| // SPDX-License-Identifier: GPL-2.0+ |
| #include <linux/bitfield.h> |
| #include <linux/bitmap.h> |
| #include <linux/mfd/syscon.h> |
| #include <linux/module.h> |
| #include <linux/nvmem-consumer.h> |
| #include <linux/pinctrl/consumer.h> |
| #include <linux/phy.h> |
| #include <linux/regmap.h> |
| |
| #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_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_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_DASN_DAC_IN0_A_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN0_B 0x17e |
| #define MTK_PHY_DASN_DAC_IN0_B_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN0_C 0x17f |
| #define MTK_PHY_DASN_DAC_IN0_C_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN0_D 0x180 |
| #define MTK_PHY_DASN_DAC_IN0_D_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN1_A 0x181 |
| #define MTK_PHY_DASN_DAC_IN1_A_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN1_B 0x182 |
| #define MTK_PHY_DASN_DAC_IN1_B_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN1_C 0x183 |
| #define MTK_PHY_DASN_DAC_IN1_C_MASK GENMASK(9, 0) |
| |
| #define MTK_PHY_RG_DASN_DAC_IN1_D 0x184 |
| #define MTK_PHY_DASN_DAC_IN1_D_MASK GENMASK(9, 0) |
| |
| #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 |
| |
| /* Registers on MDIO_MMD_VEND2 */ |
| #define MTK_PHY_LED0_ON_CTRL 0x24 |
| #define MTK_PHY_LED1_ON_CTRL 0x26 |
| #define MTK_PHY_LED_ON_MASK GENMASK(6, 0) |
| #define MTK_PHY_LED_ON_LINK1000 BIT(0) |
| #define MTK_PHY_LED_ON_LINK100 BIT(1) |
| #define MTK_PHY_LED_ON_LINK10 BIT(2) |
| #define MTK_PHY_LED_ON_LINK (MTK_PHY_LED_ON_LINK10 |\ |
| MTK_PHY_LED_ON_LINK100 |\ |
| MTK_PHY_LED_ON_LINK1000) |
| #define MTK_PHY_LED_ON_LINKDOWN BIT(3) |
| #define MTK_PHY_LED_ON_FDX BIT(4) /* Full duplex */ |
| #define MTK_PHY_LED_ON_HDX BIT(5) /* Half duplex */ |
| #define MTK_PHY_LED_ON_FORCE_ON BIT(6) |
| #define MTK_PHY_LED_ON_POLARITY BIT(14) |
| #define MTK_PHY_LED_ON_ENABLE BIT(15) |
| |
| #define MTK_PHY_LED0_BLINK_CTRL 0x25 |
| #define MTK_PHY_LED1_BLINK_CTRL 0x27 |
| #define MTK_PHY_LED_BLINK_1000TX BIT(0) |
| #define MTK_PHY_LED_BLINK_1000RX BIT(1) |
| #define MTK_PHY_LED_BLINK_100TX BIT(2) |
| #define MTK_PHY_LED_BLINK_100RX BIT(3) |
| #define MTK_PHY_LED_BLINK_10TX BIT(4) |
| #define MTK_PHY_LED_BLINK_10RX BIT(5) |
| #define MTK_PHY_LED_BLINK_RX (MTK_PHY_LED_BLINK_10RX |\ |
| MTK_PHY_LED_BLINK_100RX |\ |
| MTK_PHY_LED_BLINK_1000RX) |
| #define MTK_PHY_LED_BLINK_TX (MTK_PHY_LED_BLINK_10TX |\ |
| MTK_PHY_LED_BLINK_100TX |\ |
| MTK_PHY_LED_BLINK_1000TX) |
| #define MTK_PHY_LED_BLINK_COLLISION BIT(6) |
| #define MTK_PHY_LED_BLINK_RX_CRC_ERR BIT(7) |
| #define MTK_PHY_LED_BLINK_RX_IDLE_ERR BIT(8) |
| #define MTK_PHY_LED_BLINK_FORCE_BLINK BIT(9) |
| |
| #define MTK_PHY_LED1_DEFAULT_POLARITIES BIT(1) |
| |
| #define MTK_PHY_RG_BG_RASEL 0x115 |
| #define MTK_PHY_RG_BG_RASEL_MASK GENMASK(2, 0) |
| |
| /* 'boottrap' register reflecting the configuration of the 4 PHY LEDs */ |
| #define RG_GPIO_MISC_TPBANK0 0x6f0 |
| #define RG_GPIO_MISC_TPBANK0_BOOTMODE GENMASK(11, 8) |
| |
| /* 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 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 |
| }; |
| |
| #define MTK_PHY_LED_STATE_FORCE_ON 0 |
| #define MTK_PHY_LED_STATE_FORCE_BLINK 1 |
| #define MTK_PHY_LED_STATE_NETDEV 2 |
