| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Schulman | 9006 | 99.50% | 1 | 7.69% |
| Charles Keepax | 10 | 0.11% | 1 | 7.69% |
| David Rhodes | 8 | 0.09% | 1 | 7.69% |
| Shang XiaoJing | 8 | 0.09% | 1 | 7.69% |
| Wei Yongjun | 4 | 0.04% | 1 | 7.69% |
| Dan Carpenter | 3 | 0.03% | 1 | 7.69% |
| Christophe Jaillet | 3 | 0.03% | 1 | 7.69% |
| Zheyu Ma | 3 | 0.03% | 1 | 7.69% |
| Linus Walleij | 2 | 0.02% | 1 | 7.69% |
| Uwe Kleine-König | 2 | 0.02% | 2 | 15.38% |
| Kuninori Morimoto | 1 | 0.01% | 1 | 7.69% |
| Mark Brown | 1 | 0.01% | 1 | 7.69% |
| Total | 9051 | 13 |
// SPDX-License-Identifier: GPL-2.0 // // cs35l36.c -- CS35L36 ALSA SoC audio driver // // Copyright 2018 Cirrus Logic, Inc. // // Author: James Schulman <james.schulman@cirrus.com> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> #include <linux/irq.h> #include <linux/of.h> #include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> #include <sound/cs35l36.h> #include <linux/completion.h> #include "cs35l36.h" /* * Some fields take zero as a valid value so use a high bit flag that won't * get written to the device to mark those. */ #define CS35L36_VALID_PDATA 0x80000000 static const char * const cs35l36_supplies[] = { "VA", "VP", }; struct cs35l36_private { struct device *dev; struct cs35l36_platform_data pdata; struct regmap *regmap; struct regulator_bulk_data supplies[2]; int num_supplies; int clksrc; int chip_version; int rev_id; int ldm_mode_sel; struct gpio_desc *reset_gpio; }; struct cs35l36_pll_config { int freq; int clk_cfg; int fll_igain; }; static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = { {32768, 0x00, 0x05}, {8000, 0x01, 0x03}, {11025, 0x02, 0x03}, {12000, 0x03, 0x03}, {16000, 0x04, 0x04}, {22050, 0x05, 0x04}, {24000, 0x06, 0x04}, {32000, 0x07, 0x05}, {44100, 0x08, 0x05}, {48000, 0x09, 0x05}, {88200, 0x0A, 0x06}, {96000, 0x0B, 0x06}, {128000, 0x0C, 0x07}, {176400, 0x0D, 0x07}, {192000, 0x0E, 0x07}, {256000, 0x0F, 0x08}, {352800, 0x10, 0x08}, {384000, 0x11, 0x08}, {512000, 0x12, 0x09}, {705600, 0x13, 0x09}, {750000, 0x14, 0x09}, {768000, 0x15, 0x09}, {1000000, 0x16, 0x0A}, {1024000, 0x17, 0x0A}, {1200000, 0x18, 0x0A}, {1411200, 0x19, 0x0A}, {1500000, 0x1A, 0x0A}, {1536000, 0x1B, 0x0A}, {2000000, 0x1C, 0x0A}, {2048000, 0x1D, 0x0A}, {2400000, 0x1E, 0x0A}, {2822400, 0x1F, 0x0A}, {3000000, 0x20, 0x0A}, {3072000, 0x21, 0x0A}, {3200000, 0x22, 0x0A}, {4000000, 0x23, 0x0A}, {4096000, 0x24, 0x0A}, {4800000, 0x25, 0x0A}, {5644800, 0x26, 0x0A}, {6000000, 0x27, 0x0A}, {6144000, 0x28, 0x0A}, {6250000, 0x29, 0x08}, {6400000, 0x2A, 0x0A}, {6500000, 0x2B, 0x08}, {6750000, 0x2C, 0x09}, {7526400, 0x2D, 0x0A}, {8000000, 0x2E, 0x0A}, {8192000, 0x2F, 0x0A}, {9600000, 0x30, 0x0A}, {11289600, 0x31, 0x0A}, {12000000, 0x32, 0x0A}, {12288000, 0x33, 0x0A}, {12500000, 0x34, 0x08}, {12800000, 0x35, 0x0A}, {13000000, 0x36, 0x0A}, {13500000, 0x37, 0x0A}, {19200000, 0x38, 0x0A}, {22579200, 0x39, 0x0A}, {24000000, 0x3A, 0x0A}, {24576000, 0x3B, 0x0A}, {25000000, 0x3C, 0x0A}, {25600000, 0x3D, 0x0A}, {26000000, 0x3E, 0x0A}, {27000000, 0x3F, 0x0A}, }; static struct reg_default cs35l36_reg[] = { {CS35L36_TESTKEY_CTRL, 0x00000000}, {CS35L36_USERKEY_CTL, 0x00000000}, {CS35L36_OTP_CTRL1, 0x00002460}, {CS35L36_OTP_CTRL2, 0x00000000}, {CS35L36_OTP_CTRL3, 0x00000000}, {CS35L36_OTP_CTRL4, 0x00000000}, {CS35L36_OTP_CTRL5, 0x00000000}, {CS35L36_PAC_CTL1, 0x00000004}, {CS35L36_PAC_CTL2, 0x00000000}, {CS35L36_PAC_CTL3, 0x00000000}, {CS35L36_PWR_CTRL1, 0x00000000}, {CS35L36_PWR_CTRL2, 0x00003321}, {CS35L36_PWR_CTRL3, 0x01000010}, {CS35L36_CTRL_OVRRIDE, 0x00000002}, {CS35L36_AMP_OUT_MUTE, 0x00000000}, {CS35L36_OTP_TRIM_STATUS, 0x00000000}, {CS35L36_DISCH_FILT, 0x00000000}, {CS35L36_PROTECT_REL_ERR, 0x00000000}, {CS35L36_PAD_INTERFACE, 0x00000038}, {CS35L36_PLL_CLK_CTRL, 0x00000010}, {CS35L36_GLOBAL_CLK_CTRL, 0x00000003}, {CS35L36_ADC_CLK_CTRL, 0x00000000}, {CS35L36_SWIRE_CLK_CTRL, 0x00000000}, {CS35L36_SP_SCLK_CLK_CTRL, 0x00000000}, {CS35L36_MDSYNC_EN, 0x00000000}, {CS35L36_MDSYNC_TX_ID, 0x00000000}, {CS35L36_MDSYNC_PWR_CTRL, 0x00000000}, {CS35L36_MDSYNC_DATA_TX, 0x00000000}, {CS35L36_MDSYNC_TX_STATUS, 0x00000002}, {CS35L36_MDSYNC_RX_STATUS, 0x00000000}, {CS35L36_MDSYNC_ERR_STATUS, 0x00000000}, {CS35L36_BSTCVRT_VCTRL1, 0x00000000}, {CS35L36_BSTCVRT_VCTRL2, 0x00000001}, {CS35L36_BSTCVRT_PEAK_CUR, 0x0000004A}, {CS35L36_BSTCVRT_SFT_RAMP, 0x00000003}, {CS35L36_BSTCVRT_COEFF, 0x00002424}, {CS35L36_BSTCVRT_SLOPE_LBST, 0x00005800}, {CS35L36_BSTCVRT_SW_FREQ, 0x00010000}, {CS35L36_BSTCVRT_DCM_CTRL, 0x00002001}, {CS35L36_BSTCVRT_DCM_MODE_FORCE, 0x00000000}, {CS35L36_BSTCVRT_OVERVOLT_CTRL, 0x00000130}, {CS35L36_VPI_LIMIT_MODE, 0x00000000}, {CS35L36_VPI_LIMIT_MINMAX, 0x00003000}, {CS35L36_VPI_VP_THLD, 0x00101010}, {CS35L36_VPI_TRACK_CTRL, 0x00000000}, {CS35L36_VPI_TRIG_MODE_CTRL, 0x00000000}, {CS35L36_VPI_TRIG_STEPS, 0x00000000}, {CS35L36_VI_SPKMON_FILT, 0x00000003}, {CS35L36_VI_SPKMON_GAIN, 0x00000909}, {CS35L36_VI_SPKMON_IP_SEL, 0x00000000}, {CS35L36_DTEMP_WARN_THLD, 0x00000002}, {CS35L36_DTEMP_STATUS, 0x00000000}, {CS35L36_VPVBST_FS_SEL, 0x00000001}, {CS35L36_VPVBST_VP_CTRL, 0x000001C0}, {CS35L36_VPVBST_VBST_CTRL, 0x000001C0}, {CS35L36_ASP_TX_PIN_CTRL, 0x00000028}, {CS35L36_ASP_RATE_CTRL, 0x00090000}, {CS35L36_ASP_FORMAT, 0x00000002}, {CS35L36_ASP_FRAME_CTRL, 0x00180018}, {CS35L36_ASP_TX1_TX2_SLOT, 0x00010000}, {CS35L36_ASP_TX3_TX4_SLOT, 0x00030002}, {CS35L36_ASP_TX5_TX6_SLOT, 0x00050004}, {CS35L36_ASP_TX7_TX8_SLOT, 0x00070006}, {CS35L36_ASP_RX1_SLOT, 0x00000000}, {CS35L36_ASP_RX_TX_EN, 0x00000000}, {CS35L36_ASP_RX1_SEL, 0x00000008}, {CS35L36_ASP_TX1_SEL, 0x00000018}, {CS35L36_ASP_TX2_SEL, 0x00000019}, {CS35L36_ASP_TX3_SEL, 0x00000028}, {CS35L36_ASP_TX4_SEL, 0x00000029}, {CS35L36_ASP_TX5_SEL, 0x00000020}, {CS35L36_ASP_TX6_SEL, 0x00000000}, {CS35L36_SWIRE_P1_TX1_SEL, 0x00000018}, {CS35L36_SWIRE_P1_TX2_SEL, 0x00000019}, {CS35L36_SWIRE_P2_TX1_SEL, 0x00000028}, {CS35L36_SWIRE_P2_TX2_SEL, 0x00000029}, {CS35L36_SWIRE_P2_TX3_SEL, 0x00000020}, {CS35L36_SWIRE_DP1_FIFO_CFG, 0x0000001B}, {CS35L36_SWIRE_DP2_FIFO_CFG, 0x0000001B}, {CS35L36_SWIRE_DP3_FIFO_CFG, 0x0000001B}, {CS35L36_SWIRE_PCM_RX_DATA, 0x00000000}, {CS35L36_SWIRE_FS_SEL, 0x00000001}, {CS35L36_AMP_DIG_VOL_CTRL, 0x00008000}, {CS35L36_VPBR_CFG, 0x02AA1905}, {CS35L36_VBBR_CFG, 0x02AA1905}, {CS35L36_VPBR_STATUS, 