--- zzzz-none-000/linux-3.10.107/drivers/net/ethernet/via/via-velocity.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/ethernet/via/via-velocity.c 2021-02-04 17:41:59.000000000 +0000 @@ -46,6 +46,7 @@ #include #include #include +#include #include #include #include @@ -64,7 +65,11 @@ #include #include #include +#include +#include +#include #include +#include #include #include #include @@ -79,10 +84,24 @@ #include "via-velocity.h" +enum velocity_bus_type { + BUS_PCI, + BUS_PLATFORM, +}; static int velocity_nics; static int msglevel = MSG_LEVEL_INFO; +static void velocity_set_power_state(struct velocity_info *vptr, char state) +{ + void *addr = vptr->mac_regs; + + if (vptr->pdev) + pci_set_power_state(vptr->pdev, state); + else + writeb(state, addr + 0x154); +} + /** * mac_get_cam_mask - Read a CAM mask * @regs: register block for this velocity @@ -326,13 +345,6 @@ */ VELOCITY_PARAM(speed_duplex, "Setting the speed and duplex mode"); -#define VAL_PKT_LEN_DEF 0 -/* ValPktLen[] is used for setting the checksum offload ability of NIC. - 0: Receive frame with invalid layer 2 length (Default) - 1: Drop frame with invalid layer 2 length -*/ -VELOCITY_PARAM(ValPktLen, "Receiving or Drop invalid 802.3 frame"); - #define WOL_OPT_DEF 0 #define WOL_OPT_MIN 0 #define WOL_OPT_MAX 7 @@ -361,12 +373,23 @@ * Describe the PCI device identifiers that we support in this * device driver. Used for hotplug autoloading. */ -static DEFINE_PCI_DEVICE_TABLE(velocity_id_table) = { + +static const struct pci_device_id velocity_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_612X) }, { } }; -MODULE_DEVICE_TABLE(pci, velocity_id_table); +MODULE_DEVICE_TABLE(pci, velocity_pci_id_table); + +/** + * Describe the OF device identifiers that we support in this + * device driver. Used for devicetree nodes. + */ +static const struct of_device_id velocity_of_ids[] = { + { .compatible = "via,velocity-vt6110", .data = &chip_info_table[0] }, + { /* Sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, velocity_of_ids); /** * get_chip_name - identifier to name @@ -385,29 +408,6 @@ } /** - * velocity_remove1 - device unplug - * @pdev: PCI device being removed - * - * Device unload callback. Called on an unplug or on module - * unload for each active device that is present. Disconnects - * the device from the network layer and frees all the resources - */ -static void velocity_remove1(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct velocity_info *vptr = netdev_priv(dev); - - unregister_netdev(dev); - iounmap(vptr->mac_regs); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - free_netdev(dev); - - velocity_nics--; -} - -/** * velocity_set_int_opt - parser for integer options * @opt: pointer to option value * @val: value the user requested (or -1 for default) @@ -487,7 +487,6 @@ velocity_set_int_opt(&opts->flow_cntl, flow_control[index], FLOW_CNTL_MIN, FLOW_CNTL_MAX, FLOW_CNTL_DEF, "flow_control", devname); velocity_set_bool_opt(&opts->flags, IP_byte_align[index], IP_ALIG_DEF, VELOCITY_FLAGS_IP_ALIGN, "IP_byte_align", devname); - velocity_set_bool_opt(&opts->flags, ValPktLen[index], VAL_PKT_LEN_DEF, VELOCITY_FLAGS_VAL_PKT_LEN, "ValPktLen", devname); velocity_set_int_opt((int *) &opts->spd_dpx, speed_duplex[index], MED_LNK_MIN, MED_LNK_MAX, MED_LNK_DEF, "Media link mode", devname); velocity_set_int_opt(&opts->wol_opts, wol_opts[index], WOL_OPT_MIN, WOL_OPT_MAX, WOL_OPT_DEF, "Wake On Lan options", devname); opts->numrx = (opts->numrx & ~3); @@ -998,9 +997,9 @@ { if (vptr->mii_status & VELOCITY_LINK_FAIL) { - VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: failed to detect cable link\n", vptr->dev->name); + VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: failed to detect cable link\n", vptr->netdev->name); } else if (vptr->options.spd_dpx == SPD_DPX_AUTO) { - VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link