11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Goramo PCI200SYN synchronous serial card driver for Linux 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 461e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa * Copyright (C) 2002-2008 Krzysztof Halasa <khc@pm.waw.pl> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify it 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under the terms of version 2 of the GNU General Public License 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * as published by the Free Software Foundation. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10467c432a4d63349025d92f5dbdd0b9ba8ff40fd5Krzysztof Halasa * For information see <http://www.kernel.org/pub/linux/utils/net/hdlc/> 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sources of information: 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Hitachi HD64572 SCA-II User's Manual 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PLX Technology Inc. PCI9052 Data Book 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1712a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 1812a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 2186ae13b006e48959981248493efd3ff4b2828b3dIngo Molnar#include <linux/capability.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fcntl.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/in.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/moduleparam.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/hdlc.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 34164006da316a22eaaa9fbe36f835a01606436c66Al Viro#include <linux/delay.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "hd64572.h" 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef DEBUG_PKT 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEBUG_RINGS 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PCI200SYN_PLX_SIZE 0x80 /* PLX control window size (128b) */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PCI200SYN_SCA_SIZE 0x400 /* SCA window size (1Kb) */ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_TX_BUFFERS 10 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int pci_clock_freq = 33000000; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CLOCK_BASE pci_clock_freq 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PLX PCI9052 local configuration and shared runtime registers. 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This structure can be used to access 9052 registers (memory mapped). 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct { 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 loc_addr_range[4]; /* 00-0Ch : Local Address Ranges */ 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 loc_rom_range; /* 10h : Local ROM Range */ 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 loc_addr_base[4]; /* 14-20h : Local Address Base Addrs */ 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 loc_rom_base; /* 24h : Local ROM Base */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 loc_bus_descr[4]; /* 28-34h : Local Bus Descriptors */ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 rom_bus_descr; /* 38h : ROM Bus Descriptor */ 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 cs_base[4]; /* 3C-48h : Chip Select Base Addrs */ 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 intr_ctrl_stat; /* 4Ch : Interrupt Control/Status */ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 init_ctrl; /* 50h : EEPROM ctrl, Init Ctrl, etc */ 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}plx9052; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct port_s { 68abc9d91a35a924c8db0e949cd443471672e37cdbKrzysztof Hałasa struct napi_struct napi; 6961e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa struct net_device *netdev; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct card_s *card; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t lock; /* TX lock */ 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sync_serial_settings settings; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int rxpart; /* partial frame received, next frame invalid*/ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short encoding; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short parity; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 rxin; /* rx ring buffer 'in' pointer */ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 txin; /* tx ring buffer 'in' and 'last' pointers */ 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 txlast; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 rxs, txs, tmc; /* SCA registers */ 8061e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa u8 chan; /* physical port # - 0 or 1 */ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}port_t; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct card_s { 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *rambase; /* buffer memory base (virtual) */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *scabase; /* SCA memory base (virtual) */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds plx9052 __iomem *plxbase;/* PLX registers memory base (virtual) */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 rx_ring_buffers; /* number of buffers in a ring */ 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tx_ring_buffers; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 buff_offset; /* offset of first buffer of first channel */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 irq; /* interrupt request level */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port_t ports[2]; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}card_t; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define get_port(card, port) (&card->ports[port]) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sca_flush(card) (sca_in(IER0, card)); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void new_memcpy_toio(char __iomem *dest, char *src, int length) 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = length > 256 ? 256 : length; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy_toio(dest, src, len); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dest += len; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src += len; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds length -= len; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readb(dest); 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (len); 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef memcpy_toio 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define memcpy_toio new_memcpy_toio 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1176b40aba304e6f94c747ad9559e03ea03a49e8008Krzysztof Hałasa#include "hd64572.c" 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void pci200_set_iface(port_t *port) 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_t *card = port->card; 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 msci = get_msci(port); 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 rxs = port->rxs & CLK_BRG_MASK; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 txs = port->txs & CLK_BRG_MASK; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12761e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS, 12861e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa port->card); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(port->settings.clock_type) { 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case CLOCK_INT: 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxs |= CLK_BRG; /* BRG output */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case CLOCK_TXINT: 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxs |= CLK_LINE; /* RXC input */ 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txs |= CLK_PIN_OUT | CLK_BRG; /* BRG output */ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case CLOCK_TXFROMRX: 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxs |= CLK_LINE; /* RXC input */ 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: /* EXTernal clock */ 