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linux/sound/soc/codecs/cs35l41.c
Charles Keepax c6d1fa6c8f
misc: cs35l41: Remove unused pdn variable 
Remove pdn variable that was made redundant in an earlier patch.

Fixes: c2f14cc2bcdd ("ASoC: cs35l41: Fix use of an uninitialised variable")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210916082346.12001-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-09-16 14:11:16 +01:00

1448 lines
41 KiB
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// SPDX-License-Identifier: GPL-2.0
//
// cs35l41.c -- CS35l41 ALSA SoC audio driver
//
// Copyright 2017-2021 Cirrus Logic, Inc.
//
// Author: David Rhodes <david.rhodes@cirrus.com>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/of_device.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include "cs35l41.h"
static const char * const cs35l41_supplies[CS35L41_NUM_SUPPLIES] = {
"VA",
"VP",
};
struct cs35l41_pll_sysclk_config {
int freq;
int clk_cfg;
};
static const struct cs35l41_pll_sysclk_config cs35l41_pll_sysclk[] = {
{ 32768, 0x00 },
{ 8000, 0x01 },
{ 11025, 0x02 },
{ 12000, 0x03 },
{ 16000, 0x04 },
{ 22050, 0x05 },
{ 24000, 0x06 },
{ 32000, 0x07 },
{ 44100, 0x08 },
{ 48000, 0x09 },
{ 88200, 0x0A },
{ 96000, 0x0B },
{ 128000, 0x0C },
{ 176400, 0x0D },
{ 192000, 0x0E },
{ 256000, 0x0F },
{ 352800, 0x10 },
{ 384000, 0x11 },
{ 512000, 0x12 },
{ 705600, 0x13 },
{ 750000, 0x14 },
{ 768000, 0x15 },
{ 1000000, 0x16 },
{ 1024000, 0x17 },
{ 1200000, 0x18 },
{ 1411200, 0x19 },
{ 1500000, 0x1A },
{ 1536000, 0x1B },
{ 2000000, 0x1C },
{ 2048000, 0x1D },
{ 2400000, 0x1E },
{ 2822400, 0x1F },
{ 3000000, 0x20 },
{ 3072000, 0x21 },
{ 3200000, 0x22 },
{ 4000000, 0x23 },
{ 4096000, 0x24 },
{ 4800000, 0x25 },
{ 5644800, 0x26 },
{ 6000000, 0x27 },
{ 6144000, 0x28 },
{ 6250000, 0x29 },
{ 6400000, 0x2A },
{ 6500000, 0x2B },
{ 6750000, 0x2C },
{ 7526400, 0x2D },
{ 8000000, 0x2E },
{ 8192000, 0x2F },
{ 9600000, 0x30 },
{ 11289600, 0x31 },
{ 12000000, 0x32 },
{ 12288000, 0x33 },
{ 12500000, 0x34 },
{ 12800000, 0x35 },
{ 13000000, 0x36 },
{ 13500000, 0x37 },
{ 19200000, 0x38 },
{ 22579200, 0x39 },
{ 24000000, 0x3A },
{ 24576000, 0x3B },
{ 25000000, 0x3C },
{ 25600000, 0x3D },
{ 26000000, 0x3E },
{ 27000000, 0x3F },
};
struct cs35l41_fs_mon_config {
int freq;
unsigned int fs1;
unsigned int fs2;
};
static const struct cs35l41_fs_mon_config cs35l41_fs_mon[] = {
{ 32768, 2254, 3754 },
{ 8000, 9220, 15364 },
{ 11025, 6148, 10244 },
{ 12000, 6148, 10244 },
{ 16000, 4612, 7684 },
{ 22050, 3076, 5124 },
{ 24000, 3076, 5124 },
{ 32000, 2308, 3844 },
{ 44100, 1540, 2564 },
{ 48000, 1540, 2564 },
{ 88200, 772, 1284 },
{ 96000, 772, 1284 },
{ 128000, 580, 964 },
{ 176400, 388, 644 },
{ 192000, 388, 644 },
{ 256000, 292, 484 },
{ 352800, 196, 324 },
{ 384000, 196, 324 },
{ 512000, 148, 244 },
{ 705600, 100, 164 },
{ 750000, 100, 164 },
{ 768000, 100, 164 },
{ 1000000, 76, 124 },
{ 1024000, 76, 124 },
{ 1200000, 64, 104 },
{ 1411200, 52, 84 },
{ 1500000, 52, 84 },
{ 1536000, 52, 84 },
{ 2000000, 40, 64 },
{ 2048000, 40, 64 },
{ 2400000, 34, 54 },
{ 2822400, 28, 44 },
{ 3000000, 28, 44 },
{ 3072000, 28, 44 },
{ 3200000, 27, 42 },
{ 4000000, 22, 34 },
{ 4096000, 22, 34 },
{ 4800000, 19, 29 },
{ 5644800, 16, 24 },
{ 6000000, 16, 24 },
{ 6144000, 16, 24 },
};
static const unsigned char cs35l41_bst_k1_table[4][5] = {
{ 0x24, 0x32, 0x32, 0x4F, 0x57 },
{ 0x24, 0x32, 0x32, 0x4F, 0x57 },
{ 0x40, 0x32, 0x32, 0x4F, 0x57 },
{ 0x40, 0x32, 0x32, 0x4F, 0x57 }
};
static const unsigned char cs35l41_bst_k2_table[4][5] = {
{ 0x24, 0x49, 0x66, 0xA3, 0xEA },
{ 0x24, 0x49, 0x66, 0xA3, 0xEA },
{ 0x48, 0x49, 0x66, 0xA3, 0xEA },
{ 0x48, 0x49, 0x66, 0xA3, 0xEA }
};
static const unsigned char cs35l41_bst_slope_table[4] = {
0x75, 0x6B, 0x3B, 0x28
};
static int cs35l41_get_fs_mon_config_index(int freq)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs35l41_fs_mon); i++) {
if (cs35l41_fs_mon[i].freq == freq)
return i;
}
return -EINVAL;
}
static const DECLARE_TLV_DB_RANGE(dig_vol_tlv,
0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
1, 913, TLV_DB_MINMAX_ITEM(-10200, 1200));
static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
static const struct snd_kcontrol_new dre_ctrl =
SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0);
static const char * const cs35l41_pcm_sftramp_text[] = {
"Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"
};
static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp,
CS35L41_AMP_DIG_VOL_CTRL, 0,
cs35l41_pcm_sftramp_text);
static const char * const cs35l41_pcm_source_texts[] = {"ASP", "DSP"};
