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b7138212 CC |
1 | /* |
2 | * File: sound/soc/codecs/ssm2602.c | |
3 | * Author: Cliff Cai <Cliff.Cai@analog.com> | |
4 | * | |
5 | * Created: Tue June 06 2008 | |
6 | * Description: Driver for ssm2602 sound chip | |
7 | * | |
8 | * Modified: | |
9 | * Copyright 2008 Analog Devices Inc. | |
10 | * | |
11 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, see the file COPYING, or write | |
25 | * to the Free Software Foundation, Inc., | |
26 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
27 | */ | |
28 | ||
29 | #include <linux/module.h> | |
bec3d9a9 | 30 | #include <linux/regmap.h> |
5a0e3ad6 | 31 | #include <linux/slab.h> |
c924dc68 | 32 | |
b7138212 CC |
33 | #include <sound/pcm.h> |
34 | #include <sound/pcm_params.h> | |
35 | #include <sound/soc.h> | |
f3eee00d | 36 | #include <sound/tlv.h> |
b7138212 CC |
37 | |
38 | #include "ssm2602.h" | |
39 | ||
b7138212 CC |
40 | /* codec private data */ |
41 | struct ssm2602_priv { | |
42 | unsigned int sysclk; | |
f75ac2d9 | 43 | const struct snd_pcm_hw_constraint_list *sysclk_constraints; |
b1f7b2b5 | 44 | |
bec3d9a9 LPC |
45 | struct regmap *regmap; |
46 | ||
b1f7b2b5 | 47 | enum ssm2602_type type; |
02890535 | 48 | unsigned int clk_out_pwr; |
b7138212 CC |
49 | }; |
50 | ||
51 | /* | |
52 | * ssm2602 register cache | |
53 | * We can't read the ssm2602 register space when we are | |
54 | * using 2 wire for device control, so we cache them instead. | |
55 | * There is no point in caching the reset register | |
56 | */ | |
a01df75c JK |
57 | static const struct reg_default ssm2602_reg[SSM2602_CACHEREGNUM] = { |
58 | { .reg = 0x00, .def = 0x0097 }, | |
59 | { .reg = 0x01, .def = 0x0097 }, | |
60 | { .reg = 0x02, .def = 0x0079 }, | |
61 | { .reg = 0x03, .def = 0x0079 }, | |
62 | { .reg = 0x04, .def = 0x000a }, | |
63 | { .reg = 0x05, .def = 0x0008 }, | |
64 | { .reg = 0x06, .def = 0x009f }, | |
65 | { .reg = 0x07, .def = 0x000a }, | |
66 | { .reg = 0x08, .def = 0x0000 }, | |
67 | { .reg = 0x09, .def = 0x0000 } | |
b7138212 CC |
68 | }; |
69 | ||
b7138212 CC |
70 | |
71 | /*Appending several "None"s just for OSS mixer use*/ | |
72 | static const char *ssm2602_input_select[] = { | |
b38fbe30 | 73 | "Line", "Mic", |
b7138212 CC |
74 | }; |
75 | ||
76 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
77 | ||
78 | static const struct soc_enum ssm2602_enum[] = { | |
b38fbe30 TI |
79 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select), |
80 | ssm2602_input_select), | |
81 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph), | |
82 | ssm2602_deemph), | |
b7138212 CC |
83 | }; |
84 | ||
f9d54802 | 85 | static const DECLARE_TLV_DB_RANGE(ssm260x_outmix_tlv, |
f3eee00d | 86 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), |
f9d54802 LPC |
87 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0) |
88 | ); | |
f3eee00d LPC |
89 | |
90 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
91 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
92 | ||
b1f7b2b5 | 93 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
94 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
95 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 96 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 97 | |
b1f7b2b5 LPC |
98 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
99 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
100 | ||
101 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
102 | }; | |
103 | ||
104 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
105 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
106 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
107 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
108 | 7, 1, 0), | |
f3eee00d LPC |
109 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
110 | ssm260x_sidetone_tlv), | |
b7138212 CC |
111 | |
112 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 113 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 114 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
115 | }; |
116 | ||
