/*
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* sound\soc\sunxi\sunxi_ahub_daudio.c
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* (C) Copyright 2015-2017
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Wolfgang huang <huangjinhui@allwinnertechtech.com>
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*
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* some simple description for this code
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/io.h>
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#include <linux/regulator/consumer.h>
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#include <linux/pinctrl/consumer.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/pm.h>
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#include <linux/of_gpio.h>
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#include <linux/workqueue.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/soc-dapm.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include "sunxi_ahub.h"
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#include "sunxi-pcm.h"
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#define DRV_NAME "sunxi-ahub-daudio"
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struct sunxi_ahub_daudio_priv {
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struct device *dev;
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struct regmap *regmap;
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struct clk *pllclk;
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#ifdef AHUB_PLL_AUDIO_X4
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struct clk *pllclkx4;
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#endif
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struct clk *moduleclk;
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struct pinctrl *pinctrl;
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struct pinctrl_state *pinstate;
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struct pinctrl_state *pinstate_sleep;
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struct snd_soc_dai_driver *cpudai;
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char cpudai_name[20];
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struct mutex mutex;
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int used_cnt;
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unsigned int pinconfig;
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unsigned int frame_type;
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unsigned int daudio_master;
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unsigned int pcm_lrck_period;
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unsigned int slot_width_select;
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unsigned int audio_format;
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unsigned int signal_inversion;
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unsigned int tdm_config;
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unsigned int tdm_num;
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unsigned int mclk_div;
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};
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static int sunxi_ahub_daudio_global_enable(struct sunxi_ahub_daudio_priv
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*sunxi_ahub_daudio, int enable, unsigned int id)
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{
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if (enable) {
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_SDO0_EN), (1<<I2S_CTL_SDO0_EN));
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/* Special processing for HDMI hub playback module */
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if (sunxi_ahub_daudio->tdm_num == SUNXI_AHUB_HDMI_ID) {
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO1_EN), (1<<I2S_CTL_SDO1_EN));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO2_EN), (1<<I2S_CTL_SDO2_EN));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO3_EN), (1<<I2S_CTL_SDO3_EN));
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}
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_GEN), (1<<I2S_CTL_GEN));
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} else {
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_GEN), (0<<I2S_CTL_GEN));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_SDO0_EN), (0<<I2S_CTL_SDO0_EN));
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/* Special processing for HDMI hub playback module */
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if (sunxi_ahub_daudio->tdm_num == SUNXI_AHUB_HDMI_ID) {
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO1_EN), (0<<I2S_CTL_SDO1_EN));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO2_EN), (0<<I2S_CTL_SDO2_EN));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(sunxi_ahub_daudio->tdm_num),
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(1<<I2S_CTL_SDO3_EN), (0<<I2S_CTL_SDO3_EN));
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}
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}
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return 0;
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}
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static int sunxi_ahub_daudio_mclk_setting(struct sunxi_ahub_daudio_priv
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*sunxi_ahub_daudio, unsigned int id)
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{
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unsigned int mclk_div;
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if (sunxi_ahub_daudio->mclk_div) {
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switch (sunxi_ahub_daudio->mclk_div) {
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case 1:
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mclk_div = 1;
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break;
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case 2:
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mclk_div = 2;
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break;
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case 4:
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mclk_div = 3;
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break;
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case 6:
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mclk_div = 4;
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break;
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case 8:
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mclk_div = 5;
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break;
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case 12:
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mclk_div = 6;
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break;
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case 16:
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mclk_div = 7;
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break;
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case 24:
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mclk_div = 8;
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break;
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case 32:
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mclk_div = 9;
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break;
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case 48:
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mclk_div = 10;
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break;
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case 64:
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mclk_div = 11;
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break;
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case 96:
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mclk_div = 12;
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break;
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case 128:
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mclk_div = 13;
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break;
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case 176:
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mclk_div = 14;
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break;
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case 192:
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mclk_div = 15;
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev,
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"unsupport mclk_div\n");
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return -EINVAL;
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}
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/* setting Mclk as external codec input clk */
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CLKD(id),
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(0xf<<I2S_CLKD_MCLKDIV),
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(mclk_div<<I2S_CLKD_MCLKDIV));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CLKD(id),
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(0x1<<I2S_CLKD_MCLK), (1<<I2S_CLKD_MCLK));
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} else {
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CLKD(id),
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(0x1<<I2S_CLKD_MCLK), (0<<I2S_CLKD_MCLK));
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}
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return 0;
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}
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static int sunxi_ahub_daudio_init_fmt(struct sunxi_ahub_daudio_priv
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*sunxi_ahub_daudio, unsigned int fmt, unsigned int id)
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{
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unsigned int offset, mode;
