873 lines
26 KiB
C
873 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// tegra210_admaif.c - Tegra ADMAIF driver
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//
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// Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include "tegra210_admaif.h"
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#include "tegra_cif.h"
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#include "tegra_pcm.h"
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#define CH_REG(offset, reg, id) \
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((offset) + (reg) + (TEGRA_ADMAIF_CHANNEL_REG_STRIDE * (id)))
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#define CH_TX_REG(reg, id) CH_REG(admaif->soc_data->tx_base, reg, id)
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#define CH_RX_REG(reg, id) CH_REG(admaif->soc_data->rx_base, reg, id)
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#define REG_DEFAULTS(id, rx_ctrl, tx_ctrl, tx_base, rx_base) \
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{ CH_REG(rx_base, TEGRA_ADMAIF_RX_INT_MASK, id), 0x00000001 }, \
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{ CH_REG(rx_base, TEGRA_ADMAIF_CH_ACIF_RX_CTRL, id), 0x00007700 }, \
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{ CH_REG(rx_base, TEGRA_ADMAIF_RX_FIFO_CTRL, id), rx_ctrl }, \
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{ CH_REG(tx_base, TEGRA_ADMAIF_TX_INT_MASK, id), 0x00000001 }, \
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{ CH_REG(tx_base, TEGRA_ADMAIF_CH_ACIF_TX_CTRL, id), 0x00007700 }, \
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{ CH_REG(tx_base, TEGRA_ADMAIF_TX_FIFO_CTRL, id), tx_ctrl }
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#define ADMAIF_REG_DEFAULTS(id, chip) \
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REG_DEFAULTS((id) - 1, \
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chip ## _ADMAIF_RX ## id ## _FIFO_CTRL_REG_DEFAULT, \
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chip ## _ADMAIF_TX ## id ## _FIFO_CTRL_REG_DEFAULT, \
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chip ## _ADMAIF_TX_BASE, \
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chip ## _ADMAIF_RX_BASE)
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static const struct reg_default tegra186_admaif_reg_defaults[] = {
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{(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA186_ADMAIF_GLOBAL_BASE), 0x00000003},
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ADMAIF_REG_DEFAULTS(1, TEGRA186),
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ADMAIF_REG_DEFAULTS(2, TEGRA186),
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ADMAIF_REG_DEFAULTS(3, TEGRA186),
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ADMAIF_REG_DEFAULTS(4, TEGRA186),
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ADMAIF_REG_DEFAULTS(5, TEGRA186),
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ADMAIF_REG_DEFAULTS(6, TEGRA186),
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ADMAIF_REG_DEFAULTS(7, TEGRA186),
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ADMAIF_REG_DEFAULTS(8, TEGRA186),
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ADMAIF_REG_DEFAULTS(9, TEGRA186),
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ADMAIF_REG_DEFAULTS(10, TEGRA186),
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ADMAIF_REG_DEFAULTS(11, TEGRA186),
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ADMAIF_REG_DEFAULTS(12, TEGRA186),
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ADMAIF_REG_DEFAULTS(13, TEGRA186),
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ADMAIF_REG_DEFAULTS(14, TEGRA186),
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ADMAIF_REG_DEFAULTS(15, TEGRA186),
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ADMAIF_REG_DEFAULTS(16, TEGRA186),
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ADMAIF_REG_DEFAULTS(17, TEGRA186),
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ADMAIF_REG_DEFAULTS(18, TEGRA186),
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ADMAIF_REG_DEFAULTS(19, TEGRA186),
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ADMAIF_REG_DEFAULTS(20, TEGRA186)
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};
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static const struct reg_default tegra210_admaif_reg_defaults[] = {
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{(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA210_ADMAIF_GLOBAL_BASE), 0x00000003},
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ADMAIF_REG_DEFAULTS(1, TEGRA210),
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ADMAIF_REG_DEFAULTS(2, TEGRA210),
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ADMAIF_REG_DEFAULTS(3, TEGRA210),
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ADMAIF_REG_DEFAULTS(4, TEGRA210),
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ADMAIF_REG_DEFAULTS(5, TEGRA210),
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ADMAIF_REG_DEFAULTS(6, TEGRA210),
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ADMAIF_REG_DEFAULTS(7, TEGRA210),
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ADMAIF_REG_DEFAULTS(8, TEGRA210),
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ADMAIF_REG_DEFAULTS(9, TEGRA210),
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ADMAIF_REG_DEFAULTS(10, TEGRA210)
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};
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static bool tegra_admaif_wr_reg(struct device *dev, unsigned int reg)
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{
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struct tegra_admaif *admaif = dev_get_drvdata(dev);
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unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
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unsigned int num_ch = admaif->soc_data->num_ch;
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unsigned int rx_base = admaif->soc_data->rx_base;
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unsigned int tx_base = admaif->soc_data->tx_base;
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unsigned int global_base = admaif->soc_data->global_base;
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unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
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unsigned int rx_max = rx_base + (num_ch * ch_stride);
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unsigned int tx_max = tx_base + (num_ch * ch_stride);
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if ((reg >= rx_base) && (reg < rx_max)) {
