diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 21:00:37 +0000 |
commit | 94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch) | |
tree | 9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c | |
parent | Adding debian version 6.8.12-1. (diff) | |
download | linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip |
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c | 223 |
1 files changed, 99 insertions, 124 deletions
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c index 529172a87a..82768b0e90 100644 --- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c @@ -382,6 +382,7 @@ static void bcmasp_netif_start(struct net_device *dev) bcmasp_enable_rx_irq(intf, 1); bcmasp_enable_tx_irq(intf, 1); + bcmasp_enable_phy_irq(intf, 1); phy_start(dev->phydev); } @@ -614,6 +615,7 @@ static void bcmasp_adj_link(struct net_device *dev) struct phy_device *phydev = dev->phydev; u32 cmd_bits = 0, reg; int changed = 0; + bool active; if (intf->old_link != phydev->link) { changed = 1; @@ -671,8 +673,8 @@ static void bcmasp_adj_link(struct net_device *dev) } umac_wl(intf, reg, UMC_CMD); - intf->eee.eee_active = phy_init_eee(phydev, 0) >= 0; - bcmasp_eee_enable_set(intf, intf->eee.eee_active); + active = phy_init_eee(phydev, 0) >= 0; + bcmasp_eee_enable_set(intf, active); } reg = rgmii_rl(intf, RGMII_OOB_CNTRL); @@ -686,40 +688,78 @@ static void bcmasp_adj_link(struct net_device *dev) phy_print_status(phydev); } -static int bcmasp_init_rx(struct bcmasp_intf *intf) +static int bcmasp_alloc_buffers(struct bcmasp_intf *intf) { struct device *kdev = &intf->parent->pdev->dev; struct page *buffer_pg; - dma_addr_t dma; - void *p; - u32 reg; - int ret; + /* Alloc RX */ intf->rx_buf_order = get_order(RING_BUFFER_SIZE); buffer_pg = alloc_pages(GFP_KERNEL, intf->rx_buf_order); if (!buffer_pg) return -ENOMEM; - dma = dma_map_page(kdev, buffer_pg, 0, RING_BUFFER_SIZE, - DMA_FROM_DEVICE); - if (dma_mapping_error(kdev, dma)) { - __free_pages(buffer_pg, intf->rx_buf_order); - return -ENOMEM; - } intf->rx_ring_cpu = page_to_virt(buffer_pg); - intf->rx_ring_dma = dma; - intf->rx_ring_dma_valid = intf->rx_ring_dma + RING_BUFFER_SIZE - 1; + intf->rx_ring_dma = dma_map_page(kdev, buffer_pg, 0, RING_BUFFER_SIZE, + DMA_FROM_DEVICE); + if (dma_mapping_error(kdev, intf->rx_ring_dma)) + goto free_rx_buffer; + + intf->rx_edpkt_cpu = dma_alloc_coherent(kdev, DESC_RING_SIZE, + &intf->rx_edpkt_dma_addr, GFP_KERNEL); + if (!intf->rx_edpkt_cpu) + goto free_rx_buffer_dma; + + /* Alloc TX */ + intf->tx_spb_cpu = dma_alloc_coherent(kdev, DESC_RING_SIZE, + &intf->tx_spb_dma_addr, GFP_KERNEL); + if (!intf->tx_spb_cpu) + goto free_rx_edpkt_dma; - p = dma_alloc_coherent(kdev, DESC_RING_SIZE, &intf->rx_edpkt_dma_addr, + intf->tx_cbs = kcalloc(DESC_RING_COUNT, sizeof(struct bcmasp_tx_cb), GFP_KERNEL); - if (!p) { - ret = -ENOMEM; - goto free_rx_ring; - } - intf->rx_edpkt_cpu = p; + if (!intf->tx_cbs) + goto free_tx_spb_dma; - netif_napi_add(intf->ndev, &intf->rx_napi, bcmasp_rx_poll); + return 0; + +free_tx_spb_dma: + dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu, + intf->tx_spb_dma_addr); +free_rx_edpkt_dma: + dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu, + intf->rx_edpkt_dma_addr); +free_rx_buffer_dma: + dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE, + DMA_FROM_DEVICE); +free_rx_buffer: + __free_pages(buffer_pg, intf->rx_buf_order); + + return -ENOMEM; +} + +static void bcmasp_reclaim_free_buffers(struct bcmasp_intf *intf) +{ + struct device *kdev = &intf->parent->pdev->dev; + /* RX buffers */ + dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu, + intf->rx_edpkt_dma_addr); + dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE, + DMA_FROM_DEVICE); + __free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order); + + /* TX buffers */ + dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu, + intf->tx_spb_dma_addr); + kfree(intf->tx_cbs); +} + +static void bcmasp_init_rx(struct bcmasp_intf *intf) +{ + /* Restart from index 0 */ + intf->rx_ring_dma_valid = intf->rx_ring_dma + RING_BUFFER_SIZE - 1; + intf->rx_edpkt_dma_valid = intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1); intf->rx_edpkt_dma_read = intf->rx_edpkt_dma_addr; intf->rx_edpkt_index = 0; @@ -745,65 +785,24 @@ static int bcmasp_init_rx(struct bcmasp_intf *intf) rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_WRITE); rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_READ); rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr, RX_EDPKT_DMA_BASE); - rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1), - RX_EDPKT_DMA_END); - rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_addr + (DESC_RING_SIZE - 1), - RX_EDPKT_DMA_VALID); - - reg = UMAC2FB_CFG_DEFAULT_EN | - ((intf->channel + 11) << UMAC2FB_CFG_CHID_SHIFT); - reg |= (0xd << UMAC2FB_CFG_OK_SEND_SHIFT); - umac2fb_wl(intf, reg, UMAC2FB_CFG); + rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_valid, RX_EDPKT_DMA_END); + rx_edpkt_dma_wq(intf, intf->rx_edpkt_dma_valid, RX_EDPKT_DMA_VALID); - return 0; - -free_rx_ring: - dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE, - DMA_FROM_DEVICE); - __free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order); - - return ret; + umac2fb_wl(intf, UMAC2FB_CFG_DEFAULT_EN | ((intf->channel + 11) << + UMAC2FB_CFG_CHID_SHIFT) | (0xd << UMAC2FB_CFG_OK_SEND_SHIFT), + UMAC2FB_CFG); } -static void bcmasp_reclaim_free_all_rx(struct bcmasp_intf *intf) -{ - struct device *kdev = &intf->parent->pdev->dev; - dma_free_coherent(kdev, DESC_RING_SIZE, intf->rx_edpkt_cpu, - intf->rx_edpkt_dma_addr); - dma_unmap_page(kdev, intf->rx_ring_dma, RING_BUFFER_SIZE, - DMA_FROM_DEVICE); - __free_pages(virt_to_page(intf->rx_ring_cpu), intf->rx_buf_order); -} - -static int bcmasp_init_tx(struct bcmasp_intf *intf) +static void bcmasp_init_tx(struct bcmasp_intf *intf) { - struct device *kdev = &intf->parent->pdev->dev; - void *p; - int ret; - - p = dma_alloc_coherent(kdev, DESC_RING_SIZE, &intf->tx_spb_dma_addr, - GFP_KERNEL); - if (!p) - return -ENOMEM; - - intf->tx_spb_cpu = p; + /* Restart from index 0 */ intf->tx_spb_dma_valid = intf->tx_spb_dma_addr + DESC_RING_SIZE - 1; intf->tx_spb_dma_read = intf->tx_spb_dma_addr; - - intf->tx_cbs = kcalloc(DESC_RING_COUNT, sizeof(struct bcmasp_tx_cb), - GFP_KERNEL); - if (!intf->tx_cbs) { - ret = -ENOMEM; - goto free_tx_spb; - } - intf->tx_spb_index = 0; intf->tx_spb_clean_index = 0; memset(intf->tx_cbs, 0, sizeof(struct bcmasp_tx_cb) * DESC_RING_COUNT); - netif_napi_add_tx(intf->ndev, &intf->tx_napi, bcmasp_tx_poll); - /* Make sure channels are disabled */ tx_spb_ctrl_wl(intf, 0x0, TX_SPB_CTRL_ENABLE); tx_epkt_core_wl(intf, 0x0, TX_EPKT_C_CFG_MISC); @@ -819,26 +818,6 @@ static int bcmasp_init_tx(struct bcmasp_intf *intf) tx_spb_dma_wq(intf, intf->tx_spb_dma_addr, TX_SPB_DMA_BASE); tx_spb_dma_wq(intf, intf->tx_spb_dma_valid, TX_SPB_DMA_END); tx_spb_dma_wq(intf, intf->tx_spb_dma_valid, TX_SPB_DMA_VALID); - - return 0; - -free_tx_spb: - dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu, - intf->tx_spb_dma_addr); - - return ret; -} - -static void bcmasp_reclaim_free_all_tx(struct bcmasp_intf *intf) -{ - struct device *kdev = &intf->parent->pdev->dev; - - /* Free descriptors */ - dma_free_coherent(kdev, DESC_RING_SIZE, intf->tx_spb_cpu, - intf->tx_spb_dma_addr); - - /* Free cbs */ - kfree(intf->tx_cbs); } static