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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> |
b7138212 | 36 | #include <linux/platform_device.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 | ||
b7138212 CC |
47 | #define SSM2602_VERSION "0.1" |
48 | ||
b1f7b2b5 LPC |
49 | enum ssm2602_type { |
50 | SSM2602, | |
51 | SSM2604, | |
52 | }; | |
53 | ||
b7138212 CC |
54 | /* codec private data */ |
55 | struct ssm2602_priv { | |
56 | unsigned int sysclk; | |
f0fba2ad | 57 | enum snd_soc_control_type control_type; |
b7138212 CC |
58 | struct snd_pcm_substream *master_substream; |
59 | struct snd_pcm_substream *slave_substream; | |
b1f7b2b5 LPC |
60 | |
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 | ||
93547e89 | 77 | #define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0) |
b7138212 CC |
78 | |
79 | /*Appending several "None"s just for OSS mixer use*/ | |
80 | static const char *ssm2602_input_select[] = { | |
81 | "Line", "Mic", "None", "None", "None", | |
82 | "None", "None", "None", | |
83 | }; | |
84 | ||
85 | static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; | |
86 | ||
87 | static const struct soc_enum ssm2602_enum[] = { | |
88 | SOC_ENUM_SINGLE(SSM2602_APANA, 2, 2, ssm2602_input_select), | |
89 | SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, 4, ssm2602_deemph), | |
90 | }; | |
91 | ||
f3eee00d LPC |
92 | static const unsigned int ssm260x_outmix_tlv[] = { |
93 | TLV_DB_RANGE_HEAD(2), | |
94 | 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), | |
95 | 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0), | |
96 | }; | |
97 | ||
98 | static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); | |
99 | static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); | |
100 | ||
b1f7b2b5 | 101 | static const struct snd_kcontrol_new ssm260x_snd_controls[] = { |
f3eee00d LPC |
102 | SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, |
103 | ssm260x_inpga_tlv), | |
b1f7b2b5 | 104 | SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), |
b7138212 | 105 | |
b1f7b2b5 LPC |
106 | SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), |
107 | SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), | |
108 | ||
109 | SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), | |
110 | }; | |
111 | ||
112 | static const struct snd_kcontrol_new ssm2602_snd_controls[] = { | |
f3eee00d LPC |
113 | SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, |
114 | 0, 127, 0, ssm260x_outmix_tlv), | |
b7138212 CC |
115 | SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, |
116 | 7, 1, 0), | |
f3eee00d LPC |
117 | SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, |
118 | ssm260x_sidetone_tlv), | |
b7138212 CC |
119 | |
120 | SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), | |
36c90ab3 | 121 | SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), |
b7138212 | 122 | SOC_SINGLE("Mic Switch", SSM2602_APANA, 1, 1, 1), |
b7138212 CC |
123 | }; |
124 | ||
b7138212 | 125 | /* Output Mixer */ |
b1f7b2b5 | 126 | static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { |
b7138212 | 127 | SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), |
b7138212 | 128 | SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), |
b1f7b2b5 | 129 | SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), |
b7138212 CC |
130 | }; |
131 | ||
132 | /* Input mux */ | |
133 | static const struct snd_kcontrol_new ssm2602_input_mux_controls = | |
