver does not support turning on/off the
* clock dynamicly.
*/
if (dev->devtype == SDIO_DEV_TYPE_WIFI && sdhci_test_sdio_enabled(dev))
sdhci_pltfm_clk_enable(host, 1);
#if 0
if (dev->devtype == SDIO_DEV_TYPE_SDMMC && dev->cd_gpio >= 0) {
ret =
request_irq(gpio_to_irq(dev->cd_gpio),
sdhci_pltfm_cd_interrupt,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"sdio cd", dev);
if (ret) {
dev_err(&pdev->dev, "Unable to request card detection "
"irq=%d for gpio=%d\n",
gpio_to_irq(dev->cd_gpio), dev->cd_gpio);
return ret;
}
}
#endif
#ifndef CONFIG_MMC_UNSAFE_RESUME
/*
* card state might have been changed during system suspend.
* Need to sync up only if MMC_UNSAFE_RESUME is not enabled
*/
if (dev->devtype == SDIO_DEV_TYPE_SDMMC && dev->cd_gpio >= 0) {
if (gpio_get_value_cansleep(dev->cd_gpio) == 0)
bcm_kona_sd_card_emulate(dev, 1);
else
bcm_kona_sd_card_emulate(dev, 0);
}
#endif
dev->suspended = 0;
if (dev->devtype == SDIO_DEV_TYPE_WIFI) {
printk(KERN_DEBUG "%s: WiFi resume\n", __FUNCTION__);
sdhci_resume_host(host);
}
return 0;
}
static int sdhci_sirf_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
int ret;
ret = clk_enable(pltfm_host->clk);
if (ret) {
dev_dbg(dev, "Resume: Error enabling clock\n");
return ret;
}
return sdhci_resume_host(host);
}
static int sdhci_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct spear_sdhci *sdhci = dev_get_platdata(dev);
int ret;
ret = clk_enable(sdhci->clk);
if (ret) {
dev_dbg(dev, "Resume: Error enabling clock\n");
return ret;
}
return sdhci_resume_host(host);
}
static int tegra_sdhci_resume(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
int ret;
#ifdef CONFIG_MACH_SAMSUNG_VARIATION_TEGRA
int i, present;
#endif
u8 pwr;
if (host->card_always_on && is_card_sdio(host->sdhci->mmc->card)) {
int ret = 0;
if (device_may_wakeup(&pdev->dev)) {
disable_irq_wake(host->sdhci->irq);
}
/* soft reset SD host controller and enable interrupts */
ret = tegra_sdhci_restore(host->sdhci);
if (ret) {
pr_err("%s: failed, error = %d\n", __func__, ret);
return ret;
}
mmiowb();
#ifdef CONFIG_MACH_SAMSUNG_VARIATION_TEGRA
for(i=0;i<20;i++){
present = sdhci_readl(host->sdhci, SDHCI_PRESENT_STATE);
if((present & SDHCI_CARD_PRESENT) == SDHCI_CARD_PRESENT)
break;
mdelay(5);
// printk(KERN_ERR "MMC : %s : 6(Card Presnet %x) : %d \n",mmc_hostname(host->sdhci->mmc),present,i);
}
#endif
host->sdhci->mmc->ops->set_ios(host->sdhci->mmc,
&host->sdhci->mmc->ios);
return 0;
}
tegra_sdhci_enable_clock(host, 1);
pwr = SDHCI_POWER_ON;
sdhci_writeb(host->sdhci, pwr, SDHCI_POWER_CONTROL);
host->sdhci->pwr = 0;
ret = sdhci_resume_host(host->sdhci);
if (ret)
pr_err("%s: failed, error = %d\n", __func__, ret);
return ret;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
#ifdef CONFIG_MACH_MIDAS_01_BD
/* turn vdd_tflash off if a card exists*/
if (sdhci_s3c_get_card_exist(host))
sdhci_s3c_vtf_on_off(1);
else
sdhci_s3c_vtf_on_off(0);
#endif
sdhci_resume_host(host);
return 0;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
int ret;
sdhci_resume_host(host);
if(pdata && pdata->cfg_ext_cd){
ret = request_irq(pdata->ext_cd, sdhci_irq_cd, IRQF_SHARED, mmc_hostname(host->mmc), sdhci_priv(host));
if(ret)
return ret;
}
return 0;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
u32 ier;
sdhci_resume_host(host);
if (pdata->enable_intr_on_resume) {
ier = sdhci_readl(host, SDHCI_INT_ENABLE);
ier |= SDHCI_INT_CARD_INT;
sdhci_writel(host, ier, SDHCI_INT_ENABLE);
sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE);
}
return 0;
}
static int sdhci_pltfm_resume(struct device *device)
{
struct sdio_dev *dev =
platform_get_drvdata(to_platform_device(device));
struct sdhci_host *host = dev->host;
int ret = 0;
if (sdhci_pltfm_rpm_enabled(dev)) {
/*
* Note that we havent done a put_sync. The
* pm core takes care of that.