| |
| struct mtk_socphy_priv { |
| unsigned long led_state; |
| }; |
| |
| struct mtk_socphy_shared { |
| u32 boottrap; |
| struct mtk_socphy_priv priv[4]; |
| }; |
| |
| static int mtk_socphy_read_page(struct phy_device *phydev) |
| { |
| return __phy_read(phydev, MTK_EXT_PAGE_ACCESS); |
| } |
| |
| static int mtk_socphy_write_page(struct phy_device *phydev, int page) |
| { |
| return __phy_write(phydev, MTK_EXT_PAGE_ACCESS, page); |
| } |
| |
| /* 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) { |
| phydev_err(phydev, "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; |
| phydev_dbg(phydev, "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] = {}; |
| 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)); |
| break; |
| case MTK_GPHY_ID_MT7988: |
| memcpy(bias, (const void *)vals_9481, sizeof(bias)); |
| break; |
| } |
| |
| /* Prevent overflow */ |
| for (i = 0; i < 12; i++) { |
| if (buf[i >> 2] + bias[i] > 63) { |
| buf[i >> 2] = 63; |
| 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 = -1; |
| |
| 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); |
| |
| switch (rg_txreserve_x) { |
| case PAIR_A: |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN0_A, |
| MTK_PHY_DASN_DAC_IN0_A_MASK); |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN1_A, |
| MTK_PHY_DASN_DAC_IN1_A_MASK); |
| phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_ANA_CAL_RG0, |
| MTK_PHY_RG_ZCALEN_A); |
| break; |
| case PAIR_B: |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN0_B, |
| MTK_PHY_DASN_DAC_IN0_B_MASK); |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN1_B, |
| MTK_PHY_DASN_DAC_IN1_B_MASK); |
| phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_ANA_CAL_RG1, |
| MTK_PHY_RG_ZCALEN_B); |
| break; |
| case PAIR_C: |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN0_C, |
| MTK_PHY_DASN_DAC_IN0_C_MASK); |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN1_C, |
| MTK_PHY_DASN_DAC_IN1_C_MASK); |
| phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_ANA_CAL_RG1, |
| MTK_PHY_RG_ZCALEN_C); |
| break; |
| case PAIR_D: |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN0_D, |
| MTK_PHY_DASN_DAC_IN0_D_MASK); |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, |
| MTK_PHY_RG_DASN_DAC_IN1_D, |
| MTK_PHY_DASN_DAC_IN1_D_MASK); |
| 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; |
| |
| phydev_dbg(phydev, "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); |
| phydev_dbg(phydev, "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); |
| phydev_warn(phydev, "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; |
| phydev_warn(phydev, "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 void mt798x_phy_common_finetune(struct phy_device *phydev) |
| { |
| 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); |
| |
| /* 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); |
| |
| /* FfeUpdGainForce = 1(Enable), FfeUpdGainForceVal = 4 */ |
| __phy_write(phydev, 0x11, 0x240); |
| __phy_write(phydev, 0x12, 0x0); |
| __phy_write(phydev, 0x10, 0x9680); |
| |
| /* TrFreeze = 0 (mt7988 default) */ |
| __phy_write(phydev, 0x11, 0x0); |
| __phy_write(phydev, 0x12, 0x0); |
| __phy_write(phydev, 0x10, 0x9686); |
| |
| /* SSTrKp100 = 5 */ |
| /* SSTrKf100 = 6 */ |
| /* SSTrKp1000Mas = 5 */ |
