Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | // Copyright (c) 2022, Analog Devices Inc. |
| 3 | |
| 4 | #include <linux/module.h> |
| 5 | #include <linux/pm_runtime.h> |
| 6 | #include <linux/regmap.h> |
| 7 | #include <linux/soundwire/sdw.h> |
| 8 | #include <linux/soundwire/sdw_registers.h> |
| 9 | #include <linux/soundwire/sdw_type.h> |
| 10 | #include <sound/pcm.h> |
| 11 | #include <sound/pcm_params.h> |
| 12 | #include <sound/soc.h> |
| 13 | #include <sound/tlv.h> |
| 14 | |
| 15 | #include "max98363.h" |
| 16 | |
| 17 | static struct reg_default max98363_reg[] = { |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 18 | {MAX98363_R2021_ERR_MON_CTRL, 0x0}, |
| 19 | {MAX98363_R2022_SPK_MON_THRESH, 0x0}, |
| 20 | {MAX98363_R2023_SPK_MON_DURATION, 0x0}, |
| 21 | {MAX98363_R2030_TONE_GEN_CFG, 0x0}, |
| 22 | {MAX98363_R203F_TONE_GEN_EN, 0x0}, |
| 23 | {MAX98363_R2040_AMP_VOL, 0x0}, |
| 24 | {MAX98363_R2041_AMP_GAIN, 0x5}, |
| 25 | {MAX98363_R2042_DSP_CFG, 0x0}, |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 26 | }; |
| 27 | |
| 28 | static bool max98363_readable_register(struct device *dev, unsigned int reg) |
| 29 | { |
| 30 | switch (reg) { |
| 31 | case MAX98363_R2001_INTR_RAW: |
| 32 | case MAX98363_R2003_INTR_STATE: |
| 33 | case MAX98363_R2005_INTR_FALG: |
| 34 | case MAX98363_R2007_INTR_EN: |
| 35 | case MAX98363_R2009_INTR_CLR: |
| 36 | case MAX98363_R2021_ERR_MON_CTRL ... MAX98363_R2023_SPK_MON_DURATION: |
| 37 | case MAX98363_R2030_TONE_GEN_CFG: |
| 38 | case MAX98363_R203F_TONE_GEN_EN: |
| 39 | case MAX98363_R2040_AMP_VOL: |
| 40 | case MAX98363_R2041_AMP_GAIN: |
| 41 | case MAX98363_R2042_DSP_CFG: |
| 42 | case MAX98363_R21FF_REV_ID: |
| 43 | return true; |
| 44 | default: |
| 45 | return false; |
| 46 | } |
| 47 | }; |
| 48 | |
| 49 | static bool max98363_volatile_reg(struct device *dev, unsigned int reg) |
| 50 | { |
| 51 | switch (reg) { |
| 52 | case MAX98363_R2001_INTR_RAW: |
| 53 | case MAX98363_R2003_INTR_STATE: |
| 54 | case MAX98363_R2005_INTR_FALG: |
| 55 | case MAX98363_R2007_INTR_EN: |
| 56 | case MAX98363_R2009_INTR_CLR: |
| 57 | case MAX98363_R21FF_REV_ID: |
| 58 | return true; |
| 59 | default: |
| 60 | return false; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | static const struct regmap_config max98363_sdw_regmap = { |
| 65 | .reg_bits = 32, |
| 66 | .val_bits = 8, |
| 67 | .max_register = MAX98363_R21FF_REV_ID, |
| 68 | .reg_defaults = max98363_reg, |
| 69 | .num_reg_defaults = ARRAY_SIZE(max98363_reg), |
| 70 | .readable_reg = max98363_readable_register, |
| 71 | .volatile_reg = max98363_volatile_reg, |
| 72 | .cache_type = REGCACHE_RBTREE, |
| 73 | .use_single_read = true, |
| 74 | .use_single_write = true, |
| 75 | }; |
| 76 | |
| 77 | static int max98363_suspend(struct device *dev) |
| 78 | { |
| 79 | struct max98363_priv *max98363 = dev_get_drvdata(dev); |
| 80 | |
| 81 | regcache_cache_only(max98363->regmap, true); |
| 82 | regcache_mark_dirty(max98363->regmap); |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | #define MAX98363_PROBE_TIMEOUT 5000 |
