/* * sgiseeq.h: Defines for the Seeq8003 ethernet controller. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) */ #ifndef _SGISEEQ_H #define _SGISEEQ_H struct sgiseeq_wregs { volatile unsigned int multicase_high[2]; volatile unsigned int frame_gap; volatile unsigned int control; }; struct sgiseeq_rregs { volatile unsigned int collision_tx[2]; volatile unsigned int collision_all[2]; volatile unsigned int _unused0; volatile unsigned int rflags; }; struct sgiseeq_regs { union { volatile unsigned int eth_addr[6]; volatile unsigned int multicast_low[6]; struct sgiseeq_wregs wregs; struct sgiseeq_rregs rregs; } rw; volatile unsigned int rstat; volatile unsigned int tstat; }; /* Seeq8003 receive status register */ #define SEEQ_RSTAT_OVERF 0x001 /* Overflow */ #define SEEQ_RSTAT_CERROR 0x002 /* CRC error */ #define SEEQ_RSTAT_DERROR 0x004 /* Dribble error */ #define SEEQ_RSTAT_SFRAME 0x008 /* Short frame */ #define SEEQ_RSTAT_REOF 0x010 /* Received end of frame */ #define SEEQ_RSTAT_FIG 0x020 /* Frame is good */ #define SEEQ_RSTAT_TIMEO 0x040 /* Timeout, or late receive */ #define SEEQ_RSTAT_WHICH 0x080 /* Which status, 1=old 0=new */ #define SEEQ_RSTAT_LITTLE 0x100 /* DMA is done in little endian format */ #define SEEQ_RSTAT_SDMA 0x200 /* DMA has started */ #define SEEQ_RSTAT_ADMA 0x400 /* DMA is active */ #define SEEQ_RSTAT_ROVERF 0x800 /* Receive buffer overflow */ /* Seeq8003 receive command register */ #define SEEQ_RCMD_RDISAB 0x000 /* Disable receiver on the Seeq8003 */ #define SEEQ_RCMD_IOVERF 0x001 /* IRQ on buffer overflows */ #define SEEQ_RCMD_ICRC 0x002 /* IRQ on CRC errors */ #define SEEQ_RCMD_IDRIB 0x004 /* IRQ on dribble errors */ #define SEEQ_RCMD_ISHORT 0x008 /* IRQ on short frames */ #define SEEQ_RCMD_IEOF 0x010 /* IRQ on end of frame */ #define SEEQ_RCMD_IGOOD 0x020 /* IRQ on good frames */ #define SEEQ_RCMD_RANY 0x040 /* Receive any frame */ #define SEEQ_RCMD_RBCAST 0x080 /* Receive broadcasts */ #define SEEQ_RCMD_RBMCAST 0x0c0 /* Receive broadcasts/multicasts */ /* Seeq8003 transmit status register */ #define SEEQ_TSTAT_UFLOW 0x001 /* Transmit buffer underflow */ #define SEEQ_TSTAT_CLS 0x002 /* Collision detected */ #define SEEQ_TSTAT_R16 0x004 /* Did 16 retries to tx a frame */ #define SEEQ_TSTAT_PTRANS 0x008 /* Packet was transmitted ok */ #define SEEQ_TSTAT_LCLS 0x010 /* Late collision occurred */ #define SEEQ_TSTAT_WHICH 0x080 /* Which status, 1=old 0=new */ #define SEEQ_TSTAT_TLE 0x100 /* DMA is done in little endian format */ #define SEEQ_TSTAT_SDMA 0x200 /* DMA has started */ #define SEEQ_TSTAT_ADMA 0x400 /* DMA is active */ /* Seeq8003 transmit command register */ #define SEEQ_TCMD_RB0 0x00 /* Register bank zero w/station addr */ #define SEEQ_TCMD_IUF 0x01 /* IRQ on tx underflow */ #define SEEQ_TCMD_IC 0x02 /* IRQ on collisions */ #define SEEQ_TCMD_I16 0x04 /* IRQ after 16 failed attempts to tx frame */ #define SEEQ_TCMD_IPT 0x08 /* IRQ when packet successfully transmitted */ #define SEEQ_TCMD_RB1 0x20 /* Register bank one w/multi-cast low byte */ #define SEEQ_TCMD_RB2 0x40 /* Register bank two w/multi-cast high byte */ /* Seeq8003 control register */ #define SEEQ_CTRL_XCNT 0x01 #define SEEQ_CTRL_ACCNT 0x02 #define SEEQ_CTRL_SFLAG 0x04 #define SEEQ_CTRL_EMULTI 0x08 #define SEEQ_CTRL_ESHORT 0x10 #define SEEQ_CTRL_ENCARR 0x20 /* Seeq8003 control registers on the SGI Hollywood HPC. */ #define SEEQ_HPIO_P1BITS 0x00000001 /* cycles to stay in P1 phase for PIO */ #define SEEQ_HPIO_P2BITS 0x00000060 /* cycles to stay in P2 phase for PIO */ #define SEEQ_HPIO_P3BITS 0x00000100 /* cycles to stay in P3 phase for PIO */ #define SEEQ_HDMA_D1BITS 0x00000006 /* cycles to stay in D1 phase for DMA */ #define SEEQ_HDMA_D2BITS 0x00000020 /* cycles to stay in D2 phase for DMA */ #define SEEQ_HDMA_D3BITS 0x00000000 /* cycles to stay in D3 phase for DMA */ #define SEEQ_HDMA_TIMEO 0x00030000 /* cycles for DMA timeout */ #define SEEQ_HCTL_NORM 0x00000000 /* Normal operation mode */ #define SEEQ_HCTL_RESET 0x00000001 /* Reset Seeq8003 and HPC interface */ #define SEEQ_HCTL_IPEND 0x00000002 /* IRQ is pending for the chip */ #define SEEQ_HCTL_IPG 0x00001000 /* Inter-packet gap */ #define SEEQ_HCTL_RFIX 0x00002000 /* At rxdc, clear end-of-packet */ #define SEEQ_HCTL_EFIX 0x00004000 /* fixes intr status bit settings */ #define SEEQ_HCTL_IFIX 0x00008000 /* enable startup timeouts */ #endif /* !(_SGISEEQ_H) */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 397 | 99.75% | 2 | 66.67% |
| Justin P. Mattock | 1 | 0.25% | 1 | 33.33% |
| Total | 398 | 100.00% | 3 | 100.00% |