| // 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"); |