mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-07 12:07:09 +03:00
562 lines
19 KiB
C
562 lines
19 KiB
C
/*
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* Squeezelite for esp32
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*
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* (c) Sebastien 2019
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* Philippe G. 2019, philippe_44@outlook.com
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*
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*/
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#include <string.h>
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//#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/i2s.h"
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#include "driver/i2c.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "adac.h"
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#include "stdio.h"
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#include "math.h"
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#define CS4265_PULL_UP (0x4F )
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#define CS4265_PULL_DOWN (0x4E )
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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static const char TAG[] = "CS4265";
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static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
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static void speaker(bool active);
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static void headset(bool active);
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static bool volume(unsigned left, unsigned right);
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static void power(adac_power_e mode);
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static esp_err_t cs4265_update_bit(uint8_t reg_no,uint8_t mask,uint8_t val );
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static esp_err_t set_clock();
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const struct adac_s dac_cs4265 = { "CS4265", init, adac_deinit, power, speaker, headset, volume };
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struct cs4265_cmd_s {
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uint8_t reg;
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uint8_t value;
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};
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struct cs4265_private {
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uint8_t format;
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uint32_t sysclk;
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i2s_config_t *i2s_config;
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int i2c_port;
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};
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struct cs4265_private cs4265;
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#define CS4265_CHIP_ID 0x1
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#define CS4265_CHIP_ID_VAL 0xD0
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#define CS4265_CHIP_ID_MASK 0xF0
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#define CS4265_REV_ID_MASK 0x0F
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#define CS4265_PWRCTL 0x02
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#define CS4265_PWRCTL_PDN (1 << 0)
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#define CS4265_PWRCTL_PDN_DAC (1 << 1)
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#define CS4265_PWRCTL_PDN_ADC (1 << 2)
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#define CS4265_PWRCTL_PDN_MIC (1 << 3)
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#define CS4265_PWRCTL_FREEZE (1 << 7)
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#define CS4265_PWRCTL_PDN_ALL CS4265_PWRCTL_PDN | CS4265_PWRCTL_PDN_ADC | CS4265_PWRCTL_PDN_DAC | CS4265_PWRCTL_PDN_MIC
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#define CS4265_DAC_CTL 0x3
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// De-Emphasis Control (Bit 1)
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// The standard 50/15 i2s digital de-emphasis filter response may be implemented for a sample
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// rate of 44.1 kHz when the DeEmph bit is set. NOTE: De-emphasis is available only in Single-Speed Mode.
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#define CS4265_DAC_CTL_DEEMPH (1 << 1)
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// MUTE DAC
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// The DAC outputs will mute and the MUTEC pin will become active when this bit is set. Though this bit is
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// active high, it should be noted that the MUTEC pin is active low. The common mode voltage on the outputs
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// will be retained when this bit is set. The muting function is effected, similar to attenuation changes, by the
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// DACSoft and DACZero bits in the DAC Control 2 register.
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#define CS4265_DAC_CTL_MUTE (1 << 2)
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// The required relationship between LRCK, SCLK and SDIN for the DAC is defined by the DAC Digital Interface
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// DAC_DIF1 DAC_DIF0 Description Format Figure
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// 0 0 Left Justified, up to 24-bit data (default) 0 5
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// 0 1 I²S, up to 24-bit data 1 6
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// 1 0 Right-Justified, 16-bit Data 2 7
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// 1 1 Right-Justified, 24-bit Data 3 7
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#define CS4265_DAC_CTL_DIF0 (1 << 4)
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// The required relationship between LRCK, SCLK and SDIN for the DAC is defined by the DAC Digital Interface
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// DAC_DIF1 DAC_DIF0 Description Format Figure
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// 0 0 Left Justified, up to 24-bit data (default) 0 5
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// 0 1 I²S, up to 24-bit data 1 6
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// 1 0 Right-Justified, 16-bit Data 2 7
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// 1 1 Right-Justified, 24-bit Data 3 7
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#define CS4265_DAC_CTL_DIF1 (1 << 5)
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#define CS4265_ADC_CTL 0x4
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#define CS4265_ADC_MASTER 1
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#define CS4265_ADC_CTL_MUTE (1 << 2)
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#define CS4265_ADC_DIF (1 << 4)
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#define CS4265_ADC_FM (3 << 6)
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//Master Clock Dividers (Bits 6:4)
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//Sets the frequency of the supplied MCLK signal.
