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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[] = { | |
66 | "Line", "Mic", "None", "None", "None", | |
67 | "None", "None", "None", | |
68 | }; | |
69 | ||
70 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
71 | ||
72 | static const struct soc_enum ssm2602_enum[] = { | |
73 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select), | |
74 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph), | |
75 | }; | |
76 | ||
f3eee00d LPC |
77 | static const unsigned int ssm260x_outmix_tlv[] = { |
78 | TLV_DB_RANGE_HEAD(2), | |
79 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), | |
80 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0), | |
81 | }; | |
82 | ||
83 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
84 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
85 | ||
b1f7b2b5 | 86 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
87 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
88 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 89 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 90 | |
b1f7b2b5 LPC |
91 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
92 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
93 | ||
94 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
95 | }; | |
96 | ||
97 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
98 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
99 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
100 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
101 | 7, 1, 0), | |
f3eee00d LPC |
102 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
103 | ssm260x_sidetone_tlv), | |
b7138212 CC |
104 | |
105 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 106 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 107 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
108 | }; |
109 | ||
b7138212 | 110 | /* Output Mixer */ |
b1f7b2b5 | 111 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 112 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 113 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 114 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
115 | }; |
116 | ||
117 | /* Input mux */ | |
118 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
119 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
120 | ||
b1f7b2b5 | 121 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 122 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
123 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
124 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
125 | ||
3afb1b3e | 126 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 127 | |
b7138212 | 128 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 129 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
130 | SND_SOC_DAPM_INPUT("RLINEIN"), |
131 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
132 | }; | |
133 | ||
134 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
135 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
136 | ssm260x_output_mixer_controls, | |
137 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
138 | ||
b7138212 | 139 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 140 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
141 | |
142 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
143 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 144 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
145 | }; |
146 | ||
b1f7b2b5 LPC |
147 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
148 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
149 | ssm260x_output_mixer_controls, | |
150 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
151 | }; | |
152 | ||
153 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
154 | {"DAC", NULL, "Digital Core Power"}, |
155 | {"ADC", NULL, "Digital Core Power"}, | |
156 | ||
b7138212 CC |
157 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
158 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
159 | |
160 | {"ROUT", NULL, "Output Mixer"}, | |
161 | {"LOUT", NULL, "Output Mixer"}, | |
162 | ||
163 | {"Line Input", NULL, "LLINEIN"}, | |
164 | {"Line Input", NULL, "RLINEIN"}, | |
165 | }; | |
166 | ||
167 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
168 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
169 | ||
b7138212 | 170 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 171 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 172 | |
b7138212 CC |
173 | {"Input Mux", "Line", "Line Input"}, |