0x00000000}, {CS35L36_VBBR_STATUS, 0x00000000}, {CS35L36_OVERTEMP_CFG, 0x00000001}, {CS35L36_AMP_ERR_VOL, 0x00000000}, {CS35L36_CLASSH_CFG, 0x000B0405}, {CS35L36_CLASSH_FET_DRV_CFG, 0x00000111}, {CS35L36_NG_CFG, 0x00000033}, {CS35L36_AMP_GAIN_CTRL, 0x00000273}, {CS35L36_PWM_MOD_IO_CTRL, 0x00000000}, {CS35L36_PWM_MOD_STATUS, 0x00000000}, {CS35L36_DAC_MSM_CFG, 0x00000000}, {CS35L36_AMP_SLOPE_CTRL, 0x00000B00}, {CS35L36_AMP_PDM_VOLUME, 0x00000000}, {CS35L36_AMP_PDM_RATE_CTRL, 0x00000000}, {CS35L36_PDM_CH_SEL, 0x00000000}, {CS35L36_AMP_NG_CTRL, 0x0000212F}, {CS35L36_PDM_HIGHFILT_CTRL, 0x00000000}, {CS35L36_PAC_INT0_CTRL, 0x00000001}, {CS35L36_PAC_INT1_CTRL, 0x00000001}, {CS35L36_PAC_INT2_CTRL, 0x00000001}, {CS35L36_PAC_INT3_CTRL, 0x00000001}, {CS35L36_PAC_INT4_CTRL, 0x00000001}, {CS35L36_PAC_INT5_CTRL, 0x00000001}, {CS35L36_PAC_INT6_CTRL, 0x00000001}, {CS35L36_PAC_INT7_CTRL, 0x00000001}, }; static bool cs35l36_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { case CS35L36_SW_RESET: case CS35L36_SW_REV: case CS35L36_HW_REV: case CS35L36_TESTKEY_CTRL: case CS35L36_USERKEY_CTL: case CS35L36_OTP_MEM30: case CS35L36_OTP_CTRL1: case CS35L36_OTP_CTRL2: case CS35L36_OTP_CTRL3: case CS35L36_OTP_CTRL4: case CS35L36_OTP_CTRL5: case CS35L36_PAC_CTL1: case CS35L36_PAC_CTL2: case CS35L36_PAC_CTL3: case CS35L36_DEVICE_ID: case CS35L36_FAB_ID: case CS35L36_REV_ID: case CS35L36_PWR_CTRL1: case CS35L36_PWR_CTRL2: case CS35L36_PWR_CTRL3: case CS35L36_CTRL_OVRRIDE: case CS35L36_AMP_OUT_MUTE: case CS35L36_OTP_TRIM_STATUS: case CS35L36_DISCH_FILT: case CS35L36_PROTECT_REL_ERR: case CS35L36_PAD_INTERFACE: case CS35L36_PLL_CLK_CTRL: case CS35L36_GLOBAL_CLK_CTRL: case CS35L36_ADC_CLK_CTRL: case CS35L36_SWIRE_CLK_CTRL: case CS35L36_SP_SCLK_CLK_CTRL: case CS35L36_TST_FS_MON0: case CS35L36_MDSYNC_EN: case CS35L36_MDSYNC_TX_ID: case CS35L36_MDSYNC_PWR_CTRL: case CS35L36_MDSYNC_DATA_TX: case CS35L36_MDSYNC_TX_STATUS: case CS35L36_MDSYNC_RX_STATUS: case CS35L36_MDSYNC_ERR_STATUS: case CS35L36_BSTCVRT_VCTRL1: case CS35L36_BSTCVRT_VCTRL2: case CS35L36_BSTCVRT_PEAK_CUR: case CS35L36_BSTCVRT_SFT_RAMP: case CS35L36_BSTCVRT_COEFF: case CS35L36_BSTCVRT_SLOPE_LBST: case CS35L36_BSTCVRT_SW_FREQ: case CS35L36_BSTCVRT_DCM_CTRL: case CS35L36_BSTCVRT_DCM_MODE_FORCE: case CS35L36_BSTCVRT_OVERVOLT_CTRL: case CS35L36_BST_TST_MANUAL: case CS35L36_BST_ANA2_TEST: case CS35L36_VPI_LIMIT_MODE: case CS35L36_VPI_LIMIT_MINMAX: case CS35L36_VPI_VP_THLD: case CS35L36_VPI_TRACK_CTRL: case CS35L36_VPI_TRIG_MODE_CTRL: case CS35L36_VPI_TRIG_STEPS: case CS35L36_VI_SPKMON_FILT: case CS35L36_VI_SPKMON_GAIN: case CS35L36_VI_SPKMON_IP_SEL: case CS35L36_DTEMP_WARN_THLD: case CS35L36_DTEMP_STATUS: case CS35L36_VPVBST_FS_SEL: case CS35L36_VPVBST_VP_CTRL: case CS35L36_VPVBST_VBST_CTRL: case CS35L36_ASP_TX_PIN_CTRL: case CS35L36_ASP_RATE_CTRL: case CS35L36_ASP_FORMAT: case CS35L36_ASP_FRAME_CTRL: case CS35L36_ASP_TX1_TX2_SLOT: case CS35L36_ASP_TX3_TX4_SLOT: case CS35L36_ASP_TX5_TX6_SLOT: case CS35L36_ASP_TX7_TX8_SLOT: case CS35L36_ASP_RX1_SLOT: case CS35L36_ASP_RX_TX_EN: case CS35L36_ASP_RX1_SEL: case CS35L36_ASP_TX1_SEL: case CS35L36_ASP_TX2_SEL: case CS35L36_ASP_TX3_SEL: case CS35L36_ASP_TX4_SEL: case CS35L36_ASP_TX5_SEL: case CS35L36_ASP_TX6_SEL: case CS35L36_SWIRE_P1_TX1_SEL: case CS35L36_SWIRE_P1_TX2_SEL: case CS35L36_SWIRE_P2_TX1_SEL: case CS35L36_SWIRE_P2_TX2_SEL: case CS35L36_SWIRE_P2_TX3_SEL: case CS35L36_SWIRE_DP1_FIFO_CFG: case CS35L36_SWIRE_DP2_FIFO_CFG: case CS35L36_SWIRE_DP3_FIFO_CFG: case CS35L36_SWIRE_PCM_RX_DATA: case CS35L36_SWIRE_FS_SEL: case CS35L36_AMP_DIG_VOL_CTRL: case CS35L36_VPBR_CFG: case CS35L36_VBBR_CFG: case CS35L36_VPBR_STATUS: case CS35L36_VBBR_STATUS: case CS35L36_OVERTEMP_CFG: case CS35L36_AMP_ERR_VOL: case CS35L36_CLASSH_CFG: case CS35L36_CLASSH_FET_DRV_CFG: case CS35L36_NG_CFG: case CS35L36_AMP_GAIN_CTRL: case CS35L36_PWM_MOD_IO_CTRL: case CS35L36_PWM_MOD_STATUS: case CS35L36_DAC_MSM_CFG: case CS35L36_AMP_SLOPE_CTRL: case CS35L36_AMP_PDM_VOLUME: case CS35L36_AMP_PDM_RATE_CTRL: case CS35L36_PDM_CH_SEL: case CS35L36_AMP_NG_CTRL: case CS35L36_PDM_HIGHFILT_CTRL: case CS35L36_INT1_STATUS: case CS35L36_INT2_STATUS: case CS35L36_INT3_STATUS: case CS35L36_INT4_STATUS: case CS35L36_INT1_RAW_STATUS: case CS35L36_INT2_RAW_STATUS: case CS35L36_INT3_RAW_STATUS: case CS35L36_INT4_RAW_STATUS: case CS35L36_INT1_MASK: case CS35L36_INT2_MASK: case CS35L36_INT3_MASK: case CS35L36_INT4_MASK: case CS35L36_INT1_EDGE_LVL_CTRL: case CS35L36_INT3_EDGE_LVL_CTRL: case CS35L36_PAC_INT_STATUS: case CS35L36_PAC_INT_RAW_STATUS: case CS35L36_PAC_INT_FLUSH_CTRL: case CS35L36_PAC_INT0_CTRL: case CS35L36_PAC_INT1_CTRL: case CS35L36_PAC_INT2_CTRL: case CS35L36_PAC_INT3_CTRL: case CS35L36_PAC_INT4_CTRL: case CS35L36_PAC_INT5_CTRL: case CS35L36_PAC_INT6_CTRL: case CS35L36_PAC_INT7_CTRL: return true; default: if (reg >= CS35L36_PAC_PMEM_WORD0 && reg <= CS35L36_PAC_PMEM_WORD1023) return true; else return false; } } static bool cs35l36_precious_reg(struct device *dev, unsigned int reg) { switch (reg) { case CS35L36_TESTKEY_CTRL: case CS35L36_USERKEY_CTL: case CS35L36_TST_FS_MON0: return true; default: return false; } } static bool cs35l36_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case CS35L36_SW_RESET: case CS35L36_SW_REV: case CS35L36_HW_REV: case CS35L36_TESTKEY_CTRL: case CS35L36_USERKEY_CTL: case CS35L36_DEVICE_ID: case CS35L36_FAB_ID: case CS35L36_REV_ID: case CS35L36_INT1_STATUS: case CS35L36_INT2_STATUS: case CS35L36_INT3_STATUS: case CS35L36_INT4_STATUS: case CS35L36_INT1_RAW_STATUS: case CS35L36_INT2_RAW_STATUS: case CS35L36_INT3_RAW_STATUS: case CS35L36_INT4_RAW_STATUS: case CS35L36_INT1_MASK: case CS35L36_INT2_MASK: case CS35L36_INT3_MASK: case CS35L36_INT4_MASK: case CS35L36_INT1_EDGE_LVL_CTRL: case CS35L36_INT3_EDGE_LVL_CTRL: case CS35L36_PAC_INT_STATUS: case CS35L36_PAC_INT_RAW_STATUS: case CS35L36_PAC_INT_FLUSH_CTRL: return true; default: if (reg >= CS35L36_PAC_PMEM_WORD0 && reg <= CS35L36_PAC_PMEM_WORD1023) return true; else return false; } } static const DECLARE_TLV_DB_RANGE(dig_vol_tlv, 0, 912, TLV_DB_MINMAX_ITEM(-10200, 1200)); static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1); static const char * const cs35l36_pcm_sftramp_text[] = { "Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"}; static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp, CS35L36_AMP_DIG_VOL_CTRL, 