8a20d9889f105bc609f56a2632132e0ef2c08504
[platform/kernel/linux-rpi.git] / drivers / net / phy / mediatek-ge-soc.c
1 // SPDX-License-Identifier: GPL-2.0+
2 #include <linux/bitfield.h>
3 #include <linux/bitmap.h>
4 #include <linux/mfd/syscon.h>
5 #include <linux/module.h>
6 #include <linux/nvmem-consumer.h>
7 #include <linux/pinctrl/consumer.h>
8 #include <linux/phy.h>
9 #include <linux/regmap.h>
10
11 #define MTK_GPHY_ID_MT7981                      0x03a29461
12 #define MTK_GPHY_ID_MT7988                      0x03a29481
13
14 #define MTK_EXT_PAGE_ACCESS                     0x1f
15 #define MTK_PHY_PAGE_STANDARD                   0x0000
16 #define MTK_PHY_PAGE_EXTENDED_3                 0x0003
17
18 #define MTK_PHY_LPI_REG_14                      0x14
19 #define MTK_PHY_LPI_WAKE_TIMER_1000_MASK        GENMASK(8, 0)
20
21 #define MTK_PHY_LPI_REG_1c                      0x1c
22 #define MTK_PHY_SMI_DET_ON_THRESH_MASK          GENMASK(13, 8)
23
24 #define MTK_PHY_PAGE_EXTENDED_2A30              0x2a30
25 #define MTK_PHY_PAGE_EXTENDED_52B5              0x52b5
26
27 #define ANALOG_INTERNAL_OPERATION_MAX_US        20
28 #define TXRESERVE_MIN                           0
29 #define TXRESERVE_MAX                           7
30
31 #define MTK_PHY_ANARG_RG                        0x10
32 #define   MTK_PHY_TCLKOFFSET_MASK               GENMASK(12, 8)
33
34 /* Registers on MDIO_MMD_VEND1 */
35 #define MTK_PHY_TXVLD_DA_RG                     0x12
36 #define   MTK_PHY_DA_TX_I2MPB_A_GBE_MASK        GENMASK(15, 10)
37 #define   MTK_PHY_DA_TX_I2MPB_A_TBT_MASK        GENMASK(5, 0)
38
39 #define MTK_PHY_TX_I2MPB_TEST_MODE_A2           0x16
40 #define   MTK_PHY_DA_TX_I2MPB_A_HBT_MASK        GENMASK(15, 10)
41 #define   MTK_PHY_DA_TX_I2MPB_A_TST_MASK        GENMASK(5, 0)
42
43 #define MTK_PHY_TX_I2MPB_TEST_MODE_B1           0x17
44 #define   MTK_PHY_DA_TX_I2MPB_B_GBE_MASK        GENMASK(13, 8)
45 #define   MTK_PHY_DA_TX_I2MPB_B_TBT_MASK        GENMASK(5, 0)
46
47 #define MTK_PHY_TX_I2MPB_TEST_MODE_B2           0x18
48 #define   MTK_PHY_DA_TX_I2MPB_B_HBT_MASK        GENMASK(13, 8)
49 #define   MTK_PHY_DA_TX_I2MPB_B_TST_MASK        GENMASK(5, 0)
50
51 #define MTK_PHY_TX_I2MPB_TEST_MODE_C1           0x19
52 #define   MTK_PHY_DA_TX_I2MPB_C_GBE_MASK        GENMASK(13, 8)
53 #define   MTK_PHY_DA_TX_I2MPB_C_TBT_MASK        GENMASK(5, 0)
54
55 #define MTK_PHY_TX_I2MPB_TEST_MODE_C2           0x20
56 #define   MTK_PHY_DA_TX_I2MPB_C_HBT_MASK        GENMASK(13, 8)
57 #define   MTK_PHY_DA_TX_I2MPB_C_TST_MASK        GENMASK(5, 0)
58
59 #define MTK_PHY_TX_I2MPB_TEST_MODE_D1           0x21
60 #define   MTK_PHY_DA_TX_I2MPB_D_GBE_MASK        GENMASK(13, 8)
61 #define   MTK_PHY_DA_TX_I2MPB_D_TBT_MASK        GENMASK(5, 0)
62
63 #define MTK_PHY_TX_I2MPB_TEST_MODE_D2           0x22
64 #define   MTK_PHY_DA_TX_I2MPB_D_HBT_MASK        GENMASK(13, 8)
65 #define   MTK_PHY_DA_TX_I2MPB_D_TST_MASK        GENMASK(5, 0)
66
67 #define MTK_PHY_RXADC_CTRL_RG7                  0xc6
68 #define   MTK_PHY_DA_AD_BUF_BIAS_LP_MASK        GENMASK(9, 8)
69
70 #define MTK_PHY_RXADC_CTRL_RG9                  0xc8
71 #define   MTK_PHY_DA_RX_PSBN_TBT_MASK           GENMASK(14, 12)
72 #define   MTK_PHY_DA_RX_PSBN_HBT_MASK           GENMASK(10, 8)
73 #define   MTK_PHY_DA_RX_PSBN_GBE_MASK           GENMASK(6, 4)
74 #define   MTK_PHY_DA_RX_PSBN_LP_MASK            GENMASK(2, 0)
75
76 #define MTK_PHY_LDO_OUTPUT_V                    0xd7
77
78 #define MTK_PHY_RG_ANA_CAL_RG0                  0xdb
79 #define   MTK_PHY_RG_CAL_CKINV                  BIT(12)
80 #define   MTK_PHY_RG_ANA_CALEN                  BIT(8)
81 #define   MTK_PHY_RG_ZCALEN_A                   BIT(0)
82
83 #define MTK_PHY_RG_ANA_CAL_RG1                  0xdc
84 #define   MTK_PHY_RG_ZCALEN_B                   BIT(12)
85 #define   MTK_PHY_RG_ZCALEN_C                   BIT(8)
86 #define   MTK_PHY_RG_ZCALEN_D                   BIT(4)
87 #define   MTK_PHY_RG_TXVOS_CALEN                BIT(0)
88
89 #define MTK_PHY_RG_ANA_CAL_RG5                  0xe0
90 #define   MTK_PHY_RG_REXT_TRIM_MASK             GENMASK(13, 8)
91
92 #define MTK_PHY_RG_TX_FILTER                    0xfe
93
94 #define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG120      0x120
95 #define   MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK GENMASK(12, 8)
96 #define   MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK GENMASK(4, 0)
97
98 #define MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122      0x122
99 #define   MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK       GENMASK(7, 0)
100
101 #define MTK_PHY_RG_TESTMUX_ADC_CTRL             0x144
102 #define   MTK_PHY_RG_TXEN_DIG_MASK              GENMASK(5, 5)
103
104 #define MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B         0x172
105 #define   MTK_PHY_CR_TX_AMP_OFFSET_A_MASK       GENMASK(13, 8)
106 #define   MTK_PHY_CR_TX_AMP_OFFSET_B_MASK       GENMASK(6, 0)
107
108 #define MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D         0x173
109 #define   MTK_PHY_CR_TX_AMP_OFFSET_C_MASK       GENMASK(13, 8)
110 #define   MTK_PHY_CR_TX_AMP_OFFSET_D_MASK       GENMASK(6, 0)
111
112 #define MTK_PHY_RG_AD_CAL_COMP                  0x17a
113 #define   MTK_PHY_AD_CAL_COMP_OUT_SHIFT         (8)
114
115 #define MTK_PHY_RG_AD_CAL_CLK                   0x17b
116 #define   MTK_PHY_DA_CAL_CLK                    BIT(0)
117
118 #define MTK_PHY_RG_AD_CALIN                     0x17c
119 #define   MTK_PHY_DA_CALIN_FLAG                 BIT(0)
120
121 #define MTK_PHY_RG_DASN_DAC_IN0_A               0x17d
122 #define   MTK_PHY_DASN_DAC_IN0_A_MASK           GENMASK(9, 0)
123
124 #define MTK_PHY_RG_DASN_DAC_IN0_B               0x17e
125 #define   MTK_PHY_DASN_DAC_IN0_B_MASK           GENMASK(9, 0)
126
127 #define MTK_PHY_RG_DASN_DAC_IN0_C               0x17f
128 #define   MTK_PHY_DASN_DAC_IN0_C_MASK           GENMASK(9, 0)
129
130 #define MTK_PHY_RG_DASN_DAC_IN0_D               0x180
131 #define   MTK_PHY_DASN_DAC_IN0_D_MASK           GENMASK(9, 0)
132
133 #define MTK_PHY_RG_DASN_DAC_IN1_A               0x181
134 #define   MTK_PHY_DASN_DAC_IN1_A_MASK           GENMASK(9, 0)
135
136 #define MTK_PHY_RG_DASN_DAC_IN1_B               0x182
137 #define   MTK_PHY_DASN_DAC_IN1_B_MASK           GENMASK(9, 0)
138
139 #define MTK_PHY_RG_DASN_DAC_IN1_C               0x183
140 #define   MTK_PHY_DASN_DAC_IN1_C_MASK           GENMASK(9, 0)
141
142 #define MTK_PHY_RG_DASN_DAC_IN1_D               0x184
143 #define   MTK_PHY_DASN_DAC_IN1_D_MASK           GENMASK(9, 0)
144
145 #define MTK_PHY_RG_DEV1E_REG19b                 0x19b
146 #define   MTK_PHY_BYPASS_DSP_LPI_READY          BIT(8)
147
148 #define MTK_PHY_RG_LP_IIR2_K1_L                 0x22a
149 #define MTK_PHY_RG_LP_IIR2_K1_U                 0x22b
150 #define MTK_PHY_RG_LP_IIR2_K2_L                 0x22c
151 #define MTK_PHY_RG_LP_IIR2_K2_U                 0x22d
152 #define MTK_PHY_RG_LP_IIR2_K3_L                 0x22e
153 #define MTK_PHY_RG_LP_IIR2_K3_U                 0x22f
154 #define MTK_PHY_RG_LP_IIR2_K4_L                 0x230
155 #define MTK_PHY_RG_LP_IIR2_K4_U                 0x231