b7138212 | 117 | /* Output Mixer */ |
b1f7b2b5 | 118 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 119 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 120 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 121 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
122 | }; |
123 | ||
124 | /* Input mux */ | |
125 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
126 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
127 | ||
b1f7b2b5 | 128 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 129 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
130 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
131 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
132 | ||
3afb1b3e | 133 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 134 | |
b7138212 | 135 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 136 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
137 | SND_SOC_DAPM_INPUT("RLINEIN"), |
138 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
139 | }; | |
140 | ||
141 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
142 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
143 | ssm260x_output_mixer_controls, | |
144 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
145 | ||
b7138212 | 146 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 147 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
148 | |
149 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
150 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 151 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
152 | }; |
153 | ||
b1f7b2b5 LPC |
154 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
155 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
156 | ssm260x_output_mixer_controls, | |
157 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
158 | }; | |
159 | ||
160 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
161 | {"DAC", NULL, "Digital Core Power"}, |
162 | {"ADC", NULL, "Digital Core Power"}, | |
163 | ||
b7138212 CC |
164 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
165 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
166 | |
167 | {"ROUT", NULL, "Output Mixer"}, | |
168 | {"LOUT", NULL, "Output Mixer"}, | |
169 | ||
170 | {"Line Input", NULL, "LLINEIN"}, | |
171 | {"Line Input", NULL, "RLINEIN"}, | |
172 | }; | |
173 | ||
174 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
175 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
176 | ||
b7138212 | 177 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 178 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 179 | |
b7138212 CC |
180 | {"Input Mux", "Line", "Line Input"}, |
181 | {"Input Mux", "Mic", "Mic Bias"}, | |
182 | {"ADC", NULL, "Input Mux"}, | |
183 | ||
b7138212 CC |
184 | {"Mic Bias", NULL, "MICIN"}, |
185 | }; | |
186 | ||
b1f7b2b5 LPC |
187 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
188 | {"ADC", NULL, "Line Input"}, | |
189 | }; | |
b7138212 | 190 | |
8b3f39da | 191 | static const unsigned int ssm2602_rates_12288000[] = { |
7ae2b55b | 192 | 8000, 16000, 32000, 48000, 96000, |
8b3f39da LPC |
193 | }; |
194 | ||
f75ac2d9 | 195 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { |
8b3f39da LPC |
196 | .list = ssm2602_rates_12288000, |
197 | .count = ARRAY_SIZE(ssm2602_rates_12288000), | |
198 | }; | |
199 | ||
200 | static const unsigned int ssm2602_rates_11289600[] = { | |
3b2a0013 | 201 | 8000, 11025, 22050, 44100, 88200, |
8b3f39da LPC |
202 | }; |
203 | ||
f75ac2d9 | 204 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { |
8b3f39da LPC |
205 | .list = ssm2602_rates_11289600, |
206 | .count = ARRAY_SIZE(ssm2602_rates_11289600), | |
207 | }; | |
208 | ||
0b4cd2e0 | 209 | struct ssm2602_coeff { |
b7138212 CC |
210 | u32 mclk; |
211 | u32 rate; | |
0b4cd2e0 | 212 | u8 srate; |
b7138212 CC |
213 | }; |
214 | ||
0b4cd2e0 LPC |
215 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
216 | ||
217 | /* codec mclk clock coefficients */ | |
218 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 219 | /* 48k */ |
0b4cd2e0 LPC |
220 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
