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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> | |
30 | #include <linux/moduleparam.h> | |
31 | #include <linux/init.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/pm.h> | |
34 | #include <linux/i2c.h> | |
b39e2855 | 35 | #include <linux/spi/spi.h> |
bec3d9a9 | 36 | #include <linux/regmap.h> |
5a0e3ad6 | 37 | #include <linux/slab.h> |
b7138212 CC |
38 | #include <sound/core.h> |
39 | #include <sound/pcm.h> | |
40 | #include <sound/pcm_params.h> | |
41 | #include <sound/soc.h> | |
b7138212 | 42 | #include <sound/initval.h> |
f3eee00d | 43 | #include <sound/tlv.h> |
b7138212 CC |
44 | |
45 | #include "ssm2602.h" | |
46 | ||
b1f7b2b5 LPC |
47 | enum ssm2602_type { |
48 | SSM2602, | |
49 | SSM2604, | |
50 | }; | |
51 | ||
b7138212 CC |
52 | /* codec private data */ |
53 | struct ssm2602_priv { | |
54 | unsigned int sysclk; | |
8b3f39da | 55 | struct snd_pcm_hw_constraint_list *sysclk_constraints; |
b7138212 CC |
56 | struct snd_pcm_substream *master_substream; |
57 | struct snd_pcm_substream *slave_substream; | |
b1f7b2b5 | 58 | |
bec3d9a9 LPC |
59 | struct regmap *regmap; |
60 | ||
b1f7b2b5 | 61 | enum ssm2602_type type; |
02890535 | 62 | unsigned int clk_out_pwr; |
b7138212 CC |
63 | }; |
64 | ||
65 | /* | |
66 | * ssm2602 register cache | |
67 | * We can't read the ssm2602 register space when we are | |
68 | * using 2 wire for device control, so we cache them instead. | |
69 | * There is no point in caching the reset register | |
70 | */ | |
71 | static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = { | |
7164bdb6 LPC |
72 | 0x0097, 0x0097, 0x0079, 0x0079, |
73 | 0x000a, 0x0008, 0x009f, 0x000a, | |
b7138212 CC |
74 | 0x0000, 0x0000 |
75 | }; | |
76 | ||
b7138212 CC |
77 | |
78 | /*Appending several "None"s just for OSS mixer use*/ | |
79 | static const char *ssm2602_input_select[] = { | |
80 | "Line", "Mic", "None", "None", "None", | |
81 | "None", "None", "None", | |
82 | }; | |
83 | ||
84 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
85 | ||
86 | static const struct soc_enum ssm2602_enum[] = { | |
87 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select), | |
88 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph), | |
89 | }; | |
90 | ||
f3eee00d LPC |
91 | static const unsigned int ssm260x_outmix_tlv[] = { |
92 | TLV_DB_RANGE_HEAD(2), | |
93 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), | |
94 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0), | |
95 | }; | |
96 | ||
97 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
98 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
99 | ||
b1f7b2b5 | 100 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
101 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
102 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 103 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 104 | |
b1f7b2b5 LPC |
105 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
106 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
107 | ||
108 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
109 | }; | |
110 | ||
111 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
112 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
113 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
114 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
115 | 7, 1, 0), | |
f3eee00d LPC |
116 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
117 | ssm260x_sidetone_tlv), | |
b7138212 CC |
118 | |
119 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 120 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 121 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
122 | }; |
123 | ||
b7138212 | 124 | /* Output Mixer */ |
b1f7b2b5 | 125 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 126 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 127 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 128 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
129 | }; |
130 | ||
131 | /* Input mux */ | |
132 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
133 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
134 | ||