| /* SSTrKf1000Mas = 6 */ |
| /* SSTrKp1000Slv = 5 */ |
| /* SSTrKf1000Slv = 6 */ |
| __phy_write(phydev, 0x11, 0xbaef); |
| __phy_write(phydev, 0x12, 0x2e); |
| __phy_write(phydev, 0x10, 0x968c); |
| phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); |
| } |
| |
| static void mt7981_phy_finetune(struct phy_device *phydev) |
| { |
| u16 val[8] = { 0x01ce, 0x01c1, |
| 0x020f, 0x0202, |
| 0x03d0, 0x03c0, |
| 0x0013, 0x0005 }; |
| int i, k; |
| |
| /* 100M eye finetune: |
| * Keep middle level of TX MLT3 shapper as default. |
| * Only change TX MLT3 overshoot level here. |
| */ |
| for (k = 0, i = 1; i < 12; i++) { |
| if (i % 3 == 0) |
| continue; |
| phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]); |
| } |
| |
| phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); |
| /* 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); |
| |
| /* 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); |
| |
| /* 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)); |
| |
| /* 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); |
| |
| /* 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 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; |
| |
| /* Set default MLT3 shaper first */ |
| for (i = 0; i < 12; 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); |
| |
| phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); |
| /* ResetSyncOffset = 5 */ |
| __phy_write(phydev, 0x11, 0x500); |
| __phy_write(phydev, 0x12, 0x0); |
| __phy_write(phydev, 0x10, 0x8fc0); |
| |
| /* VgaDecRate is 1 at default on mt7988 */ |
| |
| /* MrvlTrFix100Kp = 6, MrvlTrFix100Kf = 7, |
| * MrvlTrFix1000Kp = 6, MrvlTrFix1000Kf = 7 |
| */ |
| __phy_write(phydev, 0x11, 0xb90a); |
| __phy_write(phydev, 0x12, 0x6f); |
| __phy_write(phydev, 0x10, 0x8f82); |
| |
| /* RemAckCntLimitCtrl = 1 */ |
| __phy_write(phydev, 0x11, 0xfbba); |
| __phy_write(phydev, 0x12, 0xc3); |
| __phy_write(phydev, 0x10, 0x87f8); |
| |
| phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); |
| |
| /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 10 */ |
| 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, 0xa)); |
| |
| /* rg_tr_lpf_cnt_val = 1023 */ |
| phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x3ff); |
| } |
| |
| static 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)); |
| |
| /* Keep MTK_PHY_LPI_SEND_LOC_TIMER as 375 */ |
| phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239, |
| MTK_PHY_LPI_TXPCS_LOC_RCV); |
| |
| /* This also fixes some IoT issues, such as CH340 */ |
| 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 = 2 */ |
| __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 = 0 */ |
| __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 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 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; |
| |
| 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) { |
| phydev_err(phydev, "cal %d failed\n", 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; |
| |
| 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)) { |
| phydev_err(phydev, "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 mt798x_phy_config_init(struct phy_device *phydev) |
| { |
| switch (phydev->drv->phy_id) { |
| case MTK_GPHY_ID_MT7981: |
| mt7981_phy_finetune(phydev); |
