1a87a6653SShuming Fan // SPDX-License-Identifier: GPL-2.0 2a87a6653SShuming Fan // 3a87a6653SShuming Fan // rt1308-sdw.c -- rt1308 ALSA SoC audio driver 4a87a6653SShuming Fan // 5a87a6653SShuming Fan // Copyright(c) 2019 Realtek Semiconductor Corp. 6a87a6653SShuming Fan // 7a87a6653SShuming Fan // 8a87a6653SShuming Fan #include <linux/delay.h> 9a87a6653SShuming Fan #include <linux/device.h> 10a87a6653SShuming Fan #include <linux/pm_runtime.h> 11a87a6653SShuming Fan #include <linux/mod_devicetable.h> 12a87a6653SShuming Fan #include <linux/soundwire/sdw.h> 13a87a6653SShuming Fan #include <linux/soundwire/sdw_type.h> 14a87a6653SShuming Fan #include <linux/soundwire/sdw_registers.h> 15a87a6653SShuming Fan #include <linux/module.h> 16a87a6653SShuming Fan #include <linux/regmap.h> 17a87a6653SShuming Fan #include <sound/core.h> 18a87a6653SShuming Fan #include <sound/pcm.h> 19a87a6653SShuming Fan #include <sound/pcm_params.h> 20a87a6653SShuming Fan #include <sound/soc.h> 21a87a6653SShuming Fan #include <sound/soc-dapm.h> 22a87a6653SShuming Fan #include <sound/initval.h> 23a87a6653SShuming Fan 24a87a6653SShuming Fan #include "rt1308.h" 25a87a6653SShuming Fan #include "rt1308-sdw.h" 26a87a6653SShuming Fan 27a87a6653SShuming Fan static bool rt1308_readable_register(struct device *dev, unsigned int reg) 28a87a6653SShuming Fan { 29a87a6653SShuming Fan switch (reg) { 30a87a6653SShuming Fan case 0x00e0: 31a87a6653SShuming Fan case 0x00f0: 32a87a6653SShuming Fan case 0x2f01 ... 0x2f07: 33a87a6653SShuming Fan case 0x3000 ... 0x3001: 34a87a6653SShuming Fan case 0x3004 ... 0x3005: 35a87a6653SShuming Fan case 0x3008: 36a87a6653SShuming Fan case 0x300a: 37a87a6653SShuming Fan case 0xc000 ... 0xcff3: 38a87a6653SShuming Fan return true; 39a87a6653SShuming Fan default: 40a87a6653SShuming Fan return false; 41a87a6653SShuming Fan } 42a87a6653SShuming Fan } 43a87a6653SShuming Fan 44a87a6653SShuming Fan static bool rt1308_volatile_register(struct device *dev, unsigned int reg) 45a87a6653SShuming Fan { 46a87a6653SShuming Fan switch (reg) { 47a87a6653SShuming Fan case 0x2f01 ... 0x2f07: 48a87a6653SShuming Fan case 0x3000 ... 0x3001: 49a87a6653SShuming Fan case 0x3004 ... 0x3005: 50a87a6653SShuming Fan case 0x3008: 51a87a6653SShuming Fan case 0x300a: 52a87a6653SShuming Fan case 0xc000: 53a87a6653SShuming Fan return true; 54a87a6653SShuming Fan default: 55a87a6653SShuming Fan return false; 56a87a6653SShuming Fan } 57a87a6653SShuming Fan } 58a87a6653SShuming Fan 59a87a6653SShuming Fan static const struct regmap_config rt1308_sdw_regmap = { 60a87a6653SShuming Fan .reg_bits = 32, 61a87a6653SShuming Fan .val_bits = 8, 62a87a6653SShuming Fan .readable_reg = rt1308_readable_register, 63a87a6653SShuming Fan .volatile_reg = rt1308_volatile_register, 64a87a6653SShuming Fan .max_register = 0xcfff, 65a87a6653SShuming Fan .reg_defaults = rt1308_reg_defaults, 66a87a6653SShuming Fan .num_reg_defaults = ARRAY_SIZE(rt1308_reg_defaults), 67a87a6653SShuming Fan .cache_type = REGCACHE_RBTREE, 68a87a6653SShuming Fan .use_single_read = true, 69a87a6653SShuming Fan .use_single_write = true, 70a87a6653SShuming Fan }; 71a87a6653SShuming Fan 72a87a6653SShuming Fan /* Bus clock frequency */ 73a87a6653SShuming Fan #define RT1308_CLK_FREQ_9600000HZ 9600000 74a87a6653SShuming Fan #define RT1308_CLK_FREQ_12000000HZ 12000000 75a87a6653SShuming Fan #define RT1308_CLK_FREQ_6000000HZ 6000000 76a87a6653SShuming Fan #define RT1308_CLK_FREQ_4800000HZ 4800000 77a87a6653SShuming Fan #define RT1308_CLK_FREQ_2400000HZ 2400000 78a87a6653SShuming Fan #define RT1308_CLK_FREQ_12288000HZ 12288000 79a87a6653SShuming Fan 80a87a6653SShuming Fan static int rt1308_clock_config(struct device *dev) 81a87a6653SShuming Fan { 82a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); 83a87a6653SShuming Fan unsigned int clk_freq, value; 84a87a6653SShuming Fan 85a87a6653SShuming Fan clk_freq = (rt1308->params.curr_dr_freq >> 1); 86a87a6653SShuming Fan 87a87a6653SShuming Fan switch (clk_freq) { 88a87a6653SShuming Fan case RT1308_CLK_FREQ_12000000HZ: 89a87a6653SShuming Fan value = 0x0; 90a87a6653SShuming Fan break; 91a87a6653SShuming Fan case RT1308_CLK_FREQ_6000000HZ: 92a87a6653SShuming Fan value = 0x1; 93a87a6653SShuming Fan break; 94a87a6653SShuming Fan case RT1308_CLK_FREQ_9600000HZ: 95a87a6653SShuming Fan value = 0x2; 96a87a6653SShuming Fan break; 97a87a6653SShuming Fan case RT1308_CLK_FREQ_4800000HZ: 98a87a6653SShuming Fan value = 0x3; 99a87a6653SShuming Fan break; 100a87a6653SShuming Fan case RT1308_CLK_FREQ_2400000HZ: 101a87a6653SShuming Fan value = 0x4; 102a87a6653SShuming Fan break; 103a87a6653SShuming Fan case RT1308_CLK_FREQ_12288000HZ: 104a87a6653SShuming Fan value = 0x5; 105a87a6653SShuming Fan break; 106a87a6653SShuming