b1f7b2b5 | 135 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 136 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
137 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
138 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
139 | ||
3afb1b3e | 140 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 141 | |
b7138212 | 142 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 143 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
144 | SND_SOC_DAPM_INPUT("RLINEIN"), |
145 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
146 | }; | |
147 | ||
148 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
149 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
150 | ssm260x_output_mixer_controls, | |
151 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
152 | ||
b7138212 | 153 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 154 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
155 | |
156 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
157 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 158 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
159 | }; |
160 | ||
b1f7b2b5 LPC |
161 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
162 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
163 | ssm260x_output_mixer_controls, | |
164 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
165 | }; | |
166 | ||
167 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
168 | {"DAC", NULL, "Digital Core Power"}, |
169 | {"ADC", NULL, "Digital Core Power"}, | |
170 | ||
b7138212 CC |
171 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
172 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
173 | |
174 | {"ROUT", NULL, "Output Mixer"}, | |
175 | {"LOUT", NULL, "Output Mixer"}, | |
176 | ||
177 | {"Line Input", NULL, "LLINEIN"}, | |
178 | {"Line Input", NULL, "RLINEIN"}, | |
179 | }; | |
180 | ||
181 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
182 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
183 | ||
b7138212 | 184 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 185 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 186 | |
b7138212 CC |
187 | {"Input Mux", "Line", "Line Input"}, |
188 | {"Input Mux", "Mic", "Mic Bias"}, | |
189 | {"ADC", NULL, "Input Mux"}, | |
190 | ||
b7138212 CC |
191 | {"Mic Bias", NULL, "MICIN"}, |
192 | }; | |
193 | ||
b1f7b2b5 LPC |
194 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
195 | {"ADC", NULL, "Line Input"}, | |
196 | }; | |
b7138212 | 197 | |
8b3f39da LPC |
198 | static const unsigned int ssm2602_rates_12288000[] = { |
199 | 8000, 32000, 48000, 96000, | |
200 | }; | |
201 | ||
202 | static struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { | |
203 | .list = ssm2602_rates_12288000, | |
204 | .count = ARRAY_SIZE(ssm2602_rates_12288000), | |
205 | }; | |
206 | ||
207 | static const unsigned int ssm2602_rates_11289600[] = { | |
208 | 8000, 44100, 88200, | |
209 | }; | |
210 | ||
211 | static struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { | |
212 | .list = ssm2602_rates_11289600, | |
213 | .count = ARRAY_SIZE(ssm2602_rates_11289600), | |
214 | }; | |
215 | ||
0b4cd2e0 | 216 | struct ssm2602_coeff { |
b7138212 CC |
217 | u32 mclk; |
218 | u32 rate; | |
0b4cd2e0 | 219 | u8 srate; |
b7138212 CC |
220 | }; |
221 | ||
0b4cd2e0 LPC |
222 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
223 | ||
224 | /* codec mclk clock coefficients */ | |
225 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 226 | /* 48k */ |
0b4cd2e0 LPC |
227 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
228 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
229 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
230 | |
231 | /* 32k */ | |
0b4cd2e0 LPC |
232 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
233 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
234 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 CC |
235 | |
236 | /* 8k */ | |
0b4cd2e0 LPC |
237 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
238 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
239 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
240 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
241 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
242 | |
