ref: 85ca0c9adc0d507b17f85b6de5227f533d9fb0b6
dir: /sys/src/9/pc/devlml.h/
/* Lml 22 driver */
#define MJPG_VERSION "LML33 v0.2"
#define NLML 2
/*
* The following values can be modified to tune/set default behaviour of the
* driver.
*/
/* The number of uS delay in I2C state transitions (probably >= 10) */
#define I2C_DELAY 50
/* The amount of spinning to do before the I2C bus is timed out */
#define I2C_TIMEOUT 10000000
/* The amount of spinning to do before the guest bus is timed out */
#define GUEST_TIMEOUT 10000000
/*
* The amount of spinning to do before the polling of the still
* transfer port is aborted.
*/
#define STILL_TIMEOUT 1000000
/*
* The following number is the maximum number of cards permited. Each
* card found is mapped to a device minor number starting from 0.
*/
#define MAX_CARDS 1
/* The following are the datastructures needed by the device. */
#define I2C_BUS 0x044
/* which bit of I2C_BUS is which */
#define I2C_SCL 1
#define I2C_SDA 2
#define INTR_JPEGREP 0x08000000
#define INTR_GIRQ0 0x20000000
#define INTR_STAT 0x03c
/* A Device records the properties of the various card types supported. */
typedef struct {
int number; /* The H33_CARDTYPE_ assigned */
char *card_name; /* A string name */
int zr060addr; /* Which guest bus address for the ZR36060 */
} Device;
/*
* The remainder of the #defs are constants which should not need changing.
*
* The PCI vendor and device ids of the zoran chipset on the dc30.
* these really belong in pci.h.
*/
#define VENDOR_ZORAN 0x11de
#define ZORAN_36057 0x6057
#define ZORAN_36067 ZORAN_36057
#define BT819Addr 0x8a
#define BT856Addr 0x88
#define NBUF 4
#define FRAGM_FINAL_B 1
#define STAT_BIT 1
typedef struct HdrFragment HdrFragment;
typedef struct FrameHeader FrameHeader;
typedef union Fragment Fragment;
typedef struct FragmentTable FragmentTable;
typedef struct CodeData CodeData;
/* If we're on a little endian architecture, then 0xFF, 0xD8 byte sequence is */
#define MRK_SOI 0xD8FF
#define MRK_APP3 0xE3FF
#define APP_NAME "LML"
struct FrameHeader { /* Don't modify this struct, used by h/w */
ushort mrkSOI;
ushort mrkAPP3;
ushort lenAPP3;
char nm[4];
ushort frameNo;
vlong ftime;
ulong frameSize;
ushort frameSeqNo;
ushort SOIfiller;
};
#define FRAGSIZE (128*1024)
union Fragment {
FrameHeader fh;
char fb[FRAGSIZE];
};
struct HdrFragment {
uchar hdr[sizeof(FrameHeader)];
Fragment;
};
struct FragmentTable { /* Don't modify this struct, used by h/w */
ulong addr; /* Physical address */
ulong leng;
};
struct CodeData { /* Don't modify this struct, used by h/w */
ulong pamjpg; /* Physical addr of statCom[0] */
ulong pagrab; /* Physical addr of grab buffer */
ulong statCom[4]; /* Physical addresses of fragdescs */
FragmentTable fragdesc[4];
HdrFragment frag[4];
};
enum{
Codedatasize = (sizeof(CodeData) + BY2PG - 1) & ~(BY2PG - 1),
Grabdatasize = (730 * 568 * 2 * 2 + BY2PG - 1) & ~(BY2PG - 1),
};
#define POST_OFFICE 0x200
#define POST_PEND 0x02000000
#define POST_TIME 0x01000000
#define POST_DIR 0x00800000
#define GID060 0