11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds A FORE Systems 200E-series driver for ATM on Linux. 31da177e4SLinus Torvalds Christophe Lizzi (lizzi@cnam.fr), October 1999-March 2003. 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds Based on the PCA-200E driver from Uwe Dannowski (Uwe.Dannowski@inf.tu-dresden.de). 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds This driver simultaneously supports PCA-200E and SBA-200E adapters 81da177e4SLinus Torvalds on i386, alpha (untested), powerpc, sparc and sparc64 architectures. 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds This program is free software; you can redistribute it and/or modify 111da177e4SLinus Torvalds it under the terms of the GNU General Public License as published by 121da177e4SLinus Torvalds the Free Software Foundation; either version 2 of the License, or 131da177e4SLinus Torvalds (at your option) any later version. 141da177e4SLinus Torvalds 151da177e4SLinus Torvalds This program is distributed in the hope that it will be useful, 161da177e4SLinus Torvalds but WITHOUT ANY WARRANTY; without even the implied warranty of 171da177e4SLinus Torvalds MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 181da177e4SLinus Torvalds GNU General Public License for more details. 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds You should have received a copy of the GNU General Public License 211da177e4SLinus Torvalds along with this program; if not, write to the Free Software 221da177e4SLinus Torvalds Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 231da177e4SLinus Torvalds */ 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #include <linux/kernel.h> 271da177e4SLinus Torvalds #include <linux/slab.h> 281da177e4SLinus Torvalds #include <linux/init.h> 291da177e4SLinus Torvalds #include <linux/capability.h> 301da177e4SLinus Torvalds #include <linux/interrupt.h> 311da177e4SLinus Torvalds #include <linux/bitops.h> 321da177e4SLinus Torvalds #include <linux/pci.h> 331da177e4SLinus Torvalds #include <linux/module.h> 341da177e4SLinus Torvalds #include <linux/atmdev.h> 351da177e4SLinus Torvalds #include <linux/sonet.h> 361da177e4SLinus Torvalds #include <linux/atm_suni.h> 371da177e4SLinus Torvalds #include <linux/dma-mapping.h> 381da177e4SLinus Torvalds #include <linux/delay.h> 39e92481f9SChas Williams #include <linux/firmware.h> 401da177e4SLinus Torvalds #include <asm/io.h> 411da177e4SLinus Torvalds #include <asm/string.h> 421da177e4SLinus Torvalds #include <asm/page.h> 431da177e4SLinus Torvalds #include <asm/irq.h> 441da177e4SLinus Torvalds #include <asm/dma.h> 451da177e4SLinus Torvalds #include <asm/byteorder.h> 467c0f6ba6SLinus Torvalds #include <linux/uaccess.h> 4760063497SArun Sharma #include <linux/atomic.h> 481da177e4SLinus Torvalds 49e92481f9SChas Williams #ifdef CONFIG_SBUS 50826b6cfcSDavid S. Miller #include <linux/of.h> 51826b6cfcSDavid S. Miller #include <linux/of_device.h> 521da177e4SLinus Torvalds #include <asm/idprom.h> 531da177e4SLinus Torvalds #include <asm/openprom.h> 541da177e4SLinus Torvalds #include <asm/oplib.h> 551da177e4SLinus Torvalds #include <asm/pgtable.h> 561da177e4SLinus Torvalds #endif 571da177e4SLinus Torvalds 581da177e4SLinus Torvalds #if defined(CONFIG_ATM_FORE200E_USE_TASKLET) /* defer interrupt work to a tasklet */ 591da177e4SLinus Torvalds #define FORE200E_USE_TASKLET 601da177e4SLinus Torvalds #endif 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds #if 0 /* enable the debugging code of the buffer supply queues */ 631da177e4SLinus Torvalds #define FORE200E_BSQ_DEBUG 641da177e4SLinus Torvalds #endif 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds #if 1 /* ensure correct handling of 52-byte AAL0 SDUs expected by atmdump-like apps */ 671da177e4SLinus Torvalds #define FORE200E_52BYTE_AAL0_SDU 681da177e4SLinus Torvalds #endif 691da177e4SLinus Torvalds 701da177e4SLinus Torvalds #include "fore200e.h" 711da177e4SLinus Torvalds #include "suni.h" 721da177e4SLinus Torvalds 731da177e4SLinus Torvalds #define FORE200E_VERSION "0.3e" 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds #define FORE200E "fore200e: " 761da177e4SLinus Torvalds 771da177e4SLinus Torvalds #if 0 /* override .config */ 781da177e4SLinus Torvalds #define CONFIG_ATM_FORE200E_DEBUG 1 791da177e4SLinus Torvalds #endif 801da177e4SLinus Torvalds #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) 811da177e4SLinus Torvalds #define DPRINTK(level, format, args...) do { if (CONFIG_ATM_FORE200E_DEBUG >= (level)) \ 821da177e4SLinus Torvalds printk(FORE200E format, ##args); } while (0) 831da177e4SLinus Torvalds #else 841da177e4SLinus Torvalds #define DPRINTK(level, format, args...) do {} while (0) 851da177e4SLinus Torvalds #endif 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds #define FORE200E_ALIGN(addr, alignment) \ 891da177e4SLinus Torvalds ((((unsigned long)(addr) + (alignment - 1)) & ~(alignment - 1)) - (unsigned long)(addr)) 901da177e4SLinus Torvalds 911da177e4SLinus Torvalds #define FORE200E_DMA_INDEX(dma_addr, type, index) ((dma_addr) + (index) * sizeof(type)) 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds #define FORE200E_INDEX(virt_addr, type, index) (&((type *)(virt_addr))[ index ]) 941da177e4SLinus Torvalds 9530dfe2c0SDavid S. Miller #define FORE200E_NEXT_ENTRY(index, modulo) (index = ((index) + 1) % (modulo)) 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds #if 1 981da177e4SLinus Torvalds #define ASSERT(expr) if (!(expr)) { \ 991da177e4SLinus Torvalds printk(FORE200E "assertion failed! %s[%d]: %s\n", \ 1005a346a10SHarvey Harrison __func__, __LINE__, #expr); \ 1015a346a10SHarvey Harrison panic(FORE200E "%s", __func__); \ 1021da177e4SLinus Torvalds } 1031da177e4SLinus Torvalds #else 1041da177e4SLinus Torvalds #define ASSERT(expr) do {} while (0) 1051da177e4SLinus Torvalds #endif 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds static const struct atmdev_ops fore200e_ops; 1091da177e4SLinus Torvalds static const struct fore200e_bus fore200e_bus[]; 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds static LIST_HEAD(fore200e_boards); 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds MODULE_AUTHOR("Christophe Lizzi - credits to Uwe Dannowski and Heikki Vatiainen"); 1151da177e4SLinus Torvalds MODULE_DESCRIPTION("FORE Systems 200E-series ATM driver - version " FORE200E_VERSION); 1161da177e4SLinus Torvalds MODULE_SUPPORTED_DEVICE("PCA-200E, SBA-200E"); 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds static const int fore200e_rx_buf_nbr[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { 1201da177e4SLinus Torvalds { BUFFER_S1_NBR, BUFFER_L1_NBR }, 1211da177e4SLinus Torvalds { BUFFER_S2_NBR, BUFFER_L2_NBR } 1221da177e4SLinus Torvalds }; 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvalds static const int fore200e_rx_buf_size[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { 1251da177e4SLinus Torvalds { BUFFER_S1_SIZE, BUFFER_L1_SIZE }, 1261da177e4SLinus Torvalds { BUFFER_S2_SIZE, BUFFER_L2_SIZE } 1271da177e4SLinus Torvalds }; 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvalds 1301da177e4SLinus Torvalds #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) 1311da177e4SLinus Torvalds static const char* fore200e_traffic_class[] = { "NONE", "UBR", "CBR", "VBR", "ABR", "ANY" }; 1321da177e4SLinus Torvalds #endif 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds #if 0 /* currently unused */ 1361da177e4SLinus Torvalds static int 1371da177e4SLinus Torvalds fore200e_fore2atm_aal(enum fore200e_aal aal) 1381da177e4SLinus Torvalds { 1391da177e4SLinus Torvalds switch(aal) { 1401da177e4SLinus Torvalds case FORE200E_AAL0: return ATM_AAL0; 1411da177e4SLinus Torvalds case FORE200E_AAL34: return ATM_AAL34; 1421da177e4SLinus Torvalds case FORE200E_AAL5: return ATM_AAL5; 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds return -EINVAL; 1461da177e4SLinus Torvalds } 1471da177e4SLinus Torvalds #endif 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds static enum fore200e_aal 1511da177e4SLinus Torvalds fore200e_atm2fore_aal(int aal) 1521da177e4SLinus Torvalds { 1531da177e4SLinus Torvalds switch(aal) { 1541da177e4SLinus Torvalds case ATM_AAL0: return FORE200E_AAL0; 1551da177e4SLinus Torvalds case ATM_AAL34: return FORE200E_AAL34; 1561da177e4SLinus Torvalds case ATM_AAL1: 1571da177e4SLinus Torvalds case ATM_AAL2: 1581da177e4SLinus Torvalds case ATM_AAL5: return FORE200E_AAL5; 1591da177e4SLinus Torvalds } 1601da177e4SLinus Torvalds 1611da177e4SLinus Torvalds return -EINVAL; 1621da177e4SLinus Torvalds } 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds static char* 1661da177e4SLinus Torvalds fore200e_irq_itoa(int irq) 1671da177e4SLinus Torvalds { 1681da177e4SLinus Torvalds static char str[8]; 1691da177e4SLinus Torvalds sprintf(str, "%d", irq); 1701da177e4SLinus Torvalds return str; 1711da177e4SLinus Torvalds } 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds /* allocate and align a chunk of memory intended to hold the data behing exchanged 1751da177e4SLinus Torvalds between the driver and the adapter (using streaming DVMA) */ 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds static int 1781da177e4SLinus Torvalds fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, int alignment, int direction) 1791da177e4SLinus Torvalds { 1801da177e4SLinus Torvalds unsigned long offset = 0; 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvalds if (alignment <= sizeof(int)) 1831da177e4SLinus Torvalds alignment = 0; 1841da177e4SLinus Torvalds 1851da177e4SLinus Torvalds chunk->alloc_size = size + alignment; 1861da177e4SLinus Torvalds chunk->align_size = size; 1871da177e4SLinus Torvalds chunk->direction = direction; 1881da177e4SLinus Torvalds 1891f8a5fb8SAdrian Bunk chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL | GFP_DMA); 1901da177e4SLinus Torvalds if (chunk->alloc_addr == NULL) 1911da177e4SLinus Torvalds return -ENOMEM; 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds if (alignment > 0) 1941da177e4SLinus Torvalds offset = FORE200E_ALIGN(chunk->alloc_addr, alignment); 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds chunk->align_addr = chunk->alloc_addr + offset; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds chunk->dma_addr = fore200e->bus->dma_map(fore200e, chunk->align_addr, chunk->align_size, direction); 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds return 0; 2011da177e4SLinus Torvalds } 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds /* free a chunk of memory */ 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvalds static void 2071da177e4SLinus Torvalds fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk) 2081da177e4SLinus Torvalds { 2091da177e4SLinus Torvalds fore200e->bus->dma_unmap(fore200e, chunk->dma_addr, chunk->dma_size, chunk->direction); 2101da177e4SLinus Torvalds 2111f8a5fb8SAdrian Bunk kfree(chunk->alloc_addr); 2121da177e4SLinus Torvalds } 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvalds static void 2161da177e4SLinus Torvalds fore200e_spin(int msecs) 2171da177e4SLinus Torvalds { 2181da177e4SLinus Torvalds unsigned long timeout = jiffies + msecs_to_jiffies(msecs); 2191da177e4SLinus Torvalds while (time_before(jiffies, timeout)); 2201da177e4SLinus Torvalds } 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvalds static int 2241da177e4SLinus Torvalds fore200e_poll(struct fore200e* fore200e, volatile u32* addr, u32 val, int msecs) 2251da177e4SLinus Torvalds { 2261da177e4SLinus Torvalds unsigned long timeout = jiffies + msecs_to_jiffies(msecs); 2271da177e4SLinus Torvalds int ok; 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds mb(); 2301da177e4SLinus Torvalds do { 2311da177e4SLinus Torvalds if ((ok = (*addr == val)) || (*addr & STATUS_ERROR)) 2321da177e4SLinus Torvalds break; 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvalds } while (time_before(jiffies, timeout)); 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds #if 1 2371da177e4SLinus Torvalds if (!ok) { 2381da177e4SLinus Torvalds printk(FORE200E "cmd polling failed, got status 0x%08x, expected 0x%08x\n", 2391da177e4SLinus Torvalds *addr, val); 2401da177e4SLinus Torvalds } 2411da177e4SLinus Torvalds #endif 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds return ok; 2441da177e4SLinus Torvalds } 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds static int 2481da177e4SLinus Torvalds fore200e_io_poll(struct fore200e* fore200e, volatile u32 __iomem *addr, u32 val, int msecs) 2491da177e4SLinus Torvalds { 2501da177e4SLinus Torvalds unsigned long timeout = jiffies + msecs_to_jiffies(msecs); 2511da177e4SLinus Torvalds int ok; 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds do { 2541da177e4SLinus Torvalds if ((ok = (fore200e->bus->read(addr) == val))) 2551da177e4SLinus Torvalds break; 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds } while (time_before(jiffies, timeout)); 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds #if 1 2601da177e4SLinus Torvalds if (!ok) { 2611da177e4SLinus Torvalds printk(FORE200E "I/O polling failed, got status 0x%08x, expected 0x%08x\n", 2621da177e4SLinus Torvalds fore200e->bus->read(addr), val); 2631da177e4SLinus Torvalds } 2641da177e4SLinus Torvalds #endif 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds return ok; 2671da177e4SLinus Torvalds } 2681da177e4SLinus Torvalds 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds static void 2711da177e4SLinus Torvalds fore200e_free_rx_buf(struct fore200e* fore200e) 2721da177e4SLinus Torvalds { 2731da177e4SLinus Torvalds int scheme, magn, nbr; 2741da177e4SLinus Torvalds struct buffer* buffer; 2751da177e4SLinus Torvalds 2761da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { 2771da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds if ((buffer = fore200e->host_bsq[ scheme ][ magn ].buffer) != NULL) { 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds for (nbr = 0; nbr < fore200e_rx_buf_nbr[ scheme ][ magn ]; nbr++) { 2821da177e4SLinus Torvalds 2831da177e4SLinus Torvalds struct chunk* data = &buffer[ nbr ].data; 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds if (data->alloc_addr != NULL) 2861da177e4SLinus Torvalds fore200e_chunk_free(fore200e, data); 2871da177e4SLinus Torvalds } 2881da177e4SLinus Torvalds } 2891da177e4SLinus Torvalds } 2901da177e4SLinus Torvalds } 2911da177e4SLinus Torvalds } 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds static void 2951da177e4SLinus Torvalds fore200e_uninit_bs_queue(struct fore200e* fore200e) 2961da177e4SLinus Torvalds { 2971da177e4SLinus Torvalds int scheme, magn; 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { 3001da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds struct chunk* status = &fore200e->host_bsq[ scheme ][ magn ].status; 3031da177e4SLinus Torvalds struct chunk* rbd_block = &fore200e->host_bsq[ scheme ][ magn ].rbd_block; 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds if (status->alloc_addr) 3061da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, status); 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds if (rbd_block->alloc_addr) 3091da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, rbd_block); 3101da177e4SLinus Torvalds } 3111da177e4SLinus Torvalds } 3121da177e4SLinus Torvalds } 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds static int 3161da177e4SLinus Torvalds fore200e_reset(struct fore200e* fore200e, int diag) 3171da177e4SLinus Torvalds { 3181da177e4SLinus Torvalds int ok; 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds fore200e->cp_monitor = fore200e->virt_base + FORE200E_CP_MONITOR_OFFSET; 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvalds fore200e->bus->write(BSTAT_COLD_START, &fore200e->cp_monitor->bstat); 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds fore200e->bus->reset(fore200e); 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds if (diag) { 3271da177e4SLinus Torvalds ok = fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_SELFTEST_OK, 1000); 3281da177e4SLinus Torvalds if (ok == 0) { 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds printk(FORE200E "device %s self-test failed\n", fore200e->name); 3311da177e4SLinus Torvalds return -ENODEV; 3321da177e4SLinus Torvalds } 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds printk(FORE200E "device %s self-test passed\n", fore200e->name); 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_RESET; 3371da177e4SLinus Torvalds } 3381da177e4SLinus Torvalds 3391da177e4SLinus Torvalds return 0; 3401da177e4SLinus Torvalds } 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds static void 3441da177e4SLinus Torvalds fore200e_shutdown(struct fore200e* fore200e) 3451da177e4SLinus Torvalds { 3461da177e4SLinus Torvalds printk(FORE200E "removing device %s at 0x%lx, IRQ %s\n", 3471da177e4SLinus Torvalds fore200e->name, fore200e->phys_base, 3481da177e4SLinus Torvalds fore200e_irq_itoa(fore200e->irq)); 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds if (fore200e->state > FORE200E_STATE_RESET) { 3511da177e4SLinus Torvalds /* first, reset the board to prevent further interrupts or data transfers */ 3521da177e4SLinus Torvalds fore200e_reset(fore200e, 0); 3531da177e4SLinus Torvalds } 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds /* then, release all allocated resources */ 3561da177e4SLinus Torvalds switch(fore200e->state) { 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds case FORE200E_STATE_COMPLETE: 3591da177e4SLinus Torvalds kfree(fore200e->stats); 3601da177e4SLinus Torvalds 361ec0d0987SGustavo A. R. Silva /* fall through */ 3621da177e4SLinus Torvalds case FORE200E_STATE_IRQ: 3631da177e4SLinus Torvalds free_irq(fore200e->irq, fore200e->atm_dev); 3641da177e4SLinus Torvalds 365ec0d0987SGustavo A. R. Silva /* fall through */ 3661da177e4SLinus Torvalds case FORE200E_STATE_ALLOC_BUF: 3671da177e4SLinus Torvalds fore200e_free_rx_buf(fore200e); 3681da177e4SLinus Torvalds 369ec0d0987SGustavo A. R. Silva /* fall through */ 3701da177e4SLinus Torvalds case FORE200E_STATE_INIT_BSQ: 3711da177e4SLinus Torvalds fore200e_uninit_bs_queue(fore200e); 3721da177e4SLinus Torvalds 373ec0d0987SGustavo A. R. Silva /* fall through */ 3741da177e4SLinus Torvalds case FORE200E_STATE_INIT_RXQ: 3751da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.status); 3761da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.rpd); 3771da177e4SLinus Torvalds 378ec0d0987SGustavo A. R. Silva /* fall through */ 3791da177e4SLinus Torvalds case FORE200E_STATE_INIT_TXQ: 3801da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.status); 3811da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.tpd); 3821da177e4SLinus Torvalds 383ec0d0987SGustavo A. R. Silva /* fall through */ 3841da177e4SLinus Torvalds case FORE200E_STATE_INIT_CMDQ: 3851da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_cmdq.status); 3861da177e4SLinus Torvalds 387ec0d0987SGustavo A. R. Silva /* fall through */ 3881da177e4SLinus Torvalds case FORE200E_STATE_INITIALIZE: 3891da177e4SLinus Torvalds /* nothing to do for that state */ 3901da177e4SLinus Torvalds 3911da177e4SLinus Torvalds case FORE200E_STATE_START_FW: 3921da177e4SLinus Torvalds /* nothing to do for that state */ 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds case FORE200E_STATE_RESET: 3951da177e4SLinus Torvalds /* nothing to do for that state */ 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds case FORE200E_STATE_MAP: 3981da177e4SLinus Torvalds fore200e->bus->unmap(fore200e); 3991da177e4SLinus Torvalds 400ec0d0987SGustavo A. R. Silva /* fall through */ 4011da177e4SLinus Torvalds case FORE200E_STATE_CONFIGURE: 4021da177e4SLinus Torvalds /* nothing to do for that state */ 4031da177e4SLinus Torvalds 4041da177e4SLinus Torvalds case FORE200E_STATE_REGISTER: 4051da177e4SLinus Torvalds /* XXX shouldn't we *start* by deregistering the device? */ 4061da177e4SLinus Torvalds atm_dev_deregister(fore200e->atm_dev); 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvalds case FORE200E_STATE_BLANK: 4091da177e4SLinus Torvalds /* nothing to do for that state */ 4101da177e4SLinus Torvalds break; 4111da177e4SLinus Torvalds } 4121da177e4SLinus Torvalds } 4131da177e4SLinus Torvalds 4141da177e4SLinus Torvalds 415e92481f9SChas Williams #ifdef CONFIG_PCI 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds static u32 fore200e_pca_read(volatile u32 __iomem *addr) 4181da177e4SLinus Torvalds { 4191da177e4SLinus Torvalds /* on big-endian hosts, the board is configured to convert 4201da177e4SLinus Torvalds the endianess of slave RAM accesses */ 