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxs |= CLK_LINE; /* RXC input */ 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txs |= CLK_PIN_OUT | CLK_LINE; /* TXC input */ 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->rxs = rxs; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->txs = txs; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_out(rxs, msci + RXS, card); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_out(txs, msci + TXS, card); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_set_port(port); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int pci200_open(struct net_device *dev) 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port_t *port = dev_to_port(dev); 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result = hdlc_open(dev); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_open(dev); 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_set_iface(port); 17061e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa sca_flush(port->card); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int pci200_close(struct net_device *dev) 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_close(dev); 17961e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa sca_flush(dev_to_port(dev)->card); 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hdlc_close(dev); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int pci200_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const size_t size = sizeof(sync_serial_settings); 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sync_serial_settings new_line; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port_t *port = dev_to_port(dev); 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG_RINGS 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd == SIOCDEVPRIVATE) { 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_dump_rings(dev); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cmd != SIOCWANDEV) 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return hdlc_ioctl(dev, ifr, cmd); 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(ifr->ifr_settings.type) { 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IF_GET_IFACE: 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ifr->ifr_settings.type = IF_IFACE_V35; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ifr->ifr_settings.size < size) { 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ifr->ifr_settings.size = size; /* data size wanted */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOBUFS; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (copy_to_user(line, &port->settings, size)) 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IF_IFACE_V35: 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case IF_IFACE_SYNC_SERIAL: 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_NET_ADMIN)) 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (copy_from_user(&new_line, line, size)) 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (new_line.clock_type != CLOCK_EXT && 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_line.clock_type != CLOCK_TXFROMRX && 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_line.clock_type != CLOCK_INT && 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_line.clock_type != CLOCK_TXINT) 225354c8e3104a8513dbbdc4dea1ffbefe714371e88Julia Lawall return -EINVAL; /* No such clock setting */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (new_line.loopback != 0 && new_line.loopback != 1) 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(&port->settings, &new_line, size); /* Update settings */ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_set_iface(port); 23261e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa sca_flush(port->card); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return hdlc_ioctl(dev, ifr, cmd); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void pci200_pci_remove_one(struct pci_dev *pdev) 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_t *card = pci_get_drvdata(pdev); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 24758a7ce64426394a46e80cdc9440cc1e7c195e85dKrzysztof Halasa for (i = 0; i < 2; i++) 24861e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa if (card->ports[i].card) 24961e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa unregister_hdlc_device(card->ports[i].netdev); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->irq) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_irq(card->irq, card); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->rambase) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(card->rambase); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->scabase) 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(card->scabase); 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->plxbase) 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iounmap(card->plxbase); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_release_regions(pdev); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 26361e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa if (card->ports[0].netdev) 26461e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa free_netdev(card->ports[0].netdev); 26561e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa if (card->ports[1].netdev) 26661e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa free_netdev(card->ports[1].netdev); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(card); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 270991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasastatic const struct net_device_ops pci200_ops = { 271991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa .ndo_open = pci200_open, 272991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa .ndo_stop = pci200_close, 273991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa .ndo_change_mtu = hdlc_change_mtu, 274991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa .ndo_start_xmit = hdlc_start_xmit, 275991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa .ndo_do_ioctl = pci200_ioctl, 276991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa}; 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 278aeea6bbfa3f185dcd6f812ece8bed778ec0da3beBill Pembertonstatic int pci200_pci_init_one(struct pci_dev *pdev, 2791dd06ae8db716e17ec7e06244b858606edf378c0Greg Kroah-Hartman const struct pci_device_id *ent) 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card_t *card; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 __iomem *p; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 ramsize; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 ramphys; /* buffer memory base */ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 scaphys; /* SCA memory base */ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 plxphys; /* PLX registers memory base */ 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = pci_enable_device(pdev); 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = pci_request_regions(pdev, "PCI200SYN"); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i) { 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 299dd00cc486ab1c17049a535413d1751ef3482141cYoann Padioleau card = kzalloc(sizeof(card_t), GFP_KERNEL); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card == NULL) { 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_release_regions(pdev); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_disable_device(pdev); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOBUFS; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_set_drvdata(pdev, card); 30661e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa card->ports[0].netdev = alloc_hdlcdev(&card->ports[0]); 30761e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa card->ports[1].netdev = alloc_hdlcdev(&card->ports[1]); 30861e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa if (!card->ports[0].netdev || !card->ports[1].netdev) { 30912a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("unable to allocate memory\n"); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pci_resource_len(pdev, 