221 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
222 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
223 | |
224 | /* 32k */ | |
0b4cd2e0 LPC |
225 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
226 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
227 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 | 228 | |
7ae2b55b AP |
229 | /* 16k */ |
230 | {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, | |
231 | {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, | |
232 | {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, | |
233 | ||
b7138212 | 234 | /* 8k */ |
0b4cd2e0 LPC |
235 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
236 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
237 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
238 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
239 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
240 | |
241 | /* 96k */ | |
0b4cd2e0 LPC |
242 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
243 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
244 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 | 245 | |
3b2a0013 SK |
246 | /* 11.025k */ |
247 | {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)}, | |
248 | {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)}, | |
249 | {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)}, | |
250 | ||
251 | /* 22.05k */ | |
252 | {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)}, | |
253 | {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)}, | |
254 | {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)}, | |
255 | ||
b7138212 | 256 | /* 44.1k */ |
0b4cd2e0 LPC |
257 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
258 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
259 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
260 | |
261 | /* 88.2k */ | |
0b4cd2e0 LPC |
262 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
263 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
264 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
265 | }; |
266 | ||
0b4cd2e0 | 267 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
268 | { |
269 | int i; | |
270 | ||
0b4cd2e0 LPC |
271 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
272 | if (ssm2602_coeff_table[i].rate == rate && | |
273 | ssm2602_coeff_table[i].mclk == mclk) | |
274 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 275 | } |
0b4cd2e0 | 276 | return -EINVAL; |
b7138212 CC |
277 | } |
278 | ||
279 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
280 | struct snd_pcm_hw_params *params, |
281 | struct snd_soc_dai *dai) | |
b7138212 | 282 | { |
e6968a17 | 283 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 284 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
0b4cd2e0 | 285 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
bec3d9a9 | 286 | unsigned int iface; |
b7138212 | 287 | |
0b4cd2e0 LPC |
288 | if (srate < 0) |
289 | return srate; | |
b7138212 | 290 | |
bec3d9a9 | 291 | regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); |
b7138212 CC |
292 | |
293 | /* bit size */ | |
00a37032 MB |
294 | switch (params_width(params)) { |
295 | case 16: | |
bec3d9a9 | 296 | iface = 0x0; |
b7138212 | 297 | break; |
00a37032 | 298 | case 20: |
bec3d9a9 | 299 | iface = 0x4; |
b7138212 | 300 | break; |
00a37032 | 301 | case 24: |
bec3d9a9 | 302 | iface = 0x8; |
b7138212 | 303 | break; |
00a37032 | 304 | case 32: |
bec3d9a9 | 305 | iface = 0xc; |
b7138212 | 306 | break; |
bec3d9a9 LPC |
307 | default: |
308 | return -EINVAL; | |
b7138212 | 309 | } |
bec3d9a9 LPC |
310 | regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, |
311 | IFACE_AUDIO_DATA_LEN, iface); | |
b7138212 CC |
312 | return 0; |
313 | } | |
314 | ||
dee89c4d MB |
315 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
316 | struct snd_soc_dai *dai) | |
b7138212 | 317 | { |
e6968a17 | 318 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 319 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 | 320 | |
8b3f39da LPC |
