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 | |
| 80 | #define MTK_PHY_RXADC_CTRL_RG9 (0xc8) |
| 81 | #define MTK_PHY_DA_RX_PSBN_TBT_MASK GENMASK(14, 12) |
| 82 | #define MTK_PHY_DA_RX_PSBN_HBT_MASK GENMASK(10, 8) |
| 83 | #define MTK_PHY_DA_RX_PSBN_GBE_MASK GENMASK(6, 4) |
| 84 | #define MTK_PHY_DA_RX_PSBN_LP_MASK GENMASK(2, 0) |
| 85 | |
| 86 | #define MTK_PHY_RG_ANA_CAL_RG0 (0xdb) |
| 87 | #define MTK_PHY_RG_CAL_CKINV BIT(12) |
| 88 | #define MTK_PHY_RG_ANA_CALEN BIT(8) |
| 89 | #define MTK_PHY_RG_REXT_CALEN BIT(4) |
| 90 | #define MTK_PHY_RG_ZCALEN_A BIT(0) |
| 91 | |
| 92 | #define MTK_PHY_RG_ANA_CAL_RG1 (0xdc) |
| 93 | #define MTK_PHY_RG_ZCALEN_B BIT(12) |
| 94 | #define MTK_PHY_RG_ZCALEN_C BIT(8) |
| 95 | #define MTK_PHY_RG_ZCALEN_D BIT(4) |
| 96 | #define MTK_PHY_RG_TXVOS_CALEN BIT(0) |
| 97 | |
| 98 | #define MTK_PHY_RG_ANA_CAL_RG2 (0xdd) |
| 99 | #define MTK_PHY_RG_TXG_CALEN_A BIT(12) |
| 100 | #define MTK_PHY_RG_TXG_CALEN_B BIT(8) |
| 101 | #define MTK_PHY_RG_TXG_CALEN_C BIT(4) |
| 102 | #define MTK_PHY_RG_TXG_CALEN_D BIT(0) |
| 103 | |
| 104 | #define MTK_PHY_RG_ANA_CAL_RG5 (0xe0) |
| 105 | #define MTK_PHY_RG_REXT_TRIM_MASK GENMASK(13, 8) |
| 106 | #define MTK_PHY_RG_ZCAL_CTRL_MASK GENMASK(5, 0) |
| 107 | |
| 108 | #define MTK_PHY_RG_DEV1E_REG172 (0x172) |
| 109 | #define MTK_PHY_CR_TX_AMP_OFFSET_A_MASK GENMASK(13, 8) |
| 110 | #define MTK_PHY_CR_TX_AMP_OFFSET_B_MASK GENMASK(6, 0) |
| 111 | |
| 112 | #define MTK_PHY_RG_DEV1E_REG173 (0x173) |
| 113 | #define MTK_PHY_CR_TX_AMP_OFFSET_C_MASK GENMASK(13, 8) |
| 114 | #define MTK_PHY_CR_TX_AMP_OFFSET_D_MASK GENMASK(6, 0) |
| 115 | |
| 116 | #define MTK_PHY_RG_DEV1E_REG174 (0x174) |
| 117 | #define MTK_PHY_RSEL_TX_A_MASK GENMASK(14, 8) |
| 118 | #define MTK_PHY_RSEL_TX_B_MASK GENMASK(6, 0) |
| 119 | |
| 120 | #define MTK_PHY_RG_DEV1E_REG175 (0x175) |
| 121 | #define MTK_PHY_RSEL_TX_C_MASK GENMASK(14, 8) |
| 122 | #define MTK_PHY_RSEL_TX_D_MASK GENMASK(6, 0) |
| 123 | |
| 124 | #define MTK_PHY_RG_DEV1E_REG17A (0x17a) |
| 125 | #define MTK_PHY_AD_CAL_COMP_OUT_SHIFT (8) |
| 126 | |
| 127 | #define MTK_PHY_RG_DEV1E_REG17B (0x17b) |
| 128 | #define MTK_PHY_DA_CAL_CLK BIT(0) |
| 129 | |
| 130 | #define MTK_PHY_RG_DEV1E_REG17C (0x17c) |
| 131 | #define MTK_PHY_DA_CALIN_FLAG BIT(0) |
| 132 | |
| 133 | #define MTK_PHY_RG_DEV1E_REG17D (0x17d) |
| 134 | #define MTK_PHY_DASN_DAC_IN0_A_MASK GENMASK(9, 0) |
| 135 | |
| 136 | #define MTK_PHY_RG_DEV1E_REG17E (0x17e) |
| 137 | #define MTK_PHY_DASN_DAC_IN0_B_MASK GENMASK(9, 0) |
| 138 | |
| 139 | #define MTK_PHY_RG_DEV1E_REG17F (0x17f) |
| 140 | #define MTK_PHY_DASN_DAC_IN0_C_MASK GENMASK(9, 0) |
| 141 | |
| 142 | #define MTK_PHY_RG_DEV1E_REG180 (0x180) |
| 143 | #define MTK_PHY_DASN_DAC_IN0_D_MASK GENMASK(9, 0) |
| 144 | |
| 145 | #define MTK_PHY_RG_DEV1E_REG181 (0x181) |
| 146 | #define MTK_PHY_DASN_DAC_IN1_A_MASK GENMASK(9, 0) |
| 147 | |
| 148 | #define MTK_PHY_RG_DEV1E_REG182 (0x182) |
| 149 | #define MTK_PHY_DASN_DAC_IN1_B_MASK GENMASK(9, 0) |
| 150 | |
| 151 | #define MTK_PHY_RG_DEV1E_REG183 (0x183) |
| 152 | #define MTK_PHY_DASN_DAC_IN1_C_MASK GENMASK(9, 0) |
| 153 | |
| 154 | #define MTK_PHY_RG_DEV1E_REG184 (0x180) |
| 155 | #define MTK_PHY_DASN_DAC_IN1_D_MASK GENMASK(9, 0) |
| 156 | |
| 157 | #define MTK_PHY_RG_DEV1E_REG53D (0x53d) |
| 158 | #define MTK_PHY_DA_TX_R50_A_NORMAL_MASK GENMASK(13, 8) |
| 159 | #define MTK_PHY_DA_TX_R50_A_TBT_MASK GENMASK(5, 0) |
| 160 | |
| 161 | #define MTK_PHY_RG_DEV1E_REG53E (0x53e) |
| 162 | #define MTK_PHY_DA_TX_R50_B_NORMAL_MASK GENMASK(13, 8) |
| 163 | #define MTK_PHY_DA_TX_R50_B_TBT_MASK GENMASK(5, 0) |
| 164 | |
| 165 | #define MTK_PHY_RG_DEV1E_REG53F (0x53f) |
| 166 | #define MTK_PHY_DA_TX_R50_C_NORMAL_MASK GENMASK(13, 8) |
| 167 | #define MTK_PHY_DA_TX_R50_C_TBT_MASK GENMASK(5, 0) |
| 168 | |
| 169 | #define MTK_PHY_RG_DEV1E_REG540 (0x540) |
| 170 | #define MTK_PHY_DA_TX_R50_D_NORMAL_MASK GENMASK(13, 8) |
| 171 | #define MTK_PHY_DA_TX_R50_D_TBT_MASK GENMASK(5, 0) |
| 172 | |
| 173 | |
| 174 | /* Registers on MDIO_MMD_VEND2 */ |
| 175 | #define MTK_PHY_ANA_TEST_BUS_CTRL_RG (0x100) |
| 176 | #define MTK_PHY_ANA_TEST_MODE_MASK GENMASK(15, 8) |
| 177 | |
| 178 | #define MTK_PHY_RG_DEV1F_REG110 (0x110) |
| 179 | #define MTK_PHY_RG_TST_DMY2_MASK GENMASK(5, 0) |
| 180 | #define MTK_PHY_RG_TANA_RESERVE_MASK GENMASK(13, 8) |
| 181 | |
| 182 | #define MTK_PHY_RG_DEV1F_REG115 (0x115) |
| 183 | #define MTK_PHY_RG_BG_RASEL_MASK GENMASK(2, 0) |
| 184 | |
| 185 | /* |
| 186 | * These macro privides efuse parsing for internal phy. |
| 187 | */ |
| 188 | #define EFS_DA_TX_I2MPB_A(x) (((x) >> 0) & GENMASK(5, 0)) |
| 189 | #define EFS_DA_TX_I2MPB_B(x) (((x) >> 6) & GENMASK(5, 0)) |
| 190 | #define EFS_DA_TX_I2MPB_C(x) (((x) >> 12) & GENMASK(5, 0)) |
| 191 | #define EFS_DA_TX_I2MPB_D(x) (((x) >> 18) & GENMASK(5, 0)) |
| 192 | #define EFS_DA_TX_AMP_OFFSET_A(x) (((x) >> 24) & GENMASK(5, 0)) |
| 193 | |
| 194 | #define EFS_DA_TX_AMP_OFFSET_B(x) (((x) >> 0) & GENMASK(5, 0)) |
| 195 | #define EFS_DA_TX_AMP_OFFSET_C(x) (((x) >> 6) & GENMASK(5, 0)) |
| 196 | #define EFS_DA_TX_AMP_OFFSET_D(x) (((x) >> 12) & GENMASK(5, 0)) |
| 197 | #define EFS_DA_TX_R50_A(x) (((x) >> 18) & GENMASK(5, 0)) |