auto-negotiation", vptr->dev->name); + VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link auto-negotiation", vptr->netdev->name); if (vptr->mii_status & VELOCITY_SPEED_1000) VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps"); @@ -1014,7 +1013,7 @@ else VELOCITY_PRT(MSG_LEVEL_INFO, " half duplex\n"); } else { - VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link forced", vptr->dev->name); + VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link forced", vptr->netdev->name); switch (vptr->options.spd_dpx) { case SPD_DPX_1000_FULL: VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps full duplex\n"); @@ -1180,6 +1179,17 @@ u16 BMCR; switch (PHYID_GET_PHY_ID(vptr->phy_id)) { + case PHYID_ICPLUS_IP101A: + MII_REG_BITS_ON((ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP), + MII_ADVERTISE, vptr->mac_regs); + if (vptr->mii_status & VELOCITY_DUPLEX_FULL) + MII_REG_BITS_ON(TCSR_ECHODIS, MII_SREVISION, + vptr->mac_regs); + else + MII_REG_BITS_OFF(TCSR_ECHODIS, MII_SREVISION, + vptr->mac_regs); + MII_REG_BITS_ON(PLED_LALBE, MII_TPISTATUS, vptr->mac_regs); + break; case PHYID_CICADA_CS8201: /* * Reset to hardware default @@ -1311,6 +1321,7 @@ enum velocity_init_type type) { struct mac_regs __iomem *regs = vptr->mac_regs; + struct net_device *netdev = vptr->netdev; int i, mii_status; mac_wol_reset(regs); @@ -1319,7 +1330,7 @@ case VELOCITY_INIT_RESET: case VELOCITY_INIT_WOL: - netif_stop_queue(vptr->dev); + netif_stop_queue(netdev); /* * Reset RX to prevent RX pointer not on the 4X location @@ -1332,7 +1343,7 @@ if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) { velocity_print_link_status(vptr); if (!(vptr->mii_status & VELOCITY_LINK_FAIL)) - netif_wake_queue(vptr->dev); + netif_wake_queue(netdev); } enable_flow_control_ability(vptr); @@ -1352,9 +1363,11 @@ velocity_soft_reset(vptr); mdelay(5); - mac_eeprom_reload(regs); - for (i = 0; i < 6; i++) - writeb(vptr->dev->dev_addr[i], &(regs->PAR[i])); + if (!vptr->no_eeprom) { + mac_eeprom_reload(regs); + for (i = 0; i < 6; i++) + writeb(netdev->dev_addr[i], regs->PAR + i); + } /* * clear Pre_ACPI bit. @@ -1377,7 +1390,7 @@ /* * Set packet filter: Receive directed and broadcast address */ - velocity_set_multi(vptr->dev); + velocity_set_multi(netdev); /* * Enable MII auto-polling @@ -1404,14 +1417,14 @@ writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT), ®s->CR0Set); mii_status = velocity_get_opt_media_mode(vptr); - netif_stop_queue(vptr->dev); + netif_stop_queue(netdev); mii_init(vptr, mii_status); if (velocity_set_media_mode(vptr, mii_status) != VELOCITY_LINK_CHANGE) { velocity_print_link_status(vptr); if (!(vptr->mii_status & VELOCITY_LINK_FAIL)) - netif_wake_queue(vptr->dev); + netif_wake_queue(netdev); } enable_flow_control_ability(vptr); @@ -1459,7 +1472,6 @@ struct velocity_opt *opt = &vptr->options; const unsigned int rx_ring_size = opt->numrx * sizeof(struct rx_desc); const unsigned int tx_ring_size = opt->numtx * sizeof(struct tx_desc); - struct pci_dev *pdev = vptr->pdev; dma_addr_t pool_dma; void *pool; unsigned int i; @@ -1467,14 +1479,14 @@ /* * Allocate all RD/TD rings a single pool. * - * pci_alloc_consistent() fulfills the requirement for 64 bytes + * dma_alloc_coherent() fulfills the requirement for 64 bytes * alignment */ - pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->tx.numq + - rx_ring_size, &pool_dma); + pool = dma_alloc_coherent(vptr->dev, tx_ring_size * vptr->tx.numq + + rx_ring_size, &pool_dma, GFP_ATOMIC); if (!pool) { - dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n", - vptr->dev->name); + dev_err(vptr->dev, "%s : DMA memory allocation failed.