*/
pm_runtime_get_sync(dev->dev);
} else {
ret = sdhci_pltfm_clk_enable(dev, 1);
if (ret) {
dev_err(dev->dev,
"Failed to enable clock during resume\n");
return -EAGAIN;
}
}
ret = sdhci_resume_host(host);
if (ret) {
dev_err(dev->dev,
"Unable to resume sdhci host err=%d\n", ret);
return ret;
}
if (!sdhci_pltfm_rpm_enabled(dev)) {
ret = sdhci_pltfm_clk_enable(dev, 0);
if (ret) {
dev_err(dev->dev,
"Failed to disable clock during resume\n");
/* Not really a big error to cry and return*/
}
}
dev->suspended = 0;
if (dev->devtype == SDIO_DEV_TYPE_EMMC)
host->mmc->pm_flags |= MMC_PM_KEEP_POWER;
return 0;
}
static int sdhci_s3c_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
sdhci_resume_host(host);
#if defined(CONFIG_WIMAX_CMC) && defined(CONFIG_TARGET_LOCALE_NA)
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
u32 ier;
if (pdata->enable_intr_on_resume) {
ier = sdhci_readl(host, SDHCI_INT_ENABLE);
ier |= SDHCI_INT_CARD_INT;
sdhci_writel(host, ier, SDHCI_INT_ENABLE);
sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE);
}
#endif
return 0;
}
static int sdhci_pltfm_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
int ret = 0;
if (host->ops && host->ops->resume)
ret = host->ops->resume(host);
if (ret) {
dev_err(dev, "resume hook failed, error = %d\n", ret);
return ret;
}
ret = sdhci_resume_host(host);
if (ret)
dev_err(dev, "resume failed, error = %d\n", ret);
return ret;
}
static int tegra_sdhci_resume(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
int ret;
u8 pwr;
MMC_printk("%s:+", mmc_hostname(host->sdhci->mmc));
if ((host->card_always_on && is_card_sdio(host->sdhci->mmc->card))||is_card_mmc(host->sdhci->mmc->card)) {
int ret = 0;
if (device_may_wakeup(&pdev->dev)) {
disable_irq_wake(host->sdhci->irq);
}
/* soft reset SD host controller and enable interrupts */
ret = tegra_sdhci_restore(host->sdhci);
if (ret) {
pr_err("%s: failed, error = %d\n", __func__, ret);
return ret;
}
mmiowb();
host->sdhci->mmc->ops->set_ios(host->sdhci->mmc,
&host->sdhci->mmc->ios);
printk("tegra_sdhci_suspend: skip %s resume(always on)!\n",is_card_mmc(host->sdhci->mmc->card)?"eMMC":"SDIO");
return 0;
}
tegra_sdhci_enable_clock(host, 1);
pwr = SDHCI_POWER_ON;
sdhci_writeb(host->sdhci, pwr, SDHCI_POWER_CONTROL);
host->sdhci->pwr = 0;
ret = sdhci_resume_host(host->sdhci);
if (ret)
pr_err("%s: failed, error = %d\n", __func__, ret);
MMC_printk("%s:-", mmc_hostname(host->sdhci->mmc));
return ret;
}
static int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
int ret;
ret = sdhci_suspend_host(host, state);
if (ret) {
dev_err(&dev->dev, "suspend failed, error = %d\n", ret);
return ret;
}
if (host->ops && host->ops->suspend)
ret = host->ops->suspend(host, state);
if (ret) {
dev_err(&dev->dev, "suspend hook failed, error = %d\n", ret);
sdhci_resume_host(host);
}
return ret;
}
static int sdhci_pltfm_suspend(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
int ret;
ret = sdhci_suspend_host(host);
if (ret) {
dev_err(dev, "suspend failed, error = %d\n", ret);
return ret;
}
if (host->ops && host->ops->suspend)
ret = host->ops->suspend(host);
if (ret) {
dev_err(dev, "suspend hook failed, error = %d\n", ret);
sdhci_resume_host(host);
}
return ret;
}
static int sdhci_pltfm_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
int ret = 0;
MMC_printk("%s: ++", mmc_hostname(host->mmc));
if (host->ops && host->ops->resume)
ret = host->ops->resume(host);
if (ret) {
dev_err(&dev->dev, "resume hook failed, error = %d\n", ret);
return ret;
}
ret = sdhci_resume_host(host);
if (ret)
dev_err(&dev->dev, "resume failed, error = %d\n", ret);
MMC_printk("%s: --", mmc_hostname(host->mmc));
return ret;
}
/**
* xsdhcips_resume - Resume method for the driver
* @dev: Address of the device structure
* Returns 0 on success and error value on error
*
* Resume operation after suspend
*/
