property/usb/cdc_descriptor.c

   1 #include <asm/arch/sci_types.h>
   2 #include <linux/usb/ch9.h>
   3 #include <linux/usb/cdc.h>
   4 #include <linux/usb/gadget.h>
   5 #include <linux/byteorder/little_endian.h>
   6 #include <linux/string.h>
   7
   8 #define THOR_VENDOR_NUM                 0x04E8
   9 #define THOR_PRODUCT_NUM                0x685D
  10
  11 static struct usb_device_descriptor thor_device_desc_high __align (32)= {
  12         .bLength                        = sizeof(thor_device_desc_high),
  13         .bDescriptorType        = USB_DT_DEVICE,
  14
  15         .bcdUSB                         = __constant_cpu_to_le16(0x0200),
  16         .bDeviceClass           = USB_CLASS_COMM,
  17
  18         .bDeviceSubClass        = 0x02,
  19         .bDeviceProtocol        = 0x00,
  20
  21         .bMaxPacketSize0        = 64,
  22
  23         .idVendor                       = __constant_cpu_to_le16(THOR_VENDOR_NUM),
  24         .idProduct                      = __constant_cpu_to_le16(THOR_PRODUCT_NUM),
  25         .bcdDevice                      = cpu_to_le16(0x021B),
  26
  27         .iManufacturer          = 0x01,
  28         .iProduct                       = 0x02,
  29
  30         .iSerialNumber          = 0x00,
  31         .bNumConfigurations     = 0x01,
  32 };
  33
  34 static struct usb_device_descriptor thor_device_desc_full __align (32) = {
  35         .bLength                        = sizeof(thor_device_desc_full),
  36         .bDescriptorType        = USB_DT_DEVICE,
  37
  38         .bcdUSB                         = __constant_cpu_to_le16(0x0101),
  39         .bDeviceClass           = USB_CLASS_COMM,
  40
  41         .bDeviceSubClass        = 0x02,
  42         .bDeviceProtocol        = 0x00,
  43
  44         .bMaxPacketSize0        = 64,
  45
  46         .idVendor                       = __constant_cpu_to_le16(THOR_VENDOR_NUM),
  47         .idProduct                      = __constant_cpu_to_le16(THOR_PRODUCT_NUM),
  48         .bcdDevice                      = cpu_to_le16(0x021B),
  49
  50         .iManufacturer          = 0x01,
  51         .iProduct                       = 0x02,
  52
  53         .iSerialNumber          = 0x00,
  54         .bNumConfigurations     = 0x01,
  55 };
  56
  57 /* function descriptor */
  58 static const struct usb_config_descriptor thor_config_desc __align (32) = {
  59         .bLength                                = sizeof(thor_config_desc),
  60         .bDescriptorType                = USB_DT_CONFIG,
  61
  62         .wTotalLength                   = __constant_cpu_to_le16(67),
  63
  64         .bNumInterfaces                 = 0x02,
  65         .bConfigurationValue    = 0x01,
  66         .iConfiguration                 = 0x00,
  67
  68         .bmAttributes                   = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
  69         .bMaxPower                              = 0x19,
  70 };
  71
  72 static struct usb_interface_descriptor thor_downloader_intf_init __align (32) = {
  73         .bLength                                = sizeof(thor_downloader_intf_init),
  74         .bDescriptorType                = USB_DT_INTERFACE,
  75
  76         .bInterfaceNumber               = 0,
  77         .bAlternateSetting              = 0,
  78         .bNumEndpoints                  = 1,
  79
  80         .bInterfaceClass                = USB_CLASS_COMM,
  81
  82         .bInterfaceSubClass             = USB_CDC_SUBCLASS_ACM,
  83         .bInterfaceProtocol             = USB_CDC_ACM_PROTO_AT_V25TER,
  84         .iInterface                             = 3,
  85 };
  86
  87 static const struct usb_cdc_header_desc thor_downloader_func_desc __align (32) = {
  88         .bLength                                = sizeof(thor_downloader_func_desc),
  89         .bDescriptorType                = USB_DT_CS_INTERFACE,
  90         .bDescriptorSubType             = USB_CDC_HEADER_TYPE,
