Commit | Line | Data |
---|---|---|
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; | |
f75ac2d9 | 55 | const struct snd_pcm_hw_constraint_list *sysclk_constraints; |
b1f7b2b5 | 56 | |
bec3d9a9 LPC |
57 | struct regmap *regmap; |
58 | ||
b1f7b2b5 | 59 | enum ssm2602_type type; |
02890535 | 60 | unsigned int clk_out_pwr; |
b7138212 CC |
61 | }; |
62 | ||
63 | /* | |
64 | * ssm2602 register cache | |
65 | * We can't read the ssm2602 register space when we are | |
66 | * using 2 wire for device control, so we cache them instead. | |
67 | * There is no point in caching the reset register | |
68 | */ | |
69 | static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = { | |
7164bdb6 LPC |
70 | 0x0097, 0x0097, 0x0079, 0x0079, |
71 | 0x000a, 0x0008, 0x009f, 0x000a, | |
b7138212 CC |
72 | 0x0000, 0x0000 |
73 | }; | |
74 | ||
b7138212 CC |
75 | |
76 | /*Appending several "None"s just for OSS mixer use*/ | |
77 | static const char *ssm2602_input_select[] = { | |
78 | "Line", "Mic", "None", "None", "None", | |
79 | "None", "None", "None", | |
80 | }; | |
81 | ||
82 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
83 | ||
84 | static const struct soc_enum ssm2602_enum[] = { | |
85 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select), | |
86 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph), | |
87 | }; | |
88 | ||
f3eee00d LPC |
89 | static const unsigned int ssm260x_outmix_tlv[] = { |
90 | TLV_DB_RANGE_HEAD(2), | |
91 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), | |
92 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0), | |
93 | }; | |
94 | ||
95 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
96 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
97 | ||
b1f7b2b5 | 98 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
99 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
100 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 101 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 102 | |
b1f7b2b5 LPC |
103 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
104 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
105 | ||
106 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
107 | }; | |
108 | ||
109 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
110 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
111 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
112 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
113 | 7, 1, 0), | |
f3eee00d LPC |
114 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
115 | ssm260x_sidetone_tlv), | |
b7138212 CC |
116 | |
117 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 118 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 119 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
120 | }; |
121 | ||
b7138212 | 122 | /* Output Mixer */ |
b1f7b2b5 | 123 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 124 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 125 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 126 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
127 | }; |
128 | ||
129 | /* Input mux */ | |
130 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
131 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
132 | ||
b1f7b2b5 | 133 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 134 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
135 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
136 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
137 | ||
3afb1b3e | 138 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 139 | |
b7138212 | 140 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 141 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
142 | SND_SOC_DAPM_INPUT("RLINEIN"), |
143 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
144 | }; | |
145 | ||
146 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
