17d2a5f9aSShuming Fan // SPDX-License-Identifier: GPL-2.0 27d2a5f9aSShuming Fan // 37d2a5f9aSShuming Fan // rt700-sdw.c -- rt700 ALSA SoC audio driver 47d2a5f9aSShuming Fan // 57d2a5f9aSShuming Fan // Copyright(c) 2019 Realtek Semiconductor Corp. 67d2a5f9aSShuming Fan // 77d2a5f9aSShuming Fan // 87d2a5f9aSShuming Fan 97d2a5f9aSShuming Fan #include <linux/delay.h> 107d2a5f9aSShuming Fan #include <linux/device.h> 117d2a5f9aSShuming Fan #include <linux/mod_devicetable.h> 127d2a5f9aSShuming Fan #include <linux/soundwire/sdw.h> 137d2a5f9aSShuming Fan #include <linux/soundwire/sdw_type.h> 147d2a5f9aSShuming Fan #include <linux/module.h> 157d2a5f9aSShuming Fan #include <linux/regmap.h> 167d2a5f9aSShuming Fan #include <sound/soc.h> 177d2a5f9aSShuming Fan #include "rt700.h" 187d2a5f9aSShuming Fan #include "rt700-sdw.h" 197d2a5f9aSShuming Fan 207d2a5f9aSShuming Fan static bool rt700_readable_register(struct device *dev, unsigned int reg) 217d2a5f9aSShuming Fan { 227d2a5f9aSShuming Fan switch (reg) { 237d2a5f9aSShuming Fan case 0x00e0: 247d2a5f9aSShuming Fan case 0x00f0: 257d2a5f9aSShuming Fan case 0x2000 ... 0x200e: 267d2a5f9aSShuming Fan case 0x2012 ... 0x2016: 277d2a5f9aSShuming Fan case 0x201a ... 0x2027: 287d2a5f9aSShuming Fan case 0x2029 ... 0x202a: 297d2a5f9aSShuming Fan case 0x202d ... 0x2034: 307d2a5f9aSShuming Fan case 0x2200 ... 0x2204: 317d2a5f9aSShuming Fan case 0x2206 ... 0x2212: 327d2a5f9aSShuming Fan case 0x2220 ... 0x2223: 337d2a5f9aSShuming Fan case 0x2230 ... 0x2231: 347d2a5f9aSShuming Fan case 0x3000 ... 0x3fff: 357d2a5f9aSShuming Fan case 0x7000 ... 0x7fff: 367d2a5f9aSShuming Fan case 0x8300 ... 0x83ff: 377d2a5f9aSShuming Fan case 0x9c00 ... 0x9cff: 387d2a5f9aSShuming Fan case 0xb900 ... 0xb9ff: 397d2a5f9aSShuming Fan case 0x75201a: 407d2a5f9aSShuming Fan case 0x752045: 417d2a5f9aSShuming Fan case 0x752046: 427d2a5f9aSShuming Fan case 0x752048: 437d2a5f9aSShuming Fan case 0x75204a: 447d2a5f9aSShuming Fan case 0x75206b: 457d2a5f9aSShuming Fan case 0x752080: 467d2a5f9aSShuming Fan case 0x752081: 477d2a5f9aSShuming Fan return true; 487d2a5f9aSShuming Fan default: 497d2a5f9aSShuming Fan return false; 507d2a5f9aSShuming Fan } 517d2a5f9aSShuming Fan } 527d2a5f9aSShuming Fan 537d2a5f9aSShuming Fan static bool rt700_volatile_register(struct device *dev, unsigned int reg) 547d2a5f9aSShuming Fan { 557d2a5f9aSShuming Fan switch (reg) { 567d2a5f9aSShuming Fan case 0x2009: 577d2a5f9aSShuming Fan case 0x2016: 587d2a5f9aSShuming Fan case 0x201b: 597d2a5f9aSShuming Fan case 0x201c: 607d2a5f9aSShuming Fan case 0x201d: 617d2a5f9aSShuming Fan case 0x201f: 627d2a5f9aSShuming Fan case 0x2021: 637d2a5f9aSShuming Fan case 0x2023: 647d2a5f9aSShuming Fan case 0x2230: 657d2a5f9aSShuming Fan case 0x200b ... 0x200e: /* i2c read */ 667d2a5f9aSShuming Fan case 0x2012 ... 0x2015: /* HD-A read */ 677d2a5f9aSShuming Fan case 0x202d ... 0x202f: /* BRA */ 687d2a5f9aSShuming Fan case 0x2201 ... 0x2212: /* i2c debug */ 697d2a5f9aSShuming Fan case 0x2220 ... 0x2223: /* decoded HD-A */ 707d2a5f9aSShuming Fan case 0x9c00 ... 0x9cff: 717d2a5f9aSShuming Fan case 0xb900 ... 