From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/codecs/rt715-sdca-sdw.c | 285 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 285 insertions(+) create mode 100644 sound/soc/codecs/rt715-sdca-sdw.c (limited to 'sound/soc/codecs/rt715-sdca-sdw.c') diff --git a/sound/soc/codecs/rt715-sdca-sdw.c b/sound/soc/codecs/rt715-sdca-sdw.c new file mode 100644 index 0000000000..ab54a67a27 --- /dev/null +++ b/sound/soc/codecs/rt715-sdca-sdw.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// rt715-sdca-sdw.c -- rt715 ALSA SoC audio driver +// +// Copyright(c) 2020 Realtek Semiconductor Corp. +// +// + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "rt715-sdca.h" +#include "rt715-sdca-sdw.h" + +static bool rt715_sdca_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x201a ... 0x2027: + case 0x2029 ... 0x202a: + case 0x202d ... 0x2034: + case 0x2200 ... 0x2204: + case 0x2206 ... 0x2212: + case 0x2230 ... 0x2239: + case 0x2f5b: + case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, + RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): + return true; + default: + return false; + } +} + +static bool rt715_sdca_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x201b: + case 0x201c: + case 0x201d: + case 0x201f: + case 0x2021: + case 0x2023: + case 0x2230: + case 0x202d ... 0x202f: /* BRA */ + case 0x2200 ... 0x2212: /* i2c debug */ + case 0x2f07: + case 0x2f1b ... 0x2f1e: + case 0x2f30 ... 0x2f34: + case 0x2f50 ... 0x2f51: + case 0x2f53 ... 0x2f59: + case 0x2f5c ... 0x2f5f: + case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, + RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): /* VAD Searching status */ + return true; + default: + return false; + } +} + +static bool rt715_sdca_mbq_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2000000: + case 0x200002b: + case 0x2000036: + case 0x2000037: + case 0x2000039: + case 0x2000044: + case 0x6100000: + return true; + default: + return false; + } +} + +static bool rt715_sdca_mbq_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2000000: + return true; + default: + return false; + } +} + +static const struct regmap_config rt715_sdca_regmap = { + .reg_bits = 32, + .val_bits = 8, + .readable_reg = rt715_sdca_readable_register, + .volatile_reg = rt715_sdca_volatile_register, + .max_register = 0x43ffffff, + .reg_defaults = rt715_reg_defaults_sdca, + .num_reg_defaults = ARRAY_SIZE(rt715_reg_defaults_sdca), + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static const struct regmap_config rt715_sdca_mbq_regmap = { + .name = "sdw-mbq", + .reg_bits = 32, + .val_bits = 16, + .readable_reg = rt715_sdca_mbq_readable_register, + .volatile_reg = rt715_sdca_mbq_volatile_register, + .max_register = 0x43ffffff, + .reg_defaults = rt715_mbq_reg_defaults_sdca, + .num_reg_defaults = ARRAY_SIZE(rt715_mbq_reg_defaults_sdca), + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static int rt715_sdca_update_status(struct sdw_slave *slave, + enum sdw_slave_status status) +{ + struct rt715_sdca_priv *rt715 = dev_get_drvdata(&slave->dev); + + /* + * Perform initialization only if slave status is present and + * hw_init flag is false + */ + if (rt715->hw_init || status != SDW_SLAVE_ATTACHED) + return 0; + + /* perform I/O transfers required for Slave initialization */ + return rt715_sdca_io_init(&slave->dev, slave); +} + +static int rt715_sdca_read_prop(struct sdw_slave *slave) +{ + struct sdw_slave_prop *prop = &slave->prop; + int nval, i; + u32 bit; + unsigned long addr; + struct sdw_dpn_prop *dpn; + + prop->paging_support = true; + + /* first we need to allocate memory for set bits in port lists */ + prop->source_ports = 0x50;/* BITMAP: 01010000 */ + prop->sink_ports = 0x0; /* BITMAP: 00000000 */ + + nval = hweight32(prop->source_ports); + prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval, + sizeof(*prop->src_dpn_prop), + GFP_KERNEL); + if (!prop->src_dpn_prop) + return -ENOMEM; + + dpn = prop->src_dpn_prop; + i = 0; + addr = prop->source_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[i].num = bit; + dpn[i].simple_ch_prep_sm = true; + dpn[i].ch_prep_timeout = 10; + i++; + } + + /* set the timeout values */ + prop->clk_stop_timeout = 200; + + return 0; +} + +static const struct sdw_slave_ops rt715_sdca_slave_ops = { + .read_prop = rt715_sdca_read_prop, + .update_status = rt715_sdca_update_status, +}; + +static int rt715_sdca_sdw_probe(struct sdw_slave *slave, + const struct sdw_device_id *id) +{ + struct regmap *mbq_regmap, *regmap; + + /* Regmap Initialization */ + mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt715_sdca_mbq_regmap); + if (IS_ERR(mbq_regmap)) + return PTR_ERR(mbq_regmap); + + regmap = devm_regmap_init_sdw(slave, &rt715_sdca_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return rt715_sdca_init(&slave->dev, mbq_regmap, regmap, slave); +} + +static int rt715_sdca_sdw_remove(struct sdw_slave *slave) +{ + pm_runtime_disable(&slave->dev); + + return 0; +} + +static const struct sdw_device_id rt715_sdca_id[] = { + SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3, 0x1, 0), + SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3, 0x1, 0), + {}, +}; +MODULE_DEVICE_TABLE(sdw, rt715_sdca_id); + +static int __maybe_unused rt715_dev_suspend(struct device *dev) +{ + struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev); + + if (!rt715->hw_init) + return 0; + + regcache_cache_only(rt715->regmap, true); + regcache_mark_dirty(rt715->regmap); + regcache_cache_only(rt715->mbq_regmap, true); + regcache_mark_dirty(rt715->mbq_regmap); + + return 0; +} + +#define RT715_PROBE_TIMEOUT 5000 + +static int __maybe_unused rt715_dev_resume(struct device *dev) +{ + struct sdw_slave *slave = dev_to_sdw_dev(dev); + struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev); + unsigned long time; + + if (!rt715->first_hw_init) + return 0; + + if (!slave->unattach_request) + goto regmap_sync; + + time = wait_for_completion_timeout(&slave->enumeration_complete, + msecs_to_jiffies(RT715_PROBE_TIMEOUT)); + if (!time) { + dev_err(&slave->dev, "Enumeration not complete, timed out\n"); + sdw_show_ping_status(slave->bus, true); + + return -ETIMEDOUT; + } + +regmap_sync: + slave->unattach_request = 0; + regcache_cache_only(rt715->regmap, false); + regcache_sync_region(rt715->regmap, + SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL, + CH_00), + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, + RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00)); + regcache_cache_only(rt715->mbq_regmap, false); + regcache_sync_region(rt715->mbq_regmap, 0x2000000, 0x61020ff); + regcache_sync_region(rt715->mbq_regmap, + SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL, + CH_00), + SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN, + RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00)); + + return 0; +} + +static const struct dev_pm_ops rt715_pm = { + SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_suspend, rt715_dev_resume) + SET_RUNTIME_PM_OPS(rt715_dev_suspend, rt715_dev_resume, NULL) +}; + +static struct sdw_driver rt715_sdw_driver = { + .driver = { + .name = "rt715-sdca", + .owner = THIS_MODULE, + .pm = &rt715_pm, + }, + .probe = rt715_sdca_sdw_probe, + .remove = rt715_sdca_sdw_remove, + .ops = &rt715_sdca_slave_ops, + .id_table = rt715_sdca_id, +}; +module_sdw_driver(rt715_sdw_driver); + +MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA"); +MODULE_AUTHOR("Jack Yu "); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3