drivers/media/video/vino.h

   1 /*
   2  * Driver for the VINO (Video In No Out) system found in SGI Indys.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License version 2 as published by the Free Software Foundation.
   6  *
   7  * Copyright (C) 1999 Ulf Karlsson <ulfc@bun.falkenberg.se>
   8  * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org>
   9  */
  10
  11 #ifndef _VINO_H_
  12 #define _VINO_H_
  13
  14 #define VINO_BASE       0x00080000      /* Vino is in the EISA address space,
  15                                          * but it is not an EISA bus card */
  16 #define VINO_PAGE_SIZE  4096
  17
  18 struct sgi_vino_channel {
  19         u32 _pad_alpha;
  20         volatile u32 alpha;
  21
  22 #define VINO_CLIP_X(x)          ((x) & 0x3ff)           /* bits 0:9 */
  23 #define VINO_CLIP_ODD(x)        (((x) & 0x1ff) << 10)   /* bits 10:18 */
  24 #define VINO_CLIP_EVEN(x)       (((x) & 0x1ff) << 19)   /* bits 19:27 */
  25         u32 _pad_clip_start;
  26         volatile u32 clip_start;
  27         u32 _pad_clip_end;
  28         volatile u32 clip_end;
  29
  30 #define VINO_FRAMERT_FULL       0xfff
  31 #define VINO_FRAMERT_PAL        (1<<0)                  /* 0=NTSC 1=PAL */
  32 #define VINO_FRAMERT_RT(x)      (((x) & 0xfff) << 1)    /* bits 1:12 */
  33         u32 _pad_frame_rate;
  34         volatile u32 frame_rate;
  35
  36         u32 _pad_field_counter;
  37         volatile u32 field_counter;
  38         u32 _pad_line_size;
  39         volatile u32 line_size;
  40         u32 _pad_line_count;
  41         volatile u32 line_count;
  42         u32 _pad_page_index;
  43         volatile u32 page_index;
  44         u32 _pad_next_4_desc;
  45         volatile u32 next_4_desc;
  46         u32 _pad_start_desc_tbl;
  47         volatile u32 start_desc_tbl;
  48
  49 #define VINO_DESC_JUMP          (1<<30)
  50 #define VINO_DESC_STOP          (1<<31)
  51 #define VINO_DESC_VALID         (1<<32)
  52         u32 _pad_desc_0;
  53         volatile u32 desc_0;
  54         u32 _pad_desc_1;
  55         volatile u32 desc_1;
  56         u32 _pad_desc_2;
  57         volatile u32 desc_2;
  58         u32 _pad_Bdesc_3;
  59         volatile u32 desc_3;
  60
  61         u32 _pad_fifo_thres;
  62         volatile u32 fifo_thres;
  63         u32 _pad_fifo_read;
  64         volatile u32 fifo_read;
  65         u32 _pad_fifo_write;
  66         volatile u32 fifo_write;
  67 };
  68
  69 struct sgi_vino {
  70 #define VINO_CHIP_ID            0xb
  71 #define VINO_REV_NUM(x)         ((x) & 0x0f)
  72 #define VINO_ID_VALUE(x)        (((x) & 0xf0) >> 4)
  73         u32 _pad_rev_id;
  74         volatile u32 rev_id;
  75
  76 #define VINO_CTRL_LITTLE_ENDIAN         (1<<0)
  77 #define VINO_CTRL_A_EOF_INT             (1<<1)  /* Field transferred int */
  78 #define VINO_CTRL_A_FIFO_INT            (1<<2)  /* FIFO overflow int */
  79 #define VINO_CTRL_A_EOD_INT             (1<<3)  /* End of desc table int */
  80 #define VINO_CTRL_A_INT                 (VINO_CTRL_A_EOF_INT | \
  81                                          VINO_CTRL_A_FIFO_INT | \
  82                                          VINO_CTRL_A_EOD_INT)
