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550a7375 FB |
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 | ||
fbfc396e MG |
10 | #ifndef __LINUX_USB_MUSB_H |
11 | #define __LINUX_USB_MUSB_H | |
12 | ||
550a7375 FB |
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.) | |
15 | */ | |
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 */ | |
21 | }; | |
22 | ||
23 | struct clk; | |
24 | ||
ca6d1b13 FB |
25 | struct musb_hdrc_eps_bits { |
26 | const char name[16]; | |
27 | u8 bits; | |
28 | }; | |
29 | ||
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 */ | |
43 | ||
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 */ | |
51 | ||
52 | struct musb_hdrc_eps_bits *eps_bits; | |
2ffcdb3b BW |
53 | #ifdef CONFIG_BLACKFIN |
54 | /* A GPIO controlling VRSEL in Blackfin */ | |
55 | unsigned int gpio_vrsel; | |
56 | #endif | |
57 | ||
ca6d1b13 FB |
58 | }; |
59 | ||
550a7375 FB |
60 | struct musb_hdrc_platform_data { |
61 | /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ | |
62 | u8 mode; | |
63 | ||
64 | /* for clk_get() */ | |
65 | const char *clock; | |
66 | ||
67 | /* (HOST or OTG) switch VBUS on/off */ | |
68 | int (*set_vbus)(struct device *dev, int is_on); | |
69 | ||
70 | /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ | |
71 | u8 power; | |
72 | ||
73 | /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ | |
74 | u8 min_power; | |
75 | ||
76 | /* (HOST or OTG) msec/2 after VBUS on till power good */ | |
77 | u8 potpgt; | |
78 | ||
550a7375 FB |
79 | /* Power the device on or off */ |
80 | int (*set_power)(int state); | |
81 | ||
82 | /* Turn device clock on or off */ | |
83 | int (*set_clock)(struct clk *clock, int is_on); | |
ca6d1b13 FB |
84 | |
85 | /* MUSB configuration-specific details */ | |
86 | struct musb_hdrc_config *config; | |
884b8369 MM |
87 | |
88 | /* Architecture specific board data */ | |
89 | void *board_data; | |
550a7375 FB |
90 | }; |
91 | ||
92 | ||
93 | /* TUSB 6010 support */ | |
94 | ||
95 | #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ | |
96 | #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ | |
97 | #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ | |
98 | ||
99 | #ifdef CONFIG_ARCH_OMAP2 | |
100 | ||
101 | extern int __init tusb6010_setup_interface( | |
102 | struct musb_hdrc_platform_data *data, | |
103 | unsigned ps_refclk, unsigned waitpin, | |
104 | unsigned async_cs, unsigned sync_cs, | |
105 | unsigned irq, unsigned dmachan); | |
106 | ||
107 | extern int tusb6010_platform_retime(unsigned is_refclk); | |
108 | ||
109 | #endif /* OMAP2 */ | |
fbfc396e MG |
110 | |
111 | #endif /* __LINUX_USB_MUSB_H */ |