Fan default: 107a87a6653SShuming Fan return -EINVAL; 108a87a6653SShuming Fan } 109a87a6653SShuming Fan 110a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xe0, value); 111a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xf0, value); 112a87a6653SShuming Fan 113a87a6653SShuming Fan dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq); 114a87a6653SShuming Fan 115a87a6653SShuming Fan return 0; 116a87a6653SShuming Fan } 117a87a6653SShuming Fan 118a87a6653SShuming Fan static int rt1308_read_prop(struct sdw_slave *slave) 119a87a6653SShuming Fan { 120a87a6653SShuming Fan struct sdw_slave_prop *prop = &slave->prop; 121d0bbcb4eSPierre-Louis Bossart int nval, i; 122a87a6653SShuming Fan u32 bit; 123a87a6653SShuming Fan unsigned long addr; 124a87a6653SShuming Fan struct sdw_dpn_prop *dpn; 125a87a6653SShuming Fan 126*2acd30b9SPierre-Louis Bossart prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 127*2acd30b9SPierre-Louis Bossart 128a87a6653SShuming Fan prop->paging_support = true; 129a87a6653SShuming Fan 130a87a6653SShuming Fan /* first we need to allocate memory for set bits in port lists */ 131a87a6653SShuming Fan prop->source_ports = 0x00; /* BITMAP: 00010100 (not enable yet) */ 132a87a6653SShuming Fan prop->sink_ports = 0x2; /* BITMAP: 00000010 */ 133a87a6653SShuming Fan 134a87a6653SShuming Fan /* for sink */ 135a87a6653SShuming Fan nval = hweight32(prop->sink_ports); 136a87a6653SShuming Fan prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, 137a87a6653SShuming Fan sizeof(*prop->sink_dpn_prop), 138a87a6653SShuming Fan GFP_KERNEL); 139a87a6653SShuming Fan if (!prop->sink_dpn_prop) 140a87a6653SShuming Fan return -ENOMEM; 141a87a6653SShuming Fan 142a87a6653SShuming Fan i = 0; 143a87a6653SShuming Fan dpn = prop->sink_dpn_prop; 144a87a6653SShuming Fan addr = prop->sink_ports; 145a87a6653SShuming Fan for_each_set_bit(bit, &addr, 32) { 146a87a6653SShuming Fan dpn[i].num = bit; 147a87a6653SShuming Fan dpn[i].type = SDW_DPN_FULL; 148a87a6653SShuming Fan dpn[i].simple_ch_prep_sm = true; 149a87a6653SShuming Fan dpn[i].ch_prep_timeout = 10; 150a87a6653SShuming Fan i++; 151a87a6653SShuming Fan } 152a87a6653SShuming Fan 153a87a6653SShuming Fan /* set the timeout values */ 154a87a6653SShuming Fan prop->clk_stop_timeout = 20; 155a87a6653SShuming Fan 156a87a6653SShuming Fan dev_dbg(&slave->dev, "%s\n", __func__); 157a87a6653SShuming Fan 158a87a6653SShuming Fan return 0; 159a87a6653SShuming Fan } 160a87a6653SShuming Fan 161a87a6653SShuming Fan static int rt1308_io_init(struct device *dev, struct sdw_slave *slave) 162a87a6653SShuming Fan { 163a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); 164a87a6653SShuming Fan int ret = 0; 165a87a6653SShuming Fan unsigned int efuse_m_btl_l, efuse_m_btl_r, tmp; 166a87a6653SShuming Fan unsigned int efuse_c_btl_l, efuse_c_btl_r; 167a87a6653SShuming Fan 168a87a6653SShuming Fan if (rt1308->hw_init) 169a87a6653SShuming Fan return 0; 170a87a6653SShuming Fan 171a87a6653SShuming Fan if (rt1308->first_hw_init) { 172a87a6653SShuming Fan regcache_cache_only(rt1308->regmap, false); 173a87a6653SShuming Fan regcache_cache_bypass(rt1308->regmap, true); 174a87a6653SShuming Fan } 175a87a6653SShuming Fan 176a87a6653SShuming Fan /* 177a87a6653SShuming Fan * PM runtime is only enabled when a Slave reports as Attached 178a87a6653SShuming Fan */ 179a87a6653SShuming Fan if (!rt1308->first_hw_init) { 180a87a6653SShuming Fan /* set autosuspend parameters */ 181a87a6653SShuming Fan pm_runtime_set_autosuspend_delay(&slave->dev, 3000); 182a87a6653SShuming Fan pm_runtime_use_autosuspend(&slave->dev); 183a87a6653SShuming Fan 184a87a6653SShuming Fan /* update count of parent 'active' children */ 185a87a6653SShuming Fan pm_runtime_set_active(&slave->dev); 186a87a6653SShuming Fan 187a87a6653SShuming Fan /* make sure the device does not suspend immediately */ 188a87a6653SShuming Fan pm_runtime_mark_last_busy(&slave->dev); 189a87a6653SShuming Fan 190a87a6653SShuming Fan pm_runtime_enable(&slave->dev); 191a87a6653SShuming Fan } 192a87a6653SShuming Fan 193a87a6653SShuming Fan pm_runtime_get_noresume(&slave->dev); 194a87a6653SShuming Fan 195a87a6653SShuming Fan /* sw reset */ 196a87a6653SShuming Fan regmap_write(rt1308->regmap, RT1308_SDW_RESET, 0); 197a87a6653SShuming Fan 198a87a6653SShuming Fan /* read efuse */ 199a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc360, 0x01); 200a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc361, 0x80); 201a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc7f0, 0x04); 202a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc7f1, 0xfe); 203a87a6653SShuming Fan msleep(100); 204a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc7f0, 0x44); 205a87a6653SShuming Fan