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authorFelipe Balbi <felipe.lima@indt.org.br>2007-11-27 04:01:45 (GMT)
committerTony Lindgren <tony@atomide.com>2008-02-08 18:38:01 (GMT)
commit138ab9f8321f67c71984ca43222efa71b0a0a0a9 (patch)
tree57e8bcabfb647fd2ecad10d3641ef2041857ff09 /arch/arm/mach-omap1/board-h2-mmc.c
parent6e2d4107245cc0411959e91d7a1613e15097f117 (diff)
downloadlinux-138ab9f8321f67c71984ca43222efa71b0a0a0a9.tar.xz
ARM: OMAP1: Make omap1 use MMC multislot structures
Make omap1 use new MMC multislot structures. The related MMC patches will be sent separately. Signed-off-by: Felipe Balbi <felipe.lima@indt.org.br> Signed-off-by: Anderson Briglia <anderson.briglia@indt.org.br> Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br> Signed-off-by: David Cohen <david.cohen@indt.org.br> Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1/board-h2-mmc.c')
-rw-r--r--arch/arm/mach-omap1/board-h2-mmc.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
new file mode 100644
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