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reg = (reg - rx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
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(reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
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(reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
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(reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
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return true;
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} else if ((reg >= tx_base) && (reg < tx_max)) {
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reg = (reg - tx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
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(reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
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(reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
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(reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
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return true;
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} else if ((reg >= global_base) && (reg < reg_max)) {
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if (reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE))
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return true;
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}
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return false;
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}
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static bool tegra_admaif_rd_reg(struct device *dev, unsigned int reg)
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{
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struct tegra_admaif *admaif = dev_get_drvdata(dev);
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unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
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unsigned int num_ch = admaif->soc_data->num_ch;
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unsigned int rx_base = admaif->soc_data->rx_base;
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unsigned int tx_base = admaif->soc_data->tx_base;
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unsigned int global_base = admaif->soc_data->global_base;
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unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
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unsigned int rx_max = rx_base + (num_ch * ch_stride);
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unsigned int tx_max = tx_base + (num_ch * ch_stride);
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if ((reg >= rx_base) && (reg < rx_max)) {
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reg = (reg - rx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
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(reg == TEGRA_ADMAIF_RX_STATUS) ||
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(reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
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(reg == TEGRA_ADMAIF_RX_FIFO_CTRL) ||
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(reg == TEGRA_ADMAIF_RX_SOFT_RESET) ||
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(reg == TEGRA_ADMAIF_CH_ACIF_RX_CTRL))
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return true;
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} else if ((reg >= tx_base) && (reg < tx_max)) {
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reg = (reg - tx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
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(reg == TEGRA_ADMAIF_TX_STATUS) ||
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(reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
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(reg == TEGRA_ADMAIF_TX_FIFO_CTRL) ||
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(reg == TEGRA_ADMAIF_TX_SOFT_RESET) ||
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(reg == TEGRA_ADMAIF_CH_ACIF_TX_CTRL))
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return true;
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} else if ((reg >= global_base) && (reg < reg_max)) {
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if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_ENABLE)) ||
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(reg == (global_base + TEGRA_ADMAIF_GLOBAL_CG_0)) ||
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(reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
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(reg == (global_base +
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TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
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(reg == (global_base +
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TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
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return true;
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}
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return false;
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}
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static bool tegra_admaif_volatile_reg(struct device *dev, unsigned int reg)
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{
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struct tegra_admaif *admaif = dev_get_drvdata(dev);
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unsigned int ch_stride = TEGRA_ADMAIF_CHANNEL_REG_STRIDE;
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unsigned int num_ch = admaif->soc_data->num_ch;
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unsigned int rx_base = admaif->soc_data->rx_base;
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unsigned int tx_base = admaif->soc_data->tx_base;
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unsigned int global_base = admaif->soc_data->global_base;
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unsigned int reg_max = admaif->soc_data->regmap_conf->max_register;
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unsigned int rx_max = rx_base + (num_ch * ch_stride);
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unsigned int tx_max = tx_base + (num_ch * ch_stride);
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if ((reg >= rx_base) && (reg < rx_max)) {
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reg = (reg - rx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_RX_ENABLE) ||
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(reg == TEGRA_ADMAIF_RX_STATUS) ||
