static int sdhci_bcm2708_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct sdhci_bcm2708_priv *host_priv = SDHCI_HOST_PRIV(host);
int dead;
u32 scratch;
dead = 0;
scratch = sdhci_bcm2708_readl(host, SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
device_remove_file(&pdev->dev, &dev_attr_status);
device_remove_file(&pdev->dev, &dev_attr_dma_wait);
device_remove_file(&pdev->dev, &dev_attr_use_dma);
#ifdef CONFIG_MMC_SDHCI_BCM2708_DMA
free_irq(host_priv->dma_irq, host);
dma_free_writecombine(&pdev->dev, SZ_4K, host_priv->cb_base,
host_priv->cb_handle);
#endif
sdhci_remove_host(host, dead);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
const struct platform_device_id *platid = platform_get_device_id(pdev);
const struct of_device_id *dtid = sdhci_get_of_device_id(pdev);
struct sdhci_pltfm_data *pdata;
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
int dead;
u32 scratch;
if (platid && platid->driver_data)
pdata = (void *)platid->driver_data;
else if (dtid && dtid->data)
pdata = dtid->data;
else
pdata = pdev->dev.platform_data;
dead = 0;
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(host, dead);
if (pdata && pdata->exit)
pdata->exit(host);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
int ptr;
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
if (sc->ext_cd_irq)
free_irq(sc->ext_cd_irq, sc);
if (gpio_is_valid(sc->ext_cd_gpio))
gpio_free(sc->ext_cd_gpio);
sdhci_remove_host(host, 1);
pm_runtime_disable(&pdev->dev);
for (ptr = 0; ptr < 3; ptr++) {
if (sc->clk_bus[ptr]) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int tegra_sdhci_remove(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
if (host) {
struct tegra_sdhci_platform_data *plat;
plat = pdev->dev.platform_data;
if (plat && plat->board_probe)
plat->board_probe(pdev->id, host->sdhci->mmc);
if (host->cd_gpio != -1)
gpio_free(host->cd_gpio);
if (host->irq_cd != -1)
free_irq(host->irq_cd, host->sdhci);
if (host->wp_gpio != -1)
gpio_free(host->wp_gpio);
if (host->power_gpio != -1)
gpio_free(host->power_gpio);
sdhci_remove_host(host->sdhci, 0);
sdhci_free_host(host->sdhci);
}
return 0;
}
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
int ptr;
sdhci_remove_host(host, 1);
for (ptr = 0; ptr < 3; ptr++) {
if (sc->clk_bus[ptr]) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
iounmap(host->ioaddr);
release_resource(sc->ioarea);
kfree(sc->ioarea);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
destroy_workqueue(sc->regulator_workq);
return 0;
}
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
int ptr, dead = 0;
u32 scratch;
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
if(sc->pdata && sc->pdata->cfg_ext_cd)
free_irq(sc->pdata->ext_cd, sc);
sdhci_remove_host(host, dead);
for (ptr = 0; ptr < 3; ptr++) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
iounmap(host->ioaddr);
release_resource(sc->ioarea);
kfree(sc->ioarea);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
struct s3c_sdhci_platdata *pdata = sc->pdata;
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
if (sc->ext_cd_irq)
free_irq(sc->ext_cd_irq, sc);
#ifdef CONFIG_PM_RUNTIME
if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
clk_prepare_enable(sc->clk_io);
#endif
sdhci_remove_host(host, 1);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_disable(&pdev->dev);
#ifndef CONFIG_PM_RUNTIME
clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
#endif
clk_disable_unprepare(sc->clk_io);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
int dead;
u32 scratch;
if (sdhci->data) {
if (sdhci->data->card_int_gpio >= 0) {
free_irq(gpio_to_irq(sdhci->data->card_int_gpio), pdev);
gpio_free(sdhci->data->card_int_gpio);
}
if (sdhci->data->card_power_gpio >= 0)
gpio_free(sdhci->data->card_power_gpio);
}
platform_set_drvdata(pdev, NULL);
dead = 0;
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(host, dead);
iounmap(host->ioaddr);
sdhci_free_host(host);
clk_disable(sdhci->clk);
clk_put(sdhci->clk);
kfree(sdhci);
if (iomem)
release_mem_region(iomem->start, resource_size(iomem));
return 0;
}
static int __devinit sdhci_of_probe(struct of_device *ofdev,
const struct of_device_id *match)
{
struct device_node *np = ofdev->node;
struct sdhci_of_data *sdhci_of_data = match->data;
struct sdhci_host *host;
struct sdhci_of_host *of_host;
const u32 *clk;
int size;
int ret;
if (!of_device_is_available(np))
return -ENODEV;
host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
if (!host)
return -ENOMEM;
of_host = sdhci_priv(host);
dev_set_drvdata(&ofdev->dev, host);
host->ioaddr = of_iomap(np, 0);
if (!host->ioaddr) {
ret = -ENOMEM;
goto err_addr_map;
}
host->irq = irq_of_parse_and_map(np, 0);
if (!host->irq) {
ret = -EINVAL;
goto err_no_irq;
}
host->hw_name = dev_name(&ofdev->dev);
if (sdhci_of_data) {
host->quirks = sdhci_of_data->quirks;
host->ops = &sdhci_of_data->ops;
}
