3  * wm8904.c  --  WM8904 ALSA SoC Audio driver
25 #include <sound/wm8904.h>
27 #include "wm8904.h"
30 	WM8904,  enumerator
316 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_configure_clocking()  local
325 	switch (wm8904->sysclk_src) {  in wm8904_configure_clocking()
327 		dev_dbg(component->dev, "Using %dHz MCLK\n", wm8904->mclk_rate);  in wm8904_configure_clocking()
330 		rate = wm8904->mclk_rate;  in wm8904_configure_clocking()
339 			wm8904->fll_fout);  in wm8904_configure_clocking()
342 		rate = wm8904->fll_fout;  in wm8904_configure_clocking()
353 		wm8904->sysclk_rate = rate / 2;  in wm8904_configure_clocking()
356 		wm8904->sysclk_rate = rate;  in wm8904_configure_clocking()
365 	dev_dbg(component->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate);  in wm8904_configure_clocking()
372 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_drc()  local
373 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_set_drc()
381 				    pdata->drc_cfgs[wm8904->drc_cfg].regs[i]);  in wm8904_set_drc()
392 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_put_drc_enum()  local
393 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_put_drc_enum()
399 	wm8904->drc_cfg = value;  in wm8904_put_drc_enum()
410 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_get_drc_enum()  local
412 	ucontrol->value.enumerated.item[0] = wm8904->drc_cfg;  in wm8904_get_drc_enum()
419 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_retune_mobile()  local
420 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_set_retune_mobile()
423 	if (!pdata || !wm8904->num_retune_mobile_texts)  in wm8904_set_retune_mobile()
428 	cfg = wm8904->retune_mobile_cfg;  in wm8904_set_retune_mobile()
433 			   wm8904->retune_mobile_texts[cfg]) == 0 &&  in wm8904_set_retune_mobile()
435 			- wm8904->fs) < best_val) {  in wm8904_set_retune_mobile()
438 				       - wm8904->fs);  in wm8904_set_retune_mobile()
445 		wm8904->fs);  in wm8904_set_retune_mobile()
463 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_put_retune_mobile_enum()  local
464 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_put_retune_mobile_enum()
470 	wm8904->retune_mobile_cfg = value;  in wm8904_put_retune_mobile_enum()
481 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_get_retune_mobile_enum()  local
483 	ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg;  in wm8904_get_retune_mobile_enum()
492 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_deemph()  local
498 	if (wm8904->deemph) {  in wm8904_set_deemph()
501 			if (abs(deemph_settings[i] - wm8904->fs) <  in wm8904_set_deemph()
502 			    abs(deemph_settings[best] - wm8904->fs))  in wm8904_set_deemph()
521 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_get_deemph()  local
523 	ucontrol->value.integer.value[0] = wm8904->deemph;  in wm8904_get_deemph()
531 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_put_deemph()  local
537 	wm8904->deemph = deemph;  in wm8904_put_deemph()
657 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in sysclk_event()  local
666 		switch (wm8904->sysclk_src) {  in sysclk_event()
695 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in out_pga_event()  local
759 		if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) {  in out_pga_event()
763 				      wm8904->dcs_state[dcs_l]);  in out_pga_event()
765 				      wm8904->dcs_state[dcs_r]);  in out_pga_event()
824 		wm8904->dcs_state[dcs_l] = snd_soc_component_read(component, dcs_l_reg);  in out_pga_event()
825 		wm8904->dcs_state[dcs_r] = snd_soc_component_read(component, dcs_r_reg);  in out_pga_event()
1186 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_add_widgets()  local
1194 	switch (wm8904->devtype) {  in wm8904_add_widgets()
1195 	case WM8904:  in wm8904_add_widgets()
1298 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_hw_params()  local
1307 	wm8904->fs = params_rate(params);  in wm8904_hw_params()
1308 	if (wm8904->tdm_slots) {  in wm8904_hw_params()
1310 			wm8904->tdm_slots, wm8904->tdm_width);  in wm8904_hw_params()
1311 		wm8904->bclk = snd_soc_calc_bclk(wm8904->fs,  in wm8904_hw_params()
1312 						 wm8904->tdm_width, 2,  in wm8904_hw_params()
1313 						 wm8904->tdm_slots);  in wm8904_hw_params()
1315 		wm8904->bclk = snd_soc_params_to_bclk(params);  in wm8904_hw_params()
1335 	dev_dbg(component->dev, "Target BCLK is %dHz\n", wm8904->bclk);  in wm8904_hw_params()
