1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2021-2022 Rockchip Electronics Co., Ltd.
4 * Copyright (c) 2024-2026 Collabora Ltd.
5 *
6 * Author: Algea Cao <algea.cao@rock-chips.com>
7 * Author: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
8 */
9 #include <linux/bitfield.h>
10 #include <linux/clk.h>
11 #include <linux/clk-provider.h>
12 #include <linux/delay.h>
13 #include <linux/hw_bitfield.h>
14 #include <linux/mfd/syscon.h>
15 #include <linux/module.h>
16 #include <linux/of.h>
17 #include <linux/of_platform.h>
18 #include <linux/phy/phy.h>
19 #include <linux/platform_device.h>
20 #include <linux/pm_runtime.h>
21 #include <linux/rational.h>
22 #include <linux/regmap.h>
23 #include <linux/reset.h>
24
25 #define GRF_HDPTX_CON0 0x00
26 #define LC_REF_CLK_SEL BIT(11)
27 #define HDPTX_I_PLL_EN BIT(7)
28 #define HDPTX_I_BIAS_EN BIT(6)
29 #define HDPTX_I_BGR_EN BIT(5)
30 #define HDPTX_MODE_SEL BIT(0)
31 #define GRF_HDPTX_STATUS 0x80
32 #define HDPTX_O_PLL_LOCK_DONE BIT(3)
33 #define HDPTX_O_PHY_CLK_RDY BIT(2)
34 #define HDPTX_O_PHY_RDY BIT(1)
35 #define HDPTX_O_SB_RDY BIT(0)
36
37 #define HDPTX_REG(_n, _min, _max) \
38 ( \
39 BUILD_BUG_ON_ZERO((0x##_n) < (0x##_min)) + \
40 BUILD_BUG_ON_ZERO((0x##_n) > (0x##_max)) + \
41 ((0x##_n) * 4) \
42 )
43
44 #define CMN_REG(n) HDPTX_REG(n, 0000, 00a7)
45 #define SB_REG(n) HDPTX_REG(n, 0100, 0129)
46 #define LNTOP_REG(n) HDPTX_REG(n, 0200, 0229)
47 #define LANE_REG(n) HDPTX_REG(n, 0300, 062d)
48
49 /* CMN_REG(0008) */
50 #define OVRD_LCPLL_EN_MASK BIT(7)
51 #define LCPLL_EN_MASK BIT(6)
52 #define LCPLL_LCVCO_MODE_EN_MASK BIT(4)
53 /* CMN_REG(001e) */
54 #define LCPLL_PI_EN_MASK BIT(5)
55 #define LCPLL_100M_CLK_EN_MASK BIT(0)
56 /* CMN_REG(0022) */
57 #define ANA_LCPLL_PMS_PDIV_MASK GENMASK(7, 4)
58 #define ANA_LCPLL_PMS_REFDIV_MASK GENMASK(3, 0)
59 /* CMN_REG(0023) */
60 #define LCPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4)
61 #define LCPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0)
62 /* CMN_REG(0025) */
63 #define LCPLL_PMS_IQDIV_RSTN_MASK BIT(4)
64 /* CMN_REG(0028) */
65 #define LCPLL_SDC_FRAC_EN_MASK BIT(2)
66 #define LCPLL_SDC_FRAC_RSTN_MASK BIT(0)
67 /* CMN_REG(002d) */
68 #define LCPLL_SDC_N_MASK GENMASK(3, 1)
69 /* CMN_REG(002e) */
70 #define LCPLL_SDC_NUMBERATOR_MASK GENMASK(5, 0)
71 /* CMN_REG(002f) */
72 #define LCPLL_SDC_DENOMINATOR_MASK GENMASK(7, 2)
73 #define LCPLL_SDC_NDIV_RSTN_MASK BIT(0)
74 /* CMN_REG(003c) */
75 #define ANA_LCPLL_RESERVED7_MASK BIT(7)
76 /* CMN_REG(003d) */
77 #define OVRD_ROPLL_EN_MASK BIT(7)
78 #define ROPLL_EN_MASK BIT(6)
79 #define ROPLL_LCVCO_EN_MASK BIT(4)
80 /* CMN_REG(0046) */
81 #define ROPLL_ANA_CPP_CTRL_COARSE_MASK GENMASK(7, 4)
82 #define ROPLL_ANA_CPP_CTRL_FINE_MASK GENMASK(3, 0)
83 /* CMN_REG(0047) */
84 #define ROPLL_ANA_LPF_C_SEL_COARSE_MASK GENMASK(5, 3)
85 #define ROPLL_ANA_LPF_C_SEL_FINE_MASK GENMASK(2, 0)
86 /* CMN_REG(004e) */
87 #define ROPLL_PI_EN_MASK BIT(5)
88 /* CMN_REG(0051) */
89 #define ROPLL_PMS_MDIV_MASK GENMASK(7, 0)
90 /* CMN_REG(0055) */
91 #define ROPLL_PMS_MDIV_AFC_MASK GENMASK(7, 0)
92 /* CMN_REG(0059) */
93 #define ANA_ROPLL_PMS_PDIV_MASK GENMASK(7, 4)
94 #define ANA_ROPLL_PMS_REFDIV_MASK GENMASK(3, 0)
95 /* CMN_REG(005a) */
96 #define ROPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4)
97 #define ROPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0)
98 /* CMN_REG(005b) */
99 #define ROPLL_PMS_SDIV_HBR2_MASK GENMASK(7, 4)
100 /* CMN_REG(005c) */
101 #define ROPLL_PMS_IQDIV_RSTN_MASK BIT(5)
102 /* CMN_REG(005e) */
103 #define ROPLL_SDM_EN_MASK BIT(6)
104 #define OVRD_ROPLL_SDM_RSTN_MASK BIT(5)
105 #define ROPLL_SDM_RSTN_MASK BIT(4)
106 #define ROPLL_SDC_FRAC_EN_RBR_MASK BIT(3)
107 #define ROPLL_SDC_FRAC_EN_HBR_MASK BIT(2)
108 #define ROPLL_SDC_FRAC_EN_HBR2_MASK BIT(1)
109 #define ROPLL_SDM_FRAC_EN_HBR3_MASK BIT(0)
110 /* CMN_REG(005f) */
111 #define OVRD_ROPLL_SDC_RSTN_MASK BIT(5)
112 #define ROPLL_SDC_RSTN_MASK BIT(4)
113 /* CMN_REG(0060) */
114 #define ROPLL_SDM_DENOMINATOR_MASK GENMASK(7, 0)
115 /* CMN_REG(0064) */
116 #define ROPLL_SDM_NUM_SIGN_RBR_MASK BIT(3)
117 #define ROPLL_SDM_NUM_SIGN_HBR_MASK BIT(2)
118 #define ROPLL_SDM_NUM_SIGN_HBR2_MASK BIT(1)
119 /* CMN_REG(0065) */
120 #define ROPLL_SDM_NUM_MASK GENMASK(7, 0)
121 /* CMN_REG(0069) */
122 #define ROPLL_SDC_N_RBR_MASK GENMASK(2, 0)
123 /* CMN_REG(006a) */
124 #define ROPLL_SDC_N_HBR_MASK GENMASK(5, 3)
125 #define ROPLL_SDC_N_HBR2_MASK GENMASK(2, 0)
126 /* CMN_REG(006b) */
127 #define ROPLL_SDC_N_HBR3_MASK GENMASK(3, 1)
128 /* CMN_REG(006c) */
129 #define ROPLL_SDC_NUM_MASK GENMASK(5, 0)
130 /* cmn_reg0070 */
131 #define ROPLL_SDC_DENO_MASK GENMASK(5, 0)
132 /* CMN_REG(0074) */
133 #define OVRD_ROPLL_SDC_NDIV_RSTN_MASK BIT(3)
134 #define ROPLL_SDC_NDIV_RSTN_MASK BIT(2)
135 #define OVRD_ROPLL_SSC_EN_MASK BIT(1)
136 #define ROPLL_SSC_EN_MASK BIT(0)
137 /* CMN_REG(0075) */
138 #define ANA_ROPLL_SSC_FM_DEVIATION_MASK GENMASK(5, 0)
139 /* CMN_REG(0076) */
140 #define ANA_ROPLL_SSC_FM_FREQ_MASK GENMASK(6, 2)
141 /* CMN_REG(0077) */
142 #define ANA_ROPLL_SSC_CLK_DIV_SEL_MASK GENMASK(6, 3)
143 /* CMN_REG(0081) */
144 #define OVRD_PLL_CD_CLK_EN_MASK BIT(8)
145 #define ANA_PLL_CD_TX_SER_RATE_SEL_MASK BIT(3)
146 #define ANA_PLL_CD_HSCLK_WEST_EN_MASK BIT(1)
147 #define ANA_PLL_CD_HSCLK_EAST_EN_MASK BIT(0)
148 /* CMN_REG(0082) */
149 #define ANA_PLL_CD_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
150 /* CMN_REG(0083) */
151 #define ANA_PLL_CD_VREG_ICTRL_MASK GENMASK(6, 5)
152 /* CMN_REG(0084) */
153 #define PLL_LCRO_CLK_SEL_MASK BIT(5)
154 /* CMN_REG(0085) */
155 #define ANA_PLL_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0)
156 /* CMN_REG(0086) */
157 #define PLL_PCG_POSTDIV_SEL_MASK GENMASK(7, 4)
158 #define PLL_PCG_CLK_SEL_MASK GENMASK(3, 1)
159 #define PLL_PCG_CLK_EN_MASK BIT(0)
160 /* CMN_REG(0087) */
161 #define ANA_PLL_FRL_MODE_EN_MASK BIT(3)
162 #define ANA_PLL_TX_HS_CLK_EN_MASK BIT(2)
163 /* CMN_REG(0089) */
164 #define LCPLL_ALONE_MODE_MASK BIT(1)
165 /* CMN_REG(0095) */
166 #define DP_TX_LINK_BW_MASK GENMASK(1, 0)
167 /* CMN_REG(0097) */
168 #define DIG_CLK_SEL_MASK BIT(1)
169 #define LCPLL_REF BIT(1)
170 #define ROPLL_REF 0
171 /* CMN_REG(0099) */
172 #define SSC_EN_MASK GENMASK(7, 6)
173 #define CMN_ROPLL_ALONE_MODE_MASK BIT(2)
174 #define ROPLL_ALONE_MODE BIT(2)
175 /* CMN_REG(009a) */
176 #define HS_SPEED_SEL_MASK BIT(0)
177 #define DIV_10_CLOCK BIT(0)
178 /* CMN_REG(009b) */
179 #define LS_SPEED_SEL_MASK BIT(4)
180 #define LINK_SYMBOL_CLOCK BIT(4)
181 #define LINK_SYMBOL_CLOCK1_2 0
182
183 /* SB_REG(0102) */
184 #define OVRD_SB_RXTERM_EN_MASK BIT(5)
185 #define SB_RXTERM_EN_MASK BIT(4)
186 #define ANA_SB_RXTERM_OFFSP_MASK GENMASK(3, 0)
187 /* SB_REG(0103) */
188 #define ANA_SB_RXTERM_OFFSN_MASK GENMASK(6, 3)
189 #define OVRD_SB_RX_RESCAL_DONE_MASK BIT(1)
190 #define SB_RX_RESCAL_DONE_MASK BIT(0)
191 /* SB_REG(0104) */
192 #define OVRD_SB_EN_MASK BIT(5)
193 #define SB_EN_MASK BIT(4)
194 #define OVRD_SB_AUX_EN_MASK BIT(1)
195 #define SB_AUX_EN_MASK BIT(0)
196 /* SB_REG(0105) */
197 #define OVRD_SB_EARC_CMDC_EN_MASK BIT(6)
198 #define SB_EARC_CMDC_EN_MASK BIT(5)
199 #define ANA_SB_TX_HLVL_PROG_MASK GENMASK(2, 0)
200 /* SB_REG(0106) */
201 #define ANA_SB_TX_LLVL_PROG_MASK GENMASK(6, 4)
202 /* SB_REG(0109) */
203 #define ANA_SB_DMRX_AFC_DIV_RATIO_MASK GENMASK(2, 0)
204 /* SB_REG(010d) */
205 #define ANA_SB_DMRX_LPBK_DATA_MASK BIT(4)
206 /* SB_REG(010f) */
207 #define OVRD_SB_VREG_EN_MASK BIT(7)
208 #define SB_VREG_EN_MASK BIT(6)
209 #define OVRD_SB_VREG_LPF_BYPASS_MASK BIT(5)
210 #define SB_VREG_LPF_BYPASS_MASK BIT(4)
211 #define ANA_SB_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
212 /* SB_REG(0110) */
213 #define ANA_SB_VREG_OUT_SEL_MASK BIT(1)
214 #define ANA_SB_VREG_REF_SEL_MASK BIT(0)
215 /* SB_REG(0113) */
216 #define SB_RX_RCAL_OPT_CODE_MASK GENMASK(5, 4)
217 #define SB_RX_RTERM_CTRL_MASK GENMASK(3, 0)
218 /* SB_REG(0114) */
219 #define SB_TG_SB_EN_DELAY_TIME_MASK GENMASK(5, 3)
220 #define SB_TG_RXTERM_EN_DELAY_TIME_MASK GENMASK(2, 0)
221 /* SB_REG(0115) */
222 #define SB_READY_DELAY_TIME_MASK GENMASK(5, 3)
223 #define SB_TG_OSC_EN_DELAY_TIME_MASK GENMASK(2, 0)
224 /* SB_REG(0116) */
225 #define AFC_RSTN_DELAY_TIME_MASK GENMASK(6, 4)
226 /* SB_REG(0117) */
227 #define FAST_PULSE_TIME_MASK GENMASK(3, 0)
228 /* SB_REG(0118) */
229 #define SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK GENMASK(7, 0)
230 /* SB_REG(011a) */
231 #define SB_TG_CNT_RUN_NO_7_0_MASK GENMASK(7, 0)
232 /* SB_REG(011b) */
233 #define SB_EARC_SIG_DET_BYPASS_MASK BIT(4)
234 #define SB_AFC_TOL_MASK GENMASK(3, 0)
235 /* SB_REG(011c) */
236 #define SB_AFC_STB_NUM_MASK GENMASK(3, 0)
237 /* SB_REG(011d) */
238 #define SB_TG_OSC_CNT_MIN_MASK GENMASK(7, 0)
239 /* SB_REG(011e) */
240 #define SB_TG_OSC_CNT_MAX_MASK GENMASK(7, 0)
241 /* SB_REG(011f) */
242 #define SB_PWM_AFC_CTRL_MASK GENMASK(7, 2)
243 #define SB_RCAL_RSTN_MASK BIT(1)
244 /* SB_REG(0120) */
245 #define SB_AUX_EN_IN_MASK BIT(7)
246 #define SB_EARC_EN_MASK BIT(1)
247 #define SB_EARC_AFC_EN_MASK BIT(2)
248 /* SB_REG(0123) */
249 #define OVRD_SB_READY_MASK BIT(5)
250 #define SB_READY_MASK BIT(4)
251
252 /* LNTOP_REG(0200) */
253 #define PROTOCOL_SEL_MASK BIT(2)
254 #define HDMI_MODE BIT(2)
255 #define HDMI_TMDS_FRL_SEL BIT(1)
256 /* LNTOP_REG(0206) */
257 #define DATA_BUS_WIDTH_MASK GENMASK(2, 1)
258 #define DATA_BUS_WIDTH_SEL_MASK BIT(0)
259 #define DATA_BUS_36_40 BIT(0)
260 /* LNTOP_REG(0207) */
261 #define LANE_EN_MASK 0xf
262 #define ALL_LANE_EN 0xf
263
264 /* LANE_REG(0301) */
265 #define OVRD_LN_TX_DRV_EI_EN_MASK BIT(7)
266 #define LN_TX_DRV_EI_EN_MASK BIT(6)
267 /* LANE_REG(0303) */
268 #define OVRD_LN_TX_DRV_LVL_CTRL_MASK BIT(5)
269 #define LN_TX_DRV_LVL_CTRL_MASK GENMASK(4, 0)
270 /* LANE_REG(0304) */
271 #define OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK BIT(4)
272 #define LN_TX_DRV_POST_LVL_CTRL_MASK GENMASK(3, 0)
273 /* LANE_REG(0305) */
274 #define OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK BIT(6)
275 #define LN_TX_DRV_PRE_LVL_CTRL_MASK GENMASK(5, 2)
276 /* LANE_REG(0306) */
277 #define LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK GENMASK(7, 5)
278 #define LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK GENMASK(4, 2)
279 #define LN_ANA_TX_DRV_ACCDRV_EN_MASK BIT(0)
280 /* LANE_REG(0307) */
281 #define LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK BIT(6)
282 #define LN_ANA_TX_DRV_ACCDRV_CTRL_MASK GENMASK(5, 3)
283 /* LANE_REG(030a) */
284 #define LN_ANA_TX_JEQ_EN_MASK BIT(4)
285 #define LN_TX_JEQ_EVEN_CTRL_RBR_MASK GENMASK(3, 0)
286 /* LANE_REG(030b) */
287 #define LN_TX_JEQ_EVEN_CTRL_HBR_MASK GENMASK(7, 4)
288 #define LN_TX_JEQ_EVEN_CTRL_HBR2_MASK GENMASK(3, 0)
289 /* LANE_REG(030c) */
290 #define LN_TX_JEQ_ODD_CTRL_RBR_MASK GENMASK(3, 0)
291 /* LANE_REG(030d) */
292 #define LN_TX_JEQ_ODD_CTRL_HBR_MASK GENMASK(7, 4)
293 #define LN_TX_JEQ_ODD_CTRL_HBR2_MASK GENMASK(3, 0)
294 /* LANE_REG(0310) */
295 #define LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0)
296 /* LANE_REG(0311) */
297 #define LN_TX_SER_40BIT_EN_RBR_MASK BIT(3)
298 #define LN_TX_SER_40BIT_EN_HBR_MASK BIT(2)
299 #define LN_TX_SER_40BIT_EN_HBR2_MASK BIT(1)
300 /* LANE_REG(0312) */
301 #define LN0_TX_SER_RATE_SEL_RBR_MASK BIT(5)
302 #define LN0_TX_SER_RATE_SEL_HBR_MASK BIT(4)
303 #define LN0_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
304 #define LN0_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
305 /* LANE_REG(0316) */
306 #define LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
307 /* LANE_REG(031B) */
308 #define LN_ANA_TX_RESERVED_MASK GENMASK(7, 0)
309 /* LANE_REG(031e) */
310 #define LN_POLARITY_INV_MASK BIT(2)
311 #define LN_LANE_MODE_MASK BIT(1)
312
313 /* LANE_REG(0412) */