msleep(20); 206a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc240, 0x10); 207a87a6653SShuming Fan 208a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc861, &tmp); 209a87a6653SShuming Fan efuse_m_btl_l = tmp; 210a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc860, &tmp); 211a87a6653SShuming Fan efuse_m_btl_l = efuse_m_btl_l | (tmp << 8); 212a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc863, &tmp); 213a87a6653SShuming Fan efuse_c_btl_l = tmp; 214a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc862, &tmp); 215a87a6653SShuming Fan efuse_c_btl_l = efuse_c_btl_l | (tmp << 8); 216a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc871, &tmp); 217a87a6653SShuming Fan efuse_m_btl_r = tmp; 218a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc870, &tmp); 219a87a6653SShuming Fan efuse_m_btl_r = efuse_m_btl_r | (tmp << 8); 220a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc873, &tmp); 221a87a6653SShuming Fan efuse_c_btl_r = tmp; 222a87a6653SShuming Fan regmap_read(rt1308->regmap, 0xc872, &tmp); 223a87a6653SShuming Fan efuse_c_btl_r = efuse_c_btl_r | (tmp << 8); 224110f44c2SPierre-Louis Bossart dev_dbg(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__, 225a87a6653SShuming Fan efuse_m_btl_l, efuse_m_btl_r); 226110f44c2SPierre-Louis Bossart dev_dbg(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__, 227a87a6653SShuming Fan efuse_c_btl_l, efuse_c_btl_r); 228a87a6653SShuming Fan 229a87a6653SShuming Fan /* initial settings */ 230a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc103, 0xc0); 231a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc030, 0x17); 232a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc031, 0x81); 233a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc032, 0x26); 234a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc040, 0x80); 235a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc041, 0x80); 236a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc042, 0x06); 237a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc052, 0x0a); 238a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc080, 0x0a); 239a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc060, 0x02); 240a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc061, 0x75); 241a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc062, 0x05); 242a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc171, 0x07); 243a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc173, 0x0d); 244a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc311, 0x7f); 245a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc900, 0x90); 246a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc1a0, 0x84); 247a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc1a1, 0x01); 248a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc360, 0x78); 249a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc361, 0x87); 250a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc0a1, 0x71); 251a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc210, 0x00); 252a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc070, 0x00); 253a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc100, 0xd7); 254a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc101, 0xd7); 255a87a6653SShuming Fan regmap_write(rt1308->regmap, 0xc300, 0x09); 256a87a6653SShuming Fan 257a87a6653SShuming Fan if (rt1308->first_hw_init) { 258a87a6653SShuming Fan regcache_cache_bypass(rt1308->regmap, false); 259a87a6653SShuming Fan regcache_mark_dirty(rt1308->regmap); 260a87a6653SShuming Fan } else 261a87a6653SShuming Fan rt1308->first_hw_init = true; 262a87a6653SShuming Fan 263a87a6653SShuming Fan /* Mark Slave initialization complete */ 264a87a6653SShuming Fan rt1308->hw_init = true; 265a87a6653SShuming Fan 266a87a6653SShuming Fan pm_runtime_mark_last_busy(&slave->dev); 267a87a6653SShuming Fan pm_runtime_put_autosuspend(&slave->dev); 268a87a6653SShuming Fan 269a87a6653SShuming Fan dev_dbg(&slave->dev, "%s hw_init complete\n", __func__); 270a87a6653SShuming Fan 271a87a6653SShuming Fan return ret; 272a87a6653SShuming Fan } 273a87a6653SShuming Fan 274a87a6653SShuming Fan static int rt1308_update_status(struct sdw_slave *slave, 275a87a6653SShuming Fan enum sdw_slave_status status) 276a87a6653SShuming Fan { 277a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(&slave->dev); 278a87a6653SShuming Fan 279a87a6653SShuming Fan /* Update the status */ 280a87a6653SShuming Fan rt1308->status = status; 281a87a6653SShuming Fan 282a87a6653SShuming Fan if (status == SDW_SLAVE_UNATTACHED) 283a87a6653SShuming Fan rt1308->hw_init = false; 284a87a6653SShuming Fan 285a87a6653SShuming Fan /* 286a87a6653SShuming Fan * Perform initialization only if slave status is present