174 | {"Input Mux", "Mic", "Mic Bias"}, | |
175 | {"ADC", NULL, "Input Mux"}, | |
176 | ||
b7138212 CC |
177 | {"Mic Bias", NULL, "MICIN"}, |
178 | }; | |
179 | ||
b1f7b2b5 LPC |
180 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
181 | {"ADC", NULL, "Line Input"}, | |
182 | }; | |
b7138212 | 183 | |
8b3f39da | 184 | static const unsigned int ssm2602_rates_12288000[] = { |
7ae2b55b | 185 | 8000, 16000, 32000, 48000, 96000, |
8b3f39da LPC |
186 | }; |
187 | ||
f75ac2d9 | 188 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { |
8b3f39da LPC |
189 | .list = ssm2602_rates_12288000, |
190 | .count = ARRAY_SIZE(ssm2602_rates_12288000), | |
191 | }; | |
192 | ||
193 | static const unsigned int ssm2602_rates_11289600[] = { | |
194 | 8000, 44100, 88200, | |
195 | }; | |
196 | ||
f75ac2d9 | 197 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { |
8b3f39da LPC |
198 | .list = ssm2602_rates_11289600, |
199 | .count = ARRAY_SIZE(ssm2602_rates_11289600), | |
200 | }; | |
201 | ||
0b4cd2e0 | 202 | struct ssm2602_coeff { |
b7138212 CC |
203 | u32 mclk; |
204 | u32 rate; | |
0b4cd2e0 | 205 | u8 srate; |
b7138212 CC |
206 | }; |
207 | ||
0b4cd2e0 LPC |
208 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
209 | ||
210 | /* codec mclk clock coefficients */ | |
211 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 212 | /* 48k */ |
0b4cd2e0 LPC |
213 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
214 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
215 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
216 | |
217 | /* 32k */ | |
0b4cd2e0 LPC |
218 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
219 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
220 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 | 221 | |
7ae2b55b AP |
222 | /* 16k */ |
223 | {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, | |
224 | {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, | |
225 | {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, | |
226 | ||
b7138212 | 227 | /* 8k */ |
0b4cd2e0 LPC |
228 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
229 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
230 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
231 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
232 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
233 | |
234 | /* 96k */ | |
0b4cd2e0 LPC |
235 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
236 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
237 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 CC |
238 | |
239 | /* 44.1k */ | |
0b4cd2e0 LPC |
240 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
241 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
242 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
243 | |
244 | /* 88.2k */ | |
0b4cd2e0 LPC |
245 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
246 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
247 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
248 | }; |
249 | ||
0b4cd2e0 | 250 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
251 | { |
252 | int i; | |
253 | ||
0b4cd2e0 LPC |
254 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
255 | if (ssm2602_coeff_table[i].rate == rate && | |
256 | ssm2602_coeff_table[i].mclk == mclk) | |
257 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 258 | } |
0b4cd2e0 | 259 | return -EINVAL; |
b7138212 CC |
260 | } |
261 | ||
262 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
263 | struct snd_pcm_hw_params *params, |
264 | struct snd_soc_dai *dai) | |
b7138212 | 265 | { |
e6968a17 | 266 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 267 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
0b4cd2e0 | 268 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
bec3d9a9 | 269 | unsigned int iface; |
b7138212 | 270 | |
0b4cd2e0 LPC |
271 | if (srate < 0) |
272 | return srate; | |
b7138212 | 273 | |
bec3d9a9 | 274 | regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); |
b7138212 CC |
275 | |
276 | /* bit size */ | |
277 | switch (params_format(params)) { | |
278 | case SNDRV_PCM_FORMAT_S16_LE: | |
bec3d9a9 | 279 | iface = 0x0; |
b7138212 CC |
280 | break; |
281 | case SNDRV_PCM_FORMAT_S20_3LE: | |
bec3d9a9 | 282 | iface = 0x4; |
b7138212 CC |
283 | break; |
284 | case SNDRV_PCM_FORMAT_S24_LE: | |
bec3d9a9 | 285 | iface = 0x8; |
b7138212 CC |
286 | break; |
287 | case SNDRV_PCM_FORMAT_S32_LE: | |
bec3d9a9 | 288 | iface = 0xc; |
b7138212 | 289 | break; |
bec3d9a9 LPC |
