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80503b23b2
Based on 1 normalized pattern(s): licensed under the gpl 2 or later extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 82 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
922 lines
23 KiB
C
922 lines
23 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for ADAU1701 SigmaDSP processor
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*
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* Copyright 2011 Analog Devices Inc.
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* Author: Lars-Peter Clausen <lars@metafoo.de>
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* based on an inital version by Cliff Cai <cliff.cai@analog.com>
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/i2c.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_gpio.h>
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#include <linux/of_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regmap.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 <asm/unaligned.h>
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#include "sigmadsp.h"
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#include "adau1701.h"
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#define ADAU1701_SAFELOAD_DATA(i) (0x0810 + (i))
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#define ADAU1701_SAFELOAD_ADDR(i) (0x0815 + (i))
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#define ADAU1701_DSPCTRL 0x081c
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#define ADAU1701_SEROCTL 0x081e
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#define ADAU1701_SERICTL 0x081f
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#define ADAU1701_AUXNPOW 0x0822
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#define ADAU1701_PINCONF_0 0x0820
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#define ADAU1701_PINCONF_1 0x0821
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#define ADAU1701_AUXNPOW 0x0822
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#define ADAU1701_OSCIPOW 0x0826
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#define ADAU1701_DACSET 0x0827
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#define ADAU1701_MAX_REGISTER 0x0828
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#define ADAU1701_DSPCTRL_CR (1 << 2)
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#define ADAU1701_DSPCTRL_DAM (1 << 3)
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#define ADAU1701_DSPCTRL_ADM (1 << 4)
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#define ADAU1701_DSPCTRL_IST (1 << 5)
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#define ADAU1701_DSPCTRL_SR_48 0x00
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#define ADAU1701_DSPCTRL_SR_96 0x01
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#define ADAU1701_DSPCTRL_SR_192 0x02
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#define ADAU1701_DSPCTRL_SR_MASK 0x03
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#define ADAU1701_SEROCTL_INV_LRCLK 0x2000
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#define ADAU1701_SEROCTL_INV_BCLK 0x1000
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#define ADAU1701_SEROCTL_MASTER 0x0800
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#define ADAU1701_SEROCTL_OBF16 0x0000
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#define ADAU1701_SEROCTL_OBF8 0x0200
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#define ADAU1701_SEROCTL_OBF4 0x0400
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#define ADAU1701_SEROCTL_OBF2 0x0600
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#define ADAU1701_SEROCTL_OBF_MASK 0x0600
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#define ADAU1701_SEROCTL_OLF1024 0x0000
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#define ADAU1701_SEROCTL_OLF512 0x0080
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#define ADAU1701_SEROCTL_OLF256 0x0100
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#define ADAU1701_SEROCTL_OLF_MASK 0x0180
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#define ADAU1701_SEROCTL_MSB_DEALY1 0x0000
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#define ADAU1701_SEROCTL_MSB_DEALY0 0x0004
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#define ADAU1701_SEROCTL_MSB_DEALY8 0x0008
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#define ADAU1701_SEROCTL_MSB_DEALY12 0x000c
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#define ADAU1701_SEROCTL_MSB_DEALY16 0x0010
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#define ADAU1701_SEROCTL_MSB_DEALY_MASK 0x001c
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#define ADAU1701_SEROCTL_WORD_LEN_24 0x0000
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#define ADAU1701_SEROCTL_WORD_LEN_20 0x0001
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#define ADAU1701_SEROCTL_WORD_LEN_16 0x0002
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#define ADAU1701_SEROCTL_WORD_LEN_MASK 0x0003
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#define ADAU1701_AUXNPOW_VBPD 0x40
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#define ADAU1701_AUXNPOW_VRPD 0x20
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#define ADAU1701_SERICTL_I2S 0
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#define ADAU1701_SERICTL_LEFTJ 1
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#define ADAU1701_SERICTL_TDM 2
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#define ADAU1701_SERICTL_RIGHTJ_24 3
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#define ADAU1701_SERICTL_RIGHTJ_20 4
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#define ADAU1701_SERICTL_RIGHTJ_18 5
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#define ADAU1701_SERICTL_RIGHTJ_16 6
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#define ADAU1701_SERICTL_MODE_MASK 7
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#define ADAU1701_SERICTL_INV_BCLK BIT(3)
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#define ADAU1701_SERICTL_INV_LRCLK BIT(4)
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#define ADAU1701_OSCIPOW_OPD 0x04
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#define ADAU1701_DACSET_DACINIT 1
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#define ADAU1707_CLKDIV_UNSET (-1U)
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#define ADAU1701_FIRMWARE "adau1701.bin"
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static const char * const supply_names[] = {
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"dvdd", "avdd"
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};
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struct adau1701 {
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int gpio_nreset;
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int gpio_pll_mode[2];
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unsigned int dai_fmt;
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unsigned int pll_clkdiv;
