b1dma.c revision 9a58a80a701bdb2d220cdab4914218df5b48d781
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* $Id: b1dma.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Common module for AVM B1 cards that support dma with AMCC 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 2000 by Carsten Paeth <calle@calle.de> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This software may be used and distributed according to the terms 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of the GNU General Public License, incorporated herein by reference. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 149a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan#include <linux/proc_fs.h> 159a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan#include <linux/seq_file.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/skbuff.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/capi.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernelcapi.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/uaccess.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capilli.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "avmcard.h" 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capicmd.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capiutil.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char *revision = "$Revision: 1.1.2.3 $"; 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3426fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#undef AVM_B1DMA_DEBUG 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("CAPI4Linux: DMA support for active AVM cards"); 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Carsten Paeth"); 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int suppress_pollack = 0; 438d3b33f67fdc0fb364a1ef6d8fbbea7c2e4e6c98Rusty Russellmodule_param(suppress_pollack, bool, 0); 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_dispatch_tx(avmcard *card); 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* S5933 */ 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_RXPTR 0x24 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_RXLEN 0x28 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_TXPTR 0x2c 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_TXLEN 0x30 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_INTCSR 0x38 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_READ_TC_INT 0x00008000L 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_WRITE_TC_INT 0x00004000L 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_TX_TC_INT EN_READ_TC_INT 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_RX_TC_INT EN_WRITE_TC_INT 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define AVM_FLAG 0x30000000L 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define ANY_S5933_INT 0x00800000L 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define READ_TC_INT 0x00080000L 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define WRITE_TC_INT 0x00040000L 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define TX_TC_INT READ_TC_INT 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RX_TC_INT WRITE_TC_INT 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define MASTER_ABORT_INT 0x00100000L 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define TARGET_ABORT_INT 0x00200000L 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define BUS_MASTER_INT 0x00200000L 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define ALL_INT 0x000C0000L 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_MCSR 0x3c 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define A2P_HI_PRIORITY 0x00000100L 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_A2P_TRANSFERS 0x00000400L 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define P2A_HI_PRIORITY 0x00001000L 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_P2A_TRANSFERS 0x00004000L 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RESET_A2P_FLAGS 0x04000000L 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RESET_P2A_FLAGS 0x02000000L 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void b1dma_writel(avmcard *card, u32 value, int off) 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(value, card->mbase + off); 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 b1dma_readl(avmcard *card, int off) 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return readl(card->mbase + off); 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int b1dma_tx_empty(unsigned int port) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return inb(port + 0x03) & 0x1; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int b1dma_rx_full(unsigned int port) 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return inb(port + 0x02) & 0x1; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_tolink(avmcard *card, void *buf, unsigned int len) 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *s = (unsigned char *)buf; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (len--) { 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( !b1dma_tx_empty(card->port) 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && time_before(jiffies, stop)); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_tx_empty(card->port)) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x01, *s++); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_fromlink(avmcard *card, void *buf, unsigned int len) 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *s = (unsigned char *)buf; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (len--) { 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( !b1dma_rx_full(card->port) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && time_before(jiffies, stop)); 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_rx_full(card->port)) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = t1inp(card->port, 0x00); 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int WriteReg(avmcard *card, u32 reg, u8 val) 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd = 0x00; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_tolink(card, &cmd, 1) == 0 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && b1dma_tolink(card, ®, 4) == 0) { 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp = val; 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return b1dma_tolink(card, &tmp, 4); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ReadReg(avmcard *card, u32 reg) 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd = 0x01; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_tolink(card, &cmd, 1) == 0 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && b1dma_tolink(card, ®, 4) == 0) { 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1dma_fromlink(card, &tmp, 4) == 0) 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (u8)tmp; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0xff; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_byte(void **pp, u8 val) 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = val; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_word(void **pp, u32 val) 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = val & 0xff; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 8) & 0xff; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 16) & 0xff; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 24) & 0xff; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_slice(void **pp, unsigned char *dp, unsigned int len) 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned i = len; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(pp, i); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (i-- > 0) 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(pp, *dp++); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u8 _get_byte(void **pp) 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 val; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = *s++; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 _get_word(void **pp) 