diff options
Diffstat (limited to 'drivers/mmc/host/au1xmmc.c')
| -rw-r--r-- | drivers/mmc/host/au1xmmc.c | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c index 3f15eb20489..d3f55615c09 100644 --- a/drivers/mmc/host/au1xmmc.c +++ b/drivers/mmc/host/au1xmmc.c @@ -61,7 +61,13 @@ /* Hardware definitions */ #define AU1XMMC_DESCRIPTOR_COUNT 1 -#define AU1XMMC_DESCRIPTOR_SIZE 2048 + +/* max DMA seg size: 64KB on Au1100, 4MB on Au1200 */ +#ifdef CONFIG_SOC_AU1100 +#define AU1XMMC_DESCRIPTOR_SIZE 0x0000ffff +#else /* Au1200 */ +#define AU1XMMC_DESCRIPTOR_SIZE 0x003fffff +#endif #define AU1XMMC_OCR (MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 | \ MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 | \ @@ -1043,7 +1049,7 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev) goto out6; } - platform_set_drvdata(pdev, mmc); + platform_set_drvdata(pdev, host); printk(KERN_INFO DRIVER_NAME ": MMC Controller %d set up at %8.8X" " (mode=%s)\n", pdev->id, host->iobase, @@ -1087,13 +1093,10 @@ out0: static int __devexit au1xmmc_remove(struct platform_device *pdev) { - struct mmc_host *mmc = platform_get_drvdata(pdev); - struct au1xmmc_host *host; - - if (mmc) { - host = mmc_priv(mmc); + struct au1xmmc_host *host = platform_get_drvdata(pdev); - mmc_remove_host(mmc); + if (host) { + mmc_remove_host(host->mmc); #ifdef CONFIG_LEDS_CLASS if (host->platdata && host->platdata->led) @@ -1101,8 +1104,8 @@ static int __devexit au1xmmc_remove(struct platform_device *pdev) #endif if (host->platdata && host->platdata->cd_setup && - !(mmc->caps & MMC_CAP_NEEDS_POLL)) - host->platdata->cd_setup(mmc, 0); + !(host->mmc->caps & MMC_CAP_NEEDS_POLL)) + host->platdata->cd_setup(host->mmc, 0); au_writel(0, HOST_ENABLE(host)); au_writel(0, HOST_CONFIG(host)); @@ -1122,16 +1125,49 @@ static int __devexit au1xmmc_remove(struct platform_device *pdev) release_resource(host->ioarea); kfree(host->ioarea); - mmc_free_host(mmc); + mmc_free_host(host->mmc); + platform_set_drvdata(pdev, NULL); } return 0; } +#ifdef CONFIG_PM +static int au1xmmc_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct au1xmmc_host *host = platform_get_drvdata(pdev); + int ret; + + ret = mmc_suspend_host(host->mmc, state); + if (ret) + return ret; + + au_writel(0, HOST_CONFIG2(host)); + au_writel(0, HOST_CONFIG(host)); + au_writel(0xffffffff, HOST_STATUS(host)); + au_writel(0, HOST_ENABLE(host)); + au_sync(); + + return 0; +} + +static int au1xmmc_resume(struct platform_device *pdev) +{ + struct au1xmmc_host *host = platform_get_drvdata(pdev); + + au1xmmc_reset_controller(host); + + return mmc_resume_host(host->mmc); +} +#else +#define au1xmmc_suspend NULL +#define au1xmmc_resume NULL +#endif + static struct platform_driver au1xmmc_driver = { .probe = au1xmmc_probe, .remove = au1xmmc_remove, - .suspend = NULL, - .resume = NULL, + .suspend = au1xmmc_suspend, + .resume = au1xmmc_resume, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, |