| break; |
| case MTK_GPHY_ID_MT7988: |
| mt7988_phy_finetune(phydev); |
| break; |
| } |
| |
| mt798x_phy_common_finetune(phydev); |
| mt798x_phy_eee(phydev); |
| |
| return mt798x_phy_calibration(phydev); |
| } |
| |
| static int mt798x_phy_hw_led_on_set(struct phy_device *phydev, u8 index, |
| bool on) |
| { |
| unsigned int bit_on = MTK_PHY_LED_STATE_FORCE_ON + (index ? 16 : 0); |
| struct mtk_socphy_priv *priv = phydev->priv; |
| bool changed; |
| |
| if (on) |
| changed = !test_and_set_bit(bit_on, &priv->led_state); |
| else |
| changed = !!test_and_clear_bit(bit_on, &priv->led_state); |
| |
| changed |= !!test_and_clear_bit(MTK_PHY_LED_STATE_NETDEV + |
| (index ? 16 : 0), &priv->led_state); |
| if (changed) |
| return phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ? |
| MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL, |
| MTK_PHY_LED_ON_MASK, |
| on ? MTK_PHY_LED_ON_FORCE_ON : 0); |
| else |
| return 0; |
| } |
| |
| static int mt798x_phy_hw_led_blink_set(struct phy_device *phydev, u8 index, |
| bool blinking) |
| { |
| unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0); |
| struct mtk_socphy_priv *priv = phydev->priv; |
| bool changed; |
| |
| if (blinking) |
| changed = !test_and_set_bit(bit_blink, &priv->led_state); |
| else |
| changed = !!test_and_clear_bit(bit_blink, &priv->led_state); |
| |
| changed |= !!test_bit(MTK_PHY_LED_STATE_NETDEV + |
| (index ? 16 : 0), &priv->led_state); |
| if (changed) |
| return phy_write_mmd(phydev, MDIO_MMD_VEND2, index ? |
| MTK_PHY_LED1_BLINK_CTRL : MTK_PHY_LED0_BLINK_CTRL, |
| blinking ? MTK_PHY_LED_BLINK_FORCE_BLINK : 0); |
| else |
| return 0; |
| } |
| |
| static int mt798x_phy_led_blink_set(struct phy_device *phydev, u8 index, |
| unsigned long *delay_on, |
| unsigned long *delay_off) |
| { |
| bool blinking = false; |
| int err = 0; |
| |
| if (index > 1) |
| return -EINVAL; |
| |
| if (delay_on && delay_off && (*delay_on > 0) && (*delay_off > 0)) { |
| blinking = true; |
| *delay_on = 50; |
| *delay_off = 50; |
| } |
| |
| err = mt798x_phy_hw_led_blink_set(phydev, index, blinking); |
| if (err) |
| return err; |
| |
| return mt798x_phy_hw_led_on_set(phydev, index, false); |
| } |
| |
| static int mt798x_phy_led_brightness_set(struct phy_device *phydev, |
| u8 index, enum led_brightness value) |
| { |
| int err; |
| |
| err = mt798x_phy_hw_led_blink_set(phydev, index, false); |
| if (err) |
| return err; |
| |
| return mt798x_phy_hw_led_on_set(phydev, index, (value != LED_OFF)); |
| } |
| |
| static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_FULL_DUPLEX) | |
| BIT(TRIGGER_NETDEV_HALF_DUPLEX) | |
| BIT(TRIGGER_NETDEV_LINK) | |
| BIT(TRIGGER_NETDEV_LINK_10) | |
| BIT(TRIGGER_NETDEV_LINK_100) | |
| BIT(TRIGGER_NETDEV_LINK_1000) | |
| BIT(TRIGGER_NETDEV_RX) | |
| BIT(TRIGGER_NETDEV_TX)); |
| |
| static int mt798x_phy_led_hw_is_supported(struct phy_device *phydev, u8 index, |
| unsigned long rules) |
| { |
| if (index > 1) |
| return -EINVAL; |
| |
| /* All combinations of the supported triggers are allowed */ |
| if (rules & ~supported_triggers) |
| return -EOPNOTSUPP; |
| |
| return 0; |
| }; |
| |
| static int mt798x_phy_led_hw_control_get(struct phy_device *phydev, u8 index, |
| unsigned long *rules) |
| { |
| unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0); |