clk = of_get_property(np, "clock-frequency", &size);
if (clk && size == sizeof(*clk) && *clk)
of_host->clock = *clk;
ret = sdhci_add_host(host);
if (ret)
goto err_add_host;
return 0;
err_add_host:
irq_dispose_mapping(host->irq);
err_no_irq:
iounmap(host->ioaddr);
err_addr_map:
sdhci_free_host(host);
return ret;
}
void sdhci_pltfm_free(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
}
static int __devexit sdhci_of_remove(struct of_device *ofdev)
{
struct sdhci_host *host = dev_get_drvdata(&ofdev->dev);
sdhci_remove_host(host, 0);
sdhci_free_host(host);
irq_dispose_mapping(host->irq);
iounmap(host->ioaddr);
return 0;
}
static int tegra_sdhci_remove(struct platform_device *pdev)
{
struct tegra_sdhci_host *host = platform_get_drvdata(pdev);
if (host) {
struct tegra_sdhci_platform_data *plat;
plat = pdev->dev.platform_data;
if (plat && plat->board_probe)
plat->board_probe(pdev->id, host->sdhci->mmc);
sdhci_remove_host(host->sdhci, 0);
sdhci_free_host(host->sdhci);
}
return 0;
}
static int __devinit sdhci_brcm_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct resource *mres, *ires;
int mres_size;
int err;
mres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!mres || !ires) {
dev_err(&pdev->dev, "can't get resources\n");
return -EIO;
}
mres_size = mres->end - mres->start + 1;
if (!request_mem_region(mres->start, mres_size, DRV_NAME)) {
dev_err(&pdev->dev, "can't request memory\n");
return -EBUSY;
}
host = sdhci_alloc_host(&pdev->dev, 0);
if (!host) {
dev_err(&pdev->dev, "out of memory\n");
return -ENOMEM;
}
dev_set_drvdata(&pdev->dev, host);
host->hw_name = DRV_NAME;
host->ops = &sdhci_brcm_ops;
host->flags = 0;
#if defined(CONFIG_BCM7635)
host->quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
#else
host->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
#endif
host->irq = ires->start;
host->ioaddr = ioremap(mres->start, mres_size);
HIF_ACK_IRQ(SDIO);
HIF_ENABLE_IRQ(SDIO);
err = sdhci_add_host(host);
if (err < 0) {
dev_err(&pdev->dev, "can't register controller (error %d)\n",
err);
sdhci_free_host(host);
return err;
}
return 0;
}
static int __exit sdhci_bcm_kona_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
int dead;
u32 scratch;
dead = 0;
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(host, dead);
sdhci_free_host(host);
return 0;
}
static int sdhci_f_sdh30_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct f_sdhost_priv *priv = sdhci_priv(host);
sdhci_remove_host(host, readl(host->ioaddr + SDHCI_INT_STATUS) ==
0xffffffff);
clk_disable_unprepare(priv->clk_iface);
clk_disable_unprepare(priv->clk);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
struct s3c_sdhci_platdata *pdata = sc->pdata;
int ptr;
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
if (sc->ext_cd_irq)
free_irq(sc->ext_cd_irq, sc);
if (gpio_is_valid(sc->ext_cd_gpio))
gpio_free(sc->ext_cd_gpio);
#ifdef CONFIG_PM_RUNTIME
if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
clk_prepare_enable(sc->clk_io);
#endif
sdhci_remove_host(host, 1);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_disable(&pdev->dev);
#ifndef CONFIG_PM_RUNTIME
clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
#endif
for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
if (sc->clk_bus[ptr]) {
clk_put(sc->clk_bus[ptr]);
}
}
clk_disable_unprepare(sc->clk_io);
clk_put(sc->clk_io);
if (pdev->dev.of_node) {
for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
gpio_free(sc->gpios[ptr]);
}
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
struct sdio_dev *dev = platform_get_drvdata(pdev);
struct sdhci_host *host = dev->host;
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
/* Flag used to signal shutdown of eMMC card */
dev->remove_card = 1;
sdhci_pltfm_shutdown(pdev);
platform_set_drvdata(pdev, NULL);
kfree(dev);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
return 0;
}
static int sdhci_acpi_remove(struct platform_device *pdev)
{
struct sdhci_acpi_host *c = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
int dead;
if (c->use_runtime_pm) {
pm_runtime_get_sync(dev);
pm_runtime_disable(dev);
pm_runtime_put_noidle(dev);
}
dead = (sdhci_readl(c->host, SDHCI_INT_STATUS) == ~0);
sdhci_remove_host(c->host, dead);
sdhci_free_host(c->host);
return 0;
}
static int __devexit sdhci_brcm_remove(struct platform_device *pdev)
{
struct sdhci_host *host = dev_get_drvdata(&pdev->dev);
struct resource *mres;
int mres_size;
if (host) {
sdhci_remove_host(host, 0);
HIF_DISABLE_IRQ(SDIO);
mres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mres_size = mres->end - mres->start + 1;
iounmap(host->ioaddr);
release_mem_region(mres->start, mres_size);
sdhci_free_host(host);
}
return 0;
}
static int sdhci_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct spear_sdhci *sdhci = dev_get_platdata(&pdev->dev);
int dead = 0;
u32 scratch;
platform_set_drvdata(pdev, NULL);
