Lines Matching +full:vcc +full:- +full:p
122 static int idt77252_open(struct atm_vcc *vcc);
123 static void idt77252_close(struct atm_vcc *vcc);
124 static int idt77252_send(struct atm_vcc *vcc, struct sk_buff *skb);
125 static int idt77252_send_oam(struct atm_vcc *vcc, void *cell,
130 static int idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos,
176 spin_lock_irqsave(&card->cmd_lock, flags); in read_sram()
180 spin_unlock_irqrestore(&card->cmd_lock, flags); in read_sram()
190 (((addr > card->tst[0] + card->tst_size - 2) && in write_sram()
191 (addr < card->tst[0] + card->tst_size)) || in write_sram()
192 ((addr > card->tst[1] + card->tst_size - 2) && in write_sram()
193 (addr < card->tst[1] + card->tst_size)))) { in write_sram()
195 card->name, addr, value); in write_sram()
198 spin_lock_irqsave(&card->cmd_lock, flags); in write_sram()
202 spin_unlock_irqrestore(&card->cmd_lock, flags); in write_sram()
214 return -1; in read_utility()
217 spin_lock_irqsave(&card->cmd_lock, flags); in read_utility()
221 spin_unlock_irqrestore(&card->cmd_lock, flags); in read_utility()
236 spin_lock_irqsave(&card->cmd_lock, flags); in write_utility()
240 spin_unlock_irqrestore(&card->cmd_lock, flags); in write_utility()
372 spin_lock_irqsave(&card->cmd_lock, flags); in idt77252_write_gp()
375 spin_unlock_irqrestore(&card->cmd_lock, flags); in idt77252_write_gp()
537 tct = (unsigned long) (card->tct_base + index * SAR_SRAM_TCT_SIZE); in dump_tct()
539 printk("%s: TCT %x:", card->name, index); in dump_tct()
549 struct atm_vcc *vcc; in idt77252_tx_dump() local
554 for (i = 0; i < card->tct_size; i++) { in idt77252_tx_dump()
555 vc = card->vcs[i]; in idt77252_tx_dump()
559 vcc = NULL; in idt77252_tx_dump()
560 if (vc->rx_vcc) in idt77252_tx_dump()
561 vcc = vc->rx_vcc; in idt77252_tx_dump()
562 else if (vc->tx_vcc) in idt77252_tx_dump()
563 vcc = vc->tx_vcc; in idt77252_tx_dump()
565 if (!vcc) in idt77252_tx_dump()
568 printk("%s: Connection %d:\n", card->name, vc->index); in idt77252_tx_dump()
569 dump_tct(card, vc->index); in idt77252_tx_dump()
584 struct sb_pool *pool = &card->sbpool[queue]; in sb_pool_add()
587 index = pool->index; in sb_pool_add()
588 while (pool->skb[index]) { in sb_pool_add()
590 if (index == pool->index) in sb_pool_add()
591 return -ENOBUFS; in sb_pool_add()
594 pool->skb[index] = skb; in sb_pool_add()
597 pool->index = (index + 1) & FBQ_MASK; in sb_pool_add()
614 if (index > FBQ_SIZE - 1) in sb_pool_remove()
617 card->sbpool[queue].skb[index] = NULL; in sb_pool_remove()
630 if (index > FBQ_SIZE - 1) in sb_pool_skb()
633 return card->sbpool[queue].skb[index]; in sb_pool_skb()
644 scq->base = dma_alloc_coherent(&card->pcidev->dev, SCQ_SIZE, in alloc_scq()
645 &scq->paddr, GFP_KERNEL); in alloc_scq()
646 if (scq->base == NULL) { in alloc_scq()
651 scq->next = scq->base; in alloc_scq()
652 scq->last = scq->base + (SCQ_ENTRIES - 1); in alloc_scq()
653 atomic_set(&scq->used, 0); in alloc_scq()
655 spin_lock_init(&scq->lock); in alloc_scq()
656 spin_lock_init(&scq->skblock); in alloc_scq()
658 skb_queue_head_init(&scq->transmit); in alloc_scq()
659 skb_queue_head_init(&scq->pending); in alloc_scq()
661 TXPRINTK("idt77252: SCQ: base 0x%p, next 0x%p, last 0x%p, paddr %08llx\n", in alloc_scq()
662 scq->base, scq->next, scq->last, (unsigned long long)scq->paddr); in alloc_scq()
671 struct atm_vcc *vcc; in free_scq() local
673 dma_free_coherent(&card->pcidev->dev, SCQ_SIZE, in free_scq()
674 scq->base, scq->paddr); in free_scq()
676 while ((skb = skb_dequeue(&scq->transmit))) { in free_scq()
677 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in free_scq()
678 skb->len, DMA_TO_DEVICE); in free_scq()
680 vcc = ATM_SKB(skb)->vcc; in free_scq()
681 if (vcc->pop) in free_scq()
682 vcc->pop(vcc, skb); in free_scq()
687 while ((skb = skb_dequeue(&scq->pending))) { in free_scq()
688 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in free_scq()
689 skb->len, DMA_TO_DEVICE); in free_scq()
691 vcc = ATM_SKB(skb)->vcc; in free_scq()
692 if (vcc->pop) in free_scq()
693 vcc->pop(vcc, skb); in free_scq()
705 struct scq_info *scq = vc->scq; in push_on_scq()
710 TXPRINTK("%s: SCQ: next 0x%p\n", card->name, scq->next); in push_on_scq()
712 atomic_inc(&scq->used); in push_on_scq()
713 entries = atomic_read(&scq->used); in push_on_scq()
714 if (entries > (SCQ_ENTRIES - 1)) { in push_on_scq()
715 atomic_dec(&scq->used); in push_on_scq()
719 skb_queue_tail(&scq->transmit, skb); in push_on_scq()
721 spin_lock_irqsave(&vc->lock, flags); in push_on_scq()
722 if (vc->estimator) { in push_on_scq()
723 struct atm_vcc *vcc = vc->tx_vcc; in push_on_scq() local
724 struct sock *sk = sk_atm(vcc); in push_on_scq()
726 vc->estimator->cells += (skb->len + 47) / 48; in push_on_scq()
727 if (refcount_read(&sk->sk_wmem_alloc) > in push_on_scq()
728 (sk->sk_sndbuf >> 1)) { in push_on_scq()
729 u32 cps = vc->estimator->maxcps; in push_on_scq()
731 vc->estimator->cps = cps; in push_on_scq()
732 vc->estimator->avcps = cps << 5; in push_on_scq()
733 if (vc->lacr < vc->init_er) { in push_on_scq()
734 vc->lacr = vc->init_er; in push_on_scq()
735 writel(TCMDQ_LACR | (vc->lacr << 16) | in push_on_scq()
736 vc->index, SAR_REG_TCMDQ); in push_on_scq()
740 spin_unlock_irqrestore(&vc->lock, flags); in push_on_scq()
744 spin_lock_irqsave(&scq->lock, flags); in push_on_scq()
745 scq->next->word_1 = cpu_to_le32(tbd->word_1 | in push_on_scq()
747 scq->next->word_2 = cpu_to_le32(tbd->word_2); in push_on_scq()
748 scq->next->word_3 = cpu_to_le32(tbd->word_3); in push_on_scq()
749 scq->next->word_4 = cpu_to_le32(tbd->word_4); in push_on_scq()
751 if (scq->next == scq->last) in push_on_scq()
752 scq->next = scq->base; in push_on_scq()
754 scq->next++; in push_on_scq()
756 write_sram(card, scq->scd, in push_on_scq()
757 scq->paddr + in push_on_scq()
758 (u32)((unsigned long)scq->next - (unsigned long)scq->base)); in push_on_scq()
759 spin_unlock_irqrestore(&scq->lock, flags); in push_on_scq()
761 scq->trans_start = jiffies; in push_on_scq()
763 if (test_and_clear_bit(VCF_IDLE, &vc->flags)) { in push_on_scq()
764 writel(TCMDQ_START_LACR | (vc->lacr << 16) | vc->index, in push_on_scq()
768 TXPRINTK("%d entries in SCQ used (push).\n", atomic_read(&scq->used)); in push_on_scq()
770 XPRINTK("%s: SCQ (after push %2d) head = 0x%x, next = 0x%p.\n", in push_on_scq()
771 card->name, atomic_read(&scq->used), in push_on_scq()
772 read_sram(card, scq->scd + 1), scq->next); in push_on_scq()
777 if (time_after(jiffies, scq->trans_start + HZ)) { in push_on_scq()
779 card->name, vc->tx_vcc->vpi, vc->tx_vcc->vci); in push_on_scq()
783 scq->trans_start = jiffies; in push_on_scq()
786 return -ENOBUFS; in push_on_scq()
793 struct scq_info *scq = vc->scq; in drain_scq()
795 struct atm_vcc *vcc; in drain_scq() local
797 TXPRINTK("%s: SCQ (before drain %2d) next = 0x%p.\n", in drain_scq()
798 card->name, atomic_read(&scq->used), scq->next); in drain_scq()
800 skb = skb_dequeue(&scq->transmit); in drain_scq()
802 TXPRINTK("%s: freeing skb at %p.\n", card->name, skb); in drain_scq()
804 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in drain_scq()
805 skb->len, DMA_TO_DEVICE); in drain_scq()
807 vcc = ATM_SKB(skb)->vcc; in drain_scq()
809 if (vcc->pop) in drain_scq()
810 vcc->pop(vcc, skb); in drain_scq()
814 atomic_inc(&vcc->stats->tx); in drain_scq()
817 atomic_dec(&scq->used); in drain_scq()
819 spin_lock(&scq->skblock); in drain_scq()
820 while ((skb = skb_dequeue(&scq->pending))) { in drain_scq()
822 skb_queue_head(&vc->scq->pending, skb); in drain_scq()
826 spin_unlock(&scq->skblock); in drain_scq()
833 struct atm_vcc *vcc; in queue_skb() local
840 if (skb->len == 0) { in queue_skb()
841 printk("%s: invalid skb->len (%d)\n", card->name, skb->len); in queue_skb()
842 return -EINVAL; in queue_skb()
846 card->name, skb->len); in queue_skb()
849 vcc = ATM_SKB(skb)->vcc; in queue_skb()
850 word4 = (skb->data[0] << 24) | (skb->data[1] << 16) | in queue_skb()
851 (skb->data[2] << 8) | (skb->data[3] << 0); in queue_skb()
853 IDT77252_PRV_PADDR(skb) = dma_map_single(&card->pcidev->dev, skb->data, in queue_skb()
854 skb->len, DMA_TO_DEVICE); in queue_skb()
855 if (dma_mapping_error(&card->pcidev->dev, IDT77252_PRV_PADDR(skb))) in queue_skb()
856 return -ENOMEM; in queue_skb()