0) != PCI200SYN_PLX_SIZE || 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_resource_len(pdev, 2) != PCI200SYN_SCA_SIZE || 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_resource_len(pdev, 3) < 16384) { 31712a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("invalid card EEPROM parameters\n"); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds plxphys = pci_resource_start(pdev,0) & PCI_BASE_ADDRESS_MEM_MASK; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->plxbase = ioremap(plxphys, PCI200SYN_PLX_SIZE); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds scaphys = pci_resource_start(pdev,2) & PCI_BASE_ADDRESS_MEM_MASK; 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->scabase = ioremap(scaphys, PCI200SYN_SCA_SIZE); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ramphys = pci_resource_start(pdev,3) & PCI_BASE_ADDRESS_MEM_MASK; 329275f165fa970174f8a98205529750e8abb6c0a33Arjan van de Ven card->rambase = pci_ioremap_bar(pdev, 3); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->plxbase == NULL || 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->scabase == NULL || 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->rambase == NULL) { 33412a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("ioremap() failed\n"); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 3364446065a2c9b65398ceb115f4d8c256eb1bb9647Krzysztof Halasa return -EFAULT; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Reset PLX */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = &card->plxbase->init_ctrl; 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(readl(p) | 0x40000000, p); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readl(p); /* Flush the write - do not use sca_flush */ 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(readl(p) & ~0x40000000, p); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readl(p); /* Flush the write - do not use sca_flush */ 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ramsize = sca_detect_ram(card, card->rambase, 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_resource_len(pdev, 3)); 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* number of TX + RX buffers for one port - this is dual port card */ 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = ramsize / (2 * (sizeof(pkt_desc) + HDLC_MAX_MRU)); 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS); 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->rx_ring_buffers = i - card->tx_ring_buffers; 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->buff_offset = 2 * sizeof(pkt_desc) * (card->tx_ring_buffers + 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->rx_ring_buffers); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 36012a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_info("%u KB RAM at 0x%x, IRQ%u, using %u TX + %u RX packets rings\n", 36112a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches ramsize / 1024, ramphys, 36212a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pdev->irq, card->tx_ring_buffers, card->rx_ring_buffers); 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->tx_ring_buffers < 1) { 36512a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("RAM test failed\n"); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EFAULT; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable interrupts on the PCI bridge */ 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = &card->plxbase->intr_ctrl_stat; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writew(readw(p) | 0x0040, p); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Allocate IRQ */ 375967834361a4beb3bbd3069189c192dc6fdeef8a9Krzysztof Hałasa if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pci200syn", card)) { 37612a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_warn("could not allocate IRQ%d\n", pdev->irq); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->irq = pdev->irq; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_init(card, 0); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 38458a7ce64426394a46e80cdc9440cc1e7c195e85dKrzysztof Halasa for (i = 0; i < 2; i++) { 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port_t *port = &card->ports[i]; 38661e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa struct net_device *dev = port->netdev; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hdlc_device *hdlc = dev_to_hdlc(dev); 38861e0a6a268947f7385282c6841f3e3d64b4c5cb9Krzysztof Hałasa port->chan = i; 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_init(&port->lock); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = card->irq; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->mem_start = ramphys; 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->mem_end = ramphys + ramsize - 1; 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->tx_queue_len = 50; 395991990a12de42281f81b4e3a6471586d2d0caf6aKrzysztof Hałasa dev->netdev_ops = &pci200_ops; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hdlc->attach = sca_attach; 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hdlc->xmit = sca_xmit; 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->settings.clock_type = CLOCK_EXT; 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->card = card; 400abc9d91a35a924c8db0e949cd443471672e37cdbKrzysztof Hałasa sca_init_port(port); 40158a7ce64426394a46e80cdc9440cc1e7c195e85dKrzysztof Halasa if (register_hdlc_device(dev)) { 40212a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("unable to register hdlc device\n"); 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds port->card = NULL; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci200_pci_remove_one(pdev); 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOBUFS; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40812a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches netdev_info(dev, "PCI200SYN channel %d\n", port->chan); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sca_flush(card); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4179baa3c34ac4e27f7e062f266f50cc5dbea26a6c1Benoit Tainestatic const struct pci_device_id pci200_pci_tbl[] = { 41858a7ce64426394a46e80cdc9440cc1e7c195e85dKrzysztof Halasa { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_PLX, 41958a7ce64426394a46e80cdc9440cc1e7c195e85dKrzysztof Halasa PCI_DEVICE_ID_PLX_PCI200SYN, 0, 0, 0 }, 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0, } 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver pci200_pci_driver = { 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "PCI200SYN", 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = pci200_pci_tbl, 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = pci200_pci_init_one, 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = pci200_pci_remove_one, 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init pci200_init_module(void) 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pci_clock_freq < 1000000 || pci_clock_freq > 80000000) { 43512a3bfefc8c1e43ddb50950cb74f8a11d680567aJoe Perches pr_err("Invalid PCI clock frequency\n"); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 438299176206b266f204be859adf9e66efd06628ab2Jeff Garzik return pci_register_driver(&pci200_pci_driver); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit pci200_cleanup_module(void) 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unregister_driver(&pci200_pci_driver); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>"); 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("Goramo PCI200SYN serial port driver"); 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL v2"); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, pci200_pci_tbl); 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(pci_clock_freq, int, 0444); 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(pci_clock_freq, "System PCI clock frequency in Hz"); 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(pci200_init_module); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(pci200_cleanup_module); 456