and 287a87a6653SShuming Fan * hw_init flag is false 288a87a6653SShuming Fan */ 289a87a6653SShuming Fan if (rt1308->hw_init || rt1308->status != SDW_SLAVE_ATTACHED) 290a87a6653SShuming Fan return 0; 291a87a6653SShuming Fan 292a87a6653SShuming Fan /* perform I/O transfers required for Slave initialization */ 293a87a6653SShuming Fan return rt1308_io_init(&slave->dev, slave); 294a87a6653SShuming Fan } 295a87a6653SShuming Fan 296a87a6653SShuming Fan static int rt1308_bus_config(struct sdw_slave *slave, 297a87a6653SShuming Fan struct sdw_bus_params *params) 298a87a6653SShuming Fan { 299a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(&slave->dev); 300a87a6653SShuming Fan int ret; 301a87a6653SShuming Fan 302a87a6653SShuming Fan memcpy(&rt1308->params, params, sizeof(*params)); 303a87a6653SShuming Fan 304a87a6653SShuming Fan ret = rt1308_clock_config(&slave->dev); 305a87a6653SShuming Fan if (ret < 0) 306a87a6653SShuming Fan dev_err(&slave->dev, "Invalid clk config"); 307a87a6653SShuming Fan 308a87a6653SShuming Fan return ret; 309a87a6653SShuming Fan } 310a87a6653SShuming Fan 311a87a6653SShuming Fan static int rt1308_interrupt_callback(struct sdw_slave *slave, 312a87a6653SShuming Fan struct sdw_slave_intr_status *status) 313a87a6653SShuming Fan { 314a87a6653SShuming Fan dev_dbg(&slave->dev, 315a87a6653SShuming Fan "%s control_port_stat=%x", __func__, status->control_port); 316a87a6653SShuming Fan 317a87a6653SShuming Fan return 0; 318a87a6653SShuming Fan } 319a87a6653SShuming Fan 320a87a6653SShuming Fan static int rt1308_classd_event(struct snd_soc_dapm_widget *w, 321a87a6653SShuming Fan struct snd_kcontrol *kcontrol, int event) 322a87a6653SShuming Fan { 323a87a6653SShuming Fan struct snd_soc_component *component = 324a87a6653SShuming Fan snd_soc_dapm_to_component(w->dapm); 325a87a6653SShuming Fan 326a87a6653SShuming Fan switch (event) { 327a87a6653SShuming Fan case SND_SOC_DAPM_POST_PMU: 328a87a6653SShuming Fan msleep(30); 329a87a6653SShuming Fan snd_soc_component_update_bits(component, 330a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER_STATUS << 4), 331a87a6653SShuming Fan 0x3, 0x3); 332a87a6653SShuming Fan msleep(40); 333a87a6653SShuming Fan break; 334a87a6653SShuming Fan case SND_SOC_DAPM_PRE_PMD: 335a87a6653SShuming Fan snd_soc_component_update_bits(component, 336a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER_STATUS << 4), 337a87a6653SShuming Fan 0x3, 0); 338a87a6653SShuming Fan usleep_range(150000, 200000); 339a87a6653SShuming Fan break; 340a87a6653SShuming Fan 341a87a6653SShuming Fan default: 342a87a6653SShuming Fan break; 343a87a6653SShuming Fan } 344a87a6653SShuming Fan 345a87a6653SShuming Fan return 0; 346a87a6653SShuming Fan } 347a87a6653SShuming Fan 348a87a6653SShuming Fan static const char * const rt1308_rx_data_ch_select[] = { 349a87a6653SShuming Fan "LR", 350a87a6653SShuming Fan "LL", 351a87a6653SShuming Fan "RL", 352a87a6653SShuming Fan "RR", 353a87a6653SShuming Fan }; 354a87a6653SShuming Fan 355a87a6653SShuming Fan static SOC_ENUM_SINGLE_DECL(rt1308_rx_data_ch_enum, 356a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_DATA_PATH << 4), 0, 357a87a6653SShuming Fan rt1308_rx_data_ch_select); 358a87a6653SShuming Fan 359a87a6653SShuming Fan static const struct snd_kcontrol_new rt1308_snd_controls[] = { 360a87a6653SShuming Fan 361a87a6653SShuming Fan /* I2S Data Channel Selection */ 362a87a6653SShuming Fan SOC_ENUM("RX Channel Select", rt1308_rx_data_ch_enum), 363a87a6653SShuming Fan }; 364a87a6653SShuming Fan 365a87a6653SShuming Fan static const struct snd_kcontrol_new rt1308_sto_dac_l = 366a87a6653SShuming Fan SOC_DAPM_SINGLE_AUTODISABLE("Switch", 367a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE3 | (RT1308_DAC_SET << 4), 368a87a6653SShuming Fan RT1308_DVOL_MUTE_L_EN_SFT, 1, 1); 369a87a6653SShuming Fan 370a87a6653SShuming Fan static const struct snd_kcontrol_new rt1308_sto_dac_r = 371a87a6653SShuming Fan SOC_DAPM_SINGLE_AUTODISABLE("Switch", 372a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE3 | (RT1308_DAC_SET << 4), 373a87a6653SShuming Fan RT1308_DVOL_MUTE_R_EN_SFT, 1, 1); 374a87a6653SShuming Fan 375a87a6653SShuming Fan static const struct snd_soc_dapm_widget rt1308_dapm_widgets[] = { 376a87a6653SShuming Fan /* Audio Interface */ 377a87a6653SShuming Fan SND_SOC_DAPM_AIF_IN("AIF1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0), 378a87a6653SShuming Fan 379a87a6653SShuming Fan /* Supply Widgets */ 380a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("MBIAS20U", 381a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 7, 0, NULL, 0), 382a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("ALDO", 383a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 6, 0, NULL, 0), 