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unsigned int lrck_polarity = 0;
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unsigned int brck_polarity;
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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case SND_SOC_DAIFMT_CBM_CFM:
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_CLK_OUT), (0<<I2S_CTL_CLK_OUT));
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break;
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case SND_SOC_DAIFMT_CBS_CFS:
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_CTL(id),
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(1<<I2S_CTL_CLK_OUT), (1<<I2S_CTL_CLK_OUT));
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev, "unknown maser/slave format\n");
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return -EINVAL;
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}
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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offset = 1;
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mode = 1;
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break;
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case SND_SOC_DAIFMT_RIGHT_J:
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offset = 0;
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mode = 2;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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offset = 0;
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mode = 1;
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break;
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case SND_SOC_DAIFMT_DSP_A:
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offset = 1;
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mode = 0;
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break;
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case SND_SOC_DAIFMT_DSP_B:
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offset = 0;
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mode = 0;
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev, "format setting failed\n");
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return -EINVAL;
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}
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_CTL(id),
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(0x3<<I2S_CTL_MODE), (mode<<I2S_CTL_MODE));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_SLOT0(id),
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(0x1<<I2S_OUT_OFFSET), (offset<<I2S_OUT_OFFSET));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_SLOT1(id),
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(0x1<<I2S_OUT_OFFSET), (offset<<I2S_OUT_OFFSET));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_SLOT2(id),
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(0x1<<I2S_OUT_OFFSET), (offset<<I2S_OUT_OFFSET));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_SLOT3(id),
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(0x1<<I2S_OUT_OFFSET), (offset<<I2S_OUT_OFFSET));
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regmap_update_bits(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_IN_SLOT(id),
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(0x1<<I2S_IN_OFFSET), (offset<<I2S_IN_OFFSET));
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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case SND_SOC_DAIFMT_RIGHT_J:
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case SND_SOC_DAIFMT_LEFT_J:
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF:
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lrck_polarity = 0;
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brck_polarity = 0;
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break;
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case SND_SOC_DAIFMT_NB_IF:
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lrck_polarity = 1;
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brck_polarity = 0;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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lrck_polarity = 0;
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brck_polarity = 1;
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break;
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case SND_SOC_DAIFMT_IB_IF:
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lrck_polarity = 1;
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brck_polarity = 1;
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev,
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"invert clk setting failed\n");
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return -EINVAL;
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}
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break;
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case SND_SOC_DAIFMT_DSP_A:
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case SND_SOC_DAIFMT_DSP_B:
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/* frame inversion not valid for DSP modes */
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF:
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lrck_polarity = 0;
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brck_polarity = 0;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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lrck_polarity = 0;
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brck_polarity = 1;
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev, "dai fmt invalid\n");
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return -EINVAL;
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}
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break;
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default:
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dev_err(sunxi_ahub_daudio->dev, "format setting failed\n");
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return -EINVAL;
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}
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT0(id),
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(1<<I2S_FMT0_LRCK_POLARITY),
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(lrck_polarity<<I2S_FMT0_LRCK_POLARITY));
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT0(id),
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(1<<I2S_FMT0_BCLK_POLARITY),
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(brck_polarity<<I2S_FMT0_BCLK_POLARITY));
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return 0;
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}
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static int sunxi_ahub_daudio_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
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snd_soc_dai_get_drvdata(dai);
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sunxi_ahub_daudio_init_fmt(sunxi_ahub_daudio, fmt,
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(sunxi_ahub_daudio->tdm_num));
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return 0;
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}
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static int sunxi_ahub_daudio_init(
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struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio, int id)
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{
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int ret;
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sunxi_ahub_daudio_global_enable(sunxi_ahub_daudio, 1, id);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH0MAP0(id), 0x76543210);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH0MAP1(id), 0xFEDCBA98);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH1MAP0(id), 0x76543210);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH1MAP1(id), 0xFEDCBA98);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH2MAP0(id), 0x76543210);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH2MAP1(id), 0xFEDCBA98);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH3MAP0(id), 0x76543210);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_OUT_CH3MAP1(id), 0xFEDCBA98);
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#if defined(CONFIG_ARCH_SUN50IW9)
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/* change the I2S CHMAP for ac107 capture success */
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_IN_CHMAP0(id), 0x03020100);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_IN_CHMAP1(id), 0x00000000);
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#else
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_IN_CHMAP0(id), 0x76543210);
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regmap_write(sunxi_ahub_daudio->regmap,
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SUNXI_AHUB_I2S_IN_CHMAP1(id), 0xFEDCBA98);
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#endif
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT0(id),
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(1<<I2S_FMT0_LRCK_WIDTH),
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(sunxi_ahub_daudio->frame_type<<I2S_FMT0_LRCK_WIDTH));
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT0(id),
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(0x1ff<<I2S_FMT0_LRCK_PERIOD),
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((sunxi_ahub_daudio->pcm_lrck_period-1)<<I2S_FMT0_LRCK_PERIOD));
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regmap_update_bits(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT0(id),
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(0x7<<I2S_FMT0_SW),
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(((sunxi_ahub_daudio->slot_width_select>>2) - 1)<<I2S_FMT0_SW));
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/*
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* MSB on the transmit format, always be first.
