1583 lines
43 KiB
C
1583 lines
43 KiB
C
/*
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* sound\soc\sunxi\snd_sunxi_daudio.c
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* (C) Copyright 2021-2025
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* AllWinner Technology Co., Ltd. <www.allwinnertech.com>
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* Dby <dby@allwinnertech.com>
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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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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/regulator/consumer.h>
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#include <linux/of.h>
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#include <linux/clk.h>
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#include <linux/reset.h>
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#include <linux/device.h>
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#include <linux/ioport.h>
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#include <linux/regmap.h>
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#include <linux/of_address.h>
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#include <linux/of_gpio.h>
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#include <linux/dma/sunxi-dma.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include "snd_sunxi_log.h"
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#include "snd_sunxi_pcm.h"
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#include "snd_sunxi_rxsync.h"
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#include "snd_sunxi_daudio.h"
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#define HLOG "DAUDIO"
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#define DRV_NAME "sunxi-snd-plat-daudio"
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/* for reg debug */
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#define REG_LABEL(constant) {#constant, constant, 0}
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#define REG_LABEL_END {NULL, 0, 0}
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struct reg_label {
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const char *name;
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const unsigned int address;
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unsigned int value;
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};
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static struct reg_label g_reg_labels[] = {
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REG_LABEL(SUNXI_DAUDIO_CTL),
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REG_LABEL(SUNXI_DAUDIO_FMT0),
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REG_LABEL(SUNXI_DAUDIO_FMT1),
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REG_LABEL(SUNXI_DAUDIO_INTSTA),
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/* REG_LABEL(SUNXI_DAUDIO_RXFIFO), */
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REG_LABEL(SUNXI_DAUDIO_FIFOCTL),
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REG_LABEL(SUNXI_DAUDIO_FIFOSTA),
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REG_LABEL(SUNXI_DAUDIO_INTCTL),
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/* REG_LABEL(SUNXI_DAUDIO_TXFIFO), */
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REG_LABEL(SUNXI_DAUDIO_CLKDIV),
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REG_LABEL(SUNXI_DAUDIO_TXCNT),
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REG_LABEL(SUNXI_DAUDIO_RXCNT),
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REG_LABEL(SUNXI_DAUDIO_CHCFG),
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REG_LABEL(SUNXI_DAUDIO_TX0CHSEL),
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REG_LABEL(SUNXI_DAUDIO_TX1CHSEL),
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REG_LABEL(SUNXI_DAUDIO_TX2CHSEL),
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REG_LABEL(SUNXI_DAUDIO_TX3CHSEL),
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REG_LABEL(SUNXI_DAUDIO_TX0CHMAP0),
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REG_LABEL(SUNXI_DAUDIO_TX0CHMAP1),
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REG_LABEL(SUNXI_DAUDIO_TX1CHMAP0),
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REG_LABEL(SUNXI_DAUDIO_TX1CHMAP1),
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REG_LABEL(SUNXI_DAUDIO_TX2CHMAP0),
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REG_LABEL(SUNXI_DAUDIO_TX2CHMAP1),
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REG_LABEL(SUNXI_DAUDIO_TX3CHMAP0),
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REG_LABEL(SUNXI_DAUDIO_TX3CHMAP1),
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REG_LABEL(SUNXI_DAUDIO_RXCHSEL),
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REG_LABEL(SUNXI_DAUDIO_RXCHMAP0),
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REG_LABEL(SUNXI_DAUDIO_RXCHMAP1),
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REG_LABEL(SUNXI_DAUDIO_RXCHMAP2),
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REG_LABEL(SUNXI_DAUDIO_RXCHMAP3),
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REG_LABEL(SUNXI_DAUDIO_DEBUG),
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REG_LABEL(SUNXI_DAUDIO_REV),
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REG_LABEL_END,
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};
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static struct regmap_config g_regmap_config = {
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.reg_bits = 32,
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.reg_stride = 4,
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.val_bits = 32,
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.max_register = SUNXI_DAUDIO_MAX_REG,
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.cache_type = REGCACHE_NONE,
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};
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static int snd_sunxi_save_reg(struct regmap *regmap, struct reg_label *reg_labels);
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static int snd_sunxi_echo_reg(struct regmap *regmap, struct reg_label *reg_labels);
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static int snd_sunxi_regulator_init(struct platform_device *pdev,
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struct sunxi_daudio_regulator *rglt);
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static void snd_sunxi_regulator_exit(struct platform_device *pdev,
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struct sunxi_daudio_regulator *rglt);
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static int snd_sunxi_regulator_enable(struct platform_device *pdev,
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struct sunxi_daudio_regulator *rglt);
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static void snd_sunxi_regulator_disable(struct platform_device *pdev,
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struct sunxi_daudio_regulator *rglt);
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static void sunxi_rx_sync_enable(void *data, bool enable);
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static int sunxi_daudio_dai_set_pll(struct snd_soc_dai *dai,
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int pll_id, int source,
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unsigned int freq_in, unsigned int freq_out)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct sunxi_daudio_clk *clk = &daudio->clk;
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SND_LOG_DEBUG(HLOG, "\n");
