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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-10 14:09:44 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-10 14:09:44 -0800
commit0eccf60bfa9190d1588b2bf07d23d7b9b3a19d9e (patch)
tree6198378343c1856ecbf1d41e52683112f940bbc2 /arch/arm/mach-omap1/board-sx1-mmc.c
parentb6ce068a1285a24185b01be8a49021827516b3e1 (diff)
parentf9166e736e516a4b1de16577b5428afd0cffe325 (diff)
downloadop-kernel-dev-0eccf60bfa9190d1588b2bf07d23d7b9b3a19d9e.zip
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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits) [ARM] constify function pointer tables [ARM] 4823/1: AT91 section fix [ARM] 4824/1: pxa: clear RDH bit after any reset [ARM] pxa: remove debugging PM: printk ARM: OMAP1: Misc clean-up ARM: OMAP1: Update defconfigs for omap1 ARM: OMAP1: Palm Tungsten E board clean-up ARM: OMAP1: Use I2C bus registration helper for omap1 ARM: OMAP1: Remove omap_sram_idle() ARM: OMAP1: PM fixes for OMAP1 ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board ARM: OMAP1: Make omap1 use MMC multislot structures ARM: OMAP1: Change the comments to C style ARM: OMAP1: Make omap1 boards to use omap_nand_platform_data ARM: OMAP: Add helper module for board specific I2C bus registration ARM: OMAP: Add dmtimer support for OMAP3 ARM: OMAP: Pre-3430 clean-up for dmtimer.c ARM: OMAP: Add DMA support for chaining and 3430 ARM: OMAP: Add 24xx GPIO debounce support ARM: OMAP: Get rid of unnecessary ifdefs in GPIO code ...
Diffstat (limited to 'arch/arm/mach-omap1/board-sx1-mmc.c')
-rw-r--r--arch/arm/mach-omap1/board-sx1-mmc.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c
new file mode 100644
index 0000000..8c93d47
--- /dev/null
+++ b/arch/arm/mach-omap1/board-sx1-mmc.c
@@ -0,0 +1,124 @@
+/*
+ * linux/arch/arm/mach-omap1/board-sx1-mmc.c
+ *
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
+ *
+ * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
+ * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
+ *
+ * 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/hardware.h>
+#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 sx1_mmc_set_power(struct device *dev, int slot, int power_on,
+ int vdd)
+{
+ int err;
+ u8 dat = 0;
+
+#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;
+ }
+
+ err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
+ if (err < 0)
+ return err;
+
+ if (power_on)
+ dat |= SOFIA_MMC_POWER;
+ else
+ dat &= ~SOFIA_MMC_POWER;
+
+ return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
+}
+
+static int sx1_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 sx1_mmc_get_cover_state(struct device *dev, int slot)
+{
+ BUG_ON(slot != 0);
+
+ return slot_cover_open;
+}
+
+void sx1_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 sx1_mmc_late_init(struct device *dev)
+{
+ int ret = 0;
+
+ mmc_device = dev;
+
+ return ret;
+}
+
+static void sx1_mmc_cleanup(struct device *dev)
+{
+}
+
+static struct omap_mmc_platform_data sx1_mmc_data = {
+ .nr_slots = 1,
+ .switch_slot = NULL,
+ .init = sx1_mmc_late_init,
+ .cleanup = sx1_mmc_cleanup,
+ .slots[0] = {
+ .set_power = sx1_mmc_set_power,
+ .set_bus_mode = sx1_mmc_set_bus_mode,
+ .get_ro = NULL,
+ .get_cover_state = sx1_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 sx1_mmc_init(void)
+{
+ omap_set_mmc_info(1, &sx1_mmc_data);
+}
+
+#else
+
+void __init sx1_mmc_init(void)
+{
+}
+
+void sx1_mmc_slot_cover_handler(void *arg, int state)
+{
+}
+#endif
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