1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm_hubs.c  --  WM8993/4 common code
5  * Copyright 2009-12 Wolfson Microelectronics plc
27 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
30 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
32 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
33 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
34 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
35 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
36 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
41 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
44 	"SPKVDD/2",
72 	dev_dbg(component->dev, "Waiting for DC servo...\n");  in wait_for_dc_servo()
74 	if (hubs->dcs_done_irq)  in wait_for_dc_servo()
82 		if (hubs->dcs_done_irq)  in wait_for_dc_servo()
83 			wait_for_completion_timeout(&hubs->dcs_done,  in wait_for_dc_servo()
89 		dev_dbg(component->dev, "DC servo: %x\n", reg);  in wait_for_dc_servo()
93 		dev_err(component->dev, "Timed out waiting for DC Servo %x\n",  in wait_for_dc_servo()
101 	complete(&hubs->dcs_done);  in wm_hubs_dcs_done()
115 			dev_vdbg(component->dev, "Analogue paths connected: %x\n",  in wm_hubs_dac_hp_direct()
119 			dev_vdbg(component->dev, "HPL connected to mixer\n");  in wm_hubs_dac_hp_direct()
122 		dev_vdbg(component->dev, "HPL connected to DAC\n");  in wm_hubs_dac_hp_direct()
128 			dev_vdbg(component->dev, "Analogue paths connected: %x\n",  in wm_hubs_dac_hp_direct()
132 			dev_vdbg(component->dev, "HPR connected to mixer\n");  in wm_hubs_dac_hp_direct()
135 		dev_vdbg(component->dev, "HPR connected to DAC\n");  in wm_hubs_dac_hp_direct()
161 	list_for_each_entry(cache, &hubs->dcs_cache, list) {  in wm_hubs_dcs_cache_get()
162 		if (cache->left != left || cache->right != right)  in wm_hubs_dcs_cache_get()
177 	if (hubs->no_cache_dac_hp_direct)  in wm_hubs_dcs_cache_set()
180 	cache = devm_kzalloc(component->dev, sizeof(*cache), GFP_KERNEL);  in wm_hubs_dcs_cache_set()
184 	cache->left = snd_soc_component_read(component, WM8993_LEFT_OUTPUT_VOLUME);  in wm_hubs_dcs_cache_set()
185 	cache->left &= WM8993_HPOUT1L_VOL_MASK;  in wm_hubs_dcs_cache_set()
187 	cache->right = snd_soc_component_read(component, WM8993_RIGHT_OUTPUT_VOLUME);  in wm_hubs_dcs_cache_set()
188 	cache->right &= WM8993_HPOUT1R_VOL_MASK;  in wm_hubs_dcs_cache_set()
190 	cache->dcs_cfg = dcs_cfg;  in wm_hubs_dcs_cache_set()
192 	list_add_tail(&cache->list, &hubs->dcs_cache);  in wm_hubs_dcs_cache_set()
202 	switch (hubs->dcs_readback_mode) {  in wm_hubs_read_dc_servo()
217 	switch (hubs->dcs_readback_mode) {  in wm_hubs_read_dc_servo()
233 		ret = -1;  in wm_hubs_read_dc_servo()
248 	switch (hubs->dcs_readback_mode) {  in enable_dc_servo()
261 		dev_dbg(component->dev, "Using cached DCS offset %x for %d,%d\n",  in enable_dc_servo()
262 			cache->dcs_cfg, cache->left, cache->right);  in enable_dc_servo()
263 		snd_soc_component_write(component, dcs_reg, cache->dcs_cfg);  in enable_dc_servo()
270 	if (hubs->series_startup) {  in enable_dc_servo()
287 	dev_dbg(component->dev, "DCS input: %x %x\n", reg_l, reg_r);  in enable_dc_servo()
290 	if (hubs->dcs_codes_l || hubs->dcs_codes_r) {  in enable_dc_servo()
291 		dev_dbg(component->dev,  in enable_dc_servo()