134 | SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); | |
135 | ||
b1f7b2b5 | 136 | static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { |
b7138212 | 137 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), |
b1f7b2b5 LPC |
138 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), |
139 | SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), | |
140 | ||
3afb1b3e | 141 | SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), |
2a43801a | 142 | |
b7138212 | 143 | SND_SOC_DAPM_OUTPUT("LOUT"), |
b7138212 | 144 | SND_SOC_DAPM_OUTPUT("ROUT"), |
b1f7b2b5 LPC |
145 | SND_SOC_DAPM_INPUT("RLINEIN"), |
146 | SND_SOC_DAPM_INPUT("LLINEIN"), | |
147 | }; | |
148 | ||
149 | static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { | |
150 | SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, | |
151 | ssm260x_output_mixer_controls, | |
152 | ARRAY_SIZE(ssm260x_output_mixer_controls)), | |
153 | ||
b7138212 | 154 | SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), |
b7138212 | 155 | SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), |
b1f7b2b5 LPC |
156 | |
157 | SND_SOC_DAPM_OUTPUT("LHPOUT"), | |
158 | SND_SOC_DAPM_OUTPUT("RHPOUT"), | |
b7138212 | 159 | SND_SOC_DAPM_INPUT("MICIN"), |
b7138212 CC |
160 | }; |
161 | ||
b1f7b2b5 LPC |
162 | static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { |
163 | SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, | |
164 | ssm260x_output_mixer_controls, | |
165 | ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ | |
166 | }; | |
167 | ||
168 | static const struct snd_soc_dapm_route ssm260x_routes[] = { | |
2a43801a LPC |
169 | {"DAC", NULL, "Digital Core Power"}, |
170 | {"ADC", NULL, "Digital Core Power"}, | |
171 | ||
b7138212 CC |
172 | {"Output Mixer", "Line Bypass Switch", "Line Input"}, |
173 | {"Output Mixer", "HiFi Playback Switch", "DAC"}, | |
b1f7b2b5 LPC |
174 | |
175 | {"ROUT", NULL, "Output Mixer"}, | |
176 | {"LOUT", NULL, "Output Mixer"}, | |
177 | ||
178 | {"Line Input", NULL, "LLINEIN"}, | |
179 | {"Line Input", NULL, "RLINEIN"}, | |
180 | }; | |
181 | ||
182 | static const struct snd_soc_dapm_route ssm2602_routes[] = { | |
b7138212 CC |
183 | {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, |
184 | ||
b7138212 | 185 | {"RHPOUT", NULL, "Output Mixer"}, |
b7138212 | 186 | {"LHPOUT", NULL, "Output Mixer"}, |
b7138212 | 187 | |
b7138212 CC |
188 | {"Input Mux", "Line", "Line Input"}, |
189 | {"Input Mux", "Mic", "Mic Bias"}, | |
190 | {"ADC", NULL, "Input Mux"}, | |
191 | ||
b7138212 CC |
192 | {"Mic Bias", NULL, "MICIN"}, |
193 | }; | |
194 | ||
b1f7b2b5 LPC |
195 | static const struct snd_soc_dapm_route ssm2604_routes[] = { |
196 | {"ADC", NULL, "Line Input"}, | |
197 | }; | |
b7138212 | 198 | |
0b4cd2e0 | 199 | struct ssm2602_coeff { |
b7138212 CC |
200 | u32 mclk; |
201 | u32 rate; | |
0b4cd2e0 | 202 | u8 srate; |
b7138212 CC |
203 | }; |
204 | ||
0b4cd2e0 LPC |
205 | #define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) |
206 | ||
207 | /* codec mclk clock coefficients */ | |
208 | static const struct ssm2602_coeff ssm2602_coeff_table[] = { | |
b7138212 | 209 | /* 48k */ |
0b4cd2e0 LPC |
210 | {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, |
211 | {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, | |
212 | {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, | |
b7138212 CC |
213 | |