| 88 | |
| 89 | static int max98363_resume(struct device *dev) |
| 90 | { |
| 91 | struct sdw_slave *slave = dev_to_sdw_dev(dev); |
| 92 | struct max98363_priv *max98363 = dev_get_drvdata(dev); |
| 93 | unsigned long time; |
| 94 | |
| 95 | if (!max98363->first_hw_init) |
| 96 | return 0; |
| 97 | |
| 98 | if (!slave->unattach_request) |
| 99 | goto regmap_sync; |
| 100 | |
| 101 | time = wait_for_completion_timeout(&slave->initialization_complete, |
| 102 | msecs_to_jiffies(MAX98363_PROBE_TIMEOUT)); |
| 103 | if (!time) { |
| 104 | dev_err(dev, "Initialization not complete, timed out\n"); |
| 105 | return -ETIMEDOUT; |
| 106 | } |
| 107 | |
| 108 | regmap_sync: |
| 109 | |
| 110 | slave->unattach_request = 0; |
| 111 | regcache_cache_only(max98363->regmap, false); |
| 112 | regcache_sync(max98363->regmap); |
| 113 | |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | static DEFINE_RUNTIME_DEV_PM_OPS(max98363_pm, max98363_suspend, max98363_resume, NULL); |
| 118 | |
| 119 | static int max98363_read_prop(struct sdw_slave *slave) |
| 120 | { |
| 121 | struct sdw_slave_prop *prop = &slave->prop; |
| 122 | int nval, i; |
| 123 | u32 bit; |
| 124 | unsigned long addr; |
| 125 | struct sdw_dpn_prop *dpn; |
| 126 | |
| 127 | prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; |
| 128 | |
| 129 | /* BITMAP: 00000010 Dataport 1 is active */ |
| 130 | prop->sink_ports = BIT(1); |
| 131 | prop->paging_support = true; |
| 132 | prop->clk_stop_timeout = 20; |
| 133 | prop->simple_clk_stop_capable = true; |
| 134 | prop->clock_reg_supported = true; |
| 135 | |
| 136 | nval = hweight32(prop->sink_ports); |
| 137 | prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, |
| 138 | sizeof(*prop->sink_dpn_prop), |
| 139 | GFP_KERNEL); |
| 140 | if (!prop->sink_dpn_prop) |
| 141 | return -ENOMEM; |
| 142 | |
| 143 | i = 0; |
| 144 | dpn = prop->sink_dpn_prop; |
| 145 | addr = prop->sink_ports; |
| 146 | for_each_set_bit(bit, &addr, 32) { |
| 147 | dpn[i].num = bit; |
| 148 | dpn[i].type = SDW_DPN_FULL; |
| 149 | dpn[i].simple_ch_prep_sm = true; |
| 150 | dpn[i].ch_prep_timeout = 10; |
| 151 | i++; |
| 152 | } |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | static int max98363_io_init(struct sdw_slave *slave) |
| 158 | { |
| 159 | struct device *dev = &slave->dev; |
| 160 | struct max98363_priv *max98363 = dev_get_drvdata(dev); |
| 161 | int ret, reg; |
| 162 | |
Pierre-Louis Bossart | 49ae74a | 2023-08-02 10:36:15 -0500 | [diff] [blame] | 163 | regcache_cache_only(max98363->regmap, false); |
| 164 | if (max98363->first_hw_init) |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 165 | regcache_cache_bypass(max98363->regmap, true); |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 166 | |
| 167 | /* |
Pierre-Louis Bossart | d6ce285 | 2023-08-02 10:36:28 -0500 | [diff] [blame] | 168 | * PM runtime status is marked as 'active' only when a Slave reports as Attached |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 169 | */ |