858 error = -EINVAL; in queue_skb()
861 if (skb->len != 52) in queue_skb()
864 tbd->word_1 = SAR_TBD_OAM | ATM_CELL_PAYLOAD | SAR_TBD_EPDU; in queue_skb()
865 tbd->word_2 = IDT77252_PRV_PADDR(skb) + 4; in queue_skb()
866 tbd->word_3 = 0x00000000; in queue_skb()
867 tbd->word_4 = word4; in queue_skb()
869 if (test_bit(VCF_RSV, &vc->flags)) in queue_skb()
870 vc = card->vcs[0]; in queue_skb()
875 if (test_bit(VCF_RSV, &vc->flags)) { in queue_skb()
876 printk("%s: Trying to transmit on reserved VC\n", card->name); in queue_skb()
880 aal = vcc->qos.aal; in queue_skb()
885 if (skb->len > 52) in queue_skb()
889 tbd->word_1 = SAR_TBD_EPDU | SAR_TBD_AAL0 | in queue_skb()
892 tbd->word_1 = SAR_TBD_EPDU | SAR_TBD_AAL34 | in queue_skb()
895 tbd->word_2 = IDT77252_PRV_PADDR(skb) + 4; in queue_skb()
896 tbd->word_3 = 0x00000000; in queue_skb()
897 tbd->word_4 = word4; in queue_skb()
901 tbd->word_1 = SAR_TBD_EPDU | SAR_TBD_AAL5 | skb->len; in queue_skb()
902 tbd->word_2 = IDT77252_PRV_PADDR(skb); in queue_skb()
903 tbd->word_3 = skb->len; in queue_skb()
904 tbd->word_4 = (vcc->vpi << SAR_TBD_VPI_SHIFT) | in queue_skb()
905 (vcc->vci << SAR_TBD_VCI_SHIFT); in queue_skb()
911 printk("%s: Traffic type not supported.\n", card->name); in queue_skb()
912 error = -EPROTONOSUPPORT; in queue_skb()
917 spin_lock_irqsave(&vc->scq->skblock, flags); in queue_skb()
918 skb_queue_tail(&vc->scq->pending, skb); in queue_skb()
920 while ((skb = skb_dequeue(&vc->scq->pending))) { in queue_skb()
922 skb_queue_head(&vc->scq->pending, skb); in queue_skb()
926 spin_unlock_irqrestore(&vc->scq->skblock, flags); in queue_skb()
931 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in queue_skb()
932 skb->len, DMA_TO_DEVICE); in queue_skb()
941 for (i = 0; i < card->scd_size; i++) { in get_free_scd()
942 if (!card->scd2vc[i]) { in get_free_scd()
943 card->scd2vc[i] = vc; in get_free_scd()
944 vc->scd_index = i; in get_free_scd()
945 return card->scd_base + i * SAR_SRAM_SCD_SIZE; in get_free_scd()
954 write_sram(card, scq->scd, scq->paddr); in fill_scd()
955 write_sram(card, scq->scd + 1, 0x00000000); in fill_scd()
956 write_sram(card, scq->scd + 2, 0xffffffff); in fill_scd()
957 write_sram(card, scq->scd + 3, 0x00000000); in fill_scd()
977 card->rsq.base = dma_alloc_coherent(&card->pcidev->dev, RSQSIZE, in init_rsq()
978 &card->rsq.paddr, GFP_KERNEL); in init_rsq()
979 if (card->rsq.base == NULL) { in init_rsq()
980 printk("%s: can't allocate RSQ.\n", card->name); in init_rsq()
981 return -1; in init_rsq()
984 card->rsq.last = card->rsq.base + RSQ_NUM_ENTRIES - 1; in init_rsq()
985 card->rsq.next = card->rsq.last; in init_rsq()
986 for (rsqe = card->rsq.base; rsqe <= card->rsq.last; rsqe++) in init_rsq()
987 rsqe->word_4 = 0; in init_rsq()
989 writel((unsigned long) card->rsq.last - (unsigned long) card->rsq.base, in init_rsq()
991 writel(card->rsq.paddr, SAR_REG_RSQB); in init_rsq()
993 IPRINTK("%s: RSQ base at 0x%lx (0x%x).\n", card->name, in init_rsq()
994 (unsigned long) card->rsq.base, in init_rsq()
997 card->name, in init_rsq()
1008 dma_free_coherent(&card->pcidev->dev, RSQSIZE, in deinit_rsq()
1009 card->rsq.base, card->rsq.paddr); in deinit_rsq()
1015 struct atm_vcc *vcc; in dequeue_rx() local
1023 stat = le32_to_cpu(rsqe->word_4); in dequeue_rx()
1027 card->name); in dequeue_rx()
1031 skb = sb_pool_skb(card, le32_to_cpu(rsqe->word_2)); in dequeue_rx()
1034 card->name, __func__, in dequeue_rx()
1035 le32_to_cpu(rsqe->word_1), le32_to_cpu(rsqe->word_2), in dequeue_rx()
1036 le32_to_cpu(rsqe->word_3), le32_to_cpu(rsqe->word_4)); in dequeue_rx()
1040 header = le32_to_cpu(rsqe->word_1); in dequeue_rx()
1044 RXPRINTK("%s: SDU for %d.%d received in buffer 0x%p (data 0x%p).\n", in dequeue_rx()
1045 card->name, vpi, vci, skb, skb->data); in dequeue_rx()
1047 if ((vpi >= (1 << card->vpibits)) || (vci != (vci & card->vcimask))) { in dequeue_rx()
1048 printk("%s: SDU received for out-of-range vc %u.%u\n", in dequeue_rx()
1049 card->name, vpi, vci); in dequeue_rx()
1054 vc = card->vcs[VPCI2VC(card, vpi, vci)]; in dequeue_rx()
1055 if (!vc || !test_bit(VCF_RX, &vc->flags)) { in dequeue_rx()
1057 card->name, vpi, vci); in dequeue_rx()
1062 vcc = vc->rx_vcc; in dequeue_rx()
1064 dma_sync_single_for_cpu(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in dequeue_rx()
1065 skb_end_pointer(skb) - skb->data, in dequeue_rx()
1068 if ((vcc->qos.aal == ATM_AAL0) || in dequeue_rx()
1069 (vcc->qos.aal == ATM_AAL34)) { in dequeue_rx()
1074 cell = skb->data; in dequeue_rx()
1075 for (i = (stat & SAR_RSQE_CELLCNT); i; i--) { in dequeue_rx()
1078 card->name); in dequeue_rx()
1079 atomic_add(i, &vcc->stats->rx_drop); in dequeue_rx()
1082 if (!atm_charge(vcc, sb->truesize)) { in dequeue_rx()
1084 card->name); in dequeue_rx()
1085 atomic_add(i - 1, &vcc->stats->rx_drop); in dequeue_rx()
1094 *((u32 *) sb->data) = aal0; in dequeue_rx()
1098 ATM_SKB(sb)->vcc = vcc; in dequeue_rx()
1100 vcc->push(vcc, sb); in dequeue_rx()
1101 atomic_inc(&vcc->stats->rx); in dequeue_rx()
1109 if (vcc->qos.aal != ATM_AAL5) { in dequeue_rx()
1111 card->name, vcc->qos.aal); in dequeue_rx()
1115 skb->len = (stat & SAR_RSQE_CELLCNT) * ATM_CELL_PAYLOAD; in dequeue_rx()
1117 rpp = &vc->rcv.rx_pool; in dequeue_rx()
1119 __skb_queue_tail(&rpp->queue, skb); in dequeue_rx()
1120 rpp->len += skb->len; in dequeue_rx()
1126 l1l2 = (unsigned char *) ((unsigned long) skb->data + skb->len - 6); in dequeue_rx()
1131 RXPRINTK("%s: PDU has %d bytes.\n", card->name, len); in dequeue_rx()
1133 if ((len + 8 > rpp->len) || (len + (47 + 8) < rpp->len)) { in dequeue_rx()
1136 card->name, len, rpp->len, readl(SAR_REG_CDC)); in dequeue_rx()
1138 atomic_inc(&vcc->stats->rx_err); in dequeue_rx()
1142 RXPRINTK("%s: AAL5 CRC error.\n", card->name); in dequeue_rx()
1144 atomic_inc(&vcc->stats->rx_err); in dequeue_rx()
1147 if (skb_queue_len(&rpp->queue) > 1) { in dequeue_rx()
1150 skb = dev_alloc_skb(rpp->len); in dequeue_rx()
1153 card->name); in dequeue_rx()
1155 atomic_inc(&vcc->stats->rx_err); in dequeue_rx()
1158 if (!atm_charge(vcc, skb->truesize)) { in dequeue_rx()
1163 skb_queue_walk(&rpp->queue, sb) in dequeue_rx()
1164 skb_put_data(skb, sb->data, sb->len); in dequeue_rx()
1169 ATM_SKB(skb)->vcc = vcc; in dequeue_rx()
1172 vcc->push(vcc, skb); in dequeue_rx()
1173 atomic_inc(&vcc->stats->rx); in dequeue_rx()
1180 if (!atm_charge(vcc, skb->truesize)) { in dequeue_rx()
1185 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in dequeue_rx()
1186 skb_end_pointer(skb) - skb->data, in dequeue_rx()
1191 ATM_SKB(skb)->vcc = vcc; in dequeue_rx()
1194 truesize = skb->truesize; in dequeue_rx()
1195 vcc->push(vcc, skb); in dequeue_rx()
1196 atomic_inc(&vcc->stats->rx); in dequeue_rx()
1215 if (card->rsq.next == card->rsq.last) in idt77252_rx()
1216 rsqe = card->rsq.base; in idt77252_rx()
1218 rsqe = card->rsq.next + 1; in idt77252_rx()
1220 if (!(le32_to_cpu(rsqe->word_4) & SAR_RSQE_VALID)) { in idt77252_rx()
1221 RXPRINTK("%s: no entry in RSQ.\n", card->name); in idt77252_rx()
1227 rsqe->word_4 = 0; in idt77252_rx()
1228 card->rsq.next = rsqe; in idt77252_rx()
1229 if (card->rsq.next == card->rsq.last) in idt77252_rx()
1230 rsqe = card->rsq.base; in idt77252_rx()
1232 rsqe = card->rsq.next + 1; in idt77252_rx()
1233 } while (le32_to_cpu(rsqe->word_4) & SAR_RSQE_VALID); in idt77252_rx()
1235 writel((unsigned long) card->rsq.next - (unsigned long) card->rsq.base, in idt77252_rx()
1244 struct atm_vcc *vcc; in idt77252_rx_raw() local
1248 if (card->raw_cell_head == NULL) { in idt77252_rx_raw()
1249 u32 handle = le32_to_cpu(*(card->raw_cell_hnd + 1)); in idt77252_rx_raw()
1250 card->raw_cell_head = sb_pool_skb(card, handle); in idt77252_rx_raw()
1253 queue = card->raw_cell_head; in idt77252_rx_raw()
1257 head = IDT77252_PRV_PADDR(queue) + (queue->data - queue->head - 16); in idt77252_rx_raw()
1260 dma_sync_single_for_cpu(&card->pcidev->dev, IDT77252_PRV_PADDR(queue), in idt77252_rx_raw()
1261 skb_end_offset(queue) - 16, in idt77252_rx_raw()
1268 header = le32_to_cpu(*(u32 *) &queue->data[0]); in idt77252_rx_raw()
1278 card->name, (header >> 28) & 0x000f, in idt77252_rx_raw()
1284 printk(" %02x", queue->data[i]); in idt77252_rx_raw()
1289 if (vpi >= (1<<card->vpibits) || vci >= (1<<card->vcibits)) { in idt77252_rx_raw()
