Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * You should have received a copy of the GNU General Public License along |
| 9 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 10 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/slab.h> |
Axel Lin | 68bfcaf | 2011-12-06 15:19:00 +0800 | [diff] [blame] | 18 | #include <linux/io.h> |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 19 | #include <linux/regmap.h> |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 20 | |
| 21 | #include <linux/delay.h> |
| 22 | |
| 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/initval.h> |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 27 | #include <sound/soc.h> |
Lars-Peter Clausen | a484a9a | 2012-10-27 17:15:06 +0200 | [diff] [blame] | 28 | #include <sound/tlv.h> |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 29 | |
| 30 | #define JZ4740_REG_CODEC_1 0x0 |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 31 | #define JZ4740_REG_CODEC_2 0x4 |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 32 | |
| 33 | #define JZ4740_CODEC_1_LINE_ENABLE BIT(29) |
| 34 | #define JZ4740_CODEC_1_MIC_ENABLE BIT(28) |
| 35 | #define JZ4740_CODEC_1_SW1_ENABLE BIT(27) |
| 36 | #define JZ4740_CODEC_1_ADC_ENABLE BIT(26) |
| 37 | #define JZ4740_CODEC_1_SW2_ENABLE BIT(25) |
| 38 | #define JZ4740_CODEC_1_DAC_ENABLE BIT(24) |
| 39 | #define JZ4740_CODEC_1_VREF_DISABLE BIT(20) |
| 40 | #define JZ4740_CODEC_1_VREF_AMP_DISABLE BIT(19) |
| 41 | #define JZ4740_CODEC_1_VREF_PULLDOWN BIT(18) |
| 42 | #define JZ4740_CODEC_1_VREF_LOW_CURRENT BIT(17) |
| 43 | #define JZ4740_CODEC_1_VREF_HIGH_CURRENT BIT(16) |
| 44 | #define JZ4740_CODEC_1_HEADPHONE_DISABLE BIT(14) |
| 45 | #define JZ4740_CODEC_1_HEADPHONE_AMP_CHANGE_ANY BIT(13) |
| 46 | #define JZ4740_CODEC_1_HEADPHONE_CHARGE BIT(12) |
| 47 | #define JZ4740_CODEC_1_HEADPHONE_PULLDOWN (BIT(11) | BIT(10)) |
| 48 | #define JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M BIT(9) |
| 49 | #define JZ4740_CODEC_1_HEADPHONE_POWERDOWN BIT(8) |
| 50 | #define JZ4740_CODEC_1_SUSPEND BIT(1) |
| 51 | #define JZ4740_CODEC_1_RESET BIT(0) |
| 52 | |
| 53 | #define JZ4740_CODEC_1_LINE_ENABLE_OFFSET 29 |
| 54 | #define JZ4740_CODEC_1_MIC_ENABLE_OFFSET 28 |
| 55 | #define JZ4740_CODEC_1_SW1_ENABLE_OFFSET 27 |
| 56 | #define JZ4740_CODEC_1_ADC_ENABLE_OFFSET 26 |
| 57 | #define JZ4740_CODEC_1_SW2_ENABLE_OFFSET 25 |
| 58 | #define JZ4740_CODEC_1_DAC_ENABLE_OFFSET 24 |
| 59 | #define JZ4740_CODEC_1_HEADPHONE_DISABLE_OFFSET 14 |
| 60 | #define JZ4740_CODEC_1_HEADPHONE_POWERDOWN_OFFSET 8 |
| 61 | |
| 62 | #define JZ4740_CODEC_2_INPUT_VOLUME_MASK 0x1f0000 |
| 63 | #define JZ4740_CODEC_2_SAMPLE_RATE_MASK 0x000f00 |
| 64 | #define JZ4740_CODEC_2_MIC_BOOST_GAIN_MASK 0x000030 |
| 65 | #define JZ4740_CODEC_2_HEADPHONE_VOLUME_MASK 0x000003 |
| 66 | |
| 67 | #define JZ4740_CODEC_2_INPUT_VOLUME_OFFSET 16 |
| 68 | #define JZ4740_CODEC_2_SAMPLE_RATE_OFFSET 8 |
| 69 | #define JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET 4 |
| 70 | #define JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET 0 |
| 71 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 72 | static const struct reg_default jz4740_codec_reg_defaults[] = { |
| 73 | { JZ4740_REG_CODEC_1, 0x021b2302 }, |
| 74 | { JZ4740_REG_CODEC_2, 0x00170803 }, |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | struct jz4740_codec { |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 78 | struct regmap *regmap; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 79 | }; |
| 80 | |
Lars-Peter Clausen | a484a9a | 2012-10-27 17:15:06 +0200 | [diff] [blame] | 81 | static const unsigned int jz4740_mic_tlv[] = { |
| 82 | TLV_DB_RANGE_HEAD(2), |
| 83 | 0, 2, TLV_DB_SCALE_ITEM(0, 600, 0), |
| 84 | 3, 3, TLV_DB_SCALE_ITEM(2000, 0, 0), |
