diff options
Diffstat (limited to 'package/broadcom-diag/src/gpio.h')
| -rw-r--r-- | package/broadcom-diag/src/gpio.h | 91 |
1 files changed, 82 insertions, 9 deletions
diff --git a/package/broadcom-diag/src/gpio.h b/package/broadcom-diag/src/gpio.h index c6f34bdea..982caddae 100644 --- a/package/broadcom-diag/src/gpio.h +++ b/package/broadcom-diag/src/gpio.h @@ -1,5 +1,77 @@ #ifndef __DIAG_GPIO_H #define __DIAG_GPIO_H +#include <linux/interrupt.h> + +#ifndef BCMDRIVER +#include <linux/ssb/ssb.h> +#include <linux/ssb/ssb_driver_chipcommon.h> +#include <linux/ssb/ssb_driver_extif.h> + +extern struct ssb_bus ssb; + +#define gpio_op(op, param...) \ + do { \ + if (ssb.chipco.dev) \ + return ssb_chipco_gpio_##op(&ssb.chipco, param); \ + else if (ssb.extif.dev) \ + return ssb_extif_gpio_##op(&ssb.extif, param); \ + else \ + return 0; \ + } while (0); + + +static inline u32 gpio_in(void) +{ + gpio_op(in, ~0); +} + +static inline u32 gpio_out(u32 mask, u32 value) +{ + gpio_op(out, mask, value); +} + +static inline u32 gpio_outen(u32 mask, u32 value) +{ + gpio_op(outen, mask, value); +} + +static inline u32 gpio_control(u32 mask, u32 value) +{ + if (ssb.chipco.dev) + return ssb_chipco_gpio_control(&ssb.chipco, mask, value); + else + return 0; +} + +static inline u32 gpio_intmask(u32 mask, u32 value) +{ + gpio_op(intmask, mask, value); +} + +static inline u32 gpio_intpolarity(u32 mask, u32 value) +{ + gpio_op(polarity, mask, value); +} + +static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, struct pt_regs *)) +{ + int irq; + + if (ssb.chipco.dev) + irq = ssb_mips_irq(ssb.chipco.dev) + 2; + else if (ssb.extif.dev) + irq = ssb_mips_irq(ssb.extif.dev) + 2; + else return; + + if (enabled) + request_irq(irq, handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", handler); + else + free_irq(irq, handler); + + gpio_intmask(1, (enabled ? 1 : 0)); +} + +#else #include <typedefs.h> #include <osl.h> @@ -18,13 +90,6 @@ #define sbh_lock bcm947xx_sbh_lock #endif -#define EXTIF_ADDR 0x1f000000 -#define EXTIF_UART (EXTIF_ADDR + 0x00800000) - -#define GPIO_TYPE_NORMAL (0x0 << 24) -#define GPIO_TYPE_EXTIF (0x1 << 24) -#define GPIO_TYPE_MASK (0xf << 24) - extern void *sbh; extern spinlock_t sbh_lock; @@ -65,6 +130,15 @@ static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, spin_unlock_irqrestore(sbh_lock, flags); } +#endif /* BCMDRIVER */ + +#define EXTIF_ADDR 0x1f000000 +#define EXTIF_UART (EXTIF_ADDR + 0x00800000) + +#define GPIO_TYPE_NORMAL (0x0 << 24) +#define GPIO_TYPE_EXTIF (0x1 << 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); @@ -74,5 +148,4 @@ static inline void gpio_set_extif(int gpio, int value) *addr; } - -#endif +#endif /* __DIAG_GPIO_H */ |