1290 RPRINTK("%s: SDU received for out-of-range vc %u.%u\n", in idt77252_rx_raw()
1291 card->name, vpi, vci); in idt77252_rx_raw()
1295 vc = card->vcs[VPCI2VC(card, vpi, vci)]; in idt77252_rx_raw()
1296 if (!vc || !test_bit(VCF_RX, &vc->flags)) { in idt77252_rx_raw()
1298 card->name, vpi, vci); in idt77252_rx_raw()
1302 vcc = vc->rx_vcc; in idt77252_rx_raw()
1304 if (vcc->qos.aal != ATM_AAL0) { in idt77252_rx_raw()
1306 card->name, vpi, vci); in idt77252_rx_raw()
1307 atomic_inc(&vcc->stats->rx_drop); in idt77252_rx_raw()
1313 card->name); in idt77252_rx_raw()
1314 atomic_inc(&vcc->stats->rx_err); in idt77252_rx_raw()
1318 if (!atm_charge(vcc, sb->truesize)) { in idt77252_rx_raw()
1320 card->name); in idt77252_rx_raw()
1325 *((u32 *) sb->data) = header; in idt77252_rx_raw()
1327 skb_put_data(sb, &(queue->data[16]), ATM_CELL_PAYLOAD); in idt77252_rx_raw()
1329 ATM_SKB(sb)->vcc = vcc; in idt77252_rx_raw()
1331 vcc->push(vcc, sb); in idt77252_rx_raw()
1332 atomic_inc(&vcc->stats->rx); in idt77252_rx_raw()
1338 + (queue->data - queue->head - 16); in idt77252_rx_raw()
1340 if (queue->len < 128) { in idt77252_rx_raw()
1344 head = le32_to_cpu(*(u32 *) &queue->data[0]); in idt77252_rx_raw()
1345 handle = le32_to_cpu(*(u32 *) &queue->data[4]); in idt77252_rx_raw()
1351 card->raw_cell_head = next; in idt77252_rx_raw()
1352 queue = card->raw_cell_head; in idt77252_rx_raw()
1353 dma_sync_single_for_cpu(&card->pcidev->dev, in idt77252_rx_raw()
1355 (skb_end_pointer(queue) - in idt77252_rx_raw()
1356 queue->data), in idt77252_rx_raw()
1359 card->raw_cell_head = NULL; in idt77252_rx_raw()
1361 card->name); in idt77252_rx_raw()
1380 card->tsq.base = dma_alloc_coherent(&card->pcidev->dev, RSQSIZE, in init_tsq()
1381 &card->tsq.paddr, GFP_KERNEL); in init_tsq()
1382 if (card->tsq.base == NULL) { in init_tsq()
1383 printk("%s: can't allocate TSQ.\n", card->name); in init_tsq()
1384 return -1; in init_tsq()
1387 card->tsq.last = card->tsq.base + TSQ_NUM_ENTRIES - 1; in init_tsq()
1388 card->tsq.next = card->tsq.last; in init_tsq()
1389 for (tsqe = card->tsq.base; tsqe <= card->tsq.last; tsqe++) in init_tsq()
1390 tsqe->word_2 = cpu_to_le32(SAR_TSQE_INVALID); in init_tsq()
1392 writel(card->tsq.paddr, SAR_REG_TSQB); in init_tsq()
1393 writel((unsigned long) card->tsq.next - (unsigned long) card->tsq.base, in init_tsq()
1402 dma_free_coherent(&card->pcidev->dev, TSQSIZE, in deinit_tsq()
1403 card->tsq.base, card->tsq.paddr); in deinit_tsq()
1414 if (card->tsq.next == card->tsq.last) in idt77252_tx()
1415 tsqe = card->tsq.base; in idt77252_tx()
1417 tsqe = card->tsq.next + 1; in idt77252_tx()
1419 TXPRINTK("idt77252_tx: tsq %p: base %p, next %p, last %p\n", tsqe, in idt77252_tx()
1420 card->tsq.base, card->tsq.next, card->tsq.last); in idt77252_tx()
1426 stat = le32_to_cpu(tsqe->word_2); in idt77252_tx()
1432 TXPRINTK("tsqe: 0x%p [0x%08x 0x%08x]\n", tsqe, in idt77252_tx()
1433 le32_to_cpu(tsqe->word_1), in idt77252_tx()
1434 le32_to_cpu(tsqe->word_2)); in idt77252_tx()
1438 TXPRINTK("%s: Timer RollOver detected.\n", card->name); in idt77252_tx()
1443 conn = le32_to_cpu(tsqe->word_1); in idt77252_tx()
1448 card->name, in idt77252_tx()
1449 le32_to_cpu(tsqe->word_1) & 0x1fff); in idt77252_tx()
1454 vc = card->vcs[conn & 0x1fff]; in idt77252_tx()
1457 card->name, conn & 0x1fff); in idt77252_tx()
1462 card->name, vc->index); in idt77252_tx()
1464 set_bit(VCF_IDLE, &vc->flags); in idt77252_tx()
1469 conn = le32_to_cpu(tsqe->word_1); in idt77252_tx()
1471 vc = card->vcs[conn & 0x1fff]; in idt77252_tx()
1474 card->name, in idt77252_tx()
1475 le32_to_cpu(tsqe->word_1) & 0x1fff); in idt77252_tx()
1484 conn = le32_to_cpu(tsqe->word_1); in idt77252_tx()
1489 if (vpi >= (1 << card->vpibits) || in idt77252_tx()
1490 vci >= (1 << card->vcibits)) { in idt77252_tx()
1493 card->name, vpi, vci); in idt77252_tx()
1497 vc = card->vcs[VPCI2VC(card, vpi, vci)]; in idt77252_tx()
1501 card->name, vpi, vci); in idt77252_tx()
1509 tsqe->word_2 = cpu_to_le32(SAR_TSQE_INVALID); in idt77252_tx()
1511 card->tsq.next = tsqe; in idt77252_tx()
1512 if (card->tsq.next == card->tsq.last) in idt77252_tx()
1513 tsqe = card->tsq.base; in idt77252_tx()
1515 tsqe = card->tsq.next + 1; in idt77252_tx()
1517 TXPRINTK("tsqe: %p: base %p, next %p, last %p\n", tsqe, in idt77252_tx()
1518 card->tsq.base, card->tsq.next, card->tsq.last); in idt77252_tx()
1520 stat = le32_to_cpu(tsqe->word_2); in idt77252_tx()
1524 writel((unsigned long)card->tsq.next - (unsigned long)card->tsq.base, in idt77252_tx()
1527 XPRINTK("idt77252_tx-after writel%d: TSQ head = 0x%x, tail = 0x%x, next = 0x%p.\n", in idt77252_tx()
1528 card->index, readl(SAR_REG_TSQH), in idt77252_tx()
1529 readl(SAR_REG_TSQT), card->tsq.next); in idt77252_tx()
1542 spin_lock_irqsave(&card->tst_lock, flags); in tst_timer()
1544 base = card->tst[card->tst_index]; in tst_timer()
1545 idle = card->tst[card->tst_index ^ 1]; in tst_timer()
1547 if (test_bit(TST_SWITCH_WAIT, &card->tst_state)) { in tst_timer()
1548 jump = base + card->tst_size - 2; in tst_timer()
1551 if ((pc ^ idle) & ~(card->tst_size - 1)) { in tst_timer()
1552 mod_timer(&card->tst_timer, jiffies + 1); in tst_timer()
1556 clear_bit(TST_SWITCH_WAIT, &card->tst_state); in tst_timer()
1558 card->tst_index ^= 1; in tst_timer()
1561 base = card->tst[card->tst_index]; in tst_timer()
1562 idle = card->tst[card->tst_index ^ 1]; in tst_timer()
1564 for (e = 0; e < card->tst_size - 2; e++) { in tst_timer()
1565 if (card->soft_tst[e].tste & TSTE_PUSH_IDLE) { in tst_timer()
1567 card->soft_tst[e].tste & TSTE_MASK); in tst_timer()
1568 card->soft_tst[e].tste &= ~(TSTE_PUSH_IDLE); in tst_timer()
1573 if (test_and_clear_bit(TST_SWITCH_PENDING, &card->tst_state)) { in tst_timer()
1575 for (e = 0; e < card->tst_size - 2; e++) { in tst_timer()
1576 if (card->soft_tst[e].tste & TSTE_PUSH_ACTIVE) { in tst_timer()
1578 card->soft_tst[e].tste & TSTE_MASK); in tst_timer()
1579 card->soft_tst[e].tste &= ~(TSTE_PUSH_ACTIVE); in tst_timer()
1580 card->soft_tst[e].tste |= TSTE_PUSH_IDLE; in tst_timer()
1584 jump = base + card->tst_size - 2; in tst_timer()
1587 set_bit(TST_SWITCH_WAIT, &card->tst_state); in tst_timer()
1589 mod_timer(&card->tst_timer, jiffies + 1); in tst_timer()
1593 spin_unlock_irqrestore(&card->tst_lock, flags); in tst_timer()
1605 avail = card->tst_size - 2; in __fill_tst()
1607 if (card->soft_tst[e].vc == NULL) in __fill_tst()
1611 printk("%s: No free TST entries found\n", card->name); in __fill_tst()
1612 return -1; in __fill_tst()
1616 card->name, vc ? vc->index : -1, e); in __fill_tst()
1622 data = opc | vc->index; in __fill_tst()
1624 idle = card->tst[card->tst_index ^ 1]; in __fill_tst()
1630 if ((cl >= avail) && (card->soft_tst[e].vc == NULL)) { in __fill_tst()
1632 card->soft_tst[e].vc = vc; in __fill_tst()
1634 card->soft_tst[e].vc = (void *)-1; in __fill_tst()
1636 card->soft_tst[e].tste = data; in __fill_tst()
1637 if (timer_pending(&card->tst_timer)) in __fill_tst()
1638 card->soft_tst[e].tste |= TSTE_PUSH_ACTIVE; in __fill_tst()
1641 card->soft_tst[e].tste |= TSTE_PUSH_IDLE; in __fill_tst()
1644 cl -= card->tst_size; in __fill_tst()
1645 r--; in __fill_tst()
1662 spin_lock_irqsave(&card->tst_lock, flags); in fill_tst()
1666 set_bit(TST_SWITCH_PENDING, &card->tst_state); in fill_tst()
1667 if (!timer_pending(&card->tst_timer)) in fill_tst()
1668 mod_timer(&card->tst_timer, jiffies + 1); in fill_tst()
1670 spin_unlock_irqrestore(&card->tst_lock, flags); in fill_tst()
1680 idle = card->tst[card->tst_index ^ 1]; in __clear_tst()
1682 for (e = 0; e < card->tst_size - 2; e++) { in __clear_tst()
1683 if (card->soft_tst[e].vc == vc) { in __clear_tst()
1684 card->soft_tst[e].vc = NULL; in __clear_tst()
1686 card->soft_tst[e].tste = TSTE_OPC_VAR; in __clear_tst()
1687 if (timer_pending(&card->tst_timer)) in __clear_tst()
1688 card->soft_tst[e].tste |= TSTE_PUSH_ACTIVE; in __clear_tst()
1691 card->soft_tst[e].tste |= TSTE_PUSH_IDLE; in __clear_tst()
1705 spin_lock_irqsave(&card->tst_lock, flags); in clear_tst()
1709 set_bit(TST_SWITCH_PENDING, &card->tst_state); in clear_tst()
1710 if (!timer_pending(&card->tst_timer)) in clear_tst()
1711 mod_timer(&card->tst_timer, jiffies + 1); in clear_tst()
1713 spin_unlock_irqrestore(&card->tst_lock, flags); in clear_tst()
