pt3_dma.h

/*******************************************************************************
   earthsoft PT3 Linux driver

   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
   version 3, as published by the Free Software Foundation.

   This program is distributed in the hope it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   more details.

   The full GNU General Public License is included in this distribution in
   the file called "COPYING".

 *******************************************************************************/

#ifndef _H_PT3_DMA
#define _H_PT3_DMA

#include "pt3_com.h"
#include "pt3_bus.h"
#include "pt3_i2c.h"


typedef struct _PT3_DMA_PAGE {
	dma_addr_t addr;
	__u8 *data;
	__u32 size;
	__u32 data_pos;
#if defined(__FreeBSD__)
        bus_dmamap_t map;
        uint32_t *pa;
        void *va;
#endif

} PT3_DMA_PAGE;

typedef struct __PT3_DMA {
	PT3_I2C *i2c;
	int real_index;
	int enabled;
	__u32 desc_count;
	PT3_DMA_PAGE *desc_info;
	__u32 ts_count;
	PT3_DMA_PAGE *ts_info;
	__u32 ts_pos;
#if defined(__FreeBSD__)
	struct mtx lock;
#else
	struct mutex lock;
#endif
} PT3_DMA;

void pt3_dma_build_page_descriptor(PT3_DMA *dma, int loop);
void pt3_dma_set_test_mode(PT3_DMA *dma, int test, __u16 init, int not, int reset);
void pt3_dma_set_enabled(PT3_DMA *dma, int enabled);
#if defined(__FreeBSD__)
ssize_t pt3_dma_copy(PT3_DMA *dma, struct uio *uio,size_t size, int look_ready);
#else
ssize_t pt3_dma_copy(PT3_DMA *dma, char __user *buf, size_t size, loff_t *ppos, int look_ready);
#endif
int pt3_dma_ready(PT3_DMA *dma);
void pt3_dma_reset(PT3_DMA *dma);
__u32 pt3_dma_get_status(PT3_DMA *dma);
__u32 pt3_dma_get_ts_error_packet_count(PT3_DMA *dma);
#if defined(__FreeBSD__)
PT3_DMA * create_pt3_dma(void *scp, PT3_I2C *i2c, int tuner_no);
void free_pt3_dma(void *scp, PT3_DMA *dma);
#else
PT3_DMA * create_pt3_dma(struct pci_dev *hwdev, PT3_I2C *i2c, int tuner_no);
void free_pt3_dma(struct pci_dev *hwdev, PT3_DMA *dma);
#endif
#endif