diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/mmc/host/sdhci-s3c.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/mmc/host/sdhci-s3c.c | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/ANDROID_3.4.5/drivers/mmc/host/sdhci-s3c.c b/ANDROID_3.4.5/drivers/mmc/host/sdhci-s3c.c deleted file mode 100644 index 55a164fc..00000000 --- a/ANDROID_3.4.5/drivers/mmc/host/sdhci-s3c.c +++ /dev/null @@ -1,756 +0,0 @@ -/* linux/drivers/mmc/host/sdhci-s3c.c - * - * Copyright 2008 Openmoko Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * SDHCI (HSMMC) support for Samsung SoC - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_gpio.h> -#include <linux/pm.h> -#include <linux/pm_runtime.h> - -#include <linux/mmc/host.h> - -#include <plat/sdhci.h> -#include <plat/regs-sdhci.h> - -#include "sdhci.h" - -#define MAX_BUS_CLK (4) - -/** - * struct sdhci_s3c - S3C SDHCI instance - * @host: The SDHCI host created - * @pdev: The platform device we where created from. - * @ioarea: The resource created when we claimed the IO area. - * @pdata: The platform data for this controller. - * @cur_clk: The index of the current bus clock. - * @clk_io: The clock for the internal bus interface. - * @clk_bus: The clocks that are available for the SD/MMC bus clock. - */ -struct sdhci_s3c { - struct sdhci_host *host; - struct platform_device *pdev; - struct resource *ioarea; - struct s3c_sdhci_platdata *pdata; - unsigned int cur_clk; - int ext_cd_irq; - int ext_cd_gpio; - - struct clk *clk_io; - struct clk *clk_bus[MAX_BUS_CLK]; -}; - -/** - * struct sdhci_s3c_driver_data - S3C SDHCI platform specific driver data - * @sdhci_quirks: sdhci host specific quirks. - * - * Specifies platform specific configuration of sdhci controller. - * Note: A structure for driver specific platform data is used for future - * expansion of its usage. - */ -struct sdhci_s3c_drv_data { - unsigned int sdhci_quirks; -}; - -static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host) -{ - return sdhci_priv(host); -} - -/** - * get_curclk - convert ctrl2 register to clock source number - * @ctrl2: Control2 register value. - */ -static u32 get_curclk(u32 ctrl2) -{ - ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK; - ctrl2 >>= S3C_SDHCI_CTRL2_SELBASECLK_SHIFT; - - return ctrl2; -} - -static void sdhci_s3c_check_sclk(struct sdhci_host *host) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - u32 tmp = readl(host->ioaddr + S3C_SDHCI_CONTROL2); - - if (get_curclk(tmp) != ourhost->cur_clk) { - dev_dbg(&ourhost->pdev->dev, "restored ctrl2 clock setting\n"); - - tmp &= ~S3C_SDHCI_CTRL2_SELBASECLK_MASK; - tmp |= ourhost->cur_clk << S3C_SDHCI_CTRL2_SELBASECLK_SHIFT; - writel(tmp, host->ioaddr + S3C_SDHCI_CONTROL2); - } -} - -/** - * sdhci_s3c_get_max_clk - callback to get maximum clock frequency. - * @host: The SDHCI host instance. - * - * Callback to return the maximum clock rate acheivable by the controller. -*/ -static unsigned int sdhci_s3c_get_max_clk(struct sdhci_host *host) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - struct clk *busclk; - unsigned int rate, max; - int clk; - - /* note, a reset will reset the clock source */ - - sdhci_s3c_check_sclk(host); - - for (max = 0, clk = 0; clk < MAX_BUS_CLK; clk++) { - busclk = ourhost->clk_bus[clk]; - if (!busclk) - continue; - - rate = clk_get_rate(busclk); - if (rate > max) - max = rate; - } - - return max; -} - -/** - * sdhci_s3c_consider_clock - consider one the bus clocks for current setting - * @ourhost: Our SDHCI instance. - * @src: The source clock index. - * @wanted: The clock frequency wanted. - */ -static unsigned int sdhci_s3c_consider_clock(struct sdhci_s3c *ourhost, - unsigned int src, - unsigned int wanted) -{ - unsigned long rate; - struct clk *clksrc = ourhost->clk_bus[src]; - int