| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Finn Thain | 881 | 55.03% | 2 | 15.38% |
| Linus Torvalds (pre-git) | 674 | 42.10% | 5 | 38.46% |
| Wang Chen | 30 | 1.87% | 1 | 7.69% |
| Linus Torvalds | 8 | 0.50% | 1 | 7.69% |
| Geert Uytterhoeven | 4 | 0.25% | 1 | 7.69% |
| Jeff Garzik | 2 | 0.12% | 1 | 7.69% |
| Greg Kroah-Hartman | 1 | 0.06% | 1 | 7.69% |
| Kees Cook | 1 | 0.06% | 1 | 7.69% |
| Total | 1601 | 13 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Header file for sonic.c * * (C) Waldorf Electronics, Germany * Written by Andreas Busse * * NOTE: most of the structure definitions here are endian dependent. * If you want to use this driver on big endian machines, the data * and pad structure members must be exchanged. Also, the structures * need to be changed accordingly to the bus size. * * 981229 MSch: did just that for the 68k Mac port (32 bit, big endian) * * 990611 David Huggins-Daines <dhd@debian.org>: This machine abstraction * does not cope with 16-bit bus sizes very well. Therefore I have * rewritten it with ugly macros and evil inlines. * * 050625 Finn Thain: introduced more 32-bit cards and dhd's support * for 16-bit cards (from the mac68k project). */ #ifndef SONIC_H #define SONIC_H /* * SONIC register offsets */ #define SONIC_CMD 0x00 #define SONIC_DCR 0x01 #define SONIC_RCR 0x02 #define SONIC_TCR 0x03 #define SONIC_IMR 0x04 #define SONIC_ISR 0x05 #define SONIC_UTDA 0x06 #define SONIC_CTDA 0x07 #define SONIC_URDA 0x0d #define SONIC_CRDA 0x0e #define SONIC_EOBC 0x13 #define SONIC_URRA 0x14 #define SONIC_RSA 0x15 #define SONIC_REA 0x16 #define SONIC_RRP 0x17 #define SONIC_RWP 0x18 #define SONIC_RSC 0x2b #define SONIC_CEP 0x21 #define SONIC_CAP2 0x22 #define SONIC_CAP1 0x23 #define SONIC_CAP0 0x24 #define SONIC_CE 0x25 #define SONIC_CDP 0x26 #define SONIC_CDC 0x27 #define SONIC_WT0 0x29 #define SONIC_WT1 0x2a #define SONIC_SR 0x28 /* test-only registers */ #define SONIC_TPS 0x08 #define SONIC_TFC 0x09 #define SONIC_TSA0 0x0a #define SONIC_TSA1 0x0b #define SONIC_TFS 0x0c #define SONIC_CRBA0 0x0f #define SONIC_CRBA1 0x10 #define SONIC_RBWC0 0x11 #define SONIC_RBWC1 0x12 #define SONIC_TTDA 0x20 #define SONIC_MDT 0x2f #define SONIC_TRBA0 0x19 #define SONIC_TRBA1 0x1a #define SONIC_TBWC0 0x1b #define SONIC_TBWC1 0x1c #define SONIC_LLFA 0x1f #define SONIC_ADDR0 0x1d #define SONIC_ADDR1 0x1e /* * Error counters */ #define SONIC_CRCT 0x2c #define SONIC_FAET 0x2d #define SONIC_MPT 0x2e #define SONIC_DCR2 0x3f /* * SONIC command bits */ #define SONIC_CR_LCAM 0x0200 #define SONIC_CR_RRRA 0x0100 #define SONIC_CR_RST 0x0080 #define SONIC_CR_ST 0x0020 #define SONIC_CR_STP 0x0010 #define SONIC_CR_RXEN 0x0008 #define SONIC_CR_RXDIS 0x0004 #define SONIC_CR_TXP 0x0002 #define SONIC_CR_HTX 0x0001 /* * SONIC data configuration bits */ #define SONIC_DCR_EXBUS 0x8000 #define SONIC_DCR_LBR 0x2000 #define SONIC_DCR_PO1 0x1000 #define SONIC_DCR_PO0 0x0800 #define SONIC_DCR_SBUS 0x0400 #define SONIC_DCR_USR1 0x0200 #define SONIC_DCR_USR0 0x0100 #define SONIC_DCR_WC1 0x0080 #define SONIC_DCR_WC0 0x0040 #define SONIC_DCR_DW 0x0020 #define SONIC_DCR_BMS 0x0010 #define SONIC_DCR_RFT1 0x0008 #define SONIC_DCR_RFT0 0x0004 #define SONIC_DCR_TFT1 0x0002 #define SONIC_DCR_TFT0 0x0001 /* * Constants for the SONIC receive control register. */ #define SONIC_RCR_ERR 0x8000 #define SONIC_RCR_RNT 0x4000 #define SONIC_RCR_BRD 0x2000 #define SONIC_RCR_PRO 0x1000 #define SONIC_RCR_AMC 0x0800 #define SONIC_RCR_LB1 0x0400 #define SONIC_RCR_LB0 0x0200 #define SONIC_RCR_MC 0x0100 #define SONIC_RCR_BC 0x0080 #define SONIC_RCR_LPKT 0x0040 #define SONIC_RCR_CRS 0x0020 #define SONIC_RCR_COL 0x0010 #define SONIC_RCR_CRCR 0x0008 #define SONIC_RCR_FAER 0x0004 #define SONIC_RCR_LBK 0x0002 #define SONIC_RCR_PRX 0x0001 #define SONIC_RCR_LB_OFF 0 #define SONIC_RCR_LB_MAC SONIC_RCR_LB0 #define SONIC_RCR_LB_ENDEC SONIC_RCR_LB1 #define SONIC_RCR_LB_TRANS (SONIC_RCR_LB0 | SONIC_RCR_LB1) /* default RCR setup */ #define SONIC_RCR_DEFAULT (SONIC_RCR_BRD) /* * SONIC Transmit Control register bits */ #define SONIC_TCR_PINTR 0x8000 #define SONIC_TCR_POWC 0x4000 #define SONIC_TCR_CRCI 0x2000 #define SONIC_TCR_EXDIS 0x1000 #define SONIC_TCR_EXD 0x0400 #define SONIC_TCR_DEF 0x0200 #define SONIC_TCR_NCRS 0x0100 #define SONIC_TCR_CRLS 0x0080 #define SONIC_TCR_EXC 0x0040 #define SONIC_TCR_PMB 0x0008 #define SONIC_TCR_FU 0x0004 #define SONIC_TCR_BCM 0x0002 #define SONIC_TCR_PTX 0x0001 #define SONIC_TCR_DEFAULT 0x0000 /* * Constants for the SONIC_INTERRUPT_MASK and * SONIC_INTERRUPT_STATUS registers. */ #define SONIC_INT_BR 0x4000 #define SONIC_INT_HBL 0x2000 #define SONIC_INT_LCD 0x1000 #define SONIC_INT_PINT 0x0800 #define SONIC_INT_PKTRX 0x0400 #define SONIC_INT_TXDN 0x0200 #define SONIC_INT_TXER 0x0100 #define SONIC_INT_TC 0x0080 #define SONIC_INT_RDE 0x0040 #define SONIC_INT_RBE 0x0020 #define SONIC_INT_RBAE 0x0010 #define SONIC_INT_CRC 0x0008 #define SONIC_INT_FAE 0x0004 #define SONIC_INT_MP 0x0002 #define SONIC_INT_RFO 0x0001 /* * The interrupts we allow. */ #define SONIC_IMR_DEFAULT ( SONIC_INT_BR | \ SONIC_INT_LCD | \ SONIC_INT_RFO | \ SONIC_INT_PKTRX | \ SONIC_INT_TXDN | \ SONIC_INT_TXER | \ SONIC_INT_RDE | \ SONIC_INT_RBAE | \ SONIC_INT_CRC | \ SONIC_INT_FAE | \ SONIC_INT_MP) #define SONIC_EOL 0x0001 #define CAM_DESCRIPTORS 16 /* Offsets in the various DMA buffers accessed by the SONIC */ #define SONIC_BITMODE16 0 #define SONIC_BITMODE32 1 #define SONIC_BUS_SCALE(bitmode) ((bitmode) ? 4 : 2) /* Note! These are all measured in bus-size units, so use SONIC_BUS_SCALE */ #define SIZEOF_SONIC_RR 4 #define SONIC_RR_BUFADR_L 0 #define SONIC_RR_BUFADR_H 1 #define SONIC_RR_BUFSIZE_L 2 #define SONIC_RR_BUFSIZE_H 3 #define SIZEOF_SONIC_RD 7 #define SONIC_RD_STATUS 0 #define SONIC_RD_PKTLEN 1 #define SONIC_RD_PKTPTR_L 2 #define SONIC_RD_PKTPTR_H 3 #define SONIC_RD_SEQNO 4 #define SONIC_RD_LINK 5 #define SONIC_RD_IN_USE 6 #define SIZEOF_SONIC_TD 8 #define SONIC_TD_STATUS 0 #define SONIC_TD_CONFIG 1 #define SONIC_TD_PKTSIZE 2 #define SONIC_TD_FRAG_COUNT 3 #define SONIC_TD_FRAG_PTR_L 4 #define SONIC_TD_FRAG_PTR_H 5 #define SONIC_TD_FRAG_SIZE 6 #define SONIC_TD_LINK 7 #define SIZEOF_SONIC_CD 4 #define SONIC_CD_ENTRY_POINTER 0 #define SONIC_CD_CAP0 1 #define SONIC_CD_CAP1 