From patchwork Mon Sep 18 10:29:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13389401 X-Patchwork-Delegate: kuba@kernel.org Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBB451CABC; Mon, 18 Sep 2023 10:30:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9E7FC433C8; Mon, 18 Sep 2023 10:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695033005; bh=yAXZDfthDM+JXclNb0yFwzC4eXIf9CoNOD2FqTErOCY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FgEvAaA9+L6vguVPWqORGES01LoDmi9o2qgdBZOnZbqs+59zkSfsW1hJeLBw5g3wh vUq79YO4jEFNbHwjSSa6seW7ec7JulQPAfrOSjuWYkLQxUe9q6RdR6uohCcjPC/GRS mjeyBKiHX9z2kUMubWe2h1Xao2oODGosZ07mwqQDyAVsEMwzbAqpuY9hj9zjFl+o5V q0AA2Dt1SWRJREM3ZE66I7nvx5bYgWt03fCcxvfuSIkbWBs9RZblWXWscFjeBzJpbt 3637b4z1QIEmtKVCXTYnJLNm8R62jpZIYNegca74W5Dc8S3HZfFCMl6uERRg4GvNQV VSZ+E9XvpmMvg== From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, daniel@makrotopia.org, linux-mediatek@lists.infradead.org, sujuan.chen@mediatek.com, horms@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org Subject: [PATCH v2 net-next 03/17] net: ethernet: mtk_wed: introduce versioning utility routines Date: Mon, 18 Sep 2023 12:29:05 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Similar to mtk_eth_soc, introduce the following wed versioning utility routines: - mtk_wed_is_v1 - mtk_wed_is_v2 This is a preliminary patch to introduce WED support for MT7988 SoC Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/mediatek/mtk_wed.c | 40 +++++++++---------- drivers/net/ethernet/mediatek/mtk_wed.h | 10 +++++ .../net/ethernet/mediatek/mtk_wed_debugfs.c | 2 +- drivers/net/ethernet/mediatek/mtk_wed_mcu.c | 2 +- 4 files changed, 32 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index e7d3525d2e30..ce1ca98ea1d6 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -278,7 +278,7 @@ mtk_wed_assign(struct mtk_wed_device *dev) if (!hw->wed_dev) goto out; - if (hw->version == 1) + if (mtk_wed_is_v1(hw)) return NULL; /* MT7986 WED devices do not have any pcie slot restrictions */ @@ -359,7 +359,7 @@ mtk_wed_tx_buffer_alloc(struct mtk_wed_device *dev) desc->buf0 = cpu_to_le32(buf_phys); desc->buf1 = cpu_to_le32(buf_phys + txd_size); - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) ctrl = FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN0, txd_size) | FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1, MTK_WED_BUF_SIZE - txd_size) | @@ -498,7 +498,7 @@ mtk_wed_set_ext_int(struct mtk_wed_device *dev, bool en) { u32 mask = MTK_WED_EXT_INT_STATUS_ERROR_MASK; - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) mask |= MTK_WED_EXT_INT_STATUS_TX_DRV_R_RESP_ERR; else mask |= MTK_WED_EXT_INT_STATUS_RX_FBUF_LO_TH | @@ -577,7 +577,7 @@ mtk_wed_dma_disable(struct mtk_wed_device *dev) MTK_WDMA_GLO_CFG_RX_INFO1_PRERES | MTK_WDMA_GLO_CFG_RX_INFO2_PRERES); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { regmap_write(dev->hw->mirror, dev->hw->index * 4, 0); wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_INFO3_PRERES); @@ -606,7 +606,7 @@ mtk_wed_stop(struct mtk_wed_device *dev) wdma_w32(dev, MTK_WDMA_INT_GRP2, 0); wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0); - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) return; wed_w32(dev, MTK_WED_EXT_INT_MASK1, 0); @@ -625,7 +625,7 @@ mtk_wed_deinit(struct mtk_wed_device *dev) MTK_WED_CTRL_WED_TX_BM_EN | MTK_WED_CTRL_WED_TX_FREE_AGENT_EN); - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) return; wed_clr(dev, MTK_WED_CTRL, @@ -731,7 +731,7 @@ mtk_wed_bus_init(struct mtk_wed_device *dev) static void mtk_wed_set_wpdma(struct mtk_wed_device *dev) { - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { wed_w32(dev, MTK_WED_WPDMA_CFG_BASE, dev->wlan.wpdma_phys); } else { mtk_wed_bus_init(dev); @@ -762,7 +762,7 @@ mtk_wed_hw_init_early(struct mtk_wed_device *dev) MTK_WED_WDMA_GLO_CFG_IDLE_DMAD_SUPPLY; wed_m32(dev, MTK_WED_WDMA_GLO_CFG, mask, set); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { u32 offset = dev->hw->index ? 