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> 235a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/gfp.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/uaccess.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capilli.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "avmcard.h" 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capicmd.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/isdn/capiutil.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic char *revision = "$Revision: 1.1.2.3 $"; 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3526fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#undef AVM_B1DMA_DEBUG 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("CAPI4Linux: DMA support for active AVM cards"); 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Carsten Paeth"); 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4390ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool suppress_pollack = 0; 448d3b33f67fdc0fb364a1ef6d8fbbea7c2e4e6c98Rusty Russellmodule_param(suppress_pollack, bool, 0); 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_dispatch_tx(avmcard *card); 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* S5933 */ 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_RXPTR 0x24 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_RXLEN 0x28 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_TXPTR 0x2c 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_TXLEN 0x30 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_INTCSR 0x38 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_READ_TC_INT 0x00008000L 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_WRITE_TC_INT 0x00004000L 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_TX_TC_INT EN_READ_TC_INT 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_RX_TC_INT EN_WRITE_TC_INT 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define AVM_FLAG 0x30000000L 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define ANY_S5933_INT 0x00800000L 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define READ_TC_INT 0x00080000L 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define WRITE_TC_INT 0x00040000L 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define TX_TC_INT READ_TC_INT 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RX_TC_INT WRITE_TC_INT 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define MASTER_ABORT_INT 0x00100000L 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define TARGET_ABORT_INT 0x00200000L 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define BUS_MASTER_INT 0x00200000L 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define ALL_INT 0x000C0000L 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AMCC_MCSR 0x3c 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define A2P_HI_PRIORITY 0x00000100L 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_A2P_TRANSFERS 0x00000400L 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define P2A_HI_PRIORITY 0x00001000L 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define EN_P2A_TRANSFERS 0x00004000L 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RESET_A2P_FLAGS 0x04000000L 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# define RESET_P2A_FLAGS 0x02000000L 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void b1dma_writel(avmcard *card, u32 value, int off) 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writel(value, card->mbase + off); 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 b1dma_readl(avmcard *card, int off) 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return readl(card->mbase + off); 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int b1dma_tx_empty(unsigned int port) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return inb(port + 0x03) & 0x1; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int b1dma_rx_full(unsigned int port) 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return inb(port + 0x02) & 0x1; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_tolink(avmcard *card, void *buf, unsigned int len) 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *s = (unsigned char *)buf; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (len--) { 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( !b1dma_tx_empty(card->port) 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && time_before(jiffies, stop)); 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_tx_empty(card->port)) 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x01, *s++); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_fromlink(avmcard *card, void *buf, unsigned int len) 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */ 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *s = (unsigned char *)buf; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (len--) { 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( !b1dma_rx_full(card->port) 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && time_before(jiffies, stop)); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_rx_full(card->port)) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = t1inp(card->port, 0x00); 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int WriteReg(avmcard *card, u32 reg, u8 val) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd = 0x00; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_tolink(card, &cmd, 1) == 0 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && b1dma_tolink(card, ®, 4) == 0) { 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp = val; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return b1dma_tolink(card, &tmp, 4); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ReadReg(avmcard *card, u32 reg) 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd = 0x01; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_tolink(card, &cmd, 1) == 0 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && b1dma_tolink(card, ®, 4) == 0) { 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1dma_fromlink(card, &tmp, 4) == 0) 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (u8)tmp; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0xff; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_byte(void **pp, u8 val) 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = val; 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_word(void **pp, u32 val) 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = val & 0xff; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 8) & 0xff; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 16) & 0xff; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *s++ = (val >> 24) & 0xff; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline void _put_slice(void **pp, unsigned char *dp, unsigned int len) 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned i = len; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(pp, i); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (i-- > 0) 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(pp, *dp++); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u8 _get_byte(void **pp) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 val; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = *s++; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 _get_word(void **pp) 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *s = *pp; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 val; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = *s++; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 8); 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 16); 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val |= (*s++ << 24); 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pp = s; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u32 _get_slice(void **pp, unsigned char *dp) 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int len, i; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = i = _get_word(pp); 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (i-- > 0) *dp++ = _get_byte(pp); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return len; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_reset(avmcard *card) 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = 0x0; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_RXLEN); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_TXLEN); 