| 198 | #define EFS_DA_TX_R50_B(x) (((x) >> 24) & GENMASK(5, 0)) |
| 199 | |
| 200 | #define EFS_DA_TX_R50_C(x) (((x) >> 0) & GENMASK(5, 0)) |
| 201 | #define EFS_DA_TX_R50_D(x) (((x) >> 6) & GENMASK(5, 0)) |
| 202 | #define EFS_DA_TX_R50_A_10M(x) (((x) >> 12) & GENMASK(5, 0)) |
| 203 | #define EFS_DA_TX_R50_B_10M(x) (((x) >> 18) & GENMASK(5, 0)) |
| 204 | |
| 205 | #define EFS_RG_BG_RASEL(x) (((x) >> 4) & GENMASK(2, 0)) |
| 206 | #define EFS_RG_REXT_TRIM(x) (((x) >> 7) & GENMASK(5, 0)) |
| 207 | |
| 208 | typedef enum { |
| 209 | PAIR_A, |
| 210 | PAIR_B, |
| 211 | PAIR_C, |
| 212 | PAIR_D, |
| 213 | } phy_cal_pair_t; |
| 214 | |
| 215 | const u8 mt798x_zcal_to_r50[64] = { |
| 216 | 7, 8, 9, 9, 10, 10, 11, 11, |
| 217 | 12, 13, 13, 14, 14, 15, 16, 16, |
| 218 | 17, 18, 18, 19, 20, 21, 21, 22, |
| 219 | 23, 24, 24, 25, 26, 27, 28, 29, |
| 220 | 30, 31, 32, 33, 34, 35, 36, 37, |
| 221 | 38, 40, 41, 42, 43, 45, 46, 48, |
| 222 | 49, 51, 52, 54, 55, 57, 59, 61, |
| 223 | 62, 63, 63, 63, 63, 63, 63, 63 |
| 224 | }; |
| 225 | |
| 226 | const char pair[4] = {'A', 'B', 'C', 'D'}; |
| 227 | |
| 228 | #define CAL_NO_PAIR(cal_item, cal_mode, ...) \ |
| 229 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__); |
| 230 | |
| 231 | #define CAL_PAIR_A_TO_A(cal_item, cal_mode, ...) \ |
| 232 | for(i=PAIR_A; i<=PAIR_A; i++) { \ |
| 233 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__, i);\ |
| 234 | if(cal_ret) break; \ |
| 235 | } |
| 236 | |
| 237 | #define CAL_PAIR_A_TO_D(cal_item, cal_mode, ...) \ |
| 238 | for(i=PAIR_A; i<=PAIR_D; i++) { \ |
| 239 | cal_ret = cal_item##_cal_##cal_mode(phydev, ##__VA_ARGS__, i);\ |
| 240 | if(cal_ret) break; \ |
| 241 | } |
| 242 | |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 243 | #define SW_CAL(cal_item, cal_mode_get, pair_mode) \ |
| 244 | if(ret || (!ret && strcmp("sw", cal_mode_get) == 0)) { \ |
| 245 | CAL_##pair_mode(cal_item, sw) \ |
| 246 | } |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 247 | |
| 248 | #define SW_EFUSE_CAL(cal_item, cal_mode_get, pair_mode,...) \ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 249 | if ((efs_valid && ret) || \ |
developer | 5736bab | 2022-08-10 17:32:07 +0800 | [diff] [blame] | 250 | (efs_valid && !ret && strcmp("efuse", cal_mode_get) == 0)) { \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 251 | CAL_##pair_mode(cal_item, efuse, ##__VA_ARGS__) \ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 252 | } else if ((!efs_valid && ret) || \ |
| 253 | (!ret && strcmp("sw", cal_mode_get) == 0)) { \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 254 | CAL_##pair_mode(cal_item, sw) \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | #define EFUSE_CAL(cal_item, cal_mode_get, pair_mode, ...) \ |
| 258 | if ((efs_valid && ret) || \ |
developer | 5736bab | 2022-08-10 17:32:07 +0800 | [diff] [blame] | 259 | (efs_valid && !ret && strcmp("efuse", cal_mode_get) == 0)) {\ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 260 | CAL_##pair_mode(cal_item, efuse, ##__VA_ARGS__) \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | #define CAL_FLOW(cal_item, cal_mode, cal_mode_get, pair_mode,...) \ |
| 264 | ret = of_property_read_string(phydev->mdio.dev.of_node, \ |
| 265 | #cal_item, &cal_mode_get); \ |
| 266 | cal_mode##_CAL(cal_item, cal_mode_get, pair_mode, ##__VA_ARGS__)\ |
developer | c6e131e | 2021-12-08 12:36:24 +0800 | [diff] [blame] | 267 | else { \ |
| 268 | dev_info(&phydev->mdio.dev, "%s cal mode %s%s," \ |
| 269 | " use default value," \ |
| 270 | " efs-valid: %s", \ |
| 271 | #cal_item, \ |
| 272 | ret? "" : cal_mode_get, \ |
| 273 | ret? "not specified" : " not supported", \ |
| 274 | efs_valid? "yes" : "no"); \ |
| 275 | } \ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 276 | if(cal_ret) { \ |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 277 | dev_err(&phydev->mdio.dev, "%s cal failed\n", #cal_item);\ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 278 | ret = -EIO; \ |
| 279 | goto out; \ |
| 280 | } |
| 281 | |
| 282 | static int mtk_gephy_read_page(struct phy_device *phydev) |
| 283 | { |
| 284 | return __phy_read(phydev, MTK_EXT_PAGE_ACCESS); |
| 285 | } |
| 286 | |
| 287 | static int mtk_gephy_write_page(struct phy_device *phydev, int page) |
| 288 | { |
| 289 | return __phy_write(phydev, MTK_EXT_PAGE_ACCESS, page); |
| 290 | } |
| 291 | |
| 292 | /* |
| 293 | * One calibration cycle consists of: |
| 294 | * 1.Set DA_CALIN_FLAG high to start calibration. Keep it high |
| 295 | * until AD_CAL_COMP is ready to output calibration result. |
| 296 | * 2.Wait until DA_CAL_CLK is available. |
| 297 | * 3.Fetch AD_CAL_COMP_OUT. |
| 298 | */ |
| 299 | static int cal_cycle(struct phy_device *phydev, int devad, |
| 300 | u32 regnum, u16 mask, u16 cal_val) |
| 301 | { |
| 302 | unsigned long timeout; |
| 303 | int reg_val; |
| 304 | int ret; |
| 305 | |
| 306 | phy_modify_mmd(phydev, devad, regnum, |
| 307 | mask, cal_val); |
| 308 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17C, |
| 309 | MTK_PHY_DA_CALIN_FLAG); |
| 310 | |
| 311 | timeout = jiffies + usecs_to_jiffies(ANALOG_INTERNAL_OPERATION_MAX_US); |
| 312 | do{ |
| 313 | reg_val = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17B); |