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//
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//MCLK Divider MCLK Freq2 MCLK Freq1 MCLK Freq0
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// ÷ 1 0 0 0
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// ÷ 1.5 0 0 1
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// ÷ 2 0 1 0
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// ÷ 3 0 1 1
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// ÷ 4 1 0 0
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// NA 1 0 1
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// NA 1 1 x
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#define CS4265_MCLK_FREQ 0x5
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#define CS4265_MCLK_FREQ_1_0X (0b000<<4 )
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#define CS4265_MCLK_FREQ_1_5X (0b001<<4 )
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#define CS4265_MCLK_FREQ_2_0X (0b010<<4 )
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#define CS4265_MCLK_FREQ_3_0X (0b011<<4 )
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#define CS4265_MCLK_FREQ_4_0X (0b100<<4 )
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#define CS4265_MCLK_FREQ_MASK (7 << 4)
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#define CS4265_SIG_SEL 0x6
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#define CS4265_SIG_SEL_LOOP (1 << 1)
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#define CS4265_SIG_SEL_SDIN2 (1 << 7)
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#define CS4265_SIG_SEL_SDIN1 (0 << 7)
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// Sets the gain or attenuation for the ADC input PGA stage. The gain may be adjusted from -12 dB to
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// +12 dB in 0.5 dB steps. The gain bits are in two’s complement with the Gain0 bit set for a 0.5 dB step.
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// Register settings outside of the ±12 dB range are reserved and must not be used. See Table 13 for example settings
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#define CS4265_CHB_PGA_CTL 0x7
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// Sets the gain or attenuation for the ADC input PGA stage. The gain may be adjusted from -12 dB to
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// +12 dB in 0.5 dB steps. The gain bits are in two’s complement with the Gain0 bit set for a 0.5 dB step.
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// Register settings outside of the ±12 dB range are reserved and must not be used. See Table 13 for example settings
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#define CS4265_CHA_PGA_CTL 0x8
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// Gain[5:0] Setting
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// 101000 -12 dB
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// 000000 0 dB
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// 011000 +12 dB
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#define CS4265_ADC_CTL2 0x9
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// The digital volume control allows the user to attenuate the signal in 0.5 dB increments from 0 to -127 dB.
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// The Vol0 bit activates a 0.5 dB attenuation when set, and no attenuation when cleared. The Vol[7:1] bits
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// activate attenuation equal to their decimal equivalent (in dB).
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//Binary Code Volume Setting
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//00000000 0 dB
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//00000001 -0.5 dB
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//00101000 -20 dB
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//00101001 -20.5 dB
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//11111110 -127 dB
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//11111111 -127.5 dB
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#define CS4265_DAC_CHA_VOL 0xA
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// The digital volume control allows the user to attenuate the signal in 0.5 dB increments from 0 to -127 dB.
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// The Vol0 bit activates a 0.5 dB attenuation when set, and no attenuation when cleared. The Vol[7:1] bits
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// activate attenuation equal to their decimal equivalent (in dB).
