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linuxdebug/sound/soc/codecs/rt1015.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
//
// rt1015.c -- RT1015 ALSA SoC audio amplifier driver
//
// Copyright 2019 Realtek Semiconductor Corp.
//
// Author: Jack Yu <jack.yu@realtek.com>
//
//
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/fs.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/rt1015.h>
#include <sound/soc-dapm.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include "rl6231.h"
#include "rt1015.h"
static const struct rt1015_platform_data i2s_default_platform_data = {
.power_up_delay_ms = 50,
};
static const struct reg_default rt1015_reg[] = {
{ 0x0000, 0x0000 },
{ 0x0004, 0xa000 },
{ 0x0006, 0x0003 },
{ 0x000a, 0x081e },
{ 0x000c, 0x0006 },
{ 0x000e, 0x0000 },
{ 0x0010, 0x0000 },
{ 0x0012, 0x0000 },
{ 0x0014, 0x0000 },
{ 0x0016, 0x0000 },
{ 0x0018, 0x0000 },
{ 0x0020, 0x8000 },
{ 0x0022, 0x8043 },
{ 0x0076, 0x0000 },
{ 0x0078, 0x0000 },
{ 0x007a, 0x0002 },
{ 0x007c, 0x10ec },
{ 0x007d, 0x1015 },
{ 0x00f0, 0x5000 },
{ 0x00f2, 0x004c },
{ 0x00f3, 0xecfe },
{ 0x00f4, 0x0000 },
{ 0x00f6, 0x0400 },
{ 0x0100, 0x0028 },
{ 0x0102, 0xff02 },
{ 0x0104, 0xa213 },
{ 0x0106, 0x200c },
{ 0x010c, 0x0000 },
{ 0x010e, 0x0058 },
{ 0x0111, 0x0200 },
{ 0x0112, 0x0400 },
{ 0x0114, 0x0022 },
{ 0x0116, 0x0000 },
{ 0x0118, 0x0000 },
{ 0x011a, 0x0123 },
{ 0x011c, 0x4567 },
{ 0x0300, 0x203d },
{ 0x0302, 0x001e },
{ 0x0311, 0x0000 },
{ 0x0313, 0x6014 },
{ 0x0314, 0x00a2 },
{ 0x031a, 0x00a0 },
{ 0x031c, 0x001f },
{ 0x031d, 0xffff },
{ 0x031e, 0x0000 },
{ 0x031f, 0x0000 },
{ 0x0320, 0x0000 },
{ 0x0321, 0x0000 },
{ 0x0322, 0xd7df },
{ 0x0328, 0x10b2 },
{ 0x0329, 0x0175 },
{ 0x032a, 0x36ad },
{ 0x032b, 0x7e55 },
{ 0x032c, 0x0520 },
{ 0x032d, 0xaa00 },
{ 0x032e, 0x570e },
{ 0x0330, 0xe180 },
{ 0x0332, 0x0034 },
{ 0x0334, 0x0001 },
{ 0x0336, 0x0010 },
{ 0x0338, 0x0000 },
{ 0x04fa, 0x0030 },
{ 0x04fc, 0x35c8 },
{ 0x04fe, 0x0800 },
{ 0x0500, 0x0400 },
{ 0x0502, 0x1000 },
{ 0x0504, 0x0000 },
{ 0x0506, 0x04ff },
{ 0x0508, 0x0010 },
{ 0x050a, 0x001a },
{ 0x0519, 0x1c68 },
{ 0x051a, 0x0ccc },
{ 0x051b, 0x0666 },
{ 0x051d, 0x0000 },
{ 0x051f, 0x0000 },
{ 0x0536, 0x061c },
{ 0x0538, 0x0000 },
{ 0x053a, 0x0000 },
{ 0x053c, 0x0000 },
{ 0x053d, 0x0000 },
{ 0x053e, 0x0000 },
{ 0x053f, 0x0000 },
{ 0x0540, 0x0000 },
{ 0x0541, 0x0000 },
{ 0x0542, 0x0000 },
{ 0x0543, 0x0000 },
{ 0x0544, 0x0000 },
{ 0x0568, 0x0000 },
{ 0x056a, 0x0000 },
{ 0x1000, 0x0040 },
{ 0x1002, 0x5405 },
{ 0x1006, 0x5515 },
{ 0x1007, 0x05f7 },
{ 0x1009, 0x0b0a },
{ 0x100a, 0x00ef },
{ 0x100d, 0x0003 },
{ 0x1010, 0xa433 },
{ 0x1020, 0x0000 },
{ 0x1200, 0x5a01 },
{ 0x1202, 0x6524 },
{ 0x1204, 0x1f00 },
{ 0x1206, 0x0000 },
{ 0x1208, 0x0000 },
{ 0x120a, 0x0000 },
{ 0x120c, 0x0000 },
{ 0x120e, 0x0000 },
{ 0x1210, 0x0000 },
{ 0x1212, 0x0000 },
{ 0x1300, 0x10a1 },
{ 0x1302, 0x12ff },
{ 0x1304, 0x0400 },
{ 0x1305, 0x0844 },
{ 0x1306, 0x4611 },
{ 0x1308, 0x555e },
{ 0x130a, 0x0000 },
{ 0x130c, 0x2000 },
{ 0x130e, 0x0100 },
{ 0x130f, 0x0001 },
{ 0x1310, 0x0000 },
{ 0x1312, 0x0000 },
{ 0x1314, 0x0000 },
{ 0x1316, 0x0000 },
