diff options
Diffstat (limited to 'drivers/media/video/zr36120.h')
| -rw-r--r-- | drivers/media/video/zr36120.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/drivers/media/video/zr36120.h b/drivers/media/video/zr36120.h new file mode 100644 index 0000000..571f8e8 --- /dev/null +++ b/drivers/media/video/zr36120.h @@ -0,0 +1,279 @@ +/* + zr36120.h - Zoran 36120/36125 based framegrabbers + + Copyright (C) 1998-1999 Pauline Middelink (middelin@polyware.nl) + + 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. +*/ + +#ifndef _ZR36120_H +#define _ZR36120_H + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <linux/wait.h> + +#include <linux/i2c-old.h> +#include <linux/videodev.h> + +#include <asm/io.h> + +/* + * Debug macro's, place an x behind the ) for actual debug-compilation + * E.g. #define DEBUG(x...) x + */ +#define DEBUG(x...) /* Debug driver */ +#define IDEBUG(x...) /* Debug interrupt handler */ +#define PDEBUG 0 /* Debug PCI writes */ + +/* defined in zr36120_i2c */ +extern struct i2c_bus zoran_i2c_bus_template; + +#define ZORAN_MAX_FBUFFERS 2 +#define ZORAN_MAX_FBUFFER (768*576*2) +#define ZORAN_MAX_FBUFSIZE (ZORAN_MAX_FBUFFERS*ZORAN_MAX_FBUFFER) + +#define ZORAN_VBI_BUFFERS 2 +#define ZORAN_VBI_BUFSIZE (22*1024*2) + +struct tvcard { + char* name; /* name of the cardtype */ + int video_inputs; /* number of channels defined in video_mux */ + int audio_inputs; /* number of channels defined in audio_mux */ + __u32 swapi2c:1, /* need to swap i2c wires SDA/SCL? */ + usegirq1:1, /* VSYNC at GIRQ1 instead of GIRQ0? */ + vsync_pos:1, /* positive VSYNC signal? */ + hsync_pos:1, /* positive HSYNC signal? */ + gpdir:8, /* General Purpose Direction register */ + gpval:8; /* General Purpose Value register */ + int video_mux[6]; /* mapping channel number to physical input */ +#define IS_TUNER 0x80 +#define IS_SVHS 0x40 +#define CHANNEL_MASK 0x3F + int audio_mux[6]; /* mapping channel number to physical input */ +}; +#define TUNER(x) ((x)|IS_TUNER) +#define SVHS(x) ((x)|IS_SVHS) + +struct vidinfo { + struct vidinfo* next; /* next active buffer */ + uint kindof; +#define FBUFFER_OVERLAY 0 +#define FBUFFER_GRAB 1 +#define FBUFFER_VBI 2 + uint status; +#define FBUFFER_FREE 0 +#define FBUFFER_BUSY 1 +#define FBUFFER_DONE 2 + ulong fieldnr; /* # of field, not framer! */ + uint x,y; + int w,h; /* w,h can be negative! */ + uint format; /* index in palette2fmt[] */ + uint bpp; /* lookup from palette2fmt[] */ + uint bpl; /* calc: width * bpp */ + ulong busadr; /* bus addr for DMA engine */ + char* memadr; /* kernel addr for making copies */ + ulong* overlay; /* kernel addr of overlay mask */ +}; + +struct zoran +{ + struct video_device video_dev; +#define CARD_DEBUG KERN_DEBUG "%s(%lu): " +#define CARD_INFO KERN_INFO "%s(%lu): " +#define CARD_ERR KERN_ERR "%s(%lu): " +#define CARD ztv->video_dev.name,ztv->fieldnr + + /* zoran chip specific details */ + struct i2c_bus i2c; /* i2c registration data */ + struct pci_dev* dev; /* ptr to PCI device */ + ulong