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(host, dead);
sdhci_free_host(host);
clk_disable_unprepare(sdhci->clk);
clk_put(sdhci->clk);
return 0;
}
static int __devexit sdhci_pltfm_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
int dead;
u32 scratch;
dead = 0;
scratch = readl(host->ioaddr + SDHCI_INT_STATUS);
if (scratch == (u32)-1)
dead = 1;
sdhci_remove_host(host, dead);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
{
struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
int ptr;
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
#ifdef CONFIG_MACH_U1_NA_SPR
if (pdata->cd_type == S3C_SDHCI_CD_GPIO && pdata->ext_cd_cleanup)
pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
#endif
if (sc->ext_cd_irq)
free_irq(sc->ext_cd_irq, sc);
if (gpio_is_valid(sc->ext_cd_gpio))
gpio_free(sc->ext_cd_gpio);
sdhci_remove_host(host, 1);
for (ptr = 0; ptr < 3; ptr++) {
if (sc->clk_bus[ptr]) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
}
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
iounmap(host->ioaddr);
release_resource(sc->ioarea);
kfree(sc->ioarea);
sdhci_free_host(host);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int __devexit sdhci_sprd_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sprd_host_data *host_data = sdhci_priv(host);
#ifdef CONFIG_PM_RUNTIME
if (pm_runtime_suspended(&(pdev)->dev))
pm_runtime_resume(&(pdev)->dev);
#endif
sdhci_remove_host(host, 1);
sdhci_free_host(host);
if (host_data->clk_enable) {
clk_disable(host->clk);
host_data->clk_enable = 0;
}
#ifdef CONFIG_PM_RUNTIME
pm_runtime_disable(&(pdev)->dev);
pm_runtime_set_suspended(&(pdev)->dev);
#endif
return 0;
}
static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
{
struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
struct device *dev = &pdev->dev;
struct sdhci_host *host;
struct sdhci_s3c *sc;
struct resource *res;
int ret, irq, ptr, clks;
if (!pdata) {
dev_err(dev, "no device data specified\n");
return -ENOENT;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq specified\n");
return irq;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "no memory specified\n");
return -ENOENT;
}
host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c));
if (IS_ERR(host)) {
dev_err(dev, "sdhci_alloc_host() failed\n");
return PTR_ERR(host);
}
sc = sdhci_priv(host);
sc->host = host;
sc->pdev = pdev;
sc->pdata = pdata;
sc->ext_cd_gpio = -1;
platform_set_drvdata(pdev, host);
sc->clk_io = clk_get(dev, "hsmmc");
if (IS_ERR(sc->clk_io)) {
dev_err(dev, "failed to get io clock\n");
ret = PTR_ERR(sc->clk_io);
goto err_io_clk;
}
/* enable the local io clock and keep it running for the moment. */
clk_enable(sc->clk_io);
for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
struct clk *clk;
char *name = pdata->clocks[ptr];
if (name == NULL)
continue;
clk = clk_get(dev, name);
if (IS_ERR(clk)) {
dev_err(dev, "failed to get clock %s\n", name);
continue;
}
clks++;
sc->clk_bus[ptr] = clk;
clk_enable(clk);
sc->cur_clk = ptr;
dev_info(dev, "clock source %d: %s (%ld Hz)\n",
ptr, name, clk_get_rate(clk));
}
if (clks == 0) {
dev_err(dev, "failed to find any bus clocks\n");
ret = -ENOENT;
goto err_no_busclks;
}
sc->ioarea = request_mem_region(res->start, resource_size(res),
mmc_hostname(host->mmc));
if (!sc->ioarea) {
dev_err(dev, "failed to reserve register area\n");
ret = -ENXIO;
goto err_req_regs;
}
host->ioaddr = ioremap_nocache(res->start, resource_size(res));
if (!host->ioaddr) {
dev_err(dev, "failed to map registers\n");
ret = -ENXIO;
goto err_req_regs;
}
/* Ensure we have minimal gpio selected CMD/CLK/Detect */
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev, pdata->max_width);
host->hw_name = "samsung-hsmmc";
host->ops = &sdhci_s3c_ops;
host->quirks = 0;
host->irq = irq;
/* Setup quirks for the controller */
host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC;
#ifndef CONFIG_MMC_SDHCI_S3C_DMA
/* we currently see overruns on errors, so disable the SDMA
* support as well. */
host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
#endif /* CONFIG_MMC_SDHCI_S3C_DMA */
/* It seems we do not get an DATA transfer complete on non-busy
* transfers, not sure if this is a problem with this specific
* SDHCI block, or a missing configuration that needs to be set. */
host->quirks |= SDHCI_QUIRK_NO_BUSY_IRQ;
if (pdata->cd_type == S3C_SDHCI_CD_NONE)
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_32BIT_DMA_SIZE);
/* HSMMC on Samsung SoCs uses SDCLK as timeout clock */
host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
/* IF SD controller's WP pin donsn't connected with SD card and there is an
* allocated GPIO for getting WP data form SD card, use this quirk and send
* the GPIO number in pdata->wp_gpio. */
if (pdata->has_wp_gpio && gpio_is_valid(pdata->wp_gpio)) {
sdhci_s3c_ops.get_ro = sdhci_s3c_get_ro;
host->quirks |= SDHCI_QUIRK_NO_WP_BIT;
