/**************************************************************************** * drivers/audio/wm8904.h * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Reference: * "WM8904 Ultra Low Power CODEC for Portable Audio Applications, Pre- * Production", September 2012, Rev 3.3, Wolfson Microelectronics * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __DRIVERS_AUDIO_WM8904_H #define __DRIVERS_AUDIO_WM8904_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #ifdef CONFIG_AUDIO /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /* So far, I have not been able to get FLL lock interrupts. Worse, I have * been able to get the FLL to claim that it is locked at all even when * polling. What am I doing wrong? * * Hmmm.. seems unnecessary anyway */ #undef WM8904_USE_FFLOCK_INT #undef WM8904_USE_FFLOCK_POLL /* Registers Addresses ******************************************************/ #define WM8904_SWRST 0x00 /* SW Reset and ID */ #define WM8904_ID 0x00 /* SW Reset and ID */ #define WM8904_BIAS_CTRL 0x04 /* Bias Control */ #define WM8904_VMID_CTRL 0x05 /* VMID Control */ #define WM8904_MIC_BIAS_CTRL0 0x06 /* Mic Bias Control 0 */ #define WM8904_MIC_BIAS_CTRL1 0x07 /* Mic Bias Control 1 */ #define WM8904_ANALOG_ADC 0x0a /* Analogue ADC */ #define WM8904_PM0 0x0c /* Power Management 0 */ #define WM8904_PM2 0x0e /* Power Management 2 */ #define WM8904_PM3 0x0f /* Power Management 3 */ #define WM8904_PM6 0x12 /* Power Management 6 */ #define WM8904_CLKRATE0 0x14 /* Clock Rates 0 */ #define WM8904_CLKRATE1 0x15 /* Clock Rates 1 */ #define WM8904_CLKRATE2 0x16 /* Clock Rates 2 */ #define WM8904_AIF0 0x18 /* Audio Interface 0 */ #define WM8904_AIF1 0x19 /* Audio Interface 1 */ #define WM8904_AIF2 0x1a /* Audio Interface 2 */ #define WM8904_AIF3 0x1b /* Audio Interface 3 */ #define WM8904_DAC_VOL_LEFT 0x1e /* DAC Digital Volume Left */ #define WM8904_DAC_VOL_RIGHT 0x1f /* DAC Digital Volume Right */ #define WM8904_DAC_DIGI0 0x20 /* DAC Digital 0 */ #define WM8904_DAC_DIGI1 0x21 /* DAC Digital 1 */ #define WM8904_ADC_VOL_LEFT 0x24 /* ADC Digital Volume Left */ #define WM8904_ADC_VOL_RIGHT 0x25 /* ADC Digital Volume Right */ #define WM8904_ADC_DIGI 0x26 /* ADC Digital */ #define WM8904_MIC_DIGI 0x27 /* Digital Microphone */ #define WM8904_DRC0 0x28 /* DRC 0 */ #define WM8904_DRC1 0x29 /* DRC 1 */ #define WM8904_DRC2 0x2a /* DRC 2 */ #define WM8904_DRC3 0x2b /* DRC 3 */ #define WM8904_ANA_LEFT_IN0 0x2c /* Analogue Left Input 0 */ #define WM8904_ANA_RIGHT_IN0 0x2d /* Analogue Right Input 0 */ #define WM8904_ANA_LEFT_IN1 0x2e /* Analogue Left Input 1 */ #define WM8904_ANA_RIGHT_IN1 0x2f /* Analogue Right Input 1 */ #define WM8904_ANA_LEFT_OUT1 0x39 /* Analogue OUT1 Left */ #define WM8904_ANA_RIGHT_OUT1 0x3a /* Analogue OUT1 Right */ #define WM8904_ANA_LEFT_OUT2 0x3b /* Analogue OUT2 Left */ #define WM8904_ANA_RIGHT_OUT2 0x3c /* Analogue OUT2 Right */ #define WM8904_ANA_OUT12_ZC 0x3d /* Analogue OUT12 ZC */ #define WM8904_DC_SERVO0 0x43 /* DC Servo 0 */ #define WM8904_DC_SERVO1 0x44 /* DC Servo 1 */ #define WM8904_DC_SERVO2 0x45 /* DC Servo 2 */ #define WM8904_DC_SERVO4 0x47 /* DC Servo 4 */ #define WM8904_DC_SERVO5 0x48 /* DC Servo 5 */ #define WM8904_DC_SERVO6 0x49 /* DC Servo 6 */ #define WM8904_DC_SERVO7 0x4a /* DC Servo 7 */ #define WM8904_DC_SERVO8 0x4b /* DC Servo 8 */ #define WM8904_DC_SERVO9 0x4c /* DC Servo 9 */ #define WM8904_DC_SERVO_RDBACK 0x4d /* DC Servo Readback 0 */ #define WM8904_ANA_HP0 0x5a /* Analogue HP 0 */ #define WM8904_ANA_LINEOUT0 0x5e /* Analogue Lineout 0 */ #define WM8904_CHG_PUMP0 0x62 /* Charge Pump 0 */ #define WM8904_CLASS_W0 0x68 /* Class W 0 */ #define WM8904_WR_SEQ0 0x6c /* Write Sequencer 0 */ #define WM8904_WR_SEQ1 0x6d /* Write Sequencer 1 */ #define WM8904_WR_SEQ2 0x6e /* Write Sequencer 2 */ #define WM8904_WR_SEQ3 0x6f /* Write Sequencer 3 */ #define WM8904_WR_SEQ4 0x70 /* Write Sequencer 4 */ #define WM8904_FLL_CTRL1 0x74 /* FLL Control 1 */ #define WM8904_FLL_CTRL2 0x75 /* FLL Control 2 */ #define WM8904_FLL_CTRL3 0x76 /* FLL Control 3 */ #define WM8904_FLL_CTRL4 0x77 /* FLL Control 4 */ #define WM8904_FLL_CTRL5 0x78 /* FLL Control 5 */ #define WM8904_GPIO_CTRL1 0x79 /* GPIO Control 1 */ #define WM8904_GPIO_CTRL2 0x7a /* GPIO Control 2 */ #define WM8904_GPIO_CTRL3 0x7b /* GPIO Control 3 */ #define WM8904_GPIO_CTRL4 0x7c /* GPIO Control 4 */ #define WM8904_DIGI_PULLS 0x7e /* Digital Pulls */ #define WM8904_INT_STATUS 0x7f /* Interrupt Status */ #define WM8904_INT_MASK 0x80 /* Interrupt Status Mask */ #define WM8904_INT_POL 0x81 /* Interrupt Polarity */ #define WM8904_INT_DEBOUNCE 0x82 /* Interrupt Debounce */ #define WM8904_EQ1 0x86 /* EQ1 */ #define WM8904_EQ2 0x87 /* EQ2 */ #define WM8904_EQ3 0x88 /* EQ3 */ #define WM8904_EQ4 0x89 /* EQ4 */ #define WM8904_EQ5 0x8a /* EQ5 */ #define WM8904_EQ6 0x8b /* EQ6 */ #define WM8904_EQ7 0x8c /* EQ7 */ #define WM8904_EQ8 0x8d /* EQ8 */ #define WM8904_EQ9 0x8e /* EQ9 */ #define WM8904_EQ10 0x8f /* EQ10 */ #define WM8904_EQ11 0x90 /* EQ11 */ #define WM8904_EQ12 0x91 /* EQ12 */ #define WM8904_EQ13 0x92 /* EQ13 */ #define WM8904_EQ14 0x93 /* EQ14 */ #define WM8904_EQ15 0x94 /* EQ15 */ #define WM8904_EQ16 0x95 /* EQ16 */ #define WM8904_EQ17 0x96 /* EQ17 */ #define WM8904_EQ18 0x97 /* EQ18 */ #define WM8904_EQ19 0x98 /* EQ19 */ #define WM8904_EQ20 0x99 /* EQ20 */ #define WM8904_EQ21 0x9a /* EQ21 */ #define WM8904_EQ22 0x9b /* EQ22 */ #define WM8904_EQ23 0x9c /* EQ23 */ #define WM8904_EQ24 0x9d /* EQ24 */ #define WM8904_CTRLIF_TEST_1 0xa1 /* Control Interface Test 1 */ #define WM8904_ADC_TEST 0xc6 /* ADC Test */ #define WM8904_ANA_OUT_BIAS_0 0xCC /* Analogue Output Bias 0 */ #define WM8904_FLL_NCO_TEST0 0xf7 /* FLL NCO Test 0 */ #define WM8904_FLL_NCO_TEST1 0xf8 /* FLL NCO Test 1 */ #define WM8904_DUMMY 0xff /* Dummy register address */ /* Register Default Values **************************************************/ /* Registers have some undocumented bits set on power up. These probably * should be retained on writes (?). */ #define WM8904_SWRST_DEFAULT 0x8904 #define WM8904_ID_DEFAULT 0x0018 #define WM8904_BIAS_CTRL_DEFAULT 0x0000 #define WM8904_VMID_CTRL_DEFAULT 0x0000 #define WM8904_MIC_BIAS_CTRL0_DEFAULT 0x0000 #define WM8904_MIC_BIAS_CTRL1_DEFAULT 0x0000 #define WM8904_ANALOG_ADC_DEFAULT 0x0001 #define WM8904_PM0_DEFAULT 0x0000 #define WM8904_PM2_DEFAULT 0x0000 #define WM8904_PM3_DEFAULT 0x0000 #define WM8904_PM6_DEFAULT 0x0000 #define WM8904_CLKRATE0_DEFAULT 0x8c5e #define WM8904_CLKRATE1_DEFAULT 0x0c05 #define WM8904_CLKRATE2_DEFAULT 0x0000 #define WM8904_AIF0_DEFAULT 0x0050 #define WM8904_AIF1_DEFAULT 0x000a #define WM8904_AIF2_DEFAULT 0x00e4 #define WM8904_AIF3_DEFAULT 0x0040 #define WM8904_DAC_VOL_LEFT_DEFAULT 0x00c0 #define WM8904_DAC_VOL_RIGHT_DEFAULT 0x00c0 #define WM8904_DAC_DIGI0_DEFAULT 0x0000 #define WM8904_DAC_DIGI1_DEFAULT 0x0004 #define WM8904_ADC_VOL_LEFT_DEFAULT 0x00c0 #define WM8904_ADC_VOL_RIGHT_DEFAULT 0x00c0 #define