diff options
Diffstat (limited to 'sound/soc/codecs/cs35l41.c')
| -rw-r--r-- | sound/soc/codecs/cs35l41.c | 1445 |
1 files changed, 1445 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c new file mode 100644 index 000000000000..94ed21d7676f --- /dev/null +++ b/sound/soc/codecs/cs35l41.c @@ -0,0 +1,1445 @@ +// 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, ®id); + if (ret < 0) { + dev_err(cs35l41->dev, "Get Device ID failed: %d\n", ret); + goto err; + } + + ret = regmap_read(cs35l41->regmap, CS35L41_REVID, ®_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; +} + +void 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); +} + +MODULE_DESCRIPTION("ASoC CS35L41 driver"); +MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>"); +MODULE_LICENSE("GPL"); |