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(reg == TEGRA_ADMAIF_RX_INT_STATUS) ||
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(reg == TEGRA_ADMAIF_RX_SOFT_RESET))
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return true;
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} else if ((reg >= tx_base) && (reg < tx_max)) {
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reg = (reg - tx_base) % ch_stride;
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if ((reg == TEGRA_ADMAIF_TX_ENABLE) ||
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(reg == TEGRA_ADMAIF_TX_STATUS) ||
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(reg == TEGRA_ADMAIF_TX_INT_STATUS) ||
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(reg == TEGRA_ADMAIF_TX_SOFT_RESET))
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return true;
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} else if ((reg >= global_base) && (reg < reg_max)) {
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if ((reg == (global_base + TEGRA_ADMAIF_GLOBAL_STATUS)) ||
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(reg == (global_base +
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TEGRA_ADMAIF_GLOBAL_RX_ENABLE_STATUS)) ||
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(reg == (global_base +
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TEGRA_ADMAIF_GLOBAL_TX_ENABLE_STATUS)))
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return true;
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}
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return false;
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}
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static const struct regmap_config tegra210_admaif_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 = TEGRA210_ADMAIF_LAST_REG,
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.writeable_reg = tegra_admaif_wr_reg,
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.readable_reg = tegra_admaif_rd_reg,
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.volatile_reg = tegra_admaif_volatile_reg,
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.reg_defaults = tegra210_admaif_reg_defaults,
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.num_reg_defaults = TEGRA210_ADMAIF_CHANNEL_COUNT * 6 + 1,
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.cache_type = REGCACHE_FLAT,
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};
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static const struct regmap_config tegra186_admaif_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 = TEGRA186_ADMAIF_LAST_REG,
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.writeable_reg = tegra_admaif_wr_reg,
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.readable_reg = tegra_admaif_rd_reg,
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.volatile_reg = tegra_admaif_volatile_reg,
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.reg_defaults = tegra186_admaif_reg_defaults,
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.num_reg_defaults = TEGRA186_ADMAIF_CHANNEL_COUNT * 6 + 1,
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.cache_type = REGCACHE_FLAT,
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};
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static int __maybe_unused tegra_admaif_runtime_suspend(struct device *dev)
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{
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struct tegra_admaif *admaif = dev_get_drvdata(dev);
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regcache_cache_only(admaif->regmap, true);
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regcache_mark_dirty(admaif->regmap);
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return 0;
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}
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static int __maybe_unused tegra_admaif_runtime_resume(struct device *dev)
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{
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struct tegra_admaif *admaif = dev_get_drvdata(dev);
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regcache_cache_only(admaif->regmap, false);
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regcache_sync(admaif->regmap);
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return 0;
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}
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static int tegra_admaif_set_pack_mode(struct regmap *map, unsigned int reg,
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int valid_bit)
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{
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switch (valid_bit) {
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case DATA_8BIT:
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regmap_update_bits(map, reg, PACK8_EN_MASK, PACK8_EN);
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regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
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break;
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case DATA_16BIT:
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regmap_update_bits(map, reg, PACK16_EN_MASK, PACK16_EN);
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regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
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break;
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case DATA_32BIT:
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regmap_update_bits(map, reg, PACK16_EN_MASK, 0);
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regmap_update_bits(map, reg, PACK8_EN_MASK, 0);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int tegra_admaif_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct device *dev = dai->dev;
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struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
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struct tegra_cif_conf cif_conf;
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unsigned int reg, path;
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int valid_bit, channels;
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memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
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switch (params_format(params)) {
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case SNDRV_PCM_FORMAT_S8:
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cif_conf.audio_bits = TEGRA_ACIF_BITS_8;
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cif_conf.client_bits = TEGRA_ACIF_BITS_8;
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valid_bit = DATA_8BIT;
