1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2098fde11Schas williams - CONTRACTOR /* 31da177e4SLinus Torvalds * nicstar.h 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Header file for the nicstar device driver. 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * Author: Rui Prior (rprior@inescn.pt) 81da177e4SLinus Torvalds * PowerPC support by Jay Talbott (jay_talbott@mcg.mot.com) April 1999 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * (C) INESC 1998 11098fde11Schas williams - CONTRACTOR */ 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #ifndef _LINUX_NICSTAR_H_ 141da177e4SLinus Torvalds #define _LINUX_NICSTAR_H_ 151da177e4SLinus Torvalds 16098fde11Schas williams - CONTRACTOR /* Includes */ 171da177e4SLinus Torvalds 181da177e4SLinus Torvalds #include <linux/types.h> 191da177e4SLinus Torvalds #include <linux/pci.h> 20864a3ff6Schas williams - CONTRACTOR #include <linux/idr.h> 211da177e4SLinus Torvalds #include <linux/uio.h> 221da177e4SLinus Torvalds #include <linux/skbuff.h> 231da177e4SLinus Torvalds #include <linux/atmdev.h> 241da177e4SLinus Torvalds #include <linux/atm_nicstar.h> 251da177e4SLinus Torvalds 26098fde11Schas williams - CONTRACTOR /* Options */ 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define NS_MAX_CARDS 4 /* Maximum number of NICStAR based cards 291da177e4SLinus Torvalds controlled by the device driver. Must 301da177e4SLinus Torvalds be <= 5 */ 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds #undef RCQ_SUPPORT /* Do not define this for now */ 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds #define NS_TST_NUM_ENTRIES 2340 /* + 1 for return */ 351da177e4SLinus Torvalds #define NS_TST_RESERVED 340 /* N. entries reserved for UBR/ABR/VBR */ 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds #define NS_SMBUFSIZE 48 /* 48, 96, 240 or 2048 */ 381da177e4SLinus Torvalds #define NS_LGBUFSIZE 16384 /* 2048, 4096, 8192 or 16384 */ 391da177e4SLinus Torvalds #define NS_RSQSIZE 8192 /* 2048, 4096 or 8192 */ 401da177e4SLinus Torvalds #define NS_VPIBITS 2 /* 0, 1, 2, or 8 */ 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds #define NS_MAX_RCTSIZE 4096 /* Number of entries. 4096 or 16384. 431da177e4SLinus Torvalds Define 4096 only if (all) your card(s) 441da177e4SLinus Torvalds have 32K x 32bit SRAM, in which case 451da177e4SLinus Torvalds setting this to 16384 will just waste a 461da177e4SLinus Torvalds lot of memory. 471da177e4SLinus Torvalds Setting this to 4096 for a card with 481da177e4SLinus Torvalds 128K x 32bit SRAM will limit the maximum 491da177e4SLinus Torvalds VCI. */ 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds /*#define NS_PCI_LATENCY 64*//* Must be a multiple of 32 */ 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds /* Number of buffers initially allocated */ 541da177e4SLinus Torvalds #define NUM_SB 32 /* Must be even */ 551da177e4SLinus Torvalds #define NUM_LB 24 /* Must be even */ 561da177e4SLinus Torvalds #define NUM_HB 8 /* Pre-allocated huge buffers */ 571da177e4SLinus Torvalds #define NUM_IOVB 48 /* Iovec buffers */ 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds /* Lower level for count of buffers */ 601da177e4SLinus Torvalds #define MIN_SB 8 /* Must be even */ 611da177e4SLinus Torvalds #define MIN_LB 8 /* Must be even */ 621da177e4SLinus Torvalds #define MIN_HB 6 631da177e4SLinus Torvalds #define MIN_IOVB 8 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds /* Upper level for count of buffers */ 661da177e4SLinus Torvalds #define MAX_SB 64 /* Must be even, <= 508 */ 671da177e4SLinus Torvalds #define MAX_LB 48 /* Must be even, <= 508 */ 681da177e4SLinus Torvalds #define MAX_HB 10 691da177e4SLinus Torvalds #define MAX_IOVB 80 701da177e4SLinus Torvalds 711da177e4SLinus Torvalds /* These are the absolute maximum allowed for the ioctl() */ 721da177e4SLinus Torvalds #define TOP_SB 256 /* Must be even, <= 508 */ 731da177e4SLinus Torvalds #define TOP_LB 128 /* Must be even, <= 508 */ 741da177e4SLinus Torvalds #define TOP_HB 64 751da177e4SLinus Torvalds #define TOP_IOVB 256 761da177e4SLinus Torvalds 771da177e4SLinus Torvalds #define MAX_TBD_PER_VC 1 /* Number of TBDs before a TSR */ 781da177e4SLinus Torvalds #define MAX_TBD_PER_SCQ 10 /* Only meaningful for variable rate SCQs */ 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds #undef ENABLE_TSQFIE 811da177e4SLinus Torvalds 821da177e4SLinus Torvalds #define SCQFULL_TIMEOUT (5 * HZ) 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds #define NS_POLL_PERIOD (HZ) 851da177e4SLinus Torvalds 861da177e4SLinus Torvalds #define PCR_TOLERANCE (1.0001) 871da177e4SLinus Torvalds 88098fde11Schas williams - CONTRACTOR /* ESI stuff */ 891da177e4SLinus Torvalds 901da177e4SLinus Torvalds #define NICSTAR_EPROM_MAC_ADDR_OFFSET 0x6C 911da177e4SLinus Torvalds #define NICSTAR_EPROM_MAC_ADDR_OFFSET_ALT 0xF6 921da177e4SLinus Torvalds 93098fde11Schas williams - CONTRACTOR /* #defines */ 941da177e4SLinus Torvalds 951da177e4SLinus Torvalds #define NS_IOREMAP_SIZE 4096 961da177e4SLinus Torvalds 978728b834SDavid S. Miller /* 988728b834SDavid S. Miller * BUF_XX distinguish the Rx buffers depending on their (small/large) size. 998728b834SDavid S. Miller * BUG_SM and BUG_LG are both used by the driver and the device. 1008728b834SDavid S. Miller * BUF_NONE is only used by the driver. 