#include <linux/slab.h>
#include <linux/kfifo.h>
#include <linux/module.h>
#include <media/cx25840.h>
#include <media/rc-core.h>
#include "cx25840-core.h"

Data Structures
union	cx25840_ir_fifo_rec

struct	cx25840_ir_state

Macros
#define	CX25840_IR_REG_BASE 0x200

#define	CX25840_IR_CNTRL_REG 0x200

#define	CNTRL_WIN_3_3 0x00000000

#define	CNTRL_WIN_4_3 0x00000001

#define	CNTRL_WIN_3_4 0x00000002

#define	CNTRL_WIN_4_4 0x00000003

#define	CNTRL_WIN 0x00000003

#define	CNTRL_EDG_NONE 0x00000000

#define	CNTRL_EDG_FALL 0x00000004

#define	CNTRL_EDG_RISE 0x00000008

#define	CNTRL_EDG_BOTH 0x0000000C

#define	CNTRL_EDG 0x0000000C

#define	CNTRL_DMD 0x00000010

#define	CNTRL_MOD 0x00000020

#define	CNTRL_RFE 0x00000040

#define	CNTRL_TFE 0x00000080

#define	CNTRL_RXE 0x00000100

#define	CNTRL_TXE 0x00000200

#define	CNTRL_RIC 0x00000400

#define	CNTRL_TIC 0x00000800

#define	CNTRL_CPL 0x00001000

#define	CNTRL_LBM 0x00002000

#define	CNTRL_R 0x00004000

#define	CX25840_IR_TXCLK_REG 0x204

#define	TXCLK_TCD 0x0000FFFF

#define	CX25840_IR_RXCLK_REG 0x208

#define	RXCLK_RCD 0x0000FFFF

#define	CX25840_IR_CDUTY_REG 0x20C

#define	CDUTY_CDC 0x0000000F

#define	CX25840_IR_STATS_REG 0x210

#define	STATS_RTO 0x00000001

#define	STATS_ROR 0x00000002

#define	STATS_RBY 0x00000004

#define	STATS_TBY 0x00000008

#define	STATS_RSR 0x00000010

#define	STATS_TSR 0x00000020

#define	CX25840_IR_IRQEN_REG 0x214

#define	IRQEN_RTE 0x00000001

#define	IRQEN_ROE 0x00000002

#define	IRQEN_RSE 0x00000010

#define	IRQEN_TSE 0x00000020

#define	IRQEN_MSK 0x00000033

#define	CX25840_IR_FILTR_REG 0x218

#define	FILTR_LPF 0x0000FFFF

#define	CX25840_IR_FIFO_REG 0x23C

#define	FIFO_RXTX 0x0000FFFF

#define	FIFO_RXTX_LVL 0x00010000

#define	FIFO_RXTX_RTO 0x0001FFFF

#define	FIFO_RX_NDV 0x00020000

#define	FIFO_RX_DEPTH 8

#define	FIFO_TX_DEPTH 8

#define	CX25840_VIDCLK_FREQ 108000000 /* 108 MHz, BT.656 */

#define	CX25840_IR_REFCLK_FREQ (CX25840_VIDCLK_FREQ / 2)

#define	CX25840_IR_RX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec))

#define	CX25840_IR_TX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec))

Enumerations
enum	tx_fifo_watermark { TX_FIFO_HALF_EMPTY = 0, TX_FIFO_EMPTY = CNTRL_TIC, TX_FIFO_HALF_EMPTY = 0, TX_FIFO_EMPTY = CNTRL_TIC }

enum	rx_fifo_watermark { RX_FIFO_HALF_FULL = 0, RX_FIFO_NOT_EMPTY = CNTRL_RIC, RX_FIFO_HALF_FULL = 0, RX_FIFO_NOT_EMPTY = CNTRL_RIC }

Functions
	module_param (ir_debug, int, 0644)

	MODULE_PARM_DESC (ir_debug,"enable integrated IR debug messages")

int	cx25840_ir_irq_handler (struct v4l2_subdev sd, u32 status, bool handled)

int	cx25840_ir_log_status (struct v4l2_subdev *sd)

int	cx25840_ir_probe (struct v4l2_subdev *sd)

int	cx25840_ir_remove (struct v4l2_subdev *sd)

Variables
struct v4l2_subdev_ir_ops	cx25840_ir_ops

Macro Definition Documentation

#define CDUTY_CDC 0x0000000F

Definition at line 68 of file cx25840-ir.c.