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//Binary Code Volume Setting
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//00000000 0 dB
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//00000001 -0.5 dB
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//00101000 -20 dB
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//00101001 -20.5 dB
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//11111110 -127 dB
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//11111111 -127.5 dB
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#define CS4265_DAC_CHB_VOL 0xB
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#define CS4265_DAC_VOL_ATT_000_0 0b00000000
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#define CS4265_DAC_VOL_ATT_000_5 0b00000001
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#define CS4265_DAC_VOL_ATT_020_0 0b00101000
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#define CS4265_DAC_VOL_ATT_020_5 0b00101001
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#define CS4265_DAC_VOL_ATT_127_0 0b11111110
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#define CS4265_DAC_VOL_ATT_127_5 0b11111111
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// DAC Soft Ramp or Zero Cross Enable (Bits 7:6)
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//
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// Soft Ramp Enable
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// Soft Ramp allows level changes, both muting and attenuation, to be implemented by incrementally ramping, in 1/8 dB steps, from the current level to the new level at a rate of 1 dB per 8 left/right clock periods.
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// See Table 17.
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// Zero Cross Enable
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// Zero Cross Enable dictates that signal-level changes, either by attenuation changes or muting, will occur
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// on a signal zero crossing to minimize audible artifacts. The requested level change will occur after a timeout period between 512 and 1024 sample periods (10.7 ms to 21.3 ms at 48 kHz sample rate) if the signal
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// does not encounter a zero crossing. The zero cross function is independently monitored and implemented
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// for each channel. See Table 17.
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// Soft Ramp and Zero Cross Enable
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// Soft Ramp and Zero Cross Enable dictate that signal-level changes, either by attenuation changes or muting, will occur in 1/8 dB steps and be implemented on a signal zero crossing. The 1/8 dB level change will
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// occur after a time-out period between 512 and 1024 sample periods (10.7 ms to 21.3 ms at 48 kHz sample rate) if the signal does not encounter a zero crossing. The zero cross function is independently monitored and implemented for each channel
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// DACSoft DACZeroCross Mode
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// 0 0 Changes to affect immediately
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// 0 1 Zero Cross enabled
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// 1 0 Soft Ramp enabled
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// 1 1 Soft Ramp and Zero Cross enabled (default)
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#define CS4265_DAC_CTL2 0xC
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#define CS4265_DAC_CTL2_ZERO_CROSS_EN (uint8_t)(0b01 <<7)
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#define CS4265_DAC_CTL2_SOFT_RAMP_EN (uint8_t)(0b10 <<7)
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#define CS4265_DAC_CTL2_SOFT_RAMP_ZERO_CROSS_EN (uint8_t)(0b11 <<7)
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#define CS4265_INT_STATUS 0xD
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#define CS4265_INT_STATUS_ADC_UNDF (1<<0)
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#define CS4265_INT_STATUS_ADC_OVF (1<<1)
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#define CS4265_INT_STATUS_CLKERR (1<<3)
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#define CS4265_INT_MASK 0xE
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#define CS4265_STATUS_MODE_MSB 0xF
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#define CS4265_STATUS_MODE_LSB 0x10
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//Transmitter Control 1 - Address 11h
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#define CS4265_SPDIF_CTL1 0x11
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#define CS4265_SPDIF_CTL2 0x12