384a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("DBG", 385a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 5, 0, NULL, 0), 386a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("DACL", 387a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 4, 0, NULL, 0), 388a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("CLK25M", 389a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 2, 0, NULL, 0), 390a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("ADC_R", 391a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 1, 0, NULL, 0), 392a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("ADC_L", 393a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 0, 0, NULL, 0), 394a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("DAC Power", 395a87a6653SShuming Fan RT1308_SDW_OFFSET | (RT1308_POWER << 4), 3, 0, NULL, 0), 396a87a6653SShuming Fan 397a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("DLDO", 398a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE1 | (RT1308_POWER << 4), 5, 0, NULL, 0), 399a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("VREF", 400a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE1 | (RT1308_POWER << 4), 4, 0, NULL, 0), 401a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("MIXER_R", 402a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE1 | (RT1308_POWER << 4), 2, 0, NULL, 0), 403a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("MIXER_L", 404a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE1 | (RT1308_POWER << 4), 1, 0, NULL, 0), 405a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("MBIAS4U", 406a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE1 | (RT1308_POWER << 4), 0, 0, NULL, 0), 407a87a6653SShuming Fan 408a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("PLL2_LDO", 409a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE2 | (RT1308_POWER << 4), 4, 0, NULL, 0), 410a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("PLL2B", 411a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE2 | (RT1308_POWER << 4), 3, 0, NULL, 0), 412a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("PLL2F", 413a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE2 | (RT1308_POWER << 4), 2, 0, NULL, 0), 414a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("PLL2F2", 415a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE2 | (RT1308_POWER << 4), 1, 0, NULL, 0), 416a87a6653SShuming Fan SND_SOC_DAPM_SUPPLY("PLL2B2", 417a87a6653SShuming Fan RT1308_SDW_OFFSET_BYTE2 | (RT1308_POWER << 4), 0, 0, NULL, 0), 418a87a6653SShuming Fan 419a87a6653SShuming Fan /* Digital Interface */ 420a87a6653SShuming Fan SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0), 421a87a6653SShuming Fan SND_SOC_DAPM_SWITCH("DAC L", SND_SOC_NOPM, 0, 0, &rt1308_sto_dac_l), 422a87a6653SShuming Fan SND_SOC_DAPM_SWITCH("DAC R", SND_SOC_NOPM, 0, 0, &rt1308_sto_dac_r), 423a87a6653SShuming Fan 424a87a6653SShuming Fan /* Output Lines */ 425a87a6653SShuming Fan SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0, 426a87a6653SShuming Fan rt1308_classd_event, 427a87a6653SShuming Fan SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 428a87a6653SShuming Fan SND_SOC_DAPM_OUTPUT("SPOL"), 429a87a6653SShuming Fan SND_SOC_DAPM_OUTPUT("SPOR"), 430a87a6653SShuming Fan }; 431a87a6653SShuming Fan 432a87a6653SShuming Fan static const struct snd_soc_dapm_route rt1308_dapm_routes[] = { 433a87a6653SShuming Fan 434a87a6653SShuming Fan { "DAC", NULL, "AIF1RX" }, 435a87a6653SShuming Fan 436a87a6653SShuming Fan { "DAC", NULL, "MBIAS20U" }, 437a87a6653SShuming Fan { "DAC", NULL, "ALDO" }, 438a87a6653SShuming Fan { "DAC", NULL, "DBG" }, 439a87a6653SShuming Fan { "DAC", NULL, "DACL" }, 440a87a6653SShuming Fan { "DAC", NULL, "CLK25M" }, 441a87a6653SShuming Fan { "DAC", NULL, "ADC_R" }, 442a87a6653SShuming Fan { "DAC", NULL, "ADC_L" }, 443a87a6653SShuming Fan { "DAC", NULL, "DLDO" }, 444a87a6653SShuming Fan { "DAC", NULL, "VREF" }, 445a87a6653SShuming Fan { "DAC", NULL, "MIXER_R" }, 446a87a6653SShuming Fan { "DAC", NULL, "MIXER_L" }, 447a87a6653SShuming Fan { "DAC", NULL, "MBIAS4U" }, 448a87a6653SShuming Fan { "DAC", NULL, "PLL2_LDO" }, 449a87a6653SShuming Fan { "DAC", NULL, "PLL2B" }, 450a87a6653SShuming Fan { "DAC", NULL, "PLL2F" }, 451a87a6653SShuming Fan { "DAC", NULL, "PLL2F2" }, 452a87a6653SShuming Fan { "DAC", NULL, "PLL2B2" }, 453a87a6653SShuming Fan 454a87a6653SShuming Fan { "DAC L", "Switch", "DAC" }, 455a87a6653SShuming Fan { "DAC R", "Switch", "DAC" }, 456a87a6653SShuming Fan { "DAC L", NULL, "DAC Power" }, 457a87a6653SShuming Fan { "DAC R", NULL, "DAC Power" }, 458a87a6653SShuming Fan 459a87a6653SShuming Fan { "CLASS D", NULL, "DAC L" }, 460a87a6653SShuming Fan { "CLASS D", NULL, "DAC