290 | default: |
291 | return -EINVAL; | |
b7138212 | 292 | } |
bec3d9a9 LPC |
293 | regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, |
294 | IFACE_AUDIO_DATA_LEN, iface); | |
b7138212 CC |
295 | return 0; |
296 | } | |
297 | ||
dee89c4d MB |
298 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
299 | struct snd_soc_dai *dai) | |
b7138212 | 300 | { |
e6968a17 | 301 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 302 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 | 303 | |
8b3f39da LPC |
304 | if (ssm2602->sysclk_constraints) { |
305 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
306 | SNDRV_PCM_HW_PARAM_RATE, | |
307 | ssm2602->sysclk_constraints); | |
308 | } | |
309 | ||
b7138212 CC |
310 | return 0; |
311 | } | |
312 | ||
b7138212 CC |
313 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
314 | { | |
bec3d9a9 | 315 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); |
2ee9c183 | 316 | |
b7138212 | 317 | if (mute) |
bec3d9a9 | 318 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 AL |
319 | APDIGI_ENABLE_DAC_MUTE, |
320 | APDIGI_ENABLE_DAC_MUTE); | |
b7138212 | 321 | else |
bec3d9a9 | 322 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 | 323 | APDIGI_ENABLE_DAC_MUTE, 0); |
b7138212 CC |
324 | return 0; |
325 | } | |
326 | ||
327 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
328 | int clk_id, unsigned int freq, int dir) | |
329 | { | |
330 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 331 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
332 | |
333 | if (dir == SND_SOC_CLOCK_IN) { | |
334 | if (clk_id != SSM2602_SYSCLK) | |
335 | return -EINVAL; | |
336 | ||
337 | switch (freq) { | |
02890535 | 338 | case 12288000: |
02890535 | 339 | case 18432000: |
8b3f39da LPC |
340 | ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; |
341 | break; | |
342 | case 11289600: | |
343 | case 16934400: | |
344 | ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; | |
345 | break; | |
346 | case 12000000: | |
347 | ssm2602->sysclk_constraints = NULL; | |
02890535 LPC |
348 | break; |
349 | default: | |
350 | return -EINVAL; | |
351 | } | |
8b3f39da | 352 | ssm2602->sysclk = freq; |
02890535 LPC |
353 | } else { |
354 | unsigned int mask; | |
355 | ||
356 | switch (clk_id) { | |
357 | case SSM2602_CLK_CLKOUT: | |
358 | mask = PWR_CLK_OUT_PDN; | |
359 | break; | |
360 | case SSM2602_CLK_XTO: | |
361 | mask = PWR_OSC_PDN; | |
362 | break; | |
363 | default: | |
364 | return -EINVAL; | |
365 | } | |
366 | ||
367 | if (freq == 0) | |
368 | ssm2602->clk_out_pwr |= mask; | |
369 | else | |
370 | ssm2602->clk_out_pwr &= ~mask; | |
371 | ||
bec3d9a9 | 372 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 373 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); |
b7138212 | 374 | } |
02890535 LPC |
375 | |
376 | return 0; | |
b7138212 CC |
377 | } |
378 | ||
379 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
380 | unsigned int fmt) | |
381 | { | |
bec3d9a9 LPC |
382 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec); |
383 | unsigned int iface = 0; | |
b7138212 CC |
384 | |
385 | /* set master/slave audio interface */ | |
386 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
387 | case SND_SOC_DAIFMT_CBM_CFM: | |
388 | iface |= 0x0040; | |
389 | break; | |
390 | case SND_SOC_DAIFMT_CBS_CFS: | |
391 | break; | |
392 | default: | |
393 | return -EINVAL; | |
394 | } | |
395 | ||
396 | /* interface format */ | |
397 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
398 | case SND_SOC_DAIFMT_I2S: | |
399 | iface |= 0x0002; | |
400 | break; | |
401 | case SND_SOC_DAIFMT_RIGHT_J: | |
402 | break; | |
403 | case SND_SOC_DAIFMT_LEFT_J: | |
404 | iface |= 0x0001; | |
405 | break; | |
406 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 407 | iface |= 0x0013; |
b7138212 CC |
408 | break; |
409 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 410 | iface |= 0x0003; |
b7138212 CC |
411 | break; |
412 | default: | |
413 | return -EINVAL; | |
414 | } | |
415 | ||
416 | /* clock inversion */ | |
417 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
418 | case SND_SOC_DAIFMT_NB_NF: | |
419 | break; | |
420 | case SND_SOC_DAIFMT_IB_IF: | |
421 | iface |= 0x0090; | |
422 | break; | |
423 | case SND_SOC_DAIFMT_IB_NF: | |
424 | iface |= 0x0080; | |
425 | break; | |
426 | case SND_SOC_DAIFMT_NB_IF: | |
427 | iface |= 0x0010; | |
428 | break; | |
429 | default: | |
430 | return -EINVAL; | |
431 | } | |
432 | ||
433 | /* set iface */ | |