static const unsigned int cs35l41_pcm_source_values[] = {0x08, 0x32};
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_pcm_source_enum,
CS35L41_DAC_PCM1_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_pcm_source_texts,
cs35l41_pcm_source_values);
static const struct snd_kcontrol_new pcm_source_mux =
SOC_DAPM_ENUM("PCM Source", cs35l41_pcm_source_enum);
static const char * const cs35l41_tx_input_texts[] = {
"Zero", "ASPRX1", "ASPRX2", "VMON", "IMON",
"VPMON", "VBSTMON", "DSPTX1", "DSPTX2"
};
static const unsigned int cs35l41_tx_input_values[] = {
0x00, CS35L41_INPUT_SRC_ASPRX1, CS35L41_INPUT_SRC_ASPRX2,
CS35L41_INPUT_SRC_VMON, CS35L41_INPUT_SRC_IMON, CS35L41_INPUT_SRC_VPMON,
CS35L41_INPUT_SRC_VBSTMON, CS35L41_INPUT_DSP_TX1, CS35L41_INPUT_DSP_TX2
};
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx1_enum,
CS35L41_ASP_TX1_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx1_mux =
SOC_DAPM_ENUM("ASPTX1 SRC", cs35l41_asptx1_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx2_enum,
CS35L41_ASP_TX2_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx2_mux =
SOC_DAPM_ENUM("ASPTX2 SRC", cs35l41_asptx2_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx3_enum,
CS35L41_ASP_TX3_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx3_mux =
SOC_DAPM_ENUM("ASPTX3 SRC", cs35l41_asptx3_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx4_enum,
CS35L41_ASP_TX4_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx4_mux =
SOC_DAPM_ENUM("ASPTX4 SRC", cs35l41_asptx4_enum);
static const struct snd_kcontrol_new cs35l41_aud_controls[] = {
SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L41_AMP_DIG_VOL_CTRL,
3, 0x4CF, 0x391, dig_vol_tlv),
SOC_SINGLE_TLV("Analog PCM Volume", CS35L41_AMP_GAIN_CTRL, 5, 0x14, 0,
amp_gain_tlv),
SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
SOC_SINGLE("HW Noise Gate Enable", CS35L41_NG_CFG, 8, 63, 0),
SOC_SINGLE("HW Noise Gate Delay", CS35L41_NG_CFG, 4, 7, 0),
SOC_SINGLE("HW Noise Gate Threshold", CS35L41_NG_CFG, 0, 7, 0),
SOC_SINGLE("Aux Noise Gate CH1 Enable",
CS35L41_MIXER_NGATE_CH1_CFG, 16, 1, 0),
SOC_SINGLE("Aux Noise Gate CH1 Entry Delay",
CS35L41_MIXER_NGATE_CH1_CFG, 8, 15, 0),
SOC_SINGLE("Aux Noise Gate CH1 Threshold",
CS35L41_MIXER_NGATE_CH1_CFG, 0, 7, 0),
SOC_SINGLE("Aux Noise Gate CH2 Entry Delay",
CS35L41_MIXER_NGATE_CH2_CFG, 8, 15, 0),
SOC_SINGLE("Aux Noise Gate CH2 Enable",
CS35L41_MIXER_NGATE_CH2_CFG, 16, 1, 0),
SOC_SINGLE("Aux Noise Gate CH2 Threshold",
CS35L41_MIXER_NGATE_CH2_CFG, 0, 7, 0),
SOC_SINGLE("SCLK Force", CS35L41_SP_FORMAT, CS35L41_SCLK_FRC_SHIFT, 1, 0),
SOC_SINGLE("LRCLK Force", CS35L41_SP_FORMAT, CS35L41_LRCLK_FRC_SHIFT, 1, 0),
SOC_SINGLE("Invert Class D", CS35L41_AMP_DIG_VOL_CTRL,
CS35L41_AMP_INV_PCM_SHIFT, 1, 0),
SOC_SINGLE("Amp Gain ZC", CS35L41_AMP_GAIN_CTRL,
CS35L41_AMP_GAIN_ZC_SHIFT, 1, 0),
};
static const struct cs35l41_otp_map_element_t *cs35l41_find_otp_map(u32 otp_id)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs35l41_otp_map_map); i++) {
if (cs35l41_otp_map_map[i].id == otp_id)
return &cs35l41_otp_map_map[i];
}
return NULL;
}
static int cs35l41_otp_unpack(void *data)
{
const struct cs35l41_otp_map_element_t *otp_map_match;
const struct cs35l41_otp_packed_element_t *otp_map;
struct cs35l41_private *cs35l41 = data;
int bit_offset, word_offset, ret, i;
unsigned int orig_spi_freq;
unsigned int bit_sum = 8;
u32 otp_val, otp_id_reg;
u32 *otp_mem;
otp_mem = kmalloc_array(CS35L41_OTP_SIZE_WORDS, sizeof(*otp_mem), GFP_KERNEL);
if (!otp_mem)
return -ENOMEM;
ret = regmap_read(cs35l41->regmap, CS35L41_OTPID, &otp_id_reg);
if (ret < 0) {
dev_err(cs35l41->dev, "Read OTP ID failed: %d\n", ret);
goto err_otp_unpack;
}
otp_map_match = cs35l41_find_otp_map(otp_id_reg);
if (!otp_map_match) {
dev_err(cs35l41->dev, "OTP Map matching ID %d not found\n",
otp_id_reg);
ret = -EINVAL;
goto err_otp_unpack;
}
if (cs35l41->otp_setup)
cs35l41->otp_setup(cs35l41, true, &orig_spi_freq);
ret = regmap_bulk_read(cs35l41->regmap, CS35L41_OTP_MEM0, otp_mem,
CS35L41_OTP_SIZE_WORDS);
if (ret < 0) {
dev_err(cs35l41->dev, "Read OTP Mem failed: %d\n", ret);
goto err_otp_unpack;
}
if (cs35l41->otp_setup)
cs35l41->otp_setup(cs35l41, false, &orig_spi_freq);
otp_map = otp_map_match->map;
bit_offset = otp_map_match->bit_offset;
word_offset = otp_map_match->word_offset;
ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000055);
if (ret < 0) {
dev_err(cs35l41->dev, "Write Unlock key failed 1/2: %d\n", ret);
goto err_otp_unpack;
}
ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000AA);
if (ret < 0) {