156 #define MTK_PHY_RG_LP_IIR2_K5_L                 0x232
157 #define MTK_PHY_RG_LP_IIR2_K5_U                 0x233
158
159 #define MTK_PHY_RG_DEV1E_REG234                 0x234
160 #define   MTK_PHY_TR_OPEN_LOOP_EN_MASK          GENMASK(0, 0)
161 #define   MTK_PHY_LPF_X_AVERAGE_MASK            GENMASK(7, 4)
162 #define   MTK_PHY_TR_LP_IIR_EEE_EN              BIT(12)
163
164 #define MTK_PHY_RG_LPF_CNT_VAL                  0x235
165
166 #define MTK_PHY_RG_DEV1E_REG238                 0x238
167 #define   MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK    GENMASK(8, 0)
168 #define   MTK_PHY_LPI_SLV_SEND_TX_EN            BIT(12)
169
170 #define MTK_PHY_RG_DEV1E_REG239                 0x239
171 #define   MTK_PHY_LPI_SEND_LOC_TIMER_MASK       GENMASK(8, 0)
172 #define   MTK_PHY_LPI_TXPCS_LOC_RCV             BIT(12)
173
174 #define MTK_PHY_RG_DEV1E_REG27C                 0x27c
175 #define   MTK_PHY_VGASTATE_FFE_THR_ST1_MASK     GENMASK(12, 8)
176 #define MTK_PHY_RG_DEV1E_REG27D                 0x27d
177 #define   MTK_PHY_VGASTATE_FFE_THR_ST2_MASK     GENMASK(4, 0)
178
179 #define MTK_PHY_RG_DEV1E_REG2C7                 0x2c7
180 #define   MTK_PHY_MAX_GAIN_MASK                 GENMASK(4, 0)
181 #define   MTK_PHY_MIN_GAIN_MASK                 GENMASK(12, 8)
182
183 #define MTK_PHY_RG_DEV1E_REG2D1                 0x2d1
184 #define   MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK  GENMASK(7, 0)
185 #define   MTK_PHY_LPI_SKIP_SD_SLV_TR            BIT(8)
186 #define   MTK_PHY_LPI_TR_READY                  BIT(9)
187 #define   MTK_PHY_LPI_VCO_EEE_STG0_EN           BIT(10)
188
189 #define MTK_PHY_RG_DEV1E_REG323                 0x323
190 #define   MTK_PHY_EEE_WAKE_MAS_INT_DC           BIT(0)
191 #define   MTK_PHY_EEE_WAKE_SLV_INT_DC           BIT(4)
192
193 #define MTK_PHY_RG_DEV1E_REG324                 0x324
194 #define   MTK_PHY_SMI_DETCNT_MAX_MASK           GENMASK(5, 0)
195 #define   MTK_PHY_SMI_DET_MAX_EN                BIT(8)
196
197 #define MTK_PHY_RG_DEV1E_REG326                 0x326
198 #define   MTK_PHY_LPI_MODE_SD_ON                BIT(0)
199 #define   MTK_PHY_RESET_RANDUPD_CNT             BIT(1)
200 #define   MTK_PHY_TREC_UPDATE_ENAB_CLR          BIT(2)
201 #define   MTK_PHY_LPI_QUIT_WAIT_DFE_SIG_DET_OFF BIT(4)
202 #define   MTK_PHY_TR_READY_SKIP_AFE_WAKEUP      BIT(5)
203
204 #define MTK_PHY_LDO_PUMP_EN_PAIRAB              0x502
205 #define MTK_PHY_LDO_PUMP_EN_PAIRCD              0x503
206
207 #define MTK_PHY_DA_TX_R50_PAIR_A                0x53d
208 #define MTK_PHY_DA_TX_R50_PAIR_B                0x53e
209 #define MTK_PHY_DA_TX_R50_PAIR_C                0x53f
210 #define MTK_PHY_DA_TX_R50_PAIR_D                0x540
211
212 /* Registers on MDIO_MMD_VEND2 */
213 #define MTK_PHY_LED0_ON_CTRL                    0x24
214 #define MTK_PHY_LED1_ON_CTRL                    0x26
215 #define   MTK_PHY_LED_ON_MASK                   GENMASK(6, 0)
216 #define   MTK_PHY_LED_ON_LINK1000               BIT(0)
217 #define   MTK_PHY_LED_ON_LINK100                BIT(1)
218 #define   MTK_PHY_LED_ON_LINK10                 BIT(2)
219 #define   MTK_PHY_LED_ON_LINKDOWN               BIT(3)
220 #define   MTK_PHY_LED_ON_FDX                    BIT(4) /* Full duplex */
221 #define   MTK_PHY_LED_ON_HDX                    BIT(5) /* Half duplex */
222 #define   MTK_PHY_LED_ON_FORCE_ON               BIT(6)
223 #define   MTK_PHY_LED_ON_POLARITY               BIT(14)
224 #define   MTK_PHY_LED_ON_ENABLE                 BIT(15)
225
226 #define MTK_PHY_LED0_BLINK_CTRL                 0x25
227 #define MTK_PHY_LED1_BLINK_CTRL                 0x27
228 #define   MTK_PHY_LED_BLINK_1000TX              BIT(0)
229 #define   MTK_PHY_LED_BLINK_1000RX              BIT(1)
230 #define   MTK_PHY_LED_BLINK_100TX               BIT(2)
231 #define   MTK_PHY_LED_BLINK_100RX               BIT(3)
232 #define   MTK_PHY_LED_BLINK_10TX                BIT(4)
233 #define   MTK_PHY_LED_BLINK_10RX                BIT(5)
234 #define   MTK_PHY_LED_BLINK_COLLISION           BIT(6)
235 #define   MTK_PHY_LED_BLINK_RX_CRC_ERR          BIT(7)
236 #define   MTK_PHY_LED_BLINK_RX_IDLE_ERR         BIT(8)
237 #define   MTK_PHY_LED_BLINK_FORCE_BLINK         BIT(9)
238
239 #define MTK_PHY_LED1_DEFAULT_POLARITIES         BIT(1)
240
241 #define MTK_PHY_RG_BG_RASEL                     0x115
242 #define   MTK_PHY_RG_BG_RASEL_MASK              GENMASK(2, 0)
243
244 /* 'boottrap' register reflecting the configuration of the 4 PHY LEDs */
245 #define RG_GPIO_MISC_TPBANK0                    0x6f0
246 #define   RG_GPIO_MISC_TPBANK0_BOOTMODE         GENMASK(11, 8)
247
248 /* These macro privides efuse parsing for internal phy. */
249 #define EFS_DA_TX_I2MPB_A(x)                    (((x) >> 0) & GENMASK(5, 0))
250 #define EFS_DA_TX_I2MPB_B(x)                    (((x) >> 6) & GENMASK(5, 0))
251 #define EFS_DA_TX_I2MPB_C(x)                    (((x) >> 12) & GENMASK(5, 0))
252 #define EFS_DA_TX_I2MPB_D(x)                    (((x) >> 18) & GENMASK(5, 0))
253 #define EFS_DA_TX_AMP_OFFSET_A(x)               (((x) >> 24) & GENMASK(5, 0))
254
255 #define EFS_DA_TX_AMP_OFFSET_B(x)               (((x) >> 0) & GENMASK(5, 0))
256 #define EFS_DA_TX_AMP_OFFSET_C(x)               (((x) >> 6) & GENMASK(5, 0))
257 #define EFS_DA_TX_AMP_OFFSET_D(x)               (((x) >> 12) & GENMASK(5, 0))
258 #define EFS_DA_TX_R50_A(x)                      (((x) >> 18) & GENMASK(5, 0))
259 #define EFS_DA_TX_R50_B(x)                      (((x) >> 24) & GENMASK(5, 0))
260
261 #define EFS_DA_TX_R50_C(x)                      (((x) >> 0) & GENMASK(5, 0))
262 #define EFS_DA_TX_R50_D(x)                      (((x) >> 6) & GENMASK(5, 0))
263
264 #define EFS_RG_BG_RASEL(x)                      (((x) >> 4) & GENMASK(2, 0))
265 #define EFS_RG_REXT_TRIM(x)                     (((x) >> 7) & GENMASK(5, 0))
266
267 enum {
268         NO_PAIR,
269         PAIR_A,
270         PAIR_B,
271         PAIR_C,
272         PAIR_D,
273 };
274
275 enum calibration_mode {
276         EFUSE_K,
277         SW_K
278 };
279
280 enum CAL_ITEM {
281         REXT,
282         TX_OFFSET,
283         TX_AMP,
284         TX_R50,
285         TX_VCM
286 };
287
288 enum CAL_MODE {
289         EFUSE_M,
290         SW_M
291 };
292
293 #define MTK_PHY_LED_STATE_FORCE_ON      0
294 #define MTK_PHY_LED_STATE_FORCE_BLINK   1
295 #define MTK_PHY_LED_STATE_NETDEV        2
296
297 struct mtk_socphy_priv {
298         unsigned long           led_state;
299 };
300
301 struct mtk_socphy_shared {
302         u32                     boottrap;
303         struct mtk_socphy_priv  priv[4];
304 };
305
306 static int mtk_socphy_read_page(struct phy_device *phydev)
307 {
308         return __phy_read(phydev, MTK_EXT_PAGE_ACCESS);
309 }
310
311 static int mtk_socphy_write_page(struct phy_device *phydev, int page)
312 {
313         return __phy_write(phydev, MTK_EXT_PAGE_ACCESS, page);
314 }
315
316 /* One calibration cycle consists of:
317  * 1.Set DA_CALIN_FLAG high to start calibration. Keep it high
318  *   until AD_CAL_COMP is ready to output calibration result.
