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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 | */ | |
57 | static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = { | |
7164bdb6 LPC |
58 | 0x0097, 0x0097, 0x0079, 0x0079, |
59 | 0x000a, 0x0008, 0x009f, 0x000a, | |
b7138212 CC |
60 | 0x0000, 0x0000 |
61 | }; | |
62 | ||
b7138212 CC |
63 | |
64 | /*Appending several "None"s just for OSS mixer use*/ | |
65 | static const char *ssm2602_input_select[] = { | |
b38fbe30 | 66 | "Line", "Mic", |
b7138212 CC |
67 | }; |
68 | ||
69 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
70 | ||
71 | static const struct soc_enum ssm2602_enum[] = { | |
b38fbe30 TI |
72 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select), |
73 | ssm2602_input_select), | |
74 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph), | |
75 | ssm2602_deemph), | |
b7138212 CC |
76 | }; |
77 | ||
f3eee00d LPC |
78 | static const unsigned int ssm260x_outmix_tlv[] = { |
79 | TLV_DB_RANGE_HEAD(2), | |
80 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), | |
81 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0), | |
82 | }; | |
83 | ||
84 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
85 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
86 | ||
b1f7b2b5 | 87 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
88 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
89 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 90 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 91 | |
b1f7b2b5 LPC |
92 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
93 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
94 | ||
95 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
96 | }; | |
97 | ||
98 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
99 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
100 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
101 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
102 | 7, 1, 0), | |
f3eee00d LPC |
103 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
104 | ssm260x_sidetone_tlv), | |
b7138212 CC |
105 | |
106 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 107 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 108 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
109 | }; |
110 | ||
b7138212 | 111 | /* Output Mixer */ |
b1f7b2b5 | 112 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 113 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 114 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 115 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
116 | }; |
117 | ||
118 | /* Input mux */ | |
119 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
120 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
121 | ||
b1f7b2b5 | 122 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 123 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
124 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
125 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
126 | ||
3afb1b3e | 127 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 128 | |
b7138212 | 129 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 130 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
131 | SND_SOC_DAPM_INPUT("RLINEIN"), |
132 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
133 | }; | |
134 | ||
135 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
136 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
137 | ssm260x_output_mixer_controls, | |
138 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
139 | ||
b7138212 | 140 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 141 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
142 | |
143 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
144 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 145 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
146 | }; |
147 | ||
b1f7b2b5 LPC |
148 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
149 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
150 | ssm260x_output_mixer_controls, | |
151 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
152 | }; | |
153 | ||
154 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
155 | {"DAC", NULL, "Digital Core Power"}, |
156 | {"ADC", NULL, "Digital Core Power"}, | |
157 | ||
b7138212 CC |
158 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
159 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
160 | |
161 | {"ROUT", NULL, "Output Mixer"}, | |
162 | {"LOUT", NULL, "Output Mixer"}, | |
163 | ||
