1741 lines
53 KiB
C
1741 lines
53 KiB
C
/*
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* Copyright 2014 Emilio López <emilio@elopez.com.ar>
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* Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
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* Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
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* Copyright 2015 Adam Sampson <ats@offog.org>
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* Copyright 2016 Chen-Yu Tsai <wens@csie.org>
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*
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* Based on the Allwinner SDK driver, released under the GPL.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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#include <linux/clk.h>
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#include <linux/regmap.h>
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#include <linux/reset.h>
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#include <linux/gpio/consumer.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include <sound/initval.h>
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#include <sound/dmaengine_pcm.h>
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/* Codec DAC digital controls and FIFO registers */
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#define SUN4I_CODEC_DAC_DPC (0x00)
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#define SUN4I_CODEC_DAC_DPC_EN_DA (31)
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#define SUN4I_CODEC_DAC_DPC_DVOL (12)
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#define SUN4I_CODEC_DAC_FIFOC (0x04)
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#define SUN4I_CODEC_DAC_FIFOC_DAC_FS (29)
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#define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION (28)
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#define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT (26)
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#define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE (24)
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#define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT (21)
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#define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL (8)
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#define SUN4I_CODEC_DAC_FIFOC_MONO_EN (6)
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#define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS (5)
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#define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN (4)
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#define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0)
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#define SUN4I_CODEC_DAC_FIFOS (0x08)
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#define SUN4I_CODEC_DAC_TXDATA (0x0c)
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/* Codec DAC side analog signal controls */
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#define SUN4I_CODEC_DAC_ACTL (0x10)
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#define SUN4I_CODEC_DAC_ACTL_DACAENR (31)
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#define SUN4I_CODEC_DAC_ACTL_DACAENL (30)
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#define SUN4I_CODEC_DAC_ACTL_MIXEN (29)
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#define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15)
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#define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14)
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#define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13)
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#define SUN4I_CODEC_DAC_ACTL_DACPAS (8)
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#define SUN4I_CODEC_DAC_ACTL_MIXPAS (7)
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#define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6)
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#define SUN4I_CODEC_DAC_ACTL_PA_VOL (0)
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#define SUN4I_CODEC_DAC_TUNE (0x14)
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#define SUN4I_CODEC_DAC_DEBUG (0x18)
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/* Codec ADC digital controls and FIFO registers */
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#define SUN4I_CODEC_ADC_FIFOC (0x1c)
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#define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29)
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#define SUN4I_CODEC_ADC_FIFOC_EN_AD (28)
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#define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24)
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#define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8)
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#define SUN4I_CODEC_ADC_FIFOC_MONO_EN (7)
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#define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS (6)
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#define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN (4)
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#define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0)
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#define SUN4I_CODEC_ADC_FIFOS (0x20)
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#define SUN4I_CODEC_ADC_RXDATA (0x24)
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/* Codec ADC side analog signal controls */
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#define SUN4I_CODEC_ADC_ACTL (0x28)
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#define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31)
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#define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30)
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#define SUN4I_CODEC_ADC_ACTL_PREG1EN (29)
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#define SUN4I_CODEC_ADC_ACTL_PREG2EN (28)
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#define SUN4I_CODEC_ADC_ACTL_VMICEN (27)
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#define SUN4I_CODEC_ADC_ACTL_VADCG (20)
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#define SUN4I_CODEC_ADC_ACTL_ADCIS (17)
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#define SUN4I_CODEC_ADC_ACTL_PA_EN (4)
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#define SUN4I_CODEC_ADC_ACTL_DDE (3)
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#define SUN4I_CODEC_ADC_DEBUG (0x2c)
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/* FIFO counters */
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#define SUN4I_CODEC_DAC_TXCNT (0x30)
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#define SUN4I_CODEC_ADC_RXCNT (0x34)
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/* Calibration register (sun7i only) */
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#define SUN7I_CODEC_AC_DAC_CAL (0x38)
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/* Microphone controls (sun7i only) */
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#define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c)
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/*
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* sun6i specific registers
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*
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* sun6i shares the same digital control and FIFO registers as sun4i,
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* but only the DAC digital controls are at the same offset. The others
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* have been moved around to accommodate extra analog controls.