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* default using Linear-PCM, without no companding.
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* A-law<Eourpean standard> or U-law<US-Japan> not working ok.
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*/
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regmap_write(sunxi_ahub_daudio->regmap, SUNXI_AHUB_I2S_FMT1(id), 0x30);
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if (sunxi_ahub_daudio->pinconfig) {
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sunxi_ahub_daudio->pinctrl =
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devm_pinctrl_get(sunxi_ahub_daudio->dev);
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if (IS_ERR_OR_NULL(sunxi_ahub_daudio->pinctrl)) {
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dev_err(sunxi_ahub_daudio->dev, "pinctrl get failed\n");
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return -ENODEV;
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}
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}
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if (sunxi_ahub_daudio->pinconfig) {
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sunxi_ahub_daudio->pinstate =
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pinctrl_lookup_state(sunxi_ahub_daudio->pinctrl,
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"default");
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if (IS_ERR_OR_NULL(sunxi_ahub_daudio->pinstate)) {
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dev_err(sunxi_ahub_daudio->dev,
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"pinctrl default state get failed\n");
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return -ENODEV;
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}
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sunxi_ahub_daudio->pinstate_sleep =
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pinctrl_lookup_state(sunxi_ahub_daudio->pinctrl,
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"sleep");
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if (IS_ERR_OR_NULL(sunxi_ahub_daudio->pinstate_sleep)) {
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dev_err(sunxi_ahub_daudio->dev,
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"pinctrl sleep state get failed\n");
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return -ENODEV;
|
}
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ret = pinctrl_select_state(sunxi_ahub_daudio->pinctrl,
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sunxi_ahub_daudio->pinstate);
|
if (ret) {
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dev_warn(sunxi_ahub_daudio->dev,
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"select default state failed\n");
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return -EBUSY;
|
}
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}
|
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/* default setting the daudio fmt */
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sunxi_ahub_daudio_init_fmt(sunxi_ahub_daudio,
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(sunxi_ahub_daudio->audio_format
|
| (sunxi_ahub_daudio->signal_inversion<<8)
|
| (sunxi_ahub_daudio->daudio_master<<12)), id);
|
|
sunxi_ahub_daudio_mclk_setting(sunxi_ahub_daudio, id);
|
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_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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struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
struct snd_soc_card *card = rtd->card;
|
struct sndhdmi_priv *sunxi_hdmi = snd_soc_card_get_drvdata(card);
|
|
/* default setting the daudio fmt */
|
sunxi_ahub_daudio_init_fmt(sunxi_ahub_daudio,
|
(sunxi_ahub_daudio->audio_format
|
| (sunxi_ahub_daudio->signal_inversion<<8)
|
| (sunxi_ahub_daudio->daudio_master<<12)),
|
sunxi_ahub_daudio->tdm_num);
|
|
switch (params_format(params)) {
|
case SNDRV_PCM_FORMAT_S16_LE:
|
/*
|
* Special procesing for hdmi, HDMI card name is
|
* "sndhdmi" or sndhdmiraw. if card not HDMI,
|
* strstr func just return NULL, jump to right section.
|
* Not HDMI card, sunxi_hdmi maybe a NULL pointer.