164 | {"Line Input", NULL, "LLINEIN"}, | |
165 | {"Line Input", NULL, "RLINEIN"}, | |
166 | }; | |
167 | ||
168 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
169 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
170 | ||
b7138212 | 171 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 172 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 173 | |
b7138212 CC |
174 | {"Input Mux", "Line", "Line Input"}, |
175 | {"Input Mux", "Mic", "Mic Bias"}, | |
176 | {"ADC", NULL, "Input Mux"}, | |
177 | ||
b7138212 CC |
178 | {"Mic Bias", NULL, "MICIN"}, |
179 | }; | |
180 | ||
b1f7b2b5 LPC |
181 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
182 | {"ADC", NULL, "Line Input"}, | |
183 | }; | |
b7138212 | 184 | |
8b3f39da | 185 | static const unsigned int ssm2602_rates_12288000[] = { |
7ae2b55b | 186 | 8000, 16000, 32000, 48000, 96000, |
8b3f39da LPC |
187 | }; |
188 | ||
f75ac2d9 | 189 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { |
8b3f39da LPC |
190 | .list = ssm2602_rates_12288000, |
191 | .count = ARRAY_SIZE(ssm2602_rates_12288000), | |
192 | }; | |
193 | ||
194 | static const unsigned int ssm2602_rates_11289600[] = { | |
195 | 8000, 44100, 88200, | |
196 | }; | |
197 | ||
f75ac2d9 | 198 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { |
8b3f39da LPC |
199 | .list = ssm2602_rates_11289600, |
200 | .count = ARRAY_SIZE(ssm2602_rates_11289600), | |
201 | }; | |
202 | ||
0b4cd2e0 | 203 | struct ssm2602_coeff { |
b7138212 CC |
204 | u32 mclk; |
205 | u32 rate; | |
0b4cd2e0 | 206 | u8 srate; |
b7138212 CC |
207 | }; |
208 | ||
0b4cd2e0 LPC |
209 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
210 | ||
211 | /* codec mclk clock coefficients */ | |
212 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 213 | /* 48k */ |
0b4cd2e0 LPC |
214 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
215 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
216 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
217 | |
218 | /* 32k */ | |
0b4cd2e0 LPC |
219 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
220 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
221 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 | 222 | |
7ae2b55b AP |
223 | /* 16k */ |
224 | {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, | |
225 | {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, | |
226 | {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, | |
227 | ||
b7138212 | 228 | /* 8k */ |
0b4cd2e0 LPC |
229 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
230 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
231 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
232 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
233 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
234 | |
235 | /* 96k */ | |
0b4cd2e0 LPC |
236 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
237 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
238 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 CC |
239 | |
240 | /* 44.1k */ | |
0b4cd2e0 LPC |
241 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
242 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
243 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
244 | |
245 | /* 88.2k */ | |
0b4cd2e0 LPC |
246 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
247 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
248 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
249 | }; |
250 | ||
0b4cd2e0 | 251 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
252 | { |
253 | int i; | |
254 | ||
0b4cd2e0 LPC |
255 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
256 | if (ssm2602_coeff_table[i].rate == rate && | |
257 | ssm2602_coeff_table[i].mclk == mclk) | |
258 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 259 | } |
0b4cd2e0 | 260 | return -EINVAL; |
b7138212 CC |
261 | } |
262 | ||
263 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
264 | struct snd_pcm_hw_params *params, |
265 | struct snd_soc_dai *dai) | |
b7138212 | 266 | { |
e6968a17 | 267 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 268 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
0b4cd2e0 | 269 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
bec3d9a9 | 270 | unsigned int iface; |
b7138212 | 271 | |
0b4cd2e0 LPC |
272 | if (srate < 0) |
273 | return srate; | |
b7138212 | 274 | |
bec3d9a9 | 275 | regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); |
b7138212 CC |
276 | |
277 | /* bit size */ | |
00a37032 MB |
278 | switch (params_width(params)) { |
279 | case 16: | |
