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Date: Fri, 14 Apr 2023 01:42:53 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Qingfang Deng <dqfext@...il.com>,
SkyLake Huang <SkyLake.Huang@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
John Crispin <john@...ozen.org>
Subject: [PATCH net-next] net: phy: add driver for MediaTek SoC built-in GE
PHYs
Some of MediaTek's Filogic SoCs come with built-in Gigabit Ethernet
PHYs which require calibration data from the SoC's efuse.
Add support for these PHYs to the mediatek-ge driver if built for
MediaTek's ARM64 SoCs.
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
MAINTAINERS | 8 +
drivers/net/phy/Kconfig | 12 +
drivers/net/phy/mediatek-ge.c | 1153 ++++++++++++++++++++++++++++++++-
3 files changed, 1170 insertions(+), 3 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index fdcef63fa9a02..dac644733c5a7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13058,6 +13058,14 @@ S: Maintained
F: drivers/net/pcs/pcs-mtk-lynxi.c
F: include/linux/pcs/pcs-mtk-lynxi.h
+MEDIATEK ETHERNET PHY DRIVERS
+M: Daniel Golle <daniel@...rotopia.org>
+M: Qingfang Deng <dqfext@...il.com>
+M: SkyLake Huang <SkyLake.Huang@...iatek.com>
+L: netdev@...r.kernel.org
+S: Maintained
+F: drivers/net/phy/mediatek-ge.c
+
MEDIATEK I2C CONTROLLER DRIVER
M: Qii Wang <qii.wang@...iatek.com>
L: linux-i2c@...r.kernel.org
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 6b9525def9736..ca9c396d97adf 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -230,6 +230,18 @@ config MEDIATEK_GE_PHY
help
Supports the MediaTek Gigabit Ethernet PHYs.
+config MEDIATEK_GE_PHY_SOC
+ bool "MediaTek SoC Ethernet PHYs"
+ depends on (ARM64 && ARCH_MEDIATEK && MEDIATEK_GE_PHY) || COMPILE_TEST
+ select NVMEM_MTK_EFUSE
+ help
+ Supports MediaTek SoC built-in Gigabit Ethernet PHYs.
+
+ Include support for built-in Ethernet PHYs which are present in
+ the MT7981 and MT7988 SoCs. These PHYs need calibration data
+ present in the SoCs efuse and will dynamically calibrate VCM
+ (common-mode voltage) during startup.
+
config MICREL_PHY
tristate "Micrel PHYs"
depends on PTP_1588_CLOCK_OPTIONAL
diff --git a/drivers/net/phy/mediatek-ge.c b/drivers/net/phy/mediatek-ge.c
index 68ee434f9dea3..70c2a9da4e239 100644
--- a/drivers/net/phy/mediatek-ge.c
+++ b/drivers/net/phy/mediatek-ge.c
@@ -1,16 +1,282 @@
// SPDX-License-Identifier: GPL-2.0+
#include <linux/bitfield.h>
#include <linux/module.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
#include <linux/phy.h>
+#define MTK_GPHY_ID_VENDOR 0x03a29400
+#define MTK_GPHY_ID_MT7530 0x03a29412
+#define MTK_GPHY_ID_MT7531 0x03a29441
+#define MTK_GPHY_ID_MT7981 0x03a29461
+#define MTK_GPHY_ID_MT7988 0x03a29481
+
#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_LPI_REG_14 0x14
+#define MTK_PHY_LPI_WAKE_TIMER_1000_MASK GENMASK(8, 0)
+
+#define MTK_PHY_LPI_REG_1c 0x1c
+#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
+#define TXRESERVE_MAX 7
+
+#define MTK_PHY_ANARG_RG 0x10
+#define MTK_PHY_TCLKOFFSET_MASK GENMASK(12, 8)
+
+/* Registers on MDIO_MMD_VEND1 */
+#define MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TO1 0
+#define MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1 1
+#define MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1 2
+#define MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0 4
+#define MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0 5 /* N means negative */
+#define MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1 7
+#define MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1 8
+#define MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0 10
+#define MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0 11
+
+#define MTK_PHY_TXVLD_DA_RG 0x12
+#define MTK_PHY_DA_TX_I2MPB_A_GBE_MASK GENMASK(15, 10)
+#define MTK_PHY_DA_TX_I2MPB_A_TBT_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_A2 0x16
+#define MTK_PHY_DA_TX_I2MPB_A_HBT_MASK GENMASK(15, 10)