|
*/
|
if (sunxi_ahub_daudio->tdm_num == SUNXI_AHUB_HDMI_ID) {
|
if (sunxi_hdmi->hdmi_format > 1)
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_FMT0(
|
sunxi_ahub_daudio->tdm_num),
|
(7<<I2S_FMT0_SR), (5<<I2S_FMT0_SR));
|
else
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_FMT0(
|
sunxi_ahub_daudio->tdm_num),
|
(7<<I2S_FMT0_SR), (3<<I2S_FMT0_SR));
|
} else {
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_FMT0(sunxi_ahub_daudio->tdm_num),
|
(7<<I2S_FMT0_SR), (3<<I2S_FMT0_SR));
|
}
|
break;
|
case SNDRV_PCM_FORMAT_S24_LE:
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_FMT0(sunxi_ahub_daudio->tdm_num),
|
(7<<I2S_FMT0_SR), (5<<I2S_FMT0_SR));
|
break;
|
case SNDRV_PCM_FORMAT_S32_LE:
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_FMT0(sunxi_ahub_daudio->tdm_num),
|
(7<<I2S_FMT0_SR), (7<<I2S_FMT0_SR));
|
break;
|
default:
|
dev_err(sunxi_ahub_daudio->dev, "unrecognized format\n");
|
return -EINVAL;
|
}
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_CHCFG(sunxi_ahub_daudio->tdm_num),
|
(0xf<<I2S_CHCFG_TX_CHANNUM),
|
((params_channels(params)-1)<<I2S_CHCFG_TX_CHANNUM));
|
|
if (sunxi_ahub_daudio->tdm_num == SUNXI_AHUB_HDMI_ID) {
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH0MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x10);
|
if (sunxi_hdmi->hdmi_format > 1) {
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH1MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x32);
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH2MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x54);
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH3MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x76);
|
} else {
|
if (params_channels(params) > 2) {
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH1MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x23);
|
/* only 5.1 & 7.1 */
|
if (params_channels(params) > 4) {
|
if (params_channels(params) == 6)
|
/* 5.1 hit this */
|
regmap_write(
|
sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH2MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x54);
|
else
|
/* 7.1 hit this */
|
regmap_write(
|
sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH2MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x76);
|
}
|
if (params_channels(params) > 6)
|
regmap_write(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_CH3MAP0(
|
sunxi_ahub_daudio->tdm_num),
|
0x54);
|
}
|
}
|
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT0(
|
sunxi_ahub_daudio->tdm_num),
|
(0x0f<<I2S_OUT_SLOT_NUM),
|
(0x01<<I2S_OUT_SLOT_NUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT0(
|
sunxi_ahub_daudio->tdm_num),
|
(0xffff<<I2S_OUT_SLOT_EN),
|
(0x03<<I2S_OUT_SLOT_EN));
|
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT1(
|
sunxi_ahub_daudio->tdm_num),
|
(0x0f<<I2S_OUT_SLOT_NUM),
|
(0x01<<I2S_OUT_SLOT_NUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT1(
|
sunxi_ahub_daudio->tdm_num),
|
(0xffff<<I2S_OUT_SLOT_EN),
|
(0x03<<I2S_OUT_SLOT_EN));
|
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT2(
|
sunxi_ahub_daudio->tdm_num),
|
(0x0f<<I2S_OUT_SLOT_NUM),
|
(0x01<<I2S_OUT_SLOT_NUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT2(
|
sunxi_ahub_daudio->tdm_num),
|
(0xffff<<I2S_OUT_SLOT_EN),
|
(0x03<<I2S_OUT_SLOT_EN));
|
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT3(
|
sunxi_ahub_daudio->tdm_num),