sdhci_s3c_cfg_wp(pdata->wp_gpio);
}
host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
#ifdef CONFIG_ARCH_S5PV310
host->quirks |= SDHCI_QUIRK_NONSTANDARD_CLOCK;
host->quirks |= SDHCI_QUIRK_BROKEN_CLOCK_DIVIDER;
#endif
if(pdata->host_caps)
host->mmc->caps |= pdata->host_caps;
/* Fill External GPIO Value */
if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) {
pr_info("%s : S3C_SDHCI_CD_PERMANENT\n", __func__);
if(gpio_is_valid(pdata->ext_cd_gpio)) {
pr_info("%s : MMC GPIO Level is %d\n", __func__
, gpio_get_value(pdata->ext_cd_gpio));
gpio_request(pdata->ext_cd_gpio, "SDHCI EXT CD");
sc->ext_cd_gpio = gpio_get_value(pdata->ext_cd_gpio);
}
}
if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
gpio_is_valid(pdata->ext_cd_gpio)) {
pr_info("%s : S3C_SDHCI_CD_GPIO\n", __func__);
gpio_request(pdata->ext_cd_gpio, "SDHCI EXT CD");
sc->ext_cd_gpio = pdata->ext_cd_gpio;
sc->regulator_workq = create_singlethread_workqueue("ktflash_requlatord");
if (!sc->regulator_workq) {
pr_info("%s : ERROR: workqueue for Tflash's regulator.\n"
"Regulator for Tflash will be always ON\n",
__func__);
}
INIT_DELAYED_WORK(&sc->regul_work, sdhci_s3c_requlator_work);
sc->ext_cd_irq = gpio_to_irq(pdata->ext_cd_gpio);
if (sc->ext_cd_irq &&
request_irq(sc->ext_cd_irq, sdhci_s3c_gpio_card_detect_isr,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
dev_name(&pdev->dev), sc)) {
dev_err(&pdev->dev, "cannot request irq for card detect\n");
sc->ext_cd_irq = 0;
}
if (tflash_detection_cmd_dev == NULL && sc->ext_cd_gpio) {
tflash_detection_cmd_dev = device_create(sec_class, NULL, 0, NULL, "tctest");
if (IS_ERR(tflash_detection_cmd_dev))
pr_err("%s : Failed to create device(ts)!\n", __func__);
if (device_create_file(tflash_detection_cmd_dev, &dev_attr_tftest) < 0)
pr_err("%s : Failed to create device file(%s)!\n", __func__, dev_attr_tftest.attr.name);
dev_set_drvdata(tflash_detection_cmd_dev, sc);
}
/* T-Flash EINT for CD SHOULD be wakeup source */
set_irq_wake(sc->ext_cd_irq, 1);
}
/* Call sdhci_host */
ret = sdhci_add_host(host);
if (ret) {
dev_err(dev, "sdhci_add_host() failed\n");
goto err_add_host;
}
if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT) {
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
host->mmc->caps |= MMC_CAP_NONREMOVABLE;
}
/* pdata->ext_cd_init might call sdhci_s3c_notify_change immediately,
so it can be called only after sdhci_add_host() */
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init) {
pr_info("%s : S3C_SDHCI_CD_EXTERNAL and external init\n", __func__);
pdata->ext_cd_init(&sdhci_s3c_notify_change);
}
if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
gpio_is_valid(pdata->ext_cd_gpio)) {
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
}
return 0;
err_add_host:
release_resource(sc->ioarea);
kfree(sc->ioarea);
err_req_regs:
for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
err_no_busclks:
clk_disable(sc->clk_io);
clk_put(sc->clk_io);
err_io_clk:
sdhci_free_host(host);
return ret;
}
static int __devinit sdhci_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct resource *iomem;
struct spear_sdhci *sdhci;
int ret;
BUG_ON(pdev == NULL);
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!iomem) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "memory resource not defined\n");
goto err;
}
if (!request_mem_region(iomem->start, resource_size(iomem),
"spear-sdhci")) {
ret = -EBUSY;
dev_dbg(&pdev->dev, "cannot request region\n");
goto err;
}
sdhci = kzalloc(sizeof(*sdhci), GFP_KERNEL);
if (!sdhci) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "cannot allocate memory for sdhci\n");
goto err_kzalloc;
}
/* clk enable */
sdhci->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(sdhci->clk)) {
ret = PTR_ERR(sdhci->clk);
dev_dbg(&pdev->dev, "Error getting clock\n");
goto err_clk_get;
}
ret = clk_enable(sdhci->clk);
if (ret) {
dev_dbg(&pdev->dev, "Error enabling clock\n");
goto err_clk_enb;
}
/* overwrite platform_data */
sdhci->data = dev_get_platdata(&pdev->dev);
pdev->dev.platform_data = sdhci;
if (pdev->dev.parent)
host = sdhci_alloc_host(pdev->dev.parent, 0);
else
host = sdhci_alloc_host(&pdev->dev, 0);
if (IS_ERR(host)) {
ret = PTR_ERR(host);
dev_dbg(&pdev->dev, "error allocating host\n");
goto err_alloc_host;
}
host->hw_name = "sdhci";
host->ops = &sdhci_pltfm_ops;
host->irq = platform_get_irq(pdev, 0);
host->quirks = SDHCI_QUIRK_BROKEN_ADMA;
host->ioaddr = ioremap(iomem->start, resource_size(iomem));
if (!host->ioaddr) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "failed to remap registers\n");
goto err_ioremap;
}
ret = sdhci_add_host(host);
if (ret) {
dev_dbg(&pdev->dev, "error adding host\n");
goto err_add_host;
}
platform_set_drvdata(pdev, host);
/*
* It is optional to use GPIOs for sdhci Power control & sdhci card
* interrupt detection. If sdhci->data is NULL, then use original sdhci
* lines otherwise GPIO lines.
