*
*/
+#include "wm8731.h"
+
#include "hw/hw_wm8731.h"
#include "cfg/cfg_wm8731.h"
#define LOG_LEVEL WM8731_LOG_LEVEL
#define LOG_FORMAT WM8731_LOG_FORMAT
#include <cfg/log.h>
+#include <cfg/macros.h>
#include <cpu/irq.h>
#include <drv/i2c.h>
-/* Reset register*/
-#define WM8731_REG_RESET 0x0F
-
-/* Left Line in register */
-#define WM8731_REG_LEFT_LINEIN 0x0
-#define WM8731_LINVOL_BITS_MASK 0xF // Left line input volume control
-#define WM8731_LINMUTE_BIT 7 // Left line input mute to ADC
-#define WM8731_LRINBOTH_BIT 8 // Left to right channel line input volume and mute data load control
-
-/* Right Line in register */
-#define WM8731_REG_RIGHT_LINEIN 0x1
-#define WM8731_RINVOL_BITS_MASK 0xF // Right line input volume control
-#define WM8731_RINMUTE_BIT 7 // Right line input mute to ADC
-#define WM8731_RLINBOTH_BIT 8 // Right to right channel line input volume and mute data load control
-
-/* Left Headphone out register*/
-#define WM8731_REG_LEFT_HPOUT 0x2
-#define WM8731_LHPVOL_BITS_MASK 0x7 // Left chnnel headphone output volume control
-#define WM8731_LZCEN_BIT 7 // Left channel zero cross detect enable
-#define WM8731_LRHPBOTH_BIT 8 // Left to right channel headphone volume, mute and zero cross data load control
-
-/* Right Headphone out register*/
-#define WM8731_REG_RIGHT_HPOUT 0x3
-#define WM8731_RHPVOL_BITS_MASK 0x7 // Right chnnel headphone output volume control
-#define WM8731_RZCEN_BIT 7 // Right channel zero cross detect enable
-#define WM8731_RLHPBOTH_BIT 8 // Right to right channel headphone volume, mute and zero cross data load control
-
-/* Analogue audio path control register*/
-#define WM8731_REG_ANALOGUE_PATH_CTRL 0x4
-#define WM8731_MICBOOST 0 // Microphone Input Level Boost
-#define WM8731_MUTEMIC 1 // Line input Mute to ADC
-#define WM8731_INSEL 2 // Microphone/Line Select to ADC
-#define WM8731_BYPASS 3 // Bypass switch
-#define WM8731_DACSEL 4 // DAC select
-#define WM8731_SIDETONE 5 // Side tone switch
-#define WM8731_SIDEATT_MASK 0xC0 // Side tone attenuation
-#define WM8731_SIDEATT_15dB 0xC0 // -15dB
-#define WM8731_SIDEATT_12dB 0x80 // -12dB
-#define WM8731_SIDEATT_9dB 0x40 // -9dB
-#define WM8731_SIDEATT_6dB 0x00 // -6dB
-
-
-/* Digital audio path control register*/
-#define WM8731_REG_DIGITAL_PATH_CTRL 0x5
-#define WM8731_ADCHPD 0 // ADC high pass filter enable
-#define WM8731_DEEMP_MASK 0x6 // De-emphasis controll
-#define WM8731_DEEMP_48kHz 0x6 // 48kHz
-#define WM8731_DEEMP_44k1Hz 0x4 // 44.1kHz
-#define WM8731_DEEMP_32kHz 0x2 // 32kHz
-#define WM8731_DEEMP_DISABLE 0x0 // Disable
-#define WM8731_DACMU 3 // DAC Soft Mute control
-
-/* Power down control register*/
-#define WM8731_REG_PWDOWN_CTRL 0x6
-#define WM8731_LINEINPD_BIT 0 // LineIn power down
-#define WM8731_MICPD_BIT 1 // Mic power down
