aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/rt1019.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/rt1019.c')
-rw-r--r--sound/soc/codecs/rt1019.c608
1 files changed, 608 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1019.c b/sound/soc/codecs/rt1019.c
new file mode 100644
index 000000000000..10656a5927f1
--- /dev/null
+++ b/sound/soc/codecs/rt1019.c
@@ -0,0 +1,608 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt1019.c -- RT1019 ALSA SoC audio amplifier driver
+// Author: Jack Yu <jack.yu@realtek.com>
+//
+// Copyright(c) 2021 Realtek Semiconductor Corp.
+//
+//
+
+#include <linux/acpi.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/firmware.h>
+#include <linux/gpio.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 "rl6231.h"
+#include "rt1019.h"
+
+static const struct reg_default rt1019_reg[] = {
+ { 0x0000, 0x00 },
+ { 0x0011, 0x04 },
+ { 0x0013, 0x00 },
+ { 0x0019, 0x30 },
+ { 0x001b, 0x01 },
+ { 0x005c, 0x00 },
+ { 0x005e, 0x10 },
+ { 0x005f, 0xec },
+ { 0x0061, 0x10 },
+ { 0x0062, 0x19 },
+ { 0x0066, 0x08 },
+ { 0x0100, 0x80 },
+ { 0x0100, 0x51 },
+ { 0x0102, 0x23 },
+ { 0x0311, 0x00 },
+ { 0x0312, 0x3e },
+ { 0x0313, 0x86 },
+ { 0x0400, 0x03 },
+ { 0x0401, 0x02 },
+ { 0x0402, 0x01 },
+ { 0x0504, 0xff },
+ { 0x0505, 0x24 },
+ { 0x0b00, 0x50 },
+ { 0x0b01, 0xc3 },
+};
+
+static bool rt1019_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RT1019_PWR_STRP_2:
+ case RT1019_VER_ID:
+ case RT1019_VEND_ID_1:
+ case RT1019_VEND_ID_2:
+ case RT1019_DEV_ID_1:
+ case RT1019_DEV_ID_2:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static bool rt1019_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RT1019_RESET:
+ case RT1019_IDS_CTRL:
+ case RT1019_ASEL_CTRL:
+ case RT1019_PWR_STRP_2:
+ case RT1019_BEEP_TONE:
+ case RT1019_VER_ID:
+ case RT1019_VEND_ID_1:
+ case RT1019_VEND_ID_2:
+ case RT1019_DEV_ID_1:
+ case RT1019_DEV_ID_2:
+ case RT1019_SDB_CTRL:
+ case RT1019_CLK_TREE_1:
+ case RT1019_CLK_TREE_2:
+ case RT1019_CLK_TREE_3:
+ case RT1019_PLL_1:
+ case RT1019_PLL_2:
+ case RT1019_PLL_3:
+ case RT1019_TDM_1:
+ case RT1019_TDM_2:
+ case RT1019_TDM_3:
+ case RT1019_DMIX_MONO_1:
+ case RT1019_DMIX_MONO_2:
+ case RT1019_BEEP_1:
+ case RT1019_BEEP_2:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
+
+static const char * const rt1019_din_source_select[] = {
+ "Left",
+ "Right",
+ "Left + Right average",
+};
+
+static SOC_ENUM_SINGLE_DECL(rt1019_mono_lr_sel, RT1019_IDS_CTRL, 0,
+ rt1019_din_source_select);
+
+static const struct snd_kcontrol_new rt1019_snd_controls[] = {
+ SOC_SINGLE_TLV("DAC Playback Volume", RT1019_DMIX_MONO_1, 0,
+ 127, 0, dac_vol_tlv),
+ SOC_ENUM("Mono LR Select", rt1019_mono_lr_sel),
+};
+
+static int r1019_dac_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);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_component_write(component, RT1019_SDB_CTRL, 0xb);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ snd_soc_component_write(component, RT1019_SDB_CTRL, 0xa);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget rt1019_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0,
+ r1019_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_OUTPUT("SPO"),
+};
+
+static const struct snd_soc_dapm_route rt1019_dapm_routes[] = {
+ { "DAC", NULL, "AIFRX" },
+ { "SPO", NULL, "DAC" },
+};
+
