static int __devinit snd_mpu401_pnp(int dev, struct pnp_dev *device, const struct pnp_device_id *id) { if (!pnp_port_valid(device, 0) || pnp_port_flags(device, 0) & IORESOURCE_DISABLED) { snd_printk(KERN_ERR "no PnP port\n"); return -ENODEV; } if (pnp_port_len(device, 0) < IO_EXTENT) { snd_printk(KERN_ERR "PnP port length is %llu, expected %d\n", (unsigned long long)pnp_port_len(device, 0), IO_EXTENT); return -ENODEV; } port[dev] = pnp_port_start(device, 0); if (!pnp_irq_valid(device, 0) || pnp_irq_flags(device, 0) & IORESOURCE_DISABLED) { snd_printk(KERN_WARNING "no PnP irq, using polling\n"); irq[dev] = -1; } else { irq[dev] = pnp_irq(device, 0); } return 0; }
/** * pnp_is_active - Determines if a device is active based on its current * resources * @dev: pointer to the desired PnP device */ int pnp_is_active(struct pnp_dev *dev) { if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 && !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 && pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1) return 0; else return 1; }
static int scl200wdt_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id) { /* this driver only supports one card at a time */ if (wdt_dev || !isapnp) return -EBUSY; wdt_dev = dev; io = pnp_port_start(wdt_dev, 0); io_len = pnp_port_len(wdt_dev, 0); if (!request_region(io, io_len, SC1200_MODULE_NAME)) { printk(KERN_ERR PFX "Unable to register IO port %#x\n", io); return -EBUSY; } printk(KERN_INFO "scl200wdt: PnP device found at io port %#x/%d\n", io, io_len); return 0; }
int radio_isa_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) { struct pnp_driver *pnp_drv = to_pnp_driver(dev->dev.driver); struct radio_isa_driver *drv = container_of(pnp_drv, struct radio_isa_driver, pnp_driver); struct radio_isa_card *isa; if (!pnp_port_valid(dev, 0)) return -ENODEV; isa = radio_isa_alloc(drv, &dev->dev); if (!isa) return -ENOMEM; isa->io = pnp_port_start(dev, 0); return radio_isa_common_probe(isa, &dev->dev, drv->radio_nr_params[0], pnp_port_len(dev, 0)); }
/* allocate memory, probe hardware, and initialize everything */ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) { const struct ite_dev_params *dev_desc = NULL; struct ite_dev *itdev = NULL; struct rc_dev *rdev = NULL; int ret = -ENOMEM; int model_no; int io_rsrc_no; ite_dbg("%s called", __func__); itdev = kzalloc(sizeof(struct ite_dev), GFP_KERNEL); if (!itdev) return ret; /* input device for IR remote (and tx) */ rdev = rc_allocate_device(); if (!rdev) goto exit_free_dev_rdev; itdev->rdev = rdev; ret = -ENODEV; /* get the model number */ model_no = (int)dev_id->driver_data; ite_pr(KERN_NOTICE, "Auto-detected model: %s\n", ite_dev_descs[model_no].model); if (model_number >= 0 && model_number < ARRAY_SIZE(ite_dev_descs)) { model_no = model_number; ite_pr(KERN_NOTICE, "The model has been fixed by a module " "parameter."); } ite_pr(KERN_NOTICE, "Using model: %s\n", ite_dev_descs[model_no].model); /* get the description for the device */ dev_desc = &ite_dev_descs[model_no]; io_rsrc_no = dev_desc->io_rsrc_no; /* validate pnp resources */ if (!pnp_port_valid(pdev, io_rsrc_no) || pnp_port_len(pdev, io_rsrc_no) != dev_desc->io_region_size) { dev_err(&pdev->dev, "IR PNP Port not valid!\n"); goto exit_free_dev_rdev; } if (!pnp_irq_valid(pdev, 0)) { dev_err(&pdev->dev, "PNP IRQ not valid!