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// Transmitter Digital Interface Format (Bits 7:6)
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// Function:
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// The required relationship between LRCK, SCLK and SDIN for the transmitter is defined
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// Tx_DIF1 Tx_DIF0 Description Format Figure
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// 0 0 Left Justified, up to 24-bit data (default) 0 5
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// 0 1 I²S, up to 24-bit data 1 6
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// 1 0 Right-Justified, 16-bit Data 2 7
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// 1 1 Right-Justified, 24-bit Data 3 7
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#define CS4265_SPDIF_CTL2_MMTLR (1<<0)
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#define CS4265_SPDIF_CTL2_MMTCS (1<<1)
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#define CS4265_SPDIF_CTL2_MMT (1<<2)
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#define CS4265_SPDIF_CTL2_V (1<<3)
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#define CS4265_SPDIF_CTL2_TXMUTE (1<<4)
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#define CS4265_SPDIF_CTL2_TXOFF (1<<5)
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#define CS4265_SPDIF_CTL2_MUTE (1 << 4)
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#define CS4265_SPDIF_CTL2_DIF (3 << 6)
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#define CS4265_SPDIF_CTL2_DIF0 (1 << 6)
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#define CS4265_SPDIF_CTL2_DIF1 (1 << 7)
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#define CS4265_C_DATA_BUFF 0x13
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#define CS4265_MAX_REGISTER 0x2A
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struct cs4265_clk_para {
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uint32_t mclk;
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uint32_t rate;
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uint8_t fm_mode; /* values 1, 2, or 4 */
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uint8_t mclkdiv;
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};
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static const struct cs4265_clk_para clk_map_table[] = {
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/*32k*/
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{8192000, 32000, 0, 0},
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{12288000, 32000, 0, 1},
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{16384000, 32000, 0, 2},
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{24576000, 32000, 0, 3},
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{32768000, 32000, 0, 4},
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/*44.1k*/
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{11289600, 44100, 0, 0},
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{16934400, 44100, 0, 1},
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{22579200, 44100, 0, 2},
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{33868000, 44100, 0, 3},
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{45158400, 44100, 0, 4},
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/*48k*/
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{12288000, 48000, 0, 0},
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{18432000, 48000, 0, 1},
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{24576000, 48000, 0, 2},
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{36864000, 48000, 0, 3},
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{49152000, 48000, 0, 4},
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/*64k*/
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{8192000, 64000, 1, 0},
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{12288000, 64000, 1, 1},
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{16934400, 64000, 1, 2},
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{24576000, 64000, 1, 3},
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{32768000, 64000, 1, 4},
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/* 88.2k */
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{11289600, 88200, 1, 0},
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{16934400, 88200, 1, 1},
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{22579200, 88200, 1, 2},
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{33868000, 88200, 1, 3},
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{45158400, 88200, 1, 4},
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/* 96k */
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{12288000, 96000, 1, 0},
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{18432000, 96000, 1, 1},