1724 spin_lock_irqsave(&card->tst_lock, flags); in change_tst()
1729 set_bit(TST_SWITCH_PENDING, &card->tst_state); in change_tst()
1730 if (!timer_pending(&card->tst_timer)) in change_tst()
1731 mod_timer(&card->tst_timer, jiffies + 1); in change_tst()
1733 spin_unlock_irqrestore(&card->tst_lock, flags); in change_tst()
1743 tct = (unsigned long) (card->tct_base + vc->index * SAR_SRAM_TCT_SIZE); in set_tct()
1745 switch (vc->class) { in set_tct()
1748 card->name, tct, vc->scq->scd); in set_tct()
1750 write_sram(card, tct + 0, TCT_CBR | vc->scq->scd); in set_tct()
1762 card->name, tct, vc->scq->scd); in set_tct()
1764 write_sram(card, tct + 0, TCT_UBR | vc->scq->scd); in set_tct()
1769 write_sram(card, tct + 5, vc->init_er); in set_tct()
1777 return -ENOSYS; in set_tct()
1802 skb->data = skb->head; in push_rx_skb()
1804 skb->len = 0; in push_rx_skb()
1822 return -1; in push_rx_skb()
1826 return -1; in push_rx_skb()
1828 memset(&skb->data[(skb->len & ~(0x3f)) - 64], 0, 2 * sizeof(u32)); in push_rx_skb()
1833 spin_lock_irqsave(&card->cmd_lock, flags); in push_rx_skb()
1834 writel(handle, card->fbq[queue]); in push_rx_skb()
1835 writel(addr, card->fbq[queue]); in push_rx_skb()
1836 spin_unlock_irqrestore(&card->cmd_lock, flags); in push_rx_skb()
1849 while (count--) { in add_rx_skb()
1859 paddr = dma_map_single(&card->pcidev->dev, skb->data, in add_rx_skb()
1860 skb_end_pointer(skb) - skb->data, in add_rx_skb()
1862 if (dma_mapping_error(&card->pcidev->dev, paddr)) in add_rx_skb()
1875 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in add_rx_skb()
1876 skb_end_pointer(skb) - skb->data, DMA_FROM_DEVICE); in add_rx_skb()
1880 card->sbpool[POOL_QUEUE(handle)].skb[POOL_INDEX(handle)] = NULL; in add_rx_skb()
1893 dma_sync_single_for_device(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in recycle_rx_skb()
1894 skb_end_pointer(skb) - skb->data, in recycle_rx_skb()
1899 dma_unmap_single(&card->pcidev->dev, IDT77252_PRV_PADDR(skb), in recycle_rx_skb()
1900 skb_end_pointer(skb) - skb->data, in recycle_rx_skb()
1910 skb_queue_head_init(&rpp->queue); in flush_rx_pool()
1911 rpp->len = 0; in flush_rx_pool()
1919 skb_queue_walk_safe(&rpp->queue, skb, tmp) in recycle_rx_pool_skb()
1934 write_utility(dev->dev_data, 0x100 + (addr & 0x1ff), value); in idt77252_phy_put()
1940 return read_utility(dev->dev_data, 0x100 + (addr & 0x1ff)); in idt77252_phy_get()
1944 idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) in idt77252_send_skb() argument
1946 struct atm_dev *dev = vcc->dev; in idt77252_send_skb()
1947 struct idt77252_dev *card = dev->dev_data; in idt77252_send_skb()
1948 struct vc_map *vc = vcc->dev_data; in idt77252_send_skb()
1952 printk("%s: NULL connection in send().\n", card->name); in idt77252_send_skb()
1953 atomic_inc(&vcc->stats->tx_err); in idt77252_send_skb()
1955 return -EINVAL; in idt77252_send_skb()
1957 if (!test_bit(VCF_TX, &vc->flags)) { in idt77252_send_skb()
1958 printk("%s: Trying to transmit on a non-tx VC.\n", card->name); in idt77252_send_skb()
1959 atomic_inc(&vcc->stats->tx_err); in idt77252_send_skb()
1961 return -EINVAL; in idt77252_send_skb()
1964 switch (vcc->qos.aal) { in idt77252_send_skb()
1970 printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); in idt77252_send_skb()
1971 atomic_inc(&vcc->stats->tx_err); in idt77252_send_skb()
1973 return -EINVAL; in idt77252_send_skb()
1976 if (skb_shinfo(skb)->nr_frags != 0) { in idt77252_send_skb()
1977 printk("%s: No scatter-gather yet.\n", card->name); in idt77252_send_skb()
1978 atomic_inc(&vcc->stats->tx_err); in idt77252_send_skb()
1980 return -EINVAL; in idt77252_send_skb()
1982 ATM_SKB(skb)->vcc = vcc; in idt77252_send_skb()
1986 atomic_inc(&vcc->stats->tx_err); in idt77252_send_skb()
1994 static int idt77252_send(struct atm_vcc *vcc, struct sk_buff *skb) in idt77252_send() argument
1996 return idt77252_send_skb(vcc, skb, 0); in idt77252_send()
2000 idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags) in idt77252_send_oam() argument
2002 struct atm_dev *dev = vcc->dev; in idt77252_send_oam()
2003 struct idt77252_dev *card = dev->dev_data; in idt77252_send_oam()
2008 printk("%s: Out of memory in send_oam().\n", card->name); in idt77252_send_oam()
2009 atomic_inc(&vcc->stats->tx_err); in idt77252_send_oam()
2010 return -ENOMEM; in idt77252_send_oam()
2012 refcount_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); in idt77252_send_oam()
2016 return idt77252_send_skb(vcc, skb, 1); in idt77252_send_oam()
2054 e = idt77252_fls(rate) - 1; in idt77252_int_to_atmfp()
2056 m = (rate - (1 << e)) << (9 - e); in idt77252_int_to_atmfp()
2058 m = (rate - (1 << e)); in idt77252_int_to_atmfp()
2060 m = (rate - (1 << e)) >> (e - 9); in idt77252_int_to_atmfp()
2069 afp = idt77252_int_to_atmfp(pcr < 0 ? -pcr : pcr); in idt77252_rate_logindex()
2079 struct vc_map *vc = est->vc; in idt77252_est_timer()
2080 struct idt77252_dev *card = vc->card; in idt77252_est_timer()
2086 spin_lock_irqsave(&vc->lock, flags); in idt77252_est_timer()
2087 if (!vc->estimator) in idt77252_est_timer()
2089 ncells = est->cells; in idt77252_est_timer()
2091 rate = ((u32)(ncells - est->last_cells)) << (7 - est->interval); in idt77252_est_timer()
2092 est->last_cells = ncells; in idt77252_est_timer()
2093 est->avcps += ((long)rate - (long)est->avcps) >> est->ewma_log; in idt77252_est_timer()
2094 est->cps = (est->avcps + 0x1f) >> 5; in idt77252_est_timer()
2096 cps = est->cps; in idt77252_est_timer()
2097 if (cps < (est->maxcps >> 4)) in idt77252_est_timer()
2098 cps = est->maxcps >> 4; in idt77252_est_timer()
2101 if (lacr > vc->max_er) in idt77252_est_timer()
2102 lacr = vc->max_er; in idt77252_est_timer()
2104 if (lacr != vc->lacr) { in idt77252_est_timer()
2105 vc->lacr = lacr; in idt77252_est_timer()
2106 writel(TCMDQ_LACR|(vc->lacr << 16)|vc->index, SAR_REG_TCMDQ); in idt77252_est_timer()
2109 est->timer.expires = jiffies + ((HZ / 4) << est->interval); in idt77252_est_timer()
2110 add_timer(&est->timer); in idt77252_est_timer()
2113 spin_unlock_irqrestore(&vc->lock, flags); in idt77252_est_timer()
2124 est->maxcps = pcr < 0 ? -pcr : pcr; in idt77252_init_est()
2125 est->cps = est->maxcps; in idt77252_init_est()
2126 est->avcps = est->cps << 5; in idt77252_init_est()
2127 est->vc = vc; in idt77252_init_est()
2129 est->interval = 2; /* XXX: make this configurable */ in idt77252_init_est()
2130 est->ewma_log = 2; /* XXX: make this configurable */ in idt77252_init_est()
2131 timer_setup(&est->timer, idt77252_est_timer, 0); in idt77252_init_est()
2132 mod_timer(&est->timer, jiffies + ((HZ / 4) << est->interval)); in idt77252_init_est()
2139 struct atm_vcc *vcc, struct atm_qos *qos) in idt77252_init_cbr() argument
2145 if ((qos->txtp.max_pcr == 0) && in idt77252_init_cbr()
2146 (qos->txtp.pcr == 0) && (qos->txtp.min_pcr == 0)) { in idt77252_init_cbr()
2148 card->name); in idt77252_init_cbr()
2149 return -EINVAL; in idt77252_init_cbr()
2153 tst_free = card->tst_free; in idt77252_init_cbr()
2154 if (test_bit(VCF_TX, &vc->flags)) in idt77252_init_cbr()
2155 tst_used = vc->ntste; in idt77252_init_cbr()
2158 tcr = atm_pcr_goal(&qos->txtp); in idt77252_init_cbr()
2159 tcra = tcr >= 0 ? tcr : -tcr; in idt77252_init_cbr()
2161 TXPRINTK("%s: CBR target cell rate = %d\n", card->name, tcra); in idt77252_init_cbr()
2163 tmpl = (unsigned long) tcra * ((unsigned long) card->tst_size - 2); in idt77252_init_cbr()
2164 modl = tmpl % (unsigned long)card->utopia_pcr; in idt77252_init_cbr()
2166 tst_entries = (int) (tmpl / card->utopia_pcr); in idt77252_init_cbr()
2171 tst_entries = tst_free - SAR_TST_RESERVED; in idt77252_init_cbr()
2173 printk("%s: no CBR bandwidth free.\n", card->name); in idt77252_init_cbr()
2174 return -ENOSR; in idt77252_init_cbr()
2180 card->name); in idt77252_init_cbr()
2181 return -EINVAL; in idt77252_init_cbr()
2184 if (tst_entries > (tst_free - SAR_TST_RESERVED)) { in idt77252_init_cbr()
2185 printk("%s: not enough CBR bandwidth free.\n", card->name); in idt77252_init_cbr()
2186 return -ENOSR; in idt77252_init_cbr()
2189 vc->ntste = tst_entries; in idt77252_init_cbr()
2191 card->tst_free = tst_free - tst_entries; in idt77252_init_cbr()
2192 if (test_bit(VCF_TX, &vc->flags)) { in idt77252_init_cbr()
2196 OPRINTK("%s: modify %d -> %d entries in TST.\n", in idt77252_init_cbr()