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*/
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/* Codec DAC digital controls and FIFO registers */
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#define SUN6I_CODEC_ADC_FIFOC (0x10)
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#define SUN6I_CODEC_ADC_FIFOC_EN_AD (28)
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#define SUN6I_CODEC_ADC_FIFOS (0x14)
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#define SUN6I_CODEC_ADC_RXDATA (0x18)
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/* Output mixer and gain controls */
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#define SUN6I_CODEC_OM_DACA_CTRL (0x20)
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#define SUN6I_CODEC_OM_DACA_CTRL_DACAREN (31)
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#define SUN6I_CODEC_OM_DACA_CTRL_DACALEN (30)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN (29)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN (28)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1 (23)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2 (22)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE (21)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP (20)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR (19)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR (18)
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#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL (17)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1 (16)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2 (15)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE (14)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN (13)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL (12)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL (11)
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#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR (10)
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#define SUN6I_CODEC_OM_DACA_CTRL_RHPIS (9)
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#define SUN6I_CODEC_OM_DACA_CTRL_LHPIS (8)
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#define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE (7)
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#define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE (6)
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#define SUN6I_CODEC_OM_DACA_CTRL_HPVOL (0)
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#define SUN6I_CODEC_OM_PA_CTRL (0x24)
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#define SUN6I_CODEC_OM_PA_CTRL_HPPAEN (31)
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#define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL (29)
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#define SUN6I_CODEC_OM_PA_CTRL_COMPTEN (28)
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#define SUN6I_CODEC_OM_PA_CTRL_MIC1G (15)
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#define SUN6I_CODEC_OM_PA_CTRL_MIC2G (12)
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#define SUN6I_CODEC_OM_PA_CTRL_LINEING (9)
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#define SUN6I_CODEC_OM_PA_CTRL_PHONEG (6)
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#define SUN6I_CODEC_OM_PA_CTRL_PHONEPG (3)
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#define SUN6I_CODEC_OM_PA_CTRL_PHONENG (0)
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/* Microphone, line out and phone out controls */
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#define SUN6I_CODEC_MIC_CTRL (0x28)
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#define SUN6I_CODEC_MIC_CTRL_HBIASEN (31)
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#define SUN6I_CODEC_MIC_CTRL_MBIASEN (30)
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#define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN (28)
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#define SUN6I_CODEC_MIC_CTRL_MIC1BOOST (25)
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#define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN (24)
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#define SUN6I_CODEC_MIC_CTRL_MIC2BOOST (21)
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#define SUN6I_CODEC_MIC_CTRL_MIC2SLT (20)
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#define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN (19)
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#define SUN6I_CODEC_MIC_CTRL_LINEOUTREN (18)
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#define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC (17)
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#define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC (16)
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#define SUN6I_CODEC_MIC_CTRL_LINEOUTVC (11)
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#define SUN6I_CODEC_MIC_CTRL_PHONEPREG (8)
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/* ADC mixer controls */
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#define SUN6I_CODEC_ADC_ACTL (0x2c)
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#define SUN6I_CODEC_ADC_ACTL_ADCREN (31)
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#define SUN6I_CODEC_ADC_ACTL_ADCLEN (30)
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#define SUN6I_CODEC_ADC_ACTL_ADCRG (27)
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#define SUN6I_CODEC_ADC_ACTL_ADCLG (24)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1 (13)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2 (12)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE (11)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP (10)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR (9)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR (8)
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#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL (7)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1 (6)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2 (5)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE (4)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN (3)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL (2)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL (1)
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#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR (0)
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/* Analog performance tuning controls */
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#define SUN6I_CODEC_ADDA_TUNE (0x30)
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/* Calibration controls */
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#define SUN6I_CODEC_CALIBRATION (0x34)
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/* FIFO counters */
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#define SUN6I_CODEC_DAC_TXCNT (0x40)
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#define SUN6I_CODEC_ADC_RXCNT (0x44)
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/* headset jack detection and button support registers */
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#define SUN6I_CODEC_HMIC_CTL (0x50)
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#define SUN6I_CODEC_HMIC_DATA (0x54)
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/* TODO sun6i DAP (Digital Audio Processing) bits */
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/* FIFO counters moved on A23 */
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#define SUN8I_A23_CODEC_DAC_TXCNT (0x1c)
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#define SUN8I_A23_CODEC_ADC_RXCNT (0x20)