319  * 2.Wait until DA_CAL_CLK is available.
320  * 3.Fetch AD_CAL_COMP_OUT.
321  */
322 static int cal_cycle(struct phy_device *phydev, int devad,
323                      u32 regnum, u16 mask, u16 cal_val)
324 {
325         int reg_val;
326         int ret;
327
328         phy_modify_mmd(phydev, devad, regnum,
329                        mask, cal_val);
330         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
331                          MTK_PHY_DA_CALIN_FLAG);
332
333         ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1,
334                                         MTK_PHY_RG_AD_CAL_CLK, reg_val,
335                                         reg_val & MTK_PHY_DA_CAL_CLK, 500,
336                                         ANALOG_INTERNAL_OPERATION_MAX_US, false);
337         if (ret) {
338                 phydev_err(phydev, "Calibration cycle timeout\n");
339                 return ret;
340         }
341
342         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
343                            MTK_PHY_DA_CALIN_FLAG);
344         ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP) >>
345                            MTK_PHY_AD_CAL_COMP_OUT_SHIFT;
346         phydev_dbg(phydev, "cal_val: 0x%x, ret: %d\n", cal_val, ret);
347
348         return ret;
349 }
350
351 static int rext_fill_result(struct phy_device *phydev, u16 *buf)
352 {
353         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
354                        MTK_PHY_RG_REXT_TRIM_MASK, buf[0] << 8);
355         phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_BG_RASEL,
356                        MTK_PHY_RG_BG_RASEL_MASK, buf[1]);
357
358         return 0;
359 }
360
361 static int rext_cal_efuse(struct phy_device *phydev, u32 *buf)
362 {
363         u16 rext_cal_val[2];
364
365         rext_cal_val[0] = EFS_RG_REXT_TRIM(buf[3]);
366         rext_cal_val[1] = EFS_RG_BG_RASEL(buf[3]);
367         rext_fill_result(phydev, rext_cal_val);
368
369         return 0;
370 }
371
372 static int tx_offset_fill_result(struct phy_device *phydev, u16 *buf)
373 {
374         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
375                        MTK_PHY_CR_TX_AMP_OFFSET_A_MASK, buf[0] << 8);
376         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
377                        MTK_PHY_CR_TX_AMP_OFFSET_B_MASK, buf[1]);
378         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
379                        MTK_PHY_CR_TX_AMP_OFFSET_C_MASK, buf[2] << 8);
380         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
381                        MTK_PHY_CR_TX_AMP_OFFSET_D_MASK, buf[3]);
382
383         return 0;
384 }
385
386 static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf)
387 {
388         u16 tx_offset_cal_val[4];
389
390         tx_offset_cal_val[0] = EFS_DA_TX_AMP_OFFSET_A(buf[0]);
391         tx_offset_cal_val[1] = EFS_DA_TX_AMP_OFFSET_B(buf[1]);
392         tx_offset_cal_val[2] = EFS_DA_TX_AMP_OFFSET_C(buf[1]);
393         tx_offset_cal_val[3] = EFS_DA_TX_AMP_OFFSET_D(buf[1]);
394
395         tx_offset_fill_result(phydev, tx_offset_cal_val);
396
397         return 0;
398 }
399
400 static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf)
401 {
402         int i;
403         int bias[16] = {};
404         const int vals_9461[16] = { 7, 1, 4, 7,
405                                     7, 1, 4, 7,
406                                     7, 1, 4, 7,
407                                     7, 1, 4, 7 };
408         const int vals_9481[16] = { 10, 6, 6, 10,
409                                     10, 6, 6, 10,
410                                     10, 6, 6, 10,
411                                     10, 6, 6, 10 };
412         switch (phydev->drv->phy_id) {
413         case MTK_GPHY_ID_MT7981:
414                 /* We add some calibration to efuse values
415                  * due to board level influence.
416                  * GBE: +7, TBT: +1, HBT: +4, TST: +7
417                  */
418                 memcpy(bias, (const void *)vals_9461, sizeof(bias));
419                 break;
420         case MTK_GPHY_ID_MT7988:
421                 memcpy(bias, (const void *)vals_9481, sizeof(bias));
422                 break;
423         }
424
425         /* Prevent overflow */
426         for (i = 0; i < 12; i++) {
427                 if (buf[i >> 2] + bias[i] > 63) {
428                         buf[i >> 2] = 63;
429                         bias[i] = 0;
430                 }
431         }
432
433         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
434                        MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10);
435         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
436                        MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]);
437         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
438                        MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10);
439         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
440                        MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]);
441
442         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
443                        MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8);
444         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
445                        MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]);
446         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
447                        MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8);
448         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
449                        MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]);
450
451         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
452                        MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 8);
453         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
454                        MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]);
455         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
456                        MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8);
457         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
458                        MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]);
459
460         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
461                        MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 8);
462         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
463                        MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]);
464         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
465                        MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8);
466         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
467                        MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]);
468
469         return 0;
470 }
471
472 static int tx_amp_cal_efuse(struct phy_device *phydev, u32 *buf)
473 {
474         u16 tx_amp_cal_val[4];
475
476         tx_amp_cal_val[0] = EFS_DA_TX_I2MPB_A(buf[0]);
477         tx_amp_cal_val[1] = EFS_DA_TX_I2MPB_B(buf[0]);
478         tx_amp_cal_val[2] = EFS_DA_TX_I2MPB_C(buf[0]);
479         tx_amp_cal_val[3] = EFS_DA_TX_I2MPB_D(buf[0]);
480         tx_amp_fill_result(phydev, tx_amp_cal_val);
481
482         return 0;
483 }
484
485 static int tx_r50_fill_result(struct phy_device *phydev, u16 tx_r50_cal_val,
486                               u8 txg_calen_x)
487 {
488         int bias = 0;
489         u16 reg, val;
490
491         if (phydev->drv->phy_id == MTK_GPHY_ID_MT7988)
492                 bias = -2;
493
494         val = clamp_val(bias + tx_r50_cal_val, 0, 63);
495
496         switch (txg_calen_x) {
497         case PAIR_A:
498                 reg = MTK_PHY_DA_TX_R50_PAIR_A;
499                 break;
500         case PAIR_B:
501                 reg = MTK_PHY_DA_TX_R50_PAIR_B;
502                 break;
503         case PAIR_C:
504                 reg = MTK_PHY_DA_TX_R50_PAIR_C;
505                 break;
506         case PAIR_D:
507                 reg = MTK_PHY_DA_TX_R50_PAIR_D;
508                 break;
509         default:
510                 return -EINVAL;
511         }
512
513         phy_write_mmd(phydev, MDIO_MMD_VEND1, reg, val | val << 8);
514
515         return 0;
516 }
517
518 static int tx_r50_cal_efuse(struct phy_device *phydev, u32 *buf,
519                             u8 txg_calen_x)
520 {
521         u16 tx_r50_cal_val;
522
523         switch (txg_calen_x) {
524         case PAIR_A:
525                 tx_r50_cal_val = EFS_DA_TX_R50_A(buf[1]);
526                 break;
527         case PAIR_B:
528                 tx_r50_cal_val = EFS_DA_TX_R50_B(buf[1]);
529                 break;
530         case PAIR_C:
531                 tx_r50_cal_val = EFS_DA_TX_R50_C(buf[2]);
532                 break;
533         case PAIR_D:
534                 tx_r50_cal_val = EFS_DA_TX_R50_D(buf[2]);
535                 break;
536         default:
537                 return -EINVAL;
538         }
539         tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
540
541         return 0;
542 }
543
544 static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x)
545 {
546         u8 lower_idx, upper_idx, txreserve_val;
547         u8 lower_ret, upper_ret;
548         int ret;
549
550         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
551                          MTK_PHY_RG_ANA_CALEN);
552         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
553                            MTK_PHY_RG_CAL_CKINV);
554         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
555                          MTK_PHY_RG_TXVOS_CALEN);
556
557         switch (rg_txreserve_x) {
558         case PAIR_A:
559                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
560                                    MTK_PHY_RG_DASN_DAC_IN0_A,
561                                    MTK_PHY_DASN_DAC_IN0_A_MASK);
562                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
563                                    MTK_PHY_RG_DASN_DAC_IN1_A,
564                                    MTK_PHY_DASN_DAC_IN1_A_MASK);
565                 phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
566                                  MTK_PHY_RG_ANA_CAL_RG0,
567                                  MTK_PHY_RG_ZCALEN_A);
568                 break;
569         case PAIR_B:
570                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
571                                    MTK_PHY_RG_DASN_DAC_IN0_B,
