developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | #include <linux/bitfield.h> |
| 3 | #include <linux/module.h> |
| 4 | #include <linux/nvmem-consumer.h> |
| 5 | #include <linux/of_platform.h> |
| 6 | #include <linux/phy.h> |
| 7 | |
| 8 | #define ANALOG_INTERNAL_OPERATION_MAX_US (20) |
| 9 | #define ZCAL_CTRL_MIN (0) |
| 10 | #define ZCAL_CTRL_MAX (63) |
| 11 | #define TXRESERVE_MIN (0) |
| 12 | #define TXRESERVE_MAX (7) |
| 13 | |
| 14 | |
| 15 | #define MTK_EXT_PAGE_ACCESS 0x1f |
| 16 | #define MTK_PHY_PAGE_STANDARD 0x0000 |
| 17 | #define MTK_PHY_PAGE_EXTENDED 0x0001 |
| 18 | #define MTK_PHY_PAGE_EXTENDED_2 0x0002 |
| 19 | #define MTK_PHY_PAGE_EXTENDED_3 0x0003 |
| 20 | #define MTK_PHY_PAGE_EXTENDED_2A30 0x2a30 |
| 21 | #define MTK_PHY_PAGE_EXTENDED_52B5 0x52b5 |
| 22 | |
| 23 | /* Registers on MDIO_MMD_VEND1 */ |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 24 | enum { |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 25 | MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TO1 = 0, |
| 26 | MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1, |
| 27 | MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1, |
| 28 | MTK_PHY_MIDDLE_LEVEL_SHAPPER_1TO0, |
| 29 | MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0, |
| 30 | MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0, |
| 31 | MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TON1, /* N means negative */ |
| 32 | MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1, |
| 33 | MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1, |
| 34 | MTK_PHY_MIDDLE_LEVEL_SHAPPER_N1TO0, |
| 35 | MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0, |
| 36 | MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0, |
| 37 | MTK_PHY_TX_MLT3_END, |
| 38 | }; |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 39 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 40 | #define MTK_PHY_TXVLD_DA_RG (0x12) |
| 41 | #define MTK_PHY_DA_TX_I2MPB_A_GBE_MASK GENMASK(15, 10) |
| 42 | #define MTK_PHY_DA_TX_I2MPB_A_TBT_MASK GENMASK(5, 0) |
| 43 | |
| 44 | #define MTK_PHY_TX_I2MPB_TEST_MODE_A2 (0x16) |
| 45 | #define MTK_PHY_DA_TX_I2MPB_A_HBT_MASK GENMASK(15, 10) |
| 46 | #define MTK_PHY_DA_TX_I2MPB_A_TST_MASK GENMASK(5, 0) |
| 47 | |
| 48 | #define MTK_PHY_TX_I2MPB_TEST_MODE_B1 (0x17) |
| 49 | #define MTK_PHY_DA_TX_I2MPB_B_GBE_MASK GENMASK(13, 8) |
| 50 | #define MTK_PHY_DA_TX_I2MPB_B_TBT_MASK GENMASK(5, 0) |
| 51 | |
| 52 | #define MTK_PHY_TX_I2MPB_TEST_MODE_B2 (0x18) |
| 53 | #define MTK_PHY_DA_TX_I2MPB_B_HBT_MASK GENMASK(13, 8) |
| 54 | #define MTK_PHY_DA_TX_I2MPB_B_TST_MASK GENMASK(5, 0) |
| 55 | |
| 56 | #define MTK_PHY_TX_I2MPB_TEST_MODE_C1 (0x19) |
| 57 | #define MTK_PHY_DA_TX_I2MPB_C_GBE_MASK GENMASK(13, 8) |
| 58 | #define MTK_PHY_DA_TX_I2MPB_C_TBT_MASK GENMASK(5, 0) |
| 59 | |
| 60 | #define MTK_PHY_TX_I2MPB_TEST_MODE_C2 (0x20) |
| 61 | #define MTK_PHY_DA_TX_I2MPB_C_HBT_MASK GENMASK(13, 8) |
| 62 | #define MTK_PHY_DA_TX_I2MPB_C_TST_MASK GENMASK(5, 0) |
| 63 | |
| 64 | #define MTK_PHY_TX_I2MPB_TEST_MODE_D1 (0x21) |
| 65 | #define MTK_PHY_DA_TX_I2MPB_D_GBE_MASK GENMASK(13, 8) |
| 66 | #define MTK_PHY_DA_TX_I2MPB_D_TBT_MASK GENMASK(5, 0) |
| 67 | |
| 68 | #define MTK_PHY_TX_I2MPB_TEST_MODE_D2 (0x22) |
| 69 | #define MTK_PHY_DA_TX_I2MPB_D_HBT_MASK GENMASK(13, 8) |
| 70 | #define MTK_PHY_DA_TX_I2MPB_D_TST_MASK GENMASK(5, 0) |
| 71 | |
| 72 | |
| 73 | #define MTK_PHY_RESERVE_RG_0 (0x27) |
| 74 | #define MTK_PHY_RESERVE_RG_1 (0x28) |
| 75 | |
| 76 | #define MTK_PHY_RG_ANA_TEST_POWERUP_TX (0x3b) |
| 77 | #define MTK_PHY_TANA_CAL_MODE (0xc1) |
| 78 | #define MTK_PHY_TANA_CAL_MODE_SHIFT (8) |
| 79 | |
developer | 5737403 | 2022-10-11 16:43:24 +0800 | [diff] [blame^] | 80 | #define MTK_PHY_RXADC_CTRL_RG7 (0xc6) |
| 81 | #define MTK_PHY_DA_AD_BUF_BIAS_LP_MASK GENMASK(9, 8) |
| 82 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 83 | #define MTK_PHY_RXADC_CTRL_RG9 (0xc8) |
| 84 | #define MTK_PHY_DA_RX_PSBN_TBT_MASK GENMASK(14, 12) |
| 85 | #define MTK_PHY_DA_RX_PSBN_HBT_MASK GENMASK(10, 8) |
| 86 | #define MTK_PHY_DA_RX_PSBN_GBE_MASK GENMASK(6, 4) |
| 87 | #define MTK_PHY_DA_RX_PSBN_LP_MASK GENMASK(2, 0) |
| 88 | |
| 89 | #define MTK_PHY_RG_ANA_CAL_RG0 (0xdb) |
| 90 | #define MTK_PHY_RG_CAL_CKINV BIT(12) |
| 91 | #define MTK_PHY_RG_ANA_CALEN BIT(8) |
| 92 | #define MTK_PHY_RG_REXT_CALEN BIT(4) |
| 93 | #define MTK_PHY_RG_ZCALEN_A BIT(0) |
| 94 | |
| 95 | #define MTK_PHY_RG_ANA_CAL_RG1 (0xdc) |
| 96 | #define MTK_PHY_RG_ZCALEN_B BIT(12) |
| 97 | #define MTK_PHY_RG_ZCALEN_C BIT(8) |
| 98 | #define MTK_PHY_RG_ZCALEN_D BIT(4) |
| 99 | #define MTK_PHY_RG_TXVOS_CALEN BIT(0) |
| 100 | |
| 101 | #define MTK_PHY_RG_ANA_CAL_RG2 (0xdd) |
| 102 | #define MTK_PHY_RG_TXG_CALEN_A BIT(12) |
| 103 | #define MTK_PHY_RG_TXG_CALEN_B BIT(8) |
| 104 | #define MTK_PHY_RG_TXG_CALEN_C BIT(4) |
| 105 | #define MTK_PHY_RG_TXG_CALEN_D BIT(0) |
| 106 | |
| 107 | #define MTK_PHY_RG_ANA_CAL_RG5 (0xe0) |
| 108 | #define MTK_PHY_RG_REXT_TRIM_MASK GENMASK(13, 8) |
| 109 | #define MTK_PHY_RG_ZCAL_CTRL_MASK GENMASK(5, 0) |
| 110 | |
developer | 6de96aa | 2022-09-29 16:46:18 +0800 | [diff] [blame] | 111 | #define MTK_PHY_RG_TX_FILTER (0xfe) |
| 112 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 113 | #define MTK_PHY_RG_DEV1E_REG172 (0x172) |
| 114 | #define MTK_PHY_CR_TX_AMP_OFFSET_A_MASK GENMASK(13, 8) |
| 115 | #define MTK_PHY_CR_TX_AMP_OFFSET_B_MASK GENMASK(6, 0) |
| 116 | |
| 117 | #define MTK_PHY_RG_DEV1E_REG173 (0x173) |
| 118 | #define MTK_PHY_CR_TX_AMP_OFFSET_C_MASK GENMASK(13, 8) |
| 119 | #define MTK_PHY_CR_TX_AMP_OFFSET_D_MASK GENMASK(6, 0) |
| 120 | |
| 121 | #define MTK_PHY_RG_DEV1E_REG174 (0x174) |
| 122 | #define MTK_PHY_RSEL_TX_A_MASK GENMASK(14, 8) |
| 123 | #define MTK_PHY_RSEL_TX_B_MASK GENMASK(6, 0) |
| 124 | |
