Annotation of margi2/cardbase.h, revision 1.2

1.1       cvs         1: /* 
                      2:     cardbase.h
                      3: 
                      4:     Copyright (C) Christian Wolff for convergence integrated media.
                      5: 
                      6:     This program is free software; you can redistribute it and/or modify
                      7:     it under the terms of the GNU General Public License as published by
                      8:     the Free Software Foundation; either version 2 of the License, or
                      9:     (at your option) any later version.
                     10: 
                     11:     This program is distributed in the hope that it will be useful,
                     12:     but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14:     GNU General Public License for more details.
                     15: 
                     16:     You should have received a copy of the GNU General Public License
                     17:     along with this program; if not, write to the Free Software
                     18:     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
                     19: */
                     20: 
                     21: #ifndef CARDBASE_H
                     22: #define CARDBASE_H
                     23: 
                     24: // all the internal structs
                     25: 
                     26: #include <pcmcia/config.h>
                     27: #include <pcmcia/k_compat.h>
                     28: #include "ringbuffy.h"
                     29: 
                     30: #include <linux/kernel.h>
                     31: #include <linux/config.h>
                     32: 
                     33: #include <linux/malloc.h>
                     34: #include <linux/vmalloc.h>
                     35: #include <linux/mm.h>
                     36: #include <linux/delay.h>
                     37: #include <linux/poll.h>
                     38: #include <linux/fs.h>
                     39: #include <linux/interrupt.h>
                     40: #include <linux/tqueue.h>
                     41: #include <asm/io.h>
                     42: #include <asm/byteorder.h>
                     43: 
                     44: 
                     45: // List of pci cards in the system
                     46: 
                     47: #include "cvdvtypes.h"
                     48: 
                     49: #define DVERSION             "0.42"
                     50: #define SHORTDEVNAME        "ConvDVD"
                     51: #define MEDDEVNAME          "convergence DVD"
                     52: #define LONGDEVNAME         "convergence DVD Video Decoder"
                     53: #define LOGNAME             "convdvd"
                     54: #define NBBUF 32
                     55: 
                     56: // Character device definitions
                     57: // char dev name
                     58: #define CVDV_PROCNAME     "msc"        // Media Stream Consumer
                     59: // got to get another number
                     60: #define CVDV_MAJOR        200  // 0=dynamic assignment
                     61: 
                     62: // Author definitions
                     63: #define NAME                "Christian Wolff"
                     64: #define EMAIL               "scarabaeus@convergence.de"
                     65: #define COMPANY             "convergence integrated media GmbH"
                     66: #define AUTHOR              NAME " <" EMAIL "> " COMPANY
                     67: 
                     68: #define MAXDEV            1    // maximum number of cards, distance between minor devices
                     69: 
                     70: #define MINORNUM          (256/MAXDEV) // number of minor devices
                     71: 
                     72: #define NAVISIZE 1024          // size of one navi block
                     73: #define NAVIBUFFERSIZE NAVISIZE*10     // size of ten navi blocks
                     74: 
                     75: #define BLANK 0xFFFFFFFF
                     76: 
                     77: #define FIFO_MASK 1023
                     78: 
                     79: #define CCIR601Lines(system) (((system==NTSC) || (system==NTSC60) || (system==PALM) || (system==PALM60) || (system==PAL60))?525:625)
                     80: 
                     81: // default video mode
                     82: #define VIDEO_MODE PAL
                     83: //#define VIDEO_MODE NTSC
                     84: 
                     85: struct DRAMBlock {
                     86:        u32 start;              // start address of the block; (21 bit word address, 64 bit aligned)
                     87:        u32 length;             // length of the block (in 16 bit words)
                     88:        struct DRAMBlock *next; // chain link
                     89: };
                     90: 
                     91: struct CSS {
                     92:        u8 status;              // interrupt status from Register 0x0B0
                     93:        int ChallengeReady;     // 1 if challenge data valid
                     94:        u8 challenge[10];       // challenge data
                     95:        int ResponseReady;      // 1 if response data valid
                     96:        u8 response[5];         // response data
                     97:        int DiskKey;            // 1 if disk key extraction complete
                     98:        int TitleKey;           // 1 if title key decryption complete
                     99:        int Error;              // 1 if authentication or disc key extraction
                    100:        int TitleKeyDiff;       // 1 if title key different from previous
                    101: };
                    102: 
                    103: struct GOPHeader {
                    104:        int valid;              // 1: struct contains valid data
                    105:        int timecode;
                    106:        int closedgop;
                    107:        int brokenlink;
                    108: };
                    109: 
                    110: struct SequenceHeader {
                    111:        int valid;              // 1: struct contains valid data