| 314 | } while(time_before(jiffies, timeout) && !(reg_val & BIT(0))); |
| 315 | |
| 316 | if(!(reg_val & BIT(0))) { |
| 317 | dev_err(&phydev->mdio.dev, "Calibration cycle timeout\n"); |
| 318 | return -ETIMEDOUT; |
| 319 | } |
| 320 | |
| 321 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17C, |
| 322 | MTK_PHY_DA_CALIN_FLAG); |
| 323 | ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17A) >> |
| 324 | MTK_PHY_AD_CAL_COMP_OUT_SHIFT; |
| 325 | dev_dbg(&phydev->mdio.dev, "cal_val: 0x%x, ret: %d\n", cal_val, ret); |
| 326 | |
| 327 | return ret; |
| 328 | } |
| 329 | |
| 330 | static int rext_fill_result(struct phy_device *phydev, u16 *buf) |
| 331 | { |
| 332 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 333 | MTK_PHY_RG_REXT_TRIM_MASK, buf[0] << 8); |
| 334 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG115, |
| 335 | MTK_PHY_RG_BG_RASEL_MASK, buf[1]); |
| 336 | |
| 337 | return 0; |
| 338 | } |
| 339 | |
| 340 | static int rext_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 341 | { |
| 342 | u16 rext_cal_val[2]; |
| 343 | |
| 344 | rext_cal_val[0] = EFS_RG_REXT_TRIM(buf[3]); |
| 345 | rext_cal_val[1] = EFS_RG_BG_RASEL(buf[3]); |
| 346 | rext_fill_result(phydev, rext_cal_val); |
| 347 | |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static int rext_cal_sw(struct phy_device *phydev) |
| 352 | { |
| 353 | u8 rg_zcal_ctrl_def; |
| 354 | u8 zcal_lower, zcal_upper, rg_zcal_ctrl; |
| 355 | u8 lower_ret, upper_ret; |
| 356 | u16 rext_cal_val[2]; |
| 357 | int ret; |
| 358 | |
| 359 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 360 | MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8); |
| 361 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 362 | MTK_PHY_RG_TXVOS_CALEN); |
| 363 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 364 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN | MTK_PHY_RG_REXT_CALEN); |
| 365 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 366 | MTK_PHY_RG_TST_DMY2_MASK, 0x1); |
| 367 | |
| 368 | rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5) & |
| 369 | MTK_PHY_RG_ZCAL_CTRL_MASK; |
| 370 | zcal_lower = ZCAL_CTRL_MIN; |
| 371 | zcal_upper = ZCAL_CTRL_MAX; |
| 372 | |
| 373 | dev_dbg(&phydev->mdio.dev, "Start REXT SW cal.\n"); |
| 374 | while((zcal_upper-zcal_lower) > 1) { |
| 375 | rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower+zcal_upper, 2); |
| 376 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 377 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 378 | if(ret == 1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 379 | zcal_upper = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 380 | upper_ret = ret; |
| 381 | } else if(ret == 0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 382 | zcal_lower = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 383 | lower_ret = ret; |
| 384 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 385 | goto restore; |
| 386 | } |
| 387 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 388 | if(zcal_lower == ZCAL_CTRL_MIN) { |
| 389 | ret = lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 390 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower); |
| 391 | } else if(zcal_upper == ZCAL_CTRL_MAX) { |
| 392 | ret = upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 393 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper); |
| 394 | } |
| 395 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 396 | goto restore; |
| 397 | |
| 398 | ret = upper_ret-lower_ret; |
| 399 | if (ret == 1) { |
| 400 | rext_cal_val[0] = zcal_upper; |
| 401 | rext_cal_val[1] = zcal_upper >> 3; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 402 | rext_fill_result(phydev, rext_cal_val); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 403 | dev_info(&phydev->mdio.dev, "REXT SW cal result: 0x%x\n", zcal_upper); |
| 404 | ret = 0; |
| 405 | } else |
| 406 | ret = -EINVAL; |
| 407 | |
| 408 | restore: |
| 409 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 410 | MTK_PHY_ANA_TEST_MODE_MASK); |
| 411 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 412 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN | MTK_PHY_RG_REXT_CALEN); |
| 413 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 414 | MTK_PHY_RG_TST_DMY2_MASK); |
| 415 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 416 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def); |
| 417 | |
| 418 | return ret; |
| 419 | } |
| 420 | |
| 421 | static int tx_offset_fill_result(struct phy_device *phydev, u16 *buf) |
| 422 | { |
| 423 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG172, |
| 424 | MTK_PHY_CR_TX_AMP_OFFSET_A_MASK, buf[0] << 8); |
| 425 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG172, |
| 426 | MTK_PHY_CR_TX_AMP_OFFSET_B_MASK, buf[1]); |
| 427 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG173, |
| 428 | MTK_PHY_CR_TX_AMP_OFFSET_C_MASK, buf[2] << 8); |
| 429 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG173, |
| 430 | MTK_PHY_CR_TX_AMP_OFFSET_D_MASK, buf[3]); |
| 431 | |
| 432 | return 0; |
| 433 | } |
| 434 | |
| 435 | static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 436 | { |
| 437 | u16 tx_offset_cal_val[4]; |