214 | /* 32k */ | |
0b4cd2e0 LPC |
215 | {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, |
216 | {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, | |
217 | {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, | |
b7138212 CC |
218 | |
219 | /* 8k */ | |
0b4cd2e0 LPC |
220 | {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, |
221 | {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, | |
222 | {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, | |
223 | {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, | |
224 | {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, | |
b7138212 CC |
225 | |
226 | /* 96k */ | |
0b4cd2e0 LPC |
227 | {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, |
228 | {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, | |
229 | {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, | |
b7138212 CC |
230 | |
231 | /* 44.1k */ | |
0b4cd2e0 LPC |
232 | {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, |
233 | {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, | |
234 | {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, | |
b7138212 CC |
235 | |
236 | /* 88.2k */ | |
0b4cd2e0 LPC |
237 | {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, |
238 | {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, | |
239 | {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, | |
b7138212 CC |
240 | }; |
241 | ||
0b4cd2e0 | 242 | static inline int ssm2602_get_coeff(int mclk, int rate) |
b7138212 CC |
243 | { |
244 | int i; | |
245 | ||
0b4cd2e0 LPC |
246 | for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { |
247 | if (ssm2602_coeff_table[i].rate == rate && | |
248 | ssm2602_coeff_table[i].mclk == mclk) | |
249 | return ssm2602_coeff_table[i].srate; | |
b7138212 | 250 | } |
0b4cd2e0 | 251 | return -EINVAL; |
b7138212 CC |
252 | } |
253 | ||
254 | static int ssm2602_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
255 | struct snd_pcm_hw_params *params, |
256 | struct snd_soc_dai *dai) | |
b7138212 | 257 | { |
b7138212 | 258 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
f0fba2ad | 259 | struct snd_soc_codec *codec = rtd->codec; |
b2c812e2 | 260 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
93547e89 | 261 | u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3; |
0b4cd2e0 | 262 | int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); |
b7138212 | 263 | |
faab5a32 | 264 | if (substream == ssm2602->slave_substream) { |
93547e89 | 265 | dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n"); |
faab5a32 KB |
266 | return 0; |
267 | } | |
268 | ||
0b4cd2e0 LPC |
269 | if (srate < 0) |
270 | return srate; | |
b7138212 | 271 | |
93547e89 | 272 | snd_soc_write(codec, SSM2602_SRATE, srate); |
b7138212 CC |
273 | |
274 | /* bit size */ | |
275 | switch (params_format(params)) { | |
276 | case SNDRV_PCM_FORMAT_S16_LE: | |
277 | break; | |
278 | case SNDRV_PCM_FORMAT_S20_3LE: | |
279 | iface |= 0x0004; | |
280 | break; | |
281 | case SNDRV_PCM_FORMAT_S24_LE: | |
282 | iface |= 0x0008; | |
283 | break; | |
284 | case SNDRV_PCM_FORMAT_S32_LE: | |
285 | iface |= 0x000c; | |
286 | break; | |
287 | } | |
93547e89 | 288 | snd_soc_write(codec, SSM2602_IFACE, iface); |
b7138212 CC |
289 | return 0; |
290 | } | |
291 | ||
dee89c4d MB |
292 | static int ssm2602_startup(struct snd_pcm_substream *substream, |
293 | struct snd_soc_dai *dai) | |
b7138212 CC |
294 | { |