314 #define LN1_TX_SER_RATE_SEL_RBR_MASK BIT(5)
315 #define LN1_TX_SER_RATE_SEL_HBR_MASK BIT(4)
316 #define LN1_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
317 #define LN1_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
318
319 /* LANE_REG(0512) */
320 #define LN2_TX_SER_RATE_SEL_RBR_MASK BIT(5)
321 #define LN2_TX_SER_RATE_SEL_HBR_MASK BIT(4)
322 #define LN2_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
323 #define LN2_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
324
325 /* LANE_REG(0612) */
326 #define LN3_TX_SER_RATE_SEL_RBR_MASK BIT(5)
327 #define LN3_TX_SER_RATE_SEL_HBR_MASK BIT(4)
328 #define LN3_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
329 #define LN3_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
330
331 #define HDMI14_MAX_RATE 340000000
332 #define HDMI20_MAX_RATE 600000000
333 #define FRL_3G3L_RATE 900000000
334 #define FRL_6G3L_RATE 1800000000
335 #define FRL_8G4L_RATE 3200000000
336
337 enum dp_link_rate {
338 DP_BW_RBR,
339 DP_BW_HBR,
340 DP_BW_HBR2,
341 };
342
343 struct lcpll_config {
344 unsigned long long rate;
345 u8 lcvco_mode_en;
346 u8 pi_en;
347 u8 clk_en_100m;
348 u8 pms_mdiv;
349 u8 pms_mdiv_afc;
350 u8 pms_pdiv;
351 u8 pms_refdiv;
352 u8 pms_sdiv;
353 u8 sdm_deno;
354 u8 sdm_num_sign;
355 u8 sdm_num;
356 u8 sdc_n;
357 };
358
359 struct ropll_config {
360 unsigned long long rate;
361 u8 pms_mdiv;
362 u8 pms_mdiv_afc;
363 u8 pms_pdiv;
364 u8 pms_refdiv;
365 u8 pms_sdiv;
366 u8 sdm_en;
367 u8 sdm_deno;
368 u8 sdm_num_sign;
369 u8 sdm_num;
370 u8 sdc_n;
371 u8 sdc_num;
372 u8 sdc_deno;
373 };
374
375 struct tx_drv_ctrl {
376 u8 tx_drv_lvl_ctrl;
377 u8 tx_drv_post_lvl_ctrl;
378 u8 ana_tx_drv_idrv_idn_ctrl;
379 u8 ana_tx_drv_idrv_iup_ctrl;
380 u8 ana_tx_drv_accdrv_en;
381 u8 ana_tx_drv_accdrv_ctrl;
382 u8 tx_drv_pre_lvl_ctrl;
383 u8 ana_tx_jeq_en;
384 u8 tx_jeq_even_ctrl;
385 u8 tx_jeq_odd_ctrl;
386 };
387
388 enum rk_hdptx_reset {
389 RST_APB = 0,
390 RST_INIT,
391 RST_CMN,
392 RST_LANE,
393 RST_MAX
394 };
395
396 #define MAX_HDPTX_PHY_NUM 2
397
398 struct rk_hdptx_phy_cfg {
399 unsigned int num_phys;
400 unsigned int phy_ids[MAX_HDPTX_PHY_NUM];
401 };
402
403 struct rk_hdptx_hdmi_cfg {
404 enum phy_hdmi_mode mode;
405 unsigned long long rate;
406 unsigned int bpc;
407 };
408
409 struct rk_hdptx_phy {
410 struct device *dev;
411 struct regmap *regmap;
412 struct regmap *grf;
413
414 int phy_id;
415 struct phy *phy;
416 struct rk_hdptx_hdmi_cfg hdmi_cfg;
417 struct clk_bulk_data *clks;
418 int nr_clks;
419 struct reset_control_bulk_data rsts[RST_MAX];
420
421 /* clk provider */
422 struct clk_hw hw;
423 bool pll_config_dirty;
424
425 atomic_t usage_count;
426
427 /* used for dp mode */
428 unsigned int link_rate;
429 unsigned int lanes;
430 };
431
432 static const struct lcpll_config rk_hdptx_frl_lcpll_cfg[] = {
433 /* | pms | sdm | */
434 /* rate, lcen, pien, cken, mdiv, mdafc, pdiv, rdiv, sdiv, deno, nsig, num, sdcn, */
435 { 4800000000ULL, 1, 0, 0, 125, 125, 1, 1, 0, 1, 0, 0, 2, },
436 { 4000000000ULL, 1, 1, 0, 104, 104, 1, 1, 0, 9, 0, 1, 1, },
437 { 2400000000ULL, 1, 0, 0, 125, 125, 1, 1, 1, 1, 0, 0, 2, },
438 { 1800000000ULL, 1, 0, 0, 125, 125, 1, 1, 1, 1, 0, 0, 2, },
439 { 900000000ULL, 1, 0, 0, 125, 125, 1, 1, 3, 1, 0, 0, 2, },
440 };
441
442 static const struct ropll_config rk_hdptx_tmds_ropll_cfg[] = {
443 /* | pms | sdm | sdc | */
444 /* rate, mdiv, mdafc, pdiv, rdiv, sdiv, en, deno, nsig, num, n, num, deno, */
445 { 594000000ULL, 124, 124, 1, 1, 0, 1, 62, 1, 16, 5, 0, 1, },
446 { 461101250ULL, 97, 97, 1, 1, 0, 1, 71, 1, 53, 2, 6, 35, },
447 { 371250000ULL, 155, 155, 1, 1, 1, 1, 62, 1, 16, 5, 0, 1, },
448 { 297000000ULL, 124, 124, 1, 1, 1, 1, 62, 1, 16, 5, 0, 1, },
449 { 185625000ULL, 155, 155, 1, 1, 3, 1, 62, 1, 16, 5, 0, 1, },
450 { 162000000ULL, 135, 135, 1, 1, 3, 0, 4, 0, 3, 5, 5, 16, },
451 { 154000000ULL, 193, 193, 1, 1, 5, 1, 193, 1, 32, 2, 1, 1, },
452 { 148500000ULL, 123, 123, 1, 1, 3, 1, 4, 0, 3, 5, 5, 16, },
453 { 146250000ULL, 122, 122, 1, 1, 3, 1, 244, 1, 16, 2, 1, 1, },
454 { 119000000ULL, 149, 149, 1, 1, 5, 1, 149, 1, 16, 2, 1, 1, },
455 { 108000000ULL, 135, 135, 1, 1, 5, 0, 9, 0, 5, 0, 20, 24, },
456 { 106500000ULL, 89, 89, 1, 1, 3, 1, 89, 1, 16, 1, 0, 1, },
457 { 92812500ULL, 155, 155, 1, 1, 7, 1, 62, 1, 16, 5, 0, 1, },
458 { 85500000ULL, 214, 214, 1, 1, 11, 1, 214, 1, 16, 2, 1, 1, },
459 { 83500000ULL, 105, 105, 1, 1, 5, 1, 42, 1, 16, 1, 0, 1, },
460 { 74250000ULL, 124, 124, 1, 1, 7, 1, 62, 1, 16, 5, 0, 1, },
461 { 65000000ULL, 162, 162, 1, 1, 11, 1, 54, 0, 16, 4, 1, 1, },
462 { 50250000ULL, 84, 84, 1, 1, 7, 1, 11, 1, 4, 5, 4, 11, },
463 { 40000000ULL, 100, 100, 1, 1, 11, 0, 9, 0, 5, 0, 20, 24, },
464 { 33750000ULL, 112, 112, 1, 1, 15, 1, 2, 0, 1, 5, 1, 1, },
465 { 27000000ULL, 90, 90, 1, 1, 15, 0, 9, 0, 5, 0, 20, 24, },
466 { 25175000ULL, 84, 84, 1, 1, 15, 1, 168, 1, 16, 4, 1, 1, },
467 };
468
469 static const struct reg_sequence rk_hdptx_common_cmn_init_seq[] = {
470 REG_SEQ0(CMN_REG(0009), 0x0c),
471 REG_SEQ0(CMN_REG(000a), 0x83),
472 REG_SEQ0(CMN_REG(000b), 0x06),
473 REG_SEQ0(CMN_REG(000c), 0x20),
474 REG_SEQ0(CMN_REG(000d), 0xb8),
475 REG_SEQ0(CMN_REG(000e), 0x0f),
476 REG_SEQ0(CMN_REG(000f), 0x0f),
477 REG_SEQ0(CMN_REG(0010), 0x04),
478 REG_SEQ0(CMN_REG(0012), 0x26),
479 REG_SEQ0(CMN_REG(0013), 0x22),
480 REG_SEQ0(CMN_REG(0014), 0x24),
481 REG_SEQ0(CMN_REG(0015), 0x77),
482 REG_SEQ0(CMN_REG(0016), 0x08),
483 REG_SEQ0(CMN_REG(0018), 0x04),
484 REG_SEQ0(CMN_REG(0019), 0x48),
485 REG_SEQ0(CMN_REG(001a), 0x01),
486 REG_SEQ0(CMN_REG(001b), 0x00),
487 REG_SEQ0(CMN_REG(001c), 0x01),
488 REG_SEQ0(CMN_REG(001d), 0x64),
489 REG_SEQ0(CMN_REG(001f), 0x00),
490 REG_SEQ0(CMN_REG(0029), 0x01),
491 REG_SEQ0(CMN_REG(0035), 0x00),
492 REG_SEQ0(CMN_REG(0038), 0x00),
493 REG_SEQ0(CMN_REG(0039), 0x00),
494 REG_SEQ0(CMN_REG(003a), 0x00),
495 REG_SEQ0(CMN_REG(003b), 0x00),
496 REG_SEQ0(CMN_REG(003c), 0x80),
497 REG_SEQ0(CMN_REG(003e), 0x0c),
498 REG_SEQ0(CMN_REG(003f), 0x83),
499 REG_SEQ0(CMN_REG(0040), 0x06),
500 REG_SEQ0(CMN_REG(0041), 0x20),
501 REG_SEQ0(CMN_REG(0043), 0x00),
502 REG_SEQ0(CMN_REG(0044), 0x46),
503 REG_SEQ0(CMN_REG(0045), 0x24),
504 REG_SEQ0(CMN_REG(0047), 0x00),
505 REG_SEQ0(CMN_REG(0049), 0xfa),
506 REG_SEQ0(CMN_REG(004a), 0x08),
507 REG_SEQ0(CMN_REG(004b), 0x00),
508 REG_SEQ0(CMN_REG(004c), 0x01),
509 REG_SEQ0(CMN_REG(004d), 0x64),
510 REG_SEQ0(CMN_REG(004f), 0x00),
511 REG_SEQ0(CMN_REG(0050), 0x00),
512 REG_SEQ0(CMN_REG(005f), 0x01),
513 REG_SEQ0(CMN_REG(0075), 0x20),
514 REG_SEQ0(CMN_REG(0076), 0x30),
515 REG_SEQ0(CMN_REG(0077), 0x08),
516 REG_SEQ0(CMN_REG(0078), 0x0c),
517 REG_SEQ0(CMN_REG(0079), 0x00),
518 REG_SEQ0(CMN_REG(007b), 0x00),
519 REG_SEQ0(CMN_REG(007c), 0x00),
520 REG_SEQ0(CMN_REG(007d), 0x00),
521 REG_SEQ0(CMN_REG(007e), 0x00),
522 REG_SEQ0(CMN_REG(007f), 0x00),
523 REG_SEQ0(CMN_REG(0080), 0x00),
524 REG_SEQ0(CMN_REG(0082), 0x04),
525 REG_SEQ0(CMN_REG(0083), 0x24),
526 REG_SEQ0(CMN_REG(0084), 0x20),
527 REG_SEQ0(CMN_REG(0085), 0x03),
528 REG_SEQ0(CMN_REG(008a), 0x55),
529 REG_SEQ0(CMN_REG(008b), 0x25),
530 REG_SEQ0(CMN_REG(008c), 0x2c),
531 REG_SEQ0(CMN_REG(008d), 0x22),
532 REG_SEQ0(CMN_REG(008e), 0x14),
533 REG_SEQ0(CMN_REG(008f), 0x20),
534 REG_SEQ0(CMN_REG(0090), 0x00),
535 REG_SEQ0(CMN_REG(0091), 0x00),
536 REG_SEQ0(CMN_REG(0092), 0x00),
537 REG_SEQ0(CMN_REG(0093), 0x00),
538 REG_SEQ0(CMN_REG(009a), 0x11),
539 };
540
541 static const struct reg_sequence rk_hdptx_frl_lcpll_cmn_init_seq[] = {
542 REG_SEQ0(CMN_REG(0011), 0x00),
543 REG_SEQ0(CMN_REG(0017), 0x00),
544 REG_SEQ0(CMN_REG(0025), 0x10),
545 REG_SEQ0(CMN_REG(0026), 0x53),
546 REG_SEQ0(CMN_REG(0027), 0x01),
547 REG_SEQ0(CMN_REG(0028), 0x0d),
548 REG_SEQ0(CMN_REG(002e), 0x02),
549 REG_SEQ0(CMN_REG(002f), 0x0d),
550 REG_SEQ0(CMN_REG(0030), 0x00),
551 REG_SEQ0(CMN_REG(0031), 0x20),
552 REG_SEQ0(CMN_REG(0032), 0x30),
553 REG_SEQ0(CMN_REG(0033), 0x0b),
554 REG_SEQ0(CMN_REG(0034), 0x23),
555 REG_SEQ0(CMN_REG(003d), 0x00),
556 REG_SEQ0(CMN_REG(0042), 0xb8),
557 REG_SEQ0(CMN_REG(0046), 0xff),
558 REG_SEQ0(CMN_REG(0048), 0x44),
559 REG_SEQ0(CMN_REG(004e), 0x14),
560 REG_SEQ0(CMN_REG(0051), 0x00),
561 REG_SEQ0(CMN_REG(0055), 0x00),
562 REG_SEQ0(CMN_REG(0059), 0x11),
563 REG_SEQ0(CMN_REG(005a), 0x03),
564 REG_SEQ0(CMN_REG(005c), 0x05),
565 REG_SEQ0(CMN_REG(005d), 0x0c),
566 REG_SEQ0(CMN_REG(005e), 0x07),
567 REG_SEQ0(CMN_REG(0060), 0x01),
568 REG_SEQ0(CMN_REG(0064), 0x07),
569 REG_SEQ0(CMN_REG(0065), 0x00),
570 REG_SEQ0(CMN_REG(0069), 0x00),
571 REG_SEQ0(CMN_REG(006b), 0x04),
572 REG_SEQ0(CMN_REG(006c), 0x00),
573 REG_SEQ0(CMN_REG(0070), 0x01),
574 REG_SEQ0(CMN_REG(0073), 0x30),
575 REG_SEQ0(CMN_REG(0074), 0x00),
576 REG_SEQ0(CMN_REG(0081), 0x09),
577 REG_SEQ0(CMN_REG(0086), 0x01),
578 REG_SEQ0(CMN_REG(0087), 0x0c),
579 REG_SEQ0(CMN_REG(0089), 0x02),
580 REG_SEQ0(CMN_REG(0095), 0x00),
581 REG_SEQ0(CMN_REG(0097), 0x00),
582 REG_SEQ0(CMN_REG(0099), 0x00),
583 REG_SEQ0(CMN_REG(009b), 0x10),
584 };
585
586 static const struct reg_sequence rk_hdptx_frl_lcpll_ropll_cmn_init_seq[] = {
587 REG_SEQ0(CMN_REG(0008), 0xd0),
588 REG_SEQ0(CMN_REG(0011), 0x00),
589 REG_SEQ0(CMN_REG(0017), 0x00),
590 REG_SEQ0(CMN_REG(001e), 0x35),
591 REG_SEQ0(CMN_REG(0020), 0x6b),
592 REG_SEQ0(CMN_REG(0021), 0x6b),
593 REG_SEQ0(CMN_REG(0022), 0x11),
594 REG_SEQ0(CMN_REG(0024), 0x00),
595 REG_SEQ0(CMN_REG(0025), 0x10),
596 REG_SEQ0(CMN_REG(0026), 0x53),
597 REG_SEQ0(CMN_REG(0027), 0x15),
598 REG_SEQ0(CMN_REG(0028), 0x0d),
599 REG_SEQ0(CMN_REG(002a), 0x09),
600 REG_SEQ0(CMN_REG(002b), 0x01),
601 REG_SEQ0(CMN_REG(002c), 0x02),
602 REG_SEQ0(CMN_REG(002d), 0x02),
603 REG_SEQ0(CMN_REG(002e), 0x0d),
604 REG_SEQ0(CMN_REG(002f), 0x61),
605 REG_SEQ0(CMN_REG(0030), 0x00),
606 REG_SEQ0(CMN_REG(0031), 0x20),
607 REG_SEQ0(CMN_REG(0032), 0x30),
608 REG_SEQ0(CMN_REG(0033), 0x0b),
609 REG_SEQ0(CMN_REG(0034), 0x23),
610 REG_SEQ0(CMN_REG(0037), 0x00),
611 REG_SEQ0(CMN_REG(003d), 0xc0),
612 REG_SEQ0(CMN_REG(0042), 0xb8),
613 REG_SEQ0(CMN_REG(0046), 0xff),
614 REG_SEQ0(CMN_REG(0048), 0x44),
615 REG_SEQ0(CMN_REG(004e), 0x14),
616 REG_SEQ0(CMN_REG(0054), 0x19),
617 REG_SEQ0(CMN_REG(0058), 0x19),
618 REG_SEQ0(CMN_REG(0059), 0x11),
619 REG_SEQ0(CMN_REG(005b), 0x30),
620 REG_SEQ0(CMN_REG(005c), 0x25),
621 REG_SEQ0(CMN_REG(005d), 0x14),
622 REG_SEQ0(CMN_REG(005e), 0x0e),
623 REG_SEQ0(CMN_REG(0063), 0x01),
624 REG_SEQ0(CMN_REG(0064), 0x0e),
625 REG_SEQ0(CMN_REG(0068), 0x00),
626 REG_SEQ0(CMN_REG(0069), 0x02),
627 REG_SEQ0(CMN_REG(006b), 0x00),
628 REG_SEQ0(CMN_REG(006f), 0x00),
629 REG_SEQ0(CMN_REG(0073), 0x02),
630 REG_SEQ0(CMN_REG(0074), 0x00),
631 REG_SEQ0(CMN_REG(007a), 0x00),
632 REG_SEQ0(CMN_REG(0081), 0x09),
633 REG_SEQ0(CMN_REG(0086), 0x11),
634 REG_SEQ0(CMN_REG(0087), 0x0c),
635 REG_SEQ0(CMN_REG(0089), 0x00),
636 REG_SEQ0(CMN_REG(0095), 0x03),
637 REG_SEQ0(CMN_REG(0097), 0x00),
638 REG_SEQ0(CMN_REG(0099), 0x00),
639 REG_SEQ0(CMN_REG(009b), 0x10),
640 REG_SEQ0(CMN_REG(009e), 0x03),
641 REG_SEQ0(CMN_REG(009f), 0xff),
642 REG_SEQ0(CMN_REG(00a0), 0x60),
643 };
644
645 static const struct reg_sequence rk_hdptx_tmds_cmn_init_seq[] = {
646 REG_SEQ0(CMN_REG(0008), 0x00),
647 REG_SEQ0(CMN_REG(0011), 0x01),
648 REG_SEQ0(CMN_REG(0017), 0x20),
649 REG_SEQ0(CMN_REG(001e), 0x14),
650 REG_SEQ0(CMN_REG(0020), 0x00),
651 REG_SEQ0(CMN_REG(0021), 0x00),
652 REG_SEQ0(CMN_REG(0022), 0x11),
653 REG_SEQ0(CMN_REG(0023), 0x00),
654 REG_SEQ0(CMN_REG(0024), 0x00),
655 REG_SEQ0(CMN_REG(0025), 0x53),
656 REG_SEQ0(CMN_REG(0026), 0x00),
657 REG_SEQ0(CMN_REG(0027), 0x00),
658 REG_SEQ0(CMN_REG(0028), 0x01),
659 REG_SEQ0(CMN_REG(002a), 0x00),
660 REG_SEQ0(CMN_REG(002b), 0x00),
661 REG_SEQ0(CMN_REG(002c), 0x00),
662 REG_SEQ0(CMN_REG(002d), 0x00),
663 REG_SEQ0(CMN_REG(002e), 0x04),
664 REG_SEQ0(CMN_REG(002f), 0x00),
665 REG_SEQ0(CMN_REG(0030), 0x20),