293 			hubs->dcs_codes_l, hubs->dcs_codes_r);  in enable_dc_servo()
297 		dev_dbg(component->dev, "DCS right %d->%d\n", offset,  in enable_dc_servo()
298 			offset + hubs->dcs_codes_r);  in enable_dc_servo()
299 		offset += hubs->dcs_codes_r;  in enable_dc_servo()
304 		dev_dbg(component->dev, "DCS left %d->%d\n", offset,  in enable_dc_servo()
305 			offset + hubs->dcs_codes_l);  in enable_dc_servo()
306 		offset += hubs->dcs_codes_l;  in enable_dc_servo()
309 		dev_dbg(component->dev, "DCS result: %x\n", dcs_cfg);  in enable_dc_servo()
341 	if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)  in wm8993_put_dc_servo()
498 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in hp_supply_event()
503 		switch (hubs->hp_startup_mode) {  in hp_supply_event()
522 			dev_err(component->dev, "Unknown HP startup mode %d\n",  in hp_supply_event()
523 				hubs->hp_startup_mode);  in hp_supply_event()
540 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in hp_event()
592 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in earpiece_event()
617 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in lineout_event()
621 	switch (w->shift) {  in lineout_event()
623 		flag = &hubs->lineout1n_ena;  in lineout_event()
626 		flag = &hubs->lineout1p_ena;  in lineout_event()
629 		flag = &hubs->lineout2n_ena;  in lineout_event()
632 		flag = &hubs->lineout2p_ena;  in lineout_event()
636 		return -EINVAL;  in lineout_event()
647 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in micbias_event()
650 	switch (w->shift) {  in micbias_event()
652 		if (hubs->micb1_delay)  in micbias_event()
653 			msleep(hubs->micb1_delay);  in micbias_event()
656 		if (hubs->micb2_delay)  in micbias_event()
657 			msleep(hubs->micb2_delay);  in micbias_event()
660 		return -EINVAL;  in micbias_event()
674 	if (hubs->check_class_w_digital && !hubs->check_class_w_digital(component))  in wm_hubs_update_class_w()
677 	dev_vdbg(component->dev, "Class W %s\n", enable ? "enabled" : "disabled");  in wm_hubs_update_class_w()
883 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event, 
1058 	{ "Headphone PGA", NULL, "Headphone Supply" },
1160 	hubs->component = component;  in wm_hubs_add_analogue_routes()
1162 	INIT_LIST_HEAD(&hubs->dcs_cache);  in wm_hubs_add_analogue_routes()
1163 	init_completion(&hubs->dcs_done);  in wm_hubs_add_analogue_routes()
1199 	hubs->lineout1_se = !lineout1_diff;  in wm_hubs_handle_analogue_pdata()
1200 	hubs->lineout2_se = !lineout2_diff;  in wm_hubs_handle_analogue_pdata()
1201 	hubs->micb1_delay = micbias1_delay;  in wm_hubs_handle_analogue_pdata()
1202 	hubs->micb2_delay = micbias2_delay;  in wm_hubs_handle_analogue_pdata()
1226 	if (!hubs->micd_scthr)  in wm_hubs_handle_analogue_pdata()
1246 	if (hubs->lineout1_se)  in wm_hubs_vmid_ena()
1249 	if (hubs->lineout2_se)  in wm_hubs_vmid_ena()
1275 		if (hubs->lineout1_se)  in wm_hubs_set_bias_level()
1278 		if (hubs->lineout2_se)  in wm_hubs_set_bias_level()
1281 		if (hubs->lineout1_se && hubs->lineout1n_ena)  in wm_hubs_set_bias_level()
1284 		if (hubs->lineout1_se && hubs->lineout1p_ena)  in wm_hubs_set_bias_level()
1287 		if (hubs->lineout2_se && hubs->lineout2n_ena)  in wm_hubs_set_bias_level()
1290 		if (hubs->lineout2_se && hubs->lineout2p_ena)  in wm_hubs_set_bias_level()