| 438 | |
| 439 | tx_offset_cal_val[0] = EFS_DA_TX_AMP_OFFSET_A(buf[0]); |
| 440 | tx_offset_cal_val[1] = EFS_DA_TX_AMP_OFFSET_B(buf[1]); |
| 441 | tx_offset_cal_val[2] = EFS_DA_TX_AMP_OFFSET_C(buf[1]); |
| 442 | tx_offset_cal_val[3] = EFS_DA_TX_AMP_OFFSET_D(buf[1]); |
| 443 | |
| 444 | tx_offset_fill_result(phydev, tx_offset_cal_val); |
| 445 | |
| 446 | return 0; |
| 447 | } |
| 448 | |
| 449 | static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf) |
| 450 | { |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 451 | int bias[16] = {0}; |
| 452 | switch(phydev->drv->phy_id) { |
| 453 | case 0x03a29461: |
| 454 | { |
| 455 | /* We add some calibration to efuse values: |
| 456 | * GBE: +7, TBT: +1, HBT: +4, TST: +7 |
| 457 | */ |
| 458 | int tmp[16] = { 7, 1, 4, 7, |
| 459 | 7, 1, 4, 7, |
| 460 | 7, 1, 4, 7, |
| 461 | 7, 1, 4, 7 }; |
| 462 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 463 | break; |
| 464 | } |
| 465 | case 0x03a29481: |
| 466 | { |
| 467 | int tmp[16] = { 10, 6, 6, 10, |
| 468 | 10, 6, 6, 10, |
| 469 | 10, 6, 6, 10, |
| 470 | 10, 6, 6, 10 }; |
| 471 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 472 | break; |
| 473 | } |
| 474 | default: |
| 475 | break; |
| 476 | } |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 477 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 478 | MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 479 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 480 | MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 481 | 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^] | 482 | MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 483 | 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^] | 484 | MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 485 | |
| 486 | 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^] | 487 | MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8); |
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_B1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 489 | MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 490 | 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^] | 491 | MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 492 | 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^] | 493 | MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 494 | |
| 495 | 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^] | 496 | MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 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_C1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 498 | MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 499 | 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^] | 500 | MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 501 | 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^] | 502 | MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 503 | |
| 504 | 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^] | 505 | MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 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_D1, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 507 | MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 508 | 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^] | 509 | MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 510 | 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^] | 511 | MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 512 | |
| 513 | return 0; |
| 514 | } |
| 515 | |
| 516 | static int tx_amp_cal_efuse(struct phy_device *phydev, u32 *buf) |
| 517 | { |
| 518 | u16 tx_amp_cal_val[4]; |
| 519 | |
| 520 | tx_amp_cal_val[0] = EFS_DA_TX_I2MPB_A(buf[0]); |
| 521 | tx_amp_cal_val[1] = EFS_DA_TX_I2MPB_B(buf[0]); |
| 522 | tx_amp_cal_val[2] = EFS_DA_TX_I2MPB_C(buf[0]); |
| 523 | tx_amp_cal_val[3] = EFS_DA_TX_I2MPB_D(buf[0]); |
| 524 | tx_amp_fill_result(phydev, tx_amp_cal_val); |
| 525 | |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | static int tx_r50_fill_result(struct phy_device *phydev, u16 *buf, |
| 530 | phy_cal_pair_t txg_calen_x) |
| 531 | { |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 532 | int bias[4] = {0}; |
| 533 | switch(phydev->drv->phy_id) { |
| 534 | case 0x03a29481: |
| 535 | { |
| 536 | int tmp[16] = { 1, 1, 1, 1 }; |
| 537 | memcpy(bias, (const void *)tmp, sizeof(bias)); |
| 538 | break; |
| 539 | } |
| 540 | /* 0x03a29461 enters default case */ |
| 541 | default: |
| 542 | break; |
| 543 | } |
| 544 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 545 | switch(txg_calen_x) { |
| 546 | case PAIR_A: |
| 547 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53D, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 548 | MTK_PHY_DA_TX_R50_A_NORMAL_MASK, (buf[0] + bias[0]) << 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 549 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53D, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 550 | MTK_PHY_DA_TX_R50_A_TBT_MASK, (buf[0]) + bias[0]); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 551 | break; |
| 552 | case PAIR_B: |