  83 #define VINO_CTRL_B_EOF_INT             (1<<4)  /* Field transferred int */
  84 #define VINO_CTRL_B_FIFO_INT            (1<<5)  /* FIFO overflow int */
  85 #define VINO_CTRL_B_EOD_INT             (1<<6)  /* End of desc table int */
  86 #define VINO_CTRL_B_INT                 (VINO_CTRL_B_EOF_INT | \
  87                                          VINO_CTRL_B_FIFO_INT | \
  88                                          VINO_CTRL_B_EOD_INT)
  89 #define VINO_CTRL_A_DMA_ENBL            (1<<7)
  90 #define VINO_CTRL_A_INTERLEAVE_ENBL     (1<<8)
  91 #define VINO_CTRL_A_SYNC_ENBL           (1<<9)
  92 #define VINO_CTRL_A_SELECT              (1<<10) /* 1=D1 0=Philips */
  93 #define VINO_CTRL_A_RGB                 (1<<11) /* 1=RGB 0=YUV */
  94 #define VINO_CTRL_A_LUMA_ONLY           (1<<12)
  95 #define VINO_CTRL_A_DEC_ENBL            (1<<13) /* Decimation */
  96 #define VINO_CTRL_A_DEC_SCALE_MASK      0x1c000 /* bits 14:17 */
  97 #define VINO_CTRL_A_DEC_SCALE_SHIFT     (14)
  98 #define VINO_CTRL_A_DEC_HOR_ONLY        (1<<17) /* Horizontal only */
  99 #define VINO_CTRL_A_DITHER              (1<<18) /* 24 -> 8 bit dither */
 100 #define VINO_CTRL_B_DMA_ENBL            (1<<19)
 101 #define VINO_CTRL_B_INTERLEAVE_ENBL     (1<<20)
 102 #define VINO_CTRL_B_SYNC_ENBL           (1<<21)
 103 #define VINO_CTRL_B_SELECT              (1<<22) /* 1=D1 0=Philips */
 104 #define VINO_CTRL_B_RGB                 (1<<23) /* 1=RGB 0=YUV */
 105 #define VINO_CTRL_B_LUMA_ONLY           (1<<24)
 106 #define VINO_CTRL_B_DEC_ENBL            (1<<25) /* Decimation */
 107 #define VINO_CTRL_B_DEC_SCALE_MASK      0x1c000000      /* bits 26:28 */
 108 #define VINO_CTRL_B_DEC_SCALE_SHIFT     (26)
 109 #define VINO_CTRL_B_DEC_HOR_ONLY        (1<<29) /* Decimation horizontal only */
 110 #define VINO_CTRL_B_DITHER              (1<<30) /* ChanB 24 -> 8 bit dither */
 111         u32 _pad_control;
 112         volatile u32 control;
 113
 114 #define VINO_INTSTAT_A_EOF              (1<<0)  /* Field transferred int */
 115 #define VINO_INTSTAT_A_FIFO             (1<<1)  /* FIFO overflow int */
 116 #define VINO_INTSTAT_A_EOD              (1<<2)  /* End of desc table int */
 117 #define VINO_INTSTAT_A                  (VINO_INTSTAT_A_EOF | \
 118                                          VINO_INTSTAT_A_FIFO | \
 119                                          VINO_INTSTAT_A_EOD)
 120 #define VINO_INTSTAT_B_EOF              (1<<3)  /* Field transferred int */
 121 #define VINO_INTSTAT_B_FIFO             (1<<4)  /* FIFO overflow int */
 122 #define VINO_INTSTAT_B_EOD              (1<<5)  /* End of desc table int */
 123 #define VINO_INTSTAT_B                  (VINO_INTSTAT_B_EOF | \
 124                                          VINO_INTSTAT_B_FIFO | \
 125                                          VINO_INTSTAT_B_EOD)
 126         u32 _pad_intr_status;
 127         volatile u32 intr_status;
 128
 129         u32 _pad_i2c_control;
 130         volatile u32 i2c_control;
 131         u32 _pad_i2c_data;
 132         volatile u32 i2c_data;
 133
 134         struct sgi_vino_channel a;
 135         struct sgi_vino_channel b;
 136 };
 137
 138 #endif