0, cs35l36_pcm_sftramp_text); static int cs35l36_ldm_sel_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = cs35l36->ldm_mode_sel; return 0; } static int cs35l36_ldm_sel_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); int val = (ucontrol->value.integer.value[0]) ? CS35L36_NG_AMP_EN_MASK : 0; cs35l36->ldm_mode_sel = val; regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, CS35L36_NG_AMP_EN_MASK, val); return 0; } static const struct snd_kcontrol_new cs35l36_aud_controls[] = { SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L36_AMP_DIG_VOL_CTRL, 3, 0x4D0, 0x390, dig_vol_tlv), SOC_SINGLE_TLV("Analog PCM Volume", CS35L36_AMP_GAIN_CTRL, 5, 0x13, 0, amp_gain_tlv), SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp), SOC_SINGLE("Amp Gain Zero-Cross Switch", CS35L36_AMP_GAIN_CTRL, CS35L36_AMP_ZC_SHIFT, 1, 0), SOC_SINGLE("PDM LDM Enter Ramp Switch", CS35L36_DAC_MSM_CFG, CS35L36_PDM_LDM_ENTER_SHIFT, 1, 0), SOC_SINGLE("PDM LDM Exit Ramp Switch", CS35L36_DAC_MSM_CFG, CS35L36_PDM_LDM_EXIT_SHIFT, 1, 0), SOC_SINGLE_BOOL_EXT("LDM Select Switch", 0, cs35l36_ldm_sel_get, cs35l36_ldm_sel_put), }; static int cs35l36_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 cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); u32 reg; switch (event) { case SND_SOC_DAPM_POST_PMU: regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1, CS35L36_GLOBAL_EN_MASK, 1 << CS35L36_GLOBAL_EN_SHIFT); usleep_range(2000, 2100); regmap_read(cs35l36->regmap, CS35L36_INT4_RAW_STATUS, ®); if (WARN_ON_ONCE(reg & CS35L36_PLL_UNLOCK_MASK)) dev_crit(cs35l36->dev, "PLL Unlocked\n"); regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL, CS35L36_PCM_RX_SEL_MASK, CS35L36_PCM_RX_SEL_PCM); regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE, CS35L36_AMP_MUTE_MASK, 0 << CS35L36_AMP_MUTE_SHIFT); break; case SND_SOC_DAPM_PRE_PMD: regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL, CS35L36_PCM_RX_SEL_MASK, CS35L36_PCM_RX_SEL_ZERO); regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE, CS35L36_AMP_MUTE_MASK, 1 << CS35L36_AMP_MUTE_SHIFT); break; case SND_SOC_DAPM_POST_PMD: regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1, CS35L36_GLOBAL_EN_MASK, 0 << CS35L36_GLOBAL_EN_SHIFT); usleep_range(2000, 2100); break; default: dev_dbg(component->dev, "Invalid event = 0x%x\n", event); return -EINVAL; } return 0; } static int cs35l36_boost_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 cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_POST_PMU: if (!cs35l36->pdata.extern_boost) regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2, CS35L36_BST_EN_MASK, CS35L36_BST_EN << CS35L36_BST_EN_SHIFT); break; case SND_SOC_DAPM_POST_PMD: if (!cs35l36->pdata.extern_boost) regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2, CS35L36_BST_EN_MASK, CS35L36_BST_DIS_VP << CS35L36_BST_EN_SHIFT); break; default: dev_dbg(component->dev, "Invalid event = 0x%x\n", event); return -EINVAL; } return 0; } static const char * const cs35l36_chan_text[] = { "RX1", "RX2", }; static SOC_ENUM_SINGLE_DECL(chansel_enum, CS35L36_ASP_RX1_SLOT, 0, cs35l36_chan_text); static const struct snd_kcontrol_new cs35l36_chan_mux = SOC_DAPM_ENUM("Input Mux", chansel_enum); static const struct snd_kcontrol_new amp_enable_ctrl = SOC_DAPM_SINGLE_AUTODISABLE("Switch", CS35L36_AMP_OUT_MUTE, CS35L36_AMP_MUTE_SHIFT, 1, 1); static const struct snd_kcontrol_new boost_ctrl = SOC_DAPM_SINGLE_VIRT("Switch", 1); static const char * const asp_tx_src_text[] = { "Zero Fill", "ASPRX1", "VMON", "IMON", "ERRVOL", "VPMON", "VBSTMON" }; static const unsigned int asp_tx_src_values[] = { 0x00, 0x08, 0x18, 0x19, 0x20, 0x28, 0x29 }; static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx1_src_enum, CS35L36_ASP_TX1_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx1_src = SOC_DAPM_ENUM("ASPTX1SRC", asp_tx1_src_enum); static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx2_src_enum, CS35L36_ASP_TX2_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx2_src = SOC_DAPM_ENUM("ASPTX2SRC", asp_tx2_src_enum); static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx3_src_enum, CS35L36_ASP_TX3_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx3_src = SOC_DAPM_ENUM("ASPTX3SRC", asp_tx3_src_enum); static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx4_src_enum, CS35L36_ASP_TX4_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx4_src = SOC_DAPM_ENUM("ASPTX4SRC", asp_tx4_src_enum); static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx5_src_enum, CS35L36_ASP_TX5_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx5_src = SOC_DAPM_ENUM("ASPTX5SRC", asp_tx5_src_enum); static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx6_src_enum, CS35L36_ASP_TX6_SEL, 0, CS35L36_APS_TX_SEL_MASK, asp_tx_src_text, asp_tx_src_values); static const struct snd_kcontrol_new asp_tx6_src = SOC_DAPM_ENUM("ASPTX6SRC", asp_tx6_src_enum); static const struct snd_soc_dapm_widget cs35l36_dapm_widgets[] = { SND_SOC_DAPM_MUX("Channel Mux", SND_SOC_NOPM, 0, 0, &cs35l36_chan_mux), SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS35L36_ASP_RX_TX_EN, 16, 0), SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L36_PWR_CTRL2, 0, 0, NULL, 0, cs35l36_main_amp_event, SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_OUTPUT("SPK"), SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1, &_enable_ctrl), SND_SOC_DAPM_MIXER("CLASS H", CS35L36_PWR_CTRL3, 4, 0, NULL, 0), SND_SOC_DAPM_SWITCH_E("BOOST Enable", SND_SOC_NOPM, 0, 0, &boost_ctrl, cs35l36_boost_event, SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L36_ASP_RX_TX_EN, 0, 0), SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 1, CS35L36_ASP_RX_TX_EN, 1, 0), SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 2, CS35L36_ASP_RX_TX_EN, 2, 0), SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 3, CS35L36_ASP_RX_TX_EN, 3, 0), SND_SOC_DAPM_AIF_OUT("ASPTX5", NULL, 4, CS35L36_ASP_RX_TX_EN, 4, 0), SND_SOC_DAPM_AIF_OUT("ASPTX6", NULL, 5, CS35L36_ASP_RX_TX_EN, 5, 0), SND_SOC_DAPM_MUX("ASPTX1SRC", SND_SOC_NOPM, 0, 0, &asp_tx1_src), SND_SOC_DAPM_MUX("ASPTX2SRC", SND_SOC_NOPM, 0, 0, &asp_tx2_src), SND_SOC_DAPM_MUX("ASPTX3SRC", SND_SOC_NOPM, 0, 0, &asp_tx3_src), SND_SOC_DAPM_MUX("ASPTX4SRC", SND_SOC_NOPM, 0, 