{ 0x1318, 0x0000 },
{ 0x131a, 0x0000 },
{ 0x1322, 0x0029 },
{ 0x1323, 0x4a52 },
{ 0x1324, 0x002c },
{ 0x1325, 0x0b02 },
{ 0x1326, 0x002d },
{ 0x1327, 0x6b5a },
{ 0x1328, 0x002e },
{ 0x1329, 0xcbb2 },
{ 0x132a, 0x0030 },
{ 0x132b, 0x2c0b },
{ 0x1330, 0x0031 },
{ 0x1331, 0x8c63 },
{ 0x1332, 0x0032 },
{ 0x1333, 0xecbb },
{ 0x1334, 0x0034 },
{ 0x1335, 0x4d13 },
{ 0x1336, 0x0037 },
{ 0x1337, 0x0dc3 },
{ 0x1338, 0x003d },
{ 0x1339, 0xef7b },
{ 0x133a, 0x0044 },
{ 0x133b, 0xd134 },
{ 0x133c, 0x0047 },
{ 0x133d, 0x91e4 },
{ 0x133e, 0x004d },
{ 0x133f, 0xc370 },
{ 0x1340, 0x0053 },
{ 0x1341, 0xf4fd },
{ 0x1342, 0x0060 },
{ 0x1343, 0x5816 },
{ 0x1344, 0x006c },
{ 0x1345, 0xbb2e },
{ 0x1346, 0x0072 },
{ 0x1347, 0xecbb },
{ 0x1348, 0x0076 },
{ 0x1349, 0x5d97 },
};
static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT1015_RESET:
case RT1015_CLK_DET:
case RT1015_SIL_DET:
case RT1015_VER_ID:
case RT1015_VENDOR_ID:
case RT1015_DEVICE_ID:
case RT1015_PRO_ALT:
case RT1015_MAN_I2C:
case RT1015_DAC3:
case RT1015_VBAT_TEST_OUT1:
case RT1015_VBAT_TEST_OUT2:
case RT1015_VBAT_PROT_ATT:
case RT1015_VBAT_DET_CODE:
case RT1015_SMART_BST_CTRL1:
case RT1015_SPK_DC_DETECT1:
case RT1015_SPK_DC_DETECT4:
case RT1015_SPK_DC_DETECT5:
case RT1015_DC_CALIB_CLSD1:
case RT1015_DC_CALIB_CLSD5:
case RT1015_DC_CALIB_CLSD6:
case RT1015_DC_CALIB_CLSD7:
case RT1015_DC_CALIB_CLSD8:
case RT1015_S_BST_TIMING_INTER1:
case RT1015_OSCK_STA:
case RT1015_MONO_DYNA_CTRL1:
case RT1015_MONO_DYNA_CTRL5:
return true;
default:
return false;
}
}
static bool rt1015_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT1015_RESET:
case RT1015_CLK2:
case RT1015_CLK3:
case RT1015_PLL1:
case RT1015_PLL2:
case RT1015_DUM_RW1:
case RT1015_DUM_RW2:
case RT1015_DUM_RW3:
case RT1015_DUM_RW4:
case RT1015_DUM_RW5:
case RT1015_DUM_RW6:
case RT1015_CLK_DET:
case RT1015_SIL_DET:
case RT1015_CUSTOMER_ID:
case RT1015_PCODE_FWVER:
case RT1015_VER_ID:
case RT1015_VENDOR_ID:
case RT1015_DEVICE_ID:
case RT1015_PAD_DRV1:
case RT1015_PAD_DRV2:
case RT1015_GAT_BOOST:
case RT1015_PRO_ALT:
case RT1015_OSCK_STA:
case RT1015_MAN_I2C:
case RT1015_DAC1:
case RT1015_DAC2:
case RT1015_DAC3:
case RT1015_ADC1:
case RT1015_ADC2:
case RT1015_TDM_MASTER:
case RT1015_TDM_TCON:
case RT1015_TDM1_1:
case RT1015_TDM1_2:
case RT1015_TDM1_3:
case RT1015_TDM1_4:
case RT1015_TDM1_5:
case RT1015_MIXER1:
case RT1015_MIXER2:
case RT1015_ANA_PROTECT1:
case RT1015_ANA_CTRL_SEQ1:
case RT1015_ANA_CTRL_SEQ2:
case RT1015_VBAT_DET_DEB:
case RT1015_VBAT_VOLT_DET1:
case RT1015_VBAT_VOLT_DET2:
case RT1015_VBAT_TEST_OUT1:
case RT1015_VBAT_TEST_OUT2:
case RT1015_VBAT_PROT_ATT:
case RT1015_VBAT_DET_CODE:
case RT1015_PWR1:
case RT1015_PWR4:
case RT1015_PWR5:
case RT1015_PWR6:
case RT1015_PWR7:
case RT1015_PWR8:
case RT1015_PWR9:
case RT1015_CLASSD_SEQ:
case RT1015_SMART_BST_CTRL1:
case RT1015_SMART_BST_CTRL2:
case RT1015_ANA_CTRL1:
case RT1015_ANA_CTRL2:
case RT1015_PWR_STATE_CTRL:
case RT1015_MONO_DYNA_CTRL:
case RT1015_MONO_DYNA_CTRL1:
case RT1015_MONO_DYNA_CTRL2:
case RT1015_MONO_DYNA_CTRL3:
case RT1015_MONO_DYNA_CTRL4:
case RT1015_MONO_DYNA_CTRL5:
case RT1015_SPK_VOL:
case RT1015_SHORT_DETTOP1:
case RT1015_SHORT_DETTOP2:
case RT1015_SPK_DC_DETECT1:
case RT1015_SPK_DC_DETECT2:
case RT1015_SPK_DC_DETECT3:
case RT1015_SPK_DC_DETECT4:
case RT1015_SPK_DC_DETECT5:
case RT1015_BAT_RPO_STEP1:
case RT1015_BAT_RPO_STEP2:
case RT1015_BAT_RPO_STEP3:
case RT1015_BAT_RPO_STEP4:
case RT1015_BAT_RPO_STEP5:
case RT1015_BAT_RPO_STEP6:
case RT1015_BAT_RPO_STEP7:
case RT1015_BAT_RPO_STEP8:
case RT1015_BAT_RPO_STEP9:
case RT1015_BAT_RPO_STEP10:
case RT1015_BAT_RPO_STEP11:
case RT1015_BAT_RPO_STEP12:
case RT1015_SPREAD_SPEC1:
case RT1015_SPREAD_SPEC2:
case RT1015_PAD_STATUS:
case RT1015_PADS_PULLING_CTRL1:
case RT1015_PADS_DRIVING:
case RT1015_SYS_RST1:
case RT1015_SYS_RST2:
case RT1015_SYS_GATING1:
case RT1015_TEST_MODE1:
case RT1015_TEST_MODE2:
case RT1015_TIMING_CTRL1:
case RT1015_PLL_INT:
case RT1015_TEST_OUT1:
case RT1015_DC_CALIB_CLSD1:
case RT1015_DC_CALIB_CLSD2:
case RT1015_DC_CALIB_CLSD3:
case RT1015_DC_CALIB_CLSD4:
case RT1015_DC_CALIB_CLSD5:
case RT1015_DC_CALIB_CLSD6:
case RT1015_DC_CALIB_CLSD7:
case RT1015_DC_CALIB_CLSD8:
case RT1015_DC_CALIB_CLSD9:
case RT1015_DC_CALIB_CLSD10:
case RT1015_CLSD_INTERNAL1:
case RT1015_CLSD_INTERNAL2:
case RT1015_CLSD_INTERNAL3:
case RT1015_CLSD_INTERNAL4:
case RT1015_CLSD_INTERNAL5:
case RT1015_CLSD_INTERNAL6:
case RT1015_CLSD_INTERNAL7:
case RT1015_CLSD_INTERNAL8:
case RT1015_CLSD_INTERNAL9:
case RT1015_CLSD_OCP_CTRL:
case RT1015_VREF_LV:
case RT1015_MBIAS1:
case RT1015_MBIAS2:
case RT1015_MBIAS3:
case RT1015_MBIAS4:
case RT1015_VREF_LV1:
case RT1015_S_BST_TIMING_INTER1:
case RT1015_S_BST_TIMING_INTER2:
case RT1015_S_BST_TIMING_INTER3:
case RT1015_S_BST_TIMING_INTER4:
case RT1015_S_BST_TIMING_INTER5:
case RT1015_S_BST_TIMING_INTER6:
case RT1015_S_BST_TIMING_INTER7:
case RT1015_S_BST_TIMING_INTER8:
case RT1015_S_BST_TIMING_INTER9:
case RT1015_S_BST_TIMING_INTER10:
case RT1015_S_BST_TIMING_INTER11:
case RT1015_S_BST_TIMING_INTER12:
case RT1015_S_BST_TIMING_INTER13:
case RT1015_S_BST_TIMING_INTER14:
case RT1015_S_BST_TIMING_INTER15:
case RT1015_S_BST_TIMING_INTER16:
case RT1015_S_BST_TIMING_INTER17:
case RT1015_S_BST_TIMING_INTER18:
case RT1015_S_BST_TIMING_INTER19:
case RT1015_S_BST_TIMING_INTER20:
case RT1015_S_BST_TIMING_INTER21:
case RT1015_S_BST_TIMING_INTER22:
case RT1015_S_BST_TIMING_INTER23:
case RT1015_S_BST_TIMING_INTER24:
case RT1015_S_BST_TIMING_INTER25:
case RT1015_S_BST_TIMING_INTER26:
case RT1015_S_BST_TIMING_INTER27:
case RT1015_S_BST_TIMING_INTER28:
case RT1015_S_BST_TIMING_INTER29:
case RT1015_S_BST_TIMING_INTER30:
case RT1015_S_BST_TIMING_INTER31:
case RT1015_S_BST_TIMING_INTER32:
case RT1015_S_BST_TIMING_INTER33:
case RT1015_S_BST_TIMING_INTER34:
case RT1015_S_BST_TIMING_INTER35:
case RT1015_S_BST_TIMING_INTER36:
return true;
default:
return false;
}
}
static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
static const char * const rt1015_din_source_select[] = {
"Left",
"Right",
"Left + Right average",
};
static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
rt1015_din_source_select);
static const char * const rt1015_boost_mode[] = {
"Bypass", "Adaptive", "Fixed Adaptive"
};
