blob: af320e2c50793c6bb39995a55a1caa9f79897504 (
plain) (
tree)
|
|
/*
* Generic IEEE 1394 definitions
*/
#ifndef _IEEE1394_IEEE1394_H
#define _IEEE1394_IEEE1394_H
#define TCODE_WRITEQ 0x0
#define TCODE_WRITEB 0x1
#define TCODE_WRITE_RESPONSE 0x2
#define TCODE_READQ 0x4
#define TCODE_READB 0x5
#define TCODE_READQ_RESPONSE 0x6
#define TCODE_READB_RESPONSE 0x7
#define TCODE_CYCLE_START 0x8
#define TCODE_LOCK_REQUEST 0x9
#define TCODE_ISO_DATA 0xa
#define TCODE_STREAM_DATA 0xa
#define TCODE_LOCK_RESPONSE 0xb
#define RCODE_COMPLETE 0x0
#define RCODE_CONFLICT_ERROR 0x4
#define RCODE_DATA_ERROR 0x5
#define RCODE_TYPE_ERROR 0x6
#define RCODE_ADDRESS_ERROR 0x7
#define EXTCODE_MASK_SWAP 0x1
#define EXTCODE_COMPARE_SWAP 0x2
#define EXTCODE_FETCH_ADD 0x3
#define EXTCODE_LITTLE_ADD 0x4
#define EXTCODE_BOUNDED_ADD 0x5
#define EXTCODE_WRAP_ADD 0x6
#define ACK_COMPLETE 0x1
#define ACK_PENDING 0x2
#define ACK_BUSY_X 0x4
#define ACK_BUSY_A 0x5
#define ACK_BUSY_B 0x6
#define ACK_TARDY 0xb
#define ACK_CONFLICT_ERROR 0xc
#define ACK_DATA_ERROR 0xd
#define ACK_TYPE_ERROR 0xe
#define ACK_ADDRESS_ERROR 0xf
/* Non-standard "ACK codes" for internal use */
#define ACKX_NONE (-1)
#define ACKX_SEND_ERROR (-2)
#define ACKX_ABORTED (-3)
#define ACKX_TIMEOUT (-4)
#define IEEE1394_SPEED_100 0x00
#define IEEE1394_SPEED_200 0x01
#define IEEE1394_SPEED_400 0x02
#define IEEE1394_SPEED_800 0x03
#define IEEE1394_SPEED_1600 0x04
#define IEEE1394_SPEED_3200 0x05
#define IEEE1394_SPEED_MAX IEEE1394_SPEED_3200
/* Maps speed values above to a string representation */
extern const char *hpsb_speedto_str[];
/* 1394a cable PHY packets */
#define SELFID_PWRCL_NO_POWER 0x0
#define SELFID_PWRCL_PROVIDE_15W 0x1
#define SELFID_PWRCL_PROVIDE_30W 0x2
#define SELFID_PWRCL_PROVIDE_45W 0x3
#define SELFID_PWRCL_USE_1W 0x4
#define SELFID_PWRCL_USE_3W 0x5
#define SELFID_PWRCL_USE_6W 0x6
#define SELFID_PWRCL_USE_10W 0x7
#define SELFID_PORT_CHILD 0x3
#define SELFID_PORT_PARENT 0x2
#define SELFID_PORT_NCONN 0x1
#define SELFID_PORT_NONE 0x0
#define SELFID_SPEED_UNKNOWN 0x3 /* 1394b PHY */
#define PHYPACKET_LINKON 0x40000000
#define PHYPACKET_PHYCONFIG_R 0x00800000
#define PHYPACKET_PHYCONFIG_T 0x00400000
#define EXTPHYPACKET_TYPE_PING 0x00000000
#define EXTPHYPACKET_TYPE_REMOTEACCESS_BASE 0x00040000
#define EXTPHYPACKET_TYPE_REMOTEACCESS_PAGED 0x00140000
#define EXTPHYPACKET_TYPE_REMOTEREPLY_BASE 0x000C0000
#define EXTPHYPACKET_TYPE_REMOTEREPLY_PAGED 0x001C0000
#define EXTPHYPACKET_TYPE_REMOTECOMMAND 0x00200000
#define EXTPHYPACKET_TYPE_REMOTECONFIRMATION 0x00280000
#define EXTPHYPACKET_TYPE_RESUME 0x003C0000
#define EXTPHYPACKET_TYPEMASK 0xC0FC0000
#define PHYPACKET_PORT_SHIFT 24
#define PHYPACKET_GAPCOUNT_SHIFT 16
/* 1394a PHY register map bitmasks */
#define PHY_00_PHYSICAL_ID 0xFC
#define PHY_00_R 0x02 /* Root */