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0x00); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x00); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype == avm_t1pci) 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(42); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_detect(avmcard *card) 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */ 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(10); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_MCSR); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(42); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_RXLEN); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0, AMCC_TXLEN); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = 0x0; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1dma_readl(card, AMCC_MCSR) != 0x000000E6) 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0xffffffff, AMCC_RXPTR); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0xffffffff, AMCC_TXPTR); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_readl(card, AMCC_RXPTR) != 0xfffffffc 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || b1dma_readl(card, AMCC_TXPTR) != 0xfffffffc) 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 2; 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0, AMCC_RXPTR); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 0x0, AMCC_TXPTR); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( b1dma_readl(card, AMCC_RXPTR) != 0x0 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || b1dma_readl(card, AMCC_TXPTR) != 0x0) 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 3; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0x00); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x00); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x02, 0x02); 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x03, 0x02); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( (t1inp(card->port, 0x02) & 0xFE) != 0x02 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || t1inp(card->port, 0x3) != 0x03) 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 4; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x02, 0x00); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x03, 0x00); 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( (t1inp(card->port, 0x02) & 0xFE) != 0x00 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || t1inp(card->port, 0x3) != 0x01) 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 5; 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint t1pci_detect(avmcard *card) 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ret = b1dma_detect(card)) != 0) 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Transputer test */ 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( WriteReg(card, 0x80001000, 0x11) != 0 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80101000, 0x22) != 0 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80201000, 0x33) != 0 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80301000, 0x44) != 0) 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 6; 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( ReadReg(card, 0x80001000) != 0x11 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80101000) != 0x22 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80201000) != 0x33 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80301000) != 0x44) 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 7; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( WriteReg(card, 0x80001000, 0x55) != 0 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80101000, 0x66) != 0 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80201000, 0x77) != 0 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || WriteReg(card, 0x80301000, 0x88) != 0) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 8; 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ( ReadReg(card, 0x80001000) != 0x55 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80101000) != 0x66 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80201000) != 0x77 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || ReadReg(card, 0x80301000) != 0x88) 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 9; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint b1pciv4_detect(avmcard *card) 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret, i; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ret = b1dma_detect(card)) != 0) 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; i < 5 ; i++) { 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (WriteReg(card, 0x80A00000, 0x21) != 0) 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 6; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ReadReg(card, 0x80A00000) & 0x01) != 0x01) 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 7; 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i=0; i < 5 ; i++) { 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (WriteReg(card, 0x80A00000, 0x20) != 0) 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 8; 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ReadReg(card, 0x80A00000) & 0x01) != 0x00) 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 9; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_queue_tx(avmcard *card, struct sk_buff *skb) 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_tail(&card->dma->send_queue, skb); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(card->csr & EN_TX_TC_INT)) { 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_dispatch_tx(card); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->lock, flags); 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_dispatch_tx(avmcard *card) 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard_dmainfo *dma = card->dma; 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 cmd, subcmd; 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 len; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 txlen; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = skb_dequeue(&dma->send_queue); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = CAPIMSG_LEN(skb->data); 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len) { 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cmd = CAPIMSG_COMMAND(skb->data); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds subcmd = CAPIMSG_SUBCOMMAND(skb->data); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = dma->sendbuf.dmabuf; 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) { 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 dlen = CAPIMSG_DATALEN(skb->data); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_DATA_B3_REQ); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data, len); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data + len, dlen); 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_MESSAGE); 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_slice(&p, skb->data, len); 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf; 39726fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "tx: put msg len=%d\n", txlen); 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = skb->len-2; 40226fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_POLLDEBUG 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb->data[2] == SEND_POLLACK) 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: send ack\n", card->name); 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 40626fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "tx: put 0x%x len=%d\n", 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb->data[2], txlen); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 410d626f62b11e00c16e81e4308ab93d3f13551812aArnaldo Carvalho de Melo skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf, 411d626f62b11e00c16e81e4308ab93d3f13551812aArnaldo Carvalho de Melo skb->len - 2); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = (txlen + 3) & ~3; 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->sendbuf.dmaaddr, AMCC_TXPTR); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, txlen, AMCC_TXLEN); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr |= EN_TX_TC_INT; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_kfree_skb_any(skb); 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void queue_pollack(avmcard *card) 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(3, GFP_ATOMIC); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost poll ack\n", 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_POLLACK); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_handle_rx(avmcard *card) 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = &card->ctrlinfo[0]; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard_dmainfo *dma = card->dma; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct capi_ctr *ctrl = &cinfo->capi_ctrl; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p = dma->recvbuf.dmabuf+4; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 b1cmd = _get_byte(&p); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45726fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "rx: 0x%x %lu\n", b1cmd, (unsigned long)dma->recvlen); 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (b1cmd) { 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_DATA_B3_IND: 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DataB3Len = _get_slice(&p, card->databuf); 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (MsgLen < 30) { /* not CAPI 64Bit */ 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(card->msgbuf+MsgLen, 0, 30-MsgLen); 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = 30; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_SETLEN(card->msgbuf, 30); 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) { 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: incoming packet dropped\n", 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len); 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_handle_message(ctrl, ApplId, skb); 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_MESSAGE: 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: incoming packet dropped\n", 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); 4921e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) { 4931e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_data_b3_conf(&cinfo->ncci_head, ApplId, 4951e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil CAPIMSG_NCCI(skb->data), 4961e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil CAPIMSG_MSGID(skb->data)); 4971e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 4981e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil } 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_handle_message(ctrl, ApplId, skb); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_NEW_NCCI: 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = _get_word(&p); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCCI = _get_word(&p); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WindowSize = _get_word(&p); 5081e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize); 5101e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_FREE_NCCI: 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = _get_word(&p); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NCCI = _get_word(&p); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5181e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil if (NCCI != 0xffffffff) { 5191e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock(&card->lock); 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI); 5211e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock(&card->lock); 5221e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil } 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_START: 52626fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_POLLDEBUG 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: receive poll\n", card->name); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!suppress_pollack) 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds queue_pollack(card); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_resume_output(ctrl); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_STOP: 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_suspend_output(ctrl); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_INIT: 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->versionlen = _get_slice(&p, cinfo->versionbuf); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1_parse_version(cinfo); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: %s-card (%s) now active\n", 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->version[VER_CARDTYPE], 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cinfo->version[VER_DRIVER]); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_ctr_ready(ctrl); 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_TASK_READY: 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ApplId = (unsigned) _get_word(&p); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen] = 0; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( MsgLen > 0 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ( card->msgbuf[MsgLen-1] == '\n' 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || card->msgbuf[MsgLen-1] == '\r')) { 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen-1] = 0; 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen--; 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: task %d \"%s\" ready.\n", 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, ApplId, card->msgbuf); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case RECEIVE_DEBUGMSG: 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen = _get_slice(&p, card->msgbuf); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen] = 0; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ( MsgLen > 0 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ( card->msgbuf[MsgLen-1] == '\n' 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || card->msgbuf[MsgLen-1] == '\r')) { 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->msgbuf[MsgLen-1] = 0; 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgLen--; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_interrupt: 0x%x ???\n", 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, b1cmd); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_handle_interrupt(avmcard *card) 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 status; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 newcsr; 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&card->lock); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds status = b1dma_readl(card, AMCC_INTCSR); 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & ANY_S5933_INT) == 0) { 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds newcsr = card->csr | (status & ALL_INT); 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & TX_TC_INT) newcsr &= ~EN_TX_TC_INT; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (status & RX_TC_INT) newcsr &= ~EN_RX_TC_INT; 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, newcsr, AMCC_INTCSR); 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & RX_TC_INT) != 0) { 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct avmcard_dmainfo *dma = card->dma; 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 rxlen; 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->dma->recvlen == 0) { 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = b1dma_readl(card, AMCC_RXLEN); 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rxlen == 0) { 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma->recvlen = *((u32 *)dma->recvbuf.dmabuf); 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = (dma->recvlen + 3) & ~3; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->recvbuf.dmaaddr+4, AMCC_RXPTR); 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, rxlen, AMCC_RXLEN); 61226fb5c5810afa0d8209ceff7cb267398be53829dRobert P. J. Day#ifdef AVM_B1DMA_DEBUG 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: rx not complete (%d).