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/* TX FIFO moved on H3 */
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#define SUN8I_H3_CODEC_DAC_TXDATA (0x20)
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#define SUN8I_H3_CODEC_DAC_DBG (0x48)
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#define SUN8I_H3_CODEC_ADC_DBG (0x4c)
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/* TODO H3 DAP (Digital Audio Processing) bits */
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struct sun4i_codec {
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struct device *dev;
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struct regmap *regmap;
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struct clk *clk_apb;
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struct clk *clk_module;
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struct reset_control *rst;
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struct gpio_desc *gpio_pa;
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/* ADC_FIFOC register is at different offset on different SoCs */
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struct regmap_field *reg_adc_fifoc;
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struct snd_dmaengine_dai_dma_data capture_dma_data;
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struct snd_dmaengine_dai_dma_data playback_dma_data;
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};
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static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
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{
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/* Flush TX FIFO */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
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BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
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/* Enable DAC DRQ */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
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BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
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}
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static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
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{
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/* Disable DAC DRQ */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
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0);
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}
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static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
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{
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/* Enable ADC DRQ */
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regmap_field_update_bits(scodec->reg_adc_fifoc,
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BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
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BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
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}
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static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
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{
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/* Disable ADC DRQ */
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regmap_field_update_bits(scodec->reg_adc_fifoc,
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BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
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}
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static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_RESUME:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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sun4i_codec_start_playback(scodec);
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else
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sun4i_codec_start_capture(scodec);
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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sun4i_codec_stop_playback(scodec);
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else
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sun4i_codec_stop_capture(scodec);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
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/* Flush RX FIFO */
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regmap_field_update_bits(scodec->reg_adc_fifoc,
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BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
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BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
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/* Set RX FIFO trigger level */
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regmap_field_update_bits(scodec->reg_adc_fifoc,
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0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
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0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
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/*
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* FIXME: Undocumented in the datasheet, but
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* Allwinner's code mentions that it is related
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* related to microphone gain
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*/
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if (of_device_is_compatible(scodec->dev->of_node,
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"allwinner,sun4i-a10-codec") ||
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of_device_is_compatible(scodec->dev->of_node,
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"allwinner,sun7i-a20-codec")) {
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
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0x3 << 25,
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0x1 << 25);
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}
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if (of_device_is_compatible(scodec->dev->of_node,
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"allwinner,sun7i-a20-codec"))
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/* FIXME: Undocumented bits */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
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0x3 << 8,
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0x1 << 8);
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return 0;
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}
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static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
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u32 val;
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/* Flush the TX FIFO */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
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BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
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/* Set TX FIFO Empty Trigger Level */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
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0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
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if (substream->runtime->rate > 32000)
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/* Use 64 bits FIR filter */
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val = 0;
