blob: 9f65ef96ac131912f32e49729752f33735dc61dd [file] [log] [blame]
Ilya Yanokeb819552012-11-06 13:48:21 +00001/*
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 */
20enum 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
27struct clk;
28
29enum musb_fifo_style {
30 FIFO_RXTX,
31 FIFO_TX,
32 FIFO_RX
33} __attribute__ ((packed));
34
35enum musb_buf_mode {
36 BUF_SINGLE,
37 BUF_DOUBLE
38} __attribute__ ((packed));
39
40struct 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
61struct musb_hdrc_eps_bits {
62 const char name[16];
63 u8 bits;
64};
65
66struct 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
102struct 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
146extern 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
152extern int tusb6010_platform_retime(unsigned is_refclk);
153
154#endif /* OMAP2 */
155
156/*
157 * U-Boot specfic stuff
158 */
159int musb_register(struct musb_hdrc_platform_data *plat, void *bdata,
160 void *ctl_regs);
161
162#endif /* __LINUX_USB_MUSB_H */