int ddekit_pci_writeb (int bus, int slot, int func, int pos, ddekit_uint8_t val) { struct ddekit_pci_dev * dev = ddekit_get_dev_helper(bus, slot, func); if (dev) { pci_attr_w8 (dev->devind, pos, val); DDEBUG_MSG_VERBOSE("bus: %d, slot: %d, func: %d, pos: %x %x", bus, slot, func, pos, val); return 0; } return -1; }
/*===========================================================================* * do_int * *===========================================================================*/ static void do_int(struct port *pp) { int devind, vcc_5v, vcc_3v, vcc_Xv, vcc_Yv, socket_5v, socket_3v, socket_Xv, socket_Yv; spin_t spin; u32_t csr_event, csr_present, csr_control; u8_t v8; u16_t v16; #if USE_INTS int r; #endif devind= pp->p_devind; v8= pci_attr_r8(devind, TI_CARD_CTRL); if (v8 & TI_CCR_IFG) { printf("ti1225: got functional interrupt\n"); pci_attr_w8(devind, TI_CARD_CTRL, v8); } if (debug) { printf("Socket event: 0x%x\n", pp->csr_ptr->csr_event); printf("Socket mask: 0x%x\n", pp->csr_ptr->csr_mask); } csr_present= pp->csr_ptr->csr_present; csr_control= pp->csr_ptr->csr_control; if ((csr_present & (CP_CDETECT1|CP_CDETECT2)) != 0) { if (debug) printf("do_int: no card present\n"); return; } if (csr_present & CP_BADVCCREQ) { printf("do_int: Bad Vcc request\n"); /* return; */ } if (csr_present & CP_DATALOST) { /* Do we care? */ if (debug) printf("do_int: Data lost\n"); /* return; */ } if (csr_present & CP_NOTACARD) { printf("do_int: Not a card\n"); return; } if (debug) { if (csr_present & CP_CBCARD) printf("do_int: Cardbus card detected\n"); if (csr_present & CP_16BITCARD) printf("do_int: 16-bit card detected\n"); } if (csr_present & CP_PWRCYCLE) { if (debug) printf("do_int: powered up\n"); return; } vcc_5v= !!(csr_present & CP_5VCARD); vcc_3v= !!(csr_present & CP_3VCARD); vcc_Xv= !!(csr_present & CP_XVCARD); vcc_Yv= !!(csr_present & CP_YVCARD); if (debug) { printf("do_int: card supports:%s%s%s%s\n", vcc_5v ? " 5V" : "", vcc_3v ? " 3V" : "", vcc_Xv ? " X.X V" : "", vcc_Yv ? " Y.Y V" : ""); } socket_5v= !!(csr_present & CP_5VSOCKET); socket_3v= !!(csr_present & CP_3VSOCKET); socket_Xv= !!(csr_present & CP_XVSOCKET); socket_Yv= !!(csr_present & CP_YVSOCKET); if (debug) { printf("do_int: socket supports:%s%s%s%s\n", socket_5v ? " 5V" : "", socket_3v ? " 3V" : "", socket_Xv ? " X.X V" : "", socket_Yv ? " Y.Y V" : ""); } if (vcc_5v && socket_5v) { csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_5V; pp->csr_ptr->csr_control= csr_control; if (debug) printf("do_int: applying 5V\n"); } else if (vcc_3v && socket_3v) { csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_3V; pp->csr_ptr->csr_control= csr_control; if (debug) printf("do_int: applying 3V\n"); } else if (vcc_Xv && socket_Xv) { csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_XV; pp->csr_ptr->csr_control= csr_control; printf("do_int: applying X.X V\n"); } else if (vcc_Yv && socket_Yv) { csr_control= (csr_control & ~CC_VCCCTRL) | CC_VCC_YV; pp->csr_ptr->csr_control= csr_control; printf("do_int: applying Y.Y V\n"); } else { printf("do_int: socket and card are not compatible\n"); return; } csr_event= pp->csr_ptr->csr_event; if (csr_event) { if (debug) printf("clearing socket event\n"); pp->csr_ptr->csr_event= csr_event; if (debug) { printf("Socket event (cleared): 0x%x\n", pp->csr_ptr->csr_event); } } devind= pp->p_devind; v8= pci_attr_r8(devind, TI_CARD_CTRL); if (v8 & TI_CCR_IFG) { printf("ti1225: got functional interrupt\n"); pci_attr_w8(devind, TI_CARD_CTRL, v8); } if (debug) { v8= pci_attr_r8(devind, TI_CARD_CTRL); printf("TI_CARD_CTRL: 0x%02x\n", v8); } spin_init(&spin, 100000); do { csr_present= pp->csr_ptr->csr_present; if (csr_present & CP_PWRCYCLE) break; } while (spin_check(&spin)); if (!(csr_present & CP_PWRCYCLE)) { printf("do_int: not powered up?\n"); return; } /* Reset device */ v16= pci_attr_r16(devind, CBB_BRIDGECTRL); v16 |= CBB_BC_CRST; pci_attr_w16(devind, CBB_BRIDGECTRL, v16); /* Wait one microsecond. Is this correct? What are the specs? */ micro_delay(1); /* Clear CBB_BC_CRST */ v16= pci_attr_r16(devind, CBB_BRIDGECTRL); v16 &= ~CBB_BC_CRST; pci_attr_w16(devind, CBB_BRIDGECTRL, v16); /* Wait one microsecond after clearing the reset line. Is this * correct? What are the specs? */ micro_delay(1); pci_rescan_bus(pp->p_cb_busnr); #if USE_INTS r= sys_irqenable(&pp->p_hook); if (r != OK) panic("unable enable interrupts: %d", r); #endif }