+#define MTK_PHY_DA_TX_I2MPB_A_TST_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_B1 0x17
+#define MTK_PHY_DA_TX_I2MPB_B_GBE_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_B_TBT_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_B2 0x18
+#define MTK_PHY_DA_TX_I2MPB_B_HBT_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_B_TST_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_C1 0x19
+#define MTK_PHY_DA_TX_I2MPB_C_GBE_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_C_TBT_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_C2 0x20
+#define MTK_PHY_DA_TX_I2MPB_C_HBT_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_C_TST_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_D1 0x21
+#define MTK_PHY_DA_TX_I2MPB_D_GBE_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_D_TBT_MASK GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_D2 0x22
+#define MTK_PHY_DA_TX_I2MPB_D_HBT_MASK GENMASK(13, 8)
+#define MTK_PHY_DA_TX_I2MPB_D_TST_MASK GENMASK(5, 0)
+
+#define MTK_PHY_RXADC_CTRL_RG7 0xc6
+#define MTK_PHY_DA_AD_BUF_BIAS_LP_MASK GENMASK(9, 8)
+
+#define MTK_PHY_RXADC_CTRL_RG9 0xc8
+#define MTK_PHY_DA_RX_PSBN_TBT_MASK GENMASK(14, 12)
+#define MTK_PHY_DA_RX_PSBN_HBT_MASK GENMASK(10, 8)
+#define MTK_PHY_DA_RX_PSBN_GBE_MASK GENMASK(6, 4)
+#define MTK_PHY_DA_RX_PSBN_LP_MASK GENMASK(2, 0)
+
+#define MTK_PHY_LDO_OUTPUT_V 0xd7
+
+#define MTK_PHY_RG_ANA_CAL_RG0 0xdb
+#define MTK_PHY_RG_CAL_CKINV BIT(12)
+#define MTK_PHY_RG_ANA_CALEN BIT(8)
+#define MTK_PHY_RG_ZCALEN_A BIT(0)
+
+#define MTK_PHY_RG_ANA_CAL_RG1 0xdc
+#define MTK_PHY_RG_ZCALEN_B BIT(12)
+#define MTK_PHY_RG_ZCALEN_C BIT(8)
+#define MTK_PHY_RG_ZCALEN_D BIT(4)
+#define MTK_PHY_RG_TXVOS_CALEN BIT(0)
+
+#define MTK_PHY_RG_ANA_CAL_RG5 0xe0
+#define MTK_PHY_RG_REXT_TRIM_MASK GENMASK(13, 8)
+
+#define MTK_PHY_RG_TX_FILTER 0xfe
+
+#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG120 0x120
+#define MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK GENMASK(12, 8)
+#define MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK GENMASK(4, 0)
+
+#define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122 0x122
+#define MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK GENMASK(7, 0)
+
+#define MTK_PHY_RG_TESTMUX_ADC_CTRL 0x144
+#define MTK_PHY_RG_TXEN_DIG_MASK GENMASK(5, 5)
+
+#define MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B 0x172
+#define MTK_PHY_CR_TX_AMP_OFFSET_A_MASK GENMASK(13, 8)
+#define MTK_PHY_CR_TX_AMP_OFFSET_B_MASK GENMASK(6, 0)
+
+#define MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D 0x173
+#define MTK_PHY_CR_TX_AMP_OFFSET_C_MASK GENMASK(13, 8)
+#define MTK_PHY_CR_TX_AMP_OFFSET_D_MASK GENMASK(6, 0)
+
+#define MTK_PHY_RG_AD_CAL_COMP 0x17a
+#define MTK_PHY_AD_CAL_COMP_OUT_SHIFT (8)
+
+#define MTK_PHY_RG_AD_CAL_CLK 0x17b
+#define MTK_PHY_DA_CAL_CLK BIT(0)
+
+#define MTK_PHY_RG_AD_CALIN 0x17c
+#define MTK_PHY_DA_CALIN_FLAG BIT(0)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_A 0x17d
+#define MTK_PHY_FORCE_DASN_DAC_IN0_A BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_B 0x17e
+#define MTK_PHY_FORCE_DASN_DAC_IN0_B BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_C 0x17f
+#define MTK_PHY_FORCE_DASN_DAC_IN0_C BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_D 0x180
+#define MTK_PHY_FORCE_DASN_DAC_IN0_D BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_A 0x181
+#define MTK_PHY_FORCE_DASN_DAC_IN1_A BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_B 0x182
+#define MTK_PHY_FORCE_DASN_DAC_IN1_B BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_C 0x183
+#define MTK_PHY_FORCE_DASN_DAC_IN1_C BIT(15)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_D 0x184
+#define MTK_PHY_FORCE_DASN_DAC_IN1_D BIT(15)
+
+#define MTK_PHY_RG_DEV1E_REG19b 0x19b
+#define MTK_PHY_BYPASS_DSP_LPI_READY BIT(8)
+
+#define MTK_PHY_RG_LP_IIR2_K1_L 0x22a
+#define MTK_PHY_RG_LP_IIR2_K1_U 0x22b
+#define MTK_PHY_RG_LP_IIR2_K2_L 0x22c
+#define MTK_PHY_RG_LP_IIR2_K2_U 0x22d