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if (clk_set_parent(clk->clk_module, clk->pllaudio)) {
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SND_LOG_ERR(HLOG, "set parent of clk_module to pll failed\n");
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return -EINVAL;
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}
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if (clk_set_rate(clk->pllaudio, freq_in)) {
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SND_LOG_ERR(HLOG, "freq : %u pll clk unsupport\n", freq_in);
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return -EINVAL;
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}
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if (clk_set_rate(clk->clk_module, freq_out)) {
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SND_LOG_ERR(HLOG, "freq : %u module clk unsupport\n", freq_out);
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return -EINVAL;
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}
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daudio->pllclk_freq = freq_in;
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daudio->moduleclk_freq = freq_out;
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return 0;
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}
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static int sunxi_daudio_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
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unsigned int freq, int dir)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct regmap *regmap = daudio->mem.regmap;
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unsigned int mclk_ratio, mclk_ratio_map;
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SND_LOG_DEBUG(HLOG, "\n");
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if (freq == 0) {
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regmap_update_bits(regmap, SUNXI_DAUDIO_CLKDIV,
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0x1 << MCLKOUT_EN, 0x0 << MCLKOUT_EN);
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return 0;
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}
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if (daudio->pllclk_freq == 0) {
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SND_LOG_ERR(HLOG, "pllclk freq is invalid\n");
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return -ENOMEM;
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}
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mclk_ratio = daudio->pllclk_freq / freq;
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switch (mclk_ratio) {
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case 1:
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mclk_ratio_map = 1;
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break;
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case 2:
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mclk_ratio_map = 2;
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break;
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case 4:
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mclk_ratio_map = 3;
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break;
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case 6:
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mclk_ratio_map = 4;
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break;
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case 8:
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mclk_ratio_map = 5;
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break;
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case 12:
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mclk_ratio_map = 6;
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break;
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case 16:
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mclk_ratio_map = 7;
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break;
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case 24:
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mclk_ratio_map = 8;
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break;
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case 32:
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mclk_ratio_map = 9;
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break;
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case 48:
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mclk_ratio_map = 10;
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break;
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case 64:
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mclk_ratio_map = 11;
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break;
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case 96:
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mclk_ratio_map = 12;
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break;
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case 128:
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mclk_ratio_map = 13;
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break;
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case 176:
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mclk_ratio_map = 14;
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break;
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case 192:
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mclk_ratio_map = 15;
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break;
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default:
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regmap_update_bits(regmap, SUNXI_DAUDIO_CLKDIV,
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0x1 << MCLKOUT_EN, 0x0 << MCLKOUT_EN);
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SND_LOG_ERR(HLOG, "mclk freq div unsupport\n");
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return -EINVAL;
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}
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regmap_update_bits(regmap, SUNXI_DAUDIO_CLKDIV,
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0xf << MCLK_DIV, mclk_ratio_map << MCLK_DIV);
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regmap_update_bits(regmap, SUNXI_DAUDIO_CLKDIV,
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0x1 << MCLKOUT_EN, 0x1 << MCLKOUT_EN);
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return 0;
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}
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static int sunxi_daudio_dai_set_bclk_ratio(struct snd_soc_dai *dai,
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unsigned int ratio)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct regmap *regmap = daudio->mem.regmap;
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unsigned int bclk_ratio;
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SND_LOG_DEBUG(HLOG, "\n");
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/* ratio -> cpudai pllclk / pcm rate */
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switch (ratio) {
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case 1:
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bclk_ratio = 1;
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break;
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case 2:
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bclk_ratio = 2;
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break;
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case 4:
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bclk_ratio = 3;