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 val; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = *s++; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 8); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 16); 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 24); 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 _get_slice(void **pp, unsigned char *dp) 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int len, i; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = i = _get_word(pp); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (i-- > 0) *dp++ = _get_byte(pp); 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return len; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_reset(avmcard *card) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = 0x0; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_RXLEN); 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_TXLEN); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0x00); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x00); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype == avm_t1pci) 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(42); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_detect(avmcard *card) 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(42); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_RXLEN); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_TXLEN); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = 0x0; 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1dma_readl(card, AMCC_MCSR) != 0x000000E6) 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0xffffffff, AMCC_RXPTR); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0xffffffff, AMCC_TXPTR); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_readl(card, AMCC_RXPTR) != 0xfffffffc 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || b1dma_readl(card, AMCC_TXPTR) != 0xfffffffc) 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 2; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0, AMCC_RXPTR); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0, AMCC_TXPTR); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_readl(card, AMCC_RXPTR) != 0x0 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || b1dma_readl(card, AMCC_TXPTR) != 0x0) 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 3; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0x00); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x00); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x02, 0x02); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x03, 0x02); 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( (t1inp(card->port, 0x02) & 0xFE) != 0x02 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || t1inp(card->port, 0x3) != 0x03) 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 4; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x02, 0x00); 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x03, 0x00); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( (t1inp(card->port, 0x02) & 0xFE) != 0x00 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || t1inp(card->port, 0x3) != 0x01) 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 5; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint t1pci_detect(avmcard *card) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ret = b1dma_detect(card)) != 0) 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Transputer test */ 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( WriteReg(card, 0x80001000, 0x11) != 0 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80101000, 0x22) != 0 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80201000, 0x33) != 0 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80301000, 0x44) != 0) 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 6; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( ReadReg(card, 0x80001000) != 0x11 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80101000) != 0x22 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80201000) != 0x33 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80301000) != 0x44) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 7; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( WriteReg(card, 0x80001000, 0x55) != 0 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80101000, 0x66) != 0 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80201000, 0x77) != 0 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80301000, 0x88) != 0) 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 8; 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( ReadReg(card, 0x80001000) != 0x55 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80101000) != 0x66 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80201000) != 0x77 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80301000) != 0x88) 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 9; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint b1pciv4_detect(avmcard *card) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret, i; 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ret = b1dma_detect(card)) != 0) 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; i < 5 ; i++) { 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (WriteReg(card, 0x80A00000, 0x21) != 0) 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 6; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ReadReg(card, 0x80A00000) & 0x01) != 0x01) 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 7; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; i < 5 ; i++) { 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (WriteReg(card, 0x80A00000, 0x20) != 0) 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 8; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ReadReg(card, 0x80A00000) & 0x01) != 0x00) 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 9; 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_queue_tx(avmcard *card, struct sk_buff *skb) 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_tail(&card->dma->send_queue, skb); 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(card->csr & EN_TX_TC_INT)) { 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_dispatch_tx(card); 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->lock, flags); 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_dispatch_tx(avmcard *card) 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard_dmainfo *dma = card->dma; 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd, subcmd; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 len; 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 txlen; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = skb_dequeue(&dma->send_queue); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = CAPIMSG_LEN(skb->data); 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len) { 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmd = CAPIMSG_COMMAND(skb->data); 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds subcmd = CAPIMSG_SUBCOMMAND(skb->data); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = dma->sendbuf.dmabuf; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) { 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 dlen = CAPIMSG_DATALEN(skb->data); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_DATA_B3_REQ); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data, len); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data + len, dlen); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_MESSAGE); 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data, len); 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf; 39626fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "tx: put msg len=%d\n", txlen); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = skb->len-2; 40126fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_POLLDEBUG 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb->data[2] == SEND_POLLACK) 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: send ack\n", card->name); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 40526fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "tx: put 0x%x len=%d\n", 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->data[2], txlen); 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 409d626f62b11e00c16e81e4308ab93d3f13551812aArnaldo Carvalho de Melo skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf, 410d626f62b11e00c16e81e4308ab93d3f13551812aArnaldo Carvalho de Melo skb->len - 2); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = (txlen + 3) & ~3; 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->sendbuf.dmaaddr, AMCC_TXPTR); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, txlen, AMCC_TXLEN); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr |= EN_TX_TC_INT; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb_any(skb); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void queue_pollack(avmcard *card) 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(3, GFP_ATOMIC); 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost poll ack\n", 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_POLLACK); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_handle_rx(avmcard *card) 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = &card->ctrlinfo[0]; 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard_dmainfo *dma = card->dma; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct capi_ctr *ctrl = &cinfo->capi_ctrl; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p = dma->recvbuf.dmabuf+4; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 b1cmd = _get_byte(&p); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45626fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "rx: 0x%x %lu\n", b1cmd, (unsigned long)dma->recvlen); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (b1cmd) { 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_DATA_B3_IND: 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DataB3Len = _get_slice(&p, card->databuf); 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MsgLen < 30) { /* not CAPI 64Bit */ 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(card->msgbuf+MsgLen, 0, 30-MsgLen); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = 30; 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_SETLEN(card->msgbuf, 30); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) { 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: incoming packet dropped\n", 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len); 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_handle_message(ctrl, ApplId, skb); 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_MESSAGE: 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: incoming packet dropped\n", 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); 4911e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) { 4921e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_data_b3_conf(&cinfo->ncci_head, ApplId, 4941e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil CAPIMSG_NCCI(skb->data), 4951e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil CAPIMSG_MSGID(skb->data)); 4961e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 4971e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil } 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_handle_message(ctrl, ApplId, skb); 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_NEW_NCCI: 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = _get_word(&p); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCCI = _get_word(&p); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WindowSize = _get_word(&p); 5071e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize); 5091e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_FREE_NCCI: 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = _get_word(&p); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCCI = _get_word(&p); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5171e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil if (NCCI != 0xffffffff) { 5181e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI); 5201e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 5211e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil } 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_START: 52526fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_POLLDEBUG 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: receive poll\n", card->name); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!suppress_pollack) 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds queue_pollack(card); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_resume_output(ctrl); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_STOP: 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_suspend_output(ctrl); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_INIT: 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->versionlen = _get_slice(&p, cinfo->versionbuf); 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1_parse_version(cinfo); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: %s-card (%s) now active\n", 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->version[VER_CARDTYPE], 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->version[VER_DRIVER]); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_ready(ctrl); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_TASK_READY: 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen] = 0; 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( MsgLen > 0 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ( card->msgbuf[MsgLen-1] == '\n' 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || card->msgbuf[MsgLen-1] == '\r')) { 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen-1] = 0; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen--; 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: task %d \"%s\" ready.\n", 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, ApplId, card->msgbuf); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_DEBUGMSG: 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen] = 0; 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( MsgLen > 0 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ( card->msgbuf[MsgLen-1] == '\n' 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || card->msgbuf[MsgLen-1] == '\r')) { 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen-1] = 0; 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen--; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_interrupt: 0x%x ???\n", 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, b1cmd); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_handle_interrupt(avmcard *card) 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 status; 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 newcsr; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&card->lock); 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = b1dma_readl(card, AMCC_INTCSR); 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & ANY_S5933_INT) == 0) { 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds newcsr = card->csr | (status & ALL_INT); 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & TX_TC_INT) newcsr &= ~EN_TX_TC_INT; 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RX_TC_INT) newcsr &= ~EN_RX_TC_INT; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, newcsr, AMCC_INTCSR); 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & RX_TC_INT) != 0) { 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct avmcard_dmainfo *dma = card->dma; 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 rxlen; 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->dma->recvlen == 0) { 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = b1dma_readl(card, AMCC_RXLEN); 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rxlen == 0) { 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma->recvlen = *((u32 *)dma->recvbuf.dmabuf); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = (dma->recvlen + 3) & ~3; 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->recvbuf.dmaaddr+4, AMCC_RXPTR); 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, rxlen, AMCC_RXLEN); 61126fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: rx not complete (%d).