243 | /* 96k */ | |
0b4cd2e0 LPC |
244 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
245 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
246 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 CC |
247 | |
248 | /* 44.1k */ | |
0b4cd2e0 LPC |
249 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
250 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
251 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
252 | |
253 | /* 88.2k */ | |
0b4cd2e0 LPC |
254 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
255 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
256 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
257 | }; |
258 | ||
0b4cd2e0 | 259 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
260 | { |
261 | int i; | |
262 | ||
0b4cd2e0 LPC |
263 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
264 | if (ssm2602_coeff_table[i].rate == rate && | |
265 | ssm2602_coeff_table[i].mclk == mclk) | |
266 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 267 | } |
0b4cd2e0 | 268 | return -EINVAL; |
b7138212 CC |
269 | } |
270 | ||
271 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
272 | struct snd_pcm_hw_params *params, |
273 | struct snd_soc_dai *dai) | |
b7138212 | 274 | { |
e6968a17 | 275 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 276 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
0b4cd2e0 | 277 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
bec3d9a9 | 278 | unsigned int iface; |
b7138212 | 279 | |
faab5a32 | 280 | if (substream == ssm2602->slave_substream) { |
93547e89 | 281 | dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n"); |
faab5a32 KB |
282 | return 0; |
283 | } | |
284 | ||
0b4cd2e0 LPC |
285 | if (srate < 0) |
286 | return srate; | |
b7138212 | 287 | |
bec3d9a9 | 288 | regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); |
b7138212 CC |
289 | |
290 | /* bit size */ | |
291 | switch (params_format(params)) { | |
292 | case SNDRV_PCM_FORMAT_S16_LE: | |
bec3d9a9 | 293 | iface = 0x0; |
b7138212 CC |
294 | break; |
295 | case SNDRV_PCM_FORMAT_S20_3LE: | |
bec3d9a9 | 296 | iface = 0x4; |
b7138212 CC |
297 | break; |
298 | case SNDRV_PCM_FORMAT_S24_LE: | |
bec3d9a9 | 299 | iface = 0x8; |
b7138212 CC |
300 | break; |
301 | case SNDRV_PCM_FORMAT_S32_LE: | |
bec3d9a9 | 302 | iface = 0xc; |
b7138212 | 303 | break; |
bec3d9a9 LPC |
304 | default: |
305 | return -EINVAL; | |
b7138212 | 306 | } |
bec3d9a9 LPC |
307 | regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, |
308 | IFACE_AUDIO_DATA_LEN, iface); | |
b7138212 CC |
309 | return 0; |
310 | } | |
311 | ||
dee89c4d MB |
312 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
313 | struct snd_soc_dai *dai) | |
b7138212 | 314 | { |
e6968a17 | 315 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 316 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
317 | struct snd_pcm_runtime *master_runtime; |
318 | ||
319 | /* The DAI has shared clocks so if we already have a playback or | |
320 | * capture going then constrain this substream to match it. | |
faab5a32 | 321 | * TODO: the ssm2602 allows pairs of non-matching PB/REC rates |
b7138212 CC |
322 | */ |
323 | if (ssm2602->master_substream) { | |
324 | master_runtime = ssm2602->master_substream->runtime; | |
26806a42 | 325 | dev_dbg(codec->dev, "Constraining to %d bits at %dHz\n", |
faab5a32 KB |
326 | master_runtime->sample_bits, |
327 | master_runtime->rate); | |
328 | ||
f692fce0 CC |
329 | if (master_runtime->rate != 0) |
330 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
331 | SNDRV_PCM_HW_PARAM_RATE, | |
332 | master_runtime->rate, | |
333 | master_runtime->rate); | |
334 | ||
335 | if (master_runtime->sample_bits != 0) | |
336 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
337 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
338 | master_runtime->sample_bits, | |
339 | master_runtime->sample_bits); | |
b7138212 CC |
340 | |
341 | ssm2602->slave_substream = substream; | |
342 | } else | |
343 | ssm2602->master_substream = substream; | |
344 | ||
8b3f39da LPC |
345 | if (ssm2602->sysclk_constraints) { |
346 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
347 | SNDRV_PCM_HW_PARAM_RATE, | |