| 125 | #define MTK_PHY_RG_DEV1E_REG175 (0x175) |
| 126 | #define MTK_PHY_RSEL_TX_C_MASK GENMASK(14, 8) |
| 127 | #define MTK_PHY_RSEL_TX_D_MASK GENMASK(6, 0) |
| 128 | |
| 129 | #define MTK_PHY_RG_DEV1E_REG17A (0x17a) |
| 130 | #define MTK_PHY_AD_CAL_COMP_OUT_SHIFT (8) |
| 131 | |
| 132 | #define MTK_PHY_RG_DEV1E_REG17B (0x17b) |
| 133 | #define MTK_PHY_DA_CAL_CLK BIT(0) |
| 134 | |
| 135 | #define MTK_PHY_RG_DEV1E_REG17C (0x17c) |
| 136 | #define MTK_PHY_DA_CALIN_FLAG BIT(0) |
| 137 | |
| 138 | #define MTK_PHY_RG_DEV1E_REG17D (0x17d) |
| 139 | #define MTK_PHY_DASN_DAC_IN0_A_MASK GENMASK(9, 0) |
| 140 | |
| 141 | #define MTK_PHY_RG_DEV1E_REG17E (0x17e) |
| 142 | #define MTK_PHY_DASN_DAC_IN0_B_MASK GENMASK(9, 0) |
| 143 | |
| 144 | #define MTK_PHY_RG_DEV1E_REG17F (0x17f) |
| 145 | #define MTK_PHY_DASN_DAC_IN0_C_MASK GENMASK(9, 0) |
| 146 | |
| 147 | #define MTK_PHY_RG_DEV1E_REG180 (0x180) |
| 148 | #define MTK_PHY_DASN_DAC_IN0_D_MASK GENMASK(9, 0) |
| 149 | |
| 150 | #define MTK_PHY_RG_DEV1E_REG181 (0x181) |
| 151 | #define MTK_PHY_DASN_DAC_IN1_A_MASK GENMASK(9, 0) |
| 152 | |
| 153 | #define MTK_PHY_RG_DEV1E_REG182 (0x182) |
| 154 | #define MTK_PHY_DASN_DAC_IN1_B_MASK GENMASK(9, 0) |
| 155 | |
| 156 | #define MTK_PHY_RG_DEV1E_REG183 (0x183) |
| 157 | #define MTK_PHY_DASN_DAC_IN1_C_MASK GENMASK(9, 0) |
| 158 | |
| 159 | #define MTK_PHY_RG_DEV1E_REG184 (0x180) |
| 160 | #define MTK_PHY_DASN_DAC_IN1_D_MASK GENMASK(9, 0) |
| 161 | |
| 162 | #define MTK_PHY_RG_DEV1E_REG53D (0x53d) |
| 163 | #define MTK_PHY_DA_TX_R50_A_NORMAL_MASK GENMASK(13, 8) |
| 164 | #define MTK_PHY_DA_TX_R50_A_TBT_MASK GENMASK(5, 0) |
| 165 | |
| 166 | #define MTK_PHY_RG_DEV1E_REG53E (0x53e) |
| 167 | #define MTK_PHY_DA_TX_R50_B_NORMAL_MASK GENMASK(13, 8) |
| 168 | #define MTK_PHY_DA_TX_R50_B_TBT_MASK GENMASK(5, 0) |
| 169 | |
| 170 | #define MTK_PHY_RG_DEV1E_REG53F (0x53f) |
| 171 | #define MTK_PHY_DA_TX_R50_C_NORMAL_MASK GENMASK(13, 8) |
| 172 | #define MTK_PHY_DA_TX_R50_C_TBT_MASK GENMASK(5, 0) |
| 173 | |
| 174 | #define MTK_PHY_RG_DEV1E_REG540 (0x540) |
| 175 | #define MTK_PHY_DA_TX_R50_D_NORMAL_MASK GENMASK(13, 8) |
| 176 | #define MTK_PHY_DA_TX_R50_D_TBT_MASK GENMASK(5, 0) |
| 177 | |
| 178 | |
| 179 | /* Registers on MDIO_MMD_VEND2 */ |
| 180 | #define MTK_PHY_ANA_TEST_BUS_CTRL_RG (0x100) |
| 181 | #define MTK_PHY_ANA_TEST_MODE_MASK GENMASK(15, 8) |
| 182 | |
| 183 | #define MTK_PHY_RG_DEV1F_REG110 (0x110) |
| 184 | #define MTK_PHY_RG_TST_DMY2_MASK GENMASK(5, 0) |
| 185 | #define MTK_PHY_RG_TANA_RESERVE_MASK GENMASK(13, 8) |
| 186 | |
| 187 | #define MTK_PHY_RG_DEV1F_REG115 (0x115) |
| 188 | #define MTK_PHY_RG_BG_RASEL_MASK GENMASK(2, 0) |
| 189 | |
| 190 | /* |
| 191 | * These macro privides efuse parsing for internal phy. |
| 192 | */ |
| 193 | #define EFS_DA_TX_I2MPB_A(x) (((x) >> 0) & GENMASK(5, 0)) |
| 194 | #define EFS_DA_TX_I2MPB_B(x) (((x) >> 6) & GENMASK(5, 0)) |
| 195 | #define EFS_DA_TX_I2MPB_C(x) (((x) >> 12) & GENMASK(5, 0)) |
| 196 | #define EFS_DA_TX_I2MPB_D(x) (((x) >> 18) & GENMASK(5, 0)) |
| 197 | #define EFS_DA_TX_AMP_OFFSET_A(x) (((x) >> 24) & GENMASK(5, 0)) |
| 198 | |
| 199 | #define EFS_DA_TX_AMP_OFFSET_B(x) (((x) >> 0) & GENMASK(5, 0)) |
| 200 | #define EFS_DA_TX_AMP_OFFSET_C(x) (((x) >> 6) & GENMASK(5, 0)) |
| 201 | #define EFS_DA_TX_AMP_OFFSET_D(x) (((x) >> 12) & GENMASK(5, 0)) |
| 202 | #define EFS_DA_TX_R50_A(x) (((x) >> 18) & GENMASK(5, 0)) |
| 203 | #define EFS_DA_TX_R50_B(x) (((x) >> 24) & GENMASK(5, 0)) |
| 204 | |
| 205 | #define EFS_DA_TX_R50_C(x) (((x) >> 0) & GENMASK(5, 0)) |
| 206 | #define EFS_DA_TX_R50_D(x) (((x) >> 6) & GENMASK(5, 0)) |
| 207 | #define EFS_DA_TX_R50_A_10M(x) (((x) >> 12) & GENMASK(5, 0)) |
| 208 | #define EFS_DA_TX_R50_B_10M(x) (((x) >> 18) & GENMASK(5, 0)) |
| 209 | |
| 210 | #define EFS_RG_BG_RASEL(x) (((x) >> 4) & GENMASK(2, 0)) |
| 211 | #define EFS_RG_REXT_TRIM(x) (((x) >> 7) & GENMASK(5, 0)) |
| 212 | |
| 213 | typedef enum { |
| 214 | PAIR_A, |
| 215 | PAIR_B, |
| 216 | PAIR_C, |
| 217 | PAIR_D, |
| 218 | } phy_cal_pair_t; |
| 219 | |
| 220 | const u8 mt798x_zcal_to_r50[64] = { |
| 221 | 7, 8, 9, 9, 10, 10, 11, 11, |
| 222 | 12, 13, 13, 14, 14, 15, 16, 16, |
| 223 | 17, 18, 18, 19, 20, 21, 21, 22, |
| 224 | 23, 24, 24, 25, 26, 27, 28, 29, |
| 225 | 30, 31, 32, 33, 34, 35, 36, 37, |
| 226 | 38, 40, 41, 42, 43, 45, 46, 48, |
| 227 | 49, 51, 52, 54, 55, 57, 59, 61, |
| 228 | 62, 63, 63, 63, 63, 63, 63, 63 |
| 229 | }; |
| 230 | |
| 231 | const char pair[4] = {'A', 'B', 'C', 'D'}; |
| 232 | |
| 233 | #define CAL_NO_PAIR(cal_item, cal_mode, ...) \ |
| 234 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__); |
| 235 | |
| 236 | #define CAL_PAIR_A_TO_A(cal_item, cal_mode, ...) \ |
| 237 | for(i=PAIR_A; i<=PAIR_A; i++) { \ |
| 238 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__, i);\ |
| 239 | if(cal_ret) break; \ |
| 240 | } |
| 241 | |
| 242 | #define CAL_PAIR_A_TO_D(cal_item, cal_mode, ...) \ |
| 243 | for(i=PAIR_A; i<=PAIR_D; i++) { \ |
| 244 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__, i);\ |
| 245 | if(cal_ret) break; \ |
| 246 | } |
| 247 | |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 248 | #define SW_CAL(cal_item, cal_mode_get, pair_mode) \ |
| 249 | if(ret || (!ret && strcmp("sw", cal_mode_get) == 0)) { \ |
| 250 | CAL_##pair_mode(cal_item, sw) \ |
| 251 | } |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 252 | |
| 253 | #define SW_EFUSE_CAL(cal_item, cal_mode_get, pair_mode,...) \ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 254 | if ((efs_valid && ret) || \ |
developer | 5736bab | 2022-08-10 17:32:07 +0800 | [diff] [blame] | 255 | (efs_valid && !ret && strcmp("efuse", cal_mode_get) == 0)) { \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 256 | CAL_##pair_mode(cal_item, efuse, ##__VA_ARGS__) \ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 257 | } else if ((!efs_valid && ret) || \ |
