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 #include <linux/compat.h> 18 19 /* The USB role is defined by the connector used on the board, so long as 20 * standards are being followed. (Developer boards sometimes won't.) 21 */ 22 enum musb_mode { 23 MUSB_UNDEFINED = 0, 24 MUSB_HOST, /* A or Mini-A connector */ 25 MUSB_PERIPHERAL, /* B or Mini-B connector */ 26 MUSB_OTG /* Mini-AB connector */ 27 }; 28 29 struct clk; 30 31 enum musb_fifo_style { 32 FIFO_RXTX, 33 FIFO_TX, 34 FIFO_RX 35 } __attribute__ ((packed)); 36 37 enum musb_buf_mode { 38 BUF_SINGLE, 39 BUF_DOUBLE 40 } __attribute__ ((packed)); 41 42 struct musb_fifo_cfg { 43 u8 hw_ep_num; 44 enum musb_fifo_style style; 45 enum musb_buf_mode mode; 46 u16 maxpacket; 47 }; 48 49 #define MUSB_EP_FIFO(ep, st, m, pkt) \ 50 { \ 51 .hw_ep_num = ep, \ 52 .style = st, \ 53 .mode = m, \ 54 .maxpacket = pkt, \ 55 } 56 57 #define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \ 58 MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt) 59 60 #define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \ 61 MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt) 62 63 struct musb_hdrc_eps_bits { 64 const char name[16]; 65 u8 bits; 66 }; 67 68 struct musb_hdrc_config { 69 struct musb_fifo_cfg *fifo_cfg; /* board fifo configuration */ 70 unsigned fifo_cfg_size; /* size of the fifo configuration */ 71 72 /* MUSB configuration-specific details */ 73 unsigned multipoint:1; /* multipoint device */ 74 unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */ 75 unsigned soft_con:1 __deprecated; /* soft connect required */ 76 unsigned utm_16:1 __deprecated; /* utm data witdh is 16 bits */ 77 unsigned big_endian:1; /* true if CPU uses big-endian */ 78 unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ 79 unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ 80 unsigned high_iso_tx:1; /* Tx ep required for HB iso */ 81 unsigned high_iso_rx:1; /* Rx ep required for HD iso */ 82 unsigned dma:1 __deprecated; /* supports DMA */ 83 unsigned vendor_req:1 __deprecated; /* vendor registers required */ 84 85 u8 num_eps; /* number of endpoints _with_ ep0 */ 86 u8 dma_channels __deprecated; /* number of dma channels */ 87 u8 dyn_fifo_size; /* dynamic size in bytes */ 88 u8 vendor_ctrl __deprecated; /* vendor control reg width */ 89 u8 vendor_stat __deprecated; /* vendor status reg witdh */ 90 u8 dma_req_chan __deprecated; /* bitmask for required dma channels */ 91 u8 ram_bits; /* ram address size */ 92 93 struct musb_hdrc_eps_bits *eps_bits __deprecated; 94 }; 95 96 struct musb_hdrc_platform_data { 97 /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ 98 u8 mode; 99 100 /* for clk_get() */ 101 const char *clock; 102 103 /* (HOST or OTG) switch VBUS on/off */ 104 int (*set_vbus)(struct device *dev, int is_on); 105 106 /* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ 107 u8 power; 108 109 /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ 110 u8 min_power; 111 112 /* (HOST or OTG) msec/2 after VBUS on till power good */ 113 u8 potpgt; 114 115 /* (HOST or OTG) program PHY for external Vbus */ 116 unsigned extvbus:1; 117 118 /* Power the device on or off */ 119 int (*set_power)(int state); 120 121 /* MUSB configuration-specific details */ 122 struct musb_hdrc_config *config; 123 124 /* Architecture specific board data */ 125 void *board_data; 126 127 /* Platform specific struct musb_ops pointer */ 128 const void *platform_ops; 129 }; 130 131 132 /* TUSB 6010 support */ 133 134 #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ 135 #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ 136 #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ 137 138 #ifdef CONFIG_ARCH_OMAP2PLUS 139 140 extern int __init tusb6010_setup_interface( 141 struct musb_hdrc_platform_data *data, 142 unsigned ps_refclk, unsigned waitpin, 143 unsigned async_cs, unsigned sync_cs, 144 unsigned irq, unsigned dmachan); 145 146 extern int tusb6010_platform_retime(unsigned is_refclk); 147 148 #endif /* OMAP2 */ 149 150 /* 151 * U-Boot specfic stuff 152 */ 153 int musb_register(struct musb_hdrc_platform_data *plat, void *bdata, 154 void *ctl_regs); 155 156 #endif /* __LINUX_USB_MUSB_H */ 157