|
(0x0f<<I2S_OUT_SLOT_NUM),
|
(0x01<<I2S_OUT_SLOT_NUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT3(
|
sunxi_ahub_daudio->tdm_num),
|
(0xffff<<I2S_OUT_SLOT_EN),
|
(0x03<<I2S_OUT_SLOT_EN));
|
} else {
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT0(
|
sunxi_ahub_daudio->tdm_num),
|
(0x0f<<I2S_OUT_SLOT_NUM),
|
((params_channels(params)-1)<<I2S_OUT_SLOT_NUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_OUT_SLOT0(
|
sunxi_ahub_daudio->tdm_num),
|
(0xffff<<I2S_OUT_SLOT_EN),
|
(((1<<params_channels(params))-1)<<I2S_OUT_SLOT_EN));
|
}
|
} else {
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_CHCFG(sunxi_ahub_daudio->tdm_num),
|
(0xf<<I2S_CHCFG_RX_CHANNUM),
|
((params_channels(params)-1)<<I2S_CHCFG_RX_CHANNUM));
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_IN_SLOT(sunxi_ahub_daudio->tdm_num),
|
(0xf<<I2S_IN_SLOT_NUM),
|
((params_channels(params)-1)<<I2S_IN_SLOT_NUM));
|
}
|
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_set_sysclk(struct snd_soc_dai *dai,
|
int clk_id, unsigned int freq, int dir)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
|
#ifdef AHUB_PLL_AUDIO_X4
|
if (clk_set_rate(sunxi_ahub_daudio->pllclkx4, freq)) {
|
dev_err(sunxi_ahub_daudio->dev, "set pllclkx4 rate failed\n");
|
return -EBUSY;
|
}
|
|
if (clk_set_rate(sunxi_ahub_daudio->moduleclk, freq)) {
|
dev_err(sunxi_ahub_daudio->dev, "set moduleclk rate failed\n");
|
return -EBUSY;
|
}
|
#else
|
if (clk_set_rate(sunxi_ahub_daudio->pllclk, freq)) {
|
dev_err(sunxi_ahub_daudio->dev, "set pllclk rate failed\n");
|
return -EBUSY;
|
}
|
#endif
|
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_set_clkdiv(struct snd_soc_dai *dai,
|
int clk_id, int clk_div)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
unsigned int bclk_div, div_ratio;
|
|
if (sunxi_ahub_daudio->tdm_config)
|
/* I2S/TDM two channel mode */
|
div_ratio = clk_div / (sunxi_ahub_daudio->pcm_lrck_period * 2);
|
else
|
/* PCM mode */
|
div_ratio = clk_div / sunxi_ahub_daudio->pcm_lrck_period;
|
|
switch (div_ratio) {
|
case 1:
|
bclk_div = 1;
|
break;
|
case 2:
|
bclk_div = 2;
|
break;
|
case 4:
|
bclk_div = 3;
|
break;
|
case 6:
|
bclk_div = 4;
|
break;
|
case 8:
|
bclk_div = 5;
|
break;
|
case 12:
|
bclk_div = 6;
|
break;
|
case 16:
|
bclk_div = 7;
|
break;
|
case 24:
|
bclk_div = 8;
|
break;
|
case 32:
|
bclk_div = 9;
|
break;
|
case 48:
|
bclk_div = 10;
|
break;
|
case 64:
|
bclk_div = 11;
|
break;
|
case 96:
|
bclk_div = 12;
|
break;
|
case 128:
|
bclk_div = 13;
|
break;
|
case 176:
|
bclk_div = 14;
|
break;
|
case 192:
|
bclk_div = 15;
|
break;
|
default:
|
dev_err(sunxi_ahub_daudio->dev, "unsupport clk_div\n");
|
return -EINVAL;
|
}
|
|
/* setting bclk to driver external codec bit clk */
|
regmap_update_bits(sunxi_ahub_daudio->regmap,
|
SUNXI_AHUB_I2S_CLKD(sunxi_ahub_daudio->tdm_num),
|
(0xf<<I2S_CLKD_BCLKDIV), (bclk_div<<I2S_CLKD_BCLKDIV));
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_trigger(struct snd_pcm_substream *substream,
|
int cmd, struct snd_soc_dai *dai)
|
{
|
switch (cmd) {
|
case SNDRV_PCM_TRIGGER_START:
|
case SNDRV_PCM_TRIGGER_RESUME:
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
break;
|
case SNDRV_PCM_TRIGGER_STOP:
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
/* HMID module, we just keep this clk */
|
break;
|
default:
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_startup(struct snd_pcm_substream *substream,