WM8904_ADC_DIGI_DEFAULT 0x0010 #define WM8904_MIC_DIGI_DEFAULT 0x0000 #define WM8904_DRC0_DEFAULT 0x01af #define WM8904_DRC1_DEFAULT 0x3248 #define WM8904_DRC2_DEFAULT 0x0000 #define WM8904_DRC3_DEFAULT 0x0000 #define WM8904_ANA_LEFT_IN0_DEFAULT 0x0085 #define WM8904_ANA_RIGHT_IN0_DEFAULT 0x0085 #define WM8904_ANA_LEFT_IN1_DEFAULT 0x0044 #define WM8904_ANA_RIGHT_IN1_DEFAULT 0x0044 #define WM8904_ANA_LEFT_OUT1_DEFAULT 0x002d #define WM8904_ANA_RIGHT_OUT1_DEFAULT 0x002d #define WM8904_ANA_LEFT_OUT2_DEFAULT 0x0039 #define WM8904_ANA_RIGHT_OUT2_DEFAULT 0x0039 #define WM8904_ANA_OUT12_ZC_DEFAULT 0x0000 #define WM8904_DC_SERVO0_DEFAULT 0x0000 #define WM8904_DC_SERVO2_DEFAULT 0xaaaa #define WM8904_DC_SERVO4_DEFAULT 0xaaaa #define WM8904_DC_SERVO5_DEFAULT 0xaaaa #define WM8904_DC_SERVO6_DEFAULT 0x0000 #define WM8904_DC_SERVO7_DEFAULT 0x0000 #define WM8904_DC_SERVO8_DEFAULT 0x0000 #define WM8904_DC_SERVO9_DEFAULT 0x0000 #define WM8904_DC_SERVO_RDBACK_DEFAULT 0x0000 #define WM8904_ANA_HP0_DEFAULT 0x0000 #define WM8904_ANA_LINEOUT0_DEFAULT 0x0000 #define WM8904_CHG_PUMP0_DEFAULT 0x0000 #define WM8904_CLASS_W0_DEFAULT 0x0000 #define WM8904_WR_SEQ0_DEFAULT 0x0000 #define WM8904_WR_SEQ1_DEFAULT 0x0000 #define WM8904_WR_SEQ2_DEFAULT 0x0000 #define WM8904_WR_SEQ3_DEFAULT 0x0000 #define WM8904_WR_SEQ4_DEFAULT 0x0000 #define WM8904_FLL_CTRL1_DEFAULT 0x0000 #define WM8904_FLL_CTRL2_DEFAULT 0x0007 #define WM8904_FLL_CTRL3_DEFAULT 0x0000 #define WM8904_FLL_CTRL4_DEFAULT 0x2ee0 #define WM8904_FLL_CTRL5_DEFAULT 0x0004 #define WM8904_GPIO_CTRL1_DEFAULT 0x0014 #define WM8904_GPIO_CTRL2_DEFAULT 0x0010 #define WM8904_GPIO_CTRL3_DEFAULT 0x0010 #define WM8904_GPIO_CTRL4_DEFAULT 0x0000 #define WM8904_DIGI_PULLS_DEFAULT 0x0000 #define WM8904_INT_MASK_DEFAULT 0xffff #define WM8904_INT_POL_DEFAULT 0x0000 #define WM8904_INT_DEBOUNCE_DEFAULT 0x0000 #define WM8904_EQ1_DEFAULT 0x0000 #define WM8904_EQ2_DEFAULT 0x000c #define WM8904_EQ3_DEFAULT 0x000c #define WM8904_EQ4_DEFAULT 0x000c #define WM8904_EQ5_DEFAULT 0x000c #define WM8904_EQ6_DEFAULT 0x000c #define WM8904_EQ7_DEFAULT 0x0fca #define WM8904_EQ8_DEFAULT 0x0400 #define WM8904_EQ9_DEFAULT 0x00d8 #define WM8904_EQ10_DEFAULT 0x1eb5 #define WM8904_EQ11_DEFAULT 0xf145 #define WM8904_EQ12_DEFAULT 0x0b75 #define WM8904_EQ13_DEFAULT 0x01c5 #define WM8904_EQ14_DEFAULT 0x1c54 #define WM8904_EQ15_DEFAULT 0xf373 #define WM8904_EQ16_DEFAULT 0x0a54 #define WM8904_EQ17_DEFAULT 0x0558 #define WM8904_EQ18_DEFAULT 0x168e #define WM8904_EQ19_DEFAULT 0xf829 #define WM8904_EQ20_DEFAULT 0x07ad #define WM8904_EQ21_DEFAULT 0x1103 #define WM8904_EQ22_DEFAULT 0x0564 #define WM8904_EQ23_DEFAULT 0x0559 #define WM8904_EQ24_DEFAULT 0x4000 #define WM8904_CTRLIF_TEST_1_DEFAULT 0x0000 #define WM8904_FLL_NCO_TEST0_DEFAULT 0x0000 #define WM8904_ANA_OUT_BIAS_0_DEFAULT 0x0000 #define WM8904_ADC_TEST_DEFAULT 0x0000 #define WM8904_FLL_NCO_TEST1_DEFAULT 0x0019 /* Register Bit Definitions *************************************************/ /* 0x00 SW Reset and ID */ #define WM8904_SW_RST_DEV_ID1 0x8904 /* 0x04 Bias Control */ #define WM8904_ISEL_SHIFT (2) /* Bits 2-3: Master Bias Control */ #define WM8904_ISEL_MASK (3 << WM8904_ISEL_SHIFT) # define WM8904_ISEL_LOW (0 << WM8904_ISEL_SHIFT) /* Low power bias */ # define WM8904_ISEL_HIGH (2 << WM8904_ISEL_SHIFT) /* High performance bias */ #define WM8904_BIAS_ENA (1 << 0) /* Bit 0: Normal bias current generator */ /* 0x05 VMID Control */ #define WM8904_VMID_BUF_ENA (1 << 6) /* Bit 6: Enable VMID buffer to unused I/O */ #define WM8904_VMID_RES_SHIFT (1) /* Bits 1-2: VMID divider enable and select */ #define WM8904_VMID_RES_MASK (3 << WM8904_VMID_RES_SHIFT) # define WM8904_VMID_RES_OFF (0 << WM8904_VMID_RES_SHIFT) /* VMID disabled */ # define WM8904_VMID_RES_NORMAL (1 << WM8904_VMID_RES_SHIFT) /* 2 x 50k divider */ # define WM8904_VMID_RES_STANDBY (2 << WM8904_VMID_RES_SHIFT) /* 2 x 250k divider */ # define WM8904_VMID_RES_FASTSTART (3 << WM8904_VMID_RES_SHIFT) /* 2 x 5k divider */ #define WM8904_VMID_ENA (1 << 0) /* Bit 0: VMID buffer enable */ /* 0x06 Mic Bias Control 0 */ #define WM8904_MICDET_THR_SHIFT (4) /* Bits 4-6: MICBIAS current detect threshold */ #define WM8904_MICDET_THR_MASK (7 << WM8904_MICDET_THR_SHIFT) # define WM8904_MICDET_THR(n) ((uint16_t)(n) << WM8904_MICDET_THR_SHIFT) #define WM8904_MICSHORT_THR_SHIFT (2) /* Bits 2-3: MICBIAS short circuit threshold */ #define WM8904_MICSHORT_THR_MASK (3 << WM8904_MICSHORT_THR_SHIFT) #define WM8904_MICSHORT_THR(n) ((uint16_t)(n) << WM8904_MICSHORT_THR_SHIFT) #define WM8904_MICDET_ENA (1 << 1) /* Bit 1: MICBIAS current/short circuit detect enable */ #define WM8904_MICBIAS_ENA (1 << 0) /* Bit 0: MICBIAS enable */ /* 0x07 Mic Bias Control 1 */ #define WM8904_MICBIAS_SEL_MASK (0x0007) /* Bits 0-2: Selects MICBIAS voltage */ /* 0x0a Analogue ADC */ #define WM8904_ADC_OSR128 (1 << 0) /* Bit 0: ADC Oversampling Ratio */ /* 0x0c Power Management 0 */ #define WM8904_INL_ENA (1 << 1) /* Bit 1: Left input PGA enable */ #define WM8904_INR_ENA (1 << 0) /* Bit 0: Right input PGA enable */ /* 0x0e Power Management 2 */ #define WM8904_HPL_PGA_ENA (1 << 1) /* Bit 1: Left headphone output enable */ #define WM8904_HPR_PGA_ENA (1 << 0) /* Bit 0: Right headphone output enable */ /* 0x0f Power Management 3 */ #define WM8904_LINEOUTL_PGA_ENA (1 << 1) /* Bit 1: Left line output enable */ #define WM8904_LINEOUTR_PGA_ENA (1 << 0) /* Bit 0: Right line output enable */ /* 0x12 Power Management 6 */ #define WM8904_DACL_ENA (1 << 3) /* Bit 3: Left DAC enable */ #define WM8904_DACR_ENA (1 << 2) /* Bit 2: Right DAC enable */ #define WM8904_ADCL_ENA (1 << 1) /* Bit 1: Left ADC enable */ #define WM8904_ADCR_ENA (1 << 0) /* Bit 0: Right ADC enable */ /* 0x14 Clock Rates 0 */ #define WM8904_TOCLK_RATE_DIV16 (1 << 14) /* Bit 14: TOCLK Rate Divider (/16) */ #define WM8904_TOCLK_RATE_X4 (1 << 13) /* Bit 13: TOCLK Rate Multiplier */ #define WM8904_MCLK_DIV (1 << 0) /* Bit 0: Enables divide by 2 on MCLK */ # define WM8904_MCLK_DIV1 (0) /* 0: SYSCLK = MCLK */ # define WM8904_MCLK_DIV2 (1 << 0) /* 1: SYSCLK = MCLK/2*/ /* 0x15 Clock Rates 1 */ #define WM8904_CLK_SYS_RATE_SHIFT (10) /* Bits 10-13: Selects the SYSCLK / fs ratio */ #define WM8904_CLK_SYS_RATE_MASK (15 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV64 (0 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV128 (1 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV192 (2 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV256 (3 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV384 (4 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV512 (5 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV768 (6 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV1024 (7 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV1408 (8 << WM8904_CLK_SYS_RATE_SHIFT) # define WM8904_CLK_SYS_RATE_DIV1536 (9 << WM8904_CLK_SYS_RATE_SHIFT) #define WM8904_SAMPLE_RATE_SHIFT (0) /* Bits 0-2: Selects the Sample Rate (fs) */ #define WM8904_SAMPLE_RATE_MASK (3 << WM8904_SAMPLE_RATE_SHIFT) # define WM8904_SAMPLE_RATE_8KHZ (0 << WM8904_SAMPLE_RATE_SHIFT) /* 8kHz */ # define WM8904_SAMPLE_RATE_12KHZ (1 << WM8904_SAMPLE_RATE_SHIFT) /* 11.025kHz, 12kHz */ # define WM8904_SAMPLE_RATE_16KHZ (2 << WM8904_SAMPLE_RATE_SHIFT) /* 16kHz */ # define WM8904_SAMPLE_RATE_24KHZ (3 << WM8904_SAMPLE_RATE_SHIFT) /* 22.05kHz, 24kHz */ # define WM8904_SAMPLE_RATE_32KHZ (4 << WM8904_SAMPLE_RATE_SHIFT) /* 32kHz */ # define WM8904_SAMPLE_RATE_48KHZ (5 << WM8904_SAMPLE_RATE_SHIFT) /* 44.1kHz, 48kHz */ /* 0x16 Clock Rates 2 */ #define WM8904_MCLK_INV (1 << 15) /* Bit 15: MCLK invert */ #define WM8904_SYSCLK_SRC (1 << 14) /* Bit 14: SYSCLK source select */ # define WM8904_SYSCLK_SRCMCLK (0) /* 0: MCLK */ # define WM8904_SYSCLK_SRCFLL (1 << 14) /* 1: FLL Output */ #define WM8904_TOCLK_RATE (1 << 12) /* Bit 12: TOCLK rate divider (/2) */ #define WM8904_OPCLK_ENA (1 << 3) /* Bit 3: GPIO clock output enable */ #define WM8904_CLK_SYS_ENA (1 << 2) /* Bit 2: System clock enable */ #define WM8904_CLK_DSP_ENA (1 << 1) /* Bit 1: DSP clock enable */ #define WM8904_TOCLK_ENA (1 << 0) /* Bit 0: Zero cross timeout enable */ /* 0x18 Audio Interface 0 */ #define WM8904_DACL_DATINV (1 << 12) /* Bit 12: Left DAC invert */ #define WM8904_DACR_DATINV (1 << 11) /* Bit 11: Right DAC invert */ #define WM8904_DAC_BOOST_SHIFT (9) /* Bits 9-10: DAC digital input volume boost */ #define WM8904_DAC_BOOST_MASK (3 << WM8904_DAC_BOOST_SHIFT) # define WM8904_DAC_BOOST_0DB (0 << WM8904_DAC_BOOST_SHIFT) # define WM8904_DAC_BOOST_6DB (1 << WM8904_DAC_BOOST_SHIFT) # define WM8904_DAC_BOOST_12DB (2 << WM8904_DAC_BOOST_SHIFT) #define WM8904_LOOPBACK (1 << 8) /* Bit 8: Digital loopback function */ #define WM8904_AIFADCL_SRC (1 << 7) /* Bit 7: Left digital audio channel source */ #define WM8904_AIFADCR_SRC (1 << 6) /* Bit 6: Right digital audio channel source */ #define WM8904_AIFDACL_SRC (1 << 5) /* Bit 5: Left DAC data source select */ #define WM8904_AIFDACR_SRC (1 << 4) /* Bit 4: Right DAC data source select */ #define WM8904_ADC_COMP (1 << 3) /* Bit 3: ADC companding enable */ #define WM8904_ADC_COMPMODE (1 << 2) /* Bit 2: ADC companding type */ #define WM8904_DAC_COMP (1 << 1) /* Bit 1: DAC companding enable */ #define WM8904_DAC_COMPMODE (1 << 0) /* Bit 0: DAC companding type */ /* 0x19 Audio Interface 1 */ #define WM8904_AIFDAC_TDM (1 << 13) /* Bit 13: DAC TDM enable */ #define WM8904_AIFDAC_TDM_CHAN (1 << 12) /* Bit 12: DACDAT TDM channel select */ #define WM8904_AIFADC_TDM (1 << 11) /* Bit 11: ADC TDM enable */ #define WM8904_AIFADC_TDM_CHAN (1 << 10) /* Bit 10: ADCDAT TDM channel select */ #define WM8904_AIF_TRIS (1 << 8) /* Bit 8: Audio interface tristate */ #define WM8904_AIF_BCLK_INV (1 << 7) /* Bit 7: BCLK invert */ #define WM8904_BCLK_DIR (1 << 6) /* Bit 6: Audio interface BCLK direction */ #define WM8904_AIF_LRCLK_INV (1 << 4) /* Bit 4: LRC polarity/DSP mode A-B select */ #define WM8904_AIF_WL_SHIFT (2) /* Bits 2-3: Digital audio interface word length */ #define WM8904_AIF_WL_MASK (3 << WM8904_AIF_WL_SHIFT) # define WM8904_AIF_WL_16BITS (0 << WM8904_AIF_WL_SHIFT) # define WM8904_AIF_WL_20BITS (1 << WM8904_AIF_WL_SHIFT) # define WM8904_AIF_WL_24BITS (2 << WM8904_AIF_WL_SHIFT) # define WM8904_AIF_WL_32BITS (3 << WM8904_AIF_WL_SHIFT) #define WM8904_AIF_FMT_SHIFT (0) /* Bits 0-1: Digital audio interface format */ #define WM8904_AIF_FMT_MASK (3 << WM8904_AIF_FMT_SHIFT) # define WM8904_AIF_FMT_RJUST (0 << WM8904_AIF_FMT_SHIFT) /* Right Justified */ # define WM8904_AIF_FMT_LJUST (1 << WM8904_AIF_FMT_SHIFT) /* Left Justified */ # define WM8904_AIF_FMT_I2S (2 << WM8904_AIF_FMT_SHIFT) /* I2S */ # define WM8904_AIF_FMT_DSP (3 << WM8904_AIF_FMT_SHIFT) /* DSP */ /* 0x1a Audio Interface 2 */ #define WM8904_OPCLK_DIV_SHIFT (8) /* Bits 8-11: GPIO Output Clock Divider */ #define WM8904_OPCLK_DIV_MASK (15 << WM8904_OPCLK_DIV_SHIFT) # define WM8904_OPCLK_DIV1 (0 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK */ # define WM8904_OPCLK_DIV2 (1 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 2 */ # define WM8904_OPCLK_DIV3 (2 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 3 */ # define WM8904_OPCLK_DIV4 (3 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 4 */ # define WM8904_OPCLK_DIV5p5 (4 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 5.5 */ # define WM8904_OPCLK_DIV6 (5 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 6 */ # define WM8904_OPCLK_DIV8 (6 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 8 */ # define WM8904_OPCLK_DIV12 (7 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 12 */ # define WM8904_OPCLK_DIV16 (8 << WM8904_OPCLK_DIV_SHIFT) /* SYSCLK / 16 */ #define WM8904_BCLK_DIV_SHIFT (0) /* Bits 0-4: BCLK Frequency (Master Mode) */ #define WM8904_BCLK_DIV_MASK (31 << WM8904_BCLK_DIV_SHIFT) # define WM8904_BCLK_DIV(n) ((uint16_t)(n) << WM8904_BCLK_DIV_SHIFT) # define WM8904_BCLK_DIV1 (0 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK */ # define WM8904_BCLK_DIV1p5 (1 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 1.5 */ # define WM8904_BCLK_DIV2 (2 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 2 */ # define WM8904_BCLK_DIV3 (3 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 3 */ # define WM8904_BCLK_DIV4 (4 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 4 */ # define WM8904_BCLK_DIV5 (5 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 5 */ # define WM8904_BCLK_DIV5p5 (6 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 5.5 */ # define WM8904_BCLK_DIV6 (7 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 6 */ # define WM8904_BCLK_DIV8 (8 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 8 */ # define WM8904_BCLK_DIV10 (9 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 10 */ # define WM8904_BCLK_DIV11 (10 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 11 */ # define WM8904_BCLK_DIV12 (11 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 12 */ # define WM8904_BCLK_DIV16 (12 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 16 */ # define WM8904_BCLK_DIV20 (13 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 20 */ # define WM8904_BCLK_DIV22 (14 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 22 */ # define WM8904_BCLK_DIV24 (15 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 24 */ # define WM8904_BCLK_DIV25 (16 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 25 */ # define WM8904_BCLK_DIV30 (17 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 30 */ # define WM8904_BCLK_DIV32 (18 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 32 */ # define WM8904_BCLK_DIV44 (19 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 44 */ # define WM8904_BCLK_DIV48 (20 << WM8904_BCLK_DIV_SHIFT) /* SYSCLK / 48 */ /* 0x1b Audio Interface 3 */ #define WM8904_LRCLK_DIR (1 << 11) /* Bit 11: Audio interface LRC direction */ #define WM8904_LRCLK_RATE_SHIFT (0) /* Bits 0-10: LRC rate (master mode) */ #define WM8904_LRCLK_RATE_MASK (0x7ff << WM8904_LRCLK_RATE_SHIFT) # define WM8904_LRCLK_RATE(n) ((uint16_t)(n) << WM8904_LRCLK_RATE_SHIFT) /* 0x1e DAC Digital Volume Left */ /* 0x1f DAC Digital Volume Right */ #define WM8904_DAC_VU (1 << 8) /* Bit 8: DAC volume update */ #define WM8904_DAC_VOL_SHIFT (0) /* Bits 0-7: DAC digital volume */ #define WM8904_DAC_VOL_MASK (0xff << WM8904_DAC_VOL_SHIFT) # define WM8904_DAC_VOL(n) ((uint16_t)(n) << WM8904_DAC_VOL_SHIFT) /* 0x20 DAC Digital 0 */ #define WM8904_ADCL_DAC_SVOL_SHIFT (8) /* Bits 8-11: Left digital sidetone volume */ #define WM8904_ADCL_DAC_SVOL_MASK (15 << WM8904_ADCL_DAC_SVOL_SHIFT) # define WM8904_ADCL_DAC_SVOL(n) ((uint16_t)(n) << WM8904_ADCL_DAC_SVOL_SHIFT) #define WM8904_ADCR_DAC_SVOL_SHIFT (4) /* Bits 4-7: Right digital sidetone volume*/ #define WM8904_ADCR_DAC_SVOL_MASK (15 << WM8904_ADCR_DAC_SVOL_SHIFT) # define WM8904_ADCR_DAC_SVOL(n) ((uint16_t)(n) << WM8904_ADCR_DAC_SVOL_SHIFT) #define WM8904_ADC_TO_DACL_SHIFT (2) /* Bits 2-3: Left DAC digital sidetone source */ #define WM8904_ADC_TO_DACL_MASK (3 << WM8904_ADC_TO_DACL_SHIFT) # define WM8904_ADC_TO_DACL_NONE (0 << WM8904_ADC_TO_DACL_SHIFT) /* No sidetone */ # define WM8904_ADC_TO_DACL_LEFT (1 << WM8904_ADC_TO_DACL_SHIFT) /* Left ADC */ # define WM8904_ADC_TO_DACL_RIGHT (2 << WM8904_ADC_TO_DACL_SHIFT) /* Right ADC */ #define WM8904_ADC_TO_DACR_SHIFT (0) /* Bits 0-1: Right DAC digital sidetone source */ #define WM8904_ADC_TO_DACR_MASK (3 << WM8904_ADC_TO_DACR_SHIFT) # define WM8904_ADC_TO_DACR_NONE (0 << WM8904_ADC_TO_DACR_SHIFT) /* No sidetone */ # define WM8904_ADC_TO_DACR_LEFT (1 << WM8904_ADC_TO_DACR_SHIFT) /* Left ADC */ # define WM8904_ADC_TO_DACR_RIGHT (2 << WM8904_ADC_TO_DACR_SHIFT) /* Right ADC */ /* 0x21 DAC Digital 1 */ #define WM8904_DAC_MONO (1 << 12) /* Bit 12: DAC mono mix */ #define WM8904_DAC_SB_FILT (1 << 11) /* Bit 11: Selects DAC filter characteristics */ #define WM8904_DAC_MUTERATE (1 << 10) /* Bit 10: DAC soft mute ramp rate */ #define WM8904_DAC_UNMUTE_RAMP (1 << 9) /* Bit 9: DAC soft mute mode */ #define WM8904_DAC_OSR128 (1 << 6) /* Bit 6: DAC oversample rate select */ #define WM8904_DAC_MUTE (1 << 3) /* Bit 3: DAC soft mute control */ #define WM8904_DEEMPH_SHIFT (1) /* Bits 1-2: DAC de-emphasis control */ #define WM8904_DEEMPH_MASK (3 << WM8904_DEEMPH_SHIFT) # define WM8904_DEEMPH_NONE (0 << WM8904_DEEMPH_SHIFT) /* No de-emphasis */ # define WM8904_DEEMPH_32KHZ (1 << WM8904_DEEMPH_SHIFT) /* 32kHz sample rate */ # define WM8904_DEEMPH_44p1KHZ (2 << WM8904_DEEMPH_SHIFT) /* 44.1kHz sample rate */ # define WM8904_DEEMPH_48KHZ (3 << WM8904_DEEMPH_SHIFT) /* 48kHz sample rate */ /* 0x24 ADC Digital Volume Left */ /* 0x25 ADC Digital Volume Right */ #define WM8904_ADC_VU (1 << 8) /* Bit 8: ADC Volume Update */ #define WM8904_ADC_VOL_SHIFT (0) /* Bits 0-7: ADC Digital Volume */ #define WM8904_ADC_VOL_MASK (0xff << WM8904_ADC_VOL_SHIFT) # define WM8904_ADC_VOL(n) ((uint16_t)(n) << WM8904_ADC_VOL_SHIFT) /* 0x26 ADC Digital */ #define WM8904_ADC_HPF_CUT_SHIFT (5) /* Bits 5-6: ADC digital high pass filter cut-off */ #define WM8904_ADC_HPF_CUT_MASK (3 << WM8904_ADC_HPF_CUT_SHIFT) # define WM8904_ADC_HPF_CUT_HIFI (0 << WM8904_ADC_HPF_CUT_SHIFT) /* Hi-fi mode */ # define WM8904_ADC_HPF_CUT_VOICE1 (1 << WM8904_ADC_HPF_CUT_SHIFT) /* Voice mode 1 */ # define WM8904_ADC_HPF_CUT_VOICE2 (2 << WM8904_ADC_HPF_CUT_SHIFT) /* Voice mode 2 */ # define WM8904_ADC_HPF_CUT_VOICE3 (3 << WM8904_ADC_HPF_CUT_SHIFT) /* Voice mode 3 */ #define WM8904_ADC_HPF (1 << 4) /* Bit 4: ADC digital high pass filter enable */ #define WM8904_ADCL_DATINV (1 << 1) /* Bit 1: Left ADC invert */ #define WM8904_ADCR_DATINV (1 << 0) /* Bit 0: Right ADC invert */ /* 0x27 Digital Microphone */ #define WM8904_DMIC_ENA (1 << 12) /* Bit 12: Enables digital microphone mode */ #define WM8904_DMIC_SRC (1 << 11) /* Bit 11: Selects digital microphone data input */ /* 0x28 DRC 0 */ #define WM8904_DRC_ENA (1 << 15) /* Bit 15: DRC enable */ #define WM8904_DRC_DAC_PATH (1 << 14) /* Bit 14: DRC path select */ #define WM8904_DRC_GS_HYST_LVL_SHIFT (11) /* Bits 11-12: Gain smoothing hysteresis threshold */ #define WM8904_DRC_GS_HYST_LVL_MASK (3 << WM8904_DRC_GS_HYST_LVL_SHIFT) # define WM8904_DRC_GS_HYST_LVL(n) ((uint16_t)(n) << WM8904_DRC_GS_HYST_LVL_SHIFT) # define WM8904_DRC_GS_HYST_LOW (0 << WM8904_DRC_GS_HYST_LVL_SHIFT) /* Low */ # define WM8904_DRC_GS_HYST_MEDIUM (1 << WM8904_DRC_GS_HYST_LVL_SHIFT) /* Medium */ # define WM8904_DRC_GS_HYST_HIGH (2 << WM8904_DRC_GS_HYST_LVL_SHIFT) /* High */ #define WM8904_DRC_STARTUP_GAIN_SHIFT (6) /* Bits 6-10: Initial gain at DRC startup */ #define WM8904_DRC_STARTUP_GAIN_MASK (31 << WM8904_DRC_STARTUP_GAIN_SHIFT) # define WM8904_DRC_STARTUP_GAIN(n) ((uint16_t)(n) << WM8904_DRC_STARTUP_GAIN_SHIFT) #define WM8904_DRC_FF_DELAY (1 << 5) /* Bit 5: Feed-forward delay for anti-clip feature */ #define WM8904_DRC_GS_ENA (1 << 3) /* Bit 3: Gain smoothing enable */ #define WM8904_DRC_QR (1 << 2) /* Bit 2: Quick release enable */ #define WM8904_DRC_ANTICLIP (1 << 1) /* Bit 1: Anti-clip enable */ #define WM8904_DRC_GS_HYST (1 << 0) /* Bit 0: Gain smoothing hysteresis enable */ /* 0x29 DRC 1 */ #define WM8904_DRC_ATK_SHIFT (12) /* Bits 13-15: Gain attack rate (seconds/6dB) */ #define WM8904_DRC_ATK_MASK (15 << WM8904_DRC_ATK_SHIFT) # define WM8904_DRC_ATK(n) ((uint16_t)(n) << WM8904_DRC_ATK_SHIFT) #define WM8904_DRC_DCY_SHIFT (8) /* Bits 8-11: Gain decay rate (seconds/6dB) */ #define WM8904_DRC_DCY_MASK (15 << WM8904_DRC_DCY_SHIFT) # define WM8904_DRC_DCY(n) ((uint16_t)(n) << WM8904_DRC_DCY_SHIFT) #define WM8904_DRC_QR_THR_SHIFT (6) /* Bits 6-7: Quick release crest factor threshold */ #define WM8904_DRC_QR_THR_MASK (3 << WM8904_DRC_QR_THR_SHIFT) # define WM8904_DRC_QR_THR(n) ((uint16_t)(n) << WM8904_DRC_QR_THR_SHIFT) #define WM8904_DRC_QR_DCY_SHIFT (4) /* Bits 4-5: Quick release decay rate (seconds/6dB)*/ #define WM8904_DRC_QR_DCY_MASK (3 << WM8904_DRC_QR_DCY_SHIFT) # define WM8904_DRC_QR_DCY(n) ((uint16_t)(n) << WM8904_DRC_QR_DCY_SHIFT) #define WM8904_DRC_MINGAIN_SHIFT (2) /* Bits 2-3: Minimum gain the DRC can use to attenuate audio*/ #define WM8904_DRC_MINGAIN_MASK (3 << WM8904_DRC_MINGAIN_SHIFT) # define WM8904_DRC_MINGAIN(n) ((uint16_t)(n) << WM8904_DRC_MINGAIN_SHIFT) #define WM8904_DRC_MAXGAIN_SHIFT (0) /* Bits 0-1: Maximum gain the DRC can use to boost audio*/ #define WM8904_DRC_MAXGAIN_MASK (3 << WM8904_DRC_MAXGAIN_SHIFT) # define WM8904_DRC_MAXGAIN(n) ((uint16_t)(n) << WM8904_DRC_MAXGAIN_SHIFT) /* 0x2a DRC 2 */ #define WM8904_DRC_HI_COMP_SHIFT (3) /* Bits 3-5: Compressor slope (upper region) */ #define WM8904_DRC_HI_COMP_MASK (7 << WM8904_DRC_HI_COMP_SHIFT) # define WM8904_DRC_HI_COMP_DIV1 (0 << WM8904_DRC_HI_COMP_SHIFT) /* 1 (no compression) */ # define WM8904_DRC_HI_COMP_DIV2 (1 << WM8904_DRC_HI_COMP_SHIFT) /* 1/2 */ # define WM8904_DRC_HI_COMP_DIV4 (2 << WM8904_DRC_HI_COMP_SHIFT) /* 