dev_err(cs35l41->dev, "Write Unlock key failed 2/2: %d\n", ret);
goto err_otp_unpack;
}
for (i = 0; i < otp_map_match->num_elements; i++) {
dev_dbg(cs35l41->dev,
"bitoffset= %d, word_offset=%d, bit_sum mod 32=%d\n",
bit_offset, word_offset, bit_sum % 32);
if (bit_offset + otp_map[i].size - 1 >= 32) {
otp_val = (otp_mem[word_offset] &
GENMASK(31, bit_offset)) >>
bit_offset;
otp_val |= (otp_mem[++word_offset] &
GENMASK(bit_offset +
otp_map[i].size - 33, 0)) <<
(32 - bit_offset);
bit_offset += otp_map[i].size - 32;
} else {
otp_val = (otp_mem[word_offset] &
GENMASK(bit_offset + otp_map[i].size - 1,
bit_offset)) >> bit_offset;
bit_offset += otp_map[i].size;
}
bit_sum += otp_map[i].size;
if (bit_offset == 32) {
bit_offset = 0;
word_offset++;
}
if (otp_map[i].reg != 0) {
ret = regmap_update_bits(cs35l41->regmap,
otp_map[i].reg,
GENMASK(otp_map[i].shift +
otp_map[i].size - 1,
otp_map[i].shift),
otp_val << otp_map[i].shift);
if (ret < 0) {
dev_err(cs35l41->dev, "Write OTP val failed: %d\n",
ret);
goto err_otp_unpack;
}
}
}
ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x000000CC);
if (ret < 0) {
dev_err(cs35l41->dev, "Write Lock key failed 1/2: %d\n", ret);
goto err_otp_unpack;
}
ret = regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00000033);
if (ret < 0) {
dev_err(cs35l41->dev, "Write Lock key failed 2/2: %d\n", ret);
goto err_otp_unpack;
}
ret = 0;
err_otp_unpack:
kfree(otp_mem);
return ret;
}
static irqreturn_t cs35l41_irq(int irq, void *data)
{
struct cs35l41_private *cs35l41 = data;
unsigned int status[4] = { 0, 0, 0, 0 };
unsigned int masks[4] = { 0, 0, 0, 0 };
int ret = IRQ_NONE;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(status); i++) {
regmap_read(cs35l41->regmap,
CS35L41_IRQ1_STATUS1 + (i * CS35L41_REGSTRIDE),
&status[i]);
regmap_read(cs35l41->regmap,
CS35L41_IRQ1_MASK1 + (i * CS35L41_REGSTRIDE),
&masks[i]);
}
/* Check to see if unmasked bits are active */
if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
!(status[2] & ~masks[2]) && !(status[3] & ~masks[3]))
return IRQ_NONE;
if (status[3] & CS35L41_OTP_BOOT_DONE) {
regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK4,
CS35L41_OTP_BOOT_DONE, CS35L41_OTP_BOOT_DONE);
}
/*
* The following interrupts require a
* protection release cycle to get the
* speaker out of Safe-Mode.
*/
if (status[0] & CS35L41_AMP_SHORT_ERR) {
dev_crit_ratelimited(cs35l41->dev, "Amp short error\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_AMP_SHORT_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_AMP_SHORT_ERR_RLS,
CS35L41_AMP_SHORT_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_AMP_SHORT_ERR_RLS, 0);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L41_TEMP_WARN) {
dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_TEMP_WARN);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_WARN_ERR_RLS,
CS35L41_TEMP_WARN_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_WARN_ERR_RLS, 0);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L41_TEMP_ERR) {
dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_TEMP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_ERR_RLS,
CS35L41_TEMP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_ERR_RLS, 0);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L41_BST_OVP_ERR) {
dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_OVP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_OVP_ERR_RLS,
CS35L41_BST_OVP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_OVP_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK,
CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L41_BST_DCM_UVP_ERR) {
dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_DCM_UVP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_UVP_ERR_RLS,
CS35L41_BST_UVP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_UVP_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK,
CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L41_BST_SHORT_ERR) {
dev_crit_ratelimited(cs35l41->dev, "LBST error: powering off!\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_SHORT_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_SHORT_ERR_RLS,
CS35L41_BST_SHORT_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK,
CS35L41_BST_EN_DEFAULT << CS35L41_BST_EN_SHIFT);
ret = IRQ_HANDLED;
}
return ret;
}
static const struct reg_sequence cs35l41_pup_patch[] = {
{ 0x00000040, 0x00000055 },
{ 0x00000040, 0x000000AA },
{ 0x00002084, 0x002F1AA0 },
{ 0x00000040, 0x000000CC },
{ 0x00000040, 0x00000033 },
};
static const struct reg_sequence cs35l41_pdn_patch[] = {
{ 0x00000040, 0x00000055 },
{ 0x00000040, 0x000000AA },
{ 0x00002084, 0x002F1AA3 },
