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 /* The USB role is defined by the connector used on the board, so long as 11 * standards are being followed. (Developer boards sometimes won't.) 12 */ 13 enum musb_mode { 14 MUSB_UNDEFINED = 0, 15 MUSB_HOST, /* A or Mini-A connector */ 16 MUSB_PERIPHERAL, /* B or Mini-B connector */ 17 MUSB_OTG /* Mini-AB connector */ 18 }; 19 20 struct clk; 21 22 struct musb_hdrc_eps_bits { 23 const char name[16]; 24 u8 bits; 25 }; 26 27 struct musb_hdrc_config { 28 /* MUSB configuration-specific details */ 29 unsigned multipoint:1; /* multipoint device */ 30 unsigned dyn_fifo:1; /* supports dynamic fifo sizing */ 31 unsigned soft_con:1; /* soft connect required */ 32 unsigned utm_16:1; /* utm data witdh is 16 bits */ 33 unsigned big_endian:1; /* true if CPU uses big-endian */ 34 unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ 35 unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ 36 unsigned high_iso_tx:1; /* Tx ep required for HB iso */ 37 unsigned high_iso_rx:1; /* Rx ep required for HD iso */ 38 unsigned dma:1; /* supports DMA */ 39 unsigned vendor_req:1; /* vendor registers required */ 40 41 u8 num_eps; /* number of endpoints _with_ ep0 */ 42 u8 dma_channels; /* number of dma channels */ 43 u8 dyn_fifo_size; /* dynamic size in bytes */ 44 u8 vendor_ctrl; /* vendor control reg width */ 45 u8 vendor_stat; /* vendor status reg witdh */ 46 u8 dma_req_chan; /* bitmask for required dma channels */ 47 u8 ram_bits; /* ram address size */ 48 49 struct musb_hdrc_eps_bits *eps_bits; 50 #ifdef CONFIG_BLACKFIN 51 /* A GPIO controlling VRSEL in Blackfin */ 52 unsigned int gpio_vrsel; 53 #endif 54 55 }; 56 57 struct musb_hdrc_platform_data { 58 /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ 59 u8 mode; 60 61 /* for clk_get() */ 62 const char *clock; 63 64 /* (HOST or OTG) switch VBUS on/off */ 65 int (*set_vbus)(struct device *dev, int is_on); 66 67 /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ 68 u8 power; 69 70 /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ 71 u8 min_power; 72 73 /* (HOST or OTG) msec/2 after VBUS on till power good */ 74 u8 potpgt; 75 76 /* Power the device on or off */ 77 int (*set_power)(int state); 78 79 /* Turn device clock on or off */ 80 int (*set_clock)(struct clk *clock, int is_on); 81 82 /* MUSB configuration-specific details */ 83 struct musb_hdrc_config *config; 84 }; 85 86 87 /* TUSB 6010 support */ 88 89 #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ 90 #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ 91 #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ 92 93 #ifdef CONFIG_ARCH_OMAP2 94 95 extern int __init tusb6010_setup_interface( 96 struct musb_hdrc_platform_data *data, 97 unsigned ps_refclk, unsigned waitpin, 98 unsigned async_cs, unsigned sync_cs, 99 unsigned irq, unsigned dmachan); 100 101 extern int tusb6010_platform_retime(unsigned is_refclk); 102 103 #endif /* OMAP2 */ 104