\n", 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name, rxlen); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_handle_rx(card); 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma->recvlen = 0; 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock(&card->lock); 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, dma->recvbuf.dmaaddr, AMCC_RXPTR); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 4, AMCC_RXLEN); 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((status & TX_TC_INT) != 0) { 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (skb_queue_empty(&card->dma->send_queue)) 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr &= ~EN_TX_TC_INT; 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_dispatch_tx(card); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock(&card->lock); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6397d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsirqreturn_t b1dma_interrupt(int interrupt, void *devptr) 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = devptr; 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_handle_interrupt(card); 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return IRQ_HANDLED; 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int b1dma_loaded(avmcard *card) 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long stop; 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char ans; 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long tout = 2; 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int base = card->port; 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) { 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1_tx_empty(base)) 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1_tx_empty(base)) { 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: tx err, corrupted t4 file ?\n", 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1_put_byte(base, SEND_POLLACK); 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) { 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (b1_rx_full(base)) { 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((ans = b1_get_byte(base)) == RECEIVE_POLLDWORD) { 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: got 0x%x, firmware not running in dword mode\n", card->name, ans); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: b1dma_loaded: firmware not running\n", card->name); 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void b1dma_send_init(avmcard *card) 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(15, GFP_ATOMIC); 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost register appl.\n", 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_INIT); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, CAPI_MAXAPPL); 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, AVM_NCCI_PER_CHANNEL*30); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, card->cardnr - 1); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint b1dma_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int retval; 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((retval = b1_load_t4file(card, &data->firmware))) { 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load t4file!!\n", 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->configuration.len > 0 && data->configuration.data) { 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((retval = b1_load_config(card, &data->configuration))) { 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load config!!\n", 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!b1dma_loaded(card)) { 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_ERR "%s: failed to load t4file.\n", card->name); 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EIO; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr = AVM_FLAG; 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, EN_A2P_TRANSFERS|EN_P2A_TRANSFERS|A2P_HI_PRIORITY| 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds P2A_HI_PRIORITY|RESET_A2P_FLAGS|RESET_P2A_FLAGS, 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AMCC_MCSR); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x07, 0x30); 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t1outp(card->port, 0x10, 0xF0); 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->dma->recvlen = 0; 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->dma->recvbuf.dmaaddr, AMCC_RXPTR); 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, 4, AMCC_RXLEN); 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->csr |= EN_RX_TC_INT; 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_writel(card, card->csr, AMCC_INTCSR); 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_send_init(card); 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_reset_ctr(struct capi_ctr *ctrl) 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_reset(card); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(cinfo->version, 0, sizeof(cinfo->version)); 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_release(&cinfo->ncci_head); 7641e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 7654e329972052c3649367b91de783f6293b8653cb2Tilman Schmidt capi_ctr_down(ctrl); 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_register_appl(struct capi_ctr *ctrl, 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 appl, 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capi_register_params *rp) 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int want = rp->level3cnt; 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nconn; 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (want > 0) nconn = want; 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else nconn = ctrl->profile.nbchannel * -want; 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nconn == 0) nconn = ctrl->profile.nbchannel; 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(23, GFP_ATOMIC); 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost register appl.\n", 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_REGISTER); 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, appl); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, 1024 * (nconn+1)); 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, nconn); 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, rp->datablkcnt); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, rp->datablklen); 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid b1dma_release_appl(struct capi_ctr *ctrl, u16 appl) 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb; 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *p; 8131e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil unsigned long flags; 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8151e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock_irqsave(&card->lock, flags); 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds capilib_release_appl(&cinfo->ncci_head, appl); 8171e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb = alloc_skb(7, GFP_ATOMIC); 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!skb) { 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_CRIT "%s: no memory, lost release appl.\n", 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds card->name); 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = skb->data; 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, 0); 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_byte(&p, SEND_RELEASE); 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds _put_word(&p, appl); 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_put(skb, (u8 *)p - (u8 *)skb->data); 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsu16 b1dma_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 retval = CAPI_NOERROR; 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { 8451e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil unsigned long flags; 8461e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_lock_irqsave(&card->lock, flags); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds retval = capilib_data_b3_req(&cinfo->ncci_head, 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_APPID(skb->data), 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_NCCI(skb->data), 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CAPIMSG_MSGID(skb->data)); 8511e9c7813723c925623f2e21a93e2d5dc05ea8d12Karsten Keil spin_unlock_irqrestore(&card->lock, flags); 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (retval == CAPI_NOERROR) 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds b1dma_queue_tx(card, skb); 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return retval; 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8619a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanstatic int b1dmactl_proc_show(struct seq_file *m, void *v) 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8639a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan struct capi_ctr *ctrl = m->private; 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds avmcard *card = cinfo->card; 