-#define WM8731_ADCPD_BIT 2 // ADC power down
-#define WM8731_DACPD_BIT 3 // DAC power down
-#define WM8731_OUTPD_BIT 4 // OUT power down
-#define WM8731_OSCBIT 5 // OSC power down
-#define WM8731_CLKOUTPD_BIT 6 // CLKOUT powerdown
-#define WM8731_POWEROFF_BIT 7 // Power off device
-
-/* Interface format register*/
-#define WM8731_REG_DA_INTERFACE_FORMAT 0x7
-#define WM8731_FORMAT_BITS_MASK 0x3 // Format
-#define WM8731_FORMAT_MSB_LEFT_JUSTIFIED 0x0 // MSB-First, left justified
-#define WM8731_FORMAT_MSB_RIGHT_JUSTIFIED 0x1 // MSB-First, right justified
-#define WM8731_FORMAT_I2S 0x2 //I2S Format, MSB-First left-1 justified
-#define WM8731_FORMAT_DSP 0x3 //DSP Mode, frame sync + 2 data packed words
-#define WM8731_IWL_BITS 0xC // Input audio data bit length select
-#define WM8731_IWL_16_BIT 0x0 // 16 bit
-#define WM8731_IWL_20_BIT 0x4 // 20 bit
-#define WM8731_IWL_24_BIT 0x8 // 24 bit
-#define WM8731_IWL_32_BIT 0xC // 32 bit
-#define WM8731_IRP_BITS 4 // DACLRC phase control
-#define WM8731_IRSWAP_BIT 5 // DAC Left right clock swap
-#define WM8731_MS_BIT 6 // Master slave mode control
-#define WM8731_BCLKINV_BIT 7 // Bit clock invert
-
-/* Sampling control*/
-#define WM8731_REG_SAMPLECTRL 0x8
-#define WM8731_USBNORMAL_BIT 0 // Mode select, usb mode, normal mode
-#define WM8731_BOSR_BIT 1 // Base over-sampling rate
-#define WM8731_SR_BITS_MASK 0x3C // Sample rate control
-#define WM8731_CLKIDIV2_BIT 6 // Core clock divider select
-#define WM8731_CLKODIV2_BIT 7 // CLKOUT divider select
-
-/* Active control register*/
-#define WM8731_REG_ACTIVE_CTRL 0x9
-#define WM8731_ACTIVE_BIT 0 // Activate interface
-
-/*
- * Codec has 7-bit address, the eighth is the R/W bit, so we
- * write the codec address with one bit shifted left
- */
-#define CODEC_ADDR 0x36
-
-
-
static void wm8731_write(Wm8731 *ctx, uint8_t reg, uint16_t value)
{
uint16_t tmp = ((reg & 0x7F) << 9) | (value & 0x1FF);
- i2c_start_w(ctx->i2c, CODEC_ADDR, 2, I2C_STOP);
+ i2c_start_w(ctx->i2c, ctx->addr, 2, I2C_STOP);
i2c_putc(ctx->i2c, (uint8_t)((tmp & 0xFF00) >> 8));
i2c_putc(ctx->i2c, (uint8_t)(tmp & 0xFF));
}
-void wm8731_init(Wm8731 *ctx, I2c *i2c);
+void wm8731_setVolume(Wm8731 *ctx, uint16_t device, uint8_t volume)
+{
+ uint16_t value;
+
+ if (device & WM8731_LINE_IN_RX)
+ {
+ if (!volume)
+ wm8731_write(ctx, WM8731_REG_RIGHT_LINEIN, BV(WM8731_LINMUTE_BIT));
+
+ value = DIV_ROUND(volume * WM8731_LINVOL_BITS_MASK, 100) & WM8731_LINVOL_BITS_MASK;
+
+ wm8731_write(ctx, WM8731_REG_RIGHT_LINEIN, ~BV(WM8731_LINMUTE_BIT));
+ wm8731_write(ctx, WM8731_REG_RIGHT_LINEIN, value);
+ LOG_INFO("Set LINE IN Rx vol[%d]%% raw[%d]\n", volume, value);
+ }
+
+ if (device & WM8731_LINE_IN_LX)
+ {
+ if (!volume)
+ wm8731_write(ctx, WM8731_REG_LEFT_LINEIN, BV(WM8731_LINMUTE_BIT));
+