147 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
148 | ssm260x_output_mixer_controls, | |
149 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
150 | ||
b7138212 | 151 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 152 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
153 | |
154 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
155 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 156 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
157 | }; |
158 | ||
b1f7b2b5 LPC |
159 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
160 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
161 | ssm260x_output_mixer_controls, | |
162 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
163 | }; | |
164 | ||
165 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
166 | {"DAC", NULL, "Digital Core Power"}, |
167 | {"ADC", NULL, "Digital Core Power"}, | |
168 | ||
b7138212 CC |
169 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
170 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
171 | |
172 | {"ROUT", NULL, "Output Mixer"}, | |
173 | {"LOUT", NULL, "Output Mixer"}, | |
174 | ||
175 | {"Line Input", NULL, "LLINEIN"}, | |
176 | {"Line Input", NULL, "RLINEIN"}, | |
177 | }; | |
178 | ||
179 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
180 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
181 | ||
b7138212 | 182 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 183 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 184 | |
b7138212 CC |
185 | {"Input Mux", "Line", "Line Input"}, |
186 | {"Input Mux", "Mic", "Mic Bias"}, | |
187 | {"ADC", NULL, "Input Mux"}, | |
188 | ||
b7138212 CC |
189 | {"Mic Bias", NULL, "MICIN"}, |
190 | }; | |
191 | ||
b1f7b2b5 LPC |
192 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
193 | {"ADC", NULL, "Line Input"}, | |
194 | }; | |
b7138212 | 195 | |
8b3f39da | 196 | static const unsigned int ssm2602_rates_12288000[] = { |
7ae2b55b | 197 | 8000, 16000, 32000, 48000, 96000, |
8b3f39da LPC |
198 | }; |
199 | ||
f75ac2d9 | 200 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { |
8b3f39da LPC |
201 | .list = ssm2602_rates_12288000, |
202 | .count = ARRAY_SIZE(ssm2602_rates_12288000), | |
203 | }; | |
204 | ||
205 | static const unsigned int ssm2602_rates_11289600[] = { | |
206 | 8000, 44100, 88200, | |
207 | }; | |
208 | ||
f75ac2d9 | 209 | static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { |
8b3f39da LPC |
210 | .list = ssm2602_rates_11289600, |
211 | .count = ARRAY_SIZE(ssm2602_rates_11289600), | |
212 | }; | |
213 | ||
0b4cd2e0 | 214 | struct ssm2602_coeff { |
b7138212 CC |
215 | u32 mclk; |
216 | u32 rate; | |
0b4cd2e0 | 217 | u8 srate; |
b7138212 CC |
218 | }; |
219 | ||
0b4cd2e0 LPC |
220 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
221 | ||
222 | /* codec mclk clock coefficients */ | |
223 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 224 | /* 48k */ |
0b4cd2e0 LPC |
225 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
226 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
227 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
228 | |
229 | /* 32k */ | |
0b4cd2e0 LPC |
230 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
231 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
232 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 | 233 | |
7ae2b55b AP |
234 | /* 16k */ |
235 | {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, | |
236 | {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, | |
237 | {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, | |
238 | ||
b7138212 | 239 | /* 8k */ |
0b4cd2e0 LPC |
240 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
241 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
242 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
243 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