                    112:        int hsize;
                    113:        int vsize;
                    114:        int aspectratio;
                    115:        int frameratecode;
                    116:        int bitrate;
                    117:        int vbvbuffersize;
                    118:        int constrained;
                    119: };
                    120: 
                    121: struct SequenceExtension {
                    122:        int valid;              // 1: struct contains valid data
                    123:        int profilelevel;
                    124:        int progressive;
                    125:        int chroma;
                    126:        int hsizeext;
                    127:        int vsizeext;
                    128:        int bitrateext;
                    129:        int vbvbuffersizeext;
                    130:        int lowdelay;
                    131:        int frextn;
                    132:        int frextd;
                    133: };
                    134: 
                    135: struct AudioMPEG {
                    136:        int present;            // true: MPEG audio stream present
                    137:        int MPEG2;              // 0:MPEG1 Audio
                    138:        int layer;              // 1..3 (I..III)
                    139:        int bitrate;            // 0=free, 32-448 kbps
                    140:        int samplefreq;         // 32,44,48 (44 eq. 44.1)
                    141:        int mode;               // 0=stereo 1=joint-stereo 2=dualchannel 3=single channel (just right channel)
                    142:        int modeext;            // Layer I&II: intensity stereo subbands  Layer III: bit 0=intensity stereo, bit 1=ms-stereo
                    143:        int copyright;          // true=copyrighted material
                    144:        int original;           // 0=copy true=original
                    145:        int emphasis;           // 0=no emph. 1=50/15usec 3=CCITT J.17
                    146: };
                    147: 
                    148: struct AudioAC3 {
                    149:        int present;            // 1: AC3 audio stream present
                    150:        int acmod;              // parameters from the AC3 documentation
                    151:        int bsmod;
                    152:        int dialnorm;
                    153:        int dialnorm2;
                    154:        int surmixlev;
                    155:        int mixlevel;
                    156:        int cmixlev;
                    157:        int mixlevel2;
                    158:        int fscod;
                    159:        int lfeon;
                    160:        int bsid;
                    161:        int dsurmod;
                    162:        int frmsizecod;
                    163:        int langcod;
                    164:        int langcod2;
                    165:        int timecod;
                    166:        int roomtyp;
                    167:        int timecod2;
                    168:        int roomtyp2;
                    169: };
                    170: 
                    171: struct AudioPCM {
                    172:        int present;            // 1: PCM audio stream present
                    173:        int audio_frm_num;
                    174:        int num_of_audio_ch;
                    175:        int Fs;
                    176:        int quantization;
                    177:        int emphasis;
                    178:        int mute_bit;
                    179: };
                    180: 
                    181: struct AudioParam {
                    182:        int valid;
                    183:        struct AudioMPEG mpeg;
                    184:        struct AudioAC3 ac3;
                    185:        struct AudioPCM pcm;
                    186: };
                    187: 
                    188: struct OSDPicture {            // all u32 pointers are 21 bit word addresses 
                    189:        int open;               // are the buffers initialized?
                    190:        int width;              // frame width
                    191:        int height;             // frame height
                    192:        int bpp;                // bit per pixel
                    193:        int evenfirst;          // first line is in even field
                    194:        int aspectratio;        // pixel aspect ratio: 11/aspectratio
                    195:        int oddheight;          // height of the odd field
                    196:        u32 oddmem;             // DRAM address of allocated memory
                    197:        u32 odddata;            // data (=header) pointer
                    198:        u32 oddpalette;         // pointer to palette inside data
                    199:        u32 oddbitmap;          // pointer to bitmap inside data
                    200:        u32 oddterm;            // pointer to termination header
                    201:        int evenheight;         // height of the even field
                    202:        u32 evenmem;            // DRAM address of allocated memory
                    203:        u32 evendata;           // data (=header) pointer
                    204:        u32 evenpalette;        // pointer to palette inside data
                    205:        u32 evenbitmap;         // pointer to bitmap inside data
                    206:        u32 eventerm;           // pointer to termination header
                    207: };
                    208: 
                    209: struct StreamInfo {
                    210:        int valid;              // 1: struct contains valid data
                    211:        int MPEG2;              // 0: MPEG1/ISO11172  1: MPEG2/ISO13818
                    212:        int hsize;              // overall hsize (hsize&hsizeext)
                    213:        int vsize;              // overall vsize (vsize&vsizeext)
                    214:        int bitrate;            // overall bitrate (bitrate&bitrateext)
                    215:        int vbvbuffersize;      // overall...
