Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / platform_data / mmc-omap.h

diff --git a/kernel/include/linux/platform_data/mmc-omap.h b/kernel/include/linux/platform_data/mmc-omap.h
new file mode 100644 (file)
index 0000000..9294692
--- /dev/null
+++ b/kernel/include/linux/platform_data/mmc-omap.h
@@ -0,0 +1,121 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * 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.
+ */
+
+#define OMAP_MMC_MAX_SLOTS     2
+
+struct mmc_card;
+
+struct omap_mmc_platform_data {
+       /* back-link to device */
+       struct device *dev;
+
+       /* number of slots per controller */
+       unsigned nr_slots:2;
+
+       /* set if your board has components or wiring that limits the
+        * maximum frequency on the MMC bus */
+       unsigned int max_freq;
+
+       /* switch the bus to a new slot */
+       int (*switch_slot)(struct device *dev, int slot);
+       /* initialize board-specific MMC functionality, can be NULL if
+        * not supported */
+       int (*init)(struct device *dev);
+       void (*cleanup)(struct device *dev);
+       void (*shutdown)(struct device *dev);
+
+       /* Return context loss count due to PM states changing */
+       int (*get_context_loss_count)(struct device *dev);
+
+       /* Integrating attributes from the omap_hwmod layer */
+       u8 controller_flags;
+
+       /* Register offset deviation */
+       u16 reg_offset;
+
+       struct omap_mmc_slot_data {
+
+               /*
+                * 4/8 wires and any additional host capabilities
+                * need to OR'd all capabilities (ref. linux/mmc/host.h)
+                */
+               u8  wires;      /* Used for the MMC driver on omap1 and 2420 */
+               u32 caps;       /* Used for the MMC driver on 2430 and later */
+               u32 pm_caps;    /* PM capabilities of the mmc */
+
+               /*
+                * nomux means "standard" muxing is wrong on this board, and
+                * that board-specific code handled it before common init logic.
+                */
+               unsigned nomux:1;
+
+               /* switch pin can be for card detect (default) or card cover */
+               unsigned cover:1;
+
+               /* use the internal clock */
+               unsigned internal_clock:1;
+
+               /* nonremovable e.g. eMMC */
+               unsigned nonremovable:1;
+
+               /* Try to sleep or power off when possible */
+               unsigned power_saving:1;
+
+               /* If using power_saving and the MMC power is not to go off */
+               unsigned no_off:1;
+
+               /* eMMC does not handle power off when not in sleep state */
+               unsigned no_regulator_off_init:1;
+
+               /* Regulator off remapped to sleep */
+               unsigned vcc_aux_disable_is_sleep:1;
+
+               /* we can put the features above into this variable */
+#define MMC_OMAP7XX            (1 << 3)
+#define MMC_OMAP15XX           (1 << 4)
+#define MMC_OMAP16XX           (1 << 5)
+               unsigned features;
+
+               int switch_pin;                 /* gpio (card detect) */
+               int gpio_wp;                    /* gpio (write protect) */
+
+               int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
+               int (*set_power)(struct device *dev, int slot,
+                                int power_on, int vdd);
+               int (*get_ro)(struct device *dev, int slot);
+               void (*remux)(struct device *dev, int slot, int power_on);
+               /* Call back before enabling / disabling regulators */
+               void (*before_set_reg)(struct device *dev, int slot,
+                                      int power_on, int vdd);
+               /* Call back after enabling / disabling regulators */
+               void (*after_set_reg)(struct device *dev, int slot,
+                                     int power_on, int vdd);
+               /* if we have special card, init it using this callback */
+               void (*init_card)(struct mmc_card *card);
+
+               /* return MMC cover switch state, can be NULL if not supported.
+                *
+                * possible return values:
+                *   0 - closed
+                *   1 - open
+                */
+               int (*get_cover_state)(struct device *dev, int slot);
+
+               const char *name;
+               u32 ocr_mask;
+
+               /* Card detection IRQs */
+               int card_detect_irq;
+               int (*card_detect)(struct device *dev, int slot);
+
+               unsigned int ban_openended:1;
+
+       } slots[OMAP_MMC_MAX_SLOTS];
+};