+#define MTK_PHY_RG_LP_IIR2_K3_L 0x22e
+#define MTK_PHY_RG_LP_IIR2_K3_U 0x22f
+#define MTK_PHY_RG_LP_IIR2_K4_L 0x230
+#define MTK_PHY_RG_LP_IIR2_K4_U 0x231
+#define MTK_PHY_RG_LP_IIR2_K5_L 0x232
+#define MTK_PHY_RG_LP_IIR2_K5_U 0x233
+
+#define MTK_PHY_RG_DEV1E_REG234 0x234
+#define MTK_PHY_TR_OPEN_LOOP_EN_MASK GENMASK(0, 0)
+#define MTK_PHY_LPF_X_AVERAGE_MASK GENMASK(7, 4)
+#define MTK_PHY_TR_LP_IIR_EEE_EN BIT(12)
+
+#define MTK_PHY_RG_LPF_CNT_VAL 0x235
+
+#define MTK_PHY_RG_DEV1E_REG238 0x238
+#define MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK GENMASK(8, 0)
+#define MTK_PHY_LPI_SLV_SEND_TX_EN BIT(12)
+
+#define MTK_PHY_RG_DEV1E_REG239 0x239
+#define MTK_PHY_LPI_SEND_LOC_TIMER_MASK GENMASK(8, 0)
+#define MTK_PHY_LPI_TXPCS_LOC_RCV BIT(12)
+
+#define MTK_PHY_RG_DEV1E_REG27C 0x27c
+#define MTK_PHY_VGASTATE_FFE_THR_ST1_MASK GENMASK(12, 8)
+#define MTK_PHY_RG_DEV1E_REG27D 0x27d
+#define MTK_PHY_VGASTATE_FFE_THR_ST2_MASK GENMASK(4, 0)
+
+#define MTK_PHY_RG_DEV1E_REG2C7 0x2c7
+#define MTK_PHY_MAX_GAIN_MASK GENMASK(4, 0)
+#define MTK_PHY_MIN_GAIN_MASK GENMASK(12, 8)
+
+#define MTK_PHY_RG_DEV1E_REG2D1 0x2d1
+#define MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK GENMASK(7, 0)
+#define MTK_PHY_LPI_SKIP_SD_SLV_TR BIT(8)
+#define MTK_PHY_LPI_TR_READY BIT(9)
+#define MTK_PHY_LPI_VCO_EEE_STG0_EN BIT(10)
+
+#define MTK_PHY_RG_DEV1E_REG323 0x323
+#define MTK_PHY_EEE_WAKE_MAS_INT_DC BIT(0)
+#define MTK_PHY_EEE_WAKE_SLV_INT_DC BIT(4)
+
+#define MTK_PHY_RG_DEV1E_REG324 0x324
+#define MTK_PHY_SMI_DETCNT_MAX_MASK GENMASK(5, 0)
+#define MTK_PHY_SMI_DET_MAX_EN BIT(8)
+
+#define MTK_PHY_RG_DEV1E_REG326 0x326
+#define MTK_PHY_LPI_MODE_SD_ON BIT(0)
+#define MTK_PHY_RESET_RANDUPD_CNT BIT(1)
+#define MTK_PHY_TREC_UPDATE_ENAB_CLR BIT(2)
+#define MTK_PHY_LPI_QUIT_WAIT_DFE_SIG_DET_OFF BIT(4)
+#define MTK_PHY_TR_READY_SKIP_AFE_WAKEUP BIT(5)
+
+#define MTK_PHY_LDO_PUMP_EN_PAIRAB 0x502
+#define MTK_PHY_LDO_PUMP_EN_PAIRCD 0x503
+
+#define MTK_PHY_DA_TX_R50_PAIR_A 0x53d
+#define MTK_PHY_DA_TX_R50_PAIR_B 0x53e
+#define MTK_PHY_DA_TX_R50_PAIR_C 0x53f
+#define MTK_PHY_DA_TX_R50_PAIR_D 0x540
+
+#define MTK_PHY_RG_BG_RASEL 0x115
+#define MTK_PHY_RG_BG_RASEL_MASK GENMASK(2, 0)
+
+/* These macro privides efuse parsing for internal phy. */
+#define EFS_DA_TX_I2MPB_A(x) (((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_B(x) (((x) >> 6) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_C(x) (((x) >> 12) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_D(x) (((x) >> 18) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_A(x) (((x) >> 24) & GENMASK(5, 0))
+
+#define EFS_DA_TX_AMP_OFFSET_B(x) (((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_C(x) (((x) >> 6) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_D(x) (((x) >> 12) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_A(x) (((x) >> 18) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_B(x) (((x) >> 24) & GENMASK(5, 0))
+
+#define EFS_DA_TX_R50_C(x) (((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_D(x) (((x) >> 6) & GENMASK(5, 0))
+
+#define EFS_RG_BG_RASEL(x) (((x) >> 4) & GENMASK(2, 0))
+#define EFS_RG_REXT_TRIM(x) (((x) >> 7) & GENMASK(5, 0))
+
+enum {
+ NO_PAIR,
+ PAIR_A,
+ PAIR_B,
+ PAIR_C,
+ PAIR_D,
+};
+
+enum {
+ GPHY_PORT0,
+ GPHY_PORT1,
+ GPHY_PORT2,
+ GPHY_PORT3,
+};
+
+enum calibration_mode {
+ EFUSE_K,
+ SW_K
+};
+
+enum CAL_ITEM {
+ REXT,
+ TX_OFFSET,
+ TX_AMP,
+ TX_R50,
+ TX_VCM
+};
+
+enum CAL_MODE {
+ EFUSE_M,
+ SW_M
+};
+
static int mtk_gephy_read_page(struct phy_device *phydev)
{
return __phy_read(phydev, MTK_EXT_PAGE_ACCESS);
@@ -68,9 +334,864 @@ static int mt7531_phy_config_init(struct phy_device *phydev)
return 0;
}
+#if IS_ENABLED(CONFIG_MEDIATEK_GE_PHY_SOC)
+/* One calibration cycle consists of:
+ * 1.Set DA_CALIN_FLAG high to start calibration. Keep it high
+ * until AD_CAL_COMP is ready to output calibration result.
+ * 2.Wait until DA_CAL_CLK is available.
+ * 3.Fetch AD_CAL_COMP_OUT.