\n", + vptr->netdev->name); return -ENOMEM; } @@ -1514,7 +1526,7 @@ struct rx_desc *rd = &(vptr->rx.ring[idx]); struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]); - rd_info->skb = netdev_alloc_skb(vptr->dev, vptr->rx.buf_sz + 64); + rd_info->skb = netdev_alloc_skb(vptr->netdev, vptr->rx.buf_sz + 64); if (rd_info->skb == NULL) return -ENOMEM; @@ -1524,8 +1536,8 @@ */ skb_reserve(rd_info->skb, 64 - ((unsigned long) rd_info->skb->data & 63)); - rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, - vptr->rx.buf_sz, PCI_DMA_FROMDEVICE); + rd_info->skb_dma = dma_map_single(vptr->dev, rd_info->skb->data, + vptr->rx.buf_sz, DMA_FROM_DEVICE); /* * Fill in the descriptor to match @@ -1588,8 +1600,8 @@ if (!rd_info->skb) continue; - pci_unmap_single(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz, - PCI_DMA_FROMDEVICE); + dma_unmap_single(vptr->dev, rd_info->skb_dma, vptr->rx.buf_sz, + DMA_FROM_DEVICE); rd_info->skb_dma = 0; dev_kfree_skb(rd_info->skb); @@ -1620,7 +1632,7 @@ if (velocity_rx_refill(vptr) != vptr->options.numrx) { VELOCITY_PRT(MSG_LEVEL_ERR, KERN_ERR - "%s: failed to allocate RX buffer.\n", vptr->dev->name); + "%s: failed to allocate RX buffer.\n", vptr->netdev->name); velocity_free_rd_ring(vptr); goto out; } @@ -1670,7 +1682,7 @@ const int size = vptr->options.numrx * sizeof(struct rx_desc) + vptr->options.numtx * sizeof(struct tx_desc) * vptr->tx.numq; - pci_free_consistent(vptr->pdev, size, vptr->rx.ring, vptr->rx.pool_dma); + dma_free_coherent(vptr->dev, size, vptr->rx.ring, vptr->rx.pool_dma); } static int velocity_init_rings(struct velocity_info *vptr, int mtu) @@ -1727,8 +1739,8 @@ pktlen = max_t(size_t, pktlen, td->td_buf[i].size & ~TD_QUEUE); - pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], - le16_to_cpu(pktlen), PCI_DMA_TODEVICE); + dma_unmap_single(vptr->dev, tdinfo->skb_dma[i], + le16_to_cpu(pktlen), DMA_TO_DEVICE); } } dev_kfree_skb_irq(skb); @@ -1750,8 +1762,8 @@ if (td_info->skb) { for (i = 0; i < td_info->nskb_dma; i++) { if (td_info->skb_dma[i]) { - pci_unmap_single(vptr->pdev, td_info->skb_dma[i], - td_info->skb->len, PCI_DMA_TODEVICE); + dma_unmap_single(vptr->dev, td_info->skb_dma[i], + td_info->skb->len, DMA_TO_DEVICE); td_info->skb_dma[i] = 0; } } @@ -1809,7 +1821,7 @@ printk(KERN_ERR "TD structure error TDindex=%hx\n", readw(®s->TDIdx[0])); BYTE_REG_BITS_ON(TXESR_TDSTR, ®s->TXESR); writew(TRDCSR_RUN, ®s->TDCSRClr); - netif_stop_queue(vptr->dev); + netif_stop_queue(vptr->netdev); /* FIXME: port over the pci_device_failed code and use it here */ @@ -1850,10 +1862,10 @@ if (linked) { vptr->mii_status &= ~VELOCITY_LINK_FAIL; - netif_carrier_on(vptr->dev); + netif_carrier_on(vptr->netdev); } else { vptr->mii_status |= VELOCITY_LINK_FAIL; - netif_carrier_off(vptr->dev); + netif_carrier_off(vptr->netdev); } velocity_print_link_status(vptr); @@ -1867,9 +1879,9 @@ enable_mii_autopoll(regs); if (vptr->mii_status & VELOCITY_LINK_FAIL) - netif_stop_queue(vptr->dev); + netif_stop_queue(vptr->netdev); else - netif_wake_queue(vptr->dev); + netif_wake_queue(vptr->netdev); } if (status & ISR_MIBFI) @@ -1894,7 +1906,7 @@ int idx; int works = 0; struct velocity_td_info *tdinfo; - struct net_device_stats *stats = &vptr->dev->stats; + struct net_device_stats *stats = &vptr->netdev->stats; for (qnum = 0; qnum < vptr->tx.numq; qnum++) { for (idx = vptr->tx.tail[qnum]; vptr->tx.used[qnum] > 0; @@ -1939,9 +1951,9 @@ * Look to see if we should kick the transmit network * layer for more work. */ - if (netif_queue_stopped(vptr->dev) && (full == 0) && + if (netif_queue_stopped(vptr->netdev) && (full == 0) && (!(vptr->mii_status & VELOCITY_LINK_FAIL))) { - netif_wake_queue(vptr->dev); + netif_wake_queue(vptr->netdev); } return works; } @@ -1989,7 +2001,7 @@ if (pkt_size < rx_copybreak) { struct sk_buff *new_skb; - new_skb = netdev_alloc_skb_ip_align(vptr->dev, pkt_size); + new_skb = netdev_alloc_skb_ip_align(vptr->netdev, pkt_size); if (new_skb) { new_skb->ip_summed = rx_skb[0]->ip_summed; skb_copy_from_linear_data(*rx_skb, new_skb->data, pkt_size); @@ -2029,15 +2041,15 @@ */ static int velocity_receive_frame(struct velocity_info *vptr, int idx) { - void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int); - struct net_device_stats *stats = &vptr->dev->stats; + struct net_device_stats *stats = &vptr->netdev->stats; struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]); struct rx_desc *rd = &(vptr->rx.ring[idx]); int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff; struct sk_buff *skb; - if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) { - VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame span multple RDs.