div; - - if (!clksrc) - return UINT_MAX; - - /* - * If controller uses a non-standard clock division, find the best clock - * speed possible with selected clock source and skip the division. - */ - if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { - rate = clk_round_rate(clksrc, wanted); - return wanted - rate; - } - - rate = clk_get_rate(clksrc); - - for (div = 1; div < 256; div *= 2) { - if ((rate / div) <= wanted) - break; - } - - dev_dbg(&ourhost->pdev->dev, "clk %d: rate %ld, want %d, got %ld\n", - src, rate, wanted, rate / div); - - return (wanted - (rate / div)); -} - -/** - * sdhci_s3c_set_clock - callback on clock change - * @host: The SDHCI host being changed - * @clock: The clock rate being requested. - * - * When the card's clock is going to be changed, look at the new frequency - * and find the best clock source to go with it. -*/ -static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - unsigned int best = UINT_MAX; - unsigned int delta; - int best_src = 0; - int src; - u32 ctrl; - - /* don't bother if the clock is going off. */ - if (clock == 0) - return; - - for (src = 0; src < MAX_BUS_CLK; src++) { - delta = sdhci_s3c_consider_clock(ourhost, src, clock); - if (delta < best) { - best = delta; - best_src = src; - } - } - - dev_dbg(&ourhost->pdev->dev, - "selected source %d, clock %d, delta %d\n", - best_src, clock, best); - - /* select the new clock source */ - - if (ourhost->cur_clk != best_src) { - struct clk *clk = ourhost->clk_bus[best_src]; - - /* turn clock off to card before changing clock source */ - writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); - - ourhost->cur_clk = best_src; - host->max_clk = clk_get_rate(clk); - - ctrl = readl(host->ioaddr + S3C_SDHCI_CONTROL2); - ctrl &= ~S3C_SDHCI_CTRL2_SELBASECLK_MASK; - ctrl |= best_src << S3C_SDHCI_CTRL2_SELBASECLK_SHIFT; - writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL2); - } - - /* reprogram default hardware configuration */ - writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, - host->ioaddr + S3C64XX_SDHCI_CONTROL4); - - ctrl = readl(host->ioaddr + S3C_SDHCI_CONTROL2); - ctrl |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR | - S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK | - S3C_SDHCI_CTRL2_ENFBCLKRX | - S3C_SDHCI_CTRL2_DFCNT_NONE | - S3C_SDHCI_CTRL2_ENCLKOUTHOLD); - writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL2); - - /* reconfigure the controller for new clock rate */ - ctrl = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); - if (clock < 25 * 1000000) - ctrl |= (S3C_SDHCI_CTRL3_FCSEL3 | S3C_SDHCI_CTRL3_FCSEL2); - writel(ctrl, host->ioaddr + S3C_SDHCI_CONTROL3); -} - -/** - * sdhci_s3c_get_min_clock - callback to get minimal supported clock value - * @host: The SDHCI host being queried - * - * To init mmc host properly a minimal clock value is needed. For high system - * bus clock's values the standard formula gives values out of allowed range. - * The clock still can be set to lower values, if clock source other then - * system bus is selected. -*/ -static unsigned int sdhci_s3c_get_min_clock(struct sdhci_host *host) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - unsigned int delta, min = UINT_MAX; - int src; - - for (src = 0; src < MAX_BUS_CLK; src++) { - delta = sdhci_s3c_consider_clock(ourhost, src, 0); - if (delta == UINT_MAX) - continue; - /* delta is a negative value in this case */ - if (-delta < min) - min = -delta; - } - return min; -} - -/* sdhci_cmu_get_max_clk - callback to get maximum clock frequency.