|
struct snd_soc_dai *dai)
|
{
|
return 0;
|
}
|
|
static void sunxi_ahub_daudio_shutdown(struct snd_pcm_substream *substream,
|
struct snd_soc_dai *dai)
|
{
|
}
|
|
static struct snd_soc_dai_ops sunxi_ahub_cpu_dai_ops = {
|
.hw_params = sunxi_ahub_daudio_hw_params,
|
.set_sysclk = sunxi_ahub_daudio_set_sysclk,
|
.set_clkdiv = sunxi_ahub_daudio_set_clkdiv,
|
.set_fmt = sunxi_ahub_daudio_set_fmt,
|
.startup = sunxi_ahub_daudio_startup,
|
.trigger = sunxi_ahub_daudio_trigger,
|
.shutdown = sunxi_ahub_daudio_shutdown,
|
};
|
|
static int sunxi_ahub_daudio_probe(struct snd_soc_dai *dai)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
|
mutex_init(&sunxi_ahub_daudio->mutex);
|
sunxi_ahub_daudio_init(sunxi_ahub_daudio, (sunxi_ahub_daudio->tdm_num));
|
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_remove(struct snd_soc_dai *dai)
|
{
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_suspend(struct snd_soc_dai *dai)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
int ret;
|
|
pr_debug("Enter %s\n", __func__);
|
|
clk_disable_unprepare(sunxi_ahub_daudio->moduleclk);
|
#ifdef AHUB_PLL_AUDIO_X4
|
clk_disable_unprepare(sunxi_ahub_daudio->pllclkx4);
|
#endif
|
clk_disable_unprepare(sunxi_ahub_daudio->pllclk);
|
|
if (sunxi_ahub_daudio->pinconfig) {
|
ret = pinctrl_select_state(sunxi_ahub_daudio->pinctrl,
|
sunxi_ahub_daudio->pinstate_sleep);
|
if (ret) {
|
dev_warn(sunxi_ahub_daudio->dev,
|
"select i2s0-default state failed\n");
|
return -EBUSY;
|
}
|
}
|
/* Global disable I2S/TDM module */
|
sunxi_ahub_daudio_global_enable(sunxi_ahub_daudio, 0,
|
(sunxi_ahub_daudio->tdm_num));
|
|
pr_debug("End %s\n", __func__);
|
|
return 0;
|
}
|
|
static int sunxi_ahub_daudio_resume(struct snd_soc_dai *dai)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
snd_soc_dai_get_drvdata(dai);
|
|
pr_debug("Enter %s\n", __func__);
|
|
if (clk_prepare_enable(sunxi_ahub_daudio->pllclk)) {
|
dev_err(sunxi_ahub_daudio->dev, "pllclk resume failed\n");
|
return -EBUSY;
|
}
|
|
#ifdef AHUB_PLL_AUDIO_X4
|
if (clk_prepare_enable(sunxi_ahub_daudio->pllclkx4)) {
|
dev_err(sunxi_ahub_daudio->dev, "pllclkx4 resume failed\n");
|
return -EBUSY;
|
}
|
#endif
|
|
if (clk_prepare_enable(sunxi_ahub_daudio->moduleclk)) {
|
dev_err(sunxi_ahub_daudio->dev, "moduleclk resume failed\n");
|
return -EBUSY;
|
}
|
|
sunxi_ahub_daudio_init(sunxi_ahub_daudio, sunxi_ahub_daudio->tdm_num);
|
|
|
pr_debug("End %s\n", __func__);
|
|
return 0;
|
}
|
|
static struct snd_soc_dai_driver sunxi_ahub_daudio_mod = {
|
.probe = sunxi_ahub_daudio_probe,
|
.remove = sunxi_ahub_daudio_remove,
|
.suspend = sunxi_ahub_daudio_suspend,
|
.resume = sunxi_ahub_daudio_resume,
|
.playback = {
|
.channels_min = 1,
|
.channels_max = 16,
|
.rates = SNDRV_PCM_RATE_8000_192000 | SNDRV_PCM_RATE_KNOT,
|
.formats = SNDRV_PCM_FMTBIT_S16_LE
|
| SNDRV_PCM_FMTBIT_S24_LE
|
| SNDRV_PCM_FMTBIT_S32_LE,
|
},
|
.capture = {
|
.channels_min = 1,
|
.channels_max = 16,
|
.rates = SNDRV_PCM_RATE_8000_192000 | SNDRV_PCM_RATE_KNOT,
|
.formats = SNDRV_PCM_FMTBIT_S16_LE
|
| SNDRV_PCM_FMTBIT_S24_LE
|
| SNDRV_PCM_FMTBIT_S32_LE,
|
},
|
.ops = &sunxi_ahub_cpu_dai_ops,
|
};
|
|
static const struct snd_soc_component_driver sunxi_ahub_daudio_component = {
|
.name = DRV_NAME,
|
};
|
|
static int sunxi_ahub_daudio_dev_probe(struct platform_device *pdev)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio;