+ value = DIV_ROUND(volume * WM8731_RINVOL_BITS_MASK, 100) & WM8731_RINVOL_BITS_MASK;
+
+ wm8731_write(ctx, WM8731_REG_LEFT_LINEIN, ~BV(WM8731_LINMUTE_BIT));
+ wm8731_write(ctx, WM8731_REG_LEFT_LINEIN, value);
+ LOG_INFO("Set LINE IN Lx vol[%d]%% raw[%d]\n", volume, value);
+ }
+
+
+ if (device & WM8731_HEADPHONE_RX)
+ {
+ value = DIV_ROUND(volume * WM8731_RHPVOL_BITS_MASK, 100) & WM8731_LHPVOL_BITS_MASK;
+ wm8731_write(ctx, WM8731_REG_RIGHT_HPOUT, value | BV(WM8731_RZCEN_BIT));
+ LOG_INFO("Set HEADPHONE Rx vol[%d]%% raw[%d]\n", volume, value);
+ }
+
+
+ if (device & WM8731_HEADPHONE_LX)
+ {
+ value = DIV_ROUND(volume * WM8731_LHPVOL_BITS_MASK, 100) & WM8731_LHPVOL_BITS_MASK;
+ wm8731_write(ctx, WM8731_REG_LEFT_HPOUT, value | BV(WM8731_LZCEN_BIT));
+ LOG_INFO("Set HEADPHONE Lx vol[%d]%% raw[%d]\n", volume, value);
+ }
+
+}
+
+void wm8731_powerOn(Wm8731 *ctx)
+{
+ LOG_INFO("Power on codec\n");
+ wm8731_write(ctx, WM8731_REG_PWDOWN_CTRL, ~BV(WM8731_POWEROFF_BIT) & 0x7F);
+}
+
+void wm8731_powerOff(Wm8731 *ctx)
+{
+ LOG_INFO("Power off codec\n");
+ wm8731_write(ctx, WM8731_REG_PWDOWN_CTRL, BV(WM8731_POWEROFF_BIT) & 0x7F);
+}
+
+void wm8731_powerOnDevices(Wm8731 *ctx, uint16_t device)
+{
+ wm8731_write(ctx, WM8731_REG_PWDOWN_CTRL, ~device & 0x7F);
+ LOG_INFO("Turn on the devices[%x]\n", ~device & 0x7F);
+}
+
+void wm8731_powerOffDevices(Wm8731 *ctx, uint16_t device)
+{
+ wm8731_write(ctx, WM8731_REG_PWDOWN_CTRL, device & 0x7F);
+ LOG_INFO("Turn off the devices[%x]\n", device);
+}
+
+void wm8731_init(Wm8731 *ctx, I2c *i2c, uint8_t codec_addr)
{
ctx->i2c = i2c;
+ ctx->addr = codec_addr;
WM8731_PIN_INIT();
WM8731_MCLK_INIT();
+
+ LOG_INFO("Init WM8731 codec.\n");
+
+ /* Reset codec and active it */
+ wm8731_write(ctx, WM8731_REG_RESET, 0);
+
+
+ /* Configure the codec */
+ wm8731_write(ctx, WM8731_REG_DIGITAL_PATH_CTRL, CONFIG_WM8731_DEEMP | CONFIG_WM8731_DAPC |
+ (CONFIG_WM8731_DACMU << WM8731_DACMU));
+ wm8731_write(ctx, WM8731_REG_ANALOGUE_PATH_CTRL, (CONFIG_WM8731_MICBOOST ? WM8731_MICBOOST : ~WM8731_MICBOOST) |
+ CONFIG_WM8731_INSEL | CONFIG_WM8731_BYPASS | CONFIG_WM8731_SIDEATT);
+
+ wm8731_write(ctx, WM8731_REG_DA_INTERFACE_FORMAT, 0x2);
+ wm8731_write(ctx, WM8731_REG_SAMPLECTRL, 0x6);
+
+ wm8731_write(ctx, WM8731_REG_ACTIVE_CTRL, 1);
+
+ /* By default we turn on all devices and disable only the outclock */
+ wm8731_write(ctx, WM8731_REG_PWDOWN_CTRL, 0x47);
}
*
* $WIZ$ module_name = "wm8731"
* $WIZ$ module_configuration = "bertos/cfg/cfg_wm8731.h"
- * $WIZ$ module_depends = "i2c"
* $WIZ$ module_hw = "bertos/hw/hw_wm8731.h"
+ * $WIZ$ module_depends = "i2c"
+ *
*/
#ifndef DRV_WM8731_H
#define DRV_WM8731_H
+#include <cpu/types.h>
+
#include <drv/i2c.h>
+/* Reset register*/
+#define WM8731_REG_RESET 0x0F
+
+/* Left Line in register */