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else
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/* Use 32 bits FIR filter */
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val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
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val);
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/* Send zeros when we have an underrun */
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regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
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BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
|
|
0);
|
|
|
|
return 0;
|
|
};
|
|
|
|
static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
return sun4i_codec_prepare_playback(substream, dai);
|
|
|
|
return sun4i_codec_prepare_capture(substream, dai);
|
|
}
|
|
|
|
static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
|
|
{
|
|
unsigned int rate = params_rate(params);
|
|
|
|
switch (rate) {
|
|
case 176400:
|
|
case 88200:
|
|
case 44100:
|
|
case 33075:
|
|
case 22050:
|
|
case 14700:
|
|
case 11025:
|
|
case 7350:
|
|
return 22579200;
|
|
|
|
case 192000:
|
|
case 96000:
|
|
case 48000:
|
|
case 32000:
|
|
case 24000:
|
|
case 16000:
|
|
case 12000:
|
|
case 8000:
|
|
return 24576000;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
|
|
{
|
|
unsigned int rate = params_rate(params);
|
|
|
|
switch (rate) {
|
|
case 192000:
|
|
case 176400:
|
|
return 6;
|
|
|
|
case 96000:
|
|
case 88200:
|
|
return 7;
|
|
|
|
case 48000:
|
|
case 44100:
|
|
return 0;
|
|
|
|
case 32000:
|
|
case 33075:
|
|
return 1;
|
|
|
|
case 24000:
|
|
case 22050:
|
|
return 2;
|
|
|
|
case 16000:
|
|
case 14700:
|
|
return 3;
|
|
|
|
case 12000:
|
|
case 11025:
|
|
return 4;
|
|
|
|
case 8000:
|
|
case 7350:
|
|
return 5;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
|
|
struct snd_pcm_hw_params *params,
|
|
unsigned int hwrate)
|
|
{
|
|
/* Set ADC sample rate */
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
|
|
hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
|
|
|
|
/* Set the number of channels we want to use */
|
|
if (params_channels(params) == 1)
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
|
|
else
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
|
|
0);
|
|
|
|
/* Set the number of sample bits to either 16 or 24 bits */
|
|
if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
|
|
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
|
|
0);
|
|
|
|
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
|
|
} else {
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
|
|
0);
|
|
|
|
/* Fill most significant bits with valid data MSB */
|
|
regmap_field_update_bits(scodec->reg_adc_fifoc,
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
|
|
BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
|
|
|
|
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
|
|
struct snd_pcm_hw_params *params,
|
|
unsigned int hwrate)
|
|
{
|
|
u32 val;
|
|
|
|
/* Set DAC sample rate */
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
|
|
hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
|
|
|
|
/* Set the number of channels we want to use */
|
|
if (params_channels(params) == 1)
|
|
val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
|
|
else
|
|
val = 0;
|
|
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
|
|
val);
|
|
|
|
/* Set the number of sample bits to either 16 or 24 bits */
|
|
if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
|
|
|
|
/* Set TX FIFO mode to padding the LSBs with 0 */
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
|
|
0);
|
|
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
|
|
} else {
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
|
|
0);
|
|
|
|
/* Set TX FIFO mode to repeat the MSB */
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
|
|
BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
|
|
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
unsigned long clk_freq;
|
|
int ret, hwrate;
|
|
|
|
clk_freq = sun4i_codec_get_mod_freq(params);
|
|
if (!clk_freq)
|
|
return -EINVAL;
|
|
|
|
ret = clk_set_rate(scodec->clk_module, clk_freq);
|
|
if (ret)
|
|
return ret;
|
|
|
|
hwrate = sun4i_codec_get_hw_rate(params);
|
|
if (hwrate < 0)
|
|
return hwrate;
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
return sun4i_codec_hw_params_playback(scodec, params,
|
|
hwrate);
|
|
|
|
return sun4i_codec_hw_params_capture(scodec, params,
|
|
hwrate);
|
|
}
|
|
|
|
|
|
static unsigned int sun4i_codec_src_rates[] = {
|
|
8000, 11025, 12000, 16000, 22050, 24000, 32000,
|
|
44100, 48000, 96000, 192000
|
|
};
|
|
|
|
|
|
static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
|
|
.count = ARRAY_SIZE(sun4i_codec_src_rates),
|
|
.list = sun4i_codec_src_rates,
|
|
};
|
|
|
|
|
|
static int sun4i_codec_startup(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
snd_pcm_hw_constraint_list(substream->runtime, 0,
|
|
SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints);
|
|
|
|
/*
|
|
* Stop issuing DRQ when we have room for less than 16 samples
|
|
* in our TX FIFO
|
|
*/
|
|
regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
|
|
3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
|
|
3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
|
|
|
|
return clk_prepare_enable(scodec->clk_module);
|
|
}
|
|
|
|
static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
clk_disable_unprepare(scodec->clk_module);
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
|
|
.startup = sun4i_codec_startup,
|
|
.shutdown = sun4i_codec_shutdown,
|
|
.trigger = sun4i_codec_trigger,
|
|
.hw_params = sun4i_codec_hw_params,
|
|
.prepare = sun4i_codec_prepare,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver sun4i_codec_dai = {
|
|
.name = "Codec",
|
|
.ops = &sun4i_codec_dai_ops,
|
|
.playback = {
|
|
.stream_name = "Codec Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rate_min = 8000,
|
|
.rate_max = 192000,
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S32_LE,
|
|
.sig_bits = 24,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Codec Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rate_min = 8000,
|
|
.rate_max = 48000,
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S32_LE,
|
|
.sig_bits = 24,
|
|
},
|
|
};
|
|
|
|
/*** sun4i Codec ***/
|
|
static const struct snd_kcontrol_new sun4i_codec_pa_mute =
|
|
SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
|
|
|
|
static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_controls[] = {
|
|
SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
|
|
sun4i_codec_pa_volume_scale),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_right_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Right DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 1, 0),
|
|
SOC_DAPM_SINGLE("Left DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
|
|
SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
|
|
/* Digital parts of the ADCs */
|
|
SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
|
|
SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
|
|
NULL, 0),
|
|
|
|
/* Digital parts of the DACs */
|
|
SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
|
|
SUN4I_CODEC_DAC_DPC_EN_DA, 0,
|
|
NULL, 0),
|
|
|
|
/* Analog parts of the ADCs */
|
|
SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
|
SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
|
|
SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
|
|
SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
|
|
|
|
/* Analog parts of the DACs */
|
|
SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
|
|
SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
|
|
|
|
/* Mixers */
|
|
SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun4i_codec_left_mixer_controls,
|
|
ARRAY_SIZE(sun4i_codec_left_mixer_controls)),
|
|
SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun4i_codec_right_mixer_controls,
|
|
ARRAY_SIZE(sun4i_codec_right_mixer_controls)),
|
|
|
|
/* Global Mixer Enable */
|
|
SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
|
|
SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
|
|
|
|
/* VMIC */
|
|
SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
|
|
SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
|
|
|
|
/* Mic Pre-Amplifiers */
|
|
SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
|
|
SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
|
|
|
|
/* Power Amplifier */
|
|
SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
|
|
SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
|
|
sun4i_codec_pa_mixer_controls,
|
|
ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
|
|
SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
|
|
&sun4i_codec_pa_mute),
|
|
|
|
SND_SOC_DAPM_INPUT("Mic1"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("HP Right"),
|
|
SND_SOC_DAPM_OUTPUT("HP Left"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
|
|
/* Left ADC / DAC Routes */
|
|
{ "Left ADC", NULL, "ADC" },
|
|
{ "Left DAC", NULL, "DAC" },
|
|
|
|
/* Right ADC / DAC Routes */
|
|
{ "Right ADC", NULL, "ADC" },
|
|
{ "Right DAC", NULL, "DAC" },
|
|
|
|
/* Right Mixer Routes */
|
|
{ "Right Mixer", NULL, "Mixer Enable" },
|
|
{ "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
|
|
{ "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
|
|
|
|
/* Left Mixer Routes */
|
|
{ "Left Mixer", NULL, "Mixer Enable" },
|
|
{ "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
|
|
|
|
/* Power Amplifier Routes */
|
|
{ "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
|
|
{ "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
|
|
{ "Power Amplifier", "DAC Playback Switch", "Left DAC" },
|
|
{ "Power Amplifier", "DAC Playback Switch", "Right DAC" },
|
|
|
|
/* Headphone Output Routes */
|
|
{ "Power Amplifier Mute", "Switch", "Power Amplifier" },
|
|
{ "HP Right", NULL, "Power Amplifier Mute" },
|
|
{ "HP Left", NULL, "Power Amplifier Mute" },
|
|
|
|
/* Mic1 Routes */
|
|
{ "Left ADC", NULL, "MIC1 Pre-Amplifier" },
|
|
{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
|
|
{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
|
|
{ "Mic1", NULL, "VMIC" },
|
|
};
|
|
|
|
static const struct snd_soc_component_driver sun4i_codec_codec = {
|
|
.controls = sun4i_codec_controls,
|
|
.num_controls = ARRAY_SIZE(sun4i_codec_controls),
|
|
.dapm_widgets = sun4i_codec_codec_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
|
|
.dapm_routes = sun4i_codec_codec_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
/*** sun6i Codec ***/
|
|
|
|
/* mixer controls */
|
|
static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
|
|
SOC_DAPM_DOUBLE("DAC Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
|
|
SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
|
|
SOC_DAPM_DOUBLE("Line In Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
|
|
SOC_DAPM_DOUBLE("Mic1 Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
|
|
SOC_DAPM_DOUBLE("Mic2 Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
|
|
};
|
|
|
|
/* ADC mixer controls */
|
|
static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
|
|
SOC_DAPM_DOUBLE("Mixer Capture Switch",
|
|
SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
|
|
SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
|
|
SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
|
|
SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
|
|
SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
|
|
SOC_DAPM_DOUBLE("Line In Capture Switch",
|
|
SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
|
|
SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
|
|
SOC_DAPM_DOUBLE("Mic1 Capture Switch",
|
|
SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
|
|
SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
|
|
SOC_DAPM_DOUBLE("Mic2 Capture Switch",
|
|
SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
|
|
SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
|
|
};
|
|
|
|
/* headphone controls */
|
|
static const char * const sun6i_codec_hp_src_enum_text[] = {
|
|
"DAC", "Mixer",
|
|
};
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
|
|
sun6i_codec_hp_src_enum_text);
|
|
|
|
static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
|
|
SOC_DAPM_ENUM("Headphone Source Playback Route",
|
|
sun6i_codec_hp_src_enum),
|
|
};
|
|
|
|
/* microphone controls */
|
|
static const char * const sun6i_codec_mic2_src_enum_text[] = {
|
|
"Mic2", "Mic3",
|
|
};
|
|
|
|
static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
|
|
SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MIC2SLT,
|
|
sun6i_codec_mic2_src_enum_text);
|
|
|
|
static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
|
|
SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
|
|
sun6i_codec_mic2_src_enum),
|
|
};
|
|
|
|
/* line out controls */
|
|
static const char * const sun6i_codec_lineout_src_enum_text[] = {
|
|
"Stereo", "Mono Differential",
|
|
};
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
|
|
SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
|
|
SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
|
|
sun6i_codec_lineout_src_enum_text);
|
|
|
|
static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
|
|
SOC_DAPM_ENUM("Line Out Source Playback Route",
|
|
sun6i_codec_lineout_src_enum),
|
|
};
|
|
|
|
/* volume / mute controls */
|
|
static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
|
|
static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
|
|
static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
|
|
-450, 150, 0);
|
|
static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
|
|
0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
|
|
2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
|
|
);
|
|
static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
|
|
0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
|
|
1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
|
|
);
|
|
|
|
static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
|
|
SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
|
|
SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
|
|
sun6i_codec_dvol_scale),
|
|
SOC_SINGLE_TLV("Headphone Playback Volume",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
|
|
sun6i_codec_hp_vol_scale),
|
|
SOC_SINGLE_TLV("Line Out Playback Volume",
|
|
SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
|
|
sun6i_codec_lineout_vol_scale),
|
|
SOC_DOUBLE("Headphone Playback Switch",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
|
|
SOC_DOUBLE("Line Out Playback Switch",
|
|
SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
|
|
SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
|
|
/* Mixer pre-gains */
|
|
SOC_SINGLE_TLV("Line In Playback Volume",
|
|
SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
|
|
0x7, 0, sun6i_codec_out_mixer_pregain_scale),
|
|
SOC_SINGLE_TLV("Mic1 Playback Volume",
|
|
SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
|
|
0x7, 0, sun6i_codec_out_mixer_pregain_scale),
|
|
SOC_SINGLE_TLV("Mic2 Playback Volume",
|
|
SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
|
|
0x7, 0, sun6i_codec_out_mixer_pregain_scale),
|
|
|
|
/* Microphone Amp boost gains */
|
|
SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
|
|
sun6i_codec_mic_gain_scale),
|
|
SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
|
|
sun6i_codec_mic_gain_scale),
|
|
SOC_DOUBLE_TLV("ADC Capture Volume",
|