{ 0x00000040, 0x000000CC },
{ 0x00000040, 0x00000033 },
};
static int cs35l41_main_amp_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 cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
unsigned int val;
int ret = 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_multi_reg_write_bypassed(cs35l41->regmap,
cs35l41_pup_patch,
ARRAY_SIZE(cs35l41_pup_patch));
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1,
CS35L41_GLOBAL_EN_MASK,
1 << CS35L41_GLOBAL_EN_SHIFT);
usleep_range(1000, 1100);
break;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1,
CS35L41_GLOBAL_EN_MASK, 0);
ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
val, val & CS35L41_PDN_DONE_MASK,
1000, 100000);
if (ret)
dev_warn(cs35l41->dev, "PDN failed: %d\n", ret);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_PDN_DONE_MASK);
regmap_multi_reg_write_bypassed(cs35l41->regmap,
cs35l41_pdn_patch,
ARRAY_SIZE(cs35l41_pdn_patch));
break;
default:
dev_err(cs35l41->dev, "Invalid event = 0x%x\n", event);
ret = -EINVAL;
}
return ret;
}
static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("SPK"),
SND_SOC_DAPM_AIF_IN("ASPRX1", NULL, 0, CS35L41_SP_ENABLES, 16, 0),
SND_SOC_DAPM_AIF_IN("ASPRX2", NULL, 0, CS35L41_SP_ENABLES, 17, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L41_SP_ENABLES, 0, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 0, CS35L41_SP_ENABLES, 1, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 0, CS35L41_SP_ENABLES, 2, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 0, CS35L41_SP_ENABLES, 3, 0),
SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L41_PWR_CTRL2, 12, 0),
SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L41_PWR_CTRL2, 13, 0),
SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L41_PWR_CTRL2, 8, 0),
SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L41_PWR_CTRL2, 9, 0),
SND_SOC_DAPM_ADC("TEMPMON ADC", NULL, CS35L41_PWR_CTRL2, 10, 0),
SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L41_PWR_CTRL3, 4, 0),
SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L41_PWR_CTRL2, 0, 0, NULL, 0,
cs35l41_main_amp_event,
SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_INPUT("VP"),
SND_SOC_DAPM_INPUT("VBST"),
SND_SOC_DAPM_INPUT("ISENSE"),
SND_SOC_DAPM_INPUT("VSENSE"),
SND_SOC_DAPM_INPUT("TEMP"),
SND_SOC_DAPM_MUX("ASP TX1 Source", SND_SOC_NOPM, 0, 0, &asp_tx1_mux),
SND_SOC_DAPM_MUX("ASP TX2 Source", SND_SOC_NOPM, 0, 0, &asp_tx2_mux),
SND_SOC_DAPM_MUX("ASP TX3 Source", SND_SOC_NOPM, 0, 0, &asp_tx3_mux),
SND_SOC_DAPM_MUX("ASP TX4 Source", SND_SOC_NOPM, 0, 0, &asp_tx4_mux),
SND_SOC_DAPM_MUX("PCM Source", SND_SOC_NOPM, 0, 0, &pcm_source_mux),
SND_SOC_DAPM_SWITCH("DRE", SND_SOC_NOPM, 0, 0, &dre_ctrl),
};
static const struct snd_soc_dapm_route cs35l41_audio_map[] = {
{"ASP TX1 Source", "VMON", "VMON ADC"},
{"ASP TX1 Source", "IMON", "IMON ADC"},
{"ASP TX1 Source", "VPMON", "VPMON ADC"},
{"ASP TX1 Source", "VBSTMON", "VBSTMON ADC"},
{"ASP TX1 Source", "ASPRX1", "ASPRX1" },
{"ASP TX1 Source", "ASPRX2", "ASPRX2" },
{"ASP TX2 Source", "VMON", "VMON ADC"},
{"ASP TX2 Source", "IMON", "IMON ADC"},
{"ASP TX2 Source", "VPMON", "VPMON ADC"},
{"ASP TX2 Source", "VBSTMON", "VBSTMON ADC"},
{"ASP TX2 Source", "ASPRX1", "ASPRX1" },
{"ASP TX2 Source", "ASPRX2", "ASPRX2" },
{"ASP TX3 Source", "VMON", "VMON ADC"},
{"ASP TX3 Source", "IMON", "IMON ADC"},
{"ASP TX3 Source", "VPMON", "VPMON ADC"},
{"ASP TX3 Source", "VBSTMON", "VBSTMON ADC"},
{"ASP TX3 Source", "ASPRX1", "ASPRX1" },
{"ASP TX3 Source", "ASPRX2", "ASPRX2" },
{"ASP TX4 Source", "VMON", "VMON ADC"},
{"ASP TX4 Source", "IMON", "IMON ADC"},
{"ASP TX4 Source", "VPMON", "VPMON ADC"},
{"ASP TX4 Source", "VBSTMON", "VBSTMON ADC"},
{"ASP TX4 Source", "ASPRX1", "ASPRX1" },
{"ASP TX4 Source", "ASPRX2", "ASPRX2" },
{"ASPTX1", NULL, "ASP TX1 Source"},
{"ASPTX2", NULL, "ASP TX2 Source"},
{"ASPTX3", NULL, "ASP TX3 Source"},
{"ASPTX4", NULL, "ASP TX4 Source"},
{"AMP Capture", NULL, "ASPTX1"},
{"AMP Capture", NULL, "ASPTX2"},
{"AMP Capture", NULL, "ASPTX3"},
{"AMP Capture", NULL, "ASPTX4"},
{"VMON ADC", NULL, "VSENSE"},
{"IMON ADC", NULL, "ISENSE"},
{"VPMON ADC", NULL, "VP"},
{"TEMPMON ADC", NULL, "TEMP"},
{"VBSTMON ADC", NULL, "VBST"},
{"ASPRX1", NULL, "AMP Playback"},
{"ASPRX2", NULL, "AMP Playback"},
{"DRE", "Switch", "CLASS H"},
{"Main AMP", NULL, "CLASS H"},
{"Main AMP", NULL, "DRE"},
{"SPK", NULL, "Main AMP"},
{"PCM Source", "ASP", "ASPRX1"},
{"CLASS H", NULL, "PCM Source"},
};
static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_num,
unsigned int *tx_slot, unsigned int rx_num,