Pierre-Louis Bossart | d6ce285 | 2023-08-02 10:36:28 -0500 | [diff] [blame] | 170 | if (!max98363->first_hw_init) |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 171 | /* update count of parent 'active' children */ |
| 172 | pm_runtime_set_active(dev); |
| 173 | |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 174 | pm_runtime_get_noresume(dev); |
| 175 | |
| 176 | ret = regmap_read(max98363->regmap, MAX98363_R21FF_REV_ID, ®); |
Bard Liao | 3853111 | 2023-08-04 11:47:34 +0800 | [diff] [blame] | 177 | if (!ret) |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 178 | dev_info(dev, "Revision ID: %X\n", reg); |
Bard Liao | 3853111 | 2023-08-04 11:47:34 +0800 | [diff] [blame] | 179 | else |
| 180 | goto out; |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 181 | |
| 182 | if (max98363->first_hw_init) { |
| 183 | regcache_cache_bypass(max98363->regmap, false); |
| 184 | regcache_mark_dirty(max98363->regmap); |
| 185 | } |
| 186 | |
| 187 | max98363->first_hw_init = true; |
| 188 | max98363->hw_init = true; |
| 189 | |
Bard Liao | 3853111 | 2023-08-04 11:47:34 +0800 | [diff] [blame] | 190 | out: |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 191 | pm_runtime_mark_last_busy(dev); |
| 192 | pm_runtime_put_autosuspend(dev); |
| 193 | |
Bard Liao | 3853111 | 2023-08-04 11:47:34 +0800 | [diff] [blame] | 194 | return ret; |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | #define MAX98363_RATES SNDRV_PCM_RATE_8000_192000 |
Ryan Lee | 0e2ee34 | 2023-06-01 06:05:59 -0700 | [diff] [blame] | 198 | #define MAX98363_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 199 | |
| 200 | static int max98363_sdw_dai_hw_params(struct snd_pcm_substream *substream, |
| 201 | struct snd_pcm_hw_params *params, |
| 202 | struct snd_soc_dai *dai) |
| 203 | { |
| 204 | struct snd_soc_component *component = dai->component; |
| 205 | struct max98363_priv *max98363 = |
| 206 | snd_soc_component_get_drvdata(component); |
| 207 | |
| 208 | struct sdw_stream_config stream_config; |
| 209 | struct sdw_port_config port_config; |
| 210 | enum sdw_data_direction direction; |
| 211 | struct sdw_stream_runtime *stream; |
| 212 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 213 | |
| 214 | int ret; |
| 215 | |
| 216 | stream = snd_soc_dai_get_dma_data(dai, substream); |
| 217 | |
| 218 | if (!stream) |
| 219 | return -EINVAL; |
| 220 | |
| 221 | if (!max98363->slave) |
| 222 | return -EINVAL; |
| 223 | |
| 224 | if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) |
| 225 | return -EINVAL; |
| 226 | |
| 227 | direction = SDW_DATA_DIR_RX; |
| 228 | port_config.num = 1; |
| 229 | |
| 230 | stream_config.frame_rate = params_rate(params); |
| 231 | stream_config.bps = snd_pcm_format_width(params_format(params)); |
| 232 | stream_config.direction = direction; |
Ryan Lee | 3a67ad1 | 2023-06-01 06:06:00 -0700 | [diff] [blame] | 233 | stream_config.ch_count = 1; |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 234 | |
| 235 | if (stream_config.ch_count > runtime->hw.channels_max) { |
| 236 | stream_config.ch_count = runtime->hw.channels_max; |
| 237 | dev_info(dai->dev, "Number of channels: %d (requested: %d)\n", |
