125 lines
3 KiB
C
125 lines
3 KiB
C
/* Lml 22 driver */
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#define MJPG_VERSION "LML33 v0.2"
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#define NLML 2
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/*
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* The following values can be modified to tune/set default behaviour of the
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* driver.
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*/
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/* The number of uS delay in I2C state transitions (probably >= 10) */
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#define I2C_DELAY 50
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/* The amount of spinning to do before the I2C bus is timed out */
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#define I2C_TIMEOUT 10000000
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/* The amount of spinning to do before the guest bus is timed out */
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#define GUEST_TIMEOUT 10000000
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/*
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* The amount of spinning to do before the polling of the still
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* transfer port is aborted.
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*/
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#define STILL_TIMEOUT 1000000
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/*
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* The following number is the maximum number of cards permited. Each
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* card found is mapped to a device minor number starting from 0.
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*/
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#define MAX_CARDS 1
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/* The following are the datastructures needed by the device. */
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#define I2C_BUS 0x044
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/* which bit of I2C_BUS is which */
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#define I2C_SCL 1
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#define I2C_SDA 2
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#define INTR_JPEGREP 0x08000000
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#define INTR_GIRQ0 0x20000000
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#define INTR_STAT 0x03c
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/* A Device records the properties of the various card types supported. */
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typedef struct {
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int number; /* The H33_CARDTYPE_ assigned */
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char *card_name; /* A string name */
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int zr060addr; /* Which guest bus address for the ZR36060 */
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} Device;
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/*
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* The remainder of the #defs are constants which should not need changing.
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*
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* The PCI vendor and device ids of the zoran chipset on the dc30.
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* these really belong in pci.h.
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*/
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#define VENDOR_ZORAN 0x11de
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#define ZORAN_36057 0x6057
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#define ZORAN_36067 ZORAN_36057
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#define BT819Addr 0x8a
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#define BT856Addr 0x88
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#define NBUF 4
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#define FRAGM_FINAL_B 1
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#define STAT_BIT 1
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typedef struct HdrFragment HdrFragment;
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typedef struct FrameHeader FrameHeader;
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typedef union Fragment Fragment;
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typedef struct FragmentTable FragmentTable;
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typedef struct CodeData CodeData;
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/* If we're on a little endian architecture, then 0xFF, 0xD8 byte sequence is */
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#define MRK_SOI 0xD8FF
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#define MRK_APP3 0xE3FF
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#define APP_NAME "LML"
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struct FrameHeader { /* Don't modify this struct, used by h/w */
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ushort mrkSOI;
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ushort mrkAPP3;
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ushort lenAPP3;
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char nm[4];
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ushort frameNo;
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vlong ftime;
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ulong frameSize;
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ushort frameSeqNo;
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ushort SOIfiller;
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};
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#define FRAGSIZE (128*1024)
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union Fragment {
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FrameHeader fh;
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char fb[FRAGSIZE];
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};
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struct HdrFragment {
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uchar hdr[sizeof(FrameHeader)];
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Fragment;
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};
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struct FragmentTable { /* Don't modify this struct, used by h/w */
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ulong addr; /* Physical address */
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ulong leng;
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};
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struct CodeData { /* Don't modify this struct, used by h/w */
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ulong pamjpg; /* Physical addr of statCom[0] */
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ulong pagrab; /* Physical addr of grab buffer */
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ulong statCom[4]; /* Physical addresses of fragdescs */
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FragmentTable fragdesc[4];
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HdrFragment frag[4];
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};
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enum{
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Codedatasize = (sizeof(CodeData) + BY2PG - 1) & ~(BY2PG - 1),
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Grabdatasize = (730 * 568 * 2 * 2 + BY2PG - 1) & ~(BY2PG - 1),
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};
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#define POST_OFFICE 0x200
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#define POST_PEND 0x02000000
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#define POST_TIME 0x01000000
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#define POST_DIR 0x00800000
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#define GID060 0
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