static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
rt1015_boost_mode);
static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct rt1015_priv *rt1015 =
snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = rt1015->boost_mode;
return 0;
}
static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct rt1015_priv *rt1015 =
snd_soc_component_get_drvdata(component);
int boost_mode = ucontrol->value.integer.value[0];
switch (boost_mode) {
case BYPASS:
snd_soc_component_update_bits(component,
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
RT1015_BYPASS_SWRREG_BYPASS);
break;
case ADAPTIVE:
snd_soc_component_update_bits(component,
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
RT1015_BYPASS_SWRREG_PASS);
break;
case FIXED_ADAPTIVE:
snd_soc_component_update_bits(component,
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
RT1015_BYPASS_SWRREG_PASS);
break;
default:
dev_err(component->dev, "Unknown boost control.\n");
return -EINVAL;
}
rt1015->boost_mode = boost_mode;
return 0;
}
static int rt1015_bypass_boost_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct rt1015_priv *rt1015 =
snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = rt1015->bypass_boost;
return 0;
}
static void rt1015_calibrate(struct rt1015_priv *rt1015)
{
struct snd_soc_component *component = rt1015->component;
struct regmap *regmap = rt1015->regmap;
snd_soc_dapm_mutex_lock(&component->dapm);
regcache_cache_bypass(regmap, true);
regmap_write(regmap, RT1015_CLK_DET, 0x0000);
regmap_write(regmap, RT1015_PWR4, 0x00B2);
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0009);
msleep(100);
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000A);
msleep(100);
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000C);
msleep(100);
regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2028);
regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140);
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000D);
msleep(300);
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x0008);
regmap_write(regmap, RT1015_SYS_RST1, 0x05F5);
regmap_write(regmap, RT1015_CLK_DET, 0x8000);
regcache_cache_bypass(regmap, false);
regcache_mark_dirty(regmap);
regcache_sync(regmap);
snd_soc_dapm_mutex_unlock(&component->dapm);
}
static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct rt1015_priv *rt1015 =
snd_soc_component_get_drvdata(component);
if (rt1015->dac_is_used) {
dev_err(component->dev, "DAC is being used!\n");
return -EBUSY;
}
rt1015->bypass_boost = ucontrol->value.integer.value[0];
if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
!rt1015->cali_done) {
rt1015_calibrate(rt1015);
rt1015->cali_done = 1;
regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
}
return 0;
}
static const struct snd_kcontrol_new rt1015_snd_controls[] = {
SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
127, 0, dac_vol_tlv),
SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
rt1015_boost_mode_get, rt1015_boost_mode_put),
SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
rt1015_bypass_boost_get, rt1015_bypass_boost_put),
};
static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_component *component =