| 258 | (!ret && strcmp("sw", cal_mode_get) == 0)) { \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 259 | CAL_##pair_mode(cal_item, sw) \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | #define EFUSE_CAL(cal_item, cal_mode_get, pair_mode, ...) \ |
| 263 | if ((efs_valid && ret) || \ |
developer | 5736bab | 2022-08-10 17:32:07 +0800 | [diff] [blame] | 264 | (efs_valid && !ret && strcmp("efuse", cal_mode_get) == 0)) {\ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 265 | CAL_##pair_mode(cal_item, efuse, ##__VA_ARGS__) \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | #define CAL_FLOW(cal_item, cal_mode, cal_mode_get, pair_mode,...) \ |
| 269 | ret = of_property_read_string(phydev->mdio.dev.of_node, \ |
| 270 | #cal_item, &cal_mode_get); \ |
| 271 | cal_mode##_CAL(cal_item, cal_mode_get, pair_mode, ##__VA_ARGS__)\ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 272 | else { \ |
| 273 | dev_info(&phydev->mdio.dev, "%s cal mode %s%s," \ |
| 274 | " use default value," \ |
| 275 | " efs-valid: %s", \ |
| 276 | #cal_item, \ |
| 277 | ret? "" : cal_mode_get, \ |
| 278 | ret? "not specified" : " not supported", \ |
| 279 | efs_valid? "yes" : "no"); \ |
| 280 | } \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 281 | if(cal_ret) { \ |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 282 | dev_err(&phydev->mdio.dev, "%s cal failed\n", #cal_item);\ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 283 | ret = -EIO; \ |
| 284 | goto out; \ |
| 285 | } |
| 286 | |
| 287 | static int mtk_gephy_read_page(struct phy_device *phydev) |
| 288 | { |
| 289 | return __phy_read(phydev, MTK_EXT_PAGE_ACCESS); |
| 290 | } |
| 291 | |
| 292 | static int mtk_gephy_write_page(struct phy_device *phydev, int page) |
| 293 | { |
| 294 | return __phy_write(phydev, MTK_EXT_PAGE_ACCESS, page); |
| 295 | } |
| 296 | |
| 297 | /* |
| 298 | * One calibration cycle consists of: |
| 299 | * 1.Set DA_CALIN_FLAG high to start calibration. Keep it high |
| 300 | * until AD_CAL_COMP is ready to output calibration result. |
| 301 | * 2.Wait until DA_CAL_CLK is available. |
| 302 | * 3.Fetch AD_CAL_COMP_OUT. |
| 303 | */ |
| 304 | static int cal_cycle(struct phy_device *phydev, int devad, |
| 305 | u32 regnum, u16 mask, u16 cal_val) |
| 306 | { |
| 307 | unsigned long timeout; |
| 308 | int reg_val; |
| 309 | int ret; |
| 310 | |
| 311 | phy_modify_mmd(phydev, devad, regnum, |
| 312 | mask, cal_val); |
| 313 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17C, |
| 314 | MTK_PHY_DA_CALIN_FLAG); |
| 315 | |
| 316 | timeout = jiffies + usecs_to_jiffies(ANALOG_INTERNAL_OPERATION_MAX_US); |
| 317 | do{ |
| 318 | reg_val = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17B); |
| 319 | } while(time_before(jiffies, timeout) && !(reg_val & BIT(0))); |
| 320 | |
| 321 | if(!(reg_val & BIT(0))) { |
| 322 | dev_err(&phydev->mdio.dev, "Calibration cycle timeout\n"); |
| 323 | return -ETIMEDOUT; |
| 324 | } |
| 325 | |
| 326 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17C, |
| 327 | MTK_PHY_DA_CALIN_FLAG); |
| 328 | ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17A) >> |
| 329 | MTK_PHY_AD_CAL_COMP_OUT_SHIFT; |
| 330 | dev_dbg(&phydev->mdio.dev, "cal_val: 0x%x, ret: %d\n", cal_val, ret); |
| 331 | |
| 332 | return ret; |
| 333 | } |
| 334 | |
| 335 | static int rext_fill_result(struct phy_device *phydev, u16 *buf) |
| 336 | { |
| 337 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 338 | MTK_PHY_RG_REXT_TRIM_MASK, buf[0] << 8); |
| 339 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG115, |
| 340 | MTK_PHY_RG_BG_RASEL_MASK, buf[1]); |
| 341 | |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | static int rext_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 346 | { |
| 347 | u16 rext_cal_val[2]; |
| 348 | |
| 349 | rext_cal_val[0] = EFS_RG_REXT_TRIM(buf[3]); |
| 350 | rext_cal_val[1] = EFS_RG_BG_RASEL(buf[3]); |
| 351 | rext_fill_result(phydev, rext_cal_val); |
| 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | static int rext_cal_sw(struct phy_device *phydev) |
| 357 | { |
| 358 | u8 rg_zcal_ctrl_def; |
| 359 | u8 zcal_lower, zcal_upper, rg_zcal_ctrl; |
| 360 | u8 lower_ret, upper_ret; |
| 361 | u16 rext_cal_val[2]; |
| 362 | int ret; |
| 363 | |
| 364 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 365 | MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8); |
| 366 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 367 | MTK_PHY_RG_TXVOS_CALEN); |
| 368 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 369 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN | MTK_PHY_RG_REXT_CALEN); |
| 370 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 371 | MTK_PHY_RG_TST_DMY2_MASK, 0x1); |
| 372 | |
| 373 | rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5) & |
| 374 | MTK_PHY_RG_ZCAL_CTRL_MASK; |
| 375 | zcal_lower = ZCAL_CTRL_MIN; |
| 376 | zcal_upper = ZCAL_CTRL_MAX; |
| 377 | |
| 378 | dev_dbg(&phydev->mdio.dev, "Start REXT SW cal.\n"); |
| 379 | while((zcal_upper-zcal_lower) > 1) { |
| 380 | rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower+zcal_upper, 2); |
| 381 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 382 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 383 | if(ret == 1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 384 | zcal_upper = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 385 | upper_ret = ret; |
| 386 | } else if(ret == 0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 387 | zcal_lower = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 388 | lower_ret = ret; |
| 389 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 390 | goto restore; |
| 391 | } |
| 392 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 393 | if(zcal_lower == ZCAL_CTRL_MIN) { |