#define PHY_00_PS 0x01 /* Power Status*/
#define PHY_01_RHB 0x80 /* Root Hold-Off */
#define PHY_01_IBR 0x80 /* Initiate Bus Reset */
#define PHY_01_GAP_COUNT 0x3F
#define PHY_02_EXTENDED 0xE0 /* 0x7 for 1394a-compliant PHY */
#define PHY_02_TOTAL_PORTS 0x1F
#define PHY_03_MAX_SPEED 0xE0
#define PHY_03_DELAY 0x0F
#define PHY_04_LCTRL 0x80 /* Link Active Report Control */
#define PHY_04_CONTENDER 0x40
#define PHY_04_JITTER 0x38
#define PHY_04_PWR_CLASS 0x07 /* Power Class */
#define PHY_05_WATCHDOG 0x80
#define PHY_05_ISBR 0x40 /* Initiate Short Bus Reset */
#define PHY_05_LOOP 0x20 /* Loop Detect */
#define PHY_05_PWR_FAIL 0x10 /* Cable Power Failure Detect */
#define PHY_05_TIMEOUT 0x08 /* Arbitration State Machine Timeout */
#define PHY_05_PORT_EVENT 0x04 /* Port Event Detect */
#define PHY_05_ENAB_ACCEL 0x02 /* Enable Arbitration Acceleration */
#define PHY_05_ENAB_MULTI 0x01 /* Ena. Multispeed Packet Concatenation */
#include <asm/byteorder.h>
/* '1' '3' '9' '4' in ASCII */
#define IEEE1394_BUSID_MAGIC cpu_to_be32(0x31333934)
#ifdef __BIG_ENDIAN_BITFIELD
struct selfid {
u32 packet_identifier:2; /* always binary 10 */
u32 phy_id:6;
/* byte */
u32 extended:1; /* if true is struct ext_selfid */
u32 link_active:1;
u32 gap_count:6;
/* byte */
u32 speed:2;
u32 phy_delay:2;
u32 contender:1;
u32 power_class:3;
/* byte */
u32 port0:2;
u32 port1:2;
u32 port2:2;
u32 initiated_reset:1;
u32 more_packets:1;
} __attribute__((packed));
struct ext_selfid {
u32 packet_identifier:2; /* always binary 10 */
u32 phy_id:6;
/* byte */
u32 extended:1; /* if false is struct selfid */
u32 seq_nr:3;
u32 reserved:2;
u32 porta:2;
/* byte */
u32 portb:2;
u32 portc:2;
u32 portd:2;
u32 porte:2;
/* byte */
u32 portf:2;
u32 portg:2;
u32 porth:2;
u32 reserved2:1;
u32 more_packets:1;
} __attribute__((packed));
#elif defined __LITTLE_ENDIAN_BITFIELD /* __BIG_ENDIAN_BITFIELD */
/*
* Note: these mean to be bit fields of a big endian SelfID as seen on a little
* endian machine. Without swapping.
*/
struct selfid {
u32 phy_id:6;
u32 packet_identifier:2; /* always binary 10 */
/* byte */
u32 gap_count:6;
u32 link_active:1;
u32 extended:1; /* if true is struct ext_selfid */
/* byte */
u32 power_class:3;
u32 contender:1;
u32 phy_delay:2;
u32 speed:2;
/* byte */
u32 more_packets:1;
u32 initiated_reset:1;
u32 port2:2;
u32 port1:2;
u32 port0:2;
} __attribute__((packed));
struct ext_selfid {
u32 phy_id:6;
u32 packet_identifier:2; /* always binary 10 */
/* byte */
u32 porta:2;
u32 reserved:2;
u32 seq_nr:3;
u32 extended:1; /* if false is struct selfid */
/* byte */
u32 porte:2;
u32 portd:2;
u32 portc:2;
u32 portb:2;
/* byte */
u32 more_packets:1;
u32 reserved2:1;
u32 porth:2;
u32 portg:2;
u32 portf:2;
} __attribute__((packed));
#else
#error What? PDP endian?
#endif /* __BIG_ENDIAN_BITFIELD */
#endif /* _IEEE1394_IEEE1394_H */
|
