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- From a6f143af419bfc3f52d82e88ac033d9833e720af Mon Sep 17 00:00:00 2001
- From: Daniel Golle <[email protected]>
- Date: Mon, 13 Feb 2023 02:33:14 +0000
- Subject: [PATCH] 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 <[email protected]>
- ---
- MAINTAINERS | 8 +
- drivers/net/phy/Kconfig | 12 +
- drivers/net/phy/mediatek-ge.c | 1351 +++++++++++++++++++++++++++++++++
- 3 files changed, 1371 insertions(+)
- --- a/MAINTAINERS
- +++ b/MAINTAINERS
- @@ -11797,6 +11797,14 @@ 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 <[email protected]>
- +M: Qingfang Deng <[email protected]>
- +M: SkyLake Huang <[email protected]>
- +L: [email protected]
- +S: Maintained
- +F: drivers/net/phy/mediatek-ge.c
- +
- MEDIATEK I2C CONTROLLER DRIVER
- M: Qii Wang <[email protected]>
- L: [email protected]
- --- a/drivers/net/phy/Kconfig
- +++ b/drivers/net/phy/Kconfig
- @@ -292,6 +292,18 @@ 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"
- help
- --- a/drivers/net/phy/mediatek-ge.c
- +++ b/drivers/net/phy/mediatek-ge.c
- @@ -2,6 +2,9 @@
- #include <linux/of.h>
- #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_EXT_PAGE_ACCESS 0x1f
- @@ -12,6 +15,275 @@
- #define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30
- #define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5
-
- +#define ANALOG_INTERNAL_OPERATION_MAX_US (20)
- +#define ZCAL_CTRL_MIN (0)
- +#define ZCAL_CTRL_MAX (63)
- +#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 */
- +enum {
- + MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TO1 = 0,
- + MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1,
- + MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1,
- + MTK_PHY_MIDDLE_LEVEL_SHAPPER_1TO0,
- + MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0,
- + MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0,
- + MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TON1, /* N means negative */
- + MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1,
- + MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1,
- + MTK_PHY_MIDDLE_LEVEL_SHAPPER_N1TO0,
- + MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0,
- + MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0,
- + MTK_PHY_TX_MLT3_END,
- +};
- +
- +#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_TANA_CAL_MODE (0xc1)
- +#define MTK_PHY_TANA_CAL_MODE_SHIFT (8)
- +
- +#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_REXT_CALEN BIT(4)
- +#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_RG2 (0xdd)
- +#define MTK_PHY_RG_TXG_CALEN_A BIT(12)
- +#define MTK_PHY_RG_TXG_CALEN_B BIT(8)
- +#define MTK_PHY_RG_TXG_CALEN_C BIT(4)
- +#define MTK_PHY_RG_TXG_CALEN_D BIT(0)
- +
- +#define MTK_PHY_RG_ANA_CAL_RG5 (0xe0)
- +#define MTK_PHY_RG_REXT_TRIM_MASK GENMASK(13, 8)
- +#define MTK_PHY_RG_ZCAL_CTRL_MASK GENMASK(5, 0)
- +
- +#define MTK_PHY_RG_TX_FILTER (0xfe)
- +
- +#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 (0x180)
- +#define MTK_PHY_DASN_DAC_IN1_D_MASK GENMASK(9, 0)
- +
- +#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_RG_LPF_CNT_VAL (0x235)
- +
- +#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_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_LED0_ON_MASK GENMASK(6, 0)
- +#define MTK_PHY_LED0_ON_LINK1000 BIT(0)
- +#define MTK_PHY_LED0_ON_LINK100 BIT(1)
- +#define MTK_PHY_LED0_ON_LINK10 BIT(2)
- +#define MTK_PHY_LED0_ON_LINKDOWN BIT(3)
- +#define MTK_PHY_LED0_ON_FDX BIT(4) /* Full duplex */
- +#define MTK_PHY_LED0_ON_HDX BIT(5) /* Half duplex */
- +#define MTK_PHY_LED0_FORCE_ON BIT(6)
- +#define MTK_PHY_LED0_POLARITY BIT(14)
- +#define MTK_PHY_LED0_ENABLE BIT(15)
- +
- +#define MTK_PHY_LED0_BLINK_CTRL (0x25)
- +#define MTK_PHY_LED0_1000TX BIT(0)
- +#define MTK_PHY_LED0_1000RX BIT(1)
- +#define MTK_PHY_LED0_100TX BIT(2)