zoran_adr; /* bus address of IO memory */ + char* zoran_mem; /* kernel address of IO memory */ + struct tvcard* card; /* the cardtype */ + uint norm; /* 0=PAL, 1=NTSC, 2=SECAM */ + uint tuner_freq; /* Current freq in kHz */ + struct video_picture picture; /* Current picture params */ + + /* videocard details */ + uint swidth; /* screen width */ + uint sheight; /* screen height */ + uint depth; /* depth in bits */ + + /* State details */ + char* fbuffer; /* framebuffers for mmap */ + struct vidinfo overinfo; /* overlay data */ + struct vidinfo grabinfo[ZORAN_MAX_FBUFFERS]; /* grabbing data*/ + wait_queue_head_t grabq; /* grabbers queue */ + + /* VBI details */ + struct video_device vbi_dev; + struct vidinfo readinfo[2]; /* VBI data - flip buffers */ + wait_queue_head_t vbiq; /* vbi queue */ + + /* maintenance data */ + int have_decoder; /* did we detect a mux? */ + int have_tuner; /* did we detect a tuner? */ + int users; /* howmany video/vbi open? */ + int tuner_type; /* tuner type, when found */ + int running; /* are we rolling? */ + rwlock_t lock; + long state; /* what is requested of us? */ +#define STATE_OVERLAY 0 +#define STATE_VBI 1 + struct vidinfo* workqueue; /* buffers to grab, head is active */ + ulong fieldnr; /* #field, ticked every VSYNC */ + ulong lastfieldnr; /* #field, ticked every GRAB */ + + int vidInterlace; /* calculated */ + int vidXshift; /* calculated */ + uint vidWidth; /* calculated */ + uint vidHeight; /* calculated */ +}; + +#define zrwrite(dat,adr) writel((dat),(char *) (ztv->zoran_mem+(adr))) +#define zrread(adr) readl(ztv->zoran_mem+(adr)) + +#if PDEBUG == 0 +#define zrand(dat,adr) zrwrite((dat) & zrread(adr), adr) +#define zror(dat,adr) zrwrite((dat) | zrread(adr), adr) +#define zraor(dat,mask,adr) zrwrite( ((dat)&~(mask)) | ((mask)&zrread(adr)), adr) +#else +#define zrand(dat, adr) \ +do { \ + ulong data = (dat) & zrread((adr)); \ + zrwrite(data, (adr)); \ + if (0 != (~(dat) & zrread((adr)))) \ + printk(KERN_DEBUG "zoran: zrand at %d(%d) detected set bits(%x)\n", __LINE__, (adr), (dat)); \ +} while(0) + +#define zror(dat, adr) \ +do { \ + ulong data = (dat) | zrread((adr)); \ + zrwrite(data, (adr)); \ + if ((dat) != ((dat) & zrread(adr))) \ + printk(KERN_DEBUG "zoran: zror at %d(%d) detected unset bits(%x)\n", __LINE__, (adr), (dat)); \ +} while(0) + +#define zraor(dat, mask, adr) \ +do { \ + ulong data; \ + if ((dat) & (mask)) \ + printk(KERN_DEBUG "zoran: zraor at %d(%d) detected bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \ + data = ((dat)&~(mask)) | ((mask) & zrread((adr))); \ + zrwrite(data,(adr)); \ + if ( (dat) != (~(mask) & zrread((adr))) ) \ + printk(KERN_DEBUG "zoran: zraor at %d(%d) could not set all bits(%x:%x)\n", __LINE__, (adr), (dat), (mask)); \ +} while(0) +#endif + +#endif + +/* zoran PCI address space */ +#define ZORAN_VFEH 0x000 /* Video Front End Horizontal Conf. */ +#define ZORAN_VFEH_HSPOL (1<<30) +#define ZORAN_VFEH_HSTART (0x3FF<<10) +#define ZORAN_VFEH_HEND (0x3FF<<0) + +#define ZORAN_VFEV 