From: Derek Fang derek.fang@realtek.com

This is the initial amplifier driver for rt1017 SDCA version.

Signed-off-by: Derek Fang derek.fang@realtek.com --- sound/soc/codecs/Kconfig | 6 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/rt1017-sdca-sdw.c | 824 +++++++++++++++++++++++++++++ sound/soc/codecs/rt1017-sdca-sdw.h | 188 +++++++ 4 files changed, 1020 insertions(+) create mode 100644 sound/soc/codecs/rt1017-sdca-sdw.c create mode 100644 sound/soc/codecs/rt1017-sdca-sdw.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 88c3dbe47..8aba442d1 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -184,6 +184,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_RT1015 imply SND_SOC_RT1015P imply SND_SOC_RT1016 + imply SND_SOC_RT1017_SDCA_SDW imply SND_SOC_RT1019 imply SND_SOC_RT1305 imply SND_SOC_RT1308 @@ -1428,6 +1429,11 @@ config SND_SOC_RT1016 tristate depends on I2C

+config SND_SOC_RT1017_SDCA_SDW + tristate "Realtek RT1017 SDCA Codec - SDW" + depends on SOUNDWIRE + select REGMAP_SOUNDWIRE + config SND_SOC_RT1019 tristate depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 32dcc6de5..be367839c 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -205,6 +205,7 @@ snd-soc-rt1011-objs := rt1011.o snd-soc-rt1015-objs := rt1015.o snd-soc-rt1015p-objs := rt1015p.o snd-soc-rt1016-objs := rt1016.o +snd-soc-rt1017-sdca-objs := rt1017-sdca-sdw.o snd-soc-rt1019-objs := rt1019.o snd-soc-rt1305-objs := rt1305.o snd-soc-rt1308-objs := rt1308.o @@ -583,6 +584,7 @@ obj-$(CONFIG_SND_SOC_RT1011) += snd-soc-rt1011.o obj-$(CONFIG_SND_SOC_RT1015) += snd-soc-rt1015.o obj-$(CONFIG_SND_SOC_RT1015P) += snd-soc-rt1015p.o obj-$(CONFIG_SND_SOC_RT1016) += snd-soc-rt1016.o +obj-$(CONFIG_SND_SOC_RT1017_SDCA_SDW) += snd-soc-rt1017-sdca.o obj-$(CONFIG_SND_SOC_RT1019) += snd-soc-rt1019.o obj-$(CONFIG_SND_SOC_RT1305) += snd-soc-rt1305.o obj-$(CONFIG_SND_SOC_RT1308) += snd-soc-rt1308.o diff --git a/sound/soc/codecs/rt1017-sdca-sdw.c b/sound/soc/codecs/rt1017-sdca-sdw.c new file mode 100644 index 000000000..7295f44c7 --- /dev/null +++ b/sound/soc/codecs/rt1017-sdca-sdw.c @@ -0,0 +1,824 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// rt1017-sdca-sdw.c -- rt1017 SDCA ALSA SoC amplifier audio driver +// +// Copyright(c) 2023 Realtek Semiconductor Corp. +// +// +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/pm_runtime.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> + +#include "rt1017-sdca-sdw.h" + +static bool rt1017_sdca_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2f55: + case 0x3206: + case 0xc000: + case 0xc001: + case 0xc022: + case 0xc030: + case 0xc104: + case 0xc10b: + case 0xc10c: + case 0xc110: + case 0xc112: + case 0xc300: + case 0xc301: + case 0xc318: + case 0xc325 ... 0xc328: + case 0xc331: + case 0xc340: + case 0xc350 ... 0xc351: + case 0xc500: + case 0xc502: + case 0xc504: + case 0xc507: + case 0xc509: + case 0xc510: + case 0xc512: + case 0xc518: + case 0xc51b: + case 0xc51d: + case 0xc520: + case 0xc540 ... 0xc542: + case 0xc550 ... 0xc552: + case 0xc600: + case 0xc602: + case 0xc612: + case 0xc622: + case 0xc632: + case 0xc642: + case 0xc651: + case 0xca00: + case 0xca09 ... 0xca0c: + case 0xca0e ... 0xca0f: + case 0xca10 ... 0xca11: + case 0xca16 ... 