  91         .bcdCDC                                 = __constant_cpu_to_le16(0x0110),
  92 };
  93
  94 static struct usb_cdc_call_mgmt_descriptor thor_downloader_func_desc_call __align (32) = {
  95         .bLength                                = sizeof(thor_downloader_func_desc_call),
  96         .bDescriptorType                = USB_DT_CS_INTERFACE,
  97         .bDescriptorSubType             = USB_CDC_CALL_MANAGEMENT_TYPE,
  98         .bmCapabilities                 = 0x00,
  99         .bDataInterface                 = 0x01,
 100 };
 101
 102 static struct usb_cdc_acm_descriptor thor_downloader_func_desc_abstract __align (32) = {
 103         .bLength                                = 0x04,
 104         .bDescriptorType                = USB_DT_CS_INTERFACE,
 105         .bDescriptorSubType             = USB_CDC_ACM_TYPE,
 106         .bmCapabilities                 = 0x0F,
 107 };
 108
 109 static struct usb_cdc_union_desc thor_downloader_cdc_union __align (32) = {
 110         .bLength                                = 0x05,
 111         .bDescriptorType                = USB_DT_CS_INTERFACE,
 112         .bDescriptorSubType             = USB_CDC_UNION_TYPE,
 113         .bMasterInterface0              = 0x00,
 114         .bSlaveInterface0               = 0x01,
 115 };
 116
 117 static struct usb_endpoint_descriptor thor_downloader_ep3_in __align (32) = {
 118         .bLength                                = USB_DT_ENDPOINT_SIZE,
 119         .bDescriptorType                = USB_DT_ENDPOINT,
 120         .bEndpointAddress               = 0x83,
 121         .bmAttributes                   = USB_ENDPOINT_XFER_INT,
 122         .wMaxPacketSize                 = __constant_cpu_to_le16(16),
 123         .bInterval = 0x9,
 124 };
 125
 126 static const struct usb_interface_descriptor thor_downloader_intf_data __align (32) = {
 127         .bLength                                = USB_DT_INTERFACE_SIZE,
 128         .bDescriptorType                = USB_DT_INTERFACE,
 129
 130         .bInterfaceNumber               = 1,
 131         .bAlternateSetting              = 0,
 132
 133         .bNumEndpoints                  = 2,
 134         .bInterfaceClass                = USB_CLASS_CDC_DATA,
 135
 136         .bInterfaceSubClass             = 0,
 137         .bInterfaceProtocol             = 0,
 138         .iInterface                             = 4,
 139 };
 140
 141 static struct usb_endpoint_descriptor thor_downloader_ep1_in __align (32) = {
 142         .bLength                        = USB_DT_ENDPOINT_SIZE,
 143         .bDescriptorType        = USB_DT_ENDPOINT,
 144         .bEndpointAddress       = 0x81,
 145         .bmAttributes           = USB_ENDPOINT_XFER_BULK,
 146         .wMaxPacketSize         = __constant_cpu_to_le16(512),
 147         .bInterval                      = 0,
 148 };
 149
 150 static struct usb_endpoint_descriptor thor_downloader_ep2_out __align (32) = {
 151         .bLength                        = USB_DT_ENDPOINT_SIZE,
 152         .bDescriptorType        = USB_DT_ENDPOINT,
 153         .bEndpointAddress       = 0x02,
 154         .bmAttributes           = USB_ENDPOINT_XFER_BULK,
 155         .wMaxPacketSize         = __constant_cpu_to_le16(512),
 156         .bInterval                      = 0,
 157 };
 158
 159 static const struct usb_descriptor_header *thor_function_high[] __align (32) = {
 160         (struct usb_descriptor_header *) &thor_downloader_intf_init,
 161         (struct usb_descriptor_header *) &thor_downloader_func_desc,
 162         (struct usb_descriptor_header *) &thor_downloader_func_desc_call,
 163         (struct usb_descriptor_header *) &thor_downloader_func_desc_abstract,
 164         (struct usb_descriptor_header *) &thor_downloader_cdc_union,
 165         (struct usb_descriptor_header *) &thor_downloader_ep3_in,
 166         (struct usb_descriptor_header *) &thor_downloader_intf_data,
 167         (struct usb_descriptor_header *) &thor_downloader_ep1_in,