0xb9ff: 727d2a5f9aSShuming Fan case 0xff01: 737d2a5f9aSShuming Fan case 0x75201a: 747d2a5f9aSShuming Fan case 0x752046: 757d2a5f9aSShuming Fan case 0x752080: 767d2a5f9aSShuming Fan case 0x752081: 777d2a5f9aSShuming Fan return true; 787d2a5f9aSShuming Fan default: 797d2a5f9aSShuming Fan return false; 807d2a5f9aSShuming Fan } 817d2a5f9aSShuming Fan } 827d2a5f9aSShuming Fan 837d2a5f9aSShuming Fan static int rt700_sdw_read(void *context, unsigned int reg, unsigned int *val) 847d2a5f9aSShuming Fan { 857d2a5f9aSShuming Fan struct device *dev = context; 867d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(dev); 877d2a5f9aSShuming Fan unsigned int sdw_data_3, sdw_data_2, sdw_data_1, sdw_data_0; 887d2a5f9aSShuming Fan unsigned int reg2 = 0, reg3 = 0, reg4 = 0, mask, nid, val2; 897d2a5f9aSShuming Fan unsigned int is_hda_reg = 1, is_index_reg = 0; 907d2a5f9aSShuming Fan int ret; 917d2a5f9aSShuming Fan 927d2a5f9aSShuming Fan if (reg > 0xffff) 937d2a5f9aSShuming Fan is_index_reg = 1; 947d2a5f9aSShuming Fan 957d2a5f9aSShuming Fan mask = reg & 0xf000; 967d2a5f9aSShuming Fan 977d2a5f9aSShuming Fan if (is_index_reg) { /* index registers */ 987d2a5f9aSShuming Fan val2 = reg & 0xff; 997d2a5f9aSShuming Fan reg = reg >> 8; 1007d2a5f9aSShuming Fan nid = reg & 0xff; 1017d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, 0); 1027d2a5f9aSShuming Fan if (ret < 0) 1037d2a5f9aSShuming Fan return ret; 1047d2a5f9aSShuming Fan reg2 = reg + 0x1000; 1057d2a5f9aSShuming Fan reg2 |= 0x80; 1067d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg2, val2); 1077d2a5f9aSShuming Fan if (ret < 0) 1087d2a5f9aSShuming Fan return ret; 1097d2a5f9aSShuming Fan 1107d2a5f9aSShuming Fan reg3 = RT700_PRIV_DATA_R_H | nid; 1117d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 1127d2a5f9aSShuming Fan reg3, ((*val >> 8) & 0xff)); 1137d2a5f9aSShuming Fan if (ret < 0) 1147d2a5f9aSShuming Fan return ret; 1157d2a5f9aSShuming Fan reg4 = reg3 + 0x1000; 1167d2a5f9aSShuming Fan reg4 |= 0x80; 1177d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg4, (*val & 0xff)); 1187d2a5f9aSShuming Fan if (ret < 0) 1197d2a5f9aSShuming Fan return ret; 1207d2a5f9aSShuming Fan } else if (mask == 0x3000) { 1217d2a5f9aSShuming Fan reg += 0x8000; 1227d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, *val); 1237d2a5f9aSShuming Fan if (ret < 0) 1247d2a5f9aSShuming Fan return ret; 1257d2a5f9aSShuming Fan } else if (mask == 0x7000) { 1267d2a5f9aSShuming Fan reg += 0x2000; 1277d2a5f9aSShuming Fan reg |= 0x800; 1287d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 1297d2a5f9aSShuming Fan reg, ((*val >> 8) & 0xff)); 1307d2a5f9aSShuming Fan if (ret < 0) 1317d2a5f9aSShuming Fan return ret; 1327d2a5f9aSShuming Fan reg2 = reg + 0x1000; 1337d2a5f9aSShuming Fan reg2 |= 0x80; 1347d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg2, (*val & 0xff)); 1357d2a5f9aSShuming Fan if (ret < 0) 1367d2a5f9aSShuming Fan return ret; 1377d2a5f9aSShuming Fan } else if ((reg & 0xff00) == 0x8300) { /* for R channel */ 1387d2a5f9aSShuming Fan reg2 = reg - 0x1000; 1397d2a5f9aSShuming Fan reg2 &= ~0x80; 1407d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 1417d2a5f9aSShuming Fan reg2, ((*val >> 8) & 0xff)); 1427d2a5f9aSShuming Fan if (ret < 0) 