R" }, 461a87a6653SShuming Fan { "SPOL", NULL, "CLASS D" }, 462a87a6653SShuming Fan { "SPOR", NULL, "CLASS D" }, 463a87a6653SShuming Fan }; 464a87a6653SShuming Fan 465a87a6653SShuming Fan static int rt1308_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 466a87a6653SShuming Fan int direction) 467a87a6653SShuming Fan { 468a87a6653SShuming Fan struct sdw_stream_data *stream; 469a87a6653SShuming Fan 47007b542feSPierre-Louis Bossart if (!sdw_stream) 47107b542feSPierre-Louis Bossart return 0; 47207b542feSPierre-Louis Bossart 473a87a6653SShuming Fan stream = kzalloc(sizeof(*stream), GFP_KERNEL); 474a87a6653SShuming Fan if (!stream) 475a87a6653SShuming Fan return -ENOMEM; 476a87a6653SShuming Fan 477a87a6653SShuming Fan stream->sdw_stream = (struct sdw_stream_runtime *)sdw_stream; 478a87a6653SShuming Fan 479a87a6653SShuming Fan /* Use tx_mask or rx_mask to configure stream tag and set dma_data */ 480a87a6653SShuming Fan if (direction == SNDRV_PCM_STREAM_PLAYBACK) 481a87a6653SShuming Fan dai->playback_dma_data = stream; 482a87a6653SShuming Fan else 483a87a6653SShuming Fan dai->capture_dma_data = stream; 484a87a6653SShuming Fan 485a87a6653SShuming Fan return 0; 486a87a6653SShuming Fan } 487a87a6653SShuming Fan 488a87a6653SShuming Fan static void rt1308_sdw_shutdown(struct snd_pcm_substream *substream, 489a87a6653SShuming Fan struct snd_soc_dai *dai) 490a87a6653SShuming Fan { 491a87a6653SShuming Fan struct sdw_stream_data *stream; 492a87a6653SShuming Fan 493a87a6653SShuming Fan stream = snd_soc_dai_get_dma_data(dai, substream); 494a87a6653SShuming Fan snd_soc_dai_set_dma_data(dai, substream, NULL); 495a87a6653SShuming Fan kfree(stream); 496a87a6653SShuming Fan } 497a87a6653SShuming Fan 498f7cc9b99SPierre-Louis Bossart static int rt1308_sdw_set_tdm_slot(struct snd_soc_dai *dai, 499f7cc9b99SPierre-Louis Bossart unsigned int tx_mask, 500f7cc9b99SPierre-Louis Bossart unsigned int rx_mask, 501f7cc9b99SPierre-Louis Bossart int slots, int slot_width) 502f7cc9b99SPierre-Louis Bossart { 503f7cc9b99SPierre-Louis Bossart struct snd_soc_component *component = dai->component; 504f7cc9b99SPierre-Louis Bossart struct rt1308_sdw_priv *rt1308 = 505f7cc9b99SPierre-Louis Bossart snd_soc_component_get_drvdata(component); 506f7cc9b99SPierre-Louis Bossart 507f7cc9b99SPierre-Louis Bossart if (tx_mask) 508f7cc9b99SPierre-Louis Bossart return -EINVAL; 509f7cc9b99SPierre-Louis Bossart 510f7cc9b99SPierre-Louis Bossart if (slots > 2) 511f7cc9b99SPierre-Louis Bossart return -EINVAL; 512f7cc9b99SPierre-Louis Bossart 513f7cc9b99SPierre-Louis Bossart rt1308->rx_mask = rx_mask; 514f7cc9b99SPierre-Louis Bossart rt1308->slots = slots; 515f7cc9b99SPierre-Louis Bossart /* slot_width is not used since it's irrelevant for SoundWire */ 516f7cc9b99SPierre-Louis Bossart 517f7cc9b99SPierre-Louis Bossart return 0; 518f7cc9b99SPierre-Louis Bossart } 519f7cc9b99SPierre-Louis Bossart 520a87a6653SShuming Fan static int rt1308_sdw_hw_params(struct snd_pcm_substream *substream, 521a87a6653SShuming Fan struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 522a87a6653SShuming Fan { 523a87a6653SShuming Fan struct snd_soc_component *component = dai->component; 524a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = 525a87a6653SShuming Fan snd_soc_component_get_drvdata(component); 526a87a6653SShuming Fan struct sdw_stream_config stream_config; 527a87a6653SShuming Fan struct sdw_port_config port_config; 528a87a6653SShuming Fan enum sdw_data_direction direction; 529a87a6653SShuming Fan struct sdw_stream_data *stream; 53027a18e9eSPierre-Louis Bossart int retval, port, num_channels, ch_mask; 531a87a6653SShuming Fan 532a87a6653SShuming Fan dev_dbg(dai->dev, "%s %s", __func__, dai->name); 533a87a6653SShuming Fan stream = snd_soc_dai_get_dma_data(dai, substream); 534a87a6653SShuming Fan 535a87a6653SShuming Fan if (!stream) 536a87a6653SShuming Fan return -EINVAL; 537a87a6653SShuming Fan 538a87a6653SShuming Fan if (!rt1308->sdw_slave) 539a87a6653SShuming Fan return -EINVAL; 540a87a6653SShuming Fan 541a87a6653SShuming Fan /* SoundWire specific configuration */ 542a87a6653SShuming Fan /* port 1 for playback */ 543a87a6653SShuming Fan if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 544a87a6653SShuming Fan direction = SDW_DATA_DIR_RX; 545a87a6653SShuming Fan port = 1; 546a87a6653SShuming Fan } else { 547a87a6653SShuming Fan return -EINVAL; 548a87a6653SShuming Fan } 549a87a6653SShuming Fan 55027a18e9eSPierre-Louis Bossart if (rt1308->slots) { 55127a18e9eSPierre-Louis Bossart num_channels = rt1308->slots; 55227a18e9eSPierre-Louis Bossart ch_mask = rt1308->rx_mask; 55327a18e9eSPierre-Louis Bossart } else { 55427a18e9eSPierre-Louis Bossart num_channels = params_channels(params); 55527a18e9eSPierre-Louis