snd_soc_dapm_to_component(source->dapm);
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
return 1;
else
return 0;
}
static int r1015_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);
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
rt1015->dac_is_used = 1;
if (rt1015->bypass_boost == RT1015_Enable_Boost) {
snd_soc_component_write(component,
RT1015_SYS_RST1, 0x05f7);
snd_soc_component_write(component,
RT1015_SYS_RST2, 0x0b0a);
snd_soc_component_write(component,
RT1015_GAT_BOOST, 0xacfe);
snd_soc_component_write(component,
RT1015_PWR9, 0xaa00);
snd_soc_component_write(component,
RT1015_GAT_BOOST, 0xecfe);
} else {
snd_soc_component_write(component,
0x032d, 0xaa60);
snd_soc_component_write(component,
RT1015_SYS_RST1, 0x05f7);
snd_soc_component_write(component,
RT1015_SYS_RST2, 0x0b0a);
snd_soc_component_write(component,
RT1015_PWR_STATE_CTRL, 0x008e);
}
break;
case SND_SOC_DAPM_POST_PMD:
if (rt1015->bypass_boost == RT1015_Enable_Boost) {
snd_soc_component_write(component,
RT1015_PWR9, 0xa800);
snd_soc_component_write(component,
RT1015_SYS_RST1, 0x05f5);
snd_soc_component_write(component,
RT1015_SYS_RST2, 0x0b9a);
} else {
snd_soc_component_write(component,
0x032d, 0xaa60);
snd_soc_component_write(component,
RT1015_PWR_STATE_CTRL, 0x0088);
snd_soc_component_write(component,
RT1015_SYS_RST1, 0x05f5);
snd_soc_component_write(component,
RT1015_SYS_RST2, 0x0b9a);
}
rt1015->dac_is_used = 0;
break;
default:
break;
}
return 0;
}
static int rt1015_amp_drv_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 rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
unsigned int ret, ret2;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
ret = snd_soc_component_read(component, RT1015_CLK_DET);
ret2 = snd_soc_component_read(component, RT1015_SPK_DC_DETECT1);
if (!((ret >> 15) & 0x1)) {
snd_soc_component_update_bits(component, RT1015_CLK_DET,
RT1015_EN_BCLK_DET_MASK, RT1015_EN_BCLK_DET);
dev_dbg(component->dev, "BCLK Detection Enabled.\n");
}
if (!((ret2 >> 12) & 0x1)) {
snd_soc_component_update_bits(component, RT1015_SPK_DC_DETECT1,
RT1015_EN_CLA_D_DC_DET_MASK, RT1015_EN_CLA_D_DC_DET);
dev_dbg(component->dev, "Class-D DC Detection Enabled.\n");
}
break;
case SND_SOC_DAPM_POST_PMU:
msleep(rt1015->pdata.power_up_delay_ms);
break;
default:
break;
}
return 0;
}
static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
NULL, 0),
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,
r1015_dac_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_OUT_DRV_E("Amp Drv", SND_SOC_NOPM, 0, 0, NULL, 0,
rt1015_amp_drv_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_OUTPUT("SPO"),
};
static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
{ "DAC", NULL, "AIFRX" },
{ "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
{ "Amp Drv", NULL, "DAC" },
{ "SPO", NULL, "Amp Drv" },
};
static int rt1015_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 rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
int pre_div, frame_size, lrck;
unsigned int val_len = 0;
lrck = params_rate(params);
pre_div = rl6231_get_clk_info(rt1015->sysclk, lrck);