0xca17: + case 0xcb00: + case 0xcc00: + case 0xcc02: + case 0xd017: + case 0xd01a ... 0xd01c: + case 0xd101: + case 0xd20c: + case 0xd300: + case 0xd370: + case 0xd500: + case 0xd545 ... 0xd548: + case 0xd5a5 ... 0xd5a8: + case 0xd5aa ... 0xd5ad: + case 0xda04 ... 0xda07: + case 0xda09 ... 0xda0a: + case 0xda0c ... 0xda0f: + case 0xda11 ... 0xda14: + case 0xda16 ... 0xda19: + case 0xdab6 ... 0xdabb: + case 0xdb09 ... 0xdb0a: + case 0xdb14: + + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21, + RT1017_SDCA_CTL_UDMPU_CLUSTER, 0): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, + RT1017_SDCA_CTL_FU_MUTE, 0x01): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_XU22, + RT1017_SDCA_CTL_BYPASS, 0): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29, + RT1017_SDCA_CTL_PROT_STAT, 0): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21, + RT1017_SDCA_CTL_FS_INDEX, 0): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0): + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE22, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0): + return true; + default: + return false; + } +} + +static bool rt1017_sdca_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x2f55: + case 0xc000: + case 0xc022: + case 0xc351: + case 0xc518: + case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29, + RT1017_SDCA_CTL_PROT_STAT, 0): + return true; + default: + return false; + } +} + +static const struct reg_sequence rt1017_blind_write[] = { + { 0xc001, 0x43 }, + { 0x2f55, 0x02 }, + { 0x3206, 0x80 }, + { 0x005f, 0x7f }, + { 0xd101, 0xa0 }, + { 0xc112, 0xc0 }, + { 0xc104, 0xaa }, + { 0xc110, 0x59 }, + { 0xc112, 0xc0 }, + { 0xc340, 0x80 }, + { 0xd017, 0x2c }, + { 0xd01a, 0xc8 }, + { 0xd01b, 0xcf }, + { 0xd01c, 0x0c }, + { 0xd20c, 0x14 }, + { 0xdb09, 0x0f }, + { 0xdb0a, 0x7f }, + { 0xdb14, 0x03 }, + { 0xcb00, 0x31 }, + { 0xc318, 0x44 }, + { 0xc325, 0xce }, + { 0xc326, 0x13 }, + { 0xc327, 0x5f }, + { 0xc328, 0xf3 }, + { 0xc350, 0xe1 }, + { 0xc351, 0x88 }, + { 0xc030, 0x14 }, + { 0xc331, 0xf2 }, + { 0xc551, 0x0f }, + { 0xc552, 0xff }, + { 0xc651, 0xc0 }, + { 0xc550, 0xd0 }, + { 0xc612, 0x00 }, + { 0xc622, 0x00 }, + { 0xc632, 0x00 }, + { 0xc642, 0x00 }, + { 0xc602, 0xf0 }, + { 0xc600, 0xd0 }, + { 0xcc02, 0x78 }, + { 0xcc00, 0x90 }, + { 0xc300, 0x3f }, + { 0xc301, 0x1d }, + { 0xc10b, 0x2e }, + { 0xc10c, 0x36 }, + + { 0xd5a5, 0x00 }, + { 0xd5a6, 0x6a }, + { 0xd5a7, 0xaa }, + { 0xd5a8, 0xaa }, + { 0xd5aa, 0x00 }, + { 0xd5ab, 0x16 }, + { 0xd5ac, 0xdb }, + { 0xd5ad, 0x6d }, + { 0xd545, 0x09 }, + { 0xd546, 0x30 }, + { 0xd547, 0xf0 }, + { 0xd548, 0xf0 }, + { 0xd500, 0x20 }, + { 0xc504, 0x3f }, + { 0xc540, 0x00 }, + { 0xc541, 0x0a }, + { 0xc542, 0x1a }, + { 0xc512, 0x00 }, + { 0xc520, 0x40 }, + { 0xc51b, 0x7f }, + { 0xc51d, 0x0f }, + { 0xc500, 0x40 }, + { 0xc502, 0xde }, + { 0xc507, 0x05 }, + { 0xc509, 0x05 }, + { 0xc510, 0x40 }, + { 0xc518, 0xc0 }, + { 0xc500, 0xc0 }, + + { 0xda0c, 0x00 }, + { 0xda0d, 0x0b }, + { 0xda0e, 0x55 }, + { 0xda0f, 0x55 }, + { 0xda04, 0x00 }, + { 0xda05, 0x51 }, + { 0xda06, 0xeb }, + { 0xda07, 0x85 }, + { 0xca16, 0x0f }, + { 0xca17, 0x00 }, + { 0xda09, 0x5d }, + { 0xda0a, 0xc0 }, + { 0xda11, 0x26 }, + { 0xda12, 0x66 }, + { 0xda13, 0x66 }, + { 0xda14, 0x66 }, + { 0xda16, 0x79 }, + { 0xda17, 0x99 }, + { 