1018728b834SDavid S. Miller */ 1021da177e4SLinus Torvalds #define BUF_SM 0x00000000 /* These two are used for push_rxbufs() */ 1031da177e4SLinus Torvalds #define BUF_LG 0x00000001 /* CMD, Write_FreeBufQ, LBUF bit */ 1048728b834SDavid S. Miller #define BUF_NONE 0xffffffff /* Software only: */ 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds #define NS_HBUFSIZE 65568 /* Size of max. AAL5 PDU */ 1071da177e4SLinus Torvalds #define NS_MAX_IOVECS (2 + (65568 - NS_SMBUFSIZE) / \ 1081da177e4SLinus Torvalds (NS_LGBUFSIZE - (NS_LGBUFSIZE % 48))) 1091da177e4SLinus Torvalds #define NS_IOVBUFSIZE (NS_MAX_IOVECS * (sizeof(struct iovec))) 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds #define NS_SMBUFSIZE_USABLE (NS_SMBUFSIZE - NS_SMBUFSIZE % 48) 1121da177e4SLinus Torvalds #define NS_LGBUFSIZE_USABLE (NS_LGBUFSIZE - NS_LGBUFSIZE % 48) 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds #define NS_AAL0_HEADER (ATM_AAL0_SDU - ATM_CELL_PAYLOAD) /* 4 bytes */ 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvalds #define NS_SMSKBSIZE (NS_SMBUFSIZE + NS_AAL0_HEADER) 1171da177e4SLinus Torvalds #define NS_LGSKBSIZE (NS_SMBUFSIZE + NS_LGBUFSIZE) 1181da177e4SLinus Torvalds 119098fde11Schas williams - CONTRACTOR /* NICStAR structures located in host memory */ 1201da177e4SLinus Torvalds 121098fde11Schas williams - CONTRACTOR /* 122098fde11Schas williams - CONTRACTOR * RSQ - Receive Status Queue 1231da177e4SLinus Torvalds * 1241da177e4SLinus Torvalds * Written by the NICStAR, read by the device driver. 1251da177e4SLinus Torvalds */ 1261da177e4SLinus Torvalds 127098fde11Schas williams - CONTRACTOR typedef struct ns_rsqe { 1281da177e4SLinus Torvalds u32 word_1; 1291da177e4SLinus Torvalds u32 buffer_handle; 1301da177e4SLinus Torvalds u32 final_aal5_crc32; 1311da177e4SLinus Torvalds u32 word_4; 1321da177e4SLinus Torvalds } ns_rsqe; 1331da177e4SLinus Torvalds 1341da177e4SLinus Torvalds #define ns_rsqe_vpi(ns_rsqep) \ 1351da177e4SLinus Torvalds ((le32_to_cpu((ns_rsqep)->word_1) & 0x00FF0000) >> 16) 1361da177e4SLinus Torvalds #define ns_rsqe_vci(ns_rsqep) \ 1371da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_1) & 0x0000FFFF) 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds #define NS_RSQE_VALID 0x80000000 1401da177e4SLinus Torvalds #define NS_RSQE_NZGFC 0x00004000 1411da177e4SLinus Torvalds #define NS_RSQE_EOPDU 0x00002000 1421da177e4SLinus Torvalds #define NS_RSQE_BUFSIZE 0x00001000 1431da177e4SLinus Torvalds #define NS_RSQE_CONGESTION 0x00000800 1441da177e4SLinus Torvalds #define NS_RSQE_CLP 0x00000400 1451da177e4SLinus Torvalds #define NS_RSQE_CRCERR 0x00000200 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds #define NS_RSQE_BUFSIZE_SM 0x00000000 1481da177e4SLinus Torvalds #define NS_RSQE_BUFSIZE_LG 0x00001000 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds #define ns_rsqe_valid(ns_rsqep) \ 1511da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_VALID) 1521da177e4SLinus Torvalds #define ns_rsqe_nzgfc(ns_rsqep) \ 1531da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_NZGFC) 1541da177e4SLinus Torvalds #define ns_rsqe_eopdu(ns_rsqep) \ 1551da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_EOPDU) 1561da177e4SLinus Torvalds #define ns_rsqe_bufsize(ns_rsqep) \ 1571da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_BUFSIZE) 1581da177e4SLinus Torvalds #define ns_rsqe_congestion(ns_rsqep) \ 1591da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CONGESTION) 1601da177e4SLinus Torvalds #define ns_rsqe_clp(ns_rsqep) \ 1611da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CLP) 1621da177e4SLinus Torvalds #define ns_rsqe_crcerr(ns_rsqep) \ 1631da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & NS_RSQE_CRCERR) 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds #define ns_rsqe_cellcount(ns_rsqep) \ 1661da177e4SLinus Torvalds (le32_to_cpu((ns_rsqep)->word_4) & 0x000001FF) 1671da177e4SLinus Torvalds #define ns_rsqe_init(ns_rsqep) \ 1681da177e4SLinus Torvalds ((ns_rsqep)->word_4 = cpu_to_le32(0x00000000)) 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvalds #define NS_RSQ_NUM_ENTRIES (NS_RSQSIZE / 16) 1711da177e4SLinus Torvalds #define NS_RSQ_ALIGNMENT NS_RSQSIZE 1721da177e4SLinus Torvalds 173098fde11Schas williams - CONTRACTOR /* 174098fde11Schas williams - CONTRACTOR * RCQ - Raw Cell Queue 1751da177e4SLinus Torvalds * 1761da177e4SLinus Torvalds * Written by the NICStAR, read by the device driver. 1771da177e4SLinus Torvalds */ 1781da177e4SLinus Torvalds 179098fde11Schas williams - CONTRACTOR typedef struct cell_payload { 1801da177e4SLinus Torvalds u32 word[12]; 1811da177e4SLinus Torvalds } cell_payload; 1821da177e4SLinus Torvalds 183098fde11Schas williams - CONTRACTOR typedef struct ns_rcqe { 1841da177e4SLinus Torvalds u32 word_1; 1851da177e4SLinus Torvalds u32 word_2; 1861da177e4SLinus Torvalds u32 word_3; 1871da177e4SLinus Torvalds u32 word_4; 1881da177e4SLinus Torvalds cell_payload payload; 1891da177e4SLinus Torvalds } ns_rcqe; 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds #define NS_RCQE_SIZE 64 /* bytes */ 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds #define ns_rcqe_islast(ns_rcqep) \ 1941da177e4SLinus Torvalds (le32_to_cpu((ns_rcqep)->word_2) != 0x00000000) 1951da177e4SLinus Torvalds #define ns_rcqe_cellheader(ns_rcqep) \ 1961da177e4SLinus Torvalds (le32_to_cpu((ns_rcqep)->word_1)) 1971da177e4SLinus Torvalds #define ns_rcqe_nextbufhandle(ns_rcqep) \ 1981da177e4SLinus Torvalds (le32_to_cpu((ns_rcqep)->word_2)) 1991da177e4SLinus Torvalds 200098fde11Schas williams - CONTRACTOR /* 201098fde11Schas williams - CONTRACTOR * SCQ - Segmentation Channel Queue 2021da177e4SLinus Torvalds * 2031da177e4SLinus Torvalds * Written by the device driver, read by the NICStAR. 