mantis_dma.c File Reference

#include <linux/kernel.h>
#include <asm/page.h>
#include <linux/vmalloc.h>
#include <linux/pci.h>
#include <asm/irq.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "mantis_common.h"
#include "mantis_reg.h"
#include "mantis_dma.h"

Go to the source code of this file.

Macros
#define	RISC_WRITE   (0x01 << 28)
#define	RISC_JUMP   (0x07 << 28)
#define	RISC_IRQ   (0x01 << 24)
#define	RISC_STATUS(status)   ((((~status) & 0x0f) << 20) | ((status & 0x0f) << 16))
#define	RISC_FLUSH(risc_pos)   (risc_pos = 0)
#define	RISC_INSTR(risc_pos, opcode)   (mantis->risc_cpu[risc_pos++] = cpu_to_le32(opcode))
#define	MANTIS_BUF_SIZE   (64 * 1024)
#define	MANTIS_BLOCK_BYTES   (MANTIS_BUF_SIZE / 4)
#define	MANTIS_DMA_TR_BYTES   (2 * 1024) /* upper limit: 4095 bytes. */
#define	MANTIS_BLOCK_COUNT   (MANTIS_BUF_SIZE / MANTIS_BLOCK_BYTES)
#define	MANTIS_DMA_TR_UNITS   (MANTIS_BLOCK_BYTES / MANTIS_DMA_TR_BYTES)
#define	MANTIS_RISC_SIZE   PAGE_SIZE /* RISC program must fit here. */

Functions
int	mantis_dma_exit (struct mantis_pci *mantis)
	EXPORT_SYMBOL_GPL (mantis_dma_exit)
int	mantis_dma_init (struct mantis_pci *mantis)
	EXPORT_SYMBOL_GPL (mantis_dma_init)
void	mantis_dma_start (struct mantis_pci *mantis)
void	mantis_dma_stop (struct mantis_pci *mantis)
void	mantis_dma_xfer (unsigned long data)

Macro Definition Documentation

#define MANTIS_BLOCK_BYTES   (MANTIS_BUF_SIZE / 4)

Definition at line 50 of file mantis_dma.c.

#define MANTIS_BLOCK_COUNT   (MANTIS_BUF_SIZE / MANTIS_BLOCK_BYTES)

Definition at line 52 of file mantis_dma.c.

#define MANTIS_BUF_SIZE   (64 * 1024)

Definition at line 49 of file mantis_dma.c.

#define MANTIS_DMA_TR_BYTES   (2 * 1024) /* upper limit: 4095 bytes. */

Definition at line 51 of file mantis_dma.c.

#define MANTIS_DMA_TR_UNITS   (MANTIS_BLOCK_BYTES / MANTIS_DMA_TR_BYTES)

Definition at line 54 of file mantis_dma.c.

#define MANTIS_RISC_SIZE   PAGE_SIZE /* RISC program must fit here. */

Definition at line 56 of file mantis_dma.c.

#define RISC_FLUSH

(

risc_pos

)

(risc_pos = 0)

Definition at line 46 of file mantis_dma.c.

#define RISC_INSTR	(		risc_pos,
			opcode
	)		(mantis->risc_cpu[risc_pos++] = cpu_to_le32(opcode))

Definition at line 47 of file mantis_dma.c.

#define RISC_IRQ   (0x01 << 24)

Definition at line 43 of file mantis_dma.c.

#define RISC_JUMP   (0x07 << 28)

Definition at line 42 of file mantis_dma.c.

#define RISC_STATUS

(

status

)

((((~status) & 0x0f) << 20) | ((status & 0x0f) << 16))

Definition at line 45 of file mantis_dma.c.

#define RISC_WRITE   (0x01 << 28)

Definition at line 41 of file mantis_dma.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

mantis_dma_exit

)

EXPORT_SYMBOL_GPL

(

mantis_dma_init

)

int mantis_dma_exit

(

struct mantis_pci *

mantis

)

Definition at line 58 of file mantis_dma.c.

int mantis_dma_init

(

struct mantis_pci *

mantis

)

Definition at line 131 of file mantis_dma.c.

void mantis_dma_start

(

struct mantis_pci *

mantis

)

Definition at line 182 of file mantis_dma.c.

void mantis_dma_stop

(

struct mantis_pci *

mantis

)

Definition at line 200 of file mantis_dma.c.

void mantis_dma_xfer

(

unsigned long

data

)

Definition at line 217 of file mantis_dma.c.