321 | if (ssm2602->sysclk_constraints) { |
322 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
323 | SNDRV_PCM_HW_PARAM_RATE, | |
324 | ssm2602->sysclk_constraints); | |
325 | } | |
326 | ||
b7138212 CC |
327 | return 0; |
328 | } | |
329 | ||
b7138212 CC |
330 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
331 | { | |
bec3d9a9 | 332 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); |
2ee9c183 | 333 | |
b7138212 | 334 | if (mute) |
bec3d9a9 | 335 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 AL |
336 | APDIGI_ENABLE_DAC_MUTE, |
337 | APDIGI_ENABLE_DAC_MUTE); | |
b7138212 | 338 | else |
bec3d9a9 | 339 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 | 340 | APDIGI_ENABLE_DAC_MUTE, 0); |
b7138212 CC |
341 | return 0; |
342 | } | |
343 | ||
344 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
345 | int clk_id, unsigned int freq, int dir) | |
346 | { | |
347 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 348 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
349 | |
350 | if (dir == SND_SOC_CLOCK_IN) { | |
351 | if (clk_id != SSM2602_SYSCLK) | |
352 | return -EINVAL; | |
353 | ||
354 | switch (freq) { | |
02890535 | 355 | case 12288000: |
02890535 | 356 | case 18432000: |
8b3f39da LPC |
357 | ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; |
358 | break; | |
359 | case 11289600: | |
360 | case 16934400: | |
361 | ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; | |
362 | break; | |
363 | case 12000000: | |
364 | ssm2602->sysclk_constraints = NULL; | |
02890535 LPC |
365 | break; |
366 | default: | |
367 | return -EINVAL; | |
368 | } | |
8b3f39da | 369 | ssm2602->sysclk = freq; |
02890535 LPC |
370 | } else { |
371 | unsigned int mask; | |
372 | ||
373 | switch (clk_id) { | |
374 | case SSM2602_CLK_CLKOUT: | |
375 | mask = PWR_CLK_OUT_PDN; | |
376 | break; | |
377 | case SSM2602_CLK_XTO: | |
378 | mask = PWR_OSC_PDN; | |
379 | break; | |
380 | default: | |
381 | return -EINVAL; | |
382 | } | |
383 | ||
384 | if (freq == 0) | |
385 | ssm2602->clk_out_pwr |= mask; | |
386 | else | |
387 | ssm2602->clk_out_pwr &= ~mask; | |
388 | ||
bec3d9a9 | 389 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 390 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); |
b7138212 | 391 | } |
02890535 LPC |
392 | |
393 | return 0; | |
b7138212 CC |
394 | } |
395 | ||
396 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
397 | unsigned int fmt) | |
398 | { | |
bec3d9a9 LPC |
399 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec); |
400 | unsigned int iface = 0; | |
b7138212 CC |
401 | |
402 | /* set master/slave audio interface */ | |
403 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
404 | case SND_SOC_DAIFMT_CBM_CFM: | |
405 | iface |= 0x0040; | |
406 | break; | |
407 | case SND_SOC_DAIFMT_CBS_CFS: | |
408 | break; | |
409 | default: | |
410 | return -EINVAL; | |
411 | } | |
412 | ||
413 | /* interface format */ | |
414 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
415 | case SND_SOC_DAIFMT_I2S: | |
416 | iface |= 0x0002; | |
417 | break; | |
418 | case SND_SOC_DAIFMT_RIGHT_J: | |
419 | break; | |
420 | case SND_SOC_DAIFMT_LEFT_J: | |
421 | iface |= 0x0001; | |
422 | break; | |
423 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 424 | iface |= 0x0013; |
b7138212 CC |
425 | break; |
426 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 427 | iface |= 0x0003; |
b7138212 CC |
428 | break; |
429 | default: | |
430 | return -EINVAL; | |
431 | } | |
432 | ||
433 | /* clock inversion */ | |
434 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
435 | case SND_SOC_DAIFMT_NB_NF: | |
436 | break; | |
437 | case SND_SOC_DAIFMT_IB_IF: | |
438 | iface |= 0x0090; | |
439 | break; | |
440 | case SND_SOC_DAIFMT_IB_NF: | |
441 | iface |= 0x0080; | |
442 | break; | |
443 | case SND_SOC_DAIFMT_NB_IF: | |
444 | iface |= 0x0010; | |
445 | break; | |
446 | default: | |
447 | return -EINVAL; | |
448 | } | |
449 | ||
450 | /* set iface */ | |
bec3d9a9 | 451 | regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); |
b7138212 CC |
452 | return 0; |