+ */
+static int cal_cycle(struct phy_device *phydev, int devad,
+ u32 regnum, u16 mask, u16 cal_val)
+{
+ int reg_val;
+ int ret;
+
+ phy_modify_mmd(phydev, devad, regnum,
+ mask, cal_val);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
+ MTK_PHY_DA_CALIN_FLAG);
+
+ ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_AD_CAL_CLK, reg_val,
+ reg_val & MTK_PHY_DA_CAL_CLK, 500,
+ ANALOG_INTERNAL_OPERATION_MAX_US, false);
+ if (ret) {
+ dev_err(&phydev->mdio.dev, "Calibration cycle timeout\n");
+ return ret;
+ }
+
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
+ MTK_PHY_DA_CALIN_FLAG);
+ ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP) >>
+ MTK_PHY_AD_CAL_COMP_OUT_SHIFT;
+ dev_dbg(&phydev->mdio.dev, "cal_val: 0x%x, ret: %d\n", cal_val, ret);
+
+ return ret;
+}
+
+static int rext_fill_result(struct phy_device *phydev, u16 *buf)
+{
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+ MTK_PHY_RG_REXT_TRIM_MASK, buf[0] << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_BG_RASEL,
+ MTK_PHY_RG_BG_RASEL_MASK, buf[1]);
+
+ return 0;
+}
+
+static int rext_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+ u16 rext_cal_val[2];
+
+ rext_cal_val[0] = EFS_RG_REXT_TRIM(buf[3]);
+ rext_cal_val[1] = EFS_RG_BG_RASEL(buf[3]);
+ rext_fill_result(phydev, rext_cal_val);
+
+ return 0;
+}
+
+static int tx_offset_fill_result(struct phy_device *phydev, u16 *buf)
+{
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
+ MTK_PHY_CR_TX_AMP_OFFSET_A_MASK, buf[0] << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
+ MTK_PHY_CR_TX_AMP_OFFSET_B_MASK, buf[1]);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
+ MTK_PHY_CR_TX_AMP_OFFSET_C_MASK, buf[2] << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
+ MTK_PHY_CR_TX_AMP_OFFSET_D_MASK, buf[3]);
+
+ return 0;
+}
+
+static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+ u16 tx_offset_cal_val[4];
+
+ tx_offset_cal_val[0] = EFS_DA_TX_AMP_OFFSET_A(buf[0]);
+ tx_offset_cal_val[1] = EFS_DA_TX_AMP_OFFSET_B(buf[1]);
+ tx_offset_cal_val[2] = EFS_DA_TX_AMP_OFFSET_C(buf[1]);
+ tx_offset_cal_val[3] = EFS_DA_TX_AMP_OFFSET_D(buf[1]);
+
+ tx_offset_fill_result(phydev, tx_offset_cal_val);
+
+ return 0;
+}
+
+static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf)
+{
+ int i;
+ int bias[16] = {0};
+ const int vals_9461[16] = { 7, 1, 4, 7,
+ 7, 1, 4, 7,
+ 7, 1, 4, 7,
+ 7, 1, 4, 7 };
+ const int vals_9481[16] = { 10, 6, 6, 10,
+ 10, 6, 6, 10,
+ 10, 6, 6, 10,
+ 10, 6, 6, 10 };
+
+ switch (phydev->drv->phy_id) {
+ case MTK_GPHY_ID_MT7981:
+ /* We add some calibration to efuse values
+ * due to board level influence.
+ * GBE: +7, TBT: +1, HBT: +4, TST: +7
+ */
+ memcpy(bias, (const void *)vals_9461, sizeof(bias));
+ for (i = 0; i <= 12; i += 4) {
+ if (likely(buf[i >> 2] + bias[i] >= 32)) {
+ bias[i] -= 13;
+ } else {
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1,
+ 0x5c, 0x7 << i, bias[i] << i);
+ bias[i + 1] += 13;
+ bias[i + 2] += 13;
+ bias[i + 3] += 13;
+ }
+ }
+ break;
+ case MTK_GPHY_ID_MT7988:
+ memcpy(bias, (const void *)vals_9481, sizeof(bias));
+ break;
+ default:
+ break;
+ }
+
+ /* Prevent overflow */
+ for (i = 0; i < 12; i++) {
+ if (buf[i >> 2] + bias[i] > 63) {
+ buf[i >> 2] = 63;
+ bias[i] = 0;
+ } else if (buf[i >> 2] + bias[i] < 0) {
+ /* Bias caused by board design may change in the future.
+ * So check negative cases, too.
+ */
+ buf[i >> 2] = 0;
+ bias[i] = 0;
+ }
+ }
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
+ MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
+ MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
+ MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
+ MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
+ MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
+ MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
+ MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
+ MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
+ MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
+ MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
+ MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
+ MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
+ MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
+ MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
+ MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
+ MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]);
+
+ return 0;
+}
+
+static int tx_amp_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+ u16 tx_amp_cal_val[4];
+