0x004 /* Video Front End Vertical Conf. */ +#define ZORAN_VFEV_VSPOL (1<<30) +#define ZORAN_VFEV_VSTART (0x3FF<<10) +#define ZORAN_VFEV_VEND (0x3FF<<0) + +#define ZORAN_VFEC 0x008 /* Video Front End Scaler and Pixel */ +#define ZORAN_VFEC_EXTFL (1<<26) +#define ZORAN_VFEC_TOPFIELD (1<<25) +#define ZORAN_VFEC_VCLKPOL (1<<24) +#define ZORAN_VFEC_HFILTER (7<<21) +#define ZORAN_VFEC_HFILTER_1 (0<<21) /* no lumi, 3-tap chromo */ +#define ZORAN_VFEC_HFILTER_2 (1<<21) /* 3-tap lumi, 3-tap chromo */ +#define ZORAN_VFEC_HFILTER_3 (2<<21) /* 4-tap lumi, 4-tap chromo */ +#define ZORAN_VFEC_HFILTER_4 (3<<21) /* 5-tap lumi, 4-tap chromo */ +#define ZORAN_VFEC_HFILTER_5 (4<<21) /* 4-tap lumi, 4-tap chromo */ +#define ZORAN_VFEC_DUPFLD (1<<20) +#define ZORAN_VFEC_HORDCM (63<<14) +#define ZORAN_VFEC_VERDCM (63<<8) +#define ZORAN_VFEC_DISPMOD (1<<6) +#define ZORAN_VFEC_RGB (3<<3) +#define ZORAN_VFEC_RGB_YUV422 (0<<3) +#define ZORAN_VFEC_RGB_RGB888 (1<<3) +#define ZORAN_VFEC_RGB_RGB565 (2<<3) +#define ZORAN_VFEC_RGB_RGB555 (3<<3) +#define ZORAN_VFEC_ERRDIF (1<<2) +#define ZORAN_VFEC_PACK24 (1<<1) +#define ZORAN_VFEC_LE (1<<0) + +#define ZORAN_VTOP 0x00C /* Video Display "Top" */ + +#define ZORAN_VBOT 0x010 /* Video Display "Bottom" */ + +#define ZORAN_VSTR 0x014 /* Video Display Stride */ +#define ZORAN_VSTR_DISPSTRIDE (0xFFFF<<16) +#define ZORAN_VSTR_VIDOVF (1<<8) +#define ZORAN_VSTR_SNAPSHOT (1<<1) +#define ZORAN_VSTR_GRAB (1<<0) + +#define ZORAN_VDC 0x018 /* Video Display Conf. */ +#define ZORAN_VDC_VIDEN (1<<31) +#define ZORAN_VDC_MINPIX (0x1F<<25) +#define ZORAN_VDC_TRICOM (1<<24) +#define ZORAN_VDC_VIDWINHT (0x3FF<<12) +#define ZORAN_VDC_VIDWINWID (0x3FF<<0) + +#define ZORAN_MTOP 0x01C /* Masking Map "Top" */ + +#define ZORAN_MBOT 0x020 /* Masking Map "Bottom" */ + +#define ZORAN_OCR 0x024 /* Overlay Control */ +#define ZORAN_OCR_OVLEN (1<<15) +#define ZORAN_OCR_MASKSTRIDE (0xFF<<0) + +#define ZORAN_PCI 0x028 /* System, PCI and GPP Control */ +#define ZORAN_PCI_SOFTRESET (1<<24) +#define ZORAN_PCI_WAITSTATE (3<<16) +#define ZORAN_PCI_GENPURDIR (0xFF<<0) + +#define ZORAN_GUEST 0x02C /* GuestBus Control */ + +#define ZORAN_CSOURCE 0x030 /* Code Source Address */ + +#define ZORAN_CTRANS 0x034 /* Code Transfer Control */ + +#define ZORAN_CMEM 0x038 /* Code Memory Pointer */ + +#define ZORAN_ISR 0x03C /* Interrupt Status Register */ +#define ZORAN_ISR_CODE (1<<28) +#define ZORAN_ISR_GIRQ0 (1<<29) +#define ZORAN_ISR_GIRQ1 (1<<30) + +#define ZORAN_ICR 0x040 /* Interrupt Control Register */ +#define ZORAN_ICR_EN (1<<24) +#define ZORAN_ICR_CODE (1<<28) +#define ZORAN_ICR_GIRQ0 (1<<29) +#define ZORAN_ICR_GIRQ1 (1<<30) + +#define ZORAN_I2C 0x044 /* I2C-Bus */ +#define ZORAN_I2C_SCL (1<<1) +#define ZORAN_I2C_SDA (1<<0) + +#define ZORAN_POST 0x48 /* PostOffice */ +#define ZORAN_POST_PEN (1<<25) +#define ZORAN_POST_TIME (1<<24) +#define ZORAN_POST_DIR (1<<23) +#define ZORAN_POST_GUESTID (3<<20) +#define ZORAN_POST_GUEST (7<<16) +#define ZORAN_POST_DATA (0xFF<<0) + +#endif |