0xda18, 0x99 }, + { 0xda19, 0x99 }, + { 0xca09, 0x00 }, + { 0xca0a, 0x07 }, + { 0xca0b, 0x89 }, + { 0xca0c, 0x61 }, + { 0xca0e, 0x00 }, + { 0xca0f, 0x03 }, + { 0xca10, 0xc4 }, + { 0xca11, 0xb0 }, + { 0xdab6, 0x00 }, + { 0xdab7, 0x01 }, + { 0xdab8, 0x00 }, + { 0xdab9, 0x00 }, + { 0xdaba, 0x00 }, + { 0xdabb, 0x00 }, + { 0xd017, 0x0e }, + { 0xca00, 0xcd }, + { 0xc022, 0x84 }, +}; + +#define RT1017_MAX_REG_NUM 0x4108ffff + +static const struct regmap_config rt1017_sdca_regmap = { + .reg_bits = 32, + .val_bits = 8, + .readable_reg = rt1017_sdca_readable_register, + .volatile_reg = rt1017_sdca_volatile_register, + .max_register = RT1017_MAX_REG_NUM, + .reg_defaults = rt1017_sdca_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(rt1017_sdca_reg_defaults), + .cache_type = REGCACHE_MAPLE, + .use_single_read = true, + .use_single_write = true, +}; + +static int rt1017_sdca_read_prop(struct sdw_slave *slave) +{ + struct sdw_slave_prop *prop = &slave->prop; + int nval; + int i, j; + u32 bit; + unsigned long addr; + struct sdw_dpn_prop *dpn; + + prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; + prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY; + + prop->paging_support = true; + + /* first we need to allocate memory for set bits in port lists + * port = 1 for AMP playback + * port = 2 for IV capture + */ + prop->source_ports = BIT(2); /* BITMAP: 00000100 */ + prop->sink_ports = BIT(1); /* BITMAP: 00000010 */ + + 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; + + i = 0; + dpn = prop->src_dpn_prop; + addr = prop->source_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[i].num = bit; + dpn[i].type = SDW_DPN_FULL; + dpn[i].simple_ch_prep_sm = true; + dpn[i].ch_prep_timeout = 10; + i++; + } + + /* do this again for sink now */ + nval = hweight32(prop->sink_ports); + prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval, + sizeof(*prop->sink_dpn_prop), GFP_KERNEL); + if (!prop->sink_dpn_prop) + return -ENOMEM; + + j = 0; + dpn = prop->sink_dpn_prop; + addr = prop->sink_ports; + for_each_set_bit(bit, &addr, 32) { + dpn[j].num = bit; + dpn[j].type = SDW_DPN_FULL; + dpn[j].simple_ch_prep_sm = true; + dpn[j].ch_prep_timeout = 10; + j++; + } + + /* set the timeout values */ + prop->clk_stop_timeout = 64; + + return 0; +} + +static int rt1017_sdca_io_init(struct device *dev, struct sdw_slave *slave) +{ + struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev); + + if (rt1017->hw_init) + return 0; + + if (rt1017->first_hw_init) { + regcache_cache_only(rt1017->regmap, false); + regcache_cache_bypass(rt1017->regmap, true); + } else { + /* + * PM runtime is only enabled when a Slave reports as Attached + */ + + /* set autosuspend parameters */ + pm_runtime_set_autosuspend_delay(&slave->dev, 3000); + pm_runtime_use_autosuspend(&slave->dev); + + /* update count of parent 'active' children */ + pm_runtime_set_active(&slave->dev); + + /* make sure the device does not suspend immediately */ + pm_runtime_mark_last_busy(&slave->dev); + + pm_runtime_enable(&slave->dev); + } + + pm_runtime_get_noresume(&slave->dev); + + /* sw reset */ + regmap_write(rt1017->regmap, 0xc000, 0x02); + + /* initial settings - blind write */ + regmap_multi_reg_write(rt1017->regmap, rt1017_blind_write, + ARRAY_SIZE(rt1017_blind_write)); + + if (rt1017->first_hw_init) { + regcache_cache_bypass(rt1017->regmap, false); + regcache_mark_dirty(rt1017->regmap); + } else + rt1017->first_hw_init = true; + + /* Mark Slave initialization complete */ + rt1017->hw_init = true; + + pm_runtime_mark_last_busy(&slave->dev); + pm_runtime_put_autosuspend(&slave->dev); + + dev_dbg(&slave->dev, "hw_init complete\n"); + return 0; +} + +static int rt1017_sdca_update_status(struct sdw_slave *slave, + enum sdw_slave_status status) +{ + struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev); + + if (status == SDW_SLAVE_UNATTACHED) + rt1017->hw_init = false; + + /* + * Perform initialization only if slave status is present and + * hw_init flag is false + */ + if (rt1017->hw_init || status != SDW_SLAVE_ATTACHED) + return 0; + + /* perform I/O transfers required for Slave initialization */ + return rt1017_sdca_io_init(&slave->dev, slave); +} + +static const char * const rt1017_rx_data_ch_select[] = { + "Bypass", + "CN1", + "CN2", + "CN3", + "CN4", + "(1+2)/2", + "(1+3)/2", + "(1+4)/2", + "(2+3)/2", + "(2+4)/2", + "(3+4)/2", +}; + +static SOC_ENUM_SINGLE_DECL(rt1017_rx_data_ch_enum, + SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21, + RT1017_SDCA_CTL_UDMPU_CLUSTER, 0), + 0, rt1017_rx_data_ch_select); + +static const struct snd_kcontrol_new rt1017_sdca_controls[] = { + /* UDMPU Cluster Selection */ + SOC_ENUM("RX Channel Select", rt1017_rx_data_ch_enum), +}; + +static const struct snd_kcontrol_new rt1017_sto_dac = + SOC_DAPM_SINGLE("Switch", + SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, RT1017_SDCA_CTL_FU_MUTE, 0x1), + 0, 1, 1); + +static int rt1017_sdca_pde23_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + unsigned char ps0 = 0x0, ps3 = 0x3; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_write(rt1017->regmap, + SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0), + ps0); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_write(rt1017->regmap, + SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0), + ps3); + break; + default: + break; + } + return 0; +} + +static int rt1017_sdca_classd_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + regmap_update_bits(rt1017->regmap, RT1017_PWM_TRIM_1, + RT1017_PWM_FREQ_CTL_SRC_SEL_MASK, RT1017_PWM_FREQ_CTL_SRC_SEL_REG); + regmap_write(rt1017->regmap, RT1017_CLASSD_INT_1, 0x10); + break; + default: + break; + } + + return 0; +} + +static int rt1017_sdca_feedback_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + regmap_update_bits(rt1017->regmap, 0xd017, 0x1f, 0x08); + break; + case SND_SOC_DAPM_POST_PMD: + regmap_update_bits(rt1017->regmap, 0xd017, 0x1f, 0x09); + break; + default: + break; + } + + return 0; +} + +static const struct snd_soc_dapm_widget rt1017_sdca_dapm_widgets[] = { + /* Audio Interface */ + SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT_E("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0, + rt1017_sdca_feedback_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + + /* Digital Interface */ + SND_SOC_DAPM_SWITCH("DAC", SND_SOC_NOPM, 0, 0, &rt1017_sto_dac), + + /* Output Lines */ + SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0, + rt1017_sdca_classd_event, SND_SOC_DAPM_POST_PMU), + SND_SOC_DAPM_OUTPUT("SPO"), + + SND_SOC_DAPM_SUPPLY("PDE23", SND_SOC_NOPM, 