bec3d9a9 | 434 | regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); |
b7138212 CC |
435 | return 0; |
436 | } | |
437 | ||
438 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
439 | enum snd_soc_bias_level level) | |
440 | { | |
02890535 | 441 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
442 | |
443 | switch (level) { | |
444 | case SND_SOC_BIAS_ON: | |
02890535 | 445 | /* vref/mid on, osc and clkout on if enabled */ |
bec3d9a9 | 446 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
447 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
448 | ssm2602->clk_out_pwr); | |
b7138212 CC |
449 | break; |
450 | case SND_SOC_BIAS_PREPARE: | |
451 | break; | |
452 | case SND_SOC_BIAS_STANDBY: | |
453 | /* everything off except vref/vmid, */ | |
bec3d9a9 | 454 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
455 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
456 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
457 | break; |
458 | case SND_SOC_BIAS_OFF: | |
02890535 | 459 | /* everything off */ |
bec3d9a9 | 460 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 461 | PWR_POWER_OFF, PWR_POWER_OFF); |
b7138212 CC |
462 | break; |
463 | ||
464 | } | |
ce6120cc | 465 | codec->dapm.bias_level = level; |
b7138212 CC |
466 | return 0; |
467 | } | |
468 | ||
7ae2b55b AP |
469 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ |
470 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ | |
471 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ | |
472 | SNDRV_PCM_RATE_96000) | |
b7138212 | 473 | |
5de27b6c KB |
474 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
475 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
476 | ||
85e7652d | 477 | static const struct snd_soc_dai_ops ssm2602_dai_ops = { |
6335d055 | 478 | .startup = ssm2602_startup, |
6335d055 | 479 | .hw_params = ssm2602_hw_params, |
6335d055 EM |
480 | .digital_mute = ssm2602_mute, |
481 | .set_sysclk = ssm2602_set_dai_sysclk, | |
482 | .set_fmt = ssm2602_set_dai_fmt, | |
483 | }; | |
484 | ||
f0fba2ad LG |
485 | static struct snd_soc_dai_driver ssm2602_dai = { |
486 | .name = "ssm2602-hifi", | |
b7138212 CC |
487 | .playback = { |
488 | .stream_name = "Playback", | |
489 | .channels_min = 2, | |
490 | .channels_max = 2, | |
491 | .rates = SSM2602_RATES, | |
5de27b6c | 492 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
493 | .capture = { |
494 | .stream_name = "Capture", | |
495 | .channels_min = 2, | |
496 | .channels_max = 2, | |
497 | .rates = SSM2602_RATES, | |
5de27b6c | 498 | .formats = SSM2602_FORMATS,}, |
6335d055 | 499 | .ops = &ssm2602_dai_ops, |
a010ff62 LPC |
500 | .symmetric_rates = 1, |
501 | .symmetric_samplebits = 1, | |
b7138212 | 502 | }; |
b7138212 | 503 | |
84b315ee | 504 | static int ssm2602_suspend(struct snd_soc_codec *codec) |
b7138212 | 505 | { |
b7138212 CC |
506 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); |
507 | return 0; | |
508 | } | |
509 | ||
f0fba2ad | 510 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 511 | { |
9d863b88 | 512 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
93547e89 | 513 | |
9d863b88 | 514 | regcache_sync(ssm2602->regmap); |
b7138212 | 515 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
93547e89 | 516 | |
b7138212 CC |
517 | return 0; |
518 | } | |
519 | ||
c924dc68 | 520 | static int ssm2602_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 521 | { |
bec3d9a9 | 522 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b1f7b2b5 | 523 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
2ee9c183 | 524 | int ret; |
b1f7b2b5 | 525 | |
bec3d9a9 | 526 | regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, |
2ee9c183 | 527 | LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); |
bec3d9a9 | 528 | regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, |
2ee9c183 | 529 | ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); |
b1f7b2b5 | 530 | |
022658be | 531 | ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, |
b1f7b2b5 LPC |
532 | ARRAY_SIZE(ssm2602_snd_controls)); |
533 | if (ret) | |
534 | return ret; | |
535 | ||
536 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
537 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
538 | if (ret) | |
539 | return ret; | |
540 | ||
541 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
542 | ARRAY_SIZE(ssm2602_routes)); | |
543 | } | |
544 | ||
c924dc68 | 545 | static int ssm2604_codec_probe(struct snd_soc_codec *codec) |
b1f7b2b5 LPC |
546 | { |
547 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
548 | int ret; | |