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{24576000, 96000, 1, 2},
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{36864000, 96000, 1, 3},
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{49152000, 96000, 1, 4},
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/* 128k */
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{8192000, 128000, 2, 0},
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{12288000, 128000, 2, 1},
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{16934400, 128000, 2, 2},
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{24576000, 128000, 2, 3},
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{32768000, 128000, 2, 4},
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/* 176.4k */
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{11289600, 176400, 2, 0},
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{16934400, 176400, 2, 1},
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{22579200, 176400, 2, 2},
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{33868000, 176400, 2, 3},
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{49152000, 176400, 2, 4},
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/* 192k */
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{12288000, 192000, 2, 0},
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{18432000, 192000, 2, 1},
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{24576000, 192000, 2, 2},
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{36864000, 192000, 2, 3},
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{49152000, 192000, 2, 4},
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};
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static const struct cs4265_cmd_s cs4265_init_sequence[] = {
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{CS4265_PWRCTL, CS4265_PWRCTL_PDN_ADC | CS4265_PWRCTL_FREEZE | CS4265_PWRCTL_PDN_DAC | CS4265_PWRCTL_PDN_MIC},
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{CS4265_DAC_CTL, CS4265_DAC_CTL_DIF0 | CS4265_DAC_CTL_MUTE},
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{CS4265_SIG_SEL, CS4265_SIG_SEL_SDIN1},/// SDIN1
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{CS4265_SPDIF_CTL2, CS4265_SPDIF_CTL2_DIF0 },//
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{CS4265_ADC_CTL, 0x00 },// // Set the serial audio port in slave mode
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{CS4265_MCLK_FREQ, CS4265_MCLK_FREQ_1_0X },// // no divider
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{CS4265_CHB_PGA_CTL, 0x00 },// // sets the gain to 0db on channel B
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{CS4265_CHA_PGA_CTL, 0x00 },// // sets the gain to 0db on channel A
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{CS4265_ADC_CTL2, 0x19 },//
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{CS4265_DAC_CHA_VOL,CS4265_DAC_VOL_ATT_000_0 },// Full volume out
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{CS4265_DAC_CHB_VOL, CS4265_DAC_VOL_ATT_000_0 },// // Full volume out
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{CS4265_DAC_CTL2, CS4265_DAC_CTL2_SOFT_RAMP_ZERO_CROSS_EN },//
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{CS4265_SPDIF_CTL1, 0x00 },//
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{CS4265_INT_MASK, 0x00 },//
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{CS4265_STATUS_MODE_MSB, 0x00 },//
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{CS4265_STATUS_MODE_LSB, 0x00 },//
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{0xff,0xff}
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};
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// matching orders
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typedef enum { cs4265_ACTIVE = 0, cs4265_STANDBY, cs4265_DOWN, cs4265_ANALOGUE_OFF, cs4265_ANALOGUE_ON, cs4265_VOLUME } dac_cmd_e;
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static int cs4265_addr;
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static void dac_cmd(dac_cmd_e cmd, ...);
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static int cs4265_detect(void);
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static uint32_t calc_rnd_mclk_freq(){
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float m_scale = (cs4265.i2s_config->sample_rate > 96000 && cs4265.i2s_config->bits_per_sample > 16) ? 4 : 8;
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float num_channels = cs4265.i2s_config->channel_format < I2S_CHANNEL_FMT_ONLY_RIGHT ? 2 : 1;
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return (uint32_t) round(cs4265.i2s_config->bits_per_sample*i2s_get_clk(cs4265.i2c_port)* m_scale*num_channels/100)*100;
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}
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static int cs4265_get_clk_index(int mclk, int rate)
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{
