void mac_init_IRQ(void) { int i; #ifdef DEBUG_MACINTS printk("mac_init_IRQ(): Setting things up...\n"); #endif /* Initialize the IRQ handler lists. Initially each list is empty, */ for (i = 0; i < NUM_MAC_SOURCES; i++) { mac_irq_list[i] = NULL; } scc_mask = 0; /* Make sure the SONIC interrupt is cleared or things get ugly */ #ifdef SHUTUP_SONIC printk("Killing onboard sonic... "); /* This address should hopefully be mapped already */ if (hwreg_present((void*)(0x50f0a000))) { *(long *)(0x50f0a014) = 0x7fffL; *(long *)(0x50f0a010) = 0L; } printk("Done.\n"); #endif /* SHUTUP_SONIC */ /* * Now register the handlers for the master IRQ handlers * at levels 1-7. Most of the work is done elsewhere. */ if (oss_present) { oss_register_interrupts(); } else { via_register_interrupts(); } if (psc_present) psc_register_interrupts(); if (baboon_present) baboon_register_interrupts(); iop_register_interrupts(); cpu_request_irq(7, mac_nmi_handler, IRQ_FLG_LOCK, "NMI", mac_nmi_handler); #ifdef DEBUG_MACINTS printk("mac_init_IRQ(): Done!\n"); #endif }
void mac_init_IRQ(void) { #ifdef DEBUG_MACINTS printk("mac_init_IRQ(): Setting things up...\n"); #endif scc_mask = 0; m68k_setup_irq_controller(&mac_irq_controller, IRQ_USER, NUM_MAC_SOURCES - IRQ_USER); /* Make sure the SONIC interrupt is cleared or things get ugly */ #ifdef SHUTUP_SONIC printk("Killing onboard sonic... "); /* This address should hopefully be mapped already */ if (hwreg_present((void*)(0x50f0a000))) { *(long *)(0x50f0a014) = 0x7fffL; *(long *)(0x50f0a010) = 0L; } printk("Done.\n"); #endif /* SHUTUP_SONIC */ /* * Now register the handlers for the master IRQ handlers * at levels 1-7. Most of the work is done elsewhere. */ if (oss_present) oss_register_interrupts(); else via_register_interrupts(); if (psc_present) psc_register_interrupts(); if (baboon_present) baboon_register_interrupts(); iop_register_interrupts(); request_irq(IRQ_AUTO_7, mac_nmi_handler, 0, "NMI", mac_nmi_handler); #ifdef DEBUG_MACINTS printk("mac_init_IRQ(): Done!\n"); #endif }
int oss_als3xx_attach (oss_device_t * osdev) { unsigned char pci_irq_line, pci_revision; unsigned short pci_command, vendor, device; unsigned int pci_ioaddr; int err; als300_devc *devc; DDB (cmn_err (CE_WARN, "Entered ALS ALS300 probe routine\n")); pci_read_config_word (osdev, PCI_VENDOR_ID, &vendor); pci_read_config_byte (osdev, PCI_REVISION_ID, &pci_revision); pci_read_config_word (osdev, PCI_COMMAND, &pci_command); pci_read_config_word (osdev, PCI_DEVICE_ID, &device); pci_read_config_irq (osdev, PCI_INTERRUPT_LINE, &pci_irq_line); pci_read_config_dword (osdev, PCI_BASE_ADDRESS_0, &pci_ioaddr); if (vendor != ALS_VENDOR_ID || (device != ALS_300 && device != ALS_300P)) return 0; DDB (cmn_err (CE_WARN, "rev %x I/O base %04x\n", pci_revision, pci_ioaddr)); if (pci_ioaddr == 0) { cmn_err (CE_WARN, "I/O address not assigned by BIOS.\n"); return 0; } if (pci_irq_line == 0) { cmn_err (CE_WARN, "IRQ not assigned by BIOS (%d).