1437d2a5f9aSShuming Fan return ret; 1447d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, (*val & 0xff)); 1457d2a5f9aSShuming Fan if (ret < 0) 1467d2a5f9aSShuming Fan return ret; 1477d2a5f9aSShuming Fan } else if (mask == 0x9000) { 1487d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 1497d2a5f9aSShuming Fan reg, ((*val >> 8) & 0xff)); 1507d2a5f9aSShuming Fan if (ret < 0) 1517d2a5f9aSShuming Fan return ret; 1527d2a5f9aSShuming Fan reg2 = reg + 0x1000; 1537d2a5f9aSShuming Fan reg2 |= 0x80; 1547d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg2, (*val & 0xff)); 1557d2a5f9aSShuming Fan if (ret < 0) 1567d2a5f9aSShuming Fan return ret; 1577d2a5f9aSShuming Fan } else if (mask == 0xb000) { 1587d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, *val); 1597d2a5f9aSShuming Fan if (ret < 0) 1607d2a5f9aSShuming Fan return ret; 1617d2a5f9aSShuming Fan } else { 1627d2a5f9aSShuming Fan ret = regmap_read(rt700->sdw_regmap, reg, val); 1637d2a5f9aSShuming Fan if (ret < 0) 1647d2a5f9aSShuming Fan return ret; 1657d2a5f9aSShuming Fan is_hda_reg = 0; 1667d2a5f9aSShuming Fan } 1677d2a5f9aSShuming Fan 1687d2a5f9aSShuming Fan if (is_hda_reg || is_index_reg) { 1697d2a5f9aSShuming Fan sdw_data_3 = 0; 1707d2a5f9aSShuming Fan sdw_data_2 = 0; 1717d2a5f9aSShuming Fan sdw_data_1 = 0; 1727d2a5f9aSShuming Fan sdw_data_0 = 0; 1737d2a5f9aSShuming Fan ret = regmap_read(rt700->sdw_regmap, 1747d2a5f9aSShuming Fan RT700_READ_HDA_3, &sdw_data_3); 1757d2a5f9aSShuming Fan if (ret < 0) 1767d2a5f9aSShuming Fan return ret; 1777d2a5f9aSShuming Fan ret = regmap_read(rt700->sdw_regmap, 1787d2a5f9aSShuming Fan RT700_READ_HDA_2, &sdw_data_2); 1797d2a5f9aSShuming Fan if (ret < 0) 1807d2a5f9aSShuming Fan return ret; 1817d2a5f9aSShuming Fan ret = regmap_read(rt700->sdw_regmap, 1827d2a5f9aSShuming Fan RT700_READ_HDA_1, &sdw_data_1); 1837d2a5f9aSShuming Fan if (ret < 0) 1847d2a5f9aSShuming Fan return ret; 1857d2a5f9aSShuming Fan ret = regmap_read(rt700->sdw_regmap, 1867d2a5f9aSShuming Fan RT700_READ_HDA_0, &sdw_data_0); 1877d2a5f9aSShuming Fan if (ret < 0) 1887d2a5f9aSShuming Fan return ret; 1897d2a5f9aSShuming Fan *val = ((sdw_data_3 & 0xff) << 24) | 1907d2a5f9aSShuming Fan ((sdw_data_2 & 0xff) << 16) | 1917d2a5f9aSShuming Fan ((sdw_data_1 & 0xff) << 8) | (sdw_data_0 & 0xff); 1927d2a5f9aSShuming Fan } 1937d2a5f9aSShuming Fan 1947d2a5f9aSShuming Fan if (is_hda_reg == 0) 1957d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x => %08x\n", __func__, reg, *val); 1967d2a5f9aSShuming Fan else if (is_index_reg) 1977d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x %04x %04x %04x => %08x\n", 1987d2a5f9aSShuming Fan __func__, reg, reg2, reg3, reg4, *val); 1997d2a5f9aSShuming Fan else 2007d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x %04x => %08x\n", 2017d2a5f9aSShuming Fan __func__, reg, reg2, *val); 2027d2a5f9aSShuming Fan 2037d2a5f9aSShuming Fan return 0; 2047d2a5f9aSShuming Fan } 2057d2a5f9aSShuming Fan 2067d2a5f9aSShuming Fan static int rt700_sdw_write(void *context, unsigned int reg, unsigned int val) 2077d2a5f9aSShuming Fan { 2087d2a5f9aSShuming Fan struct device *dev = context; 2097d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(dev); 