| unsigned int bit_netdev = MTK_PHY_LED_STATE_NETDEV + (index ? 16 : 0); |
| unsigned int bit_on = MTK_PHY_LED_STATE_FORCE_ON + (index ? 16 : 0); |
| struct mtk_socphy_priv *priv = phydev->priv; |
| int on, blink; |
| |
| if (index > 1) |
| return -EINVAL; |
| |
| on = phy_read_mmd(phydev, MDIO_MMD_VEND2, |
| index ? MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL); |
| |
| if (on < 0) |
| return -EIO; |
| |
| blink = phy_read_mmd(phydev, MDIO_MMD_VEND2, |
| index ? MTK_PHY_LED1_BLINK_CTRL : |
| MTK_PHY_LED0_BLINK_CTRL); |
| if (blink < 0) |
| return -EIO; |
| |
| if ((on & (MTK_PHY_LED_ON_LINK | MTK_PHY_LED_ON_FDX | MTK_PHY_LED_ON_HDX | |
| MTK_PHY_LED_ON_LINKDOWN)) || |
| (blink & (MTK_PHY_LED_BLINK_RX | MTK_PHY_LED_BLINK_TX))) |
| set_bit(bit_netdev, &priv->led_state); |
| else |
| clear_bit(bit_netdev, &priv->led_state); |
| |
| if (on & MTK_PHY_LED_ON_FORCE_ON) |
| set_bit(bit_on, &priv->led_state); |
| else |
| clear_bit(bit_on, &priv->led_state); |
| |
| if (blink & MTK_PHY_LED_BLINK_FORCE_BLINK) |
| set_bit(bit_blink, &priv->led_state); |
| else |
| clear_bit(bit_blink, &priv->led_state); |
| |
| if (!rules) |
| return 0; |
| |
| if (on & MTK_PHY_LED_ON_LINK) |
| *rules |= BIT(TRIGGER_NETDEV_LINK); |
| |
| if (on & MTK_PHY_LED_ON_LINK10) |
| *rules |= BIT(TRIGGER_NETDEV_LINK_10); |
| |
| if (on & MTK_PHY_LED_ON_LINK100) |
| *rules |= BIT(TRIGGER_NETDEV_LINK_100); |
| |
| if (on & MTK_PHY_LED_ON_LINK1000) |
| *rules |= BIT(TRIGGER_NETDEV_LINK_1000); |
| |
| if (on & MTK_PHY_LED_ON_FDX) |
| *rules |= BIT(TRIGGER_NETDEV_FULL_DUPLEX); |
| |
| if (on & MTK_PHY_LED_ON_HDX) |
| *rules |= BIT(TRIGGER_NETDEV_HALF_DUPLEX); |
| |
| if (blink & MTK_PHY_LED_BLINK_RX) |
| *rules |= BIT(TRIGGER_NETDEV_RX); |
| |
| if (blink & MTK_PHY_LED_BLINK_TX) |
| *rules |= BIT(TRIGGER_NETDEV_TX); |
| |
| return 0; |
| }; |
| |
| static int mt798x_phy_led_hw_control_set(struct phy_device *phydev, u8 index, |
| unsigned long rules) |
| { |
| unsigned int bit_netdev = MTK_PHY_LED_STATE_NETDEV + (index ? 16 : 0); |
| struct mtk_socphy_priv *priv = phydev->priv; |
| u16 on = 0, blink = 0; |
| int ret; |
| |
| if (index > 1) |
| return -EINVAL; |
| |
| if (rules & BIT(TRIGGER_NETDEV_FULL_DUPLEX)) |
| on |= MTK_PHY_LED_ON_FDX; |
| |
| if (rules & BIT(TRIGGER_NETDEV_HALF_DUPLEX)) |
| on |= MTK_PHY_LED_ON_HDX; |
| |
| if (rules & (BIT(TRIGGER_NETDEV_LINK_10) | BIT(TRIGGER_NETDEV_LINK))) |
| on |= MTK_PHY_LED_ON_LINK10; |
| |
| if (rules & (BIT(TRIGGER_NETDEV_LINK_100) | BIT(TRIGGER_NETDEV_LINK))) |
| on |= MTK_PHY_LED_ON_LINK100; |
| |
| if (rules & (BIT(TRIGGER_NETDEV_LINK_1000) | BIT(TRIGGER_NETDEV_LINK))) |
| on |= MTK_PHY_LED_ON_LINK1000; |
| |
| if (rules & BIT(TRIGGER_NETDEV_RX)) { |
| blink |= (on & MTK_PHY_LED_ON_LINK) ? |
| (((on & MTK_PHY_LED_ON_LINK10) ? MTK_PHY_LED_BLINK_10RX : 0) | |
| ((on & MTK_PHY_LED_ON_LINK100) ? MTK_PHY_LED_BLINK_100RX : 0) | |
| ((on & MTK_PHY_LED_ON_LINK1000) ? MTK_PHY_LED_BLINK_1000RX : 0)) : |
| MTK_PHY_LED_BLINK_RX; |
| } |
| |
| if (rules & BIT(TRIGGER_NETDEV_TX)) { |
| blink |= (on & MTK_PHY_LED_ON_LINK) ? |
| (((on & MTK_PHY_LED_ON_LINK10) ? MTK_PHY_LED_BLINK_10TX : 0) | |
| ((on & MTK_PHY_LED_ON_LINK100) ? MTK_PHY_LED_BLINK_100TX : 0) | |
| ((on & MTK_PHY_LED_ON_LINK1000) ? MTK_PHY_LED_BLINK_1000TX : 0)) : |