| 394 | ret = lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 395 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower); |
| 396 | } else if(zcal_upper == ZCAL_CTRL_MAX) { |
| 397 | ret = upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 398 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper); |
| 399 | } |
| 400 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 401 | goto restore; |
| 402 | |
| 403 | ret = upper_ret-lower_ret; |
| 404 | if (ret == 1) { |
| 405 | rext_cal_val[0] = zcal_upper; |
| 406 | rext_cal_val[1] = zcal_upper >> 3; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 407 | rext_fill_result(phydev, rext_cal_val); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 408 | dev_info(&phydev->mdio.dev, "REXT SW cal result: 0x%x\n", zcal_upper); |
| 409 | ret = 0; |
| 410 | } else |
| 411 | ret = -EINVAL; |
| 412 | |
| 413 | restore: |
| 414 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 415 | MTK_PHY_ANA_TEST_MODE_MASK); |
| 416 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 417 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN | MTK_PHY_RG_REXT_CALEN); |
| 418 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 419 | MTK_PHY_RG_TST_DMY2_MASK); |
| 420 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 421 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def); |
| 422 | |
| 423 | return ret; |
| 424 | } |
| 425 | |
| 426 | static int tx_offset_fill_result(struct phy_device *phydev, u16 *buf) |
| 427 | { |
| 428 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG172, |
| 429 | MTK_PHY_CR_TX_AMP_OFFSET_A_MASK, buf[0] << 8); |
| 430 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG172, |
| 431 | MTK_PHY_CR_TX_AMP_OFFSET_B_MASK, buf[1]); |
| 432 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG173, |
| 433 | MTK_PHY_CR_TX_AMP_OFFSET_C_MASK, buf[2] << 8); |
| 434 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG173, |
| 435 | MTK_PHY_CR_TX_AMP_OFFSET_D_MASK, buf[3]); |
| 436 | |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 441 | { |
| 442 | u16 tx_offset_cal_val[4]; |
| 443 | |
| 444 | tx_offset_cal_val[0] = EFS_DA_TX_AMP_OFFSET_A(buf[0]); |
| 445 | tx_offset_cal_val[1] = EFS_DA_TX_AMP_OFFSET_B(buf[1]); |
| 446 | tx_offset_cal_val[2] = EFS_DA_TX_AMP_OFFSET_C(buf[1]); |
| 447 | tx_offset_cal_val[3] = EFS_DA_TX_AMP_OFFSET_D(buf[1]); |
| 448 | |
| 449 | tx_offset_fill_result(phydev, tx_offset_cal_val); |
| 450 | |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf) |
| 455 | { |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 456 | int bias[16] = {0}; |
| 457 | switch(phydev->drv->phy_id) { |
| 458 | case 0x03a29461: |
| 459 | { |
| 460 | /* We add some calibration to efuse values: |
| 461 | * GBE: +7, TBT: +1, HBT: +4, TST: +7 |
| 462 | */ |
| 463 | int tmp[16] = { 7, 1, 4, 7, |
| 464 | 7, 1, 4, 7, |
| 465 | 7, 1, 4, 7, |
| 466 | 7, 1, 4, 7 }; |
| 467 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 468 | break; |
| 469 | } |
| 470 | case 0x03a29481: |
| 471 | { |
| 472 | int tmp[16] = { 10, 6, 6, 10, |
| 473 | 10, 6, 6, 10, |
| 474 | 10, 6, 6, 10, |
| 475 | 10, 6, 6, 10 }; |
| 476 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 477 | break; |
| 478 | } |
| 479 | default: |
| 480 | break; |
| 481 | } |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 482 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 483 | MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 484 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 485 | MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 486 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 487 | MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 488 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 489 | MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 490 | |
| 491 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 492 | MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 493 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 494 | MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 495 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 496 | MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 497 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 498 | MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 499 | |
| 500 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 501 | MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 502 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 503 | MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 504 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 505 | MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 506 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 507 | MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 508 | |
| 509 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 510 | MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 511 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 512 | MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 513 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 514 | MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 515 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 516 | MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 517 | |
| 518 | return 0; |
| 519 | } |
| 520 | |
| 521 | static int tx_amp_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 522 | { |
| 523 | u16 tx_amp_cal_val[4]; |
| 524 | |
| 525 | tx_amp_cal_val[0] = EFS_DA_TX_I2MPB_A(buf[0]); |
| 526 | tx_amp_cal_val[1] = EFS_DA_TX_I2MPB_B(buf[0]); |
| 527 | tx_amp_cal_val[2] = EFS_DA_TX_I2MPB_C(buf[0]); |
| 528 | tx_amp_cal_val[3] = EFS_DA_TX_I2MPB_D(buf[0]); |
| 529 | tx_amp_fill_result(phydev, tx_amp_cal_val); |
| 530 | |
| 531 | return 0; |
| 532 | } |
| 533 | |
