diff options
Diffstat (limited to 'include/asm-cris/arch-v32')
| -rw-r--r-- | include/asm-cris/arch-v32/io.h | 70 |
1 files changed, 55 insertions, 15 deletions
diff --git a/include/asm-cris/arch-v32/io.h b/include/asm-cris/arch-v32/io.h index 5efe4d94900..65a287953f5 100644 --- a/include/asm-cris/arch-v32/io.h +++ b/include/asm-cris/arch-v32/io.h @@ -1,9 +1,10 @@ #ifndef _ASM_ARCH_CRIS_IO_H #define _ASM_ARCH_CRIS_IO_H -#include <asm/arch/hwregs/reg_map.h> -#include <asm/arch/hwregs/reg_rdwr.h> -#include <asm/arch/hwregs/gio_defs.h> +#include <linux/spinlock.h> +#include <hwregs/reg_map.h> +#include <hwregs/reg_rdwr.h> +#include <hwregs/gio_defs.h> enum crisv32_io_dir { @@ -13,10 +14,11 @@ enum crisv32_io_dir struct crisv32_ioport { - unsigned long* oe; - unsigned long* data; - unsigned long* data_in; + volatile unsigned long *oe; + volatile unsigned long *data; + volatile unsigned long *data_in; unsigned int pin_count; + spinlock_t lock; }; struct crisv32_iopin @@ -34,22 +36,37 @@ extern struct crisv32_iopin crisv32_led2_red; extern struct crisv32_iopin crisv32_led3_green; extern struct crisv32_iopin crisv32_led3_red; +extern struct crisv32_iopin crisv32_led_net0_green; +extern struct crisv32_iopin crisv32_led_net0_red; +extern struct crisv32_iopin crisv32_led_net1_green; +extern struct crisv32_iopin crisv32_led_net1_red; + static inline void crisv32_io_set(struct crisv32_iopin* iopin, int val) { + long flags; + spin_lock_irqsave(&iopin->port->lock, flags); + if (val) *iopin->port->data |= iopin->bit; else *iopin->port->data &= ~iopin->bit; + + spin_unlock_irqrestore(&iopin->port->lock, flags); } static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin, enum crisv32_io_dir dir) { + long flags; + spin_lock_irqsave(&iopin->port->lock, flags); + if (dir == crisv32_io_dir_in) *iopin->port->oe &= ~iopin->bit; else *iopin->port->oe |= iopin->bit; + + spin_unlock_irqrestore(&iopin->port->lock, flags); } static inline int crisv32_io_rd(struct crisv32_iopin* iopin) @@ -60,28 +77,51 @@ static inline int crisv32_io_rd(struct crisv32_iopin* iopin) int crisv32_io_get(struct crisv32_iopin* iopin, unsigned int port, unsigned int pin); int crisv32_io_get_name(struct crisv32_iopin* iopin, - char* name); + const char *name); #define LED_OFF 0x00 #define LED_GREEN 0x01 #define LED_RED 0x02 #define LED_ORANGE (LED_GREEN | LED_RED) -#define LED_NETWORK_SET(x) \ - do { \ - LED_NETWORK_SET_G((x) & LED_GREEN); \ - LED_NETWORK_SET_R((x) & LED_RED); \ +#if (defined(CONFIG_ETRAX_NBR_LED_GRP_ONE) || defined(CONFIG_ETRAX_NBR_LED_GRP_TWO)) +#define LED_NETWORK_GRP0_SET(x) \ + do { \ + LED_NETWORK_GRP0_SET_G((x) & LED_GREEN); \ + LED_NETWORK_GRP0_SET_R((x) & LED_RED); \ } while (0) +#else +#define LED_NETWORK_GRP0_SET(x) while (0) {} +#endif + +#define LED_NETWORK_GRP0_SET_G(x) \ + crisv32_io_set(&crisv32_led_net0_green, !(x)); + +#define LED_NETWORK_GRP0_SET_R(x) \ + crisv32_io_set(&crisv32_led_net0_red, !(x)); + +#if defined(CONFIG_ETRAX_NBR_LED_GRP_TWO) +#define LED_NETWORK_GRP1_SET(x) \ + do { \ + LED_NETWORK_GRP1_SET_G((x) & LED_GREEN); \ + LED_NETWORK_GRP1_SET_R((x) & LED_RED); \ + } while (0) +#else +#define LED_NETWORK_GRP1_SET(x) while (0) {} +#endif + +#define LED_NETWORK_GRP1_SET_G(x) \ + crisv32_io_set(&crisv32_led_net1_green, !(x)); + +#define LED_NETWORK_GRP1_SET_R(x) \ + crisv32_io_set(&crisv32_led_net1_red, !(x)); + #define LED_ACTIVE_SET(x) \ do { \ LED_ACTIVE_SET_G((x) & LED_GREEN); \ LED_ACTIVE_SET_R((x) & LED_RED); \ } while (0) -#define LED_NETWORK_SET_G(x) \ - crisv32_io_set(&crisv32_led1_green, !(x)); -#define LED_NETWORK_SET_R(x) \ - crisv32_io_set(&crisv32_led1_red, !(x)); #define LED_ACTIVE_SET_G(x) \ crisv32_io_set(&crisv32_led2_green, !(x)); #define LED_ACTIVE_SET_R(x) \ |