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authorHans Verkuil <hansverk@cisco.com>2017-10-13 18:01:32 +0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2017-10-27 14:02:19 +0200
commit5bf24e08b685d862f1249987a6d3423b42989622 (patch)
tree22d587cd559685bf813da61873cc38e7716fe701 /include/media/cec-pin.h
parente69b987a97599456b95b5fef4aca8dcdb1505aea (diff)
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media: cec-pin.h: move non-kAPI parts into cec-pin-priv.h
The kAPI cec-pin.h header also defined data structures that did not belong here but were private to the CEC core code. Split that part off into a cec-pin-priv.h header. Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media/cec-pin.h')
-rw-r--r--include/media/cec-pin.h107
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
*