0, &asp_tx4_src), SND_SOC_DAPM_MUX("ASPTX5SRC", SND_SOC_NOPM, 0, 0, &asp_tx5_src), SND_SOC_DAPM_MUX("ASPTX6SRC", SND_SOC_NOPM, 0, 0, &asp_tx6_src), SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L36_PWR_CTRL2, 12, 0), SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L36_PWR_CTRL2, 13, 0), SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L36_PWR_CTRL2, 8, 0), SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L36_PWR_CTRL2, 9, 0), SND_SOC_DAPM_INPUT("VP"), SND_SOC_DAPM_INPUT("VBST"), SND_SOC_DAPM_INPUT("VSENSE"), }; static const struct snd_soc_dapm_route cs35l36_audio_map[] = { {"VPMON ADC", NULL, "VP"}, {"VBSTMON ADC", NULL, "VBST"}, {"IMON ADC", NULL, "VSENSE"}, {"VMON ADC", NULL, "VSENSE"}, {"ASPTX1SRC", "IMON", "IMON ADC"}, {"ASPTX1SRC", "VMON", "VMON ADC"}, {"ASPTX1SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX1SRC", "VPMON", "VPMON ADC"}, {"ASPTX2SRC", "IMON", "IMON ADC"}, {"ASPTX2SRC", "VMON", "VMON ADC"}, {"ASPTX2SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX2SRC", "VPMON", "VPMON ADC"}, {"ASPTX3SRC", "IMON", "IMON ADC"}, {"ASPTX3SRC", "VMON", "VMON ADC"}, {"ASPTX3SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX3SRC", "VPMON", "VPMON ADC"}, {"ASPTX4SRC", "IMON", "IMON ADC"}, {"ASPTX4SRC", "VMON", "VMON ADC"}, {"ASPTX4SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX4SRC", "VPMON", "VPMON ADC"}, {"ASPTX5SRC", "IMON", "IMON ADC"}, {"ASPTX5SRC", "VMON", "VMON ADC"}, {"ASPTX5SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX5SRC", "VPMON", "VPMON ADC"}, {"ASPTX6SRC", "IMON", "IMON ADC"}, {"ASPTX6SRC", "VMON", "VMON ADC"}, {"ASPTX6SRC", "VBSTMON", "VBSTMON ADC"}, {"ASPTX6SRC", "VPMON", "VPMON ADC"}, {"ASPTX1", NULL, "ASPTX1SRC"}, {"ASPTX2", NULL, "ASPTX2SRC"}, {"ASPTX3", NULL, "ASPTX3SRC"}, {"ASPTX4", NULL, "ASPTX4SRC"}, {"ASPTX5", NULL, "ASPTX5SRC"}, {"ASPTX6", NULL, "ASPTX6SRC"}, {"AMP Capture", NULL, "ASPTX1"}, {"AMP Capture", NULL, "ASPTX2"}, {"AMP Capture", NULL, "ASPTX3"}, {"AMP Capture", NULL, "ASPTX4"}, {"AMP Capture", NULL, "ASPTX5"}, {"AMP Capture", NULL, "ASPTX6"}, {"AMP Enable", "Switch", "AMP Playback"}, {"SDIN", NULL, "AMP Enable"}, {"Channel Mux", "RX1", "SDIN"}, {"Channel Mux", "RX2", "SDIN"}, {"BOOST Enable", "Switch", "Channel Mux"}, {"CLASS H", NULL, "BOOST Enable"}, {"Main AMP", NULL, "Channel Mux"}, {"Main AMP", NULL, "CLASS H"}, {"SPK", NULL, "Main AMP"}, }; static int cs35l36_set_dai_fmt(struct snd_soc_dai *component_dai, unsigned int fmt) { struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component_dai->component); unsigned int asp_fmt, lrclk_fmt, sclk_fmt, clock_provider, clk_frc; switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_CBP_CFP: clock_provider = 1; break; case SND_SOC_DAIFMT_CBC_CFC: clock_provider = 0; break; default: return -EINVAL; } regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL, CS35L36_SCLK_MSTR_MASK, clock_provider << CS35L36_SCLK_MSTR_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL, CS35L36_LRCLK_MSTR_MASK, clock_provider << CS35L36_LRCLK_MSTR_SHIFT); switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) { case SND_SOC_DAIFMT_CONT: clk_frc = 1; break; case SND_SOC_DAIFMT_GATED: clk_frc = 0; break; default: return -EINVAL; } regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL, CS35L36_SCLK_FRC_MASK, clk_frc << CS35L36_SCLK_FRC_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL, CS35L36_LRCLK_FRC_MASK, clk_frc << CS35L36_LRCLK_FRC_SHIFT); switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: asp_fmt = 0; break; case SND_SOC_DAIFMT_I2S: asp_fmt = 2; break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_IF: lrclk_fmt = 1; sclk_fmt = 0; break; case SND_SOC_DAIFMT_IB_NF: lrclk_fmt = 0; sclk_fmt = 1; break; case SND_SOC_DAIFMT_IB_IF: lrclk_fmt = 1; sclk_fmt = 1; break; case SND_SOC_DAIFMT_NB_NF: lrclk_fmt = 0; sclk_fmt = 0; break; default: return -EINVAL; } regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL, CS35L36_LRCLK_INV_MASK, lrclk_fmt << CS35L36_LRCLK_INV_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL, CS35L36_SCLK_INV_MASK, sclk_fmt << CS35L36_SCLK_INV_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FORMAT, CS35L36_ASP_FMT_MASK, asp_fmt); return 0; } struct cs35l36_global_fs_config { int rate; int fs_cfg; }; static const struct cs35l36_global_fs_config cs35l36_fs_rates[] = { {12000, 0x01}, {24000, 0x02}, {48000, 0x03}, {96000, 0x04}, {192000, 0x05}, {384000, 0x06}, {11025, 0x09}, {22050, 0x0A}, {44100, 0x0B}, {88200, 0x0C}, {176400, 0x0D}, {8000, 0x11}, {16000, 0x12}, {32000, 0x13}, }; static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(dai->component); unsigned int asp_width, global_fs = params_rate(params); int i; for (i = 0; i < ARRAY_SIZE(cs35l36_fs_rates); i++) { if (global_fs == cs35l36_fs_rates[i].rate) regmap_update_bits(cs35l36->regmap, CS35L36_GLOBAL_CLK_CTRL, CS35L36_GLOBAL_FS_MASK, cs35l36_fs_rates[i].fs_cfg << CS35L36_GLOBAL_FS_SHIFT); } switch (params_width(params)) { case 16: asp_width = CS35L36_ASP_WIDTH_16; break; case 24: asp_width = CS35L36_ASP_WIDTH_24; break; case 32: asp_width = CS35L36_ASP_WIDTH_32; break; default: return -EINVAL; } if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL, CS35L36_ASP_RX_WIDTH_MASK, asp_width << CS35L36_ASP_RX_WIDTH_SHIFT); } else { regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL, CS35L36_ASP_TX_WIDTH_MASK, asp_width << CS35L36_ASP_TX_WIDTH_SHIFT); } return 0; } static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_component *component = dai->component; struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); int fs1, fs2; if (freq > CS35L36_FS_NOM_6MHZ) { fs1 = CS35L36_FS1_DEFAULT_VAL; fs2 = CS35L36_FS2_DEFAULT_VAL; } else { fs1 = 3 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4; fs2 = 5 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4; } regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2); regmap_update_bits(cs35l36->regmap, CS35L36_TST_FS_MON0, CS35L36_FS1_WINDOW_MASK | CS35L36_FS2_WINDOW_MASK, fs1 | (fs2 << CS35L36_FS2_WINDOW_SHIFT)); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2); return 0; } static const struct cs35l36_pll_config *cs35l36_get_clk_config( struct cs35l36_private *cs35l36, int freq) { int i; for (i = 0; i < ARRAY_SIZE(cs35l36_pll_sysclk); i++) { if (cs35l36_pll_sysclk[i].freq == freq) return &cs35l36_pll_sysclk[i]; } return