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for (int i = 0; i < ARRAY_SIZE(clk_map_table); i++) {
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if (clk_map_table[i].rate == rate &&
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clk_map_table[i].mclk == mclk)
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return i;
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}
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return -1;
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}
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static esp_err_t set_clock(){
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esp_err_t err = ESP_OK;
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uint32_t mclk = calc_rnd_mclk_freq();
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int index = cs4265_get_clk_index(mclk,cs4265.i2s_config->sample_rate );
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if (index >= 0) {
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ESP_LOGD(TAG, "Setting clock for mclk %u, rate %u (fm mode:%u, clk div:%u))", mclk,cs4265.i2s_config->sample_rate,clk_map_table[index].fm_mode,clk_map_table[index].mclkdiv);
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err=cs4265_update_bit(CS4265_ADC_CTL,CS4265_ADC_FM, clk_map_table[index].fm_mode << 6);
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err|=cs4265_update_bit( CS4265_MCLK_FREQ,CS4265_MCLK_FREQ_MASK,clk_map_table[index].mclkdiv << 4);
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} else {
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ESP_LOGE(TAG,"can't get correct mclk for ");
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return -1;
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}
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return err;
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}
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static void get_status(){
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uint8_t sts1= adac_read_byte(cs4265_addr, CS4265_INT_STATUS);
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ESP_LOGD(TAG,"Status: %s",sts1&CS4265_INT_STATUS_CLKERR?"CLK Error":"CLK OK");
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}
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/****************************************************************************************
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* init
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*/
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static bool init(char *config, int i2c_port, i2s_config_t *i2s_config) {
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// find which TAS we are using (if any)
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cs4265_addr = adac_init(config, i2c_port);
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cs4265.i2s_config = i2s_config;
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cs4265.i2c_port=i2c_port;
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if (!cs4265_addr) cs4265_addr = cs4265_detect();
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if (!cs4265_addr) {
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ESP_LOGE(TAG, "No cs4265 detected");
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adac_deinit();
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return false;
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}
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#if BYTES_PER_FRAME == 8
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ESP_LOGE(TAG,"The CS4265 does not support 32 bits mode. ");
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adac_deinit();
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return false;
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#endif
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// configure MLK
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ESP_LOGD(TAG, "Configuring MCLK on GPIO0");
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PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
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REG_WRITE(PIN_CTRL, 0xFFFFFFF0);
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i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
|
||
for (int i = 0; cs4265_init_sequence[i].reg != 0xff; i++) {
|
||
i2c_master_start(i2c_cmd);
|
||
i2c_master_write_byte(i2c_cmd, (cs4265_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
|
||
i2c_master_write_byte(i2c_cmd, cs4265_init_sequence[i].reg, I2C_MASTER_NACK);
|
||
i2c_master_write_byte(i2c_cmd, cs4265_init_sequence[i].value, I2C_MASTER_NACK);
|
||
ESP_LOGD(TAG, "i2c write %x at %u", cs4265_init_sequence[i].reg, cs4265_init_sequence[i].value);
|
||
}
|
||
|
||
i2c_master_stop(i2c_cmd);
|
||
esp_err_t res = i2c_master_cmd_begin(i2c_port, i2c_cmd, 500 / portTICK_RATE_MS);