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break;
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case SNDRV_PCM_FORMAT_S16_LE:
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cif_conf.audio_bits = TEGRA_ACIF_BITS_16;
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cif_conf.client_bits = TEGRA_ACIF_BITS_16;
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valid_bit = DATA_16BIT;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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cif_conf.audio_bits = TEGRA_ACIF_BITS_32;
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cif_conf.client_bits = TEGRA_ACIF_BITS_32;
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valid_bit = DATA_32BIT;
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break;
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default:
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dev_err(dev, "unsupported format!\n");
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return -EOPNOTSUPP;
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}
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channels = params_channels(params);
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cif_conf.client_ch = channels;
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cif_conf.audio_ch = channels;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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path = ADMAIF_TX_PATH;
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reg = CH_TX_REG(TEGRA_ADMAIF_CH_ACIF_TX_CTRL, dai->id);
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} else {
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path = ADMAIF_RX_PATH;
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reg = CH_RX_REG(TEGRA_ADMAIF_CH_ACIF_RX_CTRL, dai->id);
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}
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cif_conf.mono_conv = admaif->mono_to_stereo[path][dai->id];
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cif_conf.stereo_conv = admaif->stereo_to_mono[path][dai->id];
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tegra_admaif_set_pack_mode(admaif->regmap, reg, valid_bit);
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tegra_set_cif(admaif->regmap, reg, &cif_conf);
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return 0;
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}
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static int tegra_admaif_start(struct snd_soc_dai *dai, int direction)
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{
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struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
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unsigned int reg, mask, val;
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switch (direction) {
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case SNDRV_PCM_STREAM_PLAYBACK:
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mask = TX_ENABLE_MASK;
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val = TX_ENABLE;
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reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
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break;
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case SNDRV_PCM_STREAM_CAPTURE:
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mask = RX_ENABLE_MASK;
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val = RX_ENABLE;
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reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
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break;
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default:
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return -EINVAL;
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}
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regmap_update_bits(admaif->regmap, reg, mask, val);
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return 0;
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}
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static int tegra_admaif_stop(struct snd_soc_dai *dai, int direction)
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{
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struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
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unsigned int enable_reg, status_reg, reset_reg, mask, val;
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char *dir_name;
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int err, enable;
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switch (direction) {
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case SNDRV_PCM_STREAM_PLAYBACK:
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mask = TX_ENABLE_MASK;
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enable = TX_ENABLE;
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dir_name = "TX";
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enable_reg = CH_TX_REG(TEGRA_ADMAIF_TX_ENABLE, dai->id);
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status_reg = CH_TX_REG(TEGRA_ADMAIF_TX_STATUS, dai->id);
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reset_reg = CH_TX_REG(TEGRA_ADMAIF_TX_SOFT_RESET, dai->id);
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break;
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case SNDRV_PCM_STREAM_CAPTURE:
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mask = RX_ENABLE_MASK;
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enable = RX_ENABLE;
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dir_name = "RX";
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enable_reg = CH_RX_REG(TEGRA_ADMAIF_RX_ENABLE, dai->id);
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status_reg = CH_RX_REG(TEGRA_ADMAIF_RX_STATUS, dai->id);
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reset_reg = CH_RX_REG(TEGRA_ADMAIF_RX_SOFT_RESET, dai->id);
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break;
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default:
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return -EINVAL;
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}
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/* Disable TX/RX channel */
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regmap_update_bits(admaif->regmap, enable_reg, mask, ~enable);
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/* Wait until ADMAIF TX/RX status is disabled */
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err = regmap_read_poll_timeout_atomic(admaif->regmap, status_reg, val,
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!(val & enable), 10, 10000);