* If GPIO is selected for power control, then power should be disabled
* after card removal and should be enabled when card insertion
* interrupt occurs
*/
if (!sdhci->data)
return 0;
if (sdhci->data->card_power_gpio >= 0) {
int val = 0;
ret = gpio_request(sdhci->data->card_power_gpio, "sdhci");
if (ret < 0) {
dev_dbg(&pdev->dev, "gpio request fail: %d\n",
sdhci->data->card_power_gpio);
goto err_pgpio_request;
}
if (sdhci->data->power_always_enb)
val = sdhci->data->power_active_high;
else
val = !sdhci->data->power_active_high;
ret = gpio_direction_output(sdhci->data->card_power_gpio, val);
if (ret) {
dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
sdhci->data->card_power_gpio);
goto err_pgpio_direction;
}
gpio_set_value(sdhci->data->card_power_gpio, 1);
}
if (sdhci->data->card_int_gpio >= 0) {
ret = gpio_request(sdhci->data->card_int_gpio, "sdhci");
if (ret < 0) {
dev_dbg(&pdev->dev, "gpio request fail: %d\n",
sdhci->data->card_int_gpio);
goto err_igpio_request;
}
ret = gpio_direction_input(sdhci->data->card_int_gpio);
if (ret) {
dev_dbg(&pdev->dev, "gpio set direction fail: %d\n",
sdhci->data->card_int_gpio);
goto err_igpio_direction;
}
ret = request_irq(gpio_to_irq(sdhci->data->card_int_gpio),
sdhci_gpio_irq, IRQF_TRIGGER_LOW,
mmc_hostname(host->mmc), pdev);
if (ret) {
dev_dbg(&pdev->dev, "gpio request irq fail: %d\n",
sdhci->data->card_int_gpio);
goto err_igpio_request_irq;
}
}
return 0;
err_igpio_request_irq:
err_igpio_direction:
if (sdhci->data->card_int_gpio >= 0)
gpio_free(sdhci->data->card_int_gpio);
err_igpio_request:
err_pgpio_direction:
if (sdhci->data->card_power_gpio >= 0)
gpio_free(sdhci->data->card_power_gpio);
err_pgpio_request:
platform_set_drvdata(pdev, NULL);
sdhci_remove_host(host, 1);
err_add_host:
iounmap(host->ioaddr);
err_ioremap:
sdhci_free_host(host);
err_alloc_host:
clk_disable(sdhci->clk);
err_clk_enb:
clk_put(sdhci->clk);
err_clk_get:
kfree(sdhci);
err_kzalloc:
release_mem_region(iomem->start, resource_size(iomem));
err:
dev_err(&pdev->dev, "spear-sdhci probe failed: %d\n", ret);
return ret;
}
static int sdhci_s3c_probe(struct platform_device *pdev)
{
struct s3c_sdhci_platdata *pdata;
struct sdhci_s3c_drv_data *drv_data;
struct device *dev = &pdev->dev;
struct sdhci_host *host;
struct sdhci_s3c *sc;
struct resource *res;
int ret, irq, ptr, clks;
if (!pdev->dev.platform_data && !pdev->dev.of_node) {
dev_err(dev, "no device data specified\n");
return -ENOENT;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq specified\n");
return irq;
}
host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c));
if (IS_ERR(host)) {
dev_err(dev, "sdhci_alloc_host() failed\n");
return PTR_ERR(host);
}
sc = sdhci_priv(host);
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
ret = -ENOMEM;
goto err_pdata_io_clk;
}
if (pdev->dev.of_node) {
ret = sdhci_s3c_parse_dt(&pdev->dev, host, pdata);
if (ret)
goto err_pdata_io_clk;
} else {
memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
sc->ext_cd_gpio = -1; /* invalid gpio number */
}
drv_data = sdhci_s3c_get_driver_data(pdev);
sc->host = host;
sc->pdev = pdev;
sc->pdata = pdata;
platform_set_drvdata(pdev, host);
sc->clk_io = devm_clk_get(dev, "hsmmc");
if (IS_ERR(sc->clk_io)) {
dev_err(dev, "failed to get io clock\n");
ret = PTR_ERR(sc->clk_io);
goto err_pdata_io_clk;
}
/* enable the local io clock and keep it running for the moment. */
clk_prepare_enable(sc->clk_io);
for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
struct clk *clk;
char name[14];
snprintf(name, 14, "mmc_busclk.%d", ptr);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk))
continue;
clks++;
sc->clk_bus[ptr] = clk;
/*
* save current clock index to know which clock bus
* is used later in overriding functions.
*/
sc->cur_clk = ptr;
dev_info(dev, "clock source %d: %s (%ld Hz)\n",
ptr, name, clk_get_rate(clk));
}
if (clks == 0) {
dev_err(dev, "failed to find any bus clocks\n");
ret = -ENOENT;
goto err_no_busclks;
}
#ifndef CONFIG_PM_RUNTIME
clk_prepare_enable(sc->clk_bus[sc->cur_clk]);
#endif
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->ioaddr = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(host->ioaddr)) {
ret = PTR_ERR(host->ioaddr);
goto err_req_regs;
}
/* Ensure we have minimal gpio selected CMD/CLK/Detect */
if (pdata->cfg_gpio)
pdata->cfg_gpio(pdev, pdata->max_width);
host->hw_name = "samsung-hsmmc";
host->ops = &sdhci_s3c_ops;
host->quirks = 0;
host->irq = irq;
/* Setup quirks for the controller */
host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC;
host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
if (drv_data)
host->quirks |= drv_data->sdhci_quirks;
#ifndef CONFIG_MMC_SDHCI_S3C_DMA
/* we currently see overruns on errors, so disable the SDMA
* support as well. */
host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
#endif /* CONFIG_MMC_SDHCI_S3C_DMA */
/* It seems we do not get an DATA transfer complete on non-busy
* transfers, not sure if this is a problem with this specific
* SDHCI block, or a missing configuration that needs to be set. */
host->quirks |= SDHCI_QUIRK_NO_BUSY_IRQ;
/* This host supports the Auto CMD12 */
host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
/* Samsung SoCs need BROKEN_ADMA_ZEROLEN_DESC */
host->quirks |= SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC;
if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
host->mmc->caps = MMC_CAP_NONREMOVABLE;
switch (pdata->max_width) {
case 8:
host->mmc->caps |= MMC_CAP_8_BIT_DATA;
case 4:
host->mmc->caps |= MMC_CAP_4_BIT_DATA;
break;
}
if (pdata->pm_caps)
host->mmc->pm_caps |= pdata->pm_caps;
host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_32BIT_DMA_SIZE);
/* HSMMC on Samsung SoCs uses SDCLK as timeout clock */
host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
/*
* If controller does not have internal clock divider,
* we can use overriding functions instead of default.
