int use_dma, dma_ch;
struct dma_chan *tx_chan;
struct dma_chan *rx_chan;
- int slot_id;
int response_busy;
int context_loss;
int protect_card;
#define HSMMC_WAKE_IRQ_ENABLED (1 << 2)
struct omap_hsmmc_next next_data;
struct omap_hsmmc_platform_data *pdata;
+
+ /* To handle board related suspend/resume functionality for MMC */
+ int (*suspend)(struct device *dev);
+ int (*resume)(struct device *dev);
+
+ /* return MMC cover switch state, can be NULL if not supported.
+ *
+ * possible return values:
+ * 0 - closed
+ * 1 - open
+ */
+ int (*get_cover_state)(struct device *dev);
+
+ /* Card detection IRQs */
+ int card_detect_irq;
+
+ int (*card_detect)(struct device *dev);
+ int (*get_ro)(struct device *dev);
+
};
struct omap_mmc_of_data {
static void omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host);
-static int omap_hsmmc_card_detect(struct device *dev, int slot)
+static int omap_hsmmc_card_detect(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
return !gpio_get_value_cansleep(mmc->switch_pin);
}
-static int omap_hsmmc_get_wp(struct device *dev, int slot)
+static int omap_hsmmc_get_wp(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
return gpio_get_value_cansleep(mmc->gpio_wp);
}
-static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
+static int omap_hsmmc_get_cover_state(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
#ifdef CONFIG_PM
-static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_suspend_cdirq(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
- struct omap_hsmmc_platform_data *mmc = host->pdata;
- disable_irq(mmc->card_detect_irq);
+ disable_irq(host->card_detect_irq);
return 0;
}
-static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_resume_cdirq(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
- struct omap_hsmmc_platform_data *mmc = host->pdata;
- enable_irq(mmc->card_detect_irq);
+ enable_irq(host->card_detect_irq);
return 0;
}
#ifdef CONFIG_REGULATOR
-static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
- int vdd)
+static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_host *host =
platform_get_drvdata(to_platform_device(dev));
return 0;
if (mmc_pdata(host)->before_set_reg)
- mmc_pdata(host)->before_set_reg(dev, slot, power_on, vdd);
+ mmc_pdata(host)->before_set_reg(dev, power_on, vdd);
if (host->pbias) {
if (host->pbias_enabled == 1) {
}
if (mmc_pdata(host)->after_set_reg)
- mmc_pdata(host)->after_set_reg(dev, slot, power_on, vdd);
+ mmc_pdata(host)->after_set_reg(dev, power_on, vdd);
error_set_power:
return ret;
(host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
int vdd = ffs(mmc_pdata(host)->ocr_mask) - 1;
- mmc_pdata(host)->set_power(host->dev, host->slot_id, 1, vdd);
- mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+ mmc_pdata(host)->set_power(host->dev, 1, vdd);
+ mmc_pdata(host)->set_power(host->dev, 0, 0);
}
return 0;
if (gpio_is_valid(pdata->switch_pin)) {
if (pdata->cover)
- pdata->get_cover_state =
- omap_hsmmc_get_cover_state;
+ host->get_cover_state =
+ omap_hsmmc_get_cover_state;
else
- pdata->card_detect = omap_hsmmc_card_detect;
- pdata->card_detect_irq =
+ host->card_detect = omap_hsmmc_card_detect;
+ host->card_detect_irq =
gpio_to_irq(pdata->switch_pin);
ret = gpio_request(pdata->switch_pin, "mmc_cd");
if (ret)
}
if (gpio_is_valid(pdata->gpio_wp)) {
- pdata->get_ro = omap_hsmmc_get_wp;
+ host->get_ro = omap_hsmmc_get_wp;
ret = gpio_request(pdata->gpio_wp, "mmc_wp");
if (ret)
goto err_free_cd;
*/
if ((mmc_pdata(host)->features & HSMMC_HAS_HSPE_SUPPORT) &&
(ios->timing != MMC_TIMING_MMC_DDR52) &&
+ (ios->timing != MMC_TIMING_UHS_DDR50) &&
((OMAP_HSMMC_READ(host->base, CAPA) & HSS) == HSS)) {
regval = OMAP_HSMMC_READ(host->base, HCTL);
if (clkdiv && (clk_get_rate(host->fclk)/clkdiv) > 25000000)
u32 con;
con = OMAP_HSMMC_READ(host->base, CON);
- if (ios->timing == MMC_TIMING_MMC_DDR52)
+ if (ios->timing == MMC_TIMING_MMC_DDR52 ||
+ ios->timing == MMC_TIMING_UHS_DDR50)
con |= DDR; /* configure in DDR mode */
else
con &= ~DDR;
{
int r = 1;
- if (mmc_pdata(host)->get_cover_state)
- r = mmc_pdata(host)->get_cover_state(host->dev, host->slot_id);
+ if (host->get_cover_state)
