static int __init pcap_rtc_probe(struct platform_device *pdev) { struct pcap_rtc *pcap_rtc; int timer_irq, alarm_irq; int err = -ENOMEM; pcap_rtc = devm_kzalloc(&pdev->dev, sizeof(struct pcap_rtc), GFP_KERNEL); if (!pcap_rtc) return err; pcap_rtc->pcap = dev_get_drvdata(pdev->dev.parent); platform_set_drvdata(pdev, pcap_rtc); pcap_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pcap", &pcap_rtc_ops, THIS_MODULE); if (IS_ERR(pcap_rtc->rtc)) return PTR_ERR(pcap_rtc->rtc); timer_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ); alarm_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA); err = devm_request_irq(&pdev->dev, timer_irq, pcap_rtc_irq, 0, "RTC Timer", pcap_rtc); if (err) return err; err = devm_request_irq(&pdev->dev, alarm_irq, pcap_rtc_irq, 0, "RTC Alarm", pcap_rtc); if (err) return err; return 0; }
static int __devinit pcap_keys_probe(struct platform_device *pdev) { int err = -ENOMEM; struct pcap_keys *pcap_keys; struct input_dev *input_dev; pcap_keys = kmalloc(sizeof(struct pcap_keys), GFP_KERNEL); if (!pcap_keys) return err; pcap_keys->pcap = dev_get_drvdata(pdev->dev.parent); input_dev = input_allocate_device(); if (!input_dev) goto fail; pcap_keys->input = input_dev; platform_set_drvdata(pdev, pcap_keys); input_dev->name = pdev->name; input_dev->phys = "pcap-keys/input0"; input_dev->id.bustype = BUS_HOST; input_dev->dev.parent = &pdev->dev; __set_bit(EV_KEY, input_dev->evbit); __set_bit(KEY_POWER, input_dev->keybit); __set_bit(KEY_HP, input_dev->keybit); err = input_register_device(input_dev); if (err) goto fail_allocate; err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys_handler, 0, "Power key", pcap_keys); if (err) goto fail_register; err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys_handler, 0, "Headphone button", pcap_keys); if (err) goto fail_pwrkey; return 0; fail_pwrkey: free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys); fail_register: input_unregister_device(input_dev); goto fail; fail_allocate: input_free_device(input_dev); fail: kfree(pcap_keys); return err; }
static int __devexit pcap_rtc_remove(struct platform_device *pdev) { struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev); free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ), pcap_rtc); free_irq(pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA), pcap_rtc); rtc_device_unregister(pcap_rtc->rtc); kfree(pcap_rtc); return 0; }
static int pcap_rtc_irq_enable(struct device *dev, int pirq, unsigned int en) { struct pcap_rtc *pcap_rtc = dev_get_drvdata(dev); if (en) enable_irq(pcap_to_irq(pcap_rtc->pcap, pirq)); else disable_irq(pcap_to_irq(pcap_rtc->pcap, pirq)); return 0; }
static int __devexit pcap_keys_remove(struct platform_device *pdev) { struct pcap_keys *pcap_keys = platform_get_drvdata(pdev); free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys); free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys); input_unregister_device(pcap_keys->input); kfree(pcap_keys); return 0; }
static int pcap_rtc_irq_enable(struct device *dev, int pirq, unsigned int en) { struct platform_device *pdev = to_platform_device(dev); struct pcap_rtc *pcap_rtc = platform_get_drvdata(pdev); if (en) enable_irq(pcap_to_irq(pcap_rtc->pcap, pirq)); else disable_irq(pcap_to_irq(pcap_rtc->pcap, pirq)); return 0; }
static irqreturn_t pcap_rtc_irq(int irq, void *_pcap_rtc) { struct pcap_rtc *pcap_rtc = _pcap_rtc; unsigned long rtc_events; if (irq == pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ)) rtc_events = RTC_IRQF | RTC_UF; else if (irq == pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA)) rtc_events = RTC_IRQF | RTC_AF; else rtc_events = 0; rtc_update_irq(pcap_rtc->rtc, 1, rtc_events); return IRQ_HANDLED; }
