sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
}
-static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd)
+static void sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd)
{
u8 count;
+
+ if (host->ops->set_timeout) {
+ host->ops->set_timeout(host, cmd);
+ } else {
+ count = sdhci_calc_timeout(host, cmd);
+ sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL);
+ }
+}
+
+static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd)
+{
u8 ctrl;
struct mmc_data *data = cmd->data;
int ret;
WARN_ON(host->data);
- if (data || (cmd->flags & MMC_RSP_BUSY)) {
- count = sdhci_calc_timeout(host, cmd);
- sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL);
- }
+ if (data || (cmd->flags & MMC_RSP_BUSY))
+ sdhci_set_timeout(host, cmd);
if (!data)
return;
clock_set:
if (real_div)
host->mmc->actual_clock = (host->max_clk * clk_mul) / real_div;
-
clk |= (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
<< SDHCI_DIVIDER_HI_SHIFT;
static void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
unsigned short vdd)
{
+ struct mmc_host *mmc = host->mmc;
u8 pwr = 0;
+ if (!IS_ERR(mmc->supply.vmmc)) {
+ spin_unlock_irq(&host->lock);
+ mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
+ spin_lock_irq(&host->lock);
+ return;
+ }
+
if (mode != MMC_POWER_OFF) {
switch (1 << vdd) {
case MMC_VDD_165_195:
if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER)
mdelay(10);
}
-
- if (host->vmmc) {
- spin_unlock_irq(&host->lock);
- mmc_regulator_set_ocr(host->mmc, host->vmmc, vdd);
- spin_lock_irq(&host->lock);
- }
}
/*****************************************************************************\
{
unsigned long flags;
u8 ctrl;
+ struct mmc_host *mmc = host->mmc;
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD) {
spin_unlock_irqrestore(&host->lock, flags);
- if (host->vmmc && ios->power_mode == MMC_POWER_OFF)
- mmc_regulator_set_ocr(host->mmc, host->vmmc, 0);
+ if (!IS_ERR(mmc->supply.vmmc) &&
+ ios->power_mode == MMC_POWER_OFF)
+ mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
return;
}
if (!ios->clock || ios->clock != host->clock) {
host->ops->set_clock(host, ios->clock);
host->clock = ios->clock;
+
+ if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK &&
+ host->clock) {
+ host->timeout_clk = host->mmc->actual_clock ?
+ host->mmc->actual_clock / 1000 :
+ host->clock / 1000;
+ host->mmc->max_busy_timeout =
+ host->ops->get_max_timeout_count ?
+ host->ops->get_max_timeout_count(host) :
+ 1 << 27;
+ host->mmc->max_busy_timeout /= host->timeout_clk;
+ }
}
sdhci_set_power(host, ios->power_mode, ios->vdd);
host->ops->set_clock(host, host->clock);
}
-
/* Reset SD Clock Enable */
clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
clk &= ~SDHCI_CLOCK_CARD_EN;
static int sdhci_do_start_signal_voltage_switch(struct sdhci_host *host,
struct mmc_ios *ios)
{
+ struct mmc_host *mmc = host->mmc;
u16 ctrl;
int ret;
ctrl &= ~SDHCI_CTRL_VDD_180;
sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
- if (host->vqmmc) {
- ret = regulator_set_voltage(host->vqmmc, 2700000, 3600000);
+ if (!IS_ERR(mmc->supply.vqmmc)) {
+ ret = regulator_set_voltage(mmc->supply.vqmmc, 2700000,
+ 3600000);
if (ret) {
pr_warning("%s: Switching to 3.3V signalling voltage "
- " failed\n", mmc_hostname(host->mmc));
+ " failed\n", mmc_hostname(mmc));
return -EIO;
}
}
return 0;
pr_warning("%s: 3.3V regulator output did not became stable\n",
- mmc_hostname(host->mmc));
+ mmc_hostname(mmc));
return -EAGAIN;
case MMC_SIGNAL_VOLTAGE_180:
- if (host->vqmmc) {
- ret = regulator_set_voltage(host->vqmmc,
+ if (!IS_ERR(mmc->supply.vqmmc)) {
+ ret = regulator_set_voltage(mmc->supply.vqmmc,
1700000, 1950000);
if (ret) {
pr_warning("%s: Switching to 1.8V signalling voltage "
- " failed\n", mmc_hostname(host->mmc));
+ " failed\n", mmc_hostname(mmc));
return -EIO;
}
}
ctrl |= SDHCI_CTRL_VDD_180;
sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
- /* Wait for 5ms */
- usleep_range(5000, 5500);
-
/* 1.8V regulator output should be stable within 5 ms */
ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2);
if (ctrl & SDHCI_CTRL_VDD_180)
return 0;
pr_warning("%s: 1.8V regulator output did not became stable\n",
- mmc_hostname(host->mmc));
+ mmc_hostname(mmc));
return -EAGAIN;
case MMC_SIGNAL_VOLTAGE_120:
- if (host->vqmmc) {
- ret = regulator_set_voltage(host->vqmmc, 1100000, 1300000);
+ if (!IS_ERR(mmc->supply.vqmmc)) {
+ ret = regulator_set_voltage(mmc->supply.vqmmc, 1100000,
+ 1300000);
if (ret) {
pr_warning("%s: Switching to 1.2V signalling voltage "
- " failed\n", mmc_hostname(host->mmc));
+ " failed\n", mmc_hostname(mmc));
return -EIO;
}
}
* above in sdhci_cmd_irq().
