zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/mux.h b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/mux.h
new file mode 100644
index 0000000..69fe060
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/mux.h
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2009 Nokia
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#include "mux2420.h"
+#include "mux2430.h"
+#include "mux34xx.h"
+#include "mux44xx.h"
+
+#define OMAP_MUX_TERMINATOR 0xffff
+
+/* 34xx mux mode options for each pin. See TRM for options */
+#define OMAP_MUX_MODE0 0
+#define OMAP_MUX_MODE1 1
+#define OMAP_MUX_MODE2 2
+#define OMAP_MUX_MODE3 3
+#define OMAP_MUX_MODE4 4
+#define OMAP_MUX_MODE5 5
+#define OMAP_MUX_MODE6 6
+#define OMAP_MUX_MODE7 7
+
+/* 24xx/34xx mux bit defines */
+#define OMAP_PULL_ENA (1 << 3)
+#define OMAP_PULL_UP (1 << 4)
+#define OMAP_ALTELECTRICALSEL (1 << 5)
+
+/* 34xx specific mux bit defines */
+#define OMAP_INPUT_EN (1 << 8)
+#define OMAP_OFF_EN (1 << 9)
+#define OMAP_OFFOUT_EN (1 << 10)
+#define OMAP_OFFOUT_VAL (1 << 11)
+#define OMAP_OFF_PULL_EN (1 << 12)
+#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_PIN_INPUT_PULLUP (OMAP_PULL_ENA | OMAP_INPUT_EN \
+ | OMAP_PULL_UP)
+#define OMAP_PIN_INPUT_PULLDOWN (OMAP_PULL_ENA | OMAP_INPUT_EN)
+
+/* Off mode states */
+#define OMAP_PIN_OFF_NONE 0
+#define OMAP_PIN_OFF_OUTPUT_HIGH (OMAP_OFF_EN | OMAP_OFFOUT_EN \
+ | OMAP_OFFOUT_VAL)
+#define OMAP_PIN_OFF_OUTPUT_LOW (OMAP_OFF_EN | OMAP_OFFOUT_EN)
+#define OMAP_PIN_OFF_INPUT_PULLUP (OMAP_OFF_EN | OMAP_OFF_PULL_EN \
+ | OMAP_OFF_PULL_UP)
+#define OMAP_PIN_OFF_INPUT_PULLDOWN (OMAP_OFF_EN | OMAP_OFF_PULL_EN)
+#define OMAP_PIN_OFF_WAKEUPENABLE OMAP_WAKEUP_EN
+
+#define OMAP_MODE_GPIO(x) (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE4)
+
+/* 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_CBC 3 /* 515-pin 0.50 0.65 */
+#define OMAP_PACKAGE_ZAC 2 /* 24xx 447-pin POP */
+#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 */
+
+/*
+ * 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 gpio;
+#ifdef CONFIG_OMAP_MUX
+ char *muxnames[OMAP_MUX_NR_MODES];
+#ifdef CONFIG_DEBUG_FS
+ char *balls[OMAP_MUX_NR_SIDES];
+#endif
+#endif
+};
+
+/**
+ * struct omap_ball - data for balls on omap package
+ * @reg_offset: mux register offset from the mux base
+ * @balls: available balls on the package
+ */
+struct omap_ball {
+ u16 reg_offset;
+ char *balls[OMAP_MUX_NR_SIDES];
+};
+
+/**
+ * struct omap_board_mux - data for initializing mux registers
+ * @reg_offset: mux register offset from the mux base
+ * @mux_value: desired mux value to set
+ */
+struct omap_board_mux {
+ u16 reg_offset;
+ u16 value;
+};
+
+#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;
+
+#define OMAP_MUX_STATIC(signal, mode) \
+{ \
+ .name = (signal), \
+ .enable = (mode), \
+}
+
+#if defined(CONFIG_OMAP_MUX)
+
+/**
+ * omap_mux_init_gpio - initialize a signal based on the GPIO number
+ * @gpio: GPIO number
+ * @val: Options for the mux register value
+ */
+int omap_mux_init_gpio(int gpio, int val);
+
+/**
+ * omap_mux_init_signal - initialize a signal based on the signal name
+ * @muxname: Mux name in mode0_name.signal_name format
+ * @val: Options for the mux register value
+ */
+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 int omap_mux_init_signal(char *muxname, 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 __maybe_unused;
+
+#endif
+
+/**
+ * omap_mux_get_gpio() - get mux register value based on GPIO number
+ * @gpio: GPIO number
+ *
+ */
+u16 omap_mux_get_gpio(int gpio);
+
+/**
+ * omap_mux_set_gpio() - set mux register value based on GPIO number
+ * @val: New mux register value
+ * @gpio: GPIO number
+ *
+ */
+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(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(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_mux_partition *p,
+ struct omap_board_mux *board_mux);
+
+/**
+ * omap2420_mux_init() - initialize mux system with board specific set
+ * @board_mux: Board specific mux table
+ * @flags: OMAP package type used for the board
+ */
+int omap2420_mux_init(struct omap_board_mux *board_mux, int flags);
+
+/**
+ * omap2430_mux_init() - initialize mux system with board specific set
+ * @board_mux: Board specific mux table
+ * @flags: OMAP package type used for the board
+ */
+int omap2430_mux_init(struct omap_board_mux *board_mux, int flags);
+
+/**
+ * omap3_mux_init() - initialize mux system with board specific set
+ * @board_mux: Board specific mux table
+ * @flags: OMAP package type used for the board
+ */
+int omap3_mux_init(struct omap_board_mux *board_mux, int flags);
+
+/**
+ * omap4_mux_init() - initialize mux system with board specific set
+ * @board_subset: Board specific mux table
+ * @board_wkup_subset: Board specific mux table for wakeup instance
+ * @flags: OMAP package type used for the board
+ */
+int omap4_mux_init(struct omap_board_mux *board_subset,
+ struct omap_board_mux *board_wkup_subset, int flags);
+
+/**
+ * omap_mux_init - private mux init function, do not call
+ */
+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);
+