diff options
Diffstat (limited to 'include/linux/usb/musb.h')
-rw-r--r-- | include/linux/usb/musb.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h new file mode 100644 index 000000000000..630962c04ca4 --- /dev/null +++ b/include/linux/usb/musb.h | |||
@@ -0,0 +1,98 @@ | |||
1 | /* | ||
2 | * This is used to for host and peripheral modes of the driver for | ||
3 | * Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC. | ||
4 | * | ||
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 | */ | ||
9 | |||
10 | /* The USB role is defined by the connector used on the board, so long as | ||
11 | * standards are being followed. (Developer boards sometimes won't.) | ||
12 | */ | ||
13 | enum musb_mode { | ||
14 | MUSB_UNDEFINED = 0, | ||
15 | MUSB_HOST, /* A or Mini-A connector */ | ||
16 | MUSB_PERIPHERAL, /* B or Mini-B connector */ | ||
17 | MUSB_OTG /* Mini-AB connector */ | ||
18 | }; | ||
19 | |||
20 | struct clk; | ||
21 | |||
22 | struct musb_hdrc_eps_bits { | ||
23 | const char name[16]; | ||
24 | u8 bits; | ||
25 | }; | ||
26 | |||
27 | struct musb_hdrc_config { | ||
28 | /* MUSB configuration-specific details */ | ||
29 | unsigned multipoint:1; /* multipoint device */ | ||
30 | unsigned dyn_fifo:1; /* supports dynamic fifo sizing */ | ||
31 | unsigned soft_con:1; /* soft connect required */ | ||
32 | unsigned utm_16:1; /* utm data witdh is 16 bits */ | ||
33 | unsigned big_endian:1; /* true if CPU uses big-endian */ | ||
34 | unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ | ||
35 | unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ | ||
36 | unsigned high_iso_tx:1; /* Tx ep required for HB iso */ | ||
37 | unsigned high_iso_rx:1; /* Rx ep required for HD iso */ | ||
38 | unsigned dma:1; /* supports DMA */ | ||
39 | unsigned vendor_req:1; /* vendor registers required */ | ||
40 | |||
41 | u8 num_eps; /* number of endpoints _with_ ep0 */ | ||
42 | u8 dma_channels; /* number of dma channels */ | ||
43 | u8 dyn_fifo_size; /* dynamic size in bytes */ | ||
44 | u8 vendor_ctrl; /* vendor control reg width */ | ||
45 | u8 vendor_stat; /* vendor status reg witdh */ | ||
46 | u8 dma_req_chan; /* bitmask for required dma channels */ | ||
47 | u8 ram_bits; /* ram address size */ | ||
48 | |||
49 | struct musb_hdrc_eps_bits *eps_bits; | ||
50 | }; | ||
51 | |||
52 | struct musb_hdrc_platform_data { | ||
53 | /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ | ||
54 | u8 mode; | ||
55 | |||
56 | /* for clk_get() */ | ||
57 | const char *clock; | ||
58 | |||
59 | /* (HOST or OTG) switch VBUS on/off */ | ||
60 | int (*set_vbus)(struct device *dev, int is_on); | ||
61 | |||
62 | /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ | ||
63 | u8 power; | ||
64 | |||
65 | /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ | ||
66 | u8 min_power; | ||
67 | |||
68 | /* (HOST or OTG) msec/2 after VBUS on till power good */ | ||
69 | u8 potpgt; | ||
70 | |||
71 | /* Power the device on or off */ | ||
72 | int (*set_power)(int state); | ||
73 | |||
74 | /* Turn device clock on or off */ | ||
75 | int (*set_clock)(struct clk *clock, int is_on); | ||
76 | |||
77 | /* MUSB configuration-specific details */ | ||
78 | struct musb_hdrc_config *config; | ||
79 | }; | ||
80 | |||
81 | |||
82 | /* TUSB 6010 support */ | ||
83 | |||
84 | #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ | ||
85 | #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ | ||
86 | #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ | ||
87 | |||
88 | #ifdef CONFIG_ARCH_OMAP2 | ||
89 | |||
90 | extern int __init tusb6010_setup_interface( | ||
91 | struct musb_hdrc_platform_data *data, | ||
92 | unsigned ps_refclk, unsigned waitpin, | ||
93 | unsigned async_cs, unsigned sync_cs, | ||
94 | unsigned irq, unsigned dmachan); | ||
95 | |||
96 | extern int tusb6010_platform_retime(unsigned is_refclk); | ||
97 | |||
98 | #endif /* OMAP2 */ | ||