* *
\*****************************************************************************/
-static void sdhci_clear_set_irqs(struct sdhci_host *host, u32 clear, u32 set)
-{
- u32 ier;
-
- ier = sdhci_readl(host, SDHCI_INT_ENABLE);
- ier &= ~clear;
- ier |= set;
- sdhci_writel(host, ier, SDHCI_INT_ENABLE);
- sdhci_writel(host, ier, SDHCI_SIGNAL_ENABLE);
-}
-
-static void sdhci_unmask_irqs(struct sdhci_host *host, u32 irqs)
-{
- sdhci_clear_set_irqs(host, 0, irqs);
-}
-
-static void sdhci_mask_irqs(struct sdhci_host *host, u32 irqs)
-{
- sdhci_clear_set_irqs(host, irqs, 0);
-}
-
static void sdhci_set_card_detection(struct sdhci_host *host, bool enable)
{
- u32 present, irqs;
+ u32 present;
if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) ||
(host->mmc->caps & MMC_CAP_NONREMOVABLE))
return;
- present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
- SDHCI_CARD_PRESENT;
- irqs = present ? SDHCI_INT_CARD_REMOVE : SDHCI_INT_CARD_INSERT;
+ if (enable) {
+ present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
+ SDHCI_CARD_PRESENT;
- if (enable)
- sdhci_unmask_irqs(host, irqs);
- else
- sdhci_mask_irqs(host, irqs);
+ host->ier |= present ? SDHCI_INT_CARD_REMOVE :
+ SDHCI_INT_CARD_INSERT;
+ } else {
+ host->ier &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT);
+ }
+
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
}
static void sdhci_enable_card_detection(struct sdhci_host *host)
sdhci_set_card_detection(host, false);
}
-static void sdhci_reset(struct sdhci_host *host, u8 mask)
+void sdhci_reset(struct sdhci_host *host, u8 mask)
{
unsigned long timeout;
- u32 uninitialized_var(ier);
-
- if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) {
- if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) &
- SDHCI_CARD_PRESENT))
- return;
- }
-
- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET)
- ier = sdhci_readl(host, SDHCI_INT_ENABLE);
-
- if (host->ops->platform_reset_enter)
- host->ops->platform_reset_enter(host, mask);
sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET);
timeout--;
mdelay(1);
}
+}
+EXPORT_SYMBOL_GPL(sdhci_reset);
- if (host->ops->platform_reset_exit)
- host->ops->platform_reset_exit(host, mask);
+static void sdhci_do_reset(struct sdhci_host *host, u8 mask)
+{
+ if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) {
+ if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) &
+ SDHCI_CARD_PRESENT))
+ return;
+ }
- if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET)
- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, ier);
+ host->ops->reset(host, mask);
+
+ if (host->quirks & SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) {
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+ }
if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) {
if ((host->ops->enable_dma) && (mask & SDHCI_RESET_ALL))
static void sdhci_init(struct sdhci_host *host, int soft)
{
if (soft)
- sdhci_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA);
+ sdhci_do_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA);
else
- sdhci_reset(host, SDHCI_RESET_ALL);
+ sdhci_do_reset(host, SDHCI_RESET_ALL);
- sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK,
- SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT |
- SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX |
- SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT |
- SDHCI_INT_DATA_END | SDHCI_INT_RESPONSE);
+ host->ier = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT |
+ SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT |
+ SDHCI_INT_INDEX | SDHCI_INT_END_BIT | SDHCI_INT_CRC |
+ SDHCI_INT_TIMEOUT | SDHCI_INT_DATA_END |
+ SDHCI_INT_RESPONSE;
+
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
if (soft) {
/* force clock reconfiguration */
return 0xE;
/* Unspecified timeout, assume max */
- if (!data && !cmd->cmd_timeout_ms)
+ if (!data && !cmd->busy_timeout)
return 0xE;
/* timeout in us */
if (!data)
- target_timeout = cmd->cmd_timeout_ms * 1000;
+ target_timeout = cmd->busy_timeout * 1000;
else {
target_timeout = data->timeout_ns / 1000;
if (host->clock)
u32 dma_irqs = SDHCI_INT_DMA_END | SDHCI_INT_ADMA_ERROR;
if (host->flags & SDHCI_REQ_USE_DMA)
- sdhci_clear_set_irqs(host, pio_irqs, dma_irqs);
+ host->ier = (host->ier & ~pio_irqs) | dma_irqs;
else
- sdhci_clear_set_irqs(host, dma_irqs, pio_irqs);
+ host->ier = (host->ier & ~dma_irqs) | pio_irqs;
+
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
}
static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd)
* upon error conditions.