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unsigned int sysclk;
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struct regmap *regmap;
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struct i2c_client *client;
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u8 pin_config[12];
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struct sigmadsp *sigmadsp;
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struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
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};
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static const struct snd_kcontrol_new adau1701_controls[] = {
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SOC_SINGLE("Master Capture Switch", ADAU1701_DSPCTRL, 4, 1, 0),
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};
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static const struct snd_soc_dapm_widget adau1701_dapm_widgets[] = {
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SND_SOC_DAPM_DAC("DAC0", "Playback", ADAU1701_AUXNPOW, 3, 1),
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SND_SOC_DAPM_DAC("DAC1", "Playback", ADAU1701_AUXNPOW, 2, 1),
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SND_SOC_DAPM_DAC("DAC2", "Playback", ADAU1701_AUXNPOW, 1, 1),
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SND_SOC_DAPM_DAC("DAC3", "Playback", ADAU1701_AUXNPOW, 0, 1),
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SND_SOC_DAPM_ADC("ADC", "Capture", ADAU1701_AUXNPOW, 7, 1),
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SND_SOC_DAPM_OUTPUT("OUT0"),
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SND_SOC_DAPM_OUTPUT("OUT1"),
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SND_SOC_DAPM_OUTPUT("OUT2"),
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SND_SOC_DAPM_OUTPUT("OUT3"),
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SND_SOC_DAPM_INPUT("IN0"),
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SND_SOC_DAPM_INPUT("IN1"),
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};
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static const struct snd_soc_dapm_route adau1701_dapm_routes[] = {
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{ "OUT0", NULL, "DAC0" },
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{ "OUT1", NULL, "DAC1" },
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{ "OUT2", NULL, "DAC2" },
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{ "OUT3", NULL, "DAC3" },
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{ "ADC", NULL, "IN0" },
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{ "ADC", NULL, "IN1" },
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};
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static unsigned int adau1701_register_size(struct device *dev,
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unsigned int reg)
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{
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switch (reg) {
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case ADAU1701_PINCONF_0:
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case ADAU1701_PINCONF_1:
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return 3;
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case ADAU1701_DSPCTRL:
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case ADAU1701_SEROCTL:
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case ADAU1701_AUXNPOW:
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case ADAU1701_OSCIPOW:
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case ADAU1701_DACSET:
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return 2;
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case ADAU1701_SERICTL:
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return 1;
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}
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dev_err(dev, "Unsupported register address: %d\n", reg);
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return 0;
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}
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static bool adau1701_volatile_reg(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case ADAU1701_DACSET:
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case ADAU1701_DSPCTRL:
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return true;
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default:
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return false;
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}
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}
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static int adau1701_reg_write(void *context, unsigned int reg,
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unsigned int value)
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{
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struct i2c_client *client = context;
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unsigned int i;
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unsigned int size;
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uint8_t buf[5];
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int ret;
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size = adau1701_register_size(&client->dev, reg);
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if (size == 0)
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return -EINVAL;
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buf[0] = reg >> 8;
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buf[1] = reg & 0xff;
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for (i = size + 1; i >= 2; --i) {
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buf[i] = value;
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value >>= 8;
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}
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ret = i2c_master_send(client, buf, size + 2);
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if (ret == size + 2)
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return 0;
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else if (ret < 0)
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return ret;
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else
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return -EIO;
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}
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static int adau1701_reg_read(void *context, unsigned int reg,
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unsigned int *value)
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{
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int ret;
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unsigned int i;
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unsigned int size;
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uint8_t send_buf[2], recv_buf[3];
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struct i2c_client *client = context;
