ARM: OMAP1: Make omap1 use MMC multislot structures

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap1 / board-h2-mmc.c

diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
new file mode 100644 (file)
index 0000000..6fdc784
--- /dev/null
+++ b/arch/arm/mach-omap1/board-h2-mmc.c
@@ -0,0 +1,110 @@
+/*
+ * linux/arch/arm/mach-omap1/board-h2-mmc.c
+ *
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ * Author: Felipe Balbi <felipe.lima@indt.org.br>
+ *
+ * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
+ * Copyright (C) 2006 Nokia Corporation
+ *
+ * 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 <asm/arch/mmc.h>
+#include <asm/arch/gpio.h>
+
+#ifdef CONFIG_MMC_OMAP
+static int slot_cover_open;
+static struct device *mmc_device;
+
+static int h2_mmc_set_power(struct device *dev, int slot, int power_on,
+                               int vdd)
+{
+#ifdef CONFIG_MMC_DEBUG
+       dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
+               power_on ? "on" : "off", vdd);
+#endif
+       if (slot != 0) {
+               dev_err(dev, "No such slot %d\n", slot + 1);
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int h2_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
+{
+#ifdef CONFIG_MMC_DEBUG
+       dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
+               bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
+#endif
+       if (slot != 0) {
+               dev_err(dev, "No such slot %d\n", slot + 1);
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int h2_mmc_get_cover_state(struct device *dev, int slot)
+{
+       BUG_ON(slot != 0);
+
+       return slot_cover_open;
+}
+
+void h2_mmc_slot_cover_handler(void *arg, int state)
+{
+       if (mmc_device == NULL)
+               return;
+
+       slot_cover_open = state;
+       omap_mmc_notify_cover_event(mmc_device, 0, state);
+}
+
+static int h2_mmc_late_init(struct device *dev)
+{
+       int ret = 0;
+
+       mmc_device = dev;
+
+       return ret;
+}
+
+static void h2_mmc_cleanup(struct device *dev)
+{
+}
+
+static struct omap_mmc_platform_data h2_mmc_data = {
+       .nr_slots                       = 1,
+       .switch_slot                    = NULL,
+       .init                           = h2_mmc_late_init,
+       .cleanup                        = h2_mmc_cleanup,
+       .slots[0]       = {
+               .set_power              = h2_mmc_set_power,
+               .set_bus_mode           = h2_mmc_set_bus_mode,
+               .get_ro                 = NULL,
+               .get_cover_state        = h2_mmc_get_cover_state,
+               .ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
+                                         MMC_VDD_32_33 | MMC_VDD_33_34,
+               .name                   = "mmcblk",
+       },
+};
+
+void __init h2_mmc_init(void)
+{
+       omap_set_mmc_info(1, &h2_mmc_data);
+}
+
+#else
+
+void __init h2_mmc_init(void)
+{
+}
+
+void h2_mmc_slot_cover_handler(void *arg, int state)
+{
+}
+#endif