1343 	best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio)  in wm8904_hw_params()
1344 		       - wm8904->fs);  in wm8904_hw_params()
1346 		cur_val = abs((wm8904->sysclk_rate /  in wm8904_hw_params()
1347 			       clk_sys_rates[i].ratio) - wm8904->fs);  in wm8904_hw_params()
1360 	best_val = abs(wm8904->fs - sample_rates[0].rate);  in wm8904_hw_params()
1363 		cur_val = abs(wm8904->fs - sample_rates[i].rate);  in wm8904_hw_params()
1375 	if (wm8904->fs <= 24000)  in wm8904_hw_params()
1382 		cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div)  in wm8904_hw_params()
1383 			- wm8904->bclk;  in wm8904_hw_params()
1391 	wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div;  in wm8904_hw_params()
1393 		bclk_divs[best].div, wm8904->bclk);  in wm8904_hw_params()
1397 	dev_dbg(component->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs);  in wm8904_hw_params()
1398 	aif3 |= wm8904->bclk / wm8904->fs;  in wm8904_hw_params()
1514 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_tdm_slot()  local
1549 	wm8904->tdm_width = slot_width;  in wm8904_set_tdm_slot()
1550 	wm8904->tdm_slots = slots / 2;  in wm8904_set_tdm_slot()
1671 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_fll()  local
1677 	if (source == wm8904->fll_src && Fref == wm8904->fll_fref &&  in wm8904_set_fll()
1678 	    Fout == wm8904->fll_fout)  in wm8904_set_fll()
1686 		wm8904->fll_fref = 0;  in wm8904_set_fll()
1687 		wm8904->fll_fout = 0;  in wm8904_set_fll()
1788 	wm8904->fll_fref = Fref;  in wm8904_set_fll()
1789 	wm8904->fll_fout = Fout;  in wm8904_set_fll()
1790 	wm8904->fll_src = source;  in wm8904_set_fll()
1874 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_set_bias_level()  local
1894 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),  in wm8904_set_bias_level()
1895 						    wm8904->supplies);  in wm8904_set_bias_level()
1903 			ret = clk_prepare_enable(wm8904->mclk);  in wm8904_set_bias_level()
1907 				regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies),  in wm8904_set_bias_level()
1908 						       wm8904->supplies);  in wm8904_set_bias_level()
1912 			regcache_cache_only(wm8904->regmap, false);  in wm8904_set_bias_level()
1913 			regcache_sync(wm8904->regmap);  in wm8904_set_bias_level()
1950 		regcache_cache_only(wm8904->regmap, true);  in wm8904_set_bias_level()
1951 		regcache_mark_dirty(wm8904->regmap);  in wm8904_set_bias_level()
1953 		regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies),  in wm8904_set_bias_level()
1954 				       wm8904->supplies);  in wm8904_set_bias_level()
1955 		clk_disable_unprepare(wm8904->mclk);  in wm8904_set_bias_level()
1977 	.name = "wm8904-hifi",
1998 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_handle_retune_mobile_pdata()  local
1999 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_handle_retune_mobile_pdata()
2002 			     wm8904->retune_mobile_enum,  in wm8904_handle_retune_mobile_pdata()
2012 	wm8904->num_retune_mobile_texts = 0;  in wm8904_handle_retune_mobile_pdata()
2013 	wm8904->retune_mobile_texts = NULL;  in wm8904_handle_retune_mobile_pdata()
2015 		for (j = 0; j < wm8904->num_retune_mobile_texts; j++) {  in wm8904_handle_retune_mobile_pdata()
2017 				   wm8904->retune_mobile_texts[j]) == 0)  in wm8904_handle_retune_mobile_pdata()
2021 		if (j != wm8904->num_retune_mobile_texts)  in wm8904_handle_retune_mobile_pdata()
2025 		t = krealloc(wm8904->retune_mobile_texts,  in wm8904_handle_retune_mobile_pdata()
2027 			     (wm8904->num_retune_mobile_texts + 1),  in wm8904_handle_retune_mobile_pdata()
2033 		t[wm8904->num_retune_mobile_texts] =   in wm8904_handle_retune_mobile_pdata()
2037 		wm8904->num_retune_mobile_texts++;  in wm8904_handle_retune_mobile_pdata()
2038 		wm8904->retune_mobile_texts = t;  in wm8904_handle_retune_mobile_pdata()
2042 		wm8904->num_retune_mobile_texts);  in wm8904_handle_retune_mobile_pdata()
2044 	wm8904->retune_mobile_enum.items = wm8904->num_retune_mobile_texts;  in wm8904_handle_retune_mobile_pdata()
2045 	wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts;  in wm8904_handle_retune_mobile_pdata()
2055 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_handle_pdata()  local
2056 	struct wm8904_pdata *pdata = wm8904->pdata;  in wm8904_handle_pdata()
2069 			SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum,  in wm8904_handle_pdata()
2073 		wm8904->drc_texts = kmalloc_array(pdata->num_drc_cfgs,  in wm8904_handle_pdata()