#define CNTRL_CPL 0x00001000

Definition at line 57 of file cx25840-ir.c.

#define CNTRL_DMD 0x00000010

Definition at line 49 of file cx25840-ir.c.

#define CNTRL_EDG 0x0000000C

Definition at line 48 of file cx25840-ir.c.

#define CNTRL_EDG_BOTH 0x0000000C

Definition at line 47 of file cx25840-ir.c.

#define CNTRL_EDG_FALL 0x00000004

Definition at line 45 of file cx25840-ir.c.

#define CNTRL_EDG_NONE 0x00000000

Definition at line 44 of file cx25840-ir.c.

#define CNTRL_EDG_RISE 0x00000008

Definition at line 46 of file cx25840-ir.c.

#define CNTRL_LBM 0x00002000

Definition at line 58 of file cx25840-ir.c.

#define CNTRL_MOD 0x00000020

Definition at line 50 of file cx25840-ir.c.

#define CNTRL_R 0x00004000

Definition at line 59 of file cx25840-ir.c.

#define CNTRL_RFE 0x00000040

Definition at line 51 of file cx25840-ir.c.

#define CNTRL_RIC 0x00000400

Definition at line 55 of file cx25840-ir.c.

#define CNTRL_RXE 0x00000100

Definition at line 53 of file cx25840-ir.c.

#define CNTRL_TFE 0x00000080

Definition at line 52 of file cx25840-ir.c.

#define CNTRL_TIC 0x00000800

Definition at line 56 of file cx25840-ir.c.

#define CNTRL_TXE 0x00000200

Definition at line 54 of file cx25840-ir.c.

#define CNTRL_WIN 0x00000003

Definition at line 43 of file cx25840-ir.c.

#define CNTRL_WIN_3_3 0x00000000

Definition at line 39 of file cx25840-ir.c.

#define CNTRL_WIN_3_4 0x00000002

Definition at line 41 of file cx25840-ir.c.

#define CNTRL_WIN_4_3 0x00000001

Definition at line 40 of file cx25840-ir.c.

#define CNTRL_WIN_4_4 0x00000003

Definition at line 42 of file cx25840-ir.c.

#define CX25840_IR_CDUTY_REG 0x20C

Definition at line 67 of file cx25840-ir.c.

#define CX25840_IR_CNTRL_REG 0x200

Definition at line 38 of file cx25840-ir.c.

#define CX25840_IR_FIFO_REG 0x23C

Definition at line 88 of file cx25840-ir.c.

#define CX25840_IR_FILTR_REG 0x218

Definition at line 85 of file cx25840-ir.c.

#define CX25840_IR_IRQEN_REG 0x214

Definition at line 78 of file cx25840-ir.c.

#define CX25840_IR_REFCLK_FREQ (CX25840_VIDCLK_FREQ / 2)

Definition at line 97 of file cx25840-ir.c.

#define CX25840_IR_REG_BASE 0x200

Definition at line 36 of file cx25840-ir.c.

#define CX25840_IR_RX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec))

Definition at line 109 of file cx25840-ir.c.

#define CX25840_IR_RXCLK_REG 0x208

Definition at line 64 of file cx25840-ir.c.

#define CX25840_IR_STATS_REG 0x210

Definition at line 70 of file cx25840-ir.c.

#define CX25840_IR_TX_KFIFO_SIZE (256 * sizeof(union cx25840_ir_fifo_rec))

Definition at line 110 of file cx25840-ir.c.

#define CX25840_IR_TXCLK_REG 0x204

Definition at line 61 of file cx25840-ir.c.