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struct i2c_msg msgs[2];
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size = adau1701_register_size(&client->dev, reg);
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if (size == 0)
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return -EINVAL;
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send_buf[0] = reg >> 8;
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send_buf[1] = reg & 0xff;
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msgs[0].addr = client->addr;
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msgs[0].len = sizeof(send_buf);
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msgs[0].buf = send_buf;
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msgs[0].flags = 0;
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msgs[1].addr = client->addr;
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msgs[1].len = size;
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msgs[1].buf = recv_buf;
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msgs[1].flags = I2C_M_RD;
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ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
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if (ret < 0)
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return ret;
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else if (ret != ARRAY_SIZE(msgs))
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return -EIO;
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*value = 0;
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for (i = 0; i < size; i++) {
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*value <<= 8;
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*value |= recv_buf[i];
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}
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return 0;
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}
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static int adau1701_safeload(struct sigmadsp *sigmadsp, unsigned int addr,
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const uint8_t bytes[], size_t len)
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{
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struct i2c_client *client = to_i2c_client(sigmadsp->dev);
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struct adau1701 *adau1701 = i2c_get_clientdata(client);
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unsigned int val;
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unsigned int i;
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uint8_t buf[10];
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int ret;
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ret = regmap_read(adau1701->regmap, ADAU1701_DSPCTRL, &val);
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if (ret)
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return ret;
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if (val & ADAU1701_DSPCTRL_IST)
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msleep(50);
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for (i = 0; i < len / 4; i++) {
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put_unaligned_le16(ADAU1701_SAFELOAD_DATA(i), buf);
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buf[2] = 0x00;
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memcpy(buf + 3, bytes + i * 4, 4);
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ret = i2c_master_send(client, buf, 7);
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if (ret < 0)
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return ret;
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else if (ret != 7)
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return -EIO;
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put_unaligned_le16(ADAU1701_SAFELOAD_ADDR(i), buf);
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put_unaligned_le16(addr + i, buf + 2);
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ret = i2c_master_send(client, buf, 4);
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if (ret < 0)
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return ret;
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else if (ret != 4)
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return -EIO;
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}
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return regmap_update_bits(adau1701->regmap, ADAU1701_DSPCTRL,
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ADAU1701_DSPCTRL_IST, ADAU1701_DSPCTRL_IST);
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}
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static const struct sigmadsp_ops adau1701_sigmadsp_ops = {
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.safeload = adau1701_safeload,
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};
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static int adau1701_reset(struct snd_soc_component *component, unsigned int clkdiv,
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unsigned int rate)
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{
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struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
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int ret;
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sigmadsp_reset(adau1701->sigmadsp);
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if (clkdiv != ADAU1707_CLKDIV_UNSET &&
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gpio_is_valid(adau1701->gpio_pll_mode[0]) &&
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gpio_is_valid(adau1701->gpio_pll_mode[1])) {
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switch (clkdiv) {
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case 64:
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 0);
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 0);
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break;
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case 256:
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 0);
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 1);
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break;
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case 384:
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 1);
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 0);
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break;
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case 0: /* fallback */
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case 512:
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[0], 1);
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gpio_set_value_cansleep(adau1701->gpio_pll_mode[1], 1);
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break;
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}
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}
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adau1701->pll_clkdiv = clkdiv;