if (pre_div < 0) {
dev_err(component->dev, "Unsupported clock rate\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;
}
dev_dbg(component->dev, "pre_div is %d for iis %d\n", pre_div, dai->id);
dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
lrck, pre_div, dai->id);
switch (params_width(params)) {
case 16:
break;
case 20:
val_len = RT1015_I2S_DL_20;
break;
case 24:
val_len = RT1015_I2S_DL_24;
break;
case 8:
val_len = RT1015_I2S_DL_8;
break;
default:
return -EINVAL;
}
snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
RT1015_I2S_DL_MASK, val_len);
snd_soc_component_update_bits(component, RT1015_CLK2,
RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
return 0;
}
static int rt1015_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_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
reg_val |= RT1015_TCON_TDM_MS_M;
break;
case SND_SOC_DAIFMT_CBS_CFS:
reg_val |= RT1015_TCON_TDM_MS_S;
break;
default:
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_NF:
reg_val2 |= RT1015_TDM_INV_BCLK;
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 |= RT1015_I2S_M_DF_LEFT;
break;
case SND_SOC_DAIFMT_DSP_A:
reg_val |= RT1015_I2S_M_DF_PCM_A;
break;
case SND_SOC_DAIFMT_DSP_B:
reg_val |= RT1015_I2S_M_DF_PCM_B;
break;
default:
return -EINVAL;
}
snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
reg_val);
snd_soc_component_update_bits(component, RT1015_TDM1_1,
RT1015_TDM_INV_BCLK_MASK, reg_val2);
return 0;
}
static int rt1015_set_component_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq, int dir)
{
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
unsigned int reg_val = 0;
if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
return 0;
switch (clk_id) {
case RT1015_SCLK_S_MCLK:
reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
break;
case RT1015_SCLK_S_PLL:
reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
break;
default:
dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
return -EINVAL;
}
rt1015->sysclk = freq;
rt1015->sysclk_src = clk_id;
dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
freq, clk_id);
snd_soc_component_update_bits(component, RT1015_CLK2,
RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
return 0;
}
static int rt1015_set_component_pll(struct snd_soc_component *component,
int pll_id, int source, unsigned int freq_in,
unsigned int freq_out)
{
struct rt1015_priv *rt1015 = 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");
rt1015->pll_in = 0;
rt1015->pll_out = 0;
return 0;
}
if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
freq_out == rt1015->pll_out)
return 0;
switch (source) {
case RT1015_PLL_S_MCLK:
snd_soc_component_update_bits(component, RT1015_CLK2,
RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
break;
case RT1015_PLL_S_BCLK:
snd_soc_component_update_bits(component, RT1015_CLK2,
RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
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, "Unsupported 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_write(component, RT1015_PLL1,
((pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT) |
(pll_code.m_bp << RT1015_PLL_M_BP_SFT) |
pll_code.n_code);
snd_soc_component_write(component, RT1015_PLL2,
pll_code.k_code);
rt1015->pll_in = freq_in;
rt1015->pll_out = freq_out;
rt1015->pll_src = source;
return 0;
}
static int rt1015_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, tx_slotnum;
int ret = 0, first_bit;
switch (slots) {
case 2:
val |= RT1015_I2S_TX_2CH;
break;
case 4:
val |= RT1015_I2S_TX_4CH;
break;
case 6:
val |= RT1015_I2S_TX_6CH;
break;
case 8:
val |= RT1015_I2S_TX_8CH;
break;
default:
ret = -EINVAL;
goto _set_tdm_err_;
}
switch (slot_width) {
case 16:
val |= RT1015_I2S_CH_TX_LEN_16B;
break;
case 20:
val |= RT1015_I2S_CH_TX_LEN_20B;
break;
case 24:
val |= RT1015_I2S_CH_TX_LEN_24B;
break;
case 32:
val |= RT1015_I2S_CH_TX_LEN_32B;
break;
default:
ret = -EINVAL;
goto _set_tdm_err_;
}
/* 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,
RT1015_TDM1_4,
RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
(first_bit << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
((first_bit+1) << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
break;
case 1:
case 3:
case 5:
case 7:
snd_soc_component_update_bits(component,
RT1015_TDM1_4,
RT1015_TDM_I2S_TX_L_DAC1_1_MASK |
RT1015_TDM_I2S_TX_R_DAC1_1_MASK,
((first_bit-1) << RT1015_TDM_I2S_TX_L_DAC1_1_SFT) |
(first_bit << RT1015_TDM_I2S_TX_R_DAC1_1_SFT));
break;
default:
ret = -EINVAL;
goto _set_tdm_err_;
}
/* Tx slot configuration */
tx_slotnum = hweight_long(tx_mask);
if (tx_slotnum) {
ret = -EINVAL;
dev_err(component->dev, "doesn't need to support tx slots\n");
goto _set_tdm_err_;
}
snd_soc_component_update_bits(component, RT1015_TDM1_1,
RT1015_I2S_CH_TX_MASK | RT1015_I2S_CH_RX_MASK |
RT1015_I2S_CH_TX_LEN_MASK | RT1015_I2S_CH_RX_LEN_MASK, val);
_set_tdm_err_:
return ret;
}
static int rt1015_probe(struct snd_soc_component *component)
{
struct rt1015_priv *rt1015 =
snd_soc_component_get_drvdata(component);
rt1015->component = component;
return 0;
}
static void rt1015_remove(struct snd_soc_component *component)
{
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
regmap_write(rt1015->regmap, RT1015_RESET, 0);
}
#define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
#define RT1015_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 rt1015_aif_dai_ops = {
.hw_params = rt1015_hw_params,
.set_fmt = rt1015_set_dai_fmt,
.set_tdm_slot = rt1015_set_tdm_slot,
};
static struct snd_soc_dai_driver rt1015_dai[] = {
{
.name = "rt1015-aif",
.id = 0,
.playback = {
.stream_name = "AIF Playback",
.channels_min = 1,
.channels_max = 4,
.rates = RT1015_STEREO_RATES,
.formats = RT1015_FORMATS,
},
.ops = &rt1015_aif_dai_ops,
}
};
#ifdef CONFIG_PM
static int rt1015_suspend(struct snd_soc_component *component)
{
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
regcache_cache_only(rt1015->regmap, true);
regcache_mark_dirty(rt1015->regmap);
return 0;
}
static int rt1015_resume(struct snd_soc_component *component)
{
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
regcache_cache_only(rt1015->regmap, false);
regcache_sync(rt1015->regmap);
if (rt1015->cali_done)
rt1015_calibrate(rt1015);
return 0;
}
#else