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break;
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case 6:
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bclk_ratio = 4;
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break;
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case 8:
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bclk_ratio = 5;
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break;
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case 12:
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bclk_ratio = 6;
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break;
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case 16:
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bclk_ratio = 7;
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break;
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case 24:
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bclk_ratio = 8;
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break;
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case 32:
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bclk_ratio = 9;
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break;
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case 48:
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bclk_ratio = 10;
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break;
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case 64:
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bclk_ratio = 11;
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break;
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case 96:
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bclk_ratio = 12;
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break;
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case 128:
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bclk_ratio = 13;
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break;
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case 176:
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bclk_ratio = 14;
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break;
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case 192:
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bclk_ratio = 15;
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break;
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default:
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SND_LOG_ERR(HLOG, "bclk freq div unsupport\n");
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return -EINVAL;
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}
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regmap_update_bits(regmap, SUNXI_DAUDIO_CLKDIV,
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0xf << BCLK_DIV, bclk_ratio << BCLK_DIV);
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return 0;
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}
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static int sunxi_daudio_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct regmap *regmap = daudio->mem.regmap;
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unsigned int mode, offset;
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unsigned int lrck_polarity, brck_polarity;
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SND_LOG_DEBUG(HLOG, "dai fmt -> 0x%x\n", fmt);
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daudio->fmt = fmt;
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/* set TDM format */
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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mode = 1;
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offset = 1;
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break;
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case SND_SOC_DAIFMT_RIGHT_J:
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mode = 2;
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offset = 0;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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mode = 1;
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offset = 0;
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break;
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case SND_SOC_DAIFMT_DSP_A:
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mode = 0;
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offset = 1;
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/* L data MSB after FRM LRC (short frame) */
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x1 << LRCK_WIDTH, 0x0 << LRCK_WIDTH);
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break;
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case SND_SOC_DAIFMT_DSP_B:
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mode = 0;
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offset = 0;
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/* L data MSB during FRM LRC (long frame) */
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x1 << LRCK_WIDTH, 0x1 << LRCK_WIDTH);
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break;
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default:
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SND_LOG_ERR(HLOG, "format setting failed\n");
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return -EINVAL;
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}
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x3 << MODE_SEL, mode << MODE_SEL);
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regmap_update_bits(regmap, SUNXI_DAUDIO_TX0CHSEL,
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0x3 << TX_OFFSET, offset << TX_OFFSET);
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regmap_update_bits(regmap, SUNXI_DAUDIO_TX1CHSEL,
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0x3 << TX_OFFSET, offset << TX_OFFSET);
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regmap_update_bits(regmap, SUNXI_DAUDIO_TX2CHSEL,
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0x3 << TX_OFFSET, offset << TX_OFFSET);
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regmap_update_bits(regmap, SUNXI_DAUDIO_TX3CHSEL,
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0x3 << TX_OFFSET, offset << TX_OFFSET);
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regmap_update_bits(regmap, SUNXI_DAUDIO_RXCHSEL,
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0x3 << RX_OFFSET, offset << RX_OFFSET);
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/* set lrck & bclk polarity */
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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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SND_LOG_ERR(HLOG, "invert clk setting failed\n");
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return -EINVAL;
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}
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x1 << LRCK_POLARITY,
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lrck_polarity << LRCK_POLARITY);
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x1 << BRCK_POLARITY,
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brck_polarity << BRCK_POLARITY);
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/* set master/slave */
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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/* bclk & lrck dir input */
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case SND_SOC_DAIFMT_CBM_CFM:
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << BCLK_OUT, 0x0 << BCLK_OUT);
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << LRCK_OUT, 0x0 << LRCK_OUT);