\n", 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, rxlen); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_handle_rx(card); 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma->recvlen = 0; 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&card->lock); 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->recvbuf.dmaaddr, AMCC_RXPTR); 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 4, AMCC_RXLEN); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & TX_TC_INT) != 0) { 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb_queue_empty(&card->dma->send_queue)) 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr &= ~EN_TX_TC_INT; 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_dispatch_tx(card); 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6387d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsirqreturn_t b1dma_interrupt(int interrupt, void *devptr) 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = devptr; 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_handle_interrupt(card); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_loaded(avmcard *card) 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop; 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char ans; 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long tout = 2; 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int base = card->port; 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) { 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1_tx_empty(base)) 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1_tx_empty(base)) { 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: tx err, corrupted t4 file ?\n", 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1_put_byte(base, SEND_POLLACK); 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) { 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1_rx_full(base)) { 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ans = b1_get_byte(base)) == RECEIVE_POLLDWORD) { 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: got 0x%x, firmware not running in dword mode\n", card->name, ans); 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: firmware not running\n", card->name); 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_send_init(avmcard *card) 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(15, GFP_ATOMIC); 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost register appl.\n", 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_INIT); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, CAPI_MAXAPPL); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, AVM_NCCI_PER_CHANNEL*30); 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, card->cardnr - 1); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint b1dma_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((retval = b1_load_t4file(card, &data->firmware))) { 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load t4file!!\n", 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->configuration.len > 0 && data->configuration.data) { 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((retval = b1_load_config(card, &data->configuration))) { 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load config!!\n", 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_loaded(card)) { 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load t4file.\n", card->name); 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EIO; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = AVM_FLAG; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, EN_A2P_TRANSFERS|EN_P2A_TRANSFERS|A2P_HI_PRIORITY| 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds P2A_HI_PRIORITY|RESET_A2P_FLAGS|RESET_P2A_FLAGS, 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AMCC_MCSR); 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x30); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0xF0); 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->dma->recvlen = 0; 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->dma->recvbuf.dmaaddr, AMCC_RXPTR); 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 4, AMCC_RXLEN); 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr |= EN_RX_TC_INT; 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_send_init(card); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_reset_ctr(struct capi_ctr *ctrl) 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(cinfo->version, 0, sizeof(cinfo->version)); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_release(&cinfo->ncci_head); 7631e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 7644e329972052c3649367b91de783f6293b8653cb2Tilman Schmidt capi_ctr_down(ctrl); 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_register_appl(struct capi_ctr *ctrl, 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 appl, 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_register_params *rp) 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int want = rp->level3cnt; 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nconn; 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (want > 0) nconn = want; 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else nconn = ctrl->profile.nbchannel * -want; 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nconn == 0) nconn = ctrl->profile.nbchannel; 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(23, GFP_ATOMIC); 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost register appl.\n", 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_REGISTER); 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, appl); 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, 1024 * (nconn+1)); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, nconn); 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, rp->datablkcnt); 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, rp->datablklen); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_release_appl(struct capi_ctr *ctrl, u16 appl) 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 8121e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil unsigned long flags; 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8141e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock_irqsave(&card->lock, flags); 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_release_appl(&cinfo->ncci_head, appl); 8161e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(7, GFP_ATOMIC); 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost release appl.