unsigned int *rx_slot)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
unsigned int val, mask;
int i;
if (tx_num > 4 || rx_num > 2)
return -EINVAL;
val = 0;
mask = 0;
for (i = 0; i < rx_num; i++) {
dev_dbg(cs35l41->dev, "rx slot %d position = %d\n", i, rx_slot[i]);
val |= rx_slot[i] << (i * 8);
mask |= 0x3F << (i * 8);
}
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_RX_SLOT, mask, val);
val = 0;
mask = 0;
for (i = 0; i < tx_num; i++) {
dev_dbg(cs35l41->dev, "tx slot %d position = %d\n", i, tx_slot[i]);
val |= tx_slot[i] << (i * 8);
mask |= 0x3F << (i * 8);
}
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_TX_SLOT, mask, val);
return 0;
}
static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
unsigned int daifmt = 0;
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
case SND_SOC_DAIFMT_CBP_CFP:
daifmt |= CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK;
break;
case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
dev_warn(cs35l41->dev, "Mixed provider/consumer mode unsupported\n");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
break;
case SND_SOC_DAIFMT_I2S:
daifmt |= 2 << CS35L41_ASP_FMT_SHIFT;
break;
default:
dev_warn(cs35l41->dev, "Invalid or unsupported DAI format\n");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
daifmt |= CS35L41_LRCLK_INV_MASK;
break;
case SND_SOC_DAIFMT_IB_NF:
daifmt |= CS35L41_SCLK_INV_MASK;
break;
case SND_SOC_DAIFMT_IB_IF:
daifmt |= CS35L41_LRCLK_INV_MASK | CS35L41_SCLK_INV_MASK;
break;
case SND_SOC_DAIFMT_NB_NF:
break;
default:
dev_warn(cs35l41->dev, "Invalid DAI clock INV\n");
return -EINVAL;
}
return regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_SCLK_MSTR_MASK | CS35L41_LRCLK_MSTR_MASK |
CS35L41_ASP_FMT_MASK | CS35L41_LRCLK_INV_MASK |
CS35L41_SCLK_INV_MASK, daifmt);
}
struct cs35l41_global_fs_config {
int rate;
int fs_cfg;
};
static const struct cs35l41_global_fs_config cs35l41_fs_rates[] = {
{ 12000, 0x01 },
{ 24000, 0x02 },
{ 48000, 0x03 },
{ 96000, 0x04 },
{ 192000, 0x05 },
{ 11025, 0x09 },
{ 22050, 0x0A },
{ 44100, 0x0B },
{ 88200, 0x0C },
{ 176400, 0x0D },
{ 8000, 0x11 },
{ 16000, 0x12 },
{ 32000, 0x13 },
};
static int cs35l41_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
unsigned int rate = params_rate(params);
u8 asp_wl;
int i;
for (i = 0; i < ARRAY_SIZE(cs35l41_fs_rates); i++) {
if (rate == cs35l41_fs_rates[i].rate)
break;
}
if (i >= ARRAY_SIZE(cs35l41_fs_rates)) {
dev_err(cs35l41->dev, "Unsupported rate: %u\n", rate);
return -EINVAL;
}
asp_wl = params_width(params);
if (i < ARRAY_SIZE(cs35l41_fs_rates))
regmap_update_bits(cs35l41->regmap, CS35L41_GLOBAL_CLK_CTRL,
CS35L41_GLOBAL_FS_MASK,
cs35l41_fs_rates[i].fs_cfg << CS35L41_GLOBAL_FS_SHIFT);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_WIDTH_RX_MASK,
asp_wl << CS35L41_ASP_WIDTH_RX_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_RX_WL,
CS35L41_ASP_RX_WL_MASK,
asp_wl << CS35L41_ASP_RX_WL_SHIFT);
} else {
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_WIDTH_TX_MASK,
asp_wl << CS35L41_ASP_WIDTH_TX_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_TX_WL,
CS35L41_ASP_TX_WL_MASK,
asp_wl << CS35L41_ASP_TX_WL_SHIFT);
}
return 0;
}
static int cs35l41_get_clk_config(int freq)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs35l41_pll_sysclk); i++) {
if (cs35l41_pll_sysclk[i].freq == freq)
return cs35l41_pll_sysclk[i].clk_cfg;
}
return -EINVAL;
}
static const unsigned int cs35l41_src_rates[] = {
8000, 12000, 11025, 16000, 22050, 24000, 32000,
44100, 48000, 88200, 96000, 176400, 192000
};
static const struct snd_pcm_hw_constraint_list cs35l41_constraints = {
.count = ARRAY_SIZE(cs35l41_src_rates),
.list = cs35l41_src_rates,
};
static int cs35l41_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
if (substream->runtime)
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&cs35l41_constraints);
return 0;
}
static int cs35l41_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source,
unsigned int freq, int dir)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component);
int extclk_cfg, clksrc;
switch (clk_id) {
case CS35L41_CLKID_SCLK:
clksrc = CS35L41_PLLSRC_SCLK;
break;
case CS35L41_CLKID_LRCLK:
clksrc = CS35L41_PLLSRC_LRCLK;
break;
case CS35L41_CLKID_MCLK:
clksrc = CS35L41_PLLSRC_MCLK;
break;
default:
dev_err(cs35l41->dev, "Invalid CLK Config\n");
return -EINVAL;
}
extclk_cfg = cs35l41_get_clk_config(freq);
if (extclk_cfg < 0) {
dev_err(cs35l41->dev, "Invalid CLK Config: %d, freq: %u\n",
extclk_cfg, freq);
return -EINVAL;
}
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_OPENLOOP_MASK,
1 << CS35L41_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_REFCLK_FREQ_MASK,