2107d2a5f9aSShuming Fan unsigned int reg2 = 0, reg3, reg4, nid, mask, val2; 2117d2a5f9aSShuming Fan unsigned int is_index_reg = 0; 2127d2a5f9aSShuming Fan int ret; 2137d2a5f9aSShuming Fan 2147d2a5f9aSShuming Fan if (reg > 0xffff) 2157d2a5f9aSShuming Fan is_index_reg = 1; 2167d2a5f9aSShuming Fan 2177d2a5f9aSShuming Fan mask = reg & 0xf000; 2187d2a5f9aSShuming Fan 2197d2a5f9aSShuming Fan if (is_index_reg) { /* index registers */ 2207d2a5f9aSShuming Fan val2 = reg & 0xff; 2217d2a5f9aSShuming Fan reg = reg >> 8; 2227d2a5f9aSShuming Fan nid = reg & 0xff; 2237d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, 0); 2247d2a5f9aSShuming Fan if (ret < 0) 2257d2a5f9aSShuming Fan return ret; 2267d2a5f9aSShuming Fan reg2 = reg + 0x1000; 2277d2a5f9aSShuming Fan reg2 |= 0x80; 2287d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg2, val2); 2297d2a5f9aSShuming Fan if (ret < 0) 2307d2a5f9aSShuming Fan return ret; 2317d2a5f9aSShuming Fan 2327d2a5f9aSShuming Fan reg3 = RT700_PRIV_DATA_W_H | nid; 2337d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 2347d2a5f9aSShuming Fan reg3, ((val >> 8) & 0xff)); 2357d2a5f9aSShuming Fan if (ret < 0) 2367d2a5f9aSShuming Fan return ret; 2377d2a5f9aSShuming Fan reg4 = reg3 + 0x1000; 2387d2a5f9aSShuming Fan reg4 |= 0x80; 2397d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg4, (val & 0xff)); 2407d2a5f9aSShuming Fan if (ret < 0) 2417d2a5f9aSShuming Fan return ret; 2427d2a5f9aSShuming Fan is_index_reg = 1; 2437d2a5f9aSShuming Fan } else if (reg < 0x4fff) { 2447d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, val); 2457d2a5f9aSShuming Fan if (ret < 0) 2467d2a5f9aSShuming Fan return ret; 2477d2a5f9aSShuming Fan } else if (reg == 0xff01) { 2487d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, val); 2497d2a5f9aSShuming Fan if (ret < 0) 2507d2a5f9aSShuming Fan return ret; 2517d2a5f9aSShuming Fan } else if (mask == 0x7000) { 2527d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 2537d2a5f9aSShuming Fan reg, ((val >> 8) & 0xff)); 2547d2a5f9aSShuming Fan if (ret < 0) 2557d2a5f9aSShuming Fan return ret; 2567d2a5f9aSShuming Fan reg2 = reg + 0x1000; 2577d2a5f9aSShuming Fan reg2 |= 0x80; 2587d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg2, (val & 0xff)); 2597d2a5f9aSShuming Fan if (ret < 0) 2607d2a5f9aSShuming Fan return ret; 2617d2a5f9aSShuming Fan } else if ((reg & 0xff00) == 0x8300) { /* for R channel */ 2627d2a5f9aSShuming Fan reg2 = reg - 0x1000; 2637d2a5f9aSShuming Fan reg2 &= ~0x80; 2647d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, 2657d2a5f9aSShuming Fan reg2, ((val >> 8) & 0xff)); 2667d2a5f9aSShuming Fan if (ret < 0) 2677d2a5f9aSShuming Fan return ret; 2687d2a5f9aSShuming Fan ret = regmap_write(rt700->sdw_regmap, reg, (val & 0xff)); 2697d2a5f9aSShuming Fan if (ret < 0) 2707d2a5f9aSShuming Fan return ret; 2717d2a5f9aSShuming Fan } 2727d2a5f9aSShuming Fan 2737d2a5f9aSShuming Fan if (reg2 == 0) 2747d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val); 2757d2a5f9aSShuming Fan else if (is_index_reg) 2767d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x %04x %04x %04x <= %04x %04x\n", 2777d2a5f9aSShuming Fan __func__, reg, reg2, reg3, reg4, val2, val); 2787d2a5f9aSShuming Fan else 2797d2a5f9aSShuming Fan dev_dbg(dev, "[%s] %04x %04x <= %04x\n", 2807d2a5f9aSShuming Fan __func__, reg, reg2, val); 2817d2a5f9aSShuming Fan 2827d2a5f9aSShuming Fan return 0; 2837d2a5f9aSShuming Fan } 2847d2a5f9aSShuming Fan 2857d2a5f9aSShuming Fan static const struct regmap_config rt700_regmap = { 2867d2a5f9aSShuming Fan .reg_bits = 24, 2877d2a5f9aSShuming Fan .val_bits = 32, 2887d2a5f9aSShuming Fan .readable_reg = rt700_readable_register, 2897d2a5f9aSShuming Fan .volatile_reg = rt700_volatile_register, 2907d2a5f9aSShuming Fan .max_register = 0x755800, 2917d2a5f9aSShuming Fan .reg_defaults = rt700_reg_defaults, 2927d2a5f9aSShuming Fan .num_reg_defaults = ARRAY_SIZE(rt700_reg_defaults), 2937d2a5f9aSShuming Fan .cache_type = REGCACHE_RBTREE, 2947d2a5f9aSShuming Fan .use_single_read = true, 2957d2a5f9aSShuming Fan .use_single_write = true, 2967d2a5f9aSShuming Fan .reg_read = rt700_sdw_read, 2977d2a5f9aSShuming Fan .reg_write = rt700_sdw_write, 2987d2a5f9aSShuming Fan }; 2997d2a5f9aSShuming Fan 3007d2a5f9aSShuming Fan static const struct regmap_config rt700_sdw_regmap = { 3017d2a5f9aSShuming Fan .name = "sdw", 3027d2a5f9aSShuming Fan .reg_bits = 32, 3037d2a5f9aSShuming Fan .val_bits = 8, 3047d2a5f9aSShuming Fan .readable_reg = rt700_readable_register, 3057d2a5f9aSShuming Fan .max_register = 0xff01, 3067d2a5f9aSShuming Fan .cache_type = REGCACHE_NONE, 3077d2a5f9aSShuming Fan .use_single_read = true, 3087d2a5f9aSShuming Fan .use_single_write = true, 3097d2a5f9aSShuming Fan }; 3107d2a5f9aSShuming Fan 3117d2a5f9aSShuming Fan static int rt700_update_status(struct sdw_slave *slave, 3127d2a5f9aSShuming Fan enum sdw_slave_status status) 3137d2a5f9aSShuming Fan { 3147d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev); 3157d2a5f9aSShuming Fan 3167d2a5f9aSShuming Fan /* Update the status */ 3177d2a5f9aSShuming Fan rt700->status = status; 3187d2a5f9aSShuming Fan 3197d2a5f9aSShuming Fan if (status == SDW_SLAVE_UNATTACHED) 3207d2a5f9aSShuming Fan rt700->hw_init = false; 3217d2a5f9aSShuming Fan 3227d2a5f9aSShuming Fan /* 3237d2a5f9aSShuming Fan * Perform initialization only if slave status is present and 3247d2a5f9aSShuming Fan * hw_init flag is false 3257d2a5f9aSShuming Fan */ 3267d2a5f9aSShuming Fan if (rt700->hw_init || rt700->status != SDW_SLAVE_ATTACHED) 3277d2a5f9aSShuming Fan return 0; 3287d2a5f9aSShuming Fan 3297d2a5f9aSShuming Fan /* perform I/O transfers required for Slave initialization */ 3307d2a5f9aSShuming Fan return rt700_io_init(&slave->dev, slave); 3317d2a5f9aSShuming Fan } 3327d2a5f9aSShuming Fan 3337d2a5f9aSShuming Fan static int rt700_read_prop(struct sdw_slave *slave) 3347d2a5f9aSShuming Fan { 3357d2a5f9aSShuming Fan struct sdw_slave_prop *prop = &slave->prop; 3367d2a5f9aSShuming Fan int nval, i, num_of_ports = 1; 3377d2a5f9aSShuming Fan u32 bit; 3387d2a5f9aSShuming Fan unsigned long addr; 3397d2a5f9aSShuming Fan struct sdw_dpn_prop *dpn; 3407d2a5f9aSShuming Fan 3417d2a5f9aSShuming Fan prop->paging_support = false; 3427d2a5f9aSShuming Fan 3437d2a5f9aSShuming Fan /* first we need to allocate memory for set bits in port lists */ 3447d2a5f9aSShuming