NULL; } static const unsigned int cs35l36_src_rates[] = { 8000, 12000, 11025, 16000, 22050, 24000, 32000, 44100, 48000, 88200, 96000, 176400, 192000, 384000 }; static const struct snd_pcm_hw_constraint_list cs35l36_constraints = { .count = ARRAY_SIZE(cs35l36_src_rates), .list = cs35l36_src_rates, }; static int cs35l36_pcm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &cs35l36_constraints); return 0; } static const struct snd_soc_dai_ops cs35l36_ops = { .startup = cs35l36_pcm_startup, .set_fmt = cs35l36_set_dai_fmt, .hw_params = cs35l36_pcm_hw_params, .set_sysclk = cs35l36_dai_set_sysclk, }; static struct snd_soc_dai_driver cs35l36_dai[] = { { .name = "cs35l36-pcm", .id = 0, .playback = { .stream_name = "AMP Playback", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_KNOT, .formats = CS35L36_RX_FORMATS, }, .capture = { .stream_name = "AMP Capture", .channels_min = 1, .channels_max = 8, .rates = SNDRV_PCM_RATE_KNOT, .formats = CS35L36_TX_FORMATS, }, .ops = &cs35l36_ops, .symmetric_rate = 1, }, }; static int cs35l36_component_set_sysclk(struct snd_soc_component *component, int clk_id, int source, unsigned int freq, int dir) { struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); const struct cs35l36_pll_config *clk_cfg; int prev_clksrc; bool pdm_switch; prev_clksrc = cs35l36->clksrc; switch (clk_id) { case 0: cs35l36->clksrc = CS35L36_PLLSRC_SCLK; break; case 1: cs35l36->clksrc = CS35L36_PLLSRC_LRCLK; break; case 2: cs35l36->clksrc = CS35L36_PLLSRC_PDMCLK; break; case 3: cs35l36->clksrc = CS35L36_PLLSRC_SELF; break; case 4: cs35l36->clksrc = CS35L36_PLLSRC_MCLK; break; default: return -EINVAL; } clk_cfg = cs35l36_get_clk_config(cs35l36, freq); if (clk_cfg == NULL) { dev_err(component->dev, "Invalid CLK Config Freq: %d\n", freq); return -EINVAL; } regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_PLL_OPENLOOP_MASK, 1 << CS35L36_PLL_OPENLOOP_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_REFCLK_FREQ_MASK, clk_cfg->clk_cfg << CS35L36_REFCLK_FREQ_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_PLL_REFCLK_EN_MASK, 0 << CS35L36_PLL_REFCLK_EN_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_PLL_CLK_SEL_MASK, cs35l36->clksrc); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_PLL_OPENLOOP_MASK, 0 << CS35L36_PLL_OPENLOOP_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL, CS35L36_PLL_REFCLK_EN_MASK, 1 << CS35L36_PLL_REFCLK_EN_SHIFT); if (cs35l36->rev_id == CS35L36_REV_A0) { regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2); regmap_write(cs35l36->regmap, CS35L36_DCO_CTRL, 0x00036DA8); regmap_write(cs35l36->regmap, CS35L36_MISC_CTRL, 0x0100EE0E); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS, CS35L36_PLL_IGAIN_MASK, CS35L36_PLL_IGAIN << CS35L36_PLL_IGAIN_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS, CS35L36_PLL_FFL_IGAIN_MASK, clk_cfg->fll_igain); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2); } if (cs35l36->clksrc == CS35L36_PLLSRC_PDMCLK) { pdm_switch = cs35l36->ldm_mode_sel && (prev_clksrc != CS35L36_PLLSRC_PDMCLK); if (pdm_switch) regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, CS35L36_NG_DELAY_MASK, 0 << CS35L36_NG_DELAY_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG, CS35L36_PDM_MODE_MASK, 1 << CS35L36_PDM_MODE_SHIFT); if (pdm_switch) regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, CS35L36_NG_DELAY_MASK, 3 << CS35L36_NG_DELAY_SHIFT); } else { pdm_switch = cs35l36->ldm_mode_sel && (prev_clksrc == CS35L36_PLLSRC_PDMCLK); if (pdm_switch) regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, CS35L36_NG_DELAY_MASK, 0 << CS35L36_NG_DELAY_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG, CS35L36_PDM_MODE_MASK, 0 << CS35L36_PDM_MODE_SHIFT); if (pdm_switch) regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG, CS35L36_NG_DELAY_MASK, 3 << CS35L36_NG_DELAY_SHIFT); } return 0; } static int cs35l36_boost_inductor(struct cs35l36_private *cs35l36, int inductor) { regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF, CS35L36_BSTCVRT_K1_MASK, 0x3C); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF, CS35L36_BSTCVRT_K2_MASK, 0x3C << CS35L36_BSTCVRT_K2_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SW_FREQ, CS35L36_BSTCVRT_CCMFREQ_MASK, 0x00); switch (inductor) { case 1000: /* 1 uH */ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST, CS35L36_BSTCVRT_SLOPE_MASK, 0x75 << CS35L36_BSTCVRT_SLOPE_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST, CS35L36_BSTCVRT_LBSTVAL_MASK, 0x00); break; case 1200: /* 1.2 uH */ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST, CS35L36_BSTCVRT_SLOPE_MASK, 0x6B << CS35L36_BSTCVRT_SLOPE_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST, CS35L36_BSTCVRT_LBSTVAL_MASK, 0x01); break; default: dev_err(cs35l36->dev, "%s Invalid Inductor Value %d uH\n", __func__, inductor); return -EINVAL; } return 0; } static int cs35l36_component_probe(struct snd_soc_component *component) { struct cs35l36_private *cs35l36 = snd_soc_component_get_drvdata(component); int ret; if ((cs35l36->rev_id == CS35L36_REV_A0) && cs35l36->pdata.dcm_mode) { regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_DCM_CTRL, CS35L36_DCM_AUTO_MASK, CS35L36_DCM_AUTO_MASK); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2); regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL, CS35L36_BST_MAN_IPKCOMP_MASK, 0 << CS35L36_BST_MAN_IPKCOMP_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL, CS35L36_BST_MAN_IPKCOMP_EN_MASK, CS35L36_BST_MAN_IPKCOMP_EN_MASK); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2); } if (cs35l36->pdata.amp_pcm_inv) regmap_update_bits(cs35l36->regmap, CS35L36_AMP_DIG_VOL_CTRL, CS35L36_AMP_PCM_INV_MASK, CS35L36_AMP_PCM_INV_MASK); if (cs35l36->pdata.multi_amp_mode) regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL, CS35L36_ASP_TX_HIZ_MASK, CS35L36_ASP_TX_HIZ_MASK); if (cs35l36->pdata.imon_pol_inv) regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT, CS35L36_IMON_POL_MASK, 0); if (cs35l36->pdata.vmon_pol_inv) regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT, CS35L36_VMON_POL_MASK, 0); if (cs35l36->pdata.bst_vctl) regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1, CS35L35_BSTCVRT_CTL_MASK, cs35l36->pdata.bst_vctl); if (cs35l36->pdata.bst_vctl_sel) regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2, CS35L35_BSTCVRT_CTL_SEL_MASK, cs35l36->pdata.bst_vctl_sel); if (cs35l36->pdata.bst_ipk) regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_PEAK_CUR, CS35L36_BST_IPK_MASK, cs35l36->pdata.bst_ipk); if (cs35l36->pdata.boost_ind) { ret = cs35l36_boost_inductor(cs35l36, cs35l36->pdata.boost_ind); if (ret < 0) { dev_err(cs35l36->dev, "Boost inductor config failed(%d)\n", ret); return ret; } } if (cs35l36->pdata.temp_warn_thld) regmap_update_bits(cs35l36->regmap, CS35L36_DTEMP_WARN_THLD, CS35L36_TEMP_THLD_MASK, cs35l36->pdata.temp_warn_thld); if (cs35l36->pdata.irq_drv_sel) regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE, CS35L36_INT_DRV_SEL_MASK, cs35l36->pdata.irq_drv_sel << CS35L36_INT_DRV_SEL_SHIFT); if (cs35l36->pdata.irq_gpio_sel) regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE, CS35L36_INT_GPIO_SEL_MASK, cs35l36->pdata.irq_gpio_sel << CS35L36_INT_GPIO_SEL_SHIFT); /* * Rev B0 has 2 versions * L36 is 10V * L37 is 12V * If L36 we need to clamp some values for safety * after probe has setup dt values. We want to make * sure we dont miss any values set in probe */ if (cs35l36->chip_version == CS35L36_10V_L36) { regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_OVERVOLT_CTRL, CS35L36_BST_OVP_THLD_MASK, CS35L36_BST_OVP_THLD_11V); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2); regmap_update_bits(cs35l36->regmap, CS35L36_BST_ANA2_TEST, CS35L36_BST_OVP_TRIM_MASK, CS35L36_BST_OVP_TRIM_11V << CS35L36_BST_OVP_TRIM_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2, CS35L36_BST_CTRL_LIM_MASK, 1 << CS35L36_BST_CTRL_LIM_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1, CS35L35_BSTCVRT_CTL_MASK, CS35L36_BST_CTRL_10V_CLAMP); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2); } /* * RevA and B require the disabling of * SYNC_GLOBAL_OVR when GLOBAL_EN = 0. * Just turn it off from default */ regmap_update_bits(cs35l36->regmap, CS35L36_CTRL_OVRRIDE, CS35L36_SYNC_GLOBAL_OVR_MASK, 0 << CS35L36_SYNC_GLOBAL_OVR_SHIFT); return 0; } static const struct snd_soc_component_driver soc_component_dev_cs35l36 = { .probe = &cs35l36_component_probe, .set_sysclk = cs35l36_component_set_sysclk, .dapm_widgets = cs35l36_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(cs35l36_dapm_widgets), .dapm_routes = cs35l36_audio_map, .num_dapm_routes = ARRAY_SIZE(cs35l36_audio_map), .controls = cs35l36_aud_controls, .num_controls = ARRAY_SIZE(cs35l36_aud_controls), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, }; static struct regmap_config cs35l36_regmap = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, .max_register = CS35L36_PAC_PMEM_WORD1023, .reg_defaults = cs35l36_reg, .num_reg_defaults = ARRAY_SIZE(cs35l36_reg), .precious_reg = cs35l36_precious_reg, .volatile_reg = cs35l36_volatile_reg, .readable_reg = cs35l36_readable_reg, .cache_type = REGCACHE_MAPLE, }; static irqreturn_t cs35l36_irq(int irq, void *data) { struct cs35l36_private *cs35l36 = data; unsigned int status[4]; unsigned int masks[4]; int ret = IRQ_NONE; /* ack the irq by reading all status registers */ regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_STATUS, status, ARRAY_SIZE(status)); regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_MASK, masks, ARRAY_SIZE(masks)); /* 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; } /* * The following interrupts require a * protection release cycle to get the * speaker out of Safe-Mode. */ if (status[2] & CS35L36_AMP_SHORT_ERR) { dev_crit(cs35l36->dev, "Amp short error\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_AMP_SHORT_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_AMP_SHORT_ERR_RLS, CS35L36_AMP_SHORT_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_AMP_SHORT_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT3_STATUS, CS35L36_AMP_SHORT_ERR, CS35L36_AMP_SHORT_ERR); ret = IRQ_HANDLED; } if (status[0] & CS35L36_TEMP_WARN) { dev_crit(cs35l36->dev, "Over temperature warning\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_WARN_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_WARN_ERR_RLS, CS35L36_TEMP_WARN_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_WARN_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS, CS35L36_TEMP_WARN, CS35L36_TEMP_WARN); ret = IRQ_HANDLED; } if (status[0] & CS35L36_TEMP_ERR) { dev_crit(cs35l36->dev, "Over temperature error\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS, CS35L36_TEMP_ERR, CS35L36_TEMP_ERR); ret = IRQ_HANDLED; } if (status[0] & CS35L36_BST_OVP_ERR) { dev_crit(cs35l36->dev, "VBST Over Voltage error\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_TEMP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS, CS35L36_BST_OVP_ERR, CS35L36_BST_OVP_ERR); ret = IRQ_HANDLED; } if (status[0] & CS35L36_BST_DCM_UVP_ERR) { dev_crit(cs35l36->dev, "DCM VBST Under Voltage Error\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_UVP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_UVP_ERR_RLS, CS35L36_BST_UVP_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_UVP_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS, CS35L36_BST_DCM_UVP_ERR, CS35L36_BST_DCM_UVP_ERR); ret = IRQ_HANDLED; } if (status[0] & CS35L36_BST_SHORT_ERR) { dev_crit(cs35l36->dev, "LBST SHORT error!\n"); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_SHORT_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_SHORT_ERR_RLS, CS35L36_BST_SHORT_ERR_RLS); regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR, CS35L36_BST_SHORT_ERR_RLS, 0); regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS, CS35L36_BST_SHORT_ERR, CS35L36_BST_SHORT_ERR); ret = IRQ_HANDLED; } return ret; } static int cs35l36_handle_of_data(struct i2c_client *i2c_client, struct cs35l36_platform_data *pdata) { struct device_node *np = i2c_client->dev.of_node; struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config; struct device_node *vpbr_node; unsigned int val; int ret; if (!np) return 0; ret = of_property_read_u32(np, "cirrus,boost-ctl-millivolt", &val); if (!ret) { if (val < 2550 || val > 12000) { dev_err(&i2c_client->dev, "Invalid Boost Voltage %d mV\n", val); return -EINVAL; } pdata->bst_vctl = (((val - 2550) / 100) + 1) << 1; } else { dev_err(&i2c_client->dev, "Unable to find required parameter 'cirrus,boost-ctl-millivolt'"); return -EINVAL; } ret = of_property_read_u32(np, "cirrus,boost-ctl-select", &val); if (!ret) pdata->bst_vctl_sel = val | CS35L36_VALID_PDATA; ret = of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val); if (!ret) { if (val < 1600 || val > 4500) { dev_err(&i2c_client->dev, "Invalid Boost Peak Current %u mA\n", val); return -EINVAL; } pdata->bst_ipk = (val - 1600) / 50; } else { dev_err(&i2c_client->dev, "Unable to find required parameter 'cirrus,boost-peak-milliamp'"); return -EINVAL; } pdata->multi_amp_mode = of_property_read_bool(np, "cirrus,multi-amp-mode"); pdata->dcm_mode = of_property_read_bool(np, "cirrus,dcm-mode-enable"); pdata->amp_pcm_inv = of_property_read_bool(np, "cirrus,amp-pcm-inv"); pdata->imon_pol_inv = of_property_read_bool(np, "cirrus,imon-pol-inv"); pdata->vmon_pol_inv = of_property_read_bool(np, "cirrus,vmon-pol-inv"); if (of_property_read_u32(np, "cirrus,temp-warn-threshold", &val) >= 0) pdata->temp_warn_thld = val | CS35L36_VALID_PDATA; if (of_property_read_u32(np, "cirrus,boost-ind-nanohenry", &val) >= 0) { pdata->boost_ind = val; } else { dev_err(&i2c_client->dev, "Inductor not specified.\n"); return -EINVAL; } if (of_property_read_u32(np, "cirrus,irq-drive-select", &val) >= 0) pdata->irq_drv_sel = val | CS35L36_VALID_PDATA; if (of_property_read_u32(np, "cirrus,irq-gpio-select", &val) >= 0) pdata->irq_gpio_sel = val | CS35L36_VALID_PDATA; /* VPBR Config */ vpbr_node = of_get_child_by_name(np, "cirrus,vpbr-config"); vpbr_config->is_present = vpbr_node ? true : false; if (vpbr_config->is_present) { if (of_property_read_u32(vpbr_node, "cirrus,vpbr-en", &val) >= 0) vpbr_config->vpbr_en = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-thld", &val) >= 0) vpbr_config->vpbr_thld = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-rate", &val) >= 0) vpbr_config->vpbr_atk_rate = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-vol", &val) >= 0) vpbr_config->vpbr_atk_vol = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-max-attn", &val) >= 0) vpbr_config->vpbr_max_attn = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-wait", &val) >= 0) vpbr_config->vpbr_wait = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-rel-rate", &val) >= 0) vpbr_config->vpbr_rel_rate = val; if (of_property_read_u32(vpbr_node, "cirrus,vpbr-mute-en", &val) >= 0) vpbr_config->vpbr_mute_en = val; } of_node_put(vpbr_node); return 0; } static int cs35l36_pac(struct cs35l36_private *cs35l36) { int ret, count; unsigned int val; if (cs35l36->rev_id != CS35L36_REV_B0) return 0; /* * Magic code for internal PAC */ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2); usleep_range(9500, 10500); regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1, CS35L36_PAC_RESET); regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3, CS35L36_PAC_MEM_ACCESS); regmap_write(cs35l36->regmap, CS35L36_PAC_PMEM_WORD0, CS35L36_B0_PAC_PATCH); regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3, CS35L36_PAC_MEM_ACCESS_CLR); regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1, CS35L36_PAC_ENABLE_MASK); usleep_range(9500, 10500); ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS, &val); if (ret < 0) { dev_err(cs35l36->dev, "Failed to read int4_status %d\n", ret); return ret; } count = 0; while (!(val & CS35L36_MCU_CONFIG_CLR)) { usleep_range(100, 200); count++; ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS, &val); if (ret < 0) { dev_err(cs35l36->dev, "Failed to read int4_status %d\n", ret); return ret; } if (count >= 100) return -EINVAL; } regmap_write(cs35l36->regmap, CS35L36_INT4_STATUS, CS35L36_MCU_CONFIG_CLR); regmap_update_bits(cs35l36->regmap, CS35L36_PAC_CTL1, CS35L36_PAC_ENABLE_MASK, 0); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1); regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2); return 0; } static void cs35l36_apply_vpbr_config(struct cs35l36_private *cs35l36) { struct cs35l36_platform_data *pdata = &cs35l36->pdata; struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config; regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL3, CS35L36_VPBR_EN_MASK, vpbr_config->vpbr_en << CS35L36_VPBR_EN_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_THLD_MASK, vpbr_config->vpbr_thld << CS35L36_VPBR_THLD_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_MAX_ATTN_MASK, vpbr_config->vpbr_max_attn << CS35L36_VPBR_MAX_ATTN_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_ATK_VOL_MASK, vpbr_config->vpbr_atk_vol << CS35L36_VPBR_ATK_VOL_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_ATK_RATE_MASK, vpbr_config->vpbr_atk_rate << CS35L36_VPBR_ATK_RATE_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_WAIT_MASK, vpbr_config->vpbr_wait << CS35L36_VPBR_WAIT_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_REL_RATE_MASK, vpbr_config->vpbr_rel_rate << CS35L36_VPBR_REL_RATE_SHIFT); regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG, CS35L36_VPBR_MUTE_EN_MASK, vpbr_config->vpbr_mute_en << CS35L36_VPBR_MUTE_EN_SHIFT); } static const struct reg_sequence cs35l36_reva0_errata_patch[] = { { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 }, /* Errata Writes */ { CS35L36_OTP_CTRL1, 0x00002060 }, { CS35L36_OTP_CTRL2, 0x00000001 }, { CS35L36_OTP_CTRL1, 0x00002460 }, { CS35L36_OTP_CTRL2, 0x00000001 }, { 0x00002088, 0x012A1838 }, { 0x00003014, 0x0100EE0E }, { 0x00003008, 0x0008184A }, { 0x00007418, 0x509001C8 }, { 0x00007064, 0x0929A800 }, { 0x00002D10, 0x0002C01C }, { 0x0000410C, 0x00000A11 }, { 0x00006E08, 0x8B19140C }, { 0x00006454, 0x0300000A }, { CS35L36_AMP_NG_CTRL, 0x000020EF }, { 0x00007E34, 0x0000000E }, { 0x0000410C, 0x00000A11 }, { 0x00007410, 0x20514B00 }, /* PAC Config */ { CS35L36_CTRL_OVRRIDE, 0x00000000 }, { CS35L36_PAC_INT0_CTRL, 0x00860001 }, { CS35L36_PAC_INT1_CTRL, 0x00860001 }, { CS35L36_PAC_INT2_CTRL, 0x00860001 }, { CS35L36_PAC_INT3_CTRL, 0x00860001 }, { CS35L36_PAC_INT4_CTRL, 0x00860001 }, { CS35L36_PAC_INT5_CTRL, 0x00860001 }, { CS35L36_PAC_INT6_CTRL, 0x00860001 }, { CS35L36_PAC_INT7_CTRL, 0x00860001 }, { CS35L36_PAC_INT_FLUSH_CTRL, 0x000000FF }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 }, }; static const struct reg_sequence cs35l36_revb0_errata_patch[] = { { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 }, { 0x00007064, 0x0929A800 }, { 0x00007850, 0x00002FA9 }, { 0x00007854, 0x0003F1D5 }, { 0x00007858, 0x0003F5E3 }, { 0x0000785C, 0x00001137 }, { 0x00007860, 