mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 22:51:42 +00:00
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>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
e69b987a97
commit
5bf24e08b6
@ -32,6 +32,7 @@
|
||||
|
||||
#include <media/cec-pin.h>
|
||||
#include "cec-priv.h"
|
||||
#include "cec-pin-priv.h"
|
||||
|
||||
static inline struct cec_devnode *cec_devnode_data(struct file *filp)
|
||||
{
|
||||
|
||||
133
drivers/media/cec/cec-pin-priv.h
Normal file
133
drivers/media/cec/cec-pin-priv.h
Normal file
@ -0,0 +1,133 @@
|
||||
/*
|
||||
* cec-pin-priv.h - internal cec-pin header
|
||||
*
|
||||
* Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
|
||||
*
|
||||
* This program is free software; you may redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
|
||||
#ifndef LINUX_CEC_PIN_PRIV_H
|
||||
#define LINUX_CEC_PIN_PRIV_H
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/atomic.h>
|
||||
#include <media/cec-pin.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
|
||||
};
|
||||
|
||||
#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;
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -20,6 +20,7 @@
|
||||
#include <linux/sched/types.h>
|
||||
|
||||
#include <media/cec-pin.h>
|
||||
#include "cec-pin-priv.h"
|
||||
|
||||
/* All timings are in microseconds */
|
||||
|
||||
|
||||
@ -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
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user