1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2021-2022 Rockchip Electronics Co., Ltd.
4 * Copyright (c) 2024 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/mfd/syscon.h>
14 #include <linux/module.h>
15 #include <linux/of.h>
16 #include <linux/of_platform.h>
17 #include <linux/phy/phy.h>
18 #include <linux/platform_device.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/rational.h>
21 #include <linux/regmap.h>
22 #include <linux/reset.h>
23
24 #define GRF_HDPTX_CON0 0x00
25 #define HDPTX_I_PLL_EN BIT(7)
26 #define HDPTX_I_BIAS_EN BIT(6)
27 #define HDPTX_I_BGR_EN BIT(5)
28 #define HDPTX_MODE_SEL BIT(0)
29 #define GRF_HDPTX_STATUS 0x80
30 #define HDPTX_O_PLL_LOCK_DONE BIT(3)
31 #define HDPTX_O_PHY_CLK_RDY BIT(2)
32 #define HDPTX_O_PHY_RDY BIT(1)
33 #define HDPTX_O_SB_RDY BIT(0)
34
35 #define HDTPX_REG(_n, _min, _max) \
36 ( \
37 BUILD_BUG_ON_ZERO((0x##_n) < (0x##_min)) + \
38 BUILD_BUG_ON_ZERO((0x##_n) > (0x##_max)) + \
39 ((0x##_n) * 4) \
40 )
41
42 #define CMN_REG(n) HDTPX_REG(n, 0000, 00a7)
43 #define SB_REG(n) HDTPX_REG(n, 0100, 0129)
44 #define LNTOP_REG(n) HDTPX_REG(n, 0200, 0229)
45 #define LANE_REG(n) HDTPX_REG(n, 0300, 062d)
46
47 /* CMN_REG(0008) */
48 #define OVRD_LCPLL_EN_MASK BIT(7)
49 #define LCPLL_EN_MASK BIT(6)
50 #define LCPLL_LCVCO_MODE_EN_MASK BIT(4)
51 /* CMN_REG(001e) */
52 #define LCPLL_PI_EN_MASK BIT(5)
53 #define LCPLL_100M_CLK_EN_MASK BIT(0)
54 /* CMN_REG(0025) */
55 #define LCPLL_PMS_IQDIV_RSTN_MASK BIT(4)
56 /* CMN_REG(0028) */
57 #define LCPLL_SDC_FRAC_EN_MASK BIT(2)
58 #define LCPLL_SDC_FRAC_RSTN_MASK BIT(0)
59 /* CMN_REG(002d) */
60 #define LCPLL_SDC_N_MASK GENMASK(3, 1)
61 /* CMN_REG(002e) */
62 #define LCPLL_SDC_NUMBERATOR_MASK GENMASK(5, 0)
63 /* CMN_REG(002f) */
64 #define LCPLL_SDC_DENOMINATOR_MASK GENMASK(7, 2)
65 #define LCPLL_SDC_NDIV_RSTN_MASK BIT(0)
66 /* CMN_REG(003c) */
67 #define ANA_LCPLL_RESERVED7_MASK BIT(7)
68 /* CMN_REG(003d) */
69 #define OVRD_ROPLL_EN_MASK BIT(7)
70 #define ROPLL_EN_MASK BIT(6)
71 #define ROPLL_LCVCO_EN_MASK BIT(4)
72 /* CMN_REG(0046) */
73 #define ROPLL_ANA_CPP_CTRL_COARSE_MASK GENMASK(7, 4)
74 #define ROPLL_ANA_CPP_CTRL_FINE_MASK GENMASK(3, 0)
75 /* CMN_REG(0047) */
76 #define ROPLL_ANA_LPF_C_SEL_COARSE_MASK GENMASK(5, 3)
77 #define ROPLL_ANA_LPF_C_SEL_FINE_MASK GENMASK(2, 0)
78 /* CMN_REG(004e) */
79 #define ROPLL_PI_EN_MASK BIT(5)
80 /* CMN_REG(0051) */
81 #define ROPLL_PMS_MDIV_MASK GENMASK(7, 0)
82 /* CMN_REG(0055) */
83 #define ROPLL_PMS_MDIV_AFC_MASK GENMASK(7, 0)
84 /* CMN_REG(0059) */
85 #define ANA_ROPLL_PMS_PDIV_MASK GENMASK(7, 4)
86 #define ANA_ROPLL_PMS_REFDIV_MASK GENMASK(3, 0)
87 /* CMN_REG(005a) */
88 #define ROPLL_PMS_SDIV_RBR_MASK GENMASK(7, 4)
89 #define ROPLL_PMS_SDIV_HBR_MASK GENMASK(3, 0)
90 /* CMN_REG(005b) */
91 #define ROPLL_PMS_SDIV_HBR2_MASK GENMASK(7, 4)
92 /* CMN_REG(005c) */
93 #define ROPLL_PMS_IQDIV_RSTN_MASK BIT(5)
94 /* CMN_REG(005e) */
95 #define ROPLL_SDM_EN_MASK BIT(6)
96 #define OVRD_ROPLL_SDM_RSTN_MASK BIT(5)
97 #define ROPLL_SDM_RSTN_MASK BIT(4)
98 #define ROPLL_SDC_FRAC_EN_RBR_MASK BIT(3)
99 #define ROPLL_SDC_FRAC_EN_HBR_MASK BIT(2)
100 #define ROPLL_SDC_FRAC_EN_HBR2_MASK BIT(1)
101 #define ROPLL_SDM_FRAC_EN_HBR3_MASK BIT(0)
102 /* CMN_REG(005f) */
103 #define OVRD_ROPLL_SDC_RSTN_MASK BIT(5)
104 #define ROPLL_SDC_RSTN_MASK BIT(4)
105 /* CMN_REG(0060) */
106 #define ROPLL_SDM_DENOMINATOR_MASK GENMASK(7, 0)
107 /* CMN_REG(0064) */
108 #define ROPLL_SDM_NUM_SIGN_RBR_MASK BIT(3)
109 #define ROPLL_SDM_NUM_SIGN_HBR_MASK BIT(2)
110 #define ROPLL_SDM_NUM_SIGN_HBR2_MASK BIT(1)
111 /* CMN_REG(0065) */
112 #define ROPLL_SDM_NUM_MASK GENMASK(7, 0)
113 /* CMN_REG(0069) */
114 #define ROPLL_SDC_N_RBR_MASK GENMASK(2, 0)
115 /* CMN_REG(006a) */
116 #define ROPLL_SDC_N_HBR_MASK GENMASK(5, 3)
117 #define ROPLL_SDC_N_HBR2_MASK GENMASK(2, 0)
118 /* CMN_REG(006b) */
119 #define ROPLL_SDC_N_HBR3_MASK GENMASK(3, 1)
120 /* CMN_REG(006c) */
121 #define ROPLL_SDC_NUM_MASK GENMASK(5, 0)
122 /* cmn_reg0070 */
123 #define ROPLL_SDC_DENO_MASK GENMASK(5, 0)
124 /* CMN_REG(0074) */
125 #define OVRD_ROPLL_SDC_NDIV_RSTN_MASK BIT(3)
126 #define ROPLL_SDC_NDIV_RSTN_MASK BIT(2)
127 #define OVRD_ROPLL_SSC_EN_MASK BIT(1)
128 #define ROPLL_SSC_EN_MASK BIT(0)
129 /* CMN_REG(0075) */
130 #define ANA_ROPLL_SSC_FM_DEVIATION_MASK GENMASK(5, 0)
131 /* CMN_REG(0076) */
132 #define ANA_ROPLL_SSC_FM_FREQ_MASK GENMASK(6, 2)
133 /* CMN_REG(0077) */
134 #define ANA_ROPLL_SSC_CLK_DIV_SEL_MASK GENMASK(6, 3)
135 /* CMN_REG(0081) */
136 #define OVRD_PLL_CD_CLK_EN_MASK BIT(8)
137 #define ANA_PLL_CD_TX_SER_RATE_SEL_MASK BIT(3)
138 #define ANA_PLL_CD_HSCLK_WEST_EN_MASK BIT(1)
139 #define ANA_PLL_CD_HSCLK_EAST_EN_MASK BIT(0)
140 /* CMN_REG(0082) */
141 #define ANA_PLL_CD_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
142 /* CMN_REG(0083) */
143 #define ANA_PLL_CD_VREG_ICTRL_MASK GENMASK(6, 5)
144 /* CMN_REG(0084) */
145 #define PLL_LCRO_CLK_SEL_MASK BIT(5)
146 /* CMN_REG(0085) */
147 #define ANA_PLL_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0)
148 /* CMN_REG(0086) */
149 #define PLL_PCG_POSTDIV_SEL_MASK GENMASK(7, 4)
150 #define PLL_PCG_CLK_SEL_MASK GENMASK(3, 1)
151 #define PLL_PCG_CLK_EN_MASK BIT(0)
152 /* CMN_REG(0087) */
153 #define ANA_PLL_FRL_MODE_EN_MASK BIT(3)
154 #define ANA_PLL_TX_HS_CLK_EN_MASK BIT(2)
155 /* CMN_REG(0089) */
156 #define LCPLL_ALONE_MODE_MASK BIT(1)
157 /* CMN_REG(0095) */
158 #define DP_TX_LINK_BW_MASK GENMASK(1, 0)
159 /* CMN_REG(0097) */
160 #define DIG_CLK_SEL_MASK BIT(1)
161 #define LCPLL_REF BIT(1)
162 #define ROPLL_REF 0
163 /* CMN_REG(0099) */
164 #define SSC_EN_MASK GENMASK(7, 6)
165 #define CMN_ROPLL_ALONE_MODE_MASK BIT(2)
166 #define ROPLL_ALONE_MODE BIT(2)
167 /* CMN_REG(009a) */
168 #define HS_SPEED_SEL_MASK BIT(0)
169 #define DIV_10_CLOCK BIT(0)
170 /* CMN_REG(009b) */
171 #define LS_SPEED_SEL_MASK BIT(4)
172 #define LINK_SYMBOL_CLOCK BIT(4)
173 #define LINK_SYMBOL_CLOCK1_2 0
174
175 /* SB_REG(0102) */
176 #define OVRD_SB_RXTERM_EN_MASK BIT(5)
177 #define SB_RXTERM_EN_MASK BIT(4)
178 #define ANA_SB_RXTERM_OFFSP_MASK GENMASK(3, 0)
179 /* SB_REG(0103) */
180 #define ANA_SB_RXTERM_OFFSN_MASK GENMASK(6, 3)
181 #define OVRD_SB_RX_RESCAL_DONE_MASK BIT(1)
182 #define SB_RX_RESCAL_DONE_MASK BIT(0)
183 /* SB_REG(0104) */
184 #define OVRD_SB_EN_MASK BIT(5)
185 #define SB_EN_MASK BIT(4)
186 #define OVRD_SB_AUX_EN_MASK BIT(1)
187 #define SB_AUX_EN_MASK BIT(0)
188 /* SB_REG(0105) */
189 #define OVRD_SB_EARC_CMDC_EN_MASK BIT(6)
190 #define SB_EARC_CMDC_EN_MASK BIT(5)
191 #define ANA_SB_TX_HLVL_PROG_MASK GENMASK(2, 0)
192 /* SB_REG(0106) */
193 #define ANA_SB_TX_LLVL_PROG_MASK GENMASK(6, 4)
194 /* SB_REG(0109) */
195 #define ANA_SB_DMRX_AFC_DIV_RATIO_MASK GENMASK(2, 0)
196 /* SB_REG(010d) */
197 #define ANA_SB_DMRX_LPBK_DATA_MASK BIT(4)
198 /* SB_REG(010f) */
199 #define OVRD_SB_VREG_EN_MASK BIT(7)
200 #define SB_VREG_EN_MASK BIT(6)
201 #define OVRD_SB_VREG_LPF_BYPASS_MASK BIT(5)
202 #define SB_VREG_LPF_BYPASS_MASK BIT(4)
203 #define ANA_SB_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
204 /* SB_REG(0110) */
205 #define ANA_SB_VREG_OUT_SEL_MASK BIT(1)
206 #define ANA_SB_VREG_REF_SEL_MASK BIT(0)
207 /* SB_REG(0113) */
208 #define SB_RX_RCAL_OPT_CODE_MASK GENMASK(5, 4)
209 #define SB_RX_RTERM_CTRL_MASK GENMASK(3, 0)
210 /* SB_REG(0114) */
211 #define SB_TG_SB_EN_DELAY_TIME_MASK GENMASK(5, 3)
212 #define SB_TG_RXTERM_EN_DELAY_TIME_MASK GENMASK(2, 0)
213 /* SB_REG(0115) */
214 #define SB_READY_DELAY_TIME_MASK GENMASK(5, 3)
215 #define SB_TG_OSC_EN_DELAY_TIME_MASK GENMASK(2, 0)
216 /* SB_REG(0116) */
217 #define AFC_RSTN_DELAY_TIME_MASK GENMASK(6, 4)
218 /* SB_REG(0117) */
219 #define FAST_PULSE_TIME_MASK GENMASK(3, 0)
220 /* SB_REG(0118) */
221 #define SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK GENMASK(7, 0)
222 /* SB_REG(011a) */
223 #define SB_TG_CNT_RUN_NO_7_0_MASK GENMASK(7, 0)
224 /* SB_REG(011b) */
225 #define SB_EARC_SIG_DET_BYPASS_MASK BIT(4)
226 #define SB_AFC_TOL_MASK GENMASK(3, 0)
227 /* SB_REG(011c) */
228 #define SB_AFC_STB_NUM_MASK GENMASK(3, 0)
229 /* SB_REG(011d) */
230 #define SB_TG_OSC_CNT_MIN_MASK GENMASK(7, 0)
231 /* SB_REG(011e) */
232 #define SB_TG_OSC_CNT_MAX_MASK GENMASK(7, 0)
233 /* SB_REG(011f) */
234 #define SB_PWM_AFC_CTRL_MASK GENMASK(7, 2)
235 #define SB_RCAL_RSTN_MASK BIT(1)
236 /* SB_REG(0120) */
237 #define SB_AUX_EN_IN_MASK BIT(7)
238 #define SB_EARC_EN_MASK BIT(1)
239 #define SB_EARC_AFC_EN_MASK BIT(2)
240 /* SB_REG(0123) */
241 #define OVRD_SB_READY_MASK BIT(5)
242 #define SB_READY_MASK BIT(4)
243
244 /* LNTOP_REG(0200) */
245 #define PROTOCOL_SEL_MASK BIT(2)
246 #define HDMI_MODE BIT(2)
247 #define HDMI_TMDS_FRL_SEL BIT(1)
248 /* LNTOP_REG(0206) */
249 #define DATA_BUS_WIDTH_MASK GENMASK(2, 1)
250 #define DATA_BUS_WIDTH_SEL_MASK BIT(0)
251 #define DATA_BUS_36_40 BIT(0)
252 /* LNTOP_REG(0207) */
253 #define LANE_EN_MASK 0xf
254 #define ALL_LANE_EN 0xf
255
256 /* LANE_REG(0301) */
257 #define OVRD_LN_TX_DRV_EI_EN_MASK BIT(7)
258 #define LN_TX_DRV_EI_EN_MASK BIT(6)
259 /* LANE_REG(0303) */
260 #define OVRD_LN_TX_DRV_LVL_CTRL_MASK BIT(5)
261 #define LN_TX_DRV_LVL_CTRL_MASK GENMASK(4, 0)
262 /* LANE_REG(0304) */
263 #define OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK BIT(4)
264 #define LN_TX_DRV_POST_LVL_CTRL_MASK GENMASK(3, 0)
265 /* LANE_REG(0305) */
266 #define OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK BIT(6)
267 #define LN_TX_DRV_PRE_LVL_CTRL_MASK GENMASK(5, 2)
268 /* LANE_REG(0306) */
269 #define LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK GENMASK(7, 5)
270 #define LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK GENMASK(4, 2)
271 #define LN_ANA_TX_DRV_ACCDRV_EN_MASK BIT(0)
272 /* LANE_REG(0307) */
273 #define LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK BIT(6)
274 #define LN_ANA_TX_DRV_ACCDRV_CTRL_MASK GENMASK(5, 3)
275 /* LANE_REG(030a) */
276 #define LN_ANA_TX_JEQ_EN_MASK BIT(4)
277 #define LN_TX_JEQ_EVEN_CTRL_RBR_MASK GENMASK(3, 0)
278 /* LANE_REG(030b) */
279 #define LN_TX_JEQ_EVEN_CTRL_HBR_MASK GENMASK(7, 4)
280 #define LN_TX_JEQ_EVEN_CTRL_HBR2_MASK GENMASK(3, 0)
281 /* LANE_REG(030c) */
282 #define LN_TX_JEQ_ODD_CTRL_RBR_MASK GENMASK(3, 0)
283 /* LANE_REG(030d) */
284 #define LN_TX_JEQ_ODD_CTRL_HBR_MASK GENMASK(7, 4)
285 #define LN_TX_JEQ_ODD_CTRL_HBR2_MASK GENMASK(3, 0)
286 /* LANE_REG(0310) */
287 #define LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK GENMASK(1, 0)
288 /* LANE_REG(0311) */
289 #define LN_TX_SER_40BIT_EN_RBR_MASK BIT(3)
290 #define LN_TX_SER_40BIT_EN_HBR_MASK BIT(2)
291 #define LN_TX_SER_40BIT_EN_HBR2_MASK BIT(1)
292 /* LANE_REG(0312) */
293 #define LN0_TX_SER_RATE_SEL_RBR_MASK BIT(5)
294 #define LN0_TX_SER_RATE_SEL_HBR_MASK BIT(4)
295 #define LN0_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
296 #define LN0_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
297 /* LANE_REG(0316) */
298 #define LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK GENMASK(3, 0)
299 /* LANE_REG(031B) */
300 #define LN_ANA_TX_RESERVED_MASK GENMASK(7, 0)
301 /* LANE_REG(031e) */
302 #define LN_POLARITY_INV_MASK BIT(2)
303 #define LN_LANE_MODE_MASK BIT(1)
304
305 /* LANE_REG(0412) */
306 #define LN1_TX_SER_RATE_SEL_RBR_MASK BIT(5)
307 #define LN1_TX_SER_RATE_SEL_HBR_MASK BIT(4)
308 #define LN1_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
309 #define LN1_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
310
311 /* LANE_REG(0512) */
312 #define LN2_TX_SER_RATE_SEL_RBR_MASK BIT(5)
313 #define LN2_TX_SER_RATE_SEL_HBR_MASK BIT(4)
314 #define LN2_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
315 #define LN2_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
316
317 /* LANE_REG(0612) */
318 #define LN3_TX_SER_RATE_SEL_RBR_MASK BIT(5)
319 #define LN3_TX_SER_RATE_SEL_HBR_MASK BIT(4)
320 #define LN3_TX_SER_RATE_SEL_HBR2_MASK BIT(3)
321 #define LN3_TX_SER_RATE_SEL_HBR3_MASK BIT(2)
322
323 #define HDMI14_MAX_RATE 340000000
324 #define HDMI20_MAX_RATE 600000000
325
326 enum dp_link_rate {
327 DP_BW_RBR,
328 DP_BW_HBR,
329 DP_BW_HBR2,
330 };
331
332 struct ropll_config {
333 unsigned long long rate;
334 u8 pms_mdiv;
335 u8 pms_mdiv_afc;
336 u8 pms_pdiv;
337 u8 pms_refdiv;
338 u8 pms_sdiv;
339 u8 pms_iqdiv_rstn;
340 u8 ref_clk_sel;
341 u8 sdm_en;
342 u8 sdm_rstn;
343 u8 sdc_frac_en;
344 u8 sdc_rstn;
345 u8 sdm_clk_div;
346 u8 sdm_deno;
347 u8 sdm_num_sign;
348 u8 sdm_num;
349 u8 sdc_n;
350 u8 sdc_num;
351 u8 sdc_deno;
352 u8 sdc_ndiv_rstn;
353 u8 ssc_en;
354 u8 ssc_fm_dev;
355 u8 ssc_fm_freq;
356 u8 ssc_clk_div_sel;
357 u8 ana_cpp_ctrl;
358 u8 ana_lpf_c_sel;
359 u8 cd_tx_ser_rate_sel;
360 };
361
362 struct tx_drv_ctrl {
363 u8 tx_drv_lvl_ctrl;
364 u8 tx_drv_post_lvl_ctrl;
365 u8 ana_tx_drv_idrv_idn_ctrl;
366 u8 ana_tx_drv_idrv_iup_ctrl;
367 u8 ana_tx_drv_accdrv_en;
368 u8 ana_tx_drv_accdrv_ctrl;
369 u8 tx_drv_pre_lvl_ctrl;
370 u8 ana_tx_jeq_en;
371 u8 tx_jeq_even_ctrl;
372 u8 tx_jeq_odd_ctrl;
373 };
374
375 enum rk_hdptx_reset {
376 RST_APB = 0,
377 RST_INIT,
378 RST_CMN,
379 RST_LANE,
380 RST_MAX
381 };
382
383 #define MAX_HDPTX_PHY_NUM 2
384
385 struct rk_hdptx_phy_cfg {
386 unsigned int num_phys;
387 unsigned int phy_ids[MAX_HDPTX_PHY_NUM];
388 };
389
390 struct rk_hdptx_phy {
391 struct device *dev;
392 struct regmap *regmap;
393 struct regmap *grf;
394
395 int phy_id;
396 struct phy *phy;
397 struct phy_configure_opts_hdmi hdmi_cfg;
398 struct clk_bulk_data *clks;
399 int nr_clks;
400 struct reset_control_bulk_data rsts[RST_MAX];
401
402 /* clk provider */
403 struct clk_hw hw;
404 unsigned long hw_rate;
405 bool restrict_rate_change;
406
407 atomic_t usage_count;
408
409 /* used for dp mode */
410 unsigned int link_rate;
411 unsigned int lanes;
412 };
413
414 static const struct ropll_config ropll_tmds_cfg[] = {
415 { 594000000ULL, 124, 124, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
416 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
417 { 371250000ULL, 155, 155, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
418 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
419 { 297000000ULL, 124, 124, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
420 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
421 { 162000000ULL, 135, 135, 1, 1, 3, 1, 1, 0, 1, 1, 1, 1, 4, 0, 3, 5, 5, 0x10,
422 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
423 { 185625000ULL, 155, 155, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
424 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
425 { 154000000ULL, 193, 193, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 193, 1, 32, 2, 1,
426 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
427 { 148500000ULL, 0x7b, 0x7b, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 4, 0, 3, 5, 5,
428 0x10, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
429 { 146250000ULL, 122, 122, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 244, 1, 16, 2, 1, 1,
430 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
431 { 119000000ULL, 149, 149, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 149, 1, 16, 2, 1, 1,
432 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
433 { 106500000ULL, 89, 89, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 89, 1, 16, 1, 0, 1,
434 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
435 { 108000000ULL, 135, 135, 1, 1, 5, 1, 1, 0, 1, 0, 1, 1, 0x9, 0, 0x05, 0,
436 0x14, 0x18, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
437 { 85500000ULL, 214, 214, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 214, 1, 16, 2, 1,
438 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
439 { 83500000ULL, 105, 105, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 42, 1, 16, 1, 0,
440 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
441 { 92812500ULL, 155, 155, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
442 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
443 { 74250000ULL, 124, 124, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 62, 1, 16, 5, 0,
444 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
445 { 65000000ULL, 162, 162, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 54, 0, 16, 4, 1,
446 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
447 { 50250000ULL, 84, 84, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 11, 1, 4, 5,
448 4, 11, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
449 { 33750000ULL, 0x70, 0x70, 1, 1, 0xf, 1, 1, 1, 1, 1, 1, 1, 0x2, 0, 0x01, 5,
450 1, 1, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
451 { 40000000ULL, 100, 100, 1, 1, 11, 1, 1, 0, 1, 0, 1, 1, 0x9, 0, 0x05, 0,
452 0x14, 0x18, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
453 { 27000000ULL, 0x5a, 0x5a, 1, 1, 0xf, 1, 1, 0, 1, 0, 1, 1, 0x9, 0, 0x05, 0,
454 0x14, 0x18, 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
455 { 25175000ULL, 84, 84, 1, 1, 0xf, 1, 1, 1, 1, 1, 1, 1, 168, 1, 16, 4, 1, 1,
456 1, 0, 0x20, 0x0c, 1, 0x0e, 0, 0, },
457 };
458
459 static const struct reg_sequence rk_hdtpx_common_cmn_init_seq[] = {
460 REG_SEQ0(CMN_REG(0009), 0x0c),
461 REG_SEQ0(CMN_REG(000a), 0x83),
462 REG_SEQ0(CMN_REG(000b), 0x06),
463 REG_SEQ0(CMN_REG(000c), 0x20),
464 REG_SEQ0(CMN_REG(000d), 0xb8),
465 REG_SEQ0(CMN_REG(000e), 0x0f),
466 REG_SEQ0(CMN_REG(000f), 0x0f),
467 REG_SEQ0(CMN_REG(0010), 0x04),
468 REG_SEQ0(CMN_REG(0011), 0x00),
469 REG_SEQ0(CMN_REG(0012), 0x26),
470 REG_SEQ0(CMN_REG(0013), 0x22),
471 REG_SEQ0(CMN_REG(0014), 0x24),
472 REG_SEQ0(CMN_REG(0015), 0x77),
473 REG_SEQ0(CMN_REG(0016), 0x08),
474 REG_SEQ0(CMN_REG(0017), 0x00),
475 REG_SEQ0(CMN_REG(0018), 0x04),
476 REG_SEQ0(CMN_REG(0019), 0x48),
477 REG_SEQ0(CMN_REG(001a), 0x01),
478 REG_SEQ0(CMN_REG(001b), 0x00),
479 REG_SEQ0(CMN_REG(001c), 0x01),
480 REG_SEQ0(CMN_REG(001d), 0x64),
481 REG_SEQ0(CMN_REG(001f), 0x00),
482 REG_SEQ0(CMN_REG(0026), 0x53),
483 REG_SEQ0(CMN_REG(0029), 0x01),
484 REG_SEQ0(CMN_REG(0030), 0x00),
485 REG_SEQ0(CMN_REG(0031), 0x20),
486 REG_SEQ0(CMN_REG(0032), 0x30),
487 REG_SEQ0(CMN_REG(0033), 0x0b),
488 REG_SEQ0(CMN_REG(0034), 0x23),
489 REG_SEQ0(CMN_REG(0035), 0x00),
490 REG_SEQ0(CMN_REG(0038), 0x00),
491 REG_SEQ0(CMN_REG(0039), 0x00),
492 REG_SEQ0(CMN_REG(003a), 0x00),
493 REG_SEQ0(CMN_REG(003b), 0x00),
494 REG_SEQ0(CMN_REG(003c), 0x80),
495 REG_SEQ0(CMN_REG(003e), 0x0c),
496 REG_SEQ0(CMN_REG(003f), 0x83),
497 REG_SEQ0(CMN_REG(0040), 0x06),
498 REG_SEQ0(CMN_REG(0041), 0x20),
499 REG_SEQ0(CMN_REG(0042), 0xb8),
500 REG_SEQ0(CMN_REG(0043), 0x00),
501 REG_SEQ0(CMN_REG(0044), 0x46),
502 REG_SEQ0(CMN_REG(0045), 0x24),
503 REG_SEQ0(CMN_REG(0046), 0xff),
504 REG_SEQ0(CMN_REG(0047), 0x00),
505 REG_SEQ0(CMN_REG(0048), 0x44),
506 REG_SEQ0(CMN_REG(0049), 0xfa),
507 REG_SEQ0(CMN_REG(004a), 0x08),
508 REG_SEQ0(CMN_REG(004b), 0x00),
509 REG_SEQ0(CMN_REG(004c), 0x01),
510 REG_SEQ0(CMN_REG(004d), 0x64),
511 REG_SEQ0(CMN_REG(004e), 0x14),
512 REG_SEQ0(CMN_REG(004f), 0x00),
513 REG_SEQ0(CMN_REG(0050), 0x00),
514 REG_SEQ0(CMN_REG(005d), 0x0c),
515 REG_SEQ0(CMN_REG(005f), 0x01),
516 REG_SEQ0(CMN_REG(006b), 0x04),
517 REG_SEQ0(CMN_REG(0073), 0x30),
518 REG_SEQ0(CMN_REG(0074), 0x00),
519 REG_SEQ0(CMN_REG(0075), 0x20),
520 REG_SEQ0(CMN_REG(0076), 0x30),
521 REG_SEQ0(CMN_REG(0077), 0x08),
522 REG_SEQ0(CMN_REG(0078), 0x0c),
523 REG_SEQ0(CMN_REG(0079), 0x00),
524 REG_SEQ0(CMN_REG(007b), 0x00),
525 REG_SEQ0(CMN_REG(007c), 0x00),
526 REG_SEQ0(CMN_REG(007d), 0x00),
527 REG_SEQ0(CMN_REG(007e), 0x00),
528 REG_SEQ0(CMN_REG(007f), 0x00),
529 REG_SEQ0(CMN_REG(0080), 0x00),
530 REG_SEQ0(CMN_REG(0081), 0x09),
531 REG_SEQ0(CMN_REG(0082), 0x04),
532 REG_SEQ0(CMN_REG(0083), 0x24),
533 REG_SEQ0(CMN_REG(0084), 0x20),
534 REG_SEQ0(CMN_REG(0085), 0x03),
535 REG_SEQ0(CMN_REG(0086), 0x01),
536 REG_SEQ0(CMN_REG(0087), 0x0c),
537 REG_SEQ0(CMN_REG(008a), 0x55),
538 REG_SEQ0(CMN_REG(008b), 0x25),
539 REG_SEQ0(CMN_REG(008c), 0x2c),
540 REG_SEQ0(CMN_REG(008d), 0x22),
541 REG_SEQ0(CMN_REG(008e), 0x14),
542 REG_SEQ0(CMN_REG(008f), 0x20),
543 REG_SEQ0(CMN_REG(0090), 0x00),
544 REG_SEQ0(CMN_REG(0091), 0x00),
545 REG_SEQ0(CMN_REG(0092), 0x00),
546 REG_SEQ0(CMN_REG(0093), 0x00),
547 REG_SEQ0(CMN_REG(009a), 0x11),
548 REG_SEQ0(CMN_REG(009b), 0x10),
549 };
550
551 static const struct reg_sequence rk_hdtpx_tmds_cmn_init_seq[] = {
552 REG_SEQ0(CMN_REG(0008), 0x00),
553 REG_SEQ0(CMN_REG(0011), 0x01),
554 REG_SEQ0(CMN_REG(0017), 0x20),
555 REG_SEQ0(CMN_REG(001e), 0x14),
556 REG_SEQ0(CMN_REG(0020), 0x00),
557 REG_SEQ0(CMN_REG(0021), 0x00),
558 REG_SEQ0(CMN_REG(0022), 0x11),
559 REG_SEQ0(CMN_REG(0023), 0x00),
560 REG_SEQ0(CMN_REG(0024), 0x00),
561 REG_SEQ0(CMN_REG(0025), 0x53),
562 REG_SEQ0(CMN_REG(0026), 0x00),
563 REG_SEQ0(CMN_REG(0027), 0x00),
564 REG_SEQ0(CMN_REG(0028), 0x01),
565 REG_SEQ0(CMN_REG(002a), 0x00),
566 REG_SEQ0(CMN_REG(002b), 0x00),
567 REG_SEQ0(CMN_REG(002c), 0x00),
568 REG_SEQ0(CMN_REG(002d), 0x00),
569 REG_SEQ0(CMN_REG(002e), 0x04),
570 REG_SEQ0(CMN_REG(002f), 0x00),
571 REG_SEQ0(CMN_REG(0030), 0x20),
572 REG_SEQ0(CMN_REG(0031), 0x30),
573 REG_SEQ0(CMN_REG(0032), 0x0b),
574 REG_SEQ0(CMN_REG(0033), 0x23),
575 REG_SEQ0(CMN_REG(0034), 0x00),
576 REG_SEQ0(CMN_REG(003d), 0x40),
577 REG_SEQ0(CMN_REG(0042), 0x78),
578 REG_SEQ0(CMN_REG(004e), 0x34),
579 REG_SEQ0(CMN_REG(005c), 0x25),
580 REG_SEQ0(CMN_REG(005e), 0x4f),
581 REG_SEQ0(CMN_REG(0074), 0x04),
582 REG_SEQ0(CMN_REG(0081), 0x01),
583 REG_SEQ0(CMN_REG(0087), 0x04),
584 REG_SEQ0(CMN_REG(0089), 0x00),
585 REG_SEQ0(CMN_REG(0095), 0x00),
586 REG_SEQ0(CMN_REG(0097), 0x02),
587 REG_SEQ0(CMN_REG(0099), 0x04),
588 REG_SEQ0(CMN_REG(009b), 0x00),
589 };
590
591 static const struct reg_sequence rk_hdtpx_common_sb_init_seq[] = {
592 REG_SEQ0(SB_REG(0114), 0x00),
593 REG_SEQ0(SB_REG(0115), 0x00),
594 REG_SEQ0(SB_REG(0116), 0x00),
595 REG_SEQ0(SB_REG(0117), 0x00),
596 };
597
598 static const struct reg_sequence rk_hdtpx_tmds_lntop_highbr_seq[] = {
599 REG_SEQ0(LNTOP_REG(0201), 0x00),
600 REG_SEQ0(LNTOP_REG(0202), 0x00),
601 REG_SEQ0(LNTOP_REG(0203), 0x0f),
602 REG_SEQ0(LNTOP_REG(0204), 0xff),
603 REG_SEQ0(LNTOP_REG(0205), 0xff),
604 };
605
606 static const struct reg_sequence rk_hdtpx_tmds_lntop_lowbr_seq[] = {
607 REG_SEQ0(LNTOP_REG(0201), 0x07),
608 REG_SEQ0(LNTOP_REG(0202), 0xc1),
609 REG_SEQ0(LNTOP_REG(0203), 0xf0),
610 REG_SEQ0(LNTOP_REG(0204), 0x7c),
611 REG_SEQ0(LNTOP_REG(0205), 0x1f),
612 };
613
614 static const struct reg_sequence rk_hdtpx_common_lane_init_seq[] = {
615 REG_SEQ0(LANE_REG(0303), 0x0c),
616 REG_SEQ0(LANE_REG(0307), 0x20),
617 REG_SEQ0(LANE_REG(030a), 0x17),
618 REG_SEQ0(LANE_REG(030b), 0x77),
619 REG_SEQ0(LANE_REG(030c), 0x77),
620 REG_SEQ0(LANE_REG(030d), 0x77),
621 REG_SEQ0(LANE_REG(030e), 0x38),
622 REG_SEQ0(LANE_REG(0310), 0x03),
623 REG_SEQ0(LANE_REG(0311), 0x0f),
624 REG_SEQ0(LANE_REG(0316), 0x02),
625 REG_SEQ0(LANE_REG(031b), 0x01),
626 REG_SEQ0(LANE_REG(031f), 0x15),
627 REG_SEQ0(LANE_REG(0320), 0xa0),
628 REG_SEQ0(LANE_REG(0403), 0x0c),
629 REG_SEQ0(LANE_REG(0407), 0x20),
630 REG_SEQ0(LANE_REG(040a), 0x17),
631 REG_SEQ0(LANE_REG(040b), 0x77),
632 REG_SEQ0(LANE_REG(040c), 0x77),
633 REG_SEQ0(LANE_REG(040d), 0x77),
634 REG_SEQ0(LANE_REG(040e), 0x38),
635 REG_SEQ0(LANE_REG(0410), 0x03),
636 REG_SEQ0(LANE_REG(0411), 0x0f),
637 REG_SEQ0(LANE_REG(0416), 0x02),
638 REG_SEQ0(LANE_REG(041b), 0x01),
639 REG_SEQ0(LANE_REG(041f), 0x15),
640 REG_SEQ0(LANE_REG(0420), 0xa0),
641 REG_SEQ0(LANE_REG(0503), 0x0c),
642 REG_SEQ0(LANE_REG(0507), 0x20),
643 REG_SEQ0(LANE_REG(050a), 0x17),
644 REG_SEQ0(LANE_REG(050b), 0x77),
645 REG_SEQ0(LANE_REG(050c), 0x77),
646 REG_SEQ0(LANE_REG(050d), 0x77),
647 REG_SEQ0(LANE_REG(050e), 0x38),
648 REG_SEQ0(LANE_REG(0510), 0x03),
649 REG_SEQ0(LANE_REG(0511), 0x0f),
650 REG_SEQ0(LANE_REG(0516), 0x02),
651 REG_SEQ0(LANE_REG(051b), 0x01),
652 REG_SEQ0(LANE_REG(051f), 0x15),
653 REG_SEQ0(LANE_REG(0520), 0xa0),
654 REG_SEQ0(LANE_REG(0603), 0x0c),
655 REG_SEQ0(LANE_REG(0607), 0x20),
656 REG_SEQ0(LANE_REG(060a), 0x17),
657 REG_SEQ0(LANE_REG(060b), 0x77),
658 REG_SEQ0(LANE_REG(060c), 0x77),
659 REG_SEQ0(LANE_REG(060d), 0x77),
660 REG_SEQ0(LANE_REG(060e), 0x38),
661 REG_SEQ0(LANE_REG(0610), 0x03),
662 REG_SEQ0(LANE_REG(0611), 0x0f),
663 REG_SEQ0(LANE_REG(0616), 0x02),
664 REG_SEQ0(LANE_REG(061b), 0x01),
665 REG_SEQ0(LANE_REG(061f), 0x15),
666 REG_SEQ0(LANE_REG(0620), 0xa0),
667 };
668
669 static const struct reg_sequence rk_hdtpx_tmds_lane_init_seq[] = {
670 REG_SEQ0(LANE_REG(0312), 0x00),
671 REG_SEQ0(LANE_REG(031e), 0x00),
672 REG_SEQ0(LANE_REG(0412), 0x00),
673 REG_SEQ0(LANE_REG(041e), 0x00),
674 REG_SEQ0(LANE_REG(0512), 0x00),
675 REG_SEQ0(LANE_REG(051e), 0x00),
676 REG_SEQ0(LANE_REG(0612), 0x00),
677 REG_SEQ0(LANE_REG(061e), 0x08),
678 REG_SEQ0(LANE_REG(0303), 0x2f),
679 REG_SEQ0(LANE_REG(0403), 0x2f),
680 REG_SEQ0(LANE_REG(0503), 0x2f),
681 REG_SEQ0(LANE_REG(0603), 0x2f),
682 REG_SEQ0(LANE_REG(0305), 0x03),
683 REG_SEQ0(LANE_REG(0405), 0x03),
684 REG_SEQ0(LANE_REG(0505), 0x03),
685 REG_SEQ0(LANE_REG(0605), 0x03),
686 REG_SEQ0(LANE_REG(0306), 0x1c),
687 REG_SEQ0(LANE_REG(0406), 0x1c),
688 REG_SEQ0(LANE_REG(0506), 0x1c),
689 REG_SEQ0(LANE_REG(0606), 0x1c),
690 };
691
692 static struct tx_drv_ctrl tx_drv_ctrl_rbr[4][4] = {
693 /* voltage swing 0, pre-emphasis 0->3 */
694 {
695 { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
696 { 0x4, 0x3, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
697 { 0x7, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
698 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
699 },
700
701 /* voltage swing 1, pre-emphasis 0->2 */
702 {
703 { 0x4, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
704 { 0x9, 0x5, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
705 { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
706 },
707
708 /* voltage swing 2, pre-emphasis 0->1 */
709 {
710 { 0x8, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
711 { 0xc, 0x5, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
712 },
713
714 /* voltage swing 3, pre-emphasis 0 */
715 {
716 { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
717 }
718 };
719
720 static struct tx_drv_ctrl tx_drv_ctrl_hbr[4][4] = {
721 /* voltage swing 0, pre-emphasis 0->3 */
722 {
723 { 0x2, 0x0, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
724 { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
725 { 0x9, 0x8, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
726 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
727 },
728
729 /* voltage swing 1, pre-emphasis 0->2 */
730 {
731 { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
732 { 0xa, 0x6, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
733 { 0xc, 0x8, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
734 },
735
736 /* voltage swing 2, pre-emphasis 0->1 */
737 {
738 { 0x9, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
739 { 0xd, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
740 },
741
742 /* voltage swing 3, pre-emphasis 0 */
743 {
744 { 0xc, 0x1, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
745 }
746 };
747
748 static struct tx_drv_ctrl tx_drv_ctrl_hbr2[4][4] = {
749 /* voltage swing 0, pre-emphasis 0->3 */
750 {
751 { 0x2, 0x1, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
752 { 0x5, 0x4, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
753 { 0x9, 0x8, 0x4, 0x6, 0x1, 0x4, 0x0, 0x1, 0x7, 0x7 },
754 { 0xd, 0xc, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
755 },
756
757 /* voltage swing 1, pre-emphasis 0->2 */
758 {
759 { 0x6, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
760 { 0xb, 0x7, 0x4, 0x6, 0x0, 0x4, 0x0, 0x1, 0x7, 0x7 },
761 { 0xd, 0x9, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
762 },
763
764 /* voltage swing 2, pre-emphasis 0->1 */
765 {
766 { 0x8, 0x1, 0x4, 0x6, 0x0, 0x4, 0x1, 0x1, 0x7, 0x7 },
767 { 0xc, 0x6, 0x7, 0x7, 0x1, 0x7, 0x0, 0x1, 0x7, 0x7 },
768 },
769
770 /* voltage swing 3, pre-emphasis 0 */
771 {
772 { 0xb, 0x0, 0x7, 0x7, 0x1, 0x4, 0x1, 0x1, 0x7, 0x7 },
773 }
774 };
775
rk_hdptx_phy_is_rw_reg(struct device * dev,unsigned int reg)776 static bool rk_hdptx_phy_is_rw_reg(struct device *dev, unsigned int reg)
777 {
778 switch (reg) {
779 case 0x0000 ... 0x029c: /* CMN Register */
780 case 0x0400 ... 0x04a4: /* Sideband Register */
781 case 0x0800 ... 0x08a4: /* Lane Top Register */
782 case 0x0c00 ... 0x0cb4: /* Lane 0 Register */
783 case 0x1000 ... 0x10b4: /* Lane 1 Register */
784 case 0x1400 ... 0x14b4: /* Lane 2 Register */
785 case 0x1800 ... 0x18b4: /* Lane 3 Register */
786 return true;
787 }
788
789 return false;
790 }
791
792 static const struct regmap_config rk_hdptx_phy_regmap_config = {
793 .reg_bits = 32,
794 .reg_stride = 4,
795 .val_bits = 32,
796 .writeable_reg = rk_hdptx_phy_is_rw_reg,
797 .readable_reg = rk_hdptx_phy_is_rw_reg,
798 .fast_io = true,
799 .max_register = 0x18b4,
800 };
801
802 #define rk_hdptx_multi_reg_write(hdptx, seq) \
803 regmap_multi_reg_write((hdptx)->regmap, seq, ARRAY_SIZE(seq))
804
rk_hdptx_pre_power_up(struct rk_hdptx_phy * hdptx)805 static void rk_hdptx_pre_power_up(struct rk_hdptx_phy *hdptx)
806 {
807 u32 val;
808
809 reset_control_assert(hdptx->rsts[RST_APB].rstc);
810 usleep_range(20, 25);
811 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
812
813 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
814 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
815 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
816
817 val = (HDPTX_I_PLL_EN | HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN) << 16;
818 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
819 }
820
rk_hdptx_post_enable_lane(struct rk_hdptx_phy * hdptx)821 static int rk_hdptx_post_enable_lane(struct rk_hdptx_phy *hdptx)
822 {
823 u32 val;
824 int ret;
825
826 reset_control_deassert(hdptx->rsts[RST_LANE].rstc);
827
828 val = (HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN) << 16 |
829 HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN;
830 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
831
832 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, val,
833 (val & HDPTX_O_PHY_RDY) &&
834 (val & HDPTX_O_PLL_LOCK_DONE),
835 100, 5000);
836 if (ret) {
837 dev_err(hdptx->dev, "Failed to get PHY lane lock: %d\n", ret);
838 return ret;
839 }
840
841 dev_dbg(hdptx->dev, "PHY lane locked\n");
842
843 return 0;
844 }
845
rk_hdptx_post_enable_pll(struct rk_hdptx_phy * hdptx)846 static int rk_hdptx_post_enable_pll(struct rk_hdptx_phy *hdptx)
847 {
848 u32 val;
849 int ret;
850
851 val = (HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN) << 16 |
852 HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN;
853 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
854
855 usleep_range(10, 15);
856 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
857
858 usleep_range(10, 15);
859 val = HDPTX_I_PLL_EN << 16 | HDPTX_I_PLL_EN;
860 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
861
862 usleep_range(10, 15);
863 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
864
865 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS, val,
866 val & HDPTX_O_PHY_CLK_RDY, 20, 400);
867 if (ret) {
868 dev_err(hdptx->dev, "Failed to get PHY clk ready: %d\n", ret);
869 return ret;
870 }
871
872 dev_dbg(hdptx->dev, "PHY clk ready\n");
873
874 return 0;
875 }
876
rk_hdptx_phy_disable(struct rk_hdptx_phy * hdptx)877 static void rk_hdptx_phy_disable(struct rk_hdptx_phy *hdptx)
878 {
879 u32 val;
880
881 reset_control_assert(hdptx->rsts[RST_APB].rstc);
882 usleep_range(20, 30);
883 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
884
885 regmap_write(hdptx->regmap, LANE_REG(0300), 0x82);
886 regmap_write(hdptx->regmap, SB_REG(010f), 0xc1);
887 regmap_write(hdptx->regmap, SB_REG(0110), 0x1);
888 regmap_write(hdptx->regmap, LANE_REG(0301), 0x80);
889 regmap_write(hdptx->regmap, LANE_REG(0401), 0x80);
890 regmap_write(hdptx->regmap, LANE_REG(0501), 0x80);
891 regmap_write(hdptx->regmap, LANE_REG(0601), 0x80);
892
893 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
894 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
895 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
896
897 val = (HDPTX_I_PLL_EN | HDPTX_I_BIAS_EN | HDPTX_I_BGR_EN) << 16;
898 regmap_write(hdptx->grf, GRF_HDPTX_CON0, val);
899 }
900
rk_hdptx_phy_clk_pll_calc(unsigned long long rate,struct ropll_config * cfg)901 static bool rk_hdptx_phy_clk_pll_calc(unsigned long long rate,
902 struct ropll_config *cfg)
903 {
904 const unsigned int fout = div_u64(rate, 200), fref = 24000;
905 unsigned long k = 0, lc, k_sub, lc_sub;
906 unsigned int fvco, sdc;
907 u32 mdiv, sdiv, n = 8;
908
909 if (fout > 0xfffffff)
910 return false;
911
912 for (sdiv = 16; sdiv >= 1; sdiv--) {
913 if (sdiv % 2 && sdiv != 1)
914 continue;
915
916 fvco = fout * sdiv;
917
918 if (fvco < 2000000 || fvco > 4000000)
919 continue;
920
921 mdiv = DIV_ROUND_UP(fvco, fref);
922 if (mdiv < 20 || mdiv > 255)
923 continue;
924
925 if (fref * mdiv - fvco) {
926 for (sdc = 264000; sdc <= 750000; sdc += fref)
927 if (sdc * n > fref * mdiv)
928 break;
929
930 if (sdc > 750000)
931 continue;
932
933 rational_best_approximation(fref * mdiv - fvco,
934 sdc / 16,
935 GENMASK(6, 0),
936 GENMASK(7, 0),
937 &k, &lc);
938
939 rational_best_approximation(sdc * n - fref * mdiv,
940 sdc,
941 GENMASK(6, 0),
942 GENMASK(7, 0),
943 &k_sub, &lc_sub);
944 }
945
946 break;
947 }
948
949 if (sdiv < 1)
950 return false;
951
952 if (cfg) {
953 cfg->pms_mdiv = mdiv;
954 cfg->pms_mdiv_afc = mdiv;
955 cfg->pms_pdiv = 1;
956 cfg->pms_refdiv = 1;
957 cfg->pms_sdiv = sdiv - 1;
958
959 cfg->sdm_en = k > 0 ? 1 : 0;
960 if (cfg->sdm_en) {
961 cfg->sdm_deno = lc;
962 cfg->sdm_num_sign = 1;
963 cfg->sdm_num = k;
964 cfg->sdc_n = n - 3;
965 cfg->sdc_num = k_sub;
966 cfg->sdc_deno = lc_sub;
967 }
968 }
969
970 return true;
971 }
972
rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy * hdptx)973 static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx)
974 {
975 const struct ropll_config *cfg = NULL;
976 struct ropll_config rc = {0};
977 int ret, i;
978
979 if (!hdptx->hdmi_cfg.tmds_char_rate)
980 return 0;
981
982 for (i = 0; i < ARRAY_SIZE(ropll_tmds_cfg); i++)
983 if (hdptx->hdmi_cfg.tmds_char_rate == ropll_tmds_cfg[i].rate) {
984 cfg = &ropll_tmds_cfg[i];
985 break;
986 }
987
988 if (!cfg) {
989 if (!rk_hdptx_phy_clk_pll_calc(hdptx->hdmi_cfg.tmds_char_rate, &rc)) {
990 dev_err(hdptx->dev, "%s cannot find pll cfg for rate=%llu\n",
991 __func__, hdptx->hdmi_cfg.tmds_char_rate);
992 return -EINVAL;
993 }
994
995 cfg = &rc;
996 }
997
998 dev_dbg(hdptx->dev, "%s rate=%llu mdiv=%u sdiv=%u sdm_en=%u k_sign=%u k=%u lc=%u\n",
999 __func__, hdptx->hdmi_cfg.tmds_char_rate, cfg->pms_mdiv, cfg->pms_sdiv + 1,
1000 cfg->sdm_en, cfg->sdm_num_sign, cfg->sdm_num, cfg->sdm_deno);
1001
1002 rk_hdptx_pre_power_up(hdptx);
1003
1004 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_common_cmn_init_seq);
1005 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_tmds_cmn_init_seq);
1006
1007 regmap_write(hdptx->regmap, CMN_REG(0051), cfg->pms_mdiv);
1008 regmap_write(hdptx->regmap, CMN_REG(0055), cfg->pms_mdiv_afc);
1009 regmap_write(hdptx->regmap, CMN_REG(0059),
1010 (cfg->pms_pdiv << 4) | cfg->pms_refdiv);
1011 regmap_write(hdptx->regmap, CMN_REG(005a), cfg->pms_sdiv << 4);
1012
1013 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK,
1014 FIELD_PREP(ROPLL_SDM_EN_MASK, cfg->sdm_en));
1015 if (!cfg->sdm_en)
1016 regmap_update_bits(hdptx->regmap, CMN_REG(005e), 0xf, 0);
1017
1018 regmap_update_bits(hdptx->regmap, CMN_REG(0064), ROPLL_SDM_NUM_SIGN_RBR_MASK,
1019 FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, cfg->sdm_num_sign));
1020
1021 regmap_write(hdptx->regmap, CMN_REG(0060), cfg->sdm_deno);
1022 regmap_write(hdptx->regmap, CMN_REG(0065), cfg->sdm_num);
1023
1024 regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK,
1025 FIELD_PREP(ROPLL_SDC_N_RBR_MASK, cfg->sdc_n));
1026
1027 regmap_write(hdptx->regmap, CMN_REG(006c), cfg->sdc_num);
1028 regmap_write(hdptx->regmap, CMN_REG(0070), cfg->sdc_deno);
1029
1030 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_POSTDIV_SEL_MASK,
1031 FIELD_PREP(PLL_PCG_POSTDIV_SEL_MASK, cfg->pms_sdiv));
1032
1033 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_SEL_MASK,
1034 FIELD_PREP(PLL_PCG_CLK_SEL_MASK, (hdptx->hdmi_cfg.bpc - 8) >> 1));
1035
1036 regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_EN_MASK,
1037 FIELD_PREP(PLL_PCG_CLK_EN_MASK, 0x1));
1038
1039 ret = rk_hdptx_post_enable_pll(hdptx);
1040 if (!ret)
1041 hdptx->hw_rate = hdptx->hdmi_cfg.tmds_char_rate;
1042
1043 return ret;
1044 }
1045
rk_hdptx_ropll_tmds_mode_config(struct rk_hdptx_phy * hdptx)1046 static int rk_hdptx_ropll_tmds_mode_config(struct rk_hdptx_phy *hdptx)
1047 {
1048 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_common_sb_init_seq);
1049
1050 regmap_write(hdptx->regmap, LNTOP_REG(0200), 0x06);
1051
1052 if (hdptx->hdmi_cfg.tmds_char_rate > HDMI14_MAX_RATE) {
1053 /* For 1/40 bitrate clk */
1054 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_tmds_lntop_highbr_seq);
1055 } else {
1056 /* For 1/10 bitrate clk */
1057 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_tmds_lntop_lowbr_seq);
1058 }
1059
1060 regmap_write(hdptx->regmap, LNTOP_REG(0206), 0x07);
1061 regmap_write(hdptx->regmap, LNTOP_REG(0207), 0x0f);
1062
1063 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_common_lane_init_seq);
1064 rk_hdptx_multi_reg_write(hdptx, rk_hdtpx_tmds_lane_init_seq);
1065
1066 return rk_hdptx_post_enable_lane(hdptx);
1067 }
1068
rk_hdptx_dp_reset(struct rk_hdptx_phy * hdptx)1069 static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx)
1070 {
1071 reset_control_assert(hdptx->rsts[RST_LANE].rstc);
1072 reset_control_assert(hdptx->rsts[RST_CMN].rstc);
1073 reset_control_assert(hdptx->rsts[RST_INIT].rstc);
1074
1075 reset_control_assert(hdptx->rsts[RST_APB].rstc);
1076 udelay(10);
1077 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
1078
1079 regmap_update_bits(hdptx->regmap, LANE_REG(0301),
1080 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1081 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1082 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1083 regmap_update_bits(hdptx->regmap, LANE_REG(0401),
1084 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1085 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1086 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1087 regmap_update_bits(hdptx->regmap, LANE_REG(0501),
1088 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1089 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1090 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1091 regmap_update_bits(hdptx->regmap, LANE_REG(0601),
1092 OVRD_LN_TX_DRV_EI_EN_MASK | LN_TX_DRV_EI_EN_MASK,
1093 FIELD_PREP(OVRD_LN_TX_DRV_EI_EN_MASK, 1) |
1094 FIELD_PREP(LN_TX_DRV_EI_EN_MASK, 0));
1095
1096 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1097 HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0));
1098 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1099 HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x0));
1100 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1101 HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x0));
1102 }
1103
rk_hdptx_phy_consumer_get(struct rk_hdptx_phy * hdptx)1104 static int rk_hdptx_phy_consumer_get(struct rk_hdptx_phy *hdptx)
1105 {
1106 enum phy_mode mode = phy_get_mode(hdptx->phy);
1107 u32 status;
1108 int ret;
1109
1110 if (atomic_inc_return(&hdptx->usage_count) > 1)
1111 return 0;
1112
1113 ret = regmap_read(hdptx->grf, GRF_HDPTX_STATUS, &status);
1114 if (ret)
1115 goto dec_usage;
1116
1117 if (status & HDPTX_O_PLL_LOCK_DONE)
1118 dev_warn(hdptx->dev, "PLL locked by unknown consumer!\n");
1119
1120 if (mode == PHY_MODE_DP) {
1121 rk_hdptx_dp_reset(hdptx);
1122 } else {
1123 ret = rk_hdptx_ropll_tmds_cmn_config(hdptx);
1124 if (ret)
1125 goto dec_usage;
1126 }
1127
1128 return 0;
1129
1130 dec_usage:
1131 atomic_dec(&hdptx->usage_count);
1132 return ret;
1133 }
1134
rk_hdptx_phy_consumer_put(struct rk_hdptx_phy * hdptx,bool force)1135 static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force)
1136 {
1137 enum phy_mode mode = phy_get_mode(hdptx->phy);
1138 u32 status;
1139 int ret;
1140
1141 ret = atomic_dec_return(&hdptx->usage_count);
1142 if (ret > 0)
1143 return 0;
1144
1145 if (ret < 0) {
1146 dev_warn(hdptx->dev, "Usage count underflow!\n");
1147 ret = -EINVAL;
1148 } else {
1149 ret = regmap_read(hdptx->grf, GRF_HDPTX_STATUS, &status);
1150 if (!ret) {
1151 if (status & HDPTX_O_PLL_LOCK_DONE) {
1152 if (mode == PHY_MODE_DP)
1153 rk_hdptx_dp_reset(hdptx);
1154 else
1155 rk_hdptx_phy_disable(hdptx);
1156 }
1157 return 0;
1158 } else if (force) {
1159 return 0;
1160 }
1161 }
1162
1163 atomic_inc(&hdptx->usage_count);
1164 return ret;
1165 }
1166
rk_hdptx_dp_pll_init(struct rk_hdptx_phy * hdptx)1167 static void rk_hdptx_dp_pll_init(struct rk_hdptx_phy *hdptx)
1168 {
1169 regmap_update_bits(hdptx->regmap, CMN_REG(003c), ANA_LCPLL_RESERVED7_MASK,
1170 FIELD_PREP(ANA_LCPLL_RESERVED7_MASK, 0x1));
1171
1172 regmap_update_bits(hdptx->regmap, CMN_REG(0046),
1173 ROPLL_ANA_CPP_CTRL_COARSE_MASK | ROPLL_ANA_CPP_CTRL_FINE_MASK,
1174 FIELD_PREP(ROPLL_ANA_CPP_CTRL_COARSE_MASK, 0xe) |
1175 FIELD_PREP(ROPLL_ANA_CPP_CTRL_FINE_MASK, 0xe));
1176 regmap_update_bits(hdptx->regmap, CMN_REG(0047),
1177 ROPLL_ANA_LPF_C_SEL_COARSE_MASK |
1178 ROPLL_ANA_LPF_C_SEL_FINE_MASK,
1179 FIELD_PREP(ROPLL_ANA_LPF_C_SEL_COARSE_MASK, 0x4) |
1180 FIELD_PREP(ROPLL_ANA_LPF_C_SEL_FINE_MASK, 0x4));
1181
1182 regmap_write(hdptx->regmap, CMN_REG(0051), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x87));
1183 regmap_write(hdptx->regmap, CMN_REG(0052), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71));
1184 regmap_write(hdptx->regmap, CMN_REG(0053), FIELD_PREP(ROPLL_PMS_MDIV_MASK, 0x71));
1185
1186 regmap_write(hdptx->regmap, CMN_REG(0055),
1187 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x87));
1188 regmap_write(hdptx->regmap, CMN_REG(0056),
1189 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71));
1190 regmap_write(hdptx->regmap, CMN_REG(0057),
1191 FIELD_PREP(ROPLL_PMS_MDIV_AFC_MASK, 0x71));
1192
1193 regmap_write(hdptx->regmap, CMN_REG(0059),
1194 FIELD_PREP(ANA_ROPLL_PMS_PDIV_MASK, 0x1) |
1195 FIELD_PREP(ANA_ROPLL_PMS_REFDIV_MASK, 0x1));
1196 regmap_write(hdptx->regmap, CMN_REG(005a),
1197 FIELD_PREP(ROPLL_PMS_SDIV_RBR_MASK, 0x3) |
1198 FIELD_PREP(ROPLL_PMS_SDIV_HBR_MASK, 0x1));
1199 regmap_update_bits(hdptx->regmap, CMN_REG(005b), ROPLL_PMS_SDIV_HBR2_MASK,
1200 FIELD_PREP(ROPLL_PMS_SDIV_HBR2_MASK, 0x0));
1201
1202 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDM_EN_MASK,
1203 FIELD_PREP(ROPLL_SDM_EN_MASK, 0x1));
1204 regmap_update_bits(hdptx->regmap, CMN_REG(005e),
1205 OVRD_ROPLL_SDM_RSTN_MASK | ROPLL_SDM_RSTN_MASK,
1206 FIELD_PREP(OVRD_ROPLL_SDM_RSTN_MASK, 0x1) |
1207 FIELD_PREP(ROPLL_SDM_RSTN_MASK, 0x1));
1208 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_RBR_MASK,
1209 FIELD_PREP(ROPLL_SDC_FRAC_EN_RBR_MASK, 0x1));
1210 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR_MASK,
1211 FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR_MASK, 0x1));
1212 regmap_update_bits(hdptx->regmap, CMN_REG(005e), ROPLL_SDC_FRAC_EN_HBR2_MASK,
1213 FIELD_PREP(ROPLL_SDC_FRAC_EN_HBR2_MASK, 0x1));
1214
1215 regmap_update_bits(hdptx->regmap, CMN_REG(005f),
1216 OVRD_ROPLL_SDC_RSTN_MASK | ROPLL_SDC_RSTN_MASK,
1217 FIELD_PREP(OVRD_ROPLL_SDC_RSTN_MASK, 0x1) |
1218 FIELD_PREP(ROPLL_SDC_RSTN_MASK, 0x1));
1219 regmap_write(hdptx->regmap, CMN_REG(0060),
1220 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x21));
1221 regmap_write(hdptx->regmap, CMN_REG(0061),
1222 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27));
1223 regmap_write(hdptx->regmap, CMN_REG(0062),
1224 FIELD_PREP(ROPLL_SDM_DENOMINATOR_MASK, 0x27));
1225
1226 regmap_update_bits(hdptx->regmap, CMN_REG(0064),
1227 ROPLL_SDM_NUM_SIGN_RBR_MASK |
1228 ROPLL_SDM_NUM_SIGN_HBR_MASK |
1229 ROPLL_SDM_NUM_SIGN_HBR2_MASK,
1230 FIELD_PREP(ROPLL_SDM_NUM_SIGN_RBR_MASK, 0x0) |
1231 FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR_MASK, 0x1) |
1232 FIELD_PREP(ROPLL_SDM_NUM_SIGN_HBR2_MASK, 0x1));
1233 regmap_write(hdptx->regmap, CMN_REG(0065),
1234 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0x0));
1235 regmap_write(hdptx->regmap, CMN_REG(0066),
1236 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd));
1237 regmap_write(hdptx->regmap, CMN_REG(0067),
1238 FIELD_PREP(ROPLL_SDM_NUM_MASK, 0xd));
1239
1240 regmap_update_bits(hdptx->regmap, CMN_REG(0069), ROPLL_SDC_N_RBR_MASK,
1241 FIELD_PREP(ROPLL_SDC_N_RBR_MASK, 0x2));
1242
1243 regmap_update_bits(hdptx->regmap, CMN_REG(006a),
1244 ROPLL_SDC_N_HBR_MASK | ROPLL_SDC_N_HBR2_MASK,
1245 FIELD_PREP(ROPLL_SDC_N_HBR_MASK, 0x1) |
1246 FIELD_PREP(ROPLL_SDC_N_HBR2_MASK, 0x1));
1247
1248 regmap_write(hdptx->regmap, CMN_REG(006c),
1249 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x3));
1250 regmap_write(hdptx->regmap, CMN_REG(006d),
1251 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7));
1252 regmap_write(hdptx->regmap, CMN_REG(006e),
1253 FIELD_PREP(ROPLL_SDC_NUM_MASK, 0x7));
1254
1255 regmap_write(hdptx->regmap, CMN_REG(0070),
1256 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x8));
1257 regmap_write(hdptx->regmap, CMN_REG(0071),
1258 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18));
1259 regmap_write(hdptx->regmap, CMN_REG(0072),
1260 FIELD_PREP(ROPLL_SDC_DENO_MASK, 0x18));
1261
1262 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1263 OVRD_ROPLL_SDC_NDIV_RSTN_MASK | ROPLL_SDC_NDIV_RSTN_MASK,
1264 FIELD_PREP(OVRD_ROPLL_SDC_NDIV_RSTN_MASK, 0x1) |
1265 FIELD_PREP(ROPLL_SDC_NDIV_RSTN_MASK, 0x1));
1266
1267 regmap_update_bits(hdptx->regmap, CMN_REG(0077), ANA_ROPLL_SSC_CLK_DIV_SEL_MASK,
1268 FIELD_PREP(ANA_ROPLL_SSC_CLK_DIV_SEL_MASK, 0x1));
1269
1270 regmap_update_bits(hdptx->regmap, CMN_REG(0081), ANA_PLL_CD_TX_SER_RATE_SEL_MASK,
1271 FIELD_PREP(ANA_PLL_CD_TX_SER_RATE_SEL_MASK, 0x0));
1272 regmap_update_bits(hdptx->regmap, CMN_REG(0081),
1273 ANA_PLL_CD_HSCLK_EAST_EN_MASK | ANA_PLL_CD_HSCLK_WEST_EN_MASK,
1274 FIELD_PREP(ANA_PLL_CD_HSCLK_EAST_EN_MASK, 0x1) |
1275 FIELD_PREP(ANA_PLL_CD_HSCLK_WEST_EN_MASK, 0x0));
1276
1277 regmap_update_bits(hdptx->regmap, CMN_REG(0082), ANA_PLL_CD_VREG_GAIN_CTRL_MASK,
1278 FIELD_PREP(ANA_PLL_CD_VREG_GAIN_CTRL_MASK, 0x4));
1279 regmap_update_bits(hdptx->regmap, CMN_REG(0083), ANA_PLL_CD_VREG_ICTRL_MASK,
1280 FIELD_PREP(ANA_PLL_CD_VREG_ICTRL_MASK, 0x1));
1281 regmap_update_bits(hdptx->regmap, CMN_REG(0084), PLL_LCRO_CLK_SEL_MASK,
1282 FIELD_PREP(PLL_LCRO_CLK_SEL_MASK, 0x1));
1283 regmap_update_bits(hdptx->regmap, CMN_REG(0085), ANA_PLL_SYNC_LOSS_DET_MODE_MASK,
1284 FIELD_PREP(ANA_PLL_SYNC_LOSS_DET_MODE_MASK, 0x3));
1285
1286 regmap_update_bits(hdptx->regmap, CMN_REG(0087), ANA_PLL_TX_HS_CLK_EN_MASK,
1287 FIELD_PREP(ANA_PLL_TX_HS_CLK_EN_MASK, 0x1));
1288
1289 regmap_update_bits(hdptx->regmap, CMN_REG(0097), DIG_CLK_SEL_MASK,
1290 FIELD_PREP(DIG_CLK_SEL_MASK, 0x1));
1291
1292 regmap_update_bits(hdptx->regmap, CMN_REG(0099), CMN_ROPLL_ALONE_MODE_MASK,
1293 FIELD_PREP(CMN_ROPLL_ALONE_MODE_MASK, 0x1));
1294 regmap_update_bits(hdptx->regmap, CMN_REG(009a), HS_SPEED_SEL_MASK,
1295 FIELD_PREP(HS_SPEED_SEL_MASK, 0x1));
1296 regmap_update_bits(hdptx->regmap, CMN_REG(009b), LS_SPEED_SEL_MASK,
1297 FIELD_PREP(LS_SPEED_SEL_MASK, 0x1));
1298 }
1299
rk_hdptx_dp_aux_init(struct rk_hdptx_phy * hdptx)1300 static int rk_hdptx_dp_aux_init(struct rk_hdptx_phy *hdptx)
1301 {
1302 u32 status;
1303 int ret;
1304
1305 regmap_update_bits(hdptx->regmap, SB_REG(0102), ANA_SB_RXTERM_OFFSP_MASK,
1306 FIELD_PREP(ANA_SB_RXTERM_OFFSP_MASK, 0x3));
1307 regmap_update_bits(hdptx->regmap, SB_REG(0103), ANA_SB_RXTERM_OFFSN_MASK,
1308 FIELD_PREP(ANA_SB_RXTERM_OFFSN_MASK, 0x3));
1309 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK,
1310 FIELD_PREP(SB_AUX_EN_MASK, 0x1));
1311 regmap_update_bits(hdptx->regmap, SB_REG(0105), ANA_SB_TX_HLVL_PROG_MASK,
1312 FIELD_PREP(ANA_SB_TX_HLVL_PROG_MASK, 0x7));
1313 regmap_update_bits(hdptx->regmap, SB_REG(0106), ANA_SB_TX_LLVL_PROG_MASK,
1314 FIELD_PREP(ANA_SB_TX_LLVL_PROG_MASK, 0x7));
1315
1316 regmap_update_bits(hdptx->regmap, SB_REG(010d), ANA_SB_DMRX_LPBK_DATA_MASK,
1317 FIELD_PREP(ANA_SB_DMRX_LPBK_DATA_MASK, 0x1));
1318
1319 regmap_update_bits(hdptx->regmap, SB_REG(010f), ANA_SB_VREG_GAIN_CTRL_MASK,
1320 FIELD_PREP(ANA_SB_VREG_GAIN_CTRL_MASK, 0x0));
1321 regmap_update_bits(hdptx->regmap, SB_REG(0110),
1322 ANA_SB_VREG_OUT_SEL_MASK | ANA_SB_VREG_REF_SEL_MASK,
1323 FIELD_PREP(ANA_SB_VREG_OUT_SEL_MASK, 0x1) |
1324 FIELD_PREP(ANA_SB_VREG_REF_SEL_MASK, 0x1));
1325
1326 regmap_update_bits(hdptx->regmap, SB_REG(0113),
1327 SB_RX_RCAL_OPT_CODE_MASK | SB_RX_RTERM_CTRL_MASK,
1328 FIELD_PREP(SB_RX_RCAL_OPT_CODE_MASK, 0x1) |
1329 FIELD_PREP(SB_RX_RTERM_CTRL_MASK, 0x3));
1330 regmap_update_bits(hdptx->regmap, SB_REG(0114),
1331 SB_TG_SB_EN_DELAY_TIME_MASK | SB_TG_RXTERM_EN_DELAY_TIME_MASK,
1332 FIELD_PREP(SB_TG_SB_EN_DELAY_TIME_MASK, 0x2) |
1333 FIELD_PREP(SB_TG_RXTERM_EN_DELAY_TIME_MASK, 0x2));
1334 regmap_update_bits(hdptx->regmap, SB_REG(0115),
1335 SB_READY_DELAY_TIME_MASK | SB_TG_OSC_EN_DELAY_TIME_MASK,
1336 FIELD_PREP(SB_READY_DELAY_TIME_MASK, 0x2) |
1337 FIELD_PREP(SB_TG_OSC_EN_DELAY_TIME_MASK, 0x2));
1338 regmap_update_bits(hdptx->regmap, SB_REG(0116),
1339 AFC_RSTN_DELAY_TIME_MASK,
1340 FIELD_PREP(AFC_RSTN_DELAY_TIME_MASK, 0x2));
1341 regmap_update_bits(hdptx->regmap, SB_REG(0117),
1342 FAST_PULSE_TIME_MASK,
1343 FIELD_PREP(FAST_PULSE_TIME_MASK, 0x4));
1344 regmap_update_bits(hdptx->regmap, SB_REG(0118),
1345 SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK,
1346 FIELD_PREP(SB_TG_EARC_DMRX_RECVRD_CLK_CNT_MASK, 0xa));
1347
1348 regmap_update_bits(hdptx->regmap, SB_REG(011a), SB_TG_CNT_RUN_NO_7_0_MASK,
1349 FIELD_PREP(SB_TG_CNT_RUN_NO_7_0_MASK, 0x3));
1350 regmap_update_bits(hdptx->regmap, SB_REG(011b),
1351 SB_EARC_SIG_DET_BYPASS_MASK | SB_AFC_TOL_MASK,
1352 FIELD_PREP(SB_EARC_SIG_DET_BYPASS_MASK, 0x1) |
1353 FIELD_PREP(SB_AFC_TOL_MASK, 0x3));
1354 regmap_update_bits(hdptx->regmap, SB_REG(011c), SB_AFC_STB_NUM_MASK,
1355 FIELD_PREP(SB_AFC_STB_NUM_MASK, 0x4));
1356 regmap_update_bits(hdptx->regmap, SB_REG(011d), SB_TG_OSC_CNT_MIN_MASK,
1357 FIELD_PREP(SB_TG_OSC_CNT_MIN_MASK, 0x67));
1358 regmap_update_bits(hdptx->regmap, SB_REG(011e), SB_TG_OSC_CNT_MAX_MASK,
1359 FIELD_PREP(SB_TG_OSC_CNT_MAX_MASK, 0x6a));
1360 regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_PWM_AFC_CTRL_MASK,
1361 FIELD_PREP(SB_PWM_AFC_CTRL_MASK, 0x5));
1362 regmap_update_bits(hdptx->regmap, SB_REG(011f), SB_RCAL_RSTN_MASK,
1363 FIELD_PREP(SB_RCAL_RSTN_MASK, 0x1));
1364 regmap_update_bits(hdptx->regmap, SB_REG(0120), SB_AUX_EN_IN_MASK,
1365 FIELD_PREP(SB_AUX_EN_IN_MASK, 0x1));
1366
1367 regmap_update_bits(hdptx->regmap, SB_REG(0102), OVRD_SB_RXTERM_EN_MASK,
1368 FIELD_PREP(OVRD_SB_RXTERM_EN_MASK, 0x1));
1369 regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK,
1370 FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1));
1371 regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_EN_MASK,
1372 FIELD_PREP(OVRD_SB_EN_MASK, 0x1));
1373 regmap_update_bits(hdptx->regmap, SB_REG(0104), OVRD_SB_AUX_EN_MASK,
1374 FIELD_PREP(OVRD_SB_AUX_EN_MASK, 0x1));
1375
1376 regmap_update_bits(hdptx->regmap, SB_REG(010f), OVRD_SB_VREG_EN_MASK,
1377 FIELD_PREP(OVRD_SB_VREG_EN_MASK, 0x1));
1378
1379 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1380 HDPTX_I_BGR_EN << 16 | FIELD_PREP(HDPTX_I_BGR_EN, 0x1));
1381 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1382 HDPTX_I_BIAS_EN << 16 | FIELD_PREP(HDPTX_I_BIAS_EN, 0x1));
1383 usleep_range(20, 25);
1384
1385 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
1386 usleep_range(20, 25);
1387 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
1388 usleep_range(20, 25);
1389
1390 regmap_update_bits(hdptx->regmap, SB_REG(0103), OVRD_SB_RX_RESCAL_DONE_MASK,
1391 FIELD_PREP(OVRD_SB_RX_RESCAL_DONE_MASK, 0x1));
1392 usleep_range(100, 110);
1393 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_EN_MASK,
1394 FIELD_PREP(SB_EN_MASK, 0x1));
1395 usleep_range(100, 110);
1396 regmap_update_bits(hdptx->regmap, SB_REG(0102), SB_RXTERM_EN_MASK,
1397 FIELD_PREP(SB_RXTERM_EN_MASK, 0x1));
1398 usleep_range(20, 25);
1399 regmap_update_bits(hdptx->regmap, SB_REG(010f), SB_VREG_EN_MASK,
1400 FIELD_PREP(SB_VREG_EN_MASK, 0x1));
1401 usleep_range(20, 25);
1402 regmap_update_bits(hdptx->regmap, SB_REG(0104), SB_AUX_EN_MASK,
1403 FIELD_PREP(SB_AUX_EN_MASK, 0x1));
1404 usleep_range(100, 110);
1405
1406 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
1407 status, FIELD_GET(HDPTX_O_SB_RDY, status),
1408 50, 1000);
1409 if (ret) {
1410 dev_err(hdptx->dev, "Failed to get phy sb ready: %d\n", ret);
1411 return ret;
1412 }
1413
1414 return 0;
1415 }
1416
rk_hdptx_phy_power_on(struct phy * phy)1417 static int rk_hdptx_phy_power_on(struct phy *phy)
1418 {
1419 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1420 enum phy_mode mode = phy_get_mode(phy);
1421 int ret, lane;
1422
1423 if (mode != PHY_MODE_DP) {
1424 if (!hdptx->hdmi_cfg.tmds_char_rate) {
1425 /*
1426 * FIXME: Temporary workaround to setup TMDS char rate
1427 * from the RK DW HDMI QP bridge driver.
1428 * Will be removed as soon the switch to the HDMI PHY
1429 * configuration API has been completed on both ends.
1430 */
1431 hdptx->hdmi_cfg.tmds_char_rate = phy_get_bus_width(hdptx->phy) & 0xfffffff;
1432 hdptx->hdmi_cfg.tmds_char_rate *= 100;
1433 }
1434
1435 dev_dbg(hdptx->dev, "%s rate=%llu bpc=%u\n", __func__,
1436 hdptx->hdmi_cfg.tmds_char_rate, hdptx->hdmi_cfg.bpc);
1437 }
1438
1439 ret = rk_hdptx_phy_consumer_get(hdptx);
1440 if (ret)
1441 return ret;
1442
1443 if (mode == PHY_MODE_DP) {
1444 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1445 HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x1));
1446
1447 for (lane = 0; lane < 4; lane++) {
1448 regmap_update_bits(hdptx->regmap, LANE_REG(031e) + 0x400 * lane,
1449 LN_POLARITY_INV_MASK | LN_LANE_MODE_MASK,
1450 FIELD_PREP(LN_POLARITY_INV_MASK, 0) |
1451 FIELD_PREP(LN_LANE_MODE_MASK, 1));
1452 }
1453
1454 regmap_update_bits(hdptx->regmap, LNTOP_REG(0200), PROTOCOL_SEL_MASK,
1455 FIELD_PREP(PROTOCOL_SEL_MASK, 0x0));
1456 regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_MASK,
1457 FIELD_PREP(DATA_BUS_WIDTH_MASK, 0x1));
1458 regmap_update_bits(hdptx->regmap, LNTOP_REG(0206), DATA_BUS_WIDTH_SEL_MASK,
1459 FIELD_PREP(DATA_BUS_WIDTH_SEL_MASK, 0x0));
1460
1461 rk_hdptx_dp_pll_init(hdptx);
1462
1463 ret = rk_hdptx_dp_aux_init(hdptx);
1464 if (ret)
1465 rk_hdptx_phy_consumer_put(hdptx, true);
1466 } else {
1467 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1468 HDPTX_MODE_SEL << 16 | FIELD_PREP(HDPTX_MODE_SEL, 0x0));
1469
1470 ret = rk_hdptx_ropll_tmds_mode_config(hdptx);
1471 if (ret)
1472 rk_hdptx_phy_consumer_put(hdptx, true);
1473 }
1474
1475 return ret;
1476 }
1477
rk_hdptx_phy_power_off(struct phy * phy)1478 static int rk_hdptx_phy_power_off(struct phy *phy)
1479 {
1480 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1481
1482 return rk_hdptx_phy_consumer_put(hdptx, false);
1483 }
1484
rk_hdptx_phy_verify_hdmi_config(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_hdmi * hdmi)1485 static int rk_hdptx_phy_verify_hdmi_config(struct rk_hdptx_phy *hdptx,
1486 struct phy_configure_opts_hdmi *hdmi)
1487 {
1488 int i;
1489
1490 if (!hdmi->tmds_char_rate || hdmi->tmds_char_rate > HDMI20_MAX_RATE)
1491 return -EINVAL;
1492
1493 for (i = 0; i < ARRAY_SIZE(ropll_tmds_cfg); i++)
1494 if (hdmi->tmds_char_rate == ropll_tmds_cfg[i].rate)
1495 break;
1496
1497 if (i == ARRAY_SIZE(ropll_tmds_cfg) &&
1498 !rk_hdptx_phy_clk_pll_calc(hdmi->tmds_char_rate, NULL))
1499 return -EINVAL;
1500
1501 if (!hdmi->bpc)
1502 hdmi->bpc = 8;
1503
1504 switch (hdmi->bpc) {
1505 case 8:
1506 case 10:
1507 case 12:
1508 case 16:
1509 break;
1510 default:
1511 return -EINVAL;
1512 }
1513
1514 return 0;
1515 }
1516
rk_hdptx_phy_verify_dp_config(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1517 static int rk_hdptx_phy_verify_dp_config(struct rk_hdptx_phy *hdptx,
1518 struct phy_configure_opts_dp *dp)
1519 {
1520 int i;
1521
1522 if (dp->set_rate) {
1523 switch (dp->link_rate) {
1524 case 1620:
1525 case 2700:
1526 case 5400:
1527 break;
1528 default:
1529 return -EINVAL;
1530 }
1531 }
1532
1533 if (dp->set_lanes) {
1534 switch (dp->lanes) {
1535 case 1:
1536 case 2:
1537 case 4:
1538 break;
1539 default:
1540 return -EINVAL;
1541 }
1542 }
1543
1544 if (dp->set_voltages) {
1545 for (i = 0; i < hdptx->lanes; i++) {
1546 if (dp->voltage[i] > 3 || dp->pre[i] > 3)
1547 return -EINVAL;
1548
1549 if (dp->voltage[i] + dp->pre[i] > 3)
1550 return -EINVAL;
1551 }
1552 }
1553
1554 return 0;
1555 }
1556
rk_hdptx_phy_set_rate(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1557 static int rk_hdptx_phy_set_rate(struct rk_hdptx_phy *hdptx,
1558 struct phy_configure_opts_dp *dp)
1559 {
1560 u32 bw, status;
1561 int ret;
1562
1563 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1564 HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x0));
1565
1566 switch (dp->link_rate) {
1567 case 1620:
1568 bw = DP_BW_RBR;
1569 break;
1570 case 2700:
1571 bw = DP_BW_HBR;
1572 break;
1573 case 5400:
1574 bw = DP_BW_HBR2;
1575 break;
1576 default:
1577 return -EINVAL;
1578 }
1579 hdptx->link_rate = dp->link_rate;
1580
1581 regmap_update_bits(hdptx->regmap, CMN_REG(0008), OVRD_LCPLL_EN_MASK | LCPLL_EN_MASK,
1582 FIELD_PREP(OVRD_LCPLL_EN_MASK, 0x1) |
1583 FIELD_PREP(LCPLL_EN_MASK, 0x0));
1584
1585 regmap_update_bits(hdptx->regmap, CMN_REG(003d), OVRD_ROPLL_EN_MASK | ROPLL_EN_MASK,
1586 FIELD_PREP(OVRD_ROPLL_EN_MASK, 0x1) |
1587 FIELD_PREP(ROPLL_EN_MASK, 0x1));
1588
1589 if (dp->ssc) {
1590 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1591 OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK,
1592 FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) |
1593 FIELD_PREP(ROPLL_SSC_EN_MASK, 0x1));
1594 regmap_write(hdptx->regmap, CMN_REG(0075),
1595 FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0xc));
1596 regmap_update_bits(hdptx->regmap, CMN_REG(0076),
1597 ANA_ROPLL_SSC_FM_FREQ_MASK,
1598 FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0x1f));
1599
1600 regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK,
1601 FIELD_PREP(SSC_EN_MASK, 0x2));
1602 } else {
1603 regmap_update_bits(hdptx->regmap, CMN_REG(0074),
1604 OVRD_ROPLL_SSC_EN_MASK | ROPLL_SSC_EN_MASK,
1605 FIELD_PREP(OVRD_ROPLL_SSC_EN_MASK, 0x1) |
1606 FIELD_PREP(ROPLL_SSC_EN_MASK, 0x0));
1607 regmap_write(hdptx->regmap, CMN_REG(0075),
1608 FIELD_PREP(ANA_ROPLL_SSC_FM_DEVIATION_MASK, 0x20));
1609 regmap_update_bits(hdptx->regmap, CMN_REG(0076),
1610 ANA_ROPLL_SSC_FM_FREQ_MASK,
1611 FIELD_PREP(ANA_ROPLL_SSC_FM_FREQ_MASK, 0xc));
1612
1613 regmap_update_bits(hdptx->regmap, CMN_REG(0099), SSC_EN_MASK,
1614 FIELD_PREP(SSC_EN_MASK, 0x0));
1615 }
1616
1617 regmap_update_bits(hdptx->regmap, CMN_REG(0095), DP_TX_LINK_BW_MASK,
1618 FIELD_PREP(DP_TX_LINK_BW_MASK, bw));
1619
1620 regmap_write(hdptx->grf, GRF_HDPTX_CON0,
1621 HDPTX_I_PLL_EN << 16 | FIELD_PREP(HDPTX_I_PLL_EN, 0x1));
1622
1623 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
1624 status, FIELD_GET(HDPTX_O_PLL_LOCK_DONE, status),
1625 50, 1000);
1626 if (ret) {
1627 dev_err(hdptx->dev, "Failed to get phy pll lock: %d\n", ret);
1628 return ret;
1629 }
1630
1631 return 0;
1632 }
1633
rk_hdptx_phy_set_lanes(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1634 static int rk_hdptx_phy_set_lanes(struct rk_hdptx_phy *hdptx,
1635 struct phy_configure_opts_dp *dp)
1636 {
1637 hdptx->lanes = dp->lanes;
1638
1639 regmap_update_bits(hdptx->regmap, LNTOP_REG(0207), LANE_EN_MASK,
1640 FIELD_PREP(LANE_EN_MASK, GENMASK(hdptx->lanes - 1, 0)));
1641
1642 return 0;
1643 }
1644
rk_hdptx_phy_set_voltage(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp,u8 lane)1645 static void rk_hdptx_phy_set_voltage(struct rk_hdptx_phy *hdptx,
1646 struct phy_configure_opts_dp *dp,
1647 u8 lane)
1648 {
1649 const struct tx_drv_ctrl *ctrl;
1650 u32 offset = lane * 0x400;
1651
1652 switch (hdptx->link_rate) {
1653 case 1620:
1654 ctrl = &tx_drv_ctrl_rbr[dp->voltage[lane]][dp->pre[lane]];
1655 regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset,
1656 LN_TX_JEQ_EVEN_CTRL_RBR_MASK,
1657 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_RBR_MASK,
1658 ctrl->tx_jeq_even_ctrl));
1659 regmap_update_bits(hdptx->regmap, LANE_REG(030c) + offset,
1660 LN_TX_JEQ_ODD_CTRL_RBR_MASK,
1661 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_RBR_MASK,
1662 ctrl->tx_jeq_odd_ctrl));
1663 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1664 LN_TX_SER_40BIT_EN_RBR_MASK,
1665 FIELD_PREP(LN_TX_SER_40BIT_EN_RBR_MASK, 0x1));
1666 break;
1667 case 2700:
1668 ctrl = &tx_drv_ctrl_hbr[dp->voltage[lane]][dp->pre[lane]];
1669 regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset,
1670 LN_TX_JEQ_EVEN_CTRL_HBR_MASK,
1671 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR_MASK,
1672 ctrl->tx_jeq_even_ctrl));
1673 regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset,
1674 LN_TX_JEQ_ODD_CTRL_HBR_MASK,
1675 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR_MASK,
1676 ctrl->tx_jeq_odd_ctrl));
1677 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1678 LN_TX_SER_40BIT_EN_HBR_MASK,
1679 FIELD_PREP(LN_TX_SER_40BIT_EN_HBR_MASK, 0x1));
1680 break;
1681 case 5400:
1682 default:
1683 ctrl = &tx_drv_ctrl_hbr2[dp->voltage[lane]][dp->pre[lane]];
1684 regmap_update_bits(hdptx->regmap, LANE_REG(030b) + offset,
1685 LN_TX_JEQ_EVEN_CTRL_HBR2_MASK,
1686 FIELD_PREP(LN_TX_JEQ_EVEN_CTRL_HBR2_MASK,
1687 ctrl->tx_jeq_even_ctrl));
1688 regmap_update_bits(hdptx->regmap, LANE_REG(030d) + offset,
1689 LN_TX_JEQ_ODD_CTRL_HBR2_MASK,
1690 FIELD_PREP(LN_TX_JEQ_ODD_CTRL_HBR2_MASK,
1691 ctrl->tx_jeq_odd_ctrl));
1692 regmap_update_bits(hdptx->regmap, LANE_REG(0311) + offset,
1693 LN_TX_SER_40BIT_EN_HBR2_MASK,
1694 FIELD_PREP(LN_TX_SER_40BIT_EN_HBR2_MASK, 0x1));
1695 break;
1696 }
1697
1698 regmap_update_bits(hdptx->regmap, LANE_REG(0303) + offset,
1699 OVRD_LN_TX_DRV_LVL_CTRL_MASK | LN_TX_DRV_LVL_CTRL_MASK,
1700 FIELD_PREP(OVRD_LN_TX_DRV_LVL_CTRL_MASK, 0x1) |
1701 FIELD_PREP(LN_TX_DRV_LVL_CTRL_MASK,
1702 ctrl->tx_drv_lvl_ctrl));
1703 regmap_update_bits(hdptx->regmap, LANE_REG(0304) + offset,
1704 OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK |
1705 LN_TX_DRV_POST_LVL_CTRL_MASK,
1706 FIELD_PREP(OVRD_LN_TX_DRV_POST_LVL_CTRL_MASK, 0x1) |
1707 FIELD_PREP(LN_TX_DRV_POST_LVL_CTRL_MASK,
1708 ctrl->tx_drv_post_lvl_ctrl));
1709 regmap_update_bits(hdptx->regmap, LANE_REG(0305) + offset,
1710 OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK |
1711 LN_TX_DRV_PRE_LVL_CTRL_MASK,
1712 FIELD_PREP(OVRD_LN_TX_DRV_PRE_LVL_CTRL_MASK, 0x1) |
1713 FIELD_PREP(LN_TX_DRV_PRE_LVL_CTRL_MASK,
1714 ctrl->tx_drv_pre_lvl_ctrl));
1715 regmap_update_bits(hdptx->regmap, LANE_REG(0306) + offset,
1716 LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK |
1717 LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK |
1718 LN_ANA_TX_DRV_ACCDRV_EN_MASK,
1719 FIELD_PREP(LN_ANA_TX_DRV_IDRV_IDN_CTRL_MASK,
1720 ctrl->ana_tx_drv_idrv_idn_ctrl) |
1721 FIELD_PREP(LN_ANA_TX_DRV_IDRV_IUP_CTRL_MASK,
1722 ctrl->ana_tx_drv_idrv_iup_ctrl) |
1723 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_EN_MASK,
1724 ctrl->ana_tx_drv_accdrv_en));
1725 regmap_update_bits(hdptx->regmap, LANE_REG(0307) + offset,
1726 LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK |
1727 LN_ANA_TX_DRV_ACCDRV_CTRL_MASK,
1728 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_POL_SEL_MASK, 0x1) |
1729 FIELD_PREP(LN_ANA_TX_DRV_ACCDRV_CTRL_MASK,
1730 ctrl->ana_tx_drv_accdrv_ctrl));
1731
1732 regmap_update_bits(hdptx->regmap, LANE_REG(030a) + offset,
1733 LN_ANA_TX_JEQ_EN_MASK,
1734 FIELD_PREP(LN_ANA_TX_JEQ_EN_MASK, ctrl->ana_tx_jeq_en));
1735
1736 regmap_update_bits(hdptx->regmap, LANE_REG(0310) + offset,
1737 LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK,
1738 FIELD_PREP(LN_ANA_TX_SYNC_LOSS_DET_MODE_MASK, 0x3));
1739
1740 regmap_update_bits(hdptx->regmap, LANE_REG(0316) + offset,
1741 LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK,
1742 FIELD_PREP(LN_ANA_TX_SER_VREG_GAIN_CTRL_MASK, 0x2));
1743
1744 regmap_update_bits(hdptx->regmap, LANE_REG(031b) + offset,
1745 LN_ANA_TX_RESERVED_MASK,
1746 FIELD_PREP(LN_ANA_TX_RESERVED_MASK, 0x1));
1747 }
1748
rk_hdptx_phy_set_voltages(struct rk_hdptx_phy * hdptx,struct phy_configure_opts_dp * dp)1749 static int rk_hdptx_phy_set_voltages(struct rk_hdptx_phy *hdptx,
1750 struct phy_configure_opts_dp *dp)
1751 {
1752 u8 lane;
1753 u32 status;
1754 int ret;
1755
1756 for (lane = 0; lane < hdptx->lanes; lane++)
1757 rk_hdptx_phy_set_voltage(hdptx, dp, lane);
1758
1759 reset_control_deassert(hdptx->rsts[RST_LANE].rstc);
1760
1761 ret = regmap_read_poll_timeout(hdptx->grf, GRF_HDPTX_STATUS,
1762 status, FIELD_GET(HDPTX_O_PHY_RDY, status),
1763 50, 5000);
1764 if (ret) {
1765 dev_err(hdptx->dev, "Failed to get phy ready: %d\n", ret);
1766 return ret;
1767 }
1768
1769 return 0;
1770 }
1771
rk_hdptx_phy_configure(struct phy * phy,union phy_configure_opts * opts)1772 static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opts)
1773 {
1774 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1775 enum phy_mode mode = phy_get_mode(phy);
1776 int ret;
1777
1778 if (mode != PHY_MODE_DP) {
1779 ret = rk_hdptx_phy_verify_hdmi_config(hdptx, &opts->hdmi);
1780 if (ret) {
1781 dev_err(hdptx->dev, "invalid hdmi params for phy configure\n");
1782 } else {
1783 hdptx->hdmi_cfg = opts->hdmi;
1784 hdptx->restrict_rate_change = true;
1785 }
1786
1787 dev_dbg(hdptx->dev, "%s rate=%llu bpc=%u\n", __func__,
1788 hdptx->hdmi_cfg.tmds_char_rate, hdptx->hdmi_cfg.bpc);
1789 return ret;
1790 }
1791
1792 ret = rk_hdptx_phy_verify_dp_config(hdptx, &opts->dp);
1793 if (ret) {
1794 dev_err(hdptx->dev, "invalid dp params for phy configure\n");
1795 return ret;
1796 }
1797
1798 if (opts->dp.set_rate) {
1799 ret = rk_hdptx_phy_set_rate(hdptx, &opts->dp);
1800 if (ret) {
1801 dev_err(hdptx->dev, "failed to set rate: %d\n", ret);
1802 return ret;
1803 }
1804 }
1805
1806 if (opts->dp.set_lanes) {
1807 ret = rk_hdptx_phy_set_lanes(hdptx, &opts->dp);
1808 if (ret) {
1809 dev_err(hdptx->dev, "failed to set lanes: %d\n", ret);
1810 return ret;
1811 }
1812 }
1813
1814 if (opts->dp.set_voltages) {
1815 ret = rk_hdptx_phy_set_voltages(hdptx, &opts->dp);
1816 if (ret) {
1817 dev_err(hdptx->dev, "failed to set voltages: %d\n",
1818 ret);
1819 return ret;
1820 }
1821 }
1822
1823 return 0;
1824 }
1825
rk_hdptx_phy_validate(struct phy * phy,enum phy_mode mode,int submode,union phy_configure_opts * opts)1826 static int rk_hdptx_phy_validate(struct phy *phy, enum phy_mode mode,
1827 int submode, union phy_configure_opts *opts)
1828 {
1829 struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy);
1830
1831 if (mode != PHY_MODE_DP)
1832 return rk_hdptx_phy_verify_hdmi_config(hdptx, &opts->hdmi);
1833
1834 return rk_hdptx_phy_verify_dp_config(hdptx, &opts->dp);
1835 }
1836
1837 static const struct phy_ops rk_hdptx_phy_ops = {
1838 .power_on = rk_hdptx_phy_power_on,
1839 .power_off = rk_hdptx_phy_power_off,
1840 .configure = rk_hdptx_phy_configure,
1841 .validate = rk_hdptx_phy_validate,
1842 .owner = THIS_MODULE,
1843 };
1844
to_rk_hdptx_phy(struct clk_hw * hw)1845 static struct rk_hdptx_phy *to_rk_hdptx_phy(struct clk_hw *hw)
1846 {
1847 return container_of(hw, struct rk_hdptx_phy, hw);
1848 }
1849
rk_hdptx_phy_clk_prepare(struct clk_hw * hw)1850 static int rk_hdptx_phy_clk_prepare(struct clk_hw *hw)
1851 {
1852 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
1853
1854 return rk_hdptx_phy_consumer_get(hdptx);
1855 }
1856
rk_hdptx_phy_clk_unprepare(struct clk_hw * hw)1857 static void rk_hdptx_phy_clk_unprepare(struct clk_hw *hw)
1858 {
1859 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
1860
1861 rk_hdptx_phy_consumer_put(hdptx, true);
1862 }
1863
rk_hdptx_phy_clk_recalc_rate(struct clk_hw * hw,unsigned long parent_rate)1864 static unsigned long rk_hdptx_phy_clk_recalc_rate(struct clk_hw *hw,
1865 unsigned long parent_rate)
1866 {
1867 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
1868
1869 return hdptx->hw_rate;
1870 }
1871
rk_hdptx_phy_clk_round_rate(struct clk_hw * hw,unsigned long rate,unsigned long * parent_rate)1872 static long rk_hdptx_phy_clk_round_rate(struct clk_hw *hw, unsigned long rate,
1873 unsigned long *parent_rate)
1874 {
1875 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
1876
1877 /*
1878 * FIXME: Temporarily allow altering TMDS char rate via CCF.
1879 * To be dropped as soon as the RK DW HDMI QP bridge driver
1880 * switches to make use of phy_configure().
1881 */
1882 if (!hdptx->restrict_rate_change && rate != hdptx->hdmi_cfg.tmds_char_rate) {
1883 struct phy_configure_opts_hdmi hdmi = {
1884 .tmds_char_rate = rate,
1885 };
1886 int ret = rk_hdptx_phy_verify_hdmi_config(hdptx, &hdmi);
1887
1888 if (ret)
1889 return ret;
1890
1891 hdptx->hdmi_cfg = hdmi;
1892 }
1893
1894 /*
1895 * The TMDS char rate shall be adjusted via phy_configure() only,
1896 * hence ensure rk_hdptx_phy_clk_set_rate() won't be invoked with
1897 * a different rate argument.
1898 */
1899 return hdptx->hdmi_cfg.tmds_char_rate;
1900 }
1901
rk_hdptx_phy_clk_set_rate(struct clk_hw * hw,unsigned long rate,unsigned long parent_rate)1902 static int rk_hdptx_phy_clk_set_rate(struct clk_hw *hw, unsigned long rate,
1903 unsigned long parent_rate)
1904 {
1905 struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw);
1906
1907 /* Revert any unlikely TMDS char rate change since round_rate() */
1908 if (hdptx->hdmi_cfg.tmds_char_rate != rate) {
1909 dev_warn(hdptx->dev, "Reverting unexpected rate change from %lu to %llu\n",
1910 rate, hdptx->hdmi_cfg.tmds_char_rate);
1911 hdptx->hdmi_cfg.tmds_char_rate = rate;
1912 }
1913
1914 /*
1915 * The TMDS char rate would be normally programmed in HW during
1916 * phy_ops.power_on() or clk_ops.prepare() callbacks, but it might
1917 * happen that the former gets fired too late, i.e. after this call,
1918 * while the latter being executed only once, i.e. when clock remains
1919 * in the prepared state during rate changes.
1920 */
1921 return rk_hdptx_ropll_tmds_cmn_config(hdptx);
1922 }
1923
1924 static const struct clk_ops hdptx_phy_clk_ops = {
1925 .prepare = rk_hdptx_phy_clk_prepare,
1926 .unprepare = rk_hdptx_phy_clk_unprepare,
1927 .recalc_rate = rk_hdptx_phy_clk_recalc_rate,
1928 .round_rate = rk_hdptx_phy_clk_round_rate,
1929 .set_rate = rk_hdptx_phy_clk_set_rate,
1930 };
1931
rk_hdptx_phy_clk_register(struct rk_hdptx_phy * hdptx)1932 static int rk_hdptx_phy_clk_register(struct rk_hdptx_phy *hdptx)
1933 {
1934 struct device *dev = hdptx->dev;
1935 const char *name, *pname;
1936 struct clk *refclk;
1937 int ret;
1938
1939 refclk = devm_clk_get(dev, "ref");
1940 if (IS_ERR(refclk))
1941 return dev_err_probe(dev, PTR_ERR(refclk),
1942 "Failed to get ref clock\n");
1943
1944 name = hdptx->phy_id > 0 ? "clk_hdmiphy_pixel1" : "clk_hdmiphy_pixel0";
1945 pname = __clk_get_name(refclk);
1946
1947 hdptx->hw.init = CLK_HW_INIT(name, pname, &hdptx_phy_clk_ops,
1948 CLK_GET_RATE_NOCACHE);
1949
1950 ret = devm_clk_hw_register(dev, &hdptx->hw);
1951 if (ret)
1952 return dev_err_probe(dev, ret, "Failed to register clock\n");
1953
1954 ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, &hdptx->hw);
1955 if (ret)
1956 return dev_err_probe(dev, ret,
1957 "Failed to register clk provider\n");
1958 return 0;
1959 }
1960
rk_hdptx_phy_runtime_suspend(struct device * dev)1961 static int rk_hdptx_phy_runtime_suspend(struct device *dev)
1962 {
1963 struct rk_hdptx_phy *hdptx = dev_get_drvdata(dev);
1964
1965 clk_bulk_disable_unprepare(hdptx->nr_clks, hdptx->clks);
1966
1967 return 0;
1968 }
1969
rk_hdptx_phy_runtime_resume(struct device * dev)1970 static int rk_hdptx_phy_runtime_resume(struct device *dev)
1971 {
1972 struct rk_hdptx_phy *hdptx = dev_get_drvdata(dev);
1973 int ret;
1974
1975 ret = clk_bulk_prepare_enable(hdptx->nr_clks, hdptx->clks);
1976 if (ret)
1977 dev_err(hdptx->dev, "Failed to enable clocks: %d\n", ret);
1978
1979 return ret;
1980 }
1981
rk_hdptx_phy_probe(struct platform_device * pdev)1982 static int rk_hdptx_phy_probe(struct platform_device *pdev)
1983 {
1984 const struct rk_hdptx_phy_cfg *cfgs;
1985 struct phy_provider *phy_provider;
1986 struct device *dev = &pdev->dev;
1987 struct rk_hdptx_phy *hdptx;
1988 struct resource *res;
1989 void __iomem *regs;
1990 int ret, id;
1991
1992 hdptx = devm_kzalloc(dev, sizeof(*hdptx), GFP_KERNEL);
1993 if (!hdptx)
1994 return -ENOMEM;
1995
1996 hdptx->dev = dev;
1997 hdptx->hdmi_cfg.bpc = 8;
1998
1999 regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
2000 if (IS_ERR(regs))
2001 return dev_err_probe(dev, PTR_ERR(regs),
2002 "Failed to ioremap resource\n");
2003
2004 cfgs = device_get_match_data(dev);
2005 if (!cfgs)
2006 return dev_err_probe(dev, -EINVAL, "missing match data\n");
2007
2008 /* find the phy-id from the io address */
2009 hdptx->phy_id = -ENODEV;
2010 for (id = 0; id < cfgs->num_phys; id++) {
2011 if (res->start == cfgs->phy_ids[id]) {
2012 hdptx->phy_id = id;
2013 break;
2014 }
2015 }
2016
2017 if (hdptx->phy_id < 0)
2018 return dev_err_probe(dev, -ENODEV, "no matching device found\n");
2019
2020 ret = devm_clk_bulk_get_all(dev, &hdptx->clks);
2021 if (ret < 0)
2022 return dev_err_probe(dev, ret, "Failed to get clocks\n");
2023 if (ret == 0)
2024 return dev_err_probe(dev, -EINVAL, "Missing clocks\n");
2025
2026 hdptx->nr_clks = ret;
2027
2028 hdptx->regmap = devm_regmap_init_mmio(dev, regs,
2029 &rk_hdptx_phy_regmap_config);
2030 if (IS_ERR(hdptx->regmap))
2031 return dev_err_probe(dev, PTR_ERR(hdptx->regmap),
2032 "Failed to init regmap\n");
2033
2034 hdptx->rsts[RST_APB].id = "apb";
2035 hdptx->rsts[RST_INIT].id = "init";
2036 hdptx->rsts[RST_CMN].id = "cmn";
2037 hdptx->rsts[RST_LANE].id = "lane";
2038
2039 ret = devm_reset_control_bulk_get_exclusive(dev, RST_MAX, hdptx->rsts);
2040 if (ret)
2041 return dev_err_probe(dev, ret, "Failed to get resets\n");
2042
2043 hdptx->grf = syscon_regmap_lookup_by_phandle(dev->of_node,
2044 "rockchip,grf");
2045 if (IS_ERR(hdptx->grf))
2046 return dev_err_probe(dev, PTR_ERR(hdptx->grf),
2047 "Could not get GRF syscon\n");
2048
2049 platform_set_drvdata(pdev, hdptx);
2050
2051 ret = devm_pm_runtime_enable(dev);
2052 if (ret)
2053 return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
2054
2055 hdptx->phy = devm_phy_create(dev, NULL, &rk_hdptx_phy_ops);
2056 if (IS_ERR(hdptx->phy))
2057 return dev_err_probe(dev, PTR_ERR(hdptx->phy),
2058 "Failed to create HDMI PHY\n");
2059
2060 phy_set_drvdata(hdptx->phy, hdptx);
2061 phy_set_bus_width(hdptx->phy, 8);
2062
2063 phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
2064 if (IS_ERR(phy_provider))
2065 return dev_err_probe(dev, PTR_ERR(phy_provider),
2066 "Failed to register PHY provider\n");
2067
2068 reset_control_deassert(hdptx->rsts[RST_APB].rstc);
2069 reset_control_deassert(hdptx->rsts[RST_CMN].rstc);
2070 reset_control_deassert(hdptx->rsts[RST_INIT].rstc);
2071
2072 return rk_hdptx_phy_clk_register(hdptx);
2073 }
2074
2075 static const struct dev_pm_ops rk_hdptx_phy_pm_ops = {
2076 RUNTIME_PM_OPS(rk_hdptx_phy_runtime_suspend,
2077 rk_hdptx_phy_runtime_resume, NULL)
2078 };
2079
2080 static const struct rk_hdptx_phy_cfg rk3576_hdptx_phy_cfgs = {
2081 .num_phys = 1,
2082 .phy_ids = {
2083 0x2b000000,
2084 },
2085 };
2086
2087 static const struct rk_hdptx_phy_cfg rk3588_hdptx_phy_cfgs = {
2088 .num_phys = 2,
2089 .phy_ids = {
2090 0xfed60000,
2091 0xfed70000,
2092 },
2093 };
2094
2095 static const struct of_device_id rk_hdptx_phy_of_match[] = {
2096 {
2097 .compatible = "rockchip,rk3576-hdptx-phy",
2098 .data = &rk3576_hdptx_phy_cfgs
2099 },
2100 {
2101 .compatible = "rockchip,rk3588-hdptx-phy",
2102 .data = &rk3588_hdptx_phy_cfgs
2103 },
2104 {}
2105 };
2106 MODULE_DEVICE_TABLE(of, rk_hdptx_phy_of_match);
2107
2108 static struct platform_driver rk_hdptx_phy_driver = {
2109 .probe = rk_hdptx_phy_probe,
2110 .driver = {
2111 .name = "rockchip-hdptx-phy",
2112 .pm = &rk_hdptx_phy_pm_ops,
2113 .of_match_table = rk_hdptx_phy_of_match,
2114 },
2115 };
2116 module_platform_driver(rk_hdptx_phy_driver);
2117
2118 MODULE_AUTHOR("Algea Cao <algea.cao@rock-chips.com>");
2119 MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@collabora.com>");
2120 MODULE_AUTHOR("Damon Ding <damon.ding@rock-chips.com>");
2121 MODULE_DESCRIPTION("Samsung HDMI/eDP Transmitter Combo PHY Driver");
2122 MODULE_LICENSE("GPL");
2123