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if (err < 0)
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dev_warn(dai->dev, "timeout: failed to disable ADMAIF%d_%s\n",
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dai->id + 1, dir_name);
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/* SW reset */
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regmap_update_bits(admaif->regmap, reset_reg, SW_RESET_MASK, SW_RESET);
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/* Wait till SW reset is complete */
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err = regmap_read_poll_timeout_atomic(admaif->regmap, reset_reg, val,
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!(val & SW_RESET_MASK & SW_RESET),
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10, 10000);
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if (err) {
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dev_err(dai->dev, "timeout: SW reset failed for ADMAIF%d_%s\n",
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dai->id + 1, dir_name);
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return err;
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}
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return 0;
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}
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static int tegra_admaif_trigger(struct snd_pcm_substream *substream, int cmd,
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struct snd_soc_dai *dai)
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{
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int err;
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err = snd_dmaengine_pcm_trigger(substream, cmd);
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if (err)
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return err;
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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case SNDRV_PCM_TRIGGER_RESUME:
|
|
return tegra_admaif_start(dai, substream->stream);
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
return tegra_admaif_stop(dai, substream->stream);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops tegra_admaif_dai_ops = {
|
|
.hw_params = tegra_admaif_hw_params,
|
|
.trigger = tegra_admaif_trigger,
|
|
};
|
|
|
|
static int tegra210_admaif_pget_mono_to_stereo(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
ucontrol->value.enumerated.item[0] =
|
|
admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra210_admaif_pput_mono_to_stereo(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
unsigned int value = ucontrol->value.enumerated.item[0];
|
|
|
|
if (value == admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg])
|
|
return 0;
|
|
|
|
admaif->mono_to_stereo[ADMAIF_TX_PATH][ec->reg] = value;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int tegra210_admaif_cget_mono_to_stereo(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
ucontrol->value.enumerated.item[0] =
|
|
admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra210_admaif_cput_mono_to_stereo(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
unsigned int value = ucontrol->value.enumerated.item[0];
|
|
|
|
if (value == admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg])
|
|
return 0;
|
|
|
|
admaif->mono_to_stereo[ADMAIF_RX_PATH][ec->reg] = value;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int tegra210_admaif_pget_stereo_to_mono(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
ucontrol->value.enumerated.item[0] =
|
|
admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra210_admaif_pput_stereo_to_mono(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
unsigned int value = ucontrol->value.enumerated.item[0];
|
|
|
|
if (value == admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg])
|
|
return 0;
|
|
|
|
admaif->stereo_to_mono[ADMAIF_TX_PATH][ec->reg] = value;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int tegra210_admaif_cget_stereo_to_mono(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
ucontrol->value.enumerated.item[0] =
|
|
admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra210_admaif_cput_stereo_to_mono(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
|
|
struct tegra_admaif *admaif = snd_soc_component_get_drvdata(cmpnt);
|
|
struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
|
|
unsigned int value = ucontrol->value.enumerated.item[0];
|
|
|
|
if (value == admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg])
|
|
return 0;
|
|
|
|
admaif->stereo_to_mono[ADMAIF_RX_PATH][ec->reg] = value;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int tegra_admaif_dai_probe(struct snd_soc_dai *dai)
|
|
{
|
|
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
|
|
|
|
dai->capture_dma_data = &admaif->capture_dma_data[dai->id];
|
|
dai->playback_dma_data = &admaif->playback_dma_data[dai->id];
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define DAI(dai_name) \
|
|
{ \
|
|
.name = dai_name, \
|
|
.probe = tegra_admaif_dai_probe, \
|
|
.playback = { \
|
|
.stream_name = dai_name " Playback", \
|
|
.channels_min = 1, \
|
|
.channels_max = 16, \
|
|
.rates = SNDRV_PCM_RATE_8000_192000, \
|
|
.formats = SNDRV_PCM_FMTBIT_S8 | \
|
|
SNDRV_PCM_FMTBIT_S16_LE | \
|
|
SNDRV_PCM_FMTBIT_S32_LE, \
|
|
}, \
|
|
.capture = { \
|
|
.stream_name = dai_name " Capture", \
|
|
.channels_min = 1, \
|
|
.channels_max = 16, \
|
|
.rates = SNDRV_PCM_RATE_8000_192000, \
|
|
.formats = SNDRV_PCM_FMTBIT_S8 | \
|
|
SNDRV_PCM_FMTBIT_S16_LE | \
|
|
SNDRV_PCM_FMTBIT_S32_LE, \
|
|
}, \
|
|
.ops = &tegra_admaif_dai_ops, \
|
|
}
|
|
|
|
static struct snd_soc_dai_driver tegra210_admaif_cmpnt_dais[] = {
|
|
DAI("ADMAIF1"),
|
|
DAI("ADMAIF2"),
|
|
DAI("ADMAIF3"),
|
|
DAI("ADMAIF4"),
|
|
DAI("ADMAIF5"),
|
|
DAI("ADMAIF6"),
|
|
DAI("ADMAIF7"),
|
|
DAI("ADMAIF8"),
|
|
DAI("ADMAIF9"),
|
|
DAI("ADMAIF10"),
|
|
};
|
|
|
|
static struct snd_soc_dai_driver tegra186_admaif_cmpnt_dais[] = {
|
|
DAI("ADMAIF1"),
|
|
DAI("ADMAIF2"),
|
|
DAI("ADMAIF3"),
|
|
DAI("ADMAIF4"),
|
|
DAI("ADMAIF5"),
|
|
DAI("ADMAIF6"),
|
|
DAI("ADMAIF7"),
|
|
DAI("ADMAIF8"),
|
|
DAI("ADMAIF9"),
|
|
DAI("ADMAIF10"),
|
|
DAI("ADMAIF11"),
|
|
DAI("ADMAIF12"),
|
|
DAI("ADMAIF13"),
|
|
DAI("ADMAIF14"),
|
|
DAI("ADMAIF15"),
|
|
DAI("ADMAIF16"),
|
|
DAI("ADMAIF17"),
|
|
DAI("ADMAIF18"),
|
|
DAI("ADMAIF19"),
|
|
DAI("ADMAIF20"),
|
|
};
|
|
|
|
static const char * const tegra_admaif_stereo_conv_text[] = {
|
|
"CH0", "CH1", "AVG",
|
|
};
|
|
|
|
static const char * const tegra_admaif_mono_conv_text[] = {
|
|
"Zero", "Copy",
|
|
};
|
|
|
|
/*
|
|
* Below macro is added to avoid looping over all ADMAIFx controls related
|
|
* to mono/stereo conversions in get()/put() callbacks.