572                                    MTK_PHY_DASN_DAC_IN0_B_MASK);
573                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
574                                    MTK_PHY_RG_DASN_DAC_IN1_B,
575                                    MTK_PHY_DASN_DAC_IN1_B_MASK);
576                 phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
577                                  MTK_PHY_RG_ANA_CAL_RG1,
578                                  MTK_PHY_RG_ZCALEN_B);
579                 break;
580         case PAIR_C:
581                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
582                                    MTK_PHY_RG_DASN_DAC_IN0_C,
583                                    MTK_PHY_DASN_DAC_IN0_C_MASK);
584                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
585                                    MTK_PHY_RG_DASN_DAC_IN1_C,
586                                    MTK_PHY_DASN_DAC_IN1_C_MASK);
587                 phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
588                                  MTK_PHY_RG_ANA_CAL_RG1,
589                                  MTK_PHY_RG_ZCALEN_C);
590                 break;
591         case PAIR_D:
592                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
593                                    MTK_PHY_RG_DASN_DAC_IN0_D,
594                                    MTK_PHY_DASN_DAC_IN0_D_MASK);
595                 phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
596                                    MTK_PHY_RG_DASN_DAC_IN1_D,
597                                    MTK_PHY_DASN_DAC_IN1_D_MASK);
598                 phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
599                                  MTK_PHY_RG_ANA_CAL_RG1,
600                                  MTK_PHY_RG_ZCALEN_D);
601                 break;
602         default:
603                 ret = -EINVAL;
604                 goto restore;
605         }
606
607         lower_idx = TXRESERVE_MIN;
608         upper_idx = TXRESERVE_MAX;
609
610         phydev_dbg(phydev, "Start TX-VCM SW cal.\n");
611         while ((upper_idx - lower_idx) > 1) {
612                 txreserve_val = DIV_ROUND_CLOSEST(lower_idx + upper_idx, 2);
613                 ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
614                                 MTK_PHY_DA_RX_PSBN_TBT_MASK |
615                                 MTK_PHY_DA_RX_PSBN_HBT_MASK |
616                                 MTK_PHY_DA_RX_PSBN_GBE_MASK |
617                                 MTK_PHY_DA_RX_PSBN_LP_MASK,
618                                 txreserve_val << 12 | txreserve_val << 8 |
619                                 txreserve_val << 4 | txreserve_val);
620                 if (ret == 1) {
621                         upper_idx = txreserve_val;
622                         upper_ret = ret;
623                 } else if (ret == 0) {
624                         lower_idx = txreserve_val;
625                         lower_ret = ret;
626                 } else {
627                         goto restore;
628                 }
629         }
630
631         if (lower_idx == TXRESERVE_MIN) {
632                 lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
633                                       MTK_PHY_RXADC_CTRL_RG9,
634                                       MTK_PHY_DA_RX_PSBN_TBT_MASK |
635                                       MTK_PHY_DA_RX_PSBN_HBT_MASK |
636                                       MTK_PHY_DA_RX_PSBN_GBE_MASK |
637                                       MTK_PHY_DA_RX_PSBN_LP_MASK,
638                                       lower_idx << 12 | lower_idx << 8 |
639                                       lower_idx << 4 | lower_idx);
640                 ret = lower_ret;
641         } else if (upper_idx == TXRESERVE_MAX) {
642                 upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
643                                       MTK_PHY_RXADC_CTRL_RG9,
644                                       MTK_PHY_DA_RX_PSBN_TBT_MASK |
645                                       MTK_PHY_DA_RX_PSBN_HBT_MASK |
646                                       MTK_PHY_DA_RX_PSBN_GBE_MASK |
647                                       MTK_PHY_DA_RX_PSBN_LP_MASK,
648                                       upper_idx << 12 | upper_idx << 8 |
649                                       upper_idx << 4 | upper_idx);
650                 ret = upper_ret;
651         }
652         if (ret < 0)
653                 goto restore;
654
655         /* We calibrate TX-VCM in different logic. Check upper index and then
656          * lower index. If this calibration is valid, apply lower index's result.
657          */
658         ret = upper_ret - lower_ret;
659         if (ret == 1) {
660                 ret = 0;
661                 /* Make sure we use upper_idx in our calibration system */
662                 cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
663                           MTK_PHY_DA_RX_PSBN_TBT_MASK |
664                           MTK_PHY_DA_RX_PSBN_HBT_MASK |
665                           MTK_PHY_DA_RX_PSBN_GBE_MASK |
666                           MTK_PHY_DA_RX_PSBN_LP_MASK,
667                           upper_idx << 12 | upper_idx << 8 |
668                           upper_idx << 4 | upper_idx);
669                 phydev_dbg(phydev, "TX-VCM SW cal result: 0x%x\n", upper_idx);
670         } else if (lower_idx == TXRESERVE_MIN && upper_ret == 1 &&
671                    lower_ret == 1) {
672                 ret = 0;
673                 cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
674                           MTK_PHY_DA_RX_PSBN_TBT_MASK |
675                           MTK_PHY_DA_RX_PSBN_HBT_MASK |
676                           MTK_PHY_DA_RX_PSBN_GBE_MASK |
677                           MTK_PHY_DA_RX_PSBN_LP_MASK,
678                           lower_idx << 12 | lower_idx << 8 |
679                           lower_idx << 4 | lower_idx);
680                 phydev_warn(phydev, "TX-VCM SW cal result at low margin 0x%x\n",
681                             lower_idx);
682         } else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 &&
683                    lower_ret == 0) {
684                 ret = 0;
685                 phydev_warn(phydev, "TX-VCM SW cal result at high margin 0x%x\n",
686                             upper_idx);
687         } else {
688                 ret = -EINVAL;
689         }
690
691 restore:
692         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
693                            MTK_PHY_RG_ANA_CALEN);
694         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
695                            MTK_PHY_RG_TXVOS_CALEN);
696         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
697                            MTK_PHY_RG_ZCALEN_A);
698         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
699                            MTK_PHY_RG_ZCALEN_B | MTK_PHY_RG_ZCALEN_C |
700                            MTK_PHY_RG_ZCALEN_D);
701
702         return ret;
703 }
704
705 static void mt798x_phy_common_finetune(struct phy_device *phydev)
706 {
707         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
708         /* EnabRandUpdTrig = 1 */
709         __phy_write(phydev, 0x11, 0x2f00);
710         __phy_write(phydev, 0x12, 0xe);
711         __phy_write(phydev, 0x10, 0x8fb0);
712
713         /* NormMseLoThresh = 85 */
714         __phy_write(phydev, 0x11, 0x55a0);
715         __phy_write(phydev, 0x12, 0x0);
716         __phy_write(phydev, 0x10, 0x83aa);
717
718         /* TrFreeze = 0 */
719         __phy_write(phydev, 0x11, 0x0);
720         __phy_write(phydev, 0x12, 0x0);
721         __phy_write(phydev, 0x10, 0x9686);
722
723         /* SSTrKp1000Slv = 5 */
724         __phy_write(phydev, 0x11, 0xbaef);
725         __phy_write(phydev, 0x12, 0x2e);
726         __phy_write(phydev, 0x10, 0x968c);
727
728         /* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2,
729          * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2
730          */
731         __phy_write(phydev, 0x11, 0xd10a);
732         __phy_write(phydev, 0x12, 0x34);
733         __phy_write(phydev, 0x10, 0x8f82);
734
735         /* VcoSlicerThreshBitsHigh */
736         __phy_write(phydev, 0x11, 0x5555);
737         __phy_write(phydev, 0x12, 0x55);
738         __phy_write(phydev, 0x10, 0x8ec0);
739         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
740
741         /* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
742         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
743                        MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
744                        BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
745
746         /* rg_tr_lpf_cnt_val = 512 */
747         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x200);
748
749         /* IIR2 related */
750         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_L, 0x82);
751         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_U, 0x0);
752         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_L, 0x103);
753         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_U, 0x0);
754         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_L, 0x82);
755         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_U, 0x0);
756         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_L, 0xd177);
757         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_U, 0x3);
758         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_L, 0x2c82);
759         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_U, 0xe);
760
761         /* FFE peaking */
762         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27C,
763                        MTK_PHY_VGASTATE_FFE_THR_ST1_MASK, 0x1b << 8);
764         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27D,
765                        MTK_PHY_VGASTATE_FFE_THR_ST2_MASK, 0x1e);
766
767         /* Disable LDO pump */
768         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRAB, 0x0);
769         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRCD, 0x0);
770         /* Adjust LDO output voltage */
771         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_OUTPUT_V, 0x2222);
772 }
773
774 static void mt7981_phy_finetune(struct phy_device *phydev)
775 {
776         u16 val[8] = { 0x01ce, 0x01c1,
777                        0x020f, 0x0202,
778                        0x03d0, 0x03c0,
779                        0x0013, 0x0005 };
780         int i, k;
781
782         /* 100M eye finetune:
783          * Keep middle level of TX MLT3 shapper as default.