static int xsdhcips_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct xsdhcips *xsdhcips = pltfm_host->priv;
int ret;
ret = clk_enable(xsdhcips->aperclk);
if (ret) {
dev_err(dev, "Cannot enable APER clock.\n");
return ret;
}
ret = clk_enable(xsdhcips->devclk);
if (ret) {
dev_err(dev, "Cannot enable device clock.\n");
clk_disable(xsdhcips->aperclk);
return ret;
}
return sdhci_resume_host(host);
}
static int sdhci_pm_resume(struct device *dev) {
int retval = 0;
unsigned long flags;
struct platform_device *pdev = container_of(dev, struct platform_device, dev);
struct sdhci_host *host = platform_get_drvdata(pdev);
printk("%s: %s enter\n", mmc_hostname(host->mmc), __func__);
if(is_wifi_slot(host) || is_cbp_slot(host) || is_sd_slot(host)) {
sdhci_sprd_set_base_clock(host);
}
spin_lock_irqsave(&host->lock, flags);
if(host->ops->set_clock)
host->ops->set_clock(host, 1);
spin_unlock_irqrestore(&host->lock, flags);
if(is_wifi_slot(host))
{
printk("[WLAN] resume read REG_AP_CLK_AP_AHB_CFG is %x\n",__raw_readl(REG_AP_CLK_AP_AHB_CFG));
printk("[WLAN] resume read REG_AP_CLK_SDIO1_CFG is %x\n",__raw_readl(REG_AP_CLK_SDIO1_CFG));
}
#ifdef CONFIG_MMC_HOST_WAKEUP_SUPPORTED
if (pdev->id == 1)
sdhci_host_wakeup_clear(host);
#endif
retval = sdhci_resume_host(host);
#ifdef CONFIG_PM_RUNTIME
if(pm_runtime_enabled(dev))
pm_runtime_put_autosuspend(dev);
#endif
if(is_wifi_slot(host))
{
dhd_mmc_suspend = 0;
printk("[WLAN] %s,dhd_mmc_suspend=%d\n",__func__,dhd_mmc_suspend);
}
printk("%s: %s leave retval %d\n", mmc_hostname(host->mmc), __func__, retval);
return retval;
}
static int sdhci_pltfm_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
int ret = 0;
#if defined (CONFIG_MACH_STAR) //
if(host->irq==INT_SDMMC1)
disable_irq_wake(host->irq);
#endif
if (host->ops && host->ops->resume)
ret = host->ops->resume(host);
if (ret) {
dev_err(&dev->dev, "resume hook failed, error = %d\n", ret);
return ret;
}
ret = sdhci_resume_host(host);
if (ret)
dev_err(&dev->dev, "resume failed, error = %d\n", ret);
return ret;
}
static int tegra_sdhci_resume(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
int ret;
u8 pwr;
if (host->card_always_on && is_card_sdio(host->sdhci->mmc->card)) {
int ret = 0;
if (device_may_wakeup(&pdev->dev)) {
disable_irq_wake(host->sdhci->irq);
}
/* soft reset SD host controller and enable interrupts */
ret = tegra_sdhci_restore(host->sdhci);
if (ret) {
pr_err("%s: failed, error = %d\n", __func__, ret);
return ret;
}
mmiowb();
host->sdhci->mmc->ops->set_ios(host->sdhci->mmc,
&host->sdhci->mmc->ios);
return 0;
}
if (host->cd_gpio != -1) {
bool card_status_before_suspend = host->card_present;
if (host->cd_gpio != -1) {
host->card_present = host->card_present_old = (gpio_get_value(host->cd_gpio) == host->cd_gpio_polarity);
}
pr_info("%s: card_status_before_suspend=%d, card_present=%d \n", __func__, card_status_before_suspend, host->card_present);
if (card_status_before_suspend != host->card_present) {
if (!host->card_present) {
#ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME
mmc_set_bus_resume_policy(host->sdhci->mmc, 0);
#endif
}
}
}
tegra_sdhci_enable_clock(host, 1);
pwr = SDHCI_POWER_ON;
sdhci_writeb(host->sdhci, pwr, SDHCI_POWER_CONTROL);
host->sdhci->pwr = 0;
/*
* Set disable_delay
* to enable mmc_schedule_delay_work
*/
mmc_set_disable_delay(host->sdhci->mmc, 5);
ret = sdhci_resume_host(host->sdhci);
if (ret)
pr_err("%s: failed, error = %d\n", __func__, ret);
if (host->irq_cd != -1)
enable_irq(host->irq_cd);
return ret;
}
static int sdhci_s3c_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
return sdhci_resume_host(host);
}
int sdhci_pltfm_resume(struct platform_device *dev)
{
struct sdhci_host *host = platform_get_drvdata(dev);
return sdhci_resume_host(host);
}
static int sdhci_acpi_resume(struct device *dev)
{
struct sdhci_acpi_host *c = dev_get_drvdata(dev);
return sdhci_resume_host(c->host);
}