davinci_cpdma.h File Reference

Go to the source code of this file.

Data Structures
struct	cpdma_params
struct	cpdma_chan_stats

Macros
#define	CPDMA_MAX_CHANNELS   BITS_PER_LONG
#define	tx_chan_num(chan)   (chan)
#define	rx_chan_num(chan)   ((chan) + CPDMA_MAX_CHANNELS)
#define	is_rx_chan(chan)   ((chan)->chan_num >= CPDMA_MAX_CHANNELS)
#define	is_tx_chan(chan)   (!is_rx_chan(chan))
#define	__chan_linear(chan_num)   ((chan_num) & (CPDMA_MAX_CHANNELS - 1))
#define	chan_linear(chan)   __chan_linear((chan)->chan_num)

Typedefs
typedef void(*	cpdma_handler_fn )(void *token, int len, int status)

Enumerations
enum	cpdma_control {   CPDMA_CMD_IDLE, CPDMA_COPY_ERROR_FRAMES, CPDMA_RX_OFF_LEN_UPDATE, CPDMA_RX_OWNERSHIP_FLIP,   CPDMA_TX_PRIO_FIXED, CPDMA_STAT_IDLE, CPDMA_STAT_TX_ERR_CHAN, CPDMA_STAT_TX_ERR_CODE,   CPDMA_STAT_RX_ERR_CHAN, CPDMA_STAT_RX_ERR_CODE, CPDMA_RX_BUFFER_OFFSET }

Functions
struct cpdma_ctlr *	cpdma_ctlr_create (struct cpdma_params *params)
int	cpdma_ctlr_destroy (struct cpdma_ctlr *ctlr)
int	cpdma_ctlr_start (struct cpdma_ctlr *ctlr)
int	cpdma_ctlr_stop (struct cpdma_ctlr *ctlr)
int	cpdma_ctlr_dump (struct cpdma_ctlr *ctlr)
struct cpdma_chan *	cpdma_chan_create (struct cpdma_ctlr *ctlr, int chan_num, cpdma_handler_fn handler)
int	cpdma_chan_destroy (struct cpdma_chan *chan)
int	cpdma_chan_start (struct cpdma_chan *chan)
int	cpdma_chan_stop (struct cpdma_chan *chan)
int	cpdma_chan_dump (struct cpdma_chan *chan)
int	cpdma_chan_get_stats (struct cpdma_chan *chan, struct cpdma_chan_stats *stats)
int	cpdma_chan_submit (struct cpdma_chan *chan, void *token, void *data, int len, gfp_t gfp_mask)
int	cpdma_chan_process (struct cpdma_chan *chan, int quota)
int	cpdma_ctlr_int_ctrl (struct cpdma_ctlr *ctlr, bool enable)
void	cpdma_ctlr_eoi (struct cpdma_ctlr *ctlr)
int	cpdma_chan_int_ctrl (struct cpdma_chan *chan, bool enable)
int	cpdma_control_get (struct cpdma_ctlr *ctlr, int control)
int	cpdma_control_set (struct cpdma_ctlr *ctlr, int control, int value)

Macro Definition Documentation

#define __chan_linear

(

chan_num

)

((chan_num) & (CPDMA_MAX_CHANNELS - 1))

Definition at line 24 of file davinci_cpdma.h.

#define chan_linear

(

chan

)

__chan_linear((chan)->chan_num)

Definition at line 25 of file davinci_cpdma.h.

#define CPDMA_MAX_CHANNELS   BITS_PER_LONG

Definition at line 18 of file davinci_cpdma.h.

#define is_rx_chan

(

chan

)

((chan)->chan_num >= CPDMA_MAX_CHANNELS)

Definition at line 22 of file davinci_cpdma.h.

#define is_tx_chan

(

chan

)

(!is_rx_chan(chan))

Definition at line 23 of file davinci_cpdma.h.