\n", 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_RELEASE); 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, appl); 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsu16 b1dma_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 retval = CAPI_NOERROR; 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { 8441e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil unsigned long flags; 8451e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock_irqsave(&card->lock, flags); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = capilib_data_b3_req(&cinfo->ncci_head, 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_APPID(skb->data), 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_NCCI(skb->data), 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_MSGID(skb->data)); 8501e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval == CAPI_NOERROR) 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8609a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanstatic int b1dmactl_proc_show(struct seq_file *m, void *v) 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8629a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan struct capi_ctr *ctrl = m->private; 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 flag; 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *s; 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 txoff, txlen, rxoff, rxlen, csr; 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8709a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "name", card->name); 8719a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%x\n", "io", card->port); 8729a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %d\n", "irq", card->irq); 8739a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "membase", card->membase); 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (card->cardtype) { 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1isa: s = "B1 ISA"; break; 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1pci: s = "B1 PCI"; break; 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1pcmcia: s = "B1 PCMCIA"; break; 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_m1: s = "M1"; break; 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_m2: s = "M2"; break; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_t1isa: s = "T1 ISA (HEMA)"; break; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_t1pci: s = "T1 PCI"; break; 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_c4: s = "C4"; break; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_c2: s = "C2"; break; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: s = "???"; break; 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8869a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "type", s); 8878e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_DRIVER]) != NULL) 8889a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_driver", s); 8898e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_CARDTYPE]) != NULL) 8909a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_cardtype", s); 8918e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_SERIAL]) != NULL) 8929a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_serial", s); 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype != avm_m1) { 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag = ((u8 *)(ctrl->profile.manu))[3]; 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag) 8979a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s%s%s%s%s%s%s%s\n", 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "protocol", 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x01) ? " DSS1" : "", 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x02) ? " CT1" : "", 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x04) ? " VN3" : "", 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x08) ? " NI1" : "", 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x10) ? " AUSTEL" : "", 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x20) ? " ESS" : "", 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x40) ? " 1TR6" : "" 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype != avm_m1) { 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag = ((u8 *)(ctrl->profile.manu))[5]; 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag) 9119a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s%s%s%s%s\n", 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "linetype", 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x01) ? " point to point" : "", 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x02) ? " point to multipoint" : "", 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x08) ? " leased line without D-channel" : "", 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x04) ? " leased line with D-channel" : "" 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9199a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname); 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txoff = (dma_addr_t)b1dma_readl(card, AMCC_TXPTR)-card->dma->sendbuf.dmaaddr; 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = b1dma_readl(card, AMCC_TXLEN); 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxoff = (dma_addr_t)b1dma_readl(card, AMCC_RXPTR)-card->dma->recvbuf.dmaaddr; 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = b1dma_readl(card, AMCC_RXLEN); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds csr = b1dma_readl(card, AMCC_INTCSR); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->lock, flags); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9349a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "csr (cached)", (unsigned long)card->csr); 9359a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "csr", (unsigned long)csr); 9369a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "txoff", (unsigned long)txoff); 9379a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "txlen", (unsigned long)txlen); 9389a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "rxoff", (unsigned long)rxoff); 9399a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "rxlen", (unsigned long)rxlen); 9409a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9419a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan return 0; 9429a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan} 9439a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9449a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanstatic int b1dmactl_proc_open(struct inode *inode, struct file *file) 9459a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan{ 9469a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan return single_open(file, b1dmactl_proc_show, PDE(inode)->data); 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9499a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanconst struct file_operations b1dmactl_proc_fops = { 9509a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .owner = THIS_MODULE, 9519a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .open = b1dmactl_proc_open, 9529a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .read = seq_read, 9539a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .llseek = seq_lseek, 9549a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .release = single_release, 9559a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan}; 9569a58a80a701bdb2d220cdab4914218df5b48d781Alexey DobriyanEXPORT_SYMBOL(b1dmactl_proc_fops); 9579a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_reset); 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(t1pci_detect); 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1pciv4_detect); 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_interrupt); 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_load_firmware); 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_reset_ctr); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_register_appl); 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_release_appl); 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_send_message); 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 97108e51533a0a26c236879ad33b2798c16328051d9Adrian Bunkstatic int __init b1dma_init(void) 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *p; 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char rev[32]; 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9768e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((p = strchr(revision, ':')) != NULL && p[1]) { 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(rev, p + 2, sizeof(rev)); 9788e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((p = strchr(rev, '$')) != NULL && p > rev) 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *(p-1) = 0; 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(rev, "1.0"); 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "b1dma: revision %s\n", rev); 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98808e51533a0a26c236879ad33b2798c16328051d9Adrian Bunkstatic void __exit b1dma_exit(void) 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(b1dma_init); 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(b1dma_exit); 994