| 553 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53E, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 554 | MTK_PHY_DA_TX_R50_B_NORMAL_MASK, (buf[0] + bias[1])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 555 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53E, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 556 | MTK_PHY_DA_TX_R50_B_TBT_MASK, (buf[0] + bias[1])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 557 | break; |
| 558 | case PAIR_C: |
| 559 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53F, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 560 | MTK_PHY_DA_TX_R50_C_NORMAL_MASK, (buf[0] + bias[2])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 561 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG53F, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 562 | MTK_PHY_DA_TX_R50_C_TBT_MASK, (buf[0] + bias[2])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 563 | break; |
| 564 | case PAIR_D: |
| 565 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG540, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 566 | MTK_PHY_DA_TX_R50_D_NORMAL_MASK, (buf[0] + bias[3])<< 8); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 567 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG540, |
developer | 87c89d1 | 2022-08-19 17:46:34 +0800 | [diff] [blame^] | 568 | MTK_PHY_DA_TX_R50_D_TBT_MASK, (buf[0] + bias[3])); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 569 | break; |
| 570 | } |
| 571 | return 0; |
| 572 | } |
| 573 | |
| 574 | static int tx_r50_cal_efuse(struct phy_device *phydev, u32 *buf, |
| 575 | phy_cal_pair_t txg_calen_x) |
| 576 | { |
| 577 | u16 tx_r50_cal_val[1]; |
| 578 | |
| 579 | switch(txg_calen_x) { |
| 580 | case PAIR_A: |
| 581 | tx_r50_cal_val[0] = EFS_DA_TX_R50_A(buf[1]); |
| 582 | break; |
| 583 | case PAIR_B: |
| 584 | tx_r50_cal_val[0] = EFS_DA_TX_R50_B(buf[1]); |
| 585 | break; |
| 586 | case PAIR_C: |
| 587 | tx_r50_cal_val[0] = EFS_DA_TX_R50_C(buf[2]); |
| 588 | break; |
| 589 | case PAIR_D: |
| 590 | tx_r50_cal_val[0] = EFS_DA_TX_R50_D(buf[2]); |
| 591 | break; |
| 592 | } |
| 593 | tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x); |
| 594 | |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | static int tx_r50_cal_sw(struct phy_device *phydev, phy_cal_pair_t txg_calen_x) |
| 599 | { |
| 600 | u8 rg_zcal_ctrl_def; |
| 601 | u8 zcal_lower, zcal_upper, rg_zcal_ctrl; |
| 602 | u8 lower_ret, upper_ret; |
| 603 | u16 tx_r50_cal_val[1]; |
| 604 | int ret; |
| 605 | |
| 606 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 607 | MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8); |
| 608 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 609 | MTK_PHY_RG_TXVOS_CALEN); |
| 610 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 611 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN); |
| 612 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2, |
| 613 | BIT(txg_calen_x * 4)); |
| 614 | phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 615 | MTK_PHY_RG_TST_DMY2_MASK, 0x1); |
| 616 | |
| 617 | rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5) & |
| 618 | MTK_PHY_RG_ZCAL_CTRL_MASK; |
| 619 | zcal_lower = ZCAL_CTRL_MIN; |
| 620 | zcal_upper = ZCAL_CTRL_MAX; |
| 621 | |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 622 | 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] | 623 | while((zcal_upper-zcal_lower) > 1) { |
| 624 | rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower+zcal_upper, 2); |
| 625 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 626 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 627 | if(ret==1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 628 | zcal_upper = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 629 | upper_ret = ret; |
| 630 | } else if(ret==0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 631 | zcal_lower = rg_zcal_ctrl; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 632 | lower_ret = ret; |
| 633 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 634 | goto restore; |
| 635 | } |
| 636 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 637 | if(zcal_lower == ZCAL_CTRL_MIN) { |
| 638 | 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] | 639 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 640 | } else if(zcal_upper == ZCAL_CTRL_MAX) { |
| 641 | 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] | 642 | MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 643 | } |
| 644 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 645 | goto restore; |
| 646 | |
| 647 | ret = upper_ret-lower_ret; |
| 648 | if (ret == 1) { |
| 649 | tx_r50_cal_val[0] = mt798x_zcal_to_r50[zcal_upper]; |
| 650 | tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x); |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 651 | 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] | 652 | pair[txg_calen_x], zcal_lower); |
| 653 | ret = 0; |
| 654 | } else |
| 655 | ret = -EINVAL; |
| 656 | |
| 657 | restore: |
| 658 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG, |
| 659 | MTK_PHY_ANA_TEST_MODE_MASK); |
| 660 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 661 | MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN); |
| 662 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2, |
| 663 | BIT(txg_calen_x * 4)); |