295 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 296 | struct snd_soc_codec *codec = rtd->codec; |
b2c812e2 | 297 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
298 | struct snd_pcm_runtime *master_runtime; |
299 | ||
300 | /* The DAI has shared clocks so if we already have a playback or | |
301 | * capture going then constrain this substream to match it. | |
faab5a32 | 302 | * TODO: the ssm2602 allows pairs of non-matching PB/REC rates |
b7138212 CC |
303 | */ |
304 | if (ssm2602->master_substream) { | |
305 | master_runtime = ssm2602->master_substream->runtime; | |
26806a42 | 306 | dev_dbg(codec->dev, "Constraining to %d bits at %dHz\n", |
faab5a32 KB |
307 | master_runtime->sample_bits, |
308 | master_runtime->rate); | |
309 | ||
f692fce0 CC |
310 | if (master_runtime->rate != 0) |
311 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
312 | SNDRV_PCM_HW_PARAM_RATE, | |
313 | master_runtime->rate, | |
314 | master_runtime->rate); | |
315 | ||
316 | if (master_runtime->sample_bits != 0) | |
317 | snd_pcm_hw_constraint_minmax(substream->runtime, | |
318 | SNDRV_PCM_HW_PARAM_SAMPLE_BITS, | |
319 | master_runtime->sample_bits, | |
320 | master_runtime->sample_bits); | |
b7138212 CC |
321 | |
322 | ssm2602->slave_substream = substream; | |
323 | } else | |
324 | ssm2602->master_substream = substream; | |
325 | ||
326 | return 0; | |
327 | } | |
328 | ||
dee89c4d MB |
329 | static void ssm2602_shutdown(struct snd_pcm_substream *substream, |
330 | struct snd_soc_dai *dai) | |
b7138212 CC |
331 | { |
332 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 333 | struct snd_soc_codec *codec = rtd->codec; |
b2c812e2 | 334 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
f692fce0 | 335 | |
faab5a32 KB |
336 | if (ssm2602->master_substream == substream) |
337 | ssm2602->master_substream = ssm2602->slave_substream; | |
338 | ||
339 | ssm2602->slave_substream = NULL; | |
b7138212 CC |
340 | } |
341 | ||
2a43801a | 342 | |
b7138212 CC |
343 | static int ssm2602_mute(struct snd_soc_dai *dai, int mute) |
344 | { | |
345 | struct snd_soc_codec *codec = dai->codec; | |
93547e89 | 346 | u16 mute_reg = snd_soc_read(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE; |
b7138212 | 347 | if (mute) |
93547e89 | 348 | snd_soc_write(codec, SSM2602_APDIGI, |
b7138212 CC |
349 | mute_reg | APDIGI_ENABLE_DAC_MUTE); |
350 | else | |
93547e89 | 351 | snd_soc_write(codec, SSM2602_APDIGI, mute_reg); |
b7138212 CC |
352 | return 0; |
353 | } | |
354 | ||
355 | static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
356 | int clk_id, unsigned int freq, int dir) | |
357 | { | |
358 | struct snd_soc_codec *codec = codec_dai->codec; | |
b2c812e2 | 359 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
02890535 LPC |
360 | |
361 | if (dir == SND_SOC_CLOCK_IN) { | |
362 | if (clk_id != SSM2602_SYSCLK) | |
363 | return -EINVAL; | |
364 | ||
365 | switch (freq) { | |
366 | case 11289600: | |
367 | case 12000000: | |
368 | case 12288000: | |
369 | case 16934400: | |
370 | case 18432000: | |
371 | ssm2602->sysclk = freq; | |
372 | break; | |
373 | default: | |
374 | return -EINVAL; | |
375 | } | |
376 | } else { | |
377 | unsigned int mask; | |
378 | ||
379 | switch (clk_id) { | |
380 | case SSM2602_CLK_CLKOUT: | |
381 | mask = PWR_CLK_OUT_PDN; | |
382 | break; | |
383 | case SSM2602_CLK_XTO: | |
384 | mask = PWR_OSC_PDN; | |
385 | break; | |
386 | default: | |
387 | return -EINVAL; | |