244 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
245 | |
246 | /* 96k */ | |
0b4cd2e0 LPC |
247 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
248 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
249 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 CC |
250 | |
251 | /* 44.1k */ | |
0b4cd2e0 LPC |
252 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
253 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
254 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
255 | |
256 | /* 88.2k */ | |
0b4cd2e0 LPC |
257 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
258 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
259 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
260 | }; |
261 | ||
0b4cd2e0 | 262 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
263 | { |
264 | int i; | |
265 | ||
0b4cd2e0 LPC |
266 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
267 | if (ssm2602_coeff_table[i].rate == rate && | |
268 | ssm2602_coeff_table[i].mclk == mclk) | |
269 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 270 | } |
0b4cd2e0 | 271 | return -EINVAL; |
b7138212 CC |
272 | } |
273 | ||
274 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
275 | struct snd_pcm_hw_params *params, |
276 | struct snd_soc_dai *dai) | |
b7138212 | 277 | { |
e6968a17 | 278 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 279 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
0b4cd2e0 | 280 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
bec3d9a9 | 281 | unsigned int iface; |
b7138212 | 282 | |
0b4cd2e0 LPC |
283 | if (srate < 0) |
284 | return srate; | |
b7138212 | 285 | |
bec3d9a9 | 286 | regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); |
b7138212 CC |
287 | |
288 | /* bit size */ | |
289 | switch (params_format(params)) { | |
290 | case SNDRV_PCM_FORMAT_S16_LE: | |
bec3d9a9 | 291 | iface = 0x0; |
b7138212 CC |
292 | break; |
293 | case SNDRV_PCM_FORMAT_S20_3LE: | |
bec3d9a9 | 294 | iface = 0x4; |
b7138212 CC |
295 | break; |
296 | case SNDRV_PCM_FORMAT_S24_LE: | |
bec3d9a9 | 297 | iface = 0x8; |
b7138212 CC |
298 | break; |
299 | case SNDRV_PCM_FORMAT_S32_LE: | |
bec3d9a9 | 300 | iface = 0xc; |
b7138212 | 301 | break; |
bec3d9a9 LPC |
302 | default: |
303 | return -EINVAL; | |
b7138212 | 304 | } |
bec3d9a9 LPC |
305 | regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, |
306 | IFACE_AUDIO_DATA_LEN, iface); | |
b7138212 CC |
307 | return 0; |
308 | } | |
309 | ||
dee89c4d MB |
310 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
311 | struct snd_soc_dai *dai) | |
b7138212 | 312 | { |
e6968a17 | 313 | struct snd_soc_codec *codec = dai->codec; |
b2c812e2 | 314 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 | 315 | |
8b3f39da LPC |
316 | if (ssm2602->sysclk_constraints) { |
317 | snd_pcm_hw_constraint_list(substream->runtime, 0, | |
318 | SNDRV_PCM_HW_PARAM_RATE, | |
319 | ssm2602->sysclk_constraints); | |
320 | } | |
321 | ||
b7138212 CC |
322 | return 0; |
323 | } | |
324 | ||
b7138212 CC |
325 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
326 | { | |
bec3d9a9 | 327 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec); |
2ee9c183 | 328 | |
b7138212 | 329 | if (mute) |
bec3d9a9 | 330 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 AL |
331 | APDIGI_ENABLE_DAC_MUTE, |
332 | APDIGI_ENABLE_DAC_MUTE); | |
b7138212 | 333 | else |
bec3d9a9 | 334 | regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, |
2ee9c183 | 335 | APDIGI_ENABLE_DAC_MUTE, 0); |
b7138212 CC |
336 | return 0; |
337 | } | |
338 | ||
339 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
340 | int clk_id, unsigned int freq, int dir) | |
341 | { | |
342 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 343 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
344 | |
345 | if (dir == SND_SOC_CLOCK_IN) { | |
346 | if (clk_id != SSM2602_SYSCLK) | |