+ tx_amp_cal_val[0] = EFS_DA_TX_I2MPB_A(buf[0]);
+ tx_amp_cal_val[1] = EFS_DA_TX_I2MPB_B(buf[0]);
+ tx_amp_cal_val[2] = EFS_DA_TX_I2MPB_C(buf[0]);
+ tx_amp_cal_val[3] = EFS_DA_TX_I2MPB_D(buf[0]);
+ tx_amp_fill_result(phydev, tx_amp_cal_val);
+
+ return 0;
+}
+
+static int tx_r50_fill_result(struct phy_device *phydev, u16 tx_r50_cal_val,
+ u8 txg_calen_x)
+{
+ int bias = 0;
+ u16 reg, val;
+
+ if (phydev->drv->phy_id == MTK_GPHY_ID_MT7988)
+ bias = -2;
+
+ val = clamp_val(bias + tx_r50_cal_val, 0, 63);
+
+ switch (txg_calen_x) {
+ case PAIR_A:
+ reg = MTK_PHY_DA_TX_R50_PAIR_A;
+ break;
+ case PAIR_B:
+ reg = MTK_PHY_DA_TX_R50_PAIR_B;
+ break;
+ case PAIR_C:
+ reg = MTK_PHY_DA_TX_R50_PAIR_C;
+ break;
+ case PAIR_D:
+ reg = MTK_PHY_DA_TX_R50_PAIR_D;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, reg, val | val << 8);
+
+ return 0;
+}
+
+static int tx_r50_cal_efuse(struct phy_device *phydev, u32 *buf,
+ u8 txg_calen_x)
+{
+ u16 tx_r50_cal_val;
+
+ switch (txg_calen_x) {
+ case PAIR_A:
+ tx_r50_cal_val = EFS_DA_TX_R50_A(buf[1]);
+ break;
+ case PAIR_B:
+ tx_r50_cal_val = EFS_DA_TX_R50_B(buf[1]);
+ break;
+ case PAIR_C:
+ tx_r50_cal_val = EFS_DA_TX_R50_C(buf[2]);
+ break;
+ case PAIR_D:
+ tx_r50_cal_val = EFS_DA_TX_R50_D(buf[2]);
+ break;
+ default:
+ return -EINVAL;
+ }
+ tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
+
+ return 0;
+}
+
+static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x)
+{
+ u8 lower_idx, upper_idx, txreserve_val;
+ u8 lower_ret, upper_ret;
+ int ret;
+
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+ MTK_PHY_RG_ANA_CALEN);
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+ MTK_PHY_RG_CAL_CKINV);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_TXVOS_CALEN);
+
+ /* Also clear bit[9:0] for MTK_PHY_RG_DASN_DAC_IN0/1_A/B/C/D */
+ switch (rg_txreserve_x) {
+ case PAIR_A:
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN0_A,
+ MTK_PHY_FORCE_DASN_DAC_IN0_A);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN1_A,
+ MTK_PHY_FORCE_DASN_DAC_IN1_A);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_ANA_CAL_RG0,
+ MTK_PHY_RG_ZCALEN_A);
+ break;
+ case PAIR_B:
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN0_B,
+ MTK_PHY_FORCE_DASN_DAC_IN0_B);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN1_B,
+ MTK_PHY_FORCE_DASN_DAC_IN1_B);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_ZCALEN_B);
+ break;
+ case PAIR_C:
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN0_C,
+ MTK_PHY_FORCE_DASN_DAC_IN0_C);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN1_C,
+ MTK_PHY_FORCE_DASN_DAC_IN1_C);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_ZCALEN_C);
+ break;
+ case PAIR_D:
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN0_D,
+ MTK_PHY_FORCE_DASN_DAC_IN0_D);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DASN_DAC_IN1_D,
+ MTK_PHY_FORCE_DASN_DAC_IN1_D);
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_ZCALEN_D);
+ break;
+ default:
+ ret = -EINVAL;
+ goto restore;
+ }
+
+ lower_idx = TXRESERVE_MIN;
+ upper_idx = TXRESERVE_MAX;
+
+ dev_dbg(&phydev->mdio.dev, "Start TX-VCM SW cal.\n");
+ while ((upper_idx - lower_idx) > 1) {
+ txreserve_val = DIV_ROUND_CLOSEST(lower_idx + upper_idx, 2);
+ ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+ MTK_PHY_DA_RX_PSBN_TBT_MASK |
+ MTK_PHY_DA_RX_PSBN_HBT_MASK |
+ MTK_PHY_DA_RX_PSBN_GBE_MASK |
+ MTK_PHY_DA_RX_PSBN_LP_MASK,
+ txreserve_val << 12 | txreserve_val << 8 |
+ txreserve_val << 4 | txreserve_val);
+ if (ret == 1) {
+ upper_idx = txreserve_val;
+ upper_ret = ret;
+ } else if (ret == 0) {
+ lower_idx = txreserve_val;
+ lower_ret = ret;
+ } else {
+ goto restore;
+ }
+ }
+
+ if (lower_idx == TXRESERVE_MIN) {
+ lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RXADC_CTRL_RG9,
+ MTK_PHY_DA_RX_PSBN_TBT_MASK |
+ MTK_PHY_DA_RX_PSBN_HBT_MASK |
+ MTK_PHY_DA_RX_PSBN_GBE_MASK |
+ MTK_PHY_DA_RX_PSBN_LP_MASK,
+ lower_idx << 12 | lower_idx << 8 |
+ lower_idx << 4 | lower_idx);
+ ret = lower_ret;
+ } else if (upper_idx == TXRESERVE_MAX) {
+ upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RXADC_CTRL_RG9,
+ MTK_PHY_DA_RX_PSBN_TBT_MASK |
+ MTK_PHY_DA_RX_PSBN_HBT_MASK |
+ MTK_PHY_DA_RX_PSBN_GBE_MASK |
+ MTK_PHY_DA_RX_PSBN_LP_MASK,
+ upper_idx << 12 | upper_idx << 8 |
+ upper_idx << 4 | upper_idx);
+ ret = upper_ret;
+ }
+ if (ret < 0)
+ goto restore;
+
+ /* We calibrate TX-VCM in different logic. Check upper index and then
+ * lower index. If this calibration is valid, apply lower index's result.