#define rt1015_suspend NULL
#define rt1015_resume NULL
#endif
static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
.probe = rt1015_probe,
.remove = rt1015_remove,
.suspend = rt1015_suspend,
.resume = rt1015_resume,
.controls = rt1015_snd_controls,
.num_controls = ARRAY_SIZE(rt1015_snd_controls),
.dapm_widgets = rt1015_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
.dapm_routes = rt1015_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
.set_sysclk = rt1015_set_component_sysclk,
.set_pll = rt1015_set_component_pll,
.use_pmdown_time = 1,
.endianness = 1,
};
static const struct regmap_config rt1015_regmap = {
.reg_bits = 16,
.val_bits = 16,
.max_register = RT1015_S_BST_TIMING_INTER36,
.volatile_reg = rt1015_volatile_register,
.readable_reg = rt1015_readable_register,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = rt1015_reg,
.num_reg_defaults = ARRAY_SIZE(rt1015_reg),
};
static const struct i2c_device_id rt1015_i2c_id[] = {
{ "rt1015", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
#if defined(CONFIG_OF)
static const struct of_device_id rt1015_of_match[] = {
{ .compatible = "realtek,rt1015", },
{},
};
MODULE_DEVICE_TABLE(of, rt1015_of_match);
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id rt1015_acpi_match[] = {
{"10EC1015", 0,},
{},
};
MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
#endif
static void rt1015_parse_dt(struct rt1015_priv *rt1015, struct device *dev)
{
device_property_read_u32(dev, "realtek,power-up-delay-ms",
&rt1015->pdata.power_up_delay_ms);
}
static int rt1015_i2c_probe(struct i2c_client *i2c)
{
struct rt1015_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt1015_priv *rt1015;
int ret;
unsigned int val;
rt1015 = devm_kzalloc(&i2c->dev, sizeof(*rt1015), GFP_KERNEL);
if (!rt1015)
return -ENOMEM;
i2c_set_clientdata(i2c, rt1015);
rt1015->pdata = i2s_default_platform_data;
if (pdata)
rt1015->pdata = *pdata;
else
rt1015_parse_dt(rt1015, &i2c->dev);
rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
if (IS_ERR(rt1015->regmap)) {
ret = PTR_ERR(rt1015->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
ret = regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
if (ret) {
dev_err(&i2c->dev,
"Failed to read device register: %d\n", ret);
return ret;
} else if ((val != RT1015_DEVICE_ID_VAL) &&
(val != RT1015_DEVICE_ID_VAL2)) {
dev_err(&i2c->dev,
"Device with ID register %x is not rt1015\n", val);
return -ENODEV;
}
return devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_rt1015,
rt1015_dai, ARRAY_SIZE(rt1015_dai));
}
static void rt1015_i2c_shutdown(struct i2c_client *client)
{
struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
regmap_write(rt1015->regmap, RT1015_RESET, 0);
}
static struct i2c_driver rt1015_i2c_driver = {
.driver = {
.name = "rt1015",
.of_match_table = of_match_ptr(rt1015_of_match),
.acpi_match_table = ACPI_PTR(rt1015_acpi_match),
},
.probe_new = rt1015_i2c_probe,
.shutdown = rt1015_i2c_shutdown,
.id_table = rt1015_i2c_id,
};
module_i2c_driver(rt1015_i2c_driver);
MODULE_DESCRIPTION("ASoC RT1015 driver");
MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
MODULE_LICENSE("GPL v2");