| MTK_PHY_LED_BLINK_TX; |
| } |
| |
| if (blink || on) |
| set_bit(bit_netdev, &priv->led_state); |
| else |
| clear_bit(bit_netdev, &priv->led_state); |
| |
| ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ? |
| MTK_PHY_LED1_ON_CTRL : |
| MTK_PHY_LED0_ON_CTRL, |
| MTK_PHY_LED_ON_FDX | |
| MTK_PHY_LED_ON_HDX | |
| MTK_PHY_LED_ON_LINK, |
| on); |
| |
| if (ret) |
| return ret; |
| |
| return phy_write_mmd(phydev, MDIO_MMD_VEND2, index ? |
| MTK_PHY_LED1_BLINK_CTRL : |
| MTK_PHY_LED0_BLINK_CTRL, blink); |
| }; |
| |
| static bool mt7988_phy_led_get_polarity(struct phy_device *phydev, int led_num) |
| { |
| struct mtk_socphy_shared *priv = phydev->shared->priv; |
| u32 polarities; |
| |
| if (led_num == 0) |
| polarities = ~(priv->boottrap); |
| else |
| polarities = MTK_PHY_LED1_DEFAULT_POLARITIES; |
| |
| if (polarities & BIT(phydev->mdio.addr)) |
| return true; |
| |
| return false; |
| } |
| |
| static int mt7988_phy_fix_leds_polarities(struct phy_device *phydev) |
| { |
| struct pinctrl *pinctrl; |
| int index; |
| |
| /* Setup LED polarity according to bootstrap use of LED pins */ |
| for (index = 0; index < 2; ++index) |
| phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ? |
| MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL, |
| MTK_PHY_LED_ON_POLARITY, |
| mt7988_phy_led_get_polarity(phydev, index) ? |
| MTK_PHY_LED_ON_POLARITY : 0); |
| |
| /* Only now setup pinctrl to avoid bogus blinking */ |
| pinctrl = devm_pinctrl_get_select(&phydev->mdio.dev, "gbe-led"); |
| if (IS_ERR(pinctrl)) |
| dev_err(&phydev->mdio.bus->dev, "Failed to setup PHY LED pinctrl\n"); |
| |
| return 0; |
| } |
| |
| static int mt7988_phy_probe_shared(struct phy_device *phydev) |
| { |
| struct device_node *np = dev_of_node(&phydev->mdio.bus->dev); |
| struct mtk_socphy_shared *shared = phydev->shared->priv; |
| struct regmap *regmap; |
| u32 reg; |
| int ret; |
| |
| /* The LED0 of the 4 PHYs in MT7988 are wired to SoC pins LED_A, LED_B, |
| * LED_C and LED_D respectively. At the same time those pins are used to |
| * bootstrap configuration of the reference clock source (LED_A), |
| * DRAM DDRx16b x2/x1 (LED_B) and boot device (LED_C, LED_D). |
| * In practise this is done using a LED and a resistor pulling the pin |
| * either to GND or to VIO. |
| * The detected value at boot time is accessible at run-time using the |
| * TPBANK0 register located in the gpio base of the pinctrl, in order |
| * to read it here it needs to be referenced by a phandle called |
| * 'mediatek,pio' in the MDIO bus hosting the PHY. |
| * The 4 bits in TPBANK0 are kept as package shared data and are used to |
| * set LED polarity for each of the LED0. |
| */ |
| regmap = syscon_regmap_lookup_by_phandle(np, "mediatek,pio"); |
| if (IS_ERR(regmap)) |
| return PTR_ERR(regmap); |
| |
| ret = regmap_read(regmap, RG_GPIO_MISC_TPBANK0, ®); |
| if (ret) |
| return ret; |
| |
| shared->boottrap = FIELD_GET(RG_GPIO_MISC_TPBANK0_BOOTMODE, reg); |
| |
| return 0; |
| } |
| |
| static void mt798x_phy_leds_state_init(struct phy_device *phydev) |
| { |
| int i; |
| |
| for (i = 0; i < 2; ++i) |
| mt798x_phy_led_hw_control_get(phydev, i, NULL); |
| } |
| |
| static int mt7988_phy_probe(struct phy_device *phydev) |
| { |
| struct mtk_socphy_shared *shared; |