*/
if (data->error) {
- sdhci_reset(host, SDHCI_RESET_CMD);
- sdhci_reset(host, SDHCI_RESET_DATA);
+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
}
sdhci_send_command(host, data->stop);
}
timeout = jiffies;
- if (!cmd->data && cmd->cmd_timeout_ms > 9000)
- timeout += DIV_ROUND_UP(cmd->cmd_timeout_ms, 1000) * HZ + HZ;
+ if (!cmd->data && cmd->busy_timeout > 9000)
+ timeout += DIV_ROUND_UP(cmd->busy_timeout, 1000) * HZ + HZ;
else
timeout += 10 * HZ;
mod_timer(&host->timer, timeout);
spin_unlock_irqrestore(&host->lock, flags);
}
+void sdhci_set_bus_width(struct sdhci_host *host, int width)
+{
+ u8 ctrl;
+
+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
+ if (width == MMC_BUS_WIDTH_8) {
+ ctrl &= ~SDHCI_CTRL_4BITBUS;
+ if (host->version >= SDHCI_SPEC_300)
+ ctrl |= SDHCI_CTRL_8BITBUS;
+ } else {
+ if (host->version >= SDHCI_SPEC_300)
+ ctrl &= ~SDHCI_CTRL_8BITBUS;
+ if (width == MMC_BUS_WIDTH_4)
+ ctrl |= SDHCI_CTRL_4BITBUS;
+ else
+ ctrl &= ~SDHCI_CTRL_4BITBUS;
+ }
+ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
+}
+EXPORT_SYMBOL_GPL(sdhci_set_bus_width);
+
static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
{
unsigned long flags;
if (host->ops->platform_send_init_74_clocks)
host->ops->platform_send_init_74_clocks(host, ios->power_mode);
- /*
- * If your platform has 8-bit width support but is not a v3 controller,
- * or if it requires special setup code, you should implement that in
- * platform_bus_width().
- */
- if (host->ops->platform_bus_width) {
- host->ops->platform_bus_width(host, ios->bus_width);
- } else {
- ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
- if (ios->bus_width == MMC_BUS_WIDTH_8) {
- ctrl &= ~SDHCI_CTRL_4BITBUS;
- if (host->version >= SDHCI_SPEC_300)
- ctrl |= SDHCI_CTRL_8BITBUS;
- } else {
- if (host->version >= SDHCI_SPEC_300)
- ctrl &= ~SDHCI_CTRL_8BITBUS;
- if (ios->bus_width == MMC_BUS_WIDTH_4)
- ctrl |= SDHCI_CTRL_4BITBUS;
- else
- ctrl &= ~SDHCI_CTRL_4BITBUS;
- }
- sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
- }
+ host->ops->set_bus_width(host, ios->bus_width);
ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
/* In case of UHS-I modes, set High Speed Enable */
if ((ios->timing == MMC_TIMING_MMC_HS200) ||
+ (ios->timing == MMC_TIMING_MMC_DDR52) ||
(ios->timing == MMC_TIMING_UHS_SDR50) ||
(ios->timing == MMC_TIMING_UHS_SDR104) ||
(ios->timing == MMC_TIMING_UHS_DDR50) ||
ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
else if (ios->timing == MMC_TIMING_UHS_SDR50)
ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
- else if (ios->timing == MMC_TIMING_UHS_DDR50)
+ else if ((ios->timing == MMC_TIMING_UHS_DDR50) ||
+ (ios->timing == MMC_TIMING_MMC_DDR52))
ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
}
* it on each ios seems to solve the problem.