| 534 | static int tx_r50_fill_result(struct phy_device *phydev, u16 *buf, |
| 535 | phy_cal_pair_t txg_calen_x) |
| 536 | { |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 537 | int bias[4] = {0}; |
| 538 | switch(phydev->drv->phy_id) { |
| 539 | case 0x03a29481: |
| 540 | { |
| 541 | int tmp[16] = { 1, 1, 1, 1 }; |
| 542 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 543 | break; |
| 544 | } |
| 545 | /* 0x03a29461 enters default case */ |
| 546 | default: |
| 547 | break; |
| 548 | } |
| 549 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 550 | switch(txg_calen_x) { |
| 551 | case PAIR_A: |
| 552 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53D, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 553 | MTK_PHY_DA_TX_R50_A_NORMAL_MASK, (buf[0] + bias[0]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 554 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53D, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 555 | MTK_PHY_DA_TX_R50_A_TBT_MASK, (buf[0]) + bias[0]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 556 | break; |
| 557 | case PAIR_B: |
| 558 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53E, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 559 | MTK_PHY_DA_TX_R50_B_NORMAL_MASK, (buf[0] + bias[1])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 560 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53E, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 561 | MTK_PHY_DA_TX_R50_B_TBT_MASK, (buf[0] + bias[1])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 562 | break; |
| 563 | case PAIR_C: |
| 564 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53F, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 565 | MTK_PHY_DA_TX_R50_C_NORMAL_MASK, (buf[0] + bias[2])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 566 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53F, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 567 | MTK_PHY_DA_TX_R50_C_TBT_MASK, (buf[0] + bias[2])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 568 | break; |
| 569 | case PAIR_D: |
| 570 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG540, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 571 | MTK_PHY_DA_TX_R50_D_NORMAL_MASK, (buf[0] + bias[3])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 572 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG540, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame] | 573 | MTK_PHY_DA_TX_R50_D_TBT_MASK, (buf[0] + bias[3])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 574 | break; |
| 575 | } |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | static int tx_r50_cal_efuse(struct phy_device *phydev, u32 *buf, |
| 580 | phy_cal_pair_t txg_calen_x) |
| 581 | { |
| 582 | u16 tx_r50_cal_val[1]; |
| 583 | |
| 584 | switch(txg_calen_x) { |
| 585 | case PAIR_A: |
| 586 | tx_r50_cal_val[0] = EFS_DA_TX_R50_A(buf[1]); |
| 587 | break; |
| 588 | case PAIR_B: |
| 589 | tx_r50_cal_val[0] = EFS_DA_TX_R50_B(buf[1]); |
| 590 | break; |
| 591 | case PAIR_C: |
| 592 | tx_r50_cal_val[0] = EFS_DA_TX_R50_C(buf[2]); |
| 593 | break; |
| 594 | case PAIR_D: |
| 595 | tx_r50_cal_val[0] = EFS_DA_TX_R50_D(buf[2]); |
| 596 | break; |
| 597 | } |
| 598 | tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x); |
| 599 | |
| 600 | return 0; |
| 601 | } |
| 602 | |
| 603 | static int tx_r50_cal_sw(struct phy_device *phydev, phy_cal_pair_t txg_calen_x) |
| 604 | { |
| 605 | u8 rg_zcal_ctrl_def; |
| 606 | u8 zcal_lower, zcal_upper, rg_zcal_ctrl; |
| 607 | u8 lower_ret, upper_ret; |
| 608 | u16 tx_r50_cal_val[1]; |
| 609 | int ret; |
| 610 | |
| 611 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 612 | MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8); |
| 613 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 614 | MTK_PHY_RG_TXVOS_CALEN); |
| 615 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 616 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN); |
| 617 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2, |
| 618 | BIT(txg_calen_x * 4)); |
| 619 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 620 | MTK_PHY_RG_TST_DMY2_MASK, 0x1); |
| 621 | |
| 622 | rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5) & |
| 623 | MTK_PHY_RG_ZCAL_CTRL_MASK; |
| 624 | zcal_lower = ZCAL_CTRL_MIN; |
| 625 | zcal_upper = ZCAL_CTRL_MAX; |
| 626 | |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 627 | dev_dbg(&phydev->mdio.dev, "Start TX-R50 Pair%c SW cal.\n", pair[txg_calen_x]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 628 | while((zcal_upper-zcal_lower) > 1) { |
| 629 | rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower+zcal_upper, 2); |
| 630 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 631 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 632 | if(ret==1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 633 | zcal_upper = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 634 | upper_ret = ret; |
| 635 | } else if(ret==0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 636 | zcal_lower = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 637 | lower_ret = ret; |
| 638 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 639 | goto restore; |
| 640 | } |
| 641 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 642 | if(zcal_lower == ZCAL_CTRL_MIN) { |
| 643 | ret = lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 644 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 645 | } else if(zcal_upper == ZCAL_CTRL_MAX) { |
| 646 | ret = upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 647 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 648 | } |
| 649 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 650 | goto restore; |
| 651 | |
| 652 | ret = upper_ret-lower_ret; |
| 653 | if (ret == 1) { |