*/
if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
pax_open_kernel();
*(void **)&sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock;
*(void **)&sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock;
*(void **)&sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
pax_close_kernel();
}
/* It supports additional host capabilities if needed */
if (pdata->host_caps)
host->mmc->caps |= pdata->host_caps;
if (pdata->host_caps2)
host->mmc->caps2 |= pdata->host_caps2;
pm_runtime_enable(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
pm_suspend_ignore_children(&pdev->dev, 1);
ret = sdhci_add_host(host);
if (ret) {
dev_err(dev, "sdhci_add_host() failed\n");
pm_runtime_forbid(&pdev->dev);
pm_runtime_get_noresume(&pdev->dev);
goto err_req_regs;
}
/* The following two methods of card detection might call
sdhci_s3c_notify_change() immediately, so they can be called
only after sdhci_add_host(). Setup errors are ignored. */
if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init)
pdata->ext_cd_init(&sdhci_s3c_notify_change);
if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
gpio_is_valid(pdata->ext_cd_gpio))
sdhci_s3c_setup_card_detect_gpio(sc);
#ifdef CONFIG_PM_RUNTIME
if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
clk_disable_unprepare(sc->clk_io);
#endif
return 0;
err_req_regs:
#ifndef CONFIG_PM_RUNTIME
clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
#endif
err_no_busclks:
clk_disable_unprepare(sc->clk_io);
err_pdata_io_clk:
sdhci_free_host(host);
return ret;
}
static int __devinit tegra_sdhci_probe(struct platform_device *pdev)
{
int rc;
struct tegra_sdhci_platform_data *plat;
struct sdhci_host *sdhci;
struct tegra_sdhci_host *host;
struct resource *res;
int irq;
void __iomem *ioaddr;
plat = pdev->dev.platform_data;
if (plat == NULL)
return -ENXIO;
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL)
return -ENODEV;
irq = res->start;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL)
return -ENODEV;
ioaddr = ioremap(res->start, res->end - res->start);
sdhci = sdhci_alloc_host(&pdev->dev, sizeof(struct tegra_sdhci_host));
if (IS_ERR(sdhci)) {
rc = PTR_ERR(sdhci);
goto err_unmap;
}
host = sdhci_priv(sdhci);
host->sdhci = sdhci;
host->card_always_on = (plat->power_gpio == -1) ? 1 : 0;
host->wp_gpio = plat->wp_gpio;
host->clk = clk_get(&pdev->dev, plat->clk_id);
if (IS_ERR(host->clk)) {
rc = PTR_ERR(host->clk);
goto err_free_host;
}
rc = clk_enable(host->clk);
if (rc != 0)
goto err_clkput;
host->clk_enabled = 1;
sdhci->hw_name = "tegra";
sdhci->ops = &tegra_sdhci_ops;
sdhci->irq = irq;
sdhci->ioaddr = ioaddr;
sdhci->version = SDHCI_SPEC_200;
sdhci->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_SINGLE_POWER_WRITE |
SDHCI_QUIRK_ENABLE_INTERRUPT_AT_BLOCK_GAP |
SDHCI_QUIRK_BROKEN_WRITE_PROTECT |
SDHCI_QUIRK_BROKEN_CTRL_HISPD |
SDHCI_QUIRK_NO_HISPD_BIT |
SDHCI_QUIRK_8_BIT_DATA |
SDHCI_QUIRK_NO_VERSION_REG |
SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
SDHCI_QUIRK_RUNTIME_DISABLE;
if (plat->force_hs != 0)
sdhci->quirks |= SDHCI_QUIRK_FORCE_HIGH_SPEED_MODE;
#ifdef CONFIG_MMC_EMBEDDED_SDIO
mmc_set_embedded_sdio_data(sdhci->mmc,
&plat->cis,
&plat->cccr,
plat->funcs,
plat->num_funcs);
#endif
if (host->card_always_on)
sdhci->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY;
rc = sdhci_add_host(sdhci);
if (rc)
goto err_clk_disable;
platform_set_drvdata(pdev, host);
if (plat->cd_gpio != -1) {
rc = request_irq(gpio_to_irq(plat->cd_gpio), carddetect_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
mmc_hostname(sdhci->mmc), sdhci);
if (rc)
goto err_remove_host;
} else if (plat->register_status_notify) {
plat->register_status_notify(
tegra_sdhci_status_notify_cb, sdhci);
}
if (plat->board_probe)
plat->board_probe(pdev->id, sdhci->mmc);
printk(KERN_INFO "sdhci%d: initialized irq %d ioaddr %p\n", pdev->id,
sdhci->irq, sdhci->ioaddr);
return 0;
err_remove_host:
sdhci_remove_host(sdhci, 1);
err_clk_disable:
clk_disable(host->clk);
err_clkput:
clk_put(host->clk);
err_free_host:
if (sdhci)
sdhci_free_host(sdhci);
err_unmap:
iounmap(sdhci->ioaddr);
return rc;
}
static int sdhci_acpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
acpi_handle handle = ACPI_HANDLE(dev);
struct acpi_device *device;
struct sdhci_acpi_host *c;
struct sdhci_host *host;
struct resource *iomem;
resource_size_t len;
const char *hid;
int err;
if (acpi_bus_get_device(handle, &device))
return -ENODEV;
if (acpi_bus_get_status(device) || !device->status.present)
return -ENODEV;
hid = acpi_device_hid(device);
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!iomem)
return -ENOMEM;
len = resource_size(iomem);
if (len < 0x100)
dev_err(dev, "Invalid iomem size!\n");