|
|
*/
|
|
#define NV_SOC_ENUM_EXT(xname, xreg, xhandler_get, xhandler_put, xenum_text) \
|
|
{ \
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
|
|
.info = snd_soc_info_enum_double, \
|
|
.name = xname, \
|
|
.get = xhandler_get, \
|
|
.put = xhandler_put, \
|
|
.private_value = (unsigned long)&(struct soc_enum) \
|
|
SOC_ENUM_SINGLE(xreg, 0, ARRAY_SIZE(xenum_text), xenum_text) \
|
|
}
|
|
|
|
#define TEGRA_ADMAIF_CIF_CTRL(reg) \
|
|
NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Mono To Stereo", reg - 1, \
|
|
tegra210_admaif_pget_mono_to_stereo, \
|
|
tegra210_admaif_pput_mono_to_stereo, \
|
|
tegra_admaif_mono_conv_text), \
|
|
NV_SOC_ENUM_EXT("ADMAIF" #reg " Playback Stereo To Mono", reg - 1, \
|
|
tegra210_admaif_pget_stereo_to_mono, \
|
|
tegra210_admaif_pput_stereo_to_mono, \
|
|
tegra_admaif_stereo_conv_text), \
|
|
NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Mono To Stereo", reg - 1, \
|
|
tegra210_admaif_cget_mono_to_stereo, \
|
|
tegra210_admaif_cput_mono_to_stereo, \
|
|
tegra_admaif_mono_conv_text), \
|
|
NV_SOC_ENUM_EXT("ADMAIF" #reg " Capture Stereo To Mono", reg - 1, \
|
|
tegra210_admaif_cget_stereo_to_mono, \
|
|
tegra210_admaif_cput_stereo_to_mono, \
|
|
tegra_admaif_stereo_conv_text)
|
|
|
|
static struct snd_kcontrol_new tegra210_admaif_controls[] = {
|
|
TEGRA_ADMAIF_CIF_CTRL(1),
|
|
TEGRA_ADMAIF_CIF_CTRL(2),
|
|
TEGRA_ADMAIF_CIF_CTRL(3),
|
|
TEGRA_ADMAIF_CIF_CTRL(4),
|
|
TEGRA_ADMAIF_CIF_CTRL(5),
|
|
TEGRA_ADMAIF_CIF_CTRL(6),
|
|
TEGRA_ADMAIF_CIF_CTRL(7),
|
|
TEGRA_ADMAIF_CIF_CTRL(8),
|
|
TEGRA_ADMAIF_CIF_CTRL(9),
|
|
TEGRA_ADMAIF_CIF_CTRL(10),
|
|
};
|
|
|
|
static struct snd_kcontrol_new tegra186_admaif_controls[] = {
|
|
TEGRA_ADMAIF_CIF_CTRL(1),
|
|
TEGRA_ADMAIF_CIF_CTRL(2),
|
|
TEGRA_ADMAIF_CIF_CTRL(3),
|
|
TEGRA_ADMAIF_CIF_CTRL(4),
|
|
TEGRA_ADMAIF_CIF_CTRL(5),
|
|
TEGRA_ADMAIF_CIF_CTRL(6),
|
|
TEGRA_ADMAIF_CIF_CTRL(7),
|
|
TEGRA_ADMAIF_CIF_CTRL(8),
|
|
TEGRA_ADMAIF_CIF_CTRL(9),
|
|
TEGRA_ADMAIF_CIF_CTRL(10),
|
|
TEGRA_ADMAIF_CIF_CTRL(11),
|
|
TEGRA_ADMAIF_CIF_CTRL(12),
|
|
TEGRA_ADMAIF_CIF_CTRL(13),
|
|
TEGRA_ADMAIF_CIF_CTRL(14),
|
|
TEGRA_ADMAIF_CIF_CTRL(15),
|
|
TEGRA_ADMAIF_CIF_CTRL(16),
|
|
TEGRA_ADMAIF_CIF_CTRL(17),
|
|
TEGRA_ADMAIF_CIF_CTRL(18),
|
|
TEGRA_ADMAIF_CIF_CTRL(19),
|
|
TEGRA_ADMAIF_CIF_CTRL(20),
|
|
};
|
|
|
|
static const struct snd_soc_component_driver tegra210_admaif_cmpnt = {
|
|
.controls = tegra210_admaif_controls,
|
|
.num_controls = ARRAY_SIZE(tegra210_admaif_controls),
|
|
.pcm_construct = tegra_pcm_construct,
|
|
.open = tegra_pcm_open,
|
|
.close = tegra_pcm_close,
|
|
.hw_params = tegra_pcm_hw_params,