0, 0, + rt1017_sdca_pde23_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_PGA("I Sense", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("V Sense", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_SIGGEN("I Gen"), + SND_SOC_DAPM_SIGGEN("V Gen"), +}; + +static const struct snd_soc_dapm_route rt1017_sdca_dapm_routes[] = { + + { "DAC", "Switch", "DP1RX" }, + { "CLASS D", NULL, "DAC" }, + { "CLASS D", NULL, "PDE23" }, + { "SPO", NULL, "CLASS D" }, + + { "I Sense", NULL, "I Gen" }, + { "V Sense", NULL, "V Gen" }, + { "I Sense", NULL, "PDE23" }, + { "V Sense", NULL, "PDE23" }, + { "DP2TX", NULL, "I Sense" }, + { "DP2TX", NULL, "V Sense" }, +}; + +static struct sdw_slave_ops rt1017_sdca_slave_ops = { + .read_prop = rt1017_sdca_read_prop, + .update_status = rt1017_sdca_update_status, +}; + +static int rt1017_sdca_component_probe(struct snd_soc_component *component) +{ + int ret; + + ret = pm_runtime_resume(component->dev); + if (ret < 0 && ret != -EACCES) + return ret; + + return 0; +} + +static void rt1017_sdca_component_remove(struct snd_soc_component *component) +{ + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + + regcache_cache_only(rt1017->regmap, true); +} + +static const struct snd_soc_component_driver soc_sdca_component_rt1017 = { + .probe = rt1017_sdca_component_probe, + .remove = rt1017_sdca_component_remove, + .controls = rt1017_sdca_controls, + .num_controls = ARRAY_SIZE(rt1017_sdca_controls), + .dapm_widgets = rt1017_sdca_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(rt1017_sdca_dapm_widgets), + .dapm_routes = rt1017_sdca_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(rt1017_sdca_dapm_routes), + .endianness = 1, +}; + +static int rt1017_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, + int direction) +{ + snd_soc_dai_dma_data_set(dai, direction, sdw_stream); + + return 0; +} + +static void rt1017_sdca_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_soc_dai_set_dma_data(dai, substream, NULL); +} + +static int rt1017_sdca_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + struct sdw_stream_config stream_config; + struct sdw_port_config port_config; + enum sdw_data_direction direction; + struct sdw_stream_runtime *sdw_stream; + int retval, port, num_channels, ch_mask; + unsigned int sampling_rate; + + dev_dbg(dai->dev, "%s %s", __func__, dai->name); + sdw_stream = snd_soc_dai_get_dma_data(dai, substream); + + if (!sdw_stream) + return -EINVAL; + + if (!rt1017->sdw_slave) + return -EINVAL; + + /* SoundWire specific configuration */ + /* port 1 for playback */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + direction = SDW_DATA_DIR_RX; + port = 1; + } else { + direction = SDW_DATA_DIR_TX; + port = 2; + } + + num_channels = params_channels(params); + ch_mask = (1 << num_channels) - 1; + + stream_config.frame_rate = params_rate(params); + stream_config.ch_count = num_channels; + stream_config.bps = snd_pcm_format_width(params_format(params)); + stream_config.direction = direction; + + port_config.ch_mask = ch_mask; + port_config.num = port; + + dev_dbg(dai->dev, "frame_rate %d, ch_count %d, bps %d, direction %d, ch_mask %d, port: %d\n", + params_rate(params), num_channels, snd_pcm_format_width(params_format(params)), + direction, ch_mask, port); + + retval = sdw_stream_add_slave(rt1017->sdw_slave, &stream_config, + &port_config, 1, sdw_stream); + if (retval) { + dev_err(dai->dev, "Unable to configure port\n"); + return retval; + } + + /* sampling rate configuration */ + switch (params_rate(params)) { + case 44100: + sampling_rate = RT1017_SDCA_RATE_44100HZ; + break; + case 48000: + sampling_rate = RT1017_SDCA_RATE_48000HZ; + break; + case 96000: + sampling_rate = RT1017_SDCA_RATE_96000HZ; + break; + case 192000: + sampling_rate = RT1017_SDCA_RATE_192000HZ; + break; + default: + dev_err(component->dev, "Rate %d is not supported\n", + params_rate(params)); + return -EINVAL; + } + + /* set sampling frequency */ + regmap_write(rt1017->regmap, + SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21, + RT1017_SDCA_CTL_FS_INDEX, 0), + sampling_rate); + + return 0; +} + +static int rt1017_sdca_pcm_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component); + struct sdw_stream_runtime *sdw_stream = + snd_soc_dai_get_dma_data(dai, substream); + + if (!rt1017->sdw_slave) + return -EINVAL; + + sdw_stream_remove_slave(rt1017->sdw_slave, sdw_stream); + return 0; +} + +static const struct snd_soc_dai_ops rt1017_sdca_ops = { + .hw_params = rt1017_sdca_pcm_hw_params, + .hw_free = rt1017_sdca_pcm_hw_free, + .set_stream = rt1017_sdca_set_sdw_stream, + .shutdown = rt1017_sdca_shutdown, +}; + +#define RT1017_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) +#define RT1017_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE) + +static struct snd_soc_dai_driver rt1017_sdca_dai[] = { + { + .name = "rt1017-aif", + .playback = { + .stream_name = "DP1 Playback", + .channels_min = 1, + .channels_max = 1, + .rates = RT1017_STEREO_RATES, + .formats = RT1017_FORMATS, + }, + .capture = { + .stream_name = "DP2 Capture", + .channels_min = 1, + .channels_max = 1, + .rates = RT1017_STEREO_RATES, + .formats = RT1017_FORMATS, + }, + .ops = &rt1017_sdca_ops, + }, +}; + +static int rt1017_sdca_init(struct device *dev, struct regmap *regmap, + struct sdw_slave *slave) +{ + struct rt1017_sdca_priv *rt1017; + int ret; + + rt1017 = devm_kzalloc(dev, sizeof(*rt1017), GFP_KERNEL); + if (!rt1017) + return -ENOMEM; + + dev_set_drvdata(dev, rt1017); + rt1017->sdw_slave = slave; + rt1017->regmap = regmap; + + /* + * Mark hw_init to false + * HW init will be performed when device reports present + */ + rt1017->hw_init = false; + rt1017->first_hw_init = false; + + ret = devm_snd_soc_register_component(dev, + &soc_sdca_component_rt1017, + rt1017_sdca_dai, + ARRAY_SIZE(rt1017_sdca_dai)); + + return ret; +} + +static int rt1017_sdca_sdw_probe(struct sdw_slave *slave, + const struct sdw_device_id *id) +{ + struct regmap *regmap; + + /* Regmap Initialization */ + regmap = devm_regmap_init_sdw(slave, &rt1017_sdca_regmap); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return rt1017_sdca_init(&slave->dev, regmap, slave); +} + +static int rt1017_sdca_sdw_remove(struct sdw_slave *slave) +{ + struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev); + + if (rt1017->first_hw_init) + pm_runtime_disable(&slave->dev); + + return 0; +} + +static const struct sdw_device_id rt1017_sdca_id[] = { + SDW_SLAVE_ENTRY_EXT(0x025d, 0x1017, 