2076 		if (!wm8904->drc_texts)  in wm8904_handle_pdata()
2080 			wm8904->drc_texts[i] = pdata->drc_cfgs[i].name;  in wm8904_handle_pdata()
2082 		wm8904->drc_enum.items = pdata->num_drc_cfgs;  in wm8904_handle_pdata()
2083 		wm8904->drc_enum.texts = wm8904->drc_texts;  in wm8904_handle_pdata()
2106 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_probe()  local
2108 	switch (wm8904->devtype) {  in wm8904_probe()
2109 	case WM8904:  in wm8904_probe()
2116 			wm8904->devtype);  in wm8904_probe()
2129 	struct wm8904_priv *wm8904 = snd_soc_component_get_drvdata(component);  in wm8904_remove()  local
2131 	kfree(wm8904->retune_mobile_texts);  in wm8904_remove()
2132 	kfree(wm8904->drc_texts);  in wm8904_remove()
2159 		.compatible = "wlf,wm8904",
2160 		.data = (void *)WM8904,
2175 	struct wm8904_priv *wm8904;  in wm8904_i2c_probe()  local
2179 	wm8904 = devm_kzalloc(&i2c->dev, sizeof(struct wm8904_priv),  in wm8904_i2c_probe()
2181 	if (wm8904 == NULL)  in wm8904_i2c_probe()
2184 	wm8904->mclk = devm_clk_get(&i2c->dev, "mclk");  in wm8904_i2c_probe()
2185 	if (IS_ERR(wm8904->mclk)) {  in wm8904_i2c_probe()
2186 		ret = PTR_ERR(wm8904->mclk);  in wm8904_i2c_probe()
2191 	wm8904->regmap = devm_regmap_init_i2c(i2c, &wm8904_regmap);  in wm8904_i2c_probe()
2192 	if (IS_ERR(wm8904->regmap)) {  in wm8904_i2c_probe()
2193 		ret = PTR_ERR(wm8904->regmap);  in wm8904_i2c_probe()
2205 		wm8904->devtype = (uintptr_t)match->data;  in wm8904_i2c_probe()
2209 		wm8904->devtype = id->driver_data;  in wm8904_i2c_probe()
2212 	i2c_set_clientdata(i2c, wm8904);  in wm8904_i2c_probe()
2213 	wm8904->pdata = i2c->dev.platform_data;  in wm8904_i2c_probe()
2215 	for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++)  in wm8904_i2c_probe()
2216 		wm8904->supplies[i].supply = wm8904_supply_names[i];  in wm8904_i2c_probe()
2218 	ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8904->supplies),  in wm8904_i2c_probe()
2219 				      wm8904->supplies);  in wm8904_i2c_probe()
2225 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies),  in wm8904_i2c_probe()
2226 				    wm8904->supplies);  in wm8904_i2c_probe()
2232 	ret = regmap_read(wm8904->regmap, WM8904_SW_RESET_AND_ID, &val);  in wm8904_i2c_probe()
2238 		dev_err(&i2c->dev, "Device is not a WM8904, ID is %x\n", val);  in wm8904_i2c_probe()
2243 	ret = regmap_read(wm8904->regmap, WM8904_REVISION, &val);  in wm8904_i2c_probe()
2251 	ret = regmap_write(wm8904->regmap, WM8904_SW_RESET_AND_ID, 0);  in wm8904_i2c_probe()
2258 	regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_LEFT,  in wm8904_i2c_probe()
2260 	regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_RIGHT,  in wm8904_i2c_probe()
2262 	regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_LEFT,  in wm8904_i2c_probe()
2264 	regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_RIGHT,  in wm8904_i2c_probe()
2266 	regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_LEFT,  in wm8904_i2c_probe()
2269 	regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_RIGHT,  in wm8904_i2c_probe()
2272 	regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_LEFT,  in wm8904_i2c_probe()
2275 	regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_RIGHT,  in wm8904_i2c_probe()
2278 	regmap_update_bits(wm8904->regmap, WM8904_CLOCK_RATES_0,  in wm8904_i2c_probe()
2282 	if (wm8904->pdata) {  in wm8904_i2c_probe()
2284 			if (!wm8904->pdata->gpio_cfg[i])  in wm8904_i2c_probe()
2287 			regmap_update_bits(wm8904->regmap,  in wm8904_i2c_probe()
2290 					   wm8904->pdata->gpio_cfg[i]);  in wm8904_i2c_probe()
2295 			regmap_update_bits(wm8904->regmap,  in wm8904_i2c_probe()
2298 					   wm8904->pdata->mic_cfg[i]);  in wm8904_i2c_probe()
2304 	regmap_update_bits(wm8904->regmap, WM8904_CLASS_W_0,  in wm8904_i2c_probe()
2308 	regmap_update_bits(wm8904->regmap, WM8904_BIAS_CONTROL_0,  in wm8904_i2c_probe()
2312 	regmap_read(wm8904->regmap, WM8904_ADC_TEST_0, &val);  in wm8904_i2c_probe()
2315 	regcache_cache_only(wm8904->regmap, true);  in wm8904_i2c_probe()
2316 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);  in wm8904_i2c_probe()
2326 	regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);  in wm8904_i2c_probe()
2331 	{ "wm8904", WM8904 },
2333 	{ "wm8918", WM8904 },   /* Actually a subset, updates to follow */
2340 		.name = "wm8904",
2349 MODULE_DESCRIPTION("ASoC WM8904 driver");