| 654 | tx_r50_cal_val[0] = mt798x_zcal_to_r50[zcal_upper]; |
| 655 | tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x); |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 656 | dev_info(&phydev->mdio.dev, "TX-R50 Pair%c SW cal result: 0x%x\n", |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 657 | pair[txg_calen_x], zcal_lower); |
| 658 | ret = 0; |
| 659 | } else |
| 660 | ret = -EINVAL; |
| 661 | |
| 662 | restore: |
| 663 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 664 | MTK_PHY_ANA_TEST_MODE_MASK); |
| 665 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 666 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN); |
| 667 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2, |
| 668 | BIT(txg_calen_x * 4)); |
| 669 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 670 | MTK_PHY_RG_TST_DMY2_MASK); |
| 671 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 672 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def); |
| 673 | |
| 674 | return ret; |
| 675 | } |
| 676 | |
| 677 | static int tx_vcm_cal_sw(struct phy_device *phydev, phy_cal_pair_t rg_txreserve_x) |
| 678 | { |
| 679 | u8 lower_idx, upper_idx, txreserve_val; |
| 680 | u8 lower_ret, upper_ret; |
| 681 | int ret; |
| 682 | |
| 683 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 684 | MTK_PHY_RG_ANA_CALEN); |
| 685 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 686 | MTK_PHY_RG_CAL_CKINV); |
| 687 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 688 | MTK_PHY_RG_TXVOS_CALEN); |
| 689 | |
| 690 | switch(rg_txreserve_x) { |
| 691 | case PAIR_A: |
| 692 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17D, |
| 693 | MTK_PHY_DASN_DAC_IN0_A_MASK); |
| 694 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG181, |
| 695 | MTK_PHY_DASN_DAC_IN1_A_MASK); |
| 696 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 697 | MTK_PHY_RG_ZCALEN_A); |
| 698 | break; |
| 699 | case PAIR_B: |
| 700 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17E, |
| 701 | MTK_PHY_DASN_DAC_IN0_B_MASK); |
| 702 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG182, |
| 703 | MTK_PHY_DASN_DAC_IN1_B_MASK); |
| 704 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 705 | MTK_PHY_RG_ZCALEN_B); |
| 706 | break; |
| 707 | case PAIR_C: |
| 708 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17F, |
| 709 | MTK_PHY_DASN_DAC_IN0_C_MASK); |
| 710 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG183, |
| 711 | MTK_PHY_DASN_DAC_IN1_C_MASK); |
| 712 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 713 | MTK_PHY_RG_ZCALEN_C); |
| 714 | break; |
| 715 | case PAIR_D: |
| 716 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG180, |
| 717 | MTK_PHY_DASN_DAC_IN0_D_MASK); |
| 718 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG184, |
| 719 | MTK_PHY_DASN_DAC_IN1_D_MASK); |
| 720 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 721 | MTK_PHY_RG_ZCALEN_D); |
| 722 | break; |
| 723 | default: |
| 724 | ret = -EINVAL; |
| 725 | goto restore; |
| 726 | } |
| 727 | |
| 728 | lower_idx = TXRESERVE_MIN; |
| 729 | upper_idx = TXRESERVE_MAX; |
| 730 | |
| 731 | dev_dbg(&phydev->mdio.dev, "Start TX-VCM SW cal.\n"); |
| 732 | while((upper_idx-lower_idx) > 1) { |
| 733 | txreserve_val = DIV_ROUND_CLOSEST(lower_idx+upper_idx, 2); |
| 734 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 735 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 736 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 737 | txreserve_val << 12 | txreserve_val << 8 | |
| 738 | txreserve_val << 4 | txreserve_val); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 739 | if(ret==1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 740 | upper_idx = txreserve_val; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 741 | upper_ret = ret; |
| 742 | } else if(ret==0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 743 | lower_idx = txreserve_val; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 744 | lower_ret = ret; |
| 745 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 746 | goto restore; |
| 747 | } |
| 748 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 749 | if(lower_idx == TXRESERVE_MIN) { |
| 750 | ret = lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 751 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 752 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 753 | lower_idx << 12 | lower_idx << 8 | lower_idx << 4 | lower_idx); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 754 | } else if(upper_idx == TXRESERVE_MAX) { |
| 755 | ret = upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 756 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 757 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 758 | upper_idx << 12 | upper_idx << 8 | upper_idx << 4 | upper_idx); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 759 | } |
| 760 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 761 | goto restore; |
| 762 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 763 | /* We calibrate TX-VCM in different logic. Check upper index and then |
| 764 | * lower index. If this calibration is valid, apply lower index's result. |
| 765 | */ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 766 | ret = upper_ret-lower_ret; |
| 767 | if (ret == 1) { |
| 768 | ret = 0; |
developer | b5c76d4 | 2022-08-18 15:45:33 +0800 | [diff] [blame] | 769 | /* Make sure we use upper_idx in our calibration system */ |
| 770 | cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 771 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 772 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 773 | upper_idx << 12 | upper_idx << 8 | upper_idx << 4 | upper_idx); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 774 | dev_info(&phydev->mdio.dev, "TX-VCM SW cal result: 0x%x\n", upper_idx); |