bec3d9a9 | 280 | iface = 0x0; |
b7138212 | 281 | break; |
00a37032 | 282 | case 20: |
bec3d9a9 | 283 | iface = 0x4; |
b7138212 | 284 | break; |
00a37032 | 285 | case 24: |
bec3d9a9 | 286 | iface = 0x8; |
b7138212 | 287 | break; |
00a37032 | 288 | case 32: |
bec3d9a9 | 289 | iface = 0xc; |
b7138212 | 290 | break; |
bec3d9a9 LPC |
291 | default: |
292 | return -EINVAL; | |
b7138212 | 293 | } |
bec3d9a9 LPC |
294 | regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, |
295 | IFACE_AUDIO_DATA_LEN, iface); | |
b7138212 CC |
296 | return 0; |
297 | } | |
298 | ||
dee89c4d MB |
299 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
300 | struct snd_soc_dai *dai) | |
b7138212 | 301 | { |
e6968a17 | 302 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 303 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 | 304 | |
8b3f39da LPC |
305 | if (ssm2602->sysclk_constraints) { |
306 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
307 | SNDRV_PCM_HW_PARAM_RATE, | |
308 | ssm2602->sysclk_constraints); | |
309 | } | |
310 | ||
b7138212 CC |
311 | return 0; |
312 | } | |
313 | ||
b7138212 CC |
314 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
315 | { | |
bec3d9a9 | 316 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); |
2ee9c183 | 317 | |
b7138212 | 318 | if (mute) |
bec3d9a9 | 319 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 AL |
320 | APDIGI_ENABLE_DAC_MUTE, |
321 | APDIGI_ENABLE_DAC_MUTE); | |
b7138212 | 322 | else |
bec3d9a9 | 323 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 | 324 | APDIGI_ENABLE_DAC_MUTE, 0); |
b7138212 CC |
325 | return 0; |
326 | } | |
327 | ||
328 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
329 | int clk_id, unsigned int freq, int dir) | |
330 | { | |
331 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 332 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
333 | |
334 | if (dir == SND_SOC_CLOCK_IN) { | |
335 | if (clk_id != SSM2602_SYSCLK) | |
336 | return -EINVAL; | |
337 | ||
338 | switch (freq) { | |
02890535 | 339 | case 12288000: |
02890535 | 340 | case 18432000: |
8b3f39da LPC |
341 | ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; |
342 | break; | |
343 | case 11289600: | |
344 | case 16934400: | |
345 | ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; | |
346 | break; | |
347 | case 12000000: | |
348 | ssm2602->sysclk_constraints = NULL; | |
02890535 LPC |
349 | break; |
350 | default: | |
351 | return -EINVAL; | |
352 | } | |
8b3f39da | 353 | ssm2602->sysclk = freq; |
02890535 LPC |
354 | } else { |
355 | unsigned int mask; | |
356 | ||
357 | switch (clk_id) { | |
358 | case SSM2602_CLK_CLKOUT: | |
359 | mask = PWR_CLK_OUT_PDN; | |
360 | break; | |
361 | case SSM2602_CLK_XTO: | |
362 | mask = PWR_OSC_PDN; | |
363 | break; | |
364 | default: | |
365 | return -EINVAL; | |
366 | } | |
367 | ||
368 | if (freq == 0) | |
369 | ssm2602->clk_out_pwr |= mask; | |
370 | else | |
371 | ssm2602->clk_out_pwr &= ~mask; | |
372 | ||
bec3d9a9 | 373 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 374 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); |
b7138212 | 375 | } |
02890535 LPC |
376 | |
377 | return 0; | |
b7138212 CC |
378 | } |
379 | ||
380 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
381 | unsigned int fmt) | |
382 | { | |
bec3d9a9 LPC |
383 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec); |
384 | unsigned int iface = 0; | |
b7138212 CC |
385 | |
386 | /* set master/slave audio interface */ | |
387 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
388 | case SND_SOC_DAIFMT_CBM_CFM: | |
389 | iface |= 0x0040; | |
390 | break; | |
391 | case SND_SOC_DAIFMT_CBS_CFS: | |
392 | break; | |
393 | default: | |
394 | return -EINVAL; | |
395 | } | |
396 | ||
397 | /* interface format */ | |
398 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
399 | case SND_SOC_DAIFMT_I2S: | |
400 | iface |= 0x0002; | |
401 | break; | |
402 | case SND_SOC_DAIFMT_RIGHT_J: | |
403 | break; | |
404 | case SND_SOC_DAIFMT_LEFT_J: | |
405 | iface |= 0x0001; | |
406 | break; | |
407 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 408 | iface |= 0x0013; |
b7138212 CC |
409 | break; |
410 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 411 | iface |= 0x0003; |
b7138212 CC |
412 | break; |
413 | default: | |
414 | return -EINVAL; | |
415 | } | |
416 | ||
417 | /* clock inversion */ | |
418 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
419 | case SND_SOC_DAIFMT_NB_NF: | |
420 | break; | |
421 | case SND_SOC_DAIFMT_IB_IF: | |
422 | iface |= 0x0090; | |
423 | break; | |