extclk_cfg << CS35L41_REFCLK_FREQ_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_EN_MASK,
0 << CS35L41_PLL_CLK_EN_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_SEL_MASK, clksrc);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_OPENLOOP_MASK,
0 << CS35L41_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_EN_MASK,
1 << CS35L41_PLL_CLK_EN_SHIFT);
return 0;
}
static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
unsigned int fs1_val;
unsigned int fs2_val;
unsigned int val;
int fsindex;
fsindex = cs35l41_get_fs_mon_config_index(freq);
if (fsindex < 0) {
dev_err(cs35l41->dev, "Invalid CLK Config freq: %u\n", freq);
return -EINVAL;
}
dev_dbg(cs35l41->dev, "Set DAI sysclk %d\n", freq);
if (freq <= 6144000) {
/* Use the lookup table */
fs1_val = cs35l41_fs_mon[fsindex].fs1;
fs2_val = cs35l41_fs_mon[fsindex].fs2;
} else {
/* Use hard-coded values */
fs1_val = 0x10;
fs2_val = 0x24;
}
val = fs1_val;
val |= (fs2_val << CS35L41_FS2_WINDOW_SHIFT) & CS35L41_FS2_WINDOW_MASK;
regmap_write(cs35l41->regmap, CS35L41_TST_FS_MON0, val);
return 0;
}
static int cs35l41_boost_config(struct cs35l41_private *cs35l41,
int boost_ind, int boost_cap, int boost_ipk)
{
unsigned char bst_lbst_val, bst_cbst_range, bst_ipk_scaled;
struct regmap *regmap = cs35l41->regmap;
struct device *dev = cs35l41->dev;
int ret;
switch (boost_ind) {
case 1000: /* 1.0 uH */
bst_lbst_val = 0;
break;
case 1200: /* 1.2 uH */
bst_lbst_val = 1;
break;
case 1500: /* 1.5 uH */
bst_lbst_val = 2;
break;
case 2200: /* 2.2 uH */
bst_lbst_val = 3;
break;
default:
dev_err(dev, "Invalid boost inductor value: %d nH\n", boost_ind);
return -EINVAL;
}
switch (boost_cap) {
case 0 ... 19:
bst_cbst_range = 0;
break;
case 20 ... 50:
bst_cbst_range = 1;
break;
case 51 ... 100:
bst_cbst_range = 2;
break;
case 101 ... 200:
bst_cbst_range = 3;
break;
default: /* 201 uF and greater */
bst_cbst_range = 4;
}
ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_COEFF,
CS35L41_BST_K1_MASK | CS35L41_BST_K2_MASK,
cs35l41_bst_k1_table[bst_lbst_val][bst_cbst_range]
<< CS35L41_BST_K1_SHIFT |
cs35l41_bst_k2_table[bst_lbst_val][bst_cbst_range]
<< CS35L41_BST_K2_SHIFT);
if (ret) {
dev_err(dev, "Failed to write boost coefficients: %d\n", ret);
return ret;
}
ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_SLOPE_LBST,
CS35L41_BST_SLOPE_MASK | CS35L41_BST_LBST_VAL_MASK,
cs35l41_bst_slope_table[bst_lbst_val]
<< CS35L41_BST_SLOPE_SHIFT |
bst_lbst_val << CS35L41_BST_LBST_VAL_SHIFT);
if (ret) {
dev_err(dev, "Failed to write boost slope/inductor value: %d\n", ret);
return ret;
}
if (boost_ipk < 1600 || boost_ipk > 4500) {
dev_err(dev, "Invalid boost inductor peak current: %d mA\n",
boost_ipk);
return -EINVAL;
}
bst_ipk_scaled = ((boost_ipk - 1600) / 50) + 0x10;
ret = regmap_update_bits(regmap, CS35L41_BSTCVRT_PEAK_CUR,
CS35L41_BST_IPK_MASK,
bst_ipk_scaled << CS35L41_BST_IPK_SHIFT);
if (ret) {
dev_err(dev, "Failed to write boost inductor peak current: %d\n", ret);
return ret;
}
return 0;
}
static int cs35l41_set_pdata(struct cs35l41_private *cs35l41)
{
int ret;
/* Set Platform Data */
/* Required */
if (cs35l41->pdata.bst_ipk &&
cs35l41->pdata.bst_ind && cs35l41->pdata.bst_cap) {
ret = cs35l41_boost_config(cs35l41, cs35l41->pdata.bst_ind,
cs35l41->pdata.bst_cap,
cs35l41->pdata.bst_ipk);
if (ret) {
dev_err(cs35l41->dev, "Error in Boost DT config: %d\n", ret);
return ret;
}
} else {
dev_err(cs35l41->dev, "Incomplete Boost component DT config\n");
return -EINVAL;
}
/* Optional */
if (cs35l41->pdata.dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK &&
cs35l41->pdata.dout_hiz >= 0)
regmap_update_bits(cs35l41->regmap, CS35L41_SP_HIZ_CTRL,
CS35L41_ASP_DOUT_HIZ_MASK,
cs35l41->pdata.dout_hiz);
return 0;
}
static int cs35l41_irq_gpio_config(struct cs35l41_private *cs35l41)
{
struct cs35l41_irq_cfg *irq_gpio_cfg1 = &cs35l41->pdata.irq_config1;
struct cs35l41_irq_cfg *irq_gpio_cfg2 = &cs35l41->pdata.irq_config2;
int irq_pol = IRQF_TRIGGER_NONE;
regmap_update_bits(cs35l41->regmap, CS35L41_GPIO1_CTRL1,
CS35L41_GPIO_POL_MASK | CS35L41_GPIO_DIR_MASK,
irq_gpio_cfg1->irq_pol_inv << CS35L41_GPIO_POL_SHIFT |
!irq_gpio_cfg1->irq_out_en << CS35L41_GPIO_DIR_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_GPIO2_CTRL1,
CS35L41_GPIO_POL_MASK | CS35L41_GPIO_DIR_MASK,
irq_gpio_cfg1->irq_pol_inv << CS35L41_GPIO_POL_SHIFT |
!irq_gpio_cfg1->irq_out_en << CS35L41_GPIO_DIR_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL,
CS35L41_GPIO1_CTRL_MASK | CS35L41_GPIO2_CTRL_MASK,
irq_gpio_cfg1->irq_src_sel << CS35L41_GPIO1_CTRL_SHIFT |