666 REG_SEQ0(CMN_REG(0031), 0x30),
667 REG_SEQ0(CMN_REG(0032), 0x0b),
668 REG_SEQ0(CMN_REG(0033), 0x23),
669 REG_SEQ0(CMN_REG(0034), 0x00),
670 REG_SEQ0(CMN_REG(003d), 0x40),
671 REG_SEQ0(CMN_REG(0042), 0x78),
672 REG_SEQ0(CMN_REG(0046), 0xdd),
673 REG_SEQ0(CMN_REG(0048), 0x11),
674 REG_SEQ0(CMN_REG(004e), 0x34),
675 REG_SEQ0(CMN_REG(005c), 0x25),
676 REG_SEQ0(CMN_REG(005d), 0x0c),
677 REG_SEQ0(CMN_REG(005e), 0x4f),
678 REG_SEQ0(CMN_REG(006b), 0x04),
679 REG_SEQ0(CMN_REG(0073), 0x30),
680 REG_SEQ0(CMN_REG(0074), 0x04),
681 REG_SEQ0(CMN_REG(0081), 0x01),
682 REG_SEQ0(CMN_REG(0086), 0x01),
683 REG_SEQ0(CMN_REG(0087), 0x04),
684 REG_SEQ0(CMN_REG(0089), 0x00),
685 REG_SEQ0(CMN_REG(0095), 0x00),
686 REG_SEQ0(CMN_REG(0097), 0x02),
687 REG_SEQ0(CMN_REG(0099), 0x04),
688 REG_SEQ0(CMN_REG(009b), 0x00),
689 };
690
691 static const struct reg_sequence rk_hdptx_common_sb_init_seq[] = {
692 REG_SEQ0(SB_REG(0114), 0x00),
693 REG_SEQ0(SB_REG(0115), 0x00),
694 REG_SEQ0(SB_REG(0116), 0x00),
695 REG_SEQ0(SB_REG(0117), 0x00),
696 };
697
698 static const struct reg_sequence rk_hdptx_frl_lntop_init_seq[] = {
699 REG_SEQ0(LNTOP_REG(0200), 0x04),
700 REG_SEQ0(LNTOP_REG(0201), 0x00),
701 REG_SEQ0(LNTOP_REG(0202), 0x00),
702 REG_SEQ0(LNTOP_REG(0203), 0xf0),
703 REG_SEQ0(LNTOP_REG(0204), 0xff),
704 REG_SEQ0(LNTOP_REG(0205), 0xff),
705 REG_SEQ0(LNTOP_REG(0206), 0x05),
706 };
707
708 static const struct reg_sequence rk_hdptx_tmds_lntop_highbr_seq[] = {
709 REG_SEQ0(LNTOP_REG(0201), 0x00),
710 REG_SEQ0(LNTOP_REG(0202), 0x00),
711 REG_SEQ0(LNTOP_REG(0203), 0x0f),
712 REG_SEQ0(LNTOP_REG(0204), 0xff),
713 REG_SEQ0(LNTOP_REG(0205), 0xff),
714 };
715
716 static const struct reg_sequence rk_hdptx_tmds_lntop_lowbr_seq[] = {
717 REG_SEQ0(LNTOP_REG(0201), 0x07),
718 REG_SEQ0(LNTOP_REG(0202), 0xc1),
719 REG_SEQ0(LNTOP_REG(0203), 0xf0),
720 REG_SEQ0(LNTOP_REG(0204), 0x7c),
721 REG_SEQ0(LNTOP_REG(0205), 0x1f),
722 };
723
724 static const struct reg_sequence rk_hdptx_common_lane_init_seq[] = {
725 REG_SEQ0(LANE_REG(0303), 0x0c),
726 REG_SEQ0(LANE_REG(0307), 0x20),
727 REG_SEQ0(LANE_REG(030a), 0x17),
728 REG_SEQ0(LANE_REG(030b), 0x77),
729 REG_SEQ0(LANE_REG(030c), 0x77),
730 REG_SEQ0(LANE_REG(030d), 0x77),
731 REG_SEQ0(LANE_REG(030e), 0x38),
732 REG_SEQ0(LANE_REG(0310), 0x03),
733 REG_SEQ0(LANE_REG(0311), 0x0f),
734 REG_SEQ0(LANE_REG(0316), 0x02),
735 REG_SEQ0(LANE_REG(031b), 0x01),
736 REG_SEQ0(LANE_REG(031f), 0x15),
737 REG_SEQ0(LANE_REG(0320), 0xa0),
738 REG_SEQ0(LANE_REG(0403), 0x0c),
739 REG_SEQ0(LANE_REG(0407), 0x20),
740 REG_SEQ0(LANE_REG(040a), 0x17),
741 REG_SEQ0(LANE_REG(040b), 0x77),
742 REG_SEQ0(LANE_REG(040c), 0x77),
743 REG_SEQ0(LANE_REG(040d), 0x77),
744 REG_SEQ0(LANE_REG(040e), 0x38),
745 REG_SEQ0(LANE_REG(0410), 0x03),
746 REG_SEQ0(LANE_REG(0411), 0x0f),
747 REG_SEQ0(LANE_REG(0416), 0x02),
748 REG_SEQ0(LANE_REG(041b), 0x01),
749 REG_SEQ0(LANE_REG(041f), 0x15),
750 REG_SEQ0(LANE_REG(0420), 0xa0),
751 REG_SEQ0(LANE_REG(0503), 0x0c),
752 REG_SEQ0(LANE_REG(0507), 0x20),
753 REG_SEQ0(LANE_REG(050a), 0x17),
754 REG_SEQ0(LANE_REG(050b), 0x77),
755 REG_SEQ0(LANE_REG(050c), 0x77),
756 REG_SEQ0(LANE_REG(050d), 0x77),
757 REG_SEQ0(LANE_REG(050e), 0x38),
758 REG_SEQ0(LANE_REG(0510), 0x03),
759 REG_SEQ0(LANE_REG(0511), 0x0f),
760 REG_SEQ0(LANE_REG(0516), 0x02),
761 REG_SEQ0(LANE_REG(051b), 0x01),
762 REG_SEQ0(LANE_REG(051f), 0x15),
763 REG_SEQ0(LANE_REG(0520), 0xa0),
764 REG_SEQ0(LANE_REG(0603), 0x0c),
765 REG_SEQ0(LANE_REG(0607), 0x20),
766 REG_SEQ0(LANE_REG(060a), 0x17),
767 REG_SEQ0(LANE_REG(060b), 0x77),
768 REG_SEQ0(LANE_REG(060c), 0x77),
769 REG_SEQ0(LANE_REG(060d), 0x77),
770 REG_SEQ0(LANE_REG(060e), 0x38),
771 REG_SEQ0(LANE_REG(0610), 0x03),
772 REG_SEQ0(LANE_REG(0611), 0x0f),
773 REG_SEQ0(LANE_REG(0616), 0x02),
774 REG_SEQ0(LANE_REG(061b), 0x01),
775 REG_SEQ0(LANE_REG(061f), 0x15),
776 REG_SEQ0(LANE_REG(0620), 0xa0),
777 };
778
779 static const struct reg_sequence rk_hdptx_frl_lane_init_seq[] = {
780 REG_SEQ0(LANE_REG(0312), 0x3c),
781 REG_SEQ0(LANE_REG(0412), 0x3c),
782 REG_SEQ0(LANE_REG(0512), 0x3c),
783 REG_SEQ0(LANE_REG(0612), 0x3c),
784 REG_SEQ0(LANE_REG(0303), 0x2f),
785 REG_SEQ0(LANE_REG(0403), 0x2f),
786 REG_SEQ0(LANE_REG(0503), 0x2f),
787 REG_SEQ0(LANE_REG(0603), 0x2f),
788 REG_SEQ0(LANE_REG(0305), 0x03),
789 REG_SEQ0(LANE_REG(0405), 0x03),
790 REG_SEQ0(LANE_REG(0505), 0x03),
791 REG_SEQ0(LANE_REG(0605), 0x03),
792 REG_SEQ0(LANE_REG(0306), 0xfc),
793 REG_SEQ0(LANE_REG(0406), 0xfc),
794 REG_SEQ0(LANE_REG(0506), 0xfc),
795 REG_SEQ0(LANE_REG(0606), 0xfc),
796 REG_SEQ0(LANE_REG(0305), 0x4f),
797 REG_SEQ0(LANE_REG(0405), 0x4f),
798 REG_SEQ0(LANE_REG(0505), 0x4f),
799 REG_SEQ0(LANE_REG(0605), 0x4f),
800 REG_SEQ0(LANE_REG(0304), 0x14),
801 REG_SEQ0(LANE_REG(0404), 0x14),
802 REG_SEQ0(LANE_REG(0504), 0x14),
803 REG_SEQ0(LANE_REG(0604), 0x14),
804 /* Keep Inter-Pair Skew in the limits */
805 REG_SEQ0(LANE_REG(031e), 0x02),
806 REG_SEQ0(LANE_REG(041e), 0x02),
807 REG_SEQ0(LANE_REG(051e), 0x02),
808 REG_SEQ0(LANE_REG(061e), 0x02),
809 };
810
811 static const struct reg_sequence rk_hdptx_tmds_lane_init_seq[] = {
812 REG_SEQ0(LANE_REG(0312), 0x00),
813 REG_SEQ0(LANE_REG(0412), 0x00),
814 REG_SEQ0(LANE_REG(0512), 0x00),
815 REG_SEQ0(LANE_REG(0612), 0x00),
816 REG_SEQ0(LANE_REG(0303), 0x2f),
817 REG_SEQ0(LANE_REG(0403), 0x2f),
818 REG_SEQ0(LANE_REG(0503), 0x2f),
819 REG_SEQ0(LANE_REG(0603), 0x2f),
820 REG_SEQ0(LANE_REG(0305), 0x03),
821 REG_SEQ0(LANE_REG(0405), 0x03),
822 REG_SEQ0(LANE_REG(0505), 0x03),
823 REG_SEQ0(LANE_REG(0605), 0x03),
824 REG_SEQ0(LANE_REG(0306), 0x1c),
825 REG_SEQ0(LANE_REG(0406), 0x1c),
826 REG_SEQ0(LANE_REG(0506), 0x1c),
827 REG_SEQ0(LANE_REG(0606), 0x1c),
828 /* Keep Inter-Pair Skew in the limits */
829 REG_SEQ0(LANE_REG(031e), 0x02),
830 REG_SEQ0(LANE_REG(041e), 0x02),
831 REG_SEQ0(LANE_REG(051e), 0x02),
832 REG_SEQ0(LANE_REG(061e), 0x0a),
833 };
834
835 static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = {
836 /* voltage swing 0, pre-emphasis 0->3 */
837 {
838 { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
839 { 0x4, 0x3, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
840 { 0x7, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
841 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
842 },
843
844 /* voltage swing 1, pre-emphasis 0->2 */
845 {
846 { 0x4, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
847 { 0x9, 0x5, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
848 { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
849 },
850
851 /* voltage swing 2, pre-emphasis 0->1 */
852 {
853 { 0x8, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
854 { 0xc, 0x5, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
855 },
856
857 /* voltage swing 3, pre-emphasis 0 */
858 {
859 { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
860 }
861 };
862
863 static struct tx_drv_ctrl tx_drv_ctrl_hbr[4][4] = {
864 /* voltage swing 0, pre-emphasis 0->3 */
865 {
866 { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
867 { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
868 { 0x9, 0x8, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
869 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
870 },
871
872 /* voltage swing 1, pre-emphasis 0->2 */
873 {
874 { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
875 { 0xa, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
876 { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
877 },
878
879 /* voltage swing 2, pre-emphasis 0->1 */
880 {
881 { 0x9, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
882 { 0xd, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
883 },
884
885 /* voltage swing 3, pre-emphasis 0 */
886 {
887 { 0xc, 0x1, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
888 }
889 };
890
891 static struct tx_drv_ctrl tx_drv_ctrl_hbr2[4][4] = {
892 /* voltage swing 0, pre-emphasis 0->3 */
893 {
894 { 0x2, 0x1, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
895 { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
896 { 0x9, 0x8, 0x4, 0x6, 0x1, 0x4, 0x0, 0x1, 0x7, 0x7 },
897 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
898 },
899
900 /* voltage swing 1, pre-emphasis 0->2 */
901 {
902 { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
903 { 0xb, 0x7, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
904 { 0xd, 0x9, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
905 },
906
907 /* voltage swing 2, pre-emphasis 0->1 */
908 {
909 { 0x8, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
910 { 0xc, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
911 },
912
913 /* voltage swing 3, pre-emphasis 0 */
914 {
915 { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
916 }
917 };
918
rk_hdptx_phy_is_rw_reg(struct device * dev,unsigned int reg)919 static bool rk_hdptx_phy_is_rw_reg(struct device *dev, unsigned int reg)
920 {
921 switch (reg) {
922 case 0x0000 ... 0x029c: /* CMN Register */
923 case 0x0400 ... 0x04a4: /* Sideband Register */
924 case 0x0800 ... 0x08a4: /* Lane Top Register */
925 case 0x0c00 ... 0x0cb4: /* Lane 0 Register */
926 case 0x1000 ... 0x10b4: /* Lane 1 Register */
927 case 0x1400 ... 0x14b4: /* Lane 2 Register */
928 case 0x1800 ... 0x18b4: /* Lane 3 Register */
929 return true;
930 }
931
932 return false;
933 }
934
935 static const struct regmap_config rk_hdptx_phy_regmap_config = {
936 .reg_bits = 32,
937 .reg_stride = 4,
938 .val_bits = 32,
939 .writeable_reg = rk_hdptx_phy_is_rw_reg,
940 .readable_reg = rk_hdptx_phy_is_rw_reg,
941 .max_register = 0x18b4,
942 };
943
944 #define rk_hdptx_multi_reg_write(hdptx, seq) \
945 regmap_multi_reg_write((hdptx)->regmap, seq, ARRAY_SIZE(seq))
946
rk_hdptx_pre_power_up(struct rk_hdptx_phy * hdptx)947 static void rk_hdptx_pre_power_up(struct rk_hdptx_phy *hdptx)
948 {
949 u32 val;
950
951 reset_control_assert(hdptx->rsts[RST_APB].rstc);
952 usleep_range(20, 25);
953 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
954
955 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
956 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
957 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
958
959 val = (FIELD_PREP_WM16(HDPTX_I_PLL_EN, 0) |
960 FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 0) |
961 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 0));
962 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
963 }
964
rk_hdptx_post_enable_lane(struct rk_hdptx_phy * hdptx)965 static int rk_hdptx_post_enable_lane(struct rk_hdptx_phy *hdptx)
966 {
967 u32 val;
968 int ret;
969
970 reset_control_deassert(hdptx->rsts[RST_LANE].rstc);
971
972 val = (FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 1) |
973 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 1));
974 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
975
976 /* 3 lanes FRL mode */
977 if (hdptx->hdmi_cfg.rate == FRL_6G3L_RATE ||
978 hdptx->hdmi_cfg.rate == FRL_3G3L_RATE)
979 regmap_write(hdptx->regmap, LNTOP_REG(0207), 0x07);
980 else
981 regmap_write(hdptx->regmap, LNTOP_REG(0207), 0x0f);
982
983 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, val,
984 (val & HDPTX_O_PHY_RDY) &&
985 (val & HDPTX_O_PLL_LOCK_DONE),
986 100, 5000);
987 if (ret) {
988 dev_err(hdptx->dev, "Failed to get PHY lane lock: %d\n", ret);
989 return ret;
990 }
991
992 dev_dbg(hdptx->dev, "PHY lane locked\n");
993
994 return 0;
995 }
996
rk_hdptx_post_enable_pll(struct rk_hdptx_phy * hdptx)997 static int rk_hdptx_post_enable_pll(struct rk_hdptx_phy *hdptx)
998 {
999 u32 val;
1000 int ret;
1001
1002 val = (FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 1) |
1003 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 1));
1004 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
1005
1006 usleep_range(10, 15);
1007 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
1008