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break;
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case SND_SOC_DAIFMT_CBS_CFM:
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << BCLK_OUT, 0x1 << BCLK_OUT);
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << LRCK_OUT, 0x0 << LRCK_OUT);
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break;
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case SND_SOC_DAIFMT_CBM_CFS:
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << BCLK_OUT, 0x0 << BCLK_OUT);
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << LRCK_OUT, 0x1 << LRCK_OUT);
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break;
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case SND_SOC_DAIFMT_CBS_CFS:
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << BCLK_OUT, 0x1 << BCLK_OUT);
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regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
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0x1 << LRCK_OUT, 0x1 << LRCK_OUT);
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break;
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default:
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SND_LOG_ERR(HLOG, "unknown master/slave format\n");
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return -EINVAL;
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}
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return 0;
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}
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static int sunxi_daudio_dai_set_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask, unsigned int rx_mask,
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int slots, int slot_width)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct regmap *regmap = daudio->mem.regmap;
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unsigned int slot_width_map, lrck_width_map;
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SND_LOG_DEBUG(HLOG, "\n");
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switch (slot_width) {
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case 8:
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slot_width_map = 1;
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break;
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case 12:
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slot_width_map = 2;
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break;
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case 16:
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slot_width_map = 3;
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break;
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case 20:
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slot_width_map = 4;
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break;
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case 24:
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slot_width_map = 5;
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break;
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case 28:
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slot_width_map = 6;
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break;
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case 32:
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slot_width_map = 7;
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break;
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default:
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SND_LOG_ERR(HLOG, "unknown slot width\n");
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return -EINVAL;
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}
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x7 << SLOT_WIDTH, slot_width_map << SLOT_WIDTH);
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/* bclk num of per channel
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* I2S/RIGHT_J/LEFT_J -> lrck long total is lrck_width_map * 2
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* DSP_A/DAP_B -> lrck long total is lrck_width_map * 1
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*/
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switch (daudio->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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slots /= 2;
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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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break;
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default:
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SND_LOG_ERR(HLOG, "unsupoort format\n");
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return -EINVAL;
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}
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lrck_width_map = slots * slot_width - 1;
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regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
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0x3ff << LRCK_PERIOD, lrck_width_map << LRCK_PERIOD);
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return 0;
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}
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static int sunxi_daudio_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
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{
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struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
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struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
snd_soc_dai_set_dma_data(dai, substream, &daudio->playback_dma_param);
|
|
} else {
|
|
snd_soc_dai_set_dma_data(dai, substream, &daudio->capture_dma_param);
|
|
if (dts->rx_sync_en && dts->rx_sync_ctl)
|
|
sunxi_rx_sync_startup((void *)daudio, dts->rx_sync_domain, dts->rx_sync_id,
|
|
sunxi_rx_sync_enable);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sunxi_daudio_dai_shutdown(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
|
|
if (dts->rx_sync_en && dts->rx_sync_ctl)
|
|
sunxi_rx_sync_shutdown(dts->rx_sync_domain, dts->rx_sync_id);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
unsigned int channels;
|
|
unsigned int channels_en[16] = {
|
|
0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
|
|
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
|
|
};
|
|
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* set bits */
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
|
|
(SUNXI_DAUDIO_SR_MASK << DAUDIO_SAMPLE_RESOLUTION),
|
|
(SUNXI_DAUDIO_SR_16BIT << DAUDIO_SAMPLE_RESOLUTION));
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_TXIM_MASK << TXIM),
|
|
(SUNXI_DAUDIO_TXIM_VALID_LSB << TXIM));
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_RXOM_MASK << RXOM),
|
|
(SUNXI_DAUDIO_RXOM_EXPH << RXOM));
|
|
}
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
|
|
(SUNXI_DAUDIO_SR_MASK << DAUDIO_SAMPLE_RESOLUTION),
|
|
(SUNXI_DAUDIO_SR_24BIT << DAUDIO_SAMPLE_RESOLUTION));
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_TXIM_MASK << TXIM),
|
|
(SUNXI_DAUDIO_TXIM_VALID_LSB << TXIM));
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_RXOM_MASK << RXOM),
|
|
(SUNXI_DAUDIO_RXOM_EXPH << RXOM));
|
|
}
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT0,
|
|
(SUNXI_DAUDIO_SR_MASK << DAUDIO_SAMPLE_RESOLUTION),
|
|
(SUNXI_DAUDIO_SR_32BIT << DAUDIO_SAMPLE_RESOLUTION));
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_TXIM_MASK << TXIM),
|
|
(SUNXI_DAUDIO_TXIM_VALID_LSB << TXIM));