void bcmasp_ephy_enable_set(struct bcmasp_intf *intf, bool enable) @@ -928,12 +907,10 @@ static void bcmasp_netif_deinit(struct net_device *dev) /* Disable interrupts */ bcmasp_enable_tx_irq(intf, 0); bcmasp_enable_rx_irq(intf, 0); + bcmasp_enable_phy_irq(intf, 0); netif_napi_del(&intf->tx_napi); - bcmasp_reclaim_free_all_tx(intf); - netif_napi_del(&intf->rx_napi); - bcmasp_reclaim_free_all_rx(intf); } static int bcmasp_stop(struct net_device *dev) @@ -947,6 +924,8 @@ static int bcmasp_stop(struct net_device *dev) bcmasp_netif_deinit(dev); + bcmasp_reclaim_free_buffers(intf); + phy_disconnect(dev->phydev); /* Disable internal EPHY or external PHY */ @@ -1067,12 +1046,11 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect) goto err_phy_disable; } + if (intf->internal_phy) + dev->phydev->irq = PHY_MAC_INTERRUPT; + /* Indicate that the MAC is responsible for PHY PM */ phydev->mac_managed_pm = true; - } else if (!intf->wolopts) { - ret = phy_resume(dev->phydev); - if (ret) - goto err_phy_disable; } umac_reset(intf); @@ -1085,17 +1063,12 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect) intf->old_link = -1; intf->old_pause = -1; - ret = bcmasp_init_tx(intf); - if (ret) - goto err_phy_disconnect; - - /* Turn on asp */ + bcmasp_init_tx(intf); + netif_napi_add_tx(intf->ndev, &intf->tx_napi, bcmasp_tx_poll); bcmasp_enable_tx(intf, 1); - ret = bcmasp_init_rx(intf); - if (ret) - goto err_reclaim_tx; - + bcmasp_init_rx(intf); + netif_napi_add(intf->ndev, &intf->rx_napi, bcmasp_rx_poll); bcmasp_enable_rx(intf, 1); intf->crc_fwd = !!(umac_rl(intf, UMC_CMD) & UMC_CMD_CRC_FWD); @@ -1106,12 +1079,6 @@ static int bcmasp_netif_init(struct net_device *dev, bool phy_connect) return 0; -err_reclaim_tx: - netif_napi_del(&intf->tx_napi); - bcmasp_reclaim_free_all_tx(intf); -err_phy_disconnect: - if (phydev) - phy_disconnect(phydev); err_phy_disable: if (intf->internal_phy) bcmasp_ephy_enable_set(intf, false); @@ -1127,13 +1094,24 @@ static int bcmasp_open(struct net_device *dev) netif_dbg(intf, ifup, dev, "bcmasp open\n"); - ret = clk_prepare_enable(intf->parent->clk); + ret = bcmasp_alloc_buffers(intf); if (ret) return ret; - ret = bcmasp_netif_init(dev, true); + ret = clk_prepare_enable(intf->parent->clk); if (ret) + goto err_free_mem; + + ret = bcmasp_netif_init(dev, true); + if (ret) { clk_disable_unprepare(intf->parent->clk); + goto err_free_mem; + } + + return ret; + +err_free_mem: + bcmasp_reclaim_free_buffers(intf); return ret; } @@ -1349,6 +1327,9 @@ static void bcmasp_suspend_to_wol(struct bcmasp_intf *intf) ASP_WAKEUP_INTR2_MASK_CLEAR); } + if (intf->eee.eee_enabled && intf->parent->eee_fixup) + intf->parent->eee_fixup(intf, true); + netif_dbg(intf, wol, ndev, "entered WOL mode\n"); } @@ -1356,7 +1337,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf) { struct device *kdev = &intf->parent->pdev->dev; struct net_device *dev = intf->ndev; - int ret = 0; if (!netif_running(dev)) return 0; @@ -1366,10 +1346,6 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf) bcmasp_netif_deinit(dev); if (!intf->wolopts) { - ret = phy_suspend(dev->phydev); - if (ret) - goto out; - if (intf->internal_phy) bcmasp_ephy_enable_set(intf, false); else @@ -1386,17 +1362,16 @@ int bcmasp_interface_suspend(struct bcmasp_intf *intf) clk_disable_unprepare(intf->parent->clk); - return ret; - -out: - bcmasp_netif_init(dev, false); - return ret; + return 0; } static void bcmasp_resume_from_wol(struct bcmasp_intf *intf) { u32 reg; + if (intf->eee.eee_enabled && intf->parent->eee_fixup) + intf->parent->eee_fixup(intf, false); + reg = umac_rl(intf, UMC_MPD_CTRL); reg &= ~UMC_MPD_CTRL_MPD_EN; umac_wl(intf, reg, UMC_MPD_CTRL); |