|
struct device_node *np = pdev->dev.of_node;
|
unsigned int temp_val;
|
int ret;
|
|
sunxi_ahub_daudio = devm_kzalloc(&pdev->dev,
|
sizeof(struct sunxi_ahub_daudio_priv), GFP_KERNEL);
|
if (!sunxi_ahub_daudio) {
|
ret = -ENOMEM;
|
goto err_node_put;
|
}
|
dev_set_drvdata(&pdev->dev, sunxi_ahub_daudio);
|
sunxi_ahub_daudio->dev = &pdev->dev;
|
|
sunxi_ahub_daudio->cpudai = devm_kzalloc(&pdev->dev,
|
sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
|
if (!sunxi_ahub_daudio->cpudai) {
|
ret = -ENOMEM;
|
goto err_devm_kfree;
|
} else {
|
memcpy(sunxi_ahub_daudio->cpudai, &sunxi_ahub_daudio_mod,
|
sizeof(struct snd_soc_dai_driver));
|
}
|
|
sunxi_ahub_daudio->pllclk = of_clk_get(np, 0);
|
if (IS_ERR_OR_NULL(sunxi_ahub_daudio->pllclk)) {
|
dev_err(&pdev->dev, "pllclk get failed\n");
|
ret = PTR_ERR(sunxi_ahub_daudio->pllclk);
|
goto err_cpudai_kfree;
|
}
|
|
#ifdef AHUB_PLL_AUDIO_X4
|
sunxi_ahub_daudio->pllclkx4 = of_clk_get(np, 1);
|
if (IS_ERR_OR_NULL(sunxi_ahub_daudio->pllclkx4)) {
|
dev_err(&pdev->dev, "pllclkx4 get failed\n");
|
ret = PTR_ERR(sunxi_ahub_daudio->pllclkx4);
|
goto err_cpudai_kfree;
|
}
|
|
sunxi_ahub_daudio->moduleclk = of_clk_get(np, 2);
|
if (IS_ERR_OR_NULL(sunxi_ahub_daudio->moduleclk)) {
|
dev_err(&pdev->dev, "moduleclk get failed\n");
|
ret = PTR_ERR(sunxi_ahub_daudio->moduleclk);
|
goto err_pllclk_put;
|
}
|
|
if (clk_set_parent(sunxi_ahub_daudio->moduleclk,
|
sunxi_ahub_daudio->pllclkx4)) {
|
dev_err(&pdev->dev, "set parent of moduleclk to pllclkx4 fail\n");
|
ret = -EBUSY;
|
goto err_moduleclk_put;
|
}
|
clk_prepare_enable(sunxi_ahub_daudio->pllclk);
|
clk_prepare_enable(sunxi_ahub_daudio->pllclkx4);
|
clk_prepare_enable(sunxi_ahub_daudio->moduleclk);
|
#else
|
sunxi_ahub_daudio->moduleclk = of_clk_get(np, 1);
|
if (IS_ERR_OR_NULL(sunxi_ahub_daudio->moduleclk)) {
|
dev_err(&pdev->dev, "moduleclk get failed\n");
|
ret = PTR_ERR(sunxi_ahub_daudio->moduleclk);
|
goto err_pllclk_put;
|
}
|
|
if (clk_set_parent(sunxi_ahub_daudio->moduleclk,
|
sunxi_ahub_daudio->pllclk)) {
|
dev_err(&pdev->dev, "set parent of moduleclk to pllclk fail\n");
|
ret = -EBUSY;
|
goto err_moduleclk_put;
|
}
|
clk_prepare_enable(sunxi_ahub_daudio->pllclk);
|
clk_prepare_enable(sunxi_ahub_daudio->moduleclk);
|
#endif
|
|
ret = of_property_read_u32(np, "tdm_num", &temp_val);
|
if (ret < 0) {
|
dev_err(&pdev->dev, "tdm_num configuration invalid\n");
|
goto err_moduleclk_put;
|
} else {
|
sunxi_ahub_daudio->tdm_num = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "pinconfig", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "pinconfig configuration invalid\n");
|
sunxi_ahub_daudio->pinconfig = 0;
|
} else {
|
sunxi_ahub_daudio->pinconfig = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "frametype", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "frametype configuration invalid\n");
|
sunxi_ahub_daudio->frame_type = 0;
|
} else {
|
sunxi_ahub_daudio->frame_type = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "daudio_master", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "daudio_master configuration invalid\n");
|
sunxi_ahub_daudio->daudio_master = 4;
|
} else {
|
sunxi_ahub_daudio->daudio_master = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "pcm_lrck_period", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "pcm_lrck_period configuration invalid\n");