347 | return -EINVAL; | |
348 | ||
349 | switch (freq) { | |
02890535 | 350 | case 12288000: |
02890535 | 351 | case 18432000: |
8b3f39da LPC |
352 | ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; |
353 | break; | |
354 | case 11289600: | |
355 | case 16934400: | |
356 | ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; | |
357 | break; | |
358 | case 12000000: | |
359 | ssm2602->sysclk_constraints = NULL; | |
02890535 LPC |
360 | break; |
361 | default: | |
362 | return -EINVAL; | |
363 | } | |
8b3f39da | 364 | ssm2602->sysclk = freq; |
02890535 LPC |
365 | } else { |
366 | unsigned int mask; | |
367 | ||
368 | switch (clk_id) { | |
369 | case SSM2602_CLK_CLKOUT: | |
370 | mask = PWR_CLK_OUT_PDN; | |
371 | break; | |
372 | case SSM2602_CLK_XTO: | |
373 | mask = PWR_OSC_PDN; | |
374 | break; | |
375 | default: | |
376 | return -EINVAL; | |
377 | } | |
378 | ||
379 | if (freq == 0) | |
380 | ssm2602->clk_out_pwr |= mask; | |
381 | else | |
382 | ssm2602->clk_out_pwr &= ~mask; | |
383 | ||
bec3d9a9 | 384 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 385 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); |
b7138212 | 386 | } |
02890535 LPC |
387 | |
388 | return 0; | |
b7138212 CC |
389 | } |
390 | ||
391 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
392 | unsigned int fmt) | |
393 | { | |
bec3d9a9 LPC |
394 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec); |
395 | unsigned int iface = 0; | |
b7138212 CC |
396 | |
397 | /* set master/slave audio interface */ | |
398 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
399 | case SND_SOC_DAIFMT_CBM_CFM: | |
400 | iface |= 0x0040; | |
401 | break; | |
402 | case SND_SOC_DAIFMT_CBS_CFS: | |
403 | break; | |
404 | default: | |
405 | return -EINVAL; | |
406 | } | |
407 | ||
408 | /* interface format */ | |
409 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
410 | case SND_SOC_DAIFMT_I2S: | |
411 | iface |= 0x0002; | |
412 | break; | |
413 | case SND_SOC_DAIFMT_RIGHT_J: | |
414 | break; | |
415 | case SND_SOC_DAIFMT_LEFT_J: | |
416 | iface |= 0x0001; | |
417 | break; | |
418 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 419 | iface |= 0x0013; |
b7138212 CC |
420 | break; |
421 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 422 | iface |= 0x0003; |
b7138212 CC |
423 | break; |
424 | default: | |
425 | return -EINVAL; | |
426 | } | |
427 | ||
428 | /* clock inversion */ | |
429 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
430 | case SND_SOC_DAIFMT_NB_NF: | |
431 | break; | |
432 | case SND_SOC_DAIFMT_IB_IF: | |
433 | iface |= 0x0090; | |
434 | break; | |
435 | case SND_SOC_DAIFMT_IB_NF: | |
436 | iface |= 0x0080; | |
437 | break; | |
438 | case SND_SOC_DAIFMT_NB_IF: | |
439 | iface |= 0x0010; | |
440 | break; | |
441 | default: | |
442 | return -EINVAL; | |
443 | } | |
444 | ||
445 | /* set iface */ | |
bec3d9a9 | 446 | regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); |
b7138212 CC |
447 | return 0; |
448 | } | |
449 | ||
450 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
451 | enum snd_soc_bias_level level) | |
452 | { | |
02890535 | 453 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
454 | |
455 | switch (level) { | |
456 | case SND_SOC_BIAS_ON: | |
02890535 | 457 | /* vref/mid on, osc and clkout on if enabled */ |
bec3d9a9 | 458 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
459 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
460 | ssm2602->clk_out_pwr); | |
b7138212 CC |
461 | break; |
462 | case SND_SOC_BIAS_PREPARE: | |
463 | break; | |
464 | case SND_SOC_BIAS_STANDBY: | |
465 | /* everything off except vref/vmid, */ | |
bec3d9a9 | 466 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 LPC |
467 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, |
468 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
469 | break; |
470 | case SND_SOC_BIAS_OFF: | |
