diff options
Diffstat (limited to 'drivers/net/3c505.h')
| -rw-r--r-- | drivers/net/3c505.h | 178 |
1 files changed, 148 insertions, 30 deletions
diff --git a/drivers/net/3c505.h b/drivers/net/3c505.h index ecb5f902a..17b0b2fd6 100644 --- a/drivers/net/3c505.h +++ b/drivers/net/3c505.h @@ -7,56 +7,56 @@ /* * I/O register offsets */ -#define PORT_COMMAND 0x00 /* read/write */ -#define PORT_STATUS 0x02 /* read only */ -#define PORT_AUXDMA 0x02 /* write only */ -#define PORT_DATA 0x04 /* read/write */ -#define PORT_CONTROL 0x06 /* read/write */ +#define PORT_COMMAND 0x00 /* read/write, 8-bit */ +#define PORT_STATUS 0x02 /* read only, 8-bit */ +#define PORT_AUXDMA 0x02 /* write only, 8-bit */ +#define PORT_DATA 0x04 /* read/write, 16-bit */ +#define PORT_CONTROL 0x06 /* read/write, 8-bit */ /* * host control registers bits */ -#define CONTROL_ATTN 0x80 /* attention */ -#define CONTROL_FLSH 0x40 /* flush data register */ -#define CONTROL_DMAE 0x20 /* DMA enable */ -#define CONTROL_DIR 0x10 /* direction */ -#define CONTROL_TCEN 0x08 /* terminal count interrupt enable */ -#define CONTROL_CMDE 0x04 /* command register interrupt enable */ -#define CONTROL_HSF2 0x02 /* host status flag 2 */ -#define CONTROL_HSF1 0x01 /* host status flag 1 */ +#define ATTN 0x80 /* attention */ +#define FLSH 0x40 /* flush data register */ +#define DMAE 0x20 /* DMA enable */ +#define DIR 0x10 /* direction */ +#define TCEN 0x08 /* terminal count interrupt enable */ +#define CMDE 0x04 /* command register interrupt enable */ +#define HSF2 0x02 /* host status flag 2 */ +#define HSF1 0x01 /* host status flag 1 */ /* * combinations of HSF flags used for PCB transmission */ -#define HSF_PCB_ACK (CONTROL_HSF1) -#define HSF_PCB_NAK (CONTROL_HSF2) -#define HSF_PCB_END (CONTROL_HSF2|CONTROL_HSF1) -#define HSF_PCB_MASK (CONTROL_HSF2|CONTROL_HSF1) +#define HSF_PCB_ACK HSF1 +#define HSF_PCB_NAK HSF2 +#define HSF_PCB_END (HSF2|HSF1) +#define HSF_PCB_MASK (HSF2|HSF1) /* * host status register bits */ -#define STATUS_HRDY 0x80 /* data register ready */ -#define STATUS_HCRE 0x40 /* command register empty */ -#define STATUS_ACRF 0x20 /* adapter command register full */ -#define STATUS_DIR 0x10 /* direction */ -#define STATUS_DONE 0x08 /* DMA done */ -#define STATUS_ASF3 0x04 /* adapter status flag 3 */ -#define STATUS_ASF2 0x02 /* adapter status flag 2 */ -#define STATUS_ASF1 0x01 /* adapter status flag 1 */ +#define HRDY 0x80 /* data register ready */ +#define HCRE 0x40 /* command register empty */ +#define ACRF 0x20 /* adapter command register full */ +/* #define DIR 0x10 direction - same as in control register */ +#define DONE 0x08 /* DMA done */ +#define ASF3 0x04 /* adapter status flag 3 */ +#define ASF2 0x02 /* adapter status flag 2 */ +#define ASF1 0x01 /* adapter status flag 1 */ /* * combinations of ASF flags used for PCB reception */ -#define ASF_PCB_ACK (STATUS_ASF1) -#define ASF_PCB_NAK (STATUS_ASF2) -#define ASF_PCB_END (STATUS_ASF2|STATUS_ASF1) -#define ASF_PCB_MASK (STATUS_ASF2|STATUS_ASF1) +#define ASF_PCB_ACK ASF1 +#define ASF_PCB_NAK ASF2 +#define ASF_PCB_END (ASF2|ASF1) +#define ASF_PCB_MASK (ASF2|ASF1) /* * host aux DMA register bits */ -#define AUXDMA_BRST 0x01 /* DMA burst */ +#define DMA_BRST 0x01 /* DMA burst */ /* * maximum amount of data data allowed in a PCB @@ -123,3 +123,121 @@ enum { CMD_ADAPTER_INFO_RESPONSE = 0x41 }; +/* Definitions for the PCB data structure */ + +/* Data units */ +typedef unsigned char byte; +typedef unsigned short int word; +typedef unsigned long int dword; + +/* Data structures */ +struct Memconf { + word cmd_q, + rcv_q, + mcast, + frame, + rcv_b, + progs; +}; + +struct Rcv_pkt { + word buf_ofs, + buf_seg, + buf_len, + timeout; +}; + +struct Xmit_pkt { + word buf_ofs, + buf_seg, + pkt_len; +}; + +struct Rcv_resp { + word buf_ofs, + buf_seg, + buf_len, + pkt_len, + timeout, + status; + dword timetag; +}; + +struct Xmit_resp { + word buf_ofs, + buf_seg, + c_stat, + status; +}; + + +struct Netstat { + dword tot_recv, + tot_xmit; + word err_CRC, + err_align, + err_res, + err_ovrrun; +}; + + +struct Selftest { + word error; + union { + word ROM_cksum; + struct { + word ofs, seg; + } RAM; + word i82586; + } failure; +}; + +struct Info { + byte minor_vers, + major_vers; + word ROM_cksum, + RAM_sz, + free_ofs, + free_seg; +}; + +struct Memdump { + word size, + off, + seg; +}; + +/* +Primary Command Block. The most important data structure. All communication +between the host and the adapter is done with these. (Except for the actual +ethernet data, which has different packaging.) +*/ +typedef struct { + byte command; + byte length; + union { + struct Memconf memconf; + word configure; + struct Rcv_pkt rcv_pkt; + struct Xmit_pkt xmit_pkt; + byte multicast[10][6]; + byte eth_addr[6]; + byte failed; + struct Rcv_resp rcv_resp; + struct Xmit_resp xmit_resp; + struct Netstat netstat; + struct Selftest selftest; + struct Info info; + struct Memdump memdump; + byte raw[62]; + } data; +} pcb_struct; + +/* These defines for 'configure' */ +#define RECV_STATION 0x00 +#define RECV_BROAD 0x01 +#define RECV_MULTI 0x02 +#define RECV_PROMISC 0x04 +#define NO_LOOPBACK 0x00 +#define INT_LOOPBACK 0x08 +#define EXT_LOOPBACK 0x10 |