2041da177e4SLinus Torvalds */ 2051da177e4SLinus Torvalds 206098fde11Schas williams - CONTRACTOR typedef struct ns_scqe { 2071da177e4SLinus Torvalds u32 word_1; 2081da177e4SLinus Torvalds u32 word_2; 2091da177e4SLinus Torvalds u32 word_3; 2101da177e4SLinus Torvalds u32 word_4; 2111da177e4SLinus Torvalds } ns_scqe; 2121da177e4SLinus Torvalds 2131da177e4SLinus Torvalds /* NOTE: SCQ entries can be either a TBD (Transmit Buffer Descriptors) 2141da177e4SLinus Torvalds or TSR (Transmit Status Requests) */ 2151da177e4SLinus Torvalds 2161da177e4SLinus Torvalds #define NS_SCQE_TYPE_TBD 0x00000000 2171da177e4SLinus Torvalds #define NS_SCQE_TYPE_TSR 0x80000000 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds #define NS_TBD_EOPDU 0x40000000 2201da177e4SLinus Torvalds #define NS_TBD_AAL0 0x00000000 2211da177e4SLinus Torvalds #define NS_TBD_AAL34 0x04000000 2221da177e4SLinus Torvalds #define NS_TBD_AAL5 0x08000000 2231da177e4SLinus Torvalds 2241da177e4SLinus Torvalds #define NS_TBD_VPI_MASK 0x0FF00000 2251da177e4SLinus Torvalds #define NS_TBD_VCI_MASK 0x000FFFF0 2261da177e4SLinus Torvalds #define NS_TBD_VC_MASK (NS_TBD_VPI_MASK | NS_TBD_VCI_MASK) 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds #define NS_TBD_VPI_SHIFT 20 2291da177e4SLinus Torvalds #define NS_TBD_VCI_SHIFT 4 2301da177e4SLinus Torvalds 2311da177e4SLinus Torvalds #define ns_tbd_mkword_1(flags, m, n, buflen) \ 2321da177e4SLinus Torvalds (cpu_to_le32((flags) | (m) << 23 | (n) << 16 | (buflen))) 2331da177e4SLinus Torvalds #define ns_tbd_mkword_1_novbr(flags, buflen) \ 2341da177e4SLinus Torvalds (cpu_to_le32((flags) | (buflen) | 0x00810000)) 2351da177e4SLinus Torvalds #define ns_tbd_mkword_3(control, pdulen) \ 2361da177e4SLinus Torvalds (cpu_to_le32((control) << 16 | (pdulen))) 2371da177e4SLinus Torvalds #define ns_tbd_mkword_4(gfc, vpi, vci, pt, clp) \ 2381da177e4SLinus Torvalds (cpu_to_le32((gfc) << 28 | (vpi) << 20 | (vci) << 4 | (pt) << 1 | (clp))) 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds #define NS_TSR_INTENABLE 0x20000000 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvalds #define NS_TSR_SCDISVBR 0xFFFF /* Use as scdi for VBR SCD */ 2431da177e4SLinus Torvalds 2441da177e4SLinus Torvalds #define ns_tsr_mkword_1(flags) \ 2451da177e4SLinus Torvalds (cpu_to_le32(NS_SCQE_TYPE_TSR | (flags))) 2461da177e4SLinus Torvalds #define ns_tsr_mkword_2(scdi, scqi) \ 2471da177e4SLinus Torvalds (cpu_to_le32((scdi) << 16 | 0x00008000 | (scqi))) 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds #define ns_scqe_is_tsr(ns_scqep) \ 2501da177e4SLinus Torvalds (le32_to_cpu((ns_scqep)->word_1) & NS_SCQE_TYPE_TSR) 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvalds #define VBR_SCQ_NUM_ENTRIES 512 2531da177e4SLinus Torvalds #define VBR_SCQSIZE 8192 2541da177e4SLinus Torvalds #define CBR_SCQ_NUM_ENTRIES 64 2551da177e4SLinus Torvalds #define CBR_SCQSIZE 1024 2561da177e4SLinus Torvalds 2571da177e4SLinus Torvalds #define NS_SCQE_SIZE 16 2581da177e4SLinus Torvalds 259098fde11Schas williams - CONTRACTOR /* 260098fde11Schas williams - CONTRACTOR * TSQ - Transmit Status Queue 2611da177e4SLinus Torvalds * 2621da177e4SLinus Torvalds * Written by the NICStAR, read by the device driver. 2631da177e4SLinus Torvalds */ 2641da177e4SLinus Torvalds 265098fde11Schas williams - CONTRACTOR typedef struct ns_tsi { 2661da177e4SLinus Torvalds u32 word_1; 2671da177e4SLinus Torvalds u32 word_2; 2681da177e4SLinus Torvalds } ns_tsi; 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds /* NOTE: The first word can be a status word copied from the TSR which 2711da177e4SLinus Torvalds originated the TSI, or a timer overflow indicator. In this last 2721da177e4SLinus Torvalds case, the value of the first word is all zeroes. */ 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvalds #define NS_TSI_EMPTY 0x80000000 2751da177e4SLinus Torvalds #define NS_TSI_TIMESTAMP_MASK 0x00FFFFFF 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds #define ns_tsi_isempty(ns_tsip) \ 2781da177e4SLinus Torvalds (le32_to_cpu((ns_tsip)->word_2) & NS_TSI_EMPTY) 2791da177e4SLinus Torvalds #define ns_tsi_gettimestamp(ns_tsip) \ 2801da177e4SLinus Torvalds (le32_to_cpu((ns_tsip)->word_2) & NS_TSI_TIMESTAMP_MASK) 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds #define ns_tsi_init(ns_tsip) \ 2831da177e4SLinus Torvalds ((ns_tsip)->word_2 = cpu_to_le32(NS_TSI_EMPTY)) 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds #define NS_TSQSIZE 8192 2861da177e4SLinus Torvalds #define NS_TSQ_NUM_ENTRIES 1024 2871da177e4SLinus Torvalds #define NS_TSQ_ALIGNMENT 8192 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds #define NS_TSI_SCDISVBR NS_TSR_SCDISVBR 2901da177e4SLinus Torvalds 2911da177e4SLinus Torvalds #define ns_tsi_tmrof(ns_tsip) \ 2921da177e4SLinus Torvalds (le32_to_cpu((ns_tsip)->word_1) == 0x00000000) 2931da177e4SLinus Torvalds #define ns_tsi_getscdindex(ns_tsip) \ 2941da177e4SLinus Torvalds ((le32_to_cpu((ns_tsip)->word_1) & 0xFFFF0000) >> 16) 2951da177e4SLinus Torvalds #define ns_tsi_getscqpos(ns_tsip) \ 2961da177e4SLinus Torvalds (le32_to_cpu((ns_tsip)->word_1) & 0x00007FFF) 2971da177e4SLinus Torvalds 298098fde11Schas williams - CONTRACTOR /* NICStAR structures located in local SRAM */ 2991da177e4SLinus Torvalds 300098fde11Schas williams - CONTRACTOR /* 301098fde11Schas williams - CONTRACTOR * RCT - Receive Connection Table 3021da177e4SLinus Torvalds * 3031da177e4SLinus Torvalds * Written by both the NICStAR and the device driver. 