02890535 | 471 | /* everything off */ |
bec3d9a9 | 472 | regmap_update_bits(ssm2602->regmap, SSM2602_PWR, |
02890535 | 473 | PWR_POWER_OFF, PWR_POWER_OFF); |
b7138212 CC |
474 | break; |
475 | ||
476 | } | |
ce6120cc | 477 | codec->dapm.bias_level = level; |
b7138212 CC |
478 | return 0; |
479 | } | |
480 | ||
7ae2b55b AP |
481 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ |
482 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ | |
483 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ | |
484 | SNDRV_PCM_RATE_96000) | |
b7138212 | 485 | |
5de27b6c KB |
486 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
487 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
488 | ||
85e7652d | 489 | static const struct snd_soc_dai_ops ssm2602_dai_ops = { |
6335d055 | 490 | .startup = ssm2602_startup, |
6335d055 | 491 | .hw_params = ssm2602_hw_params, |
6335d055 EM |
492 | .digital_mute = ssm2602_mute, |
493 | .set_sysclk = ssm2602_set_dai_sysclk, | |
494 | .set_fmt = ssm2602_set_dai_fmt, | |
495 | }; | |
496 | ||
f0fba2ad LG |
497 | static struct snd_soc_dai_driver ssm2602_dai = { |
498 | .name = "ssm2602-hifi", | |
b7138212 CC |
499 | .playback = { |
500 | .stream_name = "Playback", | |
501 | .channels_min = 2, | |
502 | .channels_max = 2, | |
503 | .rates = SSM2602_RATES, | |
5de27b6c | 504 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
505 | .capture = { |
506 | .stream_name = "Capture", | |
507 | .channels_min = 2, | |
508 | .channels_max = 2, | |
509 | .rates = SSM2602_RATES, | |
5de27b6c | 510 | .formats = SSM2602_FORMATS,}, |
6335d055 | 511 | .ops = &ssm2602_dai_ops, |
a010ff62 LPC |
512 | .symmetric_rates = 1, |
513 | .symmetric_samplebits = 1, | |
b7138212 | 514 | }; |
b7138212 | 515 | |
84b315ee | 516 | static int ssm2602_suspend(struct snd_soc_codec *codec) |
b7138212 | 517 | { |
b7138212 CC |
518 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); |
519 | return 0; | |
520 | } | |
521 | ||
f0fba2ad | 522 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 523 | { |
9d863b88 | 524 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
93547e89 | 525 | |
9d863b88 | 526 | regcache_sync(ssm2602->regmap); |
b7138212 | 527 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
93547e89 | 528 | |
b7138212 CC |
529 | return 0; |
530 | } | |
531 | ||
f0fba2ad | 532 | static int ssm2602_probe(struct snd_soc_codec *codec) |
b1f7b2b5 | 533 | { |
bec3d9a9 | 534 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b1f7b2b5 | 535 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
2ee9c183 | 536 | int ret; |
b1f7b2b5 | 537 | |
bec3d9a9 | 538 | regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, |
2ee9c183 | 539 | LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); |
bec3d9a9 | 540 | regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, |
2ee9c183 | 541 | ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); |
b1f7b2b5 | 542 | |
022658be | 543 | ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, |
b1f7b2b5 LPC |
544 | ARRAY_SIZE(ssm2602_snd_controls)); |
545 | if (ret) | |
546 | return ret; | |
547 | ||
548 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
549 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
550 | if (ret) | |
551 | return ret; | |
552 | ||
553 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
554 | ARRAY_SIZE(ssm2602_routes)); | |
555 | } | |
556 | ||
557 | static int ssm2604_probe(struct snd_soc_codec *codec) | |
558 | { | |
559 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
560 | int ret; | |
561 | ||
562 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
563 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
564 | if (ret) | |
565 | return ret; | |
566 | ||
567 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
568 | ARRAY_SIZE(ssm2604_routes)); | |
569 | } | |
570 | ||
