1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // MediaTek ALSA SoC Audio Misc Control
4 //
5 // Copyright (c) 2022 MediaTek Inc.
6 // Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
7
8 #include <linux/delay.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/io.h>
11 #include <linux/regmap.h>
12 #include <sound/soc.h>
13
14 #include "../common/mtk-afe-fe-dai.h"
15 #include "../common/mtk-afe-platform-driver.h"
16 #include "mt8186-afe-common.h"
17
18 static const char * const mt8186_sgen_mode_str[] = {
19 "I0I1", "I2", "I3I4", "I5I6",
20 "I7I8", "I9I22", "I10I11", "I12I13",
21 "I14I21", "I15I16", "I17I18", "I19I20",
22 "I23I24", "I25I26", "I27I28", "I33",
23 "I34I35", "I36I37", "I38I39", "I40I41",
24 "I42I43", "I44I45", "I46I47", "I48I49",
25 "I56I57", "I58I59", "I60I61", "I62I63",
26 "O0O1", "O2", "O3O4", "O5O6",
27 "O7O8", "O9O10", "O11", "O12",
28 "O13O14", "O15O16", "O17O18", "O19O20",
29 "O21O22", "O23O24", "O25", "O28O29",
30 "O34", "O35", "O32O33", "O36O37",
31 "O38O39", "O30O31", "O40O41", "O42O43",
32 "O44O45", "O46O47", "O48O49", "O50O51",
33 "O58O59", "O60O61", "O62O63", "O64O65",
34 "O66O67", "O68O69", "O26O27", "OFF",
35 };
36
37 static const int mt8186_sgen_mode_idx[] = {
38 0, 2, 4, 6,
39 8, 22, 10, 12,
40 14, -1, 18, 20,
41 24, 26, 28, 33,
42 34, 36, 38, 40,
43 42, 44, 46, 48,
44 56, 58, 60, 62,
45 128, 130, 132, 134,
46 135, 138, 139, 140,
47 142, 144, 166, 148,
48 150, 152, 153, 156,
49 162, 163, 160, 164,
50 166, -1, 168, 170,
51 172, 174, 176, 178,
52 186, 188, 190, 192,
53 194, 196, -1, -1,
54 };
55
56 static const char * const mt8186_sgen_rate_str[] = {
57 "8K", "11K", "12K", "16K",
58 "22K", "24K", "32K", "44K",
59 "48K", "88k", "96k", "176k",
60 "192k"
61 };
62
63 static const int mt8186_sgen_rate_idx[] = {
64 0, 1, 2, 4,
65 5, 6, 8, 9,
66 10, 11, 12, 13,
67 14
68 };
69
70 /* this order must match reg bit amp_div_ch1/2 */
71 static const char * const mt8186_sgen_amp_str[] = {
72 "1/128", "1/64", "1/32", "1/16", "1/8", "1/4", "1/2", "1" };
73
74 static int mt8186_sgen_get(struct snd_kcontrol *kcontrol,
75 struct snd_ctl_elem_value *ucontrol)
76 {
77 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
78 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
79 struct mt8186_afe_private *afe_priv = afe->platform_priv;
80
81 ucontrol->value.integer.value[0] = afe_priv->sgen_mode;
82
83 return 0;
84 }
85
86 static int mt8186_sgen_set(struct snd_kcontrol *kcontrol,
87 struct snd_ctl_elem_value *ucontrol)
88 {
89 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
90 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
91 struct mt8186_afe_private *afe_priv = afe->platform_priv;
92 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
93 int mode;
94 int mode_idx;
95
96 if (ucontrol->value.enumerated.item[0] >= e->items)
97 return -EINVAL;
98
99 mode = ucontrol->value.integer.value[0];
100 mode_idx = mt8186_sgen_mode_idx[mode];
101
102 dev_dbg(afe->dev, "%s(), mode %d, mode_idx %d\n",
103 __func__, mode, mode_idx);
104
105 if (mode == afe_priv->sgen_mode)
106 return 0;
107
108 if (mode_idx >= 0) {
109 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON2,
110 INNER_LOOP_BACK_MODE_MASK_SFT,
111 mode_idx << INNER_LOOP_BACK_MODE_SFT);
112 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
113 DAC_EN_MASK_SFT, BIT(DAC_EN_SFT));
114 } else {
115 /* disable sgen */
116 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
117 DAC_EN_MASK_SFT, 0);
118 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON2,
119 INNER_LOOP_BACK_MODE_MASK_SFT,
120 0x3f << INNER_LOOP_BACK_MODE_SFT);
121 }
122
123 afe_priv->sgen_mode = mode;
124
125 return 1;
126 }
127
128 static int mt8186_sgen_rate_get(struct snd_kcontrol *kcontrol,
129 struct snd_ctl_elem_value *ucontrol)
130 {
131 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
132 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
133 struct mt8186_afe_private *afe_priv = afe->platform_priv;
134
135 ucontrol->value.integer.value[0] = afe_priv->sgen_rate;