4211da177e4SLinus Torvalds return le32_to_cpu(readl(addr)); 4221da177e4SLinus Torvalds } 4231da177e4SLinus Torvalds 4241da177e4SLinus Torvalds 4251da177e4SLinus Torvalds static void fore200e_pca_write(u32 val, volatile u32 __iomem *addr) 4261da177e4SLinus Torvalds { 4271da177e4SLinus Torvalds /* on big-endian hosts, the board is configured to convert 4281da177e4SLinus Torvalds the endianess of slave RAM accesses */ 4291da177e4SLinus Torvalds writel(cpu_to_le32(val), addr); 4301da177e4SLinus Torvalds } 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvalds 4331da177e4SLinus Torvalds static u32 4341da177e4SLinus Torvalds fore200e_pca_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction) 4351da177e4SLinus Torvalds { 436ede58ef2Schas williams - CONTRACTOR u32 dma_addr = dma_map_single(&((struct pci_dev *) fore200e->bus_dev)->dev, virt_addr, size, direction); 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds DPRINTK(3, "PCI DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d, --> dma_addr = 0x%08x\n", 4391da177e4SLinus Torvalds virt_addr, size, direction, dma_addr); 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds return dma_addr; 4421da177e4SLinus Torvalds } 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds 4451da177e4SLinus Torvalds static void 4461da177e4SLinus Torvalds fore200e_pca_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction) 4471da177e4SLinus Torvalds { 4481da177e4SLinus Torvalds DPRINTK(3, "PCI DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d\n", 4491da177e4SLinus Torvalds dma_addr, size, direction); 4501da177e4SLinus Torvalds 451ede58ef2Schas williams - CONTRACTOR dma_unmap_single(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction); 4521da177e4SLinus Torvalds } 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds 4551da177e4SLinus Torvalds static void 4561da177e4SLinus Torvalds fore200e_pca_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction) 4571da177e4SLinus Torvalds { 4581da177e4SLinus Torvalds DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); 4591da177e4SLinus Torvalds 460ede58ef2Schas williams - CONTRACTOR dma_sync_single_for_cpu(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction); 4611da177e4SLinus Torvalds } 4621da177e4SLinus Torvalds 4631da177e4SLinus Torvalds static void 4641da177e4SLinus Torvalds fore200e_pca_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); 4671da177e4SLinus Torvalds 468ede58ef2Schas williams - CONTRACTOR dma_sync_single_for_device(&((struct pci_dev *) fore200e->bus_dev)->dev, dma_addr, size, direction); 4691da177e4SLinus Torvalds } 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds /* allocate a DMA consistent chunk of memory intended to act as a communication mechanism 4731da177e4SLinus Torvalds (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */ 4741da177e4SLinus Torvalds 4751da177e4SLinus Torvalds static int 4761da177e4SLinus Torvalds fore200e_pca_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, 4771da177e4SLinus Torvalds int size, int nbr, int alignment) 4781da177e4SLinus Torvalds { 4791da177e4SLinus Torvalds /* returned chunks are page-aligned */ 4801da177e4SLinus Torvalds chunk->alloc_size = size * nbr; 481ede58ef2Schas williams - CONTRACTOR chunk->alloc_addr = dma_alloc_coherent(&((struct pci_dev *) fore200e->bus_dev)->dev, 4821da177e4SLinus Torvalds chunk->alloc_size, 483ede58ef2Schas williams - CONTRACTOR &chunk->dma_addr, 484ede58ef2Schas williams - CONTRACTOR GFP_KERNEL); 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) 4871da177e4SLinus Torvalds return -ENOMEM; 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvalds chunk->align_addr = chunk->alloc_addr; 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvalds return 0; 4921da177e4SLinus Torvalds } 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds /* free a DMA consistent chunk of memory */ 4961da177e4SLinus Torvalds 4971da177e4SLinus Torvalds static void 4981da177e4SLinus Torvalds fore200e_pca_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk) 4991da177e4SLinus Torvalds { 500ede58ef2Schas williams - CONTRACTOR dma_free_coherent(&((struct pci_dev *) fore200e->bus_dev)->dev, 5011da177e4SLinus Torvalds chunk->alloc_size, 5021da177e4SLinus Torvalds chunk->alloc_addr, 5031da177e4SLinus Torvalds chunk->dma_addr); 5041da177e4SLinus Torvalds } 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds static int 5081da177e4SLinus Torvalds fore200e_pca_irq_check(struct fore200e* fore200e) 5091da177e4SLinus Torvalds { 5101da177e4SLinus Torvalds /* this is a 1 bit register */ 5111da177e4SLinus Torvalds int irq_posted = readl(fore200e->regs.pca.psr); 5121da177e4SLinus Torvalds 5131da177e4SLinus Torvalds #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG == 2) 5141da177e4SLinus Torvalds if (irq_posted && (readl(fore200e->regs.pca.hcr) & PCA200E_HCR_OUTFULL)) { 5151da177e4SLinus Torvalds DPRINTK(2,"FIFO OUT full, device %d\n", fore200e->atm_dev->number); 5161da177e4SLinus Torvalds } 5171da177e4SLinus Torvalds #endif 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds return irq_posted; 5201da177e4SLinus Torvalds } 5211da177e4SLinus Torvalds 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds static void 5241da177e4SLinus Torvalds fore200e_pca_irq_ack(struct fore200e* fore200e) 5251da177e4SLinus Torvalds { 5261da177e4SLinus Torvalds writel(PCA200E_HCR_CLRINTR, fore200e->regs.pca.hcr); 5271da177e4SLinus Torvalds } 5281da177e4SLinus Torvalds 5291da177e4SLinus Torvalds 5301da177e4SLinus Torvalds static void 5311da177e4SLinus Torvalds fore200e_pca_reset(struct fore200e* fore200e) 5321da177e4SLinus Torvalds { 5331da177e4SLinus Torvalds writel(PCA200E_HCR_RESET, fore200e->regs.pca.hcr); 5341da177e4SLinus Torvalds fore200e_spin(10); 5351da177e4SLinus Torvalds writel(0, fore200e->regs.pca.hcr); 5361da177e4SLinus Torvalds } 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds 5396c44512dSGreg Kroah-Hartman static int fore200e_pca_map(struct fore200e* fore200e) 5401da177e4SLinus Torvalds { 5411da177e4SLinus Torvalds DPRINTK(2, "device %s being mapped in memory\n", fore200e->name); 5421da177e4SLinus Torvalds 5431da177e4SLinus Torvalds fore200e->virt_base = ioremap(fore200e->phys_base, PCA200E_IOSPACE_LENGTH); 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds if (fore200e->virt_base == NULL) { 5461da177e4SLinus Torvalds printk(FORE200E "can't map device %s\n", fore200e->name); 5471da177e4SLinus Torvalds return -EFAULT; 5481da177e4SLinus Torvalds } 5491da177e4SLinus Torvalds 5501da177e4SLinus Torvalds DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvalds /* gain access to the PCA specific registers */ 5531da177e4SLinus Torvalds fore200e->regs.pca.hcr = fore200e->virt_base + PCA200E_HCR_OFFSET; 5541da177e4SLinus Torvalds fore200e->regs.pca.imr = fore200e->virt_base + PCA200E_IMR_OFFSET; 5551da177e4SLinus Torvalds fore200e->regs.pca.psr = fore200e->virt_base + PCA200E_PSR_OFFSET; 5561da177e4SLinus Torvalds 5571da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_MAP; 5581da177e4SLinus Torvalds return 0; 5591da177e4SLinus Torvalds } 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds static void 5631da177e4SLinus Torvalds fore200e_pca_unmap(struct fore200e* fore200e) 5641da177e4SLinus Torvalds { 5651da177e4SLinus Torvalds DPRINTK(2, "device %s being unmapped from memory\n", fore200e->name); 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds if (fore200e->virt_base != NULL) 5681da177e4SLinus Torvalds iounmap(fore200e->virt_base); 5691da177e4SLinus Torvalds } 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds 5726c44512dSGreg Kroah-Hartman static int fore200e_pca_configure(struct fore200e *fore200e) 5731da177e4SLinus Torvalds { 5741da177e4SLinus Torvalds struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; 5751da177e4SLinus Torvalds u8 master_ctrl, latency; 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds DPRINTK(2, "device %s being configured\n", fore200e->name); 5781da177e4SLinus Torvalds 5791da177e4SLinus Torvalds if ((pci_dev->irq == 0) || (pci_dev->irq == 0xFF)) { 5801da177e4SLinus Torvalds printk(FORE200E "incorrect IRQ setting - misconfigured PCI-PCI bridge?\n"); 5811da177e4SLinus Torvalds return -EIO; 5821da177e4SLinus Torvalds } 5831da177e4SLinus Torvalds 5841da177e4SLinus Torvalds pci_read_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, &master_ctrl); 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds master_ctrl = master_ctrl 5871da177e4SLinus Torvalds #if defined(__BIG_ENDIAN) 5881da177e4SLinus Torvalds /* request the PCA board to convert the endianess of slave RAM accesses */ 5891da177e4SLinus Torvalds | PCA200E_CTRL_CONVERT_ENDIAN 5901da177e4SLinus Torvalds #endif 5911da177e4SLinus Torvalds #if 0 5921da177e4SLinus Torvalds | PCA200E_CTRL_DIS_CACHE_RD 5931da177e4SLinus Torvalds | PCA200E_CTRL_DIS_WRT_INVAL 5941da177e4SLinus Torvalds | PCA200E_CTRL_ENA_CONT_REQ_MODE 5951da177e4SLinus Torvalds | PCA200E_CTRL_2_CACHE_WRT_INVAL 5961da177e4SLinus Torvalds #endif 5971da177e4SLinus Torvalds | PCA200E_CTRL_LARGE_PCI_BURSTS; 5981da177e4SLinus Torvalds 5991da177e4SLinus Torvalds pci_write_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, master_ctrl); 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvalds /* raise latency from 32 (default) to 192, as this seems to prevent NIC 6021da177e4SLinus Torvalds lockups (under heavy rx loads) due to continuous 'FIFO OUT full' condition. 6031da177e4SLinus Torvalds this may impact the performances of other PCI devices on the same bus, though */ 6041da177e4SLinus Torvalds latency = 192; 6051da177e4SLinus Torvalds pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_CONFIGURE; 6081da177e4SLinus Torvalds return 0; 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvalds 6121da177e4SLinus Torvalds static int __init 6131da177e4SLinus Torvalds fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) 6141da177e4SLinus Torvalds { 6151da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 6161da177e4SLinus Torvalds struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; 6171da177e4SLinus Torvalds struct prom_opcode opcode; 6181da177e4SLinus Torvalds int ok; 6191da177e4SLinus Torvalds u32 prom_dma; 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); 6221da177e4SLinus Torvalds 6231da177e4SLinus Torvalds opcode.opcode = OPCODE_GET_PROM; 6241da177e4SLinus Torvalds opcode.pad = 0; 6251da177e4SLinus Torvalds 6261da177e4SLinus Torvalds prom_dma = fore200e->bus->dma_map(fore200e, prom, sizeof(struct prom_data), DMA_FROM_DEVICE); 6271da177e4SLinus Torvalds 6281da177e4SLinus Torvalds fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr); 6291da177e4SLinus Torvalds 6301da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 6311da177e4SLinus Torvalds 6321da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.prom_block.opcode); 6331da177e4SLinus Torvalds 6341da177e4SLinus Torvalds ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds *entry->status = STATUS_FREE; 6371da177e4SLinus Torvalds 6381da177e4SLinus Torvalds fore200e->bus->dma_unmap(fore200e, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); 6391da177e4SLinus Torvalds 6401da177e4SLinus Torvalds if (ok == 0) { 6411da177e4SLinus Torvalds printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name); 6421da177e4SLinus Torvalds return -EIO; 6431da177e4SLinus Torvalds } 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvalds #if defined(__BIG_ENDIAN) 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds #define swap_here(addr) (*((u32*)(addr)) = swab32( *((u32*)(addr)) )) 6481da177e4SLinus Torvalds 6491da177e4SLinus Torvalds /* MAC address is stored as little-endian */ 6501da177e4SLinus Torvalds swap_here(&prom->mac_addr[0]); 6511da177e4SLinus Torvalds swap_here(&prom->mac_addr[4]); 6521da177e4SLinus Torvalds #endif 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds return 0; 6551da177e4SLinus Torvalds } 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds static int 6591da177e4SLinus Torvalds fore200e_pca_proc_read(struct fore200e* fore200e, char *page) 6601da177e4SLinus Torvalds { 6611da177e4SLinus Torvalds struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds return sprintf(page, " PCI bus/slot/function:\t%d/%d/%d\n", 6641da177e4SLinus Torvalds pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); 6651da177e4SLinus Torvalds } 6661da177e4SLinus Torvalds 667e92481f9SChas Williams #endif /* CONFIG_PCI */ 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvalds 670e92481f9SChas Williams #ifdef CONFIG_SBUS 6711da177e4SLinus Torvalds 672826b6cfcSDavid S. Miller static u32 fore200e_sba_read(volatile u32 __iomem *addr) 6731da177e4SLinus Torvalds { 6741da177e4SLinus Torvalds return sbus_readl(addr); 6751da177e4SLinus Torvalds } 6761da177e4SLinus Torvalds 677826b6cfcSDavid S. Miller static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr) 6781da177e4SLinus Torvalds { 6791da177e4SLinus Torvalds sbus_writel(val, addr); 6801da177e4SLinus Torvalds } 6811da177e4SLinus Torvalds 682826b6cfcSDavid S. Miller static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction) 6831da177e4SLinus Torvalds { 6842dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 685826b6cfcSDavid S. Miller u32 dma_addr; 686826b6cfcSDavid S. Miller 687826b6cfcSDavid S. Miller dma_addr = dma_map_single(&op->dev, virt_addr, size, direction); 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n", 6901da177e4SLinus Torvalds virt_addr, size, direction, dma_addr); 6911da177e4SLinus Torvalds 6921da177e4SLinus Torvalds return dma_addr; 6931da177e4SLinus Torvalds } 6941da177e4SLinus Torvalds 695826b6cfcSDavid S. Miller static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction) 6961da177e4SLinus Torvalds { 6972dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 6987a715f46SDavid S. Miller 6991da177e4SLinus Torvalds DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n", 7001da177e4SLinus Torvalds dma_addr, size, direction); 7011da177e4SLinus Torvalds 702826b6cfcSDavid S. Miller dma_unmap_single(&op->dev, dma_addr, size, direction); 7031da177e4SLinus Torvalds } 7041da177e4SLinus Torvalds 705826b6cfcSDavid S. Miller static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction) 7061da177e4SLinus Torvalds { 7072dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 7087a715f46SDavid S. Miller 7091da177e4SLinus Torvalds DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); 7101da177e4SLinus Torvalds 711826b6cfcSDavid S. Miller dma_sync_single_for_cpu(&op->dev, dma_addr, size, direction); 7121da177e4SLinus Torvalds } 7131da177e4SLinus Torvalds 714826b6cfcSDavid S. Miller static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction) 7151da177e4SLinus Torvalds { 7162dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 7177a715f46SDavid S. Miller 7181da177e4SLinus Torvalds DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); 7191da177e4SLinus Torvalds 720826b6cfcSDavid S. Miller dma_sync_single_for_device(&op->dev, dma_addr, size, direction); 7211da177e4SLinus Torvalds } 7221da177e4SLinus Torvalds 723826b6cfcSDavid S. Miller /* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism 724826b6cfcSDavid S. Miller * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter. 725826b6cfcSDavid S. Miller */ 726826b6cfcSDavid S. Miller static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk, 7271da177e4SLinus Torvalds int size, int nbr, int alignment) 7281da177e4SLinus Torvalds { 7292dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 7307a715f46SDavid S. Miller 7311da177e4SLinus Torvalds chunk->alloc_size = chunk->align_size = size * nbr; 7321da177e4SLinus Torvalds 7331da177e4SLinus Torvalds /* returned chunks are page-aligned */ 734826b6cfcSDavid S. Miller chunk->alloc_addr = dma_alloc_coherent(&op->dev, chunk->alloc_size, 735738f2b7bSDavid S. Miller &chunk->dma_addr, GFP_ATOMIC); 7361da177e4SLinus Torvalds 7371da177e4SLinus Torvalds if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) 7381da177e4SLinus Torvalds return -ENOMEM; 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvalds chunk->align_addr = chunk->alloc_addr; 7411da177e4SLinus Torvalds 7421da177e4SLinus Torvalds return 0; 7431da177e4SLinus Torvalds } 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvalds /* free a DVMA consistent chunk of memory */ 746826b6cfcSDavid S. Miller static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk) 7471da177e4SLinus Torvalds { 7482dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 7497a715f46SDavid S. Miller 750826b6cfcSDavid S. Miller dma_free_coherent(&op->dev, chunk->alloc_size, 7517a715f46SDavid S. Miller chunk->alloc_addr, chunk->dma_addr); 7521da177e4SLinus Torvalds } 7531da177e4SLinus Torvalds 754826b6cfcSDavid S. Miller static void fore200e_sba_irq_enable(struct fore200e *fore200e) 7551da177e4SLinus Torvalds { 7561da177e4SLinus Torvalds u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; 7571da177e4SLinus Torvalds fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr); 7581da177e4SLinus Torvalds } 7591da177e4SLinus Torvalds 760826b6cfcSDavid S. Miller static int fore200e_sba_irq_check(struct fore200e *fore200e) 7611da177e4SLinus Torvalds { 7621da177e4SLinus Torvalds return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ; 7631da177e4SLinus Torvalds } 7641da177e4SLinus Torvalds 765826b6cfcSDavid S. Miller static void fore200e_sba_irq_ack(struct fore200e *fore200e) 7661da177e4SLinus Torvalds { 7671da177e4SLinus Torvalds u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; 7681da177e4SLinus Torvalds fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr); 7691da177e4SLinus Torvalds } 7701da177e4SLinus Torvalds 771826b6cfcSDavid S. Miller static void fore200e_sba_reset(struct fore200e *fore200e) 7721da177e4SLinus Torvalds { 7731da177e4SLinus Torvalds fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr); 7741da177e4SLinus Torvalds fore200e_spin(10); 7751da177e4SLinus Torvalds fore200e->bus->write(0, fore200e->regs.sba.hcr); 7761da177e4SLinus Torvalds } 7771da177e4SLinus Torvalds 778826b6cfcSDavid S. Miller static int __init fore200e_sba_map(struct fore200e *fore200e) 7791da177e4SLinus Torvalds { 7802dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 7811da177e4SLinus Torvalds unsigned int bursts; 7821da177e4SLinus Torvalds 7831da177e4SLinus Torvalds /* gain access to the SBA specific registers */ 784826b6cfcSDavid S. Miller fore200e->regs.sba.hcr = of_ioremap(&op->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR"); 785826b6cfcSDavid S. Miller fore200e->regs.sba.bsr = of_ioremap(&op->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR"); 786826b6cfcSDavid S. Miller fore200e->regs.sba.isr = of_ioremap(&op->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR"); 787826b6cfcSDavid S. Miller fore200e->virt_base = of_ioremap(&op->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM"); 7881da177e4SLinus Torvalds 789826b6cfcSDavid S. Miller if (!fore200e->virt_base) { 7901da177e4SLinus Torvalds printk(FORE200E "unable to map RAM of device %s\n", fore200e->name); 7911da177e4SLinus Torvalds return -EFAULT; 7921da177e4SLinus Torvalds } 7931da177e4SLinus Torvalds 7941da177e4SLinus Torvalds DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvalds fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */ 7971da177e4SLinus Torvalds 7981da177e4SLinus Torvalds /* get the supported DVMA burst sizes */ 79961c7a080SGrant Likely bursts = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0x00); 8001da177e4SLinus Torvalds 80163237eebSDavid S. Miller if (sbus_can_dma_64bit()) 802826b6cfcSDavid S. Miller sbus_set_sbus64(&op->dev, bursts); 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_MAP; 8051da177e4SLinus Torvalds return 0; 8061da177e4SLinus Torvalds } 8071da177e4SLinus Torvalds 808826b6cfcSDavid S. Miller static void fore200e_sba_unmap(struct fore200e *fore200e) 8091da177e4SLinus Torvalds { 8102dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 811826b6cfcSDavid S. Miller 812826b6cfcSDavid S. Miller of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH); 813826b6cfcSDavid S. Miller of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH); 814826b6cfcSDavid S. Miller of_iounmap(&op->resource[2], fore200e->regs.sba.isr, SBA200E_ISR_LENGTH); 815826b6cfcSDavid S. Miller of_iounmap(&op->resource[3], fore200e->virt_base, SBA200E_RAM_LENGTH); 8161da177e4SLinus Torvalds } 8171da177e4SLinus Torvalds 818826b6cfcSDavid S. Miller static int __init fore200e_sba_configure(struct fore200e *fore200e) 8191da177e4SLinus Torvalds { 8201da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_CONFIGURE; 8211da177e4SLinus Torvalds return 0; 8221da177e4SLinus Torvalds } 8231da177e4SLinus Torvalds 824826b6cfcSDavid S. Miller static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom) 8251da177e4SLinus Torvalds { 8262dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 827826b6cfcSDavid S. Miller const u8 *prop; 8281da177e4SLinus Torvalds int len; 8291da177e4SLinus Torvalds 83061c7a080SGrant Likely prop = of_get_property(op->dev.of_node, "madaddrlo2", &len); 831826b6cfcSDavid S. Miller if (!prop) 832826b6cfcSDavid S. Miller return -ENODEV; 833826b6cfcSDavid S. Miller memcpy(&prom->mac_addr[4], prop, 4); 8341da177e4SLinus Torvalds 83561c7a080SGrant Likely prop = of_get_property(op->dev.of_node, "madaddrhi4", &len); 836826b6cfcSDavid S. Miller if (!prop) 837826b6cfcSDavid S. Miller return -ENODEV; 838826b6cfcSDavid S. Miller memcpy(&prom->mac_addr[2], prop, 4); 8391da177e4SLinus Torvalds 84061c7a080SGrant Likely prom->serial_number = of_getintprop_default(op->dev.of_node, 84161c7a080SGrant Likely "serialnumber", 0); 84261c7a080SGrant Likely prom->hw_revision = of_getintprop_default(op->dev.of_node, 84361c7a080SGrant Likely "promversion", 0); 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvalds return 0; 8461da177e4SLinus Torvalds } 8471da177e4SLinus Torvalds 848826b6cfcSDavid S. Miller static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page) 8491da177e4SLinus Torvalds { 8502dc11581SGrant Likely struct platform_device *op = fore200e->bus_dev; 851826b6cfcSDavid S. Miller const struct linux_prom_registers *regs; 8521da177e4SLinus Torvalds 85361c7a080SGrant Likely regs = of_get_property(op->dev.of_node, "reg", NULL); 854826b6cfcSDavid S. Miller 855826b6cfcSDavid S. Miller return sprintf(page, " SBUS slot/device:\t\t%d/'%s'\n", 85661c7a080SGrant Likely (regs ? regs->which_io : 0), op->dev.of_node->name); 8571da177e4SLinus Torvalds } 858e92481f9SChas Williams #endif /* CONFIG_SBUS */ 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvalds static void 8621da177e4SLinus Torvalds fore200e_tx_irq(struct fore200e* fore200e) 8631da177e4SLinus Torvalds { 8641da177e4SLinus Torvalds struct host_txq* txq = &fore200e->host_txq; 8651da177e4SLinus Torvalds struct host_txq_entry* entry; 8661da177e4SLinus Torvalds struct atm_vcc* vcc; 8671da177e4SLinus Torvalds struct fore200e_vc_map* vc_map; 8681da177e4SLinus Torvalds 8691da177e4SLinus Torvalds if (fore200e->host_txq.txing == 0) 8701da177e4SLinus Torvalds return; 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvalds for (;;) { 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvalds entry = &txq->host_entry[ txq->tail ]; 8751da177e4SLinus Torvalds 8761da177e4SLinus Torvalds if ((*entry->status & STATUS_COMPLETE) == 0) { 8771da177e4SLinus Torvalds break; 8781da177e4SLinus Torvalds } 8791da177e4SLinus Torvalds 8801da177e4SLinus Torvalds DPRINTK(3, "TX COMPLETED: entry = %p [tail = %d], vc_map = %p, skb = %p\n", 8811da177e4SLinus Torvalds entry, txq->tail, entry->vc_map, entry->skb); 8821da177e4SLinus Torvalds 8831da177e4SLinus Torvalds /* free copy of misaligned data */ 8841da177e4SLinus Torvalds kfree(entry->data); 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvalds /* remove DMA mapping */ 8871da177e4SLinus Torvalds fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, 8881da177e4SLinus Torvalds DMA_TO_DEVICE); 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvalds vc_map = entry->vc_map; 8911da177e4SLinus Torvalds 8921da177e4SLinus Torvalds /* vcc closed since the time the entry was submitted for tx? */ 8931da177e4SLinus Torvalds if ((vc_map->vcc == NULL) || 8941da177e4SLinus Torvalds (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { 8951da177e4SLinus Torvalds 8961da177e4SLinus Torvalds DPRINTK(1, "no ready vcc found for PDU sent on device %d\n", 8971da177e4SLinus Torvalds fore200e->atm_dev->number); 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvalds dev_kfree_skb_any(entry->skb); 9001da177e4SLinus Torvalds } 9011da177e4SLinus Torvalds else { 9021da177e4SLinus Torvalds ASSERT(vc_map->vcc); 9031da177e4SLinus Torvalds 9041da177e4SLinus Torvalds /* vcc closed then immediately re-opened? */ 9051da177e4SLinus Torvalds if (vc_map->incarn != entry->incarn) { 9061da177e4SLinus Torvalds 9071da177e4SLinus Torvalds /* when a vcc is closed, some PDUs may be still pending in the tx queue. 9081da177e4SLinus Torvalds if the same vcc is immediately re-opened, those pending PDUs must 9091da177e4SLinus Torvalds not be popped after the completion of their emission, as they refer 9101da177e4SLinus Torvalds to the prior incarnation of that vcc. otherwise, sk_atm(vcc)->sk_wmem_alloc 9111da177e4SLinus Torvalds would be decremented by the size of the (unrelated) skb, possibly 9121da177e4SLinus Torvalds leading to a negative sk->sk_wmem_alloc count, ultimately freezing the vcc. 9131da177e4SLinus Torvalds we thus bind the tx entry to the current incarnation of the vcc 9141da177e4SLinus Torvalds when the entry is submitted for tx. When the tx later completes, 9151da177e4SLinus Torvalds if the incarnation number of the tx entry does not match the one 9161da177e4SLinus Torvalds of the vcc, then this implies that the vcc has been closed then re-opened. 9171da177e4SLinus Torvalds we thus just drop the skb here. */ 9181da177e4SLinus Torvalds 9191da177e4SLinus Torvalds DPRINTK(1, "vcc closed-then-re-opened; dropping PDU sent on device %d\n", 9201da177e4SLinus Torvalds fore200e->atm_dev->number); 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvalds dev_kfree_skb_any(entry->skb); 9231da177e4SLinus Torvalds } 9241da177e4SLinus Torvalds else { 9251da177e4SLinus Torvalds vcc = vc_map->vcc; 9261da177e4SLinus Torvalds ASSERT(vcc); 9271da177e4SLinus Torvalds 9281da177e4SLinus Torvalds /* notify tx completion */ 9291da177e4SLinus Torvalds if (vcc->pop) { 9301da177e4SLinus Torvalds vcc->pop(vcc, entry->skb); 9311da177e4SLinus Torvalds } 9321da177e4SLinus Torvalds else { 9331da177e4SLinus Torvalds dev_kfree_skb_any(entry->skb); 9341da177e4SLinus Torvalds } 93514afee4bSReshetova, Elena 9361da177e4SLinus Torvalds /* check error condition */ 9371da177e4SLinus Torvalds if (*entry->status & STATUS_ERROR) 9381da177e4SLinus Torvalds atomic_inc(&vcc->stats->tx_err); 9391da177e4SLinus Torvalds else 9401da177e4SLinus Torvalds atomic_inc(&vcc->stats->tx); 9411da177e4SLinus Torvalds } 9421da177e4SLinus Torvalds } 9431da177e4SLinus Torvalds 9441da177e4SLinus Torvalds *entry->status = STATUS_FREE; 9451da177e4SLinus Torvalds 9461da177e4SLinus Torvalds fore200e->host_txq.txing--; 9471da177e4SLinus Torvalds 9481da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(txq->tail, QUEUE_SIZE_TX); 9491da177e4SLinus Torvalds } 9501da177e4SLinus Torvalds } 9511da177e4SLinus Torvalds 9521da177e4SLinus Torvalds 9531da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 9541da177e4SLinus Torvalds int bsq_audit(int where, struct host_bsq* bsq, int scheme, int magn) 9551da177e4SLinus Torvalds { 9561da177e4SLinus Torvalds struct buffer* buffer; 9571da177e4SLinus Torvalds int count = 0; 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvalds buffer = bsq->freebuf; 9601da177e4SLinus Torvalds while (buffer) { 9611da177e4SLinus Torvalds 9621da177e4SLinus Torvalds if (buffer->supplied) { 9631da177e4SLinus Torvalds printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld supplied but in free list!\n", 9641da177e4SLinus Torvalds where, scheme, magn, buffer->index); 9651da177e4SLinus Torvalds } 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvalds if (buffer->magn != magn) { 9681da177e4SLinus Torvalds printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected magn = %d\n", 9691da177e4SLinus Torvalds where, scheme, magn, buffer->index, buffer->magn); 9701da177e4SLinus Torvalds } 9711da177e4SLinus Torvalds 9721da177e4SLinus Torvalds if (buffer->scheme != scheme) { 9731da177e4SLinus Torvalds printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected scheme = %d\n", 9741da177e4SLinus Torvalds where, scheme, magn, buffer->index, buffer->scheme); 9751da177e4SLinus Torvalds } 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvalds if ((buffer->index < 0) || (buffer->index >= fore200e_rx_buf_nbr[ scheme ][ magn ])) { 9781da177e4SLinus Torvalds printk(FORE200E "bsq_audit(%d): queue %d.%d, out of range buffer index = %ld !\n", 9791da177e4SLinus Torvalds where, scheme, magn, buffer->index); 9801da177e4SLinus Torvalds } 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvalds count++; 9831da177e4SLinus Torvalds buffer = buffer->next; 9841da177e4SLinus Torvalds } 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvalds if (count != bsq->freebuf_count) { 9871da177e4SLinus Torvalds printk(FORE200E "bsq_audit(%d): queue %d.%d, %d bufs in free list, but freebuf_count = %d\n", 9881da177e4SLinus Torvalds where, scheme, magn, count, bsq->freebuf_count); 9891da177e4SLinus Torvalds } 9901da177e4SLinus Torvalds return 0; 9911da177e4SLinus Torvalds } 9921da177e4SLinus Torvalds #endif 9931da177e4SLinus Torvalds 9941da177e4SLinus Torvalds 9951da177e4SLinus Torvalds static void 9961da177e4SLinus Torvalds fore200e_supply(struct fore200e* fore200e) 9971da177e4SLinus Torvalds { 9981da177e4SLinus Torvalds int scheme, magn, i; 9991da177e4SLinus Torvalds 10001da177e4SLinus Torvalds struct host_bsq* bsq; 10011da177e4SLinus Torvalds struct host_bsq_entry* entry; 10021da177e4SLinus Torvalds struct buffer* buffer; 10031da177e4SLinus Torvalds 10041da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { 10051da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { 10061da177e4SLinus Torvalds 10071da177e4SLinus Torvalds bsq = &fore200e->host_bsq[ scheme ][ magn ]; 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 10101da177e4SLinus Torvalds bsq_audit(1, bsq, scheme, magn); 10111da177e4SLinus Torvalds #endif 10121da177e4SLinus Torvalds while (bsq->freebuf_count >= RBD_BLK_SIZE) { 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvalds DPRINTK(2, "supplying %d rx buffers to queue %d / %d, freebuf_count = %d\n", 10151da177e4SLinus Torvalds RBD_BLK_SIZE, scheme, magn, bsq->freebuf_count); 10161da177e4SLinus Torvalds 10171da177e4SLinus Torvalds entry = &bsq->host_entry[ bsq->head ]; 10181da177e4SLinus Torvalds 10191da177e4SLinus Torvalds for (i = 0; i < RBD_BLK_SIZE; i++) { 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds /* take the first buffer in the free buffer list */ 10221da177e4SLinus Torvalds buffer = bsq->freebuf; 10231da177e4SLinus Torvalds if (!buffer) { 10241da177e4SLinus Torvalds printk(FORE200E "no more free bufs in queue %d.%d, but freebuf_count = %d\n", 10251da177e4SLinus Torvalds scheme, magn, bsq->freebuf_count); 10261da177e4SLinus Torvalds return; 10271da177e4SLinus Torvalds } 10281da177e4SLinus Torvalds bsq->freebuf = buffer->next; 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 10311da177e4SLinus Torvalds if (buffer->supplied) 10321da177e4SLinus Torvalds printk(FORE200E "queue %d.%d, buffer %lu already supplied\n", 10331da177e4SLinus Torvalds scheme, magn, buffer->index); 10341da177e4SLinus Torvalds buffer->supplied = 1; 10351da177e4SLinus Torvalds #endif 10361da177e4SLinus Torvalds entry->rbd_block->rbd[ i ].buffer_haddr = buffer->data.dma_addr; 10371da177e4SLinus Torvalds entry->rbd_block->rbd[ i ].handle = FORE200E_BUF2HDL(buffer); 10381da177e4SLinus Torvalds } 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(bsq->head, QUEUE_SIZE_BS); 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvalds /* decrease accordingly the number of free rx buffers */ 10431da177e4SLinus Torvalds bsq->freebuf_count -= RBD_BLK_SIZE; 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 10461da177e4SLinus Torvalds fore200e->bus->write(entry->rbd_block_dma, &entry->cp_entry->rbd_block_haddr); 10471da177e4SLinus Torvalds } 10481da177e4SLinus Torvalds } 10491da177e4SLinus Torvalds } 10501da177e4SLinus Torvalds } 10511da177e4SLinus Torvalds 10521da177e4SLinus Torvalds 10531da177e4SLinus Torvalds static int 10541da177e4SLinus Torvalds fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rpd) 10551da177e4SLinus Torvalds { 10561da177e4SLinus Torvalds struct sk_buff* skb; 10571da177e4SLinus Torvalds struct buffer* buffer; 10581da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc; 10591da177e4SLinus Torvalds int i, pdu_len = 0; 10601da177e4SLinus Torvalds #ifdef FORE200E_52BYTE_AAL0_SDU 10611da177e4SLinus Torvalds u32 cell_header = 0; 10621da177e4SLinus Torvalds #endif 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvalds ASSERT(vcc); 10651da177e4SLinus Torvalds 10661da177e4SLinus Torvalds fore200e_vcc = FORE200E_VCC(vcc); 10671da177e4SLinus Torvalds ASSERT(fore200e_vcc); 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvalds #ifdef FORE200E_52BYTE_AAL0_SDU 10701da177e4SLinus Torvalds if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.rxtp.max_sdu == ATM_AAL0_SDU)) { 10711da177e4SLinus Torvalds 10721da177e4SLinus Torvalds cell_header = (rpd->atm_header.gfc << ATM_HDR_GFC_SHIFT) | 10731da177e4SLinus Torvalds (rpd->atm_header.vpi << ATM_HDR_VPI_SHIFT) | 10741da177e4SLinus Torvalds (rpd->atm_header.vci << ATM_HDR_VCI_SHIFT) | 10751da177e4SLinus Torvalds (rpd->atm_header.plt << ATM_HDR_PTI_SHIFT) | 10761da177e4SLinus Torvalds rpd->atm_header.clp; 10771da177e4SLinus Torvalds pdu_len = 4; 10781da177e4SLinus Torvalds } 10791da177e4SLinus Torvalds #endif 10801da177e4SLinus Torvalds 10811da177e4SLinus Torvalds /* compute total PDU length */ 10821da177e4SLinus Torvalds for (i = 0; i < rpd->nseg; i++) 10831da177e4SLinus Torvalds pdu_len += rpd->rsd[ i ].length; 10841da177e4SLinus Torvalds 10851da177e4SLinus Torvalds skb = alloc_skb(pdu_len, GFP_ATOMIC); 10861da177e4SLinus Torvalds if (skb == NULL) { 10871da177e4SLinus Torvalds DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); 10881da177e4SLinus Torvalds 10891da177e4SLinus Torvalds atomic_inc(&vcc->stats->rx_drop); 10901da177e4SLinus Torvalds return -ENOMEM; 10911da177e4SLinus Torvalds } 10921da177e4SLinus Torvalds 1093a61bbcf2SPatrick McHardy __net_timestamp(skb); 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvalds #ifdef FORE200E_52BYTE_AAL0_SDU 10961da177e4SLinus Torvalds if (cell_header) { 10971da177e4SLinus Torvalds *((u32*)skb_put(skb, 4)) = cell_header; 10981da177e4SLinus Torvalds } 10991da177e4SLinus Torvalds #endif 11001da177e4SLinus Torvalds 11011da177e4SLinus Torvalds /* reassemble segments */ 11021da177e4SLinus Torvalds for (i = 0; i < rpd->nseg; i++) { 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvalds /* rebuild rx buffer address from rsd handle */ 11051da177e4SLinus Torvalds buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvalds /* Make device DMA transfer visible to CPU. */ 11081da177e4SLinus Torvalds fore200e->bus->dma_sync_for_cpu(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); 11091da177e4SLinus Torvalds 111059ae1d12SJohannes Berg skb_put_data(skb, buffer->data.align_addr, rpd->rsd[i].length); 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvalds /* Now let the device get at it again. */ 11131da177e4SLinus Torvalds fore200e->bus->dma_sync_for_device(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); 11141da177e4SLinus Torvalds } 11151da177e4SLinus Torvalds 11161da177e4SLinus Torvalds DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize); 11171da177e4SLinus Torvalds 11181da177e4SLinus Torvalds if (pdu_len < fore200e_vcc->rx_min_pdu) 11191da177e4SLinus Torvalds fore200e_vcc->rx_min_pdu = pdu_len; 11201da177e4SLinus Torvalds if (pdu_len > fore200e_vcc->rx_max_pdu) 11211da177e4SLinus Torvalds fore200e_vcc->rx_max_pdu = pdu_len; 11221da177e4SLinus Torvalds fore200e_vcc->rx_pdu++; 11231da177e4SLinus Torvalds 11241da177e4SLinus Torvalds /* push PDU */ 11251da177e4SLinus Torvalds if (atm_charge(vcc, skb->truesize) == 0) { 11261da177e4SLinus Torvalds 11271da177e4SLinus Torvalds DPRINTK(2, "receive buffers saturated for %d.%d.%d - PDU dropped\n", 11281da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci); 11291da177e4SLinus Torvalds 11301da177e4SLinus Torvalds dev_kfree_skb_any(skb); 11311da177e4SLinus Torvalds 11321da177e4SLinus Torvalds atomic_inc(&vcc->stats->rx_drop); 11331da177e4SLinus Torvalds return -ENOMEM; 11341da177e4SLinus Torvalds } 11351da177e4SLinus Torvalds 11361da177e4SLinus Torvalds vcc->push(vcc, skb); 11371da177e4SLinus Torvalds atomic_inc(&vcc->stats->rx); 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvalds return 0; 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvalds static void 11441da177e4SLinus Torvalds fore200e_collect_rpd(struct fore200e* fore200e, struct rpd* rpd) 11451da177e4SLinus Torvalds { 11461da177e4SLinus Torvalds struct host_bsq* bsq; 11471da177e4SLinus Torvalds struct buffer* buffer; 11481da177e4SLinus Torvalds int i; 11491da177e4SLinus Torvalds 11501da177e4SLinus Torvalds for (i = 0; i < rpd->nseg; i++) { 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvalds /* rebuild rx buffer address from rsd handle */ 11531da177e4SLinus Torvalds buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds bsq = &fore200e->host_bsq[ buffer->scheme ][ buffer->magn ]; 11561da177e4SLinus Torvalds 11571da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 11581da177e4SLinus Torvalds bsq_audit(2, bsq, buffer->scheme, buffer->magn); 11591da177e4SLinus Torvalds 11601da177e4SLinus Torvalds if (buffer->supplied == 0) 11611da177e4SLinus Torvalds printk(FORE200E "queue %d.%d, buffer %ld was not supplied\n", 11621da177e4SLinus Torvalds buffer->scheme, buffer->magn, buffer->index); 11631da177e4SLinus Torvalds buffer->supplied = 0; 11641da177e4SLinus Torvalds #endif 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvalds /* re-insert the buffer into the free buffer list */ 11671da177e4SLinus Torvalds buffer->next = bsq->freebuf; 11681da177e4SLinus Torvalds bsq->freebuf = buffer; 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvalds /* then increment the number of free rx buffers */ 11711da177e4SLinus Torvalds bsq->freebuf_count++; 11721da177e4SLinus Torvalds } 11731da177e4SLinus Torvalds } 11741da177e4SLinus Torvalds 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvalds static void 11771da177e4SLinus Torvalds fore200e_rx_irq(struct fore200e* fore200e) 11781da177e4SLinus Torvalds { 11791da177e4SLinus Torvalds struct host_rxq* rxq = &fore200e->host_rxq; 11801da177e4SLinus Torvalds struct host_rxq_entry* entry; 11811da177e4SLinus Torvalds struct atm_vcc* vcc; 11821da177e4SLinus Torvalds struct fore200e_vc_map* vc_map; 11831da177e4SLinus Torvalds 11841da177e4SLinus Torvalds for (;;) { 11851da177e4SLinus Torvalds 11861da177e4SLinus Torvalds entry = &rxq->host_entry[ rxq->head ]; 11871da177e4SLinus Torvalds 11881da177e4SLinus Torvalds /* no more received PDUs */ 11891da177e4SLinus Torvalds if ((*entry->status & STATUS_COMPLETE) == 0) 11901da177e4SLinus Torvalds break; 11911da177e4SLinus Torvalds 11921da177e4SLinus Torvalds vc_map = FORE200E_VC_MAP(fore200e, entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); 11931da177e4SLinus Torvalds 11941da177e4SLinus Torvalds if ((vc_map->vcc == NULL) || 11951da177e4SLinus Torvalds (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { 11961da177e4SLinus Torvalds 11971da177e4SLinus Torvalds DPRINTK(1, "no ready VC found for PDU received on %d.%d.%d\n", 11981da177e4SLinus Torvalds fore200e->atm_dev->number, 11991da177e4SLinus Torvalds entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); 12001da177e4SLinus Torvalds } 12011da177e4SLinus Torvalds else { 12021da177e4SLinus Torvalds vcc = vc_map->vcc; 12031da177e4SLinus Torvalds ASSERT(vcc); 12041da177e4SLinus Torvalds 12051da177e4SLinus Torvalds if ((*entry->status & STATUS_ERROR) == 0) { 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvalds fore200e_push_rpd(fore200e, vcc, entry->rpd); 12081da177e4SLinus Torvalds } 12091da177e4SLinus Torvalds else { 12101da177e4SLinus Torvalds DPRINTK(2, "damaged PDU on %d.%d.