453 | } | |
454 | ||
455 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
456 | enum snd_soc_bias_level level) | |
457 | { | |
02890535 | 458 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
459 | |
460 | switch (level) { | |
461 | case SND_SOC_BIAS_ON: | |
02890535 | 462 | /* vref/mid on, osc and clkout on if enabled */ |
bec3d9a9 | 463 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
464 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
465 | ssm2602->clk_out_pwr); | |
b7138212 CC |
466 | break; |
467 | case SND_SOC_BIAS_PREPARE: | |
468 | break; | |
469 | case SND_SOC_BIAS_STANDBY: | |
470 | /* everything off except vref/vmid, */ | |
bec3d9a9 | 471 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
472 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
473 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
474 | break; |
475 | case SND_SOC_BIAS_OFF: | |
02890535 | 476 | /* everything off */ |
bec3d9a9 | 477 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 478 | PWR_POWER_OFF, PWR_POWER_OFF); |
b7138212 CC |
479 | break; |
480 | ||
481 | } | |
b7138212 CC |
482 | return 0; |
483 | } | |
484 | ||
3b2a0013 SK |
485 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
486 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
7ae2b55b AP |
487 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ |
488 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ | |
489 | SNDRV_PCM_RATE_96000) | |
b7138212 | 490 | |
5de27b6c KB |
491 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
492 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
493 | ||
85e7652d | 494 | static const struct snd_soc_dai_ops ssm2602_dai_ops = { |
6335d055 | 495 | .startup = ssm2602_startup, |
6335d055 | 496 | .hw_params = ssm2602_hw_params, |
6335d055 EM |
497 | .digital_mute = ssm2602_mute, |
498 | .set_sysclk = ssm2602_set_dai_sysclk, | |
499 | .set_fmt = ssm2602_set_dai_fmt, | |
500 | }; | |
501 | ||
f0fba2ad LG |
502 | static struct snd_soc_dai_driver ssm2602_dai = { |
503 | .name = "ssm2602-hifi", | |
b7138212 CC |
504 | .playback = { |
505 | .stream_name = "Playback", | |
506 | .channels_min = 2, | |
507 | .channels_max = 2, | |
508 | .rates = SSM2602_RATES, | |
5de27b6c | 509 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
510 | .capture = { |
511 | .stream_name = "Capture", | |
512 | .channels_min = 2, | |
513 | .channels_max = 2, | |
514 | .rates = SSM2602_RATES, | |
5de27b6c | 515 | .formats = SSM2602_FORMATS,}, |
6335d055 | 516 | .ops = &ssm2602_dai_ops, |
a010ff62 LPC |
517 | .symmetric_rates = 1, |
518 | .symmetric_samplebits = 1, | |
b7138212 | 519 | }; |
b7138212 | 520 | |
f0fba2ad | 521 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 522 | { |
9d863b88 | 523 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
93547e89 | 524 | |
9d863b88 | 525 | regcache_sync(ssm2602->regmap); |
93547e89 | 526 | |
b7138212 CC |
527 | return 0; |
528 | } | |
529 | ||
c924dc68 | 530 | static int ssm2602_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 531 | { |
fa68cfd4 | 532 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); |
bec3d9a9 | 533 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 534 | int ret; |
b1f7b2b5 | 535 | |
bec3d9a9 | 536 | regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, |
2ee9c183 | 537 | LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); |
bec3d9a9 | 538 | regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, |
2ee9c183 | 539 | ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); |
b1f7b2b5 | 540 | |
022658be | 541 | ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, |
b1f7b2b5 LPC |
542 | ARRAY_SIZE(ssm2602_snd_controls)); |
543 | if (ret) | |
544 | return ret; | |
545 | ||
546 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
547 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
548 | if (ret) | |
549 | return ret; | |
550 | ||
551 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
552 | ARRAY_SIZE(ssm2602_routes)); | |
553 | } | |
554 | ||
c924dc68 | 555 | static int ssm2604_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 556 | { |