| 85 | }; |
| 86 | |
| 87 | static const DECLARE_TLV_DB_SCALE(jz4740_out_tlv, 0, 200, 0); |
| 88 | static const DECLARE_TLV_DB_SCALE(jz4740_in_tlv, -3450, 150, 0); |
| 89 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 90 | static const struct snd_kcontrol_new jz4740_codec_controls[] = { |
Lars-Peter Clausen | a484a9a | 2012-10-27 17:15:06 +0200 | [diff] [blame] | 91 | SOC_SINGLE_TLV("Master Playback Volume", JZ4740_REG_CODEC_2, |
| 92 | JZ4740_CODEC_2_HEADPHONE_VOLUME_OFFSET, 3, 0, |
| 93 | jz4740_out_tlv), |
| 94 | SOC_SINGLE_TLV("Master Capture Volume", JZ4740_REG_CODEC_2, |
| 95 | JZ4740_CODEC_2_INPUT_VOLUME_OFFSET, 31, 0, |
| 96 | jz4740_in_tlv), |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 97 | SOC_SINGLE("Master Playback Switch", JZ4740_REG_CODEC_1, |
| 98 | JZ4740_CODEC_1_HEADPHONE_DISABLE_OFFSET, 1, 1), |
Lars-Peter Clausen | a484a9a | 2012-10-27 17:15:06 +0200 | [diff] [blame] | 99 | SOC_SINGLE_TLV("Mic Capture Volume", JZ4740_REG_CODEC_2, |
| 100 | JZ4740_CODEC_2_MIC_BOOST_GAIN_OFFSET, 3, 0, |
| 101 | jz4740_mic_tlv), |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | static const struct snd_kcontrol_new jz4740_codec_output_controls[] = { |
| 105 | SOC_DAPM_SINGLE("Bypass Switch", JZ4740_REG_CODEC_1, |
| 106 | JZ4740_CODEC_1_SW1_ENABLE_OFFSET, 1, 0), |
| 107 | SOC_DAPM_SINGLE("DAC Switch", JZ4740_REG_CODEC_1, |
| 108 | JZ4740_CODEC_1_SW2_ENABLE_OFFSET, 1, 0), |
| 109 | }; |
| 110 | |
| 111 | static const struct snd_kcontrol_new jz4740_codec_input_controls[] = { |
| 112 | SOC_DAPM_SINGLE("Line Capture Switch", JZ4740_REG_CODEC_1, |
| 113 | JZ4740_CODEC_1_LINE_ENABLE_OFFSET, 1, 0), |
| 114 | SOC_DAPM_SINGLE("Mic Capture Switch", JZ4740_REG_CODEC_1, |
| 115 | JZ4740_CODEC_1_MIC_ENABLE_OFFSET, 1, 0), |
| 116 | }; |
| 117 | |
| 118 | static const struct snd_soc_dapm_widget jz4740_codec_dapm_widgets[] = { |
| 119 | SND_SOC_DAPM_ADC("ADC", "Capture", JZ4740_REG_CODEC_1, |
| 120 | JZ4740_CODEC_1_ADC_ENABLE_OFFSET, 0), |
| 121 | SND_SOC_DAPM_DAC("DAC", "Playback", JZ4740_REG_CODEC_1, |
| 122 | JZ4740_CODEC_1_DAC_ENABLE_OFFSET, 0), |
| 123 | |
| 124 | SND_SOC_DAPM_MIXER("Output Mixer", JZ4740_REG_CODEC_1, |
| 125 | JZ4740_CODEC_1_HEADPHONE_POWERDOWN_OFFSET, 1, |
| 126 | jz4740_codec_output_controls, |
| 127 | ARRAY_SIZE(jz4740_codec_output_controls)), |
| 128 | |
| 129 | SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0, |
| 130 | jz4740_codec_input_controls, |
| 131 | ARRAY_SIZE(jz4740_codec_input_controls)), |
| 132 | SND_SOC_DAPM_MIXER("Line Input", SND_SOC_NOPM, 0, 0, NULL, 0), |
| 133 | |
| 134 | SND_SOC_DAPM_OUTPUT("LOUT"), |
| 135 | SND_SOC_DAPM_OUTPUT("ROUT"), |
| 136 | |
| 137 | SND_SOC_DAPM_INPUT("MIC"), |
| 138 | SND_SOC_DAPM_INPUT("LIN"), |
| 139 | SND_SOC_DAPM_INPUT("RIN"), |
| 140 | }; |
| 141 | |
| 142 | static const struct snd_soc_dapm_route jz4740_codec_dapm_routes[] = { |
| 143 | {"Line Input", NULL, "LIN"}, |
| 144 | {"Line Input", NULL, "RIN"}, |
| 145 | |
| 146 | {"Input Mixer", "Line Capture Switch", "Line Input"}, |
| 147 | {"Input Mixer", "Mic Capture Switch", "MIC"}, |
| 148 | |
| 149 | {"ADC", NULL, "Input Mixer"}, |
| 150 | |
| 151 | {"Output Mixer", "Bypass Switch", "Input Mixer"}, |
| 152 | {"Output Mixer", "DAC Switch", "DAC"}, |
| 153 | |
| 154 | {"LOUT", NULL, "Output Mixer"}, |
| 155 | {"ROUT", NULL, "Output Mixer"}, |
| 156 | }; |
| 157 | |
| 158 | static int jz4740_codec_hw_params(struct snd_pcm_substream *substream, |
| 159 | struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) |
| 160 | { |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 161 | struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(dai->codec); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 162 | uint32_t val; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 163 | |