0x3, 0x1, 0), + {}, +}; +MODULE_DEVICE_TABLE(sdw, rt1017_sdca_id); + +static int __maybe_unused rt1017_sdca_dev_suspend(struct device *dev) +{ + struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev); + + if (!rt1017->hw_init) + return 0; + + regcache_cache_only(rt1017->regmap, true); + + return 0; +} + +#define RT1017_PROBE_TIMEOUT 5000 + +static int __maybe_unused rt1017_sdca_dev_resume(struct device *dev) +{ + struct sdw_slave *slave = dev_to_sdw_dev(dev); + struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev); + unsigned long time; + + if (!rt1017->first_hw_init) + return 0; + + if (!slave->unattach_request) + goto regmap_sync; + + time = wait_for_completion_timeout(&slave->initialization_complete, + msecs_to_jiffies(RT1017_PROBE_TIMEOUT)); + if (!time) { + dev_err(&slave->dev, "Initialization not complete, timed out\n"); + sdw_show_ping_status(slave->bus, true); + + return -ETIMEDOUT; + } + +regmap_sync: + slave->unattach_request = 0; + regcache_cache_only(rt1017->regmap, false); + regcache_sync(rt1017->regmap); + + return 0; +} + +static const struct dev_pm_ops rt1017_sdca_pm = { + SET_SYSTEM_SLEEP_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume) + SET_RUNTIME_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume, NULL) +}; + +static struct sdw_driver rt1017_sdca_sdw_driver = { + .driver = { + .name = "rt1017-sdca", + .owner = THIS_MODULE, + .pm = &rt1017_sdca_pm, + }, + .probe = rt1017_sdca_sdw_probe, + .remove = rt1017_sdca_sdw_remove, + .ops = &rt1017_sdca_slave_ops, + .id_table = rt1017_sdca_id, +}; +module_sdw_driver(rt1017_sdca_sdw_driver); + +MODULE_DESCRIPTION("ASoC RT1017 driver SDCA SDW"); +MODULE_AUTHOR("Derek Fang derek.fang@realtek.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/rt1017-sdca-sdw.h b/sound/soc/codecs/rt1017-sdca-sdw.h new file mode 100644 index 000000000..5968b9a7d --- /dev/null +++ b/sound/soc/codecs/rt1017-sdca-sdw.h @@ -0,0 +1,188 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * rt1017-sdca-sdw.h -- RT1017 SDCA ALSA SoC audio driver header + * + * Copyright(c) 2023 Realtek Semiconductor Corp. + */ + +#ifndef __RT1017_SDW_H__ +#define __RT1017_SDW_H__ + +#include <linux/regmap.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_type.h> +#include <linux/soundwire/sdw_registers.h> +#include <sound/soc.h> + +/* RT1017 SDCA Control - function number */ +#define FUNC_NUM_SMART_AMP 0x04 + +/* RT1017 SDCA entity */ +#define RT1017_SDCA_ENT_PDE23 0x31 +#define RT1017_SDCA_ENT_PDE22 0x33 +#define RT1017_SDCA_ENT_CS21 0x21 +#define RT1017_SDCA_ENT_SAPU29 0x29 +#define RT1017_SDCA_ENT_XU22 0x22 +#define RT1017_SDCA_ENT_FU 0x03 +#define RT1017_SDCA_ENT_UDMPU21 0x02 + +/* RT1017 SDCA control */ +#define RT1017_SDCA_CTL_FS_INDEX 0x10 +#define RT1017_SDCA_CTL_REQ_POWER_STATE 0x01 +#define RT1017_SDCA_CTL_PROT_STAT 0x11 +#define RT1017_SDCA_CTL_BYPASS 0x01 +#define RT1017_SDCA_CTL_FU_MUTE 0x01 +#define RT1017_SDCA_CTL_FU_VOLUME 0x02 +#define RT1017_SDCA_CTL_UDMPU_CLUSTER 0x10 + + +#define RT1017_CLASSD_INT_1 0xd300 +#define RT1017_PWM_TRIM_1 0xd370 + + +#define RT1017_PWM_FREQ_CTL_SRC_SEL_MASK (0x3 << 2) +#define RT1017_PWM_FREQ_CTL_SRC_SEL_EFUSE (0x2 << 2) +#define RT1017_PWM_FREQ_CTL_SRC_SEL_REG (0x0 << 2) + +enum { + RT1017_SDCA_RATE_44100HZ = 0x8, + RT1017_SDCA_RATE_48000HZ = 0x9, + RT1017_SDCA_RATE_96000HZ = 0xb, + RT1017_SDCA_RATE_192000HZ = 0xd, +}; + +struct rt1017_sdca_priv { + struct snd_soc_component *component; + struct regmap *regmap; + struct sdw_slave *sdw_slave; + struct sdw_bus_params params; + bool hw_init; + bool first_hw_init; +}; + +static const struct reg_default rt1017_sdca_reg_defaults[] = { + { 0x3206, 0x00 }, + { 0xc001, 0x43 }, + { 0xc030, 0x54 }, + { 0xc104, 0x8a }, + { 0xc10b, 0x2f }, + { 0xc10c, 0x2f }, + { 0xc110, 0x49 }, + { 0xc112, 0x10 }, + { 0xc300, 0xff }, + { 0xc301, 0xdd }, + { 0xc318, 0x40 }, + { 0xc325, 0x00 }, + { 0xc326, 0x00 }, + { 0xc327, 0x00 }, + { 0xc328, 0x02 }, + { 0xc331, 0xb2 }, + { 0xc340, 0x02 }, + { 0xc350, 0x21 }, + { 0xc500, 0x00 }, + { 0xc502, 0x00 }, + { 0xc504, 0x3f }, + { 0xc507, 0x1f }, + { 0xc509, 0x1f }, + { 0xc510, 0x40 }, + { 0xc512, 0x00 }, + { 0xc518, 0x02 }, + { 0xc51b, 0x7f }, + { 0xc51d, 0x0f }, + { 0xc520, 0x00 }, + { 0xc540, 0x80 }, + { 0xc541, 0x00 }, + { 0xc542, 0x0a }, + { 0xc550, 0x80 }, + { 0xc551, 0x0f }, + { 0xc552, 0xff }, + { 0xc600, 0x10 }, + { 0xc602, 0x83 }, + { 0xc612, 0x40 }, + { 0xc622, 0x40 }, + { 0xc632, 0x40 }, + { 0xc642, 0x40 }, + { 0xc651, 0x00 }, + { 0xca00, 0xc1 }, + { 0xca09, 0x00 }, + { 0xca0a, 0x51 }, + { 0xca0b, 0xeb }, + { 0xca0c, 0x85 }, + { 0xca0e, 0x00 }, + { 0xca0f, 0x10 }, + { 0xca10, 0x62 }, + { 0xca11, 0x4d }, + { 0xca16, 0x0f }, + { 0xca17, 0x00 }, + { 0xcb00, 0x10 }, + { 0xcc00, 0x10 }, + { 0xcc02, 0x0b }, + { 0xd017, 0x09 }, + { 0xd01a, 0x00 }, + { 0xd01b, 0x00 }, + { 0xd01c, 0x00 }, + { 0xd101, 0xa0 }, + { 0xd20c, 0x14 }, + { 0xd300, 0x0f }, + { 0xd370, 0x18 }, + { 0xd500, 0x00 }, + { 0xd545, 0x0b }, + { 0xd546, 0xf9 }, + { 0xd547, 0xb2 }, + { 0xd548, 0xa9 }, + { 0xd5a5, 0x00 }, + { 0xd5a6, 0x00 }, + { 0xd5a7, 0x00 }, + { 0xd5a8, 0x00 }, + { 0xd5aa, 0x00 }, + { 0xd5ab, 0x00 }, + { 0xd5ac, 0x00 }, + { 0xd5ad, 0x00 }, + { 0xda04, 0x03 }, + { 0xda05, 0x33 }, + { 0xda06, 0x33 }, + { 0xda07, 0x33 }, + { 0xda09, 0x5d }, + { 0xda0a, 0xc0 }, + { 0xda0c, 0x00 }, + { 0xda0d, 0x01 }, + { 0xda0e, 0x5d }, + { 0xda0f, 0x86 }, + { 0xda11, 0x20 }, + { 0xda12, 0x00 }, + { 0xda13, 0x00 }, + { 0xda14, 0x00 }, + { 0xda16, 0x7f }, + { 0xda17, 0xff }, + { 0xda18, 0xff }, + { 0xda19, 0xff }, + { 0xdab6, 0x00 }, + { 0xdab7, 0x01 }, + { 0xdab8, 0x00 }, + { 0xdab9, 0x01 }, + { 0xdaba, 0x00 }, + { 0xdabb, 0x01 }, + { 0xdb09, 0x0f }, + { 0xdb0a, 0xff }, + { 0xdb14, 0x00 }, + + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21, + RT1017_SDCA_CTL_UDMPU_CLUSTER, 0), 0x00 }, + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, + RT1017_SDCA_CTL_FU_MUTE, 0x01), 0x01 }, + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_XU22, + RT1017_SDCA_CTL_BYPASS, 0), 0x01 }, + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21, + RT1017_SDCA_CTL_FS_INDEX, 0), 0x09 }, + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 }, + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE22, + RT1017_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 }, +}; + +static const struct reg_default rt1017_sdca_mbq_defaults[] = { + { SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, + RT1017_SDCA_CTL_FU_VOLUME, 0x01), 0x00 }, +}; + +#endif /* __RT1017_SDW_H__ */