                    216:        struct GOPHeader gop;
                    217:        struct SequenceHeader sh;
                    218:        struct SequenceExtension se;
                    219:        struct AudioParam audio;
                    220: };
                    221: 
                    222: struct StreamSetup {           // user selected parameters for the stream playback
                    223:        stream_type streamtype; // what is the type of our input stream?
                    224:        audio_type audioselect; // 0=auto/unknown 1=MPEG 2=LPCM 3=AC3
                    225:        int videoID;            // stream ID of the video ES, -1 for any
                    226:        int audioID;            // stream ID of the audio ES, -1 for any
                    227:        int audioIDext;         // stream ID of the audio extension ES, -1 for none
                    228:        int SPDIFmode;          // 0:MPEG/AC3 data on digital S/PDIF out 1:IEC956 data on digital S/PDIF out
                    229: };
                    230: 
1.2     ! rjkm      231: #define MAX_PTS 64
1.1       cvs       232: 
                    233: typedef struct PTSRecord {
                    234:        int begin;
                    235:        int end;
                    236:        int size;
                    237:        u32 LastAddr;
                    238:        u32 AddrB[MAX_PTS];
                    239:        u32 AddrE[MAX_PTS];
                    240:        u32 PTS[MAX_PTS];
                    241: } PTSStorage;
                    242: 
                    243: struct cvdv_cards {
                    244:        struct cvdv_cards *next;
                    245:        //  struct video_device       video;
                    246:        void *margi;
                    247:        struct bus_operations *bus;
                    248:        u_char scl;
                    249:        u_char sda;
                    250:        int i2c_addr;
                    251:        u32 VideoESSize;                
                    252:        u32 AudioESSize;                
                    253:        u32 VideoPESSize;               
                    254:        u32 DataDumpSize;               
                    255:        u32 AudioPESSize;               
                    256:        u32 NaviBankSize;               
                    257:        int currentAThread;
                    258:        int currentBThread;
                    259:        int currentType;
                    260:        u32 lengthB[NBBUF];
                    261:        u32 posB[NBBUF];
                    262:        u32 lengthA[NBBUF];
                    263:        u32 posA[NBBUF];
                    264:        ringbuffy rbuf;
                    265:        int use_ring;
                    266: 
                    267:        //  struct video_device   video;
                    268:        u8 *addr;
                    269:        unsigned int size;
                    270:        unsigned int minor;
                    271:        struct DRAMBlock *DRAMFirstBlock;
                    272:        u32 DRAMSize;
                    273:        struct OSDPicture OSD;
                    274:        int DMAABusy;           // Is the DMA A currently in use?
                    275:        int DMABBusy;           // Is the DMA B currently in use?
                    276:        int IntInstalled;       // is the card interrupt routine installed?
                    277:        int ChannelBuffersAllocated;    // Are the channel buffers for the decoder allocated?
                    278:        u32 VideoES;            // 21 bit word address of the allocated channel
                    279:        u32 AudioES;            // 21 bit word address of the allocated channel
                    280:        u32 VideoPES;           // 21 bit word address of the allocated channel
                    281:        u32 DataDump;           // 21 bit word address of the allocated channel
                    282:        u32 AudioPES;           // 21 bit word address of the allocated channel
                    283:        u32 NaviBank;           // 21 bit word address of the allocated channel
                    284:        int FrameBuffersAllocated;      // Are the frame buffers for the decoder allocated?
                    285:        u32 FrameStoreLuma1;    // 21 bit word address of the allocated frame
                    286:        u32 FrameStoreChroma1;  // 21 bit word address of the allocated frame
                    287:        u32 FrameStoreLuma2;    // 21 bit word address of the allocated frame
                    288:        u32 FrameStoreChroma2;  // 21 bit word address of the allocated frame
                    289:        u32 FrameStoreLumaB;    // 21 bit word address of the allocated frame
                    290:        u32 FrameStoreChromaB;  // 21 bit word address of the allocated frame
                    291:        int DecoderOpen;        // Is the Decoder initialized?
