lwbt/physbusif.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <malloc.h>
   5 #include <ogcsys.h>
   6 #include <gccore.h>
   7 #include <usb.h>
   8
   9 #include "hci.h"
  10 #include "btmemb.h"
  11 #include "physbusif.h"
  12
  13 #define STACKSIZE                                       32768
  14
  15 #define NUM_ACL_BUFS                            30
  16 #define NUM_CTRL_BUFS                           45
  17
  18 #define ACL_BUF_SIZE                            1800
  19 #define CTRL_BUF_SIZE                           660
  20
  21 #define ROUNDUP32(v)                            (((u32)(v)+0x1f)&~0x1f)
  22 #define ROUNDDOWN32(v)                          (((u32)(v)-0x1f)&~0x1f)
  23
  24 struct usbtxbuf
  25 {
  26         u32 txsize;
  27         void *rpData;
  28 };
  29
  30 static u32 __ntd_ohci = 0;
  31 static u32 __ntd_ohci_initflag = 0;
  32 static u16 __ntd_vid = 0;
  33 static u16 __ntd_pid = 0;
  34 static u32 __ntd_vid_pid_specified = 0;
  35 static s32 __ntd_usb_fd = -1;
  36 static u32 __wait4hci = 1;
  37 static struct _usb_p __usbdev;
  38
  39 static struct memb_blks ctrlbufs;
  40 static struct memb_blks aclbufs;
  41
  42 static u8 __ppc_btstack1[STACKSIZE] ATTRIBUTE_ALIGN(8);
  43 static u8 __ppc_btstack2[STACKSIZE] ATTRIBUTE_ALIGN(8);
  44
  45 static s32 __issue_bulkread();
  46 static s32 __issue_intrread();
  47
  48 extern u32 __IPC_ClntInit();
  49
  50 static s32 __usb_closeCB(s32 result,void *usrdata)
  51 {
  52         __usbdev.fd = -1;
  53         return result;
  54 }
  55
  56 static s32 __writectrlmsgCB(s32 result,void *usrdata)
  57 {
  58         if(usrdata!=NULL) btmemb_free(&ctrlbufs,usrdata);
  59         return result;
  60 }
  61
  62 static s32 __writebulkmsgCB(s32 result,void *usrdata)
  63 {
  64         if(usrdata!=NULL) btmemb_free(&aclbufs,usrdata);
  65         return result;
  66 }
  67
  68 static s32 __readbulkdataCB(s32 result,void *usrdata)
  69 {
  70         u8 *ptr;
  71         u32 len;
  72         struct pbuf *p,*q;
  73         struct usbtxbuf *buf = (struct usbtxbuf*)usrdata;
  74
  75         if(__usbdev.openstate!=0x0002) return 0;
  76
  77         if(result>0) {
  78                 len = result;
  79                 p = btpbuf_alloc(PBUF_RAW,len,PBUF_POOL);
  80                 if(p!=NULL) {
  81                         ptr = buf->rpData;
  82                         for(q=p;q!=NULL && len>0;q=q->next) {
  83                                 memcpy(q->payload,ptr,q->len);
  84                                 ptr += q->len;
  85                                 len -= q->len;
  86                         }
  87
  88                         SYS_SwitchFiber((u32)p,0,0,0,(u32)hci_acldata_handler,(u32)(&__ppc_btstack2[STACKSIZE]));
  89                         btpbuf_free(p);
  90                 } else
  91                         ERROR("__readbulkdataCB: Could not allocate memory for pbuf.\n");
  92         }
  93         btmemb_free(&aclbufs,buf);
  94
  95         return __issue_bulkread();
  96 }
  97
  98 static s32 __readintrdataCB(s32 result,void *usrdata)
  99 {
 100         u8 *ptr;
 101         u32 len;
 102         struct pbuf *p,*q;
 103         struct usbtxbuf *buf = (struct usbtxbuf*)usrdata;
 104
 105         if(__usbdev.openstate!=0x0002) return 0;
 106
 107         if(result>0) {
 108                 len = result;
 109                 p = btpbuf_alloc(PBUF_RAW,len,PBUF_POOL);
 110                 if(p!=NULL) {
 111                         ptr = buf->rpData;
 112                         for(q=p;q!=NULL && len>0;q=q->next) {
 113                                 memcpy(q->payload,ptr,q->len);
 114                                 ptr += q->len;