2197 card->name, tst_used, tst_entries); in idt77252_init_cbr()
2202 OPRINTK("%s: setting %d entries in TST.\n", card->name, tst_entries); in idt77252_init_cbr()
2209 struct atm_vcc *vcc, struct atm_qos *qos) in idt77252_init_ubr() argument
2215 spin_lock_irqsave(&vc->lock, flags); in idt77252_init_ubr()
2216 if (vc->estimator) { in idt77252_init_ubr()
2217 est = vc->estimator; in idt77252_init_ubr()
2218 vc->estimator = NULL; in idt77252_init_ubr()
2220 spin_unlock_irqrestore(&vc->lock, flags); in idt77252_init_ubr()
2222 timer_shutdown_sync(&est->timer); in idt77252_init_ubr()
2226 tcr = atm_pcr_goal(&qos->txtp); in idt77252_init_ubr()
2228 tcr = card->link_pcr; in idt77252_init_ubr()
2230 vc->estimator = idt77252_init_est(vc, tcr); in idt77252_init_ubr()
2232 vc->class = SCHED_UBR; in idt77252_init_ubr()
2233 vc->init_er = idt77252_rate_logindex(card, tcr); in idt77252_init_ubr()
2234 vc->lacr = vc->init_er; in idt77252_init_ubr()
2236 vc->max_er = vc->init_er; in idt77252_init_ubr()
2238 vc->max_er = 0xff; in idt77252_init_ubr()
2245 struct atm_vcc *vcc, struct atm_qos *qos) in idt77252_init_tx() argument
2249 if (test_bit(VCF_TX, &vc->flags)) in idt77252_init_tx()
2250 return -EBUSY; in idt77252_init_tx()
2252 switch (qos->txtp.traffic_class) { in idt77252_init_tx()
2254 vc->class = SCHED_CBR; in idt77252_init_tx()
2258 vc->class = SCHED_UBR; in idt77252_init_tx()
2264 return -EPROTONOSUPPORT; in idt77252_init_tx()
2267 vc->scq = alloc_scq(card, vc->class); in idt77252_init_tx()
2268 if (!vc->scq) { in idt77252_init_tx()
2269 printk("%s: can't get SCQ.\n", card->name); in idt77252_init_tx()
2270 return -ENOMEM; in idt77252_init_tx()
2273 vc->scq->scd = get_free_scd(card, vc); in idt77252_init_tx()
2274 if (vc->scq->scd == 0) { in idt77252_init_tx()
2275 printk("%s: no SCD available.\n", card->name); in idt77252_init_tx()
2276 free_scq(card, vc->scq); in idt77252_init_tx()
2277 return -ENOMEM; in idt77252_init_tx()
2280 fill_scd(card, vc->scq, vc->class); in idt77252_init_tx()
2284 card->name, qos->txtp.traffic_class); in idt77252_init_tx()
2286 card->scd2vc[vc->scd_index] = NULL; in idt77252_init_tx()
2287 free_scq(card, vc->scq); in idt77252_init_tx()
2288 return -EPROTONOSUPPORT; in idt77252_init_tx()
2291 switch (vc->class) { in idt77252_init_tx()
2293 error = idt77252_init_cbr(card, vc, vcc, qos); in idt77252_init_tx()
2295 card->scd2vc[vc->scd_index] = NULL; in idt77252_init_tx()
2296 free_scq(card, vc->scq); in idt77252_init_tx()
2300 clear_bit(VCF_IDLE, &vc->flags); in idt77252_init_tx()
2301 writel(TCMDQ_START | vc->index, SAR_REG_TCMDQ); in idt77252_init_tx()
2305 error = idt77252_init_ubr(card, vc, vcc, qos); in idt77252_init_tx()
2307 card->scd2vc[vc->scd_index] = NULL; in idt77252_init_tx()
2308 free_scq(card, vc->scq); in idt77252_init_tx()
2312 set_bit(VCF_IDLE, &vc->flags); in idt77252_init_tx()
2316 vc->tx_vcc = vcc; in idt77252_init_tx()
2317 set_bit(VCF_TX, &vc->flags); in idt77252_init_tx()
2323 struct atm_vcc *vcc, struct atm_qos *qos) in idt77252_init_rx() argument
2329 if (test_bit(VCF_RX, &vc->flags)) in idt77252_init_rx()
2330 return -EBUSY; in idt77252_init_rx()
2332 vc->rx_vcc = vcc; in idt77252_init_rx()
2333 set_bit(VCF_RX, &vc->flags); in idt77252_init_rx()
2335 if ((vcc->vci == 3) || (vcc->vci == 4)) in idt77252_init_rx()
2338 flush_rx_pool(card, &vc->rcv.rx_pool); in idt77252_init_rx()
2343 switch (qos->aal) { in idt77252_init_rx()
2361 if (qos->aal != ATM_AAL5) in idt77252_init_rx()
2363 else if (qos->rxtp.max_sdu > SAR_FB_SIZE_2) in idt77252_init_rx()
2365 else if (qos->rxtp.max_sdu > SAR_FB_SIZE_1) in idt77252_init_rx()
2367 else if (qos->rxtp.max_sdu > SAR_FB_SIZE_0) in idt77252_init_rx()
2372 addr = card->rct_base + (vc->index << 2); in idt77252_init_rx()
2374 OPRINTK("%s: writing RCT at 0x%lx\n", card->name, addr); in idt77252_init_rx()
2377 spin_lock_irqsave(&card->cmd_lock, flags); in idt77252_init_rx()
2380 spin_unlock_irqrestore(&card->cmd_lock, flags); in idt77252_init_rx()
2386 idt77252_open(struct atm_vcc *vcc) in idt77252_open() argument
2388 struct atm_dev *dev = vcc->dev; in idt77252_open()
2389 struct idt77252_dev *card = dev->dev_data; in idt77252_open()
2394 int vci = vcc->vci; in idt77252_open()
2395 short vpi = vcc->vpi; in idt77252_open()
2400 if (vpi >= (1 << card->vpibits)) { in idt77252_open()
2401 printk("%s: unsupported VPI: %d\n", card->name, vpi); in idt77252_open()
2402 return -EINVAL; in idt77252_open()
2405 if (vci >= (1 << card->vcibits)) { in idt77252_open()
2406 printk("%s: unsupported VCI: %d\n", card->name, vci); in idt77252_open()
2407 return -EINVAL; in idt77252_open()
2410 set_bit(ATM_VF_ADDR, &vcc->flags); in idt77252_open()
2412 mutex_lock(&card->mutex); in idt77252_open()
2414 OPRINTK("%s: opening vpi.vci: %d.%d\n", card->name, vpi, vci); in idt77252_open()
2416 switch (vcc->qos.aal) { in idt77252_open()
2422 printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); in idt77252_open()
2423 mutex_unlock(&card->mutex); in idt77252_open()
2424 return -EPROTONOSUPPORT; in idt77252_open()
2428 if (!card->vcs[index]) { in idt77252_open()
2429 card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL); in idt77252_open()
2430 if (!card->vcs[index]) { in idt77252_open()
2431 printk("%s: can't alloc vc in open()\n", card->name); in idt77252_open()
2432 mutex_unlock(&card->mutex); in idt77252_open()
2433 return -ENOMEM; in idt77252_open()
2435 card->vcs[index]->card = card; in idt77252_open()
2436 card->vcs[index]->index = index; in idt77252_open()
2438 spin_lock_init(&card->vcs[index]->lock); in idt77252_open()
2440 vc = card->vcs[index]; in idt77252_open()
2442 vcc->dev_data = vc; in idt77252_open()
2445 card->name, vc->index, vcc->vpi, vcc->vci, in idt77252_open()
2446 vcc->qos.rxtp.traffic_class != ATM_NONE ? "rx" : "--", in idt77252_open()
2447 vcc->qos.txtp.traffic_class != ATM_NONE ? "tx" : "--", in idt77252_open()
2448 vcc->qos.rxtp.max_sdu); in idt77252_open()
2451 if (vcc->qos.txtp.traffic_class != ATM_NONE && in idt77252_open()
2452 test_bit(VCF_TX, &vc->flags)) in idt77252_open()
2454 if (vcc->qos.rxtp.traffic_class != ATM_NONE && in idt77252_open()
2455 test_bit(VCF_RX, &vc->flags)) in idt77252_open()
2459 printk("%s: %s vci already in use.\n", card->name, in idt77252_open()
2461 mutex_unlock(&card->mutex); in idt77252_open()
2462 return -EADDRINUSE; in idt77252_open()
2465 if (vcc->qos.txtp.traffic_class != ATM_NONE) { in idt77252_open()
2466 error = idt77252_init_tx(card, vc, vcc, &vcc->qos); in idt77252_open()
2468 mutex_unlock(&card->mutex); in idt77252_open()
2473 if (vcc->qos.rxtp.traffic_class != ATM_NONE) { in idt77252_open()
2474 error = idt77252_init_rx(card, vc, vcc, &vcc->qos); in idt77252_open()
2476 mutex_unlock(&card->mutex); in idt77252_open()
2481 set_bit(ATM_VF_READY, &vcc->flags); in idt77252_open()
2483 mutex_unlock(&card->mutex); in idt77252_open()
2488 idt77252_close(struct atm_vcc *vcc) in idt77252_close() argument
2490 struct atm_dev *dev = vcc->dev; in idt77252_close()
2491 struct idt77252_dev *card = dev->dev_data; in idt77252_close()
2492 struct vc_map *vc = vcc->dev_data; in idt77252_close()
2497 mutex_lock(&card->mutex); in idt77252_close()
2500 card->name, vc->index, vcc->vpi, vcc->vci); in idt77252_close()
2502 clear_bit(ATM_VF_READY, &vcc->flags); in idt77252_close()
2504 if (vcc->qos.rxtp.traffic_class != ATM_NONE) { in idt77252_close()
2506 spin_lock_irqsave(&vc->lock, flags); in idt77252_close()
2507 clear_bit(VCF_RX, &vc->flags); in idt77252_close()
2508 vc->rx_vcc = NULL; in idt77252_close()
2509 spin_unlock_irqrestore(&vc->lock, flags); in idt77252_close()
2511 if ((vcc->vci == 3) || (vcc->vci == 4)) in idt77252_close()
2514 addr = card->rct_base + vc->index * SAR_SRAM_RCT_SIZE; in idt77252_close()
2516 spin_lock_irqsave(&card->cmd_lock, flags); in idt77252_close()
2519 spin_unlock_irqrestore(&card->cmd_lock, flags); in idt77252_close()
2521 if (skb_queue_len(&vc->rcv.rx_pool.queue) != 0) { in idt77252_close()
2523 card->name); in idt77252_close()
2525 recycle_rx_pool_skb(card, &vc->rcv.rx_pool); in idt77252_close()
2530 if (vcc->qos.txtp.traffic_class != ATM_NONE) { in idt77252_close()
2532 spin_lock_irqsave(&vc->lock, flags); in idt77252_close()