| 238 | stream_config.ch_count, params_channels(params)); |
| 239 | } |
| 240 | port_config.ch_mask = GENMASK((int)stream_config.ch_count - 1, 0); |
| 241 | |
| 242 | ret = sdw_stream_add_slave(max98363->slave, &stream_config, |
| 243 | &port_config, 1, stream); |
| 244 | if (ret) { |
| 245 | dev_err(dai->dev, "Unable to configure port\n"); |
| 246 | return ret; |
| 247 | } |
| 248 | |
| 249 | dev_dbg(component->dev, "Format supported %d", params_format(params)); |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static int max98363_pcm_hw_free(struct snd_pcm_substream *substream, |
| 255 | struct snd_soc_dai *dai) |
| 256 | { |
| 257 | struct snd_soc_component *component = dai->component; |
| 258 | struct max98363_priv *max98363 = |
| 259 | snd_soc_component_get_drvdata(component); |
| 260 | struct sdw_stream_runtime *stream = |
| 261 | snd_soc_dai_get_dma_data(dai, substream); |
| 262 | |
| 263 | if (!max98363->slave) |
| 264 | return -EINVAL; |
| 265 | |
| 266 | sdw_stream_remove_slave(max98363->slave, stream); |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static int max98363_set_sdw_stream(struct snd_soc_dai *dai, |
| 272 | void *sdw_stream, int direction) |
| 273 | { |
| 274 | snd_soc_dai_dma_data_set(dai, direction, sdw_stream); |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
| 279 | static const struct snd_soc_dai_ops max98363_dai_sdw_ops = { |
| 280 | .hw_params = max98363_sdw_dai_hw_params, |
| 281 | .hw_free = max98363_pcm_hw_free, |
| 282 | .set_stream = max98363_set_sdw_stream, |
| 283 | }; |
| 284 | |
| 285 | static struct snd_soc_dai_driver max98363_dai[] = { |
| 286 | { |
| 287 | .name = "max98363-aif1", |
| 288 | .playback = { |
| 289 | .stream_name = "HiFi Playback", |
| 290 | .channels_min = 1, |
| 291 | .channels_max = 1, |
| 292 | .rates = MAX98363_RATES, |
| 293 | .formats = MAX98363_FORMATS, |
| 294 | }, |
| 295 | .ops = &max98363_dai_sdw_ops, |
| 296 | } |
| 297 | }; |
| 298 | |
| 299 | static int max98363_update_status(struct sdw_slave *slave, |
| 300 | enum sdw_slave_status status) |
| 301 | { |
| 302 | struct max98363_priv *max98363 = dev_get_drvdata(&slave->dev); |
| 303 | |
| 304 | if (status == SDW_SLAVE_UNATTACHED) |
| 305 | max98363->hw_init = false; |
| 306 | |
| 307 | /* |
| 308 | * Perform initialization only if slave status is SDW_SLAVE_ATTACHED |
| 309 | */ |
| 310 | if (max98363->hw_init || status != SDW_SLAVE_ATTACHED) |
| 311 | return 0; |
| 312 | |
| 313 | /* perform I/O transfers required for Slave initialization */ |
| 314 | return max98363_io_init(slave); |
| 315 | } |
| 316 | |
Krzysztof Kozlowski | fd38b4e | 2024-02-08 11:50:11 +0100 | [diff] [blame] | 317 | static const struct sdw_slave_ops max98363_slave_ops = { |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 318 | .read_prop = max98363_read_prop, |
| 319 | .update_status = max98363_update_status, |
| 320 | }; |
| 321 | |
| 322 | static DECLARE_TLV_DB_SCALE(max98363_digital_tlv, -6350, 50, 1); |
| 323 | static const DECLARE_TLV_DB_RANGE(max98363_spk_tlv, |
| 324 | 0, 5, TLV_DB_SCALE_ITEM(-300, 300, 0), |