1/4 */ # define WM8904_DRC_HI_COMP_DIV8 (3 << WM8904_DRC_HI_COMP_SHIFT) /* 1/8 */ # define WM8904_DRC_HI_COMP_DIV16 (4 << WM8904_DRC_HI_COMP_SHIFT) /* 1/16 */ # define WM8904_DRC_HI_COMP_ZERO (5 << WM8904_DRC_HI_COMP_SHIFT) /* 0 */ #define WM8904_DRC_LO_COMP_SHIFT (0) /* Bits 0-2: Compressor slope (lower region)*/ #define WM8904_DRC_LO_COMP_MASK (7 << WM8904_DRC_LO_COMP_SHIFT) # define WM8904_DRC_LO_COMP(n) ((uint16_t)(n) << WM8904_DRC_LO_COMP_SHIFT) # define WM8904_DRC_LO_COMP_DIV1 (0 << WM8904_DRC_HI_COMP_SHIFT) /* 1 (no compression) */ # define WM8904_DRC_LO_COMP_DIV2 (1 << WM8904_DRC_HI_COMP_SHIFT) /* 1/2 */ # define WM8904_DRC_LO_COMP_DIV4 (2 << WM8904_DRC_HI_COMP_SHIFT) /* 1/4 */ # define WM8904_DRC_LO_COMP_DIV8 (3 << WM8904_DRC_HI_COMP_SHIFT) /* 1/8 */ # define WM8904_DRC_LO_COMP_DIV16 (4 << WM8904_DRC_HI_COMP_SHIFT) /* 1/16 */ # define WM8904_DRC_LO_COMP_ZERO (5 << WM8904_DRC_HI_COMP_SHIFT) /* 0 */ /* 0x2b DRC 3 */ #define WM8904_DRC_KNEE_IP_SHIFT (5) /* Bits 5-10: Input signal at the compressor knee*/ #define WM8904_DRC_KNEE_IP_MASK (0X3f << WM8904_DRC_KNEE_IP_SHIFT) # define WM8904_DRC_KNEE_IP(n) ((uint16_t)(n) << WM8904_DRC_KNEE_IP_SHIFT) #define WM8904_DRC_KNEE_OP_SHIFT (0) /* Bits 0-4: Output signal at the compressor knee */ #define WM8904_DRC_KNEE_OP_MASK (0x1f << WM8904_DRC_KNEE_OP_SHIFT) # define WM8904_DRC_KNEE_OP(n) ((uint16_t)(n) << WM8904_DRC_KNEE_OP_SHIFT) /* 0x2c Analogue Left Input 0 */ /* 0x2d Analogue Right Input 0 */ #define WM8904_INMUTE (1 << 7) /* Bit 7: Input PGA mute */ #define WM8904_IN_VOL_SHIFT (0) /* Bits 0-4: Input PGA volume */ #define WM8904_IN_VOL_MASK (31 << WM8904_IN_VOL_SHIFT) # define WM8904_IN_VOL(n) ((uint16_t)(n) << WM8904_IN_VOL_SHIFT) /* 0x2e Analogue Left Input 1 */ /* 0x2f Analogue Right Input 1 */ #define WM8904_IN_CM_ENA (1 << 6) /* Bit 6: Input PGA common mode rejection enable */ #define WM8904_IP_SEL_N_SHIFT (4) /* Bits 4-5: Select pin for inverting input */ #define WM8904_IP_SEL_N_MASK (3 << WM8904_IP_SEL_N_SHIFT) # define WM8904_IP_SEL_N_IN1L (0 << WM8904_IP_SEL_N_SHIFT) # define WM8904_IP_SEL_N_IN2L (1 << WM8904_IP_SEL_N_SHIFT) # define WM8904_IP_SEL_N_IN3L (2 << WM8904_IP_SEL_N_SHIFT) #define WM8904_IP_SEL_P_SHIFT (2) /* Bits 2-3: Select pin for non-inverting input */ #define WM8904_IP_SEL_P_MASK (3 << WM8904_IP_SEL_P_SHIFT) # define WM8904_IP_SEL_P(n) ((uint16_t)(n) << WM8904_IP_SEL_P_SHIFT) # define WM8904_IP_SEL_P_IN1L (0 << WM8904_IP_SEL_P_SHIFT) # define WM8904_IP_SEL_P_IN2L (1 << WM8904_IP_SEL_P_SHIFT) # define WM8904_IP_SEL_P_IN3L (2 << WM8904_IP_SEL_P_SHIFT) #define WM8904_MODE_SHIFT (0) /* Bits 0-1: Sets mode for analog input */ #define WM8904_MODE_MASK (23<< WM8904_MODE_SHIFT) # define WM8904_MODE(n) ((uint16_t)(n) << WM8904_MODE_SHIFT) # define WM8904_MODE_SINGLE (0 << WM8904_MODE_SHIFT) /* Single-Ended */ # define WM8904_MODE_DIFFLINE (1 << WM8904_MODE_SHIFT) /* Differential Line */ # define WM8904_MODE_DIFFMIC (2 << WM8904_MODE_SHIFT) /* Differential MIC */ /* 0x39 Analogue OUT1 Left */ /* 0x3a Analogue OUT1 Right */ #define WM8904_HPOUT_MUTE (1 << 8) /* Bit 8: Headphone output mute */ #define WM8904_HPOUT_VU (1 << 7) /* Bit 7: Headphone output volume update */ #define WM8904_HPOUTZC (1 << 6) /* Bit 6: Headphone output zero cross enable */ #define WM8904_HPOUT_VOL_SHIFT (0) /* Bits 0-5: Headphone output volume */ #define WM8904_HPOUT_VOL_MASK (0x3f << WM8904_HPOUT_VOL_SHIFT) # define WM8904_HPOUT_VOL(n) ((uint16_t)(n) << WM8904_HPOUT_VOL_SHIFT) /* 0x3b Analogue OUT2 Left */ /* 0x3c Analogue OUT2 Right */ #define WM8904_LINEOUT_MUTE (1 << 8) /* Bit 8: Headphone output mute */ #define WM8904_LINEOUT_VU (1 << 7) /* Bit 7: Headphone output volume update */ #define WM8904_LINEOUTZC (1 << 6) /* Bit 6: Headphone output zero cross enable */ #define WM8904_LINEOUT_VOL_SHIFT (0) /* Bits 0-5: Headphone output volume */ #define WM8904_LINEOUT_VOL_MASK (0x3f << WM8904_LINEOUT_VOL_SHIFT) # define WM8904_LINEOUT_VOL(n) ((uint16_t)(n) << WM8904_LINEOUT_VOL_SHIFT) /* 0x3d Analogue OUT12 ZC */ #define WM8904_HPL_BYP_ENA (1 << 3) /* Bit 3: Selects input for left headphone output MUX */ #define WM8904_HPR_BYP_ENA (1 << 2) /* Bit 2: Selects input for right headphone output MUX */ #define WM8904_LINEOUTL_BYP_ENA (1 << 1) /* Bit 1: Selects input for left line output MUX */ #define WM8904_LINEOUTR_BYP_ENA (1 << 0) /* Bit 0: Selects input for right line output MUX */ /* 0x43 DC Servo 0 */ #define WM8904_DCS_ENA_CHAN_3 (1 << 3) /* Bit 3: DC servo enable for LINEOUTR */ #define WM8904_DCS_ENA_CHAN_2 (1 << 2) /* Bit 2: DC servo enable for LINEOUTL */ #define WM8904_DCS_ENA_CHAN_1 (1 << 1) /* Bit 1: DC servo enable for HPOUTR */ #define WM8904_DCS_ENA_CHAN_0 (1 << 0) /* Bit 0: DC servo enable for HPOUTL */ /* 0x44 DC Servo 1 */ #define WM8904_DCS_TRIG_SINGLE_3 (1 << 15) /* Bit 15: Single DC offset correction for LINEOUTR */ #define WM8904_DCS_TRIG_SINGLE_2 (1 << 14) /* Bit 14: Single DC offset correction for LINEOUTL */ #define WM8904_DCS_TRIG_SINGLE_1 (1 << 13) /* Bit 13: Single DC offset correction for HPOUTR */ #define WM8904_DCS_TRIG_SINGLE_0 (1 << 12) /* Bit 12: Single DC offset correction for HPOUTL */ #define WM8904_DCS_TRIG_SERIES_3 (1 << 11) /* Bit 11: Series of DC offset corrections for LINEOUTR */ #define WM8904_DCS_TRIG_SERIES_2 (1 << 10) /* Bit 10: Series of DC offset corrections for LINEOUTL */ #define WM8904_DCS_TRIG_SERIES_1 (1 << 9) /* Bit 9: Series of DC offset corrections for HPOUTR */ #define WM8904_DCS_TRIG_SERIES_0 (1 << 8) /* Bit 8: Series of DC offset corrections for HPOUTL */ #define WM8904_DCS_TRIG_STARTUP_3 (1 << 7) /* Bit 7: Start-up DC Servo mode for LINEOUTR */ #define WM8904_DCS_TRIG_STARTUP_2 (1 << 6) /* Bit 6: Start-up DC Servo mode for LINEOUTL */ #define WM8904_DCS_TRIG_STARTUP_1 (1 << 5) /* Bit 5: Start-up DC Servo mode for HPOUTR */ #define WM8904_DCS_TRIG_STARTUP_0 (1 << 4) /* Bit 4: Start-up DC Servo mode for HPOUTL */ #define WM8904_DCS_TRIG_DAC_WR_3 (1 << 3) /* Bit 3: DAC write DC Servo mode for LINEOUTR */ #define WM8904_DCS_TRIG_DAC_WR_2 (1 << 2) /* Bit 2: DAC write DC Servo mode for LINEOUTL */ #define WM8904_DCS_TRIG_DAC_WR_1 (1 << 1) /* Bit 1: DAC write DC Servo mode for HPOUTR */ #define WM8904_DCS_TRIG_DAC_WR_0 (1 << 0) /* Bit 0: DAC write DC Servo mode for HPOUTL */ /* 0x45 DC Servo 2 */ #define WM8904_DCS_TIMER_PERIOD_23_SHIFT (8) /* Bits 8-11: LINEOUTL/LINEOUTR update period */ #define WM8904_DCS_TIMER_PERIOD_23_MASK (15 << WM8904_DCS_TIMER_PERIOD_23_SHIFT) # define WM8904_DCS_TIMER_PERIOD_23(n) ((uint16_t)(n) << WM8904_DCS_TIMER_PERIOD_23_SHIFT) #define WM8904_DCS_TIMER_PERIOD_01_SHIFT (0) /* Bits 0-3: HPOUTL/HPOUTR update period */ #define WM8904_DCS_TIMER_PERIOD_01_MASK (15 << WM8904_DCS_TIMER_PERIOD_01_SHIFT) # define WM8904_DCS_TIMER_PERIOD_01(n) ((uint16_t)(n) << WM8904_DCS_TIMER_PERIOD_01_SHIFT) /* 0x47 DC Servo 4 */ #define WM8904_DCS_SERIES_NO_23_MASK (0x007f) /* Bits 0-6: Number updates to