Fan prop->source_ports = 0x14; /* BITMAP: 00010100 */ 3457d2a5f9aSShuming Fan prop->sink_ports = 0xA; /* BITMAP: 00001010 */ 3467d2a5f9aSShuming Fan 3477d2a5f9aSShuming Fan nval = hweight32(prop->source_ports); 3487d2a5f9aSShuming Fan num_of_ports += nval; 3497d2a5f9aSShuming Fan prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, 3507d2a5f9aSShuming Fan sizeof(*prop->src_dpn_prop), 3517d2a5f9aSShuming Fan GFP_KERNEL); 3527d2a5f9aSShuming Fan if (!prop->src_dpn_prop) 3537d2a5f9aSShuming Fan return -ENOMEM; 3547d2a5f9aSShuming Fan 3557d2a5f9aSShuming Fan i = 0; 3567d2a5f9aSShuming Fan dpn = prop->src_dpn_prop; 3577d2a5f9aSShuming Fan addr = prop->source_ports; 3587d2a5f9aSShuming Fan for_each_set_bit(bit, &addr, 32) { 3597d2a5f9aSShuming Fan dpn[i].num = bit; 3607d2a5f9aSShuming Fan dpn[i].type = SDW_DPN_FULL; 3617d2a5f9aSShuming Fan dpn[i].simple_ch_prep_sm = true; 3627d2a5f9aSShuming Fan dpn[i].ch_prep_timeout = 10; 3637d2a5f9aSShuming Fan i++; 3647d2a5f9aSShuming Fan } 3657d2a5f9aSShuming Fan 3667d2a5f9aSShuming Fan /* do this again for sink now */ 3677d2a5f9aSShuming Fan nval = hweight32(prop->sink_ports); 3687d2a5f9aSShuming Fan num_of_ports += nval; 3697d2a5f9aSShuming Fan prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, 3707d2a5f9aSShuming Fan sizeof(*prop->sink_dpn_prop), 3717d2a5f9aSShuming Fan GFP_KERNEL); 3727d2a5f9aSShuming Fan if (!prop->sink_dpn_prop) 3737d2a5f9aSShuming Fan return -ENOMEM; 3747d2a5f9aSShuming Fan 3757d2a5f9aSShuming Fan i = 0; 3767d2a5f9aSShuming Fan dpn = prop->sink_dpn_prop; 3777d2a5f9aSShuming Fan addr = prop->sink_ports; 3787d2a5f9aSShuming Fan for_each_set_bit(bit, &addr, 32) { 3797d2a5f9aSShuming Fan dpn[i].num = bit; 3807d2a5f9aSShuming Fan dpn[i].type = SDW_DPN_FULL; 3817d2a5f9aSShuming Fan dpn[i].simple_ch_prep_sm = true; 3827d2a5f9aSShuming Fan dpn[i].ch_prep_timeout = 10; 3837d2a5f9aSShuming Fan i++; 3847d2a5f9aSShuming Fan } 3857d2a5f9aSShuming Fan 3867d2a5f9aSShuming Fan /* Allocate port_ready based on num_of_ports */ 3877d2a5f9aSShuming Fan slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports, 3887d2a5f9aSShuming Fan sizeof(*slave->port_ready), 3897d2a5f9aSShuming Fan GFP_KERNEL); 3907d2a5f9aSShuming Fan if (!slave->port_ready) 3917d2a5f9aSShuming Fan return -ENOMEM; 3927d2a5f9aSShuming Fan 3937d2a5f9aSShuming Fan /* Initialize completion */ 3947d2a5f9aSShuming Fan for (i = 0; i < num_of_ports; i++) 3957d2a5f9aSShuming Fan init_completion(&slave->port_ready[i]); 3967d2a5f9aSShuming Fan 3977d2a5f9aSShuming Fan /* set the timeout values */ 3987d2a5f9aSShuming Fan prop->clk_stop_timeout = 20; 3997d2a5f9aSShuming Fan 4007d2a5f9aSShuming Fan /* wake-up event */ 4017d2a5f9aSShuming Fan prop->wake_capable = 1; 4027d2a5f9aSShuming Fan 4037d2a5f9aSShuming Fan return 0; 4047d2a5f9aSShuming Fan } 4057d2a5f9aSShuming Fan 4067d2a5f9aSShuming Fan static int rt700_bus_config(struct sdw_slave *slave, 4077d2a5f9aSShuming Fan struct sdw_bus_params *params) 4087d2a5f9aSShuming Fan { 4097d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev); 4107d2a5f9aSShuming Fan int ret; 4117d2a5f9aSShuming Fan 4127d2a5f9aSShuming Fan memcpy(&rt700->params, params, sizeof(*params)); 