 168         (struct usb_descriptor_header *) &thor_downloader_ep2_out,
 169 };
 170
 171 static struct usb_cdc_acm_descriptor thor_downloader_func_desc_abstract_full __align (32) = {
 172         .bLength                                = 0x04,
 173         .bDescriptorType                = USB_DT_CS_INTERFACE,
 174         .bDescriptorSubType             = USB_CDC_ACM_TYPE,
 175         .bmCapabilities                 = 0x00,
 176 };
 177
 178 static struct usb_endpoint_descriptor thor_downloader_ep1_in_full __align (32) = {
 179         .bLength                        = USB_DT_ENDPOINT_SIZE,
 180         .bDescriptorType        = USB_DT_ENDPOINT,
 181         .bEndpointAddress       = 0x81,
 182         .bmAttributes           = USB_ENDPOINT_XFER_BULK,
 183         .wMaxPacketSize         = __constant_cpu_to_le16(64),
 184         .bInterval                      = 0,
 185 };
 186
 187 static struct usb_endpoint_descriptor thor_downloader_ep2_out_full __align (32) = {
 188         .bLength                        = USB_DT_ENDPOINT_SIZE,
 189         .bDescriptorType        = USB_DT_ENDPOINT,
 190         .bEndpointAddress       = 0x02,
 191         .bmAttributes           = USB_ENDPOINT_XFER_BULK,
 192         .wMaxPacketSize         = __constant_cpu_to_le16(64),
 193         .bInterval                      = 0,
 194 };
 195
 196 static const struct usb_descriptor_header *thor_function_full[] __align (32) = {
 197         (struct usb_descriptor_header *) &thor_downloader_intf_init,
 198         (struct usb_descriptor_header *) &thor_downloader_func_desc,
 199         (struct usb_descriptor_header *) &thor_downloader_func_desc_call,
 200         (struct usb_descriptor_header *) &thor_downloader_func_desc_abstract_full,
 201         (struct usb_descriptor_header *) &thor_downloader_cdc_union,
 202         (struct usb_descriptor_header *) &thor_downloader_ep3_in,
 203         (struct usb_descriptor_header *) &thor_downloader_intf_data,
 204         (struct usb_descriptor_header *) &thor_downloader_ep1_in_full,
 205         (struct usb_descriptor_header *) &thor_downloader_ep2_out_full,
 206 };
 207
 208 static char function_desc_buf[67] __align(32);
 209
 210 #define CONFIG_THOR_STRING_PRODUCT                      "SAMSUNG USB DRIVER"
 211 static char string_product[2 + 2 * (sizeof(CONFIG_THOR_STRING_PRODUCT) - 1)] __align(32);
 212
 213 #define CONFIG_THOR_STRING_MANUFACTURER         "SAMSUNG"
 214 static char string_manufacturer[2 + 2 * (sizeof(CONFIG_THOR_STRING_MANUFACTURER) - 1)] __align(32);
 215
 216 static char string_lang_ids[4] __align (32) = {4, USB_DT_STRING, 0x9, 0x4};
 217
 218 #define CONFIG_THOR_STRING_INTERFACE            "CDC Abstract Control Model"
 219 static char string_interface[2 + 2 * (sizeof(CONFIG_THOR_STRING_INTERFACE) - 1)] __align(32);
 220
 221 #define CONFIG_THOR_STRING_CONTROL                      "SAMSUNG SERIAL CONTROL"
 222 static char string_control[2 + 2 * (sizeof(CONFIG_THOR_STRING_CONTROL) - 1)] __align(32);
 223
 224 static struct usb_qualifier_descriptor thor_dev_qualifier_desc __align(32) = {
 225         .bLength                        = sizeof(thor_dev_qualifier_desc),
 226         .bDescriptorType        = USB_DT_DEVICE_QUALIFIER,
 227         .bcdUSB                         = __constant_cpu_to_le16(0x0200),
 228         .bDeviceClass           = USB_CLASS_VENDOR_SPEC,
 229
 230         .bDeviceSubClass        = 0x00,
 231         .bDeviceProtocol        = 0x00,
 232         .bMaxPacketSize0        = 64,
 233
 234         .bNumConfigurations     = 0x01,
 235         .bRESERVED                      = 0x00,
 236 };
 237
 238 unsigned char g_USB_Other_Speed_ConfigDescr[] __align(32) =
 239 {
 240         0x09,0x07,0x43,0x00,0x02,0x01,0x00,0xC0,
 241         0x19,
 242         0x09,0x04,0x00,0x00,0x01,0x02,0x02,0x01,
 243         0x03,
 244         0x05,0x24,0x00,0x10,0x01,
 245         0x05,0x24,0x01,0x00,0x01,
 246         0x04,0x24,0x02,0x0f,
 247         0x05,0x24,0x06,0x00,0x01,