+ r = host->get_cover_state(host->dev);
return r;
}
clk_disable_unprepare(host->dbclk);
/* Turn the power off */
- ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+ ret = mmc_pdata(host)->set_power(host->dev, 0, 0);
/* Turn the power ON with given VDD 1.8 or 3.0v */
if (!ret)
- ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 1,
- vdd);
+ ret = mmc_pdata(host)->set_power(host->dev, 1, vdd);
pm_runtime_get_sync(host->dev);
if (host->dbclk)
clk_prepare_enable(host->dbclk);
/* Protect the card while the cover is open */
static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host)
{
- if (!mmc_pdata(host)->get_cover_state)
+ if (!host->get_cover_state)
return;
host->reqs_blocked = 0;
- if (mmc_pdata(host)->get_cover_state(host->dev, host->slot_id)) {
+ if (host->get_cover_state(host->dev)) {
if (host->protect_card) {
dev_info(host->dev, "%s: cover is closed, "
"card is now accessible\n",
static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
{
struct omap_hsmmc_host *host = dev_id;
- struct omap_hsmmc_platform_data *pdata = host->pdata;
int carddetect;
sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
- if (pdata->card_detect)
- carddetect = pdata->card_detect(host->dev, host->slot_id);
+ if (host->card_detect)
+ carddetect = host->card_detect(host->dev);
else {
omap_hsmmc_protect_card(host);
carddetect = -ENOSYS;
if (ios->power_mode != host->power_mode) {
switch (ios->power_mode) {
case MMC_POWER_OFF:
- mmc_pdata(host)->set_power(host->dev, host->slot_id,
- 0, 0);
+ mmc_pdata(host)->set_power(host->dev, 0, 0);
break;
case MMC_POWER_UP:
- mmc_pdata(host)->set_power(host->dev, host->slot_id,
- 1, ios->vdd);
+ mmc_pdata(host)->set_power(host->dev, 1, ios->vdd);
break;
case MMC_POWER_ON:
do_send_init_stream = 1;
{
struct omap_hsmmc_host *host = mmc_priv(mmc);
- if (!mmc_pdata(host)->card_detect)
+ if (!host->card_detect)
return -ENOSYS;
- return mmc_pdata(host)->card_detect(host->dev, host->slot_id);
+ return host->card_detect(host->dev);
}
static int omap_hsmmc_get_ro(struct mmc_host *mmc)
{
struct omap_hsmmc_host *host = mmc_priv(mmc);
- if (!mmc_pdata(host)->get_ro)
+ if (!host->get_ro)
return -ENOSYS;
- return mmc_pdata(host)->get_ro(host->dev, 0);
+ return host->get_ro(host->dev);
}
static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
if (of_find_property(np, "ti,dual-volt", NULL))
pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
- /* This driver only supports 1 slot */
- pdata->nr_slots = 1;
pdata->switch_pin = cd_gpio;
pdata->gpio_wp = wp_gpio;
return -ENXIO;
}
- if (pdata->nr_slots == 0) {
- dev_err(&pdev->dev, "No Slots\n");
- return -ENXIO;
- }
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
if (res == NULL || irq < 0)
host->use_dma = 1;
host->dma_ch = -1;
host->irq = irq;
- host->slot_id = 0;
host->mapbase = res->start + pdata->reg_offset;
host->base = base + pdata->reg_offset;
host->power_mode = MMC_POWER_OFF;
mmc->ocr_avail = mmc_pdata(host)->ocr_mask;
/* Request IRQ for card detect */
- if ((mmc_pdata(host)->card_detect_irq)) {
+ if (host->card_detect_irq) {
ret = devm_request_threaded_irq(&pdev->dev,
- mmc_pdata(host)->card_detect_irq,
+ host->card_detect_irq,
NULL, omap_hsmmc_detect,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
mmc_hostname(mmc), host);
"Unable to grab MMC CD IRQ\n");
goto err_irq_cd;
}
- pdata->suspend = omap_hsmmc_suspend_cdirq;
- pdata->resume = omap_hsmmc_resume_cdirq;
+ host->suspend = omap_hsmmc_suspend_cdirq;
+ host->resume = omap_hsmmc_resume_cdirq;
}
omap_hsmmc_disable_irq(host);
if (ret < 0)
goto err_slot_name;
}
- if (mmc_pdata(host)->card_detect_irq &&
- mmc_pdata(host)->get_cover_state) {
+ if (host->card_detect_irq && host->get_cover_state) {
ret = device_create_file(&mmc->class_dev,
&dev_attr_cover_switch);
if (ret < 0)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
- if (host->pdata->suspend)
- return host->pdata->suspend(dev, host->slot_id);
+ if (host->suspend)
+ return host->suspend(dev);
return 0;
}
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
- if (host->pdata->resume)
- host->pdata->resume(dev, host->slot_id);
+ if (host->resume)
+ host->resume(dev);
}