%d\n", 12111da177e4SLinus Torvalds fore200e->atm_dev->number, 12121da177e4SLinus Torvalds entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); 12131da177e4SLinus Torvalds atomic_inc(&vcc->stats->rx_err); 12141da177e4SLinus Torvalds } 12151da177e4SLinus Torvalds } 12161da177e4SLinus Torvalds 12171da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(rxq->head, QUEUE_SIZE_RX); 12181da177e4SLinus Torvalds 12191da177e4SLinus Torvalds fore200e_collect_rpd(fore200e, entry->rpd); 12201da177e4SLinus Torvalds 12211da177e4SLinus Torvalds /* rewrite the rpd address to ack the received PDU */ 12221da177e4SLinus Torvalds fore200e->bus->write(entry->rpd_dma, &entry->cp_entry->rpd_haddr); 12231da177e4SLinus Torvalds *entry->status = STATUS_FREE; 12241da177e4SLinus Torvalds 12251da177e4SLinus Torvalds fore200e_supply(fore200e); 12261da177e4SLinus Torvalds } 12271da177e4SLinus Torvalds } 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvalds 12301da177e4SLinus Torvalds #ifndef FORE200E_USE_TASKLET 12311da177e4SLinus Torvalds static void 12321da177e4SLinus Torvalds fore200e_irq(struct fore200e* fore200e) 12331da177e4SLinus Torvalds { 12341da177e4SLinus Torvalds unsigned long flags; 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 12371da177e4SLinus Torvalds fore200e_rx_irq(fore200e); 12381da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 12391da177e4SLinus Torvalds 12401da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 12411da177e4SLinus Torvalds fore200e_tx_irq(fore200e); 12421da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 12431da177e4SLinus Torvalds } 12441da177e4SLinus Torvalds #endif 12451da177e4SLinus Torvalds 12461da177e4SLinus Torvalds 12471da177e4SLinus Torvalds static irqreturn_t 12487d12e780SDavid Howells fore200e_interrupt(int irq, void* dev) 12491da177e4SLinus Torvalds { 12501da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV((struct atm_dev*)dev); 12511da177e4SLinus Torvalds 12521da177e4SLinus Torvalds if (fore200e->bus->irq_check(fore200e) == 0) { 12531da177e4SLinus Torvalds 12541da177e4SLinus Torvalds DPRINTK(3, "interrupt NOT triggered by device %d\n", fore200e->atm_dev->number); 12551da177e4SLinus Torvalds return IRQ_NONE; 12561da177e4SLinus Torvalds } 12571da177e4SLinus Torvalds DPRINTK(3, "interrupt triggered by device %d\n", fore200e->atm_dev->number); 12581da177e4SLinus Torvalds 12591da177e4SLinus Torvalds #ifdef FORE200E_USE_TASKLET 12601da177e4SLinus Torvalds tasklet_schedule(&fore200e->tx_tasklet); 12611da177e4SLinus Torvalds tasklet_schedule(&fore200e->rx_tasklet); 12621da177e4SLinus Torvalds #else 12631da177e4SLinus Torvalds fore200e_irq(fore200e); 12641da177e4SLinus Torvalds #endif 12651da177e4SLinus Torvalds 12661da177e4SLinus Torvalds fore200e->bus->irq_ack(fore200e); 12671da177e4SLinus Torvalds return IRQ_HANDLED; 12681da177e4SLinus Torvalds } 12691da177e4SLinus Torvalds 12701da177e4SLinus Torvalds 12711da177e4SLinus Torvalds #ifdef FORE200E_USE_TASKLET 12721da177e4SLinus Torvalds static void 12731da177e4SLinus Torvalds fore200e_tx_tasklet(unsigned long data) 12741da177e4SLinus Torvalds { 12751da177e4SLinus Torvalds struct fore200e* fore200e = (struct fore200e*) data; 12761da177e4SLinus Torvalds unsigned long flags; 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvalds DPRINTK(3, "tx tasklet scheduled for device %d\n", fore200e->atm_dev->number); 12791da177e4SLinus Torvalds 12801da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 12811da177e4SLinus Torvalds fore200e_tx_irq(fore200e); 12821da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 12831da177e4SLinus Torvalds } 12841da177e4SLinus Torvalds 12851da177e4SLinus Torvalds 12861da177e4SLinus Torvalds static void 12871da177e4SLinus Torvalds fore200e_rx_tasklet(unsigned long data) 12881da177e4SLinus Torvalds { 12891da177e4SLinus Torvalds struct fore200e* fore200e = (struct fore200e*) data; 12901da177e4SLinus Torvalds unsigned long flags; 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvalds DPRINTK(3, "rx tasklet scheduled for device %d\n", fore200e->atm_dev->number); 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 12951da177e4SLinus Torvalds fore200e_rx_irq((struct fore200e*) data); 12961da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 12971da177e4SLinus Torvalds } 12981da177e4SLinus Torvalds #endif 12991da177e4SLinus Torvalds 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvalds static int 13021da177e4SLinus Torvalds fore200e_select_scheme(struct atm_vcc* vcc) 13031da177e4SLinus Torvalds { 13041da177e4SLinus Torvalds /* fairly balance the VCs over (identical) buffer schemes */ 13051da177e4SLinus Torvalds int scheme = vcc->vci % 2 ? BUFFER_SCHEME_ONE : BUFFER_SCHEME_TWO; 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvalds DPRINTK(1, "VC %d.%d.%d uses buffer scheme %d\n", 13081da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, scheme); 13091da177e4SLinus Torvalds 13101da177e4SLinus Torvalds return scheme; 13111da177e4SLinus Torvalds } 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvalds static int 13151da177e4SLinus Torvalds fore200e_activate_vcin(struct fore200e* fore200e, int activate, struct atm_vcc* vcc, int mtu) 13161da177e4SLinus Torvalds { 13171da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 13181da177e4SLinus Torvalds struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; 13191da177e4SLinus Torvalds struct activate_opcode activ_opcode; 13201da177e4SLinus Torvalds struct deactivate_opcode deactiv_opcode; 13211da177e4SLinus Torvalds struct vpvc vpvc; 13221da177e4SLinus Torvalds int ok; 13231da177e4SLinus Torvalds enum fore200e_aal aal = fore200e_atm2fore_aal(vcc->qos.aal); 13241da177e4SLinus Torvalds 13251da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); 13261da177e4SLinus Torvalds 13271da177e4SLinus Torvalds if (activate) { 13281da177e4SLinus Torvalds FORE200E_VCC(vcc)->scheme = fore200e_select_scheme(vcc); 13291da177e4SLinus Torvalds 13301da177e4SLinus Torvalds activ_opcode.opcode = OPCODE_ACTIVATE_VCIN; 13311da177e4SLinus Torvalds activ_opcode.aal = aal; 13321da177e4SLinus Torvalds activ_opcode.scheme = FORE200E_VCC(vcc)->scheme; 13331da177e4SLinus Torvalds activ_opcode.pad = 0; 13341da177e4SLinus Torvalds } 13351da177e4SLinus Torvalds else { 13361da177e4SLinus Torvalds deactiv_opcode.opcode = OPCODE_DEACTIVATE_VCIN; 13371da177e4SLinus Torvalds deactiv_opcode.pad = 0; 13381da177e4SLinus Torvalds } 13391da177e4SLinus Torvalds 13401da177e4SLinus Torvalds vpvc.vci = vcc->vci; 13411da177e4SLinus Torvalds vpvc.vpi = vcc->vpi; 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvalds if (activate) { 13461da177e4SLinus Torvalds 13471da177e4SLinus Torvalds #ifdef FORE200E_52BYTE_AAL0_SDU 13481da177e4SLinus Torvalds mtu = 48; 13491da177e4SLinus Torvalds #endif 13501da177e4SLinus Torvalds /* the MTU is not used by the cp, except in the case of AAL0 */ 13511da177e4SLinus Torvalds fore200e->bus->write(mtu, &entry->cp_entry->cmd.activate_block.mtu); 13521da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.vpvc); 13531da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&activ_opcode, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.opcode); 13541da177e4SLinus Torvalds } 13551da177e4SLinus Torvalds else { 13561da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.vpvc); 13571da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&deactiv_opcode, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.opcode); 13581da177e4SLinus Torvalds } 13591da177e4SLinus Torvalds 13601da177e4SLinus Torvalds ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvalds *entry->status = STATUS_FREE; 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvalds if (ok == 0) { 13651da177e4SLinus Torvalds printk(FORE200E "unable to %s VC %d.%d.%d\n", 13661da177e4SLinus Torvalds activate ? "open" : "close", vcc->itf, vcc->vpi, vcc->vci); 13671da177e4SLinus Torvalds return -EIO; 13681da177e4SLinus Torvalds } 13691da177e4SLinus Torvalds 13701da177e4SLinus Torvalds DPRINTK(1, "VC %d.%d.%d %sed\n", vcc->itf, vcc->vpi, vcc->vci, 13711da177e4SLinus Torvalds activate ? "open" : "clos"); 13721da177e4SLinus Torvalds 13731da177e4SLinus Torvalds return 0; 13741da177e4SLinus Torvalds } 13751da177e4SLinus Torvalds 13761da177e4SLinus Torvalds 13771da177e4SLinus Torvalds #define FORE200E_MAX_BACK2BACK_CELLS 255 /* XXX depends on CDVT */ 13781da177e4SLinus Torvalds 13791da177e4SLinus Torvalds static void 13801da177e4SLinus Torvalds fore200e_rate_ctrl(struct atm_qos* qos, struct tpd_rate* rate) 13811da177e4SLinus Torvalds { 13821da177e4SLinus Torvalds if (qos->txtp.max_pcr < ATM_OC3_PCR) { 13831da177e4SLinus Torvalds 13841da177e4SLinus Torvalds /* compute the data cells to idle cells ratio from the tx PCR */ 13851da177e4SLinus Torvalds rate->data_cells = qos->txtp.max_pcr * FORE200E_MAX_BACK2BACK_CELLS / ATM_OC3_PCR; 13861da177e4SLinus Torvalds rate->idle_cells = FORE200E_MAX_BACK2BACK_CELLS - rate->data_cells; 13871da177e4SLinus Torvalds } 13881da177e4SLinus Torvalds else { 13891da177e4SLinus Torvalds /* disable rate control */ 13901da177e4SLinus Torvalds rate->data_cells = rate->idle_cells = 0; 13911da177e4SLinus Torvalds } 13921da177e4SLinus Torvalds } 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvalds 13951da177e4SLinus Torvalds static int 13961da177e4SLinus Torvalds fore200e_open(struct atm_vcc *vcc) 13971da177e4SLinus Torvalds { 13981da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(vcc->dev); 13991da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc; 14001da177e4SLinus Torvalds struct fore200e_vc_map* vc_map; 14011da177e4SLinus Torvalds unsigned long flags; 14021da177e4SLinus Torvalds int vci = vcc->vci; 14031da177e4SLinus Torvalds short vpi = vcc->vpi; 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds ASSERT((vpi >= 0) && (vpi < 1<<FORE200E_VPI_BITS)); 14061da177e4SLinus Torvalds ASSERT((vci >= 0) && (vci < 1<<FORE200E_VCI_BITS)); 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvalds vc_map = FORE200E_VC_MAP(fore200e, vpi, vci); 14111da177e4SLinus Torvalds if (vc_map->vcc) { 14121da177e4SLinus Torvalds 14131da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 14141da177e4SLinus Torvalds 14151da177e4SLinus Torvalds printk(FORE200E "VC %d.%d.%d already in use\n", 14161da177e4SLinus Torvalds fore200e->atm_dev->number, vpi, vci); 14171da177e4SLinus Torvalds 14181da177e4SLinus Torvalds return -EINVAL; 14191da177e4SLinus Torvalds } 14201da177e4SLinus Torvalds 14211da177e4SLinus Torvalds vc_map->vcc = vcc; 14221da177e4SLinus Torvalds 14231da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 14241da177e4SLinus Torvalds 14251f8a5fb8SAdrian Bunk fore200e_vcc = kzalloc(sizeof(struct fore200e_vcc), GFP_ATOMIC); 14261da177e4SLinus Torvalds if (fore200e_vcc == NULL) { 14271da177e4SLinus Torvalds vc_map->vcc = NULL; 14281da177e4SLinus Torvalds return -ENOMEM; 14291da177e4SLinus Torvalds } 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvalds DPRINTK(2, "opening %d.%d.%d:%d QoS = (tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " 14321da177e4SLinus Torvalds "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d)\n", 14331da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), 14341da177e4SLinus Torvalds fore200e_traffic_class[ vcc->qos.txtp.traffic_class ], 14351da177e4SLinus Torvalds vcc->qos.txtp.min_pcr, vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_cdv, vcc->qos.txtp.max_sdu, 14361da177e4SLinus Torvalds fore200e_traffic_class[ vcc->qos.rxtp.traffic_class ], 14371da177e4SLinus Torvalds vcc->qos.rxtp.min_pcr, vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_cdv, vcc->qos.rxtp.max_sdu); 14381da177e4SLinus Torvalds 14391da177e4SLinus Torvalds /* pseudo-CBR bandwidth requested? */ 14401da177e4SLinus Torvalds if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { 14411da177e4SLinus Torvalds 1442bfbf3c09SMatthias Kaehlcke mutex_lock(&fore200e->rate_mtx); 14431da177e4SLinus Torvalds if (fore200e->available_cell_rate < vcc->qos.txtp.max_pcr) { 1444bfbf3c09SMatthias Kaehlcke mutex_unlock(&fore200e->rate_mtx); 14451da177e4SLinus Torvalds 14461f8a5fb8SAdrian Bunk kfree(fore200e_vcc); 14471da177e4SLinus Torvalds vc_map->vcc = NULL; 14481da177e4SLinus Torvalds return -EAGAIN; 14491da177e4SLinus Torvalds } 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvalds /* reserve bandwidth */ 14521da177e4SLinus Torvalds fore200e->available_cell_rate -= vcc->qos.txtp.max_pcr; 1453bfbf3c09SMatthias Kaehlcke mutex_unlock(&fore200e->rate_mtx); 14541da177e4SLinus Torvalds } 14551da177e4SLinus Torvalds 14561da177e4SLinus Torvalds vcc->itf = vcc->dev->number; 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvalds set_bit(ATM_VF_PARTIAL,&vcc->flags); 14591da177e4SLinus Torvalds set_bit(ATM_VF_ADDR, &vcc->flags); 14601da177e4SLinus Torvalds 14611da177e4SLinus Torvalds vcc->dev_data = fore200e_vcc; 14621da177e4SLinus Torvalds 14631da177e4SLinus Torvalds if (fore200e_activate_vcin(fore200e, 1, vcc, vcc->qos.rxtp.max_sdu) < 0) { 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvalds vc_map->vcc = NULL; 14661da177e4SLinus Torvalds 14671da177e4SLinus Torvalds clear_bit(ATM_VF_ADDR, &vcc->flags); 14681da177e4SLinus Torvalds clear_bit(ATM_VF_PARTIAL,&vcc->flags); 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvalds vcc->dev_data = NULL; 14711da177e4SLinus Torvalds 14721da177e4SLinus Torvalds fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; 14731da177e4SLinus Torvalds 14741f8a5fb8SAdrian Bunk kfree(fore200e_vcc); 14751da177e4SLinus Torvalds return -EINVAL; 14761da177e4SLinus Torvalds } 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvalds /* compute rate control parameters */ 14791da177e4SLinus Torvalds if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { 14801da177e4SLinus Torvalds 14811da177e4SLinus Torvalds fore200e_rate_ctrl(&vcc->qos, &fore200e_vcc->rate); 14821da177e4SLinus Torvalds set_bit(ATM_VF_HASQOS, &vcc->flags); 14831da177e4SLinus Torvalds 14841da177e4SLinus Torvalds DPRINTK(3, "tx on %d.%d.%d:%d, tx PCR = %d, rx PCR = %d, data_cells = %u, idle_cells = %u\n", 14851da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), 14861da177e4SLinus Torvalds vcc->qos.txtp.max_pcr, vcc->qos.rxtp.max_pcr, 14871da177e4SLinus Torvalds fore200e_vcc->rate.data_cells, fore200e_vcc->rate.idle_cells); 14881da177e4SLinus Torvalds } 14891da177e4SLinus Torvalds 14901da177e4SLinus Torvalds fore200e_vcc->tx_min_pdu = fore200e_vcc->rx_min_pdu = MAX_PDU_SIZE + 1; 14911da177e4SLinus Torvalds fore200e_vcc->tx_max_pdu = fore200e_vcc->rx_max_pdu = 0; 14921da177e4SLinus Torvalds fore200e_vcc->tx_pdu = fore200e_vcc->rx_pdu = 0; 14931da177e4SLinus Torvalds 14941da177e4SLinus Torvalds /* new incarnation of the vcc */ 14951da177e4SLinus Torvalds vc_map->incarn = ++fore200e->incarn_count; 14961da177e4SLinus Torvalds 14971da177e4SLinus Torvalds /* VC unusable before this flag is set */ 14981da177e4SLinus Torvalds set_bit(ATM_VF_READY, &vcc->flags); 14991da177e4SLinus Torvalds 15001da177e4SLinus Torvalds return 0; 15011da177e4SLinus Torvalds } 15021da177e4SLinus Torvalds 15031da177e4SLinus Torvalds 15041da177e4SLinus Torvalds static void 15051da177e4SLinus Torvalds fore200e_close(struct atm_vcc* vcc) 15061da177e4SLinus Torvalds { 15071da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(vcc->dev); 15081da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc; 15091da177e4SLinus Torvalds struct fore200e_vc_map* vc_map; 15101da177e4SLinus Torvalds unsigned long flags; 15111da177e4SLinus Torvalds 15121da177e4SLinus Torvalds ASSERT(vcc); 15131da177e4SLinus Torvalds ASSERT((vcc->vpi >= 0) && (vcc->vpi < 1<<FORE200E_VPI_BITS)); 15141da177e4SLinus Torvalds ASSERT((vcc->vci >= 0) && (vcc->vci < 1<<FORE200E_VCI_BITS)); 15151da177e4SLinus Torvalds 15161da177e4SLinus Torvalds DPRINTK(2, "closing %d.%d.%d:%d\n", vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal)); 15171da177e4SLinus Torvalds 15181da177e4SLinus Torvalds clear_bit(ATM_VF_READY, &vcc->flags); 15191da177e4SLinus Torvalds 15201da177e4SLinus Torvalds fore200e_activate_vcin(fore200e, 0, vcc, 0); 15211da177e4SLinus Torvalds 15221da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 15231da177e4SLinus Torvalds 15241da177e4SLinus Torvalds vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds /* the vc is no longer considered as "in use" by fore200e_open() */ 15271da177e4SLinus Torvalds vc_map->vcc = NULL; 15281da177e4SLinus Torvalds 15291da177e4SLinus Torvalds vcc->itf = vcc->vci = vcc->vpi = 0; 15301da177e4SLinus Torvalds 15311da177e4SLinus Torvalds fore200e_vcc = FORE200E_VCC(vcc); 15321da177e4SLinus Torvalds vcc->dev_data = NULL; 15331da177e4SLinus Torvalds 15341da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 15351da177e4SLinus Torvalds 15361da177e4SLinus Torvalds /* release reserved bandwidth, if any */ 15371da177e4SLinus Torvalds if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { 15381da177e4SLinus Torvalds 1539bfbf3c09SMatthias Kaehlcke mutex_lock(&fore200e->rate_mtx); 15401da177e4SLinus Torvalds fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; 1541bfbf3c09SMatthias Kaehlcke mutex_unlock(&fore200e->rate_mtx); 15421da177e4SLinus Torvalds 15431da177e4SLinus Torvalds clear_bit(ATM_VF_HASQOS, &vcc->flags); 15441da177e4SLinus Torvalds } 15451da177e4SLinus Torvalds 15461da177e4SLinus Torvalds clear_bit(ATM_VF_ADDR, &vcc->flags); 15471da177e4SLinus Torvalds clear_bit(ATM_VF_PARTIAL,&vcc->flags); 15481da177e4SLinus Torvalds 15491da177e4SLinus Torvalds ASSERT(fore200e_vcc); 15501f8a5fb8SAdrian Bunk kfree(fore200e_vcc); 15511da177e4SLinus Torvalds } 15521da177e4SLinus Torvalds 15531da177e4SLinus Torvalds 15541da177e4SLinus Torvalds static int 15551da177e4SLinus Torvalds fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) 15561da177e4SLinus Torvalds { 15571da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(vcc->dev); 15581da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); 15591da177e4SLinus Torvalds struct fore200e_vc_map* vc_map; 15601da177e4SLinus Torvalds struct host_txq* txq = &fore200e->host_txq; 15611da177e4SLinus Torvalds struct host_txq_entry* entry; 15621da177e4SLinus Torvalds struct tpd* tpd; 15631da177e4SLinus Torvalds struct tpd_haddr tpd_haddr; 15641da177e4SLinus Torvalds int retry = CONFIG_ATM_FORE200E_TX_RETRY; 15651da177e4SLinus Torvalds int tx_copy = 0; 15661da177e4SLinus Torvalds int tx_len = skb->len; 15671da177e4SLinus Torvalds u32* cell_header = NULL; 15681da177e4SLinus Torvalds unsigned char* skb_data; 15691da177e4SLinus Torvalds int skb_len; 15701da177e4SLinus Torvalds unsigned char* data; 15711da177e4SLinus Torvalds unsigned long flags; 15721da177e4SLinus Torvalds 15731da177e4SLinus Torvalds ASSERT(vcc); 15741da177e4SLinus Torvalds ASSERT(fore200e); 15751da177e4SLinus Torvalds ASSERT(fore200e_vcc); 15761da177e4SLinus Torvalds 15771da177e4SLinus Torvalds if (!test_bit(ATM_VF_READY, &vcc->flags)) { 15781da177e4SLinus Torvalds DPRINTK(1, "VC %d.%d.