+ */
+ ret = upper_ret - lower_ret;
+ if (ret == 1) {
+ ret = 0;
+ /* Make sure we use upper_idx in our calibration system */
+ cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+ MTK_PHY_DA_RX_PSBN_TBT_MASK |
+ MTK_PHY_DA_RX_PSBN_HBT_MASK |
+ MTK_PHY_DA_RX_PSBN_GBE_MASK |
+ MTK_PHY_DA_RX_PSBN_LP_MASK,
+ upper_idx << 12 | upper_idx << 8 |
+ upper_idx << 4 | upper_idx);
+ dev_dbg(&phydev->mdio.dev, "TX-VCM SW cal result: 0x%x\n",
+ upper_idx);
+ } else if (lower_idx == TXRESERVE_MIN && upper_ret == 1 &&
+ lower_ret == 1) {
+ ret = 0;
+ cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+ MTK_PHY_DA_RX_PSBN_TBT_MASK |
+ MTK_PHY_DA_RX_PSBN_HBT_MASK |
+ MTK_PHY_DA_RX_PSBN_GBE_MASK |
+ MTK_PHY_DA_RX_PSBN_LP_MASK,
+ lower_idx << 12 | lower_idx << 8 |
+ lower_idx << 4 | lower_idx);
+ dev_warn(&phydev->mdio.dev,
+ "TX-VCM SW cal result at low margin 0x%x\n",
+ lower_idx);
+ } else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 &&
+ lower_ret == 0) {
+ ret = 0;
+ dev_warn(&phydev->mdio.dev,
+ "TX-VCM SW cal result at high margin 0x%x\n",
+ upper_idx);
+ } else {
+ ret = -EINVAL;
+ }
+
+restore:
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+ MTK_PHY_RG_ANA_CALEN);
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_TXVOS_CALEN);
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+ MTK_PHY_RG_ZCALEN_A);
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+ MTK_PHY_RG_ZCALEN_B | MTK_PHY_RG_ZCALEN_C |
+ MTK_PHY_RG_ZCALEN_D);
+
+ return ret;
+}
+
+static inline void mt798x_phy_common_finetune(struct phy_device *phydev)
+{
+ u32 i;
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+ /* EnabRandUpdTrig = 1 */
+ __phy_write(phydev, 0x11, 0x2f00);
+ __phy_write(phydev, 0x12, 0xe);
+ __phy_write(phydev, 0x10, 0x8fb0);
+
+ /* NormMseLoThresh = 85 */
+ __phy_write(phydev, 0x11, 0x55a0);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x83aa);
+
+ /* InhibitDisableDfeTail1000 = 1 */
+ __phy_write(phydev, 0x11, 0x2b);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x8f80);
+
+ /* SSTrKp1000Slv = 5 */
+ __phy_write(phydev, 0x11, 0xbaef);
+ __phy_write(phydev, 0x12, 0x2e);
+ __phy_write(phydev, 0x10, 0x968c);
+
+ /* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2,
+ * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2
+ */
+ __phy_write(phydev, 0x11, 0xd10a);
+ __phy_write(phydev, 0x12, 0x34);
+ __phy_write(phydev, 0x10, 0x8f82);
+
+ /* VcoSlicerThreshBitsHigh */
+ __phy_write(phydev, 0x11, 0x5555);
+ __phy_write(phydev, 0x12, 0x55);
+ __phy_write(phydev, 0x10, 0x8ec0);
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+ /* rg_tr_lpf_cnt_val = 512 */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x200);
+
+ /* IIR2 related */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_L, 0x82);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_U, 0x0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_L, 0x103);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_U, 0x0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_L, 0x82);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_U, 0x0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_L, 0xd177);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_U, 0x3);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_L, 0x2c82);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_U, 0xe);
+
+ /* FFE peaking */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27C,
+ MTK_PHY_VGASTATE_FFE_THR_ST1_MASK, 0x1b << 8);
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27D,
+ MTK_PHY_VGASTATE_FFE_THR_ST2_MASK, 0x1e);
+
+ /* TX shape */
+ /* 10/100/1000 TX shaper is enabled by default */
+ for (i = 0x202; i < 0x230; i += 2) {
+ if (i == 0x20c || i == 0x218 || i == 0x224)
+ continue;
+ phy_write_mmd(phydev, MDIO_MMD_VEND2, i, 0x2219);
+ phy_write_mmd(phydev, MDIO_MMD_VEND2, i + 1, 0x23);
+ }
+
+ /* Disable LDO pump */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRAB, 0x0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRCD, 0x0);
+ /* Adjust LDO output voltage */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_OUTPUT_V, 0x2222);
+}
+
+static inline void mt7981_phy_finetune(struct phy_device *phydev)
+{
+ /* 100M eye finetune:
+ * Keep middle level of TX MLT3 shapper as default.
+ * Only change TX MLT3 overshoot level here.
+ */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1,
+ 0x1ce);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1,
+ 0x1c1);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0,
+ 0x20f);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0,
+ 0x202);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1,
+ 0x3d0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1,
+ 0x3c0);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0,
+ 0x13);
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0,
+ 0x5);
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+ /* SlvDSPreadyTime = 24, MasDSPreadyTime = 24 */
+ __phy_write(phydev, 0x11, 0xc71);
+ __phy_write(phydev, 0x12, 0xc);
+ __phy_write(phydev, 0x10, 0x8fae);
+
+ /* TrFreeze = 0 */
+ __phy_write(phydev, 0x11, 0x0);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x9686);
+
+ /* ResetSyncOffset = 6 */
+ __phy_write(phydev, 0x11, 0x600);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x8fc0);
+
+ /* VgaDecRate = 1 */
+ __phy_write(phydev, 0x11, 0x4c2a);
+ __phy_write(phydev, 0x12, 0x3e);
+ __phy_write(phydev, 0x10, 0x8fa4);