784          * Only change TX MLT3 overshoot level here.
785          */
786         for (k = 0, i = 1; i < 12; i++) {
787                 if (i % 3 == 0)
788                         continue;
789                 phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[k++]);
790         }
791
792         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
793         /* SlvDSPreadyTime = 24, MasDSPreadyTime = 24 */
794         __phy_write(phydev, 0x11, 0xc71);
795         __phy_write(phydev, 0x12, 0xc);
796         __phy_write(phydev, 0x10, 0x8fae);
797
798         /* ResetSyncOffset = 6 */
799         __phy_write(phydev, 0x11, 0x600);
800         __phy_write(phydev, 0x12, 0x0);
801         __phy_write(phydev, 0x10, 0x8fc0);
802
803         /* VgaDecRate = 1 */
804         __phy_write(phydev, 0x11, 0x4c2a);
805         __phy_write(phydev, 0x12, 0x3e);
806         __phy_write(phydev, 0x10, 0x8fa4);
807
808         /* FfeUpdGainForce = 4 */
809         __phy_write(phydev, 0x11, 0x240);
810         __phy_write(phydev, 0x12, 0x0);
811         __phy_write(phydev, 0x10, 0x9680);
812
813         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
814 }
815
816 static void mt7988_phy_finetune(struct phy_device *phydev)
817 {
818         u16 val[12] = { 0x0187, 0x01cd, 0x01c8, 0x0182,
819                         0x020d, 0x0206, 0x0384, 0x03d0,
820                         0x03c6, 0x030a, 0x0011, 0x0005 };
821         int i;
822
823         /* Set default MLT3 shaper first */
824         for (i = 0; i < 12; i++)
825                 phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[i]);
826
827         /* TCT finetune */
828         phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5);
829
830         /* Disable TX power saving */
831         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
832                        MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
833
834         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
835
836         /* SlvDSPreadyTime = 24, MasDSPreadyTime = 12 */
837         __phy_write(phydev, 0x11, 0x671);
838         __phy_write(phydev, 0x12, 0xc);
839         __phy_write(phydev, 0x10, 0x8fae);
840
841         /* ResetSyncOffset = 5 */
842         __phy_write(phydev, 0x11, 0x500);
843         __phy_write(phydev, 0x12, 0x0);
844         __phy_write(phydev, 0x10, 0x8fc0);
845
846         /* VgaDecRate is 1 at default on mt7988 */
847
848         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
849
850         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_2A30);
851         /* TxClkOffset = 2 */
852         __phy_modify(phydev, MTK_PHY_ANARG_RG, MTK_PHY_TCLKOFFSET_MASK,
853                      FIELD_PREP(MTK_PHY_TCLKOFFSET_MASK, 0x2));
854         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
855 }
856
857 static void mt798x_phy_eee(struct phy_device *phydev)
858 {
859         phy_modify_mmd(phydev, MDIO_MMD_VEND1,
860                        MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG120,
861                        MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK |
862                        MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK,
863                        FIELD_PREP(MTK_PHY_LPI_SIG_EN_LO_THRESH1000_MASK, 0x0) |
864                        FIELD_PREP(MTK_PHY_LPI_SIG_EN_HI_THRESH1000_MASK, 0x14));
865
866         phy_modify_mmd(phydev, MDIO_MMD_VEND1,
867                        MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122,
868                        MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
869                        FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
870                                   0xff));
871
872         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
873                            MTK_PHY_RG_TESTMUX_ADC_CTRL,
874                            MTK_PHY_RG_TXEN_DIG_MASK);
875
876         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
877                          MTK_PHY_RG_DEV1E_REG19b, MTK_PHY_BYPASS_DSP_LPI_READY);
878
879         phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
880                            MTK_PHY_RG_DEV1E_REG234, MTK_PHY_TR_LP_IIR_EEE_EN);
881
882         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG238,
883                        MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK |
884                        MTK_PHY_LPI_SLV_SEND_TX_EN,
885                        FIELD_PREP(MTK_PHY_LPI_SLV_SEND_TX_TIMER_MASK, 0x120));
886
887         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG239,
888                        MTK_PHY_LPI_SEND_LOC_TIMER_MASK |
889                        MTK_PHY_LPI_TXPCS_LOC_RCV,
890                        FIELD_PREP(MTK_PHY_LPI_SEND_LOC_TIMER_MASK, 0x117));
891
892         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2C7,
893                        MTK_PHY_MAX_GAIN_MASK | MTK_PHY_MIN_GAIN_MASK,
894                        FIELD_PREP(MTK_PHY_MAX_GAIN_MASK, 0x8) |
895                        FIELD_PREP(MTK_PHY_MIN_GAIN_MASK, 0x13));
896
897         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG2D1,
898                        MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK,
899                        FIELD_PREP(MTK_PHY_VCO_SLICER_THRESH_BITS_HIGH_EEE_MASK,
900                                   0x33) |
901                        MTK_PHY_LPI_SKIP_SD_SLV_TR | MTK_PHY_LPI_TR_READY |
902                        MTK_PHY_LPI_VCO_EEE_STG0_EN);
903
904         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG323,
905                          MTK_PHY_EEE_WAKE_MAS_INT_DC |
906                          MTK_PHY_EEE_WAKE_SLV_INT_DC);
907
908         phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG324,
909                        MTK_PHY_SMI_DETCNT_MAX_MASK,
910                        FIELD_PREP(MTK_PHY_SMI_DETCNT_MAX_MASK, 0x3f) |
911                        MTK_PHY_SMI_DET_MAX_EN);
912
913         phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG326,
914                          MTK_PHY_LPI_MODE_SD_ON | MTK_PHY_RESET_RANDUPD_CNT |
915                          MTK_PHY_TREC_UPDATE_ENAB_CLR |
916                          MTK_PHY_LPI_QUIT_WAIT_DFE_SIG_DET_OFF |
917                          MTK_PHY_TR_READY_SKIP_AFE_WAKEUP);
918
919         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
920         /* Regsigdet_sel_1000 = 0 */
921         __phy_write(phydev, 0x11, 0xb);
922         __phy_write(phydev, 0x12, 0x0);
923         __phy_write(phydev, 0x10, 0x9690);
924
925         /* REG_EEE_st2TrKf1000 = 3 */
926         __phy_write(phydev, 0x11, 0x114f);
927         __phy_write(phydev, 0x12, 0x2);
928         __phy_write(phydev, 0x10, 0x969a);
929
930         /* RegEEE_slv_wake_tr_timer_tar = 6, RegEEE_slv_remtx_timer_tar = 20 */
931         __phy_write(phydev, 0x11, 0x3028);
932         __phy_write(phydev, 0x12, 0x0);
933         __phy_write(phydev, 0x10, 0x969e);
934
935         /* RegEEE_slv_wake_int_timer_tar = 8 */
936         __phy_write(phydev, 0x11, 0x5010);
937         __phy_write(phydev, 0x12, 0x0);
938         __phy_write(phydev, 0x10, 0x96a0);
939
940         /* RegEEE_trfreeze_timer2 = 586 */
941         __phy_write(phydev, 0x11, 0x24a);
942         __phy_write(phydev, 0x12, 0x0);
943         __phy_write(phydev, 0x10, 0x96a8);
944
945         /* RegEEE100Stg1_tar = 16 */
946         __phy_write(phydev, 0x11, 0x3210);
947         __phy_write(phydev, 0x12, 0x0);
948         __phy_write(phydev, 0x10, 0x96b8);
949
950         /* REGEEE_wake_slv_tr_wait_dfesigdet_en = 1 */
951         __phy_write(phydev, 0x11, 0x1463);
952         __phy_write(phydev, 0x12, 0x0);