+static int rt1019_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 rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component);
+ int pre_div, bclk_ms, frame_size;
+ unsigned int val_len = 0, sys_div_da_filter = 0;
+ unsigned int sys_dac_osr = 0, sys_fifo_clk = 0;
+ unsigned int sys_clk_cal = 0, sys_asrc_in = 0;
+
+ rt1019->lrck = params_rate(params);
+ pre_div = rl6231_get_clk_info(rt1019->sysclk, rt1019->lrck);
+ if (pre_div < 0) {
+ dev_err(component->dev, "Unsupported clock setting\n");
+ return -EINVAL;
+ }
+
+ frame_size = snd_soc_params_to_frame_size(params);
+ if (frame_size < 0) {
+ dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
+ return -EINVAL;
+ }
+
+ bclk_ms = frame_size > 32;
+ rt1019->bclk = rt1019->lrck * (32 << bclk_ms);
+
+ dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
+ rt1019->bclk, rt1019->lrck);
+ dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
+ bclk_ms, pre_div, dai->id);
+
+ switch (pre_div) {
+ case 0:
+ sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV1;
+ sys_dac_osr = RT1019_SYS_DA_OSR_DIV1;
+ sys_asrc_in = RT1019_ASRC_256FS_DIV1;
+ sys_fifo_clk = RT1019_SEL_FIFO_DIV1;
+ sys_clk_cal = RT1019_SEL_CLK_CAL_DIV1;
+ break;
+ case 1:
+ sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV2;
+ sys_dac_osr = RT1019_SYS_DA_OSR_DIV2;
+ sys_asrc_in = RT1019_ASRC_256FS_DIV2;
+ sys_fifo_clk = RT1019_SEL_FIFO_DIV2;
+ sys_clk_cal = RT1019_SEL_CLK_CAL_DIV2;
+ break;
+ case 3:
+ sys_div_da_filter = RT1019_SYS_DIV_DA_FIL_DIV4;
+ sys_dac_osr = RT1019_SYS_DA_OSR_DIV4;
+ sys_asrc_in = RT1019_ASRC_256FS_DIV4;
+ sys_fifo_clk = RT1019_SEL_FIFO_DIV4;
+ sys_clk_cal = RT1019_SEL_CLK_CAL_DIV4;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (params_width(params)) {
+ case 16:
+ break;
+ case 20:
+ val_len = RT1019_I2S_DL_20;
+ break;
+ case 24:
+ val_len = RT1019_I2S_DL_24;
+ break;
+ case 32:
+ val_len = RT1019_I2S_DL_32;
+ break;
+ case 8:
+ val_len = RT1019_I2S_DL_8;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, RT1019_TDM_2, RT1019_I2S_DL_MASK,
+ val_len);
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_1,
+ RT1019_SEL_FIFO_MASK, sys_fifo_clk);
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_2,
+ RT1019_SYS_DIV_DA_FIL_MASK | RT1019_SYS_DA_OSR_MASK |
+ RT1019_ASRC_256FS_MASK, sys_div_da_filter | sys_dac_osr |
+ sys_asrc_in);
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_3,
+ RT1019_SEL_CLK_CAL_MASK, sys_clk_cal);
+
+ return 0;
+}
+
+static int rt1019_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ unsigned int reg_val = 0, reg_val2 = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ reg_val2 |= RT1019_TDM_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ break;
+
+ case SND_SOC_DAIFMT_LEFT_J:
+ reg_val |= RT1019_I2S_DF_LEFT;
+ break;
+
+ case SND_SOC_DAIFMT_DSP_A:
+ reg_val |= RT1019_I2S_DF_PCM_A_R;
+ break;
+
+ case SND_SOC_DAIFMT_DSP_B:
+ reg_val |= RT1019_I2S_DF_PCM_B_R;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, RT1019_TDM_2,
+ RT1019_I2S_DF_MASK, reg_val);
+ snd_soc_component_update_bits(component, RT1019_TDM_1,
+ RT1019_TDM_BCLK_MASK, reg_val2);
+
+ return 0;
+}
+
+static int rt1019_set_dai_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component);
+ unsigned int reg_val = 0;
+
+ if (freq == rt1019->sysclk && clk_id == rt1019->sysclk_src)
+ return 0;
+
+ switch (clk_id) {
+ case RT1019_SCLK_S_BCLK:
+ reg_val |= RT1019_CLK_SYS_PRE_SEL_BCLK;
+ break;
+