*/
if (host->cmd && (host->cmd->flags & MMC_RSP_BUSY)) {
+ if (intmask & SDHCI_INT_DATA_TIMEOUT) {
+ host->cmd->error = -ETIMEDOUT;
+ tasklet_schedule(&host->finish_tasklet);
+ return;
+ }
if (intmask & SDHCI_INT_DATA_END) {
sdhci_finish_command(host);
return;
}
EXPORT_SYMBOL_GPL(sdhci_enable_irq_wakeups);
-void sdhci_disable_irq_wakeups(struct sdhci_host *host)
+static void sdhci_disable_irq_wakeups(struct sdhci_host *host)
{
u8 val;
u8 mask = SDHCI_WAKE_ON_INSERT | SDHCI_WAKE_ON_REMOVE
val &= ~mask;
sdhci_writeb(host, val, SDHCI_WAKE_UP_CONTROL);
}
-EXPORT_SYMBOL_GPL(sdhci_disable_irq_wakeups);
int sdhci_suspend_host(struct sdhci_host *host)
{
int sdhci_runtime_suspend_host(struct sdhci_host *host)
{
unsigned long flags;
- int ret = 0;
/* Disable tuning since we are suspending */
if (host->flags & SDHCI_USING_RETUNING_TIMER) {
host->runtime_suspended = true;
spin_unlock_irqrestore(&host->lock, flags);
- return ret;
+ return 0;
}
EXPORT_SYMBOL_GPL(sdhci_runtime_suspend_host);
int sdhci_runtime_resume_host(struct sdhci_host *host)
{
unsigned long flags;
- int ret = 0, host_flags = host->flags;
+ int host_flags = host->flags;
if (host_flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) {
if (host->ops->enable_dma)
spin_unlock_irqrestore(&host->lock, flags);
- return ret;
+ return 0;
}
EXPORT_SYMBOL_GPL(sdhci_runtime_resume_host);
* (128) and potentially one alignment transfer for
* each of those entries.
*/
- host->adma_desc = dma_alloc_coherent(mmc_dev(host->mmc),
+ host->adma_desc = dma_alloc_coherent(mmc_dev(mmc),
ADMA_SIZE, &host->adma_addr,
GFP_KERNEL);
host->align_buffer = kmalloc(128 * 4, GFP_KERNEL);
if (!host->adma_desc || !host->align_buffer) {
- dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
+ dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
host->adma_desc, host->adma_addr);
kfree(host->align_buffer);
pr_warning("%s: Unable to allocate ADMA "
pr_warning("%s: unable to allocate aligned ADMA descriptor\n",
mmc_hostname(mmc));
host->flags &= ~SDHCI_USE_ADMA;
- dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
+ dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
host->adma_desc, host->adma_addr);
kfree(host->align_buffer);
host->adma_desc = NULL;
*/
if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) {
host->dma_mask = DMA_BIT_MASK(64);
- mmc_dev(host->mmc)->dma_mask = &host->dma_mask;
+ mmc_dev(mmc)->dma_mask = &host->dma_mask;
}
if (host->version >= SDHCI_SPEC_300)
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
- host->timeout_clk =
- (caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
- if (host->timeout_clk == 0) {
- if (host->ops->get_timeout_clock) {
- host->timeout_clk = host->ops->get_timeout_clock(host);
- } else if (!(host->quirks &
- SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
- pr_err("%s: Hardware doesn't specify timeout clock "
- "frequency.\n", mmc_hostname(mmc));
- return -ENODEV;
+ if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
+ host->timeout_clk = (caps[0] & SDHCI_TIMEOUT_CLK_MASK) >>
+ SDHCI_TIMEOUT_CLK_SHIFT;
+ if (host->timeout_clk == 0) {
+ if (host->ops->get_timeout_clock) {
+ host->timeout_clk =
+ host->ops->get_timeout_clock(host);
+ } else {
+ pr_err("%s: Hardware doesn't specify timeout clock frequency.\n",
+ mmc_hostname(mmc));
+ return -ENODEV;
+ }
}
- }
- if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
- host->timeout_clk *= 1000;
- if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
- host->timeout_clk = mmc->f_max / 1000;
+ if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
+ host->timeout_clk *= 1000;
- mmc->max_busy_timeout = (1 << 27) / host->timeout_clk;
+ mmc->max_busy_timeout = host->ops->get_max_timeout_count ?