%d not ready for tx\n", vcc->itf, vcc->vpi, vcc->vpi); 15791da177e4SLinus Torvalds dev_kfree_skb_any(skb); 15801da177e4SLinus Torvalds return -EINVAL; 15811da177e4SLinus Torvalds } 15821da177e4SLinus Torvalds 15831da177e4SLinus Torvalds #ifdef FORE200E_52BYTE_AAL0_SDU 15841da177e4SLinus Torvalds if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.txtp.max_sdu == ATM_AAL0_SDU)) { 15851da177e4SLinus Torvalds cell_header = (u32*) skb->data; 15861da177e4SLinus Torvalds skb_data = skb->data + 4; /* skip 4-byte cell header */ 15871da177e4SLinus Torvalds skb_len = tx_len = skb->len - 4; 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvalds DPRINTK(3, "user-supplied cell header = 0x%08x\n", *cell_header); 15901da177e4SLinus Torvalds } 15911da177e4SLinus Torvalds else 15921da177e4SLinus Torvalds #endif 15931da177e4SLinus Torvalds { 15941da177e4SLinus Torvalds skb_data = skb->data; 15951da177e4SLinus Torvalds skb_len = skb->len; 15961da177e4SLinus Torvalds } 15971da177e4SLinus Torvalds 15981da177e4SLinus Torvalds if (((unsigned long)skb_data) & 0x3) { 15991da177e4SLinus Torvalds 16001da177e4SLinus Torvalds DPRINTK(2, "misaligned tx PDU on device %s\n", fore200e->name); 16011da177e4SLinus Torvalds tx_copy = 1; 16021da177e4SLinus Torvalds tx_len = skb_len; 16031da177e4SLinus Torvalds } 16041da177e4SLinus Torvalds 16051da177e4SLinus Torvalds if ((vcc->qos.aal == ATM_AAL0) && (skb_len % ATM_CELL_PAYLOAD)) { 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvalds /* this simply NUKES the PCA board */ 16081da177e4SLinus Torvalds DPRINTK(2, "incomplete tx AAL0 PDU on device %s\n", fore200e->name); 16091da177e4SLinus Torvalds tx_copy = 1; 16101da177e4SLinus Torvalds tx_len = ((skb_len / ATM_CELL_PAYLOAD) + 1) * ATM_CELL_PAYLOAD; 16111da177e4SLinus Torvalds } 16121da177e4SLinus Torvalds 16131da177e4SLinus Torvalds if (tx_copy) { 16141da177e4SLinus Torvalds data = kmalloc(tx_len, GFP_ATOMIC | GFP_DMA); 16151da177e4SLinus Torvalds if (data == NULL) { 16161da177e4SLinus Torvalds if (vcc->pop) { 16171da177e4SLinus Torvalds vcc->pop(vcc, skb); 16181da177e4SLinus Torvalds } 16191da177e4SLinus Torvalds else { 16201da177e4SLinus Torvalds dev_kfree_skb_any(skb); 16211da177e4SLinus Torvalds } 16221da177e4SLinus Torvalds return -ENOMEM; 16231da177e4SLinus Torvalds } 16241da177e4SLinus Torvalds 16251da177e4SLinus Torvalds memcpy(data, skb_data, skb_len); 16261da177e4SLinus Torvalds if (skb_len < tx_len) 16271da177e4SLinus Torvalds memset(data + skb_len, 0x00, tx_len - skb_len); 16281da177e4SLinus Torvalds } 16291da177e4SLinus Torvalds else { 16301da177e4SLinus Torvalds data = skb_data; 16311da177e4SLinus Torvalds } 16321da177e4SLinus Torvalds 16331da177e4SLinus Torvalds vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); 16341da177e4SLinus Torvalds ASSERT(vc_map->vcc == vcc); 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvalds retry_here: 16371da177e4SLinus Torvalds 16381da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvalds entry = &txq->host_entry[ txq->head ]; 16411da177e4SLinus Torvalds 16421da177e4SLinus Torvalds if ((*entry->status != STATUS_FREE) || (txq->txing >= QUEUE_SIZE_TX - 2)) { 16431da177e4SLinus Torvalds 16441da177e4SLinus Torvalds /* try to free completed tx queue entries */ 16451da177e4SLinus Torvalds fore200e_tx_irq(fore200e); 16461da177e4SLinus Torvalds 16471da177e4SLinus Torvalds if (*entry->status != STATUS_FREE) { 16481da177e4SLinus Torvalds 16491da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 16501da177e4SLinus Torvalds 16511da177e4SLinus Torvalds /* retry once again? */ 16521da177e4SLinus Torvalds if (--retry > 0) { 16531da177e4SLinus Torvalds udelay(50); 16541da177e4SLinus Torvalds goto retry_here; 16551da177e4SLinus Torvalds } 16561da177e4SLinus Torvalds 16571da177e4SLinus Torvalds atomic_inc(&vcc->stats->tx_err); 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvalds fore200e->tx_sat++; 16601da177e4SLinus Torvalds DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", 16611da177e4SLinus Torvalds fore200e->name, fore200e->cp_queues->heartbeat); 16621da177e4SLinus Torvalds if (vcc->pop) { 16631da177e4SLinus Torvalds vcc->pop(vcc, skb); 16641da177e4SLinus Torvalds } 16651da177e4SLinus Torvalds else { 16661da177e4SLinus Torvalds dev_kfree_skb_any(skb); 16671da177e4SLinus Torvalds } 16681da177e4SLinus Torvalds 16691da177e4SLinus Torvalds if (tx_copy) 16701da177e4SLinus Torvalds kfree(data); 16711da177e4SLinus Torvalds 16721da177e4SLinus Torvalds return -ENOBUFS; 16731da177e4SLinus Torvalds } 16741da177e4SLinus Torvalds } 16751da177e4SLinus Torvalds 16761da177e4SLinus Torvalds entry->incarn = vc_map->incarn; 16771da177e4SLinus Torvalds entry->vc_map = vc_map; 16781da177e4SLinus Torvalds entry->skb = skb; 16791da177e4SLinus Torvalds entry->data = tx_copy ? data : NULL; 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvalds tpd = entry->tpd; 16821da177e4SLinus Torvalds tpd->tsd[ 0 ].buffer = fore200e->bus->dma_map(fore200e, data, tx_len, DMA_TO_DEVICE); 16831da177e4SLinus Torvalds tpd->tsd[ 0 ].length = tx_len; 16841da177e4SLinus Torvalds 16851da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX); 16861da177e4SLinus Torvalds txq->txing++; 16871da177e4SLinus Torvalds 16881da177e4SLinus Torvalds /* The dma_map call above implies a dma_sync so the device can use it, 16891da177e4SLinus Torvalds * thus no explicit dma_sync call is necessary here. 16901da177e4SLinus Torvalds */ 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvalds DPRINTK(3, "tx on %d.%d.%d:%d, len = %u (%u)\n", 16931da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), 16941da177e4SLinus Torvalds tpd->tsd[0].length, skb_len); 16951da177e4SLinus Torvalds 16961da177e4SLinus Torvalds if (skb_len < fore200e_vcc->tx_min_pdu) 16971da177e4SLinus Torvalds fore200e_vcc->tx_min_pdu = skb_len; 16981da177e4SLinus Torvalds if (skb_len > fore200e_vcc->tx_max_pdu) 16991da177e4SLinus Torvalds fore200e_vcc->tx_max_pdu = skb_len; 17001da177e4SLinus Torvalds fore200e_vcc->tx_pdu++; 17011da177e4SLinus Torvalds 17021da177e4SLinus Torvalds /* set tx rate control information */ 17031da177e4SLinus Torvalds tpd->rate.data_cells = fore200e_vcc->rate.data_cells; 17041da177e4SLinus Torvalds tpd->rate.idle_cells = fore200e_vcc->rate.idle_cells; 17051da177e4SLinus Torvalds 17061da177e4SLinus Torvalds if (cell_header) { 17071da177e4SLinus Torvalds tpd->atm_header.clp = (*cell_header & ATM_HDR_CLP); 17081da177e4SLinus Torvalds tpd->atm_header.plt = (*cell_header & ATM_HDR_PTI_MASK) >> ATM_HDR_PTI_SHIFT; 17091da177e4SLinus Torvalds tpd->atm_header.vci = (*cell_header & ATM_HDR_VCI_MASK) >> ATM_HDR_VCI_SHIFT; 17101da177e4SLinus Torvalds tpd->atm_header.vpi = (*cell_header & ATM_HDR_VPI_MASK) >> ATM_HDR_VPI_SHIFT; 17111da177e4SLinus Torvalds tpd->atm_header.gfc = (*cell_header & ATM_HDR_GFC_MASK) >> ATM_HDR_GFC_SHIFT; 17121da177e4SLinus Torvalds } 17131da177e4SLinus Torvalds else { 17141da177e4SLinus Torvalds /* set the ATM header, common to all cells conveying the PDU */ 17151da177e4SLinus Torvalds tpd->atm_header.clp = 0; 17161da177e4SLinus Torvalds tpd->atm_header.plt = 0; 17171da177e4SLinus Torvalds tpd->atm_header.vci = vcc->vci; 17181da177e4SLinus Torvalds tpd->atm_header.vpi = vcc->vpi; 17191da177e4SLinus Torvalds tpd->atm_header.gfc = 0; 17201da177e4SLinus Torvalds } 17211da177e4SLinus Torvalds 17221da177e4SLinus Torvalds tpd->spec.length = tx_len; 17231da177e4SLinus Torvalds tpd->spec.nseg = 1; 17241da177e4SLinus Torvalds tpd->spec.aal = fore200e_atm2fore_aal(vcc->qos.aal); 17251da177e4SLinus Torvalds tpd->spec.intr = 1; 17261da177e4SLinus Torvalds 17271da177e4SLinus Torvalds tpd_haddr.size = sizeof(struct tpd) / (1<<TPD_HADDR_SHIFT); /* size is expressed in 32 byte blocks */ 17281da177e4SLinus Torvalds tpd_haddr.pad = 0; 17291da177e4SLinus Torvalds tpd_haddr.haddr = entry->tpd_dma >> TPD_HADDR_SHIFT; /* shift the address, as we are in a bitfield */ 17301da177e4SLinus Torvalds 17311da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 17321da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&tpd_haddr, (u32 __iomem *)&entry->cp_entry->tpd_haddr); 17331da177e4SLinus Torvalds 17341da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 17351da177e4SLinus Torvalds 17361da177e4SLinus Torvalds return 0; 17371da177e4SLinus Torvalds } 17381da177e4SLinus Torvalds 17391da177e4SLinus Torvalds 17401da177e4SLinus Torvalds static int 17411da177e4SLinus Torvalds fore200e_getstats(struct fore200e* fore200e) 17421da177e4SLinus Torvalds { 17431da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 17441da177e4SLinus Torvalds struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; 17451da177e4SLinus Torvalds struct stats_opcode opcode; 17461da177e4SLinus Torvalds int ok; 17471da177e4SLinus Torvalds u32 stats_dma_addr; 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvalds if (fore200e->stats == NULL) { 17501f8a5fb8SAdrian Bunk fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL | GFP_DMA); 17511da177e4SLinus Torvalds if (fore200e->stats == NULL) 17521da177e4SLinus Torvalds return -ENOMEM; 17531da177e4SLinus Torvalds } 17541da177e4SLinus Torvalds 17551da177e4SLinus Torvalds stats_dma_addr = fore200e->bus->dma_map(fore200e, fore200e->stats, 17561da177e4SLinus Torvalds sizeof(struct stats), DMA_FROM_DEVICE); 17571da177e4SLinus Torvalds 17581da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); 17591da177e4SLinus Torvalds 17601da177e4SLinus Torvalds opcode.opcode = OPCODE_GET_STATS; 17611da177e4SLinus Torvalds opcode.pad = 0; 17621da177e4SLinus Torvalds 17631da177e4SLinus Torvalds fore200e->bus->write(stats_dma_addr, &entry->cp_entry->cmd.stats_block.stats_haddr); 17641da177e4SLinus Torvalds 17651da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 17661da177e4SLinus Torvalds 17671da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.stats_block.opcode); 17681da177e4SLinus Torvalds 17691da177e4SLinus Torvalds ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); 17701da177e4SLinus Torvalds 17711da177e4SLinus Torvalds *entry->status = STATUS_FREE; 17721da177e4SLinus Torvalds 17731da177e4SLinus Torvalds fore200e->bus->dma_unmap(fore200e, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); 17741da177e4SLinus Torvalds 17751da177e4SLinus Torvalds if (ok == 0) { 17761da177e4SLinus Torvalds printk(FORE200E "unable to get statistics from device %s\n", fore200e->name); 17771da177e4SLinus Torvalds return -EIO; 17781da177e4SLinus Torvalds } 17791da177e4SLinus Torvalds 17801da177e4SLinus Torvalds return 0; 17811da177e4SLinus Torvalds } 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvalds 17841da177e4SLinus Torvalds static int 17851da177e4SLinus Torvalds fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen) 17861da177e4SLinus Torvalds { 17871da177e4SLinus Torvalds /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ 17881da177e4SLinus Torvalds 17891da177e4SLinus Torvalds DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", 17901da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); 17911da177e4SLinus Torvalds 17921da177e4SLinus Torvalds return -EINVAL; 17931da177e4SLinus Torvalds } 17941da177e4SLinus Torvalds 17951da177e4SLinus Torvalds 17961da177e4SLinus Torvalds static int 1797b7058842SDavid S. Miller fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen) 17981da177e4SLinus Torvalds { 17991da177e4SLinus Torvalds /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ 18001da177e4SLinus Torvalds 18011da177e4SLinus Torvalds DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", 18021da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); 18031da177e4SLinus Torvalds 18041da177e4SLinus Torvalds return -EINVAL; 18051da177e4SLinus Torvalds } 18061da177e4SLinus Torvalds 18071da177e4SLinus Torvalds 18081da177e4SLinus Torvalds #if 0 /* currently unused */ 18091da177e4SLinus Torvalds static int 18101da177e4SLinus Torvalds fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs) 18111da177e4SLinus Torvalds { 18121da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 18131da177e4SLinus Torvalds struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; 18141da177e4SLinus Torvalds struct oc3_opcode opcode; 18151da177e4SLinus Torvalds int ok; 18161da177e4SLinus Torvalds u32 oc3_regs_dma_addr; 18171da177e4SLinus Torvalds 18181da177e4SLinus Torvalds oc3_regs_dma_addr = fore200e->bus->dma_map(fore200e, regs, sizeof(struct oc3_regs), DMA_FROM_DEVICE); 18191da177e4SLinus Torvalds 18201da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvalds opcode.opcode = OPCODE_GET_OC3; 18231da177e4SLinus Torvalds opcode.reg = 0; 18241da177e4SLinus Torvalds opcode.value = 0; 18251da177e4SLinus Torvalds opcode.mask = 0; 18261da177e4SLinus Torvalds 18271da177e4SLinus Torvalds fore200e->bus->write(oc3_regs_dma_addr, &entry->cp_entry->cmd.oc3_block.regs_haddr); 18281da177e4SLinus Torvalds 18291da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 18301da177e4SLinus Torvalds 18311da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&opcode, (u32*)&entry->cp_entry->cmd.oc3_block.opcode); 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvalds ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvalds *entry->status = STATUS_FREE; 18361da177e4SLinus Torvalds 18371da177e4SLinus Torvalds fore200e->bus->dma_unmap(fore200e, oc3_regs_dma_addr, sizeof(struct oc3_regs), DMA_FROM_DEVICE); 18381da177e4SLinus Torvalds 18391da177e4SLinus Torvalds if (ok == 0) { 18401da177e4SLinus Torvalds printk(FORE200E "unable to get OC-3 regs of device %s\n", fore200e->name); 18411da177e4SLinus Torvalds return -EIO; 18421da177e4SLinus Torvalds } 18431da177e4SLinus Torvalds 18441da177e4SLinus Torvalds return 0; 18451da177e4SLinus Torvalds } 18461da177e4SLinus Torvalds #endif 18471da177e4SLinus Torvalds 18481da177e4SLinus Torvalds 18491da177e4SLinus Torvalds static int 18501da177e4SLinus Torvalds fore200e_set_oc3(struct fore200e* fore200e, u32 reg, u32 value, u32 mask) 18511da177e4SLinus Torvalds { 18521da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 18531da177e4SLinus Torvalds struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; 18541da177e4SLinus Torvalds struct oc3_opcode opcode; 18551da177e4SLinus Torvalds int ok; 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds DPRINTK(2, "set OC-3 reg = 0x%02x, value = 0x%02x, mask = 0x%02x\n", reg, value, mask); 18581da177e4SLinus Torvalds 18591da177e4SLinus Torvalds FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); 18601da177e4SLinus Torvalds 18611da177e4SLinus Torvalds opcode.opcode = OPCODE_SET_OC3; 18621da177e4SLinus Torvalds opcode.reg = reg; 18631da177e4SLinus Torvalds opcode.value = value; 18641da177e4SLinus Torvalds opcode.mask = mask; 18651da177e4SLinus Torvalds 18661da177e4SLinus Torvalds fore200e->bus->write(0, &entry->cp_entry->cmd.oc3_block.regs_haddr); 18671da177e4SLinus Torvalds 18681da177e4SLinus Torvalds *entry->status = STATUS_PENDING; 18691da177e4SLinus Torvalds 18701da177e4SLinus Torvalds fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.oc3_block.opcode); 18711da177e4SLinus Torvalds 18721da177e4SLinus Torvalds ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); 18731da177e4SLinus Torvalds 18741da177e4SLinus Torvalds *entry->status = STATUS_FREE; 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvalds if (ok == 0) { 18771da177e4SLinus Torvalds printk(FORE200E "unable to set OC-3 reg 0x%02x of device %s\n", reg, fore200e->name); 18781da177e4SLinus Torvalds return -EIO; 18791da177e4SLinus Torvalds } 18801da177e4SLinus Torvalds 18811da177e4SLinus Torvalds return 0; 18821da177e4SLinus Torvalds } 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvalds 18851da177e4SLinus Torvalds static int 18861da177e4SLinus Torvalds fore200e_setloop(struct fore200e* fore200e, int loop_mode) 18871da177e4SLinus Torvalds { 18881da177e4SLinus Torvalds u32 mct_value, mct_mask; 18891da177e4SLinus Torvalds int error; 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvalds if (!capable(CAP_NET_ADMIN)) 18921da177e4SLinus Torvalds return -EPERM; 18931da177e4SLinus Torvalds 18941da177e4SLinus Torvalds switch (loop_mode) { 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvalds case ATM_LM_NONE: 18971da177e4SLinus Torvalds mct_value = 0; 18981da177e4SLinus Torvalds mct_mask = SUNI_MCT_DLE | SUNI_MCT_LLE; 18991da177e4SLinus Torvalds break; 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvalds case ATM_LM_LOC_PHY: 19021da177e4SLinus Torvalds mct_value = mct_mask = SUNI_MCT_DLE; 19031da177e4SLinus Torvalds break; 19041da177e4SLinus Torvalds 19051da177e4SLinus Torvalds case ATM_LM_RMT_PHY: 19061da177e4SLinus Torvalds mct_value = mct_mask = SUNI_MCT_LLE; 19071da177e4SLinus Torvalds break; 19081da177e4SLinus Torvalds 19091da177e4SLinus Torvalds default: 19101da177e4SLinus Torvalds return -EINVAL; 19111da177e4SLinus Torvalds } 19121da177e4SLinus Torvalds 19131da177e4SLinus Torvalds error = fore200e_set_oc3(fore200e, SUNI_MCT, mct_value, mct_mask); 19141da177e4SLinus Torvalds if (error == 0) 19151da177e4SLinus Torvalds fore200e->loop_mode = loop_mode; 19161da177e4SLinus Torvalds 19171da177e4SLinus Torvalds return error; 19181da177e4SLinus Torvalds } 19191da177e4SLinus Torvalds 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvalds static int 19221da177e4SLinus Torvalds fore200e_fetch_stats(struct fore200e* fore200e, struct sonet_stats __user *arg) 19231da177e4SLinus Torvalds { 19241da177e4SLinus Torvalds struct sonet_stats tmp; 19251da177e4SLinus Torvalds 19261da177e4SLinus Torvalds if (fore200e_getstats(fore200e) < 0) 19271da177e4SLinus Torvalds return -EIO; 19281da177e4SLinus Torvalds 192963734a32SAl Viro tmp.section_bip = be32_to_cpu(fore200e->stats->oc3.section_bip8_errors); 193063734a32SAl Viro tmp.line_bip = be32_to_cpu(fore200e->stats->oc3.line_bip24_errors); 193163734a32SAl Viro tmp.path_bip = be32_to_cpu(fore200e->stats->oc3.path_bip8_errors); 193263734a32SAl Viro tmp.line_febe = be32_to_cpu(fore200e->stats->oc3.line_febe_errors); 193363734a32SAl Viro tmp.path_febe = be32_to_cpu(fore200e->stats->oc3.path_febe_errors); 193463734a32SAl Viro tmp.corr_hcs = be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors); 193563734a32SAl Viro tmp.uncorr_hcs = be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors); 193663734a32SAl Viro tmp.tx_cells = be32_to_cpu(fore200e->stats->aal0.cells_transmitted) + 193763734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_transmitted) + 193863734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cells_transmitted); 193963734a32SAl Viro tmp.rx_cells = be32_to_cpu(fore200e->stats->aal0.cells_received) + 194063734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_received) + 194163734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cells_received); 19421da177e4SLinus Torvalds 19431da177e4SLinus Torvalds if (arg) 19441da177e4SLinus Torvalds return copy_to_user(arg, &tmp, sizeof(struct sonet_stats)) ? -EFAULT : 0; 19451da177e4SLinus Torvalds 19461da177e4SLinus Torvalds return 0; 19471da177e4SLinus Torvalds } 19481da177e4SLinus Torvalds 19491da177e4SLinus Torvalds 19501da177e4SLinus Torvalds static int 19511da177e4SLinus Torvalds fore200e_ioctl(struct atm_dev* dev, unsigned int cmd, void __user * arg) 19521da177e4SLinus Torvalds { 19531da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(dev); 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvalds DPRINTK(2, "ioctl cmd = 0x%x (%u), arg = 0x%p (%lu)\n", cmd, cmd, arg, (unsigned long)arg); 19561da177e4SLinus Torvalds 19571da177e4SLinus Torvalds switch (cmd) { 19581da177e4SLinus Torvalds 19591da177e4SLinus Torvalds case SONET_GETSTAT: 19601da177e4SLinus Torvalds return fore200e_fetch_stats(fore200e, (struct sonet_stats __user *)arg); 19611da177e4SLinus Torvalds 19621da177e4SLinus Torvalds case SONET_GETDIAG: 19631da177e4SLinus Torvalds return put_user(0, (int __user *)arg) ? -EFAULT : 0; 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvalds case ATM_SETLOOP: 19661da177e4SLinus Torvalds return fore200e_setloop(fore200e, (int)(unsigned long)arg); 19671da177e4SLinus Torvalds 19681da177e4SLinus Torvalds case ATM_GETLOOP: 19691da177e4SLinus Torvalds return put_user(fore200e->loop_mode, (int __user *)arg) ? -EFAULT : 0; 19701da177e4SLinus Torvalds 19711da177e4SLinus Torvalds case ATM_QUERYLOOP: 19721da177e4SLinus Torvalds return put_user(ATM_LM_LOC_PHY | ATM_LM_RMT_PHY, (int __user *)arg) ? -EFAULT : 0; 19731da177e4SLinus Torvalds } 19741da177e4SLinus Torvalds 19751da177e4SLinus Torvalds return -ENOSYS; /* not implemented */ 19761da177e4SLinus Torvalds } 19771da177e4SLinus Torvalds 19781da177e4SLinus Torvalds 19791da177e4SLinus Torvalds static int 19801da177e4SLinus Torvalds fore200e_change_qos(struct atm_vcc* vcc,struct atm_qos* qos, int flags) 19811da177e4SLinus Torvalds { 19821da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); 19831da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(vcc->dev); 19841da177e4SLinus Torvalds 19851da177e4SLinus Torvalds if (!test_bit(ATM_VF_READY, &vcc->flags)) { 19861da177e4SLinus Torvalds DPRINTK(1, "VC %d.%d.%d not ready for QoS change\n", vcc->itf, vcc->vpi, vcc->vpi); 19871da177e4SLinus Torvalds return -EINVAL; 19881da177e4SLinus Torvalds } 19891da177e4SLinus Torvalds 19901da177e4SLinus Torvalds DPRINTK(2, "change_qos %d.%d.