/*
* Copyright (C) 2009 Nokia
- * Copyright (C) 2009 Texas Instruments
+ * Copyright (C) 2009-2010 Texas Instruments
*
* 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
#include "mux2420.h"
#include "mux2430.h"
#include "mux34xx.h"
+#include "mux44xx.h"
#define OMAP_MUX_TERMINATOR 0xffff
#define OMAP_OFF_PULL_UP (1 << 13)
#define OMAP_WAKEUP_EN (1 << 14)
+/* 44xx specific mux bit defines */
+#define OMAP_WAKEUP_EVENT (1 << 15)
+
/* Active pin states */
#define OMAP_PIN_OUTPUT 0
#define OMAP_PIN_INPUT OMAP_INPUT_EN
#define OMAP_MODE_GPIO(x) (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE4)
-/* Flags for omap_mux_init */
+/* Flags for omapX_mux_init */
#define OMAP_PACKAGE_MASK 0xffff
+#define OMAP_PACKAGE_CBS 8 /* 547-pin 0.40 0.40 */
+#define OMAP_PACKAGE_CBL 7 /* 547-pin 0.40 0.40 */
#define OMAP_PACKAGE_CBP 6 /* 515-pin 0.40 0.50 */
#define OMAP_PACKAGE_CUS 5 /* 423-pin 0.65 */
#define OMAP_PACKAGE_CBB 4 /* 515-pin 0.40 0.50 */
#define OMAP_PACKAGE_ZAF 1 /* 2420 447-pin SIP */
-#define OMAP_MUX_NR_MODES 8 /* Available modes */
-#define OMAP_MUX_NR_SIDES 2 /* Bottom & top */
+#define OMAP_MUX_NR_MODES 8 /* Available modes */
+#define OMAP_MUX_NR_SIDES 2 /* Bottom & top */
+
+/*
+ * omap_mux_init flags definition:
+ *
+ * OMAP_MUX_REG_8BIT: Ensure that access to padconf is done in 8 bits.
+ * The default value is 16 bits.
+ * OMAP_MUX_GPIO_IN_MODE3: The GPIO is selected in mode3.
+ * The default is mode4.
+ */
+#define OMAP_MUX_REG_8BIT (1 << 0)
+#define OMAP_MUX_GPIO_IN_MODE3 (1 << 1)
+
+/**
+ * struct omap_board_data - board specific device data
+ * @id: instance id
+ * @flags: additional flags for platform init code
+ * @pads: array of device specific pads
+ * @pads_cnt: ARRAY_SIZE() of pads
+ */
+struct omap_board_data {
+ int id;
+ u32 flags;
+ struct omap_device_pad *pads;
+ int pads_cnt;
+};
+
+/**
+ * struct mux_partition - contain partition related information
+ * @name: name of the current partition
+ * @flags: flags specific to this partition
+ * @phys: physical address
+ * @size: partition size
+ * @base: virtual address after ioremap
+ * @muxmodes: list of nodes that belong to a partition
+ * @node: list node for the partitions linked list
+ */
+struct omap_mux_partition {
+ const char *name;
+ u32 flags;
+ u32 phys;
+ u32 size;
+ void __iomem *base;
+ struct list_head muxmodes;
+ struct list_head node;
+};
/**
* struct omap_mux - data for omap mux register offset and it's value
* @reg_offset: mux register offset from the mux base
* @gpio: GPIO number
* @muxnames: available signal modes for a ball
+ * @balls: available balls on the package
+ * @partition: mux partition
*/
struct omap_mux {
u16 reg_offset;
u16 value;
};
+#define OMAP_DEVICE_PAD_ENABLED BIT(7) /* Not needed for board-*.c */
+#define OMAP_DEVICE_PAD_REMUX BIT(1) /* Dynamically remux a pad,
+ needs enable, idle and off
+ values */
+#define OMAP_DEVICE_PAD_WAKEUP BIT(0) /* Pad is wake-up capable */
+
+/**
+ * struct omap_device_pad - device specific pad configuration
+ * @name: signal name
+ * @flags: pad specific runtime flags
+ * @enable: runtime value for a pad
+ * @idle: idle value for a pad
+ * @off: off value for a pad, defaults to safe mode
+ * @partition: mux partition
+ * @mux: mux register
+ */
+struct omap_device_pad {
+ char *name;
+ u8 flags;
+ u16 enable;
+ u16 idle;
+ u16 off;
+ struct omap_mux_partition *partition;
+ struct omap_mux *mux;
+};
+
+struct omap_hwmod_mux_info;
+
#if defined(CONFIG_OMAP_MUX)
/**
*/
int omap_mux_init_signal(const char *muxname, int val);
+/**
+ * omap_hwmod_mux_init - initialize hwmod specific mux data
+ * @bpads: Board specific device signal names
+ * @nr_pads: Number of signal names for the device
+ */
+extern struct omap_hwmod_mux_info *
+omap_hwmod_mux_init(struct omap_device_pad *bpads, int nr_pads);
+
+/**
+ * omap_hwmod_mux - omap hwmod specific pin muxing
+ * @hmux: Pads for a hwmod
+ * @state: Desired _HWMOD_STATE
+ *
+ * Called only from omap_hwmod.c, do not use.
