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Diffstat (limited to 'drivers/media/video/planb.h')
| -rw-r--r-- | drivers/media/video/planb.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/media/video/planb.h b/drivers/media/video/planb.h index e21b5735c10..e69de29bb2d 100644 --- a/drivers/media/video/planb.h +++ b/drivers/media/video/planb.h @@ -1,232 +0,0 @@ -/* - planb - PlanB frame grabber driver - - PlanB is used in the 7x00/8x00 series of PowerMacintosh - Computers as video input DMA controller. - - Copyright (C) 1998 Michel Lanners (mlan@cpu.lu) - - Based largely on the bttv driver by Ralph Metzler (rjkm@thp.uni-koeln.de) - - Additional debugging and coding by Takashi Oe (toe@unlserve.unl.edu) - - - 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. -*/ - -/* $Id: planb.h,v 1.13 1999/05/03 19:28:56 mlan Exp $ */ - -#ifndef _PLANB_H_ -#define _PLANB_H_ - -#ifdef __KERNEL__ -#include <asm/dbdma.h> -#include "saa7196.h" -#endif /* __KERNEL__ */ - -#define PLANB_DEVICE_NAME "Apple PlanB Video-In" -#define PLANB_REV "1.0" - -#ifdef __KERNEL__ -//#define PLANB_GSCANLINE /* use this if apps have the notion of */ - /* grab buffer scanline */ -/* This should be safe for both PAL and NTSC */ -#define PLANB_MAXPIXELS 768 -#define PLANB_MAXLINES 576 -#define PLANB_NTSC_MAXLINES 480 - -/* Uncomment your preferred norm ;-) */ -#define PLANB_DEF_NORM VIDEO_MODE_PAL -//#define PLANB_DEF_NORM VIDEO_MODE_NTSC -//#define PLANB_DEF_NORM VIDEO_MODE_SECAM - -/* fields settings */ -#define PLANB_GRAY 0x1 /* 8-bit mono? */ -#define PLANB_COLOUR15 0x2 /* 16-bit mode */ -#define PLANB_COLOUR32 0x4 /* 32-bit mode */ -#define PLANB_CLIPMASK 0x8 /* hardware clipmasking */ - -/* misc. flags for PlanB DMA operation */ -#define CH_SYNC 0x1 /* synchronize channels (set by ch1; - cleared by ch2) */ -#define FIELD_SYNC 0x2 /* used for the start of each field - (0 -> 1 -> 0 for ch1; 0 -> 1 for ch2) */ -#define EVEN_FIELD 0x0 /* even field is detected if unset */ -#define DMA_ABORT 0x2 /* error or just out of sync if set */ -#define ODD_FIELD 0x4 /* odd field is detected if set */ - -/* for capture operations */ -#define MAX_GBUFFERS 2 -/* note PLANB_MAX_FBUF must be divisible by PAGE_SIZE */ -#ifdef PLANB_GSCANLINE -#define PLANB_MAX_FBUF 0x240000 /* 576 * 1024 * 4 */ -#define TAB_FACTOR (1) -#else -#define PLANB_MAX_FBUF 0x1b0000 /* 576 * 768 * 4 */ -#define TAB_FACTOR (2) -#endif -#endif /* __KERNEL__ */ - -struct planb_saa_regs { - unsigned char addr; - unsigned char val; -}; - -struct planb_stat_regs { - unsigned int ch1_stat; - unsigned int ch2_stat; - unsigned char saa_stat0; - unsigned char saa_stat1; -}; - -struct planb_any_regs { - unsigned int offset; - unsigned int bytes; - unsigned char data[128]; -}; - -/* planb private ioctls */ -#define PLANBIOCGSAAREGS _IOWR('v', BASE_VIDIOCPRIVATE, struct planb_saa_regs) /* Read a saa7196 reg value */ -#define PLANBIOCSSAAREGS _IOW('v', BASE_VIDIOCPRIVATE + 1, struct planb_saa_regs) /* Set a saa7196 reg value */ -#define PLANBIOCGSTAT _IOR('v', BASE_VIDIOCPRIVATE + 2, struct planb_stat_regs) /* Read planb status */ -#define PLANB_TV_MODE 1 -#define PLANB_VTR_MODE 2 -#define PLANBIOCGMODE _IOR('v', BASE_VIDIOCPRIVATE + 3, int) /* Get TV/VTR mode */ -#define PLANBIOCSMODE _IOW('v', BASE_VIDIOCPRIVATE + 4, int) /* Set TV/VTR mode */ - -#ifdef PLANB_GSCANLINE -#define PLANBG_GRAB_BPL _IOR('v', BASE_VIDIOCPRIVATE + 5, int) /* # of bytes per scanline in grab buffer */ -#endif - -/* call wake_up_interruptible() with appropriate actions */ -#define PLANB_INTR_DEBUG _IOW('v', BASE_VIDIOCPRIVATE + 20, int) -/* investigate which reg does what */ -#define PLANB_INV_REGS _IOWR('v', BASE_VIDIOCPRIVATE + 21, struct planb_any_regs) - -#ifdef __KERNEL__ - -/* Potentially