+#define WM8731_REG_LEFT_LINEIN 0x0
+#define WM8731_LINVOL_BITS_MASK 0xF // Left line input volume control
+#define WM8731_LINMUTE_BIT 7 // Left line input mute to ADC
+#define WM8731_LRINBOTH_BIT 8 // Left to right channel line input volume and mute data load control
+
+/* Right Line in register */
+#define WM8731_REG_RIGHT_LINEIN 0x1
+#define WM8731_RINVOL_BITS_MASK 0xF // Right line input volume control
+#define WM8731_RINMUTE_BIT 7 // Right line input mute to ADC
+#define WM8731_RLINBOTH_BIT 8 // Right to right channel line input volume and mute data load control
+
+/* Left Headphone out register*/
+#define WM8731_REG_LEFT_HPOUT 0x2
+#define WM8731_LHPVOL_BITS_MASK 0x7 // Left channel headphone output volume control
+#define WM8731_LZCEN_BIT 7 // Left channel zero cross detect enable
+#define WM8731_LRHPBOTH_BIT 8 // Left to right channel headphone volume, mute and zero cross data load control
+
+/* Right Headphone out register*/
+#define WM8731_REG_RIGHT_HPOUT 0x3
+#define WM8731_RHPVOL_BITS_MASK 0x7 // Right channel headphone output volume control
+#define WM8731_RZCEN_BIT 7 // Right channel zero cross detect enable
+#define WM8731_RLHPBOTH_BIT 8 // Right to right channel headphone volume, mute and zero cross data load control
+
+/* Analogue audio path control register*/
+#define WM8731_REG_ANALOGUE_PATH_CTRL 0x4
+#define WM8731_MICBOOST BV(0) // Microphone Input Level Boost
+#define WM8731_MUTEMIC 1 // Line input Mute to ADC
+/**
+ * Input selector
+ * $WIZ$ wm8731_insel = "WM8731_INSEL_MIC", "WM8731_INSEL_LINEIN"
+ */
+#define WM8731_INSEL 2 // Microphone/Line Select to ADC
+#define WM8731_INSEL_MIC BV(WM8731_INSEL) // Microphone Select to ADC
+#define WM8731_INSEL_LINEIN ~BV(WM8731_INSEL) // Line in Select to ADC
+/**
+ * Input to output
+ * $WIZ$ wm8731_bypass = "WM8731_BYPASS", "WM8731_DACSEL", "WM8731_SIDETONE"
+ */
+#define WM8731_BYPASS BV(3) // Bypass switch
+#define WM8731_DACSEL BV(4) // DAC select
+#define WM8731_SIDETONE BV(5) // Side tone switch
+/**
+ * Side tone attenuation
+ * $WIZ$ wm8731_sideatt = "WM8731_SIDEATT_15dB", "WM8731_SIDEATT_12dB", "WM8731_SIDEATT_9dB", "WM8731_SIDEATT_6dB"
+ */
+#define WM8731_SIDEATT_MASK 0xC0 // Side tone attenuation
+#define WM8731_SIDEATT_15dB 0xC0 // -15dB
+#define WM8731_SIDEATT_12dB 0x80 // -12dB
+#define WM8731_SIDEATT_9dB 0x40 // -9dB
+#define WM8731_SIDEATT_6dB 0x00 // -6dB
+
+
+/* Digital audio path control register*/
+#define WM8731_REG_DIGITAL_PATH_CTRL 0x5
+#define WM8731_ADCHPD 0 // ADC high pass filter enable
+/**
+ * De-emphasis control
+ * $WIZ$ wm8731_deemp = "WM8731_DEEMP_48kHz", "WM8731_DEEMP_44k1Hz", "WM8731_DEEMP_32kHz", "WM8731_DEEMP_DISABLE"
+ */
+#define WM8731_DEEMP_MASK 0x6 // De-emphasis control
+#define WM8731_DEEMP_48kHz 0x6 // 48kHz