0x04000400 : 0; wdma_set(dev, MTK_WDMA_GLO_CFG, @@ -935,7 +935,7 @@ mtk_wed_hw_init(struct mtk_wed_device *dev) wed_w32(dev, MTK_WED_TX_BM_BUF_LEN, MTK_WED_PKT_SIZE); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { wed_w32(dev, MTK_WED_TX_BM_TKID, FIELD_PREP(MTK_WED_TX_BM_TKID_START, dev->wlan.token_start) | @@ -968,7 +968,7 @@ mtk_wed_hw_init(struct mtk_wed_device *dev) mtk_wed_reset(dev, MTK_WED_RESET_TX_BM); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { wed_set(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_TX_BM_EN | MTK_WED_CTRL_WED_TX_FREE_AGENT_EN); @@ -1218,7 +1218,7 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev) } dev->init_done = false; - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) return; if (!busy) { @@ -1344,7 +1344,7 @@ mtk_wed_configure_irq(struct mtk_wed_device *dev, u32 irq_mask) MTK_WED_CTRL_WED_TX_BM_EN | MTK_WED_CTRL_WED_TX_FREE_AGENT_EN); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { wed_w32(dev, MTK_WED_PCIE_INT_TRIGGER, MTK_WED_PCIE_INT_TRIGGER_STATUS); @@ -1417,7 +1417,7 @@ mtk_wed_dma_enable(struct mtk_wed_device *dev) MTK_WDMA_GLO_CFG_RX_INFO1_PRERES | MTK_WDMA_GLO_CFG_RX_INFO2_PRERES); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { wdma_set(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_INFO3_PRERES); } else { @@ -1466,7 +1466,7 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask) mtk_wed_set_ext_int(dev, true); - if (dev->hw->version == 1) { + if (mtk_wed_is_v1(dev->hw)) { u32 val = dev->wlan.wpdma_phys | MTK_PCIE_MIRROR_MAP_EN | FIELD_PREP(MTK_PCIE_MIRROR_MAP_WED_ID, dev->hw->index); @@ -1551,7 +1551,7 @@ mtk_wed_attach(struct mtk_wed_device *dev) } mtk_wed_hw_init_early(dev); - if (hw->version == 1) { + if (mtk_wed_is_v1(hw)) { regmap_update_bits(hw->hifsys, HIFSYS_DMA_AG_MAP, BIT(hw->index), 0); } else { @@ -1619,7 +1619,7 @@ static int mtk_wed_txfree_ring_setup(struct mtk_wed_device *dev, void __iomem *regs) { struct mtk_wed_ring *ring = &dev->txfree_ring; - int i, index = dev->hw->version == 1; + int i, index = mtk_wed_is_v1(dev->hw); /* * For txfree event handling, the same DMA ring is shared between WED @@ -1677,7 +1677,7 @@ mtk_wed_irq_get(struct mtk_wed_device *dev, u32 mask) { u32 val, ext_mask = MTK_WED_EXT_INT_STATUS_ERROR_MASK; - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) ext_mask |= MTK_WED_EXT_INT_STATUS_TX_DRV_R_RESP_ERR; else ext_mask |= MTK_WED_EXT_INT_STATUS_RX_FBUF_LO_TH | @@ -1844,7 +1844,7 @@ mtk_wed_setup_tc(struct mtk_wed_device *wed, struct net_device *dev, { struct mtk_wed_hw *hw = wed->hw; - if (hw->version < 2) + if (mtk_wed_is_v1(hw)) return -EOPNOTSUPP; switch (type) { @@ -1918,9 +1918,9 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, hw->wdma = wdma; hw->index = index; hw->irq = irq; - hw->version = mtk_is_netsys_v1(eth) ? 1 : 2; + hw->version = eth->soc->version; - if (hw->version == 1) { + if (mtk_wed_is_v1(hw)) { hw->mirror = syscon_regmap_lookup_by_phandle(eth_np, "mediatek,pcie-mirror"); hw->hifsys = syscon_regmap_lookup_by_phandle(eth_np, diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h index 43ab77eaf683..6f5db891a6b9 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.h +++ b/drivers/net/ethernet/mediatek/mtk_wed.h @@ -40,6 +40,16 @@ struct mtk_wdma_info { }; #ifdef CONFIG_NET_MEDIATEK_SOC_WED +static inline bool mtk_wed_is_v1(struct mtk_wed_hw *hw) +{ + return hw->version == 1; +} + +static inline bool mtk_wed_is_v2(struct mtk_wed_hw *hw) +{ + return hw->version == 2; +} + static inline void wed_w32(struct mtk_wed_device *dev, u32 reg, u32 val) { diff --git a/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c b/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c index e24afeaea0da..674e919d0d3a 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c +++ b/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c @@ -261,7 +261,7 @@ void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw) debugfs_create_u32("regidx", 0600, dir, &hw->debugfs_reg); debugfs_create_file_unsafe("regval", 0600, dir, hw, &fops_regval); debugfs_create_file_unsafe("txinfo", 0400, dir, hw, &wed_txinfo_fops); - if (hw->version != 1) + if (!mtk_wed_is_v1(hw)) debugfs_create_file_unsafe("rxinfo", 0400, dir, hw, &wed_rxinfo_fops); } diff --git a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c index 72bcdaed12a9..8216403e5834 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c +++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c @@ -207,7 +207,7 @@ int mtk_wed_mcu_msg_update(struct mtk_wed_device *dev, int id, void *data, { struct mtk_wed_wo *wo = dev->hw->wed_wo; - if (dev->hw->version == 1) + if (mtk_wed_is_v1(dev->hw)) return 0; if (WARN_ON(!wo))