useful macros */ -#define PLANB_SET(x) ((x) << 16 | (x)) -#define PLANB_CLR(x) ((x) << 16) - -/* This represents the physical register layout */ -struct planb_registers { - volatile struct dbdma_regs ch1; /* 0x00: video in */ - volatile unsigned int even; /* 0x40: even field setting */ - volatile unsigned int odd; /* 0x44; odd field setting */ - unsigned int pad1[14]; /* empty? */ - volatile struct dbdma_regs ch2; /* 0x80: clipmask out */ - unsigned int pad2[16]; /* 0xc0: empty? */ - volatile unsigned int reg3; /* 0x100: ???? */ - volatile unsigned int intr_stat; /* 0x104: irq status */ -#define PLANB_CLR_IRQ 0x00 /* clear Plan B interrupt */ -#define PLANB_GEN_IRQ 0x01 /* assert Plan B interrupt */ -#define PLANB_FRM_IRQ 0x0100 /* end of frame */ - unsigned int pad3[1]; /* empty? */ - volatile unsigned int reg5; /* 0x10c: ??? */ - unsigned int pad4[60]; /* empty? */ - volatile unsigned char saa_addr; /* 0x200: SAA subadr */ - char pad5[3]; - volatile unsigned char saa_regval; /* SAA7196 write reg. val */ - char pad6[3]; - volatile unsigned char saa_status; /* SAA7196 status byte */ - /* There is more unused stuff here */ -}; - -struct planb_window { - int x, y; - ushort width, height; - ushort bpp, bpl, depth, pad; - ushort swidth, sheight; - int norm; - int interlace; - u32 color_fmt; - int chromakey; - int mode; /* used to switch between TV/VTR modes */ -}; - -struct planb_suspend { - int overlay; - int frame; - struct dbdma_cmd cmd; -}; - -struct planb { - struct video_device video_dev; - struct video_picture picture; /* Current picture params */ - struct video_audio audio_dev; /* Current audio params */ - - volatile struct planb_registers *planb_base; /* virt base of planb */ - struct planb_registers *planb_base_phys; /* phys base of planb */ - void *priv_space; /* Org. alloc. mem for kfree */ - int user; - unsigned int tab_size; - int maxlines; - struct mutex lock; - unsigned int irq; /* interrupt number */ - volatile unsigned int intr_mask; - struct pci_dev *dev; /* Our PCI device */ - - int overlay; /* overlay running? */ - struct planb_window win; - unsigned long frame_buffer_phys; /* We need phys for DMA */ - int offset; /* offset of pixel 1 */ - volatile struct dbdma_cmd *ch1_cmd; /* Video In DMA cmd buffer */ - volatile struct dbdma_cmd *ch2_cmd; /* Clip Out DMA cmd buffer */ - volatile struct dbdma_cmd *overlay_last1; - volatile struct dbdma_cmd *overlay_last2; - unsigned long ch1_cmd_phys; - volatile unsigned char *mask; /* Clipmask buffer */ - int suspend; - wait_queue_head_t suspendq; - struct planb_suspend suspended; - int cmd_buff_inited; /* cmd buffer inited? */ - - int grabbing; - unsigned int gcount; - wait_queue_head_t capq; - int last_fr; - int prev_last_fr; - unsigned char **rawbuf; - int rawbuf_size; - int gbuf_idx[MAX_GBUFFERS]; - volatile struct dbdma_cmd *cap_cmd[MAX_GBUFFERS]; - volatile struct dbdma_cmd *last_cmd[MAX_GBUFFERS]; - volatile struct dbdma_cmd *pre_cmd[MAX_GBUFFERS]; - int need_pre_capture[MAX_GBUFFERS]; -#define PLANB_DUMMY 40 /* # of command buf's allocated for pre-capture seq. */ - int gwidth[MAX_GBUFFERS], gheight[MAX_GBUFFERS]; - unsigned int gfmt[MAX_GBUFFERS]; - int gnorm_switch[MAX_GBUFFERS]; - volatile unsigned int *frame_stat; -#define GBUFFER_UNUSED 0x00U -#define GBUFFER_GRABBING 0x01U -#define GBUFFER_DONE 0x02U -#ifdef PLANB_GSCANLINE - int gbytes_per_line; -#else -#define MAX_LNUM 431 /* change this if PLANB_MAXLINES or */ - /* PLANB_MAXPIXELS changes */ - int l_fr_addr_idx[MAX_GBUFFERS]; - unsigned char *l_to_addr[MAX_GBUFFERS][MAX_LNUM]; - int l_to_next_idx[MAX_GBUFFERS][MAX_LNUM]; - int l_to_next_size[MAX_GBUFFERS][MAX_LNUM]; - int lsize[MAX_GBUFFERS], lnum[MAX_GBUFFERS]; -#endif -}; - -#endif /* __KERNEL__ */ - -#endif /* _PLANB_H_ */ |