drivers/media/dvb/bt8xx/bt878.h

   1 /*
   2     bt878.h - Bt878 audio module (register offsets)
   3
   4     Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@t-online.de>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef _BT878_H_
  22 #define _BT878_H_
  23
  24 #include <linux/interrupt.h>
  25 #include <linux/pci.h>
  26 #include <linux/sched.h>
  27 #include <linux/spinlock.h>
  28 #include "bt848.h"
  29 #include "bttv.h"
  30
  31 #define BT878_VERSION_CODE 0x000000
  32
  33 #define BT878_AINT_STAT         0x100
  34 #define BT878_ARISCS            (0xf<<28)
  35 #define BT878_ARISC_EN          (1<<27)
  36 #define BT878_ASCERR            (1<<19)
  37 #define BT878_AOCERR            (1<<18)
  38 #define BT878_APABORT           (1<<17)
  39 #define BT878_ARIPERR           (1<<16)
  40 #define BT878_APPERR            (1<<15)
  41 #define BT878_AFDSR             (1<<14)
  42 #define BT878_AFTRGT            (1<<13)
  43 #define BT878_AFBUS             (1<<12)
  44 #define BT878_ARISCI            (1<<11)
  45 #define BT878_AOFLOW            (1<<3)
  46
  47 #define BT878_AINT_MASK         0x104
  48
  49 #define BT878_AGPIO_DMA_CTL     0x10c
  50 #define BT878_A_GAIN            (0xf<<28)
  51 #define BT878_A_G2X             (1<<27)
  52 #define BT878_A_PWRDN           (1<<26)
  53 #define BT878_A_SEL             (3<<24)
  54 #define BT878_DA_SCE            (1<<23)
  55 #define BT878_DA_LRI            (1<<22)
  56 #define BT878_DA_MLB            (1<<21)
  57 #define BT878_DA_LRD            (0x1f<<16)
  58 #define BT878_DA_DPM            (1<<15)
  59 #define BT878_DA_SBR            (1<<14)
  60 #define BT878_DA_ES2            (1<<13)
  61 #define BT878_DA_LMT            (1<<12)
  62 #define BT878_DA_SDR            (0xf<<8)
  63 #define BT878_DA_IOM            (3<<6)
  64 #define BT878_DA_APP            (1<<5)
  65 #define BT878_ACAP_EN           (1<<4)
  66 #define BT878_PKTP              (3<<2)
  67 #define BT878_RISC_EN           (1<<1)
  68 #define BT878_FIFO_EN           1
  69
  70 #define BT878_APACK_LEN         0x110
  71 #define BT878_AFP_LEN           (0xff<<16)
  72 #define BT878_ALP_LEN           0xfff
  73
  74 #define BT878_ARISC_START       0x114
  75
  76 #define BT878_ARISC_PC          0x120
  77
  78 /* BT878 FUNCTION 0 REGISTERS */
  79 #define BT878_GPIO_DMA_CTL      0x10c
  80
  81 /* Interrupt register */
  82 #define BT878_INT_STAT          0x100
  83 #define BT878_INT_MASK          0x104
  84 #define BT878_I2CRACK           (1<<25)
  85 #define BT878_I2CDONE           (1<<8)
  86
  87 #define BT878_MAX 4
  88
  89 #define BT878_RISC_SYNC_MASK    (1 << 15)
  90
  91 extern int bt878_num;
  92
  93 struct bt878 {
  94         struct semaphore  gpio_lock;
  95         unsigned int nr;
  96         unsigned int bttv_nr;
  97         struct i2c_adapter *adapter;
  98         struct pci_dev *dev;
  99         unsigned int id;
 100         unsigned int TS_Size;
 101         unsigned char revision;
 102         unsigned int irq;
 103         unsigned long bt878_adr;
 104         volatile void __iomem *bt878_mem; /* function 1 */
 105
 106         volatile u32 finished_block;
 107         volatile u32 last_block;
 108         u32 block_count;
 109         u32 block_bytes;
 110         u32 line_bytes;
 111         u32 line_count;
 112
 113         u32 buf_size;
 114         u8 *buf_cpu;
 115         dma_addr_t buf_dma;
 116
 117         u32 risc_size;
 118         u32 *risc_cpu;
 119         dma_addr_t risc_dma;
 120         u32 risc_pos;
 121
 122         struct tasklet_struct tasklet;
 123         int shutdown;
 124 };
 125
 126 extern struct bt878 bt878[BT878_MAX];
 127
 128 void bt878_start(struct bt878 *bt, u32 controlreg, u32 op_sync_orin,
 129                 u32 irq_err_ignore);
 130 void bt878_stop(struct bt878 *bt);
 131
 132 #if defined(__powerpc__)        /* big-endian */
 133 extern __inline__ void io_st_le32(volatile unsigned __iomem *addr, unsigned val)
 134 {
 135         __asm__ __volatile__("stwbrx %1,0,%2":"=m"(*addr):"r"(val),
 136                              "r"(addr));
 137         __asm__ __volatile__("eieio":::"memory");
 138 }
 139
 140 #define bmtwrite(dat,adr)  io_st_le32((adr),(dat))
 141 #define bmtread(adr)       ld_le32((adr))
 142 #else
 143 #define bmtwrite(dat,adr)  writel((dat), (adr))
 144 #define bmtread(adr)       readl(adr)
 145 #endif
 146
 147 #endif