348 | ssm2602->sysclk_constraints); | |
349 | } | |
350 | ||
b7138212 CC |
351 | return 0; |
352 | } | |
353 | ||
dee89c4d MB |
354 | static void ssm2602_shutdown(struct snd_pcm_substream *substream, |
355 | struct snd_soc_dai *dai) | |
b7138212 | 356 | { |
e6968a17 | 357 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 358 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
f692fce0 | 359 | |
faab5a32 KB |
360 | if (ssm2602->master_substream == substream) |
361 | ssm2602->master_substream = ssm2602->slave_substream; | |
362 | ||
363 | ssm2602->slave_substream = NULL; | |
b7138212 CC |
364 | } |
365 | ||
2a43801a | 366 | |
b7138212 CC |
367 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
368 | { | |
bec3d9a9 | 369 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); |
2ee9c183 | 370 | |
b7138212 | 371 | if (mute) |
bec3d9a9 | 372 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 AL |
373 | APDIGI_ENABLE_DAC_MUTE, |
374 | APDIGI_ENABLE_DAC_MUTE); | |
b7138212 | 375 | else |
bec3d9a9 | 376 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 | 377 | APDIGI_ENABLE_DAC_MUTE, 0); |
b7138212 CC |
378 | return 0; |
379 | } | |
380 | ||
381 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
382 | int clk_id, unsigned int freq, int dir) | |
383 | { | |
384 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 385 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
386 | |
387 | if (dir == SND_SOC_CLOCK_IN) { | |
388 | if (clk_id != SSM2602_SYSCLK) | |
389 | return -EINVAL; | |
390 | ||
391 | switch (freq) { | |
02890535 | 392 | case 12288000: |
02890535 | 393 | case 18432000: |
8b3f39da LPC |
394 | ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; |
395 | break; | |
396 | case 11289600: | |
397 | case 16934400: | |
398 | ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; | |
399 | break; | |
400 | case 12000000: | |
401 | ssm2602->sysclk_constraints = NULL; | |
02890535 LPC |
402 | break; |
403 | default: | |
404 | return -EINVAL; | |
405 | } | |
8b3f39da | 406 | ssm2602->sysclk = freq; |
02890535 LPC |
407 | } else { |
408 | unsigned int mask; | |
409 | ||
410 | switch (clk_id) { | |
411 | case SSM2602_CLK_CLKOUT: | |
412 | mask = PWR_CLK_OUT_PDN; | |
413 | break; | |
414 | case SSM2602_CLK_XTO: | |
415 | mask = PWR_OSC_PDN; | |
416 | break; | |
417 | default: | |
418 | return -EINVAL; | |
419 | } | |
420 | ||
421 | if (freq == 0) | |
422 | ssm2602->clk_out_pwr |= mask; | |
423 | else | |
424 | ssm2602->clk_out_pwr &= ~mask; | |
425 | ||
bec3d9a9 | 426 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 427 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); |
b7138212 | 428 | } |
02890535 LPC |
429 | |
430 | return 0; | |
b7138212 CC |
431 | } |
432 | ||
433 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
434 | unsigned int fmt) | |
435 | { | |
bec3d9a9 LPC |
436 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec); |
437 | unsigned int iface = 0; | |
b7138212 CC |
438 | |
439 | /* set master/slave audio interface */ | |
440 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
441 | case SND_SOC_DAIFMT_CBM_CFM: | |
442 | iface |= 0x0040; | |
443 | break; | |
444 | case SND_SOC_DAIFMT_CBS_CFS: | |
445 | break; | |
446 | default: | |
447 | return -EINVAL; | |
448 | } | |
449 | ||
450 | /* interface format */ | |
451 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
452 | case SND_SOC_DAIFMT_I2S: | |
453 | iface |= 0x0002; | |
454 | break; | |
455 | case SND_SOC_DAIFMT_RIGHT_J: | |
456 | break; | |
457 | case SND_SOC_DAIFMT_LEFT_J: | |
458 | iface |= 0x0001; | |
459 | break; | |
460 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 461 | iface |= 0x0013; |
b7138212 CC |
462 | break; |
463 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 464 | iface |= 0x0003; |
b7138212 CC |
465 | break; |
466 | default: | |
467 | return -EINVAL; | |
468 | } | |
469 | ||
470 | /* clock inversion */ | |
471 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
472 | case SND_SOC_DAIFMT_NB_NF: | |
473 | break; | |
474 | case SND_SOC_DAIFMT_IB_IF: | |
475 | iface |= 0x0090; | |
476 | break; | |
477 | case SND_SOC_DAIFMT_IB_NF: | |
478 | iface |= 0x0080; | |
479 | break; | |
480 | case SND_SOC_DAIFMT_NB_IF: | |
