bt878.h

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

    Copyright (C) 2002 Peter Hettkamp <[email protected]>

    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);

#if defined(__powerpc__)    /* big-endian */
static inline void io_st_le32(volatile unsigned __iomem *addr, unsigned val)
{
    st_le32(addr, val);
    eieio();
}

#define bmtwrite(dat,adr)  io_st_le32((adr),(dat))
#define bmtread(adr)       ld_le32((adr))
#else
#define bmtwrite(dat,adr)  writel((dat), (adr))
#define bmtread(adr)       readl(adr)
#endif

#endif