if (!devm_request_mem_region(dev, iomem->start, len, dev_name(dev)))
return -ENOMEM;
host = sdhci_alloc_host(dev, sizeof(struct sdhci_acpi_host));
if (IS_ERR(host))
return PTR_ERR(host);
c = sdhci_priv(host);
c->host = host;
c->slot = sdhci_acpi_get_slot(handle, hid);
c->pdev = pdev;
c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM);
platform_set_drvdata(pdev, c);
host->hw_name = "ACPI";
host->ops = &sdhci_acpi_ops_dflt;
host->irq = platform_get_irq(pdev, 0);
host->ioaddr = devm_ioremap_nocache(dev, iomem->start,
resource_size(iomem));
if (host->ioaddr == NULL) {
err = -ENOMEM;
goto err_free;
}
if (!dev->dma_mask) {
u64 dma_mask;
if (sdhci_readl(host, SDHCI_CAPABILITIES) & SDHCI_CAN_64BIT) {
/* 64-bit DMA is not supported at present */
dma_mask = DMA_BIT_MASK(32);
} else {
dma_mask = DMA_BIT_MASK(32);
}
err = dma_coerce_mask_and_coherent(dev, dma_mask);
if (err)
goto err_free;
}
if (c->slot) {
if (c->slot->chip) {
host->ops = c->slot->chip->ops;
host->quirks |= c->slot->chip->quirks;
host->quirks2 |= c->slot->chip->quirks2;
host->mmc->caps |= c->slot->chip->caps;
host->mmc->caps2 |= c->slot->chip->caps2;
host->mmc->pm_caps |= c->slot->chip->pm_caps;
}
host->quirks |= c->slot->quirks;
host->quirks2 |= c->slot->quirks2;
host->mmc->caps |= c->slot->caps;
host->mmc->caps2 |= c->slot->caps2;
host->mmc->pm_caps |= c->slot->pm_caps;
}
host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP;
err = sdhci_add_host(host);
if (err)
goto err_free;
if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) {
if (sdhci_acpi_add_own_cd(dev, host->mmc))
c->use_runtime_pm = false;
}
if (c->use_runtime_pm) {
pm_runtime_set_active(dev);
pm_suspend_ignore_children(dev, 1);
pm_runtime_set_autosuspend_delay(dev, 50);
pm_runtime_use_autosuspend(dev);
pm_runtime_enable(dev);
}
return 0;
err_free:
sdhci_free_host(c->host);
return err;
}
static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
{
struct sdhci_pltfm_data *pdata = pdev->dev.platform_data;
const struct platform_device_id *platid = platform_get_device_id(pdev);
struct sdhci_host *host;
struct resource *iomem;
int ret;
if (!pdata && platid && platid->driver_data)
pdata = (void *)platid->driver_data;
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!iomem) {
ret = -ENOMEM;
goto err;
}
if (resource_size(iomem) < 0x100)
dev_err(&pdev->dev, "Invalid iomem size. You may "
"experience problems.\n");
if (pdev->dev.parent)
host = sdhci_alloc_host(pdev->dev.parent, 0);
else
host = sdhci_alloc_host(&pdev->dev, 0);
if (IS_ERR(host)) {
ret = PTR_ERR(host);
goto err;
}
host->hw_name = "platform";
if (pdata && pdata->ops)
host->ops = pdata->ops;
else
host->ops = &sdhci_pltfm_ops;
if (pdata)
host->quirks = pdata->quirks;
host->irq = platform_get_irq(pdev, 0);
if (!request_mem_region(iomem->start, resource_size(iomem),
mmc_hostname(host->mmc))) {
dev_err(&pdev->dev, "cannot request region\n");
ret = -EBUSY;
goto err_request;
}
host->ioaddr = ioremap(iomem->start, resource_size(iomem));
if (!host->ioaddr) {
dev_err(&pdev->dev, "failed to remap registers\n");
ret = -ENOMEM;
goto err_remap;
}
if (pdata && pdata->init) {
ret = pdata->init(host);
if (ret)
goto err_plat_init;
}
ret = sdhci_add_host(host);
if (ret)
goto err_add_host;
platform_set_drvdata(pdev, host);
return 0;
err_add_host:
if (pdata && pdata->exit)
pdata->exit(host);
err_plat_init:
iounmap(host->ioaddr);
err_remap:
release_mem_region(iomem->start, resource_size(iomem));
err_request:
sdhci_free_host(host);
err:
printk(KERN_ERR"Probing of sdhci-pltfm failed: %d\n", ret);
return ret;
}
static int __devinit sdhci_sprd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct sdhci_host *host;
struct resource *res;
int ret, irq;
#ifdef CONFIG_MMC_CARD_HOTPLUG
int sd_detect_gpio;
int detect_irq;
#endif
struct sprd_host_data *host_data;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq specified\n");
return irq;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "no memory specified\n");
return -ENOENT;
}
if(pdev->id == 0)
{
sd_buffer_pre_alloc();
}
host = sdhci_alloc_host(dev, sizeof(struct sprd_host_data));
if (IS_ERR(host)) {
dev_err(dev, "sdhci_alloc_host() failed\n");
return PTR_ERR(host);
}
host_data = sdhci_priv(host);
host_data->platdata = dev_get_platdata(dev);
host_data->clk_enable = 0;
BUG_ON(NULL == host_data->platdata);
printk("sdio probe %s, vdd %s (%d), clk %s parent %s\n",
host_data->platdata->hw_name,
host_data->platdata->vdd_name, host_data->platdata->volt_level,
host_data->platdata->clk_name, host_data->platdata->clk_parent);
platform_set_drvdata(pdev, host);
host->vmmc = NULL;
host->vmmc_ext = NULL;
host->ioaddr = (void __iomem *)res->start;
printk("sdio: host->ioaddr:0x%x\n", (u32)host->ioaddr);
host->hw_name = (host_data->platdata->hw_name)?