424 | case SND_SOC_DAIFMT_IB_NF: | |
425 | iface |= 0x0080; | |
426 | break; | |
427 | case SND_SOC_DAIFMT_NB_IF: | |
428 | iface |= 0x0010; | |
429 | break; | |
430 | default: | |
431 | return -EINVAL; | |
432 | } | |
433 | ||
434 | /* set iface */ | |
bec3d9a9 | 435 | regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); |
b7138212 CC |
436 | return 0; |
437 | } | |
438 | ||
439 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
440 | enum snd_soc_bias_level level) | |
441 | { | |
02890535 | 442 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
443 | |
444 | switch (level) { | |
445 | case SND_SOC_BIAS_ON: | |
02890535 | 446 | /* vref/mid on, osc and clkout on if enabled */ |
bec3d9a9 | 447 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
448 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
449 | ssm2602->clk_out_pwr); | |
b7138212 CC |
450 | break; |
451 | case SND_SOC_BIAS_PREPARE: | |
452 | break; | |
453 | case SND_SOC_BIAS_STANDBY: | |
454 | /* everything off except vref/vmid, */ | |
bec3d9a9 | 455 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
456 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
457 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
458 | break; |
459 | case SND_SOC_BIAS_OFF: | |
02890535 | 460 | /* everything off */ |
bec3d9a9 | 461 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 462 | PWR_POWER_OFF, PWR_POWER_OFF); |
b7138212 CC |
463 | break; |
464 | ||
465 | } | |
ce6120cc | 466 | codec->dapm.bias_level = level; |
b7138212 CC |
467 | return 0; |
468 | } | |
469 | ||
7ae2b55b AP |
470 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ |
471 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ | |
472 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ | |
473 | SNDRV_PCM_RATE_96000) | |
b7138212 | 474 | |
5de27b6c KB |
475 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
476 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
477 | ||
85e7652d | 478 | static const struct snd_soc_dai_ops ssm2602_dai_ops = { |
6335d055 | 479 | .startup = ssm2602_startup, |
6335d055 | 480 | .hw_params = ssm2602_hw_params, |
6335d055 EM |
481 | .digital_mute = ssm2602_mute, |
482 | .set_sysclk = ssm2602_set_dai_sysclk, | |
483 | .set_fmt = ssm2602_set_dai_fmt, | |
484 | }; | |
485 | ||
f0fba2ad LG |
486 | static struct snd_soc_dai_driver ssm2602_dai = { |
487 | .name = "ssm2602-hifi", | |
b7138212 CC |
488 | .playback = { |
489 | .stream_name = "Playback", | |
490 | .channels_min = 2, | |
491 | .channels_max = 2, | |
492 | .rates = SSM2602_RATES, | |
5de27b6c | 493 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
494 | .capture = { |
495 | .stream_name = "Capture", | |
496 | .channels_min = 2, | |
497 | .channels_max = 2, | |
498 | .rates = SSM2602_RATES, | |
5de27b6c | 499 | .formats = SSM2602_FORMATS,}, |
6335d055 | 500 | .ops = &ssm2602_dai_ops, |
a010ff62 LPC |
501 | .symmetric_rates = 1, |
502 | .symmetric_samplebits = 1, | |
b7138212 | 503 | }; |
b7138212 | 504 | |
84b315ee | 505 | static int ssm2602_suspend(struct snd_soc_codec *codec) |
b7138212 | 506 | { |
b7138212 CC |
507 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); |
508 | return 0; | |
509 | } | |
510 | ||
f0fba2ad | 511 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 512 | { |
9d863b88 | 513 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
93547e89 | 514 | |
9d863b88 | 515 | regcache_sync(ssm2602->regmap); |
b7138212 | 516 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
93547e89 | 517 | |
b7138212 CC |
518 | return 0; |
519 | } | |
520 | ||
c924dc68 | 521 | static int ssm2602_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 522 | { |
bec3d9a9 | 523 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b1f7b2b5 | 524 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
2ee9c183 | 525 | int ret; |
b1f7b2b5 | 526 | |
bec3d9a9 | 527 | regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, |
2ee9c183 | 528 | LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); |
bec3d9a9 | 529 | regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, |
2ee9c183 | 530 | ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); |
b1f7b2b5 | 531 | |
022658be | 532 | ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, |
b1f7b2b5 LPC |
533 | ARRAY_SIZE(ssm2602_snd_controls)); |
534 | if (ret) | |
535 | return ret; | |
536 | ||
537 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
538 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
539 | if (ret) | |
540 | return ret; | |
541 | ||