+ */
+void omap_hwmod_mux(struct omap_hwmod_mux_info *hmux, u8 state);
+
#else
static inline int omap_mux_init_gpio(int gpio, int val)
return 0;
}
+static inline struct omap_hwmod_mux_info *
+omap_hwmod_mux_init(struct omap_device_pad *bpads, int nr_pads)
+{
+ return NULL;
+}
+
+static inline void omap_hwmod_mux(struct omap_hwmod_mux_info *hmux, u8 state)
+{
+}
+
+static struct omap_board_mux *board_mux __initdata __maybe_unused;
+
#endif
/**
*/
void omap_mux_set_gpio(u16 val, int gpio);
+/**
+ * omap_mux_get() - get a mux partition by name
+ * @name: Name of the mux partition
+ *
+ */
+struct omap_mux_partition *omap_mux_get(const char *name);
+
/**
* omap_mux_read() - read mux register
+ * @partition: Mux partition
* @mux_offset: Offset of the mux register
*
*/
-u16 omap_mux_read(u16 mux_offset);
+u16 omap_mux_read(struct omap_mux_partition *p, u16 mux_offset);
/**
* omap_mux_write() - write mux register
+ * @partition: Mux partition
* @val: New mux register value
* @mux_offset: Offset of the mux register
*
* This should be only needed for dynamic remuxing of non-gpio signals.
*/
-void omap_mux_write(u16 val, u16 mux_offset);
+void omap_mux_write(struct omap_mux_partition *p, u16 val, u16 mux_offset);
/**
* omap_mux_write_array() - write an array of mux registers
+ * @partition: Mux partition
* @board_mux: Array of mux registers terminated by MAP_MUX_TERMINATOR
*
* This should be only needed for dynamic remuxing of non-gpio signals.
*/
-void omap_mux_write_array(struct omap_board_mux *board_mux);
+void omap_mux_write_array(struct omap_mux_partition *p,
+ struct omap_board_mux *board_mux);
/**
* omap2420_mux_init() - initialize mux system with board specific set
*/
int omap3_mux_init(struct omap_board_mux *board_mux, int flags);
+/**
+ * omap4_mux_init() - initialize mux system with board specific set
+ * @board_mux: Board specific mux table
+ * @flags: OMAP package type used for the board
+ */
+int omap4_mux_init(struct omap_board_mux *board_mux, int flags);
+
/**
* omap_mux_init - private mux init function, do not call
*/
-int omap_mux_init(u32 mux_pbase, u32 mux_size,
- struct omap_mux *superset,
- struct omap_mux *package_subset,
- struct omap_board_mux *board_mux,
- struct omap_ball *package_balls);
+int omap_mux_init(const char *name, u32 flags,
+ u32 mux_pbase, u32 mux_size,
+ struct omap_mux *superset,
+ struct omap_mux *package_subset,
+ struct omap_board_mux *board_mux,
+ struct omap_ball *package_balls);
+
git.openpandora.org / pandora-kernel.git / blobdiff