953         __phy_write(phydev, 0x10, 0x96ca);
954
955         /* DfeTailEnableVgaThresh1000 = 27 */
956         __phy_write(phydev, 0x11, 0x36);
957         __phy_write(phydev, 0x12, 0x0);
958         __phy_write(phydev, 0x10, 0x8f80);
959         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
960
961         phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_3);
962         __phy_modify(phydev, MTK_PHY_LPI_REG_14, MTK_PHY_LPI_WAKE_TIMER_1000_MASK,
963                      FIELD_PREP(MTK_PHY_LPI_WAKE_TIMER_1000_MASK, 0x19c));
964
965         __phy_modify(phydev, MTK_PHY_LPI_REG_1c, MTK_PHY_SMI_DET_ON_THRESH_MASK,
966                      FIELD_PREP(MTK_PHY_SMI_DET_ON_THRESH_MASK, 0xc));
967         phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
968
969         phy_modify_mmd(phydev, MDIO_MMD_VEND1,
970                        MTK_PHY_RG_LPI_PCS_DSP_CTRL_REG122,
971                        MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK,
972                        FIELD_PREP(MTK_PHY_LPI_NORM_MSE_HI_THRESH1000_MASK, 0xff));
973 }
974
975 static int cal_sw(struct phy_device *phydev, enum CAL_ITEM cal_item,
976                   u8 start_pair, u8 end_pair)
977 {
978         u8 pair_n;
979         int ret;
980
981         for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
982                 /* TX_OFFSET & TX_AMP have no SW calibration. */
983                 switch (cal_item) {
984                 case TX_VCM:
985                         ret = tx_vcm_cal_sw(phydev, pair_n);
986                         break;
987                 default:
988                         return -EINVAL;
989                 }
990                 if (ret)
991                         return ret;
992         }
993         return 0;
994 }
995
996 static int cal_efuse(struct phy_device *phydev, enum CAL_ITEM cal_item,
997                      u8 start_pair, u8 end_pair, u32 *buf)
998 {
999         u8 pair_n;
1000         int ret;
1001
1002         for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
1003                 /* TX_VCM has no efuse calibration. */
1004                 switch (cal_item) {
1005                 case REXT:
1006                         ret = rext_cal_efuse(phydev, buf);
1007                         break;
1008                 case TX_OFFSET:
1009                         ret = tx_offset_cal_efuse(phydev, buf);
1010                         break;
1011                 case TX_AMP:
1012                         ret = tx_amp_cal_efuse(phydev, buf);
1013                         break;
1014                 case TX_R50:
1015                         ret = tx_r50_cal_efuse(phydev, buf, pair_n);
1016                         break;
1017                 default:
1018                         return -EINVAL;
1019                 }
1020                 if (ret)
1021                         return ret;
1022         }
1023
1024         return 0;
1025 }
1026
1027 static int start_cal(struct phy_device *phydev, enum CAL_ITEM cal_item,
1028                      enum CAL_MODE cal_mode, u8 start_pair,
1029                      u8 end_pair, u32 *buf)
1030 {
1031         int ret;
1032
1033         switch (cal_mode) {
1034         case EFUSE_M:
1035                 ret = cal_efuse(phydev, cal_item, start_pair,
1036                                 end_pair, buf);
1037                 break;
1038         case SW_M:
1039                 ret = cal_sw(phydev, cal_item, start_pair, end_pair);
1040                 break;
1041         default:
1042                 return -EINVAL;
1043         }
1044
1045         if (ret) {
1046                 phydev_err(phydev, "cal %d failed\n", cal_item);
1047                 return -EIO;
1048         }
1049
1050         return 0;
1051 }
1052
1053 static int mt798x_phy_calibration(struct phy_device *phydev)
1054 {
1055         int ret = 0;
1056         u32 *buf;
1057         size_t len;
1058         struct nvmem_cell *cell;
1059
1060         cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data");
1061         if (IS_ERR(cell)) {
1062                 if (PTR_ERR(cell) == -EPROBE_DEFER)
1063                         return PTR_ERR(cell);
1064                 return 0;
1065         }
1066
1067         buf = (u32 *)nvmem_cell_read(cell, &len);
1068         if (IS_ERR(buf))
1069                 return PTR_ERR(buf);
1070         nvmem_cell_put(cell);
1071
1072         if (!buf[0] || !buf[1] || !buf[2] || !buf[3] || len < 4 * sizeof(u32)) {
1073                 phydev_err(phydev, "invalid efuse data\n");
1074                 ret = -EINVAL;
1075                 goto out;
1076         }
1077
1078         ret = start_cal(phydev, REXT, EFUSE_M, NO_PAIR, NO_PAIR, buf);
1079         if (ret)
1080                 goto out;
1081         ret = start_cal(phydev, TX_OFFSET, EFUSE_M, NO_PAIR, NO_PAIR, buf);
1082         if (ret)
1083                 goto out;
1084         ret = start_cal(phydev, TX_AMP, EFUSE_M, NO_PAIR, NO_PAIR, buf);
1085         if (ret)
1086                 goto out;
1087         ret = start_cal(phydev, TX_R50, EFUSE_M, PAIR_A, PAIR_D, buf);
1088         if (ret)
1089                 goto out;
1090         ret = start_cal(phydev, TX_VCM, SW_M, PAIR_A, PAIR_A, buf);
1091         if (ret)
1092                 goto out;
1093
1094 out:
1095         kfree(buf);
1096         return ret;
1097 }
1098
1099 static int mt798x_phy_config_init(struct phy_device *phydev)
1100 {
1101         switch (phydev->drv->phy_id) {
1102         case MTK_GPHY_ID_MT7981:
1103                 mt7981_phy_finetune(phydev);
1104                 break;
1105         case MTK_GPHY_ID_MT7988:
1106                 mt7988_phy_finetune(phydev);
1107                 break;
1108         }
1109
1110         mt798x_phy_common_finetune(phydev);
1111         mt798x_phy_eee(phydev);
1112
1113         return mt798x_phy_calibration(phydev);
1114 }
1115
1116 static int mt798x_phy_hw_led_on_set(struct phy_device *phydev, u8 index,
1117                                     bool on)
1118 {
1119         unsigned int bit_on = MTK_PHY_LED_STATE_FORCE_ON + (index ? 16 : 0);
1120         struct mtk_socphy_priv *priv = phydev->priv;
1121         bool changed;
1122
1123         if (on)
1124                 changed = !test_and_set_bit(bit_on, &priv->led_state);
1125         else
1126                 changed = !!test_and_clear_bit(bit_on, &priv->led_state);
1127
1128         changed |= !!test_and_clear_bit(MTK_PHY_LED_STATE_NETDEV +
1129                                         (index ? 16 : 0), &priv->led_state);
1130         if (changed)
1131                 return phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ?
1132                                       MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL,
1133                                       MTK_PHY_LED_ON_MASK,
1134                                       on ? MTK_PHY_LED_ON_FORCE_ON : 0);
1135         else
1136                 return 0;
1137 }
1138
1139 static int mt798x_phy_hw_led_blink_set(struct phy_device *phydev, u8 index,
1140                                        bool blinking)
1141 {
1142         unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0);
1143         struct mtk_socphy_priv *priv = phydev->priv;
1144         bool changed;
1145
1146         if (blinking)
1147                 changed = !test_and_set_bit(bit_blink, &priv->led_state);
1148         else
1149                 changed = !!test_and_clear_bit(bit_blink, &priv->led_state);
1150
1151         changed |= !!test_bit(MTK_PHY_LED_STATE_NETDEV +
1152                               (index ? 16 : 0), &priv->led_state);
1153         if (changed)
1154                 return phy_write_mmd(phydev, MDIO_MMD_VEND2, index ?