388 | } | |
389 | ||
390 | if (freq == 0) | |
391 | ssm2602->clk_out_pwr |= mask; | |
392 | else | |
393 | ssm2602->clk_out_pwr &= ~mask; | |
394 | ||
395 | snd_soc_update_bits(codec, SSM2602_PWR, | |
396 | PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); | |
b7138212 | 397 | } |
02890535 LPC |
398 | |
399 | return 0; | |
b7138212 CC |
400 | } |
401 | ||
402 | static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
403 | unsigned int fmt) | |
404 | { | |
405 | struct snd_soc_codec *codec = codec_dai->codec; | |
406 | u16 iface = 0; | |
407 | ||
408 | /* set master/slave audio interface */ | |
409 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
410 | case SND_SOC_DAIFMT_CBM_CFM: | |
411 | iface |= 0x0040; | |
412 | break; | |
413 | case SND_SOC_DAIFMT_CBS_CFS: | |
414 | break; | |
415 | default: | |
416 | return -EINVAL; | |
417 | } | |
418 | ||
419 | /* interface format */ | |
420 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
421 | case SND_SOC_DAIFMT_I2S: | |
422 | iface |= 0x0002; | |
423 | break; | |
424 | case SND_SOC_DAIFMT_RIGHT_J: | |
425 | break; | |
426 | case SND_SOC_DAIFMT_LEFT_J: | |
427 | iface |= 0x0001; | |
428 | break; | |
429 | case SND_SOC_DAIFMT_DSP_A: | |
c6913485 | 430 | iface |= 0x0013; |
b7138212 CC |
431 | break; |
432 | case SND_SOC_DAIFMT_DSP_B: | |
c6913485 | 433 | iface |= 0x0003; |
b7138212 CC |
434 | break; |
435 | default: | |
436 | return -EINVAL; | |
437 | } | |
438 | ||
439 | /* clock inversion */ | |
440 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
441 | case SND_SOC_DAIFMT_NB_NF: | |
442 | break; | |
443 | case SND_SOC_DAIFMT_IB_IF: | |
444 | iface |= 0x0090; | |
445 | break; | |
446 | case SND_SOC_DAIFMT_IB_NF: | |
447 | iface |= 0x0080; | |
448 | break; | |
449 | case SND_SOC_DAIFMT_NB_IF: | |
450 | iface |= 0x0010; | |
451 | break; | |
452 | default: | |
453 | return -EINVAL; | |
454 | } | |
455 | ||
456 | /* set iface */ | |
93547e89 | 457 | snd_soc_write(codec, SSM2602_IFACE, iface); |
b7138212 CC |
458 | return 0; |
459 | } | |
460 | ||
461 | static int ssm2602_set_bias_level(struct snd_soc_codec *codec, | |
462 | enum snd_soc_bias_level level) | |
463 | { | |
02890535 | 464 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b7138212 CC |
465 | |
466 | switch (level) { | |
467 | case SND_SOC_BIAS_ON: | |
02890535 LPC |
468 | /* vref/mid on, osc and clkout on if enabled */ |
469 | snd_soc_update_bits(codec, SSM2602_PWR, | |
470 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, | |
471 | ssm2602->clk_out_pwr); | |
b7138212 CC |
472 | break; |
473 | case SND_SOC_BIAS_PREPARE: | |
474 | break; | |
475 | case SND_SOC_BIAS_STANDBY: | |
476 | /* everything off except vref/vmid, */ | |
02890535 LPC |
477 | snd_soc_update_bits(codec, SSM2602_PWR, |
478 | PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, | |
479 | PWR_CLK_OUT_PDN | PWR_OSC_PDN); | |
b7138212 CC |
480 | break; |
481 | case SND_SOC_BIAS_OFF: | |
02890535 LPC |
482 | /* everything off */ |
483 | snd_soc_update_bits(codec, SSM2602_PWR, | |
484 | PWR_POWER_OFF, PWR_POWER_OFF); | |
b7138212 CC |
485 | break; |
486 | ||
487 | } | |
ce6120cc | 488 | codec->dapm.bias_level = level; |
b7138212 CC |
489 | return 0; |
490 | } | |
491 | ||
2552a710 CC |
492 | #define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_32000 |\ |
493 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ | |
494 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) | |
b7138212 | 495 | |
5de27b6c KB |
496 | #define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
497 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
498 | ||
6335d055 EM |
499 | static struct snd_soc_dai_ops ssm2602_dai_ops = { |
500 | .startup = ssm2602_startup, | |
6335d055 EM |
501 | .hw_params = ssm2602_hw_params, |
502 | .shutdown = ssm2602_shutdown, | |
503 | .digital_mute = ssm2602_mute, | |
504 | .set_sysclk = ssm2602_set_dai_sysclk, | |
505 | .set_fmt = ssm2602_set_dai_fmt, | |
506 | }; | |
507 | ||
f0fba2ad LG |
508 | static struct snd_soc_dai_driver ssm2602_dai = { |
509 | .name = "ssm2602-hifi", | |
b7138212 CC |
510 | .playback = { |
511 | .stream_name = "Playback", | |
512 | .channels_min = 2, | |
513 | .channels_max = 2, | |
514 | .rates = SSM2602_RATES, | |
5de27b6c | 515 | .formats = SSM2602_FORMATS,}, |
b7138212 CC |
516 | .capture = { |
517 | .stream_name = "Capture", | |
518 | .channels_min = 2, | |
519 | .channels_max = 2, | |
520 | .rates = SSM2602_RATES, | |
5de27b6c | 521 | .formats = SSM2602_FORMATS,}, |
6335d055 | 522 | .ops = &ssm2602_dai_ops, |
b7138212 | 523 | }; |
b7138212 | 524 | |
f0fba2ad | 525 | static int ssm2602_suspend(struct snd_soc_codec *codec, pm_message_t state) |
b7138212 | 526 | { |
b7138212 CC |
527 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); |
528 | return 0; | |
529 | } | |
530 | ||
f0fba2ad | 531 | static int ssm2602_resume(struct snd_soc_codec *codec) |
b7138212 | 532 | { |
93547e89 CC |
533 | snd_soc_cache_sync(codec); |
534 | ||
b7138212 | 535 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
93547e89 | 536 | |
b7138212 CC |
537 | return 0; |
538 | } | |
539 | ||
f0fba2ad | 540 | static int ssm2602_probe(struct snd_soc_codec *codec) |
b1f7b2b5 LPC |
541 | { |
542 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
543 | int ret, reg; | |
544 | ||
545 | reg = snd_soc_read(codec, SSM2602_LOUT1V); | |
546 | snd_soc_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH); | |
547 | reg = snd_soc_read(codec, SSM2602_ROUT1V); | |
548 | snd_soc_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH); | |
549 | ||
550 | ret = snd_soc_add_controls(codec, ssm2602_snd_controls, | |
551 | ARRAY_SIZE(ssm2602_snd_controls)); | |
552 | if (ret) | |
553 | return ret; | |
554 | ||
555 | ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, | |
556 | ARRAY_SIZE(ssm2602_dapm_widgets)); | |
557 | if (ret) | |
558 | return ret; | |
559 | ||
560 | return snd_soc_dapm_add_routes(dapm, ssm2602_routes, | |
561 | ARRAY_SIZE(ssm2602_routes)); | |
562 | } | |
563 | ||
564 | static int ssm2604_probe(struct snd_soc_codec *codec) | |
565 | { | |
566 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
567 | int ret; | |
568 | ||
569 | ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, | |
570 | ARRAY_SIZE(ssm2604_dapm_widgets)); | |
571 | if (ret) | |
572 | return ret; | |
573 | ||
574 | return snd_soc_dapm_add_routes(dapm, ssm2604_routes, | |
575 | ARRAY_SIZE(ssm2604_routes)); | |
576 | } | |
577 | ||
578 | static int ssm260x_probe(struct snd_soc_codec *codec) | |
b7138212 | 579 | { |
f0fba2ad | 580 | struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); |
b1f7b2b5 | 581 | int ret, reg; |
f0fba2ad LG |
582 | |
583 | pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION); | |
584 | ||
93547e89 CC |
585 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type); |