| 664 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DEV1F_REG110, |
| 665 | MTK_PHY_RG_TST_DMY2_MASK); |
| 666 | phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5, |
| 667 | MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def); |
| 668 | |
| 669 | return ret; |
| 670 | } |
| 671 | |
| 672 | static int tx_vcm_cal_sw(struct phy_device *phydev, phy_cal_pair_t rg_txreserve_x) |
| 673 | { |
| 674 | u8 lower_idx, upper_idx, txreserve_val; |
| 675 | u8 lower_ret, upper_ret; |
| 676 | int ret; |
| 677 | |
| 678 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 679 | MTK_PHY_RG_ANA_CALEN); |
| 680 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 681 | MTK_PHY_RG_CAL_CKINV); |
| 682 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 683 | MTK_PHY_RG_TXVOS_CALEN); |
| 684 | |
| 685 | switch(rg_txreserve_x) { |
| 686 | case PAIR_A: |
| 687 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17D, |
| 688 | MTK_PHY_DASN_DAC_IN0_A_MASK); |
| 689 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG181, |
| 690 | MTK_PHY_DASN_DAC_IN1_A_MASK); |
| 691 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 692 | MTK_PHY_RG_ZCALEN_A); |
| 693 | break; |
| 694 | case PAIR_B: |
| 695 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17E, |
| 696 | MTK_PHY_DASN_DAC_IN0_B_MASK); |
| 697 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG182, |
| 698 | MTK_PHY_DASN_DAC_IN1_B_MASK); |
| 699 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 700 | MTK_PHY_RG_ZCALEN_B); |
| 701 | break; |
| 702 | case PAIR_C: |
| 703 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG17F, |
| 704 | MTK_PHY_DASN_DAC_IN0_C_MASK); |
| 705 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG183, |
| 706 | MTK_PHY_DASN_DAC_IN1_C_MASK); |
| 707 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 708 | MTK_PHY_RG_ZCALEN_C); |
| 709 | break; |
| 710 | case PAIR_D: |
| 711 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG180, |
| 712 | MTK_PHY_DASN_DAC_IN0_D_MASK); |
| 713 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG184, |
| 714 | MTK_PHY_DASN_DAC_IN1_D_MASK); |
| 715 | phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 716 | MTK_PHY_RG_ZCALEN_D); |
| 717 | break; |
| 718 | default: |
| 719 | ret = -EINVAL; |
| 720 | goto restore; |
| 721 | } |
| 722 | |
| 723 | lower_idx = TXRESERVE_MIN; |
| 724 | upper_idx = TXRESERVE_MAX; |
| 725 | |
| 726 | dev_dbg(&phydev->mdio.dev, "Start TX-VCM SW cal.\n"); |
| 727 | while((upper_idx-lower_idx) > 1) { |
| 728 | txreserve_val = DIV_ROUND_CLOSEST(lower_idx+upper_idx, 2); |
| 729 | ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 730 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 731 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 732 | txreserve_val << 12 | txreserve_val << 8 | |
| 733 | txreserve_val << 4 | txreserve_val); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 734 | if(ret==1) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 735 | upper_idx = txreserve_val; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 736 | upper_ret = ret; |
| 737 | } else if(ret==0) { |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 738 | lower_idx = txreserve_val; |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 739 | lower_ret = ret; |
| 740 | } else |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 741 | goto restore; |
| 742 | } |
| 743 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 744 | if(lower_idx == TXRESERVE_MIN) { |
| 745 | 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] | 746 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 747 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 748 | lower_idx << 12 | lower_idx << 8 | lower_idx << 4 | lower_idx); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 749 | } else if(upper_idx == TXRESERVE_MAX) { |
| 750 | 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] | 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 | upper_idx << 12 | upper_idx << 8 | upper_idx << 4 | upper_idx); |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 754 | } |
| 755 | if (ret < 0) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 756 | goto restore; |
| 757 | |
developer | 78aa7b9 | 2021-12-29 15:22:10 +0800 | [diff] [blame] | 758 | /* We calibrate TX-VCM in different logic. Check upper index and then |
| 759 | * lower index. If this calibration is valid, apply lower index's result. |
| 760 | */ |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 761 | ret = upper_ret-lower_ret; |
| 762 | if (ret == 1) { |
| 763 | ret = 0; |
developer | b5c76d4 | 2022-08-18 15:45:33 +0800 | [diff] [blame] | 764 | /* Make sure we use upper_idx in our calibration system */ |
| 765 | cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 766 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 767 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 768 | upper_idx << 12 | upper_idx << 8 | upper_idx << 4 | upper_idx); |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 769 | dev_info(&phydev->mdio.dev, "TX-VCM SW cal result: 0x%x\n", upper_idx); |
| 770 | } else if (lower_idx == TXRESERVE_MIN && upper_ret == 1 && lower_ret == 1) { |
| 771 | ret = 0; |
| 772 | cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9, |
