1 files changed, 146 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/mmc/host/tmio_mmc.c b/ANDROID_3.4.5/drivers/mmc/host/tmio_mmc.c
new file mode 100644
index 00000000..113ce6c9
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/mmc/host/tmio_mmc.c
@@ -0,0 +1,146 @@
+/*
+ * linux/drivers/mmc/host/tmio_mmc.c
+ *
+ * Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2004 Ian Molton
+ *
+ * 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.
+ *
+ * Driver for the MMC / SD / SDIO cell found in:
+ *
+ * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
+ */
+
+#include <linux/device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/module.h>
+#include <linux/pagemap.h>
+#include <linux/scatterlist.h>
+
+#include "tmio_mmc.h"
+
+#ifdef CONFIG_PM
+static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
+{
+	const struct mfd_cell *cell = mfd_get_cell(dev);
+	int ret;
+
+	ret = tmio_mmc_host_suspend(&dev->dev);
+
+	/* Tell MFD core it can disable us now.*/
+	if (!ret && cell->disable)
+		cell->disable(dev);
+
+	return ret;
+}
+
+static int tmio_mmc_resume(struct platform_device *dev)
+{
+	const struct mfd_cell *cell = mfd_get_cell(dev);
+	int ret = 0;
+
+	/* Tell the MFD core we are ready to be enabled */
+	if (cell->resume)
+		ret = cell->resume(dev);
+
+	if (!ret)
+		ret = tmio_mmc_host_resume(&dev->dev);
+
+	return ret;
+}
+#else
+#define tmio_mmc_suspend NULL
+#define tmio_mmc_resume NULL
+#endif
+
+static int __devinit tmio_mmc_probe(struct platform_device *pdev)
+{
+	const struct mfd_cell *cell = mfd_get_cell(pdev);
+	struct tmio_mmc_data *pdata;
+	struct tmio_mmc_host *host;
+	int ret = -EINVAL, irq;
+
+	if (pdev->num_resources != 2)
+		goto out;
+
+	pdata = pdev->dev.platform_data;
+	if (!pdata || !pdata->hclk)
+		goto out;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		ret = irq;
+		goto out;
+	}
+
+	/* Tell the MFD core we are ready to be enabled */
+	if (cell->enable) {
+		ret = cell->enable(pdev);
+		if (ret)
+			goto out;
+	}
+
+	ret = tmio_mmc_host_probe(&host, pdev, pdata);
+	if (ret)
+		goto cell_disable;
+
+	ret = request_irq(irq, tmio_mmc_irq, IRQF_TRIGGER_FALLING,
+				dev_name(&pdev->dev), host);
+	if (ret)
+		goto host_remove;
+
+	pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
+		(unsigned long)host->ctl, irq);
+
+	return 0;
+
+host_remove:
+	tmio_mmc_host_remove(host);
+cell_disable:
+	if (cell->disable)
+		cell->disable(pdev);
+out:
+	return ret;
+}
+
+static int __devexit tmio_mmc_remove(struct platform_device *pdev)
+{
+	const struct mfd_cell *cell = mfd_get_cell(pdev);
+	struct mmc_host *mmc = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (mmc) {
+		struct tmio_mmc_host *host = mmc_priv(mmc);
+		free_irq(platform_get_irq(pdev, 0), host);
+		tmio_mmc_host_remove(host);
+		if (cell->disable)
+			cell->disable(pdev);
+	}
+
+	return 0;
+}
+
+/* ------------------- device registration ----------------------- */
+
+static struct platform_driver tmio_mmc_driver = {
+	.driver = {
+		.name = "tmio-mmc",
+		.owner = THIS_MODULE,
+	},
+	.probe = tmio_mmc_probe,
+	.remove = __devexit_p(tmio_mmc_remove),
+	.suspend = tmio_mmc_suspend,
+	.resume = tmio_mmc_resume,
+};
+
+module_platform_driver(tmio_mmc_driver);
+
+MODULE_DESCRIPTION("Toshiba TMIO SD/MMC driver");
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tmio-mmc");