perform in series for LINEOUTL/R */ /* 0x48 DC Servo 5 */ #define WM8904_DCS_SERIES_NO_01_MASK (0x007f) /* Bits 0-6: Number updates to perform in series for HPOUTL/R */ /* 0x49 DC Servo 6 */ #define WM8904_DCS_DAC_WR_VAL_3_MASK (0x00ff) /* Bits 0-7: DC Offset value for LINEOUTR */ /* 0x4a DC Servo 7 */ #define WM8904_DCS_DAC_WR_VAL_2_MASK (0x00ff) /* Bits 0-7: DC Offset value for LINEOUTL */ /* 0x4b DC Servo 8 */ #define WM8904_DCS_DAC_WR_VAL_1_MASK (0x00ff) /* Bits 0-7: DC Offset value for HPOUTR */ /* 0x4c DC Servo 9 */ #define WM8904_DCS_DAC_WR_VAL_0_MASK (0x00ff) /* Bits 0-7: DC Offset value for HPOUTL */ /* 0x4d DC Servo Readback 0 */ #define WM8904_DCS_CAL_COMPLETE_SHIFT (8) /* Bits 8-11: DC servo complete status */ #define WM8904_DCS_CAL_COMPLETE_MASK (15 << WM8904_DCS_CAL_COMPLETE_SHIFT) # define WM8904_DCS_CAL_COMPLETE_LINEOUTR (8 << WM8904_DCS_CAL_COMPLETE_SHIFT) # define WM8904_DCS_CAL_COMPLETE_LINEOUTL (4 << WM8904_DCS_CAL_COMPLETE_SHIFT) # define WM8904_DCS_CAL_COMPLETE_HPOUTR (2 << WM8904_DCS_CAL_COMPLETE_SHIFT) # define WM8904_DCS_CAL_COMPLETE_HPOUTL (1 << WM8904_DCS_CAL_COMPLETE_SHIFT) #define WM8904_DCS_DAC_WR_COMPLETE_SHIFT (4) /* Bits 4-7: DC servo DAC write status */ #define WM8904_DCS_DAC_WR_COMPLETE_MASK (15 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_DAC_WR_COMPLETE_LINEOUTR (8 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_DAC_WR_COMPLETE_LINEOUTL (4 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_DAC_WR_COMPLETE_HPOUTR (2 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_DAC_WR_COMPLETE_HPOUTL (1 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) #define WM8904_DCS_STARTUP_COMPLETE_SHIFT (0) /* Bits 0-3: DC servo start-up status */ #define WM8904_DCS_STARTUP_COMPLETE_MASK (15 << WM8904_DCS_STARTUP_COMPLETE_SHIFT) # define WM8904_DCS_STARTUP_COMPLETE(n) ((uint16_t)(n) << WM8904_DCS_STARTUP_COMPLETE_SHIFT) # define WM8904_DCS_STARTUP_COMPLETE_LINEOUTR (8 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_STARTUP_COMPLETE_LINEOUTL (4 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_STARTUP_COMPLETE_HPOUTR (2 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) # define WM8904_DCS_STARTUP_COMPLETE_HPOUTL (1 << WM8904_DCS_DAC_WR_COMPLETE_SHIFT) /* 0x5a Analogue HP 0 */ #define WM8904_HPL_RMV_SHORT (1 << 7) /* Bit 7: Removes HPOUTL short */ #define WM8904_HPL_ENA_OUTP (1 << 6) /* Bit 6: Enables HPOUTL output stage */ #define WM8904_HPL_ENA_DLY (1 << 5) /* Bit 5: Enables HPOUTL intermediate stage */ #define WM8904_HPL_ENA (1 << 4) /* Bit 4: Enables HPOUTL input stage */ #define WM8904_HPR_RMV_SHORT (1 << 3) /* Bit 3: Removes HPOUTR short */ #define WM8904_HPR_ENA_OUTP (1 << 2) /* Bit 2: Enables HPOUTR output stage */ #define WM8904_HPR_ENA_DLY (1 << 1) /* Bit 1: Enables HPOUTR intermediate stage */ #define WM8904_HPR_ENA (1 << 0) /* Bit 0: Enables HPOUTR input stage */ /* 0x5e Analogue Lineout 0 */ #define WM8904_LINEOUTL_RMV_SHORT (1 << 7) /* Bit 7: Removes LINEOUTL short */ #define WM8904_LINEOUTL_ENA_OUTP (1 << 6) /* Bit 6: Enables LINEOUTL output stage */ #define WM8904_LINEOUTL_ENA_DLY (1 << 5) /* Bit 5: Enables LINEOUTL intermediate stage */ #define WM8904_LINEOUTL_ENA (1 << 4) /* Bit 4: Enables LINEOUTL input stage */ #define WM8904_LINEOUTR_RMV_SHORT (1 << 3) /* Bit 3: Removes LINEOUTR short */ #define WM8904_LINEOUTR_ENA_OUTP (1 << 2) /* Bit 2: Enables LINEOUTR output stage */ #define WM8904_LINEOUTR_ENA_DLY (1 << 1) /* Bit 1: Enables LINEOUTR intermediate stage */ #define WM8904_LINEOUTR_ENA (1 << 0) /* Bit 0: Enables LINEOUTR input stage */ /* 0x62 Charge Pump 0 */ #define WM8904_CP_ENA (1 << 0) /* Bit 0: Enable charge-pump digits */ /* 0x68 Class W 0 */ #define WM8904_CP_DYN_PWR (1 << 0) /* Bit 0: Enable dynamic charge pump power control */ /* 0x6c Write Sequencer 0 */ #define WM8904_WSEQ_ENA (1 << 8) /* Bit 8: Write sequencer enable */ #define WM8904_WSEQ_WRITE_INDEX_SHIFT (0) /* Bits 0-4: Sequence write index */ #define WM8904_WSEQ_WRITE_INDEX_MASK (31 << WM8904_WSEQ_WRITE_INDEX_SHIFT) # define WM8904_WSEQ_WRITE_INDEX(n) ((uint16_t)(n) << WM8904_WSEQ_WRITE_INDEX_SHIFT) /* 0x6d Write Sequencer 1 */ #define WM8904_WSEQ_DATA_WIDTH_SHIFT (12) /* Bits 12-14: Width of data block in sequence step */ #define WM8904_WSEQ_DATA_WIDTH_MASK (7 << WM8904_WSEQ_DATA_WIDTH_SHIFT) # define WM8904_WSEQ_DATA_WIDTH(n) ((uint16_t)((n)-1) << WM8904_WSEQ_DATA_WIDTH_SHIFT) #define WM8904_WSEQ_DATA_START_SHIFT (8) /* Bits 8-11: LSB bit of data block in sequence step */ #define WM8904_WSEQ_DATA_START_MASK (15 << WM8904_WSEQ_DATA_START_SHIFT) # define WM8904_WSEQ_DATA_START(n) ((uint16_t)(n) << WM8904_WSEQ_DATA_START_SHIFT) #define WM8904_WSEQ_ADDR_SHIFT (0) /* Bits 0-7: Control Register be written in sequence step */ #define WM8904_WSEQ_ADDR_MASK (0xff << WM8904_WSEQ_ADDR_SHIFT) # define WM8904_WSEQ_ADDR(n) ((uint16_t)(n) << WM8904_WSEQ_ADDR_SHIFT) /* 0x6e Write Sequencer 2 */ #define WM8904_WSEQ_EOS (1 << 14) /* Bit 14: End of sequence flag */ #define WM8904_WSEQ_DELAY_SHIFT (8) /* Bits 8-11: Time delay after executing this step */ #define WM8904_WSEQ_DELAY_MASK (15 << WM8904_WSEQ_DELAY_SHIFT) # define WM8904_WSEQ_DELAY(n) ((uint16_t)(n) << WM8904_WSEQ_DELAY_SHIFT) #define WM8904_WSEQ_DATA_SHIFT (0) /* Bits 0-7: Data to be written in this sequence step */ #define WM8904_WSEQ_DATA_MASK (0xff << WM8904_WSEQ_DATA_SHIFT) # define WM8904_WSEQ_DATA(n) ((uint16_t)(n) << WM8904_WSEQ_DATA_SHIFT) /* 0x6f Write Sequencer 3 */ #define WM8904_WSEQ_ABORT (1 << 9) /* Bit 9: Aborts the current sequence */ #define WM8904_WSEQ_START (1 << 8) /* Bit 8: Starts the write sequencer */ #define WM8904_WSEQ_START_INDEX_SHIFT (0) /* Bits 0-5: Sequence start index */ #define WM8904_WSEQ_START_INDEX_MASK (63 << WM8904_WSEQ_START_INDEX_SHIFT) # define WM8904_WSEQ_START_INDEX(n) ((uint16_t)(n) << WM8904_WSEQ_START_INDEX_SHIFT) /* 0x70 Write Sequencer 4 */ #define WM8904_WSEQ_CURRENT_INDEX_SHIFT (4) /* Bits 4-9: Sequence current index */ #define WM8904_WSEQ_CURRENT_INDEX_MASK (63 << WM8904_WSEQ_CURRENT_INDEX_SHIFT) #define WM8904_WSEQ_BUSY (1 << 0) /* Bit 0: Sequencer busy flag */ /* 0x74 FLL Control 1 */ #define WM8904_FLL_FRACN_ENA (1 << 2) /* Bit 2: FLL fractional enable */ #define WM8904_FLL_OSC_ENA (1 << 1) /* Bit 1: FLL oscillator enable */ #define WM8904_FLL_ENA (1 << 0) /* Bit 0: FLL enable */ /* 0x75 FLL Control 2 */ #define WM8904_FLL_OUTDIV_SHIFT (8) /* Bits 8-13: FLL FOUT clock divider */ #define WM8904_FLL_OUTDIV_MASK (63 << WM8904_FLL_OUTDIV_SHIFT) # define WM8904_FLL_OUTDIV(n) ((uint16_t)((n)-1) << WM8904_FLL_OUTDIV_SHIFT) #define WM8904_FLL_CTRL_RATE_SHIFT (4) /* Bits 4-6: Frequency of the FLL control block */ #define WM8904_FLL_CTRL_RATE_MASK (7 << WM8904_FLL_CTRL_RATE_SHIFT) # define WM8904_FLL_CTRL_RATE(n) ((uint16_t)((n)-1) << WM8904_FLL_CTRL_RATE_SHIFT) #define WM8904_FLL_FRATIO_SHIFT (0) /* Bits 0-2: FVCO clock divider */ #define WM8904_FLL_FRATIO_MASK (7 << WM8904_FLL_FRATIO_SHIFT) # define WM8904_FLL_FRATIO(n) ((uint32_t)(n) << WM8904_FLL_FRATIO_SHIFT) # define WM8904_FLL_FRATIO_DIV1 (0 << WM8904_FLL_FRATIO_SHIFT) /* Divide by 1 */ # define WM8904_FLL_FRATIO_DIV2 (1 << WM8904_FLL_FRATIO_SHIFT) /* Divide by 2 */ # define WM8904_FLL_FRATIO_DIV4 (2 << WM8904_FLL_FRATIO_SHIFT) /* Divide by 4 */ # define WM8904_FLL_FRATIO_DIV8 (3 << WM8904_FLL_FRATIO_SHIFT) /* Divide by 8 */ # define WM8904_FLL_FRATIO_DIV16 (4 << WM8904_FLL_FRATIO_SHIFT) /* Divide by 16 */ /* 0x76 FLL Control 3, Bits 0-15=Fractional multiply for FREF */ /* 0x77 FLL Control 4 */ #define WM8904_FLL_N_SHIFT (5) /* Bits 5-14: Integer multiply for FREF */ #define WM8904_FLL_N_MASK (0x3ff << WM8904_FLL_N_SHIFT) # define WM8904_FLL_N(n) ((uint16_t)(n) << WM8904_FLL_N_SHIFT) #define WM8904_FLL_GAIN_SHIFT (0) /* Bits 0-3: FLL Gain applied to error */ #define WM8904_FLL_GAIN_MASK (15 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X1 (0 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X2 (1 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X4 (2 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X8 (3 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X16 (4 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X32 (5 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X64 (6 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X128 (7 << WM8904_FLL_GAIN_SHIFT) # define WM8904_FLL_GAIN_X256 (8 << WM8904_FLL_GAIN_SHIFT) /* 0x78 FLL Control 5 */ #define WM8904_FLL_CLK_REF_DIV_SHIFT (3) /* Bits 3-4: FLL clock reference divider */ #define WM8904_FLL_CLK_REF_DIV_MASK (3 << WM8904_FLL_CLK_REF_DIV_SHIFT) # define WM8904_FLL_CLK_REF_DIV1 (0 << WM8904_FLL_CLK_REF_DIV_SHIFT) /* MCLK / 1 */ # define WM8904_FLL_CLK_REF_DIV2 (1 << WM8904_FLL_CLK_REF_DIV_SHIFT) /* MCLK / 2 */ # define WM8904_FLL_CLK_REF_DIV4 (2 << WM8904_FLL_CLK_REF_DIV_SHIFT) /* MCLK / 4 */ # define WM8904_FLL_CLK_REF_DIV8 (3 << WM8904_FLL_CLK_REF_DIV_SHIFT) /* MCLK / 8 */ #define WM8904_FLL_CLK_REF_SRC_SHIFT (0) /* Bits 0-2: FLL clock source */ #define WM8904_FLL_CLK_REF_SRC_MASK (3 << WM8904_FLL_CLK_REF_SRC_SHIFT) # define WM8904_FLL_CLK_REF_SRC_MCLK (0 << WM8904_FLL_CLK_REF_SRC_SHIFT) # define WM8904_FLL_CLK_REF_SRC_BCLK (1 << WM8904_FLL_CLK_REF_SRC_SHIFT) # define WM8904_FLL_CLK_REF_SRC_LRCLK (2 << WM8904_FLL_CLK_REF_SRC_SHIFT) /* 0x79 GPIO Control 1 */ #define WM8904_GPIO1_PU (1 << 5) /* Bit 5: GPIO1 pull-up resistor enable */ #define WM8904_GPIO1_PD (1 << 4) /* Bit 4: GPIO1 pull-down resistor enable */ #define WM8904_GPIO1_SEL_SHIFT (0) /* Bits 0-3: */ #define WM8904_GPIO1_SEL_MASK (15 << WM8904_GPIO1_SEL_SHIFT) # define WM8904_GPIO1_SEL_INPUT (0 << WM8904_GPIO1_SEL_SHIFT) /* Input pin */ # define WM8904_GPIO1_SEL_CLKOUT (1 << WM8904_GPIO1_SEL_SHIFT) /* Clock output (f=SYSCLK/OPCLKDIV) */ # define WM8904_GPIO1_SEL_ZERO (2 << WM8904_GPIO1_SEL_SHIFT) /* Logic '0' */ # define WM8904_GPIO1_SEL_ONE (3 << WM8904_GPIO1_SEL_SHIFT) /* Logic '1' */ # define WM8904_GPIO1_SEL_IRQ (4 << WM8904_GPIO1_SEL_SHIFT) /* IRQ */ # define WM8904_GPIO1_SEL_FLLLOCK (5 << WM8904_GPIO1_SEL_SHIFT) /* FLL Lock */ # define WM8904_GPIO1_SEL_MICDET (6 << WM8904_GPIO1_SEL_SHIFT) /* Mic Detect */ # define WM8904_GPIO1_SEL_MICSHORT (7 << WM8904_GPIO1_SEL_SHIFT) /* Mic Short */ # define WM8904_GPIO1_SEL_DMICOUT (8 << WM8904_GPIO1_SEL_SHIFT) /* DMIC clock out */ # define WM8904_GPIO1_SEL_FLLOUT (9 << WM8904_GPIO1_SEL_SHIFT) /* FLL Clock Output */ /* 0x7a GPIO Control 2 */ #define WM8904_GPIO2_PU (1 << 5) /* Bit 5: GPIO2 pull-up resistor enable */ #define WM8904_GPIO2_PD (1 << 4) /* Bit 4: GPIO2 pull-down resistor enable */ #define WM8904_GPIO2_SEL_SHIFT (0) /* Bits 0-3: */ #define WM8904_GPIO2_SEL_MASK (15 << WM8904_GPIO2_SEL_SHIFT) # define WM8904_GPIO2_SEL_INPUT (0 << WM8904_GPIO2_SEL_SHIFT) /* Input pin */ # define WM8904_GPIO2_SEL_CLKOUT (1 << WM8904_GPIO2_SEL_SHIFT) /* Clock output (f=SYSCLK/OPCLKDIV) */ # define WM8904_GPIO2_SEL_ZERO (2 << WM8904_GPIO2_SEL_SHIFT) /* Logic '0' */ # define WM8904_GPIO2_SEL_ONE (3 << WM8904_GPIO2_SEL_SHIFT) /* Logic '1' */ # define WM8904_GPIO2_SEL_IRQ (4 << WM8904_GPIO2_SEL_SHIFT) /* IRQ */ # define WM8904_GPIO2_SEL_FLLLOCK (5 << WM8904_GPIO2_SEL_SHIFT) /* FLL Lock */ # define WM8904_GPIO2_SEL_MICDET (6 << WM8904_GPIO2_SEL_SHIFT) /* Mic Detect */ # define WM8904_GPIO2_SEL_MICSHORT (7 << WM8904_GPIO2_SEL_SHIFT) /* Mic Short */ # define WM8904_GPIO2_SEL_DMICOUT (8 << WM8904_GPIO2_SEL_SHIFT) /* DMIC clock out */ # define WM8904_GPIO2_SEL_FLLOUT (9 << WM8904_GPIO2_SEL_SHIFT) /* FLL Clock Output */ /* 0x7b GPIO Control 3 */ #define WM8904_GPIO3_PU (1 << 5) /* Bit 5: GPIO3 pull-up resistor enable */ #define WM8904_GPIO3_PD (1 << 4) /* Bit 4: GPIO3 pull-down resistor enable */ #define WM8904_GPIO3_SEL_SHIFT (0) /* Bits 0-3: */ #define WM8904_GPIO3_SEL_MASK (15 << WM8904_GPIO3_SEL_SHIFT) # define WM8904_GPIO3_SEL_INPUT (0 << WM8904_GPIO3_SEL_SHIFT) /* Input pin */ # define WM8904_GPIO3_SEL_CLKOUT (1 << WM8904_GPIO3_SEL_SHIFT) /* Clock output (f=SYSCLK/OPCLKDIV) */ # define WM8904_GPIO3_SEL_ZERO (2 << WM8904_GPIO3_SEL_SHIFT) /* Logic '0' */ # define WM8904_GPIO3_SEL_ONE (3 << WM8904_GPIO3_SEL_SHIFT) /* Logic '1' */ # define WM8904_GPIO3_SEL_IRQ (4 << WM8904_GPIO3_SEL_SHIFT) /* IRQ */ # define WM8904_GPIO3_SEL_FLLLOCK (5 << WM8904_GPIO3_SEL_SHIFT) /* FLL Lock */ # define WM8904_GPIO3_SEL_MICDET (6 << WM8904_GPIO3_SEL_SHIFT) /* Mic Detect */ # define WM8904_GPIO3_SEL_MICSHORT (7 << WM8904_GPIO3_SEL_SHIFT) /* Mic Short */ # define WM8904_GPIO3_SEL_DMICOUT (8 << WM8904_GPIO3_SEL_SHIFT) /* DMIC clock out */ # define WM8904_GPIO3_SEL_FLLOUT (9 << WM8904_GPIO3_SEL_SHIFT) /* FLL Clock Output */ /* 0x7c GPIO Control 4 */ #define WM8904_GPI7_ENA (1 << 9) /* Bit 9: GPI7 input enable */ #define WM8904_GPI8_ENA (1 << 8) /* Bit 8: GPI8 input enable */ #define WM8904_GPIO_BCLK_MODE_ENA (1 << 7) /* Bit 7: Selects BCLK/GPIO4 pin function */ #define WM8904_GPIO_BCLK_SEL_SHIFT (0) /* Bits 0-3: GPIO_BCLK function select */ #define WM8904_GPIO_BCLK_SEL_MASK (15 << WM8904_GPIO_BCLK_SEL_SHIFT) # define WM8904_GPIO_BCLK_SEL_INPUT (0 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Input pin */ # define WM8904_GPIO_BCLK_SEL_CLKOUT (1 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Clock output (f=SYSCLK/OPCLKDIV) */ # define WM8904_GPIO_BCLK_SEL_ZERO (2 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Logic '0' */ # define WM8904_GPIO_BCLK_SEL_ONE (3 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Logic '1' */ # define WM8904_GPIO_BCLK_SEL_IRQ (4 << WM8904_GPIO_BCLK_SEL_SHIFT) /* IRQ */ # define WM8904_GPIO_BCLK_SEL_FLLLOCK (5 << WM8904_GPIO_BCLK_SEL_SHIFT) /* FLL Lock */ # define WM8904_GPIO_BCLK_SEL_MICDET (6 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Mic Detect */ # define WM8904_GPIO_BCLK_SEL_MICSHORT (7 << WM8904_GPIO_BCLK_SEL_SHIFT) /* Mic Short */ # define WM8904_GPIO_BCLK_SEL_DMICOUT (8 << WM8904_GPIO_BCLK_SEL_SHIFT) /* DMIC clock out */ # define