                    292:        u16 AuxFifo[FIFO_MASK + 1];     // Auxiliary Fifo Data
                    293:        int AuxFifoHead;        // Auxiliary Fifo Position
                    294:        int AuxFifoTail;        // Auxiliary Fifo Position
                    295:        u16 DataFifo[FIFO_MASK + 1];    // Data Fifo Data
                    296:        int DataFifoHead;       // Data Fifo Position
                    297:        int DataFifoTail;       // Data Fifo Position
                    298:        int FifoALast;          // last used thread of FIFO A
                    299:        int FifoBLast;          // last used thread of FIFO B
                    300:        videosystem videomode;  // current video output mode, PAL or NTSC
                    301:        struct StreamInfo stream;       // header information of the current stream
                    302:        struct StreamSetup setup;       // should be filled bevor sending data, but default is OK
                    303:        int AuxFifoExt;         // used by Aux FIFO parser
                    304:        int AuxFifoLayer;       //  "   "   "   "     "
                    305:        int AudioInitialized;   // Is the Audio set up?
                    306:        int AudioOldMode;       // remainder of the previous mode while trickmodes, or -1
                    307:        int open[MINORNUM];     // is the 64017 initialized and the video out active?
                    308:        int closing;            // 1 if char device closed, but DMA still running
                    309:        int startingV;          // 1 if card is waiting for the Video ES buffer to fill up, to start the decoder
                    310:        int startingA;          // 1 if card is waiting for the Audio ES buffer to fill up, to start the decoder
                    311:        int startingDVDV;       // 1 if card is waiting for the Video ES buffer to fill up, to start the decoder
                    312:        int startingDVDA;       // 1 if card is waiting for the Audio ES buffer to fill up, to start the decoder
                    313:        int channelrun;         // 1 if channel has been started by the host
                    314:        u8 *channelA;           // Buffer for channel A
                    315:        int channelAthread;     // currently filled thread
                    316:        int channelApos;        // write position in buffer
                    317:        u8 *channelB;           // Buffer for channel B
                    318:        int channelBthread;     // currently filled thread
                    319:        int channelBpos;        // write position in buffer
                    320:        int fields;             // counter of video fields, debugging only
                    321:        struct CSS css;         // CSS data
                    322:        u32 NaviPackAddress;    // Read address of the Navi Pack Buffer
                    323:        wait_queue_head_t wqA;
                    324:        wait_queue_head_t wqB;
                    325:        int threadAthreads;
                    326:        u8 *threadA[NBBUF];
                    327:        u32 threadAsize;
                    328:        int threadBthreads;
                    329:        u8 *threadB[NBBUF];
                    330:        u32 threadBsize;
                    331:        struct tq_struct tqueue_decoder;
                    332:        struct tq_struct tqueue_dma;
                    333:        u8 bt864reg[128];       // Bt864/865 register mirror
                    334:        u8 navibuffer[NAVIBUFFERSIZE];
                    335:        int navihead;
                    336:        int navitail;
                    337:        int intdecodestatus;
                    338:        int showvideo;
                    339:        int slowdown;
                    340:        int lastslow;
                    341:        int videosteps;
                    342:        int videodelay;
                    343:        int videorip;
                    344:        int videosync;
                    345:        PTSStorage VideoPTSStore;
                    346:        PTSStorage AudioPTSStore;
                    347:        u32 LastAddr;
                    348:        u32 VPTS;
                    349:        u32 oldVPTS;
                    350:        long VSCR;
                    351:        u32 APTS;
                    352:        u32 oldAPTS;
                    353:        long ASCR;
                    354:        long SyncTime;
                    355:        int paused;
                    356:        u16 lastvattr;
                    357:        u16 lastaattr;
                    358:        u8 reg07B;              // mirrors of write-only register
                    359:        u8 reg08F;
                    360:        u8 reg090;
                    361:        u8 reg091;
                    362:        u8 reg092;
                    363:        u8 reg093;
                    364:        u8 highlight[10];       // content of registers 1C0 thru 1C0, to be written after next BAV int.
                    365:        int highlight_valid;    // if 1
                    366:        int do_flush;           // if 1, send flush packet after last transfer done
                    367: };
                    368: 
                    369: extern u8 FlushPacket[32];
                    370: 
                    371: extern struct cvdv_cards *first_card;
                    372: extern struct cvdv_cards *minorlist[MAXDEV];
                    373: 
                    374: void DecoderStreamReset(struct cvdv_cards *card);
                    375: 
                    376: void DecoderSetupReset(struct cvdv_cards *card);
                    377: 
                    378: void DecoderCSSReset(struct cvdv_cards *card);
                    379: 
                    380: void card_init(struct cvdv_cards *card, unsigned int minor);
                    381: 
                    382: #endif                         /* CARDBASE_H */

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