11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************************************** 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Definition of D-Link Ethernet Pocket adapter * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds **************************************************/ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D-Link Ethernet pocket adapter ports 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OK, so I'm cheating, but there are an awful lot of 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reads and writes in order to get anything in and out 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of the DE-600 with 4 bits at a time in the parallel port, 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * so every saved instruction really helps :-) 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef DE600_IO 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DE600_IO 0x378 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DATA_PORT (DE600_IO) 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS_PORT (DE600_IO + 1) 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define COMMAND_PORT (DE600_IO + 2) 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef DE600_IRQ 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DE600_IRQ 7 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It really should look like this, and autoprobing as well... 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DATA_PORT (dev->base_addr + 0) 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS_PORT (dev->base_addr + 1) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define COMMAND_PORT (dev->base_addr + 2) 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DE600_IRQ dev->irq 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D-Link COMMAND_PORT commands 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SELECT_NIC 0x04 /* select Network Interface Card */ 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SELECT_PRN 0x1c /* select Printer */ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NML_PRN 0xec /* normal Printer situation */ 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IRQEN 0x10 /* enable IRQ line */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D-Link STATUS_PORT 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_BUSY 0x80 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_GOOD 0x40 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TX_FAILED16 0x10 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TX_BUSY 0x08 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D-Link DATA_PORT commands 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * command in low 4 bits 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data in high 4 bits 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * select current data nibble with HI_NIBBLE bit 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WRITE_DATA 0x00 /* write memory */ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define READ_DATA 0x01 /* read memory */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS 0x02 /* read status register */ 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define COMMAND 0x03 /* write command register (see COMMAND below) */ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NULL_COMMAND 0x04 /* null command */ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_LEN 0x05 /* read received packet length */ 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TX_ADDR 0x06 /* set adapter transmit memory address */ 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RW_ADDR 0x07 /* set adapter read/write memory address */ 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HI_NIBBLE 0x08 /* read/write the high nibble of data, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds or-ed with rest of command */ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * command register, accessed through DATA_PORT with low bits = COMMAND 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_ALL 0x01 /* PROMISCUOUS */ 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_BP 0x02 /* default: BROADCAST & PHYSICAL ADDRESS */ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_MBP 0x03 /* MULTICAST, BROADCAST & PHYSICAL ADDRESS */ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TX_ENABLE 0x04 /* bit 2 */ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_ENABLE 0x08 /* bit 3 */ 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RESET 0x80 /* set bit 7 high */ 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STOP_RESET 0x00 /* set bit 7 low */ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data to command register 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (high 4 bits in write to DATA_PORT) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_PAGE2_SELECT 0x10 /* bit 4, only 2 pages to select */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RX_BASE_PAGE 0x20 /* bit 5, always set when specifying RX_ADDR */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLIP_IRQ 0x40 /* bit 6 */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D-Link adapter internal memory: 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 0-2K 1:st transmit page (send from pointer up to 2K) 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2-4K 2:nd transmit page (send from pointer up to 4K) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4-6K 1:st receive page (data from 4K upwards) 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 6-8K 2:nd receive page (data from 6K upwards) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 8K+ Adapter ROM (contains magic code and last 3 bytes of Ethernet address) 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MEM_2K 0x0800 /* 2048 */ 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MEM_4K 0x1000 /* 4096 */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MEM_6K 0x1800 /* 6144 */ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NODE_ADDRESS 0x2000 /* 8192 */ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define RUNT 60 /* Too small Ethernet packet */ 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************************************** 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * * 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * End of definition * 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * * 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds **************************************************/ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Index to functions, as function prototypes. 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Routines used internally. (See "convenience macros") */ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 de600_read_status(struct net_device *dev); 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 de600_read_byte(unsigned char type, struct net_device *dev); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Put in the device structure. */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int de600_open(struct net_device *dev); 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int de600_close(struct net_device *dev); 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int de600_start_xmit(struct sk_buff *skb, struct net_device *dev); 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Dispatch from interrupts. */ 1277d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic irqreturn_t de600_interrupt(int irq, void *dev_id); 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int de600_tx_intr(struct net_device *dev, int irq_status); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void de600_rx_intr(struct net_device *dev); 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Initialization */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void trigger_interrupt(struct net_device *dev); 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int adapter_init(struct net_device *dev); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Convenience macros/functions for D-Link adapter 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define select_prn() outb_p(SELECT_PRN, COMMAND_PORT); DE600_SLOW_DOWN 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define select_nic() outb_p(SELECT_NIC, COMMAND_PORT); DE600_SLOW_DOWN 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Thanks for hints from Mark Burton <markb@ordern.demon.co.uk> */ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define de600_put_byte(data) ( \ 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((data) << 4) | WRITE_DATA , DATA_PORT), \ 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((data) & 0xf0) | WRITE_DATA | HI_NIBBLE, DATA_PORT)) 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The first two outb_p()'s below could perhaps be deleted if there 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * would be more delay in the last two. Not certain about it yet... 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define de600_put_command(cmd) ( \ 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(( rx_page << 4) | COMMAND , DATA_PORT), \ 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(( rx_page & 0xf0) | COMMAND | HI_NIBBLE, DATA_PORT), \ 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((rx_page | cmd) << 4) | COMMAND , DATA_PORT), \ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((rx_page | cmd) & 0xf0) | COMMAND | HI_NIBBLE, DATA_PORT)) 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define de600_setup_address(addr,type) ( \ 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p((((addr) << 4) & 0xf0) | type , DATA_PORT), \ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(( (addr) & 0xf0) | type | HI_NIBBLE, DATA_PORT), \ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p((((addr) >> 4) & 0xf0) | type , DATA_PORT), \ 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p((((addr) >> 8) & 0xf0) | type | HI_NIBBLE, DATA_PORT)) 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define rx_page_adr() ((rx_page & RX_PAGE2_SELECT)?(MEM_6K):(MEM_4K)) 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Flip bit, only 2 pages */ 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define next_rx_page() (rx_page ^= RX_PAGE2_SELECT) 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define tx_page_adr(a) (((a) + 1) * MEM_2K) 169