%d, " 19911da177e4SLinus Torvalds "(tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " 19921da177e4SLinus Torvalds "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d), flags = 0x%x\n" 19931da177e4SLinus Torvalds "available_cell_rate = %u", 19941da177e4SLinus Torvalds vcc->itf, vcc->vpi, vcc->vci, 19951da177e4SLinus Torvalds fore200e_traffic_class[ qos->txtp.traffic_class ], 19961da177e4SLinus Torvalds qos->txtp.min_pcr, qos->txtp.max_pcr, qos->txtp.max_cdv, qos->txtp.max_sdu, 19971da177e4SLinus Torvalds fore200e_traffic_class[ qos->rxtp.traffic_class ], 19981da177e4SLinus Torvalds qos->rxtp.min_pcr, qos->rxtp.max_pcr, qos->rxtp.max_cdv, qos->rxtp.max_sdu, 19991da177e4SLinus Torvalds flags, fore200e->available_cell_rate); 20001da177e4SLinus Torvalds 20011da177e4SLinus Torvalds if ((qos->txtp.traffic_class == ATM_CBR) && (qos->txtp.max_pcr > 0)) { 20021da177e4SLinus Torvalds 2003bfbf3c09SMatthias Kaehlcke mutex_lock(&fore200e->rate_mtx); 20041da177e4SLinus Torvalds if (fore200e->available_cell_rate + vcc->qos.txtp.max_pcr < qos->txtp.max_pcr) { 2005bfbf3c09SMatthias Kaehlcke mutex_unlock(&fore200e->rate_mtx); 20061da177e4SLinus Torvalds return -EAGAIN; 20071da177e4SLinus Torvalds } 20081da177e4SLinus Torvalds 20091da177e4SLinus Torvalds fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; 20101da177e4SLinus Torvalds fore200e->available_cell_rate -= qos->txtp.max_pcr; 20111da177e4SLinus Torvalds 2012bfbf3c09SMatthias Kaehlcke mutex_unlock(&fore200e->rate_mtx); 20131da177e4SLinus Torvalds 20141da177e4SLinus Torvalds memcpy(&vcc->qos, qos, sizeof(struct atm_qos)); 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvalds /* update rate control parameters */ 20171da177e4SLinus Torvalds fore200e_rate_ctrl(qos, &fore200e_vcc->rate); 20181da177e4SLinus Torvalds 20191da177e4SLinus Torvalds set_bit(ATM_VF_HASQOS, &vcc->flags); 20201da177e4SLinus Torvalds 20211da177e4SLinus Torvalds return 0; 20221da177e4SLinus Torvalds } 20231da177e4SLinus Torvalds 20241da177e4SLinus Torvalds return -EINVAL; 20251da177e4SLinus Torvalds } 20261da177e4SLinus Torvalds 20271da177e4SLinus Torvalds 20286c44512dSGreg Kroah-Hartman static int fore200e_irq_request(struct fore200e *fore200e) 20291da177e4SLinus Torvalds { 2030dace1453SThomas Gleixner if (request_irq(fore200e->irq, fore200e_interrupt, IRQF_SHARED, fore200e->name, fore200e->atm_dev) < 0) { 20311da177e4SLinus Torvalds 20321da177e4SLinus Torvalds printk(FORE200E "unable to reserve IRQ %s for device %s\n", 20331da177e4SLinus Torvalds fore200e_irq_itoa(fore200e->irq), fore200e->name); 20341da177e4SLinus Torvalds return -EBUSY; 20351da177e4SLinus Torvalds } 20361da177e4SLinus Torvalds 20371da177e4SLinus Torvalds printk(FORE200E "IRQ %s reserved for device %s\n", 20381da177e4SLinus Torvalds fore200e_irq_itoa(fore200e->irq), fore200e->name); 20391da177e4SLinus Torvalds 20401da177e4SLinus Torvalds #ifdef FORE200E_USE_TASKLET 20411da177e4SLinus Torvalds tasklet_init(&fore200e->tx_tasklet, fore200e_tx_tasklet, (unsigned long)fore200e); 20421da177e4SLinus Torvalds tasklet_init(&fore200e->rx_tasklet, fore200e_rx_tasklet, (unsigned long)fore200e); 20431da177e4SLinus Torvalds #endif 20441da177e4SLinus Torvalds 20451da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_IRQ; 20461da177e4SLinus Torvalds return 0; 20471da177e4SLinus Torvalds } 20481da177e4SLinus Torvalds 20491da177e4SLinus Torvalds 20506c44512dSGreg Kroah-Hartman static int fore200e_get_esi(struct fore200e *fore200e) 20511da177e4SLinus Torvalds { 20521f8a5fb8SAdrian Bunk struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL | GFP_DMA); 20531da177e4SLinus Torvalds int ok, i; 20541da177e4SLinus Torvalds 20551da177e4SLinus Torvalds if (!prom) 20561da177e4SLinus Torvalds return -ENOMEM; 20571da177e4SLinus Torvalds 20581da177e4SLinus Torvalds ok = fore200e->bus->prom_read(fore200e, prom); 20591da177e4SLinus Torvalds if (ok < 0) { 20601f8a5fb8SAdrian Bunk kfree(prom); 20611da177e4SLinus Torvalds return -EBUSY; 20621da177e4SLinus Torvalds } 20631da177e4SLinus Torvalds 20643008ab36Shartleys printk(FORE200E "device %s, rev. %c, S/N: %d, ESI: %pM\n", 20651da177e4SLinus Torvalds fore200e->name, 20661da177e4SLinus Torvalds (prom->hw_revision & 0xFF) + '@', /* probably meaningless with SBA boards */ 20673008ab36Shartleys prom->serial_number & 0xFFFF, &prom->mac_addr[2]); 20681da177e4SLinus Torvalds 20691da177e4SLinus Torvalds for (i = 0; i < ESI_LEN; i++) { 20701da177e4SLinus Torvalds fore200e->esi[ i ] = fore200e->atm_dev->esi[ i ] = prom->mac_addr[ i + 2 ]; 20711da177e4SLinus Torvalds } 20721da177e4SLinus Torvalds 20731f8a5fb8SAdrian Bunk kfree(prom); 20741da177e4SLinus Torvalds 20751da177e4SLinus Torvalds return 0; 20761da177e4SLinus Torvalds } 20771da177e4SLinus Torvalds 20781da177e4SLinus Torvalds 20796c44512dSGreg Kroah-Hartman static int fore200e_alloc_rx_buf(struct fore200e *fore200e) 20801da177e4SLinus Torvalds { 20811da177e4SLinus Torvalds int scheme, magn, nbr, size, i; 20821da177e4SLinus Torvalds 20831da177e4SLinus Torvalds struct host_bsq* bsq; 20841da177e4SLinus Torvalds struct buffer* buffer; 20851da177e4SLinus Torvalds 20861da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { 20871da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { 20881da177e4SLinus Torvalds 20891da177e4SLinus Torvalds bsq = &fore200e->host_bsq[ scheme ][ magn ]; 20901da177e4SLinus Torvalds 20911da177e4SLinus Torvalds nbr = fore200e_rx_buf_nbr[ scheme ][ magn ]; 20921da177e4SLinus Torvalds size = fore200e_rx_buf_size[ scheme ][ magn ]; 20931da177e4SLinus Torvalds 20941da177e4SLinus Torvalds DPRINTK(2, "rx buffers %d / %d are being allocated\n", scheme, magn); 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvalds /* allocate the array of receive buffers */ 20976396bb22SKees Cook buffer = bsq->buffer = kcalloc(nbr, sizeof(struct buffer), 20986396bb22SKees Cook GFP_KERNEL); 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvalds if (buffer == NULL) 21011da177e4SLinus Torvalds return -ENOMEM; 21021da177e4SLinus Torvalds 21031da177e4SLinus Torvalds bsq->freebuf = NULL; 21041da177e4SLinus Torvalds 21051da177e4SLinus Torvalds for (i = 0; i < nbr; i++) { 21061da177e4SLinus Torvalds 21071da177e4SLinus Torvalds buffer[ i ].scheme = scheme; 21081da177e4SLinus Torvalds buffer[ i ].magn = magn; 21091da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 21101da177e4SLinus Torvalds buffer[ i ].index = i; 21111da177e4SLinus Torvalds buffer[ i ].supplied = 0; 21121da177e4SLinus Torvalds #endif 21131da177e4SLinus Torvalds 21141da177e4SLinus Torvalds /* allocate the receive buffer body */ 21151da177e4SLinus Torvalds if (fore200e_chunk_alloc(fore200e, 21161da177e4SLinus Torvalds &buffer[ i ].data, size, fore200e->bus->buffer_alignment, 21171da177e4SLinus Torvalds DMA_FROM_DEVICE) < 0) { 21181da177e4SLinus Torvalds 21191da177e4SLinus Torvalds while (i > 0) 21201da177e4SLinus Torvalds fore200e_chunk_free(fore200e, &buffer[ --i ].data); 21211f8a5fb8SAdrian Bunk kfree(buffer); 21221da177e4SLinus Torvalds 21231da177e4SLinus Torvalds return -ENOMEM; 21241da177e4SLinus Torvalds } 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvalds /* insert the buffer into the free buffer list */ 21271da177e4SLinus Torvalds buffer[ i ].next = bsq->freebuf; 21281da177e4SLinus Torvalds bsq->freebuf = &buffer[ i ]; 21291da177e4SLinus Torvalds } 21301da177e4SLinus Torvalds /* all the buffers are free, initially */ 21311da177e4SLinus Torvalds bsq->freebuf_count = nbr; 21321da177e4SLinus Torvalds 21331da177e4SLinus Torvalds #ifdef FORE200E_BSQ_DEBUG 21341da177e4SLinus Torvalds bsq_audit(3, bsq, scheme, magn); 21351da177e4SLinus Torvalds #endif 21361da177e4SLinus Torvalds } 21371da177e4SLinus Torvalds } 21381da177e4SLinus Torvalds 21391da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_ALLOC_BUF; 21401da177e4SLinus Torvalds return 0; 21411da177e4SLinus Torvalds } 21421da177e4SLinus Torvalds 21431da177e4SLinus Torvalds 21446c44512dSGreg Kroah-Hartman static int fore200e_init_bs_queue(struct fore200e *fore200e) 21451da177e4SLinus Torvalds { 21461da177e4SLinus Torvalds int scheme, magn, i; 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvalds struct host_bsq* bsq; 21491da177e4SLinus Torvalds struct cp_bsq_entry __iomem * cp_entry; 21501da177e4SLinus Torvalds 21511da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { 21521da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { 21531da177e4SLinus Torvalds 21541da177e4SLinus Torvalds DPRINTK(2, "buffer supply queue %d / %d is being initialized\n", scheme, magn); 21551da177e4SLinus Torvalds 21561da177e4SLinus Torvalds bsq = &fore200e->host_bsq[ scheme ][ magn ]; 21571da177e4SLinus Torvalds 21581da177e4SLinus Torvalds /* allocate and align the array of status words */ 21591da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 21601da177e4SLinus Torvalds &bsq->status, 21611da177e4SLinus Torvalds sizeof(enum status), 21621da177e4SLinus Torvalds QUEUE_SIZE_BS, 21631da177e4SLinus Torvalds fore200e->bus->status_alignment) < 0) { 21641da177e4SLinus Torvalds return -ENOMEM; 21651da177e4SLinus Torvalds } 21661da177e4SLinus Torvalds 21671da177e4SLinus Torvalds /* allocate and align the array of receive buffer descriptors */ 21681da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 21691da177e4SLinus Torvalds &bsq->rbd_block, 21701da177e4SLinus Torvalds sizeof(struct rbd_block), 21711da177e4SLinus Torvalds QUEUE_SIZE_BS, 21721da177e4SLinus Torvalds fore200e->bus->descr_alignment) < 0) { 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &bsq->status); 21751da177e4SLinus Torvalds return -ENOMEM; 21761da177e4SLinus Torvalds } 21771da177e4SLinus Torvalds 21781da177e4SLinus Torvalds /* get the base address of the cp resident buffer supply queue entries */ 21791da177e4SLinus Torvalds cp_entry = fore200e->virt_base + 21801da177e4SLinus Torvalds fore200e->bus->read(&fore200e->cp_queues->cp_bsq[ scheme ][ magn ]); 21811da177e4SLinus Torvalds 21821da177e4SLinus Torvalds /* fill the host resident and cp resident buffer supply queue entries */ 21831da177e4SLinus Torvalds for (i = 0; i < QUEUE_SIZE_BS; i++) { 21841da177e4SLinus Torvalds 21851da177e4SLinus Torvalds bsq->host_entry[ i ].status = 21861da177e4SLinus Torvalds FORE200E_INDEX(bsq->status.align_addr, enum status, i); 21871da177e4SLinus Torvalds bsq->host_entry[ i ].rbd_block = 21881da177e4SLinus Torvalds FORE200E_INDEX(bsq->rbd_block.align_addr, struct rbd_block, i); 21891da177e4SLinus Torvalds bsq->host_entry[ i ].rbd_block_dma = 21901da177e4SLinus Torvalds FORE200E_DMA_INDEX(bsq->rbd_block.dma_addr, struct rbd_block, i); 21911da177e4SLinus Torvalds bsq->host_entry[ i ].cp_entry = &cp_entry[ i ]; 21921da177e4SLinus Torvalds 21931da177e4SLinus Torvalds *bsq->host_entry[ i ].status = STATUS_FREE; 21941da177e4SLinus Torvalds 21951da177e4SLinus Torvalds fore200e->bus->write(FORE200E_DMA_INDEX(bsq->status.dma_addr, enum status, i), 21961da177e4SLinus Torvalds &cp_entry[ i ].status_haddr); 21971da177e4SLinus Torvalds } 21981da177e4SLinus Torvalds } 21991da177e4SLinus Torvalds } 22001da177e4SLinus Torvalds 22011da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_INIT_BSQ; 22021da177e4SLinus Torvalds return 0; 22031da177e4SLinus Torvalds } 22041da177e4SLinus Torvalds 22051da177e4SLinus Torvalds 22066c44512dSGreg Kroah-Hartman static int fore200e_init_rx_queue(struct fore200e *fore200e) 22071da177e4SLinus Torvalds { 22081da177e4SLinus Torvalds struct host_rxq* rxq = &fore200e->host_rxq; 22091da177e4SLinus Torvalds struct cp_rxq_entry __iomem * cp_entry; 22101da177e4SLinus Torvalds int i; 22111da177e4SLinus Torvalds 22121da177e4SLinus Torvalds DPRINTK(2, "receive queue is being initialized\n"); 22131da177e4SLinus Torvalds 22141da177e4SLinus Torvalds /* allocate and align the array of status words */ 22151da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 22161da177e4SLinus Torvalds &rxq->status, 22171da177e4SLinus Torvalds sizeof(enum status), 22181da177e4SLinus Torvalds QUEUE_SIZE_RX, 22191da177e4SLinus Torvalds fore200e->bus->status_alignment) < 0) { 22201da177e4SLinus Torvalds return -ENOMEM; 22211da177e4SLinus Torvalds } 22221da177e4SLinus Torvalds 22231da177e4SLinus Torvalds /* allocate and align the array of receive PDU descriptors */ 22241da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 22251da177e4SLinus Torvalds &rxq->rpd, 22261da177e4SLinus Torvalds sizeof(struct rpd), 22271da177e4SLinus Torvalds QUEUE_SIZE_RX, 22281da177e4SLinus Torvalds fore200e->bus->descr_alignment) < 0) { 22291da177e4SLinus Torvalds 22301da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &rxq->status); 22311da177e4SLinus Torvalds return -ENOMEM; 22321da177e4SLinus Torvalds } 22331da177e4SLinus Torvalds 22341da177e4SLinus Torvalds /* get the base address of the cp resident rx queue entries */ 22351da177e4SLinus Torvalds cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_rxq); 22361da177e4SLinus Torvalds 22371da177e4SLinus Torvalds /* fill the host resident and cp resident rx entries */ 22381da177e4SLinus Torvalds for (i=0; i < QUEUE_SIZE_RX; i++) { 22391da177e4SLinus Torvalds 22401da177e4SLinus Torvalds rxq->host_entry[ i ].status = 22411da177e4SLinus Torvalds FORE200E_INDEX(rxq->status.align_addr, enum status, i); 22421da177e4SLinus Torvalds rxq->host_entry[ i ].rpd = 22431da177e4SLinus Torvalds FORE200E_INDEX(rxq->rpd.align_addr, struct rpd, i); 22441da177e4SLinus Torvalds rxq->host_entry[ i ].rpd_dma = 22451da177e4SLinus Torvalds FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i); 22461da177e4SLinus Torvalds rxq->host_entry[ i ].cp_entry = &cp_entry[ i ]; 22471da177e4SLinus Torvalds 22481da177e4SLinus Torvalds *rxq->host_entry[ i ].status = STATUS_FREE; 22491da177e4SLinus Torvalds 22501da177e4SLinus Torvalds fore200e->bus->write(FORE200E_DMA_INDEX(rxq->status.dma_addr, enum status, i), 22511da177e4SLinus Torvalds &cp_entry[ i ].status_haddr); 22521da177e4SLinus Torvalds 22531da177e4SLinus Torvalds fore200e->bus->write(FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i), 22541da177e4SLinus Torvalds &cp_entry[ i ].rpd_haddr); 22551da177e4SLinus Torvalds } 22561da177e4SLinus Torvalds 22571da177e4SLinus Torvalds /* set the head entry of the queue */ 22581da177e4SLinus Torvalds rxq->head = 0; 22591da177e4SLinus Torvalds 22601da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_INIT_RXQ; 22611da177e4SLinus Torvalds return 0; 22621da177e4SLinus Torvalds } 22631da177e4SLinus Torvalds 22641da177e4SLinus Torvalds 22656c44512dSGreg Kroah-Hartman static int fore200e_init_tx_queue(struct fore200e *fore200e) 22661da177e4SLinus Torvalds { 22671da177e4SLinus Torvalds struct host_txq* txq = &fore200e->host_txq; 22681da177e4SLinus Torvalds struct cp_txq_entry __iomem * cp_entry; 22691da177e4SLinus Torvalds int i; 22701da177e4SLinus Torvalds 22711da177e4SLinus Torvalds DPRINTK(2, "transmit queue is being initialized\n"); 22721da177e4SLinus Torvalds 22731da177e4SLinus Torvalds /* allocate and align the array of status words */ 22741da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 22751da177e4SLinus Torvalds &txq->status, 22761da177e4SLinus Torvalds sizeof(enum status), 22771da177e4SLinus Torvalds QUEUE_SIZE_TX, 22781da177e4SLinus Torvalds fore200e->bus->status_alignment) < 0) { 22791da177e4SLinus Torvalds return -ENOMEM; 22801da177e4SLinus Torvalds } 22811da177e4SLinus Torvalds 22821da177e4SLinus Torvalds /* allocate and align the array of transmit PDU descriptors */ 22831da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 22841da177e4SLinus Torvalds &txq->tpd, 22851da177e4SLinus Torvalds sizeof(struct tpd), 22861da177e4SLinus Torvalds QUEUE_SIZE_TX, 22871da177e4SLinus Torvalds fore200e->bus->descr_alignment) < 0) { 22881da177e4SLinus Torvalds 22891da177e4SLinus Torvalds fore200e->bus->dma_chunk_free(fore200e, &txq->status); 22901da177e4SLinus Torvalds return -ENOMEM; 22911da177e4SLinus Torvalds } 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvalds /* get the base address of the cp resident tx queue entries */ 22941da177e4SLinus Torvalds cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_txq); 22951da177e4SLinus Torvalds 22961da177e4SLinus Torvalds /* fill the host resident and cp resident tx entries */ 22971da177e4SLinus Torvalds for (i=0; i < QUEUE_SIZE_TX; i++) { 22981da177e4SLinus Torvalds 22991da177e4SLinus Torvalds txq->host_entry[ i ].status = 23001da177e4SLinus Torvalds FORE200E_INDEX(txq->status.align_addr, enum status, i); 23011da177e4SLinus Torvalds txq->host_entry[ i ].tpd = 23021da177e4SLinus Torvalds FORE200E_INDEX(txq->tpd.align_addr, struct tpd, i); 23031da177e4SLinus Torvalds txq->host_entry[ i ].tpd_dma = 23041da177e4SLinus Torvalds FORE200E_DMA_INDEX(txq->tpd.dma_addr, struct tpd, i); 23051da177e4SLinus Torvalds txq->host_entry[ i ].cp_entry = &cp_entry[ i ]; 23061da177e4SLinus Torvalds 23071da177e4SLinus Torvalds *txq->host_entry[ i ].status = STATUS_FREE; 23081da177e4SLinus Torvalds 23091da177e4SLinus Torvalds fore200e->bus->write(FORE200E_DMA_INDEX(txq->status.dma_addr, enum status, i), 23101da177e4SLinus Torvalds &cp_entry[ i ].status_haddr); 23111da177e4SLinus Torvalds 23121da177e4SLinus Torvalds /* although there is a one-to-one mapping of tx queue entries and tpds, 23131da177e4SLinus Torvalds we do not write here the DMA (physical) base address of each tpd into 23141da177e4SLinus Torvalds the related cp resident entry, because the cp relies on this write 23151da177e4SLinus Torvalds operation to detect that a new pdu has been submitted for tx */ 23161da177e4SLinus Torvalds } 23171da177e4SLinus Torvalds 23181da177e4SLinus Torvalds /* set the head and tail entries of the queue */ 23191da177e4SLinus Torvalds txq->head = 0; 23201da177e4SLinus Torvalds txq->tail = 0; 23211da177e4SLinus Torvalds 23221da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_INIT_TXQ; 23231da177e4SLinus Torvalds return 0; 23241da177e4SLinus Torvalds } 23251da177e4SLinus Torvalds 23261da177e4SLinus Torvalds 23276c44512dSGreg Kroah-Hartman static int fore200e_init_cmd_queue(struct fore200e *fore200e) 23281da177e4SLinus Torvalds { 23291da177e4SLinus Torvalds struct host_cmdq* cmdq = &fore200e->host_cmdq; 23301da177e4SLinus Torvalds struct cp_cmdq_entry __iomem * cp_entry; 23311da177e4SLinus Torvalds int i; 23321da177e4SLinus Torvalds 23331da177e4SLinus Torvalds DPRINTK(2, "command queue is being initialized\n"); 23341da177e4SLinus Torvalds 23351da177e4SLinus Torvalds /* allocate and align the array of status words */ 23361da177e4SLinus Torvalds if (fore200e->bus->dma_chunk_alloc(fore200e, 23371da177e4SLinus Torvalds &cmdq->status, 23381da177e4SLinus Torvalds sizeof(enum status), 23391da177e4SLinus Torvalds QUEUE_SIZE_CMD, 23401da177e4SLinus Torvalds fore200e->bus->status_alignment) < 0) { 23411da177e4SLinus Torvalds return -ENOMEM; 23421da177e4SLinus Torvalds } 23431da177e4SLinus Torvalds 23441da177e4SLinus Torvalds /* get the base address of the cp resident cmd queue entries */ 23451da177e4SLinus Torvalds cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_cmdq); 23461da177e4SLinus Torvalds 23471da177e4SLinus Torvalds /* fill the host resident and cp resident cmd entries */ 23481da177e4SLinus Torvalds for (i=0; i < QUEUE_SIZE_CMD; i++) { 23491da177e4SLinus Torvalds 23501da177e4SLinus Torvalds cmdq->host_entry[ i ].status = 23511da177e4SLinus Torvalds FORE200E_INDEX(cmdq->status.align_addr, enum status, i); 23521da177e4SLinus Torvalds cmdq->host_entry[ i ].cp_entry = &cp_entry[ i ]; 23531da177e4SLinus Torvalds 23541da177e4SLinus Torvalds *cmdq->host_entry[ i ].status = STATUS_FREE; 23551da177e4SLinus Torvalds 23561da177e4SLinus Torvalds fore200e->bus->write(FORE200E_DMA_INDEX(cmdq->status.dma_addr, enum status, i), 23571da177e4SLinus Torvalds &cp_entry[ i ].status_haddr); 23581da177e4SLinus Torvalds } 23591da177e4SLinus Torvalds 23601da177e4SLinus Torvalds /* set the head entry of the queue */ 23611da177e4SLinus Torvalds cmdq->head = 0; 23621da177e4SLinus Torvalds 23631da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_INIT_CMDQ; 23641da177e4SLinus Torvalds return 0; 23651da177e4SLinus Torvalds } 23661da177e4SLinus Torvalds 23671da177e4SLinus Torvalds 23686c44512dSGreg Kroah-Hartman static void fore200e_param_bs_queue(struct fore200e *fore200e, 23696c44512dSGreg Kroah-Hartman enum buffer_scheme scheme, 23706c44512dSGreg Kroah-Hartman enum buffer_magn magn, int queue_length, 23716c44512dSGreg Kroah-Hartman int pool_size, int supply_blksize) 23721da177e4SLinus Torvalds { 23731da177e4SLinus Torvalds struct bs_spec __iomem * bs_spec = &fore200e->cp_queues->init.bs_spec[ scheme ][ magn ]; 23741da177e4SLinus Torvalds 23751da177e4SLinus Torvalds fore200e->bus->write(queue_length, &bs_spec->queue_length); 23761da177e4SLinus Torvalds fore200e->bus->write(fore200e_rx_buf_size[ scheme ][ magn ], &bs_spec->buffer_size); 23771da177e4SLinus Torvalds fore200e->bus->write(pool_size, &bs_spec->pool_size); 23781da177e4SLinus Torvalds fore200e->bus->write(supply_blksize, &bs_spec->supply_blksize); 23791da177e4SLinus Torvalds } 23801da177e4SLinus Torvalds 23811da177e4SLinus Torvalds 23826c44512dSGreg Kroah-Hartman static int fore200e_initialize(struct fore200e *fore200e) 23831da177e4SLinus Torvalds { 23841da177e4SLinus Torvalds struct cp_queues __iomem * cpq; 23851da177e4SLinus Torvalds int ok, scheme, magn; 23861da177e4SLinus Torvalds 23871da177e4SLinus Torvalds DPRINTK(2, "device %s being initialized\n", fore200e->name); 23881da177e4SLinus Torvalds 2389bfbf3c09SMatthias Kaehlcke mutex_init(&fore200e->rate_mtx); 23901da177e4SLinus Torvalds spin_lock_init(&fore200e->q_lock); 23911da177e4SLinus Torvalds 23921da177e4SLinus Torvalds cpq = fore200e->cp_queues = fore200e->virt_base + FORE200E_CP_QUEUES_OFFSET; 23931da177e4SLinus Torvalds 23941da177e4SLinus Torvalds /* enable cp to host interrupts */ 23951da177e4SLinus Torvalds fore200e->bus->write(1, &cpq->imask); 23961da177e4SLinus Torvalds 23971da177e4SLinus