2 #define SONIC_CD_CAP2 3 #define SIZEOF_SONIC_CDA ((CAM_DESCRIPTORS * SIZEOF_SONIC_CD) + 1) #define SONIC_CDA_CAM_ENABLE (CAM_DESCRIPTORS * SIZEOF_SONIC_CD) /* * Some tunables for the buffer areas. Power of 2 is required * the current driver uses one receive buffer for each descriptor. * * MSch: use more buffer space for the slow m68k Macs! */ #define SONIC_NUM_RRS 16 /* number of receive resources */ #define SONIC_NUM_RDS SONIC_NUM_RRS /* number of receive descriptors */ #define SONIC_NUM_TDS 16 /* number of transmit descriptors */ #define SONIC_RDS_MASK (SONIC_NUM_RDS-1) #define SONIC_TDS_MASK (SONIC_NUM_TDS-1) #define SONIC_RBSIZE 1520 /* size of one resource buffer */ /* Again, measured in bus size units! */ #define SIZEOF_SONIC_DESC (SIZEOF_SONIC_CDA \ + (SIZEOF_SONIC_TD * SONIC_NUM_TDS) \ + (SIZEOF_SONIC_RD * SONIC_NUM_RDS) \ + (SIZEOF_SONIC_RR * SONIC_NUM_RRS)) /* Information that need to be kept for each board. */ struct sonic_local { /* Bus size. 0 == 16 bits, 1 == 32 bits. */ int dma_bitmode; /* Register offset within the longword (independent of endianness, and varies from one type of Macintosh SONIC to another (Aarrgh)) */ int reg_offset; void *descriptors; /* Crud. These areas have to be within the same 64K. Therefore we allocate a desriptors page, and point these to places within it. */ void *cda; /* CAM descriptor area */ void *tda; /* Transmit descriptor area */ void *rra; /* Receive resource area */ void *rda; /* Receive descriptor area */ struct sk_buff* volatile rx_skb[SONIC_NUM_RRS]; /* packets to be received */ struct sk_buff* volatile tx_skb[SONIC_NUM_TDS]; /* packets to be transmitted */ unsigned int tx_len[SONIC_NUM_TDS]; /* lengths of tx DMA mappings */ /* Logical DMA addresses on MIPS, bus addresses on m68k * (so "laddr" is a bit misleading) */ dma_addr_t descriptors_laddr; u32 cda_laddr; /* logical DMA address of CDA */ u32 tda_laddr; /* logical DMA address of TDA */ u32 rra_laddr; /* logical DMA address of RRA */ u32 rda_laddr; /* logical DMA address of RDA */ dma_addr_t rx_laddr[SONIC_NUM_RRS]; /* logical DMA addresses of rx skbuffs */ dma_addr_t tx_laddr[SONIC_NUM_TDS]; /* logical DMA addresses of tx skbuffs */ unsigned int rra_end; unsigned int cur_rwp; unsigned int cur_rx; unsigned int cur_tx; /* first unacked transmit packet */ unsigned int eol_rx; unsigned int eol_tx; /* last unacked transmit packet */ unsigned int next_tx; /* next free TD */ int msg_enable; struct device *device; /* generic device */ struct net_device_stats stats; }; #define TX_TIMEOUT (3 * HZ) /* Index to functions, as function prototypes. */ static int sonic_open(struct net_device *dev); static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev); static irqreturn_t sonic_interrupt(int irq, void *dev_id); static void sonic_rx(struct net_device *dev); static int sonic_close(struct net_device *dev); static struct net_device_stats *sonic_get_stats(struct net_device *dev); static void sonic_multicast_list(struct net_device *dev); static int sonic_init(struct net_device *dev); static void sonic_tx_timeout(struct net_device *dev); static void sonic_msg_init(struct