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(SUNXI_DAUDIO_RXOM_MASK << RXOM),
|
|
(SUNXI_DAUDIO_RXOM_EXPH << RXOM));
|
|
}
|
|
break;
|
|
default:
|
|
SND_LOG_ERR(HLOG, "unrecognized format\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* set channels */
|
|
channels = params_channels(params);
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CHCFG,
|
|
(SUNXI_DAUDIO_TX_SLOT_MASK << TX_SLOT_NUM),
|
|
(channels - 1) << TX_SLOT_NUM);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX0CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHSEL_MASK << TX_CHSEL),
|
|
(channels - 1) << TX_CHSEL);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX1CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHSEL_MASK << TX_CHSEL),
|
|
(channels - 1) << TX_CHSEL);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX2CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHSEL_MASK << TX_CHSEL),
|
|
(channels - 1) << TX_CHSEL);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX3CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHSEL_MASK << TX_CHSEL),
|
|
(channels - 1) << TX_CHSEL);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX0CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHEN_MASK << TX_CHEN),
|
|
channels_en[channels - 1] << TX_CHEN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX1CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHEN_MASK << TX_CHEN),
|
|
channels_en[channels - 1] << TX_CHEN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX2CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHEN_MASK << TX_CHEN),
|
|
channels_en[channels - 1] << TX_CHEN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_TX3CHSEL,
|
|
(SUNXI_DAUDIO_TX_CHEN_MASK << TX_CHEN),
|
|
channels_en[channels - 1] << TX_CHEN);
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CHCFG,
|
|
(SUNXI_DAUDIO_RX_SLOT_MASK << RX_SLOT_NUM),
|
|
(channels - 1) << RX_SLOT_NUM);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_RXCHSEL,
|
|
(SUNXI_DAUDIO_RX_CHSEL_MASK << RX_CHSEL),
|
|
(channels - 1) << RX_CHSEL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_prepare(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
unsigned int i;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
for (i = 0 ; i < SUNXI_DAUDIO_FTX_TIMES ; i++) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL, (1<<FIFO_CTL_FTX),
|
|
(1<<FIFO_CTL_FTX));
|
|
mdelay(1);
|
|
}
|
|
regmap_write(regmap, SUNXI_DAUDIO_TXCNT, 0);
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL, (1<<FIFO_CTL_FRX),
|
|
(1<<FIFO_CTL_FRX));
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCNT, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sunxi_daudio_dai_tx_route(struct sunxi_daudio *daudio,
|
|
bool enable)
|
|
{
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
unsigned int reg_val;
|
|
|
|
if (enable) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_INTCTL, (1 << TXDRQEN), (1 << TXDRQEN));
|
|
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, (1 << (SDO0_EN + dts->tx_pin)),
|
|
(1 << (SDO0_EN + dts->tx_pin)));
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, (1 << CTL_TXEN), (1 << CTL_TXEN));
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_INTCTL, (1 << TXDRQEN), (0 << TXDRQEN));
|
|
|
|
/* add this to avoid the i2s pop */
|
|
while (1) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
(1 << FIFO_CTL_FTX), (1 << FIFO_CTL_FTX));
|
|
regmap_write(regmap, SUNXI_DAUDIO_TXCNT, 0);
|
|
regmap_read(regmap, SUNXI_DAUDIO_FIFOSTA, ®_val);
|
|
reg_val = ((reg_val & 0xFF0000) >> 16);
|
|
if (reg_val == 0x80) {
|
|
break;
|
|
}
|
|
}
|
|
udelay(250);
|
|
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, (1 << CTL_TXEN), (0 << CTL_TXEN));
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, (1 << (SDO0_EN + dts->tx_pin)),
|
|
(0 << (SDO0_EN + dts->tx_pin)));
|
|
}
|
|
}
|
|
|
|
static void sunxi_daudio_dai_rx_route(struct sunxi_daudio *daudio, bool enable)
|
|
{
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
if (enable) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
(1 << CTL_RXEN), (1 << CTL_RXEN));
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_INTCTL,
|
|
(1 << RXDRQEN), (1 << RXDRQEN));
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_INTCTL,
|
|
(1 << RXDRQEN), (0 << RXDRQEN));
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
(1 << CTL_RXEN), (0 << CTL_RXEN));
|
|
}
|
|
}
|
|
|
|
static int sunxi_daudio_dai_trigger(struct snd_pcm_substream *substream,
|
|
int cmd, struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
sunxi_daudio_dai_tx_route(daudio, true);
|
|
} else {
|
|
sunxi_daudio_dai_rx_route(daudio, true);
|
|
if (dts->rx_sync_en && dts->rx_sync_ctl)
|
|
sunxi_rx_sync_control(dts->rx_sync_domain, dts->rx_sync_id, true);
|
|
}
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
sunxi_daudio_dai_tx_route(daudio, false);
|
|
} else {
|
|
sunxi_daudio_dai_rx_route(daudio, false);
|
|
if (dts->rx_sync_en && dts->rx_sync_ctl)
|
|
sunxi_rx_sync_control(dts->rx_sync_domain, dts->rx_sync_id, false);
|
|
}
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops sunxi_daudio_dai_ops = {
|
|
/* call by machine */
|
|
.set_pll = sunxi_daudio_dai_set_pll, // set pllclk
|
|
.set_sysclk = sunxi_daudio_dai_set_sysclk, // set mclk
|
|
.set_bclk_ratio = sunxi_daudio_dai_set_bclk_ratio, // set bclk freq
|
|
.set_fmt = sunxi_daudio_dai_set_fmt, // set tdm fmt
|
|
.set_tdm_slot = sunxi_daudio_dai_set_tdm_slot, // set slot num and width
|
|
/* call by asoc */
|
|
.startup = sunxi_daudio_dai_startup,
|
|
.hw_params = sunxi_daudio_dai_hw_params,
|
|
.prepare = sunxi_daudio_dai_prepare,
|
|
.trigger = sunxi_daudio_dai_trigger,
|
|
.shutdown = sunxi_daudio_dai_shutdown,
|
|
};
|
|
|
|
static int sunxi_daudio_init(struct sunxi_daudio *daudio)
|
|
{
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT1,
|
|
0x1 << TX_MLS, 0 << TX_MLS);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT1,
|
|
0x1 << RX_MLS, 0 << RX_MLS);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT1,
|
|
0x3 << SEXT, 0 << SEXT);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT1,
|
|
0x3 << TX_PDM, 0 << TX_PDM);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FMT1,
|
|
0x3 << RX_PDM, 0 << RX_PDM);
|
|
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX0CHMAP0, SUNXI_DEFAULT_TXCHMAP0);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX0CHMAP1, SUNXI_DEFAULT_TXCHMAP1);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX1CHMAP0, SUNXI_DEFAULT_TXCHMAP0);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX1CHMAP1, SUNXI_DEFAULT_TXCHMAP1);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX2CHMAP0, SUNXI_DEFAULT_TXCHMAP0);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX2CHMAP1, SUNXI_DEFAULT_TXCHMAP1);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX3CHMAP0, SUNXI_DEFAULT_TXCHMAP0);
|
|
regmap_write(regmap, SUNXI_DAUDIO_TX3CHMAP1, SUNXI_DEFAULT_TXCHMAP1);
|
|
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCHMAP0, SUNXI_DEFAULT_RXCHMAP0);
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCHMAP1, SUNXI_DEFAULT_RXCHMAP1);
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCHMAP2, SUNXI_DEFAULT_RXCHMAP2);
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCHMAP3, SUNXI_DEFAULT_RXCHMAP3);
|
|
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
0x1 << RX_SYNC_EN, 0x0 << RX_SYNC_EN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
0x1 << GLOBAL_EN, 1 << GLOBAL_EN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_probe(struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* pcm_new will using the dma_param about the cma and fifo params. */
|
|
snd_soc_dai_init_dma_data(dai, &daudio->playback_dma_param, &daudio->capture_dma_param);
