linux/drivers/media/video/mxc/capture/ipu_csi_enc.c File Reference

CSI Use case for video capture. More...

Functions
static irqreturn_t	csi_enc_callback (int irq, void *dev_id)
static int	csi_enc_setup (cam_data *cam)
static int	csi_enc_eba_update (struct ipu_soc *ipu, dma_addr_t eba, int *buffer_num)
static int	csi_enc_enabling_tasks (void *private)
static int	csi_enc_disabling_tasks (void *private)
static int	csi_enc_enable_csi (void *private)
static int	csi_enc_disable_csi (void *private)
int	csi_enc_select (void *private)
int	csi_enc_deselect (void *private)
__init int	csi_enc_init (void)
void __exit	csi_enc_exit (void)

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Detailed Description

CSI Use case for video capture.

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Function Documentation

static irqreturn_t csi_enc_callback	(	int	irq,
		void *	dev_id
	)			[static]

csi ENC callback function.

Parameters:

	irq	int irq line
	dev_id	void * device id

Returns:

status IRQ_HANDLED for handled

References IRQ_HANDLED.

Referenced by csi_enc_enabling_tasks().

int csi_enc_deselect

(

void *

private

)

function to de-select CSI ENC as the working path

Parameters:

private

struct cam_data * mxc capture instance

Returns:

int

Referenced by mxc_v4l_close().

static int csi_enc_disable_csi

(

void *

private

)

[static]

Disable csi

Parameters:

private

struct cam_data * mxc capture instance

Returns:

status

Referenced by csi_enc_select().

static int csi_enc_disabling_tasks

(

void *

private

)

[static]

Disable encoder task

Parameters:

private

struct cam_data * mxc capture instance

Returns:

int

Referenced by csi_enc_select().

static int csi_enc_eba_update	(	struct ipu_soc *	ipu,
		dma_addr_t	eba,
		int *	buffer_num
	)			[static]

function to update physical buffer address for encorder IDMA channel

Parameters:

	eba	physical buffer address for encorder IDMA channel
	buffer_num	int buffer 0 or buffer 1

Returns:

status

Referenced by csi_enc_select().

static int csi_enc_enable_csi

(

void *

private

)

[static]

Enable csi

Parameters:

private

struct cam_data * mxc capture instance

Returns:

status

Referenced by csi_enc_select().

static int csi_enc_enabling_tasks

(

void *

private

)

[static]

Enable encoder task

Parameters:

private

struct cam_data * mxc capture instance

Returns:

status

References csi_enc_callback(), and csi_enc_setup().

Referenced by csi_enc_select().

void __exit csi_enc_exit

(

void

)

Deinit the Encorder channels

__init int csi_enc_init

(

void

)

Init the Encorder channels

Returns:

Error code indicating success or failure

int csi_enc_select

(

void *

private

)

function to select CSI ENC as the working path

Parameters:

private

struct cam_data * mxc capture instance

Returns:

int

References csi_enc_disable_csi(), csi_enc_disabling_tasks(), csi_enc_eba_update(), csi_enc_enable_csi(), and csi_enc_enabling_tasks().

Referenced by mxc_v4l_do_ioctl(), and mxc_v4l_open().

static int csi_enc_setup

(

cam_data *

cam

)

[static]

CSI ENC enable channel setup function

Parameters:

cam

struct cam_data * mxc capture instance

Returns:

status

References ipu_csi_get_sensor_protocol().

Referenced by csi_enc_enabling_tasks().