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/*
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 "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)
extern int bt878_num;
struct bt878 {
struct semaphore 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;
u32 *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 */
extern __inline__ void io_st_le32(volatile unsigned __iomem *addr, unsigned val)
{
__asm__ __volatile__("stwbrx %1,0,%2":"=m"(*addr):"r"(val),
"r"(addr));
__asm__ __volatile__("eieio":::"memory");
}
#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
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