+ case RT1019_SCLK_S_PLL:
+ reg_val |= RT1019_CLK_SYS_PRE_SEL_PLL;
+ break;
+
+ default:
+ dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
+ return -EINVAL;
+ }
+
+ rt1019->sysclk = freq;
+ rt1019->sysclk_src = clk_id;
+
+ dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
+
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_1,
+ RT1019_CLK_SYS_PRE_SEL_MASK, reg_val);
+
+ return 0;
+}
+
+static int rt1019_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component);
+ struct rl6231_pll_code pll_code;
+ int ret;
+
+ if (!freq_in || !freq_out) {
+ dev_dbg(component->dev, "PLL disabled\n");
+ rt1019->pll_in = 0;
+ rt1019->pll_out = 0;
+ return 0;
+ }
+
+ if (source == rt1019->pll_src && freq_in == rt1019->pll_in &&
+ freq_out == rt1019->pll_out)
+ return 0;
+
+ switch (source) {
+ case RT1019_PLL_S_BCLK:
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_1,
+ RT1019_PLL_SRC_MASK, RT1019_PLL_SRC_SEL_BCLK);
+ break;
+
+ case RT1019_PLL_S_RC25M:
+ snd_soc_component_update_bits(component, RT1019_CLK_TREE_1,
+ RT1019_PLL_SRC_MASK, RT1019_PLL_SRC_SEL_RC);
+ break;
+
+ default:
+ dev_err(component->dev, "Unknown PLL source %d\n", source);
+ return -EINVAL;
+ }
+
+ ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
+ return ret;
+ }
+
+ dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
+ pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
+ pll_code.n_code, pll_code.k_code);
+
+ snd_soc_component_update_bits(component, RT1019_PWR_STRP_2,
+ RT1019_AUTO_BITS_SEL_MASK | RT1019_AUTO_CLK_SEL_MASK,
+ RT1019_AUTO_BITS_SEL_MANU | RT1019_AUTO_CLK_SEL_MANU);
+ snd_soc_component_update_bits(component, RT1019_PLL_1,
+ RT1019_PLL_M_MASK | RT1019_PLL_M_BP_MASK | RT1019_PLL_Q_8_8_MASK,
+ (pll_code.m_bp ? 0 : pll_code.m_code) << RT1019_PLL_M_SFT |
+ pll_code.m_bp << RT1019_PLL_M_BP_SFT |
+ ((pll_code.n_code >> 8) & RT1019_PLL_Q_8_8_MASK));
+ snd_soc_component_update_bits(component, RT1019_PLL_2,
+ RT1019_PLL_Q_7_0_MASK, pll_code.n_code & RT1019_PLL_Q_7_0_MASK);
+ snd_soc_component_update_bits(component, RT1019_PLL_3,
+ RT1019_PLL_K_MASK, pll_code.k_code);
+
+ rt1019->pll_in = freq_in;
+ rt1019->pll_out = freq_out;
+ rt1019->pll_src = source;
+
+ return 0;
+}
+
+static int rt1019_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+ unsigned int rx_mask, int slots, int slot_width)
+{
+ struct snd_soc_component *component = dai->component;
+ unsigned int val = 0, rx_slotnum;
+ int ret = 0, first_bit;
+
+ switch (slots) {
+ case 4:
+ val |= RT1019_I2S_TX_4CH;
+ break;
+ case 6:
+ val |= RT1019_I2S_TX_6CH;
+ break;
+ case 8:
+ val |= RT1019_I2S_TX_8CH;
+ break;
+ case 2:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (slot_width) {
+ case 20:
+ val |= RT1019_I2S_DL_20;
+ break;
+ case 24:
+ val |= RT1019_I2S_DL_24;
+ break;
+ case 32:
+ val |= RT1019_I2S_DL_32;
+ break;
+ case 8:
+ val |= RT1019_I2S_DL_8;
+ break;
+ case 16:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Rx slot configuration */
+ rx_slotnum = hweight_long(rx_mask);
+ if (rx_slotnum != 1) {
+ ret = -EINVAL;
+ dev_err(component->dev, "too many rx slots or zero slot\n");
+ goto _set_tdm_err_;
+ }
+ /* This is an assumption that the system sends stereo audio to the
+ * amplifier typically. And the stereo audio is placed in slot 0/2/4/6
+ * as the starting slot. The users could select the channel from
+ * L/R/L+R by "Mono LR Select" control.