| 164 | switch (params_rate(params)) { |
| 165 | case 8000: |
| 166 | val = 0; |
| 167 | break; |
| 168 | case 11025: |
| 169 | val = 1; |
| 170 | break; |
| 171 | case 12000: |
| 172 | val = 2; |
| 173 | break; |
| 174 | case 16000: |
| 175 | val = 3; |
| 176 | break; |
| 177 | case 22050: |
| 178 | val = 4; |
| 179 | break; |
| 180 | case 24000: |
| 181 | val = 5; |
| 182 | break; |
| 183 | case 32000: |
| 184 | val = 6; |
| 185 | break; |
| 186 | case 44100: |
| 187 | val = 7; |
| 188 | break; |
| 189 | case 48000: |
| 190 | val = 8; |
| 191 | break; |
| 192 | default: |
| 193 | return -EINVAL; |
| 194 | } |
| 195 | |
| 196 | val <<= JZ4740_CODEC_2_SAMPLE_RATE_OFFSET; |
| 197 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 198 | regmap_update_bits(jz4740_codec->regmap, JZ4740_REG_CODEC_2, |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 199 | JZ4740_CODEC_2_SAMPLE_RATE_MASK, val); |
| 200 | |
| 201 | return 0; |
| 202 | } |
| 203 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 204 | static const struct snd_soc_dai_ops jz4740_codec_dai_ops = { |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 205 | .hw_params = jz4740_codec_hw_params, |
| 206 | }; |
| 207 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 208 | static struct snd_soc_dai_driver jz4740_codec_dai = { |
| 209 | .name = "jz4740-hifi", |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 210 | .playback = { |
| 211 | .stream_name = "Playback", |
| 212 | .channels_min = 2, |
| 213 | .channels_max = 2, |
| 214 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 215 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, |
| 216 | }, |
| 217 | .capture = { |
| 218 | .stream_name = "Capture", |
| 219 | .channels_min = 2, |
| 220 | .channels_max = 2, |
| 221 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 222 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, |
| 223 | }, |
| 224 | .ops = &jz4740_codec_dai_ops, |
| 225 | .symmetric_rates = 1, |
| 226 | }; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 227 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 228 | static void jz4740_codec_wakeup(struct regmap *regmap) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 229 | { |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 230 | regmap_update_bits(regmap, JZ4740_REG_CODEC_1, |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 231 | JZ4740_CODEC_1_RESET, JZ4740_CODEC_1_RESET); |
| 232 | udelay(2); |
| 233 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 234 | regmap_update_bits(regmap, JZ4740_REG_CODEC_1, |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 235 | JZ4740_CODEC_1_SUSPEND | JZ4740_CODEC_1_RESET, 0); |
| 236 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 237 | regcache_sync(regmap); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | static int jz4740_codec_set_bias_level(struct snd_soc_codec *codec, |
| 241 | enum snd_soc_bias_level level) |
| 242 | { |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 243 | struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); |
| 244 | struct regmap *regmap = jz4740_codec->regmap; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 245 | unsigned int mask; |
| 246 | unsigned int value; |
| 247 | |
| 248 | switch (level) { |
| 249 | case SND_SOC_BIAS_ON: |
| 250 | break; |
| 251 | case SND_SOC_BIAS_PREPARE: |
| 252 | mask = JZ4740_CODEC_1_VREF_DISABLE | |
| 253 | JZ4740_CODEC_1_VREF_AMP_DISABLE | |
| 254 | JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; |
| 255 | value = 0; |
| 256 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 257 | regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 258 | break; |
| 259 | case SND_SOC_BIAS_STANDBY: |