fa68cfd4 | 557 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); |
b1f7b2b5 LPC |
558 | int ret; |
559 | ||
560 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
561 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
562 | if (ret) | |
563 | return ret; | |
564 | ||
565 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
566 | ARRAY_SIZE(ssm2604_routes)); | |
567 | } | |
568 | ||
c924dc68 | 569 | static int ssm260x_codec_probe(struct snd_soc_codec *codec) |
b7138212 | 570 | { |
f0fba2ad | 571 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 572 | int ret; |
f0fba2ad | 573 | |
bec3d9a9 | 574 | ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); |
93547e89 CC |
575 | if (ret < 0) { |
576 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
577 | return ret; | |
578 | } | |
b7138212 | 579 | |
b7138212 | 580 | /* set the update bits */ |
bec3d9a9 | 581 | regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, |
2ee9c183 | 582 | LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); |
bec3d9a9 | 583 | regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, |
2ee9c183 | 584 | RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); |
b7138212 | 585 | /*select Line in as default input*/ |
bec3d9a9 | 586 | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 587 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 588 | |
b1f7b2b5 LPC |
589 | switch (ssm2602->type) { |
590 | case SSM2602: | |
c924dc68 | 591 | ret = ssm2602_codec_probe(codec); |
b1f7b2b5 LPC |
592 | break; |
593 | case SSM2604: | |
c924dc68 | 594 | ret = ssm2604_codec_probe(codec); |
b1f7b2b5 LPC |
595 | break; |
596 | } | |
b7138212 | 597 | |
85362efb | 598 | return ret; |
b7138212 CC |
599 | } |
600 | ||
a180ba45 | 601 | static const struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
c924dc68 | 602 | .probe = ssm260x_codec_probe, |
f0fba2ad | 603 | .resume = ssm2602_resume, |
f0fba2ad | 604 | .set_bias_level = ssm2602_set_bias_level, |
85362efb | 605 | .suspend_bias_off = true, |
b1f7b2b5 | 606 | |
21c82234 KM |
607 | .component_driver = { |
608 | .controls = ssm260x_snd_controls, | |
609 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
610 | .dapm_widgets = ssm260x_dapm_widgets, | |
611 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
612 | .dapm_routes = ssm260x_routes, | |
613 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
614 | }, | |
f0fba2ad | 615 | }; |
b7138212 | 616 | |
bec3d9a9 LPC |
617 | static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) |
618 | { | |
619 | return reg == SSM2602_RESET; | |
620 | } | |
621 | ||
c924dc68 | 622 | const struct regmap_config ssm2602_regmap_config = { |
bec3d9a9 LPC |
623 | .val_bits = 9, |
624 | .reg_bits = 7, | |
625 | ||
626 | .max_register = SSM2602_RESET, | |
627 | .volatile_reg = ssm2602_register_volatile, | |
628 | ||
629 | .cache_type = REGCACHE_RBTREE, | |
a01df75c JK |
630 | .reg_defaults = ssm2602_reg, |
631 | .num_reg_defaults = ARRAY_SIZE(ssm2602_reg), | |
bec3d9a9 | 632 | }; |
c924dc68 | 633 | EXPORT_SYMBOL_GPL(ssm2602_regmap_config); |
bec3d9a9 | 634 | |
c924dc68 LPC |
635 | int ssm2602_probe(struct device *dev, enum ssm2602_type type, |
636 | struct regmap *regmap) | |
b39e2855 MF |
637 | { |
638 | struct ssm2602_priv *ssm2602; | |
b39e2855 | 639 | |
c924dc68 LPC |
640 | if (IS_ERR(regmap)) |
641 | return PTR_ERR(regmap); | |
b7138212 | 642 | |
c924dc68 | 643 | ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); |
f0fba2ad LG |
644 | if (ssm2602 == NULL) |
645 | return -ENOMEM; | |
b7138212 | 646 | |
c924dc68 | 647 | dev_set_drvdata(dev, ssm2602); |
fe2a08b3 | 648 | ssm2602->type = type; |
c924dc68 | 649 | ssm2602->regmap = regmap; |
b39e2855 | 650 | |
c924dc68 LPC |
651 | return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602, |
652 | &ssm2602_dai, 1); | |
64089b84 | 653 | } |
c924dc68 | 654 | EXPORT_SYMBOL_GPL(ssm2602_probe); |
64089b84 | 655 | |
7dcf2760 | 656 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
657 | MODULE_AUTHOR("Cliff Cai"); |
658 | MODULE_LICENSE("GPL"); |