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 */ 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 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; 53 #ifdef CONFIG_BLACKFIN 54 /* A GPIO controlling VRSEL in Blackfin */ 55 unsigned int gpio_vrsel; 56 #endif 57 58 }; 59 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 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); 84 85 /* MUSB configuration-specific details */ 86 struct musb_hdrc_config *config; 87 }; 88 89 90 /* TUSB 6010 support */ 91 92 #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ 93 #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ 94 #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ 95 96 #ifdef CONFIG_ARCH_OMAP2 97 98 extern int __init tusb6010_setup_interface( 99 struct musb_hdrc_platform_data *data, 100 unsigned ps_refclk, unsigned waitpin, 101 unsigned async_cs, unsigned sync_cs, 102 unsigned irq, unsigned dmachan); 103 104 extern int tusb6010_platform_retime(unsigned is_refclk); 105 106 #endif /* OMAP2 */ 107 108 #endif /* __LINUX_USB_MUSB_H */ 109