diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/cec-pin.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/include/media/cec-pin.h b/include/media/cec-pin.h index ea84b9c9e0c3..83b3e17e0a07 100644 --- a/include/media/cec-pin.h +++ b/include/media/cec-pin.h @@ -21,71 +21,8 @@ #define LINUX_CEC_PIN_H #include <linux/types.h> -#include <linux/atomic.h> #include <media/cec.h> -enum cec_pin_state { - /* CEC is off */ - CEC_ST_OFF, - /* CEC is idle, waiting for Rx or Tx */ - CEC_ST_IDLE, - - /* Tx states */ - - /* Pending Tx, waiting for Signal Free Time to expire */ - CEC_ST_TX_WAIT, - /* Low-drive was detected, wait for bus to go high */ - CEC_ST_TX_WAIT_FOR_HIGH, - /* Drive CEC low for the start bit */ - CEC_ST_TX_START_BIT_LOW, - /* Drive CEC high for the start bit */ - CEC_ST_TX_START_BIT_HIGH, - /* Drive CEC low for the 0 bit */ - CEC_ST_TX_DATA_BIT_0_LOW, - /* Drive CEC high for the 0 bit */ - CEC_ST_TX_DATA_BIT_0_HIGH, - /* Drive CEC low for the 1 bit */ - CEC_ST_TX_DATA_BIT_1_LOW, - /* Drive CEC high for the 1 bit */ - CEC_ST_TX_DATA_BIT_1_HIGH, - /* - * Wait for start of sample time to check for Ack bit or first - * four initiator bits to check for Arbitration Lost. - */ - CEC_ST_TX_DATA_BIT_1_HIGH_PRE_SAMPLE, - /* Wait for end of bit period after sampling */ - CEC_ST_TX_DATA_BIT_1_HIGH_POST_SAMPLE, - - /* Rx states */ - - /* Start bit low detected */ - CEC_ST_RX_START_BIT_LOW, - /* Start bit high detected */ - CEC_ST_RX_START_BIT_HIGH, - /* Wait for bit sample time */ - CEC_ST_RX_DATA_SAMPLE, - /* Wait for earliest end of bit period after sampling */ - CEC_ST_RX_DATA_POST_SAMPLE, - /* Wait for CEC to go high (i.e. end of bit period */ - CEC_ST_RX_DATA_HIGH, - /* Drive CEC low to send 0 Ack bit */ - CEC_ST_RX_ACK_LOW, - /* End of 0 Ack time, wait for earliest end of bit period */ - CEC_ST_RX_ACK_LOW_POST, - /* Wait for CEC to go high (i.e. end of bit period */ - CEC_ST_RX_ACK_HIGH_POST, - /* Wait for earliest end of bit period and end of message */ - CEC_ST_RX_ACK_FINISH, - - /* Start low drive */ - CEC_ST_LOW_DRIVE, - /* Monitor pin using interrupts */ - CEC_ST_RX_IRQ, - - /* Total number of pin states */ - CEC_PIN_STATES -}; - /** * struct cec_pin_ops - low-level CEC pin operations * @read: read the CEC pin. Return true if high, false if low. @@ -115,50 +52,6 @@ struct cec_pin_ops { int (*read_hpd)(struct cec_adapter *adap); }; -#define CEC_NUM_PIN_EVENTS 128 - -#define CEC_PIN_IRQ_UNCHANGED 0 -#define CEC_PIN_IRQ_DISABLE 1 -#define CEC_PIN_IRQ_ENABLE 2 - -struct cec_pin { - struct cec_adapter *adap; - const struct cec_pin_ops *ops; - struct task_struct *kthread; - wait_queue_head_t kthread_waitq; - struct hrtimer timer; - ktime_t ts; - unsigned int wait_usecs; - u16 la_mask; - bool enabled; - bool monitor_all; - bool rx_eom; - bool enable_irq_failed; - enum cec_pin_state state; - struct cec_msg tx_msg; - u32 tx_bit; - bool tx_nacked; - u32 tx_signal_free_time; - struct cec_msg rx_msg; - u32 rx_bit; - - struct cec_msg work_rx_msg; - u8 work_tx_status; - ktime_t work_tx_ts; - atomic_t work_irq_change; - atomic_t work_pin_events; - unsigned int work_pin_events_wr; - unsigned int work_pin_events_rd; - ktime_t work_pin_ts[CEC_NUM_PIN_EVENTS]; - bool work_pin_is_high[CEC_NUM_PIN_EVENTS]; - ktime_t timer_ts; - u32 timer_cnt; - u32 timer_100ms_overruns; - u32 timer_300ms_overruns; - u32 timer_max_overrun; - u32 timer_sum_overrun; -}; - /** * cec_pin_changed() - update pin state from interrupt * |