| 773 | MTK_PHY_DA_RX_PSBN_TBT_MASK | MTK_PHY_DA_RX_PSBN_HBT_MASK | |
| 774 | MTK_PHY_DA_RX_PSBN_GBE_MASK | MTK_PHY_DA_RX_PSBN_LP_MASK, |
| 775 | lower_idx << 12 | lower_idx << 8 | lower_idx << 4 | lower_idx); |
| 776 | dev_warn(&phydev->mdio.dev, "TX-VCM SW cal result at low margin 0x%x\n", lower_idx); |
| 777 | } else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 && lower_ret == 0) { |
| 778 | ret = 0; |
| 779 | dev_warn(&phydev->mdio.dev, "TX-VCM SW cal result at high margin 0x%x\n", upper_idx); |
| 780 | } else |
| 781 | ret = -EINVAL; |
| 782 | |
| 783 | restore: |
| 784 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 785 | MTK_PHY_RG_ANA_CALEN); |
| 786 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 787 | MTK_PHY_RG_TXVOS_CALEN); |
| 788 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0, |
| 789 | MTK_PHY_RG_ZCALEN_A); |
| 790 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1, |
| 791 | MTK_PHY_RG_ZCALEN_B | MTK_PHY_RG_ZCALEN_C | MTK_PHY_RG_ZCALEN_D); |
| 792 | |
| 793 | return ret; |
| 794 | } |
| 795 | |
| 796 | static void mtk_gephy_config_init(struct phy_device *phydev) |
| 797 | { |
| 798 | /* Disable EEE */ |
| 799 | phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0); |
| 800 | |
| 801 | /* Enable HW auto downshift */ |
| 802 | phy_modify_paged(phydev, MTK_PHY_PAGE_EXTENDED, 0x14, 0, BIT(4)); |
| 803 | |
| 804 | /* Increase SlvDPSready time */ |
| 805 | phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5); |
| 806 | __phy_write(phydev, 0x10, 0xafae); |
| 807 | __phy_write(phydev, 0x12, 0x2f); |
| 808 | __phy_write(phydev, 0x10, 0x8fae); |
| 809 | phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0); |
| 810 | |
| 811 | /* Adjust 100_mse_threshold */ |
| 812 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x123, 0xffff); |
| 813 | |
| 814 | /* Disable mcc */ |
| 815 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xa6, 0x300); |
| 816 | } |
| 817 | |
| 818 | static int mt7530_phy_config_init(struct phy_device *phydev) |
| 819 | { |
| 820 | mtk_gephy_config_init(phydev); |
| 821 | |
| 822 | /* Increase post_update_timer */ |
| 823 | phy_write_paged(phydev, MTK_PHY_PAGE_EXTENDED_3, 0x11, 0x4b); |
| 824 | |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static int mt7531_phy_config_init(struct phy_device *phydev) |
| 829 | { |
| 830 | if (phydev->interface != PHY_INTERFACE_MODE_INTERNAL) |
| 831 | return -EINVAL; |
| 832 | |
| 833 | mtk_gephy_config_init(phydev); |
| 834 | |
| 835 | /* PHY link down power saving enable */ |
| 836 | phy_set_bits(phydev, 0x17, BIT(4)); |
| 837 | phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, 0xc6, 0x300); |
| 838 | |
| 839 | /* Set TX Pair delay selection */ |
| 840 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x13, 0x404); |
| 841 | phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x14, 0x404); |
| 842 | |
| 843 | return 0; |
| 844 | } |
| 845 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 846 | static inline void mt7981_phy_finetune(struct phy_device *phydev) |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 847 | { |
| 848 | /* 100M eye finetune: |
| 849 | * Keep middle level of TX MLT3 shapper as default. |
| 850 | * Only change TX MLT3 overshoot level here. |
| 851 | */ |
| 852 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1, 0x1ce); |
| 853 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1, 0x1c1); |
| 854 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0, 0x20f); |
| 855 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0, 0x202); |
| 856 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1, 0x3d0); |
| 857 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1, 0x3c0); |
| 858 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0, 0x13); |
| 859 | 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] | 860 | |
developer | 02d8442 | 2021-12-24 11:48:07 +0800 | [diff] [blame] | 861 | /* TX-AMP finetune: |
| 862 | * 100M +4, 1000M +6 to default value. |
| 863 | * If efuse values aren't valid, TX-AMP uses the below values. |
| 864 | */ |
| 865 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, 0x9824); |
| 866 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2, 0x9026); |
| 867 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1, 0x2624); |
| 868 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2, 0x2426); |
| 869 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1, 0x2624); |
| 870 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2, 0x2426); |
| 871 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1, 0x2624); |
| 872 | phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2, 0x2426); |
| 873 | } |
| 874 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 875 | static inline void mt7988_phy_finetune(struct phy_device *phydev) |
| 876 | { |
| 877 | int i; |
| 878 | u16 val[12] = {0x0187, 0x01cd, 0x01c8, 0x0182, |
| 879 | 0x020d, 0x0206, 0x0384, 0x03d0, |
| 880 | 0x03c6, 0x030a, 0x0011, 0x0005}; |
| 881 | |
| 882 | for(i=0; i<MTK_PHY_TX_MLT3_END; i++) { |
| 883 | phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[i]); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | static int mt798x_phy_calibration(struct phy_device *phydev) |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 888 | { |
| 889 | const char *cal_mode_from_dts; |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 890 | int i, ret; |
| 891 | int cal_ret = 0; |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 892 | u32 *buf; |
| 893 | bool efs_valid = true; |
| 894 | size_t len; |
| 895 | struct nvmem_cell *cell; |
| 896 | |
| 897 | if (phydev->interface != PHY_INTERFACE_MODE_GMII) |
| 898 | return -EINVAL; |
| 899 | |
| 900 | cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data"); |
| 901 | if (IS_ERR(cell)) { |
| 902 | if (PTR_ERR(cell) == -EPROBE_DEFER) |
| 903 | return PTR_ERR(cell); |
| 904 | return 0; |
| 905 | } |
| 906 | |
| 907 | buf = (u32 *)nvmem_cell_read(cell, &len); |
| 908 | if (IS_ERR(buf)) |
| 909 | return PTR_ERR(buf); |
| 910 | nvmem_cell_put(cell); |
| 911 | |
| 912 | if(!buf[0] && !buf[1] && !buf[2] && !buf[3]) |
| 913 | efs_valid = false; |
| 914 | |
| 915 | if (len < 4 * sizeof(u32)) { |
| 916 | dev_err(&phydev->mdio.dev, "invalid calibration data\n"); |
| 917 | ret = -EINVAL; |
| 918 | goto out; |
| 919 | } |
| 920 | |
| 921 | CAL_FLOW(rext, SW_EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 922 | CAL_FLOW(tx_offset, EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 923 | CAL_FLOW(tx_amp, EFUSE, cal_mode_from_dts, NO_PAIR, buf) |
| 924 | CAL_FLOW(tx_r50, SW_EFUSE, cal_mode_from_dts, PAIR_A_TO_D, buf) |
| 925 | CAL_FLOW(tx_vcm, SW, cal_mode_from_dts, PAIR_A_TO_A) |
developer | 6bd2371 | 2021-12-02 18:02:39 +0800 | [diff] [blame] | 926 | ret = 0; |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 927 | |
| 928 | out: |
| 929 | kfree(buf); |
| 930 | return ret; |
| 931 | } |
| 932 | |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 933 | static int mt7981_phy_config_init(struct phy_device *phydev) |
| 934 | { |
| 935 | mt7981_phy_finetune(phydev); |
| 936 | |
| 937 | return mt798x_phy_calibration(phydev); |
| 938 | } |
| 939 | |
| 940 | static int mt7988_phy_config_init(struct phy_device *phydev) |
| 941 | { |
| 942 | mt7988_phy_finetune(phydev); |
| 943 | |
| 944 | return mt798x_phy_calibration(phydev); |
| 945 | } |
| 946 | |
| 947 | static int mt7988_phy_probe(struct phy_device *phydev) |
| 948 | { |
| 949 | return mt7988_phy_config_init(phydev); |
| 950 | } |
| 951 | |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 952 | static struct phy_driver mtk_gephy_driver[] = { |
| 953 | #if 0 |
| 954 | { |
| 955 | PHY_ID_MATCH_EXACT(0x03a29412), |
| 956 | .name = "MediaTek MT7530 PHY", |
| 957 | .config_init = mt7530_phy_config_init, |
| 958 | /* Interrupts are handled by the switch, not the PHY |
| 959 | * itself. |
| 960 | */ |
| 961 | .config_intr = genphy_no_config_intr, |
| 962 | .handle_interrupt = genphy_no_ack_interrupt, |
| 963 | .suspend = genphy_suspend, |
| 964 | .resume = genphy_resume, |
| 965 | .read_page = mtk_gephy_read_page, |
| 966 | .write_page = mtk_gephy_write_page, |
| 967 | }, |
| 968 | { |
| 969 | PHY_ID_MATCH_EXACT(0x03a29441), |
| 970 | .name = "MediaTek MT7531 PHY", |
| 971 | .config_init = mt7531_phy_config_init, |
| 972 | /* Interrupts are handled by the switch, not the PHY |
| 973 | * itself. |
| 974 | */ |
| 975 | .config_intr = genphy_no_config_intr, |
| 976 | .handle_interrupt = genphy_no_ack_interrupt, |
| 977 | .suspend = genphy_suspend, |
| 978 | .resume = genphy_resume, |
| 979 | .read_page = mtk_gephy_read_page, |
| 980 | .write_page = mtk_gephy_write_page, |
| 981 | }, |
| 982 | #endif |
| 983 | { |
| 984 | PHY_ID_MATCH_EXACT(0x03a29461), |
developer | f35532c | 2022-08-05 18:37:26 +0800 | [diff] [blame] | 985 | .name = "MediaTek MT7981 PHY", |
| 986 | .config_init = mt7981_phy_config_init, |
| 987 | /* Interrupts are handled by the switch, not the PHY |
| 988 | * itself. |
| 989 | */ |
| 990 | .config_intr = genphy_no_config_intr, |
| 991 | .handle_interrupt = genphy_no_ack_interrupt, |
| 992 | .suspend = genphy_suspend, |
| 993 | .resume = genphy_resume, |
| 994 | .read_page = mtk_gephy_read_page, |
| 995 | .write_page = mtk_gephy_write_page, |
| 996 | }, |
| 997 | { |
| 998 | PHY_ID_MATCH_EXACT(0x03a29481), |
| 999 | .name = "MediaTek MT7988 PHY", |
| 1000 | .probe = mt7988_phy_probe, |
| 1001 | .config_init = mt7988_phy_config_init, |
developer | c50c235 | 2021-12-01 10:45:35 +0800 | [diff] [blame] | 1002 | /* Interrupts are handled by the switch, not the PHY |
| 1003 | * itself. |
| 1004 | */ |
| 1005 | .config_intr = genphy_no_config_intr, |
| 1006 | .handle_interrupt = genphy_no_ack_interrupt, |
| 1007 | .suspend = genphy_suspend, |
| 1008 | .resume = genphy_resume, |
| 1009 | .read_page = mtk_gephy_read_page, |
| 1010 | .write_page = mtk_gephy_write_page, |
| 1011 | }, |
| 1012 | }; |
| 1013 | |
| 1014 | module_phy_driver(mtk_gephy_driver); |
| 1015 | |
| 1016 | static struct mdio_device_id __maybe_unused mtk_gephy_tbl[] = { |
| 1017 | { PHY_ID_MATCH_VENDOR(0x03a29400) }, |
| 1018 | { } |
| 1019 | }; |
| 1020 | |
| 1021 | MODULE_DESCRIPTION("MediaTek Gigabit Ethernet PHY driver"); |
| 1022 | MODULE_AUTHOR("DENG, Qingfang <dqfext@gmail.com>"); |
| 1023 | MODULE_LICENSE("GPL"); |
| 1024 | |
| 1025 | MODULE_DEVICE_TABLE(mdio, mtk_gephy_tbl); |