/* * Driver for the VINO (Video In No Out) system found in SGI Indys. * * This file is subject to the terms and conditions of the GNU General Public * License version 2 as published by the Free Software Foundation. * * Copyright (C) 1999 Ulf Karlsson <ulfc@bun.falkenberg.se> * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> */ #ifndef _VINO_H_ #define _VINO_H_ #define VINO_BASE 0x00080000 /* Vino is in the EISA address space, * but it is not an EISA bus card */ #define VINO_PAGE_SIZE 4096 struct sgi_vino_channel { u32 _pad_alpha; volatile u32 alpha; #define VINO_CLIP_X(x) ((x) & 0x3ff) /* bits 0:9 */ #define VINO_CLIP_ODD(x) (((x) & 0x1ff) << 10) /* bits 10:18 */ #define VINO_CLIP_EVEN(x) (((x) & 0x1ff) << 19) /* bits 19:27 */ u32 _pad_clip_start; volatile u32 clip_start; u32 _pad_clip_end; volatile u32 clip_end; #define VINO_FRAMERT_FULL 0xfff #define VINO_FRAMERT_PAL (1<<0) /* 0=NTSC 1=PAL */ #define VINO_FRAMERT_RT(x) (((x) & 0xfff) << 1) /* bits 1:12 */ u32 _pad_frame_rate; volatile u32 frame_rate; u32 _pad_field_counter; volatile u32 field_counter; u32 _pad_line_size; volatile u32 line_size; u32 _pad_line_count; volatile u32 line_count; u32 _pad_page_index; volatile u32 page_index; u32 _pad_next_4_desc; volatile u32 next_4_desc; u32 _pad_start_desc_tbl; volatile u32 start_desc_tbl; #define VINO_DESC_JUMP (1<<30) #define VINO_DESC_STOP (1<<31) #define VINO_DESC_VALID (1<<32) u32 _pad_desc_0; volatile u32 desc_0; u32 _pad_desc_1; volatile u32 desc_1; u32 _pad_desc_2; volatile u32 desc_2; u32 _pad_Bdesc_3; volatile u32 desc_3; u32 _pad_fifo_thres; volatile u32 fifo_thres; u32 _pad_fifo_read; volatile u32 fifo_read; u32 _pad_fifo_write; volatile u32 fifo_write; }; struct sgi_vino { #define VINO_CHIP_ID 0xb #define VINO_REV_NUM(x) ((x) & 0x0f) #define VINO_ID_VALUE(x) (((x) & 0xf0) >> 4) u32 _pad_rev_id; volatile u32 rev_id; #define VINO_CTRL_LITTLE_ENDIAN (1<<0) #define VINO_CTRL_A_EOF_INT (1<<1) /* Field transferred int */ #define VINO_CTRL_A_FIFO_INT (1<<2) /* FIFO overflow int */ #define VINO_CTRL_A_EOD_INT (1<<3) /* End of desc table int */ #define VINO_CTRL_A_INT (VINO_CTRL_A_EOF_INT | \ VINO_CTRL_A_FIFO_INT | \ VINO_CTRL_A_EOD_INT) #define VINO_CTRL_B_EOF_INT (1<<4) /* Field transferred int */ #define VINO_CTRL_B_FIFO_INT (1<<5) /* FIFO overflow int */ #define VINO_CTRL_B_EOD_INT (1<<6) /* End of desc table int */ #define VINO_CTRL_B_INT (VINO_CTRL_B_EOF_INT | \ VINO_CTRL_B_FIFO_INT | \ VINO_CTRL_B_EOD_INT) #define VINO_CTRL_A_DMA_ENBL (1<<7) #define VINO_CTRL_A_INTERLEAVE_ENBL (1<<8) #define VINO_CTRL_A_SYNC_ENBL (1<<9) #define VINO_CTRL_A_SELECT (1<<10) /* 1=D1 0=Philips */ #define VINO_CTRL_A_RGB (1<<11) /* 1=RGB 0=YUV */ #define VINO_CTRL_A_LUMA_ONLY (1<<12) #define VINO_CTRL_A_DEC_ENBL (1<<13) /* Decimation */ #define VINO_CTRL_A_DEC_SCALE_MASK 0x1c000 /* bits 14:17 */ #define VINO_CTRL_A_DEC_SCALE_SHIFT (14) #define VINO_CTRL_A_DEC_HOR_ONLY (1<<17) /* Horizontal only */ #define VINO_CTRL_A_DITHER (1<<18) /* 24 -> 8 bit dither */ #define VINO_CTRL_B_DMA_ENBL (1<<19) #define VINO_CTRL_B_INTERLEAVE_ENBL (1<<20) #define VINO_CTRL_B_SYNC_ENBL (1<<21) #define VINO_CTRL_B_SELECT (1<<22) /* 1=D1 0=Philips */ #define VINO_CTRL_B_RGB (1<<23) /* 1=RGB 0=YUV */ #define VINO_CTRL_B_LUMA_ONLY (1<<24) #define VINO_CTRL_B_DEC_ENBL (1<<25) /* Decimation */ #define VINO_CTRL_B_DEC_SCALE_MASK 0x1c000000 /* bits 26:28 */ #define VINO_CTRL_B_DEC_SCALE_SHIFT (26) #define VINO_CTRL_B_DEC_HOR_ONLY (1<<29) /* Decimation horizontal only */ #define VINO_CTRL_B_DITHER (1<<30) /* ChanB 24 -> 8 bit dither */ u32 _pad_control; volatile u32 control; #define VINO_INTSTAT_A_EOF (1<<0) /* Field transferred int */ #define VINO_INTSTAT_A_FIFO (1<<1) /* FIFO overflow int */ #define VINO_INTSTAT_A_EOD (1<<2) /* End of desc table int */ #define VINO_INTSTAT_A (VINO_INTSTAT_A_EOF | \ VINO_INTSTAT_A_FIFO | \ VINO_INTSTAT_A_EOD) #define VINO_INTSTAT_B_EOF (1<<3) /* Field transferred int */ #define VINO_INTSTAT_B_FIFO (1<<4) /* FIFO overflow int */ #define VINO_INTSTAT_B_EOD (1<<5) /* End of desc table int */ #define VINO_INTSTAT_B (VINO_INTSTAT_B_EOF | \ VINO_INTSTAT_B_FIFO | \ VINO_INTSTAT_B_EOD) u32 _pad_intr_status; volatile u32 intr_status; u32 _pad_i2c_control; volatile u32 i2c_control; u32 _pad_i2c_data; volatile u32 i2c_data; struct sgi_vino_channel a; struct sgi_vino_channel b; }; #endif