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 flag; 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *s; 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 txoff, txlen, rxoff, rxlen, csr; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8719a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "name", card->name); 8729a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%x\n", "io", card->port); 8739a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %d\n", "irq", card->irq); 8749a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "membase", card->membase); 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (card->cardtype) { 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1isa: s = "B1 ISA"; break; 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1pci: s = "B1 PCI"; break; 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_b1pcmcia: s = "B1 PCMCIA"; break; 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_m1: s = "M1"; break; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_m2: s = "M2"; break; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_t1isa: s = "T1 ISA (HEMA)"; break; 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_t1pci: s = "T1 PCI"; break; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_c4: s = "C4"; break; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case avm_c2: s = "C2"; break; 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: s = "???"; break; 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8879a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "type", s); 8888e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_DRIVER]) != NULL) 8899a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_driver", s); 8908e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_CARDTYPE]) != NULL) 8919a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_cardtype", s); 8928e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((s = cinfo->version[VER_SERIAL]) != NULL) 8939a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "ver_serial", s); 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype != avm_m1) { 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag = ((u8 *)(ctrl->profile.manu))[3]; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag) 8989a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s%s%s%s%s%s%s%s\n", 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "protocol", 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x01) ? " DSS1" : "", 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x02) ? " CT1" : "", 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x04) ? " VN3" : "", 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x08) ? " NI1" : "", 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x10) ? " AUSTEL" : "", 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x20) ? " ESS" : "", 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x40) ? " 1TR6" : "" 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (card->cardtype != avm_m1) { 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds flag = ((u8 *)(ctrl->profile.manu))[5]; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag) 9129a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s%s%s%s%s\n", 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "linetype", 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x01) ? " point to point" : "", 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x02) ? " point to multipoint" : "", 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x08) ? " leased line without D-channel" : "", 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (flag & 0x04) ? " leased line with D-channel" : "" 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ); 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9209a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname); 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&card->lock, flags); 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txoff = (dma_addr_t)b1dma_readl(card, AMCC_TXPTR)-card->dma->sendbuf.dmaaddr; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds txlen = b1dma_readl(card, AMCC_TXLEN); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxoff = (dma_addr_t)b1dma_readl(card, AMCC_RXPTR)-card->dma->recvbuf.dmaaddr; 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds rxlen = b1dma_readl(card, AMCC_RXLEN); 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds csr = b1dma_readl(card, AMCC_INTCSR); 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&card->lock, flags); 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9359a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "csr (cached)", (unsigned long)card->csr); 9369a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s 0x%lx\n", "csr", (unsigned long)csr); 9379a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "txoff", (unsigned long)txoff); 9389a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "txlen", (unsigned long)txlen); 9399a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "rxoff", (unsigned long)rxoff); 9409a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan seq_printf(m, "%-16s %lu\n", "rxlen", (unsigned long)rxlen); 9419a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9429a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan return 0; 9439a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan} 9449a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9459a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanstatic int b1dmactl_proc_open(struct inode *inode, struct file *file) 9469a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan{ 9479a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan return single_open(file, b1dmactl_proc_show, PDE(inode)->data); 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9509a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyanconst struct file_operations b1dmactl_proc_fops = { 9519a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .owner = THIS_MODULE, 9529a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .open = b1dmactl_proc_open, 9539a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .read = seq_read, 9549a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .llseek = seq_lseek, 9559a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan .release = single_release, 9569a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan}; 9579a58a80a701bdb2d220cdab4914218df5b48d781Alexey DobriyanEXPORT_SYMBOL(b1dmactl_proc_fops); 9589a58a80a701bdb2d220cdab4914218df5b48d781Alexey Dobriyan 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ------------------------------------------------------------- */ 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_reset); 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(t1pci_detect); 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1pciv4_detect); 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_interrupt); 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_load_firmware); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_reset_ctr); 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_register_appl); 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_release_appl); 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(b1dma_send_message); 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 97208e51533a0a26c236879ad33b2798c16328051d9Adrian Bunkstatic int __init b1dma_init(void) 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *p; 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char rev[32]; 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9778e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((p = strchr(revision, ':')) != NULL && p[1]) { 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(rev, p + 2, sizeof(rev)); 9798e44b29da5300f4698c41b5fd2d1ce52c28e2148Harvey Harrison if ((p = strchr(rev, '$')) != NULL && p > rev) 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *(p-1) = 0; 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(rev, "1.0"); 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "b1dma: revision %s\n", rev); 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98908e51533a0a26c236879ad33b2798c16328051d9Adrian Bunkstatic void __exit b1dma_exit(void) 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(b1dma_init); 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(b1dma_exit); 995