PERFORCE change 131176 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=131176

Change 131176 by hselasky at hselasky_laptop001 on 2007/12/18 20:33:37

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Affected files ...

.. //depot/projects/usb/src/sys/arm/at91/at91_pio.c#5 edit
.. //depot/projects/usb/src/sys/arm/at91/at91_piovar.h#2 edit

Differences ...

==== //depot/projects/usb/src/sys/arm/at91/at91_pio.c#5 (text) ====

@@ -349,6 +349,28 @@
 	PIO[PIO_CODR / 4] = data_mask;
 }
 
+uint8_t
+at91_pio_gpio_get(uint32_t pio, uint32_t data_mask)
+{
+	uint32_t *PIO = (uint32_t *)(AT91RM92_BASE + pio);
+
+	data_mask &= PIO[PIO_PDSR / 4];
+
+	return (data_mask ? 1 : 0);
+}
+
+void
+at91_pio_gpio_set_deglitch(uint32_t pio, uint32_t data_mask, int use_deglitch)
+{
+	uint32_t *PIO = (uint32_t *)(AT91RM92_BASE + pio);
+
+	if (use_deglitch)
+		PIO[PIO_IFER / 4] = data_mask;
+	else
+		PIO[PIO_IFDR / 4] = data_mask;
+	return;
+}
+
 static device_method_t at91_pio_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_probe,		at91_pio_probe),

==== //depot/projects/usb/src/sys/arm/at91/at91_piovar.h#2 (text+ko) ====

@@ -35,5 +35,8 @@
 	int use_pullup);
 void at91_pio_gpio_set(uint32_t pio, uint32_t data_mask);
 void at91_pio_gpio_clear(uint32_t pio, uint32_t data_mask);
+uint8_t at91_pio_gpio_get(uint32_t pio, uint32_t data_mask);
+void at91_pio_gpio_set_deglitch(uint32_t pio, uint32_t data_mask,
+	int use_deglitch);
 
 #endif /* ARM_AT91_AT91_PIOVAR_H */