136
137 return 0;
138 }
139
140 static int mt8186_sgen_rate_set(struct snd_kcontrol *kcontrol,
141 struct snd_ctl_elem_value *ucontrol)
142 {
143 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
144 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
145 struct mt8186_afe_private *afe_priv = afe->platform_priv;
146 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
147 int rate;
148
149 if (ucontrol->value.enumerated.item[0] >= e->items)
150 return -EINVAL;
151
152 rate = ucontrol->value.integer.value[0];
153
154 dev_dbg(afe->dev, "%s(), rate %d\n", __func__, rate);
155
156 if (rate == afe_priv->sgen_rate)
157 return 0;
158
159 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
160 SINE_MODE_CH1_MASK_SFT,
161 mt8186_sgen_rate_idx[rate] << SINE_MODE_CH1_SFT);
162
163 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
164 SINE_MODE_CH2_MASK_SFT,
165 mt8186_sgen_rate_idx[rate] << SINE_MODE_CH2_SFT);
166
167 afe_priv->sgen_rate = rate;
168
169 return 1;
170 }
171
172 static int mt8186_sgen_amplitude_get(struct snd_kcontrol *kcontrol,
173 struct snd_ctl_elem_value *ucontrol)
174 {
175 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
176 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
177 struct mt8186_afe_private *afe_priv = afe->platform_priv;
178
179 ucontrol->value.integer.value[0] = afe_priv->sgen_amplitude;
180 return 0;
181 }
182
183 static int mt8186_sgen_amplitude_set(struct snd_kcontrol *kcontrol,
184 struct snd_ctl_elem_value *ucontrol)
185 {
186 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
187 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
188 struct mt8186_afe_private *afe_priv = afe->platform_priv;
189 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
190 int amplitude;
191
192 if (ucontrol->value.enumerated.item[0] >= e->items)
193 return -EINVAL;
194
195 amplitude = ucontrol->value.integer.value[0];
196 if (amplitude > AMP_DIV_CH1_MASK) {
197 dev_err(afe->dev, "%s(), amplitude %d invalid\n",
198 __func__, amplitude);
199 return -EINVAL;
200 }
201
202 dev_dbg(afe->dev, "%s(), amplitude %d\n", __func__, amplitude);
203
204 if (amplitude == afe_priv->sgen_amplitude)
205 return 0;
206
207 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
208 AMP_DIV_CH1_MASK_SFT,
209 amplitude << AMP_DIV_CH1_SFT);
210 regmap_update_bits(afe->regmap, AFE_SINEGEN_CON0,
211 AMP_DIV_CH2_MASK_SFT,
212 amplitude << AMP_DIV_CH2_SFT);
213
214 afe_priv->sgen_amplitude = amplitude;
215
216 return 1;
217 }
218
219 static const struct soc_enum mt8186_afe_sgen_enum[] = {
220 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_mode_str),
221 mt8186_sgen_mode_str),
222 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_rate_str),
223 mt8186_sgen_rate_str),
224 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_sgen_amp_str),
225 mt8186_sgen_amp_str),
226 };
227
228 static const struct snd_kcontrol_new mt8186_afe_sgen_controls[] = {
229 SOC_ENUM_EXT("Audio_SineGen_Switch", mt8186_afe_sgen_enum[0],
230 mt8186_sgen_get, mt8186_sgen_set),
231 SOC_ENUM_EXT("Audio_SineGen_SampleRate", mt8186_afe_sgen_enum[1],
232 mt8186_sgen_rate_get, mt8186_sgen_rate_set),
233 SOC_ENUM_EXT("Audio_SineGen_Amplitude", mt8186_afe_sgen_enum[2],
234 mt8186_sgen_amplitude_get, mt8186_sgen_amplitude_set),
235 SOC_SINGLE("Audio_SineGen_Mute_Ch1", AFE_SINEGEN_CON0,
236 MUTE_SW_CH1_MASK_SFT, MUTE_SW_CH1_MASK, 0),
237 SOC_SINGLE("Audio_SineGen_Mute_Ch2", AFE_SINEGEN_CON0,
238 MUTE_SW_CH2_MASK_SFT, MUTE_SW_CH2_MASK, 0),
239 SOC_SINGLE("Audio_SineGen_Freq_Div_Ch1", AFE_SINEGEN_CON0,
240 FREQ_DIV_CH1_SFT, FREQ_DIV_CH1_MASK, 0),
241 SOC_SINGLE("Audio_SineGen_Freq_Div_Ch2", AFE_SINEGEN_CON0,
242 FREQ_DIV_CH2_SFT, FREQ_DIV_CH2_MASK, 0),
243 };
244
245 int mt8186_add_misc_control(struct snd_soc_component *component)
246 {
247 snd_soc_add_component_controls(component,
248 mt8186_afe_sgen_controls,
249 ARRAY_SIZE(mt8186_afe_sgen_controls));
250
251 return 0;
252 }
253
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