+#define WM8731_DEEMP_44k1Hz 0x4 // 44.1kHz
+#define WM8731_DEEMP_32kHz 0x2 // 32kHz
+#define WM8731_DEEMP_DISABLE 0x0 // Disable
+#define WM8731_DACMU 3 // DAC Soft Mute control
+
+/* Power down control register*/
+#define WM8731_REG_PWDOWN_CTRL 0x6
+#define WM8731_LINEINPD BV(0) ///< LineIn power down
+#define WM8731_MICPD BV(1) ///< Mic power down
+#define WM8731_ADCPD BV(2) ///< ADC power down
+#define WM8731_DACPD BV(3) ///< DAC power down
+#define WM8731_OUTPD BV(4) ///< OUT power down
+#define WM8731_OSCBIT BV(5) ///< OSC power down
+#define WM8731_CLKOUTPD BV(6) ///< CLKOUT powerdown
+#define WM8731_POWEROFF_BIT 7 // Power off device
+
+/* Interface format register*/
+#define WM8731_REG_DA_INTERFACE_FORMAT 0x7
+#define WM8731_FORMAT_BITS_MASK 0x3 // Format
+#define WM8731_FORMAT_MSB_LEFT_JUSTIFIED 0x0 // MSB-First, left justified
+#define WM8731_FORMAT_MSB_RIGHT_JUSTIFIED 0x1 // MSB-First, right justified
+#define WM8731_FORMAT_I2S 0x2 //I2S Format, MSB-First left-1 justified
+#define WM8731_FORMAT_DSP 0x3 //DSP Mode, frame sync + 2 data packed words
+#define WM8731_IWL_BITS 0xC // Input audio data bit length select
+#define WM8731_IWL_16_BIT 0x0 // 16 bit
+#define WM8731_IWL_20_BIT 0x4 // 20 bit
+#define WM8731_IWL_24_BIT 0x8 // 24 bit
+#define WM8731_IWL_32_BIT 0xC // 32 bit
+#define WM8731_IRP_BITS 4 // DACLRC phase control
+#define WM8731_IRSWAP_BIT 5 // DAC Left right clock swap
+#define WM8731_MS_BIT 6 // Master slave mode control
+#define WM8731_BCLKINV_BIT 7 // Bit clock invert
+
+/* Sampling control*/
+#define WM8731_REG_SAMPLECTRL 0x8
+#define WM8731_USBNORMAL_BIT 0 // Mode select, usb mode, normal mode
+#define WM8731_BOSR_BIT 1 // Base over-sampling rate
+#define WM8731_SR_BITS_MASK 0x3C // Sample rate control
+#define WM8731_CLKIDIV2_BIT 6 // Core clock divider select
+#define WM8731_CLKODIV2_BIT 7 // CLKOUT divider select
+
+/* Active control register*/
+#define WM8731_REG_ACTIVE_CTRL 0x9
+#define WM8731_ACTIVE_BIT 0 // Activate interface
+
+
typedef struct Wm8731
{
I2c *i2c;
+ uint8_t addr;
} Wm8731;
-void wm8731_init(Wm8731 *ctx, I2c *i2c);
+
+
+#define WM8731_LINE_IN_RX BV(0)
+#define WM8731_LINE_IN_LX BV(1)
+#define WM8731_HEADPHONE_RX BV(2)
+#define WM8731_HEADPHONE_LX BV(3)
+
+/**
+ * Set the volume of select device (line in Rx/Lx, Headphone Rx/Lx).
+ * The volume is express in %, and the volume range is 0-100%.
+ */
+void wm8731_setVolume(Wm8731 *ctx, uint16_t device, uint8_t volume);
+void wm8731_powerOn(Wm8731 *ctx);
+void wm8731_powerOff(Wm8731 *ctx);
+void wm8731_powerOnDevices(Wm8731 *ctx, uint16_t device);
+void wm8731_powerOffDevices(Wm8731 *ctx, uint16_t device);
+
+void wm8731_init(Wm8731 *ctx, I2c *i2c, uint8_t codec_addr);
#endif /* DRV_WM8731_H */
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