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 18struct 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 69struct 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 139