#ifndef __DIAG_GPIO_H
#define __DIAG_GPIO_H
+
#include <linux/interrupt.h>
+#include <linux/ssb/ssb_embedded.h>
#include <linux/gpio.h>
-#include <asm/mach-bcm47xx/bcm47xx.h>
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
-#define ssb_bcm47xx bcm47xx_bus.ssb
-#endif
-
-static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,
- u32 mask, u32 value)
-{
- value &= mask;
- value |= ssb_read32(dev, offset) & ~mask;
- ssb_write32(dev, offset, value);
- return value;
-}
-
-static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
-{
- int irq;
-
- irq = gpio_to_irq(0);
- if (irq == -EINVAL) return;
-
- if (enabled) {
- if (request_irq(irq, handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, "gpio", handler))
- return;
- } else {
- free_irq(irq, handler);
- }
-
- if (ssb_bcm47xx.chipco.dev)
- __ssb_write32_masked(ssb_bcm47xx.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
-}
+#include <bcm47xx.h>
#define EXTIF_ADDR 0x1f000000
#define EXTIF_UART (EXTIF_ADDR + 0x00800000)
+/* GPIO pins driving LEDs through a shift register */
+#define SHIFTREG_DATA (1 << 6)
+#define SHIFTREG_CLK (1 << 7)
+#define SHIFTREG_MAX_BITS 8
+
#define GPIO_TYPE_NORMAL (0x0 << 24)
#define GPIO_TYPE_EXTIF (0x1 << 24)
+#define GPIO_TYPE_SHIFT (0x2 << 24)
#define GPIO_TYPE_MASK (0xf << 24)
-static inline void gpio_set_extif(int gpio, int value)
-{
- volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (gpio & ~GPIO_TYPE_MASK);
- if (value)
- *addr = 0xFF;
- else
- *addr;
-}
-
#endif /* __DIAG_GPIO_H */