cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/pci/bt8xx/bt878.h

/*
    bt878.h - Bt878 audio module (register offsets)

    Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that 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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef _BT878_H_

#define _BT878_H_

#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>

#include "bt848.h"
#include "bttv.h"


#define BT878_VERSION_CODE 0x000000


#define BT878_AINT_STAT		0x100

#define BT878_ARISCS		(0xf<<28)

#define BT878_ARISC_EN		(1<<27)

#define BT878_ASCERR		(1<<19)

#define BT878_AOCERR		(1<<18)

#define BT878_APABORT		(1<<17)

#define BT878_ARIPERR		(1<<16)

#define BT878_APPERR		(1<<15)

#define BT878_AFDSR		(1<<14)

#define BT878_AFTRGT		(1<<13)

#define BT878_AFBUS		(1<<12)

#define BT878_ARISCI		(1<<11)

#define BT878_AOFLOW		(1<<3)


#define BT878_AINT_MASK		0x104


#define BT878_AGPIO_DMA_CTL	0x10c

#define BT878_A_GAIN		(0xf<<28)

#define BT878_A_G2X		(1<<27)

#define BT878_A_PWRDN		(1<<26)

#define BT878_A_SEL		(3<<24)

#define BT878_DA_SCE		(1<<23)

#define BT878_DA_LRI		(1<<22)

#define BT878_DA_MLB		(1<<21)

#define BT878_DA_LRD		(0x1f<<16)

#define BT878_DA_DPM		(1<<15)

#define BT878_DA_SBR		(1<<14)

#define BT878_DA_ES2		(1<<13)

#define BT878_DA_LMT		(1<<12)

#define BT878_DA_SDR		(0xf<<8)

#define BT878_DA_IOM		(3<<6)

#define BT878_DA_APP		(1<<5)

#define BT878_ACAP_EN		(1<<4)

#define BT878_PKTP		(3<<2)

#define BT878_RISC_EN		(1<<1)

#define BT878_FIFO_EN		1


#define BT878_APACK_LEN		0x110

#define BT878_AFP_LEN		(0xff<<16)

#define BT878_ALP_LEN		0xfff


#define BT878_ARISC_START	0x114


#define BT878_ARISC_PC		0x120

/* BT878 FUNCTION 0 REGISTERS */

#define BT878_GPIO_DMA_CTL	0x10c

/* Interrupt register */

#define BT878_INT_STAT		0x100

#define BT878_INT_MASK		0x104

#define BT878_I2CRACK		(1<<25)

#define BT878_I2CDONE		(1<<8)


#define BT878_MAX 4


#define BT878_RISC_SYNC_MASK	(1 << 15)



#define BTTV_BOARD_UNKNOWN                 0x00

#define BTTV_BOARD_PINNACLESAT             0x5e

#define BTTV_BOARD_NEBULA_DIGITV           0x68

#define BTTV_BOARD_PC_HDTV                 0x70

#define BTTV_BOARD_TWINHAN_DST             0x71

#define BTTV_BOARD_AVDVBT_771              0x7b

#define BTTV_BOARD_AVDVBT_761              0x7c

#define BTTV_BOARD_DVICO_DVBT_LITE         0x80

#define BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE 0x87

extern int bt878_num;


struct bt878 {
	
struct mutex gpio_lock;
	
unsigned int nr;
	
unsigned int bttv_nr;
	
struct i2c_adapter *adapter;
	
struct pci_dev *dev;
	
unsigned int id;
	
unsigned int TS_Size;
	
unsigned char revision;
	
unsigned int irq;
	
unsigned long bt878_adr;
	
volatile void __iomem *bt878_mem; /* function 1 */

	
volatile u32 finished_block;
	
volatile u32 last_block;
	
u32 block_count;
	
u32 block_bytes;
	
u32 line_bytes;
	
u32 line_count;

	
u32 buf_size;
	
u8 *buf_cpu;
	
dma_addr_t buf_dma;

	
u32 risc_size;
	
__le32 *risc_cpu;
	
dma_addr_t risc_dma;
	
u32 risc_pos;

	
struct tasklet_struct tasklet;
	
int shutdown;
};

extern struct bt878 bt878[BT878_MAX];

void bt878_start(struct bt878 *bt, u32 controlreg, u32 op_sync_orin,
		u32 irq_err_ignore);
void bt878_stop(struct bt878 *bt);


#define bmtwrite(dat,adr)  writel((dat), (adr))

#define bmtread(adr)       readl(adr)

#endif

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