1 /* 2 * USB device controllers have lots of quirks. Use these macros in 3 * gadget drivers or other code that needs to deal with them, and which 4 * autoconfigures instead of using early binding to the hardware. 5 * 6 * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by 7 * some config file that gets updated as new hardware is supported. 8 * (And avoiding all runtime comparisons in typical one-choice configs!) 9 * 10 * NOTE: some of these controller drivers may not be available yet. 11 * Some are available on 2.4 kernels; several are available, but not 12 * yet pushed in the 2.6 mainline tree. 13 * 14 * Ported to U-Boot by: Thomas Smits <ts.smits@gmail.com> and 15 * Remy Bohmer <linux@bohmer.net> 16 */ 17 #ifdef CONFIG_USB_GADGET_NET2280 18 #define gadget_is_net2280(g) (!strcmp("net2280", (g)->name)) 19 #else 20 #define gadget_is_net2280(g) 0 21 #endif 22 23 #ifdef CONFIG_USB_GADGET_AMD5536UDC 24 #define gadget_is_amd5536udc(g) (!strcmp("amd5536udc", (g)->name)) 25 #else 26 #define gadget_is_amd5536udc(g) 0 27 #endif 28 29 #ifdef CONFIG_USB_GADGET_DUMMY_HCD 30 #define gadget_is_dummy(g) (!strcmp("dummy_udc", (g)->name)) 31 #else 32 #define gadget_is_dummy(g) 0 33 #endif 34 35 #ifdef CONFIG_USB_GADGET_PXA2XX 36 #define gadget_is_pxa(g) (!strcmp("pxa2xx_udc", (g)->name)) 37 #else 38 #define gadget_is_pxa(g) 0 39 #endif 40 41 #ifdef CONFIG_USB_GADGET_GOKU 42 #define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name)) 43 #else 44 #define gadget_is_goku(g) 0 45 #endif 46 47 /* SH3 UDC -- not yet ported 2.4 --> 2.6 */ 48 #ifdef CONFIG_USB_GADGET_SUPERH 49 #define gadget_is_sh(g) (!strcmp("sh_udc", (g)->name)) 50 #else 51 #define gadget_is_sh(g) 0 52 #endif 53 54 /* not yet stable on 2.6 (would help "original Zaurus") */ 55 #ifdef CONFIG_USB_GADGET_SA1100 56 #define gadget_is_sa1100(g) (!strcmp("sa1100_udc", (g)->name)) 57 #else 58 #define gadget_is_sa1100(g) 0 59 #endif 60 61 /* handhelds.org tree (?) */ 62 #ifdef CONFIG_USB_GADGET_MQ11XX 63 #define gadget_is_mq11xx(g) (!strcmp("mq11xx_udc", (g)->name)) 64 #else 65 #define gadget_is_mq11xx(g) 0 66 #endif 67 68 #ifdef CONFIG_USB_GADGET_OMAP 69 #define gadget_is_omap(g) (!strcmp("omap_udc", (g)->name)) 70 #else 71 #define gadget_is_omap(g) 0 72 #endif 73 74 /* not yet ported 2.4 --> 2.6 */ 75 #ifdef CONFIG_USB_GADGET_N9604 76 #define gadget_is_n9604(g) (!strcmp("n9604_udc", (g)->name)) 77 #else 78 #define gadget_is_n9604(g) 0 79 #endif 80 81 /* various unstable versions available */ 82 #ifdef CONFIG_USB_GADGET_PXA27X 83 #define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name)) 84 #else 85 #define gadget_is_pxa27x(g) 0 86 #endif 87 88 #ifdef CONFIG_USB_GADGET_ATMEL_USBA 89 #define gadget_is_atmel_usba(g) (!strcmp("atmel_usba_udc", (g)->name)) 90 #else 91 #define gadget_is_atmel_usba(g) 0 92 #endif 93 94 #ifdef CONFIG_USB_GADGET_AT91 95 #define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name)) 96 #else 97 #define gadget_is_at91(g) 0 98 #endif 99 100 /* status unclear */ 101 #ifdef CONFIG_USB_GADGET_IMX 102 #define gadget_is_imx(g) (!strcmp("imx_udc", (g)->name)) 103 #else 104 #define gadget_is_imx(g) 0 105 #endif 106 107 #ifdef CONFIG_USB_GADGET_FSL_USB2 108 #define gadget_is_fsl_usb2(g) (!strcmp("fsl-usb2-udc", (g)->name)) 109 #else 110 #define gadget_is_fsl_usb2(g) 0 111 #endif 112 113 /* Mentor high speed function controller */ 