*/ -static unsigned int sdhci_cmu_get_max_clock(struct sdhci_host *host) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - - return clk_round_rate(ourhost->clk_bus[ourhost->cur_clk], UINT_MAX); -} - -/* sdhci_cmu_get_min_clock - callback to get minimal supported clock value. */ -static unsigned int sdhci_cmu_get_min_clock(struct sdhci_host *host) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - - /* - * initial clock can be in the frequency range of - * 100KHz-400KHz, so we set it as max value. - */ - return clk_round_rate(ourhost->clk_bus[ourhost->cur_clk], 400000); -} - -/* sdhci_cmu_set_clock - callback on clock change.*/ -static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock) -{ - struct sdhci_s3c *ourhost = to_s3c(host); - unsigned long timeout; - u16 clk = 0; - - /* don't bother if the clock is going off */ - if (clock == 0) - return; - - sdhci_s3c_set_clock(host, clock); - - clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock); - - host->clock = clock; - - clk = SDHCI_CLOCK_INT_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - - /* Wait max 20 ms */ - timeout = 20; - while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) - & SDHCI_CLOCK_INT_STABLE)) { - if (timeout == 0) { - printk(KERN_ERR "%s: Internal clock never " - "stabilised.\n", mmc_hostname(host->mmc)); - return; - } - timeout--; - mdelay(1); - } - - clk |= SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); -} - -/** - * sdhci_s3c_platform_8bit_width - support 8bit buswidth - * @host: The SDHCI host being queried - * @width: MMC_BUS_WIDTH_ macro for the bus width being requested - * - * We have 8-bit width support but is not a v3 controller. - * So we add platform_8bit_width() and support 8bit width. - */ -static int sdhci_s3c_platform_8bit_width(struct sdhci_host *host, int width) -{ - u8 ctrl; - - ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); - - switch (width) { - case MMC_BUS_WIDTH_8: - ctrl |= SDHCI_CTRL_8BITBUS; - ctrl &= ~SDHCI_CTRL_4BITBUS; - break; - case MMC_BUS_WIDTH_4: - ctrl |= SDHCI_CTRL_4BITBUS; - ctrl &= ~SDHCI_CTRL_8BITBUS; - break; - default: - ctrl &= ~SDHCI_CTRL_4BITBUS; - ctrl &= ~SDHCI_CTRL_8BITBUS; - break; - } - - sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); - - return 0; -} - -static struct sdhci_ops sdhci_s3c_ops = { - .get_max_clock = sdhci_s3c_get_max_clk, - .set_clock = sdhci_s3c_set_clock, - .get_min_clock = sdhci_s3c_get_min_clock, - .platform_8bit_width = sdhci_s3c_platform_8bit_width, -}; - -static void sdhci_s3c_notify_change(struct platform_device *dev, int state) -{ - struct sdhci_host *host = platform_get_drvdata(dev); - unsigned long flags; - - if (host) { - spin_lock_irqsave(&host->lock, flags); - if (state) { - dev_dbg(&dev->dev, "card inserted.\n"); - host->flags &= ~SDHCI_DEVICE_DEAD; - host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; - } else { - dev_dbg(&dev->dev, "card removed.\n"); - host->flags |= SDHCI_DEVICE_DEAD; - host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; - } - tasklet_schedule(&host->card_tasklet); - spin_unlock_irqrestore(&host->lock, flags); - } -} - -static irqreturn_t sdhci_s3c_gpio_card_detect_thread(int irq, void *dev_id) -{ - struct sdhci_s3c *sc = dev_id; - 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); - return IRQ_HANDLED; -} - -static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc) -{ - struct s3c_sdhci_platdata *pdata = sc->pdata; - struct device *dev = &sc->pdev->dev; - - if (gpio_request(pdata->ext_cd_gpio, "SDHCI EXT CD") == 0) { - sc->ext_cd_gpio = pdata->ext_cd_gpio; - sc->ext_cd_irq = gpio_to_irq(pdata->ext_cd_gpio); - if (sc->ext_cd_irq && - request_threaded_irq(sc->ext_cd_irq, NULL, - sdhci_s3c_gpio_card_detect_thread, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - dev_name(dev), sc) == 0) { - int status = gpio_get_value(sc->ext_cd_gpio); - if (pdata->ext_cd_gpio_invert) - status = !status; - sdhci_s3c_notify_change(sc->pdev, status); - } else { - dev_warn(dev, "cannot request