481 | iface |= 0x0010; | |
482 | break; | |
483 | default: | |
484 | return -EINVAL; | |
485 | } | |
486 | ||
487 | /* set iface */ | |
bec3d9a9 | 488 | regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); |
b7138212 CC |
489 | return 0; |
490 | } | |
491 | ||
492 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
493 | enum snd_soc_bias_level level) | |
494 | { | |
02890535 | 495 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
496 | |
497 | switch (level) { | |
498 | case SND_SOC_BIAS_ON: | |
02890535 | 499 | /* vref/mid on, osc and clkout on if enabled */ |
bec3d9a9 | 500 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
501 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
502 | ssm2602->clk_out_pwr); | |
b7138212 CC |
503 | break; |
504 | case SND_SOC_BIAS_PREPARE: | |
505 | break; | |
506 | case SND_SOC_BIAS_STANDBY: | |
507 | /* everything off except vref/vmid, */ | |
bec3d9a9 | 508 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
509 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
510 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
511 | break; |
512 | case SND_SOC_BIAS_OFF: | |
02890535 | 513 | /* everything off */ |
bec3d9a9 | 514 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 515 | PWR_POWER_OFF, PWR_POWER_OFF); |
b7138212 CC |
516 | break; |
517 | ||
518 | } | |
ce6120cc | 519 | codec->dapm.bias_level = level; |
b7138212 CC |
520 | return 0; |
521 | } | |
522 | ||
2552a710 CC |
523 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\ |
524 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ | |
525 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
b7138212 | 526 | |
5de27b6c KB |
527 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
528 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
529 | ||
85e7652d | 530 | static const struct snd_soc_dai_ops ssm2602_dai_ops = { |
6335d055 | 531 | .startup = ssm2602_startup, |
6335d055 EM |
532 | .hw_params = ssm2602_hw_params, |
533 | .shutdown = ssm2602_shutdown, | |
534 | .digital_mute = ssm2602_mute, | |
535 | .set_sysclk = ssm2602_set_dai_sysclk, | |
536 | .set_fmt = ssm2602_set_dai_fmt, | |
537 | }; | |
538 | ||
f0fba2ad LG |
539 | static struct snd_soc_dai_driver ssm2602_dai = { |
540 | .name = "ssm2602-hifi", | |
b7138212 CC |
541 | .playback = { |
542 | .stream_name = "Playback", | |
543 | .channels_min = 2, | |
544 | .channels_max = 2, | |
545 | .rates = SSM2602_RATES, | |
5de27b6c | 546 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
547 | .capture = { |
548 | .stream_name = "Capture", | |
549 | .channels_min = 2, | |
550 | .channels_max = 2, | |
551 | .rates = SSM2602_RATES, | |
5de27b6c | 552 | .formats = SSM2602_FORMATS,}, |
6335d055 | 553 | .ops = &ssm2602_dai_ops, |
b7138212 | 554 | }; |
b7138212 | 555 | |
84b315ee | 556 | static int ssm2602_suspend(struct snd_soc_codec *codec) |
b7138212 | 557 | { |
b7138212 CC |
558 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); |
559 | return 0; | |
560 | } | |
561 | ||
f0fba2ad | 562 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 563 | { |
93547e89 CC |
564 | snd_soc_cache_sync(codec); |
565 | ||
b7138212 | 566 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
93547e89 | 567 | |
b7138212 CC |
568 | return 0; |
569 | } | |
570 | ||
f0fba2ad | 571 | static int ssm2602_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 572 | { |
bec3d9a9 | 573 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b1f7b2b5 | 574 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
2ee9c183 | 575 | int ret; |
b1f7b2b5 | 576 | |
bec3d9a9 | 577 | regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, |
2ee9c183 | 578 | LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); |
bec3d9a9 | 579 | regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, |
2ee9c183 | 580 | ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); |
b1f7b2b5 | 581 | |
022658be | 582 | ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, |
b1f7b2b5 LPC |
583 | ARRAY_SIZE(ssm2602_snd_controls)); |
584 | if (ret) | |
585 | return ret; | |
586 | ||
587 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
588 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