549 | ||
550 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
551 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
552 | if (ret) | |
553 | return ret; | |
554 | ||
555 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
556 | ARRAY_SIZE(ssm2604_routes)); | |
557 | } | |
558 | ||
c924dc68 | 559 | static int ssm260x_codec_probe(struct snd_soc_codec *codec) |
b7138212 | 560 | { |
f0fba2ad | 561 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 562 | int ret; |
f0fba2ad | 563 | |
bec3d9a9 LPC |
564 | codec->control_data = ssm2602->regmap; |
565 | ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); | |
93547e89 CC |
566 | if (ret < 0) { |
567 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
568 | return ret; | |
569 | } | |
b7138212 | 570 | |
bec3d9a9 | 571 | ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); |
93547e89 CC |
572 | if (ret < 0) { |
573 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
574 | return ret; | |
575 | } | |
b7138212 | 576 | |
b7138212 | 577 | /* set the update bits */ |
bec3d9a9 | 578 | regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, |
2ee9c183 | 579 | LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); |
bec3d9a9 | 580 | regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, |
2ee9c183 | 581 | RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); |
b7138212 | 582 | /*select Line in as default input*/ |
bec3d9a9 | 583 | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 584 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 585 | |
b1f7b2b5 LPC |
586 | switch (ssm2602->type) { |
587 | case SSM2602: | |
c924dc68 | 588 | ret = ssm2602_codec_probe(codec); |
b1f7b2b5 LPC |
589 | break; |
590 | case SSM2604: | |
c924dc68 | 591 | ret = ssm2604_codec_probe(codec); |
b1f7b2b5 LPC |
592 | break; |
593 | } | |
b7138212 | 594 | |
a9d1974e LPC |
595 | if (ret) |
596 | return ret; | |
597 | ||
598 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
599 | ||
600 | return 0; | |
f0fba2ad | 601 | } |
b7138212 | 602 | |
f0fba2ad LG |
603 | /* remove everything here */ |
604 | static int ssm2602_remove(struct snd_soc_codec *codec) | |
605 | { | |
606 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
607 | return 0; | |
b7138212 CC |
608 | } |
609 | ||
f0fba2ad | 610 | static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
c924dc68 | 611 | .probe = ssm260x_codec_probe, |
f0fba2ad LG |
612 | .remove = ssm2602_remove, |
613 | .suspend = ssm2602_suspend, | |
614 | .resume = ssm2602_resume, | |
f0fba2ad | 615 | .set_bias_level = ssm2602_set_bias_level, |
b1f7b2b5 LPC |
616 | |
617 | .controls = ssm260x_snd_controls, | |
618 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
619 | .dapm_widgets = ssm260x_dapm_widgets, | |
620 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
621 | .dapm_routes = ssm260x_routes, | |
622 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
f0fba2ad | 623 | }; |
b7138212 | 624 | |
bec3d9a9 LPC |
625 | static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) |
626 | { | |
627 | return reg == SSM2602_RESET; | |
628 | } | |
629 | ||
c924dc68 | 630 | const struct regmap_config ssm2602_regmap_config = { |
bec3d9a9 LPC |
631 | .val_bits = 9, |
632 | .reg_bits = 7, | |
633 | ||
634 | .max_register = SSM2602_RESET, | |
635 | .volatile_reg = ssm2602_register_volatile, | |
636 | ||
637 | .cache_type = REGCACHE_RBTREE, | |
638 | .reg_defaults_raw = ssm2602_reg, | |
639 | .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg), | |
640 | }; | |
c924dc68 | 641 | EXPORT_SYMBOL_GPL(ssm2602_regmap_config); |
bec3d9a9 | 642 | |
c924dc68 LPC |
643 | int ssm2602_probe(struct device *dev, enum ssm2602_type type, |
644 | struct regmap *regmap) | |
b39e2855 MF |
645 | { |
646 | struct ssm2602_priv *ssm2602; | |
b39e2855 | 647 | |
c924dc68 LPC |
648 | if (IS_ERR(regmap)) |
649 | return PTR_ERR(regmap); | |
b7138212 | 650 | |
c924dc68 | 651 | ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); |
f0fba2ad LG |
652 | if (ssm2602 == NULL) |
653 | return -ENOMEM; | |
b7138212 | 654 | |
c924dc68 LPC |
655 | dev_set_drvdata(dev, ssm2602); |
656 | ssm2602->type = SSM2602; | |
657 | ssm2602->regmap = regmap; | |
b39e2855 | 658 | |
c924dc68 LPC |
659 | return snd_soc_register_codec(dev, &soc_codec_dev_ssm2602, |
660 | &ssm2602_dai, 1); | |
64089b84 | 661 | } |
c924dc68 | 662 | EXPORT_SYMBOL_GPL(ssm2602_probe); |
64089b84 | 663 | |
7dcf2760 | 664 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
665 | MODULE_AUTHOR("Cliff Cai"); |
666 | MODULE_LICENSE("GPL"); |