| struct mtk_socphy_priv *priv; |
| int err; |
| |
| if (phydev->mdio.addr > 3) |
| return -EINVAL; |
| |
| err = devm_phy_package_join(&phydev->mdio.dev, phydev, 0, |
| sizeof(struct mtk_socphy_shared)); |
| if (err) |
| return err; |
| |
| if (phy_package_probe_once(phydev)) { |
| err = mt7988_phy_probe_shared(phydev); |
| if (err) |
| return err; |
| } |
| |
| shared = phydev->shared->priv; |
| priv = &shared->priv[phydev->mdio.addr]; |
| |
| phydev->priv = priv; |
| |
| mt798x_phy_leds_state_init(phydev); |
| |
| err = mt7988_phy_fix_leds_polarities(phydev); |
| if (err) |
| return err; |
| |
| /* Disable TX power saving at probing to: |
| * 1. Meet common mode compliance test criteria |
| * 2. Make sure that TX-VCM calibration works fine |
| */ |
| phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7, |
| MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8); |
| |
| return mt798x_phy_calibration(phydev); |
| } |
| |
| static int mt7981_phy_probe(struct phy_device *phydev) |
| { |
| struct mtk_socphy_priv *priv; |
| |
| priv = devm_kzalloc(&phydev->mdio.dev, sizeof(struct mtk_socphy_priv), |
| GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| phydev->priv = priv; |
| |
| mt798x_phy_leds_state_init(phydev); |
| |
| return mt798x_phy_calibration(phydev); |
| } |
| |
| static struct phy_driver mtk_socphy_driver[] = { |
| { |
| PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7981), |
| .name = "MediaTek MT7981 PHY", |
| .config_init = mt798x_phy_config_init, |
| .config_intr = genphy_no_config_intr, |
| .handle_interrupt = genphy_handle_interrupt_no_ack, |
| .probe = mt7981_phy_probe, |
| .suspend = genphy_suspend, |
| .resume = genphy_resume, |
| .read_page = mtk_socphy_read_page, |
| .write_page = mtk_socphy_write_page, |
| .led_blink_set = mt798x_phy_led_blink_set, |
| .led_brightness_set = mt798x_phy_led_brightness_set, |
| .led_hw_is_supported = mt798x_phy_led_hw_is_supported, |
| .led_hw_control_set = mt798x_phy_led_hw_control_set, |
| .led_hw_control_get = mt798x_phy_led_hw_control_get, |
| }, |
| { |
| PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7988), |
| .name = "MediaTek MT7988 PHY", |
| .config_init = mt798x_phy_config_init, |
| .config_intr = genphy_no_config_intr, |
| .handle_interrupt = genphy_handle_interrupt_no_ack, |
| .probe = mt7988_phy_probe, |
| .suspend = genphy_suspend, |
| .resume = genphy_resume, |
| .read_page = mtk_socphy_read_page, |
| .write_page = mtk_socphy_write_page, |
| .led_blink_set = mt798x_phy_led_blink_set, |
| .led_brightness_set = mt798x_phy_led_brightness_set, |
| .led_hw_is_supported = mt798x_phy_led_hw_is_supported, |
| .led_hw_control_set = mt798x_phy_led_hw_control_set, |
| .led_hw_control_get = mt798x_phy_led_hw_control_get, |
| }, |
| }; |
| |
| module_phy_driver(mtk_socphy_driver); |
| |
| static struct mdio_device_id __maybe_unused mtk_socphy_tbl[] = { |
| { PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7981) }, |
| { PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7988) }, |
| { } |
| }; |
| |
| MODULE_DESCRIPTION("MediaTek SoC Gigabit Ethernet PHY driver"); |
| MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>"); |
| MODULE_AUTHOR("SkyLake Huang <SkyLake.Huang@mediatek.com>"); |
| MODULE_LICENSE("GPL"); |
| |
| MODULE_DEVICE_TABLE(mdio, mtk_socphy_tbl); |