589 | if (ret) | |
590 | return ret; | |
591 | ||
592 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
593 | ARRAY_SIZE(ssm2602_routes)); | |
594 | } | |
595 | ||
596 | static int ssm2604_probe(struct snd_soc_codec *codec) | |
597 | { | |
598 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
599 | int ret; | |
600 | ||
601 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
602 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
603 | if (ret) | |
604 | return ret; | |
605 | ||
606 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
607 | ARRAY_SIZE(ssm2604_routes)); | |
608 | } | |
609 | ||
610 | static int ssm260x_probe(struct snd_soc_codec *codec) | |
b7138212 | 611 | { |
f0fba2ad | 612 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 613 | int ret; |
f0fba2ad | 614 | |
bec3d9a9 LPC |
615 | codec->control_data = ssm2602->regmap; |
616 | ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); | |
93547e89 CC |
617 | if (ret < 0) { |
618 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
619 | return ret; | |
620 | } | |
b7138212 | 621 | |
bec3d9a9 | 622 | ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); |
93547e89 CC |
623 | if (ret < 0) { |
624 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
625 | return ret; | |
626 | } | |
b7138212 | 627 | |
b7138212 | 628 | /* set the update bits */ |
bec3d9a9 | 629 | regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, |
2ee9c183 | 630 | LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); |
bec3d9a9 | 631 | regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, |
2ee9c183 | 632 | RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); |
b7138212 | 633 | /*select Line in as default input*/ |
bec3d9a9 | 634 | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 635 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 636 | |
b1f7b2b5 LPC |
637 | switch (ssm2602->type) { |
638 | case SSM2602: | |
639 | ret = ssm2602_probe(codec); | |
640 | break; | |
641 | case SSM2604: | |
642 | ret = ssm2604_probe(codec); | |
643 | break; | |
644 | } | |
b7138212 | 645 | |
a9d1974e LPC |
646 | if (ret) |
647 | return ret; | |
648 | ||
649 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
650 | ||
651 | return 0; | |
f0fba2ad | 652 | } |
b7138212 | 653 | |
f0fba2ad LG |
654 | /* remove everything here */ |
655 | static int ssm2602_remove(struct snd_soc_codec *codec) | |
656 | { | |
657 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
658 | return 0; | |
b7138212 CC |
659 | } |
660 | ||
f0fba2ad | 661 | static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
b1f7b2b5 | 662 | .probe = ssm260x_probe, |
f0fba2ad LG |
663 | .remove = ssm2602_remove, |
664 | .suspend = ssm2602_suspend, | |
665 | .resume = ssm2602_resume, | |
f0fba2ad | 666 | .set_bias_level = ssm2602_set_bias_level, |
b1f7b2b5 LPC |
667 | |
668 | .controls = ssm260x_snd_controls, | |
669 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
670 | .dapm_widgets = ssm260x_dapm_widgets, | |
671 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
672 | .dapm_routes = ssm260x_routes, | |
673 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
f0fba2ad | 674 | }; |
b7138212 | 675 | |
bec3d9a9 LPC |
676 | static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) |
677 | { | |
678 | return reg == SSM2602_RESET; | |
679 | } | |
680 | ||
681 | static const struct regmap_config ssm2602_regmap_config = { | |
682 | .val_bits = 9, | |
683 | .reg_bits = 7, | |
684 | ||
685 | .max_register = SSM2602_RESET, | |
686 | .volatile_reg = ssm2602_register_volatile, | |
687 | ||
688 | .cache_type = REGCACHE_RBTREE, | |
689 | .reg_defaults_raw = ssm2602_reg, | |
690 | .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg), | |
691 | }; | |
692 | ||
b39e2855 | 693 | #if defined(CONFIG_SPI_MASTER) |
7a79e94e | 694 | static int ssm2602_spi_probe(struct spi_device *spi) |
b39e2855 MF |
695 | { |
696 | struct ssm2602_priv *ssm2602; | |
697 | int ret; | |
698 | ||
8eeffe98 AL |
699 | ssm2602 = devm_kzalloc(&spi->dev, sizeof(struct ssm2602_priv), |
700 | GFP_KERNEL); | |
b39e2855 MF |
701 | if (ssm2602 == NULL) |
702 | return -ENOMEM; | |
703 | ||
704 | spi_set_drvdata(spi, ssm2602); | |