\n", vptr->dev->name); + if (unlikely(rd->rdesc0.RSR & (RSR_STP | RSR_EDP | RSR_RL))) { + if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) + VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received frame spans multiple RDs.\n", vptr->netdev->name); stats->rx_length_errors++; return -EINVAL; } @@ -2047,42 +2059,30 @@ skb = rd_info->skb; - pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma, - vptr->rx.buf_sz, PCI_DMA_FROMDEVICE); - - /* - * Drop frame not meeting IEEE 802.3 - */ - - if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) { - if (rd->rdesc0.RSR & RSR_RL) { - stats->rx_length_errors++; - return -EINVAL; - } - } - - pci_action = pci_dma_sync_single_for_device; + dma_sync_single_for_cpu(vptr->dev, rd_info->skb_dma, + vptr->rx.buf_sz, DMA_FROM_DEVICE); velocity_rx_csum(rd, skb); if (velocity_rx_copy(&skb, pkt_len, vptr) < 0) { velocity_iph_realign(vptr, skb, pkt_len); - pci_action = pci_unmap_single; rd_info->skb = NULL; + dma_unmap_single(vptr->dev, rd_info->skb_dma, vptr->rx.buf_sz, + DMA_FROM_DEVICE); + } else { + dma_sync_single_for_device(vptr->dev, rd_info->skb_dma, + vptr->rx.buf_sz, DMA_FROM_DEVICE); } - pci_action(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz, - PCI_DMA_FROMDEVICE); - skb_put(skb, pkt_len - 4); - skb->protocol = eth_type_trans(skb, vptr->dev); + skb->protocol = eth_type_trans(skb, vptr->netdev); if (rd->rdesc0.RSR & RSR_DETAG) { u16 vid = swab16(le16_to_cpu(rd->rdesc1.PQTAG)); __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } - netif_rx(skb); + netif_receive_skb(skb); stats->rx_bytes += pkt_len; stats->rx_packets++; @@ -2100,7 +2100,7 @@ */ static int velocity_rx_srv(struct velocity_info *vptr, int budget_left) { - struct net_device_stats *stats = &vptr->dev->stats; + struct net_device_stats *stats = &vptr->netdev->stats; int rd_curr = vptr->rx.curr; int works = 0; @@ -2154,16 +2154,13 @@ unsigned int rx_done; unsigned long flags; - spin_lock_irqsave(&vptr->lock, flags); /* * Do rx and tx twice for performance (taken from the VIA * out-of-tree driver). */ - rx_done = velocity_rx_srv(vptr, budget / 2); - velocity_tx_srv(vptr); - rx_done += velocity_rx_srv(vptr, budget - rx_done); + rx_done = velocity_rx_srv(vptr, budget); + spin_lock_irqsave(&vptr->lock, flags); velocity_tx_srv(vptr); - /* If budget not fully consumed, exit the polling mode */ if (rx_done < budget) { napi_complete(napi); @@ -2235,15 +2232,15 @@ goto out; /* Ensure chip is running */ - pci_set_power_state(vptr->pdev, PCI_D0); + velocity_set_power_state(vptr, PCI_D0); velocity_init_registers(vptr, VELOCITY_INIT_COLD); - ret = request_irq(vptr->pdev->irq, velocity_intr, IRQF_SHARED, + ret = request_irq(dev->irq, velocity_intr, IRQF_SHARED, dev->name, dev); if (ret < 0) { /* Power down the chip */ - pci_set_power_state(vptr->pdev, PCI_D3hot); + velocity_set_power_state(vptr, PCI_D3hot); velocity_free_rings(vptr); goto out; } @@ -2292,7 +2289,7 @@ if ((new_mtu < VELOCITY_MIN_MTU) || new_mtu > (VELOCITY_MAX_MTU)) { VELOCITY_PRT(MSG_LEVEL_ERR, KERN_NOTICE "%s: Invalid MTU.