| 260 | /* The only way to clear the suspend flag is to reset the codec */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 261 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 262 | jz4740_codec_wakeup(regmap); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 263 | |
| 264 | mask = JZ4740_CODEC_1_VREF_DISABLE | |
| 265 | JZ4740_CODEC_1_VREF_AMP_DISABLE | |
| 266 | JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; |
| 267 | value = JZ4740_CODEC_1_VREF_DISABLE | |
| 268 | JZ4740_CODEC_1_VREF_AMP_DISABLE | |
| 269 | JZ4740_CODEC_1_HEADPHONE_POWERDOWN_M; |
| 270 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 271 | regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 272 | break; |
| 273 | case SND_SOC_BIAS_OFF: |
| 274 | mask = JZ4740_CODEC_1_SUSPEND; |
| 275 | value = JZ4740_CODEC_1_SUSPEND; |
| 276 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 277 | regmap_update_bits(regmap, JZ4740_REG_CODEC_1, mask, value); |
| 278 | regcache_mark_dirty(regmap); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 279 | break; |
| 280 | default: |
| 281 | break; |
| 282 | } |
| 283 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 284 | codec->dapm.bias_level = level; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 285 | |
| 286 | return 0; |
| 287 | } |
| 288 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 289 | static int jz4740_codec_dev_probe(struct snd_soc_codec *codec) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 290 | { |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 291 | struct jz4740_codec *jz4740_codec = snd_soc_codec_get_drvdata(codec); |
| 292 | |
| 293 | regmap_update_bits(jz4740_codec->regmap, JZ4740_REG_CODEC_1, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 294 | JZ4740_CODEC_1_SW2_ENABLE, JZ4740_CODEC_1_SW2_ENABLE); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 295 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 296 | jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 297 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 298 | return 0; |
| 299 | } |
| 300 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 301 | static int jz4740_codec_dev_remove(struct snd_soc_codec *codec) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 302 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 303 | jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | #ifdef CONFIG_PM_SLEEP |
| 309 | |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 310 | static int jz4740_codec_suspend(struct snd_soc_codec *codec) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 311 | { |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 312 | return jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 313 | } |
| 314 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 315 | static int jz4740_codec_resume(struct snd_soc_codec *codec) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 316 | { |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 317 | return jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 318 | } |
| 319 | |
| 320 | #else |
| 321 | #define jz4740_codec_suspend NULL |
| 322 | #define jz4740_codec_resume NULL |
| 323 | #endif |
| 324 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 325 | static struct snd_soc_codec_driver soc_codec_dev_jz4740_codec = { |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 326 | .probe = jz4740_codec_dev_probe, |
| 327 | .remove = jz4740_codec_dev_remove, |
| 328 | .suspend = jz4740_codec_suspend, |
| 329 | .resume = jz4740_codec_resume, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 330 | .set_bias_level = jz4740_codec_set_bias_level, |
Lars-Peter Clausen | 6744791 | 2011-04-12 19:33:29 +0200 | [diff] [blame] | 331 | |
| 332 | .controls = jz4740_codec_controls, |
| 333 | .num_controls = ARRAY_SIZE(jz4740_codec_controls), |