1009 usleep_range(10, 15);
1010 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(HDPTX_I_PLL_EN, 1));
1011
1012 usleep_range(10, 15);
1013 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
1014
1015 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, val,
1016 val & HDPTX_O_PHY_CLK_RDY, 20, 400);
1017 if (ret) {
1018 dev_err(hdptx->dev, "Failed to get PHY clk ready: %d\n", ret);
1019 return ret;
1020 }
1021
1022 dev_dbg(hdptx->dev, "PHY clk ready\n");
1023
1024 return 0;
1025 }
1026
rk_hdptx_phy_disable(struct rk_hdptx_phy * hdptx)1027 static void rk_hdptx_phy_disable(struct rk_hdptx_phy *hdptx)
1028 {
1029 u32 val;
1030
1031 reset_control_assert(hdptx->rsts[RST_APB].rstc);
1032 usleep_range(20, 30);
1033 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
1034
1035 regmap_write(hdptx->regmap, LNTOP_REG(0207), 0x0);
1036 regmap_write(hdptx->regmap, LANE_REG(0300), 0x82);
1037 regmap_write(hdptx->regmap, SB_REG(010f), 0xc1);
1038 regmap_write(hdptx->regmap, SB_REG(0110), 0x1);
1039 regmap_write(hdptx->regmap, LANE_REG(0301), 0x80);
1040 regmap_write(hdptx->regmap, LANE_REG(0401), 0x80);
1041 regmap_write(hdptx->regmap, LANE_REG(0501), 0x80);
1042 regmap_write(hdptx->regmap, LANE_REG(0601), 0x80);
1043
1044 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
1045 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
1046 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
1047
1048 val = (FIELD_PREP_WM16(HDPTX_I_PLL_EN, 0) |
1049 FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 0) |
1050 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 0));
1051 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
1052 }
1053
rk_hdptx_phy_clk_pll_calc(unsigned long long rate,struct ropll_config * cfg)1054 static bool rk_hdptx_phy_clk_pll_calc(unsigned long long rate,
1055 struct ropll_config *cfg)
1056 {
1057 const unsigned int fout = div_u64(rate, 200), fref = 24000;
1058 unsigned long k = 0, lc, k_sub, lc_sub;
1059 unsigned int fvco, sdc;
1060 u32 mdiv, sdiv, n = 8;
1061
1062 if (fout > 0xfffffff)
1063 return false;
1064
1065 for (sdiv = 16; sdiv >= 1; sdiv--) {
1066 if (sdiv % 2 && sdiv != 1)
1067 continue;
1068
1069 fvco = fout * sdiv;
1070
1071 if (fvco < 2000000 || fvco > 4000000)
1072 continue;
1073
1074 mdiv = DIV_ROUND_UP(fvco, fref);
1075 if (mdiv < 20 || mdiv > 255)
1076 continue;
1077
1078 if (fref * mdiv - fvco) {
1079 for (sdc = 264000; sdc <= 750000; sdc += fref)
1080 if (sdc * n > fref * mdiv)
1081 break;
1082
1083 if (sdc > 750000)
1084 continue;
1085
1086 rational_best_approximation(fref * mdiv - fvco,
1087 sdc / 16,
1088 GENMASK(6, 0),
1089 GENMASK(7, 0),
1090 &k, &lc);
1091
1092 rational_best_approximation(sdc * n - fref * mdiv,
1093 sdc,
1094 GENMASK(6, 0),
1095 GENMASK(7, 0),
1096 &k_sub, &lc_sub);
1097 }
1098
1099 break;
1100 }
1101
1102 if (sdiv < 1)
1103 return false;
1104
1105 if (cfg) {
1106 cfg->pms_mdiv = mdiv;
1107 cfg->pms_mdiv_afc = mdiv;
1108 cfg->pms_pdiv = 1;
1109 cfg->pms_refdiv = 1;
1110 cfg->pms_sdiv = sdiv - 1;
1111
1112 cfg->sdm_en = k > 0 ? 1 : 0;
1113 if (cfg->sdm_en) {
1114 cfg->sdm_deno = lc;
1115 cfg->sdm_num_sign = 1;
1116 cfg->sdm_num = k;
1117 cfg->sdc_n = n - 3;
1118 cfg->sdc_num = k_sub;
1119 cfg->sdc_deno = lc_sub;
1120 }
1121 }
1122
1123 return true;
1124 }
1125
rk_hdptx_frl_lcpll_cmn_config(struct rk_hdptx_phy * hdptx)1126 static int rk_hdptx_frl_lcpll_cmn_config(struct rk_hdptx_phy *hdptx)
1127 {
1128 const struct lcpll_config *cfg = NULL;
1129 int i;
1130
1131 dev_dbg(hdptx->dev, "%s rate=%llu\n", __func__, hdptx->hdmi_cfg.rate);
1132
1133 for (i = 0; i < ARRAY_SIZE(rk_hdptx_frl_lcpll_cfg); i++) {
1134 if (hdptx->hdmi_cfg.rate == rk_hdptx_frl_lcpll_cfg[i].rate) {
1135 cfg = &rk_hdptx_frl_lcpll_cfg[i];
1136 break;
1137 }
1138 }
1139
1140 if (!cfg) {
1141 dev_err(hdptx->dev, "%s cannot find pll cfg for rate=%llu\n",
1142 __func__, hdptx->hdmi_cfg.rate);
1143 return -EINVAL;
1144 }
1145
1146 rk_hdptx_pre_power_up(hdptx);
1147
1148 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(LC_REF_CLK_SEL, 0));
1149
1150 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_cmn_init_seq);
1151 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_frl_lcpll_cmn_init_seq);
1152
1153 regmap_update_bits(hdptx->regmap, CMN_REG(0008),
1154 LCPLL_EN_MASK | LCPLL_LCVCO_MODE_EN_MASK,
1155 FIELD_PREP(LCPLL_EN_MASK, 1) |
1156 FIELD_PREP(LCPLL_LCVCO_MODE_EN_MASK, cfg->lcvco_mode_en));
1157
1158 regmap_update_bits(hdptx->regmap, CMN_REG(001e),
1159 LCPLL_PI_EN_MASK | LCPLL_100M_CLK_EN_MASK,
1160 FIELD_PREP(LCPLL_PI_EN_MASK, cfg->pi_en) |
1161 FIELD_PREP(LCPLL_100M_CLK_EN_MASK, cfg->clk_en_100m));
1162
1163 regmap_write(hdptx->regmap, CMN_REG(0020), cfg->pms_mdiv);
1164 regmap_write(hdptx->regmap, CMN_REG(0021), cfg->pms_mdiv_afc);
1165 regmap_write(hdptx->regmap, CMN_REG(0022),
1166 FIELD_PREP(ANA_LCPLL_PMS_PDIV_MASK, cfg->pms_pdiv) |
1167 FIELD_PREP(ANA_LCPLL_PMS_REFDIV_MASK, cfg->pms_refdiv));
1168 regmap_write(hdptx->regmap, CMN_REG(0023),
1169 FIELD_PREP(LCPLL_PMS_SDIV_RBR_MASK, cfg->pms_sdiv) |
1170 FIELD_PREP(LCPLL_PMS_SDIV_HBR_MASK, cfg->pms_sdiv));
1171 regmap_write(hdptx->regmap, CMN_REG(002a), cfg->sdm_deno);
1172 regmap_write(hdptx->regmap, CMN_REG(002b), cfg->sdm_num_sign);
1173 regmap_write(hdptx->regmap, CMN_REG(002c), cfg->sdm_num);
1174
1175 regmap_update_bits(hdptx->regmap, CMN_REG(002d), LCPLL_SDC_N_MASK,
1176 FIELD_PREP(LCPLL_SDC_N_MASK, cfg->sdc_n));
1177
1178 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_POSTDIV_SEL_MASK,
1179 FIELD_PREP(PLL_PCG_POSTDIV_SEL_MASK, cfg->pms_sdiv));
1180 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_SEL_MASK,
1181 FIELD_PREP(PLL_PCG_CLK_SEL_MASK, (hdptx->hdmi_cfg.bpc - 8) >> 1));
1182
1183 return rk_hdptx_post_enable_pll(hdptx);
1184 }
1185
rk_hdptx_frl_lcpll_ropll_cmn_config(struct rk_hdptx_phy * hdptx)1186 static int rk_hdptx_frl_lcpll_ropll_cmn_config(struct rk_hdptx_phy *hdptx)
1187 {
1188 dev_dbg(hdptx->dev, "%s rate=%llu\n", __func__, hdptx->hdmi_cfg.rate);
1189
1190 rk_hdptx_pre_power_up(hdptx);
1191
1192 /* ROPLL input reference clock from LCPLL (cascade mode) */
1193 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(LC_REF_CLK_SEL, 1));
1194
1195 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_cmn_init_seq);
1196 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_frl_lcpll_ropll_cmn_init_seq);
1197
1198 return rk_hdptx_post_enable_pll(hdptx);
1199 }
1200
rk_hdptx_tmds_ropll_cmn_config(struct rk_hdptx_phy * hdptx)1201 static int rk_hdptx_tmds_ropll_cmn_config(struct rk_hdptx_phy *hdptx)
1202 {
1203 const struct ropll_config *cfg = NULL;
1204 struct ropll_config rc = {0};
1205 int i;
1206
1207 if (!hdptx->hdmi_cfg.rate)
1208 return 0;
1209
1210 for (i = 0; i < ARRAY_SIZE(rk_hdptx_tmds_ropll_cfg); i++)
1211 if (hdptx->hdmi_cfg.rate == rk_hdptx_tmds_ropll_cfg[i].rate) {
1212 cfg = &rk_hdptx_tmds_ropll_cfg[i];
1213 break;
1214 }
1215
1216 if (!cfg) {
1217 if (!rk_hdptx_phy_clk_pll_calc(hdptx->hdmi_cfg.rate, &rc)) {
1218 dev_err(hdptx->dev, "%s cannot find pll cfg for rate=%llu\n",
1219 __func__, hdptx->hdmi_cfg.rate);
1220 return -EINVAL;
1221 }
1222
1223 cfg = &rc;
1224 }
1225
1226 dev_dbg(hdptx->dev, "%s rate=%llu mdiv=%u sdiv=%u sdm_en=%u k_sign=%u k=%u lc=%u\n",
1227 __func__, hdptx->hdmi_cfg.rate, cfg->pms_mdiv, cfg->pms_sdiv + 1,
1228 cfg->sdm_en, cfg->sdm_num_sign, cfg->sdm_num, cfg->sdm_deno);
1229
1230 rk_hdptx_pre_power_up(hdptx);
1231
1232 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(LC_REF_CLK_SEL, 0));
1233
1234 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_cmn_init_seq);
1235 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_tmds_cmn_init_seq);
1236
1237 regmap_write(hdptx->regmap, CMN_REG(0051), cfg->pms_mdiv);
1238 regmap_write(hdptx->regmap, CMN_REG(0055), cfg->pms_mdiv_afc);
1239 regmap_write(hdptx->regmap, CMN_REG(0059),
1240 FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, cfg->pms_pdiv) |
1241 FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, cfg->pms_refdiv));
1242 regmap_write(hdptx->regmap, CMN_REG(005a),
1243 FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, cfg->pms_sdiv));
1244
1245 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK,
1246 FIELD_PREP(ROPLL_SDM_EN_MASK, cfg->sdm_en));
1247 if (!cfg->sdm_en)
1248 regmap_update_bits(hdptx->regmap, CMN_REG(005e), 0xf, 0);
1249
1250 regmap_update_bits(hdptx->regmap, CMN_REG(0064), ROPLL_SDM_NUM_SIGN_RBR_MASK,
1251 FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, cfg->sdm_num_sign));
1252
1253 regmap_write(hdptx->regmap, CMN_REG(0060), cfg->sdm_deno);
1254 regmap_write(hdptx->regmap, CMN_REG(0065), cfg->sdm_num);
1255
1256 regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK,
1257 FIELD_PREP(ROPLL_SDC_N_RBR_MASK, cfg->sdc_n));
1258
1259 regmap_write(hdptx->regmap, CMN_REG(006c), cfg->sdc_num);
1260 regmap_write(hdptx->regmap, CMN_REG(0070), cfg->sdc_deno);
1261
1262 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_POSTDIV_SEL_MASK,
1263 FIELD_PREP(PLL_PCG_POSTDIV_SEL_MASK, cfg->pms_sdiv));
1264
1265 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_SEL_MASK,
1266 FIELD_PREP(PLL_PCG_CLK_SEL_MASK, (hdptx->hdmi_cfg.bpc - 8) >> 1));
1267
1268 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_EN_MASK,
1269 FIELD_PREP(PLL_PCG_CLK_EN_MASK, 0x1));
1270
1271 return rk_hdptx_post_enable_pll(hdptx);
1272 }
1273
rk_hdptx_pll_cmn_config(struct rk_hdptx_phy * hdptx)1274 static int rk_hdptx_pll_cmn_config(struct rk_hdptx_phy *hdptx)
1275 {
1276 int ret;
1277
1278 if (hdptx->hdmi_cfg.rate <= HDMI20_MAX_RATE)
1279 ret = rk_hdptx_tmds_ropll_cmn_config(hdptx);
1280 else if (hdptx->hdmi_cfg.rate == FRL_8G4L_RATE)
1281 ret = rk_hdptx_frl_lcpll_ropll_cmn_config(hdptx);
1282 else
1283 ret = rk_hdptx_frl_lcpll_cmn_config(hdptx);
1284
1285 if (!ret)
1286 hdptx->pll_config_dirty = false;
1287
1288 return ret;
1289 }
1290
rk_hdptx_frl_lcpll_mode_config(struct rk_hdptx_phy * hdptx)1291 static int rk_hdptx_frl_lcpll_mode_config(struct rk_hdptx_phy *hdptx)
1292 {
1293 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_sb_init_seq);
1294 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_frl_lntop_init_seq);
1295
1296 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_lane_init_seq);
1297 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_frl_lane_init_seq);
1298
1299 return rk_hdptx_post_enable_lane(hdptx);
1300 }
1301
rk_hdptx_tmds_ropll_mode_config(struct rk_hdptx_phy * hdptx)1302 static int rk_hdptx_tmds_ropll_mode_config(struct rk_hdptx_phy *hdptx)
1303 {
1304 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_sb_init_seq);
1305
1306 regmap_write(hdptx->regmap, LNTOP_REG(0200), 0x06);
1307
1308 if (hdptx->hdmi_cfg.rate > HDMI14_MAX_RATE) {
1309 /* For 1/40 bitrate clk */
1310 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_tmds_lntop_highbr_seq);
1311 } else {
1312 /* For 1/10 bitrate clk */
1313 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_tmds_lntop_lowbr_seq);
1314 }
1315
1316 regmap_write(hdptx->regmap, LNTOP_REG(0206), 0x07);
1317
1318 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_common_lane_init_seq);
1319 rk_hdptx_multi_reg_write(hdptx, rk_hdptx_tmds_lane_init_seq);
1320
1321 return rk_hdptx_post_enable_lane(hdptx);
1322 }
1323
rk_hdptx_dp_reset(struct rk_hdptx_phy * hdptx)1324 static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx)
1325 {
1326 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
1327 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
1328 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
1329
1330 reset_control_assert(hdptx->rsts[RST_APB].rstc);
1331 usleep_range(10, 15);
1332 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
1333
1334 regmap_update_bits(hdptx->regmap, LANE_REG(0301),
1335 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1336 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1337 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1338 regmap_update_bits(hdptx->regmap, LANE_REG(0401),
1339 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1340 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1341 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1342 regmap_update_bits(hdptx->regmap, LANE_REG(0501),
1343 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1344 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1345 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1346 regmap_update_bits(hdptx->regmap, LANE_REG(0601),
1347 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1348 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1349 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1350
1351 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1352 FIELD_PREP_WM16(HDPTX_I_PLL_EN, 0) |
1353 FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 0) |
1354 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 0));
1355 }
1356
rk_hdptx_phy_consumer_get(struct rk_hdptx_phy * hdptx)1357 static int rk_hdptx_phy_consumer_get(struct rk_hdptx_phy *hdptx)
1358 {
1359 enum phy_mode mode = phy_get_mode(hdptx->phy);
1360 u32 status;
1361 int ret;
1362
1363 if (atomic_inc_return(&hdptx->usage_count) > 1)
1364 return 0;
1365
1366 ret = regmap_read(hdptx->grf, GRF_HDPTX_STATUS, &status);
1367 if (ret) {
1368 atomic_dec(&hdptx->usage_count);
1369 return ret;
1370 }
1371
1372 if (mode == PHY_MODE_DP) {
1373 rk_hdptx_dp_reset(hdptx);
1374 } else {
1375 /*
1376 * Ignore PLL config errors at this point as pll_config_dirty
1377 * was not reset and, therefore, operation will be retried.
1378 */
1379 rk_hdptx_pll_cmn_config(hdptx);
1380 }
1381
1382 return 0;
1383 }
1384
rk_hdptx_phy_consumer_put(struct rk_hdptx_phy * hdptx,bool force)1385 static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force)
1386 {
1387 enum phy_mode mode = phy_get_mode(hdptx->phy);
1388 u32 status;
1389 int ret;
1390
1391 ret = atomic_dec_return(&hdptx->usage_count);
1392 if (ret > 0)
1393 return 0;
1394
1395 if (ret < 0) {
1396 dev_warn(hdptx->dev, "Usage count underflow!\n");
1397 ret = -EINVAL;
1398 } else {
1399 ret = regmap_read(hdptx->grf, GRF_HDPTX_STATUS, &status);
1400 if (!ret) {
1401 if (status & HDPTX_O_PLL_LOCK_DONE) {
1402 if (mode == PHY_MODE_DP)
1403 rk_hdptx_dp_reset(hdptx);
1404 else
1405 rk_hdptx_phy_disable(hdptx);
1406 }
1407 return 0;
1408 } else if (force) {
1409 return 0;
1410 }
1411 }
1412
1413 atomic_inc(&hdptx->usage_count);
1414 return ret;
1415 }
1416
rk_hdptx_dp_pll_init(struct rk_hdptx_phy * hdptx)1417 static void rk_hdptx_dp_pll_init(struct rk_hdptx_phy *hdptx)
1418 {
1419 regmap_update_bits(hdptx->regmap, CMN_REG(003c), ANA_LCPLL_RESERVED7_MASK,
1420 FIELD_PREP(ANA_LCPLL_RESERVED7_MASK, 0x1));
1421
1422 regmap_update_bits(hdptx->regmap, CMN_REG(0046),
1423 ROPLL_ANA_CPP_CTRL_COARSE_MASK | ROPLL_ANA_CPP_CTRL_FINE_MASK,
1424 FIELD_PREP(ROPLL_ANA_CPP_CTRL_COARSE_MASK, 0xe) |
1425 FIELD_PREP(ROPLL_ANA_CPP_CTRL_FINE_MASK, 0xe));
1426 regmap_update_bits(hdptx->regmap, CMN_REG(0047),
1427 ROPLL_ANA_LPF_C_SEL_COARSE_MASK |
1428 ROPLL_ANA_LPF_C_SEL_FINE_MASK,
1429 FIELD_PREP(ROPLL_ANA_LPF_C_SEL_COARSE_MASK, 0x4) |
1430 FIELD_PREP(ROPLL_ANA_LPF_C_SEL_FINE_MASK, 0x4));
1431
1432 regmap_write(hdptx->regmap, CMN_REG(0051), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x87));
1433 regmap_write(hdptx->regmap, CMN_REG(0052), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71));
1434 regmap_write(hdptx->regmap, CMN_REG(0053), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71));
1435
1436 regmap_write(hdptx->regmap, CMN_REG(0055),
1437 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x87));
1438 regmap_write(hdptx->regmap, CMN_REG(0056),
1439 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71));
1440 regmap_write(hdptx->regmap, CMN_REG(0057),
1441 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71));
1442
1443 regmap_write(hdptx->regmap, CMN_REG(0059),
1444 FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, 0x1) |
1445 FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, 0x1));
1446 regmap_write(hdptx->regmap, CMN_REG(005a),
1447 FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, 0x3) |
1448 FIELD_PREP(ROPLL_PMS_SDIV_HBR_MASK, 0x1));
1449 regmap_update_bits(hdptx->regmap, CMN_REG(005b), ROPLL_PMS_SDIV_HBR2_MASK,
1450 FIELD_PREP(ROPLL_PMS_SDIV_HBR2_MASK, 0x0));
1451
1452 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK,
1453 FIELD_PREP(ROPLL_SDM_EN_MASK, 0x1));
1454 regmap_update_bits(hdptx->regmap, CMN_REG(005e),
1455 OVRD_ROPLL_SDM_RSTN_MASK | ROPLL_SDM_RSTN_MASK,
1456 FIELD_PREP(OVRD_ROPLL_SDM_RSTN_MASK, 0x1) |
1457 FIELD_PREP(ROPLL_SDM_RSTN_MASK, 0x1));
1458 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_RBR_MASK,
1459 FIELD_PREP(ROPLL_SDC_FRAC_EN_RBR_MASK, 0x1));
1460 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR_MASK,
1461 FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR_MASK, 0x1));
1462 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR2_MASK,
1463 FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR2_MASK, 0x1));
1464
1465 regmap_update_bits(hdptx->regmap, CMN_REG(005f),
1466 OVRD_ROPLL_SDC_RSTN_MASK | ROPLL_SDC_RSTN_MASK,
1467 FIELD_PREP(OVRD_ROPLL_SDC_RSTN_MASK, 0x1) |
1468 FIELD_PREP(ROPLL_SDC_RSTN_MASK, 0x1));
1469 regmap_write(hdptx->regmap, CMN_REG(0060),
1470 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x21));
1471 regmap_write(hdptx->regmap, CMN_REG(0061),
1472 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27));
1473 regmap_write(hdptx->regmap, CMN_REG(0062),
1474 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27));
1475
1476 regmap_update_bits(hdptx->regmap, CMN_REG(0064),
1477 ROPLL_SDM_NUM_SIGN_RBR_MASK |
1478 ROPLL_SDM_NUM_SIGN_HBR_MASK |
1479 ROPLL_SDM_NUM_SIGN_HBR2_MASK,
1480 FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, 0x0) |
1481 FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR_MASK, 0x1) |
1482 FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR2_MASK, 0x1));
1483 regmap_write(hdptx->regmap, CMN_REG(0065),
1484 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0x0));
1485 regmap_write(hdptx->regmap, CMN_REG(0066),
1486 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd));
1487 regmap_write(hdptx->regmap, CMN_REG(0067),
1488 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd));
1489
1490 regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK,
1491 FIELD_PREP(ROPLL_SDC_N_RBR_MASK, 0x2));
1492
1493 regmap_update_bits(hdptx->regmap, CMN_REG(006a),
1494 ROPLL_SDC_N_HBR_MASK | ROPLL_SDC_N_HBR2_MASK,
1495 FIELD_PREP(ROPLL_SDC_N_HBR_MASK, 0x1) |
1496 FIELD_PREP(ROPLL_SDC_N_HBR2_MASK, 0x1));
1497
1498 regmap_write(hdptx->regmap, CMN_REG(006c),
1499 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x3));
1500 regmap_write(hdptx->regmap, CMN_REG(006d),
1501 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7));
1502 regmap_write(hdptx->regmap, CMN_REG(006e),
1503 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7));
1504
1505 regmap_write(hdptx->regmap, CMN_REG(0070),
1506 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x8));
1507 regmap_write(hdptx->regmap, CMN_REG(0071),
1508 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18));
1509 regmap_write(hdptx->regmap, CMN_REG(0072),
1510 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18));
1511
1512 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1513 OVRD_ROPLL_SDC_NDIV_RSTN_MASK | ROPLL_SDC_NDIV_RSTN_MASK,
1514 FIELD_PREP(OVRD_ROPLL_SDC_NDIV_RSTN_MASK, 0x1) |
1515 FIELD_PREP(ROPLL_SDC_NDIV_RSTN_MASK, 0x1));
1516
1517 regmap_update_bits(hdptx->regmap, CMN_REG(0077), ANA_ROPLL_SSC_CLK_DIV_SEL_MASK,
1518 FIELD_PREP(ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, 0x1));
1519
1520 regmap_update_bits(hdptx->regmap, CMN_REG(0081), ANA_PLL_CD_TX_SER_RATE_SEL_MASK,
1521 FIELD_PREP(ANA_PLL_CD_TX_SER_RATE_SEL_MASK, 0x0));
1522 regmap_update_bits(hdptx->regmap, CMN_REG(0081),
1523 ANA_PLL_CD_HSCLK_EAST_EN_MASK | ANA_PLL_CD_HSCLK_WEST_EN_MASK,
1524 FIELD_PREP(ANA_PLL_CD_HSCLK_EAST_EN_MASK, 0x1) |
1525 FIELD_PREP(ANA_PLL_CD_HSCLK_WEST_EN_MASK, 0x0));
1526
1527 regmap_update_bits(hdptx->regmap, CMN_REG(0082), ANA_PLL_CD_VREG_GAIN_CTRL_MASK,
1528 FIELD_PREP(ANA_PLL_CD_VREG_GAIN_CTRL_MASK, 0x4));
1529 regmap_update_bits(hdptx->regmap, CMN_REG(0083), ANA_PLL_CD_VREG_ICTRL_MASK,
1530 FIELD_PREP(ANA_PLL_CD_VREG_ICTRL_MASK, 0x1));
1531 regmap_update_bits(hdptx->regmap, CMN_REG(0084), PLL_LCRO_CLK_SEL_MASK,
1532 FIELD_PREP(PLL_LCRO_CLK_SEL_MASK, 0x1));
1533 regmap_update_bits(hdptx->regmap, CMN_REG(0085), ANA_PLL_SYNC_LOSS_DET_MODE_MASK,
1534 FIELD_PREP(ANA_PLL_SYNC_LOSS_DET_MODE_MASK, 0x3));
1535
1536 regmap_update_bits(hdptx->regmap, CMN_REG(0087), ANA_PLL_TX_HS_CLK_EN_MASK,
1537 FIELD_PREP(ANA_PLL_TX_HS_CLK_EN_MASK, 0x1));
1538
1539 regmap_update_bits(hdptx->regmap, CMN_REG(0097), DIG_CLK_SEL_MASK,
1540 FIELD_PREP(DIG_CLK_SEL_MASK, 0x1));
1541
1542 regmap_update_bits(hdptx->regmap, CMN_REG(0099), CMN_ROPLL_ALONE_MODE_MASK,
1543 FIELD_PREP(CMN_ROPLL_ALONE_MODE_MASK, 0x1));
1544 regmap_update_bits(hdptx->regmap, CMN_REG(009a), HS_SPEED_SEL_MASK,
1545 FIELD_PREP(HS_SPEED_SEL_MASK, 0x1));
1546 regmap_update_bits(hdptx->regmap, CMN_REG(009b), LS_SPEED_SEL_MASK,
1547 FIELD_PREP(LS_SPEED_SEL_MASK, 0x1));
1548 }
1549
rk_hdptx_dp_aux_init(struct rk_hdptx_phy * hdptx)1550 static int rk_hdptx_dp_aux_init(struct rk_hdptx_phy *hdptx)
1551 {
1552 u32 status;
1553 int ret;
1554
1555 regmap_update_bits(hdptx->regmap, SB_REG(0102), ANA_SB_RXTERM_OFFSP_MASK,
1556 FIELD_PREP(ANA_SB_RXTERM_OFFSP_MASK, 0x3));
1557 regmap_update_bits(hdptx->regmap, SB_REG(0103), ANA_SB_RXTERM_OFFSN_MASK,
1558 FIELD_PREP(ANA_SB_RXTERM_OFFSN_MASK, 0x3));
1559 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK,
1560 FIELD_PREP(SB_AUX_EN_MASK, 0x1));
1561 regmap_update_bits(hdptx->regmap, SB_REG(0105), ANA_SB_TX_HLVL_PROG_MASK,
1562 FIELD_PREP(ANA_SB_TX_HLVL_PROG_MASK, 0x7));
1563 regmap_update_bits(hdptx->regmap, SB_REG(0106), ANA_SB_TX_LLVL_PROG_MASK,
1564 FIELD_PREP(ANA_SB_TX_LLVL_PROG_MASK, 0x7));
1565
1566 regmap_update_bits(hdptx->regmap, SB_REG(010d), ANA_SB_DMRX_LPBK_DATA_MASK,
1567 FIELD_PREP(ANA_SB_DMRX_LPBK_DATA_MASK, 0x1));
1568
1569 regmap_update_bits(hdptx->regmap, SB_REG(010f), ANA_SB_VREG_GAIN_CTRL_MASK,
1570 FIELD_PREP(ANA_SB_VREG_GAIN_CTRL_MASK, 0x0));
1571 regmap_update_bits(hdptx->regmap, SB_REG(0110),
1572 ANA_SB_VREG_OUT_SEL_MASK | ANA_SB_VREG_REF_SEL_MASK,
1573 FIELD_PREP(ANA_SB_VREG_OUT_SEL_MASK, 0x1) |
1574 FIELD_PREP(ANA_SB_VREG_REF_SEL_MASK, 0x1));
1575
1576 regmap_update_bits(hdptx->regmap, SB_REG(0113),
1577 SB_RX_RCAL_OPT_CODE_MASK | SB_RX_RTERM_CTRL_MASK,
1578 FIELD_PREP(SB_RX_RCAL_OPT_CODE_MASK, 0x1) |
1579 FIELD_PREP(SB_RX_RTERM_CTRL_MASK, 0x3));
1580 regmap_update_bits(hdptx->regmap, SB_REG(0114),
1581 SB_TG_SB_EN_DELAY_TIME_MASK | SB_TG_RXTERM_EN_DELAY_TIME_MASK,
1582 FIELD_PREP(SB_TG_SB_EN_DELAY_TIME_MASK, 0x2) |
1583 FIELD_PREP(SB_TG_RXTERM_EN_DELAY_TIME_MASK, 0x2));
1584 regmap_update_bits(hdptx->regmap, SB_REG(0115),
1585 SB_READY_DELAY_TIME_MASK | SB_TG_OSC_EN_DELAY_TIME_MASK,
1586 FIELD_PREP(SB_READY_DELAY_TIME_MASK, 0x2) |
1587 FIELD_PREP(SB_TG_OSC_EN_DELAY_TIME_MASK, 0x2));
1588 regmap_update_bits(hdptx->regmap, SB_REG(0116),
1589 AFC_RSTN_DELAY_TIME_MASK,
1590 FIELD_PREP(AFC_RSTN_DELAY_TIME_MASK, 0x2));
1591 regmap_update_bits(hdptx->regmap, SB_REG(0117),
1592 FAST_PULSE_TIME_MASK,
1593 FIELD_PREP(FAST_PULSE_TIME_MASK, 0x4));
1594 regmap_update_bits(hdptx->regmap, SB_REG(0118),
1595 SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK,
1596 FIELD_PREP(SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, 0xa));
1597
1598 regmap_update_bits(hdptx->regmap, SB_REG(011a), SB_TG_CNT_RUN_NO_7_0_MASK,
1599 FIELD_PREP(SB_TG_CNT_RUN_NO_7_0_MASK, 0x3));
1600 regmap_update_bits(hdptx->regmap, SB_REG(011b),
1601 SB_EARC_SIG_DET_BYPASS_MASK | SB_AFC_TOL_MASK,
1602 FIELD_PREP(SB_EARC_SIG_DET_BYPASS_MASK, 0x1) |
1603 FIELD_PREP(SB_AFC_TOL_MASK, 0x3));
1604 regmap_update_bits(hdptx->regmap, SB_REG(011c), SB_AFC_STB_NUM_MASK,
1605 FIELD_PREP(SB_AFC_STB_NUM_MASK, 0x4));
1606 regmap_update_bits(hdptx->regmap, SB_REG(011d), SB_TG_OSC_CNT_MIN_MASK,
1607 FIELD_PREP(SB_TG_OSC_CNT_MIN_MASK, 0x67));
1608 regmap_update_bits(hdptx->regmap, SB_REG(011e), SB_TG_OSC_CNT_MAX_MASK,
1609 FIELD_PREP(SB_TG_OSC_CNT_MAX_MASK, 0x6a));
1610 regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_PWM_AFC_CTRL_MASK,
1611 FIELD_PREP(SB_PWM_AFC_CTRL_MASK, 0x5));
1612 regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_RCAL_RSTN_MASK,
1613 FIELD_PREP(SB_RCAL_RSTN_MASK, 0x1));
1614 regmap_update_bits(hdptx->regmap, SB_REG(0120), SB_AUX_EN_IN_MASK,
1615 FIELD_PREP(SB_AUX_EN_IN_MASK, 0x1));
1616
1617 regmap_update_bits(hdptx->regmap, SB_REG(0102), OVRD_SB_RXTERM_EN_MASK,
1618 FIELD_PREP(OVRD_SB_RXTERM_EN_MASK, 0x1));
1619 regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK,
1620 FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1));
1621 regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_EN_MASK,
1622 FIELD_PREP(OVRD_SB_EN_MASK, 0x1));
1623 regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_AUX_EN_MASK,
1624 FIELD_PREP(OVRD_SB_AUX_EN_MASK, 0x1));
1625
1626 regmap_update_bits(hdptx->regmap, SB_REG(010f), OVRD_SB_VREG_EN_MASK,
1627 FIELD_PREP(OVRD_SB_VREG_EN_MASK, 0x1));
1628
1629 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1630 FIELD_PREP_WM16(HDPTX_I_BGR_EN, 1) |
1631 FIELD_PREP_WM16(HDPTX_I_BIAS_EN, 1));
1632 usleep_range(20, 25);
1633
1634 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
1635 usleep_range(20, 25);
1636 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
1637 usleep_range(20, 25);
1638
1639 regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK,
1640 FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1));
1641 usleep_range(100, 110);
1642 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_EN_MASK,
1643 FIELD_PREP(SB_EN_MASK, 0x1));
1644 usleep_range(100, 110);
1645 regmap_update_bits(hdptx->regmap, SB_REG(0102), SB_RXTERM_EN_MASK,
1646 FIELD_PREP(SB_RXTERM_EN_MASK, 0x1));
1647 usleep_range(20, 25);
1648 regmap_update_bits(hdptx->regmap, SB_REG(010f), SB_VREG_EN_MASK,
1649 FIELD_PREP(SB_VREG_EN_MASK, 0x1));
1650 usleep_range(20, 25);
1651 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK,
1652 FIELD_PREP(SB_AUX_EN_MASK, 0x1));
1653 usleep_range(100, 110);
1654
1655 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
1656 status, FIELD_GET(HDPTX_O_SB_RDY, status),
1657 50, 1000);
1658 if (ret) {
1659 dev_err(hdptx->dev, "Failed to get phy sb ready: %d\n", ret);
1660 return ret;
1661 }
1662
1663 return 0;
1664 }
1665
rk_hdptx_phy_power_on(struct phy * phy)1666 static int rk_hdptx_phy_power_on(struct phy *phy)
1667 {
1668 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1669 enum phy_mode mode = phy_get_mode(phy);
1670 int ret, lane;
1671
1672 ret = rk_hdptx_phy_consumer_get(hdptx);
1673 if (ret)
1674 return ret;
1675
1676 if (mode == PHY_MODE_DP) {
1677 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1678 FIELD_PREP_WM16(HDPTX_MODE_SEL, 1));
1679
1680 for (lane = 0; lane < 4; lane++) {
1681 regmap_update_bits(hdptx->regmap, LANE_REG(031e) + 0x400 * lane,
1682 LN_POLARITY_INV_MASK | LN_LANE_MODE_MASK,
1683 FIELD_PREP(LN_POLARITY_INV_MASK, 0) |
1684 FIELD_PREP(LN_LANE_MODE_MASK, 1));
1685 }
1686
1687 regmap_update_bits(hdptx->regmap, LNTOP_REG(0200), PROTOCOL_SEL_MASK,
1688 FIELD_PREP(PROTOCOL_SEL_MASK, 0x0));
1689 regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_MASK,
1690 FIELD_PREP(DATA_BUS_WIDTH_MASK, 0x1));
1691 regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_SEL_MASK,
1692 FIELD_PREP(DATA_BUS_WIDTH_SEL_MASK, 0x0));
1693
1694 rk_hdptx_dp_pll_init(hdptx);
1695
1696 ret = rk_hdptx_dp_aux_init(hdptx);
1697 } else {
1698 dev_dbg(hdptx->dev, "%s rate=%llu bpc=%u\n", __func__,
1699 hdptx->hdmi_cfg.rate, hdptx->hdmi_cfg.bpc);
1700
1701 if (hdptx->pll_config_dirty)
1702 ret = rk_hdptx_pll_cmn_config(hdptx);
1703
1704 if (!ret) {
1705 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1706 FIELD_PREP_WM16(HDPTX_MODE_SEL, 0));
1707
1708 if (hdptx->hdmi_cfg.mode == PHY_HDMI_MODE_FRL)
1709 ret = rk_hdptx_frl_lcpll_mode_config(hdptx);
1710 else
1711 ret = rk_hdptx_tmds_ropll_mode_config(hdptx);
1712 }
1713 }
1714
1715 if (ret)
1716 rk_hdptx_phy_consumer_put(hdptx, true);
1717
1718 return ret;
1719 }
1720
rk_hdptx_phy_power_off(struct phy * phy)1721 static int rk_hdptx_phy_power_off(struct phy *phy)
1722 {
1723 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1724
1725 return rk_hdptx_phy_consumer_put(hdptx, false);
1726 }
1727
rk_hdptx_phy_verify_hdmi_config(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_hdmi * hdmi_in,struct rk_hdptx_hdmi_cfg * hdmi_out)1728 static int rk_hdptx_phy_verify_hdmi_config(struct rk_hdptx_phy *hdptx,
1729 struct phy_configure_opts_hdmi *hdmi_in,
1730 struct rk_hdptx_hdmi_cfg *hdmi_out)
1731 {
1732 int i;
1733
1734 if (hdptx->hdmi_cfg.mode == PHY_HDMI_MODE_FRL) {
1735 unsigned long long frl_rate = 100000000ULL * hdmi_in->frl.lanes *
1736 hdmi_in->frl.rate_per_lane;
1737
1738 switch (hdmi_in->frl.rate_per_lane) {
1739 case 3:
1740 case 6:
1741 case 8:
1742 case 10:
1743 case 12:
1744 break;
1745 default:
1746 return -EINVAL;
1747 }
1748
1749 if (!hdmi_in->frl.lanes || hdmi_in->frl.lanes > 4)
1750 return -EINVAL;
1751
1752 if (frl_rate != FRL_8G4L_RATE) {
1753 for (i = 0; i < ARRAY_SIZE(rk_hdptx_frl_lcpll_cfg); i++)
1754 if (frl_rate == rk_hdptx_frl_lcpll_cfg[i].rate)
1755 break;
1756 if (i == ARRAY_SIZE(rk_hdptx_frl_lcpll_cfg))
1757 return -EINVAL;
1758 }
1759
1760 if (hdmi_out)
1761 hdmi_out->rate = frl_rate;
1762 } else {
1763 if (!hdmi_in->tmds_char_rate || hdmi_in->tmds_char_rate > HDMI20_MAX_RATE)
1764 return -EINVAL;
1765
1766 for (i = 0; i < ARRAY_SIZE(rk_hdptx_tmds_ropll_cfg); i++)
1767 if (hdmi_in->tmds_char_rate == rk_hdptx_tmds_ropll_cfg[i].rate)
1768 break;
1769
1770 if (i == ARRAY_SIZE(rk_hdptx_tmds_ropll_cfg) &&
1771 !rk_hdptx_phy_clk_pll_calc(hdmi_in->tmds_char_rate, NULL))
1772 return -EINVAL;
1773
1774 if (hdmi_out)
1775 hdmi_out->rate = hdmi_in->tmds_char_rate;
1776 }
1777
1778 switch (hdmi_in->bpc) {
1779 case 0:
1780 case 8:
1781 case 10:
1782 case 12:
1783 case 16:
1784 break;
1785 default:
1786 return -EINVAL;
1787 }
1788
1789 if (hdmi_out)
1790 hdmi_out->bpc = hdmi_in->bpc ?: 8;
1791
1792 return 0;
1793 }
1794
rk_hdptx_phy_verify_dp_config(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1795 static int rk_hdptx_phy_verify_dp_config(struct rk_hdptx_phy *hdptx,
1796 struct phy_configure_opts_dp *dp)
1797 {
1798 int i;
1799
1800 if (dp->set_rate) {
1801 switch (dp->link_rate) {
1802 case 1620:
1803 case 2700:
1804 case 5400:
1805 break;
1806 default:
1807 return -EINVAL;
1808 }
1809 }
1810
1811 if (dp->set_lanes) {
1812 switch (dp->lanes) {
1813 case 1:
1814 case 2:
1815 case 4:
1816 break;
1817 default:
1818 return -EINVAL;
1819 }
1820 }
1821
1822 if (dp->set_voltages) {
1823 for (i = 0; i < hdptx->lanes; i++) {
1824 if (dp->voltage[i] > 3 || dp->pre[i] > 3)
1825 return -EINVAL;
1826
1827 if (dp->voltage[i] + dp->pre[i] > 3)
1828 return -EINVAL;
1829 }
1830 }
1831
1832 return 0;
1833 }
1834
rk_hdptx_phy_set_rate(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1835 static int rk_hdptx_phy_set_rate(struct rk_hdptx_phy *hdptx,
1836 struct phy_configure_opts_dp *dp)
1837 {
1838 u32 bw, status;
1839 int ret;
1840
1841 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(HDPTX_I_PLL_EN, 0));
1842
1843 switch (dp->link_rate) {
1844 case 1620:
1845 bw = DP_BW_RBR;
1846 break;
1847 case 2700:
1848 bw = DP_BW_HBR;
1849 break;
1850 case 5400:
1851 bw = DP_BW_HBR2;
1852 break;
1853 default:
1854 return -EINVAL;
1855 }
1856 hdptx->link_rate = dp->link_rate;
1857
1858 regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK,
1859 FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) |
1860 FIELD_PREP(LCPLL_EN_MASK, 0x0));
1861
1862 regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK,
1863 FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) |
1864 FIELD_PREP(ROPLL_EN_MASK, 0x1));
1865
1866 if (dp->ssc) {
1867 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1868 OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK,
1869 FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) |
1870 FIELD_PREP(ROPLL_SSC_EN_MASK, 0x1));
1871 regmap_write(hdptx->regmap, CMN_REG(0075),
1872 FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0xc));
1873 regmap_update_bits(hdptx->regmap, CMN_REG(0076),
1874 ANA_ROPLL_SSC_FM_FREQ_MASK,
1875 FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0x1f));
1876
1877 regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK,
1878 FIELD_PREP(SSC_EN_MASK, 0x2));
1879 } else {
1880 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1881 OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK,
1882 FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) |
1883 FIELD_PREP(ROPLL_SSC_EN_MASK, 0x0));
1884 regmap_write(hdptx->regmap, CMN_REG(0075),
1885 FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0x20));
1886 regmap_update_bits(hdptx->regmap, CMN_REG(0076),
1887 ANA_ROPLL_SSC_FM_FREQ_MASK,
1888 FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0xc));
1889
1890 regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK,
1891 FIELD_PREP(SSC_EN_MASK, 0x0));
1892 }
1893
1894 regmap_update_bits(hdptx->regmap, CMN_REG(0095), DP_TX_LINK_BW_MASK,
1895 FIELD_PREP(DP_TX_LINK_BW_MASK, bw));
1896
1897 regmap_write(hdptx->grf, GRF_HDPTX_CON0, FIELD_PREP_WM16(HDPTX_I_PLL_EN, 1));
1898
1899 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
1900 status, FIELD_GET(HDPTX_O_PLL_LOCK_DONE, status),
1901 50, 1000);
1902 if (ret) {
1903 dev_err(hdptx->dev, "Failed to get phy pll lock: %d\n", ret);
1904 return ret;
1905 }
1906
1907 return 0;
1908 }
1909
rk_hdptx_phy_set_lanes(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1910 static int rk_hdptx_phy_set_lanes(struct rk_hdptx_phy *hdptx,
1911 struct phy_configure_opts_dp *dp)
1912 {
1913 hdptx->lanes = dp->lanes;
1914
1915 regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN_MASK,
1916 FIELD_PREP(LANE_EN_MASK, GENMASK(hdptx->lanes - 1, 0)));
1917
1918 return 0;
1919 }
1920
rk_hdptx_phy_set_voltage(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp,u8 lane)1921 static void rk_hdptx_phy_set_voltage(struct rk_hdptx_phy *hdptx,
1922 struct phy_configure_opts_dp *dp,
1923 u8 lane)
1924 {
1925 const struct tx_drv_ctrl *ctrl;
1926 u32 offset = lane * 0x400;
1927
1928 switch (hdptx->link_rate) {
1929 case 1620:
1930 ctrl = &tx_drv_ctrl_rbr[dp->voltage[lane]][dp->pre[lane]];
1931 regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset,
1932 LN_TX_JEQ_EVEN_CTRL_RBR_MASK,
1933 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_RBR_MASK,
1934 ctrl->tx_jeq_even_ctrl));
1935 regmap_update_bits(hdptx->regmap, LANE_REG(030c) + offset,
1936 LN_TX_JEQ_ODD_CTRL_RBR_MASK,
1937 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_RBR_MASK,
1938 ctrl->tx_jeq_odd_ctrl));
1939 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1940 LN_TX_SER_40BIT_EN_RBR_MASK,
1941 FIELD_PREP(LN_TX_SER_40BIT_EN_RBR_MASK, 0x1));
1942 break;
1943 case 2700:
1944 ctrl = &tx_drv_ctrl_hbr[dp->voltage[lane]][dp->pre[lane]];
1945 regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset,
1946 LN_TX_JEQ_EVEN_CTRL_HBR_MASK,
1947 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR_MASK,
1948 ctrl->tx_jeq_even_ctrl));
1949 regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset,
1950 LN_TX_JEQ_ODD_CTRL_HBR_MASK,
1951 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR_MASK,
1952 ctrl->tx_jeq_odd_ctrl));
1953 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1954 LN_TX_SER_40BIT_EN_HBR_MASK,
1955 FIELD_PREP(LN_TX_SER_40BIT_EN_HBR_MASK, 0x1));
1956 break;
1957 case 5400:
1958 default:
1959 ctrl = &tx_drv_ctrl_hbr2[dp->voltage[lane]][dp->pre[lane]];
1960 regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset,
1961 LN_TX_JEQ_EVEN_CTRL_HBR2_MASK,
1962 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR2_MASK,
1963 ctrl->tx_jeq_even_ctrl));
1964 regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset,
1965 LN_TX_JEQ_ODD_CTRL_HBR2_MASK,
1966 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR2_MASK,
1967 ctrl->tx_jeq_odd_ctrl));
1968 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1969 LN_TX_SER_40BIT_EN_HBR2_MASK,
1970 FIELD_PREP(LN_TX_SER_40BIT_EN_HBR2_MASK, 0x1));
1971 break;
1972 }
1973
1974 regmap_update_bits(hdptx->regmap, LANE_REG(0303) + offset,
1975 OVRD_LN_TX_DRV_LVL_CTRL_MASK | LN_TX_DRV_LVL_CTRL_MASK,
1976 FIELD_PREP(OVRD_LN_TX_DRV_LVL_CTRL_MASK, 0x1) |
1977 FIELD_PREP(LN_TX_DRV_LVL_CTRL_MASK,
1978 ctrl->tx_drv_lvl_ctrl));
1979 regmap_update_bits(hdptx->regmap, LANE_REG(0304) + offset,
1980 OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK |
1981 LN_TX_DRV_POST_LVL_CTRL_MASK,
1982 FIELD_PREP(OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK, 0x1) |
1983 FIELD_PREP(LN_TX_DRV_POST_LVL_CTRL_MASK,
1984 ctrl->tx_drv_post_lvl_ctrl));
1985 regmap_update_bits(hdptx->regmap, LANE_REG(0305) + offset,
1986 OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK |
1987 LN_TX_DRV_PRE_LVL_CTRL_MASK,
1988 FIELD_PREP(OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK, 0x1) |
1989 FIELD_PREP(LN_TX_DRV_PRE_LVL_CTRL_MASK,
1990 ctrl->tx_drv_pre_lvl_ctrl));
1991 regmap_update_bits(hdptx->regmap, LANE_REG(0306) + offset,
1992 LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK |
1993 LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK |
1994 LN_ANA_TX_DRV_ACCDRV_EN_MASK,
1995 FIELD_PREP(LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK,
1996 ctrl->ana_tx_drv_idrv_idn_ctrl) |
1997 FIELD_PREP(LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK,
1998 ctrl->ana_tx_drv_idrv_iup_ctrl) |
1999 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_EN_MASK,
2000 ctrl->ana_tx_drv_accdrv_en));
2001 regmap_update_bits(hdptx->regmap, LANE_REG(0307) + offset,
2002 LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK |
2003 LN_ANA_TX_DRV_ACCDRV_CTRL_MASK,
2004 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK, 0x1) |
2005 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_CTRL_MASK,
2006 ctrl->ana_tx_drv_accdrv_ctrl));
2007
2008 regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset,
2009 LN_ANA_TX_JEQ_EN_MASK,
2010 FIELD_PREP(LN_ANA_TX_JEQ_EN_MASK, ctrl->ana_tx_jeq_en));
2011
2012 regmap_update_bits(hdptx->regmap, LANE_REG(0310) + offset,
2013 LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK,
2014 FIELD_PREP(LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, 0x3));
2015
2016 regmap_update_bits(hdptx->regmap, LANE_REG(0316) + offset,
2017 LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK,
2018 FIELD_PREP(LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, 0x2));
2019
2020 regmap_update_bits(hdptx->regmap, LANE_REG(031b) + offset,
2021 LN_ANA_TX_RESERVED_MASK,
2022 FIELD_PREP(LN_ANA_TX_RESERVED_MASK, 0x1));
2023 }
2024
rk_hdptx_phy_set_voltages(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)2025 static int rk_hdptx_phy_set_voltages(struct rk_hdptx_phy *hdptx,
2026 struct phy_configure_opts_dp *dp)
2027 {
2028 u8 lane;
2029 u32 status;
2030 int ret;
2031
2032 for (lane = 0; lane < hdptx->lanes; lane++)
2033 rk_hdptx_phy_set_voltage(hdptx, dp, lane);
2034
2035 reset_control_deassert(hdptx->rsts[RST_LANE].rstc);
2036
2037 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
2038 status, FIELD_GET(HDPTX_O_PHY_RDY, status),
2039 50, 5000);
2040 if (ret) {
2041 dev_err(hdptx->dev, "Failed to get phy ready: %d\n", ret);
2042 return ret;
2043 }
2044
2045 return 0;
2046 }
2047
rk_hdptx_phy_set_mode(struct phy * phy,enum phy_mode mode,int submode)2048 static int rk_hdptx_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
2049 {
2050 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
2051
2052 if (mode == PHY_MODE_DP)
2053 return 0;
2054
2055 if (mode != PHY_MODE_HDMI) {
2056 dev_err(&phy->dev, "invalid PHY mode: %d\n", mode);
2057 return -EINVAL;
2058 }
2059
2060 switch (submode) {
2061 case PHY_HDMI_MODE_TMDS:
2062 case PHY_HDMI_MODE_FRL:
2063 hdptx->hdmi_cfg.mode = submode;
2064 break;
2065 default:
2066 dev_err(&phy->dev, "invalid HDMI mode: %d\n", submode);
2067 return -EINVAL;
2068 }
2069
2070 return 0;
2071 }
2072
rk_hdptx_phy_configure(struct phy * phy,union phy_configure_opts * opts)2073 static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opts)
2074 {
2075 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
2076 enum phy_mode mode = phy_get_mode(phy);
2077 int ret;
2078
2079 if (mode != PHY_MODE_DP) {
2080 ret = rk_hdptx_phy_verify_hdmi_config(hdptx, &opts->hdmi, &hdptx->hdmi_cfg);
2081 if (ret) {
2082 dev_err(hdptx->dev, "invalid hdmi params for phy configure\n");
2083 } else {
2084 hdptx->pll_config_dirty = true;
2085
2086 dev_dbg(hdptx->dev, "%s %s rate=%llu bpc=%u\n", __func__,
2087 hdptx->hdmi_cfg.mode ? "FRL" : "TMDS",
2088 hdptx->hdmi_cfg.rate, hdptx->hdmi_cfg.bpc);
2089 }
2090
2091 return ret;
2092 }
2093
2094 ret = rk_hdptx_phy_verify_dp_config(hdptx, &opts->dp);
2095 if (ret) {
2096 dev_err(hdptx->dev, "invalid dp params for phy configure\n");
2097 return ret;
2098 }
2099
2100 if (opts->dp.set_rate) {
2101 ret = rk_hdptx_phy_set_rate(hdptx, &opts->dp);
2102 if (ret) {
2103 dev_err(hdptx->dev, "failed to set rate: %d\n", ret);
2104 return ret;
2105 }
2106 }
2107
2108 if (opts->dp.set_lanes) {
2109 ret = rk_hdptx_phy_set_lanes(hdptx, &opts->dp);
2110 if (ret) {
2111 dev_err(hdptx->dev, "failed to set lanes: %d\n", ret);
2112 return ret;
2113 }
2114 }
2115
2116 if (opts->dp.set_voltages) {
2117 ret = rk_hdptx_phy_set_voltages(hdptx, &opts->dp);
2118 if (ret) {
2119 dev_err(hdptx->dev, "failed to set voltages: %d\n",
2120 ret);
2121 return ret;
2122 }
2123 }
2124
2125 return 0;
2126 }
2127
rk_hdptx_phy_validate(struct phy * phy,enum phy_mode mode,int submode,union phy_configure_opts * opts)2128 static int rk_hdptx_phy_validate(struct phy *phy, enum phy_mode mode,
2129 int submode, union phy_configure_opts *opts)
2130 {
2131 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
2132
2133 if (mode != PHY_MODE_DP)
2134 return rk_hdptx_phy_verify_hdmi_config(hdptx, &opts->hdmi, NULL);
2135
2136 return rk_hdptx_phy_verify_dp_config(hdptx, &opts->dp);
2137 }
2138
2139 static const struct phy_ops rk_hdptx_phy_ops = {
2140 .power_on = rk_hdptx_phy_power_on,
2141 .power_off = rk_hdptx_phy_power_off,
2142 .set_mode = rk_hdptx_phy_set_mode,
2143 .configure = rk_hdptx_phy_configure,
2144 .validate = rk_hdptx_phy_validate,
2145 .owner = THIS_MODULE,
2146 };
2147
to_rk_hdptx_phy(struct clk_hw * hw)2148 static struct rk_hdptx_phy *to_rk_hdptx_phy(struct clk_hw *hw)
2149 {
2150 return container_of(hw, struct rk_hdptx_phy, hw);
2151 }
2152
rk_hdptx_phy_clk_prepare(struct clk_hw * hw)2153 static int rk_hdptx_phy_clk_prepare(struct clk_hw *hw)
2154 {
2155 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
2156
2157 return rk_hdptx_phy_consumer_get(hdptx);
2158 }
2159
rk_hdptx_phy_clk_unprepare(struct clk_hw * hw)2160 static void rk_hdptx_phy_clk_unprepare(struct clk_hw *hw)
2161 {
2162 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
2163
2164 rk_hdptx_phy_consumer_put(hdptx, true);
2165 }
2166
2167 #define PLL_REF_CLK 24000000ULL
2168
rk_hdptx_phy_clk_calc_rate_from_pll_cfg(struct rk_hdptx_phy * hdptx)2169 static u64 rk_hdptx_phy_clk_calc_rate_from_pll_cfg(struct rk_hdptx_phy *hdptx)
2170 {
2171 struct lcpll_config lcpll_hw;
2172 struct ropll_config ropll_hw;
2173 u64 fout, sdm;
2174 u32 mode, bpc, val;
2175 int ret, i;
2176
2177 ret = regmap_read(hdptx->regmap, CMN_REG(0008), &mode);
2178 if (ret)
2179 return 0;
2180
2181 if (mode & LCPLL_LCVCO_MODE_EN_MASK) {
2182 ret = regmap_read(hdptx->regmap, CMN_REG(0020), &val);
2183 if (ret)
2184 return 0;
2185 lcpll_hw.pms_mdiv = val;
2186
2187 ret = regmap_read(hdptx->regmap, CMN_REG(0023), &val);
2188 if (ret)
2189 return 0;
2190 lcpll_hw.pms_sdiv = FIELD_GET(LCPLL_PMS_SDIV_HBR_MASK, val);
2191
2192 ret = regmap_read(hdptx->regmap, CMN_REG(002B), &val);
2193 if (ret)
2194 return 0;
2195 lcpll_hw.sdm_num_sign = val;
2196
2197 ret = regmap_read(hdptx->regmap, CMN_REG(002C), &val);
2198 if (ret)
2199 return 0;
2200 lcpll_hw.sdm_num = val;
2201
2202 ret = regmap_read(hdptx->regmap, CMN_REG(002A), &val);
2203 if (ret)
2204 return 0;
2205 lcpll_hw.sdm_deno = val;
2206
2207 ret = regmap_read(hdptx->regmap, CMN_REG(002D), &val);
2208 if (ret)
2209 return 0;
2210 lcpll_hw.sdc_n = FIELD_GET(LCPLL_SDC_N_MASK, val);
2211
2212 ret = regmap_read(hdptx->grf, GRF_HDPTX_CON0, &val);
2213 if (ret)
2214 return 0;
2215
2216 if (val & LC_REF_CLK_SEL) {
2217 if (lcpll_hw.pms_mdiv == 0x6b &&
2218 lcpll_hw.sdm_num_sign == 0x01 &&
2219 lcpll_hw.sdm_num == 0x02 &&
2220 lcpll_hw.sdm_deno == 0x09 &&
2221 lcpll_hw.sdc_n == FIELD_GET(LCPLL_SDC_N_MASK, 0x02))
2222 return FRL_8G4L_RATE;
2223 } else {
2224 const struct lcpll_config *cfg;
2225
2226 for (i = 0; i < ARRAY_SIZE(rk_hdptx_frl_lcpll_cfg); i++) {
2227 cfg = &rk_hdptx_frl_lcpll_cfg[i];
2228
2229 if (cfg->pms_mdiv == lcpll_hw.pms_mdiv &&
2230 cfg->pms_sdiv == lcpll_hw.pms_sdiv &&
2231 cfg->sdm_num_sign == lcpll_hw.sdm_num_sign &&
2232 cfg->sdm_num == lcpll_hw.sdm_num &&
2233 cfg->sdm_deno == lcpll_hw.sdm_deno &&
2234 cfg->sdc_n == lcpll_hw.sdc_n)
2235 return cfg->rate;
2236 }
2237 }
2238
2239 dev_dbg(hdptx->dev, "%s no FRL match found\n", __func__);
2240 return 0;
2241 }
2242
2243 ret = regmap_read(hdptx->regmap, CMN_REG(0051), &val);
2244 if (ret)
2245 return 0;
2246 ropll_hw.pms_mdiv = val;
2247
2248 ret = regmap_read(hdptx->regmap, CMN_REG(005E), &val);
2249 if (ret)
2250 return 0;
2251 ropll_hw.sdm_en = FIELD_GET(ROPLL_SDM_EN_MASK, val);
2252
2253 ret = regmap_read(hdptx->regmap, CMN_REG(0064), &val);
2254 if (ret)
2255 return 0;
2256 ropll_hw.sdm_num_sign = FIELD_GET(ROPLL_SDM_NUM_SIGN_RBR_MASK, val);
2257
2258 ret = regmap_read(hdptx->regmap, CMN_REG(0065), &val);
2259 if (ret)
2260 return 0;
2261 ropll_hw.sdm_num = val;
2262
2263 ret = regmap_read(hdptx->regmap, CMN_REG(0060), &val);
2264 if (ret)
2265 return 0;
2266 ropll_hw.sdm_deno = val;
2267
2268 ret = regmap_read(hdptx->regmap, CMN_REG(0069), &val);
2269 if (ret)
2270 return 0;
2271 ropll_hw.sdc_n = FIELD_GET(ROPLL_SDC_N_RBR_MASK, val) + 3;
2272
2273 ret = regmap_read(hdptx->regmap, CMN_REG(006c), &val);
2274 if (ret)
2275 return 0;
2276 ropll_hw.sdc_num = val;
2277
2278 ret = regmap_read(hdptx->regmap, CMN_REG(0070), &val);
2279 if (ret)
2280 return 0;
2281 ropll_hw.sdc_deno = val;
2282
2283 ret = regmap_read(hdptx->regmap, CMN_REG(0086), &val);
2284 if (ret)
2285 return 0;
2286 ropll_hw.pms_sdiv = FIELD_GET(PLL_PCG_POSTDIV_SEL_MASK, val) + 1;
2287 bpc = (FIELD_GET(PLL_PCG_CLK_SEL_MASK, val) << 1) + 8;
2288
2289 fout = PLL_REF_CLK * ropll_hw.pms_mdiv;
2290 if (ropll_hw.sdm_en) {
2291 val = 16U * ropll_hw.sdm_deno *
2292 (ropll_hw.sdc_deno * ropll_hw.sdc_n - ropll_hw.sdc_num);
2293 if (!val) {
2294 /*
2295 * The PLL config currently stored in hardware can't be
2296 * translated into a rate. The next .set_rate() should
2297 * program a valid configuration and help with recovery.
2298 */
2299 dev_dbg(hdptx->dev, "Invalid ROPLL hw state: deno == 0\n");
2300 return 0;
2301 }
2302
2303 sdm = div_u64(PLL_REF_CLK * ropll_hw.sdc_deno *
2304 ropll_hw.pms_mdiv * ropll_hw.sdm_num, val);
2305
2306 if (ropll_hw.sdm_num_sign) {
2307 if (sdm > fout) {
2308 /*
2309 * Similarly to the case above, it is expected
2310 * the next .set_rate() will help with recovery.
2311 */
2312 dev_dbg(hdptx->dev, "Invalid ROPLL hw state: sdm > fout\n");
2313 return 0;
2314 }
2315
2316 fout = fout - sdm;
2317 } else {
2318 fout = fout + sdm;
2319 }
2320 }
2321
2322 return DIV_ROUND_CLOSEST_ULL(fout * 2 * 8, ropll_hw.pms_sdiv * 10 * bpc);
2323 }
2324
rk_hdptx_phy_clk_recalc_rate(struct clk_hw * hw,unsigned long parent_rate)2325 static unsigned long rk_hdptx_phy_clk_recalc_rate(struct clk_hw *hw,
2326 unsigned long parent_rate)
2327 {
2328 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
2329 u32 status;
2330 int ret;
2331
2332 ret = regmap_read(hdptx->grf, GRF_HDPTX_CON0, &status);
2333 if (ret || !(status & HDPTX_I_PLL_EN))
2334 return 0;
2335
2336 return rk_hdptx_phy_clk_calc_rate_from_pll_cfg(hdptx);
2337 }
2338
rk_hdptx_phy_clk_determine_rate(struct clk_hw * hw,struct clk_rate_request * req)2339 static int rk_hdptx_phy_clk_determine_rate(struct clk_hw *hw,
2340 struct clk_rate_request *req)
2341 {
2342 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
2343
2344 /*
2345 * For uncommitted PLL configuration, invalidate the current clock rate
2346 * to ensure rk_hdptx_phy_clk_set_rate() will be always invoked.
2347 * Otherwise, restrict the rate according to the PHY link setup.
2348 */
2349 if (hdptx->pll_config_dirty)
2350 req->rate = 0;
2351 else if (hdptx->hdmi_cfg.mode == PHY_HDMI_MODE_FRL)
2352 req->rate = hdptx->hdmi_cfg.rate;
2353 else
2354 req->rate = DIV_ROUND_CLOSEST_ULL(hdptx->hdmi_cfg.rate * 8,
2355 hdptx->hdmi_cfg.bpc);
2356
2357 return 0;
2358 }
2359
rk_hdptx_phy_clk_set_rate(struct clk_hw * hw,unsigned long rate,unsigned long parent_rate)2360 static int rk_hdptx_phy_clk_set_rate(struct clk_hw *hw, unsigned long rate,
2361 unsigned long parent_rate)
2362 {
2363 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
2364
2365 /*
2366 * The link rate would be normally programmed in HW during
2367 * phy_ops.power_on() or clk_ops.prepare() callbacks, but it might
2368 * happen that the former gets fired too late, i.e. after this call,
2369 * while the latter being executed only once, i.e. when clock remains
2370 * in the prepared state during rate changes.
2371 */
2372 return rk_hdptx_pll_cmn_config(hdptx);
2373 }
2374
2375 static const struct clk_ops hdptx_phy_clk_ops = {
2376 .prepare = rk_hdptx_phy_clk_prepare,
2377 .unprepare = rk_hdptx_phy_clk_unprepare,
2378 .recalc_rate = rk_hdptx_phy_clk_recalc_rate,
2379 .determine_rate = rk_hdptx_phy_clk_determine_rate,
2380 .set_rate = rk_hdptx_phy_clk_set_rate,
2381 };
2382
rk_hdptx_phy_clk_register(struct rk_hdptx_phy * hdptx)2383 static int rk_hdptx_phy_clk_register(struct rk_hdptx_phy *hdptx)
2384 {
2385 struct device *dev = hdptx->dev;
2386 const char *name, *pname;
2387 struct clk *refclk;
2388 int ret;
2389
2390 refclk = devm_clk_get(dev, "ref");
2391 if (IS_ERR(refclk))
2392 return dev_err_probe(dev, PTR_ERR(refclk),
2393 "Failed to get ref clock\n");
2394
2395 name = hdptx->phy_id > 0 ? "clk_hdmiphy_pixel1" : "clk_hdmiphy_pixel0";
2396 pname = __clk_get_name(refclk);
2397
2398 hdptx->hw.init = CLK_HW_INIT(name, pname, &hdptx_phy_clk_ops,
2399 CLK_GET_RATE_NOCACHE);
2400
2401 ret = devm_clk_hw_register(dev, &hdptx->hw);
2402 if (ret)
2403 return dev_err_probe(dev, ret, "Failed to register clock\n");
2404
2405 ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, &hdptx->hw);
2406 if (ret)
2407 return dev_err_probe(dev, ret,
2408 "Failed to register clk provider\n");
2409 return 0;
2410 }
2411
rk_hdptx_phy_runtime_suspend(struct device * dev)2412 static int rk_hdptx_phy_runtime_suspend(struct device *dev)
2413 {
2414 struct rk_hdptx_phy *hdptx = dev_get_drvdata(dev);
2415
2416 clk_bulk_disable_unprepare(hdptx->nr_clks, hdptx->clks);
2417
2418 return 0;
2419 }
2420
rk_hdptx_phy_runtime_resume(struct device * dev)2421 static int rk_hdptx_phy_runtime_resume(struct device *dev)
2422 {
2423 struct rk_hdptx_phy *hdptx = dev_get_drvdata(dev);
2424 int ret;
2425
2426 ret = clk_bulk_prepare_enable(hdptx->nr_clks, hdptx->clks);
2427 if (ret)
2428 dev_err(hdptx->dev, "Failed to enable clocks: %d\n", ret);
2429
2430 return ret;
2431 }
2432
rk_hdptx_phy_probe(struct platform_device * pdev)2433 static int rk_hdptx_phy_probe(struct platform_device *pdev)
2434 {
2435 const struct rk_hdptx_phy_cfg *cfgs;
2436 struct phy_provider *phy_provider;
2437 struct device *dev = &pdev->dev;
2438 struct rk_hdptx_phy *hdptx;
2439 struct resource *res;
2440 void __iomem *regs;
2441 int ret, id;
2442
2443 hdptx = devm_kzalloc(dev, sizeof(*hdptx), GFP_KERNEL);
2444 if (!hdptx)
2445 return -ENOMEM;
2446
2447 hdptx->dev = dev;
2448 hdptx->hdmi_cfg.bpc = 8;
2449
2450 regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
2451 if (IS_ERR(regs))
2452 return dev_err_probe(dev, PTR_ERR(regs),
2453 "Failed to ioremap resource\n");
2454
2455 cfgs = device_get_match_data(dev);
2456 if (!cfgs)
2457 return dev_err_probe(dev, -EINVAL, "missing match data\n");
2458
2459 /* find the phy-id from the io address */
2460 hdptx->phy_id = -ENODEV;
2461 for (id = 0; id < cfgs->num_phys; id++) {
2462 if (res->start == cfgs->phy_ids[id]) {
2463 hdptx->phy_id = id;
2464 break;
2465 }
2466 }
2467
2468 if (hdptx->phy_id < 0)
2469 return dev_err_probe(dev, -ENODEV, "no matching device found\n");
2470
2471 ret = devm_clk_bulk_get_all(dev, &hdptx->clks);
2472 if (ret < 0)
2473 return dev_err_probe(dev, ret, "Failed to get clocks\n");
2474 if (ret == 0)
2475 return dev_err_probe(dev, -EINVAL, "Missing clocks\n");
2476
2477 hdptx->nr_clks = ret;
2478
2479 hdptx->regmap = devm_regmap_init_mmio(dev, regs,
2480 &rk_hdptx_phy_regmap_config);
2481 if (IS_ERR(hdptx->regmap))
2482 return dev_err_probe(dev, PTR_ERR(hdptx->regmap),
2483 "Failed to init regmap\n");
2484
2485 hdptx->rsts[RST_APB].id = "apb";
2486 hdptx->rsts[RST_INIT].id = "init";
2487 hdptx->rsts[RST_CMN].id = "cmn";
2488 hdptx->rsts[RST_LANE].id = "lane";
2489
2490 ret = devm_reset_control_bulk_get_exclusive(dev, RST_MAX, hdptx->rsts);
2491 if (ret)
2492 return dev_err_probe(dev, ret, "Failed to get resets\n");
2493
2494 hdptx->grf = syscon_regmap_lookup_by_phandle(dev->of_node,
2495 "rockchip,grf");
2496 if (IS_ERR(hdptx->grf))
2497 return dev_err_probe(dev, PTR_ERR(hdptx->grf),
2498 "Could not get GRF syscon\n");
2499
2500 platform_set_drvdata(pdev, hdptx);
2501
2502 ret = devm_pm_runtime_enable(dev);
2503 if (ret)
2504 return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
2505
2506 hdptx->phy = devm_phy_create(dev, NULL, &rk_hdptx_phy_ops);
2507 if (IS_ERR(hdptx->phy))
2508 return dev_err_probe(dev, PTR_ERR(hdptx->phy),
2509 "Failed to create HDMI PHY\n");
2510
2511 phy_set_drvdata(hdptx->phy, hdptx);
2512 phy_set_bus_width(hdptx->phy, 8);
2513
2514 phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
2515 if (IS_ERR(phy_provider))
2516 return dev_err_probe(dev, PTR_ERR(phy_provider),
2517 "Failed to register PHY provider\n");
2518
2519 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
2520 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
2521 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
2522
2523 return rk_hdptx_phy_clk_register(hdptx);
2524 }
2525
2526 static const struct dev_pm_ops rk_hdptx_phy_pm_ops = {
2527 RUNTIME_PM_OPS(rk_hdptx_phy_runtime_suspend,
2528 rk_hdptx_phy_runtime_resume, NULL)
2529 };
2530
2531 static const struct rk_hdptx_phy_cfg rk3576_hdptx_phy_cfgs = {
2532 .num_phys = 1,
2533 .phy_ids = {
2534 0x2b000000,
2535 },
2536 };
2537
2538 static const struct rk_hdptx_phy_cfg rk3588_hdptx_phy_cfgs = {
2539 .num_phys = 2,
2540 .phy_ids = {
2541 0xfed60000,
2542 0xfed70000,
2543 },
2544 };
2545
2546 static const struct of_device_id rk_hdptx_phy_of_match[] = {
2547 {
2548 .compatible = "rockchip,rk3576-hdptx-phy",
2549 .data = &rk3576_hdptx_phy_cfgs
2550 },
2551 {
2552 .compatible = "rockchip,rk3588-hdptx-phy",
2553 .data = &rk3588_hdptx_phy_cfgs
2554 },
2555 {}
2556 };
2557 MODULE_DEVICE_TABLE(of, rk_hdptx_phy_of_match);
2558
2559 static struct platform_driver rk_hdptx_phy_driver = {
2560 .probe = rk_hdptx_phy_probe,
2561 .driver = {
2562 .name = "rockchip-hdptx-phy",
2563 .pm = &rk_hdptx_phy_pm_ops,
2564 .of_match_table = rk_hdptx_phy_of_match,
2565 },
2566 };
2567 module_platform_driver(rk_hdptx_phy_driver);
2568
2569 MODULE_AUTHOR("Algea Cao <algea.cao@rock-chips.com>");
2570 MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@collabora.com>");
2571 MODULE_AUTHOR("Damon Ding <damon.ding@rock-chips.com>");
2572 MODULE_DESCRIPTION("Samsung HDMI/eDP Transmitter Combo PHY Driver");
2573 MODULE_LICENSE("GPL");
2574