host_data->platdata->hw_name:pdev->name;
host->ops = &sdhci_sprd_ops;
host->quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |\
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |\
SDHCI_QUIRK_BROKEN_CARD_DETECTION|\
SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
host->irq = irq;
#ifdef CONFIG_MMC_CARD_HOTPLUG
sd_detect_gpio = host_data->platdata->detect_gpio;
if(sd_detect_gpio > 0){
pr_info("%s, sd_detect_gpio:%d\n", __func__, sd_detect_gpio);
if (0 == pdev->id){
ret = gpio_request(sd_detect_gpio, "sdio0_detect");
}else{
ret = gpio_request(sd_detect_gpio, "sdio1_detect");
}
if (ret) {
dev_err(dev, "cannot request gpio\n");
return -1;
}
ret = gpio_direction_input(sd_detect_gpio);
if (ret) {
dev_err(dev, "gpio can not change to input\n");
return -1;
}
detect_irq = gpio_to_irq(sd_detect_gpio);
if (detect_irq < 0){
dev_err(dev, "cannot alloc detect irq\n");
return -1;
}
host_data->detect_irq = detect_irq;
}else if (host_data->platdata->register_status_notify) {
host_data->platdata->register_status_notify(sdhci_status_notify_cb, host);
} else if (!host_data->platdata->status) {
printk("%s: No card detect facilities available\n",
mmc_hostname(host->mmc));
}else{
printk("%s, sd_detect_gpio == 0 \n", __func__ );
}
#endif
if(host_data->platdata->vdd_name) {
host->vmmc = regulator_get(NULL, host_data->platdata->vdd_name);
BUG_ON(IS_ERR(host->vmmc));
if(!is_sd_slot(host))
regulator_enable(host->vmmc);
}
if(host_data->platdata->vdd_ext_name) {
host->vmmc_ext = regulator_get(NULL, host_data->platdata->vdd_ext_name);
BUG_ON(IS_ERR(host->vmmc_ext));
regulator_enable(host->vmmc_ext);
}
host->clk = NULL;
sdhci_module_init(host);
switch(pdev->id) {
case 0:
host->mmc->pm_flags |= MMC_PM_ONLY_USED_SDIO0_SHARK;
host->caps = sdhci_readl(host, SDHCI_CAPABILITIES) & (~(SDHCI_CAN_VDD_330 | SDHCI_CAN_VDD_180));
host->quirks |= SDHCI_QUIRK_MISSING_CAPS;
host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY;
break;
case 1:
host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY|MMC_PM_KEEP_POWER |MMC_PM_DISABLE_TIMEOUT_IRQ;
host->mmc->pm_caps |= MMC_PM_KEEP_POWER |MMC_PM_DISABLE_TIMEOUT_IRQ;
#ifdef CONFIG_SDIO_CARD
host->mmc->caps |= MMC_CAP_4_BIT_DATA |MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD;
#else
host->mmc->caps |= MMC_CAP_4_BIT_DATA |MMC_CAP_NONREMOVABLE;
#endif
break;
case 2:
host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY | MMC_PM_KEEP_POWER;
host->mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD;
break;
case 3:
host->caps = sdhci_readl(host, SDHCI_CAPABILITIES) & (~(SDHCI_CAN_VDD_330 | SDHCI_CAN_VDD_300));
host->quirks |= SDHCI_QUIRK_MISSING_CAPS;
host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY | MMC_PM_KEEP_POWER;
host->mmc->caps |= MMC_CAP_NONREMOVABLE | MMC_CAP_8_BIT_DATA | MMC_CAP_HW_RESET;
break;
default:
BUG();
break;
}
#ifdef CONFIG_PM_RUNTIME
switch(pdev->id) {
case 1:
case 2:
#ifdef CONFIG_SDIO_CARD
pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 100);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
pm_runtime_no_callbacks(mmc_classdev(host->mmc));
pm_suspend_ignore_children(mmc_classdev(host->mmc), true);
pm_runtime_set_active(mmc_classdev(host->mmc));
pm_runtime_enable(mmc_classdev(host->mmc));
#endif
break;
case 3:
case 0:
pm_suspend_ignore_children(&pdev->dev, true);
pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 100);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
default:
break;
}
#endif
ret = sdhci_add_host(host);
if (ret) {
dev_err(dev, "sdhci_add_host() failed\n");
goto err_add_host;
}
#ifdef CONFIG_MMC_BUS_SCAN
if (pdev->id == 1)
sdhci_host_g = host;
#endif
return 0;
err_add_host:
#ifdef CONFIG_PM_RUNTIME
pm_runtime_disable(&(pdev)->dev);
pm_runtime_set_suspended(&(pdev)->dev);
#endif
if (host_data->clk_enable) {
clk_disable(host->clk);
host_data->clk_enable = 0;
}
sdhci_free_host(host);
return ret;
}