|
|
.pointer = tegra_pcm_pointer,
|
|
};
|
|
|
|
static const struct snd_soc_component_driver tegra186_admaif_cmpnt = {
|
|
.controls = tegra186_admaif_controls,
|
|
.num_controls = ARRAY_SIZE(tegra186_admaif_controls),
|
|
.pcm_construct = tegra_pcm_construct,
|
|
.open = tegra_pcm_open,
|
|
.close = tegra_pcm_close,
|
|
.hw_params = tegra_pcm_hw_params,
|
|
.pointer = tegra_pcm_pointer,
|
|
};
|
|
|
|
static const struct tegra_admaif_soc_data soc_data_tegra210 = {
|
|
.num_ch = TEGRA210_ADMAIF_CHANNEL_COUNT,
|
|
.cmpnt = &tegra210_admaif_cmpnt,
|
|
.dais = tegra210_admaif_cmpnt_dais,
|
|
.regmap_conf = &tegra210_admaif_regmap_config,
|
|
.global_base = TEGRA210_ADMAIF_GLOBAL_BASE,
|
|
.tx_base = TEGRA210_ADMAIF_TX_BASE,
|
|
.rx_base = TEGRA210_ADMAIF_RX_BASE,
|
|
};
|
|
|
|
static const struct tegra_admaif_soc_data soc_data_tegra186 = {
|
|
.num_ch = TEGRA186_ADMAIF_CHANNEL_COUNT,
|
|
.cmpnt = &tegra186_admaif_cmpnt,
|
|
.dais = tegra186_admaif_cmpnt_dais,
|
|
.regmap_conf = &tegra186_admaif_regmap_config,
|
|
.global_base = TEGRA186_ADMAIF_GLOBAL_BASE,
|
|
.tx_base = TEGRA186_ADMAIF_TX_BASE,
|
|
.rx_base = TEGRA186_ADMAIF_RX_BASE,
|
|
};
|
|
|
|
static const struct of_device_id tegra_admaif_of_match[] = {
|
|
{ .compatible = "nvidia,tegra210-admaif", .data = &soc_data_tegra210 },
|
|
{ .compatible = "nvidia,tegra186-admaif", .data = &soc_data_tegra186 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, tegra_admaif_of_match);
|
|
|
|
static int tegra_admaif_probe(struct platform_device *pdev)
|
|
{
|
|
struct tegra_admaif *admaif;
|
|
void __iomem *regs;
|
|
struct resource *res;
|
|
int err, i;
|
|
|
|
admaif = devm_kzalloc(&pdev->dev, sizeof(*admaif), GFP_KERNEL);
|
|
if (!admaif)
|
|
return -ENOMEM;
|
|
|
|
admaif->soc_data = of_device_get_match_data(&pdev->dev);
|
|
|
|
dev_set_drvdata(&pdev->dev, admaif);
|
|
|
|
admaif->capture_dma_data =
|
|
devm_kcalloc(&pdev->dev,
|
|
admaif->soc_data->num_ch,
|
|
sizeof(struct snd_dmaengine_dai_dma_data),
|
|
GFP_KERNEL);
|
|
if (!admaif->capture_dma_data)
|
|
return -ENOMEM;
|
|
|
|
admaif->playback_dma_data =
|
|
devm_kcalloc(&pdev->dev,
|
|
admaif->soc_data->num_ch,
|
|
sizeof(struct snd_dmaengine_dai_dma_data),
|
|
GFP_KERNEL);
|
|
if (!admaif->playback_dma_data)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < ADMAIF_PATHS; i++) {
|
|
admaif->mono_to_stereo[i] =
|
|
devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
|
|
sizeof(unsigned int), GFP_KERNEL);
|
|
if (!admaif->mono_to_stereo[i])
|
|
return -ENOMEM;
|
|
|
|
admaif->stereo_to_mono[i] =
|
|
devm_kcalloc(&pdev->dev, admaif->soc_data->num_ch,
|
|
