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_GOKU 36#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name)) 37#else 38#define gadget_is_goku(g) 0 39#endif 40 41/* SH3 UDC -- not yet ported 2.4 --> 2.6 */ 42#ifdef CONFIG_USB_GADGET_SUPERH 43#define gadget_is_sh(g) (!strcmp("sh_udc", (g)->name)) 44#else 45#define gadget_is_sh(g) 0 46#endif 47 48/* handhelds.org tree (?) */ 49#ifdef CONFIG_USB_GADGET_MQ11XX 50#define gadget_is_mq11xx(g) (!strcmp("mq11xx_udc", (g)->name)) 51#else 52#define gadget_is_mq11xx(g) 0 53#endif 54 55#ifdef CONFIG_USB_GADGET_OMAP 56#define gadget_is_omap(g) (!strcmp("omap_udc", (g)->name)) 57#else 58#define gadget_is_omap(g) 0 59#endif 60 61/* not yet ported 2.4 --> 2.6 */ 62#ifdef CONFIG_USB_GADGET_N9604 63#define gadget_is_n9604(g) (!strcmp("n9604_udc", (g)->name)) 64#else 65#define gadget_is_n9604(g) 0 66#endif 67 68#ifdef CONFIG_USB_GADGET_ATMEL_USBA 69#define gadget_is_atmel_usba(g) (!strcmp("atmel_usba_udc", (g)->name)) 70#else 71#define gadget_is_atmel_usba(g) 0 72#endif 73 74#ifdef CONFIG_USB_GADGET_AT91 75#define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name)) 76#else 77#define gadget_is_at91(g) 0 78#endif 79 80/* status unclear */ 81#ifdef CONFIG_USB_GADGET_IMX 82#define gadget_is_imx(g) (!strcmp("imx_udc", (g)->name)) 83#else 84#define gadget_is_imx(g) 0 85#endif 86 87#ifdef CONFIG_USB_GADGET_FSL_USB2 88#define gadget_is_fsl_usb2(g) (!strcmp("fsl-usb2-udc", (g)->name)) 89#else 90#define gadget_is_fsl_usb2(g) 0 91#endif 92 93/* Mentor high speed function controller */ 94/* from Montavista kernel (?) */ 95#ifdef CONFIG_USB_GADGET_MUSBHSFC 96#define gadget_is_musbhsfc(g) (!strcmp("musbhsfc_udc", (g)->name)) 97#else 98#define gadget_is_musbhsfc(g) 0 99#endif 100 101/* Mentor high speed "dual role" controller, in peripheral role */ 102#ifdef CONFIG_USB_MUSB_GADGET 103#define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name)) 104#else 105#define gadget_is_musbhdrc(g) 0 106#endif 107 108#ifdef CONFIG_USB_GADGET_M66592 109#define gadget_is_m66592(g) (!strcmp("m66592_udc", (g)->name)) 110#else 111#define gadget_is_m66592(g) 0 112#endif 113 114#ifdef CONFIG_CI_UDC 115#define gadget_is_ci(g) (!strcmp("ci_udc", (g)->name)) 116#else 117#define gadget_is_ci(g) 0 118#endif 119 120#ifdef CONFIG_USB_DWC3_GADGET 121#define gadget_is_dwc3(g) (!strcmp("dwc3-gadget", (g)->name)) 122#else 123#define gadget_is_dwc3(g) 0 124#endif 125 126#ifdef CONFIG_USB_CDNS3_GADGET 127#define gadget_is_cdns3(g) (!strcmp("cdns3-gadget", (g)->name)) 128#else 129#define gadget_is_cdns3(g) 0 130#endif 131 132#ifdef CONFIG_USB_GADGET_MAX3420 133#define gadget_is_max3420(g) (!strcmp("max3420-udc", (g)->name)) 134#else 135#define gadget_is_max3420(g) 0 136#endif 137 138#ifdef CONFIG_USB_MTU3_GADGET 139#define gadget_is_mtu3(g) (!strcmp("mtu3-gadget", (g)->name)) 140#else 141#define gadget_is_mtu3(g) 0 142#endif 143 144#ifdef CONFIG_USB_GADGET_DWC2_OTG 145#define gadget_is_dwc2(g) (!strcmp("dwc2-udc", (g)->name)) 146#else 147#define gadget_is_dwc2(g) 0 148#endif 149 150/** 151 * usb_gadget_controller_number - support bcdDevice id convention 152 * @gadget: the controller being driven 153 * 154 * Return a 2-digit BCD value associated with the peripheral controller, 155 * suitable for use as part of a bcdDevice value, or a negative error code. 156 * 157 * NOTE: this convention is purely optional, and has no meaning in terms of 158 * any USB specification. If you want to use a different convention in your 159 * gadget driver firmware -- maybe a more formal revision ID -- feel free. 160 * 161 * Hosts see these bcdDevice numbers, and are allowed (but not encouraged!) 162 * to change their behavior accordingly. For example it might help avoiding 163 * some chip bug. 164 */ 165static inline int usb_gadget_controller_number(struct usb_gadget *gadget) 166{ 167 if (gadget_is_net2280(gadget)) 168 return 0x01; 169 else if (gadget_is_dummy(gadget)) 170 return 0x02; 171 else if (gadget_is_sh(gadget)) 172 return 0x04; 173 else if (gadget_is_goku(gadget)) 174 return 0x06; 175 else if (gadget_is_mq11xx(gadget)) 176 return 0x07; 177 else if (gadget_is_omap(gadget)) 178 return 0x08; 179 else if (gadget_is_n9604(gadget)) 180 return 0x09; 181 else if (gadget_is_at91(gadget)) 182 return 0x12; 183 else if (gadget_is_imx(gadget)) 184 return 0x13; 185 else if (gadget_is_musbhsfc(gadget)) 186 return 0x14; 187 else if (gadget_is_musbhdrc(gadget)) 188 return 0x15; 189 else if (gadget_is_atmel_usba(gadget)) 190 return 0x17; 191 else if (gadget_is_fsl_usb2(gadget)) 192 return 0x18; 193 else if (gadget_is_amd5536udc(gadget)) 194 return 0x19; 195 else if (gadget_is_m66592(gadget)) 196 return 0x20; 197 else if (gadget_is_ci(gadget)) 198 return 0x21; 199 else if (gadget_is_dwc3(gadget)) 200 return 0x23; 201 else if (gadget_is_cdns3(gadget)) 202 return 0x24; 203 else if (gadget_is_max3420(gadget)) 204 return 0x25; 205 else if (gadget_is_mtu3(gadget)) 206 return 0x26; 207 else if (gadget_is_dwc2(gadget)) 208 return 0x27; 209 return -ENOENT; 210} 211