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if (gpio_is_valid(adau1701->gpio_nreset)) {
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gpio_set_value_cansleep(adau1701->gpio_nreset, 0);
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/* minimum reset time is 20ns */
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udelay(1);
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gpio_set_value_cansleep(adau1701->gpio_nreset, 1);
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/* power-up time may be as long as 85ms */
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mdelay(85);
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}
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/*
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* Postpone the firmware download to a point in time when we
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* know the correct PLL setup
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*/
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if (clkdiv != ADAU1707_CLKDIV_UNSET) {
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ret = sigmadsp_setup(adau1701->sigmadsp, rate);
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if (ret) {
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dev_warn(component->dev, "Failed to load firmware\n");
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return ret;
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}
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}
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regmap_write(adau1701->regmap, ADAU1701_DACSET, ADAU1701_DACSET_DACINIT);
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regmap_write(adau1701->regmap, ADAU1701_DSPCTRL, ADAU1701_DSPCTRL_CR);
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regcache_mark_dirty(adau1701->regmap);
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regcache_sync(adau1701->regmap);
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return 0;
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}
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static int adau1701_set_capture_pcm_format(struct snd_soc_component *component,
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struct snd_pcm_hw_params *params)
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{
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struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
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unsigned int mask = ADAU1701_SEROCTL_WORD_LEN_MASK;
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unsigned int val;
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switch (params_width(params)) {
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case 16:
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val = ADAU1701_SEROCTL_WORD_LEN_16;
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break;
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case 20:
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val = ADAU1701_SEROCTL_WORD_LEN_20;
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break;
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case 24:
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val = ADAU1701_SEROCTL_WORD_LEN_24;
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break;
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default:
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return -EINVAL;
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}
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if (adau1701->dai_fmt == SND_SOC_DAIFMT_RIGHT_J) {
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switch (params_width(params)) {
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case 16:
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val |= ADAU1701_SEROCTL_MSB_DEALY16;
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break;
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case 20:
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val |= ADAU1701_SEROCTL_MSB_DEALY12;
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break;
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case 24:
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val |= ADAU1701_SEROCTL_MSB_DEALY8;
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break;
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}
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mask |= ADAU1701_SEROCTL_MSB_DEALY_MASK;
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}
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regmap_update_bits(adau1701->regmap, ADAU1701_SEROCTL, mask, val);
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return 0;
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}
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static int adau1701_set_playback_pcm_format(struct snd_soc_component *component,
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struct snd_pcm_hw_params *params)
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{
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struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
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unsigned int val;
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if (adau1701->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
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return 0;
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switch (params_width(params)) {
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case 16:
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val = ADAU1701_SERICTL_RIGHTJ_16;
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break;
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case 20:
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val = ADAU1701_SERICTL_RIGHTJ_20;
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break;
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case 24:
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val = ADAU1701_SERICTL_RIGHTJ_24;
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break;
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default:
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return -EINVAL;
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}
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regmap_update_bits(adau1701->regmap, ADAU1701_SERICTL,
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ADAU1701_SERICTL_MODE_MASK, val);
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return 0;
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}
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static int adau1701_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
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unsigned int clkdiv = adau1701->sysclk / params_rate(params);
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unsigned int val;
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int ret;
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/*