4137d2a5f9aSShuming Fan 4147d2a5f9aSShuming Fan ret = rt700_clock_config(&slave->dev); 4157d2a5f9aSShuming Fan if (ret < 0) 4167d2a5f9aSShuming Fan dev_err(&slave->dev, "Invalid clk config"); 4177d2a5f9aSShuming Fan 4187d2a5f9aSShuming Fan return ret; 4197d2a5f9aSShuming Fan } 4207d2a5f9aSShuming Fan 4217d2a5f9aSShuming Fan static int rt700_interrupt_callback(struct sdw_slave *slave, 4227d2a5f9aSShuming Fan struct sdw_slave_intr_status *status) 4237d2a5f9aSShuming Fan { 4247d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev); 4257d2a5f9aSShuming Fan 4267d2a5f9aSShuming Fan dev_dbg(&slave->dev, 4277d2a5f9aSShuming Fan "%s control_port_stat=%x", __func__, status->control_port); 4287d2a5f9aSShuming Fan 4297d2a5f9aSShuming Fan if (status->control_port & 0x4) { 4307d2a5f9aSShuming Fan mod_delayed_work(system_power_efficient_wq, 4317d2a5f9aSShuming Fan &rt700->jack_detect_work, msecs_to_jiffies(250)); 4327d2a5f9aSShuming Fan } 4337d2a5f9aSShuming Fan 4347d2a5f9aSShuming Fan return 0; 4357d2a5f9aSShuming Fan } 4367d2a5f9aSShuming Fan 4377d2a5f9aSShuming Fan /* 4387d2a5f9aSShuming Fan * slave_ops: callbacks for get_clock_stop_mode, clock_stop and 4397d2a5f9aSShuming Fan * port_prep are not defined for now 4407d2a5f9aSShuming Fan */ 4417d2a5f9aSShuming Fan static struct sdw_slave_ops rt700_slave_ops = { 4427d2a5f9aSShuming Fan .read_prop = rt700_read_prop, 4437d2a5f9aSShuming Fan .interrupt_callback = rt700_interrupt_callback, 4447d2a5f9aSShuming Fan .update_status = rt700_update_status, 4457d2a5f9aSShuming Fan .bus_config = rt700_bus_config, 4467d2a5f9aSShuming Fan }; 4477d2a5f9aSShuming Fan 4487d2a5f9aSShuming Fan static int rt700_sdw_probe(struct sdw_slave *slave, 4497d2a5f9aSShuming Fan const struct sdw_device_id *id) 4507d2a5f9aSShuming Fan { 4517d2a5f9aSShuming Fan struct regmap *sdw_regmap, *regmap; 4527d2a5f9aSShuming Fan 4537d2a5f9aSShuming Fan /* Regmap Initialization */ 4547d2a5f9aSShuming Fan sdw_regmap = devm_regmap_init_sdw(slave, &rt700_sdw_regmap); 455db1a4250SVinod Koul if (IS_ERR(sdw_regmap)) 456db1a4250SVinod Koul return PTR_ERR(sdw_regmap); 4577d2a5f9aSShuming Fan 4587d2a5f9aSShuming Fan regmap = devm_regmap_init(&slave->dev, NULL, 4597d2a5f9aSShuming Fan &slave->dev, &rt700_regmap); 46020435df1SWei Yongjun if (IS_ERR(regmap)) 46120435df1SWei Yongjun return PTR_ERR(regmap); 4627d2a5f9aSShuming Fan 4637d2a5f9aSShuming Fan rt700_init(&slave->dev, sdw_regmap, regmap, slave); 4647d2a5f9aSShuming Fan 4657d2a5f9aSShuming Fan return 0; 4667d2a5f9aSShuming Fan } 4677d2a5f9aSShuming Fan 4687d2a5f9aSShuming Fan static int rt700_sdw_remove(struct sdw_slave *slave) 4697d2a5f9aSShuming Fan { 4707d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(&slave->dev); 4717d2a5f9aSShuming Fan 4727d2a5f9aSShuming Fan if (rt700 && rt700->hw_init) { 4737d2a5f9aSShuming Fan cancel_delayed_work(&rt700->jack_detect_work); 4747d2a5f9aSShuming Fan cancel_delayed_work(&rt700->jack_btn_check_work); 4757d2a5f9aSShuming Fan } 4767d2a5f9aSShuming Fan 4777d2a5f9aSShuming Fan return 0; 4787d2a5f9aSShuming Fan } 4797d2a5f9aSShuming Fan 4807d2a5f9aSShuming Fan static const struct sdw_device_id rt700_id[] = { 