\n", - vptr->dev->name); + vptr->netdev->name); ret = -EINVAL; goto out_0; } @@ -2314,8 +2311,9 @@ goto out_0; } - tmp_vptr->dev = dev; + tmp_vptr->netdev = dev; tmp_vptr->pdev = vptr->pdev; + tmp_vptr->dev = vptr->dev; tmp_vptr->options = vptr->options; tmp_vptr->tx.numq = vptr->tx.numq; @@ -2323,6 +2321,8 @@ if (ret < 0) goto out_free_tmp_vptr_1; + napi_disable(&vptr->napi); + spin_lock_irqsave(&vptr->lock, flags); netif_stop_queue(dev); @@ -2343,6 +2343,8 @@ velocity_give_many_rx_descs(vptr); + napi_enable(&vptr->napi); + mac_enable_int(vptr->mac_regs); netif_start_queue(dev); @@ -2357,6 +2359,23 @@ return ret; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/** + * velocity_poll_controller - Velocity Poll controller function + * @dev: network device + * + * + * Used by NETCONSOLE and other diagnostic tools to allow network I/P + * with interrupts disabled. + */ +static void velocity_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + velocity_intr(dev->irq, dev); + enable_irq(dev->irq); +} +#endif + /** * velocity_mii_ioctl - MII ioctl handler * @dev: network device @@ -2415,7 +2434,7 @@ saving then we need to bring the device back up to talk to it */ if (!netif_running(dev)) - pci_set_power_state(vptr->pdev, PCI_D0); + velocity_set_power_state(vptr, PCI_D0); switch (cmd) { case SIOCGMIIPHY: /* Get address of MII PHY in use. */ @@ -2428,7 +2447,7 @@ ret = -EOPNOTSUPP; } if (!netif_running(dev)) - pci_set_power_state(vptr->pdev, PCI_D3hot); + velocity_set_power_state(vptr, PCI_D3hot); return ret; @@ -2494,7 +2513,7 @@ if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED) velocity_get_ip(vptr); - free_irq(vptr->pdev->irq, dev); + free_irq(dev->irq, dev); velocity_free_rings(vptr); @@ -2528,7 +2547,7 @@ /* The hardware can handle at most 7 memory segments, so merge * the skb if there are more */ if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) { - kfree_skb(skb); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -2550,7 +2569,8 @@ * add it to the transmit ring. */ tdinfo->skb = skb; - tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE); + tdinfo->skb_dma[0] = dma_map_single(vptr->dev, skb->data, pktlen, + DMA_TO_DEVICE); td_ptr->tdesc0.len = cpu_to_le16(pktlen); td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; @@ -2560,7 +2580,7 @@ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - tdinfo->skb_dma[i + 1] = skb_frag_dma_map(&vptr->pdev->dev, + tdinfo->skb_dma[i + 1] = skb_frag_dma_map(vptr->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); @@ -2573,8 +2593,8 @@ td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16; - if (vlan_tx_tag_present(skb)) { - td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb)); + if (skb_vlan_tag_present(skb)) { + td_ptr->tdesc1.vlan = cpu_to_le16(skb_vlan_tag_get(skb)); td_ptr->tdesc1.TCR |= TCR0_VETAG; } @@ -2621,6 +2641,9 @@ .ndo_do_ioctl = velocity_ioctl, .ndo_vlan_rx_add_vid = velocity_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = velocity_vlan_rx_kill_vid, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = velocity_poll_controller, +#endif }; /** @@ -2632,12 +2655,9 @@ * Set up the initial velocity_info struct for the device that has been * discovered. */ -static void velocity_init_info(struct pci_dev *pdev, struct velocity_info *vptr, - const struct velocity_info_tbl *info) +static void velocity_init_info(struct velocity_info *vptr, + const struct velocity_info_tbl *info) { - memset(vptr, 0, sizeof(struct velocity_info)); - - vptr->pdev = pdev; vptr->chip_id = info->chip_id; vptr->tx.numq = info->txqueue; vptr->multicast_limit = MCAM_SIZE; @@ -2652,10 +2672,9 @@ * Retrieve the PCI configuration space data that interests us from * the kernel PCI layer */ -static int velocity_get_pci_info(struct velocity_info *vptr, - struct pci_dev *pdev) +static int velocity_get_pci_info(struct velocity_info *vptr) { - vptr->rev_id = pdev->revision; + struct pci_dev *pdev = vptr->pdev; pci_set_master(pdev); @@ -2678,7 +2697,37 @@ dev_err(&pdev->dev, "region #1 is too small.