 115                                 len -= q->len;
 116                         }
 117
 118                         SYS_SwitchFiber((u32)p,0,0,0,(u32)hci_event_handler,(u32)(&__ppc_btstack1[STACKSIZE]));
 119                         btpbuf_free(p);
 120                 } else
 121                         ERROR("__readintrdataCB: Could not allocate memory for pbuf.\n");
 122         }
 123         btmemb_free(&ctrlbufs,buf);
 124
 125         return __issue_intrread();
 126 }
 127
 128 static s32 __issue_intrread()
 129 {
 130         s32 ret;
 131         u32 len;
 132         u8 *ptr;
 133         struct usbtxbuf *buf;
 134
 135         if(__usbdev.openstate!=0x0002) return IPC_OK;
 136
 137         buf = (struct usbtxbuf*)btmemb_alloc(&ctrlbufs);
 138         if(buf!=NULL) {
 139                 ptr = (u8*)((u32)buf + sizeof(struct usbtxbuf));
 140                 buf->rpData = (void*)ROUNDUP32(ptr);
 141                 len = (ctrlbufs.size - ((u32)buf->rpData - (u32)buf));
 142                 buf->txsize = ROUNDDOWN32(len);
 143                 ret = USB_ReadIntrMsgAsync(__usbdev.fd,__usbdev.hci_evt,buf->txsize,buf->rpData,__readintrdataCB,buf);
 144         } else
 145                 ret = IPC_ENOMEM;
 146
 147         return ret;
 148 }
 149
 150 static s32 __issue_bulkread()
 151 {
 152         s32 ret;
 153         u32 len;
 154         u8 *ptr;
 155         struct usbtxbuf *buf;
 156
 157         if(__usbdev.openstate!=0x0002) return IPC_OK;
 158
 159         buf = (struct usbtxbuf*)btmemb_alloc(&aclbufs);
 160         if(buf!=NULL) {
 161                 ptr = (u8*)((u32)buf + sizeof(struct usbtxbuf));
 162                 buf->rpData = (void*)ROUNDUP32(ptr);
 163                 len = (aclbufs.size - ((u32)buf->rpData - (u32)buf));
 164                 buf->txsize = ROUNDDOWN32(len);
 165                 ret = USB_ReadBlkMsgAsync(__usbdev.fd,__usbdev.acl_in,buf->txsize,buf->rpData,__readbulkdataCB,buf);
 166         } else
 167                 ret = IPC_ENOMEM;
 168
 169         return ret;
 170 }
 171
 172 static s32 __initUsbIOBuffer(struct memb_blks *blk,u32 buf_size,u32 num_bufs)
 173 {
 174         u32 len;
 175         u8 *ptr = NULL;
 176
 177         len = ((MEM_ALIGN_SIZE(buf_size)+sizeof(u32))*num_bufs);
 178         ptr = (u8*)ROUNDDOWN32(((u32)SYS_GetArena2Hi() - len));
 179         if((u32)ptr<(u32)SYS_GetArena2Lo()) return -4;
 180
 181         SYS_SetArena2Hi(ptr);
 182
 183         blk->size = buf_size;
 184         blk->num = num_bufs;
 185         blk->mem = ptr;
 186
 187         btmemb_init(blk);
 188         return 0;
 189 }
 190
 191 static s32 __getDeviceId(u16 vid,u16 pid)
 192 {
 193         s32 ret = 0;
 194
 195         if(__ntd_ohci_initflag==0x0001) {
 196                 if(__ntd_ohci==0x0000)
 197                         ret = USB_OpenDevice("oh0",vid,pid,&__usbdev.fd);
 198                 else if(__ntd_ohci==0x0001)
 199                         ret = USB_OpenDevice("oh1",vid,pid,&__usbdev.fd);
 200         } else
 201                 ret = USB_OpenDevice("oh1",vid,pid,&__usbdev.fd);
 202
 203         //printf("__getDeviceId(%04x,%04x,%d)\n",vid,pid,__usbdev.fd);
 204         if(ret==0) __ntd_usb_fd = __usbdev.fd;
 205         return ret;
 206 }
 207
 208 static s32 __usb_register(pbcallback cb)
 209 {
 210         s32 ret = 0;
 211
 212         memset(&__usbdev,0,sizeof(struct _usb_p));
 213         __usbdev.openstate = 5;
 214
 215         ret = __IPC_ClntInit();
 216         if(ret<0) return ret;
 217
 218         ret = USB_Initialize();
 219         if(ret<0) return ret;
 220
 221         __usbdev.fd = -1;
 222         __usbdev.unregcb = cb;
 223         if(__ntd_vid_pid_specified) {