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* If the mclk/lrclk ratio changes, the chip needs updated PLL
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* mode GPIO settings, and a full reset cycle, including a new
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* firmware upload.
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*/
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if (clkdiv != adau1701->pll_clkdiv) {
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ret = adau1701_reset(component, clkdiv, params_rate(params));
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if (ret < 0)
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return ret;
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}
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switch (params_rate(params)) {
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case 192000:
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val = ADAU1701_DSPCTRL_SR_192;
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break;
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case 96000:
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val = ADAU1701_DSPCTRL_SR_96;
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break;
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case 48000:
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val = ADAU1701_DSPCTRL_SR_48;
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break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(adau1701->regmap, ADAU1701_DSPCTRL,
|
|
ADAU1701_DSPCTRL_SR_MASK, val);
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
return adau1701_set_playback_pcm_format(component, params);
|
|
else
|
|
return adau1701_set_capture_pcm_format(component, params);
|
|
}
|
|
|
|
static int adau1701_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
|
unsigned int fmt)
|
|
{
|
|
struct snd_soc_component *component = codec_dai->component;
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
unsigned int serictl = 0x00, seroctl = 0x00;
|
|
bool invert_lrclk;
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
/* master, 64-bits per sample, 1 frame per sample */
|
|
seroctl |= ADAU1701_SEROCTL_MASTER | ADAU1701_SEROCTL_OBF16
|
|
| ADAU1701_SEROCTL_OLF1024;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* clock inversion */
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
invert_lrclk = false;
|
|
break;
|
|
case SND_SOC_DAIFMT_NB_IF:
|
|
invert_lrclk = true;
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
invert_lrclk = false;
|
|
serictl |= ADAU1701_SERICTL_INV_BCLK;
|
|
seroctl |= ADAU1701_SEROCTL_INV_BCLK;
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
invert_lrclk = true;
|
|
serictl |= ADAU1701_SERICTL_INV_BCLK;
|
|
seroctl |= ADAU1701_SEROCTL_INV_BCLK;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
serictl |= ADAU1701_SERICTL_LEFTJ;
|
|
seroctl |= ADAU1701_SEROCTL_MSB_DEALY0;
|
|
invert_lrclk = !invert_lrclk;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
serictl |= ADAU1701_SERICTL_RIGHTJ_24;
|
|
seroctl |= ADAU1701_SEROCTL_MSB_DEALY8;
|
|
invert_lrclk = !invert_lrclk;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (invert_lrclk) {
|
|
seroctl |= ADAU1701_SEROCTL_INV_LRCLK;
|
|
serictl |= ADAU1701_SERICTL_INV_LRCLK;
|
|
}
|
|
|
|
adau1701->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
|
|
|
|
regmap_write(adau1701->regmap, ADAU1701_SERICTL, serictl);
|
|
regmap_update_bits(adau1701->regmap, ADAU1701_SEROCTL,
|
|
~ADAU1701_SEROCTL_WORD_LEN_MASK, seroctl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adau1701_set_bias_level(struct snd_soc_component *component,
|
|
enum snd_soc_bias_level level)
|
|
{
|
|
unsigned int mask = ADAU1701_AUXNPOW_VBPD | ADAU1701_AUXNPOW_VRPD;
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (level) {
|
|
case SND_SOC_BIAS_ON:
|
|
break;
|
|
case SND_SOC_BIAS_PREPARE:
|
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
|
/* Enable VREF and VREF buffer */
|
|
regmap_update_bits(adau1701->regmap,
|
|
ADAU1701_AUXNPOW, mask, 0x00);
|
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
|
/* Disable VREF and VREF buffer */
|
|
regmap_update_bits(adau1701->regmap,
|
|
ADAU1701_AUXNPOW, mask, mask);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adau1701_digital_mute(struct snd_soc_dai *dai, int mute)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
unsigned int mask = ADAU1701_DSPCTRL_DAM;
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
unsigned int val;
|
|
|
|
if (mute)
|
|
val = 0;
|
|
else
|
|
val = mask;
|
|
|
|
regmap_update_bits(adau1701->regmap, ADAU1701_DSPCTRL, mask, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adau1701_set_sysclk(struct snd_soc_component *component, int clk_id,
|
|
int source, unsigned int freq, int dir)
|
|
{
|
|
unsigned int val;
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (clk_id) {
|
|
case ADAU1701_CLK_SRC_OSC:
|
|
val = 0x0;
|
|
break;
|
|
case ADAU1701_CLK_SRC_MCLK:
|
|
val = ADAU1701_OSCIPOW_OPD;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(adau1701->regmap, ADAU1701_OSCIPOW,
|
|
ADAU1701_OSCIPOW_OPD, val);
|
|
adau1701->sysclk = freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adau1701_startup(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(dai->component);
|
|
|
|
return sigmadsp_restrict_params(adau1701->sigmadsp, substream);
|
|
}
|
|
|
|
#define ADAU1701_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | \
|
|
SNDRV_PCM_RATE_192000)
|
|
|
|
#define ADAU1701_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
|
|
SNDRV_PCM_FMTBIT_S24_LE)
|
|
|
|
static const struct snd_soc_dai_ops adau1701_dai_ops = {
|
|
.set_fmt = adau1701_set_dai_fmt,
|
|
.hw_params = adau1701_hw_params,
|
|
.digital_mute = adau1701_digital_mute,
|
|
.startup = adau1701_startup,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver adau1701_dai = {
|
|
.name = "adau1701",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 8,
|
|
.rates = ADAU1701_RATES,
|
|
.formats = ADAU1701_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 8,
|
|
.rates = ADAU1701_RATES,
|
|
.formats = ADAU1701_FORMATS,
|
|
},
|
|
.ops = &adau1701_dai_ops,
|
|
.symmetric_rates = 1,
|
|
};
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id adau1701_dt_ids[] = {
|
|
{ .compatible = "adi,adau1701", },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, adau1701_dt_ids);
|
|
#endif
|
|
|
|
static int adau1701_probe(struct snd_soc_component *component)
|
|
{
|
|
int i, ret;
|
|
unsigned int val;
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
|
|
ret = sigmadsp_attach(adau1701->sigmadsp, component);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(adau1701->supplies),
|
|
adau1701->supplies);
|
|
if (ret < 0) {
|
|
dev_err(component->dev, "Failed to enable regulators: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Let the pll_clkdiv variable default to something that won't happen
|
|
* at runtime. That way, we can postpone the firmware download from
|
|
* adau1701_reset() to a point in time when we know the correct PLL
|
|
* mode parameters.