\n"); goto exit_free_dev_rdev; } /* store resource values */ itdev->cir_addr = pnp_port_start(pdev, io_rsrc_no); itdev->cir_irq = pnp_irq(pdev, 0); /* initialize spinlocks */ spin_lock_init(&itdev->lock); /* initialize raw event */ init_ir_raw_event(&itdev->rawir); /* set driver data into the pnp device */ pnp_set_drvdata(pdev, itdev); itdev->pdev = pdev; /* initialize waitqueues for transmission */ init_waitqueue_head(&itdev->tx_queue); init_waitqueue_head(&itdev->tx_ended); /* copy model-specific parameters */ itdev->params = *dev_desc; /* apply any overrides */ if (sample_period > 0) itdev->params.sample_period = sample_period; if (tx_carrier_freq > 0) itdev->params.tx_carrier_freq = tx_carrier_freq; if (tx_duty_cycle > 0 && tx_duty_cycle <= 100) itdev->params.tx_duty_cycle = tx_duty_cycle; if (rx_low_carrier_freq > 0) itdev->params.rx_low_carrier_freq = rx_low_carrier_freq; if (rx_high_carrier_freq > 0) itdev->params.rx_high_carrier_freq = rx_high_carrier_freq; /* print out parameters */ ite_pr(KERN_NOTICE, "TX-capable: %d\n", (int) itdev->params.hw_tx_capable); ite_pr(KERN_NOTICE, "Sample period (ns): %ld\n", (long) itdev->params.sample_period); ite_pr(KERN_NOTICE, "TX carrier frequency (Hz): %d\n", (int) itdev->params.tx_carrier_freq); ite_pr(KERN_NOTICE, "TX duty cycle (%%): %d\n", (int) itdev->params.tx_duty_cycle); ite_pr(KERN_NOTICE, "RX low carrier frequency (Hz): %d\n", (int) itdev->params.rx_low_carrier_freq); ite_pr(KERN_NOTICE, "RX high carrier frequency (Hz): %d\n", (int) itdev->params.rx_high_carrier_freq); /* set up hardware initial state */ itdev->params.init_hardware(itdev); /* set up ir-core props */ rdev->priv = itdev; rdev->driver_type = RC_DRIVER_IR_RAW; rdev->allowed_protos = RC_BIT_ALL; rdev->open = ite_open; rdev->close = ite_close; rdev->s_idle = ite_s_idle; rdev->s_rx_carrier_range = ite_set_rx_carrier_range; rdev->min_timeout = ITE_MIN_IDLE_TIMEOUT; rdev->max_timeout = ITE_MAX_IDLE_TIMEOUT; rdev->timeout = ITE_IDLE_TIMEOUT; rdev->rx_resolution = ITE_BAUDRATE_DIVISOR * itdev->params.sample_period; rdev->tx_resolution = ITE_BAUDRATE_DIVISOR * itdev->params.sample_period; /* set up transmitter related values if needed */ if (itdev->params.hw_tx_capable) { rdev->tx_ir = ite_tx_ir; rdev->s_tx_carrier = ite_set_tx_carrier; rdev->s_tx_duty_cycle = ite_set_tx_duty_cycle; } rdev->input_name = dev_desc->model; rdev->input_id.bustype = BUS_HOST; rdev->input_id.vendor = PCI_VENDOR_ID_ITE; rdev->input_id.product = 0; rdev->input_id.version = 0; rdev->driver_name = ITE_DRIVER_NAME; rdev->map_name = RC_MAP_RC6_MCE; ret = rc_register_device(rdev); if (ret) goto exit_free_dev_rdev; ret = -EBUSY; /* now claim resources */ if (!request_region(itdev->cir_addr, dev_desc->io_region_size, ITE_DRIVER_NAME)) goto exit_unregister_device; if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED, ITE_DRIVER_NAME, (void *)itdev)) goto exit_release_cir_addr; ite_pr(KERN_NOTICE, "driver has been successfully loaded\n"); return 0; exit_release_cir_addr: release_region(itdev->cir_addr, itdev->params.io_region_size); exit_unregister_device: rc_unregister_device(rdev); exit_free_dev_rdev: rc_free_device(rdev); kfree(itdev); return ret; }