sizeof(unsigned int), GFP_KERNEL);
|
|
if (!admaif->stereo_to_mono[i])
|
|
return -ENOMEM;
|
|
}
|
|
|
|
regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
|
|
if (IS_ERR(regs))
|
|
return PTR_ERR(regs);
|
|
|
|
admaif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
|
|
admaif->soc_data->regmap_conf);
|
|
if (IS_ERR(admaif->regmap)) {
|
|
dev_err(&pdev->dev, "regmap init failed\n");
|
|
return PTR_ERR(admaif->regmap);
|
|
}
|
|
|
|
regcache_cache_only(admaif->regmap, true);
|
|
|
|
regmap_update_bits(admaif->regmap, admaif->soc_data->global_base +
|
|
TEGRA_ADMAIF_GLOBAL_ENABLE, 1, 1);
|
|
|
|
for (i = 0; i < admaif->soc_data->num_ch; i++) {
|
|
admaif->playback_dma_data[i].addr = res->start +
|
|
CH_TX_REG(TEGRA_ADMAIF_TX_FIFO_WRITE, i);
|
|
|
|
admaif->capture_dma_data[i].addr = res->start +
|
|
CH_RX_REG(TEGRA_ADMAIF_RX_FIFO_READ, i);
|
|
|
|
admaif->playback_dma_data[i].addr_width = 32;
|
|
|
|
if (of_property_read_string_index(pdev->dev.of_node,
|
|
"dma-names", (i * 2) + 1,
|
|
&admaif->playback_dma_data[i].chan_name) < 0) {
|
|
dev_err(&pdev->dev,
|
|
"missing property nvidia,dma-names\n");
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
admaif->capture_dma_data[i].addr_width = 32;
|
|
|
|
if (of_property_read_string_index(pdev->dev.of_node,
|
|
"dma-names",
|
|
(i * 2),
|
|
&admaif->capture_dma_data[i].chan_name) < 0) {
|
|
dev_err(&pdev->dev,
|
|
"missing property nvidia,dma-names\n");
|
|
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
err = devm_snd_soc_register_component(&pdev->dev,
|
|
admaif->soc_data->cmpnt,
|
|
admaif->soc_data->dais,
|
|
admaif->soc_data->num_ch);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"can't register ADMAIF component, err: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
pm_runtime_enable(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra_admaif_remove(struct platform_device *pdev)
|
|
{
|
|
pm_runtime_disable(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops tegra_admaif_pm_ops = {
|
|
SET_RUNTIME_PM_OPS(tegra_admaif_runtime_suspend,
|
|
tegra_admaif_runtime_resume, NULL)
|
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
|
|
pm_runtime_force_resume)
|
|
};
|
|
|
|
static struct platform_driver tegra_admaif_driver = {
|
|
.probe = tegra_admaif_probe,
|
|
.remove = tegra_admaif_remove,
|
|
.driver = {
|
|
.name = "tegra210-admaif",
|
|
.of_match_table = tegra_admaif_of_match,
|
|
.pm = &tegra_admaif_pm_ops,
|
|
},
|
|
};
|
|
module_platform_driver(tegra_admaif_driver);
|
|
|
|
MODULE_AUTHOR("Songhee Baek <sbaek@nvidia.com>");
|
|
MODULE_DESCRIPTION("Tegra210 ASoC ADMAIF driver");
|
|
MODULE_LICENSE("GPL v2");
|