*/
if(host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS)
- sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
+ sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
mmiowb();
spin_unlock_irqrestore(&host->lock, flags);
static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable)
{
- if (host->flags & SDHCI_DEVICE_DEAD)
- goto out;
-
- if (enable)
- host->flags |= SDHCI_SDIO_IRQ_ENABLED;
- else
- host->flags &= ~SDHCI_SDIO_IRQ_ENABLED;
-
- /* SDIO IRQ will be enabled as appropriate in runtime resume */
- if (host->runtime_suspended)
- goto out;
+ if (!(host->flags & SDHCI_DEVICE_DEAD)) {
+ if (enable)
+ host->ier |= SDHCI_INT_CARD_INT;
+ else
+ host->ier &= ~SDHCI_INT_CARD_INT;
- if (enable)
- sdhci_unmask_irqs(host, SDHCI_INT_CARD_INT);
- else
- sdhci_mask_irqs(host, SDHCI_INT_CARD_INT);
-out:
- mmiowb();
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+ mmiowb();
+ }
}
static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
+ sdhci_runtime_pm_get(host);
+
spin_lock_irqsave(&host->lock, flags);
+ if (enable)
+ host->flags |= SDHCI_SDIO_IRQ_ENABLED;
+ else
+ host->flags &= ~SDHCI_SDIO_IRQ_ENABLED;
+
sdhci_enable_sdio_irq_nolock(host, enable);
spin_unlock_irqrestore(&host->lock, flags);
+
+ sdhci_runtime_pm_put(host);
}
static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
{
struct sdhci_host *host;
u16 ctrl;
- u32 ier;
int tuning_loop_counter = MAX_TUNING_LOOP;
unsigned long timeout;
int err = 0;
* to make sure we don't hit a controller bug, we _only_
* enable Buffer Read Ready interrupt here.
*/
- ier = sdhci_readl(host, SDHCI_INT_ENABLE);
- sdhci_clear_set_irqs(host, ier, SDHCI_INT_DATA_AVAIL);
+ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE);
+ sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE);
/*
* Issue CMD19 repeatedly till Execute Tuning is set to 0 or the number
ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
tuning_loop_counter--;
timeout--;
- mdelay(1);
+
+ /* eMMC spec does not require a delay between tuning cycles */
+ if (opcode == MMC_SEND_TUNING_BLOCK)
+ mdelay(1);
} while (ctrl & SDHCI_CTRL_EXEC_TUNING);
/*
host->tuning_count * HZ);
/* Tuning mode 1 limits the maximum data length to 4MB */
mmc->max_blk_count = (4 * 1024 * 1024) / mmc->max_blk_size;
- } else {
+ } else if (host->flags & SDHCI_USING_RETUNING_TIMER) {
host->flags &= ~SDHCI_NEEDS_RETUNING;
/* Reload the new initial value for timer */
- if (host->tuning_mode == SDHCI_TUNING_MODE_1)
- mod_timer(&host->tuning_timer, jiffies +
- host->tuning_count * HZ);
+ mod_timer(&host->tuning_timer, jiffies +
+ host->tuning_count * HZ);
}
/*
if (err && (host->flags & SDHCI_USING_RETUNING_TIMER))
err = 0;
- sdhci_clear_set_irqs(host, SDHCI_INT_DATA_AVAIL, ier);
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
spin_unlock_irqrestore(&host->lock, flags);
sdhci_runtime_pm_put(host);
pr_err("%s: Resetting controller.\n",
mmc_hostname(host->mmc));
- sdhci_reset(host, SDHCI_RESET_CMD);
- sdhci_reset(host, SDHCI_RESET_DATA);
+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
* *
\*****************************************************************************/
-static void sdhci_tasklet_card(unsigned long param)
-{
- struct sdhci_host *host = (struct sdhci_host*)param;
-