|
SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
|
|
SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
|
|
sun6i_codec_out_mixer_pregain_scale),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
|
|
/* Microphone inputs */
|
|
SND_SOC_DAPM_INPUT("MIC1"),
|
|
SND_SOC_DAPM_INPUT("MIC2"),
|
|
SND_SOC_DAPM_INPUT("MIC3"),
|
|
|
|
/* Microphone Bias */
|
|
SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
|
|
|
|
/* Mic input path */
|
|
SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
|
|
SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
|
|
SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
|
|
SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
|
|
|
|
/* Line In */
|
|
SND_SOC_DAPM_INPUT("LINEIN"),
|
|
|
|
/* Digital parts of the ADCs */
|
|
SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
|
|
SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
|
|
NULL, 0),
|
|
|
|
/* Analog parts of the ADCs */
|
|
SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
|
|
SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
|
|
SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
|
|
|
|
/* ADC Mixers */
|
|
SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun6i_codec_adc_mixer_controls),
|
|
SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun6i_codec_adc_mixer_controls),
|
|
|
|
/* Digital parts of the DACs */
|
|
SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
|
|
SUN4I_CODEC_DAC_DPC_EN_DA, 0,
|
|
NULL, 0),
|
|
|
|
/* Analog parts of the DACs */
|
|
SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
|
|
SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
|
|
SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
|
|
|
|
/* Mixers */
|
|
SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
|
|
sun6i_codec_mixer_controls),
|
|
SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
|
|
SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
|
|
sun6i_codec_mixer_controls),
|
|
|
|
/* Headphone output path */
|
|
SND_SOC_DAPM_MUX("Headphone Source Playback Route",
|
|
SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
|
|
SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
|
|
SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
|
|
SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
|
|
SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
|
|
SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
|
|
SND_SOC_DAPM_OUTPUT("HP"),
|
|
|
|
/* Line Out path */
|
|
SND_SOC_DAPM_MUX("Line Out Source Playback Route",
|
|
SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
|
|
SND_SOC_DAPM_OUTPUT("LINEOUT"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
|
|
/* DAC Routes */
|
|
{ "Left DAC", NULL, "DAC Enable" },
|
|
{ "Right DAC", NULL, "DAC Enable" },
|
|
|
|
/* Microphone Routes */
|
|
{ "Mic1 Amplifier", NULL, "MIC1"},
|
|
{ "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
|
|
{ "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
|
|
{ "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
|
|
|
|
/* Left Mixer Routes */
|
|
{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
|
|
{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
|
|
{ "Left Mixer", "Line In Playback Switch", "LINEIN" },
|
|
{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
|
|
{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
|
|
|
|
/* Right Mixer Routes */
|
|
{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
|
|
{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
|
|
{ "Right Mixer", "Line In Playback Switch", "LINEIN" },
|
|
{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
|
|
{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
|
|
|
|
/* Left ADC Mixer Routes */
|
|
{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
|
|
{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
|
|
{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
|
|
{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
|
|
{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
|
|
|
|
/* Right ADC Mixer Routes */
|
|
{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
|
|
{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
|
|
{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
|
|
{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
|
|
{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
|
|
|
|
/* Headphone Routes */
|
|
{ "Headphone Source Playback Route", "DAC", "Left DAC" },
|
|
{ "Headphone Source Playback Route", "DAC", "Right DAC" },
|
|
{ "Headphone Source Playback Route", "Mixer", "Left Mixer" },
|
|
{ "Headphone Source Playback Route", "Mixer", "Right Mixer" },
|
|
{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
|
|
{ "HP", NULL, "Headphone Amp" },
|
|
{ "HPCOM", NULL, "HPCOM Protection" },
|
|
|
|
/* Line Out Routes */
|
|
{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
|
|
{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
|
|
{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
|
|
{ "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
|
|
{ "LINEOUT", NULL, "Line Out Source Playback Route" },
|
|
|
|
/* ADC Routes */
|
|
{ "Left ADC", NULL, "ADC Enable" },
|
|
{ "Right ADC", NULL, "ADC Enable" },
|
|
{ "Left ADC", NULL, "Left ADC Mixer" },
|
|
{ "Right ADC", NULL, "Right ADC Mixer" },
|
|
};
|
|
|
|
static const struct snd_soc_component_driver sun6i_codec_codec = {
|
|
.controls = sun6i_codec_codec_widgets,
|
|
.num_controls = ARRAY_SIZE(sun6i_codec_codec_widgets),
|
|
.dapm_widgets = sun6i_codec_codec_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
|
|
.dapm_routes = sun6i_codec_codec_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
/* sun8i A23 codec */
|
|
static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
|
|
SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
|
|
SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
|
|
sun6i_codec_dvol_scale),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
|
|
/* Digital parts of the ADCs */
|
|
SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
|
|
SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
|
|
/* Digital parts of the DACs */
|
|
SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
|
|
SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
|
|
|
|
};
|
|
|
|
static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
|
|
.controls = sun8i_a23_codec_codec_controls,
|
|
.num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
|
|
.dapm_widgets = sun8i_a23_codec_codec_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct snd_soc_component_driver sun4i_codec_component = {
|
|
.name = "sun4i-codec",
|
|
};
|
|
|
|
#define SUN4I_CODEC_RATES SNDRV_PCM_RATE_CONTINUOUS
|
|
#define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
|
|
|
|
snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
|
|
&scodec->capture_dma_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_driver dummy_cpu_dai = {
|
|
.name = "sun4i-codec-cpu-dai",
|
|
.probe = sun4i_codec_dai_probe,
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN4I_CODEC_RATES,
|
|
.formats = SUN4I_CODEC_FORMATS,
|
|
.sig_bits = 24,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN4I_CODEC_RATES,
|
|
.formats = SUN4I_CODEC_FORMATS,
|
|
.sig_bits = 24,
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
|
|
int *num_links)
|
|
{
|
|
struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
|
|
GFP_KERNEL);
|
|
if (!link)
|
|
return NULL;
|
|
|
|
link->name = "cdc";
|
|
link->stream_name = "CDC PCM";
|
|
link->codec_dai_name = "Codec";
|
|
link->cpu_dai_name = dev_name(dev);
|
|
link->codec_name = dev_name(dev);
|
|
link->platform_name = dev_name(dev);
|
|
link->dai_fmt = SND_SOC_DAIFMT_I2S;
|
|
|
|
*num_links = 1;
|
|
|
|
return link;