/* Allocate memory, probe hardware, and initialize everything */ static int fintek_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) { struct fintek_dev *fintek; struct rc_dev *rdev; int ret = -ENOMEM; fintek = kzalloc(sizeof(struct fintek_dev), GFP_KERNEL); if (!fintek) return ret; /* input device for IR remote (and tx) */ rdev = rc_allocate_device(); if (!rdev) goto exit_free_dev_rdev; ret = -ENODEV; /* validate pnp resources */ if (!pnp_port_valid(pdev, 0)) { dev_err(&pdev->dev, "IR PNP Port not valid!\n"); goto exit_free_dev_rdev; } if (!pnp_irq_valid(pdev, 0)) { dev_err(&pdev->dev, "IR PNP IRQ not valid!\n"); goto exit_free_dev_rdev; } fintek->cir_addr = pnp_port_start(pdev, 0); fintek->cir_irq = pnp_irq(pdev, 0); fintek->cir_port_len = pnp_port_len(pdev, 0); fintek->cr_ip = CR_INDEX_PORT; fintek->cr_dp = CR_DATA_PORT; spin_lock_init(&fintek->fintek_lock); pnp_set_drvdata(pdev, fintek); fintek->pdev = pdev; ret = fintek_hw_detect(fintek); if (ret) goto exit_free_dev_rdev; /* Initialize CIR & CIR Wake Logical Devices */ fintek_config_mode_enable(fintek); fintek_cir_ldev_init(fintek); fintek_config_mode_disable(fintek); /* Initialize CIR & CIR Wake Config Registers */ fintek_cir_regs_init(fintek); /* Set up the rc device */ rdev->priv = fintek; rdev->driver_type = RC_DRIVER_IR_RAW; rdev->allowed_protocols = RC_BIT_ALL; rdev->open = fintek_open; rdev->close = fintek_close; rdev->input_name = FINTEK_DESCRIPTION; rdev->input_phys = "fintek/cir0"; rdev->input_id.bustype = BUS_HOST; rdev->input_id.vendor = VENDOR_ID_FINTEK; rdev->input_id.product = fintek->chip_major; rdev->input_id.version = fintek->chip_minor; rdev->dev.parent = &pdev->dev; rdev->driver_name = FINTEK_DRIVER_NAME; rdev->map_name = RC_MAP_RC6_MCE; rdev->timeout = US_TO_NS(1000); /* rx resolution is hardwired to 50us atm, 1, 25, 100 also possible */ rdev->rx_resolution = US_TO_NS(CIR_SAMPLE_PERIOD); fintek->rdev = rdev; ret = -EBUSY; /* now claim resources */ if (!request_region(fintek->cir_addr, fintek->cir_port_len, FINTEK_DRIVER_NAME)) goto exit_free_dev_rdev; if (request_irq(fintek->cir_irq, fintek_cir_isr, IRQF_SHARED, FINTEK_DRIVER_NAME, (void *)fintek)) goto exit_free_cir_addr; ret = rc_register_device(rdev); if (ret) goto exit_free_irq; device_init_wakeup(&pdev->dev, true); fit_pr(KERN_NOTICE, "driver has been successfully loaded\n"); if (debug) cir_dump_regs(fintek); return 0; exit_free_irq: free_irq(fintek->cir_irq, fintek); exit_free_cir_addr: release_region(fintek->cir_addr, fintek->cir_port_len); exit_free_dev_rdev: rc_free_device(rdev); kfree(fintek); return ret; }
static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) { const struct ite_dev_params *dev_desc = NULL; struct ite_dev *itdev = NULL; struct rc_dev *rdev = NULL; int ret = -ENOMEM; int model_no; int io_rsrc_no; ite_dbg("%s called", __func__); itdev = kzalloc(sizeof(struct ite_dev), GFP_KERNEL); if (!itdev) return ret; rdev = rc_allocate_device(); if (!rdev) goto failure; ret = -ENODEV; model_no = (int)dev_id->driver_data; ite_pr(KERN_NOTICE, "Auto-detected model: %s\n", ite_dev_descs[model_no].model); if (model_number >= 0 && model_number < ARRAY_SIZE(ite_dev_descs)) { model_no = model_number; ite_pr(KERN_NOTICE, "The model has been fixed by a module " "parameter."); } ite_pr(KERN_NOTICE, "Using model: %s\n", ite_dev_descs[model_no].model); dev_desc = &ite_dev_descs[model_no]; io_rsrc_no = dev_desc->io_rsrc_no; if (!pnp_port_valid(pdev, io_rsrc_no) || pnp_port_len(pdev, io_rsrc_no) != dev_desc->io_region_size) { dev_err(&pdev->dev, "IR PNP Port not valid!