+
+ /* FfeUpdGainForce = 4 */
+ __phy_write(phydev, 0x11, 0x240);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x9680);
+
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+}
+
+static inline void mt7988_phy_finetune(struct phy_device *phydev)
+{
+ u16 val[12] = { 0x0187, 0x01cd, 0x01c8, 0x0182,
+ 0x020d, 0x0206, 0x0384, 0x03d0,
+ 0x03c6, 0x030a, 0x0011, 0x0005 };
+ int i;
+
+ for (i = MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TO1;
+ i <= MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0; i++)
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[i]);
+
+ /* TCT finetune */
+ phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5);
+
+ /* Disable TX power saving */
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
+ MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+
+ /* SlvDSPreadyTime = 24, MasDSPreadyTime = 12 */
+ __phy_write(phydev, 0x11, 0x671);
+ __phy_write(phydev, 0x12, 0xc);
+ __phy_write(phydev, 0x10, 0x8fae);
+
+ /* ResetSyncOffset = 5 */
+ __phy_write(phydev, 0x11, 0x500);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x8fc0);
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_2A30);
+ /* TxClkOffset = 2 */
+ __phy_modify(phydev, MTK_PHY_ANARG_RG, MTK_PHY_TCLKOFFSET_MASK,
+ FIELD_PREP(MTK_PHY_TCLKOFFSET_MASK, 0x2));
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+ /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+ MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+ BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+}
+
+static inline void mt798x_phy_eee(struct phy_device *phydev)
+{
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG120,
+ MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK |
+ MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK,
+ FIELD_PREP(MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK, 0x0) |
+ FIELD_PREP(MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK, 0x14));
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122,
+ MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
+ FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
+ 0xff));
+
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_TESTMUX_ADC_CTRL,
+ MTK_PHY_RG_TXEN_DIG_MASK);
+
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DEV1E_REG19b, MTK_PHY_BYPASS_DSP_LPI_READY);
+
+ phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_DEV1E_REG234, MTK_PHY_TR_LP_IIR_EEE_EN);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG238,
+ MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK |
+ MTK_PHY_LPI_SLV_SEND_TX_EN,
+ FIELD_PREP(MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK, 0x120));
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
+ MTK_PHY_LPI_SEND_LOC_TIMER_MASK |
+ MTK_PHY_LPI_TXPCS_LOC_RCV,
+ FIELD_PREP(MTK_PHY_LPI_SEND_LOC_TIMER_MASK, 0x117));
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2C7,
+ MTK_PHY_MAX_GAIN_MASK | MTK_PHY_MIN_GAIN_MASK,
+ FIELD_PREP(MTK_PHY_MAX_GAIN_MASK, 0x8) |
+ FIELD_PREP(MTK_PHY_MIN_GAIN_MASK, 0x13));
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2D1,
+ MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK,
+ FIELD_PREP(MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK,
+ 0x33) |
+ MTK_PHY_LPI_SKIP_SD_SLV_TR | MTK_PHY_LPI_TR_READY |
+ MTK_PHY_LPI_VCO_EEE_STG0_EN);
+
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG323,
+ MTK_PHY_EEE_WAKE_MAS_INT_DC |
+ MTK_PHY_EEE_WAKE_SLV_INT_DC);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG324,
+ MTK_PHY_SMI_DETCNT_MAX_MASK,
+ FIELD_PREP(MTK_PHY_SMI_DETCNT_MAX_MASK, 0x3f) |
+ MTK_PHY_SMI_DET_MAX_EN);
+
+ phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG326,
+ MTK_PHY_LPI_MODE_SD_ON | MTK_PHY_RESET_RANDUPD_CNT |
+ MTK_PHY_TREC_UPDATE_ENAB_CLR |
+ MTK_PHY_LPI_QUIT_WAIT_DFE_SIG_DET_OFF |
+ MTK_PHY_TR_READY_SKIP_AFE_WAKEUP);
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+ /* Regsigdet_sel_1000 = 0 */
+ __phy_write(phydev, 0x11, 0xb);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x9690);
+
+ /* REG_EEE_st2TrKf1000 = 3 */
+ __phy_write(phydev, 0x11, 0x114f);
+ __phy_write(phydev, 0x12, 0x2);
+ __phy_write(phydev, 0x10, 0x969a);
+
+ /* RegEEE_slv_wake_tr_timer_tar = 6, RegEEE_slv_remtx_timer_tar = 20 */
+ __phy_write(phydev, 0x11, 0x3028);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x969e);
+
+ /* RegEEE_slv_wake_int_timer_tar = 8 */
+ __phy_write(phydev, 0x11, 0x5010);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96a0);
+
+ /* RegEEE_trfreeze_timer2 = 586 */
+ __phy_write(phydev, 0x11, 0x24a);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96a8);
+
+ /* RegEEE100Stg1_tar = 16 */
+ __phy_write(phydev, 0x11, 0x3210);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96b8);
+
+ /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 1 */
+ __phy_write(phydev, 0x11, 0x1463);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x96ca);
+
+ /* DfeTailEnableVgaThresh1000 = 27 */
+ __phy_write(phydev, 0x11, 0x36);
+ __phy_write(phydev, 0x12, 0x0);
+ __phy_write(phydev, 0x10, 0x8f80);
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+ phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_3);
+ __phy_modify(phydev, MTK_PHY_LPI_REG_14, MTK_PHY_LPI_WAKE_TIMER_1000_MASK,
+ FIELD_PREP(MTK_PHY_LPI_WAKE_TIMER_1000_MASK, 0x19c));
+
+ __phy_modify(phydev, MTK_PHY_LPI_REG_1c, MTK_PHY_SMI_DET_ON_THRESH_MASK,
+ FIELD_PREP(MTK_PHY_SMI_DET_ON_THRESH_MASK, 0xc));
+ phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1,
+ MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122,
+ MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
+ FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK, 0xff));
+}
+
+static inline int cal_sw(struct phy_device *phydev, enum CAL_ITEM cal_item,
+ u8 start_pair, u8 end_pair)
+{
+ u8 pair_n;
+ int ret;
+
+ for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
+ /* TX_OFFSET & TX_AMP have no SW calibration. */
+ switch (cal_item) {
+ case TX_VCM:
+ ret = tx_vcm_cal_sw(phydev, pair_n);
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static inline int cal_efuse(struct phy_device *phydev, enum CAL_ITEM cal_item,
+ u8 start_pair, u8 end_pair, u32 *buf)
+{
+ u8 pair_n;
+ int ret;
+
+ for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
+ /* TX_VCM has no efuse calibration. */
+ switch (cal_item) {
+ case REXT:
+ ret = rext_cal_efuse(phydev, buf);
+ break;
+ case TX_OFFSET:
+ ret = tx_offset_cal_efuse(phydev, buf);
+ break;
+ case TX_AMP:
+ ret = tx_amp_cal_efuse(phydev, buf);
+ break;
+ case TX_R50:
+ ret = tx_r50_cal_efuse(phydev, buf, pair_n);
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int start_cal(struct phy_device *phydev, enum CAL_ITEM cal_item,
+ enum CAL_MODE cal_mode, u8 start_pair,
+ u8 end_pair, u32 *buf)
+{
+ int ret;
+ char cal_prop[5][20] = { "mediatek,rext", "mediatek,tx_offset",
+ "mediatek,tx_amp", "mediatek,tx_r50",
+ "mediatek,tx_vcm" };
+
+ switch (cal_mode) {
+ case EFUSE_M:
+ ret = cal_efuse(phydev, cal_item, start_pair,
+ end_pair, buf);
+ break;
+ case SW_M:
+ ret = cal_sw(phydev, cal_item, start_pair, end_pair);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (ret) {
+ dev_err(&phydev->mdio.dev, "[%s]cal failed\n", cal_prop[cal_item]);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int mt798x_phy_calibration(struct phy_device *phydev)
+{
+ int ret = 0;
+ u32 *buf;
+ size_t len;
+ struct nvmem_cell *cell;
+
+ if (phydev->interface != PHY_INTERFACE_MODE_GMII)
+ return -EINVAL;
+
+ cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data");
+ if (IS_ERR(cell)) {
+ if (PTR_ERR(cell) == -EPROBE_DEFER)
+ return PTR_ERR(cell);
+ return 0;
+ }
+
+ buf = (u32 *)nvmem_cell_read(cell, &len);
+ if (IS_ERR(buf))
+ return PTR_ERR(buf);
+ nvmem_cell_put(cell);
+
+ if (!buf[0] || !buf[1] || !buf[2] || !buf[3] || len < 4 * sizeof(u32)) {
+ dev_err(&phydev->mdio.dev, "invalid efuse data\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = start_cal(phydev, REXT, EFUSE_M, NO_PAIR, NO_PAIR, buf);
+ if (ret)
+ goto out;
+ ret = start_cal(phydev, TX_OFFSET, EFUSE_M, NO_PAIR, NO_PAIR, buf);
+ if (ret)
+ goto out;
+ ret = start_cal(phydev, TX_AMP, EFUSE_M, NO_PAIR, NO_PAIR, buf);
+ if (ret)
+ goto out;
+ ret = start_cal(phydev, TX_R50, EFUSE_M, PAIR_A, PAIR_D, buf);
+ if (ret)
+ goto out;
+ ret = start_cal(phydev, TX_VCM, SW_M, PAIR_A, PAIR_A, buf);
+ if (ret)
+ goto out;
+
+out:
+ kfree(buf);
+ return ret;
+}
+
+static int mt7981_phy_probe(struct phy_device *phydev)
+{
+ mt798x_phy_common_finetune(phydev);
+ mt7981_phy_finetune(phydev);
+ mt798x_phy_eee(phydev);
+
+ return mt798x_phy_calibration(phydev);
+}
+
+static int mt7988_phy_probe(struct phy_device *phydev)
+{
+ mt798x_phy_common_finetune(phydev);
+ mt7988_phy_finetune(phydev);
+ mt798x_phy_eee(phydev);
+
+ return mt798x_phy_calibration(phydev);
+}
+#endif
+
static struct phy_driver mtk_gephy_driver[] = {
{
- PHY_ID_MATCH_EXACT(0x03a29412),
+ PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7530),
.name = "MediaTek MT7530 PHY",
.config_init = mt7530_phy_config_init,
/* Interrupts are handled by the switch, not the PHY
@@ -84,7 +1205,7 @@ static struct phy_driver mtk_gephy_driver[] = {
.write_page = mtk_gephy_write_page,
},
{
- PHY_ID_MATCH_EXACT(0x03a29441),
+ PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7531),
.name = "MediaTek MT7531 PHY",
.config_init = mt7531_phy_config_init,
/* Interrupts are handled by the switch, not the PHY
@@ -97,16 +1218,42 @@ static struct phy_driver mtk_gephy_driver[] = {
.read_page = mtk_gephy_read_page,
.write_page = mtk_gephy_write_page,
},
+#if IS_ENABLED(CONFIG_MEDIATEK_GE_PHY_SOC)
+ {
+ PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7981),
+ .name = "MediaTek MT7981 PHY",
+ .probe = mt7981_phy_probe,
+ .config_intr = genphy_no_config_intr,
+ .handle_interrupt = genphy_handle_interrupt_no_ack,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .read_page = mtk_gephy_read_page,
+ .write_page = mtk_gephy_write_page,
+ },
+ {
+ PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7988),
+ .name = "MediaTek MT7988 PHY",
+ .probe = mt7988_phy_probe,
+ .config_intr = genphy_no_config_intr,
+ .handle_interrupt = genphy_handle_interrupt_no_ack,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .read_page = mtk_gephy_read_page,
+ .write_page = mtk_gephy_write_page,
+ },
+#endif
};
module_phy_driver(mtk_gephy_driver);
static struct mdio_device_id __maybe_unused mtk_gephy_tbl[] = {
- { PHY_ID_MATCH_VENDOR(0x03a29400) },
+ { PHY_ID_MATCH_VENDOR(MTK_GPHY_ID_VENDOR) },
{ }
};
MODULE_DESCRIPTION("MediaTek Gigabit Ethernet PHY driver");
+MODULE_AUTHOR("Daniel Golle <daniel@...rotopia.org>");
+MODULE_AUTHOR("SkyLake Huang <SkyLake.Huang@...iatek.com>");
MODULE_AUTHOR("DENG, Qingfang <dqfext@...il.com>");
MODULE_LICENSE("GPL");
--
2.40.0
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