- sdhci_card_event(host->mmc);
-
- mmc_detect_change(host->mmc, msecs_to_jiffies(200));
-}
-
static void sdhci_tasklet_finish(unsigned long param)
{
struct sdhci_host *host;
/* Spec says we should do both at the same time, but Ricoh
controllers do not like that. */
- sdhci_reset(host, SDHCI_RESET_CMD);
- sdhci_reset(host, SDHCI_RESET_DATA);
+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
}
host->mrq = NULL;
static irqreturn_t sdhci_irq(int irq, void *dev_id)
{
- irqreturn_t result;
+ irqreturn_t result = IRQ_NONE;
struct sdhci_host *host = dev_id;
- u32 intmask, unexpected = 0;
- int cardint = 0, max_loops = 16;
+ u32 intmask, mask, unexpected = 0;
+ int max_loops = 16;
spin_lock(&host->lock);
- if (host->runtime_suspended) {
+ if (host->runtime_suspended && !sdhci_sdio_irq_enabled(host)) {
spin_unlock(&host->lock);
- pr_warning("%s: got irq while runtime suspended\n",
- mmc_hostname(host->mmc));
- return IRQ_HANDLED;
+ return IRQ_NONE;
}
intmask = sdhci_readl(host, SDHCI_INT_STATUS);
-
if (!intmask || intmask == 0xffffffff) {
result = IRQ_NONE;
goto out;
}
-again:
- DBG("*** %s got interrupt: 0x%08x\n",
- mmc_hostname(host->mmc), intmask);
-
- if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
- u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
- SDHCI_CARD_PRESENT;
-
- /*
- * There is a observation on i.mx esdhc. INSERT bit will be
- * immediately set again when it gets cleared, if a card is
- * inserted. We have to mask the irq to prevent interrupt
- * storm which will freeze the system. And the REMOVE gets
- * the same situation.
- *
- * More testing are needed here to ensure it works for other
- * platforms though.
- */
- sdhci_mask_irqs(host, present ? SDHCI_INT_CARD_INSERT :
- SDHCI_INT_CARD_REMOVE);
- sdhci_unmask_irqs(host, present ? SDHCI_INT_CARD_REMOVE :
- SDHCI_INT_CARD_INSERT);
-
- sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT |
- SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS);
- intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE);
- tasklet_schedule(&host->card_tasklet);
- }
-
- if (intmask & SDHCI_INT_CMD_MASK) {
- sdhci_writel(host, intmask & SDHCI_INT_CMD_MASK,
- SDHCI_INT_STATUS);
- sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
- }
+ do {
+ /* Clear selected interrupts. */
+ mask = intmask & (SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK |
+ SDHCI_INT_BUS_POWER);
+ sdhci_writel(host, mask, SDHCI_INT_STATUS);
- if (intmask & SDHCI_INT_DATA_MASK) {
- sdhci_writel(host, intmask & SDHCI_INT_DATA_MASK,
- SDHCI_INT_STATUS);
- sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
- }
+ DBG("*** %s got interrupt: 0x%08x\n",
+ mmc_hostname(host->mmc), intmask);
- intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK);
+ if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
+ u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
+ SDHCI_CARD_PRESENT;
- intmask &= ~SDHCI_INT_ERROR;
+ /*
+ * There is a observation on i.mx esdhc. INSERT
+ * bit will be immediately set again when it gets
+ * cleared, if a card is inserted. We have to mask
+ * the irq to prevent interrupt storm which will
+ * freeze the system. And the REMOVE gets the
+ * same situation.
+ *
+ * More testing are needed here to ensure it works
+ * for other platforms though.