|
|
|
|
sunxi_daudio_init(daudio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_suspend(struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct sunxi_daudio_clk *clk = &daudio->clk;
|
|
struct sunxi_daudio_regulator *rglt = &daudio->rglt;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* save reg value */
|
|
snd_sunxi_save_reg(regmap, g_reg_labels);
|
|
|
|
/* disable clk & regulator */
|
|
snd_sunxi_regulator_disable(daudio->pdev, rglt);
|
|
snd_sunxi_clk_disable(clk);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_resume(struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct sunxi_daudio_clk *clk = &daudio->clk;
|
|
struct sunxi_daudio_regulator *rglt = &daudio->rglt;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
int ret;
|
|
int i;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
ret = snd_sunxi_clk_enable(clk);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "clk enable failed\n");
|
|
return ret;
|
|
}
|
|
ret = snd_sunxi_regulator_enable(daudio->pdev, rglt);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "regulator enable failed\n");
|
|
return ret;
|
|
}
|
|
|
|
/* for daudio init */
|
|
sunxi_daudio_init(daudio);
|
|
|
|
/* resume reg value */
|
|
snd_sunxi_echo_reg(regmap, g_reg_labels);
|
|
|
|
/* for clear TX fifo */
|
|
for (i = 0 ; i < SUNXI_DAUDIO_FTX_TIMES ; i++) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
1 << FIFO_CTL_FTX, 1 << FIFO_CTL_FTX);
|
|
mdelay(1);
|
|
}
|
|
regmap_write(regmap, SUNXI_DAUDIO_TXCNT, 0);
|
|
|
|
/* for clear RX fifo */
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL,
|
|
1 << FIFO_CTL_FRX, 1 << FIFO_CTL_FRX);
|
|
regmap_write(regmap, SUNXI_DAUDIO_RXCNT, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_daudio_dai_remove(struct snd_soc_dai *dai)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_dai_get_drvdata(dai);
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
0x1 << GLOBAL_EN, 0x0 << GLOBAL_EN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_driver sunxi_daudio_dai = {
|
|
.probe = sunxi_daudio_dai_probe,
|
|
.suspend = sunxi_daudio_dai_suspend,
|
|
.resume = sunxi_daudio_dai_resume,
|
|
.remove = sunxi_daudio_dai_remove,
|
|
.playback = {
|
|
.stream_name = "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_S20_3LE
|
|
| SNDRV_PCM_FMTBIT_S24_LE
|
|
| SNDRV_PCM_FMTBIT_S32_LE,
|
|
},
|
|
.capture = {
|
|
.stream_name = "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_S20_3LE
|
|
| SNDRV_PCM_FMTBIT_S24_LE
|
|
| SNDRV_PCM_FMTBIT_S32_LE,
|
|
},
|
|
.ops = &sunxi_daudio_dai_ops,
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* *** sound card & component function source ***
|
|
* @0 sound card probe
|
|
* @1 component function kcontrol register
|
|
******************************************************************************/
|
|
static void sunxi_rx_sync_enable(void *data, bool enable)
|
|
{
|
|
struct sunxi_daudio *daudio = data;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
SND_LOG_DEBUG(HLOG, "%s\n", enable ? "on" : "off");
|
|
|
|
if (enable) {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
0x1 << RX_SYNC_EN_START, 0x1 << RX_SYNC_EN_START);
|
|
} else {
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL,
|
|
0x1 << RX_SYNC_EN_START, 0x0 << RX_SYNC_EN_START);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int sunxi_get_tx_hub_mode(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
|
|
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
|
|
struct sunxi_daudio *daudio = snd_soc_codec_get_drvdata(codec);
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
unsigned int reg_val;
|
|
|
|
regmap_read(regmap, SUNXI_DAUDIO_FIFOCTL, ®_val);
|
|
ucontrol->value.integer.value[0] = ((reg_val & (0x1 << HUB_EN)) ? 1 : 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_set_tx_hub_mode(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
|
|
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
|
|
struct sunxi_daudio *daudio = snd_soc_codec_get_drvdata(codec);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
switch (ucontrol->value.integer.value[0]) {
|
|
case 0:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 1 << CTL_TXEN, 0 << CTL_TXEN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 1 << (SDO0_EN + dts->tx_pin),
|
|
0 << (SDO0_EN + dts->tx_pin));
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL, 1 << HUB_EN, 0 << HUB_EN);
|
|
break;
|
|
case 1:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_FIFOCTL, 1 << HUB_EN, 1 << HUB_EN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 1 << CTL_TXEN, 1 << CTL_TXEN);
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 1 << (SDO0_EN + dts->tx_pin),
|
|
1 << (SDO0_EN + dts->tx_pin));
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_get_rx_sync_mode(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
|
|
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
|
|
struct sunxi_daudio *daudio = snd_soc_codec_get_drvdata(codec);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
|
|
ucontrol->value.integer.value[0] = dts->rx_sync_ctl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sunxi_set_rx_sync_mode(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
|
|
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
|
|
struct sunxi_daudio *daudio = snd_soc_codec_get_drvdata(codec);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
struct regmap *regmap = daudio->mem.regmap;
|
|
|
|
switch (ucontrol->value.integer.value[0]) {
|
|
case 0:
|
|
dts->rx_sync_ctl = 0;
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 0x1 << RX_SYNC_EN, 0x0 << RX_SYNC_EN);
|
|
break;
|
|
case 1:
|
|
regmap_update_bits(regmap, SUNXI_DAUDIO_CTL, 0x1 << RX_SYNC_EN, 0x1 << RX_SYNC_EN);
|
|
dts->rx_sync_ctl = 1;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const char *sunxi_switch_text[] = {"Off", "On"};
|
|
|
|
static SOC_ENUM_SINGLE_EXT_DECL(sunxi_tx_hub_mode_enum, sunxi_switch_text);
|
|
static SOC_ENUM_SINGLE_EXT_DECL(sunxi_rx_sync_mode_enum, sunxi_switch_text);
|
|
static const struct snd_kcontrol_new sunxi_tx_hub_controls[] = {
|
|
SOC_ENUM_EXT("tx hub mode", sunxi_tx_hub_mode_enum,
|
|
sunxi_get_tx_hub_mode, sunxi_set_tx_hub_mode),
|
|
};
|
|
static const struct snd_kcontrol_new sunxi_rx_sync_controls[] = {
|
|
SOC_ENUM_EXT("rx sync mode", sunxi_rx_sync_mode_enum,
|
|
sunxi_get_rx_sync_mode, sunxi_set_rx_sync_mode),
|
|
};
|
|
static const struct snd_kcontrol_new sunxi_daudio_controls[] = {
|
|
SOC_SINGLE("loopback debug", SUNXI_DAUDIO_CTL, LOOP_EN, 1, 0),
|
|
};
|
|
|
|
static int sunxi_daudio_probe(struct snd_soc_component *component)
|
|
{
|
|
struct sunxi_daudio *daudio = snd_soc_component_get_drvdata(component);
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
int ret;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* component kcontrols -> tx_hub */
|
|
if (dts->tx_hub_en) {
|
|
ret = snd_soc_add_component_controls(component, sunxi_tx_hub_controls,
|
|
ARRAY_SIZE(sunxi_tx_hub_controls));
|
|
if (ret)
|
|
SND_LOG_ERR(HLOG, "add tx_hub kcontrols failed\n");
|
|
}
|
|
|
|
/* component kcontrols -> rx_sync */
|
|
if (dts->rx_sync_en) {
|
|
ret = snd_soc_add_component_controls(component, sunxi_rx_sync_controls,
|
|
ARRAY_SIZE(sunxi_rx_sync_controls));
|
|
if (ret)
|
|
SND_LOG_ERR(HLOG, "add rx_sync kcontrols failed\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_component_driver sunxi_daudio_dev = {
|
|
.name = DRV_NAME,
|
|
.probe = sunxi_daudio_probe,
|
|
.controls = sunxi_daudio_controls,
|
|
.num_controls = ARRAY_SIZE(sunxi_daudio_controls),
|
|
};
|
|
|
|
/*******************************************************************************
|
|
* *** kernel source ***
|
|
* @0 reg debug
|
|