- +#define MTK_PHY_LED0_100RX BIT(3)
- +#define MTK_PHY_LED0_10TX BIT(4)
- +#define MTK_PHY_LED0_10RX BIT(5)
- +#define MTK_PHY_LED0_COLLISION BIT(6)
- +#define MTK_PHY_LED0_RX_CRC_ERR BIT(7)
- +#define MTK_PHY_LED0_RX_IDLE_ERR BIT(8)
- +#define MTK_PHY_LED0_FORCE_BLINK BIT(9)
- +
- +#define MTK_PHY_ANA_TEST_BUS_CTRL_RG (0x100)
- +#define MTK_PHY_ANA_TEST_MODE_MASK GENMASK(15, 8)
- +
- +#define MTK_PHY_RG_DASN_TXT_DMY2 (0x110)
- +#define MTK_PHY_TST_DMY2_MASK GENMASK(5, 0)
- +
- +#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_DA_TX_R50_A_10M(x) (((x) >> 12) & GENMASK(5, 0))
- +#define EFS_DA_TX_R50_B_10M(x) (((x) >> 18) & 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 {
- + SW_EFUSE_M,
- + EFUSE_M,
- + SW_M
- +};
- +
- +const u8 mt798x_zcal_to_r50[64] = {
- + 7, 8, 9, 9, 10, 10, 11, 11,
- + 12, 13, 13, 14, 14, 15, 16, 16,
- + 17, 18, 18, 19, 20, 21, 21, 22,
- + 23, 24, 24, 25, 26, 27, 28, 29,
- + 30, 31, 32, 33, 34, 35, 36, 37,
- + 38, 40, 41, 42, 43, 45, 46, 48,
- + 49, 51, 52, 54, 55, 57, 59, 61,
- + 62, 63, 63, 63, 63, 63, 63, 63
- +};
- +
- +const char pair[4] = {'A', 'B', 'C', 'D'};
- +
- static int mtk_gephy_read_page(struct phy_device *phydev)
- {
- return __phy_read(phydev, MTK_EXT_PAGE_ACCESS);
- @@ -102,6 +374,1059 @@ static int mt7531_phy_config_init(struct
- return 0;
- }
-
- +#ifdef 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)
- +{
- + unsigned long timeout;
- + 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);
- +
- + timeout = jiffies + usecs_to_jiffies(ANALOG_INTERNAL_OPERATION_MAX_US);
- + do {
- + reg_val = phy_read_mmd(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_AD_CAL_CLK);
- + } while (time_before(jiffies, timeout) && !(reg_val & BIT(0)));
- +
- + if (!(reg_val & BIT(0))) {
- + dev_err(&phydev->mdio.dev, "Calibration cycle timeout\n");
- + return -ETIMEDOUT;
- + }
- +
- + 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 rext_cal_sw(struct phy_device *phydev)
- +{
- + u8 rg_zcal_ctrl_def;
- + u8 zcal_lower, zcal_upper, rg_zcal_ctrl;
- + u8 lower_ret, upper_ret;
- + u16 rext_cal_val[2];
- + int ret;
- +
- + phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
- + MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
- + MTK_PHY_RG_TXVOS_CALEN);
- + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
- + MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN |
- + MTK_PHY_RG_REXT_CALEN);
- + phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
- + MTK_PHY_TST_DMY2_MASK, 0x1);
- +
- + rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5) &
- + MTK_PHY_RG_ZCAL_CTRL_MASK;
- + zcal_lower = ZCAL_CTRL_MIN;
- + zcal_upper = ZCAL_CTRL_MAX;
- +
- + dev_dbg(&phydev->mdio.dev, "Start REXT SW cal.\n");
- + while ((zcal_upper - zcal_lower) > 1) {
- + rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower + zcal_upper, 2);
- + ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl);
- + if (ret == 1) {
- + zcal_upper = rg_zcal_ctrl;
- + upper_ret = ret;
- + } else if (ret == 0) {
- + zcal_lower = rg_zcal_ctrl;
- + lower_ret = ret;
- + } else {
- + goto restore;
- + }
- + }
- +
- + if (zcal_lower == ZCAL_CTRL_MIN) {
- + lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower);
- + ret = lower_ret;
- + } else if (zcal_upper == ZCAL_CTRL_MAX) {
- + upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper);
- + ret = upper_ret;
- + }
- + if (ret < 0)
- + goto restore;
- +
- + ret = upper_ret - lower_ret;
- + if (ret == 1) {
- + rext_cal_val[0] = zcal_upper;
- + rext_cal_val[1] = zcal_upper >> 3;
- + rext_fill_result(phydev, rext_cal_val);
- + dev_info(&phydev->mdio.dev, "REXT SW cal result: 0x%x\n",
- + zcal_upper);
- + ret = 0;
- + } else {
- + ret = -EINVAL;
- + }
- +
- +restore:
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
- + MTK_PHY_ANA_TEST_BUS_CTRL_RG,
- + MTK_PHY_ANA_TEST_MODE_MASK);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
- + MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN |
- + MTK_PHY_RG_REXT_CALEN);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
- + MTK_PHY_TST_DMY2_MASK);
- + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def);
- +
- + return ret;
- +}
- +
- +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 0x03a29461:
- + /* 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 0x03a29481:
- + 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;
- +
- + switch (phydev->drv->phy_id) {
- + case 0x03a29481:
- + {
- + bias = -2;
- + break;
- + }
- + /* 0x03a29461 enters default case */
- + default:
- + break;
- + }
- +
- + 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;
- + }
- +
- + 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;
- + }
- + tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
- +
- + return 0;
- +}
- +
- +static int tx_r50_cal_sw(struct phy_device *phydev, u8 txg_calen_x)
- +{
- + u8 zcal_lower, zcal_upper, rg_zcal_ctrl;
- + u8 lower_ret, upper_ret;
- + u8 rg_zcal_ctrl_def;
- + u16 tx_r50_cal_val;
- + int ret;
- +
- + phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
- + MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
- + MTK_PHY_RG_TXVOS_CALEN);
- + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
- + MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN);
- + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2,
- + BIT(txg_calen_x * 4));
- + phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
- + MTK_PHY_TST_DMY2_MASK, 0x1);
- +
- + rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5) &
- + MTK_PHY_RG_ZCAL_CTRL_MASK;
- + zcal_lower = ZCAL_CTRL_MIN;
- + zcal_upper = ZCAL_CTRL_MAX;
- +
- + dev_dbg(&phydev->mdio.dev, "Start TX-R50 Pair%c SW cal.\n",
- + pair[txg_calen_x]);
- + while ((zcal_upper - zcal_lower) > 1) {
- + rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower + zcal_upper, 2);
- + ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl);
- + if (ret == 1) {
- + zcal_upper = rg_zcal_ctrl;
- + upper_ret = ret;
- + } else if (ret == 0) {
- + zcal_lower = rg_zcal_ctrl;
- + lower_ret = ret;
- + } else {
- + goto restore;
- + }
- + }
- +
- + if (zcal_lower == ZCAL_CTRL_MIN) {
- + lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower);
- + ret = lower_ret;
- + } else if (zcal_upper == ZCAL_CTRL_MAX) {
- + upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
- + MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper);
- + ret = upper_ret;
- + }
- + if (ret < 0)
- + goto restore;
- +
- + ret = upper_ret - lower_ret;
- + if (ret == 1) {
- + tx_r50_cal_val = mt798x_zcal_to_r50[zcal_upper];
- + tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
- + dev_info(&phydev->mdio.dev,
- + "TX-R50 Pair%c SW cal result: 0x%x\n",
- + pair[txg_calen_x], zcal_lower);
- + ret = 0;
- + } else {
- + ret = -EINVAL;
- + }
- +
- +restore:
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
- + MTK_PHY_ANA_TEST_MODE_MASK);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
- + MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN);
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2,
- + BIT(txg_calen_x * 4));
- + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
- + MTK_PHY_TST_DMY2_MASK);
- + phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
- + MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def);
- +
- + return ret;
- +}
- +
- +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;
- +
- + 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_info(&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 mt7981_phy_finetune(struct phy_device *phydev)
- +{
- + u32 i;
- +
- + /* 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);
- +
- + /* TX-AMP finetune:
- + * 100M +4, 1000M +6 to default value.
- + * If efuse values aren't valid, TX-AMP uses the below values.