b1f7b2b5 | 705 | ssm2602->type = SSM2602; |
b39e2855 | 706 | |
bec3d9a9 LPC |
707 | ssm2602->regmap = devm_regmap_init_spi(spi, &ssm2602_regmap_config); |
708 | if (IS_ERR(ssm2602->regmap)) | |
709 | return PTR_ERR(ssm2602->regmap); | |
710 | ||
b39e2855 MF |
711 | ret = snd_soc_register_codec(&spi->dev, |
712 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
b39e2855 MF |
713 | return ret; |
714 | } | |
715 | ||
7a79e94e | 716 | static int ssm2602_spi_remove(struct spi_device *spi) |
b39e2855 MF |
717 | { |
718 | snd_soc_unregister_codec(&spi->dev); | |
b39e2855 MF |
719 | return 0; |
720 | } | |
721 | ||
722 | static struct spi_driver ssm2602_spi_driver = { | |
723 | .driver = { | |
724 | .name = "ssm2602", | |
725 | .owner = THIS_MODULE, | |
726 | }, | |
727 | .probe = ssm2602_spi_probe, | |
7a79e94e | 728 | .remove = ssm2602_spi_remove, |
b39e2855 MF |
729 | }; |
730 | #endif | |
731 | ||
b7138212 CC |
732 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
733 | /* | |
734 | * ssm2602 2 wire address is determined by GPIO5 | |
735 | * state during powerup. | |
736 | * low = 0x1a | |
737 | * high = 0x1b | |
738 | */ | |
7a79e94e | 739 | static int ssm2602_i2c_probe(struct i2c_client *i2c, |
b7138212 CC |
740 | const struct i2c_device_id *id) |
741 | { | |
f0fba2ad | 742 | struct ssm2602_priv *ssm2602; |
b7138212 CC |
743 | int ret; |
744 | ||
8eeffe98 AL |
745 | ssm2602 = devm_kzalloc(&i2c->dev, sizeof(struct ssm2602_priv), |
746 | GFP_KERNEL); | |
f0fba2ad LG |
747 | if (ssm2602 == NULL) |
748 | return -ENOMEM; | |
b7138212 | 749 | |
f0fba2ad | 750 | i2c_set_clientdata(i2c, ssm2602); |
b1f7b2b5 | 751 | ssm2602->type = id->driver_data; |
b7138212 | 752 | |
bec3d9a9 LPC |
753 | ssm2602->regmap = devm_regmap_init_i2c(i2c, &ssm2602_regmap_config); |
754 | if (IS_ERR(ssm2602->regmap)) | |
755 | return PTR_ERR(ssm2602->regmap); | |
756 | ||
f0fba2ad LG |
757 | ret = snd_soc_register_codec(&i2c->dev, |
758 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
b7138212 CC |
759 | return ret; |
760 | } | |
761 | ||
7a79e94e | 762 | static int ssm2602_i2c_remove(struct i2c_client *client) |
b7138212 | 763 | { |
f0fba2ad | 764 | snd_soc_unregister_codec(&client->dev); |
b7138212 CC |
765 | return 0; |
766 | } | |
767 | ||
768 | static const struct i2c_device_id ssm2602_i2c_id[] = { | |
b1f7b2b5 | 769 | { "ssm2602", SSM2602 }, |
7dcf2760 | 770 | { "ssm2603", SSM2602 }, |
b1f7b2b5 | 771 | { "ssm2604", SSM2604 }, |
b7138212 CC |
772 | { } |
773 | }; | |
774 | MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); | |
f0fba2ad | 775 | |
b7138212 CC |
776 | /* corgi i2c codec control layer */ |
777 | static struct i2c_driver ssm2602_i2c_driver = { | |
778 | .driver = { | |
2a161018 | 779 | .name = "ssm2602", |
b7138212 CC |
780 | .owner = THIS_MODULE, |
781 | }, | |
782 | .probe = ssm2602_i2c_probe, | |
7a79e94e | 783 | .remove = ssm2602_i2c_remove, |
b7138212 CC |
784 | .id_table = ssm2602_i2c_id, |
785 | }; | |
b7138212 CC |
786 | #endif |
787 | ||
f0fba2ad LG |
788 | |
789 | static int __init ssm2602_modinit(void) | |
b7138212 | 790 | { |
b7138212 | 791 | int ret = 0; |
b39e2855 MF |
792 | |
793 | #if defined(CONFIG_SPI_MASTER) | |
794 | ret = spi_register_driver(&ssm2602_spi_driver); | |
795 | if (ret) | |
796 | return ret; | |
797 | #endif | |
798 | ||
b7138212 | 799 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
f0fba2ad | 800 | ret = i2c_add_driver(&ssm2602_i2c_driver); |
b39e2855 MF |
801 | if (ret) |
802 | return ret; | |
b7138212 | 803 | #endif |
b39e2855 | 804 | |
b7138212 CC |
805 | return ret; |
806 | } | |
f0fba2ad | 807 | module_init(ssm2602_modinit); |
b7138212 | 808 | |
f0fba2ad | 809 | static void __exit ssm2602_exit(void) |
b7138212 | 810 | { |
b39e2855 MF |
811 | #if defined(CONFIG_SPI_MASTER) |
812 | spi_unregister_driver(&ssm2602_spi_driver); | |
813 | #endif | |
814 | ||
b7138212 | 815 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
b7138212 CC |
816 | i2c_del_driver(&ssm2602_i2c_driver); |
817 | #endif | |
64089b84 MB |
818 | } |
819 | module_exit(ssm2602_exit); | |
820 | ||
7dcf2760 | 821 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
822 | MODULE_AUTHOR("Cliff Cai"); |
823 | MODULE_LICENSE("GPL"); |