0x0001A7A5 }, { 0x00007864, 0x0002F16A }, { 0x00007868, 0x00003E21 }, { 0x00007848, 0x00000001 }, { 0x00003854, 0x05180240 }, { 0x00007418, 0x509001C8 }, { 0x0000394C, 0x028764BD }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 }, { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 }, }; static int cs35l36_i2c_probe(struct i2c_client *i2c_client) { struct cs35l36_private *cs35l36; struct device *dev = &i2c_client->dev; struct cs35l36_platform_data *pdata = dev_get_platdata(dev); struct irq_data *irq_d; int ret, irq_pol, chip_irq_pol, i; u32 reg_id, reg_revid, l37_id_reg; cs35l36 = devm_kzalloc(dev, sizeof(struct cs35l36_private), GFP_KERNEL); if (!cs35l36) return -ENOMEM; cs35l36->dev = dev; i2c_set_clientdata(i2c_client, cs35l36); cs35l36->regmap = devm_regmap_init_i2c(i2c_client, &cs35l36_regmap); if (IS_ERR(cs35l36->regmap)) { ret = PTR_ERR(cs35l36->regmap); dev_err(dev, "regmap_init() failed: %d\n", ret); return ret; } cs35l36->num_supplies = ARRAY_SIZE(cs35l36_supplies); for (i = 0; i < ARRAY_SIZE(cs35l36_supplies); i++) cs35l36->supplies[i].supply = cs35l36_supplies[i]; ret = devm_regulator_bulk_get(dev, cs35l36->num_supplies, cs35l36->supplies); if (ret != 0) { dev_err(dev, "Failed to request core supplies: %d\n", ret); return ret; } if (pdata) { cs35l36->pdata = *pdata; } else { pdata = devm_kzalloc(dev, sizeof(struct cs35l36_platform_data), GFP_KERNEL); if (!pdata) return -ENOMEM; if (i2c_client->dev.of_node) { ret = cs35l36_handle_of_data(i2c_client, pdata); if (ret != 0) return ret; } cs35l36->pdata = *pdata; } ret = regulator_bulk_enable(cs35l36->num_supplies, cs35l36->supplies); if (ret != 0) { dev_err(dev, "Failed to enable core supplies: %d\n", ret); return ret; } /* returning NULL can be an option if in stereo mode */ cs35l36->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(cs35l36->reset_gpio)) { ret = PTR_ERR(cs35l36->reset_gpio); cs35l36->reset_gpio = NULL; if (ret == -EBUSY) { dev_info(dev, "Reset line busy, assuming shared reset\n"); } else { dev_err(dev, "Failed to get reset GPIO: %d\n", ret); goto err_disable_regs; } } if (cs35l36->reset_gpio) gpiod_set_value_cansleep(cs35l36->reset_gpio, 1); usleep_range(2000, 2100); /* initialize amplifier */ ret = regmap_read(cs35l36->regmap, CS35L36_SW_RESET, ®_id); if (ret < 0) { dev_err(dev, "Get Device ID failed %d\n", ret); goto err; } if (reg_id != CS35L36_CHIP_ID) { dev_err(dev, "Device ID (%X). Expected ID %X\n", reg_id, CS35L36_CHIP_ID); ret = -ENODEV; goto err; } ret = regmap_read(cs35l36->regmap, CS35L36_REV_ID, ®_revid); if (ret < 0) { dev_err(&i2c_client->dev, "Get Revision ID failed %d\n", ret); goto err; } cs35l36->rev_id = reg_revid >> 8; ret = regmap_read(cs35l36->regmap, CS35L36_OTP_MEM30, &l37_id_reg); if (ret < 0) { dev_err(&i2c_client->dev, "Failed to read otp_id Register %d\n", ret); goto err; } if ((l37_id_reg & CS35L36_OTP_REV_MASK) == CS35L36_OTP_REV_L37) cs35l36->chip_version = CS35L36_12V_L37; else cs35l36->chip_version = CS35L36_10V_L36; switch (cs35l36->rev_id) { case CS35L36_REV_A0: ret = regmap_register_patch(cs35l36->regmap, cs35l36_reva0_errata_patch, ARRAY_SIZE(cs35l36_reva0_errata_patch)); if (ret < 0) { dev_err(dev, "Failed to apply A0 errata patch %d\n", ret); goto err; } break; case CS35L36_REV_B0: ret = cs35l36_pac(cs35l36); if (ret < 0) { dev_err(dev, "Failed to Trim OTP %d\n", ret); goto err; } ret = regmap_register_patch(cs35l36->regmap, cs35l36_revb0_errata_patch, ARRAY_SIZE(cs35l36_revb0_errata_patch)); if (ret < 0) { dev_err(dev, "Failed to apply B0 errata patch %d\n", ret); goto err; } break; } if (pdata->vpbr_config.is_present) cs35l36_apply_vpbr_config(cs35l36); irq_d = irq_get_irq_data(i2c_client->irq); if (!irq_d) { dev_err(&i2c_client->dev, "Invalid IRQ: %d\n", i2c_client->irq); ret = -ENODEV; goto err; } irq_pol = irqd_get_trigger_type(irq_d); switch (irq_pol) { case IRQF_TRIGGER_FALLING: case IRQF_TRIGGER_LOW: chip_irq_pol = 0; break; case IRQF_TRIGGER_RISING: case IRQF_TRIGGER_HIGH: chip_irq_pol = 1; break; default: dev_err(cs35l36->dev, "Invalid IRQ polarity: %d\n", irq_pol); ret = -EINVAL; goto err; } regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE, CS35L36_INT_POL_SEL_MASK, chip_irq_pol << CS35L36_INT_POL_SEL_SHIFT); ret = devm_request_threaded_irq(dev, i2c_client->irq, NULL, cs35l36_irq, IRQF_ONESHOT | irq_pol, "cs35l36", cs35l36); if (ret != 0) { dev_err(dev, "Failed to request IRQ: %d\n", ret); goto err; } regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE, CS35L36_INT_OUTPUT_EN_MASK, 1); /* Set interrupt masks for critical errors */ regmap_write(cs35l36->regmap, CS35L36_INT1_MASK, CS35L36_INT1_MASK_DEFAULT); regmap_write(cs35l36->regmap, CS35L36_INT3_MASK, CS35L36_INT3_MASK_DEFAULT); dev_info(&i2c_client->dev, "Cirrus Logic CS35L%d, Revision: %02X\n", cs35l36->chip_version, reg_revid >> 8); ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l36, cs35l36_dai, ARRAY_SIZE(cs35l36_dai)); if (ret < 0) { dev_err(dev, "%s: Register component failed %d\n", __func__, ret); goto err; } return 0; err: gpiod_set_value_cansleep(cs35l36->reset_gpio, 0); err_disable_regs: regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies); return ret; } static void cs35l36_i2c_remove(struct i2c_client *client) { struct cs35l36_private *cs35l36 = i2c_get_clientdata(client); /* Reset interrupt masks for device removal */ regmap_write(cs35l36->regmap, CS35L36_INT1_MASK, CS35L36_INT1_MASK_RESET); regmap_write(cs35l36->regmap, CS35L36_INT3_MASK, CS35L36_INT3_MASK_RESET); if (cs35l36->reset_gpio) gpiod_set_value_cansleep(cs35l36->reset_gpio, 0); regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies); } static const struct of_device_id cs35l36_of_match[] = { {.compatible = "cirrus,cs35l36"}, {}, }; MODULE_DEVICE_TABLE(of, cs35l36_of_match); static const struct i2c_device_id cs35l36_id[] = { {"cs35l36", 0}, {} }; MODULE_DEVICE_TABLE(i2c, cs35l36_id); static struct i2c_driver cs35l36_i2c_driver = { .driver = { .name = "cs35l36", .of_match_table = cs35l36_of_match, }, .id_table = cs35l36_id, .probe = cs35l36_i2c_probe, .remove = cs35l36_i2c_remove, }; module_i2c_driver(cs35l36_i2c_driver); MODULE_DESCRIPTION("ASoC CS35L36 driver"); MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>"); MODULE_LICENSE("GPL");
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