3041da177e4SLinus Torvalds */ 3051da177e4SLinus Torvalds 306098fde11Schas williams - CONTRACTOR typedef struct ns_rcte { 3071da177e4SLinus Torvalds u32 word_1; 3081da177e4SLinus Torvalds u32 buffer_handle; 3091da177e4SLinus Torvalds u32 dma_address; 3101da177e4SLinus Torvalds u32 aal5_crc32; 3111da177e4SLinus Torvalds } ns_rcte; 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvalds #define NS_RCTE_BSFB 0x00200000 /* Rev. D only */ 3141da177e4SLinus Torvalds #define NS_RCTE_NZGFC 0x00100000 3151da177e4SLinus Torvalds #define NS_RCTE_CONNECTOPEN 0x00080000 3161da177e4SLinus Torvalds #define NS_RCTE_AALMASK 0x00070000 3171da177e4SLinus Torvalds #define NS_RCTE_AAL0 0x00000000 3181da177e4SLinus Torvalds #define NS_RCTE_AAL34 0x00010000 3191da177e4SLinus Torvalds #define NS_RCTE_AAL5 0x00020000 3201da177e4SLinus Torvalds #define NS_RCTE_RCQ 0x00030000 3211da177e4SLinus Torvalds #define NS_RCTE_RAWCELLINTEN 0x00008000 3221da177e4SLinus Torvalds #define NS_RCTE_RXCONSTCELLADDR 0x00004000 3231da177e4SLinus Torvalds #define NS_RCTE_BUFFVALID 0x00002000 3241da177e4SLinus Torvalds #define NS_RCTE_FBDSIZE 0x00001000 3251da177e4SLinus Torvalds #define NS_RCTE_EFCI 0x00000800 3261da177e4SLinus Torvalds #define NS_RCTE_CLP 0x00000400 3271da177e4SLinus Torvalds #define NS_RCTE_CRCERROR 0x00000200 3281da177e4SLinus Torvalds #define NS_RCTE_CELLCOUNT_MASK 0x000001FF 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds #define NS_RCTE_FBDSIZE_SM 0x00000000 3311da177e4SLinus Torvalds #define NS_RCTE_FBDSIZE_LG 0x00001000 3321da177e4SLinus Torvalds 3331da177e4SLinus Torvalds #define NS_RCT_ENTRY_SIZE 4 /* Number of dwords */ 3341da177e4SLinus Torvalds 3351da177e4SLinus Torvalds /* NOTE: We could make macros to contruct the first word of the RCTE, 3361da177e4SLinus Torvalds but that doesn't seem to make much sense... */ 3371da177e4SLinus Torvalds 338098fde11Schas williams - CONTRACTOR /* 339098fde11Schas williams - CONTRACTOR * FBD - Free Buffer Descriptor 3401da177e4SLinus Torvalds * 3411da177e4SLinus Torvalds * Written by the device driver using via the command register. 3421da177e4SLinus Torvalds */ 3431da177e4SLinus Torvalds 344098fde11Schas williams - CONTRACTOR typedef struct ns_fbd { 3451da177e4SLinus Torvalds u32 buffer_handle; 3461da177e4SLinus Torvalds u32 dma_address; 3471da177e4SLinus Torvalds } ns_fbd; 3481da177e4SLinus Torvalds 349098fde11Schas williams - CONTRACTOR /* 350098fde11Schas williams - CONTRACTOR * TST - Transmit Schedule Table 3511da177e4SLinus Torvalds * 3521da177e4SLinus Torvalds * Written by the device driver. 3531da177e4SLinus Torvalds */ 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds typedef u32 ns_tste; 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds #define NS_TST_OPCODE_MASK 0x60000000 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds #define NS_TST_OPCODE_NULL 0x00000000 /* Insert null cell */ 3601da177e4SLinus Torvalds #define NS_TST_OPCODE_FIXED 0x20000000 /* Cell from a fixed rate channel */ 3611da177e4SLinus Torvalds #define NS_TST_OPCODE_VARIABLE 0x40000000 3621da177e4SLinus Torvalds #define NS_TST_OPCODE_END 0x60000000 /* Jump */ 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvalds #define ns_tste_make(opcode, sramad) (opcode | sramad) 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvalds /* NOTE: 3671da177e4SLinus Torvalds 3681da177e4SLinus Torvalds - When the opcode is FIXED, sramad specifies the SRAM address of the 3691da177e4SLinus Torvalds SCD for that fixed rate channel. 3701da177e4SLinus Torvalds - When the opcode is END, sramad specifies the SRAM address of the 3711da177e4SLinus Torvalds location of the next TST entry to read. 3721da177e4SLinus Torvalds */ 3731da177e4SLinus Torvalds 374098fde11Schas williams - CONTRACTOR /* 375098fde11Schas williams - CONTRACTOR * SCD - Segmentation Channel Descriptor 3761da177e4SLinus Torvalds * 3771da177e4SLinus Torvalds * Written by both the device driver and the NICStAR 3781da177e4SLinus Torvalds */ 3791da177e4SLinus Torvalds 380098fde11Schas williams - CONTRACTOR typedef struct ns_scd { 3811da177e4SLinus Torvalds u32 word_1; 3821da177e4SLinus Torvalds u32 word_2; 3831da177e4SLinus Torvalds u32 partial_aal5_crc; 3841da177e4SLinus Torvalds u32 reserved; 3851da177e4SLinus Torvalds ns_scqe cache_a; 3861da177e4SLinus Torvalds ns_scqe cache_b; 3871da177e4SLinus Torvalds } ns_scd; 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds #define NS_SCD_BASE_MASK_VAR 0xFFFFE000 /* Variable rate */ 3901da177e4SLinus Torvalds #define NS_SCD_BASE_MASK_FIX 0xFFFFFC00 /* Fixed rate */ 3911da177e4SLinus Torvalds #define NS_SCD_TAIL_MASK_VAR 0x00001FF0 3921da177e4SLinus Torvalds #define NS_SCD_TAIL_MASK_FIX 0x000003F0 3931da177e4SLinus Torvalds #define NS_SCD_HEAD_MASK_VAR 0x00001FF0 3941da177e4SLinus Torvalds #define NS_SCD_HEAD_MASK_FIX 0x000003F0 3951da177e4SLinus Torvalds #define NS_SCD_XMITFOREVER 0x02000000 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvalds /* NOTE: There are other fields in word 2 of the SCD, but as they should 3981da177e4SLinus Torvalds not be needed in the device driver they are not defined here. */ 3991da177e4SLinus