571 | static int ssm260x_probe(struct snd_soc_codec *codec) | |
b7138212 | 572 | { |
f0fba2ad | 573 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
2ee9c183 | 574 | int ret; |
f0fba2ad | 575 | |
bec3d9a9 LPC |
576 | codec->control_data = ssm2602->regmap; |
577 | ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); | |
93547e89 CC |
578 | if (ret < 0) { |
579 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
580 | return ret; | |
581 | } | |
b7138212 | 582 | |
bec3d9a9 | 583 | ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); |
93547e89 CC |
584 | if (ret < 0) { |
585 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
586 | return ret; | |
587 | } | |
b7138212 | 588 | |
b7138212 | 589 | /* set the update bits */ |
bec3d9a9 | 590 | regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, |
2ee9c183 | 591 | LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); |
bec3d9a9 | 592 | regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, |
2ee9c183 | 593 | RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); |
b7138212 | 594 | /*select Line in as default input*/ |
bec3d9a9 | 595 | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 596 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 597 | |
b1f7b2b5 LPC |
598 | switch (ssm2602->type) { |
599 | case SSM2602: | |
600 | ret = ssm2602_probe(codec); | |
601 | break; | |
602 | case SSM2604: | |
603 | ret = ssm2604_probe(codec); | |
604 | break; | |
605 | } | |
b7138212 | 606 | |
a9d1974e LPC |
607 | if (ret) |
608 | return ret; | |
609 | ||
610 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
611 | ||
612 | return 0; | |
f0fba2ad | 613 | } |
b7138212 | 614 | |
f0fba2ad LG |
615 | /* remove everything here */ |
616 | static int ssm2602_remove(struct snd_soc_codec *codec) | |
617 | { | |
618 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
619 | return 0; | |
b7138212 CC |
620 | } |
621 | ||
f0fba2ad | 622 | static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
b1f7b2b5 | 623 | .probe = ssm260x_probe, |
f0fba2ad LG |
624 | .remove = ssm2602_remove, |
625 | .suspend = ssm2602_suspend, | |
626 | .resume = ssm2602_resume, | |
f0fba2ad | 627 | .set_bias_level = ssm2602_set_bias_level, |
b1f7b2b5 LPC |
628 | |
629 | .controls = ssm260x_snd_controls, | |
630 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
631 | .dapm_widgets = ssm260x_dapm_widgets, | |
632 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
633 | .dapm_routes = ssm260x_routes, | |
634 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
f0fba2ad | 635 | }; |
b7138212 | 636 | |
bec3d9a9 LPC |
637 | static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) |
638 | { | |
639 | return reg == SSM2602_RESET; | |
640 | } | |
641 | ||
642 | static const struct regmap_config ssm2602_regmap_config = { | |
643 | .val_bits = 9, | |
644 | .reg_bits = 7, | |
645 | ||
646 | .max_register = SSM2602_RESET, | |
647 | .volatile_reg = ssm2602_register_volatile, | |
648 | ||
649 | .cache_type = REGCACHE_RBTREE, | |
650 | .reg_defaults_raw = ssm2602_reg, | |
651 | .num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg), | |
652 | }; | |
653 | ||
b39e2855 | 654 | #if defined(CONFIG_SPI_MASTER) |
7a79e94e | 655 | static int ssm2602_spi_probe(struct spi_device *spi) |
b39e2855 MF |
656 | { |
657 | struct ssm2602_priv *ssm2602; | |
658 | int ret; | |
659 | ||
8eeffe98 AL |
660 | ssm2602 = devm_kzalloc(&spi->dev, sizeof(struct ssm2602_priv), |
661 | GFP_KERNEL); | |
b39e2855 MF |
662 | if (ssm2602 == NULL) |
663 | return -ENOMEM; | |
664 | ||
665 | spi_set_drvdata(spi, ssm2602); | |
b1f7b2b5 | 666 | ssm2602->type = SSM2602; |
b39e2855 | 667 | |
bec3d9a9 LPC |
668 | ssm2602->regmap = devm_regmap_init_spi(spi, &ssm2602_regmap_config); |
669 | if (IS_ERR(ssm2602->regmap)) | |
670 | return PTR_ERR(ssm2602->regmap); | |
671 | ||
b39e2855 MF |
672 | ret = snd_soc_register_codec(&spi->dev, |