586 | if (ret < 0) { | |
587 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
588 | return ret; | |
589 | } | |
b7138212 | 590 | |
93547e89 CC |
591 | ret = ssm2602_reset(codec); |
592 | if (ret < 0) { | |
593 | dev_err(codec->dev, "Failed to issue reset: %d\n", ret); | |
594 | return ret; | |
595 | } | |
b7138212 | 596 | |
b7138212 | 597 | /* set the update bits */ |
93547e89 CC |
598 | reg = snd_soc_read(codec, SSM2602_LINVOL); |
599 | snd_soc_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH); | |
600 | reg = snd_soc_read(codec, SSM2602_RINVOL); | |
601 | snd_soc_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH); | |
b7138212 | 602 | /*select Line in as default input*/ |
93547e89 | 603 | snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC | |
b7138212 | 604 | APANA_ENABLE_MIC_BOOST); |
b7138212 | 605 | |
b1f7b2b5 LPC |
606 | switch (ssm2602->type) { |
607 | case SSM2602: | |
608 | ret = ssm2602_probe(codec); | |
609 | break; | |
610 | case SSM2604: | |
611 | ret = ssm2604_probe(codec); | |
612 | break; | |
613 | } | |
b7138212 | 614 | |
a9d1974e LPC |
615 | if (ret) |
616 | return ret; | |
617 | ||
618 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
619 | ||
620 | return 0; | |
f0fba2ad | 621 | } |
b7138212 | 622 | |
f0fba2ad LG |
623 | /* remove everything here */ |
624 | static int ssm2602_remove(struct snd_soc_codec *codec) | |
625 | { | |
626 | ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
627 | return 0; | |
b7138212 CC |
628 | } |
629 | ||
f0fba2ad | 630 | static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { |
b1f7b2b5 | 631 | .probe = ssm260x_probe, |
f0fba2ad LG |
632 | .remove = ssm2602_remove, |
633 | .suspend = ssm2602_suspend, | |
634 | .resume = ssm2602_resume, | |
f0fba2ad | 635 | .set_bias_level = ssm2602_set_bias_level, |
8fc63fe9 | 636 | .reg_cache_size = ARRAY_SIZE(ssm2602_reg), |
f0fba2ad LG |
637 | .reg_word_size = sizeof(u16), |
638 | .reg_cache_default = ssm2602_reg, | |
b1f7b2b5 LPC |
639 | |
640 | .controls = ssm260x_snd_controls, | |
641 | .num_controls = ARRAY_SIZE(ssm260x_snd_controls), | |
642 | .dapm_widgets = ssm260x_dapm_widgets, | |
643 | .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), | |
644 | .dapm_routes = ssm260x_routes, | |
645 | .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), | |
f0fba2ad | 646 | }; |
b7138212 | 647 | |
b39e2855 MF |
648 | #if defined(CONFIG_SPI_MASTER) |
649 | static int __devinit ssm2602_spi_probe(struct spi_device *spi) | |
650 | { | |
651 | struct ssm2602_priv *ssm2602; | |
652 | int ret; | |
653 | ||
654 | ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL); | |
655 | if (ssm2602 == NULL) | |
656 | return -ENOMEM; | |
657 | ||
658 | spi_set_drvdata(spi, ssm2602); | |
659 | ssm2602->control_type = SND_SOC_SPI; | |
b1f7b2b5 | 660 | ssm2602->type = SSM2602; |
b39e2855 MF |
661 | |
662 | ret = snd_soc_register_codec(&spi->dev, | |
663 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
664 | if (ret < 0) | |
665 | kfree(ssm2602); | |
666 | return ret; | |
667 | } | |
668 | ||
669 | static int __devexit ssm2602_spi_remove(struct spi_device *spi) | |
670 | { | |
671 | snd_soc_unregister_codec(&spi->dev); | |
672 | kfree(spi_get_drvdata(spi)); | |
673 | return 0; | |
674 | } | |
675 | ||
676 | static struct spi_driver ssm2602_spi_driver = { | |
677 | .driver = { | |
678 | .name = "ssm2602", | |
679 | .owner = THIS_MODULE, | |
680 | }, | |