static int __devexit ezx_pcap_remove(struct spi_device *spi) { struct pcap_chip *pcap = dev_get_drvdata(&spi->dev); struct pcap_platform_data *pdata = spi->dev.platform_data; int i, adc_irq; /* remove all registered subdevs */ device_for_each_child(&spi->dev, NULL, pcap_remove_subdev); /* cleanup ADC */ adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ? PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE); free_irq(adc_irq, pcap); mutex_lock(&pcap->adc_mutex); for (i = 0; i < PCAP_ADC_MAXQ; i++) kfree(pcap->adc_queue[i]); mutex_unlock(&pcap->adc_mutex); /* cleanup irqchip */ for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) set_irq_chip_and_handler(i, NULL, NULL); destroy_workqueue(pcap->workqueue); kfree(pcap); return 0; }
static int __devinit pcap_rtc_probe(struct platform_device *pdev) { struct pcap_rtc *pcap_rtc; int timer_irq, alarm_irq; int err = -ENOMEM; pcap_rtc = kmalloc(sizeof(struct pcap_rtc), GFP_KERNEL); if (!pcap_rtc) return err; pcap_rtc->pcap = dev_get_drvdata(pdev->dev.parent); platform_set_drvdata(pdev, pcap_rtc); pcap_rtc->rtc = rtc_device_register("pcap", &pdev->dev, &pcap_rtc_ops, THIS_MODULE); if (IS_ERR(pcap_rtc->rtc)) { err = PTR_ERR(pcap_rtc->rtc); goto fail_rtc; } timer_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_1HZ); alarm_irq = pcap_to_irq(pcap_rtc->pcap, PCAP_IRQ_TODA); err = request_irq(timer_irq, pcap_rtc_irq, 0, "RTC Timer", pcap_rtc); if (err) goto fail_timer; err = request_irq(alarm_irq, pcap_rtc_irq, 0, "RTC Alarm", pcap_rtc); if (err) goto fail_alarm; return 0; fail_alarm: free_irq(timer_irq, pcap_rtc); fail_timer: rtc_device_unregister(pcap_rtc->rtc); fail_rtc: platform_set_drvdata(pdev, NULL); kfree(pcap_rtc); return err; }
static int pcap_ts_remove(struct platform_device *pdev) { struct pcap_ts *pcap_ts = platform_get_drvdata(pdev); free_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS), pcap_ts); cancel_delayed_work_sync(&pcap_ts->work); input_unregister_device(pcap_ts->input); kfree(pcap_ts); return 0; }
static int ezx_pcap_probe(struct spi_device *spi) { struct pcap_platform_data *pdata = dev_get_platdata(&spi->dev); struct pcap_chip *pcap; int i, adc_irq; int ret = -ENODEV; /* platform data is required */ if (!pdata) goto ret; pcap = devm_kzalloc(&spi->dev, sizeof(*pcap), GFP_KERNEL); if (!pcap) { ret = -ENOMEM; goto ret; } mutex_init(&pcap->io_mutex); mutex_init(&pcap->adc_mutex); INIT_WORK(&pcap->isr_work, pcap_isr_work); INIT_WORK(&pcap->msr_work, pcap_msr_work); spi_set_drvdata(spi, pcap); /* setup spi */ spi->bits_per_word = 32; spi->mode = SPI_MODE_0 | (pdata->config & PCAP_CS_AH ? SPI_CS_HIGH : 0); ret = spi_setup(spi); if (ret) goto ret; pcap->spi = spi; /* setup irq */ pcap->irq_base = pdata->irq_base; pcap->workqueue = create_singlethread_workqueue("pcapd"); if (!pcap->workqueue) { ret = -ENOMEM; dev_err(&spi->dev, "can't create pcap thread\n"); goto ret; } /* redirect interrupts to AP, except adcdone2 */ if (!(pdata->config & PCAP_SECOND_PORT)) ezx_pcap_write(pcap, PCAP_REG_INT_SEL, (1 << PCAP_IRQ_ADCDONE2)); /* setup irq chip */ for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) { irq_set_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq); irq_set_chip_data(i, pcap); #ifdef CONFIG_ARM set_irq_flags(i, IRQF_VALID); #else irq_set_noprobe(i); #endif } /* mask/ack all PCAP interrupts */ ezx_pcap_write(pcap, PCAP_REG_MSR, PCAP_MASK_ALL_INTERRUPT); ezx_pcap_write(pcap, PCAP_REG_ISR, PCAP_CLEAR_INTERRUPT_REGISTER); pcap->msr = PCAP_MASK_ALL_INTERRUPT; irq_set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING); irq_set_handler_data(spi->irq, pcap); irq_set_chained_handler(spi->irq, pcap_irq_handler); irq_set_irq_wake(spi->irq, 1); /* ADC */ adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ? PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE); ret = devm_request_irq(&spi->dev, adc_irq, pcap_adc_irq, 0, "ADC", pcap); if (ret) goto free_irqchip; /* setup subdevs */ for (i = 0; i < pdata->num_subdevs; i++) { ret = pcap_add_subdev(pcap, &pdata->subdevs[i]); if (ret) goto remove_subdevs; } /* board specific quirks */ if (pdata->init) pdata->init(pcap); return 0; remove_subdevs: device_for_each_child(&spi->dev, NULL, pcap_remove_subdev); free_irqchip: for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) irq_set_chip_and_handler(i, NULL, NULL); /* destroy_workqueue: */ destroy_workqueue(pcap->workqueue); ret: return ret; }