\n"); return -EINVAL; } - vptr->pdev = pdev; + + return 0; +} + +/** + * velocity_get_platform_info - retrieve platform info for device + * @vptr: velocity device + * @pdev: platform device it matches + * + * Retrieve the Platform configuration data that interests us + */ +static int velocity_get_platform_info(struct velocity_info *vptr) +{ + struct resource res; + int ret; + + if (of_get_property(vptr->dev->of_node, "no-eeprom", NULL)) + vptr->no_eeprom = 1; + + ret = of_address_to_resource(vptr->dev->of_node, 0, &res); + if (ret) { + dev_err(vptr->dev, "unable to find memory address\n"); + return ret; + } + + vptr->memaddr = res.start; + + if (resource_size(&res) < VELOCITY_IO_SIZE) { + dev_err(vptr->dev, "memory region is too small.\n"); + return -EINVAL; + } return 0; } @@ -2692,7 +2741,7 @@ */ static void velocity_print_info(struct velocity_info *vptr) { - struct net_device *dev = vptr->dev; + struct net_device *dev = vptr->netdev; printk(KERN_INFO "%s: %s\n", dev->name, get_chip_name(vptr->chip_id)); printk(KERN_INFO "%s: Ethernet Address: %pM\n", @@ -2707,21 +2756,22 @@ } /** - * velocity_found1 - set up discovered velocity card + * velocity_probe - set up discovered velocity device * @pdev: PCI device * @ent: PCI device table entry that matched + * @bustype: bus that device is connected to * * Configure a discovered adapter from scratch. Return a negative * errno error code on failure paths. */ -static int velocity_found1(struct pci_dev *pdev, - const struct pci_device_id *ent) +static int velocity_probe(struct device *dev, int irq, + const struct velocity_info_tbl *info, + enum velocity_bus_type bustype) { static int first = 1; - struct net_device *dev; + struct net_device *netdev; int i; const char *drv_string; - const struct velocity_info_tbl *info = &chip_info_table[ent->driver_data]; struct velocity_info *vptr; struct mac_regs __iomem *regs; int ret = -ENOMEM; @@ -2730,20 +2780,18 @@ * can support more than MAX_UNITS. */ if (velocity_nics >= MAX_UNITS) { - dev_notice(&pdev->dev, "already found %d NICs.\n", - velocity_nics); + dev_notice(dev, "already found %d NICs.\n", velocity_nics); return -ENODEV; } - dev = alloc_etherdev(sizeof(struct velocity_info)); - if (!dev) + netdev = alloc_etherdev(sizeof(struct velocity_info)); + if (!netdev) goto out; /* Chain it all together */ - SET_NETDEV_DEV(dev, &pdev->dev); - vptr = netdev_priv(dev); - + SET_NETDEV_DEV(netdev, dev); + vptr = netdev_priv(netdev); if (first) { printk(KERN_INFO "%s Ver. %s\n", @@ -2753,41 +2801,41 @@ first = 0; } - velocity_init_info(pdev, vptr, info); - + netdev->irq = irq; + vptr->netdev = netdev; vptr->dev = dev; - ret = pci_enable_device(pdev); - if (ret < 0) - goto err_free_dev; + velocity_init_info(vptr, info); - ret = velocity_get_pci_info(vptr, pdev); - if (ret < 0) { - /* error message already printed */ - goto err_disable; - } + if (bustype == BUS_PCI) { + vptr->pdev = to_pci_dev(dev); - ret = pci_request_regions(pdev, VELOCITY_NAME); - if (ret < 0) { - dev_err(&pdev->dev, "No PCI resources.\n"); - goto err_disable; + ret = velocity_get_pci_info(vptr); + if (ret < 0) + goto err_free_dev; + } else { + vptr->pdev = NULL; + ret = velocity_get_platform_info(vptr); + if (ret < 0) + goto err_free_dev; } regs = ioremap(vptr->memaddr, VELOCITY_IO_SIZE); if (regs == NULL) { ret = -EIO; - goto err_release_res; + goto err_free_dev; } vptr->mac_regs = regs; + vptr->rev_id = readb(®s->rev_id); mac_wol_reset(regs); for (i = 0; i < 6; i++) - dev->dev_addr[i] = readb(®s->PAR[i]); + netdev->dev_addr[i] = readb(®s->PAR[i]); - drv_string = dev_driver_string(&pdev->dev); + drv_string = dev_driver_string(dev); velocity_get_options(&vptr->options, velocity_nics, drv_string); @@ -2808,46 +2856,127 @@ vptr->phy_id = MII_GET_PHY_ID(vptr->mac_regs); - dev->netdev_ops = &velocity_netdev_ops; - dev->ethtool_ops = &velocity_ethtool_ops; - netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT); + netdev->netdev_ops = &velocity_netdev_ops; + netdev->ethtool_ops = &velocity_ethtool_ops; + netif_napi_add(netdev, &vptr->napi, velocity_poll, + VELOCITY_NAPI_WEIGHT); - dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | + netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX; - dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_FILTER | - NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_IP_CSUM; + netdev->features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_IP_CSUM; - ret = register_netdev(dev); + ret = register_netdev(netdev); if (ret < 0) goto err_iounmap; - if (!velocity_get_link(dev)) { - netif_carrier_off(dev); + if (!velocity_get_link(netdev)) { + netif_carrier_off(netdev); vptr->mii_status |= VELOCITY_LINK_FAIL; } velocity_print_info(vptr); - pci_set_drvdata(pdev, dev); + dev_set_drvdata(vptr->dev, netdev); /* and leave the chip powered down */ - pci_set_power_state(pdev, PCI_D3hot); + velocity_set_power_state(vptr, PCI_D3hot); velocity_nics++; out: return ret; err_iounmap: + netif_napi_del(&vptr->napi); iounmap(regs); -err_release_res: - pci_release_regions(pdev); -err_disable: - pci_disable_device(pdev); err_free_dev: - free_netdev(dev); + free_netdev(netdev); goto out; } -#ifdef CONFIG_PM +/** + * velocity_remove - device unplug + * @dev: device being removed + * + * Device unload callback. Called on an unplug or on module + * unload for each active device that is present. Disconnects + * the device from the network layer and frees all the resources + */ +static int velocity_remove(struct device *dev) +{ + struct net_device *netdev = dev_get_drvdata(dev); + struct velocity_info *vptr = netdev_priv(netdev); + + unregister_netdev(netdev); + netif_napi_del(&vptr->napi); + iounmap(vptr->mac_regs); + free_netdev(netdev); + velocity_nics--; + + return 0; +} + +static int velocity_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + const struct velocity_info_tbl *info = + &chip_info_table[ent->driver_data]; + int ret; + + ret = pci_enable_device(pdev); + if (ret < 0) + return ret; + + ret = pci_request_regions(pdev, VELOCITY_NAME); + if (ret < 0) { + dev_err(&pdev->dev, "No PCI resources.\n"); + goto fail1; + } + + ret = velocity_probe(&pdev->dev, pdev->irq, info, BUS_PCI); + if (ret == 0) + return 0; + + pci_release_regions(pdev); +fail1: + pci_disable_device(pdev); + return ret; +} + +static void velocity_pci_remove(struct pci_dev *pdev) +{ + velocity_remove(&pdev->dev); + + pci_release_regions(pdev); + pci_disable_device(pdev); +} + +static int velocity_platform_probe(struct platform_device *pdev) +{ + const struct of_device_id *of_id; + const struct velocity_info_tbl *info; + int irq; + + of_id = of_match_device(velocity_of_ids, &pdev->dev); + if (!of_id) + return -EINVAL; + info = of_id->data; + + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + if (!irq) + return -EINVAL; + + return velocity_probe(&pdev->dev, irq, info, BUS_PLATFORM); +} + +static int velocity_platform_remove(struct platform_device *pdev) +{ + velocity_remove(&pdev->dev); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP /** * wol_calc_crc - WOL CRC * @pattern: data pattern @@ -3004,32 +3133,35 @@ } -static int velocity_suspend(struct pci_dev *pdev, pm_message_t state) +static int velocity_suspend(struct device *dev) { - struct net_device *dev = pci_get_drvdata(pdev); - struct velocity_info *vptr = netdev_priv(dev); + struct net_device *netdev = dev_get_drvdata(dev); + struct velocity_info *vptr = netdev_priv(netdev); unsigned long flags; - if (!netif_running(vptr->dev)) + if (!netif_running(vptr->netdev)) return 0; - netif_device_detach(vptr->dev); + netif_device_detach(vptr->netdev); spin_lock_irqsave(&vptr->lock, flags); - pci_save_state(pdev); + if (vptr->pdev) + pci_save_state(vptr->pdev); if (vptr->flags & VELOCITY_FLAGS_WOL_ENABLED) { velocity_get_ip(vptr); velocity_save_context(vptr, &vptr->context); velocity_shutdown(vptr); velocity_set_wol(vptr); - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_set_power_state(pdev, PCI_D3hot); + if (vptr->pdev) + pci_enable_wake(vptr->pdev, PCI_D3hot, 1); + velocity_set_power_state(vptr, PCI_D3hot); } else { velocity_save_context(vptr, &vptr->context); velocity_shutdown(vptr); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + if (vptr->pdev) + pci_disable_device(vptr->pdev); + velocity_set_power_state(vptr, PCI_D3hot); } spin_unlock_irqrestore(&vptr->lock, flags); @@ -3071,19 +3203,22 @@ writeb(*((u8 *) (context->mac_reg + i)), ptr + i); } -static int velocity_resume(struct pci_dev *pdev) +static int velocity_resume(struct device *dev) { - struct net_device *dev = pci_get_drvdata(pdev); - struct velocity_info *vptr = netdev_priv(dev); + struct net_device *netdev = dev_get_drvdata(dev); + struct velocity_info *vptr = netdev_priv(netdev); unsigned long flags; int i; - if (!netif_running(vptr->dev)) + if (!netif_running(vptr->netdev)) return 0; - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, 0, 0); - pci_restore_state(pdev); + velocity_set_power_state(vptr, PCI_D0); + + if (vptr->pdev) { + pci_enable_wake(vptr->pdev, PCI_D0, 0); + pci_restore_state(vptr->pdev); + } mac_wol_reset(vptr->mac_regs); @@ -3101,27 +3236,37 @@ mac_enable_int(vptr->mac_regs); spin_unlock_irqrestore(&vptr->lock, flags); - netif_device_attach(vptr->dev); + netif_device_attach(vptr->netdev); return 0; } -#endif +#endif /* CONFIG_PM_SLEEP */ + +static SIMPLE_DEV_PM_OPS(velocity_pm_ops, velocity_suspend, velocity_resume); /* * Definition for our device driver. The PCI layer interface * uses this to handle all our card discover and plugging */ -static struct pci_driver velocity_driver = { +static struct pci_driver velocity_pci_driver = { .name = VELOCITY_NAME, - .id_table = velocity_id_table, - .probe = velocity_found1, - .remove = velocity_remove1, -#ifdef CONFIG_PM - .suspend = velocity_suspend, - .resume = velocity_resume, -#endif + .id_table = velocity_pci_id_table, + .probe = velocity_pci_probe, + .remove = velocity_pci_remove, + .driver = { + .pm = &velocity_pm_ops, + }, }; +static struct platform_driver velocity_platform_driver = { + .probe = velocity_platform_probe, + .remove = velocity_platform_remove, + .driver = { + .name = "via-velocity", + .of_match_table = velocity_of_ids, + .pm = &velocity_pm_ops, + }, +}; /** * velocity_ethtool_up - pre hook for ethtool @@ -3134,7 +3279,7 @@ { struct velocity_info *vptr = netdev_priv(dev); if (!netif_running(dev)) - pci_set_power_state(vptr->pdev, PCI_D0); + velocity_set_power_state(vptr, PCI_D0); return 0; } @@ -3149,7 +3294,7 @@ { struct velocity_info *vptr = netdev_priv(dev); if (!netif_running(dev)) - pci_set_power_state(vptr->pdev, PCI_D3hot); + velocity_set_power_state(vptr, PCI_D3hot); } static int velocity_get_settings(struct net_device *dev, @@ -3269,9 +3414,14 @@ static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct velocity_info *vptr = netdev_priv(dev); + strlcpy(info->driver, VELOCITY_NAME, sizeof(info->driver)); strlcpy(info->version, VELOCITY_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, pci_name(vptr->pdev), sizeof(info->bus_info)); + if (vptr->pdev) + strlcpy(info->bus_info, pci_name(vptr->pdev), + sizeof(info->bus_info)); + else + strlcpy(info->bus_info, "platform", sizeof(info->bus_info)); } static void velocity_ethtool_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) @@ -3561,13 +3711,20 @@ */ static int __init velocity_init_module(void) { - int ret; + int ret_pci, ret_platform; velocity_register_notifier(); - ret = pci_register_driver(&velocity_driver); - if (ret < 0) + + ret_pci = pci_register_driver(&velocity_pci_driver); + ret_platform = platform_driver_register(&velocity_platform_driver); + + /* if both_registers failed, remove the notifier */ + if ((ret_pci < 0) && (ret_platform < 0)) { velocity_unregister_notifier(); - return ret; + return ret_pci; + } + + return 0; } /** @@ -3581,7 +3738,9 @@ static void __exit velocity_cleanup_module(void) { velocity_unregister_notifier(); - pci_unregister_driver(&velocity_driver); + + pci_unregister_driver(&velocity_pci_driver); + platform_driver_unregister(&velocity_platform_driver); } module_init(velocity_init_module);