| 334 | .dapm_widgets = jz4740_codec_dapm_widgets, |
| 335 | .num_dapm_widgets = ARRAY_SIZE(jz4740_codec_dapm_widgets), |
| 336 | .dapm_routes = jz4740_codec_dapm_routes, |
| 337 | .num_dapm_routes = ARRAY_SIZE(jz4740_codec_dapm_routes), |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 338 | }; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 339 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 340 | static const struct regmap_config jz4740_codec_regmap_config = { |
| 341 | .reg_bits = 32, |
| 342 | .reg_stride = 4, |
| 343 | .val_bits = 32, |
| 344 | .max_register = JZ4740_REG_CODEC_2, |
| 345 | |
| 346 | .reg_defaults = jz4740_codec_reg_defaults, |
| 347 | .num_reg_defaults = ARRAY_SIZE(jz4740_codec_reg_defaults), |
| 348 | .cache_type = REGCACHE_RBTREE, |
| 349 | }; |
| 350 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 351 | static int __devinit jz4740_codec_probe(struct platform_device *pdev) |
| 352 | { |
| 353 | int ret; |
| 354 | struct jz4740_codec *jz4740_codec; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 355 | struct resource *mem; |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 356 | void __iomem *base; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 357 | |
Axel Lin | 558460c | 2011-12-26 20:55:01 +0800 | [diff] [blame] | 358 | jz4740_codec = devm_kzalloc(&pdev->dev, sizeof(*jz4740_codec), |
| 359 | GFP_KERNEL); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 360 | if (!jz4740_codec) |
| 361 | return -ENOMEM; |
| 362 | |
| 363 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 364 | base = devm_request_and_ioremap(&pdev->dev, mem); |
| 365 | if (!base) |
Lars-Peter Clausen | 355d74b | 2012-10-27 17:15:07 +0200 | [diff] [blame] | 366 | return -EBUSY; |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 367 | |
Lars-Peter Clausen | dd1b18a | 2012-10-27 17:15:08 +0200 | [diff] [blame] | 368 | jz4740_codec->regmap = devm_regmap_init_mmio(&pdev->dev, base, |
| 369 | &jz4740_codec_regmap_config); |
| 370 | if (IS_ERR(jz4740_codec->regmap)) |
| 371 | return PTR_ERR(jz4740_codec->regmap); |
| 372 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 373 | platform_set_drvdata(pdev, jz4740_codec); |
| 374 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 375 | ret = snd_soc_register_codec(&pdev->dev, |
| 376 | &soc_codec_dev_jz4740_codec, &jz4740_codec_dai, 1); |
Lars-Peter Clausen | 355d74b | 2012-10-27 17:15:07 +0200 | [diff] [blame] | 377 | if (ret) |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 378 | dev_err(&pdev->dev, "Failed to register codec\n"); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 379 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 380 | return ret; |
| 381 | } |
| 382 | |
| 383 | static int __devexit jz4740_codec_remove(struct platform_device *pdev) |
| 384 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 385 | snd_soc_unregister_codec(&pdev->dev); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 386 | |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 387 | platform_set_drvdata(pdev, NULL); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | static struct platform_driver jz4740_codec_driver = { |
| 393 | .probe = jz4740_codec_probe, |
| 394 | .remove = __devexit_p(jz4740_codec_remove), |
| 395 | .driver = { |
| 396 | .name = "jz4740-codec", |
| 397 | .owner = THIS_MODULE, |
| 398 | }, |
| 399 | }; |
| 400 | |
Mark Brown | 5bbcc3c | 2011-11-23 22:52:08 +0000 | [diff] [blame] | 401 | module_platform_driver(jz4740_codec_driver); |
Lars-Peter Clausen | 3b097d6 | 2010-06-22 00:46:31 +0200 | [diff] [blame] | 402 | |
| 403 | MODULE_DESCRIPTION("JZ4740 SoC internal codec driver"); |
| 404 | MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); |
| 405 | MODULE_LICENSE("GPL v2"); |
| 406 | MODULE_ALIAS("platform:jz4740-codec"); |