681 | .probe = ssm2602_spi_probe, | |
682 | .remove = __devexit_p(ssm2602_spi_remove), | |
683 | }; | |
684 | #endif | |
685 | ||
b7138212 CC |
686 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
687 | /* | |
688 | * ssm2602 2 wire address is determined by GPIO5 | |
689 | * state during powerup. | |
690 | * low = 0x1a | |
691 | * high = 0x1b | |
692 | */ | |
04b89455 | 693 | static int __devinit ssm2602_i2c_probe(struct i2c_client *i2c, |
b7138212 CC |
694 | const struct i2c_device_id *id) |
695 | { | |
f0fba2ad | 696 | struct ssm2602_priv *ssm2602; |
b7138212 CC |
697 | int ret; |
698 | ||
f0fba2ad LG |
699 | ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL); |
700 | if (ssm2602 == NULL) | |
701 | return -ENOMEM; | |
b7138212 | 702 | |
f0fba2ad | 703 | i2c_set_clientdata(i2c, ssm2602); |
f0fba2ad | 704 | ssm2602->control_type = SND_SOC_I2C; |
b1f7b2b5 | 705 | ssm2602->type = id->driver_data; |
b7138212 | 706 | |
f0fba2ad LG |
707 | ret = snd_soc_register_codec(&i2c->dev, |
708 | &soc_codec_dev_ssm2602, &ssm2602_dai, 1); | |
709 | if (ret < 0) | |
710 | kfree(ssm2602); | |
b7138212 CC |
711 | return ret; |
712 | } | |
713 | ||
04b89455 | 714 | static int __devexit ssm2602_i2c_remove(struct i2c_client *client) |
b7138212 | 715 | { |
f0fba2ad LG |
716 | snd_soc_unregister_codec(&client->dev); |
717 | kfree(i2c_get_clientdata(client)); | |
b7138212 CC |
718 | return 0; |
719 | } | |
720 | ||
721 | static const struct i2c_device_id ssm2602_i2c_id[] = { | |
b1f7b2b5 | 722 | { "ssm2602", SSM2602 }, |
7dcf2760 | 723 | { "ssm2603", SSM2602 }, |
b1f7b2b5 | 724 | { "ssm2604", SSM2604 }, |
b7138212 CC |
725 | { } |
726 | }; | |
727 | MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); | |
f0fba2ad | 728 | |
b7138212 CC |
729 | /* corgi i2c codec control layer */ |
730 | static struct i2c_driver ssm2602_i2c_driver = { | |
731 | .driver = { | |
2a161018 | 732 | .name = "ssm2602", |
b7138212 CC |
733 | .owner = THIS_MODULE, |
734 | }, | |
735 | .probe = ssm2602_i2c_probe, | |
04b89455 | 736 | .remove = __devexit_p(ssm2602_i2c_remove), |
b7138212 CC |
737 | .id_table = ssm2602_i2c_id, |
738 | }; | |
b7138212 CC |
739 | #endif |
740 | ||
f0fba2ad LG |
741 | |
742 | static int __init ssm2602_modinit(void) | |
b7138212 | 743 | { |
b7138212 | 744 | int ret = 0; |
b39e2855 MF |
745 | |
746 | #if defined(CONFIG_SPI_MASTER) | |
747 | ret = spi_register_driver(&ssm2602_spi_driver); | |
748 | if (ret) | |
749 | return ret; | |
750 | #endif | |
751 | ||
b7138212 | 752 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
f0fba2ad | 753 | ret = i2c_add_driver(&ssm2602_i2c_driver); |
b39e2855 MF |
754 | if (ret) |
755 | return ret; | |
b7138212 | 756 | #endif |
b39e2855 | 757 | |
b7138212 CC |
758 | return ret; |
759 | } | |
f0fba2ad | 760 | module_init(ssm2602_modinit); |
b7138212 | 761 | |
f0fba2ad | 762 | static void __exit ssm2602_exit(void) |
b7138212 | 763 | { |
b39e2855 MF |
764 | #if defined(CONFIG_SPI_MASTER) |
765 | spi_unregister_driver(&ssm2602_spi_driver); | |
766 | #endif | |
767 | ||
b7138212 | 768 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
b7138212 CC |
769 | i2c_del_driver(&ssm2602_i2c_driver); |
770 | #endif | |
64089b84 MB |
771 | } |
772 | module_exit(ssm2602_exit); | |
773 | ||
7dcf2760 | 774 | MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); |
b7138212 CC |
775 | MODULE_AUTHOR("Cliff Cai"); |
776 | MODULE_LICENSE("GPL"); |