#define rx_chan_num

(

chan

)

((chan) + CPDMA_MAX_CHANNELS)

Definition at line 21 of file davinci_cpdma.h.

#define tx_chan_num

(

chan

)

(chan)

Definition at line 20 of file davinci_cpdma.h.

Typedef Documentation

typedef void(* cpdma_handler_fn)(void *token, int len, int status)

Definition at line 67 of file davinci_cpdma.h.

Enumeration Type Documentation

enum cpdma_control

Enumerator:

CPDMA_CMD_IDLE
CPDMA_COPY_ERROR_FRAMES
CPDMA_RX_OFF_LEN_UPDATE
CPDMA_RX_OWNERSHIP_FLIP
CPDMA_TX_PRIO_FIXED
CPDMA_STAT_IDLE
CPDMA_STAT_TX_ERR_CHAN
CPDMA_STAT_TX_ERR_CODE
CPDMA_STAT_RX_ERR_CHAN
CPDMA_STAT_RX_ERR_CODE
CPDMA_RX_BUFFER_OFFSET

Definition at line 92 of file davinci_cpdma.h.

Function Documentation

struct cpdma_chan* cpdma_chan_create ( struct cpdma_ctlr *  ctlr, int  chan_num, cpdma_handler_fn  handler  )

read

Definition at line 482 of file davinci_cpdma.c.

int cpdma_chan_destroy

(

struct cpdma_chan *

chan

)

Definition at line 539 of file davinci_cpdma.c.

int cpdma_chan_dump

(

struct cpdma_chan *

chan

)

Definition at line 570 of file davinci_cpdma.c.

int cpdma_chan_get_stats	(	struct cpdma_chan *	chan,
		struct cpdma_chan_stats *	stats
	)

Definition at line 558 of file davinci_cpdma.c.

int cpdma_chan_int_ctrl	(	struct cpdma_chan *	chan,
		bool	enable
	)

Definition at line 881 of file davinci_cpdma.c.

int cpdma_chan_process	(	struct cpdma_chan *	chan,
		int	quota
	)

Definition at line 774 of file davinci_cpdma.c.

int cpdma_chan_start

(

struct cpdma_chan *

chan

)

Definition at line 791 of file davinci_cpdma.c.

int cpdma_chan_stop

(

struct cpdma_chan *

chan

)

Definition at line 819 of file davinci_cpdma.c.

int cpdma_chan_submit	(	struct cpdma_chan *	chan,
		void *	token,
		void *	data,
		int	len,
		gfp_t	gfp_mask
	)

Definition at line 654 of file davinci_cpdma.c.

int cpdma_control_get	(	struct cpdma_ctlr *	ctlr,
		int	control
	)

Definition at line 921 of file davinci_cpdma.c.

int cpdma_control_set	(	struct cpdma_ctlr *	ctlr,
		int	control,
		int	value
	)

Definition at line 952 of file davinci_cpdma.c.

struct cpdma_ctlr* cpdma_ctlr_create ( struct cpdma_params *  params )

read

Definition at line 253 of file davinci_cpdma.c.

int cpdma_ctlr_destroy

(

struct cpdma_ctlr *

ctlr

)

Definition at line 430 of file davinci_cpdma.c.

int cpdma_ctlr_dump

(

struct cpdma_ctlr *

ctlr

)

Definition at line 359 of file davinci_cpdma.c.

void cpdma_ctlr_eoi

(

struct cpdma_ctlr *

ctlr

)

Definition at line 477 of file davinci_cpdma.c.

int cpdma_ctlr_int_ctrl	(	struct cpdma_ctlr *	ctlr,
		bool	enable
	)

Definition at line 454 of file davinci_cpdma.c.

int cpdma_ctlr_start

(

struct cpdma_ctlr *

ctlr

)

Definition at line 282 of file davinci_cpdma.c.

int cpdma_ctlr_stop

(

struct cpdma_ctlr *

ctlr

)

Definition at line 328 of file davinci_cpdma.c.