|
|
};
|
|
|
|
static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *k, int event)
|
|
{
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
|
|
|
|
gpiod_set_value_cansleep(scodec->gpio_pa,
|
|
!!SND_SOC_DAPM_EVENT_ON(event));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
|
|
SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
|
|
{ "Speaker", NULL, "HP Right" },
|
|
{ "Speaker", NULL, "HP Left" },
|
|
};
|
|
|
|
static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
if (!card->dai_link)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dev = dev;
|
|
card->name = "sun4i-codec";
|
|
card->dapm_widgets = sun4i_codec_card_dapm_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
|
|
card->dapm_routes = sun4i_codec_card_dapm_routes;
|
|
card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
|
|
|
|
return card;
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone", NULL),
|
|
SND_SOC_DAPM_LINE("Line In", NULL),
|
|
SND_SOC_DAPM_LINE("Line Out", NULL),
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
SND_SOC_DAPM_MIC("Mic", NULL),
|
|
SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
|
|
};
|
|
|
|
static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
int ret;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
if (!card->dai_link)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dev = dev;
|
|
card->name = "A31 Audio Codec";
|
|
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
|
|
card->fully_routed = true;
|
|
|
|
ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
|
|
if (ret)
|
|
dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
|
|
|
|
return card;
|
|
};
|
|
|
|
/* Connect digital side enables to analog side widgets */
|
|
static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
|
|
/* ADC Routes */
|
|
{ "Left ADC", NULL, "ADC Enable" },
|
|
{ "Right ADC", NULL, "ADC Enable" },
|
|
{ "Codec Capture", NULL, "Left ADC" },
|
|
{ "Codec Capture", NULL, "Right ADC" },
|
|
|
|
/* DAC Routes */
|
|
{ "Left DAC", NULL, "DAC Enable" },
|
|
{ "Right DAC", NULL, "DAC Enable" },
|
|
{ "Left DAC", NULL, "Codec Playback" },
|
|
{ "Right DAC", NULL, "Codec Playback" },
|
|
};
|
|
|
|
static struct snd_soc_aux_dev aux_dev = {
|
|
.name = "Codec Analog Controls",
|
|
};
|
|
|
|
static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
int ret;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
|
|
"allwinner,codec-analog-controls",
|
|
0);
|
|
if (!aux_dev.codec_of_node) {
|
|
dev_err(dev, "Can't find analog controls for codec.\n");
|
|
return ERR_PTR(-EINVAL);
|
|
};
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
if (!card->dai_link)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dev = dev;
|
|
card->name = "A23 Audio Codec";
|
|
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
|
|
card->dapm_routes = sun8i_codec_card_routes;
|
|
card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
|
|
card->aux_dev = &aux_dev;
|
|
card->num_aux_devs = 1;
|
|
card->fully_routed = true;
|
|
|
|
ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
|
|
if (ret)
|
|
dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
|
|
|
|
return card;
|
|
};
|
|
|
|
static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
int ret;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
|
|
"allwinner,codec-analog-controls",
|
|
0);
|
|
if (!aux_dev.codec_of_node) {
|
|
dev_err(dev, "Can't find analog controls for codec.\n");
|
|
return ERR_PTR(-EINVAL);
|
|
};
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
if (!card->dai_link)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dev = dev;
|
|
card->name = "H3 Audio Codec";
|
|
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
|
|
card->dapm_routes = sun8i_codec_card_routes;
|
|
card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
|
|
card->aux_dev = &aux_dev;
|
|
card->num_aux_devs = 1;
|
|
card->fully_routed = true;
|
|
|
|
ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
|
|
if (ret)
|
|
dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
|
|
|
|
return card;
|
|
};
|
|
|
|
static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
int ret;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
|
|
"allwinner,codec-analog-controls",
|
|
0);
|
|
if (!aux_dev.codec_of_node) {
|
|
dev_err(dev, "Can't find analog controls for codec.\n");
|
|
return ERR_PTR(-EINVAL);
|
|
};
|
|
|
|
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
|
|
if (!card->dai_link)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
card->dev = dev;
|
|
card->name = "V3s Audio Codec";
|
|
card->dapm_widgets = sun6i_codec_card_dapm_widgets;
|
|
card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
|
|
card->dapm_routes = sun8i_codec_card_routes;
|
|
card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
|
|
card->aux_dev = &aux_dev;
|
|
card->num_aux_devs = 1;
|
|
card->fully_routed = true;
|
|
|
|
ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
|
|
if (ret)
|
|
dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
|
|
|
|
return card;
|
|
};
|
|
|
|
static const struct regmap_config sun4i_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN4I_CODEC_ADC_RXCNT,
|
|
};
|
|
|
|
static const struct regmap_config sun6i_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN6I_CODEC_HMIC_DATA,
|
|
};
|
|
|
|
static const struct regmap_config sun7i_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL,
|
|
};
|
|
|
|
static const struct regmap_config sun8i_a23_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN8I_A23_CODEC_ADC_RXCNT,
|
|
};
|
|
|
|
static const struct regmap_config sun8i_h3_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN8I_H3_CODEC_ADC_DBG,
|
|
};
|
|
|
|
static const struct regmap_config sun8i_v3s_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN8I_H3_CODEC_ADC_DBG,
|
|
};
|
|
|
|
struct sun4i_codec_quirks {
|
|
const struct regmap_config *regmap_config;
|
|
const struct snd_soc_component_driver *codec;
|
|
struct snd_soc_card * (*create_card)(struct device *dev);
|
|
struct reg_field reg_adc_fifoc; /* used for regmap_field */
|
|
unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */
|
|
unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */
|
|
bool has_reset;
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun4i_codec_quirks = {
|
|
.regmap_config = &sun4i_codec_regmap_config,
|
|
.codec = &sun4i_codec_codec,
|
|
.create_card = sun4i_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
|
|
.regmap_config = &sun6i_codec_regmap_config,
|
|
.codec = &sun6i_codec_codec,
|
|
.create_card = sun6i_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
|
|
.has_reset = true,
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun7i_codec_quirks = {
|
|
.regmap_config = &sun7i_codec_regmap_config,
|
|
.codec = &sun4i_codec_codec,
|
|
.create_card = sun4i_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
|
|
.regmap_config = &sun8i_a23_codec_regmap_config,
|
|
.codec = &sun8i_a23_codec_codec,
|
|
.create_card = sun8i_a23_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
|
|
.has_reset = true,
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
|
|
.regmap_config = &sun8i_h3_codec_regmap_config,
|
|
/*
|
|
* TODO Share the codec structure with A23 for now.
|
|
* This should be split out when adding digital audio
|
|
* processing support for the H3.
|
|
*/
|
|
.codec = &sun8i_a23_codec_codec,
|
|
.create_card = sun8i_h3_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
|
|
.has_reset = true,
|
|
};
|
|
|
|
static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
|
|
.regmap_config = &sun8i_v3s_codec_regmap_config,
|
|
/*
|
|
* TODO The codec structure should be split out, like
|
|
* H3, when adding digital audio processing support.