| 775 | } else if (lower_idx == TXRESERVE_MIN && upper_ret == 1 && lower_ret == 1) { |
| 776 | ret = 0; |
| 777 | cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 778 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 779 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 780 | lower_idx << 12 | lower_idx << 8 | lower_idx << 4 | lower_idx); |
| 781 | dev_warn(&phydev->mdio.dev, "TX-VCM SW cal result at low margin 0x%x\n", lower_idx); |
| 782 | } else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 && lower_ret == 0) { |
| 783 | ret = 0; |
| 784 | dev_warn(&phydev->mdio.dev, "TX-VCM SW cal result at high margin 0x%x\n", upper_idx); |
| 785 | } else |
| 786 | ret = -EINVAL; |
| 787 | |
| 788 | restore: |
| 789 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 790 | MTK_PHY_RG_ANA_CALEN); |
| 791 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 792 | MTK_PHY_RG_TXVOS_CALEN); |
| 793 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 794 | MTK_PHY_RG_ZCALEN_A); |
| 795 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 796 | MTK_PHY_RG_ZCALEN_B | MTK_PHY_RG_ZCALEN_C | MTK_PHY_RG_ZCALEN_D); |
| 797 | |
| 798 | return ret; |
| 799 | } |
| 800 | |
| 801 | static void mtk_gephy_config_init(struct phy_device *phydev) |
| 802 | { |
| 803 | /* Disable EEE */ |
| 804 | phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0); |
| 805 | |
| 806 | /* Enable HW auto downshift */ |
| 807 | phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED, 0x14, 0, BIT(4)); |
| 808 | |
| 809 | /* Increase SlvDPSready time */ |
| 810 | phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); |
| 811 | __phy_write(phydev, 0x10, 0xafae); |
| 812 | __phy_write(phydev, 0x12, 0x2f); |
| 813 | __phy_write(phydev, 0x10, 0x8fae); |
| 814 | phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); |
| 815 | |
| 816 | /* Adjust 100_mse_threshold */ |
| 817 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x123, 0xffff); |
| 818 | |
| 819 | /* Disable mcc */ |
| 820 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xa6, 0x300); |
| 821 | } |
| 822 | |
| 823 | static int mt7530_phy_config_init(struct phy_device *phydev) |
| 824 | { |
| 825 | mtk_gephy_config_init(phydev); |
| 826 | |
| 827 | /* Increase post_update_timer */ |
| 828 | phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, 0x11, 0x4b); |
| 829 | |
| 830 | return 0; |
| 831 | } |
| 832 | |
| 833 | static int mt7531_phy_config_init(struct phy_device *phydev) |
| 834 | { |
| 835 | if (phydev->interface != PHY_INTERFACE_MODE_INTERNAL) |
| 836 | return -EINVAL; |
| 837 | |
| 838 | mtk_gephy_config_init(phydev); |
| 839 | |
| 840 | /* PHY link down power saving enable */ |
| 841 | phy_set_bits(phydev, 0x17, BIT(4)); |
| 842 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, 0xc6, 0x300); |
| 843 | |
| 844 | /* Set TX Pair delay selection */ |
| 845 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x13, 0x404); |
| 846 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x14, 0x404); |
| 847 | |
| 848 | return 0; |
| 849 | } |
| 850 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 851 | static inline void mt7981_phy_finetune(struct phy_device *phydev) |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 852 | { |
| 853 | /* 100M eye finetune: |
| 854 | * Keep middle level of TX MLT3 shapper as default. |
| 855 | * Only change TX MLT3 overshoot level here. |
| 856 | */ |
| 857 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1, 0x1ce); |
| 858 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1, 0x1c1); |
| 859 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0, 0x20f); |
| 860 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0, 0x202); |
| 861 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1, 0x3d0); |
| 862 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1, 0x3c0); |
| 863 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0, 0x13); |
| 864 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0, 0x5); |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 865 | |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 866 | /* TX-AMP finetune: |
| 867 | * 100M +4, 1000M +6 to default value. |
| 868 | * If efuse values aren't valid, TX-AMP uses the below values. |
| 869 | */ |
| 870 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, 0x9824); |
| 871 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2, 0x9026); |
| 872 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1, 0x2624); |
| 873 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2, 0x2426); |
| 874 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1, 0x2624); |
| 875 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2, 0x2426); |
| 876 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1, 0x2624); |
| 877 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2, 0x2426); |
| 878 | } |
| 879 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 880 | static inline void mt7988_phy_finetune(struct phy_device *phydev) |
| 881 | { |
| 882 | int i; |
| 883 | u16 val[12] = {0x0187, 0x01cd, 0x01c8, 0x0182, |
| 884 | 0x020d, 0x0206, 0x0384, 0x03d0, |
| 885 | 0x03c6, 0x030a, 0x0011, 0x0005}; |
| 886 | |
| 887 | for(i=0; i<MTK_PHY_TX_MLT3_END; i++) { |
| 888 | phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[i]); |
| 889 | } |
developer | 6de96aa | 2022-09-29 16:46:18 +0800 | [diff] [blame] | 890 | |
developer | 5737403 | 2022-10-11 16:43:24 +0800 | [diff] [blame^] | 891 | /* TCT finetune */ |
developer | 6de96aa | 2022-09-29 16:46:18 +0800 | [diff] [blame] | 892 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5); |
developer | 5737403 | 2022-10-11 16:43:24 +0800 | [diff] [blame^] | 893 | |
| 894 | /* Disable TX power saving */ |
| 895 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7, |
| 896 | MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3); |