WM8904_GPIO_BCLK_SEL_FLLOUT (9 << WM8904_GPIO_BCLK_SEL_SHIFT) /* FLL Clock Output */ /* 0x7e Digital Pulls */ #define WM8904_MCLK_PU (1 << 7) /* Bit 7: MCLK pull-up resistor enable */ #define WM8904_MCLK_PD (1 << 6) /* Bit 6: MCLK pull-down resistor enable */ #define WM8904_DACDAT_PU (1 << 5) /* Bit 5: DACDAT pull-up resistor enable */ #define WM8904_DACDAT_PD (1 << 4) /* Bit 4: DACDAT pull-down resistor enable */ #define WM8904_LRCLK_PU (1 << 3) /* Bit 3: LRCLK pull-up resistor enable */ #define WM8904_LRCLK_PD (1 << 2) /* Bit 2: LRCLK pull-down resistor enable */ #define WM8904_BCLK_PU (1 << 1) /* Bit 1: BCLK pull-up resistor enable */ #define WM8904_BCLK_PD (1 << 0) /* Bit 0: BCLK pull-down resistor enable */ /* Common interrupt bits */ /* 0x7f Interrupt Status */ /* 0x80 Interrupt Status Mask */ /* 0x81 Interrupt Polarity */ /* 0x82 Interrupt Debounce */ #define WM8904_GPIO_BCLK_INT (1 << 9) /* Bit 9: GPIO4 interrupt */ #define WM8904_WSEQ_INT (1 << 8) /* Bit 8: Write Sequence interrupt */ #define WM8904_GPIO3_INT (1 << 7) /* Bit 7: GPIO3 interrupt */ #define WM8904_GPIO2_INT (1 << 6) /* Bit 6: GPIO2 interrupt */ #define WM8904_GPIO1_INT (1 << 5) /* Bit 5: GPIO1 interrupt */ #define WM8904_GPI8_INT (1 << 4) /* Bit 4: GPI8 interrupt */ #define WM8904_GPI7_INT (1 << 3) /* Bit 3: GPI7 interrupt */ #define WM8904_FLL_LOCK_INT (1 << 2) /* Bit 2: FLL Lock interrupt */ #define WM8904_MIC_SHRT_INT (1 << 1) /* Bit 1: MICBIAS short circuit interrupt */ #define WM8904_MIC_DET_INT (1 << 0) /* Bit 0: MICBIAS short circuit interrupt */ #define WM8904_ALL_INTS (0x03ff) /* 0x7f Interrupt Status (only) */ #define WM8904_IRQ (1 << 10) /* Bit 10: Logical OR of all other interrupt flags */ /* 0x86 EQ1 */ #define WM8904_EQ_ENA (1 << 0) /* Bit 0: EQ enable */ /* 0x87-0x8b EQ2-EQ6: 5 bit equalizer value */ /* 0x8c-0x9d EQ7-EQ24: 16-bit equalizer value */ /* 0xa1 Control Interface Test 1 */ #define WM8904_USER_KEY 0x0002 /* 0xc6 ADC Test */ #define WM8904_ADC_128_OSR_TST_MODE (1 << 2) /* Bit 2: ADC bias control (1) */ #define WM8904_ADC_BIASX1P5 (1 << 0) /* Bit 0: ADC bias control (2) */ /* 0xcc Analogue Output Bias 0 */ #define WM8904_ANA_OUT_BIAS_SHIFT (4) /* Bits 4-6: */ #define WM8904_ANA_OUT_BIAS_MASK (7 << WM8904_ANA_OUT_BIAS_SHIFT) # define WM8904_ANA_OUT_BIAS(n) ((uint16_t)(n) << WM8904_ANA_OUT_BIAS_SHIFT) /* 0xf7 FLL NCO Test 0 */ #define WM8904_FLL_FRC_NCO (1 << 0) /* Bit 0: FLL Forced control select */ /* 0xf8 FLL NCO Test 1 */ #define WM8904FLL_FRC_NCO_SHIFT (0) /* Bits 0-5: FLL forced oscillator value */ #define WM8904FLL_FRC_NCO_MASK (0x3f << WM8904FLL_FRC_NCO_SHIFT) # define WM8904FLL_FRC_NCO_VAL(n) ((uint16_t)(n) << WM8904FLL_FRC_NCO_SHIFT) /* FLL Configuration *********************************************************/ /* Default FLL configuration */ #define WM8904_DEFAULT_SAMPRATE 11025 /* Initial sample rate */ #define WM8904_DEFAULT_NCHANNELS 1 /* Initial number of channels */ #define WM8904_DEFAULT_BPSAMP 16 /* Initial bits per sample */ #define WM8904_NFLLRATIO_DIV1 0 /* Values of the FLL_RATIO field */ #define WM8904_NFLLRATIO_DIV2 1 #define WM8904_NFLLRATIO_DIV4 2 #define WM8904_NFLLRATIO_DIV8 3 #define WM8904_NFLLRATIO_DIV16 4 #define WM8904_NFLLRATIO 5 /* Number of FLL_RATIO values */ #define WM8904_MINOUTDIV 4 /* Minimum FLL_OUTDIV divider */ #define WM8904_MAXOUTDIV 64 /* Maximum FLL_OUTDIV divider */ #define WM8904_BCLK_MAXDIV 20 /* Maximum BCLK divider */ #define WM8904_FVCO_MIN 90000000 /* Minimum value of Fvco */ #define WM8904_FVCO_MAX 100000000 /* Maximum value of Fvco */ #define WM8904_FRAMELEN8 14 /* Bits per frame for 8-bit data */ #define WM8904_FRAMELEN16 32 /* Bits per frame for 16-bit data */ /* Commonly defined and redefined macros */ #ifndef MIN # define MIN(a,b) (((a) < (b)) ? (a) : (b)) #endif #ifndef MAX # define MAX(a,b) (((a) > (b)) ? (a) : (b)) #endif /**************************************************************************** * Public Types ****************************************************************************/ struct wm8904_dev_s { /* We are an audio lower half driver (We are also the upper "half" of * the WM8904 driver with respect to the board lower half driver). * * Terminology: Our "lower" half audio instances will be called dev for the * publicly visible version and "priv" for the version that only this driver * knows. From the point of view of this driver, it is the board lower * "half" that is referred to as "lower". */ struct audio_lowerhalf_s dev; /* WM8904 audio lower half (this device) */ /* Our specific driver data goes here */ const FAR struct wm8904_lower_s *lower; /* Pointer to the board lower functions */ FAR struct i2c_dev_s *i2c; /* I2C driver to use */ FAR struct i2s_dev_s *i2s; /* I2S driver to use */ struct dq_queue_s pendq; /* Queue of pending buffers to be sent */ struct dq_queue_s doneq; /* Queue of sent buffers to be returned */ mqd_t mq; /* Message queue for receiving messages */ char mqname[16]; /* Our message queue name */ pthread_t threadid; /* ID of our thread */ uint32_t bitrate; /* Actual programmed bit rate */ sem_t pendsem; /* Protect pendq */ #ifdef WM8904_USE_FFLOCK_INT struct work_s work; /* Interrupt work */ #endif uint16_t samprate; /* Configured samprate (samples/sec) */ #ifndef CONFIG_AUDIO_EXCLUDE_VOLUME #ifndef CONFIG_AUDIO_EXCLUDE_BALANCE uint16_t balance; /* Current balance level (b16) */ #endif /* CONFIG_AUDIO_EXCLUDE_BALANCE */ uint8_t volume; /* Current volume level {0..63} */ #endif /* CONFIG_AUDIO_EXCLUDE_VOLUME */ uint8_t nchannels; /* Number of channels (1 or 2) */ uint8_t bpsamp; /* Bits per sample (8 or 16) */ volatile uint8_t inflight; /* Number of audio buffers in-flight */ #ifdef WM8904_USE_FFLOCK_INT volatile bool locked; /* FLL is locked */ #endif bool running; /* True: Worker thread is running */ bool paused; /* True: Playing is paused */ bool mute; /* True: Output is muted */ #ifndef CONFIG_AUDIO_EXCLUDE_STOP bool terminating; /* True: Stop requested */ #endif bool reserved; /* True: Device is reserved */ volatile int result; /* The result of the last transfer */ }; /**************************************************************************** * Public Data ****************************************************************************/ #ifdef CONFIG_WM8904_CLKDEBUG extern const uint8_t g_sysclk_scaleb1[WM8904_BCLK_MAXDIV+1]; extern const uint8_t g_fllratio[WM8904_NFLLRATIO]; #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /**************************************************************************** * Name: wm8904_readreg * * Description * Read the specified 16-bit register from the WM8904 device. * ****************************************************************************/ #if defined(CONFIG_WM8904_REGDUMP) || defined(CONFIG_WM8904_CLKDEBUG) struct wm8904_dev_s; uint16_t wm8904_readreg(FAR struct wm8904_dev_s *priv, uint8_t regaddr); #endif #endif /* CONFIG_AUDIO */ #endif /* __DRIVERS_AUDIO_WM8904_H */