11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6lnx.c (c) 2001 Micro Solutions Inc. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Released under the terms of the GNU General Public license 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6lnx.c is a par of the protocol driver for the Micro Solutions 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "BACKPACK" parallel port IDE adapter 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (Works on Series 6 drives) 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds*/ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// PPC 6 Code in C sanitized for LINUX 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// Original x86 ASM by Ron, Converted to C by Clive 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_stb 1 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_afd 2 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define cmd_stb port_afd 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_init 4 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define data_stb port_init 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_sel 8 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_int 16 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define port_dir 0x20 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ECR_EPP 0x80 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ECR_BI 0x20 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// 60772 Commands 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ACCESS_REG 0x00 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ACCESS_PORT 0x40 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ACCESS_READ 0x00 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ACCESS_WRITE 0x20 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// 60772 Command Prefix 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMD_PREFIX_SET 0xe0 // Special command that modifies the next command's operation 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMD_PREFIX_RESET 0xc0 // Resets current cmd modifier reg bits 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define PREFIX_IO16 0x01 // perform 16-bit wide I/O 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define PREFIX_FASTWR 0x04 // enable PPC mode fast-write 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define PREFIX_BLK 0x08 // enable block transfer mode 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// 60772 Registers 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_STATUS 0x00 // status register 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define STATUS_IRQA 0x01 // Peripheral IRQA line 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define STATUS_EEPROM_DO 0x40 // Serial EEPROM data bit 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_VERSION 0x01 // PPC version register (read) 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_HWCFG 0x02 // Hardware Config register 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_RAMSIZE 0x03 // Size of RAM Buffer 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define RAMSIZE_128K 0x02 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_EEPROM 0x06 // EEPROM control register 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define EEPROM_SK 0x01 // eeprom SK bit 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define EEPROM_DI 0x02 // eeprom DI bit 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define EEPROM_CS 0x04 // eeprom CS bit 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds #define EEPROM_EN 0x08 // eeprom output enable 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REG_BLKSIZE 0x08 // Block transfer len (24 bit) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct ppc_storage { 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 lpt_addr; // LPT base address 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 ppc_id; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 mode; // operating mode 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 0 = PPC Uni SW 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 1 = PPC Uni FW 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 2 = PPC Bi SW 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 3 = PPC Bi FW 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 4 = EPP Byte 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 5 = EPP Word 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // 6 = EPP Dword 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 ppc_flags; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 org_data; // original LPT data port contents 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 org_ctrl; // original LPT control port contents 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cur_ctrl; // current control port contents 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} Interface; 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// ppc_flags 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define fifo_wait 0x10 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds// DONT CHANGE THESE LEST YOU BREAK EVERYTHING - BIT FIELD DEPENDENCIES 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_UNI_SW 0 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_UNI_FW 1 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_BI_SW 2 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_BI_FW 3 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_EPP_BYTE 4 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_EPP_WORD 5 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PPCMODE_EPP_DWORD 6 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ppc6_select(Interface *ppc); 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_deselect(Interface *ppc); 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_send_cmd(Interface *ppc, u8 cmd); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_data_byte(Interface *ppc, u8 data); 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ppc6_rd_data_byte(Interface *ppc); 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ppc6_rd_port(Interface *ppc, u8 port); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_port(Interface *ppc, u8 port, u8 data); 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count); 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wait_for_fifo(Interface *ppc); 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length); 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length); 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_extout(Interface *ppc, u8 regdata); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ppc6_open(Interface *ppc); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_close(Interface *ppc); 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ppc6_select(Interface *ppc) 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 i, j, k; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = inb(ppc->lpt_addr + 1); 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i & 1) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(i, ppc->lpt_addr + 1); 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->org_data = inb(ppc->lpt_addr); 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->org_ctrl = inb(ppc->lpt_addr + 2) & 0x5F; // readback ctrl 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl = ppc->org_ctrl; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_sel; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ppc->org_data == 'b') 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb('x', ppc->lpt_addr); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb('b', ppc->lpt_addr); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb('p', ppc->lpt_addr); 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->ppc_id, ppc->lpt_addr); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(~ppc->ppc_id,ppc->lpt_addr); 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_sel; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl = (ppc->cur_ctrl & port_int) | port_init; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = ppc->mode & 0x0C; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i == 0) 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = (ppc->mode & 2) | 1; 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(i, ppc->lpt_addr); 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_sel; 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_afd; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = ((i & 0x08) << 4) | ((i & 0x07) << 3); 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds k = inb(ppc->lpt_addr + 1) & 0xB8; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (j == k) 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_afd; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds k = (inb(ppc->lpt_addr + 1) & 0xB8) ^ 0xB8; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (j == k) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i & 4) // EPP 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~(port_sel | port_init); 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else // PPC/ECP 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_sel; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(1); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->org_ctrl, ppc->lpt_addr + 2); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->org_data, ppc->lpt_addr); 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(0); // FAIL 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_deselect(Interface *ppc) 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ppc->mode & 4) // EPP 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_init; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else // PPC/ECP 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_sel; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->org_data, ppc->lpt_addr); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb((ppc->org_ctrl | port_sel), ppc->lpt_addr + 2); 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->org_ctrl, ppc->lpt_addr + 2); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_send_cmd(Interface *ppc, u8 cmd) 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ppc->mode) 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_SW : 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_FW : 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_SW : 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_FW : 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(cmd, ppc->lpt_addr); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl ^= cmd_stb; 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_BYTE : 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_WORD : 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_DWORD : 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(cmd, ppc->lpt_addr + 3); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_data_byte(Interface *ppc, u8 data) 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ppc->mode) 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_SW : 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_FW : 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_SW : 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_FW : 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(data, ppc->lpt_addr); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl ^= data_stb; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_BYTE : 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_WORD : 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_DWORD : 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(data, ppc->lpt_addr + 4); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ppc6_rd_data_byte(Interface *ppc) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 data = 0; 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ppc->mode) 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_SW : 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_FW : 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb(ppc->lpt_addr + 1); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = ((data & 0x80) >> 1) | ((data & 0x38) >> 3); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_stb; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data |= inb(ppc->lpt_addr + 1) & 0xB8; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_SW : 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_FW : 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_dir; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl = (ppc->cur_ctrl | port_stb) ^ data_stb; 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb(ppc->lpt_addr); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_stb; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl,ppc->lpt_addr + 2); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_dir; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_BYTE : 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_WORD : 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_DWORD : 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb(ppc->lpt_addr + 4); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl,ppc->lpt_addr + 2); 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(data); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ppc6_rd_port(Interface *ppc, u8 port) 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_READ)); 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(ppc6_rd_data_byte(ppc)); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_port(Interface *ppc, u8 port, u8 data) 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc,(u8)(port | ACCESS_PORT | ACCESS_WRITE)); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc, data); 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_rd_data_blk(Interface *ppc, u8 *data, long count) 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ppc->mode) 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_SW : 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_FW : 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 d; 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl = (ppc->cur_ctrl & ~port_stb) ^ data_stb; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d = inb(ppc->lpt_addr + 1); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d = ((d & 0x80) >> 1) | ((d & 0x38) >> 3); 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_stb; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d |= inb(ppc->lpt_addr + 1) & 0xB8; 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *data++ = d; 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_SW : 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_FW : 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_dir; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_stb; 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl ^= data_stb; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *data++ = inb(ppc->lpt_addr); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_stb; 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_dir; 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_BYTE : 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2); 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *data++ = inb(ppc->lpt_addr + 4); 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_WORD : 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb((ppc->cur_ctrl | port_dir), ppc->lpt_addr + 2); 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count > 1) 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *((u16 *)data) = inw(ppc->lpt_addr + 4); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data += 2; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= 2; 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *data++ = inb(ppc->lpt_addr + 4); 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_DWORD : 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb((ppc->cur_ctrl | port_dir),ppc->lpt_addr + 2); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds // DELAY 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count > 3) 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *((u32 *)data) = inl(ppc->lpt_addr + 4); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data += 4; 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= 4; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *data++ = inb(ppc->lpt_addr + 4); 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wait_for_fifo(Interface *ppc) 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ppc->ppc_flags & fifo_wait) 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for(i=0; i<20; i++) 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb(ppc->lpt_addr + 1); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_data_blk(Interface *ppc, u8 *data, long count) 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ppc->mode) 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_SW : 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_SW : 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count--) 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(*data++, ppc->lpt_addr); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl ^= data_stb; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_UNI_FW : 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_BI_FW : 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 this, last; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc,(CMD_PREFIX_SET | PREFIX_FASTWR)); 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl |= port_stb; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last = *data; 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(last, ppc->lpt_addr); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds this = *data++; 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (this == last) 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl ^= data_stb; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(this, ppc->lpt_addr); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last = this; 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->cur_ctrl &= ~port_stb; 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(ppc->cur_ctrl, ppc->lpt_addr + 2); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc,(CMD_PREFIX_RESET | PREFIX_FASTWR)); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_BYTE : 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(*data++,ppc->lpt_addr + 4); 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wait_for_fifo(ppc); 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_WORD : 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count > 1) 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outw(*((u16 *)data),ppc->lpt_addr + 4); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data += 2; 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= 2; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(*data++,ppc->lpt_addr + 4); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wait_for_fifo(ppc); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PPCMODE_EPP_DWORD : 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count > 3) 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outl(*((u32 *)data),ppc->lpt_addr + 4); 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data += 4; 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= 4; 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while(count) 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb(*data++,ppc->lpt_addr + 4); 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count--; 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wait_for_fifo(ppc); 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_rd_port16_blk(Interface *ppc, u8 port, u8 *data, long length) 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds length = length << 1; 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE)); 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,(u8)length); 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,(u8)(length >> 8)); 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,0); 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK)); 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_READ)); 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_rd_data_blk(ppc, data, length); 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK)); 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_port16_blk(Interface *ppc, u8 port, u8 *data, long length) 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds length = length << 1; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (REG_BLKSIZE | ACCESS_REG | ACCESS_WRITE)); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,(u8)length); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,(u8)(length >> 8)); 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc,0); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (CMD_PREFIX_SET | PREFIX_IO16 | PREFIX_BLK)); 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (u8)(port | ACCESS_PORT | ACCESS_WRITE)); 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_blk(ppc, data, length); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (CMD_PREFIX_RESET | PREFIX_IO16 | PREFIX_BLK)); 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_wr_extout(Interface *ppc, u8 regdata) 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc,(REG_VERSION | ACCESS_REG | ACCESS_WRITE)); 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc, (u8)((regdata & 0x03) << 6)); 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ppc6_open(Interface *ppc) 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = ppc6_select(ppc); 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret == 0) 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(ret); 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->ppc_flags &= ~fifo_wait; 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_WRITE | REG_RAMSIZE)); 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_wr_data_byte(ppc, RAMSIZE_128K); 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_send_cmd(ppc, (ACCESS_REG | ACCESS_READ | REG_VERSION)); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ppc6_rd_data_byte(ppc) & 0x3F) == 0x0C) 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc->ppc_flags |= fifo_wait; 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return(ret); 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ppc6_close(Interface *ppc) 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppc6_deselect(ppc); 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds//*************************************************************************** 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 727