static int pcap_ts_probe(struct platform_device *pdev) { struct input_dev *input_dev; struct pcap_ts *pcap_ts; int err = -ENOMEM; pcap_ts = kzalloc(sizeof(*pcap_ts), GFP_KERNEL); if (!pcap_ts) return err; pcap_ts->pcap = dev_get_drvdata(pdev->dev.parent); platform_set_drvdata(pdev, pcap_ts); input_dev = input_allocate_device(); if (!input_dev) goto fail; INIT_DELAYED_WORK(&pcap_ts->work, pcap_ts_work); pcap_ts->read_state = PCAP_ADC_TS_M_NONTS; pcap_set_ts_bits(pcap_ts->pcap, pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT); pcap_ts->input = input_dev; input_set_drvdata(input_dev, pcap_ts); input_dev->name = "pcap-touchscreen"; input_dev->phys = "pcap_ts/input0"; input_dev->id.bustype = BUS_HOST; input_dev->id.vendor = 0x0001; input_dev->id.product = 0x0002; input_dev->id.version = 0x0100; input_dev->dev.parent = &pdev->dev; input_dev->open = pcap_ts_open; input_dev->close = pcap_ts_close; input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0); input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0); input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, 0, 0); err = input_register_device(pcap_ts->input); if (err) goto fail_allocate; err = request_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS), pcap_ts_event_touch, 0, "Touch Screen", pcap_ts); if (err) goto fail_register; return 0; fail_register: input_unregister_device(input_dev); goto fail; fail_allocate: input_free_device(input_dev); fail: kfree(pcap_ts); return err; }
static int __devinit ezx_pcap_probe(struct spi_device *spi) { struct pcap_platform_data *pdata = spi->dev.platform_data; struct pcap_chip *pcap; int i, adc_irq; int ret = -ENODEV; if (!pdata) goto ret; pcap = kzalloc(sizeof(*pcap), GFP_KERNEL); if (!pcap) { ret = -ENOMEM; goto ret; } mutex_init(&pcap->io_mutex); mutex_init(&pcap->adc_mutex); INIT_WORK(&pcap->isr_work, pcap_isr_work); INIT_WORK(&pcap->msr_work, pcap_msr_work); dev_set_drvdata(&spi->dev, pcap); spi->bits_per_word = 32; spi->mode = SPI_MODE_0 | (pdata->config & PCAP_CS_AH ? SPI_CS_HIGH : 0); ret = spi_setup(spi); if (ret) goto free_pcap; pcap->spi = spi; pcap->irq_base = pdata->irq_base; pcap->workqueue = create_singlethread_workqueue("pcapd"); if (!pcap->workqueue) { dev_err(&spi->dev, "cant create pcap thread\n"); goto free_pcap; } if (!(pdata->config & PCAP_SECOND_PORT)) ezx_pcap_write(pcap, PCAP_REG_INT_SEL, (1 << PCAP_IRQ_ADCDONE2)); for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) { set_irq_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq); set_irq_chip_data(i, pcap); #ifdef CONFIG_ARM set_irq_flags(i, IRQF_VALID); #else set_irq_noprobe(i); #endif } ezx_pcap_write(pcap, PCAP_REG_MSR, PCAP_MASK_ALL_INTERRUPT); ezx_pcap_write(pcap, PCAP_REG_ISR, PCAP_CLEAR_INTERRUPT_REGISTER); pcap->msr = PCAP_MASK_ALL_INTERRUPT; set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING); set_irq_data(spi->irq, pcap); set_irq_chained_handler(spi->irq, pcap_irq_handler); set_irq_wake(spi->irq, 1); adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ? PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE); ret = request_irq(adc_irq, pcap_adc_irq, 0, "ADC", pcap); if (ret) goto free_irqchip; for (i = 0; i < pdata->num_subdevs; i++) { ret = pcap_add_subdev(pcap, &pdata->subdevs[i]); if (ret) goto remove_subdevs; } if (pdata->init) pdata->init(pcap); return 0; remove_subdevs: device_for_each_child(&spi->dev, NULL, pcap_remove_subdev); free_irq(adc_irq, pcap); free_irqchip: for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) set_irq_chip_and_handler(i, NULL, NULL); destroy_workqueue(pcap->workqueue); free_pcap: kfree(pcap); ret: return ret; }