2533 clear_bit(VCF_TX, &vc->flags); in idt77252_close()
2534 clear_bit(VCF_IDLE, &vc->flags); in idt77252_close()
2535 clear_bit(VCF_RSV, &vc->flags); in idt77252_close()
2536 vc->tx_vcc = NULL; in idt77252_close()
2538 if (vc->estimator) { in idt77252_close()
2539 timer_shutdown(&vc->estimator->timer); in idt77252_close()
2540 kfree(vc->estimator); in idt77252_close()
2541 vc->estimator = NULL; in idt77252_close()
2543 spin_unlock_irqrestore(&vc->lock, flags); in idt77252_close()
2546 while (atomic_read(&vc->scq->used) > 0) { in idt77252_close()
2550 card->name, atomic_read(&vc->scq->used)); in idt77252_close()
2555 writel(TCMDQ_HALT | vc->index, SAR_REG_TCMDQ); in idt77252_close()
2556 clear_scd(card, vc->scq, vc->class); in idt77252_close()
2558 if (vc->class == SCHED_CBR) { in idt77252_close()
2560 card->tst_free += vc->ntste; in idt77252_close()
2561 vc->ntste = 0; in idt77252_close()
2564 card->scd2vc[vc->scd_index] = NULL; in idt77252_close()
2565 free_scq(card, vc->scq); in idt77252_close()
2568 mutex_unlock(&card->mutex); in idt77252_close()
2572 idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags) in idt77252_change_qos() argument
2574 struct atm_dev *dev = vcc->dev; in idt77252_change_qos()
2575 struct idt77252_dev *card = dev->dev_data; in idt77252_change_qos()
2576 struct vc_map *vc = vcc->dev_data; in idt77252_change_qos()
2579 mutex_lock(&card->mutex); in idt77252_change_qos()
2581 if (qos->txtp.traffic_class != ATM_NONE) { in idt77252_change_qos()
2582 if (!test_bit(VCF_TX, &vc->flags)) { in idt77252_change_qos()
2583 error = idt77252_init_tx(card, vc, vcc, qos); in idt77252_change_qos()
2587 switch (qos->txtp.traffic_class) { in idt77252_change_qos()
2589 error = idt77252_init_cbr(card, vc, vcc, qos); in idt77252_change_qos()
2595 error = idt77252_init_ubr(card, vc, vcc, qos); in idt77252_change_qos()
2599 if (!test_bit(VCF_IDLE, &vc->flags)) { in idt77252_change_qos()
2600 writel(TCMDQ_LACR | (vc->lacr << 16) | in idt77252_change_qos()
2601 vc->index, SAR_REG_TCMDQ); in idt77252_change_qos()
2607 error = -EOPNOTSUPP; in idt77252_change_qos()
2613 if ((qos->rxtp.traffic_class != ATM_NONE) && in idt77252_change_qos()
2614 !test_bit(VCF_RX, &vc->flags)) { in idt77252_change_qos()
2615 error = idt77252_init_rx(card, vc, vcc, qos); in idt77252_change_qos()
2620 memcpy(&vcc->qos, qos, sizeof(struct atm_qos)); in idt77252_change_qos()
2622 set_bit(ATM_VF_HASQOS, &vcc->flags); in idt77252_change_qos()
2625 mutex_unlock(&card->mutex); in idt77252_change_qos()
2632 struct idt77252_dev *card = dev->dev_data; in idt77252_proc_read()
2636 if (!left--) in idt77252_proc_read()
2638 if (!left--) in idt77252_proc_read()
2639 return sprintf(page, "TSIF: %lu\n", card->irqstat[15]); in idt77252_proc_read()
2640 if (!left--) in idt77252_proc_read()
2641 return sprintf(page, "TXICP: %lu\n", card->irqstat[14]); in idt77252_proc_read()
2642 if (!left--) in idt77252_proc_read()
2643 return sprintf(page, "TSQF: %lu\n", card->irqstat[12]); in idt77252_proc_read()
2644 if (!left--) in idt77252_proc_read()
2645 return sprintf(page, "TMROF: %lu\n", card->irqstat[11]); in idt77252_proc_read()
2646 if (!left--) in idt77252_proc_read()
2647 return sprintf(page, "PHYI: %lu\n", card->irqstat[10]); in idt77252_proc_read()
2648 if (!left--) in idt77252_proc_read()
2649 return sprintf(page, "FBQ3A: %lu\n", card->irqstat[8]); in idt77252_proc_read()
2650 if (!left--) in idt77252_proc_read()
2651 return sprintf(page, "FBQ2A: %lu\n", card->irqstat[7]); in idt77252_proc_read()
2652 if (!left--) in idt77252_proc_read()
2653 return sprintf(page, "RSQF: %lu\n", card->irqstat[6]); in idt77252_proc_read()
2654 if (!left--) in idt77252_proc_read()
2655 return sprintf(page, "EPDU: %lu\n", card->irqstat[5]); in idt77252_proc_read()
2656 if (!left--) in idt77252_proc_read()
2657 return sprintf(page, "RAWCF: %lu\n", card->irqstat[4]); in idt77252_proc_read()
2658 if (!left--) in idt77252_proc_read()
2659 return sprintf(page, "FBQ1A: %lu\n", card->irqstat[3]); in idt77252_proc_read()
2660 if (!left--) in idt77252_proc_read()
2661 return sprintf(page, "FBQ0A: %lu\n", card->irqstat[2]); in idt77252_proc_read()
2662 if (!left--) in idt77252_proc_read()
2663 return sprintf(page, "RSQAF: %lu\n", card->irqstat[1]); in idt77252_proc_read()
2664 if (!left--) in idt77252_proc_read()
2667 for (i = 0; i < card->tct_size; i++) { in idt77252_proc_read()
2669 struct atm_vcc *vcc; in idt77252_proc_read() local
2671 char *p; in idt77252_proc_read() local
2673 vc = card->vcs[i]; in idt77252_proc_read()
2677 vcc = NULL; in idt77252_proc_read()
2678 if (vc->tx_vcc) in idt77252_proc_read()
2679 vcc = vc->tx_vcc; in idt77252_proc_read()
2680 if (!vcc) in idt77252_proc_read()
2682 if (left--) in idt77252_proc_read()
2685 p = page; in idt77252_proc_read()
2686 p += sprintf(p, " %4u: %u.%u: ", i, vcc->vpi, vcc->vci); in idt77252_proc_read()
2687 tct = (unsigned long) (card->tct_base + i * SAR_SRAM_TCT_SIZE); in idt77252_proc_read()
2690 p += sprintf(p, " %08x", read_sram(card, tct + i)); in idt77252_proc_read()
2691 p += sprintf(p, "\n"); in idt77252_proc_read()
2692 return p - page; in idt77252_proc_read()
2722 if (test_and_set_bit(IDT77252_BIT_INTERRUPT, &card->flags)) { in idt77252_interrupt()
2723 printk("%s: Re-entering irq_handler()\n", card->name); in idt77252_interrupt()
2730 INTPRINTK("%s: TSIF\n", card->name); in idt77252_interrupt()
2731 card->irqstat[15]++; in idt77252_interrupt()
2734 if (stat & SAR_STAT_TXICP) { /* Incomplete CS-PDU has */ in idt77252_interrupt()
2735 INTPRINTK("%s: TXICP\n", card->name); in idt77252_interrupt()
2736 card->irqstat[14]++; in idt77252_interrupt()
2742 INTPRINTK("%s: TSQF\n", card->name); in idt77252_interrupt()
2743 card->irqstat[12]++; in idt77252_interrupt()
2747 INTPRINTK("%s: TMROF\n", card->name); in idt77252_interrupt()
2748 card->irqstat[11]++; in idt77252_interrupt()
2752 if (stat & SAR_STAT_EPDU) { /* Got complete CS-PDU */ in idt77252_interrupt()
2753 INTPRINTK("%s: EPDU\n", card->name); in idt77252_interrupt()
2754 card->irqstat[5]++; in idt77252_interrupt()
2758 INTPRINTK("%s: RSQAF\n", card->name); in idt77252_interrupt()
2759 card->irqstat[1]++; in idt77252_interrupt()
2763 INTPRINTK("%s: RSQF\n", card->name); in idt77252_interrupt()
2764 card->irqstat[6]++; in idt77252_interrupt()
2768 INTPRINTK("%s: RAWCF\n", card->name); in idt77252_interrupt()
2769 card->irqstat[4]++; in idt77252_interrupt()
2774 INTPRINTK("%s: PHYI", card->name); in idt77252_interrupt()
2775 card->irqstat[10]++; in idt77252_interrupt()
2776 if (card->atmdev->phy && card->atmdev->phy->interrupt) in idt77252_interrupt()
2777 card->atmdev->phy->interrupt(card->atmdev); in idt77252_interrupt()
2785 INTPRINTK("%s: FBQA: %04x\n", card->name, stat); in idt77252_interrupt()
2788 card->irqstat[2]++; in idt77252_interrupt()
2790 card->irqstat[3]++; in idt77252_interrupt()
2792 card->irqstat[7]++; in idt77252_interrupt()
2794 card->irqstat[8]++; in idt77252_interrupt()
2796 schedule_work(&card->tqueue); in idt77252_interrupt()
2800 clear_bit(IDT77252_BIT_INTERRUPT, &card->flags); in idt77252_interrupt()
2856 for (vpi = 0; vpi < (1 << card->vpibits); vpi++) { in open_card_oam()
2862 printk("%s: can't alloc vc\n", card->name); in open_card_oam()
2863 return -ENOMEM; in open_card_oam()
2865 vc->index = index; in open_card_oam()
2866 card->vcs[index] = vc; in open_card_oam()
2868 flush_rx_pool(card, &vc->rcv.rx_pool); in open_card_oam()
2875 addr = card->rct_base + (vc->index << 2); in open_card_oam()
2878 spin_lock_irqsave(&card->cmd_lock, flags); in open_card_oam()
2882 spin_unlock_irqrestore(&card->cmd_lock, flags); in open_card_oam()
2898 for (vpi = 0; vpi < (1 << card->vpibits); vpi++) { in close_card_oam()
2901 vc = card->vcs[index]; in close_card_oam()
2903 addr = card->rct_base + vc->index * SAR_SRAM_RCT_SIZE; in close_card_oam()
2905 spin_lock_irqsave(&card->cmd_lock, flags); in close_card_oam()
2909 spin_unlock_irqrestore(&card->cmd_lock, flags); in close_card_oam()
2911 if (skb_queue_len(&vc->rcv.rx_pool.queue) != 0) { in close_card_oam()
2914 card->name); in close_card_oam()
2916 recycle_rx_pool_skb(card, &vc->rcv.rx_pool); in close_card_oam()
2930 printk("%s: can't alloc vc\n", card->name); in open_card_ubr0()
2931 return -ENOMEM; in open_card_ubr0()