| 325 | ); |
| 326 | |
| 327 | static const char * const max98363_tone_cfg_text[] = { |
| 328 | "Reserved", "0", "+FS/2", "-FS/2", "1KHz", |
| 329 | "12KHz", "8KHz", "6KHz", "4KHz", "3KHz", |
| 330 | "2KHz", "1.5KHz", "Reserved", "500Hz", "250Hz" |
| 331 | }; |
| 332 | |
| 333 | static SOC_ENUM_SINGLE_DECL(max98363_tone_cfg_enum, |
| 334 | MAX98363_R2030_TONE_GEN_CFG, 0, |
| 335 | max98363_tone_cfg_text); |
| 336 | |
| 337 | static const char * const max98363_spkmon_duration_text[] = { |
| 338 | "8ms", "20ms", "40ms", "60ms", |
| 339 | "80ms", "160ms", "240ms", "320ms", |
| 340 | "400ms", "480ms", "560ms", "640ms", |
| 341 | "720ms", "800ms", "880ms", "960ms" |
| 342 | }; |
| 343 | |
| 344 | static SOC_ENUM_SINGLE_DECL(max98363_spkmon_duration_enum, |
| 345 | MAX98363_R2023_SPK_MON_DURATION, 0, |
| 346 | max98363_spkmon_duration_text); |
| 347 | |
| 348 | static const struct snd_kcontrol_new max98363_snd_controls[] = { |
| 349 | SOC_SINGLE_TLV("Digital Volume", MAX98363_R2040_AMP_VOL, |
| 350 | 0, 0x7F, 1, max98363_digital_tlv), |
| 351 | SOC_SINGLE_TLV("Speaker Volume", MAX98363_R2041_AMP_GAIN, |
| 352 | 0, 10, 0, max98363_spk_tlv), |
| 353 | SOC_SINGLE("Tone Generator Switch", MAX98363_R203F_TONE_GEN_EN, |
| 354 | 0, 1, 0), |
| 355 | SOC_ENUM("Tone Config", max98363_tone_cfg_enum), |
| 356 | SOC_SINGLE("Ramp Switch", MAX98363_R2042_DSP_CFG, |
| 357 | MAX98363_AMP_DSP_CFG_RMP_SHIFT, 1, 0), |
| 358 | SOC_SINGLE("CLK Monitor Switch", MAX98363_R2021_ERR_MON_CTRL, |
| 359 | MAX98363_CLOCK_MON_SHIFT, 1, 0), |
| 360 | SOC_SINGLE("SPKMON Monitor Switch", MAX98363_R2021_ERR_MON_CTRL, |
| 361 | MAX98363_SPKMON_SHIFT, 1, 0), |
| 362 | SOC_SINGLE("SPKMON Thresh", MAX98363_R2022_SPK_MON_THRESH, 0, 0xFF, 0), |
| 363 | SOC_ENUM("SPKMON Duration", max98363_spkmon_duration_enum), |
| 364 | }; |
| 365 | |
| 366 | static const struct snd_soc_dapm_widget max98363_dapm_widgets[] = { |
| 367 | SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0), |
| 368 | SND_SOC_DAPM_OUTPUT("BE_OUT"), |
| 369 | }; |
| 370 | |
| 371 | static const struct snd_soc_dapm_route max98363_audio_map[] = { |
| 372 | /* Plabyack */ |
| 373 | {"BE_OUT", NULL, "AIFIN"}, |
| 374 | }; |
| 375 | |
Tom Rix | 80a4623 | 2023-04-06 11:23:00 -0400 | [diff] [blame] | 376 | static const struct snd_soc_component_driver soc_codec_dev_max98363 = { |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 377 | .controls = max98363_snd_controls, |
| 378 | .num_controls = ARRAY_SIZE(max98363_snd_controls), |
| 379 | .dapm_widgets = max98363_dapm_widgets, |
| 380 | .num_dapm_widgets = ARRAY_SIZE(max98363_dapm_widgets), |
| 381 | .dapm_routes = max98363_audio_map, |
| 382 | .num_dapm_routes = ARRAY_SIZE(max98363_audio_map), |
| 383 | .use_pmdown_time = 1, |
| 384 | .endianness = 1, |
| 385 | }; |
| 386 | |
| 387 | static int max98363_init(struct sdw_slave *slave, struct regmap *regmap) |
| 388 | { |
| 389 | struct max98363_priv *max98363; |
| 390 | int ret; |
| 391 | struct device *dev = &slave->dev; |
| 392 | |
| 393 | /* Allocate and assign private driver data structure */ |