Torvalds 400098fde11Schas williams - CONTRACTOR /* NICStAR local SRAM memory map */ 4011da177e4SLinus Torvalds 4021da177e4SLinus Torvalds #define NS_RCT 0x00000 4031da177e4SLinus Torvalds #define NS_RCT_32_END 0x03FFF 4041da177e4SLinus Torvalds #define NS_RCT_128_END 0x0FFFF 4051da177e4SLinus Torvalds #define NS_UNUSED_32 0x04000 4061da177e4SLinus Torvalds #define NS_UNUSED_128 0x10000 4071da177e4SLinus Torvalds #define NS_UNUSED_END 0x1BFFF 4081da177e4SLinus Torvalds #define NS_TST_FRSCD 0x1C000 4091da177e4SLinus Torvalds #define NS_TST_FRSCD_END 0x1E7DB 4101da177e4SLinus Torvalds #define NS_VRSCD2 0x1E7DC 4111da177e4SLinus Torvalds #define NS_VRSCD2_END 0x1E7E7 4121da177e4SLinus Torvalds #define NS_VRSCD1 0x1E7E8 4131da177e4SLinus Torvalds #define NS_VRSCD1_END 0x1E7F3 4141da177e4SLinus Torvalds #define NS_VRSCD0 0x1E7F4 4151da177e4SLinus Torvalds #define NS_VRSCD0_END 0x1E7FF 4161da177e4SLinus Torvalds #define NS_RXFIFO 0x1E800 4171da177e4SLinus Torvalds #define NS_RXFIFO_END 0x1F7FF 4181da177e4SLinus Torvalds #define NS_SMFBQ 0x1F800 4191da177e4SLinus Torvalds #define NS_SMFBQ_END 0x1FBFF 4201da177e4SLinus Torvalds #define NS_LGFBQ 0x1FC00 4211da177e4SLinus Torvalds #define NS_LGFBQ_END 0x1FFFF 4221da177e4SLinus Torvalds 423098fde11Schas williams - CONTRACTOR /* NISCtAR operation registers */ 4241da177e4SLinus Torvalds 4251da177e4SLinus Torvalds /* See Section 3.4 of `IDT77211 NICStAR User Manual' from www.idt.com */ 4261da177e4SLinus Torvalds 427098fde11Schas williams - CONTRACTOR enum ns_regs { 4281da177e4SLinus Torvalds DR0 = 0x00, /* Data Register 0 R/W */ 4291da177e4SLinus Torvalds DR1 = 0x04, /* Data Register 1 W */ 4301da177e4SLinus Torvalds DR2 = 0x08, /* Data Register 2 W */ 4311da177e4SLinus Torvalds DR3 = 0x0C, /* Data Register 3 W */ 4321da177e4SLinus Torvalds CMD = 0x10, /* Command W */ 4331da177e4SLinus Torvalds CFG = 0x14, /* Configuration R/W */ 4341da177e4SLinus Torvalds STAT = 0x18, /* Status R/W */ 4351da177e4SLinus Torvalds RSQB = 0x1C, /* Receive Status Queue Base W */ 4361da177e4SLinus Torvalds RSQT = 0x20, /* Receive Status Queue Tail R */ 4371da177e4SLinus Torvalds RSQH = 0x24, /* Receive Status Queue Head W */ 4381da177e4SLinus Torvalds CDC = 0x28, /* Cell Drop Counter R/clear */ 4391da177e4SLinus Torvalds VPEC = 0x2C, /* VPI/VCI Lookup Error Count R/clear */ 4401da177e4SLinus Torvalds ICC = 0x30, /* Invalid Cell Count R/clear */ 4411da177e4SLinus Torvalds RAWCT = 0x34, /* Raw Cell Tail R */ 4421da177e4SLinus Torvalds TMR = 0x38, /* Timer R */ 4431da177e4SLinus Torvalds TSTB = 0x3C, /* Transmit Schedule Table Base R/W */ 4441da177e4SLinus Torvalds TSQB = 0x40, /* Transmit Status Queue Base W */ 4451da177e4SLinus Torvalds TSQT = 0x44, /* Transmit Status Queue Tail R */ 4461da177e4SLinus Torvalds TSQH = 0x48, /* Transmit Status Queue Head W */ 4471da177e4SLinus Torvalds GP = 0x4C, /* General Purpose R/W */ 4481da177e4SLinus Torvalds VPM = 0x50 /* VPI/VCI Mask W */ 4491da177e4SLinus Torvalds }; 4501da177e4SLinus Torvalds 451098fde11Schas williams - CONTRACTOR /* NICStAR commands issued to the CMD register */ 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds /* Top 4 bits are command opcode, lower 28 are parameters. */ 4541da177e4SLinus Torvalds 4551da177e4SLinus Torvalds #define NS_CMD_NO_OPERATION 0x00000000 4561da177e4SLinus Torvalds /* params always 0 */ 4571da177e4SLinus Torvalds 4581da177e4SLinus Torvalds #define NS_CMD_OPENCLOSE_CONNECTION 0x20000000 4591da177e4SLinus Torvalds /* b19{1=open,0=close} b18-2{SRAM addr} */ 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds #define NS_CMD_WRITE_SRAM 0x40000000 4621da177e4SLinus Torvalds /* b18-2{SRAM addr} b1-0{burst size} */ 4631da177e4SLinus Torvalds 4641da177e4SLinus Torvalds #define NS_CMD_READ_SRAM 0x50000000 4651da177e4SLinus Torvalds /* b18-2{SRAM addr} */ 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds #define NS_CMD_WRITE_FREEBUFQ 0x60000000 4681da177e4SLinus Torvalds /* b0{large buf indicator} */ 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds #define NS_CMD_READ_UTILITY 0x80000000 4711da177e4SLinus Torvalds /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds #define NS_CMD_WRITE_UTILITY 0x90000000 4741da177e4SLinus Torvalds /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ 4751da177e4SLinus Torvalds 4761da177e4SLinus Torvalds #define NS_CMD_OPEN_CONNECTION (NS_CMD_OPENCLOSE_CONNECTION | 0x00080000) 4771da177e4SLinus Torvalds #define NS_CMD_CLOSE_CONNECTION NS_CMD_OPENCLOSE_CONNECTION 4781da177e4SLinus Torvalds 479098fde11Schas williams - CONTRACTOR /* NICStAR configuration bits */ 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds #define NS_CFG_SWRST 0x80000000 /* Software Reset */ 4821da177e4SLinus Torvalds #define NS_CFG_RXPATH 0x20000000 /* Receive Path Enable */ 4831da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE_MASK 0x18000000 /* Small Receive Buffer Size */ 4841da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE_MASK 0x06000000 /* Large Receive Buffer Size */ 4851da177e4SLinus Torvalds #define NS_CFG_EFBIE 0x01000000 /* Empty Free Buffer Queue 4861da177e4SLinus Torvalds Interrupt Enable */ 4871da177e4SLinus Torvalds #define NS_CFG_RSQSIZE_MASK 0x00C00000 /* Receive Status Queue Size */ 4881da177e4SLinus Torvalds #define NS_CFG_ICACCEPT 0x00200000 /* Invalid Cell Accept */ 4891da177e4SLinus Torvalds #define NS_CFG_IGNOREGFC 0x00100000 /* Ignore General Flow