Torvalds if (fore200e->bus->irq_enable) 23981da177e4SLinus Torvalds fore200e->bus->irq_enable(fore200e); 23991da177e4SLinus Torvalds 24001da177e4SLinus Torvalds fore200e->bus->write(NBR_CONNECT, &cpq->init.num_connect); 24011da177e4SLinus Torvalds 24021da177e4SLinus Torvalds fore200e->bus->write(QUEUE_SIZE_CMD, &cpq->init.cmd_queue_len); 24031da177e4SLinus Torvalds fore200e->bus->write(QUEUE_SIZE_RX, &cpq->init.rx_queue_len); 24041da177e4SLinus Torvalds fore200e->bus->write(QUEUE_SIZE_TX, &cpq->init.tx_queue_len); 24051da177e4SLinus Torvalds 24061da177e4SLinus Torvalds fore200e->bus->write(RSD_EXTENSION, &cpq->init.rsd_extension); 24071da177e4SLinus Torvalds fore200e->bus->write(TSD_EXTENSION, &cpq->init.tsd_extension); 24081da177e4SLinus Torvalds 24091da177e4SLinus Torvalds for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) 24101da177e4SLinus Torvalds for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) 24111da177e4SLinus Torvalds fore200e_param_bs_queue(fore200e, scheme, magn, 24121da177e4SLinus Torvalds QUEUE_SIZE_BS, 24131da177e4SLinus Torvalds fore200e_rx_buf_nbr[ scheme ][ magn ], 24141da177e4SLinus Torvalds RBD_BLK_SIZE); 24151da177e4SLinus Torvalds 24161da177e4SLinus Torvalds /* issue the initialize command */ 24171da177e4SLinus Torvalds fore200e->bus->write(STATUS_PENDING, &cpq->init.status); 24181da177e4SLinus Torvalds fore200e->bus->write(OPCODE_INITIALIZE, &cpq->init.opcode); 24191da177e4SLinus Torvalds 24201da177e4SLinus Torvalds ok = fore200e_io_poll(fore200e, &cpq->init.status, STATUS_COMPLETE, 3000); 24211da177e4SLinus Torvalds if (ok == 0) { 24221da177e4SLinus Torvalds printk(FORE200E "device %s initialization failed\n", fore200e->name); 24231da177e4SLinus Torvalds return -ENODEV; 24241da177e4SLinus Torvalds } 24251da177e4SLinus Torvalds 24261da177e4SLinus Torvalds printk(FORE200E "device %s initialized\n", fore200e->name); 24271da177e4SLinus Torvalds 24281da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_INITIALIZE; 24291da177e4SLinus Torvalds return 0; 24301da177e4SLinus Torvalds } 24311da177e4SLinus Torvalds 24321da177e4SLinus Torvalds 24336c44512dSGreg Kroah-Hartman static void fore200e_monitor_putc(struct fore200e *fore200e, char c) 24341da177e4SLinus Torvalds { 24351da177e4SLinus Torvalds struct cp_monitor __iomem * monitor = fore200e->cp_monitor; 24361da177e4SLinus Torvalds 24371da177e4SLinus Torvalds #if 0 24381da177e4SLinus Torvalds printk("%c", c); 24391da177e4SLinus Torvalds #endif 24401da177e4SLinus Torvalds fore200e->bus->write(((u32) c) | FORE200E_CP_MONITOR_UART_AVAIL, &monitor->soft_uart.send); 24411da177e4SLinus Torvalds } 24421da177e4SLinus Torvalds 24431da177e4SLinus Torvalds 24446c44512dSGreg Kroah-Hartman static int fore200e_monitor_getc(struct fore200e *fore200e) 24451da177e4SLinus Torvalds { 24461da177e4SLinus Torvalds struct cp_monitor __iomem * monitor = fore200e->cp_monitor; 24471da177e4SLinus Torvalds unsigned long timeout = jiffies + msecs_to_jiffies(50); 24481da177e4SLinus Torvalds int c; 24491da177e4SLinus Torvalds 24501da177e4SLinus Torvalds while (time_before(jiffies, timeout)) { 24511da177e4SLinus Torvalds 24521da177e4SLinus Torvalds c = (int) fore200e->bus->read(&monitor->soft_uart.recv); 24531da177e4SLinus Torvalds 24541da177e4SLinus Torvalds if (c & FORE200E_CP_MONITOR_UART_AVAIL) { 24551da177e4SLinus Torvalds 24561da177e4SLinus Torvalds fore200e->bus->write(FORE200E_CP_MONITOR_UART_FREE, &monitor->soft_uart.recv); 24571da177e4SLinus Torvalds #if 0 24581da177e4SLinus Torvalds printk("%c", c & 0xFF); 24591da177e4SLinus Torvalds #endif 24601da177e4SLinus Torvalds return c & 0xFF; 24611da177e4SLinus Torvalds } 24621da177e4SLinus Torvalds } 24631da177e4SLinus Torvalds 24641da177e4SLinus Torvalds return -1; 24651da177e4SLinus Torvalds } 24661da177e4SLinus Torvalds 24671da177e4SLinus Torvalds 24686c44512dSGreg Kroah-Hartman static void fore200e_monitor_puts(struct fore200e *fore200e, char *str) 24691da177e4SLinus Torvalds { 24701da177e4SLinus Torvalds while (*str) { 24711da177e4SLinus Torvalds 24721da177e4SLinus Torvalds /* the i960 monitor doesn't accept any new character if it has something to say */ 24731da177e4SLinus Torvalds while (fore200e_monitor_getc(fore200e) >= 0); 24741da177e4SLinus Torvalds 24751da177e4SLinus Torvalds fore200e_monitor_putc(fore200e, *str++); 24761da177e4SLinus Torvalds } 24771da177e4SLinus Torvalds 24781da177e4SLinus Torvalds while (fore200e_monitor_getc(fore200e) >= 0); 24791da177e4SLinus Torvalds } 24801da177e4SLinus Torvalds 2481e92481f9SChas Williams #ifdef __LITTLE_ENDIAN 2482e92481f9SChas Williams #define FW_EXT ".bin" 2483e92481f9SChas Williams #else 2484e92481f9SChas Williams #define FW_EXT "_ecd.bin2" 2485e92481f9SChas Williams #endif 24861da177e4SLinus Torvalds 24876c44512dSGreg Kroah-Hartman static int fore200e_load_and_start_fw(struct fore200e *fore200e) 24881da177e4SLinus Torvalds { 2489e92481f9SChas Williams const struct firmware *firmware; 2490e92481f9SChas Williams struct device *device; 2491b65b24d4SLABBE Corentin const struct fw_header *fw_header; 24926f75a9b6SChas Williams const __le32 *fw_data; 24936f75a9b6SChas Williams u32 fw_size; 2494e92481f9SChas Williams u32 __iomem *load_addr; 2495e92481f9SChas Williams char buf[48]; 2496e92481f9SChas Williams int err = -ENODEV; 2497e92481f9SChas Williams 2498e92481f9SChas Williams if (strcmp(fore200e->bus->model_name, "PCA-200E") == 0) 2499e92481f9SChas Williams device = &((struct pci_dev *) fore200e->bus_dev)->dev; 2500e92481f9SChas Williams #ifdef CONFIG_SBUS 2501e92481f9SChas Williams else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0) 25022dc11581SGrant Likely device = &((struct platform_device *) fore200e->bus_dev)->dev; 2503e92481f9SChas Williams #endif 2504e92481f9SChas Williams else 2505e92481f9SChas Williams return err; 2506e92481f9SChas Williams 2507e92481f9SChas Williams sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT); 2508fcffd0d8SMeelis Roos if ((err = request_firmware(&firmware, buf, device)) < 0) { 2509fcffd0d8SMeelis Roos printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name); 2510e92481f9SChas Williams return err; 2511e92481f9SChas Williams } 2512e92481f9SChas Williams 2513b65b24d4SLABBE Corentin fw_data = (const __le32 *)firmware->data; 2514e92481f9SChas Williams fw_size = firmware->size / sizeof(u32); 2515b65b24d4SLABBE Corentin fw_header = (const struct fw_header *)firmware->data; 2516e92481f9SChas Williams load_addr = fore200e->virt_base + le32_to_cpu(fw_header->load_offset); 2517e92481f9SChas Williams 2518e92481f9SChas Williams DPRINTK(2, "device %s firmware being loaded at 0x%p (%d words)\n", 2519e92481f9SChas Williams fore200e->name, load_addr, fw_size); 2520e92481f9SChas Williams 2521e92481f9SChas Williams if (le32_to_cpu(fw_header->magic) != FW_HEADER_MAGIC) { 2522e92481f9SChas Williams printk(FORE200E "corrupted %s firmware image\n", fore200e->bus->model_name); 2523e92481f9SChas Williams goto release; 2524e92481f9SChas Williams } 2525e92481f9SChas Williams 2526e92481f9SChas Williams for (; fw_size--; fw_data++, load_addr++) 2527e92481f9SChas Williams fore200e->bus->write(le32_to_cpu(*fw_data), load_addr); 25281da177e4SLinus Torvalds 25291da177e4SLinus Torvalds DPRINTK(2, "device %s firmware being started\n", fore200e->name); 25301da177e4SLinus Torvalds 25311da177e4SLinus Torvalds #if defined(__sparc_v9__) 25321da177e4SLinus Torvalds /* reported to be required by SBA cards on some sparc64 hosts */ 25331da177e4SLinus Torvalds fore200e_spin(100); 25341da177e4SLinus Torvalds #endif 25351da177e4SLinus Torvalds 2536e92481f9SChas Williams sprintf(buf, "\rgo %x\r", le32_to_cpu(fw_header->start_offset)); 2537e92481f9SChas Williams fore200e_monitor_puts(fore200e, buf); 25381da177e4SLinus Torvalds 2539e92481f9SChas Williams if (fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_CP_RUNNING, 1000) == 0) { 25401da177e4SLinus Torvalds printk(FORE200E "device %s firmware didn't start\n", fore200e->name); 2541e92481f9SChas Williams goto release; 25421da177e4SLinus Torvalds } 25431da177e4SLinus Torvalds 25441da177e4SLinus Torvalds printk(FORE200E "device %s firmware started\n", fore200e->name); 25451da177e4SLinus Torvalds 25461da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_START_FW; 2547e92481f9SChas Williams err = 0; 25481da177e4SLinus Torvalds 2549e92481f9SChas Williams release: 2550e92481f9SChas Williams release_firmware(firmware); 2551e92481f9SChas Williams return err; 25521da177e4SLinus Torvalds } 25531da177e4SLinus Torvalds 25541da177e4SLinus Torvalds 25556c44512dSGreg Kroah-Hartman static int fore200e_register(struct fore200e *fore200e, struct device *parent) 25561da177e4SLinus Torvalds { 25571da177e4SLinus Torvalds struct atm_dev* atm_dev; 25581da177e4SLinus Torvalds 25591da177e4SLinus Torvalds DPRINTK(2, "device %s being registered\n", fore200e->name); 25601da177e4SLinus Torvalds 2561d9ca676bSDan Williams atm_dev = atm_dev_register(fore200e->bus->proc_name, parent, &fore200e_ops, 2562d9ca676bSDan Williams -1, NULL); 25631da177e4SLinus Torvalds if (atm_dev == NULL) { 25641da177e4SLinus Torvalds printk(FORE200E "unable to register device %s\n", fore200e->name); 25651da177e4SLinus Torvalds return -ENODEV; 25661da177e4SLinus Torvalds } 25671da177e4SLinus Torvalds 25681da177e4SLinus Torvalds atm_dev->dev_data = fore200e; 25691da177e4SLinus Torvalds fore200e->atm_dev = atm_dev; 25701da177e4SLinus Torvalds 25711da177e4SLinus Torvalds atm_dev->ci_range.vpi_bits = FORE200E_VPI_BITS; 25721da177e4SLinus Torvalds atm_dev->ci_range.vci_bits = FORE200E_VCI_BITS; 25731da177e4SLinus Torvalds 25741da177e4SLinus Torvalds fore200e->available_cell_rate = ATM_OC3_PCR; 25751da177e4SLinus Torvalds 25761da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_REGISTER; 25771da177e4SLinus Torvalds return 0; 25781da177e4SLinus Torvalds } 25791da177e4SLinus Torvalds 25801da177e4SLinus Torvalds 25816c44512dSGreg Kroah-Hartman static int fore200e_init(struct fore200e *fore200e, struct device *parent) 25821da177e4SLinus Torvalds { 2583d9ca676bSDan Williams if (fore200e_register(fore200e, parent) < 0) 25841da177e4SLinus Torvalds return -ENODEV; 25851da177e4SLinus Torvalds 25861da177e4SLinus Torvalds if (fore200e->bus->configure(fore200e) < 0) 25871da177e4SLinus Torvalds return -ENODEV; 25881da177e4SLinus Torvalds 25891da177e4SLinus Torvalds if (fore200e->bus->map(fore200e) < 0) 25901da177e4SLinus Torvalds return -ENODEV; 25911da177e4SLinus Torvalds 25921da177e4SLinus Torvalds if (fore200e_reset(fore200e, 1) < 0) 25931da177e4SLinus Torvalds return -ENODEV; 25941da177e4SLinus Torvalds 2595e92481f9SChas Williams if (fore200e_load_and_start_fw(fore200e) < 0) 25961da177e4SLinus Torvalds return -ENODEV; 25971da177e4SLinus Torvalds 25981da177e4SLinus Torvalds if (fore200e_initialize(fore200e) < 0) 25991da177e4SLinus Torvalds return -ENODEV; 26001da177e4SLinus Torvalds 26011da177e4SLinus Torvalds if (fore200e_init_cmd_queue(fore200e) < 0) 26021da177e4SLinus Torvalds return -ENOMEM; 26031da177e4SLinus Torvalds 26041da177e4SLinus Torvalds if (fore200e_init_tx_queue(fore200e) < 0) 26051da177e4SLinus Torvalds return -ENOMEM; 26061da177e4SLinus Torvalds 26071da177e4SLinus Torvalds if (fore200e_init_rx_queue(fore200e) < 0) 26081da177e4SLinus Torvalds return -ENOMEM; 26091da177e4SLinus Torvalds 26101da177e4SLinus Torvalds if (fore200e_init_bs_queue(fore200e) < 0) 26111da177e4SLinus Torvalds return -ENOMEM; 26121da177e4SLinus Torvalds 26131da177e4SLinus Torvalds if (fore200e_alloc_rx_buf(fore200e) < 0) 26141da177e4SLinus Torvalds return -ENOMEM; 26151da177e4SLinus Torvalds 26161da177e4SLinus Torvalds if (fore200e_get_esi(fore200e) < 0) 26171da177e4SLinus Torvalds return -EIO; 26181da177e4SLinus Torvalds 26191da177e4SLinus Torvalds if (fore200e_irq_request(fore200e) < 0) 26201da177e4SLinus Torvalds return -EBUSY; 26211da177e4SLinus Torvalds 26221da177e4SLinus Torvalds fore200e_supply(fore200e); 26231da177e4SLinus Torvalds 26241da177e4SLinus Torvalds /* all done, board initialization is now complete */ 26251da177e4SLinus Torvalds fore200e->state = FORE200E_STATE_COMPLETE; 26261da177e4SLinus Torvalds return 0; 26271da177e4SLinus Torvalds } 26281da177e4SLinus Torvalds 2629826b6cfcSDavid S. Miller #ifdef CONFIG_SBUS 2630b1608d69SGrant Likely static const struct of_device_id fore200e_sba_match[]; 26316c44512dSGreg Kroah-Hartman static int fore200e_sba_probe(struct platform_device *op) 2632826b6cfcSDavid S. Miller { 2633b1608d69SGrant Likely const struct of_device_id *match; 26341c48a5c9SGrant Likely const struct fore200e_bus *bus; 2635826b6cfcSDavid S. Miller struct fore200e *fore200e; 2636826b6cfcSDavid S. Miller static int index = 0; 2637826b6cfcSDavid S. Miller int err; 2638826b6cfcSDavid S. Miller 2639b1608d69SGrant Likely match = of_match_device(fore200e_sba_match, &op->dev); 2640b1608d69SGrant Likely if (!match) 26411c48a5c9SGrant Likely return -EINVAL; 2642b1608d69SGrant Likely bus = match->data; 26431c48a5c9SGrant Likely 2644826b6cfcSDavid S. Miller fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); 2645826b6cfcSDavid S. Miller if (!fore200e) 2646826b6cfcSDavid S. Miller return -ENOMEM; 2647826b6cfcSDavid S. Miller 2648826b6cfcSDavid S. Miller fore200e->bus = bus; 2649826b6cfcSDavid S. Miller fore200e->bus_dev = op; 26501636f8acSGrant Likely fore200e->irq = op->archdata.irqs[0]; 2651826b6cfcSDavid S. Miller fore200e->phys_base = op->resource[0].start; 2652826b6cfcSDavid S. Miller 2653826b6cfcSDavid S. Miller sprintf(fore200e->name, "%s-%d", bus->model_name, index); 2654826b6cfcSDavid S. Miller 2655d9ca676bSDan Williams err = fore200e_init(fore200e, &op->dev); 2656826b6cfcSDavid S. Miller if (err < 0) { 2657826b6cfcSDavid S. Miller fore200e_shutdown(fore200e); 2658826b6cfcSDavid S. Miller kfree(fore200e); 2659826b6cfcSDavid S. Miller return err; 2660826b6cfcSDavid S. Miller } 2661826b6cfcSDavid S. Miller 2662826b6cfcSDavid S. Miller index++; 2663826b6cfcSDavid S. Miller dev_set_drvdata(&op->dev, fore200e); 2664826b6cfcSDavid S. Miller 2665826b6cfcSDavid S. Miller return 0; 2666826b6cfcSDavid S. Miller } 2667826b6cfcSDavid S. Miller 26686c44512dSGreg Kroah-Hartman static int fore200e_sba_remove(struct platform_device *op) 2669826b6cfcSDavid S. Miller { 2670826b6cfcSDavid S. Miller struct fore200e *fore200e = dev_get_drvdata(&op->dev); 2671826b6cfcSDavid S. Miller 2672826b6cfcSDavid S. Miller fore200e_shutdown(fore200e); 2673826b6cfcSDavid S. Miller kfree(fore200e); 2674826b6cfcSDavid S. Miller 2675826b6cfcSDavid S. Miller return 0; 2676826b6cfcSDavid S. Miller } 2677826b6cfcSDavid S. Miller 2678fd098316SDavid S. Miller static const struct of_device_id fore200e_sba_match[] = { 2679826b6cfcSDavid S. Miller { 2680826b6cfcSDavid S. Miller .name = SBA200E_PROM_NAME, 2681826b6cfcSDavid S. Miller .data = (void *) &fore200e_bus[1], 2682826b6cfcSDavid S. Miller }, 2683826b6cfcSDavid S. Miller {}, 2684826b6cfcSDavid S. Miller }; 2685826b6cfcSDavid S. Miller MODULE_DEVICE_TABLE(of, fore200e_sba_match); 2686826b6cfcSDavid S. Miller 26871c48a5c9SGrant Likely static struct platform_driver fore200e_sba_driver = { 26884018294bSGrant Likely .driver = { 2689826b6cfcSDavid S. Miller .name = "fore_200e", 26904018294bSGrant Likely .of_match_table = fore200e_sba_match, 26914018294bSGrant Likely }, 2692826b6cfcSDavid S. Miller .probe = fore200e_sba_probe, 26936c44512dSGreg Kroah-Hartman .remove = fore200e_sba_remove, 2694826b6cfcSDavid S. Miller }; 2695826b6cfcSDavid S. Miller #endif 2696826b6cfcSDavid S. Miller 2697e92481f9SChas Williams #ifdef CONFIG_PCI 26986c44512dSGreg Kroah-Hartman static int fore200e_pca_detect(struct pci_dev *pci_dev, 26996c44512dSGreg Kroah-Hartman const struct pci_device_id *pci_ent) 27001da177e4SLinus Torvalds { 27011da177e4SLinus Torvalds const struct fore200e_bus* bus = (struct fore200e_bus*) pci_ent->driver_data; 27021da177e4SLinus Torvalds struct fore200e* fore200e; 27031da177e4SLinus Torvalds int err = 0; 27041da177e4SLinus Torvalds static int index = 0; 27051da177e4SLinus Torvalds 27061da177e4SLinus Torvalds if (pci_enable_device(pci_dev)) { 27071da177e4SLinus Torvalds err = -EINVAL; 27081da177e4SLinus Torvalds goto out; 27091da177e4SLinus Torvalds } 27101da177e4SLinus Torvalds 2711ede58ef2Schas williams - CONTRACTOR if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32))) { 2712ede58ef2Schas williams - CONTRACTOR err = -EINVAL; 2713ede58ef2Schas williams - CONTRACTOR goto out; 2714ede58ef2Schas williams - CONTRACTOR } 2715ede58ef2Schas williams - CONTRACTOR 27161f8a5fb8SAdrian Bunk fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); 27171da177e4SLinus Torvalds if (fore200e == NULL) { 27181da177e4SLinus Torvalds err = -ENOMEM; 27191da177e4SLinus Torvalds goto out_disable; 27201da177e4SLinus Torvalds } 27211da177e4SLinus Torvalds 27221da177e4SLinus Torvalds fore200e->bus = bus; 27231da177e4SLinus Torvalds fore200e->bus_dev = pci_dev; 27241da177e4SLinus Torvalds fore200e->irq = pci_dev->irq; 27251da177e4SLinus Torvalds fore200e->phys_base = pci_resource_start(pci_dev, 0); 27261da177e4SLinus Torvalds 27271da177e4SLinus Torvalds sprintf(fore200e->name, "%s-%d", bus->model_name, index - 1); 27281da177e4SLinus Torvalds 27291da177e4SLinus Torvalds pci_set_master(pci_dev); 27301da177e4SLinus Torvalds 27311da177e4SLinus Torvalds printk(FORE200E "device %s found at 0x%lx, IRQ %s\n", 27321da177e4SLinus Torvalds fore200e->bus->model_name, 27331da177e4SLinus Torvalds fore200e->phys_base, fore200e_irq_itoa(fore200e->irq)); 27341da177e4SLinus Torvalds 27351da177e4SLinus Torvalds sprintf(fore200e->name, "%s-%d", bus->model_name, index); 27361da177e4SLinus Torvalds 2737d9ca676bSDan Williams err = fore200e_init(fore200e, &pci_dev->dev); 27381da177e4SLinus Torvalds if (err < 0) { 27391da177e4SLinus Torvalds fore200e_shutdown(fore200e); 27401da177e4SLinus Torvalds goto out_free; 27411da177e4SLinus Torvalds } 27421da177e4SLinus Torvalds 27431da177e4SLinus Torvalds ++index; 27441da177e4SLinus Torvalds pci_set_drvdata(pci_dev, fore200e); 27451da177e4SLinus Torvalds 27461da177e4SLinus Torvalds out: 27471da177e4SLinus Torvalds return err; 27481da177e4SLinus Torvalds 27491da177e4SLinus Torvalds out_free: 27501da177e4SLinus Torvalds kfree(fore200e); 27511da177e4SLinus Torvalds out_disable: 27521da177e4SLinus Torvalds pci_disable_device(pci_dev); 27531da177e4SLinus Torvalds goto out; 27541da177e4SLinus Torvalds } 27551da177e4SLinus Torvalds 27561da177e4SLinus Torvalds 27576c44512dSGreg Kroah-Hartman static void fore200e_pca_remove_one(struct pci_dev *pci_dev) 27581da177e4SLinus Torvalds { 27591da177e4SLinus Torvalds struct fore200e *fore200e; 27601da177e4SLinus Torvalds 27611da177e4SLinus Torvalds fore200e = pci_get_drvdata(pci_dev); 27621da177e4SLinus Torvalds 27631da177e4SLinus Torvalds fore200e_shutdown(fore200e); 27641da177e4SLinus Torvalds kfree(fore200e); 27651da177e4SLinus Torvalds pci_disable_device(pci_dev); 27661da177e4SLinus Torvalds } 27671da177e4SLinus Torvalds 27681da177e4SLinus Torvalds 2769d5c5665dSArvind Yadav static const struct pci_device_id fore200e_pca_tbl[] = { 27701da177e4SLinus Torvalds { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID, 27711da177e4SLinus Torvalds 0, 0, (unsigned long) &fore200e_bus[0] }, 27721da177e4SLinus Torvalds { 0, } 27731da177e4SLinus Torvalds }; 27741da177e4SLinus Torvalds 27751da177e4SLinus Torvalds MODULE_DEVICE_TABLE(pci, fore200e_pca_tbl); 27761da177e4SLinus Torvalds 27771da177e4SLinus Torvalds static struct pci_driver fore200e_pca_driver = { 27781da177e4SLinus Torvalds .name = "fore_200e", 27791da177e4SLinus Torvalds .probe = fore200e_pca_detect, 27806c44512dSGreg Kroah-Hartman .remove = fore200e_pca_remove_one, 27811da177e4SLinus Torvalds .id_table = fore200e_pca_tbl, 27821da177e4SLinus Torvalds }; 27831da177e4SLinus Torvalds #endif 27841da177e4SLinus Torvalds 2785826b6cfcSDavid S. Miller static int __init fore200e_module_init(void) 27861da177e4SLinus Torvalds { 278774e8ce34SRickard Strandqvist int err = 0; 27881da177e4SLinus Torvalds 27891da177e4SLinus Torvalds printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n"); 27901da177e4SLinus Torvalds 2791826b6cfcSDavid S. Miller #ifdef CONFIG_SBUS 27921c48a5c9SGrant Likely err = platform_driver_register(&fore200e_sba_driver); 2793826b6cfcSDavid S. Miller if (err) 2794826b6cfcSDavid S. Miller return err; 27951da177e4SLinus Torvalds #endif 27961da177e4SLinus Torvalds 2797826b6cfcSDavid S. Miller #ifdef CONFIG_PCI 2798826b6cfcSDavid S. Miller err = pci_register_driver(&fore200e_pca_driver); 2799826b6cfcSDavid S. Miller #endif 28001da177e4SLinus Torvalds 2801826b6cfcSDavid S. Miller #ifdef CONFIG_SBUS 2802826b6cfcSDavid S. Miller if (err) 28031c48a5c9SGrant Likely platform_driver_unregister(&fore200e_sba_driver); 2804826b6cfcSDavid S. Miller #endif 2805826b6cfcSDavid S. Miller 2806826b6cfcSDavid S. Miller return err; 28071da177e4SLinus Torvalds } 28081da177e4SLinus Torvalds 2809826b6cfcSDavid S. Miller static void __exit fore200e_module_cleanup(void) 28101da177e4SLinus Torvalds { 2811e92481f9SChas Williams #ifdef CONFIG_PCI 28121da177e4SLinus Torvalds pci_unregister_driver(&fore200e_pca_driver); 28131da177e4SLinus Torvalds #endif 2814826b6cfcSDavid S. Miller #ifdef CONFIG_SBUS 28151c48a5c9SGrant Likely platform_driver_unregister(&fore200e_sba_driver); 2816826b6cfcSDavid S. Miller #endif 28171da177e4SLinus Torvalds } 28181da177e4SLinus Torvalds 28191da177e4SLinus Torvalds static int 28201da177e4SLinus Torvalds fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) 28211da177e4SLinus Torvalds { 28221da177e4SLinus Torvalds struct fore200e* fore200e = FORE200E_DEV(dev); 28231da177e4SLinus Torvalds struct fore200e_vcc* fore200e_vcc; 28241da177e4SLinus Torvalds struct atm_vcc* vcc; 28251da177e4SLinus Torvalds int i, len, left = *pos; 28261da177e4SLinus Torvalds unsigned long flags; 28271da177e4SLinus Torvalds 28281da177e4SLinus Torvalds if (!left--) { 28291da177e4SLinus Torvalds 28301da177e4SLinus Torvalds if (fore200e_getstats(fore200e) < 0) 28311da177e4SLinus Torvalds return -EIO; 28321da177e4SLinus Torvalds 28331da177e4SLinus Torvalds len = sprintf(page,"\n" 28341da177e4SLinus Torvalds " device:\n" 28351da177e4SLinus Torvalds " internal name:\t\t%s\n", fore200e->name); 28361da177e4SLinus Torvalds 28371da177e4SLinus Torvalds /* print bus-specific information */ 28381da177e4SLinus Torvalds if (fore200e->bus->proc_read) 28391da177e4SLinus Torvalds len += fore200e->bus->proc_read(fore200e, page + len); 28401da177e4SLinus Torvalds 28411da177e4SLinus Torvalds len += sprintf(page + len, 28421da177e4SLinus Torvalds " interrupt line:\t\t%s\n" 28431da177e4SLinus Torvalds " physical base address:\t0x%p\n" 28441da177e4SLinus Torvalds " virtual base address:\t0x%p\n" 28453008ab36Shartleys " factory address (ESI):\t%pM\n" 28461da177e4SLinus Torvalds " board serial number:\t\t%d\n\n", 28471da177e4SLinus Torvalds fore200e_irq_itoa(fore200e->irq), 28481da177e4SLinus Torvalds (void*)fore200e->phys_base, 28491da177e4SLinus Torvalds fore200e->virt_base, 28503008ab36Shartleys fore200e->esi, 28511da177e4SLinus Torvalds fore200e->esi[4] * 256 + fore200e->esi[5]); 28521da177e4SLinus Torvalds 28531da177e4SLinus Torvalds return len; 28541da177e4SLinus Torvalds } 28551da177e4SLinus Torvalds 28561da177e4SLinus Torvalds if (!left--) 28571da177e4SLinus Torvalds return sprintf(page, 28581da177e4SLinus Torvalds " free small bufs, scheme 1:\t%d\n" 28591da177e4SLinus Torvalds " free large bufs, scheme 1:\t%d\n" 28601da177e4SLinus Torvalds " free small bufs, scheme 2:\t%d\n" 28611da177e4SLinus Torvalds " free large bufs, scheme 2:\t%d\n", 28621da177e4SLinus Torvalds fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_SMALL ].freebuf_count, 28631da177e4SLinus Torvalds fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_LARGE ].freebuf_count, 28641da177e4SLinus Torvalds fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_SMALL ].freebuf_count, 28651da177e4SLinus Torvalds fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_LARGE ].freebuf_count); 28661da177e4SLinus Torvalds 28671da177e4SLinus Torvalds if (!left--) { 28681da177e4SLinus Torvalds u32 hb = fore200e->bus->read(&fore200e->cp_queues->heartbeat); 28691da177e4SLinus Torvalds 28701da177e4SLinus Torvalds len = sprintf(page,"\n\n" 28711da177e4SLinus Torvalds " cell processor:\n" 28721da177e4SLinus Torvalds " heartbeat state:\t\t"); 28731da177e4SLinus Torvalds 28741da177e4SLinus Torvalds if (hb >> 16 != 0xDEAD) 28751da177e4SLinus Torvalds len += sprintf(page + len, "0x%08x\n", hb); 28761da177e4SLinus Torvalds else 28771da177e4SLinus Torvalds len += sprintf(page + len, "*** FATAL ERROR %04x ***\n", hb & 0xFFFF); 28781da177e4SLinus Torvalds 28791da177e4SLinus Torvalds return len; 28801da177e4SLinus Torvalds } 28811da177e4SLinus Torvalds 28821da177e4SLinus Torvalds if (!left--) { 28831da177e4SLinus Torvalds static const char* media_name[] = { 28841da177e4SLinus Torvalds "unshielded twisted pair", 28851da177e4SLinus Torvalds "multimode optical fiber ST", 28861da177e4SLinus Torvalds "multimode optical fiber SC", 28871da177e4SLinus Torvalds "single-mode optical fiber ST", 28881da177e4SLinus Torvalds "single-mode optical fiber SC", 28891da177e4SLinus Torvalds "unknown" 28901da177e4SLinus Torvalds }; 28911da177e4SLinus Torvalds 28921da177e4SLinus Torvalds static const char* oc3_mode[] = { 28931da177e4SLinus Torvalds "normal operation", 28941da177e4SLinus Torvalds "diagnostic loopback", 28951da177e4SLinus Torvalds "line loopback", 28961da177e4SLinus Torvalds "unknown" 28971da177e4SLinus Torvalds }; 28981da177e4SLinus Torvalds 28991da177e4SLinus Torvalds u32 fw_release = fore200e->bus->read(&fore200e->cp_queues->fw_release); 29001da177e4SLinus Torvalds u32 mon960_release = fore200e->bus->read(&fore200e->cp_queues->mon960_release); 29011da177e4SLinus Torvalds u32 oc3_revision = fore200e->bus->read(&fore200e->cp_queues->oc3_revision); 29021da177e4SLinus Torvalds u32 media_index = FORE200E_MEDIA_INDEX(fore200e->bus->read(&fore200e->cp_queues->media_type)); 29031da177e4SLinus Torvalds u32 oc3_index; 29041da177e4SLinus Torvalds 2905e0c5567dSroel kluin if (media_index > 4) 29061da177e4SLinus Torvalds media_index = 5; 29071da177e4SLinus Torvalds 29081da177e4SLinus Torvalds switch (fore200e->loop_mode) { 29091da177e4SLinus Torvalds case ATM_LM_NONE: oc3_index = 0; 29101da177e4SLinus Torvalds break; 29111da177e4SLinus Torvalds case ATM_LM_LOC_PHY: oc3_index = 1; 29121da177e4SLinus Torvalds break; 29131da177e4SLinus Torvalds case ATM_LM_RMT_PHY: oc3_index = 2; 29141da177e4SLinus Torvalds break; 29151da177e4SLinus Torvalds default: oc3_index = 3; 29161da177e4SLinus Torvalds } 29171da177e4SLinus Torvalds 29181da177e4SLinus Torvalds return sprintf(page, 29191da177e4SLinus Torvalds " firmware release:\t\t%d.%d.%d\n" 29201da177e4SLinus Torvalds " monitor release:\t\t%d.%d\n" 29211da177e4SLinus Torvalds " media type:\t\t\t%s\n" 29221da177e4SLinus Torvalds " OC-3 revision:\t\t0x%x\n" 29231da177e4SLinus Torvalds " OC-3 mode:\t\t\t%s", 29241da177e4SLinus Torvalds fw_release >> 16, fw_release << 16 >> 24, fw_release << 24 >> 24, 29251da177e4SLinus Torvalds mon960_release >> 16, mon960_release << 16 >> 16, 29261da177e4SLinus Torvalds media_name[ media_index ], 29271da177e4SLinus Torvalds oc3_revision, 29281da177e4SLinus Torvalds oc3_mode[ oc3_index ]); 29291da177e4SLinus Torvalds } 29301da177e4SLinus Torvalds 29311da177e4SLinus Torvalds if (!left--) { 29321da177e4SLinus Torvalds struct cp_monitor __iomem * cp_monitor = fore200e->cp_monitor; 29331da177e4SLinus Torvalds 29341da177e4SLinus Torvalds return sprintf(page, 29351da177e4SLinus Torvalds "\n\n" 29361da177e4SLinus Torvalds " monitor:\n" 29371da177e4SLinus Torvalds " version number:\t\t%d\n" 29381da177e4SLinus Torvalds " boot status word:\t\t0x%08x\n", 29391da177e4SLinus Torvalds fore200e->bus->read(&cp_monitor->mon_version), 29401da177e4SLinus Torvalds fore200e->bus->read(&cp_monitor->bstat)); 29411da177e4SLinus Torvalds } 29421da177e4SLinus Torvalds 29431da177e4SLinus Torvalds if (!left--) 29441da177e4SLinus Torvalds return sprintf(page, 29451da177e4SLinus Torvalds "\n" 29461da177e4SLinus Torvalds " device statistics:\n" 29471da177e4SLinus Torvalds " 4b5b:\n" 29481da177e4SLinus Torvalds " crc_header_errors:\t\t%10u\n" 29491da177e4SLinus Torvalds " framing_errors:\t\t%10u\n", 295063734a32SAl Viro be32_to_cpu(fore200e->stats->phy.crc_header_errors), 295163734a32SAl Viro be32_to_cpu(fore200e->stats->phy.framing_errors)); 29521da177e4SLinus Torvalds 29531da177e4SLinus Torvalds if (!left--) 29541da177e4SLinus Torvalds return sprintf(page, "\n" 29551da177e4SLinus Torvalds " OC-3:\n" 29561da177e4SLinus Torvalds " section_bip8_errors:\t%10u\n" 29571da177e4SLinus Torvalds " path_bip8_errors:\t\t%10u\n" 29581da177e4SLinus Torvalds " line_bip24_errors:\t\t%10u\n" 29591da177e4SLinus Torvalds " line_febe_errors:\t\t%10u\n" 29601da177e4SLinus Torvalds " path_febe_errors:\t\t%10u\n" 29611da177e4SLinus Torvalds " corr_hcs_errors:\t\t%10u\n" 29621da177e4SLinus Torvalds " ucorr_hcs_errors:\t\t%10u\n", 296363734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.section_bip8_errors), 296463734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.path_bip8_errors), 296563734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.line_bip24_errors), 296663734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.line_febe_errors), 296763734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.path_febe_errors), 296863734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors), 296963734a32SAl Viro be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors)); 29701da177e4SLinus Torvalds 29711da177e4SLinus Torvalds if (!left--) 29721da177e4SLinus Torvalds return sprintf(page,"\n" 29731da177e4SLinus Torvalds " ATM:\t\t\t\t cells\n" 29741da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 29751da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 29761da177e4SLinus Torvalds " vpi out of range:\t\t%10u\n" 29771da177e4SLinus Torvalds " vpi no conn:\t\t%10u\n" 29781da177e4SLinus Torvalds " vci out of range:\t\t%10u\n" 29791da177e4SLinus Torvalds " vci no conn:\t\t%10u\n", 298063734a32SAl Viro be32_to_cpu(fore200e->stats->atm.cells_transmitted), 298163734a32SAl Viro be32_to_cpu(fore200e->stats->atm.cells_received), 298263734a32SAl Viro be32_to_cpu(fore200e->stats->atm.vpi_bad_range), 298363734a32SAl Viro be32_to_cpu(fore200e->stats->atm.vpi_no_conn), 298463734a32SAl Viro be32_to_cpu(fore200e->stats->atm.vci_bad_range), 298563734a32SAl Viro be32_to_cpu(fore200e->stats->atm.vci_no_conn)); 29861da177e4SLinus Torvalds 29871da177e4SLinus Torvalds if (!left--) 29881da177e4SLinus Torvalds return sprintf(page,"\n" 29891da177e4SLinus Torvalds " AAL0:\t\t\t cells\n" 29901da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 29911da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 29921da177e4SLinus Torvalds " dropped:\t\t\t%10u\n", 299363734a32SAl Viro be32_to_cpu(fore200e->stats->aal0.cells_transmitted), 299463734a32SAl Viro be32_to_cpu(fore200e->stats->aal0.cells_received), 299563734a32SAl Viro be32_to_cpu(fore200e->stats->aal0.cells_dropped)); 29961da177e4SLinus Torvalds 29971da177e4SLinus Torvalds if (!left--) 29981da177e4SLinus Torvalds return sprintf(page,"\n" 29991da177e4SLinus Torvalds " AAL3/4:\n" 30001da177e4SLinus Torvalds " SAR sublayer:\t\t cells\n" 30011da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 30021da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 30031da177e4SLinus Torvalds " dropped:\t\t\t%10u\n" 30041da177e4SLinus Torvalds " CRC errors:\t\t%10u\n" 30051da177e4SLinus Torvalds " protocol errors:\t\t%10u\n\n" 30061da177e4SLinus Torvalds " CS sublayer:\t\t PDUs\n" 30071da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 30081da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 30091da177e4SLinus Torvalds " dropped:\t\t\t%10u\n" 30101da177e4SLinus Torvalds " protocol errors:\t\t%10u\n", 301163734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_transmitted), 301263734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_received), 301363734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_dropped), 301463734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_crc_errors), 301563734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cells_protocol_errors), 301663734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cspdus_transmitted), 301763734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cspdus_received), 301863734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cspdus_dropped), 301963734a32SAl Viro be32_to_cpu(fore200e->stats->aal34.cspdus_protocol_errors)); 30201da177e4SLinus Torvalds 30211da177e4SLinus Torvalds if (!left--) 30221da177e4SLinus Torvalds return sprintf(page,"\n" 30231da177e4SLinus Torvalds " AAL5:\n" 30241da177e4SLinus Torvalds " SAR sublayer:\t\t cells\n" 30251da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 30261da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 30271da177e4SLinus Torvalds " dropped:\t\t\t%10u\n" 30281da177e4SLinus Torvalds " congestions:\t\t%10u\n\n" 30291da177e4SLinus Torvalds " CS sublayer:\t\t PDUs\n" 30301da177e4SLinus Torvalds " TX:\t\t\t%10u\n" 30311da177e4SLinus Torvalds " RX:\t\t\t%10u\n" 30321da177e4SLinus Torvalds " dropped:\t\t\t%10u\n" 30331da177e4SLinus Torvalds " CRC errors:\t\t%10u\n" 30341da177e4SLinus Torvalds " protocol errors:\t\t%10u\n", 303563734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cells_transmitted), 303663734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cells_received), 303763734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cells_dropped), 303863734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.congestion_experienced), 303963734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cspdus_transmitted), 304063734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cspdus_received), 304163734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cspdus_dropped), 304263734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cspdus_crc_errors), 304363734a32SAl Viro be32_to_cpu(fore200e->stats->aal5.cspdus_protocol_errors)); 30441da177e4SLinus Torvalds 30451da177e4SLinus Torvalds if (!left--) 30461da177e4SLinus Torvalds return sprintf(page,"\n" 30471da177e4SLinus Torvalds " AUX:\t\t allocation failures\n" 30481da177e4SLinus Torvalds " small b1:\t\t\t%10u\n" 30491da177e4SLinus Torvalds " large b1:\t\t\t%10u\n" 30501da177e4SLinus Torvalds " small b2:\t\t\t%10u\n" 30511da177e4SLinus Torvalds " large b2:\t\t\t%10u\n" 30521da177e4SLinus Torvalds " RX PDUs:\t\t\t%10u\n" 30531da177e4SLinus Torvalds " TX PDUs:\t\t\t%10lu\n", 305463734a32SAl Viro be32_to_cpu(fore200e->stats->aux.small_b1_failed), 305563734a32SAl Viro be32_to_cpu(fore200e->stats->aux.large_b1_failed), 305663734a32SAl Viro be32_to_cpu(fore200e->stats->aux.small_b2_failed), 305763734a32SAl Viro be32_to_cpu(fore200e->stats->aux.large_b2_failed), 305863734a32SAl Viro be32_to_cpu(fore200e->stats->aux.rpd_alloc_failed), 30591da177e4SLinus Torvalds fore200e->tx_sat); 30601da177e4SLinus Torvalds 30611da177e4SLinus Torvalds if (!left--) 30621da177e4SLinus Torvalds return sprintf(page,"\n" 30631da177e4SLinus Torvalds " receive carrier:\t\t\t%s\n", 30641da177e4SLinus Torvalds fore200e->stats->aux.receive_carrier ? "ON" : "OFF!"); 30651da177e4SLinus Torvalds 30661da177e4SLinus Torvalds if (!left--) { 30671da177e4SLinus Torvalds return sprintf(page,"\n" 30681da177e4SLinus Torvalds " VCCs:\n address VPI VCI AAL " 30691da177e4SLinus Torvalds "TX PDUs TX min/max size RX PDUs RX min/max size\n"); 30701da177e4SLinus Torvalds } 30711da177e4SLinus Torvalds 30721da177e4SLinus Torvalds for (i = 0; i < NBR_CONNECT; i++) { 30731da177e4SLinus Torvalds 30741da177e4SLinus Torvalds vcc = fore200e->vc_map[i].vcc; 30751da177e4SLinus Torvalds 30761da177e4SLinus Torvalds if (vcc == NULL) 30771da177e4SLinus Torvalds continue; 30781da177e4SLinus Torvalds 30791da177e4SLinus Torvalds spin_lock_irqsave(&fore200e->q_lock, flags); 30801da177e4SLinus Torvalds 30811da177e4SLinus Torvalds if (vcc && test_bit(ATM_VF_READY, &vcc->flags) && !left--) { 30821da177e4SLinus Torvalds 30831da177e4SLinus Torvalds fore200e_vcc = FORE200E_VCC(vcc); 30841da177e4SLinus Torvalds ASSERT(fore200e_vcc); 30851da177e4SLinus Torvalds 30861da177e4SLinus Torvalds len = sprintf(page, 308722dac9f1SColin Ian King " %pK %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", 308822dac9f1SColin Ian King vcc, 30891da177e4SLinus Torvalds vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), 30901da177e4SLinus Torvalds fore200e_vcc->tx_pdu, 30911da177e4SLinus Torvalds fore200e_vcc->tx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->tx_min_pdu, 30921da177e4SLinus Torvalds fore200e_vcc->tx_max_pdu, 30931da177e4SLinus Torvalds fore200e_vcc->rx_pdu, 30941da177e4SLinus Torvalds fore200e_vcc->rx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->rx_min_pdu, 30951da177e4SLinus Torvalds fore200e_vcc->rx_max_pdu); 30961da177e4SLinus Torvalds 30971da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 30981da177e4SLinus Torvalds return len; 30991da177e4SLinus Torvalds } 31001da177e4SLinus Torvalds 31011da177e4SLinus Torvalds spin_unlock_irqrestore(&fore200e->q_lock, flags); 31021da177e4SLinus Torvalds } 31031da177e4SLinus Torvalds 31041da177e4SLinus Torvalds return 0; 31051da177e4SLinus Torvalds } 31061da177e4SLinus Torvalds 31071da177e4SLinus Torvalds module_init(fore200e_module_init); 31081da177e4SLinus Torvalds module_exit(fore200e_module_cleanup); 31091da177e4SLinus Torvalds 31101da177e4SLinus Torvalds 31111da177e4SLinus Torvalds static const struct atmdev_ops fore200e_ops = 31121da177e4SLinus Torvalds { 31131da177e4SLinus Torvalds .open = fore200e_open, 31141da177e4SLinus Torvalds .close = fore200e_close, 31151da177e4SLinus Torvalds .ioctl = fore200e_ioctl, 31161da177e4SLinus Torvalds .getsockopt = fore200e_getsockopt, 31171da177e4SLinus Torvalds .setsockopt = fore200e_setsockopt, 31181da177e4SLinus Torvalds .send = fore200e_send, 31191da177e4SLinus Torvalds .change_qos = fore200e_change_qos, 31201da177e4SLinus Torvalds .proc_read = fore200e_proc_read, 31211da177e4SLinus Torvalds .owner = THIS_MODULE 31221da177e4SLinus Torvalds }; 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvalds static const struct fore200e_bus fore200e_bus[] = { 3126e92481f9SChas Williams #ifdef CONFIG_PCI 31271da177e4SLinus Torvalds { "PCA-200E", "pca200e", 32, 4, 32, 31281da177e4SLinus Torvalds fore200e_pca_read, 31291da177e4SLinus Torvalds fore200e_pca_write, 31301da177e4SLinus Torvalds fore200e_pca_dma_map, 31311da177e4SLinus Torvalds fore200e_pca_dma_unmap, 31321da177e4SLinus Torvalds fore200e_pca_dma_sync_for_cpu, 31331da177e4SLinus Torvalds fore200e_pca_dma_sync_for_device, 31341da177e4SLinus Torvalds fore200e_pca_dma_chunk_alloc, 31351da177e4SLinus Torvalds fore200e_pca_dma_chunk_free, 31361da177e4SLinus Torvalds fore200e_pca_configure, 31371da177e4SLinus Torvalds fore200e_pca_map, 31381da177e4SLinus Torvalds fore200e_pca_reset, 31391da177e4SLinus Torvalds fore200e_pca_prom_read, 31401da177e4SLinus Torvalds fore200e_pca_unmap, 31411da177e4SLinus Torvalds NULL, 31421da177e4SLinus Torvalds fore200e_pca_irq_check, 31431da177e4SLinus Torvalds fore200e_pca_irq_ack, 31441da177e4SLinus Torvalds fore200e_pca_proc_read, 31451da177e4SLinus Torvalds }, 31461da177e4SLinus Torvalds #endif 3147e92481f9SChas Williams #ifdef CONFIG_SBUS 31481da177e4SLinus Torvalds { "SBA-200E", "sba200e", 32, 64, 32, 31491da177e4SLinus Torvalds fore200e_sba_read, 31501da177e4SLinus Torvalds fore200e_sba_write, 31511da177e4SLinus Torvalds fore200e_sba_dma_map, 31521da177e4SLinus Torvalds fore200e_sba_dma_unmap, 31531da177e4SLinus Torvalds fore200e_sba_dma_sync_for_cpu, 31541da177e4SLinus Torvalds fore200e_sba_dma_sync_for_device, 31551da177e4SLinus Torvalds fore200e_sba_dma_chunk_alloc, 31561da177e4SLinus Torvalds fore200e_sba_dma_chunk_free, 31571da177e4SLinus Torvalds fore200e_sba_configure, 31581da177e4SLinus Torvalds fore200e_sba_map, 31591da177e4SLinus Torvalds fore200e_sba_reset, 31601da177e4SLinus Torvalds fore200e_sba_prom_read, 31611da177e4SLinus Torvalds fore200e_sba_unmap, 31621da177e4SLinus Torvalds fore200e_sba_irq_enable, 31631da177e4SLinus Torvalds fore200e_sba_irq_check, 31641da177e4SLinus Torvalds fore200e_sba_irq_ack, 31651da177e4SLinus Torvalds fore200e_sba_proc_read, 31661da177e4SLinus Torvalds }, 31671da177e4SLinus Torvalds #endif 31681da177e4SLinus Torvalds {} 31691da177e4SLinus Torvalds }; 31701da177e4SLinus Torvalds 31711da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 31726f75a9b6SChas Williams #ifdef CONFIG_PCI 31736f75a9b6SChas Williams #ifdef __LITTLE_ENDIAN__ 31746f75a9b6SChas Williams MODULE_FIRMWARE("pca200e.bin"); 31756f75a9b6SChas Williams #else 31766f75a9b6SChas Williams MODULE_FIRMWARE("pca200e_ecd.bin2"); 31776f75a9b6SChas Williams #endif 31786f75a9b6SChas Williams #endif /* CONFIG_PCI */ 31796f75a9b6SChas Williams #ifdef CONFIG_SBUS 31806f75a9b6SChas Williams MODULE_FIRMWARE("sba200e_ecd.bin2"); 31811da177e4SLinus Torvalds #endif 3182