irq_gpio_cfg2->irq_src_sel << CS35L41_GPIO2_CTRL_SHIFT);
if ((irq_gpio_cfg2->irq_src_sel ==
(CS35L41_GPIO_CTRL_ACTV_LO | CS35L41_VALID_PDATA)) ||
(irq_gpio_cfg2->irq_src_sel ==
(CS35L41_GPIO_CTRL_OPEN_INT | CS35L41_VALID_PDATA)))
irq_pol = IRQF_TRIGGER_LOW;
else if (irq_gpio_cfg2->irq_src_sel ==
(CS35L41_GPIO_CTRL_ACTV_HI | CS35L41_VALID_PDATA))
irq_pol = IRQF_TRIGGER_HIGH;
return irq_pol;
}
static const struct snd_soc_dai_ops cs35l41_ops = {
.startup = cs35l41_pcm_startup,
.set_fmt = cs35l41_set_dai_fmt,
.hw_params = cs35l41_pcm_hw_params,
.set_sysclk = cs35l41_dai_set_sysclk,
.set_channel_map = cs35l41_set_channel_map,
};
static struct snd_soc_dai_driver cs35l41_dai[] = {
{
.name = "cs35l41-pcm",
.id = 0,
.playback = {
.stream_name = "AMP Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L41_RX_FORMATS,
},
.capture = {
.stream_name = "AMP Capture",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L41_TX_FORMATS,
},
.ops = &cs35l41_ops,
.symmetric_rate = 1,
},
};
static const struct snd_soc_component_driver soc_component_dev_cs35l41 = {
.name = "cs35l41-codec",
.dapm_widgets = cs35l41_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(cs35l41_dapm_widgets),
.dapm_routes = cs35l41_audio_map,
.num_dapm_routes = ARRAY_SIZE(cs35l41_audio_map),
.controls = cs35l41_aud_controls,
.num_controls = ARRAY_SIZE(cs35l41_aud_controls),
.set_sysclk = cs35l41_component_set_sysclk,
};
static int cs35l41_handle_pdata(struct device *dev,
struct cs35l41_platform_data *pdata,
struct cs35l41_private *cs35l41)
{
struct cs35l41_irq_cfg *irq_gpio1_config = &pdata->irq_config1;
struct cs35l41_irq_cfg *irq_gpio2_config = &pdata->irq_config2;
unsigned int val;
int ret;
ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val);
if (ret >= 0)
pdata->bst_ipk = val;
ret = device_property_read_u32(dev, "cirrus,boost-ind-nanohenry", &val);
if (ret >= 0)
pdata->bst_ind = val;
ret = device_property_read_u32(dev, "cirrus,boost-cap-microfarad", &val);
if (ret >= 0)
pdata->bst_cap = val;
ret = device_property_read_u32(dev, "cirrus,asp-sdout-hiz", &val);
if (ret >= 0)
pdata->dout_hiz = val;
else
pdata->dout_hiz = -1;
/* GPIO1 Pin Config */
irq_gpio1_config->irq_pol_inv = device_property_read_bool(dev,
"cirrus,gpio1-polarity-invert");
irq_gpio1_config->irq_out_en = device_property_read_bool(dev,
"cirrus,gpio1-output-enable");
ret = device_property_read_u32(dev, "cirrus,gpio1-src-select",
&val);
if (ret >= 0)
irq_gpio1_config->irq_src_sel = val | CS35L41_VALID_PDATA;
/* GPIO2 Pin Config */
irq_gpio2_config->irq_pol_inv = device_property_read_bool(dev,
"cirrus,gpio2-polarity-invert");
irq_gpio2_config->irq_out_en = device_property_read_bool(dev,
"cirrus,gpio2-output-enable");
ret = device_property_read_u32(dev, "cirrus,gpio2-src-select",
&val);
if (ret >= 0)
irq_gpio2_config->irq_src_sel = val | CS35L41_VALID_PDATA;
return 0;
}
static const struct reg_sequence cs35l41_reva0_errata_patch[] = {
{ 0x00000040, 0x00005555 },
{ 0x00000040, 0x0000AAAA },
{ 0x00003854, 0x05180240 },
{ CS35L41_VIMON_SPKMON_RESYNC, 0x00000000 },
{ 0x00004310, 0x00000000 },
{ CS35L41_VPVBST_FS_SEL, 0x00000000 },
{ CS35L41_OTP_TRIM_30, 0x9091A1C8 },
{ 0x00003014, 0x0200EE0E },
{ CS35L41_BSTCVRT_DCM_CTRL, 0x00000051 },
{ 0x00000054, 0x00000004 },
{ CS35L41_IRQ1_DB3, 0x00000000 },
{ CS35L41_IRQ2_DB3, 0x00000000 },
{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
{ 0x00000040, 0x0000CCCC },
{ 0x00000040, 0x00003333 },
};
static const struct reg_sequence cs35l41_revb0_errata_patch[] = {
{ 0x00000040, 0x00005555 },
{ 0x00000040, 0x0000AAAA },
{ CS35L41_VIMON_SPKMON_RESYNC, 0x00000000 },
{ 0x00004310, 0x00000000 },
{ CS35L41_VPVBST_FS_SEL, 0x00000000 },
{ CS35L41_BSTCVRT_DCM_CTRL, 0x00000051 },
{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
{ 0x00000040, 0x0000CCCC },
{ 0x00000040, 0x00003333 },
};
static const struct reg_sequence cs35l41_revb2_errata_patch[] = {
{ 0x00000040, 0x00005555 },
{ 0x00000040, 0x0000AAAA },
{ CS35L41_VIMON_SPKMON_RESYNC, 0x00000000 },
{ 0x00004310, 0x00000000 },
{ CS35L41_VPVBST_FS_SEL, 0x00000000 },
{ CS35L41_BSTCVRT_DCM_CTRL, 0x00000051 },
{ CS35L41_DSP1_YM_ACCEL_PL0_PRI, 0x00000000 },
{ CS35L41_DSP1_XM_ACCEL_PL0_PRI, 0x00000000 },
{ 0x00000040, 0x0000CCCC },
{ 0x00000040, 0x00003333 },
};
int cs35l41_probe(struct cs35l41_private *cs35l41,
struct cs35l41_platform_data *pdata)
{
u32 regid, reg_revid, i, mtl_revid, int_status, chipid_match;
int irq_pol = 0;
int ret;
if (pdata) {
cs35l41->pdata = *pdata;
} else {
ret = cs35l41_handle_pdata(cs35l41->dev, &cs35l41->pdata, cs35l41);
if (ret != 0)
return ret;
}
