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[ARM] pxa: add gpio_pwdown(_inverted) into pxaficp_ir.c

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and convert PXA-based devices to gpio_pwdown where possible.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Marek Vasut
2009-07-17 12:50:43 +02:00
committed by Eric Miao
parent 2a23ec3679
commit c4bd017273
22 changed files with 81 additions and 366 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
drivers/net/irda/pxaficp_ir.c
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@@ -17,6 +17,7 @@
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <net/irda/irda.h>
#include <net/irda/irmod.h>
@@ -162,6 +163,22 @@ inline static void pxa_irda_fir_dma_tx_start(struct pxa_irda *si)
DCSR(si->txdma) |= DCSR_RUN;
}
/*
* Set the IrDA communications mode.
*/
static void pxa_irda_set_mode(struct pxa_irda *si, int mode)
{
if (si->pdata->transceiver_mode)
si->pdata->transceiver_mode(si->dev, mode);
else {
if (gpio_is_valid(si->pdata->gpio_pwdown))
gpio_set_value(si->pdata->gpio_pwdown,
!(mode & IR_OFF) ^
!si->pdata->gpio_pwdown_inverted);
pxa2xx_transceiver_mode(si->dev, mode);
}
}
/*
* Set the IrDA communications speed.
*/
@@ -188,7 +205,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
pxa_irda_disable_clk(si);
/* set board transceiver to SIR mode */
si->pdata->transceiver_mode(si->dev, IR_SIRMODE);
pxa_irda_set_mode(si, IR_SIRMODE);
/* enable the STUART clock */
pxa_irda_enable_sirclk(si);
@@ -222,7 +239,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed)
ICCR0 = 0;
/* set board transceiver to FIR mode */
si->pdata->transceiver_mode(si->dev, IR_FIRMODE);
pxa_irda_set_mode(si, IR_FIRMODE);
/* enable the FICP clock */
pxa_irda_enable_firclk(si);
@@ -641,7 +658,7 @@ static void pxa_irda_shutdown(struct pxa_irda *si)
local_irq_restore(flags);
/* power off board transceiver */
si->pdata->transceiver_mode(si->dev, IR_OFF);
pxa_irda_set_mode(si, IR_OFF);
printk(KERN_DEBUG "pxa_ir: irda shutdown\n");
}
@@ -849,10 +866,26 @@ static int pxa_irda_probe(struct platform_device *pdev)
if (err)
goto err_mem_5;
if (si->pdata->startup)
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 (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;
@@ -903,6 +936,8 @@ static int pxa_irda_remove(struct platform_device *_dev)
if (dev) {
struct pxa_irda *si = netdev_priv(dev);
unregister_netdev(dev);
if (gpio_is_valid(si->pdata->gpio_pwdown))
gpio_free(si->pdata->gpio_pwdown);
if (si->pdata->shutdown)
si->pdata->shutdown(si->dev);
kfree(si->tx_buff.head);