From patchwork Mon Sep 18 10:29:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13389408 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 5FDAA27720; Mon, 18 Sep 2023 10:30:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D1FBC433C7; Mon, 18 Sep 2023 10:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695033031; bh=ffCd2VEC1GPMGZ9Vk37dImPu0FNNQi+6tk57Xkt+BoY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VDxORH2wnW/HOUPfSR+c16g4CeQqLTV+UWF7cViqG20DQd57QFrQWKqJYs2WasrmV qoDIOg2lTbY8TE6XiD2C9rDnpYreJsq/0fBX9vJFuM1N1d3FTuxatvtXdxP6SYpjHS If2o0vhR5Nj6dI3YdEI4aoxI3bLT2iQr/Nc411u6eUkSBWp3r2jNg7cFeBCe33H9Jd V/aQOiXATwexs5vFzFmjnz3Su6Xs2bOGXPUGKFGFZvPf+WMADv2HGxVaiiu3mKpeJ1 6ZpZTxwS+z6Tf+7+j4/8cC5bfIlfFWqLb1SQXBQhtCzSjbBiKVq+HPo7VNkeNuZssa 23Oeqg+h1muvA== 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 10/17] net: ethernet: mtk_wed: add mtk_wed_soc_data structure Date: Mon, 18 Sep 2023 12:29:12 +0200 Message-ID: <8516913a28d4b2bb6092a1b60412aa44b219331d.1695032291.git.lorenzo@kernel.org> 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 Introduce mtk_wed_soc_data utility structure to contain per-SoC definitions. Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/mediatek/mtk_wed.c | 66 ++++++++++++-------- drivers/net/ethernet/mediatek/mtk_wed.h | 11 ++++ drivers/net/ethernet/mediatek/mtk_wed_regs.h | 6 -- 3 files changed, 51 insertions(+), 32 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index 592e497984e3..c2ff2d6405f6 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -49,6 +49,26 @@ struct mtk_wed_flow_block_priv { struct net_device *dev; }; +static const struct mtk_wed_soc_data mt7622_data = { + .regmap = { + .tx_bm_tkid = 0x088, + .wpdma_rx_ring0 = 0x770, + .reset_idx_tx_mask = GENMASK(3, 0), + .reset_idx_rx_mask = GENMASK(17, 16), + }, + .wdma_desc_size = sizeof(struct mtk_wdma_desc), +}; + +static const struct mtk_wed_soc_data mt7986_data = { + .regmap = { + .tx_bm_tkid = 0x0c8, + .wpdma_rx_ring0 = 0x770, + .reset_idx_tx_mask = GENMASK(1, 0), + .reset_idx_rx_mask = GENMASK(7, 6), + }, + .wdma_desc_size = 2 * sizeof(struct mtk_wdma_desc), +}; + static void wed_m32(struct mtk_wed_device *dev, u32 reg, u32 mask, u32 val) { @@ -747,7 +767,7 @@ mtk_wed_set_wpdma(struct mtk_wed_device *dev) return; wed_w32(dev, MTK_WED_WPDMA_RX_GLO_CFG, dev->wlan.wpdma_rx_glo); - wed_w32(dev, MTK_WED_WPDMA_RX_RING, dev->wlan.wpdma_rx); + wed_w32(dev, dev->hw->soc->regmap.wpdma_rx_ring0, dev->wlan.wpdma_rx); } static void @@ -941,22 +961,10 @@ mtk_wed_hw_init(struct mtk_wed_device *dev) wed_w32(dev, MTK_WED_TX_BM_BUF_LEN, MTK_WED_PKT_SIZE); 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) | - FIELD_PREP(MTK_WED_TX_BM_TKID_END, - dev->wlan.token_start + - dev->wlan.nbuf - 1)); wed_w32(dev, MTK_WED_TX_BM_DYN_THR, FIELD_PREP(MTK_WED_TX_BM_DYN_THR_LO, 1) | MTK_WED_TX_BM_DYN_THR_HI); } else { - wed_w32(dev, MTK_WED_TX_BM_TKID_V2, - FIELD_PREP(MTK_WED_TX_BM_TKID_START, - dev->wlan.token_start) | - FIELD_PREP(MTK_WED_TX_BM_TKID_END, - dev->wlan.token_start + - dev->wlan.nbuf - 1)); wed_w32(dev, MTK_WED_TX_BM_DYN_THR, FIELD_PREP(MTK_WED_TX_BM_DYN_THR_LO_V2, 0) | MTK_WED_TX_BM_DYN_THR_HI_V2); @@ -971,6 +979,11 @@ mtk_wed_hw_init(struct mtk_wed_device *dev) MTK_WED_TX_TKID_DYN_THR_HI); } + wed_w32(dev, dev->hw->soc->regmap.tx_bm_tkid, + FIELD_PREP(MTK_WED_TX_BM_TKID_START, dev->wlan.token_start) | + FIELD_PREP(MTK_WED_TX_BM_TKID_END, + dev->wlan.token_start + dev->wlan.nbuf - 1)); + mtk_wed_reset(dev, MTK_WED_RESET_TX_BM); if (mtk_wed_is_v1(dev->hw)) { @@ -1105,13 +1118,8 @@ mtk_wed_rx_reset(struct mtk_wed_device *dev) if (ret) { mtk_wed_reset(dev, MTK_WED_RESET_WED_RX_DMA); } else { - struct mtk_eth *eth = dev->hw->eth; - - if (mtk_is_netsys_v2_or_greater(eth)) - wed_set(dev, MTK_WED_RESET_IDX, - MTK_WED_RESET_IDX_RX_V2); - else - wed_set(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_RX); + wed_set(dev, MTK_WED_RESET_IDX, + dev->hw->soc->regmap.reset_idx_rx_mask); wed_w32(dev, MTK_WED_RESET_IDX, 0); } @@ -1164,7 +1172,8 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev) if (busy) { mtk_wed_reset(dev, MTK_WED_RESET_WED_TX_DMA); } else { - wed_w32(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_TX); + wed_w32(dev, MTK_WED_RESET_IDX, + dev->hw->soc->regmap.reset_idx_tx_mask); wed_w32(dev, MTK_WED_RESET_IDX, 0); } @@ -1256,7 +1265,6 @@ static int mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size, bool reset) { - u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version; struct mtk_wed_ring *wdma; if (idx >= ARRAY_SIZE(dev->rx_wdma)) @@ -1264,7 +1272,7 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size, wdma = &dev->rx_wdma[idx]; if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, - desc_size, true)) + dev->hw->soc->wdma_desc_size, true)) return -ENOMEM; wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE, @@ -1285,7 +1293,6 @@ static int mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size, bool reset) { - u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version; struct mtk_wed_ring *wdma; if (idx >= ARRAY_SIZE(dev->tx_wdma)) @@ -1293,7 +1300,7 @@ mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size, wdma = &dev->tx_wdma[idx]; if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, - desc_size, true)) + dev->hw->soc->wdma_desc_size, true)) return -ENOMEM; wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_BASE, @@ -1932,7 +1939,12 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, hw->irq = irq; hw->version = eth->soc->version; - if (mtk_wed_is_v1(hw)) { + switch (hw->version) { + case 2: + hw->soc = &mt7986_data; + break; + default: + case 1: hw->mirror = syscon_regmap_lookup_by_phandle(eth_np, "mediatek,pcie-mirror"); hw->hifsys = syscon_regmap_lookup_by_phandle(eth_np, @@ -1946,6 +1958,8 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, regmap_write(hw->mirror, 0, 0); regmap_write(hw->mirror, 4, 0); } + hw->soc = &mt7622_data; + break; } mtk_wed_hw_add_debugfs(hw); diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h index 6f5db891a6b9..afaf5a46fbb3 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.h +++ b/drivers/net/ethernet/mediatek/mtk_wed.h @@ -12,7 +12,18 @@ struct mtk_eth; struct mtk_wed_wo; +struct mtk_wed_soc_data { + struct { + u32 tx_bm_tkid; + u32 wpdma_rx_ring0; + u32 reset_idx_tx_mask; + u32 reset_idx_rx_mask; + } regmap; + u32 wdma_desc_size; +}; + struct mtk_wed_hw { + const struct mtk_wed_soc_data *soc; struct device_node *node; struct mtk_eth *eth; struct regmap *regs; diff --git a/drivers/net/ethernet/mediatek/mtk_wed_regs.h b/drivers/net/ethernet/mediatek/mtk_wed_regs.h index f87ab9b8a590..2253f4eb5bc1 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed_regs.h +++ b/drivers/net/ethernet/mediatek/mtk_wed_regs.h @@ -100,8 +100,6 @@ struct mtk_wdma_desc { #define MTK_WED_TX_BM_BASE 0x084 -#define MTK_WED_TX_BM_TKID 0x088 -#define MTK_WED_TX_BM_TKID_V2 0x0c8 #define MTK_WED_TX_BM_TKID_START GENMASK(15, 0) #define MTK_WED_TX_BM_TKID_END GENMASK(31, 16) @@ -160,9 +158,6 @@ struct mtk_wdma_desc { #define MTK_WED_GLO_CFG_RX_2B_OFFSET BIT(31) #define MTK_WED_RESET_IDX 0x20c -#define MTK_WED_RESET_IDX_TX GENMASK(3, 0) -#define MTK_WED_RESET_IDX_RX GENMASK(17, 16) -#define MTK_WED_RESET_IDX_RX_V2 GENMASK(7, 6) #define MTK_WED_RESET_WPDMA_IDX_RX GENMASK(31, 30) #define MTK_WED_TX_MIB(_n) (0x2a0 + (_n) * 4) @@ -286,7 +281,6 @@ struct mtk_wdma_desc { #define MTK_WED_WPDMA_RX_D_RST_DRV_IDX GENMASK(25, 24) #define MTK_WED_WPDMA_RX_GLO_CFG 0x76c -#define MTK_WED_WPDMA_RX_RING 0x770 #define MTK_WED_WPDMA_RX_D_MIB(_n) (0x774 + (_n) * 4) #define MTK_WED_WPDMA_RX_D_PROCESSED_MIB(_n) (0x784 + (_n) * 4)