673 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
b39e2855 MF |
674 | return ret; |
675 | } | |
676 | ||
7a79e94e | 677 | static int ssm2602_spi_remove(struct spi_device *spi) |
b39e2855 MF |
678 | { |
679 | snd_soc_unregister_codec(&spi->dev); | |
b39e2855 MF |
680 | return 0; |
681 | } | |
682 | ||
683 | static struct spi_driver ssm2602_spi_driver = { | |
684 | .driver = { | |
685 | .name = "ssm2602", | |
686 | .owner = THIS_MODULE, | |
687 | }, | |
688 | .probe = ssm2602_spi_probe, | |
7a79e94e | 689 | .remove = ssm2602_spi_remove, |
b39e2855 MF |
690 | }; |
691 | #endif | |
692 | ||
e42644c6 | 693 | #if IS_ENABLED(CONFIG_I2C) |
b7138212 CC |
694 | /* |
695 | * ssm2602 2 wire address is determined by GPIO5 | |
696 | * state during powerup. | |
697 | * low = 0x1a | |
698 | * high = 0x1b | |
699 | */ | |
7a79e94e | 700 | static int ssm2602_i2c_probe(struct i2c_client *i2c, |
b7138212 CC |
701 | const struct i2c_device_id *id) |
702 | { | |
f0fba2ad | 703 | struct ssm2602_priv *ssm2602; |
b7138212 CC |
704 | int ret; |
705 | ||
8eeffe98 AL |
706 | ssm2602 = devm_kzalloc(&i2c->dev, sizeof(struct ssm2602_priv), |
707 | GFP_KERNEL); | |
f0fba2ad LG |
708 | if (ssm2602 == NULL) |
709 | return -ENOMEM; | |
b7138212 | 710 | |
f0fba2ad | 711 | i2c_set_clientdata(i2c, ssm2602); |
b1f7b2b5 | 712 | ssm2602->type = id->driver_data; |
b7138212 | 713 | |
bec3d9a9 LPC |
714 | ssm2602->regmap = devm_regmap_init_i2c(i2c, &ssm2602_regmap_config); |
715 | if (IS_ERR(ssm2602->regmap)) | |
716 | return PTR_ERR(ssm2602->regmap); | |
717 | ||
f0fba2ad LG |
718 | ret = snd_soc_register_codec(&i2c->dev, |
719 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
b7138212 CC |
720 | return ret; |
721 | } | |
722 | ||
7a79e94e | 723 | static int ssm2602_i2c_remove(struct i2c_client *client) |
b7138212 | 724 | { |
f0fba2ad | 725 | snd_soc_unregister_codec(&client->dev); |
b7138212 CC |
726 | return 0; |
727 | } | |
728 | ||
729 | static const struct i2c_device_id ssm2602_i2c_id[] = { | |
b1f7b2b5 | 730 | { "ssm2602", SSM2602 }, |
7dcf2760 | 731 | { "ssm2603", SSM2602 }, |
b1f7b2b5 | 732 | { "ssm2604", SSM2604 }, |
b7138212 CC |
733 | { } |
734 | }; | |
735 | MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); | |
f0fba2ad | 736 | |
b7138212 CC |
737 | /* corgi i2c codec control layer */ |
738 | static struct i2c_driver ssm2602_i2c_driver = { | |
739 | .driver = { | |
2a161018 | 740 | .name = "ssm2602", |
b7138212 CC |
741 | .owner = THIS_MODULE, |
742 | }, | |
743 | .probe = ssm2602_i2c_probe, | |
7a79e94e | 744 | .remove = ssm2602_i2c_remove, |
b7138212 CC |
745 | .id_table = ssm2602_i2c_id, |
746 | }; | |
b7138212 CC |
747 | #endif |
748 | ||
f0fba2ad LG |
749 | |
750 | static int __init ssm2602_modinit(void) | |
b7138212 | 751 | { |
b7138212 | 752 | int ret = 0; |
b39e2855 MF |
753 | |
754 | #if defined(CONFIG_SPI_MASTER) | |
755 | ret = spi_register_driver(&ssm2602_spi_driver); | |
756 | if (ret) | |
757 | return ret; | |
758 | #endif | |
759 | ||
e42644c6 | 760 | #if IS_ENABLED(CONFIG_I2C) |
f0fba2ad | 761 | ret = i2c_add_driver(&ssm2602_i2c_driver); |
b39e2855 MF |
762 | if (ret) |
763 | return ret; | |
b7138212 | 764 | #endif |
b39e2855 | 765 | |
b7138212 CC |
766 | return ret; |
767 | } | |
f0fba2ad | 768 | module_init(ssm2602_modinit); |
b7138212 | 769 | |
f0fba2ad | 770 | static void __exit ssm2602_exit(void) |
b7138212 | 771 | { |
b39e2855 MF |
772 | #if defined(CONFIG_SPI_MASTER) |
773 | spi_unregister_driver(&ssm2602_spi_driver); | |
774 | #endif | |
775 | ||
e42644c6 | 776 | #if IS_ENABLED(CONFIG_I2C) |
b7138212 CC |
777 | i2c_del_driver(&ssm2602_i2c_driver); |
778 | #endif | |
64089b84 MB |
779 | } |
780 | module_exit(ssm2602_exit); | |
781 | ||
7dcf2760 | 782 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
783 | MODULE_AUTHOR("Cliff Cai"); |
784 | MODULE_LICENSE("GPL"); |