diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index de10de8370d..052a9c4ebb9 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -237,6 +237,7 @@ enum ath9k_int { ATH9K_INT_GPIO = 0x01000000, ATH9K_INT_CABEND = 0x02000000, ATH9K_INT_TSFOOR = 0x04000000, + ATH9K_INT_GENTIMER = 0x08000000, ATH9K_INT_CST = 0x10000000, ATH9K_INT_GTT = 0x20000000, ATH9K_INT_FATAL = 0x40000000, @@ -390,6 +391,41 @@ struct ath9k_hw_version { u16 analog2GhzRev; }; +/* Generic TSF timer definitions */ + +#define ATH_MAX_GEN_TIMER 16 + +#define AR_GENTMR_BIT(_index) (1 << (_index)) + +/* + * Using de Bruijin sequence to to look up 1's index in a 32 bit number + * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001 + */ +#define debruijn32 0x077CB531UL + +struct ath_gen_timer_configuration { + u32 next_addr; + u32 period_addr; + u32 mode_addr; + u32 mode_mask; +}; + +struct ath_gen_timer { + void (*trigger)(void *arg); + void (*overflow)(void *arg); + void *arg; + u8 index; +}; + +struct ath_gen_timer_table { + u32 gen_timer_index[32]; + struct ath_gen_timer *timers[ATH_MAX_GEN_TIMER]; + union { + unsigned long timer_bits; + u16 val; + } timer_mask; +}; + struct ath_hw { struct ath_softc *ah_sc; struct ath9k_hw_version hw_version; @@ -536,6 +572,10 @@ struct ath_hw { struct ar5416IniArray iniModesAdditional; struct ar5416IniArray iniModesRxGain; struct ar5416IniArray iniModesTxGain; + + u32 intr_gen_timer_trigger; + u32 intr_gen_timer_thresh; + struct ath_gen_timer_table hw_gen_timers; }; /* Initialization, Detach, Reset */ @@ -611,4 +651,16 @@ bool ath9k_hw_intrpend(struct ath_hw *ah); bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked); enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints); +/* Generic hw timer primitives */ +struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, + void (*trigger)(void *), + void (*overflow)(void *), + void *arg, + u8 timer_index); +void ath_gen_timer_start(struct ath_hw *ah, struct ath_gen_timer *timer, + u32 timer_next, u32 timer_period); +void ath_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer); +void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer); +void ath_gen_timer_isr(struct ath_hw *hw); + #endif |