Bossart ch_mask = (1 << num_channels) - 1; 55627a18e9eSPierre-Louis Bossart } 55727a18e9eSPierre-Louis Bossart 558a87a6653SShuming Fan stream_config.frame_rate = params_rate(params); 55927a18e9eSPierre-Louis Bossart stream_config.ch_count = num_channels; 560a87a6653SShuming Fan stream_config.bps = snd_pcm_format_width(params_format(params)); 561a87a6653SShuming Fan stream_config.direction = direction; 562a87a6653SShuming Fan 56327a18e9eSPierre-Louis Bossart port_config.ch_mask = ch_mask; 564a87a6653SShuming Fan port_config.num = port; 565a87a6653SShuming Fan 566a87a6653SShuming Fan retval = sdw_stream_add_slave(rt1308->sdw_slave, &stream_config, 567a87a6653SShuming Fan &port_config, 1, stream->sdw_stream); 568a87a6653SShuming Fan if (retval) { 569a87a6653SShuming Fan dev_err(dai->dev, "Unable to configure port\n"); 570a87a6653SShuming Fan return retval; 571a87a6653SShuming Fan } 572a87a6653SShuming Fan 573a87a6653SShuming Fan return retval; 574a87a6653SShuming Fan } 575a87a6653SShuming Fan 576a87a6653SShuming Fan static int rt1308_sdw_pcm_hw_free(struct snd_pcm_substream *substream, 577a87a6653SShuming Fan struct snd_soc_dai *dai) 578a87a6653SShuming Fan { 579a87a6653SShuming Fan struct snd_soc_component *component = dai->component; 580a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = 581a87a6653SShuming Fan snd_soc_component_get_drvdata(component); 582a87a6653SShuming Fan struct sdw_stream_data *stream = 583a87a6653SShuming Fan snd_soc_dai_get_dma_data(dai, substream); 584a87a6653SShuming Fan 585a87a6653SShuming Fan if (!rt1308->sdw_slave) 586a87a6653SShuming Fan return -EINVAL; 587a87a6653SShuming Fan 588a87a6653SShuming Fan sdw_stream_remove_slave(rt1308->sdw_slave, stream->sdw_stream); 589a87a6653SShuming Fan return 0; 590a87a6653SShuming Fan } 591a87a6653SShuming Fan 592a87a6653SShuming Fan /* 593a87a6653SShuming Fan * slave_ops: callbacks for get_clock_stop_mode, clock_stop and 594a87a6653SShuming Fan * port_prep are not defined for now 595a87a6653SShuming Fan */ 596a87a6653SShuming Fan static struct sdw_slave_ops rt1308_slave_ops = { 597a87a6653SShuming Fan .read_prop = rt1308_read_prop, 598a87a6653SShuming Fan .interrupt_callback = rt1308_interrupt_callback, 599a87a6653SShuming Fan .update_status = rt1308_update_status, 600a87a6653SShuming Fan .bus_config = rt1308_bus_config, 601a87a6653SShuming Fan }; 602a87a6653SShuming Fan 603a87a6653SShuming Fan static const struct snd_soc_component_driver soc_component_sdw_rt1308 = { 604a87a6653SShuming Fan .controls = rt1308_snd_controls, 605a87a6653SShuming Fan .num_controls = ARRAY_SIZE(rt1308_snd_controls), 606a87a6653SShuming Fan .dapm_widgets = rt1308_dapm_widgets, 607a87a6653SShuming Fan .num_dapm_widgets = ARRAY_SIZE(rt1308_dapm_widgets), 608a87a6653SShuming Fan .dapm_routes = rt1308_dapm_routes, 609a87a6653SShuming Fan .num_dapm_routes = ARRAY_SIZE(rt1308_dapm_routes), 610a87a6653SShuming Fan }; 611a87a6653SShuming Fan 612a87a6653SShuming Fan static const struct snd_soc_dai_ops rt1308_aif_dai_ops = { 613a87a6653SShuming Fan .hw_params = rt1308_sdw_hw_params, 614a87a6653SShuming Fan .hw_free = rt1308_sdw_pcm_hw_free, 615a87a6653SShuming Fan .set_sdw_stream = rt1308_set_sdw_stream, 616a87a6653SShuming Fan .shutdown = rt1308_sdw_shutdown, 617f7cc9b99SPierre-Louis Bossart .set_tdm_slot = rt1308_sdw_set_tdm_slot, 618a87a6653SShuming Fan }; 619a87a6653SShuming Fan 620a87a6653SShuming Fan #define RT1308_STEREO_RATES SNDRV_PCM_RATE_48000 621a87a6653SShuming Fan #define RT1308_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ 622a87a6653SShuming Fan SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \ 623a87a6653SShuming Fan SNDRV_PCM_FMTBIT_S24_LE) 624a87a6653SShuming Fan 625a87a6653SShuming Fan static struct snd_soc_dai_driver rt1308_sdw_dai[] = { 626a87a6653SShuming Fan { 627a87a6653SShuming Fan .name = "rt1308-aif", 628a87a6653SShuming Fan .playback = { 629a87a6653SShuming Fan .stream_name = "DP1 Playback", 630a87a6653SShuming Fan .channels_min = 1, 631a87a6653SShuming Fan .channels_max = 2, 632a87a6653SShuming Fan .rates = RT1308_STEREO_RATES, 633a87a6653SShuming Fan .formats = RT1308_FORMATS, 634a87a6653SShuming Fan }, 635a87a6653SShuming Fan .ops = &rt1308_aif_dai_ops, 636a87a6653SShuming Fan }, 637a87a6653SShuming Fan }; 638a87a6653SShuming Fan 639a87a6653SShuming Fan static int rt1308_sdw_init(struct device *dev, struct regmap *regmap, 640a87a6653SShuming Fan struct sdw_slave *slave) 641a87a6653SShuming Fan { 642a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308; 643a87a6653SShuming Fan int ret; 644a87a6653SShuming Fan 645a87a6653SShuming Fan rt1308 = devm_kzalloc(dev, sizeof(*rt1308), GFP_KERNEL); 646a87a6653SShuming Fan if (!rt1308) 647a87a6653SShuming