\n"); goto failure; } if (!pnp_irq_valid(pdev, 0)) { dev_err(&pdev->dev, "PNP IRQ not valid!\n"); goto failure; } itdev->cir_addr = pnp_port_start(pdev, io_rsrc_no); itdev->cir_irq = pnp_irq(pdev, 0); spin_lock_init(&itdev->lock); init_ir_raw_event(&itdev->rawir); pnp_set_drvdata(pdev, itdev); itdev->pdev = pdev; init_waitqueue_head(&itdev->tx_queue); init_waitqueue_head(&itdev->tx_ended); itdev->params = *dev_desc; if (sample_period > 0) itdev->params.sample_period = sample_period; if (tx_carrier_freq > 0) itdev->params.tx_carrier_freq = tx_carrier_freq; if (tx_duty_cycle > 0 && tx_duty_cycle <= 100) itdev->params.tx_duty_cycle = tx_duty_cycle; if (rx_low_carrier_freq > 0) itdev->params.rx_low_carrier_freq = rx_low_carrier_freq; if (rx_high_carrier_freq > 0) itdev->params.rx_high_carrier_freq = rx_high_carrier_freq; ite_pr(KERN_NOTICE, "TX-capable: %d\n", (int) itdev->params.hw_tx_capable); ite_pr(KERN_NOTICE, "Sample period (ns): %ld\n", (long) itdev->params.sample_period); ite_pr(KERN_NOTICE, "TX carrier frequency (Hz): %d\n", (int) itdev->params.tx_carrier_freq); ite_pr(KERN_NOTICE, "TX duty cycle (%%): %d\n", (int) itdev->params.tx_duty_cycle); ite_pr(KERN_NOTICE, "RX low carrier frequency (Hz): %d\n", (int) itdev->params.rx_low_carrier_freq); ite_pr(KERN_NOTICE, "RX high carrier frequency (Hz): %d\n", (int) itdev->params.rx_high_carrier_freq); itdev->params.init_hardware(itdev); rdev->priv = itdev; rdev->driver_type = RC_DRIVER_IR_RAW; rdev->allowed_protos = RC_TYPE_ALL; rdev->open = ite_open; rdev->close = ite_close; rdev->s_idle = ite_s_idle; rdev->s_rx_carrier_range = ite_set_rx_carrier_range; rdev->min_timeout = ITE_MIN_IDLE_TIMEOUT; rdev->max_timeout = ITE_MAX_IDLE_TIMEOUT; rdev->timeout = ITE_IDLE_TIMEOUT; rdev->rx_resolution = ITE_BAUDRATE_DIVISOR * itdev->params.sample_period; rdev->tx_resolution = ITE_BAUDRATE_DIVISOR * itdev->params.sample_period; if (itdev->params.hw_tx_capable) { rdev->tx_ir = ite_tx_ir; rdev->s_tx_carrier = ite_set_tx_carrier; rdev->s_tx_duty_cycle = ite_set_tx_duty_cycle; } rdev->input_name = dev_desc->model; rdev->input_id.bustype = BUS_HOST; rdev->input_id.vendor = PCI_VENDOR_ID_ITE; rdev->input_id.product = 0; rdev->input_id.version = 0; rdev->driver_name = ITE_DRIVER_NAME; rdev->map_name = RC_MAP_RC6_MCE; ret = -EBUSY; if (!request_region(itdev->cir_addr, dev_desc->io_region_size, ITE_DRIVER_NAME)) goto failure; if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED, ITE_DRIVER_NAME, (void *)itdev)) goto failure; ret = rc_register_device(rdev); if (ret) goto failure; itdev->rdev = rdev; ite_pr(KERN_NOTICE, "driver has been successfully loaded\n"); return 0; failure: if (itdev->cir_irq) free_irq(itdev->cir_irq, itdev); if (itdev->cir_addr) release_region(itdev->cir_addr, itdev->params.io_region_size); rc_free_device(rdev); kfree(itdev); return ret; }
void radio_isa_pnp_remove(struct pnp_dev *dev) { struct radio_isa_card *isa = dev_get_drvdata(&dev->dev); radio_isa_common_remove(isa, pnp_port_len(dev, 0)); }