net_device *dev); /* Internal inlines for reading/writing DMA buffers. Note that bus size and endianness matter here, whereas they don't for registers, as far as we can tell. */ /* OpenBSD calls this "SWO". I'd like to think that sonic_buf_put() is a much better name. */ static inline void sonic_buf_put(void* base, int bitmode, int offset, __u16 val) { if (bitmode) #ifdef __BIG_ENDIAN ((__u16 *) base + (offset*2))[1] = val; #else ((__u16 *) base + (offset*2))[0] = val; #endif else ((__u16 *) base)[offset] = val; } static inline __u16 sonic_buf_get(void* base, int bitmode, int offset) { if (bitmode) #ifdef __BIG_ENDIAN return ((volatile __u16 *) base + (offset*2))[1]; #else return ((volatile __u16 *) base + (offset*2))[0]; #endif else return ((volatile __u16 *) base)[offset]; } /* Inlines that you should actually use for reading/writing DMA buffers */ static inline void sonic_cda_put(struct net_device* dev, int entry, int offset, __u16 val) { struct sonic_local *lp = netdev_priv(dev); sonic_buf_put(lp->cda, lp->dma_bitmode, (entry * SIZEOF_SONIC_CD) + offset, val); } static inline __u16 sonic_cda_get(struct net_device* dev, int entry, int offset) { struct sonic_local *lp = netdev_priv(dev); return sonic_buf_get(lp->cda, lp->dma_bitmode, (entry * SIZEOF_SONIC_CD) + offset); } static inline void sonic_set_cam_enable(struct net_device* dev, __u16 val) { struct sonic_local *lp = netdev_priv(dev); sonic_buf_put(lp->cda, lp->dma_bitmode, SONIC_CDA_CAM_ENABLE, val); } static inline __u16 sonic_get_cam_enable(struct net_device* dev) { struct sonic_local *lp = netdev_priv(dev); return sonic_buf_get(lp->cda, lp->dma_bitmode, SONIC_CDA_CAM_ENABLE); } static inline void sonic_tda_put(struct net_device* dev, int entry, int offset, __u16 val) { struct sonic_local *lp = netdev_priv(dev); sonic_buf_put(lp->tda, lp->dma_bitmode, (entry * SIZEOF_SONIC_TD) + offset, val); } static inline __u16 sonic_tda_get(struct net_device* dev, int entry, int offset) { struct sonic_local *lp = netdev_priv(dev); return sonic_buf_get(lp->tda, lp->dma_bitmode, (entry * SIZEOF_SONIC_TD) + offset); } static inline void sonic_rda_put(struct net_device* dev, int entry, int offset, __u16 val) { struct sonic_local *lp = netdev_priv(dev); sonic_buf_put(lp->rda, lp->dma_bitmode, (entry * SIZEOF_SONIC_RD) + offset, val); } static inline __u16 sonic_rda_get(struct net_device* dev, int entry, int offset) { struct sonic_local *lp = netdev_priv(dev); return sonic_buf_get(lp->rda, lp->dma_bitmode, (entry * SIZEOF_SONIC_RD) + offset); } static inline void sonic_rra_put(struct net_device* dev, int entry, int offset, __u16 val) { struct sonic_local *lp = netdev_priv(dev); sonic_buf_put(lp->rra, lp->dma_bitmode, (entry * SIZEOF_SONIC_RR) + offset, val); } static inline __u16 sonic_rra_get(struct net_device* dev, int entry, int offset) { struct sonic_local *lp = netdev_priv(dev); return sonic_buf_get(lp->rra, lp->dma_bitmode, (entry * SIZEOF_SONIC_RR) + offset); } static const char version[] = "sonic.c:v0.92 20.9.98 tsbogend@alpha.franken.de\n"; #endif /* SONIC_H */
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