* @1 regmap
|
|
* @2 clk
|
|
* @3 regulator
|
|
* @4 dts params
|
|
******************************************************************************/
|
|
static int snd_sunxi_save_reg(struct regmap *regmap,
|
|
struct reg_label *reg_labels)
|
|
{
|
|
int i = 0;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
while (reg_labels[i].name != NULL) {
|
|
regmap_read(regmap,
|
|
reg_labels[i].address, &(reg_labels[i].value));
|
|
i++;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
static int snd_sunxi_echo_reg(struct regmap *regmap,
|
|
struct reg_label *reg_labels)
|
|
{
|
|
int i = 0;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
while (reg_labels[i].name != NULL) {
|
|
regmap_write(regmap,
|
|
reg_labels[i].address, reg_labels[i].value);
|
|
i++;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
static int snd_sunxi_mem_init(struct platform_device *pdev, struct sunxi_daudio_mem *mem)
|
|
{
|
|
int ret = 0;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
ret = of_address_to_resource(np, 0, &mem->res);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "parse device node resource failed\n");
|
|
ret = -EINVAL;
|
|
goto err_of_addr_to_resource;
|
|
}
|
|
|
|
mem->memregion = devm_request_mem_region(&pdev->dev, mem->res.start,
|
|
resource_size(&mem->res), DRV_NAME);
|
|
if (IS_ERR_OR_NULL(mem->memregion)) {
|
|
SND_LOG_ERR(HLOG, "memory region already claimed\n");
|
|
ret = -EBUSY;
|
|
goto err_devm_request_region;
|
|
}
|
|
|
|
mem->membase = devm_ioremap(&pdev->dev, mem->memregion->start,
|
|
resource_size(mem->memregion));
|
|
if (IS_ERR_OR_NULL(mem->membase)) {
|
|
SND_LOG_ERR(HLOG, "ioremap failed\n");
|
|
ret = -EBUSY;
|
|
goto err_devm_ioremap;
|
|
}
|
|
|
|
mem->regmap = devm_regmap_init_mmio(&pdev->dev, mem->membase, &g_regmap_config);
|
|
if (IS_ERR_OR_NULL(mem->regmap)) {
|
|
SND_LOG_ERR(HLOG, "regmap init failed\n");
|
|
ret = -EINVAL;
|
|
goto err_devm_regmap_init;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_devm_regmap_init:
|
|
devm_iounmap(&pdev->dev, mem->membase);
|
|
err_devm_ioremap:
|
|
devm_release_mem_region(&pdev->dev, mem->memregion->start, resource_size(mem->memregion));
|
|
err_devm_request_region:
|
|
err_of_addr_to_resource:
|
|
return ret;
|
|
}
|
|
|
|
static void snd_sunxi_mem_exit(struct platform_device *pdev, struct sunxi_daudio_mem *mem)
|
|
{
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
devm_iounmap(&pdev->dev, mem->membase);
|
|
devm_release_mem_region(&pdev->dev, mem->memregion->start, resource_size(mem->memregion));
|
|
}
|
|
|
|
static int snd_sunxi_regulator_init(struct platform_device *pdev,
|
|
struct sunxi_daudio_regulator *rglt)
|
|
{
|
|
int ret = 0;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
rglt->regulator_name = NULL;
|
|
ret = of_property_read_string(np, "daudio-regulator", &rglt->regulator_name);
|
|
if (ret < 0) {
|
|
SND_LOG_WARN(HLOG, "regulator missing or invalid\n");
|
|
rglt->daudio_regulator = NULL;
|
|
return 0;
|
|
}
|
|
|
|
rglt->daudio_regulator = regulator_get(NULL, rglt->regulator_name);
|
|
if (IS_ERR_OR_NULL(rglt->daudio_regulator)) {
|
|
SND_LOG_ERR(HLOG, "get duaido vcc-pin failed\n");
|
|
ret = -EFAULT;
|
|
goto err_regulator_get;
|
|
}
|
|
ret = regulator_set_voltage(rglt->daudio_regulator,
|
|
3300000, 3300000);
|
|
if (ret < 0) {
|
|
SND_LOG_ERR(HLOG, "set duaido voltage failed\n");
|
|
ret = -EFAULT;
|
|
goto err_regulator_set_vol;
|
|
}
|
|
ret = regulator_enable(rglt->daudio_regulator);
|
|
if (ret < 0) {
|
|
SND_LOG_ERR(HLOG, "enable duaido vcc-pin failed\n");
|
|
ret = -EFAULT;
|
|
goto err_regulator_enable;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_regulator_enable:
|
|
err_regulator_set_vol:
|
|
if (rglt->daudio_regulator)
|
|
regulator_put(rglt->daudio_regulator);
|
|
err_regulator_get:
|
|
return ret;
|
|
}
|
|
|
|
static void snd_sunxi_regulator_exit(struct platform_device *pdev,
|
|
struct sunxi_daudio_regulator *rglt)
|
|
{
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (rglt->daudio_regulator)
|
|
if (!IS_ERR_OR_NULL(rglt->daudio_regulator)) {
|
|
regulator_disable(rglt->daudio_regulator);
|
|
regulator_put(rglt->daudio_regulator);
|
|
}
|
|
}
|
|
|
|
static int snd_sunxi_regulator_enable(struct platform_device *pdev,
|
|
struct sunxi_daudio_regulator *rglt)
|
|
{
|
|
int ret;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (rglt->daudio_regulator)
|
|
if (!IS_ERR_OR_NULL(rglt->daudio_regulator)) {
|
|
ret = regulator_enable(rglt->daudio_regulator);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "enable daudio_regulator failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void snd_sunxi_regulator_disable(struct platform_device *pdev,
|
|
struct sunxi_daudio_regulator *rglt)
|
|
{
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (rglt->daudio_regulator)
|
|
if (!IS_ERR_OR_NULL(rglt->daudio_regulator)) {
|
|
regulator_disable(rglt->daudio_regulator);
|
|
}
|
|
}
|
|
|
|
static void snd_sunxi_dts_params_init(struct platform_device *pdev, struct sunxi_daudio_dts *dts)
|
|
{
|
|
int ret = 0;
|
|
unsigned int temp_val;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* get dma params */
|
|
ret = of_property_read_u32(np, "playback-cma", &temp_val);
|
|
if (ret < 0) {
|
|
dts->playback_cma = SUNXI_AUDIO_CMA_MAX_KBYTES;
|
|
SND_LOG_WARN(HLOG, "playback-cma missing, using default value\n");
|
|
} else {
|
|
if (temp_val > SUNXI_AUDIO_CMA_MAX_KBYTES)
|
|
temp_val = SUNXI_AUDIO_CMA_MAX_KBYTES;
|
|
else if (temp_val < SUNXI_AUDIO_CMA_MIN_KBYTES)
|
|
temp_val = SUNXI_AUDIO_CMA_MIN_KBYTES;
|
|
|
|
dts->playback_cma = temp_val;
|
|
}
|
|
ret = of_property_read_u32(np, "capture-cma", &temp_val);
|
|
if (ret != 0) {
|
|
dts->capture_cma = SUNXI_AUDIO_CMA_MAX_KBYTES;
|
|
SND_LOG_WARN(HLOG, "capture-cma missing, using default value\n");
|
|
} else {
|
|
if (temp_val > SUNXI_AUDIO_CMA_MAX_KBYTES)
|
|
temp_val = SUNXI_AUDIO_CMA_MAX_KBYTES;
|
|
else if (temp_val < SUNXI_AUDIO_CMA_MIN_KBYTES)
|
|
temp_val = SUNXI_AUDIO_CMA_MIN_KBYTES;
|
|
|
|
dts->capture_cma = temp_val;
|
|
}
|
|
ret = of_property_read_u32(np, "tx-fifo-size", &temp_val);
|
|
if (ret != 0) {
|
|
dts->playback_fifo_size = SUNXI_AUDIO_FIFO_SIZE;
|
|
SND_LOG_WARN(HLOG, "tx-fifo-size miss, using default value\n");
|
|
} else {
|
|
dts->playback_fifo_size = temp_val;
|
|
}
|
|
ret = of_property_read_u32(np, "rx-fifo-size", &temp_val);
|
|
if (ret != 0) {
|
|
dts->capture_fifo_size = SUNXI_AUDIO_FIFO_SIZE;
|
|
SND_LOG_WARN(HLOG, "rx-fifo-size miss,using default value\n");
|
|
} else {
|
|
dts->capture_fifo_size = temp_val;
|
|
}
|
|
|
|
ret = of_property_read_u32(np, "tdm-num", &temp_val);
|
|
if (ret < 0) {
|
|
SND_LOG_WARN(HLOG, "tdm-num config missing\n");
|
|
dts->tdm_num = 0;
|
|
} else {
|
|
dts->tdm_num = temp_val;
|
|
}
|
|
ret = of_property_read_u32(np, "tx-pin", &temp_val);
|
|
if (ret < 0) {
|
|
SND_LOG_WARN(HLOG, "tx-pin config missing\n");
|
|
dts->tx_pin = 0;
|
|
} else {
|
|
if (temp_val > 3) { /* I2S_DOUTn (n = 0~3) */
|
|
dts->tx_pin = 0;
|
|
SND_LOG_WARN(HLOG, "tx-pin config invalid\n");
|
|
} else {
|
|
dts->tx_pin = temp_val;
|
|
}
|
|
}
|
|
ret = of_property_read_u32(np, "rx-pin", &temp_val);
|
|
if (ret < 0) {
|
|
SND_LOG_WARN(HLOG, "rx-pin config missing\n");
|
|
dts->rx_pin = 0;
|
|
} else {
|
|
if (temp_val > 3) { /* I2S_DINTn (n = 0~3) */
|
|
dts->rx_pin = 0;
|
|
SND_LOG_WARN(HLOG, "rx-pin config invalid\n");
|
|
} else {
|
|
dts->rx_pin = temp_val;
|
|
}
|
|
}
|
|
|
|
SND_LOG_DEBUG(HLOG, "playback-cma : %u\n", dts->playback_cma);
|
|
SND_LOG_DEBUG(HLOG, "capture-cma : %u\n", dts->capture_cma);
|
|
SND_LOG_DEBUG(HLOG, "tx-fifo-size : %u\n", dts->playback_fifo_size);
|
|
SND_LOG_DEBUG(HLOG, "rx-fifo-size : %u\n", dts->capture_fifo_size);