+ */
+ host->ier &= ~(SDHCI_INT_CARD_INSERT |
+ SDHCI_INT_CARD_REMOVE);
+ host->ier |= present ? SDHCI_INT_CARD_REMOVE :
+ SDHCI_INT_CARD_INSERT;
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+
+ sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT |
+ SDHCI_INT_CARD_REMOVE), SDHCI_INT_STATUS);
+
+ host->thread_isr |= intmask & (SDHCI_INT_CARD_INSERT |
+ SDHCI_INT_CARD_REMOVE);
+ result = IRQ_WAKE_THREAD;
+ }
- if (intmask & SDHCI_INT_BUS_POWER) {
- pr_err("%s: Card is consuming too much power!\n",
- mmc_hostname(host->mmc));
- sdhci_writel(host, SDHCI_INT_BUS_POWER, SDHCI_INT_STATUS);
- }
+ if (intmask & SDHCI_INT_CMD_MASK)
+ sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
- intmask &= ~SDHCI_INT_BUS_POWER;
+ if (intmask & SDHCI_INT_DATA_MASK)
+ sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
- if (intmask & SDHCI_INT_CARD_INT)
- cardint = 1;
+ if (intmask & SDHCI_INT_BUS_POWER)
+ pr_err("%s: Card is consuming too much power!\n",
+ mmc_hostname(host->mmc));
- intmask &= ~SDHCI_INT_CARD_INT;
+ if (intmask & SDHCI_INT_CARD_INT) {
+ sdhci_enable_sdio_irq_nolock(host, false);
+ host->thread_isr |= SDHCI_INT_CARD_INT;
+ result = IRQ_WAKE_THREAD;
+ }
- if (intmask) {
- unexpected |= intmask;
- sdhci_writel(host, intmask, SDHCI_INT_STATUS);
- }
+ intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE |
+ SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK |
+ SDHCI_INT_ERROR | SDHCI_INT_BUS_POWER |
+ SDHCI_INT_CARD_INT);
- result = IRQ_HANDLED;
+ if (intmask) {
+ unexpected |= intmask;
+ sdhci_writel(host, intmask, SDHCI_INT_STATUS);
+ }
- intmask = sdhci_readl(host, SDHCI_INT_STATUS);
+ if (result == IRQ_NONE)
+ result = IRQ_HANDLED;
- /*
- * If we know we'll call the driver to signal SDIO IRQ, disregard
- * further indications of Card Interrupt in the status to avoid a
- * needless loop.
- */
- if (cardint)
- intmask &= ~SDHCI_INT_CARD_INT;
- if (intmask && --max_loops)
- goto again;
+ intmask = sdhci_readl(host, SDHCI_INT_STATUS);
+ } while (intmask && --max_loops);
out:
spin_unlock(&host->lock);
mmc_hostname(host->mmc), unexpected);
sdhci_dumpregs(host);
}
- /*
- * We have to delay this as it calls back into the driver.
- */
- if (cardint)
- mmc_signal_sdio_irq(host->mmc);
return result;
}
+static irqreturn_t sdhci_thread_irq(int irq, void *dev_id)
+{
+ struct sdhci_host *host = dev_id;
+ unsigned long flags;
+ u32 isr;
+
+ spin_lock_irqsave(&host->lock, flags);
+ isr = host->thread_isr;
+ host->thread_isr = 0;
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
+ sdhci_card_event(host->mmc);
+ mmc_detect_change(host->mmc, msecs_to_jiffies(200));
+ }
+
+ if (isr & SDHCI_INT_CARD_INT) {
+ sdio_run_irqs(host->mmc);
+
+ spin_lock_irqsave(&host->lock, flags);
+ if (host->flags & SDHCI_SDIO_IRQ_ENABLED)
+ sdhci_enable_sdio_irq_nolock(host, true);
+ spin_unlock_irqrestore(&host->lock, flags);
+ }
+
+ return isr ? IRQ_HANDLED : IRQ_NONE;
+}
+
/*****************************************************************************\
* *
* Suspend/resume *
}
if (!device_may_wakeup(mmc_dev(host->mmc))) {
- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK);
+ host->ier = 0;
+ sdhci_writel(host, 0, SDHCI_INT_ENABLE);