|
||
i2c_cmd_link_delete(i2c_cmd);
|
||
|
||
if (res != ESP_OK) {
|
||
ESP_LOGE(TAG, "could not intialize cs4265 %d", res);
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
|
||
}
|
||
|
||
static esp_err_t cs4265_update_bit(uint8_t reg_no,uint8_t mask,uint8_t val ){
|
||
esp_err_t ret=ESP_OK;
|
||
uint8_t old= adac_read_byte(cs4265_addr, reg_no);
|
||
uint8_t newval = (old & ~mask) | (val & mask);
|
||
bool change = old != newval;
|
||
if (change){
|
||
ret = adac_write_byte(cs4265_addr, reg_no, newval);
|
||
if(ret != ESP_OK){
|
||
ESP_LOGE(TAG,"Unable to change dac register 0x%02x [0x%02x->0x%02x] from value 0x%02x, mask 0x%02x ",reg_no,old,newval,val,mask);
|
||
}
|
||
else {
|
||
ESP_LOGD(TAG,"Changed dac register 0x%02x [0x%02x->0x%02x] from value 0x%02x, mask 0x%02x ",reg_no,old,newval,val,mask);
|
||
}
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
/****************************************************************************************
|
||
* change volume
|
||
*/
|
||
static bool volume(unsigned left, unsigned right) {
|
||
return false;
|
||
}
|
||
|
||
/****************************************************************************************
|
||
* power
|
||
*/
|
||
static void power(adac_power_e mode) {
|
||
switch(mode) {
|
||
case ADAC_STANDBY:
|
||
dac_cmd(cs4265_STANDBY);
|
||
break;
|
||
case ADAC_ON:
|
||
dac_cmd(cs4265_ACTIVE);
|
||
break;
|
||
case ADAC_OFF:
|
||
dac_cmd(cs4265_DOWN);
|
||
break;
|
||
default:
|
||
ESP_LOGW(TAG, "unknown DAC command");
|
||
break;
|
||
}
|
||
}
|
||
|
||
/****************************************************************************************
|
||
* speaker
|
||
*/
|
||
static void speaker(bool active) {
|
||
if (active) dac_cmd(cs4265_ANALOGUE_ON);
|
||
else dac_cmd(cs4265_ANALOGUE_OFF);
|
||
}
|
||
|
||
/****************************************************************************************
|
||
* headset
|
||
*/
|
||
static void headset(bool active) { }
|
||
|
||
/****************************************************************************************
|
||
* DAC specific commands
|
||
*/
|
||
void dac_cmd(dac_cmd_e cmd, ...) {
|
||
va_list args;
|
||
esp_err_t ret = ESP_OK;
|
||
|
||
va_start(args, cmd);
|
||
|
||
switch(cmd) {
|
||
case cs4265_VOLUME:
|
||
ESP_LOGE(TAG, "DAC volume not handled yet");
|
||
break;
|
||
case cs4265_ACTIVE:
|
||
ESP_LOGD(TAG, "Activating DAC");
|
||
adac_write_byte(cs4265_addr, CS4265_PWRCTL,0);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXOFF,0);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXMUTE,0);
|
||
cs4265_update_bit(CS4265_DAC_CTL,CS4265_DAC_CTL_MUTE,0);
|
||
break;
|
||
case cs4265_STANDBY:
|
||
ESP_LOGD(TAG, "DAC Stand-by");
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXOFF,CS4265_SPDIF_CTL2_TXOFF);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXMUTE,CS4265_SPDIF_CTL2_TXMUTE);
|
||
cs4265_update_bit(CS4265_DAC_CTL,CS4265_DAC_CTL_MUTE,CS4265_DAC_CTL_MUTE);
|
||
break;
|
||
case cs4265_DOWN:
|
||
ESP_LOGD(TAG, "DAC Power Down");
|
||
adac_write_byte(cs4265_addr, CS4265_PWRCTL,CS4265_PWRCTL_PDN_ALL);
|
||
break;
|
||
case cs4265_ANALOGUE_OFF:
|
||
ESP_LOGD(TAG, "DAC Analog off");
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXOFF,CS4265_SPDIF_CTL2_TXOFF);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXMUTE,CS4265_SPDIF_CTL2_TXMUTE);
|
||
cs4265_update_bit(CS4265_DAC_CTL,CS4265_DAC_CTL_MUTE,CS4265_DAC_CTL_MUTE);
|
||
break;
|
||
case cs4265_ANALOGUE_ON:
|
||
ESP_LOGD(TAG, "DAC Analog on");
|
||
adac_write_byte(cs4265_addr, CS4265_PWRCTL,0);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXOFF,0);
|
||
cs4265_update_bit(CS4265_SPDIF_CTL2,CS4265_SPDIF_CTL2_TXMUTE,0);
|
||
cs4265_update_bit(CS4265_DAC_CTL,CS4265_DAC_CTL_MUTE,0);
|
||
break;
|
||
}
|
||
|
||
if (ret != ESP_OK) {
|
||
ESP_LOGE(TAG, "could not use cs4265 %d", ret);
|
||
}
|
||
get_status();
|
||
// now set the clock
|
||
ret=set_clock(cs4265.i2s_config,cs4265.i2c_port);
|
||
if (ret != ESP_OK) {
|
||
ESP_LOGE(TAG, "could not set the cs4265's clock %d", ret);
|
||
}
|
||
|
||
va_end(args);
|
||
}
|
||
|
||
/****************************************************************************************
|
||
* TAS57 detection
|
||
*/
|
||
static int cs4265_detect(void) {
|
||
uint8_t addr[] = {CS4265_PULL_DOWN,CS4265_PULL_UP};
|
||
|
||
for (int i = 0; i < sizeof(addr); i++) {
|
||
ESP_LOGI(TAG,"Looking for CS4265 @0x%x",addr[i]);
|
||
uint8_t reg=adac_read_byte(addr[i], CS4265_CHIP_ID);
|
||
if(reg==255){
|
||
continue;
|
||
}
|
||
// found a device at that address
|
||
uint8_t devid = reg & CS4265_CHIP_ID_MASK;
|
||
if (devid != CS4265_CHIP_ID_VAL) {
|
||
ESP_LOGE(TAG,"CS4265 Device ID (%X). Expected %X",devid, CS4265_CHIP_ID);
|
||
return 0;
|
||
}
|
||
ESP_LOGI(TAG,"Found DAC @0x%x, Version %x",addr[i], reg & CS4265_REV_ID_MASK);
|
||
return addr[i];
|
||
}
|
||
return 0;
|
||
}
|
||
|