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root/include/linux/usb/musb.h

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/*
 * This is used to for host and peripheral modes of the driver for
 * Inventra (Multidrop) Highspeed Dual-Role Controllers:  (M)HDRC.
 *
 * Board initialization should put one of these into dev->platform_data,
 * probably on some platform_device named "musb_hdrc".  It encapsulates
 * key configuration differences between boards.
 */

/* The USB role is defined by the connector used on the board, so long as
 * standards are being followed.  (Developer boards sometimes won't.)
 */
enum musb_mode {
        MUSB_UNDEFINED = 0,
        MUSB_HOST,              /* A or Mini-A connector */
        MUSB_PERIPHERAL,        /* B or Mini-B connector */
        MUSB_OTG                /* Mini-AB connector */
};

struct clk;

struct musb_hdrc_eps_bits {
        const char      name[16];
        u8              bits;
};

struct musb_hdrc_config {
        /* MUSB configuration-specific details */
        unsigned        multipoint:1;   /* multipoint device */
        unsigned        dyn_fifo:1;     /* supports dynamic fifo sizing */
        unsigned        soft_con:1;     /* soft connect required */
        unsigned        utm_16:1;       /* utm data witdh is 16 bits */
        unsigned        big_endian:1;   /* true if CPU uses big-endian */
        unsigned        mult_bulk_tx:1; /* Tx ep required for multbulk pkts */
        unsigned        mult_bulk_rx:1; /* Rx ep required for multbulk pkts */
        unsigned        high_iso_tx:1;  /* Tx ep required for HB iso */
        unsigned        high_iso_rx:1;  /* Rx ep required for HD iso */
        unsigned        dma:1;          /* supports DMA */
        unsigned        vendor_req:1;   /* vendor registers required */

        u8              num_eps;        /* number of endpoints _with_ ep0 */
        u8              dma_channels;   /* number of dma channels */
        u8              dyn_fifo_size;  /* dynamic size in bytes */
        u8              vendor_ctrl;    /* vendor control reg width */
        u8              vendor_stat;    /* vendor status reg witdh */
        u8              dma_req_chan;   /* bitmask for required dma channels */
        u8              ram_bits;       /* ram address size */

        struct musb_hdrc_eps_bits *eps_bits;
};

struct musb_hdrc_platform_data {
        /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
        u8              mode;

        /* for clk_get() */
        const char      *clock;

        /* (HOST or OTG) switch VBUS on/off */
        int             (*set_vbus)(struct device *dev, int is_on);

        /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
        u8              power;

        /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */
        u8              min_power;

        /* (HOST or OTG) msec/2 after VBUS on till power good */
        u8              potpgt;

        /* Power the device on or off */
        int             (*set_power)(int state);

        /* Turn device clock on or off */
        int             (*set_clock)(struct clk *clock, int is_on);

        /* MUSB configuration-specific details */
        struct musb_hdrc_config *config;
};


/* TUSB 6010 support */

#define TUSB6010_OSCCLK_60      16667   /* psec/clk @ 60.0 MHz */
#define TUSB6010_REFCLK_24      41667   /* psec/clk @ 24.0 MHz XI */
#define TUSB6010_REFCLK_19      52083   /* psec/clk @ 19.2 MHz CLKIN */

#ifdef  CONFIG_ARCH_OMAP2

extern int __init tusb6010_setup_interface(
                struct musb_hdrc_platform_data *data,
                unsigned ps_refclk, unsigned waitpin,
                unsigned async_cs, unsigned sync_cs,
                unsigned irq, unsigned dmachan);

extern int tusb6010_platform_retime(unsigned is_refclk);

#endif  /* OMAP2 */

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