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eb81955b IY |
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 | #ifndef __LINUX_USB_MUSB_H | |
11 | #define __LINUX_USB_MUSB_H | |
12 | ||
13 | #ifndef __deprecated | |
14 | #define __deprecated | |
15 | #endif | |
16 | ||
17 | /* The USB role is defined by the connector used on the board, so long as | |
18 | * standards are being followed. (Developer boards sometimes won't.) | |
19 | */ | |
20 | enum musb_mode { | |
21 | MUSB_UNDEFINED = 0, | |
22 | MUSB_HOST, /* A or Mini-A connector */ | |
23 | MUSB_PERIPHERAL, /* B or Mini-B connector */ | |
24 | MUSB_OTG /* Mini-AB connector */ | |
25 | }; | |
26 | ||
27 | struct clk; | |
28 | ||
29 | enum musb_fifo_style { | |
30 | FIFO_RXTX, | |
31 | FIFO_TX, | |
32 | FIFO_RX | |
33 | } __attribute__ ((packed)); | |
34 | ||
35 | enum musb_buf_mode { | |
36 | BUF_SINGLE, | |
37 | BUF_DOUBLE | |
38 | } __attribute__ ((packed)); | |
39 | ||
40 | struct musb_fifo_cfg { | |
41 | u8 hw_ep_num; | |
42 | enum musb_fifo_style style; | |
43 | enum musb_buf_mode mode; | |
44 | u16 maxpacket; | |
45 | }; | |
46 | ||
47 | #define MUSB_EP_FIFO(ep, st, m, pkt) \ | |
48 | { \ | |
49 | .hw_ep_num = ep, \ | |
50 | .style = st, \ | |
51 | .mode = m, \ | |
52 | .maxpacket = pkt, \ | |
53 | } | |
54 | ||
55 | #define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \ | |
56 | MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt) | |
57 | ||
58 | #define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \ | |
59 | MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt) | |
60 | ||
61 | struct musb_hdrc_eps_bits { | |
62 | const char name[16]; | |
63 | u8 bits; | |
64 | }; | |
65 | ||
66 | struct musb_hdrc_config { | |
67 | struct musb_fifo_cfg *fifo_cfg; /* board fifo configuration */ | |
68 | unsigned fifo_cfg_size; /* size of the fifo configuration */ | |
69 | ||
70 | /* MUSB configuration-specific details */ | |
71 | unsigned multipoint:1; /* multipoint device */ | |
72 | unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */ | |
73 | unsigned soft_con:1 __deprecated; /* soft connect required */ | |
74 | unsigned utm_16:1 __deprecated; /* utm data witdh is 16 bits */ | |
75 | unsigned big_endian:1; /* true if CPU uses big-endian */ | |
76 | unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ | |
77 | unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ | |
78 | unsigned high_iso_tx:1; /* Tx ep required for HB iso */ | |
79 | unsigned high_iso_rx:1; /* Rx ep required for HD iso */ | |
80 | unsigned dma:1 __deprecated; /* supports DMA */ | |
81 | unsigned vendor_req:1 __deprecated; /* vendor registers required */ | |
82 | ||
83 | u8 num_eps; /* number of endpoints _with_ ep0 */ | |
84 | u8 dma_channels __deprecated; /* number of dma channels */ | |
85 | u8 dyn_fifo_size; /* dynamic size in bytes */ | |
86 | u8 vendor_ctrl __deprecated; /* vendor control reg width */ | |
87 | u8 vendor_stat __deprecated; /* vendor status reg witdh */ | |
88 | u8 dma_req_chan __deprecated; /* bitmask for required dma channels */ | |
89 | u8 ram_bits; /* ram address size */ | |
90 | ||
91 | struct musb_hdrc_eps_bits *eps_bits __deprecated; | |
92 | #ifdef CONFIG_BLACKFIN | |
93 | /* A GPIO controlling VRSEL in Blackfin */ | |
94 | unsigned int gpio_vrsel; | |
95 | unsigned int gpio_vrsel_active; | |
96 | /* musb CLKIN in Blackfin in MHZ */ | |
97 | unsigned char clkin; | |
98 | #endif | |
99 | ||
100 | }; | |
101 | ||
102 | struct musb_hdrc_platform_data { | |
103 | /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ | |
104 | u8 mode; | |
105 | ||
106 | /* for clk_get() */ | |
107 | const char *clock; | |
108 | ||
109 | /* (HOST or OTG) switch VBUS on/off */ | |
110 | int (*set_vbus)(struct device *dev, int is_on); | |
111 | ||
112 | /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ | |
113 | u8 power; | |
114 | ||
115 | /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ | |
116 | u8 min_power; | |
117 | ||
118 | /* (HOST or OTG) msec/2 after VBUS on till power good */ | |
119 | u8 potpgt; | |
120 | ||
121 | /* (HOST or OTG) program PHY for external Vbus */ | |
122 | unsigned extvbus:1; | |
123 | ||
124 | /* Power the device on or off */ | |
125 | int (*set_power)(int state); | |
126 | ||
127 | /* MUSB configuration-specific details */ | |
128 | struct musb_hdrc_config *config; | |
129 | ||
130 | /* Architecture specific board data */ | |
131 | void *board_data; | |
132 | ||
133 | /* Platform specific struct musb_ops pointer */ | |
134 | const void *platform_ops; | |
135 | }; | |
136 | ||
137 | ||
138 | /* TUSB 6010 support */ | |
139 | ||
140 | #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ | |
141 | #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ | |
142 | #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ | |
143 | ||
144 | #ifdef CONFIG_ARCH_OMAP2 | |
145 | ||
146 | extern int __init tusb6010_setup_interface( | |
147 | struct musb_hdrc_platform_data *data, | |
148 | unsigned ps_refclk, unsigned waitpin, | |
149 | unsigned async_cs, unsigned sync_cs, | |
150 | unsigned irq, unsigned dmachan); | |
151 | ||
152 | extern int tusb6010_platform_retime(unsigned is_refclk); | |
153 | ||
154 | #endif /* OMAP2 */ | |
155 | ||
156 | /* | |
157 | * U-Boot specfic stuff | |
158 | */ | |
159 | int musb_register(struct musb_hdrc_platform_data *plat, void *bdata, | |
160 | void *ctl_regs); | |
161 | ||
162 | #endif /* __LINUX_USB_MUSB_H */ |