542 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
543 | ARRAY_SIZE(ssm2602_routes)); | |
544 | } | |
545 | ||
c924dc68 | 546 | static int ssm2604_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 LPC |
547 | { |
548 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
549 | int ret; | |
550 | ||
551 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
552 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
553 | if (ret) | |
554 | return ret; | |
555 | ||
556 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
557 | ARRAY_SIZE(ssm2604_routes)); | |
558 | } | |
559 | ||
c924dc68 | 560 | static int ssm260x_codec_probe(struct snd_soc_codec *codec) |
b7138212 | 561 | { |
f0fba2ad | 562 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 563 | int ret; |
f0fba2ad | 564 | |
bec3d9a9 | 565 | ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); |
93547e89 CC |
566 | if (ret < 0) { |
567 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
568 | return ret; | |
569 | } | |
b7138212 | 570 | |
b7138212 | 571 | /* set the update bits */ |
bec3d9a9 | 572 | regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, |
2ee9c183 | 573 | LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); |
bec3d9a9 | 574 | regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, |
2ee9c183 | 575 | RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); |
b7138212 | 576 | /*select Line in as default input*/ |
bec3d9a9 | 577 | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 578 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 579 | |
b1f7b2b5 LPC |
580 | switch (ssm2602->type) { |
581 | case SSM2602: | |
c924dc68 | 582 | ret = ssm2602_codec_probe(codec); |
b1f7b2b5 LPC |
583 | break; |
584 | case SSM2604: | |
c924dc68 | 585 | ret = ssm2604_codec_probe(codec); |
b1f7b2b5 LPC |
586 | break; |
587 | } | |
b7138212 | 588 | |
a9d1974e LPC |
589 | if (ret) |
590 | return ret; | |
591 | ||
592 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
593 | ||
594 | return 0; | |
f0fba2ad | 595 | } |
b7138212 | 596 | |
f0fba2ad LG |
597 | /* remove everything here */ |
598 | static int ssm2602_remove(struct snd_soc_codec *codec) | |
599 | { | |
600 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
601 | return 0; | |
b7138212 CC |
602 | } |
603 | ||
f0fba2ad | 604 | static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
c924dc68 | 605 | .probe = ssm260x_codec_probe, |
f0fba2ad LG |
606 | .remove = ssm2602_remove, |
607 | .suspend = ssm2602_suspend, | |
608 | .resume = ssm2602_resume, | |
f0fba2ad | 609 | .set_bias_level = ssm2602_set_bias_level, |
b1f7b2b5 LPC |
610 | |
611 | .controls = ssm260x_snd_controls, | |
612 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
613 | .dapm_widgets = ssm260x_dapm_widgets, | |
614 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
615 | .dapm_routes = ssm260x_routes, | |
616 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
f0fba2ad | 617 | }; |
b7138212 | 618 | |
bec3d9a9 LPC |
619 | static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) |
620 | { | |
621 | return reg == SSM2602_RESET; | |
622 | } | |
623 | ||
c924dc68 | 624 | const struct regmap_config ssm2602_regmap_config = { |
bec3d9a9 LPC |
625 | .val_bits = 9, |
626 | .reg_bits = 7, | |
627 | ||
628 | .max_register = SSM2602_RESET, | |
629 | .volatile_reg = ssm2602_register_volatile, | |
630 | ||
631 | .cache_type = REGCACHE_RBTREE, | |
632 | .reg_defaults_raw = ssm2602_reg, | |
633 | .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg), | |
634 | }; | |
c924dc68 | 635 | EXPORT_SYMBOL_GPL(ssm2602_regmap_config); |
bec3d9a9 | 636 | |
c924dc68 LPC |
637 | int ssm2602_probe(struct device *dev, enum ssm2602_type type, |
638 | struct regmap *regmap) | |
b39e2855 MF |
639 | { |
640 | struct ssm2602_priv *ssm2602; | |
b39e2855 | 641 | |
c924dc68 LPC |
642 | if (IS_ERR(regmap)) |
643 | return PTR_ERR(regmap); | |
b7138212 | 644 | |
c924dc68 | 645 | ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); |
f0fba2ad LG |
646 | if (ssm2602 == NULL) |
647 | return -ENOMEM; | |
b7138212 | 648 | |
c924dc68 | 649 | dev_set_drvdata(dev, ssm2602); |
fe2a08b3 | 650 | ssm2602->type = type; |
c924dc68 | 651 | ssm2602->regmap = regmap; |
b39e2855 | 652 | |
c924dc68 LPC |
653 | return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602, |
654 | &ssm2602_dai, 1); | |
64089b84 | 655 | } |
c924dc68 | 656 | EXPORT_SYMBOL_GPL(ssm2602_probe); |
64089b84 | 657 | |
7dcf2760 | 658 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
659 | MODULE_AUTHOR("Cliff Cai"); |
660 | MODULE_LICENSE("GPL"); |