|
|
*/
|
|
adau1701->pll_clkdiv = ADAU1707_CLKDIV_UNSET;
|
|
|
|
/* initalize with pre-configured pll mode settings */
|
|
ret = adau1701_reset(component, adau1701->pll_clkdiv, 0);
|
|
if (ret < 0)
|
|
goto exit_regulators_disable;
|
|
|
|
/* set up pin config */
|
|
val = 0;
|
|
for (i = 0; i < 6; i++)
|
|
val |= adau1701->pin_config[i] << (i * 4);
|
|
|
|
regmap_write(adau1701->regmap, ADAU1701_PINCONF_0, val);
|
|
|
|
val = 0;
|
|
for (i = 0; i < 6; i++)
|
|
val |= adau1701->pin_config[i + 6] << (i * 4);
|
|
|
|
regmap_write(adau1701->regmap, ADAU1701_PINCONF_1, val);
|
|
|
|
return 0;
|
|
|
|
exit_regulators_disable:
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(adau1701->supplies), adau1701->supplies);
|
|
return ret;
|
|
}
|
|
|
|
static void adau1701_remove(struct snd_soc_component *component)
|
|
{
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
|
|
if (gpio_is_valid(adau1701->gpio_nreset))
|
|
gpio_set_value_cansleep(adau1701->gpio_nreset, 0);
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(adau1701->supplies), adau1701->supplies);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int adau1701_suspend(struct snd_soc_component *component)
|
|
{
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(adau1701->supplies),
|
|
adau1701->supplies);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adau1701_resume(struct snd_soc_component *component)
|
|
{
|
|
struct adau1701 *adau1701 = snd_soc_component_get_drvdata(component);
|
|
int ret;
|
|
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(adau1701->supplies),
|
|
adau1701->supplies);
|
|
if (ret < 0) {
|
|
dev_err(component->dev, "Failed to enable regulators: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return adau1701_reset(component, adau1701->pll_clkdiv, 0);
|
|
}
|
|
#else
|
|
#define adau1701_resume NULL
|
|
#define adau1701_suspend NULL
|
|
#endif /* CONFIG_PM */
|
|
|
|
static const struct snd_soc_component_driver adau1701_component_drv = {
|
|
.probe = adau1701_probe,
|
|
.remove = adau1701_remove,
|
|
.resume = adau1701_resume,
|
|
.suspend = adau1701_suspend,
|
|
.set_bias_level = adau1701_set_bias_level,
|
|
.controls = adau1701_controls,
|
|
.num_controls = ARRAY_SIZE(adau1701_controls),
|
|
.dapm_widgets = adau1701_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(adau1701_dapm_widgets),
|
|
.dapm_routes = adau1701_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(adau1701_dapm_routes),
|
|
.set_sysclk = adau1701_set_sysclk,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct regmap_config adau1701_regmap = {
|
|
.reg_bits = 16,
|
|
.val_bits = 32,
|
|
.max_register = ADAU1701_MAX_REGISTER,
|
|
.cache_type = REGCACHE_RBTREE,
|
|
.volatile_reg = adau1701_volatile_reg,
|
|
.reg_write = adau1701_reg_write,
|
|
.reg_read = adau1701_reg_read,
|
|
};
|
|
|
|
static int adau1701_i2c_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct adau1701 *adau1701;
|
|
struct device *dev = &client->dev;
|
|
int gpio_nreset = -EINVAL;
|
|
int gpio_pll_mode[2] = { -EINVAL, -EINVAL };
|
|
int ret, i;
|
|
|
|
adau1701 = devm_kzalloc(dev, sizeof(*adau1701), GFP_KERNEL);
|
|
if (!adau1701)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(supply_names); i++)
|
|
adau1701->supplies[i].supply = supply_names[i];
|
|
|
|
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(adau1701->supplies),
|
|