4817d2a5f9aSShuming Fan SDW_SLAVE_ENTRY(0x025d, 0x700, 0), 4827d2a5f9aSShuming Fan {}, 4837d2a5f9aSShuming Fan }; 4847d2a5f9aSShuming Fan MODULE_DEVICE_TABLE(sdw, rt700_id); 4857d2a5f9aSShuming Fan 486809a9b63STakashi Iwai static int __maybe_unused rt700_dev_suspend(struct device *dev) 4877d2a5f9aSShuming Fan { 4887d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(dev); 4897d2a5f9aSShuming Fan 4907d2a5f9aSShuming Fan if (!rt700->hw_init) 4917d2a5f9aSShuming Fan return 0; 4927d2a5f9aSShuming Fan 4937d2a5f9aSShuming Fan regcache_cache_only(rt700->regmap, true); 4947d2a5f9aSShuming Fan 4957d2a5f9aSShuming Fan return 0; 4967d2a5f9aSShuming Fan } 4977d2a5f9aSShuming Fan 4987d2a5f9aSShuming Fan #define RT700_PROBE_TIMEOUT 2000 4997d2a5f9aSShuming Fan 500809a9b63STakashi Iwai static int __maybe_unused rt700_dev_resume(struct device *dev) 5017d2a5f9aSShuming Fan { 5027d2a5f9aSShuming Fan struct sdw_slave *slave = dev_to_sdw_dev(dev); 5037d2a5f9aSShuming Fan struct rt700_priv *rt700 = dev_get_drvdata(dev); 5047d2a5f9aSShuming Fan unsigned long time; 5057d2a5f9aSShuming Fan 5067d2a5f9aSShuming Fan if (!rt700->hw_init) 5077d2a5f9aSShuming Fan return 0; 5087d2a5f9aSShuming Fan 5097d2a5f9aSShuming Fan if (!slave->unattach_request) 5107d2a5f9aSShuming Fan goto regmap_sync; 5117d2a5f9aSShuming Fan 5127d2a5f9aSShuming Fan time = wait_for_completion_timeout(&slave->initialization_complete, 5137d2a5f9aSShuming Fan msecs_to_jiffies(RT700_PROBE_TIMEOUT)); 5147d2a5f9aSShuming Fan if (!time) { 5157d2a5f9aSShuming Fan dev_err(&slave->dev, "Initialization not complete, timed out\n"); 5167d2a5f9aSShuming Fan return -ETIMEDOUT; 5177d2a5f9aSShuming Fan } 5187d2a5f9aSShuming Fan 5197d2a5f9aSShuming Fan regmap_sync: 5207d2a5f9aSShuming Fan slave->unattach_request = 0; 5217d2a5f9aSShuming Fan regcache_cache_only(rt700->regmap, false); 5227d2a5f9aSShuming Fan regcache_sync_region(rt700->regmap, 0x3000, 0x8fff); 5237d2a5f9aSShuming Fan regcache_sync_region(rt700->regmap, 0x752010, 0x75206b); 5247d2a5f9aSShuming Fan 5257d2a5f9aSShuming Fan return 0; 5267d2a5f9aSShuming Fan } 5277d2a5f9aSShuming Fan 5287d2a5f9aSShuming Fan static const struct dev_pm_ops rt700_pm = { 5297d2a5f9aSShuming Fan SET_SYSTEM_SLEEP_PM_OPS(rt700_dev_suspend, rt700_dev_resume) 5307d2a5f9aSShuming Fan SET_RUNTIME_PM_OPS(rt700_dev_suspend, rt700_dev_resume, NULL) 5317d2a5f9aSShuming Fan }; 5327d2a5f9aSShuming Fan 5337d2a5f9aSShuming Fan static struct sdw_driver rt700_sdw_driver = { 5347d2a5f9aSShuming Fan .driver = { 5357d2a5f9aSShuming Fan .name = "rt700", 5367d2a5f9aSShuming Fan .owner = THIS_MODULE, 5377d2a5f9aSShuming Fan .pm = &rt700_pm, 5387d2a5f9aSShuming Fan }, 5397d2a5f9aSShuming Fan .probe = rt700_sdw_probe, 5407d2a5f9aSShuming Fan .remove = rt700_sdw_remove, 5417d2a5f9aSShuming Fan .ops = &rt700_slave_ops, 5427d2a5f9aSShuming Fan .id_table = rt700_id, 5437d2a5f9aSShuming Fan }; 5447d2a5f9aSShuming Fan module_sdw_driver(rt700_sdw_driver); 5457d2a5f9aSShuming Fan 5467d2a5f9aSShuming Fan MODULE_DESCRIPTION("ASoC RT700 driver SDW"); 5477d2a5f9aSShuming Fan MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>"); 5487d2a5f9aSShuming Fan MODULE_LICENSE("GPL v2"); 549