+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE);
free_irq(host->irq, host);
} else {
sdhci_enable_irq_wakeups(host);
}
if (!device_may_wakeup(mmc_dev(host->mmc))) {
- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED,
- mmc_hostname(host->mmc), host);
+ ret = request_threaded_irq(host->irq, sdhci_irq,
+ sdhci_thread_irq, IRQF_SHARED,
+ mmc_hostname(host->mmc), host);
if (ret)
return ret;
} else {
}
spin_lock_irqsave(&host->lock, flags);
- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK);
+ host->ier &= SDHCI_INT_CARD_INT;
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
spin_unlock_irqrestore(&host->lock, flags);
- synchronize_irq(host->irq);
+ synchronize_hardirq(host->irq);
spin_lock_irqsave(&host->lock, flags);
host->runtime_suspended = true;
host->runtime_suspended = false;
/* Enable SDIO IRQ */
- if ((host->flags & SDHCI_SDIO_IRQ_ENABLED))
+ if (host->flags & SDHCI_SDIO_IRQ_ENABLED)
sdhci_enable_sdio_irq_nolock(host, true);
/* Enable Card Detection */
if (debug_quirks2)
host->quirks2 = debug_quirks2;
- sdhci_reset(host, SDHCI_RESET_ALL);
+ sdhci_do_reset(host, SDHCI_RESET_ALL);
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
host->version = (host->version & SDHCI_SPEC_VER_MASK)
if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
host->timeout_clk = mmc->f_max / 1000;
- mmc->max_discard_to = (1 << 27) / host->timeout_clk;
+ mmc->max_busy_timeout = (1 << 27) / host->timeout_clk;
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
+ mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12)
host->flags |= SDHCI_AUTO_CMD12;
} else if (caps[1] & SDHCI_SUPPORT_SDR50)
mmc->caps |= MMC_CAP_UHS_SDR50;
- if (caps[1] & SDHCI_SUPPORT_DDR50)
+ if ((caps[1] & SDHCI_SUPPORT_DDR50) &&
+ !(host->quirks2 & SDHCI_QUIRK2_BROKEN_DDR50))
mmc->caps |= MMC_CAP_UHS_DDR50;
/* Does the host need tuning for SDR50? */
/*
* Init tasklets.
*/
- tasklet_init(&host->card_tasklet,
- sdhci_tasklet_card, (unsigned long)host);
tasklet_init(&host->finish_tasklet,
sdhci_tasklet_finish, (unsigned long)host);
sdhci_init(host, 0);
- ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED,
- mmc_hostname(mmc), host);
+ ret = request_threaded_irq(host->irq, sdhci_irq, sdhci_thread_irq,
+ IRQF_SHARED, mmc_hostname(mmc), host);
if (ret) {
pr_err("%s: Failed to request IRQ %d: %d\n",
mmc_hostname(mmc), host->irq, ret);
#ifdef SDHCI_USE_LEDS_CLASS
reset:
- sdhci_reset(host, SDHCI_RESET_ALL);
- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK);
+ sdhci_do_reset(host, SDHCI_RESET_ALL);
+ sdhci_writel(host, 0, SDHCI_INT_ENABLE);
+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE);
free_irq(host->irq, host);
#endif
untasklet:
- tasklet_kill(&host->card_tasklet);
tasklet_kill(&host->finish_tasklet);
return ret;
#endif
if (!dead)
- sdhci_reset(host, SDHCI_RESET_ALL);
+ sdhci_do_reset(host, SDHCI_RESET_ALL);
- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK);
+ sdhci_writel(host, 0, SDHCI_INT_ENABLE);
+ sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE);
free_irq(host->irq, host);
del_timer_sync(&host->timer);
- tasklet_kill(&host->card_tasklet);
tasklet_kill(&host->finish_tasklet);
if (host->vmmc) {
projects / deliverable / linux.git / blobdiff