|
|
SND_LOG_DEBUG(HLOG, "tx-pin : %u\n", dts->tx_pin);
|
|
SND_LOG_DEBUG(HLOG, "rx-pin : %u\n", dts->rx_pin);
|
|
|
|
/* tx_hub */
|
|
dts->tx_hub_en = of_property_read_bool(np, "tx-hub-en");
|
|
|
|
/* components func -> rx_sync */
|
|
dts->rx_sync_en = of_property_read_bool(np, "rx-sync-en");
|
|
if (dts->rx_sync_en) {
|
|
dts->rx_sync_ctl = false;
|
|
dts->rx_sync_domain = RX_SYNC_SYS_DOMAIN;
|
|
dts->rx_sync_id = sunxi_rx_sync_probe(dts->rx_sync_domain);
|
|
if (dts->rx_sync_id < 0) {
|
|
SND_LOG_ERR(HLOG, "sunxi_rx_sync_probe failed\n");
|
|
} else {
|
|
SND_LOG_DEBUG(HLOG, "sunxi_rx_sync_probe successful. domain=%d, id=%d\n",
|
|
dts->rx_sync_domain, dts->rx_sync_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int snd_sunxi_pin_init(struct platform_device *pdev, struct sunxi_daudio_pinctl *pin)
|
|
{
|
|
int ret = 0;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
if (of_property_read_bool(np, "pinctrl-used")) {
|
|
pin->pinctrl_used = 1;
|
|
} else {
|
|
pin->pinctrl_used = 0;
|
|
SND_LOG_DEBUG(HLOG, "unused pinctrl\n");
|
|
return 0;
|
|
}
|
|
|
|
pin->pinctrl = devm_pinctrl_get(&pdev->dev);
|
|
if (IS_ERR_OR_NULL(pin->pinctrl)) {
|
|
SND_LOG_ERR(HLOG, "pinctrl get failed\n");
|
|
ret = -EINVAL;
|
|
return ret;
|
|
}
|
|
pin->pinstate = pinctrl_lookup_state(pin->pinctrl, PINCTRL_STATE_DEFAULT);
|
|
if (IS_ERR_OR_NULL(pin->pinstate)) {
|
|
SND_LOG_ERR(HLOG, "pinctrl default state get fail\n");
|
|
ret = -EINVAL;
|
|
goto err_loopup_pinstate;
|
|
}
|
|
pin->pinstate_sleep = pinctrl_lookup_state(pin->pinctrl, PINCTRL_STATE_SLEEP);
|
|
if (IS_ERR_OR_NULL(pin->pinstate_sleep)) {
|
|
SND_LOG_ERR(HLOG, "pinctrl sleep state get failed\n");
|
|
ret = -EINVAL;
|
|
goto err_loopup_pin_sleep;
|
|
}
|
|
ret = pinctrl_select_state(pin->pinctrl, pin->pinstate);
|
|
if (ret < 0) {
|
|
SND_LOG_ERR(HLOG, "daudio set pinctrl default state fail\n");
|
|
ret = -EBUSY;
|
|
goto err_pinctrl_select_default;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_pinctrl_select_default:
|
|
err_loopup_pin_sleep:
|
|
err_loopup_pinstate:
|
|
devm_pinctrl_put(pin->pinctrl);
|
|
return ret;
|
|
}
|
|
|
|
static void snd_sunxi_dma_params_init(struct sunxi_daudio *daudio)
|
|
{
|
|
struct resource *res = &daudio->mem.res;
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
daudio->playback_dma_param.src_maxburst = 4;
|
|
daudio->playback_dma_param.dst_maxburst = 4;
|
|
daudio->playback_dma_param.dma_addr = res->start + SUNXI_DAUDIO_TXFIFO;
|
|
daudio->playback_dma_param.cma_kbytes = dts->playback_cma;
|
|
daudio->playback_dma_param.fifo_size = dts->playback_fifo_size;
|
|
|
|
daudio->capture_dma_param.src_maxburst = 4;
|
|
daudio->capture_dma_param.dst_maxburst = 4;
|
|
daudio->capture_dma_param.dma_addr = res->start + SUNXI_DAUDIO_RXFIFO;
|
|
daudio->capture_dma_param.cma_kbytes = dts->capture_cma;
|
|
daudio->capture_dma_param.fifo_size = dts->capture_fifo_size;
|
|
|
|
switch (dts->tdm_num) {
|
|
case 0:
|
|
SUNXI_DAUDIO_DRQDST(daudio, 0);
|
|
SUNXI_DAUDIO_DRQSRC(daudio, 0);
|
|
break;
|
|
case 1:
|
|
SUNXI_DAUDIO_DRQDST(daudio, 1);
|
|
SUNXI_DAUDIO_DRQSRC(daudio, 1);
|
|
break;
|
|
case 2:
|
|
SUNXI_DAUDIO_DRQDST(daudio, 2);
|
|
SUNXI_DAUDIO_DRQSRC(daudio, 2);
|
|
break;
|
|
case 3:
|
|
SUNXI_DAUDIO_DRQDST(daudio, 3);
|
|
SUNXI_DAUDIO_DRQSRC(daudio, 3);
|
|
break;
|
|
default:
|
|
SND_LOG_ERR(HLOG, "unsupport tmd num\n");
|
|
break;
|
|
}
|
|
};
|
|
|
|
static int sunxi_daudio_dev_probe(struct platform_device *pdev)
|
|
{
|
|
int ret;
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
struct sunxi_daudio *daudio;
|
|
struct sunxi_daudio_mem *mem;
|
|
struct sunxi_daudio_clk *clk;
|
|
struct sunxi_daudio_pinctl *pin;
|
|
struct sunxi_daudio_dts *dts;
|
|
struct sunxi_daudio_regulator *rglt;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* sunxi daudio info */
|
|
daudio = devm_kzalloc(dev, sizeof(struct sunxi_daudio), GFP_KERNEL);
|
|
if (IS_ERR_OR_NULL(daudio)) {
|
|
SND_LOG_ERR(HLOG, "alloc sunxi_daudio failed\n");
|
|
ret = -ENOMEM;
|
|
goto err_devm_kzalloc;
|
|
}
|
|
dev_set_drvdata(dev, daudio);
|
|
daudio->pdev = pdev;
|
|
mem = &daudio->mem;
|
|
clk = &daudio->clk;
|
|
pin = &daudio->pin;
|
|
dts = &daudio->dts;
|
|
rglt = &daudio->rglt;
|
|
|
|
ret = snd_sunxi_mem_init(pdev, mem);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "remap init failed\n");
|
|
ret = -EINVAL;
|
|
goto err_snd_sunxi_mem_init;
|
|
}
|
|
ret = snd_sunxi_clk_init(pdev, clk);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "clk init failed\n");
|
|
ret = -EINVAL;
|
|
goto err_snd_sunxi_clk_init;
|
|
}
|
|
ret = snd_sunxi_regulator_init(pdev, rglt);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "regulator init failed\n");
|
|
ret = -ENOMEM;
|
|
goto err_snd_sunxi_regulator_init;
|
|
}
|
|
|
|
snd_sunxi_dts_params_init(pdev, dts);
|
|
|
|
ret = snd_sunxi_pin_init(pdev, pin);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "pinctrl init failed\n");
|
|
ret = -EINVAL;
|
|
goto err_snd_sunxi_pin_init;
|
|
}
|
|
|
|
snd_sunxi_dma_params_init(daudio);
|
|
|
|
ret = snd_soc_register_component(&pdev->dev,
|
|
&sunxi_daudio_dev,
|
|
&sunxi_daudio_dai, 1);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "component register failed\n");
|
|
ret = -ENOMEM;
|
|
goto err_snd_soc_register_component;
|
|
}
|
|
|
|
ret = snd_sunxi_dma_platform_register(&pdev->dev);
|
|
if (ret) {
|
|
SND_LOG_ERR(HLOG, "register ASoC platform failed\n");
|
|
ret = -ENOMEM;
|
|
goto err_snd_sunxi_dma_platform_register;
|
|
}
|
|
|
|
SND_LOG_DEBUG(HLOG, "register daudio platform success\n");
|
|
|
|
return 0;
|
|
|
|
err_snd_sunxi_dma_platform_register:
|
|
snd_soc_unregister_component(&pdev->dev);
|
|
err_snd_soc_register_component:
|
|
err_snd_sunxi_pin_init:
|
|
snd_sunxi_regulator_exit(pdev, rglt);
|
|
err_snd_sunxi_regulator_init:
|
|
snd_sunxi_clk_exit(clk);
|
|
err_snd_sunxi_clk_init:
|
|
snd_sunxi_mem_exit(pdev, mem);
|
|
err_snd_sunxi_mem_init:
|
|
devm_kfree(dev, daudio);
|
|
err_devm_kzalloc:
|
|
of_node_put(np);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int sunxi_daudio_dev_remove(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
struct sunxi_daudio *daudio = dev_get_drvdata(&pdev->dev);
|
|
struct sunxi_daudio_mem *mem = &daudio->mem;
|
|
struct sunxi_daudio_clk *clk = &daudio->clk;
|
|
struct sunxi_daudio_pinctl *pin = &daudio->pin;
|
|
struct sunxi_daudio_dts *dts = &daudio->dts;
|
|
struct sunxi_daudio_regulator *rglt = &daudio->rglt;
|
|
|
|
SND_LOG_DEBUG(HLOG, "\n");
|
|
|
|
/* remove components */
|
|
if (dts->rx_sync_en)
|
|
sunxi_rx_sync_remove(dts->rx_sync_domain);
|
|
|
|
snd_sunxi_dma_platform_unregister(&pdev->dev);
|
|
snd_soc_unregister_component(&pdev->dev);
|
|
|
|
snd_sunxi_clk_exit(clk);
|
|
snd_sunxi_mem_exit(pdev, mem);
|
|
snd_sunxi_regulator_exit(pdev, rglt);
|
|
if (pin->pinctrl_used) {
|
|
devm_pinctrl_put(pin->pinctrl);
|
|
}
|
|
|
|
devm_kfree(dev, daudio);
|
|
of_node_put(np);
|
|
|
|
SND_LOG_DEBUG(HLOG, "unregister daudio platform success\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id sunxi_daudio_of_match[] = {
|
|
{ .compatible = "allwinner," DRV_NAME, },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sunxi_daudio_of_match);
|
|
|
|
static struct platform_driver sunxi_daudio_driver = {
|
|
.driver = {
|
|
.name = DRV_NAME,
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = sunxi_daudio_of_match,
|
|
},
|
|
.probe = sunxi_daudio_dev_probe,
|
|
.remove = sunxi_daudio_dev_remove,
|
|
};
|
|
|
|
module_platform_driver(sunxi_daudio_driver);
|
|
|
|
MODULE_AUTHOR("Dby@allwinnertech.com");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("sunxi soundcard platform of daudio");
|