\n", pci_irq_line); return 0; } if ((devc = PMALLOC (osdev, sizeof (*devc))) == NULL) { cmn_err (CE_WARN, "Out of memory\n"); return 0; } devc->osdev = osdev; osdev->devc = devc; devc->open_mode = 0; devc->base = MAP_PCI_IOADDR (devc->osdev, 0, pci_ioaddr); /* Remove I/O space marker in bit 0. */ devc->base &= ~3; devc->irq = pci_irq_line; devc->mpu_base = als300_mpu_base; pci_command |= PCI_COMMAND_MASTER | PCI_COMMAND_IO; pci_write_config_word (osdev, PCI_COMMAND, pci_command); switch (device) { case ALS_300: devc->model = MDL_ALS300; devc->chip_name = "Avance Logic ALS300"; devc->chip_rev = pci_revision; break; case ALS_300P: devc->model = MDL_ALS300PLUS; devc->chip_name = "Avance Logic ALS300+"; devc->chip_rev = pci_revision; break; } MUTEX_INIT (devc->osdev, devc->mutex, MH_DRV); MUTEX_INIT (devc->osdev, devc->low_mutex, MH_DRV + 1); oss_register_device (osdev, devc->chip_name); if ((err = oss_register_interrupts (devc->osdev, 0, als300intr, NULL)) < 0) { cmn_err (CE_WARN, "Can't allocate IRQ%d, err=%d\n", pci_irq_line, err); return 0; } return init_als300 (devc); /* Detected */ }
int oss_fmedia_attach (oss_device_t * osdev) { unsigned char pci_irq_line, pci_revision; unsigned short pci_command, vendor, device; unsigned int pci_ioaddr; int err; fm801_devc *devc; DDB (cmn_err (CE_WARN, "Entered FM801 FM801 probe routine\n")); pci_read_config_word (osdev, PCI_VENDOR_ID, &vendor); pci_read_config_word (osdev, PCI_DEVICE_ID, &device); if (vendor != FORTEMEDIA_VENDOR_ID || device != FORTEMEDIA_FM801) return 0; pci_read_config_byte (osdev, PCI_REVISION_ID, &pci_revision); pci_read_config_word (osdev, PCI_COMMAND, &pci_command); pci_read_config_irq (osdev, PCI_INTERRUPT_LINE, &pci_irq_line); pci_read_config_dword (osdev, PCI_BASE_ADDRESS_0, &pci_ioaddr); DDB (cmn_err (CE_WARN, "FM801 I/O base %04x\n", pci_ioaddr)); if (pci_irq_line == 0) { cmn_err (CE_WARN, "IRQ not assigned by BIOS (%d). Can't continue\n", pci_irq_line); return 0; } if (pci_ioaddr == 0) { cmn_err (CE_WARN, "I/O address not assigned by BIOS.\n"); return 0; } if ((devc = PMALLOC (osdev, sizeof (*devc))) == NULL) { cmn_err (CE_WARN, "Out of memory\n"); return 0; } devc->osdev = osdev; osdev->devc = devc; devc->base = MAP_PCI_IOADDR (devc->osdev, 0, pci_ioaddr); /* Remove I/O space marker in bit 0. */ devc->base &= ~3; devc->mpu_irq = fmedia_mpu_irq; devc->mpu_base = devc->base + 0x30; pci_command |= PCI_COMMAND_MASTER | PCI_COMMAND_IO; pci_write_config_word (osdev, PCI_COMMAND, pci_command); switch (pci_revision) { case 0xb1: devc->model = MDL_FM801AS; devc->chip_name = "ForteMedia FM801-AS"; break; case 0xb2: devc->model = MDL_FM801AU; devc->chip_name = "ForteMedia FM801-AU"; break; } oss_register_device (osdev, devc->chip_name); if ((err = oss_register_interrupts (osdev, 0, fm801intr, NULL)) < 0) { cmn_err (CE_WARN, "Error installing interrupt handler: %x\n", err); return 0; } MUTEX_INIT (devc->osdev, devc->mutex, MH_DRV); MUTEX_INIT (devc->osdev, devc->low_mutex, MH_DRV + 1); return init_fm801 (devc); /* Detected */ }