irq for card detect\n"); - sc->ext_cd_irq = 0; - } - } else { - dev_err(dev, "cannot request gpio for card detect\n"); - } -} - -static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data( - struct platform_device *pdev) -{ - return (struct sdhci_s3c_drv_data *) - platform_get_device_id(pdev)->driver_data; -} - -static int __devinit 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) { - 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); - } - - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - ret = -ENOMEM; - goto err_io_clk; - } - memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata)); - - drv_data = sdhci_s3c_get_driver_data(pdev); - sc = sdhci_priv(host); - - sc->host = host; - sc->pdev = pdev; - sc->pdata = pdata; - sc->ext_cd_gpio = -1; /* invalid gpio number */ - - 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[14]; - - snprintf(name, 14, "mmc_busclk.%d", ptr); - clk = 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; - - clk_enable(clk); - - 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; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - host->ioaddr = devm_request_and_ioremap(&pdev->dev, 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; - 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) { - sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; - sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; - sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; - } - - /* 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); - - return 0; - - err_req_regs: - for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { - if (sc->clk_bus[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 __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; -} - -#ifdef CONFIG_PM_SLEEP -static int sdhci_s3c_suspend(struct device *dev) -{ - struct sdhci_host *host = dev_get_drvdata(dev); - - return sdhci_suspend_host(host); -} - -static int sdhci_s3c_resume(struct device *dev) -{ - struct sdhci_host *host = dev_get_drvdata(dev); - - return sdhci_resume_host(host); -} -#endif - -#ifdef CONFIG_PM_RUNTIME -static int sdhci_s3c_runtime_suspend(struct device *dev) -{ - struct sdhci_host *host = dev_get_drvdata(dev); - - return sdhci_runtime_suspend_host(host); -} - -static int sdhci_s3c_runtime_resume(struct device *dev) -{ - struct sdhci_host *host = dev_get_drvdata(dev); - - return sdhci_runtime_resume_host(host); -} -#endif - -#ifdef CONFIG_PM -static const struct dev_pm_ops sdhci_s3c_pmops = { - SET_SYSTEM_SLEEP_PM_OPS(sdhci_s3c_suspend, sdhci_s3c_resume) - SET_RUNTIME_PM_OPS(sdhci_s3c_runtime_suspend, sdhci_s3c_runtime_resume, - NULL) -}; - -#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops) - -#else -#define SDHCI_S3C_PMOPS NULL -#endif - -#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) -static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { - .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK, -}; -#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data) -#else -#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)NULL) -#endif - -static struct platform_device_id sdhci_s3c_driver_ids[] = { - { - .name = "s3c-sdhci", - .driver_data = (kernel_ulong_t)NULL, - }, { - .name = "exynos4-sdhci", - .driver_data = EXYNOS4_SDHCI_DRV_DATA, - }, - { } -}; -MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids); - -static struct platform_driver sdhci_s3c_driver = { - .probe = sdhci_s3c_probe, - .remove = __devexit_p(sdhci_s3c_remove), - .id_table = sdhci_s3c_driver_ids, - .driver = { - .owner = THIS_MODULE, - .name = "s3c-sdhci", - .pm = SDHCI_S3C_PMOPS, - }, -}; - -module_platform_driver(sdhci_s3c_driver); - -MODULE_DESCRIPTION("Samsung SDHCI (HSMMC) glue"); -MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:s3c-sdhci"); |