Fan return -ENOMEM; 648a87a6653SShuming Fan 649a87a6653SShuming Fan dev_set_drvdata(dev, rt1308); 650a87a6653SShuming Fan rt1308->sdw_slave = slave; 651a87a6653SShuming Fan rt1308->regmap = regmap; 652a87a6653SShuming Fan 653a87a6653SShuming Fan /* 654a87a6653SShuming Fan * Mark hw_init to false 655a87a6653SShuming Fan * HW init will be performed when device reports present 656a87a6653SShuming Fan */ 657a87a6653SShuming Fan rt1308->hw_init = false; 658a87a6653SShuming Fan rt1308->first_hw_init = false; 659a87a6653SShuming Fan 660a87a6653SShuming Fan ret = devm_snd_soc_register_component(dev, 661a87a6653SShuming Fan &soc_component_sdw_rt1308, 662a87a6653SShuming Fan rt1308_sdw_dai, 663a87a6653SShuming Fan ARRAY_SIZE(rt1308_sdw_dai)); 664a87a6653SShuming Fan 665a87a6653SShuming Fan dev_dbg(&slave->dev, "%s\n", __func__); 666a87a6653SShuming Fan 667a87a6653SShuming Fan return ret; 668a87a6653SShuming Fan } 669a87a6653SShuming Fan 670a87a6653SShuming Fan static int rt1308_sdw_probe(struct sdw_slave *slave, 671a87a6653SShuming Fan const struct sdw_device_id *id) 672a87a6653SShuming Fan { 673a87a6653SShuming Fan struct regmap *regmap; 674a87a6653SShuming Fan 675a87a6653SShuming Fan /* Regmap Initialization */ 676a87a6653SShuming Fan regmap = devm_regmap_init_sdw(slave, &rt1308_sdw_regmap); 677a87a6653SShuming Fan if (!regmap) 678a87a6653SShuming Fan return -EINVAL; 679a87a6653SShuming Fan 680a87a6653SShuming Fan rt1308_sdw_init(&slave->dev, regmap, slave); 681a87a6653SShuming Fan 682a87a6653SShuming Fan return 0; 683a87a6653SShuming Fan } 684a87a6653SShuming Fan 685a87a6653SShuming Fan static const struct sdw_device_id rt1308_id[] = { 686a87a6653SShuming Fan SDW_SLAVE_ENTRY(0x025d, 0x1308, 0), 687a87a6653SShuming Fan {}, 688a87a6653SShuming Fan }; 689a87a6653SShuming Fan MODULE_DEVICE_TABLE(sdw, rt1308_id); 690a87a6653SShuming Fan 691faa37a93STakashi Iwai static int __maybe_unused rt1308_dev_suspend(struct device *dev) 692a87a6653SShuming Fan { 693a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); 694a87a6653SShuming Fan 695a87a6653SShuming Fan if (!rt1308->hw_init) 696a87a6653SShuming Fan return 0; 697a87a6653SShuming Fan 698a87a6653SShuming Fan regcache_cache_only(rt1308->regmap, true); 699a87a6653SShuming Fan 700a87a6653SShuming Fan return 0; 701a87a6653SShuming Fan } 702a87a6653SShuming Fan 703a87a6653SShuming Fan #define RT1308_PROBE_TIMEOUT 2000 704a87a6653SShuming Fan 705faa37a93STakashi Iwai static int __maybe_unused rt1308_dev_resume(struct device *dev) 706a87a6653SShuming Fan { 707a87a6653SShuming Fan struct sdw_slave *slave = dev_to_sdw_dev(dev); 708a87a6653SShuming Fan struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); 709a87a6653SShuming Fan unsigned long time; 710a87a6653SShuming Fan 711a87a6653SShuming Fan if (!rt1308->hw_init) 712a87a6653SShuming Fan return 0; 713a87a6653SShuming Fan 714a87a6653SShuming Fan if (!slave->unattach_request) 715a87a6653SShuming Fan goto regmap_sync; 716a87a6653SShuming Fan 717a87a6653SShuming Fan time = wait_for_completion_timeout(&slave->initialization_complete, 718a87a6653SShuming Fan msecs_to_jiffies(RT1308_PROBE_TIMEOUT)); 719a87a6653SShuming Fan if (!time) { 720a87a6653SShuming Fan dev_err(&slave->dev, "Initialization not complete, timed out\n"); 721a87a6653SShuming Fan return -ETIMEDOUT; 722a87a6653SShuming Fan } 723a87a6653SShuming Fan 724a87a6653SShuming Fan regmap_sync: 725a87a6653SShuming Fan slave->unattach_request = 0; 726a87a6653SShuming Fan regcache_cache_only(rt1308->regmap, false); 727a87a6653SShuming Fan regcache_sync_region(rt1308->regmap, 0xc000, 0xcfff); 728a87a6653SShuming Fan 729a87a6653SShuming Fan return 0; 730a87a6653SShuming Fan } 731a87a6653SShuming Fan 732a87a6653SShuming Fan static const struct dev_pm_ops rt1308_pm = { 733a87a6653SShuming Fan SET_SYSTEM_SLEEP_PM_OPS(rt1308_dev_suspend, rt1308_dev_resume) 734a87a6653SShuming Fan SET_RUNTIME_PM_OPS(rt1308_dev_suspend, rt1308_dev_resume, NULL) 735a87a6653SShuming Fan }; 736a87a6653SShuming Fan 737a87a6653SShuming Fan static struct sdw_driver rt1308_sdw_driver = { 738a87a6653SShuming Fan .driver = { 739a87a6653SShuming Fan .name = "rt1308", 740a87a6653SShuming Fan .owner = THIS_MODULE, 741a87a6653SShuming Fan .pm = &rt1308_pm, 742a87a6653SShuming Fan }, 743a87a6653SShuming Fan .probe = rt1308_sdw_probe, 744a87a6653SShuming Fan .ops = &rt1308_slave_ops, 745a87a6653SShuming Fan .id_table = rt1308_id, 746a87a6653SShuming Fan }; 747a87a6653SShuming Fan module_sdw_driver(rt1308_sdw_driver); 748a87a6653SShuming Fan 749a87a6653SShuming Fan MODULE_DESCRIPTION("ASoC RT1308 driver SDW"); 750a87a6653SShuming Fan MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 751a87a6653SShuming Fan MODULE_LICENSE("GPL v2"); 752