for (i = 0; i < CS35L41_NUM_SUPPLIES; i++)
cs35l41->supplies[i].supply = cs35l41_supplies[i];
ret = devm_regulator_bulk_get(cs35l41->dev, CS35L41_NUM_SUPPLIES,
cs35l41->supplies);
if (ret != 0) {
dev_err(cs35l41->dev, "Failed to request core supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
if (ret != 0) {
dev_err(cs35l41->dev, "Failed to enable core supplies: %d\n", ret);
return ret;
}
/* returning NULL can be an option if in stereo mode */
cs35l41->reset_gpio = devm_gpiod_get_optional(cs35l41->dev, "reset",
GPIOD_OUT_LOW);
if (IS_ERR(cs35l41->reset_gpio)) {
ret = PTR_ERR(cs35l41->reset_gpio);
cs35l41->reset_gpio = NULL;
if (ret == -EBUSY) {
dev_info(cs35l41->dev,
"Reset line busy, assuming shared reset\n");
} else {
dev_err(cs35l41->dev,
"Failed to get reset GPIO: %d\n", ret);
goto err;
}
}
if (cs35l41->reset_gpio) {
/* satisfy minimum reset pulse width spec */
usleep_range(2000, 2100);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
}
usleep_range(2000, 2100);
ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4,
int_status, int_status & CS35L41_OTP_BOOT_DONE,
1000, 100000);
if (ret) {
dev_err(cs35l41->dev,
"Failed waiting for OTP_BOOT_DONE: %d\n", ret);
goto err;
}
regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_status);
if (int_status & CS35L41_OTP_BOOT_ERR) {
dev_err(cs35l41->dev, "OTP Boot error\n");
ret = -EINVAL;
goto err;
}
ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid);
if (ret < 0) {
dev_err(cs35l41->dev, "Get Device ID failed: %d\n", ret);
goto err;
}
ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid);
if (ret < 0) {
dev_err(cs35l41->dev, "Get Revision ID failed: %d\n", ret);
goto err;
}
mtl_revid = reg_revid & CS35L41_MTLREVID_MASK;
/* CS35L41 will have even MTLREVID
* CS35L41R will have odd MTLREVID
*/
chipid_match = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
if (regid != chipid_match) {
dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n",
regid, chipid_match);
ret = -ENODEV;
goto err;
}
switch (reg_revid) {
case CS35L41_REVID_A0:
ret = regmap_register_patch(cs35l41->regmap,
cs35l41_reva0_errata_patch,
ARRAY_SIZE(cs35l41_reva0_errata_patch));
if (ret < 0) {
dev_err(cs35l41->dev,
"Failed to apply A0 errata patch: %d\n", ret);
goto err;
}
break;
case CS35L41_REVID_B0:
ret = regmap_register_patch(cs35l41->regmap,
cs35l41_revb0_errata_patch,
ARRAY_SIZE(cs35l41_revb0_errata_patch));
if (ret < 0) {
dev_err(cs35l41->dev,
"Failed to apply B0 errata patch: %d\n", ret);
goto err;
}
break;
case CS35L41_REVID_B2:
ret = regmap_register_patch(cs35l41->regmap,
cs35l41_revb2_errata_patch,
ARRAY_SIZE(cs35l41_revb2_errata_patch));
if (ret < 0) {
dev_err(cs35l41->dev,
"Failed to apply B2 errata patch: %d\n", ret);
goto err;
}
break;
}
irq_pol = cs35l41_irq_gpio_config(cs35l41);
/* Set interrupt masks for critical errors */
regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1,
CS35L41_INT1_MASK_DEFAULT);
ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL, cs35l41_irq,
IRQF_ONESHOT | IRQF_SHARED | irq_pol,
"cs35l41", cs35l41);
/* CS35L41 needs INT for PDN_DONE */
if (ret != 0) {
dev_err(cs35l41->dev, "Failed to request IRQ: %d\n", ret);
goto err;
}
ret = cs35l41_otp_unpack(cs35l41);
if (ret < 0) {
dev_err(cs35l41->dev, "OTP Unpack failed: %d\n", ret);
goto err;
}
ret = regmap_write(cs35l41->regmap, CS35L41_DSP1_CCM_CORE_CTRL, 0);
if (ret < 0) {
dev_err(cs35l41->dev, "Write CCM_CORE_CTRL failed: %d\n", ret);
goto err;
}
ret = regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_AMP_EN_MASK, 0);
if (ret < 0) {
dev_err(cs35l41->dev, "Write CS35L41_PWR_CTRL2 failed: %d\n", ret);
goto err;
}
ret = regmap_update_bits(cs35l41->regmap, CS35L41_AMP_GAIN_CTRL,
CS35L41_AMP_GAIN_PCM_MASK, 0);
if (ret < 0) {
dev_err(cs35l41->dev, "Write CS35L41_AMP_GAIN_CTRL failed: %d\n", ret);
goto err;
}
ret = cs35l41_set_pdata(cs35l41);
if (ret < 0) {
dev_err(cs35l41->dev, "Set pdata failed: %d\n", ret);
goto err;
}
ret = devm_snd_soc_register_component(cs35l41->dev,
&soc_component_dev_cs35l41,
cs35l41_dai, ARRAY_SIZE(cs35l41_dai));
if (ret < 0) {
dev_err(cs35l41->dev, "Register codec failed: %d\n", ret);
goto err;
}
dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n",
regid, reg_revid);
return 0;
err:
regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
return ret;
}
int cs35l41_remove(struct cs35l41_private *cs35l41)
{
regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
return 0;
}
MODULE_DESCRIPTION("ASoC CS35L41 driver");
MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
MODULE_LICENSE("GPL");
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