 248         0x07,0x05,0x83,0x03,0x10,0x00,0x9,      //Ep 3 In       64
 249         0x09,0x04,0x01,0x00,0x02,0x0A,0x00,0x00,
 250         0x04,
 251         0x07,0x05,0x81,0x02,0x40,0x00,0x00,  //Ep 1 In  64
 252         0x07,0x05,0x02,0x02,0x40,0x00,0x00,  //Ep 2 OUT  64
 253 };
 254
 255 unsigned char *thor_get_device_desc(unsigned int speed)
 256 {
 257         if (speed == 0x00)              /* USB HIGH */
 258                 return (unsigned char *) &thor_device_desc_high;
 259         else
 260                 return (unsigned char *) &thor_device_desc_full;
 261 }
 262
 263 unsigned char *thor_get_config_desc(unsigned int speed)
 264 {
 265         usb_gadget_config_buf(&thor_config_desc, &function_desc_buf, 256, thor_function_high);
 266
 267         if (speed == 0x00)              /* USB_HIGH */
 268                 usb_gadget_config_buf(&thor_config_desc, &function_desc_buf, 256, thor_function_high);
 269         else
 270                 usb_gadget_config_buf(&thor_config_desc, &function_desc_buf, 256, thor_function_full);
 271
 272         return (unsigned char *) &function_desc_buf;
 273 }
 274
 275 static void str2wide (char *str, u16 * wide)
 276 {
 277         int i;
 278         for (i = 0; i < strlen (str) && str[i]; i++){
 279                 #if defined(__LITTLE_ENDIAN)
 280                         wide[i] = (u16) str[i];
 281                 #elif defined(__BIG_ENDIAN)
 282                         wide[i] = ((u16)(str[i])<<8);
 283                 #else
 284                         #error "__LITTLE_ENDIAN or __BIG_ENDIAN undefined"
 285                 #endif
 286         }
 287 }
 288
 289 unsigned char *thor_get_string_desc(unsigned char index)
 290 {
 291         struct usb_string_descriptor *string;
 292
 293         switch (index) {
 294                 case 0:
 295                         string = (struct usb_string_descriptor *) string_lang_ids;
 296
 297                         return (unsigned char *) string_lang_ids;
 298                 case 1:
 299                         string = (struct usb_string_descriptor *) string_manufacturer;
 300                         string->bLength = sizeof(string_manufacturer);
 301                         string->bDescriptorType = USB_DT_STRING;
 302                         str2wide(CONFIG_THOR_STRING_MANUFACTURER, string->wData);
 303
 304                         return (unsigned char *) string;
 305                 case 3:
 306                         string = (struct usb_string_descriptor *) string_interface;
 307                         string->bLength = sizeof(string_interface);
 308                         string->bDescriptorType = USB_DT_STRING;
 309                         str2wide(CONFIG_THOR_STRING_INTERFACE, string->wData);
 310
 311                         return (unsigned char *) string;
 312                 case 6:
 313                         string = (struct usb_string_descriptor *) string_control;
 314                         string->bLength = sizeof(string_control);
 315                         string->bDescriptorType = USB_DT_STRING;
 316                         str2wide(CONFIG_THOR_STRING_CONTROL, string->wData);
 317
 318                         return (unsigned char *) string;
 319                 case 2:
 320                 default:
 321                         string = (struct usb_string_descriptor *) string_product;
 322                         string->bLength = sizeof(string_product);
 323                         string->bDescriptorType = USB_DT_STRING;
 324                         str2wide(CONFIG_THOR_STRING_PRODUCT, string->wData);
 325
 326                         return (unsigned char *) string;
 327         }
 328
 329     return NULL;
 330 }
 331
 332 unsigned char *thor_get_qualifer_desc(void)
 333 {
 334     return (unsigned char *) &thor_dev_qualifier_desc;
 335 }
 336
 337 unsigned char *thor_get_other_speed_config_desc(void)
 338 {
 339     return (unsigned char *) g_USB_Other_Speed_ConfigDescr;
 340 }