From 7e06c3dbfa5f1e39eba92eb79d854fab2a7ad5fe Mon Sep 17 00:00:00 2001 From: Sky Huang Date: Thu, 13 Feb 2025 16:05:49 +0800 Subject: [PATCH 10/20] net: phy: mediatek: Change to more meaningful macros Replace magic number with more meaningful macros in mtk-ge.c. Also, move some common macros into mtk-phy-lib.c. Signed-off-by: Sky Huang Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20250213080553.921434-2-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski --- drivers/net/phy/mediatek/mtk-ge-soc.c | 1 - drivers/net/phy/mediatek/mtk-ge.c | 71 +++++++++++++++++++++------ drivers/net/phy/mediatek/mtk.h | 2 + 3 files changed, 57 insertions(+), 17 deletions(-) --- a/drivers/net/phy/mediatek/mtk-ge-soc.c +++ b/drivers/net/phy/mediatek/mtk-ge-soc.c @@ -24,7 +24,6 @@ #define MTK_PHY_SMI_DET_ON_THRESH_MASK GENMASK(13, 8) #define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 -#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 #define ANALOG_INTERNAL_OPERATION_MAX_US 20 #define TXRESERVE_MIN 0 --- a/drivers/net/phy/mediatek/mtk-ge.c +++ b/drivers/net/phy/mediatek/mtk-ge.c @@ -8,18 +8,38 @@ #define MTK_GPHY_ID_MT7530 0x03a29412 #define MTK_GPHY_ID_MT7531 0x03a29441 -#define MTK_EXT_PAGE_ACCESS 0x1f -#define MTK_PHY_PAGE_STANDARD 0x0000 -#define MTK_PHY_PAGE_EXTENDED 0x0001 -#define MTK_PHY_PAGE_EXTENDED_2 0x0002 -#define MTK_PHY_PAGE_EXTENDED_3 0x0003 -#define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 -#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 +#define MTK_PHY_PAGE_EXTENDED_1 0x0001 +#define MTK_PHY_AUX_CTRL_AND_STATUS 0x14 +#define MTK_PHY_ENABLE_DOWNSHIFT BIT(4) + +#define MTK_PHY_PAGE_EXTENDED_2 0x0002 +#define MTK_PHY_PAGE_EXTENDED_3 0x0003 +#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG11 0x11 + +#define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 + +/* Registers on MDIO_MMD_VEND1 */ +#define MTK_PHY_GBE_MODE_TX_DELAY_SEL 0x13 +#define MTK_PHY_TEST_MODE_TX_DELAY_SEL 0x14 +#define MTK_TX_DELAY_PAIR_B_MASK GENMASK(10, 8) +#define MTK_TX_DELAY_PAIR_D_MASK GENMASK(2, 0) + +#define MTK_PHY_MCC_CTRL_AND_TX_POWER_CTRL 0xa6 +#define MTK_MCC_NEARECHO_OFFSET_MASK GENMASK(15, 8) + +#define MTK_PHY_RXADC_CTRL_RG7 0xc6 +#define MTK_PHY_DA_AD_BUF_BIAS_LP_MASK GENMASK(9, 8) + +#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG123 0x123 +#define MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK GENMASK(15, 8) +#define MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK GENMASK(7, 0) static void mtk_gephy_config_init(struct phy_device *phydev) { /* Enable HW auto downshift */ - phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED, 0x14, 0, BIT(4)); + phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED_1, + MTK_PHY_AUX_CTRL_AND_STATUS, + 0, MTK_PHY_ENABLE_DOWNSHIFT); /* Increase SlvDPSready time */ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); @@ -29,10 +49,20 @@ static void mtk_gephy_config_init(struct phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); /* Adjust 100_mse_threshold */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x123, 0xffff); - - /* Disable mcc */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xa6, 0x300); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, + MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG123, + MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK | + MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK, + FIELD_PREP(MTK_PHY_LPI_NORM_MSE_LO_THRESH100_MASK, + 0xff) | + FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH100_MASK, + 0xff)); + + /* If echo time is narrower than 0x3, it will be regarded as noise */ + phy_modify_mmd(phydev, MDIO_MMD_VEND1, + MTK_PHY_MCC_CTRL_AND_TX_POWER_CTRL, + MTK_MCC_NEARECHO_OFFSET_MASK, + FIELD_PREP(MTK_MCC_NEARECHO_OFFSET_MASK, 0x3)); } static int mt7530_phy_config_init(struct phy_device *phydev) @@ -40,7 +70,8 @@ static int mt7530_phy_config_init(struct mtk_gephy_config_init(phydev); /* Increase post_update_timer */ - phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, 0x11, 0x4b); + phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, + MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG11, 0x4b); return 0; } @@ -51,11 +82,19 @@ static int mt7531_phy_config_init(struct /* PHY link down power saving enable */ phy_set_bits(phydev, 0x17, BIT(4)); - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, 0xc6, 0x300); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7, + MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, + FIELD_PREP(MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3)); /* Set TX Pair delay selection */ - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x13, 0x404); - phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x14, 0x404); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_GBE_MODE_TX_DELAY_SEL, + MTK_TX_DELAY_PAIR_B_MASK | MTK_TX_DELAY_PAIR_D_MASK, + FIELD_PREP(MTK_TX_DELAY_PAIR_B_MASK, 0x4) | + FIELD_PREP(MTK_TX_DELAY_PAIR_D_MASK, 0x4)); + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TEST_MODE_TX_DELAY_SEL, + MTK_TX_DELAY_PAIR_B_MASK | MTK_TX_DELAY_PAIR_D_MASK, + FIELD_PREP(MTK_TX_DELAY_PAIR_B_MASK, 0x4) | + FIELD_PREP(MTK_TX_DELAY_PAIR_D_MASK, 0x4)); return 0; } --- a/drivers/net/phy/mediatek/mtk.h +++ b/drivers/net/phy/mediatek/mtk.h @@ -9,6 +9,8 @@ #define _MTK_EPHY_H_ #define MTK_EXT_PAGE_ACCESS 0x1f +#define MTK_PHY_PAGE_STANDARD 0x0000 +#define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 /* Registers on MDIO_MMD_VEND2 */ #define MTK_PHY_LED0_ON_CTRL 0x24