+ */
+ first_bit = __ffs(rx_mask);
+ switch (first_bit) {
+ case 0:
+ case 2:
+ case 4:
+ case 6:
+ snd_soc_component_update_bits(component,
+ RT1019_TDM_3,
+ RT1019_TDM_I2S_TX_L_DAC1_1_MASK |
+ RT1019_TDM_I2S_TX_R_DAC1_1_MASK,
+ (first_bit << RT1019_TDM_I2S_TX_L_DAC1_1_SFT) |
+ ((first_bit + 1) << RT1019_TDM_I2S_TX_R_DAC1_1_SFT));
+ break;
+ case 1:
+ case 3:
+ case 5:
+ case 7:
+ snd_soc_component_update_bits(component,
+ RT1019_TDM_3,
+ RT1019_TDM_I2S_TX_L_DAC1_1_MASK |
+ RT1019_TDM_I2S_TX_R_DAC1_1_MASK,
+ ((first_bit - 1) << RT1019_TDM_I2S_TX_L_DAC1_1_SFT) |
+ (first_bit << RT1019_TDM_I2S_TX_R_DAC1_1_SFT));
+ break;
+ default:
+ ret = -EINVAL;
+ goto _set_tdm_err_;
+ }
+
+ snd_soc_component_update_bits(component, RT1019_TDM_2,
+ RT1019_I2S_CH_TX_MASK | RT1019_I2S_DF_MASK, val);
+
+_set_tdm_err_:
+ return ret;
+}
+
+static int rt1019_probe(struct snd_soc_component *component)
+{
+ struct rt1019_priv *rt1019 = snd_soc_component_get_drvdata(component);
+
+ rt1019->component = component;
+ snd_soc_component_write(component, RT1019_SDB_CTRL, 0xa);
+
+ return 0;
+}
+
+#define RT1019_STEREO_RATES SNDRV_PCM_RATE_8000_192000
+#define RT1019_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
+
+static const struct snd_soc_dai_ops rt1019_aif_dai_ops = {
+ .hw_params = rt1019_hw_params,
+ .set_fmt = rt1019_set_dai_fmt,
+ .set_sysclk = rt1019_set_dai_sysclk,
+ .set_pll = rt1019_set_dai_pll,
+ .set_tdm_slot = rt1019_set_tdm_slot,
+};
+
+static struct snd_soc_dai_driver rt1019_dai[] = {
+ {
+ .name = "rt1019-aif",
+ .id = 0,
+ .playback = {
+ .stream_name = "AIF Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT1019_STEREO_RATES,
+ .formats = RT1019_FORMATS,
+ },
+ .ops = &rt1019_aif_dai_ops,
+ }
+};
+
+static const struct snd_soc_component_driver soc_component_dev_rt1019 = {
+ .probe = rt1019_probe,
+ .controls = rt1019_snd_controls,
+ .num_controls = ARRAY_SIZE(rt1019_snd_controls),
+ .dapm_widgets = rt1019_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt1019_dapm_widgets),
+ .dapm_routes = rt1019_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt1019_dapm_routes),
+};
+
+static const struct regmap_config rt1019_regmap = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .use_single_read = true,
+ .use_single_write = true,
+ .max_register = RT1019_BEEP_2,
+ .volatile_reg = rt1019_volatile_register,
+ .readable_reg = rt1019_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt1019_reg,
+ .num_reg_defaults = ARRAY_SIZE(rt1019_reg),
+};
+
+static const struct i2c_device_id rt1019_i2c_id[] = {
+ { "rt1019", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, rt1019_i2c_id);
+
+static const struct of_device_id rt1019_of_match[] = {
+ { .compatible = "realtek,rt1019", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rt1019_of_match);
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id rt1019_acpi_match[] = {
+ { "10EC1019", 0},
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, rt1019_acpi_match);
+#endif
+
+static int rt1019_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct rt1019_priv *rt1019;
+ int ret;
+ unsigned int val, val2, dev_id;
+
+ rt1019 = devm_kzalloc(&i2c->dev, sizeof(struct rt1019_priv),
+ GFP_KERNEL);
+ if (!rt1019)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, rt1019);
+
+ rt1019->regmap = devm_regmap_init_i2c(i2c, &rt1019_regmap);
+ if (IS_ERR(rt1019->regmap)) {
+ ret = PTR_ERR(rt1019->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ regmap_read(rt1019->regmap, RT1019_DEV_ID_1, &val);
+ regmap_read(rt1019->regmap, RT1019_DEV_ID_2, &val2);
+ dev_id = val << 8 | val2;
+ if (dev_id != RT1019_DEVICE_ID_VAL && dev_id != RT1019_DEVICE_ID_VAL2) {
+ dev_err(&i2c->dev,
+ "Device with ID register 0x%x is not rt1019\n", dev_id);
+ return -ENODEV;
+ }
+
+ return devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_rt1019, rt1019_dai, ARRAY_SIZE(rt1019_dai));
+}
+
+static struct i2c_driver rt1019_i2c_driver = {
+ .driver = {
+ .name = "rt1019",
+ .of_match_table = of_match_ptr(rt1019_of_match),
+ .acpi_match_table = ACPI_PTR(rt1019_acpi_match),
+ },
+ .probe = rt1019_i2c_probe,
+ .id_table = rt1019_i2c_id,
+};
+module_i2c_driver(rt1019_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT1019 driver");
+MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 02:28:42 +0000