Control */ 4901da177e4SLinus Torvalds #define NS_CFG_VPIBITS_MASK 0x000C0000 /* VPI/VCI Bits Size Select */ 4911da177e4SLinus Torvalds #define NS_CFG_RCTSIZE_MASK 0x00030000 /* Receive Connection Table Size */ 4921da177e4SLinus Torvalds #define NS_CFG_VCERRACCEPT 0x00008000 /* VPI/VCI Error Cell Accept */ 4931da177e4SLinus Torvalds #define NS_CFG_RXINT_MASK 0x00007000 /* End of Receive PDU Interrupt 4941da177e4SLinus Torvalds Handling */ 4951da177e4SLinus Torvalds #define NS_CFG_RAWIE 0x00000800 /* Raw Cell Qu' Interrupt Enable */ 4961da177e4SLinus Torvalds #define NS_CFG_RSQAFIE 0x00000400 /* Receive Queue Almost Full 4971da177e4SLinus Torvalds Interrupt Enable */ 4981da177e4SLinus Torvalds #define NS_CFG_RXRM 0x00000200 /* Receive RM Cells */ 4991da177e4SLinus Torvalds #define NS_CFG_TMRROIE 0x00000080 /* Timer Roll Over Interrupt 5001da177e4SLinus Torvalds Enable */ 5011da177e4SLinus Torvalds #define NS_CFG_TXEN 0x00000020 /* Transmit Operation Enable */ 5021da177e4SLinus Torvalds #define NS_CFG_TXIE 0x00000010 /* Transmit Status Interrupt 5031da177e4SLinus Torvalds Enable */ 5041da177e4SLinus Torvalds #define NS_CFG_TXURIE 0x00000008 /* Transmit Under-run Interrupt 5051da177e4SLinus Torvalds Enable */ 5061da177e4SLinus Torvalds #define NS_CFG_UMODE 0x00000004 /* Utopia Mode (cell/byte) Select */ 5071da177e4SLinus Torvalds #define NS_CFG_TSQFIE 0x00000002 /* Transmit Status Queue Full 5081da177e4SLinus Torvalds Interrupt Enable */ 5091da177e4SLinus Torvalds #define NS_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */ 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE_48 0x00000000 5121da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE_96 0x08000000 5131da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE_240 0x10000000 5141da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE_2048 0x18000000 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE_2048 0x00000000 5171da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE_4096 0x02000000 5181da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE_8192 0x04000000 5191da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE_16384 0x06000000 5201da177e4SLinus Torvalds 5211da177e4SLinus Torvalds #define NS_CFG_RSQSIZE_2048 0x00000000 5221da177e4SLinus Torvalds #define NS_CFG_RSQSIZE_4096 0x00400000 5231da177e4SLinus Torvalds #define NS_CFG_RSQSIZE_8192 0x00800000 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds #define NS_CFG_VPIBITS_0 0x00000000 5261da177e4SLinus Torvalds #define NS_CFG_VPIBITS_1 0x00040000 5271da177e4SLinus Torvalds #define NS_CFG_VPIBITS_2 0x00080000 5281da177e4SLinus Torvalds #define NS_CFG_VPIBITS_8 0x000C0000 5291da177e4SLinus Torvalds 5301da177e4SLinus Torvalds #define NS_CFG_RCTSIZE_4096_ENTRIES 0x00000000 5311da177e4SLinus Torvalds #define NS_CFG_RCTSIZE_8192_ENTRIES 0x00010000 5321da177e4SLinus Torvalds #define NS_CFG_RCTSIZE_16384_ENTRIES 0x00020000 5331da177e4SLinus Torvalds 5341da177e4SLinus Torvalds #define NS_CFG_RXINT_NOINT 0x00000000 5351da177e4SLinus Torvalds #define NS_CFG_RXINT_NODELAY 0x00001000 5361da177e4SLinus Torvalds #define NS_CFG_RXINT_314US 0x00002000 5371da177e4SLinus Torvalds #define NS_CFG_RXINT_624US 0x00003000 5381da177e4SLinus Torvalds #define NS_CFG_RXINT_899US 0x00004000 5391da177e4SLinus Torvalds 540098fde11Schas williams - CONTRACTOR /* NICStAR STATus bits */ 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds #define NS_STAT_SFBQC_MASK 0xFF000000 /* hi 8 bits Small Buffer Queue Count */ 5431da177e4SLinus Torvalds #define NS_STAT_LFBQC_MASK 0x00FF0000 /* hi 8 bits Large Buffer Queue Count */ 5441da177e4SLinus Torvalds #define NS_STAT_TSIF 0x00008000 /* Transmit Status Queue Indicator */ 5451da177e4SLinus Torvalds #define NS_STAT_TXICP 0x00004000 /* Transmit Incomplete PDU */ 5461da177e4SLinus Torvalds #define NS_STAT_TSQF 0x00001000 /* Transmit Status Queue Full */ 5471da177e4SLinus Torvalds #define NS_STAT_TMROF 0x00000800 /* Timer Overflow */ 5481da177e4SLinus Torvalds #define NS_STAT_PHYI 0x00000400 /* PHY Device Interrupt */ 5491da177e4SLinus Torvalds #define NS_STAT_CMDBZ 0x00000200 /* Command Busy */ 5501da177e4SLinus Torvalds #define NS_STAT_SFBQF 0x00000100 /* Small Buffer Queue Full */ 5511da177e4SLinus Torvalds #define NS_STAT_LFBQF 0x00000080 /* Large Buffer Queue Full */ 5521da177e4SLinus Torvalds #define NS_STAT_RSQF 0x00000040 /* Receive Status Queue Full */ 5531da177e4SLinus Torvalds #define NS_STAT_EOPDU 0x00000020 /* End of PDU */ 5541da177e4SLinus Torvalds #define NS_STAT_RAWCF 0x00000010 /* Raw Cell Flag */ 5551da177e4SLinus Torvalds #define NS_STAT_SFBQE 0x00000008 /* Small Buffer Queue Empty */ 5561da177e4SLinus Torvalds #define NS_STAT_LFBQE 0x00000004 /* Large Buffer Queue Empty */ 5571da177e4SLinus Torvalds #define NS_STAT_RSQAF 0x00000002 /* Receive Status Queue Almost Full */ 5581da177e4SLinus Torvalds 5591da177e4SLinus Torvalds #define ns_stat_sfbqc_get(stat) (((stat) & NS_STAT_SFBQC_MASK) >> 23) 5601da177e4SLinus Torvalds #define ns_stat_lfbqc_get(stat) (((stat) & NS_STAT_LFBQC_MASK) >> 15) 5611da177e4SLinus Torvalds 562098fde11Schas williams - CONTRACTOR /* #defines which depend on other #defines */ 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvalds #define NS_TST0 NS_TST_FRSCD 5651da177e4SLinus Torvalds #define NS_TST1 (NS_TST_FRSCD + NS_TST_NUM_ENTRIES + 1) 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds #define NS_FRSCD (NS_TST1 + NS_TST_NUM_ENTRIES + 1) 5681da177e4SLinus Torvalds #define NS_FRSCD_SIZE 12 /* 12 dwords */ 5691da177e4SLinus Torvalds #define NS_FRSCD_NUM ((NS_TST_FRSCD_END + 1 - NS_FRSCD) / NS_FRSCD_SIZE) 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds #if (NS_SMBUFSIZE == 48) 5721da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE NS_CFG_SMBUFSIZE_48 5731da177e4SLinus Torvalds #elif (NS_SMBUFSIZE == 96) 5741da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE NS_CFG_SMBUFSIZE_96 5751da177e4SLinus Torvalds #elif (NS_SMBUFSIZE == 240) 5761da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE NS_CFG_SMBUFSIZE_240 5771da177e4SLinus Torvalds #elif (NS_SMBUFSIZE == 2048) 5781da177e4SLinus Torvalds #define NS_CFG_SMBUFSIZE NS_CFG_SMBUFSIZE_2048 5791da177e4SLinus Torvalds #else 5801da177e4SLinus Torvalds #error NS_SMBUFSIZE is incorrect in nicstar.h 5811da177e4SLinus Torvalds #endif /* NS_SMBUFSIZE */ 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvalds #if (NS_LGBUFSIZE == 2048) 5841da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE NS_CFG_LGBUFSIZE_2048 5851da177e4SLinus Torvalds #elif (NS_LGBUFSIZE == 4096) 5861da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE NS_CFG_LGBUFSIZE_4096 5871da177e4SLinus Torvalds #elif (NS_LGBUFSIZE == 8192) 5881da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE NS_CFG_LGBUFSIZE_8192 5891da177e4SLinus Torvalds #elif (NS_LGBUFSIZE == 16384) 5901da177e4SLinus Torvalds #define NS_CFG_LGBUFSIZE NS_CFG_LGBUFSIZE_16384 5911da177e4SLinus Torvalds #else 5921da177e4SLinus Torvalds #error NS_LGBUFSIZE is incorrect in nicstar.h 5931da177e4SLinus Torvalds #endif /* NS_LGBUFSIZE */ 5941da177e4SLinus Torvalds 5951da177e4SLinus Torvalds #if (NS_RSQSIZE == 2048) 5961da177e4SLinus Torvalds #define NS_CFG_RSQSIZE NS_CFG_RSQSIZE_2048 5971da177e4SLinus Torvalds #elif (NS_RSQSIZE == 4096) 5981da177e4SLinus Torvalds #define NS_CFG_RSQSIZE NS_CFG_RSQSIZE_4096 5991da177e4SLinus Torvalds #elif (NS_RSQSIZE == 8192) 6001da177e4SLinus Torvalds #define NS_CFG_RSQSIZE NS_CFG_RSQSIZE_8192 6011da177e4SLinus Torvalds #else 6021da177e4SLinus Torvalds #error NS_RSQSIZE is incorrect in nicstar.h 6031da177e4SLinus Torvalds #endif /* NS_RSQSIZE */ 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds #if (NS_VPIBITS == 0) 6061da177e4SLinus Torvalds #define NS_CFG_VPIBITS NS_CFG_VPIBITS_0 6071da177e4SLinus Torvalds #elif (NS_VPIBITS == 1) 6081da177e4SLinus Torvalds #define NS_CFG_VPIBITS NS_CFG_VPIBITS_1 6091da177e4SLinus Torvalds #elif (NS_VPIBITS == 2) 6101da177e4SLinus Torvalds #define NS_CFG_VPIBITS NS_CFG_VPIBITS_2 6111da177e4SLinus Torvalds #elif (NS_VPIBITS == 8) 6121da177e4SLinus Torvalds #define NS_CFG_VPIBITS NS_CFG_VPIBITS_8 6131da177e4SLinus Torvalds #else 6141da177e4SLinus Torvalds #error NS_VPIBITS is incorrect in nicstar.h 6151da177e4SLinus Torvalds #endif /* NS_VPIBITS */ 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds #ifdef RCQ_SUPPORT 6181da177e4SLinus Torvalds #define NS_CFG_RAWIE_OPT NS_CFG_RAWIE 6191da177e4SLinus Torvalds #else 6201da177e4SLinus Torvalds #define NS_CFG_RAWIE_OPT 0x00000000 6211da177e4SLinus Torvalds #endif /* RCQ_SUPPORT */ 6221da177e4SLinus Torvalds 6231da177e4SLinus Torvalds #ifdef ENABLE_TSQFIE 6241da177e4SLinus Torvalds #define NS_CFG_TSQFIE_OPT NS_CFG_TSQFIE 6251da177e4SLinus Torvalds #else 6261da177e4SLinus Torvalds #define NS_CFG_TSQFIE_OPT 0x00000000 6271da177e4SLinus Torvalds #endif /* ENABLE_TSQFIE */ 6281da177e4SLinus Torvalds 629098fde11Schas williams - CONTRACTOR /* PCI stuff */ 6301da177e4SLinus Torvalds 6311da177e4SLinus Torvalds #ifndef PCI_VENDOR_ID_IDT 6321da177e4SLinus Torvalds #define PCI_VENDOR_ID_IDT 0x111D 6331da177e4SLinus Torvalds #endif /* PCI_VENDOR_ID_IDT */ 6341da177e4SLinus Torvalds 6351da177e4SLinus Torvalds #ifndef PCI_DEVICE_ID_IDT_IDT77201 6361da177e4SLinus Torvalds #define PCI_DEVICE_ID_IDT_IDT77201 0x0001 6371da177e4SLinus Torvalds #endif /* PCI_DEVICE_ID_IDT_IDT77201 */ 6381da177e4SLinus Torvalds 639098fde11Schas williams - CONTRACTOR /* Device driver structures */ 6401da177e4SLinus Torvalds 641864a3ff6Schas williams - CONTRACTOR struct ns_skb_prv { 6428728b834SDavid S. Miller u32 buf_type; /* BUF_SM/BUF_LG/BUF_NONE */ 643864a3ff6Schas williams - CONTRACTOR u32 dma; 644864a3ff6Schas williams - CONTRACTOR int iovcnt; 6458728b834SDavid S. Miller }; 6468728b834SDavid S. Miller 647864a3ff6Schas williams - CONTRACTOR #define NS_PRV_BUFTYPE(skb) \ 648864a3ff6Schas williams - CONTRACTOR (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->buf_type) 649864a3ff6Schas williams - CONTRACTOR #define NS_PRV_DMA(skb) \ 650864a3ff6Schas williams - CONTRACTOR (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->dma) 651864a3ff6Schas williams - CONTRACTOR #define NS_PRV_IOVCNT(skb) \ 652864a3ff6Schas williams - CONTRACTOR (((struct ns_skb_prv *)(ATM_SKB(skb)+1))->iovcnt) 6538728b834SDavid S. Miller 654098fde11Schas williams - CONTRACTOR typedef struct tsq_info { 6551da177e4SLinus Torvalds void *org; 656864a3ff6Schas williams - CONTRACTOR dma_addr_t dma; 6571da177e4SLinus Torvalds ns_tsi *base; 6581da177e4SLinus Torvalds ns_tsi *next; 6591da177e4SLinus Torvalds ns_tsi *last; 6601da177e4SLinus Torvalds } tsq_info; 6611da177e4SLinus Torvalds 662098fde11Schas williams - CONTRACTOR typedef struct scq_info { 6631da177e4SLinus Torvalds void *org; 664864a3ff6Schas williams - CONTRACTOR dma_addr_t dma; 6651da177e4SLinus Torvalds