Linux 2.6.33-rc2
[pohmelfs.git] / include / linux / usb / musb.h
blobd43755669261a6a1406af177d01b2c13ddf2ab77
1 /*
2 * This is used to for host and peripheral modes of the driver for
3 * Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC.
5 * Board initialization should put one of these into dev->platform_data,
6 * probably on some platform_device named "musb_hdrc". It encapsulates
7 * key configuration differences between boards.
8 */
10 #ifndef __LINUX_USB_MUSB_H
11 #define __LINUX_USB_MUSB_H
13 /* The USB role is defined by the connector used on the board, so long as
14 * standards are being followed. (Developer boards sometimes won't.)
16 enum musb_mode {
17 MUSB_UNDEFINED = 0,
18 MUSB_HOST, /* A or Mini-A connector */
19 MUSB_PERIPHERAL, /* B or Mini-B connector */
20 MUSB_OTG /* Mini-AB connector */
23 struct clk;
25 struct musb_hdrc_eps_bits {
26 const char name[16];
27 u8 bits;
30 struct musb_hdrc_config {
31 /* MUSB configuration-specific details */
32 unsigned multipoint:1; /* multipoint device */
33 unsigned dyn_fifo:1; /* supports dynamic fifo sizing */
34 unsigned soft_con:1; /* soft connect required */
35 unsigned utm_16:1; /* utm data witdh is 16 bits */
36 unsigned big_endian:1; /* true if CPU uses big-endian */
37 unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */
38 unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */
39 unsigned high_iso_tx:1; /* Tx ep required for HB iso */
40 unsigned high_iso_rx:1; /* Rx ep required for HD iso */
41 unsigned dma:1; /* supports DMA */
42 unsigned vendor_req:1; /* vendor registers required */
44 u8 num_eps; /* number of endpoints _with_ ep0 */
45 u8 dma_channels; /* number of dma channels */
46 u8 dyn_fifo_size; /* dynamic size in bytes */
47 u8 vendor_ctrl; /* vendor control reg width */
48 u8 vendor_stat; /* vendor status reg witdh */
49 u8 dma_req_chan; /* bitmask for required dma channels */
50 u8 ram_bits; /* ram address size */
52 struct musb_hdrc_eps_bits *eps_bits;
53 #ifdef CONFIG_BLACKFIN
54 /* A GPIO controlling VRSEL in Blackfin */
55 unsigned int gpio_vrsel;
56 #endif
60 struct musb_hdrc_platform_data {
61 /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
62 u8 mode;
64 /* for clk_get() */
65 const char *clock;
67 /* (HOST or OTG) switch VBUS on/off */
68 int (*set_vbus)(struct device *dev, int is_on);
70 /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
71 u8 power;
73 /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */
74 u8 min_power;
76 /* (HOST or OTG) msec/2 after VBUS on till power good */
77 u8 potpgt;
79 /* Power the device on or off */
80 int (*set_power)(int state);
82 /* Turn device clock on or off */
83 int (*set_clock)(struct clk *clock, int is_on);
85 /* MUSB configuration-specific details */
86 struct musb_hdrc_config *config;
90 /* TUSB 6010 support */
92 #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */
93 #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */
94 #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */
96 #ifdef CONFIG_ARCH_OMAP2
98 extern int __init tusb6010_setup_interface(
99 struct musb_hdrc_platform_data *data,
100 unsigned ps_refclk, unsigned waitpin,
101 unsigned async_cs, unsigned sync_cs,
102 unsigned irq, unsigned dmachan);
104 extern int tusb6010_platform_retime(unsigned is_refclk);
106 #endif /* OMAP2 */
108 #endif /* __LINUX_USB_MUSB_H */