1155                                      MTK_PHY_LED1_BLINK_CTRL : MTK_PHY_LED0_BLINK_CTRL,
1156                                      blinking ? MTK_PHY_LED_BLINK_FORCE_BLINK : 0);
1157         else
1158                 return 0;
1159 }
1160
1161 static int mt798x_phy_led_blink_set(struct phy_device *phydev, u8 index,
1162                                     unsigned long *delay_on,
1163                                     unsigned long *delay_off)
1164 {
1165         bool blinking = false;
1166         int err = 0;
1167
1168         if (index > 1)
1169                 return -EINVAL;
1170
1171         if (delay_on && delay_off && (*delay_on > 0) && (*delay_off > 0)) {
1172                 blinking = true;
1173                 *delay_on = 50;
1174                 *delay_off = 50;
1175         }
1176
1177         err = mt798x_phy_hw_led_blink_set(phydev, index, blinking);
1178         if (err)
1179                 return err;
1180
1181         return mt798x_phy_hw_led_on_set(phydev, index, false);
1182 }
1183
1184 static int mt798x_phy_led_brightness_set(struct phy_device *phydev,
1185                                          u8 index, enum led_brightness value)
1186 {
1187         int err;
1188
1189         err = mt798x_phy_hw_led_blink_set(phydev, index, false);
1190         if (err)
1191                 return err;
1192
1193         return mt798x_phy_hw_led_on_set(phydev, index, (value != LED_OFF));
1194 }
1195
1196 static const unsigned long supported_triggers = (BIT(TRIGGER_NETDEV_FULL_DUPLEX) |
1197                                                  BIT(TRIGGER_NETDEV_HALF_DUPLEX) |
1198                                                  BIT(TRIGGER_NETDEV_LINK)        |
1199                                                  BIT(TRIGGER_NETDEV_LINK_10)     |
1200                                                  BIT(TRIGGER_NETDEV_LINK_100)    |
1201                                                  BIT(TRIGGER_NETDEV_LINK_1000)   |
1202                                                  BIT(TRIGGER_NETDEV_RX)          |
1203                                                  BIT(TRIGGER_NETDEV_TX));
1204
1205 static int mt798x_phy_led_hw_is_supported(struct phy_device *phydev, u8 index,
1206                                           unsigned long rules)
1207 {
1208         if (index > 1)
1209                 return -EINVAL;
1210
1211         /* All combinations of the supported triggers are allowed */
1212         if (rules & ~supported_triggers)
1213                 return -EOPNOTSUPP;
1214
1215         return 0;
1216 };
1217
1218 static int mt798x_phy_led_hw_control_get(struct phy_device *phydev, u8 index,
1219                                          unsigned long *rules)
1220 {
1221         unsigned int bit_blink = MTK_PHY_LED_STATE_FORCE_BLINK + (index ? 16 : 0);
1222         unsigned int bit_netdev = MTK_PHY_LED_STATE_NETDEV + (index ? 16 : 0);
1223         unsigned int bit_on = MTK_PHY_LED_STATE_FORCE_ON + (index ? 16 : 0);
1224         struct mtk_socphy_priv *priv = phydev->priv;
1225         int on, blink;
1226
1227         if (index > 1)
1228                 return -EINVAL;
1229
1230         on = phy_read_mmd(phydev, MDIO_MMD_VEND2,
1231                           index ? MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL);
1232
1233         if (on < 0)
1234                 return -EIO;
1235
1236         blink = phy_read_mmd(phydev, MDIO_MMD_VEND2,
1237                              index ? MTK_PHY_LED1_BLINK_CTRL :
1238                                      MTK_PHY_LED0_BLINK_CTRL);
1239         if (blink < 0)
1240                 return -EIO;
1241
1242         if ((on & (MTK_PHY_LED_ON_LINK1000 | MTK_PHY_LED_ON_LINK100 |
1243                    MTK_PHY_LED_ON_LINK10)) ||
1244             (blink & (MTK_PHY_LED_BLINK_1000RX | MTK_PHY_LED_BLINK_100RX |
1245                       MTK_PHY_LED_BLINK_10RX | MTK_PHY_LED_BLINK_1000TX |
1246                       MTK_PHY_LED_BLINK_100TX | MTK_PHY_LED_BLINK_10TX)))
1247                 set_bit(bit_netdev, &priv->led_state);
1248         else
1249                 clear_bit(bit_netdev, &priv->led_state);
1250
1251         if (on & MTK_PHY_LED_ON_FORCE_ON)
1252                 set_bit(bit_on, &priv->led_state);
1253         else
1254                 clear_bit(bit_on, &priv->led_state);
1255
1256         if (blink & MTK_PHY_LED_BLINK_FORCE_BLINK)
1257                 set_bit(bit_blink, &priv->led_state);
1258         else
1259                 clear_bit(bit_blink, &priv->led_state);
1260
1261         if (!rules)
1262                 return 0;
1263
1264         if (on & (MTK_PHY_LED_ON_LINK1000 | MTK_PHY_LED_ON_LINK100 | MTK_PHY_LED_ON_LINK10))
1265                 *rules |= BIT(TRIGGER_NETDEV_LINK);
1266
1267         if (on & MTK_PHY_LED_ON_LINK10)
1268                 *rules |= BIT(TRIGGER_NETDEV_LINK_10);
1269
1270         if (on & MTK_PHY_LED_ON_LINK100)
1271                 *rules |= BIT(TRIGGER_NETDEV_LINK_100);
1272
1273         if (on & MTK_PHY_LED_ON_LINK1000)
1274                 *rules |= BIT(TRIGGER_NETDEV_LINK_1000);
1275
1276         if (on & MTK_PHY_LED_ON_FDX)
1277                 *rules |= BIT(TRIGGER_NETDEV_FULL_DUPLEX);
1278
1279         if (on & MTK_PHY_LED_ON_HDX)
1280                 *rules |= BIT(TRIGGER_NETDEV_HALF_DUPLEX);
1281
1282         if (blink & (MTK_PHY_LED_BLINK_1000RX | MTK_PHY_LED_BLINK_100RX | MTK_PHY_LED_BLINK_10RX))
1283                 *rules |= BIT(TRIGGER_NETDEV_RX);
1284
1285         if (blink & (MTK_PHY_LED_BLINK_1000TX | MTK_PHY_LED_BLINK_100TX | MTK_PHY_LED_BLINK_10TX))
1286                 *rules |= BIT(TRIGGER_NETDEV_TX);
1287
1288         return 0;
1289 };
1290
1291 static int mt798x_phy_led_hw_control_set(struct phy_device *phydev, u8 index,
1292                                          unsigned long rules)
1293 {
1294         unsigned int bit_netdev = MTK_PHY_LED_STATE_NETDEV + (index ? 16 : 0);
1295         struct mtk_socphy_priv *priv = phydev->priv;
1296         u16 on = 0, blink = 0;
1297         int ret;
1298
1299         if (index > 1)
1300                 return -EINVAL;
1301
1302         if (rules & BIT(TRIGGER_NETDEV_FULL_DUPLEX))
1303                 on |= MTK_PHY_LED_ON_FDX;
1304
1305         if (rules & BIT(TRIGGER_NETDEV_HALF_DUPLEX))
1306                 on |= MTK_PHY_LED_ON_HDX;
1307
1308         if (rules & (BIT(TRIGGER_NETDEV_LINK_10) | BIT(TRIGGER_NETDEV_LINK)))
1309                 on |= MTK_PHY_LED_ON_LINK10;
1310
1311         if (rules & (BIT(TRIGGER_NETDEV_LINK_100) | BIT(TRIGGER_NETDEV_LINK)))
1312                 on |= MTK_PHY_LED_ON_LINK100;
1313
1314         if (rules & (BIT(TRIGGER_NETDEV_LINK_1000) | BIT(TRIGGER_NETDEV_LINK)))
1315                 on |= MTK_PHY_LED_ON_LINK1000;
1316
1317         if (rules & BIT(TRIGGER_NETDEV_RX)) {
1318                 blink |= MTK_PHY_LED_BLINK_10RX  |
1319                          MTK_PHY_LED_BLINK_100RX |
1320                          MTK_PHY_LED_BLINK_1000RX;
1321         }
1322
1323         if (rules & BIT(TRIGGER_NETDEV_TX)) {
1324                 blink |= MTK_PHY_LED_BLINK_10TX  |
1325                          MTK_PHY_LED_BLINK_100TX |
1326                          MTK_PHY_LED_BLINK_1000TX;
1327         }
1328
1329         if (blink || on)
1330                 set_bit(bit_netdev, &priv->led_state);
1331         else
1332                 clear_bit(bit_netdev, &priv->led_state);
1333
1334         ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ?