 224                 __usbdev.vid = __ntd_vid;
 225                 __usbdev.pid = __ntd_pid;
 226         } else {
 227                 __usbdev.vid = 0x057E;
 228                 __usbdev.pid = 0x0305;
 229         }
 230
 231         ret = __getDeviceId(__usbdev.vid,__usbdev.pid);
 232         if(ret<0) return ret;
 233
 234         __usbdev.acl_out                = 0x02;
 235         __usbdev.acl_in                 = 0x82;
 236         __usbdev.hci_evt                = 0x81;
 237         __usbdev.hci_ctrl               = 0x00;
 238
 239         __initUsbIOBuffer(&ctrlbufs,CTRL_BUF_SIZE,NUM_CTRL_BUFS);
 240         __initUsbIOBuffer(&aclbufs,ACL_BUF_SIZE,NUM_ACL_BUFS);
 241
 242         __usbdev.openstate = 4;
 243         __wait4hci = 1;
 244
 245         return ret;
 246 }
 247
 248 static s32 __usb_open(pbcallback cb)
 249 {
 250         if(__usbdev.openstate!=0x0004) return -1;
 251
 252         __usbdev.closecb = cb;
 253         __usbdev.openstate = 2;
 254
 255         __issue_intrread();
 256         __issue_bulkread();
 257
 258         __wait4hci = 0;
 259         return 0;
 260 }
 261
 262 void __ntd_set_ohci(u8 hci)
 263 {
 264         if(hci==0x0000) {
 265                 __ntd_ohci = 0;
 266                 __ntd_ohci_initflag = 1;
 267         } else if(hci==0x0001) {
 268                 __ntd_ohci = 1;
 269                 __ntd_ohci_initflag = 1;
 270         }
 271 }
 272
 273 void __ntd_set_pid_vid(u16 vid,u16 pid)
 274 {
 275         __ntd_vid = vid;
 276         __ntd_pid = pid;
 277         __ntd_vid_pid_specified = 1;
 278 }
 279
 280
 281 void physbusif_init()
 282 {
 283         s32 ret;
 284
 285         ret = __usb_register(NULL);
 286         if(ret<0) return;
 287
 288         __usb_open(NULL);
 289 }
 290
 291 void physbusif_close()
 292 {
 293         if(__usbdev.openstate!=0x0002) return;
 294
 295         __usbdev.openstate = 4;
 296         __wait4hci = 1;
 297 }
 298
 299 void physbusif_shutdown()
 300 {
 301         if(__usbdev.openstate!=0x0004) return;
 302         USB_CloseDeviceAsync(&__usbdev.fd,__usb_closeCB,NULL);
 303 }
 304
 305 void physbusif_reset_all()
 306 {
 307         return;
 308 }
 309
 310 void physbusif_output(struct pbuf *p,u16_t len)
 311 {
 312         s32 ret;
 313         u32 pos;
 314         u8 *ptr;
 315         struct pbuf *q;
 316         struct memb_blks *mblks;
 317         struct usbtxbuf *blkbuf;
 318
 319         if(__usbdev.openstate!=0x0002) return;
 320
 321         if(((u8*)p->payload)[0]==HCI_COMMAND_DATA_PACKET) mblks = &ctrlbufs;
 322         else if(((u8*)p->payload)[0]==HCI_ACL_DATA_PACKET) mblks = &aclbufs;
 323         else return;
 324
 325         blkbuf = btmemb_alloc(mblks);
 326         if(blkbuf!=NULL) {
 327                 blkbuf->txsize = --len;
 328                 blkbuf->rpData = (void*)ROUNDUP32(((u32)blkbuf+sizeof(struct usbtxbuf)));
 329
 330                 ptr = blkbuf->rpData;
 331                 for(q=p,pos=1;q!=NULL && len>0;q=q->next,pos=0) {
 332                         memcpy(ptr,q->payload+pos,(q->len-pos));
 333                         ptr += (q->len-pos);
 334                         len -= (q->len-pos);
 335                 }
 336
 337                 if(((u8*)p->payload)[0]==HCI_COMMAND_DATA_PACKET) {
 338                         ret = USB_WriteCtrlMsgAsync(__usbdev.fd,0x20,0,0,0,blkbuf->txsize,blkbuf->rpData,__writectrlmsgCB,blkbuf);
 339                 } else if(((u8*)p->payload)[0]==HCI_ACL_DATA_PACKET) {
 340                         ret = USB_WriteBlkMsgAsync(__usbdev.fd,__usbdev.acl_out,blkbuf->txsize,blkbuf->rpData,__writebulkmsgCB,blkbuf);
 341                 }
 342         }
 343 }