2933 card->vcs[0] = vc; in open_card_ubr0()
2934 vc->class = SCHED_UBR0; in open_card_ubr0()
2936 vc->scq = alloc_scq(card, vc->class); in open_card_ubr0()
2937 if (!vc->scq) { in open_card_ubr0()
2938 printk("%s: can't get SCQ.\n", card->name); in open_card_ubr0()
2939 kfree(card->vcs[0]); in open_card_ubr0()
2940 card->vcs[0] = NULL; in open_card_ubr0()
2941 return -ENOMEM; in open_card_ubr0()
2944 card->scd2vc[0] = vc; in open_card_ubr0()
2945 vc->scd_index = 0; in open_card_ubr0()
2946 vc->scq->scd = card->scd_base; in open_card_ubr0()
2948 fill_scd(card, vc->scq, vc->class); in open_card_ubr0()
2950 write_sram(card, card->tct_base + 0, TCT_UBR | card->scd_base); in open_card_ubr0()
2951 write_sram(card, card->tct_base + 1, 0); in open_card_ubr0()
2952 write_sram(card, card->tct_base + 2, 0); in open_card_ubr0()
2953 write_sram(card, card->tct_base + 3, 0); in open_card_ubr0()
2954 write_sram(card, card->tct_base + 4, 0); in open_card_ubr0()
2955 write_sram(card, card->tct_base + 5, 0); in open_card_ubr0()
2956 write_sram(card, card->tct_base + 6, 0); in open_card_ubr0()
2957 write_sram(card, card->tct_base + 7, TCT_FLAG_UBR); in open_card_ubr0()
2959 clear_bit(VCF_IDLE, &vc->flags); in open_card_ubr0()
2967 struct vc_map *vc = card->vcs[0]; in close_card_ubr0()
2969 free_scq(card, vc->scq); in close_card_ubr0()
2978 if (!test_bit(IDT77252_BIT_INIT, &card->flags)) { in idt77252_dev_open()
2979 printk("%s: SAR not yet initialized.\n", card->name); in idt77252_dev_open()
2980 return -1; in idt77252_dev_open()
3004 printk("%s: Error initializing OAM.\n", card->name); in idt77252_dev_open()
3005 return -1; in idt77252_dev_open()
3009 printk("%s: Error initializing UBR0.\n", card->name); in idt77252_dev_open()
3010 return -1; in idt77252_dev_open()
3013 IPRINTK("%s: opened IDT77252 ABR SAR.\n", card->name); in idt77252_dev_open()
3019 struct idt77252_dev *card = dev->dev_data; in idt77252_dev_close()
3039 DIPRINTK("%s: closed IDT77252 ABR SAR.\n", card->name); in idt77252_dev_close()
3056 if (!test_bit(IDT77252_BIT_INIT, &card->flags)) { in deinit_card()
3057 printk("%s: SAR not yet initialized.\n", card->name); in deinit_card()
3060 DIPRINTK("idt77252: deinitialize card %u\n", card->index); in deinit_card()
3064 if (card->atmdev) in deinit_card()
3065 atm_dev_deregister(card->atmdev); in deinit_card()
3069 skb = card->sbpool[i].skb[j]; in deinit_card()
3071 dma_unmap_single(&card->pcidev->dev, in deinit_card()
3073 (skb_end_pointer(skb) - in deinit_card()
3074 skb->data), in deinit_card()
3076 card->sbpool[i].skb[j] = NULL; in deinit_card()
3082 vfree(card->soft_tst); in deinit_card()
3084 vfree(card->scd2vc); in deinit_card()
3086 vfree(card->vcs); in deinit_card()
3088 if (card->raw_cell_hnd) { in deinit_card()
3089 dma_free_coherent(&card->pcidev->dev, 2 * sizeof(u32), in deinit_card()
3090 card->raw_cell_hnd, card->raw_cell_paddr); in deinit_card()
3093 if (card->rsq.base) { in deinit_card()
3094 DIPRINTK("%s: Release RSQ ...\n", card->name); in deinit_card()
3098 if (card->tsq.base) { in deinit_card()
3099 DIPRINTK("%s: Release TSQ ...\n", card->name); in deinit_card()
3104 free_irq(card->pcidev->irq, card); in deinit_card()
3107 if (card->fbq[i]) in deinit_card()
3108 iounmap(card->fbq[i]); in deinit_card()
3111 if (card->membase) in deinit_card()
3112 iounmap(card->membase); in deinit_card()
3114 clear_bit(IDT77252_BIT_INIT, &card->flags); in deinit_card()
3115 DIPRINTK("%s: Card deinitialized.\n", card->name); in deinit_card()
3123 for (i = 0; i < card->sramsize; i += 4) in init_sram()
3127 if (card->sramsize == (512 * 1024)) { in init_sram()
3128 card->tct_base = SAR_SRAM_TCT_128_BASE; in init_sram()
3129 card->tct_size = (SAR_SRAM_TCT_128_TOP - card->tct_base + 1) in init_sram()
3131 card->rct_base = SAR_SRAM_RCT_128_BASE; in init_sram()
3132 card->rct_size = (SAR_SRAM_RCT_128_TOP - card->rct_base + 1) in init_sram()
3134 card->rt_base = SAR_SRAM_RT_128_BASE; in init_sram()
3135 card->scd_base = SAR_SRAM_SCD_128_BASE; in init_sram()
3136 card->scd_size = (SAR_SRAM_SCD_128_TOP - card->scd_base + 1) in init_sram()
3138 card->tst[0] = SAR_SRAM_TST1_128_BASE; in init_sram()
3139 card->tst[1] = SAR_SRAM_TST2_128_BASE; in init_sram()
3140 card->tst_size = SAR_SRAM_TST1_128_TOP - card->tst[0] + 1; in init_sram()
3141 card->abrst_base = SAR_SRAM_ABRSTD_128_BASE; in init_sram()
3142 card->abrst_size = SAR_ABRSTD_SIZE_8K; in init_sram()
3143 card->fifo_base = SAR_SRAM_FIFO_128_BASE; in init_sram()
3144 card->fifo_size = SAR_RXFD_SIZE_32K; in init_sram()
3146 card->tct_base = SAR_SRAM_TCT_32_BASE; in init_sram()
3147 card->tct_size = (SAR_SRAM_TCT_32_TOP - card->tct_base + 1) in init_sram()
3149 card->rct_base = SAR_SRAM_RCT_32_BASE; in init_sram()
3150 card->rct_size = (SAR_SRAM_RCT_32_TOP - card->rct_base + 1) in init_sram()
3152 card->rt_base = SAR_SRAM_RT_32_BASE; in init_sram()
3153 card->scd_base = SAR_SRAM_SCD_32_BASE; in init_sram()
3154 card->scd_size = (SAR_SRAM_SCD_32_TOP - card->scd_base + 1) in init_sram()
3156 card->tst[0] = SAR_SRAM_TST1_32_BASE; in init_sram()
3157 card->tst[1] = SAR_SRAM_TST2_32_BASE; in init_sram()
3158 card->tst_size = (SAR_SRAM_TST1_32_TOP - card->tst[0] + 1); in init_sram()
3159 card->abrst_base = SAR_SRAM_ABRSTD_32_BASE; in init_sram()
3160 card->abrst_size = SAR_ABRSTD_SIZE_1K; in init_sram()
3161 card->fifo_base = SAR_SRAM_FIFO_32_BASE; in init_sram()
3162 card->fifo_size = SAR_RXFD_SIZE_4K; in init_sram()
3166 for (i = 0; i < card->tct_size; i++) { in init_sram()
3178 for (i = 0; i < card->rct_size; i++) { in init_sram()
3179 write_sram(card, card->rct_base + i * SAR_SRAM_RCT_SIZE, in init_sram()
3181 write_sram(card, card->rct_base + i * SAR_SRAM_RCT_SIZE + 1, in init_sram()
3183 write_sram(card, card->rct_base + i * SAR_SRAM_RCT_SIZE + 2, in init_sram()
3185 write_sram(card, card->rct_base + i * SAR_SRAM_RCT_SIZE + 3, in init_sram()
3196 write_sram(card, card->rt_base + i, log_to_rate[i]); in init_sram()
3206 write_sram(card, card->rt_base + 256 + i, tmp); in init_sram()
3215 write_sram(card, card->rt_base + 512 + i, tmp); in init_sram()
3223 write_sram(card, card->rt_base + 640 + i, tmp); in init_sram()
3227 IPRINTK("%s: initialize rate table ...\n", card->name); in init_sram()
3228 writel(card->rt_base << 2, SAR_REG_RTBL); in init_sram()
3231 IPRINTK("%s: initialize TST ...\n", card->name); in init_sram()
3232 card->tst_free = card->tst_size - 2; /* last two are jumps */ in init_sram()
3234 for (i = card->tst[0]; i < card->tst[0] + card->tst_size - 2; i++) in init_sram()
3236 write_sram(card, i++, TSTE_OPC_JMP | (card->tst[0] << 2)); in init_sram()
3238 write_sram(card, i++, TSTE_OPC_JMP | (card->tst[1] << 2)); in init_sram()
3240 for (i = card->tst[1]; i < card->tst[1] + card->tst_size - 2; i++) in init_sram()
3242 write_sram(card, i++, TSTE_OPC_JMP | (card->tst[1] << 2)); in init_sram()
3244 write_sram(card, i++, TSTE_OPC_JMP | (card->tst[0] << 2)); in init_sram()
3247 card->tst_index = 0; in init_sram()
3248 writel(card->tst[0] << 2, SAR_REG_TSTB); in init_sram()
3251 IPRINTK("%s: initialize ABRSTD ...\n", card->name); in init_sram()
3252 writel(card->abrst_size | (card->abrst_base << 2), in init_sram()
3255 IPRINTK("%s: initialize receive fifo ...\n", card->name); in init_sram()
3256 writel(card->fifo_size | (card->fifo_base << 2), in init_sram()
3259 IPRINTK("%s: SRAM initialization complete.\n", card->name); in init_sram()
3264 struct idt77252_dev *card = dev->dev_data; in init_card()
3265 struct pci_dev *pcidev = card->pcidev; in init_card()
3277 if (test_bit(IDT77252_BIT_INIT, &card->flags)) { in init_card()
3279 return -1; in init_card()
3283 /* P C I C O N F I G U R A T I O N */ in init_card()
3286 /* Set PCI Retry-Timeout and TRDY timeout */ in init_card()
3287 IPRINTK("%s: Checking PCI retries.\n", card->name); in init_card()
3289 printk("%s: can't read PCI retry timeout.\n", card->name); in init_card()
3291 return -1; in init_card()
3295 card->name, pci_byte); in init_card()
3298 card->name); in init_card()
3300 return -1; in init_card()
3303 IPRINTK("%s: Checking PCI TRDY.\n", card->name); in init_card()
3305 printk("%s: can't read PCI TRDY timeout.\n", card->name); in init_card()
3307 return -1; in init_card()
3311 card->name, pci_byte); in init_card()