| 394 | max98363 = devm_kzalloc(dev, sizeof(*max98363), GFP_KERNEL); |
| 395 | if (!max98363) |
| 396 | return -ENOMEM; |
| 397 | |
| 398 | dev_set_drvdata(dev, max98363); |
| 399 | max98363->regmap = regmap; |
| 400 | max98363->slave = slave; |
| 401 | |
Pierre-Louis Bossart | 49ae74a | 2023-08-02 10:36:15 -0500 | [diff] [blame] | 402 | regcache_cache_only(max98363->regmap, true); |
| 403 | |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 404 | max98363->hw_init = false; |
| 405 | max98363->first_hw_init = false; |
| 406 | |
| 407 | /* codec registration */ |
| 408 | ret = devm_snd_soc_register_component(dev, &soc_codec_dev_max98363, |
| 409 | max98363_dai, |
| 410 | ARRAY_SIZE(max98363_dai)); |
Pierre-Louis Bossart | d6ce285 | 2023-08-02 10:36:28 -0500 | [diff] [blame] | 411 | if (ret < 0) { |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 412 | dev_err(dev, "Failed to register codec: %d\n", ret); |
Pierre-Louis Bossart | d6ce285 | 2023-08-02 10:36:28 -0500 | [diff] [blame] | 413 | return ret; |
| 414 | } |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 415 | |
Pierre-Louis Bossart | d6ce285 | 2023-08-02 10:36:28 -0500 | [diff] [blame] | 416 | /* set autosuspend parameters */ |
| 417 | pm_runtime_set_autosuspend_delay(dev, 3000); |
| 418 | pm_runtime_use_autosuspend(dev); |
| 419 | |
| 420 | /* make sure the device does not suspend immediately */ |
| 421 | pm_runtime_mark_last_busy(dev); |
| 422 | |
| 423 | pm_runtime_enable(dev); |
| 424 | |
| 425 | /* important note: the device is NOT tagged as 'active' and will remain |
| 426 | * 'suspended' until the hardware is enumerated/initialized. This is required |
| 427 | * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently |
| 428 | * fail with -EACCESS because of race conditions between card creation and enumeration |
| 429 | */ |
| 430 | return 0; |
Ryan Lee | 18c0af9 | 2023-03-30 16:43:18 -0700 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | static int max98363_sdw_probe(struct sdw_slave *slave, |
| 434 | const struct sdw_device_id *id) |
| 435 | { |
| 436 | struct regmap *regmap; |
| 437 | |
| 438 | /* Regmap Initialization */ |
| 439 | regmap = devm_regmap_init_sdw(slave, &max98363_sdw_regmap); |
| 440 | if (IS_ERR(regmap)) |
| 441 | return PTR_ERR(regmap); |
| 442 | |
| 443 | return max98363_init(slave, regmap); |
| 444 | } |
| 445 | |
| 446 | static const struct sdw_device_id max98363_id[] = { |
| 447 | SDW_SLAVE_ENTRY(0x019F, 0x8363, 0), |
| 448 | {}, |
| 449 | }; |
| 450 | MODULE_DEVICE_TABLE(sdw, max98363_id); |
| 451 | |
| 452 | static struct sdw_driver max98363_sdw_driver = { |
| 453 | .driver = { |
| 454 | .name = "max98363", |
| 455 | .pm = pm_ptr(&max98363_pm), |
| 456 | }, |
| 457 | .probe = max98363_sdw_probe, |
| 458 | .ops = &max98363_slave_ops, |
| 459 | .id_table = max98363_id, |
| 460 | }; |
| 461 | |
| 462 | module_sdw_driver(max98363_sdw_driver); |
| 463 | |
| 464 | MODULE_DESCRIPTION("ASoC MAX98363 driver SDW"); |
| 465 | MODULE_AUTHOR("Ryan Lee <ryans.lee@analog.com>"); |
| 466 | MODULE_LICENSE("GPL"); |