C++ (Cpp) pxa_irda_init_iobuf Examples

Example #1

File: pxaficp_ir.c Project: E-LLP/n900

static int pxa_irda_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct pxa_irda *si;
	unsigned int baudrate_mask;
	int err;

	if (!pdev->dev.platform_data)
		return -ENODEV;

	err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_1;

	err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_2;

	dev = alloc_irdadev(sizeof(struct pxa_irda));
	if (!dev)
		goto err_mem_3;

	si = netdev_priv(dev);
	si->dev = &pdev->dev;
	si->pdata = pdev->dev.platform_data;

	si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
	si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
	if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
		err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
		goto err_mem_4;
	}

	/*
	 * Initialise the SIR buffers
	 */
	err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto err_mem_4;
	err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto err_mem_5;

	if (si->pdata->startup)
		err = si->pdata->startup(si->dev);
	if (err)
		goto err_startup;

	dev->hard_start_xmit	= pxa_irda_hard_xmit;
	dev->open		= pxa_irda_start;
	dev->stop		= pxa_irda_stop;
	dev->do_ioctl		= pxa_irda_ioctl;
	dev->get_stats		= pxa_irda_stats;

	irda_init_max_qos_capabilies(&si->qos);

	baudrate_mask = 0;
	if (si->pdata->transceiver_cap & IR_SIRMODE)
		baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	if (si->pdata->transceiver_cap & IR_FIRMODE)
		baudrate_mask |= IR_4000000 << 8;

	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;  /* 1ms or more */

	irda_qos_bits_to_value(&si->qos);

	err = register_netdev(dev);

	if (err == 0)
		dev_set_drvdata(&pdev->dev, dev);

	if (err) {
		if (si->pdata->shutdown)
			si->pdata->shutdown(si->dev);
err_startup:
		kfree(si->tx_buff.head);
err_mem_5:
		kfree(si->rx_buff.head);
err_mem_4:
		if (si->sir_clk && !IS_ERR(si->sir_clk))
			clk_put(si->sir_clk);
		if (si->fir_clk && !IS_ERR(si->fir_clk))
			clk_put(si->fir_clk);
		free_netdev(dev);
err_mem_3:
		release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
		release_mem_region(__PREG(STUART), 0x24);
	}
err_mem_1:
	return err;
}

Example #2

File: pxaficp_ir.c Project: andi34/Dhollmen_Kernel

static int pxa_irda_probe(struct platform_device *pdev)
{
	struct net_device *dev;
	struct pxa_irda *si;
	unsigned int baudrate_mask;
	int err;

	if (!pdev->dev.platform_data)
		return -ENODEV;

	err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_1;

	err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY;
	if (err)
		goto err_mem_2;

	dev = alloc_irdadev(sizeof(struct pxa_irda));
	if (!dev)
		goto err_mem_3;

	SET_NETDEV_DEV(dev, &pdev->dev);
	si = netdev_priv(dev);
	si->dev = &pdev->dev;
	si->pdata = pdev->dev.platform_data;

	si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
	si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
	if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
		err = PTR_ERR(IS_ERR(si->sir_clk) ? si->sir_clk : si->fir_clk);
		goto err_mem_4;
	}

	/*
	 * Initialise the SIR buffers
	 */
	err = pxa_irda_init_iobuf(&si->rx_buff, 14384);
	if (err)
		goto err_mem_4;
	err = pxa_irda_init_iobuf(&si->tx_buff, 4000);
	if (err)
		goto err_mem_5;

	if (gpio_is_valid(si->pdata->gpio_pwdown)) {
		err = gpio_request(si->pdata->gpio_pwdown, "IrDA switch");
		if (err)
			goto err_startup;
		err = gpio_direction_output(si->pdata->gpio_pwdown,
					!si->pdata->gpio_pwdown_inverted);
		if (err) {
			gpio_free(si->pdata->gpio_pwdown);
			goto err_startup;
		}
	}

	if (si->pdata->startup) {
		err = si->pdata->startup(si->dev);
		if (err)
			goto err_startup;
	}

	if (gpio_is_valid(si->pdata->gpio_pwdown) && si->pdata->startup)
		dev_warn(si->dev, "gpio_pwdown and startup() both defined!\n");

	dev->netdev_ops = &pxa_irda_netdev_ops;

	irda_init_max_qos_capabilies(&si->qos);

	baudrate_mask = 0;
	if (si->pdata->transceiver_cap & IR_SIRMODE)
		baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200;
	if (si->pdata->transceiver_cap & IR_FIRMODE)
		baudrate_mask |= IR_4000000 << 8;

	si->qos.baud_rate.bits &= baudrate_mask;
	si->qos.min_turn_time.bits = 7;  /* 1ms or more */

	irda_qos_bits_to_value(&si->qos);

	err = register_netdev(dev);

	if (err == 0)
		dev_set_drvdata(&pdev->dev, dev);

	if (err) {
		if (si->pdata->shutdown)
			si->pdata->shutdown(si->dev);
err_startup:
		kfree(si->tx_buff.head);
err_mem_5:
		kfree(si->rx_buff.head);
err_mem_4:
		if (si->sir_clk && !IS_ERR(si->sir_clk))
			clk_put(si->sir_clk);
		if (si->fir_clk && !IS_ERR(si->fir_clk))
			clk_put(si->fir_clk);
		free_netdev(dev);
err_mem_3:
		release_mem_region(__PREG(FICP), 0x1c);
err_mem_2:
		release_mem_region(__PREG(STUART), 0x24);
	}
err_mem_1:
	return err;
}