|
sunxi_ahub_daudio->pcm_lrck_period = 0;
|
} else {
|
sunxi_ahub_daudio->pcm_lrck_period = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "slot_width_select", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "slot_width_select configuration inval\n");
|
sunxi_ahub_daudio->slot_width_select = 0;
|
} else {
|
sunxi_ahub_daudio->slot_width_select = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "audio_format", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "audio_format configuration invalid\n");
|
sunxi_ahub_daudio->audio_format = 1;
|
} else {
|
sunxi_ahub_daudio->audio_format = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "signal_inversion", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "signal_inversion configuration inval\n");
|
sunxi_ahub_daudio->signal_inversion = 1;
|
} else {
|
sunxi_ahub_daudio->signal_inversion = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "tdm_config", &temp_val);
|
if (ret < 0) {
|
dev_warn(&pdev->dev, "tdm_config configuration invalid\n");
|
sunxi_ahub_daudio->tdm_config = 1;
|
} else {
|
sunxi_ahub_daudio->tdm_config = temp_val;
|
}
|
|
ret = of_property_read_u32(np, "mclk_div", &temp_val);
|
if (ret < 0)
|
sunxi_ahub_daudio->mclk_div = 0;
|
else
|
sunxi_ahub_daudio->mclk_div = temp_val;
|
|
sunxi_ahub_daudio->regmap = sunxi_ahub_regmap_init(pdev);
|
if (!sunxi_ahub_daudio->regmap) {
|
dev_err(&pdev->dev, "regmap not init ok\n");
|
ret = -ENOMEM;
|
goto err_moduleclk_put;
|
}
|
|
/* diff handle for dais even we use tdm_num as dai id ----->roy */
|
sunxi_ahub_daudio->cpudai->id = sunxi_ahub_daudio->tdm_num;
|
sprintf(sunxi_ahub_daudio->cpudai_name, "sunxi-ahub-cpu-aif%d",
|
sunxi_ahub_daudio->tdm_num);
|
sunxi_ahub_daudio->cpudai->name = sunxi_ahub_daudio->cpudai_name;
|
|
ret = snd_soc_register_component(&pdev->dev,
|
&sunxi_ahub_daudio_component,
|
sunxi_ahub_daudio->cpudai, 1);
|
if (ret) {
|
dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
|
ret = -EBUSY;
|
goto err_moduleclk_put;
|
}
|
return 0;
|
|
err_moduleclk_put:
|
clk_put(sunxi_ahub_daudio->moduleclk);
|
err_pllclk_put:
|
clk_put(sunxi_ahub_daudio->pllclk);
|
err_cpudai_kfree:
|
kfree(sunxi_ahub_daudio->cpudai);
|
err_devm_kfree:
|
devm_kfree(&pdev->dev, sunxi_ahub_daudio);
|
err_node_put:
|
of_node_put(np);
|
return ret;
|
}
|
|
static int __exit sunxi_ahub_daudio_dev_remove(struct platform_device *pdev)
|
{
|
struct sunxi_ahub_daudio_priv *sunxi_ahub_daudio =
|
dev_get_drvdata(&pdev->dev);
|
|
snd_soc_unregister_component(&pdev->dev);
|
clk_put(sunxi_ahub_daudio->moduleclk);
|
#ifdef AHUB_PLL_AUDIO_X4
|
clk_put(sunxi_ahub_daudio->pllclkx4);
|
#endif
|
clk_put(sunxi_ahub_daudio->pllclk);
|
return 0;
|
}
|
|
static const struct of_device_id sunxi_ahub_daudio_of_match[] = {
|
{ .compatible = "allwinner,sunxi-ahub-daudio", },
|
{},
|
};
|
|
static struct platform_driver sunxi_ahub_daudio_driver = {
|
.probe = sunxi_ahub_daudio_dev_probe,
|
.remove = __exit_p(sunxi_ahub_daudio_dev_remove),
|
.driver = {
|
.name = DRV_NAME,
|
.owner = THIS_MODULE,
|
.of_match_table = sunxi_ahub_daudio_of_match,
|
},
|
};
|
|
module_platform_driver(sunxi_ahub_daudio_driver);
|
|
MODULE_AUTHOR("wolfgang huang <huangjinhui@allwinnertech.com>");
|
MODULE_DESCRIPTION("SUNXI Audio Hub ASoC Interface");
|
MODULE_LICENSE("GPL");
|
MODULE_ALIAS("platform:sunxi-ahub");
|