- + */
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, 0x9824);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
- + 0x9026);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
- + 0x2624);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
- + 0x2426);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
- + 0x2624);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
- + 0x2426);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
- + 0x2624);
- + phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
- + 0x2426);
- +
- + 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);
- +
- + /* SlvDSPreadyTime = 0xc */
- + __phy_write(phydev, 0x11, 0x671);
- + __phy_write(phydev, 0x12, 0xc);
- + __phy_write(phydev, 0x10, 0x8fae);
- +
- + /* 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);
- +
- + /* SSTr related */
- + __phy_write(phydev, 0x11, 0xbaef);
- + __phy_write(phydev, 0x12, 0x2e);
- + __phy_write(phydev, 0x10, 0x968c);
- +
- + /* VcoSlicerThreshBitsHigh */
- + __phy_write(phydev, 0x11, 0x5555);
- + __phy_write(phydev, 0x12, 0x55);
- + __phy_write(phydev, 0x10, 0x8ec0);
- +
- + /* 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);
- +
- + 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);
- +
- + /* 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);
- + }
- +}
- +
- +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 = 0; i < MTK_PHY_TX_MLT3_END; 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);
- + /* EnabRandUpdTrig = 1 */
- + __phy_write(phydev, 0x11, 0x2f00);
- + __phy_write(phydev, 0x12, 0xe);
- + __phy_write(phydev, 0x10, 0x8fb0);
- +
- + /* SlvDSPreadyTime = 0xc */
- + __phy_write(phydev, 0x11, 0x671);
- + __phy_write(phydev, 0x12, 0xc);
- + __phy_write(phydev, 0x10, 0x8fae);
- +
- + /* 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);
- +
- + /* SSTr related */
- + __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);
- +
- + /* 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));
- +
- + /* 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 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 REXT:
- + ret = rext_cal_sw(phydev);
- + break;
- + case TX_R50:
- + ret = tx_r50_cal_sw(phydev, pair_n);
- + break;
- + 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,
- + bool efs_valid, enum CAL_MODE cal_mode, u8 start_pair,
- + u8 end_pair, u32 *buf)
- +{
- + char cal_prop[5][20] = { "mediatek,rext", "mediatek,tx_offset",
- + "mediatek,tx_amp", "mediatek,tx_r50",
- + "mediatek,tx_vcm" };
- + const char *dts_cal_mode;
- + u8 final_cal_mode = 0;
- + bool is_cal = true;
- + int ret, cal_ret;
- +
- + ret = of_property_read_string(phydev->mdio.dev.of_node,
- + cal_prop[cal_item], &dts_cal_mode);
- +
- + switch (cal_mode) {
- + case SW_EFUSE_M:
- + if ((efs_valid && ret) ||
- + (efs_valid && !ret && strcmp("efuse", dts_cal_mode) == 0)) {
- + cal_ret = cal_efuse(phydev, cal_item, start_pair,
- + end_pair, buf);
- + final_cal_mode = EFUSE_K;
- + } else if ((!efs_valid && ret) ||
- + (!ret && strcmp("sw", dts_cal_mode) == 0)) {
- + cal_ret = cal_sw(phydev, cal_item, start_pair, end_pair);
- + final_cal_mode = SW_K;
- + } else {
- + is_cal = false;
- + }
- + break;
- + case EFUSE_M:
- + if ((efs_valid && ret) ||
- + (efs_valid && !ret && strcmp("efuse", dts_cal_mode) == 0)) {
- + cal_ret = cal_efuse(phydev, cal_item, start_pair,
- + end_pair, buf);
- + final_cal_mode = EFUSE_K;
- + } else {
- + is_cal = false;
- + }
- + break;
- + case SW_M:
- + if (ret || (!ret && strcmp("sw", dts_cal_mode) == 0)) {
- + cal_ret = cal_sw(phydev, cal_item, start_pair, end_pair);
- + final_cal_mode = SW_K;
- + } else {
- + is_cal = false;
- + }
- + break;
- + default:
- + return -EINVAL;
- + }
- +
- + if (cal_ret) {
- + dev_err(&phydev->mdio.dev, "[%s]cal failed\n", cal_prop[cal_item]);
- + return -EIO;
- + }
- +
- + if (!is_cal) {
- + dev_dbg(&phydev->mdio.dev, "[%s]K mode: %s(not supported)\n",
- + cal_prop[cal_item], dts_cal_mode);
- + return -EIO;
- + }
- +
- + dev_dbg(&phydev->mdio.dev, "[%s]K mode: %s(dts: %s), efs-valid: %s\n",
- + cal_prop[cal_item],
- + final_cal_mode ? "SW" : "EFUSE",
- + ret ? "not set" : dts_cal_mode,
- + efs_valid ? "yes" : "no");
- + return 0;
- +}
- +
- +static int mt798x_phy_calibration(struct phy_device *phydev)
- +{
- + int ret = 0;
- + u32 *buf;
- + bool efs_valid = true;
- + 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])
- + efs_valid = false;
- +
- + if (len < 4 * sizeof(u32)) {
- + dev_err(&phydev->mdio.dev, "invalid calibration data\n");
- + ret = -EINVAL;
- + goto out;
- + }
- +
- + ret = start_cal(phydev, REXT, efs_valid, SW_EFUSE_M,
- + NO_PAIR, NO_PAIR, buf);
- + if (ret)
- + goto out;
- + ret = start_cal(phydev, TX_OFFSET, efs_valid, EFUSE_M,
- + NO_PAIR, NO_PAIR, buf);
- + if (ret)
- + goto out;
- + ret = start_cal(phydev, TX_AMP, efs_valid, EFUSE_M,
- + NO_PAIR, NO_PAIR, buf);
- + if (ret)
- + goto out;
- + ret = start_cal(phydev, TX_R50, efs_valid, EFUSE_M,
- + PAIR_A, PAIR_D, buf);
- + if (ret)
- + goto out;
- + ret = start_cal(phydev, TX_VCM, efs_valid, 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)
- +{
- + mt7981_phy_finetune(phydev);
- +
- + return mt798x_phy_calibration(phydev);
- +}
- +
- +static int mt7988_phy_probe(struct phy_device *phydev)
- +{
- + struct device_node *np;
- + void __iomem *boottrap;
- + u32 reg;
- + int port;
- +
- + /* Setup LED polarity according to boottrap's polarity */
- + np = of_find_compatible_node(NULL, NULL, "mediatek,boottrap");
- + if (!np)
- + return -ENOENT;
- + boottrap = of_iomap(np, 0);
- + if (!boottrap)
- + return -ENOMEM;
- + reg = readl(boottrap);
- + port = phydev->mdio.addr;
- + if ((port == GPHY_PORT0 && reg & BIT(8)) ||
- + (port == GPHY_PORT1 && reg & BIT(9)) ||
- + (port == GPHY_PORT2 && reg & BIT(10)) ||
- + (port == GPHY_PORT3 && reg & BIT(11))) {
- + phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_ON_CTRL,
- + MTK_PHY_LED0_ENABLE | MTK_PHY_LED0_ON_LINK10 |
- + MTK_PHY_LED0_ON_LINK100 |
- + MTK_PHY_LED0_ON_LINK1000);
- + } else {
- + phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_ON_CTRL,
- + MTK_PHY_LED0_ENABLE | MTK_PHY_LED0_POLARITY |
- + MTK_PHY_LED0_ON_LINK10 |
- + MTK_PHY_LED0_ON_LINK100 |
- + MTK_PHY_LED0_ON_LINK1000);
- + }
- + phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_BLINK_CTRL,
- + MTK_PHY_LED0_1000TX | MTK_PHY_LED0_1000RX |
- + MTK_PHY_LED0_100TX | MTK_PHY_LED0_100RX |
- + MTK_PHY_LED0_10TX | MTK_PHY_LED0_10RX);
- +
- + mt7988_phy_finetune(phydev);
- +
- + return mt798x_phy_calibration(phydev);
- +}
- +#endif
- +
- static struct phy_driver mtk_gephy_driver[] = {
- {
- PHY_ID_MATCH_EXACT(0x03a29412),
- @@ -131,6 +1456,30 @@ static struct phy_driver mtk_gephy_drive
- .read_page = mtk_gephy_read_page,
- .write_page = mtk_gephy_write_page,
- },
- +#ifdef CONFIG_MEDIATEK_GE_PHY_SOC
- + {
- + PHY_ID_MATCH_EXACT(0x03a29461),
- + .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(0x03a29481),
- + .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);
- @@ -141,6 +1490,8 @@ static struct mdio_device_id __maybe_unu
- };
-
- MODULE_DESCRIPTION("MediaTek Gigabit Ethernet PHY driver");
- +MODULE_AUTHOR("Daniel Golle <[email protected]>");
- +MODULE_AUTHOR("SkyLake Huang <[email protected]>");
- MODULE_AUTHOR("DENG, Qingfang <[email protected]>");
- MODULE_LICENSE("GPL");
-
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