ns_scqe *base; 6661da177e4SLinus Torvalds ns_scqe *last; 6671da177e4SLinus Torvalds ns_scqe *next; 6681da177e4SLinus Torvalds volatile ns_scqe *tail; /* Not related to the nicstar register */ 6691da177e4SLinus Torvalds unsigned num_entries; 6701da177e4SLinus Torvalds struct sk_buff **skb; /* Pointer to an array of pointers 6711da177e4SLinus Torvalds to the sk_buffs used for tx */ 6721da177e4SLinus Torvalds u32 scd; /* SRAM address of the corresponding 6731da177e4SLinus Torvalds SCD */ 6741da177e4SLinus Torvalds int tbd_count; /* Only meaningful on variable rate */ 6751da177e4SLinus Torvalds wait_queue_head_t scqfull_waitq; 6761da177e4SLinus Torvalds volatile char full; /* SCQ full indicator */ 6771da177e4SLinus Torvalds spinlock_t lock; /* SCQ spinlock */ 6781da177e4SLinus Torvalds } scq_info; 6791da177e4SLinus Torvalds 680098fde11Schas williams - CONTRACTOR typedef struct rsq_info { 6811da177e4SLinus Torvalds void *org; 682864a3ff6Schas williams - CONTRACTOR dma_addr_t dma; 6831da177e4SLinus Torvalds ns_rsqe *base; 6841da177e4SLinus Torvalds ns_rsqe *next; 6851da177e4SLinus Torvalds ns_rsqe *last; 6861da177e4SLinus Torvalds } rsq_info; 6871da177e4SLinus Torvalds 688098fde11Schas williams - CONTRACTOR typedef struct skb_pool { 6891da177e4SLinus Torvalds volatile int count; /* number of buffers in the queue */ 6901da177e4SLinus Torvalds struct sk_buff_head queue; 6911da177e4SLinus Torvalds } skb_pool; 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds /* NOTE: for small and large buffer pools, the count is not used, as the 6941da177e4SLinus Torvalds actual value used for buffer management is the one read from the 6951da177e4SLinus Torvalds card. */ 6961da177e4SLinus Torvalds 697098fde11Schas williams - CONTRACTOR typedef struct vc_map { 6981da177e4SLinus Torvalds volatile unsigned int tx:1; /* TX vc? */ 6991da177e4SLinus Torvalds volatile unsigned int rx:1; /* RX vc? */ 7001da177e4SLinus Torvalds struct atm_vcc *tx_vcc, *rx_vcc; 7011da177e4SLinus Torvalds struct sk_buff *rx_iov; /* RX iovector skb */ 7021da177e4SLinus Torvalds scq_info *scq; /* To keep track of the SCQ */ 7031da177e4SLinus Torvalds u32 cbr_scd; /* SRAM address of the corresponding 7041da177e4SLinus Torvalds SCD. 0x00000000 for UBR/VBR/ABR */ 7051da177e4SLinus Torvalds int tbd_count; 7061da177e4SLinus Torvalds } vc_map; 7071da177e4SLinus Torvalds 708098fde11Schas williams - CONTRACTOR typedef struct ns_dev { 7091da177e4SLinus Torvalds int index; /* Card ID to the device driver */ 7101da177e4SLinus Torvalds int sram_size; /* In k x 32bit words. 32 or 128 */ 7111da177e4SLinus Torvalds void __iomem *membase; /* Card's memory base address */ 7121da177e4SLinus Torvalds unsigned long max_pcr; 7131da177e4SLinus Torvalds int rct_size; /* Number of entries */ 7141da177e4SLinus Torvalds int vpibits; 7151da177e4SLinus Torvalds int vcibits; 7161da177e4SLinus Torvalds struct pci_dev *pcidev; 717864a3ff6Schas williams - CONTRACTOR struct idr idr; 7181da177e4SLinus Torvalds struct atm_dev *atmdev; 7191da177e4SLinus Torvalds tsq_info tsq; 7201da177e4SLinus Torvalds rsq_info rsq; 7211da177e4SLinus Torvalds scq_info *scq0, *scq1, *scq2; /* VBR SCQs */ 7221da177e4SLinus Torvalds skb_pool sbpool; /* Small buffers */ 7231da177e4SLinus Torvalds skb_pool lbpool; /* Large buffers */ 7241da177e4SLinus Torvalds skb_pool hbpool; /* Pre-allocated huge buffers */ 7251da177e4SLinus Torvalds skb_pool iovpool; /* iovector buffers */ 7261da177e4SLinus Torvalds volatile int efbie; /* Empty free buf. queue int. enabled */ 7271da177e4SLinus Torvalds volatile u32 tst_addr; /* SRAM address of the TST in use */ 7281da177e4SLinus Torvalds volatile int tst_free_entries; 7291da177e4SLinus Torvalds vc_map vcmap[NS_MAX_RCTSIZE]; 7301da177e4SLinus Torvalds vc_map *tste2vc[NS_TST_NUM_ENTRIES]; 7311da177e4SLinus Torvalds vc_map *scd2vc[NS_FRSCD_NUM]; 7321da177e4SLinus Torvalds buf_nr sbnr; 7331da177e4SLinus Torvalds buf_nr lbnr; 7341da177e4SLinus Torvalds buf_nr hbnr; 7351da177e4SLinus Torvalds buf_nr iovnr; 7361da177e4SLinus Torvalds int sbfqc; 7371da177e4SLinus Torvalds int lbfqc; 738864a3ff6Schas williams - CONTRACTOR struct sk_buff *sm_handle; 7391da177e4SLinus Torvalds u32 sm_addr; 740864a3ff6Schas williams - CONTRACTOR struct sk_buff *lg_handle; 7411da177e4SLinus Torvalds u32 lg_addr; 7421da177e4SLinus Torvalds struct sk_buff *rcbuf; /* Current raw cell buffer */ 743864a3ff6Schas williams - CONTRACTOR struct ns_rcqe *rawcell; 7441da177e4SLinus Torvalds u32 rawch; /* Raw cell queue head */ 7451da177e4SLinus Torvalds unsigned intcnt; /* Interrupt counter */ 7461da177e4SLinus Torvalds spinlock_t int_lock; /* Interrupt lock */ 7471da177e4SLinus Torvalds spinlock_t res_lock; /* Card resource lock */ 7481da177e4SLinus Torvalds } ns_dev; 7491da177e4SLinus Torvalds 7501da177e4SLinus Torvalds /* NOTE: Each tste2vc entry relates a given TST entry to the corresponding 7511da177e4SLinus Torvalds CBR vc. If the entry is not allocated, it must be NULL. 7521da177e4SLinus Torvalds 7531da177e4SLinus Torvalds There are two TSTs so the driver can modify them on the fly 7541da177e4SLinus Torvalds without stopping the transmission. 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds scd2vc allows us to find out unused fixed rate SCDs, because 7571da177e4SLinus Torvalds they must have a NULL pointer here. */ 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvalds #endif /* _LINUX_NICSTAR_H_ */ 760