|
|
*/
|
|
.codec = &sun8i_a23_codec_codec,
|
|
.create_card = sun8i_v3s_codec_create_card,
|
|
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
|
|
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
|
|
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
|
|
.has_reset = true,
|
|
};
|
|
|
|
static const struct of_device_id sun4i_codec_of_match[] = {
|
|
{
|
|
.compatible = "allwinner,sun4i-a10-codec",
|
|
.data = &sun4i_codec_quirks,
|
|
},
|
|
{
|
|
.compatible = "allwinner,sun6i-a31-codec",
|
|
.data = &sun6i_a31_codec_quirks,
|
|
},
|
|
{
|
|
.compatible = "allwinner,sun7i-a20-codec",
|
|
.data = &sun7i_codec_quirks,
|
|
},
|
|
{
|
|
.compatible = "allwinner,sun8i-a23-codec",
|
|
.data = &sun8i_a23_codec_quirks,
|
|
},
|
|
{
|
|
.compatible = "allwinner,sun8i-h3-codec",
|
|
.data = &sun8i_h3_codec_quirks,
|
|
},
|
|
{
|
|
.compatible = "allwinner,sun8i-v3s-codec",
|
|
.data = &sun8i_v3s_codec_quirks,
|
|
},
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
|
|
|
|
static int sun4i_codec_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
struct sun4i_codec *scodec;
|
|
const struct sun4i_codec_quirks *quirks;
|
|
struct resource *res;
|
|
void __iomem *base;
|
|
int ret;
|
|
|
|
scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
|
|
if (!scodec)
|
|
return -ENOMEM;
|
|
|
|
scodec->dev = &pdev->dev;
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
base = devm_ioremap_resource(&pdev->dev, res);
|
|
if (IS_ERR(base)) {
|
|
dev_err(&pdev->dev, "Failed to map the registers\n");
|
|
return PTR_ERR(base);
|
|
}
|
|
|
|
quirks = of_device_get_match_data(&pdev->dev);
|
|
if (quirks == NULL) {
|
|
dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
|
|
quirks->regmap_config);
|
|
if (IS_ERR(scodec->regmap)) {
|
|
dev_err(&pdev->dev, "Failed to create our regmap\n");
|
|
return PTR_ERR(scodec->regmap);
|
|
}
|
|
|
|
/* Get the clocks from the DT */
|
|
scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
|
|
if (IS_ERR(scodec->clk_apb)) {
|
|
dev_err(&pdev->dev, "Failed to get the APB clock\n");
|
|
return PTR_ERR(scodec->clk_apb);
|
|
}
|
|
|
|
scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
|
|
if (IS_ERR(scodec->clk_module)) {
|
|
dev_err(&pdev->dev, "Failed to get the module clock\n");
|
|
return PTR_ERR(scodec->clk_module);
|
|
}
|
|
|
|
if (quirks->has_reset) {
|
|
scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
|
|
NULL);
|
|
if (IS_ERR(scodec->rst)) {
|
|
dev_err(&pdev->dev, "Failed to get reset control\n");
|
|
return PTR_ERR(scodec->rst);
|
|
}
|
|
}
|
|
|
|
scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
|
|
GPIOD_OUT_LOW);
|
|
if (IS_ERR(scodec->gpio_pa)) {
|
|
ret = PTR_ERR(scodec->gpio_pa);
|
|
if (ret != -EPROBE_DEFER)
|
|
dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* reg_field setup */
|
|
scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
|
|
scodec->regmap,
|
|
quirks->reg_adc_fifoc);
|
|
if (IS_ERR(scodec->reg_adc_fifoc)) {
|
|
ret = PTR_ERR(scodec->reg_adc_fifoc);
|
|
dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Enable the bus clock */
|
|
if (clk_prepare_enable(scodec->clk_apb)) {
|
|
dev_err(&pdev->dev, "Failed to enable the APB clock\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Deassert the reset control */
|
|
if (scodec->rst) {
|
|
ret = reset_control_deassert(scodec->rst);
|
|
if (ret) {
|
|
dev_err(&pdev->dev,
|
|
"Failed to deassert the reset control\n");
|
|
goto err_clk_disable;
|
|
}
|
|
}
|
|
|
|
/* DMA configuration for TX FIFO */
|
|
scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
|
|
scodec->playback_dma_data.maxburst = 8;
|
|
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
|
|
/* DMA configuration for RX FIFO */
|
|
scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
|
|
scodec->capture_dma_data.maxburst = 8;
|
|
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
|
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
|
|
&sun4i_codec_dai, 1);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register our codec\n");
|
|
goto err_assert_reset;
|
|
}
|
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev,
|
|
&sun4i_codec_component,
|
|
&dummy_cpu_dai, 1);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register our DAI\n");
|
|
goto err_assert_reset;
|
|
}
|
|
|
|
ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
|
|
goto err_assert_reset;
|
|
}
|
|
|
|
card = quirks->create_card(&pdev->dev);
|
|
if (IS_ERR(card)) {
|
|
ret = PTR_ERR(card);
|
|
dev_err(&pdev->dev, "Failed to create our card\n");
|
|
goto err_assert_reset;
|
|
}
|
|
|
|
snd_soc_card_set_drvdata(card, scodec);
|
|
|
|
ret = snd_soc_register_card(card);
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register our card\n");
|
|
goto err_assert_reset;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_assert_reset:
|
|
if (scodec->rst)
|
|
reset_control_assert(scodec->rst);
|
|
err_clk_disable:
|
|
clk_disable_unprepare(scodec->clk_apb);
|
|
return ret;
|
|
}
|
|
|
|
static int sun4i_codec_remove(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
|
|
|
|
snd_soc_unregister_card(card);
|
|
if (scodec->rst)
|
|
reset_control_assert(scodec->rst);
|
|
clk_disable_unprepare(scodec->clk_apb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver sun4i_codec_driver = {
|
|
.driver = {
|
|
.name = "sun4i-codec",
|
|
.of_match_table = sun4i_codec_of_match,
|
|
},
|
|
.probe = sun4i_codec_probe,
|
|
.remove = sun4i_codec_remove,
|
|
};
|
|
module_platform_driver(sun4i_codec_driver);
|
|
|
|
MODULE_DESCRIPTION("Allwinner A10 codec driver");
|
|
MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
|
|
MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
|
|
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
|
|
MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
|
|
MODULE_LICENSE("GPL");
|