+ host->ops->get_max_timeout_count(host) : 1 << 27;
+ mmc->max_busy_timeout /= host->timeout_clk;
+ }
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) &&
- !(host->mmc->caps & MMC_CAP_NONREMOVABLE))
+ !(mmc->caps & MMC_CAP_NONREMOVABLE))
mmc->caps |= MMC_CAP_NEEDS_POLL;
+ /* If there are external regulators, get them */
+ if (mmc_regulator_get_supply(mmc) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
/* If vqmmc regulator and no 1.8V signalling, then there's no UHS */
- host->vqmmc = regulator_get_optional(mmc_dev(mmc), "vqmmc");
- if (IS_ERR_OR_NULL(host->vqmmc)) {
- if (PTR_ERR(host->vqmmc) < 0) {
- pr_info("%s: no vqmmc regulator found\n",
- mmc_hostname(mmc));
- host->vqmmc = NULL;
- }
- } else {
- ret = regulator_enable(host->vqmmc);
- if (!regulator_is_supported_voltage(host->vqmmc, 1700000,
- 1950000))
+ if (!IS_ERR(mmc->supply.vqmmc)) {
+ ret = regulator_enable(mmc->supply.vqmmc);
+ if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 1700000,
+ 1950000))
caps[1] &= ~(SDHCI_SUPPORT_SDR104 |
SDHCI_SUPPORT_SDR50 |
SDHCI_SUPPORT_DDR50);
if (ret) {
pr_warn("%s: Failed to enable vqmmc regulator: %d\n",
mmc_hostname(mmc), ret);
- host->vqmmc = NULL;
+ mmc->supply.vqmmc = NULL;
}
}
ocr_avail = 0;
- host->vmmc = regulator_get_optional(mmc_dev(mmc), "vmmc");
- if (IS_ERR_OR_NULL(host->vmmc)) {
- if (PTR_ERR(host->vmmc) < 0) {
- pr_info("%s: no vmmc regulator found\n",
- mmc_hostname(mmc));
- host->vmmc = NULL;
- }
- }
-
-#ifdef CONFIG_REGULATOR
- /*
- * Voltage range check makes sense only if regulator reports
- * any voltage value.
- */
- if (host->vmmc && regulator_get_voltage(host->vmmc) > 0) {
- ret = regulator_is_supported_voltage(host->vmmc, 2700000,
- 3600000);
- if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_330)))
- caps[0] &= ~SDHCI_CAN_VDD_330;
- if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_300)))
- caps[0] &= ~SDHCI_CAN_VDD_300;
- ret = regulator_is_supported_voltage(host->vmmc, 1700000,
- 1950000);
- if ((ret <= 0) || (!(caps[0] & SDHCI_CAN_VDD_180)))
- caps[0] &= ~SDHCI_CAN_VDD_180;
- }
-#endif /* CONFIG_REGULATOR */
-
/*
* According to SD Host Controller spec v3.00, if the Host System
* can afford more than 150mA, Host Driver should set XPC to 1. Also
* value.
*/
max_current_caps = sdhci_readl(host, SDHCI_MAX_CURRENT);
- if (!max_current_caps && host->vmmc) {
- u32 curr = regulator_get_current_limit(host->vmmc);
+ if (!max_current_caps && !IS_ERR(mmc->supply.vmmc)) {
+ int curr = regulator_get_current_limit(mmc->supply.vmmc);
if (curr > 0) {
/* convert to SDHCI_MAX_CURRENT format */
SDHCI_MAX_CURRENT_MULTIPLIER;
}
+ /* If OCR set by external regulators, use it instead */
+ if (mmc->ocr_avail)
+ ocr_avail = mmc->ocr_avail;
+
if (host->ocr_mask)
- ocr_avail = host->ocr_mask;
+ ocr_avail &= host->ocr_mask;
mmc->ocr_avail = ocr_avail;
mmc->ocr_avail_sdio = ocr_avail;
void sdhci_remove_host(struct sdhci_host *host, int dead)
{
+ struct mmc_host *mmc = host->mmc;
unsigned long flags;
if (dead) {
if (host->mrq) {
pr_err("%s: Controller removed during "
- " transfer!\n", mmc_hostname(host->mmc));
+ " transfer!\n", mmc_hostname(mmc));
host->mrq->cmd->error = -ENOMEDIUM;
tasklet_schedule(&host->finish_tasklet);
sdhci_disable_card_detection(host);
- mmc_remove_host(host->mmc);
+ mmc_remove_host(mmc);
#ifdef SDHCI_USE_LEDS_CLASS
led_classdev_unregister(&host->led);
tasklet_kill(&host->finish_tasklet);
- if (host->vmmc) {
- regulator_disable(host->vmmc);
- regulator_put(host->vmmc);
- }
+ if (!IS_ERR(mmc->supply.vmmc))
+ regulator_disable(mmc->supply.vmmc);
- if (host->vqmmc) {
- regulator_disable(host->vqmmc);
- regulator_put(host->vqmmc);
- }
+ if (!IS_ERR(mmc->supply.vqmmc))
+ regulator_disable(mmc->supply.vqmmc);
if (host->adma_desc)
- dma_free_coherent(mmc_dev(host->mmc), ADMA_SIZE,
+ dma_free_coherent(mmc_dev(mmc), ADMA_SIZE,
host->adma_desc, host->adma_addr);
kfree(host->align_buffer);
projects / cascardo / linux.git / blobdiff