| 897 | |
| 898 | /* Slave mode finetune*/ |
| 899 | phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); |
| 900 | __phy_write(phydev, 0x12, 0x0); |
| 901 | __phy_write(phydev, 0x11, 0x700); |
| 902 | __phy_write(phydev, 0x10, 0x9686); |
| 903 | |
| 904 | __phy_write(phydev, 0x12, 0x0); |
| 905 | __phy_write(phydev, 0x11, 0x64); |
| 906 | __phy_write(phydev, 0x10, 0x8f82); |
| 907 | phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); |
| 908 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 909 | } |
| 910 | |
| 911 | static int mt798x_phy_calibration(struct phy_device *phydev) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 912 | { |
| 913 | const char *cal_mode_from_dts; |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 914 | int i, ret; |
| 915 | int cal_ret = 0; |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 916 | u32 *buf; |
| 917 | bool efs_valid = true; |
| 918 | size_t len; |
| 919 | struct nvmem_cell *cell; |
| 920 | |
| 921 | if (phydev->interface != PHY_INTERFACE_MODE_GMII) |
| 922 | return -EINVAL; |
| 923 | |
| 924 | cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data"); |
| 925 | if (IS_ERR(cell)) { |
| 926 | if (PTR_ERR(cell) == -EPROBE_DEFER) |
| 927 | return PTR_ERR(cell); |
| 928 | return 0; |
| 929 | } |
| 930 | |
| 931 | buf = (u32 *)nvmem_cell_read(cell, &len); |
| 932 | if (IS_ERR(buf)) |
| 933 | return PTR_ERR(buf); |
| 934 | nvmem_cell_put(cell); |
| 935 | |
| 936 | if(!buf[0] && !buf[1] && !buf[2] && !buf[3]) |
| 937 | efs_valid = false; |
| 938 | |
| 939 | if (len < 4 * sizeof(u32)) { |
| 940 | dev_err(&phydev->mdio.dev, "invalid calibration data\n"); |
| 941 | ret = -EINVAL; |
| 942 | goto out; |
| 943 | } |
| 944 | |
| 945 | CAL_FLOW(rext, SW_EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 946 | CAL_FLOW(tx_offset, EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 947 | CAL_FLOW(tx_amp, EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 948 | CAL_FLOW(tx_r50, SW_EFUSE, cal_mode_from_dts, PAIR_A_TO_D, buf) |
| 949 | CAL_FLOW(tx_vcm, SW, cal_mode_from_dts, PAIR_A_TO_A) |
developer | 6bd2371 | 2021-12-02 18:02:39 +0800 | [diff] [blame] | 950 | ret = 0; |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 951 | |
| 952 | out: |
| 953 | kfree(buf); |
| 954 | return ret; |
| 955 | } |
| 956 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 957 | static int mt7981_phy_config_init(struct phy_device *phydev) |
| 958 | { |
| 959 | mt7981_phy_finetune(phydev); |
| 960 | |
| 961 | return mt798x_phy_calibration(phydev); |
| 962 | } |
| 963 | |
| 964 | static int mt7988_phy_config_init(struct phy_device *phydev) |
| 965 | { |
| 966 | mt7988_phy_finetune(phydev); |
| 967 | |
| 968 | return mt798x_phy_calibration(phydev); |
| 969 | } |
| 970 | |
| 971 | static int mt7988_phy_probe(struct phy_device *phydev) |
| 972 | { |
| 973 | return mt7988_phy_config_init(phydev); |
| 974 | } |
| 975 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 976 | static struct phy_driver mtk_gephy_driver[] = { |
| 977 | #if 0 |
| 978 | { |
| 979 | PHY_ID_MATCH_EXACT(0x03a29412), |
| 980 | .name = "MediaTek MT7530 PHY", |
| 981 | .config_init = mt7530_phy_config_init, |
| 982 | /* Interrupts are handled by the switch, not the PHY |
| 983 | * itself. |
| 984 | */ |
| 985 | .config_intr = genphy_no_config_intr, |
| 986 | .handle_interrupt = genphy_no_ack_interrupt, |
| 987 | .suspend = genphy_suspend, |
| 988 | .resume = genphy_resume, |
| 989 | .read_page = mtk_gephy_read_page, |
| 990 | .write_page = mtk_gephy_write_page, |
| 991 | }, |
| 992 | { |
| 993 | PHY_ID_MATCH_EXACT(0x03a29441), |
| 994 | .name = "MediaTek MT7531 PHY", |
| 995 | .config_init = mt7531_phy_config_init, |
| 996 | /* Interrupts are handled by the switch, not the PHY |
| 997 | * itself. |
| 998 | */ |
| 999 | .config_intr = genphy_no_config_intr, |
| 1000 | .handle_interrupt = genphy_no_ack_interrupt, |
| 1001 | .suspend = genphy_suspend, |
| 1002 | .resume = genphy_resume, |
| 1003 | .read_page = mtk_gephy_read_page, |
| 1004 | .write_page = mtk_gephy_write_page, |
| 1005 | }, |
| 1006 | #endif |
| 1007 | { |
| 1008 | PHY_ID_MATCH_EXACT(0x03a29461), |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 1009 | .name = "MediaTek MT7981 PHY", |
| 1010 | .config_init = mt7981_phy_config_init, |
| 1011 | /* Interrupts are handled by the switch, not the PHY |
| 1012 | * itself. |
| 1013 | */ |
| 1014 | .config_intr = genphy_no_config_intr, |
| 1015 | .handle_interrupt = genphy_no_ack_interrupt, |
| 1016 | .suspend = genphy_suspend, |
| 1017 | .resume = genphy_resume, |
| 1018 | .read_page = mtk_gephy_read_page, |
| 1019 | .write_page = mtk_gephy_write_page, |
| 1020 | }, |
| 1021 | { |
| 1022 | PHY_ID_MATCH_EXACT(0x03a29481), |
| 1023 | .name = "MediaTek MT7988 PHY", |
| 1024 | .probe = mt7988_phy_probe, |
| 1025 | .config_init = mt7988_phy_config_init, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 1026 | /* Interrupts are handled by the switch, not the PHY |
| 1027 | * itself. |
| 1028 | */ |
| 1029 | .config_intr = genphy_no_config_intr, |
| 1030 | .handle_interrupt = genphy_no_ack_interrupt, |
| 1031 | .suspend = genphy_suspend, |
| 1032 | .resume = genphy_resume, |
| 1033 | .read_page = mtk_gephy_read_page, |
| 1034 | .write_page = mtk_gephy_write_page, |
| 1035 | }, |
| 1036 | }; |
| 1037 | |
| 1038 | module_phy_driver(mtk_gephy_driver); |
| 1039 | |
| 1040 | static struct mdio_device_id __maybe_unused mtk_gephy_tbl[] = { |
| 1041 | { PHY_ID_MATCH_VENDOR(0x03a29400) }, |
| 1042 | { } |
| 1043 | }; |
| 1044 | |
| 1045 | MODULE_DESCRIPTION("MediaTek Gigabit Ethernet PHY driver"); |
| 1046 | MODULE_AUTHOR("DENG, Qingfang <dqfext@gmail.com>"); |
| 1047 | MODULE_LICENSE("GPL"); |
| 1048 | |
| 1049 | MODULE_DEVICE_TABLE(mdio, mtk_gephy_tbl); |