#define CX25840_VIDCLK_FREQ 108000000 /* 108 MHz, BT.656 */

Definition at line 96 of file cx25840-ir.c.

#define FIFO_RX_DEPTH 8

Definition at line 93 of file cx25840-ir.c.

#define FIFO_RX_NDV 0x00020000

Definition at line 92 of file cx25840-ir.c.

FIFO_RXTX 0x0000FFFF

Definition at line 89 of file cx25840-ir.c.

#define FIFO_RXTX_LVL 0x00010000

Definition at line 90 of file cx25840-ir.c.

#define FIFO_RXTX_RTO 0x0001FFFF

Definition at line 91 of file cx25840-ir.c.

#define FIFO_TX_DEPTH 8

Definition at line 94 of file cx25840-ir.c.

#define FILTR_LPF 0x0000FFFF

Definition at line 86 of file cx25840-ir.c.

#define IRQEN_MSK 0x00000033

Definition at line 83 of file cx25840-ir.c.

#define IRQEN_ROE 0x00000002

Definition at line 80 of file cx25840-ir.c.

#define IRQEN_RSE 0x00000010

Definition at line 81 of file cx25840-ir.c.

#define IRQEN_RTE 0x00000001

Definition at line 79 of file cx25840-ir.c.

#define IRQEN_TSE 0x00000020

Definition at line 82 of file cx25840-ir.c.

#define RXCLK_RCD 0x0000FFFF

Definition at line 65 of file cx25840-ir.c.

#define STATS_RBY 0x00000004

Definition at line 73 of file cx25840-ir.c.

#define STATS_ROR 0x00000002

Definition at line 72 of file cx25840-ir.c.

#define STATS_RSR 0x00000010

Definition at line 75 of file cx25840-ir.c.

#define STATS_RTO 0x00000001

Definition at line 71 of file cx25840-ir.c.

#define STATS_TBY 0x00000008

Definition at line 74 of file cx25840-ir.c.

#define STATS_TSR 0x00000020

Definition at line 76 of file cx25840-ir.c.

#define TXCLK_TCD 0x0000FFFF

Definition at line 62 of file cx25840-ir.c.

Enumeration Type Documentation

enum rx_fifo_watermark

Enumerator:

RX_FIFO_HALF_FULL
RX_FIFO_NOT_EMPTY
RX_FIFO_HALF_FULL
RX_FIFO_NOT_EMPTY

Definition at line 339 of file cx25840-ir.c.

enum tx_fifo_watermark

Enumerator:

TX_FIFO_HALF_EMPTY
TX_FIFO_EMPTY
TX_FIFO_HALF_EMPTY
TX_FIFO_EMPTY

Definition at line 334 of file cx25840-ir.c.

Function Documentation

int cx25840_ir_irq_handler	(	struct v4l2_subdev *	sd,
		u32	status,
		bool *	handled
	)

Definition at line 522 of file cx25840-ir.c.

int cx25840_ir_log_status ( struct v4l2_subdev * sd )

Definition at line 1038 of file cx25840-ir.c.

int cx25840_ir_probe ( struct v4l2_subdev * sd )

Definition at line 1223 of file cx25840-ir.c.

int cx25840_ir_remove ( struct v4l2_subdev * sd )

Definition at line 1266 of file cx25840-ir.c.

module_param	(	ir_debug	,
		int	,
		0644
	)

MODULE_PARM_DESC	(	ir_debug	,
		"enable integrated IR debug messages"
	)

Variable Documentation

struct v4l2_subdev_ir_ops cx25840_ir_ops

Initial value:

= {
    .rx_read = cx25840_ir_rx_read,
    .rx_g_parameters = cx25840_ir_rx_g_parameters,
    .rx_s_parameters = cx25840_ir_rx_s_parameters,
    .tx_write = cx25840_ir_tx_write,
    .tx_g_parameters = cx25840_ir_tx_g_parameters,
    .tx_s_parameters = cx25840_ir_tx_s_parameters,
}

Definition at line 1178 of file cx25840-ir.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation