1 // SPDX-License-Identifier: GPL-2.0
5  * Author: Shunqing Chen <csq@rock-chisp.com>
24 	ret = -1;  in rk628_combrxphy_try_clk_detect()
27 	/* step2: select pll clock src and enable auto check */  in rk628_combrxphy_try_clk_detect()
34 	 * make sure auto setup done.  in rk628_combrxphy_try_clk_detect()
36 	/* auto fsm reset related */  in rk628_combrxphy_try_clk_detect()
62 	/* auto fsm en = 0 */  in rk628_combrxphy_try_clk_detect()
73 			dev_info(rk628->dev, "clock detected!\n");  in rk628_combrxphy_try_clk_detect()
147 			cnt = cnt + 100 - data_in[i];  in rk628_combrxphy_max_zero_of_round()
153 	dev_info(rk628->dev, "channel:%d, round:%d, max_zero_cnt:%d, max_val:%#x\n",  in rk628_combrxphy_max_zero_of_round()
176 	dev_info(rk628->dev, "%s channel:%d, rd:%d\n", __func__, ch, rd);  in rk628_combrxphy_chose_round_for_ch()
295 	dev_info(rk628->dev, "cdr_mode:%d, dc_gain:%d, rd_offset:%d, edge:%#x\n",  in rk628_combrxphy_sample_edge_procedure_for_cable()
318 				n - rd_offset, ch);  in rk628_combrxphy_sample_edge_procedure_for_cable()
331 	dev_info(rk628->dev, "last equ gain ch0:%d, ch1:%d, ch2:%d\n",  in rk628_combrxphy_sample_edge_procedure_for_cable()
355 	 * use the mode of automatic clock detection, only supports fixed TMDS  in rk628_combrxphy_set_hdmi_mode_for_cable()
392 	dev_info(rk628->dev, "clk det over cnt:%d, reg_0x6654:%#x\n", i, val);  in rk628_combrxphy_set_hdmi_mode_for_cable()
395 		dev_info(rk628->dev, "Clock detection anomaly\n");  in rk628_combrxphy_set_hdmi_mode_for_cable()
398 		dev_info(rk628->dev, "%s%s%s%s%s%s%s%s level detection anomaly\n",  in rk628_combrxphy_set_hdmi_mode_for_cable()
415 		dev_info(rk628->dev, "clock detected failed, cfg resistance manual!\n");  in rk628_combrxphy_set_hdmi_mode_for_cable()
436 		if (((cdr_data_max - cdr_data_min) <= CLK_STABLE_THRESHOLD) &&  in rk628_combrxphy_set_hdmi_mode_for_cable()
438 			dev_info(rk628->dev, "clock stable!");  in rk628_combrxphy_set_hdmi_mode_for_cable()
446 		dev_err(rk628->dev,  in rk628_combrxphy_set_hdmi_mode_for_cable()
449 		/* bypass level detection anomaly */  in rk628_combrxphy_set_hdmi_mode_for_cable()
453 			return -EINVAL;  in rk628_combrxphy_set_hdmi_mode_for_cable()
460 		dev_err(rk628->dev,  in rk628_combrxphy_set_hdmi_mode_for_cable()
464 		return -EINVAL;  in rk628_combrxphy_set_hdmi_mode_for_cable()
469 	dev_info(rk628->dev, "cdr_mode:%d, cdr_data:%d\n", cdr_mode, cdr_data);  in rk628_combrxphy_set_hdmi_mode_for_cable()
474 	dev_info(rk628->dev, "f:%d\n", f);  in rk628_combrxphy_set_hdmi_mode_for_cable()
511 	dev_info(rk628->dev, "cdr_mode:%d, pll_man:%#x\n", cdr_mode, pll_man);  in rk628_combrxphy_set_hdmi_mode_for_cable()
545 		dev_info(rk628->dev, "channel alignment done\n");  in rk628_combrxphy_set_hdmi_mode_for_cable()
546 		dev_info(rk628->dev, "rx initial done\n");  in rk628_combrxphy_set_hdmi_mode_for_cable()
549 		dev_info(rk628->dev, "link not stable, count:%d of 100\n", count);  in rk628_combrxphy_set_hdmi_mode_for_cable()
552 		dev_err(rk628->dev, "channel alignment failed!\n");  in rk628_combrxphy_set_hdmi_mode_for_cable()
553 		ret = -EINVAL;  in rk628_combrxphy_set_hdmi_mode_for_cable()