3313 printk("%s: can't set PCI TRDY timeout.\n", card->name); in init_card()
3315 return -1; in init_card()
3320 printk("%s: resetting timer overflow.\n", card->name); in init_card()
3323 IPRINTK("%s: Request IRQ ... ", card->name); in init_card()
3324 if (request_irq(pcidev->irq, idt77252_interrupt, IRQF_SHARED, in init_card()
3325 card->name, card) != 0) { in init_card()
3326 printk("%s: can't allocate IRQ.\n", card->name); in init_card()
3328 return -1; in init_card()
3330 IPRINTK("got %d.\n", pcidev->irq); in init_card()
3336 IPRINTK("%s: Initializing SRAM\n", card->name); in init_card()
3347 if (card->sramsize == (512 * 1024)) in init_card()
3378 return -1; in init_card()
3383 return -1; in init_card()
3386 card->vpibits = vpibits; in init_card()
3387 if (card->sramsize == (512 * 1024)) { in init_card()
3388 card->vcibits = 10 - card->vpibits; in init_card()
3390 card->vcibits = 9 - card->vpibits; in init_card()
3393 card->vcimask = 0; in init_card()
3394 for (k = 0, i = 1; k < card->vcibits; k++) { in init_card()
3395 card->vcimask |= i; in init_card()
3399 IPRINTK("%s: Setting VPI/VCI mask to zero.\n", card->name); in init_card()
3406 card->raw_cell_hnd = dma_alloc_coherent(&card->pcidev->dev, in init_card()
3408 &card->raw_cell_paddr, in init_card()
3410 if (!card->raw_cell_hnd) { in init_card()
3411 printk("%s: memory allocation failure.\n", card->name); in init_card()
3413 return -1; in init_card()
3415 writel(card->raw_cell_paddr, SAR_REG_RAWHND); in init_card()
3416 IPRINTK("%s: raw cell handle is at 0x%p.\n", card->name, in init_card()
3417 card->raw_cell_hnd); in init_card()
3419 size = sizeof(struct vc_map *) * card->tct_size; in init_card()
3420 IPRINTK("%s: allocate %d byte for VC map.\n", card->name, size); in init_card()
3421 card->vcs = vzalloc(size); in init_card()
3422 if (!card->vcs) { in init_card()
3423 printk("%s: memory allocation failure.\n", card->name); in init_card()
3425 return -1; in init_card()
3428 size = sizeof(struct vc_map *) * card->scd_size; in init_card()
3430 card->name, size); in init_card()
3431 card->scd2vc = vzalloc(size); in init_card()
3432 if (!card->scd2vc) { in init_card()
3433 printk("%s: memory allocation failure.\n", card->name); in init_card()
3435 return -1; in init_card()
3438 size = sizeof(struct tst_info) * (card->tst_size - 2); in init_card()
3440 card->name, size); in init_card()
3441 card->soft_tst = vmalloc(size); in init_card()
3442 if (!card->soft_tst) { in init_card()
3443 printk("%s: memory allocation failure.\n", card->name); in init_card()
3445 return -1; in init_card()
3447 for (i = 0; i < card->tst_size - 2; i++) { in init_card()
3448 card->soft_tst[i].tste = TSTE_OPC_VAR; in init_card()
3449 card->soft_tst[i].vc = NULL; in init_card()
3452 if (dev->phy == NULL) { in init_card()
3453 printk("%s: No LT device defined.\n", card->name); in init_card()
3455 return -1; in init_card()
3457 if (dev->phy->ioctl == NULL) { in init_card()
3458 printk("%s: LT had no IOCTL function defined.\n", card->name); in init_card()
3460 return -1; in init_card()
3476 card->link_pcr = (linkrate / 8 / 53); in init_card()
3478 card->name, linkrate, card->link_pcr); in init_card()
3481 card->utopia_pcr = card->link_pcr; in init_card()
3483 card->utopia_pcr = (160000000 / 8 / 54); in init_card()
3487 if (card->utopia_pcr > card->link_pcr) in init_card()
3488 rsvdcr = card->utopia_pcr - card->link_pcr; in init_card()
3490 tmpl = (unsigned long) rsvdcr * ((unsigned long) card->tst_size - 2); in init_card()
3491 modl = tmpl % (unsigned long)card->utopia_pcr; in init_card()
3492 tst_entries = (int) (tmpl / (unsigned long)card->utopia_pcr); in init_card()
3495 card->tst_free -= tst_entries; in init_card()
3500 printk("%s: EEPROM: %02x:", card->name, in init_card()
3514 sprintf(tname, "eth%d", card->index); in init_card()
3517 memcpy(card->atmdev->esi, tmp->dev_addr, 6); in init_card()
3519 printk("%s: ESI %pM\n", card->name, card->atmdev->esi); in init_card()
3528 set_bit(IDT77252_BIT_INIT, &card->flags); in init_card()
3530 XPRINTK("%s: IDT77252 ABR SAR initialization complete.\n", card->name); in init_card()
3547 /* P C I C O N F I G U R A T I O N */ in idt77252_preset()
3551 card->name); in idt77252_preset()
3552 if (pci_read_config_word(card->pcidev, PCI_COMMAND, &pci_command)) { in idt77252_preset()
3553 printk("%s: can't read PCI_COMMAND.\n", card->name); in idt77252_preset()
3555 return -1; in idt77252_preset()
3559 card->name, pci_command); in idt77252_preset()
3561 return (-1); in idt77252_preset()
3564 if (pci_write_config_word(card->pcidev, PCI_COMMAND, pci_command)) { in idt77252_preset()
3565 printk("%s: can't write PCI_COMMAND.\n", card->name); in idt77252_preset()
3567 return -1; in idt77252_preset()
3578 IPRINTK("%s: Software resetted.\n", card->name); in idt77252_preset()
3621 if ((err = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)))) { in idt77252_init_one()
3628 printk("idt77252-%d: can't allocate private data\n", index); in idt77252_init_one()
3629 err = -ENOMEM; in idt77252_init_one()
3632 card->revision = pcidev->revision; in idt77252_init_one()
3633 card->index = index; in idt77252_init_one()
3634 card->pcidev = pcidev; in idt77252_init_one()
3635 sprintf(card->name, "idt77252-%d", card->index); in idt77252_init_one()
3637 INIT_WORK(&card->tqueue, idt77252_softint); in idt77252_init_one()
3642 mutex_init(&card->mutex); in idt77252_init_one()
3643 spin_lock_init(&card->cmd_lock); in idt77252_init_one()
3644 spin_lock_init(&card->tst_lock); in idt77252_init_one()
3646 timer_setup(&card->tst_timer, tst_timer, 0); in idt77252_init_one()
3649 card->membase = ioremap(membase, 1024); in idt77252_init_one()
3650 if (!card->membase) { in idt77252_init_one()
3651 printk("%s: can't ioremap() membase\n", card->name); in idt77252_init_one()
3652 err = -EIO; in idt77252_init_one()
3657 printk("%s: preset failed\n", card->name); in idt77252_init_one()
3658 err = -EIO; in idt77252_init_one()
3662 dev = atm_dev_register("idt77252", &pcidev->dev, &idt77252_ops, -1, in idt77252_init_one()
3665 printk("%s: can't register atm device\n", card->name); in idt77252_init_one()
3666 err = -EIO; in idt77252_init_one()
3669 dev->dev_data = card; in idt77252_init_one()
3670 card->atmdev = dev; in idt77252_init_one()
3674 if (!dev->phy) { in idt77252_init_one()
3675 printk("%s: can't init SUNI\n", card->name); in idt77252_init_one()
3676 err = -EIO; in idt77252_init_one()
3681 card->sramsize = probe_sram(card); in idt77252_init_one()
3684 card->fbq[i] = ioremap(srambase | 0x200000 | (i << 18), 4); in idt77252_init_one()
3685 if (!card->fbq[i]) { in idt77252_init_one()
3686 printk("%s: can't ioremap() FBQ%d\n", card->name, i); in idt77252_init_one()
3687 err = -EIO; in idt77252_init_one()
3693 card->name, ((card->revision > 1) && (card->revision < 25)) ? in idt77252_init_one()
3694 'A' + card->revision - 1 : '?', membase, srambase, in idt77252_init_one()
3695 card->sramsize / 1024); in idt77252_init_one()
3698 printk("%s: init_card failed\n", card->name); in idt77252_init_one()
3699 err = -EIO; in idt77252_init_one()
3703 dev->ci_range.vpi_bits = card->vpibits; in idt77252_init_one()
3704 dev->ci_range.vci_bits = card->vcibits; in idt77252_init_one()
3705 dev->link_rate = card->link_pcr; in idt77252_init_one()
3707 if (dev->phy->start) in idt77252_init_one()
3708 dev->phy->start(dev); in idt77252_init_one()
3711 printk("%s: dev_open failed\n", card->name); in idt77252_init_one()
3712 err = -EIO; in idt77252_init_one()
3717 last = &card->next; in idt77252_init_one()
3723 if (dev->phy->stop) in idt77252_init_one()
3724 dev->phy->stop(dev); in idt77252_init_one()
3730 iounmap(card->membase); in idt77252_init_one()
3758 printk("%s: at %p\n", __func__, idt77252_init); in idt77252_init()
3759 BUILD_BUG_ON(sizeof(skb->cb) < sizeof(struct idt77252_skb_prv) + sizeof(struct atm_skb_data)); in idt77252_init()
3772 dev = card->atmdev; in idt77252_exit()
3773 idt77252_chain = card->next; in idt77252_exit()
3774 timer_shutdown_sync(&card->tst_timer); in idt77252_exit()
3776 if (dev->phy->stop) in idt77252_exit()
3777 dev->phy->stop(dev); in idt77252_exit()
3779 pci_disable_device(card->pcidev); in idt77252_exit()
3783 DIPRINTK("idt77252: finished cleanup-module().\n"); in idt77252_exit()