114 /* from Montavista kernel (?) */ 115 #ifdef CONFIG_USB_GADGET_MUSBHSFC 116 #define gadget_is_musbhsfc(g) (!strcmp("musbhsfc_udc", (g)->name)) 117 #else 118 #define gadget_is_musbhsfc(g) 0 119 #endif 120 121 /* Mentor high speed "dual role" controller, in peripheral role */ 122 #ifdef CONFIG_USB_MUSB_GADGET 123 #define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name)) 124 #else 125 #define gadget_is_musbhdrc(g) 0 126 #endif 127 128 /* from Montavista kernel (?) */ 129 #ifdef CONFIG_USB_GADGET_MPC8272 130 #define gadget_is_mpc8272(g) (!strcmp("mpc8272_udc", (g)->name)) 131 #else 132 #define gadget_is_mpc8272(g) 0 133 #endif 134 135 #ifdef CONFIG_USB_GADGET_M66592 136 #define gadget_is_m66592(g) (!strcmp("m66592_udc", (g)->name)) 137 #else 138 #define gadget_is_m66592(g) 0 139 #endif 140 141 #ifdef CONFIG_CI_UDC 142 #define gadget_is_ci(g) (!strcmp("ci_udc", (g)->name)) 143 #else 144 #define gadget_is_ci(g) 0 145 #endif 146 147 #ifdef CONFIG_USB_GADGET_FOTG210 148 #define gadget_is_fotg210(g) (!strcmp("fotg210_udc", (g)->name)) 149 #else 150 #define gadget_is_fotg210(g) 0 151 #endif 152 153 #ifdef CONFIG_USB_DWC3_GADGET 154 #define gadget_is_dwc3(g) (!strcmp("dwc3-gadget", (g)->name)) 155 #else 156 #define gadget_is_dwc3(g) 0 157 #endif 158 159 160 161 /* 162 * CONFIG_USB_GADGET_SX2 163 * CONFIG_USB_GADGET_AU1X00 164 * ... 165 */ 166 167 /** 168 * usb_gadget_controller_number - support bcdDevice id convention 169 * @gadget: the controller being driven 170 * 171 * Return a 2-digit BCD value associated with the peripheral controller, 172 * suitable for use as part of a bcdDevice value, or a negative error code. 173 * 174 * NOTE: this convention is purely optional, and has no meaning in terms of 175 * any USB specification. If you want to use a different convention in your 176 * gadget driver firmware -- maybe a more formal revision ID -- feel free. 177 * 178 * Hosts see these bcdDevice numbers, and are allowed (but not encouraged!) 179 * to change their behavior accordingly. For example it might help avoiding 180 * some chip bug. 181 */ 182 static inline int usb_gadget_controller_number(struct usb_gadget *gadget) 183 { 184 if (gadget_is_net2280(gadget)) 185 return 0x01; 186 else if (gadget_is_dummy(gadget)) 187 return 0x02; 188 else if (gadget_is_pxa(gadget)) 189 return 0x03; 190 else if (gadget_is_sh(gadget)) 191 return 0x04; 192 else if (gadget_is_sa1100(gadget)) 193 return 0x05; 194 else if (gadget_is_goku(gadget)) 195 return 0x06; 196 else if (gadget_is_mq11xx(gadget)) 197 return 0x07; 198 else if (gadget_is_omap(gadget)) 199 return 0x08; 200 else if (gadget_is_n9604(gadget)) 201 return 0x09; 202 else if (gadget_is_pxa27x(gadget)) 203 return 0x10; 204 else if (gadget_is_at91(gadget)) 205 return 0x12; 206 else if (gadget_is_imx(gadget)) 207 return 0x13; 208 else if (gadget_is_musbhsfc(gadget)) 209 return 0x14; 210 else if (gadget_is_musbhdrc(gadget)) 211 return 0x15; 212 else if (gadget_is_mpc8272(gadget)) 213 return 0x16; 214 else if (gadget_is_atmel_usba(gadget)) 215 return 0x17; 216 else if (gadget_is_fsl_usb2(gadget)) 217 return 0x18; 218 else if (gadget_is_amd5536udc(gadget)) 219 return 0x19; 220 else if (gadget_is_m66592(gadget)) 221 return 0x20; 222 else if (gadget_is_ci(gadget)) 223 return 0x21; 224 else if (gadget_is_fotg210(gadget)) 225 return 0x22; 226 return -ENOENT; 227 } 228