tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/* 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 */
16enum 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
23struct clk;
24
25struct musb_hdrc_eps_bits {
26 const char name[16];
27 u8 bits;
28};
29
30struct musb_hdrc_config {
31 /* MUSB configuration-specific details */
32 unsigned multipoint:1; /* multipoint device */
33 unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */
34 unsigned soft_con:1 __deprecated; /* soft connect required */
35 unsigned utm_16:1 __deprecated; /* 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 __deprecated; /* supports DMA */
42 unsigned vendor_req:1 __deprecated; /* vendor registers required */
43
44 u8 num_eps; /* number of endpoints _with_ ep0 */
45 u8 dma_channels __deprecated; /* number of dma channels */
46 u8 dyn_fifo_size; /* dynamic size in bytes */
47 u8 vendor_ctrl __deprecated; /* vendor control reg width */
48 u8 vendor_stat __deprecated; /* vendor status reg witdh */
49 u8 dma_req_chan __deprecated; /* bitmask for required dma channels */
50 u8 ram_bits; /* ram address size */
51
52 struct musb_hdrc_eps_bits *eps_bits __deprecated;
53#ifdef CONFIG_BLACKFIN
54 /* A GPIO controlling VRSEL in Blackfin */
55 unsigned int gpio_vrsel;
56#endif
57
58};
59
60struct 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
79 /* (HOST or OTG) program PHY for external Vbus */
80 unsigned extvbus:1;
81
82 /* Power the device on or off */
83 int (*set_power)(int state);
84
85 /* Turn device clock on or off */
86 int (*set_clock)(struct clk *clock, int is_on);
87
88 /* MUSB configuration-specific details */
89 struct musb_hdrc_config *config;
90
91 /* Architecture specific board data */
92 void *board_data;
93};
94
95
96/* TUSB 6010 support */
97
98#define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */
99#define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */
100#define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */
101
102#ifdef CONFIG_ARCH_OMAP2
103
104extern int __init tusb6010_setup_interface(
105 struct musb_hdrc_platform_data *data,
106 unsigned ps_refclk, unsigned waitpin,
107 unsigned async_cs, unsigned sync_cs,
108 unsigned irq, unsigned dmachan);
109
110extern int tusb6010_platform_retime(unsigned is_refclk);
111
112#endif /* OMAP2 */
113
114#endif /* __LINUX_USB_MUSB_H */