adau1701->supplies);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Failed to get regulators: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(adau1701->supplies),
|
|
adau1701->supplies);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Failed to enable regulators: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
adau1701->client = client;
|
|
adau1701->regmap = devm_regmap_init(dev, NULL, client,
|
|
&adau1701_regmap);
|
|
if (IS_ERR(adau1701->regmap)) {
|
|
ret = PTR_ERR(adau1701->regmap);
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
|
|
if (dev->of_node) {
|
|
gpio_nreset = of_get_named_gpio(dev->of_node, "reset-gpio", 0);
|
|
if (gpio_nreset < 0 && gpio_nreset != -ENOENT) {
|
|
ret = gpio_nreset;
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
gpio_pll_mode[0] = of_get_named_gpio(dev->of_node,
|
|
"adi,pll-mode-gpios", 0);
|
|
if (gpio_pll_mode[0] < 0 && gpio_pll_mode[0] != -ENOENT) {
|
|
ret = gpio_pll_mode[0];
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
gpio_pll_mode[1] = of_get_named_gpio(dev->of_node,
|
|
"adi,pll-mode-gpios", 1);
|
|
if (gpio_pll_mode[1] < 0 && gpio_pll_mode[1] != -ENOENT) {
|
|
ret = gpio_pll_mode[1];
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
of_property_read_u32(dev->of_node, "adi,pll-clkdiv",
|
|
&adau1701->pll_clkdiv);
|
|
|
|
of_property_read_u8_array(dev->of_node, "adi,pin-config",
|
|
adau1701->pin_config,
|
|
ARRAY_SIZE(adau1701->pin_config));
|
|
}
|
|
|
|
if (gpio_is_valid(gpio_nreset)) {
|
|
ret = devm_gpio_request_one(dev, gpio_nreset, GPIOF_OUT_INIT_LOW,
|
|
"ADAU1701 Reset");
|
|
if (ret < 0)
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
if (gpio_is_valid(gpio_pll_mode[0]) &&
|
|
gpio_is_valid(gpio_pll_mode[1])) {
|
|
ret = devm_gpio_request_one(dev, gpio_pll_mode[0],
|
|
GPIOF_OUT_INIT_LOW,
|
|
"ADAU1701 PLL mode 0");
|
|
if (ret < 0)
|
|
goto exit_regulators_disable;
|
|
|
|
ret = devm_gpio_request_one(dev, gpio_pll_mode[1],
|
|
GPIOF_OUT_INIT_LOW,
|
|
"ADAU1701 PLL mode 1");
|
|
if (ret < 0)
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
adau1701->gpio_nreset = gpio_nreset;
|
|
adau1701->gpio_pll_mode[0] = gpio_pll_mode[0];
|
|
adau1701->gpio_pll_mode[1] = gpio_pll_mode[1];
|
|
|
|
i2c_set_clientdata(client, adau1701);
|
|
|
|
adau1701->sigmadsp = devm_sigmadsp_init_i2c(client,
|
|
&adau1701_sigmadsp_ops, ADAU1701_FIRMWARE);
|
|
if (IS_ERR(adau1701->sigmadsp)) {
|
|
ret = PTR_ERR(adau1701->sigmadsp);
|
|
goto exit_regulators_disable;
|
|
}
|
|
|
|
ret = devm_snd_soc_register_component(&client->dev,
|
|
&adau1701_component_drv,
|
|
&adau1701_dai, 1);
|
|
|
|
exit_regulators_disable:
|
|
|
|
regulator_bulk_disable(ARRAY_SIZE(adau1701->supplies), adau1701->supplies);
|
|
return ret;
|
|
}
|
|
|
|
static const struct i2c_device_id adau1701_i2c_id[] = {
|
|
{ "adau1401", 0 },
|
|
{ "adau1401a", 0 },
|
|
{ "adau1701", 0 },
|
|
{ "adau1702", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, adau1701_i2c_id);
|
|
|
|
static struct i2c_driver adau1701_i2c_driver = {
|
|
.driver = {
|
|
.name = "adau1701",
|
|
.of_match_table = of_match_ptr(adau1701_dt_ids),
|
|
},
|
|
.probe = adau1701_i2c_probe,
|
|
.id_table = adau1701_i2c_id,
|
|
};
|
|
|
|
module_i2c_driver(adau1701_i2c_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC ADAU1701 SigmaDSP driver");
|
|
MODULE_AUTHOR("Cliff Cai <cliff.cai@analog.com>");
|
|
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
|
MODULE_LICENSE("GPL");
|