1335                                 MTK_PHY_LED1_ON_CTRL :
1336                                 MTK_PHY_LED0_ON_CTRL,
1337                              MTK_PHY_LED_ON_FDX     |
1338                              MTK_PHY_LED_ON_HDX     |
1339                              MTK_PHY_LED_ON_LINK10  |
1340                              MTK_PHY_LED_ON_LINK100 |
1341                              MTK_PHY_LED_ON_LINK1000,
1342                              on);
1343
1344         if (ret)
1345                 return ret;
1346
1347         return phy_write_mmd(phydev, MDIO_MMD_VEND2, index ?
1348                                 MTK_PHY_LED1_BLINK_CTRL :
1349                                 MTK_PHY_LED0_BLINK_CTRL, blink);
1350 };
1351
1352 static bool mt7988_phy_led_get_polarity(struct phy_device *phydev, int led_num)
1353 {
1354         struct mtk_socphy_shared *priv = phydev->shared->priv;
1355         u32 polarities;
1356
1357         if (led_num == 0)
1358                 polarities = ~(priv->boottrap);
1359         else
1360                 polarities = MTK_PHY_LED1_DEFAULT_POLARITIES;
1361
1362         if (polarities & BIT(phydev->mdio.addr))
1363                 return true;
1364
1365         return false;
1366 }
1367
1368 static int mt7988_phy_fix_leds_polarities(struct phy_device *phydev)
1369 {
1370         struct pinctrl *pinctrl;
1371         int index;
1372
1373         /* Setup LED polarity according to bootstrap use of LED pins */
1374         for (index = 0; index < 2; ++index)
1375                 phy_modify_mmd(phydev, MDIO_MMD_VEND2, index ?
1376                                 MTK_PHY_LED1_ON_CTRL : MTK_PHY_LED0_ON_CTRL,
1377                                MTK_PHY_LED_ON_POLARITY,
1378                                mt7988_phy_led_get_polarity(phydev, index) ?
1379                                 MTK_PHY_LED_ON_POLARITY : 0);
1380
1381         /* Only now setup pinctrl to avoid bogus blinking */
1382         pinctrl = devm_pinctrl_get_select(&phydev->mdio.dev, "gbe-led");
1383         if (IS_ERR(pinctrl))
1384                 dev_err(&phydev->mdio.bus->dev, "Failed to setup PHY LED pinctrl\n");
1385
1386         return 0;
1387 }
1388
1389 static int mt7988_phy_probe_shared(struct phy_device *phydev)
1390 {
1391         struct device_node *np = dev_of_node(&phydev->mdio.bus->dev);
1392         struct mtk_socphy_shared *shared = phydev->shared->priv;
1393         struct regmap *regmap;
1394         u32 reg;
1395         int ret;
1396
1397         /* The LED0 of the 4 PHYs in MT7988 are wired to SoC pins LED_A, LED_B,
1398          * LED_C and LED_D respectively. At the same time those pins are used to
1399          * bootstrap configuration of the reference clock source (LED_A),
1400          * DRAM DDRx16b x2/x1 (LED_B) and boot device (LED_C, LED_D).
1401          * In practise this is done using a LED and a resistor pulling the pin
1402          * either to GND or to VIO.
1403          * The detected value at boot time is accessible at run-time using the
1404          * TPBANK0 register located in the gpio base of the pinctrl, in order
1405          * to read it here it needs to be referenced by a phandle called
1406          * 'mediatek,pio' in the MDIO bus hosting the PHY.
1407          * The 4 bits in TPBANK0 are kept as package shared data and are used to
1408          * set LED polarity for each of the LED0.
1409          */
1410         regmap = syscon_regmap_lookup_by_phandle(np, "mediatek,pio");
1411         if (IS_ERR(regmap))
1412                 return PTR_ERR(regmap);
1413
1414         ret = regmap_read(regmap, RG_GPIO_MISC_TPBANK0, &reg);
1415         if (ret)
1416                 return ret;
1417
1418         shared->boottrap = FIELD_GET(RG_GPIO_MISC_TPBANK0_BOOTMODE, reg);
1419
1420         return 0;
1421 }
1422
1423 static void mt798x_phy_leds_state_init(struct phy_device *phydev)
1424 {
1425         int i;
1426
1427         for (i = 0; i < 2; ++i)
1428                 mt798x_phy_led_hw_control_get(phydev, i, NULL);
1429 }
1430
1431 static int mt7988_phy_probe(struct phy_device *phydev)
1432 {
1433         struct mtk_socphy_shared *shared;
1434         struct mtk_socphy_priv *priv;
1435         int err;
1436
1437         if (phydev->mdio.addr > 3)
1438                 return -EINVAL;
1439
1440         err = devm_phy_package_join(&phydev->mdio.dev, phydev, 0,
1441                                     sizeof(struct mtk_socphy_shared));
1442         if (err)
1443                 return err;
1444
1445         if (phy_package_probe_once(phydev)) {
1446                 err = mt7988_phy_probe_shared(phydev);
1447                 if (err)
1448                         return err;
1449         }
1450
1451         shared = phydev->shared->priv;
1452         priv = &shared->priv[phydev->mdio.addr];
1453
1454         phydev->priv = priv;
1455
1456         mt798x_phy_leds_state_init(phydev);
1457
1458         err = mt7988_phy_fix_leds_polarities(phydev);
1459         if (err)
1460                 return err;
1461
1462         return mt798x_phy_calibration(phydev);
1463 }
1464
1465 static int mt7981_phy_probe(struct phy_device *phydev)
1466 {
1467         struct mtk_socphy_priv *priv;
1468
1469         priv = devm_kzalloc(&phydev->mdio.dev, sizeof(struct mtk_socphy_priv),
1470                             GFP_KERNEL);
1471         if (!priv)
1472                 return -ENOMEM;
1473
1474         phydev->priv = priv;
1475
1476         mt798x_phy_leds_state_init(phydev);
1477
1478         return mt798x_phy_calibration(phydev);
1479 }
1480
1481 static struct phy_driver mtk_socphy_driver[] = {
1482         {
1483                 PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7981),
1484                 .name           = "MediaTek MT7981 PHY",
1485                 .config_init    = mt798x_phy_config_init,
1486                 .config_intr    = genphy_no_config_intr,
1487                 .handle_interrupt = genphy_handle_interrupt_no_ack,
1488                 .probe          = mt7981_phy_probe,
1489                 .suspend        = genphy_suspend,
1490                 .resume         = genphy_resume,
1491                 .read_page      = mtk_socphy_read_page,
1492                 .write_page     = mtk_socphy_write_page,
1493                 .led_blink_set  = mt798x_phy_led_blink_set,
1494                 .led_brightness_set = mt798x_phy_led_brightness_set,
1495                 .led_hw_is_supported = mt798x_phy_led_hw_is_supported,
1496                 .led_hw_control_set = mt798x_phy_led_hw_control_set,
1497                 .led_hw_control_get = mt798x_phy_led_hw_control_get,
1498         },
1499         {
1500                 PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7988),
1501                 .name           = "MediaTek MT7988 PHY",
1502                 .config_init    = mt798x_phy_config_init,
1503                 .config_intr    = genphy_no_config_intr,
1504                 .handle_interrupt = genphy_handle_interrupt_no_ack,
1505                 .probe          = mt7988_phy_probe,
1506                 .suspend        = genphy_suspend,
1507                 .resume         = genphy_resume,
1508                 .read_page      = mtk_socphy_read_page,
1509                 .write_page     = mtk_socphy_write_page,
1510                 .led_blink_set  = mt798x_phy_led_blink_set,
1511                 .led_brightness_set = mt798x_phy_led_brightness_set,
1512                 .led_hw_is_supported = mt798x_phy_led_hw_is_supported,
1513                 .led_hw_control_set = mt798x_phy_led_hw_control_set,
1514                 .led_hw_control_get = mt798x_phy_led_hw_control_get,
1515         },
1516 };
1517
1518 module_phy_driver(mtk_socphy_driver);
1519
1520 static struct mdio_device_id __maybe_unused mtk_socphy_tbl[] = {
1521         { PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7981) },
1522         { PHY_ID_MATCH_EXACT(MTK_GPHY_ID_MT7988) },
1523         { }
1524 };
1525
1526 MODULE_DESCRIPTION("MediaTek SoC Gigabit Ethernet PHY driver");
1527 MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>");
1528 MODULE_AUTHOR("SkyLake Huang <SkyLake.Huang@mediatek.com>");
1529 MODULE_LICENSE("GPL");
1530
1531 MODULE_DEVICE_TABLE(mdio, mtk_socphy_tbl);